diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-24 14:56:52 (GMT) |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-24 14:56:52 (GMT) |
| commit | 4cc4d24efce4672f9b0e7fa27963770ae602998f (patch) | |
| tree | e69e7209db5500164eedb82c46ea657499b72287 /drivers | |
| parent | b81a618dcd3ea99de292dbe624f41ca68f464376 (diff) | |
| parent | 56be1416453c31d32f984328b5193489ab63ffcf (diff) | |
| download | linux-4cc4d24efce4672f9b0e7fa27963770ae602998f.tar.xz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/fbdev-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/fbdev-2.6: (140 commits)
MAINTAINERS: de-orphan fbdev.
MAINTAINERS: Add file pattern for fb dt bindings.
video: Move sm501fb devicetree binding documentation to a better place.
fbcon: fix situation where fbcon gets deinitialised and can't reinit.
video, sm501: add OF binding to support SM501
video, sm501: add edid and commandline support
video, sm501: add I/O functions for use on powerpc
video: Fix EDID macros H_SYNC_WIDTH and H_SYNC_OFFSET
fbcon: Bugfix soft cursor detection in Tile Blitting
video: add missing framebuffer_release in error path
video: metronomefb: add __devexit_p around reference to metronomefb_remove
video: hecubafb: add __devexit_p around reference to hecubafb_remove
drivers:video:aty:radeon_base Fix typo occationally to occasionally
atmel_lcdfb: add fb_blank function
atmel_lcdfb: implement inverted contrast pwm
video: s3c-fb: return proper error if clk_get fails
uvesafb,vesafb: create WC or WB PAT-entries
video: ffb: fix ffb_probe error path
radeonfb: Let hwmon driver probe the "monid" I2C bus
fbdev: sh_mobile_lcdc: checking NULL instead of IS_ERR()
...
Diffstat (limited to 'drivers')
58 files changed, 5614 insertions, 1884 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c index 66c9af1..41a5d48 100644 --- a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c +++ b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c @@ -889,7 +889,7 @@ static void radeon_set_pll(struct drm_crtc *crtc, struct drm_display_mode *mode) } if (rdev->flags & RADEON_IS_MOBILITY) { - /* A temporal workaround for the occational blanking on certain laptop panels. + /* A temporal workaround for the occasional blanking on certain laptop panels. This appears to related to the PLL divider registers (fail to lock?). It occurs even when all dividers are the same with their old settings. In this case we really don't need to fiddle with PLL registers. diff --git a/drivers/mfd/sm501.c b/drivers/mfd/sm501.c index 5de3a76..df3702c 100644 --- a/drivers/mfd/sm501.c +++ b/drivers/mfd/sm501.c @@ -133,10 +133,10 @@ static unsigned long decode_div(unsigned long pll2, unsigned long val, static void sm501_dump_clk(struct sm501_devdata *sm) { - unsigned long misct = readl(sm->regs + SM501_MISC_TIMING); - unsigned long pm0 = readl(sm->regs + SM501_POWER_MODE_0_CLOCK); - unsigned long pm1 = readl(sm->regs + SM501_POWER_MODE_1_CLOCK); - unsigned long pmc = readl(sm->regs + SM501_POWER_MODE_CONTROL); + unsigned long misct = smc501_readl(sm->regs + SM501_MISC_TIMING); + unsigned long pm0 = smc501_readl(sm->regs + SM501_POWER_MODE_0_CLOCK); + unsigned long pm1 = smc501_readl(sm->regs + SM501_POWER_MODE_1_CLOCK); + unsigned long pmc = smc501_readl(sm->regs + SM501_POWER_MODE_CONTROL); unsigned long sdclk0, sdclk1; unsigned long pll2 = 0; @@ -193,29 +193,29 @@ static void sm501_dump_regs(struct sm501_devdata *sm) void __iomem *regs = sm->regs; dev_info(sm->dev, "System Control %08x\n", - readl(regs + SM501_SYSTEM_CONTROL)); + smc501_readl(regs + SM501_SYSTEM_CONTROL)); dev_info(sm->dev, "Misc Control %08x\n", - readl(regs + SM501_MISC_CONTROL)); + smc501_readl(regs + SM501_MISC_CONTROL)); dev_info(sm->dev, "GPIO Control Low %08x\n", - readl(regs + SM501_GPIO31_0_CONTROL)); + smc501_readl(regs + SM501_GPIO31_0_CONTROL)); dev_info(sm->dev, "GPIO Control Hi %08x\n", - readl(regs + SM501_GPIO63_32_CONTROL)); + smc501_readl(regs + SM501_GPIO63_32_CONTROL)); dev_info(sm->dev, "DRAM Control %08x\n", - readl(regs + SM501_DRAM_CONTROL)); + smc501_readl(regs + SM501_DRAM_CONTROL)); dev_info(sm->dev, "Arbitration Ctrl %08x\n", - readl(regs + SM501_ARBTRTN_CONTROL)); + smc501_readl(regs + SM501_ARBTRTN_CONTROL)); dev_info(sm->dev, "Misc Timing %08x\n", - readl(regs + SM501_MISC_TIMING)); + smc501_readl(regs + SM501_MISC_TIMING)); } static void sm501_dump_gate(struct sm501_devdata *sm) { dev_info(sm->dev, "CurrentGate %08x\n", - readl(sm->regs + SM501_CURRENT_GATE)); + smc501_readl(sm->regs + SM501_CURRENT_GATE)); dev_info(sm->dev, "CurrentClock %08x\n", - readl(sm->regs + SM501_CURRENT_CLOCK)); + smc501_readl(sm->regs + SM501_CURRENT_CLOCK)); dev_info(sm->dev, "PowerModeControl %08x\n", - readl(sm->regs + SM501_POWER_MODE_CONTROL)); + smc501_readl(sm->regs + SM501_POWER_MODE_CONTROL)); } #else @@ -231,7 +231,7 @@ static inline void sm501_dump_clk(struct sm501_devdata *sm) { } static void sm501_sync_regs(struct sm501_devdata *sm) { - readl(sm->regs); + smc501_readl(sm->regs); } static inline void sm501_mdelay(struct sm501_devdata *sm, unsigned int delay) @@ -261,11 +261,11 @@ int sm501_misc_control(struct device *dev, spin_lock_irqsave(&sm->reg_lock, save); - misc = readl(sm->regs + SM501_MISC_CONTROL); + misc = smc501_readl(sm->regs + SM501_MISC_CONTROL); to = (misc & ~clear) | set; if (to != misc) { - writel(to, sm->regs + SM501_MISC_CONTROL); + smc501_writel(to, sm->regs + SM501_MISC_CONTROL); sm501_sync_regs(sm); dev_dbg(sm->dev, "MISC_CONTROL %08lx\n", misc); @@ -294,11 +294,11 @@ unsigned long sm501_modify_reg(struct device *dev, spin_lock_irqsave(&sm->reg_lock, save); - data = readl(sm->regs + reg); + data = smc501_readl(sm->regs + reg); data |= set; data &= ~clear; - writel(data, sm->regs + reg); + smc501_writel(data, sm->regs + reg); sm501_sync_regs(sm); spin_unlock_irqrestore(&sm->reg_lock, save); @@ -322,9 +322,9 @@ int sm501_unit_power(struct device *dev, unsigned int unit, unsigned int to) mutex_lock(&sm->clock_lock); - mode = readl(sm->regs + SM501_POWER_MODE_CONTROL); - gate = readl(sm->regs + SM501_CURRENT_GATE); - clock = readl(sm->regs + SM501_CURRENT_CLOCK); + mode = smc501_readl(sm->regs + SM501_POWER_MODE_CONTROL); + gate = smc501_readl(sm->regs + SM501_CURRENT_GATE); + clock = smc501_readl(sm->regs + SM501_CURRENT_CLOCK); mode &= 3; /* get current power mode */ @@ -356,14 +356,14 @@ int sm501_unit_power(struct device *dev, unsigned int unit, unsigned int to) switch (mode) { case 1: - writel(gate, sm->regs + SM501_POWER_MODE_0_GATE); - writel(clock, sm->regs + SM501_POWER_MODE_0_CLOCK); + smc501_writel(gate, sm->regs + SM501_POWER_MODE_0_GATE); + smc501_writel(clock, sm->regs + SM501_POWER_MODE_0_CLOCK); mode = 0; break; case 2: case 0: - writel(gate, sm->regs + SM501_POWER_MODE_1_GATE); - writel(clock, sm->regs + SM501_POWER_MODE_1_CLOCK); + smc501_writel(gate, sm->regs + SM501_POWER_MODE_1_GATE); + smc501_writel(clock, sm->regs + SM501_POWER_MODE_1_CLOCK); mode = 1; break; @@ -372,7 +372,7 @@ int sm501_unit_power(struct device *dev, unsigned int unit, unsigned int to) goto already; } - writel(mode, sm->regs + SM501_POWER_MODE_CONTROL); + smc501_writel(mode, sm->regs + SM501_POWER_MODE_CONTROL); sm501_sync_regs(sm); dev_dbg(sm->dev, "gate %08lx, clock %08lx, mode %08lx\n", @@ -519,9 +519,9 @@ unsigned long sm501_set_clock(struct device *dev, unsigned long req_freq) { struct sm501_devdata *sm = dev_get_drvdata(dev); - unsigned long mode = readl(sm->regs + SM501_POWER_MODE_CONTROL); - unsigned long gate = readl(sm->regs + SM501_CURRENT_GATE); - unsigned long clock = readl(sm->regs + SM501_CURRENT_CLOCK); + unsigned long mode = smc501_readl(sm->regs + SM501_POWER_MODE_CONTROL); + unsigned long gate = smc501_readl(sm->regs + SM501_CURRENT_GATE); + unsigned long clock = smc501_readl(sm->regs + SM501_CURRENT_CLOCK); unsigned char reg; unsigned int pll_reg = 0; unsigned long sm501_freq; /* the actual frequency achieved */ @@ -592,9 +592,9 @@ unsigned long sm501_set_clock(struct device *dev, mutex_lock(&sm->clock_lock); - mode = readl(sm->regs + SM501_POWER_MODE_CONTROL); - gate = readl(sm->regs + SM501_CURRENT_GATE); - clock = readl(sm->regs + SM501_CURRENT_CLOCK); + mode = smc501_readl(sm->regs + SM501_POWER_MODE_CONTROL); + gate = smc501_readl(sm->regs + SM501_CURRENT_GATE); + clock = smc501_readl(sm->regs + SM501_CURRENT_CLOCK); clock = clock & ~(0xFF << clksrc); clock |= reg<<clksrc; @@ -603,14 +603,14 @@ unsigned long sm501_set_clock(struct device *dev, switch (mode) { case 1: - writel(gate, sm->regs + SM501_POWER_MODE_0_GATE); - writel(clock, sm->regs + SM501_POWER_MODE_0_CLOCK); + smc501_writel(gate, sm->regs + SM501_POWER_MODE_0_GATE); + smc501_writel(clock, sm->regs + SM501_POWER_MODE_0_CLOCK); mode = 0; break; case 2: case 0: - writel(gate, sm->regs + SM501_POWER_MODE_1_GATE); - writel(clock, sm->regs + SM501_POWER_MODE_1_CLOCK); + smc501_writel(gate, sm->regs + SM501_POWER_MODE_1_GATE); + smc501_writel(clock, sm->regs + SM501_POWER_MODE_1_CLOCK); mode = 1; break; @@ -619,10 +619,11 @@ unsigned long sm501_set_clock(struct device *dev, return -1; } - writel(mode, sm->regs + SM501_POWER_MODE_CONTROL); + smc501_writel(mode, sm->regs + SM501_POWER_MODE_CONTROL); if (pll_reg) - writel(pll_reg, sm->regs + SM501_PROGRAMMABLE_PLL_CONTROL); + smc501_writel(pll_reg, + sm->regs + SM501_PROGRAMMABLE_PLL_CONTROL); sm501_sync_regs(sm); @@ -902,7 +903,7 @@ static int sm501_gpio_get(struct gpio_chip *chip, unsigned offset) struct sm501_gpio_chip *smgpio = to_sm501_gpio(chip); unsigned long result; - result = readl(smgpio->regbase + SM501_GPIO_DATA_LOW); + result = smc501_readl(smgpio->regbase + SM501_GPIO_DATA_LOW); result >>= offset; return result & 1UL; @@ -915,13 +916,13 @@ static void sm501_gpio_ensure_gpio(struct sm501_gpio_chip *smchip, /* check and modify if this pin is not set as gpio. */ - if (readl(smchip->control) & bit) { + if (smc501_readl(smchip->control) & bit) { dev_info(sm501_gpio_to_dev(smchip->ourgpio)->dev, "changing mode of gpio, bit %08lx\n", bit); - ctrl = readl(smchip->control); + ctrl = smc501_readl(smchip->control); ctrl &= ~bit; - writel(ctrl, smchip->control); + smc501_writel(ctrl, smchip->control); sm501_sync_regs(sm501_gpio_to_dev(smchip->ourgpio)); } @@ -942,10 +943,10 @@ static void sm501_gpio_set(struct gpio_chip *chip, unsigned offset, int value) spin_lock_irqsave(&smgpio->lock, save); - val = readl(regs + SM501_GPIO_DATA_LOW) & ~bit; + val = smc501_readl(regs + SM501_GPIO_DATA_LOW) & ~bit; if (value) val |= bit; - writel(val, regs); + smc501_writel(val, regs); sm501_sync_regs(sm501_gpio_to_dev(smgpio)); sm501_gpio_ensure_gpio(smchip, bit); @@ -967,8 +968,8 @@ static int sm501_gpio_input(struct gpio_chip *chip, unsigned offset) spin_lock_irqsave(&smgpio->lock, save); - ddr = readl(regs + SM501_GPIO_DDR_LOW); - writel(ddr & ~bit, regs + SM501_GPIO_DDR_LOW); + ddr = smc501_readl(regs + SM501_GPIO_DDR_LOW); + smc501_writel(ddr & ~bit, regs + SM501_GPIO_DDR_LOW); sm501_sync_regs(sm501_gpio_to_dev(smgpio)); sm501_gpio_ensure_gpio(smchip, bit); @@ -994,18 +995,18 @@ static int sm501_gpio_output(struct gpio_chip *chip, spin_lock_irqsave(&smgpio->lock, save); - val = readl(regs + SM501_GPIO_DATA_LOW); + val = smc501_readl(regs + SM501_GPIO_DATA_LOW); if (value) val |= bit; else val &= ~bit; - writel(val, regs); + smc501_writel(val, regs); - ddr = readl(regs + SM501_GPIO_DDR_LOW); - writel(ddr | bit, regs + SM501_GPIO_DDR_LOW); + ddr = smc501_readl(regs + SM501_GPIO_DDR_LOW); + smc501_writel(ddr | bit, regs + SM501_GPIO_DDR_LOW); sm501_sync_regs(sm501_gpio_to_dev(smgpio)); - writel(val, regs + SM501_GPIO_DATA_LOW); + smc501_writel(val, regs + SM501_GPIO_DATA_LOW); sm501_sync_regs(sm501_gpio_to_dev(smgpio)); spin_unlock_irqrestore(&smgpio->lock, save); @@ -1231,7 +1232,7 @@ static ssize_t sm501_dbg_regs(struct device *dev, for (reg = 0x00; reg < 0x70; reg += 4) { ret = sprintf(ptr, "%08x = %08x\n", - reg, readl(sm->regs + reg)); + reg, smc501_readl(sm->regs + reg)); ptr += ret; } @@ -1255,10 +1256,10 @@ static inline void sm501_init_reg(struct sm501_devdata *sm, { unsigned long tmp; - tmp = readl(sm->regs + reg); + tmp = smc501_readl(sm->regs + reg); tmp &= ~r->mask; tmp |= r->set; - writel(tmp, sm->regs + reg); + smc501_writel(tmp, sm->regs + reg); } /* sm501_init_regs @@ -1299,7 +1300,7 @@ static void sm501_init_regs(struct sm501_devdata *sm, static int sm501_check_clocks(struct sm501_devdata *sm) { - unsigned long pwrmode = readl(sm->regs + SM501_CURRENT_CLOCK); + unsigned long pwrmode = smc501_readl(sm->regs + SM501_CURRENT_CLOCK); unsigned long msrc = (pwrmode & SM501_POWERMODE_M_SRC); unsigned long m1src = (pwrmode & SM501_POWERMODE_M1_SRC); @@ -1334,7 +1335,7 @@ static int __devinit sm501_init_dev(struct sm501_devdata *sm) INIT_LIST_HEAD(&sm->devices); - devid = readl(sm->regs + SM501_DEVICEID); + devid = smc501_readl(sm->regs + SM501_DEVICEID); if ((devid & SM501_DEVICEID_IDMASK) != SM501_DEVICEID_SM501) { dev_err(sm->dev, "incorrect device id %08lx\n", devid); @@ -1342,9 +1343,9 @@ static int __devinit sm501_init_dev(struct sm501_devdata *sm) } /* disable irqs */ - writel(0, sm->regs + SM501_IRQ_MASK); + smc501_writel(0, sm->regs + SM501_IRQ_MASK); - dramctrl = readl(sm->regs + SM501_DRAM_CONTROL); + dramctrl = smc501_readl(sm->regs + SM501_DRAM_CONTROL); mem_avail = sm501_mem_local[(dramctrl >> 13) & 0x7]; dev_info(sm->dev, "SM501 At %p: Version %08lx, %ld Mb, IRQ %d\n", @@ -1376,7 +1377,7 @@ static int __devinit sm501_init_dev(struct sm501_devdata *sm) sm501_register_gpio(sm); } - if (pdata->gpio_i2c != NULL && pdata->gpio_i2c_nr > 0) { + if (pdata && pdata->gpio_i2c != NULL && pdata->gpio_i2c_nr > 0) { if (!sm501_gpio_isregistered(sm)) dev_err(sm->dev, "no gpio available for i2c gpio.\n"); else @@ -1421,6 +1422,7 @@ static int __devinit sm501_plat_probe(struct platform_device *dev) sm->io_res = platform_get_resource(dev, IORESOURCE_MEM, 1); sm->mem_res = platform_get_resource(dev, IORESOURCE_MEM, 0); + if (sm->io_res == NULL || sm->mem_res == NULL) { dev_err(&dev->dev, "failed to get IO resource\n"); ret = -ENOENT; @@ -1489,7 +1491,7 @@ static int sm501_plat_suspend(struct platform_device *pdev, pm_message_t state) struct sm501_devdata *sm = platform_get_drvdata(pdev); sm->in_suspend = 1; - sm->pm_misc = readl(sm->regs + SM501_MISC_CONTROL); + sm->pm_misc = smc501_readl(sm->regs + SM501_MISC_CONTROL); sm501_dump_regs(sm); @@ -1513,9 +1515,9 @@ static int sm501_plat_resume(struct platform_device *pdev) /* check to see if we are in the same state as when suspended */ - if (readl(sm->regs + SM501_MISC_CONTROL) != sm->pm_misc) { + if (smc501_readl(sm->regs + SM501_MISC_CONTROL) != sm->pm_misc) { dev_info(sm->dev, "SM501_MISC_CONTROL changed over sleep\n"); - writel(sm->pm_misc, sm->regs + SM501_MISC_CONTROL); + smc501_writel(sm->pm_misc, sm->regs + SM501_MISC_CONTROL); /* our suspend causes the controller state to change, * either by something attempting setup, power loss, @@ -1734,10 +1736,16 @@ static struct pci_driver sm501_pci_driver = { MODULE_ALIAS("platform:sm501"); +static struct of_device_id __devinitdata of_sm501_match_tbl[] = { + { .compatible = "smi,sm501", }, + { /* end */ } +}; + static struct platform_driver sm501_plat_driver = { .driver = { .name = "sm501", .owner = THIS_MODULE, + .of_match_table = of_sm501_match_tbl, }, .probe = sm501_plat_probe, .remove = sm501_plat_remove, diff --git a/drivers/video/arkfb.c b/drivers/video/arkfb.c index 391ac93..8686429 100644 --- a/drivers/video/arkfb.c +++ b/drivers/video/arkfb.c @@ -158,12 +158,19 @@ static void arkfb_settile(struct fb_info *info, struct fb_tilemap *map) } } +static void arkfb_tilecursor(struct fb_info *info, struct fb_tilecursor *cursor) +{ + struct arkfb_info *par = info->par; + + svga_tilecursor(par->state.vgabase, info, cursor); +} + static struct fb_tile_ops arkfb_tile_ops = { .fb_settile = arkfb_settile, .fb_tilecopy = svga_tilecopy, .fb_tilefill = svga_tilefill, .fb_tileblit = svga_tileblit, - .fb_tilecursor = svga_tilecursor, + .fb_tilecursor = arkfb_tilecursor, .fb_get_tilemax = svga_get_tilemax, }; @@ -466,32 +473,40 @@ static unsigned short dac_regs[4] = {0x3c8, 0x3c9, 0x3c6, 0x3c7}; static void ark_dac_read_regs(void *data, u8 *code, int count) { - u8 regval = vga_rseq(NULL, 0x1C); + struct fb_info *info = data; + struct arkfb_info *par; + u8 regval; + par = info->par; + regval = vga_rseq(par->state.vgabase, 0x1C); while (count != 0) { - vga_wseq(NULL, 0x1C, regval | (code[0] & 4 ? 0x80 : 0)); - code[1] = vga_r(NULL, dac_regs[code[0] & 3]); + vga_wseq(par->state.vgabase, 0x1C, regval | (code[0] & 4 ? 0x80 : 0)); + code[1] = vga_r(par->state.vgabase, dac_regs[code[0] & 3]); count--; code += 2; } - vga_wseq(NULL, 0x1C, regval); + vga_wseq(par->state.vgabase, 0x1C, regval); } static void ark_dac_write_regs(void *data, u8 *code, int count) { - u8 regval = vga_rseq(NULL, 0x1C); + struct fb_info *info = data; + struct arkfb_info *par; + u8 regval; + par = info->par; + regval = vga_rseq(par->state.vgabase, 0x1C); while (count != 0) { - vga_wseq(NULL, 0x1C, regval | (code[0] & 4 ? 0x80 : 0)); - vga_w(NULL, dac_regs[code[0] & 3], code[1]); + vga_wseq(par->state.vgabase, 0x1C, regval | (code[0] & 4 ? 0x80 : 0)); + vga_w(par->state.vgabase, dac_regs[code[0] & 3], code[1]); count--; code += 2; } - vga_wseq(NULL, 0x1C, regval); + vga_wseq(par->state.vgabase, 0x1C, regval); } @@ -507,8 +522,8 @@ static void ark_set_pixclock(struct fb_info *info, u32 pixclock) } /* Set VGA misc register */ - regval = vga_r(NULL, VGA_MIS_R); - vga_w(NULL, VGA_MIS_W, regval | VGA_MIS_ENB_PLL_LOAD); + regval = vga_r(par->state.vgabase, VGA_MIS_R); + vga_w(par->state.vgabase, VGA_MIS_W, regval | VGA_MIS_ENB_PLL_LOAD); } @@ -520,7 +535,10 @@ static int arkfb_open(struct fb_info *info, int user) mutex_lock(&(par->open_lock)); if (par->ref_count == 0) { + void __iomem *vgabase = par->state.vgabase; + memset(&(par->state), 0, sizeof(struct vgastate)); + par->state.vgabase = vgabase; par->state.flags = VGA_SAVE_MODE | VGA_SAVE_FONTS | VGA_SAVE_CMAP; par->state.num_crtc = 0x60; par->state.num_seq = 0x30; @@ -646,50 +664,50 @@ static int arkfb_set_par(struct fb_info *info) info->var.activate = FB_ACTIVATE_NOW; /* Unlock registers */ - svga_wcrt_mask(0x11, 0x00, 0x80); + svga_wcrt_mask(par->state.vgabase, 0x11, 0x00, 0x80); /* Blank screen and turn off sync */ - svga_wseq_mask(0x01, 0x20, 0x20); - svga_wcrt_mask(0x17, 0x00, 0x80); + svga_wseq_mask(par->state.vgabase, 0x01, 0x20, 0x20); + svga_wcrt_mask(par->state.vgabase, 0x17, 0x00, 0x80); /* Set default values */ - svga_set_default_gfx_regs(); - svga_set_default_atc_regs(); - svga_set_default_seq_regs(); - svga_set_default_crt_regs(); - svga_wcrt_multi(ark_line_compare_regs, 0xFFFFFFFF); - svga_wcrt_multi(ark_start_address_regs, 0); + svga_set_default_gfx_regs(par->state.vgabase); + svga_set_default_atc_regs(par->state.vgabase); + svga_set_default_seq_regs(par->state.vgabase); + svga_set_default_crt_regs(par->state.vgabase); + svga_wcrt_multi(par->state.vgabase, ark_line_compare_regs, 0xFFFFFFFF); + svga_wcrt_multi(par->state.vgabase, ark_start_address_regs, 0); /* ARK specific initialization */ - svga_wseq_mask(0x10, 0x1F, 0x1F); /* enable linear framebuffer and full memory access */ - svga_wseq_mask(0x12, 0x03, 0x03); /* 4 MB linear framebuffer size */ + svga_wseq_mask(par->state.vgabase, 0x10, 0x1F, 0x1F); /* enable linear framebuffer and full memory access */ + svga_wseq_mask(par->state.vgabase, 0x12, 0x03, 0x03); /* 4 MB linear framebuffer size */ - vga_wseq(NULL, 0x13, info->fix.smem_start >> 16); - vga_wseq(NULL, 0x14, info->fix.smem_start >> 24); - vga_wseq(NULL, 0x15, 0); - vga_wseq(NULL, 0x16, 0); + vga_wseq(par->state.vgabase, 0x13, info->fix.smem_start >> 16); + vga_wseq(par->state.vgabase, 0x14, info->fix.smem_start >> 24); + vga_wseq(par->state.vgabase, 0x15, 0); + vga_wseq(par->state.vgabase, 0x16, 0); /* Set the FIFO threshold register */ /* It is fascinating way to store 5-bit value in 8-bit register */ regval = 0x10 | ((threshold & 0x0E) >> 1) | (threshold & 0x01) << 7 | (threshold & 0x10) << 1; - vga_wseq(NULL, 0x18, regval); + vga_wseq(par->state.vgabase, 0x18, regval); /* Set the offset register */ pr_debug("fb%d: offset register : %d\n", info->node, offset_value); - svga_wcrt_multi(ark_offset_regs, offset_value); + svga_wcrt_multi(par->state.vgabase, ark_offset_regs, offset_value); /* fix for hi-res textmode */ - svga_wcrt_mask(0x40, 0x08, 0x08); + svga_wcrt_mask(par->state.vgabase, 0x40, 0x08, 0x08); if (info->var.vmode & FB_VMODE_DOUBLE) - svga_wcrt_mask(0x09, 0x80, 0x80); + svga_wcrt_mask(par->state.vgabase, 0x09, 0x80, 0x80); else - svga_wcrt_mask(0x09, 0x00, 0x80); + svga_wcrt_mask(par->state.vgabase, 0x09, 0x00, 0x80); if (info->var.vmode & FB_VMODE_INTERLACED) - svga_wcrt_mask(0x44, 0x04, 0x04); + svga_wcrt_mask(par->state.vgabase, 0x44, 0x04, 0x04); else - svga_wcrt_mask(0x44, 0x00, 0x04); + svga_wcrt_mask(par->state.vgabase, 0x44, 0x00, 0x04); hmul = 1; hdiv = 1; @@ -699,40 +717,40 @@ static int arkfb_set_par(struct fb_info *info) switch (mode) { case 0: pr_debug("fb%d: text mode\n", info->node); - svga_set_textmode_vga_regs(); + svga_set_textmode_vga_regs(par->state.vgabase); - vga_wseq(NULL, 0x11, 0x10); /* basic VGA mode */ - svga_wcrt_mask(0x46, 0x00, 0x04); /* 8bit pixel path */ + vga_wseq(par->state.vgabase, 0x11, 0x10); /* basic VGA mode */ + svga_wcrt_mask(par->state.vgabase, 0x46, 0x00, 0x04); /* 8bit pixel path */ dac_set_mode(par->dac, DAC_PSEUDO8_8); break; case 1: pr_debug("fb%d: 4 bit pseudocolor\n", info->node); - vga_wgfx(NULL, VGA_GFX_MODE, 0x40); + vga_wgfx(par->state.vgabase, VGA_GFX_MODE, 0x40); - vga_wseq(NULL, 0x11, 0x10); /* basic VGA mode */ - svga_wcrt_mask(0x46, 0x00, 0x04); /* 8bit pixel path */ + vga_wseq(par->state.vgabase, 0x11, 0x10); /* basic VGA mode */ + svga_wcrt_mask(par->state.vgabase, 0x46, 0x00, 0x04); /* 8bit pixel path */ dac_set_mode(par->dac, DAC_PSEUDO8_8); break; case 2: pr_debug("fb%d: 4 bit pseudocolor, planar\n", info->node); - vga_wseq(NULL, 0x11, 0x10); /* basic VGA mode */ - svga_wcrt_mask(0x46, 0x00, 0x04); /* 8bit pixel path */ + vga_wseq(par->state.vgabase, 0x11, 0x10); /* basic VGA mode */ + svga_wcrt_mask(par->state.vgabase, 0x46, 0x00, 0x04); /* 8bit pixel path */ dac_set_mode(par->dac, DAC_PSEUDO8_8); break; case 3: pr_debug("fb%d: 8 bit pseudocolor\n", info->node); - vga_wseq(NULL, 0x11, 0x16); /* 8bpp accel mode */ + vga_wseq(par->state.vgabase, 0x11, 0x16); /* 8bpp accel mode */ if (info->var.pixclock > 20000) { pr_debug("fb%d: not using multiplex\n", info->node); - svga_wcrt_mask(0x46, 0x00, 0x04); /* 8bit pixel path */ + svga_wcrt_mask(par->state.vgabase, 0x46, 0x00, 0x04); /* 8bit pixel path */ dac_set_mode(par->dac, DAC_PSEUDO8_8); } else { pr_debug("fb%d: using multiplex\n", info->node); - svga_wcrt_mask(0x46, 0x04, 0x04); /* 16bit pixel path */ + svga_wcrt_mask(par->state.vgabase, 0x46, 0x04, 0x04); /* 16bit pixel path */ dac_set_mode(par->dac, DAC_PSEUDO8_16); hdiv = 2; } @@ -740,22 +758,22 @@ static int arkfb_set_par(struct fb_info *info) case 4: pr_debug("fb%d: 5/5/5 truecolor\n", info->node); - vga_wseq(NULL, 0x11, 0x1A); /* 16bpp accel mode */ - svga_wcrt_mask(0x46, 0x04, 0x04); /* 16bit pixel path */ + vga_wseq(par->state.vgabase, 0x11, 0x1A); /* 16bpp accel mode */ + svga_wcrt_mask(par->state.vgabase, 0x46, 0x04, 0x04); /* 16bit pixel path */ dac_set_mode(par->dac, DAC_RGB1555_16); break; case 5: pr_debug("fb%d: 5/6/5 truecolor\n", info->node); - vga_wseq(NULL, 0x11, 0x1A); /* 16bpp accel mode */ - svga_wcrt_mask(0x46, 0x04, 0x04); /* 16bit pixel path */ + vga_wseq(par->state.vgabase, 0x11, 0x1A); /* 16bpp accel mode */ + svga_wcrt_mask(par->state.vgabase, 0x46, 0x04, 0x04); /* 16bit pixel path */ dac_set_mode(par->dac, DAC_RGB0565_16); break; case 6: pr_debug("fb%d: 8/8/8 truecolor\n", info->node); - vga_wseq(NULL, 0x11, 0x16); /* 8bpp accel mode ??? */ - svga_wcrt_mask(0x46, 0x04, 0x04); /* 16bit pixel path */ + vga_wseq(par->state.vgabase, 0x11, 0x16); /* 8bpp accel mode ??? */ + svga_wcrt_mask(par->state.vgabase, 0x46, 0x04, 0x04); /* 16bit pixel path */ dac_set_mode(par->dac, DAC_RGB0888_16); hmul = 3; hdiv = 2; @@ -763,8 +781,8 @@ static int arkfb_set_par(struct fb_info *info) case 7: pr_debug("fb%d: 8/8/8/8 truecolor\n", info->node); - vga_wseq(NULL, 0x11, 0x1E); /* 32bpp accel mode */ - svga_wcrt_mask(0x46, 0x04, 0x04); /* 16bit pixel path */ + vga_wseq(par->state.vgabase, 0x11, 0x1E); /* 32bpp accel mode */ + svga_wcrt_mask(par->state.vgabase, 0x46, 0x04, 0x04); /* 16bit pixel path */ dac_set_mode(par->dac, DAC_RGB8888_16); hmul = 2; break; @@ -774,7 +792,7 @@ static int arkfb_set_par(struct fb_info *info) } ark_set_pixclock(info, (hdiv * info->var.pixclock) / hmul); - svga_set_timings(&ark_timing_regs, &(info->var), hmul, hdiv, + svga_set_timings(par->state.vgabase, &ark_timing_regs, &(info->var), hmul, hdiv, (info->var.vmode & FB_VMODE_DOUBLE) ? 2 : 1, (info->var.vmode & FB_VMODE_INTERLACED) ? 2 : 1, hmul, info->node); @@ -782,12 +800,12 @@ static int arkfb_set_par(struct fb_info *info) /* Set interlaced mode start/end register */ value = info->var.xres + info->var.left_margin + info->var.right_margin + info->var.hsync_len; value = ((value * hmul / hdiv) / 8) - 5; - vga_wcrt(NULL, 0x42, (value + 1) / 2); + vga_wcrt(par->state.vgabase, 0x42, (value + 1) / 2); memset_io(info->screen_base, 0x00, screen_size); /* Device and screen back on */ - svga_wcrt_mask(0x17, 0x80, 0x80); - svga_wseq_mask(0x01, 0x00, 0x20); + svga_wcrt_mask(par->state.vgabase, 0x17, 0x80, 0x80); + svga_wseq_mask(par->state.vgabase, 0x01, 0x00, 0x20); return 0; } @@ -857,23 +875,25 @@ static int arkfb_setcolreg(u_int regno, u_int red, u_int green, u_int blue, static int arkfb_blank(int blank_mode, struct fb_info *info) { + struct arkfb_info *par = info->par; + switch (blank_mode) { case FB_BLANK_UNBLANK: pr_debug("fb%d: unblank\n", info->node); - svga_wseq_mask(0x01, 0x00, 0x20); - svga_wcrt_mask(0x17, 0x80, 0x80); + svga_wseq_mask(par->state.vgabase, 0x01, 0x00, 0x20); + svga_wcrt_mask(par->state.vgabase, 0x17, 0x80, 0x80); break; case FB_BLANK_NORMAL: pr_debug("fb%d: blank\n", info->node); - svga_wseq_mask(0x01, 0x20, 0x20); - svga_wcrt_mask(0x17, 0x80, 0x80); + svga_wseq_mask(par->state.vgabase, 0x01, 0x20, 0x20); + svga_wcrt_mask(par->state.vgabase, 0x17, 0x80, 0x80); break; case FB_BLANK_POWERDOWN: case FB_BLANK_HSYNC_SUSPEND: case FB_BLANK_VSYNC_SUSPEND: pr_debug("fb%d: sync down\n", info->node); - svga_wseq_mask(0x01, 0x20, 0x20); - svga_wcrt_mask(0x17, 0x00, 0x80); + svga_wseq_mask(par->state.vgabase, 0x01, 0x20, 0x20); + svga_wcrt_mask(par->state.vgabase, 0x17, 0x00, 0x80); break; } return 0; @@ -884,6 +904,7 @@ static int arkfb_blank(int blank_mode, struct fb_info *info) static int arkfb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info) { + struct arkfb_info *par = info->par; unsigned int offset; /* Calculate the offset */ @@ -897,7 +918,7 @@ static int arkfb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info } /* Set the offset */ - svga_wcrt_multi(ark_start_address_regs, offset); + svga_wcrt_multi(par->state.vgabase, ark_start_address_regs, offset); return 0; } @@ -930,6 +951,8 @@ static struct fb_ops arkfb_ops = { /* PCI probe */ static int __devinit ark_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) { + struct pci_bus_region bus_reg; + struct resource vga_res; struct fb_info *info; struct arkfb_info *par; int rc; @@ -985,8 +1008,17 @@ static int __devinit ark_pci_probe(struct pci_dev *dev, const struct pci_device_ goto err_iomap; } + bus_reg.start = 0; + bus_reg.end = 64 * 1024; + + vga_res.flags = IORESOURCE_IO; + + pcibios_bus_to_resource(dev, &vga_res, &bus_reg); + + par->state.vgabase = (void __iomem *) vga_res.start; + /* FIXME get memsize */ - regval = vga_rseq(NULL, 0x10); + regval = vga_rseq(par->state.vgabase, 0x10); info->screen_size = (1 << (regval >> 6)) << 20; info->fix.smem_len = info->screen_size; diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c index 4b4e8da..ccecf99 100644 --- a/drivers/video/atmel_lcdfb.c +++ b/drivers/video/atmel_lcdfb.c @@ -68,7 +68,7 @@ static void atmel_lcdfb_update_dma2d(struct atmel_lcdfb_info *sinfo, } #endif -static const u32 contrast_ctr = ATMEL_LCDC_PS_DIV8 +static u32 contrast_ctr = ATMEL_LCDC_PS_DIV8 | ATMEL_LCDC_POL_POSITIVE | ATMEL_LCDC_ENA_PWMENABLE; @@ -164,6 +164,10 @@ static void exit_backlight(struct atmel_lcdfb_info *sinfo) static void init_contrast(struct atmel_lcdfb_info *sinfo) { + /* contrast pwm can be 'inverted' */ + if (sinfo->lcdcon_pol_negative) + contrast_ctr &= ~(ATMEL_LCDC_POL_POSITIVE); + /* have some default contrast/backlight settings */ lcdc_writel(sinfo, ATMEL_LCDC_CONTRAST_CTR, contrast_ctr); lcdc_writel(sinfo, ATMEL_LCDC_CONTRAST_VAL, ATMEL_LCDC_CVAL_DEFAULT); @@ -711,11 +715,35 @@ static int atmel_lcdfb_pan_display(struct fb_var_screeninfo *var, return 0; } +static int atmel_lcdfb_blank(int blank_mode, struct fb_info *info) +{ + struct atmel_lcdfb_info *sinfo = info->par; + + switch (blank_mode) { + case FB_BLANK_UNBLANK: + case FB_BLANK_NORMAL: + atmel_lcdfb_start(sinfo); + break; + case FB_BLANK_VSYNC_SUSPEND: + case FB_BLANK_HSYNC_SUSPEND: + break; + case FB_BLANK_POWERDOWN: + atmel_lcdfb_stop(sinfo); + break; + default: + return -EINVAL; + } + + /* let fbcon do a soft blank for us */ + return ((blank_mode == FB_BLANK_NORMAL) ? 1 : 0); +} + static struct fb_ops atmel_lcdfb_ops = { .owner = THIS_MODULE, .fb_check_var = atmel_lcdfb_check_var, .fb_set_par = atmel_lcdfb_set_par, .fb_setcolreg = atmel_lcdfb_setcolreg, + .fb_blank = atmel_lcdfb_blank, .fb_pan_display = atmel_lcdfb_pan_display, .fb_fillrect = cfb_fillrect, .fb_copyarea = cfb_copyarea, @@ -817,6 +845,7 @@ static int __init atmel_lcdfb_probe(struct platform_device *pdev) sinfo->guard_time = pdata_sinfo->guard_time; sinfo->smem_len = pdata_sinfo->smem_len; sinfo->lcdcon_is_backlight = pdata_sinfo->lcdcon_is_backlight; + sinfo->lcdcon_pol_negative = pdata_sinfo->lcdcon_pol_negative; sinfo->lcd_wiring_mode = pdata_sinfo->lcd_wiring_mode; } else { dev_err(dev, "cannot get default configuration\n"); diff --git a/drivers/video/aty/radeon_base.c b/drivers/video/aty/radeon_base.c index 3c1e13e..32f8cf6 100644 --- a/drivers/video/aty/radeon_base.c +++ b/drivers/video/aty/radeon_base.c @@ -1248,7 +1248,7 @@ static void radeon_write_pll_regs(struct radeonfb_info *rinfo, struct radeon_reg /* Workaround from XFree */ if (rinfo->is_mobility) { - /* A temporal workaround for the occational blanking on certain laptop + /* A temporal workaround for the occasional blanking on certain laptop * panels. This appears to related to the PLL divider registers * (fail to lock?). It occurs even when all dividers are the same * with their old settings. In this case we really don't need to diff --git a/drivers/video/aty/radeon_i2c.c b/drivers/video/aty/radeon_i2c.c index 78d1f4c..ab1d0fd 100644 --- a/drivers/video/aty/radeon_i2c.c +++ b/drivers/video/aty/radeon_i2c.c @@ -100,6 +100,9 @@ void radeon_create_i2c_busses(struct radeonfb_info *rinfo) { rinfo->i2c[0].rinfo = rinfo; rinfo->i2c[0].ddc_reg = GPIO_MONID; +#ifndef CONFIG_PPC + rinfo->i2c[0].adapter.class = I2C_CLASS_HWMON; +#endif radeon_setup_i2c_bus(&rinfo->i2c[0], "monid"); rinfo->i2c[1].rinfo = rinfo; diff --git a/drivers/video/cg14.c b/drivers/video/cg14.c index e2c85b0..f188950 100644 --- a/drivers/video/cg14.c +++ b/drivers/video/cg14.c @@ -565,6 +565,7 @@ out_dealloc_cmap: out_unmap_regs: cg14_unmap_regs(op, info, par); + framebuffer_release(info); out_err: return err; diff --git a/drivers/video/cg6.c b/drivers/video/cg6.c index 4ffad90..179e96c 100644 --- a/drivers/video/cg6.c +++ b/drivers/video/cg6.c @@ -821,6 +821,7 @@ out_dealloc_cmap: out_unmap_regs: cg6_unmap_regs(op, info, par); + framebuffer_release(info); out_err: return err; diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c index 9c092b8..c583934 100644 --- a/drivers/video/console/fbcon.c +++ b/drivers/video/console/fbcon.c @@ -823,10 +823,10 @@ static int set_con2fb_map(int unit, int newidx, int user) if (oldidx == newidx) return 0; - if (!info || fbcon_has_exited) + if (!info) return -EINVAL; - if (!err && !search_for_mapped_con()) { + if (!search_for_mapped_con() || !con_is_bound(&fb_con)) { info_idx = newidx; return fbcon_takeover(0); } diff --git a/drivers/video/console/tileblit.c b/drivers/video/console/tileblit.c index 0056a41..15e8e1a 100644 --- a/drivers/video/console/tileblit.c +++ b/drivers/video/console/tileblit.c @@ -83,7 +83,7 @@ static void tile_cursor(struct vc_data *vc, struct fb_info *info, int mode, int softback_lines, int fg, int bg) { struct fb_tilecursor cursor; - int use_sw = (vc->vc_cursor_type & 0x01); + int use_sw = (vc->vc_cursor_type & 0x10); cursor.sx = vc->vc_x; cursor.sy = vc->vc_y; diff --git a/drivers/video/edid.h b/drivers/video/edid.h index bd89fb3..d03a232 100644 --- a/drivers/video/edid.h +++ b/drivers/video/edid.h @@ -101,8 +101,8 @@ #define V_SYNC_WIDTH COMBINE_HI_4LO( V_SYNC_WIDTH_HI, V_SYNC_WIDTH_LO ) #define V_SYNC_OFFSET COMBINE_HI_4LO( V_SYNC_OFFSET_HI, V_SYNC_OFFSET_LO ) -#define H_SYNC_WIDTH COMBINE_HI_4LO( H_SYNC_WIDTH_HI, H_SYNC_WIDTH_LO ) -#define H_SYNC_OFFSET COMBINE_HI_4LO( H_SYNC_OFFSET_HI, H_SYNC_OFFSET_LO ) +#define H_SYNC_WIDTH COMBINE_HI_8LO( H_SYNC_WIDTH_HI, H_SYNC_WIDTH_LO ) +#define H_SYNC_OFFSET COMBINE_HI_8LO( H_SYNC_OFFSET_HI, H_SYNC_OFFSET_LO ) #define H_SIZE_LO (unsigned)block[ 12 ] #define V_SIZE_LO (unsigned)block[ 13 ] diff --git a/drivers/video/ffb.c b/drivers/video/ffb.c index 910c5e6..14102a3 100644 --- a/drivers/video/ffb.c +++ b/drivers/video/ffb.c @@ -1010,7 +1010,7 @@ out_dealloc_cmap: fb_dealloc_cmap(&info->cmap); out_unmap_dac: - of_iounmap(&op->resource[2], par->fbc, sizeof(struct ffb_fbc)); + of_iounmap(&op->resource[1], par->dac, sizeof(struct ffb_dac)); out_unmap_fbc: of_iounmap(&op->resource[2], par->fbc, sizeof(struct ffb_fbc)); diff --git a/drivers/video/hecubafb.c b/drivers/video/hecubafb.c index c77bcc6..1b94643 100644 --- a/drivers/video/hecubafb.c +++ b/drivers/video/hecubafb.c @@ -299,7 +299,7 @@ static int __devexit hecubafb_remove(struct platform_device *dev) static struct platform_driver hecubafb_driver = { .probe = hecubafb_probe, - .remove = hecubafb_remove, + .remove = __devexit_p(hecubafb_remove), .driver = { .owner = THIS_MODULE, .name = "hecubafb", diff --git a/drivers/video/hpfb.c b/drivers/video/hpfb.c index c8e280f..ebf8495 100644 --- a/drivers/video/hpfb.c +++ b/drivers/video/hpfb.c @@ -321,11 +321,11 @@ static int __devinit hpfb_dio_probe(struct dio_dev * d, const struct dio_device_ unsigned long paddr, vaddr; paddr = d->resource.start; - if (!request_mem_region(d->resource.start, d->resource.end - d->resource.start, d->name)) + if (!request_mem_region(d->resource.start, resource_size(&d->resource), d->name)) return -EBUSY; if (d->scode >= DIOII_SCBASE) { - vaddr = (unsigned long)ioremap(paddr, d->resource.end - d->resource.start); + vaddr = (unsigned long)ioremap(paddr, resource_size(&d->resource)); } else { vaddr = paddr + DIO_VIRADDRBASE; } @@ -344,7 +344,7 @@ static void __devexit hpfb_remove_one(struct dio_dev *d) unregister_framebuffer(&fb_info); if (d->scode >= DIOII_SCBASE) iounmap((void *)fb_regs); - release_mem_region(d->resource.start, d->resource.end - d->resource.start); + release_mem_region(d->resource.start, resource_size(&d->resource)); } static struct dio_device_id hpfb_dio_tbl[] = { diff --git a/drivers/video/metronomefb.c b/drivers/video/metronomefb.c index 63ed3b7..ed64edf 100644 --- a/drivers/video/metronomefb.c +++ b/drivers/video/metronomefb.c @@ -765,7 +765,7 @@ static int __devexit metronomefb_remove(struct platform_device *dev) static struct platform_driver metronomefb_driver = { .probe = metronomefb_probe, - .remove = metronomefb_remove, + .remove = __devexit_p(metronomefb_remove), .driver = { .owner = THIS_MODULE, .name = "metronomefb", diff --git a/drivers/video/omap/Kconfig b/drivers/video/omap/Kconfig index 083c8fe..15e7f19 100644 --- a/drivers/video/omap/Kconfig +++ b/drivers/video/omap/Kconfig @@ -5,13 +5,18 @@ config FB_OMAP select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT + select TWL4030_CORE if MACH_OMAP_2430SDP help Frame buffer driver for OMAP based boards. config FB_OMAP_LCD_VGA bool "Use LCD in VGA mode" depends on MACH_OMAP_3430SDP || MACH_OMAP_LDP - + help + Set LCD resolution as VGA (640 X 480). + Default resolution without this option is QVGA(320 X 240). + Please take a look at drivers/video/omap/lcd_ldp.c file + for lcd driver code. choice depends on FB_OMAP && MACH_OVERO prompt "Screen resolution" diff --git a/drivers/video/omap/blizzard.c b/drivers/video/omap/blizzard.c index 87785c2..c0504a8 100644 --- a/drivers/video/omap/blizzard.c +++ b/drivers/video/omap/blizzard.c @@ -397,8 +397,7 @@ static inline void free_req(struct blizzard_request *req) spin_lock_irqsave(&blizzard.req_lock, flags); - list_del(&req->entry); - list_add(&req->entry, &blizzard.free_req_list); + list_move(&req->entry, &blizzard.free_req_list); if (!(req->flags & REQ_FROM_IRQ_POOL)) up(&blizzard.req_sema); diff --git a/drivers/video/omap/hwa742.c b/drivers/video/omap/hwa742.c index 0016f77..084aa0a 100644 --- a/drivers/video/omap/hwa742.c +++ b/drivers/video/omap/hwa742.c @@ -269,8 +269,7 @@ static inline void free_req(struct hwa742_request *req) spin_lock_irqsave(&hwa742.req_lock, flags); - list_del(&req->entry); - list_add(&req->entry, &hwa742.free_req_list); + list_move(&req->entry, &hwa742.free_req_list); if (!(req->flags & REQ_FROM_IRQ_POOL)) up(&hwa742.req_sema); diff --git a/drivers/video/omap2/displays/Kconfig b/drivers/video/omap2/displays/Kconfig index 940cab3..d18ad6b 100644 --- a/drivers/video/omap2/displays/Kconfig +++ b/drivers/video/omap2/displays/Kconfig @@ -9,6 +9,12 @@ config PANEL_GENERIC_DPI Supports LCD Panel used in TI SDP3430 and EVM boards, OMAP3517 EVM boards and CM-T35. +config PANEL_LGPHILIPS_LB035Q02 + tristate "LG.Philips LB035Q02 LCD Panel" + depends on OMAP2_DSS && SPI + help + LCD Panel used on the Gumstix Overo Palo35 + config PANEL_SHARP_LS037V7DW01 tristate "Sharp LS037V7DW01 LCD Panel" depends on OMAP2_DSS diff --git a/drivers/video/omap2/displays/Makefile b/drivers/video/omap2/displays/Makefile index 861f025..0f601ab3a 100644 --- a/drivers/video/omap2/displays/Makefile +++ b/drivers/video/omap2/displays/Makefile @@ -1,4 +1,5 @@ obj-$(CONFIG_PANEL_GENERIC_DPI) += panel-generic-dpi.o +obj-$(CONFIG_PANEL_LGPHILIPS_LB035Q02) += panel-lgphilips-lb035q02.o obj-$(CONFIG_PANEL_SHARP_LS037V7DW01) += panel-sharp-ls037v7dw01.o obj-$(CONFIG_PANEL_NEC_NL8048HL11_01B) += panel-nec-nl8048hl11-01b.o diff --git a/drivers/video/omap2/displays/panel-generic-dpi.c b/drivers/video/omap2/displays/panel-generic-dpi.c index 07eb30e..4a9b9ff 100644 --- a/drivers/video/omap2/displays/panel-generic-dpi.c +++ b/drivers/video/omap2/displays/panel-generic-dpi.c @@ -156,6 +156,31 @@ static struct panel_config generic_dpi_panels[] = { .power_off_delay = 0, .name = "toppoly_tdo35s", }, + + /* Samsung LTE430WQ-F0C */ + { + { + .x_res = 480, + .y_res = 272, + + .pixel_clock = 9200, + + .hfp = 8, + .hsw = 41, + .hbp = 45 - 41, + + .vfp = 4, + .vsw = 10, + .vbp = 12 - 10, + }, + .acbi = 0x0, + .acb = 0x0, + .config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS | + OMAP_DSS_LCD_IHS, + .power_on_delay = 0, + .power_off_delay = 0, + .name = "samsung_lte430wq_f0c", + }, }; struct panel_drv_data { diff --git a/drivers/video/omap2/displays/panel-lgphilips-lb035q02.c b/drivers/video/omap2/displays/panel-lgphilips-lb035q02.c new file mode 100644 index 0000000..271324d --- /dev/null +++ b/drivers/video/omap2/displays/panel-lgphilips-lb035q02.c @@ -0,0 +1,279 @@ +/* + * LCD panel driver for LG.Philips LB035Q02 + * + * Author: Steve Sakoman <steve@sakoman.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <linux/module.h> +#include <linux/delay.h> +#include <linux/spi/spi.h> +#include <linux/mutex.h> + +#include <plat/display.h> + +struct lb035q02_data { + struct mutex lock; +}; + +static struct omap_video_timings lb035q02_timings = { + .x_res = 320, + .y_res = 240, + + .pixel_clock = 6500, + + .hsw = 2, + .hfp = 20, + .hbp = 68, + + .vsw = 2, + .vfp = 4, + .vbp = 18, +}; + +static int lb035q02_panel_power_on(struct omap_dss_device *dssdev) +{ + int r; + + if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) + return 0; + + r = omapdss_dpi_display_enable(dssdev); + if (r) + goto err0; + + if (dssdev->platform_enable) { + r = dssdev->platform_enable(dssdev); + if (r) + goto err1; + } + + return 0; +err1: + omapdss_dpi_display_disable(dssdev); +err0: + return r; +} + +static void lb035q02_panel_power_off(struct omap_dss_device *dssdev) +{ + if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE) + return; + + if (dssdev->platform_disable) + dssdev->platform_disable(dssdev); + + omapdss_dpi_display_disable(dssdev); +} + +static int lb035q02_panel_probe(struct omap_dss_device *dssdev) +{ + struct lb035q02_data *ld; + int r; + + dssdev->panel.config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS | + OMAP_DSS_LCD_IHS; + dssdev->panel.timings = lb035q02_timings; + + ld = kzalloc(sizeof(*ld), GFP_KERNEL); + if (!ld) { + r = -ENOMEM; + goto err; + } + mutex_init(&ld->lock); + dev_set_drvdata(&dssdev->dev, ld); + return 0; +err: + return r; +} + +static void lb035q02_panel_remove(struct omap_dss_device *dssdev) +{ + struct lb035q02_data *ld = dev_get_drvdata(&dssdev->dev); + + kfree(ld); +} + +static int lb035q02_panel_enable(struct omap_dss_device *dssdev) +{ + struct lb035q02_data *ld = dev_get_drvdata(&dssdev->dev); + int r; + + mutex_lock(&ld->lock); + + r = lb035q02_panel_power_on(dssdev); + if (r) + goto err; + dssdev->state = OMAP_DSS_DISPLAY_ACTIVE; + + mutex_unlock(&ld->lock); + return 0; +err: + mutex_unlock(&ld->lock); + return r; +} + +static void lb035q02_panel_disable(struct omap_dss_device *dssdev) +{ + struct lb035q02_data *ld = dev_get_drvdata(&dssdev->dev); + + mutex_lock(&ld->lock); + + lb035q02_panel_power_off(dssdev); + dssdev->state = OMAP_DSS_DISPLAY_DISABLED; + + mutex_unlock(&ld->lock); +} + +static int lb035q02_panel_suspend(struct omap_dss_device *dssdev) +{ + struct lb035q02_data *ld = dev_get_drvdata(&dssdev->dev); + + mutex_lock(&ld->lock); + + lb035q02_panel_power_off(dssdev); + dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED; + + mutex_unlock(&ld->lock); + return 0; +} + +static int lb035q02_panel_resume(struct omap_dss_device *dssdev) +{ + struct lb035q02_data *ld = dev_get_drvdata(&dssdev->dev); + int r; + + mutex_lock(&ld->lock); + + r = lb035q02_panel_power_on(dssdev); + if (r) + goto err; + dssdev->state = OMAP_DSS_DISPLAY_ACTIVE; + + mutex_unlock(&ld->lock); + return 0; +err: + mutex_unlock(&ld->lock); + return r; +} + +static struct omap_dss_driver lb035q02_driver = { + .probe = lb035q02_panel_probe, + .remove = lb035q02_panel_remove, + + .enable = lb035q02_panel_enable, + .disable = lb035q02_panel_disable, + .suspend = lb035q02_panel_suspend, + .resume = lb035q02_panel_resume, + + .driver = { + .name = "lgphilips_lb035q02_panel", + .owner = THIS_MODULE, + }, +}; + +static int lb035q02_write_reg(struct spi_device *spi, u8 reg, u16 val) +{ + struct spi_message msg; + struct spi_transfer index_xfer = { + .len = 3, + .cs_change = 1, + }; + struct spi_transfer value_xfer = { + .len = 3, + }; + u8 buffer[16]; + + spi_message_init(&msg); + + /* register index */ + buffer[0] = 0x70; + buffer[1] = 0x00; + buffer[2] = reg & 0x7f; + index_xfer.tx_buf = buffer; + spi_message_add_tail(&index_xfer, &msg); + + /* register value */ + buffer[4] = 0x72; + buffer[5] = val >> 8; + buffer[6] = val; + value_xfer.tx_buf = buffer + 4; + spi_message_add_tail(&value_xfer, &msg); + + return spi_sync(spi, &msg); +} + +static void init_lb035q02_panel(struct spi_device *spi) +{ + /* Init sequence from page 28 of the lb035q02 spec */ + lb035q02_write_reg(spi, 0x01, 0x6300); + lb035q02_write_reg(spi, 0x02, 0x0200); + lb035q02_write_reg(spi, 0x03, 0x0177); + lb035q02_write_reg(spi, 0x04, 0x04c7); + lb035q02_write_reg(spi, 0x05, 0xffc0); + lb035q02_write_reg(spi, 0x06, 0xe806); + lb035q02_write_reg(spi, 0x0a, 0x4008); + lb035q02_write_reg(spi, 0x0b, 0x0000); + lb035q02_write_reg(spi, 0x0d, 0x0030); + lb035q02_write_reg(spi, 0x0e, 0x2800); + lb035q02_write_reg(spi, 0x0f, 0x0000); + lb035q02_write_reg(spi, 0x16, 0x9f80); + lb035q02_write_reg(spi, 0x17, 0x0a0f); + lb035q02_write_reg(spi, 0x1e, 0x00c1); + lb035q02_write_reg(spi, 0x30, 0x0300); + lb035q02_write_reg(spi, 0x31, 0x0007); + lb035q02_write_reg(spi, 0x32, 0x0000); + lb035q02_write_reg(spi, 0x33, 0x0000); + lb035q02_write_reg(spi, 0x34, 0x0707); + lb035q02_write_reg(spi, 0x35, 0x0004); + lb035q02_write_reg(spi, 0x36, 0x0302); + lb035q02_write_reg(spi, 0x37, 0x0202); + lb035q02_write_reg(spi, 0x3a, 0x0a0d); + lb035q02_write_reg(spi, 0x3b, 0x0806); +} + +static int __devinit lb035q02_panel_spi_probe(struct spi_device *spi) +{ + init_lb035q02_panel(spi); + return omap_dss_register_driver(&lb035q02_driver); +} + +static int __devexit lb035q02_panel_spi_remove(struct spi_device *spi) +{ + omap_dss_unregister_driver(&lb035q02_driver); + return 0; +} + +static struct spi_driver lb035q02_spi_driver = { + .driver = { + .name = "lgphilips_lb035q02_panel-spi", + .owner = THIS_MODULE, + }, + .probe = lb035q02_panel_spi_probe, + .remove = __devexit_p(lb035q02_panel_spi_remove), +}; + +static int __init lb035q02_panel_drv_init(void) +{ + return spi_register_driver(&lb035q02_spi_driver); +} + +static void __exit lb035q02_panel_drv_exit(void) +{ + spi_unregister_driver(&lb035q02_spi_driver); +} + +module_init(lb035q02_panel_drv_init); +module_exit(lb035q02_panel_drv_exit); +MODULE_LICENSE("GPL"); diff --git a/drivers/video/omap2/displays/panel-taal.c b/drivers/video/omap2/displays/panel-taal.c index c74e8b7..adc9900 100644 --- a/drivers/video/omap2/displays/panel-taal.c +++ b/drivers/video/omap2/displays/panel-taal.c @@ -218,6 +218,8 @@ struct taal_data { u16 w; u16 h; } update_region; + int channel; + struct delayed_work te_timeout_work; bool use_dsi_bl; @@ -257,12 +259,12 @@ static void hw_guard_wait(struct taal_data *td) } } -static int taal_dcs_read_1(u8 dcs_cmd, u8 *data) +static int taal_dcs_read_1(struct taal_data *td, u8 dcs_cmd, u8 *data) { int r; u8 buf[1]; - r = dsi_vc_dcs_read(TCH, dcs_cmd, buf, 1); + r = dsi_vc_dcs_read(td->channel, dcs_cmd, buf, 1); if (r < 0) return r; @@ -272,17 +274,17 @@ static int taal_dcs_read_1(u8 dcs_cmd, u8 *data) return 0; } -static int taal_dcs_write_0(u8 dcs_cmd) +static int taal_dcs_write_0(struct taal_data *td, u8 dcs_cmd) { - return dsi_vc_dcs_write(TCH, &dcs_cmd, 1); + return dsi_vc_dcs_write(td->channel, &dcs_cmd, 1); } -static int taal_dcs_write_1(u8 dcs_cmd, u8 param) +static int taal_dcs_write_1(struct taal_data *td, u8 dcs_cmd, u8 param) { u8 buf[2]; buf[0] = dcs_cmd; buf[1] = param; - return dsi_vc_dcs_write(TCH, buf, 2); + return dsi_vc_dcs_write(td->channel, buf, 2); } static int taal_sleep_in(struct taal_data *td) @@ -294,7 +296,7 @@ static int taal_sleep_in(struct taal_data *td) hw_guard_wait(td); cmd = DCS_SLEEP_IN; - r = dsi_vc_dcs_write_nosync(TCH, &cmd, 1); + r = dsi_vc_dcs_write_nosync(td->channel, &cmd, 1); if (r) return r; @@ -312,7 +314,7 @@ static int taal_sleep_out(struct taal_data *td) hw_guard_wait(td); - r = taal_dcs_write_0(DCS_SLEEP_OUT); + r = taal_dcs_write_0(td, DCS_SLEEP_OUT); if (r) return r; @@ -324,30 +326,30 @@ static int taal_sleep_out(struct taal_data *td) return 0; } -static int taal_get_id(u8 *id1, u8 *id2, u8 *id3) +static int taal_get_id(struct taal_data *td, u8 *id1, u8 *id2, u8 *id3) { int r; - r = taal_dcs_read_1(DCS_GET_ID1, id1); + r = taal_dcs_read_1(td, DCS_GET_ID1, id1); if (r) return r; - r = taal_dcs_read_1(DCS_GET_ID2, id2); + r = taal_dcs_read_1(td, DCS_GET_ID2, id2); if (r) return r; - r = taal_dcs_read_1(DCS_GET_ID3, id3); + r = taal_dcs_read_1(td, DCS_GET_ID3, id3); if (r) return r; return 0; } -static int taal_set_addr_mode(u8 rotate, bool mirror) +static int taal_set_addr_mode(struct taal_data *td, u8 rotate, bool mirror) { int r; u8 mode; int b5, b6, b7; - r = taal_dcs_read_1(DCS_READ_MADCTL, &mode); + r = taal_dcs_read_1(td, DCS_READ_MADCTL, &mode); if (r) return r; @@ -381,10 +383,11 @@ static int taal_set_addr_mode(u8 rotate, bool mirror) mode &= ~((1<<7) | (1<<6) | (1<<5)); mode |= (b7 << 7) | (b6 << 6) | (b5 << 5); - return taal_dcs_write_1(DCS_MEM_ACC_CTRL, mode); + return taal_dcs_write_1(td, DCS_MEM_ACC_CTRL, mode); } -static int taal_set_update_window(u16 x, u16 y, u16 w, u16 h) +static int taal_set_update_window(struct taal_data *td, + u16 x, u16 y, u16 w, u16 h) { int r; u16 x1 = x; @@ -399,7 +402,7 @@ static int taal_set_update_window(u16 x, u16 y, u16 w, u16 h) buf[3] = (x2 >> 8) & 0xff; buf[4] = (x2 >> 0) & 0xff; - r = dsi_vc_dcs_write_nosync(TCH, buf, sizeof(buf)); + r = dsi_vc_dcs_write_nosync(td->channel, buf, sizeof(buf)); if (r) return r; @@ -409,11 +412,11 @@ static int taal_set_update_window(u16 x, u16 y, u16 w, u16 h) buf[3] = (y2 >> 8) & 0xff; buf[4] = (y2 >> 0) & 0xff; - r = dsi_vc_dcs_write_nosync(TCH, buf, sizeof(buf)); + r = dsi_vc_dcs_write_nosync(td->channel, buf, sizeof(buf)); if (r) return r; - dsi_vc_send_bta_sync(TCH); + dsi_vc_send_bta_sync(td->channel); return r; } @@ -439,7 +442,7 @@ static int taal_bl_update_status(struct backlight_device *dev) if (td->use_dsi_bl) { if (td->enabled) { dsi_bus_lock(); - r = taal_dcs_write_1(DCS_BRIGHTNESS, level); + r = taal_dcs_write_1(td, DCS_BRIGHTNESS, level); dsi_bus_unlock(); } else { r = 0; @@ -502,7 +505,7 @@ static ssize_t taal_num_errors_show(struct device *dev, if (td->enabled) { dsi_bus_lock(); - r = taal_dcs_read_1(DCS_READ_NUM_ERRORS, &errors); + r = taal_dcs_read_1(td, DCS_READ_NUM_ERRORS, &errors); dsi_bus_unlock(); } else { r = -ENODEV; @@ -528,7 +531,7 @@ static ssize_t taal_hw_revision_show(struct device *dev, if (td->enabled) { dsi_bus_lock(); - r = taal_get_id(&id1, &id2, &id3); + r = taal_get_id(td, &id1, &id2, &id3); dsi_bus_unlock(); } else { r = -ENODEV; @@ -590,7 +593,7 @@ static ssize_t store_cabc_mode(struct device *dev, if (td->enabled) { dsi_bus_lock(); if (!td->cabc_broken) - taal_dcs_write_1(DCS_WRITE_CABC, i); + taal_dcs_write_1(td, DCS_WRITE_CABC, i); dsi_bus_unlock(); } @@ -776,14 +779,29 @@ static int taal_probe(struct omap_dss_device *dssdev) dev_dbg(&dssdev->dev, "Using GPIO TE\n"); } + r = omap_dsi_request_vc(dssdev, &td->channel); + if (r) { + dev_err(&dssdev->dev, "failed to get virtual channel\n"); + goto err_req_vc; + } + + r = omap_dsi_set_vc_id(dssdev, td->channel, TCH); + if (r) { + dev_err(&dssdev->dev, "failed to set VC_ID\n"); + goto err_vc_id; + } + r = sysfs_create_group(&dssdev->dev.kobj, &taal_attr_group); if (r) { dev_err(&dssdev->dev, "failed to create sysfs files\n"); - goto err_sysfs; + goto err_vc_id; } return 0; -err_sysfs: + +err_vc_id: + omap_dsi_release_vc(dssdev, td->channel); +err_req_vc: if (panel_data->use_ext_te) free_irq(gpio_to_irq(panel_data->ext_te_gpio), dssdev); err_irq: @@ -810,6 +828,7 @@ static void taal_remove(struct omap_dss_device *dssdev) dev_dbg(&dssdev->dev, "remove\n"); sysfs_remove_group(&dssdev->dev.kobj, &taal_attr_group); + omap_dsi_release_vc(dssdev, td->channel); if (panel_data->use_ext_te) { int gpio = panel_data->ext_te_gpio; @@ -848,13 +867,13 @@ static int taal_power_on(struct omap_dss_device *dssdev) taal_hw_reset(dssdev); - omapdss_dsi_vc_enable_hs(TCH, false); + omapdss_dsi_vc_enable_hs(td->channel, false); r = taal_sleep_out(td); if (r) goto err; - r = taal_get_id(&id1, &id2, &id3); + r = taal_get_id(td, &id1, &id2, &id3); if (r) goto err; @@ -863,30 +882,30 @@ static int taal_power_on(struct omap_dss_device *dssdev) (id2 == 0x00 || id2 == 0xff || id2 == 0x81)) td->cabc_broken = true; - r = taal_dcs_write_1(DCS_BRIGHTNESS, 0xff); + r = taal_dcs_write_1(td, DCS_BRIGHTNESS, 0xff); if (r) goto err; - r = taal_dcs_write_1(DCS_CTRL_DISPLAY, + r = taal_dcs_write_1(td, DCS_CTRL_DISPLAY, (1<<2) | (1<<5)); /* BL | BCTRL */ if (r) goto err; - r = taal_dcs_write_1(DCS_PIXEL_FORMAT, 0x7); /* 24bit/pixel */ + r = taal_dcs_write_1(td, DCS_PIXEL_FORMAT, 0x7); /* 24bit/pixel */ if (r) goto err; - r = taal_set_addr_mode(td->rotate, td->mirror); + r = taal_set_addr_mode(td, td->rotate, td->mirror); if (r) goto err; if (!td->cabc_broken) { - r = taal_dcs_write_1(DCS_WRITE_CABC, td->cabc_mode); + r = taal_dcs_write_1(td, DCS_WRITE_CABC, td->cabc_mode); if (r) goto err; } - r = taal_dcs_write_0(DCS_DISPLAY_ON); + r = taal_dcs_write_0(td, DCS_DISPLAY_ON); if (r) goto err; @@ -905,7 +924,7 @@ static int taal_power_on(struct omap_dss_device *dssdev) td->intro_printed = true; } - omapdss_dsi_vc_enable_hs(TCH, true); + omapdss_dsi_vc_enable_hs(td->channel, true); return 0; err: @@ -923,7 +942,7 @@ static void taal_power_off(struct omap_dss_device *dssdev) struct taal_data *td = dev_get_drvdata(&dssdev->dev); int r; - r = taal_dcs_write_0(DCS_DISPLAY_OFF); + r = taal_dcs_write_0(td, DCS_DISPLAY_OFF); if (!r) { r = taal_sleep_in(td); /* HACK: wait a bit so that the message goes through */ @@ -1091,7 +1110,7 @@ static irqreturn_t taal_te_isr(int irq, void *data) if (old) { cancel_delayed_work(&td->te_timeout_work); - r = omap_dsi_update(dssdev, TCH, + r = omap_dsi_update(dssdev, td->channel, td->update_region.x, td->update_region.y, td->update_region.w, @@ -1141,7 +1160,7 @@ static int taal_update(struct omap_dss_device *dssdev, if (r) goto err; - r = taal_set_update_window(x, y, w, h); + r = taal_set_update_window(td, x, y, w, h); if (r) goto err; @@ -1155,7 +1174,7 @@ static int taal_update(struct omap_dss_device *dssdev, msecs_to_jiffies(250)); atomic_set(&td->do_update, 1); } else { - r = omap_dsi_update(dssdev, TCH, x, y, w, h, + r = omap_dsi_update(dssdev, td->channel, x, y, w, h, taal_framedone_cb, dssdev); if (r) goto err; @@ -1193,9 +1212,9 @@ static int _taal_enable_te(struct omap_dss_device *dssdev, bool enable) int r; if (enable) - r = taal_dcs_write_1(DCS_TEAR_ON, 0); + r = taal_dcs_write_1(td, DCS_TEAR_ON, 0); else - r = taal_dcs_write_0(DCS_TEAR_OFF); + r = taal_dcs_write_0(td, DCS_TEAR_OFF); if (!panel_data->use_ext_te) omapdss_dsi_enable_te(dssdev, enable); @@ -1265,7 +1284,7 @@ static int taal_rotate(struct omap_dss_device *dssdev, u8 rotate) dsi_bus_lock(); if (td->enabled) { - r = taal_set_addr_mode(rotate, td->mirror); + r = taal_set_addr_mode(td, rotate, td->mirror); if (r) goto err; } @@ -1308,7 +1327,7 @@ static int taal_mirror(struct omap_dss_device *dssdev, bool enable) dsi_bus_lock(); if (td->enabled) { - r = taal_set_addr_mode(td->rotate, enable); + r = taal_set_addr_mode(td, td->rotate, enable); if (r) goto err; } @@ -1352,13 +1371,13 @@ static int taal_run_test(struct omap_dss_device *dssdev, int test_num) dsi_bus_lock(); - r = taal_dcs_read_1(DCS_GET_ID1, &id1); + r = taal_dcs_read_1(td, DCS_GET_ID1, &id1); if (r) goto err2; - r = taal_dcs_read_1(DCS_GET_ID2, &id2); + r = taal_dcs_read_1(td, DCS_GET_ID2, &id2); if (r) goto err2; - r = taal_dcs_read_1(DCS_GET_ID3, &id3); + r = taal_dcs_read_1(td, DCS_GET_ID3, &id3); if (r) goto err2; @@ -1406,9 +1425,9 @@ static int taal_memory_read(struct omap_dss_device *dssdev, else plen = 2; - taal_set_update_window(x, y, w, h); + taal_set_update_window(td, x, y, w, h); - r = dsi_vc_set_max_rx_packet_size(TCH, plen); + r = dsi_vc_set_max_rx_packet_size(td->channel, plen); if (r) goto err2; @@ -1416,7 +1435,7 @@ static int taal_memory_read(struct omap_dss_device *dssdev, u8 dcs_cmd = first ? 0x2e : 0x3e; first = 0; - r = dsi_vc_dcs_read(TCH, dcs_cmd, + r = dsi_vc_dcs_read(td->channel, dcs_cmd, buf + buf_used, size - buf_used); if (r < 0) { @@ -1442,7 +1461,7 @@ static int taal_memory_read(struct omap_dss_device *dssdev, r = buf_used; err3: - dsi_vc_set_max_rx_packet_size(TCH, 1); + dsi_vc_set_max_rx_packet_size(td->channel, 1); err2: dsi_bus_unlock(); err1: @@ -1468,7 +1487,7 @@ static void taal_esd_work(struct work_struct *work) dsi_bus_lock(); - r = taal_dcs_read_1(DCS_RDDSDR, &state1); + r = taal_dcs_read_1(td, DCS_RDDSDR, &state1); if (r) { dev_err(&dssdev->dev, "failed to read Taal status\n"); goto err; @@ -1481,7 +1500,7 @@ static void taal_esd_work(struct work_struct *work) goto err; } - r = taal_dcs_read_1(DCS_RDDSDR, &state2); + r = taal_dcs_read_1(td, DCS_RDDSDR, &state2); if (r) { dev_err(&dssdev->dev, "failed to read Taal status\n"); goto err; @@ -1497,7 +1516,7 @@ static void taal_esd_work(struct work_struct *work) /* Self-diagnostics result is also shown on TE GPIO line. We need * to re-enable TE after self diagnostics */ if (td->te_enabled && panel_data->use_ext_te) { - r = taal_dcs_write_1(DCS_TEAR_ON, 0); + r = taal_dcs_write_1(td, DCS_TEAR_ON, 0); if (r) goto err; } diff --git a/drivers/video/omap2/dss/Kconfig b/drivers/video/omap2/dss/Kconfig index 43b6440..bfc5da0 100644 --- a/drivers/video/omap2/dss/Kconfig +++ b/drivers/video/omap2/dss/Kconfig @@ -1,8 +1,8 @@ menuconfig OMAP2_DSS - tristate "OMAP2/3 Display Subsystem support (EXPERIMENTAL)" - depends on ARCH_OMAP2 || ARCH_OMAP3 + tristate "OMAP2+ Display Subsystem support (EXPERIMENTAL)" + depends on ARCH_OMAP2PLUS help - OMAP2/3 Display Subsystem support. + OMAP2+ Display Subsystem support. if OMAP2_DSS @@ -60,6 +60,14 @@ config OMAP2_DSS_VENC help OMAP Video Encoder support for S-Video and composite TV-out. +config OMAP4_DSS_HDMI + bool "HDMI support" + depends on ARCH_OMAP4 + default y + help + HDMI Interface. This adds the High Definition Multimedia Interface. + See http://www.hdmi.org/ for HDMI specification. + config OMAP2_DSS_SDI bool "SDI support" depends on ARCH_OMAP3 diff --git a/drivers/video/omap2/dss/Makefile b/drivers/video/omap2/dss/Makefile index 7db17b5..10d9d3b 100644 --- a/drivers/video/omap2/dss/Makefile +++ b/drivers/video/omap2/dss/Makefile @@ -5,3 +5,5 @@ omapdss-$(CONFIG_OMAP2_DSS_RFBI) += rfbi.o omapdss-$(CONFIG_OMAP2_DSS_VENC) += venc.o omapdss-$(CONFIG_OMAP2_DSS_SDI) += sdi.o omapdss-$(CONFIG_OMAP2_DSS_DSI) += dsi.o +omapdss-$(CONFIG_OMAP4_DSS_HDMI) += hdmi.o \ + hdmi_omap4_panel.o diff --git a/drivers/video/omap2/dss/core.c b/drivers/video/omap2/dss/core.c index 8e89f60..1aa2ed1 100644 --- a/drivers/video/omap2/dss/core.c +++ b/drivers/video/omap2/dss/core.c @@ -34,332 +34,26 @@ #include <linux/regulator/consumer.h> #include <plat/display.h> -#include <plat/clock.h> #include "dss.h" #include "dss_features.h" static struct { struct platform_device *pdev; - int ctx_id; - - struct clk *dss_ick; - struct clk *dss1_fck; - struct clk *dss2_fck; - struct clk *dss_54m_fck; - struct clk *dss_96m_fck; - unsigned num_clks_enabled; struct regulator *vdds_dsi_reg; struct regulator *vdds_sdi_reg; - struct regulator *vdda_dac_reg; } core; -static void dss_clk_enable_all_no_ctx(void); -static void dss_clk_disable_all_no_ctx(void); -static void dss_clk_enable_no_ctx(enum dss_clock clks); -static void dss_clk_disable_no_ctx(enum dss_clock clks); - static char *def_disp_name; module_param_named(def_disp, def_disp_name, charp, 0); -MODULE_PARM_DESC(def_disp_name, "default display name"); +MODULE_PARM_DESC(def_disp, "default display name"); #ifdef DEBUG unsigned int dss_debug; module_param_named(debug, dss_debug, bool, 0644); #endif -/* CONTEXT */ -static int dss_get_ctx_id(void) -{ - struct omap_dss_board_info *pdata = core.pdev->dev.platform_data; - int r; - - if (!pdata->get_last_off_on_transaction_id) - return 0; - r = pdata->get_last_off_on_transaction_id(&core.pdev->dev); - if (r < 0) { - dev_err(&core.pdev->dev, "getting transaction ID failed, " - "will force context restore\n"); - r = -1; - } - return r; -} - -int dss_need_ctx_restore(void) -{ - int id = dss_get_ctx_id(); - - if (id < 0 || id != core.ctx_id) { - DSSDBG("ctx id %d -> id %d\n", - core.ctx_id, id); - core.ctx_id = id; - return 1; - } else { - return 0; - } -} - -static void save_all_ctx(void) -{ - DSSDBG("save context\n"); - - dss_clk_enable_no_ctx(DSS_CLK_ICK | DSS_CLK_FCK1); - - dss_save_context(); - dispc_save_context(); -#ifdef CONFIG_OMAP2_DSS_DSI - dsi_save_context(); -#endif - - dss_clk_disable_no_ctx(DSS_CLK_ICK | DSS_CLK_FCK1); -} - -static void restore_all_ctx(void) -{ - DSSDBG("restore context\n"); - - dss_clk_enable_all_no_ctx(); - - dss_restore_context(); - dispc_restore_context(); -#ifdef CONFIG_OMAP2_DSS_DSI - dsi_restore_context(); -#endif - - dss_clk_disable_all_no_ctx(); -} - -#if defined(CONFIG_DEBUG_FS) && defined(CONFIG_OMAP2_DSS_DEBUG_SUPPORT) -/* CLOCKS */ -static void core_dump_clocks(struct seq_file *s) -{ - int i; - struct clk *clocks[5] = { - core.dss_ick, - core.dss1_fck, - core.dss2_fck, - core.dss_54m_fck, - core.dss_96m_fck - }; - - seq_printf(s, "- CORE -\n"); - - seq_printf(s, "internal clk count\t\t%u\n", core.num_clks_enabled); - - for (i = 0; i < 5; i++) { - if (!clocks[i]) - continue; - seq_printf(s, "%-15s\t%lu\t%d\n", - clocks[i]->name, - clk_get_rate(clocks[i]), - clocks[i]->usecount); - } -} -#endif /* defined(CONFIG_DEBUG_FS) && defined(CONFIG_OMAP2_DSS_DEBUG_SUPPORT) */ - -static int dss_get_clock(struct clk **clock, const char *clk_name) -{ - struct clk *clk; - - clk = clk_get(&core.pdev->dev, clk_name); - - if (IS_ERR(clk)) { - DSSERR("can't get clock %s", clk_name); - return PTR_ERR(clk); - } - - *clock = clk; - - DSSDBG("clk %s, rate %ld\n", clk_name, clk_get_rate(clk)); - - return 0; -} - -static int dss_get_clocks(void) -{ - int r; - - core.dss_ick = NULL; - core.dss1_fck = NULL; - core.dss2_fck = NULL; - core.dss_54m_fck = NULL; - core.dss_96m_fck = NULL; - - r = dss_get_clock(&core.dss_ick, "ick"); - if (r) - goto err; - - r = dss_get_clock(&core.dss1_fck, "dss1_fck"); - if (r) - goto err; - - r = dss_get_clock(&core.dss2_fck, "dss2_fck"); - if (r) - goto err; - - r = dss_get_clock(&core.dss_54m_fck, "tv_fck"); - if (r) - goto err; - - r = dss_get_clock(&core.dss_96m_fck, "video_fck"); - if (r) - goto err; - - return 0; - -err: - if (core.dss_ick) - clk_put(core.dss_ick); - if (core.dss1_fck) - clk_put(core.dss1_fck); - if (core.dss2_fck) - clk_put(core.dss2_fck); - if (core.dss_54m_fck) - clk_put(core.dss_54m_fck); - if (core.dss_96m_fck) - clk_put(core.dss_96m_fck); - - return r; -} - -static void dss_put_clocks(void) -{ - if (core.dss_96m_fck) - clk_put(core.dss_96m_fck); - clk_put(core.dss_54m_fck); - clk_put(core.dss1_fck); - clk_put(core.dss2_fck); - clk_put(core.dss_ick); -} - -unsigned long dss_clk_get_rate(enum dss_clock clk) -{ - switch (clk) { - case DSS_CLK_ICK: - return clk_get_rate(core.dss_ick); - case DSS_CLK_FCK1: - return clk_get_rate(core.dss1_fck); - case DSS_CLK_FCK2: - return clk_get_rate(core.dss2_fck); - case DSS_CLK_54M: - return clk_get_rate(core.dss_54m_fck); - case DSS_CLK_96M: - return clk_get_rate(core.dss_96m_fck); - } - - BUG(); - return 0; -} - -static unsigned count_clk_bits(enum dss_clock clks) -{ - unsigned num_clks = 0; - - if (clks & DSS_CLK_ICK) - ++num_clks; - if (clks & DSS_CLK_FCK1) - ++num_clks; - if (clks & DSS_CLK_FCK2) - ++num_clks; - if (clks & DSS_CLK_54M) - ++num_clks; - if (clks & DSS_CLK_96M) - ++num_clks; - - return num_clks; -} - -static void dss_clk_enable_no_ctx(enum dss_clock clks) -{ - unsigned num_clks = count_clk_bits(clks); - - if (clks & DSS_CLK_ICK) - clk_enable(core.dss_ick); - if (clks & DSS_CLK_FCK1) - clk_enable(core.dss1_fck); - if (clks & DSS_CLK_FCK2) - clk_enable(core.dss2_fck); - if (clks & DSS_CLK_54M) - clk_enable(core.dss_54m_fck); - if (clks & DSS_CLK_96M) - clk_enable(core.dss_96m_fck); - - core.num_clks_enabled += num_clks; -} - -void dss_clk_enable(enum dss_clock clks) -{ - bool check_ctx = core.num_clks_enabled == 0; - - dss_clk_enable_no_ctx(clks); - - if (check_ctx && cpu_is_omap34xx() && dss_need_ctx_restore()) - restore_all_ctx(); -} - -static void dss_clk_disable_no_ctx(enum dss_clock clks) -{ - unsigned num_clks = count_clk_bits(clks); - - if (clks & DSS_CLK_ICK) - clk_disable(core.dss_ick); - if (clks & DSS_CLK_FCK1) - clk_disable(core.dss1_fck); - if (clks & DSS_CLK_FCK2) - clk_disable(core.dss2_fck); - if (clks & DSS_CLK_54M) - clk_disable(core.dss_54m_fck); - if (clks & DSS_CLK_96M) - clk_disable(core.dss_96m_fck); - - core.num_clks_enabled -= num_clks; -} - -void dss_clk_disable(enum dss_clock clks) -{ - if (cpu_is_omap34xx()) { - unsigned num_clks = count_clk_bits(clks); - - BUG_ON(core.num_clks_enabled < num_clks); - - if (core.num_clks_enabled == num_clks) - save_all_ctx(); - } - - dss_clk_disable_no_ctx(clks); -} - -static void dss_clk_enable_all_no_ctx(void) -{ - enum dss_clock clks; - - clks = DSS_CLK_ICK | DSS_CLK_FCK1 | DSS_CLK_FCK2 | DSS_CLK_54M; - if (cpu_is_omap34xx()) - clks |= DSS_CLK_96M; - dss_clk_enable_no_ctx(clks); -} - -static void dss_clk_disable_all_no_ctx(void) -{ - enum dss_clock clks; - - clks = DSS_CLK_ICK | DSS_CLK_FCK1 | DSS_CLK_FCK2 | DSS_CLK_54M; - if (cpu_is_omap34xx()) - clks |= DSS_CLK_96M; - dss_clk_disable_no_ctx(clks); -} - -static void dss_clk_disable_all(void) -{ - enum dss_clock clks; - - clks = DSS_CLK_ICK | DSS_CLK_FCK1 | DSS_CLK_FCK2 | DSS_CLK_54M; - if (cpu_is_omap34xx()) - clks |= DSS_CLK_96M; - dss_clk_disable(clks); -} - /* REGULATORS */ struct regulator *dss_get_vdds_dsi(void) @@ -390,32 +84,7 @@ struct regulator *dss_get_vdds_sdi(void) return reg; } -struct regulator *dss_get_vdda_dac(void) -{ - struct regulator *reg; - - if (core.vdda_dac_reg != NULL) - return core.vdda_dac_reg; - - reg = regulator_get(&core.pdev->dev, "vdda_dac"); - if (!IS_ERR(reg)) - core.vdda_dac_reg = reg; - - return reg; -} - -/* DEBUGFS */ #if defined(CONFIG_DEBUG_FS) && defined(CONFIG_OMAP2_DSS_DEBUG_SUPPORT) -static void dss_debug_dump_clocks(struct seq_file *s) -{ - core_dump_clocks(s); - dss_dump_clocks(s); - dispc_dump_clocks(s); -#ifdef CONFIG_OMAP2_DSS_DSI - dsi_dump_clocks(s); -#endif -} - static int dss_debug_show(struct seq_file *s, void *unused) { void (*func)(struct seq_file *) = s->private; @@ -497,7 +166,6 @@ static inline void dss_uninitialize_debugfs(void) static int omap_dss_probe(struct platform_device *pdev) { struct omap_dss_board_info *pdata = pdev->dev.platform_data; - int skip_init = 0; int r; int i; @@ -508,63 +176,43 @@ static int omap_dss_probe(struct platform_device *pdev) dss_init_overlay_managers(pdev); dss_init_overlays(pdev); - r = dss_get_clocks(); - if (r) - goto err_clocks; - - dss_clk_enable_all_no_ctx(); - - core.ctx_id = dss_get_ctx_id(); - DSSDBG("initial ctx id %u\n", core.ctx_id); - -#ifdef CONFIG_FB_OMAP_BOOTLOADER_INIT - /* DISPC_CONTROL */ - if (omap_readl(0x48050440) & 1) /* LCD enabled? */ - skip_init = 1; -#endif - - r = dss_init(skip_init); + r = dss_init_platform_driver(); if (r) { - DSSERR("Failed to initialize DSS\n"); + DSSERR("Failed to initialize DSS platform driver\n"); goto err_dss; } - r = rfbi_init(); - if (r) { - DSSERR("Failed to initialize rfbi\n"); - goto err_rfbi; - } + /* keep clocks enabled to prevent context saves/restores during init */ + dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK); - r = dpi_init(pdev); + r = rfbi_init_platform_driver(); if (r) { - DSSERR("Failed to initialize dpi\n"); - goto err_dpi; + DSSERR("Failed to initialize rfbi platform driver\n"); + goto err_rfbi; } - r = dispc_init(); + r = dispc_init_platform_driver(); if (r) { - DSSERR("Failed to initialize dispc\n"); + DSSERR("Failed to initialize dispc platform driver\n"); goto err_dispc; } - r = venc_init(pdev); + r = venc_init_platform_driver(); if (r) { - DSSERR("Failed to initialize venc\n"); + DSSERR("Failed to initialize venc platform driver\n"); goto err_venc; } - if (cpu_is_omap34xx()) { - r = sdi_init(skip_init); - if (r) { - DSSERR("Failed to initialize SDI\n"); - goto err_sdi; - } + r = dsi_init_platform_driver(); + if (r) { + DSSERR("Failed to initialize DSI platform driver\n"); + goto err_dsi; + } - r = dsi_init(pdev); - if (r) { - DSSERR("Failed to initialize DSI\n"); - goto err_dsi; - } + r = hdmi_init_platform_driver(); + if (r) { + DSSERR("Failed to initialize hdmi\n"); + goto err_hdmi; } r = dss_initialize_debugfs(); @@ -589,32 +237,25 @@ static int omap_dss_probe(struct platform_device *pdev) pdata->default_device = dssdev; } - dss_clk_disable_all(); + dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK); return 0; err_register: dss_uninitialize_debugfs(); err_debugfs: - if (cpu_is_omap34xx()) - dsi_exit(); + hdmi_uninit_platform_driver(); +err_hdmi: + dsi_uninit_platform_driver(); err_dsi: - if (cpu_is_omap34xx()) - sdi_exit(); -err_sdi: - venc_exit(); + venc_uninit_platform_driver(); err_venc: - dispc_exit(); + dispc_uninit_platform_driver(); err_dispc: - dpi_exit(); -err_dpi: - rfbi_exit(); + rfbi_uninit_platform_driver(); err_rfbi: - dss_exit(); + dss_uninit_platform_driver(); err_dss: - dss_clk_disable_all_no_ctx(); - dss_put_clocks(); -err_clocks: return r; } @@ -623,61 +264,15 @@ static int omap_dss_remove(struct platform_device *pdev) { struct omap_dss_board_info *pdata = pdev->dev.platform_data; int i; - int c; dss_uninitialize_debugfs(); - venc_exit(); - dispc_exit(); - dpi_exit(); - rfbi_exit(); - if (cpu_is_omap34xx()) { - dsi_exit(); - sdi_exit(); - } - - dss_exit(); - - /* these should be removed at some point */ - c = core.dss_ick->usecount; - if (c > 0) { - DSSERR("warning: dss_ick usecount %d, disabling\n", c); - while (c-- > 0) - clk_disable(core.dss_ick); - } - - c = core.dss1_fck->usecount; - if (c > 0) { - DSSERR("warning: dss1_fck usecount %d, disabling\n", c); - while (c-- > 0) - clk_disable(core.dss1_fck); - } - - c = core.dss2_fck->usecount; - if (c > 0) { - DSSERR("warning: dss2_fck usecount %d, disabling\n", c); - while (c-- > 0) - clk_disable(core.dss2_fck); - } - - c = core.dss_54m_fck->usecount; - if (c > 0) { - DSSERR("warning: dss_54m_fck usecount %d, disabling\n", c); - while (c-- > 0) - clk_disable(core.dss_54m_fck); - } - - if (core.dss_96m_fck) { - c = core.dss_96m_fck->usecount; - if (c > 0) { - DSSERR("warning: dss_96m_fck usecount %d, disabling\n", - c); - while (c-- > 0) - clk_disable(core.dss_96m_fck); - } - } - - dss_put_clocks(); + venc_uninit_platform_driver(); + dispc_uninit_platform_driver(); + rfbi_uninit_platform_driver(); + dsi_uninit_platform_driver(); + hdmi_uninit_platform_driver(); + dss_uninit_platform_driver(); dss_uninit_overlays(pdev); dss_uninit_overlay_managers(pdev); @@ -965,11 +560,6 @@ static void __exit omap_dss_exit(void) core.vdds_sdi_reg = NULL; } - if (core.vdda_dac_reg != NULL) { - regulator_put(core.vdda_dac_reg); - core.vdda_dac_reg = NULL; - } - platform_driver_unregister(&omap_dss_driver); omap_dss_bus_unregister(); diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c index 9f8c69f..7804779 100644 --- a/drivers/video/omap2/dss/dispc.c +++ b/drivers/video/omap2/dss/dispc.c @@ -32,6 +32,7 @@ #include <linux/delay.h> #include <linux/workqueue.h> #include <linux/hardirq.h> +#include <linux/interrupt.h> #include <plat/sram.h> #include <plat/clock.h> @@ -42,8 +43,6 @@ #include "dss_features.h" /* DISPC */ -#define DISPC_BASE 0x48050400 - #define DISPC_SZ_REGS SZ_4K struct dispc_reg { u16 idx; }; @@ -74,7 +73,7 @@ struct dispc_reg { u16 idx; }; #define DISPC_TIMING_H(ch) DISPC_REG(ch != 2 ? 0x0064 : 0x0400) #define DISPC_TIMING_V(ch) DISPC_REG(ch != 2 ? 0x0068 : 0x0404) #define DISPC_POL_FREQ(ch) DISPC_REG(ch != 2 ? 0x006C : 0x0408) -#define DISPC_DIVISOR(ch) DISPC_REG(ch != 2 ? 0x0070 : 0x040C) +#define DISPC_DIVISORo(ch) DISPC_REG(ch != 2 ? 0x0070 : 0x040C) #define DISPC_GLOBAL_ALPHA DISPC_REG(0x0074) #define DISPC_SIZE_DIG DISPC_REG(0x0078) #define DISPC_SIZE_LCD(ch) DISPC_REG(ch != 2 ? 0x007C : 0x03CC) @@ -129,6 +128,7 @@ struct dispc_reg { u16 idx; }; #define DISPC_VID_PRELOAD(n) DISPC_REG(0x230 + (n)*0x04) +#define DISPC_DIVISOR DISPC_REG(0x0804) #define DISPC_IRQ_MASK_ERROR (DISPC_IRQ_GFX_FIFO_UNDERFLOW | \ DISPC_IRQ_OCP_ERR | \ @@ -178,7 +178,9 @@ struct dispc_irq_stats { }; static struct { + struct platform_device *pdev; void __iomem *base; + int irq; u32 fifo_size[3]; @@ -230,7 +232,7 @@ void dispc_save_context(void) SR(TIMING_H(0)); SR(TIMING_V(0)); SR(POL_FREQ(0)); - SR(DIVISOR(0)); + SR(DIVISORo(0)); SR(GLOBAL_ALPHA); SR(SIZE_DIG); SR(SIZE_LCD(0)); @@ -242,7 +244,7 @@ void dispc_save_context(void) SR(TIMING_H(2)); SR(TIMING_V(2)); SR(POL_FREQ(2)); - SR(DIVISOR(2)); + SR(DIVISORo(2)); SR(CONFIG2); } @@ -373,6 +375,9 @@ void dispc_save_context(void) SR(VID_FIR_COEF_V(1, 7)); SR(VID_PRELOAD(1)); + + if (dss_has_feature(FEAT_CORE_CLK_DIV)) + SR(DIVISOR); } void dispc_restore_context(void) @@ -389,7 +394,7 @@ void dispc_restore_context(void) RR(TIMING_H(0)); RR(TIMING_V(0)); RR(POL_FREQ(0)); - RR(DIVISOR(0)); + RR(DIVISORo(0)); RR(GLOBAL_ALPHA); RR(SIZE_DIG); RR(SIZE_LCD(0)); @@ -400,7 +405,7 @@ void dispc_restore_context(void) RR(TIMING_H(2)); RR(TIMING_V(2)); RR(POL_FREQ(2)); - RR(DIVISOR(2)); + RR(DIVISORo(2)); RR(CONFIG2); } @@ -532,6 +537,9 @@ void dispc_restore_context(void) RR(VID_PRELOAD(1)); + if (dss_has_feature(FEAT_CORE_CLK_DIV)) + RR(DIVISOR); + /* enable last, because LCD & DIGIT enable are here */ RR(CONTROL); if (dss_has_feature(FEAT_MGR_LCD2)) @@ -552,9 +560,9 @@ void dispc_restore_context(void) static inline void enable_clocks(bool enable) { if (enable) - dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK1); + dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK); else - dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK1); + dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK); } bool dispc_go_busy(enum omap_channel channel) @@ -1000,6 +1008,20 @@ void dispc_set_burst_size(enum omap_plane plane, enable_clocks(0); } +void dispc_enable_gamma_table(bool enable) +{ + /* + * This is partially implemented to support only disabling of + * the gamma table. + */ + if (enable) { + DSSWARN("Gamma table enabling for TV not yet supported"); + return; + } + + REG_FLD_MOD(DISPC_CONFIG, enable, 9, 9); +} + static void _dispc_set_vid_color_conv(enum omap_plane plane, bool enable) { u32 val; @@ -1129,10 +1151,16 @@ static void _dispc_set_vid_accu0(enum omap_plane plane, int haccu, int vaccu) u32 val; const struct dispc_reg ac0_reg[] = { DISPC_VID_ACCU0(0), DISPC_VID_ACCU0(1) }; + u8 hor_start, hor_end, vert_start, vert_end; BUG_ON(plane == OMAP_DSS_GFX); - val = FLD_VAL(vaccu, 25, 16) | FLD_VAL(haccu, 9, 0); + dss_feat_get_reg_field(FEAT_REG_HORIZONTALACCU, &hor_start, &hor_end); + dss_feat_get_reg_field(FEAT_REG_VERTICALACCU, &vert_start, &vert_end); + + val = FLD_VAL(vaccu, vert_start, vert_end) | + FLD_VAL(haccu, hor_start, hor_end); + dispc_write_reg(ac0_reg[plane-1], val); } @@ -1141,10 +1169,16 @@ static void _dispc_set_vid_accu1(enum omap_plane plane, int haccu, int vaccu) u32 val; const struct dispc_reg ac1_reg[] = { DISPC_VID_ACCU1(0), DISPC_VID_ACCU1(1) }; + u8 hor_start, hor_end, vert_start, vert_end; BUG_ON(plane == OMAP_DSS_GFX); - val = FLD_VAL(vaccu, 25, 16) | FLD_VAL(haccu, 9, 0); + dss_feat_get_reg_field(FEAT_REG_HORIZONTALACCU, &hor_start, &hor_end); + dss_feat_get_reg_field(FEAT_REG_VERTICALACCU, &vert_start, &vert_end); + + val = FLD_VAL(vaccu, vert_start, vert_end) | + FLD_VAL(haccu, hor_start, hor_end); + dispc_write_reg(ac1_reg[plane-1], val); } @@ -1182,16 +1216,25 @@ static void _dispc_set_scaling(enum omap_plane plane, _dispc_set_fir(plane, fir_hinc, fir_vinc); l = dispc_read_reg(dispc_reg_att[plane]); - l &= ~((0x0f << 5) | (0x3 << 21)); + /* RESIZEENABLE and VERTICALTAPS */ + l &= ~((0x3 << 5) | (0x1 << 21)); l |= fir_hinc ? (1 << 5) : 0; l |= fir_vinc ? (1 << 6) : 0; + l |= five_taps ? (1 << 21) : 0; - l |= hscaleup ? 0 : (1 << 7); - l |= vscaleup ? 0 : (1 << 8); + /* VRESIZECONF and HRESIZECONF */ + if (dss_has_feature(FEAT_RESIZECONF)) { + l &= ~(0x3 << 7); + l |= hscaleup ? 0 : (1 << 7); + l |= vscaleup ? 0 : (1 << 8); + } - l |= five_taps ? (1 << 21) : 0; - l |= five_taps ? (1 << 22) : 0; + /* LINEBUFFERSPLIT */ + if (dss_has_feature(FEAT_LINEBUFFERSPLIT)) { + l &= ~(0x1 << 22); + l |= five_taps ? (1 << 22) : 0; + } dispc_write_reg(dispc_reg_att[plane], l); @@ -1215,9 +1258,11 @@ static void _dispc_set_scaling(enum omap_plane plane, static void _dispc_set_rotation_attrs(enum omap_plane plane, u8 rotation, bool mirroring, enum omap_color_mode color_mode) { + bool row_repeat = false; + int vidrot = 0; + if (color_mode == OMAP_DSS_COLOR_YUV2 || color_mode == OMAP_DSS_COLOR_UYVY) { - int vidrot = 0; if (mirroring) { switch (rotation) { @@ -1251,16 +1296,15 @@ static void _dispc_set_rotation_attrs(enum omap_plane plane, u8 rotation, } } - REG_FLD_MOD(dispc_reg_att[plane], vidrot, 13, 12); - if (rotation == OMAP_DSS_ROT_90 || rotation == OMAP_DSS_ROT_270) - REG_FLD_MOD(dispc_reg_att[plane], 0x1, 18, 18); + row_repeat = true; else - REG_FLD_MOD(dispc_reg_att[plane], 0x0, 18, 18); - } else { - REG_FLD_MOD(dispc_reg_att[plane], 0, 13, 12); - REG_FLD_MOD(dispc_reg_att[plane], 0, 18, 18); + row_repeat = false; } + + REG_FLD_MOD(dispc_reg_att[plane], vidrot, 13, 12); + if (dss_has_feature(FEAT_ROWREPEATENABLE)) + REG_FLD_MOD(dispc_reg_att[plane], row_repeat ? 1 : 0, 18, 18); } static int color_mode_to_bpp(enum omap_color_mode color_mode) @@ -2293,7 +2337,7 @@ static void dispc_set_lcd_divisor(enum omap_channel channel, u16 lck_div, BUG_ON(pck_div < 2); enable_clocks(1); - dispc_write_reg(DISPC_DIVISOR(channel), + dispc_write_reg(DISPC_DIVISORo(channel), FLD_VAL(lck_div, 23, 16) | FLD_VAL(pck_div, 7, 0)); enable_clocks(0); } @@ -2302,7 +2346,7 @@ static void dispc_get_lcd_divisor(enum omap_channel channel, int *lck_div, int *pck_div) { u32 l; - l = dispc_read_reg(DISPC_DIVISOR(channel)); + l = dispc_read_reg(DISPC_DIVISORo(channel)); *lck_div = FLD_GET(l, 23, 16); *pck_div = FLD_GET(l, 7, 0); } @@ -2311,14 +2355,17 @@ unsigned long dispc_fclk_rate(void) { unsigned long r = 0; - if (dss_get_dispc_clk_source() == DSS_SRC_DSS1_ALWON_FCLK) - r = dss_clk_get_rate(DSS_CLK_FCK1); - else -#ifdef CONFIG_OMAP2_DSS_DSI - r = dsi_get_dsi1_pll_rate(); -#else - BUG(); -#endif + switch (dss_get_dispc_clk_source()) { + case DSS_CLK_SRC_FCK: + r = dss_clk_get_rate(DSS_CLK_FCK); + break; + case DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC: + r = dsi_get_pll_hsdiv_dispc_rate(); + break; + default: + BUG(); + } + return r; } @@ -2328,47 +2375,72 @@ unsigned long dispc_lclk_rate(enum omap_channel channel) unsigned long r; u32 l; - l = dispc_read_reg(DISPC_DIVISOR(channel)); + l = dispc_read_reg(DISPC_DIVISORo(channel)); lcd = FLD_GET(l, 23, 16); - r = dispc_fclk_rate(); + switch (dss_get_lcd_clk_source(channel)) { + case DSS_CLK_SRC_FCK: + r = dss_clk_get_rate(DSS_CLK_FCK); + break; + case DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC: + r = dsi_get_pll_hsdiv_dispc_rate(); + break; + default: + BUG(); + } return r / lcd; } unsigned long dispc_pclk_rate(enum omap_channel channel) { - int lcd, pcd; + int pcd; unsigned long r; u32 l; - l = dispc_read_reg(DISPC_DIVISOR(channel)); + l = dispc_read_reg(DISPC_DIVISORo(channel)); - lcd = FLD_GET(l, 23, 16); pcd = FLD_GET(l, 7, 0); - r = dispc_fclk_rate(); + r = dispc_lclk_rate(channel); - return r / lcd / pcd; + return r / pcd; } void dispc_dump_clocks(struct seq_file *s) { int lcd, pcd; + u32 l; + enum dss_clk_source dispc_clk_src = dss_get_dispc_clk_source(); + enum dss_clk_source lcd_clk_src; enable_clocks(1); seq_printf(s, "- DISPC -\n"); - seq_printf(s, "dispc fclk source = %s\n", - dss_get_dispc_clk_source() == DSS_SRC_DSS1_ALWON_FCLK ? - "dss1_alwon_fclk" : "dsi1_pll_fclk"); + seq_printf(s, "dispc fclk source = %s (%s)\n", + dss_get_generic_clk_source_name(dispc_clk_src), + dss_feat_get_clk_source_name(dispc_clk_src)); seq_printf(s, "fck\t\t%-16lu\n", dispc_fclk_rate()); + if (dss_has_feature(FEAT_CORE_CLK_DIV)) { + seq_printf(s, "- DISPC-CORE-CLK -\n"); + l = dispc_read_reg(DISPC_DIVISOR); + lcd = FLD_GET(l, 23, 16); + + seq_printf(s, "lck\t\t%-16lulck div\t%u\n", + (dispc_fclk_rate()/lcd), lcd); + } seq_printf(s, "- LCD1 -\n"); + lcd_clk_src = dss_get_lcd_clk_source(OMAP_DSS_CHANNEL_LCD); + + seq_printf(s, "lcd1_clk source = %s (%s)\n", + dss_get_generic_clk_source_name(lcd_clk_src), + dss_feat_get_clk_source_name(lcd_clk_src)); + dispc_get_lcd_divisor(OMAP_DSS_CHANNEL_LCD, &lcd, &pcd); seq_printf(s, "lck\t\t%-16lulck div\t%u\n", @@ -2378,6 +2450,12 @@ void dispc_dump_clocks(struct seq_file *s) if (dss_has_feature(FEAT_MGR_LCD2)) { seq_printf(s, "- LCD2 -\n"); + lcd_clk_src = dss_get_lcd_clk_source(OMAP_DSS_CHANNEL_LCD2); + + seq_printf(s, "lcd2_clk source = %s (%s)\n", + dss_get_generic_clk_source_name(lcd_clk_src), + dss_feat_get_clk_source_name(lcd_clk_src)); + dispc_get_lcd_divisor(OMAP_DSS_CHANNEL_LCD2, &lcd, &pcd); seq_printf(s, "lck\t\t%-16lulck div\t%u\n", @@ -2440,7 +2518,7 @@ void dispc_dump_regs(struct seq_file *s) { #define DUMPREG(r) seq_printf(s, "%-35s %08x\n", #r, dispc_read_reg(r)) - dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK1); + dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK); DUMPREG(DISPC_REVISION); DUMPREG(DISPC_SYSCONFIG); @@ -2459,7 +2537,7 @@ void dispc_dump_regs(struct seq_file *s) DUMPREG(DISPC_TIMING_H(0)); DUMPREG(DISPC_TIMING_V(0)); DUMPREG(DISPC_POL_FREQ(0)); - DUMPREG(DISPC_DIVISOR(0)); + DUMPREG(DISPC_DIVISORo(0)); DUMPREG(DISPC_GLOBAL_ALPHA); DUMPREG(DISPC_SIZE_DIG); DUMPREG(DISPC_SIZE_LCD(0)); @@ -2471,7 +2549,7 @@ void dispc_dump_regs(struct seq_file *s) DUMPREG(DISPC_TIMING_H(2)); DUMPREG(DISPC_TIMING_V(2)); DUMPREG(DISPC_POL_FREQ(2)); - DUMPREG(DISPC_DIVISOR(2)); + DUMPREG(DISPC_DIVISORo(2)); DUMPREG(DISPC_SIZE_LCD(2)); } @@ -2597,7 +2675,7 @@ void dispc_dump_regs(struct seq_file *s) DUMPREG(DISPC_VID_PRELOAD(0)); DUMPREG(DISPC_VID_PRELOAD(1)); - dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK1); + dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK); #undef DUMPREG } @@ -2713,8 +2791,8 @@ int dispc_get_clock_div(enum omap_channel channel, fck = dispc_fclk_rate(); - cinfo->lck_div = REG_GET(DISPC_DIVISOR(channel), 23, 16); - cinfo->pck_div = REG_GET(DISPC_DIVISOR(channel), 7, 0); + cinfo->lck_div = REG_GET(DISPC_DIVISORo(channel), 23, 16); + cinfo->pck_div = REG_GET(DISPC_DIVISORo(channel), 7, 0); cinfo->lck = fck / cinfo->lck_div; cinfo->pck = cinfo->lck / cinfo->pck_div; @@ -2791,6 +2869,9 @@ int omap_dispc_register_isr(omap_dispc_isr_t isr, void *arg, u32 mask) break; } + if (ret) + goto err; + _omap_dispc_set_irqs(); spin_unlock_irqrestore(&dispc.irq_lock, flags); @@ -2866,10 +2947,10 @@ static void print_irq_status(u32 status) * but we presume they are on because we got an IRQ. However, * an irq handler may turn the clocks off, so we may not have * clock later in the function. */ -void dispc_irq_handler(void) +static irqreturn_t omap_dispc_irq_handler(int irq, void *arg) { int i; - u32 irqstatus; + u32 irqstatus, irqenable; u32 handledirqs = 0; u32 unhandled_errors; struct omap_dispc_isr_data *isr_data; @@ -2878,6 +2959,13 @@ void dispc_irq_handler(void) spin_lock(&dispc.irq_lock); irqstatus = dispc_read_reg(DISPC_IRQSTATUS); + irqenable = dispc_read_reg(DISPC_IRQENABLE); + + /* IRQ is not for us */ + if (!(irqstatus & irqenable)) { + spin_unlock(&dispc.irq_lock); + return IRQ_NONE; + } #ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS spin_lock(&dispc.irq_stats_lock); @@ -2929,6 +3017,8 @@ void dispc_irq_handler(void) } spin_unlock(&dispc.irq_lock); + + return IRQ_HANDLED; } static void dispc_error_worker(struct work_struct *work) @@ -3253,6 +3343,15 @@ static void _omap_dispc_initial_config(void) l = FLD_MOD(l, 1, 0, 0); /* AUTOIDLE */ dispc_write_reg(DISPC_SYSCONFIG, l); + /* Exclusively enable DISPC_CORE_CLK and set divider to 1 */ + if (dss_has_feature(FEAT_CORE_CLK_DIV)) { + l = dispc_read_reg(DISPC_DIVISOR); + /* Use DISPC_DIVISOR.LCD, instead of DISPC_DIVISOR1.LCD */ + l = FLD_MOD(l, 1, 0, 0); + l = FLD_MOD(l, 1, 23, 16); + dispc_write_reg(DISPC_DIVISOR, l); + } + /* FUNCGATED */ if (dss_has_feature(FEAT_FUNCGATED)) REG_FLD_MOD(DISPC_CONFIG, 1, 9, 9); @@ -3269,47 +3368,6 @@ static void _omap_dispc_initial_config(void) dispc_read_plane_fifo_sizes(); } -int dispc_init(void) -{ - u32 rev; - - spin_lock_init(&dispc.irq_lock); - -#ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS - spin_lock_init(&dispc.irq_stats_lock); - dispc.irq_stats.last_reset = jiffies; -#endif - - INIT_WORK(&dispc.error_work, dispc_error_worker); - - dispc.base = ioremap(DISPC_BASE, DISPC_SZ_REGS); - if (!dispc.base) { - DSSERR("can't ioremap DISPC\n"); - return -ENOMEM; - } - - enable_clocks(1); - - _omap_dispc_initial_config(); - - _omap_dispc_initialize_irq(); - - dispc_save_context(); - - rev = dispc_read_reg(DISPC_REVISION); - printk(KERN_INFO "OMAP DISPC rev %d.%d\n", - FLD_GET(rev, 7, 4), FLD_GET(rev, 3, 0)); - - enable_clocks(0); - - return 0; -} - -void dispc_exit(void) -{ - iounmap(dispc.base); -} - int dispc_enable_plane(enum omap_plane plane, bool enable) { DSSDBG("dispc_enable_plane %d, %d\n", plane, enable); @@ -3359,3 +3417,94 @@ int dispc_setup_plane(enum omap_plane plane, return r; } + +/* DISPC HW IP initialisation */ +static int omap_dispchw_probe(struct platform_device *pdev) +{ + u32 rev; + int r = 0; + struct resource *dispc_mem; + + dispc.pdev = pdev; + + spin_lock_init(&dispc.irq_lock); + +#ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS + spin_lock_init(&dispc.irq_stats_lock); + dispc.irq_stats.last_reset = jiffies; +#endif + + INIT_WORK(&dispc.error_work, dispc_error_worker); + + dispc_mem = platform_get_resource(dispc.pdev, IORESOURCE_MEM, 0); + if (!dispc_mem) { + DSSERR("can't get IORESOURCE_MEM DISPC\n"); + r = -EINVAL; + goto fail0; + } + dispc.base = ioremap(dispc_mem->start, resource_size(dispc_mem)); + if (!dispc.base) { + DSSERR("can't ioremap DISPC\n"); + r = -ENOMEM; + goto fail0; + } + dispc.irq = platform_get_irq(dispc.pdev, 0); + if (dispc.irq < 0) { + DSSERR("platform_get_irq failed\n"); + r = -ENODEV; + goto fail1; + } + + r = request_irq(dispc.irq, omap_dispc_irq_handler, IRQF_SHARED, + "OMAP DISPC", dispc.pdev); + if (r < 0) { + DSSERR("request_irq failed\n"); + goto fail1; + } + + enable_clocks(1); + + _omap_dispc_initial_config(); + + _omap_dispc_initialize_irq(); + + dispc_save_context(); + + rev = dispc_read_reg(DISPC_REVISION); + dev_dbg(&pdev->dev, "OMAP DISPC rev %d.%d\n", + FLD_GET(rev, 7, 4), FLD_GET(rev, 3, 0)); + + enable_clocks(0); + + return 0; +fail1: + iounmap(dispc.base); +fail0: + return r; +} + +static int omap_dispchw_remove(struct platform_device *pdev) +{ + free_irq(dispc.irq, dispc.pdev); + iounmap(dispc.base); + return 0; +} + +static struct platform_driver omap_dispchw_driver = { + .probe = omap_dispchw_probe, + .remove = omap_dispchw_remove, + .driver = { + .name = "omapdss_dispc", + .owner = THIS_MODULE, + }, +}; + +int dispc_init_platform_driver(void) +{ + return platform_driver_register(&omap_dispchw_driver); +} + +void dispc_uninit_platform_driver(void) +{ + return platform_driver_unregister(&omap_dispchw_driver); +} diff --git a/drivers/video/omap2/dss/display.c b/drivers/video/omap2/dss/display.c index 22dd7a4..a85a6f3 100644 --- a/drivers/video/omap2/dss/display.c +++ b/drivers/video/omap2/dss/display.c @@ -25,14 +25,11 @@ #include <linux/kernel.h> #include <linux/module.h> #include <linux/jiffies.h> -#include <linux/list.h> #include <linux/platform_device.h> #include <plat/display.h> #include "dss.h" -static LIST_HEAD(display_list); - static ssize_t display_enabled_show(struct device *dev, struct device_attribute *attr, char *buf) { @@ -345,6 +342,7 @@ int omapdss_default_get_recommended_bpp(struct omap_dss_device *dssdev) return 16; case OMAP_DISPLAY_TYPE_VENC: case OMAP_DISPLAY_TYPE_SDI: + case OMAP_DISPLAY_TYPE_HDMI: return 24; default: BUG(); @@ -371,6 +369,7 @@ bool dss_use_replication(struct omap_dss_device *dssdev, case OMAP_DISPLAY_TYPE_DPI: bpp = dssdev->phy.dpi.data_lines; break; + case OMAP_DISPLAY_TYPE_HDMI: case OMAP_DISPLAY_TYPE_VENC: case OMAP_DISPLAY_TYPE_SDI: bpp = 24; @@ -396,29 +395,6 @@ void dss_init_device(struct platform_device *pdev, switch (dssdev->type) { #ifdef CONFIG_OMAP2_DSS_DPI case OMAP_DISPLAY_TYPE_DPI: -#endif -#ifdef CONFIG_OMAP2_DSS_RFBI - case OMAP_DISPLAY_TYPE_DBI: -#endif -#ifdef CONFIG_OMAP2_DSS_SDI - case OMAP_DISPLAY_TYPE_SDI: -#endif -#ifdef CONFIG_OMAP2_DSS_DSI - case OMAP_DISPLAY_TYPE_DSI: -#endif -#ifdef CONFIG_OMAP2_DSS_VENC - case OMAP_DISPLAY_TYPE_VENC: -#endif - break; - default: - DSSERR("Support for display '%s' not compiled in.\n", - dssdev->name); - return; - } - - switch (dssdev->type) { -#ifdef CONFIG_OMAP2_DSS_DPI - case OMAP_DISPLAY_TYPE_DPI: r = dpi_init_display(dssdev); break; #endif @@ -442,8 +418,13 @@ void dss_init_device(struct platform_device *pdev, r = dsi_init_display(dssdev); break; #endif + case OMAP_DISPLAY_TYPE_HDMI: + r = hdmi_init_display(dssdev); + break; default: - BUG(); + DSSERR("Support for display '%s' not compiled in.\n", + dssdev->name); + return; } if (r) { diff --git a/drivers/video/omap2/dss/dpi.c b/drivers/video/omap2/dss/dpi.c index 75fb0a5..2d3ca4c 100644 --- a/drivers/video/omap2/dss/dpi.c +++ b/drivers/video/omap2/dss/dpi.c @@ -57,13 +57,13 @@ static int dpi_set_dsi_clk(struct omap_dss_device *dssdev, bool is_tft, if (r) return r; - dss_select_dispc_clk_source(DSS_SRC_DSI1_PLL_FCLK); + dss_select_dispc_clk_source(DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC); r = dispc_set_clock_div(dssdev->manager->id, &dispc_cinfo); if (r) return r; - *fck = dsi_cinfo.dsi1_pll_fclk; + *fck = dsi_cinfo.dsi_pll_hsdiv_dispc_clk; *lck_div = dispc_cinfo.lck_div; *pck_div = dispc_cinfo.pck_div; @@ -107,7 +107,7 @@ static int dpi_set_mode(struct omap_dss_device *dssdev) bool is_tft; int r = 0; - dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK1); + dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK); dispc_set_pol_freq(dssdev->manager->id, dssdev->panel.config, dssdev->panel.acbi, dssdev->panel.acb); @@ -137,7 +137,7 @@ static int dpi_set_mode(struct omap_dss_device *dssdev) dispc_set_lcd_timings(dssdev->manager->id, t); err0: - dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK1); + dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK); return r; } @@ -173,14 +173,14 @@ int omapdss_dpi_display_enable(struct omap_dss_device *dssdev) goto err1; } - dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK1); + dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK); r = dpi_basic_init(dssdev); if (r) goto err2; #ifdef CONFIG_OMAP2_DSS_USE_DSI_PLL - dss_clk_enable(DSS_CLK_FCK2); + dss_clk_enable(DSS_CLK_SYSCK); r = dsi_pll_init(dssdev, 0, 1); if (r) goto err3; @@ -199,10 +199,10 @@ err4: #ifdef CONFIG_OMAP2_DSS_USE_DSI_PLL dsi_pll_uninit(); err3: - dss_clk_disable(DSS_CLK_FCK2); + dss_clk_disable(DSS_CLK_SYSCK); #endif err2: - dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK1); + dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK); if (cpu_is_omap34xx()) regulator_disable(dpi.vdds_dsi_reg); err1: @@ -217,12 +217,12 @@ void omapdss_dpi_display_disable(struct omap_dss_device *dssdev) dssdev->manager->disable(dssdev->manager); #ifdef CONFIG_OMAP2_DSS_USE_DSI_PLL - dss_select_dispc_clk_source(DSS_SRC_DSS1_ALWON_FCLK); + dss_select_dispc_clk_source(DSS_CLK_SRC_FCK); dsi_pll_uninit(); - dss_clk_disable(DSS_CLK_FCK2); + dss_clk_disable(DSS_CLK_SYSCK); #endif - dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK1); + dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK); if (cpu_is_omap34xx()) regulator_disable(dpi.vdds_dsi_reg); @@ -271,7 +271,7 @@ int dpi_check_timings(struct omap_dss_device *dssdev, if (r) return r; - fck = dsi_cinfo.dsi1_pll_fclk; + fck = dsi_cinfo.dsi_pll_hsdiv_dispc_clk; lck_div = dispc_cinfo.lck_div; pck_div = dispc_cinfo.pck_div; } @@ -303,22 +303,27 @@ int dpi_init_display(struct omap_dss_device *dssdev) { DSSDBG("init_display\n"); - return 0; -} + if (cpu_is_omap34xx() && dpi.vdds_dsi_reg == NULL) { + struct regulator *vdds_dsi; -int dpi_init(struct platform_device *pdev) -{ - if (cpu_is_omap34xx()) { - dpi.vdds_dsi_reg = dss_get_vdds_dsi(); - if (IS_ERR(dpi.vdds_dsi_reg)) { + vdds_dsi = dss_get_vdds_dsi(); + + if (IS_ERR(vdds_dsi)) { DSSERR("can't get VDDS_DSI regulator\n"); - return PTR_ERR(dpi.vdds_dsi_reg); + return PTR_ERR(vdds_dsi); } + + dpi.vdds_dsi_reg = vdds_dsi; } return 0; } +int dpi_init(void) +{ + return 0; +} + void dpi_exit(void) { } diff --git a/drivers/video/omap2/dss/dsi.c b/drivers/video/omap2/dss/dsi.c index ddf3a05..0a7f1a4 100644 --- a/drivers/video/omap2/dss/dsi.c +++ b/drivers/video/omap2/dss/dsi.c @@ -38,12 +38,11 @@ #include <plat/clock.h> #include "dss.h" +#include "dss_features.h" /*#define VERBOSE_IRQ*/ #define DSI_CATCH_MISSING_TE -#define DSI_BASE 0x4804FC00 - struct dsi_reg { u16 idx; }; #define DSI_REG(idx) ((const struct dsi_reg) { idx }) @@ -186,13 +185,15 @@ struct dsi_reg { u16 idx; }; #define DSI_DT_RX_SHORT_READ_1 0x21 #define DSI_DT_RX_SHORT_READ_2 0x22 -#define FINT_MAX 2100000 -#define FINT_MIN 750000 -#define REGN_MAX (1 << 7) -#define REGM_MAX ((1 << 11) - 1) -#define REGM3_MAX (1 << 4) -#define REGM4_MAX (1 << 4) -#define LP_DIV_MAX ((1 << 13) - 1) +typedef void (*omap_dsi_isr_t) (void *arg, u32 mask); + +#define DSI_MAX_NR_ISRS 2 + +struct dsi_isr_data { + omap_dsi_isr_t isr; + void *arg; + u32 mask; +}; enum fifo_size { DSI_FIFO_SIZE_0 = 0, @@ -220,9 +221,17 @@ struct dsi_irq_stats { unsigned cio_irqs[32]; }; +struct dsi_isr_tables { + struct dsi_isr_data isr_table[DSI_MAX_NR_ISRS]; + struct dsi_isr_data isr_table_vc[4][DSI_MAX_NR_ISRS]; + struct dsi_isr_data isr_table_cio[DSI_MAX_NR_ISRS]; +}; + static struct { + struct platform_device *pdev; void __iomem *base; + int irq; struct dsi_clock_info current_cinfo; @@ -232,6 +241,7 @@ static struct enum dsi_vc_mode mode; struct omap_dss_device *dssdev; enum fifo_size fifo_size; + int vc_id; } vc[4]; struct mutex lock; @@ -239,8 +249,10 @@ static struct unsigned pll_locked; - struct completion bta_completion; - void (*bta_callback)(void); + spinlock_t irq_lock; + struct dsi_isr_tables isr_tables; + /* space for a copy used by the interrupt handler */ + struct dsi_isr_tables isr_tables_copy; int update_channel; struct dsi_update_region update_region; @@ -275,6 +287,11 @@ static struct spinlock_t irq_stats_lock; struct dsi_irq_stats irq_stats; #endif + /* DSI PLL Parameter Ranges */ + unsigned long regm_max, regn_max; + unsigned long regm_dispc_max, regm_dsi_max; + unsigned long fint_min, fint_max; + unsigned long lpdiv_max; } dsi; #ifdef DEBUG @@ -318,6 +335,11 @@ static bool dsi_bus_is_locked(void) return dsi.bus_lock.count == 0; } +static void dsi_completion_handler(void *data, u32 mask) +{ + complete((struct completion *)data); +} + static inline int wait_for_bit_change(const struct dsi_reg idx, int bitnum, int value) { @@ -387,6 +409,9 @@ static void dsi_perf_show(const char *name) static void print_irq_status(u32 status) { + if (status == 0) + return; + #ifndef VERBOSE_IRQ if ((status & ~DSI_IRQ_CHANNEL_MASK) == 0) return; @@ -422,6 +447,9 @@ static void print_irq_status(u32 status) static void print_irq_status_vc(int channel, u32 status) { + if (status == 0) + return; + #ifndef VERBOSE_IRQ if ((status & ~DSI_VC_IRQ_PACKET_SENT) == 0) return; @@ -448,6 +476,9 @@ static void print_irq_status_vc(int channel, u32 status) static void print_irq_status_cio(u32 status) { + if (status == 0) + return; + printk(KERN_DEBUG "DSI CIO IRQ 0x%x: ", status); #define PIS(x) \ @@ -478,22 +509,33 @@ static void print_irq_status_cio(u32 status) printk("\n"); } -static int debug_irq; - -/* called from dss */ -void dsi_irq_handler(void) +#ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS +static void dsi_collect_irq_stats(u32 irqstatus, u32 *vcstatus, u32 ciostatus) { - u32 irqstatus, vcstatus, ciostatus; int i; - irqstatus = dsi_read_reg(DSI_IRQSTATUS); - -#ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS spin_lock(&dsi.irq_stats_lock); + dsi.irq_stats.irq_count++; dss_collect_irq_stats(irqstatus, dsi.irq_stats.dsi_irqs); + + for (i = 0; i < 4; ++i) + dss_collect_irq_stats(vcstatus[i], dsi.irq_stats.vc_irqs[i]); + + dss_collect_irq_stats(ciostatus, dsi.irq_stats.cio_irqs); + + spin_unlock(&dsi.irq_stats_lock); +} +#else +#define dsi_collect_irq_stats(irqstatus, vcstatus, ciostatus) #endif +static int debug_irq; + +static void dsi_handle_irq_errors(u32 irqstatus, u32 *vcstatus, u32 ciostatus) +{ + int i; + if (irqstatus & DSI_IRQ_ERROR_MASK) { DSSERR("DSI error, irqstatus %x\n", irqstatus); print_irq_status(irqstatus); @@ -504,37 +546,88 @@ void dsi_irq_handler(void) print_irq_status(irqstatus); } -#ifdef DSI_CATCH_MISSING_TE - if (irqstatus & DSI_IRQ_TE_TRIGGER) - del_timer(&dsi.te_timer); -#endif + for (i = 0; i < 4; ++i) { + if (vcstatus[i] & DSI_VC_IRQ_ERROR_MASK) { + DSSERR("DSI VC(%d) error, vc irqstatus %x\n", + i, vcstatus[i]); + print_irq_status_vc(i, vcstatus[i]); + } else if (debug_irq) { + print_irq_status_vc(i, vcstatus[i]); + } + } + + if (ciostatus & DSI_CIO_IRQ_ERROR_MASK) { + DSSERR("DSI CIO error, cio irqstatus %x\n", ciostatus); + print_irq_status_cio(ciostatus); + } else if (debug_irq) { + print_irq_status_cio(ciostatus); + } +} + +static void dsi_call_isrs(struct dsi_isr_data *isr_array, + unsigned isr_array_size, u32 irqstatus) +{ + struct dsi_isr_data *isr_data; + int i; + + for (i = 0; i < isr_array_size; i++) { + isr_data = &isr_array[i]; + if (isr_data->isr && isr_data->mask & irqstatus) + isr_data->isr(isr_data->arg, irqstatus); + } +} + +static void dsi_handle_isrs(struct dsi_isr_tables *isr_tables, + u32 irqstatus, u32 *vcstatus, u32 ciostatus) +{ + int i; + + dsi_call_isrs(isr_tables->isr_table, + ARRAY_SIZE(isr_tables->isr_table), + irqstatus); for (i = 0; i < 4; ++i) { - if ((irqstatus & (1<<i)) == 0) + if (vcstatus[i] == 0) continue; + dsi_call_isrs(isr_tables->isr_table_vc[i], + ARRAY_SIZE(isr_tables->isr_table_vc[i]), + vcstatus[i]); + } - vcstatus = dsi_read_reg(DSI_VC_IRQSTATUS(i)); + if (ciostatus != 0) + dsi_call_isrs(isr_tables->isr_table_cio, + ARRAY_SIZE(isr_tables->isr_table_cio), + ciostatus); +} -#ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS - dss_collect_irq_stats(vcstatus, dsi.irq_stats.vc_irqs[i]); -#endif +static irqreturn_t omap_dsi_irq_handler(int irq, void *arg) +{ + u32 irqstatus, vcstatus[4], ciostatus; + int i; - if (vcstatus & DSI_VC_IRQ_BTA) { - complete(&dsi.bta_completion); + spin_lock(&dsi.irq_lock); - if (dsi.bta_callback) - dsi.bta_callback(); - } + irqstatus = dsi_read_reg(DSI_IRQSTATUS); - if (vcstatus & DSI_VC_IRQ_ERROR_MASK) { - DSSERR("DSI VC(%d) error, vc irqstatus %x\n", - i, vcstatus); - print_irq_status_vc(i, vcstatus); - } else if (debug_irq) { - print_irq_status_vc(i, vcstatus); + /* IRQ is not for us */ + if (!irqstatus) { + spin_unlock(&dsi.irq_lock); + return IRQ_NONE; + } + + dsi_write_reg(DSI_IRQSTATUS, irqstatus & ~DSI_IRQ_CHANNEL_MASK); + /* flush posted write */ + dsi_read_reg(DSI_IRQSTATUS); + + for (i = 0; i < 4; ++i) { + if ((irqstatus & (1 << i)) == 0) { + vcstatus[i] = 0; + continue; } - dsi_write_reg(DSI_VC_IRQSTATUS(i), vcstatus); + vcstatus[i] = dsi_read_reg(DSI_VC_IRQSTATUS(i)); + + dsi_write_reg(DSI_VC_IRQSTATUS(i), vcstatus[i]); /* flush posted write */ dsi_read_reg(DSI_VC_IRQSTATUS(i)); } @@ -542,117 +635,307 @@ void dsi_irq_handler(void) if (irqstatus & DSI_IRQ_COMPLEXIO_ERR) { ciostatus = dsi_read_reg(DSI_COMPLEXIO_IRQ_STATUS); -#ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS - dss_collect_irq_stats(ciostatus, dsi.irq_stats.cio_irqs); -#endif - dsi_write_reg(DSI_COMPLEXIO_IRQ_STATUS, ciostatus); /* flush posted write */ dsi_read_reg(DSI_COMPLEXIO_IRQ_STATUS); + } else { + ciostatus = 0; + } - if (ciostatus & DSI_CIO_IRQ_ERROR_MASK) { - DSSERR("DSI CIO error, cio irqstatus %x\n", ciostatus); - print_irq_status_cio(ciostatus); - } else if (debug_irq) { - print_irq_status_cio(ciostatus); - } +#ifdef DSI_CATCH_MISSING_TE + if (irqstatus & DSI_IRQ_TE_TRIGGER) + del_timer(&dsi.te_timer); +#endif + + /* make a copy and unlock, so that isrs can unregister + * themselves */ + memcpy(&dsi.isr_tables_copy, &dsi.isr_tables, sizeof(dsi.isr_tables)); + + spin_unlock(&dsi.irq_lock); + + dsi_handle_isrs(&dsi.isr_tables_copy, irqstatus, vcstatus, ciostatus); + + dsi_handle_irq_errors(irqstatus, vcstatus, ciostatus); + + dsi_collect_irq_stats(irqstatus, vcstatus, ciostatus); + + return IRQ_HANDLED; +} + +/* dsi.irq_lock has to be locked by the caller */ +static void _omap_dsi_configure_irqs(struct dsi_isr_data *isr_array, + unsigned isr_array_size, u32 default_mask, + const struct dsi_reg enable_reg, + const struct dsi_reg status_reg) +{ + struct dsi_isr_data *isr_data; + u32 mask; + u32 old_mask; + int i; + + mask = default_mask; + + for (i = 0; i < isr_array_size; i++) { + isr_data = &isr_array[i]; + + if (isr_data->isr == NULL) + continue; + + mask |= isr_data->mask; } - dsi_write_reg(DSI_IRQSTATUS, irqstatus & ~DSI_IRQ_CHANNEL_MASK); - /* flush posted write */ - dsi_read_reg(DSI_IRQSTATUS); + old_mask = dsi_read_reg(enable_reg); + /* clear the irqstatus for newly enabled irqs */ + dsi_write_reg(status_reg, (mask ^ old_mask) & mask); + dsi_write_reg(enable_reg, mask); -#ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS - spin_unlock(&dsi.irq_stats_lock); + /* flush posted writes */ + dsi_read_reg(enable_reg); + dsi_read_reg(status_reg); +} + +/* dsi.irq_lock has to be locked by the caller */ +static void _omap_dsi_set_irqs(void) +{ + u32 mask = DSI_IRQ_ERROR_MASK; +#ifdef DSI_CATCH_MISSING_TE + mask |= DSI_IRQ_TE_TRIGGER; #endif + _omap_dsi_configure_irqs(dsi.isr_tables.isr_table, + ARRAY_SIZE(dsi.isr_tables.isr_table), mask, + DSI_IRQENABLE, DSI_IRQSTATUS); +} + +/* dsi.irq_lock has to be locked by the caller */ +static void _omap_dsi_set_irqs_vc(int vc) +{ + _omap_dsi_configure_irqs(dsi.isr_tables.isr_table_vc[vc], + ARRAY_SIZE(dsi.isr_tables.isr_table_vc[vc]), + DSI_VC_IRQ_ERROR_MASK, + DSI_VC_IRQENABLE(vc), DSI_VC_IRQSTATUS(vc)); } +/* dsi.irq_lock has to be locked by the caller */ +static void _omap_dsi_set_irqs_cio(void) +{ + _omap_dsi_configure_irqs(dsi.isr_tables.isr_table_cio, + ARRAY_SIZE(dsi.isr_tables.isr_table_cio), + DSI_CIO_IRQ_ERROR_MASK, + DSI_COMPLEXIO_IRQ_ENABLE, DSI_COMPLEXIO_IRQ_STATUS); +} static void _dsi_initialize_irq(void) { - u32 l; + unsigned long flags; + int vc; + + spin_lock_irqsave(&dsi.irq_lock, flags); + + memset(&dsi.isr_tables, 0, sizeof(dsi.isr_tables)); + + _omap_dsi_set_irqs(); + for (vc = 0; vc < 4; ++vc) + _omap_dsi_set_irqs_vc(vc); + _omap_dsi_set_irqs_cio(); + + spin_unlock_irqrestore(&dsi.irq_lock, flags); +} + +static int _dsi_register_isr(omap_dsi_isr_t isr, void *arg, u32 mask, + struct dsi_isr_data *isr_array, unsigned isr_array_size) +{ + struct dsi_isr_data *isr_data; + int free_idx; int i; - /* disable all interrupts */ - dsi_write_reg(DSI_IRQENABLE, 0); - for (i = 0; i < 4; ++i) - dsi_write_reg(DSI_VC_IRQENABLE(i), 0); - dsi_write_reg(DSI_COMPLEXIO_IRQ_ENABLE, 0); + BUG_ON(isr == NULL); - /* clear interrupt status */ - l = dsi_read_reg(DSI_IRQSTATUS); - dsi_write_reg(DSI_IRQSTATUS, l & ~DSI_IRQ_CHANNEL_MASK); + /* check for duplicate entry and find a free slot */ + free_idx = -1; + for (i = 0; i < isr_array_size; i++) { + isr_data = &isr_array[i]; - for (i = 0; i < 4; ++i) { - l = dsi_read_reg(DSI_VC_IRQSTATUS(i)); - dsi_write_reg(DSI_VC_IRQSTATUS(i), l); + if (isr_data->isr == isr && isr_data->arg == arg && + isr_data->mask == mask) { + return -EINVAL; + } + + if (isr_data->isr == NULL && free_idx == -1) + free_idx = i; } - l = dsi_read_reg(DSI_COMPLEXIO_IRQ_STATUS); - dsi_write_reg(DSI_COMPLEXIO_IRQ_STATUS, l); + if (free_idx == -1) + return -EBUSY; - /* enable error irqs */ - l = DSI_IRQ_ERROR_MASK; -#ifdef DSI_CATCH_MISSING_TE - l |= DSI_IRQ_TE_TRIGGER; -#endif - dsi_write_reg(DSI_IRQENABLE, l); + isr_data = &isr_array[free_idx]; + isr_data->isr = isr; + isr_data->arg = arg; + isr_data->mask = mask; - l = DSI_VC_IRQ_ERROR_MASK; - for (i = 0; i < 4; ++i) - dsi_write_reg(DSI_VC_IRQENABLE(i), l); + return 0; +} + +static int _dsi_unregister_isr(omap_dsi_isr_t isr, void *arg, u32 mask, + struct dsi_isr_data *isr_array, unsigned isr_array_size) +{ + struct dsi_isr_data *isr_data; + int i; + + for (i = 0; i < isr_array_size; i++) { + isr_data = &isr_array[i]; + if (isr_data->isr != isr || isr_data->arg != arg || + isr_data->mask != mask) + continue; + + isr_data->isr = NULL; + isr_data->arg = NULL; + isr_data->mask = 0; + + return 0; + } - l = DSI_CIO_IRQ_ERROR_MASK; - dsi_write_reg(DSI_COMPLEXIO_IRQ_ENABLE, l); + return -EINVAL; } -static u32 dsi_get_errors(void) +static int dsi_register_isr(omap_dsi_isr_t isr, void *arg, u32 mask) { unsigned long flags; - u32 e; - spin_lock_irqsave(&dsi.errors_lock, flags); - e = dsi.errors; - dsi.errors = 0; - spin_unlock_irqrestore(&dsi.errors_lock, flags); - return e; + int r; + + spin_lock_irqsave(&dsi.irq_lock, flags); + + r = _dsi_register_isr(isr, arg, mask, dsi.isr_tables.isr_table, + ARRAY_SIZE(dsi.isr_tables.isr_table)); + + if (r == 0) + _omap_dsi_set_irqs(); + + spin_unlock_irqrestore(&dsi.irq_lock, flags); + + return r; } -static void dsi_vc_enable_bta_irq(int channel) +static int dsi_unregister_isr(omap_dsi_isr_t isr, void *arg, u32 mask) { - u32 l; + unsigned long flags; + int r; + + spin_lock_irqsave(&dsi.irq_lock, flags); + + r = _dsi_unregister_isr(isr, arg, mask, dsi.isr_tables.isr_table, + ARRAY_SIZE(dsi.isr_tables.isr_table)); + + if (r == 0) + _omap_dsi_set_irqs(); - dsi_write_reg(DSI_VC_IRQSTATUS(channel), DSI_VC_IRQ_BTA); + spin_unlock_irqrestore(&dsi.irq_lock, flags); - l = dsi_read_reg(DSI_VC_IRQENABLE(channel)); - l |= DSI_VC_IRQ_BTA; - dsi_write_reg(DSI_VC_IRQENABLE(channel), l); + return r; } -static void dsi_vc_disable_bta_irq(int channel) +static int dsi_register_isr_vc(int channel, omap_dsi_isr_t isr, void *arg, + u32 mask) { - u32 l; + unsigned long flags; + int r; + + spin_lock_irqsave(&dsi.irq_lock, flags); + + r = _dsi_register_isr(isr, arg, mask, + dsi.isr_tables.isr_table_vc[channel], + ARRAY_SIZE(dsi.isr_tables.isr_table_vc[channel])); + + if (r == 0) + _omap_dsi_set_irqs_vc(channel); + + spin_unlock_irqrestore(&dsi.irq_lock, flags); + + return r; +} + +static int dsi_unregister_isr_vc(int channel, omap_dsi_isr_t isr, void *arg, + u32 mask) +{ + unsigned long flags; + int r; + + spin_lock_irqsave(&dsi.irq_lock, flags); + + r = _dsi_unregister_isr(isr, arg, mask, + dsi.isr_tables.isr_table_vc[channel], + ARRAY_SIZE(dsi.isr_tables.isr_table_vc[channel])); + + if (r == 0) + _omap_dsi_set_irqs_vc(channel); + + spin_unlock_irqrestore(&dsi.irq_lock, flags); + + return r; +} + +static int dsi_register_isr_cio(omap_dsi_isr_t isr, void *arg, u32 mask) +{ + unsigned long flags; + int r; + + spin_lock_irqsave(&dsi.irq_lock, flags); + + r = _dsi_register_isr(isr, arg, mask, dsi.isr_tables.isr_table_cio, + ARRAY_SIZE(dsi.isr_tables.isr_table_cio)); + + if (r == 0) + _omap_dsi_set_irqs_cio(); + + spin_unlock_irqrestore(&dsi.irq_lock, flags); + + return r; +} + +static int dsi_unregister_isr_cio(omap_dsi_isr_t isr, void *arg, u32 mask) +{ + unsigned long flags; + int r; + + spin_lock_irqsave(&dsi.irq_lock, flags); + + r = _dsi_unregister_isr(isr, arg, mask, dsi.isr_tables.isr_table_cio, + ARRAY_SIZE(dsi.isr_tables.isr_table_cio)); + + if (r == 0) + _omap_dsi_set_irqs_cio(); + + spin_unlock_irqrestore(&dsi.irq_lock, flags); - l = dsi_read_reg(DSI_VC_IRQENABLE(channel)); - l &= ~DSI_VC_IRQ_BTA; - dsi_write_reg(DSI_VC_IRQENABLE(channel), l); + return r; } -/* DSI func clock. this could also be DSI2_PLL_FCLK */ +static u32 dsi_get_errors(void) +{ + unsigned long flags; + u32 e; + spin_lock_irqsave(&dsi.errors_lock, flags); + e = dsi.errors; + dsi.errors = 0; + spin_unlock_irqrestore(&dsi.errors_lock, flags); + return e; +} + +/* DSI func clock. this could also be dsi_pll_hsdiv_dsi_clk */ static inline void enable_clocks(bool enable) { if (enable) - dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK1); + dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK); else - dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK1); + dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK); } /* source clock for DSI PLL. this could also be PCLKFREE */ static inline void dsi_enable_pll_clock(bool enable) { if (enable) - dss_clk_enable(DSS_CLK_FCK2); + dss_clk_enable(DSS_CLK_SYSCK); else - dss_clk_disable(DSS_CLK_FCK2); + dss_clk_disable(DSS_CLK_SYSCK); if (enable && dsi.pll_locked) { if (wait_for_bit_change(DSI_PLL_STATUS, 1, 1) != 1) @@ -707,14 +990,14 @@ static inline int dsi_if_enable(bool enable) return 0; } -unsigned long dsi_get_dsi1_pll_rate(void) +unsigned long dsi_get_pll_hsdiv_dispc_rate(void) { - return dsi.current_cinfo.dsi1_pll_fclk; + return dsi.current_cinfo.dsi_pll_hsdiv_dispc_clk; } -static unsigned long dsi_get_dsi2_pll_rate(void) +static unsigned long dsi_get_pll_hsdiv_dsi_rate(void) { - return dsi.current_cinfo.dsi2_pll_fclk; + return dsi.current_cinfo.dsi_pll_hsdiv_dsi_clk; } static unsigned long dsi_get_txbyteclkhs(void) @@ -726,12 +1009,12 @@ static unsigned long dsi_fclk_rate(void) { unsigned long r; - if (dss_get_dsi_clk_source() == DSS_SRC_DSS1_ALWON_FCLK) { - /* DSI FCLK source is DSS1_ALWON_FCK, which is dss1_fck */ - r = dss_clk_get_rate(DSS_CLK_FCK1); + if (dss_get_dsi_clk_source() == DSS_CLK_SRC_FCK) { + /* DSI FCLK source is DSS_CLK_FCK */ + r = dss_clk_get_rate(DSS_CLK_FCK); } else { - /* DSI FCLK source is DSI2_PLL_FCLK */ - r = dsi_get_dsi2_pll_rate(); + /* DSI FCLK source is dsi_pll_hsdiv_dsi_clk */ + r = dsi_get_pll_hsdiv_dsi_rate(); } return r; @@ -745,7 +1028,7 @@ static int dsi_set_lp_clk_divisor(struct omap_dss_device *dssdev) lp_clk_div = dssdev->phy.dsi.div.lp_clk_div; - if (lp_clk_div == 0 || lp_clk_div > LP_DIV_MAX) + if (lp_clk_div == 0 || lp_clk_div > dsi.lpdiv_max) return -EINVAL; dsi_fclk = dsi_fclk_rate(); @@ -795,22 +1078,22 @@ static int dsi_pll_power(enum dsi_pll_power_state state) static int dsi_calc_clock_rates(struct omap_dss_device *dssdev, struct dsi_clock_info *cinfo) { - if (cinfo->regn == 0 || cinfo->regn > REGN_MAX) + if (cinfo->regn == 0 || cinfo->regn > dsi.regn_max) return -EINVAL; - if (cinfo->regm == 0 || cinfo->regm > REGM_MAX) + if (cinfo->regm == 0 || cinfo->regm > dsi.regm_max) return -EINVAL; - if (cinfo->regm3 > REGM3_MAX) + if (cinfo->regm_dispc > dsi.regm_dispc_max) return -EINVAL; - if (cinfo->regm4 > REGM4_MAX) + if (cinfo->regm_dsi > dsi.regm_dsi_max) return -EINVAL; - if (cinfo->use_dss2_fck) { - cinfo->clkin = dss_clk_get_rate(DSS_CLK_FCK2); + if (cinfo->use_sys_clk) { + cinfo->clkin = dss_clk_get_rate(DSS_CLK_SYSCK); /* XXX it is unclear if highfreq should be used - * with DSS2_FCK source also */ + * with DSS_SYS_CLK source also */ cinfo->highfreq = 0; } else { cinfo->clkin = dispc_pclk_rate(dssdev->manager->id); @@ -823,7 +1106,7 @@ static int dsi_calc_clock_rates(struct omap_dss_device *dssdev, cinfo->fint = cinfo->clkin / (cinfo->regn * (cinfo->highfreq ? 2 : 1)); - if (cinfo->fint > FINT_MAX || cinfo->fint < FINT_MIN) + if (cinfo->fint > dsi.fint_max || cinfo->fint < dsi.fint_min) return -EINVAL; cinfo->clkin4ddr = 2 * cinfo->regm * cinfo->fint; @@ -831,15 +1114,17 @@ static int dsi_calc_clock_rates(struct omap_dss_device *dssdev, if (cinfo->clkin4ddr > 1800 * 1000 * 1000) return -EINVAL; - if (cinfo->regm3 > 0) - cinfo->dsi1_pll_fclk = cinfo->clkin4ddr / cinfo->regm3; + if (cinfo->regm_dispc > 0) + cinfo->dsi_pll_hsdiv_dispc_clk = + cinfo->clkin4ddr / cinfo->regm_dispc; else - cinfo->dsi1_pll_fclk = 0; + cinfo->dsi_pll_hsdiv_dispc_clk = 0; - if (cinfo->regm4 > 0) - cinfo->dsi2_pll_fclk = cinfo->clkin4ddr / cinfo->regm4; + if (cinfo->regm_dsi > 0) + cinfo->dsi_pll_hsdiv_dsi_clk = + cinfo->clkin4ddr / cinfo->regm_dsi; else - cinfo->dsi2_pll_fclk = 0; + cinfo->dsi_pll_hsdiv_dsi_clk = 0; return 0; } @@ -852,23 +1137,25 @@ int dsi_pll_calc_clock_div_pck(bool is_tft, unsigned long req_pck, struct dispc_clock_info best_dispc; int min_fck_per_pck; int match = 0; - unsigned long dss_clk_fck2; + unsigned long dss_sys_clk, max_dss_fck; + + dss_sys_clk = dss_clk_get_rate(DSS_CLK_SYSCK); - dss_clk_fck2 = dss_clk_get_rate(DSS_CLK_FCK2); + max_dss_fck = dss_feat_get_param_max(FEAT_PARAM_DSS_FCK); if (req_pck == dsi.cache_req_pck && - dsi.cache_cinfo.clkin == dss_clk_fck2) { + dsi.cache_cinfo.clkin == dss_sys_clk) { DSSDBG("DSI clock info found from cache\n"); *dsi_cinfo = dsi.cache_cinfo; - dispc_find_clk_divs(is_tft, req_pck, dsi_cinfo->dsi1_pll_fclk, - dispc_cinfo); + dispc_find_clk_divs(is_tft, req_pck, + dsi_cinfo->dsi_pll_hsdiv_dispc_clk, dispc_cinfo); return 0; } min_fck_per_pck = CONFIG_OMAP2_DSS_MIN_FCK_PER_PCK; if (min_fck_per_pck && - req_pck * min_fck_per_pck > DISPC_MAX_FCK) { + req_pck * min_fck_per_pck > max_dss_fck) { DSSERR("Requested pixel clock not possible with the current " "OMAP2_DSS_MIN_FCK_PER_PCK setting. Turning " "the constraint off.\n"); @@ -882,24 +1169,24 @@ retry: memset(&best_dispc, 0, sizeof(best_dispc)); memset(&cur, 0, sizeof(cur)); - cur.clkin = dss_clk_fck2; - cur.use_dss2_fck = 1; + cur.clkin = dss_sys_clk; + cur.use_sys_clk = 1; cur.highfreq = 0; /* no highfreq: 0.75MHz < Fint = clkin / regn < 2.1MHz */ /* highfreq: 0.75MHz < Fint = clkin / (2*regn) < 2.1MHz */ /* To reduce PLL lock time, keep Fint high (around 2 MHz) */ - for (cur.regn = 1; cur.regn < REGN_MAX; ++cur.regn) { + for (cur.regn = 1; cur.regn < dsi.regn_max; ++cur.regn) { if (cur.highfreq == 0) cur.fint = cur.clkin / cur.regn; else cur.fint = cur.clkin / (2 * cur.regn); - if (cur.fint > FINT_MAX || cur.fint < FINT_MIN) + if (cur.fint > dsi.fint_max || cur.fint < dsi.fint_min) continue; /* DSIPHY(MHz) = (2 * regm / regn) * (clkin / (highfreq + 1)) */ - for (cur.regm = 1; cur.regm < REGM_MAX; ++cur.regm) { + for (cur.regm = 1; cur.regm < dsi.regm_max; ++cur.regm) { unsigned long a, b; a = 2 * cur.regm * (cur.clkin/1000); @@ -909,30 +1196,32 @@ retry: if (cur.clkin4ddr > 1800 * 1000 * 1000) break; - /* DSI1_PLL_FCLK(MHz) = DSIPHY(MHz) / regm3 < 173MHz */ - for (cur.regm3 = 1; cur.regm3 < REGM3_MAX; - ++cur.regm3) { + /* dsi_pll_hsdiv_dispc_clk(MHz) = + * DSIPHY(MHz) / regm_dispc < 173MHz/186Mhz */ + for (cur.regm_dispc = 1; cur.regm_dispc < dsi.regm_dispc_max; + ++cur.regm_dispc) { struct dispc_clock_info cur_dispc; - cur.dsi1_pll_fclk = cur.clkin4ddr / cur.regm3; + cur.dsi_pll_hsdiv_dispc_clk = + cur.clkin4ddr / cur.regm_dispc; /* this will narrow down the search a bit, * but still give pixclocks below what was * requested */ - if (cur.dsi1_pll_fclk < req_pck) + if (cur.dsi_pll_hsdiv_dispc_clk < req_pck) break; - if (cur.dsi1_pll_fclk > DISPC_MAX_FCK) + if (cur.dsi_pll_hsdiv_dispc_clk > max_dss_fck) continue; if (min_fck_per_pck && - cur.dsi1_pll_fclk < + cur.dsi_pll_hsdiv_dispc_clk < req_pck * min_fck_per_pck) continue; match = 1; dispc_find_clk_divs(is_tft, req_pck, - cur.dsi1_pll_fclk, + cur.dsi_pll_hsdiv_dispc_clk, &cur_dispc); if (abs(cur_dispc.pck - req_pck) < @@ -961,9 +1250,9 @@ found: return -EINVAL; } - /* DSI2_PLL_FCLK (regm4) is not used */ - best.regm4 = 0; - best.dsi2_pll_fclk = 0; + /* dsi_pll_hsdiv_dsi_clk (regm_dsi) is not used */ + best.regm_dsi = 0; + best.dsi_pll_hsdiv_dsi_clk = 0; if (dsi_cinfo) *dsi_cinfo = best; @@ -982,23 +1271,27 @@ int dsi_pll_set_clock_div(struct dsi_clock_info *cinfo) int r = 0; u32 l; int f; + u8 regn_start, regn_end, regm_start, regm_end; + u8 regm_dispc_start, regm_dispc_end, regm_dsi_start, regm_dsi_end; DSSDBGF(); dsi.current_cinfo.fint = cinfo->fint; dsi.current_cinfo.clkin4ddr = cinfo->clkin4ddr; - dsi.current_cinfo.dsi1_pll_fclk = cinfo->dsi1_pll_fclk; - dsi.current_cinfo.dsi2_pll_fclk = cinfo->dsi2_pll_fclk; + dsi.current_cinfo.dsi_pll_hsdiv_dispc_clk = + cinfo->dsi_pll_hsdiv_dispc_clk; + dsi.current_cinfo.dsi_pll_hsdiv_dsi_clk = + cinfo->dsi_pll_hsdiv_dsi_clk; dsi.current_cinfo.regn = cinfo->regn; dsi.current_cinfo.regm = cinfo->regm; - dsi.current_cinfo.regm3 = cinfo->regm3; - dsi.current_cinfo.regm4 = cinfo->regm4; + dsi.current_cinfo.regm_dispc = cinfo->regm_dispc; + dsi.current_cinfo.regm_dsi = cinfo->regm_dsi; DSSDBG("DSI Fint %ld\n", cinfo->fint); DSSDBG("clkin (%s) rate %ld, highfreq %d\n", - cinfo->use_dss2_fck ? "dss2_fck" : "pclkfree", + cinfo->use_sys_clk ? "dss_sys_clk" : "pclkfree", cinfo->clkin, cinfo->highfreq); @@ -1015,24 +1308,39 @@ int dsi_pll_set_clock_div(struct dsi_clock_info *cinfo) DSSDBG("Clock lane freq %ld Hz\n", cinfo->clkin4ddr / 4); - DSSDBG("regm3 = %d, dsi1_pll_fclk = %lu\n", - cinfo->regm3, cinfo->dsi1_pll_fclk); - DSSDBG("regm4 = %d, dsi2_pll_fclk = %lu\n", - cinfo->regm4, cinfo->dsi2_pll_fclk); + DSSDBG("regm_dispc = %d, %s (%s) = %lu\n", cinfo->regm_dispc, + dss_get_generic_clk_source_name(DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC), + dss_feat_get_clk_source_name(DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC), + cinfo->dsi_pll_hsdiv_dispc_clk); + DSSDBG("regm_dsi = %d, %s (%s) = %lu\n", cinfo->regm_dsi, + dss_get_generic_clk_source_name(DSS_CLK_SRC_DSI_PLL_HSDIV_DSI), + dss_feat_get_clk_source_name(DSS_CLK_SRC_DSI_PLL_HSDIV_DSI), + cinfo->dsi_pll_hsdiv_dsi_clk); + + dss_feat_get_reg_field(FEAT_REG_DSIPLL_REGN, ®n_start, ®n_end); + dss_feat_get_reg_field(FEAT_REG_DSIPLL_REGM, ®m_start, ®m_end); + dss_feat_get_reg_field(FEAT_REG_DSIPLL_REGM_DISPC, ®m_dispc_start, + ®m_dispc_end); + dss_feat_get_reg_field(FEAT_REG_DSIPLL_REGM_DSI, ®m_dsi_start, + ®m_dsi_end); REG_FLD_MOD(DSI_PLL_CONTROL, 0, 0, 0); /* DSI_PLL_AUTOMODE = manual */ l = dsi_read_reg(DSI_PLL_CONFIGURATION1); l = FLD_MOD(l, 1, 0, 0); /* DSI_PLL_STOPMODE */ - l = FLD_MOD(l, cinfo->regn - 1, 7, 1); /* DSI_PLL_REGN */ - l = FLD_MOD(l, cinfo->regm, 18, 8); /* DSI_PLL_REGM */ - l = FLD_MOD(l, cinfo->regm3 > 0 ? cinfo->regm3 - 1 : 0, - 22, 19); /* DSI_CLOCK_DIV */ - l = FLD_MOD(l, cinfo->regm4 > 0 ? cinfo->regm4 - 1 : 0, - 26, 23); /* DSIPROTO_CLOCK_DIV */ + /* DSI_PLL_REGN */ + l = FLD_MOD(l, cinfo->regn - 1, regn_start, regn_end); + /* DSI_PLL_REGM */ + l = FLD_MOD(l, cinfo->regm, regm_start, regm_end); + /* DSI_CLOCK_DIV */ + l = FLD_MOD(l, cinfo->regm_dispc > 0 ? cinfo->regm_dispc - 1 : 0, + regm_dispc_start, regm_dispc_end); + /* DSIPROTO_CLOCK_DIV */ + l = FLD_MOD(l, cinfo->regm_dsi > 0 ? cinfo->regm_dsi - 1 : 0, + regm_dsi_start, regm_dsi_end); dsi_write_reg(DSI_PLL_CONFIGURATION1, l); - BUG_ON(cinfo->fint < 750000 || cinfo->fint > 2100000); + BUG_ON(cinfo->fint < dsi.fint_min || cinfo->fint > dsi.fint_max); if (cinfo->fint < 1000000) f = 0x3; else if (cinfo->fint < 1250000) @@ -1046,7 +1354,7 @@ int dsi_pll_set_clock_div(struct dsi_clock_info *cinfo) l = dsi_read_reg(DSI_PLL_CONFIGURATION2); l = FLD_MOD(l, f, 4, 1); /* DSI_PLL_FREQSEL */ - l = FLD_MOD(l, cinfo->use_dss2_fck ? 0 : 1, + l = FLD_MOD(l, cinfo->use_sys_clk ? 0 : 1, 11, 11); /* DSI_PLL_CLKSEL */ l = FLD_MOD(l, cinfo->highfreq, 12, 12); /* DSI_PLL_HIGHFREQ */ @@ -1101,6 +1409,26 @@ int dsi_pll_init(struct omap_dss_device *dssdev, bool enable_hsclk, DSSDBG("PLL init\n"); +#ifdef CONFIG_OMAP2_DSS_USE_DSI_PLL + /* + * HACK: this is just a quick hack to get the USE_DSI_PLL + * option working. USE_DSI_PLL is itself a big hack, and + * should be removed. + */ + if (dsi.vdds_dsi_reg == NULL) { + struct regulator *vdds_dsi; + + vdds_dsi = regulator_get(&dsi.pdev->dev, "vdds_dsi"); + + if (IS_ERR(vdds_dsi)) { + DSSERR("can't get VDDS_DSI regulator\n"); + return PTR_ERR(vdds_dsi); + } + + dsi.vdds_dsi_reg = vdds_dsi; + } +#endif + enable_clocks(1); dsi_enable_pll_clock(1); @@ -1162,6 +1490,10 @@ void dsi_dump_clocks(struct seq_file *s) { int clksel; struct dsi_clock_info *cinfo = &dsi.current_cinfo; + enum dss_clk_source dispc_clk_src, dsi_clk_src; + + dispc_clk_src = dss_get_dispc_clk_source(); + dsi_clk_src = dss_get_dsi_clk_source(); enable_clocks(1); @@ -1171,30 +1503,34 @@ void dsi_dump_clocks(struct seq_file *s) seq_printf(s, "dsi pll source = %s\n", clksel == 0 ? - "dss2_alwon_fclk" : "pclkfree"); + "dss_sys_clk" : "pclkfree"); seq_printf(s, "Fint\t\t%-16luregn %u\n", cinfo->fint, cinfo->regn); seq_printf(s, "CLKIN4DDR\t%-16luregm %u\n", cinfo->clkin4ddr, cinfo->regm); - seq_printf(s, "dsi1_pll_fck\t%-16luregm3 %u\t(%s)\n", - cinfo->dsi1_pll_fclk, - cinfo->regm3, - dss_get_dispc_clk_source() == DSS_SRC_DSS1_ALWON_FCLK ? + seq_printf(s, "%s (%s)\t%-16luregm_dispc %u\t(%s)\n", + dss_get_generic_clk_source_name(dispc_clk_src), + dss_feat_get_clk_source_name(dispc_clk_src), + cinfo->dsi_pll_hsdiv_dispc_clk, + cinfo->regm_dispc, + dispc_clk_src == DSS_CLK_SRC_FCK ? "off" : "on"); - seq_printf(s, "dsi2_pll_fck\t%-16luregm4 %u\t(%s)\n", - cinfo->dsi2_pll_fclk, - cinfo->regm4, - dss_get_dsi_clk_source() == DSS_SRC_DSS1_ALWON_FCLK ? + seq_printf(s, "%s (%s)\t%-16luregm_dsi %u\t(%s)\n", + dss_get_generic_clk_source_name(dsi_clk_src), + dss_feat_get_clk_source_name(dsi_clk_src), + cinfo->dsi_pll_hsdiv_dsi_clk, + cinfo->regm_dsi, + dsi_clk_src == DSS_CLK_SRC_FCK ? "off" : "on"); seq_printf(s, "- DSI -\n"); - seq_printf(s, "dsi fclk source = %s\n", - dss_get_dsi_clk_source() == DSS_SRC_DSS1_ALWON_FCLK ? - "dss1_alwon_fclk" : "dsi2_pll_fclk"); + seq_printf(s, "dsi fclk source = %s (%s)\n", + dss_get_generic_clk_source_name(dsi_clk_src), + dss_feat_get_clk_source_name(dsi_clk_src)); seq_printf(s, "DSI_FCLK\t%lu\n", dsi_fclk_rate()); @@ -1306,7 +1642,7 @@ void dsi_dump_regs(struct seq_file *s) { #define DUMPREG(r) seq_printf(s, "%-35s %08x\n", #r, dsi_read_reg(r)) - dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK1); + dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK); DUMPREG(DSI_REVISION); DUMPREG(DSI_SYSCONFIG); @@ -1378,7 +1714,7 @@ void dsi_dump_regs(struct seq_file *s) DUMPREG(DSI_PLL_CONFIGURATION1); DUMPREG(DSI_PLL_CONFIGURATION2); - dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK1); + dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK); #undef DUMPREG } @@ -1622,20 +1958,6 @@ static int _dsi_reset(void) return _dsi_wait_reset(); } -static void dsi_reset_tx_fifo(int channel) -{ - u32 mask; - u32 l; - - /* set fifosize of the channel to 0, then return the old size */ - l = dsi_read_reg(DSI_TX_FIFO_VC_SIZE); - - mask = FLD_MASK((8 * channel) + 7, (8 * channel) + 4); - dsi_write_reg(DSI_TX_FIFO_VC_SIZE, l & ~mask); - - dsi_write_reg(DSI_TX_FIFO_VC_SIZE, l); -} - static void dsi_config_tx_fifo(enum fifo_size size1, enum fifo_size size2, enum fifo_size size3, enum fifo_size size4) { @@ -1753,8 +2075,6 @@ static void dsi_vc_initial_config(int channel) r = FLD_MOD(r, 4, 23, 21); /* DMA_TX_REQ_NB = no dma */ dsi_write_reg(DSI_VC_CTRL(channel), r); - - dsi.vc[channel].mode = DSI_VC_MODE_L4; } static int dsi_vc_config_l4(int channel) @@ -1922,33 +2242,44 @@ static int dsi_vc_send_bta(int channel) int dsi_vc_send_bta_sync(int channel) { + DECLARE_COMPLETION_ONSTACK(completion); int r = 0; u32 err; - INIT_COMPLETION(dsi.bta_completion); + r = dsi_register_isr_vc(channel, dsi_completion_handler, + &completion, DSI_VC_IRQ_BTA); + if (r) + goto err0; - dsi_vc_enable_bta_irq(channel); + r = dsi_register_isr(dsi_completion_handler, &completion, + DSI_IRQ_ERROR_MASK); + if (r) + goto err1; r = dsi_vc_send_bta(channel); if (r) - goto err; + goto err2; - if (wait_for_completion_timeout(&dsi.bta_completion, + if (wait_for_completion_timeout(&completion, msecs_to_jiffies(500)) == 0) { DSSERR("Failed to receive BTA\n"); r = -EIO; - goto err; + goto err2; } err = dsi_get_errors(); if (err) { DSSERR("Error while sending BTA: %x\n", err); r = -EIO; - goto err; + goto err2; } -err: - dsi_vc_disable_bta_irq(channel); - +err2: + dsi_unregister_isr(dsi_completion_handler, &completion, + DSI_IRQ_ERROR_MASK); +err1: + dsi_unregister_isr_vc(channel, dsi_completion_handler, + &completion, DSI_VC_IRQ_BTA); +err0: return r; } EXPORT_SYMBOL(dsi_vc_send_bta_sync); @@ -1961,7 +2292,7 @@ static inline void dsi_vc_write_long_header(int channel, u8 data_type, WARN_ON(!dsi_bus_is_locked()); - data_id = data_type | channel << 6; + data_id = data_type | dsi.vc[channel].vc_id << 6; val = FLD_VAL(data_id, 7, 0) | FLD_VAL(len, 23, 8) | FLD_VAL(ecc, 31, 24); @@ -2064,7 +2395,7 @@ static int dsi_vc_send_short(int channel, u8 data_type, u16 data, u8 ecc) return -EINVAL; } - data_id = data_type | channel << 6; + data_id = data_type | dsi.vc[channel].vc_id << 6; r = (data_id << 0) | (data << 8) | (ecc << 24); @@ -2762,19 +3093,20 @@ static void dsi_te_timeout(unsigned long arg) } #endif +static void dsi_framedone_bta_callback(void *data, u32 mask); + static void dsi_handle_framedone(int error) { const int channel = dsi.update_channel; - cancel_delayed_work(&dsi.framedone_timeout_work); + dsi_unregister_isr_vc(channel, dsi_framedone_bta_callback, + NULL, DSI_VC_IRQ_BTA); - dsi_vc_disable_bta_irq(channel); + cancel_delayed_work(&dsi.framedone_timeout_work); /* SIDLEMODE back to smart-idle */ dispc_enable_sidle(); - dsi.bta_callback = NULL; - if (dsi.te_enabled) { /* enable LP_RX_TO again after the TE */ REG_FLD_MOD(DSI_TIMING2, 1, 15, 15); /* LP_RX_TO */ @@ -2808,7 +3140,7 @@ static void dsi_framedone_timeout_work_callback(struct work_struct *work) dsi_handle_framedone(-ETIMEDOUT); } -static void dsi_framedone_bta_callback(void) +static void dsi_framedone_bta_callback(void *data, u32 mask) { dsi_handle_framedone(0); @@ -2848,15 +3180,19 @@ static void dsi_framedone_irq_callback(void *data, u32 mask) * asynchronously. * */ - dsi.bta_callback = dsi_framedone_bta_callback; - - barrier(); - - dsi_vc_enable_bta_irq(channel); + r = dsi_register_isr_vc(channel, dsi_framedone_bta_callback, + NULL, DSI_VC_IRQ_BTA); + if (r) { + DSSERR("Failed to register BTA ISR\n"); + dsi_handle_framedone(-EIO); + return; + } r = dsi_vc_send_bta(channel); if (r) { DSSERR("BTA after framedone failed\n"); + dsi_unregister_isr_vc(channel, dsi_framedone_bta_callback, + NULL, DSI_VC_IRQ_BTA); dsi_handle_framedone(-EIO); } } @@ -2984,12 +3320,12 @@ static int dsi_configure_dsi_clocks(struct omap_dss_device *dssdev) struct dsi_clock_info cinfo; int r; - /* we always use DSS2_FCK as input clock */ - cinfo.use_dss2_fck = true; + /* we always use DSS_CLK_SYSCK as input clock */ + cinfo.use_sys_clk = true; cinfo.regn = dssdev->phy.dsi.div.regn; cinfo.regm = dssdev->phy.dsi.div.regm; - cinfo.regm3 = dssdev->phy.dsi.div.regm3; - cinfo.regm4 = dssdev->phy.dsi.div.regm4; + cinfo.regm_dispc = dssdev->phy.dsi.div.regm_dispc; + cinfo.regm_dsi = dssdev->phy.dsi.div.regm_dsi; r = dsi_calc_clock_rates(dssdev, &cinfo); if (r) { DSSERR("Failed to calc dsi clocks\n"); @@ -3011,7 +3347,7 @@ static int dsi_configure_dispc_clocks(struct omap_dss_device *dssdev) int r; unsigned long long fck; - fck = dsi_get_dsi1_pll_rate(); + fck = dsi_get_pll_hsdiv_dispc_rate(); dispc_cinfo.lck_div = dssdev->phy.dsi.div.lck_div; dispc_cinfo.pck_div = dssdev->phy.dsi.div.pck_div; @@ -3045,8 +3381,8 @@ static int dsi_display_init_dsi(struct omap_dss_device *dssdev) if (r) goto err1; - dss_select_dispc_clk_source(DSS_SRC_DSI1_PLL_FCLK); - dss_select_dsi_clk_source(DSS_SRC_DSI2_PLL_FCLK); + dss_select_dispc_clk_source(DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC); + dss_select_dsi_clk_source(DSS_CLK_SRC_DSI_PLL_HSDIV_DSI); DSSDBG("PLL OK\n"); @@ -3082,8 +3418,8 @@ static int dsi_display_init_dsi(struct omap_dss_device *dssdev) err3: dsi_complexio_uninit(); err2: - dss_select_dispc_clk_source(DSS_SRC_DSS1_ALWON_FCLK); - dss_select_dsi_clk_source(DSS_SRC_DSS1_ALWON_FCLK); + dss_select_dispc_clk_source(DSS_CLK_SRC_FCK); + dss_select_dsi_clk_source(DSS_CLK_SRC_FCK); err1: dsi_pll_uninit(); err0: @@ -3099,8 +3435,8 @@ static void dsi_display_uninit_dsi(struct omap_dss_device *dssdev) dsi_vc_enable(2, 0); dsi_vc_enable(3, 0); - dss_select_dispc_clk_source(DSS_SRC_DSS1_ALWON_FCLK); - dss_select_dsi_clk_source(DSS_SRC_DSS1_ALWON_FCLK); + dss_select_dispc_clk_source(DSS_CLK_SRC_FCK); + dss_select_dsi_clk_source(DSS_CLK_SRC_FCK); dsi_complexio_uninit(); dsi_pll_uninit(); } @@ -3220,29 +3556,107 @@ int dsi_init_display(struct omap_dss_device *dssdev) dssdev->caps = OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE | OMAP_DSS_DISPLAY_CAP_TEAR_ELIM; - dsi.vc[0].dssdev = dssdev; - dsi.vc[1].dssdev = dssdev; + if (dsi.vdds_dsi_reg == NULL) { + struct regulator *vdds_dsi; + + vdds_dsi = regulator_get(&dsi.pdev->dev, "vdds_dsi"); + + if (IS_ERR(vdds_dsi)) { + DSSERR("can't get VDDS_DSI regulator\n"); + return PTR_ERR(vdds_dsi); + } + + dsi.vdds_dsi_reg = vdds_dsi; + } return 0; } -void dsi_wait_dsi1_pll_active(void) +int omap_dsi_request_vc(struct omap_dss_device *dssdev, int *channel) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(dsi.vc); i++) { + if (!dsi.vc[i].dssdev) { + dsi.vc[i].dssdev = dssdev; + *channel = i; + return 0; + } + } + + DSSERR("cannot get VC for display %s", dssdev->name); + return -ENOSPC; +} +EXPORT_SYMBOL(omap_dsi_request_vc); + +int omap_dsi_set_vc_id(struct omap_dss_device *dssdev, int channel, int vc_id) +{ + if (vc_id < 0 || vc_id > 3) { + DSSERR("VC ID out of range\n"); + return -EINVAL; + } + + if (channel < 0 || channel > 3) { + DSSERR("Virtual Channel out of range\n"); + return -EINVAL; + } + + if (dsi.vc[channel].dssdev != dssdev) { + DSSERR("Virtual Channel not allocated to display %s\n", + dssdev->name); + return -EINVAL; + } + + dsi.vc[channel].vc_id = vc_id; + + return 0; +} +EXPORT_SYMBOL(omap_dsi_set_vc_id); + +void omap_dsi_release_vc(struct omap_dss_device *dssdev, int channel) +{ + if ((channel >= 0 && channel <= 3) && + dsi.vc[channel].dssdev == dssdev) { + dsi.vc[channel].dssdev = NULL; + dsi.vc[channel].vc_id = 0; + } +} +EXPORT_SYMBOL(omap_dsi_release_vc); + +void dsi_wait_pll_hsdiv_dispc_active(void) { if (wait_for_bit_change(DSI_PLL_STATUS, 7, 1) != 1) - DSSERR("DSI1 PLL clock not active\n"); + DSSERR("%s (%s) not active\n", + dss_get_generic_clk_source_name(DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC), + dss_feat_get_clk_source_name(DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC)); } -void dsi_wait_dsi2_pll_active(void) +void dsi_wait_pll_hsdiv_dsi_active(void) { if (wait_for_bit_change(DSI_PLL_STATUS, 8, 1) != 1) - DSSERR("DSI2 PLL clock not active\n"); + DSSERR("%s (%s) not active\n", + dss_get_generic_clk_source_name(DSS_CLK_SRC_DSI_PLL_HSDIV_DSI), + dss_feat_get_clk_source_name(DSS_CLK_SRC_DSI_PLL_HSDIV_DSI)); +} + +static void dsi_calc_clock_param_ranges(void) +{ + dsi.regn_max = dss_feat_get_param_max(FEAT_PARAM_DSIPLL_REGN); + dsi.regm_max = dss_feat_get_param_max(FEAT_PARAM_DSIPLL_REGM); + dsi.regm_dispc_max = dss_feat_get_param_max(FEAT_PARAM_DSIPLL_REGM_DISPC); + dsi.regm_dsi_max = dss_feat_get_param_max(FEAT_PARAM_DSIPLL_REGM_DSI); + dsi.fint_min = dss_feat_get_param_min(FEAT_PARAM_DSIPLL_FINT); + dsi.fint_max = dss_feat_get_param_max(FEAT_PARAM_DSIPLL_FINT); + dsi.lpdiv_max = dss_feat_get_param_max(FEAT_PARAM_DSIPLL_LPDIV); } -int dsi_init(struct platform_device *pdev) +static int dsi_init(struct platform_device *pdev) { u32 rev; - int r; + int r, i; + struct resource *dsi_mem; + spin_lock_init(&dsi.irq_lock); spin_lock_init(&dsi.errors_lock); dsi.errors = 0; @@ -3251,8 +3665,6 @@ int dsi_init(struct platform_device *pdev) dsi.irq_stats.last_reset = jiffies; #endif - init_completion(&dsi.bta_completion); - mutex_init(&dsi.lock); sema_init(&dsi.bus_lock, 1); @@ -3268,24 +3680,45 @@ int dsi_init(struct platform_device *pdev) dsi.te_timer.function = dsi_te_timeout; dsi.te_timer.data = 0; #endif - dsi.base = ioremap(DSI_BASE, DSI_SZ_REGS); + dsi_mem = platform_get_resource(dsi.pdev, IORESOURCE_MEM, 0); + if (!dsi_mem) { + DSSERR("can't get IORESOURCE_MEM DSI\n"); + r = -EINVAL; + goto err1; + } + dsi.base = ioremap(dsi_mem->start, resource_size(dsi_mem)); if (!dsi.base) { DSSERR("can't ioremap DSI\n"); r = -ENOMEM; goto err1; } + dsi.irq = platform_get_irq(dsi.pdev, 0); + if (dsi.irq < 0) { + DSSERR("platform_get_irq failed\n"); + r = -ENODEV; + goto err2; + } - dsi.vdds_dsi_reg = dss_get_vdds_dsi(); - if (IS_ERR(dsi.vdds_dsi_reg)) { - DSSERR("can't get VDDS_DSI regulator\n"); - r = PTR_ERR(dsi.vdds_dsi_reg); + r = request_irq(dsi.irq, omap_dsi_irq_handler, IRQF_SHARED, + "OMAP DSI1", dsi.pdev); + if (r < 0) { + DSSERR("request_irq failed\n"); goto err2; } + /* DSI VCs initialization */ + for (i = 0; i < ARRAY_SIZE(dsi.vc); i++) { + dsi.vc[i].mode = DSI_VC_MODE_L4; + dsi.vc[i].dssdev = NULL; + dsi.vc[i].vc_id = 0; + } + + dsi_calc_clock_param_ranges(); + enable_clocks(1); rev = dsi_read_reg(DSI_REVISION); - printk(KERN_INFO "OMAP DSI rev %d.%d\n", + dev_dbg(&pdev->dev, "OMAP DSI rev %d.%d\n", FLD_GET(rev, 7, 4), FLD_GET(rev, 3, 0)); enable_clocks(0); @@ -3298,8 +3731,14 @@ err1: return r; } -void dsi_exit(void) +static void dsi_exit(void) { + if (dsi.vdds_dsi_reg != NULL) { + regulator_put(dsi.vdds_dsi_reg); + dsi.vdds_dsi_reg = NULL; + } + + free_irq(dsi.irq, dsi.pdev); iounmap(dsi.base); destroy_workqueue(dsi.workqueue); @@ -3307,3 +3746,41 @@ void dsi_exit(void) DSSDBG("omap_dsi_exit\n"); } +/* DSI1 HW IP initialisation */ +static int omap_dsi1hw_probe(struct platform_device *pdev) +{ + int r; + dsi.pdev = pdev; + r = dsi_init(pdev); + if (r) { + DSSERR("Failed to initialize DSI\n"); + goto err_dsi; + } +err_dsi: + return r; +} + +static int omap_dsi1hw_remove(struct platform_device *pdev) +{ + dsi_exit(); + return 0; +} + +static struct platform_driver omap_dsi1hw_driver = { + .probe = omap_dsi1hw_probe, + .remove = omap_dsi1hw_remove, + .driver = { + .name = "omapdss_dsi1", + .owner = THIS_MODULE, + }, +}; + +int dsi_init_platform_driver(void) +{ + return platform_driver_register(&omap_dsi1hw_driver); +} + +void dsi_uninit_platform_driver(void) +{ + return platform_driver_unregister(&omap_dsi1hw_driver); +} diff --git a/drivers/video/omap2/dss/dss.c b/drivers/video/omap2/dss/dss.c index 77c3621..3f1fee6 100644 --- a/drivers/video/omap2/dss/dss.c +++ b/drivers/video/omap2/dss/dss.c @@ -26,14 +26,13 @@ #include <linux/io.h> #include <linux/err.h> #include <linux/delay.h> -#include <linux/interrupt.h> #include <linux/seq_file.h> #include <linux/clk.h> #include <plat/display.h> +#include <plat/clock.h> #include "dss.h" - -#define DSS_BASE 0x48050000 +#include "dss_features.h" #define DSS_SZ_REGS SZ_512 @@ -59,9 +58,17 @@ struct dss_reg { dss_write_reg(idx, FLD_MOD(dss_read_reg(idx), val, start, end)) static struct { + struct platform_device *pdev; void __iomem *base; + int ctx_id; struct clk *dpll4_m4_ck; + struct clk *dss_ick; + struct clk *dss_fck; + struct clk *dss_sys_clk; + struct clk *dss_tv_fck; + struct clk *dss_video_fck; + unsigned num_clks_enabled; unsigned long cache_req_pck; unsigned long cache_prate; @@ -70,10 +77,22 @@ static struct { enum dss_clk_source dsi_clk_source; enum dss_clk_source dispc_clk_source; + enum dss_clk_source lcd_clk_source[MAX_DSS_LCD_MANAGERS]; u32 ctx[DSS_SZ_REGS / sizeof(u32)]; } dss; +static const char * const dss_generic_clk_source_names[] = { + [DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC] = "DSI_PLL_HSDIV_DISPC", + [DSS_CLK_SRC_DSI_PLL_HSDIV_DSI] = "DSI_PLL_HSDIV_DSI", + [DSS_CLK_SRC_FCK] = "DSS_FCK", +}; + +static void dss_clk_enable_all_no_ctx(void); +static void dss_clk_disable_all_no_ctx(void); +static void dss_clk_enable_no_ctx(enum dss_clock clks); +static void dss_clk_disable_no_ctx(enum dss_clock clks); + static int _omap_dss_wait_reset(void); static inline void dss_write_reg(const struct dss_reg idx, u32 val) @@ -99,10 +118,11 @@ void dss_save_context(void) SR(SYSCONFIG); SR(CONTROL); -#ifdef CONFIG_OMAP2_DSS_SDI - SR(SDI_CONTROL); - SR(PLL_CONTROL); -#endif + if (dss_feat_get_supported_displays(OMAP_DSS_CHANNEL_LCD) & + OMAP_DISPLAY_TYPE_SDI) { + SR(SDI_CONTROL); + SR(PLL_CONTROL); + } } void dss_restore_context(void) @@ -113,10 +133,11 @@ void dss_restore_context(void) RR(SYSCONFIG); RR(CONTROL); -#ifdef CONFIG_OMAP2_DSS_SDI - RR(SDI_CONTROL); - RR(PLL_CONTROL); -#endif + if (dss_feat_get_supported_displays(OMAP_DSS_CHANNEL_LCD) & + OMAP_DISPLAY_TYPE_SDI) { + RR(SDI_CONTROL); + RR(PLL_CONTROL); + } } #undef SR @@ -209,66 +230,96 @@ void dss_sdi_disable(void) REG_FLD_MOD(DSS_PLL_CONTROL, 0, 18, 18); /* SDI_PLL_SYSRESET */ } +const char *dss_get_generic_clk_source_name(enum dss_clk_source clk_src) +{ + return dss_generic_clk_source_names[clk_src]; +} + void dss_dump_clocks(struct seq_file *s) { unsigned long dpll4_ck_rate; unsigned long dpll4_m4_ck_rate; + const char *fclk_name, *fclk_real_name; + unsigned long fclk_rate; - dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK1); - - dpll4_ck_rate = clk_get_rate(clk_get_parent(dss.dpll4_m4_ck)); - dpll4_m4_ck_rate = clk_get_rate(dss.dpll4_m4_ck); + dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK); seq_printf(s, "- DSS -\n"); - seq_printf(s, "dpll4_ck %lu\n", dpll4_ck_rate); + fclk_name = dss_get_generic_clk_source_name(DSS_CLK_SRC_FCK); + fclk_real_name = dss_feat_get_clk_source_name(DSS_CLK_SRC_FCK); + fclk_rate = dss_clk_get_rate(DSS_CLK_FCK); - if (cpu_is_omap3630()) - seq_printf(s, "dss1_alwon_fclk = %lu / %lu = %lu\n", - dpll4_ck_rate, - dpll4_ck_rate / dpll4_m4_ck_rate, - dss_clk_get_rate(DSS_CLK_FCK1)); - else - seq_printf(s, "dss1_alwon_fclk = %lu / %lu * 2 = %lu\n", - dpll4_ck_rate, - dpll4_ck_rate / dpll4_m4_ck_rate, - dss_clk_get_rate(DSS_CLK_FCK1)); + if (dss.dpll4_m4_ck) { + dpll4_ck_rate = clk_get_rate(clk_get_parent(dss.dpll4_m4_ck)); + dpll4_m4_ck_rate = clk_get_rate(dss.dpll4_m4_ck); + + seq_printf(s, "dpll4_ck %lu\n", dpll4_ck_rate); - dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK1); + if (cpu_is_omap3630() || cpu_is_omap44xx()) + seq_printf(s, "%s (%s) = %lu / %lu = %lu\n", + fclk_name, fclk_real_name, + dpll4_ck_rate, + dpll4_ck_rate / dpll4_m4_ck_rate, + fclk_rate); + else + seq_printf(s, "%s (%s) = %lu / %lu * 2 = %lu\n", + fclk_name, fclk_real_name, + dpll4_ck_rate, + dpll4_ck_rate / dpll4_m4_ck_rate, + fclk_rate); + } else { + seq_printf(s, "%s (%s) = %lu\n", + fclk_name, fclk_real_name, + fclk_rate); + } + + dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK); } void dss_dump_regs(struct seq_file *s) { #define DUMPREG(r) seq_printf(s, "%-35s %08x\n", #r, dss_read_reg(r)) - dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK1); + dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK); DUMPREG(DSS_REVISION); DUMPREG(DSS_SYSCONFIG); DUMPREG(DSS_SYSSTATUS); DUMPREG(DSS_IRQSTATUS); DUMPREG(DSS_CONTROL); - DUMPREG(DSS_SDI_CONTROL); - DUMPREG(DSS_PLL_CONTROL); - DUMPREG(DSS_SDI_STATUS); - dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK1); + if (dss_feat_get_supported_displays(OMAP_DSS_CHANNEL_LCD) & + OMAP_DISPLAY_TYPE_SDI) { + DUMPREG(DSS_SDI_CONTROL); + DUMPREG(DSS_PLL_CONTROL); + DUMPREG(DSS_SDI_STATUS); + } + + dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK); #undef DUMPREG } void dss_select_dispc_clk_source(enum dss_clk_source clk_src) { int b; + u8 start, end; + + switch (clk_src) { + case DSS_CLK_SRC_FCK: + b = 0; + break; + case DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC: + b = 1; + dsi_wait_pll_hsdiv_dispc_active(); + break; + default: + BUG(); + } - BUG_ON(clk_src != DSS_SRC_DSI1_PLL_FCLK && - clk_src != DSS_SRC_DSS1_ALWON_FCLK); - - b = clk_src == DSS_SRC_DSS1_ALWON_FCLK ? 0 : 1; - - if (clk_src == DSS_SRC_DSI1_PLL_FCLK) - dsi_wait_dsi1_pll_active(); + dss_feat_get_reg_field(FEAT_REG_DISPC_CLK_SWITCH, &start, &end); - REG_FLD_MOD(DSS_CONTROL, b, 0, 0); /* DISPC_CLK_SWITCH */ + REG_FLD_MOD(DSS_CONTROL, b, start, end); /* DISPC_CLK_SWITCH */ dss.dispc_clk_source = clk_src; } @@ -277,19 +328,51 @@ void dss_select_dsi_clk_source(enum dss_clk_source clk_src) { int b; - BUG_ON(clk_src != DSS_SRC_DSI2_PLL_FCLK && - clk_src != DSS_SRC_DSS1_ALWON_FCLK); - - b = clk_src == DSS_SRC_DSS1_ALWON_FCLK ? 0 : 1; - - if (clk_src == DSS_SRC_DSI2_PLL_FCLK) - dsi_wait_dsi2_pll_active(); + switch (clk_src) { + case DSS_CLK_SRC_FCK: + b = 0; + break; + case DSS_CLK_SRC_DSI_PLL_HSDIV_DSI: + b = 1; + dsi_wait_pll_hsdiv_dsi_active(); + break; + default: + BUG(); + } REG_FLD_MOD(DSS_CONTROL, b, 1, 1); /* DSI_CLK_SWITCH */ dss.dsi_clk_source = clk_src; } +void dss_select_lcd_clk_source(enum omap_channel channel, + enum dss_clk_source clk_src) +{ + int b, ix, pos; + + if (!dss_has_feature(FEAT_LCD_CLK_SRC)) + return; + + switch (clk_src) { + case DSS_CLK_SRC_FCK: + b = 0; + break; + case DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC: + BUG_ON(channel != OMAP_DSS_CHANNEL_LCD); + b = 1; + dsi_wait_pll_hsdiv_dispc_active(); + break; + default: + BUG(); + } + + pos = channel == OMAP_DSS_CHANNEL_LCD ? 0 : 12; + REG_FLD_MOD(DSS_CONTROL, b, pos, pos); /* LCDx_CLK_SWITCH */ + + ix = channel == OMAP_DSS_CHANNEL_LCD ? 0 : 1; + dss.lcd_clk_source[ix] = clk_src; +} + enum dss_clk_source dss_get_dispc_clk_source(void) { return dss.dispc_clk_source; @@ -300,34 +383,52 @@ enum dss_clk_source dss_get_dsi_clk_source(void) return dss.dsi_clk_source; } +enum dss_clk_source dss_get_lcd_clk_source(enum omap_channel channel) +{ + int ix = channel == OMAP_DSS_CHANNEL_LCD ? 0 : 1; + return dss.lcd_clk_source[ix]; +} + /* calculate clock rates using dividers in cinfo */ int dss_calc_clock_rates(struct dss_clock_info *cinfo) { - unsigned long prate; + if (dss.dpll4_m4_ck) { + unsigned long prate; + u16 fck_div_max = 16; - if (cinfo->fck_div > (cpu_is_omap3630() ? 32 : 16) || - cinfo->fck_div == 0) - return -EINVAL; + if (cpu_is_omap3630() || cpu_is_omap44xx()) + fck_div_max = 32; + + if (cinfo->fck_div > fck_div_max || cinfo->fck_div == 0) + return -EINVAL; - prate = clk_get_rate(clk_get_parent(dss.dpll4_m4_ck)); + prate = clk_get_rate(clk_get_parent(dss.dpll4_m4_ck)); - cinfo->fck = prate / cinfo->fck_div; + cinfo->fck = prate / cinfo->fck_div; + } else { + if (cinfo->fck_div != 0) + return -EINVAL; + cinfo->fck = dss_clk_get_rate(DSS_CLK_FCK); + } return 0; } int dss_set_clock_div(struct dss_clock_info *cinfo) { - unsigned long prate; - int r; + if (dss.dpll4_m4_ck) { + unsigned long prate; + int r; - if (cpu_is_omap34xx()) { prate = clk_get_rate(clk_get_parent(dss.dpll4_m4_ck)); DSSDBG("dpll4_m4 = %ld\n", prate); r = clk_set_rate(dss.dpll4_m4_ck, prate / cinfo->fck_div); if (r) return r; + } else { + if (cinfo->fck_div != 0) + return -EINVAL; } DSSDBG("fck = %ld (%d)\n", cinfo->fck, cinfo->fck_div); @@ -337,12 +438,14 @@ int dss_set_clock_div(struct dss_clock_info *cinfo) int dss_get_clock_div(struct dss_clock_info *cinfo) { - cinfo->fck = dss_clk_get_rate(DSS_CLK_FCK1); + cinfo->fck = dss_clk_get_rate(DSS_CLK_FCK); - if (cpu_is_omap34xx()) { + if (dss.dpll4_m4_ck) { unsigned long prate; + prate = clk_get_rate(clk_get_parent(dss.dpll4_m4_ck)); - if (cpu_is_omap3630()) + + if (cpu_is_omap3630() || cpu_is_omap44xx()) cinfo->fck_div = prate / (cinfo->fck); else cinfo->fck_div = prate / (cinfo->fck / 2); @@ -355,7 +458,7 @@ int dss_get_clock_div(struct dss_clock_info *cinfo) unsigned long dss_get_dpll4_rate(void) { - if (cpu_is_omap34xx()) + if (dss.dpll4_m4_ck) return clk_get_rate(clk_get_parent(dss.dpll4_m4_ck)); else return 0; @@ -369,16 +472,18 @@ int dss_calc_clock_div(bool is_tft, unsigned long req_pck, struct dss_clock_info best_dss; struct dispc_clock_info best_dispc; - unsigned long fck; + unsigned long fck, max_dss_fck; - u16 fck_div; + u16 fck_div, fck_div_max = 16; int match = 0; int min_fck_per_pck; prate = dss_get_dpll4_rate(); - fck = dss_clk_get_rate(DSS_CLK_FCK1); + max_dss_fck = dss_feat_get_param_max(FEAT_PARAM_DSS_FCK); + + fck = dss_clk_get_rate(DSS_CLK_FCK); if (req_pck == dss.cache_req_pck && ((cpu_is_omap34xx() && prate == dss.cache_prate) || dss.cache_dss_cinfo.fck == fck)) { @@ -391,7 +496,7 @@ int dss_calc_clock_div(bool is_tft, unsigned long req_pck, min_fck_per_pck = CONFIG_OMAP2_DSS_MIN_FCK_PER_PCK; if (min_fck_per_pck && - req_pck * min_fck_per_pck > DISPC_MAX_FCK) { + req_pck * min_fck_per_pck > max_dss_fck) { DSSERR("Requested pixel clock not possible with the current " "OMAP2_DSS_MIN_FCK_PER_PCK setting. Turning " "the constraint off.\n"); @@ -402,10 +507,10 @@ retry: memset(&best_dss, 0, sizeof(best_dss)); memset(&best_dispc, 0, sizeof(best_dispc)); - if (cpu_is_omap24xx()) { + if (dss.dpll4_m4_ck == NULL) { struct dispc_clock_info cur_dispc; /* XXX can we change the clock on omap2? */ - fck = dss_clk_get_rate(DSS_CLK_FCK1); + fck = dss_clk_get_rate(DSS_CLK_FCK); fck_div = 1; dispc_find_clk_divs(is_tft, req_pck, fck, &cur_dispc); @@ -417,17 +522,19 @@ retry: best_dispc = cur_dispc; goto found; - } else if (cpu_is_omap34xx()) { - for (fck_div = (cpu_is_omap3630() ? 32 : 16); - fck_div > 0; --fck_div) { + } else { + if (cpu_is_omap3630() || cpu_is_omap44xx()) + fck_div_max = 32; + + for (fck_div = fck_div_max; fck_div > 0; --fck_div) { struct dispc_clock_info cur_dispc; - if (cpu_is_omap3630()) + if (fck_div_max == 32) fck = prate / fck_div; else fck = prate / fck_div * 2; - if (fck > DISPC_MAX_FCK) + if (fck > max_dss_fck) continue; if (min_fck_per_pck && @@ -450,8 +557,6 @@ retry: goto found; } } - } else { - BUG(); } found: @@ -482,31 +587,6 @@ found: return 0; } - - -static irqreturn_t dss_irq_handler_omap2(int irq, void *arg) -{ - dispc_irq_handler(); - - return IRQ_HANDLED; -} - -static irqreturn_t dss_irq_handler_omap3(int irq, void *arg) -{ - u32 irqstatus; - - irqstatus = dss_read_reg(DSS_IRQSTATUS); - - if (irqstatus & (1<<0)) /* DISPC_IRQ */ - dispc_irq_handler(); -#ifdef CONFIG_OMAP2_DSS_DSI - if (irqstatus & (1<<1)) /* DSI_IRQ */ - dsi_irq_handler(); -#endif - - return IRQ_HANDLED; -} - static int _omap_dss_wait_reset(void) { int t = 0; @@ -549,34 +629,45 @@ void dss_set_dac_pwrdn_bgz(bool enable) REG_FLD_MOD(DSS_CONTROL, enable, 5, 5); /* DAC Power-Down Control */ } -int dss_init(bool skip_init) +void dss_select_hdmi_venc_clk_source(enum dss_hdmi_venc_clk_source_select hdmi) +{ + REG_FLD_MOD(DSS_CONTROL, hdmi, 15, 15); /* VENC_HDMI_SWITCH */ +} + +static int dss_init(void) { int r; u32 rev; + struct resource *dss_mem; + struct clk *dpll4_m4_ck; - dss.base = ioremap(DSS_BASE, DSS_SZ_REGS); + dss_mem = platform_get_resource(dss.pdev, IORESOURCE_MEM, 0); + if (!dss_mem) { + DSSERR("can't get IORESOURCE_MEM DSS\n"); + r = -EINVAL; + goto fail0; + } + dss.base = ioremap(dss_mem->start, resource_size(dss_mem)); if (!dss.base) { DSSERR("can't ioremap DSS\n"); r = -ENOMEM; goto fail0; } - if (!skip_init) { - /* disable LCD and DIGIT output. This seems to fix the synclost - * problem that we get, if the bootloader starts the DSS and - * the kernel resets it */ - omap_writel(omap_readl(0x48050440) & ~0x3, 0x48050440); + /* disable LCD and DIGIT output. This seems to fix the synclost + * problem that we get, if the bootloader starts the DSS and + * the kernel resets it */ + omap_writel(omap_readl(0x48050440) & ~0x3, 0x48050440); - /* We need to wait here a bit, otherwise we sometimes start to - * get synclost errors, and after that only power cycle will - * restore DSS functionality. I have no idea why this happens. - * And we have to wait _before_ resetting the DSS, but after - * enabling clocks. - */ - msleep(50); + /* We need to wait here a bit, otherwise we sometimes start to + * get synclost errors, and after that only power cycle will + * restore DSS functionality. I have no idea why this happens. + * And we have to wait _before_ resetting the DSS, but after + * enabling clocks. + */ + msleep(50); - _omap_dss_reset(); - } + _omap_dss_reset(); /* autoidle */ REG_FLD_MOD(DSS_SYSCONFIG, 1, 0, 0); @@ -589,29 +680,30 @@ int dss_init(bool skip_init) REG_FLD_MOD(DSS_CONTROL, 1, 3, 3); /* venc clock 4x enable */ REG_FLD_MOD(DSS_CONTROL, 0, 2, 2); /* venc clock mode = normal */ #endif - - r = request_irq(INT_24XX_DSS_IRQ, - cpu_is_omap24xx() - ? dss_irq_handler_omap2 - : dss_irq_handler_omap3, - 0, "OMAP DSS", NULL); - - if (r < 0) { - DSSERR("omap2 dss: request_irq failed\n"); - goto fail1; - } - if (cpu_is_omap34xx()) { - dss.dpll4_m4_ck = clk_get(NULL, "dpll4_m4_ck"); - if (IS_ERR(dss.dpll4_m4_ck)) { + dpll4_m4_ck = clk_get(NULL, "dpll4_m4_ck"); + if (IS_ERR(dpll4_m4_ck)) { DSSERR("Failed to get dpll4_m4_ck\n"); - r = PTR_ERR(dss.dpll4_m4_ck); - goto fail2; + r = PTR_ERR(dpll4_m4_ck); + goto fail1; } + } else if (cpu_is_omap44xx()) { + dpll4_m4_ck = clk_get(NULL, "dpll_per_m5x2_ck"); + if (IS_ERR(dpll4_m4_ck)) { + DSSERR("Failed to get dpll4_m4_ck\n"); + r = PTR_ERR(dpll4_m4_ck); + goto fail1; + } + } else { /* omap24xx */ + dpll4_m4_ck = NULL; } - dss.dsi_clk_source = DSS_SRC_DSS1_ALWON_FCLK; - dss.dispc_clk_source = DSS_SRC_DSS1_ALWON_FCLK; + dss.dpll4_m4_ck = dpll4_m4_ck; + + dss.dsi_clk_source = DSS_CLK_SRC_FCK; + dss.dispc_clk_source = DSS_CLK_SRC_FCK; + dss.lcd_clk_source[0] = DSS_CLK_SRC_FCK; + dss.lcd_clk_source[1] = DSS_CLK_SRC_FCK; dss_save_context(); @@ -621,21 +713,416 @@ int dss_init(bool skip_init) return 0; -fail2: - free_irq(INT_24XX_DSS_IRQ, NULL); fail1: iounmap(dss.base); fail0: return r; } -void dss_exit(void) +static void dss_exit(void) { - if (cpu_is_omap34xx()) + if (dss.dpll4_m4_ck) clk_put(dss.dpll4_m4_ck); - free_irq(INT_24XX_DSS_IRQ, NULL); - iounmap(dss.base); } +/* CONTEXT */ +static int dss_get_ctx_id(void) +{ + struct omap_display_platform_data *pdata = dss.pdev->dev.platform_data; + int r; + + if (!pdata->board_data->get_last_off_on_transaction_id) + return 0; + r = pdata->board_data->get_last_off_on_transaction_id(&dss.pdev->dev); + if (r < 0) { + dev_err(&dss.pdev->dev, "getting transaction ID failed, " + "will force context restore\n"); + r = -1; + } + return r; +} + +int dss_need_ctx_restore(void) +{ + int id = dss_get_ctx_id(); + + if (id < 0 || id != dss.ctx_id) { + DSSDBG("ctx id %d -> id %d\n", + dss.ctx_id, id); + dss.ctx_id = id; + return 1; + } else { + return 0; + } +} + +static void save_all_ctx(void) +{ + DSSDBG("save context\n"); + + dss_clk_enable_no_ctx(DSS_CLK_ICK | DSS_CLK_FCK); + + dss_save_context(); + dispc_save_context(); +#ifdef CONFIG_OMAP2_DSS_DSI + dsi_save_context(); +#endif + + dss_clk_disable_no_ctx(DSS_CLK_ICK | DSS_CLK_FCK); +} + +static void restore_all_ctx(void) +{ + DSSDBG("restore context\n"); + + dss_clk_enable_all_no_ctx(); + + dss_restore_context(); + dispc_restore_context(); +#ifdef CONFIG_OMAP2_DSS_DSI + dsi_restore_context(); +#endif + + dss_clk_disable_all_no_ctx(); +} + +static int dss_get_clock(struct clk **clock, const char *clk_name) +{ + struct clk *clk; + + clk = clk_get(&dss.pdev->dev, clk_name); + + if (IS_ERR(clk)) { + DSSERR("can't get clock %s", clk_name); + return PTR_ERR(clk); + } + + *clock = clk; + + DSSDBG("clk %s, rate %ld\n", clk_name, clk_get_rate(clk)); + + return 0; +} + +static int dss_get_clocks(void) +{ + int r; + struct omap_display_platform_data *pdata = dss.pdev->dev.platform_data; + + dss.dss_ick = NULL; + dss.dss_fck = NULL; + dss.dss_sys_clk = NULL; + dss.dss_tv_fck = NULL; + dss.dss_video_fck = NULL; + + r = dss_get_clock(&dss.dss_ick, "ick"); + if (r) + goto err; + + r = dss_get_clock(&dss.dss_fck, "fck"); + if (r) + goto err; + + if (!pdata->opt_clock_available) { + r = -ENODEV; + goto err; + } + + if (pdata->opt_clock_available("sys_clk")) { + r = dss_get_clock(&dss.dss_sys_clk, "sys_clk"); + if (r) + goto err; + } + + if (pdata->opt_clock_available("tv_clk")) { + r = dss_get_clock(&dss.dss_tv_fck, "tv_clk"); + if (r) + goto err; + } + + if (pdata->opt_clock_available("video_clk")) { + r = dss_get_clock(&dss.dss_video_fck, "video_clk"); + if (r) + goto err; + } + + return 0; + +err: + if (dss.dss_ick) + clk_put(dss.dss_ick); + if (dss.dss_fck) + clk_put(dss.dss_fck); + if (dss.dss_sys_clk) + clk_put(dss.dss_sys_clk); + if (dss.dss_tv_fck) + clk_put(dss.dss_tv_fck); + if (dss.dss_video_fck) + clk_put(dss.dss_video_fck); + + return r; +} + +static void dss_put_clocks(void) +{ + if (dss.dss_video_fck) + clk_put(dss.dss_video_fck); + if (dss.dss_tv_fck) + clk_put(dss.dss_tv_fck); + if (dss.dss_sys_clk) + clk_put(dss.dss_sys_clk); + clk_put(dss.dss_fck); + clk_put(dss.dss_ick); +} + +unsigned long dss_clk_get_rate(enum dss_clock clk) +{ + switch (clk) { + case DSS_CLK_ICK: + return clk_get_rate(dss.dss_ick); + case DSS_CLK_FCK: + return clk_get_rate(dss.dss_fck); + case DSS_CLK_SYSCK: + return clk_get_rate(dss.dss_sys_clk); + case DSS_CLK_TVFCK: + return clk_get_rate(dss.dss_tv_fck); + case DSS_CLK_VIDFCK: + return clk_get_rate(dss.dss_video_fck); + } + + BUG(); + return 0; +} + +static unsigned count_clk_bits(enum dss_clock clks) +{ + unsigned num_clks = 0; + + if (clks & DSS_CLK_ICK) + ++num_clks; + if (clks & DSS_CLK_FCK) + ++num_clks; + if (clks & DSS_CLK_SYSCK) + ++num_clks; + if (clks & DSS_CLK_TVFCK) + ++num_clks; + if (clks & DSS_CLK_VIDFCK) + ++num_clks; + + return num_clks; +} + +static void dss_clk_enable_no_ctx(enum dss_clock clks) +{ + unsigned num_clks = count_clk_bits(clks); + + if (clks & DSS_CLK_ICK) + clk_enable(dss.dss_ick); + if (clks & DSS_CLK_FCK) + clk_enable(dss.dss_fck); + if ((clks & DSS_CLK_SYSCK) && dss.dss_sys_clk) + clk_enable(dss.dss_sys_clk); + if ((clks & DSS_CLK_TVFCK) && dss.dss_tv_fck) + clk_enable(dss.dss_tv_fck); + if ((clks & DSS_CLK_VIDFCK) && dss.dss_video_fck) + clk_enable(dss.dss_video_fck); + + dss.num_clks_enabled += num_clks; +} + +void dss_clk_enable(enum dss_clock clks) +{ + bool check_ctx = dss.num_clks_enabled == 0; + + dss_clk_enable_no_ctx(clks); + + /* + * HACK: On omap4 the registers may not be accessible right after + * enabling the clocks. At some point this will be handled by + * pm_runtime, but for the time begin this should make things work. + */ + if (cpu_is_omap44xx() && check_ctx) + udelay(10); + + if (check_ctx && cpu_is_omap34xx() && dss_need_ctx_restore()) + restore_all_ctx(); +} + +static void dss_clk_disable_no_ctx(enum dss_clock clks) +{ + unsigned num_clks = count_clk_bits(clks); + + if (clks & DSS_CLK_ICK) + clk_disable(dss.dss_ick); + if (clks & DSS_CLK_FCK) + clk_disable(dss.dss_fck); + if ((clks & DSS_CLK_SYSCK) && dss.dss_sys_clk) + clk_disable(dss.dss_sys_clk); + if ((clks & DSS_CLK_TVFCK) && dss.dss_tv_fck) + clk_disable(dss.dss_tv_fck); + if ((clks & DSS_CLK_VIDFCK) && dss.dss_video_fck) + clk_disable(dss.dss_video_fck); + + dss.num_clks_enabled -= num_clks; +} + +void dss_clk_disable(enum dss_clock clks) +{ + if (cpu_is_omap34xx()) { + unsigned num_clks = count_clk_bits(clks); + + BUG_ON(dss.num_clks_enabled < num_clks); + + if (dss.num_clks_enabled == num_clks) + save_all_ctx(); + } + + dss_clk_disable_no_ctx(clks); +} + +static void dss_clk_enable_all_no_ctx(void) +{ + enum dss_clock clks; + + clks = DSS_CLK_ICK | DSS_CLK_FCK | DSS_CLK_SYSCK | DSS_CLK_TVFCK; + if (cpu_is_omap34xx()) + clks |= DSS_CLK_VIDFCK; + dss_clk_enable_no_ctx(clks); +} + +static void dss_clk_disable_all_no_ctx(void) +{ + enum dss_clock clks; + + clks = DSS_CLK_ICK | DSS_CLK_FCK | DSS_CLK_SYSCK | DSS_CLK_TVFCK; + if (cpu_is_omap34xx()) + clks |= DSS_CLK_VIDFCK; + dss_clk_disable_no_ctx(clks); +} + +#if defined(CONFIG_DEBUG_FS) && defined(CONFIG_OMAP2_DSS_DEBUG_SUPPORT) +/* CLOCKS */ +static void core_dump_clocks(struct seq_file *s) +{ + int i; + struct clk *clocks[5] = { + dss.dss_ick, + dss.dss_fck, + dss.dss_sys_clk, + dss.dss_tv_fck, + dss.dss_video_fck + }; + + seq_printf(s, "- CORE -\n"); + + seq_printf(s, "internal clk count\t\t%u\n", dss.num_clks_enabled); + + for (i = 0; i < 5; i++) { + if (!clocks[i]) + continue; + seq_printf(s, "%-15s\t%lu\t%d\n", + clocks[i]->name, + clk_get_rate(clocks[i]), + clocks[i]->usecount); + } +} +#endif /* defined(CONFIG_DEBUG_FS) && defined(CONFIG_OMAP2_DSS_DEBUG_SUPPORT) */ + +/* DEBUGFS */ +#if defined(CONFIG_DEBUG_FS) && defined(CONFIG_OMAP2_DSS_DEBUG_SUPPORT) +void dss_debug_dump_clocks(struct seq_file *s) +{ + core_dump_clocks(s); + dss_dump_clocks(s); + dispc_dump_clocks(s); +#ifdef CONFIG_OMAP2_DSS_DSI + dsi_dump_clocks(s); +#endif +} +#endif + + +/* DSS HW IP initialisation */ +static int omap_dsshw_probe(struct platform_device *pdev) +{ + int r; + + dss.pdev = pdev; + + r = dss_get_clocks(); + if (r) + goto err_clocks; + + dss_clk_enable_all_no_ctx(); + + dss.ctx_id = dss_get_ctx_id(); + DSSDBG("initial ctx id %u\n", dss.ctx_id); + + r = dss_init(); + if (r) { + DSSERR("Failed to initialize DSS\n"); + goto err_dss; + } + + r = dpi_init(); + if (r) { + DSSERR("Failed to initialize DPI\n"); + goto err_dpi; + } + + r = sdi_init(); + if (r) { + DSSERR("Failed to initialize SDI\n"); + goto err_sdi; + } + + dss_clk_disable_all_no_ctx(); + return 0; +err_sdi: + dpi_exit(); +err_dpi: + dss_exit(); +err_dss: + dss_clk_disable_all_no_ctx(); + dss_put_clocks(); +err_clocks: + return r; +} + +static int omap_dsshw_remove(struct platform_device *pdev) +{ + + dss_exit(); + + /* + * As part of hwmod changes, DSS is not the only controller of dss + * clocks; hwmod framework itself will also enable clocks during hwmod + * init for dss, and autoidle is set in h/w for DSS. Hence, there's no + * need to disable clocks if their usecounts > 1. + */ + WARN_ON(dss.num_clks_enabled > 0); + + dss_put_clocks(); + return 0; +} + +static struct platform_driver omap_dsshw_driver = { + .probe = omap_dsshw_probe, + .remove = omap_dsshw_remove, + .driver = { + .name = "omapdss_dss", + .owner = THIS_MODULE, + }, +}; + +int dss_init_platform_driver(void) +{ + return platform_driver_register(&omap_dsshw_driver); +} + +void dss_uninit_platform_driver(void) +{ + return platform_driver_unregister(&omap_dsshw_driver); +} diff --git a/drivers/video/omap2/dss/dss.h b/drivers/video/omap2/dss/dss.h index b394951..c2f582bb19 100644 --- a/drivers/video/omap2/dss/dss.h +++ b/drivers/video/omap2/dss/dss.h @@ -97,8 +97,6 @@ extern unsigned int dss_debug; #define FLD_MOD(orig, val, start, end) \ (((orig) & ~FLD_MASK(start, end)) | FLD_VAL(val, start, end)) -#define DISPC_MAX_FCK 173000000 - enum omap_burst_size { OMAP_DSS_BURST_4x32 = 0, OMAP_DSS_BURST_8x32 = 1, @@ -112,17 +110,25 @@ enum omap_parallel_interface_mode { }; enum dss_clock { - DSS_CLK_ICK = 1 << 0, - DSS_CLK_FCK1 = 1 << 1, - DSS_CLK_FCK2 = 1 << 2, - DSS_CLK_54M = 1 << 3, - DSS_CLK_96M = 1 << 4, + DSS_CLK_ICK = 1 << 0, /* DSS_L3_ICLK and DSS_L4_ICLK */ + DSS_CLK_FCK = 1 << 1, /* DSS1_ALWON_FCLK */ + DSS_CLK_SYSCK = 1 << 2, /* DSS2_ALWON_FCLK */ + DSS_CLK_TVFCK = 1 << 3, /* DSS_TV_FCLK */ + DSS_CLK_VIDFCK = 1 << 4, /* DSS_96M_FCLK*/ }; enum dss_clk_source { - DSS_SRC_DSI1_PLL_FCLK, - DSS_SRC_DSI2_PLL_FCLK, - DSS_SRC_DSS1_ALWON_FCLK, + DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC, /* OMAP3: DSI1_PLL_FCLK + * OMAP4: PLL1_CLK1 */ + DSS_CLK_SRC_DSI_PLL_HSDIV_DSI, /* OMAP3: DSI2_PLL_FCLK + * OMAP4: PLL1_CLK2 */ + DSS_CLK_SRC_FCK, /* OMAP2/3: DSS1_ALWON_FCLK + * OMAP4: DSS_FCLK */ +}; + +enum dss_hdmi_venc_clk_source_select { + DSS_VENC_TV_CLK = 0, + DSS_HDMI_M_PCLK = 1, }; struct dss_clock_info { @@ -148,36 +154,42 @@ struct dsi_clock_info { unsigned long fint; unsigned long clkin4ddr; unsigned long clkin; - unsigned long dsi1_pll_fclk; - unsigned long dsi2_pll_fclk; - + unsigned long dsi_pll_hsdiv_dispc_clk; /* OMAP3: DSI1_PLL_CLK + * OMAP4: PLLx_CLK1 */ + unsigned long dsi_pll_hsdiv_dsi_clk; /* OMAP3: DSI2_PLL_CLK + * OMAP4: PLLx_CLK2 */ unsigned long lp_clk; /* dividers */ u16 regn; u16 regm; - u16 regm3; - u16 regm4; - + u16 regm_dispc; /* OMAP3: REGM3 + * OMAP4: REGM4 */ + u16 regm_dsi; /* OMAP3: REGM4 + * OMAP4: REGM5 */ u16 lp_clk_div; u8 highfreq; - bool use_dss2_fck; + bool use_sys_clk; +}; + +/* HDMI PLL structure */ +struct hdmi_pll_info { + u16 regn; + u16 regm; + u32 regmf; + u16 regm2; + u16 regsd; + u16 dcofreq; }; struct seq_file; struct platform_device; /* core */ -void dss_clk_enable(enum dss_clock clks); -void dss_clk_disable(enum dss_clock clks); -unsigned long dss_clk_get_rate(enum dss_clock clk); -int dss_need_ctx_restore(void); -void dss_dump_clocks(struct seq_file *s); struct bus_type *dss_get_bus(void); struct regulator *dss_get_vdds_dsi(void); struct regulator *dss_get_vdds_sdi(void); -struct regulator *dss_get_vdda_dac(void); /* display */ int dss_suspend_all_devices(void); @@ -214,13 +226,23 @@ void dss_overlay_setup_l4_manager(struct omap_overlay_manager *mgr); void dss_recheck_connections(struct omap_dss_device *dssdev, bool force); /* DSS */ -int dss_init(bool skip_init); -void dss_exit(void); +int dss_init_platform_driver(void); +void dss_uninit_platform_driver(void); +void dss_select_hdmi_venc_clk_source(enum dss_hdmi_venc_clk_source_select); void dss_save_context(void); void dss_restore_context(void); +void dss_clk_enable(enum dss_clock clks); +void dss_clk_disable(enum dss_clock clks); +unsigned long dss_clk_get_rate(enum dss_clock clk); +int dss_need_ctx_restore(void); +const char *dss_get_generic_clk_source_name(enum dss_clk_source clk_src); +void dss_dump_clocks(struct seq_file *s); void dss_dump_regs(struct seq_file *s); +#if defined(CONFIG_DEBUG_FS) && defined(CONFIG_OMAP2_DSS_DEBUG_SUPPORT) +void dss_debug_dump_clocks(struct seq_file *s); +#endif void dss_sdi_init(u8 datapairs); int dss_sdi_enable(void); @@ -228,8 +250,11 @@ void dss_sdi_disable(void); void dss_select_dispc_clk_source(enum dss_clk_source clk_src); void dss_select_dsi_clk_source(enum dss_clk_source clk_src); +void dss_select_lcd_clk_source(enum omap_channel channel, + enum dss_clk_source clk_src); enum dss_clk_source dss_get_dispc_clk_source(void); enum dss_clk_source dss_get_dsi_clk_source(void); +enum dss_clk_source dss_get_lcd_clk_source(enum omap_channel channel); void dss_set_venc_output(enum omap_dss_venc_type type); void dss_set_dac_pwrdn_bgz(bool enable); @@ -244,11 +269,11 @@ int dss_calc_clock_div(bool is_tft, unsigned long req_pck, /* SDI */ #ifdef CONFIG_OMAP2_DSS_SDI -int sdi_init(bool skip_init); +int sdi_init(void); void sdi_exit(void); int sdi_init_display(struct omap_dss_device *display); #else -static inline int sdi_init(bool skip_init) +static inline int sdi_init(void) { return 0; } @@ -259,8 +284,8 @@ static inline void sdi_exit(void) /* DSI */ #ifdef CONFIG_OMAP2_DSS_DSI -int dsi_init(struct platform_device *pdev); -void dsi_exit(void); +int dsi_init_platform_driver(void); +void dsi_uninit_platform_driver(void); void dsi_dump_clocks(struct seq_file *s); void dsi_dump_irqs(struct seq_file *s); @@ -271,7 +296,7 @@ void dsi_restore_context(void); int dsi_init_display(struct omap_dss_device *display); void dsi_irq_handler(void); -unsigned long dsi_get_dsi1_pll_rate(void); +unsigned long dsi_get_pll_hsdiv_dispc_rate(void); int dsi_pll_set_clock_div(struct dsi_clock_info *cinfo); int dsi_pll_calc_clock_div_pck(bool is_tft, unsigned long req_pck, struct dsi_clock_info *cinfo, @@ -282,31 +307,36 @@ void dsi_pll_uninit(void); void dsi_get_overlay_fifo_thresholds(enum omap_plane plane, u32 fifo_size, enum omap_burst_size *burst_size, u32 *fifo_low, u32 *fifo_high); -void dsi_wait_dsi1_pll_active(void); -void dsi_wait_dsi2_pll_active(void); +void dsi_wait_pll_hsdiv_dispc_active(void); +void dsi_wait_pll_hsdiv_dsi_active(void); #else -static inline int dsi_init(struct platform_device *pdev) +static inline int dsi_init_platform_driver(void) { return 0; } -static inline void dsi_exit(void) +static inline void dsi_uninit_platform_driver(void) { } -static inline void dsi_wait_dsi1_pll_active(void) +static inline unsigned long dsi_get_pll_hsdiv_dispc_rate(void) { + WARN("%s: DSI not compiled in, returning rate as 0\n", __func__); + return 0; } -static inline void dsi_wait_dsi2_pll_active(void) +static inline void dsi_wait_pll_hsdiv_dispc_active(void) +{ +} +static inline void dsi_wait_pll_hsdiv_dsi_active(void) { } #endif /* DPI */ #ifdef CONFIG_OMAP2_DSS_DPI -int dpi_init(struct platform_device *pdev); +int dpi_init(void); void dpi_exit(void); int dpi_init_display(struct omap_dss_device *dssdev); #else -static inline int dpi_init(struct platform_device *pdev) +static inline int dpi_init(void) { return 0; } @@ -316,8 +346,8 @@ static inline void dpi_exit(void) #endif /* DISPC */ -int dispc_init(void); -void dispc_exit(void); +int dispc_init_platform_driver(void); +void dispc_uninit_platform_driver(void); void dispc_dump_clocks(struct seq_file *s); void dispc_dump_irqs(struct seq_file *s); void dispc_dump_regs(struct seq_file *s); @@ -350,6 +380,7 @@ void dispc_set_plane_size(enum omap_plane plane, u16 width, u16 height); void dispc_set_channel_out(enum omap_plane plane, enum omap_channel channel_out); +void dispc_enable_gamma_table(bool enable); int dispc_setup_plane(enum omap_plane plane, u32 paddr, u16 screen_width, u16 pos_x, u16 pos_y, @@ -409,24 +440,50 @@ int dispc_get_clock_div(enum omap_channel channel, /* VENC */ #ifdef CONFIG_OMAP2_DSS_VENC -int venc_init(struct platform_device *pdev); -void venc_exit(void); +int venc_init_platform_driver(void); +void venc_uninit_platform_driver(void); void venc_dump_regs(struct seq_file *s); int venc_init_display(struct omap_dss_device *display); #else -static inline int venc_init(struct platform_device *pdev) +static inline int venc_init_platform_driver(void) +{ + return 0; +} +static inline void venc_uninit_platform_driver(void) +{ +} +#endif + +/* HDMI */ +#ifdef CONFIG_OMAP4_DSS_HDMI +int hdmi_init_platform_driver(void); +void hdmi_uninit_platform_driver(void); +int hdmi_init_display(struct omap_dss_device *dssdev); +#else +static inline int hdmi_init_display(struct omap_dss_device *dssdev) +{ + return 0; +} +static inline int hdmi_init_platform_driver(void) { return 0; } -static inline void venc_exit(void) +static inline void hdmi_uninit_platform_driver(void) { } #endif +int omapdss_hdmi_display_enable(struct omap_dss_device *dssdev); +void omapdss_hdmi_display_disable(struct omap_dss_device *dssdev); +void omapdss_hdmi_display_set_timing(struct omap_dss_device *dssdev); +int omapdss_hdmi_display_check_timing(struct omap_dss_device *dssdev, + struct omap_video_timings *timings); +int hdmi_panel_init(void); +void hdmi_panel_exit(void); /* RFBI */ #ifdef CONFIG_OMAP2_DSS_RFBI -int rfbi_init(void); -void rfbi_exit(void); +int rfbi_init_platform_driver(void); +void rfbi_uninit_platform_driver(void); void rfbi_dump_regs(struct seq_file *s); int rfbi_configure(int rfbi_module, int bpp, int lines); @@ -437,11 +494,11 @@ void rfbi_set_timings(int rfbi_module, struct rfbi_timings *t); unsigned long rfbi_get_max_tx_rate(void); int rfbi_init_display(struct omap_dss_device *display); #else -static inline int rfbi_init(void) +static inline int rfbi_init_platform_driver(void) { return 0; } -static inline void rfbi_exit(void) +static inline void rfbi_uninit_platform_driver(void) { } #endif diff --git a/drivers/video/omap2/dss/dss_features.c b/drivers/video/omap2/dss/dss_features.c index cf3ef69..aa16222 100644 --- a/drivers/video/omap2/dss/dss_features.c +++ b/drivers/video/omap2/dss/dss_features.c @@ -25,14 +25,18 @@ #include <plat/display.h> #include <plat/cpu.h> +#include "dss.h" #include "dss_features.h" /* Defines a generic omap register field */ struct dss_reg_field { - enum dss_feat_reg_field id; u8 start, end; }; +struct dss_param_range { + int min, max; +}; + struct omap_dss_features { const struct dss_reg_field *reg_fields; const int num_reg_fields; @@ -43,29 +47,68 @@ struct omap_dss_features { const int num_ovls; const enum omap_display_type *supported_displays; const enum omap_color_mode *supported_color_modes; + const char * const *clksrc_names; + const struct dss_param_range *dss_params; }; /* This struct is assigned to one of the below during initialization */ static struct omap_dss_features *omap_current_dss_features; static const struct dss_reg_field omap2_dss_reg_fields[] = { - { FEAT_REG_FIRHINC, 11, 0 }, - { FEAT_REG_FIRVINC, 27, 16 }, - { FEAT_REG_FIFOLOWTHRESHOLD, 8, 0 }, - { FEAT_REG_FIFOHIGHTHRESHOLD, 24, 16 }, - { FEAT_REG_FIFOSIZE, 8, 0 }, + [FEAT_REG_FIRHINC] = { 11, 0 }, + [FEAT_REG_FIRVINC] = { 27, 16 }, + [FEAT_REG_FIFOLOWTHRESHOLD] = { 8, 0 }, + [FEAT_REG_FIFOHIGHTHRESHOLD] = { 24, 16 }, + [FEAT_REG_FIFOSIZE] = { 8, 0 }, + [FEAT_REG_HORIZONTALACCU] = { 9, 0 }, + [FEAT_REG_VERTICALACCU] = { 25, 16 }, + [FEAT_REG_DISPC_CLK_SWITCH] = { 0, 0 }, + [FEAT_REG_DSIPLL_REGN] = { 0, 0 }, + [FEAT_REG_DSIPLL_REGM] = { 0, 0 }, + [FEAT_REG_DSIPLL_REGM_DISPC] = { 0, 0 }, + [FEAT_REG_DSIPLL_REGM_DSI] = { 0, 0 }, }; static const struct dss_reg_field omap3_dss_reg_fields[] = { - { FEAT_REG_FIRHINC, 12, 0 }, - { FEAT_REG_FIRVINC, 28, 16 }, - { FEAT_REG_FIFOLOWTHRESHOLD, 11, 0 }, - { FEAT_REG_FIFOHIGHTHRESHOLD, 27, 16 }, - { FEAT_REG_FIFOSIZE, 10, 0 }, + [FEAT_REG_FIRHINC] = { 12, 0 }, + [FEAT_REG_FIRVINC] = { 28, 16 }, + [FEAT_REG_FIFOLOWTHRESHOLD] = { 11, 0 }, + [FEAT_REG_FIFOHIGHTHRESHOLD] = { 27, 16 }, + [FEAT_REG_FIFOSIZE] = { 10, 0 }, + [FEAT_REG_HORIZONTALACCU] = { 9, 0 }, + [FEAT_REG_VERTICALACCU] = { 25, 16 }, + [FEAT_REG_DISPC_CLK_SWITCH] = { 0, 0 }, + [FEAT_REG_DSIPLL_REGN] = { 7, 1 }, + [FEAT_REG_DSIPLL_REGM] = { 18, 8 }, + [FEAT_REG_DSIPLL_REGM_DISPC] = { 22, 19 }, + [FEAT_REG_DSIPLL_REGM_DSI] = { 26, 23 }, +}; + +static const struct dss_reg_field omap4_dss_reg_fields[] = { + [FEAT_REG_FIRHINC] = { 12, 0 }, + [FEAT_REG_FIRVINC] = { 28, 16 }, + [FEAT_REG_FIFOLOWTHRESHOLD] = { 15, 0 }, + [FEAT_REG_FIFOHIGHTHRESHOLD] = { 31, 16 }, + [FEAT_REG_FIFOSIZE] = { 15, 0 }, + [FEAT_REG_HORIZONTALACCU] = { 10, 0 }, + [FEAT_REG_VERTICALACCU] = { 26, 16 }, + [FEAT_REG_DISPC_CLK_SWITCH] = { 9, 8 }, + [FEAT_REG_DSIPLL_REGN] = { 8, 1 }, + [FEAT_REG_DSIPLL_REGM] = { 20, 9 }, + [FEAT_REG_DSIPLL_REGM_DISPC] = { 25, 21 }, + [FEAT_REG_DSIPLL_REGM_DSI] = { 30, 26 }, }; static const enum omap_display_type omap2_dss_supported_displays[] = { /* OMAP_DSS_CHANNEL_LCD */ + OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI, + + /* OMAP_DSS_CHANNEL_DIGIT */ + OMAP_DISPLAY_TYPE_VENC, +}; + +static const enum omap_display_type omap3430_dss_supported_displays[] = { + /* OMAP_DSS_CHANNEL_LCD */ OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI | OMAP_DISPLAY_TYPE_SDI | OMAP_DISPLAY_TYPE_DSI, @@ -73,10 +116,10 @@ static const enum omap_display_type omap2_dss_supported_displays[] = { OMAP_DISPLAY_TYPE_VENC, }; -static const enum omap_display_type omap3_dss_supported_displays[] = { +static const enum omap_display_type omap3630_dss_supported_displays[] = { /* OMAP_DSS_CHANNEL_LCD */ OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI | - OMAP_DISPLAY_TYPE_SDI | OMAP_DISPLAY_TYPE_DSI, + OMAP_DISPLAY_TYPE_DSI, /* OMAP_DSS_CHANNEL_DIGIT */ OMAP_DISPLAY_TYPE_VENC, @@ -87,7 +130,7 @@ static const enum omap_display_type omap4_dss_supported_displays[] = { OMAP_DISPLAY_TYPE_DBI | OMAP_DISPLAY_TYPE_DSI, /* OMAP_DSS_CHANNEL_DIGIT */ - OMAP_DISPLAY_TYPE_VENC, + OMAP_DISPLAY_TYPE_VENC | OMAP_DISPLAY_TYPE_HDMI, /* OMAP_DSS_CHANNEL_LCD2 */ OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI | @@ -134,6 +177,54 @@ static const enum omap_color_mode omap3_dss_supported_color_modes[] = { OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_RGBX32, }; +static const char * const omap2_dss_clk_source_names[] = { + [DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC] = "N/A", + [DSS_CLK_SRC_DSI_PLL_HSDIV_DSI] = "N/A", + [DSS_CLK_SRC_FCK] = "DSS_FCLK1", +}; + +static const char * const omap3_dss_clk_source_names[] = { + [DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC] = "DSI1_PLL_FCLK", + [DSS_CLK_SRC_DSI_PLL_HSDIV_DSI] = "DSI2_PLL_FCLK", + [DSS_CLK_SRC_FCK] = "DSS1_ALWON_FCLK", +}; + +static const char * const omap4_dss_clk_source_names[] = { + [DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC] = "PLL1_CLK1", + [DSS_CLK_SRC_DSI_PLL_HSDIV_DSI] = "PLL1_CLK2", + [DSS_CLK_SRC_FCK] = "DSS_FCLK", +}; + +static const struct dss_param_range omap2_dss_param_range[] = { + [FEAT_PARAM_DSS_FCK] = { 0, 173000000 }, + [FEAT_PARAM_DSIPLL_REGN] = { 0, 0 }, + [FEAT_PARAM_DSIPLL_REGM] = { 0, 0 }, + [FEAT_PARAM_DSIPLL_REGM_DISPC] = { 0, 0 }, + [FEAT_PARAM_DSIPLL_REGM_DSI] = { 0, 0 }, + [FEAT_PARAM_DSIPLL_FINT] = { 0, 0 }, + [FEAT_PARAM_DSIPLL_LPDIV] = { 0, 0 }, +}; + +static const struct dss_param_range omap3_dss_param_range[] = { + [FEAT_PARAM_DSS_FCK] = { 0, 173000000 }, + [FEAT_PARAM_DSIPLL_REGN] = { 0, (1 << 7) - 1 }, + [FEAT_PARAM_DSIPLL_REGM] = { 0, (1 << 11) - 1 }, + [FEAT_PARAM_DSIPLL_REGM_DISPC] = { 0, (1 << 4) - 1 }, + [FEAT_PARAM_DSIPLL_REGM_DSI] = { 0, (1 << 4) - 1 }, + [FEAT_PARAM_DSIPLL_FINT] = { 750000, 2100000 }, + [FEAT_PARAM_DSIPLL_LPDIV] = { 1, (1 << 13) - 1}, +}; + +static const struct dss_param_range omap4_dss_param_range[] = { + [FEAT_PARAM_DSS_FCK] = { 0, 186000000 }, + [FEAT_PARAM_DSIPLL_REGN] = { 0, (1 << 8) - 1 }, + [FEAT_PARAM_DSIPLL_REGM] = { 0, (1 << 12) - 1 }, + [FEAT_PARAM_DSIPLL_REGM_DISPC] = { 0, (1 << 5) - 1 }, + [FEAT_PARAM_DSIPLL_REGM_DSI] = { 0, (1 << 5) - 1 }, + [FEAT_PARAM_DSIPLL_FINT] = { 500000, 2500000 }, + [FEAT_PARAM_DSIPLL_LPDIV] = { 0, (1 << 13) - 1 }, +}; + /* OMAP2 DSS Features */ static struct omap_dss_features omap2_dss_features = { .reg_fields = omap2_dss_reg_fields, @@ -141,12 +232,15 @@ static struct omap_dss_features omap2_dss_features = { .has_feature = FEAT_LCDENABLEPOL | FEAT_LCDENABLESIGNAL | - FEAT_PCKFREEENABLE | FEAT_FUNCGATED, + FEAT_PCKFREEENABLE | FEAT_FUNCGATED | + FEAT_ROWREPEATENABLE | FEAT_RESIZECONF, .num_mgrs = 2, .num_ovls = 3, .supported_displays = omap2_dss_supported_displays, .supported_color_modes = omap2_dss_supported_color_modes, + .clksrc_names = omap2_dss_clk_source_names, + .dss_params = omap2_dss_param_range, }; /* OMAP3 DSS Features */ @@ -157,12 +251,15 @@ static struct omap_dss_features omap3430_dss_features = { .has_feature = FEAT_GLOBAL_ALPHA | FEAT_LCDENABLEPOL | FEAT_LCDENABLESIGNAL | FEAT_PCKFREEENABLE | - FEAT_FUNCGATED, + FEAT_FUNCGATED | FEAT_ROWREPEATENABLE | + FEAT_LINEBUFFERSPLIT | FEAT_RESIZECONF, .num_mgrs = 2, .num_ovls = 3, - .supported_displays = omap3_dss_supported_displays, + .supported_displays = omap3430_dss_supported_displays, .supported_color_modes = omap3_dss_supported_color_modes, + .clksrc_names = omap3_dss_clk_source_names, + .dss_params = omap3_dss_param_range, }; static struct omap_dss_features omap3630_dss_features = { @@ -172,27 +269,34 @@ static struct omap_dss_features omap3630_dss_features = { .has_feature = FEAT_GLOBAL_ALPHA | FEAT_LCDENABLEPOL | FEAT_LCDENABLESIGNAL | FEAT_PCKFREEENABLE | - FEAT_PRE_MULT_ALPHA | FEAT_FUNCGATED, + FEAT_PRE_MULT_ALPHA | FEAT_FUNCGATED | + FEAT_ROWREPEATENABLE | FEAT_LINEBUFFERSPLIT | + FEAT_RESIZECONF, .num_mgrs = 2, .num_ovls = 3, - .supported_displays = omap3_dss_supported_displays, + .supported_displays = omap3630_dss_supported_displays, .supported_color_modes = omap3_dss_supported_color_modes, + .clksrc_names = omap3_dss_clk_source_names, + .dss_params = omap3_dss_param_range, }; /* OMAP4 DSS Features */ static struct omap_dss_features omap4_dss_features = { - .reg_fields = omap3_dss_reg_fields, - .num_reg_fields = ARRAY_SIZE(omap3_dss_reg_fields), + .reg_fields = omap4_dss_reg_fields, + .num_reg_fields = ARRAY_SIZE(omap4_dss_reg_fields), .has_feature = FEAT_GLOBAL_ALPHA | FEAT_PRE_MULT_ALPHA | - FEAT_MGR_LCD2, + FEAT_MGR_LCD2 | FEAT_GLOBAL_ALPHA_VID1 | + FEAT_CORE_CLK_DIV | FEAT_LCD_CLK_SRC, .num_mgrs = 3, .num_ovls = 3, .supported_displays = omap4_dss_supported_displays, .supported_color_modes = omap3_dss_supported_color_modes, + .clksrc_names = omap4_dss_clk_source_names, + .dss_params = omap4_dss_param_range, }; /* Functions returning values related to a DSS feature */ @@ -206,6 +310,16 @@ int dss_feat_get_num_ovls(void) return omap_current_dss_features->num_ovls; } +unsigned long dss_feat_get_param_min(enum dss_range_param param) +{ + return omap_current_dss_features->dss_params[param].min; +} + +unsigned long dss_feat_get_param_max(enum dss_range_param param) +{ + return omap_current_dss_features->dss_params[param].max; +} + enum omap_display_type dss_feat_get_supported_displays(enum omap_channel channel) { return omap_current_dss_features->supported_displays[channel]; @@ -223,6 +337,11 @@ bool dss_feat_color_mode_supported(enum omap_plane plane, color_mode; } +const char *dss_feat_get_clk_source_name(enum dss_clk_source id) +{ + return omap_current_dss_features->clksrc_names[id]; +} + /* DSS has_feature check */ bool dss_has_feature(enum dss_feat_id id) { diff --git a/drivers/video/omap2/dss/dss_features.h b/drivers/video/omap2/dss/dss_features.h index b9c70be..12e9c4e 100644 --- a/drivers/video/omap2/dss/dss_features.h +++ b/drivers/video/omap2/dss/dss_features.h @@ -22,6 +22,7 @@ #define MAX_DSS_MANAGERS 3 #define MAX_DSS_OVERLAYS 3 +#define MAX_DSS_LCD_MANAGERS 2 /* DSS has feature id */ enum dss_feat_id { @@ -33,6 +34,12 @@ enum dss_feat_id { FEAT_PCKFREEENABLE = 1 << 5, FEAT_FUNCGATED = 1 << 6, FEAT_MGR_LCD2 = 1 << 7, + FEAT_LINEBUFFERSPLIT = 1 << 8, + FEAT_ROWREPEATENABLE = 1 << 9, + FEAT_RESIZECONF = 1 << 10, + /* Independent core clk divider */ + FEAT_CORE_CLK_DIV = 1 << 11, + FEAT_LCD_CLK_SRC = 1 << 12, }; /* DSS register field id */ @@ -42,15 +49,35 @@ enum dss_feat_reg_field { FEAT_REG_FIFOHIGHTHRESHOLD, FEAT_REG_FIFOLOWTHRESHOLD, FEAT_REG_FIFOSIZE, + FEAT_REG_HORIZONTALACCU, + FEAT_REG_VERTICALACCU, + FEAT_REG_DISPC_CLK_SWITCH, + FEAT_REG_DSIPLL_REGN, + FEAT_REG_DSIPLL_REGM, + FEAT_REG_DSIPLL_REGM_DISPC, + FEAT_REG_DSIPLL_REGM_DSI, +}; + +enum dss_range_param { + FEAT_PARAM_DSS_FCK, + FEAT_PARAM_DSIPLL_REGN, + FEAT_PARAM_DSIPLL_REGM, + FEAT_PARAM_DSIPLL_REGM_DISPC, + FEAT_PARAM_DSIPLL_REGM_DSI, + FEAT_PARAM_DSIPLL_FINT, + FEAT_PARAM_DSIPLL_LPDIV, }; /* DSS Feature Functions */ int dss_feat_get_num_mgrs(void); int dss_feat_get_num_ovls(void); +unsigned long dss_feat_get_param_min(enum dss_range_param param); +unsigned long dss_feat_get_param_max(enum dss_range_param param); enum omap_display_type dss_feat_get_supported_displays(enum omap_channel channel); enum omap_color_mode dss_feat_get_supported_color_modes(enum omap_plane plane); bool dss_feat_color_mode_supported(enum omap_plane plane, enum omap_color_mode color_mode); +const char *dss_feat_get_clk_source_name(enum dss_clk_source id); bool dss_has_feature(enum dss_feat_id id); void dss_feat_get_reg_field(enum dss_feat_reg_field id, u8 *start, u8 *end); diff --git a/drivers/video/omap2/dss/hdmi.c b/drivers/video/omap2/dss/hdmi.c new file mode 100644 index 0000000..0d44f07 --- /dev/null +++ b/drivers/video/omap2/dss/hdmi.c @@ -0,0 +1,1332 @@ +/* + * hdmi.c + * + * HDMI interface DSS driver setting for TI's OMAP4 family of processor. + * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com/ + * Authors: Yong Zhi + * Mythri pk <mythripk@ti.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#define DSS_SUBSYS_NAME "HDMI" + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/err.h> +#include <linux/io.h> +#include <linux/interrupt.h> +#include <linux/mutex.h> +#include <linux/delay.h> +#include <linux/string.h> +#include <plat/display.h> + +#include "dss.h" +#include "hdmi.h" + +static struct { + struct mutex lock; + struct omap_display_platform_data *pdata; + struct platform_device *pdev; + void __iomem *base_wp; /* HDMI wrapper */ + int code; + int mode; + u8 edid[HDMI_EDID_MAX_LENGTH]; + u8 edid_set; + bool custom_set; + struct hdmi_config cfg; +} hdmi; + +/* + * Logic for the below structure : + * user enters the CEA or VESA timings by specifying the HDMI/DVI code. + * There is a correspondence between CEA/VESA timing and code, please + * refer to section 6.3 in HDMI 1.3 specification for timing code. + * + * In the below structure, cea_vesa_timings corresponds to all OMAP4 + * supported CEA and VESA timing values.code_cea corresponds to the CEA + * code, It is used to get the timing from cea_vesa_timing array.Similarly + * with code_vesa. Code_index is used for back mapping, that is once EDID + * is read from the TV, EDID is parsed to find the timing values and then + * map it to corresponding CEA or VESA index. + */ + +static const struct hdmi_timings cea_vesa_timings[OMAP_HDMI_TIMINGS_NB] = { + { {640, 480, 25200, 96, 16, 48, 2, 10, 33} , 0 , 0}, + { {1280, 720, 74250, 40, 440, 220, 5, 5, 20}, 1, 1}, + { {1280, 720, 74250, 40, 110, 220, 5, 5, 20}, 1, 1}, + { {720, 480, 27027, 62, 16, 60, 6, 9, 30}, 0, 0}, + { {2880, 576, 108000, 256, 48, 272, 5, 5, 39}, 0, 0}, + { {1440, 240, 27027, 124, 38, 114, 3, 4, 15}, 0, 0}, + { {1440, 288, 27000, 126, 24, 138, 3, 2, 19}, 0, 0}, + { {1920, 540, 74250, 44, 528, 148, 5, 2, 15}, 1, 1}, + { {1920, 540, 74250, 44, 88, 148, 5, 2, 15}, 1, 1}, + { {1920, 1080, 148500, 44, 88, 148, 5, 4, 36}, 1, 1}, + { {720, 576, 27000, 64, 12, 68, 5, 5, 39}, 0, 0}, + { {1440, 576, 54000, 128, 24, 136, 5, 5, 39}, 0, 0}, + { {1920, 1080, 148500, 44, 528, 148, 5, 4, 36}, 1, 1}, + { {2880, 480, 108108, 248, 64, 240, 6, 9, 30}, 0, 0}, + { {1920, 1080, 74250, 44, 638, 148, 5, 4, 36}, 1, 1}, + /* VESA From Here */ + { {640, 480, 25175, 96, 16, 48, 2 , 11, 31}, 0, 0}, + { {800, 600, 40000, 128, 40, 88, 4 , 1, 23}, 1, 1}, + { {848, 480, 33750, 112, 16, 112, 8 , 6, 23}, 1, 1}, + { {1280, 768, 79500, 128, 64, 192, 7 , 3, 20}, 1, 0}, + { {1280, 800, 83500, 128, 72, 200, 6 , 3, 22}, 1, 0}, + { {1360, 768, 85500, 112, 64, 256, 6 , 3, 18}, 1, 1}, + { {1280, 960, 108000, 112, 96, 312, 3 , 1, 36}, 1, 1}, + { {1280, 1024, 108000, 112, 48, 248, 3 , 1, 38}, 1, 1}, + { {1024, 768, 65000, 136, 24, 160, 6, 3, 29}, 0, 0}, + { {1400, 1050, 121750, 144, 88, 232, 4, 3, 32}, 1, 0}, + { {1440, 900, 106500, 152, 80, 232, 6, 3, 25}, 1, 0}, + { {1680, 1050, 146250, 176 , 104, 280, 6, 3, 30}, 1, 0}, + { {1366, 768, 85500, 143, 70, 213, 3, 3, 24}, 1, 1}, + { {1920, 1080, 148500, 44, 148, 80, 5, 4, 36}, 1, 1}, + { {1280, 768, 68250, 32, 48, 80, 7, 3, 12}, 0, 1}, + { {1400, 1050, 101000, 32, 48, 80, 4, 3, 23}, 0, 1}, + { {1680, 1050, 119000, 32, 48, 80, 6, 3, 21}, 0, 1}, + { {1280, 800, 79500, 32, 48, 80, 6, 3, 14}, 0, 1}, + { {1280, 720, 74250, 40, 110, 220, 5, 5, 20}, 1, 1} +}; + +/* + * This is a static mapping array which maps the timing values + * with corresponding CEA / VESA code + */ +static const int code_index[OMAP_HDMI_TIMINGS_NB] = { + 1, 19, 4, 2, 37, 6, 21, 20, 5, 16, 17, 29, 31, 35, 32, + /* <--15 CEA 17--> vesa*/ + 4, 9, 0xE, 0x17, 0x1C, 0x27, 0x20, 0x23, 0x10, 0x2A, + 0X2F, 0x3A, 0X51, 0X52, 0x16, 0x29, 0x39, 0x1B +}; + +/* + * This is reverse static mapping which maps the CEA / VESA code + * to the corresponding timing values + */ +static const int code_cea[39] = { + -1, 0, 3, 3, 2, 8, 5, 5, -1, -1, + -1, -1, -1, -1, -1, -1, 9, 10, 10, 1, + 7, 6, 6, -1, -1, -1, -1, -1, -1, 11, + 11, 12, 14, -1, -1, 13, 13, 4, 4 +}; + +static const int code_vesa[85] = { + -1, -1, -1, -1, 15, -1, -1, -1, -1, 16, + -1, -1, -1, -1, 17, -1, 23, -1, -1, -1, + -1, -1, 29, 18, -1, -1, -1, 32, 19, -1, + -1, -1, 21, -1, -1, 22, -1, -1, -1, 20, + -1, 30, 24, -1, -1, -1, -1, 25, -1, -1, + -1, -1, -1, -1, -1, -1, -1, 31, 26, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, 27, 28, -1, 33}; + +static const u8 edid_header[8] = {0x0, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x0}; + +static inline void hdmi_write_reg(const struct hdmi_reg idx, u32 val) +{ + __raw_writel(val, hdmi.base_wp + idx.idx); +} + +static inline u32 hdmi_read_reg(const struct hdmi_reg idx) +{ + return __raw_readl(hdmi.base_wp + idx.idx); +} + +static inline int hdmi_wait_for_bit_change(const struct hdmi_reg idx, + int b2, int b1, u32 val) +{ + u32 t = 0; + while (val != REG_GET(idx, b2, b1)) { + udelay(1); + if (t++ > 10000) + return !val; + } + return val; +} + +int hdmi_init_display(struct omap_dss_device *dssdev) +{ + DSSDBG("init_display\n"); + + return 0; +} + +static int hdmi_pll_init(enum hdmi_clk_refsel refsel, int dcofreq, + struct hdmi_pll_info *fmt, u16 sd) +{ + u32 r; + + /* PLL start always use manual mode */ + REG_FLD_MOD(PLLCTRL_PLL_CONTROL, 0x0, 0, 0); + + r = hdmi_read_reg(PLLCTRL_CFG1); + r = FLD_MOD(r, fmt->regm, 20, 9); /* CFG1_PLL_REGM */ + r = FLD_MOD(r, fmt->regn, 8, 1); /* CFG1_PLL_REGN */ + + hdmi_write_reg(PLLCTRL_CFG1, r); + + r = hdmi_read_reg(PLLCTRL_CFG2); + + r = FLD_MOD(r, 0x0, 12, 12); /* PLL_HIGHFREQ divide by 2 */ + r = FLD_MOD(r, 0x1, 13, 13); /* PLL_REFEN */ + r = FLD_MOD(r, 0x0, 14, 14); /* PHY_CLKINEN de-assert during locking */ + + if (dcofreq) { + /* divider programming for frequency beyond 1000Mhz */ + REG_FLD_MOD(PLLCTRL_CFG3, sd, 17, 10); + r = FLD_MOD(r, 0x4, 3, 1); /* 1000MHz and 2000MHz */ + } else { + r = FLD_MOD(r, 0x2, 3, 1); /* 500MHz and 1000MHz */ + } + + hdmi_write_reg(PLLCTRL_CFG2, r); + + r = hdmi_read_reg(PLLCTRL_CFG4); + r = FLD_MOD(r, fmt->regm2, 24, 18); + r = FLD_MOD(r, fmt->regmf, 17, 0); + + hdmi_write_reg(PLLCTRL_CFG4, r); + + /* go now */ + REG_FLD_MOD(PLLCTRL_PLL_GO, 0x1, 0, 0); + + /* wait for bit change */ + if (hdmi_wait_for_bit_change(PLLCTRL_PLL_GO, 0, 0, 1) != 1) { + DSSERR("PLL GO bit not set\n"); + return -ETIMEDOUT; + } + + /* Wait till the lock bit is set in PLL status */ + if (hdmi_wait_for_bit_change(PLLCTRL_PLL_STATUS, 1, 1, 1) != 1) { + DSSWARN("cannot lock PLL\n"); + DSSWARN("CFG1 0x%x\n", + hdmi_read_reg(PLLCTRL_CFG1)); + DSSWARN("CFG2 0x%x\n", + hdmi_read_reg(PLLCTRL_CFG2)); + DSSWARN("CFG4 0x%x\n", + hdmi_read_reg(PLLCTRL_CFG4)); + return -ETIMEDOUT; + } + + DSSDBG("PLL locked!\n"); + + return 0; +} + +/* PHY_PWR_CMD */ +static int hdmi_set_phy_pwr(enum hdmi_phy_pwr val) +{ + /* Command for power control of HDMI PHY */ + REG_FLD_MOD(HDMI_WP_PWR_CTRL, val, 7, 6); + + /* Status of the power control of HDMI PHY */ + if (hdmi_wait_for_bit_change(HDMI_WP_PWR_CTRL, 5, 4, val) != val) { + DSSERR("Failed to set PHY power mode to %d\n", val); + return -ETIMEDOUT; + } + + return 0; +} + +/* PLL_PWR_CMD */ +static int hdmi_set_pll_pwr(enum hdmi_pll_pwr val) +{ + /* Command for power control of HDMI PLL */ + REG_FLD_MOD(HDMI_WP_PWR_CTRL, val, 3, 2); + + /* wait till PHY_PWR_STATUS is set */ + if (hdmi_wait_for_bit_change(HDMI_WP_PWR_CTRL, 1, 0, val) != val) { + DSSERR("Failed to set PHY_PWR_STATUS\n"); + return -ETIMEDOUT; + } + + return 0; +} + +static int hdmi_pll_reset(void) +{ + /* SYSRESET controlled by power FSM */ + REG_FLD_MOD(PLLCTRL_PLL_CONTROL, 0x0, 3, 3); + + /* READ 0x0 reset is in progress */ + if (hdmi_wait_for_bit_change(PLLCTRL_PLL_STATUS, 0, 0, 1) != 1) { + DSSERR("Failed to sysreset PLL\n"); + return -ETIMEDOUT; + } + + return 0; +} + +static int hdmi_phy_init(void) +{ + u16 r = 0; + + r = hdmi_set_phy_pwr(HDMI_PHYPWRCMD_LDOON); + if (r) + return r; + + r = hdmi_set_phy_pwr(HDMI_PHYPWRCMD_TXON); + if (r) + return r; + + /* + * Read address 0 in order to get the SCP reset done completed + * Dummy access performed to make sure reset is done + */ + hdmi_read_reg(HDMI_TXPHY_TX_CTRL); + + /* + * Write to phy address 0 to configure the clock + * use HFBITCLK write HDMI_TXPHY_TX_CONTROL_FREQOUT field + */ + REG_FLD_MOD(HDMI_TXPHY_TX_CTRL, 0x1, 31, 30); + + /* Write to phy address 1 to start HDMI line (TXVALID and TMDSCLKEN) */ + hdmi_write_reg(HDMI_TXPHY_DIGITAL_CTRL, 0xF0000000); + + /* Setup max LDO voltage */ + REG_FLD_MOD(HDMI_TXPHY_POWER_CTRL, 0xB, 3, 0); + + /* Write to phy address 3 to change the polarity control */ + REG_FLD_MOD(HDMI_TXPHY_PAD_CFG_CTRL, 0x1, 27, 27); + + return 0; +} + +static int hdmi_wait_softreset(void) +{ + /* reset W1 */ + REG_FLD_MOD(HDMI_WP_SYSCONFIG, 0x1, 0, 0); + + /* wait till SOFTRESET == 0 */ + if (hdmi_wait_for_bit_change(HDMI_WP_SYSCONFIG, 0, 0, 0) != 0) { + DSSERR("sysconfig reset failed\n"); + return -ETIMEDOUT; + } + + return 0; +} + +static int hdmi_pll_program(struct hdmi_pll_info *fmt) +{ + u16 r = 0; + enum hdmi_clk_refsel refsel; + + /* wait for wrapper reset */ + r = hdmi_wait_softreset(); + if (r) + return r; + + r = hdmi_set_pll_pwr(HDMI_PLLPWRCMD_ALLOFF); + if (r) + return r; + + r = hdmi_set_pll_pwr(HDMI_PLLPWRCMD_BOTHON_ALLCLKS); + if (r) + return r; + + r = hdmi_pll_reset(); + if (r) + return r; + + refsel = HDMI_REFSEL_SYSCLK; + + r = hdmi_pll_init(refsel, fmt->dcofreq, fmt, fmt->regsd); + if (r) + return r; + + return 0; +} + +static void hdmi_phy_off(void) +{ + hdmi_set_phy_pwr(HDMI_PHYPWRCMD_OFF); +} + +static int hdmi_core_ddc_edid(u8 *pedid, int ext) +{ + u32 i, j; + char checksum = 0; + u32 offset = 0; + + /* Turn on CLK for DDC */ + REG_FLD_MOD(HDMI_CORE_AV_DPD, 0x7, 2, 0); + + /* + * SW HACK : Without the Delay DDC(i2c bus) reads 0 values / + * right shifted values( The behavior is not consistent and seen only + * with some TV's) + */ + usleep_range(800, 1000); + + if (!ext) { + /* Clk SCL Devices */ + REG_FLD_MOD(HDMI_CORE_DDC_CMD, 0xA, 3, 0); + + /* HDMI_CORE_DDC_STATUS_IN_PROG */ + if (hdmi_wait_for_bit_change(HDMI_CORE_DDC_STATUS, + 4, 4, 0) != 0) { + DSSERR("Failed to program DDC\n"); + return -ETIMEDOUT; + } + + /* Clear FIFO */ + REG_FLD_MOD(HDMI_CORE_DDC_CMD, 0x9, 3, 0); + + /* HDMI_CORE_DDC_STATUS_IN_PROG */ + if (hdmi_wait_for_bit_change(HDMI_CORE_DDC_STATUS, + 4, 4, 0) != 0) { + DSSERR("Failed to program DDC\n"); + return -ETIMEDOUT; + } + + } else { + if (ext % 2 != 0) + offset = 0x80; + } + + /* Load Segment Address Register */ + REG_FLD_MOD(HDMI_CORE_DDC_SEGM, ext/2, 7, 0); + + /* Load Slave Address Register */ + REG_FLD_MOD(HDMI_CORE_DDC_ADDR, 0xA0 >> 1, 7, 1); + + /* Load Offset Address Register */ + REG_FLD_MOD(HDMI_CORE_DDC_OFFSET, offset, 7, 0); + + /* Load Byte Count */ + REG_FLD_MOD(HDMI_CORE_DDC_COUNT1, 0x80, 7, 0); + REG_FLD_MOD(HDMI_CORE_DDC_COUNT2, 0x0, 1, 0); + + /* Set DDC_CMD */ + if (ext) + REG_FLD_MOD(HDMI_CORE_DDC_CMD, 0x4, 3, 0); + else + REG_FLD_MOD(HDMI_CORE_DDC_CMD, 0x2, 3, 0); + + /* HDMI_CORE_DDC_STATUS_BUS_LOW */ + if (REG_GET(HDMI_CORE_DDC_STATUS, 6, 6) == 1) { + DSSWARN("I2C Bus Low?\n"); + return -EIO; + } + /* HDMI_CORE_DDC_STATUS_NO_ACK */ + if (REG_GET(HDMI_CORE_DDC_STATUS, 5, 5) == 1) { + DSSWARN("I2C No Ack\n"); + return -EIO; + } + + i = ext * 128; + j = 0; + while (((REG_GET(HDMI_CORE_DDC_STATUS, 4, 4) == 1) || + (REG_GET(HDMI_CORE_DDC_STATUS, 2, 2) == 0)) && + j < 128) { + + if (REG_GET(HDMI_CORE_DDC_STATUS, 2, 2) == 0) { + /* FIFO not empty */ + pedid[i++] = REG_GET(HDMI_CORE_DDC_DATA, 7, 0); + j++; + } + } + + for (j = 0; j < 128; j++) + checksum += pedid[j]; + + if (checksum != 0) { + DSSERR("E-EDID checksum failed!!\n"); + return -EIO; + } + + return 0; +} + +static int read_edid(u8 *pedid, u16 max_length) +{ + int r = 0, n = 0, i = 0; + int max_ext_blocks = (max_length / 128) - 1; + + r = hdmi_core_ddc_edid(pedid, 0); + if (r) { + return r; + } else { + n = pedid[0x7e]; + + /* + * README: need to comply with max_length set by the caller. + * Better implementation should be to allocate necessary + * memory to store EDID according to nb_block field found + * in first block + */ + if (n > max_ext_blocks) + n = max_ext_blocks; + + for (i = 1; i <= n; i++) { + r = hdmi_core_ddc_edid(pedid, i); + if (r) + return r; + } + } + return 0; +} + +static int get_timings_index(void) +{ + int code; + + if (hdmi.mode == 0) + code = code_vesa[hdmi.code]; + else + code = code_cea[hdmi.code]; + + if (code == -1) { + /* HDMI code 4 corresponds to 640 * 480 VGA */ + hdmi.code = 4; + /* DVI mode 1 corresponds to HDMI 0 to DVI */ + hdmi.mode = HDMI_DVI; + + code = code_vesa[hdmi.code]; + } + return code; +} + +static struct hdmi_cm hdmi_get_code(struct omap_video_timings *timing) +{ + int i = 0, code = -1, temp_vsync = 0, temp_hsync = 0; + int timing_vsync = 0, timing_hsync = 0; + struct omap_video_timings temp; + struct hdmi_cm cm = {-1}; + DSSDBG("hdmi_get_code\n"); + + for (i = 0; i < OMAP_HDMI_TIMINGS_NB; i++) { + temp = cea_vesa_timings[i].timings; + if ((temp.pixel_clock == timing->pixel_clock) && + (temp.x_res == timing->x_res) && + (temp.y_res == timing->y_res)) { + + temp_hsync = temp.hfp + temp.hsw + temp.hbp; + timing_hsync = timing->hfp + timing->hsw + timing->hbp; + temp_vsync = temp.vfp + temp.vsw + temp.vbp; + timing_vsync = timing->vfp + timing->vsw + timing->vbp; + + DSSDBG("temp_hsync = %d , temp_vsync = %d" + "timing_hsync = %d, timing_vsync = %d\n", + temp_hsync, temp_hsync, + timing_hsync, timing_vsync); + + if ((temp_hsync == timing_hsync) && + (temp_vsync == timing_vsync)) { + code = i; + cm.code = code_index[i]; + if (code < 14) + cm.mode = HDMI_HDMI; + else + cm.mode = HDMI_DVI; + DSSDBG("Hdmi_code = %d mode = %d\n", + cm.code, cm.mode); + break; + } + } + } + + return cm; +} + +static void get_horz_vert_timing_info(int current_descriptor_addrs, u8 *edid , + struct omap_video_timings *timings) +{ + /* X and Y resolution */ + timings->x_res = (((edid[current_descriptor_addrs + 4] & 0xF0) << 4) | + edid[current_descriptor_addrs + 2]); + timings->y_res = (((edid[current_descriptor_addrs + 7] & 0xF0) << 4) | + edid[current_descriptor_addrs + 5]); + + timings->pixel_clock = ((edid[current_descriptor_addrs + 1] << 8) | + edid[current_descriptor_addrs]); + + timings->pixel_clock = 10 * timings->pixel_clock; + + /* HORIZONTAL FRONT PORCH */ + timings->hfp = edid[current_descriptor_addrs + 8] | + ((edid[current_descriptor_addrs + 11] & 0xc0) << 2); + /* HORIZONTAL SYNC WIDTH */ + timings->hsw = edid[current_descriptor_addrs + 9] | + ((edid[current_descriptor_addrs + 11] & 0x30) << 4); + /* HORIZONTAL BACK PORCH */ + timings->hbp = (((edid[current_descriptor_addrs + 4] & 0x0F) << 8) | + edid[current_descriptor_addrs + 3]) - + (timings->hfp + timings->hsw); + /* VERTICAL FRONT PORCH */ + timings->vfp = ((edid[current_descriptor_addrs + 10] & 0xF0) >> 4) | + ((edid[current_descriptor_addrs + 11] & 0x0f) << 2); + /* VERTICAL SYNC WIDTH */ + timings->vsw = (edid[current_descriptor_addrs + 10] & 0x0F) | + ((edid[current_descriptor_addrs + 11] & 0x03) << 4); + /* VERTICAL BACK PORCH */ + timings->vbp = (((edid[current_descriptor_addrs + 7] & 0x0F) << 8) | + edid[current_descriptor_addrs + 6]) - + (timings->vfp + timings->vsw); + +} + +/* Description : This function gets the resolution information from EDID */ +static void get_edid_timing_data(u8 *edid) +{ + u8 count; + u16 current_descriptor_addrs; + struct hdmi_cm cm; + struct omap_video_timings edid_timings; + + /* seach block 0, there are 4 DTDs arranged in priority order */ + for (count = 0; count < EDID_SIZE_BLOCK0_TIMING_DESCRIPTOR; count++) { + current_descriptor_addrs = + EDID_DESCRIPTOR_BLOCK0_ADDRESS + + count * EDID_TIMING_DESCRIPTOR_SIZE; + get_horz_vert_timing_info(current_descriptor_addrs, + edid, &edid_timings); + cm = hdmi_get_code(&edid_timings); + DSSDBG("Block0[%d] value matches code = %d , mode = %d\n", + count, cm.code, cm.mode); + if (cm.code == -1) { + continue; + } else { + hdmi.code = cm.code; + hdmi.mode = cm.mode; + DSSDBG("code = %d , mode = %d\n", + hdmi.code, hdmi.mode); + return; + } + } + if (edid[0x7e] != 0x00) { + for (count = 0; count < EDID_SIZE_BLOCK1_TIMING_DESCRIPTOR; + count++) { + current_descriptor_addrs = + EDID_DESCRIPTOR_BLOCK1_ADDRESS + + count * EDID_TIMING_DESCRIPTOR_SIZE; + get_horz_vert_timing_info(current_descriptor_addrs, + edid, &edid_timings); + cm = hdmi_get_code(&edid_timings); + DSSDBG("Block1[%d] value matches code = %d, mode = %d", + count, cm.code, cm.mode); + if (cm.code == -1) { + continue; + } else { + hdmi.code = cm.code; + hdmi.mode = cm.mode; + DSSDBG("code = %d , mode = %d\n", + hdmi.code, hdmi.mode); + return; + } + } + } + + DSSINFO("no valid timing found , falling back to VGA\n"); + hdmi.code = 4; /* setting default value of 640 480 VGA */ + hdmi.mode = HDMI_DVI; +} + +static void hdmi_read_edid(struct omap_video_timings *dp) +{ + int ret = 0, code; + + memset(hdmi.edid, 0, HDMI_EDID_MAX_LENGTH); + + if (!hdmi.edid_set) + ret = read_edid(hdmi.edid, HDMI_EDID_MAX_LENGTH); + + if (!ret) { + if (!memcmp(hdmi.edid, edid_header, sizeof(edid_header))) { + /* search for timings of default resolution */ + get_edid_timing_data(hdmi.edid); + hdmi.edid_set = true; + } + } else { + DSSWARN("failed to read E-EDID\n"); + } + + if (!hdmi.edid_set) { + DSSINFO("fallback to VGA\n"); + hdmi.code = 4; /* setting default value of 640 480 VGA */ + hdmi.mode = HDMI_DVI; + } + + code = get_timings_index(); + + *dp = cea_vesa_timings[code].timings; +} + +static void hdmi_core_init(struct hdmi_core_video_config *video_cfg, + struct hdmi_core_infoframe_avi *avi_cfg, + struct hdmi_core_packet_enable_repeat *repeat_cfg) +{ + DSSDBG("Enter hdmi_core_init\n"); + + /* video core */ + video_cfg->ip_bus_width = HDMI_INPUT_8BIT; + video_cfg->op_dither_truc = HDMI_OUTPUTTRUNCATION_8BIT; + video_cfg->deep_color_pkt = HDMI_DEEPCOLORPACKECTDISABLE; + video_cfg->pkt_mode = HDMI_PACKETMODERESERVEDVALUE; + video_cfg->hdmi_dvi = HDMI_DVI; + video_cfg->tclk_sel_clkmult = HDMI_FPLL10IDCK; + + /* info frame */ + avi_cfg->db1_format = 0; + avi_cfg->db1_active_info = 0; + avi_cfg->db1_bar_info_dv = 0; + avi_cfg->db1_scan_info = 0; + avi_cfg->db2_colorimetry = 0; + avi_cfg->db2_aspect_ratio = 0; + avi_cfg->db2_active_fmt_ar = 0; + avi_cfg->db3_itc = 0; + avi_cfg->db3_ec = 0; + avi_cfg->db3_q_range = 0; + avi_cfg->db3_nup_scaling = 0; + avi_cfg->db4_videocode = 0; + avi_cfg->db5_pixel_repeat = 0; + avi_cfg->db6_7_line_eoftop = 0 ; + avi_cfg->db8_9_line_sofbottom = 0; + avi_cfg->db10_11_pixel_eofleft = 0; + avi_cfg->db12_13_pixel_sofright = 0; + + /* packet enable and repeat */ + repeat_cfg->audio_pkt = 0; + repeat_cfg->audio_pkt_repeat = 0; + repeat_cfg->avi_infoframe = 0; + repeat_cfg->avi_infoframe_repeat = 0; + repeat_cfg->gen_cntrl_pkt = 0; + repeat_cfg->gen_cntrl_pkt_repeat = 0; + repeat_cfg->generic_pkt = 0; + repeat_cfg->generic_pkt_repeat = 0; +} + +static void hdmi_core_powerdown_disable(void) +{ + DSSDBG("Enter hdmi_core_powerdown_disable\n"); + REG_FLD_MOD(HDMI_CORE_CTRL1, 0x0, 0, 0); +} + +static void hdmi_core_swreset_release(void) +{ + DSSDBG("Enter hdmi_core_swreset_release\n"); + REG_FLD_MOD(HDMI_CORE_SYS_SRST, 0x0, 0, 0); +} + +static void hdmi_core_swreset_assert(void) +{ + DSSDBG("Enter hdmi_core_swreset_assert\n"); + REG_FLD_MOD(HDMI_CORE_SYS_SRST, 0x1, 0, 0); +} + +/* DSS_HDMI_CORE_VIDEO_CONFIG */ +static void hdmi_core_video_config(struct hdmi_core_video_config *cfg) +{ + u32 r = 0; + + /* sys_ctrl1 default configuration not tunable */ + r = hdmi_read_reg(HDMI_CORE_CTRL1); + r = FLD_MOD(r, HDMI_CORE_CTRL1_VEN_FOLLOWVSYNC, 5, 5); + r = FLD_MOD(r, HDMI_CORE_CTRL1_HEN_FOLLOWHSYNC, 4, 4); + r = FLD_MOD(r, HDMI_CORE_CTRL1_BSEL_24BITBUS, 2, 2); + r = FLD_MOD(r, HDMI_CORE_CTRL1_EDGE_RISINGEDGE, 1, 1); + hdmi_write_reg(HDMI_CORE_CTRL1, r); + + REG_FLD_MOD(HDMI_CORE_SYS_VID_ACEN, cfg->ip_bus_width, 7, 6); + + /* Vid_Mode */ + r = hdmi_read_reg(HDMI_CORE_SYS_VID_MODE); + + /* dither truncation configuration */ + if (cfg->op_dither_truc > HDMI_OUTPUTTRUNCATION_12BIT) { + r = FLD_MOD(r, cfg->op_dither_truc - 3, 7, 6); + r = FLD_MOD(r, 1, 5, 5); + } else { + r = FLD_MOD(r, cfg->op_dither_truc, 7, 6); + r = FLD_MOD(r, 0, 5, 5); + } + hdmi_write_reg(HDMI_CORE_SYS_VID_MODE, r); + + /* HDMI_Ctrl */ + r = hdmi_read_reg(HDMI_CORE_AV_HDMI_CTRL); + r = FLD_MOD(r, cfg->deep_color_pkt, 6, 6); + r = FLD_MOD(r, cfg->pkt_mode, 5, 3); + r = FLD_MOD(r, cfg->hdmi_dvi, 0, 0); + hdmi_write_reg(HDMI_CORE_AV_HDMI_CTRL, r); + + /* TMDS_CTRL */ + REG_FLD_MOD(HDMI_CORE_SYS_TMDS_CTRL, + cfg->tclk_sel_clkmult, 6, 5); +} + +static void hdmi_core_aux_infoframe_avi_config( + struct hdmi_core_infoframe_avi info_avi) +{ + u32 val; + char sum = 0, checksum = 0; + + sum += 0x82 + 0x002 + 0x00D; + hdmi_write_reg(HDMI_CORE_AV_AVI_TYPE, 0x082); + hdmi_write_reg(HDMI_CORE_AV_AVI_VERS, 0x002); + hdmi_write_reg(HDMI_CORE_AV_AVI_LEN, 0x00D); + + val = (info_avi.db1_format << 5) | + (info_avi.db1_active_info << 4) | + (info_avi.db1_bar_info_dv << 2) | + (info_avi.db1_scan_info); + hdmi_write_reg(HDMI_CORE_AV_AVI_DBYTE(0), val); + sum += val; + + val = (info_avi.db2_colorimetry << 6) | + (info_avi.db2_aspect_ratio << 4) | + (info_avi.db2_active_fmt_ar); + hdmi_write_reg(HDMI_CORE_AV_AVI_DBYTE(1), val); + sum += val; + + val = (info_avi.db3_itc << 7) | + (info_avi.db3_ec << 4) | + (info_avi.db3_q_range << 2) | + (info_avi.db3_nup_scaling); + hdmi_write_reg(HDMI_CORE_AV_AVI_DBYTE(2), val); + sum += val; + + hdmi_write_reg(HDMI_CORE_AV_AVI_DBYTE(3), info_avi.db4_videocode); + sum += info_avi.db4_videocode; + + val = info_avi.db5_pixel_repeat; + hdmi_write_reg(HDMI_CORE_AV_AVI_DBYTE(4), val); + sum += val; + + val = info_avi.db6_7_line_eoftop & 0x00FF; + hdmi_write_reg(HDMI_CORE_AV_AVI_DBYTE(5), val); + sum += val; + + val = ((info_avi.db6_7_line_eoftop >> 8) & 0x00FF); + hdmi_write_reg(HDMI_CORE_AV_AVI_DBYTE(6), val); + sum += val; + + val = info_avi.db8_9_line_sofbottom & 0x00FF; + hdmi_write_reg(HDMI_CORE_AV_AVI_DBYTE(7), val); + sum += val; + + val = ((info_avi.db8_9_line_sofbottom >> 8) & 0x00FF); + hdmi_write_reg(HDMI_CORE_AV_AVI_DBYTE(8), val); + sum += val; + + val = info_avi.db10_11_pixel_eofleft & 0x00FF; + hdmi_write_reg(HDMI_CORE_AV_AVI_DBYTE(9), val); + sum += val; + + val = ((info_avi.db10_11_pixel_eofleft >> 8) & 0x00FF); + hdmi_write_reg(HDMI_CORE_AV_AVI_DBYTE(10), val); + sum += val; + + val = info_avi.db12_13_pixel_sofright & 0x00FF; + hdmi_write_reg(HDMI_CORE_AV_AVI_DBYTE(11), val); + sum += val; + + val = ((info_avi.db12_13_pixel_sofright >> 8) & 0x00FF); + hdmi_write_reg(HDMI_CORE_AV_AVI_DBYTE(12), val); + sum += val; + + checksum = 0x100 - sum; + hdmi_write_reg(HDMI_CORE_AV_AVI_CHSUM, checksum); +} + +static void hdmi_core_av_packet_config( + struct hdmi_core_packet_enable_repeat repeat_cfg) +{ + /* enable/repeat the infoframe */ + hdmi_write_reg(HDMI_CORE_AV_PB_CTRL1, + (repeat_cfg.audio_pkt << 5) | + (repeat_cfg.audio_pkt_repeat << 4) | + (repeat_cfg.avi_infoframe << 1) | + (repeat_cfg.avi_infoframe_repeat)); + + /* enable/repeat the packet */ + hdmi_write_reg(HDMI_CORE_AV_PB_CTRL2, + (repeat_cfg.gen_cntrl_pkt << 3) | + (repeat_cfg.gen_cntrl_pkt_repeat << 2) | + (repeat_cfg.generic_pkt << 1) | + (repeat_cfg.generic_pkt_repeat)); +} + +static void hdmi_wp_init(struct omap_video_timings *timings, + struct hdmi_video_format *video_fmt, + struct hdmi_video_interface *video_int) +{ + DSSDBG("Enter hdmi_wp_init\n"); + + timings->hbp = 0; + timings->hfp = 0; + timings->hsw = 0; + timings->vbp = 0; + timings->vfp = 0; + timings->vsw = 0; + + video_fmt->packing_mode = HDMI_PACK_10b_RGB_YUV444; + video_fmt->y_res = 0; + video_fmt->x_res = 0; + + video_int->vsp = 0; + video_int->hsp = 0; + + video_int->interlacing = 0; + video_int->tm = 0; /* HDMI_TIMING_SLAVE */ + +} + +static void hdmi_wp_video_start(bool start) +{ + REG_FLD_MOD(HDMI_WP_VIDEO_CFG, start, 31, 31); +} + +static void hdmi_wp_video_init_format(struct hdmi_video_format *video_fmt, + struct omap_video_timings *timings, struct hdmi_config *param) +{ + DSSDBG("Enter hdmi_wp_video_init_format\n"); + + video_fmt->y_res = param->timings.timings.y_res; + video_fmt->x_res = param->timings.timings.x_res; + + timings->hbp = param->timings.timings.hbp; + timings->hfp = param->timings.timings.hfp; + timings->hsw = param->timings.timings.hsw; + timings->vbp = param->timings.timings.vbp; + timings->vfp = param->timings.timings.vfp; + timings->vsw = param->timings.timings.vsw; +} + +static void hdmi_wp_video_config_format( + struct hdmi_video_format *video_fmt) +{ + u32 l = 0; + + REG_FLD_MOD(HDMI_WP_VIDEO_CFG, video_fmt->packing_mode, 10, 8); + + l |= FLD_VAL(video_fmt->y_res, 31, 16); + l |= FLD_VAL(video_fmt->x_res, 15, 0); + hdmi_write_reg(HDMI_WP_VIDEO_SIZE, l); +} + +static void hdmi_wp_video_config_interface( + struct hdmi_video_interface *video_int) +{ + u32 r; + DSSDBG("Enter hdmi_wp_video_config_interface\n"); + + r = hdmi_read_reg(HDMI_WP_VIDEO_CFG); + r = FLD_MOD(r, video_int->vsp, 7, 7); + r = FLD_MOD(r, video_int->hsp, 6, 6); + r = FLD_MOD(r, video_int->interlacing, 3, 3); + r = FLD_MOD(r, video_int->tm, 1, 0); + hdmi_write_reg(HDMI_WP_VIDEO_CFG, r); +} + +static void hdmi_wp_video_config_timing( + struct omap_video_timings *timings) +{ + u32 timing_h = 0; + u32 timing_v = 0; + + DSSDBG("Enter hdmi_wp_video_config_timing\n"); + + timing_h |= FLD_VAL(timings->hbp, 31, 20); + timing_h |= FLD_VAL(timings->hfp, 19, 8); + timing_h |= FLD_VAL(timings->hsw, 7, 0); + hdmi_write_reg(HDMI_WP_VIDEO_TIMING_H, timing_h); + + timing_v |= FLD_VAL(timings->vbp, 31, 20); + timing_v |= FLD_VAL(timings->vfp, 19, 8); + timing_v |= FLD_VAL(timings->vsw, 7, 0); + hdmi_write_reg(HDMI_WP_VIDEO_TIMING_V, timing_v); +} + +static void hdmi_basic_configure(struct hdmi_config *cfg) +{ + /* HDMI */ + struct omap_video_timings video_timing; + struct hdmi_video_format video_format; + struct hdmi_video_interface video_interface; + /* HDMI core */ + struct hdmi_core_infoframe_avi avi_cfg; + struct hdmi_core_video_config v_core_cfg; + struct hdmi_core_packet_enable_repeat repeat_cfg; + + hdmi_wp_init(&video_timing, &video_format, + &video_interface); + + hdmi_core_init(&v_core_cfg, + &avi_cfg, + &repeat_cfg); + + hdmi_wp_video_init_format(&video_format, + &video_timing, cfg); + + hdmi_wp_video_config_timing(&video_timing); + + /* video config */ + video_format.packing_mode = HDMI_PACK_24b_RGB_YUV444_YUV422; + + hdmi_wp_video_config_format(&video_format); + + video_interface.vsp = cfg->timings.vsync_pol; + video_interface.hsp = cfg->timings.hsync_pol; + video_interface.interlacing = cfg->interlace; + video_interface.tm = 1 ; /* HDMI_TIMING_MASTER_24BIT */ + + hdmi_wp_video_config_interface(&video_interface); + + /* + * configure core video part + * set software reset in the core + */ + hdmi_core_swreset_assert(); + + /* power down off */ + hdmi_core_powerdown_disable(); + + v_core_cfg.pkt_mode = HDMI_PACKETMODE24BITPERPIXEL; + v_core_cfg.hdmi_dvi = cfg->cm.mode; + + hdmi_core_video_config(&v_core_cfg); + + /* release software reset in the core */ + hdmi_core_swreset_release(); + + /* + * configure packet + * info frame video see doc CEA861-D page 65 + */ + avi_cfg.db1_format = HDMI_INFOFRAME_AVI_DB1Y_RGB; + avi_cfg.db1_active_info = + HDMI_INFOFRAME_AVI_DB1A_ACTIVE_FORMAT_OFF; + avi_cfg.db1_bar_info_dv = HDMI_INFOFRAME_AVI_DB1B_NO; + avi_cfg.db1_scan_info = HDMI_INFOFRAME_AVI_DB1S_0; + avi_cfg.db2_colorimetry = HDMI_INFOFRAME_AVI_DB2C_NO; + avi_cfg.db2_aspect_ratio = HDMI_INFOFRAME_AVI_DB2M_NO; + avi_cfg.db2_active_fmt_ar = HDMI_INFOFRAME_AVI_DB2R_SAME; + avi_cfg.db3_itc = HDMI_INFOFRAME_AVI_DB3ITC_NO; + avi_cfg.db3_ec = HDMI_INFOFRAME_AVI_DB3EC_XVYUV601; + avi_cfg.db3_q_range = HDMI_INFOFRAME_AVI_DB3Q_DEFAULT; + avi_cfg.db3_nup_scaling = HDMI_INFOFRAME_AVI_DB3SC_NO; + avi_cfg.db4_videocode = cfg->cm.code; + avi_cfg.db5_pixel_repeat = HDMI_INFOFRAME_AVI_DB5PR_NO; + avi_cfg.db6_7_line_eoftop = 0; + avi_cfg.db8_9_line_sofbottom = 0; + avi_cfg.db10_11_pixel_eofleft = 0; + avi_cfg.db12_13_pixel_sofright = 0; + + hdmi_core_aux_infoframe_avi_config(avi_cfg); + + /* enable/repeat the infoframe */ + repeat_cfg.avi_infoframe = HDMI_PACKETENABLE; + repeat_cfg.avi_infoframe_repeat = HDMI_PACKETREPEATON; + /* wakeup */ + repeat_cfg.audio_pkt = HDMI_PACKETENABLE; + repeat_cfg.audio_pkt_repeat = HDMI_PACKETREPEATON; + hdmi_core_av_packet_config(repeat_cfg); +} + +static void update_hdmi_timings(struct hdmi_config *cfg, + struct omap_video_timings *timings, int code) +{ + cfg->timings.timings.x_res = timings->x_res; + cfg->timings.timings.y_res = timings->y_res; + cfg->timings.timings.hbp = timings->hbp; + cfg->timings.timings.hfp = timings->hfp; + cfg->timings.timings.hsw = timings->hsw; + cfg->timings.timings.vbp = timings->vbp; + cfg->timings.timings.vfp = timings->vfp; + cfg->timings.timings.vsw = timings->vsw; + cfg->timings.timings.pixel_clock = timings->pixel_clock; + cfg->timings.vsync_pol = cea_vesa_timings[code].vsync_pol; + cfg->timings.hsync_pol = cea_vesa_timings[code].hsync_pol; +} + +static void hdmi_compute_pll(unsigned long clkin, int phy, + int n, struct hdmi_pll_info *pi) +{ + unsigned long refclk; + u32 mf; + + /* + * Input clock is predivided by N + 1 + * out put of which is reference clk + */ + refclk = clkin / (n + 1); + pi->regn = n; + + /* + * multiplier is pixel_clk/ref_clk + * Multiplying by 100 to avoid fractional part removal + */ + pi->regm = (phy * 100/(refclk))/100; + pi->regm2 = 1; + + /* + * fractional multiplier is remainder of the difference between + * multiplier and actual phy(required pixel clock thus should be + * multiplied by 2^18(262144) divided by the reference clock + */ + mf = (phy - pi->regm * refclk) * 262144; + pi->regmf = mf/(refclk); + + /* + * Dcofreq should be set to 1 if required pixel clock + * is greater than 1000MHz + */ + pi->dcofreq = phy > 1000 * 100; + pi->regsd = ((pi->regm * clkin / 10) / ((n + 1) * 250) + 5) / 10; + + DSSDBG("M = %d Mf = %d\n", pi->regm, pi->regmf); + DSSDBG("range = %d sd = %d\n", pi->dcofreq, pi->regsd); +} + +static void hdmi_enable_clocks(int enable) +{ + if (enable) + dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK | + DSS_CLK_SYSCK | DSS_CLK_VIDFCK); + else + dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK | + DSS_CLK_SYSCK | DSS_CLK_VIDFCK); +} + +static int hdmi_power_on(struct omap_dss_device *dssdev) +{ + int r, code = 0; + struct hdmi_pll_info pll_data; + struct omap_video_timings *p; + int clkin, n, phy; + + hdmi_enable_clocks(1); + + dispc_enable_channel(OMAP_DSS_CHANNEL_DIGIT, 0); + + p = &dssdev->panel.timings; + + DSSDBG("hdmi_power_on x_res= %d y_res = %d\n", + dssdev->panel.timings.x_res, + dssdev->panel.timings.y_res); + + if (!hdmi.custom_set) { + DSSDBG("Read EDID as no EDID is not set on poweron\n"); + hdmi_read_edid(p); + } + code = get_timings_index(); + dssdev->panel.timings = cea_vesa_timings[code].timings; + update_hdmi_timings(&hdmi.cfg, p, code); + + clkin = 3840; /* 38.4 MHz */ + n = 15; /* this is a constant for our math */ + phy = p->pixel_clock; + + hdmi_compute_pll(clkin, phy, n, &pll_data); + + hdmi_wp_video_start(0); + + /* config the PLL and PHY first */ + r = hdmi_pll_program(&pll_data); + if (r) { + DSSDBG("Failed to lock PLL\n"); + goto err; + } + + r = hdmi_phy_init(); + if (r) { + DSSDBG("Failed to start PHY\n"); + goto err; + } + + hdmi.cfg.cm.mode = hdmi.mode; + hdmi.cfg.cm.code = hdmi.code; + hdmi_basic_configure(&hdmi.cfg); + + /* Make selection of HDMI in DSS */ + dss_select_hdmi_venc_clk_source(DSS_HDMI_M_PCLK); + + /* Select the dispc clock source as PRCM clock, to ensure that it is not + * DSI PLL source as the clock selected by DSI PLL might not be + * sufficient for the resolution selected / that can be changed + * dynamically by user. This can be moved to single location , say + * Boardfile. + */ + dss_select_dispc_clk_source(DSS_CLK_SRC_FCK); + + /* bypass TV gamma table */ + dispc_enable_gamma_table(0); + + /* tv size */ + dispc_set_digit_size(dssdev->panel.timings.x_res, + dssdev->panel.timings.y_res); + + dispc_enable_channel(OMAP_DSS_CHANNEL_DIGIT, 1); + + hdmi_wp_video_start(1); + + return 0; +err: + hdmi_enable_clocks(0); + return -EIO; +} + +static void hdmi_power_off(struct omap_dss_device *dssdev) +{ + dispc_enable_channel(OMAP_DSS_CHANNEL_DIGIT, 0); + + hdmi_wp_video_start(0); + hdmi_phy_off(); + hdmi_set_pll_pwr(HDMI_PLLPWRCMD_ALLOFF); + hdmi_enable_clocks(0); + + hdmi.edid_set = 0; +} + +int omapdss_hdmi_display_check_timing(struct omap_dss_device *dssdev, + struct omap_video_timings *timings) +{ + struct hdmi_cm cm; + + cm = hdmi_get_code(timings); + if (cm.code == -1) { + DSSERR("Invalid timing entered\n"); + return -EINVAL; + } + + return 0; + +} + +void omapdss_hdmi_display_set_timing(struct omap_dss_device *dssdev) +{ + struct hdmi_cm cm; + + hdmi.custom_set = 1; + cm = hdmi_get_code(&dssdev->panel.timings); + hdmi.code = cm.code; + hdmi.mode = cm.mode; + omapdss_hdmi_display_enable(dssdev); + hdmi.custom_set = 0; +} + +int omapdss_hdmi_display_enable(struct omap_dss_device *dssdev) +{ + int r = 0; + + DSSDBG("ENTER hdmi_display_enable\n"); + + mutex_lock(&hdmi.lock); + + r = omap_dss_start_device(dssdev); + if (r) { + DSSERR("failed to start device\n"); + goto err0; + } + + if (dssdev->platform_enable) { + r = dssdev->platform_enable(dssdev); + if (r) { + DSSERR("failed to enable GPIO's\n"); + goto err1; + } + } + + r = hdmi_power_on(dssdev); + if (r) { + DSSERR("failed to power on device\n"); + goto err2; + } + + mutex_unlock(&hdmi.lock); + return 0; + +err2: + if (dssdev->platform_disable) + dssdev->platform_disable(dssdev); +err1: + omap_dss_stop_device(dssdev); +err0: + mutex_unlock(&hdmi.lock); + return r; +} + +void omapdss_hdmi_display_disable(struct omap_dss_device *dssdev) +{ + DSSDBG("Enter hdmi_display_disable\n"); + + mutex_lock(&hdmi.lock); + + hdmi_power_off(dssdev); + + if (dssdev->platform_disable) + dssdev->platform_disable(dssdev); + + omap_dss_stop_device(dssdev); + + mutex_unlock(&hdmi.lock); +} + +/* HDMI HW IP initialisation */ +static int omapdss_hdmihw_probe(struct platform_device *pdev) +{ + struct resource *hdmi_mem; + + hdmi.pdata = pdev->dev.platform_data; + hdmi.pdev = pdev; + + mutex_init(&hdmi.lock); + + hdmi_mem = platform_get_resource(hdmi.pdev, IORESOURCE_MEM, 0); + if (!hdmi_mem) { + DSSERR("can't get IORESOURCE_MEM HDMI\n"); + return -EINVAL; + } + + /* Base address taken from platform */ + hdmi.base_wp = ioremap(hdmi_mem->start, resource_size(hdmi_mem)); + if (!hdmi.base_wp) { + DSSERR("can't ioremap WP\n"); + return -ENOMEM; + } + + hdmi_panel_init(); + + return 0; +} + +static int omapdss_hdmihw_remove(struct platform_device *pdev) +{ + hdmi_panel_exit(); + + iounmap(hdmi.base_wp); + + return 0; +} + +static struct platform_driver omapdss_hdmihw_driver = { + .probe = omapdss_hdmihw_probe, + .remove = omapdss_hdmihw_remove, + .driver = { + .name = "omapdss_hdmi", + .owner = THIS_MODULE, + }, +}; + +int hdmi_init_platform_driver(void) +{ + return platform_driver_register(&omapdss_hdmihw_driver); +} + +void hdmi_uninit_platform_driver(void) +{ + return platform_driver_unregister(&omapdss_hdmihw_driver); +} diff --git a/drivers/video/omap2/dss/hdmi.h b/drivers/video/omap2/dss/hdmi.h new file mode 100644 index 0000000..9887ab9 --- /dev/null +++ b/drivers/video/omap2/dss/hdmi.h @@ -0,0 +1,415 @@ +/* + * hdmi.h + * + * HDMI driver definition for TI OMAP4 processors. + * + * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com/ + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef _OMAP4_DSS_HDMI_H_ +#define _OMAP4_DSS_HDMI_H_ + +#include <linux/string.h> +#include <plat/display.h> + +#define HDMI_WP 0x0 +#define HDMI_CORE_SYS 0x400 +#define HDMI_CORE_AV 0x900 +#define HDMI_PLLCTRL 0x200 +#define HDMI_PHY 0x300 + +struct hdmi_reg { u16 idx; }; + +#define HDMI_REG(idx) ((const struct hdmi_reg) { idx }) + +/* HDMI Wrapper */ +#define HDMI_WP_REG(idx) HDMI_REG(HDMI_WP + idx) + +#define HDMI_WP_REVISION HDMI_WP_REG(0x0) +#define HDMI_WP_SYSCONFIG HDMI_WP_REG(0x10) +#define HDMI_WP_IRQSTATUS_RAW HDMI_WP_REG(0x24) +#define HDMI_WP_IRQSTATUS HDMI_WP_REG(0x28) +#define HDMI_WP_PWR_CTRL HDMI_WP_REG(0x40) +#define HDMI_WP_IRQENABLE_SET HDMI_WP_REG(0x2C) +#define HDMI_WP_VIDEO_CFG HDMI_WP_REG(0x50) +#define HDMI_WP_VIDEO_SIZE HDMI_WP_REG(0x60) +#define HDMI_WP_VIDEO_TIMING_H HDMI_WP_REG(0x68) +#define HDMI_WP_VIDEO_TIMING_V HDMI_WP_REG(0x6C) +#define HDMI_WP_WP_CLK HDMI_WP_REG(0x70) + +/* HDMI IP Core System */ +#define HDMI_CORE_SYS_REG(idx) HDMI_REG(HDMI_CORE_SYS + idx) + +#define HDMI_CORE_SYS_VND_IDL HDMI_CORE_SYS_REG(0x0) +#define HDMI_CORE_SYS_DEV_IDL HDMI_CORE_SYS_REG(0x8) +#define HDMI_CORE_SYS_DEV_IDH HDMI_CORE_SYS_REG(0xC) +#define HDMI_CORE_SYS_DEV_REV HDMI_CORE_SYS_REG(0x10) +#define HDMI_CORE_SYS_SRST HDMI_CORE_SYS_REG(0x14) +#define HDMI_CORE_CTRL1 HDMI_CORE_SYS_REG(0x20) +#define HDMI_CORE_SYS_SYS_STAT HDMI_CORE_SYS_REG(0x24) +#define HDMI_CORE_SYS_VID_ACEN HDMI_CORE_SYS_REG(0x124) +#define HDMI_CORE_SYS_VID_MODE HDMI_CORE_SYS_REG(0x128) +#define HDMI_CORE_SYS_INTR_STATE HDMI_CORE_SYS_REG(0x1C0) +#define HDMI_CORE_SYS_INTR1 HDMI_CORE_SYS_REG(0x1C4) +#define HDMI_CORE_SYS_INTR2 HDMI_CORE_SYS_REG(0x1C8) +#define HDMI_CORE_SYS_INTR3 HDMI_CORE_SYS_REG(0x1CC) +#define HDMI_CORE_SYS_INTR4 HDMI_CORE_SYS_REG(0x1D0) +#define HDMI_CORE_SYS_UMASK1 HDMI_CORE_SYS_REG(0x1D4) +#define HDMI_CORE_SYS_TMDS_CTRL HDMI_CORE_SYS_REG(0x208) +#define HDMI_CORE_SYS_DE_DLY HDMI_CORE_SYS_REG(0xC8) +#define HDMI_CORE_SYS_DE_CTRL HDMI_CORE_SYS_REG(0xCC) +#define HDMI_CORE_SYS_DE_TOP HDMI_CORE_SYS_REG(0xD0) +#define HDMI_CORE_SYS_DE_CNTL HDMI_CORE_SYS_REG(0xD8) +#define HDMI_CORE_SYS_DE_CNTH HDMI_CORE_SYS_REG(0xDC) +#define HDMI_CORE_SYS_DE_LINL HDMI_CORE_SYS_REG(0xE0) +#define HDMI_CORE_SYS_DE_LINH_1 HDMI_CORE_SYS_REG(0xE4) +#define HDMI_CORE_CTRL1_VEN_FOLLOWVSYNC 0x1 +#define HDMI_CORE_CTRL1_HEN_FOLLOWHSYNC 0x1 +#define HDMI_CORE_CTRL1_BSEL_24BITBUS 0x1 +#define HDMI_CORE_CTRL1_EDGE_RISINGEDGE 0x1 + +/* HDMI DDC E-DID */ +#define HDMI_CORE_DDC_CMD HDMI_CORE_SYS_REG(0x3CC) +#define HDMI_CORE_DDC_STATUS HDMI_CORE_SYS_REG(0x3C8) +#define HDMI_CORE_DDC_ADDR HDMI_CORE_SYS_REG(0x3B4) +#define HDMI_CORE_DDC_OFFSET HDMI_CORE_SYS_REG(0x3BC) +#define HDMI_CORE_DDC_COUNT1 HDMI_CORE_SYS_REG(0x3C0) +#define HDMI_CORE_DDC_COUNT2 HDMI_CORE_SYS_REG(0x3C4) +#define HDMI_CORE_DDC_DATA HDMI_CORE_SYS_REG(0x3D0) +#define HDMI_CORE_DDC_SEGM HDMI_CORE_SYS_REG(0x3B8) + +/* HDMI IP Core Audio Video */ +#define HDMI_CORE_AV_REG(idx) HDMI_REG(HDMI_CORE_AV + idx) + +#define HDMI_CORE_AV_HDMI_CTRL HDMI_CORE_AV_REG(0xBC) +#define HDMI_CORE_AV_DPD HDMI_CORE_AV_REG(0xF4) +#define HDMI_CORE_AV_PB_CTRL1 HDMI_CORE_AV_REG(0xF8) +#define HDMI_CORE_AV_PB_CTRL2 HDMI_CORE_AV_REG(0xFC) +#define HDMI_CORE_AV_AVI_TYPE HDMI_CORE_AV_REG(0x100) +#define HDMI_CORE_AV_AVI_VERS HDMI_CORE_AV_REG(0x104) +#define HDMI_CORE_AV_AVI_LEN HDMI_CORE_AV_REG(0x108) +#define HDMI_CORE_AV_AVI_CHSUM HDMI_CORE_AV_REG(0x10C) +#define HDMI_CORE_AV_AVI_DBYTE(n) HDMI_CORE_AV_REG(n * 4 + 0x110) +#define HDMI_CORE_AV_AVI_DBYTE_NELEMS HDMI_CORE_AV_REG(15) +#define HDMI_CORE_AV_SPD_DBYTE HDMI_CORE_AV_REG(0x190) +#define HDMI_CORE_AV_SPD_DBYTE_NELEMS HDMI_CORE_AV_REG(27) +#define HDMI_CORE_AV_MPEG_DBYTE HDMI_CORE_AV_REG(0x290) +#define HDMI_CORE_AV_MPEG_DBYTE_NELEMS HDMI_CORE_AV_REG(27) +#define HDMI_CORE_AV_GEN_DBYTE HDMI_CORE_AV_REG(0x300) +#define HDMI_CORE_AV_GEN_DBYTE_NELEMS HDMI_CORE_AV_REG(31) +#define HDMI_CORE_AV_GEN2_DBYTE HDMI_CORE_AV_REG(0x380) +#define HDMI_CORE_AV_GEN2_DBYTE_NELEMS HDMI_CORE_AV_REG(31) +#define HDMI_CORE_AV_ACR_CTRL HDMI_CORE_AV_REG(0x4) +#define HDMI_CORE_AV_FREQ_SVAL HDMI_CORE_AV_REG(0x8) +#define HDMI_CORE_AV_N_SVAL1 HDMI_CORE_AV_REG(0xC) +#define HDMI_CORE_AV_N_SVAL2 HDMI_CORE_AV_REG(0x10) +#define HDMI_CORE_AV_N_SVAL3 HDMI_CORE_AV_REG(0x14) +#define HDMI_CORE_AV_CTS_SVAL1 HDMI_CORE_AV_REG(0x18) +#define HDMI_CORE_AV_CTS_SVAL2 HDMI_CORE_AV_REG(0x1C) +#define HDMI_CORE_AV_CTS_SVAL3 HDMI_CORE_AV_REG(0x20) +#define HDMI_CORE_AV_CTS_HVAL1 HDMI_CORE_AV_REG(0x24) +#define HDMI_CORE_AV_CTS_HVAL2 HDMI_CORE_AV_REG(0x28) +#define HDMI_CORE_AV_CTS_HVAL3 HDMI_CORE_AV_REG(0x2C) +#define HDMI_CORE_AV_AUD_MODE HDMI_CORE_AV_REG(0x50) +#define HDMI_CORE_AV_SPDIF_CTRL HDMI_CORE_AV_REG(0x54) +#define HDMI_CORE_AV_HW_SPDIF_FS HDMI_CORE_AV_REG(0x60) +#define HDMI_CORE_AV_SWAP_I2S HDMI_CORE_AV_REG(0x64) +#define HDMI_CORE_AV_SPDIF_ERTH HDMI_CORE_AV_REG(0x6C) +#define HDMI_CORE_AV_I2S_IN_MAP HDMI_CORE_AV_REG(0x70) +#define HDMI_CORE_AV_I2S_IN_CTRL HDMI_CORE_AV_REG(0x74) +#define HDMI_CORE_AV_I2S_CHST0 HDMI_CORE_AV_REG(0x78) +#define HDMI_CORE_AV_I2S_CHST1 HDMI_CORE_AV_REG(0x7C) +#define HDMI_CORE_AV_I2S_CHST2 HDMI_CORE_AV_REG(0x80) +#define HDMI_CORE_AV_I2S_CHST4 HDMI_CORE_AV_REG(0x84) +#define HDMI_CORE_AV_I2S_CHST5 HDMI_CORE_AV_REG(0x88) +#define HDMI_CORE_AV_ASRC HDMI_CORE_AV_REG(0x8C) +#define HDMI_CORE_AV_I2S_IN_LEN HDMI_CORE_AV_REG(0x90) +#define HDMI_CORE_AV_HDMI_CTRL HDMI_CORE_AV_REG(0xBC) +#define HDMI_CORE_AV_AUDO_TXSTAT HDMI_CORE_AV_REG(0xC0) +#define HDMI_CORE_AV_AUD_PAR_BUSCLK_1 HDMI_CORE_AV_REG(0xCC) +#define HDMI_CORE_AV_AUD_PAR_BUSCLK_2 HDMI_CORE_AV_REG(0xD0) +#define HDMI_CORE_AV_AUD_PAR_BUSCLK_3 HDMI_CORE_AV_REG(0xD4) +#define HDMI_CORE_AV_TEST_TXCTRL HDMI_CORE_AV_REG(0xF0) +#define HDMI_CORE_AV_DPD HDMI_CORE_AV_REG(0xF4) +#define HDMI_CORE_AV_PB_CTRL1 HDMI_CORE_AV_REG(0xF8) +#define HDMI_CORE_AV_PB_CTRL2 HDMI_CORE_AV_REG(0xFC) +#define HDMI_CORE_AV_AVI_TYPE HDMI_CORE_AV_REG(0x100) +#define HDMI_CORE_AV_AVI_VERS HDMI_CORE_AV_REG(0x104) +#define HDMI_CORE_AV_AVI_LEN HDMI_CORE_AV_REG(0x108) +#define HDMI_CORE_AV_AVI_CHSUM HDMI_CORE_AV_REG(0x10C) +#define HDMI_CORE_AV_SPD_TYPE HDMI_CORE_AV_REG(0x180) +#define HDMI_CORE_AV_SPD_VERS HDMI_CORE_AV_REG(0x184) +#define HDMI_CORE_AV_SPD_LEN HDMI_CORE_AV_REG(0x188) +#define HDMI_CORE_AV_SPD_CHSUM HDMI_CORE_AV_REG(0x18C) +#define HDMI_CORE_AV_MPEG_TYPE HDMI_CORE_AV_REG(0x280) +#define HDMI_CORE_AV_MPEG_VERS HDMI_CORE_AV_REG(0x284) +#define HDMI_CORE_AV_MPEG_LEN HDMI_CORE_AV_REG(0x288) +#define HDMI_CORE_AV_MPEG_CHSUM HDMI_CORE_AV_REG(0x28C) +#define HDMI_CORE_AV_CP_BYTE1 HDMI_CORE_AV_REG(0x37C) +#define HDMI_CORE_AV_CEC_ADDR_ID HDMI_CORE_AV_REG(0x3FC) +#define HDMI_CORE_AV_SPD_DBYTE_ELSIZE 0x4 +#define HDMI_CORE_AV_GEN2_DBYTE_ELSIZE 0x4 +#define HDMI_CORE_AV_MPEG_DBYTE_ELSIZE 0x4 +#define HDMI_CORE_AV_GEN_DBYTE_ELSIZE 0x4 + +/* PLL */ +#define HDMI_PLL_REG(idx) HDMI_REG(HDMI_PLLCTRL + idx) + +#define PLLCTRL_PLL_CONTROL HDMI_PLL_REG(0x0) +#define PLLCTRL_PLL_STATUS HDMI_PLL_REG(0x4) +#define PLLCTRL_PLL_GO HDMI_PLL_REG(0x8) +#define PLLCTRL_CFG1 HDMI_PLL_REG(0xC) +#define PLLCTRL_CFG2 HDMI_PLL_REG(0x10) +#define PLLCTRL_CFG3 HDMI_PLL_REG(0x14) +#define PLLCTRL_CFG4 HDMI_PLL_REG(0x20) + +/* HDMI PHY */ +#define HDMI_PHY_REG(idx) HDMI_REG(HDMI_PHY + idx) + +#define HDMI_TXPHY_TX_CTRL HDMI_PHY_REG(0x0) +#define HDMI_TXPHY_DIGITAL_CTRL HDMI_PHY_REG(0x4) +#define HDMI_TXPHY_POWER_CTRL HDMI_PHY_REG(0x8) +#define HDMI_TXPHY_PAD_CFG_CTRL HDMI_PHY_REG(0xC) + +/* HDMI EDID Length */ +#define HDMI_EDID_MAX_LENGTH 256 +#define EDID_TIMING_DESCRIPTOR_SIZE 0x12 +#define EDID_DESCRIPTOR_BLOCK0_ADDRESS 0x36 +#define EDID_DESCRIPTOR_BLOCK1_ADDRESS 0x80 +#define EDID_SIZE_BLOCK0_TIMING_DESCRIPTOR 4 +#define EDID_SIZE_BLOCK1_TIMING_DESCRIPTOR 4 + +#define OMAP_HDMI_TIMINGS_NB 34 + +#define REG_FLD_MOD(idx, val, start, end) \ + hdmi_write_reg(idx, FLD_MOD(hdmi_read_reg(idx), val, start, end)) +#define REG_GET(idx, start, end) \ + FLD_GET(hdmi_read_reg(idx), start, end) + +/* HDMI timing structure */ +struct hdmi_timings { + struct omap_video_timings timings; + int vsync_pol; + int hsync_pol; +}; + +enum hdmi_phy_pwr { + HDMI_PHYPWRCMD_OFF = 0, + HDMI_PHYPWRCMD_LDOON = 1, + HDMI_PHYPWRCMD_TXON = 2 +}; + +enum hdmi_pll_pwr { + HDMI_PLLPWRCMD_ALLOFF = 0, + HDMI_PLLPWRCMD_PLLONLY = 1, + HDMI_PLLPWRCMD_BOTHON_ALLCLKS = 2, + HDMI_PLLPWRCMD_BOTHON_NOPHYCLK = 3 +}; + +enum hdmi_clk_refsel { + HDMI_REFSEL_PCLK = 0, + HDMI_REFSEL_REF1 = 1, + HDMI_REFSEL_REF2 = 2, + HDMI_REFSEL_SYSCLK = 3 +}; + +enum hdmi_core_inputbus_width { + HDMI_INPUT_8BIT = 0, + HDMI_INPUT_10BIT = 1, + HDMI_INPUT_12BIT = 2 +}; + +enum hdmi_core_dither_trunc { + HDMI_OUTPUTTRUNCATION_8BIT = 0, + HDMI_OUTPUTTRUNCATION_10BIT = 1, + HDMI_OUTPUTTRUNCATION_12BIT = 2, + HDMI_OUTPUTDITHER_8BIT = 3, + HDMI_OUTPUTDITHER_10BIT = 4, + HDMI_OUTPUTDITHER_12BIT = 5 +}; + +enum hdmi_core_deepcolor_ed { + HDMI_DEEPCOLORPACKECTDISABLE = 0, + HDMI_DEEPCOLORPACKECTENABLE = 1 +}; + +enum hdmi_core_packet_mode { + HDMI_PACKETMODERESERVEDVALUE = 0, + HDMI_PACKETMODE24BITPERPIXEL = 4, + HDMI_PACKETMODE30BITPERPIXEL = 5, + HDMI_PACKETMODE36BITPERPIXEL = 6, + HDMI_PACKETMODE48BITPERPIXEL = 7 +}; + +enum hdmi_core_hdmi_dvi { + HDMI_DVI = 0, + HDMI_HDMI = 1 +}; + +enum hdmi_core_tclkselclkmult { + HDMI_FPLL05IDCK = 0, + HDMI_FPLL10IDCK = 1, + HDMI_FPLL20IDCK = 2, + HDMI_FPLL40IDCK = 3 +}; + +enum hdmi_core_packet_ctrl { + HDMI_PACKETENABLE = 1, + HDMI_PACKETDISABLE = 0, + HDMI_PACKETREPEATON = 1, + HDMI_PACKETREPEATOFF = 0 +}; + +/* INFOFRAME_AVI_ definitions */ +enum hdmi_core_infoframe { + HDMI_INFOFRAME_AVI_DB1Y_RGB = 0, + HDMI_INFOFRAME_AVI_DB1Y_YUV422 = 1, + HDMI_INFOFRAME_AVI_DB1Y_YUV444 = 2, + HDMI_INFOFRAME_AVI_DB1A_ACTIVE_FORMAT_OFF = 0, + HDMI_INFOFRAME_AVI_DB1A_ACTIVE_FORMAT_ON = 1, + HDMI_INFOFRAME_AVI_DB1B_NO = 0, + HDMI_INFOFRAME_AVI_DB1B_VERT = 1, + HDMI_INFOFRAME_AVI_DB1B_HORI = 2, + HDMI_INFOFRAME_AVI_DB1B_VERTHORI = 3, + HDMI_INFOFRAME_AVI_DB1S_0 = 0, + HDMI_INFOFRAME_AVI_DB1S_1 = 1, + HDMI_INFOFRAME_AVI_DB1S_2 = 2, + HDMI_INFOFRAME_AVI_DB2C_NO = 0, + HDMI_INFOFRAME_AVI_DB2C_ITU601 = 1, + HDMI_INFOFRAME_AVI_DB2C_ITU709 = 2, + HDMI_INFOFRAME_AVI_DB2C_EC_EXTENDED = 3, + HDMI_INFOFRAME_AVI_DB2M_NO = 0, + HDMI_INFOFRAME_AVI_DB2M_43 = 1, + HDMI_INFOFRAME_AVI_DB2M_169 = 2, + HDMI_INFOFRAME_AVI_DB2R_SAME = 8, + HDMI_INFOFRAME_AVI_DB2R_43 = 9, + HDMI_INFOFRAME_AVI_DB2R_169 = 10, + HDMI_INFOFRAME_AVI_DB2R_149 = 11, + HDMI_INFOFRAME_AVI_DB3ITC_NO = 0, + HDMI_INFOFRAME_AVI_DB3ITC_YES = 1, + HDMI_INFOFRAME_AVI_DB3EC_XVYUV601 = 0, + HDMI_INFOFRAME_AVI_DB3EC_XVYUV709 = 1, + HDMI_INFOFRAME_AVI_DB3Q_DEFAULT = 0, + HDMI_INFOFRAME_AVI_DB3Q_LR = 1, + HDMI_INFOFRAME_AVI_DB3Q_FR = 2, + HDMI_INFOFRAME_AVI_DB3SC_NO = 0, + HDMI_INFOFRAME_AVI_DB3SC_HORI = 1, + HDMI_INFOFRAME_AVI_DB3SC_VERT = 2, + HDMI_INFOFRAME_AVI_DB3SC_HORIVERT = 3, + HDMI_INFOFRAME_AVI_DB5PR_NO = 0, + HDMI_INFOFRAME_AVI_DB5PR_2 = 1, + HDMI_INFOFRAME_AVI_DB5PR_3 = 2, + HDMI_INFOFRAME_AVI_DB5PR_4 = 3, + HDMI_INFOFRAME_AVI_DB5PR_5 = 4, + HDMI_INFOFRAME_AVI_DB5PR_6 = 5, + HDMI_INFOFRAME_AVI_DB5PR_7 = 6, + HDMI_INFOFRAME_AVI_DB5PR_8 = 7, + HDMI_INFOFRAME_AVI_DB5PR_9 = 8, + HDMI_INFOFRAME_AVI_DB5PR_10 = 9 +}; + +enum hdmi_packing_mode { + HDMI_PACK_10b_RGB_YUV444 = 0, + HDMI_PACK_24b_RGB_YUV444_YUV422 = 1, + HDMI_PACK_20b_YUV422 = 2, + HDMI_PACK_ALREADYPACKED = 7 +}; + +struct hdmi_core_video_config { + enum hdmi_core_inputbus_width ip_bus_width; + enum hdmi_core_dither_trunc op_dither_truc; + enum hdmi_core_deepcolor_ed deep_color_pkt; + enum hdmi_core_packet_mode pkt_mode; + enum hdmi_core_hdmi_dvi hdmi_dvi; + enum hdmi_core_tclkselclkmult tclk_sel_clkmult; +}; + +/* + * Refer to section 8.2 in HDMI 1.3 specification for + * details about infoframe databytes + */ +struct hdmi_core_infoframe_avi { + u8 db1_format; + /* Y0, Y1 rgb,yCbCr */ + u8 db1_active_info; + /* A0 Active information Present */ + u8 db1_bar_info_dv; + /* B0, B1 Bar info data valid */ + u8 db1_scan_info; + /* S0, S1 scan information */ + u8 db2_colorimetry; + /* C0, C1 colorimetry */ + u8 db2_aspect_ratio; + /* M0, M1 Aspect ratio (4:3, 16:9) */ + u8 db2_active_fmt_ar; + /* R0...R3 Active format aspect ratio */ + u8 db3_itc; + /* ITC IT content. */ + u8 db3_ec; + /* EC0, EC1, EC2 Extended colorimetry */ + u8 db3_q_range; + /* Q1, Q0 Quantization range */ + u8 db3_nup_scaling; + /* SC1, SC0 Non-uniform picture scaling */ + u8 db4_videocode; + /* VIC0..6 Video format identification */ + u8 db5_pixel_repeat; + /* PR0..PR3 Pixel repetition factor */ + u16 db6_7_line_eoftop; + /* Line number end of top bar */ + u16 db8_9_line_sofbottom; + /* Line number start of bottom bar */ + u16 db10_11_pixel_eofleft; + /* Pixel number end of left bar */ + u16 db12_13_pixel_sofright; + /* Pixel number start of right bar */ +}; + +struct hdmi_core_packet_enable_repeat { + u32 audio_pkt; + u32 audio_pkt_repeat; + u32 avi_infoframe; + u32 avi_infoframe_repeat; + u32 gen_cntrl_pkt; + u32 gen_cntrl_pkt_repeat; + u32 generic_pkt; + u32 generic_pkt_repeat; +}; + +struct hdmi_video_format { + enum hdmi_packing_mode packing_mode; + u32 y_res; /* Line per panel */ + u32 x_res; /* pixel per line */ +}; + +struct hdmi_video_interface { + int vsp; /* Vsync polarity */ + int hsp; /* Hsync polarity */ + int interlacing; + int tm; /* Timing mode */ +}; + +struct hdmi_cm { + int code; + int mode; +}; + +struct hdmi_config { + struct hdmi_timings timings; + u16 interlace; + struct hdmi_cm cm; +}; + +#endif diff --git a/drivers/video/omap2/dss/hdmi_omap4_panel.c b/drivers/video/omap2/dss/hdmi_omap4_panel.c new file mode 100644 index 0000000..ffb5de9 --- /dev/null +++ b/drivers/video/omap2/dss/hdmi_omap4_panel.c @@ -0,0 +1,222 @@ +/* + * hdmi_omap4_panel.c + * + * HDMI library support functions for TI OMAP4 processors. + * + * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com/ + * Authors: Mythri P k <mythripk@ti.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <linux/kernel.h> +#include <linux/err.h> +#include <linux/io.h> +#include <linux/mutex.h> +#include <linux/module.h> +#include <plat/display.h> + +#include "dss.h" + +static struct { + struct mutex hdmi_lock; +} hdmi; + + +static int hdmi_panel_probe(struct omap_dss_device *dssdev) +{ + DSSDBG("ENTER hdmi_panel_probe\n"); + + dssdev->panel.config = OMAP_DSS_LCD_TFT | + OMAP_DSS_LCD_IVS | OMAP_DSS_LCD_IHS; + + /* + * Initialize the timings to 640 * 480 + * This is only for framebuffer update not for TV timing setting + * Setting TV timing will be done only on enable + */ + dssdev->panel.timings.x_res = 640; + dssdev->panel.timings.y_res = 480; + + DSSDBG("hdmi_panel_probe x_res= %d y_res = %d\n", + dssdev->panel.timings.x_res, + dssdev->panel.timings.y_res); + return 0; +} + +static void hdmi_panel_remove(struct omap_dss_device *dssdev) +{ + +} + +static int hdmi_panel_enable(struct omap_dss_device *dssdev) +{ + int r = 0; + DSSDBG("ENTER hdmi_panel_enable\n"); + + mutex_lock(&hdmi.hdmi_lock); + + if (dssdev->state != OMAP_DSS_DISPLAY_DISABLED) { + r = -EINVAL; + goto err; + } + + r = omapdss_hdmi_display_enable(dssdev); + if (r) { + DSSERR("failed to power on\n"); + goto err; + } + + dssdev->state = OMAP_DSS_DISPLAY_ACTIVE; + +err: + mutex_unlock(&hdmi.hdmi_lock); + + return r; +} + +static void hdmi_panel_disable(struct omap_dss_device *dssdev) +{ + mutex_lock(&hdmi.hdmi_lock); + + if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) + omapdss_hdmi_display_disable(dssdev); + + dssdev->state = OMAP_DSS_DISPLAY_DISABLED; + + mutex_unlock(&hdmi.hdmi_lock); +} + +static int hdmi_panel_suspend(struct omap_dss_device *dssdev) +{ + int r = 0; + + mutex_lock(&hdmi.hdmi_lock); + + if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE) { + r = -EINVAL; + goto err; + } + + dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED; + + omapdss_hdmi_display_disable(dssdev); + +err: + mutex_unlock(&hdmi.hdmi_lock); + + return r; +} + +static int hdmi_panel_resume(struct omap_dss_device *dssdev) +{ + int r = 0; + + mutex_lock(&hdmi.hdmi_lock); + + if (dssdev->state != OMAP_DSS_DISPLAY_SUSPENDED) { + r = -EINVAL; + goto err; + } + + r = omapdss_hdmi_display_enable(dssdev); + if (r) { + DSSERR("failed to power on\n"); + goto err; + } + + dssdev->state = OMAP_DSS_DISPLAY_ACTIVE; + +err: + mutex_unlock(&hdmi.hdmi_lock); + + return r; +} + +static void hdmi_get_timings(struct omap_dss_device *dssdev, + struct omap_video_timings *timings) +{ + mutex_lock(&hdmi.hdmi_lock); + + *timings = dssdev->panel.timings; + + mutex_unlock(&hdmi.hdmi_lock); +} + +static void hdmi_set_timings(struct omap_dss_device *dssdev, + struct omap_video_timings *timings) +{ + DSSDBG("hdmi_set_timings\n"); + + mutex_lock(&hdmi.hdmi_lock); + + dssdev->panel.timings = *timings; + + if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) { + /* turn the hdmi off and on to get new timings to use */ + omapdss_hdmi_display_disable(dssdev); + omapdss_hdmi_display_set_timing(dssdev); + } + + mutex_unlock(&hdmi.hdmi_lock); +} + +static int hdmi_check_timings(struct omap_dss_device *dssdev, + struct omap_video_timings *timings) +{ + int r = 0; + + DSSDBG("hdmi_check_timings\n"); + + mutex_lock(&hdmi.hdmi_lock); + + r = omapdss_hdmi_display_check_timing(dssdev, timings); + if (r) { + DSSERR("Timing cannot be applied\n"); + goto err; + } +err: + mutex_unlock(&hdmi.hdmi_lock); + return r; +} + +static struct omap_dss_driver hdmi_driver = { + .probe = hdmi_panel_probe, + .remove = hdmi_panel_remove, + .enable = hdmi_panel_enable, + .disable = hdmi_panel_disable, + .suspend = hdmi_panel_suspend, + .resume = hdmi_panel_resume, + .get_timings = hdmi_get_timings, + .set_timings = hdmi_set_timings, + .check_timings = hdmi_check_timings, + .driver = { + .name = "hdmi_panel", + .owner = THIS_MODULE, + }, +}; + +int hdmi_panel_init(void) +{ + mutex_init(&hdmi.hdmi_lock); + + omap_dss_register_driver(&hdmi_driver); + + return 0; +} + +void hdmi_panel_exit(void) +{ + omap_dss_unregister_driver(&hdmi_driver); + +} diff --git a/drivers/video/omap2/dss/manager.c b/drivers/video/omap2/dss/manager.c index 172d4e6..bcd37ec 100644 --- a/drivers/video/omap2/dss/manager.c +++ b/drivers/video/omap2/dss/manager.c @@ -515,6 +515,8 @@ static int dss_mgr_wait_for_vsync(struct omap_overlay_manager *mgr) if (mgr->device->type == OMAP_DISPLAY_TYPE_VENC) { irq = DISPC_IRQ_EVSYNC_ODD; + } else if (mgr->device->type == OMAP_DISPLAY_TYPE_HDMI) { + irq = DISPC_IRQ_EVSYNC_EVEN; } else { if (mgr->id == OMAP_DSS_CHANNEL_LCD) irq = DISPC_IRQ_VSYNC; @@ -536,7 +538,8 @@ static int dss_mgr_wait_for_go(struct omap_overlay_manager *mgr) if (!dssdev || dssdev->state != OMAP_DSS_DISPLAY_ACTIVE) return 0; - if (dssdev->type == OMAP_DISPLAY_TYPE_VENC) { + if (dssdev->type == OMAP_DISPLAY_TYPE_VENC + || dssdev->type == OMAP_DISPLAY_TYPE_HDMI) { irq = DISPC_IRQ_EVSYNC_ODD | DISPC_IRQ_EVSYNC_EVEN; } else { if (dssdev->caps & OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE) { @@ -613,7 +616,8 @@ int dss_mgr_wait_for_go_ovl(struct omap_overlay *ovl) if (!dssdev || dssdev->state != OMAP_DSS_DISPLAY_ACTIVE) return 0; - if (dssdev->type == OMAP_DISPLAY_TYPE_VENC) { + if (dssdev->type == OMAP_DISPLAY_TYPE_VENC + || dssdev->type == OMAP_DISPLAY_TYPE_HDMI) { irq = DISPC_IRQ_EVSYNC_ODD | DISPC_IRQ_EVSYNC_EVEN; } else { if (dssdev->caps & OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE) { @@ -1377,6 +1381,7 @@ static int omap_dss_mgr_apply(struct omap_overlay_manager *mgr) case OMAP_DISPLAY_TYPE_DBI: case OMAP_DISPLAY_TYPE_SDI: case OMAP_DISPLAY_TYPE_VENC: + case OMAP_DISPLAY_TYPE_HDMI: default_get_overlay_fifo_thresholds(ovl->id, size, &oc->burst_size, &oc->fifo_low, &oc->fifo_high); @@ -1394,7 +1399,7 @@ static int omap_dss_mgr_apply(struct omap_overlay_manager *mgr) } r = 0; - dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK1); + dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK); if (!dss_cache.irq_enabled) { u32 mask; @@ -1407,7 +1412,7 @@ static int omap_dss_mgr_apply(struct omap_overlay_manager *mgr) dss_cache.irq_enabled = true; } configure_dispc(); - dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK1); + dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK); spin_unlock_irqrestore(&dss_cache.lock, flags); diff --git a/drivers/video/omap2/dss/overlay.c b/drivers/video/omap2/dss/overlay.c index 456efef..f1aca6d 100644 --- a/drivers/video/omap2/dss/overlay.c +++ b/drivers/video/omap2/dss/overlay.c @@ -490,7 +490,7 @@ static int omap_dss_set_manager(struct omap_overlay *ovl, ovl->manager = mgr; - dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK1); + dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK); /* XXX: on manual update display, in auto update mode, a bug happens * here. When an overlay is first enabled on LCD, then it's disabled, * and the manager is changed to TV, we sometimes get SYNC_LOST_DIGIT @@ -499,7 +499,7 @@ static int omap_dss_set_manager(struct omap_overlay *ovl, * but I don't understand how or why. */ msleep(40); dispc_set_channel_out(ovl->id, mgr->id); - dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK1); + dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK); return 0; } @@ -679,7 +679,8 @@ void dss_recheck_connections(struct omap_dss_device *dssdev, bool force) lcd2_mgr->set_device(lcd2_mgr, dssdev); mgr = lcd2_mgr; } - } else if (dssdev->type != OMAP_DISPLAY_TYPE_VENC) { + } else if (dssdev->type != OMAP_DISPLAY_TYPE_VENC + && dssdev->type != OMAP_DISPLAY_TYPE_HDMI) { if (!lcd_mgr->device || force) { if (lcd_mgr->device) lcd_mgr->unset_device(lcd_mgr); @@ -688,7 +689,8 @@ void dss_recheck_connections(struct omap_dss_device *dssdev, bool force) } } - if (dssdev->type == OMAP_DISPLAY_TYPE_VENC) { + if (dssdev->type == OMAP_DISPLAY_TYPE_VENC + || dssdev->type == OMAP_DISPLAY_TYPE_HDMI) { if (!tv_mgr->device || force) { if (tv_mgr->device) tv_mgr->unset_device(tv_mgr); diff --git a/drivers/video/omap2/dss/rfbi.c b/drivers/video/omap2/dss/rfbi.c index 10a2ffe..5ea17f4 100644 --- a/drivers/video/omap2/dss/rfbi.c +++ b/drivers/video/omap2/dss/rfbi.c @@ -36,8 +36,6 @@ #include <plat/display.h> #include "dss.h" -#define RFBI_BASE 0x48050800 - struct rfbi_reg { u16 idx; }; #define RFBI_REG(idx) ((const struct rfbi_reg) { idx }) @@ -100,6 +98,7 @@ static int rfbi_convert_timings(struct rfbi_timings *t); static void rfbi_get_clk_info(u32 *clk_period, u32 *max_clk_div); static struct { + struct platform_device *pdev; void __iomem *base; unsigned long l4_khz; @@ -142,9 +141,9 @@ static inline u32 rfbi_read_reg(const struct rfbi_reg idx) static void rfbi_enable_clocks(bool enable) { if (enable) - dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK1); + dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK); else - dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK1); + dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK); } void omap_rfbi_write_command(const void *buf, u32 len) @@ -497,7 +496,7 @@ unsigned long rfbi_get_max_tx_rate(void) }; l4_rate = rfbi.l4_khz / 1000; - dss1_rate = dss_clk_get_rate(DSS_CLK_FCK1) / 1000000; + dss1_rate = dss_clk_get_rate(DSS_CLK_FCK) / 1000000; for (i = 0; i < ARRAY_SIZE(ftab); i++) { /* Use a window instead of an exact match, to account @@ -922,7 +921,7 @@ void rfbi_dump_regs(struct seq_file *s) { #define DUMPREG(r) seq_printf(s, "%-35s %08x\n", #r, rfbi_read_reg(r)) - dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK1); + dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK); DUMPREG(RFBI_REVISION); DUMPREG(RFBI_SYSCONFIG); @@ -953,54 +952,10 @@ void rfbi_dump_regs(struct seq_file *s) DUMPREG(RFBI_VSYNC_WIDTH); DUMPREG(RFBI_HSYNC_WIDTH); - dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK1); + dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK); #undef DUMPREG } -int rfbi_init(void) -{ - u32 rev; - u32 l; - - spin_lock_init(&rfbi.cmd_lock); - - init_completion(&rfbi.cmd_done); - atomic_set(&rfbi.cmd_fifo_full, 0); - atomic_set(&rfbi.cmd_pending, 0); - - rfbi.base = ioremap(RFBI_BASE, SZ_256); - if (!rfbi.base) { - DSSERR("can't ioremap RFBI\n"); - return -ENOMEM; - } - - rfbi_enable_clocks(1); - - msleep(10); - - rfbi.l4_khz = dss_clk_get_rate(DSS_CLK_ICK) / 1000; - - /* Enable autoidle and smart-idle */ - l = rfbi_read_reg(RFBI_SYSCONFIG); - l |= (1 << 0) | (2 << 3); - rfbi_write_reg(RFBI_SYSCONFIG, l); - - rev = rfbi_read_reg(RFBI_REVISION); - printk(KERN_INFO "OMAP RFBI rev %d.%d\n", - FLD_GET(rev, 7, 4), FLD_GET(rev, 3, 0)); - - rfbi_enable_clocks(0); - - return 0; -} - -void rfbi_exit(void) -{ - DSSDBG("rfbi_exit\n"); - - iounmap(rfbi.base); -} - int omapdss_rfbi_display_enable(struct omap_dss_device *dssdev) { int r; @@ -1056,3 +1011,74 @@ int rfbi_init_display(struct omap_dss_device *dssdev) dssdev->caps = OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE; return 0; } + +/* RFBI HW IP initialisation */ +static int omap_rfbihw_probe(struct platform_device *pdev) +{ + u32 rev; + u32 l; + struct resource *rfbi_mem; + + rfbi.pdev = pdev; + + spin_lock_init(&rfbi.cmd_lock); + + init_completion(&rfbi.cmd_done); + atomic_set(&rfbi.cmd_fifo_full, 0); + atomic_set(&rfbi.cmd_pending, 0); + + rfbi_mem = platform_get_resource(rfbi.pdev, IORESOURCE_MEM, 0); + if (!rfbi_mem) { + DSSERR("can't get IORESOURCE_MEM RFBI\n"); + return -EINVAL; + } + rfbi.base = ioremap(rfbi_mem->start, resource_size(rfbi_mem)); + if (!rfbi.base) { + DSSERR("can't ioremap RFBI\n"); + return -ENOMEM; + } + + rfbi_enable_clocks(1); + + msleep(10); + + rfbi.l4_khz = dss_clk_get_rate(DSS_CLK_ICK) / 1000; + + /* Enable autoidle and smart-idle */ + l = rfbi_read_reg(RFBI_SYSCONFIG); + l |= (1 << 0) | (2 << 3); + rfbi_write_reg(RFBI_SYSCONFIG, l); + + rev = rfbi_read_reg(RFBI_REVISION); + dev_dbg(&pdev->dev, "OMAP RFBI rev %d.%d\n", + FLD_GET(rev, 7, 4), FLD_GET(rev, 3, 0)); + + rfbi_enable_clocks(0); + + return 0; +} + +static int omap_rfbihw_remove(struct platform_device *pdev) +{ + iounmap(rfbi.base); + return 0; +} + +static struct platform_driver omap_rfbihw_driver = { + .probe = omap_rfbihw_probe, + .remove = omap_rfbihw_remove, + .driver = { + .name = "omapdss_rfbi", + .owner = THIS_MODULE, + }, +}; + +int rfbi_init_platform_driver(void) +{ + return platform_driver_register(&omap_rfbihw_driver); +} + +void rfbi_uninit_platform_driver(void) +{ + return platform_driver_unregister(&omap_rfbihw_driver); +} diff --git a/drivers/video/omap2/dss/sdi.c b/drivers/video/omap2/dss/sdi.c index b64adf7..54a53e6 100644 --- a/drivers/video/omap2/dss/sdi.c +++ b/drivers/video/omap2/dss/sdi.c @@ -30,7 +30,6 @@ #include "dss.h" static struct { - bool skip_init; bool update_enabled; struct regulator *vdds_sdi_reg; } sdi; @@ -68,9 +67,7 @@ int omapdss_sdi_display_enable(struct omap_dss_device *dssdev) if (r) goto err1; - /* In case of skip_init sdi_init has already enabled the clocks */ - if (!sdi.skip_init) - dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK1); + dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK); sdi_basic_init(dssdev); @@ -80,14 +77,8 @@ int omapdss_sdi_display_enable(struct omap_dss_device *dssdev) dispc_set_pol_freq(dssdev->manager->id, dssdev->panel.config, dssdev->panel.acbi, dssdev->panel.acb); - if (!sdi.skip_init) { - r = dss_calc_clock_div(1, t->pixel_clock * 1000, - &dss_cinfo, &dispc_cinfo); - } else { - r = dss_get_clock_div(&dss_cinfo); - r = dispc_get_clock_div(dssdev->manager->id, &dispc_cinfo); - } - + r = dss_calc_clock_div(1, t->pixel_clock * 1000, + &dss_cinfo, &dispc_cinfo); if (r) goto err2; @@ -116,21 +107,17 @@ int omapdss_sdi_display_enable(struct omap_dss_device *dssdev) if (r) goto err2; - if (!sdi.skip_init) { - dss_sdi_init(dssdev->phy.sdi.datapairs); - r = dss_sdi_enable(); - if (r) - goto err1; - mdelay(2); - } + dss_sdi_init(dssdev->phy.sdi.datapairs); + r = dss_sdi_enable(); + if (r) + goto err1; + mdelay(2); dssdev->manager->enable(dssdev->manager); - sdi.skip_init = 0; - return 0; err2: - dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK1); + dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK); regulator_disable(sdi.vdds_sdi_reg); err1: omap_dss_stop_device(dssdev); @@ -145,7 +132,7 @@ void omapdss_sdi_display_disable(struct omap_dss_device *dssdev) dss_sdi_disable(); - dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK1); + dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK); regulator_disable(sdi.vdds_sdi_reg); @@ -157,25 +144,24 @@ int sdi_init_display(struct omap_dss_device *dssdev) { DSSDBG("SDI init\n"); + if (sdi.vdds_sdi_reg == NULL) { + struct regulator *vdds_sdi; + + vdds_sdi = dss_get_vdds_sdi(); + + if (IS_ERR(vdds_sdi)) { + DSSERR("can't get VDDS_SDI regulator\n"); + return PTR_ERR(vdds_sdi); + } + + sdi.vdds_sdi_reg = vdds_sdi; + } + return 0; } -int sdi_init(bool skip_init) +int sdi_init(void) { - /* we store this for first display enable, then clear it */ - sdi.skip_init = skip_init; - - sdi.vdds_sdi_reg = dss_get_vdds_sdi(); - if (IS_ERR(sdi.vdds_sdi_reg)) { - DSSERR("can't get VDDS_SDI regulator\n"); - return PTR_ERR(sdi.vdds_sdi_reg); - } - /* - * Enable clocks already here, otherwise there would be a toggle - * of them until sdi_display_enable is called. - */ - if (skip_init) - dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK1); return 0; } diff --git a/drivers/video/omap2/dss/venc.c b/drivers/video/omap2/dss/venc.c index eff3505..8e35a5b 100644 --- a/drivers/video/omap2/dss/venc.c +++ b/drivers/video/omap2/dss/venc.c @@ -39,8 +39,6 @@ #include "dss.h" -#define VENC_BASE 0x48050C00 - /* Venc registers */ #define VENC_REV_ID 0x00 #define VENC_STATUS 0x04 @@ -289,6 +287,7 @@ const struct omap_video_timings omap_dss_ntsc_timings = { EXPORT_SYMBOL(omap_dss_ntsc_timings); static struct { + struct platform_device *pdev; void __iomem *base; struct mutex venc_lock; u32 wss_data; @@ -381,11 +380,11 @@ static void venc_reset(void) static void venc_enable_clocks(int enable) { if (enable) - dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK1 | DSS_CLK_54M | - DSS_CLK_96M); + dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK | DSS_CLK_TVFCK | + DSS_CLK_VIDFCK); else - dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK1 | DSS_CLK_54M | - DSS_CLK_96M); + dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK | DSS_CLK_TVFCK | + DSS_CLK_VIDFCK); } static const struct venc_config *venc_timings_to_config( @@ -641,50 +640,23 @@ static struct omap_dss_driver venc_driver = { }; /* driver end */ - - -int venc_init(struct platform_device *pdev) +int venc_init_display(struct omap_dss_device *dssdev) { - u8 rev_id; + DSSDBG("init_display\n"); - mutex_init(&venc.venc_lock); + if (venc.vdda_dac_reg == NULL) { + struct regulator *vdda_dac; - venc.wss_data = 0; + vdda_dac = regulator_get(&venc.pdev->dev, "vdda_dac"); - venc.base = ioremap(VENC_BASE, SZ_1K); - if (!venc.base) { - DSSERR("can't ioremap VENC\n"); - return -ENOMEM; - } + if (IS_ERR(vdda_dac)) { + DSSERR("can't get VDDA_DAC regulator\n"); + return PTR_ERR(vdda_dac); + } - venc.vdda_dac_reg = dss_get_vdda_dac(); - if (IS_ERR(venc.vdda_dac_reg)) { - iounmap(venc.base); - DSSERR("can't get VDDA_DAC regulator\n"); - return PTR_ERR(venc.vdda_dac_reg); + venc.vdda_dac_reg = vdda_dac; } - venc_enable_clocks(1); - - rev_id = (u8)(venc_read_reg(VENC_REV_ID) & 0xff); - printk(KERN_INFO "OMAP VENC rev %d\n", rev_id); - - venc_enable_clocks(0); - - return omap_dss_register_driver(&venc_driver); -} - -void venc_exit(void) -{ - omap_dss_unregister_driver(&venc_driver); - - iounmap(venc.base); -} - -int venc_init_display(struct omap_dss_device *dssdev) -{ - DSSDBG("init_display\n"); - return 0; } @@ -740,3 +712,73 @@ void venc_dump_regs(struct seq_file *s) #undef DUMPREG } + +/* VENC HW IP initialisation */ +static int omap_venchw_probe(struct platform_device *pdev) +{ + u8 rev_id; + struct resource *venc_mem; + + venc.pdev = pdev; + + mutex_init(&venc.venc_lock); + + venc.wss_data = 0; + + venc_mem = platform_get_resource(venc.pdev, IORESOURCE_MEM, 0); + if (!venc_mem) { + DSSERR("can't get IORESOURCE_MEM VENC\n"); + return -EINVAL; + } + venc.base = ioremap(venc_mem->start, resource_size(venc_mem)); + if (!venc.base) { + DSSERR("can't ioremap VENC\n"); + return -ENOMEM; + } + + venc_enable_clocks(1); + + rev_id = (u8)(venc_read_reg(VENC_REV_ID) & 0xff); + dev_dbg(&pdev->dev, "OMAP VENC rev %d\n", rev_id); + + venc_enable_clocks(0); + + return omap_dss_register_driver(&venc_driver); +} + +static int omap_venchw_remove(struct platform_device *pdev) +{ + if (venc.vdda_dac_reg != NULL) { + regulator_put(venc.vdda_dac_reg); + venc.vdda_dac_reg = NULL; + } + omap_dss_unregister_driver(&venc_driver); + + iounmap(venc.base); + return 0; +} + +static struct platform_driver omap_venchw_driver = { + .probe = omap_venchw_probe, + .remove = omap_venchw_remove, + .driver = { + .name = "omapdss_venc", + .owner = THIS_MODULE, + }, +}; + +int venc_init_platform_driver(void) +{ + if (cpu_is_omap44xx()) + return 0; + + return platform_driver_register(&omap_venchw_driver); +} + +void venc_uninit_platform_driver(void) +{ + if (cpu_is_omap44xx()) + return; + + return platform_driver_unregister(&omap_venchw_driver); +} diff --git a/drivers/video/omap2/omapfb/Kconfig b/drivers/video/omap2/omapfb/Kconfig index 65149b2..aa33386 100644 --- a/drivers/video/omap2/omapfb/Kconfig +++ b/drivers/video/omap2/omapfb/Kconfig @@ -1,5 +1,5 @@ menuconfig FB_OMAP2 - tristate "OMAP2/3 frame buffer support (EXPERIMENTAL)" + tristate "OMAP2+ frame buffer support (EXPERIMENTAL)" depends on FB && OMAP2_DSS select OMAP2_VRAM @@ -8,10 +8,10 @@ menuconfig FB_OMAP2 select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT help - Frame buffer driver for OMAP2/3 based boards. + Frame buffer driver for OMAP2+ based boards. config FB_OMAP2_DEBUG_SUPPORT - bool "Debug support for OMAP2/3 FB" + bool "Debug support for OMAP2+ FB" default y depends on FB_OMAP2 help diff --git a/drivers/video/omap2/omapfb/omapfb-main.c b/drivers/video/omap2/omapfb/omapfb-main.c index 4fdab8e..505ec667 100644 --- a/drivers/video/omap2/omapfb/omapfb-main.c +++ b/drivers/video/omap2/omapfb/omapfb-main.c @@ -2090,7 +2090,7 @@ static int omapfb_set_def_mode(struct omapfb2_device *fbdev, { int r; u8 bpp; - struct omap_video_timings timings; + struct omap_video_timings timings, temp_timings; r = omapfb_mode_to_timings(mode_str, &timings, &bpp); if (r) @@ -2100,14 +2100,23 @@ static int omapfb_set_def_mode(struct omapfb2_device *fbdev, fbdev->bpp_overrides[fbdev->num_bpp_overrides].bpp = bpp; ++fbdev->num_bpp_overrides; - if (!display->driver->check_timings || !display->driver->set_timings) - return -EINVAL; + if (display->driver->check_timings) { + r = display->driver->check_timings(display, &timings); + if (r) + return r; + } else { + /* If check_timings is not present compare xres and yres */ + if (display->driver->get_timings) { + display->driver->get_timings(display, &temp_timings); - r = display->driver->check_timings(display, &timings); - if (r) - return r; + if (temp_timings.x_res != timings.x_res || + temp_timings.y_res != timings.y_res) + return -EINVAL; + } + } - display->driver->set_timings(display, &timings); + if (display->driver->set_timings) + display->driver->set_timings(display, &timings); return 0; } diff --git a/drivers/video/s3c-fb.c b/drivers/video/s3c-fb.c index 83ce9a04..6817d18 100644 --- a/drivers/video/s3c-fb.c +++ b/drivers/video/s3c-fb.c @@ -1340,6 +1340,7 @@ static int __devinit s3c_fb_probe(struct platform_device *pdev) sfb->bus_clk = clk_get(dev, "lcd"); if (IS_ERR(sfb->bus_clk)) { dev_err(dev, "failed to get bus clock\n"); + ret = PTR_ERR(sfb->bus_clk); goto err_sfb; } diff --git a/drivers/video/s3fb.c b/drivers/video/s3fb.c index 75738a9..ddedad9 100644 --- a/drivers/video/s3fb.c +++ b/drivers/video/s3fb.c @@ -64,6 +64,8 @@ static const struct svga_fb_format s3fb_formats[] = { static const struct svga_pll s3_pll = {3, 129, 3, 33, 0, 3, 35000, 240000, 14318}; +static const struct svga_pll s3_trio3d_pll = {3, 129, 3, 31, 0, 4, + 230000, 460000, 14318}; static const int s3_memsizes[] = {4096, 0, 3072, 8192, 2048, 6144, 1024, 512}; @@ -72,7 +74,8 @@ static const char * const s3_names[] = {"S3 Unknown", "S3 Trio32", "S3 Trio64", "S3 Plato/PX", "S3 Aurora64VP", "S3 Virge", "S3 Virge/VX", "S3 Virge/DX", "S3 Virge/GX", "S3 Virge/GX2", "S3 Virge/GX2P", "S3 Virge/GX2P", - "S3 Trio3D/1X", "S3 Trio3D/2X", "S3 Trio3D/2X"}; + "S3 Trio3D/1X", "S3 Trio3D/2X", "S3 Trio3D/2X", + "S3 Trio3D"}; #define CHIP_UNKNOWN 0x00 #define CHIP_732_TRIO32 0x01 @@ -93,6 +96,7 @@ static const char * const s3_names[] = {"S3 Unknown", "S3 Trio32", "S3 Trio64", #define CHIP_360_TRIO3D_1X 0x10 #define CHIP_362_TRIO3D_2X 0x11 #define CHIP_368_TRIO3D_2X 0x12 +#define CHIP_365_TRIO3D 0x13 #define CHIP_XXX_TRIO 0x80 #define CHIP_XXX_TRIO64V2_DXGX 0x81 @@ -119,9 +123,11 @@ static const struct vga_regset s3_v_sync_start_regs[] = {{0x10, 0, 7}, {0x07, static const struct vga_regset s3_v_sync_end_regs[] = {{0x11, 0, 3}, VGA_REGSET_END}; static const struct vga_regset s3_line_compare_regs[] = {{0x18, 0, 7}, {0x07, 4, 4}, {0x09, 6, 6}, {0x5E, 6, 6}, VGA_REGSET_END}; -static const struct vga_regset s3_start_address_regs[] = {{0x0d, 0, 7}, {0x0c, 0, 7}, {0x31, 4, 5}, {0x51, 0, 1}, VGA_REGSET_END}; +static const struct vga_regset s3_start_address_regs[] = {{0x0d, 0, 7}, {0x0c, 0, 7}, {0x69, 0, 4}, VGA_REGSET_END}; static const struct vga_regset s3_offset_regs[] = {{0x13, 0, 7}, {0x51, 4, 5}, VGA_REGSET_END}; /* set 0x43 bit 2 to 0 */ +static const struct vga_regset s3_dtpc_regs[] = {{0x3B, 0, 7}, {0x5D, 6, 6}, VGA_REGSET_END}; + static const struct svga_timing_regs s3_timing_regs = { s3_h_total_regs, s3_h_display_regs, s3_h_blank_start_regs, s3_h_blank_end_regs, s3_h_sync_start_regs, s3_h_sync_end_regs, @@ -188,12 +194,19 @@ static void s3fb_settile_fast(struct fb_info *info, struct fb_tilemap *map) } } +static void s3fb_tilecursor(struct fb_info *info, struct fb_tilecursor *cursor) +{ + struct s3fb_info *par = info->par; + + svga_tilecursor(par->state.vgabase, info, cursor); +} + static struct fb_tile_ops s3fb_tile_ops = { .fb_settile = svga_settile, .fb_tilecopy = svga_tilecopy, .fb_tilefill = svga_tilefill, .fb_tileblit = svga_tileblit, - .fb_tilecursor = svga_tilecursor, + .fb_tilecursor = s3fb_tilecursor, .fb_get_tilemax = svga_get_tilemax, }; @@ -202,7 +215,7 @@ static struct fb_tile_ops s3fb_fast_tile_ops = { .fb_tilecopy = svga_tilecopy, .fb_tilefill = svga_tilefill, .fb_tileblit = svga_tileblit, - .fb_tilecursor = svga_tilecursor, + .fb_tilecursor = s3fb_tilecursor, .fb_get_tilemax = svga_get_tilemax, }; @@ -334,33 +347,34 @@ static void s3_set_pixclock(struct fb_info *info, u32 pixclock) u8 regval; int rv; - rv = svga_compute_pll(&s3_pll, 1000000000 / pixclock, &m, &n, &r, info->node); + rv = svga_compute_pll((par->chip == CHIP_365_TRIO3D) ? &s3_trio3d_pll : &s3_pll, + 1000000000 / pixclock, &m, &n, &r, info->node); if (rv < 0) { printk(KERN_ERR "fb%d: cannot set requested pixclock, keeping old value\n", info->node); return; } /* Set VGA misc register */ - regval = vga_r(NULL, VGA_MIS_R); - vga_w(NULL, VGA_MIS_W, regval | VGA_MIS_ENB_PLL_LOAD); + regval = vga_r(par->state.vgabase, VGA_MIS_R); + vga_w(par->state.vgabase, VGA_MIS_W, regval | VGA_MIS_ENB_PLL_LOAD); /* Set S3 clock registers */ if (par->chip == CHIP_360_TRIO3D_1X || par->chip == CHIP_362_TRIO3D_2X || par->chip == CHIP_368_TRIO3D_2X) { - vga_wseq(NULL, 0x12, (n - 2) | ((r & 3) << 6)); /* n and two bits of r */ - vga_wseq(NULL, 0x29, r >> 2); /* remaining highest bit of r */ + vga_wseq(par->state.vgabase, 0x12, (n - 2) | ((r & 3) << 6)); /* n and two bits of r */ + vga_wseq(par->state.vgabase, 0x29, r >> 2); /* remaining highest bit of r */ } else - vga_wseq(NULL, 0x12, (n - 2) | (r << 5)); - vga_wseq(NULL, 0x13, m - 2); + vga_wseq(par->state.vgabase, 0x12, (n - 2) | (r << 5)); + vga_wseq(par->state.vgabase, 0x13, m - 2); udelay(1000); /* Activate clock - write 0, 1, 0 to seq/15 bit 5 */ - regval = vga_rseq (NULL, 0x15); /* | 0x80; */ - vga_wseq(NULL, 0x15, regval & ~(1<<5)); - vga_wseq(NULL, 0x15, regval | (1<<5)); - vga_wseq(NULL, 0x15, regval & ~(1<<5)); + regval = vga_rseq (par->state.vgabase, 0x15); /* | 0x80; */ + vga_wseq(par->state.vgabase, 0x15, regval & ~(1<<5)); + vga_wseq(par->state.vgabase, 0x15, regval | (1<<5)); + vga_wseq(par->state.vgabase, 0x15, regval & ~(1<<5)); } @@ -372,7 +386,10 @@ static int s3fb_open(struct fb_info *info, int user) mutex_lock(&(par->open_lock)); if (par->ref_count == 0) { + void __iomem *vgabase = par->state.vgabase; + memset(&(par->state), 0, sizeof(struct vgastate)); + par->state.vgabase = vgabase; par->state.flags = VGA_SAVE_MODE | VGA_SAVE_FONTS | VGA_SAVE_CMAP; par->state.num_crtc = 0x70; par->state.num_seq = 0x20; @@ -470,6 +487,7 @@ static int s3fb_set_par(struct fb_info *info) struct s3fb_info *par = info->par; u32 value, mode, hmul, offset_value, screen_size, multiplex, dbytes; u32 bpp = info->var.bits_per_pixel; + u32 htotal, hsstart; if (bpp != 0) { info->fix.ypanstep = 1; @@ -504,99 +522,112 @@ static int s3fb_set_par(struct fb_info *info) info->var.activate = FB_ACTIVATE_NOW; /* Unlock registers */ - vga_wcrt(NULL, 0x38, 0x48); - vga_wcrt(NULL, 0x39, 0xA5); - vga_wseq(NULL, 0x08, 0x06); - svga_wcrt_mask(0x11, 0x00, 0x80); + vga_wcrt(par->state.vgabase, 0x38, 0x48); + vga_wcrt(par->state.vgabase, 0x39, 0xA5); + vga_wseq(par->state.vgabase, 0x08, 0x06); + svga_wcrt_mask(par->state.vgabase, 0x11, 0x00, 0x80); /* Blank screen and turn off sync */ - svga_wseq_mask(0x01, 0x20, 0x20); - svga_wcrt_mask(0x17, 0x00, 0x80); + svga_wseq_mask(par->state.vgabase, 0x01, 0x20, 0x20); + svga_wcrt_mask(par->state.vgabase, 0x17, 0x00, 0x80); /* Set default values */ - svga_set_default_gfx_regs(); - svga_set_default_atc_regs(); - svga_set_default_seq_regs(); - svga_set_default_crt_regs(); - svga_wcrt_multi(s3_line_compare_regs, 0xFFFFFFFF); - svga_wcrt_multi(s3_start_address_regs, 0); + svga_set_default_gfx_regs(par->state.vgabase); + svga_set_default_atc_regs(par->state.vgabase); + svga_set_default_seq_regs(par->state.vgabase); + svga_set_default_crt_regs(par->state.vgabase); + svga_wcrt_multi(par->state.vgabase, s3_line_compare_regs, 0xFFFFFFFF); + svga_wcrt_multi(par->state.vgabase, s3_start_address_regs, 0); /* S3 specific initialization */ - svga_wcrt_mask(0x58, 0x10, 0x10); /* enable linear framebuffer */ - svga_wcrt_mask(0x31, 0x08, 0x08); /* enable sequencer access to framebuffer above 256 kB */ + svga_wcrt_mask(par->state.vgabase, 0x58, 0x10, 0x10); /* enable linear framebuffer */ + svga_wcrt_mask(par->state.vgabase, 0x31, 0x08, 0x08); /* enable sequencer access to framebuffer above 256 kB */ -/* svga_wcrt_mask(0x33, 0x08, 0x08); */ /* DDR ? */ -/* svga_wcrt_mask(0x43, 0x01, 0x01); */ /* DDR ? */ - svga_wcrt_mask(0x33, 0x00, 0x08); /* no DDR ? */ - svga_wcrt_mask(0x43, 0x00, 0x01); /* no DDR ? */ +/* svga_wcrt_mask(par->state.vgabase, 0x33, 0x08, 0x08); */ /* DDR ? */ +/* svga_wcrt_mask(par->state.vgabase, 0x43, 0x01, 0x01); */ /* DDR ? */ + svga_wcrt_mask(par->state.vgabase, 0x33, 0x00, 0x08); /* no DDR ? */ + svga_wcrt_mask(par->state.vgabase, 0x43, 0x00, 0x01); /* no DDR ? */ - svga_wcrt_mask(0x5D, 0x00, 0x28); /* Clear strange HSlen bits */ + svga_wcrt_mask(par->state.vgabase, 0x5D, 0x00, 0x28); /* Clear strange HSlen bits */ -/* svga_wcrt_mask(0x58, 0x03, 0x03); */ +/* svga_wcrt_mask(par->state.vgabase, 0x58, 0x03, 0x03); */ -/* svga_wcrt_mask(0x53, 0x12, 0x13); */ /* enable MMIO */ -/* svga_wcrt_mask(0x40, 0x08, 0x08); */ /* enable write buffer */ +/* svga_wcrt_mask(par->state.vgabase, 0x53, 0x12, 0x13); */ /* enable MMIO */ +/* svga_wcrt_mask(par->state.vgabase, 0x40, 0x08, 0x08); */ /* enable write buffer */ /* Set the offset register */ pr_debug("fb%d: offset register : %d\n", info->node, offset_value); - svga_wcrt_multi(s3_offset_regs, offset_value); + svga_wcrt_multi(par->state.vgabase, s3_offset_regs, offset_value); if (par->chip != CHIP_360_TRIO3D_1X && par->chip != CHIP_362_TRIO3D_2X && par->chip != CHIP_368_TRIO3D_2X) { - vga_wcrt(NULL, 0x54, 0x18); /* M parameter */ - vga_wcrt(NULL, 0x60, 0xff); /* N parameter */ - vga_wcrt(NULL, 0x61, 0xff); /* L parameter */ - vga_wcrt(NULL, 0x62, 0xff); /* L parameter */ + vga_wcrt(par->state.vgabase, 0x54, 0x18); /* M parameter */ + vga_wcrt(par->state.vgabase, 0x60, 0xff); /* N parameter */ + vga_wcrt(par->state.vgabase, 0x61, 0xff); /* L parameter */ + vga_wcrt(par->state.vgabase, 0x62, 0xff); /* L parameter */ } - vga_wcrt(NULL, 0x3A, 0x35); - svga_wattr(0x33, 0x00); + vga_wcrt(par->state.vgabase, 0x3A, 0x35); + svga_wattr(par->state.vgabase, 0x33, 0x00); if (info->var.vmode & FB_VMODE_DOUBLE) - svga_wcrt_mask(0x09, 0x80, 0x80); + svga_wcrt_mask(par->state.vgabase, 0x09, 0x80, 0x80); else - svga_wcrt_mask(0x09, 0x00, 0x80); + svga_wcrt_mask(par->state.vgabase, 0x09, 0x00, 0x80); if (info->var.vmode & FB_VMODE_INTERLACED) - svga_wcrt_mask(0x42, 0x20, 0x20); + svga_wcrt_mask(par->state.vgabase, 0x42, 0x20, 0x20); else - svga_wcrt_mask(0x42, 0x00, 0x20); + svga_wcrt_mask(par->state.vgabase, 0x42, 0x00, 0x20); /* Disable hardware graphics cursor */ - svga_wcrt_mask(0x45, 0x00, 0x01); + svga_wcrt_mask(par->state.vgabase, 0x45, 0x00, 0x01); /* Disable Streams engine */ - svga_wcrt_mask(0x67, 0x00, 0x0C); + svga_wcrt_mask(par->state.vgabase, 0x67, 0x00, 0x0C); mode = svga_match_format(s3fb_formats, &(info->var), &(info->fix)); /* S3 virge DX hack */ if (par->chip == CHIP_375_VIRGE_DX) { - vga_wcrt(NULL, 0x86, 0x80); - vga_wcrt(NULL, 0x90, 0x00); + vga_wcrt(par->state.vgabase, 0x86, 0x80); + vga_wcrt(par->state.vgabase, 0x90, 0x00); } /* S3 virge VX hack */ if (par->chip == CHIP_988_VIRGE_VX) { - vga_wcrt(NULL, 0x50, 0x00); - vga_wcrt(NULL, 0x67, 0x50); + vga_wcrt(par->state.vgabase, 0x50, 0x00); + vga_wcrt(par->state.vgabase, 0x67, 0x50); - vga_wcrt(NULL, 0x63, (mode <= 2) ? 0x90 : 0x09); - vga_wcrt(NULL, 0x66, 0x90); + vga_wcrt(par->state.vgabase, 0x63, (mode <= 2) ? 0x90 : 0x09); + vga_wcrt(par->state.vgabase, 0x66, 0x90); } if (par->chip == CHIP_360_TRIO3D_1X || par->chip == CHIP_362_TRIO3D_2X || - par->chip == CHIP_368_TRIO3D_2X) { + par->chip == CHIP_368_TRIO3D_2X || + par->chip == CHIP_365_TRIO3D || + par->chip == CHIP_375_VIRGE_DX || + par->chip == CHIP_385_VIRGE_GX) { dbytes = info->var.xres * ((bpp+7)/8); - vga_wcrt(NULL, 0x91, (dbytes + 7) / 8); - vga_wcrt(NULL, 0x90, (((dbytes + 7) / 8) >> 8) | 0x80); + vga_wcrt(par->state.vgabase, 0x91, (dbytes + 7) / 8); + vga_wcrt(par->state.vgabase, 0x90, (((dbytes + 7) / 8) >> 8) | 0x80); - vga_wcrt(NULL, 0x66, 0x81); + vga_wcrt(par->state.vgabase, 0x66, 0x81); } - svga_wcrt_mask(0x31, 0x00, 0x40); + if (par->chip == CHIP_356_VIRGE_GX2 || + par->chip == CHIP_357_VIRGE_GX2P || + par->chip == CHIP_359_VIRGE_GX2P || + par->chip == CHIP_360_TRIO3D_1X || + par->chip == CHIP_362_TRIO3D_2X || + par->chip == CHIP_368_TRIO3D_2X) + vga_wcrt(par->state.vgabase, 0x34, 0x00); + else /* enable Data Transfer Position Control (DTPC) */ + vga_wcrt(par->state.vgabase, 0x34, 0x10); + + svga_wcrt_mask(par->state.vgabase, 0x31, 0x00, 0x40); multiplex = 0; hmul = 1; @@ -604,51 +635,51 @@ static int s3fb_set_par(struct fb_info *info) switch (mode) { case 0: pr_debug("fb%d: text mode\n", info->node); - svga_set_textmode_vga_regs(); + svga_set_textmode_vga_regs(par->state.vgabase); /* Set additional registers like in 8-bit mode */ - svga_wcrt_mask(0x50, 0x00, 0x30); - svga_wcrt_mask(0x67, 0x00, 0xF0); + svga_wcrt_mask(par->state.vgabase, 0x50, 0x00, 0x30); + svga_wcrt_mask(par->state.vgabase, 0x67, 0x00, 0xF0); /* Disable enhanced mode */ - svga_wcrt_mask(0x3A, 0x00, 0x30); + svga_wcrt_mask(par->state.vgabase, 0x3A, 0x00, 0x30); if (fasttext) { pr_debug("fb%d: high speed text mode set\n", info->node); - svga_wcrt_mask(0x31, 0x40, 0x40); + svga_wcrt_mask(par->state.vgabase, 0x31, 0x40, 0x40); } break; case 1: pr_debug("fb%d: 4 bit pseudocolor\n", info->node); - vga_wgfx(NULL, VGA_GFX_MODE, 0x40); + vga_wgfx(par->state.vgabase, VGA_GFX_MODE, 0x40); /* Set additional registers like in 8-bit mode */ - svga_wcrt_mask(0x50, 0x00, 0x30); - svga_wcrt_mask(0x67, 0x00, 0xF0); + svga_wcrt_mask(par->state.vgabase, 0x50, 0x00, 0x30); + svga_wcrt_mask(par->state.vgabase, 0x67, 0x00, 0xF0); /* disable enhanced mode */ - svga_wcrt_mask(0x3A, 0x00, 0x30); + svga_wcrt_mask(par->state.vgabase, 0x3A, 0x00, 0x30); break; case 2: pr_debug("fb%d: 4 bit pseudocolor, planar\n", info->node); /* Set additional registers like in 8-bit mode */ - svga_wcrt_mask(0x50, 0x00, 0x30); - svga_wcrt_mask(0x67, 0x00, 0xF0); + svga_wcrt_mask(par->state.vgabase, 0x50, 0x00, 0x30); + svga_wcrt_mask(par->state.vgabase, 0x67, 0x00, 0xF0); /* disable enhanced mode */ - svga_wcrt_mask(0x3A, 0x00, 0x30); + svga_wcrt_mask(par->state.vgabase, 0x3A, 0x00, 0x30); break; case 3: pr_debug("fb%d: 8 bit pseudocolor\n", info->node); - svga_wcrt_mask(0x50, 0x00, 0x30); + svga_wcrt_mask(par->state.vgabase, 0x50, 0x00, 0x30); if (info->var.pixclock > 20000 || par->chip == CHIP_360_TRIO3D_1X || par->chip == CHIP_362_TRIO3D_2X || par->chip == CHIP_368_TRIO3D_2X) - svga_wcrt_mask(0x67, 0x00, 0xF0); + svga_wcrt_mask(par->state.vgabase, 0x67, 0x00, 0xF0); else { - svga_wcrt_mask(0x67, 0x10, 0xF0); + svga_wcrt_mask(par->state.vgabase, 0x67, 0x10, 0xF0); multiplex = 1; } break; @@ -656,12 +687,21 @@ static int s3fb_set_par(struct fb_info *info) pr_debug("fb%d: 5/5/5 truecolor\n", info->node); if (par->chip == CHIP_988_VIRGE_VX) { if (info->var.pixclock > 20000) - svga_wcrt_mask(0x67, 0x20, 0xF0); + svga_wcrt_mask(par->state.vgabase, 0x67, 0x20, 0xF0); else - svga_wcrt_mask(0x67, 0x30, 0xF0); + svga_wcrt_mask(par->state.vgabase, 0x67, 0x30, 0xF0); + } else if (par->chip == CHIP_365_TRIO3D) { + svga_wcrt_mask(par->state.vgabase, 0x50, 0x10, 0x30); + if (info->var.pixclock > 8695) { + svga_wcrt_mask(par->state.vgabase, 0x67, 0x30, 0xF0); + hmul = 2; + } else { + svga_wcrt_mask(par->state.vgabase, 0x67, 0x20, 0xF0); + multiplex = 1; + } } else { - svga_wcrt_mask(0x50, 0x10, 0x30); - svga_wcrt_mask(0x67, 0x30, 0xF0); + svga_wcrt_mask(par->state.vgabase, 0x50, 0x10, 0x30); + svga_wcrt_mask(par->state.vgabase, 0x67, 0x30, 0xF0); if (par->chip != CHIP_360_TRIO3D_1X && par->chip != CHIP_362_TRIO3D_2X && par->chip != CHIP_368_TRIO3D_2X) @@ -672,12 +712,21 @@ static int s3fb_set_par(struct fb_info *info) pr_debug("fb%d: 5/6/5 truecolor\n", info->node); if (par->chip == CHIP_988_VIRGE_VX) { if (info->var.pixclock > 20000) - svga_wcrt_mask(0x67, 0x40, 0xF0); + svga_wcrt_mask(par->state.vgabase, 0x67, 0x40, 0xF0); else - svga_wcrt_mask(0x67, 0x50, 0xF0); + svga_wcrt_mask(par->state.vgabase, 0x67, 0x50, 0xF0); + } else if (par->chip == CHIP_365_TRIO3D) { + svga_wcrt_mask(par->state.vgabase, 0x50, 0x10, 0x30); + if (info->var.pixclock > 8695) { + svga_wcrt_mask(par->state.vgabase, 0x67, 0x50, 0xF0); + hmul = 2; + } else { + svga_wcrt_mask(par->state.vgabase, 0x67, 0x40, 0xF0); + multiplex = 1; + } } else { - svga_wcrt_mask(0x50, 0x10, 0x30); - svga_wcrt_mask(0x67, 0x50, 0xF0); + svga_wcrt_mask(par->state.vgabase, 0x50, 0x10, 0x30); + svga_wcrt_mask(par->state.vgabase, 0x67, 0x50, 0xF0); if (par->chip != CHIP_360_TRIO3D_1X && par->chip != CHIP_362_TRIO3D_2X && par->chip != CHIP_368_TRIO3D_2X) @@ -687,12 +736,12 @@ static int s3fb_set_par(struct fb_info *info) case 6: /* VIRGE VX case */ pr_debug("fb%d: 8/8/8 truecolor\n", info->node); - svga_wcrt_mask(0x67, 0xD0, 0xF0); + svga_wcrt_mask(par->state.vgabase, 0x67, 0xD0, 0xF0); break; case 7: pr_debug("fb%d: 8/8/8/8 truecolor\n", info->node); - svga_wcrt_mask(0x50, 0x30, 0x30); - svga_wcrt_mask(0x67, 0xD0, 0xF0); + svga_wcrt_mask(par->state.vgabase, 0x50, 0x30, 0x30); + svga_wcrt_mask(par->state.vgabase, 0x67, 0xD0, 0xF0); break; default: printk(KERN_ERR "fb%d: unsupported mode - bug\n", info->node); @@ -700,25 +749,30 @@ static int s3fb_set_par(struct fb_info *info) } if (par->chip != CHIP_988_VIRGE_VX) { - svga_wseq_mask(0x15, multiplex ? 0x10 : 0x00, 0x10); - svga_wseq_mask(0x18, multiplex ? 0x80 : 0x00, 0x80); + svga_wseq_mask(par->state.vgabase, 0x15, multiplex ? 0x10 : 0x00, 0x10); + svga_wseq_mask(par->state.vgabase, 0x18, multiplex ? 0x80 : 0x00, 0x80); } s3_set_pixclock(info, info->var.pixclock); - svga_set_timings(&s3_timing_regs, &(info->var), hmul, 1, + svga_set_timings(par->state.vgabase, &s3_timing_regs, &(info->var), hmul, 1, (info->var.vmode & FB_VMODE_DOUBLE) ? 2 : 1, (info->var.vmode & FB_VMODE_INTERLACED) ? 2 : 1, hmul, info->node); /* Set interlaced mode start/end register */ - value = info->var.xres + info->var.left_margin + info->var.right_margin + info->var.hsync_len; - value = ((value * hmul) / 8) - 5; - vga_wcrt(NULL, 0x3C, (value + 1) / 2); + htotal = info->var.xres + info->var.left_margin + info->var.right_margin + info->var.hsync_len; + htotal = ((htotal * hmul) / 8) - 5; + vga_wcrt(par->state.vgabase, 0x3C, (htotal + 1) / 2); + + /* Set Data Transfer Position */ + hsstart = ((info->var.xres + info->var.right_margin) * hmul) / 8; + value = clamp((htotal + hsstart + 1) / 2, hsstart + 4, htotal + 1); + svga_wcrt_multi(par->state.vgabase, s3_dtpc_regs, value); memset_io(info->screen_base, 0x00, screen_size); /* Device and screen back on */ - svga_wcrt_mask(0x17, 0x80, 0x80); - svga_wseq_mask(0x01, 0x00, 0x20); + svga_wcrt_mask(par->state.vgabase, 0x17, 0x80, 0x80); + svga_wseq_mask(par->state.vgabase, 0x01, 0x00, 0x20); return 0; } @@ -788,31 +842,33 @@ static int s3fb_setcolreg(u_int regno, u_int red, u_int green, u_int blue, static int s3fb_blank(int blank_mode, struct fb_info *info) { + struct s3fb_info *par = info->par; + switch (blank_mode) { case FB_BLANK_UNBLANK: pr_debug("fb%d: unblank\n", info->node); - svga_wcrt_mask(0x56, 0x00, 0x06); - svga_wseq_mask(0x01, 0x00, 0x20); + svga_wcrt_mask(par->state.vgabase, 0x56, 0x00, 0x06); + svga_wseq_mask(par->state.vgabase, 0x01, 0x00, 0x20); break; case FB_BLANK_NORMAL: pr_debug("fb%d: blank\n", info->node); - svga_wcrt_mask(0x56, 0x00, 0x06); - svga_wseq_mask(0x01, 0x20, 0x20); + svga_wcrt_mask(par->state.vgabase, 0x56, 0x00, 0x06); + svga_wseq_mask(par->state.vgabase, 0x01, 0x20, 0x20); break; case FB_BLANK_HSYNC_SUSPEND: pr_debug("fb%d: hsync\n", info->node); - svga_wcrt_mask(0x56, 0x02, 0x06); - svga_wseq_mask(0x01, 0x20, 0x20); + svga_wcrt_mask(par->state.vgabase, 0x56, 0x02, 0x06); + svga_wseq_mask(par->state.vgabase, 0x01, 0x20, 0x20); break; case FB_BLANK_VSYNC_SUSPEND: pr_debug("fb%d: vsync\n", info->node); - svga_wcrt_mask(0x56, 0x04, 0x06); - svga_wseq_mask(0x01, 0x20, 0x20); + svga_wcrt_mask(par->state.vgabase, 0x56, 0x04, 0x06); + svga_wseq_mask(par->state.vgabase, 0x01, 0x20, 0x20); break; case FB_BLANK_POWERDOWN: pr_debug("fb%d: sync down\n", info->node); - svga_wcrt_mask(0x56, 0x06, 0x06); - svga_wseq_mask(0x01, 0x20, 0x20); + svga_wcrt_mask(par->state.vgabase, 0x56, 0x06, 0x06); + svga_wseq_mask(par->state.vgabase, 0x01, 0x20, 0x20); break; } @@ -822,8 +878,9 @@ static int s3fb_blank(int blank_mode, struct fb_info *info) /* Pan the display */ -static int s3fb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info) { - +static int s3fb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info) +{ + struct s3fb_info *par = info->par; unsigned int offset; /* Calculate the offset */ @@ -837,7 +894,7 @@ static int s3fb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info) } /* Set the offset */ - svga_wcrt_multi(s3_start_address_regs, offset); + svga_wcrt_multi(par->state.vgabase, s3_start_address_regs, offset); return 0; } @@ -863,12 +920,14 @@ static struct fb_ops s3fb_ops = { /* ------------------------------------------------------------------------- */ -static int __devinit s3_identification(int chip) +static int __devinit s3_identification(struct s3fb_info *par) { + int chip = par->chip; + if (chip == CHIP_XXX_TRIO) { - u8 cr30 = vga_rcrt(NULL, 0x30); - u8 cr2e = vga_rcrt(NULL, 0x2e); - u8 cr2f = vga_rcrt(NULL, 0x2f); + u8 cr30 = vga_rcrt(par->state.vgabase, 0x30); + u8 cr2e = vga_rcrt(par->state.vgabase, 0x2e); + u8 cr2f = vga_rcrt(par->state.vgabase, 0x2f); if ((cr30 == 0xE0) || (cr30 == 0xE1)) { if (cr2e == 0x10) @@ -883,7 +942,7 @@ static int __devinit s3_identification(int chip) } if (chip == CHIP_XXX_TRIO64V2_DXGX) { - u8 cr6f = vga_rcrt(NULL, 0x6f); + u8 cr6f = vga_rcrt(par->state.vgabase, 0x6f); if (! (cr6f & 0x01)) return CHIP_775_TRIO64V2_DX; @@ -892,7 +951,7 @@ static int __devinit s3_identification(int chip) } if (chip == CHIP_XXX_VIRGE_DXGX) { - u8 cr6f = vga_rcrt(NULL, 0x6f); + u8 cr6f = vga_rcrt(par->state.vgabase, 0x6f); if (! (cr6f & 0x01)) return CHIP_375_VIRGE_DX; @@ -901,7 +960,7 @@ static int __devinit s3_identification(int chip) } if (chip == CHIP_36X_TRIO3D_1X_2X) { - switch (vga_rcrt(NULL, 0x2f)) { + switch (vga_rcrt(par->state.vgabase, 0x2f)) { case 0x00: return CHIP_360_TRIO3D_1X; case 0x01: @@ -919,6 +978,8 @@ static int __devinit s3_identification(int chip) static int __devinit s3_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) { + struct pci_bus_region bus_reg; + struct resource vga_res; struct fb_info *info; struct s3fb_info *par; int rc; @@ -968,31 +1029,42 @@ static int __devinit s3_pci_probe(struct pci_dev *dev, const struct pci_device_i goto err_iomap; } + bus_reg.start = 0; + bus_reg.end = 64 * 1024; + + vga_res.flags = IORESOURCE_IO; + + pcibios_bus_to_resource(dev, &vga_res, &bus_reg); + + par->state.vgabase = (void __iomem *) vga_res.start; + /* Unlock regs */ - cr38 = vga_rcrt(NULL, 0x38); - cr39 = vga_rcrt(NULL, 0x39); - vga_wseq(NULL, 0x08, 0x06); - vga_wcrt(NULL, 0x38, 0x48); - vga_wcrt(NULL, 0x39, 0xA5); + cr38 = vga_rcrt(par->state.vgabase, 0x38); + cr39 = vga_rcrt(par->state.vgabase, 0x39); + vga_wseq(par->state.vgabase, 0x08, 0x06); + vga_wcrt(par->state.vgabase, 0x38, 0x48); + vga_wcrt(par->state.vgabase, 0x39, 0xA5); /* Identify chip type */ par->chip = id->driver_data & CHIP_MASK; - par->rev = vga_rcrt(NULL, 0x2f); + par->rev = vga_rcrt(par->state.vgabase, 0x2f); if (par->chip & CHIP_UNDECIDED_FLAG) - par->chip = s3_identification(par->chip); + par->chip = s3_identification(par); /* Find how many physical memory there is on card */ /* 0x36 register is accessible even if other registers are locked */ - regval = vga_rcrt(NULL, 0x36); + regval = vga_rcrt(par->state.vgabase, 0x36); if (par->chip == CHIP_360_TRIO3D_1X || par->chip == CHIP_362_TRIO3D_2X || - par->chip == CHIP_368_TRIO3D_2X) { + par->chip == CHIP_368_TRIO3D_2X || + par->chip == CHIP_365_TRIO3D) { switch ((regval & 0xE0) >> 5) { case 0: /* 8MB -- only 4MB usable for display */ case 1: /* 4MB with 32-bit bus */ case 2: /* 4MB */ info->screen_size = 4 << 20; break; + case 4: /* 2MB on 365 Trio3D */ case 6: /* 2MB */ info->screen_size = 2 << 20; break; @@ -1002,13 +1074,13 @@ static int __devinit s3_pci_probe(struct pci_dev *dev, const struct pci_device_i info->fix.smem_len = info->screen_size; /* Find MCLK frequency */ - regval = vga_rseq(NULL, 0x10); - par->mclk_freq = ((vga_rseq(NULL, 0x11) + 2) * 14318) / ((regval & 0x1F) + 2); + regval = vga_rseq(par->state.vgabase, 0x10); + par->mclk_freq = ((vga_rseq(par->state.vgabase, 0x11) + 2) * 14318) / ((regval & 0x1F) + 2); par->mclk_freq = par->mclk_freq >> (regval >> 5); /* Restore locks */ - vga_wcrt(NULL, 0x38, cr38); - vga_wcrt(NULL, 0x39, cr39); + vga_wcrt(par->state.vgabase, 0x38, cr38); + vga_wcrt(par->state.vgabase, 0x39, cr39); strcpy(info->fix.id, s3_names [par->chip]); info->fix.mmio_start = 0; @@ -1027,6 +1099,14 @@ static int __devinit s3_pci_probe(struct pci_dev *dev, const struct pci_device_i goto err_find_mode; } + /* maximize virtual vertical size for fast scrolling */ + info->var.yres_virtual = info->fix.smem_len * 8 / + (info->var.bits_per_pixel * info->var.xres_virtual); + if (info->var.yres_virtual < info->var.yres) { + dev_err(info->device, "virtual vertical size smaller than real\n"); + goto err_find_mode; + } + rc = fb_alloc_cmap(&info->cmap, 256, 0); if (rc < 0) { dev_err(info->device, "cannot allocate colormap\n"); @@ -1044,8 +1124,8 @@ static int __devinit s3_pci_probe(struct pci_dev *dev, const struct pci_device_i if (par->chip == CHIP_UNKNOWN) printk(KERN_INFO "fb%d: unknown chip, CR2D=%x, CR2E=%x, CRT2F=%x, CRT30=%x\n", - info->node, vga_rcrt(NULL, 0x2d), vga_rcrt(NULL, 0x2e), - vga_rcrt(NULL, 0x2f), vga_rcrt(NULL, 0x30)); + info->node, vga_rcrt(par->state.vgabase, 0x2d), vga_rcrt(par->state.vgabase, 0x2e), + vga_rcrt(par->state.vgabase, 0x2f), vga_rcrt(par->state.vgabase, 0x30)); /* Record a reference to the driver data */ pci_set_drvdata(dev, info); @@ -1192,6 +1272,7 @@ static struct pci_device_id s3_devices[] __devinitdata = { {PCI_DEVICE(PCI_VENDOR_ID_S3, 0x8A11), .driver_data = CHIP_357_VIRGE_GX2P}, {PCI_DEVICE(PCI_VENDOR_ID_S3, 0x8A12), .driver_data = CHIP_359_VIRGE_GX2P}, {PCI_DEVICE(PCI_VENDOR_ID_S3, 0x8A13), .driver_data = CHIP_36X_TRIO3D_1X_2X}, + {PCI_DEVICE(PCI_VENDOR_ID_S3, 0x8904), .driver_data = CHIP_365_TRIO3D}, {0, 0, 0, 0, 0, 0, 0} }; diff --git a/drivers/video/sh7760fb.c b/drivers/video/sh7760fb.c index bea38fc..8fe1958 100644 --- a/drivers/video/sh7760fb.c +++ b/drivers/video/sh7760fb.c @@ -459,14 +459,14 @@ static int __devinit sh7760fb_probe(struct platform_device *pdev) } par->ioarea = request_mem_region(res->start, - (res->end - res->start), pdev->name); + resource_size(res), pdev->name); if (!par->ioarea) { dev_err(&pdev->dev, "mmio area busy\n"); ret = -EBUSY; goto out_fb; } - par->base = ioremap_nocache(res->start, res->end - res->start + 1); + par->base = ioremap_nocache(res->start, resource_size(res)); if (!par->base) { dev_err(&pdev->dev, "cannot remap\n"); ret = -ENODEV; diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c index bf2629f..757665b 100644 --- a/drivers/video/sh_mobile_lcdcfb.c +++ b/drivers/video/sh_mobile_lcdcfb.c @@ -1088,8 +1088,9 @@ static struct backlight_device *sh_mobile_lcdc_bl_probe(struct device *parent, bl = backlight_device_register(ch->cfg.bl_info.name, parent, ch, &sh_mobile_lcdc_bl_ops, NULL); - if (!bl) { - dev_err(parent, "unable to register backlight device\n"); + if (IS_ERR(bl)) { + dev_err(parent, "unable to register backlight device: %ld\n", + PTR_ERR(bl)); return NULL; } diff --git a/drivers/video/sis/sis.h b/drivers/video/sis/sis.h index eac7a01..1987f1b7 100644 --- a/drivers/video/sis/sis.h +++ b/drivers/video/sis/sis.h @@ -495,6 +495,7 @@ struct sis_video_info { unsigned int refresh_rate; unsigned int chip; + unsigned int chip_real_id; u8 revision_id; int sisvga_enabled; /* PCI device was enabled */ diff --git a/drivers/video/sis/sis_main.c b/drivers/video/sis/sis_main.c index 2fb8c5a..7525984 100644 --- a/drivers/video/sis/sis_main.c +++ b/drivers/video/sis/sis_main.c @@ -4563,6 +4563,11 @@ sisfb_post_sis315330(struct pci_dev *pdev) } #endif +static inline int sisfb_xgi_is21(struct sis_video_info *ivideo) +{ + return ivideo->chip_real_id == XGI_21; +} + static void __devinit sisfb_post_xgi_delay(struct sis_video_info *ivideo, int delay) { @@ -4627,11 +4632,11 @@ sisfb_post_xgi_rwtest(struct sis_video_info *ivideo, int starta, return 1; } -static void __devinit +static int __devinit sisfb_post_xgi_ramsize(struct sis_video_info *ivideo) { unsigned int buswidth, ranksize, channelab, mapsize; - int i, j, k, l; + int i, j, k, l, status; u8 reg, sr14; static const u8 dramsr13[12 * 5] = { 0x02, 0x0e, 0x0b, 0x80, 0x5d, @@ -4673,7 +4678,7 @@ sisfb_post_xgi_ramsize(struct sis_video_info *ivideo) SiS_SetReg(SISSR, 0x13, 0x35); SiS_SetReg(SISSR, 0x14, 0x41); /* TODO */ - return; + return -ENOMEM; } /* Non-interleaving */ @@ -4835,6 +4840,7 @@ bail_out: j = (ivideo->chip == XGI_20) ? 5 : 9; k = (ivideo->chip == XGI_20) ? 12 : 4; + status = -EIO; for(i = 0; i < k; i++) { @@ -4868,11 +4874,15 @@ bail_out: SiS_SetRegANDOR(SISSR, 0x14, 0x0f, (reg & 0xf0)); sisfb_post_xgi_delay(ivideo, 1); - if(sisfb_post_xgi_rwtest(ivideo, j, ((reg >> 4) + channelab - 2 + 20), mapsize)) + if (sisfb_post_xgi_rwtest(ivideo, j, ((reg >> 4) + channelab - 2 + 20), mapsize)) { + status = 0; break; + } } iounmap(ivideo->video_vbase); + + return status; } static void __devinit @@ -4931,6 +4941,175 @@ sisfb_post_xgi_setclocks(struct sis_video_info *ivideo, u8 regb) sisfb_post_xgi_delay(ivideo, 0x43); } +static void __devinit +sisfb_post_xgi_ddr2_mrs_default(struct sis_video_info *ivideo, u8 regb) +{ + unsigned char *bios = ivideo->bios_abase; + u8 v1; + + SiS_SetReg(SISSR, 0x28, 0x64); + SiS_SetReg(SISSR, 0x29, 0x63); + sisfb_post_xgi_delay(ivideo, 15); + SiS_SetReg(SISSR, 0x18, 0x00); + SiS_SetReg(SISSR, 0x19, 0x20); + SiS_SetReg(SISSR, 0x16, 0x00); + SiS_SetReg(SISSR, 0x16, 0x80); + SiS_SetReg(SISSR, 0x18, 0xc5); + SiS_SetReg(SISSR, 0x19, 0x23); + SiS_SetReg(SISSR, 0x16, 0x00); + SiS_SetReg(SISSR, 0x16, 0x80); + sisfb_post_xgi_delay(ivideo, 1); + SiS_SetReg(SISCR, 0x97, 0x11); + sisfb_post_xgi_setclocks(ivideo, regb); + sisfb_post_xgi_delay(ivideo, 0x46); + SiS_SetReg(SISSR, 0x18, 0xc5); + SiS_SetReg(SISSR, 0x19, 0x23); + SiS_SetReg(SISSR, 0x16, 0x00); + SiS_SetReg(SISSR, 0x16, 0x80); + sisfb_post_xgi_delay(ivideo, 1); + SiS_SetReg(SISSR, 0x1b, 0x04); + sisfb_post_xgi_delay(ivideo, 1); + SiS_SetReg(SISSR, 0x1b, 0x00); + sisfb_post_xgi_delay(ivideo, 1); + v1 = 0x31; + if (ivideo->haveXGIROM) { + v1 = bios[0xf0]; + } + SiS_SetReg(SISSR, 0x18, v1); + SiS_SetReg(SISSR, 0x19, 0x06); + SiS_SetReg(SISSR, 0x16, 0x04); + SiS_SetReg(SISSR, 0x16, 0x84); + sisfb_post_xgi_delay(ivideo, 1); +} + +static void __devinit +sisfb_post_xgi_ddr2_mrs_xg21(struct sis_video_info *ivideo) +{ + sisfb_post_xgi_setclocks(ivideo, 1); + + SiS_SetReg(SISCR, 0x97, 0x11); + sisfb_post_xgi_delay(ivideo, 0x46); + + SiS_SetReg(SISSR, 0x18, 0x00); /* EMRS2 */ + SiS_SetReg(SISSR, 0x19, 0x80); + SiS_SetReg(SISSR, 0x16, 0x05); + SiS_SetReg(SISSR, 0x16, 0x85); + + SiS_SetReg(SISSR, 0x18, 0x00); /* EMRS3 */ + SiS_SetReg(SISSR, 0x19, 0xc0); + SiS_SetReg(SISSR, 0x16, 0x05); + SiS_SetReg(SISSR, 0x16, 0x85); + + SiS_SetReg(SISSR, 0x18, 0x00); /* EMRS1 */ + SiS_SetReg(SISSR, 0x19, 0x40); + SiS_SetReg(SISSR, 0x16, 0x05); + SiS_SetReg(SISSR, 0x16, 0x85); + + SiS_SetReg(SISSR, 0x18, 0x42); /* MRS1 */ + SiS_SetReg(SISSR, 0x19, 0x02); + SiS_SetReg(SISSR, 0x16, 0x05); + SiS_SetReg(SISSR, 0x16, 0x85); + sisfb_post_xgi_delay(ivideo, 1); + + SiS_SetReg(SISSR, 0x1b, 0x04); + sisfb_post_xgi_delay(ivideo, 1); + + SiS_SetReg(SISSR, 0x1b, 0x00); + sisfb_post_xgi_delay(ivideo, 1); + + SiS_SetReg(SISSR, 0x18, 0x42); /* MRS1 */ + SiS_SetReg(SISSR, 0x19, 0x00); + SiS_SetReg(SISSR, 0x16, 0x05); + SiS_SetReg(SISSR, 0x16, 0x85); + sisfb_post_xgi_delay(ivideo, 1); +} + +static void __devinit +sisfb_post_xgi_ddr2(struct sis_video_info *ivideo, u8 regb) +{ + unsigned char *bios = ivideo->bios_abase; + static const u8 cs158[8] = { + 0x88, 0xaa, 0x48, 0x00, 0x00, 0x00, 0x00, 0x00 + }; + static const u8 cs160[8] = { + 0x44, 0x77, 0x77, 0x00, 0x00, 0x00, 0x00, 0x00 + }; + static const u8 cs168[8] = { + 0x48, 0x78, 0x88, 0x00, 0x00, 0x00, 0x00, 0x00 + }; + u8 reg; + u8 v1; + u8 v2; + u8 v3; + + SiS_SetReg(SISCR, 0xb0, 0x80); /* DDR2 dual frequency mode */ + SiS_SetReg(SISCR, 0x82, 0x77); + SiS_SetReg(SISCR, 0x86, 0x00); + reg = SiS_GetReg(SISCR, 0x86); + SiS_SetReg(SISCR, 0x86, 0x88); + reg = SiS_GetReg(SISCR, 0x86); + v1 = cs168[regb]; v2 = cs160[regb]; v3 = cs158[regb]; + if (ivideo->haveXGIROM) { + v1 = bios[regb + 0x168]; + v2 = bios[regb + 0x160]; + v3 = bios[regb + 0x158]; + } + SiS_SetReg(SISCR, 0x86, v1); + SiS_SetReg(SISCR, 0x82, 0x77); + SiS_SetReg(SISCR, 0x85, 0x00); + reg = SiS_GetReg(SISCR, 0x85); + SiS_SetReg(SISCR, 0x85, 0x88); + reg = SiS_GetReg(SISCR, 0x85); + SiS_SetReg(SISCR, 0x85, v2); + SiS_SetReg(SISCR, 0x82, v3); + SiS_SetReg(SISCR, 0x98, 0x01); + SiS_SetReg(SISCR, 0x9a, 0x02); + if (sisfb_xgi_is21(ivideo)) + sisfb_post_xgi_ddr2_mrs_xg21(ivideo); + else + sisfb_post_xgi_ddr2_mrs_default(ivideo, regb); +} + +static u8 __devinit +sisfb_post_xgi_ramtype(struct sis_video_info *ivideo) +{ + unsigned char *bios = ivideo->bios_abase; + u8 ramtype; + u8 reg; + u8 v1; + + ramtype = 0x00; v1 = 0x10; + if (ivideo->haveXGIROM) { + ramtype = bios[0x62]; + v1 = bios[0x1d2]; + } + if (!(ramtype & 0x80)) { + if (sisfb_xgi_is21(ivideo)) { + SiS_SetRegAND(SISCR, 0xb4, 0xfd); /* GPIO control */ + SiS_SetRegOR(SISCR, 0x4a, 0x80); /* GPIOH EN */ + reg = SiS_GetReg(SISCR, 0x48); + SiS_SetRegOR(SISCR, 0xb4, 0x02); + ramtype = reg & 0x01; /* GPIOH */ + } else if (ivideo->chip == XGI_20) { + SiS_SetReg(SISCR, 0x97, v1); + reg = SiS_GetReg(SISCR, 0x97); + if (reg & 0x10) { + ramtype = (reg & 0x01) << 1; + } + } else { + reg = SiS_GetReg(SISSR, 0x39); + ramtype = reg & 0x02; + if (!(ramtype)) { + reg = SiS_GetReg(SISSR, 0x3a); + ramtype = (reg >> 1) & 0x01; + } + } + } + ramtype &= 0x07; + + return ramtype; +} + static int __devinit sisfb_post_xgi(struct pci_dev *pdev) { @@ -5213,9 +5392,23 @@ sisfb_post_xgi(struct pci_dev *pdev) SiS_SetReg(SISCR, 0x77, v1); } - /* RAM type */ - - regb = 0; /* ! */ + /* RAM type: + * + * 0 == DDR1, 1 == DDR2, 2..7 == reserved? + * + * The code seems to written so that regb should equal ramtype, + * however, so far it has been hardcoded to 0. Enable other values only + * on XGI Z9, as it passes the POST, and add a warning for others. + */ + ramtype = sisfb_post_xgi_ramtype(ivideo); + if (!sisfb_xgi_is21(ivideo) && ramtype) { + dev_warn(&pdev->dev, + "RAM type something else than expected: %d\n", + ramtype); + regb = 0; + } else { + regb = ramtype; + } v1 = 0xff; if(ivideo->haveXGIROM) { @@ -5367,7 +5560,10 @@ sisfb_post_xgi(struct pci_dev *pdev) } } - SiS_SetReg(SISSR, 0x17, 0x00); + if (regb == 1) + SiS_SetReg(SISSR, 0x17, 0x80); /* DDR2 */ + else + SiS_SetReg(SISSR, 0x17, 0x00); /* DDR1 */ SiS_SetReg(SISSR, 0x1a, 0x87); if(ivideo->chip == XGI_20) { @@ -5375,31 +5571,6 @@ sisfb_post_xgi(struct pci_dev *pdev) SiS_SetReg(SISSR, 0x1c, 0x00); } - ramtype = 0x00; v1 = 0x10; - if(ivideo->haveXGIROM) { - ramtype = bios[0x62]; - v1 = bios[0x1d2]; - } - if(!(ramtype & 0x80)) { - if(ivideo->chip == XGI_20) { - SiS_SetReg(SISCR, 0x97, v1); - reg = SiS_GetReg(SISCR, 0x97); - if(reg & 0x10) { - ramtype = (reg & 0x01) << 1; - } - } else { - reg = SiS_GetReg(SISSR, 0x39); - ramtype = reg & 0x02; - if(!(ramtype)) { - reg = SiS_GetReg(SISSR, 0x3a); - ramtype = (reg >> 1) & 0x01; - } - } - } - ramtype &= 0x07; - - regb = 0; /* ! */ - switch(ramtype) { case 0: sisfb_post_xgi_setclocks(ivideo, regb); @@ -5485,61 +5656,7 @@ sisfb_post_xgi(struct pci_dev *pdev) SiS_SetReg(SISSR, 0x1b, 0x00); break; case 1: - SiS_SetReg(SISCR, 0x82, 0x77); - SiS_SetReg(SISCR, 0x86, 0x00); - reg = SiS_GetReg(SISCR, 0x86); - SiS_SetReg(SISCR, 0x86, 0x88); - reg = SiS_GetReg(SISCR, 0x86); - v1 = cs168[regb]; v2 = cs160[regb]; v3 = cs158[regb]; - if(ivideo->haveXGIROM) { - v1 = bios[regb + 0x168]; - v2 = bios[regb + 0x160]; - v3 = bios[regb + 0x158]; - } - SiS_SetReg(SISCR, 0x86, v1); - SiS_SetReg(SISCR, 0x82, 0x77); - SiS_SetReg(SISCR, 0x85, 0x00); - reg = SiS_GetReg(SISCR, 0x85); - SiS_SetReg(SISCR, 0x85, 0x88); - reg = SiS_GetReg(SISCR, 0x85); - SiS_SetReg(SISCR, 0x85, v2); - SiS_SetReg(SISCR, 0x82, v3); - SiS_SetReg(SISCR, 0x98, 0x01); - SiS_SetReg(SISCR, 0x9a, 0x02); - - SiS_SetReg(SISSR, 0x28, 0x64); - SiS_SetReg(SISSR, 0x29, 0x63); - sisfb_post_xgi_delay(ivideo, 15); - SiS_SetReg(SISSR, 0x18, 0x00); - SiS_SetReg(SISSR, 0x19, 0x20); - SiS_SetReg(SISSR, 0x16, 0x00); - SiS_SetReg(SISSR, 0x16, 0x80); - SiS_SetReg(SISSR, 0x18, 0xc5); - SiS_SetReg(SISSR, 0x19, 0x23); - SiS_SetReg(SISSR, 0x16, 0x00); - SiS_SetReg(SISSR, 0x16, 0x80); - sisfb_post_xgi_delay(ivideo, 1); - SiS_SetReg(SISCR, 0x97, 0x11); - sisfb_post_xgi_setclocks(ivideo, regb); - sisfb_post_xgi_delay(ivideo, 0x46); - SiS_SetReg(SISSR, 0x18, 0xc5); - SiS_SetReg(SISSR, 0x19, 0x23); - SiS_SetReg(SISSR, 0x16, 0x00); - SiS_SetReg(SISSR, 0x16, 0x80); - sisfb_post_xgi_delay(ivideo, 1); - SiS_SetReg(SISSR, 0x1b, 0x04); - sisfb_post_xgi_delay(ivideo, 1); - SiS_SetReg(SISSR, 0x1b, 0x00); - sisfb_post_xgi_delay(ivideo, 1); - v1 = 0x31; - if(ivideo->haveXGIROM) { - v1 = bios[0xf0]; - } - SiS_SetReg(SISSR, 0x18, v1); - SiS_SetReg(SISSR, 0x19, 0x06); - SiS_SetReg(SISSR, 0x16, 0x04); - SiS_SetReg(SISSR, 0x16, 0x84); - sisfb_post_xgi_delay(ivideo, 1); + sisfb_post_xgi_ddr2(ivideo, regb); break; default: sisfb_post_xgi_setclocks(ivideo, regb); @@ -5648,6 +5765,7 @@ sisfb_post_xgi(struct pci_dev *pdev) SiS_SetReg(SISSR, 0x14, bios[regb + 0xe0 + 8]); } else { + int err; /* Set default mode, don't clear screen */ ivideo->SiS_Pr.SiS_UseOEM = false; @@ -5661,10 +5779,16 @@ sisfb_post_xgi(struct pci_dev *pdev) /* Disable read-cache */ SiS_SetRegAND(SISSR, 0x21, 0xdf); - sisfb_post_xgi_ramsize(ivideo); + err = sisfb_post_xgi_ramsize(ivideo); /* Enable read-cache */ SiS_SetRegOR(SISSR, 0x21, 0x20); + if (err) { + dev_err(&pdev->dev, + "%s: RAM size detection failed: %d\n", + __func__, err); + return 0; + } } #if 0 @@ -5777,6 +5901,7 @@ sisfb_probe(struct pci_dev *pdev, const struct pci_device_id *ent) #endif ivideo->chip = chipinfo->chip; + ivideo->chip_real_id = chipinfo->chip; ivideo->sisvga_engine = chipinfo->vgaengine; ivideo->hwcursor_size = chipinfo->hwcursor_size; ivideo->CRT2_write_enable = chipinfo->CRT2_write_enable; @@ -6010,6 +6135,18 @@ sisfb_probe(struct pci_dev *pdev, const struct pci_device_id *ent) sisfb_detect_custom_timing(ivideo); } +#ifdef CONFIG_FB_SIS_315 + if (ivideo->chip == XGI_20) { + /* Check if our Z7 chip is actually Z9 */ + SiS_SetRegOR(SISCR, 0x4a, 0x40); /* GPIOG EN */ + reg = SiS_GetReg(SISCR, 0x48); + if (reg & 0x02) { /* GPIOG */ + ivideo->chip_real_id = XGI_21; + dev_info(&pdev->dev, "Z9 detected\n"); + } + } +#endif + /* POST card in case this has not been done by the BIOS */ if( (!ivideo->sisvga_enabled) #if !defined(__i386__) && !defined(__x86_64__) diff --git a/drivers/video/sis/vgatypes.h b/drivers/video/sis/vgatypes.h index 12c0dfa..e3f9976 100644 --- a/drivers/video/sis/vgatypes.h +++ b/drivers/video/sis/vgatypes.h @@ -87,6 +87,7 @@ typedef enum _SIS_CHIP_TYPE { SIS_341, SIS_342, XGI_20 = 75, + XGI_21, XGI_40, MAX_SIS_CHIP } SIS_CHIP_TYPE; diff --git a/drivers/video/sm501fb.c b/drivers/video/sm501fb.c index bcb44a5..46d1a64 100644 --- a/drivers/video/sm501fb.c +++ b/drivers/video/sm501fb.c @@ -41,6 +41,26 @@ #include <linux/sm501.h> #include <linux/sm501-regs.h> +#include "edid.h" + +static char *fb_mode = "640x480-16@60"; +static unsigned long default_bpp = 16; + +static struct fb_videomode __devinitdata sm501_default_mode = { + .refresh = 60, + .xres = 640, + .yres = 480, + .pixclock = 20833, + .left_margin = 142, + .right_margin = 13, + .upper_margin = 21, + .lower_margin = 1, + .hsync_len = 69, + .vsync_len = 3, + .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, + .vmode = FB_VMODE_NONINTERLACED +}; + #define NR_PALETTE 256 enum sm501_controller { @@ -77,6 +97,7 @@ struct sm501fb_info { void __iomem *regs2d; /* 2d remapped registers */ void __iomem *fbmem; /* remapped framebuffer */ size_t fbmem_len; /* length of remapped region */ + u8 *edid_data; }; /* per-framebuffer private data */ @@ -117,7 +138,7 @@ static inline int v_total(struct fb_var_screeninfo *var) static inline void sm501fb_sync_regs(struct sm501fb_info *info) { - readl(info->regs); + smc501_readl(info->regs); } /* sm501_alloc_mem @@ -262,7 +283,7 @@ static void sm501fb_setup_gamma(struct sm501fb_info *fbi, /* set gamma values */ for (offset = 0; offset < 256 * 4; offset += 4) { - writel(value, fbi->regs + palette + offset); + smc501_writel(value, fbi->regs + palette + offset); value += 0x010101; /* Advance RGB by 1,1,1.*/ } } @@ -476,7 +497,8 @@ static int sm501fb_set_par_common(struct fb_info *info, /* set start of framebuffer to the screen */ - writel(par->screen.sm_addr | SM501_ADDR_FLIP, fbi->regs + head_addr); + smc501_writel(par->screen.sm_addr | SM501_ADDR_FLIP, + fbi->regs + head_addr); /* program CRT clock */ @@ -519,7 +541,7 @@ static void sm501fb_set_par_geometry(struct fb_info *info, reg = info->fix.line_length; reg |= ((var->xres * var->bits_per_pixel)/8) << 16; - writel(reg, fbi->regs + (par->head == HEAD_CRT ? + smc501_writel(reg, fbi->regs + (par->head == HEAD_CRT ? SM501_DC_CRT_FB_OFFSET : SM501_DC_PANEL_FB_OFFSET)); /* program horizontal total */ @@ -527,27 +549,27 @@ static void sm501fb_set_par_geometry(struct fb_info *info, reg = (h_total(var) - 1) << 16; reg |= (var->xres - 1); - writel(reg, base + SM501_OFF_DC_H_TOT); + smc501_writel(reg, base + SM501_OFF_DC_H_TOT); /* program horizontal sync */ reg = var->hsync_len << 16; reg |= var->xres + var->right_margin - 1; - writel(reg, base + SM501_OFF_DC_H_SYNC); + smc501_writel(reg, base + SM501_OFF_DC_H_SYNC); /* program vertical total */ reg = (v_total(var) - 1) << 16; reg |= (var->yres - 1); - writel(reg, base + SM501_OFF_DC_V_TOT); + smc501_writel(reg, base + SM501_OFF_DC_V_TOT); /* program vertical sync */ reg = var->vsync_len << 16; reg |= var->yres + var->lower_margin - 1; - writel(reg, base + SM501_OFF_DC_V_SYNC); + smc501_writel(reg, base + SM501_OFF_DC_V_SYNC); } /* sm501fb_pan_crt @@ -566,15 +588,15 @@ static int sm501fb_pan_crt(struct fb_var_screeninfo *var, xoffs = var->xoffset * bytes_pixel; - reg = readl(fbi->regs + SM501_DC_CRT_CONTROL); + reg = smc501_readl(fbi->regs + SM501_DC_CRT_CONTROL); reg &= ~SM501_DC_CRT_CONTROL_PIXEL_MASK; reg |= ((xoffs & 15) / bytes_pixel) << 4; - writel(reg, fbi->regs + SM501_DC_CRT_CONTROL); + smc501_writel(reg, fbi->regs + SM501_DC_CRT_CONTROL); reg = (par->screen.sm_addr + xoffs + var->yoffset * info->fix.line_length); - writel(reg | SM501_ADDR_FLIP, fbi->regs + SM501_DC_CRT_FB_ADDR); + smc501_writel(reg | SM501_ADDR_FLIP, fbi->regs + SM501_DC_CRT_FB_ADDR); sm501fb_sync_regs(fbi); return 0; @@ -593,10 +615,10 @@ static int sm501fb_pan_pnl(struct fb_var_screeninfo *var, unsigned long reg; reg = var->xoffset | (var->xres_virtual << 16); - writel(reg, fbi->regs + SM501_DC_PANEL_FB_WIDTH); + smc501_writel(reg, fbi->regs + SM501_DC_PANEL_FB_WIDTH); reg = var->yoffset | (var->yres_virtual << 16); - writel(reg, fbi->regs + SM501_DC_PANEL_FB_HEIGHT); + smc501_writel(reg, fbi->regs + SM501_DC_PANEL_FB_HEIGHT); sm501fb_sync_regs(fbi); return 0; @@ -622,7 +644,7 @@ static int sm501fb_set_par_crt(struct fb_info *info) /* enable CRT DAC - note 0 is on!*/ sm501_misc_control(fbi->dev->parent, 0, SM501_MISC_DAC_POWER); - control = readl(fbi->regs + SM501_DC_CRT_CONTROL); + control = smc501_readl(fbi->regs + SM501_DC_CRT_CONTROL); control &= (SM501_DC_CRT_CONTROL_PIXEL_MASK | SM501_DC_CRT_CONTROL_GAMMA | @@ -684,7 +706,7 @@ static int sm501fb_set_par_crt(struct fb_info *info) out_update: dev_dbg(fbi->dev, "new control is %08lx\n", control); - writel(control, fbi->regs + SM501_DC_CRT_CONTROL); + smc501_writel(control, fbi->regs + SM501_DC_CRT_CONTROL); sm501fb_sync_regs(fbi); return 0; @@ -696,18 +718,18 @@ static void sm501fb_panel_power(struct sm501fb_info *fbi, int to) void __iomem *ctrl_reg = fbi->regs + SM501_DC_PANEL_CONTROL; struct sm501_platdata_fbsub *pd = fbi->pdata->fb_pnl; - control = readl(ctrl_reg); + control = smc501_readl(ctrl_reg); if (to && (control & SM501_DC_PANEL_CONTROL_VDD) == 0) { /* enable panel power */ control |= SM501_DC_PANEL_CONTROL_VDD; /* FPVDDEN */ - writel(control, ctrl_reg); + smc501_writel(control, ctrl_reg); sm501fb_sync_regs(fbi); mdelay(10); control |= SM501_DC_PANEL_CONTROL_DATA; /* DATA */ - writel(control, ctrl_reg); + smc501_writel(control, ctrl_reg); sm501fb_sync_regs(fbi); mdelay(10); @@ -719,7 +741,7 @@ static void sm501fb_panel_power(struct sm501fb_info *fbi, int to) else control |= SM501_DC_PANEL_CONTROL_BIAS; - writel(control, ctrl_reg); + smc501_writel(control, ctrl_reg); sm501fb_sync_regs(fbi); mdelay(10); } @@ -730,7 +752,7 @@ static void sm501fb_panel_power(struct sm501fb_info *fbi, int to) else control |= SM501_DC_PANEL_CONTROL_FPEN; - writel(control, ctrl_reg); + smc501_writel(control, ctrl_reg); sm501fb_sync_regs(fbi); mdelay(10); } @@ -742,7 +764,7 @@ static void sm501fb_panel_power(struct sm501fb_info *fbi, int to) else control &= ~SM501_DC_PANEL_CONTROL_FPEN; - writel(control, ctrl_reg); + smc501_writel(control, ctrl_reg); sm501fb_sync_regs(fbi); mdelay(10); } @@ -753,18 +775,18 @@ static void sm501fb_panel_power(struct sm501fb_info *fbi, int to) else control &= ~SM501_DC_PANEL_CONTROL_BIAS; - writel(control, ctrl_reg); + smc501_writel(control, ctrl_reg); sm501fb_sync_regs(fbi); mdelay(10); } control &= ~SM501_DC_PANEL_CONTROL_DATA; - writel(control, ctrl_reg); + smc501_writel(control, ctrl_reg); sm501fb_sync_regs(fbi); mdelay(10); control &= ~SM501_DC_PANEL_CONTROL_VDD; - writel(control, ctrl_reg); + smc501_writel(control, ctrl_reg); sm501fb_sync_regs(fbi); mdelay(10); } @@ -799,7 +821,7 @@ static int sm501fb_set_par_pnl(struct fb_info *info) /* update control register */ - control = readl(fbi->regs + SM501_DC_PANEL_CONTROL); + control = smc501_readl(fbi->regs + SM501_DC_PANEL_CONTROL); control &= (SM501_DC_PANEL_CONTROL_GAMMA | SM501_DC_PANEL_CONTROL_VDD | SM501_DC_PANEL_CONTROL_DATA | @@ -833,16 +855,16 @@ static int sm501fb_set_par_pnl(struct fb_info *info) BUG(); } - writel(0x0, fbi->regs + SM501_DC_PANEL_PANNING_CONTROL); + smc501_writel(0x0, fbi->regs + SM501_DC_PANEL_PANNING_CONTROL); /* panel plane top left and bottom right location */ - writel(0x00, fbi->regs + SM501_DC_PANEL_TL_LOC); + smc501_writel(0x00, fbi->regs + SM501_DC_PANEL_TL_LOC); reg = var->xres - 1; reg |= (var->yres - 1) << 16; - writel(reg, fbi->regs + SM501_DC_PANEL_BR_LOC); + smc501_writel(reg, fbi->regs + SM501_DC_PANEL_BR_LOC); /* program panel control register */ @@ -855,7 +877,7 @@ static int sm501fb_set_par_pnl(struct fb_info *info) if ((var->sync & FB_SYNC_VERT_HIGH_ACT) == 0) control |= SM501_DC_PANEL_CONTROL_VSP; - writel(control, fbi->regs + SM501_DC_PANEL_CONTROL); + smc501_writel(control, fbi->regs + SM501_DC_PANEL_CONTROL); sm501fb_sync_regs(fbi); /* ensure the panel interface is not tristated at this point */ @@ -924,7 +946,7 @@ static int sm501fb_setcolreg(unsigned regno, val |= (green >> 8) << 8; val |= blue >> 8; - writel(val, base + (regno * 4)); + smc501_writel(val, base + (regno * 4)); } break; @@ -980,7 +1002,7 @@ static int sm501fb_blank_crt(int blank_mode, struct fb_info *info) dev_dbg(fbi->dev, "%s(mode=%d, %p)\n", __func__, blank_mode, info); - ctrl = readl(fbi->regs + SM501_DC_CRT_CONTROL); + ctrl = smc501_readl(fbi->regs + SM501_DC_CRT_CONTROL); switch (blank_mode) { case FB_BLANK_POWERDOWN: @@ -1004,7 +1026,7 @@ static int sm501fb_blank_crt(int blank_mode, struct fb_info *info) } - writel(ctrl, fbi->regs + SM501_DC_CRT_CONTROL); + smc501_writel(ctrl, fbi->regs + SM501_DC_CRT_CONTROL); sm501fb_sync_regs(fbi); return 0; @@ -1041,12 +1063,14 @@ static int sm501fb_cursor(struct fb_info *info, struct fb_cursor *cursor) if (cursor->image.depth > 1) return -EINVAL; - hwc_addr = readl(base + SM501_OFF_HWC_ADDR); + hwc_addr = smc501_readl(base + SM501_OFF_HWC_ADDR); if (cursor->enable) - writel(hwc_addr | SM501_HWC_EN, base + SM501_OFF_HWC_ADDR); + smc501_writel(hwc_addr | SM501_HWC_EN, + base + SM501_OFF_HWC_ADDR); else - writel(hwc_addr & ~SM501_HWC_EN, base + SM501_OFF_HWC_ADDR); + smc501_writel(hwc_addr & ~SM501_HWC_EN, + base + SM501_OFF_HWC_ADDR); /* set data */ if (cursor->set & FB_CUR_SETPOS) { @@ -1060,7 +1084,7 @@ static int sm501fb_cursor(struct fb_info *info, struct fb_cursor *cursor) //y += cursor->image.height; - writel(x | (y << 16), base + SM501_OFF_HWC_LOC); + smc501_writel(x | (y << 16), base + SM501_OFF_HWC_LOC); } if (cursor->set & FB_CUR_SETCMAP) { @@ -1080,8 +1104,8 @@ static int sm501fb_cursor(struct fb_info *info, struct fb_cursor *cursor) dev_dbg(fbi->dev, "fgcol %08lx, bgcol %08lx\n", fg, bg); - writel(bg, base + SM501_OFF_HWC_COLOR_1_2); - writel(fg, base + SM501_OFF_HWC_COLOR_3); + smc501_writel(bg, base + SM501_OFF_HWC_COLOR_1_2); + smc501_writel(fg, base + SM501_OFF_HWC_COLOR_3); } if (cursor->set & FB_CUR_SETSIZE || @@ -1102,7 +1126,7 @@ static int sm501fb_cursor(struct fb_info *info, struct fb_cursor *cursor) __func__, cursor->image.width, cursor->image.height); for (op = 0; op < (64*64*2)/8; op+=4) - writel(0x0, dst + op); + smc501_writel(0x0, dst + op); for (y = 0; y < cursor->image.height; y++) { for (x = 0; x < cursor->image.width; x++) { @@ -1141,7 +1165,7 @@ static ssize_t sm501fb_crtsrc_show(struct device *dev, struct sm501fb_info *info = dev_get_drvdata(dev); unsigned long ctrl; - ctrl = readl(info->regs + SM501_DC_CRT_CONTROL); + ctrl = smc501_readl(info->regs + SM501_DC_CRT_CONTROL); ctrl &= SM501_DC_CRT_CONTROL_SEL; return snprintf(buf, PAGE_SIZE, "%s\n", ctrl ? "crt" : "panel"); @@ -1172,7 +1196,7 @@ static ssize_t sm501fb_crtsrc_store(struct device *dev, dev_info(dev, "setting crt source to head %d\n", head); - ctrl = readl(info->regs + SM501_DC_CRT_CONTROL); + ctrl = smc501_readl(info->regs + SM501_DC_CRT_CONTROL); if (head == HEAD_CRT) { ctrl |= SM501_DC_CRT_CONTROL_SEL; @@ -1184,7 +1208,7 @@ static ssize_t sm501fb_crtsrc_store(struct device *dev, ctrl &= ~SM501_DC_CRT_CONTROL_TE; } - writel(ctrl, info->regs + SM501_DC_CRT_CONTROL); + smc501_writel(ctrl, info->regs + SM501_DC_CRT_CONTROL); sm501fb_sync_regs(info); return len; @@ -1205,7 +1229,8 @@ static int sm501fb_show_regs(struct sm501fb_info *info, char *ptr, unsigned int reg; for (reg = start; reg < (len + start); reg += 4) - ptr += sprintf(ptr, "%08x = %08x\n", reg, readl(mem + reg)); + ptr += sprintf(ptr, "%08x = %08x\n", reg, + smc501_readl(mem + reg)); return ptr - buf; } @@ -1257,7 +1282,7 @@ static int sm501fb_sync(struct fb_info *info) /* wait for the 2d engine to be ready */ while ((count > 0) && - (readl(fbi->regs + SM501_SYSTEM_CONTROL) & + (smc501_readl(fbi->regs + SM501_SYSTEM_CONTROL) & SM501_SYSCTRL_2D_ENGINE_STATUS) != 0) count--; @@ -1312,45 +1337,46 @@ static void sm501fb_copyarea(struct fb_info *info, const struct fb_copyarea *are return; /* set the base addresses */ - writel(par->screen.sm_addr, fbi->regs2d + SM501_2D_SOURCE_BASE); - writel(par->screen.sm_addr, fbi->regs2d + SM501_2D_DESTINATION_BASE); + smc501_writel(par->screen.sm_addr, fbi->regs2d + SM501_2D_SOURCE_BASE); + smc501_writel(par->screen.sm_addr, + fbi->regs2d + SM501_2D_DESTINATION_BASE); /* set the window width */ - writel((info->var.xres << 16) | info->var.xres, + smc501_writel((info->var.xres << 16) | info->var.xres, fbi->regs2d + SM501_2D_WINDOW_WIDTH); /* set window stride */ - writel((info->var.xres_virtual << 16) | info->var.xres_virtual, + smc501_writel((info->var.xres_virtual << 16) | info->var.xres_virtual, fbi->regs2d + SM501_2D_PITCH); /* set data format */ switch (info->var.bits_per_pixel) { case 8: - writel(0, fbi->regs2d + SM501_2D_STRETCH); + smc501_writel(0, fbi->regs2d + SM501_2D_STRETCH); break; case 16: - writel(0x00100000, fbi->regs2d + SM501_2D_STRETCH); + smc501_writel(0x00100000, fbi->regs2d + SM501_2D_STRETCH); break; case 32: - writel(0x00200000, fbi->regs2d + SM501_2D_STRETCH); + smc501_writel(0x00200000, fbi->regs2d + SM501_2D_STRETCH); break; } /* 2d compare mask */ - writel(0xffffffff, fbi->regs2d + SM501_2D_COLOR_COMPARE_MASK); + smc501_writel(0xffffffff, fbi->regs2d + SM501_2D_COLOR_COMPARE_MASK); /* 2d mask */ - writel(0xffffffff, fbi->regs2d + SM501_2D_MASK); + smc501_writel(0xffffffff, fbi->regs2d + SM501_2D_MASK); /* source and destination x y */ - writel((sx << 16) | sy, fbi->regs2d + SM501_2D_SOURCE); - writel((dx << 16) | dy, fbi->regs2d + SM501_2D_DESTINATION); + smc501_writel((sx << 16) | sy, fbi->regs2d + SM501_2D_SOURCE); + smc501_writel((dx << 16) | dy, fbi->regs2d + SM501_2D_DESTINATION); /* w/h */ - writel((width << 16) | height, fbi->regs2d + SM501_2D_DIMENSION); + smc501_writel((width << 16) | height, fbi->regs2d + SM501_2D_DIMENSION); /* do area move */ - writel(0x800000cc | rtl, fbi->regs2d + SM501_2D_CONTROL); + smc501_writel(0x800000cc | rtl, fbi->regs2d + SM501_2D_CONTROL); } static void sm501fb_fillrect(struct fb_info *info, const struct fb_fillrect *rect) @@ -1372,47 +1398,49 @@ static void sm501fb_fillrect(struct fb_info *info, const struct fb_fillrect *rec return; /* set the base addresses */ - writel(par->screen.sm_addr, fbi->regs2d + SM501_2D_SOURCE_BASE); - writel(par->screen.sm_addr, fbi->regs2d + SM501_2D_DESTINATION_BASE); + smc501_writel(par->screen.sm_addr, fbi->regs2d + SM501_2D_SOURCE_BASE); + smc501_writel(par->screen.sm_addr, + fbi->regs2d + SM501_2D_DESTINATION_BASE); /* set the window width */ - writel((info->var.xres << 16) | info->var.xres, + smc501_writel((info->var.xres << 16) | info->var.xres, fbi->regs2d + SM501_2D_WINDOW_WIDTH); /* set window stride */ - writel((info->var.xres_virtual << 16) | info->var.xres_virtual, + smc501_writel((info->var.xres_virtual << 16) | info->var.xres_virtual, fbi->regs2d + SM501_2D_PITCH); /* set data format */ switch (info->var.bits_per_pixel) { case 8: - writel(0, fbi->regs2d + SM501_2D_STRETCH); + smc501_writel(0, fbi->regs2d + SM501_2D_STRETCH); break; case 16: - writel(0x00100000, fbi->regs2d + SM501_2D_STRETCH); + smc501_writel(0x00100000, fbi->regs2d + SM501_2D_STRETCH); break; case 32: - writel(0x00200000, fbi->regs2d + SM501_2D_STRETCH); + smc501_writel(0x00200000, fbi->regs2d + SM501_2D_STRETCH); break; } /* 2d compare mask */ - writel(0xffffffff, fbi->regs2d + SM501_2D_COLOR_COMPARE_MASK); + smc501_writel(0xffffffff, fbi->regs2d + SM501_2D_COLOR_COMPARE_MASK); /* 2d mask */ - writel(0xffffffff, fbi->regs2d + SM501_2D_MASK); + smc501_writel(0xffffffff, fbi->regs2d + SM501_2D_MASK); /* colour */ - writel(rect->color, fbi->regs2d + SM501_2D_FOREGROUND); + smc501_writel(rect->color, fbi->regs2d + SM501_2D_FOREGROUND); /* x y */ - writel((rect->dx << 16) | rect->dy, fbi->regs2d + SM501_2D_DESTINATION); + smc501_writel((rect->dx << 16) | rect->dy, + fbi->regs2d + SM501_2D_DESTINATION); /* w/h */ - writel((width << 16) | height, fbi->regs2d + SM501_2D_DIMENSION); + smc501_writel((width << 16) | height, fbi->regs2d + SM501_2D_DIMENSION); /* do rectangle fill */ - writel(0x800100cc, fbi->regs2d + SM501_2D_CONTROL); + smc501_writel(0x800100cc, fbi->regs2d + SM501_2D_CONTROL); } @@ -1470,11 +1498,12 @@ static int sm501_init_cursor(struct fb_info *fbi, unsigned int reg_base) /* initialise the colour registers */ - writel(par->cursor.sm_addr, par->cursor_regs + SM501_OFF_HWC_ADDR); + smc501_writel(par->cursor.sm_addr, + par->cursor_regs + SM501_OFF_HWC_ADDR); - writel(0x00, par->cursor_regs + SM501_OFF_HWC_LOC); - writel(0x00, par->cursor_regs + SM501_OFF_HWC_COLOR_1_2); - writel(0x00, par->cursor_regs + SM501_OFF_HWC_COLOR_3); + smc501_writel(0x00, par->cursor_regs + SM501_OFF_HWC_LOC); + smc501_writel(0x00, par->cursor_regs + SM501_OFF_HWC_COLOR_1_2); + smc501_writel(0x00, par->cursor_regs + SM501_OFF_HWC_COLOR_3); sm501fb_sync_regs(info); return 0; @@ -1581,7 +1610,7 @@ static int sm501fb_start(struct sm501fb_info *info, /* clear palette ram - undefined at power on */ for (k = 0; k < (256 * 3); k++) - writel(0, info->regs + SM501_DC_PANEL_PALETTE + (k * 4)); + smc501_writel(0, info->regs + SM501_DC_PANEL_PALETTE + (k * 4)); /* enable display controller */ sm501_unit_power(dev->parent, SM501_GATE_DISPLAY, 1); @@ -1649,20 +1678,20 @@ static int sm501fb_init_fb(struct fb_info *fb, switch (head) { case HEAD_CRT: pd = info->pdata->fb_crt; - ctrl = readl(info->regs + SM501_DC_CRT_CONTROL); + ctrl = smc501_readl(info->regs + SM501_DC_CRT_CONTROL); enable = (ctrl & SM501_DC_CRT_CONTROL_ENABLE) ? 1 : 0; /* ensure we set the correct source register */ if (info->pdata->fb_route != SM501_FB_CRT_PANEL) { ctrl |= SM501_DC_CRT_CONTROL_SEL; - writel(ctrl, info->regs + SM501_DC_CRT_CONTROL); + smc501_writel(ctrl, info->regs + SM501_DC_CRT_CONTROL); } break; case HEAD_PANEL: pd = info->pdata->fb_pnl; - ctrl = readl(info->regs + SM501_DC_PANEL_CONTROL); + ctrl = smc501_readl(info->regs + SM501_DC_PANEL_CONTROL); enable = (ctrl & SM501_DC_PANEL_CONTROL_EN) ? 1 : 0; break; @@ -1680,7 +1709,7 @@ static int sm501fb_init_fb(struct fb_info *fb, if (head == HEAD_CRT && info->pdata->fb_route == SM501_FB_CRT_PANEL) { ctrl &= ~SM501_DC_CRT_CONTROL_SEL; - writel(ctrl, info->regs + SM501_DC_CRT_CONTROL); + smc501_writel(ctrl, info->regs + SM501_DC_CRT_CONTROL); enable = 0; } @@ -1700,6 +1729,15 @@ static int sm501fb_init_fb(struct fb_info *fb, FBINFO_HWACCEL_COPYAREA | FBINFO_HWACCEL_FILLRECT | FBINFO_HWACCEL_XPAN | FBINFO_HWACCEL_YPAN; +#if defined(CONFIG_OF) +#ifdef __BIG_ENDIAN + if (of_get_property(info->dev->parent->of_node, "little-endian", NULL)) + fb->flags |= FBINFO_FOREIGN_ENDIAN; +#else + if (of_get_property(info->dev->parent->of_node, "big-endian", NULL)) + fb->flags |= FBINFO_FOREIGN_ENDIAN; +#endif +#endif /* fixed data */ fb->fix.type = FB_TYPE_PACKED_PIXELS; @@ -1717,9 +1755,16 @@ static int sm501fb_init_fb(struct fb_info *fb, fb->var.vmode = FB_VMODE_NONINTERLACED; fb->var.bits_per_pixel = 16; + if (info->edid_data) { + /* Now build modedb from EDID */ + fb_edid_to_monspecs(info->edid_data, &fb->monspecs); + fb_videomode_to_modelist(fb->monspecs.modedb, + fb->monspecs.modedb_len, + &fb->modelist); + } + if (enable && (pd->flags & SM501FB_FLAG_USE_INIT_MODE) && 0) { /* TODO read the mode from the current display */ - } else { if (pd->def_mode) { dev_info(info->dev, "using supplied mode\n"); @@ -1729,12 +1774,37 @@ static int sm501fb_init_fb(struct fb_info *fb, fb->var.xres_virtual = fb->var.xres; fb->var.yres_virtual = fb->var.yres; } else { - ret = fb_find_mode(&fb->var, fb, + if (info->edid_data) { + ret = fb_find_mode(&fb->var, fb, fb_mode, + fb->monspecs.modedb, + fb->monspecs.modedb_len, + &sm501_default_mode, default_bpp); + /* edid_data is no longer needed, free it */ + kfree(info->edid_data); + } else { + ret = fb_find_mode(&fb->var, fb, NULL, NULL, 0, NULL, 8); + } - if (ret == 0 || ret == 4) { - dev_err(info->dev, - "failed to get initial mode\n"); + switch (ret) { + case 1: + dev_info(info->dev, "using mode specified in " + "@mode\n"); + break; + case 2: + dev_info(info->dev, "using mode specified in " + "@mode with ignored refresh rate\n"); + break; + case 3: + dev_info(info->dev, "using mode default " + "mode\n"); + break; + case 4: + dev_info(info->dev, "using mode from list\n"); + break; + default: + dev_info(info->dev, "ret = %d\n", ret); + dev_info(info->dev, "failed to find mode\n"); return -EINVAL; } } @@ -1875,8 +1945,32 @@ static int __devinit sm501fb_probe(struct platform_device *pdev) } if (info->pdata == NULL) { - dev_info(dev, "using default configuration data\n"); + int found = 0; +#if defined(CONFIG_OF) + struct device_node *np = pdev->dev.parent->of_node; + const u8 *prop; + const char *cp; + int len; + info->pdata = &sm501fb_def_pdata; + if (np) { + /* Get EDID */ + cp = of_get_property(np, "mode", &len); + if (cp) + strcpy(fb_mode, cp); + prop = of_get_property(np, "edid", &len); + if (prop && len == EDID_LENGTH) { + info->edid_data = kmemdup(prop, EDID_LENGTH, + GFP_KERNEL); + if (info->edid_data) + found = 1; + } + } +#endif + if (!found) { + dev_info(dev, "using default configuration data\n"); + info->pdata = &sm501fb_def_pdata; + } } /* probe for the presence of each panel */ @@ -2085,7 +2179,7 @@ static int sm501fb_suspend(struct platform_device *pdev, pm_message_t state) struct sm501fb_info *info = platform_get_drvdata(pdev); /* store crt control to resume with */ - info->pm_crt_ctrl = readl(info->regs + SM501_DC_CRT_CONTROL); + info->pm_crt_ctrl = smc501_readl(info->regs + SM501_DC_CRT_CONTROL); sm501fb_suspend_fb(info, HEAD_CRT); sm501fb_suspend_fb(info, HEAD_PANEL); @@ -2109,10 +2203,10 @@ static int sm501fb_resume(struct platform_device *pdev) /* restore the items we want to be saved for crt control */ - crt_ctrl = readl(info->regs + SM501_DC_CRT_CONTROL); + crt_ctrl = smc501_readl(info->regs + SM501_DC_CRT_CONTROL); crt_ctrl &= ~SM501_CRT_CTRL_SAVE; crt_ctrl |= info->pm_crt_ctrl & SM501_CRT_CTRL_SAVE; - writel(crt_ctrl, info->regs + SM501_DC_CRT_CONTROL); + smc501_writel(crt_ctrl, info->regs + SM501_DC_CRT_CONTROL); sm501fb_resume_fb(info, HEAD_CRT); sm501fb_resume_fb(info, HEAD_PANEL); @@ -2149,6 +2243,11 @@ static void __exit sm501fb_cleanup(void) module_init(sm501fb_init); module_exit(sm501fb_cleanup); +module_param_named(mode, fb_mode, charp, 0); +MODULE_PARM_DESC(mode, + "Specify resolution as \"<xres>x<yres>[-<bpp>][@<refresh>]\" "); +module_param_named(bpp, default_bpp, ulong, 0); +MODULE_PARM_DESC(bpp, "Specify bit-per-pixel if not specified mode"); MODULE_AUTHOR("Ben Dooks, Vincent Sanders"); MODULE_DESCRIPTION("SM501 Framebuffer driver"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/video/svgalib.c b/drivers/video/svgalib.c index fdb4567..33df9ec 100644 --- a/drivers/video/svgalib.c +++ b/drivers/video/svgalib.c @@ -20,12 +20,12 @@ /* Write a CRT register value spread across multiple registers */ -void svga_wcrt_multi(const struct vga_regset *regset, u32 value) { - +void svga_wcrt_multi(void __iomem *regbase, const struct vga_regset *regset, u32 value) +{ u8 regval, bitval, bitnum; while (regset->regnum != VGA_REGSET_END_VAL) { - regval = vga_rcrt(NULL, regset->regnum); + regval = vga_rcrt(regbase, regset->regnum); bitnum = regset->lowbit; while (bitnum <= regset->highbit) { bitval = 1 << bitnum; @@ -34,18 +34,18 @@ void svga_wcrt_multi(const struct vga_regset *regset, u32 value) { bitnum ++; value = value >> 1; } - vga_wcrt(NULL, regset->regnum, regval); + vga_wcrt(regbase, regset->regnum, regval); regset ++; } } /* Write a sequencer register value spread across multiple registers */ -void svga_wseq_multi(const struct vga_regset *regset, u32 value) { - +void svga_wseq_multi(void __iomem *regbase, const struct vga_regset *regset, u32 value) +{ u8 regval, bitval, bitnum; while (regset->regnum != VGA_REGSET_END_VAL) { - regval = vga_rseq(NULL, regset->regnum); + regval = vga_rseq(regbase, regset->regnum); bitnum = regset->lowbit; while (bitnum <= regset->highbit) { bitval = 1 << bitnum; @@ -54,7 +54,7 @@ void svga_wseq_multi(const struct vga_regset *regset, u32 value) { bitnum ++; value = value >> 1; } - vga_wseq(NULL, regset->regnum, regval); + vga_wseq(regbase, regset->regnum, regval); regset ++; } } @@ -75,95 +75,95 @@ static unsigned int svga_regset_size(const struct vga_regset *regset) /* Set graphics controller registers to sane values */ -void svga_set_default_gfx_regs(void) +void svga_set_default_gfx_regs(void __iomem *regbase) { /* All standard GFX registers (GR00 - GR08) */ - vga_wgfx(NULL, VGA_GFX_SR_VALUE, 0x00); - vga_wgfx(NULL, VGA_GFX_SR_ENABLE, 0x00); - vga_wgfx(NULL, VGA_GFX_COMPARE_VALUE, 0x00); - vga_wgfx(NULL, VGA_GFX_DATA_ROTATE, 0x00); - vga_wgfx(NULL, VGA_GFX_PLANE_READ, 0x00); - vga_wgfx(NULL, VGA_GFX_MODE, 0x00); -/* vga_wgfx(NULL, VGA_GFX_MODE, 0x20); */ -/* vga_wgfx(NULL, VGA_GFX_MODE, 0x40); */ - vga_wgfx(NULL, VGA_GFX_MISC, 0x05); -/* vga_wgfx(NULL, VGA_GFX_MISC, 0x01); */ - vga_wgfx(NULL, VGA_GFX_COMPARE_MASK, 0x0F); - vga_wgfx(NULL, VGA_GFX_BIT_MASK, 0xFF); + vga_wgfx(regbase, VGA_GFX_SR_VALUE, 0x00); + vga_wgfx(regbase, VGA_GFX_SR_ENABLE, 0x00); + vga_wgfx(regbase, VGA_GFX_COMPARE_VALUE, 0x00); + vga_wgfx(regbase, VGA_GFX_DATA_ROTATE, 0x00); + vga_wgfx(regbase, VGA_GFX_PLANE_READ, 0x00); + vga_wgfx(regbase, VGA_GFX_MODE, 0x00); +/* vga_wgfx(regbase, VGA_GFX_MODE, 0x20); */ +/* vga_wgfx(regbase, VGA_GFX_MODE, 0x40); */ + vga_wgfx(regbase, VGA_GFX_MISC, 0x05); +/* vga_wgfx(regbase, VGA_GFX_MISC, 0x01); */ + vga_wgfx(regbase, VGA_GFX_COMPARE_MASK, 0x0F); + vga_wgfx(regbase, VGA_GFX_BIT_MASK, 0xFF); } /* Set attribute controller registers to sane values */ -void svga_set_default_atc_regs(void) +void svga_set_default_atc_regs(void __iomem *regbase) { u8 count; - vga_r(NULL, 0x3DA); - vga_w(NULL, VGA_ATT_W, 0x00); + vga_r(regbase, 0x3DA); + vga_w(regbase, VGA_ATT_W, 0x00); /* All standard ATC registers (AR00 - AR14) */ for (count = 0; count <= 0xF; count ++) - svga_wattr(count, count); + svga_wattr(regbase, count, count); - svga_wattr(VGA_ATC_MODE, 0x01); -/* svga_wattr(VGA_ATC_MODE, 0x41); */ - svga_wattr(VGA_ATC_OVERSCAN, 0x00); - svga_wattr(VGA_ATC_PLANE_ENABLE, 0x0F); - svga_wattr(VGA_ATC_PEL, 0x00); - svga_wattr(VGA_ATC_COLOR_PAGE, 0x00); + svga_wattr(regbase, VGA_ATC_MODE, 0x01); +/* svga_wattr(regbase, VGA_ATC_MODE, 0x41); */ + svga_wattr(regbase, VGA_ATC_OVERSCAN, 0x00); + svga_wattr(regbase, VGA_ATC_PLANE_ENABLE, 0x0F); + svga_wattr(regbase, VGA_ATC_PEL, 0x00); + svga_wattr(regbase, VGA_ATC_COLOR_PAGE, 0x00); - vga_r(NULL, 0x3DA); - vga_w(NULL, VGA_ATT_W, 0x20); + vga_r(regbase, 0x3DA); + vga_w(regbase, VGA_ATT_W, 0x20); } /* Set sequencer registers to sane values */ -void svga_set_default_seq_regs(void) +void svga_set_default_seq_regs(void __iomem *regbase) { /* Standard sequencer registers (SR01 - SR04), SR00 is not set */ - vga_wseq(NULL, VGA_SEQ_CLOCK_MODE, VGA_SR01_CHAR_CLK_8DOTS); - vga_wseq(NULL, VGA_SEQ_PLANE_WRITE, VGA_SR02_ALL_PLANES); - vga_wseq(NULL, VGA_SEQ_CHARACTER_MAP, 0x00); -/* vga_wseq(NULL, VGA_SEQ_MEMORY_MODE, VGA_SR04_EXT_MEM | VGA_SR04_SEQ_MODE | VGA_SR04_CHN_4M); */ - vga_wseq(NULL, VGA_SEQ_MEMORY_MODE, VGA_SR04_EXT_MEM | VGA_SR04_SEQ_MODE); + vga_wseq(regbase, VGA_SEQ_CLOCK_MODE, VGA_SR01_CHAR_CLK_8DOTS); + vga_wseq(regbase, VGA_SEQ_PLANE_WRITE, VGA_SR02_ALL_PLANES); + vga_wseq(regbase, VGA_SEQ_CHARACTER_MAP, 0x00); +/* vga_wseq(regbase, VGA_SEQ_MEMORY_MODE, VGA_SR04_EXT_MEM | VGA_SR04_SEQ_MODE | VGA_SR04_CHN_4M); */ + vga_wseq(regbase, VGA_SEQ_MEMORY_MODE, VGA_SR04_EXT_MEM | VGA_SR04_SEQ_MODE); } /* Set CRTC registers to sane values */ -void svga_set_default_crt_regs(void) +void svga_set_default_crt_regs(void __iomem *regbase) { /* Standard CRT registers CR03 CR08 CR09 CR14 CR17 */ - svga_wcrt_mask(0x03, 0x80, 0x80); /* Enable vertical retrace EVRA */ - vga_wcrt(NULL, VGA_CRTC_PRESET_ROW, 0); - svga_wcrt_mask(VGA_CRTC_MAX_SCAN, 0, 0x1F); - vga_wcrt(NULL, VGA_CRTC_UNDERLINE, 0); - vga_wcrt(NULL, VGA_CRTC_MODE, 0xE3); + svga_wcrt_mask(regbase, 0x03, 0x80, 0x80); /* Enable vertical retrace EVRA */ + vga_wcrt(regbase, VGA_CRTC_PRESET_ROW, 0); + svga_wcrt_mask(regbase, VGA_CRTC_MAX_SCAN, 0, 0x1F); + vga_wcrt(regbase, VGA_CRTC_UNDERLINE, 0); + vga_wcrt(regbase, VGA_CRTC_MODE, 0xE3); } -void svga_set_textmode_vga_regs(void) +void svga_set_textmode_vga_regs(void __iomem *regbase) { - /* svga_wseq_mask(0x1, 0x00, 0x01); */ /* Switch 8/9 pixel per char */ - vga_wseq(NULL, VGA_SEQ_MEMORY_MODE, VGA_SR04_EXT_MEM); - vga_wseq(NULL, VGA_SEQ_PLANE_WRITE, 0x03); + /* svga_wseq_mask(regbase, 0x1, 0x00, 0x01); */ /* Switch 8/9 pixel per char */ + vga_wseq(regbase, VGA_SEQ_MEMORY_MODE, VGA_SR04_EXT_MEM); + vga_wseq(regbase, VGA_SEQ_PLANE_WRITE, 0x03); - vga_wcrt(NULL, VGA_CRTC_MAX_SCAN, 0x0f); /* 0x4f */ - vga_wcrt(NULL, VGA_CRTC_UNDERLINE, 0x1f); - svga_wcrt_mask(VGA_CRTC_MODE, 0x23, 0x7f); + vga_wcrt(regbase, VGA_CRTC_MAX_SCAN, 0x0f); /* 0x4f */ + vga_wcrt(regbase, VGA_CRTC_UNDERLINE, 0x1f); + svga_wcrt_mask(regbase, VGA_CRTC_MODE, 0x23, 0x7f); - vga_wcrt(NULL, VGA_CRTC_CURSOR_START, 0x0d); - vga_wcrt(NULL, VGA_CRTC_CURSOR_END, 0x0e); - vga_wcrt(NULL, VGA_CRTC_CURSOR_HI, 0x00); - vga_wcrt(NULL, VGA_CRTC_CURSOR_LO, 0x00); + vga_wcrt(regbase, VGA_CRTC_CURSOR_START, 0x0d); + vga_wcrt(regbase, VGA_CRTC_CURSOR_END, 0x0e); + vga_wcrt(regbase, VGA_CRTC_CURSOR_HI, 0x00); + vga_wcrt(regbase, VGA_CRTC_CURSOR_LO, 0x00); - vga_wgfx(NULL, VGA_GFX_MODE, 0x10); /* Odd/even memory mode */ - vga_wgfx(NULL, VGA_GFX_MISC, 0x0E); /* Misc graphics register - text mode enable */ - vga_wgfx(NULL, VGA_GFX_COMPARE_MASK, 0x00); + vga_wgfx(regbase, VGA_GFX_MODE, 0x10); /* Odd/even memory mode */ + vga_wgfx(regbase, VGA_GFX_MISC, 0x0E); /* Misc graphics register - text mode enable */ + vga_wgfx(regbase, VGA_GFX_COMPARE_MASK, 0x00); - vga_r(NULL, 0x3DA); - vga_w(NULL, VGA_ATT_W, 0x00); + vga_r(regbase, 0x3DA); + vga_w(regbase, VGA_ATT_W, 0x00); - svga_wattr(0x10, 0x0C); /* Attribute Mode Control Register - text mode, blinking and line graphics */ - svga_wattr(0x13, 0x08); /* Horizontal Pixel Panning Register */ + svga_wattr(regbase, 0x10, 0x0C); /* Attribute Mode Control Register - text mode, blinking and line graphics */ + svga_wattr(regbase, 0x13, 0x08); /* Horizontal Pixel Panning Register */ - vga_r(NULL, 0x3DA); - vga_w(NULL, VGA_ATT_W, 0x20); + vga_r(regbase, 0x3DA); + vga_w(regbase, VGA_ATT_W, 0x20); } #if 0 @@ -299,7 +299,7 @@ void svga_tileblit(struct fb_info *info, struct fb_tileblit *blit) } /* Set cursor in text (tileblit) mode */ -void svga_tilecursor(struct fb_info *info, struct fb_tilecursor *cursor) +void svga_tilecursor(void __iomem *regbase, struct fb_info *info, struct fb_tilecursor *cursor) { u8 cs = 0x0d; u8 ce = 0x0e; @@ -310,7 +310,7 @@ void svga_tilecursor(struct fb_info *info, struct fb_tilecursor *cursor) if (! cursor -> mode) return; - svga_wcrt_mask(0x0A, 0x20, 0x20); /* disable cursor */ + svga_wcrt_mask(regbase, 0x0A, 0x20, 0x20); /* disable cursor */ if (cursor -> shape == FB_TILE_CURSOR_NONE) return; @@ -334,11 +334,11 @@ void svga_tilecursor(struct fb_info *info, struct fb_tilecursor *cursor) } /* set cursor position */ - vga_wcrt(NULL, 0x0E, pos >> 8); - vga_wcrt(NULL, 0x0F, pos & 0xFF); + vga_wcrt(regbase, 0x0E, pos >> 8); + vga_wcrt(regbase, 0x0F, pos & 0xFF); - vga_wcrt(NULL, 0x0B, ce); /* set cursor end */ - vga_wcrt(NULL, 0x0A, cs); /* set cursor start and enable it */ + vga_wcrt(regbase, 0x0B, ce); /* set cursor end */ + vga_wcrt(regbase, 0x0A, cs); /* set cursor start and enable it */ } int svga_get_tilemax(struct fb_info *info) @@ -507,8 +507,9 @@ int svga_check_timings(const struct svga_timing_regs *tm, struct fb_var_screenin } /* Set CRT timing registers */ -void svga_set_timings(const struct svga_timing_regs *tm, struct fb_var_screeninfo *var, - u32 hmul, u32 hdiv, u32 vmul, u32 vdiv, u32 hborder, int node) +void svga_set_timings(void __iomem *regbase, const struct svga_timing_regs *tm, + struct fb_var_screeninfo *var, + u32 hmul, u32 hdiv, u32 vmul, u32 vdiv, u32 hborder, int node) { u8 regval; u32 value; @@ -516,66 +517,66 @@ void svga_set_timings(const struct svga_timing_regs *tm, struct fb_var_screeninf value = var->xres + var->left_margin + var->right_margin + var->hsync_len; value = (value * hmul) / hdiv; pr_debug("fb%d: horizontal total : %d\n", node, value); - svga_wcrt_multi(tm->h_total_regs, (value / 8) - 5); + svga_wcrt_multi(regbase, tm->h_total_regs, (value / 8) - 5); value = var->xres; value = (value * hmul) / hdiv; pr_debug("fb%d: horizontal display : %d\n", node, value); - svga_wcrt_multi(tm->h_display_regs, (value / 8) - 1); + svga_wcrt_multi(regbase, tm->h_display_regs, (value / 8) - 1); value = var->xres; value = (value * hmul) / hdiv; pr_debug("fb%d: horizontal blank start: %d\n", node, value); - svga_wcrt_multi(tm->h_blank_start_regs, (value / 8) - 1 + hborder); + svga_wcrt_multi(regbase, tm->h_blank_start_regs, (value / 8) - 1 + hborder); value = var->xres + var->left_margin + var->right_margin + var->hsync_len; value = (value * hmul) / hdiv; pr_debug("fb%d: horizontal blank end : %d\n", node, value); - svga_wcrt_multi(tm->h_blank_end_regs, (value / 8) - 1 - hborder); + svga_wcrt_multi(regbase, tm->h_blank_end_regs, (value / 8) - 1 - hborder); value = var->xres + var->right_margin; value = (value * hmul) / hdiv; pr_debug("fb%d: horizontal sync start : %d\n", node, value); - svga_wcrt_multi(tm->h_sync_start_regs, (value / 8)); + svga_wcrt_multi(regbase, tm->h_sync_start_regs, (value / 8)); value = var->xres + var->right_margin + var->hsync_len; value = (value * hmul) / hdiv; pr_debug("fb%d: horizontal sync end : %d\n", node, value); - svga_wcrt_multi(tm->h_sync_end_regs, (value / 8)); + svga_wcrt_multi(regbase, tm->h_sync_end_regs, (value / 8)); value = var->yres + var->upper_margin + var->lower_margin + var->vsync_len; value = (value * vmul) / vdiv; pr_debug("fb%d: vertical total : %d\n", node, value); - svga_wcrt_multi(tm->v_total_regs, value - 2); + svga_wcrt_multi(regbase, tm->v_total_regs, value - 2); value = var->yres; value = (value * vmul) / vdiv; pr_debug("fb%d: vertical display : %d\n", node, value); - svga_wcrt_multi(tm->v_display_regs, value - 1); + svga_wcrt_multi(regbase, tm->v_display_regs, value - 1); value = var->yres; value = (value * vmul) / vdiv; pr_debug("fb%d: vertical blank start : %d\n", node, value); - svga_wcrt_multi(tm->v_blank_start_regs, value); + svga_wcrt_multi(regbase, tm->v_blank_start_regs, value); value = var->yres + var->upper_margin + var->lower_margin + var->vsync_len; value = (value * vmul) / vdiv; pr_debug("fb%d: vertical blank end : %d\n", node, value); - svga_wcrt_multi(tm->v_blank_end_regs, value - 2); + svga_wcrt_multi(regbase, tm->v_blank_end_regs, value - 2); value = var->yres + var->lower_margin; value = (value * vmul) / vdiv; pr_debug("fb%d: vertical sync start : %d\n", node, value); - svga_wcrt_multi(tm->v_sync_start_regs, value); + svga_wcrt_multi(regbase, tm->v_sync_start_regs, value); value = var->yres + var->lower_margin + var->vsync_len; value = (value * vmul) / vdiv; pr_debug("fb%d: vertical sync end : %d\n", node, value); - svga_wcrt_multi(tm->v_sync_end_regs, value); + svga_wcrt_multi(regbase, tm->v_sync_end_regs, value); /* Set horizontal and vertical sync pulse polarity in misc register */ - regval = vga_r(NULL, VGA_MIS_R); + regval = vga_r(regbase, VGA_MIS_R); if (var->sync & FB_SYNC_HOR_HIGH_ACT) { pr_debug("fb%d: positive horizontal sync\n", node); regval = regval & ~0x80; @@ -590,7 +591,7 @@ void svga_set_timings(const struct svga_timing_regs *tm, struct fb_var_screeninf pr_debug("fb%d: negative vertical sync\n\n", node); regval = regval | 0x40; } - vga_w(NULL, VGA_MIS_W, regval); + vga_w(regbase, VGA_MIS_W, regval); } diff --git a/drivers/video/tcx.c b/drivers/video/tcx.c index 855b719..07c66e9 100644 --- a/drivers/video/tcx.c +++ b/drivers/video/tcx.c @@ -480,6 +480,7 @@ out_dealloc_cmap: out_unmap_regs: tcx_unmap_regs(op, info, par); + framebuffer_release(info); out_err: return err; diff --git a/drivers/video/uvesafb.c b/drivers/video/uvesafb.c index 5180a21..7f8472cc 100644 --- a/drivers/video/uvesafb.c +++ b/drivers/video/uvesafb.c @@ -1552,8 +1552,7 @@ static void __devinit uvesafb_init_mtrr(struct fb_info *info) int rc; /* Find the largest power-of-two */ - while (temp_size & (temp_size - 1)) - temp_size &= (temp_size - 1); + temp_size = roundup_pow_of_two(temp_size); /* Try and find a power of two to add */ do { @@ -1566,6 +1565,28 @@ static void __devinit uvesafb_init_mtrr(struct fb_info *info) #endif /* CONFIG_MTRR */ } +static void __devinit uvesafb_ioremap(struct fb_info *info) +{ +#ifdef CONFIG_X86 + switch (mtrr) { + case 1: /* uncachable */ + info->screen_base = ioremap_nocache(info->fix.smem_start, info->fix.smem_len); + break; + case 2: /* write-back */ + info->screen_base = ioremap_cache(info->fix.smem_start, info->fix.smem_len); + break; + case 3: /* write-combining */ + info->screen_base = ioremap_wc(info->fix.smem_start, info->fix.smem_len); + break; + case 4: /* write-through */ + default: + info->screen_base = ioremap(info->fix.smem_start, info->fix.smem_len); + break; + } +#else + info->screen_base = ioremap(info->fix.smem_start, info->fix.smem_len); +#endif /* CONFIG_X86 */ +} static ssize_t uvesafb_show_vbe_ver(struct device *dev, struct device_attribute *attr, char *buf) @@ -1736,15 +1757,22 @@ static int __devinit uvesafb_probe(struct platform_device *dev) uvesafb_init_info(info, mode); + if (!request_region(0x3c0, 32, "uvesafb")) { + printk(KERN_ERR "uvesafb: request region 0x3c0-0x3e0 failed\n"); + err = -EIO; + goto out_mode; + } + if (!request_mem_region(info->fix.smem_start, info->fix.smem_len, "uvesafb")) { printk(KERN_ERR "uvesafb: cannot reserve video memory at " "0x%lx\n", info->fix.smem_start); err = -EIO; - goto out_mode; + goto out_reg; } - info->screen_base = ioremap(info->fix.smem_start, info->fix.smem_len); + uvesafb_init_mtrr(info); + uvesafb_ioremap(info); if (!info->screen_base) { printk(KERN_ERR @@ -1755,20 +1783,13 @@ static int __devinit uvesafb_probe(struct platform_device *dev) goto out_mem; } - if (!request_region(0x3c0, 32, "uvesafb")) { - printk(KERN_ERR "uvesafb: request region 0x3c0-0x3e0 failed\n"); - err = -EIO; - goto out_unmap; - } - - uvesafb_init_mtrr(info); platform_set_drvdata(dev, info); if (register_framebuffer(info) < 0) { printk(KERN_ERR "uvesafb: failed to register framebuffer device\n"); err = -EINVAL; - goto out_reg; + goto out_unmap; } printk(KERN_INFO "uvesafb: framebuffer at 0x%lx, mapped to 0x%p, " @@ -1785,12 +1806,12 @@ static int __devinit uvesafb_probe(struct platform_device *dev) return 0; -out_reg: - release_region(0x3c0, 32); out_unmap: iounmap(info->screen_base); out_mem: release_mem_region(info->fix.smem_start, info->fix.smem_len); +out_reg: + release_region(0x3c0, 32); out_mode: if (!list_empty(&info->modelist)) fb_destroy_modelist(&info->modelist); diff --git a/drivers/video/vermilion/vermilion.c b/drivers/video/vermilion/vermilion.c index 931a567..970e43d 100644 --- a/drivers/video/vermilion/vermilion.c +++ b/drivers/video/vermilion/vermilion.c @@ -891,8 +891,7 @@ static int vmlfb_set_par(struct fb_info *info) int ret; mutex_lock(&vml_mutex); - list_del(&vinfo->head); - list_add(&vinfo->head, (subsys) ? &global_has_mode : &global_no_mode); + list_move(&vinfo->head, (subsys) ? &global_has_mode : &global_no_mode); ret = vmlfb_set_par_locked(vinfo); mutex_unlock(&vml_mutex); diff --git a/drivers/video/vesafb.c b/drivers/video/vesafb.c index 6a069d0..a99bbe8 100644 --- a/drivers/video/vesafb.c +++ b/drivers/video/vesafb.c @@ -303,19 +303,6 @@ static int __init vesafb_probe(struct platform_device *dev) info->apertures->ranges[0].base = screen_info.lfb_base; info->apertures->ranges[0].size = size_total; - info->screen_base = ioremap(vesafb_fix.smem_start, vesafb_fix.smem_len); - if (!info->screen_base) { - printk(KERN_ERR - "vesafb: abort, cannot ioremap video memory 0x%x @ 0x%lx\n", - vesafb_fix.smem_len, vesafb_fix.smem_start); - err = -EIO; - goto err; - } - - printk(KERN_INFO "vesafb: framebuffer at 0x%lx, mapped to 0x%p, " - "using %dk, total %dk\n", - vesafb_fix.smem_start, info->screen_base, - size_remap/1024, size_total/1024); printk(KERN_INFO "vesafb: mode is %dx%dx%d, linelength=%d, pages=%d\n", vesafb_defined.xres, vesafb_defined.yres, vesafb_defined.bits_per_pixel, vesafb_fix.line_length, screen_info.pages); @@ -438,8 +425,7 @@ static int __init vesafb_probe(struct platform_device *dev) int rc; /* Find the largest power-of-two */ - while (temp_size & (temp_size - 1)) - temp_size &= (temp_size - 1); + temp_size = roundup_pow_of_two(temp_size); /* Try and find a power of two to add */ do { @@ -451,6 +437,34 @@ static int __init vesafb_probe(struct platform_device *dev) } #endif + switch (mtrr) { + case 1: /* uncachable */ + info->screen_base = ioremap_nocache(vesafb_fix.smem_start, vesafb_fix.smem_len); + break; + case 2: /* write-back */ + info->screen_base = ioremap_cache(vesafb_fix.smem_start, vesafb_fix.smem_len); + break; + case 3: /* write-combining */ + info->screen_base = ioremap_wc(vesafb_fix.smem_start, vesafb_fix.smem_len); + break; + case 4: /* write-through */ + default: + info->screen_base = ioremap(vesafb_fix.smem_start, vesafb_fix.smem_len); + break; + } + if (!info->screen_base) { + printk(KERN_ERR + "vesafb: abort, cannot ioremap video memory 0x%x @ 0x%lx\n", + vesafb_fix.smem_len, vesafb_fix.smem_start); + err = -EIO; + goto err; + } + + printk(KERN_INFO "vesafb: framebuffer at 0x%lx, mapped to 0x%p, " + "using %dk, total %dk\n", + vesafb_fix.smem_start, info->screen_base, + size_remap/1024, size_total/1024); + info->fbops = &vesafb_ops; info->var = vesafb_defined; info->fix = vesafb_fix; diff --git a/drivers/video/vt8623fb.c b/drivers/video/vt8623fb.c index a2965ab..f9b3e3d 100644 --- a/drivers/video/vt8623fb.c +++ b/drivers/video/vt8623fb.c @@ -121,13 +121,19 @@ MODULE_PARM_DESC(mtrr, "Enable write-combining with MTRR (1=enable, 0=disable, d /* ------------------------------------------------------------------------- */ +static void vt8623fb_tilecursor(struct fb_info *info, struct fb_tilecursor *cursor) +{ + struct vt8623fb_info *par = info->par; + + svga_tilecursor(par->state.vgabase, info, cursor); +} static struct fb_tile_ops vt8623fb_tile_ops = { .fb_settile = svga_settile, .fb_tilecopy = svga_tilecopy, .fb_tilefill = svga_tilefill, .fb_tileblit = svga_tileblit, - .fb_tilecursor = svga_tilecursor, + .fb_tilecursor = vt8623fb_tilecursor, .fb_get_tilemax = svga_get_tilemax, }; @@ -253,6 +259,7 @@ static void vt8623fb_fillrect(struct fb_info *info, const struct fb_fillrect *re static void vt8623_set_pixclock(struct fb_info *info, u32 pixclock) { + struct vt8623fb_info *par = info->par; u16 m, n, r; u8 regval; int rv; @@ -264,18 +271,18 @@ static void vt8623_set_pixclock(struct fb_info *info, u32 pixclock) } /* Set VGA misc register */ - regval = vga_r(NULL, VGA_MIS_R); - vga_w(NULL, VGA_MIS_W, regval | VGA_MIS_ENB_PLL_LOAD); + regval = vga_r(par->state.vgabase, VGA_MIS_R); + vga_w(par->state.vgabase, VGA_MIS_W, regval | VGA_MIS_ENB_PLL_LOAD); /* Set clock registers */ - vga_wseq(NULL, 0x46, (n | (r << 6))); - vga_wseq(NULL, 0x47, m); + vga_wseq(par->state.vgabase, 0x46, (n | (r << 6))); + vga_wseq(par->state.vgabase, 0x47, m); udelay(1000); /* PLL reset */ - svga_wseq_mask(0x40, 0x02, 0x02); - svga_wseq_mask(0x40, 0x00, 0x02); + svga_wseq_mask(par->state.vgabase, 0x40, 0x02, 0x02); + svga_wseq_mask(par->state.vgabase, 0x40, 0x00, 0x02); } @@ -285,7 +292,10 @@ static int vt8623fb_open(struct fb_info *info, int user) mutex_lock(&(par->open_lock)); if (par->ref_count == 0) { + void __iomem *vgabase = par->state.vgabase; + memset(&(par->state), 0, sizeof(struct vgastate)); + par->state.vgabase = vgabase; par->state.flags = VGA_SAVE_MODE | VGA_SAVE_FONTS | VGA_SAVE_CMAP; par->state.num_crtc = 0xA2; par->state.num_seq = 0x50; @@ -373,6 +383,7 @@ static int vt8623fb_check_var(struct fb_var_screeninfo *var, struct fb_info *inf static int vt8623fb_set_par(struct fb_info *info) { u32 mode, offset_value, fetch_value, screen_size; + struct vt8623fb_info *par = info->par; u32 bpp = info->var.bits_per_pixel; if (bpp != 0) { @@ -414,82 +425,82 @@ static int vt8623fb_set_par(struct fb_info *info) info->var.activate = FB_ACTIVATE_NOW; /* Unlock registers */ - svga_wseq_mask(0x10, 0x01, 0x01); - svga_wcrt_mask(0x11, 0x00, 0x80); - svga_wcrt_mask(0x47, 0x00, 0x01); + svga_wseq_mask(par->state.vgabase, 0x10, 0x01, 0x01); + svga_wcrt_mask(par->state.vgabase, 0x11, 0x00, 0x80); + svga_wcrt_mask(par->state.vgabase, 0x47, 0x00, 0x01); /* Device, screen and sync off */ - svga_wseq_mask(0x01, 0x20, 0x20); - svga_wcrt_mask(0x36, 0x30, 0x30); - svga_wcrt_mask(0x17, 0x00, 0x80); + svga_wseq_mask(par->state.vgabase, 0x01, 0x20, 0x20); + svga_wcrt_mask(par->state.vgabase, 0x36, 0x30, 0x30); + svga_wcrt_mask(par->state.vgabase, 0x17, 0x00, 0x80); /* Set default values */ - svga_set_default_gfx_regs(); - svga_set_default_atc_regs(); - svga_set_default_seq_regs(); - svga_set_default_crt_regs(); - svga_wcrt_multi(vt8623_line_compare_regs, 0xFFFFFFFF); - svga_wcrt_multi(vt8623_start_address_regs, 0); + svga_set_default_gfx_regs(par->state.vgabase); + svga_set_default_atc_regs(par->state.vgabase); + svga_set_default_seq_regs(par->state.vgabase); + svga_set_default_crt_regs(par->state.vgabase); + svga_wcrt_multi(par->state.vgabase, vt8623_line_compare_regs, 0xFFFFFFFF); + svga_wcrt_multi(par->state.vgabase, vt8623_start_address_regs, 0); - svga_wcrt_multi(vt8623_offset_regs, offset_value); - svga_wseq_multi(vt8623_fetch_count_regs, fetch_value); + svga_wcrt_multi(par->state.vgabase, vt8623_offset_regs, offset_value); + svga_wseq_multi(par->state.vgabase, vt8623_fetch_count_regs, fetch_value); /* Clear H/V Skew */ - svga_wcrt_mask(0x03, 0x00, 0x60); - svga_wcrt_mask(0x05, 0x00, 0x60); + svga_wcrt_mask(par->state.vgabase, 0x03, 0x00, 0x60); + svga_wcrt_mask(par->state.vgabase, 0x05, 0x00, 0x60); if (info->var.vmode & FB_VMODE_DOUBLE) - svga_wcrt_mask(0x09, 0x80, 0x80); + svga_wcrt_mask(par->state.vgabase, 0x09, 0x80, 0x80); else - svga_wcrt_mask(0x09, 0x00, 0x80); + svga_wcrt_mask(par->state.vgabase, 0x09, 0x00, 0x80); - svga_wseq_mask(0x1E, 0xF0, 0xF0); // DI/DVP bus - svga_wseq_mask(0x2A, 0x0F, 0x0F); // DI/DVP bus - svga_wseq_mask(0x16, 0x08, 0xBF); // FIFO read threshold - vga_wseq(NULL, 0x17, 0x1F); // FIFO depth - vga_wseq(NULL, 0x18, 0x4E); - svga_wseq_mask(0x1A, 0x08, 0x08); // enable MMIO ? + svga_wseq_mask(par->state.vgabase, 0x1E, 0xF0, 0xF0); // DI/DVP bus + svga_wseq_mask(par->state.vgabase, 0x2A, 0x0F, 0x0F); // DI/DVP bus + svga_wseq_mask(par->state.vgabase, 0x16, 0x08, 0xBF); // FIFO read threshold + vga_wseq(par->state.vgabase, 0x17, 0x1F); // FIFO depth + vga_wseq(par->state.vgabase, 0x18, 0x4E); + svga_wseq_mask(par->state.vgabase, 0x1A, 0x08, 0x08); // enable MMIO ? - vga_wcrt(NULL, 0x32, 0x00); - vga_wcrt(NULL, 0x34, 0x00); - vga_wcrt(NULL, 0x6A, 0x80); - vga_wcrt(NULL, 0x6A, 0xC0); + vga_wcrt(par->state.vgabase, 0x32, 0x00); + vga_wcrt(par->state.vgabase, 0x34, 0x00); + vga_wcrt(par->state.vgabase, 0x6A, 0x80); + vga_wcrt(par->state.vgabase, 0x6A, 0xC0); - vga_wgfx(NULL, 0x20, 0x00); - vga_wgfx(NULL, 0x21, 0x00); - vga_wgfx(NULL, 0x22, 0x00); + vga_wgfx(par->state.vgabase, 0x20, 0x00); + vga_wgfx(par->state.vgabase, 0x21, 0x00); + vga_wgfx(par->state.vgabase, 0x22, 0x00); /* Set SR15 according to number of bits per pixel */ mode = svga_match_format(vt8623fb_formats, &(info->var), &(info->fix)); switch (mode) { case 0: pr_debug("fb%d: text mode\n", info->node); - svga_set_textmode_vga_regs(); - svga_wseq_mask(0x15, 0x00, 0xFE); - svga_wcrt_mask(0x11, 0x60, 0x70); + svga_set_textmode_vga_regs(par->state.vgabase); + svga_wseq_mask(par->state.vgabase, 0x15, 0x00, 0xFE); + svga_wcrt_mask(par->state.vgabase, 0x11, 0x60, 0x70); break; case 1: pr_debug("fb%d: 4 bit pseudocolor\n", info->node); - vga_wgfx(NULL, VGA_GFX_MODE, 0x40); - svga_wseq_mask(0x15, 0x20, 0xFE); - svga_wcrt_mask(0x11, 0x00, 0x70); + vga_wgfx(par->state.vgabase, VGA_GFX_MODE, 0x40); + svga_wseq_mask(par->state.vgabase, 0x15, 0x20, 0xFE); + svga_wcrt_mask(par->state.vgabase, 0x11, 0x00, 0x70); break; case 2: pr_debug("fb%d: 4 bit pseudocolor, planar\n", info->node); - svga_wseq_mask(0x15, 0x00, 0xFE); - svga_wcrt_mask(0x11, 0x00, 0x70); + svga_wseq_mask(par->state.vgabase, 0x15, 0x00, 0xFE); + svga_wcrt_mask(par->state.vgabase, 0x11, 0x00, 0x70); break; case 3: pr_debug("fb%d: 8 bit pseudocolor\n", info->node); - svga_wseq_mask(0x15, 0x22, 0xFE); + svga_wseq_mask(par->state.vgabase, 0x15, 0x22, 0xFE); break; case 4: pr_debug("fb%d: 5/6/5 truecolor\n", info->node); - svga_wseq_mask(0x15, 0xB6, 0xFE); + svga_wseq_mask(par->state.vgabase, 0x15, 0xB6, 0xFE); break; case 5: pr_debug("fb%d: 8/8/8 truecolor\n", info->node); - svga_wseq_mask(0x15, 0xAE, 0xFE); + svga_wseq_mask(par->state.vgabase, 0x15, 0xAE, 0xFE); break; default: printk(KERN_ERR "vt8623fb: unsupported mode - bug\n"); @@ -497,16 +508,16 @@ static int vt8623fb_set_par(struct fb_info *info) } vt8623_set_pixclock(info, info->var.pixclock); - svga_set_timings(&vt8623_timing_regs, &(info->var), 1, 1, + svga_set_timings(par->state.vgabase, &vt8623_timing_regs, &(info->var), 1, 1, (info->var.vmode & FB_VMODE_DOUBLE) ? 2 : 1, 1, 1, info->node); memset_io(info->screen_base, 0x00, screen_size); /* Device and screen back on */ - svga_wcrt_mask(0x17, 0x80, 0x80); - svga_wcrt_mask(0x36, 0x00, 0x30); - svga_wseq_mask(0x01, 0x00, 0x20); + svga_wcrt_mask(par->state.vgabase, 0x17, 0x80, 0x80); + svga_wcrt_mask(par->state.vgabase, 0x36, 0x00, 0x30); + svga_wseq_mask(par->state.vgabase, 0x01, 0x00, 0x20); return 0; } @@ -569,31 +580,33 @@ static int vt8623fb_setcolreg(u_int regno, u_int red, u_int green, u_int blue, static int vt8623fb_blank(int blank_mode, struct fb_info *info) { + struct vt8623fb_info *par = info->par; + switch (blank_mode) { case FB_BLANK_UNBLANK: pr_debug("fb%d: unblank\n", info->node); - svga_wcrt_mask(0x36, 0x00, 0x30); - svga_wseq_mask(0x01, 0x00, 0x20); + svga_wcrt_mask(par->state.vgabase, 0x36, 0x00, 0x30); + svga_wseq_mask(par->state.vgabase, 0x01, 0x00, 0x20); break; case FB_BLANK_NORMAL: pr_debug("fb%d: blank\n", info->node); - svga_wcrt_mask(0x36, 0x00, 0x30); - svga_wseq_mask(0x01, 0x20, 0x20); + svga_wcrt_mask(par->state.vgabase, 0x36, 0x00, 0x30); + svga_wseq_mask(par->state.vgabase, 0x01, 0x20, 0x20); break; case FB_BLANK_HSYNC_SUSPEND: pr_debug("fb%d: DPMS standby (hsync off)\n", info->node); - svga_wcrt_mask(0x36, 0x10, 0x30); - svga_wseq_mask(0x01, 0x20, 0x20); + svga_wcrt_mask(par->state.vgabase, 0x36, 0x10, 0x30); + svga_wseq_mask(par->state.vgabase, 0x01, 0x20, 0x20); break; case FB_BLANK_VSYNC_SUSPEND: pr_debug("fb%d: DPMS suspend (vsync off)\n", info->node); - svga_wcrt_mask(0x36, 0x20, 0x30); - svga_wseq_mask(0x01, 0x20, 0x20); + svga_wcrt_mask(par->state.vgabase, 0x36, 0x20, 0x30); + svga_wseq_mask(par->state.vgabase, 0x01, 0x20, 0x20); break; case FB_BLANK_POWERDOWN: pr_debug("fb%d: DPMS off (no sync)\n", info->node); - svga_wcrt_mask(0x36, 0x30, 0x30); - svga_wseq_mask(0x01, 0x20, 0x20); + svga_wcrt_mask(par->state.vgabase, 0x36, 0x30, 0x30); + svga_wseq_mask(par->state.vgabase, 0x01, 0x20, 0x20); break; } @@ -603,6 +616,7 @@ static int vt8623fb_blank(int blank_mode, struct fb_info *info) static int vt8623fb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info) { + struct vt8623fb_info *par = info->par; unsigned int offset; /* Calculate the offset */ @@ -616,7 +630,7 @@ static int vt8623fb_pan_display(struct fb_var_screeninfo *var, struct fb_info *i } /* Set the offset */ - svga_wcrt_multi(vt8623_start_address_regs, offset); + svga_wcrt_multi(par->state.vgabase, vt8623_start_address_regs, offset); return 0; } @@ -647,6 +661,8 @@ static struct fb_ops vt8623fb_ops = { static int __devinit vt8623_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) { + struct pci_bus_region bus_reg; + struct resource vga_res; struct fb_info *info; struct vt8623fb_info *par; unsigned int memsize1, memsize2; @@ -705,9 +721,18 @@ static int __devinit vt8623_pci_probe(struct pci_dev *dev, const struct pci_devi goto err_iomap_2; } + bus_reg.start = 0; + bus_reg.end = 64 * 1024; + + vga_res.flags = IORESOURCE_IO; + + pcibios_bus_to_resource(dev, &vga_res, &bus_reg); + + par->state.vgabase = (void __iomem *) vga_res.start; + /* Find how many physical memory there is on card */ - memsize1 = (vga_rseq(NULL, 0x34) + 1) >> 1; - memsize2 = vga_rseq(NULL, 0x39) << 2; + memsize1 = (vga_rseq(par->state.vgabase, 0x34) + 1) >> 1; + memsize2 = vga_rseq(par->state.vgabase, 0x39) << 2; if ((16 <= memsize1) && (memsize1 <= 64) && (memsize1 == memsize2)) info->screen_size = memsize1 << 20; 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