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author | Paul Mundt <lethal@linux-sh.org> | 2011-01-05 08:30:20 (GMT) |
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committer | Paul Mundt <lethal@linux-sh.org> | 2011-01-05 08:30:20 (GMT) |
commit | 97cbc8fb1e35e328073e84c4031bd338306397d6 (patch) | |
tree | 0747f1d8f7c1e09ebf1072fcaedd18cccb11f304 | |
parent | 17d6ce11195fceda62af00beefde37e37a01337c (diff) | |
parent | 14bbb7c61557172e4482d4d97a5f56042a12b969 (diff) | |
download | linux-fsl-qoriq-97cbc8fb1e35e328073e84c4031bd338306397d6.tar.xz |
Merge branch 'common/fbdev-mipi' of master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6
-rw-r--r-- | arch/arm/mach-shmobile/board-ap4evb.c | 39 | ||||
-rw-r--r-- | arch/arm/mach-shmobile/clock-sh7372.c | 13 | ||||
-rw-r--r-- | drivers/video/sh_mipi_dsi.c | 36 | ||||
-rw-r--r-- | include/video/sh_mipi_dsi.h | 6 |
4 files changed, 43 insertions, 51 deletions
diff --git a/arch/arm/mach-shmobile/board-ap4evb.c b/arch/arm/mach-shmobile/board-ap4evb.c index a054f0d..b1222dc 100644 --- a/arch/arm/mach-shmobile/board-ap4evb.c +++ b/arch/arm/mach-shmobile/board-ap4evb.c @@ -514,6 +514,7 @@ static struct resource mipidsi0_resources[] = { static struct sh_mipi_dsi_info mipidsi0_info = { .data_format = MIPI_RGB888, .lcd_chan = &lcdc_info.ch[0], + .vsynw_offset = 17, }; static struct platform_device mipidsi0_device = { @@ -526,44 +527,6 @@ static struct platform_device mipidsi0_device = { }, }; -/* This function will disappear when we switch to (runtime) PM */ -static int __init ap4evb_init_display_clk(void) -{ - struct clk *lcdc_clk; - struct clk *dsitx_clk; - int ret; - - lcdc_clk = clk_get(&lcdc_device.dev, "sh_mobile_lcdc_fb.0"); - if (IS_ERR(lcdc_clk)) - return PTR_ERR(lcdc_clk); - - dsitx_clk = clk_get(&mipidsi0_device.dev, "sh-mipi-dsi.0"); - if (IS_ERR(dsitx_clk)) { - ret = PTR_ERR(dsitx_clk); - goto eclkdsitxget; - } - - ret = clk_enable(lcdc_clk); - if (ret < 0) - goto eclklcdcon; - - ret = clk_enable(dsitx_clk); - if (ret < 0) - goto eclkdsitxon; - - return 0; - -eclkdsitxon: - clk_disable(lcdc_clk); -eclklcdcon: - clk_put(dsitx_clk); -eclkdsitxget: - clk_put(lcdc_clk); - - return ret; -} -device_initcall(ap4evb_init_display_clk); - static struct platform_device *qhd_devices[] __initdata = { &mipidsi0_device, &keysc_device, diff --git a/arch/arm/mach-shmobile/clock-sh7372.c b/arch/arm/mach-shmobile/clock-sh7372.c index 3aa0260..66663ad 100644 --- a/arch/arm/mach-shmobile/clock-sh7372.c +++ b/arch/arm/mach-shmobile/clock-sh7372.c @@ -507,7 +507,7 @@ enum { MSTP001, MSTP223, MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200, MSTP329, MSTP328, MSTP323, MSTP322, MSTP314, MSTP313, MSTP312, - MSTP415, MSTP413, MSTP411, MSTP410, MSTP406, MSTP403, + MSTP423, MSTP415, MSTP413, MSTP411, MSTP410, MSTP406, MSTP403, MSTP_NR }; #define MSTP(_parent, _reg, _bit, _flags) \ @@ -543,6 +543,7 @@ static struct clk mstp_clks[MSTP_NR] = { [MSTP314] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 14, 0), /* SDHI0 */ [MSTP313] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 13, 0), /* SDHI1 */ [MSTP312] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 12, 0), /* MMC */ + [MSTP423] = MSTP(&div4_clks[DIV4_B], SMSTPCR4, 23, 0), /* DSITX1 */ [MSTP415] = MSTP(&div4_clks[DIV4_HP], SMSTPCR4, 15, 0), /* SDHI2 */ [MSTP413] = MSTP(&pllc1_div2_clk, SMSTPCR4, 13, 0), /* HDMI */ [MSTP411] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR4, 11, 0), /* IIC3 */ @@ -596,9 +597,10 @@ static struct clk_lookup lookups[] = { CLKDEV_CON_ID("spu_clk", &div6_clks[DIV6_SPU]), CLKDEV_CON_ID("vou_clk", &div6_clks[DIV6_VOU]), CLKDEV_CON_ID("hdmi_clk", &div6_reparent_clks[DIV6_HDMI]), - CLKDEV_CON_ID("dsit_clk", &div6_clks[DIV6_DSIT]), - CLKDEV_CON_ID("dsi0p_clk", &div6_clks[DIV6_DSI0P]), - CLKDEV_CON_ID("dsi1p_clk", &div6_clks[DIV6_DSI1P]), + CLKDEV_ICK_ID("dsit_clk", "sh-mipi-dsi.0", &div6_clks[DIV6_DSIT]), + CLKDEV_ICK_ID("dsit_clk", "sh-mipi-dsi.1", &div6_clks[DIV6_DSIT]), + CLKDEV_ICK_ID("dsi0p_clk", "sh-mipi-dsi.0", &div6_clks[DIV6_DSI0P]), + CLKDEV_ICK_ID("dsi1p_clk", "sh-mipi-dsi.1", &div6_clks[DIV6_DSI1P]), /* MSTP32 clocks */ CLKDEV_DEV_ID("i2c-sh_mobile.2", &mstp_clks[MSTP001]), /* IIC2 */ @@ -610,7 +612,7 @@ static struct clk_lookup lookups[] = { CLKDEV_DEV_ID("sh-mobile-csi2.0", &mstp_clks[MSTP126]), /* CSI2 */ CLKDEV_DEV_ID("sh_tmu.0", &mstp_clks[MSTP125]), /* TMU00 */ CLKDEV_DEV_ID("sh_tmu.1", &mstp_clks[MSTP125]), /* TMU01 */ - CLKDEV_DEV_ID("sh-mipi-dsi.0", &mstp_clks[MSTP118]), /* DSITX */ + CLKDEV_DEV_ID("sh-mipi-dsi.0", &mstp_clks[MSTP118]), /* DSITX0 */ CLKDEV_DEV_ID("sh_mobile_lcdc_fb.1", &mstp_clks[MSTP117]), /* LCDC1 */ CLKDEV_DEV_ID("i2c-sh_mobile.0", &mstp_clks[MSTP116]), /* IIC0 */ CLKDEV_DEV_ID("uio_pdrv_genirq.5", &mstp_clks[MSTP106]), /* JPU */ @@ -633,6 +635,7 @@ static struct clk_lookup lookups[] = { CLKDEV_DEV_ID("sh_mobile_sdhi.0", &mstp_clks[MSTP314]), /* SDHI0 */ CLKDEV_DEV_ID("sh_mobile_sdhi.1", &mstp_clks[MSTP313]), /* SDHI1 */ CLKDEV_DEV_ID("sh_mmcif.0", &mstp_clks[MSTP312]), /* MMC */ + CLKDEV_DEV_ID("sh-mipi-dsi.1", &mstp_clks[MSTP423]), /* DSITX1 */ CLKDEV_DEV_ID("sh_mobile_sdhi.2", &mstp_clks[MSTP415]), /* SDHI2 */ CLKDEV_DEV_ID("sh-mobile-hdmi", &mstp_clks[MSTP413]), /* HDMI */ CLKDEV_DEV_ID("i2c-sh_mobile.3", &mstp_clks[MSTP411]), /* IIC3 */ diff --git a/drivers/video/sh_mipi_dsi.c b/drivers/video/sh_mipi_dsi.c index b40dc42..24640c8 100644 --- a/drivers/video/sh_mipi_dsi.c +++ b/drivers/video/sh_mipi_dsi.c @@ -13,6 +13,7 @@ #include <linux/init.h> #include <linux/io.h> #include <linux/platform_device.h> +#include <linux/pm_runtime.h> #include <linux/slab.h> #include <linux/string.h> #include <linux/types.h> @@ -50,9 +51,11 @@ struct sh_mipi { void __iomem *linkbase; struct clk *dsit_clk; struct clk *dsip_clk; - void *next_board_data; - void (*next_display_on)(void *board_data, struct fb_info *info); - void (*next_display_off)(void *board_data); + struct device *dev; + + void *next_board_data; + void (*next_display_on)(void *board_data, struct fb_info *info); + void (*next_display_off)(void *board_data); }; static struct sh_mipi *mipi_dsi[MAX_SH_MIPI_DSI]; @@ -124,6 +127,7 @@ static void mipi_display_on(void *arg, struct fb_info *info) { struct sh_mipi *mipi = arg; + pm_runtime_get_sync(mipi->dev); sh_mipi_dsi_enable(mipi, true); if (mipi->next_display_on) @@ -138,6 +142,7 @@ static void mipi_display_off(void *arg) mipi->next_display_off(mipi->next_board_data); sh_mipi_dsi_enable(mipi, false); + pm_runtime_put(mipi->dev); } static int __init sh_mipi_setup(struct sh_mipi *mipi, @@ -145,8 +150,7 @@ static int __init sh_mipi_setup(struct sh_mipi *mipi, { void __iomem *base = mipi->base; struct sh_mobile_lcdc_chan_cfg *ch = pdata->lcd_chan; - u32 pctype, datatype, pixfmt; - u32 linelength; + u32 pctype, datatype, pixfmt, linelength, vmctr2 = 0x00e00000; bool yuv; /* @@ -303,17 +307,24 @@ static int __init sh_mipi_setup(struct sh_mipi *mipi, */ iowrite32(0x00000006, mipi->linkbase + DTCTR); /* VSYNC width = 2 (<< 17) */ - iowrite32(0x00040000 | (pctype << 12) | datatype, + iowrite32((ch->lcd_cfg[0].vsync_len << pdata->vsynw_offset) | + (pdata->clksrc << 16) | (pctype << 12) | datatype, mipi->linkbase + VMCTR1); + /* * Non-burst mode with sync pulses: VSE and HSE are output, * HSA period allowed, no commands in LP */ - iowrite32(0x00e00000, mipi->linkbase + VMCTR2); + if (pdata->flags & SH_MIPI_DSI_HSABM) + vmctr2 |= 0x20; + if (pdata->flags & SH_MIPI_DSI_HSPBM) + vmctr2 |= 0x10; + iowrite32(vmctr2, mipi->linkbase + VMCTR2); + /* * 0x660 = 1632 bytes per line (RGB24, 544 pixels: see * sh_mobile_lcdc_info.ch[0].lcd_cfg[0].xres), HSALEN = 1 - default - * (unused, since VMCTR2[HSABM] = 0) + * (unused if VMCTR2[HSABM] = 0) */ iowrite32(1 | (linelength << 16), mipi->linkbase + VMLEN1); @@ -396,6 +407,8 @@ static int __init sh_mipi_probe(struct platform_device *pdev) goto emap2; } + mipi->dev = &pdev->dev; + mipi->dsit_clk = clk_get(&pdev->dev, "dsit_clk"); if (IS_ERR(mipi->dsit_clk)) { ret = PTR_ERR(mipi->dsit_clk); @@ -445,6 +458,9 @@ static int __init sh_mipi_probe(struct platform_device *pdev) mipi_dsi[idx] = mipi; + pm_runtime_enable(&pdev->dev); + pm_runtime_resume(&pdev->dev); + ret = sh_mipi_setup(mipi, pdata); if (ret < 0) goto emipisetup; @@ -461,11 +477,13 @@ static int __init sh_mipi_probe(struct platform_device *pdev) pdata->lcd_chan->board_cfg.board_data = mipi; pdata->lcd_chan->board_cfg.display_on = mipi_display_on; pdata->lcd_chan->board_cfg.display_off = mipi_display_off; + pdata->lcd_chan->board_cfg.owner = THIS_MODULE; return 0; emipisetup: mipi_dsi[idx] = NULL; + pm_runtime_disable(&pdev->dev); clk_disable(mipi->dsip_clk); eclkpon: clk_disable(mipi->dsit_clk); @@ -517,10 +535,12 @@ static int __exit sh_mipi_remove(struct platform_device *pdev) if (ret < 0) return ret; + pdata->lcd_chan->board_cfg.owner = NULL; pdata->lcd_chan->board_cfg.display_on = NULL; pdata->lcd_chan->board_cfg.display_off = NULL; pdata->lcd_chan->board_cfg.board_data = NULL; + pm_runtime_disable(&pdev->dev); clk_disable(mipi->dsip_clk); clk_disable(mipi->dsit_clk); clk_put(mipi->dsit_clk); diff --git a/include/video/sh_mipi_dsi.h b/include/video/sh_mipi_dsi.h index 18bca08..6cb95c9 100644 --- a/include/video/sh_mipi_dsi.h +++ b/include/video/sh_mipi_dsi.h @@ -27,9 +27,15 @@ enum sh_mipi_dsi_data_fmt { struct sh_mobile_lcdc_chan_cfg; +#define SH_MIPI_DSI_HSABM (1 << 0) +#define SH_MIPI_DSI_HSPBM (1 << 1) + struct sh_mipi_dsi_info { enum sh_mipi_dsi_data_fmt data_format; struct sh_mobile_lcdc_chan_cfg *lcd_chan; + unsigned long flags; + u32 clksrc; + unsigned int vsynw_offset; }; #endif |