diff options
| -rw-r--r-- | arch/arm/include/asm/arch-sunxi/clock_sun4i.h | 4 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-sunxi/display.h | 116 | ||||
| -rw-r--r-- | drivers/video/sunxi_display.c | 134 |
3 files changed, 250 insertions, 4 deletions
diff --git a/arch/arm/include/asm/arch-sunxi/clock_sun4i.h b/arch/arm/include/asm/arch-sunxi/clock_sun4i.h index 5ebf856..05fbad3 100644 --- a/arch/arm/include/asm/arch-sunxi/clock_sun4i.h +++ b/arch/arm/include/asm/arch-sunxi/clock_sun4i.h @@ -186,6 +186,7 @@ struct sunxi_ccm_reg { /* ahb clock gate bit offset (second register) */ #define AHB_GATE_OFFSET_GMAC 17 +#define AHB_GATE_OFFSET_DE_FE0 14 #define AHB_GATE_OFFSET_DE_BE0 12 #define AHB_GATE_OFFSET_HDMI 11 #define AHB_GATE_OFFSET_LCD1 5 @@ -266,7 +267,10 @@ struct sunxi_ccm_reg { #define CCM_MMC_CTRL_PLL5 (0x2 << 24) #define CCM_MMC_CTRL_ENABLE (0x1 << 31) +#define CCM_DRAM_GATE_OFFSET_DE_FE1 24 /* Note the order of FE1 and */ +#define CCM_DRAM_GATE_OFFSET_DE_FE0 25 /* FE0 is swapped ! */ #define CCM_DRAM_GATE_OFFSET_DE_BE0 26 +#define CCM_DRAM_GATE_OFFSET_DE_BE1 27 #define CCM_LCD_CH0_CTRL_PLL3 (0 << 24) #define CCM_LCD_CH0_CTRL_PLL7 (1 << 24) diff --git a/arch/arm/include/asm/arch-sunxi/display.h b/arch/arm/include/asm/arch-sunxi/display.h index ff92a10..5e94253 100644 --- a/arch/arm/include/asm/arch-sunxi/display.h +++ b/arch/arm/include/asm/arch-sunxi/display.h @@ -9,6 +9,107 @@ #ifndef _SUNXI_DISPLAY_H #define _SUNXI_DISPLAY_H +struct sunxi_de_fe_reg { + u32 enable; /* 0x000 */ + u32 frame_ctrl; /* 0x004 */ + u32 bypass; /* 0x008 */ + u32 algorithm_sel; /* 0x00c */ + u32 line_int_ctrl; /* 0x010 */ + u8 res0[0x0c]; /* 0x014 */ + u32 ch0_addr; /* 0x020 */ + u32 ch1_addr; /* 0x024 */ + u32 ch2_addr; /* 0x028 */ + u32 field_sequence; /* 0x02c */ + u32 ch0_offset; /* 0x030 */ + u32 ch1_offset; /* 0x034 */ + u32 ch2_offset; /* 0x038 */ + u8 res1[0x04]; /* 0x03c */ + u32 ch0_stride; /* 0x040 */ + u32 ch1_stride; /* 0x044 */ + u32 ch2_stride; /* 0x048 */ + u32 input_fmt; /* 0x04c */ + u32 ch3_addr; /* 0x050 */ + u32 ch4_addr; /* 0x054 */ + u32 ch5_addr; /* 0x058 */ + u32 output_fmt; /* 0x05c */ + u32 int_enable; /* 0x060 */ + u32 int_status; /* 0x064 */ + u32 status; /* 0x068 */ + u8 res2[0x04]; /* 0x06c */ + u32 csc_coef00; /* 0x070 */ + u32 csc_coef01; /* 0x074 */ + u32 csc_coef02; /* 0x078 */ + u32 csc_coef03; /* 0x07c */ + u32 csc_coef10; /* 0x080 */ + u32 csc_coef11; /* 0x084 */ + u32 csc_coef12; /* 0x088 */ + u32 csc_coef13; /* 0x08c */ + u32 csc_coef20; /* 0x090 */ + u32 csc_coef21; /* 0x094 */ + u32 csc_coef22; /* 0x098 */ + u32 csc_coef23; /* 0x09c */ + u32 deinterlace_ctrl; /* 0x0a0 */ + u32 deinterlace_diag; /* 0x0a4 */ + u32 deinterlace_tempdiff; /* 0x0a8 */ + u32 deinterlace_sawtooth; /* 0x0ac */ + u32 deinterlace_spatcomp; /* 0x0b0 */ + u32 deinterlace_burstlen; /* 0x0b4 */ + u32 deinterlace_preluma; /* 0x0b8 */ + u32 deinterlace_tile_addr; /* 0x0bc */ + u32 deinterlace_tile_stride; /* 0x0c0 */ + u8 res3[0x0c]; /* 0x0c4 */ + u32 wb_stride_enable; /* 0x0d0 */ + u32 ch3_stride; /* 0x0d4 */ + u32 ch4_stride; /* 0x0d8 */ + u32 ch5_stride; /* 0x0dc */ + u32 fe_3d_ctrl; /* 0x0e0 */ + u32 fe_3d_ch0_addr; /* 0x0e4 */ + u32 fe_3d_ch1_addr; /* 0x0e8 */ + u32 fe_3d_ch2_addr; /* 0x0ec */ + u32 fe_3d_ch0_offset; /* 0x0f0 */ + u32 fe_3d_ch1_offset; /* 0x0f4 */ + u32 fe_3d_ch2_offset; /* 0x0f8 */ + u8 res4[0x04]; /* 0x0fc */ + u32 ch0_insize; /* 0x100 */ + u32 ch0_outsize; /* 0x104 */ + u32 ch0_horzfact; /* 0x108 */ + u32 ch0_vertfact; /* 0x10c */ + u32 ch0_horzphase; /* 0x110 */ + u32 ch0_vertphase0; /* 0x114 */ + u32 ch0_vertphase1; /* 0x118 */ + u8 res5[0x04]; /* 0x11c */ + u32 ch0_horztapoffset0; /* 0x120 */ + u32 ch0_horztapoffset1; /* 0x124 */ + u32 ch0_verttapoffset; /* 0x128 */ + u8 res6[0xd4]; /* 0x12c */ + u32 ch1_insize; /* 0x200 */ + u32 ch1_outsize; /* 0x204 */ + u32 ch1_horzfact; /* 0x208 */ + u32 ch1_vertfact; /* 0x20c */ + u32 ch1_horzphase; /* 0x210 */ + u32 ch1_vertphase0; /* 0x214 */ + u32 ch1_vertphase1; /* 0x218 */ + u8 res7[0x04]; /* 0x21c */ + u32 ch1_horztapoffset0; /* 0x220 */ + u32 ch1_horztapoffset1; /* 0x224 */ + u32 ch1_verttapoffset; /* 0x228 */ + u8 res8[0x1d4]; /* 0x22c */ + u32 ch0_horzcoef0[32]; /* 0x400 */ + u32 ch0_horzcoef1[32]; /* 0x480 */ + u32 ch0_vertcoef[32]; /* 0x500 */ + u8 res9[0x80]; /* 0x580 */ + u32 ch1_horzcoef0[32]; /* 0x600 */ + u32 ch1_horzcoef1[32]; /* 0x680 */ + u32 ch1_vertcoef[32]; /* 0x700 */ + u8 res10[0x280]; /* 0x780 */ + u32 vpp_enable; /* 0xa00 */ + u32 vpp_dcti; /* 0xa04 */ + u32 vpp_lp1; /* 0xa08 */ + u32 vpp_lp2; /* 0xa0c */ + u32 vpp_wle; /* 0xa10 */ + u32 vpp_ble; /* 0xa14 */ +}; + struct sunxi_de_be_reg { u8 res0[0x800]; /* 0x000 */ u32 mode; /* 0x800 */ @@ -210,6 +311,20 @@ struct sunxi_tve_reg { }; /* + * DE-FE register constants. + */ +#define SUNXI_DE_FE_WIDTH(x) (((x) - 1) << 0) +#define SUNXI_DE_FE_HEIGHT(y) (((y) - 1) << 16) +#define SUNXI_DE_FE_FACTOR_INT(n) ((n) << 16) +#define SUNXI_DE_FE_ENABLE_EN (1 << 0) +#define SUNXI_DE_FE_FRAME_CTRL_REG_RDY (1 << 0) +#define SUNXI_DE_FE_FRAME_CTRL_COEF_RDY (1 << 1) +#define SUNXI_DE_FE_FRAME_CTRL_FRM_START (1 << 16) +#define SUNXI_DE_FE_BYPASS_CSC_BYPASS (1 << 1) +#define SUNXI_DE_FE_INPUT_FMT_ARGB8888 0x00000151 +#define SUNXI_DE_FE_OUTPUT_FMT_ARGB8888 0x00000002 + +/* * DE-BE register constants. */ #define SUNXI_DE_BE_WIDTH(x) (((x) - 1) << 0) @@ -219,6 +334,7 @@ struct sunxi_tve_reg { #define SUNXI_DE_BE_MODE_LAYER0_ENABLE (1 << 8) #define SUNXI_DE_BE_LAYER_STRIDE(x) ((x) << 5) #define SUNXI_DE_BE_REG_CTRL_LOAD_REGS (1 << 0) +#define SUNXI_DE_BE_LAYER_ATTR0_SRC_FE0 0x00000002 #define SUNXI_DE_BE_LAYER_ATTR1_FMT_XRGB8888 (0x09 << 8) /* diff --git a/drivers/video/sunxi_display.c b/drivers/video/sunxi_display.c index 0505f3c..a6e3778 100644 --- a/drivers/video/sunxi_display.c +++ b/drivers/video/sunxi_display.c @@ -271,6 +271,114 @@ static int sunxi_hdmi_edid_get_mode(struct ctfb_res_modes *mode) #endif /* CONFIG_VIDEO_HDMI */ +#ifdef CONFIG_MACH_SUN4I +/* + * Testing has shown that on sun4i the display backend engine does not have + * deep enough fifo-s causing flickering / tearing in full-hd mode due to + * fifo underruns. So on sun4i we use the display frontend engine to do the + * dma from memory, as the frontend does have deep enough fifo-s. + */ + +static const u32 sun4i_vert_coef[32] = { + 0x00004000, 0x000140ff, 0x00033ffe, 0x00043ffd, + 0x00063efc, 0xff083dfc, 0x000a3bfb, 0xff0d39fb, + 0xff0f37fb, 0xff1136fa, 0xfe1433fb, 0xfe1631fb, + 0xfd192ffb, 0xfd1c2cfb, 0xfd1f29fb, 0xfc2127fc, + 0xfc2424fc, 0xfc2721fc, 0xfb291ffd, 0xfb2c1cfd, + 0xfb2f19fd, 0xfb3116fe, 0xfb3314fe, 0xfa3611ff, + 0xfb370fff, 0xfb390dff, 0xfb3b0a00, 0xfc3d08ff, + 0xfc3e0600, 0xfd3f0400, 0xfe3f0300, 0xff400100, +}; + +static const u32 sun4i_horz_coef[64] = { + 0x40000000, 0x00000000, 0x40fe0000, 0x0000ff03, + 0x3ffd0000, 0x0000ff05, 0x3ffc0000, 0x0000ff06, + 0x3efb0000, 0x0000ff08, 0x3dfb0000, 0x0000ff09, + 0x3bfa0000, 0x0000fe0d, 0x39fa0000, 0x0000fe0f, + 0x38fa0000, 0x0000fe10, 0x36fa0000, 0x0000fe12, + 0x33fa0000, 0x0000fd16, 0x31fa0000, 0x0000fd18, + 0x2ffa0000, 0x0000fd1a, 0x2cfa0000, 0x0000fc1e, + 0x29fa0000, 0x0000fc21, 0x27fb0000, 0x0000fb23, + 0x24fb0000, 0x0000fb26, 0x21fb0000, 0x0000fb29, + 0x1ffc0000, 0x0000fa2b, 0x1cfc0000, 0x0000fa2e, + 0x19fd0000, 0x0000fa30, 0x16fd0000, 0x0000fa33, + 0x14fd0000, 0x0000fa35, 0x11fe0000, 0x0000fa37, + 0x0ffe0000, 0x0000fa39, 0x0dfe0000, 0x0000fa3b, + 0x0afe0000, 0x0000fa3e, 0x08ff0000, 0x0000fb3e, + 0x06ff0000, 0x0000fb40, 0x05ff0000, 0x0000fc40, + 0x03ff0000, 0x0000fd41, 0x01ff0000, 0x0000fe42, +}; + +static void sunxi_frontend_init(void) +{ + struct sunxi_ccm_reg * const ccm = + (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; + struct sunxi_de_fe_reg * const de_fe = + (struct sunxi_de_fe_reg *)SUNXI_DE_FE0_BASE; + int i; + + /* Clocks on */ + setbits_le32(&ccm->ahb_gate1, 1 << AHB_GATE_OFFSET_DE_FE0); + setbits_le32(&ccm->dram_clk_gate, 1 << CCM_DRAM_GATE_OFFSET_DE_FE0); + clock_set_de_mod_clock(&ccm->fe0_clk_cfg, 300000000); + + setbits_le32(&de_fe->enable, SUNXI_DE_FE_ENABLE_EN); + + for (i = 0; i < 32; i++) { + writel(sun4i_horz_coef[2 * i], &de_fe->ch0_horzcoef0[i]); + writel(sun4i_horz_coef[2 * i + 1], &de_fe->ch0_horzcoef1[i]); + writel(sun4i_vert_coef[i], &de_fe->ch0_vertcoef[i]); + writel(sun4i_horz_coef[2 * i], &de_fe->ch1_horzcoef0[i]); + writel(sun4i_horz_coef[2 * i + 1], &de_fe->ch1_horzcoef1[i]); + writel(sun4i_vert_coef[i], &de_fe->ch1_vertcoef[i]); + } + + setbits_le32(&de_fe->frame_ctrl, SUNXI_DE_FE_FRAME_CTRL_COEF_RDY); +} + +static void sunxi_frontend_mode_set(const struct ctfb_res_modes *mode, + unsigned int address) +{ + struct sunxi_de_fe_reg * const de_fe = + (struct sunxi_de_fe_reg *)SUNXI_DE_FE0_BASE; + + setbits_le32(&de_fe->bypass, SUNXI_DE_FE_BYPASS_CSC_BYPASS); + writel(CONFIG_SYS_SDRAM_BASE + address, &de_fe->ch0_addr); + writel(mode->xres * 4, &de_fe->ch0_stride); + writel(SUNXI_DE_FE_INPUT_FMT_ARGB8888, &de_fe->input_fmt); + writel(SUNXI_DE_FE_OUTPUT_FMT_ARGB8888, &de_fe->output_fmt); + + writel(SUNXI_DE_FE_HEIGHT(mode->yres) | SUNXI_DE_FE_WIDTH(mode->xres), + &de_fe->ch0_insize); + writel(SUNXI_DE_FE_HEIGHT(mode->yres) | SUNXI_DE_FE_WIDTH(mode->xres), + &de_fe->ch0_outsize); + writel(SUNXI_DE_FE_FACTOR_INT(1), &de_fe->ch0_horzfact); + writel(SUNXI_DE_FE_FACTOR_INT(1), &de_fe->ch0_vertfact); + + writel(SUNXI_DE_FE_HEIGHT(mode->yres) | SUNXI_DE_FE_WIDTH(mode->xres), + &de_fe->ch1_insize); + writel(SUNXI_DE_FE_HEIGHT(mode->yres) | SUNXI_DE_FE_WIDTH(mode->xres), + &de_fe->ch1_outsize); + writel(SUNXI_DE_FE_FACTOR_INT(1), &de_fe->ch1_horzfact); + writel(SUNXI_DE_FE_FACTOR_INT(1), &de_fe->ch1_vertfact); + + setbits_le32(&de_fe->frame_ctrl, SUNXI_DE_FE_FRAME_CTRL_REG_RDY); +} + +static void sunxi_frontend_enable(void) +{ + struct sunxi_de_fe_reg * const de_fe = + (struct sunxi_de_fe_reg *)SUNXI_DE_FE0_BASE; + + setbits_le32(&de_fe->frame_ctrl, SUNXI_DE_FE_FRAME_CTRL_FRM_START); +} +#else +static void sunxi_frontend_init(void) {} +static void sunxi_frontend_mode_set(const struct ctfb_res_modes *mode, + unsigned int address) {} +static void sunxi_frontend_enable(void) {} +#endif + /* * This is the entity that mixes and matches the different layers and inputs. * Allwinner calls it the back-end, but i like composer better. @@ -283,6 +391,8 @@ static void sunxi_composer_init(void) (struct sunxi_de_be_reg *)SUNXI_DE_BE0_BASE; int i; + sunxi_frontend_init(); + #if defined CONFIG_MACH_SUN6I || defined CONFIG_MACH_SUN8I /* Reset off */ setbits_le32(&ccm->ahb_reset1_cfg, 1 << AHB_RESET_OFFSET_DE_BE0); @@ -290,7 +400,9 @@ static void sunxi_composer_init(void) /* Clocks on */ setbits_le32(&ccm->ahb_gate1, 1 << AHB_GATE_OFFSET_DE_BE0); +#ifndef CONFIG_MACH_SUN4I /* On sun4i the frontend does the dma */ setbits_le32(&ccm->dram_clk_gate, 1 << CCM_DRAM_GATE_OFFSET_DE_BE0); +#endif clock_set_de_mod_clock(&ccm->be0_clk_cfg, 300000000); /* Engine bug, clear registers after reset */ @@ -306,13 +418,19 @@ static void sunxi_composer_mode_set(const struct ctfb_res_modes *mode, struct sunxi_de_be_reg * const de_be = (struct sunxi_de_be_reg *)SUNXI_DE_BE0_BASE; + sunxi_frontend_mode_set(mode, address); + writel(SUNXI_DE_BE_HEIGHT(mode->yres) | SUNXI_DE_BE_WIDTH(mode->xres), &de_be->disp_size); writel(SUNXI_DE_BE_HEIGHT(mode->yres) | SUNXI_DE_BE_WIDTH(mode->xres), &de_be->layer0_size); +#ifndef CONFIG_MACH_SUN4I /* On sun4i the frontend does the dma */ writel(SUNXI_DE_BE_LAYER_STRIDE(mode->xres), &de_be->layer0_stride); writel(address << 3, &de_be->layer0_addr_low32b); writel(address >> 29, &de_be->layer0_addr_high4b); +#else + writel(SUNXI_DE_BE_LAYER_ATTR0_SRC_FE0, &de_be->layer0_attr0_ctrl); +#endif writel(SUNXI_DE_BE_LAYER_ATTR1_FMT_XRGB8888, &de_be->layer0_attr1_ctrl); setbits_le32(&de_be->mode, SUNXI_DE_BE_MODE_LAYER0_ENABLE); @@ -323,6 +441,8 @@ static void sunxi_composer_enable(void) struct sunxi_de_be_reg * const de_be = (struct sunxi_de_be_reg *)SUNXI_DE_BE0_BASE; + sunxi_frontend_enable(); + setbits_le32(&de_be->reg_ctrl, SUNXI_DE_BE_REG_CTRL_LOAD_REGS); setbits_le32(&de_be->mode, SUNXI_DE_BE_MODE_START); } @@ -1060,21 +1180,27 @@ int sunxi_simplefb_setup(void *blob) int offset, ret; const char *pipeline = NULL; +#ifdef CONFIG_MACH_SUN4I +#define PIPELINE_PREFIX "de_fe0-" +#else +#define PIPELINE_PREFIX +#endif + switch (sunxi_display.monitor) { case sunxi_monitor_none: return 0; case sunxi_monitor_dvi: case sunxi_monitor_hdmi: - pipeline = "de_be0-lcd0-hdmi"; + pipeline = PIPELINE_PREFIX "de_be0-lcd0-hdmi"; break; case sunxi_monitor_lcd: - pipeline = "de_be0-lcd0"; + pipeline = PIPELINE_PREFIX "de_be0-lcd0"; break; case sunxi_monitor_vga: #ifdef CONFIG_VIDEO_VGA - pipeline = "de_be0-lcd0-tve0"; + pipeline = PIPELINE_PREFIX "de_be0-lcd0-tve0"; #elif defined CONFIG_VIDEO_VGA_VIA_LCD - pipeline = "de_be0-lcd0"; + pipeline = PIPELINE_PREFIX "de_be0-lcd0"; #endif break; } |