diff options
Diffstat (limited to 'drivers/video/sunxi_display.c')
| -rw-r--r-- | drivers/video/sunxi_display.c | 200 |
1 files changed, 178 insertions, 22 deletions
diff --git a/drivers/video/sunxi_display.c b/drivers/video/sunxi_display.c index f3cc06e2ef..1868185058 100644 --- a/drivers/video/sunxi_display.c +++ b/drivers/video/sunxi_display.c @@ -2,7 +2,7 @@ * Display driver for Allwinner SoCs. * * (C) Copyright 2013-2014 Luc Verhaegen <libv@skynet.be> - * (C) Copyright 2014 Hans de Goede <hdegoede@redhat.com> + * (C) Copyright 2014-2015 Hans de Goede <hdegoede@redhat.com> * * SPDX-License-Identifier: GPL-2.0+ */ @@ -40,8 +40,12 @@ enum sunxi_monitor { sunxi_monitor_hdmi, sunxi_monitor_lcd, sunxi_monitor_vga, + sunxi_monitor_composite_pal, + sunxi_monitor_composite_ntsc, + sunxi_monitor_composite_pal_m, + sunxi_monitor_composite_pal_nc, }; -#define SUNXI_MONITOR_LAST sunxi_monitor_vga +#define SUNXI_MONITOR_LAST sunxi_monitor_composite_pal_nc struct sunxi_display { GraphicDevice graphic_device; @@ -50,6 +54,12 @@ struct sunxi_display { unsigned int fb_size; } sunxi_display; +const struct ctfb_res_modes composite_video_modes[2] = { + /* x y hz pixclk ps/kHz le ri up lo hs vs s vmode */ + { 720, 576, 50, 37037, 27000, 137, 5, 20, 27, 2, 2, 0, FB_VMODE_INTERLACED }, + { 720, 480, 60, 37037, 27000, 116, 20, 16, 27, 2, 2, 0, FB_VMODE_INTERLACED }, +}; + #ifdef CONFIG_VIDEO_HDMI /* @@ -390,6 +400,25 @@ static void sunxi_frontend_mode_set(const struct ctfb_res_modes *mode, static void sunxi_frontend_enable(void) {} #endif +static bool sunxi_is_composite(void) +{ + switch (sunxi_display.monitor) { + case sunxi_monitor_none: + case sunxi_monitor_dvi: + case sunxi_monitor_hdmi: + case sunxi_monitor_lcd: + case sunxi_monitor_vga: + return false; + case sunxi_monitor_composite_pal: + case sunxi_monitor_composite_ntsc: + case sunxi_monitor_composite_pal_m: + case sunxi_monitor_composite_pal_nc: + return true; + } + + return false; /* Never reached */ +} + /* * This is the entity that mixes and matches the different layers and inputs. * Allwinner calls it the back-end, but i like composer better. @@ -423,11 +452,18 @@ static void sunxi_composer_init(void) setbits_le32(&de_be->mode, SUNXI_DE_BE_MODE_ENABLE); } +static u32 sunxi_rgb2yuv_coef[12] = { + 0x00000107, 0x00000204, 0x00000064, 0x00000108, + 0x00003f69, 0x00003ed6, 0x000001c1, 0x00000808, + 0x000001c1, 0x00003e88, 0x00003fb8, 0x00000808 +}; + static void sunxi_composer_mode_set(const struct ctfb_res_modes *mode, unsigned int address) { struct sunxi_de_be_reg * const de_be = (struct sunxi_de_be_reg *)SUNXI_DE_BE0_BASE; + int i; sunxi_frontend_mode_set(mode, address); @@ -449,6 +485,14 @@ static void sunxi_composer_mode_set(const struct ctfb_res_modes *mode, setbits_le32(&de_be->mode, SUNXI_DE_BE_MODE_DEFLICKER_ENABLE | SUNXI_DE_BE_MODE_INTERLACE_ENABLE); + + if (sunxi_is_composite()) { + writel(SUNXI_DE_BE_OUTPUT_COLOR_CTRL_ENABLE, + &de_be->output_color_ctrl); + for (i = 0; i < 12; i++) + writel(sunxi_rgb2yuv_coef[i], + &de_be->output_color_coef[i]); + } } static void sunxi_composer_enable(void) @@ -539,6 +583,9 @@ static void sunxi_lcdc_pll_set(int tcon, int dotclock, (best_double ? CCM_LCD_CH1_CTRL_PLL3_2X : CCM_LCD_CH1_CTRL_PLL3) | CCM_LCD_CH1_CTRL_M(best_m), &ccm->lcd0_ch1_clk_cfg); + if (sunxi_is_composite()) + setbits_le32(&ccm->lcd0_ch1_clk_cfg, + CCM_LCD_CH1_CTRL_HALF_SCLK1); } *clk_div = best_m; @@ -766,7 +813,7 @@ static void sunxi_lcdc_tcon0_mode_set(const struct ctfb_res_modes *mode, writel(0, &lcdc->tcon0_io_tristate); } -#if defined CONFIG_VIDEO_HDMI || defined CONFIG_VIDEO_VGA +#if defined CONFIG_VIDEO_HDMI || defined CONFIG_VIDEO_VGA || defined CONFIG_VIDEO_COMPOSITE static void sunxi_lcdc_tcon1_mode_set(const struct ctfb_res_modes *mode, int *clk_div, int *clk_double, bool use_portd_hvsync) @@ -827,7 +874,7 @@ static void sunxi_lcdc_tcon1_mode_set(const struct ctfb_res_modes *mode, } sunxi_lcdc_pll_set(1, mode->pixclock_khz, clk_div, clk_double); } -#endif /* CONFIG_VIDEO_HDMI || defined CONFIG_VIDEO_VGA */ +#endif /* CONFIG_VIDEO_HDMI || defined CONFIG_VIDEO_VGA || CONFIG_VIDEO_COMPOSITE */ #ifdef CONFIG_VIDEO_HDMI @@ -941,9 +988,9 @@ static void sunxi_hdmi_enable(void) #endif /* CONFIG_VIDEO_HDMI */ -#ifdef CONFIG_VIDEO_VGA +#if defined CONFIG_VIDEO_VGA || defined CONFIG_VIDEO_COMPOSITE -static void sunxi_vga_mode_set(void) +static void sunxi_tvencoder_mode_set(void) { struct sunxi_ccm_reg * const ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; @@ -953,16 +1000,75 @@ static void sunxi_vga_mode_set(void) /* Clock on */ setbits_le32(&ccm->ahb_gate1, 1 << AHB_GATE_OFFSET_TVE0); - /* Set TVE in VGA mode */ - writel(SUNXI_TVE_GCTRL_DAC_INPUT(0, 1) | - SUNXI_TVE_GCTRL_DAC_INPUT(1, 2) | - SUNXI_TVE_GCTRL_DAC_INPUT(2, 3), &tve->gctrl); - writel(SUNXI_TVE_CFG0_VGA, &tve->cfg0); - writel(SUNXI_TVE_DAC_CFG0_VGA, &tve->dac_cfg0); - writel(SUNXI_TVE_UNKNOWN1_VGA, &tve->unknown1); + switch (sunxi_display.monitor) { + case sunxi_monitor_vga: + writel(SUNXI_TVE_GCTRL_DAC_INPUT(0, 1) | + SUNXI_TVE_GCTRL_DAC_INPUT(1, 2) | + SUNXI_TVE_GCTRL_DAC_INPUT(2, 3), &tve->gctrl); + writel(SUNXI_TVE_CFG0_VGA, &tve->cfg0); + writel(SUNXI_TVE_DAC_CFG0_VGA, &tve->dac_cfg0); + writel(SUNXI_TVE_UNKNOWN1_VGA, &tve->unknown1); + break; + case sunxi_monitor_composite_pal_nc: + writel(SUNXI_TVE_CHROMA_FREQ_PAL_NC, &tve->chroma_freq); + /* Fall through */ + case sunxi_monitor_composite_pal: + writel(SUNXI_TVE_GCTRL_DAC_INPUT(0, 1) | + SUNXI_TVE_GCTRL_DAC_INPUT(1, 2) | + SUNXI_TVE_GCTRL_DAC_INPUT(2, 3) | + SUNXI_TVE_GCTRL_DAC_INPUT(3, 4), &tve->gctrl); + writel(SUNXI_TVE_CFG0_PAL, &tve->cfg0); + writel(SUNXI_TVE_DAC_CFG0_COMPOSITE, &tve->dac_cfg0); + writel(SUNXI_TVE_FILTER_COMPOSITE, &tve->filter); + writel(SUNXI_TVE_PORCH_NUM_PAL, &tve->porch_num); + writel(SUNXI_TVE_LINE_NUM_PAL, &tve->line_num); + writel(SUNXI_TVE_BLANK_BLACK_LEVEL_PAL, &tve->blank_black_level); + writel(SUNXI_TVE_UNKNOWN1_COMPOSITE, &tve->unknown1); + writel(SUNXI_TVE_CBR_LEVEL_PAL, &tve->cbr_level); + writel(SUNXI_TVE_BURST_WIDTH_COMPOSITE, &tve->burst_width); + writel(SUNXI_TVE_UNKNOWN2_PAL, &tve->unknown2); + writel(SUNXI_TVE_ACTIVE_NUM_COMPOSITE, &tve->active_num); + writel(SUNXI_TVE_CHROMA_BW_GAIN_COMP, &tve->chroma_bw_gain); + writel(SUNXI_TVE_NOTCH_WIDTH_COMPOSITE, &tve->notch_width); + writel(SUNXI_TVE_RESYNC_NUM_PAL, &tve->resync_num); + writel(SUNXI_TVE_SLAVE_PARA_COMPOSITE, &tve->slave_para); + break; + case sunxi_monitor_composite_pal_m: + writel(SUNXI_TVE_CHROMA_FREQ_PAL_M, &tve->chroma_freq); + writel(SUNXI_TVE_COLOR_BURST_PAL_M, &tve->color_burst); + /* Fall through */ + case sunxi_monitor_composite_ntsc: + writel(SUNXI_TVE_GCTRL_DAC_INPUT(0, 1) | + SUNXI_TVE_GCTRL_DAC_INPUT(1, 2) | + SUNXI_TVE_GCTRL_DAC_INPUT(2, 3) | + SUNXI_TVE_GCTRL_DAC_INPUT(3, 4), &tve->gctrl); + writel(SUNXI_TVE_CFG0_NTSC, &tve->cfg0); + writel(SUNXI_TVE_DAC_CFG0_COMPOSITE, &tve->dac_cfg0); + writel(SUNXI_TVE_FILTER_COMPOSITE, &tve->filter); + writel(SUNXI_TVE_PORCH_NUM_NTSC, &tve->porch_num); + writel(SUNXI_TVE_LINE_NUM_NTSC, &tve->line_num); + writel(SUNXI_TVE_BLANK_BLACK_LEVEL_NTSC, &tve->blank_black_level); + writel(SUNXI_TVE_UNKNOWN1_COMPOSITE, &tve->unknown1); + writel(SUNXI_TVE_CBR_LEVEL_NTSC, &tve->cbr_level); + writel(SUNXI_TVE_BURST_PHASE_NTSC, &tve->burst_phase); + writel(SUNXI_TVE_BURST_WIDTH_COMPOSITE, &tve->burst_width); + writel(SUNXI_TVE_UNKNOWN2_NTSC, &tve->unknown2); + writel(SUNXI_TVE_SYNC_VBI_LEVEL_NTSC, &tve->sync_vbi_level); + writel(SUNXI_TVE_ACTIVE_NUM_COMPOSITE, &tve->active_num); + writel(SUNXI_TVE_CHROMA_BW_GAIN_COMP, &tve->chroma_bw_gain); + writel(SUNXI_TVE_NOTCH_WIDTH_COMPOSITE, &tve->notch_width); + writel(SUNXI_TVE_RESYNC_NUM_NTSC, &tve->resync_num); + writel(SUNXI_TVE_SLAVE_PARA_COMPOSITE, &tve->slave_para); + break; + case sunxi_monitor_none: + case sunxi_monitor_dvi: + case sunxi_monitor_hdmi: + case sunxi_monitor_lcd: + break; + } } -static void sunxi_vga_enable(void) +static void sunxi_tvencoder_enable(void) { struct sunxi_tve_reg * const tve = (struct sunxi_tve_reg *)SUNXI_TVE0_BASE; @@ -970,7 +1076,7 @@ static void sunxi_vga_enable(void) setbits_le32(&tve->gctrl, SUNXI_TVE_GCTRL_ENABLE); } -#endif /* CONFIG_VIDEO_VGA */ +#endif /* CONFIG_VIDEO_VGA || defined CONFIG_VIDEO_COMPOSITE */ static void sunxi_drc_init(void) { @@ -1085,10 +1191,10 @@ static void sunxi_mode_set(const struct ctfb_res_modes *mode, #ifdef CONFIG_VIDEO_VGA sunxi_composer_mode_set(mode, address); sunxi_lcdc_tcon1_mode_set(mode, &clk_div, &clk_double, 1); - sunxi_vga_mode_set(); + sunxi_tvencoder_mode_set(); sunxi_composer_enable(); sunxi_lcdc_enable(); - sunxi_vga_enable(); + sunxi_tvencoder_enable(); #elif defined CONFIG_VIDEO_VGA_VIA_LCD sunxi_composer_mode_set(mode, address); sunxi_lcdc_tcon0_mode_set(mode, true); @@ -1097,17 +1203,34 @@ static void sunxi_mode_set(const struct ctfb_res_modes *mode, sunxi_vga_external_dac_enable(); #endif break; + case sunxi_monitor_composite_pal: + case sunxi_monitor_composite_ntsc: + case sunxi_monitor_composite_pal_m: + case sunxi_monitor_composite_pal_nc: +#ifdef CONFIG_VIDEO_COMPOSITE + sunxi_composer_mode_set(mode, address); + sunxi_lcdc_tcon1_mode_set(mode, &clk_div, &clk_double, 0); + sunxi_tvencoder_mode_set(); + sunxi_composer_enable(); + sunxi_lcdc_enable(); + sunxi_tvencoder_enable(); +#endif + break; } } static const char *sunxi_get_mon_desc(enum sunxi_monitor monitor) { switch (monitor) { - case sunxi_monitor_none: return "none"; - case sunxi_monitor_dvi: return "dvi"; - case sunxi_monitor_hdmi: return "hdmi"; - case sunxi_monitor_lcd: return "lcd"; - case sunxi_monitor_vga: return "vga"; + case sunxi_monitor_none: return "none"; + case sunxi_monitor_dvi: return "dvi"; + case sunxi_monitor_hdmi: return "hdmi"; + case sunxi_monitor_lcd: return "lcd"; + case sunxi_monitor_vga: return "vga"; + case sunxi_monitor_composite_pal: return "composite-pal"; + case sunxi_monitor_composite_ntsc: return "composite-ntsc"; + case sunxi_monitor_composite_pal_m: return "composite-pal-m"; + case sunxi_monitor_composite_pal_nc: return "composite-pal-nc"; } return NULL; /* never reached */ } @@ -1142,6 +1265,15 @@ static bool sunxi_has_vga(void) #endif } +static bool sunxi_has_composite(void) +{ +#ifdef CONFIG_VIDEO_COMPOSITE + return true; +#else + return false; +#endif +} + static enum sunxi_monitor sunxi_get_default_mon(bool allow_hdmi) { if (allow_hdmi && sunxi_has_hdmi()) @@ -1150,6 +1282,8 @@ static enum sunxi_monitor sunxi_get_default_mon(bool allow_hdmi) return sunxi_monitor_lcd; else if (sunxi_has_vga()) return sunxi_monitor_vga; + else if (sunxi_has_composite()) + return sunxi_monitor_composite_pal; else return sunxi_monitor_none; } @@ -1234,6 +1368,22 @@ void *video_hw_init(void) } sunxi_display.depth = 18; break; + case sunxi_monitor_composite_pal: + case sunxi_monitor_composite_ntsc: + case sunxi_monitor_composite_pal_m: + case sunxi_monitor_composite_pal_nc: + if (!sunxi_has_composite()) { + printf("Composite video not supported on this board\n"); + sunxi_display.monitor = sunxi_monitor_none; + return NULL; + } + if (sunxi_display.monitor == sunxi_monitor_composite_pal || + sunxi_display.monitor == sunxi_monitor_composite_pal_nc) + mode = &composite_video_modes[0]; + else + mode = &composite_video_modes[1]; + sunxi_display.depth = 24; + break; } sunxi_display.fb_size = @@ -1302,6 +1452,12 @@ int sunxi_simplefb_setup(void *blob) pipeline = PIPELINE_PREFIX "de_be0-lcd0"; #endif break; + case sunxi_monitor_composite_pal: + case sunxi_monitor_composite_ntsc: + case sunxi_monitor_composite_pal_m: + case sunxi_monitor_composite_pal_nc: + pipeline = PIPELINE_PREFIX "de_be0-lcd0-tve0"; + break; } /* Find a prefilled simpefb node, matching out pipeline config */ |