drm: sun4i: tv: Add NTSC output standard

Add the settings to support the NTSC standard.

Reviewed-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

diff --git a/drivers/gpu/drm/sun4i/sun4i_tv.c b/drivers/gpu/drm/sun4i/sun4i_tv.c
index ccf275a..bc047f9 100644 (file)
--- a/drivers/gpu/drm/sun4i/sun4i_tv.c
+++ b/drivers/gpu/drm/sun4i/sun4i_tv.c
@@ -178,24 +178,69 @@ struct sun4i_tv {
        struct sun4i_drv        *drv;
 };
 
+struct video_levels ntsc_video_levels = {
+       .black = 282,   .blank = 240,
+};
+
 struct video_levels pal_video_levels = {
        .black = 252,   .blank = 252,
 };
 
+struct burst_levels ntsc_burst_levels = {
+       .cb = 79,       .cr = 0,
+};
+
 struct burst_levels pal_burst_levels = {
        .cb = 40,       .cr = 40,
 };
 
+struct color_gains ntsc_color_gains = {
+       .cb = 160,      .cr = 160,
+};
+
 struct color_gains pal_color_gains = {
        .cb = 224,      .cr = 224,
 };
 
+struct resync_parameters ntsc_resync_parameters = {
+       .field = false, .line = 14,     .pixel = 12,
+};
+
 struct resync_parameters pal_resync_parameters = {
        .field = true,  .line = 13,     .pixel = 12,
 };
 
 struct tv_mode tv_modes[] = {
        {
+               .name           = "NTSC",
+               .mode           = SUN4I_TVE_CFG0_RES_480i,
+               .chroma_freq    = 0x21f07c1f,
+               .yc_en          = true,
+               .dac3_en        = true,
+               .dac_bit25_en   = true,
+
+               .back_porch     = 118,
+               .front_porch    = 32,
+               .line_number    = 525,
+
+               .hdisplay       = 720,
+               .hfront_porch   = 18,
+               .hsync_len      = 2,
+               .hback_porch    = 118,
+
+               .vdisplay       = 480,
+               .vfront_porch   = 26,
+               .vsync_len      = 2,
+               .vback_porch    = 17,
+
+               .vblank_level   = 240,
+
+               .color_gains    = &ntsc_color_gains,
+               .burst_levels   = &ntsc_burst_levels,
+               .video_levels   = &ntsc_video_levels,
+               .resync_params  = &ntsc_resync_parameters,
+       },
+       {
                .name           = "PAL",
                .mode           = SUN4I_TVE_CFG0_RES_576i,
                .chroma_freq    = 0x2a098acb,