diff options
Diffstat (limited to 'drivers/gpu/drm/rockchip/rockchip_rgb.c')
| -rw-r--r-- | drivers/gpu/drm/rockchip/rockchip_rgb.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/gpu/drm/rockchip/rockchip_rgb.c b/drivers/gpu/drm/rockchip/rockchip_rgb.c index 5d803e2e3ec8..ec0078f28bc7 100644 --- a/drivers/gpu/drm/rockchip/rockchip_rgb.c +++ b/drivers/gpu/drm/rockchip/rockchip_rgb.c @@ -39,6 +39,15 @@ #define RK1808_GRF_PD_VO_CON1 0x0444 #define RK1808_RGB_DATA_SYNC_BYPASS(v) HIWORD_UPDATE(v, 3, 3) +#define RK3288_GRF_SOC_CON6 0x025c +#define RK3288_LVDS_LCDC_SEL(x) HIWORD_UPDATE(x, 3, 3) +#define RK3288_GRF_SOC_CON7 0x0260 +#define RK3288_LVDS_PWRDWN(x) HIWORD_UPDATE(x, 15, 15) +#define RK3288_LVDS_CON_ENABLE_2(x) HIWORD_UPDATE(x, 12, 12) +#define RK3288_LVDS_CON_ENABLE_1(x) HIWORD_UPDATE(x, 11, 11) +#define RK3288_LVDS_CON_CLKINV(x) HIWORD_UPDATE(x, 8, 8) +#define RK3288_LVDS_CON_TTL_EN(x) HIWORD_UPDATE(x, 6, 6) + struct rockchip_rgb; struct rockchip_rgb_funcs { @@ -355,11 +364,36 @@ static const struct rockchip_rgb_funcs rk1808_rgb_funcs = { .enable = rk1808_rgb_enable, }; +static void rk3288_rgb_enable(struct rockchip_rgb *rgb) +{ + int pipe = drm_of_encoder_active_endpoint_id(rgb->dev->of_node, + &rgb->encoder); + + regmap_write(rgb->grf, RK3288_GRF_SOC_CON6, RK3288_LVDS_LCDC_SEL(pipe)); + regmap_write(rgb->grf, RK3288_GRF_SOC_CON7, + RK3288_LVDS_PWRDWN(0) | RK3288_LVDS_CON_ENABLE_2(1) | + RK3288_LVDS_CON_ENABLE_1(1) | RK3288_LVDS_CON_CLKINV(0) | + RK3288_LVDS_CON_TTL_EN(1)); +} + +static void rk3288_rgb_disable(struct rockchip_rgb *rgb) +{ + regmap_write(rgb->grf, RK3288_GRF_SOC_CON7, + RK3288_LVDS_PWRDWN(1) | RK3288_LVDS_CON_ENABLE_2(0) | + RK3288_LVDS_CON_ENABLE_1(0) | RK3288_LVDS_CON_TTL_EN(0)); +} + +static const struct rockchip_rgb_funcs rk3288_rgb_funcs = { + .enable = rk3288_rgb_enable, + .disable = rk3288_rgb_disable, +}; + static const struct of_device_id rockchip_rgb_dt_ids[] = { { .compatible = "rockchip,px30-rgb", .data = &px30_rgb_funcs }, { .compatible = "rockchip,rk1808-rgb", .data = &rk1808_rgb_funcs }, { .compatible = "rockchip,rk3066-rgb", }, { .compatible = "rockchip,rk3128-rgb", }, + { .compatible = "rockchip,rk3288-rgb", .data = &rk3288_rgb_funcs }, { .compatible = "rockchip,rk3308-rgb", }, { .compatible = "rockchip,rk3368-rgb", }, { .compatible = "rockchip,rv1108-rgb", }, |