diff options
author | Mark Yao <mark.yao@rock-chips.com> | 2017-06-22 15:17:24 +0800 |
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committer | Mark Yao <mark.yao@rock-chips.com> | 2017-06-23 08:52:03 +0800 |
commit | 6445e394c54b61974491fccbf2e4fcd990d2fa8b (patch) | |
tree | 4f6fb432e9bd7f7963d45d31e6af33db4d020162 /drivers/gpu/drm/rockchip | |
parent | 364a7bf574ebbd7c001a1c3f79816d0480062f80 (diff) | |
download | linux-6445e394c54b61974491fccbf2e4fcd990d2fa8b.tar.bz2 |
drm/rockchip: dw_hdmi: add RK3399 HDMI support
RK3399 and RK3288 shared the same HDMI IP controller, only some light
difference with GRF configure.
Signed-off-by: Yakir Yang <ykk@rock-chips.com>
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
Acked-by: Rob Herring <robh@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/rockchip')
-rw-r--r-- | drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c | 67 |
1 files changed, 56 insertions, 11 deletions
diff --git a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c index f8208489724e..e7bab14134da 100644 --- a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c +++ b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c @@ -20,13 +20,30 @@ #include "rockchip_drm_drv.h" #include "rockchip_drm_vop.h" -#define GRF_SOC_CON6 0x025c -#define HDMI_SEL_VOP_LIT (1 << 4) +#define RK3288_GRF_SOC_CON6 0x025C +#define RK3288_HDMI_LCDC_SEL BIT(4) +#define RK3399_GRF_SOC_CON20 0x6250 +#define RK3399_HDMI_LCDC_SEL BIT(6) + +#define HIWORD_UPDATE(val, mask) (val | (mask) << 16) + +/** + * struct rockchip_hdmi_chip_data - splite the grf setting of kind of chips + * @lcdsel_grf_reg: grf register offset of lcdc select + * @lcdsel_big: reg value of selecting vop big for HDMI + * @lcdsel_lit: reg value of selecting vop little for HDMI + */ +struct rockchip_hdmi_chip_data { + u32 lcdsel_grf_reg; + u32 lcdsel_big; + u32 lcdsel_lit; +}; struct rockchip_hdmi { struct device *dev; struct regmap *regmap; struct drm_encoder encoder; + const struct rockchip_hdmi_chip_data *chip_data; }; #define to_rockchip_hdmi(x) container_of(x, struct rockchip_hdmi, x) @@ -198,17 +215,20 @@ static void dw_hdmi_rockchip_encoder_enable(struct drm_encoder *encoder) { struct rockchip_hdmi *hdmi = to_rockchip_hdmi(encoder); u32 val; - int mux; + int ret; - mux = drm_of_encoder_active_endpoint_id(hdmi->dev->of_node, encoder); - if (mux) - val = HDMI_SEL_VOP_LIT | (HDMI_SEL_VOP_LIT << 16); + ret = drm_of_encoder_active_endpoint_id(hdmi->dev->of_node, encoder); + if (ret) + val = hdmi->chip_data->lcdsel_lit; else - val = HDMI_SEL_VOP_LIT << 16; + val = hdmi->chip_data->lcdsel_big; + + ret = regmap_write(hdmi->regmap, hdmi->chip_data->lcdsel_grf_reg, val); + if (ret != 0) + dev_err(hdmi->dev, "Could not write to GRF: %d\n", ret); - regmap_write(hdmi->regmap, GRF_SOC_CON6, val); dev_dbg(hdmi->dev, "vop %s output to hdmi\n", - (mux) ? "LIT" : "BIG"); + ret ? "LIT" : "BIG"); } static int @@ -232,16 +252,40 @@ static const struct drm_encoder_helper_funcs dw_hdmi_rockchip_encoder_helper_fun .atomic_check = dw_hdmi_rockchip_encoder_atomic_check, }; -static const struct dw_hdmi_plat_data rockchip_hdmi_drv_data = { +static struct rockchip_hdmi_chip_data rk3288_chip_data = { + .lcdsel_grf_reg = RK3288_GRF_SOC_CON6, + .lcdsel_big = HIWORD_UPDATE(0, RK3288_HDMI_LCDC_SEL), + .lcdsel_lit = HIWORD_UPDATE(RK3288_HDMI_LCDC_SEL, RK3288_HDMI_LCDC_SEL), +}; + +static const struct dw_hdmi_plat_data rk3288_hdmi_drv_data = { + .mode_valid = dw_hdmi_rockchip_mode_valid, + .mpll_cfg = rockchip_mpll_cfg, + .cur_ctr = rockchip_cur_ctr, + .phy_config = rockchip_phy_config, + .phy_data = &rk3288_chip_data, +}; + +static struct rockchip_hdmi_chip_data rk3399_chip_data = { + .lcdsel_grf_reg = RK3399_GRF_SOC_CON20, + .lcdsel_big = HIWORD_UPDATE(0, RK3399_HDMI_LCDC_SEL), + .lcdsel_lit = HIWORD_UPDATE(RK3399_HDMI_LCDC_SEL, RK3399_HDMI_LCDC_SEL), +}; + +static const struct dw_hdmi_plat_data rk3399_hdmi_drv_data = { .mode_valid = dw_hdmi_rockchip_mode_valid, .mpll_cfg = rockchip_mpll_cfg, .cur_ctr = rockchip_cur_ctr, .phy_config = rockchip_phy_config, + .phy_data = &rk3399_chip_data, }; static const struct of_device_id dw_hdmi_rockchip_dt_ids[] = { { .compatible = "rockchip,rk3288-dw-hdmi", - .data = &rockchip_hdmi_drv_data + .data = &rk3288_hdmi_drv_data + }, + { .compatible = "rockchip,rk3399-dw-hdmi", + .data = &rk3399_hdmi_drv_data }, {}, }; @@ -268,6 +312,7 @@ static int dw_hdmi_rockchip_bind(struct device *dev, struct device *master, match = of_match_node(dw_hdmi_rockchip_dt_ids, pdev->dev.of_node); plat_data = match->data; hdmi->dev = &pdev->dev; + hdmi->chip_data = plat_data->phy_data; encoder = &hdmi->encoder; encoder->possible_crtcs = drm_of_find_possible_crtcs(drm, dev->of_node); |