diff options
Diffstat (limited to 'drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c')
-rw-r--r-- | drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c | 107 |
1 files changed, 41 insertions, 66 deletions
diff --git a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c index fe33092abbe7..240552eb517f 100644 --- a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c +++ b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c @@ -61,11 +61,13 @@ * @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 + * @max_tmds_clock: maximum TMDS clock rate supported */ struct rockchip_hdmi_chip_data { int lcdsel_grf_reg; u32 lcdsel_big; u32 lcdsel_lit; + int max_tmds_clock; }; struct rockchip_hdmi { @@ -77,8 +79,6 @@ struct rockchip_hdmi { struct clk *ref_clk; struct clk *grf_clk; struct dw_hdmi *hdmi; - struct regulator *avdd_0v9; - struct regulator *avdd_1v8; struct phy *phy; }; @@ -209,43 +209,40 @@ static const struct dw_hdmi_phy_config rockchip_phy_config[] = { static int rockchip_hdmi_parse_dt(struct rockchip_hdmi *hdmi) { struct device_node *np = hdmi->dev->of_node; + int ret; hdmi->regmap = syscon_regmap_lookup_by_phandle(np, "rockchip,grf"); if (IS_ERR(hdmi->regmap)) { - DRM_DEV_ERROR(hdmi->dev, "Unable to get rockchip,grf\n"); + drm_err(hdmi, "Unable to get rockchip,grf\n"); return PTR_ERR(hdmi->regmap); } - hdmi->ref_clk = devm_clk_get_optional(hdmi->dev, "ref"); + hdmi->ref_clk = devm_clk_get_optional_enabled(hdmi->dev, "ref"); if (!hdmi->ref_clk) - hdmi->ref_clk = devm_clk_get_optional(hdmi->dev, "vpll"); + hdmi->ref_clk = devm_clk_get_optional_enabled(hdmi->dev, "vpll"); - if (PTR_ERR(hdmi->ref_clk) == -EPROBE_DEFER) { - return -EPROBE_DEFER; - } else if (IS_ERR(hdmi->ref_clk)) { - DRM_DEV_ERROR(hdmi->dev, "failed to get reference clock\n"); - return PTR_ERR(hdmi->ref_clk); + if (IS_ERR(hdmi->ref_clk)) { + ret = PTR_ERR(hdmi->ref_clk); + if (ret != -EPROBE_DEFER) + drm_err(hdmi, "failed to get reference clock\n"); + return ret; } - hdmi->grf_clk = devm_clk_get(hdmi->dev, "grf"); - if (PTR_ERR(hdmi->grf_clk) == -ENOENT) { - hdmi->grf_clk = NULL; - } else if (PTR_ERR(hdmi->grf_clk) == -EPROBE_DEFER) { - return -EPROBE_DEFER; - } else if (IS_ERR(hdmi->grf_clk)) { - DRM_DEV_ERROR(hdmi->dev, "failed to get grf clock\n"); - return PTR_ERR(hdmi->grf_clk); + hdmi->grf_clk = devm_clk_get_optional(hdmi->dev, "grf"); + if (IS_ERR(hdmi->grf_clk)) { + ret = PTR_ERR(hdmi->grf_clk); + if (ret != -EPROBE_DEFER) + drm_err(hdmi, "failed to get grf clock\n"); + return ret; } - hdmi->avdd_0v9 = devm_regulator_get(hdmi->dev, "avdd-0v9"); - if (IS_ERR(hdmi->avdd_0v9)) - return PTR_ERR(hdmi->avdd_0v9); + ret = devm_regulator_get_enable(hdmi->dev, "avdd-0v9"); + if (ret) + return ret; - hdmi->avdd_1v8 = devm_regulator_get(hdmi->dev, "avdd-1v8"); - if (IS_ERR(hdmi->avdd_1v8)) - return PTR_ERR(hdmi->avdd_1v8); + ret = devm_regulator_get_enable(hdmi->dev, "avdd-1v8"); - return 0; + return ret; } static enum drm_mode_status @@ -259,6 +256,10 @@ dw_hdmi_rockchip_mode_valid(struct dw_hdmi *dw_hdmi, void *data, bool exact_match = hdmi->plat_data->phy_force_vendor; int i; + if (hdmi->chip_data->max_tmds_clock && + mode->clock > hdmi->chip_data->max_tmds_clock) + return MODE_CLOCK_HIGH; + if (hdmi->ref_clk) { int rpclk = clk_round_rate(hdmi->ref_clk, pclk); @@ -322,17 +323,16 @@ static void dw_hdmi_rockchip_encoder_enable(struct drm_encoder *encoder) ret = clk_prepare_enable(hdmi->grf_clk); if (ret < 0) { - DRM_DEV_ERROR(hdmi->dev, "failed to enable grfclk %d\n", ret); + drm_err(hdmi, "failed to enable grfclk %d\n", ret); return; } ret = regmap_write(hdmi->regmap, hdmi->chip_data->lcdsel_grf_reg, val); if (ret != 0) - DRM_DEV_ERROR(hdmi->dev, "Could not write to GRF: %d\n", ret); + drm_err(hdmi, "Could not write to GRF: %d\n", ret); clk_disable_unprepare(hdmi->grf_clk); - DRM_DEV_DEBUG(hdmi->dev, "vop %s output to hdmi\n", - ret ? "LIT" : "BIG"); + drm_dbg(hdmi, "vop %s output to hdmi\n", ret ? "LIT" : "BIG"); } static int @@ -362,6 +362,8 @@ static int dw_hdmi_rockchip_genphy_init(struct dw_hdmi *dw_hdmi, void *data, { struct rockchip_hdmi *hdmi = (struct rockchip_hdmi *)data; + dw_hdmi_set_high_tmds_clock_ratio(dw_hdmi, display); + return phy_power_on(hdmi->phy); } @@ -434,6 +436,8 @@ static void dw_hdmi_rk3328_setup_hpd(struct dw_hdmi *dw_hdmi, void *data) HIWORD_UPDATE(RK3328_HDMI_SDAIN_MSK | RK3328_HDMI_SCLIN_MSK, RK3328_HDMI_SDAIN_MSK | RK3328_HDMI_SCLIN_MSK | RK3328_HDMI_HPD_IOE)); + + dw_hdmi_rk3328_read_hpd(dw_hdmi, data); } static const struct dw_hdmi_phy_ops rk3228_hdmi_phy_ops = { @@ -446,13 +450,11 @@ static const struct dw_hdmi_phy_ops rk3228_hdmi_phy_ops = { static struct rockchip_hdmi_chip_data rk3228_chip_data = { .lcdsel_grf_reg = -1, + .max_tmds_clock = 594000, }; static const struct dw_hdmi_plat_data rk3228_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 = &rk3228_chip_data, .phy_ops = &rk3228_hdmi_phy_ops, .phy_name = "inno_dw_hdmi_phy2", @@ -463,6 +465,7 @@ 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), + .max_tmds_clock = 340000, }; static const struct dw_hdmi_plat_data rk3288_hdmi_drv_data = { @@ -483,13 +486,11 @@ static const struct dw_hdmi_phy_ops rk3328_hdmi_phy_ops = { static struct rockchip_hdmi_chip_data rk3328_chip_data = { .lcdsel_grf_reg = -1, + .max_tmds_clock = 594000, }; static const struct dw_hdmi_plat_data rk3328_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 = &rk3328_chip_data, .phy_ops = &rk3328_hdmi_phy_ops, .phy_name = "inno_dw_hdmi_phy2", @@ -501,6 +502,7 @@ 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), + .max_tmds_clock = 340000, }; static const struct dw_hdmi_plat_data rk3399_hdmi_drv_data = { @@ -514,6 +516,7 @@ static const struct dw_hdmi_plat_data rk3399_hdmi_drv_data = { static struct rockchip_hdmi_chip_data rk3568_chip_data = { .lcdsel_grf_reg = -1, + .max_tmds_clock = 340000, }; static const struct dw_hdmi_plat_data rk3568_hdmi_drv_data = { @@ -592,7 +595,7 @@ static int dw_hdmi_rockchip_bind(struct device *dev, struct device *master, ret = rockchip_hdmi_parse_dt(hdmi); if (ret) { if (ret != -EPROBE_DEFER) - DRM_DEV_ERROR(hdmi->dev, "Unable to parse OF data\n"); + drm_err(hdmi, "Unable to parse OF data\n"); return ret; } @@ -600,29 +603,10 @@ static int dw_hdmi_rockchip_bind(struct device *dev, struct device *master, if (IS_ERR(hdmi->phy)) { ret = PTR_ERR(hdmi->phy); if (ret != -EPROBE_DEFER) - DRM_DEV_ERROR(hdmi->dev, "failed to get phy\n"); + drm_err(hdmi, "failed to get phy\n"); return ret; } - ret = regulator_enable(hdmi->avdd_0v9); - if (ret) { - DRM_DEV_ERROR(hdmi->dev, "failed to enable avdd0v9: %d\n", ret); - goto err_avdd_0v9; - } - - ret = regulator_enable(hdmi->avdd_1v8); - if (ret) { - DRM_DEV_ERROR(hdmi->dev, "failed to enable avdd1v8: %d\n", ret); - goto err_avdd_1v8; - } - - ret = clk_prepare_enable(hdmi->ref_clk); - if (ret) { - DRM_DEV_ERROR(hdmi->dev, "Failed to enable HDMI reference clock: %d\n", - ret); - goto err_clk; - } - if (hdmi->chip_data == &rk3568_chip_data) { regmap_write(hdmi->regmap, RK3568_GRF_VO_CON1, HIWORD_UPDATE(RK3568_HDMI_SDAIN_MSK | @@ -651,12 +635,7 @@ static int dw_hdmi_rockchip_bind(struct device *dev, struct device *master, err_bind: drm_encoder_cleanup(encoder); - clk_disable_unprepare(hdmi->ref_clk); -err_clk: - regulator_disable(hdmi->avdd_1v8); -err_avdd_1v8: - regulator_disable(hdmi->avdd_0v9); -err_avdd_0v9: + return ret; } @@ -667,10 +646,6 @@ static void dw_hdmi_rockchip_unbind(struct device *dev, struct device *master, dw_hdmi_unbind(hdmi->hdmi); drm_encoder_cleanup(&hdmi->encoder.encoder); - clk_disable_unprepare(hdmi->ref_clk); - - regulator_disable(hdmi->avdd_1v8); - regulator_disable(hdmi->avdd_0v9); } static const struct component_ops dw_hdmi_rockchip_ops = { |