diff options
Diffstat (limited to 'drivers/gpu/drm/rockchip/dw_hdmi_qp-rockchip.c')
-rw-r--r-- | drivers/gpu/drm/rockchip/dw_hdmi_qp-rockchip.c | 147 |
1 files changed, 110 insertions, 37 deletions
diff --git a/drivers/gpu/drm/rockchip/dw_hdmi_qp-rockchip.c b/drivers/gpu/drm/rockchip/dw_hdmi_qp-rockchip.c index c8b362cc2b95..e498767a0a66 100644 --- a/drivers/gpu/drm/rockchip/dw_hdmi_qp-rockchip.c +++ b/drivers/gpu/drm/rockchip/dw_hdmi_qp-rockchip.c @@ -28,20 +28,26 @@ #define RK3588_GRF_SOC_CON2 0x0308 #define RK3588_HDMI0_HPD_INT_MSK BIT(13) #define RK3588_HDMI0_HPD_INT_CLR BIT(12) +#define RK3588_HDMI1_HPD_INT_MSK BIT(15) +#define RK3588_HDMI1_HPD_INT_CLR BIT(14) #define RK3588_GRF_SOC_CON7 0x031c #define RK3588_SET_HPD_PATH_MASK GENMASK(13, 12) #define RK3588_GRF_SOC_STATUS1 0x0384 #define RK3588_HDMI0_LEVEL_INT BIT(16) +#define RK3588_HDMI1_LEVEL_INT BIT(24) #define RK3588_GRF_VO1_CON3 0x000c +#define RK3588_GRF_VO1_CON6 0x0018 #define RK3588_SCLIN_MASK BIT(9) #define RK3588_SDAIN_MASK BIT(10) #define RK3588_MODE_MASK BIT(11) #define RK3588_I2S_SEL_MASK BIT(13) #define RK3588_GRF_VO1_CON9 0x0024 #define RK3588_HDMI0_GRANT_SEL BIT(10) +#define RK3588_HDMI1_GRANT_SEL BIT(12) #define HIWORD_UPDATE(val, mask) ((val) | (mask) << 16) #define HOTPLUG_DEBOUNCE_MS 150 +#define MAX_HDMI_PORT_NUM 2 struct rockchip_hdmi_qp { struct device *dev; @@ -53,6 +59,7 @@ struct rockchip_hdmi_qp { struct phy *phy; struct gpio_desc *enable_gpio; struct delayed_work hpd_work; + int port_id; }; static struct rockchip_hdmi_qp *to_rockchip_hdmi_qp(struct drm_encoder *encoder) @@ -127,20 +134,24 @@ dw_hdmi_qp_rk3588_read_hpd(struct dw_hdmi_qp *dw_hdmi, void *data) u32 val; regmap_read(hdmi->regmap, RK3588_GRF_SOC_STATUS1, &val); + val &= hdmi->port_id ? RK3588_HDMI1_LEVEL_INT : RK3588_HDMI0_LEVEL_INT; - return val & RK3588_HDMI0_LEVEL_INT ? - connector_status_connected : connector_status_disconnected; + return val ? connector_status_connected : connector_status_disconnected; } static void dw_hdmi_qp_rk3588_setup_hpd(struct dw_hdmi_qp *dw_hdmi, void *data) { struct rockchip_hdmi_qp *hdmi = (struct rockchip_hdmi_qp *)data; + u32 val; + + if (hdmi->port_id) + val = HIWORD_UPDATE(RK3588_HDMI1_HPD_INT_CLR, + RK3588_HDMI1_HPD_INT_CLR | RK3588_HDMI1_HPD_INT_MSK); + else + val = HIWORD_UPDATE(RK3588_HDMI0_HPD_INT_CLR, + RK3588_HDMI0_HPD_INT_CLR | RK3588_HDMI0_HPD_INT_MSK); - regmap_write(hdmi->regmap, - RK3588_GRF_SOC_CON2, - HIWORD_UPDATE(RK3588_HDMI0_HPD_INT_CLR, - RK3588_HDMI0_HPD_INT_CLR | - RK3588_HDMI0_HPD_INT_MSK)); + regmap_write(hdmi->regmap, RK3588_GRF_SOC_CON2, val); } static const struct dw_hdmi_qp_phy_ops rk3588_hdmi_phy_ops = { @@ -173,8 +184,12 @@ static irqreturn_t dw_hdmi_qp_rk3588_hardirq(int irq, void *dev_id) regmap_read(hdmi->regmap, RK3588_GRF_SOC_STATUS1, &intr_stat); if (intr_stat) { - val = HIWORD_UPDATE(RK3588_HDMI0_HPD_INT_MSK, - RK3588_HDMI0_HPD_INT_MSK); + if (hdmi->port_id) + val = HIWORD_UPDATE(RK3588_HDMI1_HPD_INT_MSK, + RK3588_HDMI1_HPD_INT_MSK); + else + val = HIWORD_UPDATE(RK3588_HDMI0_HPD_INT_MSK, + RK3588_HDMI0_HPD_INT_MSK); regmap_write(hdmi->regmap, RK3588_GRF_SOC_CON2, val); return IRQ_WAKE_THREAD; } @@ -191,22 +206,44 @@ static irqreturn_t dw_hdmi_qp_rk3588_irq(int irq, void *dev_id) if (!intr_stat) return IRQ_NONE; - val = HIWORD_UPDATE(RK3588_HDMI0_HPD_INT_CLR, - RK3588_HDMI0_HPD_INT_CLR); + if (hdmi->port_id) + val = HIWORD_UPDATE(RK3588_HDMI1_HPD_INT_CLR, + RK3588_HDMI1_HPD_INT_CLR); + else + val = HIWORD_UPDATE(RK3588_HDMI0_HPD_INT_CLR, + RK3588_HDMI0_HPD_INT_CLR); regmap_write(hdmi->regmap, RK3588_GRF_SOC_CON2, val); mod_delayed_work(system_wq, &hdmi->hpd_work, msecs_to_jiffies(HOTPLUG_DEBOUNCE_MS)); - val |= HIWORD_UPDATE(0, RK3588_HDMI0_HPD_INT_MSK); + if (hdmi->port_id) + val |= HIWORD_UPDATE(0, RK3588_HDMI1_HPD_INT_MSK); + else + val |= HIWORD_UPDATE(0, RK3588_HDMI0_HPD_INT_MSK); regmap_write(hdmi->regmap, RK3588_GRF_SOC_CON2, val); return IRQ_HANDLED; } +struct rockchip_hdmi_qp_cfg { + unsigned int num_ports; + unsigned int port_ids[MAX_HDMI_PORT_NUM]; + const struct dw_hdmi_qp_phy_ops *phy_ops; +}; + +static const struct rockchip_hdmi_qp_cfg rk3588_hdmi_cfg = { + .num_ports = 2, + .port_ids = { + 0xfde80000, + 0xfdea0000, + }, + .phy_ops = &rk3588_hdmi_phy_ops, +}; + static const struct of_device_id dw_hdmi_qp_rockchip_dt_ids[] = { { .compatible = "rockchip,rk3588-dw-hdmi-qp", - .data = &rk3588_hdmi_phy_ops }, + .data = &rk3588_hdmi_cfg }, {}, }; MODULE_DEVICE_TABLE(of, dw_hdmi_qp_rockchip_dt_ids); @@ -214,17 +251,15 @@ MODULE_DEVICE_TABLE(of, dw_hdmi_qp_rockchip_dt_ids); static int dw_hdmi_qp_rockchip_bind(struct device *dev, struct device *master, void *data) { - static const char * const clk_names[] = { - "pclk", "earc", "aud", "hdp", "hclk_vo1", - "ref" /* keep "ref" last */ - }; struct platform_device *pdev = to_platform_device(dev); + const struct rockchip_hdmi_qp_cfg *cfg; struct dw_hdmi_qp_plat_data plat_data; struct drm_device *drm = data; struct drm_connector *connector; struct drm_encoder *encoder; struct rockchip_hdmi_qp *hdmi; - struct clk *clk; + struct resource *res; + struct clk_bulk_data *clks; int ret, irq, i; u32 val; @@ -235,12 +270,31 @@ static int dw_hdmi_qp_rockchip_bind(struct device *dev, struct device *master, if (!hdmi) return -ENOMEM; - plat_data.phy_ops = of_device_get_match_data(dev); - if (!plat_data.phy_ops) + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) + return -ENODEV; + + cfg = of_device_get_match_data(dev); + if (!cfg) return -ENODEV; - plat_data.phy_data = hdmi; hdmi->dev = &pdev->dev; + hdmi->port_id = -ENODEV; + + /* Identify port ID by matching base IO address */ + for (i = 0; i < cfg->num_ports; i++) { + if (res->start == cfg->port_ids[i]) { + hdmi->port_id = i; + break; + } + } + if (hdmi->port_id < 0) { + drm_err(hdmi, "Failed to match HDMI port ID\n"); + return hdmi->port_id; + } + + plat_data.phy_ops = cfg->phy_ops; + plat_data.phy_data = hdmi; encoder = &hdmi->encoder.encoder; encoder->possible_crtcs = drm_of_find_possible_crtcs(drm, dev->of_node); @@ -270,18 +324,22 @@ static int dw_hdmi_qp_rockchip_bind(struct device *dev, struct device *master, return PTR_ERR(hdmi->vo_regmap); } - for (i = 0; i < ARRAY_SIZE(clk_names); i++) { - clk = devm_clk_get_enabled(hdmi->dev, clk_names[i]); + ret = devm_clk_bulk_get_all_enabled(hdmi->dev, &clks); + if (ret < 0) { + drm_err(hdmi, "Failed to get clocks: %d\n", ret); + return ret; + } - if (IS_ERR(clk)) { - ret = PTR_ERR(clk); - if (ret != -EPROBE_DEFER) - drm_err(hdmi, "Failed to get %s clock: %d\n", - clk_names[i], ret); - return ret; + for (i = 0; i < ret; i++) { + if (!strcmp(clks[i].id, "ref")) { + hdmi->ref_clk = clks[1].clk; + break; } } - hdmi->ref_clk = clk; + if (!hdmi->ref_clk) { + drm_err(hdmi, "Missing ref clock\n"); + return -EINVAL; + } hdmi->enable_gpio = devm_gpiod_get_optional(hdmi->dev, "enable", GPIOD_OUT_HIGH); @@ -303,17 +361,26 @@ static int dw_hdmi_qp_rockchip_bind(struct device *dev, struct device *master, HIWORD_UPDATE(RK3588_SDAIN_MASK, RK3588_SDAIN_MASK) | HIWORD_UPDATE(RK3588_MODE_MASK, RK3588_MODE_MASK) | HIWORD_UPDATE(RK3588_I2S_SEL_MASK, RK3588_I2S_SEL_MASK); - regmap_write(hdmi->vo_regmap, RK3588_GRF_VO1_CON3, val); + regmap_write(hdmi->vo_regmap, + hdmi->port_id ? RK3588_GRF_VO1_CON6 : RK3588_GRF_VO1_CON3, + val); val = HIWORD_UPDATE(RK3588_SET_HPD_PATH_MASK, RK3588_SET_HPD_PATH_MASK); regmap_write(hdmi->regmap, RK3588_GRF_SOC_CON7, val); - val = HIWORD_UPDATE(RK3588_HDMI0_GRANT_SEL, - RK3588_HDMI0_GRANT_SEL); + if (hdmi->port_id) + val = HIWORD_UPDATE(RK3588_HDMI1_GRANT_SEL, + RK3588_HDMI1_GRANT_SEL); + else + val = HIWORD_UPDATE(RK3588_HDMI0_GRANT_SEL, + RK3588_HDMI0_GRANT_SEL); regmap_write(hdmi->vo_regmap, RK3588_GRF_VO1_CON9, val); - val = HIWORD_UPDATE(RK3588_HDMI0_HPD_INT_MSK, RK3588_HDMI0_HPD_INT_MSK); + if (hdmi->port_id) + val = HIWORD_UPDATE(RK3588_HDMI1_HPD_INT_MSK, RK3588_HDMI1_HPD_INT_MSK); + else + val = HIWORD_UPDATE(RK3588_HDMI0_HPD_INT_MSK, RK3588_HDMI0_HPD_INT_MSK); regmap_write(hdmi->regmap, RK3588_GRF_SOC_CON2, val); INIT_DELAYED_WORK(&hdmi->hpd_work, dw_hdmi_qp_rk3588_hpd_work); @@ -391,14 +458,20 @@ static int __maybe_unused dw_hdmi_qp_rockchip_resume(struct device *dev) HIWORD_UPDATE(RK3588_SDAIN_MASK, RK3588_SDAIN_MASK) | HIWORD_UPDATE(RK3588_MODE_MASK, RK3588_MODE_MASK) | HIWORD_UPDATE(RK3588_I2S_SEL_MASK, RK3588_I2S_SEL_MASK); - regmap_write(hdmi->vo_regmap, RK3588_GRF_VO1_CON3, val); + regmap_write(hdmi->vo_regmap, + hdmi->port_id ? RK3588_GRF_VO1_CON6 : RK3588_GRF_VO1_CON3, + val); val = HIWORD_UPDATE(RK3588_SET_HPD_PATH_MASK, RK3588_SET_HPD_PATH_MASK); regmap_write(hdmi->regmap, RK3588_GRF_SOC_CON7, val); - val = HIWORD_UPDATE(RK3588_HDMI0_GRANT_SEL, - RK3588_HDMI0_GRANT_SEL); + if (hdmi->port_id) + val = HIWORD_UPDATE(RK3588_HDMI1_GRANT_SEL, + RK3588_HDMI1_GRANT_SEL); + else + val = HIWORD_UPDATE(RK3588_HDMI0_GRANT_SEL, + RK3588_HDMI0_GRANT_SEL); regmap_write(hdmi->vo_regmap, RK3588_GRF_VO1_CON9, val); dw_hdmi_qp_resume(dev, hdmi->hdmi); |