diff options
Diffstat (limited to 'drivers/gpu/drm/mediatek')
| -rw-r--r-- | drivers/gpu/drm/mediatek/mtk_dpi.c | 20 | ||||
| -rw-r--r-- | drivers/gpu/drm/mediatek/mtk_dsi.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/mediatek/mtk_hdmi.c | 64 |
3 files changed, 76 insertions, 10 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c index 01fa8b8d763d..4f0ce4cd5b8c 100644 --- a/drivers/gpu/drm/mediatek/mtk_dpi.c +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c @@ -607,7 +607,7 @@ static int mtk_dpi_bind(struct device *dev, struct device *master, void *data) /* Currently DPI0 is fixed to be driven by OVL1 */ dpi->encoder.possible_crtcs = BIT(1); - ret = drm_bridge_attach(&dpi->encoder, dpi->bridge, NULL); + ret = drm_bridge_attach(&dpi->encoder, dpi->bridge, NULL, 0); if (ret) { dev_err(dev, "Failed to attach bridge: %d\n", ret); goto err_cleanup; @@ -664,6 +664,16 @@ static unsigned int mt2701_calculate_factor(int clock) return 1; } +static unsigned int mt8183_calculate_factor(int clock) +{ + if (clock <= 27000) + return 8; + else if (clock <= 167000) + return 4; + else + return 2; +} + static const struct mtk_dpi_conf mt8173_conf = { .cal_factor = mt8173_calculate_factor, .reg_h_fre_con = 0xe0, @@ -675,6 +685,11 @@ static const struct mtk_dpi_conf mt2701_conf = { .edge_sel_en = true, }; +static const struct mtk_dpi_conf mt8183_conf = { + .cal_factor = mt8183_calculate_factor, + .reg_h_fre_con = 0xe0, +}; + static int mtk_dpi_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -770,6 +785,9 @@ static const struct of_device_id mtk_dpi_of_ids[] = { { .compatible = "mediatek,mt8173-dpi", .data = &mt8173_conf, }, + { .compatible = "mediatek,mt8183-dpi", + .data = &mt8183_conf, + }, { }, }; diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c index 5fa1073cf26b..0ede69830a9d 100644 --- a/drivers/gpu/drm/mediatek/mtk_dsi.c +++ b/drivers/gpu/drm/mediatek/mtk_dsi.c @@ -904,7 +904,7 @@ static int mtk_dsi_create_conn_enc(struct drm_device *drm, struct mtk_dsi *dsi) /* If there's a bridge, attach to it and let it create the connector */ if (dsi->bridge) { - ret = drm_bridge_attach(&dsi->encoder, dsi->bridge, NULL); + ret = drm_bridge_attach(&dsi->encoder, dsi->bridge, NULL, 0); if (ret) { DRM_ERROR("Failed to attach bridge to drm\n"); goto err_encoder_cleanup; diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi.c b/drivers/gpu/drm/mediatek/mtk_hdmi.c index 5e4a4dbda443..ff43a3d80410 100644 --- a/drivers/gpu/drm/mediatek/mtk_hdmi.c +++ b/drivers/gpu/drm/mediatek/mtk_hdmi.c @@ -12,6 +12,7 @@ #include <linux/io.h> #include <linux/kernel.h> #include <linux/mfd/syscon.h> +#include <linux/mutex.h> #include <linux/of_platform.h> #include <linux/of.h> #include <linux/of_gpio.h> @@ -169,6 +170,9 @@ struct mtk_hdmi { bool audio_enable; bool powered; bool enabled; + hdmi_codec_plugged_cb plugged_cb; + struct device *codec_dev; + struct mutex update_plugged_status_lock; }; static inline struct mtk_hdmi *hdmi_ctx_from_bridge(struct drm_bridge *b) @@ -1194,13 +1198,26 @@ static void mtk_hdmi_clk_disable_audio(struct mtk_hdmi *hdmi) clk_disable_unprepare(hdmi->clk[MTK_HDMI_CLK_AUD_SPDIF]); } +static enum drm_connector_status +mtk_hdmi_update_plugged_status(struct mtk_hdmi *hdmi) +{ + bool connected; + + mutex_lock(&hdmi->update_plugged_status_lock); + connected = mtk_cec_hpd_high(hdmi->cec_dev); + if (hdmi->plugged_cb && hdmi->codec_dev) + hdmi->plugged_cb(hdmi->codec_dev, connected); + mutex_unlock(&hdmi->update_plugged_status_lock); + + return connected ? + connector_status_connected : connector_status_disconnected; +} + static enum drm_connector_status hdmi_conn_detect(struct drm_connector *conn, bool force) { struct mtk_hdmi *hdmi = hdmi_ctx_from_conn(conn); - - return mtk_cec_hpd_high(hdmi->cec_dev) ? - connector_status_connected : connector_status_disconnected; + return mtk_hdmi_update_plugged_status(hdmi); } static void hdmi_conn_destroy(struct drm_connector *conn) @@ -1297,11 +1314,17 @@ static void mtk_hdmi_hpd_event(bool hpd, struct device *dev) * Bridge callbacks */ -static int mtk_hdmi_bridge_attach(struct drm_bridge *bridge) +static int mtk_hdmi_bridge_attach(struct drm_bridge *bridge, + enum drm_bridge_attach_flags flags) { struct mtk_hdmi *hdmi = hdmi_ctx_from_bridge(bridge); int ret; + if (flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR) { + DRM_ERROR("Fix bridge driver to make connector optional!"); + return -EINVAL; + } + ret = drm_connector_init_with_ddc(bridge->encoder->dev, &hdmi->conn, &mtk_hdmi_connector_funcs, DRM_MODE_CONNECTOR_HDMIA, @@ -1326,7 +1349,7 @@ static int mtk_hdmi_bridge_attach(struct drm_bridge *bridge) if (hdmi->next_bridge) { ret = drm_bridge_attach(bridge->encoder, hdmi->next_bridge, - bridge); + bridge, flags); if (ret) { dev_err(hdmi->dev, "Failed to attach external bridge: %d\n", ret); @@ -1651,20 +1674,39 @@ static int mtk_hdmi_audio_get_eld(struct device *dev, void *data, uint8_t *buf, return 0; } +static int mtk_hdmi_audio_hook_plugged_cb(struct device *dev, void *data, + hdmi_codec_plugged_cb fn, + struct device *codec_dev) +{ + struct mtk_hdmi *hdmi = data; + + mutex_lock(&hdmi->update_plugged_status_lock); + hdmi->plugged_cb = fn; + hdmi->codec_dev = codec_dev; + mutex_unlock(&hdmi->update_plugged_status_lock); + + mtk_hdmi_update_plugged_status(hdmi); + + return 0; +} + static const struct hdmi_codec_ops mtk_hdmi_audio_codec_ops = { .hw_params = mtk_hdmi_audio_hw_params, .audio_startup = mtk_hdmi_audio_startup, .audio_shutdown = mtk_hdmi_audio_shutdown, .digital_mute = mtk_hdmi_audio_digital_mute, .get_eld = mtk_hdmi_audio_get_eld, + .hook_plugged_cb = mtk_hdmi_audio_hook_plugged_cb, }; -static void mtk_hdmi_register_audio_driver(struct device *dev) +static int mtk_hdmi_register_audio_driver(struct device *dev) { + struct mtk_hdmi *hdmi = dev_get_drvdata(dev); struct hdmi_codec_pdata codec_data = { .ops = &mtk_hdmi_audio_codec_ops, .max_i2s_channels = 2, .i2s = 1, + .data = hdmi, }; struct platform_device *pdev; @@ -1672,9 +1714,10 @@ static void mtk_hdmi_register_audio_driver(struct device *dev) PLATFORM_DEVID_AUTO, &codec_data, sizeof(codec_data)); if (IS_ERR(pdev)) - return; + return PTR_ERR(pdev); DRM_INFO("%s driver bound to HDMI\n", HDMI_CODEC_DRV_NAME); + return 0; } static int mtk_drm_hdmi_probe(struct platform_device *pdev) @@ -1700,6 +1743,7 @@ static int mtk_drm_hdmi_probe(struct platform_device *pdev) return ret; } + mutex_init(&hdmi->update_plugged_status_lock); platform_set_drvdata(pdev, hdmi); ret = mtk_hdmi_output_init(hdmi); @@ -1708,7 +1752,11 @@ static int mtk_drm_hdmi_probe(struct platform_device *pdev) return ret; } - mtk_hdmi_register_audio_driver(dev); + ret = mtk_hdmi_register_audio_driver(dev); + if (ret) { + dev_err(dev, "Failed to register audio driver: %d\n", ret); + return ret; + } hdmi->bridge.funcs = &mtk_hdmi_bridge_funcs; hdmi->bridge.of_node = pdev->dev.of_node; |