diff options
Diffstat (limited to 'drivers/gpu/drm/mediatek/mtk_hdmi.c')
| -rw-r--r-- | drivers/gpu/drm/mediatek/mtk_hdmi.c | 47 |
1 files changed, 35 insertions, 12 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi.c b/drivers/gpu/drm/mediatek/mtk_hdmi.c index f2e9b429960b..97a1ff529a1d 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/module.h> #include <linux/mutex.h> #include <linux/of_platform.h> #include <linux/of.h> @@ -145,11 +146,16 @@ struct hdmi_audio_param { struct hdmi_codec_params codec_params; }; +struct mtk_hdmi_conf { + bool tz_disabled; +}; + struct mtk_hdmi { struct drm_bridge bridge; struct drm_bridge *next_bridge; struct drm_connector conn; struct device *dev; + const struct mtk_hdmi_conf *conf; struct phy *phy; struct device *cec_dev; struct i2c_adapter *ddc_adpt; @@ -234,7 +240,6 @@ static void mtk_hdmi_hw_vid_black(struct mtk_hdmi *hdmi, bool black) static void mtk_hdmi_hw_make_reg_writable(struct mtk_hdmi *hdmi, bool enable) { struct arm_smccc_res res; - struct mtk_hdmi_phy *hdmi_phy = phy_get_drvdata(hdmi->phy); /* * MT8173 HDMI hardware has an output control bit to enable/disable HDMI @@ -242,7 +247,7 @@ static void mtk_hdmi_hw_make_reg_writable(struct mtk_hdmi *hdmi, bool enable) * The ARM trusted firmware provides an API for the HDMI driver to set * this control bit to enable HDMI output in supervisor mode. */ - if (hdmi_phy->conf && hdmi_phy->conf->tz_disabled) + if (hdmi->conf && hdmi->conf->tz_disabled) regmap_update_bits(hdmi->sys_regmap, hdmi->sys_offset + HDMI_SYS_CFG20, 0x80008005, enable ? 0x80000005 : 0x8000); @@ -1507,25 +1512,30 @@ static int mtk_hdmi_dt_parse_pdata(struct mtk_hdmi *hdmi, dev_err(dev, "Failed to get system configuration registers: %d\n", ret); - return ret; + goto put_device; } hdmi->sys_regmap = regmap; mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); hdmi->regs = devm_ioremap_resource(dev, mem); - if (IS_ERR(hdmi->regs)) - return PTR_ERR(hdmi->regs); + if (IS_ERR(hdmi->regs)) { + ret = PTR_ERR(hdmi->regs); + goto put_device; + } remote = of_graph_get_remote_node(np, 1, 0); - if (!remote) - return -EINVAL; + if (!remote) { + ret = -EINVAL; + goto put_device; + } if (!of_device_is_compatible(remote, "hdmi-connector")) { hdmi->next_bridge = of_drm_find_bridge(remote); if (!hdmi->next_bridge) { dev_err(dev, "Waiting for external bridge\n"); of_node_put(remote); - return -EPROBE_DEFER; + ret = -EPROBE_DEFER; + goto put_device; } } @@ -1534,7 +1544,8 @@ static int mtk_hdmi_dt_parse_pdata(struct mtk_hdmi *hdmi, dev_err(dev, "Failed to find ddc-i2c-bus node in %pOF\n", remote); of_node_put(remote); - return -EINVAL; + ret = -EINVAL; + goto put_device; } of_node_put(remote); @@ -1542,10 +1553,14 @@ static int mtk_hdmi_dt_parse_pdata(struct mtk_hdmi *hdmi, of_node_put(i2c_np); if (!hdmi->ddc_adpt) { dev_err(dev, "Failed to get ddc i2c adapter by node\n"); - return -EINVAL; + ret = -EINVAL; + goto put_device; } return 0; +put_device: + put_device(hdmi->cec_dev); + return ret; } /* @@ -1723,6 +1738,7 @@ static int mtk_drm_hdmi_probe(struct platform_device *pdev) return -ENOMEM; hdmi->dev = dev; + hdmi->conf = of_device_get_match_data(dev); ret = mtk_hdmi_dt_parse_pdata(hdmi, pdev); if (ret) @@ -1803,8 +1819,16 @@ static int mtk_hdmi_resume(struct device *dev) static SIMPLE_DEV_PM_OPS(mtk_hdmi_pm_ops, mtk_hdmi_suspend, mtk_hdmi_resume); +static const struct mtk_hdmi_conf mtk_hdmi_conf_mt2701 = { + .tz_disabled = true, +}; + static const struct of_device_id mtk_drm_hdmi_of_ids[] = { - { .compatible = "mediatek,mt8173-hdmi", }, + { .compatible = "mediatek,mt2701-hdmi", + .data = &mtk_hdmi_conf_mt2701, + }, + { .compatible = "mediatek,mt8173-hdmi", + }, {} }; @@ -1819,7 +1843,6 @@ static struct platform_driver mtk_hdmi_driver = { }; static struct platform_driver * const mtk_hdmi_drivers[] = { - &mtk_hdmi_phy_driver, &mtk_hdmi_ddc_driver, &mtk_cec_driver, &mtk_hdmi_driver, |