drm: exynos: hdmi: support for platform variants

This patch implements check if HDMI is version 1.3 by using a driver variant
instead of platform data.

Signed-off-by: Tomasz Stanislawski <t.stanislaws@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>

diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
index a6aea6f..b3a802b 100644 (file)
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -2262,6 +2262,26 @@ void hdmi_attach_hdmiphy_client(struct i2c_client *hdmiphy)
                hdmi_hdmiphy = hdmiphy;
 }
 
+enum hdmi_type {
+       HDMI_TYPE13,
+       HDMI_TYPE14,
+};
+
+static struct platform_device_id hdmi_driver_types[] = {
+       {
+               .name           = "s5pv210-hdmi",
+               .driver_data    = HDMI_TYPE13,
+       }, {
+               .name           = "exynos4-hdmi",
+               .driver_data    = HDMI_TYPE13,
+       }, {
+               .name           = "exynos4-hdmi14",
+               .driver_data    = HDMI_TYPE14,
+       }, {
+               /* end node */
+       }
+};
+
 static int __devinit hdmi_probe(struct platform_device *pdev)
 {
        struct device *dev = &pdev->dev;
@@ -2270,6 +2290,7 @@ static int __devinit hdmi_probe(struct platform_device *pdev)
        struct exynos_drm_hdmi_pdata *pdata;
        struct resource *res;
        int ret;
+       enum hdmi_type hdmi_type;
 
        DRM_DEBUG_KMS("[%d]\n", __LINE__);
 
@@ -2300,7 +2321,8 @@ static int __devinit hdmi_probe(struct platform_device *pdev)
 
        platform_set_drvdata(pdev, drm_hdmi_ctx);
 
-       hdata->is_v13 = pdata->is_v13;
+       hdmi_type = platform_get_device_id(pdev)->driver_data;
+       hdata->is_v13 = (hdmi_type == HDMI_TYPE13);
        hdata->cfg_hpd = pdata->cfg_hpd;
        hdata->get_hpd = pdata->get_hpd;
        hdata->dev = dev;
@@ -2447,6 +2469,7 @@ static SIMPLE_DEV_PM_OPS(hdmi_pm_ops, hdmi_suspend, hdmi_resume);
 struct platform_driver hdmi_driver = {
        .probe          = hdmi_probe,
        .remove         = __devexit_p(hdmi_remove),
+       .id_table = hdmi_driver_types,
        .driver         = {
                .name   = "exynos4-hdmi",
                .owner  = THIS_MODULE,