drm: exynos: hdmi: add support for platform variants for mixer (1e123441) · Commits · 戴 / test

drivers/gpu/drm/exynos/exynos_mixer.c

+28 −0

Original line number	Diff line number	Diff line
		@@ -73,6 +73,11 @@ struct mixer_resources {
		struct clk *sclk_dac;
		};

		enum mixer_version_id {
		MXR_VER_0_0_0_16,
		MXR_VER_16_0_33_0,
		};

		struct mixer_context {
		struct device *dev;
		int pipe;
		@@ -83,6 +88,11 @@ struct mixer_context {
		struct mutex mixer_mutex;
		struct mixer_resources mixer_res;
		struct hdmi_win_data win_data[MIXER_WIN_NR];
		enum mixer_version_id mxr_ver;
		};

		struct mixer_drv_data {
		enum mixer_version_id version;
		};

		static const u8 filter_y_horiz_tap8[] = {
		@@ -1023,11 +1033,25 @@ fail:
		return ret;
		}

		static struct mixer_drv_data exynos4_mxr_drv_data = {
		.version = MXR_VER_0_0_0_16,
		};

		static struct platform_device_id mixer_driver_types[] = {
		{
		.name = "s5p-mixer",
		.driver_data = (unsigned long)&exynos4_mxr_drv_data,
		}, {
		/* end node */
		}
		};

		static int __devinit mixer_probe(struct platform_device *pdev)
		{
		struct device *dev = &pdev->dev;
		struct exynos_drm_hdmi_context *drm_hdmi_ctx;
		struct mixer_context *ctx;
		struct mixer_drv_data *drv;
		int ret;

		dev_info(dev, "probe start\n");
		@@ -1047,8 +1071,11 @@ static int __devinit mixer_probe(struct platform_device *pdev)

		mutex_init(&ctx->mixer_mutex);

		drv = (struct mixer_drv_data *)platform_get_device_id(
		pdev)->driver_data;
		ctx->dev = &pdev->dev;
		drm_hdmi_ctx->ctx = (void *)ctx;
		ctx->mxr_ver = drv->version;

		platform_set_drvdata(pdev, drm_hdmi_ctx);

		@@ -1101,4 +1128,5 @@ struct platform_driver mixer_driver = {
		},
		.probe = mixer_probe,
		.remove = __devexit_p(mixer_remove),
		.id_table = mixer_driver_types,
		};