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drm: exynos: hdmi: add support for platform variants for mixer

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This patch adds the support for multiple mixer versions avaialble in
various platform variants. Version is passed as a driver data field
instead of paltform data.

Signed-off-by: Rahul Sharma <rahul.sharma@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
This commit is contained in:
Rahul Sharma 2012-10-04 20:48:51 +05:30 committed by Inki Dae
parent 93c645ee14
commit 1e12344120
1 changed files with 28 additions and 0 deletions
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28
drivers/gpu/drm/exynos/exynos_mixer.c
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@ -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,
};