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drm/exynos: add platform_device_id table and driver data for drm fimd 

Two device ids are created for exynos4-fb and exynos5-fb.
Also, added driver data for exynos4 and exynos5 to pick the timing base address
at runtime to write data into appropriate register address.

Signed-off-by: Leela Krishna Amudala <l.krishna@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
This commit is contained in:
Leela Krishna Amudala 2012-09-21 16:52:15 +05:30 committed by Inki Dae
parent 53bd555654
commit e2e1338900
1 changed files with 39 additions and 4 deletions
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43
drivers/gpu/drm/exynos/exynos_drm_fimd.c
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@ -57,6 +57,18 @@
#define get_fimd_context(dev) platform_get_drvdata(to_platform_device(dev))
struct fimd_driver_data {
unsigned int timing_base;
};
struct fimd_driver_data exynos4_fimd_driver_data = {
.timing_base = 0x0,
};
struct fimd_driver_data exynos5_fimd_driver_data = {
.timing_base = 0x20000,
};
struct fimd_win_data {
unsigned int offset_x;
unsigned int offset_y;
@ -91,6 +103,13 @@ struct fimd_context {
struct exynos_drm_panel_info *panel;
};
static inline struct fimd_driver_data *drm_fimd_get_driver_data(
struct platform_device *pdev)
{
return (struct fimd_driver_data *)
platform_get_device_id(pdev)->driver_data;
}
static bool fimd_display_is_connected(struct device *dev)
{
DRM_DEBUG_KMS("%s\n", __FILE__);
@ -194,32 +213,35 @@ static void fimd_commit(struct device *dev)
struct fimd_context *ctx = get_fimd_context(dev);
struct exynos_drm_panel_info *panel = ctx->panel;
struct fb_videomode *timing = &panel->timing;
struct fimd_driver_data *driver_data;
struct platform_device *pdev = to_platform_device(dev);
u32 val;
driver_data = drm_fimd_get_driver_data(pdev);
if (ctx->suspended)
return;
DRM_DEBUG_KMS("%s\n", __FILE__);
/* setup polarity values from machine code. */
writel(ctx->vidcon1, ctx->regs + VIDCON1);
writel(ctx->vidcon1, ctx->regs + driver_data->timing_base + VIDCON1);
/* setup vertical timing values. */
val = VIDTCON0_VBPD(timing->upper_margin - 1) |
VIDTCON0_VFPD(timing->lower_margin - 1) |
VIDTCON0_VSPW(timing->vsync_len - 1);
writel(val, ctx->regs + VIDTCON0);
writel(val, ctx->regs + driver_data->timing_base + VIDTCON0);
/* setup horizontal timing values. */
val = VIDTCON1_HBPD(timing->left_margin - 1) |
VIDTCON1_HFPD(timing->right_margin - 1) |
VIDTCON1_HSPW(timing->hsync_len - 1);
writel(val, ctx->regs + VIDTCON1);
writel(val, ctx->regs + driver_data->timing_base + VIDTCON1);
/* setup horizontal and vertical display size. */
val = VIDTCON2_LINEVAL(timing->yres - 1) |
VIDTCON2_HOZVAL(timing->xres - 1);
writel(val, ctx->regs + VIDTCON2);
writel(val, ctx->regs + driver_data->timing_base + VIDTCON2);
/* setup clock source, clock divider, enable dma. */
val = ctx->vidcon0;
@ -1009,6 +1031,18 @@ static int fimd_runtime_resume(struct device *dev)
}
#endif
static struct platform_device_id fimd_driver_ids[] = {
{
.name = "exynos4-fb",
.driver_data = (unsigned long)&exynos4_fimd_driver_data,
}, {
.name = "exynos5-fb",
.driver_data = (unsigned long)&exynos5_fimd_driver_data,
},
{},
};
MODULE_DEVICE_TABLE(platform, fimd_driver_ids);
static const struct dev_pm_ops fimd_pm_ops = {
SET_SYSTEM_SLEEP_PM_OPS(fimd_suspend, fimd_resume)
SET_RUNTIME_PM_OPS(fimd_runtime_suspend, fimd_runtime_resume, NULL)
@ -1017,6 +1051,7 @@ static const struct dev_pm_ops fimd_pm_ops = {
struct platform_driver fimd_driver = {
.probe = fimd_probe,
.remove = __devexit_p(fimd_remove),
.id_table = fimd_driver_ids,
.driver = {
.name = "exynos4-fb",
.owner = THIS_MODULE,