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drm/tegra: Add plane support

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Add support for the B and C planes which support RGB and YUV pixel
formats and can be used as overlays or hardware cursor. Currently 32-bit
XRGB as well as UYVY, YUV420 and YUV422 pixel formats are advertised.
Other formats should be easy to add but these are the most common ones
and should cover the majority of use-cases.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
This commit is contained in:
Thierry Reding
2012-11-04 21:47:13 +01:00
parent 894752bb57
commit f34bc78741
3 changed files with 371 additions and 94 deletions
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24
drivers/gpu/drm/tegra/drm.h
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@@ -107,6 +107,30 @@ static inline unsigned long tegra_dc_readl(struct tegra_dc *dc,
return readl(dc->regs + (reg << 2));
}
struct tegra_dc_window {
struct {
unsigned int x;
unsigned int y;
unsigned int w;
unsigned int h;
} src;
struct {
unsigned int x;
unsigned int y;
unsigned int w;
unsigned int h;
} dst;
unsigned int bits_per_pixel;
unsigned int format;
unsigned int stride[2];
unsigned long base[3];
};
/* from dc.c */
extern unsigned int tegra_dc_format(uint32_t format);
extern int tegra_dc_setup_window(struct tegra_dc *dc, unsigned int index,
const struct tegra_dc_window *window);
struct tegra_output_ops {
int (*enable)(struct tegra_output *output);
int (*disable)(struct tegra_output *output);