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| author | Paul Kocialkowski <paul.kocialkowski@bootlin.com> | 2018-11-23 12:24:50 +0300 |
|---|---|---|
| committer | Maxime Ripard <maxime.ripard@bootlin.com> | 2018-11-27 11:54:13 +0300 |
| commit | 9579f9190487cc99ac280beda5da8ba7c3414b92 (patch) | |
| tree | 7d3b9101b11eae580ca391b46fb7dae03e8751c8 /drivers/gpu/drm | |
| parent | 47d0f9bdb190eccbd2d9f9b6a585ae64e48f8183 (diff) | |
| download | linux-9579f9190487cc99ac280beda5da8ba7c3414b92.tar.xz | |
drm/sun4i: frontend: Add proper definitions for format registers
This introduces proper definitions for the input and output format
configuration registers instead of a macro and raw values in the code,
with the intent to increase code readability and reduce indirections.
Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181123092515.2511-19-paul.kocialkowski@bootlin.com
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/sun4i/sun4i_frontend.c | 14 | ||||
| -rw-r--r-- | drivers/gpu/drm/sun4i/sun4i_frontend.h | 8 |
2 files changed, 10 insertions, 12 deletions
diff --git a/drivers/gpu/drm/sun4i/sun4i_frontend.c b/drivers/gpu/drm/sun4i/sun4i_frontend.c index bb5977a466f3..a305b731b042 100644 --- a/drivers/gpu/drm/sun4i/sun4i_frontend.c +++ b/drivers/gpu/drm/sun4i/sun4i_frontend.c @@ -108,7 +108,7 @@ static int sun4i_frontend_drm_format_to_input_fmt(uint32_t fmt, u32 *val) { switch (fmt) { case DRM_FORMAT_XRGB8888: - *val = 5; + *val = SUN4I_FRONTEND_INPUT_FMT_DATA_FMT_RGB; return 0; default: @@ -120,7 +120,7 @@ static int sun4i_frontend_drm_format_to_input_mode(uint32_t fmt, u32 *val) { switch (fmt) { case DRM_FORMAT_XRGB8888: - *val = 1; + *val = SUN4I_FRONTEND_INPUT_FMT_DATA_MOD_PACKED; return 0; default: @@ -132,7 +132,7 @@ static int sun4i_frontend_drm_format_to_input_sequence(uint32_t fmt, u32 *val) { switch (fmt) { case DRM_FORMAT_XRGB8888: - *val = 1; + *val = SUN4I_FRONTEND_INPUT_FMT_DATA_PS_XRGB; return 0; default: @@ -144,7 +144,7 @@ static int sun4i_frontend_drm_format_to_output_fmt(uint32_t fmt, u32 *val) { switch (fmt) { case DRM_FORMAT_XRGB8888: - *val = 2; + *val = SUN4I_FRONTEND_OUTPUT_FMT_DATA_FMT_XRGB8888; return 0; default: @@ -218,9 +218,7 @@ int sun4i_frontend_update_formats(struct sun4i_frontend *frontend, SUN4I_FRONTEND_BYPASS_CSC_EN); regmap_write(frontend->regs, SUN4I_FRONTEND_INPUT_FMT_REG, - SUN4I_FRONTEND_INPUT_FMT_DATA_MOD(in_mod_val) | - SUN4I_FRONTEND_INPUT_FMT_DATA_FMT(in_fmt_val) | - SUN4I_FRONTEND_INPUT_FMT_PS(in_ps_val)); + in_mod_val | in_fmt_val | in_ps_val); /* * TODO: It look like the A31 and A80 at least will need the @@ -228,7 +226,7 @@ int sun4i_frontend_update_formats(struct sun4i_frontend *frontend, * ARGB8888). */ regmap_write(frontend->regs, SUN4I_FRONTEND_OUTPUT_FMT_REG, - SUN4I_FRONTEND_OUTPUT_FMT_DATA_FMT(out_fmt_val)); + out_fmt_val); return 0; } diff --git a/drivers/gpu/drm/sun4i/sun4i_frontend.h b/drivers/gpu/drm/sun4i/sun4i_frontend.h index a9cb908ced16..56bd5a3f9723 100644 --- a/drivers/gpu/drm/sun4i/sun4i_frontend.h +++ b/drivers/gpu/drm/sun4i/sun4i_frontend.h @@ -26,12 +26,12 @@ #define SUN4I_FRONTEND_LINESTRD0_REG 0x040 #define SUN4I_FRONTEND_INPUT_FMT_REG 0x04c -#define SUN4I_FRONTEND_INPUT_FMT_DATA_MOD(mod) ((mod) << 8) -#define SUN4I_FRONTEND_INPUT_FMT_DATA_FMT(fmt) ((fmt) << 4) -#define SUN4I_FRONTEND_INPUT_FMT_PS(ps) (ps) +#define SUN4I_FRONTEND_INPUT_FMT_DATA_MOD_PACKED (1 << 8) +#define SUN4I_FRONTEND_INPUT_FMT_DATA_FMT_RGB (5 << 4) +#define SUN4I_FRONTEND_INPUT_FMT_DATA_PS_XRGB 1 #define SUN4I_FRONTEND_OUTPUT_FMT_REG 0x05c -#define SUN4I_FRONTEND_OUTPUT_FMT_DATA_FMT(fmt) (fmt) +#define SUN4I_FRONTEND_OUTPUT_FMT_DATA_FMT_XRGB8888 2 #define SUN4I_FRONTEND_CH0_INSIZE_REG 0x100 #define SUN4I_FRONTEND_INSIZE(h, w) ((((h) - 1) << 16) | (((w) - 1))) |