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| author |   Paul Kocialkowski <paul.kocialkowski@bootlin.com> | 2019-01-18 15:51:23 +0100 |
|---|---|---|
| committer |   Maxime Ripard <maxime.ripard@bootlin.com> | 2019-01-18 19:17:31 +0100 |
| commit | 9042e3fb7e22d04420fbb6607879ae2365e947a0 (patch) | |
| tree | 8f083fc4af7f0c625284f78f516c5fa7fe441ca4 /drivers/gpu/drm/sun4i/sun4i_frontend.h | |
| parent | drm/sun4i: frontend: Add support for tiled YUV input mode configuration (diff) | |
| download | linux-dev-9042e3fb7e22d04420fbb6607879ae2365e947a0.tar.xz linux-dev-9042e3fb7e22d04420fbb6607879ae2365e947a0.zip | |
drm/sun4i: Add buffer stride and offset configuration for tiling mode
This introduces stride and offset configuration for the VPU tiling mode.
Stride is calculated differently than it is for linear formats and an
offset is calculated, for which new register definitions are introduced.
Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190118145133.21281-14-paul.kocialkowski@bootlin.com
Diffstat (limited to 'drivers/gpu/drm/sun4i/sun4i_frontend.h')
| -rw-r--r-- | drivers/gpu/drm/sun4i/sun4i_frontend.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/gpu/drm/sun4i/sun4i_frontend.h b/drivers/gpu/drm/sun4i/sun4i_frontend.h index 6c4d7797bb8a..235109199b9d 100644 --- a/drivers/gpu/drm/sun4i/sun4i_frontend.h +++ b/drivers/gpu/drm/sun4i/sun4i_frontend.h @@ -25,10 +25,29 @@ #define SUN4I_FRONTEND_BUF_ADDR1_REG 0x024 #define SUN4I_FRONTEND_BUF_ADDR2_REG 0x028 +#define SUN4I_FRONTEND_TB_OFF0_REG 0x030 +#define SUN4I_FRONTEND_TB_OFF1_REG 0x034 +#define SUN4I_FRONTEND_TB_OFF2_REG 0x038 +#define SUN4I_FRONTEND_TB_OFF_X1(x1) ((x1) << 16) +#define SUN4I_FRONTEND_TB_OFF_Y0(y0) ((y0) << 8) +#define SUN4I_FRONTEND_TB_OFF_X0(x0) (x0) + #define SUN4I_FRONTEND_LINESTRD0_REG 0x040 #define SUN4I_FRONTEND_LINESTRD1_REG 0x044 #define SUN4I_FRONTEND_LINESTRD2_REG 0x048 +/* + * In tiled mode, the stride is defined as the distance between the start of the + * end line of the current tile and the start of the first line in the next + * vertical tile. + * + * Tiles are represented in row-major order, thus the end line of current tile + * starts at: 31 * 32 (31 lines of 32 cols), the next vertical tile starts at: + * 32-bit-aligned-width * 32 and the distance is: + * 32 * (32-bit-aligned-width - 31). + */ +#define SUN4I_FRONTEND_LINESTRD_TILED(stride) (((stride) - 31) * 32) + #define SUN4I_FRONTEND_INPUT_FMT_REG 0x04c #define SUN4I_FRONTEND_INPUT_FMT_DATA_MOD_PLANAR (0 << 8) #define SUN4I_FRONTEND_INPUT_FMT_DATA_MOD_PACKED (1 << 8) |