diff options
Diffstat (limited to 'exynos/exynos_fimg2d.c')
| -rw-r--r-- | exynos/exynos_fimg2d.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/exynos/exynos_fimg2d.c b/exynos/exynos_fimg2d.c index b10620b2..3bef93b0 100644 --- a/exynos/exynos_fimg2d.c +++ b/exynos/exynos_fimg2d.c @@ -65,6 +65,44 @@ enum g2d_base_addr_reg { g2d_src }; +enum e_g2d_dir_mode { + G2D_DIR_MODE_POSITIVE = 0, + G2D_DIR_MODE_NEGATIVE = 1 +}; + +union g2d_direction_val { + unsigned int val[2]; + struct { + /* SRC_MSK_DIRECT_REG [0:1] (source) */ + enum e_g2d_dir_mode src_x_direction:1; + enum e_g2d_dir_mode src_y_direction:1; + + /* SRC_MSK_DIRECT_REG [2:3] */ + unsigned int reversed1:2; + + /* SRC_MSK_DIRECT_REG [4:5] (mask) */ + enum e_g2d_dir_mode mask_x_direction:1; + enum e_g2d_dir_mode mask_y_direction:1; + + /* SRC_MSK_DIRECT_REG [6:31] */ + unsigned int padding1:26; + + /* DST_PAT_DIRECT_REG [0:1] (destination) */ + enum e_g2d_dir_mode dst_x_direction:1; + enum e_g2d_dir_mode dst_y_direction:1; + + /* DST_PAT_DIRECT_REG [2:3] */ + unsigned int reversed2:2; + + /* DST_PAT_DIRECT_REG [4:5] (pattern) */ + enum e_g2d_dir_mode pat_x_direction:1; + enum e_g2d_dir_mode pat_y_direction:1; + + /* DST_PAT_DIRECT_REG [6:31] */ + unsigned int padding2:26; + } data; +}; + static unsigned int g2d_get_scaling(unsigned int src, unsigned int dst) { /* @@ -242,6 +280,19 @@ static void g2d_add_base_addr(struct g2d_context *ctx, struct g2d_image *img, } /* + * g2d_set_direction - setup direction register (useful for overlapping blits). + * + * @ctx: a pointer to g2d_context structure. + * @dir: a pointer to the g2d_direction_val structure. + */ +static void g2d_set_direction(struct g2d_context *ctx, + const union g2d_direction_val *dir) +{ + g2d_add_cmd(ctx, SRC_MASK_DIRECT_REG, dir->val[0]); + g2d_add_cmd(ctx, DST_PAT_DIRECT_REG, dir->val[1]); +} + +/* * g2d_reset - reset fimg2d hardware. * * @ctx: a pointer to g2d_context structure. |