diff options
| author | Jason Chen <b02280@freescale.com> | 2009-11-24 18:53:24 +0800 |
|---|---|---|
| committer | Jason Chen <b02280@freescale.com> | 2009-11-24 18:53:24 +0800 |
| commit | 7668c6f2527d862d78c8b45aa6d97cb15214a9ad (patch) | |
| tree | 9456eede74165632dd72457316a3a96e29c9fce1 /include | |
| parent | ba0e7753bfb874294f7776e76b52e19aa51e3505 (diff) | |
ENGR00116313 ipuv3: DP gamma support
Support DP gamma by setting piecewise linear approximation,
application need set coefficient const[k] and slope[k]. The algorithm to
calculate these coefficient pls refer to unit test.
Signed-off-by: Jason Chen <b02280@freescale.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/ipu.h | 2 | ||||
| -rw-r--r-- | include/linux/mxcfb.h | 7 |
2 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/ipu.h b/include/linux/ipu.h index 167abf1b900a..af2bb266244d 100644 --- a/include/linux/ipu.h +++ b/include/linux/ipu.h @@ -940,6 +940,8 @@ int32_t ipu_disp_set_global_alpha(ipu_channel_t channel, bool enable, uint8_t alpha); int32_t ipu_disp_set_color_key(ipu_channel_t channel, bool enable, uint32_t colorKey); +int32_t ipu_disp_set_gamma_correction(ipu_channel_t channel, bool enable, + int constk[], int slopek[]); int ipu_init_async_panel(int disp, int type, uint32_t cycle_time, uint32_t pixel_fmt, ipu_adc_sig_cfg_t sig); diff --git a/include/linux/mxcfb.h b/include/linux/mxcfb.h index 79c23c344dfa..f7d60a3377d3 100644 --- a/include/linux/mxcfb.h +++ b/include/linux/mxcfb.h @@ -51,6 +51,12 @@ struct mxcfb_pos { __u16 y; }; +struct mxcfb_gamma { + int enable; + int constk[16]; + int slopek[16]; +}; + #define MXCFB_WAIT_FOR_VSYNC _IOW('F', 0x20, u_int32_t) #define MXCFB_SET_GBL_ALPHA _IOW('F', 0x21, struct mxcfb_gbl_alpha) #define MXCFB_SET_CLR_KEY _IOW('F', 0x22, struct mxcfb_color_key) @@ -58,6 +64,7 @@ struct mxcfb_pos { #define MXCFB_GET_FB_IPU_CHAN _IOR('F', 0x25, u_int32_t) #define MXCFB_SET_LOC_ALPHA _IOWR('F', 0x26, struct mxcfb_loc_alpha) #define MXCFB_SET_LOC_ALP_BUF _IOW('F', 0x27, unsigned long) +#define MXCFB_SET_GAMMA _IOW('F', 0x28, struct mxcfb_gamma) #ifdef __KERNEL__ |