diff options
Diffstat (limited to 'drivers/media/video/s5p-fimc/fimc-core.h')
| -rw-r--r-- | drivers/media/video/s5p-fimc/fimc-core.h | 56 |
1 files changed, 41 insertions, 15 deletions
diff --git a/drivers/media/video/s5p-fimc/fimc-core.h b/drivers/media/video/s5p-fimc/fimc-core.h index ce0a6b8..e3a7c6a 100644 --- a/drivers/media/video/s5p-fimc/fimc-core.h +++ b/drivers/media/video/s5p-fimc/fimc-core.h @@ -36,7 +36,7 @@ #define FIMC_SHUTDOWN_TIMEOUT ((100*HZ)/1000) #define NUM_FIMC_CLOCKS 2 #define MODULE_NAME "s5p-fimc" -#define FIMC_MAX_DEVS 3 +#define FIMC_MAX_DEVS 4 #define FIMC_MAX_OUT_BUFS 4 #define SCALER_MAX_HRATIO 64 #define SCALER_MAX_VRATIO 64 @@ -345,33 +345,45 @@ struct fimc_vid_cap { }; /** + * struct fimc_pix_limit - image pixel size limits in various IP configurations + * + * @scaler_en_w: max input pixel width when the scaler is enabled + * @scaler_dis_w: max input pixel width when the scaler is disabled + * @in_rot_en_h: max input width with the input rotator is on + * @in_rot_dis_w: max input width with the input rotator is off + * @out_rot_en_w: max output width with the output rotator on + * @out_rot_dis_w: max output width with the output rotator off + */ +struct fimc_pix_limit { + u16 scaler_en_w; + u16 scaler_dis_w; + u16 in_rot_en_h; + u16 in_rot_dis_w; + u16 out_rot_en_w; + u16 out_rot_dis_w; +}; + +/** * struct samsung_fimc_variant - camera interface variant information * * @pix_hoff: indicate whether horizontal offset is in pixels or in bytes * @has_inp_rot: set if has input rotator * @has_out_rot: set if has output rotator + * @pix_limit: pixel size constraints for the scaler * @min_inp_pixsize: minimum input pixel size * @min_out_pixsize: minimum output pixel size - * @scaler_en_w: maximum input pixel width when the scaler is enabled - * @scaler_dis_w: maximum input pixel width when the scaler is disabled - * @in_rot_en_h: maximum input width when the input rotator is enabled - * @in_rot_dis_w: maximum input width when the input rotator is disabled - * @out_rot_en_w: maximum target width when the output rotator enabled - * @out_rot_dis_w: maximum target width when the output rotator disnabled + * @hor_offs_align: horizontal pixel offset aligment + * @out_buf_count: the number of buffers in output DMA sequence */ struct samsung_fimc_variant { unsigned int pix_hoff:1; unsigned int has_inp_rot:1; unsigned int has_out_rot:1; - + struct fimc_pix_limit *pix_limit; u16 min_inp_pixsize; u16 min_out_pixsize; - u16 scaler_en_w; - u16 scaler_dis_w; - u16 in_rot_en_h; - u16 in_rot_dis_w; - u16 out_rot_en_w; - u16 out_rot_dis_w; + u16 hor_offs_align; + u16 out_buf_count; }; /** @@ -384,7 +396,7 @@ struct samsung_fimc_variant { struct samsung_fimc_driverdata { struct samsung_fimc_variant *variant[FIMC_MAX_DEVS]; unsigned long lclk_frequency; - int devs_cnt; + int num_entities; }; struct fimc_ctx; @@ -507,6 +519,20 @@ static inline void fimc_hw_dis_capture(struct fimc_dev *dev) writel(cfg, dev->regs + S5P_CIIMGCPT); } +/** + * fimc_hw_set_dma_seq - configure output DMA buffer sequence + * @mask: each bit corresponds to one of 32 output buffer registers set + * 1 to include buffer in the sequence, 0 to disable + * + * This function mask output DMA ring buffers, i.e. it allows to configure + * which of the output buffer address registers will be used by the DMA + * engine. + */ +static inline void fimc_hw_set_dma_seq(struct fimc_dev *dev, u32 mask) +{ + writel(mask, dev->regs + S5P_CIFCNTSEQ); +} + static inline struct fimc_frame *ctx_get_frame(struct fimc_ctx *ctx, enum v4l2_buf_type type) { |