diff options
Diffstat (limited to 'drivers/media/video/omap/omap_voutdef.h')
| -rw-r--r-- | drivers/media/video/omap/omap_voutdef.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/drivers/media/video/omap/omap_voutdef.h b/drivers/media/video/omap/omap_voutdef.h index 659497b84996..d793501cafcc 100644 --- a/drivers/media/video/omap/omap_voutdef.h +++ b/drivers/media/video/omap/omap_voutdef.h @@ -12,6 +12,7 @@ #define OMAP_VOUTDEF_H #include <video/omapdss.h> +#include <plat/vrfb.h> #define YUYV_BPP 2 #define RGB565_BPP 2 @@ -27,6 +28,31 @@ #define MAX_DISPLAYS 3 #define MAX_MANAGERS 3 +#define QQVGA_WIDTH 160 +#define QQVGA_HEIGHT 120 + +/* Max Resolution supported by the driver */ +#define VID_MAX_WIDTH 1280 /* Largest width */ +#define VID_MAX_HEIGHT 720 /* Largest height */ + +/* Mimimum requirement is 2x2 for DSS */ +#define VID_MIN_WIDTH 2 +#define VID_MIN_HEIGHT 2 + +/* 2048 x 2048 is max res supported by OMAP display controller */ +#define MAX_PIXELS_PER_LINE 2048 + +#define VRFB_TX_TIMEOUT 1000 +#define VRFB_NUM_BUFS 4 + +/* Max buffer size tobe allocated during init */ +#define OMAP_VOUT_MAX_BUF_SIZE (VID_MAX_WIDTH*VID_MAX_HEIGHT*4) + +enum dma_channel_state { + DMA_CHAN_NOT_ALLOTED, + DMA_CHAN_ALLOTED, +}; + /* Enum for Rotation * DSS understands rotation in 0, 1, 2, 3 context * while V4L2 driver understands it as 0, 90, 180, 270 @@ -37,6 +63,18 @@ enum dss_rotation { dss_rotation_180_degree = 2, dss_rotation_270_degree = 3, }; + +/* Enum for choosing rotation type for vout + * DSS2 doesn't understand no rotation as an + * option while V4L2 driver doesn't support + * rotation in the case where VRFB is not built in + * the kernel + */ +enum vout_rotaion_type { + VOUT_ROT_NONE = 0, + VOUT_ROT_VRFB = 1, +}; + /* * This structure is used to store the DMA transfer parameters * for VRFB hidden buffer @@ -53,6 +91,7 @@ struct omapvideo_info { int id; int num_overlays; struct omap_overlay *overlays[MAX_OVLS]; + enum vout_rotaion_type rotation_type; }; struct omap2video_device { @@ -144,4 +183,43 @@ struct omap_vout_device { int io_allowed; }; + +/* + * Return true if rotation is 90 or 270 + */ +static inline int is_rotation_90_or_270(const struct omap_vout_device *vout) +{ + return (vout->rotation == dss_rotation_90_degree || + vout->rotation == dss_rotation_270_degree); +} + +/* + * Return true if rotation is enabled + */ +static inline int is_rotation_enabled(const struct omap_vout_device *vout) +{ + return vout->rotation || vout->mirror; +} + +/* + * Reverse the rotation degree if mirroring is enabled + */ +static inline int calc_rotation(const struct omap_vout_device *vout) +{ + if (!vout->mirror) + return vout->rotation; + + switch (vout->rotation) { + case dss_rotation_90_degree: + return dss_rotation_270_degree; + case dss_rotation_270_degree: + return dss_rotation_90_degree; + case dss_rotation_180_degree: + return dss_rotation_0_degree; + default: + return dss_rotation_180_degree; + } +} + +void omap_vout_free_buffers(struct omap_vout_device *vout); #endif /* ifndef OMAP_VOUTDEF_H */ |