diff options
Diffstat (limited to 'drivers/media/video/omap/omap_voutdef.h')
-rw-r--r-- | drivers/media/video/omap/omap_voutdef.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/drivers/media/video/omap/omap_voutdef.h b/drivers/media/video/omap/omap_voutdef.h index 659497b84996..31e6261b2c49 100644 --- a/drivers/media/video/omap/omap_voutdef.h +++ b/drivers/media/video/omap/omap_voutdef.h @@ -27,6 +27,31 @@ #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 @@ -144,4 +169,41 @@ struct omap_vout_device { int io_allowed; }; + +/* + * Return true if rotation is 90 or 270 + */ +static inline int rotate_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 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; + } +} #endif /* ifndef OMAP_VOUTDEF_H */ |