diff options
Diffstat (limited to 'include/media/soc_mediabus.h')
| -rw-r--r-- | include/media/soc_mediabus.h | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/include/media/soc_mediabus.h b/include/media/soc_mediabus.h index b338108ec305..fae432544b41 100644 --- a/include/media/soc_mediabus.h +++ b/include/media/soc_mediabus.h @@ -16,18 +16,24 @@ /** * enum soc_mbus_packing - data packing types on the media-bus - * @SOC_MBUS_PACKING_NONE: no packing, bit-for-bit transfer to RAM + * @SOC_MBUS_PACKING_NONE: no packing, bit-for-bit transfer to RAM, one + * sample represents one pixel * @SOC_MBUS_PACKING_2X8_PADHI: 16 bits transferred in 2 8-bit samples, in the * possibly incomplete byte high bits are padding * @SOC_MBUS_PACKING_2X8_PADLO: as above, but low bits are padding * @SOC_MBUS_PACKING_EXTEND16: sample width (e.g., 10 bits) has to be extended * to 16 bits + * @SOC_MBUS_PACKING_VARIABLE: compressed formats with variable packing + * @SOC_MBUS_PACKING_1_5X8: used for packed YUV 4:2:0 formats, where 4 + * pixels occupy 6 bytes in RAM */ enum soc_mbus_packing { SOC_MBUS_PACKING_NONE, SOC_MBUS_PACKING_2X8_PADHI, SOC_MBUS_PACKING_2X8_PADLO, SOC_MBUS_PACKING_EXTEND16, + SOC_MBUS_PACKING_VARIABLE, + SOC_MBUS_PACKING_1_5X8, }; /** @@ -57,9 +63,24 @@ struct soc_mbus_pixelfmt { u8 bits_per_sample; }; +/** + * struct soc_mbus_lookup - Lookup FOURCC IDs by mediabus codes for pass-through + * @code: mediabus pixel-code + * @fmt: pixel format description + */ +struct soc_mbus_lookup { + enum v4l2_mbus_pixelcode code; + struct soc_mbus_pixelfmt fmt; +}; + +const struct soc_mbus_pixelfmt *soc_mbus_find_fmtdesc( + enum v4l2_mbus_pixelcode code, + const struct soc_mbus_lookup *lookup, + int n); const struct soc_mbus_pixelfmt *soc_mbus_get_fmtdesc( enum v4l2_mbus_pixelcode code); s32 soc_mbus_bytes_per_line(u32 width, const struct soc_mbus_pixelfmt *mf); -int soc_mbus_samples_per_pixel(const struct soc_mbus_pixelfmt *mf); +int soc_mbus_samples_per_pixel(const struct soc_mbus_pixelfmt *mf, + unsigned int *numerator, unsigned int *denominator); #endif |