diff options
Diffstat (limited to 'drivers/media/video/cx18/cx18-driver.h')
| -rw-r--r-- | drivers/media/video/cx18/cx18-driver.h | 50 |
1 files changed, 35 insertions, 15 deletions
diff --git a/drivers/media/video/cx18/cx18-driver.h b/drivers/media/video/cx18/cx18-driver.h index e3f7911a738..23ad6d548dc 100644 --- a/drivers/media/video/cx18/cx18-driver.h +++ b/drivers/media/video/cx18/cx18-driver.h @@ -126,10 +126,22 @@ #define CX18_625_LINE_ENC_YUV_BUFSIZE (CX18_UNIT_ENC_YUV_BUFSIZE * 576/32) #define CX18_525_LINE_ENC_YUV_BUFSIZE (CX18_UNIT_ENC_YUV_BUFSIZE * 480/32) +/* IDX buffer size should be a multiple of the index entry size from the chip */ +struct cx18_enc_idx_entry { + __le32 length; + __le32 offset_low; + __le32 offset_high; + __le32 flags; + __le32 pts_low; + __le32 pts_high; +} __attribute__ ((packed)); +#define CX18_UNIT_ENC_IDX_BUFSIZE \ + (sizeof(struct cx18_enc_idx_entry) * V4L2_ENC_IDX_ENTRIES) + /* DMA buffer, default size in kB allocated */ #define CX18_DEFAULT_ENC_TS_BUFSIZE 32 #define CX18_DEFAULT_ENC_MPG_BUFSIZE 32 -#define CX18_DEFAULT_ENC_IDX_BUFSIZE 32 +#define CX18_DEFAULT_ENC_IDX_BUFSIZE (CX18_UNIT_ENC_IDX_BUFSIZE * 1 / 1024 + 1) #define CX18_DEFAULT_ENC_YUV_BUFSIZE (CX18_UNIT_ENC_YUV_BUFSIZE * 3 / 1024 + 1) #define CX18_DEFAULT_ENC_PCM_BUFSIZE 4 @@ -234,16 +246,8 @@ #define CX18_WARN_DEV(dev, fmt, args...) v4l2_warn(dev, fmt , ## args) #define CX18_INFO_DEV(dev, fmt, args...) v4l2_info(dev, fmt , ## args) -/* Values for CX18_API_DEC_PLAYBACK_SPEED mpeg_frame_type_mask parameter: */ -#define MPEG_FRAME_TYPE_IFRAME 1 -#define MPEG_FRAME_TYPE_IFRAME_PFRAME 3 -#define MPEG_FRAME_TYPE_ALL 7 - -#define CX18_MAX_PGM_INDEX (400) - extern int cx18_debug; - struct cx18_options { int megabytes[CX18_MAX_STREAMS]; /* Size in megabytes of each stream */ int cardtype; /* force card type on load */ @@ -276,6 +280,18 @@ struct cx18_options { #define CX18_SLICED_TYPE_WSS_625 (5) #define CX18_SLICED_TYPE_VPS (7) +/** + * list_entry_is_past_end - check if a previous loop cursor is off list end + * @pos: the type * previously used as a loop cursor. + * @head: the head for your list. + * @member: the name of the list_struct within the struct. + * + * Check if the entry's list_head is the head of the list, thus it's not a + * real entry but was the loop cursor that walked past the end + */ +#define list_entry_is_past_end(pos, head, member) \ + (&pos->member == (head)) + struct cx18_buffer { struct list_head list; dma_addr_t dma_handle; @@ -558,6 +574,10 @@ struct cx18 { int stream_buffers[CX18_MAX_STREAMS]; /* # of buffers for each stream */ int stream_buf_size[CX18_MAX_STREAMS]; /* Stream buffer size */ struct cx18_stream streams[CX18_MAX_STREAMS]; /* Stream data */ + struct snd_cx18_card *alsa; /* ALSA interface for PCM capture stream */ + void (*pcm_announce_callback)(struct snd_cx18_card *card, u8 *pcm_data, + size_t num_bytes); + unsigned long i_flags; /* global cx18 flags */ atomic_t ana_capturing; /* count number of active analog capture streams */ atomic_t tot_capturing; /* total count number of active capture streams */ @@ -575,12 +595,6 @@ struct cx18 { struct vbi_info vbi; - u32 pgm_info_offset; - u32 pgm_info_num; - u32 pgm_info_write_idx; - u32 pgm_info_read_idx; - struct v4l2_enc_idx_entry pgm_info[CX18_MAX_PGM_INDEX]; - u64 mpg_data_received; u64 vbi_data_inserted; @@ -623,6 +637,9 @@ struct cx18 { u32 active_input; v4l2_std_id std; v4l2_std_id tuner_std; /* The norm of the tuner (fixed) */ + + /* Used for cx18-alsa module loading */ + struct work_struct request_module_wk; }; static inline struct cx18 *to_cx18(struct v4l2_device *v4l2_dev) @@ -630,6 +647,9 @@ static inline struct cx18 *to_cx18(struct v4l2_device *v4l2_dev) return container_of(v4l2_dev, struct cx18, v4l2_dev); } +/* cx18 extensions to be loaded */ +extern int (*cx18_ext_init)(struct cx18 *); + /* Globals */ extern int cx18_first_minor; |