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path: root/drivers/media/video/cx18/cx18-driver.h
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Diffstat (limited to 'drivers/media/video/cx18/cx18-driver.h')
-rw-r--r--drivers/media/video/cx18/cx18-driver.h50
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;