35ea11ff84
The functions in a header should not belong to another module. The prio functions belong to v4l2-common.c, so move them to v4l2-common.h. The ioctl functions belong to v4l2-ioctl.c, so create a new v4l2-ioctl.h header and move those functions to it. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
277 lines
7.5 KiB
C
277 lines
7.5 KiB
C
#ifndef __SAA7146_VV__
|
|
#define __SAA7146_VV__
|
|
|
|
#include <media/v4l2-common.h>
|
|
#include <media/v4l2-ioctl.h>
|
|
#include <media/saa7146.h>
|
|
#include <media/videobuf-dma-sg.h>
|
|
|
|
#define MAX_SAA7146_CAPTURE_BUFFERS 32 /* arbitrary */
|
|
#define BUFFER_TIMEOUT (HZ/2) /* 0.5 seconds */
|
|
|
|
#define WRITE_RPS0(x) do { \
|
|
dev->d_rps0.cpu_addr[ count++ ] = cpu_to_le32(x); \
|
|
} while (0);
|
|
|
|
#define WRITE_RPS1(x) do { \
|
|
dev->d_rps1.cpu_addr[ count++ ] = cpu_to_le32(x); \
|
|
} while (0);
|
|
|
|
struct saa7146_video_dma {
|
|
u32 base_odd;
|
|
u32 base_even;
|
|
u32 prot_addr;
|
|
u32 pitch;
|
|
u32 base_page;
|
|
u32 num_line_byte;
|
|
};
|
|
|
|
#define FORMAT_BYTE_SWAP 0x1
|
|
#define FORMAT_IS_PLANAR 0x2
|
|
|
|
struct saa7146_format {
|
|
char *name;
|
|
u32 pixelformat;
|
|
u32 trans;
|
|
u8 depth;
|
|
u8 flags;
|
|
u8 swap;
|
|
};
|
|
|
|
struct saa7146_standard
|
|
{
|
|
char *name;
|
|
v4l2_std_id id;
|
|
|
|
int v_offset; /* number of lines of vertical offset before processing */
|
|
int v_field; /* number of lines in a field for HPS to process */
|
|
|
|
int h_offset; /* horizontal offset of processing window */
|
|
int h_pixels; /* number of horizontal pixels to process */
|
|
|
|
int v_max_out;
|
|
int h_max_out;
|
|
};
|
|
|
|
/* buffer for one video/vbi frame */
|
|
struct saa7146_buf {
|
|
/* common v4l buffer stuff -- must be first */
|
|
struct videobuf_buffer vb;
|
|
|
|
/* saa7146 specific */
|
|
struct v4l2_pix_format *fmt;
|
|
int (*activate)(struct saa7146_dev *dev,
|
|
struct saa7146_buf *buf,
|
|
struct saa7146_buf *next);
|
|
|
|
/* page tables */
|
|
struct saa7146_pgtable pt[3];
|
|
};
|
|
|
|
struct saa7146_dmaqueue {
|
|
struct saa7146_dev *dev;
|
|
struct saa7146_buf *curr;
|
|
struct list_head queue;
|
|
struct timer_list timeout;
|
|
};
|
|
|
|
struct saa7146_overlay {
|
|
struct saa7146_fh *fh;
|
|
struct v4l2_window win;
|
|
struct v4l2_clip clips[16];
|
|
int nclips;
|
|
};
|
|
|
|
/* per open data */
|
|
struct saa7146_fh {
|
|
struct saa7146_dev *dev;
|
|
/* if this is a vbi or capture open */
|
|
enum v4l2_buf_type type;
|
|
|
|
/* video overlay */
|
|
struct saa7146_overlay ov;
|
|
|
|
/* video capture */
|
|
struct videobuf_queue video_q;
|
|
struct v4l2_pix_format video_fmt;
|
|
|
|
/* vbi capture */
|
|
struct videobuf_queue vbi_q;
|
|
struct v4l2_vbi_format vbi_fmt;
|
|
struct timer_list vbi_read_timeout;
|
|
|
|
unsigned int resources; /* resource management for device open */
|
|
};
|
|
|
|
#define STATUS_OVERLAY 0x01
|
|
#define STATUS_CAPTURE 0x02
|
|
|
|
struct saa7146_vv
|
|
{
|
|
int vbi_minor;
|
|
|
|
/* vbi capture */
|
|
struct saa7146_dmaqueue vbi_q;
|
|
/* vbi workaround interrupt queue */
|
|
wait_queue_head_t vbi_wq;
|
|
int vbi_fieldcount;
|
|
struct saa7146_fh *vbi_streaming;
|
|
|
|
int video_minor;
|
|
|
|
int video_status;
|
|
struct saa7146_fh *video_fh;
|
|
|
|
/* video overlay */
|
|
struct v4l2_framebuffer ov_fb;
|
|
struct saa7146_format *ov_fmt;
|
|
struct saa7146_overlay *ov_data;
|
|
struct saa7146_fh *ov_suspend;
|
|
|
|
/* video capture */
|
|
struct saa7146_dmaqueue video_q;
|
|
enum v4l2_field last_field;
|
|
|
|
/* common: fixme? shouldn't this be in saa7146_fh?
|
|
(this leads to a more complicated question: shall the driver
|
|
store the different settings (for example S_INPUT) for every open
|
|
and restore it appropriately, or should all settings be common for
|
|
all opens? currently, we do the latter, like all other
|
|
drivers do... */
|
|
struct saa7146_standard *standard;
|
|
|
|
int vflip;
|
|
int hflip;
|
|
int current_hps_source;
|
|
int current_hps_sync;
|
|
|
|
struct saa7146_dma d_clipping; /* pointer to clipping memory */
|
|
|
|
unsigned int resources; /* resource management for device */
|
|
};
|
|
|
|
#define SAA7146_EXCLUSIVE 0x1
|
|
#define SAA7146_BEFORE 0x2
|
|
#define SAA7146_AFTER 0x4
|
|
|
|
struct saa7146_extension_ioctls
|
|
{
|
|
unsigned int cmd;
|
|
int flags;
|
|
};
|
|
|
|
/* flags */
|
|
#define SAA7146_USE_PORT_B_FOR_VBI 0x2 /* use input port b for vbi hardware bug workaround */
|
|
|
|
struct saa7146_ext_vv
|
|
{
|
|
/* informations about the video capabilities of the device */
|
|
int inputs;
|
|
int audios;
|
|
u32 capabilities;
|
|
int flags;
|
|
|
|
/* additionally supported transmission standards */
|
|
struct saa7146_standard *stds;
|
|
int num_stds;
|
|
int (*std_callback)(struct saa7146_dev*, struct saa7146_standard *);
|
|
|
|
struct saa7146_extension_ioctls *ioctls;
|
|
int (*ioctl)(struct saa7146_fh*, unsigned int cmd, void *arg);
|
|
|
|
struct file_operations vbi_fops;
|
|
};
|
|
|
|
struct saa7146_use_ops {
|
|
void (*init)(struct saa7146_dev *, struct saa7146_vv *);
|
|
int(*open)(struct saa7146_dev *, struct file *);
|
|
void (*release)(struct saa7146_dev *, struct file *);
|
|
void (*irq_done)(struct saa7146_dev *, unsigned long status);
|
|
ssize_t (*read)(struct file *, char __user *, size_t, loff_t *);
|
|
};
|
|
|
|
/* from saa7146_fops.c */
|
|
int saa7146_register_device(struct video_device **vid, struct saa7146_dev* dev, char *name, int type);
|
|
int saa7146_unregister_device(struct video_device **vid, struct saa7146_dev* dev);
|
|
void saa7146_buffer_finish(struct saa7146_dev *dev, struct saa7146_dmaqueue *q, int state);
|
|
void saa7146_buffer_next(struct saa7146_dev *dev, struct saa7146_dmaqueue *q,int vbi);
|
|
int saa7146_buffer_queue(struct saa7146_dev *dev, struct saa7146_dmaqueue *q, struct saa7146_buf *buf);
|
|
void saa7146_buffer_timeout(unsigned long data);
|
|
void saa7146_dma_free(struct saa7146_dev* dev,struct videobuf_queue *q,
|
|
struct saa7146_buf *buf);
|
|
|
|
int saa7146_vv_init(struct saa7146_dev* dev, struct saa7146_ext_vv *ext_vv);
|
|
int saa7146_vv_release(struct saa7146_dev* dev);
|
|
|
|
/* from saa7146_hlp.c */
|
|
int saa7146_enable_overlay(struct saa7146_fh *fh);
|
|
void saa7146_disable_overlay(struct saa7146_fh *fh);
|
|
|
|
void saa7146_set_capture(struct saa7146_dev *dev, struct saa7146_buf *buf, struct saa7146_buf *next);
|
|
void saa7146_write_out_dma(struct saa7146_dev* dev, int which, struct saa7146_video_dma* vdma) ;
|
|
void saa7146_set_hps_source_and_sync(struct saa7146_dev *saa, int source, int sync);
|
|
void saa7146_set_gpio(struct saa7146_dev *saa, u8 pin, u8 data);
|
|
|
|
/* from saa7146_video.c */
|
|
extern struct saa7146_use_ops saa7146_video_uops;
|
|
int saa7146_start_preview(struct saa7146_fh *fh);
|
|
int saa7146_stop_preview(struct saa7146_fh *fh);
|
|
int saa7146_video_do_ioctl(struct inode *inode, struct file *file,
|
|
unsigned int cmd, void *arg);
|
|
|
|
/* from saa7146_vbi.c */
|
|
extern struct saa7146_use_ops saa7146_vbi_uops;
|
|
|
|
/* resource management functions */
|
|
int saa7146_res_get(struct saa7146_fh *fh, unsigned int bit);
|
|
void saa7146_res_free(struct saa7146_fh *fh, unsigned int bits);
|
|
|
|
#define RESOURCE_DMA1_HPS 0x1
|
|
#define RESOURCE_DMA2_CLP 0x2
|
|
#define RESOURCE_DMA3_BRS 0x4
|
|
|
|
/* saa7146 source inputs */
|
|
#define SAA7146_HPS_SOURCE_PORT_A 0x00
|
|
#define SAA7146_HPS_SOURCE_PORT_B 0x01
|
|
#define SAA7146_HPS_SOURCE_YPB_CPA 0x02
|
|
#define SAA7146_HPS_SOURCE_YPA_CPB 0x03
|
|
|
|
/* sync inputs */
|
|
#define SAA7146_HPS_SYNC_PORT_A 0x00
|
|
#define SAA7146_HPS_SYNC_PORT_B 0x01
|
|
|
|
/* some memory sizes */
|
|
/* max. 16 clipping rectangles */
|
|
#define SAA7146_CLIPPING_MEM (16 * 4 * sizeof(u32))
|
|
|
|
/* some defines for the various clipping-modes */
|
|
#define SAA7146_CLIPPING_RECT 0x4
|
|
#define SAA7146_CLIPPING_RECT_INVERTED 0x5
|
|
#define SAA7146_CLIPPING_MASK 0x6
|
|
#define SAA7146_CLIPPING_MASK_INVERTED 0x7
|
|
|
|
/* output formats: each entry holds four informations */
|
|
#define RGB08_COMPOSED 0x0217 /* composed is used in the sense of "not-planar" */
|
|
/* this means: planar?=0, yuv2rgb-conversation-mode=2, dither=yes(=1), format-mode = 7 */
|
|
#define RGB15_COMPOSED 0x0213
|
|
#define RGB16_COMPOSED 0x0210
|
|
#define RGB24_COMPOSED 0x0201
|
|
#define RGB32_COMPOSED 0x0202
|
|
|
|
#define Y8 0x0006
|
|
#define YUV411_COMPOSED 0x0003
|
|
#define YUV422_COMPOSED 0x0000
|
|
/* this means: planar?=1, yuv2rgb-conversion-mode=0, dither=no(=0), format-mode = b */
|
|
#define YUV411_DECOMPOSED 0x100b
|
|
#define YUV422_DECOMPOSED 0x1009
|
|
#define YUV420_DECOMPOSED 0x100a
|
|
|
|
#define IS_PLANAR(x) (x & 0xf000)
|
|
|
|
/* misc defines */
|
|
#define SAA7146_NO_SWAP (0x0)
|
|
#define SAA7146_TWO_BYTE_SWAP (0x1)
|
|
#define SAA7146_FOUR_BYTE_SWAP (0x2)
|
|
|
|
#endif
|