#ifndef __SAA7146_VV__ #define __SAA7146_VV__ #include #include #include #define MAX_SAA7146_CAPTURE_BUFFERS 32 /* arbitrary */ #define BUFFER_TIMEOUT (HZ/2) /* 0.5 seconds */ struct saa7146_video_dma { u32 base_odd; u32 base_even; u32 prot_addr; u32 pitch; u32 base_page; u32 num_line_byte; }; struct saa7146_format { char *name; int pixelformat; u32 trans; u8 depth; int swap; }; struct saa7146_standard { char *name; v4l2_std_id id; int v_offset; int v_field; int v_calc; int h_offset; int h_pixels; int h_calc; 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; }; 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; /* video overlay */ struct v4l2_framebuffer ov_fb; struct saa7146_format *ov_fmt; struct saa7146_overlay *ov_data; /* video capture */ struct saa7146_dmaqueue video_q; struct saa7146_fh *streaming; /* 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 */ }; #define SAA7146_EXCLUSIVE 0x1 #define SAA7146_BEFORE 0x2 #define SAA7146_AFTER 0x4 struct saa7146_extension_ioctls { unsigned int cmd; int flags; }; /* flags */ #define SAA7146_EXT_SWAP_ODD_EVEN 0x1 /* needs odd/even fields swapped */ 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 saa7146_use_ops { void (*init)(struct saa7146_dev *, struct saa7146_vv *); void(*open)(struct saa7146_dev *, struct saa7146_fh *); void (*release)(struct saa7146_dev *, struct saa7146_fh *,struct file *); void (*irq_done)(struct saa7146_dev *, unsigned long status); ssize_t (*read)(struct file *, char *, size_t, loff_t *); int (*capture_begin)(struct saa7146_fh *); int (*capture_end)(struct saa7146_fh *); }; /* 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 saa7146_buf *buf); int saa7146_vv_init(struct saa7146_dev* dev); int saa7146_vv_release(struct saa7146_dev* dev); /* from saa7146_hlp.c */ void saa7146_set_overlay(struct saa7146_dev *dev, struct saa7146_fh *fh, int v); 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); /* from saa7146_vbi.c */ extern struct saa7146_use_ops saa7146_vbi_uops; /* 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 /* number of vertical active lines */ #define V_ACTIVE_LINES_PAL 576 #define V_ACTIVE_LINES_NTSC 480 #define V_ACTIVE_LINES_SECAM 576 /* number of lines in a field for HPS to process */ #define V_FIELD_PAL 288 #define V_FIELD_NTSC 240 #define V_FIELD_SECAM 288 /* number of lines of vertical offset before processing */ #define V_OFFSET_PAL 0x17 #define V_OFFSET_NTSC 0x16 #define V_OFFSET_SECAM 0x14 /* number of horizontal pixels to process */ #define H_PIXELS_PAL 680 #define H_PIXELS_NTSC 708 #define H_PIXELS_SECAM 720 /* horizontal offset of processing window */ #define H_OFFSET_PAL 0x14 #define H_OFFSET_NTSC 0x06 #define H_OFFSET_SECAM 0x14 #define SAA7146_PAL_VALUES V_OFFSET_PAL, V_FIELD_PAL, V_ACTIVE_LINES_PAL, H_OFFSET_PAL, H_PIXELS_PAL, H_PIXELS_PAL+1, V_ACTIVE_LINES_PAL, 768 #define SAA7146_NTSC_VALUES V_OFFSET_NTSC, V_FIELD_NTSC, V_ACTIVE_LINES_NTSC, H_OFFSET_NTSC, H_PIXELS_NTSC, H_PIXELS_NTSC+1, V_ACTIVE_LINES_NTSC, 640 #define SAA7146_SECAM_VALUES V_OFFSET_SECAM, V_FIELD_SECAM, V_ACTIVE_LINES_SECAM, H_OFFSET_SECAM, H_PIXELS_SECAM, H_PIXELS_SECAM+1, V_ACTIVE_LINES_SECAM, 768 /* some memory sizes */ #define SAA7146_CLIPPING_MEM (14*PAGE_SIZE) /* 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