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https://github.com/mpv-player/mpv
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79cef0fa51
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@4215 b3059339-0415-0410-9bf9-f77b7e298cf2
373 lines
13 KiB
C
373 lines
13 KiB
C
/*
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zoran - Iomega Buz driver
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Copyright (C) 1999 Rainer Johanni <Rainer@Johanni.de>
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based on
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zoran.0.0.3 Copyright (C) 1998 Dave Perks <dperks@ibm.net>
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and
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bttv - Bt848 frame grabber driver
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Copyright (C) 1996,97 Ralph Metzler (rjkm@thp.uni-koeln.de)
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef _BUZ_H_
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#define _BUZ_H_
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#include <linux/config.h>
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#if LINUX_VERSION_CODE < 0x20212
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typedef struct wait_queue *wait_queue_head_t;
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#endif
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/* The Buz only supports a maximum width of 720, but some V4L
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applications (e.g. xawtv are more happy with 768).
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If XAWTV_HACK is defined, we try to fake a device with bigger width */
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//#define XAWTV_HACK
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//#ifdef XAWTV_HACK
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//#define BUZ_MAX_WIDTH 768 /* never display more than 768 pixels */
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#define BUZ_MAX_WIDTH (zr->timing->Wa)
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//#else
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//#define BUZ_MAX_WIDTH 720 /* never display more than 720 pixels */
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//#endif
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//#define BUZ_MAX_HEIGHT 576 /* never display more than 576 rows */
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#define BUZ_MAX_HEIGHT (zr->timing->Ha)
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#define BUZ_MIN_WIDTH 32 /* never display less than 32 pixels */
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#define BUZ_MIN_HEIGHT 24 /* never display less than 24 rows */
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struct zoran_requestbuffers {
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unsigned long count; /* Number of buffers for MJPEG grabbing */
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unsigned long size; /* Size PER BUFFER in bytes */
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};
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struct zoran_sync {
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unsigned long frame; /* number of buffer that has been free'd */
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unsigned long length; /* number of code bytes in buffer (capture only) */
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unsigned long seq; /* frame sequence number */
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struct timeval timestamp; /* timestamp */
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};
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struct zoran_status {
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int input; /* Input channel, has to be set prior to BUZIOC_G_STATUS */
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int signal; /* Returned: 1 if valid video signal detected */
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int norm; /* Returned: VIDEO_MODE_PAL or VIDEO_MODE_NTSC */
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int color; /* Returned: 1 if color signal detected */
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};
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struct zoran_params {
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/* The following parameters can only be queried */
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int major_version; /* Major version number of driver */
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int minor_version; /* Minor version number of driver */
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/* Main control parameters */
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int input; /* Input channel: 0 = Composite, 1 = S-VHS */
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int norm; /* Norm: VIDEO_MODE_PAL or VIDEO_MODE_NTSC */
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int decimation; /* decimation of captured video,
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enlargement of video played back.
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Valid values are 1, 2, 4 or 0.
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0 is a special value where the user
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has full control over video scaling */
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/* The following parameters only have to be set if decimation==0,
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for other values of decimation they provide the data how the image is captured */
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int HorDcm; /* Horizontal decimation: 1, 2 or 4 */
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int VerDcm; /* Vertical decimation: 1 or 2 */
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int TmpDcm; /* Temporal decimation: 1 or 2,
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if TmpDcm==2 in capture every second frame is dropped,
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in playback every frame is played twice */
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int field_per_buff; /* Number of fields per buffer: 1 or 2 */
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int img_x; /* start of image in x direction */
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int img_y; /* start of image in y direction */
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int img_width; /* image width BEFORE decimation,
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must be a multiple of HorDcm*16 */
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int img_height; /* image height BEFORE decimation,
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must be a multiple of VerDcm*8 */
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/* --- End of parameters for decimation==0 only --- */
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/* JPEG control parameters */
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int quality; /* Measure for quality of compressed images.
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Scales linearly with the size of the compressed images.
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Must be beetween 0 and 100, 100 is a compression
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ratio of 1:4 */
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int odd_even; /* Which field should come first ??? */
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int APPn; /* Number of APP segment to be written, must be 0..15 */
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int APP_len; /* Length of data in JPEG APPn segment */
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char APP_data[60]; /* Data in the JPEG APPn segment. */
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int COM_len; /* Length of data in JPEG COM segment */
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char COM_data[60]; /* Data in JPEG COM segment */
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unsigned long jpeg_markers; /* Which markers should go into the JPEG output.
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Unless you exactly know what you do, leave them untouched.
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Inluding less markers will make the resulting code
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smaller, but there will be fewer aplications
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which can read it.
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The presence of the APP and COM marker is
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influenced by APP0_len and COM_len ONLY! */
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#define JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */
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#define JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */
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#define JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */
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#define JPEG_MARKER_COM (1<<6) /* Comment segment */
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#define JPEG_MARKER_APP (1<<7) /* App segment, driver will allways use APP0 */
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int VFIFO_FB; /* Flag for enabling Video Fifo Feedback.
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If this flag is turned on and JPEG decompressing
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is going to the screen, the decompress process
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is stopped every time the Video Fifo is full.
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This enables a smooth decompress to the screen
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but the video output signal will get scrambled */
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/* Misc */
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char reserved[312]; /* Makes 512 bytes for this structure */
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};
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/*
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Private IOCTL to set up for displaying MJPEG
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*/
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#define BUZIOC_G_PARAMS _IOR ('v', BASE_VIDIOCPRIVATE+0, struct zoran_params)
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#define BUZIOC_S_PARAMS _IOWR('v', BASE_VIDIOCPRIVATE+1, struct zoran_params)
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#define BUZIOC_REQBUFS _IOWR('v', BASE_VIDIOCPRIVATE+2, struct zoran_requestbuffers)
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#define BUZIOC_QBUF_CAPT _IOW ('v', BASE_VIDIOCPRIVATE+3, int)
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#define BUZIOC_QBUF_PLAY _IOW ('v', BASE_VIDIOCPRIVATE+4, int)
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#define BUZIOC_SYNC _IOR ('v', BASE_VIDIOCPRIVATE+5, struct zoran_sync)
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#define BUZIOC_G_STATUS _IOWR('v', BASE_VIDIOCPRIVATE+6, struct zoran_status)
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#ifdef __KERNEL__
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#define BUZ_NUM_STAT_COM 4
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#define BUZ_MASK_STAT_COM 3
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#define BUZ_MAX_FRAME 256 /* Must be a power of 2 */
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#define BUZ_MASK_FRAME 255 /* Must be BUZ_MAX_FRAME-1 */
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#if VIDEO_MAX_FRAME <= 32
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# define V4L_MAX_FRAME 32
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#elif VIDEO_MAX_FRAME <= 64
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# define V4L_MAX_FRAME 64
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#else
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# error "Too many video frame buffers to handle"
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#endif
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#define V4L_MASK_FRAME (V4L_MAX_FRAME - 1)
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#include "zr36057.h"
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enum card_type {
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UNKNOWN = 0,
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DC10,
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DC10plus,
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LML33,
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BUZ
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};
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enum zoran_codec_mode {
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BUZ_MODE_IDLE, /* nothing going on */
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BUZ_MODE_MOTION_COMPRESS, /* grabbing frames */
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BUZ_MODE_MOTION_DECOMPRESS, /* playing frames */
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BUZ_MODE_STILL_COMPRESS, /* still frame conversion */
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BUZ_MODE_STILL_DECOMPRESS /* still frame conversion */
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};
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enum zoran_buffer_state {
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BUZ_STATE_USER, /* buffer is owned by application */
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BUZ_STATE_PEND, /* buffer is queued in pend[] ready to feed to I/O */
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BUZ_STATE_DMA, /* buffer is queued in dma[] for I/O */
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BUZ_STATE_DONE /* buffer is ready to return to application */
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};
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struct zoran_gbuffer {
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u32 *frag_tab; /* addresses of frag table */
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u32 frag_tab_bus; /* same value cached to save time in ISR */
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enum zoran_buffer_state state; /* non-zero if corresponding buffer is in use in grab queue */
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struct zoran_sync bs; /* DONE: info to return to application */
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};
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struct v4l_gbuffer {
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char *fbuffer; /* virtual address of frame buffer */
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unsigned long fbuffer_phys; /* physical address of frame buffer */
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unsigned long fbuffer_bus; /* bus address of frame buffer */
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enum zoran_buffer_state state; /* state: unused/pending/done */
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};
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struct tvnorm {
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u16 Wt, Wa, HStart, HSyncStart, Ht, Ha, VStart;
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};
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struct zoran {
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struct video_device video_dev;
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struct i2c_bus i2c;
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int initialized; /* flag if zoran has been correctly initalized */
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int user; /* number of current users (0 or 1) */
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enum card_type card;
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struct tvnorm *timing;
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unsigned short id; /* number of this device */
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char name[32]; /* name of this device */
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struct pci_dev *pci_dev; /* PCI device */
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unsigned char revision; /* revision of zr36057 */
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unsigned int zr36057_adr; /* bus address of IO mem returned by PCI BIOS */
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unsigned char *zr36057_mem; /* pointer to mapped IO memory */
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int map_mjpeg_buffers; /* Flag which bufferset will map by next mmap() */
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spinlock_t lock; /* Spinlock irq and hardware */
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struct semaphore sem; /* Guard parallel ioctls and mmap */
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/* Video for Linux parameters */
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struct video_picture picture; /* Current picture params */
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struct video_buffer buffer; /* Current buffer params */
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struct video_window window; /* Current window params */
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int buffer_set, window_set; /* Flags if the above structures are set */
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int video_interlace; /* Image on screen is interlaced */
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u32 *overlay_mask;
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wait_queue_head_t v4l_capq;
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int v4l_overlay_active; /* Overlay grab is activated */
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int v4l_memgrab_active; /* Memory grab is activated */
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int v4l_grab_frame; /* Frame number being currently grabbed */
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#define NO_GRAB_ACTIVE (-1)
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int v4l_grab_seq; /* Number of frames grabbed */
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int gwidth; /* Width of current memory capture */
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int gheight; /* Height of current memory capture */
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int gformat; /* Format of ... */
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int gbpl; /* byte per line of ... */
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/* V4L grab queue of frames pending */
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unsigned v4l_pend_head;
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unsigned v4l_pend_tail;
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int v4l_pend[V4L_MAX_FRAME];
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struct v4l_gbuffer v4l_gbuf[VIDEO_MAX_FRAME]; /* V4L buffers' info */
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/* Buz MJPEG parameters */
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unsigned long jpg_nbufs; /* Number of buffers */
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unsigned long jpg_bufsize; /* Size of mjpeg buffers in bytes */
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int jpg_buffers_allocated; /* Flag if buffers are allocated */
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int need_contiguous; /* Flag if contiguous buffers are needed */
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enum zoran_codec_mode codec_mode; /* status of codec */
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struct zoran_params params; /* structure with a lot of things to play with */
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wait_queue_head_t jpg_capq; /* wait here for grab to finish */
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/* grab queue counts/indices, mask with BUZ_MASK_STAT_COM before using as index */
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/* (dma_head - dma_tail) is number active in DMA, must be <= BUZ_NUM_STAT_COM */
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/* (value & BUZ_MASK_STAT_COM) corresponds to index in stat_com table */
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unsigned long jpg_que_head; /* Index where to put next buffer which is queued */
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unsigned long jpg_dma_head; /* Index of next buffer which goes into stat_com */
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unsigned long jpg_dma_tail; /* Index of last buffer in stat_com */
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unsigned long jpg_que_tail; /* Index of last buffer in queue */
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unsigned long jpg_seq_num; /* count of frames since grab/play started */
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unsigned long jpg_err_seq; /* last seq_num before error */
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unsigned long jpg_err_shift;
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unsigned long jpg_queued_num; /* count of frames queued since grab/play started */
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/* zr36057's code buffer table */
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u32 *stat_com; /* stat_com[i] is indexed by dma_head/tail & BUZ_MASK_STAT_COM */
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/* (value & BUZ_MASK_FRAME) corresponds to index in pend[] queue */
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int jpg_pend[BUZ_MAX_FRAME];
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/* array indexed by frame number */
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struct zoran_gbuffer jpg_gbuf[BUZ_MAX_FRAME]; /* MJPEG buffers' info */
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/* Additional stuff for testing */
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struct proc_dir_entry *zoran_proc;
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int testing;
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int jpeg_error;
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int intr_counter_GIRQ1;
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int intr_counter_GIRQ0;
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int intr_counter_CodRepIRQ;
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int intr_counter_JPEGRepIRQ;
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int field_counter;
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int IRQ1_in;
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int IRQ1_out;
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int JPEG_in;
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int JPEG_out;
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int JPEG_0;
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int JPEG_1;
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int END_event_missed;
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int JPEG_missed;
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int JPEG_error;
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int num_errors;
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int JPEG_max_missed;
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int JPEG_min_missed;
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u32 last_isr;
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unsigned long frame_num;
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wait_queue_head_t test_q;
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};
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#endif
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/*The following should be done in more portable way. It depends on define
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of _ALPHA_BUZ in the Makefile.*/
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#ifdef _ALPHA_BUZ
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#define btwrite(dat,adr) writel((dat),(char *) (zr->zr36057_adr+(adr)))
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#define btread(adr) readl(zr->zr36057_adr+(adr))
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#else
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#define btwrite(dat,adr) writel((dat), (char *) (zr->zr36057_mem+(adr)))
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#define btread(adr) readl(zr->zr36057_mem+(adr))
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#endif
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#define btand(dat,adr) btwrite((dat) & btread(adr), adr)
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#define btor(dat,adr) btwrite((dat) | btread(adr), adr)
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#define btaor(dat,mask,adr) btwrite((dat) | ((mask) & btread(adr)), adr)
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#define I2C_TSA5522 0xc2
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#define I2C_TDA9850 0xb6
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#define I2C_HAUPEE 0xa0
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#define I2C_STBEE 0xae
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#define I2C_SAA7111 0x48
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#define I2C_SAA7110 0x9c
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#define I2C_SAA7185 0x88
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//#define I2C_ADV7175 0xd4
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#define I2C_ADV7175 0x54
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#define TDA9850_CON1 0x04
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#define TDA9850_CON2 0x05
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#define TDA9850_CON3 0x06
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#define TDA9850_CON4 0x07
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#define TDA9850_ALI1 0x08
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#define TDA9850_ALI2 0x09
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#define TDA9850_ALI3 0x0a
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#endif
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