mirror of
https://github.com/mpv-player/mpv
synced 2024-12-25 16:33:02 +00:00
373 lines
13 KiB
C
373 lines
13 KiB
C
|
/*
|
||
|
zoran - Iomega Buz driver
|
||
|
|
||
|
Copyright (C) 1999 Rainer Johanni <Rainer@Johanni.de>
|
||
|
|
||
|
based on
|
||
|
|
||
|
zoran.0.0.3 Copyright (C) 1998 Dave Perks <dperks@ibm.net>
|
||
|
|
||
|
and
|
||
|
|
||
|
bttv - Bt848 frame grabber driver
|
||
|
Copyright (C) 1996,97 Ralph Metzler (rjkm@thp.uni-koeln.de)
|
||
|
|
||
|
This program is free software; you can redistribute it and/or modify
|
||
|
it under the terms of the GNU General Public License as published by
|
||
|
the Free Software Foundation; either version 2 of the License, or
|
||
|
(at your option) any later version.
|
||
|
|
||
|
This program is distributed in the hope that it will be useful,
|
||
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
GNU General Public License for more details.
|
||
|
|
||
|
You should have received a copy of the GNU General Public License
|
||
|
along with this program; if not, write to the Free Software
|
||
|
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||
|
*/
|
||
|
|
||
|
#ifndef _BUZ_H_
|
||
|
#define _BUZ_H_
|
||
|
|
||
|
#include <linux/config.h>
|
||
|
|
||
|
#if LINUX_VERSION_CODE < 0x20212
|
||
|
typedef struct wait_queue *wait_queue_head_t;
|
||
|
#endif
|
||
|
|
||
|
/* The Buz only supports a maximum width of 720, but some V4L
|
||
|
applications (e.g. xawtv are more happy with 768).
|
||
|
If XAWTV_HACK is defined, we try to fake a device with bigger width */
|
||
|
|
||
|
//#define XAWTV_HACK
|
||
|
|
||
|
//#ifdef XAWTV_HACK
|
||
|
//#define BUZ_MAX_WIDTH 768 /* never display more than 768 pixels */
|
||
|
#define BUZ_MAX_WIDTH (zr->timing->Wa)
|
||
|
//#else
|
||
|
//#define BUZ_MAX_WIDTH 720 /* never display more than 720 pixels */
|
||
|
//#endif
|
||
|
//#define BUZ_MAX_HEIGHT 576 /* never display more than 576 rows */
|
||
|
#define BUZ_MAX_HEIGHT (zr->timing->Ha)
|
||
|
#define BUZ_MIN_WIDTH 32 /* never display less than 32 pixels */
|
||
|
#define BUZ_MIN_HEIGHT 24 /* never display less than 24 rows */
|
||
|
|
||
|
struct zoran_requestbuffers {
|
||
|
unsigned long count; /* Number of buffers for MJPEG grabbing */
|
||
|
unsigned long size; /* Size PER BUFFER in bytes */
|
||
|
};
|
||
|
|
||
|
struct zoran_sync {
|
||
|
unsigned long frame; /* number of buffer that has been free'd */
|
||
|
unsigned long length; /* number of code bytes in buffer (capture only) */
|
||
|
unsigned long seq; /* frame sequence number */
|
||
|
struct timeval timestamp; /* timestamp */
|
||
|
};
|
||
|
|
||
|
struct zoran_status {
|
||
|
int input; /* Input channel, has to be set prior to BUZIOC_G_STATUS */
|
||
|
int signal; /* Returned: 1 if valid video signal detected */
|
||
|
int norm; /* Returned: VIDEO_MODE_PAL or VIDEO_MODE_NTSC */
|
||
|
int color; /* Returned: 1 if color signal detected */
|
||
|
};
|
||
|
|
||
|
struct zoran_params {
|
||
|
|
||
|
/* The following parameters can only be queried */
|
||
|
|
||
|
int major_version; /* Major version number of driver */
|
||
|
int minor_version; /* Minor version number of driver */
|
||
|
|
||
|
/* Main control parameters */
|
||
|
|
||
|
int input; /* Input channel: 0 = Composite, 1 = S-VHS */
|
||
|
int norm; /* Norm: VIDEO_MODE_PAL or VIDEO_MODE_NTSC */
|
||
|
int decimation; /* decimation of captured video,
|
||
|
enlargement of video played back.
|
||
|
Valid values are 1, 2, 4 or 0.
|
||
|
0 is a special value where the user
|
||
|
has full control over video scaling */
|
||
|
|
||
|
/* The following parameters only have to be set if decimation==0,
|
||
|
for other values of decimation they provide the data how the image is captured */
|
||
|
|
||
|
int HorDcm; /* Horizontal decimation: 1, 2 or 4 */
|
||
|
int VerDcm; /* Vertical decimation: 1 or 2 */
|
||
|
int TmpDcm; /* Temporal decimation: 1 or 2,
|
||
|
if TmpDcm==2 in capture every second frame is dropped,
|
||
|
in playback every frame is played twice */
|
||
|
int field_per_buff; /* Number of fields per buffer: 1 or 2 */
|
||
|
int img_x; /* start of image in x direction */
|
||
|
int img_y; /* start of image in y direction */
|
||
|
int img_width; /* image width BEFORE decimation,
|
||
|
must be a multiple of HorDcm*16 */
|
||
|
int img_height; /* image height BEFORE decimation,
|
||
|
must be a multiple of VerDcm*8 */
|
||
|
|
||
|
/* --- End of parameters for decimation==0 only --- */
|
||
|
|
||
|
/* JPEG control parameters */
|
||
|
|
||
|
int quality; /* Measure for quality of compressed images.
|
||
|
Scales linearly with the size of the compressed images.
|
||
|
Must be beetween 0 and 100, 100 is a compression
|
||
|
ratio of 1:4 */
|
||
|
|
||
|
int odd_even; /* Which field should come first ??? */
|
||
|
|
||
|
int APPn; /* Number of APP segment to be written, must be 0..15 */
|
||
|
int APP_len; /* Length of data in JPEG APPn segment */
|
||
|
char APP_data[60]; /* Data in the JPEG APPn segment. */
|
||
|
|
||
|
int COM_len; /* Length of data in JPEG COM segment */
|
||
|
char COM_data[60]; /* Data in JPEG COM segment */
|
||
|
|
||
|
unsigned long jpeg_markers; /* Which markers should go into the JPEG output.
|
||
|
Unless you exactly know what you do, leave them untouched.
|
||
|
Inluding less markers will make the resulting code
|
||
|
smaller, but there will be fewer aplications
|
||
|
which can read it.
|
||
|
The presence of the APP and COM marker is
|
||
|
influenced by APP0_len and COM_len ONLY! */
|
||
|
#define JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */
|
||
|
#define JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */
|
||
|
#define JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */
|
||
|
#define JPEG_MARKER_COM (1<<6) /* Comment segment */
|
||
|
#define JPEG_MARKER_APP (1<<7) /* App segment, driver will allways use APP0 */
|
||
|
|
||
|
int VFIFO_FB; /* Flag for enabling Video Fifo Feedback.
|
||
|
If this flag is turned on and JPEG decompressing
|
||
|
is going to the screen, the decompress process
|
||
|
is stopped every time the Video Fifo is full.
|
||
|
This enables a smooth decompress to the screen
|
||
|
but the video output signal will get scrambled */
|
||
|
|
||
|
/* Misc */
|
||
|
|
||
|
char reserved[312]; /* Makes 512 bytes for this structure */
|
||
|
};
|
||
|
|
||
|
/*
|
||
|
Private IOCTL to set up for displaying MJPEG
|
||
|
*/
|
||
|
#define BUZIOC_G_PARAMS _IOR ('v', BASE_VIDIOCPRIVATE+0, struct zoran_params)
|
||
|
#define BUZIOC_S_PARAMS _IOWR('v', BASE_VIDIOCPRIVATE+1, struct zoran_params)
|
||
|
#define BUZIOC_REQBUFS _IOWR('v', BASE_VIDIOCPRIVATE+2, struct zoran_requestbuffers)
|
||
|
#define BUZIOC_QBUF_CAPT _IOW ('v', BASE_VIDIOCPRIVATE+3, int)
|
||
|
#define BUZIOC_QBUF_PLAY _IOW ('v', BASE_VIDIOCPRIVATE+4, int)
|
||
|
#define BUZIOC_SYNC _IOR ('v', BASE_VIDIOCPRIVATE+5, struct zoran_sync)
|
||
|
#define BUZIOC_G_STATUS _IOWR('v', BASE_VIDIOCPRIVATE+6, struct zoran_status)
|
||
|
|
||
|
|
||
|
#ifdef __KERNEL__
|
||
|
|
||
|
#define BUZ_NUM_STAT_COM 4
|
||
|
#define BUZ_MASK_STAT_COM 3
|
||
|
|
||
|
#define BUZ_MAX_FRAME 256 /* Must be a power of 2 */
|
||
|
#define BUZ_MASK_FRAME 255 /* Must be BUZ_MAX_FRAME-1 */
|
||
|
|
||
|
#if VIDEO_MAX_FRAME <= 32
|
||
|
# define V4L_MAX_FRAME 32
|
||
|
#elif VIDEO_MAX_FRAME <= 64
|
||
|
# define V4L_MAX_FRAME 64
|
||
|
#else
|
||
|
# error "Too many video frame buffers to handle"
|
||
|
#endif
|
||
|
#define V4L_MASK_FRAME (V4L_MAX_FRAME - 1)
|
||
|
|
||
|
|
||
|
#include "zr36057.h"
|
||
|
|
||
|
enum card_type {
|
||
|
UNKNOWN = 0,
|
||
|
DC10,
|
||
|
DC10plus,
|
||
|
LML33,
|
||
|
BUZ
|
||
|
};
|
||
|
|
||
|
enum zoran_codec_mode {
|
||
|
BUZ_MODE_IDLE, /* nothing going on */
|
||
|
BUZ_MODE_MOTION_COMPRESS, /* grabbing frames */
|
||
|
BUZ_MODE_MOTION_DECOMPRESS, /* playing frames */
|
||
|
BUZ_MODE_STILL_COMPRESS, /* still frame conversion */
|
||
|
BUZ_MODE_STILL_DECOMPRESS /* still frame conversion */
|
||
|
};
|
||
|
|
||
|
enum zoran_buffer_state {
|
||
|
BUZ_STATE_USER, /* buffer is owned by application */
|
||
|
BUZ_STATE_PEND, /* buffer is queued in pend[] ready to feed to I/O */
|
||
|
BUZ_STATE_DMA, /* buffer is queued in dma[] for I/O */
|
||
|
BUZ_STATE_DONE /* buffer is ready to return to application */
|
||
|
};
|
||
|
|
||
|
struct zoran_gbuffer {
|
||
|
u32 *frag_tab; /* addresses of frag table */
|
||
|
u32 frag_tab_bus; /* same value cached to save time in ISR */
|
||
|
enum zoran_buffer_state state; /* non-zero if corresponding buffer is in use in grab queue */
|
||
|
struct zoran_sync bs; /* DONE: info to return to application */
|
||
|
};
|
||
|
|
||
|
struct v4l_gbuffer {
|
||
|
char *fbuffer; /* virtual address of frame buffer */
|
||
|
unsigned long fbuffer_phys; /* physical address of frame buffer */
|
||
|
unsigned long fbuffer_bus; /* bus address of frame buffer */
|
||
|
enum zoran_buffer_state state; /* state: unused/pending/done */
|
||
|
};
|
||
|
|
||
|
struct tvnorm {
|
||
|
u16 Wt, Wa, HStart, HSyncStart, Ht, Ha, VStart;
|
||
|
};
|
||
|
|
||
|
struct zoran {
|
||
|
struct video_device video_dev;
|
||
|
struct i2c_bus i2c;
|
||
|
|
||
|
int initialized; /* flag if zoran has been correctly initalized */
|
||
|
int user; /* number of current users (0 or 1) */
|
||
|
enum card_type card;
|
||
|
struct tvnorm *timing;
|
||
|
|
||
|
unsigned short id; /* number of this device */
|
||
|
char name[32]; /* name of this device */
|
||
|
struct pci_dev *pci_dev; /* PCI device */
|
||
|
unsigned char revision; /* revision of zr36057 */
|
||
|
unsigned int zr36057_adr; /* bus address of IO mem returned by PCI BIOS */
|
||
|
unsigned char *zr36057_mem; /* pointer to mapped IO memory */
|
||
|
|
||
|
int map_mjpeg_buffers; /* Flag which bufferset will map by next mmap() */
|
||
|
|
||
|
spinlock_t lock; /* Spinlock irq and hardware */
|
||
|
struct semaphore sem; /* Guard parallel ioctls and mmap */
|
||
|
|
||
|
/* Video for Linux parameters */
|
||
|
|
||
|
struct video_picture picture; /* Current picture params */
|
||
|
struct video_buffer buffer; /* Current buffer params */
|
||
|
struct video_window window; /* Current window params */
|
||
|
int buffer_set, window_set; /* Flags if the above structures are set */
|
||
|
int video_interlace; /* Image on screen is interlaced */
|
||
|
|
||
|
u32 *overlay_mask;
|
||
|
wait_queue_head_t v4l_capq;
|
||
|
|
||
|
int v4l_overlay_active; /* Overlay grab is activated */
|
||
|
int v4l_memgrab_active; /* Memory grab is activated */
|
||
|
|
||
|
int v4l_grab_frame; /* Frame number being currently grabbed */
|
||
|
#define NO_GRAB_ACTIVE (-1)
|
||
|
int v4l_grab_seq; /* Number of frames grabbed */
|
||
|
int gwidth; /* Width of current memory capture */
|
||
|
int gheight; /* Height of current memory capture */
|
||
|
int gformat; /* Format of ... */
|
||
|
int gbpl; /* byte per line of ... */
|
||
|
|
||
|
/* V4L grab queue of frames pending */
|
||
|
|
||
|
unsigned v4l_pend_head;
|
||
|
unsigned v4l_pend_tail;
|
||
|
int v4l_pend[V4L_MAX_FRAME];
|
||
|
|
||
|
struct v4l_gbuffer v4l_gbuf[VIDEO_MAX_FRAME]; /* V4L buffers' info */
|
||
|
|
||
|
/* Buz MJPEG parameters */
|
||
|
|
||
|
unsigned long jpg_nbufs; /* Number of buffers */
|
||
|
unsigned long jpg_bufsize; /* Size of mjpeg buffers in bytes */
|
||
|
int jpg_buffers_allocated; /* Flag if buffers are allocated */
|
||
|
int need_contiguous; /* Flag if contiguous buffers are needed */
|
||
|
|
||
|
enum zoran_codec_mode codec_mode; /* status of codec */
|
||
|
struct zoran_params params; /* structure with a lot of things to play with */
|
||
|
|
||
|
wait_queue_head_t jpg_capq; /* wait here for grab to finish */
|
||
|
|
||
|
/* grab queue counts/indices, mask with BUZ_MASK_STAT_COM before using as index */
|
||
|
/* (dma_head - dma_tail) is number active in DMA, must be <= BUZ_NUM_STAT_COM */
|
||
|
/* (value & BUZ_MASK_STAT_COM) corresponds to index in stat_com table */
|
||
|
unsigned long jpg_que_head; /* Index where to put next buffer which is queued */
|
||
|
unsigned long jpg_dma_head; /* Index of next buffer which goes into stat_com */
|
||
|
unsigned long jpg_dma_tail; /* Index of last buffer in stat_com */
|
||
|
unsigned long jpg_que_tail; /* Index of last buffer in queue */
|
||
|
unsigned long jpg_seq_num; /* count of frames since grab/play started */
|
||
|
unsigned long jpg_err_seq; /* last seq_num before error */
|
||
|
unsigned long jpg_err_shift;
|
||
|
unsigned long jpg_queued_num; /* count of frames queued since grab/play started */
|
||
|
|
||
|
/* zr36057's code buffer table */
|
||
|
u32 *stat_com; /* stat_com[i] is indexed by dma_head/tail & BUZ_MASK_STAT_COM */
|
||
|
|
||
|
/* (value & BUZ_MASK_FRAME) corresponds to index in pend[] queue */
|
||
|
int jpg_pend[BUZ_MAX_FRAME];
|
||
|
|
||
|
/* array indexed by frame number */
|
||
|
struct zoran_gbuffer jpg_gbuf[BUZ_MAX_FRAME]; /* MJPEG buffers' info */
|
||
|
|
||
|
/* Additional stuff for testing */
|
||
|
struct proc_dir_entry *zoran_proc;
|
||
|
|
||
|
int testing;
|
||
|
int jpeg_error;
|
||
|
int intr_counter_GIRQ1;
|
||
|
int intr_counter_GIRQ0;
|
||
|
int intr_counter_CodRepIRQ;
|
||
|
int intr_counter_JPEGRepIRQ;
|
||
|
int field_counter;
|
||
|
int IRQ1_in;
|
||
|
int IRQ1_out;
|
||
|
int JPEG_in;
|
||
|
int JPEG_out;
|
||
|
int JPEG_0;
|
||
|
int JPEG_1;
|
||
|
int END_event_missed;
|
||
|
int JPEG_missed;
|
||
|
int JPEG_error;
|
||
|
int num_errors;
|
||
|
int JPEG_max_missed;
|
||
|
int JPEG_min_missed;
|
||
|
|
||
|
u32 last_isr;
|
||
|
unsigned long frame_num;
|
||
|
|
||
|
wait_queue_head_t test_q;
|
||
|
};
|
||
|
|
||
|
#endif
|
||
|
|
||
|
/*The following should be done in more portable way. It depends on define
|
||
|
of _ALPHA_BUZ in the Makefile.*/
|
||
|
|
||
|
#ifdef _ALPHA_BUZ
|
||
|
#define btwrite(dat,adr) writel((dat),(char *) (zr->zr36057_adr+(adr)))
|
||
|
#define btread(adr) readl(zr->zr36057_adr+(adr))
|
||
|
#else
|
||
|
#define btwrite(dat,adr) writel((dat), (char *) (zr->zr36057_mem+(adr)))
|
||
|
#define btread(adr) readl(zr->zr36057_mem+(adr))
|
||
|
#endif
|
||
|
|
||
|
#define btand(dat,adr) btwrite((dat) & btread(adr), adr)
|
||
|
#define btor(dat,adr) btwrite((dat) | btread(adr), adr)
|
||
|
#define btaor(dat,mask,adr) btwrite((dat) | ((mask) & btread(adr)), adr)
|
||
|
|
||
|
#define I2C_TSA5522 0xc2
|
||
|
#define I2C_TDA9850 0xb6
|
||
|
#define I2C_HAUPEE 0xa0
|
||
|
#define I2C_STBEE 0xae
|
||
|
#define I2C_SAA7111 0x48
|
||
|
#define I2C_SAA7110 0x9c
|
||
|
#define I2C_SAA7185 0x88
|
||
|
//#define I2C_ADV7175 0xd4
|
||
|
#define I2C_ADV7175 0x54
|
||
|
|
||
|
#define TDA9850_CON1 0x04
|
||
|
#define TDA9850_CON2 0x05
|
||
|
#define TDA9850_CON3 0x06
|
||
|
#define TDA9850_CON4 0x07
|
||
|
#define TDA9850_ALI1 0x08
|
||
|
#define TDA9850_ALI2 0x09
|
||
|
#define TDA9850_ALI3 0x0a
|
||
|
|
||
|
#endif
|