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linux/drivers/media/video/zoran/zoran.h

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/*
* 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) 1996,97,98 Ralph Metzler (rjkm@thp.uni-koeln.de)
* & Marcus Metzler (mocm@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 <media/v4l2-device.h>
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 MAJOR_VERSION 0 /* driver major version */
#define MINOR_VERSION 9 /* driver minor version */
#define RELEASE_VERSION 5 /* release version */
#define ZORAN_NAME "ZORAN" /* name of the device */
#define ZR_DEVNAME(zr) ((zr)->name)
#define BUZ_MAX_WIDTH (zr->timing->Wa)
#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 */
#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 */
#define BUZ_MAX_INPUT 16
#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 = -1,
/* Pinnacle/Miro */
DC10_old, /* DC30 like */
DC10_new, /* DC10plus like */
DC10plus,
DC30,
DC30plus,
/* Linux Media Labs */
LML33,
LML33R10,
/* Iomega */
BUZ,
/* AverMedia */
AVS6EYES,
/* total number of cards */
NUM_CARDS
};
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 */
};
enum zoran_map_mode {
ZORAN_MAP_MODE_RAW,
ZORAN_MAP_MODE_JPG_REC,
#define ZORAN_MAP_MODE_JPG ZORAN_MAP_MODE_JPG_REC
ZORAN_MAP_MODE_JPG_PLAY,
};
enum gpio_type {
ZR_GPIO_JPEG_SLEEP = 0,
ZR_GPIO_JPEG_RESET,
ZR_GPIO_JPEG_FRAME,
ZR_GPIO_VID_DIR,
ZR_GPIO_VID_EN,
ZR_GPIO_VID_RESET,
ZR_GPIO_CLK_SEL1,
ZR_GPIO_CLK_SEL2,
ZR_GPIO_MAX,
};
enum gpcs_type {
GPCS_JPEG_RESET = 0,
GPCS_JPEG_START,
GPCS_MAX,
};
struct zoran_format {
char *name;
__u32 fourcc;
int colorspace;
int depth;
__u32 flags;
__u32 vfespfr;
};
/* flags */
#define ZORAN_FORMAT_COMPRESSED 1<<0
#define ZORAN_FORMAT_OVERLAY 1<<1
#define ZORAN_FORMAT_CAPTURE 1<<2
#define ZORAN_FORMAT_PLAYBACK 1<<3
/* overlay-settings */
struct zoran_overlay_settings {
int is_set;
int x, y, width, height; /* position */
int clipcount; /* position and number of clips */
const struct zoran_format *format; /* overlay format */
};
/* v4l-capture settings */
struct zoran_v4l_settings {
int width, height, bytesperline; /* capture size */
const struct zoran_format *format; /* capture format */
};
/* jpg-capture/-playback settings */
struct zoran_jpg_settings {
int decimation; /* this bit is used to set everything to default */
int HorDcm, VerDcm, TmpDcm; /* capture decimation settings (TmpDcm=1 means both fields) */
int field_per_buff, odd_even; /* field-settings (odd_even=1 (+TmpDcm=1) means top-field-first) */
int img_x, img_y, img_width, img_height; /* crop settings (subframe capture) */
struct v4l2_jpegcompression jpg_comp; /* JPEG-specific capture settings */
};
struct zoran_mapping {
struct file *file;
int count;
};
struct zoran_jpg_buffer {
struct zoran_mapping *map;
__le32 *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 zoran_v4l_buffer {
struct zoran_mapping *map;
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 zoran_sync bs; /* DONE: info to return to application */
};
enum zoran_lock_activity {
ZORAN_FREE, /* free for use */
ZORAN_ACTIVE, /* active but unlocked */
ZORAN_LOCKED, /* locked */
};
/* buffer collections */
struct zoran_jpg_struct {
enum zoran_lock_activity active; /* feature currently in use? */
struct zoran_jpg_buffer buffer[BUZ_MAX_FRAME]; /* buffers */
int num_buffers, buffer_size;
u8 allocated; /* Flag if buffers are allocated */
u8 need_contiguous; /* Flag if contiguous buffers are needed */
};
struct zoran_v4l_struct {
enum zoran_lock_activity active; /* feature currently in use? */
struct zoran_v4l_buffer buffer[VIDEO_MAX_FRAME]; /* buffers */
int num_buffers, buffer_size;
u8 allocated; /* Flag if buffers are allocated */
};
struct zoran;
/* zoran_fh contains per-open() settings */
struct zoran_fh {
struct zoran *zr;
enum zoran_map_mode map_mode; /* Flag which bufferset will map by next mmap() */
struct zoran_overlay_settings overlay_settings;
u32 *overlay_mask; /* overlay mask */
enum zoran_lock_activity overlay_active; /* feature currently in use? */
struct zoran_v4l_settings v4l_settings; /* structure with a lot of things to play with */
struct zoran_v4l_struct v4l_buffers; /* V4L buffers' info */
struct zoran_jpg_settings jpg_settings; /* structure with a lot of things to play with */
struct zoran_jpg_struct jpg_buffers; /* MJPEG buffers' info */
};
struct card_info {
enum card_type type;
char name[32];
const char *i2c_decoder; /* i2c decoder device */
const char *mod_decoder; /* i2c decoder module */
const unsigned short *addrs_decoder;
const char *i2c_encoder; /* i2c encoder device */
const char *mod_encoder; /* i2c encoder module */
const unsigned short *addrs_encoder;
u16 video_vfe, video_codec; /* videocodec types */
u16 audio_chip; /* audio type */
int inputs; /* number of video inputs */
struct input {
int muxsel;
char name[32];
} input[BUZ_MAX_INPUT];
v4l2_std_id norms;
struct tvnorm *tvn[3]; /* supported TV norms */
u32 jpeg_int; /* JPEG interrupt */
u32 vsync_int; /* VSYNC interrupt */
s8 gpio[ZR_GPIO_MAX];
u8 gpcs[GPCS_MAX];
struct vfe_polarity vfe_pol;
u8 gpio_pol[ZR_GPIO_MAX];
/* is the /GWS line conected? */
u8 gws_not_connected;
/* avs6eyes mux setting */
u8 input_mux;
void (*init) (struct zoran * zr);
};
struct zoran {
struct v4l2_device v4l2_dev;
struct video_device *video_dev;
struct i2c_adapter i2c_adapter; /* */
struct i2c_algo_bit_data i2c_algo; /* */
u32 i2cbr;
struct v4l2_subdev *decoder; /* video decoder sub-device */
struct v4l2_subdev *encoder; /* video encoder sub-device */
struct videocodec *codec; /* video codec */
struct videocodec *vfe; /* video front end */
struct mutex resource_lock; /* prevent evil stuff */
u8 initialized; /* flag if zoran has been correctly initalized */
int user; /* number of current users */
struct card_info 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 char __iomem *zr36057_mem;/* pointer to mapped IO memory */
spinlock_t spinlock; /* Spinlock */
/* Video for Linux parameters */
int input; /* card's norm and input - norm=VIDEO_MODE_* */
v4l2_std_id norm;
/* Current buffer params */
void *vbuf_base;
int vbuf_height, vbuf_width;
int vbuf_depth;
int vbuf_bytesperline;
struct zoran_overlay_settings overlay_settings;
u32 *overlay_mask; /* overlay mask */
enum zoran_lock_activity overlay_active; /* feature currently in use? */
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)
unsigned long v4l_grab_seq; /* Number of frames grabbed */
struct zoran_v4l_settings v4l_settings; /* structure with a lot of things to play with */
/* V4L grab queue of frames pending */
unsigned long v4l_pend_head;
unsigned long v4l_pend_tail;
unsigned long v4l_sync_tail;
int v4l_pend[V4L_MAX_FRAME];
struct zoran_v4l_struct v4l_buffers; /* V4L buffers' info */
/* Buz MJPEG parameters */
enum zoran_codec_mode codec_mode; /* status of codec */
struct zoran_jpg_settings jpg_settings; /* 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 */
__le32 *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_jpg_struct jpg_buffers; /* MJPEG buffers' info */
/* Additional stuff for testing */
#ifdef CONFIG_PROC_FS
struct proc_dir_entry *zoran_proc;
#else
void *zoran_proc;
#endif
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;
};
static inline struct zoran *to_zoran(struct v4l2_device *v4l2_dev)
{
return container_of(v4l2_dev, struct zoran, v4l2_dev);
}
/* There was something called _ALPHA_BUZ that used the PCI address instead of
* the kernel iomapped address for btread/btwrite. */
#define btwrite(dat,adr) writel((dat), zr->zr36057_mem+(adr))
#define btread(adr) readl(zr->zr36057_mem+(adr))
#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)
#endif /* __kernel__ */
#endif
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