/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* zoran - Iomega Buz driver
*
* Copyright (C) 1999 Rainer Johanni <[email protected]>
*
* based on
*
* zoran.0.0.3 Copyright (C) 1998 Dave Perks <[email protected]>
*
* and
*
* bttv - Bt848 frame grabber driver
* Copyright (C) 1996,97,98 Ralph Metzler ([email protected])
* & Marcus Metzler ([email protected])
*/
#ifndef _BUZ_H_
#define _BUZ_H_
#include <linux/debugfs.h>
#include <linux/pci.h>
#include <linux/i2c-algo-bit.h>
#include <media/v4l2-device.h>
#include <media/v4l2-ctrls.h>
#include <media/videobuf2-core.h>
#include <media/videobuf2-v4l2.h>
#include <media/videobuf2-dma-contig.h>
#define ZR_NORM_PAL 0
#define ZR_NORM_NTSC 1
#define ZR_NORM_SECAM 2
struct zr_buffer {
/* common v4l buffer stuff -- must be first */
struct vb2_v4l2_buffer vbuf;
struct list_head queue;
};
static inline struct zr_buffer *vb2_to_zr_buffer(struct vb2_buffer *vb)
{
struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
return container_of(vbuf, struct zr_buffer, vbuf);
}
#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_INPUT 16
#include "zr36057.h"
enum card_type {
UNKNOWN = -1,
/* Pinnacle/Miro */
DC10_OLD, /* DC30 like */
DC10_NEW, /* DC10_PLUS like */
DC10_PLUS,
DC30,
DC30_PLUS,
/* 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_map_mode {
ZORAN_MAP_MODE_NONE,
ZORAN_MAP_MODE_RAW,
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 BIT(0)
#define ZORAN_FORMAT_OVERLAY BIT(1)
#define ZORAN_FORMAT_CAPTURE BIT(2)
#define ZORAN_FORMAT_PLAYBACK BIT(3)
/* 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 {
/* this bit is used to set everything to default */
int decimation;
/* capture decimation settings (tmp_dcm=1 means both fields) */
int hor_dcm, ver_dcm, tmp_dcm;
/* field-settings (odd_even=1 (+tmp_dcm=1) means top-field-first) */
int field_per_buff, odd_even;
/* crop settings (subframe capture) */
int img_x, img_y, img_width, img_height;
/* JPEG-specific capture settings */
struct v4l2_jpegcompression jpg_comp;
};
struct zoran;
/* zoran_fh contains per-open() settings */
struct zoran_fh {
struct v4l2_fh fh;
struct zoran *zr;
};
struct card_info {
enum card_type type;
char name[32];
const char *i2c_decoder; /* i2c decoder device */
const unsigned short *addrs_decoder;
const char *i2c_encoder; /* i2c encoder device */
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;
const 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 connected? */
u8 gws_not_connected;
/* avs6eyes mux setting */
u8 input_mux;
void (*init)(struct zoran *zr);
};
struct zoran {
struct v4l2_device v4l2_dev;
struct v4l2_ctrl_handler hdl;
struct video_device *video_dev;
struct vb2_queue vq;
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 lock; /* file ops serialize lock */
u8 initialized; /* flag if zoran has been correctly initialized */
struct card_info card;
const struct tvnorm *timing;
unsigned short id; /* number of this device */
char name[40]; /* 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 */
v4l2_std_id norm;
/* Current buffer params */
unsigned int buffer_size;
struct zoran_v4l_settings v4l_settings; /* structure with a lot of things to play with */
/* 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 */
/* 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 */
unsigned long vbseq;
/* zr36057's code buffer table */
/* stat_com[i] is indexed by dma_head/tail & BUZ_MASK_STAT_COM */
__le32 *stat_com;
/* Additional stuff for testing */
unsigned int ghost_int;
int intr_counter_GIRQ1;
int intr_counter_GIRQ0;
int intr_counter_cod_rep_irq;
int intr_counter_jpeg_rep_irq;
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;
unsigned int prepared;
unsigned int queued;
u32 last_isr;
unsigned long frame_num;
int running;
int buf_in_reserve;
dma_addr_t p_sc;
__le32 *stat_comb;
dma_addr_t p_scb;
enum zoran_map_mode map_mode;
struct list_head queued_bufs;
spinlock_t queued_bufs_lock; /* Protects queued_bufs */
struct zr_buffer *inuse[BUZ_NUM_STAT_COM * 2];
struct dentry *dbgfs_dir;
};
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
/*
* Debugging macros
*/
#define zrdev_dbg(zr, format, args...) \
pci_dbg((zr)->pci_dev, format, ##args) \
#define zrdev_err(zr, format, args...) \
pci_err((zr)->pci_dev, format, ##args) \
#define zrdev_info(zr, format, args...) \
pci_info((zr)->pci_dev, format, ##args) \
int zoran_queue_init(struct zoran *zr, struct vb2_queue *vq, int dir);
void zoran_queue_exit(struct zoran *zr);
int zr_set_buf(struct zoran *zr);
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