329 lines
8.3 KiB
C
329 lines
8.3 KiB
C
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/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* zoran - Iomega Buz driver
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*
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* Copyright (C) 1999 Rainer Johanni <Rainer@Johanni.de>
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*
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* based on
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*
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* zoran.0.0.3 Copyright (C) 1998 Dave Perks <dperks@ibm.net>
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*
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* and
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*
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* bttv - Bt848 frame grabber driver
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* Copyright (C) 1996,97,98 Ralph Metzler (rjkm@thp.uni-koeln.de)
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* & Marcus Metzler (mocm@thp.uni-koeln.de)
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*/
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#ifndef _BUZ_H_
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#define _BUZ_H_
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#include <linux/debugfs.h>
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#include <linux/pci.h>
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#include <linux/i2c-algo-bit.h>
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#include <media/v4l2-device.h>
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#include <media/v4l2-ctrls.h>
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#include <media/videobuf2-core.h>
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#include <media/videobuf2-v4l2.h>
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#include <media/videobuf2-dma-contig.h>
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#define ZR_NORM_PAL 0
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#define ZR_NORM_NTSC 1
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#define ZR_NORM_SECAM 2
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struct zr_buffer {
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/* common v4l buffer stuff -- must be first */
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struct vb2_v4l2_buffer vbuf;
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struct list_head queue;
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};
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static inline struct zr_buffer *vb2_to_zr_buffer(struct vb2_buffer *vb)
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{
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struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
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return container_of(vbuf, struct zr_buffer, vbuf);
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}
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#define ZORAN_NAME "ZORAN" /* name of the device */
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#define ZR_DEVNAME(zr) ((zr)->name)
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#define BUZ_MAX_WIDTH (zr->timing->wa)
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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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#define BUZ_NUM_STAT_COM 4
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#define BUZ_MASK_STAT_COM 3
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#define BUZ_MAX_INPUT 16
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#include "zr36057.h"
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enum card_type {
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UNKNOWN = -1,
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/* Pinnacle/Miro */
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DC10_OLD, /* DC30 like */
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DC10_NEW, /* DC10_PLUS like */
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DC10_PLUS,
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DC30,
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DC30_PLUS,
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/* Linux Media Labs */
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LML33,
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LML33R10,
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/* Iomega */
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BUZ,
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/* AverMedia */
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AVS6EYES,
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/* total number of cards */
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NUM_CARDS
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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_map_mode {
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ZORAN_MAP_MODE_NONE,
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ZORAN_MAP_MODE_RAW,
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ZORAN_MAP_MODE_JPG_REC,
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ZORAN_MAP_MODE_JPG_PLAY,
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};
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enum gpio_type {
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ZR_GPIO_JPEG_SLEEP = 0,
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ZR_GPIO_JPEG_RESET,
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ZR_GPIO_JPEG_FRAME,
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ZR_GPIO_VID_DIR,
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ZR_GPIO_VID_EN,
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ZR_GPIO_VID_RESET,
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ZR_GPIO_CLK_SEL1,
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ZR_GPIO_CLK_SEL2,
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ZR_GPIO_MAX,
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};
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enum gpcs_type {
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GPCS_JPEG_RESET = 0,
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GPCS_JPEG_START,
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GPCS_MAX,
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};
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struct zoran_format {
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char *name;
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__u32 fourcc;
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int colorspace;
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int depth;
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__u32 flags;
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__u32 vfespfr;
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};
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/* flags */
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#define ZORAN_FORMAT_COMPRESSED BIT(0)
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#define ZORAN_FORMAT_OVERLAY BIT(1)
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#define ZORAN_FORMAT_CAPTURE BIT(2)
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#define ZORAN_FORMAT_PLAYBACK BIT(3)
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/* v4l-capture settings */
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struct zoran_v4l_settings {
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int width, height, bytesperline; /* capture size */
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const struct zoran_format *format; /* capture format */
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};
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/* jpg-capture/-playback settings */
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struct zoran_jpg_settings {
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/* this bit is used to set everything to default */
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int decimation;
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/* capture decimation settings (tmp_dcm=1 means both fields) */
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int hor_dcm, ver_dcm, tmp_dcm;
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/* field-settings (odd_even=1 (+tmp_dcm=1) means top-field-first) */
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int field_per_buff, odd_even;
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/* crop settings (subframe capture) */
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int img_x, img_y, img_width, img_height;
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/* JPEG-specific capture settings */
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struct v4l2_jpegcompression jpg_comp;
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};
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struct zoran;
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/* zoran_fh contains per-open() settings */
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struct zoran_fh {
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struct v4l2_fh fh;
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struct zoran *zr;
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};
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struct card_info {
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enum card_type type;
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char name[32];
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const char *i2c_decoder; /* i2c decoder device */
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const unsigned short *addrs_decoder;
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const char *i2c_encoder; /* i2c encoder device */
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const unsigned short *addrs_encoder;
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u16 video_vfe, video_codec; /* videocodec types */
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u16 audio_chip; /* audio type */
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int inputs; /* number of video inputs */
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struct input {
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int muxsel;
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char name[32];
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} input[BUZ_MAX_INPUT];
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v4l2_std_id norms;
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const struct tvnorm *tvn[3]; /* supported TV norms */
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u32 jpeg_int; /* JPEG interrupt */
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u32 vsync_int; /* VSYNC interrupt */
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s8 gpio[ZR_GPIO_MAX];
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u8 gpcs[GPCS_MAX];
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struct vfe_polarity vfe_pol;
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u8 gpio_pol[ZR_GPIO_MAX];
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/* is the /GWS line connected? */
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u8 gws_not_connected;
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/* avs6eyes mux setting */
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u8 input_mux;
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void (*init)(struct zoran *zr);
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};
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struct zoran {
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struct v4l2_device v4l2_dev;
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struct v4l2_ctrl_handler hdl;
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struct video_device *video_dev;
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struct vb2_queue vq;
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struct i2c_adapter i2c_adapter; /* */
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struct i2c_algo_bit_data i2c_algo; /* */
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u32 i2cbr;
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struct v4l2_subdev *decoder; /* video decoder sub-device */
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struct v4l2_subdev *encoder; /* video encoder sub-device */
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struct videocodec *codec; /* video codec */
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struct videocodec *vfe; /* video front end */
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struct mutex lock; /* file ops serialize lock */
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u8 initialized; /* flag if zoran has been correctly initialized */
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struct card_info card;
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const 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 char __iomem *zr36057_mem;/* pointer to mapped IO memory */
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spinlock_t spinlock; /* Spinlock */
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/* Video for Linux parameters */
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int input; /* card's norm and input */
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v4l2_std_id norm;
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/* Current buffer params */
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unsigned int buffer_size;
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struct zoran_v4l_settings v4l_settings; /* structure with a lot of things to play with */
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/* Buz MJPEG parameters */
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enum zoran_codec_mode codec_mode; /* status of codec */
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struct zoran_jpg_settings jpg_settings; /* structure with a lot of things to play with */
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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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unsigned long vbseq;
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/* zr36057's code buffer table */
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/* stat_com[i] is indexed by dma_head/tail & BUZ_MASK_STAT_COM */
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__le32 *stat_com;
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/* Additional stuff for testing */
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unsigned int ghost_int;
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int intr_counter_GIRQ1;
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int intr_counter_GIRQ0;
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int intr_counter_cod_rep_irq;
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int intr_counter_jpeg_rep_irq;
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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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unsigned int prepared;
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unsigned int queued;
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u32 last_isr;
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unsigned long frame_num;
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int running;
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int buf_in_reserve;
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dma_addr_t p_sc;
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__le32 *stat_comb;
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dma_addr_t p_scb;
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enum zoran_map_mode map_mode;
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struct list_head queued_bufs;
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spinlock_t queued_bufs_lock; /* Protects queued_bufs */
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struct zr_buffer *inuse[BUZ_NUM_STAT_COM * 2];
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struct dentry *dbgfs_dir;
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};
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static inline struct zoran *to_zoran(struct v4l2_device *v4l2_dev)
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{
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return container_of(v4l2_dev, struct zoran, v4l2_dev);
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}
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/*
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* There was something called _ALPHA_BUZ that used the PCI address instead of
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* the kernel iomapped address for btread/btwrite.
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*/
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#define btwrite(dat, adr) writel((dat), zr->zr36057_mem + (adr))
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#define btread(adr) readl(zr->zr36057_mem + (adr))
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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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#endif
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/*
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* Debugging macros
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*/
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#define zrdev_dbg(zr, format, args...) \
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pci_dbg((zr)->pci_dev, format, ##args) \
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#define zrdev_err(zr, format, args...) \
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pci_err((zr)->pci_dev, format, ##args) \
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#define zrdev_info(zr, format, args...) \
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pci_info((zr)->pci_dev, format, ##args) \
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int zoran_queue_init(struct zoran *zr, struct vb2_queue *vq, int dir);
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void zoran_queue_exit(struct zoran *zr);
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int zr_set_buf(struct zoran *zr);
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