400 lines
11 KiB
C
400 lines
11 KiB
C
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/*
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$Id: bttvp.h,v 1.17 2005/02/16 12:14:10 kraxel Exp $
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bttv - Bt848 frame grabber driver
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bttv's *private* header file -- nobody other than bttv itself
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should ever include this file.
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(c) 2000-2002 Gerd Knorr <kraxel@bytesex.org>
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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 _BTTVP_H_
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#define _BTTVP_H_
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#include <linux/version.h>
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#define BTTV_VERSION_CODE KERNEL_VERSION(0,9,15)
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#include <linux/types.h>
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#include <linux/wait.h>
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#include <linux/i2c.h>
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#include <linux/i2c-algo-bit.h>
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#include <linux/videodev.h>
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#include <linux/pci.h>
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#include <linux/input.h>
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#include <asm/scatterlist.h>
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#include <asm/io.h>
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#include <linux/device.h>
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#include <media/video-buf.h>
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#include <media/audiochip.h>
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#include <media/tuner.h>
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#include <media/tveeprom.h>
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#include <media/ir-common.h>
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#include "bt848.h"
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#include "bttv.h"
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#include "btcx-risc.h"
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#ifdef __KERNEL__
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#define FORMAT_FLAGS_DITHER 0x01
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#define FORMAT_FLAGS_PACKED 0x02
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#define FORMAT_FLAGS_PLANAR 0x04
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#define FORMAT_FLAGS_RAW 0x08
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#define FORMAT_FLAGS_CrCb 0x10
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#define RISC_SLOT_O_VBI 4
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#define RISC_SLOT_O_FIELD 6
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#define RISC_SLOT_E_VBI 10
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#define RISC_SLOT_E_FIELD 12
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#define RISC_SLOT_LOOP 14
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#define RESOURCE_OVERLAY 1
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#define RESOURCE_VIDEO 2
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#define RESOURCE_VBI 4
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#define RAW_LINES 640
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#define RAW_BPL 1024
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#define UNSET (-1U)
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/* ---------------------------------------------------------- */
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struct bttv_tvnorm {
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int v4l2_id;
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char *name;
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u32 Fsc;
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u16 swidth, sheight; /* scaled standard width, height */
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u16 totalwidth;
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u8 adelay, bdelay, iform;
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u32 scaledtwidth;
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u16 hdelayx1, hactivex1;
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u16 vdelay;
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u8 vbipack;
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u16 vtotal;
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int sram;
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};
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extern const struct bttv_tvnorm bttv_tvnorms[];
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struct bttv_format {
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char *name;
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int palette; /* video4linux 1 */
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int fourcc; /* video4linux 2 */
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int btformat; /* BT848_COLOR_FMT_* */
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int btswap; /* BT848_COLOR_CTL_* */
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int depth; /* bit/pixel */
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int flags;
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int hshift,vshift; /* for planar modes */
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};
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/* ---------------------------------------------------------- */
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struct bttv_geometry {
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u8 vtc,crop,comb;
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u16 width,hscale,hdelay;
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u16 sheight,vscale,vdelay,vtotal;
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};
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struct bttv_buffer {
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/* common v4l buffer stuff -- must be first */
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struct videobuf_buffer vb;
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/* bttv specific */
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const struct bttv_format *fmt;
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int tvnorm;
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int btformat;
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int btswap;
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struct bttv_geometry geo;
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struct btcx_riscmem top;
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struct btcx_riscmem bottom;
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};
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struct bttv_buffer_set {
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struct bttv_buffer *top; /* top field buffer */
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struct bttv_buffer *bottom; /* bottom field buffer */
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unsigned int top_irq;
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unsigned int frame_irq;
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};
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struct bttv_overlay {
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int tvnorm;
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struct v4l2_rect w;
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enum v4l2_field field;
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struct v4l2_clip *clips;
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int nclips;
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int setup_ok;
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};
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struct bttv_fh {
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struct bttv *btv;
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int resources;
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#ifdef VIDIOC_G_PRIORITY
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enum v4l2_priority prio;
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#endif
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enum v4l2_buf_type type;
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/* video capture */
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struct videobuf_queue cap;
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const struct bttv_format *fmt;
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int width;
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int height;
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/* current settings */
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const struct bttv_format *ovfmt;
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struct bttv_overlay ov;
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/* video overlay */
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struct videobuf_queue vbi;
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int lines;
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};
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/* ---------------------------------------------------------- */
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/* bttv-risc.c */
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/* risc code generators - capture */
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int bttv_risc_packed(struct bttv *btv, struct btcx_riscmem *risc,
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struct scatterlist *sglist,
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unsigned int offset, unsigned int bpl,
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unsigned int pitch, unsigned int lines);
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/* control dma register + risc main loop */
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void bttv_set_dma(struct bttv *btv, int override);
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int bttv_risc_init_main(struct bttv *btv);
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int bttv_risc_hook(struct bttv *btv, int slot, struct btcx_riscmem *risc,
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int irqflags);
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/* capture buffer handling */
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int bttv_buffer_risc(struct bttv *btv, struct bttv_buffer *buf);
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int bttv_buffer_activate_video(struct bttv *btv,
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struct bttv_buffer_set *set);
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int bttv_buffer_activate_vbi(struct bttv *btv,
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struct bttv_buffer *vbi);
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void bttv_dma_free(struct bttv *btv, struct bttv_buffer *buf);
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/* overlay handling */
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int bttv_overlay_risc(struct bttv *btv, struct bttv_overlay *ov,
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const struct bttv_format *fmt,
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struct bttv_buffer *buf);
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/* ---------------------------------------------------------- */
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/* bttv-vbi.c */
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void bttv_vbi_try_fmt(struct bttv_fh *fh, struct v4l2_format *f);
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void bttv_vbi_get_fmt(struct bttv_fh *fh, struct v4l2_format *f);
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void bttv_vbi_setlines(struct bttv_fh *fh, struct bttv *btv, int lines);
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extern struct videobuf_queue_ops bttv_vbi_qops;
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/* ---------------------------------------------------------- */
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/* bttv-gpio.c */
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extern struct bus_type bttv_sub_bus_type;
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int bttv_sub_add_device(struct bttv_core *core, char *name);
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int bttv_sub_del_devices(struct bttv_core *core);
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void bttv_gpio_irq(struct bttv_core *core);
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/* ---------------------------------------------------------- */
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/* bttv-driver.c */
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/* insmod options */
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extern unsigned int bttv_verbose;
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extern unsigned int bttv_debug;
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extern unsigned int bttv_gpio;
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extern void bttv_gpio_tracking(struct bttv *btv, char *comment);
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extern int init_bttv_i2c(struct bttv *btv);
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extern int fini_bttv_i2c(struct bttv *btv);
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#define vprintk if (bttv_verbose) printk
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#define dprintk if (bttv_debug >= 1) printk
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#define d2printk if (bttv_debug >= 2) printk
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/* our devices */
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#define BTTV_MAX 16
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extern unsigned int bttv_num;
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#define BTTV_MAX_FBUF 0x208000
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#define VBIBUF_SIZE (2048*VBI_MAXLINES*2)
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#define BTTV_TIMEOUT (HZ/2) /* 0.5 seconds */
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#define BTTV_FREE_IDLE (HZ) /* one second */
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struct bttv_pll_info {
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unsigned int pll_ifreq; /* PLL input frequency */
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unsigned int pll_ofreq; /* PLL output frequency */
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unsigned int pll_crystal; /* Crystal used for input */
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unsigned int pll_current; /* Currently programmed ofreq */
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};
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/* for gpio-connected remote control */
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struct bttv_input {
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struct input_dev dev;
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struct ir_input_state ir;
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char name[32];
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char phys[32];
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u32 mask_keycode;
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u32 mask_keydown;
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};
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struct bttv_suspend_state {
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u32 gpio_enable;
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u32 gpio_data;
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int disabled;
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int loop_irq;
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struct bttv_buffer_set video;
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struct bttv_buffer *vbi;
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};
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struct bttv {
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struct bttv_core c;
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/* pci device config */
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unsigned short id;
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unsigned char revision;
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unsigned char __iomem *bt848_mmio; /* pointer to mmio */
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/* card configuration info */
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unsigned int cardid; /* pci subsystem id (bt878 based ones) */
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unsigned int tuner_type; /* tuner chip type */
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unsigned int pinnacle_id;
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unsigned int svhs;
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struct bttv_pll_info pll;
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int triton1;
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int gpioirq;
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int use_i2c_hw;
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/* old gpio interface */
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wait_queue_head_t gpioq;
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int shutdown;
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void (*audio_hook)(struct bttv *btv, struct video_audio *v, int set);
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/* new gpio interface */
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spinlock_t gpio_lock;
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/* i2c layer */
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struct i2c_algo_bit_data i2c_algo;
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struct i2c_client i2c_client;
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int i2c_state, i2c_rc;
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int i2c_done;
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wait_queue_head_t i2c_queue;
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/* video4linux (1) */
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struct video_device *video_dev;
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struct video_device *radio_dev;
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struct video_device *vbi_dev;
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/* infrared remote */
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int has_remote;
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struct bttv_input *remote;
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/* locking */
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spinlock_t s_lock;
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struct semaphore lock;
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int resources;
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struct semaphore reslock;
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#ifdef VIDIOC_G_PRIORITY
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struct v4l2_prio_state prio;
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#endif
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/* video state */
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unsigned int input;
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unsigned int audio;
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unsigned long freq;
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int tvnorm,hue,contrast,bright,saturation;
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struct v4l2_framebuffer fbuf;
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unsigned int field_count;
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/* various options */
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int opt_combfilter;
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int opt_lumafilter;
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int opt_automute;
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int opt_chroma_agc;
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int opt_adc_crush;
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int opt_vcr_hack;
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int opt_whitecrush_upper;
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int opt_whitecrush_lower;
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/* radio data/state */
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int has_radio;
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int radio_user;
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/* miro/pinnacle + Aimslab VHX
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philips matchbox (tea5757 radio tuner) support */
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int has_matchbox;
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int mbox_we;
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int mbox_data;
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int mbox_clk;
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int mbox_most;
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int mbox_mask;
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/* ISA stuff (Terratec Active Radio Upgrade) */
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int mbox_ior;
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int mbox_iow;
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int mbox_csel;
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/* risc memory management data
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- must aquire s_lock before changing these
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- only the irq handler is supported to touch top + bottom + vcurr */
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struct btcx_riscmem main;
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struct bttv_buffer *screen; /* overlay */
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struct list_head capture; /* video capture queue */
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struct list_head vcapture; /* vbi capture queue */
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struct bttv_buffer_set curr; /* active buffers */
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struct bttv_buffer *cvbi; /* active vbi buffer */
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int loop_irq;
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int new_input;
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unsigned long cap_ctl;
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unsigned long dma_on;
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struct timer_list timeout;
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struct bttv_suspend_state state;
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/* stats */
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unsigned int errors;
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unsigned int framedrop;
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unsigned int irq_total;
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unsigned int irq_me;
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unsigned int users;
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struct bttv_fh init;
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};
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extern struct bttv bttvs[BTTV_MAX];
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/* private ioctls */
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#define BTTV_VERSION _IOR('v' , BASE_VIDIOCPRIVATE+6, int)
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#define BTTV_VBISIZE _IOR('v' , BASE_VIDIOCPRIVATE+8, int)
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#endif
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#define btwrite(dat,adr) writel((dat), btv->bt848_mmio+(adr))
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#define btread(adr) readl(btv->bt848_mmio+(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 /* _BTTVP_H_ */
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/*
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* Local variables:
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||
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* c-basic-offset: 8
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* End:
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*/
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