280 lines
9.0 KiB
C
280 lines
9.0 KiB
C
/*
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zr36120.h - Zoran 36120/36125 based framegrabbers
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Copyright (C) 1998-1999 Pauline Middelink (middelin@polyware.nl)
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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 _ZR36120_H
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#define _ZR36120_H
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#ifdef __KERNEL__
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#include <linux/types.h>
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#include <linux/wait.h>
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#include <linux/i2c-old.h>
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#include <linux/videodev.h>
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#include <asm/io.h>
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/*
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* Debug macro's, place an x behind the ) for actual debug-compilation
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* E.g. #define DEBUG(x...) x
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*/
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#define DEBUG(x...) /* Debug driver */
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#define IDEBUG(x...) /* Debug interrupt handler */
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#define PDEBUG 0 /* Debug PCI writes */
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/* defined in zr36120_i2c */
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extern struct i2c_bus zoran_i2c_bus_template;
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#define ZORAN_MAX_FBUFFERS 2
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#define ZORAN_MAX_FBUFFER (768*576*2)
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#define ZORAN_MAX_FBUFSIZE (ZORAN_MAX_FBUFFERS*ZORAN_MAX_FBUFFER)
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#define ZORAN_VBI_BUFFERS 2
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#define ZORAN_VBI_BUFSIZE (22*1024*2)
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struct tvcard {
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char* name; /* name of the cardtype */
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int video_inputs; /* number of channels defined in video_mux */
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int audio_inputs; /* number of channels defined in audio_mux */
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__u32 swapi2c:1, /* need to swap i2c wires SDA/SCL? */
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usegirq1:1, /* VSYNC at GIRQ1 instead of GIRQ0? */
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vsync_pos:1, /* positive VSYNC signal? */
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hsync_pos:1, /* positive HSYNC signal? */
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gpdir:8, /* General Purpose Direction register */
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gpval:8; /* General Purpose Value register */
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int video_mux[6]; /* mapping channel number to physical input */
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#define IS_TUNER 0x80
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#define IS_SVHS 0x40
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#define CHANNEL_MASK 0x3F
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int audio_mux[6]; /* mapping channel number to physical input */
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};
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#define TUNER(x) ((x)|IS_TUNER)
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#define SVHS(x) ((x)|IS_SVHS)
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struct vidinfo {
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struct vidinfo* next; /* next active buffer */
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uint kindof;
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#define FBUFFER_OVERLAY 0
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#define FBUFFER_GRAB 1
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#define FBUFFER_VBI 2
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uint status;
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#define FBUFFER_FREE 0
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#define FBUFFER_BUSY 1
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#define FBUFFER_DONE 2
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ulong fieldnr; /* # of field, not framer! */
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uint x,y;
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int w,h; /* w,h can be negative! */
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uint format; /* index in palette2fmt[] */
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uint bpp; /* lookup from palette2fmt[] */
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uint bpl; /* calc: width * bpp */
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ulong busadr; /* bus addr for DMA engine */
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char* memadr; /* kernel addr for making copies */
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ulong* overlay; /* kernel addr of overlay mask */
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};
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struct zoran
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{
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struct video_device video_dev;
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#define CARD_DEBUG KERN_DEBUG "%s(%lu): "
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#define CARD_INFO KERN_INFO "%s(%lu): "
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#define CARD_ERR KERN_ERR "%s(%lu): "
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#define CARD ztv->video_dev.name,ztv->fieldnr
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/* zoran chip specific details */
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struct i2c_bus i2c; /* i2c registration data */
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struct pci_dev* dev; /* ptr to PCI device */
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ulong zoran_adr; /* bus address of IO memory */
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char* zoran_mem; /* kernel address of IO memory */
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struct tvcard* card; /* the cardtype */
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uint norm; /* 0=PAL, 1=NTSC, 2=SECAM */
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uint tuner_freq; /* Current freq in kHz */
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struct video_picture picture; /* Current picture params */
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/* videocard details */
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uint swidth; /* screen width */
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uint sheight; /* screen height */
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uint depth; /* depth in bits */
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/* State details */
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char* fbuffer; /* framebuffers for mmap */
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struct vidinfo overinfo; /* overlay data */
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struct vidinfo grabinfo[ZORAN_MAX_FBUFFERS]; /* grabbing data*/
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wait_queue_head_t grabq; /* grabbers queue */
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/* VBI details */
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struct video_device vbi_dev;
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struct vidinfo readinfo[2]; /* VBI data - flip buffers */
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wait_queue_head_t vbiq; /* vbi queue */
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/* maintenance data */
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int have_decoder; /* did we detect a mux? */
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int have_tuner; /* did we detect a tuner? */
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int users; /* howmany video/vbi open? */
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int tuner_type; /* tuner type, when found */
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int running; /* are we rolling? */
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rwlock_t lock;
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long state; /* what is requested of us? */
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#define STATE_OVERLAY 0
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#define STATE_VBI 1
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struct vidinfo* workqueue; /* buffers to grab, head is active */
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ulong fieldnr; /* #field, ticked every VSYNC */
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ulong lastfieldnr; /* #field, ticked every GRAB */
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int vidInterlace; /* calculated */
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int vidXshift; /* calculated */
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uint vidWidth; /* calculated */
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uint vidHeight; /* calculated */
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};
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#define zrwrite(dat,adr) writel((dat),(char *) (ztv->zoran_mem+(adr)))
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#define zrread(adr) readl(ztv->zoran_mem+(adr))
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#if PDEBUG == 0
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#define zrand(dat,adr) zrwrite((dat) & zrread(adr), adr)
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#define zror(dat,adr) zrwrite((dat) | zrread(adr), adr)
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#define zraor(dat,mask,adr) zrwrite( ((dat)&~(mask)) | ((mask)&zrread(adr)), adr)
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#else
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#define zrand(dat, adr) \
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do { \
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ulong data = (dat) & zrread((adr)); \
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zrwrite(data, (adr)); \
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if (0 != (~(dat) & zrread((adr)))) \
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printk(KERN_DEBUG "zoran: zrand at %d(%d) detected set bits(%x)\n", __LINE__, (adr), (dat)); \
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} while(0)
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#define zror(dat, adr) \
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do { \
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ulong data = (dat) | zrread((adr)); \
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zrwrite(data, (adr)); \
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if ((dat) != ((dat) & zrread(adr))) \
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printk(KERN_DEBUG "zoran: zror at %d(%d) detected unset bits(%x)\n", __LINE__, (adr), (dat)); \
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} while(0)
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#define zraor(dat, mask, adr) \
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do { \
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ulong data; \
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if ((dat) & (mask)) \
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printk(KERN_DEBUG "zoran: zraor at %d(%d) detected bits(%x:%x)\n", __LINE__, (adr), (dat), (mask)); \
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data = ((dat)&~(mask)) | ((mask) & zrread((adr))); \
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zrwrite(data,(adr)); \
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if ( (dat) != (~(mask) & zrread((adr))) ) \
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printk(KERN_DEBUG "zoran: zraor at %d(%d) could not set all bits(%x:%x)\n", __LINE__, (adr), (dat), (mask)); \
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} while(0)
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#endif
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#endif
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/* zoran PCI address space */
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#define ZORAN_VFEH 0x000 /* Video Front End Horizontal Conf. */
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#define ZORAN_VFEH_HSPOL (1<<30)
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#define ZORAN_VFEH_HSTART (0x3FF<<10)
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#define ZORAN_VFEH_HEND (0x3FF<<0)
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#define ZORAN_VFEV 0x004 /* Video Front End Vertical Conf. */
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#define ZORAN_VFEV_VSPOL (1<<30)
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#define ZORAN_VFEV_VSTART (0x3FF<<10)
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#define ZORAN_VFEV_VEND (0x3FF<<0)
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#define ZORAN_VFEC 0x008 /* Video Front End Scaler and Pixel */
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#define ZORAN_VFEC_EXTFL (1<<26)
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#define ZORAN_VFEC_TOPFIELD (1<<25)
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#define ZORAN_VFEC_VCLKPOL (1<<24)
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#define ZORAN_VFEC_HFILTER (7<<21)
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#define ZORAN_VFEC_HFILTER_1 (0<<21) /* no lumi, 3-tap chromo */
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#define ZORAN_VFEC_HFILTER_2 (1<<21) /* 3-tap lumi, 3-tap chromo */
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#define ZORAN_VFEC_HFILTER_3 (2<<21) /* 4-tap lumi, 4-tap chromo */
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#define ZORAN_VFEC_HFILTER_4 (3<<21) /* 5-tap lumi, 4-tap chromo */
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#define ZORAN_VFEC_HFILTER_5 (4<<21) /* 4-tap lumi, 4-tap chromo */
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#define ZORAN_VFEC_DUPFLD (1<<20)
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#define ZORAN_VFEC_HORDCM (63<<14)
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#define ZORAN_VFEC_VERDCM (63<<8)
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#define ZORAN_VFEC_DISPMOD (1<<6)
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#define ZORAN_VFEC_RGB (3<<3)
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#define ZORAN_VFEC_RGB_YUV422 (0<<3)
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#define ZORAN_VFEC_RGB_RGB888 (1<<3)
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#define ZORAN_VFEC_RGB_RGB565 (2<<3)
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#define ZORAN_VFEC_RGB_RGB555 (3<<3)
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#define ZORAN_VFEC_ERRDIF (1<<2)
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#define ZORAN_VFEC_PACK24 (1<<1)
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#define ZORAN_VFEC_LE (1<<0)
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#define ZORAN_VTOP 0x00C /* Video Display "Top" */
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#define ZORAN_VBOT 0x010 /* Video Display "Bottom" */
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#define ZORAN_VSTR 0x014 /* Video Display Stride */
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#define ZORAN_VSTR_DISPSTRIDE (0xFFFF<<16)
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#define ZORAN_VSTR_VIDOVF (1<<8)
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#define ZORAN_VSTR_SNAPSHOT (1<<1)
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#define ZORAN_VSTR_GRAB (1<<0)
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#define ZORAN_VDC 0x018 /* Video Display Conf. */
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#define ZORAN_VDC_VIDEN (1<<31)
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#define ZORAN_VDC_MINPIX (0x1F<<25)
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#define ZORAN_VDC_TRICOM (1<<24)
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#define ZORAN_VDC_VIDWINHT (0x3FF<<12)
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#define ZORAN_VDC_VIDWINWID (0x3FF<<0)
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#define ZORAN_MTOP 0x01C /* Masking Map "Top" */
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#define ZORAN_MBOT 0x020 /* Masking Map "Bottom" */
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#define ZORAN_OCR 0x024 /* Overlay Control */
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#define ZORAN_OCR_OVLEN (1<<15)
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#define ZORAN_OCR_MASKSTRIDE (0xFF<<0)
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#define ZORAN_PCI 0x028 /* System, PCI and GPP Control */
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#define ZORAN_PCI_SOFTRESET (1<<24)
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#define ZORAN_PCI_WAITSTATE (3<<16)
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#define ZORAN_PCI_GENPURDIR (0xFF<<0)
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#define ZORAN_GUEST 0x02C /* GuestBus Control */
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#define ZORAN_CSOURCE 0x030 /* Code Source Address */
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#define ZORAN_CTRANS 0x034 /* Code Transfer Control */
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#define ZORAN_CMEM 0x038 /* Code Memory Pointer */
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#define ZORAN_ISR 0x03C /* Interrupt Status Register */
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#define ZORAN_ISR_CODE (1<<28)
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#define ZORAN_ISR_GIRQ0 (1<<29)
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#define ZORAN_ISR_GIRQ1 (1<<30)
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#define ZORAN_ICR 0x040 /* Interrupt Control Register */
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#define ZORAN_ICR_EN (1<<24)
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#define ZORAN_ICR_CODE (1<<28)
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#define ZORAN_ICR_GIRQ0 (1<<29)
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#define ZORAN_ICR_GIRQ1 (1<<30)
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#define ZORAN_I2C 0x044 /* I2C-Bus */
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#define ZORAN_I2C_SCL (1<<1)
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#define ZORAN_I2C_SDA (1<<0)
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#define ZORAN_POST 0x48 /* PostOffice */
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#define ZORAN_POST_PEN (1<<25)
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#define ZORAN_POST_TIME (1<<24)
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#define ZORAN_POST_DIR (1<<23)
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#define ZORAN_POST_GUESTID (3<<20)
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#define ZORAN_POST_GUEST (7<<16)
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#define ZORAN_POST_DATA (0xFF<<0)
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#endif
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