zr36120.h
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上传日期:2013-02-24
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- /*
- zr36120.h - Zoran 36120/36125 based framegrabbers
- Copyright (C) 1998-1999 Pauline Middelink (middelin@polyware.nl)
- 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 _ZR36120_H
- #define _ZR36120_H
- #ifdef __KERNEL__
- #include <linux/types.h>
- #include <linux/wait.h>
- #include <linux/i2c-old.h>
- #include <linux/videodev.h>
- #include <asm/io.h>
- /*
- * Debug macro's, place an x behind the ) for actual debug-compilation
- * E.g. #define DEBUG(x...) x
- */
- #define DEBUG(x...) /* Debug driver */
- #define IDEBUG(x...) /* Debug interrupt handler */
- #define PDEBUG 0 /* Debug PCI writes */
- /* defined in zr36120_i2c */
- extern struct i2c_bus zoran_i2c_bus_template;
- #define ZORAN_MAX_FBUFFERS 2
- #define ZORAN_MAX_FBUFFER (768*576*2)
- #define ZORAN_MAX_FBUFSIZE (ZORAN_MAX_FBUFFERS*ZORAN_MAX_FBUFFER)
- #define ZORAN_VBI_BUFFERS 2
- #define ZORAN_VBI_BUFSIZE (22*1024*2)
- struct tvcard {
- char* name; /* name of the cardtype */
- int video_inputs; /* number of channels defined in video_mux */
- int audio_inputs; /* number of channels defined in audio_mux */
- __u32 swapi2c:1, /* need to swap i2c wires SDA/SCL? */
- usegirq1:1, /* VSYNC at GIRQ1 instead of GIRQ0? */
- vsync_pos:1, /* positive VSYNC signal? */
- hsync_pos:1, /* positive HSYNC signal? */
- gpdir:8, /* General Purpose Direction register */
- gpval:8; /* General Purpose Value register */
- int video_mux[6]; /* mapping channel number to physical input */
- #define IS_TUNER 0x80
- #define IS_SVHS 0x40
- #define CHANNEL_MASK 0x3F
- int audio_mux[6]; /* mapping channel number to physical input */
- };
- #define TUNER(x) ((x)|IS_TUNER)
- #define SVHS(x) ((x)|IS_SVHS)
- struct vidinfo {
- struct vidinfo* next; /* next active buffer */
- uint kindof;
- #define FBUFFER_OVERLAY 0
- #define FBUFFER_GRAB 1
- #define FBUFFER_VBI 2
- uint status;
- #define FBUFFER_FREE 0
- #define FBUFFER_BUSY 1
- #define FBUFFER_DONE 2
- ulong fieldnr; /* # of field, not framer! */
- uint x,y;
- int w,h; /* w,h can be negative! */
- uint format; /* index in palette2fmt[] */
- uint bpp; /* lookup from palette2fmt[] */
- uint bpl; /* calc: width * bpp */
- ulong busadr; /* bus addr for DMA engine */
- char* memadr; /* kernel addr for making copies */
- ulong* overlay; /* kernel addr of overlay mask */
- };
- struct zoran
- {
- struct video_device video_dev;
- #define CARD_DEBUG KERN_DEBUG "%s(%lu): "
- #define CARD_INFO KERN_INFO "%s(%lu): "
- #define CARD_ERR KERN_ERR "%s(%lu): "
- #define CARD ztv->video_dev.name,ztv->fieldnr
- /* zoran chip specific details */
- struct i2c_bus i2c; /* i2c registration data */
- struct pci_dev* dev; /* ptr to PCI device */
- ulong zoran_adr; /* bus address of IO memory */
- char* zoran_mem; /* kernel address of IO memory */
- struct tvcard* card; /* the cardtype */
- uint norm; /* 0=PAL, 1=NTSC, 2=SECAM */
- uint tuner_freq; /* Current freq in kHz */
- struct video_picture picture; /* Current picture params */
-
- /* videocard details */
- uint swidth; /* screen width */
- uint sheight; /* screen height */
- uint depth; /* depth in bits */
- /* State details */
- char* fbuffer; /* framebuffers for mmap */
- struct vidinfo overinfo; /* overlay data */
- struct vidinfo grabinfo[ZORAN_MAX_FBUFFERS]; /* grabbing data*/
- wait_queue_head_t grabq; /* grabbers queue */
- /* VBI details */
- struct video_device vbi_dev;
- struct vidinfo readinfo[2]; /* VBI data - flip buffers */
- wait_queue_head_t vbiq; /* vbi queue */
- /* maintenance data */
- int have_decoder; /* did we detect a mux? */
- int have_tuner; /* did we detect a tuner? */
- int users; /* howmany video/vbi open? */
- int tuner_type; /* tuner type, when found */
- int running; /* are we rolling? */
- rwlock_t lock;
- long state; /* what is requested of us? */
- #define STATE_OVERLAY 0
- #define STATE_VBI 1
- struct vidinfo* workqueue; /* buffers to grab, head is active */
- ulong fieldnr; /* #field, ticked every VSYNC */
- ulong lastfieldnr; /* #field, ticked every GRAB */
- int vidInterlace; /* calculated */
- int vidXshift; /* calculated */
- uint vidWidth; /* calculated */
- uint vidHeight; /* calculated */
- };
- #define zrwrite(dat,adr) writel((dat),(char *) (ztv->zoran_mem+(adr)))
- #define zrread(adr) readl(ztv->zoran_mem+(adr))
- #if PDEBUG == 0
- #define zrand(dat,adr) zrwrite((dat) & zrread(adr), adr)
- #define zror(dat,adr) zrwrite((dat) | zrread(adr), adr)
- #define zraor(dat,mask,adr) zrwrite( ((dat)&~(mask)) | ((mask)&zrread(adr)), adr)
- #else
- #define zrand(dat, adr)
- do {
- ulong data = (dat) & zrread((adr));
- zrwrite(data, (adr));
- if (0 != (~(dat) & zrread((adr))))
- printk(KERN_DEBUG "zoran: zrand at %d(%d) detected set bits(%x)n", __LINE__, (adr), (dat));
- } while(0)
- #define zror(dat, adr)
- do {
- ulong data = (dat) | zrread((adr));
- zrwrite(data, (adr));
- if ((dat) != ((dat) & zrread(adr)))
- printk(KERN_DEBUG "zoran: zror at %d(%d) detected unset bits(%x)n", __LINE__, (adr), (dat));
- } while(0)
- #define zraor(dat, mask, adr)
- do {
- ulong data;
- if ((dat) & (mask))
- printk(KERN_DEBUG "zoran: zraor at %d(%d) detected bits(%x:%x)n", __LINE__, (adr), (dat), (mask));
- data = ((dat)&~(mask)) | ((mask) & zrread((adr)));
- zrwrite(data,(adr));
- if ( (dat) != (~(mask) & zrread((adr))) )
- printk(KERN_DEBUG "zoran: zraor at %d(%d) could not set all bits(%x:%x)n", __LINE__, (adr), (dat), (mask));
- } while(0)
- #endif
- #endif
- /* zoran PCI address space */
- #define ZORAN_VFEH 0x000 /* Video Front End Horizontal Conf. */
- #define ZORAN_VFEH_HSPOL (1<<30)
- #define ZORAN_VFEH_HSTART (0x3FF<<10)
- #define ZORAN_VFEH_HEND (0x3FF<<0)
- #define ZORAN_VFEV 0x004 /* Video Front End Vertical Conf. */
- #define ZORAN_VFEV_VSPOL (1<<30)
- #define ZORAN_VFEV_VSTART (0x3FF<<10)
- #define ZORAN_VFEV_VEND (0x3FF<<0)
- #define ZORAN_VFEC 0x008 /* Video Front End Scaler and Pixel */
- #define ZORAN_VFEC_EXTFL (1<<26)
- #define ZORAN_VFEC_TOPFIELD (1<<25)
- #define ZORAN_VFEC_VCLKPOL (1<<24)
- #define ZORAN_VFEC_HFILTER (7<<21)
- #define ZORAN_VFEC_HFILTER_1 (0<<21) /* no lumi, 3-tap chromo */
- #define ZORAN_VFEC_HFILTER_2 (1<<21) /* 3-tap lumi, 3-tap chromo */
- #define ZORAN_VFEC_HFILTER_3 (2<<21) /* 4-tap lumi, 4-tap chromo */
- #define ZORAN_VFEC_HFILTER_4 (3<<21) /* 5-tap lumi, 4-tap chromo */
- #define ZORAN_VFEC_HFILTER_5 (4<<21) /* 4-tap lumi, 4-tap chromo */
- #define ZORAN_VFEC_DUPFLD (1<<20)
- #define ZORAN_VFEC_HORDCM (63<<14)
- #define ZORAN_VFEC_VERDCM (63<<8)
- #define ZORAN_VFEC_DISPMOD (1<<6)
- #define ZORAN_VFEC_RGB (3<<3)
- #define ZORAN_VFEC_RGB_YUV422 (0<<3)
- #define ZORAN_VFEC_RGB_RGB888 (1<<3)
- #define ZORAN_VFEC_RGB_RGB565 (2<<3)
- #define ZORAN_VFEC_RGB_RGB555 (3<<3)
- #define ZORAN_VFEC_ERRDIF (1<<2)
- #define ZORAN_VFEC_PACK24 (1<<1)
- #define ZORAN_VFEC_LE (1<<0)
- #define ZORAN_VTOP 0x00C /* Video Display "Top" */
- #define ZORAN_VBOT 0x010 /* Video Display "Bottom" */
- #define ZORAN_VSTR 0x014 /* Video Display Stride */
- #define ZORAN_VSTR_DISPSTRIDE (0xFFFF<<16)
- #define ZORAN_VSTR_VIDOVF (1<<8)
- #define ZORAN_VSTR_SNAPSHOT (1<<1)
- #define ZORAN_VSTR_GRAB (1<<0)
- #define ZORAN_VDC 0x018 /* Video Display Conf. */
- #define ZORAN_VDC_VIDEN (1<<31)
- #define ZORAN_VDC_MINPIX (0x1F<<25)
- #define ZORAN_VDC_TRICOM (1<<24)
- #define ZORAN_VDC_VIDWINHT (0x3FF<<12)
- #define ZORAN_VDC_VIDWINWID (0x3FF<<0)
- #define ZORAN_MTOP 0x01C /* Masking Map "Top" */
- #define ZORAN_MBOT 0x020 /* Masking Map "Bottom" */
- #define ZORAN_OCR 0x024 /* Overlay Control */
- #define ZORAN_OCR_OVLEN (1<<15)
- #define ZORAN_OCR_MASKSTRIDE (0xFF<<0)
- #define ZORAN_PCI 0x028 /* System, PCI and GPP Control */
- #define ZORAN_PCI_SOFTRESET (1<<24)
- #define ZORAN_PCI_WAITSTATE (3<<16)
- #define ZORAN_PCI_GENPURDIR (0xFF<<0)
- #define ZORAN_GUEST 0x02C /* GuestBus Control */
- #define ZORAN_CSOURCE 0x030 /* Code Source Address */
- #define ZORAN_CTRANS 0x034 /* Code Transfer Control */
- #define ZORAN_CMEM 0x038 /* Code Memory Pointer */
- #define ZORAN_ISR 0x03C /* Interrupt Status Register */
- #define ZORAN_ISR_CODE (1<<28)
- #define ZORAN_ISR_GIRQ0 (1<<29)
- #define ZORAN_ISR_GIRQ1 (1<<30)
- #define ZORAN_ICR 0x040 /* Interrupt Control Register */
- #define ZORAN_ICR_EN (1<<24)
- #define ZORAN_ICR_CODE (1<<28)
- #define ZORAN_ICR_GIRQ0 (1<<29)
- #define ZORAN_ICR_GIRQ1 (1<<30)
- #define ZORAN_I2C 0x044 /* I2C-Bus */
- #define ZORAN_I2C_SCL (1<<1)
- #define ZORAN_I2C_SDA (1<<0)
- #define ZORAN_POST 0x48 /* PostOffice */
- #define ZORAN_POST_PEN (1<<25)
- #define ZORAN_POST_TIME (1<<24)
- #define ZORAN_POST_DIR (1<<23)
- #define ZORAN_POST_GUESTID (3<<20)
- #define ZORAN_POST_GUEST (7<<16)
- #define ZORAN_POST_DATA (0xFF<<0)
- #endif