/* 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