1/* 2 zr36120.h - Zoran 36120/36125 based framegrabbers 3 4 Copyright (C) 1998-1999 Pauline Middelink (middelin@polyware.nl) 5 6 This program is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 2 of the License, or 9 (at your option) any later version. 10 11 This program is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with this program; if not, write to the Free Software 18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 19*/ 20 21#ifndef _ZR36120_H 22#define _ZR36120_H 23 24#ifdef __KERNEL__ 25 26#include <linux/types.h> 27#include <linux/wait.h> 28 29#include <linux/i2c-old.h> 30#include <linux/videodev.h> 31 32#include <asm/io.h> 33 34/* 35 * Debug macro's, place an x behind the ) for actual debug-compilation 36 * E.g. #define DEBUG(x...) x 37 */ 38#define DEBUG(x...) /* Debug driver */ 39#define IDEBUG(x...) /* Debug interrupt handler */ 40#define PDEBUG 0 /* Debug PCI writes */ 41 42/* defined in zr36120_i2c */ 43extern struct i2c_bus zoran_i2c_bus_template; 44 45#define ZORAN_MAX_FBUFFERS 2 46#define ZORAN_MAX_FBUFFER (768*576*2) 47#define ZORAN_MAX_FBUFSIZE (ZORAN_MAX_FBUFFERS*ZORAN_MAX_FBUFFER) 48 49#define ZORAN_VBI_BUFFERS 2 50#define ZORAN_VBI_BUFSIZE (22*1024*2) 51 52struct tvcard { 53 char* name; /* name of the cardtype */ 54 int video_inputs; /* number of channels defined in video_mux */ 55 int audio_inputs; /* number of channels defined in audio_mux */ 56 __u32 swapi2c:1, /* need to swap i2c wires SDA/SCL? */ 57 usegirq1:1, /* VSYNC at GIRQ1 instead of GIRQ0? */ 58 vsync_pos:1, /* positive VSYNC signal? */ 59 hsync_pos:1, /* positive HSYNC signal? */ 60 gpdir:8, /* General Purpose Direction register */ 61 gpval:8; /* General Purpose Value register */ 62 int video_mux[6]; /* mapping channel number to physical input */ 63#define IS_TUNER 0x80 64#define IS_SVHS 0x40 65#define CHANNEL_MASK 0x3F 66 int audio_mux[6]; /* mapping channel number to physical input */ 67}; 68#define TUNER(x) ((x)|IS_TUNER) 69#define SVHS(x) ((x)|IS_SVHS) 70 71struct vidinfo { 72 struct vidinfo* next; /* next active buffer */ 73 uint kindof; 74#define FBUFFER_OVERLAY 0 75#define FBUFFER_GRAB 1 76#define FBUFFER_VBI 2 77 uint status; 78#define FBUFFER_FREE 0 79#define FBUFFER_BUSY 1 80#define FBUFFER_DONE 2 81 ulong fieldnr; /* # of field, not framer! */ 82 uint x,y; 83 int w,h; /* w,h can be negative! */ 84 uint format; /* index in palette2fmt[] */ 85 uint bpp; /* lookup from palette2fmt[] */ 86 uint bpl; /* calc: width * bpp */ 87 ulong busadr; /* bus addr for DMA engine */ 88 char* memadr; /* kernel addr for making copies */ 89 ulong* overlay; /* kernel addr of overlay mask */ 90}; 91 92struct zoran 93{ 94 struct video_device video_dev; 95#define CARD_DEBUG KERN_DEBUG "%s(%lu): " 96#define CARD_INFO KERN_INFO "%s(%lu): " 97#define CARD_ERR KERN_ERR "%s(%lu): " 98#define CARD ztv->video_dev.name,ztv->fieldnr 99 100 /* zoran chip specific details */ 101 struct i2c_bus i2c; /* i2c registration data */ 102 struct pci_dev* dev; /* ptr to PCI device */ 103 ulong zoran_adr; /* bus address of IO memory */ 104 char* zoran_mem; /* kernel address of IO memory */ 105 struct tvcard* card; /* the cardtype */ 106 uint norm; /* 0=PAL, 1=NTSC, 2=SECAM */ 107 uint tuner_freq; /* Current freq in kHz */ 108 struct video_picture picture; /* Current picture params */ 109 110 /* videocard details */ 111 uint swidth; /* screen width */ 112 uint sheight; /* screen height */ 113 uint depth; /* depth in bits */ 114 115 /* State details */ 116 char* fbuffer; /* framebuffers for mmap */ 117 struct vidinfo overinfo; /* overlay data */ 118 struct vidinfo grabinfo[ZORAN_MAX_FBUFFERS]; /* grabbing data*/ 119 wait_queue_head_t grabq; /* grabbers queue */ 120 121 /* VBI details */ 122 struct video_device vbi_dev; 123 struct vidinfo readinfo[2]; /* VBI data - flip buffers */ 124 wait_queue_head_t vbiq; /* vbi queue */ 125 126 /* maintenance data */ 127 int have_decoder; /* did we detect a mux? */ 128 int have_tuner; /* did we detect a tuner? */ 129 int users; /* howmany video/vbi open? */ 130 int tuner_type; /* tuner type, when found */ 131 int running; /* are we rolling? */ 132 rwlock_t lock; 133 long state; /* what is requested of us? */ 134#define STATE_OVERLAY 0 135#define STATE_VBI 1 136 struct vidinfo* workqueue; /* buffers to grab, head is active */ 137 ulong fieldnr; /* #field, ticked every VSYNC */ 138 ulong lastfieldnr; /* #field, ticked every GRAB */ 139 140 int vidInterlace; /* calculated */ 141 int vidXshift; /* calculated */ 142 uint vidWidth; /* calculated */ 143 uint vidHeight; /* calculated */ 144}; 145 146#define zrwrite(dat,adr) writel((dat),(char *) (ztv->zoran_mem+(adr))) 147#define zrread(adr) readl(ztv->zoran_mem+(adr)) 148 149#if PDEBUG == 0 150#define zrand(dat,adr) zrwrite((dat) & zrread(adr), adr) 151#define zror(dat,adr) zrwrite((dat) | zrread(adr), adr) 152#define zraor(dat,mask,adr) zrwrite( ((dat)&~(mask)) | ((mask)&zrread(adr)), adr) 153#else 154#define zrand(dat, adr) \ 155do { \ 156 ulong data = (dat) & zrread((adr)); \ 157 zrwrite(data, (adr)); \ 158 if (0 != (~(dat) & zrread((adr)))) \ 159 printk(KERN_DEBUG "zoran: zrand at %d(%d) detected set bits(%x)\n", __LINE__, (adr), (dat)); \ 160} while(0) 161 162#define zror(dat, adr) \ 163do { \ 164 ulong data = (dat) | zrread((adr)); \ 165 zrwrite(data, (adr)); \ 166 if ((dat) != ((dat) & zrread(adr))) \ 167 printk(KERN_DEBUG "zoran: zror at %d(%d) detected unset bits(%x)\n", __LINE__, (adr), (dat)); \ 168} while(0) 169 170#define zraor(dat, mask, adr) \ 171do { \ 172 ulong data; \ 173 if ((dat) & (mask)) \ 174 printk(KERN_DEBUG "zoran: zraor at %d(%d) detected bits(%x:%x)\n", __LINE__, (adr), (dat), (mask)); \ 175 data = ((dat)&~(mask)) | ((mask) & zrread((adr))); \ 176 zrwrite(data,(adr)); \ 177 if ( (dat) != (~(mask) & zrread((adr))) ) \ 178 printk(KERN_DEBUG "zoran: zraor at %d(%d) could not set all bits(%x:%x)\n", __LINE__, (adr), (dat), (mask)); \ 179} while(0) 180#endif 181 182#endif 183 184/* zoran PCI address space */ 185#define ZORAN_VFEH 0x000 /* Video Front End Horizontal Conf. */ 186#define ZORAN_VFEH_HSPOL (1<<30) 187#define ZORAN_VFEH_HSTART (0x3FF<<10) 188#define ZORAN_VFEH_HEND (0x3FF<<0) 189 190#define ZORAN_VFEV 0x004 /* Video Front End Vertical Conf. */ 191#define ZORAN_VFEV_VSPOL (1<<30) 192#define ZORAN_VFEV_VSTART (0x3FF<<10) 193#define ZORAN_VFEV_VEND (0x3FF<<0) 194 195#define ZORAN_VFEC 0x008 /* Video Front End Scaler and Pixel */ 196#define ZORAN_VFEC_EXTFL (1<<26) 197#define ZORAN_VFEC_TOPFIELD (1<<25) 198#define ZORAN_VFEC_VCLKPOL (1<<24) 199#define ZORAN_VFEC_HFILTER (7<<21) 200#define ZORAN_VFEC_HFILTER_1 (0<<21) /* no lumi, 3-tap chromo */ 201#define ZORAN_VFEC_HFILTER_2 (1<<21) /* 3-tap lumi, 3-tap chromo */ 202#define ZORAN_VFEC_HFILTER_3 (2<<21) /* 4-tap lumi, 4-tap chromo */ 203#define ZORAN_VFEC_HFILTER_4 (3<<21) /* 5-tap lumi, 4-tap chromo */ 204#define ZORAN_VFEC_HFILTER_5 (4<<21) /* 4-tap lumi, 4-tap chromo */ 205#define ZORAN_VFEC_DUPFLD (1<<20) 206#define ZORAN_VFEC_HORDCM (63<<14) 207#define ZORAN_VFEC_VERDCM (63<<8) 208#define ZORAN_VFEC_DISPMOD (1<<6) 209#define ZORAN_VFEC_RGB (3<<3) 210#define ZORAN_VFEC_RGB_YUV422 (0<<3) 211#define ZORAN_VFEC_RGB_RGB888 (1<<3) 212#define ZORAN_VFEC_RGB_RGB565 (2<<3) 213#define ZORAN_VFEC_RGB_RGB555 (3<<3) 214#define ZORAN_VFEC_ERRDIF (1<<2) 215#define ZORAN_VFEC_PACK24 (1<<1) 216#define ZORAN_VFEC_LE (1<<0) 217 218#define ZORAN_VTOP 0x00C /* Video Display "Top" */ 219 220#define ZORAN_VBOT 0x010 /* Video Display "Bottom" */ 221 222#define ZORAN_VSTR 0x014 /* Video Display Stride */ 223#define ZORAN_VSTR_DISPSTRIDE (0xFFFF<<16) 224#define ZORAN_VSTR_VIDOVF (1<<8) 225#define ZORAN_VSTR_SNAPSHOT (1<<1) 226#define ZORAN_VSTR_GRAB (1<<0) 227 228#define ZORAN_VDC 0x018 /* Video Display Conf. */ 229#define ZORAN_VDC_VIDEN (1<<31) 230#define ZORAN_VDC_MINPIX (0x1F<<25) 231#define ZORAN_VDC_TRICOM (1<<24) 232#define ZORAN_VDC_VIDWINHT (0x3FF<<12) 233#define ZORAN_VDC_VIDWINWID (0x3FF<<0) 234 235#define ZORAN_MTOP 0x01C /* Masking Map "Top" */ 236 237#define ZORAN_MBOT 0x020 /* Masking Map "Bottom" */ 238 239#define ZORAN_OCR 0x024 /* Overlay Control */ 240#define ZORAN_OCR_OVLEN (1<<15) 241#define ZORAN_OCR_MASKSTRIDE (0xFF<<0) 242 243#define ZORAN_PCI 0x028 /* System, PCI and GPP Control */ 244#define ZORAN_PCI_SOFTRESET (1<<24) 245#define ZORAN_PCI_WAITSTATE (3<<16) 246#define ZORAN_PCI_GENPURDIR (0xFF<<0) 247 248#define ZORAN_GUEST 0x02C /* GuestBus Control */ 249 250#define ZORAN_CSOURCE 0x030 /* Code Source Address */ 251 252#define ZORAN_CTRANS 0x034 /* Code Transfer Control */ 253 254#define ZORAN_CMEM 0x038 /* Code Memory Pointer */ 255 256#define ZORAN_ISR 0x03C /* Interrupt Status Register */ 257#define ZORAN_ISR_CODE (1<<28) 258#define ZORAN_ISR_GIRQ0 (1<<29) 259#define ZORAN_ISR_GIRQ1 (1<<30) 260 261#define ZORAN_ICR 0x040 /* Interrupt Control Register */ 262#define ZORAN_ICR_EN (1<<24) 263#define ZORAN_ICR_CODE (1<<28) 264#define ZORAN_ICR_GIRQ0 (1<<29) 265#define ZORAN_ICR_GIRQ1 (1<<30) 266 267#define ZORAN_I2C 0x044 /* I2C-Bus */ 268#define ZORAN_I2C_SCL (1<<1) 269#define ZORAN_I2C_SDA (1<<0) 270 271#define ZORAN_POST 0x48 /* PostOffice */ 272#define ZORAN_POST_PEN (1<<25) 273#define ZORAN_POST_TIME (1<<24) 274#define ZORAN_POST_DIR (1<<23) 275#define ZORAN_POST_GUESTID (3<<20) 276#define ZORAN_POST_GUEST (7<<16) 277#define ZORAN_POST_DATA (0xFF<<0) 278 279#endif 280