drivers/media/video/zr36120.h

   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 */
  43 extern 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
  52 struct 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
  71 struct 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
  92 struct 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) \
 155 do { \
 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) \
 163 do { \
 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) \
 171 do { \
 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