drivers/media/video/zoran/zoran_card.c

   1 /*
   2  * Zoran zr36057/zr36067 PCI controller driver, for the
   3  * Pinnacle/Miro DC10/DC10+/DC30/DC30+, Iomega Buz, Linux
   4  * Media Labs LML33/LML33R10.
   5  *
   6  * This part handles card-specific data and detection
   7  *
   8  * Copyright (C) 2000 Serguei Miridonov <mirsev@cicese.mx>
   9  *
  10  * Currently maintained by:
  11  *   Ronald Bultje    <rbultje@ronald.bitfreak.net>
  12  *   Laurent Pinchart <laurent.pinchart@skynet.be>
  13  *   Mailinglist      <mjpeg-users@lists.sf.net>
  14  *
  15  * This program is free software; you can redistribute it and/or modify
  16  * it under the terms of the GNU General Public License as published by
  17  * the Free Software Foundation; either version 2 of the License, or
  18  * (at your option) any later version.
  19  *
  20  * This program is distributed in the hope that it will be useful,
  21  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  22  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23  * GNU General Public License for more details.
  24  *
  25  * You should have received a copy of the GNU General Public License
  26  * along with this program; if not, write to the Free Software
  27  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  28  */
  29
  30 #include <linux/delay.h>
  31
  32 #include <linux/types.h>
  33 #include <linux/kernel.h>
  34 #include <linux/module.h>
  35 #include <linux/init.h>
  36 #include <linux/vmalloc.h>
  37 #include <linux/slab.h>
  38
  39 #include <linux/proc_fs.h>
  40 #include <linux/i2c.h>
  41 #include <linux/i2c-algo-bit.h>
  42 #include <linux/videodev2.h>
  43 #include <linux/spinlock.h>
  44 #include <linux/sem.h>
  45 #include <linux/kmod.h>
  46 #include <linux/wait.h>
  47
  48 #include <linux/pci.h>
  49 #include <linux/interrupt.h>
  50 #include <linux/mutex.h>
  51 #include <linux/io.h>
  52 #include <media/v4l2-common.h>
  53 #include <media/bt819.h>
  54
  55 #include "videocodec.h"
  56 #include "zoran.h"
  57 #include "zoran_card.h"
  58 #include "zoran_device.h"
  59 #include "zoran_procfs.h"
  60
  61 extern const struct zoran_format zoran_formats[];
  62
  63 static int card[BUZ_MAX] = { [0 ... (BUZ_MAX-1)] = -1 };
  64 module_param_array(card, int, NULL, 0444);
  65 MODULE_PARM_DESC(card, "Card type");
  66
  67 /*
  68    The video mem address of the video card.
  69    The driver has a little database for some videocards
  70    to determine it from there. If your video card is not in there
  71    you have either to give it to the driver as a parameter
  72    or set in in a VIDIOCSFBUF ioctl
  73  */
  74
  75 static unsigned long vidmem;    /* default = 0 - Video memory base address */
  76 module_param(vidmem, ulong, 0444);
  77 MODULE_PARM_DESC(vidmem, "Default video memory base address");
  78
  79 /*
  80    Default input and video norm at startup of the driver.
  81 */
  82
  83 static unsigned int default_input;      /* default 0 = Composite, 1 = S-Video */
  84 module_param(default_input, uint, 0444);
  85 MODULE_PARM_DESC(default_input,
  86                  "Default input (0=Composite, 1=S-Video, 2=Internal)");
  87
  88 static int default_mux = 1;     /* 6 Eyes input selection */
  89 module_param(default_mux, int, 0644);
  90 MODULE_PARM_DESC(default_mux,
  91                  "Default 6 Eyes mux setting (Input selection)");
  92
  93 static int default_norm;        /* default 0 = PAL, 1 = NTSC 2 = SECAM */
  94 module_param(default_norm, int, 0444);
  95 MODULE_PARM_DESC(default_norm, "Default norm (0=PAL, 1=NTSC, 2=SECAM)");
  96
  97 /* /dev/videoN, -1 for autodetect */
  98 static int video_nr[BUZ_MAX] = { [0 ... (BUZ_MAX-1)] = -1 };
  99 module_param_array(video_nr, int, NULL, 0444);
 100 MODULE_PARM_DESC(video_nr, "Video device number (-1=Auto)");
 101
 102 int v4l_nbufs = 4;
 103 int v4l_bufsize = 864;          /* Everybody should be able to work with this setting */
 104 module_param(v4l_nbufs, int, 0644);
 105 MODULE_PARM_DESC(v4l_nbufs, "Maximum number of V4L buffers to use");
 106 module_param(v4l_bufsize, int, 0644);
 107 MODULE_PARM_DESC(v4l_bufsize, "Maximum size per V4L buffer (in kB)");
 108
 109 int jpg_nbufs = 32;
 110 int jpg_bufsize = 512;          /* max size for 100% quality full-PAL frame */
 111 module_param(jpg_nbufs, int, 0644);
 112 MODULE_PARM_DESC(jpg_nbufs, "Maximum number of JPG buffers to use");
 113 module_param(jpg_bufsize, int, 0644);
 114 MODULE_PARM_DESC(jpg_bufsize, "Maximum size per JPG buffer (in kB)");
 115
 116 int pass_through = 0;           /* 1=Pass through TV signal when device is not used */
 117                                 /* 0=Show color bar when device is not used (LML33: only if lml33dpath=1) */
 118 module_param(pass_through, int, 0644);
 119 MODULE_PARM_DESC(pass_through,
 120                  "Pass TV signal through to TV-out when idling");
 121
 122 int zr36067_debug = 1;
 123 module_param_named(debug, zr36067_debug, int, 0644);
 124 MODULE_PARM_DESC(debug, "Debug level (0-5)");
 125
 126 #define ZORAN_VERSION "0.10.1"
 127
 128 MODULE_DESCRIPTION("Zoran-36057/36067 JPEG codec driver");
 129 MODULE_AUTHOR("Serguei Miridonov");
 130 MODULE_LICENSE("GPL");
 131 MODULE_VERSION(ZORAN_VERSION);
 132
 133 #define ZR_DEVICE(subven, subdev, data) { \
 134         .vendor = PCI_VENDOR_ID_ZORAN, .device = PCI_DEVICE_ID_ZORAN_36057, \
 135         .subvendor = (subven), .subdevice = (subdev), .driver_data = (data) }
 136
 137 static struct pci_device_id zr36067_pci_tbl[] = {
 138         ZR_DEVICE(PCI_VENDOR_ID_MIRO, PCI_DEVICE_ID_MIRO_DC10PLUS, DC10plus),
 139         ZR_DEVICE(PCI_VENDOR_ID_MIRO, PCI_DEVICE_ID_MIRO_DC30PLUS, DC30plus),
 140         ZR_DEVICE(PCI_VENDOR_ID_ELECTRONICDESIGNGMBH, PCI_DEVICE_ID_LML_33R10, LML33R10),
 141         ZR_DEVICE(PCI_VENDOR_ID_IOMEGA, PCI_DEVICE_ID_IOMEGA_BUZ, BUZ),
 142         ZR_DEVICE(PCI_ANY_ID, PCI_ANY_ID, NUM_CARDS),
 143         {0}
 144 };
 145 MODULE_DEVICE_TABLE(pci, zr36067_pci_tbl);
 146
 147 static unsigned int zoran_num;          /* number of cards found */
 148
 149 /* videocodec bus functions ZR36060 */
 150 static u32
 151 zr36060_read (struct videocodec *codec,
 152               u16                reg)
 153 {
 154         struct zoran *zr = (struct zoran *) codec->master_data->data;
 155         __u32 data;
 156
 157         if (post_office_wait(zr)
 158             || post_office_write(zr, 0, 1, reg >> 8)
 159             || post_office_write(zr, 0, 2, reg & 0xff)) {
 160                 return -1;
 161         }
 162
 163         data = post_office_read(zr, 0, 3) & 0xff;
 164         return data;
 165 }
 166
 167 static void
 168 zr36060_write (struct videocodec *codec,
 169                u16                reg,
 170                u32                val)
 171 {
 172         struct zoran *zr = (struct zoran *) codec->master_data->data;
 173
 174         if (post_office_wait(zr)
 175             || post_office_write(zr, 0, 1, reg >> 8)
 176             || post_office_write(zr, 0, 2, reg & 0xff)) {
 177                 return;
 178         }
 179
 180         post_office_write(zr, 0, 3, val & 0xff);
 181 }
 182
 183 /* videocodec bus functions ZR36050 */
 184 static u32
 185 zr36050_read (struct videocodec *codec,
 186               u16                reg)
 187 {
 188         struct zoran *zr = (struct zoran *) codec->master_data->data;
 189         __u32 data;
 190
 191         if (post_office_wait(zr)
 192             || post_office_write(zr, 1, 0, reg >> 2)) { // reg. HIGHBYTES
 193                 return -1;
 194         }
 195
 196         data = post_office_read(zr, 0, reg & 0x03) & 0xff;      // reg. LOWBYTES + read
 197         return data;
 198 }
 199
 200 static void
 201 zr36050_write (struct videocodec *codec,
 202                u16                reg,
 203                u32                val)
 204 {
 205         struct zoran *zr = (struct zoran *) codec->master_data->data;
 206
 207         if (post_office_wait(zr)
 208             || post_office_write(zr, 1, 0, reg >> 2)) { // reg. HIGHBYTES
 209                 return;
 210         }
 211
 212         post_office_write(zr, 0, reg & 0x03, val & 0xff);       // reg. LOWBYTES + wr. data
 213 }
 214
 215 /* videocodec bus functions ZR36016 */
 216 static u32
 217 zr36016_read (struct videocodec *codec,
 218               u16                reg)
 219 {
 220         struct zoran *zr = (struct zoran *) codec->master_data->data;
 221         __u32 data;
 222
 223         if (post_office_wait(zr)) {
 224                 return -1;
 225         }
 226
 227         data = post_office_read(zr, 2, reg & 0x03) & 0xff;      // read
 228         return data;
 229 }
 230
 231 /* hack for in zoran_device.c */
 232 void
 233 zr36016_write (struct videocodec *codec,
 234                u16                reg,
 235                u32                val)
 236 {
 237         struct zoran *zr = (struct zoran *) codec->master_data->data;
 238
 239         if (post_office_wait(zr)) {
 240                 return;
 241         }
 242
 243         post_office_write(zr, 2, reg & 0x03, val & 0x0ff);      // wr. data
 244 }
 245
 246 /*
 247  * Board specific information
 248  */
 249
 250 static void
 251 dc10_init (struct zoran *zr)
 252 {
 253         dprintk(3, KERN_DEBUG "%s: %s\n", ZR_DEVNAME(zr), __func__);
 254
 255         /* Pixel clock selection */
 256         GPIO(zr, 4, 0);
 257         GPIO(zr, 5, 1);
 258         /* Enable the video bus sync signals */
 259         GPIO(zr, 7, 0);
 260 }
 261
 262 static void
 263 dc10plus_init (struct zoran *zr)
 264 {
 265         dprintk(3, KERN_DEBUG "%s: %s\n", ZR_DEVNAME(zr), __func__);
 266 }
 267
 268 static void
 269 buz_init (struct zoran *zr)
 270 {
 271         dprintk(3, KERN_DEBUG "%s: %s\n", ZR_DEVNAME(zr), __func__);
 272
 273         /* some stuff from Iomega */
 274         pci_write_config_dword(zr->pci_dev, 0xfc, 0x90680f15);
 275         pci_write_config_dword(zr->pci_dev, 0x0c, 0x00012020);
 276         pci_write_config_dword(zr->pci_dev, 0xe8, 0xc0200000);
 277 }
 278
 279 static void
 280 lml33_init (struct zoran *zr)
 281 {
 282         dprintk(3, KERN_DEBUG "%s: %s\n", ZR_DEVNAME(zr), __func__);
 283
 284         GPIO(zr, 2, 1);         // Set Composite input/output
 285 }
 286
 287 static void
 288 avs6eyes_init (struct zoran *zr)
 289 {
 290         // AverMedia 6-Eyes original driver by Christer Weinigel
 291
 292         // Lifted straight from Christer's old driver and
 293         // modified slightly by Martin Samuelsson.
 294
 295         int mux = default_mux; /* 1 = BT866, 7 = VID1 */
 296
 297         GPIO(zr, 4, 1); /* Bt866 SLEEP on */
 298         udelay(2);
 299
 300         GPIO(zr, 0, 1); /* ZR36060 /RESET on */
 301         GPIO(zr, 1, 0); /* ZR36060 /SLEEP on */
 302         GPIO(zr, 2, mux & 1);   /* MUX S0 */
 303         GPIO(zr, 3, 0); /* /FRAME on */
 304         GPIO(zr, 4, 0); /* Bt866 SLEEP off */
 305         GPIO(zr, 5, mux & 2);   /* MUX S1 */
 306         GPIO(zr, 6, 0); /* ? */
 307         GPIO(zr, 7, mux & 4);   /* MUX S2 */
 308
 309 }
 310
 311 static char *
 312 codecid_to_modulename (u16 codecid)
 313 {
 314         char *name = NULL;
 315
 316         switch (codecid) {
 317         case CODEC_TYPE_ZR36060:
 318                 name = "zr36060";
 319                 break;
 320         case CODEC_TYPE_ZR36050:
 321                 name = "zr36050";
 322                 break;
 323         case CODEC_TYPE_ZR36016:
 324                 name = "zr36016";
 325                 break;
 326         }
 327
 328         return name;
 329 }
 330
 331 // struct tvnorm {
 332 //      u16 Wt, Wa, HStart, HSyncStart, Ht, Ha, VStart;
 333 // };
 334
 335 static struct tvnorm f50sqpixel = { 944, 768, 83, 880, 625, 576, 16 };
 336 static struct tvnorm f60sqpixel = { 780, 640, 51, 716, 525, 480, 12 };
 337 static struct tvnorm f50ccir601 = { 864, 720, 75, 804, 625, 576, 18 };
 338 static struct tvnorm f60ccir601 = { 858, 720, 57, 788, 525, 480, 16 };
 339
 340 static struct tvnorm f50ccir601_lml33 = { 864, 720, 75+34, 804, 625, 576, 18 };
 341 static struct tvnorm f60ccir601_lml33 = { 858, 720, 57+34, 788, 525, 480, 16 };
 342
 343 /* The DC10 (57/16/50) uses VActive as HSync, so HStart must be 0 */
 344 static struct tvnorm f50sqpixel_dc10 = { 944, 768, 0, 880, 625, 576, 0 };
 345 static struct tvnorm f60sqpixel_dc10 = { 780, 640, 0, 716, 525, 480, 12 };
 346
 347 /* FIXME: I cannot swap U and V in saa7114, so i do one
 348  * pixel left shift in zoran (75 -> 74)
 349  * (Maxim Yevtyushkin <max@linuxmedialabs.com>) */
 350 static struct tvnorm f50ccir601_lm33r10 = { 864, 720, 74+54, 804, 625, 576, 18 };
 351 static struct tvnorm f60ccir601_lm33r10 = { 858, 720, 56+54, 788, 525, 480, 16 };
 352
 353 /* FIXME: The ks0127 seem incapable of swapping U and V, too, which is why I
 354  * copy Maxim's left shift hack for the 6 Eyes.
 355  *
 356  * Christer's driver used the unshifted norms, though...
 357  * /Sam  */
 358 static struct tvnorm f50ccir601_avs6eyes = { 864, 720, 74, 804, 625, 576, 18 };
 359 static struct tvnorm f60ccir601_avs6eyes = { 858, 720, 56, 788, 525, 480, 16 };
 360
 361 static const unsigned short vpx3220_addrs[] = { 0x43, 0x47, I2C_CLIENT_END };
 362 static const unsigned short saa7110_addrs[] = { 0x4e, 0x4f, I2C_CLIENT_END };
 363 static const unsigned short saa7111_addrs[] = { 0x25, 0x24, I2C_CLIENT_END };
 364 static const unsigned short saa7114_addrs[] = { 0x21, 0x20, I2C_CLIENT_END };
 365 static const unsigned short adv717x_addrs[] = { 0x6a, 0x6b, 0x2a, 0x2b, I2C_CLIENT_END };
 366 static const unsigned short ks0127_addrs[] = { 0x6c, 0x6d, I2C_CLIENT_END };
 367 static const unsigned short saa7185_addrs[] = { 0x44, I2C_CLIENT_END };
 368 static const unsigned short bt819_addrs[] = { 0x45, I2C_CLIENT_END };
 369 static const unsigned short bt856_addrs[] = { 0x44, I2C_CLIENT_END };
 370 static const unsigned short bt866_addrs[] = { 0x44, I2C_CLIENT_END };
 371
 372 static struct card_info zoran_cards[NUM_CARDS] __devinitdata = {
 373         {
 374                 .type = DC10_old,
 375                 .name = "DC10(old)",
 376                 .i2c_decoder = "vpx3220a",
 377                 .addrs_decoder = vpx3220_addrs,
 378                 .video_codec = CODEC_TYPE_ZR36050,
 379                 .video_vfe = CODEC_TYPE_ZR36016,
 380
 381                 .inputs = 3,
 382                 .input = {
 383                         { 1, "Composite" },
 384                         { 2, "S-Video" },
 385                         { 0, "Internal/comp" }
 386                 },
 387                 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
 388                 .tvn = {
 389                         &f50sqpixel_dc10,
 390                         &f60sqpixel_dc10,
 391                         &f50sqpixel_dc10
 392                 },
 393                 .jpeg_int = 0,
 394                 .vsync_int = ZR36057_ISR_GIRQ1,
 395                 .gpio = { 2, 1, -1, 3, 7, 0, 4, 5 },
 396                 .gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 },
 397                 .gpcs = { -1, 0 },
 398                 .vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
 399                 .gws_not_connected = 0,
 400                 .input_mux = 0,
 401                 .init = &dc10_init,
 402         }, {
 403                 .type = DC10_new,
 404                 .name = "DC10(new)",
 405                 .i2c_decoder = "saa7110",
 406                 .addrs_decoder = saa7110_addrs,
 407                 .i2c_encoder = "adv7175",
 408                 .addrs_encoder = adv717x_addrs,
 409                 .video_codec = CODEC_TYPE_ZR36060,
 410
 411                 .inputs = 3,
 412                 .input = {
 413                                 { 0, "Composite" },
 414                                 { 7, "S-Video" },
 415                                 { 5, "Internal/comp" }
 416                         },
 417                 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
 418                 .tvn = {
 419                                 &f50sqpixel,
 420                                 &f60sqpixel,
 421                                 &f50sqpixel},
 422                 .jpeg_int = ZR36057_ISR_GIRQ0,
 423                 .vsync_int = ZR36057_ISR_GIRQ1,
 424                 .gpio = { 3, 0, 6, 1, 2, -1, 4, 5 },
 425                 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
 426                 .gpcs = { -1, 1},
 427                 .vfe_pol = { 1, 1, 1, 1, 0, 0, 0, 0 },
 428                 .gws_not_connected = 0,
 429                 .input_mux = 0,
 430                 .init = &dc10plus_init,
 431         }, {
 432                 .type = DC10plus,
 433                 .name = "DC10plus",
 434                 .i2c_decoder = "saa7110",
 435                 .addrs_decoder = saa7110_addrs,
 436                 .i2c_encoder = "adv7175",
 437                 .addrs_encoder = adv717x_addrs,
 438                 .video_codec = CODEC_TYPE_ZR36060,
 439
 440                 .inputs = 3,
 441                 .input = {
 442                         { 0, "Composite" },
 443                         { 7, "S-Video" },
 444                         { 5, "Internal/comp" }
 445                 },
 446                 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
 447                 .tvn = {
 448                         &f50sqpixel,
 449                         &f60sqpixel,
 450                         &f50sqpixel
 451                 },
 452                 .jpeg_int = ZR36057_ISR_GIRQ0,
 453                 .vsync_int = ZR36057_ISR_GIRQ1,
 454                 .gpio = { 3, 0, 6, 1, 2, -1, 4, 5 },
 455                 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
 456                 .gpcs = { -1, 1 },
 457                 .vfe_pol = { 1, 1, 1, 1, 0, 0, 0, 0 },
 458                 .gws_not_connected = 0,
 459                 .input_mux = 0,
 460                 .init = &dc10plus_init,
 461         }, {
 462                 .type = DC30,
 463                 .name = "DC30",
 464                 .i2c_decoder = "vpx3220a",
 465                 .addrs_decoder = vpx3220_addrs,
 466                 .i2c_encoder = "adv7175",
 467                 .addrs_encoder = adv717x_addrs,
 468                 .video_codec = CODEC_TYPE_ZR36050,
 469                 .video_vfe = CODEC_TYPE_ZR36016,
 470
 471                 .inputs = 3,
 472                 .input = {
 473                         { 1, "Composite" },
 474                         { 2, "S-Video" },
 475                         { 0, "Internal/comp" }
 476                 },
 477                 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
 478                 .tvn = {
 479                         &f50sqpixel_dc10,
 480                         &f60sqpixel_dc10,
 481                         &f50sqpixel_dc10
 482                 },
 483                 .jpeg_int = 0,
 484                 .vsync_int = ZR36057_ISR_GIRQ1,
 485                 .gpio = { 2, 1, -1, 3, 7, 0, 4, 5 },
 486                 .gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 },
 487                 .gpcs = { -1, 0 },
 488                 .vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
 489                 .gws_not_connected = 0,
 490                 .input_mux = 0,
 491                 .init = &dc10_init,
 492         }, {
 493                 .type = DC30plus,
 494                 .name = "DC30plus",
 495                 .i2c_decoder = "vpx3220a",
 496                 .addrs_decoder = vpx3220_addrs,
 497                 .i2c_encoder = "adv7175",
 498                 .addrs_encoder = adv717x_addrs,
 499                 .video_codec = CODEC_TYPE_ZR36050,
 500                 .video_vfe = CODEC_TYPE_ZR36016,
 501
 502                 .inputs = 3,
 503                 .input = {
 504                         { 1, "Composite" },
 505                         { 2, "S-Video" },
 506                         { 0, "Internal/comp" }
 507                 },
 508                 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
 509                 .tvn = {
 510                         &f50sqpixel_dc10,
 511                         &f60sqpixel_dc10,
 512                         &f50sqpixel_dc10
 513                 },
 514                 .jpeg_int = 0,
 515                 .vsync_int = ZR36057_ISR_GIRQ1,
 516                 .gpio = { 2, 1, -1, 3, 7, 0, 4, 5 },
 517                 .gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 },
 518                 .gpcs = { -1, 0 },
 519                 .vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
 520                 .gws_not_connected = 0,
 521                 .input_mux = 0,
 522                 .init = &dc10_init,
 523         }, {
 524                 .type = LML33,
 525                 .name = "LML33",
 526                 .i2c_decoder = "bt819a",
 527                 .addrs_decoder = bt819_addrs,
 528                 .i2c_encoder = "bt856",
 529                 .addrs_encoder = bt856_addrs,
 530                 .video_codec = CODEC_TYPE_ZR36060,
 531
 532                 .inputs = 2,
 533                 .input = {
 534                         { 0, "Composite" },
 535                         { 7, "S-Video" }
 536                 },
 537                 .norms = V4L2_STD_NTSC|V4L2_STD_PAL,
 538                 .tvn = {
 539                         &f50ccir601_lml33,
 540                         &f60ccir601_lml33,
 541                         NULL
 542                 },
 543                 .jpeg_int = ZR36057_ISR_GIRQ1,
 544                 .vsync_int = ZR36057_ISR_GIRQ0,
 545                 .gpio = { 1, -1, 3, 5, 7, -1, -1, -1 },
 546                 .gpio_pol = { 0, 0, 0, 0, 1, 0, 0, 0 },
 547                 .gpcs = { 3, 1 },
 548                 .vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 },
 549                 .gws_not_connected = 1,
 550                 .input_mux = 0,
 551                 .init = &lml33_init,
 552         }, {
 553                 .type = LML33R10,
 554                 .name = "LML33R10",
 555                 .i2c_decoder = "saa7114",
 556                 .addrs_decoder = saa7114_addrs,
 557                 .i2c_encoder = "adv7170",
 558                 .addrs_encoder = adv717x_addrs,
 559                 .video_codec = CODEC_TYPE_ZR36060,
 560
 561                 .inputs = 2,
 562                 .input = {
 563                         { 0, "Composite" },
 564                         { 7, "S-Video" }
 565                 },
 566                 .norms = V4L2_STD_NTSC|V4L2_STD_PAL,
 567                 .tvn = {
 568                         &f50ccir601_lm33r10,
 569                         &f60ccir601_lm33r10,
 570                         NULL
 571                 },
 572                 .jpeg_int = ZR36057_ISR_GIRQ1,
 573                 .vsync_int = ZR36057_ISR_GIRQ0,
 574                 .gpio = { 1, -1, 3, 5, 7, -1, -1, -1 },
 575                 .gpio_pol = { 0, 0, 0, 0, 1, 0, 0, 0 },
 576                 .gpcs = { 3, 1 },
 577                 .vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 },
 578                 .gws_not_connected = 1,
 579                 .input_mux = 0,
 580                 .init = &lml33_init,
 581         }, {
 582                 .type = BUZ,
 583                 .name = "Buz",
 584                 .i2c_decoder = "saa7111",
 585                 .addrs_decoder = saa7111_addrs,
 586                 .i2c_encoder = "saa7185",
 587                 .addrs_encoder = saa7185_addrs,
 588                 .video_codec = CODEC_TYPE_ZR36060,
 589
 590                 .inputs = 2,
 591                 .input = {
 592                         { 3, "Composite" },
 593                         { 7, "S-Video" }
 594                 },
 595                 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
 596                 .tvn = {
 597                         &f50ccir601,
 598                         &f60ccir601,
 599                         &f50ccir601
 600                 },
 601                 .jpeg_int = ZR36057_ISR_GIRQ1,
 602                 .vsync_int = ZR36057_ISR_GIRQ0,
 603                 .gpio = { 1, -1, 3, -1, -1, -1, -1, -1 },
 604                 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
 605                 .gpcs = { 3, 1 },
 606                 .vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 },
 607                 .gws_not_connected = 1,
 608                 .input_mux = 0,
 609                 .init = &buz_init,
 610         }, {
 611                 .type = AVS6EYES,
 612                 .name = "6-Eyes",
 613                 /* AverMedia chose not to brand the 6-Eyes. Thus it
 614                    can't be autodetected, and requires card=x. */
 615                 .i2c_decoder = "ks0127",
 616                 .addrs_decoder = ks0127_addrs,
 617                 .i2c_encoder = "bt866",
 618                 .addrs_encoder = bt866_addrs,
 619                 .video_codec = CODEC_TYPE_ZR36060,
 620
 621                 .inputs = 10,
 622                 .input = {
 623                         { 0, "Composite 1" },
 624                         { 1, "Composite 2" },
 625                         { 2, "Composite 3" },
 626                         { 4, "Composite 4" },
 627                         { 5, "Composite 5" },
 628                         { 6, "Composite 6" },
 629                         { 8, "S-Video 1" },
 630                         { 9, "S-Video 2" },
 631                         {10, "S-Video 3" },
 632                         {15, "YCbCr" }
 633                 },
 634                 .norms = V4L2_STD_NTSC|V4L2_STD_PAL,
 635                 .tvn = {
 636                         &f50ccir601_avs6eyes,
 637                         &f60ccir601_avs6eyes,
 638                         NULL
 639                 },
 640                 .jpeg_int = ZR36057_ISR_GIRQ1,
 641                 .vsync_int = ZR36057_ISR_GIRQ0,
 642                 .gpio = { 1, 0, 3, -1, -1, -1, -1, -1 },// Validity unknown /Sam
 643                 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 }, // Validity unknown /Sam
 644                 .gpcs = { 3, 1 },                       // Validity unknown /Sam
 645                 .vfe_pol = { 1, 0, 0, 0, 0, 1, 0, 0 },  // Validity unknown /Sam
 646                 .gws_not_connected = 1,
 647                 .input_mux = 1,
 648                 .init = &avs6eyes_init,
 649         }
 650
 651 };
 652
 653 /*
 654  * I2C functions
 655  */
 656 /* software I2C functions */
 657 static int
 658 zoran_i2c_getsda (void *data)
 659 {
 660         struct zoran *zr = (struct zoran *) data;
 661
 662         return (btread(ZR36057_I2CBR) >> 1) & 1;
 663 }
 664
 665 static int
 666 zoran_i2c_getscl (void *data)
 667 {
 668         struct zoran *zr = (struct zoran *) data;
 669
 670         return btread(ZR36057_I2CBR) & 1;
 671 }
 672
 673 static void
 674 zoran_i2c_setsda (void *data,
 675                   int   state)
 676 {
 677         struct zoran *zr = (struct zoran *) data;
 678
 679         if (state)
 680                 zr->i2cbr |= 2;
 681         else
 682                 zr->i2cbr &= ~2;
 683         btwrite(zr->i2cbr, ZR36057_I2CBR);
 684 }
 685
 686 static void
 687 zoran_i2c_setscl (void *data,
 688                   int   state)
 689 {
 690         struct zoran *zr = (struct zoran *) data;
 691
 692         if (state)
 693                 zr->i2cbr |= 1;
 694         else
 695                 zr->i2cbr &= ~1;
 696         btwrite(zr->i2cbr, ZR36057_I2CBR);
 697 }
 698
 699 static const struct i2c_algo_bit_data zoran_i2c_bit_data_template = {
 700         .setsda = zoran_i2c_setsda,
 701         .setscl = zoran_i2c_setscl,
 702         .getsda = zoran_i2c_getsda,
 703         .getscl = zoran_i2c_getscl,
 704         .udelay = 10,
 705         .timeout = 100,
 706 };
 707
 708 static int
 709 zoran_register_i2c (struct zoran *zr)
 710 {
 711         memcpy(&zr->i2c_algo, &zoran_i2c_bit_data_template,
 712                sizeof(struct i2c_algo_bit_data));
 713         zr->i2c_algo.data = zr;
 714         strlcpy(zr->i2c_adapter.name, ZR_DEVNAME(zr),
 715                 sizeof(zr->i2c_adapter.name));
 716         i2c_set_adapdata(&zr->i2c_adapter, &zr->v4l2_dev);
 717         zr->i2c_adapter.algo_data = &zr->i2c_algo;
 718         zr->i2c_adapter.dev.parent = &zr->pci_dev->dev;
 719         return i2c_bit_add_bus(&zr->i2c_adapter);
 720 }
 721
 722 static void
 723 zoran_unregister_i2c (struct zoran *zr)
 724 {
 725         i2c_del_adapter(&zr->i2c_adapter);
 726 }
 727
 728 /* Check a zoran_params struct for correctness, insert default params */
 729
 730 int
 731 zoran_check_jpg_settings (struct zoran              *zr,
 732                           struct zoran_jpg_settings *settings,
 733                           int try)
 734 {
 735         int err = 0, err0 = 0;
 736
 737         dprintk(4,
 738                 KERN_DEBUG
 739                 "%s: %s - dec: %d, Hdcm: %d, Vdcm: %d, Tdcm: %d\n",
 740                 ZR_DEVNAME(zr), __func__, settings->decimation, settings->HorDcm,
 741                 settings->VerDcm, settings->TmpDcm);
 742         dprintk(4,
 743                 KERN_DEBUG
 744                 "%s: %s - x: %d, y: %d, w: %d, y: %d\n",
 745                 ZR_DEVNAME(zr), __func__, settings->img_x, settings->img_y,
 746                 settings->img_width, settings->img_height);
 747         /* Check decimation, set default values for decimation = 1, 2, 4 */
 748         switch (settings->decimation) {
 749         case 1:
 750
 751                 settings->HorDcm = 1;
 752                 settings->VerDcm = 1;
 753                 settings->TmpDcm = 1;
 754                 settings->field_per_buff = 2;
 755                 settings->img_x = 0;
 756                 settings->img_y = 0;
 757                 settings->img_width = BUZ_MAX_WIDTH;
 758                 settings->img_height = BUZ_MAX_HEIGHT / 2;
 759                 break;
 760         case 2:
 761
 762                 settings->HorDcm = 2;
 763                 settings->VerDcm = 1;
 764                 settings->TmpDcm = 2;
 765                 settings->field_per_buff = 1;
 766                 settings->img_x = (BUZ_MAX_WIDTH == 720) ? 8 : 0;
 767                 settings->img_y = 0;
 768                 settings->img_width =
 769                     (BUZ_MAX_WIDTH == 720) ? 704 : BUZ_MAX_WIDTH;
 770                 settings->img_height = BUZ_MAX_HEIGHT / 2;
 771                 break;
 772         case 4:
 773
 774                 if (zr->card.type == DC10_new) {
 775                         dprintk(1,
 776                                 KERN_DEBUG
 777                                 "%s: %s - HDec by 4 is not supported on the DC10\n",
 778                                 ZR_DEVNAME(zr), __func__);
 779                         err0++;
 780                         break;
 781                 }
 782
 783                 settings->HorDcm = 4;
 784                 settings->VerDcm = 2;
 785                 settings->TmpDcm = 2;
 786                 settings->field_per_buff = 1;
 787                 settings->img_x = (BUZ_MAX_WIDTH == 720) ? 8 : 0;
 788                 settings->img_y = 0;
 789                 settings->img_width =
 790                     (BUZ_MAX_WIDTH == 720) ? 704 : BUZ_MAX_WIDTH;
 791                 settings->img_height = BUZ_MAX_HEIGHT / 2;
 792                 break;
 793         case 0:
 794
 795                 /* We have to check the data the user has set */
 796
 797                 if (settings->HorDcm != 1 && settings->HorDcm != 2 &&
 798                     (zr->card.type == DC10_new || settings->HorDcm != 4)) {
 799                         settings->HorDcm = clamp(settings->HorDcm, 1, 2);
 800                         err0++;
 801                 }
 802                 if (settings->VerDcm != 1 && settings->VerDcm != 2) {
 803                         settings->VerDcm = clamp(settings->VerDcm, 1, 2);
 804                         err0++;
 805                 }
 806                 if (settings->TmpDcm != 1 && settings->TmpDcm != 2) {
 807                         settings->TmpDcm = clamp(settings->TmpDcm, 1, 2);
 808                         err0++;
 809                 }
 810                 if (settings->field_per_buff != 1 &&
 811                     settings->field_per_buff != 2) {
 812                         settings->field_per_buff = clamp(settings->field_per_buff, 1, 2);
 813                         err0++;
 814                 }
 815                 if (settings->img_x < 0) {
 816                         settings->img_x = 0;
 817                         err0++;
 818                 }
 819                 if (settings->img_y < 0) {
 820                         settings->img_y = 0;
 821                         err0++;
 822                 }
 823                 if (settings->img_width < 0 || settings->img_width > BUZ_MAX_WIDTH) {
 824                         settings->img_width = clamp(settings->img_width, 0, (int)BUZ_MAX_WIDTH);
 825                         err0++;
 826                 }
 827                 if (settings->img_height < 0 || settings->img_height > BUZ_MAX_HEIGHT / 2) {
 828                         settings->img_height = clamp(settings->img_height, 0, BUZ_MAX_HEIGHT / 2);
 829                         err0++;
 830                 }
 831                 if (settings->img_x + settings->img_width > BUZ_MAX_WIDTH) {
 832                         settings->img_x = BUZ_MAX_WIDTH - settings->img_width;
 833                         err0++;
 834                 }
 835                 if (settings->img_y + settings->img_height > BUZ_MAX_HEIGHT / 2) {
 836                         settings->img_y = BUZ_MAX_HEIGHT / 2 - settings->img_height;
 837                         err0++;
 838                 }
 839                 if (settings->img_width % (16 * settings->HorDcm) != 0) {
 840                         settings->img_width -= settings->img_width % (16 * settings->HorDcm);
 841                         if (settings->img_width == 0)
 842                                 settings->img_width = 16 * settings->HorDcm;
 843                         err0++;
 844                 }
 845                 if (settings->img_height % (8 * settings->VerDcm) != 0) {
 846                         settings->img_height -= settings->img_height % (8 * settings->VerDcm);
 847                         if (settings->img_height == 0)
 848                                 settings->img_height = 8 * settings->VerDcm;
 849                         err0++;
 850                 }
 851
 852                 if (!try && err0) {
 853                         dprintk(1,
 854                                 KERN_ERR
 855                                 "%s: %s - error in params for decimation = 0\n",
 856                                 ZR_DEVNAME(zr), __func__);
 857                         err++;
 858                 }
 859                 break;
 860         default:
 861                 dprintk(1,
 862                         KERN_ERR
 863                         "%s: %s - decimation = %d, must be 0, 1, 2 or 4\n",
 864                         ZR_DEVNAME(zr), __func__, settings->decimation);
 865                 err++;
 866                 break;
 867         }
 868
 869         if (settings->jpg_comp.quality > 100)
 870                 settings->jpg_comp.quality = 100;
 871         if (settings->jpg_comp.quality < 5)
 872                 settings->jpg_comp.quality = 5;
 873         if (settings->jpg_comp.APPn < 0)
 874                 settings->jpg_comp.APPn = 0;
 875         if (settings->jpg_comp.APPn > 15)
 876                 settings->jpg_comp.APPn = 15;
 877         if (settings->jpg_comp.APP_len < 0)
 878                 settings->jpg_comp.APP_len = 0;
 879         if (settings->jpg_comp.APP_len > 60)
 880                 settings->jpg_comp.APP_len = 60;
 881         if (settings->jpg_comp.COM_len < 0)
 882                 settings->jpg_comp.COM_len = 0;
 883         if (settings->jpg_comp.COM_len > 60)
 884                 settings->jpg_comp.COM_len = 60;
 885         if (err)
 886                 return -EINVAL;
 887         return 0;
 888 }
 889
 890 void
 891 zoran_open_init_params (struct zoran *zr)
 892 {
 893         int i;
 894
 895         /* User must explicitly set a window */
 896         zr->overlay_settings.is_set = 0;
 897         zr->overlay_mask = NULL;
 898         zr->overlay_active = ZORAN_FREE;
 899
 900         zr->v4l_memgrab_active = 0;
 901         zr->v4l_overlay_active = 0;
 902         zr->v4l_grab_frame = NO_GRAB_ACTIVE;
 903         zr->v4l_grab_seq = 0;
 904         zr->v4l_settings.width = 192;
 905         zr->v4l_settings.height = 144;
 906         zr->v4l_settings.format = &zoran_formats[7];    /* YUY2 - YUV-4:2:2 packed */
 907         zr->v4l_settings.bytesperline =
 908             zr->v4l_settings.width *
 909             ((zr->v4l_settings.format->depth + 7) / 8);
 910
 911         /* DMA ring stuff for V4L */
 912         zr->v4l_pend_tail = 0;
 913         zr->v4l_pend_head = 0;
 914         zr->v4l_sync_tail = 0;
 915         zr->v4l_buffers.active = ZORAN_FREE;
 916         for (i = 0; i < VIDEO_MAX_FRAME; i++) {
 917                 zr->v4l_buffers.buffer[i].state = BUZ_STATE_USER;       /* nothing going on */
 918         }
 919         zr->v4l_buffers.allocated = 0;
 920
 921         for (i = 0; i < BUZ_MAX_FRAME; i++) {
 922                 zr->jpg_buffers.buffer[i].state = BUZ_STATE_USER;       /* nothing going on */
 923         }
 924         zr->jpg_buffers.active = ZORAN_FREE;
 925         zr->jpg_buffers.allocated = 0;
 926         /* Set necessary params and call zoran_check_jpg_settings to set the defaults */
 927         zr->jpg_settings.decimation = 1;
 928         zr->jpg_settings.jpg_comp.quality = 50; /* default compression factor 8 */
 929         if (zr->card.type != BUZ)
 930                 zr->jpg_settings.odd_even = 1;
 931         else
 932                 zr->jpg_settings.odd_even = 0;
 933         zr->jpg_settings.jpg_comp.APPn = 0;
 934         zr->jpg_settings.jpg_comp.APP_len = 0;  /* No APPn marker */
 935         memset(zr->jpg_settings.jpg_comp.APP_data, 0,
 936                sizeof(zr->jpg_settings.jpg_comp.APP_data));
 937         zr->jpg_settings.jpg_comp.COM_len = 0;  /* No COM marker */
 938         memset(zr->jpg_settings.jpg_comp.COM_data, 0,
 939                sizeof(zr->jpg_settings.jpg_comp.COM_data));
 940         zr->jpg_settings.jpg_comp.jpeg_markers =
 941             V4L2_JPEG_MARKER_DHT | V4L2_JPEG_MARKER_DQT;
 942         i = zoran_check_jpg_settings(zr, &zr->jpg_settings, 0);
 943         if (i)
 944                 dprintk(1, KERN_ERR "%s: %s internal error\n",
 945                         ZR_DEVNAME(zr), __func__);
 946
 947         clear_interrupt_counters(zr);
 948         zr->testing = 0;
 949 }
 950
 951 static void __devinit
 952 test_interrupts (struct zoran *zr)
 953 {
 954         DEFINE_WAIT(wait);
 955         int timeout, icr;
 956
 957         clear_interrupt_counters(zr);
 958
 959         zr->testing = 1;
 960         icr = btread(ZR36057_ICR);
 961         btwrite(0x78000000 | ZR36057_ICR_IntPinEn, ZR36057_ICR);
 962         prepare_to_wait(&zr->test_q, &wait, TASK_INTERRUPTIBLE);
 963         timeout = schedule_timeout(HZ);
 964         finish_wait(&zr->test_q, &wait);
 965         btwrite(0, ZR36057_ICR);
 966         btwrite(0x78000000, ZR36057_ISR);
 967         zr->testing = 0;
 968         dprintk(5, KERN_INFO "%s: Testing interrupts...\n", ZR_DEVNAME(zr));
 969         if (timeout) {
 970                 dprintk(1, ": time spent: %d\n", 1 * HZ - timeout);
 971         }
 972         if (zr36067_debug > 1)
 973                 print_interrupts(zr);
 974         btwrite(icr, ZR36057_ICR);
 975 }
 976
 977 static int __devinit
 978 zr36057_init (struct zoran *zr)
 979 {
 980         int j, err;
 981
 982         dprintk(1,
 983                 KERN_INFO
 984                 "%s: %s - initializing card[%d], zr=%p\n",
 985                 ZR_DEVNAME(zr), __func__, zr->id, zr);
 986
 987         /* default setup of all parameters which will persist between opens */
 988         zr->user = 0;
 989
 990         init_waitqueue_head(&zr->v4l_capq);
 991         init_waitqueue_head(&zr->jpg_capq);
 992         init_waitqueue_head(&zr->test_q);
 993         zr->jpg_buffers.allocated = 0;
 994         zr->v4l_buffers.allocated = 0;
 995
 996         zr->vbuf_base = (void *) vidmem;
 997         zr->vbuf_width = 0;
 998         zr->vbuf_height = 0;
 999         zr->vbuf_depth = 0;
1000         zr->vbuf_bytesperline = 0;
1001
1002         /* Avoid nonsense settings from user for default input/norm */
1003         if (default_norm < 0 || default_norm > 2)
1004                 default_norm = 0;
1005         if (default_norm == 0) {
1006                 zr->norm = V4L2_STD_PAL;
1007                 zr->timing = zr->card.tvn[0];
1008         } else if (default_norm == 1) {
1009                 zr->norm = V4L2_STD_NTSC;
1010                 zr->timing = zr->card.tvn[1];
1011         } else {
1012                 zr->norm = V4L2_STD_SECAM;
1013                 zr->timing = zr->card.tvn[2];
1014         }
1015         if (zr->timing == NULL) {
1016                 dprintk(1,
1017                         KERN_WARNING
1018                         "%s: %s - default TV standard not supported by hardware. PAL will be used.\n",
1019                         ZR_DEVNAME(zr), __func__);
1020                 zr->norm = V4L2_STD_PAL;
1021                 zr->timing = zr->card.tvn[0];
1022         }
1023
1024         if (default_input > zr->card.inputs-1) {
1025                 dprintk(1,
1026                         KERN_WARNING
1027                         "%s: default_input value %d out of range (0-%d)\n",
1028                         ZR_DEVNAME(zr), default_input, zr->card.inputs-1);
1029                 default_input = 0;
1030         }
1031         zr->input = default_input;
1032
1033         /* default setup (will be repeated at every open) */
1034         zoran_open_init_params(zr);
1035
1036         /* allocate memory *before* doing anything to the hardware
1037          * in case allocation fails */
1038         zr->stat_com = kzalloc(BUZ_NUM_STAT_COM * 4, GFP_KERNEL);
1039         zr->video_dev = video_device_alloc();
1040         if (!zr->stat_com || !zr->video_dev) {
1041                 dprintk(1,
1042                         KERN_ERR
1043                         "%s: %s - kmalloc (STAT_COM) failed\n",
1044                         ZR_DEVNAME(zr), __func__);
1045                 err = -ENOMEM;
1046                 goto exit_free;
1047         }
1048         for (j = 0; j < BUZ_NUM_STAT_COM; j++) {
1049                 zr->stat_com[j] = cpu_to_le32(1); /* mark as unavailable to zr36057 */
1050         }
1051
1052         /*
1053          *   Now add the template and register the device unit.
1054          */
1055         memcpy(zr->video_dev, &zoran_template, sizeof(zoran_template));
1056         zr->video_dev->parent = &zr->pci_dev->dev;
1057         strcpy(zr->video_dev->name, ZR_DEVNAME(zr));
1058         err = video_register_device(zr->video_dev, VFL_TYPE_GRABBER, video_nr[zr->id]);
1059         if (err < 0)
1060                 goto exit_free;
1061         video_set_drvdata(zr->video_dev, zr);
1062
1063         zoran_init_hardware(zr);
1064         if (zr36067_debug > 2)
1065                 detect_guest_activity(zr);
1066         test_interrupts(zr);
1067         if (!pass_through) {
1068                 decoder_call(zr, video, s_stream, 0);
1069                 encoder_call(zr, video, s_routing, 2, 0, 0);
1070         }
1071
1072         zr->zoran_proc = NULL;
1073         zr->initialized = 1;
1074         return 0;
1075
1076 exit_free:
1077         kfree(zr->stat_com);
1078         kfree(zr->video_dev);
1079         return err;
1080 }
1081
1082 static void __devexit zoran_remove(struct pci_dev *pdev)
1083 {
1084         struct v4l2_device *v4l2_dev = dev_get_drvdata(&pdev->dev);
1085         struct zoran *zr = to_zoran(v4l2_dev);
1086
1087         if (!zr->initialized)
1088                 goto exit_free;
1089
1090         /* unregister videocodec bus */
1091         if (zr->codec) {
1092                 struct videocodec_master *master = zr->codec->master_data;
1093
1094                 videocodec_detach(zr->codec);
1095                 kfree(master);
1096         }
1097         if (zr->vfe) {
1098                 struct videocodec_master *master = zr->vfe->master_data;
1099
1100                 videocodec_detach(zr->vfe);
1101                 kfree(master);
1102         }
1103
1104         /* unregister i2c bus */
1105         zoran_unregister_i2c(zr);
1106         /* disable PCI bus-mastering */
1107         zoran_set_pci_master(zr, 0);
1108         /* put chip into reset */
1109         btwrite(0, ZR36057_SPGPPCR);
1110         free_irq(zr->pci_dev->irq, zr);
1111         /* unmap and free memory */
1112         kfree(zr->stat_com);
1113         zoran_proc_cleanup(zr);
1114         iounmap(zr->zr36057_mem);
1115         pci_disable_device(zr->pci_dev);
1116         video_unregister_device(zr->video_dev);
1117 exit_free:
1118         v4l2_device_unregister(&zr->v4l2_dev);
1119         kfree(zr);
1120 }
1121
1122 void
1123 zoran_vdev_release (struct video_device *vdev)
1124 {
1125         kfree(vdev);
1126 }
1127
1128 static struct videocodec_master * __devinit
1129 zoran_setup_videocodec (struct zoran *zr,
1130                         int           type)
1131 {
1132         struct videocodec_master *m = NULL;
1133
1134         m = kmalloc(sizeof(struct videocodec_master), GFP_KERNEL);
1135         if (!m) {
1136                 dprintk(1, KERN_ERR "%s: %s - no memory\n",
1137                         ZR_DEVNAME(zr), __func__);
1138                 return m;
1139         }
1140
1141         /* magic and type are unused for master struct. Makes sense only at
1142            codec structs.
1143            In the past, .type were initialized to the old V4L1 .hardware
1144            value, as VID_HARDWARE_ZR36067
1145          */
1146         m->magic = 0L;
1147         m->type = 0;
1148
1149         m->flags = CODEC_FLAG_ENCODER | CODEC_FLAG_DECODER;
1150         strlcpy(m->name, ZR_DEVNAME(zr), sizeof(m->name));
1151         m->data = zr;
1152
1153         switch (type)
1154         {
1155         case CODEC_TYPE_ZR36060:
1156                 m->readreg = zr36060_read;
1157                 m->writereg = zr36060_write;
1158                 m->flags |= CODEC_FLAG_JPEG | CODEC_FLAG_VFE;
1159                 break;
1160         case CODEC_TYPE_ZR36050:
1161                 m->readreg = zr36050_read;
1162                 m->writereg = zr36050_write;
1163                 m->flags |= CODEC_FLAG_JPEG;
1164                 break;
1165         case CODEC_TYPE_ZR36016:
1166                 m->readreg = zr36016_read;
1167                 m->writereg = zr36016_write;
1168                 m->flags |= CODEC_FLAG_VFE;
1169                 break;
1170         }
1171
1172         return m;
1173 }
1174
1175 static void zoran_subdev_notify(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
1176 {
1177         struct zoran *zr = to_zoran(sd->v4l2_dev);
1178
1179         /* Bt819 needs to reset its FIFO buffer using #FRST pin and
1180            LML33 card uses GPIO(7) for that. */
1181         if (cmd == BT819_FIFO_RESET_LOW)
1182                 GPIO(zr, 7, 0);
1183         else if (cmd == BT819_FIFO_RESET_HIGH)
1184                 GPIO(zr, 7, 1);
1185 }
1186
1187 /*
1188  *   Scan for a Buz card (actually for the PCI controller ZR36057),
1189  *   request the irq and map the io memory
1190  */
1191 static int __devinit zoran_probe(struct pci_dev *pdev,
1192                                  const struct pci_device_id *ent)
1193 {
1194         unsigned char latency, need_latency;
1195         struct zoran *zr;
1196         int result;
1197         struct videocodec_master *master_vfe = NULL;
1198         struct videocodec_master *master_codec = NULL;
1199         int card_num;
1200         char *codec_name, *vfe_name;
1201         unsigned int nr;
1202
1203
1204         nr = zoran_num++;
1205         if (nr >= BUZ_MAX) {
1206                 dprintk(1, KERN_ERR "%s: driver limited to %d card(s) maximum\n",
1207                         ZORAN_NAME, BUZ_MAX);
1208                 return -ENOENT;
1209         }
1210
1211         zr = kzalloc(sizeof(struct zoran), GFP_KERNEL);
1212         if (!zr) {
1213                 dprintk(1, KERN_ERR "%s: %s - kzalloc failed\n",
1214                         ZORAN_NAME, __func__);
1215                 return -ENOMEM;
1216         }
1217         zr->v4l2_dev.notify = zoran_subdev_notify;
1218         if (v4l2_device_register(&pdev->dev, &zr->v4l2_dev))
1219                 goto zr_free_mem;
1220         zr->pci_dev = pdev;
1221         zr->id = nr;
1222         snprintf(ZR_DEVNAME(zr), sizeof(ZR_DEVNAME(zr)), "MJPEG[%u]", zr->id);
1223         spin_lock_init(&zr->spinlock);
1224         mutex_init(&zr->resource_lock);
1225         mutex_init(&zr->other_lock);
1226         if (pci_enable_device(pdev))
1227                 goto zr_unreg;
1228         zr->revision = zr->pci_dev->revision;
1229
1230         dprintk(1,
1231                 KERN_INFO
1232                 "%s: Zoran ZR360%c7 (rev %d), irq: %d, memory: 0x%08llx\n",
1233                 ZR_DEVNAME(zr), zr->revision < 2 ? '5' : '6', zr->revision,
1234                 zr->pci_dev->irq, (uint64_t)pci_resource_start(zr->pci_dev, 0));
1235         if (zr->revision >= 2) {
1236                 dprintk(1,
1237                         KERN_INFO
1238                         "%s: Subsystem vendor=0x%04x id=0x%04x\n",
1239                         ZR_DEVNAME(zr), zr->pci_dev->subsystem_vendor,
1240                         zr->pci_dev->subsystem_device);
1241         }
1242
1243         /* Use auto-detected card type? */
1244         if (card[nr] == -1) {
1245                 if (zr->revision < 2) {
1246                         dprintk(1,
1247                                 KERN_ERR
1248                                 "%s: No card type specified, please use the card=X module parameter\n",
1249                                 ZR_DEVNAME(zr));
1250                         dprintk(1,
1251                                 KERN_ERR
1252                                 "%s: It is not possible to auto-detect ZR36057 based cards\n",
1253                                 ZR_DEVNAME(zr));
1254                         goto zr_unreg;
1255                 }
1256
1257                 card_num = ent->driver_data;
1258                 if (card_num >= NUM_CARDS) {
1259                         dprintk(1,
1260                                 KERN_ERR
1261                                 "%s: Unknown card, try specifying card=X module parameter\n",
1262                                 ZR_DEVNAME(zr));
1263                         goto zr_unreg;
1264                 }
1265                 dprintk(3,
1266                         KERN_DEBUG
1267                         "%s: %s() - card %s detected\n",
1268                         ZR_DEVNAME(zr), __func__, zoran_cards[card_num].name);
1269         } else {
1270                 card_num = card[nr];
1271                 if (card_num >= NUM_CARDS || card_num < 0) {
1272                         dprintk(1,
1273                                 KERN_ERR
1274                                 "%s: User specified card type %d out of range (0 .. %d)\n",
1275                                 ZR_DEVNAME(zr), card_num, NUM_CARDS - 1);
1276                         goto zr_unreg;
1277                 }
1278         }
1279
1280         /* even though we make this a non pointer and thus
1281          * theoretically allow for making changes to this struct
1282          * on a per-individual card basis at runtime, this is
1283          * strongly discouraged. This structure is intended to
1284          * keep general card information, no settings or anything */
1285         zr->card = zoran_cards[card_num];
1286         snprintf(ZR_DEVNAME(zr), sizeof(ZR_DEVNAME(zr)),
1287                  "%s[%u]", zr->card.name, zr->id);
1288
1289         zr->zr36057_mem = pci_ioremap_bar(zr->pci_dev, 0);
1290         if (!zr->zr36057_mem) {
1291                 dprintk(1, KERN_ERR "%s: %s() - ioremap failed\n",
1292                         ZR_DEVNAME(zr), __func__);
1293                 goto zr_unreg;
1294         }
1295
1296         result = request_irq(zr->pci_dev->irq, zoran_irq,
1297                              IRQF_SHARED | IRQF_DISABLED, ZR_DEVNAME(zr), zr);
1298         if (result < 0) {
1299                 if (result == -EINVAL) {
1300                         dprintk(1,
1301                                 KERN_ERR
1302                                 "%s: %s - bad irq number or handler\n",
1303                                 ZR_DEVNAME(zr), __func__);
1304                 } else if (result == -EBUSY) {
1305                         dprintk(1,
1306                                 KERN_ERR
1307                                 "%s: %s - IRQ %d busy, change your PnP config in BIOS\n",
1308                                 ZR_DEVNAME(zr), __func__, zr->pci_dev->irq);
1309                 } else {
1310                         dprintk(1,
1311                                 KERN_ERR
1312                                 "%s: %s - can't assign irq, error code %d\n",
1313                                 ZR_DEVNAME(zr), __func__, result);
1314                 }
1315                 goto zr_unmap;
1316         }
1317
1318         /* set PCI latency timer */
1319         pci_read_config_byte(zr->pci_dev, PCI_LATENCY_TIMER,
1320                              &latency);
1321         need_latency = zr->revision > 1 ? 32 : 48;
1322         if (latency != need_latency) {
1323                 dprintk(2, KERN_INFO "%s: Changing PCI latency from %d to %d\n",
1324                         ZR_DEVNAME(zr), latency, need_latency);
1325                 pci_write_config_byte(zr->pci_dev, PCI_LATENCY_TIMER,
1326                                       need_latency);
1327         }
1328
1329         zr36057_restart(zr);
1330         /* i2c */
1331         dprintk(2, KERN_INFO "%s: Initializing i2c bus...\n",
1332                 ZR_DEVNAME(zr));
1333
1334         if (zoran_register_i2c(zr) < 0) {
1335                 dprintk(1, KERN_ERR "%s: %s - can't initialize i2c bus\n",
1336                         ZR_DEVNAME(zr), __func__);
1337                 goto zr_free_irq;
1338         }
1339
1340         zr->decoder = v4l2_i2c_new_subdev(&zr->v4l2_dev,
1341                 &zr->i2c_adapter, zr->card.i2c_decoder,
1342                 0, zr->card.addrs_decoder);
1343
1344         if (zr->card.i2c_encoder)
1345                 zr->encoder = v4l2_i2c_new_subdev(&zr->v4l2_dev,
1346                         &zr->i2c_adapter, zr->card.i2c_encoder,
1347                         0, zr->card.addrs_encoder);
1348
1349         dprintk(2,
1350                 KERN_INFO "%s: Initializing videocodec bus...\n",
1351                 ZR_DEVNAME(zr));
1352
1353         if (zr->card.video_codec) {
1354                 codec_name = codecid_to_modulename(zr->card.video_codec);
1355                 if (codec_name) {
1356                         result = request_module(codec_name);
1357                         if (result) {
1358                                 dprintk(1,
1359                                         KERN_ERR
1360                                         "%s: failed to load modules %s: %d\n",
1361                                         ZR_DEVNAME(zr), codec_name, result);
1362                         }
1363                 }
1364         }
1365         if (zr->card.video_vfe) {
1366                 vfe_name = codecid_to_modulename(zr->card.video_vfe);
1367                 if (vfe_name) {
1368                         result = request_module(vfe_name);
1369                         if (result < 0) {
1370                                 dprintk(1,
1371                                         KERN_ERR
1372                                         "%s: failed to load modules %s: %d\n",
1373                                         ZR_DEVNAME(zr), vfe_name, result);
1374                         }
1375                 }
1376         }
1377
1378         /* reset JPEG codec */
1379         jpeg_codec_sleep(zr, 1);
1380         jpeg_codec_reset(zr);
1381         /* video bus enabled */
1382         /* display codec revision */
1383         if (zr->card.video_codec != 0) {
1384                 master_codec = zoran_setup_videocodec(zr, zr->card.video_codec);
1385                 if (!master_codec)
1386                         goto zr_unreg_i2c;
1387                 zr->codec = videocodec_attach(master_codec);
1388                 if (!zr->codec) {
1389                         dprintk(1, KERN_ERR "%s: %s - no codec found\n",
1390                                 ZR_DEVNAME(zr), __func__);
1391                         goto zr_free_codec;
1392                 }
1393                 if (zr->codec->type != zr->card.video_codec) {
1394                         dprintk(1, KERN_ERR "%s: %s - wrong codec\n",
1395                                 ZR_DEVNAME(zr), __func__);
1396                         goto zr_detach_codec;
1397                 }
1398         }
1399         if (zr->card.video_vfe != 0) {
1400                 master_vfe = zoran_setup_videocodec(zr, zr->card.video_vfe);
1401                 if (!master_vfe)
1402                         goto zr_detach_codec;
1403                 zr->vfe = videocodec_attach(master_vfe);
1404                 if (!zr->vfe) {
1405                         dprintk(1, KERN_ERR "%s: %s - no VFE found\n",
1406                                 ZR_DEVNAME(zr), __func__);
1407                         goto zr_free_vfe;
1408                 }
1409                 if (zr->vfe->type != zr->card.video_vfe) {
1410                         dprintk(1, KERN_ERR "%s: %s = wrong VFE\n",
1411                                 ZR_DEVNAME(zr), __func__);
1412                         goto zr_detach_vfe;
1413                 }
1414         }
1415
1416         /* take care of Natoma chipset and a revision 1 zr36057 */
1417         if ((pci_pci_problems & PCIPCI_NATOMA) && zr->revision <= 1) {
1418                 zr->jpg_buffers.need_contiguous = 1;
1419                 dprintk(1, KERN_INFO
1420                         "%s: ZR36057/Natoma bug, max. buffer size is 128K\n",
1421                         ZR_DEVNAME(zr));
1422         }
1423
1424         if (zr36057_init(zr) < 0)
1425                 goto zr_detach_vfe;
1426
1427         zoran_proc_init(zr);
1428
1429         return 0;
1430
1431 zr_detach_vfe:
1432         videocodec_detach(zr->vfe);
1433 zr_free_vfe:
1434         kfree(master_vfe);
1435 zr_detach_codec:
1436         videocodec_detach(zr->codec);
1437 zr_free_codec:
1438         kfree(master_codec);
1439 zr_unreg_i2c:
1440         zoran_unregister_i2c(zr);
1441 zr_free_irq:
1442         btwrite(0, ZR36057_SPGPPCR);
1443         free_irq(zr->pci_dev->irq, zr);
1444 zr_unmap:
1445         iounmap(zr->zr36057_mem);
1446 zr_unreg:
1447         v4l2_device_unregister(&zr->v4l2_dev);
1448 zr_free_mem:
1449         kfree(zr);
1450
1451         return -ENODEV;
1452 }
1453
1454 static struct pci_driver zoran_driver = {
1455         .name = "zr36067",
1456         .id_table = zr36067_pci_tbl,
1457         .probe = zoran_probe,
1458         .remove = __devexit_p(zoran_remove),
1459 };
1460
1461 static int __init zoran_init(void)
1462 {
1463         int res;
1464
1465         printk(KERN_INFO "Zoran MJPEG board driver version %s\n",
1466                ZORAN_VERSION);
1467
1468         /* check the parameters we have been given, adjust if necessary */
1469         if (v4l_nbufs < 2)
1470                 v4l_nbufs = 2;
1471         if (v4l_nbufs > VIDEO_MAX_FRAME)
1472                 v4l_nbufs = VIDEO_MAX_FRAME;
1473         /* The user specfies the in KB, we want them in byte
1474          * (and page aligned) */
1475         v4l_bufsize = PAGE_ALIGN(v4l_bufsize * 1024);
1476         if (v4l_bufsize < 32768)
1477                 v4l_bufsize = 32768;
1478         /* 2 MB is arbitrary but sufficient for the maximum possible images */
1479         if (v4l_bufsize > 2048 * 1024)
1480                 v4l_bufsize = 2048 * 1024;
1481         if (jpg_nbufs < 4)
1482                 jpg_nbufs = 4;
1483         if (jpg_nbufs > BUZ_MAX_FRAME)
1484                 jpg_nbufs = BUZ_MAX_FRAME;
1485         jpg_bufsize = PAGE_ALIGN(jpg_bufsize * 1024);
1486         if (jpg_bufsize < 8192)
1487                 jpg_bufsize = 8192;
1488         if (jpg_bufsize > (512 * 1024))
1489                 jpg_bufsize = 512 * 1024;
1490         /* Use parameter for vidmem or try to find a video card */
1491         if (vidmem) {
1492                 dprintk(1,
1493                         KERN_INFO
1494                         "%s: Using supplied video memory base address @ 0x%lx\n",
1495                         ZORAN_NAME, vidmem);
1496         }
1497
1498         /* some mainboards might not do PCI-PCI data transfer well */
1499         if (pci_pci_problems & (PCIPCI_FAIL|PCIAGP_FAIL|PCIPCI_ALIMAGIK)) {
1500                 dprintk(1,
1501                         KERN_WARNING
1502                         "%s: chipset does not support reliable PCI-PCI DMA\n",
1503                         ZORAN_NAME);
1504         }
1505
1506         res = pci_register_driver(&zoran_driver);
1507         if (res) {
1508                 dprintk(1,
1509                         KERN_ERR
1510                         "%s: Unable to register ZR36057 driver\n",
1511                         ZORAN_NAME);
1512                 return res;
1513         }
1514
1515         return 0;
1516 }
1517
1518 static void __exit zoran_exit(void)
1519 {
1520         pci_unregister_driver(&zoran_driver);
1521 }
1522
1523 module_init(zoran_init);
1524 module_exit(zoran_exit);