SAFE public projects git trees. - safe/jmp/linux-2.6/blob - 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
  38 #include <linux/proc_fs.h>
  39 #include <linux/i2c.h>
  40 #include <linux/i2c-algo-bit.h>
  41 #include <linux/videodev2.h>
  42 #include <linux/spinlock.h>
  43 #include <linux/sem.h>
  44 #include <linux/kmod.h>
  45 #include <linux/wait.h>
  46
  47 #include <linux/pci.h>
  48 #include <linux/interrupt.h>
  49 #include <linux/mutex.h>
  50 #include <linux/io.h>
  51 #include <media/v4l2-common.h>
  52 #include <media/bt819.h>
  53
  54 #include "videocodec.h"
  55 #include "zoran.h"
  56 #include "zoran_card.h"
  57 #include "zoran_device.h"
  58 #include "zoran_procfs.h"
  59
  60 extern const struct zoran_format zoran_formats[];
  61
  62 static int card[BUZ_MAX] = { [0 ... (BUZ_MAX-1)] = -1 };
  63 module_param_array(card, int, NULL, 0444);
  64 MODULE_PARM_DESC(card, "Card type");
  65
  66 static int encoder[BUZ_MAX] = { [0 ... (BUZ_MAX-1)] = -1 };
  67 module_param_array(encoder, int, NULL, 0444);
  68 MODULE_PARM_DESC(encoder, "Video encoder chip");
  69
  70 static int decoder[BUZ_MAX] = { [0 ... (BUZ_MAX-1)] = -1 };
  71 module_param_array(decoder, int, NULL, 0444);
  72 MODULE_PARM_DESC(decoder, "Video decoder chip");
  73
  74 /*
  75    The video mem address of the video card.
  76    The driver has a little database for some videocards
  77    to determine it from there. If your video card is not in there
  78    you have either to give it to the driver as a parameter
  79    or set in in a VIDIOCSFBUF ioctl
  80  */
  81
  82 static unsigned long vidmem;    /* default = 0 - Video memory base address */
  83 module_param(vidmem, ulong, 0444);
  84 MODULE_PARM_DESC(vidmem, "Default video memory base address");
  85
  86 /*
  87    Default input and video norm at startup of the driver.
  88 */
  89
  90 static unsigned int default_input;      /* default 0 = Composite, 1 = S-Video */
  91 module_param(default_input, uint, 0444);
  92 MODULE_PARM_DESC(default_input,
  93                  "Default input (0=Composite, 1=S-Video, 2=Internal)");
  94
  95 static int default_mux = 1;     /* 6 Eyes input selection */
  96 module_param(default_mux, int, 0644);
  97 MODULE_PARM_DESC(default_mux,
  98                  "Default 6 Eyes mux setting (Input selection)");
  99
 100 static int default_norm;        /* default 0 = PAL, 1 = NTSC 2 = SECAM */
 101 module_param(default_norm, int, 0444);
 102 MODULE_PARM_DESC(default_norm, "Default norm (0=PAL, 1=NTSC, 2=SECAM)");
 103
 104 /* /dev/videoN, -1 for autodetect */
 105 static int video_nr[BUZ_MAX] = { [0 ... (BUZ_MAX-1)] = -1 };
 106 module_param_array(video_nr, int, NULL, 0444);
 107 MODULE_PARM_DESC(video_nr, "Video device number (-1=Auto)");
 108
 109 int v4l_nbufs = 4;
 110 int v4l_bufsize = 864;          /* Everybody should be able to work with this setting */
 111 module_param(v4l_nbufs, int, 0644);
 112 MODULE_PARM_DESC(v4l_nbufs, "Maximum number of V4L buffers to use");
 113 module_param(v4l_bufsize, int, 0644);
 114 MODULE_PARM_DESC(v4l_bufsize, "Maximum size per V4L buffer (in kB)");
 115
 116 int jpg_nbufs = 32;
 117 int jpg_bufsize = 512;          /* max size for 100% quality full-PAL frame */
 118 module_param(jpg_nbufs, int, 0644);
 119 MODULE_PARM_DESC(jpg_nbufs, "Maximum number of JPG buffers to use");
 120 module_param(jpg_bufsize, int, 0644);
 121 MODULE_PARM_DESC(jpg_bufsize, "Maximum size per JPG buffer (in kB)");
 122
 123 int pass_through = 0;           /* 1=Pass through TV signal when device is not used */
 124                                 /* 0=Show color bar when device is not used (LML33: only if lml33dpath=1) */
 125 module_param(pass_through, int, 0644);
 126 MODULE_PARM_DESC(pass_through,
 127                  "Pass TV signal through to TV-out when idling");
 128
 129 int zr36067_debug = 1;
 130 module_param_named(debug, zr36067_debug, int, 0644);
 131 MODULE_PARM_DESC(debug, "Debug level (0-5)");
 132
 133 MODULE_DESCRIPTION("Zoran-36057/36067 JPEG codec driver");
 134 MODULE_AUTHOR("Serguei Miridonov");
 135 MODULE_LICENSE("GPL");
 136
 137 #define ZR_DEVICE(subven, subdev, data) { \
 138         .vendor = PCI_VENDOR_ID_ZORAN, .device = PCI_DEVICE_ID_ZORAN_36057, \
 139         .subvendor = (subven), .subdevice = (subdev), .driver_data = (data) }
 140
 141 static struct pci_device_id zr36067_pci_tbl[] = {
 142         ZR_DEVICE(PCI_VENDOR_ID_MIRO, PCI_DEVICE_ID_MIRO_DC10PLUS, DC10plus),
 143         ZR_DEVICE(PCI_VENDOR_ID_MIRO, PCI_DEVICE_ID_MIRO_DC30PLUS, DC30plus),
 144         ZR_DEVICE(PCI_VENDOR_ID_ELECTRONICDESIGNGMBH, PCI_DEVICE_ID_LML_33R10, LML33R10),
 145         ZR_DEVICE(PCI_VENDOR_ID_IOMEGA, PCI_DEVICE_ID_IOMEGA_BUZ, BUZ),
 146         ZR_DEVICE(PCI_ANY_ID, PCI_ANY_ID, NUM_CARDS),
 147         {0}
 148 };
 149 MODULE_DEVICE_TABLE(pci, zr36067_pci_tbl);
 150
 151 static unsigned int zoran_num;          /* number of cards found */
 152
 153 /* videocodec bus functions ZR36060 */
 154 static u32
 155 zr36060_read (struct videocodec *codec,
 156               u16                reg)
 157 {
 158         struct zoran *zr = (struct zoran *) codec->master_data->data;
 159         __u32 data;
 160
 161         if (post_office_wait(zr)
 162             || post_office_write(zr, 0, 1, reg >> 8)
 163             || post_office_write(zr, 0, 2, reg & 0xff)) {
 164                 return -1;
 165         }
 166
 167         data = post_office_read(zr, 0, 3) & 0xff;
 168         return data;
 169 }
 170
 171 static void
 172 zr36060_write (struct videocodec *codec,
 173                u16                reg,
 174                u32                val)
 175 {
 176         struct zoran *zr = (struct zoran *) codec->master_data->data;
 177
 178         if (post_office_wait(zr)
 179             || post_office_write(zr, 0, 1, reg >> 8)
 180             || post_office_write(zr, 0, 2, reg & 0xff)) {
 181                 return;
 182         }
 183
 184         post_office_write(zr, 0, 3, val & 0xff);
 185 }
 186
 187 /* videocodec bus functions ZR36050 */
 188 static u32
 189 zr36050_read (struct videocodec *codec,
 190               u16                reg)
 191 {
 192         struct zoran *zr = (struct zoran *) codec->master_data->data;
 193         __u32 data;
 194
 195         if (post_office_wait(zr)
 196             || post_office_write(zr, 1, 0, reg >> 2)) { // reg. HIGHBYTES
 197                 return -1;
 198         }
 199
 200         data = post_office_read(zr, 0, reg & 0x03) & 0xff;      // reg. LOWBYTES + read
 201         return data;
 202 }
 203
 204 static void
 205 zr36050_write (struct videocodec *codec,
 206                u16                reg,
 207                u32                val)
 208 {
 209         struct zoran *zr = (struct zoran *) codec->master_data->data;
 210
 211         if (post_office_wait(zr)
 212             || post_office_write(zr, 1, 0, reg >> 2)) { // reg. HIGHBYTES
 213                 return;
 214         }
 215
 216         post_office_write(zr, 0, reg & 0x03, val & 0xff);       // reg. LOWBYTES + wr. data
 217 }
 218
 219 /* videocodec bus functions ZR36016 */
 220 static u32
 221 zr36016_read (struct videocodec *codec,
 222               u16                reg)
 223 {
 224         struct zoran *zr = (struct zoran *) codec->master_data->data;
 225         __u32 data;
 226
 227         if (post_office_wait(zr)) {
 228                 return -1;
 229         }
 230
 231         data = post_office_read(zr, 2, reg & 0x03) & 0xff;      // read
 232         return data;
 233 }
 234
 235 /* hack for in zoran_device.c */
 236 void
 237 zr36016_write (struct videocodec *codec,
 238                u16                reg,
 239                u32                val)
 240 {
 241         struct zoran *zr = (struct zoran *) codec->master_data->data;
 242
 243         if (post_office_wait(zr)) {
 244                 return;
 245         }
 246
 247         post_office_write(zr, 2, reg & 0x03, val & 0x0ff);      // wr. data
 248 }
 249
 250 /*
 251  * Board specific information
 252  */
 253
 254 static void
 255 dc10_init (struct zoran *zr)
 256 {
 257         dprintk(3, KERN_DEBUG "%s: %s\n", ZR_DEVNAME(zr), __func__);
 258
 259         /* Pixel clock selection */
 260         GPIO(zr, 4, 0);
 261         GPIO(zr, 5, 1);
 262         /* Enable the video bus sync signals */
 263         GPIO(zr, 7, 0);
 264 }
 265
 266 static void
 267 dc10plus_init (struct zoran *zr)
 268 {
 269         dprintk(3, KERN_DEBUG "%s: %s\n", ZR_DEVNAME(zr), __func__);
 270 }
 271
 272 static void
 273 buz_init (struct zoran *zr)
 274 {
 275         dprintk(3, KERN_DEBUG "%s: %s\n", ZR_DEVNAME(zr), __func__);
 276
 277         /* some stuff from Iomega */
 278         pci_write_config_dword(zr->pci_dev, 0xfc, 0x90680f15);
 279         pci_write_config_dword(zr->pci_dev, 0x0c, 0x00012020);
 280         pci_write_config_dword(zr->pci_dev, 0xe8, 0xc0200000);
 281 }
 282
 283 static void
 284 lml33_init (struct zoran *zr)
 285 {
 286         dprintk(3, KERN_DEBUG "%s: %s\n", ZR_DEVNAME(zr), __func__);
 287
 288         GPIO(zr, 2, 1);         // Set Composite input/output
 289 }
 290
 291 static void
 292 avs6eyes_init (struct zoran *zr)
 293 {
 294         // AverMedia 6-Eyes original driver by Christer Weinigel
 295
 296         // Lifted straight from Christer's old driver and
 297         // modified slightly by Martin Samuelsson.
 298
 299         int mux = default_mux; /* 1 = BT866, 7 = VID1 */
 300
 301         GPIO(zr, 4, 1); /* Bt866 SLEEP on */
 302         udelay(2);
 303
 304         GPIO(zr, 0, 1); /* ZR36060 /RESET on */
 305         GPIO(zr, 1, 0); /* ZR36060 /SLEEP on */
 306         GPIO(zr, 2, mux & 1);   /* MUX S0 */
 307         GPIO(zr, 3, 0); /* /FRAME on */
 308         GPIO(zr, 4, 0); /* Bt866 SLEEP off */
 309         GPIO(zr, 5, mux & 2);   /* MUX S1 */
 310         GPIO(zr, 6, 0); /* ? */
 311         GPIO(zr, 7, mux & 4);   /* MUX S2 */
 312
 313 }
 314
 315 static char *
 316 codecid_to_modulename (u16 codecid)
 317 {
 318         char *name = NULL;
 319
 320         switch (codecid) {
 321         case CODEC_TYPE_ZR36060:
 322                 name = "zr36060";
 323                 break;
 324         case CODEC_TYPE_ZR36050:
 325                 name = "zr36050";
 326                 break;
 327         case CODEC_TYPE_ZR36016:
 328                 name = "zr36016";
 329                 break;
 330         }
 331
 332         return name;
 333 }
 334
 335 // struct tvnorm {
 336 //      u16 Wt, Wa, HStart, HSyncStart, Ht, Ha, VStart;
 337 // };
 338
 339 static struct tvnorm f50sqpixel = { 944, 768, 83, 880, 625, 576, 16 };
 340 static struct tvnorm f60sqpixel = { 780, 640, 51, 716, 525, 480, 12 };
 341 static struct tvnorm f50ccir601 = { 864, 720, 75, 804, 625, 576, 18 };
 342 static struct tvnorm f60ccir601 = { 858, 720, 57, 788, 525, 480, 16 };
 343
 344 static struct tvnorm f50ccir601_lml33 = { 864, 720, 75+34, 804, 625, 576, 18 };
 345 static struct tvnorm f60ccir601_lml33 = { 858, 720, 57+34, 788, 525, 480, 16 };
 346
 347 /* The DC10 (57/16/50) uses VActive as HSync, so HStart must be 0 */
 348 static struct tvnorm f50sqpixel_dc10 = { 944, 768, 0, 880, 625, 576, 0 };
 349 static struct tvnorm f60sqpixel_dc10 = { 780, 640, 0, 716, 525, 480, 12 };
 350
 351 /* FIXME: I cannot swap U and V in saa7114, so i do one
 352  * pixel left shift in zoran (75 -> 74)
 353  * (Maxim Yevtyushkin <max@linuxmedialabs.com>) */
 354 static struct tvnorm f50ccir601_lm33r10 = { 864, 720, 74+54, 804, 625, 576, 18 };
 355 static struct tvnorm f60ccir601_lm33r10 = { 858, 720, 56+54, 788, 525, 480, 16 };
 356
 357 /* FIXME: The ks0127 seem incapable of swapping U and V, too, which is why I
 358  * copy Maxim's left shift hack for the 6 Eyes.
 359  *
 360  * Christer's driver used the unshifted norms, though...
 361  * /Sam  */
 362 static struct tvnorm f50ccir601_avs6eyes = { 864, 720, 74, 804, 625, 576, 18 };
 363 static struct tvnorm f60ccir601_avs6eyes = { 858, 720, 56, 788, 525, 480, 16 };
 364
 365 static const unsigned short vpx3220_addrs[] = { 0x43, 0x47, I2C_CLIENT_END };
 366 static const unsigned short saa7110_addrs[] = { 0x4e, 0x4f, I2C_CLIENT_END };
 367 static const unsigned short saa7111_addrs[] = { 0x25, 0x24, I2C_CLIENT_END };
 368 static const unsigned short saa7114_addrs[] = { 0x21, 0x20, I2C_CLIENT_END };
 369 static const unsigned short adv717x_addrs[] = { 0x6a, 0x6b, 0x2a, 0x2b, I2C_CLIENT_END };
 370 static const unsigned short ks0127_addrs[] = { 0x6c, 0x6d, I2C_CLIENT_END };
 371 static const unsigned short saa7185_addrs[] = { 0x44, I2C_CLIENT_END };
 372 static const unsigned short bt819_addrs[] = { 0x45, I2C_CLIENT_END };
 373 static const unsigned short bt856_addrs[] = { 0x44, I2C_CLIENT_END };
 374 static const unsigned short bt866_addrs[] = { 0x44, I2C_CLIENT_END };
 375
 376 static struct card_info zoran_cards[NUM_CARDS] __devinitdata = {
 377         {
 378                 .type = DC10_old,
 379                 .name = "DC10(old)",
 380                 .i2c_decoder = "vpx3220a",
 381                 .mod_decoder = "vpx3220",
 382                 .addrs_decoder = vpx3220_addrs,
 383                 .video_codec = CODEC_TYPE_ZR36050,
 384                 .video_vfe = CODEC_TYPE_ZR36016,
 385
 386                 .inputs = 3,
 387                 .input = {
 388                         { 1, "Composite" },
 389                         { 2, "S-Video" },
 390                         { 0, "Internal/comp" }
 391                 },
 392                 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
 393                 .tvn = {
 394                         &f50sqpixel_dc10,
 395                         &f60sqpixel_dc10,
 396                         &f50sqpixel_dc10
 397                 },
 398                 .jpeg_int = 0,
 399                 .vsync_int = ZR36057_ISR_GIRQ1,
 400                 .gpio = { 2, 1, -1, 3, 7, 0, 4, 5 },
 401                 .gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 },
 402                 .gpcs = { -1, 0 },
 403                 .vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
 404                 .gws_not_connected = 0,
 405                 .input_mux = 0,
 406                 .init = &dc10_init,
 407         }, {
 408                 .type = DC10_new,
 409                 .name = "DC10(new)",
 410                 .i2c_decoder = "saa7110",
 411                 .mod_decoder = "saa7110",
 412                 .addrs_decoder = saa7110_addrs,
 413                 .i2c_encoder = "adv7175",
 414                 .mod_encoder = "adv7175",
 415                 .addrs_encoder = adv717x_addrs,
 416                 .video_codec = CODEC_TYPE_ZR36060,
 417
 418                 .inputs = 3,
 419                 .input = {
 420                                 { 0, "Composite" },
 421                                 { 7, "S-Video" },
 422                                 { 5, "Internal/comp" }
 423                         },
 424                 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
 425                 .tvn = {
 426                                 &f50sqpixel,
 427                                 &f60sqpixel,
 428                                 &f50sqpixel},
 429                 .jpeg_int = ZR36057_ISR_GIRQ0,
 430                 .vsync_int = ZR36057_ISR_GIRQ1,
 431                 .gpio = { 3, 0, 6, 1, 2, -1, 4, 5 },
 432                 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
 433                 .gpcs = { -1, 1},
 434                 .vfe_pol = { 1, 1, 1, 1, 0, 0, 0, 0 },
 435                 .gws_not_connected = 0,
 436                 .input_mux = 0,
 437                 .init = &dc10plus_init,
 438         }, {
 439                 .type = DC10plus,
 440                 .name = "DC10plus",
 441                 .i2c_decoder = "saa7110",
 442                 .mod_decoder = "saa7110",
 443                 .addrs_decoder = saa7110_addrs,
 444                 .i2c_encoder = "adv7175",
 445                 .mod_encoder = "adv7175",
 446                 .addrs_encoder = adv717x_addrs,
 447                 .video_codec = CODEC_TYPE_ZR36060,
 448
 449                 .inputs = 3,
 450                 .input = {
 451                         { 0, "Composite" },
 452                         { 7, "S-Video" },
 453                         { 5, "Internal/comp" }
 454                 },
 455                 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
 456                 .tvn = {
 457                         &f50sqpixel,
 458                         &f60sqpixel,
 459                         &f50sqpixel
 460                 },
 461                 .jpeg_int = ZR36057_ISR_GIRQ0,
 462                 .vsync_int = ZR36057_ISR_GIRQ1,
 463                 .gpio = { 3, 0, 6, 1, 2, -1, 4, 5 },
 464                 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
 465                 .gpcs = { -1, 1 },
 466                 .vfe_pol = { 1, 1, 1, 1, 0, 0, 0, 0 },
 467                 .gws_not_connected = 0,
 468                 .input_mux = 0,
 469                 .init = &dc10plus_init,
 470         }, {
 471                 .type = DC30,
 472                 .name = "DC30",
 473                 .i2c_decoder = "vpx3220a",
 474                 .mod_decoder = "vpx3220",
 475                 .addrs_decoder = vpx3220_addrs,
 476                 .i2c_encoder = "adv7175",
 477                 .mod_encoder = "adv7175",
 478                 .addrs_encoder = adv717x_addrs,
 479                 .video_codec = CODEC_TYPE_ZR36050,
 480                 .video_vfe = CODEC_TYPE_ZR36016,
 481
 482                 .inputs = 3,
 483                 .input = {
 484                         { 1, "Composite" },
 485                         { 2, "S-Video" },
 486                         { 0, "Internal/comp" }
 487                 },
 488                 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
 489                 .tvn = {
 490                         &f50sqpixel_dc10,
 491                         &f60sqpixel_dc10,
 492                         &f50sqpixel_dc10
 493                 },
 494                 .jpeg_int = 0,
 495                 .vsync_int = ZR36057_ISR_GIRQ1,
 496                 .gpio = { 2, 1, -1, 3, 7, 0, 4, 5 },
 497                 .gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 },
 498                 .gpcs = { -1, 0 },
 499                 .vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
 500                 .gws_not_connected = 0,
 501                 .input_mux = 0,
 502                 .init = &dc10_init,
 503         }, {
 504                 .type = DC30plus,
 505                 .name = "DC30plus",
 506                 .i2c_decoder = "vpx3220a",
 507                 .mod_decoder = "vpx3220",
 508                 .addrs_decoder = vpx3220_addrs,
 509                 .i2c_encoder = "adv7175",
 510                 .mod_encoder = "adv7175",
 511                 .addrs_encoder = adv717x_addrs,
 512                 .video_codec = CODEC_TYPE_ZR36050,
 513                 .video_vfe = CODEC_TYPE_ZR36016,
 514
 515                 .inputs = 3,
 516                 .input = {
 517                         { 1, "Composite" },
 518                         { 2, "S-Video" },
 519                         { 0, "Internal/comp" }
 520                 },
 521                 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
 522                 .tvn = {
 523                         &f50sqpixel_dc10,
 524                         &f60sqpixel_dc10,
 525                         &f50sqpixel_dc10
 526                 },
 527                 .jpeg_int = 0,
 528                 .vsync_int = ZR36057_ISR_GIRQ1,
 529                 .gpio = { 2, 1, -1, 3, 7, 0, 4, 5 },
 530                 .gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 },
 531                 .gpcs = { -1, 0 },
 532                 .vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
 533                 .gws_not_connected = 0,
 534                 .input_mux = 0,
 535                 .init = &dc10_init,
 536         }, {
 537                 .type = LML33,
 538                 .name = "LML33",
 539                 .i2c_decoder = "bt819a",
 540                 .mod_decoder = "bt819",
 541                 .addrs_decoder = bt819_addrs,
 542                 .i2c_encoder = "bt856",
 543                 .mod_encoder = "bt856",
 544                 .addrs_encoder = bt856_addrs,
 545                 .video_codec = CODEC_TYPE_ZR36060,
 546
 547                 .inputs = 2,
 548                 .input = {
 549                         { 0, "Composite" },
 550                         { 7, "S-Video" }
 551                 },
 552                 .norms = V4L2_STD_NTSC|V4L2_STD_PAL,
 553                 .tvn = {
 554                         &f50ccir601_lml33,
 555                         &f60ccir601_lml33,
 556                         NULL
 557                 },
 558                 .jpeg_int = ZR36057_ISR_GIRQ1,
 559                 .vsync_int = ZR36057_ISR_GIRQ0,
 560                 .gpio = { 1, -1, 3, 5, 7, -1, -1, -1 },
 561                 .gpio_pol = { 0, 0, 0, 0, 1, 0, 0, 0 },
 562                 .gpcs = { 3, 1 },
 563                 .vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 },
 564                 .gws_not_connected = 1,
 565                 .input_mux = 0,
 566                 .init = &lml33_init,
 567         }, {
 568                 .type = LML33R10,
 569                 .name = "LML33R10",
 570                 .i2c_decoder = "saa7114",
 571                 .mod_decoder = "saa7115",
 572                 .addrs_decoder = saa7114_addrs,
 573                 .i2c_encoder = "adv7170",
 574                 .mod_encoder = "adv7170",
 575                 .addrs_encoder = adv717x_addrs,
 576                 .video_codec = CODEC_TYPE_ZR36060,
 577
 578                 .inputs = 2,
 579                 .input = {
 580                         { 0, "Composite" },
 581                         { 7, "S-Video" }
 582                 },
 583                 .norms = V4L2_STD_NTSC|V4L2_STD_PAL,
 584                 .tvn = {
 585                         &f50ccir601_lm33r10,
 586                         &f60ccir601_lm33r10,
 587                         NULL
 588                 },
 589                 .jpeg_int = ZR36057_ISR_GIRQ1,
 590                 .vsync_int = ZR36057_ISR_GIRQ0,
 591                 .gpio = { 1, -1, 3, 5, 7, -1, -1, -1 },
 592                 .gpio_pol = { 0, 0, 0, 0, 1, 0, 0, 0 },
 593                 .gpcs = { 3, 1 },
 594                 .vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 },
 595                 .gws_not_connected = 1,
 596                 .input_mux = 0,
 597                 .init = &lml33_init,
 598         }, {
 599                 .type = BUZ,
 600                 .name = "Buz",
 601                 .i2c_decoder = "saa7111",
 602                 .mod_decoder = "saa7115",
 603                 .addrs_decoder = saa7111_addrs,
 604                 .i2c_encoder = "saa7185",
 605                 .mod_encoder = "saa7185",
 606                 .addrs_encoder = saa7185_addrs,
 607                 .video_codec = CODEC_TYPE_ZR36060,
 608
 609                 .inputs = 2,
 610                 .input = {
 611                         { 3, "Composite" },
 612                         { 7, "S-Video" }
 613                 },
 614                 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
 615                 .tvn = {
 616                         &f50ccir601,
 617                         &f60ccir601,
 618                         &f50ccir601
 619                 },
 620                 .jpeg_int = ZR36057_ISR_GIRQ1,
 621                 .vsync_int = ZR36057_ISR_GIRQ0,
 622                 .gpio = { 1, -1, 3, -1, -1, -1, -1, -1 },
 623                 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
 624                 .gpcs = { 3, 1 },
 625                 .vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 },
 626                 .gws_not_connected = 1,
 627                 .input_mux = 0,
 628                 .init = &buz_init,
 629         }, {
 630                 .type = AVS6EYES,
 631                 .name = "6-Eyes",
 632                 /* AverMedia chose not to brand the 6-Eyes. Thus it
 633                    can't be autodetected, and requires card=x. */
 634                 .i2c_decoder = "ks0127",
 635                 .mod_decoder = "ks0127",
 636                 .addrs_decoder = ks0127_addrs,
 637                 .i2c_encoder = "bt866",
 638                 .mod_encoder = "bt866",
 639                 .addrs_encoder = bt866_addrs,
 640                 .video_codec = CODEC_TYPE_ZR36060,
 641
 642                 .inputs = 10,
 643                 .input = {
 644                         { 0, "Composite 1" },
 645                         { 1, "Composite 2" },
 646                         { 2, "Composite 3" },
 647                         { 4, "Composite 4" },
 648                         { 5, "Composite 5" },
 649                         { 6, "Composite 6" },
 650                         { 8, "S-Video 1" },
 651                         { 9, "S-Video 2" },
 652                         {10, "S-Video 3" },
 653                         {15, "YCbCr" }
 654                 },
 655                 .norms = V4L2_STD_NTSC|V4L2_STD_PAL,
 656                 .tvn = {
 657                         &f50ccir601_avs6eyes,
 658                         &f60ccir601_avs6eyes,
 659                         NULL
 660                 },
 661                 .jpeg_int = ZR36057_ISR_GIRQ1,
 662                 .vsync_int = ZR36057_ISR_GIRQ0,
 663                 .gpio = { 1, 0, 3, -1, -1, -1, -1, -1 },// Validity unknown /Sam
 664                 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 }, // Validity unknown /Sam
 665                 .gpcs = { 3, 1 },                       // Validity unknown /Sam
 666                 .vfe_pol = { 1, 0, 0, 0, 0, 1, 0, 0 },  // Validity unknown /Sam
 667                 .gws_not_connected = 1,
 668                 .input_mux = 1,
 669                 .init = &avs6eyes_init,
 670         }
 671
 672 };
 673
 674 /*
 675  * I2C functions
 676  */
 677 /* software I2C functions */
 678 static int
 679 zoran_i2c_getsda (void *data)
 680 {
 681         struct zoran *zr = (struct zoran *) data;
 682
 683         return (btread(ZR36057_I2CBR) >> 1) & 1;
 684 }
 685
 686 static int
 687 zoran_i2c_getscl (void *data)
 688 {
 689         struct zoran *zr = (struct zoran *) data;
 690
 691         return btread(ZR36057_I2CBR) & 1;
 692 }
 693
 694 static void
 695 zoran_i2c_setsda (void *data,
 696                   int   state)
 697 {
 698         struct zoran *zr = (struct zoran *) data;
 699
 700         if (state)
 701                 zr->i2cbr |= 2;
 702         else
 703                 zr->i2cbr &= ~2;
 704         btwrite(zr->i2cbr, ZR36057_I2CBR);
 705 }
 706
 707 static void
 708 zoran_i2c_setscl (void *data,
 709                   int   state)
 710 {
 711         struct zoran *zr = (struct zoran *) data;
 712
 713         if (state)
 714                 zr->i2cbr |= 1;
 715         else
 716                 zr->i2cbr &= ~1;
 717         btwrite(zr->i2cbr, ZR36057_I2CBR);
 718 }
 719
 720 static const struct i2c_algo_bit_data zoran_i2c_bit_data_template = {
 721         .setsda = zoran_i2c_setsda,
 722         .setscl = zoran_i2c_setscl,
 723         .getsda = zoran_i2c_getsda,
 724         .getscl = zoran_i2c_getscl,
 725         .udelay = 10,
 726         .timeout = 100,
 727 };
 728
 729 static int
 730 zoran_register_i2c (struct zoran *zr)
 731 {
 732         memcpy(&zr->i2c_algo, &zoran_i2c_bit_data_template,
 733                sizeof(struct i2c_algo_bit_data));
 734         zr->i2c_algo.data = zr;
 735         zr->i2c_adapter.id = I2C_HW_B_ZR36067;
 736         strlcpy(zr->i2c_adapter.name, ZR_DEVNAME(zr),
 737                 sizeof(zr->i2c_adapter.name));
 738         i2c_set_adapdata(&zr->i2c_adapter, &zr->v4l2_dev);
 739         zr->i2c_adapter.algo_data = &zr->i2c_algo;
 740         zr->i2c_adapter.dev.parent = &zr->pci_dev->dev;
 741         return i2c_bit_add_bus(&zr->i2c_adapter);
 742 }
 743
 744 static void
 745 zoran_unregister_i2c (struct zoran *zr)
 746 {
 747         i2c_del_adapter(&zr->i2c_adapter);
 748 }
 749
 750 /* Check a zoran_params struct for correctness, insert default params */
 751
 752 int
 753 zoran_check_jpg_settings (struct zoran              *zr,
 754                           struct zoran_jpg_settings *settings,
 755                           int try)
 756 {
 757         int err = 0, err0 = 0;
 758
 759         dprintk(4,
 760                 KERN_DEBUG
 761                 "%s: %s - dec: %d, Hdcm: %d, Vdcm: %d, Tdcm: %d\n",
 762                 ZR_DEVNAME(zr), __func__, settings->decimation, settings->HorDcm,
 763                 settings->VerDcm, settings->TmpDcm);
 764         dprintk(4,
 765                 KERN_DEBUG
 766                 "%s: %s - x: %d, y: %d, w: %d, y: %d\n",
 767                 ZR_DEVNAME(zr), __func__, settings->img_x, settings->img_y,
 768                 settings->img_width, settings->img_height);
 769         /* Check decimation, set default values for decimation = 1, 2, 4 */
 770         switch (settings->decimation) {
 771         case 1:
 772
 773                 settings->HorDcm = 1;
 774                 settings->VerDcm = 1;
 775                 settings->TmpDcm = 1;
 776                 settings->field_per_buff = 2;
 777                 settings->img_x = 0;
 778                 settings->img_y = 0;
 779                 settings->img_width = BUZ_MAX_WIDTH;
 780                 settings->img_height = BUZ_MAX_HEIGHT / 2;
 781                 break;
 782         case 2:
 783
 784                 settings->HorDcm = 2;
 785                 settings->VerDcm = 1;
 786                 settings->TmpDcm = 2;
 787                 settings->field_per_buff = 1;
 788                 settings->img_x = (BUZ_MAX_WIDTH == 720) ? 8 : 0;
 789                 settings->img_y = 0;
 790                 settings->img_width =
 791                     (BUZ_MAX_WIDTH == 720) ? 704 : BUZ_MAX_WIDTH;
 792                 settings->img_height = BUZ_MAX_HEIGHT / 2;
 793                 break;
 794         case 4:
 795
 796                 if (zr->card.type == DC10_new) {
 797                         dprintk(1,
 798                                 KERN_DEBUG
 799                                 "%s: %s - HDec by 4 is not supported on the DC10\n",
 800                                 ZR_DEVNAME(zr), __func__);
 801                         err0++;
 802                         break;
 803                 }
 804
 805                 settings->HorDcm = 4;
 806                 settings->VerDcm = 2;
 807                 settings->TmpDcm = 2;
 808                 settings->field_per_buff = 1;
 809                 settings->img_x = (BUZ_MAX_WIDTH == 720) ? 8 : 0;
 810                 settings->img_y = 0;
 811                 settings->img_width =
 812                     (BUZ_MAX_WIDTH == 720) ? 704 : BUZ_MAX_WIDTH;
 813                 settings->img_height = BUZ_MAX_HEIGHT / 2;
 814                 break;
 815         case 0:
 816
 817                 /* We have to check the data the user has set */
 818
 819                 if (settings->HorDcm != 1 && settings->HorDcm != 2 &&
 820                     (zr->card.type == DC10_new || settings->HorDcm != 4)) {
 821                         settings->HorDcm = clamp(settings->HorDcm, 1, 2);
 822                         err0++;
 823                 }
 824                 if (settings->VerDcm != 1 && settings->VerDcm != 2) {
 825                         settings->VerDcm = clamp(settings->VerDcm, 1, 2);
 826                         err0++;
 827                 }
 828                 if (settings->TmpDcm != 1 && settings->TmpDcm != 2) {
 829                         settings->TmpDcm = clamp(settings->TmpDcm, 1, 2);
 830                         err0++;
 831                 }
 832                 if (settings->field_per_buff != 1 &&
 833                     settings->field_per_buff != 2) {
 834                         settings->field_per_buff = clamp(settings->field_per_buff, 1, 2);
 835                         err0++;
 836                 }
 837                 if (settings->img_x < 0) {
 838                         settings->img_x = 0;
 839                         err0++;
 840                 }
 841                 if (settings->img_y < 0) {
 842                         settings->img_y = 0;
 843                         err0++;
 844                 }
 845                 if (settings->img_width < 0 || settings->img_width > BUZ_MAX_WIDTH) {
 846                         settings->img_width = clamp(settings->img_width, 0, (int)BUZ_MAX_WIDTH);
 847                         err0++;
 848                 }
 849                 if (settings->img_height < 0 || settings->img_height > BUZ_MAX_HEIGHT / 2) {
 850                         settings->img_height = clamp(settings->img_height, 0, BUZ_MAX_HEIGHT / 2);
 851                         err0++;
 852                 }
 853                 if (settings->img_x + settings->img_width > BUZ_MAX_WIDTH) {
 854                         settings->img_x = BUZ_MAX_WIDTH - settings->img_width;
 855                         err0++;
 856                 }
 857                 if (settings->img_y + settings->img_height > BUZ_MAX_HEIGHT / 2) {
 858                         settings->img_y = BUZ_MAX_HEIGHT / 2 - settings->img_height;
 859                         err0++;
 860                 }
 861                 if (settings->img_width % (16 * settings->HorDcm) != 0) {
 862                         settings->img_width -= settings->img_width % (16 * settings->HorDcm);
 863                         if (settings->img_width == 0)
 864                                 settings->img_width = 16 * settings->HorDcm;
 865                         err0++;
 866                 }
 867                 if (settings->img_height % (8 * settings->VerDcm) != 0) {
 868                         settings->img_height -= settings->img_height % (8 * settings->VerDcm);
 869                         if (settings->img_height == 0)
 870                                 settings->img_height = 8 * settings->VerDcm;
 871                         err0++;
 872                 }
 873
 874                 if (!try && err0) {
 875                         dprintk(1,
 876                                 KERN_ERR
 877                                 "%s: %s - error in params for decimation = 0\n",
 878                                 ZR_DEVNAME(zr), __func__);
 879                         err++;
 880                 }
 881                 break;
 882         default:
 883                 dprintk(1,
 884                         KERN_ERR
 885                         "%s: %s - decimation = %d, must be 0, 1, 2 or 4\n",
 886                         ZR_DEVNAME(zr), __func__, settings->decimation);
 887                 err++;
 888                 break;
 889         }
 890
 891         if (settings->jpg_comp.quality > 100)
 892                 settings->jpg_comp.quality = 100;
 893         if (settings->jpg_comp.quality < 5)
 894                 settings->jpg_comp.quality = 5;
 895         if (settings->jpg_comp.APPn < 0)
 896                 settings->jpg_comp.APPn = 0;
 897         if (settings->jpg_comp.APPn > 15)
 898                 settings->jpg_comp.APPn = 15;
 899         if (settings->jpg_comp.APP_len < 0)
 900                 settings->jpg_comp.APP_len = 0;
 901         if (settings->jpg_comp.APP_len > 60)
 902                 settings->jpg_comp.APP_len = 60;
 903         if (settings->jpg_comp.COM_len < 0)
 904                 settings->jpg_comp.COM_len = 0;
 905         if (settings->jpg_comp.COM_len > 60)
 906                 settings->jpg_comp.COM_len = 60;
 907         if (err)
 908                 return -EINVAL;
 909         return 0;
 910 }
 911
 912 void
 913 zoran_open_init_params (struct zoran *zr)
 914 {
 915         int i;
 916
 917         /* User must explicitly set a window */
 918         zr->overlay_settings.is_set = 0;
 919         zr->overlay_mask = NULL;
 920         zr->overlay_active = ZORAN_FREE;
 921
 922         zr->v4l_memgrab_active = 0;
 923         zr->v4l_overlay_active = 0;
 924         zr->v4l_grab_frame = NO_GRAB_ACTIVE;
 925         zr->v4l_grab_seq = 0;
 926         zr->v4l_settings.width = 192;
 927         zr->v4l_settings.height = 144;
 928         zr->v4l_settings.format = &zoran_formats[7];    /* YUY2 - YUV-4:2:2 packed */
 929         zr->v4l_settings.bytesperline =
 930             zr->v4l_settings.width *
 931             ((zr->v4l_settings.format->depth + 7) / 8);
 932
 933         /* DMA ring stuff for V4L */
 934         zr->v4l_pend_tail = 0;
 935         zr->v4l_pend_head = 0;
 936         zr->v4l_sync_tail = 0;
 937         zr->v4l_buffers.active = ZORAN_FREE;
 938         for (i = 0; i < VIDEO_MAX_FRAME; i++) {
 939                 zr->v4l_buffers.buffer[i].state = BUZ_STATE_USER;       /* nothing going on */
 940         }
 941         zr->v4l_buffers.allocated = 0;
 942
 943         for (i = 0; i < BUZ_MAX_FRAME; i++) {
 944                 zr->jpg_buffers.buffer[i].state = BUZ_STATE_USER;       /* nothing going on */
 945         }
 946         zr->jpg_buffers.active = ZORAN_FREE;
 947         zr->jpg_buffers.allocated = 0;
 948         /* Set necessary params and call zoran_check_jpg_settings to set the defaults */
 949         zr->jpg_settings.decimation = 1;
 950         zr->jpg_settings.jpg_comp.quality = 50; /* default compression factor 8 */
 951         if (zr->card.type != BUZ)
 952                 zr->jpg_settings.odd_even = 1;
 953         else
 954                 zr->jpg_settings.odd_even = 0;
 955         zr->jpg_settings.jpg_comp.APPn = 0;
 956         zr->jpg_settings.jpg_comp.APP_len = 0;  /* No APPn marker */
 957         memset(zr->jpg_settings.jpg_comp.APP_data, 0,
 958                sizeof(zr->jpg_settings.jpg_comp.APP_data));
 959         zr->jpg_settings.jpg_comp.COM_len = 0;  /* No COM marker */
 960         memset(zr->jpg_settings.jpg_comp.COM_data, 0,
 961                sizeof(zr->jpg_settings.jpg_comp.COM_data));
 962         zr->jpg_settings.jpg_comp.jpeg_markers =
 963             JPEG_MARKER_DHT | JPEG_MARKER_DQT;
 964         i = zoran_check_jpg_settings(zr, &zr->jpg_settings, 0);
 965         if (i)
 966                 dprintk(1, KERN_ERR "%s: %s internal error\n",
 967                         ZR_DEVNAME(zr), __func__);
 968
 969         clear_interrupt_counters(zr);
 970         zr->testing = 0;
 971 }
 972
 973 static void __devinit
 974 test_interrupts (struct zoran *zr)
 975 {
 976         DEFINE_WAIT(wait);
 977         int timeout, icr;
 978
 979         clear_interrupt_counters(zr);
 980
 981         zr->testing = 1;
 982         icr = btread(ZR36057_ICR);
 983         btwrite(0x78000000 | ZR36057_ICR_IntPinEn, ZR36057_ICR);
 984         prepare_to_wait(&zr->test_q, &wait, TASK_INTERRUPTIBLE);
 985         timeout = schedule_timeout(HZ);
 986         finish_wait(&zr->test_q, &wait);
 987         btwrite(0, ZR36057_ICR);
 988         btwrite(0x78000000, ZR36057_ISR);
 989         zr->testing = 0;
 990         dprintk(5, KERN_INFO "%s: Testing interrupts...\n", ZR_DEVNAME(zr));
 991         if (timeout) {
 992                 dprintk(1, ": time spent: %d\n", 1 * HZ - timeout);
 993         }
 994         if (zr36067_debug > 1)
 995                 print_interrupts(zr);
 996         btwrite(icr, ZR36057_ICR);
 997 }
 998
 999 static int __devinit
1000 zr36057_init (struct zoran *zr)
1001 {
1002         int j, err;
1003
1004         dprintk(1,
1005                 KERN_INFO
1006                 "%s: %s - initializing card[%d], zr=%p\n",
1007                 ZR_DEVNAME(zr), __func__, zr->id, zr);
1008
1009         /* default setup of all parameters which will persist between opens */
1010         zr->user = 0;
1011
1012         init_waitqueue_head(&zr->v4l_capq);
1013         init_waitqueue_head(&zr->jpg_capq);
1014         init_waitqueue_head(&zr->test_q);
1015         zr->jpg_buffers.allocated = 0;
1016         zr->v4l_buffers.allocated = 0;
1017
1018         zr->vbuf_base = (void *) vidmem;
1019         zr->vbuf_width = 0;
1020         zr->vbuf_height = 0;
1021         zr->vbuf_depth = 0;
1022         zr->vbuf_bytesperline = 0;
1023
1024         /* Avoid nonsense settings from user for default input/norm */
1025         if (default_norm < 0 && default_norm > 2)
1026                 default_norm = 0;
1027         if (default_norm == 0) {
1028                 zr->norm = V4L2_STD_PAL;
1029                 zr->timing = zr->card.tvn[0];
1030         } else if (default_norm == 1) {
1031                 zr->norm = V4L2_STD_NTSC;
1032                 zr->timing = zr->card.tvn[1];
1033         } else {
1034                 zr->norm = V4L2_STD_SECAM;
1035                 zr->timing = zr->card.tvn[2];
1036         }
1037         if (zr->timing == NULL) {
1038                 dprintk(1,
1039                         KERN_WARNING
1040                         "%s: %s - default TV standard not supported by hardware. PAL will be used.\n",
1041                         ZR_DEVNAME(zr), __func__);
1042                 zr->norm = V4L2_STD_PAL;
1043                 zr->timing = zr->card.tvn[0];
1044         }
1045
1046         if (default_input > zr->card.inputs-1) {
1047                 dprintk(1,
1048                         KERN_WARNING
1049                         "%s: default_input value %d out of range (0-%d)\n",
1050                         ZR_DEVNAME(zr), default_input, zr->card.inputs-1);
1051                 default_input = 0;
1052         }
1053         zr->input = default_input;
1054
1055         /* default setup (will be repeated at every open) */
1056         zoran_open_init_params(zr);
1057
1058         /* allocate memory *before* doing anything to the hardware
1059          * in case allocation fails */
1060         zr->stat_com = kzalloc(BUZ_NUM_STAT_COM * 4, GFP_KERNEL);
1061         zr->video_dev = kmalloc(sizeof(struct video_device), GFP_KERNEL);
1062         if (!zr->stat_com || !zr->video_dev) {
1063                 dprintk(1,
1064                         KERN_ERR
1065                         "%s: %s - kmalloc (STAT_COM) failed\n",
1066                         ZR_DEVNAME(zr), __func__);
1067                 err = -ENOMEM;
1068                 goto exit_free;
1069         }
1070         for (j = 0; j < BUZ_NUM_STAT_COM; j++) {
1071                 zr->stat_com[j] = cpu_to_le32(1); /* mark as unavailable to zr36057 */
1072         }
1073
1074         /*
1075          *   Now add the template and register the device unit.
1076          */
1077         memcpy(zr->video_dev, &zoran_template, sizeof(zoran_template));
1078         zr->video_dev->parent = &zr->pci_dev->dev;
1079         strcpy(zr->video_dev->name, ZR_DEVNAME(zr));
1080         err = video_register_device(zr->video_dev, VFL_TYPE_GRABBER, video_nr[zr->id]);
1081         if (err < 0)
1082                 goto exit_free;
1083         video_set_drvdata(zr->video_dev, zr);
1084
1085         zoran_init_hardware(zr);
1086         if (zr36067_debug > 2)
1087                 detect_guest_activity(zr);
1088         test_interrupts(zr);
1089         if (!pass_through) {
1090                 struct v4l2_routing route = { 2, 0 };
1091
1092                 decoder_call(zr, video, s_stream, 0);
1093                 encoder_call(zr, video, s_routing, &route);
1094         }
1095
1096         zr->zoran_proc = NULL;
1097         zr->initialized = 1;
1098         return 0;
1099
1100 exit_free:
1101         kfree(zr->stat_com);
1102         kfree(zr->video_dev);
1103         return err;
1104 }
1105
1106 static void __devexit zoran_remove(struct pci_dev *pdev)
1107 {
1108         struct v4l2_device *v4l2_dev = dev_get_drvdata(&pdev->dev);
1109         struct zoran *zr = to_zoran(v4l2_dev);
1110
1111         if (!zr->initialized)
1112                 goto exit_free;
1113
1114         /* unregister videocodec bus */
1115         if (zr->codec) {
1116                 struct videocodec_master *master = zr->codec->master_data;
1117
1118                 videocodec_detach(zr->codec);
1119                 kfree(master);
1120         }
1121         if (zr->vfe) {
1122                 struct videocodec_master *master = zr->vfe->master_data;
1123
1124                 videocodec_detach(zr->vfe);
1125                 kfree(master);
1126         }
1127
1128         /* unregister i2c bus */
1129         zoran_unregister_i2c(zr);
1130         /* disable PCI bus-mastering */
1131         zoran_set_pci_master(zr, 0);
1132         /* put chip into reset */
1133         btwrite(0, ZR36057_SPGPPCR);
1134         free_irq(zr->pci_dev->irq, zr);
1135         /* unmap and free memory */
1136         kfree(zr->stat_com);
1137         zoran_proc_cleanup(zr);
1138         iounmap(zr->zr36057_mem);
1139         pci_disable_device(zr->pci_dev);
1140         video_unregister_device(zr->video_dev);
1141 exit_free:
1142         v4l2_device_unregister(&zr->v4l2_dev);
1143         kfree(zr);
1144 }
1145
1146 void
1147 zoran_vdev_release (struct video_device *vdev)
1148 {
1149         kfree(vdev);
1150 }
1151
1152 static struct videocodec_master * __devinit
1153 zoran_setup_videocodec (struct zoran *zr,
1154                         int           type)
1155 {
1156         struct videocodec_master *m = NULL;
1157
1158         m = kmalloc(sizeof(struct videocodec_master), GFP_KERNEL);
1159         if (!m) {
1160                 dprintk(1, KERN_ERR "%s: %s - no memory\n",
1161                         ZR_DEVNAME(zr), __func__);
1162                 return m;
1163         }
1164
1165         /* magic and type are unused for master struct. Makes sense only at
1166            codec structs.
1167            In the past, .type were initialized to the old V4L1 .hardware
1168            value, as VID_HARDWARE_ZR36067
1169          */
1170         m->magic = 0L;
1171         m->type = 0;
1172
1173         m->flags = CODEC_FLAG_ENCODER | CODEC_FLAG_DECODER;
1174         strncpy(m->name, ZR_DEVNAME(zr), sizeof(m->name));
1175         m->data = zr;
1176
1177         switch (type)
1178         {
1179         case CODEC_TYPE_ZR36060:
1180                 m->readreg = zr36060_read;
1181                 m->writereg = zr36060_write;
1182                 m->flags |= CODEC_FLAG_JPEG | CODEC_FLAG_VFE;
1183                 break;
1184         case CODEC_TYPE_ZR36050:
1185                 m->readreg = zr36050_read;
1186                 m->writereg = zr36050_write;
1187                 m->flags |= CODEC_FLAG_JPEG;
1188                 break;
1189         case CODEC_TYPE_ZR36016:
1190                 m->readreg = zr36016_read;
1191                 m->writereg = zr36016_write;
1192                 m->flags |= CODEC_FLAG_VFE;
1193                 break;
1194         }
1195
1196         return m;
1197 }
1198
1199 static int zoran_subdev_notify(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
1200 {
1201         struct zoran *zr = to_zoran(sd->v4l2_dev);
1202
1203         /* Bt819 needs to reset its FIFO buffer using #FRST pin and
1204            LML33 card uses GPIO(7) for that. */
1205         if (cmd == BT819_FIFO_RESET_LOW)
1206                 GPIO(zr, 7, 0);
1207         else if (cmd == BT819_FIFO_RESET_HIGH)
1208                 GPIO(zr, 7, 1);
1209         return 0;
1210 }
1211
1212 /*
1213  *   Scan for a Buz card (actually for the PCI controller ZR36057),
1214  *   request the irq and map the io memory
1215  */
1216 static int __devinit zoran_probe(struct pci_dev *pdev,
1217                                  const struct pci_device_id *ent)
1218 {
1219         unsigned char latency, need_latency;
1220         struct zoran *zr;
1221         int result;
1222         struct videocodec_master *master_vfe = NULL;
1223         struct videocodec_master *master_codec = NULL;
1224         int card_num;
1225         char *codec_name, *vfe_name;
1226         unsigned int nr;
1227
1228
1229         nr = zoran_num++;
1230         if (nr >= BUZ_MAX) {
1231                 dprintk(1, KERN_ERR "%s: driver limited to %d card(s) maximum\n",
1232                         ZORAN_NAME, BUZ_MAX);
1233                 return -ENOENT;
1234         }
1235
1236         zr = kzalloc(sizeof(struct zoran), GFP_KERNEL);
1237         if (!zr) {
1238                 dprintk(1, KERN_ERR "%s: %s - kzalloc failed\n",
1239                         ZORAN_NAME, __func__);
1240                 return -ENOMEM;
1241         }
1242         zr->v4l2_dev.notify = zoran_subdev_notify;
1243         if (v4l2_device_register(&pdev->dev, &zr->v4l2_dev))
1244                 goto zr_free_mem;
1245         zr->pci_dev = pdev;
1246         zr->id = nr;
1247         snprintf(ZR_DEVNAME(zr), sizeof(ZR_DEVNAME(zr)), "MJPEG[%u]", zr->id);
1248         spin_lock_init(&zr->spinlock);
1249         mutex_init(&zr->resource_lock);
1250         if (pci_enable_device(pdev))
1251                 goto zr_unreg;
1252         pci_read_config_byte(zr->pci_dev, PCI_CLASS_REVISION, &zr->revision);
1253
1254         dprintk(1,
1255                 KERN_INFO
1256                 "%s: Zoran ZR360%c7 (rev %d), irq: %d, memory: 0x%08llx\n",
1257                 ZR_DEVNAME(zr), zr->revision < 2 ? '5' : '6', zr->revision,
1258                 zr->pci_dev->irq, (uint64_t)pci_resource_start(zr->pci_dev, 0));
1259         if (zr->revision >= 2) {
1260                 dprintk(1,
1261                         KERN_INFO
1262                         "%s: Subsystem vendor=0x%04x id=0x%04x\n",
1263                         ZR_DEVNAME(zr), zr->pci_dev->subsystem_vendor,
1264                         zr->pci_dev->subsystem_device);
1265         }
1266
1267         /* Use auto-detected card type? */
1268         if (card[nr] == -1) {
1269                 if (zr->revision < 2) {
1270                         dprintk(1,
1271                                 KERN_ERR
1272                                 "%s: No card type specified, please use the card=X module parameter\n",
1273                                 ZR_DEVNAME(zr));
1274                         dprintk(1,
1275                                 KERN_ERR
1276                                 "%s: It is not possible to auto-detect ZR36057 based cards\n",
1277                                 ZR_DEVNAME(zr));
1278                         goto zr_unreg;
1279                 }
1280
1281                 card_num = ent->driver_data;
1282                 if (card_num >= NUM_CARDS) {
1283                         dprintk(1,
1284                                 KERN_ERR
1285                                 "%s: Unknown card, try specifying card=X module parameter\n",
1286                                 ZR_DEVNAME(zr));
1287                         goto zr_unreg;
1288                 }
1289                 dprintk(3,
1290                         KERN_DEBUG
1291                         "%s: %s() - card %s detected\n",
1292                         ZR_DEVNAME(zr), __func__, zoran_cards[card_num].name);
1293         } else {
1294                 card_num = card[nr];
1295                 if (card_num >= NUM_CARDS || card_num < 0) {
1296                         dprintk(1,
1297                                 KERN_ERR
1298                                 "%s: User specified card type %d out of range (0 .. %d)\n",
1299                                 ZR_DEVNAME(zr), card_num, NUM_CARDS - 1);
1300                         goto zr_unreg;
1301                 }
1302         }
1303
1304         /* even though we make this a non pointer and thus
1305          * theoretically allow for making changes to this struct
1306          * on a per-individual card basis at runtime, this is
1307          * strongly discouraged. This structure is intended to
1308          * keep general card information, no settings or anything */
1309         zr->card = zoran_cards[card_num];
1310         snprintf(ZR_DEVNAME(zr), sizeof(ZR_DEVNAME(zr)),
1311                  "%s[%u]", zr->card.name, zr->id);
1312
1313         zr->zr36057_mem = pci_ioremap_bar(zr->pci_dev, 0);
1314         if (!zr->zr36057_mem) {
1315                 dprintk(1, KERN_ERR "%s: %s() - ioremap failed\n",
1316                         ZR_DEVNAME(zr), __func__);
1317                 goto zr_unreg;
1318         }
1319
1320         result = request_irq(zr->pci_dev->irq, zoran_irq,
1321                              IRQF_SHARED | IRQF_DISABLED, ZR_DEVNAME(zr), zr);
1322         if (result < 0) {
1323                 if (result == -EINVAL) {
1324                         dprintk(1,
1325                                 KERN_ERR
1326                                 "%s: %s - bad irq number or handler\n",
1327                                 ZR_DEVNAME(zr), __func__);
1328                 } else if (result == -EBUSY) {
1329                         dprintk(1,
1330                                 KERN_ERR
1331                                 "%s: %s - IRQ %d busy, change your PnP config in BIOS\n",
1332                                 ZR_DEVNAME(zr), __func__, zr->pci_dev->irq);
1333                 } else {
1334                         dprintk(1,
1335                                 KERN_ERR
1336                                 "%s: %s - can't assign irq, error code %d\n",
1337                                 ZR_DEVNAME(zr), __func__, result);
1338                 }
1339                 goto zr_unmap;
1340         }
1341
1342         /* set PCI latency timer */
1343         pci_read_config_byte(zr->pci_dev, PCI_LATENCY_TIMER,
1344                              &latency);
1345         need_latency = zr->revision > 1 ? 32 : 48;
1346         if (latency != need_latency) {
1347                 dprintk(2, KERN_INFO "%s: Changing PCI latency from %d to %d\n",
1348                         ZR_DEVNAME(zr), latency, need_latency);
1349                 pci_write_config_byte(zr->pci_dev, PCI_LATENCY_TIMER,
1350                                       need_latency);
1351         }
1352
1353         zr36057_restart(zr);
1354         /* i2c */
1355         dprintk(2, KERN_INFO "%s: Initializing i2c bus...\n",
1356                 ZR_DEVNAME(zr));
1357
1358         if (zoran_register_i2c(zr) < 0) {
1359                 dprintk(1, KERN_ERR "%s: %s - can't initialize i2c bus\n",
1360                         ZR_DEVNAME(zr), __func__);
1361                 goto zr_free_irq;
1362         }
1363
1364         zr->decoder = v4l2_i2c_new_probed_subdev(&zr->i2c_adapter,
1365                 zr->card.mod_decoder, zr->card.i2c_decoder, zr->card.addrs_decoder);
1366
1367         if (zr->card.mod_encoder)
1368                 zr->encoder = v4l2_i2c_new_probed_subdev(&zr->i2c_adapter,
1369                         zr->card.mod_encoder, zr->card.i2c_encoder,
1370                         zr->card.addrs_encoder);
1371
1372         dprintk(2,
1373                 KERN_INFO "%s: Initializing videocodec bus...\n",
1374                 ZR_DEVNAME(zr));
1375
1376         if (zr->card.video_codec) {
1377                 codec_name = codecid_to_modulename(zr->card.video_codec);
1378                 if (codec_name) {
1379                         result = request_module(codec_name);
1380                         if (result) {
1381                                 dprintk(1,
1382                                         KERN_ERR
1383                                         "%s: failed to load modules %s: %d\n",
1384                                         ZR_DEVNAME(zr), codec_name, result);
1385                         }
1386                 }
1387         }
1388         if (zr->card.video_vfe) {
1389                 vfe_name = codecid_to_modulename(zr->card.video_vfe);
1390                 if (vfe_name) {
1391                         result = request_module(vfe_name);
1392                         if (result < 0) {
1393                                 dprintk(1,
1394                                         KERN_ERR
1395                                         "%s: failed to load modules %s: %d\n",
1396                                         ZR_DEVNAME(zr), vfe_name, result);
1397                         }
1398                 }
1399         }
1400
1401         /* reset JPEG codec */
1402         jpeg_codec_sleep(zr, 1);
1403         jpeg_codec_reset(zr);
1404         /* video bus enabled */
1405         /* display codec revision */
1406         if (zr->card.video_codec != 0) {
1407                 master_codec = zoran_setup_videocodec(zr, zr->card.video_codec);
1408                 if (!master_codec)
1409                         goto zr_unreg_i2c;
1410                 zr->codec = videocodec_attach(master_codec);
1411                 if (!zr->codec) {
1412                         dprintk(1, KERN_ERR "%s: %s - no codec found\n",
1413                                 ZR_DEVNAME(zr), __func__);
1414                         goto zr_free_codec;
1415                 }
1416                 if (zr->codec->type != zr->card.video_codec) {
1417                         dprintk(1, KERN_ERR "%s: %s - wrong codec\n",
1418                                 ZR_DEVNAME(zr), __func__);
1419                         goto zr_detach_codec;
1420                 }
1421         }
1422         if (zr->card.video_vfe != 0) {
1423                 master_vfe = zoran_setup_videocodec(zr, zr->card.video_vfe);
1424                 if (!master_vfe)
1425                         goto zr_detach_codec;
1426                 zr->vfe = videocodec_attach(master_vfe);
1427                 if (!zr->vfe) {
1428                         dprintk(1, KERN_ERR "%s: %s - no VFE found\n",
1429                                 ZR_DEVNAME(zr), __func__);
1430                         goto zr_free_vfe;
1431                 }
1432                 if (zr->vfe->type != zr->card.video_vfe) {
1433                         dprintk(1, KERN_ERR "%s: %s = wrong VFE\n",
1434                                 ZR_DEVNAME(zr), __func__);
1435                         goto zr_detach_vfe;
1436                 }
1437         }
1438
1439         /* take care of Natoma chipset and a revision 1 zr36057 */
1440         if ((pci_pci_problems & PCIPCI_NATOMA) && zr->revision <= 1) {
1441                 zr->jpg_buffers.need_contiguous = 1;
1442                 dprintk(1, KERN_INFO
1443                         "%s: ZR36057/Natoma bug, max. buffer size is 128K\n",
1444                         ZR_DEVNAME(zr));
1445         }
1446
1447         if (zr36057_init(zr) < 0)
1448                 goto zr_detach_vfe;
1449
1450         zoran_proc_init(zr);
1451
1452         return 0;
1453
1454 zr_detach_vfe:
1455         videocodec_detach(zr->vfe);
1456 zr_free_vfe:
1457         kfree(master_vfe);
1458 zr_detach_codec:
1459         videocodec_detach(zr->codec);
1460 zr_free_codec:
1461         kfree(master_codec);
1462 zr_unreg_i2c:
1463         zoran_unregister_i2c(zr);
1464 zr_free_irq:
1465         btwrite(0, ZR36057_SPGPPCR);
1466         free_irq(zr->pci_dev->irq, zr);
1467 zr_unmap:
1468         iounmap(zr->zr36057_mem);
1469 zr_unreg:
1470         v4l2_device_unregister(&zr->v4l2_dev);
1471 zr_free_mem:
1472         kfree(zr);
1473
1474         return -ENODEV;
1475 }
1476
1477 static struct pci_driver zoran_driver = {
1478         .name = "zr36067",
1479         .id_table = zr36067_pci_tbl,
1480         .probe = zoran_probe,
1481         .remove = zoran_remove,
1482 };
1483
1484 static int __init zoran_init(void)
1485 {
1486         int res;
1487
1488         printk(KERN_INFO "Zoran MJPEG board driver version %d.%d.%d\n",
1489                MAJOR_VERSION, MINOR_VERSION, RELEASE_VERSION);
1490
1491         /* check the parameters we have been given, adjust if necessary */
1492         if (v4l_nbufs < 2)
1493                 v4l_nbufs = 2;
1494         if (v4l_nbufs > VIDEO_MAX_FRAME)
1495                 v4l_nbufs = VIDEO_MAX_FRAME;
1496         /* The user specfies the in KB, we want them in byte
1497          * (and page aligned) */
1498         v4l_bufsize = PAGE_ALIGN(v4l_bufsize * 1024);
1499         if (v4l_bufsize < 32768)
1500                 v4l_bufsize = 32768;
1501         /* 2 MB is arbitrary but sufficient for the maximum possible images */
1502         if (v4l_bufsize > 2048 * 1024)
1503                 v4l_bufsize = 2048 * 1024;
1504         if (jpg_nbufs < 4)
1505                 jpg_nbufs = 4;
1506         if (jpg_nbufs > BUZ_MAX_FRAME)
1507                 jpg_nbufs = BUZ_MAX_FRAME;
1508         jpg_bufsize = PAGE_ALIGN(jpg_bufsize * 1024);
1509         if (jpg_bufsize < 8192)
1510                 jpg_bufsize = 8192;
1511         if (jpg_bufsize > (512 * 1024))
1512                 jpg_bufsize = 512 * 1024;
1513         /* Use parameter for vidmem or try to find a video card */
1514         if (vidmem) {
1515                 dprintk(1,
1516                         KERN_INFO
1517                         "%s: Using supplied video memory base address @ 0x%lx\n",
1518                         ZORAN_NAME, vidmem);
1519         }
1520
1521         /* some mainboards might not do PCI-PCI data transfer well */
1522         if (pci_pci_problems & (PCIPCI_FAIL|PCIAGP_FAIL|PCIPCI_ALIMAGIK)) {
1523                 dprintk(1,
1524                         KERN_WARNING
1525                         "%s: chipset does not support reliable PCI-PCI DMA\n",
1526                         ZORAN_NAME);
1527         }
1528
1529         res = pci_register_driver(&zoran_driver);
1530         if (res) {
1531                 dprintk(1,
1532                         KERN_ERR
1533                         "%s: Unable to register ZR36057 driver\n",
1534                         ZORAN_NAME);
1535                 return res;
1536         }
1537
1538         return 0;
1539 }
1540
1541 static void __exit zoran_exit(void)
1542 {
1543         pci_unregister_driver(&zoran_driver);
1544 }
1545
1546 module_init(zoran_init);
1547 module_exit(zoran_exit);