drivers/media/pci/zoran/zoran_card.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * Zoran zr36057/zr36067 PCI controller driver, for the
   4  * Pinnacle/Miro DC10/DC10+/DC30/DC30+, Iomega Buz, Linux
   5  * Media Labs LML33/LML33R10.
   6  *
   7  * This part handles card-specific data and detection
   8  *
   9  * Copyright (C) 2000 Serguei Miridonov <mirsev@cicese.mx>
  10  */
  11
  12 #include <linux/delay.h>
  13 #include <linux/kernel.h>
  14 #include <linux/module.h>
  15 #include <linux/slab.h>
  16
  17 #include <linux/i2c.h>
  18 #include <linux/i2c-algo-bit.h>
  19 #include <linux/videodev2.h>
  20 #include <linux/spinlock.h>
  21
  22 #include <linux/pci.h>
  23 #include <linux/interrupt.h>
  24 #include <linux/io.h>
  25 #include <media/v4l2-common.h>
  26 #include <media/i2c/bt819.h>
  27
  28 #include "videocodec.h"
  29 #include "zoran.h"
  30 #include "zoran_card.h"
  31 #include "zoran_device.h"
  32 #include "zr36016.h"
  33 #include "zr36050.h"
  34 #include "zr36060.h"
  35
  36 extern const struct zoran_format zoran_formats[];
  37
  38 static int card[BUZ_MAX] = { [0 ... (BUZ_MAX - 1)] = -1 };
  39 module_param_array(card, int, NULL, 0444);
  40 MODULE_PARM_DESC(card, "Card type");
  41
  42 /* Default input and video norm at startup of the driver. */
  43
  44 static unsigned int default_input;      /* default 0 = Composite, 1 = S-Video */
  45 module_param(default_input, uint, 0444);
  46 MODULE_PARM_DESC(default_input,
  47                  "Default input (0=Composite, 1=S-Video, 2=Internal)");
  48
  49 static int default_mux = 1;     /* 6 Eyes input selection */
  50 module_param(default_mux, int, 0644);
  51 MODULE_PARM_DESC(default_mux,
  52                  "Default 6 Eyes mux setting (Input selection)");
  53
  54 static int default_norm;        /* default 0 = PAL, 1 = NTSC 2 = SECAM */
  55 module_param(default_norm, int, 0444);
  56 MODULE_PARM_DESC(default_norm, "Default norm (0=PAL, 1=NTSC, 2=SECAM)");
  57
  58 /* /dev/videoN, -1 for autodetect */
  59 static int video_nr[BUZ_MAX] = { [0 ... (BUZ_MAX - 1)] = -1 };
  60 module_param_array(video_nr, int, NULL, 0444);
  61 MODULE_PARM_DESC(video_nr, "Video device number (-1=Auto)");
  62
  63 /* 1=Pass through TV signal when device is not used */
  64 /* 0=Show color bar when device is not used (LML33: only if lml33dpath=1) */
  65 int pass_through;
  66 module_param(pass_through, int, 0644);
  67 MODULE_PARM_DESC(pass_through,
  68                  "Pass TV signal through to TV-out when idling");
  69
  70 int zr36067_debug = 1;
  71 module_param_named(debug, zr36067_debug, int, 0644);
  72 MODULE_PARM_DESC(debug, "Debug level (0-5)");
  73
  74 #define ZORAN_VERSION "0.10.1"
  75
  76 MODULE_DESCRIPTION("Zoran-36057/36067 JPEG codec driver");
  77 MODULE_AUTHOR("Serguei Miridonov");
  78 MODULE_LICENSE("GPL");
  79 MODULE_VERSION(ZORAN_VERSION);
  80
  81 #define ZR_DEVICE(subven, subdev, data) { \
  82         .vendor = PCI_VENDOR_ID_ZORAN, .device = PCI_DEVICE_ID_ZORAN_36057, \
  83         .subvendor = (subven), .subdevice = (subdev), .driver_data = (data) }
  84
  85 static const struct pci_device_id zr36067_pci_tbl[] = {
  86         ZR_DEVICE(PCI_VENDOR_ID_MIRO, PCI_DEVICE_ID_MIRO_DC10PLUS, DC10_PLUS),
  87         ZR_DEVICE(PCI_VENDOR_ID_MIRO, PCI_DEVICE_ID_MIRO_DC30PLUS, DC30_PLUS),
  88         ZR_DEVICE(PCI_VENDOR_ID_ELECTRONICDESIGNGMBH, PCI_DEVICE_ID_LML_33R10, LML33R10),
  89         ZR_DEVICE(PCI_VENDOR_ID_IOMEGA, PCI_DEVICE_ID_IOMEGA_BUZ, BUZ),
  90         ZR_DEVICE(PCI_ANY_ID, PCI_ANY_ID, NUM_CARDS),
  91         {0}
  92 };
  93 MODULE_DEVICE_TABLE(pci, zr36067_pci_tbl);
  94
  95 static unsigned int zoran_num;          /* number of cards found */
  96
  97 /* videocodec bus functions ZR36060 */
  98 static u32 zr36060_read(struct videocodec *codec, u16 reg)
  99 {
 100         struct zoran *zr = (struct zoran *)codec->master_data->data;
 101         __u32 data;
 102
 103         if (post_office_wait(zr) || post_office_write(zr, 0, 1, reg >> 8) ||
 104             post_office_write(zr, 0, 2, reg & 0xff))
 105                 return -1;
 106
 107         data = post_office_read(zr, 0, 3) & 0xff;
 108         return data;
 109 }
 110
 111 static void zr36060_write(struct videocodec *codec, u16 reg, u32 val)
 112 {
 113         struct zoran *zr = (struct zoran *)codec->master_data->data;
 114
 115         if (post_office_wait(zr) || post_office_write(zr, 0, 1, reg >> 8) ||
 116             post_office_write(zr, 0, 2, reg & 0xff))
 117                 return;
 118
 119         post_office_write(zr, 0, 3, val & 0xff);
 120 }
 121
 122 /* videocodec bus functions ZR36050 */
 123 static u32 zr36050_read(struct videocodec *codec, u16 reg)
 124 {
 125         struct zoran *zr = (struct zoran *)codec->master_data->data;
 126         __u32 data;
 127
 128         if (post_office_wait(zr) || post_office_write(zr, 1, 0, reg >> 2))      // reg. HIGHBYTES
 129                 return -1;
 130
 131         data = post_office_read(zr, 0, reg & 0x03) & 0xff;      // reg. LOWBYTES + read
 132         return data;
 133 }
 134
 135 static void zr36050_write(struct videocodec *codec, u16 reg, u32 val)
 136 {
 137         struct zoran *zr = (struct zoran *)codec->master_data->data;
 138
 139         if (post_office_wait(zr) || post_office_write(zr, 1, 0, reg >> 2))      // reg. HIGHBYTES
 140                 return;
 141
 142         post_office_write(zr, 0, reg & 0x03, val & 0xff);       // reg. LOWBYTES + wr. data
 143 }
 144
 145 /* videocodec bus functions ZR36016 */
 146 static u32 zr36016_read(struct videocodec *codec, u16 reg)
 147 {
 148         struct zoran *zr = (struct zoran *)codec->master_data->data;
 149         __u32 data;
 150
 151         if (post_office_wait(zr))
 152                 return -1;
 153
 154         data = post_office_read(zr, 2, reg & 0x03) & 0xff;      // read
 155         return data;
 156 }
 157
 158 /* hack for in zoran_device.c */
 159 void zr36016_write(struct videocodec *codec, u16 reg, u32 val)
 160 {
 161         struct zoran *zr = (struct zoran *)codec->master_data->data;
 162
 163         if (post_office_wait(zr))
 164                 return;
 165
 166         post_office_write(zr, 2, reg & 0x03, val & 0x0ff);      // wr. data
 167 }
 168
 169 /*
 170  * Board specific information
 171  */
 172
 173 static void dc10_init(struct zoran *zr)
 174 {
 175         /* Pixel clock selection */
 176         GPIO(zr, 4, 0);
 177         GPIO(zr, 5, 1);
 178         /* Enable the video bus sync signals */
 179         GPIO(zr, 7, 0);
 180 }
 181
 182 static void dc10plus_init(struct zoran *zr)
 183 {
 184 }
 185
 186 static void buz_init(struct zoran *zr)
 187 {
 188         /* some stuff from Iomega */
 189         pci_write_config_dword(zr->pci_dev, 0xfc, 0x90680f15);
 190         pci_write_config_dword(zr->pci_dev, 0x0c, 0x00012020);
 191         pci_write_config_dword(zr->pci_dev, 0xe8, 0xc0200000);
 192 }
 193
 194 static void lml33_init(struct zoran *zr)
 195 {
 196         GPIO(zr, 2, 1);         // Set Composite input/output
 197 }
 198
 199 static void avs6eyes_init(struct zoran *zr)
 200 {
 201         // AverMedia 6-Eyes original driver by Christer Weinigel
 202
 203         // Lifted straight from Christer's old driver and
 204         // modified slightly by Martin Samuelsson.
 205
 206         int mux = default_mux; /* 1 = BT866, 7 = VID1 */
 207
 208         GPIO(zr, 4, 1); /* Bt866 SLEEP on */
 209         udelay(2);
 210
 211         GPIO(zr, 0, 1); /* ZR36060 /RESET on */
 212         GPIO(zr, 1, 0); /* ZR36060 /SLEEP on */
 213         GPIO(zr, 2, mux & 1);   /* MUX S0 */
 214         GPIO(zr, 3, 0); /* /FRAME on */
 215         GPIO(zr, 4, 0); /* Bt866 SLEEP off */
 216         GPIO(zr, 5, mux & 2);   /* MUX S1 */
 217         GPIO(zr, 6, 0); /* ? */
 218         GPIO(zr, 7, mux & 4);   /* MUX S2 */
 219 }
 220
 221 static const char *codecid_to_modulename(u16 codecid)
 222 {
 223         const char *name = NULL;
 224
 225         switch (codecid) {
 226         case CODEC_TYPE_ZR36060:
 227                 name = "zr36060";
 228                 break;
 229         case CODEC_TYPE_ZR36050:
 230                 name = "zr36050";
 231                 break;
 232         case CODEC_TYPE_ZR36016:
 233                 name = "zr36016";
 234                 break;
 235         }
 236
 237         return name;
 238 }
 239
 240 static int codec_init(struct zoran *zr, u16 codecid)
 241 {
 242         switch (codecid) {
 243         case CODEC_TYPE_ZR36060:
 244 #ifdef CONFIG_VIDEO_ZORAN_ZR36060
 245                 return zr36060_init_module();
 246 #else
 247                 pci_err(zr->pci_dev, "ZR36060 support is not enabled\n");
 248                 return -EINVAL;
 249 #endif
 250                 break;
 251         case CODEC_TYPE_ZR36050:
 252 #ifdef CONFIG_VIDEO_ZORAN_DC30
 253                 return zr36050_init_module();
 254 #else
 255                 pci_err(zr->pci_dev, "ZR36050 support is not enabled\n");
 256                 return -EINVAL;
 257 #endif
 258                 break;
 259         case CODEC_TYPE_ZR36016:
 260 #ifdef CONFIG_VIDEO_ZORAN_DC30
 261                 return zr36016_init_module();
 262 #else
 263                 pci_err(zr->pci_dev, "ZR36016 support is not enabled\n");
 264                 return -EINVAL;
 265 #endif
 266                 break;
 267         }
 268
 269         pci_err(zr->pci_dev, "unknown codec id %x\n", codecid);
 270         return -EINVAL;
 271 }
 272
 273 static void codec_exit(struct zoran *zr, u16 codecid)
 274 {
 275         switch (codecid) {
 276         case CODEC_TYPE_ZR36060:
 277 #ifdef CONFIG_VIDEO_ZORAN_ZR36060
 278                 zr36060_cleanup_module();
 279 #endif
 280                 break;
 281         case CODEC_TYPE_ZR36050:
 282 #ifdef CONFIG_VIDEO_ZORAN_DC30
 283                 zr36050_cleanup_module();
 284 #endif
 285                 break;
 286         case CODEC_TYPE_ZR36016:
 287 #ifdef CONFIG_VIDEO_ZORAN_DC30
 288                 zr36016_cleanup_module();
 289 #endif
 290                 break;
 291         }
 292 }
 293
 294 static int videocodec_init(struct zoran *zr)
 295 {
 296         const char *codec_name, *vfe_name;
 297         int result;
 298
 299         codec_name = codecid_to_modulename(zr->card.video_codec);
 300         if (codec_name) {
 301                 result = codec_init(zr, zr->card.video_codec);
 302                 if (result < 0) {
 303                         pci_err(zr->pci_dev, "failed to load video codec %s: %d\n",
 304                                 codec_name, result);
 305                         return result;
 306                 }
 307         }
 308         vfe_name = codecid_to_modulename(zr->card.video_vfe);
 309         if (vfe_name) {
 310                 result = codec_init(zr, zr->card.video_vfe);
 311                 if (result < 0) {
 312                         pci_err(zr->pci_dev, "failed to load video vfe %s: %d\n",
 313                                 vfe_name, result);
 314                         if (codec_name)
 315                                 codec_exit(zr, zr->card.video_codec);
 316                         return result;
 317                 }
 318         }
 319         return 0;
 320 }
 321
 322 static void videocodec_exit(struct zoran *zr)
 323 {
 324         if (zr->card.video_codec != CODEC_TYPE_NONE)
 325                 codec_exit(zr, zr->card.video_codec);
 326         if (zr->card.video_vfe != CODEC_TYPE_NONE)
 327                 codec_exit(zr, zr->card.video_vfe);
 328 }
 329
 330 static const struct tvnorm f50sqpixel = { 944, 768, 83, 880, 625, 576, 16 };
 331 static const struct tvnorm f60sqpixel = { 780, 640, 51, 716, 525, 480, 12 };
 332 static const struct tvnorm f50ccir601 = { 864, 720, 75, 804, 625, 576, 18 };
 333 static const struct tvnorm f60ccir601 = { 858, 720, 57, 788, 525, 480, 16 };
 334
 335 static const struct tvnorm f50ccir601_lml33 = { 864, 720, 75 + 34, 804, 625, 576, 18 };
 336 static const struct tvnorm f60ccir601_lml33 = { 858, 720, 57 + 34, 788, 525, 480, 16 };
 337
 338 /* The DC10 (57/16/50) uses VActive as HSync, so h_start must be 0 */
 339 static const struct tvnorm f50sqpixel_dc10 = { 944, 768, 0, 880, 625, 576, 0 };
 340 static const struct tvnorm f60sqpixel_dc10 = { 780, 640, 0, 716, 525, 480, 12 };
 341
 342 /*
 343  * FIXME: I cannot swap U and V in saa7114, so i do one pixel left shift in zoran (75 -> 74)
 344  * (Maxim Yevtyushkin <max@linuxmedialabs.com>)
 345  */
 346 static const struct tvnorm f50ccir601_lm33r10 = { 864, 720, 74 + 54, 804, 625, 576, 18 };
 347 static const struct tvnorm f60ccir601_lm33r10 = { 858, 720, 56 + 54, 788, 525, 480, 16 };
 348
 349 /*
 350  * FIXME: The ks0127 seem incapable of swapping U and V, too, which is why I copy Maxim's left
 351  * shift hack for the 6 Eyes.
 352  *
 353  * Christer's driver used the unshifted norms, though...
 354  * /Sam
 355  */
 356 static const struct tvnorm f50ccir601_avs6eyes = { 864, 720, 74, 804, 625, 576, 18 };
 357 static const struct tvnorm f60ccir601_avs6eyes = { 858, 720, 56, 788, 525, 480, 16 };
 358
 359 static const unsigned short vpx3220_addrs[] = { 0x43, 0x47, I2C_CLIENT_END };
 360 static const unsigned short saa7110_addrs[] = { 0x4e, 0x4f, I2C_CLIENT_END };
 361 static const unsigned short saa7111_addrs[] = { 0x25, 0x24, I2C_CLIENT_END };
 362 static const unsigned short saa7114_addrs[] = { 0x21, 0x20, I2C_CLIENT_END };
 363 static const unsigned short adv717x_addrs[] = { 0x6a, 0x6b, 0x2a, 0x2b, I2C_CLIENT_END };
 364 static const unsigned short ks0127_addrs[] = { 0x6c, 0x6d, I2C_CLIENT_END };
 365 static const unsigned short saa7185_addrs[] = { 0x44, I2C_CLIENT_END };
 366 static const unsigned short bt819_addrs[] = { 0x45, I2C_CLIENT_END };
 367 static const unsigned short bt856_addrs[] = { 0x44, I2C_CLIENT_END };
 368 static const unsigned short bt866_addrs[] = { 0x44, I2C_CLIENT_END };
 369
 370 static struct card_info zoran_cards[NUM_CARDS] = {
 371         {
 372                 .type = DC10_OLD,
 373                 .name = "DC10(old)",
 374                 .i2c_decoder = "vpx3220a",
 375                 .addrs_decoder = vpx3220_addrs,
 376                 .video_codec = CODEC_TYPE_ZR36050,
 377                 .video_vfe = CODEC_TYPE_ZR36016,
 378
 379                 .inputs = 3,
 380                 .input = {
 381                         { 1, "Composite" },
 382                         { 2, "S-Video" },
 383                         { 0, "Internal/comp" }
 384                 },
 385                 .norms = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM,
 386                 .tvn = {
 387                         &f50sqpixel_dc10,
 388                         &f60sqpixel_dc10,
 389                         &f50sqpixel_dc10
 390                 },
 391                 .jpeg_int = 0,
 392                 .vsync_int = ZR36057_ISR_GIRQ1,
 393                 .gpio = { 2, 1, -1, 3, 7, 0, 4, 5 },
 394                 .gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 },
 395                 .gpcs = { -1, 0 },
 396                 .vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
 397                 .gws_not_connected = 0,
 398                 .input_mux = 0,
 399                 .init = &dc10_init,
 400         }, {
 401                 .type = DC10_NEW,
 402                 .name = "DC10(new)",
 403                 .i2c_decoder = "saa7110",
 404                 .addrs_decoder = saa7110_addrs,
 405                 .i2c_encoder = "adv7175",
 406                 .addrs_encoder = adv717x_addrs,
 407                 .video_codec = CODEC_TYPE_ZR36060,
 408
 409                 .inputs = 3,
 410                 .input = {
 411                                 { 0, "Composite" },
 412                                 { 7, "S-Video" },
 413                                 { 5, "Internal/comp" }
 414                         },
 415                 .norms = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM,
 416                 .tvn = {
 417                                 &f50sqpixel,
 418                                 &f60sqpixel,
 419                                 &f50sqpixel},
 420                 .jpeg_int = ZR36057_ISR_GIRQ0,
 421                 .vsync_int = ZR36057_ISR_GIRQ1,
 422                 .gpio = { 3, 0, 6, 1, 2, -1, 4, 5 },
 423                 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
 424                 .gpcs = { -1, 1},
 425                 .vfe_pol = { 1, 1, 1, 1, 0, 0, 0, 0 },
 426                 .gws_not_connected = 0,
 427                 .input_mux = 0,
 428                 .init = &dc10plus_init,
 429         }, {
 430                 .type = DC10_PLUS,
 431                 .name = "DC10_PLUS",
 432                 .i2c_decoder = "saa7110",
 433                 .addrs_decoder = saa7110_addrs,
 434                 .i2c_encoder = "adv7175",
 435                 .addrs_encoder = adv717x_addrs,
 436                 .video_codec = CODEC_TYPE_ZR36060,
 437
 438                 .inputs = 3,
 439                 .input = {
 440                         { 0, "Composite" },
 441                         { 7, "S-Video" },
 442                         { 5, "Internal/comp" }
 443                 },
 444                 .norms = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM,
 445                 .tvn = {
 446                         &f50sqpixel,
 447                         &f60sqpixel,
 448                         &f50sqpixel
 449                 },
 450                 .jpeg_int = ZR36057_ISR_GIRQ0,
 451                 .vsync_int = ZR36057_ISR_GIRQ1,
 452                 .gpio = { 3, 0, 6, 1, 2, -1, 4, 5 },
 453                 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
 454                 .gpcs = { -1, 1 },
 455                 .vfe_pol = { 1, 1, 1, 1, 0, 0, 0, 0 },
 456                 .gws_not_connected = 0,
 457                 .input_mux = 0,
 458                 .init = &dc10plus_init,
 459         }, {
 460                 .type = DC30,
 461                 .name = "DC30",
 462                 .i2c_decoder = "vpx3220a",
 463                 .addrs_decoder = vpx3220_addrs,
 464                 .i2c_encoder = "adv7175",
 465                 .addrs_encoder = adv717x_addrs,
 466                 .video_codec = CODEC_TYPE_ZR36050,
 467                 .video_vfe = CODEC_TYPE_ZR36016,
 468
 469                 .inputs = 3,
 470                 .input = {
 471                         { 1, "Composite" },
 472                         { 2, "S-Video" },
 473                         { 0, "Internal/comp" }
 474                 },
 475                 .norms = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM,
 476                 .tvn = {
 477                         &f50sqpixel_dc10,
 478                         &f60sqpixel_dc10,
 479                         &f50sqpixel_dc10
 480                 },
 481                 .jpeg_int = 0,
 482                 .vsync_int = ZR36057_ISR_GIRQ1,
 483                 .gpio = { 2, 1, -1, 3, 7, 0, 4, 5 },
 484                 .gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 },
 485                 .gpcs = { -1, 0 },
 486                 .vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
 487                 .gws_not_connected = 0,
 488                 .input_mux = 0,
 489                 .init = &dc10_init,
 490         }, {
 491                 .type = DC30_PLUS,
 492                 .name = "DC30_PLUS",
 493                 .i2c_decoder = "vpx3220a",
 494                 .addrs_decoder = vpx3220_addrs,
 495                 .i2c_encoder = "adv7175",
 496                 .addrs_encoder = adv717x_addrs,
 497                 .video_codec = CODEC_TYPE_ZR36050,
 498                 .video_vfe = CODEC_TYPE_ZR36016,
 499
 500                 .inputs = 3,
 501                 .input = {
 502                         { 1, "Composite" },
 503                         { 2, "S-Video" },
 504                         { 0, "Internal/comp" }
 505                 },
 506                 .norms = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM,
 507                 .tvn = {
 508                         &f50sqpixel_dc10,
 509                         &f60sqpixel_dc10,
 510                         &f50sqpixel_dc10
 511                 },
 512                 .jpeg_int = 0,
 513                 .vsync_int = ZR36057_ISR_GIRQ1,
 514                 .gpio = { 2, 1, -1, 3, 7, 0, 4, 5 },
 515                 .gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 },
 516                 .gpcs = { -1, 0 },
 517                 .vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
 518                 .gws_not_connected = 0,
 519                 .input_mux = 0,
 520                 .init = &dc10_init,
 521         }, {
 522                 .type = LML33,
 523                 .name = "LML33",
 524                 .i2c_decoder = "bt819a",
 525                 .addrs_decoder = bt819_addrs,
 526                 .i2c_encoder = "bt856",
 527                 .addrs_encoder = bt856_addrs,
 528                 .video_codec = CODEC_TYPE_ZR36060,
 529
 530                 .inputs = 2,
 531                 .input = {
 532                         { 0, "Composite" },
 533                         { 7, "S-Video" }
 534                 },
 535                 .norms = V4L2_STD_NTSC | V4L2_STD_PAL,
 536                 .tvn = {
 537                         &f50ccir601_lml33,
 538                         &f60ccir601_lml33,
 539                         NULL
 540                 },
 541                 .jpeg_int = ZR36057_ISR_GIRQ1,
 542                 .vsync_int = ZR36057_ISR_GIRQ0,
 543                 .gpio = { 1, -1, 3, 5, 7, -1, -1, -1 },
 544                 .gpio_pol = { 0, 0, 0, 0, 1, 0, 0, 0 },
 545                 .gpcs = { 3, 1 },
 546                 .vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 },
 547                 .gws_not_connected = 1,
 548                 .input_mux = 0,
 549                 .init = &lml33_init,
 550         }, {
 551                 .type = LML33R10,
 552                 .name = "LML33R10",
 553                 .i2c_decoder = "saa7114",
 554                 .addrs_decoder = saa7114_addrs,
 555                 .i2c_encoder = "adv7170",
 556                 .addrs_encoder = adv717x_addrs,
 557                 .video_codec = CODEC_TYPE_ZR36060,
 558
 559                 .inputs = 2,
 560                 .input = {
 561                         { 0, "Composite" },
 562                         { 7, "S-Video" }
 563                 },
 564                 .norms = V4L2_STD_NTSC | V4L2_STD_PAL,
 565                 .tvn = {
 566                         &f50ccir601_lm33r10,
 567                         &f60ccir601_lm33r10,
 568                         NULL
 569                 },
 570                 .jpeg_int = ZR36057_ISR_GIRQ1,
 571                 .vsync_int = ZR36057_ISR_GIRQ0,
 572                 .gpio = { 1, -1, 3, 5, 7, -1, -1, -1 },
 573                 .gpio_pol = { 0, 0, 0, 0, 1, 0, 0, 0 },
 574                 .gpcs = { 3, 1 },
 575                 .vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 },
 576                 .gws_not_connected = 1,
 577                 .input_mux = 0,
 578                 .init = &lml33_init,
 579         }, {
 580                 .type = BUZ,
 581                 .name = "Buz",
 582                 .i2c_decoder = "saa7111",
 583                 .addrs_decoder = saa7111_addrs,
 584                 .i2c_encoder = "saa7185",
 585                 .addrs_encoder = saa7185_addrs,
 586                 .video_codec = CODEC_TYPE_ZR36060,
 587
 588                 .inputs = 2,
 589                 .input = {
 590                         { 3, "Composite" },
 591                         { 7, "S-Video" }
 592                 },
 593                 .norms = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM,
 594                 .tvn = {
 595                         &f50ccir601,
 596                         &f60ccir601,
 597                         &f50ccir601
 598                 },
 599                 .jpeg_int = ZR36057_ISR_GIRQ1,
 600                 .vsync_int = ZR36057_ISR_GIRQ0,
 601                 .gpio = { 1, -1, 3, -1, -1, -1, -1, -1 },
 602                 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
 603                 .gpcs = { 3, 1 },
 604                 .vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 },
 605                 .gws_not_connected = 1,
 606                 .input_mux = 0,
 607                 .init = &buz_init,
 608         }, {
 609                 .type = AVS6EYES,
 610                 .name = "6-Eyes",
 611                 /*
 612                  * AverMedia chose not to brand the 6-Eyes. Thus it can't be
 613                  * autodetected, and requires card=x.
 614                  */
 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 zoran_i2c_getsda(void *data)
 658 {
 659         struct zoran *zr = (struct zoran *)data;
 660
 661         return (btread(ZR36057_I2CBR) >> 1) & 1;
 662 }
 663
 664 static int zoran_i2c_getscl(void *data)
 665 {
 666         struct zoran *zr = (struct zoran *)data;
 667
 668         return btread(ZR36057_I2CBR) & 1;
 669 }
 670
 671 static void zoran_i2c_setsda(void *data, int state)
 672 {
 673         struct zoran *zr = (struct zoran *)data;
 674
 675         if (state)
 676                 zr->i2cbr |= 2;
 677         else
 678                 zr->i2cbr &= ~2;
 679         btwrite(zr->i2cbr, ZR36057_I2CBR);
 680 }
 681
 682 static void zoran_i2c_setscl(void *data, int state)
 683 {
 684         struct zoran *zr = (struct zoran *)data;
 685
 686         if (state)
 687                 zr->i2cbr |= 1;
 688         else
 689                 zr->i2cbr &= ~1;
 690         btwrite(zr->i2cbr, ZR36057_I2CBR);
 691 }
 692
 693 static const struct i2c_algo_bit_data zoran_i2c_bit_data_template = {
 694         .setsda = zoran_i2c_setsda,
 695         .setscl = zoran_i2c_setscl,
 696         .getsda = zoran_i2c_getsda,
 697         .getscl = zoran_i2c_getscl,
 698         .udelay = 10,
 699         .timeout = 100,
 700 };
 701
 702 static int zoran_register_i2c(struct zoran *zr)
 703 {
 704         zr->i2c_algo = zoran_i2c_bit_data_template;
 705         zr->i2c_algo.data = zr;
 706         strscpy(zr->i2c_adapter.name, ZR_DEVNAME(zr),
 707                 sizeof(zr->i2c_adapter.name));
 708         i2c_set_adapdata(&zr->i2c_adapter, &zr->v4l2_dev);
 709         zr->i2c_adapter.algo_data = &zr->i2c_algo;
 710         zr->i2c_adapter.dev.parent = &zr->pci_dev->dev;
 711         return i2c_bit_add_bus(&zr->i2c_adapter);
 712 }
 713
 714 static void zoran_unregister_i2c(struct zoran *zr)
 715 {
 716         i2c_del_adapter(&zr->i2c_adapter);
 717 }
 718
 719 /* Check a zoran_params struct for correctness, insert default params */
 720 int zoran_check_jpg_settings(struct zoran *zr,
 721                              struct zoran_jpg_settings *settings, int try)
 722 {
 723         int err = 0, err0 = 0;
 724
 725         pci_dbg(zr->pci_dev, "%s - dec: %d, Hdcm: %d, Vdcm: %d, Tdcm: %d\n",
 726                 __func__, settings->decimation, settings->hor_dcm,
 727                 settings->ver_dcm, settings->tmp_dcm);
 728         pci_dbg(zr->pci_dev, "%s - x: %d, y: %d, w: %d, y: %d\n", __func__,
 729                 settings->img_x, settings->img_y,
 730                 settings->img_width, settings->img_height);
 731         /* Check decimation, set default values for decimation = 1, 2, 4 */
 732         switch (settings->decimation) {
 733         case 1:
 734
 735                 settings->hor_dcm = 1;
 736                 settings->ver_dcm = 1;
 737                 settings->tmp_dcm = 1;
 738                 settings->field_per_buff = 2;
 739                 settings->img_x = 0;
 740                 settings->img_y = 0;
 741                 settings->img_width = BUZ_MAX_WIDTH;
 742                 settings->img_height = BUZ_MAX_HEIGHT / 2;
 743                 break;
 744         case 2:
 745
 746                 settings->hor_dcm = 2;
 747                 settings->ver_dcm = 1;
 748                 settings->tmp_dcm = 2;
 749                 settings->field_per_buff = 1;
 750                 settings->img_x = (BUZ_MAX_WIDTH == 720) ? 8 : 0;
 751                 settings->img_y = 0;
 752                 settings->img_width =
 753                     (BUZ_MAX_WIDTH == 720) ? 704 : BUZ_MAX_WIDTH;
 754                 settings->img_height = BUZ_MAX_HEIGHT / 2;
 755                 break;
 756         case 4:
 757
 758                 if (zr->card.type == DC10_NEW) {
 759                         pci_dbg(zr->pci_dev,
 760                                 "%s - HDec by 4 is not supported on the DC10\n",
 761                                 __func__);
 762                         err0++;
 763                         break;
 764                 }
 765
 766                 settings->hor_dcm = 4;
 767                 settings->ver_dcm = 2;
 768                 settings->tmp_dcm = 2;
 769                 settings->field_per_buff = 1;
 770                 settings->img_x = (BUZ_MAX_WIDTH == 720) ? 8 : 0;
 771                 settings->img_y = 0;
 772                 settings->img_width =
 773                     (BUZ_MAX_WIDTH == 720) ? 704 : BUZ_MAX_WIDTH;
 774                 settings->img_height = BUZ_MAX_HEIGHT / 2;
 775                 break;
 776         case 0:
 777
 778                 /* We have to check the data the user has set */
 779
 780                 if (settings->hor_dcm != 1 && settings->hor_dcm != 2 &&
 781                     (zr->card.type == DC10_NEW || settings->hor_dcm != 4)) {
 782                         settings->hor_dcm = clamp(settings->hor_dcm, 1, 2);
 783                         err0++;
 784                 }
 785                 if (settings->ver_dcm != 1 && settings->ver_dcm != 2) {
 786                         settings->ver_dcm = clamp(settings->ver_dcm, 1, 2);
 787                         err0++;
 788                 }
 789                 if (settings->tmp_dcm != 1 && settings->tmp_dcm != 2) {
 790                         settings->tmp_dcm = clamp(settings->tmp_dcm, 1, 2);
 791                         err0++;
 792                 }
 793                 if (settings->field_per_buff != 1 &&
 794                     settings->field_per_buff != 2) {
 795                         settings->field_per_buff = clamp(settings->field_per_buff, 1, 2);
 796                         err0++;
 797                 }
 798                 if (settings->img_x < 0) {
 799                         settings->img_x = 0;
 800                         err0++;
 801                 }
 802                 if (settings->img_y < 0) {
 803                         settings->img_y = 0;
 804                         err0++;
 805                 }
 806                 if (settings->img_width < 0 || settings->img_width > BUZ_MAX_WIDTH) {
 807                         settings->img_width = clamp(settings->img_width, 0, (int)BUZ_MAX_WIDTH);
 808                         err0++;
 809                 }
 810                 if (settings->img_height < 0 || settings->img_height > BUZ_MAX_HEIGHT / 2) {
 811                         settings->img_height = clamp(settings->img_height, 0, BUZ_MAX_HEIGHT / 2);
 812                         err0++;
 813                 }
 814                 if (settings->img_x + settings->img_width > BUZ_MAX_WIDTH) {
 815                         settings->img_x = BUZ_MAX_WIDTH - settings->img_width;
 816                         err0++;
 817                 }
 818                 if (settings->img_y + settings->img_height > BUZ_MAX_HEIGHT / 2) {
 819                         settings->img_y = BUZ_MAX_HEIGHT / 2 - settings->img_height;
 820                         err0++;
 821                 }
 822                 if (settings->img_width % (16 * settings->hor_dcm) != 0) {
 823                         settings->img_width -= settings->img_width % (16 * settings->hor_dcm);
 824                         if (settings->img_width == 0)
 825                                 settings->img_width = 16 * settings->hor_dcm;
 826                         err0++;
 827                 }
 828                 if (settings->img_height % (8 * settings->ver_dcm) != 0) {
 829                         settings->img_height -= settings->img_height % (8 * settings->ver_dcm);
 830                         if (settings->img_height == 0)
 831                                 settings->img_height = 8 * settings->ver_dcm;
 832                         err0++;
 833                 }
 834
 835                 if (!try && err0) {
 836                         pci_err(zr->pci_dev, "%s - error in params for decimation = 0\n", __func__);
 837                         err++;
 838                 }
 839                 break;
 840         default:
 841                 pci_err(zr->pci_dev, "%s - decimation = %d, must be 0, 1, 2 or 4\n",
 842                         __func__, settings->decimation);
 843                 err++;
 844                 break;
 845         }
 846
 847         if (settings->jpg_comp.quality > 100)
 848                 settings->jpg_comp.quality = 100;
 849         if (settings->jpg_comp.quality < 5)
 850                 settings->jpg_comp.quality = 5;
 851         if (settings->jpg_comp.APPn < 0)
 852                 settings->jpg_comp.APPn = 0;
 853         if (settings->jpg_comp.APPn > 15)
 854                 settings->jpg_comp.APPn = 15;
 855         if (settings->jpg_comp.APP_len < 0)
 856                 settings->jpg_comp.APP_len = 0;
 857         if (settings->jpg_comp.APP_len > 60)
 858                 settings->jpg_comp.APP_len = 60;
 859         if (settings->jpg_comp.COM_len < 0)
 860                 settings->jpg_comp.COM_len = 0;
 861         if (settings->jpg_comp.COM_len > 60)
 862                 settings->jpg_comp.COM_len = 60;
 863         if (err)
 864                 return -EINVAL;
 865         return 0;
 866 }
 867
 868 static int zoran_init_video_device(struct zoran *zr, struct video_device *video_dev, int dir)
 869 {
 870         int err;
 871
 872         /* Now add the template and register the device unit. */
 873         *video_dev = zoran_template;
 874         video_dev->v4l2_dev = &zr->v4l2_dev;
 875         video_dev->lock = &zr->lock;
 876         video_dev->device_caps = V4L2_CAP_STREAMING | dir;
 877
 878         strscpy(video_dev->name, ZR_DEVNAME(zr), sizeof(video_dev->name));
 879         video_dev->vfl_dir = VFL_DIR_RX;
 880         zoran_queue_init(zr, &zr->vq, V4L2_BUF_TYPE_VIDEO_CAPTURE);
 881
 882         err = video_register_device(video_dev, VFL_TYPE_VIDEO, video_nr[zr->id]);
 883         if (err < 0)
 884                 return err;
 885         video_set_drvdata(video_dev, zr);
 886         return 0;
 887 }
 888
 889 static void zoran_exit_video_devices(struct zoran *zr)
 890 {
 891         video_unregister_device(zr->video_dev);
 892         kfree(zr->video_dev);
 893 }
 894
 895 static int zoran_init_video_devices(struct zoran *zr)
 896 {
 897         int err;
 898
 899         zr->video_dev = video_device_alloc();
 900         if (!zr->video_dev)
 901                 return -ENOMEM;
 902
 903         err = zoran_init_video_device(zr, zr->video_dev, V4L2_CAP_VIDEO_CAPTURE);
 904         if (err)
 905                 kfree(zr->video_dev);
 906         return err;
 907 }
 908
 909 /*
 910  * v4l2_device_unregister() will care about removing zr->encoder/zr->decoder
 911  * via v4l2_i2c_subdev_unregister()
 912  */
 913 static int zoran_i2c_init(struct zoran *zr)
 914 {
 915         int err;
 916
 917         pci_info(zr->pci_dev, "Initializing i2c bus...\n");
 918
 919         err = zoran_register_i2c(zr);
 920         if (err) {
 921                 pci_err(zr->pci_dev, "%s - cannot initialize i2c bus\n", __func__);
 922                 return err;
 923         }
 924
 925         zr->decoder = v4l2_i2c_new_subdev(&zr->v4l2_dev, &zr->i2c_adapter,
 926                                           zr->card.i2c_decoder, 0,
 927                                           zr->card.addrs_decoder);
 928         if (!zr->decoder) {
 929                 pci_err(zr->pci_dev, "Fail to get decoder %s\n", zr->card.i2c_decoder);
 930                 err = -EINVAL;
 931                 goto error_decoder;
 932         }
 933
 934         if (zr->card.i2c_encoder) {
 935                 zr->encoder = v4l2_i2c_new_subdev(&zr->v4l2_dev, &zr->i2c_adapter,
 936                                                   zr->card.i2c_encoder, 0,
 937                                                   zr->card.addrs_encoder);
 938                 if (!zr->encoder) {
 939                         pci_err(zr->pci_dev, "Fail to get encoder %s\n", zr->card.i2c_encoder);
 940                         err = -EINVAL;
 941                         goto error_decoder;
 942                 }
 943         }
 944         return 0;
 945
 946 error_decoder:
 947         zoran_unregister_i2c(zr);
 948         return err;
 949 }
 950
 951 static void zoran_i2c_exit(struct zoran *zr)
 952 {
 953         zoran_unregister_i2c(zr);
 954 }
 955
 956 void zoran_open_init_params(struct zoran *zr)
 957 {
 958         int i;
 959
 960         zr->v4l_settings.width = 192;
 961         zr->v4l_settings.height = 144;
 962         zr->v4l_settings.format = &zoran_formats[7];    /* YUY2 - YUV-4:2:2 packed */
 963         zr->v4l_settings.bytesperline = zr->v4l_settings.width *
 964                 ((zr->v4l_settings.format->depth + 7) / 8);
 965
 966         /* Set necessary params and call zoran_check_jpg_settings to set the defaults */
 967         zr->jpg_settings.decimation = 1;
 968         zr->jpg_settings.jpg_comp.quality = 50; /* default compression factor 8 */
 969         if (zr->card.type != BUZ)
 970                 zr->jpg_settings.odd_even = 1;
 971         else
 972                 zr->jpg_settings.odd_even = 0;
 973         zr->jpg_settings.jpg_comp.APPn = 0;
 974         zr->jpg_settings.jpg_comp.APP_len = 0;  /* No APPn marker */
 975         memset(zr->jpg_settings.jpg_comp.APP_data, 0,
 976                sizeof(zr->jpg_settings.jpg_comp.APP_data));
 977         zr->jpg_settings.jpg_comp.COM_len = 0;  /* No COM marker */
 978         memset(zr->jpg_settings.jpg_comp.COM_data, 0,
 979                sizeof(zr->jpg_settings.jpg_comp.COM_data));
 980         zr->jpg_settings.jpg_comp.jpeg_markers =
 981             V4L2_JPEG_MARKER_DHT | V4L2_JPEG_MARKER_DQT;
 982         i = zoran_check_jpg_settings(zr, &zr->jpg_settings, 0);
 983         if (i)
 984                 pci_err(zr->pci_dev, "%s internal error\n", __func__);
 985
 986         zr->buffer_size = zr->v4l_settings.bytesperline * zr->v4l_settings.height;
 987
 988         clear_interrupt_counters(zr);
 989 }
 990
 991 static int zr36057_init(struct zoran *zr)
 992 {
 993         int j, err;
 994
 995         pci_info(zr->pci_dev, "initializing card[%d]\n", zr->id);
 996
 997         /* Avoid nonsense settings from user for default input/norm */
 998         if (default_norm < 0 || default_norm > 2)
 999                 default_norm = 0;
1000         if (default_norm == 0) {
1001                 zr->norm = V4L2_STD_PAL;
1002                 zr->timing = zr->card.tvn[ZR_NORM_PAL];
1003         } else if (default_norm == 1) {
1004                 zr->norm = V4L2_STD_NTSC;
1005                 zr->timing = zr->card.tvn[ZR_NORM_NTSC];
1006         } else {
1007                 zr->norm = V4L2_STD_SECAM;
1008                 zr->timing = zr->card.tvn[ZR_NORM_SECAM];
1009         }
1010         if (!zr->timing) {
1011                 pci_warn(zr->pci_dev,
1012                          "%s - default TV standard not supported by hardware. PAL will be used.\n",
1013                          __func__);
1014                 zr->norm = V4L2_STD_PAL;
1015                 zr->timing = zr->card.tvn[ZR_NORM_PAL];
1016         }
1017
1018         if (default_input > zr->card.inputs - 1) {
1019                 pci_warn(zr->pci_dev, "default_input value %d out of range (0-%d)\n",
1020                          default_input, zr->card.inputs - 1);
1021                 default_input = 0;
1022         }
1023         zr->input = default_input;
1024
1025         /* default setup (will be repeated at every open) */
1026         zoran_open_init_params(zr);
1027
1028         /* allocate memory *before* doing anything to the hardware in case allocation fails */
1029         zr->stat_com = dma_alloc_coherent(&zr->pci_dev->dev,
1030                                           BUZ_NUM_STAT_COM * sizeof(u32),
1031                                           &zr->p_sc, GFP_KERNEL);
1032         if (!zr->stat_com)
1033                 return -ENOMEM;
1034
1035         for (j = 0; j < BUZ_NUM_STAT_COM; j++)
1036                 zr->stat_com[j] = cpu_to_le32(1); /* mark as unavailable to zr36057 */
1037
1038         zr->stat_comb = dma_alloc_coherent(&zr->pci_dev->dev,
1039                                            BUZ_NUM_STAT_COM * sizeof(u32) * 2,
1040                                            &zr->p_scb, GFP_KERNEL);
1041         if (!zr->stat_comb) {
1042                 err = -ENOMEM;
1043                 goto exit_statcom;
1044         }
1045
1046         err = zoran_init_video_devices(zr);
1047         if (err)
1048                 goto exit_statcomb;
1049
1050         zoran_init_hardware(zr);
1051         if (!pass_through) {
1052                 decoder_call(zr, video, s_stream, 0);
1053                 encoder_call(zr, video, s_routing, 2, 0, 0);
1054         }
1055
1056         zr->initialized = 1;
1057         return 0;
1058
1059 exit_statcomb:
1060         dma_free_coherent(&zr->pci_dev->dev, BUZ_NUM_STAT_COM * sizeof(u32) * 2,
1061                           zr->stat_comb, zr->p_scb);
1062 exit_statcom:
1063         dma_free_coherent(&zr->pci_dev->dev, BUZ_NUM_STAT_COM * sizeof(u32),
1064                           zr->stat_com, zr->p_sc);
1065         return err;
1066 }
1067
1068 static void zoran_remove(struct pci_dev *pdev)
1069 {
1070         struct v4l2_device *v4l2_dev = dev_get_drvdata(&pdev->dev);
1071         struct zoran *zr = to_zoran(v4l2_dev);
1072
1073         if (!zr->initialized)
1074                 goto exit_free;
1075
1076         debugfs_remove_recursive(zr->dbgfs_dir);
1077
1078         zoran_queue_exit(zr);
1079
1080         /* unregister videocodec bus */
1081         if (zr->codec)
1082                 videocodec_detach(zr->codec);
1083         if (zr->vfe)
1084                 videocodec_detach(zr->vfe);
1085         videocodec_exit(zr);
1086
1087         /* unregister i2c bus */
1088         zoran_i2c_exit(zr);
1089         /* disable PCI bus-mastering */
1090         zoran_set_pci_master(zr, 0);
1091         /* put chip into reset */
1092         btwrite(0, ZR36057_SPGPPCR);
1093         pci_free_irq(zr->pci_dev, 0, zr);
1094         /* unmap and free memory */
1095         dma_free_coherent(&zr->pci_dev->dev, BUZ_NUM_STAT_COM * sizeof(u32),
1096                           zr->stat_com, zr->p_sc);
1097         dma_free_coherent(&zr->pci_dev->dev, BUZ_NUM_STAT_COM * sizeof(u32) * 2,
1098                           zr->stat_comb, zr->p_scb);
1099         pci_release_regions(pdev);
1100         pci_disable_device(zr->pci_dev);
1101         zoran_exit_video_devices(zr);
1102 exit_free:
1103         v4l2_ctrl_handler_free(&zr->hdl);
1104         v4l2_device_unregister(&zr->v4l2_dev);
1105 }
1106
1107 void zoran_vdev_release(struct video_device *vdev)
1108 {
1109         kfree(vdev);
1110 }
1111
1112 static struct videocodec_master *zoran_setup_videocodec(struct zoran *zr,
1113                                                         int type)
1114 {
1115         struct videocodec_master *m = NULL;
1116
1117         m = devm_kmalloc(&zr->pci_dev->dev, sizeof(*m), GFP_KERNEL);
1118         if (!m)
1119                 return m;
1120
1121         /*
1122          * magic and type are unused for master struct. Makes sense only at codec structs.
1123          * In the past, .type were initialized to the old V4L1 .hardware value,
1124          * as VID_HARDWARE_ZR36067
1125          */
1126         m->magic = 0L;
1127         m->type = 0;
1128
1129         m->flags = CODEC_FLAG_ENCODER | CODEC_FLAG_DECODER;
1130         strscpy(m->name, ZR_DEVNAME(zr), sizeof(m->name));
1131         m->data = zr;
1132
1133         switch (type) {
1134         case CODEC_TYPE_ZR36060:
1135                 m->readreg = zr36060_read;
1136                 m->writereg = zr36060_write;
1137                 m->flags |= CODEC_FLAG_JPEG | CODEC_FLAG_VFE;
1138                 break;
1139         case CODEC_TYPE_ZR36050:
1140                 m->readreg = zr36050_read;
1141                 m->writereg = zr36050_write;
1142                 m->flags |= CODEC_FLAG_JPEG;
1143                 break;
1144         case CODEC_TYPE_ZR36016:
1145                 m->readreg = zr36016_read;
1146                 m->writereg = zr36016_write;
1147                 m->flags |= CODEC_FLAG_VFE;
1148                 break;
1149         }
1150
1151         return m;
1152 }
1153
1154 static void zoran_subdev_notify(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
1155 {
1156         struct zoran *zr = to_zoran(sd->v4l2_dev);
1157
1158         /*
1159          * Bt819 needs to reset its FIFO buffer using #FRST pin and
1160          * LML33 card uses GPIO(7) for that.
1161          */
1162         if (cmd == BT819_FIFO_RESET_LOW)
1163                 GPIO(zr, 7, 0);
1164         else if (cmd == BT819_FIFO_RESET_HIGH)
1165                 GPIO(zr, 7, 1);
1166 }
1167
1168 static int zoran_video_set_ctrl(struct v4l2_ctrl *ctrl)
1169 {
1170         struct zoran *zr = container_of(ctrl->handler, struct zoran, hdl);
1171
1172         switch (ctrl->id) {
1173         case V4L2_CID_JPEG_COMPRESSION_QUALITY:
1174                 zr->jpg_settings.jpg_comp.quality = ctrl->val;
1175                 return zoran_check_jpg_settings(zr, &zr->jpg_settings, 0);
1176         default:
1177                 return -EINVAL;
1178         }
1179
1180         return 0;
1181 }
1182
1183 static const struct v4l2_ctrl_ops zoran_video_ctrl_ops = {
1184         .s_ctrl = zoran_video_set_ctrl,
1185 };
1186
1187 static int zoran_debugfs_show(struct seq_file *seq, void *v)
1188 {
1189         struct zoran *zr = seq->private;
1190
1191         seq_printf(seq, "Running mode %x\n", zr->running);
1192         seq_printf(seq, "Codec mode %x\n", zr->codec_mode);
1193         seq_printf(seq, "Norm %llx\n", zr->norm);
1194         seq_printf(seq, "Input %d\n", zr->input);
1195         seq_printf(seq, "Buffersize %d\n", zr->buffer_size);
1196
1197         seq_printf(seq, "V4L width %dx%d\n", zr->v4l_settings.width, zr->v4l_settings.height);
1198         seq_printf(seq, "V4L bytesperline %d\n", zr->v4l_settings.bytesperline);
1199
1200         seq_printf(seq, "JPG decimation %u\n", zr->jpg_settings.decimation);
1201         seq_printf(seq, "JPG hor_dcm %u\n", zr->jpg_settings.hor_dcm);
1202         seq_printf(seq, "JPG ver_dcm %u\n", zr->jpg_settings.ver_dcm);
1203         seq_printf(seq, "JPG tmp_dcm %u\n", zr->jpg_settings.tmp_dcm);
1204         seq_printf(seq, "JPG odd_even %u\n", zr->jpg_settings.odd_even);
1205         seq_printf(seq, "JPG crop %dx%d %d %d\n",
1206                    zr->jpg_settings.img_x,
1207                    zr->jpg_settings.img_y,
1208                    zr->jpg_settings.img_width,
1209                    zr->jpg_settings.img_height);
1210
1211         seq_printf(seq, "Prepared %u\n", zr->prepared);
1212         seq_printf(seq, "Queued %u\n", zr->queued);
1213
1214         videocodec_debugfs_show(seq);
1215         return 0;
1216 }
1217
1218 DEFINE_SHOW_ATTRIBUTE(zoran_debugfs);
1219
1220 /*
1221  *   Scan for a Buz card (actually for the PCI controller ZR36057),
1222  *   request the irq and map the io memory
1223  */
1224 static int zoran_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1225 {
1226         unsigned char latency, need_latency;
1227         struct zoran *zr;
1228         int result;
1229         struct videocodec_master *master_vfe = NULL;
1230         struct videocodec_master *master_codec = NULL;
1231         int card_num;
1232         unsigned int nr;
1233         int err;
1234
1235         pci_info(pdev, "Zoran MJPEG board driver version %s\n", ZORAN_VERSION);
1236
1237         /* some mainboards might not do PCI-PCI data transfer well */
1238         if (pci_pci_problems & (PCIPCI_FAIL | PCIAGP_FAIL | PCIPCI_ALIMAGIK))
1239                 pci_warn(pdev, "%s: chipset does not support reliable PCI-PCI DMA\n",
1240                          ZORAN_NAME);
1241
1242         err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
1243         if (err)
1244                 return err;
1245         err = vb2_dma_contig_set_max_seg_size(&pdev->dev, U32_MAX);
1246         if (err)
1247                 return err;
1248
1249         nr = zoran_num++;
1250         if (nr >= BUZ_MAX) {
1251                 pci_err(pdev, "driver limited to %d card(s) maximum\n", BUZ_MAX);
1252                 return -ENOENT;
1253         }
1254
1255         zr = devm_kzalloc(&pdev->dev, sizeof(*zr), GFP_KERNEL);
1256         if (!zr)
1257                 return -ENOMEM;
1258
1259         zr->v4l2_dev.notify = zoran_subdev_notify;
1260         if (v4l2_device_register(&pdev->dev, &zr->v4l2_dev))
1261                 goto zr_free_mem;
1262         zr->pci_dev = pdev;
1263         zr->id = nr;
1264         snprintf(ZR_DEVNAME(zr), sizeof(ZR_DEVNAME(zr)), "MJPEG[%u]", zr->id);
1265         if (v4l2_ctrl_handler_init(&zr->hdl, 10))
1266                 goto zr_unreg;
1267         zr->v4l2_dev.ctrl_handler = &zr->hdl;
1268         v4l2_ctrl_new_std(&zr->hdl, &zoran_video_ctrl_ops,
1269                           V4L2_CID_JPEG_COMPRESSION_QUALITY, 0,
1270                           100, 1, 50);
1271         spin_lock_init(&zr->spinlock);
1272         mutex_init(&zr->lock);
1273         if (pci_enable_device(pdev))
1274                 goto zr_unreg;
1275         zr->revision = zr->pci_dev->revision;
1276
1277         pci_info(zr->pci_dev, "Zoran ZR360%c7 (rev %d), irq: %d, memory: 0x%08llx\n",
1278                  zr->revision < 2 ? '5' : '6', zr->revision,
1279                  zr->pci_dev->irq, (uint64_t)pci_resource_start(zr->pci_dev, 0));
1280         if (zr->revision >= 2)
1281                 pci_info(zr->pci_dev, "Subsystem vendor=0x%04x id=0x%04x\n",
1282                          zr->pci_dev->subsystem_vendor, zr->pci_dev->subsystem_device);
1283
1284         /* Use auto-detected card type? */
1285         if (card[nr] == -1) {
1286                 if (zr->revision < 2) {
1287                         pci_err(pdev, "No card type specified, please use the card=X module parameter\n");
1288                         pci_err(pdev, "It is not possible to auto-detect ZR36057 based cards\n");
1289                         goto zr_unreg;
1290                 }
1291
1292                 card_num = ent->driver_data;
1293                 if (card_num >= NUM_CARDS) {
1294                         pci_err(pdev, "Unknown card, try specifying card=X module parameter\n");
1295                         goto zr_unreg;
1296                 }
1297                 pci_info(zr->pci_dev, "%s() - card %s detected\n", __func__,
1298                          zoran_cards[card_num].name);
1299         } else {
1300                 card_num = card[nr];
1301                 if (card_num >= NUM_CARDS || card_num < 0) {
1302                         pci_err(pdev, "User specified card type %d out of range (0 .. %d)\n",
1303                                 card_num, NUM_CARDS - 1);
1304                         goto zr_unreg;
1305                 }
1306         }
1307
1308         /*
1309          * even though we make this a non pointer and thus
1310          * theoretically allow for making changes to this struct
1311          * on a per-individual card basis at runtime, this is
1312          * strongly discouraged. This structure is intended to
1313          * keep general card information, no settings or anything
1314          */
1315         zr->card = zoran_cards[card_num];
1316         snprintf(ZR_DEVNAME(zr), sizeof(ZR_DEVNAME(zr)), "%s[%u]",
1317                  zr->card.name, zr->id);
1318
1319         err = pci_request_regions(pdev, ZR_DEVNAME(zr));
1320         if (err)
1321                 goto zr_unreg;
1322
1323         zr->zr36057_mem = devm_ioremap(&pdev->dev, pci_resource_start(pdev, 0),
1324                                        pci_resource_len(pdev, 0));
1325         if (!zr->zr36057_mem) {
1326                 pci_err(pdev, "%s() - ioremap failed\n", __func__);
1327                 goto zr_pci_release;
1328         }
1329
1330         result = pci_request_irq(pdev, 0, zoran_irq, NULL, zr, ZR_DEVNAME(zr));
1331         if (result < 0) {
1332                 if (result == -EINVAL) {
1333                         pci_err(pdev, "%s - bad IRQ number or handler\n", __func__);
1334                 } else if (result == -EBUSY) {
1335                         pci_err(pdev, "%s - IRQ %d busy, change your PnP config in BIOS\n",
1336                                 __func__, zr->pci_dev->irq);
1337                 } else {
1338                         pci_err(pdev, "%s - cannot assign IRQ, error code %d\n", __func__, result);
1339                 }
1340                 goto zr_pci_release;
1341         }
1342
1343         /* set PCI latency timer */
1344         pci_read_config_byte(zr->pci_dev, PCI_LATENCY_TIMER,
1345                              &latency);
1346         need_latency = zr->revision > 1 ? 32 : 48;
1347         if (latency != need_latency) {
1348                 pci_info(zr->pci_dev, "Changing PCI latency from %d to %d\n",
1349                          latency, need_latency);
1350                 pci_write_config_byte(zr->pci_dev, PCI_LATENCY_TIMER, need_latency);
1351         }
1352
1353         zr36057_restart(zr);
1354
1355         err = zoran_i2c_init(zr);
1356         if (err)
1357                 goto zr_free_irq;
1358
1359         pci_info(zr->pci_dev, "Initializing videocodec bus...\n");
1360         err = videocodec_init(zr);
1361         if (err)
1362                 goto zr_unreg_i2c;
1363
1364         /* reset JPEG codec */
1365         jpeg_codec_sleep(zr, 1);
1366         jpeg_codec_reset(zr);
1367         /* video bus enabled */
1368         /* display codec revision */
1369         if (zr->card.video_codec != 0) {
1370                 master_codec = zoran_setup_videocodec(zr, zr->card.video_codec);
1371                 if (!master_codec)
1372                         goto zr_unreg_videocodec;
1373                 zr->codec = videocodec_attach(master_codec);
1374                 if (!zr->codec) {
1375                         pci_err(pdev, "%s - no codec found\n", __func__);
1376                         goto zr_unreg_videocodec;
1377                 }
1378                 if (zr->codec->type != zr->card.video_codec) {
1379                         pci_err(pdev, "%s - wrong codec\n", __func__);
1380                         goto zr_unreg_videocodec;
1381                 }
1382         }
1383         if (zr->card.video_vfe != 0) {
1384                 master_vfe = zoran_setup_videocodec(zr, zr->card.video_vfe);
1385                 if (!master_vfe)
1386                         goto zr_detach_codec;
1387                 zr->vfe = videocodec_attach(master_vfe);
1388                 if (!zr->vfe) {
1389                         pci_err(pdev, "%s - no VFE found\n", __func__);
1390                         goto zr_detach_codec;
1391                 }
1392                 if (zr->vfe->type != zr->card.video_vfe) {
1393                         pci_err(pdev, "%s = wrong VFE\n", __func__);
1394                         goto zr_detach_vfe;
1395                 }
1396         }
1397
1398         /* take care of Natoma chipset and a revision 1 zr36057 */
1399         if ((pci_pci_problems & PCIPCI_NATOMA) && zr->revision <= 1)
1400                 pci_info(zr->pci_dev, "ZR36057/Natoma bug, max. buffer size is 128K\n");
1401
1402         if (zr36057_init(zr) < 0)
1403                 goto zr_detach_vfe;
1404
1405         zr->map_mode = ZORAN_MAP_MODE_RAW;
1406
1407         zr->dbgfs_dir = debugfs_create_dir(ZR_DEVNAME(zr), NULL);
1408         debugfs_create_file("debug", 0444, zr->dbgfs_dir, zr,
1409                             &zoran_debugfs_fops);
1410         return 0;
1411
1412 zr_detach_vfe:
1413         videocodec_detach(zr->vfe);
1414 zr_detach_codec:
1415         videocodec_detach(zr->codec);
1416 zr_unreg_videocodec:
1417         videocodec_exit(zr);
1418 zr_unreg_i2c:
1419         zoran_i2c_exit(zr);
1420 zr_free_irq:
1421         btwrite(0, ZR36057_SPGPPCR);
1422         pci_free_irq(zr->pci_dev, 0, zr);
1423 zr_pci_release:
1424         pci_release_regions(pdev);
1425 zr_unreg:
1426         v4l2_ctrl_handler_free(&zr->hdl);
1427         v4l2_device_unregister(&zr->v4l2_dev);
1428 zr_free_mem:
1429
1430         return -ENODEV;
1431 }
1432
1433 static struct pci_driver zoran_driver = {
1434         .name = "zr36067",
1435         .id_table = zr36067_pci_tbl,
1436         .probe = zoran_probe,
1437         .remove = zoran_remove,
1438 };
1439
1440 module_pci_driver(zoran_driver);