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         pci_dbg(zr->pci_dev, "%s\n", __func__);
 176
 177         /* Pixel clock selection */
 178         GPIO(zr, 4, 0);
 179         GPIO(zr, 5, 1);
 180         /* Enable the video bus sync signals */
 181         GPIO(zr, 7, 0);
 182 }
 183
 184 static void dc10plus_init(struct zoran *zr)
 185 {
 186         pci_dbg(zr->pci_dev, "%s\n", __func__);
 187 }
 188
 189 static void buz_init(struct zoran *zr)
 190 {
 191         pci_dbg(zr->pci_dev, "%s\n", __func__);
 192
 193         /* some stuff from Iomega */
 194         pci_write_config_dword(zr->pci_dev, 0xfc, 0x90680f15);
 195         pci_write_config_dword(zr->pci_dev, 0x0c, 0x00012020);
 196         pci_write_config_dword(zr->pci_dev, 0xe8, 0xc0200000);
 197 }
 198
 199 static void lml33_init(struct zoran *zr)
 200 {
 201         pci_dbg(zr->pci_dev, "%s\n", __func__);
 202
 203         GPIO(zr, 2, 1);         // Set Composite input/output
 204 }
 205
 206 static void avs6eyes_init(struct zoran *zr)
 207 {
 208         // AverMedia 6-Eyes original driver by Christer Weinigel
 209
 210         // Lifted straight from Christer's old driver and
 211         // modified slightly by Martin Samuelsson.
 212
 213         int mux = default_mux; /* 1 = BT866, 7 = VID1 */
 214
 215         GPIO(zr, 4, 1); /* Bt866 SLEEP on */
 216         udelay(2);
 217
 218         GPIO(zr, 0, 1); /* ZR36060 /RESET on */
 219         GPIO(zr, 1, 0); /* ZR36060 /SLEEP on */
 220         GPIO(zr, 2, mux & 1);   /* MUX S0 */
 221         GPIO(zr, 3, 0); /* /FRAME on */
 222         GPIO(zr, 4, 0); /* Bt866 SLEEP off */
 223         GPIO(zr, 5, mux & 2);   /* MUX S1 */
 224         GPIO(zr, 6, 0); /* ? */
 225         GPIO(zr, 7, mux & 4);   /* MUX S2 */
 226 }
 227
 228 static const char *codecid_to_modulename(u16 codecid)
 229 {
 230         const char *name = NULL;
 231
 232         switch (codecid) {
 233         case CODEC_TYPE_ZR36060:
 234                 name = "zr36060";
 235                 break;
 236         case CODEC_TYPE_ZR36050:
 237                 name = "zr36050";
 238                 break;
 239         case CODEC_TYPE_ZR36016:
 240                 name = "zr36016";
 241                 break;
 242         }
 243
 244         return name;
 245 }
 246
 247 static int codec_init(struct zoran *zr, u16 codecid)
 248 {
 249         switch (codecid) {
 250         case CODEC_TYPE_ZR36060:
 251 #ifdef CONFIG_VIDEO_ZORAN_ZR36060
 252                 return zr36060_init_module();
 253 #else
 254                 pci_err(zr->pci_dev, "ZR36060 support is not enabled\n");
 255                 return -EINVAL;
 256 #endif
 257                 break;
 258         case CODEC_TYPE_ZR36050:
 259 #ifdef CONFIG_VIDEO_ZORAN_DC30
 260                 return zr36050_init_module();
 261 #else
 262                 pci_err(zr->pci_dev, "ZR36050 support is not enabled\n");
 263                 return -EINVAL;
 264 #endif
 265                 break;
 266         case CODEC_TYPE_ZR36016:
 267 #ifdef CONFIG_VIDEO_ZORAN_DC30
 268                 return zr36016_init_module();
 269 #else
 270                 pci_err(zr->pci_dev, "ZR36016 support is not enabled\n");
 271                 return -EINVAL;
 272 #endif
 273                 break;
 274         }
 275
 276         pci_err(zr->pci_dev, "unknown codec id %x\n", codecid);
 277         return -EINVAL;
 278 }
 279
 280 static void codec_exit(struct zoran *zr, u16 codecid)
 281 {
 282         switch (codecid) {
 283         case CODEC_TYPE_ZR36060:
 284 #ifdef CONFIG_VIDEO_ZORAN_ZR36060
 285                 zr36060_cleanup_module();
 286 #endif
 287                 break;
 288         case CODEC_TYPE_ZR36050:
 289 #ifdef CONFIG_VIDEO_ZORAN_DC30
 290                 zr36050_cleanup_module();
 291 #endif
 292                 break;
 293         case CODEC_TYPE_ZR36016:
 294 #ifdef CONFIG_VIDEO_ZORAN_DC30
 295                 zr36016_cleanup_module();
 296 #endif
 297                 break;
 298         }
 299 }
 300
 301 static int videocodec_init(struct zoran *zr)
 302 {
 303         const char *codec_name, *vfe_name;
 304         int result;
 305
 306         codec_name = codecid_to_modulename(zr->card.video_codec);
 307         if (codec_name) {
 308                 result = codec_init(zr, zr->card.video_codec);
 309                 if (result < 0) {
 310                         pci_err(zr->pci_dev, "failed to load video codec %s: %d\n",
 311                                 codec_name, result);
 312                         return result;
 313                 }
 314         }
 315         vfe_name = codecid_to_modulename(zr->card.video_vfe);
 316         if (vfe_name) {
 317                 result = codec_init(zr, zr->card.video_vfe);
 318                 if (result < 0) {
 319                         pci_err(zr->pci_dev, "failed to load video vfe %s: %d\n",
 320                                 vfe_name, result);
 321                         if (codec_name)
 322                                 codec_exit(zr, zr->card.video_codec);
 323                         return result;
 324                 }
 325         }
 326         return 0;
 327 }
 328
 329 static void videocodec_exit(struct zoran *zr)
 330 {
 331         if (zr->card.video_codec != CODEC_TYPE_NONE)
 332                 codec_exit(zr, zr->card.video_codec);
 333         if (zr->card.video_vfe != CODEC_TYPE_NONE)
 334                 codec_exit(zr, zr->card.video_vfe);
 335 }
 336
 337 // struct tvnorm {
 338 //      u16 wt, wa, h_start, h_sync_start, ht, ha, v_start;
 339 // };
 340
 341 static const struct tvnorm f50sqpixel = { 944, 768, 83, 880, 625, 576, 16 };
 342 static const struct tvnorm f60sqpixel = { 780, 640, 51, 716, 525, 480, 12 };
 343 static const struct tvnorm f50ccir601 = { 864, 720, 75, 804, 625, 576, 18 };
 344 static const struct tvnorm f60ccir601 = { 858, 720, 57, 788, 525, 480, 16 };
 345
 346 static const struct tvnorm f50ccir601_lml33 = { 864, 720, 75 + 34, 804, 625, 576, 18 };
 347 static const struct tvnorm f60ccir601_lml33 = { 858, 720, 57 + 34, 788, 525, 480, 16 };
 348
 349 /* The DC10 (57/16/50) uses VActive as HSync, so h_start must be 0 */
 350 static const struct tvnorm f50sqpixel_dc10 = { 944, 768, 0, 880, 625, 576, 0 };
 351 static const struct tvnorm f60sqpixel_dc10 = { 780, 640, 0, 716, 525, 480, 12 };
 352
 353 /*
 354  * FIXME: I cannot swap U and V in saa7114, so i do one pixel left shift in zoran (75 -> 74)
 355  * (Maxim Yevtyushkin <max@linuxmedialabs.com>)
 356  */
 357 static const struct tvnorm f50ccir601_lm33r10 = { 864, 720, 74 + 54, 804, 625, 576, 18 };
 358 static const struct tvnorm f60ccir601_lm33r10 = { 858, 720, 56 + 54, 788, 525, 480, 16 };
 359
 360 /*
 361  * FIXME: The ks0127 seem incapable of swapping U and V, too, which is why I copy Maxim's left
 362  * shift hack for the 6 Eyes.
 363  *
 364  * Christer's driver used the unshifted norms, though...
 365  * /Sam
 366  */
 367 static const struct tvnorm f50ccir601_avs6eyes = { 864, 720, 74, 804, 625, 576, 18 };
 368 static const struct tvnorm f60ccir601_avs6eyes = { 858, 720, 56, 788, 525, 480, 16 };
 369
 370 static const unsigned short vpx3220_addrs[] = { 0x43, 0x47, I2C_CLIENT_END };
 371 static const unsigned short saa7110_addrs[] = { 0x4e, 0x4f, I2C_CLIENT_END };
 372 static const unsigned short saa7111_addrs[] = { 0x25, 0x24, I2C_CLIENT_END };
 373 static const unsigned short saa7114_addrs[] = { 0x21, 0x20, I2C_CLIENT_END };
 374 static const unsigned short adv717x_addrs[] = { 0x6a, 0x6b, 0x2a, 0x2b, I2C_CLIENT_END };
 375 static const unsigned short ks0127_addrs[] = { 0x6c, 0x6d, I2C_CLIENT_END };
 376 static const unsigned short saa7185_addrs[] = { 0x44, I2C_CLIENT_END };
 377 static const unsigned short bt819_addrs[] = { 0x45, I2C_CLIENT_END };
 378 static const unsigned short bt856_addrs[] = { 0x44, I2C_CLIENT_END };
 379 static const unsigned short bt866_addrs[] = { 0x44, I2C_CLIENT_END };
 380
 381 static struct card_info zoran_cards[NUM_CARDS] = {
 382         {
 383                 .type = DC10_OLD,
 384                 .name = "DC10(old)",
 385                 .i2c_decoder = "vpx3220a",
 386                 .addrs_decoder = vpx3220_addrs,
 387                 .video_codec = CODEC_TYPE_ZR36050,
 388                 .video_vfe = CODEC_TYPE_ZR36016,
 389
 390                 .inputs = 3,
 391                 .input = {
 392                         { 1, "Composite" },
 393                         { 2, "S-Video" },
 394                         { 0, "Internal/comp" }
 395                 },
 396                 .norms = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM,
 397                 .tvn = {
 398                         &f50sqpixel_dc10,
 399                         &f60sqpixel_dc10,
 400                         &f50sqpixel_dc10
 401                 },
 402                 .jpeg_int = 0,
 403                 .vsync_int = ZR36057_ISR_GIRQ1,
 404                 .gpio = { 2, 1, -1, 3, 7, 0, 4, 5 },
 405                 .gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 },
 406                 .gpcs = { -1, 0 },
 407                 .vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
 408                 .gws_not_connected = 0,
 409                 .input_mux = 0,
 410                 .init = &dc10_init,
 411         }, {
 412                 .type = DC10_NEW,
 413                 .name = "DC10(new)",
 414                 .i2c_decoder = "saa7110",
 415                 .addrs_decoder = saa7110_addrs,
 416                 .i2c_encoder = "adv7175",
 417                 .addrs_encoder = adv717x_addrs,
 418                 .video_codec = CODEC_TYPE_ZR36060,
 419
 420                 .inputs = 3,
 421                 .input = {
 422                                 { 0, "Composite" },
 423                                 { 7, "S-Video" },
 424                                 { 5, "Internal/comp" }
 425                         },
 426                 .norms = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM,
 427                 .tvn = {
 428                                 &f50sqpixel,
 429                                 &f60sqpixel,
 430                                 &f50sqpixel},
 431                 .jpeg_int = ZR36057_ISR_GIRQ0,
 432                 .vsync_int = ZR36057_ISR_GIRQ1,
 433                 .gpio = { 3, 0, 6, 1, 2, -1, 4, 5 },
 434                 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
 435                 .gpcs = { -1, 1},
 436                 .vfe_pol = { 1, 1, 1, 1, 0, 0, 0, 0 },
 437                 .gws_not_connected = 0,
 438                 .input_mux = 0,
 439                 .init = &dc10plus_init,
 440         }, {
 441                 .type = DC10_PLUS,
 442                 .name = "DC10_PLUS",
 443                 .i2c_decoder = "saa7110",
 444                 .addrs_decoder = saa7110_addrs,
 445                 .i2c_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                 .addrs_decoder = vpx3220_addrs,
 475                 .i2c_encoder = "adv7175",
 476                 .addrs_encoder = adv717x_addrs,
 477                 .video_codec = CODEC_TYPE_ZR36050,
 478                 .video_vfe = CODEC_TYPE_ZR36016,
 479
 480                 .inputs = 3,
 481                 .input = {
 482                         { 1, "Composite" },
 483                         { 2, "S-Video" },
 484                         { 0, "Internal/comp" }
 485                 },
 486                 .norms = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM,
 487                 .tvn = {
 488                         &f50sqpixel_dc10,
 489                         &f60sqpixel_dc10,
 490                         &f50sqpixel_dc10
 491                 },
 492                 .jpeg_int = 0,
 493                 .vsync_int = ZR36057_ISR_GIRQ1,
 494                 .gpio = { 2, 1, -1, 3, 7, 0, 4, 5 },
 495                 .gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 },
 496                 .gpcs = { -1, 0 },
 497                 .vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
 498                 .gws_not_connected = 0,
 499                 .input_mux = 0,
 500                 .init = &dc10_init,
 501         }, {
 502                 .type = DC30_PLUS,
 503                 .name = "DC30_PLUS",
 504                 .i2c_decoder = "vpx3220a",
 505                 .addrs_decoder = vpx3220_addrs,
 506                 .i2c_encoder = "adv7175",
 507                 .addrs_encoder = adv717x_addrs,
 508                 .video_codec = CODEC_TYPE_ZR36050,
 509                 .video_vfe = CODEC_TYPE_ZR36016,
 510
 511                 .inputs = 3,
 512                 .input = {
 513                         { 1, "Composite" },
 514                         { 2, "S-Video" },
 515                         { 0, "Internal/comp" }
 516                 },
 517                 .norms = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM,
 518                 .tvn = {
 519                         &f50sqpixel_dc10,
 520                         &f60sqpixel_dc10,
 521                         &f50sqpixel_dc10
 522                 },
 523                 .jpeg_int = 0,
 524                 .vsync_int = ZR36057_ISR_GIRQ1,
 525                 .gpio = { 2, 1, -1, 3, 7, 0, 4, 5 },
 526                 .gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 },
 527                 .gpcs = { -1, 0 },
 528                 .vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
 529                 .gws_not_connected = 0,
 530                 .input_mux = 0,
 531                 .init = &dc10_init,
 532         }, {
 533                 .type = LML33,
 534                 .name = "LML33",
 535                 .i2c_decoder = "bt819a",
 536                 .addrs_decoder = bt819_addrs,
 537                 .i2c_encoder = "bt856",
 538                 .addrs_encoder = bt856_addrs,
 539                 .video_codec = CODEC_TYPE_ZR36060,
 540
 541                 .inputs = 2,
 542                 .input = {
 543                         { 0, "Composite" },
 544                         { 7, "S-Video" }
 545                 },
 546                 .norms = V4L2_STD_NTSC | V4L2_STD_PAL,
 547                 .tvn = {
 548                         &f50ccir601_lml33,
 549                         &f60ccir601_lml33,
 550                         NULL
 551                 },
 552                 .jpeg_int = ZR36057_ISR_GIRQ1,
 553                 .vsync_int = ZR36057_ISR_GIRQ0,
 554                 .gpio = { 1, -1, 3, 5, 7, -1, -1, -1 },
 555                 .gpio_pol = { 0, 0, 0, 0, 1, 0, 0, 0 },
 556                 .gpcs = { 3, 1 },
 557                 .vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 },
 558                 .gws_not_connected = 1,
 559                 .input_mux = 0,
 560                 .init = &lml33_init,
 561         }, {
 562                 .type = LML33R10,
 563                 .name = "LML33R10",
 564                 .i2c_decoder = "saa7114",
 565                 .addrs_decoder = saa7114_addrs,
 566                 .i2c_encoder = "adv7170",
 567                 .addrs_encoder = adv717x_addrs,
 568                 .video_codec = CODEC_TYPE_ZR36060,
 569
 570                 .inputs = 2,
 571                 .input = {
 572                         { 0, "Composite" },
 573                         { 7, "S-Video" }
 574                 },
 575                 .norms = V4L2_STD_NTSC | V4L2_STD_PAL,
 576                 .tvn = {
 577                         &f50ccir601_lm33r10,
 578                         &f60ccir601_lm33r10,
 579                         NULL
 580                 },
 581                 .jpeg_int = ZR36057_ISR_GIRQ1,
 582                 .vsync_int = ZR36057_ISR_GIRQ0,
 583                 .gpio = { 1, -1, 3, 5, 7, -1, -1, -1 },
 584                 .gpio_pol = { 0, 0, 0, 0, 1, 0, 0, 0 },
 585                 .gpcs = { 3, 1 },
 586                 .vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 },
 587                 .gws_not_connected = 1,
 588                 .input_mux = 0,
 589                 .init = &lml33_init,
 590         }, {
 591                 .type = BUZ,
 592                 .name = "Buz",
 593                 .i2c_decoder = "saa7111",
 594                 .addrs_decoder = saa7111_addrs,
 595                 .i2c_encoder = "saa7185",
 596                 .addrs_encoder = saa7185_addrs,
 597                 .video_codec = CODEC_TYPE_ZR36060,
 598
 599                 .inputs = 2,
 600                 .input = {
 601                         { 3, "Composite" },
 602                         { 7, "S-Video" }
 603                 },
 604                 .norms = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM,
 605                 .tvn = {
 606                         &f50ccir601,
 607                         &f60ccir601,
 608                         &f50ccir601
 609                 },
 610                 .jpeg_int = ZR36057_ISR_GIRQ1,
 611                 .vsync_int = ZR36057_ISR_GIRQ0,
 612                 .gpio = { 1, -1, 3, -1, -1, -1, -1, -1 },
 613                 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
 614                 .gpcs = { 3, 1 },
 615                 .vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 },
 616                 .gws_not_connected = 1,
 617                 .input_mux = 0,
 618                 .init = &buz_init,
 619         }, {
 620                 .type = AVS6EYES,
 621                 .name = "6-Eyes",
 622 /* AverMedia chose not to brand the 6-Eyes. Thus it can't be autodetected, and requires card=x. */
 623                 .i2c_decoder = "ks0127",
 624                 .addrs_decoder = ks0127_addrs,
 625                 .i2c_encoder = "bt866",
 626                 .addrs_encoder = bt866_addrs,
 627                 .video_codec = CODEC_TYPE_ZR36060,
 628
 629                 .inputs = 10,
 630                 .input = {
 631                         { 0, "Composite 1" },
 632                         { 1, "Composite 2" },
 633                         { 2, "Composite 3" },
 634                         { 4, "Composite 4" },
 635                         { 5, "Composite 5" },
 636                         { 6, "Composite 6" },
 637                         { 8, "S-Video 1" },
 638                         { 9, "S-Video 2" },
 639                         {10, "S-Video 3" },
 640                         {15, "YCbCr" }
 641                 },
 642                 .norms = V4L2_STD_NTSC | V4L2_STD_PAL,
 643                 .tvn = {
 644                         &f50ccir601_avs6eyes,
 645                         &f60ccir601_avs6eyes,
 646                         NULL
 647                 },
 648                 .jpeg_int = ZR36057_ISR_GIRQ1,
 649                 .vsync_int = ZR36057_ISR_GIRQ0,
 650                 .gpio = { 1, 0, 3, -1, -1, -1, -1, -1 },// Validity unknown /Sam
 651                 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 }, // Validity unknown /Sam
 652                 .gpcs = { 3, 1 },                       // Validity unknown /Sam
 653                 .vfe_pol = { 1, 0, 0, 0, 0, 1, 0, 0 },  // Validity unknown /Sam
 654                 .gws_not_connected = 1,
 655                 .input_mux = 1,
 656                 .init = &avs6eyes_init,
 657         }
 658
 659 };
 660
 661 /*
 662  * I2C functions
 663  */
 664 /* software I2C functions */
 665 static int zoran_i2c_getsda(void *data)
 666 {
 667         struct zoran *zr = (struct zoran *)data;
 668
 669         return (btread(ZR36057_I2CBR) >> 1) & 1;
 670 }
 671
 672 static int zoran_i2c_getscl(void *data)
 673 {
 674         struct zoran *zr = (struct zoran *)data;
 675
 676         return btread(ZR36057_I2CBR) & 1;
 677 }
 678
 679 static void zoran_i2c_setsda(void *data, int state)
 680 {
 681         struct zoran *zr = (struct zoran *)data;
 682
 683         if (state)
 684                 zr->i2cbr |= 2;
 685         else
 686                 zr->i2cbr &= ~2;
 687         btwrite(zr->i2cbr, ZR36057_I2CBR);
 688 }
 689
 690 static void zoran_i2c_setscl(void *data, int state)
 691 {
 692         struct zoran *zr = (struct zoran *)data;
 693
 694         if (state)
 695                 zr->i2cbr |= 1;
 696         else
 697                 zr->i2cbr &= ~1;
 698         btwrite(zr->i2cbr, ZR36057_I2CBR);
 699 }
 700
 701 static const struct i2c_algo_bit_data zoran_i2c_bit_data_template = {
 702         .setsda = zoran_i2c_setsda,
 703         .setscl = zoran_i2c_setscl,
 704         .getsda = zoran_i2c_getsda,
 705         .getscl = zoran_i2c_getscl,
 706         .udelay = 10,
 707         .timeout = 100,
 708 };
 709
 710 static int zoran_register_i2c(struct zoran *zr)
 711 {
 712         zr->i2c_algo = zoran_i2c_bit_data_template;
 713         zr->i2c_algo.data = zr;
 714         strscpy(zr->i2c_adapter.name, ZR_DEVNAME(zr),
 715                 sizeof(zr->i2c_adapter.name));
 716         i2c_set_adapdata(&zr->i2c_adapter, &zr->v4l2_dev);
 717         zr->i2c_adapter.algo_data = &zr->i2c_algo;
 718         zr->i2c_adapter.dev.parent = &zr->pci_dev->dev;
 719         return i2c_bit_add_bus(&zr->i2c_adapter);
 720 }
 721
 722 static void zoran_unregister_i2c(struct zoran *zr)
 723 {
 724         i2c_del_adapter(&zr->i2c_adapter);
 725 }
 726
 727 /* Check a zoran_params struct for correctness, insert default params */
 728 int zoran_check_jpg_settings(struct zoran *zr,
 729                              struct zoran_jpg_settings *settings, int try)
 730 {
 731         int err = 0, err0 = 0;
 732
 733         pci_dbg(zr->pci_dev, "%s - dec: %d, Hdcm: %d, Vdcm: %d, Tdcm: %d\n",
 734                 __func__, settings->decimation, settings->hor_dcm,
 735                 settings->ver_dcm, settings->tmp_dcm);
 736         pci_dbg(zr->pci_dev, "%s - x: %d, y: %d, w: %d, y: %d\n", __func__,
 737                 settings->img_x, settings->img_y,
 738                 settings->img_width, settings->img_height);
 739         /* Check decimation, set default values for decimation = 1, 2, 4 */
 740         switch (settings->decimation) {
 741         case 1:
 742
 743                 settings->hor_dcm = 1;
 744                 settings->ver_dcm = 1;
 745                 settings->tmp_dcm = 1;
 746                 settings->field_per_buff = 2;
 747                 settings->img_x = 0;
 748                 settings->img_y = 0;
 749                 settings->img_width = BUZ_MAX_WIDTH;
 750                 settings->img_height = BUZ_MAX_HEIGHT / 2;
 751                 break;
 752         case 2:
 753
 754                 settings->hor_dcm = 2;
 755                 settings->ver_dcm = 1;
 756                 settings->tmp_dcm = 2;
 757                 settings->field_per_buff = 1;
 758                 settings->img_x = (BUZ_MAX_WIDTH == 720) ? 8 : 0;
 759                 settings->img_y = 0;
 760                 settings->img_width =
 761                     (BUZ_MAX_WIDTH == 720) ? 704 : BUZ_MAX_WIDTH;
 762                 settings->img_height = BUZ_MAX_HEIGHT / 2;
 763                 break;
 764         case 4:
 765
 766                 if (zr->card.type == DC10_NEW) {
 767                         pci_dbg(zr->pci_dev, "%s - HDec by 4 is not supported on the DC10\n", __func__);
 768                         err0++;
 769                         break;
 770                 }
 771
 772                 settings->hor_dcm = 4;
 773                 settings->ver_dcm = 2;
 774                 settings->tmp_dcm = 2;
 775                 settings->field_per_buff = 1;
 776                 settings->img_x = (BUZ_MAX_WIDTH == 720) ? 8 : 0;
 777                 settings->img_y = 0;
 778                 settings->img_width =
 779                     (BUZ_MAX_WIDTH == 720) ? 704 : BUZ_MAX_WIDTH;
 780                 settings->img_height = BUZ_MAX_HEIGHT / 2;
 781                 break;
 782         case 0:
 783
 784                 /* We have to check the data the user has set */
 785
 786                 if (settings->hor_dcm != 1 && settings->hor_dcm != 2 &&
 787                     (zr->card.type == DC10_NEW || settings->hor_dcm != 4)) {
 788                         settings->hor_dcm = clamp(settings->hor_dcm, 1, 2);
 789                         err0++;
 790                 }
 791                 if (settings->ver_dcm != 1 && settings->ver_dcm != 2) {
 792                         settings->ver_dcm = clamp(settings->ver_dcm, 1, 2);
 793                         err0++;
 794                 }
 795                 if (settings->tmp_dcm != 1 && settings->tmp_dcm != 2) {
 796                         settings->tmp_dcm = clamp(settings->tmp_dcm, 1, 2);
 797                         err0++;
 798                 }
 799                 if (settings->field_per_buff != 1 &&
 800                     settings->field_per_buff != 2) {
 801                         settings->field_per_buff = clamp(settings->field_per_buff, 1, 2);
 802                         err0++;
 803                 }
 804                 if (settings->img_x < 0) {
 805                         settings->img_x = 0;
 806                         err0++;
 807                 }
 808                 if (settings->img_y < 0) {
 809                         settings->img_y = 0;
 810                         err0++;
 811                 }
 812                 if (settings->img_width < 0 || settings->img_width > BUZ_MAX_WIDTH) {
 813                         settings->img_width = clamp(settings->img_width, 0, (int)BUZ_MAX_WIDTH);
 814                         err0++;
 815                 }
 816                 if (settings->img_height < 0 || settings->img_height > BUZ_MAX_HEIGHT / 2) {
 817                         settings->img_height = clamp(settings->img_height, 0, BUZ_MAX_HEIGHT / 2);
 818                         err0++;
 819                 }
 820                 if (settings->img_x + settings->img_width > BUZ_MAX_WIDTH) {
 821                         settings->img_x = BUZ_MAX_WIDTH - settings->img_width;
 822                         err0++;
 823                 }
 824                 if (settings->img_y + settings->img_height > BUZ_MAX_HEIGHT / 2) {
 825                         settings->img_y = BUZ_MAX_HEIGHT / 2 - settings->img_height;
 826                         err0++;
 827                 }
 828                 if (settings->img_width % (16 * settings->hor_dcm) != 0) {
 829                         settings->img_width -= settings->img_width % (16 * settings->hor_dcm);
 830                         if (settings->img_width == 0)
 831                                 settings->img_width = 16 * settings->hor_dcm;
 832                         err0++;
 833                 }
 834                 if (settings->img_height % (8 * settings->ver_dcm) != 0) {
 835                         settings->img_height -= settings->img_height % (8 * settings->ver_dcm);
 836                         if (settings->img_height == 0)
 837                                 settings->img_height = 8 * settings->ver_dcm;
 838                         err0++;
 839                 }
 840
 841                 if (!try && err0) {
 842                         pci_err(zr->pci_dev, "%s - error in params for decimation = 0\n", __func__);
 843                         err++;
 844                 }
 845                 break;
 846         default:
 847                 pci_err(zr->pci_dev, "%s - decimation = %d, must be 0, 1, 2 or 4\n",
 848                         __func__, settings->decimation);
 849                 err++;
 850                 break;
 851         }
 852
 853         if (settings->jpg_comp.quality > 100)
 854                 settings->jpg_comp.quality = 100;
 855         if (settings->jpg_comp.quality < 5)
 856                 settings->jpg_comp.quality = 5;
 857         if (settings->jpg_comp.APPn < 0)
 858                 settings->jpg_comp.APPn = 0;
 859         if (settings->jpg_comp.APPn > 15)
 860                 settings->jpg_comp.APPn = 15;
 861         if (settings->jpg_comp.APP_len < 0)
 862                 settings->jpg_comp.APP_len = 0;
 863         if (settings->jpg_comp.APP_len > 60)
 864                 settings->jpg_comp.APP_len = 60;
 865         if (settings->jpg_comp.COM_len < 0)
 866                 settings->jpg_comp.COM_len = 0;
 867         if (settings->jpg_comp.COM_len > 60)
 868                 settings->jpg_comp.COM_len = 60;
 869         if (err)
 870                 return -EINVAL;
 871         return 0;
 872 }
 873
 874 static int zoran_init_video_device(struct zoran *zr, struct video_device *video_dev, int dir)
 875 {
 876         int err;
 877
 878         /* Now add the template and register the device unit. */
 879         *video_dev = zoran_template;
 880         video_dev->v4l2_dev = &zr->v4l2_dev;
 881         video_dev->lock = &zr->lock;
 882         video_dev->device_caps = V4L2_CAP_STREAMING | dir;
 883
 884         strscpy(video_dev->name, ZR_DEVNAME(zr), sizeof(video_dev->name));
 885         /*
 886          * It's not a mem2mem device, but you can both capture and output from one and the same
 887          * device. This should really be split up into two device nodes, but that's a job for
 888          * another day.
 889          */
 890         video_dev->vfl_dir = VFL_DIR_M2M;
 891         zoran_queue_init(zr, &zr->vq, V4L2_BUF_TYPE_VIDEO_CAPTURE);
 892
 893         err = video_register_device(video_dev, VFL_TYPE_VIDEO, video_nr[zr->id]);
 894         if (err < 0)
 895                 return err;
 896         video_set_drvdata(video_dev, zr);
 897         return 0;
 898 }
 899
 900 static void zoran_exit_video_devices(struct zoran *zr)
 901 {
 902         video_unregister_device(zr->video_dev);
 903         kfree(zr->video_dev);
 904 }
 905
 906 static int zoran_init_video_devices(struct zoran *zr)
 907 {
 908         int err;
 909
 910         zr->video_dev = video_device_alloc();
 911         if (!zr->video_dev)
 912                 return -ENOMEM;
 913
 914         err = zoran_init_video_device(zr, zr->video_dev, V4L2_CAP_VIDEO_CAPTURE);
 915         if (err)
 916                 kfree(zr->video_dev);
 917         return err;
 918 }
 919
 920 /*
 921  * v4l2_device_unregister() will care about removing zr->encoder/zr->decoder
 922  * via v4l2_i2c_subdev_unregister()
 923  */
 924 static int zoran_i2c_init(struct zoran *zr)
 925 {
 926         int err;
 927
 928         pci_info(zr->pci_dev, "Initializing i2c bus...\n");
 929
 930         err = zoran_register_i2c(zr);
 931         if (err) {
 932                 pci_err(zr->pci_dev, "%s - cannot initialize i2c bus\n", __func__);
 933                 return err;
 934         }
 935
 936         zr->decoder = v4l2_i2c_new_subdev(&zr->v4l2_dev, &zr->i2c_adapter,
 937                                           zr->card.i2c_decoder, 0,
 938                                           zr->card.addrs_decoder);
 939         if (!zr->decoder) {
 940                 pci_err(zr->pci_dev, "Fail to get decoder %s\n", zr->card.i2c_decoder);
 941                 err = -EINVAL;
 942                 goto error_decoder;
 943         }
 944
 945         if (zr->card.i2c_encoder) {
 946                 zr->encoder = v4l2_i2c_new_subdev(&zr->v4l2_dev, &zr->i2c_adapter,
 947                                                   zr->card.i2c_encoder, 0,
 948                                                   zr->card.addrs_encoder);
 949                 if (!zr->encoder) {
 950                         pci_err(zr->pci_dev, "Fail to get encoder %s\n", zr->card.i2c_encoder);
 951                         err = -EINVAL;
 952                         goto error_decoder;
 953                 }
 954         }
 955         return 0;
 956
 957 error_decoder:
 958         zoran_unregister_i2c(zr);
 959         return err;
 960 }
 961
 962 static void zoran_i2c_exit(struct zoran *zr)
 963 {
 964         zoran_unregister_i2c(zr);
 965 }
 966
 967 void zoran_open_init_params(struct zoran *zr)
 968 {
 969         int i;
 970
 971         zr->v4l_settings.width = 192;
 972         zr->v4l_settings.height = 144;
 973         zr->v4l_settings.format = &zoran_formats[7];    /* YUY2 - YUV-4:2:2 packed */
 974         zr->v4l_settings.bytesperline = zr->v4l_settings.width *
 975                 ((zr->v4l_settings.format->depth + 7) / 8);
 976
 977         /* Set necessary params and call zoran_check_jpg_settings to set the defaults */
 978         zr->jpg_settings.decimation = 1;
 979         zr->jpg_settings.jpg_comp.quality = 50; /* default compression factor 8 */
 980         if (zr->card.type != BUZ)
 981                 zr->jpg_settings.odd_even = 1;
 982         else
 983                 zr->jpg_settings.odd_even = 0;
 984         zr->jpg_settings.jpg_comp.APPn = 0;
 985         zr->jpg_settings.jpg_comp.APP_len = 0;  /* No APPn marker */
 986         memset(zr->jpg_settings.jpg_comp.APP_data, 0,
 987                sizeof(zr->jpg_settings.jpg_comp.APP_data));
 988         zr->jpg_settings.jpg_comp.COM_len = 0;  /* No COM marker */
 989         memset(zr->jpg_settings.jpg_comp.COM_data, 0,
 990                sizeof(zr->jpg_settings.jpg_comp.COM_data));
 991         zr->jpg_settings.jpg_comp.jpeg_markers =
 992             V4L2_JPEG_MARKER_DHT | V4L2_JPEG_MARKER_DQT;
 993         i = zoran_check_jpg_settings(zr, &zr->jpg_settings, 0);
 994         if (i)
 995                 pci_err(zr->pci_dev, "%s internal error\n", __func__);
 996
 997         zr->buffer_size = zr->v4l_settings.bytesperline * zr->v4l_settings.height;
 998
 999         clear_interrupt_counters(zr);
1000 }
1001
1002 static int zr36057_init(struct zoran *zr)
1003 {
1004         int j, err;
1005
1006         pci_info(zr->pci_dev, "initializing card[%d]\n", zr->id);
1007
1008         /* Avoid nonsense settings from user for default input/norm */
1009         if (default_norm < 0 || default_norm > 2)
1010                 default_norm = 0;
1011         if (default_norm == 0) {
1012                 zr->norm = V4L2_STD_PAL;
1013                 zr->timing = zr->card.tvn[ZR_NORM_PAL];
1014         } else if (default_norm == 1) {
1015                 zr->norm = V4L2_STD_NTSC;
1016                 zr->timing = zr->card.tvn[ZR_NORM_NTSC];
1017         } else {
1018                 zr->norm = V4L2_STD_SECAM;
1019                 zr->timing = zr->card.tvn[ZR_NORM_SECAM];
1020         }
1021         if (!zr->timing) {
1022                 pci_warn(zr->pci_dev, "%s - default TV standard not supported by hardware. PAL will be used.\n", __func__);
1023                 zr->norm = V4L2_STD_PAL;
1024                 zr->timing = zr->card.tvn[ZR_NORM_PAL];
1025         }
1026
1027         if (default_input > zr->card.inputs - 1) {
1028                 pci_warn(zr->pci_dev, "default_input value %d out of range (0-%d)\n",
1029                          default_input, zr->card.inputs - 1);
1030                 default_input = 0;
1031         }
1032         zr->input = default_input;
1033
1034         /* default setup (will be repeated at every open) */
1035         zoran_open_init_params(zr);
1036
1037         /* allocate memory *before* doing anything to the hardware in case allocation fails */
1038         zr->stat_com = dma_alloc_coherent(&zr->pci_dev->dev,
1039                                           BUZ_NUM_STAT_COM * sizeof(u32),
1040                                           &zr->p_sc, GFP_KERNEL);
1041         if (!zr->stat_com) {
1042                 return -ENOMEM;
1043         }
1044         for (j = 0; j < BUZ_NUM_STAT_COM; j++)
1045                 zr->stat_com[j] = cpu_to_le32(1); /* mark as unavailable to zr36057 */
1046
1047         zr->stat_comb = dma_alloc_coherent(&zr->pci_dev->dev,
1048                                            BUZ_NUM_STAT_COM * sizeof(u32) * 2,
1049                                            &zr->p_scb, GFP_KERNEL);
1050         if (!zr->stat_comb) {
1051                 err = -ENOMEM;
1052                 goto exit_statcom;
1053         }
1054
1055         err = zoran_init_video_devices(zr);
1056         if (err)
1057                 goto exit_statcomb;
1058
1059         zoran_init_hardware(zr);
1060         if (!pass_through) {
1061                 decoder_call(zr, video, s_stream, 0);
1062                 encoder_call(zr, video, s_routing, 2, 0, 0);
1063         }
1064
1065         zr->initialized = 1;
1066         return 0;
1067
1068 exit_statcomb:
1069         dma_free_coherent(&zr->pci_dev->dev, BUZ_NUM_STAT_COM * sizeof(u32) * 2, zr->stat_comb, zr->p_scb);
1070 exit_statcom:
1071         dma_free_coherent(&zr->pci_dev->dev, BUZ_NUM_STAT_COM * sizeof(u32), zr->stat_com, zr->p_sc);
1072         return err;
1073 }
1074
1075 static void zoran_remove(struct pci_dev *pdev)
1076 {
1077         struct v4l2_device *v4l2_dev = dev_get_drvdata(&pdev->dev);
1078         struct zoran *zr = to_zoran(v4l2_dev);
1079
1080         if (!zr->initialized)
1081                 goto exit_free;
1082
1083         debugfs_remove_recursive(zr->dbgfs_dir);
1084
1085         zoran_queue_exit(zr);
1086
1087         /* unregister videocodec bus */
1088         if (zr->codec)
1089                 videocodec_detach(zr->codec);
1090         if (zr->vfe)
1091                 videocodec_detach(zr->vfe);
1092         videocodec_exit(zr);
1093
1094         /* unregister i2c bus */
1095         zoran_i2c_exit(zr);
1096         /* disable PCI bus-mastering */
1097         zoran_set_pci_master(zr, 0);
1098         /* put chip into reset */
1099         btwrite(0, ZR36057_SPGPPCR);
1100         pci_free_irq(zr->pci_dev, 0, zr);
1101         /* unmap and free memory */
1102         dma_free_coherent(&zr->pci_dev->dev, BUZ_NUM_STAT_COM * sizeof(u32), zr->stat_com, zr->p_sc);
1103         dma_free_coherent(&zr->pci_dev->dev, BUZ_NUM_STAT_COM * sizeof(u32) * 2, zr->stat_comb, zr->p_scb);
1104         pci_release_regions(pdev);
1105         pci_disable_device(zr->pci_dev);
1106         zoran_exit_video_devices(zr);
1107 exit_free:
1108         v4l2_ctrl_handler_free(&zr->hdl);
1109         v4l2_device_unregister(&zr->v4l2_dev);
1110 }
1111
1112 void zoran_vdev_release(struct video_device *vdev)
1113 {
1114         kfree(vdev);
1115 }
1116
1117 static struct videocodec_master *zoran_setup_videocodec(struct zoran *zr,
1118                                                         int type)
1119 {
1120         struct videocodec_master *m = NULL;
1121
1122         m = devm_kmalloc(&zr->pci_dev->dev, sizeof(*m), GFP_KERNEL);
1123         if (!m)
1124                 return m;
1125
1126         /*
1127          * magic and type are unused for master struct. Makes sense only at codec structs.
1128          * In the past, .type were initialized to the old V4L1 .hardware value,
1129          * as VID_HARDWARE_ZR36067
1130          */
1131         m->magic = 0L;
1132         m->type = 0;
1133
1134         m->flags = CODEC_FLAG_ENCODER | CODEC_FLAG_DECODER;
1135         strscpy(m->name, ZR_DEVNAME(zr), sizeof(m->name));
1136         m->data = zr;
1137
1138         switch (type) {
1139         case CODEC_TYPE_ZR36060:
1140                 m->readreg = zr36060_read;
1141                 m->writereg = zr36060_write;
1142                 m->flags |= CODEC_FLAG_JPEG | CODEC_FLAG_VFE;
1143                 break;
1144         case CODEC_TYPE_ZR36050:
1145                 m->readreg = zr36050_read;
1146                 m->writereg = zr36050_write;
1147                 m->flags |= CODEC_FLAG_JPEG;
1148                 break;
1149         case CODEC_TYPE_ZR36016:
1150                 m->readreg = zr36016_read;
1151                 m->writereg = zr36016_write;
1152                 m->flags |= CODEC_FLAG_VFE;
1153                 break;
1154         }
1155
1156         return m;
1157 }
1158
1159 static void zoran_subdev_notify(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
1160 {
1161         struct zoran *zr = to_zoran(sd->v4l2_dev);
1162
1163         /*
1164          * Bt819 needs to reset its FIFO buffer using #FRST pin and
1165          * LML33 card uses GPIO(7) for that.
1166          */
1167         if (cmd == BT819_FIFO_RESET_LOW)
1168                 GPIO(zr, 7, 0);
1169         else if (cmd == BT819_FIFO_RESET_HIGH)
1170                 GPIO(zr, 7, 1);
1171 }
1172
1173 static int zoran_video_set_ctrl(struct v4l2_ctrl *ctrl)
1174 {
1175         struct zoran *zr = container_of(ctrl->handler, struct zoran, hdl);
1176
1177         switch (ctrl->id) {
1178         case V4L2_CID_JPEG_COMPRESSION_QUALITY:
1179                 zr->jpg_settings.jpg_comp.quality = ctrl->val;
1180                 return zoran_check_jpg_settings(zr, &zr->jpg_settings, 0);
1181         default:
1182                 return -EINVAL;
1183         }
1184
1185         return 0;
1186 }
1187
1188 static const struct v4l2_ctrl_ops zoran_video_ctrl_ops = {
1189         .s_ctrl = zoran_video_set_ctrl,
1190 };
1191
1192 static int zoran_debugfs_show(struct seq_file *seq, void *v)
1193 {
1194         struct zoran *zr = seq->private;
1195
1196         seq_printf(seq, "Running mode %x\n", zr->running);
1197         seq_printf(seq, "Codec mode %x\n", zr->codec_mode);
1198         seq_printf(seq, "Norm %llx\n", zr->norm);
1199         seq_printf(seq, "Input %d\n", zr->input);
1200         seq_printf(seq, "Buffersize %d\n", zr->buffer_size);
1201
1202         seq_printf(seq, "V4L width %dx%d\n", zr->v4l_settings.width, zr->v4l_settings.height);
1203         seq_printf(seq, "V4L bytesperline %d\n", zr->v4l_settings.bytesperline);
1204
1205         seq_printf(seq, "JPG decimation %u\n", zr->jpg_settings.decimation);
1206         seq_printf(seq, "JPG hor_dcm %u\n", zr->jpg_settings.hor_dcm);
1207         seq_printf(seq, "JPG ver_dcm %u\n", zr->jpg_settings.ver_dcm);
1208         seq_printf(seq, "JPG tmp_dcm %u\n", zr->jpg_settings.tmp_dcm);
1209         seq_printf(seq, "JPG odd_even %u\n", zr->jpg_settings.odd_even);
1210         seq_printf(seq, "JPG crop %dx%d %d %d\n",
1211                    zr->jpg_settings.img_x,
1212                    zr->jpg_settings.img_y,
1213                    zr->jpg_settings.img_width,
1214                    zr->jpg_settings.img_height);
1215
1216         seq_printf(seq, "Prepared %u\n", zr->prepared);
1217         seq_printf(seq, "Queued %u\n", zr->queued);
1218
1219         videocodec_debugfs_show(seq);
1220         return 0;
1221 }
1222
1223 DEFINE_SHOW_ATTRIBUTE(zoran_debugfs);
1224
1225 /*
1226  *   Scan for a Buz card (actually for the PCI controller ZR36057),
1227  *   request the irq and map the io memory
1228  */
1229 static int zoran_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1230 {
1231         unsigned char latency, need_latency;
1232         struct zoran *zr;
1233         int result;
1234         struct videocodec_master *master_vfe = NULL;
1235         struct videocodec_master *master_codec = NULL;
1236         int card_num;
1237         unsigned int nr;
1238         int err;
1239
1240         pci_info(pdev, "Zoran MJPEG board driver version %s\n", ZORAN_VERSION);
1241
1242         /* some mainboards might not do PCI-PCI data transfer well */
1243         if (pci_pci_problems & (PCIPCI_FAIL | PCIAGP_FAIL | PCIPCI_ALIMAGIK))
1244                 pci_warn(pdev, "%s: chipset does not support reliable PCI-PCI DMA\n",
1245                          ZORAN_NAME);
1246
1247         err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
1248         if (err)
1249                 return err;
1250         err = vb2_dma_contig_set_max_seg_size(&pdev->dev, U32_MAX);
1251         if (err)
1252                 return err;
1253
1254         nr = zoran_num++;
1255         if (nr >= BUZ_MAX) {
1256                 pci_err(pdev, "driver limited to %d card(s) maximum\n", BUZ_MAX);
1257                 return -ENOENT;
1258         }
1259
1260         zr = devm_kzalloc(&pdev->dev, sizeof(*zr), GFP_KERNEL);
1261         if (!zr)
1262                 return -ENOMEM;
1263
1264         zr->v4l2_dev.notify = zoran_subdev_notify;
1265         if (v4l2_device_register(&pdev->dev, &zr->v4l2_dev))
1266                 goto zr_free_mem;
1267         zr->pci_dev = pdev;
1268         zr->id = nr;
1269         snprintf(ZR_DEVNAME(zr), sizeof(ZR_DEVNAME(zr)), "MJPEG[%u]", zr->id);
1270         if (v4l2_ctrl_handler_init(&zr->hdl, 10))
1271                 goto zr_unreg;
1272         zr->v4l2_dev.ctrl_handler = &zr->hdl;
1273         v4l2_ctrl_new_std(&zr->hdl, &zoran_video_ctrl_ops,
1274                           V4L2_CID_JPEG_COMPRESSION_QUALITY, 0,
1275                           100, 1, 50);
1276         spin_lock_init(&zr->spinlock);
1277         mutex_init(&zr->lock);
1278         if (pci_enable_device(pdev))
1279                 goto zr_unreg;
1280         zr->revision = zr->pci_dev->revision;
1281
1282         pci_info(zr->pci_dev, "Zoran ZR360%c7 (rev %d), irq: %d, memory: 0x%08llx\n",
1283                  zr->revision < 2 ? '5' : '6', zr->revision,
1284                  zr->pci_dev->irq, (uint64_t)pci_resource_start(zr->pci_dev, 0));
1285         if (zr->revision >= 2)
1286                 pci_info(zr->pci_dev, "Subsystem vendor=0x%04x id=0x%04x\n",
1287                          zr->pci_dev->subsystem_vendor, zr->pci_dev->subsystem_device);
1288
1289         /* Use auto-detected card type? */
1290         if (card[nr] == -1) {
1291                 if (zr->revision < 2) {
1292                         pci_err(pdev, "No card type specified, please use the card=X module parameter\n");
1293                         pci_err(pdev, "It is not possible to auto-detect ZR36057 based cards\n");
1294                         goto zr_unreg;
1295                 }
1296
1297                 card_num = ent->driver_data;
1298                 if (card_num >= NUM_CARDS) {
1299                         pci_err(pdev, "Unknown card, try specifying card=X module parameter\n");
1300                         goto zr_unreg;
1301                 }
1302                 pci_info(zr->pci_dev, "%s() - card %s detected\n", __func__, zoran_cards[card_num].name);
1303         } else {
1304                 card_num = card[nr];
1305                 if (card_num >= NUM_CARDS || card_num < 0) {
1306                         pci_err(pdev, "User specified card type %d out of range (0 .. %d)\n",
1307                                 card_num, NUM_CARDS - 1);
1308                         goto zr_unreg;
1309                 }
1310         }
1311
1312         /*
1313          * even though we make this a non pointer and thus
1314          * theoretically allow for making changes to this struct
1315          * on a per-individual card basis at runtime, this is
1316          * strongly discouraged. This structure is intended to
1317          * keep general card information, no settings or anything
1318          */
1319         zr->card = zoran_cards[card_num];
1320         snprintf(ZR_DEVNAME(zr), sizeof(ZR_DEVNAME(zr)), "%s[%u]",
1321                  zr->card.name, zr->id);
1322
1323         err = pci_request_regions(pdev, ZR_DEVNAME(zr));
1324         if (err)
1325                 goto zr_unreg;
1326
1327         zr->zr36057_mem = devm_ioremap(&pdev->dev, pci_resource_start(pdev, 0), pci_resource_len(pdev, 0));
1328         if (!zr->zr36057_mem) {
1329                 pci_err(pdev, "%s() - ioremap failed\n", __func__);
1330                 goto zr_pci_release;
1331         }
1332
1333         result = pci_request_irq(pdev, 0, zoran_irq, NULL, zr, ZR_DEVNAME(zr));
1334         if (result < 0) {
1335                 if (result == -EINVAL) {
1336                         pci_err(pdev, "%s - bad IRQ number or handler\n", __func__);
1337                 } else if (result == -EBUSY) {
1338                         pci_err(pdev, "%s - IRQ %d busy, change your PnP config in BIOS\n",
1339                                 __func__, zr->pci_dev->irq);
1340                 } else {
1341                         pci_err(pdev, "%s - cannot assign IRQ, error code %d\n", __func__, result);
1342                 }
1343                 goto zr_pci_release;
1344         }
1345
1346         /* set PCI latency timer */
1347         pci_read_config_byte(zr->pci_dev, PCI_LATENCY_TIMER,
1348                              &latency);
1349         need_latency = zr->revision > 1 ? 32 : 48;
1350         if (latency != need_latency) {
1351                 pci_info(zr->pci_dev, "Changing PCI latency from %d to %d\n", latency, need_latency);
1352                 pci_write_config_byte(zr->pci_dev, PCI_LATENCY_TIMER, need_latency);
1353         }
1354
1355         zr36057_restart(zr);
1356
1357         err = zoran_i2c_init(zr);
1358         if (err)
1359                 goto zr_free_irq;
1360
1361         pci_info(zr->pci_dev, "Initializing videocodec bus...\n");
1362         err = videocodec_init(zr);
1363         if (err)
1364                 goto zr_unreg_i2c;
1365
1366         /* reset JPEG codec */
1367         jpeg_codec_sleep(zr, 1);
1368         jpeg_codec_reset(zr);
1369         /* video bus enabled */
1370         /* display codec revision */
1371         if (zr->card.video_codec != 0) {
1372                 master_codec = zoran_setup_videocodec(zr, zr->card.video_codec);
1373                 if (!master_codec)
1374                         goto zr_unreg_videocodec;
1375                 zr->codec = videocodec_attach(master_codec);
1376                 if (!zr->codec) {
1377                         pci_err(pdev, "%s - no codec found\n", __func__);
1378                         goto zr_unreg_videocodec;
1379                 }
1380                 if (zr->codec->type != zr->card.video_codec) {
1381                         pci_err(pdev, "%s - wrong codec\n", __func__);
1382                         goto zr_unreg_videocodec;
1383                 }
1384         }
1385         if (zr->card.video_vfe != 0) {
1386                 master_vfe = zoran_setup_videocodec(zr, zr->card.video_vfe);
1387                 if (!master_vfe)
1388                         goto zr_detach_codec;
1389                 zr->vfe = videocodec_attach(master_vfe);
1390                 if (!zr->vfe) {
1391                         pci_err(pdev, "%s - no VFE found\n", __func__);
1392                         goto zr_detach_codec;
1393                 }
1394                 if (zr->vfe->type != zr->card.video_vfe) {
1395                         pci_err(pdev, "%s = wrong VFE\n", __func__);
1396                         goto zr_detach_vfe;
1397                 }
1398         }
1399
1400         /* take care of Natoma chipset and a revision 1 zr36057 */
1401         if ((pci_pci_problems & PCIPCI_NATOMA) && zr->revision <= 1)
1402                 pci_info(zr->pci_dev, "ZR36057/Natoma bug, max. buffer size is 128K\n");
1403
1404         if (zr36057_init(zr) < 0)
1405                 goto zr_detach_vfe;
1406
1407         zr->map_mode = ZORAN_MAP_MODE_RAW;
1408
1409         zr->dbgfs_dir = debugfs_create_dir(ZR_DEVNAME(zr), NULL);
1410         debugfs_create_file("debug", 0444, zr->dbgfs_dir, zr,
1411                             &zoran_debugfs_fops);
1412         return 0;
1413
1414 zr_detach_vfe:
1415         videocodec_detach(zr->vfe);
1416 zr_detach_codec:
1417         videocodec_detach(zr->codec);
1418 zr_unreg_videocodec:
1419         videocodec_exit(zr);
1420 zr_unreg_i2c:
1421         zoran_i2c_exit(zr);
1422 zr_free_irq:
1423         btwrite(0, ZR36057_SPGPPCR);
1424         pci_free_irq(zr->pci_dev, 0, zr);
1425 zr_pci_release:
1426         pci_release_regions(pdev);
1427 zr_unreg:
1428         v4l2_ctrl_handler_free(&zr->hdl);
1429         v4l2_device_unregister(&zr->v4l2_dev);
1430 zr_free_mem:
1431
1432         return -ENODEV;
1433 }
1434
1435 static struct pci_driver zoran_driver = {
1436         .name = "zr36067",
1437         .id_table = zr36067_pci_tbl,
1438         .probe = zoran_probe,
1439         .remove = zoran_remove,
1440 };
1441
1442 module_pci_driver(zoran_driver);