drivers/staging/media/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
  33 extern const struct zoran_format zoran_formats[];
  34
  35 static int card[BUZ_MAX] = { [0 ... (BUZ_MAX - 1)] = -1 };
  36 module_param_array(card, int, NULL, 0444);
  37 MODULE_PARM_DESC(card, "Card type");
  38
  39 /*
  40  * The video mem address of the video card. The driver has a little database for some videocards
  41  * to determine it from there. If your video card is not in there you have either to give it to
  42  * the driver as a parameter or set in in a VIDIOCSFBUF ioctl
  43  */
  44
  45 static unsigned long vidmem;    /* default = 0 - Video memory base address */
  46 module_param_hw(vidmem, ulong, iomem, 0444);
  47 MODULE_PARM_DESC(vidmem, "Default video memory base address");
  48
  49 /* Default input and video norm at startup of the driver. */
  50
  51 static unsigned int default_input;      /* default 0 = Composite, 1 = S-Video */
  52 module_param(default_input, uint, 0444);
  53 MODULE_PARM_DESC(default_input,
  54                  "Default input (0=Composite, 1=S-Video, 2=Internal)");
  55
  56 static int default_mux = 1;     /* 6 Eyes input selection */
  57 module_param(default_mux, int, 0644);
  58 MODULE_PARM_DESC(default_mux,
  59                  "Default 6 Eyes mux setting (Input selection)");
  60
  61 static int default_norm;        /* default 0 = PAL, 1 = NTSC 2 = SECAM */
  62 module_param(default_norm, int, 0444);
  63 MODULE_PARM_DESC(default_norm, "Default norm (0=PAL, 1=NTSC, 2=SECAM)");
  64
  65 /* /dev/videoN, -1 for autodetect */
  66 static int video_nr[BUZ_MAX] = { [0 ... (BUZ_MAX - 1)] = -1 };
  67 module_param_array(video_nr, int, NULL, 0444);
  68 MODULE_PARM_DESC(video_nr, "Video device number (-1=Auto)");
  69
  70 int v4l_nbufs = 4;
  71 int v4l_bufsize = 864;          /* Everybody should be able to work with this setting */
  72 module_param(v4l_nbufs, int, 0644);
  73 MODULE_PARM_DESC(v4l_nbufs, "Maximum number of V4L buffers to use");
  74 module_param(v4l_bufsize, int, 0644);
  75 MODULE_PARM_DESC(v4l_bufsize, "Maximum size per V4L buffer (in kB)");
  76
  77 int jpg_nbufs = 32;
  78 int jpg_bufsize = 512;          /* max size for 100% quality full-PAL frame */
  79 module_param(jpg_nbufs, int, 0644);
  80 MODULE_PARM_DESC(jpg_nbufs, "Maximum number of JPG buffers to use");
  81 module_param(jpg_bufsize, int, 0644);
  82 MODULE_PARM_DESC(jpg_bufsize, "Maximum size per JPG buffer (in kB)");
  83
  84 /* 1=Pass through TV signal when device is not used */
  85 /* 0=Show color bar when device is not used (LML33: only if lml33dpath=1) */
  86 int pass_through;
  87 module_param(pass_through, int, 0644);
  88 MODULE_PARM_DESC(pass_through,
  89                  "Pass TV signal through to TV-out when idling");
  90
  91 int zr36067_debug = 1;
  92 module_param_named(debug, zr36067_debug, int, 0644);
  93 MODULE_PARM_DESC(debug, "Debug level (0-5)");
  94
  95 #define ZORAN_VERSION "0.10.1"
  96
  97 MODULE_DESCRIPTION("Zoran-36057/36067 JPEG codec driver");
  98 MODULE_AUTHOR("Serguei Miridonov");
  99 MODULE_LICENSE("GPL");
 100 MODULE_VERSION(ZORAN_VERSION);
 101
 102 #define ZR_DEVICE(subven, subdev, data) { \
 103         .vendor = PCI_VENDOR_ID_ZORAN, .device = PCI_DEVICE_ID_ZORAN_36057, \
 104         .subvendor = (subven), .subdevice = (subdev), .driver_data = (data) }
 105
 106 static const struct pci_device_id zr36067_pci_tbl[] = {
 107         ZR_DEVICE(PCI_VENDOR_ID_MIRO, PCI_DEVICE_ID_MIRO_DC10PLUS, DC10_PLUS),
 108         ZR_DEVICE(PCI_VENDOR_ID_MIRO, PCI_DEVICE_ID_MIRO_DC30PLUS, DC30_PLUS),
 109         ZR_DEVICE(PCI_VENDOR_ID_ELECTRONICDESIGNGMBH, PCI_DEVICE_ID_LML_33R10, LML33R10),
 110         ZR_DEVICE(PCI_VENDOR_ID_IOMEGA, PCI_DEVICE_ID_IOMEGA_BUZ, BUZ),
 111         ZR_DEVICE(PCI_ANY_ID, PCI_ANY_ID, NUM_CARDS),
 112         {0}
 113 };
 114 MODULE_DEVICE_TABLE(pci, zr36067_pci_tbl);
 115
 116 static unsigned int zoran_num;          /* number of cards found */
 117
 118 /* videocodec bus functions ZR36060 */
 119 static u32 zr36060_read(struct videocodec *codec, u16 reg)
 120 {
 121         struct zoran *zr = (struct zoran *)codec->master_data->data;
 122         __u32 data;
 123
 124         if (post_office_wait(zr) || post_office_write(zr, 0, 1, reg >> 8) ||
 125             post_office_write(zr, 0, 2, reg & 0xff))
 126                 return -1;
 127
 128         data = post_office_read(zr, 0, 3) & 0xff;
 129         return data;
 130 }
 131
 132 static void zr36060_write(struct videocodec *codec, u16 reg, u32 val)
 133 {
 134         struct zoran *zr = (struct zoran *)codec->master_data->data;
 135
 136         if (post_office_wait(zr) || post_office_write(zr, 0, 1, reg >> 8) ||
 137             post_office_write(zr, 0, 2, reg & 0xff))
 138                 return;
 139
 140         post_office_write(zr, 0, 3, val & 0xff);
 141 }
 142
 143 /* videocodec bus functions ZR36050 */
 144 static u32 zr36050_read(struct videocodec *codec, u16 reg)
 145 {
 146         struct zoran *zr = (struct zoran *)codec->master_data->data;
 147         __u32 data;
 148
 149         if (post_office_wait(zr) || post_office_write(zr, 1, 0, reg >> 2))      // reg. HIGHBYTES
 150                 return -1;
 151
 152         data = post_office_read(zr, 0, reg & 0x03) & 0xff;      // reg. LOWBYTES + read
 153         return data;
 154 }
 155
 156 static void zr36050_write(struct videocodec *codec, u16 reg, u32 val)
 157 {
 158         struct zoran *zr = (struct zoran *)codec->master_data->data;
 159
 160         if (post_office_wait(zr) || post_office_write(zr, 1, 0, reg >> 2))      // reg. HIGHBYTES
 161                 return;
 162
 163         post_office_write(zr, 0, reg & 0x03, val & 0xff);       // reg. LOWBYTES + wr. data
 164 }
 165
 166 /* videocodec bus functions ZR36016 */
 167 static u32 zr36016_read(struct videocodec *codec, u16 reg)
 168 {
 169         struct zoran *zr = (struct zoran *)codec->master_data->data;
 170         __u32 data;
 171
 172         if (post_office_wait(zr))
 173                 return -1;
 174
 175         data = post_office_read(zr, 2, reg & 0x03) & 0xff;      // read
 176         return data;
 177 }
 178
 179 /* hack for in zoran_device.c */
 180 void zr36016_write(struct videocodec *codec, u16 reg, u32 val)
 181 {
 182         struct zoran *zr = (struct zoran *)codec->master_data->data;
 183
 184         if (post_office_wait(zr))
 185                 return;
 186
 187         post_office_write(zr, 2, reg & 0x03, val & 0x0ff);      // wr. data
 188 }
 189
 190 /*
 191  * Board specific information
 192  */
 193
 194 static void dc10_init(struct zoran *zr)
 195 {
 196         pci_dbg(zr->pci_dev, "%s\n", __func__);
 197
 198         /* Pixel clock selection */
 199         GPIO(zr, 4, 0);
 200         GPIO(zr, 5, 1);
 201         /* Enable the video bus sync signals */
 202         GPIO(zr, 7, 0);
 203 }
 204
 205 static void dc10plus_init(struct zoran *zr)
 206 {
 207         pci_dbg(zr->pci_dev, "%s\n", __func__);
 208 }
 209
 210 static void buz_init(struct zoran *zr)
 211 {
 212         pci_dbg(zr->pci_dev, "%s\n", __func__);
 213
 214         /* some stuff from Iomega */
 215         pci_write_config_dword(zr->pci_dev, 0xfc, 0x90680f15);
 216         pci_write_config_dword(zr->pci_dev, 0x0c, 0x00012020);
 217         pci_write_config_dword(zr->pci_dev, 0xe8, 0xc0200000);
 218 }
 219
 220 static void lml33_init(struct zoran *zr)
 221 {
 222         pci_dbg(zr->pci_dev, "%s\n", __func__);
 223
 224         GPIO(zr, 2, 1);         // Set Composite input/output
 225 }
 226
 227 static void avs6eyes_init(struct zoran *zr)
 228 {
 229         // AverMedia 6-Eyes original driver by Christer Weinigel
 230
 231         // Lifted straight from Christer's old driver and
 232         // modified slightly by Martin Samuelsson.
 233
 234         int mux = default_mux; /* 1 = BT866, 7 = VID1 */
 235
 236         GPIO(zr, 4, 1); /* Bt866 SLEEP on */
 237         udelay(2);
 238
 239         GPIO(zr, 0, 1); /* ZR36060 /RESET on */
 240         GPIO(zr, 1, 0); /* ZR36060 /SLEEP on */
 241         GPIO(zr, 2, mux & 1);   /* MUX S0 */
 242         GPIO(zr, 3, 0); /* /FRAME on */
 243         GPIO(zr, 4, 0); /* Bt866 SLEEP off */
 244         GPIO(zr, 5, mux & 2);   /* MUX S1 */
 245         GPIO(zr, 6, 0); /* ? */
 246         GPIO(zr, 7, mux & 4);   /* MUX S2 */
 247 }
 248
 249 static const char *codecid_to_modulename(u16 codecid)
 250 {
 251         const char *name = NULL;
 252
 253         switch (codecid) {
 254         case CODEC_TYPE_ZR36060:
 255                 name = "zr36060";
 256                 break;
 257         case CODEC_TYPE_ZR36050:
 258                 name = "zr36050";
 259                 break;
 260         case CODEC_TYPE_ZR36016:
 261                 name = "zr36016";
 262                 break;
 263         }
 264
 265         return name;
 266 }
 267
 268 // struct tvnorm {
 269 //      u16 wt, wa, h_start, h_sync_start, ht, ha, v_start;
 270 // };
 271
 272 static const struct tvnorm f50sqpixel = { 944, 768, 83, 880, 625, 576, 16 };
 273 static const struct tvnorm f60sqpixel = { 780, 640, 51, 716, 525, 480, 12 };
 274 static const struct tvnorm f50ccir601 = { 864, 720, 75, 804, 625, 576, 18 };
 275 static const struct tvnorm f60ccir601 = { 858, 720, 57, 788, 525, 480, 16 };
 276
 277 static const struct tvnorm f50ccir601_lml33 = { 864, 720, 75 + 34, 804, 625, 576, 18 };
 278 static const struct tvnorm f60ccir601_lml33 = { 858, 720, 57 + 34, 788, 525, 480, 16 };
 279
 280 /* The DC10 (57/16/50) uses VActive as HSync, so h_start must be 0 */
 281 static const struct tvnorm f50sqpixel_dc10 = { 944, 768, 0, 880, 625, 576, 0 };
 282 static const struct tvnorm f60sqpixel_dc10 = { 780, 640, 0, 716, 525, 480, 12 };
 283
 284 /*
 285  * FIXME: I cannot swap U and V in saa7114, so i do one pixel left shift in zoran (75 -> 74)
 286  * (Maxim Yevtyushkin <max@linuxmedialabs.com>)
 287  */
 288 static const struct tvnorm f50ccir601_lm33r10 = { 864, 720, 74 + 54, 804, 625, 576, 18 };
 289 static const struct tvnorm f60ccir601_lm33r10 = { 858, 720, 56 + 54, 788, 525, 480, 16 };
 290
 291 /*
 292  * FIXME: The ks0127 seem incapable of swapping U and V, too, which is why I copy Maxim's left
 293  * shift hack for the 6 Eyes.
 294  *
 295  * Christer's driver used the unshifted norms, though...
 296  * /Sam
 297  */
 298 static const struct tvnorm f50ccir601_avs6eyes = { 864, 720, 74, 804, 625, 576, 18 };
 299 static const struct tvnorm f60ccir601_avs6eyes = { 858, 720, 56, 788, 525, 480, 16 };
 300
 301 static const unsigned short vpx3220_addrs[] = { 0x43, 0x47, I2C_CLIENT_END };
 302 static const unsigned short saa7110_addrs[] = { 0x4e, 0x4f, I2C_CLIENT_END };
 303 static const unsigned short saa7111_addrs[] = { 0x25, 0x24, I2C_CLIENT_END };
 304 static const unsigned short saa7114_addrs[] = { 0x21, 0x20, I2C_CLIENT_END };
 305 static const unsigned short adv717x_addrs[] = { 0x6a, 0x6b, 0x2a, 0x2b, I2C_CLIENT_END };
 306 static const unsigned short ks0127_addrs[] = { 0x6c, 0x6d, I2C_CLIENT_END };
 307 static const unsigned short saa7185_addrs[] = { 0x44, I2C_CLIENT_END };
 308 static const unsigned short bt819_addrs[] = { 0x45, I2C_CLIENT_END };
 309 static const unsigned short bt856_addrs[] = { 0x44, I2C_CLIENT_END };
 310 static const unsigned short bt866_addrs[] = { 0x44, I2C_CLIENT_END };
 311
 312 static struct card_info zoran_cards[NUM_CARDS] = {
 313         {
 314                 .type = DC10_OLD,
 315                 .name = "DC10(old)",
 316                 .i2c_decoder = "vpx3220a",
 317                 .addrs_decoder = vpx3220_addrs,
 318                 .video_codec = CODEC_TYPE_ZR36050,
 319                 .video_vfe = CODEC_TYPE_ZR36016,
 320
 321                 .inputs = 3,
 322                 .input = {
 323                         { 1, "Composite" },
 324                         { 2, "S-Video" },
 325                         { 0, "Internal/comp" }
 326                 },
 327                 .norms = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM,
 328                 .tvn = {
 329                         &f50sqpixel_dc10,
 330                         &f60sqpixel_dc10,
 331                         &f50sqpixel_dc10
 332                 },
 333                 .jpeg_int = 0,
 334                 .vsync_int = ZR36057_ISR_GIRQ1,
 335                 .gpio = { 2, 1, -1, 3, 7, 0, 4, 5 },
 336                 .gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 },
 337                 .gpcs = { -1, 0 },
 338                 .vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
 339                 .gws_not_connected = 0,
 340                 .input_mux = 0,
 341                 .init = &dc10_init,
 342         }, {
 343                 .type = DC10_NEW,
 344                 .name = "DC10(new)",
 345                 .i2c_decoder = "saa7110",
 346                 .addrs_decoder = saa7110_addrs,
 347                 .i2c_encoder = "adv7175",
 348                 .addrs_encoder = adv717x_addrs,
 349                 .video_codec = CODEC_TYPE_ZR36060,
 350
 351                 .inputs = 3,
 352                 .input = {
 353                                 { 0, "Composite" },
 354                                 { 7, "S-Video" },
 355                                 { 5, "Internal/comp" }
 356                         },
 357                 .norms = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM,
 358                 .tvn = {
 359                                 &f50sqpixel,
 360                                 &f60sqpixel,
 361                                 &f50sqpixel},
 362                 .jpeg_int = ZR36057_ISR_GIRQ0,
 363                 .vsync_int = ZR36057_ISR_GIRQ1,
 364                 .gpio = { 3, 0, 6, 1, 2, -1, 4, 5 },
 365                 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
 366                 .gpcs = { -1, 1},
 367                 .vfe_pol = { 1, 1, 1, 1, 0, 0, 0, 0 },
 368                 .gws_not_connected = 0,
 369                 .input_mux = 0,
 370                 .init = &dc10plus_init,
 371         }, {
 372                 .type = DC10_PLUS,
 373                 .name = "DC10_PLUS",
 374                 .i2c_decoder = "saa7110",
 375                 .addrs_decoder = saa7110_addrs,
 376                 .i2c_encoder = "adv7175",
 377                 .addrs_encoder = adv717x_addrs,
 378                 .video_codec = CODEC_TYPE_ZR36060,
 379
 380                 .inputs = 3,
 381                 .input = {
 382                         { 0, "Composite" },
 383                         { 7, "S-Video" },
 384                         { 5, "Internal/comp" }
 385                 },
 386                 .norms = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM,
 387                 .tvn = {
 388                         &f50sqpixel,
 389                         &f60sqpixel,
 390                         &f50sqpixel
 391                 },
 392                 .jpeg_int = ZR36057_ISR_GIRQ0,
 393                 .vsync_int = ZR36057_ISR_GIRQ1,
 394                 .gpio = { 3, 0, 6, 1, 2, -1, 4, 5 },
 395                 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
 396                 .gpcs = { -1, 1 },
 397                 .vfe_pol = { 1, 1, 1, 1, 0, 0, 0, 0 },
 398                 .gws_not_connected = 0,
 399                 .input_mux = 0,
 400                 .init = &dc10plus_init,
 401         }, {
 402                 .type = DC30,
 403                 .name = "DC30",
 404                 .i2c_decoder = "vpx3220a",
 405                 .addrs_decoder = vpx3220_addrs,
 406                 .i2c_encoder = "adv7175",
 407                 .addrs_encoder = adv717x_addrs,
 408                 .video_codec = CODEC_TYPE_ZR36050,
 409                 .video_vfe = CODEC_TYPE_ZR36016,
 410
 411                 .inputs = 3,
 412                 .input = {
 413                         { 1, "Composite" },
 414                         { 2, "S-Video" },
 415                         { 0, "Internal/comp" }
 416                 },
 417                 .norms = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM,
 418                 .tvn = {
 419                         &f50sqpixel_dc10,
 420                         &f60sqpixel_dc10,
 421                         &f50sqpixel_dc10
 422                 },
 423                 .jpeg_int = 0,
 424                 .vsync_int = ZR36057_ISR_GIRQ1,
 425                 .gpio = { 2, 1, -1, 3, 7, 0, 4, 5 },
 426                 .gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 },
 427                 .gpcs = { -1, 0 },
 428                 .vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
 429                 .gws_not_connected = 0,
 430                 .input_mux = 0,
 431                 .init = &dc10_init,
 432         }, {
 433                 .type = DC30_PLUS,
 434                 .name = "DC30_PLUS",
 435                 .i2c_decoder = "vpx3220a",
 436                 .addrs_decoder = vpx3220_addrs,
 437                 .i2c_encoder = "adv7175",
 438                 .addrs_encoder = adv717x_addrs,
 439                 .video_codec = CODEC_TYPE_ZR36050,
 440                 .video_vfe = CODEC_TYPE_ZR36016,
 441
 442                 .inputs = 3,
 443                 .input = {
 444                         { 1, "Composite" },
 445                         { 2, "S-Video" },
 446                         { 0, "Internal/comp" }
 447                 },
 448                 .norms = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM,
 449                 .tvn = {
 450                         &f50sqpixel_dc10,
 451                         &f60sqpixel_dc10,
 452                         &f50sqpixel_dc10
 453                 },
 454                 .jpeg_int = 0,
 455                 .vsync_int = ZR36057_ISR_GIRQ1,
 456                 .gpio = { 2, 1, -1, 3, 7, 0, 4, 5 },
 457                 .gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 },
 458                 .gpcs = { -1, 0 },
 459                 .vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
 460                 .gws_not_connected = 0,
 461                 .input_mux = 0,
 462                 .init = &dc10_init,
 463         }, {
 464                 .type = LML33,
 465                 .name = "LML33",
 466                 .i2c_decoder = "bt819a",
 467                 .addrs_decoder = bt819_addrs,
 468                 .i2c_encoder = "bt856",
 469                 .addrs_encoder = bt856_addrs,
 470                 .video_codec = CODEC_TYPE_ZR36060,
 471
 472                 .inputs = 2,
 473                 .input = {
 474                         { 0, "Composite" },
 475                         { 7, "S-Video" }
 476                 },
 477                 .norms = V4L2_STD_NTSC | V4L2_STD_PAL,
 478                 .tvn = {
 479                         &f50ccir601_lml33,
 480                         &f60ccir601_lml33,
 481                         NULL
 482                 },
 483                 .jpeg_int = ZR36057_ISR_GIRQ1,
 484                 .vsync_int = ZR36057_ISR_GIRQ0,
 485                 .gpio = { 1, -1, 3, 5, 7, -1, -1, -1 },
 486                 .gpio_pol = { 0, 0, 0, 0, 1, 0, 0, 0 },
 487                 .gpcs = { 3, 1 },
 488                 .vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 },
 489                 .gws_not_connected = 1,
 490                 .input_mux = 0,
 491                 .init = &lml33_init,
 492         }, {
 493                 .type = LML33R10,
 494                 .name = "LML33R10",
 495                 .i2c_decoder = "saa7114",
 496                 .addrs_decoder = saa7114_addrs,
 497                 .i2c_encoder = "adv7170",
 498                 .addrs_encoder = adv717x_addrs,
 499                 .video_codec = CODEC_TYPE_ZR36060,
 500
 501                 .inputs = 2,
 502                 .input = {
 503                         { 0, "Composite" },
 504                         { 7, "S-Video" }
 505                 },
 506                 .norms = V4L2_STD_NTSC | V4L2_STD_PAL,
 507                 .tvn = {
 508                         &f50ccir601_lm33r10,
 509                         &f60ccir601_lm33r10,
 510                         NULL
 511                 },
 512                 .jpeg_int = ZR36057_ISR_GIRQ1,
 513                 .vsync_int = ZR36057_ISR_GIRQ0,
 514                 .gpio = { 1, -1, 3, 5, 7, -1, -1, -1 },
 515                 .gpio_pol = { 0, 0, 0, 0, 1, 0, 0, 0 },
 516                 .gpcs = { 3, 1 },
 517                 .vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 },
 518                 .gws_not_connected = 1,
 519                 .input_mux = 0,
 520                 .init = &lml33_init,
 521         }, {
 522                 .type = BUZ,
 523                 .name = "Buz",
 524                 .i2c_decoder = "saa7111",
 525                 .addrs_decoder = saa7111_addrs,
 526                 .i2c_encoder = "saa7185",
 527                 .addrs_encoder = saa7185_addrs,
 528                 .video_codec = CODEC_TYPE_ZR36060,
 529
 530                 .inputs = 2,
 531                 .input = {
 532                         { 3, "Composite" },
 533                         { 7, "S-Video" }
 534                 },
 535                 .norms = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM,
 536                 .tvn = {
 537                         &f50ccir601,
 538                         &f60ccir601,
 539                         &f50ccir601
 540                 },
 541                 .jpeg_int = ZR36057_ISR_GIRQ1,
 542                 .vsync_int = ZR36057_ISR_GIRQ0,
 543                 .gpio = { 1, -1, 3, -1, -1, -1, -1, -1 },
 544                 .gpio_pol = { 0, 0, 0, 0, 0, 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 = &buz_init,
 550         }, {
 551                 .type = AVS6EYES,
 552                 .name = "6-Eyes",
 553 /* AverMedia chose not to brand the 6-Eyes. Thus it can't be autodetected, and requires card=x. */
 554                 .i2c_decoder = "ks0127",
 555                 .addrs_decoder = ks0127_addrs,
 556                 .i2c_encoder = "bt866",
 557                 .addrs_encoder = bt866_addrs,
 558                 .video_codec = CODEC_TYPE_ZR36060,
 559
 560                 .inputs = 10,
 561                 .input = {
 562                         { 0, "Composite 1" },
 563                         { 1, "Composite 2" },
 564                         { 2, "Composite 3" },
 565                         { 4, "Composite 4" },
 566                         { 5, "Composite 5" },
 567                         { 6, "Composite 6" },
 568                         { 8, "S-Video 1" },
 569                         { 9, "S-Video 2" },
 570                         {10, "S-Video 3" },
 571                         {15, "YCbCr" }
 572                 },
 573                 .norms = V4L2_STD_NTSC | V4L2_STD_PAL,
 574                 .tvn = {
 575                         &f50ccir601_avs6eyes,
 576                         &f60ccir601_avs6eyes,
 577                         NULL
 578                 },
 579                 .jpeg_int = ZR36057_ISR_GIRQ1,
 580                 .vsync_int = ZR36057_ISR_GIRQ0,
 581                 .gpio = { 1, 0, 3, -1, -1, -1, -1, -1 },// Validity unknown /Sam
 582                 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 }, // Validity unknown /Sam
 583                 .gpcs = { 3, 1 },                       // Validity unknown /Sam
 584                 .vfe_pol = { 1, 0, 0, 0, 0, 1, 0, 0 },  // Validity unknown /Sam
 585                 .gws_not_connected = 1,
 586                 .input_mux = 1,
 587                 .init = &avs6eyes_init,
 588         }
 589
 590 };
 591
 592 /*
 593  * I2C functions
 594  */
 595 /* software I2C functions */
 596 static int zoran_i2c_getsda(void *data)
 597 {
 598         struct zoran *zr = (struct zoran *)data;
 599
 600         return (btread(ZR36057_I2CBR) >> 1) & 1;
 601 }
 602
 603 static int zoran_i2c_getscl(void *data)
 604 {
 605         struct zoran *zr = (struct zoran *)data;
 606
 607         return btread(ZR36057_I2CBR) & 1;
 608 }
 609
 610 static void zoran_i2c_setsda(void *data, int state)
 611 {
 612         struct zoran *zr = (struct zoran *)data;
 613
 614         if (state)
 615                 zr->i2cbr |= 2;
 616         else
 617                 zr->i2cbr &= ~2;
 618         btwrite(zr->i2cbr, ZR36057_I2CBR);
 619 }
 620
 621 static void zoran_i2c_setscl(void *data, int state)
 622 {
 623         struct zoran *zr = (struct zoran *)data;
 624
 625         if (state)
 626                 zr->i2cbr |= 1;
 627         else
 628                 zr->i2cbr &= ~1;
 629         btwrite(zr->i2cbr, ZR36057_I2CBR);
 630 }
 631
 632 static const struct i2c_algo_bit_data zoran_i2c_bit_data_template = {
 633         .setsda = zoran_i2c_setsda,
 634         .setscl = zoran_i2c_setscl,
 635         .getsda = zoran_i2c_getsda,
 636         .getscl = zoran_i2c_getscl,
 637         .udelay = 10,
 638         .timeout = 100,
 639 };
 640
 641 static int zoran_register_i2c(struct zoran *zr)
 642 {
 643         zr->i2c_algo = zoran_i2c_bit_data_template;
 644         zr->i2c_algo.data = zr;
 645         strscpy(zr->i2c_adapter.name, ZR_DEVNAME(zr),
 646                 sizeof(zr->i2c_adapter.name));
 647         i2c_set_adapdata(&zr->i2c_adapter, &zr->v4l2_dev);
 648         zr->i2c_adapter.algo_data = &zr->i2c_algo;
 649         zr->i2c_adapter.dev.parent = &zr->pci_dev->dev;
 650         return i2c_bit_add_bus(&zr->i2c_adapter);
 651 }
 652
 653 static void zoran_unregister_i2c(struct zoran *zr)
 654 {
 655         i2c_del_adapter(&zr->i2c_adapter);
 656 }
 657
 658 /* Check a zoran_params struct for correctness, insert default params */
 659 int zoran_check_jpg_settings(struct zoran *zr,
 660                              struct zoran_jpg_settings *settings, int try)
 661 {
 662         int err = 0, err0 = 0;
 663
 664         pci_dbg(zr->pci_dev, "%s - dec: %d, Hdcm: %d, Vdcm: %d, Tdcm: %d\n",
 665                 __func__, settings->decimation, settings->hor_dcm,
 666                 settings->ver_dcm, settings->tmp_dcm);
 667         pci_dbg(zr->pci_dev, "%s - x: %d, y: %d, w: %d, y: %d\n", __func__,
 668                 settings->img_x, settings->img_y,
 669                 settings->img_width, settings->img_height);
 670         /* Check decimation, set default values for decimation = 1, 2, 4 */
 671         switch (settings->decimation) {
 672         case 1:
 673
 674                 settings->hor_dcm = 1;
 675                 settings->ver_dcm = 1;
 676                 settings->tmp_dcm = 1;
 677                 settings->field_per_buff = 2;
 678                 settings->img_x = 0;
 679                 settings->img_y = 0;
 680                 settings->img_width = BUZ_MAX_WIDTH;
 681                 settings->img_height = BUZ_MAX_HEIGHT / 2;
 682                 break;
 683         case 2:
 684
 685                 settings->hor_dcm = 2;
 686                 settings->ver_dcm = 1;
 687                 settings->tmp_dcm = 2;
 688                 settings->field_per_buff = 1;
 689                 settings->img_x = (BUZ_MAX_WIDTH == 720) ? 8 : 0;
 690                 settings->img_y = 0;
 691                 settings->img_width =
 692                     (BUZ_MAX_WIDTH == 720) ? 704 : BUZ_MAX_WIDTH;
 693                 settings->img_height = BUZ_MAX_HEIGHT / 2;
 694                 break;
 695         case 4:
 696
 697                 if (zr->card.type == DC10_NEW) {
 698                         pci_dbg(zr->pci_dev, "%s - HDec by 4 is not supported on the DC10\n", __func__);
 699                         err0++;
 700                         break;
 701                 }
 702
 703                 settings->hor_dcm = 4;
 704                 settings->ver_dcm = 2;
 705                 settings->tmp_dcm = 2;
 706                 settings->field_per_buff = 1;
 707                 settings->img_x = (BUZ_MAX_WIDTH == 720) ? 8 : 0;
 708                 settings->img_y = 0;
 709                 settings->img_width =
 710                     (BUZ_MAX_WIDTH == 720) ? 704 : BUZ_MAX_WIDTH;
 711                 settings->img_height = BUZ_MAX_HEIGHT / 2;
 712                 break;
 713         case 0:
 714
 715                 /* We have to check the data the user has set */
 716
 717                 if (settings->hor_dcm != 1 && settings->hor_dcm != 2 &&
 718                     (zr->card.type == DC10_NEW || settings->hor_dcm != 4)) {
 719                         settings->hor_dcm = clamp(settings->hor_dcm, 1, 2);
 720                         err0++;
 721                 }
 722                 if (settings->ver_dcm != 1 && settings->ver_dcm != 2) {
 723                         settings->ver_dcm = clamp(settings->ver_dcm, 1, 2);
 724                         err0++;
 725                 }
 726                 if (settings->tmp_dcm != 1 && settings->tmp_dcm != 2) {
 727                         settings->tmp_dcm = clamp(settings->tmp_dcm, 1, 2);
 728                         err0++;
 729                 }
 730                 if (settings->field_per_buff != 1 &&
 731                     settings->field_per_buff != 2) {
 732                         settings->field_per_buff = clamp(settings->field_per_buff, 1, 2);
 733                         err0++;
 734                 }
 735                 if (settings->img_x < 0) {
 736                         settings->img_x = 0;
 737                         err0++;
 738                 }
 739                 if (settings->img_y < 0) {
 740                         settings->img_y = 0;
 741                         err0++;
 742                 }
 743                 if (settings->img_width < 0 || settings->img_width > BUZ_MAX_WIDTH) {
 744                         settings->img_width = clamp(settings->img_width, 0, (int)BUZ_MAX_WIDTH);
 745                         err0++;
 746                 }
 747                 if (settings->img_height < 0 || settings->img_height > BUZ_MAX_HEIGHT / 2) {
 748                         settings->img_height = clamp(settings->img_height, 0, BUZ_MAX_HEIGHT / 2);
 749                         err0++;
 750                 }
 751                 if (settings->img_x + settings->img_width > BUZ_MAX_WIDTH) {
 752                         settings->img_x = BUZ_MAX_WIDTH - settings->img_width;
 753                         err0++;
 754                 }
 755                 if (settings->img_y + settings->img_height > BUZ_MAX_HEIGHT / 2) {
 756                         settings->img_y = BUZ_MAX_HEIGHT / 2 - settings->img_height;
 757                         err0++;
 758                 }
 759                 if (settings->img_width % (16 * settings->hor_dcm) != 0) {
 760                         settings->img_width -= settings->img_width % (16 * settings->hor_dcm);
 761                         if (settings->img_width == 0)
 762                                 settings->img_width = 16 * settings->hor_dcm;
 763                         err0++;
 764                 }
 765                 if (settings->img_height % (8 * settings->ver_dcm) != 0) {
 766                         settings->img_height -= settings->img_height % (8 * settings->ver_dcm);
 767                         if (settings->img_height == 0)
 768                                 settings->img_height = 8 * settings->ver_dcm;
 769                         err0++;
 770                 }
 771
 772                 if (!try && err0) {
 773                         pci_err(zr->pci_dev, "%s - error in params for decimation = 0\n", __func__);
 774                         err++;
 775                 }
 776                 break;
 777         default:
 778                 pci_err(zr->pci_dev, "%s - decimation = %d, must be 0, 1, 2 or 4\n",
 779                         __func__, settings->decimation);
 780                 err++;
 781                 break;
 782         }
 783
 784         if (settings->jpg_comp.quality > 100)
 785                 settings->jpg_comp.quality = 100;
 786         if (settings->jpg_comp.quality < 5)
 787                 settings->jpg_comp.quality = 5;
 788         if (settings->jpg_comp.APPn < 0)
 789                 settings->jpg_comp.APPn = 0;
 790         if (settings->jpg_comp.APPn > 15)
 791                 settings->jpg_comp.APPn = 15;
 792         if (settings->jpg_comp.APP_len < 0)
 793                 settings->jpg_comp.APP_len = 0;
 794         if (settings->jpg_comp.APP_len > 60)
 795                 settings->jpg_comp.APP_len = 60;
 796         if (settings->jpg_comp.COM_len < 0)
 797                 settings->jpg_comp.COM_len = 0;
 798         if (settings->jpg_comp.COM_len > 60)
 799                 settings->jpg_comp.COM_len = 60;
 800         if (err)
 801                 return -EINVAL;
 802         return 0;
 803 }
 804
 805 static int zoran_init_video_device(struct zoran *zr, struct video_device *video_dev, int dir)
 806 {
 807         int err;
 808
 809         /* Now add the template and register the device unit. */
 810         *video_dev = zoran_template;
 811         video_dev->v4l2_dev = &zr->v4l2_dev;
 812         video_dev->lock = &zr->lock;
 813         video_dev->device_caps = V4L2_CAP_STREAMING | V4L2_CAP_READWRITE | dir;
 814
 815         strscpy(video_dev->name, ZR_DEVNAME(zr), sizeof(video_dev->name));
 816         /*
 817          * It's not a mem2mem device, but you can both capture and output from one and the same
 818          * device. This should really be split up into two device nodes, but that's a job for
 819          * another day.
 820          */
 821         video_dev->vfl_dir = VFL_DIR_M2M;
 822         zoran_queue_init(zr, &zr->vq, V4L2_BUF_TYPE_VIDEO_CAPTURE);
 823
 824         err = video_register_device(video_dev, VFL_TYPE_VIDEO, video_nr[zr->id]);
 825         if (err < 0)
 826                 return err;
 827         video_set_drvdata(video_dev, zr);
 828         return 0;
 829 }
 830
 831 static void zoran_exit_video_devices(struct zoran *zr)
 832 {
 833         video_unregister_device(zr->video_dev);
 834         kfree(zr->video_dev);
 835 }
 836
 837 static int zoran_init_video_devices(struct zoran *zr)
 838 {
 839         int err;
 840
 841         zr->video_dev = video_device_alloc();
 842         if (!zr->video_dev)
 843                 return -ENOMEM;
 844
 845         err = zoran_init_video_device(zr, zr->video_dev, V4L2_CAP_VIDEO_CAPTURE);
 846         if (err)
 847                 kfree(zr->video_dev);
 848         return err;
 849 }
 850
 851 void zoran_open_init_params(struct zoran *zr)
 852 {
 853         int i;
 854
 855         zr->v4l_settings.width = 192;
 856         zr->v4l_settings.height = 144;
 857         zr->v4l_settings.format = &zoran_formats[7];    /* YUY2 - YUV-4:2:2 packed */
 858         zr->v4l_settings.bytesperline = zr->v4l_settings.width *
 859                 ((zr->v4l_settings.format->depth + 7) / 8);
 860
 861         /* Set necessary params and call zoran_check_jpg_settings to set the defaults */
 862         zr->jpg_settings.decimation = 1;
 863         zr->jpg_settings.jpg_comp.quality = 50; /* default compression factor 8 */
 864         if (zr->card.type != BUZ)
 865                 zr->jpg_settings.odd_even = 1;
 866         else
 867                 zr->jpg_settings.odd_even = 0;
 868         zr->jpg_settings.jpg_comp.APPn = 0;
 869         zr->jpg_settings.jpg_comp.APP_len = 0;  /* No APPn marker */
 870         memset(zr->jpg_settings.jpg_comp.APP_data, 0,
 871                sizeof(zr->jpg_settings.jpg_comp.APP_data));
 872         zr->jpg_settings.jpg_comp.COM_len = 0;  /* No COM marker */
 873         memset(zr->jpg_settings.jpg_comp.COM_data, 0,
 874                sizeof(zr->jpg_settings.jpg_comp.COM_data));
 875         zr->jpg_settings.jpg_comp.jpeg_markers =
 876             V4L2_JPEG_MARKER_DHT | V4L2_JPEG_MARKER_DQT;
 877         i = zoran_check_jpg_settings(zr, &zr->jpg_settings, 0);
 878         if (i)
 879                 pci_err(zr->pci_dev, "%s internal error\n", __func__);
 880
 881         zr->buffer_size = zr->v4l_settings.bytesperline * zr->v4l_settings.height;
 882
 883         clear_interrupt_counters(zr);
 884 }
 885
 886 static int zr36057_init(struct zoran *zr)
 887 {
 888         int j, err;
 889
 890         pci_info(zr->pci_dev, "initializing card[%d]\n", zr->id);
 891
 892         /* Avoid nonsense settings from user for default input/norm */
 893         if (default_norm < 0 || default_norm > 2)
 894                 default_norm = 0;
 895         if (default_norm == 0) {
 896                 zr->norm = V4L2_STD_PAL;
 897                 zr->timing = zr->card.tvn[ZR_NORM_PAL];
 898         } else if (default_norm == 1) {
 899                 zr->norm = V4L2_STD_NTSC;
 900                 zr->timing = zr->card.tvn[ZR_NORM_NTSC];
 901         } else {
 902                 zr->norm = V4L2_STD_SECAM;
 903                 zr->timing = zr->card.tvn[ZR_NORM_SECAM];
 904         }
 905         if (!zr->timing) {
 906                 pci_warn(zr->pci_dev, "%s - default TV standard not supported by hardware. PAL will be used.\n", __func__);
 907                 zr->norm = V4L2_STD_PAL;
 908                 zr->timing = zr->card.tvn[ZR_NORM_PAL];
 909         }
 910
 911         if (default_input > zr->card.inputs - 1) {
 912                 pci_warn(zr->pci_dev, "default_input value %d out of range (0-%d)\n",
 913                          default_input, zr->card.inputs - 1);
 914                 default_input = 0;
 915         }
 916         zr->input = default_input;
 917
 918         /* default setup (will be repeated at every open) */
 919         zoran_open_init_params(zr);
 920
 921         /* allocate memory *before* doing anything to the hardware in case allocation fails */
 922         zr->stat_com = dma_alloc_coherent(&zr->pci_dev->dev,
 923                                           BUZ_NUM_STAT_COM * sizeof(u32),
 924                                           &zr->p_sc, GFP_KERNEL);
 925         if (!zr->stat_com) {
 926                 return -ENOMEM;
 927         }
 928         for (j = 0; j < BUZ_NUM_STAT_COM; j++)
 929                 zr->stat_com[j] = cpu_to_le32(1); /* mark as unavailable to zr36057 */
 930
 931         zr->stat_comb = dma_alloc_coherent(&zr->pci_dev->dev,
 932                                            BUZ_NUM_STAT_COM * sizeof(u32) * 2,
 933                                            &zr->p_scb, GFP_KERNEL);
 934         if (!zr->stat_comb) {
 935                 err = -ENOMEM;
 936                 goto exit_statcom;
 937         }
 938
 939         err = zoran_init_video_devices(zr);
 940         if (err)
 941                 goto exit_statcomb;
 942
 943         zoran_init_hardware(zr);
 944         if (!pass_through) {
 945                 decoder_call(zr, video, s_stream, 0);
 946                 encoder_call(zr, video, s_routing, 2, 0, 0);
 947         }
 948
 949         zr->initialized = 1;
 950         return 0;
 951
 952 exit_statcomb:
 953         dma_free_coherent(&zr->pci_dev->dev, BUZ_NUM_STAT_COM * sizeof(u32) * 2, zr->stat_comb, zr->p_scb);
 954 exit_statcom:
 955         dma_free_coherent(&zr->pci_dev->dev, BUZ_NUM_STAT_COM * sizeof(u32), zr->stat_com, zr->p_sc);
 956         return err;
 957 }
 958
 959 static void zoran_remove(struct pci_dev *pdev)
 960 {
 961         struct v4l2_device *v4l2_dev = dev_get_drvdata(&pdev->dev);
 962         struct zoran *zr = to_zoran(v4l2_dev);
 963
 964         if (!zr->initialized)
 965                 goto exit_free;
 966
 967         zoran_queue_exit(zr);
 968
 969         /* unregister videocodec bus */
 970         if (zr->codec)
 971                 videocodec_detach(zr->codec);
 972         if (zr->vfe)
 973                 videocodec_detach(zr->vfe);
 974
 975         /* unregister i2c bus */
 976         zoran_unregister_i2c(zr);
 977         /* disable PCI bus-mastering */
 978         zoran_set_pci_master(zr, 0);
 979         /* put chip into reset */
 980         btwrite(0, ZR36057_SPGPPCR);
 981         pci_free_irq(zr->pci_dev, 0, zr);
 982         /* unmap and free memory */
 983         dma_free_coherent(&zr->pci_dev->dev, BUZ_NUM_STAT_COM * sizeof(u32), zr->stat_com, zr->p_sc);
 984         dma_free_coherent(&zr->pci_dev->dev, BUZ_NUM_STAT_COM * sizeof(u32) * 2, zr->stat_comb, zr->p_scb);
 985         pci_release_regions(pdev);
 986         pci_disable_device(zr->pci_dev);
 987         zoran_exit_video_devices(zr);
 988 exit_free:
 989         v4l2_ctrl_handler_free(&zr->hdl);
 990         v4l2_device_unregister(&zr->v4l2_dev);
 991 }
 992
 993 void zoran_vdev_release(struct video_device *vdev)
 994 {
 995         kfree(vdev);
 996 }
 997
 998 static struct videocodec_master *zoran_setup_videocodec(struct zoran *zr,
 999                                                         int type)
1000 {
1001         struct videocodec_master *m = NULL;
1002
1003         m = devm_kmalloc(&zr->pci_dev->dev, sizeof(*m), GFP_KERNEL);
1004         if (!m)
1005                 return m;
1006
1007         /*
1008          * magic and type are unused for master struct. Makes sense only at codec structs.
1009          * In the past, .type were initialized to the old V4L1 .hardware value,
1010          * as VID_HARDWARE_ZR36067
1011          */
1012         m->magic = 0L;
1013         m->type = 0;
1014
1015         m->flags = CODEC_FLAG_ENCODER | CODEC_FLAG_DECODER;
1016         strscpy(m->name, ZR_DEVNAME(zr), sizeof(m->name));
1017         m->data = zr;
1018
1019         switch (type) {
1020         case CODEC_TYPE_ZR36060:
1021                 m->readreg = zr36060_read;
1022                 m->writereg = zr36060_write;
1023                 m->flags |= CODEC_FLAG_JPEG | CODEC_FLAG_VFE;
1024                 break;
1025         case CODEC_TYPE_ZR36050:
1026                 m->readreg = zr36050_read;
1027                 m->writereg = zr36050_write;
1028                 m->flags |= CODEC_FLAG_JPEG;
1029                 break;
1030         case CODEC_TYPE_ZR36016:
1031                 m->readreg = zr36016_read;
1032                 m->writereg = zr36016_write;
1033                 m->flags |= CODEC_FLAG_VFE;
1034                 break;
1035         }
1036
1037         return m;
1038 }
1039
1040 static void zoran_subdev_notify(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
1041 {
1042         struct zoran *zr = to_zoran(sd->v4l2_dev);
1043
1044         /*
1045          * Bt819 needs to reset its FIFO buffer using #FRST pin and
1046          * LML33 card uses GPIO(7) for that.
1047          */
1048         if (cmd == BT819_FIFO_RESET_LOW)
1049                 GPIO(zr, 7, 0);
1050         else if (cmd == BT819_FIFO_RESET_HIGH)
1051                 GPIO(zr, 7, 1);
1052 }
1053
1054 static int zoran_video_set_ctrl(struct v4l2_ctrl *ctrl)
1055 {
1056         struct zoran *zr = container_of(ctrl->handler, struct zoran, hdl);
1057
1058         switch (ctrl->id) {
1059         case V4L2_CID_JPEG_COMPRESSION_QUALITY:
1060                 zr->jpg_settings.jpg_comp.quality = ctrl->val;
1061                 return zoran_check_jpg_settings(zr, &zr->jpg_settings, 0);
1062         default:
1063                 return -EINVAL;
1064         }
1065
1066         return 0;
1067 }
1068
1069 static const struct v4l2_ctrl_ops zoran_video_ctrl_ops = {
1070         .s_ctrl = zoran_video_set_ctrl,
1071 };
1072
1073 /*
1074  *   Scan for a Buz card (actually for the PCI controller ZR36057),
1075  *   request the irq and map the io memory
1076  */
1077 static int zoran_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1078 {
1079         unsigned char latency, need_latency;
1080         struct zoran *zr;
1081         int result;
1082         struct videocodec_master *master_vfe = NULL;
1083         struct videocodec_master *master_codec = NULL;
1084         int card_num;
1085         const char *codec_name, *vfe_name;
1086         unsigned int nr;
1087         int err;
1088
1089         err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
1090         if (err)
1091                 return err;
1092         err = vb2_dma_contig_set_max_seg_size(&pdev->dev, U32_MAX);
1093         if (err)
1094                 return err;
1095
1096         nr = zoran_num++;
1097         if (nr >= BUZ_MAX) {
1098                 pci_err(pdev, "driver limited to %d card(s) maximum\n", BUZ_MAX);
1099                 return -ENOENT;
1100         }
1101
1102         zr = devm_kzalloc(&pdev->dev, sizeof(*zr), GFP_KERNEL);
1103         if (!zr)
1104                 return -ENOMEM;
1105
1106         zr->v4l2_dev.notify = zoran_subdev_notify;
1107         if (v4l2_device_register(&pdev->dev, &zr->v4l2_dev))
1108                 goto zr_free_mem;
1109         zr->pci_dev = pdev;
1110         zr->id = nr;
1111         snprintf(ZR_DEVNAME(zr), sizeof(ZR_DEVNAME(zr)), "MJPEG[%u]", zr->id);
1112         if (v4l2_ctrl_handler_init(&zr->hdl, 10))
1113                 goto zr_unreg;
1114         zr->v4l2_dev.ctrl_handler = &zr->hdl;
1115         v4l2_ctrl_new_std(&zr->hdl, &zoran_video_ctrl_ops,
1116                           V4L2_CID_JPEG_COMPRESSION_QUALITY, 0,
1117                           100, 1, 50);
1118         spin_lock_init(&zr->spinlock);
1119         mutex_init(&zr->lock);
1120         if (pci_enable_device(pdev))
1121                 goto zr_unreg;
1122         zr->revision = zr->pci_dev->revision;
1123
1124         pci_info(zr->pci_dev, "Zoran ZR360%c7 (rev %d), irq: %d, memory: 0x%08llx\n",
1125                  zr->revision < 2 ? '5' : '6', zr->revision,
1126                  zr->pci_dev->irq, (uint64_t)pci_resource_start(zr->pci_dev, 0));
1127         if (zr->revision >= 2)
1128                 pci_info(zr->pci_dev, "Subsystem vendor=0x%04x id=0x%04x\n",
1129                          zr->pci_dev->subsystem_vendor, zr->pci_dev->subsystem_device);
1130
1131         /* Use auto-detected card type? */
1132         if (card[nr] == -1) {
1133                 if (zr->revision < 2) {
1134                         pci_err(pdev, "No card type specified, please use the card=X module parameter\n");
1135                         pci_err(pdev, "It is not possible to auto-detect ZR36057 based cards\n");
1136                         goto zr_unreg;
1137                 }
1138
1139                 card_num = ent->driver_data;
1140                 if (card_num >= NUM_CARDS) {
1141                         pci_err(pdev, "Unknown card, try specifying card=X module parameter\n");
1142                         goto zr_unreg;
1143                 }
1144                 pci_info(zr->pci_dev, "%s() - card %s detected\n", __func__, zoran_cards[card_num].name);
1145         } else {
1146                 card_num = card[nr];
1147                 if (card_num >= NUM_CARDS || card_num < 0) {
1148                         pci_err(pdev, "User specified card type %d out of range (0 .. %d)\n",
1149                                 card_num, NUM_CARDS - 1);
1150                         goto zr_unreg;
1151                 }
1152         }
1153
1154         /*
1155          * even though we make this a non pointer and thus
1156          * theoretically allow for making changes to this struct
1157          * on a per-individual card basis at runtime, this is
1158          * strongly discouraged. This structure is intended to
1159          * keep general card information, no settings or anything
1160          */
1161         zr->card = zoran_cards[card_num];
1162         snprintf(ZR_DEVNAME(zr), sizeof(ZR_DEVNAME(zr)), "%s[%u]",
1163                  zr->card.name, zr->id);
1164
1165         err = pci_request_regions(pdev, ZR_DEVNAME(zr));
1166         if (err)
1167                 goto zr_unreg;
1168
1169         zr->zr36057_mem = devm_ioremap(&pdev->dev, pci_resource_start(pdev, 0), pci_resource_len(pdev, 0));
1170         if (!zr->zr36057_mem) {
1171                 pci_err(pdev, "%s() - ioremap failed\n", __func__);
1172                 goto zr_pci_release;
1173         }
1174
1175         result = pci_request_irq(pdev, 0, zoran_irq, NULL, zr, ZR_DEVNAME(zr));
1176         if (result < 0) {
1177                 if (result == -EINVAL) {
1178                         pci_err(pdev, "%s - bad IRQ number or handler\n", __func__);
1179                 } else if (result == -EBUSY) {
1180                         pci_err(pdev, "%s - IRQ %d busy, change your PnP config in BIOS\n",
1181                                 __func__, zr->pci_dev->irq);
1182                 } else {
1183                         pci_err(pdev, "%s - cannot assign IRQ, error code %d\n", __func__, result);
1184                 }
1185                 goto zr_pci_release;
1186         }
1187
1188         /* set PCI latency timer */
1189         pci_read_config_byte(zr->pci_dev, PCI_LATENCY_TIMER,
1190                              &latency);
1191         need_latency = zr->revision > 1 ? 32 : 48;
1192         if (latency != need_latency) {
1193                 pci_info(zr->pci_dev, "Changing PCI latency from %d to %d\n", latency, need_latency);
1194                 pci_write_config_byte(zr->pci_dev, PCI_LATENCY_TIMER, need_latency);
1195         }
1196
1197         zr36057_restart(zr);
1198         /* i2c */
1199         pci_info(zr->pci_dev, "Initializing i2c bus...\n");
1200
1201         if (zoran_register_i2c(zr) < 0) {
1202                 pci_err(pdev, "%s - can't initialize i2c bus\n", __func__);
1203                 goto zr_free_irq;
1204         }
1205
1206         zr->decoder = v4l2_i2c_new_subdev(&zr->v4l2_dev, &zr->i2c_adapter,
1207                                           zr->card.i2c_decoder, 0,
1208                                           zr->card.addrs_decoder);
1209
1210         if (zr->card.i2c_encoder)
1211                 zr->encoder = v4l2_i2c_new_subdev(&zr->v4l2_dev, &zr->i2c_adapter,
1212                                                   zr->card.i2c_encoder, 0,
1213                                                   zr->card.addrs_encoder);
1214
1215         pci_info(zr->pci_dev, "Initializing videocodec bus...\n");
1216
1217         if (zr->card.video_codec) {
1218                 codec_name = codecid_to_modulename(zr->card.video_codec);
1219                 if (codec_name) {
1220                         result = request_module(codec_name);
1221                         if (result)
1222                                 pci_err(pdev, "failed to load modules %s: %d\n", codec_name, result);
1223                 }
1224         }
1225         if (zr->card.video_vfe) {
1226                 vfe_name = codecid_to_modulename(zr->card.video_vfe);
1227                 if (vfe_name) {
1228                         result = request_module(vfe_name);
1229                         if (result < 0)
1230                                 pci_err(pdev, "failed to load modules %s: %d\n", vfe_name, result);
1231                 }
1232         }
1233
1234         /* reset JPEG codec */
1235         jpeg_codec_sleep(zr, 1);
1236         jpeg_codec_reset(zr);
1237         /* video bus enabled */
1238         /* display codec revision */
1239         if (zr->card.video_codec != 0) {
1240                 master_codec = zoran_setup_videocodec(zr, zr->card.video_codec);
1241                 if (!master_codec)
1242                         goto zr_unreg_i2c;
1243                 zr->codec = videocodec_attach(master_codec);
1244                 if (!zr->codec) {
1245                         pci_err(pdev, "%s - no codec found\n", __func__);
1246                         goto zr_unreg_i2c;
1247                 }
1248                 if (zr->codec->type != zr->card.video_codec) {
1249                         pci_err(pdev, "%s - wrong codec\n", __func__);
1250                         goto zr_detach_codec;
1251                 }
1252         }
1253         if (zr->card.video_vfe != 0) {
1254                 master_vfe = zoran_setup_videocodec(zr, zr->card.video_vfe);
1255                 if (!master_vfe)
1256                         goto zr_detach_codec;
1257                 zr->vfe = videocodec_attach(master_vfe);
1258                 if (!zr->vfe) {
1259                         pci_err(pdev, "%s - no VFE found\n", __func__);
1260                         goto zr_detach_codec;
1261                 }
1262                 if (zr->vfe->type != zr->card.video_vfe) {
1263                         pci_err(pdev, "%s = wrong VFE\n", __func__);
1264                         goto zr_detach_vfe;
1265                 }
1266         }
1267
1268         /* take care of Natoma chipset and a revision 1 zr36057 */
1269         if ((pci_pci_problems & PCIPCI_NATOMA) && zr->revision <= 1)
1270                 pci_info(zr->pci_dev, "ZR36057/Natoma bug, max. buffer size is 128K\n");
1271
1272         if (zr36057_init(zr) < 0)
1273                 goto zr_detach_vfe;
1274
1275         zr->map_mode = ZORAN_MAP_MODE_RAW;
1276
1277         return 0;
1278
1279 zr_detach_vfe:
1280         videocodec_detach(zr->vfe);
1281 zr_detach_codec:
1282         videocodec_detach(zr->codec);
1283 zr_unreg_i2c:
1284         zoran_unregister_i2c(zr);
1285 zr_free_irq:
1286         btwrite(0, ZR36057_SPGPPCR);
1287         pci_free_irq(zr->pci_dev, 0, zr);
1288 zr_pci_release:
1289         pci_release_regions(pdev);
1290 zr_unreg:
1291         v4l2_ctrl_handler_free(&zr->hdl);
1292         v4l2_device_unregister(&zr->v4l2_dev);
1293 zr_free_mem:
1294
1295         return -ENODEV;
1296 }
1297
1298 static struct pci_driver zoran_driver = {
1299         .name = "zr36067",
1300         .id_table = zr36067_pci_tbl,
1301         .probe = zoran_probe,
1302         .remove = zoran_remove,
1303 };
1304
1305 static int __init zoran_init(void)
1306 {
1307         int res;
1308
1309         pr_info("Zoran MJPEG board driver version %s\n", ZORAN_VERSION);
1310
1311         /* check the parameters we have been given, adjust if necessary */
1312         if (v4l_nbufs < 2)
1313                 v4l_nbufs = 2;
1314         if (v4l_nbufs > VIDEO_MAX_FRAME)
1315                 v4l_nbufs = VIDEO_MAX_FRAME;
1316         /* The user specifies the in KB, we want them in byte (and page aligned) */
1317         v4l_bufsize = PAGE_ALIGN(v4l_bufsize * 1024);
1318         if (v4l_bufsize < 32768)
1319                 v4l_bufsize = 32768;
1320         /* 2 MB is arbitrary but sufficient for the maximum possible images */
1321         if (v4l_bufsize > 2048 * 1024)
1322                 v4l_bufsize = 2048 * 1024;
1323         if (jpg_nbufs < 4)
1324                 jpg_nbufs = 4;
1325         if (jpg_nbufs > BUZ_MAX_FRAME)
1326                 jpg_nbufs = BUZ_MAX_FRAME;
1327         jpg_bufsize = PAGE_ALIGN(jpg_bufsize * 1024);
1328         if (jpg_bufsize < 8192)
1329                 jpg_bufsize = 8192;
1330         if (jpg_bufsize > (512 * 1024))
1331                 jpg_bufsize = 512 * 1024;
1332         /* Use parameter for vidmem or try to find a video card */
1333         if (vidmem)
1334                 pr_info("%s: Using supplied video memory base address @ 0x%lx\n", ZORAN_NAME, vidmem);
1335
1336         /* some mainboards might not do PCI-PCI data transfer well */
1337         if (pci_pci_problems & (PCIPCI_FAIL | PCIAGP_FAIL | PCIPCI_ALIMAGIK))
1338                 pr_warn("%s: chipset does not support reliable PCI-PCI DMA\n", ZORAN_NAME);
1339
1340         res = pci_register_driver(&zoran_driver);
1341         if (res) {
1342                 pr_err("Unable to register ZR36057 driver\n");
1343                 return res;
1344         }
1345
1346         return 0;
1347 }
1348
1349 static void __exit zoran_exit(void)
1350 {
1351         pci_unregister_driver(&zoran_driver);
1352 }
1353
1354 module_init(zoran_init);
1355 module_exit(zoran_exit);