drivers/media/video/hexium_orion.c

   1 /*
   2     hexium_orion.c - v4l2 driver for the Hexium Orion frame grabber cards
   3
   4     Visit http://www.mihu.de/linux/saa7146/ and follow the link
   5     to "hexium" for further details about this card.
   6
   7     Copyright (C) 2003 Michael Hunold <michael@mihu.de>
   8
   9     This program is free software; you can redistribute it and/or modify
  10     it under the terms of the GNU General Public License as published by
  11     the Free Software Foundation; either version 2 of the License, or
  12     (at your option) any later version.
  13
  14     This program is distributed in the hope that it will be useful,
  15     but WITHOUT ANY WARRANTY; without even the implied warranty of
  16     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17     GNU General Public License for more details.
  18
  19     You should have received a copy of the GNU General Public License
  20     along with this program; if not, write to the Free Software
  21     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  22 */
  23
  24 #define DEBUG_VARIABLE debug
  25
  26 #include <media/saa7146_vv.h>
  27
  28 static int debug;
  29 module_param(debug, int, 0);
  30 MODULE_PARM_DESC(debug, "debug verbosity");
  31
  32 /* global variables */
  33 static int hexium_num;
  34
  35 #define HEXIUM_HV_PCI6_ORION            1
  36 #define HEXIUM_ORION_1SVHS_3BNC         2
  37 #define HEXIUM_ORION_4BNC               3
  38
  39 #define HEXIUM_INPUTS   9
  40 static struct v4l2_input hexium_inputs[HEXIUM_INPUTS] = {
  41         { 0, "CVBS 1",  V4L2_INPUT_TYPE_CAMERA, 2, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
  42         { 1, "CVBS 2",  V4L2_INPUT_TYPE_CAMERA, 2, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
  43         { 2, "CVBS 3",  V4L2_INPUT_TYPE_CAMERA, 2, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
  44         { 3, "CVBS 4",  V4L2_INPUT_TYPE_CAMERA, 2, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
  45         { 4, "CVBS 5",  V4L2_INPUT_TYPE_CAMERA, 2, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
  46         { 5, "CVBS 6",  V4L2_INPUT_TYPE_CAMERA, 2, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
  47         { 6, "Y/C 1",   V4L2_INPUT_TYPE_CAMERA, 2, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
  48         { 7, "Y/C 2",   V4L2_INPUT_TYPE_CAMERA, 2, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
  49         { 8, "Y/C 3",   V4L2_INPUT_TYPE_CAMERA, 2, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
  50 };
  51
  52 #define HEXIUM_AUDIOS   0
  53
  54 struct hexium_data
  55 {
  56         s8 adr;
  57         u8 byte;
  58 };
  59
  60 struct hexium
  61 {
  62         int type;
  63         struct video_device     *video_dev;
  64         struct i2c_adapter      i2c_adapter;
  65
  66         int cur_input;  /* current input */
  67 };
  68
  69 /* Philips SAA7110 decoder default registers */
  70 static u8 hexium_saa7110[53]={
  71 /*00*/ 0x4C,0x3C,0x0D,0xEF,0xBD,0xF0,0x00,0x00,
  72 /*08*/ 0xF8,0xF8,0x60,0x60,0x40,0x86,0x18,0x90,
  73 /*10*/ 0x00,0x2C,0x40,0x46,0x42,0x1A,0xFF,0xDA,
  74 /*18*/ 0xF0,0x8B,0x00,0x00,0x00,0x00,0x00,0x00,
  75 /*20*/ 0xD9,0x17,0x40,0x41,0x80,0x41,0x80,0x4F,
  76 /*28*/ 0xFE,0x01,0x0F,0x0F,0x03,0x01,0x81,0x03,
  77 /*30*/ 0x44,0x75,0x01,0x8C,0x03
  78 };
  79
  80 static struct {
  81         struct hexium_data data[8];
  82 } hexium_input_select[] = {
  83 {
  84         { /* cvbs 1 */
  85                 { 0x06, 0x00 },
  86                 { 0x20, 0xD9 },
  87                 { 0x21, 0x17 }, // 0x16,
  88                 { 0x22, 0x40 },
  89                 { 0x2C, 0x03 },
  90                 { 0x30, 0x44 },
  91                 { 0x31, 0x75 }, // ??
  92                 { 0x21, 0x16 }, // 0x03,
  93         }
  94 }, {
  95         { /* cvbs 2 */
  96                 { 0x06, 0x00 },
  97                 { 0x20, 0x78 },
  98                 { 0x21, 0x07 }, // 0x03,
  99                 { 0x22, 0xD2 },
 100                 { 0x2C, 0x83 },
 101                 { 0x30, 0x60 },
 102                 { 0x31, 0xB5 }, // ?
 103                 { 0x21, 0x03 },
 104         }
 105 }, {
 106         { /* cvbs 3 */
 107                 { 0x06, 0x00 },
 108                 { 0x20, 0xBA },
 109                 { 0x21, 0x07 }, // 0x05,
 110                 { 0x22, 0x91 },
 111                 { 0x2C, 0x03 },
 112                 { 0x30, 0x60 },
 113                 { 0x31, 0xB5 }, // ??
 114                 { 0x21, 0x05 }, // 0x03,
 115         }
 116 }, {
 117         { /* cvbs 4 */
 118                 { 0x06, 0x00 },
 119                 { 0x20, 0xD8 },
 120                 { 0x21, 0x17 }, // 0x16,
 121                 { 0x22, 0x40 },
 122                 { 0x2C, 0x03 },
 123                 { 0x30, 0x44 },
 124                 { 0x31, 0x75 }, // ??
 125                 { 0x21, 0x16 }, // 0x03,
 126         }
 127 }, {
 128         { /* cvbs 5 */
 129                 { 0x06, 0x00 },
 130                 { 0x20, 0xB8 },
 131                 { 0x21, 0x07 }, // 0x05,
 132                 { 0x22, 0x91 },
 133                 { 0x2C, 0x03 },
 134                 { 0x30, 0x60 },
 135                 { 0x31, 0xB5 }, // ??
 136                 { 0x21, 0x05 }, // 0x03,
 137         }
 138 }, {
 139         { /* cvbs 6 */
 140                 { 0x06, 0x00 },
 141                 { 0x20, 0x7C },
 142                 { 0x21, 0x07 }, // 0x03
 143                 { 0x22, 0xD2 },
 144                 { 0x2C, 0x83 },
 145                 { 0x30, 0x60 },
 146                 { 0x31, 0xB5 }, // ??
 147                 { 0x21, 0x03 },
 148         }
 149 }, {
 150         { /* y/c 1 */
 151                 { 0x06, 0x80 },
 152                 { 0x20, 0x59 },
 153                 { 0x21, 0x17 },
 154                 { 0x22, 0x42 },
 155                 { 0x2C, 0xA3 },
 156                 { 0x30, 0x44 },
 157                 { 0x31, 0x75 },
 158                 { 0x21, 0x12 },
 159         }
 160 }, {
 161         { /* y/c 2 */
 162                 { 0x06, 0x80 },
 163                 { 0x20, 0x9A },
 164                 { 0x21, 0x17 },
 165                 { 0x22, 0xB1 },
 166                 { 0x2C, 0x13 },
 167                 { 0x30, 0x60 },
 168                 { 0x31, 0xB5 },
 169                 { 0x21, 0x14 },
 170         }
 171 }, {
 172         { /* y/c 3 */
 173                 { 0x06, 0x80 },
 174                 { 0x20, 0x3C },
 175                 { 0x21, 0x27 },
 176                 { 0x22, 0xC1 },
 177                 { 0x2C, 0x23 },
 178                 { 0x30, 0x44 },
 179                 { 0x31, 0x75 },
 180                 { 0x21, 0x21 },
 181         }
 182 }
 183 };
 184
 185 static struct saa7146_standard hexium_standards[] = {
 186         {
 187                 .name   = "PAL",        .id     = V4L2_STD_PAL,
 188                 .v_offset       = 16,   .v_field        = 288,
 189                 .h_offset       = 1,    .h_pixels       = 680,
 190                 .v_max_out      = 576,  .h_max_out      = 768,
 191         }, {
 192                 .name   = "NTSC",       .id     = V4L2_STD_NTSC,
 193                 .v_offset       = 16,   .v_field        = 240,
 194                 .h_offset       = 1,    .h_pixels       = 640,
 195                 .v_max_out      = 480,  .h_max_out      = 640,
 196         }, {
 197                 .name   = "SECAM",      .id     = V4L2_STD_SECAM,
 198                 .v_offset       = 16,   .v_field        = 288,
 199                 .h_offset       = 1,    .h_pixels       = 720,
 200                 .v_max_out      = 576,  .h_max_out      = 768,
 201         }
 202 };
 203
 204 /* this is only called for old HV-PCI6/Orion cards
 205    without eeprom */
 206 static int hexium_probe(struct saa7146_dev *dev)
 207 {
 208         struct hexium *hexium = NULL;
 209         union i2c_smbus_data data;
 210         int err = 0;
 211
 212         DEB_EE((".\n"));
 213
 214         /* there are no hexium orion cards with revision 0 saa7146s */
 215         if (0 == dev->revision) {
 216                 return -EFAULT;
 217         }
 218
 219         err = saa7146_vv_devinit(dev);
 220         if (err)
 221                 return err;
 222
 223         hexium = kzalloc(sizeof(struct hexium), GFP_KERNEL);
 224         if (NULL == hexium) {
 225                 printk("hexium_orion: hexium_probe: not enough kernel memory.\n");
 226                 return -ENOMEM;
 227         }
 228
 229         /* enable i2c-port pins */
 230         saa7146_write(dev, MC1, (MASK_08 | MASK_24 | MASK_10 | MASK_26));
 231
 232         saa7146_write(dev, DD1_INIT, 0x01000100);
 233         saa7146_write(dev, DD1_STREAM_B, 0x00000000);
 234         saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26));
 235
 236         hexium->i2c_adapter = (struct i2c_adapter) {
 237                 .class = I2C_CLASS_TV_ANALOG,
 238                 .name = "hexium orion",
 239         };
 240         saa7146_i2c_adapter_prepare(dev, &hexium->i2c_adapter, SAA7146_I2C_BUS_BIT_RATE_480);
 241         if (i2c_add_adapter(&hexium->i2c_adapter) < 0) {
 242                 DEB_S(("cannot register i2c-device. skipping.\n"));
 243                 kfree(hexium);
 244                 return -EFAULT;
 245         }
 246
 247         /* set SAA7110 control GPIO 0 */
 248         saa7146_setgpio(dev, 0, SAA7146_GPIO_OUTHI);
 249         /*  set HWControl GPIO number 2 */
 250         saa7146_setgpio(dev, 2, SAA7146_GPIO_OUTHI);
 251
 252         mdelay(10);
 253
 254         /* detect newer Hexium Orion cards by subsystem ids */
 255         if (0x17c8 == dev->pci->subsystem_vendor && 0x0101 == dev->pci->subsystem_device) {
 256                 printk("hexium_orion: device is a Hexium Orion w/ 1 SVHS + 3 BNC inputs.\n");
 257                 /* we store the pointer in our private data field */
 258                 dev->ext_priv = hexium;
 259                 hexium->type = HEXIUM_ORION_1SVHS_3BNC;
 260                 return 0;
 261         }
 262
 263         if (0x17c8 == dev->pci->subsystem_vendor && 0x2101 == dev->pci->subsystem_device) {
 264                 printk("hexium_orion: device is a Hexium Orion w/ 4 BNC inputs.\n");
 265                 /* we store the pointer in our private data field */
 266                 dev->ext_priv = hexium;
 267                 hexium->type = HEXIUM_ORION_4BNC;
 268                 return 0;
 269         }
 270
 271         /* check if this is an old hexium Orion card by looking at
 272            a saa7110 at address 0x4e */
 273         if (0 == (err = i2c_smbus_xfer(&hexium->i2c_adapter, 0x4e, 0, I2C_SMBUS_READ, 0x00, I2C_SMBUS_BYTE_DATA, &data))) {
 274                 printk("hexium_orion: device is a Hexium HV-PCI6/Orion (old).\n");
 275                 /* we store the pointer in our private data field */
 276                 dev->ext_priv = hexium;
 277                 hexium->type = HEXIUM_HV_PCI6_ORION;
 278                 return 0;
 279         }
 280
 281         i2c_del_adapter(&hexium->i2c_adapter);
 282         kfree(hexium);
 283         return -EFAULT;
 284 }
 285
 286 /* bring hardware to a sane state. this has to be done, just in case someone
 287    wants to capture from this device before it has been properly initialized.
 288    the capture engine would badly fail, because no valid signal arrives on the
 289    saa7146, thus leading to timeouts and stuff. */
 290 static int hexium_init_done(struct saa7146_dev *dev)
 291 {
 292         struct hexium *hexium = (struct hexium *) dev->ext_priv;
 293         union i2c_smbus_data data;
 294         int i = 0;
 295
 296         DEB_D(("hexium_init_done called.\n"));
 297
 298         /* initialize the helper ics to useful values */
 299         for (i = 0; i < sizeof(hexium_saa7110); i++) {
 300                 data.byte = hexium_saa7110[i];
 301                 if (0 != i2c_smbus_xfer(&hexium->i2c_adapter, 0x4e, 0, I2C_SMBUS_WRITE, i, I2C_SMBUS_BYTE_DATA, &data)) {
 302                         printk("hexium_orion: failed for address 0x%02x\n", i);
 303                 }
 304         }
 305
 306         return 0;
 307 }
 308
 309 static int hexium_set_input(struct hexium *hexium, int input)
 310 {
 311         union i2c_smbus_data data;
 312         int i = 0;
 313
 314         DEB_D((".\n"));
 315
 316         for (i = 0; i < 8; i++) {
 317                 int adr = hexium_input_select[input].data[i].adr;
 318                 data.byte = hexium_input_select[input].data[i].byte;
 319                 if (0 != i2c_smbus_xfer(&hexium->i2c_adapter, 0x4e, 0, I2C_SMBUS_WRITE, adr, I2C_SMBUS_BYTE_DATA, &data)) {
 320                         return -1;
 321                 }
 322                 printk("%d: 0x%02x => 0x%02x\n",input, adr,data.byte);
 323         }
 324
 325         return 0;
 326 }
 327
 328 static int vidioc_enum_input(struct file *file, void *fh, struct v4l2_input *i)
 329 {
 330         DEB_EE(("VIDIOC_ENUMINPUT %d.\n", i->index));
 331
 332         if (i->index >= HEXIUM_INPUTS)
 333                 return -EINVAL;
 334
 335         memcpy(i, &hexium_inputs[i->index], sizeof(struct v4l2_input));
 336
 337         DEB_D(("v4l2_ioctl: VIDIOC_ENUMINPUT %d.\n", i->index));
 338         return 0;
 339 }
 340
 341 static int vidioc_g_input(struct file *file, void *fh, unsigned int *input)
 342 {
 343         struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
 344         struct hexium *hexium = (struct hexium *) dev->ext_priv;
 345
 346         *input = hexium->cur_input;
 347
 348         DEB_D(("VIDIOC_G_INPUT: %d\n", *input));
 349         return 0;
 350 }
 351
 352 static int vidioc_s_input(struct file *file, void *fh, unsigned int input)
 353 {
 354         struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
 355         struct hexium *hexium = (struct hexium *) dev->ext_priv;
 356
 357         if (input >= HEXIUM_INPUTS)
 358                 return -EINVAL;
 359
 360         hexium->cur_input = input;
 361         hexium_set_input(hexium, input);
 362
 363         return 0;
 364 }
 365
 366 static struct saa7146_ext_vv vv_data;
 367
 368 /* this function only gets called when the probing was successful */
 369 static int hexium_attach(struct saa7146_dev *dev, struct saa7146_pci_extension_data *info)
 370 {
 371         struct hexium *hexium = (struct hexium *) dev->ext_priv;
 372
 373         DEB_EE((".\n"));
 374
 375         saa7146_vv_init(dev, &vv_data);
 376         vv_data.ops.vidioc_enum_input = vidioc_enum_input;
 377         vv_data.ops.vidioc_g_input = vidioc_g_input;
 378         vv_data.ops.vidioc_s_input = vidioc_s_input;
 379         if (0 != saa7146_register_device(&hexium->video_dev, dev, "hexium orion", VFL_TYPE_GRABBER)) {
 380                 printk("hexium_orion: cannot register capture v4l2 device. skipping.\n");
 381                 return -1;
 382         }
 383
 384         printk("hexium_orion: found 'hexium orion' frame grabber-%d.\n", hexium_num);
 385         hexium_num++;
 386
 387         /* the rest */
 388         hexium->cur_input = 0;
 389         hexium_init_done(dev);
 390
 391         return 0;
 392 }
 393
 394 static int hexium_detach(struct saa7146_dev *dev)
 395 {
 396         struct hexium *hexium = (struct hexium *) dev->ext_priv;
 397
 398         DEB_EE(("dev:%p\n", dev));
 399
 400         saa7146_unregister_device(&hexium->video_dev, dev);
 401         saa7146_vv_release(dev);
 402
 403         hexium_num--;
 404
 405         i2c_del_adapter(&hexium->i2c_adapter);
 406         kfree(hexium);
 407         return 0;
 408 }
 409
 410 static int std_callback(struct saa7146_dev *dev, struct saa7146_standard *std)
 411 {
 412         return 0;
 413 }
 414
 415 static struct saa7146_extension extension;
 416
 417 static struct saa7146_pci_extension_data hexium_hv_pci6 = {
 418         .ext_priv = "Hexium HV-PCI6 / Orion",
 419         .ext = &extension,
 420 };
 421
 422 static struct saa7146_pci_extension_data hexium_orion_1svhs_3bnc = {
 423         .ext_priv = "Hexium HV-PCI6 / Orion (1 SVHS/3 BNC)",
 424         .ext = &extension,
 425 };
 426
 427 static struct saa7146_pci_extension_data hexium_orion_4bnc = {
 428         .ext_priv = "Hexium HV-PCI6 / Orion (4 BNC)",
 429         .ext = &extension,
 430 };
 431
 432 static struct pci_device_id pci_tbl[] = {
 433         {
 434          .vendor = PCI_VENDOR_ID_PHILIPS,
 435          .device = PCI_DEVICE_ID_PHILIPS_SAA7146,
 436          .subvendor = 0x0000,
 437          .subdevice = 0x0000,
 438          .driver_data = (unsigned long) &hexium_hv_pci6,
 439          },
 440         {
 441          .vendor = PCI_VENDOR_ID_PHILIPS,
 442          .device = PCI_DEVICE_ID_PHILIPS_SAA7146,
 443          .subvendor = 0x17c8,
 444          .subdevice = 0x0101,
 445          .driver_data = (unsigned long) &hexium_orion_1svhs_3bnc,
 446          },
 447         {
 448          .vendor = PCI_VENDOR_ID_PHILIPS,
 449          .device = PCI_DEVICE_ID_PHILIPS_SAA7146,
 450          .subvendor = 0x17c8,
 451          .subdevice = 0x2101,
 452          .driver_data = (unsigned long) &hexium_orion_4bnc,
 453          },
 454         {
 455          .vendor = 0,
 456          }
 457 };
 458
 459 MODULE_DEVICE_TABLE(pci, pci_tbl);
 460
 461 static struct saa7146_ext_vv vv_data = {
 462         .inputs = HEXIUM_INPUTS,
 463         .capabilities = 0,
 464         .stds = &hexium_standards[0],
 465         .num_stds = sizeof(hexium_standards) / sizeof(struct saa7146_standard),
 466         .std_callback = &std_callback,
 467 };
 468
 469 static struct saa7146_extension extension = {
 470         .name = "hexium HV-PCI6 Orion",
 471         .flags = 0,             // SAA7146_USE_I2C_IRQ,
 472
 473         .pci_tbl = &pci_tbl[0],
 474         .module = THIS_MODULE,
 475
 476         .probe = hexium_probe,
 477         .attach = hexium_attach,
 478         .detach = hexium_detach,
 479
 480         .irq_mask = 0,
 481         .irq_func = NULL,
 482 };
 483
 484 static int __init hexium_init_module(void)
 485 {
 486         if (0 != saa7146_register_extension(&extension)) {
 487                 DEB_S(("failed to register extension.\n"));
 488                 return -ENODEV;
 489         }
 490
 491         return 0;
 492 }
 493
 494 static void __exit hexium_cleanup_module(void)
 495 {
 496         saa7146_unregister_extension(&extension);
 497 }
 498
 499 module_init(hexium_init_module);
 500 module_exit(hexium_cleanup_module);
 501
 502 MODULE_DESCRIPTION("video4linux-2 driver for Hexium Orion frame grabber cards");
 503 MODULE_AUTHOR("Michael Hunold <michael@mihu.de>");
 504 MODULE_LICENSE("GPL");