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         hexium = kzalloc(sizeof(struct hexium), GFP_KERNEL);
 220         if (NULL == hexium) {
 221                 printk("hexium_orion: hexium_probe: not enough kernel memory.\n");
 222                 return -ENOMEM;
 223         }
 224
 225         /* enable i2c-port pins */
 226         saa7146_write(dev, MC1, (MASK_08 | MASK_24 | MASK_10 | MASK_26));
 227
 228         saa7146_write(dev, DD1_INIT, 0x01000100);
 229         saa7146_write(dev, DD1_STREAM_B, 0x00000000);
 230         saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26));
 231
 232         hexium->i2c_adapter = (struct i2c_adapter) {
 233                 .name = "hexium orion",
 234         };
 235         saa7146_i2c_adapter_prepare(dev, &hexium->i2c_adapter, SAA7146_I2C_BUS_BIT_RATE_480);
 236         if (i2c_add_adapter(&hexium->i2c_adapter) < 0) {
 237                 DEB_S(("cannot register i2c-device. skipping.\n"));
 238                 kfree(hexium);
 239                 return -EFAULT;
 240         }
 241
 242         /* set SAA7110 control GPIO 0 */
 243         saa7146_setgpio(dev, 0, SAA7146_GPIO_OUTHI);
 244         /*  set HWControl GPIO number 2 */
 245         saa7146_setgpio(dev, 2, SAA7146_GPIO_OUTHI);
 246
 247         mdelay(10);
 248
 249         /* detect newer Hexium Orion cards by subsystem ids */
 250         if (0x17c8 == dev->pci->subsystem_vendor && 0x0101 == dev->pci->subsystem_device) {
 251                 printk("hexium_orion: device is a Hexium Orion w/ 1 SVHS + 3 BNC inputs.\n");
 252                 /* we store the pointer in our private data field */
 253                 dev->ext_priv = hexium;
 254                 hexium->type = HEXIUM_ORION_1SVHS_3BNC;
 255                 return 0;
 256         }
 257
 258         if (0x17c8 == dev->pci->subsystem_vendor && 0x2101 == dev->pci->subsystem_device) {
 259                 printk("hexium_orion: device is a Hexium Orion w/ 4 BNC inputs.\n");
 260                 /* we store the pointer in our private data field */
 261                 dev->ext_priv = hexium;
 262                 hexium->type = HEXIUM_ORION_4BNC;
 263                 return 0;
 264         }
 265
 266         /* check if this is an old hexium Orion card by looking at
 267            a saa7110 at address 0x4e */
 268         if (0 == (err = i2c_smbus_xfer(&hexium->i2c_adapter, 0x4e, 0, I2C_SMBUS_READ, 0x00, I2C_SMBUS_BYTE_DATA, &data))) {
 269                 printk("hexium_orion: device is a Hexium HV-PCI6/Orion (old).\n");
 270                 /* we store the pointer in our private data field */
 271                 dev->ext_priv = hexium;
 272                 hexium->type = HEXIUM_HV_PCI6_ORION;
 273                 return 0;
 274         }
 275
 276         i2c_del_adapter(&hexium->i2c_adapter);
 277         kfree(hexium);
 278         return -EFAULT;
 279 }
 280
 281 /* bring hardware to a sane state. this has to be done, just in case someone
 282    wants to capture from this device before it has been properly initialized.
 283    the capture engine would badly fail, because no valid signal arrives on the
 284    saa7146, thus leading to timeouts and stuff. */
 285 static int hexium_init_done(struct saa7146_dev *dev)
 286 {
 287         struct hexium *hexium = (struct hexium *) dev->ext_priv;
 288         union i2c_smbus_data data;
 289         int i = 0;
 290
 291         DEB_D(("hexium_init_done called.\n"));
 292
 293         /* initialize the helper ics to useful values */
 294         for (i = 0; i < sizeof(hexium_saa7110); i++) {
 295                 data.byte = hexium_saa7110[i];
 296                 if (0 != i2c_smbus_xfer(&hexium->i2c_adapter, 0x4e, 0, I2C_SMBUS_WRITE, i, I2C_SMBUS_BYTE_DATA, &data)) {
 297                         printk("hexium_orion: failed for address 0x%02x\n", i);
 298                 }
 299         }
 300
 301         return 0;
 302 }
 303
 304 static int hexium_set_input(struct hexium *hexium, int input)
 305 {
 306         union i2c_smbus_data data;
 307         int i = 0;
 308
 309         DEB_D((".\n"));
 310
 311         for (i = 0; i < 8; i++) {
 312                 int adr = hexium_input_select[input].data[i].adr;
 313                 data.byte = hexium_input_select[input].data[i].byte;
 314                 if (0 != i2c_smbus_xfer(&hexium->i2c_adapter, 0x4e, 0, I2C_SMBUS_WRITE, adr, I2C_SMBUS_BYTE_DATA, &data)) {
 315                         return -1;
 316                 }
 317                 printk("%d: 0x%02x => 0x%02x\n",input, adr,data.byte);
 318         }
 319
 320         return 0;
 321 }
 322
 323 static int vidioc_enum_input(struct file *file, void *fh, struct v4l2_input *i)
 324 {
 325         DEB_EE(("VIDIOC_ENUMINPUT %d.\n", i->index));
 326
 327         if (i->index >= HEXIUM_INPUTS)
 328                 return -EINVAL;
 329
 330         memcpy(i, &hexium_inputs[i->index], sizeof(struct v4l2_input));
 331
 332         DEB_D(("v4l2_ioctl: VIDIOC_ENUMINPUT %d.\n", i->index));
 333         return 0;
 334 }
 335
 336 static int vidioc_g_input(struct file *file, void *fh, unsigned int *input)
 337 {
 338         struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
 339         struct hexium *hexium = (struct hexium *) dev->ext_priv;
 340
 341         *input = hexium->cur_input;
 342
 343         DEB_D(("VIDIOC_G_INPUT: %d\n", *input));
 344         return 0;
 345 }
 346
 347 static int vidioc_s_input(struct file *file, void *fh, unsigned int input)
 348 {
 349         struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
 350         struct hexium *hexium = (struct hexium *) dev->ext_priv;
 351
 352         if (input >= HEXIUM_INPUTS)
 353                 return -EINVAL;
 354
 355         hexium->cur_input = input;
 356         hexium_set_input(hexium, input);
 357
 358         return 0;
 359 }
 360
 361 static struct saa7146_ext_vv vv_data;
 362
 363 /* this function only gets called when the probing was successful */
 364 static int hexium_attach(struct saa7146_dev *dev, struct saa7146_pci_extension_data *info)
 365 {
 366         struct hexium *hexium = (struct hexium *) dev->ext_priv;
 367
 368         DEB_EE((".\n"));
 369
 370         saa7146_vv_init(dev, &vv_data);
 371         vv_data.ops.vidioc_enum_input = vidioc_enum_input;
 372         vv_data.ops.vidioc_g_input = vidioc_g_input;
 373         vv_data.ops.vidioc_s_input = vidioc_s_input;
 374         if (0 != saa7146_register_device(&hexium->video_dev, dev, "hexium orion", VFL_TYPE_GRABBER)) {
 375                 printk("hexium_orion: cannot register capture v4l2 device. skipping.\n");
 376                 return -1;
 377         }
 378
 379         printk("hexium_orion: found 'hexium orion' frame grabber-%d.\n", hexium_num);
 380         hexium_num++;
 381
 382         /* the rest */
 383         hexium->cur_input = 0;
 384         hexium_init_done(dev);
 385
 386         return 0;
 387 }
 388
 389 static int hexium_detach(struct saa7146_dev *dev)
 390 {
 391         struct hexium *hexium = (struct hexium *) dev->ext_priv;
 392
 393         DEB_EE(("dev:%p\n", dev));
 394
 395         saa7146_unregister_device(&hexium->video_dev, dev);
 396         saa7146_vv_release(dev);
 397
 398         hexium_num--;
 399
 400         i2c_del_adapter(&hexium->i2c_adapter);
 401         kfree(hexium);
 402         return 0;
 403 }
 404
 405 static int std_callback(struct saa7146_dev *dev, struct saa7146_standard *std)
 406 {
 407         return 0;
 408 }
 409
 410 static struct saa7146_extension extension;
 411
 412 static struct saa7146_pci_extension_data hexium_hv_pci6 = {
 413         .ext_priv = "Hexium HV-PCI6 / Orion",
 414         .ext = &extension,
 415 };
 416
 417 static struct saa7146_pci_extension_data hexium_orion_1svhs_3bnc = {
 418         .ext_priv = "Hexium HV-PCI6 / Orion (1 SVHS/3 BNC)",
 419         .ext = &extension,
 420 };
 421
 422 static struct saa7146_pci_extension_data hexium_orion_4bnc = {
 423         .ext_priv = "Hexium HV-PCI6 / Orion (4 BNC)",
 424         .ext = &extension,
 425 };
 426
 427 static struct pci_device_id pci_tbl[] = {
 428         {
 429          .vendor = PCI_VENDOR_ID_PHILIPS,
 430          .device = PCI_DEVICE_ID_PHILIPS_SAA7146,
 431          .subvendor = 0x0000,
 432          .subdevice = 0x0000,
 433          .driver_data = (unsigned long) &hexium_hv_pci6,
 434          },
 435         {
 436          .vendor = PCI_VENDOR_ID_PHILIPS,
 437          .device = PCI_DEVICE_ID_PHILIPS_SAA7146,
 438          .subvendor = 0x17c8,
 439          .subdevice = 0x0101,
 440          .driver_data = (unsigned long) &hexium_orion_1svhs_3bnc,
 441          },
 442         {
 443          .vendor = PCI_VENDOR_ID_PHILIPS,
 444          .device = PCI_DEVICE_ID_PHILIPS_SAA7146,
 445          .subvendor = 0x17c8,
 446          .subdevice = 0x2101,
 447          .driver_data = (unsigned long) &hexium_orion_4bnc,
 448          },
 449         {
 450          .vendor = 0,
 451          }
 452 };
 453
 454 MODULE_DEVICE_TABLE(pci, pci_tbl);
 455
 456 static struct saa7146_ext_vv vv_data = {
 457         .inputs = HEXIUM_INPUTS,
 458         .capabilities = 0,
 459         .stds = &hexium_standards[0],
 460         .num_stds = sizeof(hexium_standards) / sizeof(struct saa7146_standard),
 461         .std_callback = &std_callback,
 462 };
 463
 464 static struct saa7146_extension extension = {
 465         .name = "hexium HV-PCI6 Orion",
 466         .flags = 0,             // SAA7146_USE_I2C_IRQ,
 467
 468         .pci_tbl = &pci_tbl[0],
 469         .module = THIS_MODULE,
 470
 471         .probe = hexium_probe,
 472         .attach = hexium_attach,
 473         .detach = hexium_detach,
 474
 475         .irq_mask = 0,
 476         .irq_func = NULL,
 477 };
 478
 479 static int __init hexium_init_module(void)
 480 {
 481         if (0 != saa7146_register_extension(&extension)) {
 482                 DEB_S(("failed to register extension.\n"));
 483                 return -ENODEV;
 484         }
 485
 486         return 0;
 487 }
 488
 489 static void __exit hexium_cleanup_module(void)
 490 {
 491         saa7146_unregister_extension(&extension);
 492 }
 493
 494 module_init(hexium_init_module);
 495 module_exit(hexium_cleanup_module);
 496
 497 MODULE_DESCRIPTION("video4linux-2 driver for Hexium Orion frame grabber cards");
 498 MODULE_AUTHOR("Michael Hunold <michael@mihu.de>");
 499 MODULE_LICENSE("GPL");