root/drivers/media/pci/saa7146/hexium_orion.c

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DEFINITIONS

This source file includes following definitions.
  1. hexium_probe
  2. hexium_init_done
  3. hexium_set_input
  4. vidioc_enum_input
  5. vidioc_g_input
  6. vidioc_s_input
  7. hexium_attach
  8. hexium_detach
  9. std_callback
  10. hexium_init_module
  11. hexium_cleanup_module

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3     hexium_orion.c - v4l2 driver for the Hexium Orion frame grabber cards
   4 
   5     Visit http://www.mihu.de/linux/saa7146/ and follow the link
   6     to "hexium" for further details about this card.
   7 
   8     Copyright (C) 2003 Michael Hunold <michael@mihu.de>
   9 
  10 */
  11 
  12 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  13 
  14 #define DEBUG_VARIABLE debug
  15 
  16 #include <media/drv-intf/saa7146_vv.h>
  17 #include <linux/module.h>
  18 #include <linux/kernel.h>
  19 
  20 static int debug;
  21 module_param(debug, int, 0);
  22 MODULE_PARM_DESC(debug, "debug verbosity");
  23 
  24 /* global variables */
  25 static int hexium_num;
  26 
  27 #define HEXIUM_HV_PCI6_ORION            1
  28 #define HEXIUM_ORION_1SVHS_3BNC         2
  29 #define HEXIUM_ORION_4BNC               3
  30 
  31 #define HEXIUM_INPUTS   9
  32 static struct v4l2_input hexium_inputs[HEXIUM_INPUTS] = {
  33         { 0, "CVBS 1",  V4L2_INPUT_TYPE_CAMERA, 0, 0, V4L2_STD_ALL, 0, V4L2_IN_CAP_STD },
  34         { 1, "CVBS 2",  V4L2_INPUT_TYPE_CAMERA, 0, 0, V4L2_STD_ALL, 0, V4L2_IN_CAP_STD },
  35         { 2, "CVBS 3",  V4L2_INPUT_TYPE_CAMERA, 0, 0, V4L2_STD_ALL, 0, V4L2_IN_CAP_STD },
  36         { 3, "CVBS 4",  V4L2_INPUT_TYPE_CAMERA, 0, 0, V4L2_STD_ALL, 0, V4L2_IN_CAP_STD },
  37         { 4, "CVBS 5",  V4L2_INPUT_TYPE_CAMERA, 0, 0, V4L2_STD_ALL, 0, V4L2_IN_CAP_STD },
  38         { 5, "CVBS 6",  V4L2_INPUT_TYPE_CAMERA, 0, 0, V4L2_STD_ALL, 0, V4L2_IN_CAP_STD },
  39         { 6, "Y/C 1",   V4L2_INPUT_TYPE_CAMERA, 0, 0, V4L2_STD_ALL, 0, V4L2_IN_CAP_STD },
  40         { 7, "Y/C 2",   V4L2_INPUT_TYPE_CAMERA, 0, 0, V4L2_STD_ALL, 0, V4L2_IN_CAP_STD },
  41         { 8, "Y/C 3",   V4L2_INPUT_TYPE_CAMERA, 0, 0, V4L2_STD_ALL, 0, V4L2_IN_CAP_STD },
  42 };
  43 
  44 #define HEXIUM_AUDIOS   0
  45 
  46 struct hexium_data
  47 {
  48         s8 adr;
  49         u8 byte;
  50 };
  51 
  52 struct hexium
  53 {
  54         int type;
  55         struct video_device     video_dev;
  56         struct i2c_adapter      i2c_adapter;
  57 
  58         int cur_input;  /* current input */
  59 };
  60 
  61 /* Philips SAA7110 decoder default registers */
  62 static u8 hexium_saa7110[53]={
  63 /*00*/ 0x4C,0x3C,0x0D,0xEF,0xBD,0xF0,0x00,0x00,
  64 /*08*/ 0xF8,0xF8,0x60,0x60,0x40,0x86,0x18,0x90,
  65 /*10*/ 0x00,0x2C,0x40,0x46,0x42,0x1A,0xFF,0xDA,
  66 /*18*/ 0xF0,0x8B,0x00,0x00,0x00,0x00,0x00,0x00,
  67 /*20*/ 0xD9,0x17,0x40,0x41,0x80,0x41,0x80,0x4F,
  68 /*28*/ 0xFE,0x01,0x0F,0x0F,0x03,0x01,0x81,0x03,
  69 /*30*/ 0x44,0x75,0x01,0x8C,0x03
  70 };
  71 
  72 static struct {
  73         struct hexium_data data[8];
  74 } hexium_input_select[] = {
  75 {
  76         { /* cvbs 1 */
  77                 { 0x06, 0x00 },
  78                 { 0x20, 0xD9 },
  79                 { 0x21, 0x17 }, // 0x16,
  80                 { 0x22, 0x40 },
  81                 { 0x2C, 0x03 },
  82                 { 0x30, 0x44 },
  83                 { 0x31, 0x75 }, // ??
  84                 { 0x21, 0x16 }, // 0x03,
  85         }
  86 }, {
  87         { /* cvbs 2 */
  88                 { 0x06, 0x00 },
  89                 { 0x20, 0x78 },
  90                 { 0x21, 0x07 }, // 0x03,
  91                 { 0x22, 0xD2 },
  92                 { 0x2C, 0x83 },
  93                 { 0x30, 0x60 },
  94                 { 0x31, 0xB5 }, // ?
  95                 { 0x21, 0x03 },
  96         }
  97 }, {
  98         { /* cvbs 3 */
  99                 { 0x06, 0x00 },
 100                 { 0x20, 0xBA },
 101                 { 0x21, 0x07 }, // 0x05,
 102                 { 0x22, 0x91 },
 103                 { 0x2C, 0x03 },
 104                 { 0x30, 0x60 },
 105                 { 0x31, 0xB5 }, // ??
 106                 { 0x21, 0x05 }, // 0x03,
 107         }
 108 }, {
 109         { /* cvbs 4 */
 110                 { 0x06, 0x00 },
 111                 { 0x20, 0xD8 },
 112                 { 0x21, 0x17 }, // 0x16,
 113                 { 0x22, 0x40 },
 114                 { 0x2C, 0x03 },
 115                 { 0x30, 0x44 },
 116                 { 0x31, 0x75 }, // ??
 117                 { 0x21, 0x16 }, // 0x03,
 118         }
 119 }, {
 120         { /* cvbs 5 */
 121                 { 0x06, 0x00 },
 122                 { 0x20, 0xB8 },
 123                 { 0x21, 0x07 }, // 0x05,
 124                 { 0x22, 0x91 },
 125                 { 0x2C, 0x03 },
 126                 { 0x30, 0x60 },
 127                 { 0x31, 0xB5 }, // ??
 128                 { 0x21, 0x05 }, // 0x03,
 129         }
 130 }, {
 131         { /* cvbs 6 */
 132                 { 0x06, 0x00 },
 133                 { 0x20, 0x7C },
 134                 { 0x21, 0x07 }, // 0x03
 135                 { 0x22, 0xD2 },
 136                 { 0x2C, 0x83 },
 137                 { 0x30, 0x60 },
 138                 { 0x31, 0xB5 }, // ??
 139                 { 0x21, 0x03 },
 140         }
 141 }, {
 142         { /* y/c 1 */
 143                 { 0x06, 0x80 },
 144                 { 0x20, 0x59 },
 145                 { 0x21, 0x17 },
 146                 { 0x22, 0x42 },
 147                 { 0x2C, 0xA3 },
 148                 { 0x30, 0x44 },
 149                 { 0x31, 0x75 },
 150                 { 0x21, 0x12 },
 151         }
 152 }, {
 153         { /* y/c 2 */
 154                 { 0x06, 0x80 },
 155                 { 0x20, 0x9A },
 156                 { 0x21, 0x17 },
 157                 { 0x22, 0xB1 },
 158                 { 0x2C, 0x13 },
 159                 { 0x30, 0x60 },
 160                 { 0x31, 0xB5 },
 161                 { 0x21, 0x14 },
 162         }
 163 }, {
 164         { /* y/c 3 */
 165                 { 0x06, 0x80 },
 166                 { 0x20, 0x3C },
 167                 { 0x21, 0x27 },
 168                 { 0x22, 0xC1 },
 169                 { 0x2C, 0x23 },
 170                 { 0x30, 0x44 },
 171                 { 0x31, 0x75 },
 172                 { 0x21, 0x21 },
 173         }
 174 }
 175 };
 176 
 177 static struct saa7146_standard hexium_standards[] = {
 178         {
 179                 .name   = "PAL",        .id     = V4L2_STD_PAL,
 180                 .v_offset       = 16,   .v_field        = 288,
 181                 .h_offset       = 1,    .h_pixels       = 680,
 182                 .v_max_out      = 576,  .h_max_out      = 768,
 183         }, {
 184                 .name   = "NTSC",       .id     = V4L2_STD_NTSC,
 185                 .v_offset       = 16,   .v_field        = 240,
 186                 .h_offset       = 1,    .h_pixels       = 640,
 187                 .v_max_out      = 480,  .h_max_out      = 640,
 188         }, {
 189                 .name   = "SECAM",      .id     = V4L2_STD_SECAM,
 190                 .v_offset       = 16,   .v_field        = 288,
 191                 .h_offset       = 1,    .h_pixels       = 720,
 192                 .v_max_out      = 576,  .h_max_out      = 768,
 193         }
 194 };
 195 
 196 /* this is only called for old HV-PCI6/Orion cards
 197    without eeprom */
 198 static int hexium_probe(struct saa7146_dev *dev)
 199 {
 200         struct hexium *hexium = NULL;
 201         union i2c_smbus_data data;
 202         int err = 0;
 203 
 204         DEB_EE("\n");
 205 
 206         /* there are no hexium orion cards with revision 0 saa7146s */
 207         if (0 == dev->revision) {
 208                 return -EFAULT;
 209         }
 210 
 211         hexium = kzalloc(sizeof(*hexium), GFP_KERNEL);
 212         if (!hexium)
 213                 return -ENOMEM;
 214 
 215         /* enable i2c-port pins */
 216         saa7146_write(dev, MC1, (MASK_08 | MASK_24 | MASK_10 | MASK_26));
 217 
 218         saa7146_write(dev, DD1_INIT, 0x01000100);
 219         saa7146_write(dev, DD1_STREAM_B, 0x00000000);
 220         saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26));
 221 
 222         strscpy(hexium->i2c_adapter.name, "hexium orion",
 223                 sizeof(hexium->i2c_adapter.name));
 224         saa7146_i2c_adapter_prepare(dev, &hexium->i2c_adapter, SAA7146_I2C_BUS_BIT_RATE_480);
 225         if (i2c_add_adapter(&hexium->i2c_adapter) < 0) {
 226                 DEB_S("cannot register i2c-device. skipping.\n");
 227                 kfree(hexium);
 228                 return -EFAULT;
 229         }
 230 
 231         /* set SAA7110 control GPIO 0 */
 232         saa7146_setgpio(dev, 0, SAA7146_GPIO_OUTHI);
 233         /*  set HWControl GPIO number 2 */
 234         saa7146_setgpio(dev, 2, SAA7146_GPIO_OUTHI);
 235 
 236         mdelay(10);
 237 
 238         /* detect newer Hexium Orion cards by subsystem ids */
 239         if (0x17c8 == dev->pci->subsystem_vendor && 0x0101 == dev->pci->subsystem_device) {
 240                 pr_info("device is a Hexium Orion w/ 1 SVHS + 3 BNC inputs\n");
 241                 /* we store the pointer in our private data field */
 242                 dev->ext_priv = hexium;
 243                 hexium->type = HEXIUM_ORION_1SVHS_3BNC;
 244                 return 0;
 245         }
 246 
 247         if (0x17c8 == dev->pci->subsystem_vendor && 0x2101 == dev->pci->subsystem_device) {
 248                 pr_info("device is a Hexium Orion w/ 4 BNC inputs\n");
 249                 /* we store the pointer in our private data field */
 250                 dev->ext_priv = hexium;
 251                 hexium->type = HEXIUM_ORION_4BNC;
 252                 return 0;
 253         }
 254 
 255         /* check if this is an old hexium Orion card by looking at
 256            a saa7110 at address 0x4e */
 257         err = i2c_smbus_xfer(&hexium->i2c_adapter, 0x4e, 0, I2C_SMBUS_READ,
 258                              0x00, I2C_SMBUS_BYTE_DATA, &data);
 259         if (err == 0) {
 260                 pr_info("device is a Hexium HV-PCI6/Orion (old)\n");
 261                 /* we store the pointer in our private data field */
 262                 dev->ext_priv = hexium;
 263                 hexium->type = HEXIUM_HV_PCI6_ORION;
 264                 return 0;
 265         }
 266 
 267         i2c_del_adapter(&hexium->i2c_adapter);
 268         kfree(hexium);
 269         return -EFAULT;
 270 }
 271 
 272 /* bring hardware to a sane state. this has to be done, just in case someone
 273    wants to capture from this device before it has been properly initialized.
 274    the capture engine would badly fail, because no valid signal arrives on the
 275    saa7146, thus leading to timeouts and stuff. */
 276 static int hexium_init_done(struct saa7146_dev *dev)
 277 {
 278         struct hexium *hexium = (struct hexium *) dev->ext_priv;
 279         union i2c_smbus_data data;
 280         int i = 0;
 281 
 282         DEB_D("hexium_init_done called\n");
 283 
 284         /* initialize the helper ics to useful values */
 285         for (i = 0; i < sizeof(hexium_saa7110); i++) {
 286                 data.byte = hexium_saa7110[i];
 287                 if (0 != i2c_smbus_xfer(&hexium->i2c_adapter, 0x4e, 0, I2C_SMBUS_WRITE, i, I2C_SMBUS_BYTE_DATA, &data)) {
 288                         pr_err("failed for address 0x%02x\n", i);
 289                 }
 290         }
 291 
 292         return 0;
 293 }
 294 
 295 static int hexium_set_input(struct hexium *hexium, int input)
 296 {
 297         union i2c_smbus_data data;
 298         int i = 0;
 299 
 300         DEB_D("\n");
 301 
 302         for (i = 0; i < 8; i++) {
 303                 int adr = hexium_input_select[input].data[i].adr;
 304                 data.byte = hexium_input_select[input].data[i].byte;
 305                 if (0 != i2c_smbus_xfer(&hexium->i2c_adapter, 0x4e, 0, I2C_SMBUS_WRITE, adr, I2C_SMBUS_BYTE_DATA, &data)) {
 306                         return -1;
 307                 }
 308                 pr_debug("%d: 0x%02x => 0x%02x\n", input, adr, data.byte);
 309         }
 310 
 311         return 0;
 312 }
 313 
 314 static int vidioc_enum_input(struct file *file, void *fh, struct v4l2_input *i)
 315 {
 316         DEB_EE("VIDIOC_ENUMINPUT %d\n", i->index);
 317 
 318         if (i->index >= HEXIUM_INPUTS)
 319                 return -EINVAL;
 320 
 321         memcpy(i, &hexium_inputs[i->index], sizeof(struct v4l2_input));
 322 
 323         DEB_D("v4l2_ioctl: VIDIOC_ENUMINPUT %d\n", i->index);
 324         return 0;
 325 }
 326 
 327 static int vidioc_g_input(struct file *file, void *fh, unsigned int *input)
 328 {
 329         struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
 330         struct hexium *hexium = (struct hexium *) dev->ext_priv;
 331 
 332         *input = hexium->cur_input;
 333 
 334         DEB_D("VIDIOC_G_INPUT: %d\n", *input);
 335         return 0;
 336 }
 337 
 338 static int vidioc_s_input(struct file *file, void *fh, unsigned int input)
 339 {
 340         struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
 341         struct hexium *hexium = (struct hexium *) dev->ext_priv;
 342 
 343         if (input >= HEXIUM_INPUTS)
 344                 return -EINVAL;
 345 
 346         hexium->cur_input = input;
 347         hexium_set_input(hexium, input);
 348 
 349         return 0;
 350 }
 351 
 352 static struct saa7146_ext_vv vv_data;
 353 
 354 /* this function only gets called when the probing was successful */
 355 static int hexium_attach(struct saa7146_dev *dev, struct saa7146_pci_extension_data *info)
 356 {
 357         struct hexium *hexium = (struct hexium *) dev->ext_priv;
 358 
 359         DEB_EE("\n");
 360 
 361         saa7146_vv_init(dev, &vv_data);
 362         vv_data.vid_ops.vidioc_enum_input = vidioc_enum_input;
 363         vv_data.vid_ops.vidioc_g_input = vidioc_g_input;
 364         vv_data.vid_ops.vidioc_s_input = vidioc_s_input;
 365         if (0 != saa7146_register_device(&hexium->video_dev, dev, "hexium orion", VFL_TYPE_GRABBER)) {
 366                 pr_err("cannot register capture v4l2 device. skipping.\n");
 367                 return -1;
 368         }
 369 
 370         pr_err("found 'hexium orion' frame grabber-%d\n", hexium_num);
 371         hexium_num++;
 372 
 373         /* the rest */
 374         hexium->cur_input = 0;
 375         hexium_init_done(dev);
 376 
 377         return 0;
 378 }
 379 
 380 static int hexium_detach(struct saa7146_dev *dev)
 381 {
 382         struct hexium *hexium = (struct hexium *) dev->ext_priv;
 383 
 384         DEB_EE("dev:%p\n", dev);
 385 
 386         saa7146_unregister_device(&hexium->video_dev, dev);
 387         saa7146_vv_release(dev);
 388 
 389         hexium_num--;
 390 
 391         i2c_del_adapter(&hexium->i2c_adapter);
 392         kfree(hexium);
 393         return 0;
 394 }
 395 
 396 static int std_callback(struct saa7146_dev *dev, struct saa7146_standard *std)
 397 {
 398         return 0;
 399 }
 400 
 401 static struct saa7146_extension extension;
 402 
 403 static struct saa7146_pci_extension_data hexium_hv_pci6 = {
 404         .ext_priv = "Hexium HV-PCI6 / Orion",
 405         .ext = &extension,
 406 };
 407 
 408 static struct saa7146_pci_extension_data hexium_orion_1svhs_3bnc = {
 409         .ext_priv = "Hexium HV-PCI6 / Orion (1 SVHS/3 BNC)",
 410         .ext = &extension,
 411 };
 412 
 413 static struct saa7146_pci_extension_data hexium_orion_4bnc = {
 414         .ext_priv = "Hexium HV-PCI6 / Orion (4 BNC)",
 415         .ext = &extension,
 416 };
 417 
 418 static const struct pci_device_id pci_tbl[] = {
 419         {
 420          .vendor = PCI_VENDOR_ID_PHILIPS,
 421          .device = PCI_DEVICE_ID_PHILIPS_SAA7146,
 422          .subvendor = 0x0000,
 423          .subdevice = 0x0000,
 424          .driver_data = (unsigned long) &hexium_hv_pci6,
 425          },
 426         {
 427          .vendor = PCI_VENDOR_ID_PHILIPS,
 428          .device = PCI_DEVICE_ID_PHILIPS_SAA7146,
 429          .subvendor = 0x17c8,
 430          .subdevice = 0x0101,
 431          .driver_data = (unsigned long) &hexium_orion_1svhs_3bnc,
 432          },
 433         {
 434          .vendor = PCI_VENDOR_ID_PHILIPS,
 435          .device = PCI_DEVICE_ID_PHILIPS_SAA7146,
 436          .subvendor = 0x17c8,
 437          .subdevice = 0x2101,
 438          .driver_data = (unsigned long) &hexium_orion_4bnc,
 439          },
 440         {
 441          .vendor = 0,
 442          }
 443 };
 444 
 445 MODULE_DEVICE_TABLE(pci, pci_tbl);
 446 
 447 static struct saa7146_ext_vv vv_data = {
 448         .inputs = HEXIUM_INPUTS,
 449         .capabilities = 0,
 450         .stds = &hexium_standards[0],
 451         .num_stds = ARRAY_SIZE(hexium_standards),
 452         .std_callback = &std_callback,
 453 };
 454 
 455 static struct saa7146_extension extension = {
 456         .name = "hexium HV-PCI6 Orion",
 457         .flags = 0,             // SAA7146_USE_I2C_IRQ,
 458 
 459         .pci_tbl = &pci_tbl[0],
 460         .module = THIS_MODULE,
 461 
 462         .probe = hexium_probe,
 463         .attach = hexium_attach,
 464         .detach = hexium_detach,
 465 
 466         .irq_mask = 0,
 467         .irq_func = NULL,
 468 };
 469 
 470 static int __init hexium_init_module(void)
 471 {
 472         if (0 != saa7146_register_extension(&extension)) {
 473                 DEB_S("failed to register extension\n");
 474                 return -ENODEV;
 475         }
 476 
 477         return 0;
 478 }
 479 
 480 static void __exit hexium_cleanup_module(void)
 481 {
 482         saa7146_unregister_extension(&extension);
 483 }
 484 
 485 module_init(hexium_init_module);
 486 module_exit(hexium_cleanup_module);
 487 
 488 MODULE_DESCRIPTION("video4linux-2 driver for Hexium Orion frame grabber cards");
 489 MODULE_AUTHOR("Michael Hunold <michael@mihu.de>");
 490 MODULE_LICENSE("GPL");

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