linux/drivers/media/pci/saa7146/hexium_orion.c
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   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
  20static int debug;
  21module_param(debug, int, 0);
  22MODULE_PARM_DESC(debug, "debug verbosity");
  23
  24/* global variables */
  25static 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
  32static 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
  46struct hexium_data
  47{
  48        s8 adr;
  49        u8 byte;
  50};
  51
  52struct 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 */
  62static 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
  72static 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
 177static 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 */
 198static 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. */
 276static 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
 295static 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
 314static 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
 327static 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
 338static 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
 352static struct saa7146_ext_vv vv_data;
 353
 354/* this function only gets called when the probing was successful */
 355static 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_VIDEO)) {
 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
 380static 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
 396static int std_callback(struct saa7146_dev *dev, struct saa7146_standard *std)
 397{
 398        return 0;
 399}
 400
 401static struct saa7146_extension extension;
 402
 403static struct saa7146_pci_extension_data hexium_hv_pci6 = {
 404        .ext_priv = "Hexium HV-PCI6 / Orion",
 405        .ext = &extension,
 406};
 407
 408static 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
 413static struct saa7146_pci_extension_data hexium_orion_4bnc = {
 414        .ext_priv = "Hexium HV-PCI6 / Orion (4 BNC)",
 415        .ext = &extension,
 416};
 417
 418static 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
 445MODULE_DEVICE_TABLE(pci, pci_tbl);
 446
 447static 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
 455static 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
 470static 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
 480static void __exit hexium_cleanup_module(void)
 481{
 482        saa7146_unregister_extension(&extension);
 483}
 484
 485module_init(hexium_init_module);
 486module_exit(hexium_cleanup_module);
 487
 488MODULE_DESCRIPTION("video4linux-2 driver for Hexium Orion frame grabber cards");
 489MODULE_AUTHOR("Michael Hunold <michael@mihu.de>");
 490MODULE_LICENSE("GPL");
 491