SAFE public projects git trees. - safe/jmp/linux-2.6/blob - drivers/staging/go7007/s2250-board.c

   1 /*
   2  * Copyright (C) 2008 Sensoray Company Inc.
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License (Version 2) as
   6  * published by the Free Software Foundation.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License
  14  * along with this program; if not, write to the Free Software Foundation,
  15  * Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
  16  */
  17
  18 #include <linux/module.h>
  19 #include <linux/init.h>
  20 #include <linux/usb.h>
  21 #include <linux/i2c.h>
  22 #include <linux/videodev2.h>
  23 #include <media/v4l2-common.h>
  24 #include "go7007-priv.h"
  25 #include "wis-i2c.h"
  26
  27 extern int s2250loader_init(void);
  28 extern void s2250loader_cleanup(void);
  29
  30 #define TLV320_ADDRESS      0x34
  31 #define VPX322_ADDR_ANALOGCONTROL1      0x02
  32 #define VPX322_ADDR_BRIGHTNESS0         0x0127
  33 #define VPX322_ADDR_BRIGHTNESS1         0x0131
  34 #define VPX322_ADDR_CONTRAST0           0x0128
  35 #define VPX322_ADDR_CONTRAST1           0x0132
  36 #define VPX322_ADDR_HUE                 0x00dc
  37 #define VPX322_ADDR_SAT                 0x0030
  38
  39 struct go7007_usb_board {
  40         unsigned int flags;
  41         struct go7007_board_info main_info;
  42 };
  43
  44 struct go7007_usb {
  45         struct go7007_usb_board *board;
  46         struct semaphore i2c_lock;
  47         struct usb_device *usbdev;
  48         struct urb *video_urbs[8];
  49         struct urb *audio_urbs[8];
  50         struct urb *intr_urb;
  51 };
  52
  53 static unsigned char aud_regs[] = {
  54         0x1e, 0x00,
  55         0x00, 0x17,
  56         0x02, 0x17,
  57         0x04, 0xf9,
  58         0x06, 0xf9,
  59         0x08, 0x02,
  60         0x0a, 0x00,
  61         0x0c, 0x00,
  62         0x0a, 0x00,
  63         0x0c, 0x00,
  64         0x0e, 0x02,
  65         0x10, 0x00,
  66         0x12, 0x01,
  67         0x00, 0x00,
  68 };
  69
  70
  71 static unsigned char vid_regs[] = {
  72         0xF2, 0x0f,
  73         0xAA, 0x00,
  74         0xF8, 0xff,
  75         0x00, 0x00,
  76 };
  77
  78 static u16 vid_regs_fp[] = {
  79         0x028, 0x067,
  80         0x120, 0x016,
  81         0x121, 0xcF2,
  82         0x122, 0x0F2,
  83         0x123, 0x00c,
  84         0x124, 0x2d0,
  85         0x125, 0x2e0,
  86         0x126, 0x004,
  87         0x128, 0x1E0,
  88         0x12A, 0x016,
  89         0x12B, 0x0F2,
  90         0x12C, 0x0F2,
  91         0x12D, 0x00c,
  92         0x12E, 0x2d0,
  93         0x12F, 0x2e0,
  94         0x130, 0x004,
  95         0x132, 0x1E0,
  96         0x140, 0x060,
  97         0x153, 0x00C,
  98         0x154, 0x200,
  99         0x150, 0x801,
 100         0x000, 0x000
 101 };
 102
 103 /* PAL specific values */
 104 static u16 vid_regs_fp_pal[] =
 105 {
 106         0x120, 0x017,
 107         0x121, 0xd22,
 108         0x122, 0x122,
 109         0x12A, 0x017,
 110         0x12B, 0x122,
 111         0x12C, 0x122,
 112         0x140, 0x060,
 113         0x000, 0x000,
 114 };
 115
 116 struct s2250 {
 117         int std;
 118         int input;
 119         int brightness;
 120         int contrast;
 121         int saturation;
 122         int hue;
 123         int reg12b_val;
 124         int audio_input;
 125         struct i2c_client *audio;
 126 };
 127
 128 /* from go7007-usb.c which is Copyright (C) 2005-2006 Micronas USA Inc.*/
 129 static int go7007_usb_vendor_request(struct go7007 *go, u16 request,
 130         u16 value, u16 index, void *transfer_buffer, int length, int in)
 131 {
 132         struct go7007_usb *usb = go->hpi_context;
 133         int timeout = 5000;
 134
 135         if (in) {
 136                 return usb_control_msg(usb->usbdev,
 137                                 usb_rcvctrlpipe(usb->usbdev, 0), request,
 138                                 USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
 139                                 value, index, transfer_buffer, length, timeout);
 140         } else {
 141                 return usb_control_msg(usb->usbdev,
 142                                 usb_sndctrlpipe(usb->usbdev, 0), request,
 143                                 USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 144                                 value, index, transfer_buffer, length, timeout);
 145         }
 146 }
 147 /* end from go7007-usb.c which is Copyright (C) 2005-2006 Micronas USA Inc.*/
 148
 149 static int write_reg(struct i2c_client *client, u8 reg, u8 value)
 150 {
 151         struct go7007 *go = i2c_get_adapdata(client->adapter);
 152         struct go7007_usb *usb;
 153         int rc;
 154         int dev_addr = client->addr;
 155         u8 *buf;
 156
 157         if (go == NULL)
 158                 return -ENODEV;
 159
 160         if (go->status == STATUS_SHUTDOWN)
 161                 return -EBUSY;
 162
 163         buf = kzalloc(16, GFP_KERNEL);
 164         if (buf == NULL)
 165                 return -ENOMEM;
 166
 167         usb = go->hpi_context;
 168         if (down_interruptible(&usb->i2c_lock) != 0) {
 169                 printk(KERN_INFO "i2c lock failed\n");
 170                 kfree(buf);
 171                 return -EINTR;
 172         }
 173         rc = go7007_usb_vendor_request(go, 0x55, dev_addr,
 174                                        (reg<<8 | value),
 175                                        buf,
 176                                        16, 1);
 177
 178         up(&usb->i2c_lock);
 179         kfree(buf);
 180         return rc;
 181 }
 182
 183 static int write_reg_fp(struct i2c_client *client, u16 addr, u16 val)
 184 {
 185         struct go7007 *go = i2c_get_adapdata(client->adapter);
 186         struct go7007_usb *usb;
 187         u8 *buf;
 188         struct s2250 *dec = i2c_get_clientdata(client);
 189
 190         if (go == NULL)
 191                 return -ENODEV;
 192
 193         if (go->status == STATUS_SHUTDOWN)
 194                 return -EBUSY;
 195
 196         buf = kzalloc(16, GFP_KERNEL);
 197
 198         if (buf == NULL)
 199                 return -ENOMEM;
 200
 201
 202
 203         memset(buf, 0xcd, 6);
 204
 205         usb = go->hpi_context;
 206         if (down_interruptible(&usb->i2c_lock) != 0) {
 207                 printk(KERN_INFO "i2c lock failed\n");
 208                 return -EINTR;
 209         }
 210         if (go7007_usb_vendor_request(go, 0x57, addr, val, buf, 16, 1) < 0)
 211                 return -EFAULT;
 212
 213         up(&usb->i2c_lock);
 214         if (buf[0] == 0) {
 215                 unsigned int subaddr, val_read;
 216
 217                 subaddr = (buf[4] << 8) + buf[5];
 218                 val_read = (buf[2] << 8) + buf[3];
 219                 if (val_read != val) {
 220                         printk(KERN_INFO "invalid fp write %x %x\n",
 221                                val_read, val);
 222                         return -EFAULT;
 223                 }
 224                 if (subaddr != addr) {
 225                         printk(KERN_INFO "invalid fp write addr %x %x\n",
 226                                subaddr, addr);
 227                         return -EFAULT;
 228                 }
 229         } else
 230                 return -EFAULT;
 231
 232         /* save last 12b value */
 233         if (addr == 0x12b)
 234                 dec->reg12b_val = val;
 235
 236         return 0;
 237 }
 238
 239 static int write_regs(struct i2c_client *client, u8 *regs)
 240 {
 241         int i;
 242
 243         for (i = 0; !((regs[i] == 0x00) && (regs[i+1] == 0x00)); i += 2) {
 244                 if (write_reg(client, regs[i], regs[i+1]) < 0) {
 245                         printk(KERN_INFO "s2250: failed\n");
 246                         return -1;
 247                 }
 248         }
 249         return 0;
 250 }
 251
 252 static int write_regs_fp(struct i2c_client *client, u16 *regs)
 253 {
 254         int i;
 255
 256         for (i = 0; !((regs[i] == 0x00) && (regs[i+1] == 0x00)); i += 2) {
 257                 if (write_reg_fp(client, regs[i], regs[i+1]) < 0) {
 258                         printk(KERN_INFO "s2250: failed fp\n");
 259                         return -1;
 260                 }
 261         }
 262         return 0;
 263 }
 264
 265
 266 static int s2250_command(struct i2c_client *client,
 267                          unsigned int cmd, void *arg)
 268 {
 269         struct s2250 *dec = i2c_get_clientdata(client);
 270
 271         switch (cmd) {
 272         case VIDIOC_S_INPUT:
 273         {
 274                 int vidsys;
 275                 int *input = arg;
 276
 277                 vidsys = (dec->std == V4L2_STD_NTSC) ? 0x01 : 0x00;
 278                 if (*input == 0) {
 279                         /* composite */
 280                         write_reg_fp(client, 0x20, 0x020 | vidsys);
 281                         write_reg_fp(client, 0x21, 0x662);
 282                         write_reg_fp(client, 0x140, 0x060);
 283                 } else {
 284                         /* S-Video */
 285                         write_reg_fp(client, 0x20, 0x040 | vidsys);
 286                         write_reg_fp(client, 0x21, 0x666);
 287                         write_reg_fp(client, 0x140, 0x060);
 288                 }
 289                 dec->input = *input;
 290                 break;
 291         }
 292         case VIDIOC_S_STD:
 293         {
 294                 v4l2_std_id *std = arg;
 295                 u16 vidsource;
 296
 297                 vidsource = (dec->input == 1) ? 0x040 : 0x020;
 298                 dec->std = *std;
 299                 switch (dec->std) {
 300                 case V4L2_STD_NTSC:
 301                         write_regs_fp(client, vid_regs_fp);
 302                         write_reg_fp(client, 0x20, vidsource | 1);
 303                         break;
 304                 case V4L2_STD_PAL:
 305                         write_regs_fp(client, vid_regs_fp);
 306                         write_regs_fp(client, vid_regs_fp_pal);
 307                         write_reg_fp(client, 0x20, vidsource);
 308                         break;
 309                 default:
 310                         return -EINVAL;
 311                 }
 312                 break;
 313         }
 314         case VIDIOC_QUERYCTRL:
 315         {
 316                 struct v4l2_queryctrl *ctrl = arg;
 317                 static const u32 user_ctrls[] = {
 318                         V4L2_CID_BRIGHTNESS,
 319                         V4L2_CID_CONTRAST,
 320                         V4L2_CID_SATURATION,
 321                         V4L2_CID_HUE,
 322                         0
 323                 };
 324                 static const u32 *ctrl_classes[] = {
 325                         user_ctrls,
 326                         NULL
 327                 };
 328
 329                 ctrl->id = v4l2_ctrl_next(ctrl_classes, ctrl->id);
 330                 switch (ctrl->id) {
 331                 case V4L2_CID_BRIGHTNESS:
 332                         v4l2_ctrl_query_fill(ctrl, 0, 100, 1, 50);
 333                         break;
 334                 case V4L2_CID_CONTRAST:
 335                         v4l2_ctrl_query_fill(ctrl, 0, 100, 1, 50);
 336                         break;
 337                 case V4L2_CID_SATURATION:
 338                         v4l2_ctrl_query_fill(ctrl, 0, 100, 1, 50);
 339                         break;
 340                 case V4L2_CID_HUE:
 341                         v4l2_ctrl_query_fill(ctrl, -50, 50, 1, 0);
 342                         break;
 343                 default:
 344                         ctrl->name[0] = '\0';
 345                         return -EINVAL;
 346                 }
 347                 break;
 348         }
 349         case VIDIOC_S_CTRL:
 350         {
 351                 struct v4l2_control *ctrl = arg;
 352                 int value1;
 353
 354                 switch (ctrl->id) {
 355                 case V4L2_CID_BRIGHTNESS:
 356                         printk(KERN_INFO "s2250: future setting\n");
 357                         return -EINVAL;
 358                 case V4L2_CID_CONTRAST:
 359                         printk(KERN_INFO "s2250: future setting\n");
 360                         return -EINVAL;
 361                         break;
 362                 case V4L2_CID_SATURATION:
 363                         if (ctrl->value > 127)
 364                                 dec->saturation = 127;
 365                         else if (ctrl->value < 0)
 366                                 dec->saturation = 0;
 367                         else
 368                                 dec->saturation = ctrl->value;
 369
 370                         value1 = dec->saturation * 4140 / 100;
 371                         if (value1 > 4094)
 372                                 value1 = 4094;
 373                         write_reg_fp(client, VPX322_ADDR_SAT, value1);
 374                         break;
 375                 case V4L2_CID_HUE:
 376                         if (ctrl->value > 50)
 377                                 dec->hue = 50;
 378                         else if (ctrl->value < -50)
 379                                 dec->hue = -50;
 380                         else
 381                                 dec->hue = ctrl->value;
 382                         /* clamp the hue range */
 383                         value1 = dec->hue * 280 / 50;
 384                         write_reg_fp(client, VPX322_ADDR_HUE, value1);
 385                         break;
 386                 }
 387                 break;
 388         }
 389         case VIDIOC_G_CTRL:
 390         {
 391                 struct v4l2_control *ctrl = arg;
 392
 393                 switch (ctrl->id) {
 394                 case V4L2_CID_BRIGHTNESS:
 395                         ctrl->value = dec->brightness;
 396                         break;
 397                 case V4L2_CID_CONTRAST:
 398                         ctrl->value = dec->contrast;
 399                         break;
 400                 case V4L2_CID_SATURATION:
 401                         ctrl->value = dec->saturation;
 402                         break;
 403                 case V4L2_CID_HUE:
 404                         ctrl->value = dec->hue;
 405                         break;
 406                 }
 407                 break;
 408         }
 409         case VIDIOC_S_FMT:
 410         {
 411                 struct v4l2_format *fmt = arg;
 412                 if (fmt->fmt.pix.height < 640) {
 413                         write_reg_fp(client, 0x12b, dec->reg12b_val | 0x400);
 414                         write_reg_fp(client, 0x140, 0x060);
 415                 } else {
 416                         write_reg_fp(client, 0x12b, dec->reg12b_val & ~0x400);
 417                         write_reg_fp(client, 0x140, 0x060);
 418                 }
 419                 return 0;
 420         }
 421         case VIDIOC_G_AUDIO:
 422         {
 423                 struct v4l2_audio *audio = arg;
 424
 425                 memset(audio, 0, sizeof(*audio));
 426                 audio->index = dec->audio_input;
 427                 /* fall through */
 428         }
 429         case VIDIOC_ENUMAUDIO:
 430         {
 431                 struct v4l2_audio *audio = arg;
 432
 433                 switch (audio->index) {
 434                 case 0:
 435                         strcpy(audio->name, "Line In");
 436                         break;
 437                 case 1:
 438                         strcpy(audio->name, "Mic");
 439                         break;
 440                 case 2:
 441                         strcpy(audio->name, "Mic Boost");
 442                         break;
 443                 default:
 444                         audio->name[0] = '\0';
 445                         return 0;
 446                 }
 447                 audio->capability = V4L2_AUDCAP_STEREO;
 448                 audio->mode = 0;
 449                 return 0;
 450         }
 451         case VIDIOC_S_AUDIO:
 452         {
 453                 struct v4l2_audio *audio = arg;
 454
 455                 switch (audio->index) {
 456                 case 0:
 457                         write_reg(dec->audio, 0x08, 0x02); /* Line In */
 458                         break;
 459                 case 1:
 460                         write_reg(dec->audio, 0x08, 0x04); /* Mic */
 461                         break;
 462                 case 2:
 463                         write_reg(dec->audio, 0x08, 0x05); /* Mic Boost */
 464                         break;
 465                 default:
 466                         return -EINVAL;
 467                 }
 468                 dec->audio_input = audio->index;
 469                 return 0;
 470         }
 471
 472         default:
 473                 printk(KERN_INFO "s2250: unknown command 0x%x\n", cmd);
 474                 break;
 475         }
 476         return 0;
 477 }
 478
 479 static int s2250_probe(struct i2c_client *client,
 480                        const struct i2c_device_id *id)
 481 {
 482         struct i2c_client *audio;
 483         struct i2c_adapter *adapter = client->adapter;
 484         struct s2250 *dec;
 485         u8 *data;
 486         struct go7007 *go = i2c_get_adapdata(adapter);
 487         struct go7007_usb *usb = go->hpi_context;
 488
 489         audio = i2c_new_dummy(adapter, TLV320_ADDRESS >> 1);
 490         if (audio == NULL)
 491                 return -ENOMEM;
 492
 493         dec = kmalloc(sizeof(struct s2250), GFP_KERNEL);
 494         if (dec == NULL) {
 495                 i2c_unregister_device(audio);
 496                 return -ENOMEM;
 497         }
 498
 499         dec->std = V4L2_STD_NTSC;
 500         dec->brightness = 50;
 501         dec->contrast = 50;
 502         dec->saturation = 50;
 503         dec->hue = 0;
 504         dec->audio = audio;
 505         i2c_set_clientdata(client, dec);
 506
 507         printk(KERN_DEBUG
 508                "s2250: initializing video decoder on %s\n",
 509                adapter->name);
 510
 511         /* initialize the audio */
 512         if (write_regs(audio, aud_regs) < 0) {
 513                 printk(KERN_ERR
 514                        "s2250: error initializing audio\n");
 515                 i2c_unregister_device(audio);
 516                 kfree(dec);
 517                 return 0;
 518         }
 519
 520         if (write_regs(client, vid_regs) < 0) {
 521                 printk(KERN_ERR
 522                        "s2250: error initializing decoder\n");
 523                 i2c_unregister_device(audio);
 524                 kfree(dec);
 525                 return 0;
 526         }
 527         if (write_regs_fp(client, vid_regs_fp) < 0) {
 528                 printk(KERN_ERR
 529                        "s2250: error initializing decoder\n");
 530                 i2c_unregister_device(audio);
 531                 kfree(dec);
 532                 return 0;
 533         }
 534         /* set default channel */
 535         /* composite */
 536         write_reg_fp(client, 0x20, 0x020 | 1);
 537         write_reg_fp(client, 0x21, 0x662);
 538         write_reg_fp(client, 0x140, 0x060);
 539
 540         /* set default audio input */
 541         dec->audio_input = 0;
 542         write_reg(client, 0x08, 0x02); /* Line In */
 543
 544         if (down_interruptible(&usb->i2c_lock) == 0) {
 545                 data = kzalloc(16, GFP_KERNEL);
 546                 if (data != NULL) {
 547                         int rc;
 548                         rc = go7007_usb_vendor_request(go, 0x41, 0, 0,
 549                                                        data, 16, 1);
 550                         if (rc > 0) {
 551                                 u8 mask;
 552                                 data[0] = 0;
 553                                 mask = 1<<5;
 554                                 data[0] &= ~mask;
 555                                 data[1] |= mask;
 556                                 go7007_usb_vendor_request(go, 0x40, 0,
 557                                                           (data[1]<<8)
 558                                                           + data[1],
 559                                                           data, 16, 0);
 560                         }
 561                         kfree(data);
 562                 }
 563                 up(&usb->i2c_lock);
 564         }
 565
 566         printk("s2250: initialized successfully\n");
 567         return 0;
 568 }
 569
 570 static int s2250_remove(struct i2c_client *client)
 571 {
 572         struct s2250 *dec = i2c_get_clientdata(client);
 573
 574         i2c_set_clientdata(client, NULL);
 575         i2c_unregister_device(dec->audio);
 576         kfree(dec);
 577         return 0;
 578 }
 579
 580 static struct i2c_device_id s2250_id[] = {
 581         { "s2250_board", 0 },
 582         { }
 583 };
 584
 585 static struct i2c_driver s2250_driver = {
 586         .driver = {
 587                 .name   = "Sensoray 2250 board driver",
 588         },
 589         .probe          = s2250_probe,
 590         .remove         = s2250_remove,
 591         .command        = s2250_command,
 592         .id_table       = s2250_id,
 593 };
 594
 595 static int __init s2250_init(void)
 596 {
 597         int r;
 598
 599         r = s2250loader_init();
 600         if (r < 0)
 601                 return r;
 602
 603         r = i2c_add_driver(&s2250_driver);
 604         if (r < 0)
 605                 s2250loader_cleanup();
 606
 607         return r;
 608 }
 609
 610 static void __exit s2250_cleanup(void)
 611 {
 612         i2c_del_driver(&s2250_driver);
 613
 614         s2250loader_cleanup();
 615 }
 616
 617 module_init(s2250_init);
 618 module_exit(s2250_cleanup);
 619
 620 MODULE_AUTHOR("");
 621 MODULE_DESCRIPTION("Board driver for Sensoryray 2250");
 622 MODULE_LICENSE("GPL v2");