git.oblomov.eu Git - 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 S2250_VIDDEC        0x86
  32 #define VPX322_ADDR_ANALOGCONTROL1      0x02
  33 #define VPX322_ADDR_BRIGHTNESS0         0x0127
  34 #define VPX322_ADDR_BRIGHTNESS1         0x0131
  35 #define VPX322_ADDR_CONTRAST0           0x0128
  36 #define VPX322_ADDR_CONTRAST1           0x0132
  37 #define VPX322_ADDR_HUE                 0x00dc
  38 #define VPX322_ADDR_SAT                 0x0030
  39
  40 struct go7007_usb_board {
  41         unsigned int flags;
  42         struct go7007_board_info main_info;
  43 };
  44
  45 struct go7007_usb {
  46         struct go7007_usb_board *board;
  47         struct semaphore i2c_lock;
  48         struct usb_device *usbdev;
  49         struct urb *video_urbs[8];
  50         struct urb *audio_urbs[8];
  51         struct urb *intr_urb;
  52 };
  53
  54 static unsigned char aud_regs[] = {
  55         0x1e, 0x00,
  56         0x00, 0x17,
  57         0x02, 0x17,
  58         0x04, 0xf9,
  59         0x06, 0xf9,
  60         0x08, 0x02,
  61         0x0a, 0x00,
  62         0x0c, 0x00,
  63         0x0a, 0x00,
  64         0x0c, 0x00,
  65         0x0e, 0x02,
  66         0x10, 0x00,
  67         0x12, 0x01,
  68         0x00, 0x00,
  69 };
  70
  71
  72 static unsigned char vid_regs[] = {
  73         0xF2, 0x0f,
  74         0xAA, 0x00,
  75         0xF8, 0xff,
  76         0x00, 0x00,
  77 };
  78
  79 static u16 vid_regs_fp[] = {
  80         0x028, 0x067,
  81         0x120, 0x016,
  82         0x121, 0xcF2,
  83         0x122, 0x0F2,
  84         0x123, 0x00c,
  85         0x124, 0x2d0,
  86         0x125, 0x2e0,
  87         0x126, 0x004,
  88         0x128, 0x1E0,
  89         0x12A, 0x016,
  90         0x12B, 0x0F2,
  91         0x12C, 0x0F2,
  92         0x12D, 0x00c,
  93         0x12E, 0x2d0,
  94         0x12F, 0x2e0,
  95         0x130, 0x004,
  96         0x132, 0x1E0,
  97         0x140, 0x060,
  98         0x153, 0x00C,
  99         0x154, 0x200,
 100         0x150, 0x801,
 101         0x000, 0x000
 102 };
 103
 104 /* PAL specific values */
 105 static u16 vid_regs_fp_pal[] =
 106 {
 107         0x120, 0x017,
 108         0x121, 0xd22,
 109         0x122, 0x122,
 110         0x12A, 0x017,
 111         0x12B, 0x122,
 112         0x12C, 0x122,
 113         0x140, 0x060,
 114         0x000, 0x000,
 115 };
 116
 117 struct s2250 {
 118         int std;
 119         int input;
 120         int brightness;
 121         int contrast;
 122         int saturation;
 123         int hue;
 124         int reg12b_val;
 125         int audio_input;
 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                 client->addr = TLV320_ADDRESS;
 456                 switch (audio->index) {
 457                 case 0:
 458                         write_reg(client, 0x08, 0x02); /* Line In */
 459                         break;
 460                 case 1:
 461                         write_reg(client, 0x08, 0x04); /* Mic */
 462                         break;
 463                 case 2:
 464                         write_reg(client, 0x08, 0x05); /* Mic Boost */
 465                         break;
 466                 default:
 467                         return -EINVAL;
 468                 }
 469                 dec->audio_input = audio->index;
 470                 return 0;
 471         }
 472
 473         default:
 474                 printk(KERN_INFO "s2250: unknown command 0x%x\n", cmd);
 475                 break;
 476         }
 477         return 0;
 478 }
 479
 480 static struct i2c_driver s2250_driver;
 481
 482 static struct i2c_client s2250_client_templ = {
 483         .name           = "Sensoray 2250",
 484         .driver         = &s2250_driver,
 485 };
 486
 487 static int s2250_detect(struct i2c_adapter *adapter, int addr, int kind)
 488 {
 489         struct i2c_client *client;
 490         struct s2250 *dec;
 491         u8 *data;
 492         struct go7007 *go = i2c_get_adapdata(adapter);
 493         struct go7007_usb *usb = go->hpi_context;
 494
 495         client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
 496         if (client == NULL)
 497                 return -ENOMEM;
 498         memcpy(client, &s2250_client_templ,
 499                sizeof(s2250_client_templ));
 500         client->adapter = adapter;
 501
 502         dec = kmalloc(sizeof(struct s2250), GFP_KERNEL);
 503         if (dec == NULL) {
 504                 kfree(client);
 505                 return -ENOMEM;
 506         }
 507
 508         dec->std = V4L2_STD_NTSC;
 509         dec->brightness = 50;
 510         dec->contrast = 50;
 511         dec->saturation = 50;
 512         dec->hue = 0;
 513         client->addr = TLV320_ADDRESS;
 514         i2c_set_clientdata(client, dec);
 515
 516         printk(KERN_DEBUG
 517                "s2250: initializing video decoder on %s\n",
 518                adapter->name);
 519
 520         /* initialize the audio */
 521         client->addr = TLV320_ADDRESS;
 522         if (write_regs(client, aud_regs) < 0) {
 523                 printk(KERN_ERR
 524                        "s2250: error initializing audio\n");
 525                 kfree(client);
 526                 kfree(dec);
 527                 return 0;
 528         }
 529         client->addr = S2250_VIDDEC;
 530         i2c_set_clientdata(client, dec);
 531
 532         if (write_regs(client, vid_regs) < 0) {
 533                 printk(KERN_ERR
 534                        "s2250: error initializing decoder\n");
 535                 kfree(client);
 536                 kfree(dec);
 537                 return 0;
 538         }
 539         if (write_regs_fp(client, vid_regs_fp) < 0) {
 540                 printk(KERN_ERR
 541                        "s2250: error initializing decoder\n");
 542                 kfree(client);
 543                 kfree(dec);
 544                 return 0;
 545         }
 546         /* set default channel */
 547         /* composite */
 548         write_reg_fp(client, 0x20, 0x020 | 1);
 549         write_reg_fp(client, 0x21, 0x662);
 550         write_reg_fp(client, 0x140, 0x060);
 551
 552         /* set default audio input */
 553         dec->audio_input = 0;
 554         write_reg(client, 0x08, 0x02); /* Line In */
 555
 556         if (down_interruptible(&usb->i2c_lock) == 0) {
 557                 data = kzalloc(16, GFP_KERNEL);
 558                 if (data != NULL) {
 559                         int rc;
 560                         rc = go7007_usb_vendor_request(go, 0x41, 0, 0,
 561                                                        data, 16, 1);
 562                         if (rc > 0) {
 563                                 u8 mask;
 564                                 data[0] = 0;
 565                                 mask = 1<<5;
 566                                 data[0] &= ~mask;
 567                                 data[1] |= mask;
 568                                 go7007_usb_vendor_request(go, 0x40, 0,
 569                                                           (data[1]<<8)
 570                                                           + data[1],
 571                                                           data, 16, 0);
 572                         }
 573                         kfree(data);
 574                 }
 575                 up(&usb->i2c_lock);
 576         }
 577
 578         i2c_attach_client(client);
 579         printk("s2250: initialized successfully\n");
 580         return 0;
 581 }
 582
 583 static int s2250_detach(struct i2c_client *client)
 584 {
 585         struct s2250 *dec = i2c_get_clientdata(client);
 586         int r;
 587
 588         r = i2c_detach_client(client);
 589         if (r < 0)
 590                 return r;
 591
 592         kfree(client);
 593         kfree(dec);
 594         return 0;
 595 }
 596
 597 static struct i2c_driver s2250_driver = {
 598         .driver = {
 599                 .name   = "Sensoray 2250 board driver",
 600         },
 601         .id             = I2C_DRIVERID_S2250,
 602         .detach_client  = s2250_detach,
 603         .command        = s2250_command,
 604 };
 605
 606 static int __init s2250_init(void)
 607 {
 608         int r;
 609
 610         r = s2250loader_init();
 611         if (r < 0)
 612                 return r;
 613
 614         r = i2c_add_driver(&s2250_driver);
 615         if (r < 0)
 616                 return r;
 617         return wis_i2c_add_driver(s2250_driver.id, s2250_detect);
 618 }
 619
 620 static void __exit s2250_cleanup(void)
 621 {
 622         wis_i2c_del_driver(s2250_detect);
 623         i2c_del_driver(&s2250_driver);
 624
 625         s2250loader_cleanup();
 626 }
 627
 628 module_init(s2250_init);
 629 module_exit(s2250_cleanup);
 630
 631 MODULE_AUTHOR("");
 632 MODULE_DESCRIPTION("Board driver for Sensoryray 2250");
 633 MODULE_LICENSE("GPL v2");