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 = go->hpi_context;
 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         if (down_interruptible(&usb->i2c_lock) != 0) {
 168                 printk(KERN_INFO "i2c lock failed\n");
 169                 return -EINTR;
 170         }
 171         rc = go7007_usb_vendor_request(go, 0x55, dev_addr,
 172                                        (reg<<8 | value),
 173                                        buf,
 174                                        16, 1);
 175
 176         up(&usb->i2c_lock);
 177         kfree(buf);
 178         return rc;
 179 }
 180
 181 static int write_reg_fp(struct i2c_client *client, u16 addr, u16 val)
 182 {
 183         struct go7007 *go = i2c_get_adapdata(client->adapter);
 184         struct go7007_usb *usb = go->hpi_context;
 185         u8 *buf;
 186         struct s2250 *dec = i2c_get_clientdata(client);
 187
 188         if (go == NULL)
 189                 return -ENODEV;
 190
 191         if (go->status == STATUS_SHUTDOWN)
 192                 return -EBUSY;
 193
 194         buf = kzalloc(16, GFP_KERNEL);
 195
 196         if (buf == NULL)
 197                 return -ENOMEM;
 198
 199
 200
 201         memset(buf, 0xcd, 6);
 202
 203         if (down_interruptible(&usb->i2c_lock) != 0) {
 204                 printk(KERN_INFO "i2c lock failed\n");
 205                 return -EINTR;
 206         }
 207         if (go7007_usb_vendor_request(go, 0x57, addr, val, buf, 16, 1) < 0)
 208                 return -EFAULT;
 209
 210         up(&usb->i2c_lock);
 211         if (buf[0] == 0) {
 212                 unsigned int subaddr, val_read;
 213
 214                 subaddr = (buf[4] << 8) + buf[5];
 215                 val_read = (buf[2] << 8) + buf[3];
 216                 if (val_read != val) {
 217                         printk(KERN_INFO "invalid fp write %x %x\n",
 218                                val_read, val);
 219                         return -EFAULT;
 220                 }
 221                 if (subaddr != addr) {
 222                         printk(KERN_INFO "invalid fp write addr %x %x\n",
 223                                subaddr, addr);
 224                         return -EFAULT;
 225                 }
 226         } else
 227                 return -EFAULT;
 228
 229         /* save last 12b value */
 230         if (addr == 0x12b)
 231                 dec->reg12b_val = val;
 232
 233         return 0;
 234 }
 235
 236 static int write_regs(struct i2c_client *client, u8 *regs)
 237 {
 238         int i;
 239
 240         for (i = 0; !((regs[i] == 0x00) && (regs[i+1] == 0x00)); i += 2) {
 241                 if (write_reg(client, regs[i], regs[i+1]) < 0) {
 242                         printk(KERN_INFO "s2250: failed\n");
 243                         return -1;
 244                 }
 245         }
 246         return 0;
 247 }
 248
 249 static int write_regs_fp(struct i2c_client *client, u16 *regs)
 250 {
 251         int i;
 252
 253         for (i = 0; !((regs[i] == 0x00) && (regs[i+1] == 0x00)); i += 2) {
 254                 if (write_reg_fp(client, regs[i], regs[i+1]) < 0) {
 255                         printk(KERN_INFO "s2250: failed fp\n");
 256                         return -1;
 257                 }
 258         }
 259         return 0;
 260 }
 261
 262
 263 static int s2250_command(struct i2c_client *client,
 264                          unsigned int cmd, void *arg)
 265 {
 266         struct s2250 *dec = i2c_get_clientdata(client);
 267
 268         switch (cmd) {
 269         case VIDIOC_S_INPUT:
 270         {
 271                 int vidsys;
 272                 int *input = arg;
 273
 274                 vidsys = (dec->std == V4L2_STD_NTSC) ? 0x01 : 0x00;
 275                 if (*input == 0) {
 276                         /* composite */
 277                         write_reg_fp(client, 0x20, 0x020 | vidsys);
 278                         write_reg_fp(client, 0x21, 0x662);
 279                         write_reg_fp(client, 0x140, 0x060);
 280                 } else {
 281                         /* S-Video */
 282                         write_reg_fp(client, 0x20, 0x040 | vidsys);
 283                         write_reg_fp(client, 0x21, 0x666);
 284                         write_reg_fp(client, 0x140, 0x060);
 285                 }
 286                 dec->input = *input;
 287                 break;
 288         }
 289         case VIDIOC_S_STD:
 290         {
 291                 v4l2_std_id *std = arg;
 292                 u16 vidsource;
 293
 294                 vidsource = (dec->input == 1) ? 0x040 : 0x020;
 295                 dec->std = *std;
 296                 switch (dec->std) {
 297                 case V4L2_STD_NTSC:
 298                         write_regs_fp(client, vid_regs_fp);
 299                         write_reg_fp(client, 0x20, vidsource | 1);
 300                         break;
 301                 case V4L2_STD_PAL:
 302                         write_regs_fp(client, vid_regs_fp);
 303                         write_regs_fp(client, vid_regs_fp_pal);
 304                         write_reg_fp(client, 0x20, vidsource);
 305                         break;
 306                 default:
 307                         return -EINVAL;
 308                 }
 309                 break;
 310         }
 311         case VIDIOC_QUERYCTRL:
 312         {
 313                 struct v4l2_queryctrl *ctrl = arg;
 314                 static const u32 user_ctrls[] = {
 315                         V4L2_CID_BRIGHTNESS,
 316                         V4L2_CID_CONTRAST,
 317                         V4L2_CID_SATURATION,
 318                         V4L2_CID_HUE,
 319                         0
 320                 };
 321                 static const u32 *ctrl_classes[] = {
 322                         user_ctrls,
 323                         NULL
 324                 };
 325
 326                 ctrl->id = v4l2_ctrl_next(ctrl_classes, ctrl->id);
 327                 switch (ctrl->id) {
 328                 case V4L2_CID_BRIGHTNESS:
 329                         v4l2_ctrl_query_fill(ctrl, 0, 100, 1, 50);
 330                         break;
 331                 case V4L2_CID_CONTRAST:
 332                         v4l2_ctrl_query_fill(ctrl, 0, 100, 1, 50);
 333                         break;
 334                 case V4L2_CID_SATURATION:
 335                         v4l2_ctrl_query_fill(ctrl, 0, 100, 1, 50);
 336                         break;
 337                 case V4L2_CID_HUE:
 338                         v4l2_ctrl_query_fill(ctrl, -50, 50, 1, 0);
 339                         break;
 340                 default:
 341                         ctrl->name[0] = '\0';
 342                         return -EINVAL;
 343                 }
 344                 break;
 345         }
 346         case VIDIOC_S_CTRL:
 347         {
 348                 struct v4l2_control *ctrl = arg;
 349                 int value1;
 350
 351                 switch (ctrl->id) {
 352                 case V4L2_CID_BRIGHTNESS:
 353                         printk(KERN_INFO "s2250: future setting\n");
 354                         return -EINVAL;
 355                 case V4L2_CID_CONTRAST:
 356                         printk(KERN_INFO "s2250: future setting\n");
 357                         return -EINVAL;
 358                         break;
 359                 case V4L2_CID_SATURATION:
 360                         if (ctrl->value > 127)
 361                                 dec->saturation = 127;
 362                         else if (ctrl->value < 0)
 363                                 dec->saturation = 0;
 364                         else
 365                                 dec->saturation = ctrl->value;
 366
 367                         value1 = dec->saturation * 4140 / 100;
 368                         if (value1 > 4094)
 369                                 value1 = 4094;
 370                         write_reg_fp(client, VPX322_ADDR_SAT, value1);
 371                         break;
 372                 case V4L2_CID_HUE:
 373                         if (ctrl->value > 50)
 374                                 dec->hue = 50;
 375                         else if (ctrl->value < -50)
 376                                 dec->hue = -50;
 377                         else
 378                                 dec->hue = ctrl->value;
 379                         /* clamp the hue range */
 380                         value1 = dec->hue * 280 / 50;
 381                         write_reg_fp(client, VPX322_ADDR_HUE, value1);
 382                         break;
 383                 }
 384                 break;
 385         }
 386         case VIDIOC_G_CTRL:
 387         {
 388                 struct v4l2_control *ctrl = arg;
 389
 390                 switch (ctrl->id) {
 391                 case V4L2_CID_BRIGHTNESS:
 392                         ctrl->value = dec->brightness;
 393                         break;
 394                 case V4L2_CID_CONTRAST:
 395                         ctrl->value = dec->contrast;
 396                         break;
 397                 case V4L2_CID_SATURATION:
 398                         ctrl->value = dec->saturation;
 399                         break;
 400                 case V4L2_CID_HUE:
 401                         ctrl->value = dec->hue;
 402                         break;
 403                 }
 404                 break;
 405         }
 406         case VIDIOC_S_FMT:
 407         {
 408                 struct v4l2_format *fmt = arg;
 409                 if (fmt->fmt.pix.height < 640) {
 410                         write_reg_fp(client, 0x12b, dec->reg12b_val | 0x400);
 411                         write_reg_fp(client, 0x140, 0x060);
 412                 } else {
 413                         write_reg_fp(client, 0x12b, dec->reg12b_val & ~0x400);
 414                         write_reg_fp(client, 0x140, 0x060);
 415                 }
 416                 return 0;
 417         }
 418         case VIDIOC_G_AUDIO:
 419         {
 420                 struct v4l2_audio *audio = arg;
 421
 422                 memset(audio, 0, sizeof(*audio));
 423                 audio->index = dec->audio_input;
 424                 /* fall through */
 425         }
 426         case VIDIOC_ENUMAUDIO:
 427         {
 428                 struct v4l2_audio *audio = arg;
 429
 430                 switch (audio->index) {
 431                 case 0:
 432                         strcpy(audio->name, "Line In");
 433                         break;
 434                 case 1:
 435                         strcpy(audio->name, "Mic");
 436                         break;
 437                 case 2:
 438                         strcpy(audio->name, "Mic Boost");
 439                         break;
 440                 default:
 441                         audio->name[0] = '\0';
 442                         return 0;
 443                 }
 444                 audio->capability = V4L2_AUDCAP_STEREO;
 445                 audio->mode = 0;
 446                 return 0;
 447         }
 448         case VIDIOC_S_AUDIO:
 449         {
 450                 struct v4l2_audio *audio = arg;
 451
 452                 client->addr = TLV320_ADDRESS;
 453                 switch (audio->index) {
 454                 case 0:
 455                         write_reg(client, 0x08, 0x02); /* Line In */
 456                         break;
 457                 case 1:
 458                         write_reg(client, 0x08, 0x04); /* Mic */
 459                         break;
 460                 case 2:
 461                         write_reg(client, 0x08, 0x05); /* Mic Boost */
 462                         break;
 463                 default:
 464                         return -EINVAL;
 465                 }
 466                 dec->audio_input = audio->index;
 467                 return 0;
 468         }
 469
 470         default:
 471                 printk(KERN_INFO "s2250: unknown command 0x%x\n", cmd);
 472                 break;
 473         }
 474         return 0;
 475 }
 476
 477 static struct i2c_driver s2250_driver;
 478
 479 static struct i2c_client s2250_client_templ = {
 480         .name           = "Sensoray 2250",
 481         .driver         = &s2250_driver,
 482 };
 483
 484 static int s2250_detect(struct i2c_adapter *adapter, int addr, int kind)
 485 {
 486         struct i2c_client *client;
 487         struct s2250 *dec;
 488         u8 *data;
 489         struct go7007 *go = i2c_get_adapdata(adapter);
 490         struct go7007_usb *usb = go->hpi_context;
 491
 492         client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
 493         if (client == NULL)
 494                 return -ENOMEM;
 495         memcpy(client, &s2250_client_templ,
 496                sizeof(s2250_client_templ));
 497         client->adapter = adapter;
 498
 499         dec = kmalloc(sizeof(struct s2250), GFP_KERNEL);
 500         if (dec == NULL) {
 501                 kfree(client);
 502                 return -ENOMEM;
 503         }
 504
 505         dec->std = V4L2_STD_NTSC;
 506         dec->brightness = 50;
 507         dec->contrast = 50;
 508         dec->saturation = 50;
 509         dec->hue = 0;
 510         client->addr = TLV320_ADDRESS;
 511         i2c_set_clientdata(client, dec);
 512
 513         printk(KERN_DEBUG
 514                "s2250: initializing video decoder on %s\n",
 515                adapter->name);
 516
 517         /* initialize the audio */
 518         client->addr = TLV320_ADDRESS;
 519         if (write_regs(client, aud_regs) < 0) {
 520                 printk(KERN_ERR
 521                        "s2250: error initializing audio\n");
 522                 kfree(client);
 523                 kfree(dec);
 524                 return 0;
 525         }
 526         client->addr = S2250_VIDDEC;
 527         i2c_set_clientdata(client, dec);
 528
 529         if (write_regs(client, vid_regs) < 0) {
 530                 printk(KERN_ERR
 531                        "s2250: error initializing decoder\n");
 532                 kfree(client);
 533                 kfree(dec);
 534                 return 0;
 535         }
 536         if (write_regs_fp(client, vid_regs_fp) < 0) {
 537                 printk(KERN_ERR
 538                        "s2250: error initializing decoder\n");
 539                 kfree(client);
 540                 kfree(dec);
 541                 return 0;
 542         }
 543         /* set default channel */
 544         /* composite */
 545         write_reg_fp(client, 0x20, 0x020 | 1);
 546         write_reg_fp(client, 0x21, 0x662);
 547         write_reg_fp(client, 0x140, 0x060);
 548
 549         /* set default audio input */
 550         dec->audio_input = 0;
 551         write_reg(client, 0x08, 0x02); /* Line In */
 552
 553         if (down_interruptible(&usb->i2c_lock) == 0) {
 554                 data = kzalloc(16, GFP_KERNEL);
 555                 if (data != NULL) {
 556                         int rc;
 557                         rc = go7007_usb_vendor_request(go, 0x41, 0, 0,
 558                                                        data, 16, 1);
 559                         if (rc > 0) {
 560                                 u8 mask;
 561                                 data[0] = 0;
 562                                 mask = 1<<5;
 563                                 data[0] &= ~mask;
 564                                 data[1] |= mask;
 565                                 go7007_usb_vendor_request(go, 0x40, 0,
 566                                                           (data[1]<<8)
 567                                                           + data[1],
 568                                                           data, 16, 0);
 569                         }
 570                         kfree(data);
 571                 }
 572                 up(&usb->i2c_lock);
 573         }
 574
 575         i2c_attach_client(client);
 576         printk("s2250: initialized successfully\n");
 577         return 0;
 578 }
 579
 580 static int s2250_detach(struct i2c_client *client)
 581 {
 582         struct s2250 *dec = i2c_get_clientdata(client);
 583         int r;
 584
 585         r = i2c_detach_client(client);
 586         if (r < 0)
 587                 return r;
 588
 589         kfree(client);
 590         kfree(dec);
 591         return 0;
 592 }
 593
 594 static struct i2c_driver s2250_driver = {
 595         .driver = {
 596                 .name   = "Sensoray 2250 board driver",
 597         },
 598         .id             = I2C_DRIVERID_S2250,
 599         .detach_client  = s2250_detach,
 600         .command        = s2250_command,
 601 };
 602
 603 static int __init s2250_init(void)
 604 {
 605         int r;
 606
 607         r = s2250loader_init();
 608         if (r < 0)
 609                 return r;
 610
 611         r = i2c_add_driver(&s2250_driver);
 612         if (r < 0)
 613                 return r;
 614         return wis_i2c_add_driver(s2250_driver.id, s2250_detect);
 615 }
 616
 617 static void __exit s2250_cleanup(void)
 618 {
 619         wis_i2c_del_driver(s2250_detect);
 620         i2c_del_driver(&s2250_driver);
 621
 622         s2250loader_cleanup();
 623 }
 624
 625 module_init(s2250_init);
 626 module_exit(s2250_cleanup);
 627
 628 MODULE_AUTHOR("");
 629 MODULE_DESCRIPTION("Board driver for Sensoryray 2250");
 630 MODULE_LICENSE("GPL v2");