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 <linux/slab.h> 24#include <media/v4l2-device.h> 25#include <media/v4l2-common.h> 26#include <media/v4l2-i2c-drv.h> 27#include <media/v4l2-subdev.h> 28#include "go7007-priv.h" 29 30MODULE_DESCRIPTION("Sensoray 2250/2251 i2c v4l2 subdev driver"); 31MODULE_LICENSE("GPL v2"); 32 33#define TLV320_ADDRESS 0x34 34#define VPX322_ADDR_ANALOGCONTROL1 0x02 35#define VPX322_ADDR_BRIGHTNESS0 0x0127 36#define VPX322_ADDR_BRIGHTNESS1 0x0131 37#define VPX322_ADDR_CONTRAST0 0x0128 38#define VPX322_ADDR_CONTRAST1 0x0132 39#define VPX322_ADDR_HUE 0x00dc 40#define VPX322_ADDR_SAT 0x0030 41 42struct go7007_usb_board { 43 unsigned int flags; 44 struct go7007_board_info main_info; 45}; 46 47struct go7007_usb { 48 struct go7007_usb_board *board; 49 struct mutex i2c_lock; 50 struct usb_device *usbdev; 51 struct urb *video_urbs[8]; 52 struct urb *audio_urbs[8]; 53 struct urb *intr_urb; 54}; 55 56static unsigned char aud_regs[] = { 57 0x1e, 0x00, 58 0x00, 0x17, 59 0x02, 0x17, 60 0x04, 0xf9, 61 0x06, 0xf9, 62 0x08, 0x02, 63 0x0a, 0x00, 64 0x0c, 0x00, 65 0x0a, 0x00, 66 0x0c, 0x00, 67 0x0e, 0x02, 68 0x10, 0x00, 69 0x12, 0x01, 70 0x00, 0x00, 71}; 72 73 74static unsigned char vid_regs[] = { 75 0xF2, 0x0f, 76 0xAA, 0x00, 77 0xF8, 0xff, 78 0x00, 0x00, 79}; 80 81static u16 vid_regs_fp[] = { 82 0x028, 0x067, 83 0x120, 0x016, 84 0x121, 0xcF2, 85 0x122, 0x0F2, 86 0x123, 0x00c, 87 0x124, 0x2d0, 88 0x125, 0x2e0, 89 0x126, 0x004, 90 0x128, 0x1E0, 91 0x12A, 0x016, 92 0x12B, 0x0F2, 93 0x12C, 0x0F2, 94 0x12D, 0x00c, 95 0x12E, 0x2d0, 96 0x12F, 0x2e0, 97 0x130, 0x004, 98 0x132, 0x1E0, 99 0x140, 0x060, 100 0x153, 0x00C, 101 0x154, 0x200, 102 0x150, 0x801, 103 0x000, 0x000 104}; 105 106/* PAL specific values */ 107static u16 vid_regs_fp_pal[] = 108{ 109 0x120, 0x017, 110 0x121, 0xd22, 111 0x122, 0x122, 112 0x12A, 0x017, 113 0x12B, 0x122, 114 0x12C, 0x122, 115 0x140, 0x060, 116 0x000, 0x000, 117}; 118 119struct s2250 { 120 struct v4l2_subdev sd; 121 v4l2_std_id std; 122 int input; 123 int brightness; 124 int contrast; 125 int saturation; 126 int hue; 127 int reg12b_val; 128 int audio_input; 129 struct i2c_client *audio; 130}; 131 132static inline struct s2250 *to_state(struct v4l2_subdev *sd) 133{ 134 return container_of(sd, struct s2250, sd); 135} 136 137/* from go7007-usb.c which is Copyright (C) 2005-2006 Micronas USA Inc.*/ 138static int go7007_usb_vendor_request(struct go7007 *go, u16 request, 139 u16 value, u16 index, void *transfer_buffer, int length, int in) 140{ 141 struct go7007_usb *usb = go->hpi_context; 142 int timeout = 5000; 143 144 if (in) { 145 return usb_control_msg(usb->usbdev, 146 usb_rcvctrlpipe(usb->usbdev, 0), request, 147 USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN, 148 value, index, transfer_buffer, length, timeout); 149 } else { 150 return usb_control_msg(usb->usbdev, 151 usb_sndctrlpipe(usb->usbdev, 0), request, 152 USB_TYPE_VENDOR | USB_RECIP_DEVICE, 153 value, index, transfer_buffer, length, timeout); 154 } 155} 156/* end from go7007-usb.c which is Copyright (C) 2005-2006 Micronas USA Inc.*/ 157 158static int write_reg(struct i2c_client *client, u8 reg, u8 value) 159{ 160 struct go7007 *go = i2c_get_adapdata(client->adapter); 161 struct go7007_usb *usb; 162 int rc; 163 int dev_addr = client->addr << 1; /* firmware wants 8-bit address */ 164 u8 *buf; 165 166 if (go == NULL) 167 return -ENODEV; 168 169 if (go->status == STATUS_SHUTDOWN) 170 return -EBUSY; 171 172 buf = kzalloc(16, GFP_KERNEL); 173 if (buf == NULL) 174 return -ENOMEM; 175 176 usb = go->hpi_context; 177 if (mutex_lock_interruptible(&usb->i2c_lock) != 0) { 178 printk(KERN_INFO "i2c lock failed\n"); 179 kfree(buf); 180 return -EINTR; 181 } 182 rc = go7007_usb_vendor_request(go, 0x55, dev_addr, 183 (reg<<8 | value), 184 buf, 185 16, 1); 186 187 mutex_unlock(&usb->i2c_lock); 188 kfree(buf); 189 return rc; 190} 191 192static int write_reg_fp(struct i2c_client *client, u16 addr, u16 val) 193{ 194 struct go7007 *go = i2c_get_adapdata(client->adapter); 195 struct go7007_usb *usb; 196 u8 *buf; 197 struct s2250 *dec = i2c_get_clientdata(client); 198 199 if (go == NULL) 200 return -ENODEV; 201 202 if (go->status == STATUS_SHUTDOWN) 203 return -EBUSY; 204 205 buf = kzalloc(16, GFP_KERNEL); 206 207 if (buf == NULL) 208 return -ENOMEM; 209 210 211 212 memset(buf, 0xcd, 6); 213 214 usb = go->hpi_context; 215 if (mutex_lock_interruptible(&usb->i2c_lock) != 0) { 216 printk(KERN_INFO "i2c lock failed\n"); 217 kfree(buf); 218 return -EINTR; 219 } 220 if (go7007_usb_vendor_request(go, 0x57, addr, val, buf, 16, 1) < 0) { 221 kfree(buf); 222 return -EFAULT; 223 } 224 225 mutex_unlock(&usb->i2c_lock); 226 if (buf[0] == 0) { 227 unsigned int subaddr, val_read; 228 229 subaddr = (buf[4] << 8) + buf[5]; 230 val_read = (buf[2] << 8) + buf[3]; 231 kfree(buf); 232 if (val_read != val) { 233 printk(KERN_INFO "invalid fp write %x %x\n", 234 val_read, val); 235 return -EFAULT; 236 } 237 if (subaddr != addr) { 238 printk(KERN_INFO "invalid fp write addr %x %x\n", 239 subaddr, addr); 240 return -EFAULT; 241 } 242 } else { 243 kfree(buf); 244 return -EFAULT; 245 } 246 247 /* save last 12b value */ 248 if (addr == 0x12b) 249 dec->reg12b_val = val; 250 251 return 0; 252} 253 254static int read_reg_fp(struct i2c_client *client, u16 addr, u16 *val) 255{ 256 struct go7007 *go = i2c_get_adapdata(client->adapter); 257 struct go7007_usb *usb; 258 u8 *buf; 259 260 if (go == NULL) 261 return -ENODEV; 262 263 if (go->status == STATUS_SHUTDOWN) 264 return -EBUSY; 265 266 buf = kzalloc(16, GFP_KERNEL); 267 268 if (buf == NULL) 269 return -ENOMEM; 270 271 272 273 memset(buf, 0xcd, 6); 274 usb = go->hpi_context; 275 if (mutex_lock_interruptible(&usb->i2c_lock) != 0) { 276 printk(KERN_INFO "i2c lock failed\n"); 277 kfree(buf); 278 return -EINTR; 279 } 280 if (go7007_usb_vendor_request(go, 0x58, addr, 0, buf, 16, 1) < 0) { 281 kfree(buf); 282 return -EFAULT; 283 } 284 mutex_unlock(&usb->i2c_lock); 285 286 *val = (buf[0] << 8) | buf[1]; 287 kfree(buf); 288 289 return 0; 290} 291 292 293static int write_regs(struct i2c_client *client, u8 *regs) 294{ 295 int i; 296 297 for (i = 0; !((regs[i] == 0x00) && (regs[i+1] == 0x00)); i += 2) { 298 if (write_reg(client, regs[i], regs[i+1]) < 0) { 299 printk(KERN_INFO "s2250: failed\n"); 300 return -1; 301 } 302 } 303 return 0; 304} 305 306static int write_regs_fp(struct i2c_client *client, u16 *regs) 307{ 308 int i; 309 310 for (i = 0; !((regs[i] == 0x00) && (regs[i+1] == 0x00)); i += 2) { 311 if (write_reg_fp(client, regs[i], regs[i+1]) < 0) { 312 printk(KERN_INFO "s2250: failed fp\n"); 313 return -1; 314 } 315 } 316 return 0; 317} 318 319 320/* ------------------------------------------------------------------------- */ 321 322static int s2250_s_video_routing(struct v4l2_subdev *sd, u32 input, u32 output, 323 u32 config) 324{ 325 struct s2250 *state = to_state(sd); 326 struct i2c_client *client = v4l2_get_subdevdata(sd); 327 int vidsys; 328 329 vidsys = (state->std == V4L2_STD_NTSC) ? 0x01 : 0x00; 330 if (input == 0) { 331 /* composite */ 332 write_reg_fp(client, 0x20, 0x020 | vidsys); 333 write_reg_fp(client, 0x21, 0x662); 334 write_reg_fp(client, 0x140, 0x060); 335 } else if (input == 1) { 336 /* S-Video */ 337 write_reg_fp(client, 0x20, 0x040 | vidsys); 338 write_reg_fp(client, 0x21, 0x666); 339 write_reg_fp(client, 0x140, 0x060); 340 } else { 341 return -EINVAL; 342 } 343 state->input = input; 344 return 0; 345} 346 347static int s2250_s_std(struct v4l2_subdev *sd, v4l2_std_id norm) 348{ 349 struct s2250 *state = to_state(sd); 350 struct i2c_client *client = v4l2_get_subdevdata(sd); 351 u16 vidsource; 352 353 vidsource = (state->input == 1) ? 0x040 : 0x020; 354 switch (norm) { 355 case V4L2_STD_NTSC: 356 write_regs_fp(client, vid_regs_fp); 357 write_reg_fp(client, 0x20, vidsource | 1); 358 break; 359 case V4L2_STD_PAL: 360 write_regs_fp(client, vid_regs_fp); 361 write_regs_fp(client, vid_regs_fp_pal); 362 write_reg_fp(client, 0x20, vidsource); 363 break; 364 default: 365 return -EINVAL; 366 } 367 state->std = norm; 368 return 0; 369} 370 371static int s2250_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *query) 372{ 373 switch (query->id) { 374 case V4L2_CID_BRIGHTNESS: 375 return v4l2_ctrl_query_fill(query, 0, 100, 1, 50); 376 case V4L2_CID_CONTRAST: 377 return v4l2_ctrl_query_fill(query, 0, 100, 1, 50); 378 case V4L2_CID_SATURATION: 379 return v4l2_ctrl_query_fill(query, 0, 100, 1, 50); 380 case V4L2_CID_HUE: 381 return v4l2_ctrl_query_fill(query, -50, 50, 1, 0); 382 default: 383 return -EINVAL; 384 } 385 return 0; 386} 387 388static int s2250_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) 389{ 390 struct s2250 *state = to_state(sd); 391 struct i2c_client *client = v4l2_get_subdevdata(sd); 392 int value1; 393 u16 oldvalue; 394 395 switch (ctrl->id) { 396 case V4L2_CID_BRIGHTNESS: 397 if (ctrl->value > 100) 398 state->brightness = 100; 399 else if (ctrl->value < 0) 400 state->brightness = 0; 401 else 402 state->brightness = ctrl->value; 403 value1 = (state->brightness - 50) * 255 / 100; 404 read_reg_fp(client, VPX322_ADDR_BRIGHTNESS0, &oldvalue); 405 write_reg_fp(client, VPX322_ADDR_BRIGHTNESS0, 406 value1 | (oldvalue & ~0xff)); 407 read_reg_fp(client, VPX322_ADDR_BRIGHTNESS1, &oldvalue); 408 write_reg_fp(client, VPX322_ADDR_BRIGHTNESS1, 409 value1 | (oldvalue & ~0xff)); 410 write_reg_fp(client, 0x140, 0x60); 411 break; 412 case V4L2_CID_CONTRAST: 413 if (ctrl->value > 100) 414 state->contrast = 100; 415 else if (ctrl->value < 0) 416 state->contrast = 0; 417 else 418 state->contrast = ctrl->value; 419 value1 = state->contrast * 0x40 / 100; 420 if (value1 > 0x3f) 421 value1 = 0x3f; /* max */ 422 read_reg_fp(client, VPX322_ADDR_CONTRAST0, &oldvalue); 423 write_reg_fp(client, VPX322_ADDR_CONTRAST0, 424 value1 | (oldvalue & ~0x3f)); 425 read_reg_fp(client, VPX322_ADDR_CONTRAST1, &oldvalue); 426 write_reg_fp(client, VPX322_ADDR_CONTRAST1, 427 value1 | (oldvalue & ~0x3f)); 428 write_reg_fp(client, 0x140, 0x60); 429 break; 430 case V4L2_CID_SATURATION: 431 if (ctrl->value > 100) 432 state->saturation = 100; 433 else if (ctrl->value < 0) 434 state->saturation = 0; 435 else 436 state->saturation = ctrl->value; 437 value1 = state->saturation * 4140 / 100; 438 if (value1 > 4094) 439 value1 = 4094; 440 write_reg_fp(client, VPX322_ADDR_SAT, value1); 441 break; 442 case V4L2_CID_HUE: 443 if (ctrl->value > 50) 444 state->hue = 50; 445 else if (ctrl->value < -50) 446 state->hue = -50; 447 else 448 state->hue = ctrl->value; 449 /* clamp the hue range */ 450 value1 = state->hue * 280 / 50; 451 write_reg_fp(client, VPX322_ADDR_HUE, value1); 452 break; 453 default: 454 return -EINVAL; 455 } 456 return 0; 457} 458 459static int s2250_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) 460{ 461 struct s2250 *state = to_state(sd); 462 463 switch (ctrl->id) { 464 case V4L2_CID_BRIGHTNESS: 465 ctrl->value = state->brightness; 466 break; 467 case V4L2_CID_CONTRAST: 468 ctrl->value = state->contrast; 469 break; 470 case V4L2_CID_SATURATION: 471 ctrl->value = state->saturation; 472 break; 473 case V4L2_CID_HUE: 474 ctrl->value = state->hue; 475 break; 476 default: 477 return -EINVAL; 478 } 479 return 0; 480} 481 482static int s2250_s_fmt(struct v4l2_subdev *sd, struct v4l2_format *fmt) 483{ 484 struct s2250 *state = to_state(sd); 485 struct i2c_client *client = v4l2_get_subdevdata(sd); 486 487 if (fmt->fmt.pix.height < 640) { 488 write_reg_fp(client, 0x12b, state->reg12b_val | 0x400); 489 write_reg_fp(client, 0x140, 0x060); 490 } else { 491 write_reg_fp(client, 0x12b, state->reg12b_val & ~0x400); 492 write_reg_fp(client, 0x140, 0x060); 493 } 494 return 0; 495} 496 497static int s2250_s_audio_routing(struct v4l2_subdev *sd, u32 input, u32 output, 498 u32 config) 499{ 500 struct s2250 *state = to_state(sd); 501 502 switch (input) { 503 case 0: 504 write_reg(state->audio, 0x08, 0x02); /* Line In */ 505 break; 506 case 1: 507 write_reg(state->audio, 0x08, 0x04); /* Mic */ 508 break; 509 case 2: 510 write_reg(state->audio, 0x08, 0x05); /* Mic Boost */ 511 break; 512 default: 513 return -EINVAL; 514 } 515 state->audio_input = input; 516 return 0; 517} 518 519 520static int s2250_log_status(struct v4l2_subdev *sd) 521{ 522 struct s2250 *state = to_state(sd); 523 524 v4l2_info(sd, "Standard: %s\n", state->std == V4L2_STD_NTSC ? "NTSC" : 525 state->std == V4L2_STD_PAL ? "PAL" : 526 state->std == V4L2_STD_SECAM ? "SECAM" : 527 "unknown"); 528 v4l2_info(sd, "Input: %s\n", state->input == 0 ? "Composite" : 529 state->input == 1 ? "S-video" : 530 "error"); 531 v4l2_info(sd, "Brightness: %d\n", state->brightness); 532 v4l2_info(sd, "Contrast: %d\n", state->contrast); 533 v4l2_info(sd, "Saturation: %d\n", state->saturation); 534 v4l2_info(sd, "Hue: %d\n", state->hue); return 0; 535 v4l2_info(sd, "Audio input: %s\n", state->audio_input == 0 ? "Line In" : 536 state->audio_input == 1 ? "Mic" : 537 state->audio_input == 2 ? "Mic Boost" : 538 "error"); 539 return 0; 540} 541 542/* --------------------------------------------------------------------------*/ 543 544static const struct v4l2_subdev_core_ops s2250_core_ops = { 545 .log_status = s2250_log_status, 546 .g_ctrl = s2250_g_ctrl, 547 .s_ctrl = s2250_s_ctrl, 548 .queryctrl = s2250_queryctrl, 549 .s_std = s2250_s_std, 550}; 551 552static const struct v4l2_subdev_audio_ops s2250_audio_ops = { 553 .s_routing = s2250_s_audio_routing, 554}; 555 556static const struct v4l2_subdev_video_ops s2250_video_ops = { 557 .s_routing = s2250_s_video_routing, 558 .s_fmt = s2250_s_fmt, 559}; 560 561static const struct v4l2_subdev_ops s2250_ops = { 562 .core = &s2250_core_ops, 563 .audio = &s2250_audio_ops, 564 .video = &s2250_video_ops, 565}; 566 567/* --------------------------------------------------------------------------*/ 568 569static int s2250_probe(struct i2c_client *client, 570 const struct i2c_device_id *id) 571{ 572 struct i2c_client *audio; 573 struct i2c_adapter *adapter = client->adapter; 574 struct s2250 *state; 575 struct v4l2_subdev *sd; 576 u8 *data; 577 struct go7007 *go = i2c_get_adapdata(adapter); 578 struct go7007_usb *usb = go->hpi_context; 579 580 audio = i2c_new_dummy(adapter, TLV320_ADDRESS >> 1); 581 if (audio == NULL) 582 return -ENOMEM; 583 584 state = kmalloc(sizeof(struct s2250), GFP_KERNEL); 585 if (state == NULL) { 586 i2c_unregister_device(audio); 587 return -ENOMEM; 588 } 589 590 sd = &state->sd; 591 v4l2_i2c_subdev_init(sd, client, &s2250_ops); 592 593 v4l2_info(sd, "initializing %s at address 0x%x on %s\n", 594 "Sensoray 2250/2251", client->addr, client->adapter->name); 595 596 state->std = V4L2_STD_NTSC; 597 state->brightness = 50; 598 state->contrast = 50; 599 state->saturation = 50; 600 state->hue = 0; 601 state->audio = audio; 602 603 /* initialize the audio */ 604 if (write_regs(audio, aud_regs) < 0) { 605 printk(KERN_ERR 606 "s2250: error initializing audio\n"); 607 i2c_unregister_device(audio); 608 kfree(state); 609 return 0; 610 } 611 612 if (write_regs(client, vid_regs) < 0) { 613 printk(KERN_ERR 614 "s2250: error initializing decoder\n"); 615 i2c_unregister_device(audio); 616 kfree(state); 617 return 0; 618 } 619 if (write_regs_fp(client, vid_regs_fp) < 0) { 620 printk(KERN_ERR 621 "s2250: error initializing decoder\n"); 622 i2c_unregister_device(audio); 623 kfree(state); 624 return 0; 625 } 626 /* set default channel */ 627 /* composite */ 628 write_reg_fp(client, 0x20, 0x020 | 1); 629 write_reg_fp(client, 0x21, 0x662); 630 write_reg_fp(client, 0x140, 0x060); 631 632 /* set default audio input */ 633 state->audio_input = 0; 634 write_reg(client, 0x08, 0x02); /* Line In */ 635 636 if (mutex_lock_interruptible(&usb->i2c_lock) == 0) { 637 data = kzalloc(16, GFP_KERNEL); 638 if (data != NULL) { 639 int rc; 640 rc = go7007_usb_vendor_request(go, 0x41, 0, 0, 641 data, 16, 1); 642 if (rc > 0) { 643 u8 mask; 644 data[0] = 0; 645 mask = 1<<5; 646 data[0] &= ~mask; 647 data[1] |= mask; 648 go7007_usb_vendor_request(go, 0x40, 0, 649 (data[1]<<8) 650 + data[1], 651 data, 16, 0); 652 } 653 kfree(data); 654 } 655 mutex_unlock(&usb->i2c_lock); 656 } 657 658 v4l2_info(sd, "initialized successfully\n"); 659 return 0; 660} 661 662static int s2250_remove(struct i2c_client *client) 663{ 664 struct v4l2_subdev *sd = i2c_get_clientdata(client); 665 666 v4l2_device_unregister_subdev(sd); 667 kfree(to_state(sd)); 668 return 0; 669} 670 671static const struct i2c_device_id s2250_id[] = { 672 { "s2250", 0 }, 673 { } 674}; 675MODULE_DEVICE_TABLE(i2c, s2250_id); 676 677static struct v4l2_i2c_driver_data v4l2_i2c_data = { 678 .name = "s2250", 679 .probe = s2250_probe, 680 .remove = s2250_remove, 681 .id_table = s2250_id, 682}; 683