Pileus Git - ~andy/linux/blob - drivers/media/dvb/dvb-usb/az6007.c

   1 /* DVB USB compliant Linux driver for the AzureWave 6017 USB2.0 DVB-S
   2  * receiver.
   3  * see Documentation/dvb/README.dvb-usb for more information
   4  */
   5
   6 #include "az6007.h"
   7 #include "drxk.h"
   8 #include "mt2063.h"
   9 #include "dvb_ca_en50221.h"
  10
  11 /* HACK: Should be moved to the right place */
  12 #define USB_PID_AZUREWAVE_6007          0xccd
  13 #define USB_PID_TERRATEC_H7             0x10b4
  14
  15 /* debug */
  16 int dvb_usb_az6007_debug;
  17 module_param_named(debug,dvb_usb_az6007_debug, int, 0644);
  18 MODULE_PARM_DESC(debug, "set debugging level (1=info,xfer=2,rc=4 (or-able))." DVB_USB_DEBUG_STATUS);
  19
  20
  21 static int az6007_type =0;
  22 module_param(az6007_type, int, 0644);
  23 MODULE_PARM_DESC(az6007_type, "select delivery mode (0=DVB-T, 1=DVB-T");
  24
  25 //module_param_named(type, 6007_type, int, 0644);
  26 //MODULE_PARM_DESC(type, "select delivery mode (0=DVB-T, 1=DVB-C)");
  27
  28 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
  29
  30
  31 struct az6007_device_state {
  32         struct dvb_ca_en50221 ca;
  33         struct mutex ca_mutex;
  34         u8 power_state;
  35
  36         /* Due to DRX-K - probably need changes */
  37         int (*gate_ctrl)(struct dvb_frontend *, int);
  38         struct semaphore      pll_mutex;
  39         bool                    dont_attach_fe1;
  40 };
  41
  42 struct drxk_config terratec_h7_drxk = {
  43         .adr = 0x29,
  44         .single_master = 1,
  45         .no_i2c_bridge = 0,
  46         .microcode_name = "dvb-usb-terratec-h5-drxk.fw",
  47 };
  48
  49 static int drxk_gate_ctrl(struct dvb_frontend *fe, int enable)
  50 {
  51         struct dvb_usb_adapter *adap = fe->sec_priv;
  52         struct az6007_device_state *st;
  53         int status;
  54
  55         info("%s", __func__);
  56
  57         if (!adap)
  58                 return -EINVAL;
  59
  60         st = adap->priv;
  61
  62         if (!st)
  63                 return -EINVAL;
  64
  65
  66         if (enable) {
  67                 down(&st->pll_mutex);
  68                 status = st->gate_ctrl(fe, 1);
  69         } else {
  70                 status = st->gate_ctrl(fe, 0);
  71                 up(&st->pll_mutex);
  72         }
  73         return status;
  74 }
  75
  76 struct mt2063_config az6007_mt2063_config = {
  77         .tuner_address = 0x60,
  78         .refclock = 36125000,
  79 };
  80
  81 /* check for mutex FIXME */
  82 int az6007_usb_in_op(struct dvb_usb_device *d, u8 req, u16 value, u16 index, u8 *b, int blen)
  83 {
  84         int ret = -1;
  85
  86                 ret = usb_control_msg(d->udev,
  87                         usb_rcvctrlpipe(d->udev,0),
  88                         req,
  89                         USB_TYPE_VENDOR | USB_DIR_IN,
  90                         value,index,b,blen,
  91                         5000);
  92
  93         if (ret < 0) {
  94                 warn("usb in operation failed. (%d)", ret);
  95                 return -EIO;
  96         }
  97
  98         deb_xfer("in: req. %02x, val: %04x, ind: %04x, buffer: ",req,value,index);
  99         debug_dump(b,blen,deb_xfer);
 100
 101         return ret;
 102 }
 103
 104 static int az6007_usb_out_op(struct dvb_usb_device *d, u8 req, u16 value,
 105                              u16 index, u8 *b, int blen)
 106 {
 107         int ret;
 108
 109 #if 0
 110         int i=0, cyc=0, rem=0;
 111         cyc = blen/64;
 112         rem = blen%64;
 113 #endif
 114
 115         deb_xfer("out: req. %02x, val: %04x, ind: %04x, buffer: ",req,value,index);
 116         debug_dump(b,blen,deb_xfer);
 117
 118
 119 #if 0
 120         if (blen>64)
 121         {
 122                 for (i=0; i<cyc; i++)
 123                 {
 124                         if ((ret = usb_control_msg(d->udev,
 125                                 usb_sndctrlpipe(d->udev,0),
 126                                 req,
 127                                 USB_TYPE_VENDOR | USB_DIR_OUT,
 128                                 value,index+i*64,b+i*64,64,
 129                                 5000)) != 64) {
 130                                 warn("usb out operation failed. (%d)",ret);
 131                                 return -EIO;
 132                         }
 133                 }
 134
 135                 if (rem>0)
 136                 {
 137                         if ((ret = usb_control_msg(d->udev,
 138                                 usb_sndctrlpipe(d->udev,0),
 139                                 req,
 140                                 USB_TYPE_VENDOR | USB_DIR_OUT,
 141                                 value,index+cyc*64,b+cyc*64,rem,
 142                                 5000)) != rem) {
 143                                 warn("usb out operation failed. (%d)",ret);
 144                                 return -EIO;
 145                         }
 146                 }
 147         }
 148         else
 149 #endif
 150         {
 151                 if ((ret = usb_control_msg(d->udev,
 152                                 usb_sndctrlpipe(d->udev,0),
 153                                 req,
 154                                 USB_TYPE_VENDOR | USB_DIR_OUT,
 155                                 value,index,b,blen,
 156                                 5000)) != blen) {
 157                         warn("usb out operation failed. (%d)",ret);
 158                         return -EIO;
 159                 }
 160         }
 161
 162         return 0;
 163 }
 164
 165 static int az6007_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
 166 {
 167         return 0;
 168 }
 169
 170 /* keys for the enclosed remote control */
 171 struct rc_map_table rc_map_az6007_table[] = {
 172         { 0x0001, KEY_1 },
 173         { 0x0002, KEY_2 },
 174 };
 175
 176 /* remote control stuff (does not work with my box) */
 177 static int az6007_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
 178 {
 179         return 0;
 180 #if 0
 181         u8 key[10];
 182         int i;
 183
 184 /* remove the following return to enabled remote querying */
 185
 186
 187         az6007_usb_in_op(d,READ_REMOTE_REQ,0,0,key,10);
 188
 189         deb_rc("remote query key: %x %d\n",key[1],key[1]);
 190
 191         if (key[1] == 0x44) {
 192                 *state = REMOTE_NO_KEY_PRESSED;
 193                 return 0;
 194         }
 195
 196         for (i = 0; i < ARRAY_SIZE(az6007_rc_keys); i++)
 197                 if (az6007_rc_keys[i].custom == key[1]) {
 198                         *state = REMOTE_KEY_PRESSED;
 199                         *event = az6007_rc_keys[i].event;
 200                         break;
 201                 }
 202         return 0;
 203 #endif
 204 }
 205
 206 /*
 207 int az6007_power_ctrl(struct dvb_usb_device *d, int onoff)
 208 {
 209         u8 v = onoff;
 210         return az6007_usb_out_op(d,0xBC,v,3,NULL,1);
 211 }
 212 */
 213
 214 static int az6007_read_mac_addr(struct dvb_usb_device *d,u8 mac[6])
 215 {
 216         az6007_usb_in_op(d, 0xb7, 6, 0, &mac[0], 6);
 217         return 0;
 218 }
 219
 220 static int az6007_frontend_poweron(struct dvb_usb_adapter *adap)
 221 {
 222         int ret;
 223         u8 req;
 224         u16 value;
 225         u16 index;
 226         int blen;
 227
 228         info("az6007_frontend_poweron adap=%p adap->dev=%p", adap, adap->dev);
 229
 230         req = 0xBC;
 231         value = 1;//power on
 232         index = 3;
 233         blen =0;
 234
 235         if((ret = az6007_usb_out_op(adap->dev,req,value,index,NULL,blen)) != 0)
 236         {
 237                 err("az6007_frontend_poweron failed!!!");
 238                  return -EIO;
 239         }
 240
 241         msleep_interruptible(200);
 242
 243         req = 0xBC;
 244         value = 0;//power on
 245         index = 3;
 246         blen =0;
 247
 248         if((ret = az6007_usb_out_op(adap->dev,req,value,index,NULL,blen)) != 0)
 249         {
 250                 err("az6007_frontend_poweron failed!!!");
 251                  return -EIO;
 252         }
 253
 254         msleep_interruptible(200);
 255
 256         req = 0xBC;
 257         value = 1;//power on
 258         index = 3;
 259         blen =0;
 260
 261         if((ret = az6007_usb_out_op(adap->dev,req,value,index,NULL,blen)) != 0)
 262         {
 263                 err("az6007_frontend_poweron failed!!!");
 264                  return -EIO;
 265         }
 266         info("az6007_frontend_poweron: OK");
 267
 268         return 0;
 269 }
 270
 271 static int az6007_frontend_reset(struct dvb_usb_adapter *adap)
 272 {
 273         int ret;
 274         u8 req;
 275         u16 value;
 276         u16 index;
 277         int blen;
 278
 279         info("az6007_frontend_reset adap=%p adap->dev=%p", adap, adap->dev);
 280
 281         //reset demodulator
 282         req = 0xC0;
 283         value = 1;//high
 284         index = 3;
 285         blen =0;
 286         if((ret = az6007_usb_out_op(adap->dev,req,value,index,NULL,blen)) != 0)
 287         {
 288                 err("az6007_frontend_reset failed 1 !!!");
 289                    return -EIO;
 290         }
 291
 292         req = 0xC0;
 293         value = 0;//low
 294         index = 3;
 295         blen =0;
 296         msleep_interruptible(200);
 297         if((ret = az6007_usb_out_op(adap->dev,req,value,index,NULL,blen)) != 0)
 298         {
 299                 err("az6007_frontend_reset failed 2 !!!");
 300                    return -EIO;
 301         }
 302         msleep_interruptible(200);
 303         req = 0xC0;
 304         value = 1;//high
 305         index = 3;
 306         blen =0;
 307
 308         if((ret = az6007_usb_out_op(adap->dev,req,value,index,NULL,blen)) != 0)
 309         {
 310                 err("az6007_frontend_reset failed 3 !!!");
 311                    return -EIO;
 312         }
 313
 314         msleep_interruptible(200);
 315
 316         info("reset az6007 frontend");
 317
 318         return 0;
 319 }
 320
 321 static int az6007_led_on_off(struct usb_interface *intf, int onoff)
 322 {
 323         int ret = -1;
 324         u8 req;
 325         u16 value;
 326         u16 index;
 327         int blen;
 328         //TS through
 329         req = 0xBC;
 330         value = onoff;
 331         index = 0;
 332         blen =0;
 333
 334         ret = usb_control_msg(interface_to_usbdev(intf),
 335                 usb_rcvctrlpipe(interface_to_usbdev(intf),0),
 336                 req,
 337                 USB_TYPE_VENDOR | USB_DIR_OUT,
 338                 value,index,NULL,blen,
 339                 2000);
 340
 341         if (ret < 0) {
 342                 warn("usb in operation failed. (%d)", ret);
 343                 ret = -EIO;
 344         } else
 345                 ret = 0;
 346
 347
 348         deb_xfer("in: req. %02x, val: %04x, ind: %04x, buffer: ",req,value,index);
 349
 350         return ret;
 351 }
 352
 353 static int az6007_frontend_tsbypass(struct dvb_usb_adapter *adap,int onoff)
 354 {
 355         int ret;
 356         u8 req;
 357         u16 value;
 358         u16 index;
 359         int blen;
 360         //TS through
 361         req = 0xC7;
 362         value = onoff;
 363         index = 0;
 364         blen =0;
 365
 366         if((ret = az6007_usb_out_op(adap->dev,req,value,index,NULL,blen)) != 0)
 367                    return -EIO;
 368         return 0;
 369 }
 370
 371 static int az6007_frontend_attach(struct dvb_usb_adapter *adap)
 372 {
 373         struct az6007_device_state *st = adap->priv;
 374
 375         int result;
 376
 377         BUG_ON(!st);
 378
 379         az6007_frontend_poweron(adap);
 380         az6007_frontend_reset(adap);
 381
 382         info("az6007_frontend_attach: drxk");
 383
 384         adap->fe = dvb_attach(drxk_attach, &terratec_h7_drxk,
 385                               &adap->dev->i2c_adap, &adap->fe2);
 386         if (!adap->fe) {
 387                 result = -EINVAL;
 388                 goto out_free;
 389         }
 390
 391         info("Setting hacks");
 392
 393         /* FIXME: do we need a pll semaphore? */
 394         adap->fe->sec_priv = adap;
 395         sema_init(&st->pll_mutex, 1);
 396         st->gate_ctrl = adap->fe->ops.i2c_gate_ctrl;
 397         adap->fe->ops.i2c_gate_ctrl = drxk_gate_ctrl;
 398         adap->fe2->id = 1;
 399
 400         info("az6007_frontend_attach: mt2063");
 401         /* Attach mt2063 to DVB-C frontend */
 402         if (adap->fe->ops.i2c_gate_ctrl)
 403                 adap->fe->ops.i2c_gate_ctrl(adap->fe, 1);
 404         if (!dvb_attach(mt2063_attach, adap->fe, &az6007_mt2063_config,
 405                         &adap->dev->i2c_adap)) {
 406                 result = -EINVAL;
 407
 408                 goto out_free;
 409         }
 410         if (adap->fe->ops.i2c_gate_ctrl)
 411                 adap->fe->ops.i2c_gate_ctrl(adap->fe, 0);
 412
 413         /* Hack - needed due to drxk */
 414         adap->fe2->tuner_priv = adap->fe->tuner_priv;
 415         memcpy(&adap->fe2->ops.tuner_ops,
 416                &adap->fe->ops.tuner_ops,
 417                sizeof(adap->fe->ops.tuner_ops));
 418         return 0;
 419
 420 out_free:
 421         if (adap->fe)
 422                 dvb_frontend_detach(adap->fe);
 423         adap->fe = NULL;
 424         adap->fe2 = NULL;
 425
 426         return result;
 427 }
 428
 429 static struct dvb_usb_device_properties az6007_properties;
 430
 431 static void
 432 az6007_usb_disconnect(struct usb_interface *intf)
 433 {
 434         dvb_usb_device_exit (intf);
 435 }
 436
 437 /* I2C */
 438 static int az6007_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msgs[],int num)
 439 {
 440         struct dvb_usb_device *d = i2c_get_adapdata(adap);
 441         int i, j, len;
 442         int ret = 0;
 443         u16 index;
 444         u16 value;
 445         int length;
 446         u8 req, addr;
 447         u8 data[512];
 448
 449         if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
 450                 return -EAGAIN;
 451
 452         for (i = 0; i < num; i++) {
 453                 addr = msgs[i].addr << 1;
 454                 if (((i + 1) < num)
 455                     && (msgs[i].len == 1)
 456                     && (!msgs[i].flags & I2C_M_RD)
 457                     && (msgs[i + 1].flags & I2C_M_RD)
 458                     && (msgs[i].addr == msgs[i + 1].addr)) {
 459                         /*
 460                          * A write + read xfer for the same address, where
 461                          * the first xfer has just 1 byte length.
 462                          * Need to join both into one operation
 463                          */
 464                         if (dvb_usb_az6007_debug & 2)
 465                                 printk(KERN_DEBUG
 466                                        "az6007 I2C xfer write+read addr=0x%x len=%d/%d: ",
 467                                        addr, msgs[i].len, msgs[i + 1].len);
 468                         req = 0xb9;
 469                         index = msgs[i].buf[0];
 470                         value = addr | (1 << 8);
 471                         length = 6 + msgs[i + 1].len;
 472                         len = msgs[i + 1].len;
 473                         ret = az6007_usb_in_op(d,req,value,index,data,length);
 474                         if (ret >= len) {
 475                                 for (j = 0; j < len; j++) {
 476                                         msgs[i + 1].buf[j] = data[j + 5];
 477                                         if (dvb_usb_az6007_debug & 2)
 478                                                 printk(KERN_CONT
 479                                                        "0x%02x ",
 480                                                        msgs[i + 1].buf[j]);
 481                                 }
 482                         } else
 483                                 ret = -EIO;
 484                         i++;
 485                 } else if (!(msgs[i].flags & I2C_M_RD)) {
 486                         /* write bytes */
 487                         if (dvb_usb_az6007_debug & 2)
 488                                 printk(KERN_DEBUG
 489                                        "az6007 I2C xfer write addr=0x%x len=%d: ",
 490                                        addr, msgs[i].len);
 491                         req = 0xbd;
 492                         index = msgs[i].buf[0];
 493                         value = addr | (1 << 8);
 494                         length = msgs[i].len - 1;
 495                         len = msgs[i].len - 1;
 496                         if (dvb_usb_az6007_debug & 2)
 497                                 printk(KERN_CONT
 498                                        "(0x%02x) ", msgs[i].buf[0]);
 499                         for (j = 0; j < len; j++)
 500                         {
 501                                 data[j] = msgs[i].buf[j + 1];
 502                                 if (dvb_usb_az6007_debug & 2)
 503                                         printk(KERN_CONT
 504                                                "0x%02x ", data[j]);
 505                         }
 506                         ret = az6007_usb_out_op(d,req,value,index,data,length);
 507                 } else {
 508                         /* read bytes */
 509                         if (dvb_usb_az6007_debug & 2)
 510                                 printk(KERN_DEBUG
 511                                        "az6007 I2C xfer read addr=0x%x len=%d: ",
 512                                        addr, msgs[i].len);
 513                         req = 0xb9;
 514                         index = msgs[i].buf[0];
 515                         value = addr;
 516                         length = msgs[i].len + 6;
 517                         len = msgs[i].len;
 518                         ret = az6007_usb_in_op(d,req,value,index,data,length);
 519                         for (j = 0; j < len; j++)
 520                         {
 521                                 msgs[i].buf[j] = data[j + 5];
 522                                 if (dvb_usb_az6007_debug & 2)
 523                                         printk(KERN_CONT
 524                                                "0x%02x ", data[j + 5]);
 525                         }
 526                 }
 527                 if (dvb_usb_az6007_debug & 2)
 528                         printk(KERN_CONT "\n");
 529                 if (ret < 0)
 530                         goto err;
 531         }
 532 err:
 533         mutex_unlock(&d->i2c_mutex);
 534
 535         if (ret < 0) {
 536                 info("%s ERROR: %i\n", __func__, ret);
 537                 return ret;
 538         }
 539         return num;
 540 }
 541
 542
 543 static u32 az6007_i2c_func(struct i2c_adapter *adapter)
 544 {
 545         return I2C_FUNC_I2C;
 546 }
 547
 548 static struct i2c_algorithm az6007_i2c_algo = {
 549         .master_xfer   = az6007_i2c_xfer,
 550         .functionality = az6007_i2c_func,
 551 #ifdef NEED_ALGO_CONTROL
 552         .algo_control = dummy_algo_control,
 553 #endif
 554 };
 555
 556 int az6007_identify_state(struct usb_device *udev, struct dvb_usb_device_properties *props,
 557                         struct dvb_usb_device_description **desc, int *cold)
 558 {
 559         u8 b[16];
 560         s16 ret = usb_control_msg(udev, usb_rcvctrlpipe(udev,0),
 561                 0xb7, USB_TYPE_VENDOR | USB_DIR_IN, 6, 0, b, 6, USB_CTRL_GET_TIMEOUT);
 562
 563         info("FW GET_VERSION length: %d",ret);
 564
 565         *cold = ret <= 0;
 566
 567         info("cold: %d", *cold);
 568         return 0;
 569 }
 570
 571 static int az6007_usb_probe(struct usb_interface *intf,
 572                 const struct usb_device_id *id)
 573 {
 574         az6007_led_on_off(intf, 0);
 575
 576         return dvb_usb_device_init(intf, &az6007_properties,
 577                                    THIS_MODULE, NULL, adapter_nr);
 578 }
 579
 580 static struct usb_device_id az6007_usb_table [] = {
 581             { USB_DEVICE(USB_VID_AZUREWAVE, USB_PID_AZUREWAVE_6007) },
 582             { USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_H7) },
 583             { 0 },
 584 };
 585
 586 MODULE_DEVICE_TABLE(usb, az6007_usb_table);
 587
 588 static struct dvb_usb_device_properties az6007_properties = {
 589         .caps = DVB_USB_IS_AN_I2C_ADAPTER,
 590         .usb_ctrl = CYPRESS_FX2,
 591         //.download_firmware = az6007_download_firmware,
 592         .firmware            = "dvb-usb-az6007-03.fw",
 593         .no_reconnect        = 1,
 594
 595         .identify_state         = az6007_identify_state,
 596         .num_adapters = 1,
 597         .adapter = {
 598                 {
 599                         //.caps             = DVB_USB_ADAP_RECEIVES_204_BYTE_TS,
 600
 601                         .streaming_ctrl   = az6007_streaming_ctrl,
 602                         .frontend_attach  = az6007_frontend_attach,
 603
 604                         /* parameter for the MPEG2-data transfer */
 605                         .stream = {
 606                                 .type = USB_BULK,
 607                                 .count = 10,
 608                                 .endpoint = 0x02,
 609                                 .u = {
 610                                         .bulk = {
 611                                                 .buffersize = 4096,
 612                                         }
 613                                 }
 614                         },
 615                         .size_of_priv     = sizeof(struct az6007_device_state),
 616                 }
 617         },
 618         //.power_ctrl       = az6007_power_ctrl,
 619         .read_mac_address = az6007_read_mac_addr,
 620
 621         .rc.legacy = {
 622                 .rc_map_table  = rc_map_az6007_table,
 623                 .rc_map_size  = ARRAY_SIZE(rc_map_az6007_table),
 624                 .rc_interval      = 400,
 625                 .rc_query         = az6007_rc_query,
 626         },
 627         .i2c_algo         = &az6007_i2c_algo,
 628
 629         .num_device_descs = 2,
 630         .devices = {
 631                 { .name = "AzureWave DTV StarBox DVB-T/C USB2.0 (az6007)",
 632                   .cold_ids = { &az6007_usb_table[0], NULL },
 633                   .warm_ids = { NULL },
 634                 },
 635                 { .name = "TerraTec DTV StarBox DVB-T/C USB2.0 (az6007)",
 636                   .cold_ids = { &az6007_usb_table[1], NULL },
 637                   .warm_ids = { NULL },
 638                 },
 639                 { NULL },
 640         }
 641 };
 642
 643 /* usb specific object needed to register this driver with the usb subsystem */
 644 static struct usb_driver az6007_usb_driver = {
 645         .name           = "dvb_usb_az6007",
 646         .probe          = az6007_usb_probe,
 647         .disconnect = dvb_usb_device_exit,
 648         //.disconnect   = az6007_usb_disconnect,
 649         .id_table       = az6007_usb_table,
 650 };
 651
 652 /* module stuff */
 653 static int __init az6007_usb_module_init(void)
 654 {
 655         int result;
 656         info("az6007 usb module init");
 657         if ((result = usb_register(&az6007_usb_driver))) {
 658                 err("usb_register failed. (%d)",result);
 659                 return result;
 660         }
 661
 662         return 0;
 663 }
 664
 665 static void __exit az6007_usb_module_exit(void)
 666 {
 667         /* deregister this driver from the USB subsystem */
 668         info("az6007 usb module exit");
 669         usb_deregister(&az6007_usb_driver);
 670 }
 671
 672 module_init(az6007_usb_module_init);
 673 module_exit(az6007_usb_module_exit);
 674
 675 MODULE_AUTHOR("Henry Wang <Henry.wang@AzureWave.com>");
 676 MODULE_DESCRIPTION("Driver for AzureWave 6007 DVB-C/T USB2.0 and clones");
 677 MODULE_VERSION("1.0");
 678 MODULE_LICENSE("GPL");