drivers/media/usb/dvb-usb-v2/az6007.c

   1 /*
   2  * Driver for AzureWave 6007 DVB-C/T USB2.0 and clones
   3  *
   4  * Copyright (c) Henry Wang <Henry.wang@AzureWave.com>
   5  *
   6  * This driver was made publicly available by Terratec, at:
   7  *      http://linux.terratec.de/files/TERRATEC_H7/20110323_TERRATEC_H7_Linux.tar.gz
   8  * The original driver's license is GPL, as declared with MODULE_LICENSE()
   9  *
  10  * Copyright (c) 2010-2012 Mauro Carvalho Chehab
  11  *      Driver modified by in order to work with upstream drxk driver, and
  12  *      tons of bugs got fixed, and converted to use dvb-usb-v2.
  13  *
  14  * This program is free software; you can redistribute it and/or modify
  15  * it under the terms of the GNU General Public License as published by
  16  * the Free Software Foundation under version 2 of the License.
  17  *
  18  * This program is distributed in the hope that it will be useful,
  19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21  * GNU General Public License for more details.
  22  */
  23
  24 #include "drxk.h"
  25 #include "mt2063.h"
  26 #include "dvb_ca_en50221.h"
  27 #include "dvb_usb.h"
  28 #include "cypress_firmware.h"
  29
  30 #define AZ6007_FIRMWARE "dvb-usb-terratec-h7-az6007.fw"
  31
  32 static int az6007_xfer_debug;
  33 module_param_named(xfer_debug, az6007_xfer_debug, int, 0644);
  34 MODULE_PARM_DESC(xfer_debug, "Enable xfer debug");
  35
  36 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
  37
  38 /* Known requests (Cypress FX2 firmware + az6007 "private" ones*/
  39
  40 #define FX2_OED                 0xb5
  41 #define AZ6007_READ_DATA        0xb7
  42 #define AZ6007_I2C_RD           0xb9
  43 #define AZ6007_POWER            0xbc
  44 #define AZ6007_I2C_WR           0xbd
  45 #define FX2_SCON1               0xc0
  46 #define AZ6007_TS_THROUGH       0xc7
  47 #define AZ6007_READ_IR          0xb4
  48
  49 struct az6007_device_state {
  50         struct mutex            mutex;
  51         struct mutex            ca_mutex;
  52         struct dvb_ca_en50221   ca;
  53         unsigned                warm:1;
  54         int                     (*gate_ctrl) (struct dvb_frontend *, int);
  55         unsigned char           data[4096];
  56 };
  57
  58 static struct drxk_config terratec_h7_drxk = {
  59         .adr = 0x29,
  60         .parallel_ts = true,
  61         .dynamic_clk = true,
  62         .single_master = true,
  63         .enable_merr_cfg = true,
  64         .no_i2c_bridge = false,
  65         .chunk_size = 64,
  66         .mpeg_out_clk_strength = 0x02,
  67         .qam_demod_parameter_count = 2,
  68         .microcode_name = "dvb-usb-terratec-h7-drxk.fw",
  69 };
  70
  71 static struct drxk_config cablestar_hdci_drxk = {
  72         .adr = 0x29,
  73         .parallel_ts = true,
  74         .dynamic_clk = true,
  75         .single_master = true,
  76         .enable_merr_cfg = true,
  77         .no_i2c_bridge = false,
  78         .chunk_size = 64,
  79         .mpeg_out_clk_strength = 0x02,
  80         .qam_demod_parameter_count = 2,
  81         .microcode_name = "dvb-usb-technisat-cablestar-hdci-drxk.fw",
  82 };
  83
  84 static int drxk_gate_ctrl(struct dvb_frontend *fe, int enable)
  85 {
  86         struct az6007_device_state *st = fe_to_priv(fe);
  87         struct dvb_usb_adapter *adap = fe->sec_priv;
  88         int status = 0;
  89
  90         pr_debug("%s: %s\n", __func__, enable ? "enable" : "disable");
  91
  92         if (!adap || !st)
  93                 return -EINVAL;
  94
  95         if (enable)
  96                 status = st->gate_ctrl(fe, 1);
  97         else
  98                 status = st->gate_ctrl(fe, 0);
  99
 100         return status;
 101 }
 102
 103 static struct mt2063_config az6007_mt2063_config = {
 104         .tuner_address = 0x60,
 105         .refclock = 36125000,
 106 };
 107
 108 static int __az6007_read(struct usb_device *udev, u8 req, u16 value,
 109                             u16 index, u8 *b, int blen)
 110 {
 111         int ret;
 112
 113         ret = usb_control_msg(udev,
 114                               usb_rcvctrlpipe(udev, 0),
 115                               req,
 116                               USB_TYPE_VENDOR | USB_DIR_IN,
 117                               value, index, b, blen, 5000);
 118         if (ret < 0) {
 119                 pr_warn("usb read operation failed. (%d)\n", ret);
 120                 return -EIO;
 121         }
 122
 123         if (az6007_xfer_debug) {
 124                 printk(KERN_DEBUG "az6007: IN  req: %02x, value: %04x, index: %04x\n",
 125                        req, value, index);
 126                 print_hex_dump_bytes("az6007: payload: ",
 127                                      DUMP_PREFIX_NONE, b, blen);
 128         }
 129
 130         return ret;
 131 }
 132
 133 static int az6007_read(struct dvb_usb_device *d, u8 req, u16 value,
 134                             u16 index, u8 *b, int blen)
 135 {
 136         struct az6007_device_state *st = d->priv;
 137         int ret;
 138
 139         if (mutex_lock_interruptible(&st->mutex) < 0)
 140                 return -EAGAIN;
 141
 142         ret = __az6007_read(d->udev, req, value, index, b, blen);
 143
 144         mutex_unlock(&st->mutex);
 145
 146         return ret;
 147 }
 148
 149 static int __az6007_write(struct usb_device *udev, u8 req, u16 value,
 150                              u16 index, u8 *b, int blen)
 151 {
 152         int ret;
 153
 154         if (az6007_xfer_debug) {
 155                 printk(KERN_DEBUG "az6007: OUT req: %02x, value: %04x, index: %04x\n",
 156                        req, value, index);
 157                 print_hex_dump_bytes("az6007: payload: ",
 158                                      DUMP_PREFIX_NONE, b, blen);
 159         }
 160
 161         if (blen > 64) {
 162                 pr_err("az6007: tried to write %d bytes, but I2C max size is 64 bytes\n",
 163                        blen);
 164                 return -EOPNOTSUPP;
 165         }
 166
 167         ret = usb_control_msg(udev,
 168                               usb_sndctrlpipe(udev, 0),
 169                               req,
 170                               USB_TYPE_VENDOR | USB_DIR_OUT,
 171                               value, index, b, blen, 5000);
 172         if (ret != blen) {
 173                 pr_err("usb write operation failed. (%d)\n", ret);
 174                 return -EIO;
 175         }
 176
 177         return 0;
 178 }
 179
 180 static int az6007_write(struct dvb_usb_device *d, u8 req, u16 value,
 181                             u16 index, u8 *b, int blen)
 182 {
 183         struct az6007_device_state *st = d->priv;
 184         int ret;
 185
 186         if (mutex_lock_interruptible(&st->mutex) < 0)
 187                 return -EAGAIN;
 188
 189         ret = __az6007_write(d->udev, req, value, index, b, blen);
 190
 191         mutex_unlock(&st->mutex);
 192
 193         return ret;
 194 }
 195
 196 static int az6007_streaming_ctrl(struct dvb_frontend *fe, int onoff)
 197 {
 198         struct dvb_usb_device *d = fe_to_d(fe);
 199
 200         pr_debug("%s: %s\n", __func__, onoff ? "enable" : "disable");
 201
 202         return az6007_write(d, 0xbc, onoff, 0, NULL, 0);
 203 }
 204
 205 #if IS_ENABLED(CONFIG_RC_CORE)
 206 /* remote control stuff (does not work with my box) */
 207 static int az6007_rc_query(struct dvb_usb_device *d)
 208 {
 209         struct az6007_device_state *st = d_to_priv(d);
 210         unsigned code;
 211
 212         az6007_read(d, AZ6007_READ_IR, 0, 0, st->data, 10);
 213
 214         if (st->data[1] == 0x44)
 215                 return 0;
 216
 217         if ((st->data[3] ^ st->data[4]) == 0xff) {
 218                 if ((st->data[1] ^ st->data[2]) == 0xff)
 219                         code = RC_SCANCODE_NEC(st->data[1], st->data[3]);
 220                 else
 221                         code = RC_SCANCODE_NECX(st->data[1] << 8 | st->data[2],
 222                                                 st->data[3]);
 223         } else {
 224                 code = RC_SCANCODE_NEC32(st->data[1] << 24 |
 225                                          st->data[2] << 16 |
 226                                          st->data[3] << 8  |
 227                                          st->data[4]);
 228         }
 229
 230         rc_keydown(d->rc_dev, RC_TYPE_NEC, code, st->data[5]);
 231
 232         return 0;
 233 }
 234
 235 static int az6007_get_rc_config(struct dvb_usb_device *d, struct dvb_usb_rc *rc)
 236 {
 237         pr_debug("Getting az6007 Remote Control properties\n");
 238
 239         rc->allowed_protos = RC_BIT_NEC;
 240         rc->query          = az6007_rc_query;
 241         rc->interval       = 400;
 242
 243         return 0;
 244 }
 245 #else
 246         #define az6007_get_rc_config NULL
 247 #endif
 248
 249 static int az6007_ci_read_attribute_mem(struct dvb_ca_en50221 *ca,
 250                                         int slot,
 251                                         int address)
 252 {
 253         struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
 254         struct az6007_device_state *state = d_to_priv(d);
 255
 256         int ret;
 257         u8 req;
 258         u16 value;
 259         u16 index;
 260         int blen;
 261         u8 *b;
 262
 263         if (slot != 0)
 264                 return -EINVAL;
 265
 266         b = kmalloc(12, GFP_KERNEL);
 267         if (!b)
 268                 return -ENOMEM;
 269
 270         mutex_lock(&state->ca_mutex);
 271
 272         req = 0xC1;
 273         value = address;
 274         index = 0;
 275         blen = 1;
 276
 277         ret = az6007_read(d, req, value, index, b, blen);
 278         if (ret < 0) {
 279                 pr_warn("usb in operation failed. (%d)\n", ret);
 280                 ret = -EINVAL;
 281         } else {
 282                 ret = b[0];
 283         }
 284
 285         mutex_unlock(&state->ca_mutex);
 286         kfree(b);
 287         return ret;
 288 }
 289
 290 static int az6007_ci_write_attribute_mem(struct dvb_ca_en50221 *ca,
 291                                          int slot,
 292                                          int address,
 293                                          u8 value)
 294 {
 295         struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
 296         struct az6007_device_state *state = d_to_priv(d);
 297
 298         int ret;
 299         u8 req;
 300         u16 value1;
 301         u16 index;
 302         int blen;
 303
 304         pr_debug("%s(), slot %d\n", __func__, slot);
 305         if (slot != 0)
 306                 return -EINVAL;
 307
 308         mutex_lock(&state->ca_mutex);
 309         req = 0xC2;
 310         value1 = address;
 311         index = value;
 312         blen = 0;
 313
 314         ret = az6007_write(d, req, value1, index, NULL, blen);
 315         if (ret != 0)
 316                 pr_warn("usb out operation failed. (%d)\n", ret);
 317
 318         mutex_unlock(&state->ca_mutex);
 319         return ret;
 320 }
 321
 322 static int az6007_ci_read_cam_control(struct dvb_ca_en50221 *ca,
 323                                       int slot,
 324                                       u8 address)
 325 {
 326         struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
 327         struct az6007_device_state *state = d_to_priv(d);
 328
 329         int ret;
 330         u8 req;
 331         u16 value;
 332         u16 index;
 333         int blen;
 334         u8 *b;
 335
 336         if (slot != 0)
 337                 return -EINVAL;
 338
 339         b = kmalloc(12, GFP_KERNEL);
 340         if (!b)
 341                 return -ENOMEM;
 342
 343         mutex_lock(&state->ca_mutex);
 344
 345         req = 0xC3;
 346         value = address;
 347         index = 0;
 348         blen = 2;
 349
 350         ret = az6007_read(d, req, value, index, b, blen);
 351         if (ret < 0) {
 352                 pr_warn("usb in operation failed. (%d)\n", ret);
 353                 ret = -EINVAL;
 354         } else {
 355                 if (b[0] == 0)
 356                         pr_warn("Read CI IO error\n");
 357
 358                 ret = b[1];
 359                 pr_debug("read cam data = %x from 0x%x\n", b[1], value);
 360         }
 361
 362         mutex_unlock(&state->ca_mutex);
 363         kfree(b);
 364         return ret;
 365 }
 366
 367 static int az6007_ci_write_cam_control(struct dvb_ca_en50221 *ca,
 368                                        int slot,
 369                                        u8 address,
 370                                        u8 value)
 371 {
 372         struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
 373         struct az6007_device_state *state = d_to_priv(d);
 374
 375         int ret;
 376         u8 req;
 377         u16 value1;
 378         u16 index;
 379         int blen;
 380
 381         if (slot != 0)
 382                 return -EINVAL;
 383
 384         mutex_lock(&state->ca_mutex);
 385         req = 0xC4;
 386         value1 = address;
 387         index = value;
 388         blen = 0;
 389
 390         ret = az6007_write(d, req, value1, index, NULL, blen);
 391         if (ret != 0) {
 392                 pr_warn("usb out operation failed. (%d)\n", ret);
 393                 goto failed;
 394         }
 395
 396 failed:
 397         mutex_unlock(&state->ca_mutex);
 398         return ret;
 399 }
 400
 401 static int CI_CamReady(struct dvb_ca_en50221 *ca, int slot)
 402 {
 403         struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
 404
 405         int ret;
 406         u8 req;
 407         u16 value;
 408         u16 index;
 409         int blen;
 410         u8 *b;
 411
 412         b = kmalloc(12, GFP_KERNEL);
 413         if (!b)
 414                 return -ENOMEM;
 415
 416         req = 0xC8;
 417         value = 0;
 418         index = 0;
 419         blen = 1;
 420
 421         ret = az6007_read(d, req, value, index, b, blen);
 422         if (ret < 0) {
 423                 pr_warn("usb in operation failed. (%d)\n", ret);
 424                 ret = -EIO;
 425         } else{
 426                 ret = b[0];
 427         }
 428         kfree(b);
 429         return ret;
 430 }
 431
 432 static int az6007_ci_slot_reset(struct dvb_ca_en50221 *ca, int slot)
 433 {
 434         struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
 435         struct az6007_device_state *state = d_to_priv(d);
 436
 437         int ret, i;
 438         u8 req;
 439         u16 value;
 440         u16 index;
 441         int blen;
 442
 443         mutex_lock(&state->ca_mutex);
 444
 445         req = 0xC6;
 446         value = 1;
 447         index = 0;
 448         blen = 0;
 449
 450         ret = az6007_write(d, req, value, index, NULL, blen);
 451         if (ret != 0) {
 452                 pr_warn("usb out operation failed. (%d)\n", ret);
 453                 goto failed;
 454         }
 455
 456         msleep(500);
 457         req = 0xC6;
 458         value = 0;
 459         index = 0;
 460         blen = 0;
 461
 462         ret = az6007_write(d, req, value, index, NULL, blen);
 463         if (ret != 0) {
 464                 pr_warn("usb out operation failed. (%d)\n", ret);
 465                 goto failed;
 466         }
 467
 468         for (i = 0; i < 15; i++) {
 469                 msleep(100);
 470
 471                 if (CI_CamReady(ca, slot)) {
 472                         pr_debug("CAM Ready\n");
 473                         break;
 474                 }
 475         }
 476         msleep(5000);
 477
 478 failed:
 479         mutex_unlock(&state->ca_mutex);
 480         return ret;
 481 }
 482
 483 static int az6007_ci_slot_shutdown(struct dvb_ca_en50221 *ca, int slot)
 484 {
 485         return 0;
 486 }
 487
 488 static int az6007_ci_slot_ts_enable(struct dvb_ca_en50221 *ca, int slot)
 489 {
 490         struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
 491         struct az6007_device_state *state = d_to_priv(d);
 492
 493         int ret;
 494         u8 req;
 495         u16 value;
 496         u16 index;
 497         int blen;
 498
 499         pr_debug("%s()\n", __func__);
 500         mutex_lock(&state->ca_mutex);
 501         req = 0xC7;
 502         value = 1;
 503         index = 0;
 504         blen = 0;
 505
 506         ret = az6007_write(d, req, value, index, NULL, blen);
 507         if (ret != 0) {
 508                 pr_warn("usb out operation failed. (%d)\n", ret);
 509                 goto failed;
 510         }
 511
 512 failed:
 513         mutex_unlock(&state->ca_mutex);
 514         return ret;
 515 }
 516
 517 static int az6007_ci_poll_slot_status(struct dvb_ca_en50221 *ca, int slot, int open)
 518 {
 519         struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
 520         struct az6007_device_state *state = d_to_priv(d);
 521         int ret;
 522         u8 req;
 523         u16 value;
 524         u16 index;
 525         int blen;
 526         u8 *b;
 527
 528         b = kmalloc(12, GFP_KERNEL);
 529         if (!b)
 530                 return -ENOMEM;
 531         mutex_lock(&state->ca_mutex);
 532
 533         req = 0xC5;
 534         value = 0;
 535         index = 0;
 536         blen = 1;
 537
 538         ret = az6007_read(d, req, value, index, b, blen);
 539         if (ret < 0) {
 540                 pr_warn("usb in operation failed. (%d)\n", ret);
 541                 ret = -EIO;
 542         } else
 543                 ret = 0;
 544
 545         if (!ret && b[0] == 1) {
 546                 ret = DVB_CA_EN50221_POLL_CAM_PRESENT |
 547                       DVB_CA_EN50221_POLL_CAM_READY;
 548         }
 549
 550         mutex_unlock(&state->ca_mutex);
 551         kfree(b);
 552         return ret;
 553 }
 554
 555
 556 static void az6007_ci_uninit(struct dvb_usb_device *d)
 557 {
 558         struct az6007_device_state *state;
 559
 560         pr_debug("%s()\n", __func__);
 561
 562         if (NULL == d)
 563                 return;
 564
 565         state = d_to_priv(d);
 566         if (NULL == state)
 567                 return;
 568
 569         if (NULL == state->ca.data)
 570                 return;
 571
 572         dvb_ca_en50221_release(&state->ca);
 573
 574         memset(&state->ca, 0, sizeof(state->ca));
 575 }
 576
 577
 578 static int az6007_ci_init(struct dvb_usb_adapter *adap)
 579 {
 580         struct dvb_usb_device *d = adap_to_d(adap);
 581         struct az6007_device_state *state = adap_to_priv(adap);
 582         int ret;
 583
 584         pr_debug("%s()\n", __func__);
 585
 586         mutex_init(&state->ca_mutex);
 587         state->ca.owner                 = THIS_MODULE;
 588         state->ca.read_attribute_mem    = az6007_ci_read_attribute_mem;
 589         state->ca.write_attribute_mem   = az6007_ci_write_attribute_mem;
 590         state->ca.read_cam_control      = az6007_ci_read_cam_control;
 591         state->ca.write_cam_control     = az6007_ci_write_cam_control;
 592         state->ca.slot_reset            = az6007_ci_slot_reset;
 593         state->ca.slot_shutdown         = az6007_ci_slot_shutdown;
 594         state->ca.slot_ts_enable        = az6007_ci_slot_ts_enable;
 595         state->ca.poll_slot_status      = az6007_ci_poll_slot_status;
 596         state->ca.data                  = d;
 597
 598         ret = dvb_ca_en50221_init(&adap->dvb_adap,
 599                                   &state->ca,
 600                                   0, /* flags */
 601                                   1);/* n_slots */
 602         if (ret != 0) {
 603                 pr_err("Cannot initialize CI: Error %d.\n", ret);
 604                 memset(&state->ca, 0, sizeof(state->ca));
 605                 return ret;
 606         }
 607
 608         pr_debug("CI initialized.\n");
 609
 610         return 0;
 611 }
 612
 613 static int az6007_read_mac_addr(struct dvb_usb_adapter *adap, u8 mac[6])
 614 {
 615         struct dvb_usb_device *d = adap_to_d(adap);
 616         struct az6007_device_state *st = adap_to_priv(adap);
 617         int ret;
 618
 619         ret = az6007_read(d, AZ6007_READ_DATA, 6, 0, st->data, 6);
 620         memcpy(mac, st->data, 6);
 621
 622         if (ret > 0)
 623                 pr_debug("%s: mac is %pM\n", __func__, mac);
 624
 625         return ret;
 626 }
 627
 628 static int az6007_frontend_attach(struct dvb_usb_adapter *adap)
 629 {
 630         struct az6007_device_state *st = adap_to_priv(adap);
 631         struct dvb_usb_device *d = adap_to_d(adap);
 632
 633         pr_debug("attaching demod drxk\n");
 634
 635         adap->fe[0] = dvb_attach(drxk_attach, &terratec_h7_drxk,
 636                                  &d->i2c_adap);
 637         if (!adap->fe[0])
 638                 return -EINVAL;
 639
 640         adap->fe[0]->sec_priv = adap;
 641         st->gate_ctrl = adap->fe[0]->ops.i2c_gate_ctrl;
 642         adap->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl;
 643
 644         az6007_ci_init(adap);
 645
 646         return 0;
 647 }
 648
 649 static int az6007_cablestar_hdci_frontend_attach(struct dvb_usb_adapter *adap)
 650 {
 651         struct az6007_device_state *st = adap_to_priv(adap);
 652         struct dvb_usb_device *d = adap_to_d(adap);
 653
 654         pr_debug("attaching demod drxk\n");
 655
 656         adap->fe[0] = dvb_attach(drxk_attach, &cablestar_hdci_drxk,
 657                                  &d->i2c_adap);
 658         if (!adap->fe[0])
 659                 return -EINVAL;
 660
 661         adap->fe[0]->sec_priv = adap;
 662         st->gate_ctrl = adap->fe[0]->ops.i2c_gate_ctrl;
 663         adap->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl;
 664
 665         az6007_ci_init(adap);
 666
 667         return 0;
 668 }
 669
 670 static int az6007_tuner_attach(struct dvb_usb_adapter *adap)
 671 {
 672         struct dvb_usb_device *d = adap_to_d(adap);
 673
 674         pr_debug("attaching tuner mt2063\n");
 675
 676         /* Attach mt2063 to DVB-C frontend */
 677         if (adap->fe[0]->ops.i2c_gate_ctrl)
 678                 adap->fe[0]->ops.i2c_gate_ctrl(adap->fe[0], 1);
 679         if (!dvb_attach(mt2063_attach, adap->fe[0],
 680                         &az6007_mt2063_config,
 681                         &d->i2c_adap))
 682                 return -EINVAL;
 683
 684         if (adap->fe[0]->ops.i2c_gate_ctrl)
 685                 adap->fe[0]->ops.i2c_gate_ctrl(adap->fe[0], 0);
 686
 687         return 0;
 688 }
 689
 690 static int az6007_power_ctrl(struct dvb_usb_device *d, int onoff)
 691 {
 692         struct az6007_device_state *state = d_to_priv(d);
 693         int ret;
 694
 695         pr_debug("%s()\n", __func__);
 696
 697         if (!state->warm) {
 698                 mutex_init(&state->mutex);
 699
 700                 ret = az6007_write(d, AZ6007_POWER, 0, 2, NULL, 0);
 701                 if (ret < 0)
 702                         return ret;
 703                 msleep(60);
 704                 ret = az6007_write(d, AZ6007_POWER, 1, 4, NULL, 0);
 705                 if (ret < 0)
 706                         return ret;
 707                 msleep(100);
 708                 ret = az6007_write(d, AZ6007_POWER, 1, 3, NULL, 0);
 709                 if (ret < 0)
 710                         return ret;
 711                 msleep(20);
 712                 ret = az6007_write(d, AZ6007_POWER, 1, 4, NULL, 0);
 713                 if (ret < 0)
 714                         return ret;
 715
 716                 msleep(400);
 717                 ret = az6007_write(d, FX2_SCON1, 0, 3, NULL, 0);
 718                 if (ret < 0)
 719                         return ret;
 720                 msleep(150);
 721                 ret = az6007_write(d, FX2_SCON1, 1, 3, NULL, 0);
 722                 if (ret < 0)
 723                         return ret;
 724                 msleep(430);
 725                 ret = az6007_write(d, AZ6007_POWER, 0, 0, NULL, 0);
 726                 if (ret < 0)
 727                         return ret;
 728
 729                 state->warm = true;
 730
 731                 return 0;
 732         }
 733
 734         if (!onoff)
 735                 return 0;
 736
 737         az6007_write(d, AZ6007_POWER, 0, 0, NULL, 0);
 738         az6007_write(d, AZ6007_TS_THROUGH, 0, 0, NULL, 0);
 739
 740         return 0;
 741 }
 742
 743 /* I2C */
 744 static int az6007_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[],
 745                            int num)
 746 {
 747         struct dvb_usb_device *d = i2c_get_adapdata(adap);
 748         struct az6007_device_state *st = d_to_priv(d);
 749         int i, j, len;
 750         int ret = 0;
 751         u16 index;
 752         u16 value;
 753         int length;
 754         u8 req, addr;
 755
 756         if (mutex_lock_interruptible(&st->mutex) < 0)
 757                 return -EAGAIN;
 758
 759         for (i = 0; i < num; i++) {
 760                 addr = msgs[i].addr << 1;
 761                 if (((i + 1) < num)
 762                     && (msgs[i].len == 1)
 763                     && ((msgs[i].flags & I2C_M_RD) != I2C_M_RD)
 764                     && (msgs[i + 1].flags & I2C_M_RD)
 765                     && (msgs[i].addr == msgs[i + 1].addr)) {
 766                         /*
 767                          * A write + read xfer for the same address, where
 768                          * the first xfer has just 1 byte length.
 769                          * Need to join both into one operation
 770                          */
 771                         if (az6007_xfer_debug)
 772                                 printk(KERN_DEBUG "az6007: I2C W/R addr=0x%x len=%d/%d\n",
 773                                        addr, msgs[i].len, msgs[i + 1].len);
 774                         req = AZ6007_I2C_RD;
 775                         index = msgs[i].buf[0];
 776                         value = addr | (1 << 8);
 777                         length = 6 + msgs[i + 1].len;
 778                         len = msgs[i + 1].len;
 779                         ret = __az6007_read(d->udev, req, value, index,
 780                                             st->data, length);
 781                         if (ret >= len) {
 782                                 for (j = 0; j < len; j++)
 783                                         msgs[i + 1].buf[j] = st->data[j + 5];
 784                         } else
 785                                 ret = -EIO;
 786                         i++;
 787                 } else if (!(msgs[i].flags & I2C_M_RD)) {
 788                         /* write bytes */
 789                         if (az6007_xfer_debug)
 790                                 printk(KERN_DEBUG "az6007: I2C W addr=0x%x len=%d\n",
 791                                        addr, msgs[i].len);
 792                         req = AZ6007_I2C_WR;
 793                         index = msgs[i].buf[0];
 794                         value = addr | (1 << 8);
 795                         length = msgs[i].len - 1;
 796                         len = msgs[i].len - 1;
 797                         for (j = 0; j < len; j++)
 798                                 st->data[j] = msgs[i].buf[j + 1];
 799                         ret =  __az6007_write(d->udev, req, value, index,
 800                                               st->data, length);
 801                 } else {
 802                         /* read bytes */
 803                         if (az6007_xfer_debug)
 804                                 printk(KERN_DEBUG "az6007: I2C R addr=0x%x len=%d\n",
 805                                        addr, msgs[i].len);
 806                         req = AZ6007_I2C_RD;
 807                         index = msgs[i].buf[0];
 808                         value = addr;
 809                         length = msgs[i].len + 6;
 810                         len = msgs[i].len;
 811                         ret = __az6007_read(d->udev, req, value, index,
 812                                             st->data, length);
 813                         for (j = 0; j < len; j++)
 814                                 msgs[i].buf[j] = st->data[j + 5];
 815                 }
 816                 if (ret < 0)
 817                         goto err;
 818         }
 819 err:
 820         mutex_unlock(&st->mutex);
 821
 822         if (ret < 0) {
 823                 pr_info("%s ERROR: %i\n", __func__, ret);
 824                 return ret;
 825         }
 826         return num;
 827 }
 828
 829 static u32 az6007_i2c_func(struct i2c_adapter *adapter)
 830 {
 831         return I2C_FUNC_I2C;
 832 }
 833
 834 static struct i2c_algorithm az6007_i2c_algo = {
 835         .master_xfer = az6007_i2c_xfer,
 836         .functionality = az6007_i2c_func,
 837 };
 838
 839 static int az6007_identify_state(struct dvb_usb_device *d, const char **name)
 840 {
 841         int ret;
 842         u8 *mac;
 843
 844         pr_debug("Identifying az6007 state\n");
 845
 846         mac = kmalloc(6, GFP_ATOMIC);
 847         if (!mac)
 848                 return -ENOMEM;
 849
 850         /* Try to read the mac address */
 851         ret = __az6007_read(d->udev, AZ6007_READ_DATA, 6, 0, mac, 6);
 852         if (ret == 6)
 853                 ret = WARM;
 854         else
 855                 ret = COLD;
 856
 857         kfree(mac);
 858
 859         if (ret == COLD) {
 860                 __az6007_write(d->udev, 0x09, 1, 0, NULL, 0);
 861                 __az6007_write(d->udev, 0x00, 0, 0, NULL, 0);
 862                 __az6007_write(d->udev, 0x00, 0, 0, NULL, 0);
 863         }
 864
 865         pr_debug("Device is on %s state\n",
 866                  ret == WARM ? "warm" : "cold");
 867         return ret;
 868 }
 869
 870 static void az6007_usb_disconnect(struct usb_interface *intf)
 871 {
 872         struct dvb_usb_device *d = usb_get_intfdata(intf);
 873         az6007_ci_uninit(d);
 874         dvb_usbv2_disconnect(intf);
 875 }
 876
 877 static int az6007_download_firmware(struct dvb_usb_device *d,
 878         const struct firmware *fw)
 879 {
 880         pr_debug("Loading az6007 firmware\n");
 881
 882         return cypress_load_firmware(d->udev, fw, CYPRESS_FX2);
 883 }
 884
 885 /* DVB USB Driver stuff */
 886 static struct dvb_usb_device_properties az6007_props = {
 887         .driver_name         = KBUILD_MODNAME,
 888         .owner               = THIS_MODULE,
 889         .firmware            = AZ6007_FIRMWARE,
 890
 891         .adapter_nr          = adapter_nr,
 892         .size_of_priv        = sizeof(struct az6007_device_state),
 893         .i2c_algo            = &az6007_i2c_algo,
 894         .tuner_attach        = az6007_tuner_attach,
 895         .frontend_attach     = az6007_frontend_attach,
 896         .streaming_ctrl      = az6007_streaming_ctrl,
 897         .get_rc_config       = az6007_get_rc_config,
 898         .read_mac_address    = az6007_read_mac_addr,
 899         .download_firmware   = az6007_download_firmware,
 900         .identify_state      = az6007_identify_state,
 901         .power_ctrl          = az6007_power_ctrl,
 902         .num_adapters        = 1,
 903         .adapter             = {
 904                 { .stream = DVB_USB_STREAM_BULK(0x02, 10, 4096), }
 905         }
 906 };
 907
 908 static struct dvb_usb_device_properties az6007_cablestar_hdci_props = {
 909         .driver_name         = KBUILD_MODNAME,
 910         .owner               = THIS_MODULE,
 911         .firmware            = AZ6007_FIRMWARE,
 912
 913         .adapter_nr          = adapter_nr,
 914         .size_of_priv        = sizeof(struct az6007_device_state),
 915         .i2c_algo            = &az6007_i2c_algo,
 916         .tuner_attach        = az6007_tuner_attach,
 917         .frontend_attach     = az6007_cablestar_hdci_frontend_attach,
 918         .streaming_ctrl      = az6007_streaming_ctrl,
 919 /* ditch get_rc_config as it can't work (TS35 remote, I believe it's rc5) */
 920         .get_rc_config       = NULL,
 921         .read_mac_address    = az6007_read_mac_addr,
 922         .download_firmware   = az6007_download_firmware,
 923         .identify_state      = az6007_identify_state,
 924         .power_ctrl          = az6007_power_ctrl,
 925         .num_adapters        = 1,
 926         .adapter             = {
 927                 { .stream = DVB_USB_STREAM_BULK(0x02, 10, 4096), }
 928         }
 929 };
 930
 931 static struct usb_device_id az6007_usb_table[] = {
 932         {DVB_USB_DEVICE(USB_VID_AZUREWAVE, USB_PID_AZUREWAVE_6007,
 933                 &az6007_props, "Azurewave 6007", RC_MAP_EMPTY)},
 934         {DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_H7,
 935                 &az6007_props, "Terratec H7", RC_MAP_NEC_TERRATEC_CINERGY_XS)},
 936         {DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_H7_2,
 937                 &az6007_props, "Terratec H7", RC_MAP_NEC_TERRATEC_CINERGY_XS)},
 938         {DVB_USB_DEVICE(USB_VID_TECHNISAT, USB_PID_TECHNISAT_USB2_CABLESTAR_HDCI,
 939                 &az6007_cablestar_hdci_props, "Technisat CableStar Combo HD CI", RC_MAP_EMPTY)},
 940         {0},
 941 };
 942
 943 MODULE_DEVICE_TABLE(usb, az6007_usb_table);
 944
 945 static int az6007_suspend(struct usb_interface *intf, pm_message_t msg)
 946 {
 947         struct dvb_usb_device *d = usb_get_intfdata(intf);
 948
 949         az6007_ci_uninit(d);
 950         return dvb_usbv2_suspend(intf, msg);
 951 }
 952
 953 static int az6007_resume(struct usb_interface *intf)
 954 {
 955         struct dvb_usb_device *d = usb_get_intfdata(intf);
 956         struct dvb_usb_adapter *adap = &d->adapter[0];
 957
 958         az6007_ci_init(adap);
 959         return dvb_usbv2_resume(intf);
 960 }
 961
 962 /* usb specific object needed to register this driver with the usb subsystem */
 963 static struct usb_driver az6007_usb_driver = {
 964         .name           = KBUILD_MODNAME,
 965         .id_table       = az6007_usb_table,
 966         .probe          = dvb_usbv2_probe,
 967         .disconnect     = az6007_usb_disconnect,
 968         .no_dynamic_id  = 1,
 969         .soft_unbind    = 1,
 970         /*
 971          * FIXME: need to implement reset_resume, likely with
 972          * dvb-usb-v2 core support
 973          */
 974         .suspend        = az6007_suspend,
 975         .resume         = az6007_resume,
 976 };
 977
 978 module_usb_driver(az6007_usb_driver);
 979
 980 MODULE_AUTHOR("Henry Wang <Henry.wang@AzureWave.com>");
 981 MODULE_AUTHOR("Mauro Carvalho Chehab");
 982 MODULE_DESCRIPTION("Driver for AzureWave 6007 DVB-C/T USB2.0 and clones");
 983 MODULE_VERSION("2.0");
 984 MODULE_LICENSE("GPL");
 985 MODULE_FIRMWARE(AZ6007_FIRMWARE);