drivers/media/dvb/dvb-usb/cxusb.c

   1 /* DVB USB compliant linux driver for Conexant USB reference design.
   2  *
   3  * The Conexant reference design I saw on their website was only for analogue
   4  * capturing (using the cx25842). The box I took to write this driver (reverse
   5  * engineered) is the one labeled Medion MD95700. In addition to the cx25842
   6  * for analogue capturing it also has a cx22702 DVB-T demodulator on the main
   7  * board. Besides it has a atiremote (X10) and a USB2.0 hub onboard.
   8  *
   9  * Maybe it is a little bit premature to call this driver cxusb, but I assume
  10  * the USB protocol is identical or at least inherited from the reference
  11  * design, so it can be reused for the "analogue-only" device (if it will
  12  * appear at all).
  13  *
  14  * Use the cx25840-driver for the analogue part
  15  *
  16  * Copyright (C) 2005 Patrick Boettcher (patrick.boettcher@desy.de)
  17  * Copyright (C) 2005 Michael Krufky (mkrufky@m1k.net)
  18  * Copyright (C) 2006 Chris Pascoe (c.pascoe@itee.uq.edu.au)
  19  *
  20  *      This program is free software; you can redistribute it and/or modify it
  21  *      under the terms of the GNU General Public License as published by the Free
  22  *      Software Foundation, version 2.
  23  *
  24  * see Documentation/dvb/README.dvb-usb for more information
  25  */
  26 #include "cxusb.h"
  27
  28 #include "cx22702.h"
  29 #include "lgdt330x.h"
  30 #include "mt352.h"
  31 #include "mt352_priv.h"
  32
  33 /* debug */
  34 int dvb_usb_cxusb_debug;
  35 module_param_named(debug,dvb_usb_cxusb_debug, int, 0644);
  36 MODULE_PARM_DESC(debug, "set debugging level (1=rc (or-able))." DVB_USB_DEBUG_STATUS);
  37
  38 static int cxusb_ctrl_msg(struct dvb_usb_device *d,
  39                 u8 cmd, u8 *wbuf, int wlen, u8 *rbuf, int rlen)
  40 {
  41         int wo = (rbuf == NULL || rlen == 0); /* write-only */
  42         u8 sndbuf[1+wlen];
  43         memset(sndbuf,0,1+wlen);
  44
  45         sndbuf[0] = cmd;
  46         memcpy(&sndbuf[1],wbuf,wlen);
  47         if (wo)
  48                 dvb_usb_generic_write(d,sndbuf,1+wlen);
  49         else
  50                 dvb_usb_generic_rw(d,sndbuf,1+wlen,rbuf,rlen,0);
  51
  52         return 0;
  53 }
  54
  55 /* GPIO */
  56 static void cxusb_gpio_tuner(struct dvb_usb_device *d, int onoff)
  57 {
  58         struct cxusb_state *st = d->priv;
  59         u8 o[2],i;
  60
  61         if (st->gpio_write_state[GPIO_TUNER] == onoff)
  62                 return;
  63
  64         o[0] = GPIO_TUNER;
  65         o[1] = onoff;
  66         cxusb_ctrl_msg(d,CMD_GPIO_WRITE,o,2,&i,1);
  67
  68         if (i != 0x01)
  69                 deb_info("gpio_write failed.\n");
  70
  71         st->gpio_write_state[GPIO_TUNER] = onoff;
  72 }
  73
  74 /* I2C */
  75 static int cxusb_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num)
  76 {
  77         struct dvb_usb_device *d = i2c_get_adapdata(adap);
  78         int i;
  79
  80         if (down_interruptible(&d->i2c_sem) < 0)
  81                 return -EAGAIN;
  82
  83         if (num > 2)
  84                 warn("more than 2 i2c messages at a time is not handled yet. TODO.");
  85
  86         for (i = 0; i < num; i++) {
  87
  88                 switch (msg[i].addr) {
  89                         case 0x63:
  90                                 cxusb_gpio_tuner(d,0);
  91                                 break;
  92                         default:
  93                                 cxusb_gpio_tuner(d,1);
  94                                 break;
  95                 }
  96
  97                 /* read request */
  98                 if (i+1 < num && (msg[i+1].flags & I2C_M_RD)) {
  99                         u8 obuf[3+msg[i].len], ibuf[1+msg[i+1].len];
 100                         obuf[0] = msg[i].len;
 101                         obuf[1] = msg[i+1].len;
 102                         obuf[2] = msg[i].addr;
 103                         memcpy(&obuf[3],msg[i].buf,msg[i].len);
 104
 105                         if (cxusb_ctrl_msg(d, CMD_I2C_READ,
 106                                                 obuf, 3+msg[i].len,
 107                                                 ibuf, 1+msg[i+1].len) < 0)
 108                                 break;
 109
 110                         if (ibuf[0] != 0x08)
 111                                 deb_info("i2c read could have been failed\n");
 112
 113                         memcpy(msg[i+1].buf,&ibuf[1],msg[i+1].len);
 114
 115                         i++;
 116                 } else { /* write */
 117                         u8 obuf[2+msg[i].len], ibuf;
 118                         obuf[0] = msg[i].addr;
 119                         obuf[1] = msg[i].len;
 120                         memcpy(&obuf[2],msg[i].buf,msg[i].len);
 121
 122                         if (cxusb_ctrl_msg(d,CMD_I2C_WRITE, obuf, 2+msg[i].len, &ibuf,1) < 0)
 123                                 break;
 124                         if (ibuf != 0x08)
 125                                 deb_info("i2c write could have been failed\n");
 126                 }
 127         }
 128
 129         up(&d->i2c_sem);
 130         return i;
 131 }
 132
 133 static u32 cxusb_i2c_func(struct i2c_adapter *adapter)
 134 {
 135         return I2C_FUNC_I2C;
 136 }
 137
 138 static struct i2c_algorithm cxusb_i2c_algo = {
 139         .master_xfer   = cxusb_i2c_xfer,
 140         .functionality = cxusb_i2c_func,
 141 };
 142
 143 static int cxusb_power_ctrl(struct dvb_usb_device *d, int onoff)
 144 {
 145         u8 b = 0;
 146         if (onoff)
 147                 return cxusb_ctrl_msg(d, CMD_POWER_ON, &b, 1, NULL, 0);
 148         else
 149                 return cxusb_ctrl_msg(d, CMD_POWER_OFF, &b, 1, NULL, 0);
 150 }
 151
 152 static int cxusb_streaming_ctrl(struct dvb_usb_device *d, int onoff)
 153 {
 154         u8 buf[2] = { 0x03, 0x00 };
 155         if (onoff)
 156                 cxusb_ctrl_msg(d,CMD_STREAMING_ON, buf, 2, NULL, 0);
 157         else
 158                 cxusb_ctrl_msg(d,CMD_STREAMING_OFF, NULL, 0, NULL, 0);
 159
 160         return 0;
 161 }
 162
 163 static int cxusb_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
 164 {
 165         struct dvb_usb_rc_key *keymap = d->props.rc_key_map;
 166         u8 ircode[4];
 167         int i;
 168
 169         cxusb_ctrl_msg(d, CMD_GET_IR_CODE, NULL, 0, ircode, 4);
 170
 171         *event = 0;
 172         *state = REMOTE_NO_KEY_PRESSED;
 173
 174         for (i = 0; i < d->props.rc_key_map_size; i++) {
 175                 if (keymap[i].custom == ircode[2] &&
 176                     keymap[i].data == ircode[3]) {
 177                         *event = keymap[i].event;
 178                         *state = REMOTE_KEY_PRESSED;
 179
 180                         return 0;
 181                 }
 182         }
 183
 184         return 0;
 185 }
 186
 187 struct dvb_usb_rc_key dvico_mce_rc_keys[] = {
 188         { 0xfe, 0x02, KEY_TV },
 189         { 0xfe, 0x0e, KEY_MP3 },
 190         { 0xfe, 0x1a, KEY_DVD },
 191         { 0xfe, 0x1e, KEY_FAVORITES },
 192         { 0xfe, 0x16, KEY_SETUP },
 193         { 0xfe, 0x46, KEY_POWER2 },
 194         { 0xfe, 0x0a, KEY_EPG },
 195         { 0xfe, 0x49, KEY_BACK },
 196         { 0xfe, 0x4d, KEY_MENU },
 197         { 0xfe, 0x51, KEY_UP },
 198         { 0xfe, 0x5b, KEY_LEFT },
 199         { 0xfe, 0x5f, KEY_RIGHT },
 200         { 0xfe, 0x53, KEY_DOWN },
 201         { 0xfe, 0x5e, KEY_OK },
 202         { 0xfe, 0x59, KEY_INFO },
 203         { 0xfe, 0x55, KEY_TAB },
 204         { 0xfe, 0x0f, KEY_PREVIOUSSONG },/* Replay */
 205         { 0xfe, 0x12, KEY_NEXTSONG },   /* Skip */
 206         { 0xfe, 0x42, KEY_ENTER  },     /* Windows/Start */
 207         { 0xfe, 0x15, KEY_VOLUMEUP },
 208         { 0xfe, 0x05, KEY_VOLUMEDOWN },
 209         { 0xfe, 0x11, KEY_CHANNELUP },
 210         { 0xfe, 0x09, KEY_CHANNELDOWN },
 211         { 0xfe, 0x52, KEY_CAMERA },
 212         { 0xfe, 0x5a, KEY_TUNER },      /* Live */
 213         { 0xfe, 0x19, KEY_OPEN },
 214         { 0xfe, 0x0b, KEY_1 },
 215         { 0xfe, 0x17, KEY_2 },
 216         { 0xfe, 0x1b, KEY_3 },
 217         { 0xfe, 0x07, KEY_4 },
 218         { 0xfe, 0x50, KEY_5 },
 219         { 0xfe, 0x54, KEY_6 },
 220         { 0xfe, 0x48, KEY_7 },
 221         { 0xfe, 0x4c, KEY_8 },
 222         { 0xfe, 0x58, KEY_9 },
 223         { 0xfe, 0x13, KEY_ANGLE },      /* Aspect */
 224         { 0xfe, 0x03, KEY_0 },
 225         { 0xfe, 0x1f, KEY_ZOOM },
 226         { 0xfe, 0x43, KEY_REWIND },
 227         { 0xfe, 0x47, KEY_PLAYPAUSE },
 228         { 0xfe, 0x4f, KEY_FASTFORWARD },
 229         { 0xfe, 0x57, KEY_MUTE },
 230         { 0xfe, 0x0d, KEY_STOP },
 231         { 0xfe, 0x01, KEY_RECORD },
 232         { 0xfe, 0x4e, KEY_POWER },
 233 };
 234
 235 static int cxusb_dee1601_demod_init(struct dvb_frontend* fe)
 236 {
 237         static u8 clock_config []  = { CLOCK_CTL,  0x38, 0x38 };
 238         static u8 reset []         = { RESET,      0x80 };
 239         static u8 adc_ctl_1_cfg [] = { ADC_CTL_1,  0x40 };
 240         static u8 agc_cfg []       = { AGC_TARGET, 0x28, 0x20 };
 241         static u8 gpp_ctl_cfg []   = { GPP_CTL,    0x33 };
 242         static u8 capt_range_cfg[] = { CAPT_RANGE, 0x32 };
 243
 244         mt352_write(fe, clock_config,   sizeof(clock_config));
 245         udelay(200);
 246         mt352_write(fe, reset,          sizeof(reset));
 247         mt352_write(fe, adc_ctl_1_cfg,  sizeof(adc_ctl_1_cfg));
 248
 249         mt352_write(fe, agc_cfg,        sizeof(agc_cfg));
 250         mt352_write(fe, gpp_ctl_cfg,    sizeof(gpp_ctl_cfg));
 251         mt352_write(fe, capt_range_cfg, sizeof(capt_range_cfg));
 252
 253         return 0;
 254 }
 255
 256 struct cx22702_config cxusb_cx22702_config = {
 257         .demod_address = 0x63,
 258
 259         .output_mode = CX22702_PARALLEL_OUTPUT,
 260
 261         .pll_init = dvb_usb_pll_init_i2c,
 262         .pll_set  = dvb_usb_pll_set_i2c,
 263 };
 264
 265 struct lgdt330x_config cxusb_lgdt330x_config = {
 266         .demod_address = 0x0e,
 267         .demod_chip    = LGDT3303,
 268         .pll_set       = dvb_usb_pll_set_i2c,
 269 };
 270
 271 struct mt352_config cxusb_dee1601_config = {
 272         .demod_address = 0x0f,
 273         .demod_init    = cxusb_dee1601_demod_init,
 274         .pll_set       = dvb_usb_pll_set,
 275 };
 276
 277 /* Callbacks for DVB USB */
 278 static int cxusb_fmd1216me_tuner_attach(struct dvb_usb_device *d)
 279 {
 280         u8 bpll[4] = { 0x0b, 0xdc, 0x9c, 0xa0 };
 281         d->pll_addr = 0x61;
 282         memcpy(d->pll_init, bpll, 4);
 283         d->pll_desc = &dvb_pll_fmd1216me;
 284         return 0;
 285 }
 286
 287 static int cxusb_lgh064f_tuner_attach(struct dvb_usb_device *d)
 288 {
 289         u8 bpll[4] = { 0x00, 0x00, 0x18, 0x50 };
 290         /* bpll[2] : unset bit 3, set bits 4&5
 291            bpll[3] : 0x50 - digital, 0x20 - analog */
 292         d->pll_addr = 0x61;
 293         memcpy(d->pll_init, bpll, 4);
 294         d->pll_desc = &dvb_pll_tdvs_tua6034;
 295         return 0;
 296 }
 297
 298 static int cxusb_dee1601_tuner_attach(struct dvb_usb_device *d)
 299 {
 300         d->pll_addr = 0x61;
 301         d->pll_desc = &dvb_pll_thomson_dtt7579;
 302         return 0;
 303 }
 304
 305 static int cxusb_cx22702_frontend_attach(struct dvb_usb_device *d)
 306 {
 307         u8 b;
 308         if (usb_set_interface(d->udev,0,6) < 0)
 309                 err("set interface failed");
 310
 311         cxusb_ctrl_msg(d,CMD_DIGITAL, NULL, 0, &b, 1);
 312
 313         if ((d->fe = cx22702_attach(&cxusb_cx22702_config, &d->i2c_adap)) != NULL)
 314                 return 0;
 315
 316         return -EIO;
 317 }
 318
 319 static int cxusb_lgdt330x_frontend_attach(struct dvb_usb_device *d)
 320 {
 321         if (usb_set_interface(d->udev,0,7) < 0)
 322                 err("set interface failed");
 323
 324         cxusb_ctrl_msg(d,CMD_DIGITAL, NULL, 0, NULL, 0);
 325
 326         if ((d->fe = lgdt330x_attach(&cxusb_lgdt330x_config, &d->i2c_adap)) != NULL)
 327                 return 0;
 328
 329         return -EIO;
 330 }
 331
 332 static int cxusb_dee1601_frontend_attach(struct dvb_usb_device *d)
 333 {
 334         if (usb_set_interface(d->udev,0,0) < 0)
 335                 err("set interface failed");
 336
 337         cxusb_ctrl_msg(d,CMD_DIGITAL, NULL, 0, NULL, 0);
 338
 339         if ((d->fe = mt352_attach(&cxusb_dee1601_config, &d->i2c_adap)) != NULL)
 340                 return 0;
 341
 342         return -EIO;
 343 }
 344
 345 /*
 346  * DViCO bluebird firmware needs the "warm" product ID to be patched into the
 347  * firmware file before download.
 348  */
 349
 350 #define BLUEBIRD_01_ID_OFFSET 6638
 351 static int bluebird_patch_dvico_firmware_download(struct usb_device *udev, const struct firmware *fw)
 352 {
 353         if (fw->size < BLUEBIRD_01_ID_OFFSET + 4)
 354                 return -EINVAL;
 355
 356         if (fw->data[BLUEBIRD_01_ID_OFFSET] == (USB_VID_DVICO & 0xff) &&
 357             fw->data[BLUEBIRD_01_ID_OFFSET + 1] == USB_VID_DVICO >> 8) {
 358
 359                 /* FIXME: are we allowed to change the fw-data ? */
 360                 fw->data[BLUEBIRD_01_ID_OFFSET + 2] = udev->descriptor.idProduct + 1;
 361                 fw->data[BLUEBIRD_01_ID_OFFSET + 3] = udev->descriptor.idProduct >> 8;
 362
 363                 return usb_cypress_load_firmware(udev,fw,CYPRESS_FX2);
 364         }
 365
 366         return -EINVAL;
 367 }
 368
 369 /* DVB USB Driver stuff */
 370 static struct dvb_usb_properties cxusb_medion_properties;
 371 static struct dvb_usb_properties cxusb_bluebird_lgh064f_properties;
 372 static struct dvb_usb_properties cxusb_bluebird_dee1601_properties;
 373
 374 static int cxusb_probe(struct usb_interface *intf,
 375                 const struct usb_device_id *id)
 376 {
 377         if (dvb_usb_device_init(intf,&cxusb_medion_properties,THIS_MODULE,NULL) == 0 ||
 378                 dvb_usb_device_init(intf,&cxusb_bluebird_lgh064f_properties,THIS_MODULE,NULL) == 0 ||
 379                 dvb_usb_device_init(intf,&cxusb_bluebird_dee1601_properties,THIS_MODULE,NULL) == 0) {
 380                 return 0;
 381         }
 382
 383         return -EINVAL;
 384 }
 385
 386 static struct usb_device_id cxusb_table [] = {
 387                 { USB_DEVICE(USB_VID_MEDION, USB_PID_MEDION_MD95700) },
 388                 { USB_DEVICE(USB_VID_DVICO, USB_PID_DVICO_BLUEBIRD_LG064F_COLD) },
 389                 { USB_DEVICE(USB_VID_DVICO, USB_PID_DVICO_BLUEBIRD_LG064F_WARM) },
 390                 { USB_DEVICE(USB_VID_DVICO, USB_PID_DVICO_BLUEBIRD_DEE1601_COLD) },
 391                 { USB_DEVICE(USB_VID_DVICO, USB_PID_DVICO_BLUEBIRD_DEE1601_WARM) },
 392                 {}              /* Terminating entry */
 393 };
 394 MODULE_DEVICE_TABLE (usb, cxusb_table);
 395
 396 static struct dvb_usb_properties cxusb_medion_properties = {
 397         .caps = DVB_USB_IS_AN_I2C_ADAPTER,
 398
 399         .usb_ctrl = CYPRESS_FX2,
 400
 401         .size_of_priv     = sizeof(struct cxusb_state),
 402
 403         .streaming_ctrl   = cxusb_streaming_ctrl,
 404         .power_ctrl       = cxusb_power_ctrl,
 405         .frontend_attach  = cxusb_cx22702_frontend_attach,
 406         .tuner_attach     = cxusb_fmd1216me_tuner_attach,
 407
 408         .i2c_algo         = &cxusb_i2c_algo,
 409
 410         .generic_bulk_ctrl_endpoint = 0x01,
 411         /* parameter for the MPEG2-data transfer */
 412         .urb = {
 413                 .type = DVB_USB_BULK,
 414                 .count = 5,
 415                 .endpoint = 0x02,
 416                 .u = {
 417                         .bulk = {
 418                                 .buffersize = 8192,
 419                         }
 420                 }
 421         },
 422
 423         .num_device_descs = 1,
 424         .devices = {
 425                 {   "Medion MD95700 (MDUSBTV-HYBRID)",
 426                         { NULL },
 427                         { &cxusb_table[0], NULL },
 428                 },
 429         }
 430 };
 431
 432 static struct dvb_usb_properties cxusb_bluebird_lgh064f_properties = {
 433         .caps = DVB_USB_IS_AN_I2C_ADAPTER,
 434
 435         .usb_ctrl          = DEVICE_SPECIFIC,
 436         .firmware          = "dvb-usb-bluebird-01.fw",
 437         .download_firmware = bluebird_patch_dvico_firmware_download,
 438         /* use usb alt setting 0 for EP4 transfer (dvb-t),
 439            use usb alt setting 7 for EP2 transfer (atsc) */
 440
 441         .size_of_priv     = sizeof(struct cxusb_state),
 442
 443         .streaming_ctrl   = cxusb_streaming_ctrl,
 444         .power_ctrl       = cxusb_power_ctrl,
 445         .frontend_attach  = cxusb_lgdt330x_frontend_attach,
 446         .tuner_attach     = cxusb_lgh064f_tuner_attach,
 447
 448         .i2c_algo         = &cxusb_i2c_algo,
 449
 450         .generic_bulk_ctrl_endpoint = 0x01,
 451         /* parameter for the MPEG2-data transfer */
 452         .urb = {
 453                 .type = DVB_USB_BULK,
 454                 .count = 5,
 455                 .endpoint = 0x02,
 456                 .u = {
 457                         .bulk = {
 458                                 .buffersize = 8192,
 459                         }
 460                 }
 461         },
 462
 463         .num_device_descs = 1,
 464         .devices = {
 465                 {   "DViCO FusionHDTV5 USB Gold",
 466                         { &cxusb_table[1], NULL },
 467                         { &cxusb_table[2], NULL },
 468                 },
 469         }
 470 };
 471
 472 static struct dvb_usb_properties cxusb_bluebird_dee1601_properties = {
 473         .caps = DVB_USB_IS_AN_I2C_ADAPTER,
 474
 475         .usb_ctrl          = DEVICE_SPECIFIC,
 476         .firmware          = "dvb-usb-bluebird-01.fw",
 477         .download_firmware = bluebird_patch_dvico_firmware_download,
 478         /* use usb alt setting 0 for EP4 transfer (dvb-t),
 479            use usb alt setting 7 for EP2 transfer (atsc) */
 480
 481         .size_of_priv     = sizeof(struct cxusb_state),
 482
 483         .streaming_ctrl   = cxusb_streaming_ctrl,
 484         .power_ctrl       = cxusb_power_ctrl,
 485         .frontend_attach  = cxusb_dee1601_frontend_attach,
 486         .tuner_attach     = cxusb_dee1601_tuner_attach,
 487
 488         .i2c_algo         = &cxusb_i2c_algo,
 489
 490         .rc_interval      = 150,
 491         .rc_key_map       = dvico_mce_rc_keys,
 492         .rc_key_map_size  = ARRAY_SIZE(dvico_mce_rc_keys),
 493         .rc_query         = cxusb_rc_query,
 494
 495         .generic_bulk_ctrl_endpoint = 0x01,
 496         /* parameter for the MPEG2-data transfer */
 497         .urb = {
 498                 .type = DVB_USB_BULK,
 499                 .count = 5,
 500                 .endpoint = 0x04,
 501                 .u = {
 502                         .bulk = {
 503                                 .buffersize = 8192,
 504                         }
 505                 }
 506         },
 507
 508         .num_device_descs = 1,
 509         .devices = {
 510                 {   "DViCO FusionHDTV DVB-T Dual USB",
 511                         { &cxusb_table[3], NULL },
 512                         { &cxusb_table[4], NULL },
 513                 },
 514         }
 515 };
 516
 517 static struct usb_driver cxusb_driver = {
 518         .name           = "dvb_usb_cxusb",
 519         .probe          = cxusb_probe,
 520         .disconnect = dvb_usb_device_exit,
 521         .id_table       = cxusb_table,
 522 };
 523
 524 /* module stuff */
 525 static int __init cxusb_module_init(void)
 526 {
 527         int result;
 528         if ((result = usb_register(&cxusb_driver))) {
 529                 err("usb_register failed. Error number %d",result);
 530                 return result;
 531         }
 532
 533         return 0;
 534 }
 535
 536 static void __exit cxusb_module_exit(void)
 537 {
 538         /* deregister this driver from the USB subsystem */
 539         usb_deregister(&cxusb_driver);
 540 }
 541
 542 module_init (cxusb_module_init);
 543 module_exit (cxusb_module_exit);
 544
 545 MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>");
 546 MODULE_DESCRIPTION("Driver for Conexant USB2.0 hybrid reference design");
 547 MODULE_VERSION("1.0-alpha");
 548 MODULE_LICENSE("GPL");