drivers/media/dvb/dvb-usb/ttusb2.c

   1 /* DVB USB compliant linux driver for Technotrend DVB USB boxes and clones
   2  * (e.g. Pinnacle 400e DVB-S USB2.0).
   3  *
   4  * The Pinnacle 400e uses the same protocol as the Technotrend USB1.1 boxes.
   5  *
   6  * TDA8263 + TDA10086
   7  *
   8  * I2C addresses:
   9  * 0x08 - LNBP21PD   - LNB power supply
  10  * 0x0e - TDA10086   - Demodulator
  11  * 0x50 - FX2 eeprom
  12  * 0x60 - TDA8263    - Tuner
  13  * 0x78 ???
  14  *
  15  * Copyright (c) 2002 Holger Waechtler <holger@convergence.de>
  16  * Copyright (c) 2003 Felix Domke <tmbinc@elitedvb.net>
  17  * Copyright (C) 2005-6 Patrick Boettcher <pb@linuxtv.org>
  18  *
  19  *      This program is free software; you can redistribute it and/or modify it
  20  *      under the terms of the GNU General Public License as published by the Free
  21  *      Software Foundation, version 2.
  22  *
  23  * see Documentation/dvb/README.dvb-usb for more information
  24  */
  25 #define DVB_USB_LOG_PREFIX "ttusb2"
  26 #include "dvb-usb.h"
  27
  28 #include "ttusb2.h"
  29
  30 #include "tda826x.h"
  31 #include "tda10086.h"
  32 #include "tda1002x.h"
  33 #include "tda827x.h"
  34 #include "lnbp21.h"
  35
  36 /* debug */
  37 static int dvb_usb_ttusb2_debug;
  38 #define deb_info(args...)   dprintk(dvb_usb_ttusb2_debug,0x01,args)
  39 module_param_named(debug,dvb_usb_ttusb2_debug, int, 0644);
  40 MODULE_PARM_DESC(debug, "set debugging level (1=info (or-able))." DVB_USB_DEBUG_STATUS);
  41
  42 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
  43
  44 struct ttusb2_state {
  45         u8 id;
  46         u16 last_rc_key;
  47 };
  48
  49 static int ttusb2_msg(struct dvb_usb_device *d, u8 cmd,
  50                 u8 *wbuf, int wlen, u8 *rbuf, int rlen)
  51 {
  52         struct ttusb2_state *st = d->priv;
  53         u8 s[wlen+4],r[64] = { 0 };
  54         int ret = 0;
  55
  56         memset(s,0,wlen+4);
  57
  58         s[0] = 0xaa;
  59         s[1] = ++st->id;
  60         s[2] = cmd;
  61         s[3] = wlen;
  62         memcpy(&s[4],wbuf,wlen);
  63
  64         ret = dvb_usb_generic_rw(d, s, wlen+4, r, 64, 0);
  65
  66         if (ret  != 0 ||
  67                 r[0] != 0x55 ||
  68                 r[1] != s[1] ||
  69                 r[2] != cmd ||
  70                 (rlen > 0 && r[3] != rlen)) {
  71                 warn("there might have been an error during control message transfer. (rlen = %d, was %d)",rlen,r[3]);
  72                 return -EIO;
  73         }
  74
  75         if (rlen > 0)
  76                 memcpy(rbuf, &r[4], rlen);
  77
  78         return 0;
  79 }
  80
  81 static int ttusb2_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num)
  82 {
  83         struct dvb_usb_device *d = i2c_get_adapdata(adap);
  84         static u8 obuf[60], ibuf[60];
  85         int i,read;
  86
  87         if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
  88                 return -EAGAIN;
  89
  90         if (num > 2)
  91                 warn("more than 2 i2c messages at a time is not handled yet. TODO.");
  92
  93         for (i = 0; i < num; i++) {
  94                 read = i+1 < num && (msg[i+1].flags & I2C_M_RD);
  95
  96                 obuf[0] = (msg[i].addr << 1) | read;
  97                 obuf[1] = msg[i].len;
  98
  99                 /* read request */
 100                 if (read)
 101                         obuf[2] = msg[i+1].len;
 102                 else
 103                         obuf[2] = 0;
 104
 105                 memcpy(&obuf[3],msg[i].buf,msg[i].len);
 106
 107                 if (ttusb2_msg(d, CMD_I2C_XFER, obuf, msg[i].len+3, ibuf, obuf[2] + 3) < 0) {
 108                         err("i2c transfer failed.");
 109                         break;
 110                 }
 111
 112                 if (read) {
 113                         memcpy(msg[i+1].buf,&ibuf[3],msg[i+1].len);
 114                         i++;
 115                 }
 116         }
 117
 118         mutex_unlock(&d->i2c_mutex);
 119         return i;
 120 }
 121
 122 static u32 ttusb2_i2c_func(struct i2c_adapter *adapter)
 123 {
 124         return I2C_FUNC_I2C;
 125 }
 126
 127 static struct i2c_algorithm ttusb2_i2c_algo = {
 128         .master_xfer   = ttusb2_i2c_xfer,
 129         .functionality = ttusb2_i2c_func,
 130 };
 131
 132 /* command to poll IR receiver (copied from pctv452e.c) */
 133 #define CMD_GET_IR_CODE     0x1b
 134
 135 /* IR */
 136 static int tt3650_rc_query(struct dvb_usb_device *d)
 137 {
 138         int ret;
 139         u8 rx[9]; /* A CMD_GET_IR_CODE reply is 9 bytes long */
 140         struct ttusb2_state *st = d->priv;
 141         ret = ttusb2_msg(d, CMD_GET_IR_CODE, NULL, 0, rx, sizeof(rx));
 142         if (ret != 0)
 143                 return ret;
 144
 145         if (rx[8] & 0x01) {
 146                 /* got a "press" event */
 147                 st->last_rc_key = (rx[3] << 8) | rx[2];
 148                 deb_info("%s: cmd=0x%02x sys=0x%02x\n", __func__, rx[2], rx[3]);
 149                 rc_keydown(d->rc_dev, st->last_rc_key, 0);
 150         } else if (st->last_rc_key) {
 151                 rc_keyup(d->rc_dev);
 152                 st->last_rc_key = 0;
 153         }
 154
 155         return 0;
 156 }
 157
 158
 159 /* Callbacks for DVB USB */
 160 static int ttusb2_identify_state (struct usb_device *udev, struct
 161                 dvb_usb_device_properties *props, struct dvb_usb_device_description **desc,
 162                 int *cold)
 163 {
 164         *cold = udev->descriptor.iManufacturer == 0 && udev->descriptor.iProduct == 0;
 165         return 0;
 166 }
 167
 168 static int ttusb2_power_ctrl(struct dvb_usb_device *d, int onoff)
 169 {
 170         u8 b = onoff;
 171         ttusb2_msg(d, CMD_POWER, &b, 0, NULL, 0);
 172         return ttusb2_msg(d, CMD_POWER, &b, 1, NULL, 0);
 173 }
 174
 175
 176 static struct tda10086_config tda10086_config = {
 177         .demod_address = 0x0e,
 178         .invert = 0,
 179         .diseqc_tone = 1,
 180         .xtal_freq = TDA10086_XTAL_16M,
 181 };
 182
 183 static struct tda10023_config tda10023_config = {
 184         .demod_address = 0x0c,
 185         .invert = 0,
 186         .xtal = 16000000,
 187         .pll_m = 11,
 188         .pll_p = 3,
 189         .pll_n = 1,
 190         .deltaf = 0xa511,
 191 };
 192
 193 static int ttusb2_frontend_tda10086_attach(struct dvb_usb_adapter *adap)
 194 {
 195         if (usb_set_interface(adap->dev->udev,0,3) < 0)
 196                 err("set interface to alts=3 failed");
 197
 198         if ((adap->fe = dvb_attach(tda10086_attach, &tda10086_config, &adap->dev->i2c_adap)) == NULL) {
 199                 deb_info("TDA10086 attach failed\n");
 200                 return -ENODEV;
 201         }
 202
 203         return 0;
 204 }
 205
 206 static int ttusb2_frontend_tda10023_attach(struct dvb_usb_adapter *adap)
 207 {
 208         if (usb_set_interface(adap->dev->udev, 0, 3) < 0)
 209                 err("set interface to alts=3 failed");
 210         if ((adap->fe = dvb_attach(tda10023_attach, &tda10023_config, &adap->dev->i2c_adap, 0x48)) == NULL) {
 211                 deb_info("TDA10023 attach failed\n");
 212                 return -ENODEV;
 213         }
 214         return 0;
 215 }
 216
 217 static int ttusb2_tuner_tda827x_attach(struct dvb_usb_adapter *adap)
 218 {
 219         if (dvb_attach(tda827x_attach, adap->fe, 0x61, &adap->dev->i2c_adap, NULL) == NULL) {
 220                 printk(KERN_ERR "%s: No tda827x found!\n", __func__);
 221                 return -ENODEV;
 222         }
 223         return 0;
 224 }
 225
 226 static int ttusb2_tuner_tda826x_attach(struct dvb_usb_adapter *adap)
 227 {
 228         if (dvb_attach(tda826x_attach, adap->fe, 0x60, &adap->dev->i2c_adap, 0) == NULL) {
 229                 deb_info("TDA8263 attach failed\n");
 230                 return -ENODEV;
 231         }
 232
 233         if (dvb_attach(lnbp21_attach, adap->fe, &adap->dev->i2c_adap, 0, 0) == NULL) {
 234                 deb_info("LNBP21 attach failed\n");
 235                 return -ENODEV;
 236         }
 237         return 0;
 238 }
 239
 240 /* DVB USB Driver stuff */
 241 static struct dvb_usb_device_properties ttusb2_properties;
 242 static struct dvb_usb_device_properties ttusb2_properties_s2400;
 243 static struct dvb_usb_device_properties ttusb2_properties_ct3650;
 244
 245 static int ttusb2_probe(struct usb_interface *intf,
 246                 const struct usb_device_id *id)
 247 {
 248         if (0 == dvb_usb_device_init(intf, &ttusb2_properties,
 249                                      THIS_MODULE, NULL, adapter_nr) ||
 250             0 == dvb_usb_device_init(intf, &ttusb2_properties_s2400,
 251                                      THIS_MODULE, NULL, adapter_nr) ||
 252             0 == dvb_usb_device_init(intf, &ttusb2_properties_ct3650,
 253                                      THIS_MODULE, NULL, adapter_nr))
 254                 return 0;
 255         return -ENODEV;
 256 }
 257
 258 static struct usb_device_id ttusb2_table [] = {
 259         { USB_DEVICE(USB_VID_PINNACLE, USB_PID_PCTV_400E) },
 260         { USB_DEVICE(USB_VID_PINNACLE, USB_PID_PCTV_450E) },
 261         { USB_DEVICE(USB_VID_TECHNOTREND,
 262                 USB_PID_TECHNOTREND_CONNECT_S2400) },
 263         { USB_DEVICE(USB_VID_TECHNOTREND,
 264                 USB_PID_TECHNOTREND_CONNECT_CT3650) },
 265         {}              /* Terminating entry */
 266 };
 267 MODULE_DEVICE_TABLE (usb, ttusb2_table);
 268
 269 static struct dvb_usb_device_properties ttusb2_properties = {
 270         .caps = DVB_USB_IS_AN_I2C_ADAPTER,
 271
 272         .usb_ctrl = CYPRESS_FX2,
 273         .firmware = "dvb-usb-pctv-400e-01.fw",
 274
 275         .size_of_priv = sizeof(struct ttusb2_state),
 276
 277         .num_adapters = 1,
 278         .adapter = {
 279                 {
 280                         .streaming_ctrl   = NULL, // ttusb2_streaming_ctrl,
 281
 282                         .frontend_attach  = ttusb2_frontend_tda10086_attach,
 283                         .tuner_attach     = ttusb2_tuner_tda826x_attach,
 284
 285                         /* parameter for the MPEG2-data transfer */
 286                         .stream = {
 287                                 .type = USB_ISOC,
 288                                 .count = 5,
 289                                 .endpoint = 0x02,
 290                                 .u = {
 291                                         .isoc = {
 292                                                 .framesperurb = 4,
 293                                                 .framesize = 940,
 294                                                 .interval = 1,
 295                                         }
 296                                 }
 297                         }
 298                 }
 299         },
 300
 301         .power_ctrl       = ttusb2_power_ctrl,
 302         .identify_state   = ttusb2_identify_state,
 303
 304         .i2c_algo         = &ttusb2_i2c_algo,
 305
 306         .generic_bulk_ctrl_endpoint = 0x01,
 307
 308         .num_device_descs = 2,
 309         .devices = {
 310                 {   "Pinnacle 400e DVB-S USB2.0",
 311                         { &ttusb2_table[0], NULL },
 312                         { NULL },
 313                 },
 314                 {   "Pinnacle 450e DVB-S USB2.0",
 315                         { &ttusb2_table[1], NULL },
 316                         { NULL },
 317                 },
 318         }
 319 };
 320
 321 static struct dvb_usb_device_properties ttusb2_properties_s2400 = {
 322         .caps = DVB_USB_IS_AN_I2C_ADAPTER,
 323
 324         .usb_ctrl = CYPRESS_FX2,
 325         .firmware = "dvb-usb-tt-s2400-01.fw",
 326
 327         .size_of_priv = sizeof(struct ttusb2_state),
 328
 329         .num_adapters = 1,
 330         .adapter = {
 331                 {
 332                         .streaming_ctrl   = NULL,
 333
 334                         .frontend_attach  = ttusb2_frontend_tda10086_attach,
 335                         .tuner_attach     = ttusb2_tuner_tda826x_attach,
 336
 337                         /* parameter for the MPEG2-data transfer */
 338                         .stream = {
 339                                 .type = USB_ISOC,
 340                                 .count = 5,
 341                                 .endpoint = 0x02,
 342                                 .u = {
 343                                         .isoc = {
 344                                                 .framesperurb = 4,
 345                                                 .framesize = 940,
 346                                                 .interval = 1,
 347                                         }
 348                                 }
 349                         }
 350                 }
 351         },
 352
 353         .power_ctrl       = ttusb2_power_ctrl,
 354         .identify_state   = ttusb2_identify_state,
 355
 356         .i2c_algo         = &ttusb2_i2c_algo,
 357
 358         .generic_bulk_ctrl_endpoint = 0x01,
 359
 360         .num_device_descs = 1,
 361         .devices = {
 362                 {   "Technotrend TT-connect S-2400",
 363                         { &ttusb2_table[2], NULL },
 364                         { NULL },
 365                 },
 366         }
 367 };
 368
 369 static struct dvb_usb_device_properties ttusb2_properties_ct3650 = {
 370         .caps = DVB_USB_IS_AN_I2C_ADAPTER,
 371
 372         .usb_ctrl = CYPRESS_FX2,
 373
 374         .size_of_priv = sizeof(struct ttusb2_state),
 375
 376         .rc.core = {
 377                 .rc_interval      = 150, /* Less than IR_KEYPRESS_TIMEOUT */
 378                 .rc_codes         = RC_MAP_TT_1500,
 379                 .rc_query         = tt3650_rc_query,
 380                 .allowed_protos   = RC_TYPE_UNKNOWN,
 381         },
 382
 383         .num_adapters = 1,
 384         .adapter = {
 385                 {
 386                         .streaming_ctrl   = NULL,
 387
 388                         .frontend_attach  = ttusb2_frontend_tda10023_attach,
 389                         .tuner_attach = ttusb2_tuner_tda827x_attach,
 390
 391                         /* parameter for the MPEG2-data transfer */
 392                         .stream = {
 393                                 .type = USB_ISOC,
 394                                 .count = 5,
 395                                 .endpoint = 0x02,
 396                                 .u = {
 397                                         .isoc = {
 398                                                 .framesperurb = 4,
 399                                                 .framesize = 940,
 400                                                 .interval = 1,
 401                                         }
 402                                 }
 403                         }
 404                 },
 405         },
 406
 407         .power_ctrl       = ttusb2_power_ctrl,
 408         .identify_state   = ttusb2_identify_state,
 409
 410         .i2c_algo         = &ttusb2_i2c_algo,
 411
 412         .generic_bulk_ctrl_endpoint = 0x01,
 413
 414         .num_device_descs = 1,
 415         .devices = {
 416                 {   "Technotrend TT-connect CT-3650",
 417                         .warm_ids = { &ttusb2_table[3], NULL },
 418                 },
 419         }
 420 };
 421
 422 static struct usb_driver ttusb2_driver = {
 423         .name           = "dvb_usb_ttusb2",
 424         .probe          = ttusb2_probe,
 425         .disconnect = dvb_usb_device_exit,
 426         .id_table       = ttusb2_table,
 427 };
 428
 429 /* module stuff */
 430 static int __init ttusb2_module_init(void)
 431 {
 432         int result;
 433         if ((result = usb_register(&ttusb2_driver))) {
 434                 err("usb_register failed. Error number %d",result);
 435                 return result;
 436         }
 437
 438         return 0;
 439 }
 440
 441 static void __exit ttusb2_module_exit(void)
 442 {
 443         /* deregister this driver from the USB subsystem */
 444         usb_deregister(&ttusb2_driver);
 445 }
 446
 447 module_init (ttusb2_module_init);
 448 module_exit (ttusb2_module_exit);
 449
 450 MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>");
 451 MODULE_DESCRIPTION("Driver for Pinnacle PCTV 400e DVB-S USB2.0");
 452 MODULE_VERSION("1.0");
 453 MODULE_LICENSE("GPL");