Pileus Git - ~andy/linux/blob - 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 "lnbp21.h"
  33
  34 /* debug */
  35 static int dvb_usb_ttusb2_debug;
  36 #define deb_info(args...)   dprintk(dvb_usb_ttusb2_debug,0x01,args)
  37 module_param_named(debug,dvb_usb_ttusb2_debug, int, 0644);
  38 MODULE_PARM_DESC(debug, "set debugging level (1=info (or-able))." DVB_USB_DEBUG_STATUS);
  39
  40 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
  41
  42 struct ttusb2_state {
  43         u8 id;
  44 };
  45
  46 static int ttusb2_msg(struct dvb_usb_device *d, u8 cmd,
  47                 u8 *wbuf, int wlen, u8 *rbuf, int rlen)
  48 {
  49         struct ttusb2_state *st = d->priv;
  50         u8 s[wlen+4],r[64] = { 0 };
  51         int ret = 0;
  52
  53         memset(s,0,wlen+4);
  54
  55         s[0] = 0xaa;
  56         s[1] = ++st->id;
  57         s[2] = cmd;
  58         s[3] = wlen;
  59         memcpy(&s[4],wbuf,wlen);
  60
  61         ret = dvb_usb_generic_rw(d, s, wlen+4, r, 64, 0);
  62
  63         if (ret  != 0 ||
  64                 r[0] != 0x55 ||
  65                 r[1] != s[1] ||
  66                 r[2] != cmd ||
  67                 (rlen > 0 && r[3] != rlen)) {
  68                 warn("there might have been an error during control message transfer. (rlen = %d, was %d)",rlen,r[3]);
  69                 return -EIO;
  70         }
  71
  72         if (rlen > 0)
  73                 memcpy(rbuf, &r[4], rlen);
  74
  75         return 0;
  76 }
  77
  78 static int ttusb2_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num)
  79 {
  80         struct dvb_usb_device *d = i2c_get_adapdata(adap);
  81         static u8 obuf[60], ibuf[60];
  82         int i,read;
  83
  84         if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
  85                 return -EAGAIN;
  86
  87         if (num > 2)
  88                 warn("more than 2 i2c messages at a time is not handled yet. TODO.");
  89
  90         for (i = 0; i < num; i++) {
  91                 read = i+1 < num && (msg[i+1].flags & I2C_M_RD);
  92
  93                 obuf[0] = (msg[i].addr << 1) | read;
  94                 obuf[1] = msg[i].len;
  95
  96                 /* read request */
  97                 if (read)
  98                         obuf[2] = msg[i+1].len;
  99                 else
 100                         obuf[2] = 0;
 101
 102                 memcpy(&obuf[3],msg[i].buf,msg[i].len);
 103
 104                 if (ttusb2_msg(d, CMD_I2C_XFER, obuf, msg[i].len+3, ibuf, obuf[2] + 3) < 0) {
 105                         err("i2c transfer failed.");
 106                         break;
 107                 }
 108
 109                 if (read) {
 110                         memcpy(msg[i+1].buf,&ibuf[3],msg[i+1].len);
 111                         i++;
 112                 }
 113         }
 114
 115         mutex_unlock(&d->i2c_mutex);
 116         return i;
 117 }
 118
 119 static u32 ttusb2_i2c_func(struct i2c_adapter *adapter)
 120 {
 121         return I2C_FUNC_I2C;
 122 }
 123
 124 static struct i2c_algorithm ttusb2_i2c_algo = {
 125         .master_xfer   = ttusb2_i2c_xfer,
 126         .functionality = ttusb2_i2c_func,
 127 };
 128
 129 /* Callbacks for DVB USB */
 130 static int ttusb2_identify_state (struct usb_device *udev, struct
 131                 dvb_usb_device_properties *props, struct dvb_usb_device_description **desc,
 132                 int *cold)
 133 {
 134         *cold = udev->descriptor.iManufacturer == 0 && udev->descriptor.iProduct == 0;
 135         return 0;
 136 }
 137
 138 static int ttusb2_power_ctrl(struct dvb_usb_device *d, int onoff)
 139 {
 140         u8 b = onoff;
 141         ttusb2_msg(d, CMD_POWER, &b, 0, NULL, 0);
 142         return ttusb2_msg(d, CMD_POWER, &b, 1, NULL, 0);
 143 }
 144
 145
 146 static struct tda10086_config tda10086_config = {
 147         .demod_address = 0x0e,
 148         .invert = 0,
 149         .diseqc_tone = 1,
 150 };
 151
 152 static int ttusb2_frontend_attach(struct dvb_usb_adapter *adap)
 153 {
 154         if (usb_set_interface(adap->dev->udev,0,3) < 0)
 155                 err("set interface to alts=3 failed");
 156
 157         if ((adap->fe = dvb_attach(tda10086_attach, &tda10086_config, &adap->dev->i2c_adap)) == NULL) {
 158                 deb_info("TDA10086 attach failed\n");
 159                 return -ENODEV;
 160         }
 161
 162         return 0;
 163 }
 164
 165 static int ttusb2_tuner_attach(struct dvb_usb_adapter *adap)
 166 {
 167         if (dvb_attach(tda826x_attach, adap->fe, 0x60, &adap->dev->i2c_adap, 0) == NULL) {
 168                 deb_info("TDA8263 attach failed\n");
 169                 return -ENODEV;
 170         }
 171
 172         if (dvb_attach(lnbp21_attach, adap->fe, &adap->dev->i2c_adap, 0, 0) == NULL) {
 173                 deb_info("LNBP21 attach failed\n");
 174                 return -ENODEV;
 175         }
 176         return 0;
 177 }
 178
 179 /* DVB USB Driver stuff */
 180 static struct dvb_usb_device_properties ttusb2_properties;
 181 static struct dvb_usb_device_properties ttusb2_properties_s2400;
 182
 183 static int ttusb2_probe(struct usb_interface *intf,
 184                 const struct usb_device_id *id)
 185 {
 186         if (0 == dvb_usb_device_init(intf, &ttusb2_properties,
 187                                      THIS_MODULE, NULL, adapter_nr) ||
 188             0 == dvb_usb_device_init(intf, &ttusb2_properties_s2400,
 189                                      THIS_MODULE, NULL, adapter_nr))
 190                 return 0;
 191         return -ENODEV;
 192 }
 193
 194 static struct usb_device_id ttusb2_table [] = {
 195         { USB_DEVICE(USB_VID_PINNACLE, USB_PID_PCTV_400E) },
 196         { USB_DEVICE(USB_VID_PINNACLE, USB_PID_PCTV_450E) },
 197         { USB_DEVICE(USB_VID_TECHNOTREND,
 198                 USB_PID_TECHNOTREND_CONNECT_S2400) },
 199         {}              /* Terminating entry */
 200 };
 201 MODULE_DEVICE_TABLE (usb, ttusb2_table);
 202
 203 static struct dvb_usb_device_properties ttusb2_properties = {
 204         .caps = DVB_USB_IS_AN_I2C_ADAPTER,
 205
 206         .usb_ctrl = CYPRESS_FX2,
 207         .firmware = "dvb-usb-pctv-400e-01.fw",
 208
 209         .size_of_priv = sizeof(struct ttusb2_state),
 210
 211         .num_adapters = 1,
 212         .adapter = {
 213                 {
 214                         .streaming_ctrl   = NULL, // ttusb2_streaming_ctrl,
 215
 216                         .frontend_attach  = ttusb2_frontend_attach,
 217                         .tuner_attach     = ttusb2_tuner_attach,
 218
 219                         /* parameter for the MPEG2-data transfer */
 220                         .stream = {
 221                                 .type = USB_ISOC,
 222                                 .count = 5,
 223                                 .endpoint = 0x02,
 224                                 .u = {
 225                                         .isoc = {
 226                                                 .framesperurb = 4,
 227                                                 .framesize = 940,
 228                                                 .interval = 1,
 229                                         }
 230                                 }
 231                         }
 232                 }
 233         },
 234
 235         .power_ctrl       = ttusb2_power_ctrl,
 236         .identify_state   = ttusb2_identify_state,
 237
 238         .i2c_algo         = &ttusb2_i2c_algo,
 239
 240         .generic_bulk_ctrl_endpoint = 0x01,
 241
 242         .num_device_descs = 2,
 243         .devices = {
 244                 {   "Pinnacle 400e DVB-S USB2.0",
 245                         { &ttusb2_table[0], NULL },
 246                         { NULL },
 247                 },
 248                 {   "Pinnacle 450e DVB-S USB2.0",
 249                         { &ttusb2_table[1], NULL },
 250                         { NULL },
 251                 },
 252         }
 253 };
 254
 255 static struct dvb_usb_device_properties ttusb2_properties_s2400 = {
 256         .caps = DVB_USB_IS_AN_I2C_ADAPTER,
 257
 258         .usb_ctrl = CYPRESS_FX2,
 259         .firmware = "dvb-usb-tt-s2400-01.fw",
 260
 261         .size_of_priv = sizeof(struct ttusb2_state),
 262
 263         .num_adapters = 1,
 264         .adapter = {
 265                 {
 266                         .streaming_ctrl   = NULL,
 267
 268                         .frontend_attach  = ttusb2_frontend_attach,
 269                         .tuner_attach     = ttusb2_tuner_attach,
 270
 271                         /* parameter for the MPEG2-data transfer */
 272                         .stream = {
 273                                 .type = USB_ISOC,
 274                                 .count = 5,
 275                                 .endpoint = 0x02,
 276                                 .u = {
 277                                         .isoc = {
 278                                                 .framesperurb = 4,
 279                                                 .framesize = 940,
 280                                                 .interval = 1,
 281                                         }
 282                                 }
 283                         }
 284                 }
 285         },
 286
 287         .power_ctrl       = ttusb2_power_ctrl,
 288         .identify_state   = ttusb2_identify_state,
 289
 290         .i2c_algo         = &ttusb2_i2c_algo,
 291
 292         .generic_bulk_ctrl_endpoint = 0x01,
 293
 294         .num_device_descs = 1,
 295         .devices = {
 296                 {   "Technotrend TT-connect S-2400",
 297                         { &ttusb2_table[2], NULL },
 298                         { NULL },
 299                 },
 300         }
 301 };
 302
 303 static struct usb_driver ttusb2_driver = {
 304         .name           = "dvb_usb_ttusb2",
 305         .probe          = ttusb2_probe,
 306         .disconnect = dvb_usb_device_exit,
 307         .id_table       = ttusb2_table,
 308 };
 309
 310 /* module stuff */
 311 static int __init ttusb2_module_init(void)
 312 {
 313         int result;
 314         if ((result = usb_register(&ttusb2_driver))) {
 315                 err("usb_register failed. Error number %d",result);
 316                 return result;
 317         }
 318
 319         return 0;
 320 }
 321
 322 static void __exit ttusb2_module_exit(void)
 323 {
 324         /* deregister this driver from the USB subsystem */
 325         usb_deregister(&ttusb2_driver);
 326 }
 327
 328 module_init (ttusb2_module_init);
 329 module_exit (ttusb2_module_exit);
 330
 331 MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>");
 332 MODULE_DESCRIPTION("Driver for Pinnacle PCTV 400e DVB-S USB2.0");
 333 MODULE_VERSION("1.0");
 334 MODULE_LICENSE("GPL");