1 /* 2 DVB device driver for em28xx 3 4 (c) 2008-2011 Mauro Carvalho Chehab <mchehab@infradead.org> 5 6 (c) 2008 Devin Heitmueller <devin.heitmueller@gmail.com> 7 - Fixes for the driver to properly work with HVR-950 8 - Fixes for the driver to properly work with Pinnacle PCTV HD Pro Stick 9 - Fixes for the driver to properly work with AMD ATI TV Wonder HD 600 10 11 (c) 2008 Aidan Thornton <makosoft@googlemail.com> 12 13 (c) 2012 Frank Schäfer <fschaefer.oss@googlemail.com> 14 15 Based on cx88-dvb, saa7134-dvb and videobuf-dvb originally written by: 16 (c) 2004, 2005 Chris Pascoe <c.pascoe@itee.uq.edu.au> 17 (c) 2004 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs] 18 19 This program is free software; you can redistribute it and/or modify 20 it under the terms of the GNU General Public License as published by 21 the Free Software Foundation; either version 2 of the License. 22 */ 23 24 #include <linux/kernel.h> 25 #include <linux/slab.h> 26 #include <linux/usb.h> 27 28 #include "em28xx.h" 29 #include <media/v4l2-common.h> 30 #include <dvb_demux.h> 31 #include <dvb_net.h> 32 #include <dmxdev.h> 33 #include <media/tuner.h> 34 #include "tuner-simple.h" 35 #include <linux/gpio.h> 36 37 #include "lgdt330x.h" 38 #include "lgdt3305.h" 39 #include "zl10353.h" 40 #include "s5h1409.h" 41 #include "mt352.h" 42 #include "mt352_priv.h" /* FIXME */ 43 #include "tda1002x.h" 44 #include "drx39xyj/drx39xxj.h" 45 #include "tda18271.h" 46 #include "s921.h" 47 #include "drxd.h" 48 #include "cxd2820r.h" 49 #include "tda18271c2dd.h" 50 #include "drxk.h" 51 #include "tda10071.h" 52 #include "tda18212.h" 53 #include "a8293.h" 54 #include "qt1010.h" 55 #include "mb86a20s.h" 56 #include "m88ds3103.h" 57 #include "ts2020.h" 58 #include "si2168.h" 59 #include "si2157.h" 60 61 MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@infradead.org>"); 62 MODULE_LICENSE("GPL"); 63 MODULE_DESCRIPTION(DRIVER_DESC " - digital TV interface"); 64 MODULE_VERSION(EM28XX_VERSION); 65 66 static unsigned int debug; 67 module_param(debug, int, 0644); 68 MODULE_PARM_DESC(debug, "enable debug messages [dvb]"); 69 70 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); 71 72 #define dprintk(level, fmt, arg...) do { \ 73 if (debug >= level) \ 74 printk(KERN_DEBUG "%s/2-dvb: " fmt, dev->name, ## arg); \ 75 } while (0) 76 77 struct em28xx_dvb { 78 struct dvb_frontend *fe[2]; 79 80 /* feed count management */ 81 struct mutex lock; 82 int nfeeds; 83 84 /* general boilerplate stuff */ 85 struct dvb_adapter adapter; 86 struct dvb_demux demux; 87 struct dmxdev dmxdev; 88 struct dmx_frontend fe_hw; 89 struct dmx_frontend fe_mem; 90 struct dvb_net net; 91 92 /* Due to DRX-K - probably need changes */ 93 int (*gate_ctrl)(struct dvb_frontend *, int); 94 struct semaphore pll_mutex; 95 bool dont_attach_fe1; 96 int lna_gpio; 97 struct i2c_client *i2c_client_demod; 98 struct i2c_client *i2c_client_tuner; 99 struct i2c_client *i2c_client_sec; 100 }; 101 102 static inline void print_err_status(struct em28xx *dev, 103 int packet, int status) 104 { 105 char *errmsg = "Unknown"; 106 107 switch (status) { 108 case -ENOENT: 109 errmsg = "unlinked synchronuously"; 110 break; 111 case -ECONNRESET: 112 errmsg = "unlinked asynchronuously"; 113 break; 114 case -ENOSR: 115 errmsg = "Buffer error (overrun)"; 116 break; 117 case -EPIPE: 118 errmsg = "Stalled (device not responding)"; 119 break; 120 case -EOVERFLOW: 121 errmsg = "Babble (bad cable?)"; 122 break; 123 case -EPROTO: 124 errmsg = "Bit-stuff error (bad cable?)"; 125 break; 126 case -EILSEQ: 127 errmsg = "CRC/Timeout (could be anything)"; 128 break; 129 case -ETIME: 130 errmsg = "Device does not respond"; 131 break; 132 } 133 if (packet < 0) { 134 dprintk(1, "URB status %d [%s].\n", status, errmsg); 135 } else { 136 dprintk(1, "URB packet %d, status %d [%s].\n", 137 packet, status, errmsg); 138 } 139 } 140 141 static inline int em28xx_dvb_urb_data_copy(struct em28xx *dev, struct urb *urb) 142 { 143 int xfer_bulk, num_packets, i; 144 145 if (!dev) 146 return 0; 147 148 if (dev->disconnected) 149 return 0; 150 151 if (urb->status < 0) 152 print_err_status(dev, -1, urb->status); 153 154 xfer_bulk = usb_pipebulk(urb->pipe); 155 156 if (xfer_bulk) /* bulk */ 157 num_packets = 1; 158 else /* isoc */ 159 num_packets = urb->number_of_packets; 160 161 for (i = 0; i < num_packets; i++) { 162 if (xfer_bulk) { 163 if (urb->status < 0) { 164 print_err_status(dev, i, urb->status); 165 if (urb->status != -EPROTO) 166 continue; 167 } 168 if (!urb->actual_length) 169 continue; 170 dvb_dmx_swfilter(&dev->dvb->demux, urb->transfer_buffer, 171 urb->actual_length); 172 } else { 173 if (urb->iso_frame_desc[i].status < 0) { 174 print_err_status(dev, i, 175 urb->iso_frame_desc[i].status); 176 if (urb->iso_frame_desc[i].status != -EPROTO) 177 continue; 178 } 179 if (!urb->iso_frame_desc[i].actual_length) 180 continue; 181 dvb_dmx_swfilter(&dev->dvb->demux, 182 urb->transfer_buffer + 183 urb->iso_frame_desc[i].offset, 184 urb->iso_frame_desc[i].actual_length); 185 } 186 } 187 188 return 0; 189 } 190 191 static int em28xx_start_streaming(struct em28xx_dvb *dvb) 192 { 193 int rc; 194 struct em28xx_i2c_bus *i2c_bus = dvb->adapter.priv; 195 struct em28xx *dev = i2c_bus->dev; 196 int dvb_max_packet_size, packet_multiplier, dvb_alt; 197 198 if (dev->dvb_xfer_bulk) { 199 if (!dev->dvb_ep_bulk) 200 return -ENODEV; 201 dvb_max_packet_size = 512; /* USB 2.0 spec */ 202 packet_multiplier = EM28XX_DVB_BULK_PACKET_MULTIPLIER; 203 dvb_alt = 0; 204 } else { /* isoc */ 205 if (!dev->dvb_ep_isoc) 206 return -ENODEV; 207 dvb_max_packet_size = dev->dvb_max_pkt_size_isoc; 208 if (dvb_max_packet_size < 0) 209 return dvb_max_packet_size; 210 packet_multiplier = EM28XX_DVB_NUM_ISOC_PACKETS; 211 dvb_alt = dev->dvb_alt_isoc; 212 } 213 214 usb_set_interface(dev->udev, dev->ifnum, dvb_alt); 215 rc = em28xx_set_mode(dev, EM28XX_DIGITAL_MODE); 216 if (rc < 0) 217 return rc; 218 219 dprintk(1, "Using %d buffers each with %d x %d bytes, alternate %d\n", 220 EM28XX_DVB_NUM_BUFS, 221 packet_multiplier, 222 dvb_max_packet_size, dvb_alt); 223 224 return em28xx_init_usb_xfer(dev, EM28XX_DIGITAL_MODE, 225 dev->dvb_xfer_bulk, 226 EM28XX_DVB_NUM_BUFS, 227 dvb_max_packet_size, 228 packet_multiplier, 229 em28xx_dvb_urb_data_copy); 230 } 231 232 static int em28xx_stop_streaming(struct em28xx_dvb *dvb) 233 { 234 struct em28xx_i2c_bus *i2c_bus = dvb->adapter.priv; 235 struct em28xx *dev = i2c_bus->dev; 236 237 em28xx_stop_urbs(dev); 238 239 return 0; 240 } 241 242 static int em28xx_start_feed(struct dvb_demux_feed *feed) 243 { 244 struct dvb_demux *demux = feed->demux; 245 struct em28xx_dvb *dvb = demux->priv; 246 int rc, ret; 247 248 if (!demux->dmx.frontend) 249 return -EINVAL; 250 251 mutex_lock(&dvb->lock); 252 dvb->nfeeds++; 253 rc = dvb->nfeeds; 254 255 if (dvb->nfeeds == 1) { 256 ret = em28xx_start_streaming(dvb); 257 if (ret < 0) 258 rc = ret; 259 } 260 261 mutex_unlock(&dvb->lock); 262 return rc; 263 } 264 265 static int em28xx_stop_feed(struct dvb_demux_feed *feed) 266 { 267 struct dvb_demux *demux = feed->demux; 268 struct em28xx_dvb *dvb = demux->priv; 269 int err = 0; 270 271 mutex_lock(&dvb->lock); 272 dvb->nfeeds--; 273 274 if (0 == dvb->nfeeds) 275 err = em28xx_stop_streaming(dvb); 276 277 mutex_unlock(&dvb->lock); 278 return err; 279 } 280 281 282 /* ------------------------------------------------------------------ */ 283 static int em28xx_dvb_bus_ctrl(struct dvb_frontend *fe, int acquire) 284 { 285 struct em28xx_i2c_bus *i2c_bus = fe->dvb->priv; 286 struct em28xx *dev = i2c_bus->dev; 287 288 if (acquire) 289 return em28xx_set_mode(dev, EM28XX_DIGITAL_MODE); 290 else 291 return em28xx_set_mode(dev, EM28XX_SUSPEND); 292 } 293 294 /* ------------------------------------------------------------------ */ 295 296 static struct lgdt330x_config em2880_lgdt3303_dev = { 297 .demod_address = 0x0e, 298 .demod_chip = LGDT3303, 299 }; 300 301 static struct lgdt3305_config em2870_lgdt3304_dev = { 302 .i2c_addr = 0x0e, 303 .demod_chip = LGDT3304, 304 .spectral_inversion = 1, 305 .deny_i2c_rptr = 1, 306 .mpeg_mode = LGDT3305_MPEG_PARALLEL, 307 .tpclk_edge = LGDT3305_TPCLK_FALLING_EDGE, 308 .tpvalid_polarity = LGDT3305_TP_VALID_HIGH, 309 .vsb_if_khz = 3250, 310 .qam_if_khz = 4000, 311 }; 312 313 static struct lgdt3305_config em2874_lgdt3305_dev = { 314 .i2c_addr = 0x0e, 315 .demod_chip = LGDT3305, 316 .spectral_inversion = 1, 317 .deny_i2c_rptr = 0, 318 .mpeg_mode = LGDT3305_MPEG_SERIAL, 319 .tpclk_edge = LGDT3305_TPCLK_FALLING_EDGE, 320 .tpvalid_polarity = LGDT3305_TP_VALID_HIGH, 321 .vsb_if_khz = 3250, 322 .qam_if_khz = 4000, 323 }; 324 325 static struct lgdt3305_config em2874_lgdt3305_nogate_dev = { 326 .i2c_addr = 0x0e, 327 .demod_chip = LGDT3305, 328 .spectral_inversion = 1, 329 .deny_i2c_rptr = 1, 330 .mpeg_mode = LGDT3305_MPEG_SERIAL, 331 .tpclk_edge = LGDT3305_TPCLK_FALLING_EDGE, 332 .tpvalid_polarity = LGDT3305_TP_VALID_HIGH, 333 .vsb_if_khz = 3600, 334 .qam_if_khz = 3600, 335 }; 336 337 static struct s921_config sharp_isdbt = { 338 .demod_address = 0x30 >> 1 339 }; 340 341 static struct zl10353_config em28xx_zl10353_with_xc3028 = { 342 .demod_address = (0x1e >> 1), 343 .no_tuner = 1, 344 .parallel_ts = 1, 345 .if2 = 45600, 346 }; 347 348 static struct s5h1409_config em28xx_s5h1409_with_xc3028 = { 349 .demod_address = 0x32 >> 1, 350 .output_mode = S5H1409_PARALLEL_OUTPUT, 351 .gpio = S5H1409_GPIO_OFF, 352 .inversion = S5H1409_INVERSION_OFF, 353 .status_mode = S5H1409_DEMODLOCKING, 354 .mpeg_timing = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK 355 }; 356 357 static struct tda18271_std_map kworld_a340_std_map = { 358 .atsc_6 = { .if_freq = 3250, .agc_mode = 3, .std = 0, 359 .if_lvl = 1, .rfagc_top = 0x37, }, 360 .qam_6 = { .if_freq = 4000, .agc_mode = 3, .std = 1, 361 .if_lvl = 1, .rfagc_top = 0x37, }, 362 }; 363 364 static struct tda18271_config kworld_a340_config = { 365 .std_map = &kworld_a340_std_map, 366 }; 367 368 static struct tda18271_config kworld_ub435q_v2_config = { 369 .std_map = &kworld_a340_std_map, 370 .gate = TDA18271_GATE_DIGITAL, 371 }; 372 373 static struct tda18212_config kworld_ub435q_v3_config = { 374 .if_atsc_vsb = 3600, 375 .if_atsc_qam = 3600, 376 }; 377 378 static struct zl10353_config em28xx_zl10353_xc3028_no_i2c_gate = { 379 .demod_address = (0x1e >> 1), 380 .no_tuner = 1, 381 .disable_i2c_gate_ctrl = 1, 382 .parallel_ts = 1, 383 .if2 = 45600, 384 }; 385 386 static struct drxd_config em28xx_drxd = { 387 .demod_address = 0x70, 388 .demod_revision = 0xa2, 389 .pll_type = DRXD_PLL_NONE, 390 .clock = 12000, 391 .insert_rs_byte = 1, 392 .IF = 42800000, 393 .disable_i2c_gate_ctrl = 1, 394 }; 395 396 static struct drxk_config terratec_h5_drxk = { 397 .adr = 0x29, 398 .single_master = 1, 399 .no_i2c_bridge = 1, 400 .microcode_name = "dvb-usb-terratec-h5-drxk.fw", 401 .qam_demod_parameter_count = 2, 402 }; 403 404 static struct drxk_config hauppauge_930c_drxk = { 405 .adr = 0x29, 406 .single_master = 1, 407 .no_i2c_bridge = 1, 408 .microcode_name = "dvb-usb-hauppauge-hvr930c-drxk.fw", 409 .chunk_size = 56, 410 .qam_demod_parameter_count = 2, 411 }; 412 413 static struct drxk_config terratec_htc_stick_drxk = { 414 .adr = 0x29, 415 .single_master = 1, 416 .no_i2c_bridge = 1, 417 .microcode_name = "dvb-usb-terratec-htc-stick-drxk.fw", 418 .chunk_size = 54, 419 .qam_demod_parameter_count = 2, 420 /* Required for the antenna_gpio to disable LNA. */ 421 .antenna_dvbt = true, 422 /* The windows driver uses the same. This will disable LNA. */ 423 .antenna_gpio = 0x6, 424 }; 425 426 static struct drxk_config maxmedia_ub425_tc_drxk = { 427 .adr = 0x29, 428 .single_master = 1, 429 .no_i2c_bridge = 1, 430 .microcode_name = "dvb-demod-drxk-01.fw", 431 .chunk_size = 62, 432 .qam_demod_parameter_count = 2, 433 }; 434 435 static struct drxk_config pctv_520e_drxk = { 436 .adr = 0x29, 437 .single_master = 1, 438 .microcode_name = "dvb-demod-drxk-pctv.fw", 439 .qam_demod_parameter_count = 2, 440 .chunk_size = 58, 441 .antenna_dvbt = true, /* disable LNA */ 442 .antenna_gpio = (1 << 2), /* disable LNA */ 443 }; 444 445 static int drxk_gate_ctrl(struct dvb_frontend *fe, int enable) 446 { 447 struct em28xx_dvb *dvb = fe->sec_priv; 448 int status; 449 450 if (!dvb) 451 return -EINVAL; 452 453 if (enable) { 454 down(&dvb->pll_mutex); 455 status = dvb->gate_ctrl(fe, 1); 456 } else { 457 status = dvb->gate_ctrl(fe, 0); 458 up(&dvb->pll_mutex); 459 } 460 return status; 461 } 462 463 static void hauppauge_hvr930c_init(struct em28xx *dev) 464 { 465 int i; 466 467 struct em28xx_reg_seq hauppauge_hvr930c_init[] = { 468 {EM2874_R80_GPIO_P0_CTRL, 0xff, 0xff, 0x65}, 469 {EM2874_R80_GPIO_P0_CTRL, 0xfb, 0xff, 0x32}, 470 {EM2874_R80_GPIO_P0_CTRL, 0xff, 0xff, 0xb8}, 471 { -1, -1, -1, -1}, 472 }; 473 struct em28xx_reg_seq hauppauge_hvr930c_end[] = { 474 {EM2874_R80_GPIO_P0_CTRL, 0xef, 0xff, 0x01}, 475 {EM2874_R80_GPIO_P0_CTRL, 0xaf, 0xff, 0x65}, 476 {EM2874_R80_GPIO_P0_CTRL, 0xef, 0xff, 0x76}, 477 {EM2874_R80_GPIO_P0_CTRL, 0xef, 0xff, 0x01}, 478 {EM2874_R80_GPIO_P0_CTRL, 0xcf, 0xff, 0x0b}, 479 {EM2874_R80_GPIO_P0_CTRL, 0xef, 0xff, 0x40}, 480 481 {EM2874_R80_GPIO_P0_CTRL, 0xcf, 0xff, 0x65}, 482 {EM2874_R80_GPIO_P0_CTRL, 0xef, 0xff, 0x65}, 483 {EM2874_R80_GPIO_P0_CTRL, 0xcf, 0xff, 0x0b}, 484 {EM2874_R80_GPIO_P0_CTRL, 0xef, 0xff, 0x65}, 485 486 { -1, -1, -1, -1}, 487 }; 488 489 struct { 490 unsigned char r[4]; 491 int len; 492 } regs[] = { 493 {{ 0x06, 0x02, 0x00, 0x31 }, 4}, 494 {{ 0x01, 0x02 }, 2}, 495 {{ 0x01, 0x02, 0x00, 0xc6 }, 4}, 496 {{ 0x01, 0x00 }, 2}, 497 {{ 0x01, 0x00, 0xff, 0xaf }, 4}, 498 {{ 0x01, 0x00, 0x03, 0xa0 }, 4}, 499 {{ 0x01, 0x00 }, 2}, 500 {{ 0x01, 0x00, 0x73, 0xaf }, 4}, 501 {{ 0x04, 0x00 }, 2}, 502 {{ 0x00, 0x04 }, 2}, 503 {{ 0x00, 0x04, 0x00, 0x0a }, 4}, 504 {{ 0x04, 0x14 }, 2}, 505 {{ 0x04, 0x14, 0x00, 0x00 }, 4}, 506 }; 507 508 em28xx_gpio_set(dev, hauppauge_hvr930c_init); 509 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40); 510 msleep(10); 511 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44); 512 msleep(10); 513 514 dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1; 515 516 for (i = 0; i < ARRAY_SIZE(regs); i++) 517 i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len); 518 em28xx_gpio_set(dev, hauppauge_hvr930c_end); 519 520 msleep(100); 521 522 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44); 523 msleep(30); 524 525 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x45); 526 msleep(10); 527 528 } 529 530 static void terratec_h5_init(struct em28xx *dev) 531 { 532 int i; 533 struct em28xx_reg_seq terratec_h5_init[] = { 534 {EM2820_R08_GPIO_CTRL, 0xff, 0xff, 10}, 535 {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 100}, 536 {EM2874_R80_GPIO_P0_CTRL, 0xf2, 0xff, 50}, 537 {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 100}, 538 { -1, -1, -1, -1}, 539 }; 540 struct em28xx_reg_seq terratec_h5_end[] = { 541 {EM2874_R80_GPIO_P0_CTRL, 0xe6, 0xff, 100}, 542 {EM2874_R80_GPIO_P0_CTRL, 0xa6, 0xff, 50}, 543 {EM2874_R80_GPIO_P0_CTRL, 0xe6, 0xff, 100}, 544 { -1, -1, -1, -1}, 545 }; 546 struct { 547 unsigned char r[4]; 548 int len; 549 } regs[] = { 550 {{ 0x06, 0x02, 0x00, 0x31 }, 4}, 551 {{ 0x01, 0x02 }, 2}, 552 {{ 0x01, 0x02, 0x00, 0xc6 }, 4}, 553 {{ 0x01, 0x00 }, 2}, 554 {{ 0x01, 0x00, 0xff, 0xaf }, 4}, 555 {{ 0x01, 0x00, 0x03, 0xa0 }, 4}, 556 {{ 0x01, 0x00 }, 2}, 557 {{ 0x01, 0x00, 0x73, 0xaf }, 4}, 558 {{ 0x04, 0x00 }, 2}, 559 {{ 0x00, 0x04 }, 2}, 560 {{ 0x00, 0x04, 0x00, 0x0a }, 4}, 561 {{ 0x04, 0x14 }, 2}, 562 {{ 0x04, 0x14, 0x00, 0x00 }, 4}, 563 }; 564 565 em28xx_gpio_set(dev, terratec_h5_init); 566 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40); 567 msleep(10); 568 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x45); 569 msleep(10); 570 571 dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1; 572 573 for (i = 0; i < ARRAY_SIZE(regs); i++) 574 i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len); 575 em28xx_gpio_set(dev, terratec_h5_end); 576 }; 577 578 static void terratec_htc_stick_init(struct em28xx *dev) 579 { 580 int i; 581 582 /* 583 * GPIO configuration: 584 * 0xff: unknown (does not affect DVB-T). 585 * 0xf6: DRX-K (demodulator). 586 * 0xe6: unknown (does not affect DVB-T). 587 * 0xb6: unknown (does not affect DVB-T). 588 */ 589 struct em28xx_reg_seq terratec_htc_stick_init[] = { 590 {EM2820_R08_GPIO_CTRL, 0xff, 0xff, 10}, 591 {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 100}, 592 {EM2874_R80_GPIO_P0_CTRL, 0xe6, 0xff, 50}, 593 {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 100}, 594 { -1, -1, -1, -1}, 595 }; 596 struct em28xx_reg_seq terratec_htc_stick_end[] = { 597 {EM2874_R80_GPIO_P0_CTRL, 0xb6, 0xff, 100}, 598 {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 50}, 599 { -1, -1, -1, -1}, 600 }; 601 602 /* 603 * Init the analog decoder (not yet supported), but 604 * it's probably still a good idea. 605 */ 606 struct { 607 unsigned char r[4]; 608 int len; 609 } regs[] = { 610 {{ 0x06, 0x02, 0x00, 0x31 }, 4}, 611 {{ 0x01, 0x02 }, 2}, 612 {{ 0x01, 0x02, 0x00, 0xc6 }, 4}, 613 {{ 0x01, 0x00 }, 2}, 614 {{ 0x01, 0x00, 0xff, 0xaf }, 4}, 615 }; 616 617 em28xx_gpio_set(dev, terratec_htc_stick_init); 618 619 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40); 620 msleep(10); 621 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44); 622 msleep(10); 623 624 dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1; 625 626 for (i = 0; i < ARRAY_SIZE(regs); i++) 627 i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len); 628 629 em28xx_gpio_set(dev, terratec_htc_stick_end); 630 }; 631 632 static void terratec_htc_usb_xs_init(struct em28xx *dev) 633 { 634 int i; 635 636 struct em28xx_reg_seq terratec_htc_usb_xs_init[] = { 637 {EM2820_R08_GPIO_CTRL, 0xff, 0xff, 10}, 638 {EM2874_R80_GPIO_P0_CTRL, 0xb2, 0xff, 100}, 639 {EM2874_R80_GPIO_P0_CTRL, 0xb2, 0xff, 50}, 640 {EM2874_R80_GPIO_P0_CTRL, 0xb6, 0xff, 100}, 641 { -1, -1, -1, -1}, 642 }; 643 struct em28xx_reg_seq terratec_htc_usb_xs_end[] = { 644 {EM2874_R80_GPIO_P0_CTRL, 0xa6, 0xff, 100}, 645 {EM2874_R80_GPIO_P0_CTRL, 0xa6, 0xff, 50}, 646 {EM2874_R80_GPIO_P0_CTRL, 0xe6, 0xff, 100}, 647 { -1, -1, -1, -1}, 648 }; 649 650 /* 651 * Init the analog decoder (not yet supported), but 652 * it's probably still a good idea. 653 */ 654 struct { 655 unsigned char r[4]; 656 int len; 657 } regs[] = { 658 {{ 0x06, 0x02, 0x00, 0x31 }, 4}, 659 {{ 0x01, 0x02 }, 2}, 660 {{ 0x01, 0x02, 0x00, 0xc6 }, 4}, 661 {{ 0x01, 0x00 }, 2}, 662 {{ 0x01, 0x00, 0xff, 0xaf }, 4}, 663 {{ 0x01, 0x00, 0x03, 0xa0 }, 4}, 664 {{ 0x01, 0x00 }, 2}, 665 {{ 0x01, 0x00, 0x73, 0xaf }, 4}, 666 {{ 0x04, 0x00 }, 2}, 667 {{ 0x00, 0x04 }, 2}, 668 {{ 0x00, 0x04, 0x00, 0x0a }, 4}, 669 {{ 0x04, 0x14 }, 2}, 670 {{ 0x04, 0x14, 0x00, 0x00 }, 4}, 671 }; 672 673 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40); 674 675 em28xx_gpio_set(dev, terratec_htc_usb_xs_init); 676 677 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40); 678 msleep(10); 679 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44); 680 msleep(10); 681 682 dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1; 683 684 for (i = 0; i < ARRAY_SIZE(regs); i++) 685 i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len); 686 687 em28xx_gpio_set(dev, terratec_htc_usb_xs_end); 688 }; 689 690 static void pctv_520e_init(struct em28xx *dev) 691 { 692 /* 693 * Init AVF4910B analog decoder. Looks like I2C traffic to 694 * digital demodulator and tuner are routed via AVF4910B. 695 */ 696 int i; 697 struct { 698 unsigned char r[4]; 699 int len; 700 } regs[] = { 701 {{ 0x06, 0x02, 0x00, 0x31 }, 4}, 702 {{ 0x01, 0x02 }, 2}, 703 {{ 0x01, 0x02, 0x00, 0xc6 }, 4}, 704 {{ 0x01, 0x00 }, 2}, 705 {{ 0x01, 0x00, 0xff, 0xaf }, 4}, 706 {{ 0x01, 0x00, 0x03, 0xa0 }, 4}, 707 {{ 0x01, 0x00 }, 2}, 708 {{ 0x01, 0x00, 0x73, 0xaf }, 4}, 709 }; 710 711 dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1; /* 0x41 */ 712 713 for (i = 0; i < ARRAY_SIZE(regs); i++) 714 i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len); 715 }; 716 717 static int em28xx_pctv_290e_set_lna(struct dvb_frontend *fe) 718 { 719 struct dtv_frontend_properties *c = &fe->dtv_property_cache; 720 struct em28xx_i2c_bus *i2c_bus = fe->dvb->priv; 721 struct em28xx *dev = i2c_bus->dev; 722 #ifdef CONFIG_GPIOLIB 723 struct em28xx_dvb *dvb = dev->dvb; 724 int ret; 725 unsigned long flags; 726 727 if (c->lna == 1) 728 flags = GPIOF_OUT_INIT_HIGH; /* enable LNA */ 729 else 730 flags = GPIOF_OUT_INIT_LOW; /* disable LNA */ 731 732 ret = gpio_request_one(dvb->lna_gpio, flags, NULL); 733 if (ret) 734 em28xx_errdev("gpio request failed %d\n", ret); 735 else 736 gpio_free(dvb->lna_gpio); 737 738 return ret; 739 #else 740 dev_warn(&dev->udev->dev, "%s: LNA control is disabled (lna=%u)\n", 741 KBUILD_MODNAME, c->lna); 742 return 0; 743 #endif 744 } 745 746 static int em28xx_pctv_292e_set_lna(struct dvb_frontend *fe) 747 { 748 struct dtv_frontend_properties *c = &fe->dtv_property_cache; 749 struct em28xx_i2c_bus *i2c_bus = fe->dvb->priv; 750 struct em28xx *dev = i2c_bus->dev; 751 u8 lna; 752 753 if (c->lna == 1) 754 lna = 0x01; 755 else 756 lna = 0x00; 757 758 return em28xx_write_reg_bits(dev, EM2874_R80_GPIO_P0_CTRL, lna, 0x01); 759 } 760 761 static int em28xx_mt352_terratec_xs_init(struct dvb_frontend *fe) 762 { 763 /* Values extracted from a USB trace of the Terratec Windows driver */ 764 static u8 clock_config[] = { CLOCK_CTL, 0x38, 0x2c }; 765 static u8 reset[] = { RESET, 0x80 }; 766 static u8 adc_ctl_1_cfg[] = { ADC_CTL_1, 0x40 }; 767 static u8 agc_cfg[] = { AGC_TARGET, 0x28, 0xa0 }; 768 static u8 input_freq_cfg[] = { INPUT_FREQ_1, 0x31, 0xb8 }; 769 static u8 rs_err_cfg[] = { RS_ERR_PER_1, 0x00, 0x4d }; 770 static u8 capt_range_cfg[] = { CAPT_RANGE, 0x32 }; 771 static u8 trl_nom_cfg[] = { TRL_NOMINAL_RATE_1, 0x64, 0x00 }; 772 static u8 tps_given_cfg[] = { TPS_GIVEN_1, 0x40, 0x80, 0x50 }; 773 static u8 tuner_go[] = { TUNER_GO, 0x01}; 774 775 mt352_write(fe, clock_config, sizeof(clock_config)); 776 udelay(200); 777 mt352_write(fe, reset, sizeof(reset)); 778 mt352_write(fe, adc_ctl_1_cfg, sizeof(adc_ctl_1_cfg)); 779 mt352_write(fe, agc_cfg, sizeof(agc_cfg)); 780 mt352_write(fe, input_freq_cfg, sizeof(input_freq_cfg)); 781 mt352_write(fe, rs_err_cfg, sizeof(rs_err_cfg)); 782 mt352_write(fe, capt_range_cfg, sizeof(capt_range_cfg)); 783 mt352_write(fe, trl_nom_cfg, sizeof(trl_nom_cfg)); 784 mt352_write(fe, tps_given_cfg, sizeof(tps_given_cfg)); 785 mt352_write(fe, tuner_go, sizeof(tuner_go)); 786 return 0; 787 } 788 789 static struct mt352_config terratec_xs_mt352_cfg = { 790 .demod_address = (0x1e >> 1), 791 .no_tuner = 1, 792 .if2 = 45600, 793 .demod_init = em28xx_mt352_terratec_xs_init, 794 }; 795 796 static struct tda10023_config em28xx_tda10023_config = { 797 .demod_address = 0x0c, 798 .invert = 1, 799 }; 800 801 static struct cxd2820r_config em28xx_cxd2820r_config = { 802 .i2c_address = (0xd8 >> 1), 803 .ts_mode = CXD2820R_TS_SERIAL, 804 }; 805 806 static struct tda18271_config em28xx_cxd2820r_tda18271_config = { 807 .output_opt = TDA18271_OUTPUT_LT_OFF, 808 .gate = TDA18271_GATE_DIGITAL, 809 }; 810 811 static const struct a8293_config em28xx_a8293_config = { 812 .i2c_addr = 0x08, /* (0x10 >> 1) */ 813 }; 814 815 static struct zl10353_config em28xx_zl10353_no_i2c_gate_dev = { 816 .demod_address = (0x1e >> 1), 817 .disable_i2c_gate_ctrl = 1, 818 .no_tuner = 1, 819 .parallel_ts = 1, 820 }; 821 822 static struct qt1010_config em28xx_qt1010_config = { 823 .i2c_address = 0x62 824 }; 825 826 static const struct mb86a20s_config c3tech_duo_mb86a20s_config = { 827 .demod_address = 0x10, 828 .is_serial = true, 829 }; 830 831 static struct tda18271_std_map mb86a20s_tda18271_config = { 832 .dvbt_6 = { .if_freq = 4000, .agc_mode = 3, .std = 4, 833 .if_lvl = 1, .rfagc_top = 0x37, }, 834 }; 835 836 static struct tda18271_config c3tech_duo_tda18271_config = { 837 .std_map = &mb86a20s_tda18271_config, 838 .gate = TDA18271_GATE_DIGITAL, 839 .small_i2c = TDA18271_03_BYTE_CHUNK_INIT, 840 }; 841 842 static const struct m88ds3103_config pctv_461e_m88ds3103_config = { 843 .i2c_addr = 0x68, 844 .clock = 27000000, 845 .i2c_wr_max = 33, 846 .clock_out = 0, 847 .ts_mode = M88DS3103_TS_PARALLEL, 848 .ts_clk = 16000, 849 .ts_clk_pol = 1, 850 .agc = 0x99, 851 }; 852 853 static struct tda18271_std_map drx_j_std_map = { 854 .atsc_6 = { .if_freq = 5000, .agc_mode = 3, .std = 0, .if_lvl = 1, 855 .rfagc_top = 0x37, }, 856 .qam_6 = { .if_freq = 5380, .agc_mode = 3, .std = 3, .if_lvl = 1, 857 .rfagc_top = 0x37, }, 858 }; 859 860 static struct tda18271_config pinnacle_80e_dvb_config = { 861 .std_map = &drx_j_std_map, 862 .gate = TDA18271_GATE_DIGITAL, 863 .role = TDA18271_MASTER, 864 }; 865 866 /* ------------------------------------------------------------------ */ 867 868 static int em28xx_attach_xc3028(u8 addr, struct em28xx *dev) 869 { 870 struct dvb_frontend *fe; 871 struct xc2028_config cfg; 872 struct xc2028_ctrl ctl; 873 874 memset(&cfg, 0, sizeof(cfg)); 875 cfg.i2c_adap = &dev->i2c_adap[dev->def_i2c_bus]; 876 cfg.i2c_addr = addr; 877 878 memset(&ctl, 0, sizeof(ctl)); 879 em28xx_setup_xc3028(dev, &ctl); 880 cfg.ctrl = &ctl; 881 882 if (!dev->dvb->fe[0]) { 883 em28xx_errdev("/2: dvb frontend not attached. " 884 "Can't attach xc3028\n"); 885 return -EINVAL; 886 } 887 888 fe = dvb_attach(xc2028_attach, dev->dvb->fe[0], &cfg); 889 if (!fe) { 890 em28xx_errdev("/2: xc3028 attach failed\n"); 891 dvb_frontend_detach(dev->dvb->fe[0]); 892 dev->dvb->fe[0] = NULL; 893 return -EINVAL; 894 } 895 896 em28xx_info("%s/2: xc3028 attached\n", dev->name); 897 898 return 0; 899 } 900 901 /* ------------------------------------------------------------------ */ 902 903 static int em28xx_register_dvb(struct em28xx_dvb *dvb, struct module *module, 904 struct em28xx *dev, struct device *device) 905 { 906 int result; 907 908 mutex_init(&dvb->lock); 909 910 /* register adapter */ 911 result = dvb_register_adapter(&dvb->adapter, dev->name, module, device, 912 adapter_nr); 913 if (result < 0) { 914 printk(KERN_WARNING "%s: dvb_register_adapter failed (errno = %d)\n", 915 dev->name, result); 916 goto fail_adapter; 917 } 918 919 /* Ensure all frontends negotiate bus access */ 920 dvb->fe[0]->ops.ts_bus_ctrl = em28xx_dvb_bus_ctrl; 921 if (dvb->fe[1]) 922 dvb->fe[1]->ops.ts_bus_ctrl = em28xx_dvb_bus_ctrl; 923 924 dvb->adapter.priv = &dev->i2c_bus[dev->def_i2c_bus]; 925 926 /* register frontend */ 927 result = dvb_register_frontend(&dvb->adapter, dvb->fe[0]); 928 if (result < 0) { 929 printk(KERN_WARNING "%s: dvb_register_frontend failed (errno = %d)\n", 930 dev->name, result); 931 goto fail_frontend0; 932 } 933 934 /* register 2nd frontend */ 935 if (dvb->fe[1]) { 936 result = dvb_register_frontend(&dvb->adapter, dvb->fe[1]); 937 if (result < 0) { 938 printk(KERN_WARNING "%s: 2nd dvb_register_frontend failed (errno = %d)\n", 939 dev->name, result); 940 goto fail_frontend1; 941 } 942 } 943 944 /* register demux stuff */ 945 dvb->demux.dmx.capabilities = 946 DMX_TS_FILTERING | DMX_SECTION_FILTERING | 947 DMX_MEMORY_BASED_FILTERING; 948 dvb->demux.priv = dvb; 949 dvb->demux.filternum = 256; 950 dvb->demux.feednum = 256; 951 dvb->demux.start_feed = em28xx_start_feed; 952 dvb->demux.stop_feed = em28xx_stop_feed; 953 954 result = dvb_dmx_init(&dvb->demux); 955 if (result < 0) { 956 printk(KERN_WARNING "%s: dvb_dmx_init failed (errno = %d)\n", 957 dev->name, result); 958 goto fail_dmx; 959 } 960 961 dvb->dmxdev.filternum = 256; 962 dvb->dmxdev.demux = &dvb->demux.dmx; 963 dvb->dmxdev.capabilities = 0; 964 result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter); 965 if (result < 0) { 966 printk(KERN_WARNING "%s: dvb_dmxdev_init failed (errno = %d)\n", 967 dev->name, result); 968 goto fail_dmxdev; 969 } 970 971 dvb->fe_hw.source = DMX_FRONTEND_0; 972 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw); 973 if (result < 0) { 974 printk(KERN_WARNING "%s: add_frontend failed (DMX_FRONTEND_0, errno = %d)\n", 975 dev->name, result); 976 goto fail_fe_hw; 977 } 978 979 dvb->fe_mem.source = DMX_MEMORY_FE; 980 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem); 981 if (result < 0) { 982 printk(KERN_WARNING "%s: add_frontend failed (DMX_MEMORY_FE, errno = %d)\n", 983 dev->name, result); 984 goto fail_fe_mem; 985 } 986 987 result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw); 988 if (result < 0) { 989 printk(KERN_WARNING "%s: connect_frontend failed (errno = %d)\n", 990 dev->name, result); 991 goto fail_fe_conn; 992 } 993 994 /* register network adapter */ 995 dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx); 996 return 0; 997 998 fail_fe_conn: 999 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem); 1000 fail_fe_mem: 1001 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw); 1002 fail_fe_hw: 1003 dvb_dmxdev_release(&dvb->dmxdev); 1004 fail_dmxdev: 1005 dvb_dmx_release(&dvb->demux); 1006 fail_dmx: 1007 if (dvb->fe[1]) 1008 dvb_unregister_frontend(dvb->fe[1]); 1009 dvb_unregister_frontend(dvb->fe[0]); 1010 fail_frontend1: 1011 if (dvb->fe[1]) 1012 dvb_frontend_detach(dvb->fe[1]); 1013 fail_frontend0: 1014 dvb_frontend_detach(dvb->fe[0]); 1015 dvb_unregister_adapter(&dvb->adapter); 1016 fail_adapter: 1017 return result; 1018 } 1019 1020 static void em28xx_unregister_dvb(struct em28xx_dvb *dvb) 1021 { 1022 dvb_net_release(&dvb->net); 1023 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem); 1024 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw); 1025 dvb_dmxdev_release(&dvb->dmxdev); 1026 dvb_dmx_release(&dvb->demux); 1027 if (dvb->fe[1]) 1028 dvb_unregister_frontend(dvb->fe[1]); 1029 dvb_unregister_frontend(dvb->fe[0]); 1030 if (dvb->fe[1] && !dvb->dont_attach_fe1) 1031 dvb_frontend_detach(dvb->fe[1]); 1032 dvb_frontend_detach(dvb->fe[0]); 1033 dvb_unregister_adapter(&dvb->adapter); 1034 } 1035 1036 static int em28xx_dvb_init(struct em28xx *dev) 1037 { 1038 int result = 0; 1039 struct em28xx_dvb *dvb; 1040 1041 if (dev->is_audio_only) { 1042 /* Shouldn't initialize IR for this interface */ 1043 return 0; 1044 } 1045 1046 if (!dev->board.has_dvb) { 1047 /* This device does not support the extension */ 1048 return 0; 1049 } 1050 1051 em28xx_info("Binding DVB extension\n"); 1052 1053 dvb = kzalloc(sizeof(struct em28xx_dvb), GFP_KERNEL); 1054 if (dvb == NULL) { 1055 em28xx_info("em28xx_dvb: memory allocation failed\n"); 1056 return -ENOMEM; 1057 } 1058 dev->dvb = dvb; 1059 dvb->fe[0] = dvb->fe[1] = NULL; 1060 1061 /* pre-allocate DVB usb transfer buffers */ 1062 if (dev->dvb_xfer_bulk) { 1063 result = em28xx_alloc_urbs(dev, EM28XX_DIGITAL_MODE, 1064 dev->dvb_xfer_bulk, 1065 EM28XX_DVB_NUM_BUFS, 1066 512, 1067 EM28XX_DVB_BULK_PACKET_MULTIPLIER); 1068 } else { 1069 result = em28xx_alloc_urbs(dev, EM28XX_DIGITAL_MODE, 1070 dev->dvb_xfer_bulk, 1071 EM28XX_DVB_NUM_BUFS, 1072 dev->dvb_max_pkt_size_isoc, 1073 EM28XX_DVB_NUM_ISOC_PACKETS); 1074 } 1075 if (result) { 1076 em28xx_errdev("em28xx_dvb: failed to pre-allocate USB transfer buffers for DVB.\n"); 1077 kfree(dvb); 1078 dev->dvb = NULL; 1079 return result; 1080 } 1081 1082 mutex_lock(&dev->lock); 1083 em28xx_set_mode(dev, EM28XX_DIGITAL_MODE); 1084 /* init frontend */ 1085 switch (dev->model) { 1086 case EM2874_BOARD_LEADERSHIP_ISDBT: 1087 dvb->fe[0] = dvb_attach(s921_attach, 1088 &sharp_isdbt, &dev->i2c_adap[dev->def_i2c_bus]); 1089 1090 if (!dvb->fe[0]) { 1091 result = -EINVAL; 1092 goto out_free; 1093 } 1094 1095 break; 1096 case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_850: 1097 case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950: 1098 case EM2880_BOARD_PINNACLE_PCTV_HD_PRO: 1099 case EM2880_BOARD_AMD_ATI_TV_WONDER_HD_600: 1100 dvb->fe[0] = dvb_attach(lgdt330x_attach, 1101 &em2880_lgdt3303_dev, 1102 &dev->i2c_adap[dev->def_i2c_bus]); 1103 if (em28xx_attach_xc3028(0x61, dev) < 0) { 1104 result = -EINVAL; 1105 goto out_free; 1106 } 1107 break; 1108 case EM2880_BOARD_KWORLD_DVB_310U: 1109 dvb->fe[0] = dvb_attach(zl10353_attach, 1110 &em28xx_zl10353_with_xc3028, 1111 &dev->i2c_adap[dev->def_i2c_bus]); 1112 if (em28xx_attach_xc3028(0x61, dev) < 0) { 1113 result = -EINVAL; 1114 goto out_free; 1115 } 1116 break; 1117 case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900: 1118 case EM2882_BOARD_TERRATEC_HYBRID_XS: 1119 case EM2880_BOARD_EMPIRE_DUAL_TV: 1120 dvb->fe[0] = dvb_attach(zl10353_attach, 1121 &em28xx_zl10353_xc3028_no_i2c_gate, 1122 &dev->i2c_adap[dev->def_i2c_bus]); 1123 if (em28xx_attach_xc3028(0x61, dev) < 0) { 1124 result = -EINVAL; 1125 goto out_free; 1126 } 1127 break; 1128 case EM2880_BOARD_TERRATEC_HYBRID_XS: 1129 case EM2880_BOARD_TERRATEC_HYBRID_XS_FR: 1130 case EM2881_BOARD_PINNACLE_HYBRID_PRO: 1131 case EM2882_BOARD_DIKOM_DK300: 1132 case EM2882_BOARD_KWORLD_VS_DVBT: 1133 dvb->fe[0] = dvb_attach(zl10353_attach, 1134 &em28xx_zl10353_xc3028_no_i2c_gate, 1135 &dev->i2c_adap[dev->def_i2c_bus]); 1136 if (dvb->fe[0] == NULL) { 1137 /* This board could have either a zl10353 or a mt352. 1138 If the chip id isn't for zl10353, try mt352 */ 1139 dvb->fe[0] = dvb_attach(mt352_attach, 1140 &terratec_xs_mt352_cfg, 1141 &dev->i2c_adap[dev->def_i2c_bus]); 1142 } 1143 1144 if (em28xx_attach_xc3028(0x61, dev) < 0) { 1145 result = -EINVAL; 1146 goto out_free; 1147 } 1148 break; 1149 case EM2870_BOARD_KWORLD_355U: 1150 dvb->fe[0] = dvb_attach(zl10353_attach, 1151 &em28xx_zl10353_no_i2c_gate_dev, 1152 &dev->i2c_adap[dev->def_i2c_bus]); 1153 if (dvb->fe[0] != NULL) 1154 dvb_attach(qt1010_attach, dvb->fe[0], 1155 &dev->i2c_adap[dev->def_i2c_bus], &em28xx_qt1010_config); 1156 break; 1157 case EM2883_BOARD_KWORLD_HYBRID_330U: 1158 case EM2882_BOARD_EVGA_INDTUBE: 1159 dvb->fe[0] = dvb_attach(s5h1409_attach, 1160 &em28xx_s5h1409_with_xc3028, 1161 &dev->i2c_adap[dev->def_i2c_bus]); 1162 if (em28xx_attach_xc3028(0x61, dev) < 0) { 1163 result = -EINVAL; 1164 goto out_free; 1165 } 1166 break; 1167 case EM2882_BOARD_KWORLD_ATSC_315U: 1168 dvb->fe[0] = dvb_attach(lgdt330x_attach, 1169 &em2880_lgdt3303_dev, 1170 &dev->i2c_adap[dev->def_i2c_bus]); 1171 if (dvb->fe[0] != NULL) { 1172 if (!dvb_attach(simple_tuner_attach, dvb->fe[0], 1173 &dev->i2c_adap[dev->def_i2c_bus], 1174 0x61, TUNER_THOMSON_DTT761X)) { 1175 result = -EINVAL; 1176 goto out_free; 1177 } 1178 } 1179 break; 1180 case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900_R2: 1181 case EM2882_BOARD_PINNACLE_HYBRID_PRO_330E: 1182 dvb->fe[0] = dvb_attach(drxd_attach, &em28xx_drxd, NULL, 1183 &dev->i2c_adap[dev->def_i2c_bus], &dev->udev->dev); 1184 if (em28xx_attach_xc3028(0x61, dev) < 0) { 1185 result = -EINVAL; 1186 goto out_free; 1187 } 1188 break; 1189 case EM2870_BOARD_REDDO_DVB_C_USB_BOX: 1190 /* Philips CU1216L NIM (Philips TDA10023 + Infineon TUA6034) */ 1191 dvb->fe[0] = dvb_attach(tda10023_attach, 1192 &em28xx_tda10023_config, 1193 &dev->i2c_adap[dev->def_i2c_bus], 0x48); 1194 if (dvb->fe[0]) { 1195 if (!dvb_attach(simple_tuner_attach, dvb->fe[0], 1196 &dev->i2c_adap[dev->def_i2c_bus], 1197 0x60, TUNER_PHILIPS_CU1216L)) { 1198 result = -EINVAL; 1199 goto out_free; 1200 } 1201 } 1202 break; 1203 case EM2870_BOARD_KWORLD_A340: 1204 dvb->fe[0] = dvb_attach(lgdt3305_attach, 1205 &em2870_lgdt3304_dev, 1206 &dev->i2c_adap[dev->def_i2c_bus]); 1207 if (!dvb->fe[0]) { 1208 result = -EINVAL; 1209 goto out_free; 1210 } 1211 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60, 1212 &dev->i2c_adap[dev->def_i2c_bus], 1213 &kworld_a340_config)) { 1214 dvb_frontend_detach(dvb->fe[0]); 1215 result = -EINVAL; 1216 goto out_free; 1217 } 1218 break; 1219 case EM28174_BOARD_PCTV_290E: 1220 /* set default GPIO0 for LNA, used if GPIOLIB is undefined */ 1221 dvb->lna_gpio = CXD2820R_GPIO_E | CXD2820R_GPIO_O | 1222 CXD2820R_GPIO_L; 1223 dvb->fe[0] = dvb_attach(cxd2820r_attach, 1224 &em28xx_cxd2820r_config, 1225 &dev->i2c_adap[dev->def_i2c_bus], 1226 &dvb->lna_gpio); 1227 if (dvb->fe[0]) { 1228 /* FE 0 attach tuner */ 1229 if (!dvb_attach(tda18271_attach, 1230 dvb->fe[0], 1231 0x60, 1232 &dev->i2c_adap[dev->def_i2c_bus], 1233 &em28xx_cxd2820r_tda18271_config)) { 1234 1235 dvb_frontend_detach(dvb->fe[0]); 1236 result = -EINVAL; 1237 goto out_free; 1238 } 1239 1240 #ifdef CONFIG_GPIOLIB 1241 /* enable LNA for DVB-T, DVB-T2 and DVB-C */ 1242 result = gpio_request_one(dvb->lna_gpio, 1243 GPIOF_OUT_INIT_LOW, NULL); 1244 if (result) 1245 em28xx_errdev("gpio request failed %d\n", 1246 result); 1247 else 1248 gpio_free(dvb->lna_gpio); 1249 1250 result = 0; /* continue even set LNA fails */ 1251 #endif 1252 dvb->fe[0]->ops.set_lna = em28xx_pctv_290e_set_lna; 1253 } 1254 1255 break; 1256 case EM2884_BOARD_HAUPPAUGE_WINTV_HVR_930C: 1257 { 1258 struct xc5000_config cfg; 1259 1260 hauppauge_hvr930c_init(dev); 1261 1262 dvb->fe[0] = dvb_attach(drxk_attach, 1263 &hauppauge_930c_drxk, &dev->i2c_adap[dev->def_i2c_bus]); 1264 if (!dvb->fe[0]) { 1265 result = -EINVAL; 1266 goto out_free; 1267 } 1268 /* FIXME: do we need a pll semaphore? */ 1269 dvb->fe[0]->sec_priv = dvb; 1270 sema_init(&dvb->pll_mutex, 1); 1271 dvb->gate_ctrl = dvb->fe[0]->ops.i2c_gate_ctrl; 1272 dvb->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl; 1273 1274 /* Attach xc5000 */ 1275 memset(&cfg, 0, sizeof(cfg)); 1276 cfg.i2c_address = 0x61; 1277 cfg.if_khz = 4000; 1278 1279 if (dvb->fe[0]->ops.i2c_gate_ctrl) 1280 dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 1); 1281 if (!dvb_attach(xc5000_attach, dvb->fe[0], &dev->i2c_adap[dev->def_i2c_bus], 1282 &cfg)) { 1283 result = -EINVAL; 1284 goto out_free; 1285 } 1286 if (dvb->fe[0]->ops.i2c_gate_ctrl) 1287 dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 0); 1288 1289 break; 1290 } 1291 case EM2884_BOARD_TERRATEC_H5: 1292 terratec_h5_init(dev); 1293 1294 dvb->fe[0] = dvb_attach(drxk_attach, &terratec_h5_drxk, &dev->i2c_adap[dev->def_i2c_bus]); 1295 if (!dvb->fe[0]) { 1296 result = -EINVAL; 1297 goto out_free; 1298 } 1299 /* FIXME: do we need a pll semaphore? */ 1300 dvb->fe[0]->sec_priv = dvb; 1301 sema_init(&dvb->pll_mutex, 1); 1302 dvb->gate_ctrl = dvb->fe[0]->ops.i2c_gate_ctrl; 1303 dvb->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl; 1304 1305 /* Attach tda18271 to DVB-C frontend */ 1306 if (dvb->fe[0]->ops.i2c_gate_ctrl) 1307 dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 1); 1308 if (!dvb_attach(tda18271c2dd_attach, dvb->fe[0], &dev->i2c_adap[dev->def_i2c_bus], 0x60)) { 1309 result = -EINVAL; 1310 goto out_free; 1311 } 1312 if (dvb->fe[0]->ops.i2c_gate_ctrl) 1313 dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 0); 1314 1315 break; 1316 case EM2884_BOARD_C3TECH_DIGITAL_DUO: 1317 dvb->fe[0] = dvb_attach(mb86a20s_attach, 1318 &c3tech_duo_mb86a20s_config, 1319 &dev->i2c_adap[dev->def_i2c_bus]); 1320 if (dvb->fe[0] != NULL) 1321 dvb_attach(tda18271_attach, dvb->fe[0], 0x60, 1322 &dev->i2c_adap[dev->def_i2c_bus], 1323 &c3tech_duo_tda18271_config); 1324 break; 1325 case EM28174_BOARD_PCTV_460E: { 1326 struct i2c_client *client; 1327 struct i2c_board_info board_info; 1328 struct tda10071_platform_data tda10071_pdata = {}; 1329 struct a8293_platform_data a8293_pdata = {}; 1330 1331 /* attach demod + tuner combo */ 1332 tda10071_pdata.clk = 40444000, /* 40.444 MHz */ 1333 tda10071_pdata.i2c_wr_max = 64, 1334 tda10071_pdata.ts_mode = TDA10071_TS_SERIAL, 1335 tda10071_pdata.pll_multiplier = 20, 1336 tda10071_pdata.tuner_i2c_addr = 0x14, 1337 memset(&board_info, 0, sizeof(board_info)); 1338 strlcpy(board_info.type, "tda10071_cx24118", I2C_NAME_SIZE); 1339 board_info.addr = 0x55; 1340 board_info.platform_data = &tda10071_pdata; 1341 request_module("tda10071"); 1342 client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &board_info); 1343 if (client == NULL || client->dev.driver == NULL) { 1344 result = -ENODEV; 1345 goto out_free; 1346 } 1347 if (!try_module_get(client->dev.driver->owner)) { 1348 i2c_unregister_device(client); 1349 result = -ENODEV; 1350 goto out_free; 1351 } 1352 dvb->fe[0] = tda10071_pdata.get_dvb_frontend(client); 1353 dvb->i2c_client_demod = client; 1354 1355 /* attach SEC */ 1356 a8293_pdata.dvb_frontend = dvb->fe[0]; 1357 memset(&board_info, 0, sizeof(board_info)); 1358 strlcpy(board_info.type, "a8293", I2C_NAME_SIZE); 1359 board_info.addr = 0x08; 1360 board_info.platform_data = &a8293_pdata; 1361 request_module("a8293"); 1362 client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &board_info); 1363 if (client == NULL || client->dev.driver == NULL) { 1364 module_put(dvb->i2c_client_demod->dev.driver->owner); 1365 i2c_unregister_device(dvb->i2c_client_demod); 1366 result = -ENODEV; 1367 goto out_free; 1368 } 1369 if (!try_module_get(client->dev.driver->owner)) { 1370 i2c_unregister_device(client); 1371 module_put(dvb->i2c_client_demod->dev.driver->owner); 1372 i2c_unregister_device(dvb->i2c_client_demod); 1373 result = -ENODEV; 1374 goto out_free; 1375 } 1376 dvb->i2c_client_sec = client; 1377 break; 1378 } 1379 case EM2874_BOARD_DELOCK_61959: 1380 case EM2874_BOARD_MAXMEDIA_UB425_TC: 1381 /* attach demodulator */ 1382 dvb->fe[0] = dvb_attach(drxk_attach, &maxmedia_ub425_tc_drxk, 1383 &dev->i2c_adap[dev->def_i2c_bus]); 1384 1385 if (dvb->fe[0]) { 1386 /* disable I2C-gate */ 1387 dvb->fe[0]->ops.i2c_gate_ctrl = NULL; 1388 1389 /* attach tuner */ 1390 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60, 1391 &dev->i2c_adap[dev->def_i2c_bus], 1392 &em28xx_cxd2820r_tda18271_config)) { 1393 dvb_frontend_detach(dvb->fe[0]); 1394 result = -EINVAL; 1395 goto out_free; 1396 } 1397 } 1398 break; 1399 case EM2884_BOARD_PCTV_510E: 1400 case EM2884_BOARD_PCTV_520E: 1401 pctv_520e_init(dev); 1402 1403 /* attach demodulator */ 1404 dvb->fe[0] = dvb_attach(drxk_attach, &pctv_520e_drxk, 1405 &dev->i2c_adap[dev->def_i2c_bus]); 1406 1407 if (dvb->fe[0]) { 1408 /* attach tuner */ 1409 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60, 1410 &dev->i2c_adap[dev->def_i2c_bus], 1411 &em28xx_cxd2820r_tda18271_config)) { 1412 dvb_frontend_detach(dvb->fe[0]); 1413 result = -EINVAL; 1414 goto out_free; 1415 } 1416 } 1417 break; 1418 case EM2884_BOARD_ELGATO_EYETV_HYBRID_2008: 1419 case EM2884_BOARD_CINERGY_HTC_STICK: 1420 terratec_htc_stick_init(dev); 1421 1422 /* attach demodulator */ 1423 dvb->fe[0] = dvb_attach(drxk_attach, &terratec_htc_stick_drxk, 1424 &dev->i2c_adap[dev->def_i2c_bus]); 1425 if (!dvb->fe[0]) { 1426 result = -EINVAL; 1427 goto out_free; 1428 } 1429 1430 /* Attach the demodulator. */ 1431 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60, 1432 &dev->i2c_adap[dev->def_i2c_bus], 1433 &em28xx_cxd2820r_tda18271_config)) { 1434 result = -EINVAL; 1435 goto out_free; 1436 } 1437 break; 1438 case EM2884_BOARD_TERRATEC_HTC_USB_XS: 1439 terratec_htc_usb_xs_init(dev); 1440 1441 /* attach demodulator */ 1442 dvb->fe[0] = dvb_attach(drxk_attach, &terratec_htc_stick_drxk, 1443 &dev->i2c_adap[dev->def_i2c_bus]); 1444 if (!dvb->fe[0]) { 1445 result = -EINVAL; 1446 goto out_free; 1447 } 1448 1449 /* Attach the demodulator. */ 1450 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60, 1451 &dev->i2c_adap[dev->def_i2c_bus], 1452 &em28xx_cxd2820r_tda18271_config)) { 1453 result = -EINVAL; 1454 goto out_free; 1455 } 1456 break; 1457 case EM2874_BOARD_KWORLD_UB435Q_V2: 1458 dvb->fe[0] = dvb_attach(lgdt3305_attach, 1459 &em2874_lgdt3305_dev, 1460 &dev->i2c_adap[dev->def_i2c_bus]); 1461 if (!dvb->fe[0]) { 1462 result = -EINVAL; 1463 goto out_free; 1464 } 1465 1466 /* Attach the demodulator. */ 1467 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60, 1468 &dev->i2c_adap[dev->def_i2c_bus], 1469 &kworld_ub435q_v2_config)) { 1470 result = -EINVAL; 1471 goto out_free; 1472 } 1473 break; 1474 case EM2874_BOARD_KWORLD_UB435Q_V3: 1475 { 1476 struct i2c_client *client; 1477 struct i2c_adapter *adapter = &dev->i2c_adap[dev->def_i2c_bus]; 1478 struct i2c_board_info board_info = { 1479 .type = "tda18212", 1480 .addr = 0x60, 1481 .platform_data = &kworld_ub435q_v3_config, 1482 }; 1483 1484 dvb->fe[0] = dvb_attach(lgdt3305_attach, 1485 &em2874_lgdt3305_nogate_dev, 1486 &dev->i2c_adap[dev->def_i2c_bus]); 1487 if (!dvb->fe[0]) { 1488 result = -EINVAL; 1489 goto out_free; 1490 } 1491 1492 /* attach tuner */ 1493 kworld_ub435q_v3_config.fe = dvb->fe[0]; 1494 request_module("tda18212"); 1495 client = i2c_new_device(adapter, &board_info); 1496 if (client == NULL || client->dev.driver == NULL) { 1497 dvb_frontend_detach(dvb->fe[0]); 1498 result = -ENODEV; 1499 goto out_free; 1500 } 1501 1502 if (!try_module_get(client->dev.driver->owner)) { 1503 i2c_unregister_device(client); 1504 dvb_frontend_detach(dvb->fe[0]); 1505 result = -ENODEV; 1506 goto out_free; 1507 } 1508 1509 dvb->i2c_client_tuner = client; 1510 break; 1511 } 1512 case EM2874_BOARD_PCTV_HD_MINI_80E: 1513 dvb->fe[0] = dvb_attach(drx39xxj_attach, &dev->i2c_adap[dev->def_i2c_bus]); 1514 if (dvb->fe[0] != NULL) { 1515 dvb->fe[0] = dvb_attach(tda18271_attach, dvb->fe[0], 0x60, 1516 &dev->i2c_adap[dev->def_i2c_bus], 1517 &pinnacle_80e_dvb_config); 1518 if (!dvb->fe[0]) { 1519 result = -EINVAL; 1520 goto out_free; 1521 } 1522 } 1523 break; 1524 case EM28178_BOARD_PCTV_461E: { 1525 struct i2c_client *client; 1526 struct i2c_adapter *i2c_adapter; 1527 struct i2c_board_info board_info; 1528 struct m88ds3103_platform_data m88ds3103_pdata = {}; 1529 struct ts2020_config ts2020_config = {}; 1530 struct a8293_platform_data a8293_pdata = {}; 1531 1532 /* attach demod */ 1533 m88ds3103_pdata.clk = 27000000; 1534 m88ds3103_pdata.i2c_wr_max = 33; 1535 m88ds3103_pdata.ts_mode = M88DS3103_TS_PARALLEL; 1536 m88ds3103_pdata.ts_clk = 16000; 1537 m88ds3103_pdata.ts_clk_pol = 1; 1538 m88ds3103_pdata.agc = 0x99; 1539 memset(&board_info, 0, sizeof(board_info)); 1540 strlcpy(board_info.type, "m88ds3103", I2C_NAME_SIZE); 1541 board_info.addr = 0x68; 1542 board_info.platform_data = &m88ds3103_pdata; 1543 request_module("m88ds3103"); 1544 client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &board_info); 1545 if (client == NULL || client->dev.driver == NULL) { 1546 result = -ENODEV; 1547 goto out_free; 1548 } 1549 if (!try_module_get(client->dev.driver->owner)) { 1550 i2c_unregister_device(client); 1551 result = -ENODEV; 1552 goto out_free; 1553 } 1554 dvb->fe[0] = m88ds3103_pdata.get_dvb_frontend(client); 1555 i2c_adapter = m88ds3103_pdata.get_i2c_adapter(client); 1556 dvb->i2c_client_demod = client; 1557 1558 /* attach tuner */ 1559 ts2020_config.fe = dvb->fe[0]; 1560 memset(&board_info, 0, sizeof(board_info)); 1561 strlcpy(board_info.type, "ts2022", I2C_NAME_SIZE); 1562 board_info.addr = 0x60; 1563 board_info.platform_data = &ts2020_config; 1564 request_module("ts2020"); 1565 client = i2c_new_device(i2c_adapter, &board_info); 1566 if (client == NULL || client->dev.driver == NULL) { 1567 module_put(dvb->i2c_client_demod->dev.driver->owner); 1568 i2c_unregister_device(dvb->i2c_client_demod); 1569 result = -ENODEV; 1570 goto out_free; 1571 } 1572 if (!try_module_get(client->dev.driver->owner)) { 1573 i2c_unregister_device(client); 1574 module_put(dvb->i2c_client_demod->dev.driver->owner); 1575 i2c_unregister_device(dvb->i2c_client_demod); 1576 result = -ENODEV; 1577 goto out_free; 1578 } 1579 dvb->i2c_client_tuner = client; 1580 /* delegate signal strength measurement to tuner */ 1581 dvb->fe[0]->ops.read_signal_strength = 1582 dvb->fe[0]->ops.tuner_ops.get_rf_strength; 1583 1584 /* attach SEC */ 1585 a8293_pdata.dvb_frontend = dvb->fe[0]; 1586 memset(&board_info, 0, sizeof(board_info)); 1587 strlcpy(board_info.type, "a8293", I2C_NAME_SIZE); 1588 board_info.addr = 0x08; 1589 board_info.platform_data = &a8293_pdata; 1590 request_module("a8293"); 1591 client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &board_info); 1592 if (client == NULL || client->dev.driver == NULL) { 1593 module_put(dvb->i2c_client_tuner->dev.driver->owner); 1594 i2c_unregister_device(dvb->i2c_client_tuner); 1595 module_put(dvb->i2c_client_demod->dev.driver->owner); 1596 i2c_unregister_device(dvb->i2c_client_demod); 1597 result = -ENODEV; 1598 goto out_free; 1599 } 1600 if (!try_module_get(client->dev.driver->owner)) { 1601 i2c_unregister_device(client); 1602 module_put(dvb->i2c_client_tuner->dev.driver->owner); 1603 i2c_unregister_device(dvb->i2c_client_tuner); 1604 module_put(dvb->i2c_client_demod->dev.driver->owner); 1605 i2c_unregister_device(dvb->i2c_client_demod); 1606 result = -ENODEV; 1607 goto out_free; 1608 } 1609 dvb->i2c_client_sec = client; 1610 break; 1611 } 1612 case EM28178_BOARD_PCTV_292E: 1613 { 1614 struct i2c_adapter *adapter; 1615 struct i2c_client *client; 1616 struct i2c_board_info info; 1617 struct si2168_config si2168_config; 1618 struct si2157_config si2157_config; 1619 1620 /* attach demod */ 1621 memset(&si2168_config, 0, sizeof(si2168_config)); 1622 si2168_config.i2c_adapter = &adapter; 1623 si2168_config.fe = &dvb->fe[0]; 1624 si2168_config.ts_mode = SI2168_TS_PARALLEL; 1625 memset(&info, 0, sizeof(struct i2c_board_info)); 1626 strlcpy(info.type, "si2168", I2C_NAME_SIZE); 1627 info.addr = 0x64; 1628 info.platform_data = &si2168_config; 1629 request_module(info.type); 1630 client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &info); 1631 if (client == NULL || client->dev.driver == NULL) { 1632 result = -ENODEV; 1633 goto out_free; 1634 } 1635 1636 if (!try_module_get(client->dev.driver->owner)) { 1637 i2c_unregister_device(client); 1638 result = -ENODEV; 1639 goto out_free; 1640 } 1641 1642 dvb->i2c_client_demod = client; 1643 1644 /* attach tuner */ 1645 memset(&si2157_config, 0, sizeof(si2157_config)); 1646 si2157_config.fe = dvb->fe[0]; 1647 si2157_config.if_port = 1; 1648 memset(&info, 0, sizeof(struct i2c_board_info)); 1649 strlcpy(info.type, "si2157", I2C_NAME_SIZE); 1650 info.addr = 0x60; 1651 info.platform_data = &si2157_config; 1652 request_module(info.type); 1653 client = i2c_new_device(adapter, &info); 1654 if (client == NULL || client->dev.driver == NULL) { 1655 module_put(dvb->i2c_client_demod->dev.driver->owner); 1656 i2c_unregister_device(dvb->i2c_client_demod); 1657 result = -ENODEV; 1658 goto out_free; 1659 } 1660 1661 if (!try_module_get(client->dev.driver->owner)) { 1662 i2c_unregister_device(client); 1663 module_put(dvb->i2c_client_demod->dev.driver->owner); 1664 i2c_unregister_device(dvb->i2c_client_demod); 1665 result = -ENODEV; 1666 goto out_free; 1667 } 1668 1669 dvb->i2c_client_tuner = client; 1670 dvb->fe[0]->ops.set_lna = em28xx_pctv_292e_set_lna; 1671 } 1672 break; 1673 case EM28178_BOARD_TERRATEC_T2_STICK_HD: 1674 { 1675 struct i2c_adapter *adapter; 1676 struct i2c_client *client; 1677 struct i2c_board_info info; 1678 struct si2168_config si2168_config; 1679 struct si2157_config si2157_config; 1680 1681 /* attach demod */ 1682 memset(&si2168_config, 0, sizeof(si2168_config)); 1683 si2168_config.i2c_adapter = &adapter; 1684 si2168_config.fe = &dvb->fe[0]; 1685 si2168_config.ts_mode = SI2168_TS_PARALLEL; 1686 memset(&info, 0, sizeof(struct i2c_board_info)); 1687 strlcpy(info.type, "si2168", I2C_NAME_SIZE); 1688 info.addr = 0x64; 1689 info.platform_data = &si2168_config; 1690 request_module(info.type); 1691 client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &info); 1692 if (client == NULL || client->dev.driver == NULL) { 1693 result = -ENODEV; 1694 goto out_free; 1695 } 1696 1697 if (!try_module_get(client->dev.driver->owner)) { 1698 i2c_unregister_device(client); 1699 result = -ENODEV; 1700 goto out_free; 1701 } 1702 1703 dvb->i2c_client_demod = client; 1704 1705 /* attach tuner */ 1706 memset(&si2157_config, 0, sizeof(si2157_config)); 1707 si2157_config.fe = dvb->fe[0]; 1708 si2157_config.if_port = 0; 1709 memset(&info, 0, sizeof(struct i2c_board_info)); 1710 strlcpy(info.type, "si2146", I2C_NAME_SIZE); 1711 info.addr = 0x60; 1712 info.platform_data = &si2157_config; 1713 request_module("si2157"); 1714 client = i2c_new_device(adapter, &info); 1715 if (client == NULL || client->dev.driver == NULL) { 1716 module_put(dvb->i2c_client_demod->dev.driver->owner); 1717 i2c_unregister_device(dvb->i2c_client_demod); 1718 result = -ENODEV; 1719 goto out_free; 1720 } 1721 1722 if (!try_module_get(client->dev.driver->owner)) { 1723 i2c_unregister_device(client); 1724 module_put(dvb->i2c_client_demod->dev.driver->owner); 1725 i2c_unregister_device(dvb->i2c_client_demod); 1726 result = -ENODEV; 1727 goto out_free; 1728 } 1729 1730 dvb->i2c_client_tuner = client; 1731 } 1732 break; 1733 default: 1734 em28xx_errdev("/2: The frontend of your DVB/ATSC card" 1735 " isn't supported yet\n"); 1736 break; 1737 } 1738 if (NULL == dvb->fe[0]) { 1739 em28xx_errdev("/2: frontend initialization failed\n"); 1740 result = -EINVAL; 1741 goto out_free; 1742 } 1743 /* define general-purpose callback pointer */ 1744 dvb->fe[0]->callback = em28xx_tuner_callback; 1745 if (dvb->fe[1]) 1746 dvb->fe[1]->callback = em28xx_tuner_callback; 1747 1748 /* register everything */ 1749 result = em28xx_register_dvb(dvb, THIS_MODULE, dev, &dev->udev->dev); 1750 1751 if (result < 0) 1752 goto out_free; 1753 1754 em28xx_info("DVB extension successfully initialized\n"); 1755 1756 kref_get(&dev->ref); 1757 1758 ret: 1759 em28xx_set_mode(dev, EM28XX_SUSPEND); 1760 mutex_unlock(&dev->lock); 1761 return result; 1762 1763 out_free: 1764 kfree(dvb); 1765 dev->dvb = NULL; 1766 goto ret; 1767 } 1768 1769 static inline void prevent_sleep(struct dvb_frontend_ops *ops) 1770 { 1771 ops->set_voltage = NULL; 1772 ops->sleep = NULL; 1773 ops->tuner_ops.sleep = NULL; 1774 } 1775 1776 static int em28xx_dvb_fini(struct em28xx *dev) 1777 { 1778 struct em28xx_dvb *dvb; 1779 struct i2c_client *client; 1780 1781 if (dev->is_audio_only) { 1782 /* Shouldn't initialize IR for this interface */ 1783 return 0; 1784 } 1785 1786 if (!dev->board.has_dvb) { 1787 /* This device does not support the extension */ 1788 return 0; 1789 } 1790 1791 if (!dev->dvb) 1792 return 0; 1793 1794 em28xx_info("Closing DVB extension\n"); 1795 1796 dvb = dev->dvb; 1797 1798 em28xx_uninit_usb_xfer(dev, EM28XX_DIGITAL_MODE); 1799 1800 if (dev->disconnected) { 1801 /* We cannot tell the device to sleep 1802 * once it has been unplugged. */ 1803 if (dvb->fe[0]) { 1804 prevent_sleep(&dvb->fe[0]->ops); 1805 dvb->fe[0]->exit = DVB_FE_DEVICE_REMOVED; 1806 } 1807 if (dvb->fe[1]) { 1808 prevent_sleep(&dvb->fe[1]->ops); 1809 dvb->fe[1]->exit = DVB_FE_DEVICE_REMOVED; 1810 } 1811 } 1812 1813 /* remove I2C SEC */ 1814 client = dvb->i2c_client_sec; 1815 if (client) { 1816 module_put(client->dev.driver->owner); 1817 i2c_unregister_device(client); 1818 } 1819 1820 /* remove I2C tuner */ 1821 client = dvb->i2c_client_tuner; 1822 if (client) { 1823 module_put(client->dev.driver->owner); 1824 i2c_unregister_device(client); 1825 } 1826 1827 /* remove I2C demod */ 1828 client = dvb->i2c_client_demod; 1829 if (client) { 1830 module_put(client->dev.driver->owner); 1831 i2c_unregister_device(client); 1832 } 1833 1834 em28xx_unregister_dvb(dvb); 1835 kfree(dvb); 1836 dev->dvb = NULL; 1837 kref_put(&dev->ref, em28xx_free_device); 1838 1839 return 0; 1840 } 1841 1842 static int em28xx_dvb_suspend(struct em28xx *dev) 1843 { 1844 int ret = 0; 1845 1846 if (dev->is_audio_only) 1847 return 0; 1848 1849 if (!dev->board.has_dvb) 1850 return 0; 1851 1852 em28xx_info("Suspending DVB extension\n"); 1853 if (dev->dvb) { 1854 struct em28xx_dvb *dvb = dev->dvb; 1855 1856 if (dvb->fe[0]) { 1857 ret = dvb_frontend_suspend(dvb->fe[0]); 1858 em28xx_info("fe0 suspend %d\n", ret); 1859 } 1860 if (dvb->fe[1]) { 1861 dvb_frontend_suspend(dvb->fe[1]); 1862 em28xx_info("fe1 suspend %d\n", ret); 1863 } 1864 } 1865 1866 return 0; 1867 } 1868 1869 static int em28xx_dvb_resume(struct em28xx *dev) 1870 { 1871 int ret = 0; 1872 1873 if (dev->is_audio_only) 1874 return 0; 1875 1876 if (!dev->board.has_dvb) 1877 return 0; 1878 1879 em28xx_info("Resuming DVB extension\n"); 1880 if (dev->dvb) { 1881 struct em28xx_dvb *dvb = dev->dvb; 1882 1883 if (dvb->fe[0]) { 1884 ret = dvb_frontend_resume(dvb->fe[0]); 1885 em28xx_info("fe0 resume %d\n", ret); 1886 } 1887 1888 if (dvb->fe[1]) { 1889 ret = dvb_frontend_resume(dvb->fe[1]); 1890 em28xx_info("fe1 resume %d\n", ret); 1891 } 1892 } 1893 1894 return 0; 1895 } 1896 1897 static struct em28xx_ops dvb_ops = { 1898 .id = EM28XX_DVB, 1899 .name = "Em28xx dvb Extension", 1900 .init = em28xx_dvb_init, 1901 .fini = em28xx_dvb_fini, 1902 .suspend = em28xx_dvb_suspend, 1903 .resume = em28xx_dvb_resume, 1904 }; 1905 1906 static int __init em28xx_dvb_register(void) 1907 { 1908 return em28xx_register_extension(&dvb_ops); 1909 } 1910 1911 static void __exit em28xx_dvb_unregister(void) 1912 { 1913 em28xx_unregister_extension(&dvb_ops); 1914 } 1915 1916 module_init(em28xx_dvb_register); 1917 module_exit(em28xx_dvb_unregister); 1918