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 Sch��fer <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 61MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@infradead.org>"); 62MODULE_LICENSE("GPL"); 63MODULE_DESCRIPTION(DRIVER_DESC " - digital TV interface"); 64MODULE_VERSION(EM28XX_VERSION); 65 66static unsigned int debug; 67module_param(debug, int, 0644); 68MODULE_PARM_DESC(debug, "enable debug messages [dvb]"); 69 70DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); 71 72#define dprintk(level, fmt, arg...) do { \ 73if (debug >= level) \ 74 printk(KERN_DEBUG "%s/2-dvb: " fmt, dev->name, ## arg); \ 75} while (0) 76 77struct 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 102static 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 141static 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 191static 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 232static 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 242static 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 265static 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/* ------------------------------------------------------------------ */ 283static 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 296static struct lgdt330x_config em2880_lgdt3303_dev = { 297 .demod_address = 0x0e, 298 .demod_chip = LGDT3303, 299}; 300 301static 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 313static 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 325static 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 337static struct s921_config sharp_isdbt = { 338 .demod_address = 0x30 >> 1 339}; 340 341static 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 348static 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 357static 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 364static struct tda18271_config kworld_a340_config = { 365 .std_map = &kworld_a340_std_map, 366}; 367 368static struct tda18271_config kworld_ub435q_v2_config = { 369 .std_map = &kworld_a340_std_map, 370 .gate = TDA18271_GATE_DIGITAL, 371}; 372 373static struct tda18212_config kworld_ub435q_v3_config = { 374 .if_atsc_vsb = 3600, 375 .if_atsc_qam = 3600, 376}; 377 378static 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 386static 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 396static 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 404static 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 413static 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 426static 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 435static 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 445static 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 463static 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 530static 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 578static 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 632static 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 690static 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 717static 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 746static 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 761static 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 789static 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 796static struct tda10023_config em28xx_tda10023_config = { 797 .demod_address = 0x0c, 798 .invert = 1, 799}; 800 801static struct cxd2820r_config em28xx_cxd2820r_config = { 802 .i2c_address = (0xd8 >> 1), 803 .ts_mode = CXD2820R_TS_SERIAL, 804}; 805 806static struct tda18271_config em28xx_cxd2820r_tda18271_config = { 807 .output_opt = TDA18271_OUTPUT_LT_OFF, 808 .gate = TDA18271_GATE_DIGITAL, 809}; 810 811static struct zl10353_config em28xx_zl10353_no_i2c_gate_dev = { 812 .demod_address = (0x1e >> 1), 813 .disable_i2c_gate_ctrl = 1, 814 .no_tuner = 1, 815 .parallel_ts = 1, 816}; 817 818static struct qt1010_config em28xx_qt1010_config = { 819 .i2c_address = 0x62 820}; 821 822static const struct mb86a20s_config c3tech_duo_mb86a20s_config = { 823 .demod_address = 0x10, 824 .is_serial = true, 825}; 826 827static struct tda18271_std_map mb86a20s_tda18271_config = { 828 .dvbt_6 = { .if_freq = 4000, .agc_mode = 3, .std = 4, 829 .if_lvl = 1, .rfagc_top = 0x37, }, 830}; 831 832static struct tda18271_config c3tech_duo_tda18271_config = { 833 .std_map = &mb86a20s_tda18271_config, 834 .gate = TDA18271_GATE_DIGITAL, 835 .small_i2c = TDA18271_03_BYTE_CHUNK_INIT, 836}; 837 838static const struct m88ds3103_config pctv_461e_m88ds3103_config = { 839 .i2c_addr = 0x68, 840 .clock = 27000000, 841 .i2c_wr_max = 33, 842 .clock_out = 0, 843 .ts_mode = M88DS3103_TS_PARALLEL, 844 .ts_clk = 16000, 845 .ts_clk_pol = 1, 846 .agc = 0x99, 847}; 848 849static struct tda18271_std_map drx_j_std_map = { 850 .atsc_6 = { .if_freq = 5000, .agc_mode = 3, .std = 0, .if_lvl = 1, 851 .rfagc_top = 0x37, }, 852 .qam_6 = { .if_freq = 5380, .agc_mode = 3, .std = 3, .if_lvl = 1, 853 .rfagc_top = 0x37, }, 854}; 855 856static struct tda18271_config pinnacle_80e_dvb_config = { 857 .std_map = &drx_j_std_map, 858 .gate = TDA18271_GATE_DIGITAL, 859 .role = TDA18271_MASTER, 860}; 861 862/* ------------------------------------------------------------------ */ 863 864static int em28xx_attach_xc3028(u8 addr, struct em28xx *dev) 865{ 866 struct dvb_frontend *fe; 867 struct xc2028_config cfg; 868 struct xc2028_ctrl ctl; 869 870 memset(&cfg, 0, sizeof(cfg)); 871 cfg.i2c_adap = &dev->i2c_adap[dev->def_i2c_bus]; 872 cfg.i2c_addr = addr; 873 874 memset(&ctl, 0, sizeof(ctl)); 875 em28xx_setup_xc3028(dev, &ctl); 876 cfg.ctrl = &ctl; 877 878 if (!dev->dvb->fe[0]) { 879 em28xx_errdev("/2: dvb frontend not attached. " 880 "Can't attach xc3028\n"); 881 return -EINVAL; 882 } 883 884 fe = dvb_attach(xc2028_attach, dev->dvb->fe[0], &cfg); 885 if (!fe) { 886 em28xx_errdev("/2: xc3028 attach failed\n"); 887 dvb_frontend_detach(dev->dvb->fe[0]); 888 dev->dvb->fe[0] = NULL; 889 return -EINVAL; 890 } 891 892 em28xx_info("%s/2: xc3028 attached\n", dev->name); 893 894 return 0; 895} 896 897/* ------------------------------------------------------------------ */ 898 899static int em28xx_register_dvb(struct em28xx_dvb *dvb, struct module *module, 900 struct em28xx *dev, struct device *device) 901{ 902 int result; 903 904 mutex_init(&dvb->lock); 905 906 /* register adapter */ 907 result = dvb_register_adapter(&dvb->adapter, dev->name, module, device, 908 adapter_nr); 909 if (result < 0) { 910 printk(KERN_WARNING "%s: dvb_register_adapter failed (errno = %d)\n", 911 dev->name, result); 912 goto fail_adapter; 913 } 914 915 /* Ensure all frontends negotiate bus access */ 916 dvb->fe[0]->ops.ts_bus_ctrl = em28xx_dvb_bus_ctrl; 917 if (dvb->fe[1]) 918 dvb->fe[1]->ops.ts_bus_ctrl = em28xx_dvb_bus_ctrl; 919 920 dvb->adapter.priv = &dev->i2c_bus[dev->def_i2c_bus]; 921 922 /* register frontend */ 923 result = dvb_register_frontend(&dvb->adapter, dvb->fe[0]); 924 if (result < 0) { 925 printk(KERN_WARNING "%s: dvb_register_frontend failed (errno = %d)\n", 926 dev->name, result); 927 goto fail_frontend0; 928 } 929 930 /* register 2nd frontend */ 931 if (dvb->fe[1]) { 932 result = dvb_register_frontend(&dvb->adapter, dvb->fe[1]); 933 if (result < 0) { 934 printk(KERN_WARNING "%s: 2nd dvb_register_frontend failed (errno = %d)\n", 935 dev->name, result); 936 goto fail_frontend1; 937 } 938 } 939 940 /* register demux stuff */ 941 dvb->demux.dmx.capabilities = 942 DMX_TS_FILTERING | DMX_SECTION_FILTERING | 943 DMX_MEMORY_BASED_FILTERING; 944 dvb->demux.priv = dvb; 945 dvb->demux.filternum = 256; 946 dvb->demux.feednum = 256; 947 dvb->demux.start_feed = em28xx_start_feed; 948 dvb->demux.stop_feed = em28xx_stop_feed; 949 950 result = dvb_dmx_init(&dvb->demux); 951 if (result < 0) { 952 printk(KERN_WARNING "%s: dvb_dmx_init failed (errno = %d)\n", 953 dev->name, result); 954 goto fail_dmx; 955 } 956 957 dvb->dmxdev.filternum = 256; 958 dvb->dmxdev.demux = &dvb->demux.dmx; 959 dvb->dmxdev.capabilities = 0; 960 result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter); 961 if (result < 0) { 962 printk(KERN_WARNING "%s: dvb_dmxdev_init failed (errno = %d)\n", 963 dev->name, result); 964 goto fail_dmxdev; 965 } 966 967 dvb->fe_hw.source = DMX_FRONTEND_0; 968 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw); 969 if (result < 0) { 970 printk(KERN_WARNING "%s: add_frontend failed (DMX_FRONTEND_0, errno = %d)\n", 971 dev->name, result); 972 goto fail_fe_hw; 973 } 974 975 dvb->fe_mem.source = DMX_MEMORY_FE; 976 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem); 977 if (result < 0) { 978 printk(KERN_WARNING "%s: add_frontend failed (DMX_MEMORY_FE, errno = %d)\n", 979 dev->name, result); 980 goto fail_fe_mem; 981 } 982 983 result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw); 984 if (result < 0) { 985 printk(KERN_WARNING "%s: connect_frontend failed (errno = %d)\n", 986 dev->name, result); 987 goto fail_fe_conn; 988 } 989 990 /* register network adapter */ 991 dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx); 992 return 0; 993 994fail_fe_conn: 995 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem); 996fail_fe_mem: 997 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw); 998fail_fe_hw: 999 dvb_dmxdev_release(&dvb->dmxdev); 1000fail_dmxdev: 1001 dvb_dmx_release(&dvb->demux); 1002fail_dmx: 1003 if (dvb->fe[1]) 1004 dvb_unregister_frontend(dvb->fe[1]); 1005 dvb_unregister_frontend(dvb->fe[0]); 1006fail_frontend1: 1007 if (dvb->fe[1]) 1008 dvb_frontend_detach(dvb->fe[1]); 1009fail_frontend0: 1010 dvb_frontend_detach(dvb->fe[0]); 1011 dvb_unregister_adapter(&dvb->adapter); 1012fail_adapter: 1013 return result; 1014} 1015 1016static void em28xx_unregister_dvb(struct em28xx_dvb *dvb) 1017{ 1018 dvb_net_release(&dvb->net); 1019 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem); 1020 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw); 1021 dvb_dmxdev_release(&dvb->dmxdev); 1022 dvb_dmx_release(&dvb->demux); 1023 if (dvb->fe[1]) 1024 dvb_unregister_frontend(dvb->fe[1]); 1025 dvb_unregister_frontend(dvb->fe[0]); 1026 if (dvb->fe[1] && !dvb->dont_attach_fe1) 1027 dvb_frontend_detach(dvb->fe[1]); 1028 dvb_frontend_detach(dvb->fe[0]); 1029 dvb_unregister_adapter(&dvb->adapter); 1030} 1031 1032static int em28xx_dvb_init(struct em28xx *dev) 1033{ 1034 int result = 0; 1035 struct em28xx_dvb *dvb; 1036 1037 if (dev->is_audio_only) { 1038 /* Shouldn't initialize IR for this interface */ 1039 return 0; 1040 } 1041 1042 if (!dev->board.has_dvb) { 1043 /* This device does not support the extension */ 1044 return 0; 1045 } 1046 1047 em28xx_info("Binding DVB extension\n"); 1048 1049 dvb = kzalloc(sizeof(struct em28xx_dvb), GFP_KERNEL); 1050 if (dvb == NULL) { 1051 em28xx_info("em28xx_dvb: memory allocation failed\n"); 1052 return -ENOMEM; 1053 } 1054 dev->dvb = dvb; 1055 dvb->fe[0] = dvb->fe[1] = NULL; 1056 1057 /* pre-allocate DVB usb transfer buffers */ 1058 if (dev->dvb_xfer_bulk) { 1059 result = em28xx_alloc_urbs(dev, EM28XX_DIGITAL_MODE, 1060 dev->dvb_xfer_bulk, 1061 EM28XX_DVB_NUM_BUFS, 1062 512, 1063 EM28XX_DVB_BULK_PACKET_MULTIPLIER); 1064 } else { 1065 result = em28xx_alloc_urbs(dev, EM28XX_DIGITAL_MODE, 1066 dev->dvb_xfer_bulk, 1067 EM28XX_DVB_NUM_BUFS, 1068 dev->dvb_max_pkt_size_isoc, 1069 EM28XX_DVB_NUM_ISOC_PACKETS); 1070 } 1071 if (result) { 1072 em28xx_errdev("em28xx_dvb: failed to pre-allocate USB transfer buffers for DVB.\n"); 1073 kfree(dvb); 1074 dev->dvb = NULL; 1075 return result; 1076 } 1077 1078 mutex_lock(&dev->lock); 1079 em28xx_set_mode(dev, EM28XX_DIGITAL_MODE); 1080 /* init frontend */ 1081 switch (dev->model) { 1082 case EM2874_BOARD_LEADERSHIP_ISDBT: 1083 dvb->fe[0] = dvb_attach(s921_attach, 1084 &sharp_isdbt, &dev->i2c_adap[dev->def_i2c_bus]); 1085 1086 if (!dvb->fe[0]) { 1087 result = -EINVAL; 1088 goto out_free; 1089 } 1090 1091 break; 1092 case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_850: 1093 case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950: 1094 case EM2880_BOARD_PINNACLE_PCTV_HD_PRO: 1095 case EM2880_BOARD_AMD_ATI_TV_WONDER_HD_600: 1096 dvb->fe[0] = dvb_attach(lgdt330x_attach, 1097 &em2880_lgdt3303_dev, 1098 &dev->i2c_adap[dev->def_i2c_bus]); 1099 if (em28xx_attach_xc3028(0x61, dev) < 0) { 1100 result = -EINVAL; 1101 goto out_free; 1102 } 1103 break; 1104 case EM2880_BOARD_KWORLD_DVB_310U: 1105 dvb->fe[0] = dvb_attach(zl10353_attach, 1106 &em28xx_zl10353_with_xc3028, 1107 &dev->i2c_adap[dev->def_i2c_bus]); 1108 if (em28xx_attach_xc3028(0x61, dev) < 0) { 1109 result = -EINVAL; 1110 goto out_free; 1111 } 1112 break; 1113 case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900: 1114 case EM2882_BOARD_TERRATEC_HYBRID_XS: 1115 case EM2880_BOARD_EMPIRE_DUAL_TV: 1116 dvb->fe[0] = dvb_attach(zl10353_attach, 1117 &em28xx_zl10353_xc3028_no_i2c_gate, 1118 &dev->i2c_adap[dev->def_i2c_bus]); 1119 if (em28xx_attach_xc3028(0x61, dev) < 0) { 1120 result = -EINVAL; 1121 goto out_free; 1122 } 1123 break; 1124 case EM2880_BOARD_TERRATEC_HYBRID_XS: 1125 case EM2880_BOARD_TERRATEC_HYBRID_XS_FR: 1126 case EM2881_BOARD_PINNACLE_HYBRID_PRO: 1127 case EM2882_BOARD_DIKOM_DK300: 1128 case EM2882_BOARD_KWORLD_VS_DVBT: 1129 dvb->fe[0] = dvb_attach(zl10353_attach, 1130 &em28xx_zl10353_xc3028_no_i2c_gate, 1131 &dev->i2c_adap[dev->def_i2c_bus]); 1132 if (dvb->fe[0] == NULL) { 1133 /* This board could have either a zl10353 or a mt352. 1134 If the chip id isn't for zl10353, try mt352 */ 1135 dvb->fe[0] = dvb_attach(mt352_attach, 1136 &terratec_xs_mt352_cfg, 1137 &dev->i2c_adap[dev->def_i2c_bus]); 1138 } 1139 1140 if (em28xx_attach_xc3028(0x61, dev) < 0) { 1141 result = -EINVAL; 1142 goto out_free; 1143 } 1144 break; 1145 case EM2870_BOARD_KWORLD_355U: 1146 dvb->fe[0] = dvb_attach(zl10353_attach, 1147 &em28xx_zl10353_no_i2c_gate_dev, 1148 &dev->i2c_adap[dev->def_i2c_bus]); 1149 if (dvb->fe[0] != NULL) 1150 dvb_attach(qt1010_attach, dvb->fe[0], 1151 &dev->i2c_adap[dev->def_i2c_bus], &em28xx_qt1010_config); 1152 break; 1153 case EM2883_BOARD_KWORLD_HYBRID_330U: 1154 case EM2882_BOARD_EVGA_INDTUBE: 1155 dvb->fe[0] = dvb_attach(s5h1409_attach, 1156 &em28xx_s5h1409_with_xc3028, 1157 &dev->i2c_adap[dev->def_i2c_bus]); 1158 if (em28xx_attach_xc3028(0x61, dev) < 0) { 1159 result = -EINVAL; 1160 goto out_free; 1161 } 1162 break; 1163 case EM2882_BOARD_KWORLD_ATSC_315U: 1164 dvb->fe[0] = dvb_attach(lgdt330x_attach, 1165 &em2880_lgdt3303_dev, 1166 &dev->i2c_adap[dev->def_i2c_bus]); 1167 if (dvb->fe[0] != NULL) { 1168 if (!dvb_attach(simple_tuner_attach, dvb->fe[0], 1169 &dev->i2c_adap[dev->def_i2c_bus], 1170 0x61, TUNER_THOMSON_DTT761X)) { 1171 result = -EINVAL; 1172 goto out_free; 1173 } 1174 } 1175 break; 1176 case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900_R2: 1177 case EM2882_BOARD_PINNACLE_HYBRID_PRO_330E: 1178 dvb->fe[0] = dvb_attach(drxd_attach, &em28xx_drxd, NULL, 1179 &dev->i2c_adap[dev->def_i2c_bus], &dev->udev->dev); 1180 if (em28xx_attach_xc3028(0x61, dev) < 0) { 1181 result = -EINVAL; 1182 goto out_free; 1183 } 1184 break; 1185 case EM2870_BOARD_REDDO_DVB_C_USB_BOX: 1186 /* Philips CU1216L NIM (Philips TDA10023 + Infineon TUA6034) */ 1187 dvb->fe[0] = dvb_attach(tda10023_attach, 1188 &em28xx_tda10023_config, 1189 &dev->i2c_adap[dev->def_i2c_bus], 0x48); 1190 if (dvb->fe[0]) { 1191 if (!dvb_attach(simple_tuner_attach, dvb->fe[0], 1192 &dev->i2c_adap[dev->def_i2c_bus], 1193 0x60, TUNER_PHILIPS_CU1216L)) { 1194 result = -EINVAL; 1195 goto out_free; 1196 } 1197 } 1198 break; 1199 case EM2870_BOARD_KWORLD_A340: 1200 dvb->fe[0] = dvb_attach(lgdt3305_attach, 1201 &em2870_lgdt3304_dev, 1202 &dev->i2c_adap[dev->def_i2c_bus]); 1203 if (!dvb->fe[0]) { 1204 result = -EINVAL; 1205 goto out_free; 1206 } 1207 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60, 1208 &dev->i2c_adap[dev->def_i2c_bus], 1209 &kworld_a340_config)) { 1210 dvb_frontend_detach(dvb->fe[0]); 1211 result = -EINVAL; 1212 goto out_free; 1213 } 1214 break; 1215 case EM28174_BOARD_PCTV_290E: 1216 /* set default GPIO0 for LNA, used if GPIOLIB is undefined */ 1217 dvb->lna_gpio = CXD2820R_GPIO_E | CXD2820R_GPIO_O | 1218 CXD2820R_GPIO_L; 1219 dvb->fe[0] = dvb_attach(cxd2820r_attach, 1220 &em28xx_cxd2820r_config, 1221 &dev->i2c_adap[dev->def_i2c_bus], 1222 &dvb->lna_gpio); 1223 if (dvb->fe[0]) { 1224 /* FE 0 attach tuner */ 1225 if (!dvb_attach(tda18271_attach, 1226 dvb->fe[0], 1227 0x60, 1228 &dev->i2c_adap[dev->def_i2c_bus], 1229 &em28xx_cxd2820r_tda18271_config)) { 1230 1231 dvb_frontend_detach(dvb->fe[0]); 1232 result = -EINVAL; 1233 goto out_free; 1234 } 1235 1236#ifdef CONFIG_GPIOLIB 1237 /* enable LNA for DVB-T, DVB-T2 and DVB-C */ 1238 result = gpio_request_one(dvb->lna_gpio, 1239 GPIOF_OUT_INIT_LOW, NULL); 1240 if (result) 1241 em28xx_errdev("gpio request failed %d\n", 1242 result); 1243 else 1244 gpio_free(dvb->lna_gpio); 1245 1246 result = 0; /* continue even set LNA fails */ 1247#endif 1248 dvb->fe[0]->ops.set_lna = em28xx_pctv_290e_set_lna; 1249 } 1250 1251 break; 1252 case EM2884_BOARD_HAUPPAUGE_WINTV_HVR_930C: 1253 { 1254 struct xc5000_config cfg; 1255 1256 hauppauge_hvr930c_init(dev); 1257 1258 dvb->fe[0] = dvb_attach(drxk_attach, 1259 &hauppauge_930c_drxk, &dev->i2c_adap[dev->def_i2c_bus]); 1260 if (!dvb->fe[0]) { 1261 result = -EINVAL; 1262 goto out_free; 1263 } 1264 /* FIXME: do we need a pll semaphore? */ 1265 dvb->fe[0]->sec_priv = dvb; 1266 sema_init(&dvb->pll_mutex, 1); 1267 dvb->gate_ctrl = dvb->fe[0]->ops.i2c_gate_ctrl; 1268 dvb->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl; 1269 1270 /* Attach xc5000 */ 1271 memset(&cfg, 0, sizeof(cfg)); 1272 cfg.i2c_address = 0x61; 1273 cfg.if_khz = 4000; 1274 1275 if (dvb->fe[0]->ops.i2c_gate_ctrl) 1276 dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 1); 1277 if (!dvb_attach(xc5000_attach, dvb->fe[0], &dev->i2c_adap[dev->def_i2c_bus], 1278 &cfg)) { 1279 result = -EINVAL; 1280 goto out_free; 1281 } 1282 if (dvb->fe[0]->ops.i2c_gate_ctrl) 1283 dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 0); 1284 1285 break; 1286 } 1287 case EM2884_BOARD_TERRATEC_H5: 1288 terratec_h5_init(dev); 1289 1290 dvb->fe[0] = dvb_attach(drxk_attach, &terratec_h5_drxk, &dev->i2c_adap[dev->def_i2c_bus]); 1291 if (!dvb->fe[0]) { 1292 result = -EINVAL; 1293 goto out_free; 1294 } 1295 /* FIXME: do we need a pll semaphore? */ 1296 dvb->fe[0]->sec_priv = dvb; 1297 sema_init(&dvb->pll_mutex, 1); 1298 dvb->gate_ctrl = dvb->fe[0]->ops.i2c_gate_ctrl; 1299 dvb->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl; 1300 1301 /* Attach tda18271 to DVB-C frontend */ 1302 if (dvb->fe[0]->ops.i2c_gate_ctrl) 1303 dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 1); 1304 if (!dvb_attach(tda18271c2dd_attach, dvb->fe[0], &dev->i2c_adap[dev->def_i2c_bus], 0x60)) { 1305 result = -EINVAL; 1306 goto out_free; 1307 } 1308 if (dvb->fe[0]->ops.i2c_gate_ctrl) 1309 dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 0); 1310 1311 break; 1312 case EM2884_BOARD_C3TECH_DIGITAL_DUO: 1313 dvb->fe[0] = dvb_attach(mb86a20s_attach, 1314 &c3tech_duo_mb86a20s_config, 1315 &dev->i2c_adap[dev->def_i2c_bus]); 1316 if (dvb->fe[0] != NULL) 1317 dvb_attach(tda18271_attach, dvb->fe[0], 0x60, 1318 &dev->i2c_adap[dev->def_i2c_bus], 1319 &c3tech_duo_tda18271_config); 1320 break; 1321 case EM28174_BOARD_PCTV_460E: { 1322 struct i2c_client *client; 1323 struct i2c_board_info board_info; 1324 struct tda10071_platform_data tda10071_pdata = {}; 1325 struct a8293_platform_data a8293_pdata = {}; 1326 1327 /* attach demod + tuner combo */ 1328 tda10071_pdata.clk = 40444000, /* 40.444 MHz */ 1329 tda10071_pdata.i2c_wr_max = 64, 1330 tda10071_pdata.ts_mode = TDA10071_TS_SERIAL, 1331 tda10071_pdata.pll_multiplier = 20, 1332 tda10071_pdata.tuner_i2c_addr = 0x14, 1333 memset(&board_info, 0, sizeof(board_info)); 1334 strlcpy(board_info.type, "tda10071_cx24118", I2C_NAME_SIZE); 1335 board_info.addr = 0x55; 1336 board_info.platform_data = &tda10071_pdata; 1337 request_module("tda10071"); 1338 client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &board_info); 1339 if (client == NULL || client->dev.driver == NULL) { 1340 result = -ENODEV; 1341 goto out_free; 1342 } 1343 if (!try_module_get(client->dev.driver->owner)) { 1344 i2c_unregister_device(client); 1345 result = -ENODEV; 1346 goto out_free; 1347 } 1348 dvb->fe[0] = tda10071_pdata.get_dvb_frontend(client); 1349 dvb->i2c_client_demod = client; 1350 1351 /* attach SEC */ 1352 a8293_pdata.dvb_frontend = dvb->fe[0]; 1353 memset(&board_info, 0, sizeof(board_info)); 1354 strlcpy(board_info.type, "a8293", I2C_NAME_SIZE); 1355 board_info.addr = 0x08; 1356 board_info.platform_data = &a8293_pdata; 1357 request_module("a8293"); 1358 client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &board_info); 1359 if (client == NULL || client->dev.driver == NULL) { 1360 module_put(dvb->i2c_client_demod->dev.driver->owner); 1361 i2c_unregister_device(dvb->i2c_client_demod); 1362 result = -ENODEV; 1363 goto out_free; 1364 } 1365 if (!try_module_get(client->dev.driver->owner)) { 1366 i2c_unregister_device(client); 1367 module_put(dvb->i2c_client_demod->dev.driver->owner); 1368 i2c_unregister_device(dvb->i2c_client_demod); 1369 result = -ENODEV; 1370 goto out_free; 1371 } 1372 dvb->i2c_client_sec = client; 1373 break; 1374 } 1375 case EM2874_BOARD_DELOCK_61959: 1376 case EM2874_BOARD_MAXMEDIA_UB425_TC: 1377 /* attach demodulator */ 1378 dvb->fe[0] = dvb_attach(drxk_attach, &maxmedia_ub425_tc_drxk, 1379 &dev->i2c_adap[dev->def_i2c_bus]); 1380 1381 if (dvb->fe[0]) { 1382 /* disable I2C-gate */ 1383 dvb->fe[0]->ops.i2c_gate_ctrl = NULL; 1384 1385 /* attach tuner */ 1386 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60, 1387 &dev->i2c_adap[dev->def_i2c_bus], 1388 &em28xx_cxd2820r_tda18271_config)) { 1389 dvb_frontend_detach(dvb->fe[0]); 1390 result = -EINVAL; 1391 goto out_free; 1392 } 1393 } 1394 break; 1395 case EM2884_BOARD_PCTV_510E: 1396 case EM2884_BOARD_PCTV_520E: 1397 pctv_520e_init(dev); 1398 1399 /* attach demodulator */ 1400 dvb->fe[0] = dvb_attach(drxk_attach, &pctv_520e_drxk, 1401 &dev->i2c_adap[dev->def_i2c_bus]); 1402 1403 if (dvb->fe[0]) { 1404 /* attach tuner */ 1405 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60, 1406 &dev->i2c_adap[dev->def_i2c_bus], 1407 &em28xx_cxd2820r_tda18271_config)) { 1408 dvb_frontend_detach(dvb->fe[0]); 1409 result = -EINVAL; 1410 goto out_free; 1411 } 1412 } 1413 break; 1414 case EM2884_BOARD_ELGATO_EYETV_HYBRID_2008: 1415 case EM2884_BOARD_CINERGY_HTC_STICK: 1416 terratec_htc_stick_init(dev); 1417 1418 /* attach demodulator */ 1419 dvb->fe[0] = dvb_attach(drxk_attach, &terratec_htc_stick_drxk, 1420 &dev->i2c_adap[dev->def_i2c_bus]); 1421 if (!dvb->fe[0]) { 1422 result = -EINVAL; 1423 goto out_free; 1424 } 1425 1426 /* Attach the demodulator. */ 1427 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60, 1428 &dev->i2c_adap[dev->def_i2c_bus], 1429 &em28xx_cxd2820r_tda18271_config)) { 1430 result = -EINVAL; 1431 goto out_free; 1432 } 1433 break; 1434 case EM2884_BOARD_TERRATEC_HTC_USB_XS: 1435 terratec_htc_usb_xs_init(dev); 1436 1437 /* attach demodulator */ 1438 dvb->fe[0] = dvb_attach(drxk_attach, &terratec_htc_stick_drxk, 1439 &dev->i2c_adap[dev->def_i2c_bus]); 1440 if (!dvb->fe[0]) { 1441 result = -EINVAL; 1442 goto out_free; 1443 } 1444 1445 /* Attach the demodulator. */ 1446 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60, 1447 &dev->i2c_adap[dev->def_i2c_bus], 1448 &em28xx_cxd2820r_tda18271_config)) { 1449 result = -EINVAL; 1450 goto out_free; 1451 } 1452 break; 1453 case EM2874_BOARD_KWORLD_UB435Q_V2: 1454 dvb->fe[0] = dvb_attach(lgdt3305_attach, 1455 &em2874_lgdt3305_dev, 1456 &dev->i2c_adap[dev->def_i2c_bus]); 1457 if (!dvb->fe[0]) { 1458 result = -EINVAL; 1459 goto out_free; 1460 } 1461 1462 /* Attach the demodulator. */ 1463 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60, 1464 &dev->i2c_adap[dev->def_i2c_bus], 1465 &kworld_ub435q_v2_config)) { 1466 result = -EINVAL; 1467 goto out_free; 1468 } 1469 break; 1470 case EM2874_BOARD_KWORLD_UB435Q_V3: 1471 { 1472 struct i2c_client *client; 1473 struct i2c_adapter *adapter = &dev->i2c_adap[dev->def_i2c_bus]; 1474 struct i2c_board_info board_info = { 1475 .type = "tda18212", 1476 .addr = 0x60, 1477 .platform_data = &kworld_ub435q_v3_config, 1478 }; 1479 1480 dvb->fe[0] = dvb_attach(lgdt3305_attach, 1481 &em2874_lgdt3305_nogate_dev, 1482 &dev->i2c_adap[dev->def_i2c_bus]); 1483 if (!dvb->fe[0]) { 1484 result = -EINVAL; 1485 goto out_free; 1486 } 1487 1488 /* attach tuner */ 1489 kworld_ub435q_v3_config.fe = dvb->fe[0]; 1490 request_module("tda18212"); 1491 client = i2c_new_device(adapter, &board_info); 1492 if (client == NULL || client->dev.driver == NULL) { 1493 dvb_frontend_detach(dvb->fe[0]); 1494 result = -ENODEV; 1495 goto out_free; 1496 } 1497 1498 if (!try_module_get(client->dev.driver->owner)) { 1499 i2c_unregister_device(client); 1500 dvb_frontend_detach(dvb->fe[0]); 1501 result = -ENODEV; 1502 goto out_free; 1503 } 1504 1505 dvb->i2c_client_tuner = client; 1506 break; 1507 } 1508 case EM2874_BOARD_PCTV_HD_MINI_80E: 1509 dvb->fe[0] = dvb_attach(drx39xxj_attach, &dev->i2c_adap[dev->def_i2c_bus]); 1510 if (dvb->fe[0] != NULL) { 1511 dvb->fe[0] = dvb_attach(tda18271_attach, dvb->fe[0], 0x60, 1512 &dev->i2c_adap[dev->def_i2c_bus], 1513 &pinnacle_80e_dvb_config); 1514 if (!dvb->fe[0]) { 1515 result = -EINVAL; 1516 goto out_free; 1517 } 1518 } 1519 break; 1520 case EM28178_BOARD_PCTV_461E: { 1521 struct i2c_client *client; 1522 struct i2c_adapter *i2c_adapter; 1523 struct i2c_board_info board_info; 1524 struct m88ds3103_platform_data m88ds3103_pdata = {}; 1525 struct ts2020_config ts2020_config = {}; 1526 struct a8293_platform_data a8293_pdata = {}; 1527 1528 /* attach demod */ 1529 m88ds3103_pdata.clk = 27000000; 1530 m88ds3103_pdata.i2c_wr_max = 33; 1531 m88ds3103_pdata.ts_mode = M88DS3103_TS_PARALLEL; 1532 m88ds3103_pdata.ts_clk = 16000; 1533 m88ds3103_pdata.ts_clk_pol = 1; 1534 m88ds3103_pdata.agc = 0x99; 1535 memset(&board_info, 0, sizeof(board_info)); 1536 strlcpy(board_info.type, "m88ds3103", I2C_NAME_SIZE); 1537 board_info.addr = 0x68; 1538 board_info.platform_data = &m88ds3103_pdata; 1539 request_module("m88ds3103"); 1540 client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &board_info); 1541 if (client == NULL || client->dev.driver == NULL) { 1542 result = -ENODEV; 1543 goto out_free; 1544 } 1545 if (!try_module_get(client->dev.driver->owner)) { 1546 i2c_unregister_device(client); 1547 result = -ENODEV; 1548 goto out_free; 1549 } 1550 dvb->fe[0] = m88ds3103_pdata.get_dvb_frontend(client); 1551 i2c_adapter = m88ds3103_pdata.get_i2c_adapter(client); 1552 dvb->i2c_client_demod = client; 1553 1554 /* attach tuner */ 1555 ts2020_config.fe = dvb->fe[0]; 1556 memset(&board_info, 0, sizeof(board_info)); 1557 strlcpy(board_info.type, "ts2022", I2C_NAME_SIZE); 1558 board_info.addr = 0x60; 1559 board_info.platform_data = &ts2020_config; 1560 request_module("ts2020"); 1561 client = i2c_new_device(i2c_adapter, &board_info); 1562 if (client == NULL || client->dev.driver == NULL) { 1563 module_put(dvb->i2c_client_demod->dev.driver->owner); 1564 i2c_unregister_device(dvb->i2c_client_demod); 1565 result = -ENODEV; 1566 goto out_free; 1567 } 1568 if (!try_module_get(client->dev.driver->owner)) { 1569 i2c_unregister_device(client); 1570 module_put(dvb->i2c_client_demod->dev.driver->owner); 1571 i2c_unregister_device(dvb->i2c_client_demod); 1572 result = -ENODEV; 1573 goto out_free; 1574 } 1575 dvb->i2c_client_tuner = client; 1576 /* delegate signal strength measurement to tuner */ 1577 dvb->fe[0]->ops.read_signal_strength = 1578 dvb->fe[0]->ops.tuner_ops.get_rf_strength; 1579 1580 /* attach SEC */ 1581 a8293_pdata.dvb_frontend = dvb->fe[0]; 1582 memset(&board_info, 0, sizeof(board_info)); 1583 strlcpy(board_info.type, "a8293", I2C_NAME_SIZE); 1584 board_info.addr = 0x08; 1585 board_info.platform_data = &a8293_pdata; 1586 request_module("a8293"); 1587 client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &board_info); 1588 if (client == NULL || client->dev.driver == NULL) { 1589 module_put(dvb->i2c_client_tuner->dev.driver->owner); 1590 i2c_unregister_device(dvb->i2c_client_tuner); 1591 module_put(dvb->i2c_client_demod->dev.driver->owner); 1592 i2c_unregister_device(dvb->i2c_client_demod); 1593 result = -ENODEV; 1594 goto out_free; 1595 } 1596 if (!try_module_get(client->dev.driver->owner)) { 1597 i2c_unregister_device(client); 1598 module_put(dvb->i2c_client_tuner->dev.driver->owner); 1599 i2c_unregister_device(dvb->i2c_client_tuner); 1600 module_put(dvb->i2c_client_demod->dev.driver->owner); 1601 i2c_unregister_device(dvb->i2c_client_demod); 1602 result = -ENODEV; 1603 goto out_free; 1604 } 1605 dvb->i2c_client_sec = client; 1606 break; 1607 } 1608 case EM28178_BOARD_PCTV_292E: 1609 { 1610 struct i2c_adapter *adapter; 1611 struct i2c_client *client; 1612 struct i2c_board_info info; 1613 struct si2168_config si2168_config; 1614 struct si2157_config si2157_config; 1615 1616 /* attach demod */ 1617 memset(&si2168_config, 0, sizeof(si2168_config)); 1618 si2168_config.i2c_adapter = &adapter; 1619 si2168_config.fe = &dvb->fe[0]; 1620 si2168_config.ts_mode = SI2168_TS_PARALLEL; 1621 memset(&info, 0, sizeof(struct i2c_board_info)); 1622 strlcpy(info.type, "si2168", I2C_NAME_SIZE); 1623 info.addr = 0x64; 1624 info.platform_data = &si2168_config; 1625 request_module(info.type); 1626 client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &info); 1627 if (client == NULL || client->dev.driver == NULL) { 1628 result = -ENODEV; 1629 goto out_free; 1630 } 1631 1632 if (!try_module_get(client->dev.driver->owner)) { 1633 i2c_unregister_device(client); 1634 result = -ENODEV; 1635 goto out_free; 1636 } 1637 1638 dvb->i2c_client_demod = client; 1639 1640 /* attach tuner */ 1641 memset(&si2157_config, 0, sizeof(si2157_config)); 1642 si2157_config.fe = dvb->fe[0]; 1643 si2157_config.if_port = 1; 1644 memset(&info, 0, sizeof(struct i2c_board_info)); 1645 strlcpy(info.type, "si2157", I2C_NAME_SIZE); 1646 info.addr = 0x60; 1647 info.platform_data = &si2157_config; 1648 request_module(info.type); 1649 client = i2c_new_device(adapter, &info); 1650 if (client == NULL || client->dev.driver == NULL) { 1651 module_put(dvb->i2c_client_demod->dev.driver->owner); 1652 i2c_unregister_device(dvb->i2c_client_demod); 1653 result = -ENODEV; 1654 goto out_free; 1655 } 1656 1657 if (!try_module_get(client->dev.driver->owner)) { 1658 i2c_unregister_device(client); 1659 module_put(dvb->i2c_client_demod->dev.driver->owner); 1660 i2c_unregister_device(dvb->i2c_client_demod); 1661 result = -ENODEV; 1662 goto out_free; 1663 } 1664 1665 dvb->i2c_client_tuner = client; 1666 dvb->fe[0]->ops.set_lna = em28xx_pctv_292e_set_lna; 1667 } 1668 break; 1669 case EM28178_BOARD_TERRATEC_T2_STICK_HD: 1670 { 1671 struct i2c_adapter *adapter; 1672 struct i2c_client *client; 1673 struct i2c_board_info info; 1674 struct si2168_config si2168_config; 1675 struct si2157_config si2157_config; 1676 1677 /* attach demod */ 1678 memset(&si2168_config, 0, sizeof(si2168_config)); 1679 si2168_config.i2c_adapter = &adapter; 1680 si2168_config.fe = &dvb->fe[0]; 1681 si2168_config.ts_mode = SI2168_TS_PARALLEL; 1682 memset(&info, 0, sizeof(struct i2c_board_info)); 1683 strlcpy(info.type, "si2168", I2C_NAME_SIZE); 1684 info.addr = 0x64; 1685 info.platform_data = &si2168_config; 1686 request_module(info.type); 1687 client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &info); 1688 if (client == NULL || client->dev.driver == NULL) { 1689 result = -ENODEV; 1690 goto out_free; 1691 } 1692 1693 if (!try_module_get(client->dev.driver->owner)) { 1694 i2c_unregister_device(client); 1695 result = -ENODEV; 1696 goto out_free; 1697 } 1698 1699 dvb->i2c_client_demod = client; 1700 1701 /* attach tuner */ 1702 memset(&si2157_config, 0, sizeof(si2157_config)); 1703 si2157_config.fe = dvb->fe[0]; 1704 si2157_config.if_port = 0; 1705 memset(&info, 0, sizeof(struct i2c_board_info)); 1706 strlcpy(info.type, "si2146", I2C_NAME_SIZE); 1707 info.addr = 0x60; 1708 info.platform_data = &si2157_config; 1709 request_module("si2157"); 1710 client = i2c_new_device(adapter, &info); 1711 if (client == NULL || client->dev.driver == NULL) { 1712 module_put(dvb->i2c_client_demod->dev.driver->owner); 1713 i2c_unregister_device(dvb->i2c_client_demod); 1714 result = -ENODEV; 1715 goto out_free; 1716 } 1717 1718 if (!try_module_get(client->dev.driver->owner)) { 1719 i2c_unregister_device(client); 1720 module_put(dvb->i2c_client_demod->dev.driver->owner); 1721 i2c_unregister_device(dvb->i2c_client_demod); 1722 result = -ENODEV; 1723 goto out_free; 1724 } 1725 1726 dvb->i2c_client_tuner = client; 1727 } 1728 break; 1729 default: 1730 em28xx_errdev("/2: The frontend of your DVB/ATSC card" 1731 " isn't supported yet\n"); 1732 break; 1733 } 1734 if (NULL == dvb->fe[0]) { 1735 em28xx_errdev("/2: frontend initialization failed\n"); 1736 result = -EINVAL; 1737 goto out_free; 1738 } 1739 /* define general-purpose callback pointer */ 1740 dvb->fe[0]->callback = em28xx_tuner_callback; 1741 if (dvb->fe[1]) 1742 dvb->fe[1]->callback = em28xx_tuner_callback; 1743 1744 /* register everything */ 1745 result = em28xx_register_dvb(dvb, THIS_MODULE, dev, &dev->udev->dev); 1746 1747 if (result < 0) 1748 goto out_free; 1749 1750 em28xx_info("DVB extension successfully initialized\n"); 1751 1752 kref_get(&dev->ref); 1753 1754ret: 1755 em28xx_set_mode(dev, EM28XX_SUSPEND); 1756 mutex_unlock(&dev->lock); 1757 return result; 1758 1759out_free: 1760 kfree(dvb); 1761 dev->dvb = NULL; 1762 goto ret; 1763} 1764 1765static inline void prevent_sleep(struct dvb_frontend_ops *ops) 1766{ 1767 ops->set_voltage = NULL; 1768 ops->sleep = NULL; 1769 ops->tuner_ops.sleep = NULL; 1770} 1771 1772static int em28xx_dvb_fini(struct em28xx *dev) 1773{ 1774 struct em28xx_dvb *dvb; 1775 struct i2c_client *client; 1776 1777 if (dev->is_audio_only) { 1778 /* Shouldn't initialize IR for this interface */ 1779 return 0; 1780 } 1781 1782 if (!dev->board.has_dvb) { 1783 /* This device does not support the extension */ 1784 return 0; 1785 } 1786 1787 if (!dev->dvb) 1788 return 0; 1789 1790 em28xx_info("Closing DVB extension\n"); 1791 1792 dvb = dev->dvb; 1793 1794 em28xx_uninit_usb_xfer(dev, EM28XX_DIGITAL_MODE); 1795 1796 if (dev->disconnected) { 1797 /* We cannot tell the device to sleep 1798 * once it has been unplugged. */ 1799 if (dvb->fe[0]) { 1800 prevent_sleep(&dvb->fe[0]->ops); 1801 dvb->fe[0]->exit = DVB_FE_DEVICE_REMOVED; 1802 } 1803 if (dvb->fe[1]) { 1804 prevent_sleep(&dvb->fe[1]->ops); 1805 dvb->fe[1]->exit = DVB_FE_DEVICE_REMOVED; 1806 } 1807 } 1808 1809 /* remove I2C SEC */ 1810 client = dvb->i2c_client_sec; 1811 if (client) { 1812 module_put(client->dev.driver->owner); 1813 i2c_unregister_device(client); 1814 } 1815 1816 /* remove I2C tuner */ 1817 client = dvb->i2c_client_tuner; 1818 if (client) { 1819 module_put(client->dev.driver->owner); 1820 i2c_unregister_device(client); 1821 } 1822 1823 /* remove I2C demod */ 1824 client = dvb->i2c_client_demod; 1825 if (client) { 1826 module_put(client->dev.driver->owner); 1827 i2c_unregister_device(client); 1828 } 1829 1830 em28xx_unregister_dvb(dvb); 1831 kfree(dvb); 1832 dev->dvb = NULL; 1833 kref_put(&dev->ref, em28xx_free_device); 1834 1835 return 0; 1836} 1837 1838static int em28xx_dvb_suspend(struct em28xx *dev) 1839{ 1840 int ret = 0; 1841 1842 if (dev->is_audio_only) 1843 return 0; 1844 1845 if (!dev->board.has_dvb) 1846 return 0; 1847 1848 em28xx_info("Suspending DVB extension\n"); 1849 if (dev->dvb) { 1850 struct em28xx_dvb *dvb = dev->dvb; 1851 1852 if (dvb->fe[0]) { 1853 ret = dvb_frontend_suspend(dvb->fe[0]); 1854 em28xx_info("fe0 suspend %d\n", ret); 1855 } 1856 if (dvb->fe[1]) { 1857 dvb_frontend_suspend(dvb->fe[1]); 1858 em28xx_info("fe1 suspend %d\n", ret); 1859 } 1860 } 1861 1862 return 0; 1863} 1864 1865static int em28xx_dvb_resume(struct em28xx *dev) 1866{ 1867 int ret = 0; 1868 1869 if (dev->is_audio_only) 1870 return 0; 1871 1872 if (!dev->board.has_dvb) 1873 return 0; 1874 1875 em28xx_info("Resuming DVB extension\n"); 1876 if (dev->dvb) { 1877 struct em28xx_dvb *dvb = dev->dvb; 1878 1879 if (dvb->fe[0]) { 1880 ret = dvb_frontend_resume(dvb->fe[0]); 1881 em28xx_info("fe0 resume %d\n", ret); 1882 } 1883 1884 if (dvb->fe[1]) { 1885 ret = dvb_frontend_resume(dvb->fe[1]); 1886 em28xx_info("fe1 resume %d\n", ret); 1887 } 1888 } 1889 1890 return 0; 1891} 1892 1893static struct em28xx_ops dvb_ops = { 1894 .id = EM28XX_DVB, 1895 .name = "Em28xx dvb Extension", 1896 .init = em28xx_dvb_init, 1897 .fini = em28xx_dvb_fini, 1898 .suspend = em28xx_dvb_suspend, 1899 .resume = em28xx_dvb_resume, 1900}; 1901 1902static int __init em28xx_dvb_register(void) 1903{ 1904 return em28xx_register_extension(&dvb_ops); 1905} 1906 1907static void __exit em28xx_dvb_unregister(void) 1908{ 1909 em28xx_unregister_extension(&dvb_ops); 1910} 1911 1912module_init(em28xx_dvb_register); 1913module_exit(em28xx_dvb_unregister); 1914