1 /* 2 * Driver for Xceive XC5000 "QAM/8VSB single chip tuner" 3 * 4 * Copyright (c) 2007 Xceive Corporation 5 * Copyright (c) 2007 Steven Toth <stoth@linuxtv.org> 6 * Copyright (c) 2009 Devin Heitmueller <dheitmueller@kernellabs.com> 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; either version 2 of the License, or 11 * (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * 17 * GNU General Public License for more details. 18 */ 19 20 #include <linux/module.h> 21 #include <linux/moduleparam.h> 22 #include <linux/videodev2.h> 23 #include <linux/delay.h> 24 #include <linux/workqueue.h> 25 #include <linux/dvb/frontend.h> 26 #include <linux/i2c.h> 27 28 #include "dvb_frontend.h" 29 30 #include "xc5000.h" 31 #include "tuner-i2c.h" 32 33 static int debug; 34 module_param(debug, int, 0644); 35 MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off)."); 36 37 static int no_poweroff; 38 module_param(no_poweroff, int, 0644); 39 MODULE_PARM_DESC(no_poweroff, "0 (default) powers device off when not used.\n" 40 "\t\t1 keep device energized and with tuner ready all the times.\n" 41 "\t\tFaster, but consumes more power and keeps the device hotter"); 42 43 static DEFINE_MUTEX(xc5000_list_mutex); 44 static LIST_HEAD(hybrid_tuner_instance_list); 45 46 #define dprintk(level, fmt, arg...) if (debug >= level) \ 47 printk(KERN_INFO "%s: " fmt, "xc5000", ## arg) 48 49 struct xc5000_priv { 50 struct tuner_i2c_props i2c_props; 51 struct list_head hybrid_tuner_instance_list; 52 53 u32 if_khz; 54 u16 xtal_khz; 55 u32 freq_hz, freq_offset; 56 u32 bandwidth; 57 u8 video_standard; 58 unsigned int mode; 59 u8 rf_mode; 60 u8 radio_input; 61 u16 output_amp; 62 63 int chip_id; 64 u16 pll_register_no; 65 u8 init_status_supported; 66 u8 fw_checksum_supported; 67 68 struct dvb_frontend *fe; 69 struct delayed_work timer_sleep; 70 71 const struct firmware *firmware; 72 }; 73 74 /* Misc Defines */ 75 #define MAX_TV_STANDARD 24 76 #define XC_MAX_I2C_WRITE_LENGTH 64 77 78 /* Time to suspend after the .sleep callback is called */ 79 #define XC5000_SLEEP_TIME 5000 /* ms */ 80 81 /* Signal Types */ 82 #define XC_RF_MODE_AIR 0 83 #define XC_RF_MODE_CABLE 1 84 85 /* Product id */ 86 #define XC_PRODUCT_ID_FW_NOT_LOADED 0x2000 87 #define XC_PRODUCT_ID_FW_LOADED 0x1388 88 89 /* Registers */ 90 #define XREG_INIT 0x00 91 #define XREG_VIDEO_MODE 0x01 92 #define XREG_AUDIO_MODE 0x02 93 #define XREG_RF_FREQ 0x03 94 #define XREG_D_CODE 0x04 95 #define XREG_IF_OUT 0x05 96 #define XREG_SEEK_MODE 0x07 97 #define XREG_POWER_DOWN 0x0A /* Obsolete */ 98 /* Set the output amplitude - SIF for analog, DTVP/DTVN for digital */ 99 #define XREG_OUTPUT_AMP 0x0B 100 #define XREG_SIGNALSOURCE 0x0D /* 0=Air, 1=Cable */ 101 #define XREG_SMOOTHEDCVBS 0x0E 102 #define XREG_XTALFREQ 0x0F 103 #define XREG_FINERFREQ 0x10 104 #define XREG_DDIMODE 0x11 105 106 #define XREG_ADC_ENV 0x00 107 #define XREG_QUALITY 0x01 108 #define XREG_FRAME_LINES 0x02 109 #define XREG_HSYNC_FREQ 0x03 110 #define XREG_LOCK 0x04 111 #define XREG_FREQ_ERROR 0x05 112 #define XREG_SNR 0x06 113 #define XREG_VERSION 0x07 114 #define XREG_PRODUCT_ID 0x08 115 #define XREG_BUSY 0x09 116 #define XREG_BUILD 0x0D 117 #define XREG_TOTALGAIN 0x0F 118 #define XREG_FW_CHECKSUM 0x12 119 #define XREG_INIT_STATUS 0x13 120 121 /* 122 Basic firmware description. This will remain with 123 the driver for documentation purposes. 124 125 This represents an I2C firmware file encoded as a 126 string of unsigned char. Format is as follows: 127 128 char[0 ]=len0_MSB -> len = len_MSB * 256 + len_LSB 129 char[1 ]=len0_LSB -> length of first write transaction 130 char[2 ]=data0 -> first byte to be sent 131 char[3 ]=data1 132 char[4 ]=data2 133 char[ ]=... 134 char[M ]=dataN -> last byte to be sent 135 char[M+1]=len1_MSB -> len = len_MSB * 256 + len_LSB 136 char[M+2]=len1_LSB -> length of second write transaction 137 char[M+3]=data0 138 char[M+4]=data1 139 ... 140 etc. 141 142 The [len] value should be interpreted as follows: 143 144 len= len_MSB _ len_LSB 145 len=1111_1111_1111_1111 : End of I2C_SEQUENCE 146 len=0000_0000_0000_0000 : Reset command: Do hardware reset 147 len=0NNN_NNNN_NNNN_NNNN : Normal transaction: number of bytes = {1:32767) 148 len=1WWW_WWWW_WWWW_WWWW : Wait command: wait for {1:32767} ms 149 150 For the RESET and WAIT commands, the two following bytes will contain 151 immediately the length of the following transaction. 152 153 */ 154 struct XC_TV_STANDARD { 155 char *name; 156 u16 audio_mode; 157 u16 video_mode; 158 }; 159 160 /* Tuner standards */ 161 #define MN_NTSC_PAL_BTSC 0 162 #define MN_NTSC_PAL_A2 1 163 #define MN_NTSC_PAL_EIAJ 2 164 #define MN_NTSC_PAL_MONO 3 165 #define BG_PAL_A2 4 166 #define BG_PAL_NICAM 5 167 #define BG_PAL_MONO 6 168 #define I_PAL_NICAM 7 169 #define I_PAL_NICAM_MONO 8 170 #define DK_PAL_A2 9 171 #define DK_PAL_NICAM 10 172 #define DK_PAL_MONO 11 173 #define DK_SECAM_A2DK1 12 174 #define DK_SECAM_A2LDK3 13 175 #define DK_SECAM_A2MONO 14 176 #define L_SECAM_NICAM 15 177 #define LC_SECAM_NICAM 16 178 #define DTV6 17 179 #define DTV8 18 180 #define DTV7_8 19 181 #define DTV7 20 182 #define FM_RADIO_INPUT2 21 183 #define FM_RADIO_INPUT1 22 184 #define FM_RADIO_INPUT1_MONO 23 185 186 static struct XC_TV_STANDARD xc5000_standard[MAX_TV_STANDARD] = { 187 {"M/N-NTSC/PAL-BTSC", 0x0400, 0x8020}, 188 {"M/N-NTSC/PAL-A2", 0x0600, 0x8020}, 189 {"M/N-NTSC/PAL-EIAJ", 0x0440, 0x8020}, 190 {"M/N-NTSC/PAL-Mono", 0x0478, 0x8020}, 191 {"B/G-PAL-A2", 0x0A00, 0x8049}, 192 {"B/G-PAL-NICAM", 0x0C04, 0x8049}, 193 {"B/G-PAL-MONO", 0x0878, 0x8059}, 194 {"I-PAL-NICAM", 0x1080, 0x8009}, 195 {"I-PAL-NICAM-MONO", 0x0E78, 0x8009}, 196 {"D/K-PAL-A2", 0x1600, 0x8009}, 197 {"D/K-PAL-NICAM", 0x0E80, 0x8009}, 198 {"D/K-PAL-MONO", 0x1478, 0x8009}, 199 {"D/K-SECAM-A2 DK1", 0x1200, 0x8009}, 200 {"D/K-SECAM-A2 L/DK3", 0x0E00, 0x8009}, 201 {"D/K-SECAM-A2 MONO", 0x1478, 0x8009}, 202 {"L-SECAM-NICAM", 0x8E82, 0x0009}, 203 {"L'-SECAM-NICAM", 0x8E82, 0x4009}, 204 {"DTV6", 0x00C0, 0x8002}, 205 {"DTV8", 0x00C0, 0x800B}, 206 {"DTV7/8", 0x00C0, 0x801B}, 207 {"DTV7", 0x00C0, 0x8007}, 208 {"FM Radio-INPUT2", 0x9802, 0x9002}, 209 {"FM Radio-INPUT1", 0x0208, 0x9002}, 210 {"FM Radio-INPUT1_MONO", 0x0278, 0x9002} 211 }; 212 213 214 struct xc5000_fw_cfg { 215 char *name; 216 u16 size; 217 u16 pll_reg; 218 u8 init_status_supported; 219 u8 fw_checksum_supported; 220 }; 221 222 #define XC5000A_FIRMWARE "dvb-fe-xc5000-1.6.114.fw" 223 static const struct xc5000_fw_cfg xc5000a_1_6_114 = { 224 .name = XC5000A_FIRMWARE, 225 .size = 12401, 226 .pll_reg = 0x806c, 227 }; 228 229 #define XC5000C_FIRMWARE "dvb-fe-xc5000c-4.1.30.7.fw" 230 static const struct xc5000_fw_cfg xc5000c_41_024_5 = { 231 .name = XC5000C_FIRMWARE, 232 .size = 16497, 233 .pll_reg = 0x13, 234 .init_status_supported = 1, 235 .fw_checksum_supported = 1, 236 }; 237 238 static inline const struct xc5000_fw_cfg *xc5000_assign_firmware(int chip_id) 239 { 240 switch (chip_id) { 241 default: 242 case XC5000A: 243 return &xc5000a_1_6_114; 244 case XC5000C: 245 return &xc5000c_41_024_5; 246 } 247 } 248 249 static int xc_load_fw_and_init_tuner(struct dvb_frontend *fe, int force); 250 static int xc5000_is_firmware_loaded(struct dvb_frontend *fe); 251 static int xc5000_readreg(struct xc5000_priv *priv, u16 reg, u16 *val); 252 static int xc5000_tuner_reset(struct dvb_frontend *fe); 253 254 static int xc_send_i2c_data(struct xc5000_priv *priv, u8 *buf, int len) 255 { 256 struct i2c_msg msg = { .addr = priv->i2c_props.addr, 257 .flags = 0, .buf = buf, .len = len }; 258 259 if (i2c_transfer(priv->i2c_props.adap, &msg, 1) != 1) { 260 printk(KERN_ERR "xc5000: I2C write failed (len=%i)\n", len); 261 return -EREMOTEIO; 262 } 263 return 0; 264 } 265 266 #if 0 267 /* This routine is never used because the only time we read data from the 268 i2c bus is when we read registers, and we want that to be an atomic i2c 269 transaction in case we are on a multi-master bus */ 270 static int xc_read_i2c_data(struct xc5000_priv *priv, u8 *buf, int len) 271 { 272 struct i2c_msg msg = { .addr = priv->i2c_props.addr, 273 .flags = I2C_M_RD, .buf = buf, .len = len }; 274 275 if (i2c_transfer(priv->i2c_props.adap, &msg, 1) != 1) { 276 printk(KERN_ERR "xc5000 I2C read failed (len=%i)\n", len); 277 return -EREMOTEIO; 278 } 279 return 0; 280 } 281 #endif 282 283 static int xc5000_readreg(struct xc5000_priv *priv, u16 reg, u16 *val) 284 { 285 u8 buf[2] = { reg >> 8, reg & 0xff }; 286 u8 bval[2] = { 0, 0 }; 287 struct i2c_msg msg[2] = { 288 { .addr = priv->i2c_props.addr, 289 .flags = 0, .buf = &buf[0], .len = 2 }, 290 { .addr = priv->i2c_props.addr, 291 .flags = I2C_M_RD, .buf = &bval[0], .len = 2 }, 292 }; 293 294 if (i2c_transfer(priv->i2c_props.adap, msg, 2) != 2) { 295 printk(KERN_WARNING "xc5000: I2C read failed\n"); 296 return -EREMOTEIO; 297 } 298 299 *val = (bval[0] << 8) | bval[1]; 300 return 0; 301 } 302 303 static int xc5000_tuner_reset(struct dvb_frontend *fe) 304 { 305 struct xc5000_priv *priv = fe->tuner_priv; 306 int ret; 307 308 dprintk(1, "%s()\n", __func__); 309 310 if (fe->callback) { 311 ret = fe->callback(((fe->dvb) && (fe->dvb->priv)) ? 312 fe->dvb->priv : 313 priv->i2c_props.adap->algo_data, 314 DVB_FRONTEND_COMPONENT_TUNER, 315 XC5000_TUNER_RESET, 0); 316 if (ret) { 317 printk(KERN_ERR "xc5000: reset failed\n"); 318 return ret; 319 } 320 } else { 321 printk(KERN_ERR "xc5000: no tuner reset callback function, fatal\n"); 322 return -EINVAL; 323 } 324 return 0; 325 } 326 327 static int xc_write_reg(struct xc5000_priv *priv, u16 reg_addr, u16 i2c_data) 328 { 329 u8 buf[4]; 330 int watch_dog_timer = 100; 331 int result; 332 333 buf[0] = (reg_addr >> 8) & 0xFF; 334 buf[1] = reg_addr & 0xFF; 335 buf[2] = (i2c_data >> 8) & 0xFF; 336 buf[3] = i2c_data & 0xFF; 337 result = xc_send_i2c_data(priv, buf, 4); 338 if (result == 0) { 339 /* wait for busy flag to clear */ 340 while ((watch_dog_timer > 0) && (result == 0)) { 341 result = xc5000_readreg(priv, XREG_BUSY, (u16 *)buf); 342 if (result == 0) { 343 if ((buf[0] == 0) && (buf[1] == 0)) { 344 /* busy flag cleared */ 345 break; 346 } else { 347 msleep(5); /* wait 5 ms */ 348 watch_dog_timer--; 349 } 350 } 351 } 352 } 353 if (watch_dog_timer <= 0) 354 result = -EREMOTEIO; 355 356 return result; 357 } 358 359 static int xc_load_i2c_sequence(struct dvb_frontend *fe, const u8 *i2c_sequence) 360 { 361 struct xc5000_priv *priv = fe->tuner_priv; 362 363 int i, nbytes_to_send, result; 364 unsigned int len, pos, index; 365 u8 buf[XC_MAX_I2C_WRITE_LENGTH]; 366 367 index = 0; 368 while ((i2c_sequence[index] != 0xFF) || 369 (i2c_sequence[index + 1] != 0xFF)) { 370 len = i2c_sequence[index] * 256 + i2c_sequence[index+1]; 371 if (len == 0x0000) { 372 /* RESET command */ 373 result = xc5000_tuner_reset(fe); 374 index += 2; 375 if (result != 0) 376 return result; 377 } else if (len & 0x8000) { 378 /* WAIT command */ 379 msleep(len & 0x7FFF); 380 index += 2; 381 } else { 382 /* Send i2c data whilst ensuring individual transactions 383 * do not exceed XC_MAX_I2C_WRITE_LENGTH bytes. 384 */ 385 index += 2; 386 buf[0] = i2c_sequence[index]; 387 buf[1] = i2c_sequence[index + 1]; 388 pos = 2; 389 while (pos < len) { 390 if ((len - pos) > XC_MAX_I2C_WRITE_LENGTH - 2) 391 nbytes_to_send = 392 XC_MAX_I2C_WRITE_LENGTH; 393 else 394 nbytes_to_send = (len - pos + 2); 395 for (i = 2; i < nbytes_to_send; i++) { 396 buf[i] = i2c_sequence[index + pos + 397 i - 2]; 398 } 399 result = xc_send_i2c_data(priv, buf, 400 nbytes_to_send); 401 402 if (result != 0) 403 return result; 404 405 pos += nbytes_to_send - 2; 406 } 407 index += len; 408 } 409 } 410 return 0; 411 } 412 413 static int xc_initialize(struct xc5000_priv *priv) 414 { 415 dprintk(1, "%s()\n", __func__); 416 return xc_write_reg(priv, XREG_INIT, 0); 417 } 418 419 static int xc_set_tv_standard(struct xc5000_priv *priv, 420 u16 video_mode, u16 audio_mode, u8 radio_mode) 421 { 422 int ret; 423 dprintk(1, "%s(0x%04x,0x%04x)\n", __func__, video_mode, audio_mode); 424 if (radio_mode) { 425 dprintk(1, "%s() Standard = %s\n", 426 __func__, 427 xc5000_standard[radio_mode].name); 428 } else { 429 dprintk(1, "%s() Standard = %s\n", 430 __func__, 431 xc5000_standard[priv->video_standard].name); 432 } 433 434 ret = xc_write_reg(priv, XREG_VIDEO_MODE, video_mode); 435 if (ret == 0) 436 ret = xc_write_reg(priv, XREG_AUDIO_MODE, audio_mode); 437 438 return ret; 439 } 440 441 static int xc_set_signal_source(struct xc5000_priv *priv, u16 rf_mode) 442 { 443 dprintk(1, "%s(%d) Source = %s\n", __func__, rf_mode, 444 rf_mode == XC_RF_MODE_AIR ? "ANTENNA" : "CABLE"); 445 446 if ((rf_mode != XC_RF_MODE_AIR) && (rf_mode != XC_RF_MODE_CABLE)) { 447 rf_mode = XC_RF_MODE_CABLE; 448 printk(KERN_ERR 449 "%s(), Invalid mode, defaulting to CABLE", 450 __func__); 451 } 452 return xc_write_reg(priv, XREG_SIGNALSOURCE, rf_mode); 453 } 454 455 static const struct dvb_tuner_ops xc5000_tuner_ops; 456 457 static int xc_set_rf_frequency(struct xc5000_priv *priv, u32 freq_hz) 458 { 459 u16 freq_code; 460 461 dprintk(1, "%s(%u)\n", __func__, freq_hz); 462 463 if ((freq_hz > xc5000_tuner_ops.info.frequency_max) || 464 (freq_hz < xc5000_tuner_ops.info.frequency_min)) 465 return -EINVAL; 466 467 freq_code = (u16)(freq_hz / 15625); 468 469 /* Starting in firmware version 1.1.44, Xceive recommends using the 470 FINERFREQ for all normal tuning (the doc indicates reg 0x03 should 471 only be used for fast scanning for channel lock) */ 472 return xc_write_reg(priv, XREG_FINERFREQ, freq_code); 473 } 474 475 476 static int xc_set_IF_frequency(struct xc5000_priv *priv, u32 freq_khz) 477 { 478 u32 freq_code = (freq_khz * 1024)/1000; 479 dprintk(1, "%s(freq_khz = %d) freq_code = 0x%x\n", 480 __func__, freq_khz, freq_code); 481 482 return xc_write_reg(priv, XREG_IF_OUT, freq_code); 483 } 484 485 486 static int xc_get_adc_envelope(struct xc5000_priv *priv, u16 *adc_envelope) 487 { 488 return xc5000_readreg(priv, XREG_ADC_ENV, adc_envelope); 489 } 490 491 static int xc_get_frequency_error(struct xc5000_priv *priv, u32 *freq_error_hz) 492 { 493 int result; 494 u16 reg_data; 495 u32 tmp; 496 497 result = xc5000_readreg(priv, XREG_FREQ_ERROR, ®_data); 498 if (result != 0) 499 return result; 500 501 tmp = (u32)reg_data; 502 (*freq_error_hz) = (tmp * 15625) / 1000; 503 return result; 504 } 505 506 static int xc_get_lock_status(struct xc5000_priv *priv, u16 *lock_status) 507 { 508 return xc5000_readreg(priv, XREG_LOCK, lock_status); 509 } 510 511 static int xc_get_version(struct xc5000_priv *priv, 512 u8 *hw_majorversion, u8 *hw_minorversion, 513 u8 *fw_majorversion, u8 *fw_minorversion) 514 { 515 u16 data; 516 int result; 517 518 result = xc5000_readreg(priv, XREG_VERSION, &data); 519 if (result != 0) 520 return result; 521 522 (*hw_majorversion) = (data >> 12) & 0x0F; 523 (*hw_minorversion) = (data >> 8) & 0x0F; 524 (*fw_majorversion) = (data >> 4) & 0x0F; 525 (*fw_minorversion) = data & 0x0F; 526 527 return 0; 528 } 529 530 static int xc_get_buildversion(struct xc5000_priv *priv, u16 *buildrev) 531 { 532 return xc5000_readreg(priv, XREG_BUILD, buildrev); 533 } 534 535 static int xc_get_hsync_freq(struct xc5000_priv *priv, u32 *hsync_freq_hz) 536 { 537 u16 reg_data; 538 int result; 539 540 result = xc5000_readreg(priv, XREG_HSYNC_FREQ, ®_data); 541 if (result != 0) 542 return result; 543 544 (*hsync_freq_hz) = ((reg_data & 0x0fff) * 763)/100; 545 return result; 546 } 547 548 static int xc_get_frame_lines(struct xc5000_priv *priv, u16 *frame_lines) 549 { 550 return xc5000_readreg(priv, XREG_FRAME_LINES, frame_lines); 551 } 552 553 static int xc_get_quality(struct xc5000_priv *priv, u16 *quality) 554 { 555 return xc5000_readreg(priv, XREG_QUALITY, quality); 556 } 557 558 static int xc_get_analogsnr(struct xc5000_priv *priv, u16 *snr) 559 { 560 return xc5000_readreg(priv, XREG_SNR, snr); 561 } 562 563 static int xc_get_totalgain(struct xc5000_priv *priv, u16 *totalgain) 564 { 565 return xc5000_readreg(priv, XREG_TOTALGAIN, totalgain); 566 } 567 568 #define XC_TUNE_ANALOG 0 569 #define XC_TUNE_DIGITAL 1 570 static int xc_tune_channel(struct xc5000_priv *priv, u32 freq_hz, int mode) 571 { 572 dprintk(1, "%s(%u)\n", __func__, freq_hz); 573 574 if (xc_set_rf_frequency(priv, freq_hz) != 0) 575 return -EREMOTEIO; 576 577 return 0; 578 } 579 580 static int xc_set_xtal(struct dvb_frontend *fe) 581 { 582 struct xc5000_priv *priv = fe->tuner_priv; 583 int ret = 0; 584 585 switch (priv->chip_id) { 586 default: 587 case XC5000A: 588 /* 32.000 MHz xtal is default */ 589 break; 590 case XC5000C: 591 switch (priv->xtal_khz) { 592 default: 593 case 32000: 594 /* 32.000 MHz xtal is default */ 595 break; 596 case 31875: 597 /* 31.875 MHz xtal configuration */ 598 ret = xc_write_reg(priv, 0x000f, 0x8081); 599 break; 600 } 601 break; 602 } 603 return ret; 604 } 605 606 static int xc5000_fwupload(struct dvb_frontend *fe, 607 const struct xc5000_fw_cfg *desired_fw, 608 const struct firmware *fw) 609 { 610 struct xc5000_priv *priv = fe->tuner_priv; 611 int ret; 612 613 /* request the firmware, this will block and timeout */ 614 dprintk(1, "waiting for firmware upload (%s)...\n", 615 desired_fw->name); 616 617 priv->pll_register_no = desired_fw->pll_reg; 618 priv->init_status_supported = desired_fw->init_status_supported; 619 priv->fw_checksum_supported = desired_fw->fw_checksum_supported; 620 621 622 dprintk(1, "firmware uploading...\n"); 623 ret = xc_load_i2c_sequence(fe, fw->data); 624 if (!ret) { 625 ret = xc_set_xtal(fe); 626 dprintk(1, "Firmware upload complete...\n"); 627 } else 628 printk(KERN_ERR "xc5000: firmware upload failed...\n"); 629 630 return ret; 631 } 632 633 static void xc_debug_dump(struct xc5000_priv *priv) 634 { 635 u16 adc_envelope; 636 u32 freq_error_hz = 0; 637 u16 lock_status; 638 u32 hsync_freq_hz = 0; 639 u16 frame_lines; 640 u16 quality; 641 u16 snr; 642 u16 totalgain; 643 u8 hw_majorversion = 0, hw_minorversion = 0; 644 u8 fw_majorversion = 0, fw_minorversion = 0; 645 u16 fw_buildversion = 0; 646 u16 regval; 647 648 /* Wait for stats to stabilize. 649 * Frame Lines needs two frame times after initial lock 650 * before it is valid. 651 */ 652 msleep(100); 653 654 xc_get_adc_envelope(priv, &adc_envelope); 655 dprintk(1, "*** ADC envelope (0-1023) = %d\n", adc_envelope); 656 657 xc_get_frequency_error(priv, &freq_error_hz); 658 dprintk(1, "*** Frequency error = %d Hz\n", freq_error_hz); 659 660 xc_get_lock_status(priv, &lock_status); 661 dprintk(1, "*** Lock status (0-Wait, 1-Locked, 2-No-signal) = %d\n", 662 lock_status); 663 664 xc_get_version(priv, &hw_majorversion, &hw_minorversion, 665 &fw_majorversion, &fw_minorversion); 666 xc_get_buildversion(priv, &fw_buildversion); 667 dprintk(1, "*** HW: V%d.%d, FW: V %d.%d.%d\n", 668 hw_majorversion, hw_minorversion, 669 fw_majorversion, fw_minorversion, fw_buildversion); 670 671 xc_get_hsync_freq(priv, &hsync_freq_hz); 672 dprintk(1, "*** Horizontal sync frequency = %d Hz\n", hsync_freq_hz); 673 674 xc_get_frame_lines(priv, &frame_lines); 675 dprintk(1, "*** Frame lines = %d\n", frame_lines); 676 677 xc_get_quality(priv, &quality); 678 dprintk(1, "*** Quality (0:<8dB, 7:>56dB) = %d\n", quality & 0x07); 679 680 xc_get_analogsnr(priv, &snr); 681 dprintk(1, "*** Unweighted analog SNR = %d dB\n", snr & 0x3f); 682 683 xc_get_totalgain(priv, &totalgain); 684 dprintk(1, "*** Total gain = %d.%d dB\n", totalgain / 256, 685 (totalgain % 256) * 100 / 256); 686 687 if (priv->pll_register_no) { 688 xc5000_readreg(priv, priv->pll_register_no, ®val); 689 dprintk(1, "*** PLL lock status = 0x%04x\n", regval); 690 } 691 } 692 693 static int xc5000_tune_digital(struct dvb_frontend *fe) 694 { 695 struct xc5000_priv *priv = fe->tuner_priv; 696 int ret; 697 u32 bw = fe->dtv_property_cache.bandwidth_hz; 698 699 ret = xc_set_signal_source(priv, priv->rf_mode); 700 if (ret != 0) { 701 printk(KERN_ERR 702 "xc5000: xc_set_signal_source(%d) failed\n", 703 priv->rf_mode); 704 return -EREMOTEIO; 705 } 706 707 ret = xc_set_tv_standard(priv, 708 xc5000_standard[priv->video_standard].video_mode, 709 xc5000_standard[priv->video_standard].audio_mode, 0); 710 if (ret != 0) { 711 printk(KERN_ERR "xc5000: xc_set_tv_standard failed\n"); 712 return -EREMOTEIO; 713 } 714 715 ret = xc_set_IF_frequency(priv, priv->if_khz); 716 if (ret != 0) { 717 printk(KERN_ERR "xc5000: xc_Set_IF_frequency(%d) failed\n", 718 priv->if_khz); 719 return -EIO; 720 } 721 722 dprintk(1, "%s() setting OUTPUT_AMP to 0x%x\n", 723 __func__, priv->output_amp); 724 xc_write_reg(priv, XREG_OUTPUT_AMP, priv->output_amp); 725 726 xc_tune_channel(priv, priv->freq_hz, XC_TUNE_DIGITAL); 727 728 if (debug) 729 xc_debug_dump(priv); 730 731 priv->bandwidth = bw; 732 733 return 0; 734 } 735 736 static int xc5000_set_digital_params(struct dvb_frontend *fe) 737 { 738 int b; 739 struct xc5000_priv *priv = fe->tuner_priv; 740 u32 bw = fe->dtv_property_cache.bandwidth_hz; 741 u32 freq = fe->dtv_property_cache.frequency; 742 u32 delsys = fe->dtv_property_cache.delivery_system; 743 744 if (xc_load_fw_and_init_tuner(fe, 0) != 0) { 745 dprintk(1, "Unable to load firmware and init tuner\n"); 746 return -EINVAL; 747 } 748 749 dprintk(1, "%s() frequency=%d (Hz)\n", __func__, freq); 750 751 switch (delsys) { 752 case SYS_ATSC: 753 dprintk(1, "%s() VSB modulation\n", __func__); 754 priv->rf_mode = XC_RF_MODE_AIR; 755 priv->freq_offset = 1750000; 756 priv->video_standard = DTV6; 757 break; 758 case SYS_DVBC_ANNEX_B: 759 dprintk(1, "%s() QAM modulation\n", __func__); 760 priv->rf_mode = XC_RF_MODE_CABLE; 761 priv->freq_offset = 1750000; 762 priv->video_standard = DTV6; 763 break; 764 case SYS_ISDBT: 765 /* All ISDB-T are currently for 6 MHz bw */ 766 if (!bw) 767 bw = 6000000; 768 /* fall to OFDM handling */ 769 /* fall through */ 770 case SYS_DMBTH: 771 case SYS_DVBT: 772 case SYS_DVBT2: 773 dprintk(1, "%s() OFDM\n", __func__); 774 switch (bw) { 775 case 6000000: 776 priv->video_standard = DTV6; 777 priv->freq_offset = 1750000; 778 break; 779 case 7000000: 780 priv->video_standard = DTV7; 781 priv->freq_offset = 2250000; 782 break; 783 case 8000000: 784 priv->video_standard = DTV8; 785 priv->freq_offset = 2750000; 786 break; 787 default: 788 printk(KERN_ERR "xc5000 bandwidth not set!\n"); 789 return -EINVAL; 790 } 791 priv->rf_mode = XC_RF_MODE_AIR; 792 break; 793 case SYS_DVBC_ANNEX_A: 794 case SYS_DVBC_ANNEX_C: 795 dprintk(1, "%s() QAM modulation\n", __func__); 796 priv->rf_mode = XC_RF_MODE_CABLE; 797 if (bw <= 6000000) { 798 priv->video_standard = DTV6; 799 priv->freq_offset = 1750000; 800 b = 6; 801 } else if (bw <= 7000000) { 802 priv->video_standard = DTV7; 803 priv->freq_offset = 2250000; 804 b = 7; 805 } else { 806 priv->video_standard = DTV7_8; 807 priv->freq_offset = 2750000; 808 b = 8; 809 } 810 dprintk(1, "%s() Bandwidth %dMHz (%d)\n", __func__, 811 b, bw); 812 break; 813 default: 814 printk(KERN_ERR "xc5000: delivery system is not supported!\n"); 815 return -EINVAL; 816 } 817 818 priv->freq_hz = freq - priv->freq_offset; 819 priv->mode = V4L2_TUNER_DIGITAL_TV; 820 821 dprintk(1, "%s() frequency=%d (compensated to %d)\n", 822 __func__, freq, priv->freq_hz); 823 824 return xc5000_tune_digital(fe); 825 } 826 827 static int xc5000_is_firmware_loaded(struct dvb_frontend *fe) 828 { 829 struct xc5000_priv *priv = fe->tuner_priv; 830 int ret; 831 u16 id; 832 833 ret = xc5000_readreg(priv, XREG_PRODUCT_ID, &id); 834 if (ret == 0) { 835 if (id == XC_PRODUCT_ID_FW_NOT_LOADED) 836 ret = -ENOENT; 837 else 838 ret = 0; 839 } 840 841 dprintk(1, "%s() returns %s id = 0x%x\n", __func__, 842 ret == 0 ? "True" : "False", id); 843 return ret; 844 } 845 846 static void xc5000_config_tv(struct dvb_frontend *fe, 847 struct analog_parameters *params) 848 { 849 struct xc5000_priv *priv = fe->tuner_priv; 850 851 dprintk(1, "%s() frequency=%d (in units of 62.5khz)\n", 852 __func__, params->frequency); 853 854 /* Fix me: it could be air. */ 855 priv->rf_mode = params->mode; 856 if (params->mode > XC_RF_MODE_CABLE) 857 priv->rf_mode = XC_RF_MODE_CABLE; 858 859 /* params->frequency is in units of 62.5khz */ 860 priv->freq_hz = params->frequency * 62500; 861 862 /* FIX ME: Some video standards may have several possible audio 863 standards. We simply default to one of them here. 864 */ 865 if (params->std & V4L2_STD_MN) { 866 /* default to BTSC audio standard */ 867 priv->video_standard = MN_NTSC_PAL_BTSC; 868 return; 869 } 870 871 if (params->std & V4L2_STD_PAL_BG) { 872 /* default to NICAM audio standard */ 873 priv->video_standard = BG_PAL_NICAM; 874 return; 875 } 876 877 if (params->std & V4L2_STD_PAL_I) { 878 /* default to NICAM audio standard */ 879 priv->video_standard = I_PAL_NICAM; 880 return; 881 } 882 883 if (params->std & V4L2_STD_PAL_DK) { 884 /* default to NICAM audio standard */ 885 priv->video_standard = DK_PAL_NICAM; 886 return; 887 } 888 889 if (params->std & V4L2_STD_SECAM_DK) { 890 /* default to A2 DK1 audio standard */ 891 priv->video_standard = DK_SECAM_A2DK1; 892 return; 893 } 894 895 if (params->std & V4L2_STD_SECAM_L) { 896 priv->video_standard = L_SECAM_NICAM; 897 return; 898 } 899 900 if (params->std & V4L2_STD_SECAM_LC) { 901 priv->video_standard = LC_SECAM_NICAM; 902 return; 903 } 904 } 905 906 static int xc5000_set_tv_freq(struct dvb_frontend *fe) 907 { 908 struct xc5000_priv *priv = fe->tuner_priv; 909 u16 pll_lock_status; 910 int ret; 911 912 tune_channel: 913 ret = xc_set_signal_source(priv, priv->rf_mode); 914 if (ret != 0) { 915 printk(KERN_ERR 916 "xc5000: xc_set_signal_source(%d) failed\n", 917 priv->rf_mode); 918 return -EREMOTEIO; 919 } 920 921 ret = xc_set_tv_standard(priv, 922 xc5000_standard[priv->video_standard].video_mode, 923 xc5000_standard[priv->video_standard].audio_mode, 0); 924 if (ret != 0) { 925 printk(KERN_ERR "xc5000: xc_set_tv_standard failed\n"); 926 return -EREMOTEIO; 927 } 928 929 xc_write_reg(priv, XREG_OUTPUT_AMP, 0x09); 930 931 xc_tune_channel(priv, priv->freq_hz, XC_TUNE_ANALOG); 932 933 if (debug) 934 xc_debug_dump(priv); 935 936 if (priv->pll_register_no != 0) { 937 msleep(20); 938 xc5000_readreg(priv, priv->pll_register_no, &pll_lock_status); 939 if (pll_lock_status > 63) { 940 /* PLL is unlocked, force reload of the firmware */ 941 dprintk(1, "xc5000: PLL not locked (0x%x). Reloading...\n", 942 pll_lock_status); 943 if (xc_load_fw_and_init_tuner(fe, 1) != 0) { 944 printk(KERN_ERR "xc5000: Unable to reload fw\n"); 945 return -EREMOTEIO; 946 } 947 goto tune_channel; 948 } 949 } 950 951 return 0; 952 } 953 954 static int xc5000_config_radio(struct dvb_frontend *fe, 955 struct analog_parameters *params) 956 957 { 958 struct xc5000_priv *priv = fe->tuner_priv; 959 960 dprintk(1, "%s() frequency=%d (in units of khz)\n", 961 __func__, params->frequency); 962 963 if (priv->radio_input == XC5000_RADIO_NOT_CONFIGURED) { 964 dprintk(1, "%s() radio input not configured\n", __func__); 965 return -EINVAL; 966 } 967 968 priv->freq_hz = params->frequency * 125 / 2; 969 priv->rf_mode = XC_RF_MODE_AIR; 970 971 return 0; 972 } 973 974 static int xc5000_set_radio_freq(struct dvb_frontend *fe) 975 { 976 struct xc5000_priv *priv = fe->tuner_priv; 977 int ret; 978 u8 radio_input; 979 980 if (priv->radio_input == XC5000_RADIO_FM1) 981 radio_input = FM_RADIO_INPUT1; 982 else if (priv->radio_input == XC5000_RADIO_FM2) 983 radio_input = FM_RADIO_INPUT2; 984 else if (priv->radio_input == XC5000_RADIO_FM1_MONO) 985 radio_input = FM_RADIO_INPUT1_MONO; 986 else { 987 dprintk(1, "%s() unknown radio input %d\n", __func__, 988 priv->radio_input); 989 return -EINVAL; 990 } 991 992 ret = xc_set_tv_standard(priv, xc5000_standard[radio_input].video_mode, 993 xc5000_standard[radio_input].audio_mode, radio_input); 994 995 if (ret != 0) { 996 printk(KERN_ERR "xc5000: xc_set_tv_standard failed\n"); 997 return -EREMOTEIO; 998 } 999 1000 ret = xc_set_signal_source(priv, priv->rf_mode); 1001 if (ret != 0) { 1002 printk(KERN_ERR 1003 "xc5000: xc_set_signal_source(%d) failed\n", 1004 priv->rf_mode); 1005 return -EREMOTEIO; 1006 } 1007 1008 if ((priv->radio_input == XC5000_RADIO_FM1) || 1009 (priv->radio_input == XC5000_RADIO_FM2)) 1010 xc_write_reg(priv, XREG_OUTPUT_AMP, 0x09); 1011 else if (priv->radio_input == XC5000_RADIO_FM1_MONO) 1012 xc_write_reg(priv, XREG_OUTPUT_AMP, 0x06); 1013 1014 xc_tune_channel(priv, priv->freq_hz, XC_TUNE_ANALOG); 1015 1016 return 0; 1017 } 1018 1019 static int xc5000_set_params(struct dvb_frontend *fe) 1020 { 1021 struct xc5000_priv *priv = fe->tuner_priv; 1022 1023 if (xc_load_fw_and_init_tuner(fe, 0) != 0) { 1024 dprintk(1, "Unable to load firmware and init tuner\n"); 1025 return -EINVAL; 1026 } 1027 1028 switch (priv->mode) { 1029 case V4L2_TUNER_RADIO: 1030 return xc5000_set_radio_freq(fe); 1031 case V4L2_TUNER_ANALOG_TV: 1032 return xc5000_set_tv_freq(fe); 1033 case V4L2_TUNER_DIGITAL_TV: 1034 return xc5000_tune_digital(fe); 1035 } 1036 1037 return 0; 1038 } 1039 1040 static int xc5000_set_analog_params(struct dvb_frontend *fe, 1041 struct analog_parameters *params) 1042 { 1043 struct xc5000_priv *priv = fe->tuner_priv; 1044 int ret; 1045 1046 if (priv->i2c_props.adap == NULL) 1047 return -EINVAL; 1048 1049 switch (params->mode) { 1050 case V4L2_TUNER_RADIO: 1051 ret = xc5000_config_radio(fe, params); 1052 if (ret) 1053 return ret; 1054 break; 1055 case V4L2_TUNER_ANALOG_TV: 1056 xc5000_config_tv(fe, params); 1057 break; 1058 default: 1059 break; 1060 } 1061 priv->mode = params->mode; 1062 1063 return xc5000_set_params(fe); 1064 } 1065 1066 static int xc5000_get_frequency(struct dvb_frontend *fe, u32 *freq) 1067 { 1068 struct xc5000_priv *priv = fe->tuner_priv; 1069 dprintk(1, "%s()\n", __func__); 1070 *freq = priv->freq_hz + priv->freq_offset; 1071 return 0; 1072 } 1073 1074 static int xc5000_get_if_frequency(struct dvb_frontend *fe, u32 *freq) 1075 { 1076 struct xc5000_priv *priv = fe->tuner_priv; 1077 dprintk(1, "%s()\n", __func__); 1078 *freq = priv->if_khz * 1000; 1079 return 0; 1080 } 1081 1082 static int xc5000_get_bandwidth(struct dvb_frontend *fe, u32 *bw) 1083 { 1084 struct xc5000_priv *priv = fe->tuner_priv; 1085 dprintk(1, "%s()\n", __func__); 1086 1087 *bw = priv->bandwidth; 1088 return 0; 1089 } 1090 1091 static int xc5000_get_status(struct dvb_frontend *fe, u32 *status) 1092 { 1093 struct xc5000_priv *priv = fe->tuner_priv; 1094 u16 lock_status = 0; 1095 1096 xc_get_lock_status(priv, &lock_status); 1097 1098 dprintk(1, "%s() lock_status = 0x%08x\n", __func__, lock_status); 1099 1100 *status = lock_status; 1101 1102 return 0; 1103 } 1104 1105 static int xc_load_fw_and_init_tuner(struct dvb_frontend *fe, int force) 1106 { 1107 struct xc5000_priv *priv = fe->tuner_priv; 1108 const struct xc5000_fw_cfg *desired_fw = xc5000_assign_firmware(priv->chip_id); 1109 const struct firmware *fw; 1110 int ret, i; 1111 u16 pll_lock_status; 1112 u16 fw_ck; 1113 1114 cancel_delayed_work(&priv->timer_sleep); 1115 1116 if (!force && xc5000_is_firmware_loaded(fe) == 0) 1117 return 0; 1118 1119 if (!priv->firmware) { 1120 ret = request_firmware(&fw, desired_fw->name, 1121 priv->i2c_props.adap->dev.parent); 1122 if (ret) { 1123 pr_err("xc5000: Upload failed. rc %d\n", ret); 1124 return ret; 1125 } 1126 dprintk(1, "firmware read %zu bytes.\n", fw->size); 1127 1128 if (fw->size != desired_fw->size) { 1129 pr_err("xc5000: Firmware file with incorrect size\n"); 1130 release_firmware(fw); 1131 return -EINVAL; 1132 } 1133 priv->firmware = fw; 1134 } else 1135 fw = priv->firmware; 1136 1137 /* Try up to 5 times to load firmware */ 1138 for (i = 0; i < 5; i++) { 1139 if (i) 1140 printk(KERN_CONT " - retrying to upload firmware.\n"); 1141 1142 ret = xc5000_fwupload(fe, desired_fw, fw); 1143 if (ret != 0) 1144 goto err; 1145 1146 msleep(20); 1147 1148 if (priv->fw_checksum_supported) { 1149 if (xc5000_readreg(priv, XREG_FW_CHECKSUM, &fw_ck)) { 1150 printk(KERN_ERR 1151 "xc5000: FW checksum reading failed."); 1152 continue; 1153 } 1154 1155 if (!fw_ck) { 1156 printk(KERN_ERR 1157 "xc5000: FW checksum failed = 0x%04x.", 1158 fw_ck); 1159 continue; 1160 } 1161 } 1162 1163 /* Start the tuner self-calibration process */ 1164 ret = xc_initialize(priv); 1165 if (ret) { 1166 printk(KERN_ERR "xc5000: Can't request self-calibration."); 1167 continue; 1168 } 1169 1170 /* Wait for calibration to complete. 1171 * We could continue but XC5000 will clock stretch subsequent 1172 * I2C transactions until calibration is complete. This way we 1173 * don't have to rely on clock stretching working. 1174 */ 1175 msleep(100); 1176 1177 if (priv->init_status_supported) { 1178 if (xc5000_readreg(priv, XREG_INIT_STATUS, &fw_ck)) { 1179 printk(KERN_ERR 1180 "xc5000: FW failed reading init status."); 1181 continue; 1182 } 1183 1184 if (!fw_ck) { 1185 printk(KERN_ERR 1186 "xc5000: FW init status failed = 0x%04x.", 1187 fw_ck); 1188 continue; 1189 } 1190 } 1191 1192 if (priv->pll_register_no) { 1193 xc5000_readreg(priv, priv->pll_register_no, 1194 &pll_lock_status); 1195 if (pll_lock_status > 63) { 1196 /* PLL is unlocked, force reload of the firmware */ 1197 printk(KERN_ERR 1198 "xc5000: PLL not running after fwload."); 1199 continue; 1200 } 1201 } 1202 1203 /* Default to "CABLE" mode */ 1204 ret = xc_write_reg(priv, XREG_SIGNALSOURCE, XC_RF_MODE_CABLE); 1205 if (!ret) 1206 break; 1207 printk(KERN_ERR "xc5000: can't set to cable mode."); 1208 } 1209 1210 err: 1211 if (!ret) 1212 printk(KERN_INFO "xc5000: Firmware %s loaded and running.\n", 1213 desired_fw->name); 1214 else 1215 printk(KERN_CONT " - too many retries. Giving up\n"); 1216 1217 return ret; 1218 } 1219 1220 static void xc5000_do_timer_sleep(struct work_struct *timer_sleep) 1221 { 1222 struct xc5000_priv *priv =container_of(timer_sleep, struct xc5000_priv, 1223 timer_sleep.work); 1224 struct dvb_frontend *fe = priv->fe; 1225 int ret; 1226 1227 dprintk(1, "%s()\n", __func__); 1228 1229 /* According to Xceive technical support, the "powerdown" register 1230 was removed in newer versions of the firmware. The "supported" 1231 way to sleep the tuner is to pull the reset pin low for 10ms */ 1232 ret = xc5000_tuner_reset(fe); 1233 if (ret != 0) 1234 printk(KERN_ERR 1235 "xc5000: %s() unable to shutdown tuner\n", 1236 __func__); 1237 } 1238 1239 static int xc5000_sleep(struct dvb_frontend *fe) 1240 { 1241 struct xc5000_priv *priv = fe->tuner_priv; 1242 1243 dprintk(1, "%s()\n", __func__); 1244 1245 /* Avoid firmware reload on slow devices */ 1246 if (no_poweroff) 1247 return 0; 1248 1249 schedule_delayed_work(&priv->timer_sleep, 1250 msecs_to_jiffies(XC5000_SLEEP_TIME)); 1251 1252 return 0; 1253 } 1254 1255 static int xc5000_suspend(struct dvb_frontend *fe) 1256 { 1257 struct xc5000_priv *priv = fe->tuner_priv; 1258 int ret; 1259 1260 dprintk(1, "%s()\n", __func__); 1261 1262 cancel_delayed_work(&priv->timer_sleep); 1263 1264 ret = xc5000_tuner_reset(fe); 1265 if (ret != 0) 1266 printk(KERN_ERR 1267 "xc5000: %s() unable to shutdown tuner\n", 1268 __func__); 1269 1270 return 0; 1271 } 1272 1273 static int xc5000_resume(struct dvb_frontend *fe) 1274 { 1275 struct xc5000_priv *priv = fe->tuner_priv; 1276 1277 dprintk(1, "%s()\n", __func__); 1278 1279 /* suspended before firmware is loaded. 1280 Avoid firmware load in resume path. */ 1281 if (!priv->firmware) 1282 return 0; 1283 1284 return xc5000_set_params(fe); 1285 } 1286 1287 static int xc5000_init(struct dvb_frontend *fe) 1288 { 1289 struct xc5000_priv *priv = fe->tuner_priv; 1290 dprintk(1, "%s()\n", __func__); 1291 1292 if (xc_load_fw_and_init_tuner(fe, 0) != 0) { 1293 printk(KERN_ERR "xc5000: Unable to initialise tuner\n"); 1294 return -EREMOTEIO; 1295 } 1296 1297 if (debug) 1298 xc_debug_dump(priv); 1299 1300 return 0; 1301 } 1302 1303 static void xc5000_release(struct dvb_frontend *fe) 1304 { 1305 struct xc5000_priv *priv = fe->tuner_priv; 1306 1307 dprintk(1, "%s()\n", __func__); 1308 1309 mutex_lock(&xc5000_list_mutex); 1310 1311 if (priv) { 1312 cancel_delayed_work(&priv->timer_sleep); 1313 if (priv->firmware) { 1314 release_firmware(priv->firmware); 1315 priv->firmware = NULL; 1316 } 1317 hybrid_tuner_release_state(priv); 1318 } 1319 1320 mutex_unlock(&xc5000_list_mutex); 1321 1322 fe->tuner_priv = NULL; 1323 } 1324 1325 static int xc5000_set_config(struct dvb_frontend *fe, void *priv_cfg) 1326 { 1327 struct xc5000_priv *priv = fe->tuner_priv; 1328 struct xc5000_config *p = priv_cfg; 1329 1330 dprintk(1, "%s()\n", __func__); 1331 1332 if (p->if_khz) 1333 priv->if_khz = p->if_khz; 1334 1335 if (p->radio_input) 1336 priv->radio_input = p->radio_input; 1337 1338 if (p->output_amp) 1339 priv->output_amp = p->output_amp; 1340 1341 return 0; 1342 } 1343 1344 1345 static const struct dvb_tuner_ops xc5000_tuner_ops = { 1346 .info = { 1347 .name = "Xceive XC5000", 1348 .frequency_min = 1000000, 1349 .frequency_max = 1023000000, 1350 .frequency_step = 50000, 1351 }, 1352 1353 .release = xc5000_release, 1354 .init = xc5000_init, 1355 .sleep = xc5000_sleep, 1356 .suspend = xc5000_suspend, 1357 .resume = xc5000_resume, 1358 1359 .set_config = xc5000_set_config, 1360 .set_params = xc5000_set_digital_params, 1361 .set_analog_params = xc5000_set_analog_params, 1362 .get_frequency = xc5000_get_frequency, 1363 .get_if_frequency = xc5000_get_if_frequency, 1364 .get_bandwidth = xc5000_get_bandwidth, 1365 .get_status = xc5000_get_status 1366 }; 1367 1368 struct dvb_frontend *xc5000_attach(struct dvb_frontend *fe, 1369 struct i2c_adapter *i2c, 1370 const struct xc5000_config *cfg) 1371 { 1372 struct xc5000_priv *priv = NULL; 1373 int instance; 1374 u16 id = 0; 1375 1376 dprintk(1, "%s(%d-%04x)\n", __func__, 1377 i2c ? i2c_adapter_id(i2c) : -1, 1378 cfg ? cfg->i2c_address : -1); 1379 1380 mutex_lock(&xc5000_list_mutex); 1381 1382 instance = hybrid_tuner_request_state(struct xc5000_priv, priv, 1383 hybrid_tuner_instance_list, 1384 i2c, cfg->i2c_address, "xc5000"); 1385 switch (instance) { 1386 case 0: 1387 goto fail; 1388 case 1: 1389 /* new tuner instance */ 1390 priv->bandwidth = 6000000; 1391 fe->tuner_priv = priv; 1392 priv->fe = fe; 1393 INIT_DELAYED_WORK(&priv->timer_sleep, xc5000_do_timer_sleep); 1394 break; 1395 default: 1396 /* existing tuner instance */ 1397 fe->tuner_priv = priv; 1398 break; 1399 } 1400 1401 if (priv->if_khz == 0) { 1402 /* If the IF hasn't been set yet, use the value provided by 1403 the caller (occurs in hybrid devices where the analog 1404 call to xc5000_attach occurs before the digital side) */ 1405 priv->if_khz = cfg->if_khz; 1406 } 1407 1408 if (priv->xtal_khz == 0) 1409 priv->xtal_khz = cfg->xtal_khz; 1410 1411 if (priv->radio_input == 0) 1412 priv->radio_input = cfg->radio_input; 1413 1414 /* don't override chip id if it's already been set 1415 unless explicitly specified */ 1416 if ((priv->chip_id == 0) || (cfg->chip_id)) 1417 /* use default chip id if none specified, set to 0 so 1418 it can be overridden if this is a hybrid driver */ 1419 priv->chip_id = (cfg->chip_id) ? cfg->chip_id : 0; 1420 1421 /* don't override output_amp if it's already been set 1422 unless explicitly specified */ 1423 if ((priv->output_amp == 0) || (cfg->output_amp)) 1424 /* use default output_amp value if none specified */ 1425 priv->output_amp = (cfg->output_amp) ? cfg->output_amp : 0x8a; 1426 1427 /* Check if firmware has been loaded. It is possible that another 1428 instance of the driver has loaded the firmware. 1429 */ 1430 if (xc5000_readreg(priv, XREG_PRODUCT_ID, &id) != 0) 1431 goto fail; 1432 1433 switch (id) { 1434 case XC_PRODUCT_ID_FW_LOADED: 1435 printk(KERN_INFO 1436 "xc5000: Successfully identified at address 0x%02x\n", 1437 cfg->i2c_address); 1438 printk(KERN_INFO 1439 "xc5000: Firmware has been loaded previously\n"); 1440 break; 1441 case XC_PRODUCT_ID_FW_NOT_LOADED: 1442 printk(KERN_INFO 1443 "xc5000: Successfully identified at address 0x%02x\n", 1444 cfg->i2c_address); 1445 printk(KERN_INFO 1446 "xc5000: Firmware has not been loaded previously\n"); 1447 break; 1448 default: 1449 printk(KERN_ERR 1450 "xc5000: Device not found at addr 0x%02x (0x%x)\n", 1451 cfg->i2c_address, id); 1452 goto fail; 1453 } 1454 1455 mutex_unlock(&xc5000_list_mutex); 1456 1457 memcpy(&fe->ops.tuner_ops, &xc5000_tuner_ops, 1458 sizeof(struct dvb_tuner_ops)); 1459 1460 return fe; 1461 fail: 1462 mutex_unlock(&xc5000_list_mutex); 1463 1464 xc5000_release(fe); 1465 return NULL; 1466 } 1467 EXPORT_SYMBOL(xc5000_attach); 1468 1469 MODULE_AUTHOR("Steven Toth"); 1470 MODULE_DESCRIPTION("Xceive xc5000 silicon tuner driver"); 1471 MODULE_LICENSE("GPL"); 1472 MODULE_FIRMWARE(XC5000A_FIRMWARE); 1473 MODULE_FIRMWARE(XC5000C_FIRMWARE); 1474