1/* 2 * experimental driver for simple i2c audio chips. 3 * 4 * Copyright (c) 2000 Gerd Knorr 5 * based on code by: 6 * Eric Sandeen (eric_sandeen@bigfoot.com) 7 * Steve VanDeBogart (vandebo@uclink.berkeley.edu) 8 * Greg Alexander (galexand@acm.org) 9 * 10 * This code is placed under the terms of the GNU General Public License 11 * 12 * OPTIONS: 13 * debug - set to 1 if you'd like to see debug messages 14 * 15 */ 16 17#include <linux/module.h> 18#include <linux/moduleparam.h> 19#include <linux/kernel.h> 20#include <linux/sched.h> 21#include <linux/string.h> 22#include <linux/timer.h> 23#include <linux/delay.h> 24#include <linux/errno.h> 25#include <linux/slab.h> 26#include <linux/videodev.h> 27#include <linux/i2c.h> 28#include <linux/init.h> 29#include <linux/kthread.h> 30#include <linux/freezer.h> 31 32#include <media/tvaudio.h> 33#include <media/v4l2-common.h> 34#include <media/v4l2-chip-ident.h> 35 36#include <media/i2c-addr.h> 37 38/* ---------------------------------------------------------------------- */ 39/* insmod args */ 40 41static int debug = 0; /* insmod parameter */ 42module_param(debug, int, 0644); 43 44MODULE_DESCRIPTION("device driver for various i2c TV sound decoder / audiomux chips"); 45MODULE_AUTHOR("Eric Sandeen, Steve VanDeBogart, Greg Alexander, Gerd Knorr"); 46MODULE_LICENSE("GPL"); 47 48#define UNSET (-1U) 49 50/* ---------------------------------------------------------------------- */ 51/* our structs */ 52 53#define MAXREGS 64 54 55struct CHIPSTATE; 56typedef int (*getvalue)(int); 57typedef int (*checkit)(struct CHIPSTATE*); 58typedef int (*initialize)(struct CHIPSTATE*); 59typedef int (*getmode)(struct CHIPSTATE*); 60typedef void (*setmode)(struct CHIPSTATE*, int mode); 61typedef void (*checkmode)(struct CHIPSTATE*); 62 63/* i2c command */ 64typedef struct AUDIOCMD { 65 int count; /* # of bytes to send */ 66 unsigned char bytes[MAXREGS+1]; /* addr, data, data, ... */ 67} audiocmd; 68 69/* chip description */ 70struct CHIPDESC { 71 char *name; /* chip name */ 72 int id; /* ID */ 73 int addr_lo, addr_hi; /* i2c address range */ 74 int registers; /* # of registers */ 75 76 int *insmodopt; 77 checkit checkit; 78 initialize initialize; 79 int flags; 80#define CHIP_HAS_VOLUME 1 81#define CHIP_HAS_BASSTREBLE 2 82#define CHIP_HAS_INPUTSEL 4 83 84 /* various i2c command sequences */ 85 audiocmd init; 86 87 /* which register has which value */ 88 int leftreg,rightreg,treblereg,bassreg; 89 90 /* initialize with (defaults to 65535/65535/32768/32768 */ 91 int leftinit,rightinit,trebleinit,bassinit; 92 93 /* functions to convert the values (v4l -> chip) */ 94 getvalue volfunc,treblefunc,bassfunc; 95 96 /* get/set mode */ 97 getmode getmode; 98 setmode setmode; 99 100 /* check / autoswitch audio after channel switches */ 101 checkmode checkmode; 102 103 /* input switch register + values for v4l inputs */ 104 int inputreg; 105 int inputmap[4]; 106 int inputmute; 107 int inputmask; 108}; 109static struct CHIPDESC chiplist[]; 110 111/* current state of the chip */ 112struct CHIPSTATE { 113 struct i2c_client c; 114 115 /* index into CHIPDESC array */ 116 int type; 117 118 /* shadow register set */ 119 audiocmd shadow; 120 121 /* current settings */ 122 __u16 left,right,treble,bass,muted,mode; 123 int prevmode; 124 int radio; 125 int input; 126 127 /* thread */ 128 struct task_struct *thread; 129 struct timer_list wt; 130 int watch_stereo; 131 int audmode; 132}; 133 134/* ---------------------------------------------------------------------- */ 135/* i2c addresses */ 136 137static unsigned short normal_i2c[] = { 138 I2C_ADDR_TDA8425 >> 1, 139 I2C_ADDR_TEA6300 >> 1, 140 I2C_ADDR_TEA6420 >> 1, 141 I2C_ADDR_TDA9840 >> 1, 142 I2C_ADDR_TDA985x_L >> 1, 143 I2C_ADDR_TDA985x_H >> 1, 144 I2C_ADDR_TDA9874 >> 1, 145 I2C_ADDR_PIC16C54 >> 1, 146 I2C_CLIENT_END }; 147I2C_CLIENT_INSMOD; 148 149static struct i2c_driver driver; 150static struct i2c_client client_template; 151 152 153/* ---------------------------------------------------------------------- */ 154/* i2c I/O functions */ 155 156static int chip_write(struct CHIPSTATE *chip, int subaddr, int val) 157{ 158 unsigned char buffer[2]; 159 160 if (-1 == subaddr) { 161 v4l_dbg(1, debug, &chip->c, "%s: chip_write: 0x%x\n", 162 chip->c.name, val); 163 chip->shadow.bytes[1] = val; 164 buffer[0] = val; 165 if (1 != i2c_master_send(&chip->c,buffer,1)) { 166 v4l_warn(&chip->c, "%s: I/O error (write 0x%x)\n", 167 chip->c.name, val); 168 return -1; 169 } 170 } else { 171 v4l_dbg(1, debug, &chip->c, "%s: chip_write: reg%d=0x%x\n", 172 chip->c.name, subaddr, val); 173 chip->shadow.bytes[subaddr+1] = val; 174 buffer[0] = subaddr; 175 buffer[1] = val; 176 if (2 != i2c_master_send(&chip->c,buffer,2)) { 177 v4l_warn(&chip->c, "%s: I/O error (write reg%d=0x%x)\n", 178 chip->c.name, subaddr, val); 179 return -1; 180 } 181 } 182 return 0; 183} 184 185static int chip_write_masked(struct CHIPSTATE *chip, int subaddr, int val, int mask) 186{ 187 if (mask != 0) { 188 if (-1 == subaddr) { 189 val = (chip->shadow.bytes[1] & ~mask) | (val & mask); 190 } else { 191 val = (chip->shadow.bytes[subaddr+1] & ~mask) | (val & mask); 192 } 193 } 194 return chip_write(chip, subaddr, val); 195} 196 197static int chip_read(struct CHIPSTATE *chip) 198{ 199 unsigned char buffer; 200 201 if (1 != i2c_master_recv(&chip->c,&buffer,1)) { 202 v4l_warn(&chip->c, "%s: I/O error (read)\n", 203 chip->c.name); 204 return -1; 205 } 206 v4l_dbg(1, debug, &chip->c, "%s: chip_read: 0x%x\n",chip->c.name, buffer); 207 return buffer; 208} 209 210static int chip_read2(struct CHIPSTATE *chip, int subaddr) 211{ 212 unsigned char write[1]; 213 unsigned char read[1]; 214 struct i2c_msg msgs[2] = { 215 { chip->c.addr, 0, 1, write }, 216 { chip->c.addr, I2C_M_RD, 1, read } 217 }; 218 write[0] = subaddr; 219 220 if (2 != i2c_transfer(chip->c.adapter,msgs,2)) { 221 v4l_warn(&chip->c, "%s: I/O error (read2)\n", chip->c.name); 222 return -1; 223 } 224 v4l_dbg(1, debug, &chip->c, "%s: chip_read2: reg%d=0x%x\n", 225 chip->c.name, subaddr,read[0]); 226 return read[0]; 227} 228 229static int chip_cmd(struct CHIPSTATE *chip, char *name, audiocmd *cmd) 230{ 231 int i; 232 233 if (0 == cmd->count) 234 return 0; 235 236 /* update our shadow register set; print bytes if (debug > 0) */ 237 v4l_dbg(1, debug, &chip->c, "%s: chip_cmd(%s): reg=%d, data:", 238 chip->c.name, name,cmd->bytes[0]); 239 for (i = 1; i < cmd->count; i++) { 240 if (debug) 241 printk(" 0x%x",cmd->bytes[i]); 242 chip->shadow.bytes[i+cmd->bytes[0]] = cmd->bytes[i]; 243 } 244 if (debug) 245 printk("\n"); 246 247 /* send data to the chip */ 248 if (cmd->count != i2c_master_send(&chip->c,cmd->bytes,cmd->count)) { 249 v4l_warn(&chip->c, "%s: I/O error (%s)\n", chip->c.name, name); 250 return -1; 251 } 252 return 0; 253} 254 255/* ---------------------------------------------------------------------- */ 256/* kernel thread for doing i2c stuff asyncronly 257 * right now it is used only to check the audio mode (mono/stereo/whatever) 258 * some time after switching to another TV channel, then turn on stereo 259 * if available, ... 260 */ 261 262static void chip_thread_wake(unsigned long data) 263{ 264 struct CHIPSTATE *chip = (struct CHIPSTATE*)data; 265 wake_up_process(chip->thread); 266} 267 268static int chip_thread(void *data) 269{ 270 struct CHIPSTATE *chip = data; 271 struct CHIPDESC *desc = chiplist + chip->type; 272 273 v4l_dbg(1, debug, &chip->c, "%s: thread started\n", chip->c.name); 274 275 for (;;) { 276 set_current_state(TASK_INTERRUPTIBLE); 277 if (!kthread_should_stop()) 278 schedule(); 279 set_current_state(TASK_RUNNING); 280 try_to_freeze(); 281 if (kthread_should_stop()) 282 break; 283 v4l_dbg(1, debug, &chip->c, "%s: thread wakeup\n", chip->c.name); 284 285 /* don't do anything for radio or if mode != auto */ 286 if (chip->radio || chip->mode != 0) 287 continue; 288 289 /* have a look what's going on */ 290 desc->checkmode(chip); 291 292 /* schedule next check */ 293 mod_timer(&chip->wt, jiffies+2*HZ); 294 } 295 296 v4l_dbg(1, debug, &chip->c, "%s: thread exiting\n", chip->c.name); 297 return 0; 298} 299 300static void generic_checkmode(struct CHIPSTATE *chip) 301{ 302 struct CHIPDESC *desc = chiplist + chip->type; 303 int mode = desc->getmode(chip); 304 305 if (mode == chip->prevmode) 306 return; 307 308 v4l_dbg(1, debug, &chip->c, "%s: thread checkmode\n", chip->c.name); 309 chip->prevmode = mode; 310 311 if (mode & VIDEO_SOUND_STEREO) 312 desc->setmode(chip,VIDEO_SOUND_STEREO); 313 else if (mode & VIDEO_SOUND_LANG1) 314 desc->setmode(chip,VIDEO_SOUND_LANG1); 315 else if (mode & VIDEO_SOUND_LANG2) 316 desc->setmode(chip,VIDEO_SOUND_LANG2); 317 else 318 desc->setmode(chip,VIDEO_SOUND_MONO); 319} 320 321/* ---------------------------------------------------------------------- */ 322/* audio chip descriptions - defines+functions for tda9840 */ 323 324#define TDA9840_SW 0x00 325#define TDA9840_LVADJ 0x02 326#define TDA9840_STADJ 0x03 327#define TDA9840_TEST 0x04 328 329#define TDA9840_MONO 0x10 330#define TDA9840_STEREO 0x2a 331#define TDA9840_DUALA 0x12 332#define TDA9840_DUALB 0x1e 333#define TDA9840_DUALAB 0x1a 334#define TDA9840_DUALBA 0x16 335#define TDA9840_EXTERNAL 0x7a 336 337#define TDA9840_DS_DUAL 0x20 /* Dual sound identified */ 338#define TDA9840_ST_STEREO 0x40 /* Stereo sound identified */ 339#define TDA9840_PONRES 0x80 /* Power-on reset detected if = 1 */ 340 341#define TDA9840_TEST_INT1SN 0x1 /* Integration time 0.5s when set */ 342#define TDA9840_TEST_INTFU 0x02 /* Disables integrator function */ 343 344static int tda9840_getmode(struct CHIPSTATE *chip) 345{ 346 int val, mode; 347 348 val = chip_read(chip); 349 mode = VIDEO_SOUND_MONO; 350 if (val & TDA9840_DS_DUAL) 351 mode |= VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2; 352 if (val & TDA9840_ST_STEREO) 353 mode |= VIDEO_SOUND_STEREO; 354 355 v4l_dbg(1, debug, &chip->c, "tda9840_getmode(): raw chip read: %d, return: %d\n", 356 val, mode); 357 return mode; 358} 359 360static void tda9840_setmode(struct CHIPSTATE *chip, int mode) 361{ 362 int update = 1; 363 int t = chip->shadow.bytes[TDA9840_SW + 1] & ~0x7e; 364 365 switch (mode) { 366 case VIDEO_SOUND_MONO: 367 t |= TDA9840_MONO; 368 break; 369 case VIDEO_SOUND_STEREO: 370 t |= TDA9840_STEREO; 371 break; 372 case VIDEO_SOUND_LANG1: 373 t |= TDA9840_DUALA; 374 break; 375 case VIDEO_SOUND_LANG2: 376 t |= TDA9840_DUALB; 377 break; 378 default: 379 update = 0; 380 } 381 382 if (update) 383 chip_write(chip, TDA9840_SW, t); 384} 385 386static int tda9840_checkit(struct CHIPSTATE *chip) 387{ 388 int rc; 389 rc = chip_read(chip); 390 /* lower 5 bits should be 0 */ 391 return ((rc & 0x1f) == 0) ? 1 : 0; 392} 393 394/* ---------------------------------------------------------------------- */ 395/* audio chip descriptions - defines+functions for tda985x */ 396 397/* subaddresses for TDA9855 */ 398#define TDA9855_VR 0x00 /* Volume, right */ 399#define TDA9855_VL 0x01 /* Volume, left */ 400#define TDA9855_BA 0x02 /* Bass */ 401#define TDA9855_TR 0x03 /* Treble */ 402#define TDA9855_SW 0x04 /* Subwoofer - not connected on DTV2000 */ 403 404/* subaddresses for TDA9850 */ 405#define TDA9850_C4 0x04 /* Control 1 for TDA9850 */ 406 407/* subaddesses for both chips */ 408#define TDA985x_C5 0x05 /* Control 2 for TDA9850, Control 1 for TDA9855 */ 409#define TDA985x_C6 0x06 /* Control 3 for TDA9850, Control 2 for TDA9855 */ 410#define TDA985x_C7 0x07 /* Control 4 for TDA9850, Control 3 for TDA9855 */ 411#define TDA985x_A1 0x08 /* Alignment 1 for both chips */ 412#define TDA985x_A2 0x09 /* Alignment 2 for both chips */ 413#define TDA985x_A3 0x0a /* Alignment 3 for both chips */ 414 415/* Masks for bits in TDA9855 subaddresses */ 416/* 0x00 - VR in TDA9855 */ 417/* 0x01 - VL in TDA9855 */ 418/* lower 7 bits control gain from -71dB (0x28) to 16dB (0x7f) 419 * in 1dB steps - mute is 0x27 */ 420 421 422/* 0x02 - BA in TDA9855 */ 423/* lower 5 bits control bass gain from -12dB (0x06) to 16.5dB (0x19) 424 * in .5dB steps - 0 is 0x0E */ 425 426 427/* 0x03 - TR in TDA9855 */ 428/* 4 bits << 1 control treble gain from -12dB (0x3) to 12dB (0xb) 429 * in 3dB steps - 0 is 0x7 */ 430 431/* Masks for bits in both chips' subaddresses */ 432/* 0x04 - SW in TDA9855, C4/Control 1 in TDA9850 */ 433/* Unique to TDA9855: */ 434/* 4 bits << 2 control subwoofer/surround gain from -14db (0x1) to 14db (0xf) 435 * in 3dB steps - mute is 0x0 */ 436 437/* Unique to TDA9850: */ 438/* lower 4 bits control stereo noise threshold, over which stereo turns off 439 * set to values of 0x00 through 0x0f for Ster1 through Ster16 */ 440 441 442/* 0x05 - C5 - Control 1 in TDA9855 , Control 2 in TDA9850*/ 443/* Unique to TDA9855: */ 444#define TDA9855_MUTE 1<<7 /* GMU, Mute at outputs */ 445#define TDA9855_AVL 1<<6 /* AVL, Automatic Volume Level */ 446#define TDA9855_LOUD 1<<5 /* Loudness, 1==off */ 447#define TDA9855_SUR 1<<3 /* Surround / Subwoofer 1==.5(L-R) 0==.5(L+R) */ 448 /* Bits 0 to 3 select various combinations 449 * of line in and line out, only the 450 * interesting ones are defined */ 451#define TDA9855_EXT 1<<2 /* Selects inputs LIR and LIL. Pins 41 & 12 */ 452#define TDA9855_INT 0 /* Selects inputs LOR and LOL. (internal) */ 453 454/* Unique to TDA9850: */ 455/* lower 4 bits contol SAP noise threshold, over which SAP turns off 456 * set to values of 0x00 through 0x0f for SAP1 through SAP16 */ 457 458 459/* 0x06 - C6 - Control 2 in TDA9855, Control 3 in TDA9850 */ 460/* Common to TDA9855 and TDA9850: */ 461#define TDA985x_SAP 3<<6 /* Selects SAP output, mute if not received */ 462#define TDA985x_STEREO 1<<6 /* Selects Stereo ouput, mono if not received */ 463#define TDA985x_MONO 0 /* Forces Mono output */ 464#define TDA985x_LMU 1<<3 /* Mute (LOR/LOL for 9855, OUTL/OUTR for 9850) */ 465 466/* Unique to TDA9855: */ 467#define TDA9855_TZCM 1<<5 /* If set, don't mute till zero crossing */ 468#define TDA9855_VZCM 1<<4 /* If set, don't change volume till zero crossing*/ 469#define TDA9855_LINEAR 0 /* Linear Stereo */ 470#define TDA9855_PSEUDO 1 /* Pseudo Stereo */ 471#define TDA9855_SPAT_30 2 /* Spatial Stereo, 30% anti-phase crosstalk */ 472#define TDA9855_SPAT_50 3 /* Spatial Stereo, 52% anti-phase crosstalk */ 473#define TDA9855_E_MONO 7 /* Forced mono - mono select elseware, so useless*/ 474 475/* 0x07 - C7 - Control 3 in TDA9855, Control 4 in TDA9850 */ 476/* Common to both TDA9855 and TDA9850: */ 477/* lower 4 bits control input gain from -3.5dB (0x0) to 4dB (0xF) 478 * in .5dB steps - 0dB is 0x7 */ 479 480/* 0x08, 0x09 - A1 and A2 (read/write) */ 481/* Common to both TDA9855 and TDA9850: */ 482/* lower 5 bites are wideband and spectral expander alignment 483 * from 0x00 to 0x1f - nominal at 0x0f and 0x10 (read/write) */ 484#define TDA985x_STP 1<<5 /* Stereo Pilot/detect (read-only) */ 485#define TDA985x_SAPP 1<<6 /* SAP Pilot/detect (read-only) */ 486#define TDA985x_STS 1<<7 /* Stereo trigger 1= <35mV 0= <30mV (write-only)*/ 487 488/* 0x0a - A3 */ 489/* Common to both TDA9855 and TDA9850: */ 490/* lower 3 bits control timing current for alignment: -30% (0x0), -20% (0x1), 491 * -10% (0x2), nominal (0x3), +10% (0x6), +20% (0x5), +30% (0x4) */ 492#define TDA985x_ADJ 1<<7 /* Stereo adjust on/off (wideband and spectral */ 493 494static int tda9855_volume(int val) { return val/0x2e8+0x27; } 495static int tda9855_bass(int val) { return val/0xccc+0x06; } 496static int tda9855_treble(int val) { return (val/0x1c71+0x3)<<1; } 497 498static int tda985x_getmode(struct CHIPSTATE *chip) 499{ 500 int mode; 501 502 mode = ((TDA985x_STP | TDA985x_SAPP) & 503 chip_read(chip)) >> 4; 504 /* Add mono mode regardless of SAP and stereo */ 505 /* Allows forced mono */ 506 return mode | VIDEO_SOUND_MONO; 507} 508 509static void tda985x_setmode(struct CHIPSTATE *chip, int mode) 510{ 511 int update = 1; 512 int c6 = chip->shadow.bytes[TDA985x_C6+1] & 0x3f; 513 514 switch (mode) { 515 case VIDEO_SOUND_MONO: 516 c6 |= TDA985x_MONO; 517 break; 518 case VIDEO_SOUND_STEREO: 519 c6 |= TDA985x_STEREO; 520 break; 521 case VIDEO_SOUND_LANG1: 522 c6 |= TDA985x_SAP; 523 break; 524 default: 525 update = 0; 526 } 527 if (update) 528 chip_write(chip,TDA985x_C6,c6); 529} 530 531 532/* ---------------------------------------------------------------------- */ 533/* audio chip descriptions - defines+functions for tda9873h */ 534 535/* Subaddresses for TDA9873H */ 536 537#define TDA9873_SW 0x00 /* Switching */ 538#define TDA9873_AD 0x01 /* Adjust */ 539#define TDA9873_PT 0x02 /* Port */ 540 541/* Subaddress 0x00: Switching Data 542 * B7..B0: 543 * 544 * B1, B0: Input source selection 545 * 0, 0 internal 546 * 1, 0 external stereo 547 * 0, 1 external mono 548 */ 549#define TDA9873_INP_MASK 3 550#define TDA9873_INTERNAL 0 551#define TDA9873_EXT_STEREO 2 552#define TDA9873_EXT_MONO 1 553 554/* B3, B2: output signal select 555 * B4 : transmission mode 556 * 0, 0, 1 Mono 557 * 1, 0, 0 Stereo 558 * 1, 1, 1 Stereo (reversed channel) 559 * 0, 0, 0 Dual AB 560 * 0, 0, 1 Dual AA 561 * 0, 1, 0 Dual BB 562 * 0, 1, 1 Dual BA 563 */ 564 565#define TDA9873_TR_MASK (7 << 2) 566#define TDA9873_TR_MONO 4 567#define TDA9873_TR_STEREO 1 << 4 568#define TDA9873_TR_REVERSE (1 << 3) & (1 << 2) 569#define TDA9873_TR_DUALA 1 << 2 570#define TDA9873_TR_DUALB 1 << 3 571 572/* output level controls 573 * B5: output level switch (0 = reduced gain, 1 = normal gain) 574 * B6: mute (1 = muted) 575 * B7: auto-mute (1 = auto-mute enabled) 576 */ 577 578#define TDA9873_GAIN_NORMAL 1 << 5 579#define TDA9873_MUTE 1 << 6 580#define TDA9873_AUTOMUTE 1 << 7 581 582/* Subaddress 0x01: Adjust/standard */ 583 584/* Lower 4 bits (C3..C0) control stereo adjustment on R channel (-0.6 - +0.7 dB) 585 * Recommended value is +0 dB 586 */ 587 588#define TDA9873_STEREO_ADJ 0x06 /* 0dB gain */ 589 590/* Bits C6..C4 control FM stantard 591 * C6, C5, C4 592 * 0, 0, 0 B/G (PAL FM) 593 * 0, 0, 1 M 594 * 0, 1, 0 D/K(1) 595 * 0, 1, 1 D/K(2) 596 * 1, 0, 0 D/K(3) 597 * 1, 0, 1 I 598 */ 599#define TDA9873_BG 0 600#define TDA9873_M 1 601#define TDA9873_DK1 2 602#define TDA9873_DK2 3 603#define TDA9873_DK3 4 604#define TDA9873_I 5 605 606/* C7 controls identification response time (1=fast/0=normal) 607 */ 608#define TDA9873_IDR_NORM 0 609#define TDA9873_IDR_FAST 1 << 7 610 611 612/* Subaddress 0x02: Port data */ 613 614/* E1, E0 free programmable ports P1/P2 615 0, 0 both ports low 616 0, 1 P1 high 617 1, 0 P2 high 618 1, 1 both ports high 619*/ 620 621#define TDA9873_PORTS 3 622 623/* E2: test port */ 624#define TDA9873_TST_PORT 1 << 2 625 626/* E5..E3 control mono output channel (together with transmission mode bit B4) 627 * 628 * E5 E4 E3 B4 OUTM 629 * 0 0 0 0 mono 630 * 0 0 1 0 DUAL B 631 * 0 1 0 1 mono (from stereo decoder) 632 */ 633#define TDA9873_MOUT_MONO 0 634#define TDA9873_MOUT_FMONO 0 635#define TDA9873_MOUT_DUALA 0 636#define TDA9873_MOUT_DUALB 1 << 3 637#define TDA9873_MOUT_ST 1 << 4 638#define TDA9873_MOUT_EXTM (1 << 4 ) & (1 << 3) 639#define TDA9873_MOUT_EXTL 1 << 5 640#define TDA9873_MOUT_EXTR (1 << 5 ) & (1 << 3) 641#define TDA9873_MOUT_EXTLR (1 << 5 ) & (1 << 4) 642#define TDA9873_MOUT_MUTE (1 << 5 ) & (1 << 4) & (1 << 3) 643 644/* Status bits: (chip read) */ 645#define TDA9873_PONR 0 /* Power-on reset detected if = 1 */ 646#define TDA9873_STEREO 2 /* Stereo sound is identified */ 647#define TDA9873_DUAL 4 /* Dual sound is identified */ 648 649static int tda9873_getmode(struct CHIPSTATE *chip) 650{ 651 int val,mode; 652 653 val = chip_read(chip); 654 mode = VIDEO_SOUND_MONO; 655 if (val & TDA9873_STEREO) 656 mode |= VIDEO_SOUND_STEREO; 657 if (val & TDA9873_DUAL) 658 mode |= VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2; 659 v4l_dbg(1, debug, &chip->c, "tda9873_getmode(): raw chip read: %d, return: %d\n", 660 val, mode); 661 return mode; 662} 663 664static void tda9873_setmode(struct CHIPSTATE *chip, int mode) 665{ 666 int sw_data = chip->shadow.bytes[TDA9873_SW+1] & ~ TDA9873_TR_MASK; 667 /* int adj_data = chip->shadow.bytes[TDA9873_AD+1] ; */ 668 669 if ((sw_data & TDA9873_INP_MASK) != TDA9873_INTERNAL) { 670 v4l_dbg(1, debug, &chip->c, "tda9873_setmode(): external input\n"); 671 return; 672 } 673 674 v4l_dbg(1, debug, &chip->c, "tda9873_setmode(): chip->shadow.bytes[%d] = %d\n", TDA9873_SW+1, chip->shadow.bytes[TDA9873_SW+1]); 675 v4l_dbg(1, debug, &chip->c, "tda9873_setmode(): sw_data = %d\n", sw_data); 676 677 switch (mode) { 678 case VIDEO_SOUND_MONO: 679 sw_data |= TDA9873_TR_MONO; 680 break; 681 case VIDEO_SOUND_STEREO: 682 sw_data |= TDA9873_TR_STEREO; 683 break; 684 case VIDEO_SOUND_LANG1: 685 sw_data |= TDA9873_TR_DUALA; 686 break; 687 case VIDEO_SOUND_LANG2: 688 sw_data |= TDA9873_TR_DUALB; 689 break; 690 default: 691 chip->mode = 0; 692 return; 693 } 694 695 chip_write(chip, TDA9873_SW, sw_data); 696 v4l_dbg(1, debug, &chip->c, "tda9873_setmode(): req. mode %d; chip_write: %d\n", 697 mode, sw_data); 698} 699 700static int tda9873_checkit(struct CHIPSTATE *chip) 701{ 702 int rc; 703 704 if (-1 == (rc = chip_read2(chip,254))) 705 return 0; 706 return (rc & ~0x1f) == 0x80; 707} 708 709 710/* ---------------------------------------------------------------------- */ 711/* audio chip description - defines+functions for tda9874h and tda9874a */ 712/* Dariusz Kowalewski <darekk@automex.pl> */ 713 714/* Subaddresses for TDA9874H and TDA9874A (slave rx) */ 715#define TDA9874A_AGCGR 0x00 /* AGC gain */ 716#define TDA9874A_GCONR 0x01 /* general config */ 717#define TDA9874A_MSR 0x02 /* monitor select */ 718#define TDA9874A_C1FRA 0x03 /* carrier 1 freq. */ 719#define TDA9874A_C1FRB 0x04 /* carrier 1 freq. */ 720#define TDA9874A_C1FRC 0x05 /* carrier 1 freq. */ 721#define TDA9874A_C2FRA 0x06 /* carrier 2 freq. */ 722#define TDA9874A_C2FRB 0x07 /* carrier 2 freq. */ 723#define TDA9874A_C2FRC 0x08 /* carrier 2 freq. */ 724#define TDA9874A_DCR 0x09 /* demodulator config */ 725#define TDA9874A_FMER 0x0a /* FM de-emphasis */ 726#define TDA9874A_FMMR 0x0b /* FM dematrix */ 727#define TDA9874A_C1OLAR 0x0c /* ch.1 output level adj. */ 728#define TDA9874A_C2OLAR 0x0d /* ch.2 output level adj. */ 729#define TDA9874A_NCONR 0x0e /* NICAM config */ 730#define TDA9874A_NOLAR 0x0f /* NICAM output level adj. */ 731#define TDA9874A_NLELR 0x10 /* NICAM lower error limit */ 732#define TDA9874A_NUELR 0x11 /* NICAM upper error limit */ 733#define TDA9874A_AMCONR 0x12 /* audio mute control */ 734#define TDA9874A_SDACOSR 0x13 /* stereo DAC output select */ 735#define TDA9874A_AOSR 0x14 /* analog output select */ 736#define TDA9874A_DAICONR 0x15 /* digital audio interface config */ 737#define TDA9874A_I2SOSR 0x16 /* I2S-bus output select */ 738#define TDA9874A_I2SOLAR 0x17 /* I2S-bus output level adj. */ 739#define TDA9874A_MDACOSR 0x18 /* mono DAC output select (tda9874a) */ 740#define TDA9874A_ESP 0xFF /* easy standard progr. (tda9874a) */ 741 742/* Subaddresses for TDA9874H and TDA9874A (slave tx) */ 743#define TDA9874A_DSR 0x00 /* device status */ 744#define TDA9874A_NSR 0x01 /* NICAM status */ 745#define TDA9874A_NECR 0x02 /* NICAM error count */ 746#define TDA9874A_DR1 0x03 /* add. data LSB */ 747#define TDA9874A_DR2 0x04 /* add. data MSB */ 748#define TDA9874A_LLRA 0x05 /* monitor level read-out LSB */ 749#define TDA9874A_LLRB 0x06 /* monitor level read-out MSB */ 750#define TDA9874A_SIFLR 0x07 /* SIF level */ 751#define TDA9874A_TR2 252 /* test reg. 2 */ 752#define TDA9874A_TR1 253 /* test reg. 1 */ 753#define TDA9874A_DIC 254 /* device id. code */ 754#define TDA9874A_SIC 255 /* software id. code */ 755 756 757static int tda9874a_mode = 1; /* 0: A2, 1: NICAM */ 758static int tda9874a_GCONR = 0xc0; /* default config. input pin: SIFSEL=0 */ 759static int tda9874a_NCONR = 0x01; /* default NICAM config.: AMSEL=0,AMUTE=1 */ 760static int tda9874a_ESP = 0x07; /* default standard: NICAM D/K */ 761static int tda9874a_dic = -1; /* device id. code */ 762 763/* insmod options for tda9874a */ 764static unsigned int tda9874a_SIF = UNSET; 765static unsigned int tda9874a_AMSEL = UNSET; 766static unsigned int tda9874a_STD = UNSET; 767module_param(tda9874a_SIF, int, 0444); 768module_param(tda9874a_AMSEL, int, 0444); 769module_param(tda9874a_STD, int, 0444); 770 771/* 772 * initialization table for tda9874 decoder: 773 * - carrier 1 freq. registers (3 bytes) 774 * - carrier 2 freq. registers (3 bytes) 775 * - demudulator config register 776 * - FM de-emphasis register (slow identification mode) 777 * Note: frequency registers must be written in single i2c transfer. 778 */ 779static struct tda9874a_MODES { 780 char *name; 781 audiocmd cmd; 782} tda9874a_modelist[9] = { 783 { "A2, B/G", 784 { 9, { TDA9874A_C1FRA, 0x72,0x95,0x55, 0x77,0xA0,0x00, 0x00,0x00 }} }, 785 { "A2, M (Korea)", 786 { 9, { TDA9874A_C1FRA, 0x5D,0xC0,0x00, 0x62,0x6A,0xAA, 0x20,0x22 }} }, 787 { "A2, D/K (1)", 788 { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x82,0x60,0x00, 0x00,0x00 }} }, 789 { "A2, D/K (2)", 790 { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x8C,0x75,0x55, 0x00,0x00 }} }, 791 { "A2, D/K (3)", 792 { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x77,0xA0,0x00, 0x00,0x00 }} }, 793 { "NICAM, I", 794 { 9, { TDA9874A_C1FRA, 0x7D,0x00,0x00, 0x88,0x8A,0xAA, 0x08,0x33 }} }, 795 { "NICAM, B/G", 796 { 9, { TDA9874A_C1FRA, 0x72,0x95,0x55, 0x79,0xEA,0xAA, 0x08,0x33 }} }, 797 { "NICAM, D/K", /* default */ 798 { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x79,0xEA,0xAA, 0x08,0x33 }} }, 799 { "NICAM, L", 800 { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x79,0xEA,0xAA, 0x09,0x33 }} } 801}; 802 803static int tda9874a_setup(struct CHIPSTATE *chip) 804{ 805 chip_write(chip, TDA9874A_AGCGR, 0x00); /* 0 dB */ 806 chip_write(chip, TDA9874A_GCONR, tda9874a_GCONR); 807 chip_write(chip, TDA9874A_MSR, (tda9874a_mode) ? 0x03:0x02); 808 if(tda9874a_dic == 0x11) { 809 chip_write(chip, TDA9874A_FMMR, 0x80); 810 } else { /* dic == 0x07 */ 811 chip_cmd(chip,"tda9874_modelist",&tda9874a_modelist[tda9874a_STD].cmd); 812 chip_write(chip, TDA9874A_FMMR, 0x00); 813 } 814 chip_write(chip, TDA9874A_C1OLAR, 0x00); /* 0 dB */ 815 chip_write(chip, TDA9874A_C2OLAR, 0x00); /* 0 dB */ 816 chip_write(chip, TDA9874A_NCONR, tda9874a_NCONR); 817 chip_write(chip, TDA9874A_NOLAR, 0x00); /* 0 dB */ 818 /* Note: If signal quality is poor you may want to change NICAM */ 819 /* error limit registers (NLELR and NUELR) to some greater values. */ 820 /* Then the sound would remain stereo, but won't be so clear. */ 821 chip_write(chip, TDA9874A_NLELR, 0x14); /* default */ 822 chip_write(chip, TDA9874A_NUELR, 0x50); /* default */ 823 824 if(tda9874a_dic == 0x11) { 825 chip_write(chip, TDA9874A_AMCONR, 0xf9); 826 chip_write(chip, TDA9874A_SDACOSR, (tda9874a_mode) ? 0x81:0x80); 827 chip_write(chip, TDA9874A_AOSR, 0x80); 828 chip_write(chip, TDA9874A_MDACOSR, (tda9874a_mode) ? 0x82:0x80); 829 chip_write(chip, TDA9874A_ESP, tda9874a_ESP); 830 } else { /* dic == 0x07 */ 831 chip_write(chip, TDA9874A_AMCONR, 0xfb); 832 chip_write(chip, TDA9874A_SDACOSR, (tda9874a_mode) ? 0x81:0x80); 833 chip_write(chip, TDA9874A_AOSR, 0x00); /* or 0x10 */ 834 } 835 v4l_dbg(1, debug, &chip->c, "tda9874a_setup(): %s [0x%02X].\n", 836 tda9874a_modelist[tda9874a_STD].name,tda9874a_STD); 837 return 1; 838} 839 840static int tda9874a_getmode(struct CHIPSTATE *chip) 841{ 842 int dsr,nsr,mode; 843 int necr; /* just for debugging */ 844 845 mode = VIDEO_SOUND_MONO; 846 847 if(-1 == (dsr = chip_read2(chip,TDA9874A_DSR))) 848 return mode; 849 if(-1 == (nsr = chip_read2(chip,TDA9874A_NSR))) 850 return mode; 851 if(-1 == (necr = chip_read2(chip,TDA9874A_NECR))) 852 return mode; 853 854 /* need to store dsr/nsr somewhere */ 855 chip->shadow.bytes[MAXREGS-2] = dsr; 856 chip->shadow.bytes[MAXREGS-1] = nsr; 857 858 if(tda9874a_mode) { 859 /* Note: DSR.RSSF and DSR.AMSTAT bits are also checked. 860 * If NICAM auto-muting is enabled, DSR.AMSTAT=1 indicates 861 * that sound has (temporarily) switched from NICAM to 862 * mono FM (or AM) on 1st sound carrier due to high NICAM bit 863 * error count. So in fact there is no stereo in this case :-( 864 * But changing the mode to VIDEO_SOUND_MONO would switch 865 * external 4052 multiplexer in audio_hook(). 866 */ 867 if(nsr & 0x02) /* NSR.S/MB=1 */ 868 mode |= VIDEO_SOUND_STEREO; 869 if(nsr & 0x01) /* NSR.D/SB=1 */ 870 mode |= VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2; 871 } else { 872 if(dsr & 0x02) /* DSR.IDSTE=1 */ 873 mode |= VIDEO_SOUND_STEREO; 874 if(dsr & 0x04) /* DSR.IDDUA=1 */ 875 mode |= VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2; 876 } 877 878 v4l_dbg(1, debug, &chip->c, "tda9874a_getmode(): DSR=0x%X, NSR=0x%X, NECR=0x%X, return: %d.\n", 879 dsr, nsr, necr, mode); 880 return mode; 881} 882 883static void tda9874a_setmode(struct CHIPSTATE *chip, int mode) 884{ 885 /* Disable/enable NICAM auto-muting (based on DSR.RSSF status bit). */ 886 /* If auto-muting is disabled, we can hear a signal of degrading quality. */ 887 if(tda9874a_mode) { 888 if(chip->shadow.bytes[MAXREGS-2] & 0x20) /* DSR.RSSF=1 */ 889 tda9874a_NCONR &= 0xfe; /* enable */ 890 else 891 tda9874a_NCONR |= 0x01; /* disable */ 892 chip_write(chip, TDA9874A_NCONR, tda9874a_NCONR); 893 } 894 895 /* Note: TDA9874A supports automatic FM dematrixing (FMMR register) 896 * and has auto-select function for audio output (AOSR register). 897 * Old TDA9874H doesn't support these features. 898 * TDA9874A also has additional mono output pin (OUTM), which 899 * on same (all?) tv-cards is not used, anyway (as well as MONOIN). 900 */ 901 if(tda9874a_dic == 0x11) { 902 int aosr = 0x80; 903 int mdacosr = (tda9874a_mode) ? 0x82:0x80; 904 905 switch(mode) { 906 case VIDEO_SOUND_MONO: 907 case VIDEO_SOUND_STEREO: 908 break; 909 case VIDEO_SOUND_LANG1: 910 aosr = 0x80; /* auto-select, dual A/A */ 911 mdacosr = (tda9874a_mode) ? 0x82:0x80; 912 break; 913 case VIDEO_SOUND_LANG2: 914 aosr = 0xa0; /* auto-select, dual B/B */ 915 mdacosr = (tda9874a_mode) ? 0x83:0x81; 916 break; 917 default: 918 chip->mode = 0; 919 return; 920 } 921 chip_write(chip, TDA9874A_AOSR, aosr); 922 chip_write(chip, TDA9874A_MDACOSR, mdacosr); 923 924 v4l_dbg(1, debug, &chip->c, "tda9874a_setmode(): req. mode %d; AOSR=0x%X, MDACOSR=0x%X.\n", 925 mode, aosr, mdacosr); 926 927 } else { /* dic == 0x07 */ 928 int fmmr,aosr; 929 930 switch(mode) { 931 case VIDEO_SOUND_MONO: 932 fmmr = 0x00; /* mono */ 933 aosr = 0x10; /* A/A */ 934 break; 935 case VIDEO_SOUND_STEREO: 936 if(tda9874a_mode) { 937 fmmr = 0x00; 938 aosr = 0x00; /* handled by NICAM auto-mute */ 939 } else { 940 fmmr = (tda9874a_ESP == 1) ? 0x05 : 0x04; /* stereo */ 941 aosr = 0x00; 942 } 943 break; 944 case VIDEO_SOUND_LANG1: 945 fmmr = 0x02; /* dual */ 946 aosr = 0x10; /* dual A/A */ 947 break; 948 case VIDEO_SOUND_LANG2: 949 fmmr = 0x02; /* dual */ 950 aosr = 0x20; /* dual B/B */ 951 break; 952 default: 953 chip->mode = 0; 954 return; 955 } 956 chip_write(chip, TDA9874A_FMMR, fmmr); 957 chip_write(chip, TDA9874A_AOSR, aosr); 958 959 v4l_dbg(1, debug, &chip->c, "tda9874a_setmode(): req. mode %d; FMMR=0x%X, AOSR=0x%X.\n", 960 mode, fmmr, aosr); 961 } 962} 963 964static int tda9874a_checkit(struct CHIPSTATE *chip) 965{ 966 int dic,sic; /* device id. and software id. codes */ 967 968 if(-1 == (dic = chip_read2(chip,TDA9874A_DIC))) 969 return 0; 970 if(-1 == (sic = chip_read2(chip,TDA9874A_SIC))) 971 return 0; 972 973 v4l_dbg(1, debug, &chip->c, "tda9874a_checkit(): DIC=0x%X, SIC=0x%X.\n", dic, sic); 974 975 if((dic == 0x11)||(dic == 0x07)) { 976 v4l_info(&chip->c, "found tda9874%s.\n", (dic == 0x11) ? "a":"h"); 977 tda9874a_dic = dic; /* remember device id. */ 978 return 1; 979 } 980 return 0; /* not found */ 981} 982 983static int tda9874a_initialize(struct CHIPSTATE *chip) 984{ 985 if (tda9874a_SIF > 2) 986 tda9874a_SIF = 1; 987 if (tda9874a_STD > 8) 988 tda9874a_STD = 0; 989 if(tda9874a_AMSEL > 1) 990 tda9874a_AMSEL = 0; 991 992 if(tda9874a_SIF == 1) 993 tda9874a_GCONR = 0xc0; /* sound IF input 1 */ 994 else 995 tda9874a_GCONR = 0xc1; /* sound IF input 2 */ 996 997 tda9874a_ESP = tda9874a_STD; 998 tda9874a_mode = (tda9874a_STD < 5) ? 0 : 1; 999 1000 if(tda9874a_AMSEL == 0) 1001 tda9874a_NCONR = 0x01; /* auto-mute: analog mono input */ 1002 else 1003 tda9874a_NCONR = 0x05; /* auto-mute: 1st carrier FM or AM */ 1004 1005 tda9874a_setup(chip); 1006 return 0; 1007} 1008 1009 1010/* ---------------------------------------------------------------------- */ 1011/* audio chip descriptions - defines+functions for tea6420 */ 1012 1013#define TEA6300_VL 0x00 /* volume left */ 1014#define TEA6300_VR 0x01 /* volume right */ 1015#define TEA6300_BA 0x02 /* bass */ 1016#define TEA6300_TR 0x03 /* treble */ 1017#define TEA6300_FA 0x04 /* fader control */ 1018#define TEA6300_S 0x05 /* switch register */ 1019 /* values for those registers: */ 1020#define TEA6300_S_SA 0x01 /* stereo A input */ 1021#define TEA6300_S_SB 0x02 /* stereo B */ 1022#define TEA6300_S_SC 0x04 /* stereo C */ 1023#define TEA6300_S_GMU 0x80 /* general mute */ 1024 1025#define TEA6320_V 0x00 /* volume (0-5)/loudness off (6)/zero crossing mute(7) */ 1026#define TEA6320_FFR 0x01 /* fader front right (0-5) */ 1027#define TEA6320_FFL 0x02 /* fader front left (0-5) */ 1028#define TEA6320_FRR 0x03 /* fader rear right (0-5) */ 1029#define TEA6320_FRL 0x04 /* fader rear left (0-5) */ 1030#define TEA6320_BA 0x05 /* bass (0-4) */ 1031#define TEA6320_TR 0x06 /* treble (0-4) */ 1032#define TEA6320_S 0x07 /* switch register */ 1033 /* values for those registers: */ 1034#define TEA6320_S_SA 0x07 /* stereo A input */ 1035#define TEA6320_S_SB 0x06 /* stereo B */ 1036#define TEA6320_S_SC 0x05 /* stereo C */ 1037#define TEA6320_S_SD 0x04 /* stereo D */ 1038#define TEA6320_S_GMU 0x80 /* general mute */ 1039 1040#define TEA6420_S_SA 0x00 /* stereo A input */ 1041#define TEA6420_S_SB 0x01 /* stereo B */ 1042#define TEA6420_S_SC 0x02 /* stereo C */ 1043#define TEA6420_S_SD 0x03 /* stereo D */ 1044#define TEA6420_S_SE 0x04 /* stereo E */ 1045#define TEA6420_S_GMU 0x05 /* general mute */ 1046 1047static int tea6300_shift10(int val) { return val >> 10; } 1048static int tea6300_shift12(int val) { return val >> 12; } 1049 1050/* Assumes 16bit input (values 0x3f to 0x0c are unique, values less than */ 1051/* 0x0c mirror those immediately higher) */ 1052static int tea6320_volume(int val) { return (val / (65535/(63-12)) + 12) & 0x3f; } 1053static int tea6320_shift11(int val) { return val >> 11; } 1054static int tea6320_initialize(struct CHIPSTATE * chip) 1055{ 1056 chip_write(chip, TEA6320_FFR, 0x3f); 1057 chip_write(chip, TEA6320_FFL, 0x3f); 1058 chip_write(chip, TEA6320_FRR, 0x3f); 1059 chip_write(chip, TEA6320_FRL, 0x3f); 1060 1061 return 0; 1062} 1063 1064 1065/* ---------------------------------------------------------------------- */ 1066/* audio chip descriptions - defines+functions for tda8425 */ 1067 1068#define TDA8425_VL 0x00 /* volume left */ 1069#define TDA8425_VR 0x01 /* volume right */ 1070#define TDA8425_BA 0x02 /* bass */ 1071#define TDA8425_TR 0x03 /* treble */ 1072#define TDA8425_S1 0x08 /* switch functions */ 1073 /* values for those registers: */ 1074#define TDA8425_S1_OFF 0xEE /* audio off (mute on) */ 1075#define TDA8425_S1_CH1 0xCE /* audio channel 1 (mute off) - "linear stereo" mode */ 1076#define TDA8425_S1_CH2 0xCF /* audio channel 2 (mute off) - "linear stereo" mode */ 1077#define TDA8425_S1_MU 0x20 /* mute bit */ 1078#define TDA8425_S1_STEREO 0x18 /* stereo bits */ 1079#define TDA8425_S1_STEREO_SPATIAL 0x18 /* spatial stereo */ 1080#define TDA8425_S1_STEREO_LINEAR 0x08 /* linear stereo */ 1081#define TDA8425_S1_STEREO_PSEUDO 0x10 /* pseudo stereo */ 1082#define TDA8425_S1_STEREO_MONO 0x00 /* forced mono */ 1083#define TDA8425_S1_ML 0x06 /* language selector */ 1084#define TDA8425_S1_ML_SOUND_A 0x02 /* sound a */ 1085#define TDA8425_S1_ML_SOUND_B 0x04 /* sound b */ 1086#define TDA8425_S1_ML_STEREO 0x06 /* stereo */ 1087#define TDA8425_S1_IS 0x01 /* channel selector */ 1088 1089 1090static int tda8425_shift10(int val) { return (val >> 10) | 0xc0; } 1091static int tda8425_shift12(int val) { return (val >> 12) | 0xf0; } 1092 1093static int tda8425_initialize(struct CHIPSTATE *chip) 1094{ 1095 struct CHIPDESC *desc = chiplist + chip->type; 1096 int inputmap[4] = { /* tuner */ TDA8425_S1_CH2, /* radio */ TDA8425_S1_CH1, 1097 /* extern */ TDA8425_S1_CH1, /* intern */ TDA8425_S1_OFF}; 1098 1099 if (chip->c.adapter->id == I2C_HW_B_RIVA) { 1100 memcpy (desc->inputmap, inputmap, sizeof (inputmap)); 1101 } 1102 return 0; 1103} 1104 1105static void tda8425_setmode(struct CHIPSTATE *chip, int mode) 1106{ 1107 int s1 = chip->shadow.bytes[TDA8425_S1+1] & 0xe1; 1108 1109 if (mode & VIDEO_SOUND_LANG1) { 1110 s1 |= TDA8425_S1_ML_SOUND_A; 1111 s1 |= TDA8425_S1_STEREO_PSEUDO; 1112 1113 } else if (mode & VIDEO_SOUND_LANG2) { 1114 s1 |= TDA8425_S1_ML_SOUND_B; 1115 s1 |= TDA8425_S1_STEREO_PSEUDO; 1116 1117 } else { 1118 s1 |= TDA8425_S1_ML_STEREO; 1119 1120 if (mode & VIDEO_SOUND_MONO) 1121 s1 |= TDA8425_S1_STEREO_MONO; 1122 if (mode & VIDEO_SOUND_STEREO) 1123 s1 |= TDA8425_S1_STEREO_SPATIAL; 1124 } 1125 chip_write(chip,TDA8425_S1,s1); 1126} 1127 1128 1129/* ---------------------------------------------------------------------- */ 1130/* audio chip descriptions - defines+functions for pic16c54 (PV951) */ 1131 1132/* the registers of 16C54, I2C sub address. */ 1133#define PIC16C54_REG_KEY_CODE 0x01 /* Not use. */ 1134#define PIC16C54_REG_MISC 0x02 1135 1136/* bit definition of the RESET register, I2C data. */ 1137#define PIC16C54_MISC_RESET_REMOTE_CTL 0x01 /* bit 0, Reset to receive the key */ 1138 /* code of remote controller */ 1139#define PIC16C54_MISC_MTS_MAIN 0x02 /* bit 1 */ 1140#define PIC16C54_MISC_MTS_SAP 0x04 /* bit 2 */ 1141#define PIC16C54_MISC_MTS_BOTH 0x08 /* bit 3 */ 1142#define PIC16C54_MISC_SND_MUTE 0x10 /* bit 4, Mute Audio(Line-in and Tuner) */ 1143#define PIC16C54_MISC_SND_NOTMUTE 0x20 /* bit 5 */ 1144#define PIC16C54_MISC_SWITCH_TUNER 0x40 /* bit 6 , Switch to Line-in */ 1145#define PIC16C54_MISC_SWITCH_LINE 0x80 /* bit 7 , Switch to Tuner */ 1146 1147/* ---------------------------------------------------------------------- */ 1148/* audio chip descriptions - defines+functions for TA8874Z */ 1149 1150/* write 1st byte */ 1151#define TA8874Z_LED_STE 0x80 1152#define TA8874Z_LED_BIL 0x40 1153#define TA8874Z_LED_EXT 0x20 1154#define TA8874Z_MONO_SET 0x10 1155#define TA8874Z_MUTE 0x08 1156#define TA8874Z_F_MONO 0x04 1157#define TA8874Z_MODE_SUB 0x02 1158#define TA8874Z_MODE_MAIN 0x01 1159 1160/* write 2nd byte */ 1161/*#define TA8874Z_TI 0x80 */ /* test mode */ 1162#define TA8874Z_SEPARATION 0x3f 1163#define TA8874Z_SEPARATION_DEFAULT 0x10 1164 1165/* read */ 1166#define TA8874Z_B1 0x80 1167#define TA8874Z_B0 0x40 1168#define TA8874Z_CHAG_FLAG 0x20 1169 1170/* 1171 * B1 B0 1172 * mono L H 1173 * stereo L L 1174 * BIL H L 1175 */ 1176static int ta8874z_getmode(struct CHIPSTATE *chip) 1177{ 1178 int val, mode; 1179 1180 val = chip_read(chip); 1181 mode = VIDEO_SOUND_MONO; 1182 if (val & TA8874Z_B1){ 1183 mode |= VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2; 1184 }else if (!(val & TA8874Z_B0)){ 1185 mode |= VIDEO_SOUND_STEREO; 1186 } 1187 /* v4l_dbg(1, debug, &chip->c, "ta8874z_getmode(): raw chip read: 0x%02x, return: 0x%02x\n", val, mode); */ 1188 return mode; 1189} 1190 1191static audiocmd ta8874z_stereo = { 2, {0, TA8874Z_SEPARATION_DEFAULT}}; 1192static audiocmd ta8874z_mono = {2, { TA8874Z_MONO_SET, TA8874Z_SEPARATION_DEFAULT}}; 1193static audiocmd ta8874z_main = {2, { 0, TA8874Z_SEPARATION_DEFAULT}}; 1194static audiocmd ta8874z_sub = {2, { TA8874Z_MODE_SUB, TA8874Z_SEPARATION_DEFAULT}}; 1195 1196static void ta8874z_setmode(struct CHIPSTATE *chip, int mode) 1197{ 1198 int update = 1; 1199 audiocmd *t = NULL; 1200 v4l_dbg(1, debug, &chip->c, "ta8874z_setmode(): mode: 0x%02x\n", mode); 1201 1202 switch(mode){ 1203 case VIDEO_SOUND_MONO: 1204 t = &ta8874z_mono; 1205 break; 1206 case VIDEO_SOUND_STEREO: 1207 t = &ta8874z_stereo; 1208 break; 1209 case VIDEO_SOUND_LANG1: 1210 t = &ta8874z_main; 1211 break; 1212 case VIDEO_SOUND_LANG2: 1213 t = &ta8874z_sub; 1214 break; 1215 default: 1216 update = 0; 1217 } 1218 1219 if(update) 1220 chip_cmd(chip, "TA8874Z", t); 1221} 1222 1223static int ta8874z_checkit(struct CHIPSTATE *chip) 1224{ 1225 int rc; 1226 rc = chip_read(chip); 1227 return ((rc & 0x1f) == 0x1f) ? 1 : 0; 1228} 1229 1230/* ---------------------------------------------------------------------- */ 1231/* audio chip descriptions - struct CHIPDESC */ 1232 1233/* insmod options to enable/disable individual audio chips */ 1234static int tda8425 = 1; 1235static int tda9840 = 1; 1236static int tda9850 = 1; 1237static int tda9855 = 1; 1238static int tda9873 = 1; 1239static int tda9874a = 1; 1240static int tea6300 = 0; /* address clash with msp34xx */ 1241static int tea6320 = 0; /* address clash with msp34xx */ 1242static int tea6420 = 1; 1243static int pic16c54 = 1; 1244static int ta8874z = 0; /* address clash with tda9840 */ 1245 1246module_param(tda8425, int, 0444); 1247module_param(tda9840, int, 0444); 1248module_param(tda9850, int, 0444); 1249module_param(tda9855, int, 0444); 1250module_param(tda9873, int, 0444); 1251module_param(tda9874a, int, 0444); 1252module_param(tea6300, int, 0444); 1253module_param(tea6320, int, 0444); 1254module_param(tea6420, int, 0444); 1255module_param(pic16c54, int, 0444); 1256module_param(ta8874z, int, 0444); 1257 1258static struct CHIPDESC chiplist[] = { 1259 { 1260 .name = "tda9840", 1261 .id = I2C_DRIVERID_TDA9840, 1262 .insmodopt = &tda9840, 1263 .addr_lo = I2C_ADDR_TDA9840 >> 1, 1264 .addr_hi = I2C_ADDR_TDA9840 >> 1, 1265 .registers = 5, 1266 1267 .checkit = tda9840_checkit, 1268 .getmode = tda9840_getmode, 1269 .setmode = tda9840_setmode, 1270 .checkmode = generic_checkmode, 1271 1272 .init = { 2, { TDA9840_TEST, TDA9840_TEST_INT1SN 1273 /* ,TDA9840_SW, TDA9840_MONO */} } 1274 }, 1275 { 1276 .name = "tda9873h", 1277 .id = I2C_DRIVERID_TDA9873, 1278 .checkit = tda9873_checkit, 1279 .insmodopt = &tda9873, 1280 .addr_lo = I2C_ADDR_TDA985x_L >> 1, 1281 .addr_hi = I2C_ADDR_TDA985x_H >> 1, 1282 .registers = 3, 1283 .flags = CHIP_HAS_INPUTSEL, 1284 1285 .getmode = tda9873_getmode, 1286 .setmode = tda9873_setmode, 1287 .checkmode = generic_checkmode, 1288 1289 .init = { 4, { TDA9873_SW, 0xa4, 0x06, 0x03 } }, 1290 .inputreg = TDA9873_SW, 1291 .inputmute = TDA9873_MUTE | TDA9873_AUTOMUTE, 1292 .inputmap = {0xa0, 0xa2, 0xa0, 0xa0}, 1293 .inputmask = TDA9873_INP_MASK|TDA9873_MUTE|TDA9873_AUTOMUTE, 1294 1295 }, 1296 { 1297 .name = "tda9874h/a", 1298 .id = I2C_DRIVERID_TDA9874, 1299 .checkit = tda9874a_checkit, 1300 .initialize = tda9874a_initialize, 1301 .insmodopt = &tda9874a, 1302 .addr_lo = I2C_ADDR_TDA9874 >> 1, 1303 .addr_hi = I2C_ADDR_TDA9874 >> 1, 1304 1305 .getmode = tda9874a_getmode, 1306 .setmode = tda9874a_setmode, 1307 .checkmode = generic_checkmode, 1308 }, 1309 { 1310 .name = "tda9850", 1311 .id = I2C_DRIVERID_TDA9850, 1312 .insmodopt = &tda9850, 1313 .addr_lo = I2C_ADDR_TDA985x_L >> 1, 1314 .addr_hi = I2C_ADDR_TDA985x_H >> 1, 1315 .registers = 11, 1316 1317 .getmode = tda985x_getmode, 1318 .setmode = tda985x_setmode, 1319 1320 .init = { 8, { TDA9850_C4, 0x08, 0x08, TDA985x_STEREO, 0x07, 0x10, 0x10, 0x03 } } 1321 }, 1322 { 1323 .name = "tda9855", 1324 .id = I2C_DRIVERID_TDA9855, 1325 .insmodopt = &tda9855, 1326 .addr_lo = I2C_ADDR_TDA985x_L >> 1, 1327 .addr_hi = I2C_ADDR_TDA985x_H >> 1, 1328 .registers = 11, 1329 .flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE, 1330 1331 .leftreg = TDA9855_VL, 1332 .rightreg = TDA9855_VR, 1333 .bassreg = TDA9855_BA, 1334 .treblereg = TDA9855_TR, 1335 .volfunc = tda9855_volume, 1336 .bassfunc = tda9855_bass, 1337 .treblefunc = tda9855_treble, 1338 1339 .getmode = tda985x_getmode, 1340 .setmode = tda985x_setmode, 1341 1342 .init = { 12, { 0, 0x6f, 0x6f, 0x0e, 0x07<<1, 0x8<<2, 1343 TDA9855_MUTE | TDA9855_AVL | TDA9855_LOUD | TDA9855_INT, 1344 TDA985x_STEREO | TDA9855_LINEAR | TDA9855_TZCM | TDA9855_VZCM, 1345 0x07, 0x10, 0x10, 0x03 }} 1346 }, 1347 { 1348 .name = "tea6300", 1349 .id = I2C_DRIVERID_TEA6300, 1350 .insmodopt = &tea6300, 1351 .addr_lo = I2C_ADDR_TEA6300 >> 1, 1352 .addr_hi = I2C_ADDR_TEA6300 >> 1, 1353 .registers = 6, 1354 .flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE | CHIP_HAS_INPUTSEL, 1355 1356 .leftreg = TEA6300_VR, 1357 .rightreg = TEA6300_VL, 1358 .bassreg = TEA6300_BA, 1359 .treblereg = TEA6300_TR, 1360 .volfunc = tea6300_shift10, 1361 .bassfunc = tea6300_shift12, 1362 .treblefunc = tea6300_shift12, 1363 1364 .inputreg = TEA6300_S, 1365 .inputmap = { TEA6300_S_SA, TEA6300_S_SB, TEA6300_S_SC }, 1366 .inputmute = TEA6300_S_GMU, 1367 }, 1368 { 1369 .name = "tea6320", 1370 .id = I2C_DRIVERID_TEA6300, 1371 .initialize = tea6320_initialize, 1372 .insmodopt = &tea6320, 1373 .addr_lo = I2C_ADDR_TEA6300 >> 1, 1374 .addr_hi = I2C_ADDR_TEA6300 >> 1, 1375 .registers = 8, 1376 .flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE | CHIP_HAS_INPUTSEL, 1377 1378 .leftreg = TEA6320_V, 1379 .rightreg = TEA6320_V, 1380 .bassreg = TEA6320_BA, 1381 .treblereg = TEA6320_TR, 1382 .volfunc = tea6320_volume, 1383 .bassfunc = tea6320_shift11, 1384 .treblefunc = tea6320_shift11, 1385 1386 .inputreg = TEA6320_S, 1387 .inputmap = { TEA6320_S_SA, TEA6420_S_SB, TEA6300_S_SC, TEA6320_S_SD }, 1388 .inputmute = TEA6300_S_GMU, 1389 }, 1390 { 1391 .name = "tea6420", 1392 .id = I2C_DRIVERID_TEA6420, 1393 .insmodopt = &tea6420, 1394 .addr_lo = I2C_ADDR_TEA6420 >> 1, 1395 .addr_hi = I2C_ADDR_TEA6420 >> 1, 1396 .registers = 1, 1397 .flags = CHIP_HAS_INPUTSEL, 1398 1399 .inputreg = -1, 1400 .inputmap = { TEA6420_S_SA, TEA6420_S_SB, TEA6420_S_SC }, 1401 .inputmute = TEA6300_S_GMU, 1402 }, 1403 { 1404 .name = "tda8425", 1405 .id = I2C_DRIVERID_TDA8425, 1406 .insmodopt = &tda8425, 1407 .addr_lo = I2C_ADDR_TDA8425 >> 1, 1408 .addr_hi = I2C_ADDR_TDA8425 >> 1, 1409 .registers = 9, 1410 .flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE | CHIP_HAS_INPUTSEL, 1411 1412 .leftreg = TDA8425_VL, 1413 .rightreg = TDA8425_VR, 1414 .bassreg = TDA8425_BA, 1415 .treblereg = TDA8425_TR, 1416 .volfunc = tda8425_shift10, 1417 .bassfunc = tda8425_shift12, 1418 .treblefunc = tda8425_shift12, 1419 1420 .inputreg = TDA8425_S1, 1421 .inputmap = { TDA8425_S1_CH1, TDA8425_S1_CH1, TDA8425_S1_CH1 }, 1422 .inputmute = TDA8425_S1_OFF, 1423 1424 .setmode = tda8425_setmode, 1425 .initialize = tda8425_initialize, 1426 }, 1427 { 1428 .name = "pic16c54 (PV951)", 1429 .id = I2C_DRIVERID_PIC16C54_PV9, 1430 .insmodopt = &pic16c54, 1431 .addr_lo = I2C_ADDR_PIC16C54 >> 1, 1432 .addr_hi = I2C_ADDR_PIC16C54>> 1, 1433 .registers = 2, 1434 .flags = CHIP_HAS_INPUTSEL, 1435 1436 .inputreg = PIC16C54_REG_MISC, 1437 .inputmap = {PIC16C54_MISC_SND_NOTMUTE|PIC16C54_MISC_SWITCH_TUNER, 1438 PIC16C54_MISC_SND_NOTMUTE|PIC16C54_MISC_SWITCH_LINE, 1439 PIC16C54_MISC_SND_NOTMUTE|PIC16C54_MISC_SWITCH_LINE, 1440 PIC16C54_MISC_SND_MUTE}, 1441 .inputmute = PIC16C54_MISC_SND_MUTE, 1442 }, 1443 { 1444 .name = "ta8874z", 1445 .id = -1, 1446 /*.id = I2C_DRIVERID_TA8874Z, */ 1447 .checkit = ta8874z_checkit, 1448 .insmodopt = &ta8874z, 1449 .addr_lo = I2C_ADDR_TDA9840 >> 1, 1450 .addr_hi = I2C_ADDR_TDA9840 >> 1, 1451 .registers = 2, 1452 1453 .getmode = ta8874z_getmode, 1454 .setmode = ta8874z_setmode, 1455 .checkmode = generic_checkmode, 1456 1457 .init = {2, { TA8874Z_MONO_SET, TA8874Z_SEPARATION_DEFAULT}}, 1458 }, 1459 { .name = NULL } /* EOF */ 1460}; 1461 1462 1463/* ---------------------------------------------------------------------- */ 1464/* i2c registration */ 1465 1466static int chip_attach(struct i2c_adapter *adap, int addr, int kind) 1467{ 1468 struct CHIPSTATE *chip; 1469 struct CHIPDESC *desc; 1470 1471 chip = kzalloc(sizeof(*chip),GFP_KERNEL); 1472 if (!chip) 1473 return -ENOMEM; 1474 memcpy(&chip->c,&client_template,sizeof(struct i2c_client)); 1475 chip->c.adapter = adap; 1476 chip->c.addr = addr; 1477 i2c_set_clientdata(&chip->c, chip); 1478 1479 /* find description for the chip */ 1480 v4l_dbg(1, debug, &chip->c, "chip found @ 0x%x\n", addr<<1); 1481 for (desc = chiplist; desc->name != NULL; desc++) { 1482 if (0 == *(desc->insmodopt)) 1483 continue; 1484 if (addr < desc->addr_lo || 1485 addr > desc->addr_hi) 1486 continue; 1487 if (desc->checkit && !desc->checkit(chip)) 1488 continue; 1489 break; 1490 } 1491 if (desc->name == NULL) { 1492 v4l_dbg(1, debug, &chip->c, "no matching chip description found\n"); 1493 return -EIO; 1494 } 1495 v4l_info(&chip->c, "%s found @ 0x%x (%s)\n", desc->name, addr<<1, adap->name); 1496 if (desc->flags) { 1497 v4l_dbg(1, debug, &chip->c, "matches:%s%s%s.\n", 1498 (desc->flags & CHIP_HAS_VOLUME) ? " volume" : "", 1499 (desc->flags & CHIP_HAS_BASSTREBLE) ? " bass/treble" : "", 1500 (desc->flags & CHIP_HAS_INPUTSEL) ? " audiomux" : ""); 1501 } 1502 1503 /* fill required data structures */ 1504 strcpy(chip->c.name, desc->name); 1505 chip->type = desc-chiplist; 1506 chip->shadow.count = desc->registers+1; 1507 chip->prevmode = -1; 1508 chip->audmode = V4L2_TUNER_MODE_LANG1; 1509 /* register */ 1510 i2c_attach_client(&chip->c); 1511 1512 /* initialization */ 1513 if (desc->initialize != NULL) 1514 desc->initialize(chip); 1515 else 1516 chip_cmd(chip,"init",&desc->init); 1517 1518 if (desc->flags & CHIP_HAS_VOLUME) { 1519 chip->left = desc->leftinit ? desc->leftinit : 65535; 1520 chip->right = desc->rightinit ? desc->rightinit : 65535; 1521 chip_write(chip,desc->leftreg,desc->volfunc(chip->left)); 1522 chip_write(chip,desc->rightreg,desc->volfunc(chip->right)); 1523 } 1524 if (desc->flags & CHIP_HAS_BASSTREBLE) { 1525 chip->treble = desc->trebleinit ? desc->trebleinit : 32768; 1526 chip->bass = desc->bassinit ? desc->bassinit : 32768; 1527 chip_write(chip,desc->bassreg,desc->bassfunc(chip->bass)); 1528 chip_write(chip,desc->treblereg,desc->treblefunc(chip->treble)); 1529 } 1530 1531 chip->thread = NULL; 1532 if (desc->checkmode) { 1533 /* start async thread */ 1534 init_timer(&chip->wt); 1535 chip->wt.function = chip_thread_wake; 1536 chip->wt.data = (unsigned long)chip; 1537 chip->thread = kthread_run(chip_thread, chip, chip->c.name); 1538 if (IS_ERR(chip->thread)) { 1539 v4l_warn(&chip->c, "%s: failed to create kthread\n", 1540 chip->c.name); 1541 chip->thread = NULL; 1542 } 1543 } 1544 return 0; 1545} 1546 1547static int chip_probe(struct i2c_adapter *adap) 1548{ 1549 /* don't attach on saa7146 based cards, 1550 because dedicated drivers are used */ 1551 if ((adap->id == I2C_HW_SAA7146)) 1552 return 0; 1553 if (adap->class & I2C_CLASS_TV_ANALOG) 1554 return i2c_probe(adap, &addr_data, chip_attach); 1555 return 0; 1556} 1557 1558static int chip_detach(struct i2c_client *client) 1559{ 1560 struct CHIPSTATE *chip = i2c_get_clientdata(client); 1561 1562 del_timer_sync(&chip->wt); 1563 if (chip->thread) { 1564 /* shutdown async thread */ 1565 kthread_stop(chip->thread); 1566 chip->thread = NULL; 1567 } 1568 1569 i2c_detach_client(&chip->c); 1570 kfree(chip); 1571 return 0; 1572} 1573 1574static int tvaudio_set_ctrl(struct CHIPSTATE *chip, struct v4l2_control *ctrl) 1575{ 1576 struct CHIPDESC *desc = chiplist + chip->type; 1577 1578 switch (ctrl->id) { 1579 case V4L2_CID_AUDIO_MUTE: 1580 if (ctrl->value < 0 || ctrl->value >= 2) 1581 return -ERANGE; 1582 chip->muted = ctrl->value; 1583 if (chip->muted) 1584 chip_write_masked(chip,desc->inputreg,desc->inputmute,desc->inputmask); 1585 else 1586 chip_write_masked(chip,desc->inputreg, 1587 desc->inputmap[chip->input],desc->inputmask); 1588 break; 1589 default: 1590 return -EINVAL; 1591 } 1592 return 0; 1593} 1594 1595 1596/* ---------------------------------------------------------------------- */ 1597/* video4linux interface */ 1598 1599static int chip_command(struct i2c_client *client, 1600 unsigned int cmd, void *arg) 1601{ 1602 struct CHIPSTATE *chip = i2c_get_clientdata(client); 1603 struct CHIPDESC *desc = chiplist + chip->type; 1604 1605 v4l_dbg(1, debug, &chip->c, "%s: chip_command 0x%x\n", chip->c.name, cmd); 1606 1607 switch (cmd) { 1608 case AUDC_SET_RADIO: 1609 chip->radio = 1; 1610 chip->watch_stereo = 0; 1611 /* del_timer(&chip->wt); */ 1612 break; 1613 1614 /* --- v4l ioctls --- */ 1615 /* take care: bttv does userspace copying, we'll get a 1616 kernel pointer here... */ 1617 case VIDIOCGAUDIO: 1618 { 1619 struct video_audio *va = arg; 1620 1621 if (desc->flags & CHIP_HAS_VOLUME) { 1622 va->flags |= VIDEO_AUDIO_VOLUME; 1623 va->volume = max(chip->left,chip->right); 1624 if (va->volume) 1625 va->balance = (32768*min(chip->left,chip->right))/ 1626 va->volume; 1627 else 1628 va->balance = 32768; 1629 } 1630 if (desc->flags & CHIP_HAS_BASSTREBLE) { 1631 va->flags |= VIDEO_AUDIO_BASS | VIDEO_AUDIO_TREBLE; 1632 va->bass = chip->bass; 1633 va->treble = chip->treble; 1634 } 1635 if (!chip->radio) { 1636 if (desc->getmode) 1637 va->mode = desc->getmode(chip); 1638 else 1639 va->mode = VIDEO_SOUND_MONO; 1640 } 1641 break; 1642 } 1643 1644 case VIDIOCSAUDIO: 1645 { 1646 struct video_audio *va = arg; 1647 1648 if (desc->flags & CHIP_HAS_VOLUME) { 1649 chip->left = (min(65536 - va->balance,32768) * 1650 va->volume) / 32768; 1651 chip->right = (min(va->balance,(__u16)32768) * 1652 va->volume) / 32768; 1653 chip_write(chip,desc->leftreg,desc->volfunc(chip->left)); 1654 chip_write(chip,desc->rightreg,desc->volfunc(chip->right)); 1655 } 1656 if (desc->flags & CHIP_HAS_BASSTREBLE) { 1657 chip->bass = va->bass; 1658 chip->treble = va->treble; 1659 chip_write(chip,desc->bassreg,desc->bassfunc(chip->bass)); 1660 chip_write(chip,desc->treblereg,desc->treblefunc(chip->treble)); 1661 } 1662 if (desc->setmode && va->mode) { 1663 chip->watch_stereo = 0; 1664 /* del_timer(&chip->wt); */ 1665 chip->mode = va->mode; 1666 desc->setmode(chip,va->mode); 1667 } 1668 break; 1669 } 1670 1671 case VIDIOC_S_CTRL: 1672 return tvaudio_set_ctrl(chip, arg); 1673 1674 case VIDIOC_INT_G_AUDIO_ROUTING: 1675 { 1676 struct v4l2_routing *rt = arg; 1677 1678 rt->input = chip->input; 1679 rt->output = 0; 1680 break; 1681 } 1682 1683 case VIDIOC_INT_S_AUDIO_ROUTING: 1684 { 1685 struct v4l2_routing *rt = arg; 1686 1687 if (!(desc->flags & CHIP_HAS_INPUTSEL) || rt->input >= 4) 1688 return -EINVAL; 1689 /* There are four inputs: tuner, radio, extern and intern. */ 1690 chip->input = rt->input; 1691 if (chip->muted) 1692 break; 1693 chip_write_masked(chip, desc->inputreg, 1694 desc->inputmap[chip->input], desc->inputmask); 1695 break; 1696 } 1697 1698 case VIDIOC_S_TUNER: 1699 { 1700 struct v4l2_tuner *vt = arg; 1701 int mode = 0; 1702 1703 if (chip->radio) 1704 break; 1705 switch (vt->audmode) { 1706 case V4L2_TUNER_MODE_MONO: 1707 mode = VIDEO_SOUND_MONO; 1708 break; 1709 case V4L2_TUNER_MODE_STEREO: 1710 case V4L2_TUNER_MODE_LANG1_LANG2: 1711 mode = VIDEO_SOUND_STEREO; 1712 break; 1713 case V4L2_TUNER_MODE_LANG1: 1714 mode = VIDEO_SOUND_LANG1; 1715 break; 1716 case V4L2_TUNER_MODE_LANG2: 1717 mode = VIDEO_SOUND_LANG2; 1718 break; 1719 default: 1720 return -EINVAL; 1721 } 1722 chip->audmode = vt->audmode; 1723 1724 if (desc->setmode && mode) { 1725 chip->watch_stereo = 0; 1726 /* del_timer(&chip->wt); */ 1727 chip->mode = mode; 1728 desc->setmode(chip, mode); 1729 } 1730 break; 1731 } 1732 1733 case VIDIOC_G_TUNER: 1734 { 1735 struct v4l2_tuner *vt = arg; 1736 int mode = VIDEO_SOUND_MONO; 1737 1738 if (chip->radio) 1739 break; 1740 vt->audmode = chip->audmode; 1741 vt->rxsubchans = 0; 1742 vt->capability = V4L2_TUNER_CAP_STEREO | 1743 V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2; 1744 1745 if (desc->getmode) 1746 mode = desc->getmode(chip); 1747 1748 if (mode & VIDEO_SOUND_MONO) 1749 vt->rxsubchans |= V4L2_TUNER_SUB_MONO; 1750 if (mode & VIDEO_SOUND_STEREO) 1751 vt->rxsubchans |= V4L2_TUNER_SUB_STEREO; 1752 /* Note: for SAP it should be mono/lang2 or stereo/lang2. 1753 When this module is converted fully to v4l2, then this 1754 should change for those chips that can detect SAP. */ 1755 if (mode & VIDEO_SOUND_LANG1) 1756 vt->rxsubchans = V4L2_TUNER_SUB_LANG1 | 1757 V4L2_TUNER_SUB_LANG2; 1758 break; 1759 } 1760 1761 case VIDIOCSCHAN: 1762 case VIDIOC_S_STD: 1763 chip->radio = 0; 1764 break; 1765 1766 case VIDIOCSFREQ: 1767 case VIDIOC_S_FREQUENCY: 1768 chip->mode = 0; /* automatic */ 1769 if (desc->checkmode) { 1770 desc->setmode(chip,VIDEO_SOUND_MONO); 1771 if (chip->prevmode != VIDEO_SOUND_MONO) 1772 chip->prevmode = -1; /* reset previous mode */ 1773 mod_timer(&chip->wt, jiffies+2*HZ); 1774 /* the thread will call checkmode() later */ 1775 } 1776 break; 1777 1778 case VIDIOC_G_CHIP_IDENT: 1779 return v4l2_chip_ident_i2c_client(client, arg, V4L2_IDENT_TVAUDIO, 0); 1780 } 1781 return 0; 1782} 1783 1784static struct i2c_driver driver = { 1785 .driver = { 1786 .name = "tvaudio", 1787 }, 1788 .id = I2C_DRIVERID_TVAUDIO, 1789 .attach_adapter = chip_probe, 1790 .detach_client = chip_detach, 1791 .command = chip_command, 1792}; 1793 1794static struct i2c_client client_template = 1795{ 1796 .name = "(unset)", 1797 .driver = &driver, 1798}; 1799 1800static int __init audiochip_init_module(void) 1801{ 1802 struct CHIPDESC *desc; 1803 1804 if (debug) { 1805 printk(KERN_INFO "tvaudio: TV audio decoder + audio/video mux driver\n"); 1806 printk(KERN_INFO "tvaudio: known chips: "); 1807 for (desc = chiplist; desc->name != NULL; desc++) 1808 printk("%s%s", (desc == chiplist) ? "" : ", ", desc->name); 1809 printk("\n"); 1810 } 1811 1812 return i2c_add_driver(&driver); 1813} 1814 1815static void __exit audiochip_cleanup_module(void) 1816{ 1817 i2c_del_driver(&driver); 1818} 1819 1820module_init(audiochip_init_module); 1821module_exit(audiochip_cleanup_module); 1822 1823/* 1824 * Local variables: 1825 * c-basic-offset: 8 1826 * End: 1827 */ 1828