msp34xx.c revision 298955
1/*- 2 * Copyright (c) 1997-2001 Gerd Knorr <kraxel@bytesex.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD: head/sys/dev/bktr/msp34xx.c 298955 2016-05-03 03:41:25Z pfg $ 27 */ 28 29/* 30 * programming the msp34* sound processor family 31 * 32 * (c) 1997-2001 Gerd Knorr <kraxel@bytesex.org> 33 * 34 * what works and what doesn't: 35 * 36 * AM-Mono 37 * Support for Hauppauge cards added (decoding handled by tuner) added by 38 * Frederic Crozat <fcrozat@mail.dotcom.fr> 39 * 40 * FM-Mono 41 * should work. The stereo modes are backward compatible to FM-mono, 42 * therefore FM-Mono should be always available. 43 * 44 * FM-Stereo (B/G, used in germany) 45 * should work, with autodetect 46 * 47 * FM-Stereo (satellite) 48 * should work, no autodetect (i.e. default is mono, but you can 49 * switch to stereo -- untested) 50 * 51 * NICAM (B/G, L , used in UK, Scandinavia, Spain and France) 52 * should work, with autodetect. Support for NICAM was added by 53 * Pekka Pietikainen <pp@netppl.fi> 54 * 55 * 56 * TODO: 57 * - better SAT support 58 * 59 * 60 * 980623 Thomas Sailer (sailer@ife.ee.ethz.ch) 61 * using soundcore instead of OSS 62 * 63 * 64 * The FreeBSD modifications by Alexander Langer <alex@FreeBSD.org> 65 * are in the public domain. Please contact me (Alex) and not Gerd for 66 * any problems you encounter under FreeBSD. 67 * 68 * FreeBSD TODO: 69 * - mutex handling (currently not mp-safe) 70 * - the various options here as loader tunables or compile time or whatever 71 * - how does the new dolby flag work with the current dpl_* stuff? 72 * Maybe it's just enough to set the dolby flag to 1 and it works. 73 * As I don't have a dolby card myself, I can't test it, though. 74 */ 75 76#include "opt_bktr.h" /* Include any kernel config options */ 77#ifdef BKTR_NEW_MSP34XX_DRIVER /* file only needed for new driver */ 78 79#include <sys/param.h> 80#include <sys/systm.h> 81#include <sys/kernel.h> 82#include <sys/vnode.h> 83 84#include <sys/unistd.h> 85#include <sys/kthread.h> 86#include <sys/malloc.h> 87 88#ifdef BKTR_USE_FREEBSD_SMBUS 89#include <sys/bus.h> /* required by bktr_reg.h */ 90#endif 91 92#include <machine/bus.h> /* required by bktr_reg.h */ 93 94#include <dev/bktr/ioctl_meteor.h> 95#include <dev/bktr/ioctl_bt848.h> /* extensions to ioctl_meteor.h */ 96#include <dev/bktr/bktr_reg.h> 97#include <dev/bktr/bktr_tuner.h> 98#include <dev/bktr/bktr_audio.h> 99#include <dev/bktr/bktr_core.h> 100 101#define VIDEO_MODE_PAL 0 102#define VIDEO_MODE_NTSC 1 103#define VIDEO_MODE_SECAM 2 104#define VIDEO_MODE_AUTO 3 105 106#define VIDEO_SOUND_MONO 1 107#define VIDEO_SOUND_STEREO 2 108#define VIDEO_SOUND_LANG1 4 109#define VIDEO_SOUND_LANG2 8 110 111#define DFP_COUNT 0x41 112static const int bl_dfp[] = { 113 0x00, 0x01, 0x02, 0x03, 0x06, 0x08, 0x09, 0x0a, 114 0x0b, 0x0d, 0x0e, 0x10 115}; 116 117struct msp3400c { 118 int simple; 119 int nicam; 120 int mode; 121 int norm; 122 int stereo; 123 int nicam_on; 124 int acb; 125 int main, second; /* sound carrier */ 126 int input; 127 128 int muted; 129 int left, right; /* volume */ 130 int bass, treble; 131 132 /* shadow register set */ 133 int dfp_regs[DFP_COUNT]; 134 135 /* thread */ 136 struct proc *kthread; 137 138 int active,restart,rmmod; 139 140 int watch_stereo; 141 int halt_thread; 142}; 143 144#define VIDEO_MODE_RADIO 16 /* norm magic for radio mode */ 145 146/* ---------------------------------------------------------------------- */ 147 148#define dprintk(...) do { \ 149 if (bootverbose) { \ 150 printf("%s: ", bktr_name(client)); \ 151 printf(__VA_ARGS__); \ 152 } \ 153} while (0) 154 155/* ---------------------------------------------------------------------- */ 156 157#define I2C_MSP3400C 0x80 158#define I2C_MSP3400C_DEM 0x10 159#define I2C_MSP3400C_DFP 0x12 160 161/* ----------------------------------------------------------------------- */ 162/* functions for talking to the MSP3400C Sound processor */ 163 164static int msp3400c_reset(bktr_ptr_t client) 165{ 166 /* use our own which handles config(8) options */ 167 msp_dpl_reset(client, client->msp_addr); 168 169 return 0; 170} 171 172static int 173msp3400c_read(bktr_ptr_t client, int dev, int addr) 174{ 175 /* use our own */ 176 return(msp_dpl_read(client, client->msp_addr, dev, addr)); 177} 178 179static int 180msp3400c_write(bktr_ptr_t client, int dev, int addr, int val) 181{ 182 /* use our own */ 183 msp_dpl_write(client, client->msp_addr, dev, addr, val); 184 185 return(0); 186} 187 188/* ------------------------------------------------------------------------ */ 189 190/* This macro is allowed for *constants* only, gcc must calculate it 191 at compile time. Remember -- no floats in kernel mode */ 192#define MSP_CARRIER(freq) ((int)((float)(freq/18.432)*(1<<24))) 193 194#define MSP_MODE_AM_DETECT 0 195#define MSP_MODE_FM_RADIO 2 196#define MSP_MODE_FM_TERRA 3 197#define MSP_MODE_FM_SAT 4 198#define MSP_MODE_FM_NICAM1 5 199#define MSP_MODE_FM_NICAM2 6 200#define MSP_MODE_AM_NICAM 7 201#define MSP_MODE_BTSC 8 202#define MSP_MODE_EXTERN 9 203 204static struct MSP_INIT_DATA_DEM { 205 int fir1[6]; 206 int fir2[6]; 207 int cdo1; 208 int cdo2; 209 int ad_cv; 210 int mode_reg; 211 int dfp_src; 212 int dfp_matrix; 213} msp_init_data[] = { 214 /* AM (for carrier detect / msp3400) */ 215 { { 75, 19, 36, 35, 39, 40 }, { 75, 19, 36, 35, 39, 40 }, 216 MSP_CARRIER(5.5), MSP_CARRIER(5.5), 217 0x00d0, 0x0500, 0x0020, 0x3000}, 218 219 /* AM (for carrier detect / msp3410) */ 220 { { -1, -1, -8, 2, 59, 126 }, { -1, -1, -8, 2, 59, 126 }, 221 MSP_CARRIER(5.5), MSP_CARRIER(5.5), 222 0x00d0, 0x0100, 0x0020, 0x3000}, 223 224 /* FM Radio */ 225 { { -8, -8, 4, 6, 78, 107 }, { -8, -8, 4, 6, 78, 107 }, 226 MSP_CARRIER(10.7), MSP_CARRIER(10.7), 227 0x00d0, 0x0480, 0x0020, 0x3000 }, 228 229 /* Terrestrial FM-mono + FM-stereo */ 230 { { 3, 18, 27, 48, 66, 72 }, { 3, 18, 27, 48, 66, 72 }, 231 MSP_CARRIER(5.5), MSP_CARRIER(5.5), 232 0x00d0, 0x0480, 0x0030, 0x3000}, 233 234 /* Sat FM-mono */ 235 { { 1, 9, 14, 24, 33, 37 }, { 3, 18, 27, 48, 66, 72 }, 236 MSP_CARRIER(6.5), MSP_CARRIER(6.5), 237 0x00c6, 0x0480, 0x0000, 0x3000}, 238 239 /* NICAM/FM -- B/G (5.5/5.85), D/K (6.5/5.85) */ 240 { { -2, -8, -10, 10, 50, 86 }, { 3, 18, 27, 48, 66, 72 }, 241 MSP_CARRIER(5.5), MSP_CARRIER(5.5), 242 0x00d0, 0x0040, 0x0120, 0x3000}, 243 244 /* NICAM/FM -- I (6.0/6.552) */ 245 { { 2, 4, -6, -4, 40, 94 }, { 3, 18, 27, 48, 66, 72 }, 246 MSP_CARRIER(6.0), MSP_CARRIER(6.0), 247 0x00d0, 0x0040, 0x0120, 0x3000}, 248 249 /* NICAM/AM -- L (6.5/5.85) */ 250 { { -2, -8, -10, 10, 50, 86 }, { -4, -12, -9, 23, 79, 126 }, 251 MSP_CARRIER(6.5), MSP_CARRIER(6.5), 252 0x00c6, 0x0140, 0x0120, 0x7c03}, 253}; 254 255struct CARRIER_DETECT { 256 int cdo; 257 char *name; 258}; 259 260static struct CARRIER_DETECT carrier_detect_main[] = { 261 /* main carrier */ 262 { MSP_CARRIER(4.5), "4.5 NTSC" }, 263 { MSP_CARRIER(5.5), "5.5 PAL B/G" }, 264 { MSP_CARRIER(6.0), "6.0 PAL I" }, 265 { MSP_CARRIER(6.5), "6.5 PAL D/K + SAT + SECAM" } 266}; 267 268static struct CARRIER_DETECT carrier_detect_55[] = { 269 /* PAL B/G */ 270 { MSP_CARRIER(5.7421875), "5.742 PAL B/G FM-stereo" }, 271 { MSP_CARRIER(5.85), "5.85 PAL B/G NICAM" } 272}; 273 274static struct CARRIER_DETECT carrier_detect_65[] = { 275 /* PAL SAT / SECAM */ 276 { MSP_CARRIER(5.85), "5.85 PAL D/K + SECAM NICAM" }, 277 { MSP_CARRIER(6.2578125), "6.25 PAL D/K1 FM-stereo" }, 278 { MSP_CARRIER(6.7421875), "6.74 PAL D/K2 FM-stereo" }, 279 { MSP_CARRIER(7.02), "7.02 PAL SAT FM-stereo s/b" }, 280 { MSP_CARRIER(7.20), "7.20 PAL SAT FM-stereo s" }, 281 { MSP_CARRIER(7.38), "7.38 PAL SAT FM-stereo b" }, 282}; 283 284#define CARRIER_COUNT(x) (sizeof(x)/sizeof(struct CARRIER_DETECT)) 285 286/* ----------------------------------------------------------------------- */ 287 288#define SCART_MASK 0 289#define SCART_IN1 1 290#define SCART_IN2 2 291#define SCART_IN1_DA 3 292#define SCART_IN2_DA 4 293#define SCART_IN3 5 294#define SCART_IN4 6 295#define SCART_MONO 7 296#define SCART_MUTE 8 297 298static int scarts[3][9] = { 299 /* MASK IN1 IN2 IN1_DA IN2_DA IN3 IN4 MONO MUTE */ 300 { 0x0320, 0x0000, 0x0200, -1, -1, 0x0300, 0x0020, 0x0100, 0x0320 }, 301 { 0x0c40, 0x0440, 0x0400, 0x0c00, 0x0040, 0x0000, 0x0840, 0x0800, 0x0c40 }, 302 { 0x3080, 0x1000, 0x1080, 0x0000, 0x0080, 0x2080, 0x3080, 0x2000, 0x3000 }, 303}; 304 305static char *scart_names[] = { 306 "mask", "in1", "in2", "in1 da", "in2 da", "in3", "in4", "mono", "mute" 307}; 308 309static void 310msp3400c_set_scart(bktr_ptr_t client, int in, int out) 311{ 312 struct msp3400c *msp = client->msp3400c_info; 313 314 if (-1 == scarts[out][in]) 315 return; 316 317 dprintk("msp34xx: scart switch: %s => %d\n",scart_names[in],out); 318 msp->acb &= ~scarts[out][SCART_MASK]; 319 msp->acb |= scarts[out][in]; 320 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0013, msp->acb); 321} 322 323/* ------------------------------------------------------------------------ */ 324 325static void msp3400c_setcarrier(bktr_ptr_t client, int cdo1, int cdo2) 326{ 327 msp3400c_write(client,I2C_MSP3400C_DEM, 0x0093, cdo1 & 0xfff); 328 msp3400c_write(client,I2C_MSP3400C_DEM, 0x009b, cdo1 >> 12); 329 msp3400c_write(client,I2C_MSP3400C_DEM, 0x00a3, cdo2 & 0xfff); 330 msp3400c_write(client,I2C_MSP3400C_DEM, 0x00ab, cdo2 >> 12); 331 msp3400c_write(client,I2C_MSP3400C_DEM, 0x0056, 0); /*LOAD_REG_1/2*/ 332} 333 334static void msp3400c_setvolume(bktr_ptr_t client, 335 int muted, int left, int right) 336{ 337 int vol = 0,val = 0,balance = 0; 338 339 if (!muted) { 340 vol = (left > right) ? left : right; 341 val = (vol * 0x73 / 65535) << 8; 342 } 343 if (vol > 0) { 344 balance = ((right-left) * 127) / vol; 345 } 346 347 dprintk("msp34xx: setvolume: mute=%s %d:%d v=0x%02x b=0x%02x\n", 348 muted ? "on" : "off", left, right, val>>8, balance); 349 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0000, val); /* loudspeaker */ 350 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0006, val); /* headphones */ 351 /* scart - on/off only */ 352 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0007, val ? 0x4000 : 0); 353 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0001, balance << 8); 354} 355 356static void msp3400c_setbass(bktr_ptr_t client, int bass) 357{ 358 int val = ((bass-32768) * 0x60 / 65535) << 8; 359 360 dprintk("msp34xx: setbass: %d 0x%02x\n",bass, val>>8); 361 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0002, val); /* loudspeaker */ 362} 363 364static void msp3400c_settreble(bktr_ptr_t client, int treble) 365{ 366 int val = ((treble-32768) * 0x60 / 65535) << 8; 367 368 dprintk("msp34xx: settreble: %d 0x%02x\n",treble, val>>8); 369 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0003, val); /* loudspeaker */ 370} 371 372static void msp3400c_setmode(bktr_ptr_t client, int type) 373{ 374 struct msp3400c *msp = client->msp3400c_info; 375 int i; 376 377 dprintk("msp3400: setmode: %d\n",type); 378 msp->mode = type; 379 msp->stereo = VIDEO_SOUND_MONO; 380 381 msp3400c_write(client,I2C_MSP3400C_DEM, 0x00bb, /* ad_cv */ 382 msp_init_data[type].ad_cv); 383 384 for (i = 5; i >= 0; i--) /* fir 1 */ 385 msp3400c_write(client,I2C_MSP3400C_DEM, 0x0001, 386 msp_init_data[type].fir1[i]); 387 388 msp3400c_write(client,I2C_MSP3400C_DEM, 0x0005, 0x0004); /* fir 2 */ 389 msp3400c_write(client,I2C_MSP3400C_DEM, 0x0005, 0x0040); 390 msp3400c_write(client,I2C_MSP3400C_DEM, 0x0005, 0x0000); 391 for (i = 5; i >= 0; i--) 392 msp3400c_write(client,I2C_MSP3400C_DEM, 0x0005, 393 msp_init_data[type].fir2[i]); 394 395 msp3400c_write(client,I2C_MSP3400C_DEM, 0x0083, /* MODE_REG */ 396 msp_init_data[type].mode_reg); 397 398 msp3400c_setcarrier(client, msp_init_data[type].cdo1, 399 msp_init_data[type].cdo2); 400 401 msp3400c_write(client,I2C_MSP3400C_DEM, 0x0056, 0); /*LOAD_REG_1/2*/ 402 403 if (client->dolby) { 404 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0008, 405 0x0520); /* I2S1 */ 406 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0009, 407 0x0620); /* I2S2 */ 408 msp3400c_write(client,I2C_MSP3400C_DFP, 0x000b, 409 msp_init_data[type].dfp_src); 410 } else { 411 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0008, 412 msp_init_data[type].dfp_src); 413 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0009, 414 msp_init_data[type].dfp_src); 415 msp3400c_write(client,I2C_MSP3400C_DFP, 0x000b, 416 msp_init_data[type].dfp_src); 417 } 418 msp3400c_write(client,I2C_MSP3400C_DFP, 0x000a, 419 msp_init_data[type].dfp_src); 420 msp3400c_write(client,I2C_MSP3400C_DFP, 0x000e, 421 msp_init_data[type].dfp_matrix); 422 423 if (msp->nicam) { 424 /* nicam prescale */ 425 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0010, 0x5a00); /* was: 0x3000 */ 426 } 427} 428 429/* turn on/off nicam + stereo */ 430static void msp3400c_setstereo(bktr_ptr_t client, int mode) 431{ 432 static char *strmode[] = { "0", "mono", "stereo", "3", 433 "lang1", "5", "6", "7", "lang2" }; 434 struct msp3400c *msp = client->msp3400c_info; 435 int nicam=0; /* channel source: FM/AM or nicam */ 436 int src=0; 437 438 /* switch demodulator */ 439 switch (msp->mode) { 440 case MSP_MODE_FM_TERRA: 441 dprintk("msp3400: FM setstereo: %s\n",strmode[mode]); 442 msp3400c_setcarrier(client,msp->second,msp->main); 443 switch (mode) { 444 case VIDEO_SOUND_STEREO: 445 msp3400c_write(client,I2C_MSP3400C_DFP, 0x000e, 0x3001); 446 break; 447 case VIDEO_SOUND_MONO: 448 case VIDEO_SOUND_LANG1: 449 case VIDEO_SOUND_LANG2: 450 msp3400c_write(client,I2C_MSP3400C_DFP, 0x000e, 0x3000); 451 break; 452 } 453 break; 454 case MSP_MODE_FM_SAT: 455 dprintk("msp3400: SAT setstereo: %s\n",strmode[mode]); 456 switch (mode) { 457 case VIDEO_SOUND_MONO: 458 msp3400c_setcarrier(client, MSP_CARRIER(6.5), MSP_CARRIER(6.5)); 459 break; 460 case VIDEO_SOUND_STEREO: 461 msp3400c_setcarrier(client, MSP_CARRIER(7.2), MSP_CARRIER(7.02)); 462 break; 463 case VIDEO_SOUND_LANG1: 464 msp3400c_setcarrier(client, MSP_CARRIER(7.38), MSP_CARRIER(7.02)); 465 break; 466 case VIDEO_SOUND_LANG2: 467 msp3400c_setcarrier(client, MSP_CARRIER(7.38), MSP_CARRIER(7.02)); 468 break; 469 } 470 break; 471 case MSP_MODE_FM_NICAM1: 472 case MSP_MODE_FM_NICAM2: 473 case MSP_MODE_AM_NICAM: 474 dprintk("msp3400: NICAM setstereo: %s\n",strmode[mode]); 475 msp3400c_setcarrier(client,msp->second,msp->main); 476 if (msp->nicam_on) 477 nicam=0x0100; 478 break; 479 case MSP_MODE_BTSC: 480 dprintk("msp3400: BTSC setstereo: %s\n",strmode[mode]); 481 nicam=0x0300; 482 break; 483 case MSP_MODE_EXTERN: 484 dprintk("msp3400: extern setstereo: %s\n",strmode[mode]); 485 nicam = 0x0200; 486 break; 487 case MSP_MODE_FM_RADIO: 488 dprintk("msp3400: FM-Radio setstereo: %s\n",strmode[mode]); 489 break; 490 default: 491 dprintk("msp3400: mono setstereo\n"); 492 return; 493 } 494 495 /* switch audio */ 496 switch (mode) { 497 case VIDEO_SOUND_STEREO: 498 src = 0x0020 | nicam; 499#if 0 500 /* spatial effect */ 501 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0005,0x4000); 502#endif 503 break; 504 case VIDEO_SOUND_MONO: 505 if (msp->mode == MSP_MODE_AM_NICAM) { 506 dprintk("msp3400: switching to AM mono\n"); 507 /* AM mono decoding is handled by tuner, not MSP chip */ 508 /* SCART switching control register */ 509 msp3400c_set_scart(client,SCART_MONO,0); 510 src = 0x0200; 511 break; 512 } 513 case VIDEO_SOUND_LANG1: 514 src = 0x0000 | nicam; 515 break; 516 case VIDEO_SOUND_LANG2: 517 src = 0x0010 | nicam; 518 break; 519 } 520 dprintk("msp3400: setstereo final source/matrix = 0x%x\n", src); 521 522 if (client->dolby) { 523 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0008,0x0520); 524 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0009,0x0620); 525 msp3400c_write(client,I2C_MSP3400C_DFP, 0x000a,src); 526 msp3400c_write(client,I2C_MSP3400C_DFP, 0x000b,src); 527 } else { 528 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0008,src); 529 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0009,src); 530 msp3400c_write(client,I2C_MSP3400C_DFP, 0x000a,src); 531 msp3400c_write(client,I2C_MSP3400C_DFP, 0x000b,src); 532 } 533} 534 535static void 536msp3400c_print_mode(struct msp3400c *msp) 537{ 538 if (msp->main == msp->second) { 539 printf("bktr: msp3400: mono sound carrier: %d.%03d MHz\n", 540 msp->main/910000,(msp->main/910)%1000); 541 } else { 542 printf("bktr: msp3400: main sound carrier: %d.%03d MHz\n", 543 msp->main/910000,(msp->main/910)%1000); 544 } 545 if (msp->mode == MSP_MODE_FM_NICAM1 || 546 msp->mode == MSP_MODE_FM_NICAM2) 547 printf("bktr: msp3400: NICAM/FM carrier : %d.%03d MHz\n", 548 msp->second/910000,(msp->second/910)%1000); 549 if (msp->mode == MSP_MODE_AM_NICAM) 550 printf("bktr: msp3400: NICAM/AM carrier : %d.%03d MHz\n", 551 msp->second/910000,(msp->second/910)%1000); 552 if (msp->mode == MSP_MODE_FM_TERRA && 553 msp->main != msp->second) { 554 printf("bktr: msp3400: FM-stereo carrier : %d.%03d MHz\n", 555 msp->second/910000,(msp->second/910)%1000); 556 } 557} 558 559static void 560msp3400c_restore_dfp(bktr_ptr_t client) 561{ 562 struct msp3400c *msp = (struct msp3400c*)client->msp3400c_info; 563 int i; 564 565 for (i = 0; i < DFP_COUNT; i++) { 566 if (-1 == msp->dfp_regs[i]) 567 continue; 568 msp3400c_write(client,I2C_MSP3400C_DFP, i, msp->dfp_regs[i]); 569 } 570} 571 572/* ----------------------------------------------------------------------- */ 573 574struct REGISTER_DUMP { 575 int addr; 576 char *name; 577}; 578 579struct REGISTER_DUMP d1[] = { 580 { 0x007e, "autodetect" }, 581 { 0x0023, "C_AD_BITS " }, 582 { 0x0038, "ADD_BITS " }, 583 { 0x003e, "CIB_BITS " }, 584 { 0x0057, "ERROR_RATE" }, 585}; 586 587static int 588autodetect_stereo(bktr_ptr_t client) 589{ 590 struct msp3400c *msp = (struct msp3400c*)client->msp3400c_info; 591 int val; 592 int newstereo = msp->stereo; 593 int newnicam = msp->nicam_on; 594 int update = 0; 595 596 switch (msp->mode) { 597 case MSP_MODE_FM_TERRA: 598 val = msp3400c_read(client, I2C_MSP3400C_DFP, 0x18); 599 if (val > 32767) 600 val -= 65536; 601 dprintk("msp34xx: stereo detect register: %d\n",val); 602 603 if (val > 4096) { 604 newstereo = VIDEO_SOUND_STEREO | VIDEO_SOUND_MONO; 605 } else if (val < -4096) { 606 newstereo = VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2; 607 } else { 608 newstereo = VIDEO_SOUND_MONO; 609 } 610 newnicam = 0; 611 break; 612 case MSP_MODE_FM_NICAM1: 613 case MSP_MODE_FM_NICAM2: 614 case MSP_MODE_AM_NICAM: 615 val = msp3400c_read(client, I2C_MSP3400C_DEM, 0x23); 616 dprintk("msp34xx: nicam sync=%d, mode=%d\n",val & 1, (val & 0x1e) >> 1); 617 618 if (val & 1) { 619 /* nicam synced */ 620 switch ((val & 0x1e) >> 1) { 621 case 0: 622 case 8: 623 newstereo = VIDEO_SOUND_STEREO; 624 break; 625 case 1: 626 case 9: 627 newstereo = VIDEO_SOUND_MONO 628 | VIDEO_SOUND_LANG1; 629 break; 630 case 2: 631 case 10: 632 newstereo = VIDEO_SOUND_MONO 633 | VIDEO_SOUND_LANG1 634 | VIDEO_SOUND_LANG2; 635 break; 636 default: 637 newstereo = VIDEO_SOUND_MONO; 638 break; 639 } 640 newnicam=1; 641 } else { 642 newnicam = 0; 643 newstereo = VIDEO_SOUND_MONO; 644 } 645 break; 646 case MSP_MODE_BTSC: 647 val = msp3400c_read(client, I2C_MSP3400C_DEM, 0x200); 648 dprintk("msp3410: status=0x%x (pri=%s, sec=%s, %s%s%s)\n", 649 val, 650 (val & 0x0002) ? "no" : "yes", 651 (val & 0x0004) ? "no" : "yes", 652 (val & 0x0040) ? "stereo" : "mono", 653 (val & 0x0080) ? ", nicam 2nd mono" : "", 654 (val & 0x0100) ? ", bilingual/SAP" : ""); 655 newstereo = VIDEO_SOUND_MONO; 656 if (val & 0x0040) newstereo |= VIDEO_SOUND_STEREO; 657 if (val & 0x0100) newstereo |= VIDEO_SOUND_LANG1; 658 break; 659 } 660 if (newstereo != msp->stereo) { 661 update = 1; 662 dprintk("msp34xx: watch: stereo %d => %d\n", 663 msp->stereo,newstereo); 664 msp->stereo = newstereo; 665 } 666 if (newnicam != msp->nicam_on) { 667 update = 1; 668 dprintk("msp34xx: watch: nicam %d => %d\n", 669 msp->nicam_on,newnicam); 670 msp->nicam_on = newnicam; 671 } 672 return update; 673} 674 675/* 676 * A kernel thread for msp3400 control -- we don't want to block the 677 * in the ioctl while doing the sound carrier & stereo detect 678 */ 679 680/* stereo/multilang monitoring */ 681static void watch_stereo(bktr_ptr_t client) 682{ 683 struct msp3400c *msp = (struct msp3400c*)client->msp3400c_info; 684 685 if (autodetect_stereo(client)) { 686 if (msp->stereo & VIDEO_SOUND_STEREO) 687 msp3400c_setstereo(client,VIDEO_SOUND_STEREO); 688 else if (msp->stereo & VIDEO_SOUND_LANG1) 689 msp3400c_setstereo(client,VIDEO_SOUND_LANG1); 690 else 691 msp3400c_setstereo(client,VIDEO_SOUND_MONO); 692 } 693 if (client->stereo_once) 694 msp->watch_stereo = 0; 695 696} 697 698static void msp3400c_thread(void *data) 699{ 700 bktr_ptr_t client = data; 701 struct msp3400c *msp = (struct msp3400c*)client->msp3400c_info; 702 703 struct CARRIER_DETECT *cd; 704 int count, max1,max2,val1,val2, val,this; 705 706 dprintk("msp3400: thread started\n"); 707 708 mtx_lock(&Giant); 709 for (;;) { 710 if (msp->rmmod) 711 goto done; 712 tsleep(msp->kthread, PRIBIO, "idle", 0); 713 if (msp->rmmod) 714 goto done; 715 if (msp->halt_thread) { 716 msp->watch_stereo = 0; 717 msp->halt_thread = 0; 718 continue; 719 } 720 721 if (VIDEO_MODE_RADIO == msp->norm || 722 MSP_MODE_EXTERN == msp->mode) 723 continue; /* nothing to do */ 724 725 msp->active = 1; 726 727 if (msp->watch_stereo) { 728 watch_stereo(client); 729 msp->active = 0; 730 continue; 731 } 732 733 /* some time for the tuner to sync */ 734 tsleep(msp->kthread, PRIBIO, "tuner sync", hz/2); 735 736 restart: 737 if (VIDEO_MODE_RADIO == msp->norm || 738 MSP_MODE_EXTERN == msp->mode) 739 continue; /* nothing to do */ 740 msp->restart = 0; 741 msp3400c_setvolume(client, msp->muted, 0, 0); 742 msp3400c_setmode(client, MSP_MODE_AM_DETECT /* +1 */ ); 743 val1 = val2 = 0; 744 max1 = max2 = -1; 745 msp->watch_stereo = 0; 746 747 /* carrier detect pass #1 -- main carrier */ 748 cd = carrier_detect_main; count = CARRIER_COUNT(carrier_detect_main); 749 750 if (client->amsound && (msp->norm == VIDEO_MODE_SECAM)) { 751 /* autodetect doesn't work well with AM ... */ 752 max1 = 3; 753 count = 0; 754 dprintk("msp3400: AM sound override\n"); 755 } 756 757 for (this = 0; this < count; this++) { 758 msp3400c_setcarrier(client, cd[this].cdo,cd[this].cdo); 759 760 tsleep(msp->kthread, PRIBIO, "carrier detect", hz/100); 761 762 if (msp->restart) 763 msp->restart = 0; 764 765 val = msp3400c_read(client, I2C_MSP3400C_DFP, 0x1b); 766 if (val > 32767) 767 val -= 65536; 768 if (val1 < val) 769 val1 = val, max1 = this; 770 dprintk("msp3400: carrier1 val: %5d / %s\n", val,cd[this].name); 771 } 772 773 /* carrier detect pass #2 -- second (stereo) carrier */ 774 switch (max1) { 775 case 1: /* 5.5 */ 776 cd = carrier_detect_55; count = CARRIER_COUNT(carrier_detect_55); 777 break; 778 case 3: /* 6.5 */ 779 cd = carrier_detect_65; count = CARRIER_COUNT(carrier_detect_65); 780 break; 781 case 0: /* 4.5 */ 782 case 2: /* 6.0 */ 783 default: 784 cd = NULL; count = 0; 785 break; 786 } 787 788 if (client->amsound && (msp->norm == VIDEO_MODE_SECAM)) { 789 /* autodetect doesn't work well with AM ... */ 790 cd = NULL; count = 0; max2 = 0; 791 } 792 for (this = 0; this < count; this++) { 793 msp3400c_setcarrier(client, cd[this].cdo,cd[this].cdo); 794 795 tsleep(msp->kthread, PRIBIO, "carrier detection", hz/100); 796 if (msp->restart) 797 goto restart; 798 799 val = msp3400c_read(client, I2C_MSP3400C_DFP, 0x1b); 800 if (val > 32767) 801 val -= 65536; 802 if (val2 < val) 803 val2 = val, max2 = this; 804 dprintk("msp3400: carrier2 val: %5d / %s\n", val,cd[this].name); 805 } 806 807 /* programm the msp3400 according to the results */ 808 msp->main = carrier_detect_main[max1].cdo; 809 switch (max1) { 810 case 1: /* 5.5 */ 811 if (max2 == 0) { 812 /* B/G FM-stereo */ 813 msp->second = carrier_detect_55[max2].cdo; 814 msp3400c_setmode(client, MSP_MODE_FM_TERRA); 815 msp->nicam_on = 0; 816 /* XXX why mono? this probably can do stereo... - Alex*/ 817 msp3400c_setstereo(client, VIDEO_SOUND_MONO); 818 msp->watch_stereo = 1; 819 } else if (max2 == 1 && msp->nicam) { 820 /* B/G NICAM */ 821 msp->second = carrier_detect_55[max2].cdo; 822 msp3400c_setmode(client, MSP_MODE_FM_NICAM1); 823 msp->nicam_on = 1; 824 msp3400c_setcarrier(client, msp->second, msp->main); 825 msp->watch_stereo = 1; 826 } else { 827 goto no_second; 828 } 829 break; 830 case 2: /* 6.0 */ 831 /* PAL I NICAM */ 832 msp->second = MSP_CARRIER(6.552); 833 msp3400c_setmode(client, MSP_MODE_FM_NICAM2); 834 msp->nicam_on = 1; 835 msp3400c_setcarrier(client, msp->second, msp->main); 836 msp->watch_stereo = 1; 837 break; 838 case 3: /* 6.5 */ 839 if (max2 == 1 || max2 == 2) { 840 /* D/K FM-stereo */ 841 msp->second = carrier_detect_65[max2].cdo; 842 msp3400c_setmode(client, MSP_MODE_FM_TERRA); 843 msp->nicam_on = 0; 844 msp3400c_setstereo(client, VIDEO_SOUND_MONO); 845 msp->watch_stereo = 1; 846 } else if (max2 == 0 && 847 msp->norm == VIDEO_MODE_SECAM) { 848 /* L NICAM or AM-mono */ 849 msp->second = carrier_detect_65[max2].cdo; 850 msp3400c_setmode(client, MSP_MODE_AM_NICAM); 851 msp->nicam_on = 0; 852 msp3400c_setstereo(client, VIDEO_SOUND_MONO); 853 msp3400c_setcarrier(client, msp->second, msp->main); 854 /* volume prescale for SCART (AM mono input) */ 855 msp3400c_write(client,I2C_MSP3400C_DFP, 0x000d, 0x1900); 856 msp->watch_stereo = 1; 857 } else if (max2 == 0 && msp->nicam) { 858 /* D/K NICAM */ 859 msp->second = carrier_detect_65[max2].cdo; 860 msp3400c_setmode(client, MSP_MODE_FM_NICAM1); 861 msp->nicam_on = 1; 862 msp3400c_setcarrier(client, msp->second, msp->main); 863 msp->watch_stereo = 1; 864 } else { 865 goto no_second; 866 } 867 break; 868 case 0: /* 4.5 */ 869 default: 870 no_second: 871 msp->second = carrier_detect_main[max1].cdo; 872 msp3400c_setmode(client, MSP_MODE_FM_TERRA); 873 msp->nicam_on = 0; 874 msp3400c_setcarrier(client, msp->second, msp->main); 875 msp->stereo = VIDEO_SOUND_MONO; 876 msp3400c_setstereo(client, VIDEO_SOUND_MONO); 877 break; 878 } 879 880 if (msp->watch_stereo) 881 watch_stereo(client); 882 883 /* unmute + restore dfp registers */ 884 msp3400c_setvolume(client, msp->muted, msp->left, msp->right); 885 msp3400c_restore_dfp(client); 886 887 if (bootverbose) 888 msp3400c_print_mode(msp); 889 890 msp->active = 0; 891 } 892 893done: 894 dprintk("msp3400: thread: exit\n"); 895 msp->active = 0; 896 897 msp->kthread = NULL; 898 wakeup(&msp->kthread); 899 mtx_unlock(&Giant); 900 901 kproc_exit(0); 902} 903 904/* ----------------------------------------------------------------------- */ 905/* this one uses the automatic sound standard detection of newer */ 906/* msp34xx chip versions */ 907 908static struct MODES { 909 int retval; 910 int main, second; 911 char *name; 912} modelist[] = { 913 { 0x0000, 0, 0, "ERROR" }, 914 { 0x0001, 0, 0, "autodetect start" }, 915 { 0x0002, MSP_CARRIER(4.5), MSP_CARRIER(4.72), "4.5/4.72 M Dual FM-Stereo" }, 916 { 0x0003, MSP_CARRIER(5.5), MSP_CARRIER(5.7421875), "5.5/5.74 B/G Dual FM-Stereo" }, 917 { 0x0004, MSP_CARRIER(6.5), MSP_CARRIER(6.2578125), "6.5/6.25 D/K1 Dual FM-Stereo" }, 918 { 0x0005, MSP_CARRIER(6.5), MSP_CARRIER(6.7421875), "6.5/6.74 D/K2 Dual FM-Stereo" }, 919 { 0x0006, MSP_CARRIER(6.5), MSP_CARRIER(6.5), "6.5 D/K FM-Mono (HDEV3)" }, 920 { 0x0008, MSP_CARRIER(5.5), MSP_CARRIER(5.85), "5.5/5.85 B/G NICAM FM" }, 921 { 0x0009, MSP_CARRIER(6.5), MSP_CARRIER(5.85), "6.5/5.85 L NICAM AM" }, 922 { 0x000a, MSP_CARRIER(6.0), MSP_CARRIER(6.55), "6.0/6.55 I NICAM FM" }, 923 { 0x000b, MSP_CARRIER(6.5), MSP_CARRIER(5.85), "6.5/5.85 D/K NICAM FM" }, 924 { 0x000c, MSP_CARRIER(6.5), MSP_CARRIER(5.85), "6.5/5.85 D/K NICAM FM (HDEV2)" }, 925 { 0x0020, MSP_CARRIER(4.5), MSP_CARRIER(4.5), "4.5 M BTSC-Stereo" }, 926 { 0x0021, MSP_CARRIER(4.5), MSP_CARRIER(4.5), "4.5 M BTSC-Mono + SAP" }, 927 { 0x0030, MSP_CARRIER(4.5), MSP_CARRIER(4.5), "4.5 M EIA-J Japan Stereo" }, 928 { 0x0040, MSP_CARRIER(10.7), MSP_CARRIER(10.7), "10.7 FM-Stereo Radio" }, 929 { 0x0050, MSP_CARRIER(6.5), MSP_CARRIER(6.5), "6.5 SAT-Mono" }, 930 { 0x0051, MSP_CARRIER(7.02), MSP_CARRIER(7.20), "7.02/7.20 SAT-Stereo" }, 931 { 0x0060, MSP_CARRIER(7.2), MSP_CARRIER(7.2), "7.2 SAT ADR" }, 932 { -1, 0, 0, NULL }, /* EOF */ 933}; 934 935static void msp3410d_thread(void *data) 936{ 937 bktr_ptr_t client = data; 938 struct msp3400c *msp = (struct msp3400c*)client->msp3400c_info; 939 int mode,val,i,std; 940 int timo = 0; 941 942 dprintk("msp3410: thread started\n"); 943 944 mtx_lock(&Giant); 945 for (;;) { 946 if (msp->rmmod) 947 goto done; 948 if (!msp->watch_stereo) 949 timo = 0; 950 else 951 timo = 10*hz; 952 tsleep(msp->kthread, PRIBIO, "idle", timo); 953 if (msp->rmmod) 954 goto done; 955 if (msp->halt_thread) { 956 msp->watch_stereo = 0; 957 msp->halt_thread = 0; 958 dprintk("msp3410: thread halted\n"); 959 continue; 960 } 961 962 if (msp->mode == MSP_MODE_EXTERN) 963 continue; 964 965 msp->active = 1; 966 967 if (msp->watch_stereo) { 968 watch_stereo(client); 969 msp->active = 0; 970 continue; 971 } 972 973 /* some time for the tuner to sync */ 974 tsleep(msp->kthread, PRIBIO, "tuner sync", hz/2); 975 976 restart: 977 if (msp->mode == MSP_MODE_EXTERN) 978 continue; 979 msp->restart = 0; 980 msp->watch_stereo = 0; 981 982 /* put into sane state (and mute) */ 983 msp3400c_reset(client); 984 985 /* start autodetect */ 986 switch (msp->norm) { 987 case VIDEO_MODE_PAL: 988 mode = 0x1003; 989 std = 1; 990 break; 991 case VIDEO_MODE_NTSC: /* BTSC */ 992 mode = 0x2003; 993 std = 0x0020; 994 break; 995 case VIDEO_MODE_SECAM: 996 mode = 0x0003; 997 std = 1; 998 break; 999 case VIDEO_MODE_RADIO: 1000 mode = 0x0003; 1001 std = 0x0040; 1002 break; 1003 default: 1004 mode = 0x0003; 1005 std = 1; 1006 break; 1007 } 1008 msp3400c_write(client, I2C_MSP3400C_DEM, 0x30, mode); 1009 msp3400c_write(client, I2C_MSP3400C_DEM, 0x20, std); 1010 1011 if (bootverbose) { 1012 int i; 1013 for (i = 0; modelist[i].name != NULL; i++) 1014 if (modelist[i].retval == std) 1015 break; 1016 dprintk("msp3410: setting mode: %s (0x%04x)\n", 1017 modelist[i].name ? modelist[i].name : "unknown",std); 1018 } 1019 1020 if (std != 1) { 1021 /* programmed some specific mode */ 1022 val = std; 1023 } else { 1024 /* triggered autodetect */ 1025 for (;;) { 1026 tsleep(msp->kthread, PRIBIO, "autodetection", hz/10); 1027 if (msp->restart) 1028 goto restart; 1029 1030 /* check results */ 1031 val = msp3400c_read(client, I2C_MSP3400C_DEM, 0x7e); 1032 if (val < 0x07ff) 1033 break; 1034 dprintk("msp3410: detection still in progress\n"); 1035 } 1036 } 1037 for (i = 0; modelist[i].name != NULL; i++) 1038 if (modelist[i].retval == val) 1039 break; 1040 dprintk("msp3410: current mode: %s (0x%04x)\n", 1041 modelist[i].name ? modelist[i].name : "unknown", 1042 val); 1043 msp->main = modelist[i].main; 1044 msp->second = modelist[i].second; 1045 1046 if (client->amsound && (msp->norm == VIDEO_MODE_SECAM) && (val != 0x0009)) { 1047 /* autodetection has failed, let backup */ 1048 dprintk("msp3410: autodetection failed, switching to backup mode: %s (0x%04x)\n", 1049 modelist[8].name ? modelist[8].name : "unknown",val); 1050 val = 0x0009; 1051 msp3400c_write(client, I2C_MSP3400C_DEM, 0x20, val); 1052 } 1053 1054 /* set various prescales */ 1055 msp3400c_write(client, I2C_MSP3400C_DFP, 0x0d, 0x1900); /* scart */ 1056 msp3400c_write(client, I2C_MSP3400C_DFP, 0x0e, 0x2403); /* FM */ 1057 msp3400c_write(client, I2C_MSP3400C_DFP, 0x10, 0x5a00); /* nicam */ 1058 1059 /* set stereo */ 1060 switch (val) { 1061 case 0x0008: /* B/G NICAM */ 1062 case 0x000a: /* I NICAM */ 1063 if (val == 0x0008) 1064 msp->mode = MSP_MODE_FM_NICAM1; 1065 else 1066 msp->mode = MSP_MODE_FM_NICAM2; 1067 /* just turn on stereo */ 1068 msp->stereo = VIDEO_SOUND_STEREO; 1069 msp->nicam_on = 1; 1070 msp->watch_stereo = 1; 1071 msp3400c_setstereo(client,VIDEO_SOUND_STEREO); 1072 break; 1073 case 0x0009: 1074 msp->mode = MSP_MODE_AM_NICAM; 1075 msp->stereo = VIDEO_SOUND_MONO; 1076 msp->nicam_on = 1; 1077 msp3400c_setstereo(client,VIDEO_SOUND_MONO); 1078 msp->watch_stereo = 1; 1079 break; 1080 case 0x0020: /* BTSC */ 1081 /* just turn on stereo */ 1082 msp->mode = MSP_MODE_BTSC; 1083 msp->stereo = VIDEO_SOUND_STEREO; 1084 msp->nicam_on = 0; 1085 msp->watch_stereo = 1; 1086 msp3400c_setstereo(client,VIDEO_SOUND_STEREO); 1087 break; 1088 case 0x0040: /* FM radio */ 1089 msp->mode = MSP_MODE_FM_RADIO; 1090 msp->stereo = VIDEO_SOUND_STEREO; 1091 msp->nicam_on = 0; 1092 msp->watch_stereo = 0; 1093 /* scart routing */ 1094 msp3400c_set_scart(client,SCART_IN2,0); 1095 msp3400c_write(client,I2C_MSP3400C_DFP, 0x08, 0x0220); 1096 msp3400c_write(client,I2C_MSP3400C_DFP, 0x09, 0x0220); 1097 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0b, 0x0220); 1098 break; 1099 case 0x0003: 1100 msp->mode = MSP_MODE_FM_TERRA; 1101 msp->stereo = VIDEO_SOUND_STEREO; 1102 msp->nicam_on = 0; 1103 msp->watch_stereo = 1; 1104 msp3400c_setstereo(client,VIDEO_SOUND_STEREO); 1105 break; 1106 } 1107 1108 if (msp->watch_stereo) 1109 watch_stereo(client); 1110 1111 /* unmute + restore dfp registers */ 1112 msp3400c_setbass(client, msp->bass); 1113 msp3400c_settreble(client, msp->treble); 1114 msp3400c_setvolume(client, msp->muted, msp->left, msp->right); 1115 msp3400c_restore_dfp(client); 1116 1117 msp->active = 0; 1118 } 1119 1120done: 1121 dprintk("msp3410: thread: exit\n"); 1122 msp->active = 0; 1123 1124 msp->kthread = NULL; 1125 wakeup(&msp->kthread); 1126 mtx_unlock(&Giant); 1127 1128 kproc_exit(0); 1129} 1130 1131int msp_attach(bktr_ptr_t bktr) 1132{ 1133 struct msp3400c *msp; 1134 int rev1,rev2,i; 1135 int err; 1136 char buf[20]; 1137 1138 msp = (struct msp3400c *) malloc(sizeof(struct msp3400c), M_DEVBUF, M_NOWAIT); 1139 if (msp == NULL) 1140 return ENOMEM; 1141 bktr->msp3400c_info = msp; 1142 1143 memset(msp,0,sizeof(struct msp3400c)); 1144 msp->left = 65535; 1145 msp->right = 65535; 1146 msp->bass = 32768; 1147 msp->treble = 32768; 1148 msp->input = -1; 1149 1150 for (i = 0; i < DFP_COUNT; i++) 1151 msp->dfp_regs[i] = -1; 1152 1153 msp3400c_reset(bktr); 1154 1155 rev1 = msp3400c_read(bktr, I2C_MSP3400C_DFP, 0x1e); 1156 if (-1 != rev1) 1157 rev2 = msp3400c_read(bktr, I2C_MSP3400C_DFP, 0x1f); 1158 if ((-1 == rev1) || (0 == rev1 && 0 == rev2)) { 1159 free(msp, M_DEVBUF); 1160 bktr->msp3400c_info = NULL; 1161 printf("%s: msp3400: error while reading chip version\n", bktr_name(bktr)); 1162 return ENXIO; 1163 } 1164 1165#if 0 1166 /* this will turn on a 1kHz beep - might be useful for debugging... */ 1167 msp3400c_write(bktr,I2C_MSP3400C_DFP, 0x0014, 0x1040); 1168#endif 1169 1170 sprintf(buf,"MSP34%02d%c-%c%d", 1171 (rev2>>8)&0xff, (rev1&0xff)+'@', ((rev1>>8)&0xff)+'@', rev2&0x1f); 1172 msp->nicam = (((rev2>>8)&0xff) != 00) ? 1 : 0; 1173 1174 if (bktr->mspsimple == -1) { 1175 /* default mode */ 1176 /* msp->simple = (((rev2>>8)&0xff) == 0) ? 0 : 1; */ 1177 msp->simple = ((rev1&0xff)+'@' > 'C'); 1178 } else { 1179 /* use kenv value */ 1180 msp->simple = bktr->mspsimple; 1181 } 1182 1183 /* hello world :-) */ 1184 if (bootverbose) { 1185 printf("%s: msp34xx: init: chip=%s", bktr_name(bktr), buf); 1186 if (msp->nicam) 1187 printf(", has NICAM support"); 1188 printf("\n"); 1189 } 1190 1191 /* startup control thread */ 1192 err = kproc_create(msp->simple ? msp3410d_thread : msp3400c_thread, 1193 bktr, &msp->kthread, (RFFDG | RFPROC), 0, 1194 "%s_msp34xx_thread", bktr->bktr_xname); 1195 if (err) { 1196 printf("%s: Error returned by kproc_create: %d", bktr_name(bktr), err); 1197 free(msp, M_DEVBUF); 1198 bktr->msp3400c_info = NULL; 1199 return ENXIO; 1200 } 1201 wakeup(msp->kthread); 1202 1203 /* done */ 1204 return 0; 1205} 1206 1207int msp_detach(bktr_ptr_t client) 1208{ 1209 struct msp3400c *msp = (struct msp3400c*)client->msp3400c_info; 1210 1211 /* shutdown control thread */ 1212 if (msp->kthread) 1213 { 1214 /* XXX mutex lock required */ 1215 mtx_lock(&Giant); 1216 msp->rmmod = 1; 1217 msp->watch_stereo = 0; 1218 wakeup(msp->kthread); 1219 1220 while (msp->kthread) 1221 tsleep(&msp->kthread, PRIBIO, "wait for kthread", hz/10); 1222 mtx_unlock(&Giant); 1223 } 1224 1225 if (client->msp3400c_info != NULL) { 1226 free(client->msp3400c_info, M_DEVBUF); 1227 client->msp3400c_info = NULL; 1228 } 1229 1230 msp3400c_reset(client); 1231 1232 return 0; 1233} 1234 1235void msp_wake_thread(bktr_ptr_t client) 1236{ 1237 struct msp3400c *msp = (struct msp3400c*)client->msp3400c_info; 1238 1239 msp3400c_setvolume(client,msp->muted,0,0); 1240 msp->watch_stereo=0; 1241 if (msp->active) 1242 msp->restart = 1; 1243 wakeup(msp->kthread); 1244} 1245 1246void msp_halt_thread(bktr_ptr_t client) 1247{ 1248 struct msp3400c *msp = (struct msp3400c*)client->msp3400c_info; 1249 1250 msp3400c_setvolume(client,msp->muted,0,0); 1251 if (msp->active) 1252 msp->restart = 1; 1253 msp->halt_thread = 1; 1254 wakeup(msp->kthread); 1255} 1256#endif /* BKTR_NEW_MSP34XX_DRIVER */ 1257