msp34xx.c revision 118819
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 118819 2003-08-12 09:45:34Z alex $ 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 allways 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#include <machine/bus.h> /* required by bktr_reg.h */ 89 90#include <machine/ioctl_meteor.h> 91#include <machine/ioctl_bt848.h> /* extensions to ioctl_meteor.h */ 92#include <dev/bktr/bktr_reg.h> 93#include <dev/bktr/bktr_tuner.h> 94#include <dev/bktr/bktr_audio.h> 95#include <dev/bktr/bktr_core.h> 96 97#define VIDEO_MODE_PAL 0 98#define VIDEO_MODE_NTSC 1 99#define VIDEO_MODE_SECAM 2 100#define VIDEO_MODE_AUTO 3 101 102#define VIDEO_SOUND_MONO 1 103#define VIDEO_SOUND_STEREO 2 104#define VIDEO_SOUND_LANG1 4 105#define VIDEO_SOUND_LANG2 8 106 107#define DFP_COUNT 0x41 108static const int bl_dfp[] = { 109 0x00, 0x01, 0x02, 0x03, 0x06, 0x08, 0x09, 0x0a, 110 0x0b, 0x0d, 0x0e, 0x10 111}; 112 113struct msp3400c { 114 int simple; 115 int nicam; 116 int mode; 117 int norm; 118 int stereo; 119 int nicam_on; 120 int acb; 121 int main, second; /* sound carrier */ 122 int input; 123 124 int muted; 125 int left, right; /* volume */ 126 int bass, treble; 127 128 /* shadow register set */ 129 int dfp_regs[DFP_COUNT]; 130 131 /* thread */ 132 struct proc *kthread; 133 char *threaddesc; 134 135 int active,restart,rmmod; 136 137 int watch_stereo; 138 int halt_thread; 139}; 140 141#define VIDEO_MODE_RADIO 16 /* norm magic for radio mode */ 142 143/* ---------------------------------------------------------------------- */ 144 145#define dprintk(...) do { \ 146 if (bootverbose) { \ 147 printf("%s: ", bktr_name(client)); \ 148 printf(__VA_ARGS__); \ 149 } \ 150} while (0) 151 152/* ---------------------------------------------------------------------- */ 153 154#define I2C_MSP3400C 0x80 155#define I2C_MSP3400C_DEM 0x10 156#define I2C_MSP3400C_DFP 0x12 157 158/* ----------------------------------------------------------------------- */ 159/* functions for talking to the MSP3400C Sound processor */ 160 161static int msp3400c_reset(bktr_ptr_t client) 162{ 163 /* use our own which handles config(8) options */ 164 msp_dpl_reset(client, client->msp_addr); 165 166 return 0; 167} 168 169static int 170msp3400c_read(bktr_ptr_t client, int dev, int addr) 171{ 172 /* use our own */ 173 return(msp_dpl_read(client, client->msp_addr, dev, addr)); 174} 175 176static int 177msp3400c_write(bktr_ptr_t client, int dev, int addr, int val) 178{ 179 /* use our own */ 180 msp_dpl_write(client, client->msp_addr, dev, addr, val); 181 182 return(0); 183} 184 185/* ------------------------------------------------------------------------ */ 186 187/* This macro is allowed for *constants* only, gcc must calculate it 188 at compile time. Remember -- no floats in kernel mode */ 189#define MSP_CARRIER(freq) ((int)((float)(freq/18.432)*(1<<24))) 190 191#define MSP_MODE_AM_DETECT 0 192#define MSP_MODE_FM_RADIO 2 193#define MSP_MODE_FM_TERRA 3 194#define MSP_MODE_FM_SAT 4 195#define MSP_MODE_FM_NICAM1 5 196#define MSP_MODE_FM_NICAM2 6 197#define MSP_MODE_AM_NICAM 7 198#define MSP_MODE_BTSC 8 199#define MSP_MODE_EXTERN 9 200 201static struct MSP_INIT_DATA_DEM { 202 int fir1[6]; 203 int fir2[6]; 204 int cdo1; 205 int cdo2; 206 int ad_cv; 207 int mode_reg; 208 int dfp_src; 209 int dfp_matrix; 210} msp_init_data[] = { 211 /* AM (for carrier detect / msp3400) */ 212 { { 75, 19, 36, 35, 39, 40 }, { 75, 19, 36, 35, 39, 40 }, 213 MSP_CARRIER(5.5), MSP_CARRIER(5.5), 214 0x00d0, 0x0500, 0x0020, 0x3000}, 215 216 /* AM (for carrier detect / msp3410) */ 217 { { -1, -1, -8, 2, 59, 126 }, { -1, -1, -8, 2, 59, 126 }, 218 MSP_CARRIER(5.5), MSP_CARRIER(5.5), 219 0x00d0, 0x0100, 0x0020, 0x3000}, 220 221 /* FM Radio */ 222 { { -8, -8, 4, 6, 78, 107 }, { -8, -8, 4, 6, 78, 107 }, 223 MSP_CARRIER(10.7), MSP_CARRIER(10.7), 224 0x00d0, 0x0480, 0x0020, 0x3000 }, 225 226 /* Terrestial FM-mono + FM-stereo */ 227 { { 3, 18, 27, 48, 66, 72 }, { 3, 18, 27, 48, 66, 72 }, 228 MSP_CARRIER(5.5), MSP_CARRIER(5.5), 229 0x00d0, 0x0480, 0x0030, 0x3000}, 230 231 /* Sat FM-mono */ 232 { { 1, 9, 14, 24, 33, 37 }, { 3, 18, 27, 48, 66, 72 }, 233 MSP_CARRIER(6.5), MSP_CARRIER(6.5), 234 0x00c6, 0x0480, 0x0000, 0x3000}, 235 236 /* NICAM/FM -- B/G (5.5/5.85), D/K (6.5/5.85) */ 237 { { -2, -8, -10, 10, 50, 86 }, { 3, 18, 27, 48, 66, 72 }, 238 MSP_CARRIER(5.5), MSP_CARRIER(5.5), 239 0x00d0, 0x0040, 0x0120, 0x3000}, 240 241 /* NICAM/FM -- I (6.0/6.552) */ 242 { { 2, 4, -6, -4, 40, 94 }, { 3, 18, 27, 48, 66, 72 }, 243 MSP_CARRIER(6.0), MSP_CARRIER(6.0), 244 0x00d0, 0x0040, 0x0120, 0x3000}, 245 246 /* NICAM/AM -- L (6.5/5.85) */ 247 { { -2, -8, -10, 10, 50, 86 }, { -4, -12, -9, 23, 79, 126 }, 248 MSP_CARRIER(6.5), MSP_CARRIER(6.5), 249 0x00c6, 0x0140, 0x0120, 0x7c03}, 250}; 251 252struct CARRIER_DETECT { 253 int cdo; 254 char *name; 255}; 256 257static struct CARRIER_DETECT carrier_detect_main[] = { 258 /* main carrier */ 259 { MSP_CARRIER(4.5), "4.5 NTSC" }, 260 { MSP_CARRIER(5.5), "5.5 PAL B/G" }, 261 { MSP_CARRIER(6.0), "6.0 PAL I" }, 262 { MSP_CARRIER(6.5), "6.5 PAL D/K + SAT + SECAM" } 263}; 264 265static struct CARRIER_DETECT carrier_detect_55[] = { 266 /* PAL B/G */ 267 { MSP_CARRIER(5.7421875), "5.742 PAL B/G FM-stereo" }, 268 { MSP_CARRIER(5.85), "5.85 PAL B/G NICAM" } 269}; 270 271static struct CARRIER_DETECT carrier_detect_65[] = { 272 /* PAL SAT / SECAM */ 273 { MSP_CARRIER(5.85), "5.85 PAL D/K + SECAM NICAM" }, 274 { MSP_CARRIER(6.2578125), "6.25 PAL D/K1 FM-stereo" }, 275 { MSP_CARRIER(6.7421875), "6.74 PAL D/K2 FM-stereo" }, 276 { MSP_CARRIER(7.02), "7.02 PAL SAT FM-stereo s/b" }, 277 { MSP_CARRIER(7.20), "7.20 PAL SAT FM-stereo s" }, 278 { MSP_CARRIER(7.38), "7.38 PAL SAT FM-stereo b" }, 279}; 280 281#define CARRIER_COUNT(x) (sizeof(x)/sizeof(struct CARRIER_DETECT)) 282 283/* ----------------------------------------------------------------------- */ 284 285#define SCART_MASK 0 286#define SCART_IN1 1 287#define SCART_IN2 2 288#define SCART_IN1_DA 3 289#define SCART_IN2_DA 4 290#define SCART_IN3 5 291#define SCART_IN4 6 292#define SCART_MONO 7 293#define SCART_MUTE 8 294 295static int scarts[3][9] = { 296 /* MASK IN1 IN2 IN1_DA IN2_DA IN3 IN4 MONO MUTE */ 297 { 0x0320, 0x0000, 0x0200, -1, -1, 0x0300, 0x0020, 0x0100, 0x0320 }, 298 { 0x0c40, 0x0440, 0x0400, 0x0c00, 0x0040, 0x0000, 0x0840, 0x0800, 0x0c40 }, 299 { 0x3080, 0x1000, 0x1080, 0x0000, 0x0080, 0x2080, 0x3080, 0x2000, 0x3000 }, 300}; 301 302static char *scart_names[] = { 303 "mask", "in1", "in2", "in1 da", "in2 da", "in3", "in4", "mono", "mute" 304}; 305 306static void 307msp3400c_set_scart(bktr_ptr_t client, int in, int out) 308{ 309 struct msp3400c *msp = client->msp3400c_info; 310 311 if (-1 == scarts[out][in]) 312 return; 313 314 dprintk("msp34xx: scart switch: %s => %d\n",scart_names[in],out); 315 msp->acb &= ~scarts[out][SCART_MASK]; 316 msp->acb |= scarts[out][in]; 317 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0013, msp->acb); 318} 319 320/* ------------------------------------------------------------------------ */ 321 322static void msp3400c_setcarrier(bktr_ptr_t client, int cdo1, int cdo2) 323{ 324 msp3400c_write(client,I2C_MSP3400C_DEM, 0x0093, cdo1 & 0xfff); 325 msp3400c_write(client,I2C_MSP3400C_DEM, 0x009b, cdo1 >> 12); 326 msp3400c_write(client,I2C_MSP3400C_DEM, 0x00a3, cdo2 & 0xfff); 327 msp3400c_write(client,I2C_MSP3400C_DEM, 0x00ab, cdo2 >> 12); 328 msp3400c_write(client,I2C_MSP3400C_DEM, 0x0056, 0); /*LOAD_REG_1/2*/ 329} 330 331static void msp3400c_setvolume(bktr_ptr_t client, 332 int muted, int left, int right) 333{ 334 int vol = 0,val = 0,balance = 0; 335 336 if (!muted) { 337 vol = (left > right) ? left : right; 338 val = (vol * 0x73 / 65535) << 8; 339 } 340 if (vol > 0) { 341 balance = ((right-left) * 127) / vol; 342 } 343 344 dprintk("msp34xx: setvolume: mute=%s %d:%d v=0x%02x b=0x%02x\n", 345 muted ? "on" : "off", left, right, val>>8, balance); 346 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0000, val); /* loudspeaker */ 347 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0006, val); /* headphones */ 348 /* scart - on/off only */ 349 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0007, val ? 0x4000 : 0); 350 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0001, balance << 8); 351} 352 353static void msp3400c_setbass(bktr_ptr_t client, int bass) 354{ 355 int val = ((bass-32768) * 0x60 / 65535) << 8; 356 357 dprintk("msp34xx: setbass: %d 0x%02x\n",bass, val>>8); 358 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0002, val); /* loudspeaker */ 359} 360 361static void msp3400c_settreble(bktr_ptr_t client, int treble) 362{ 363 int val = ((treble-32768) * 0x60 / 65535) << 8; 364 365 dprintk("msp34xx: settreble: %d 0x%02x\n",treble, val>>8); 366 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0003, val); /* loudspeaker */ 367} 368 369static void msp3400c_setmode(bktr_ptr_t client, int type) 370{ 371 struct msp3400c *msp = client->msp3400c_info; 372 int i; 373 374 dprintk("msp3400: setmode: %d\n",type); 375 msp->mode = type; 376 msp->stereo = VIDEO_SOUND_MONO; 377 378 msp3400c_write(client,I2C_MSP3400C_DEM, 0x00bb, /* ad_cv */ 379 msp_init_data[type].ad_cv); 380 381 for (i = 5; i >= 0; i--) /* fir 1 */ 382 msp3400c_write(client,I2C_MSP3400C_DEM, 0x0001, 383 msp_init_data[type].fir1[i]); 384 385 msp3400c_write(client,I2C_MSP3400C_DEM, 0x0005, 0x0004); /* fir 2 */ 386 msp3400c_write(client,I2C_MSP3400C_DEM, 0x0005, 0x0040); 387 msp3400c_write(client,I2C_MSP3400C_DEM, 0x0005, 0x0000); 388 for (i = 5; i >= 0; i--) 389 msp3400c_write(client,I2C_MSP3400C_DEM, 0x0005, 390 msp_init_data[type].fir2[i]); 391 392 msp3400c_write(client,I2C_MSP3400C_DEM, 0x0083, /* MODE_REG */ 393 msp_init_data[type].mode_reg); 394 395 msp3400c_setcarrier(client, msp_init_data[type].cdo1, 396 msp_init_data[type].cdo2); 397 398 msp3400c_write(client,I2C_MSP3400C_DEM, 0x0056, 0); /*LOAD_REG_1/2*/ 399 400 if (client->dolby) { 401 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0008, 402 0x0520); /* I2S1 */ 403 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0009, 404 0x0620); /* I2S2 */ 405 msp3400c_write(client,I2C_MSP3400C_DFP, 0x000b, 406 msp_init_data[type].dfp_src); 407 } else { 408 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0008, 409 msp_init_data[type].dfp_src); 410 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0009, 411 msp_init_data[type].dfp_src); 412 msp3400c_write(client,I2C_MSP3400C_DFP, 0x000b, 413 msp_init_data[type].dfp_src); 414 } 415 msp3400c_write(client,I2C_MSP3400C_DFP, 0x000a, 416 msp_init_data[type].dfp_src); 417 msp3400c_write(client,I2C_MSP3400C_DFP, 0x000e, 418 msp_init_data[type].dfp_matrix); 419 420 if (msp->nicam) { 421 /* nicam prescale */ 422 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0010, 0x5a00); /* was: 0x3000 */ 423 } 424} 425 426/* turn on/off nicam + stereo */ 427static void msp3400c_setstereo(bktr_ptr_t client, int mode) 428{ 429 static char *strmode[] = { "0", "mono", "stereo", "3", 430 "lang1", "5", "6", "7", "lang2" }; 431 struct msp3400c *msp = client->msp3400c_info; 432 int nicam=0; /* channel source: FM/AM or nicam */ 433 int src=0; 434 435 /* switch demodulator */ 436 switch (msp->mode) { 437 case MSP_MODE_FM_TERRA: 438 dprintk("msp3400: FM setstereo: %s\n",strmode[mode]); 439 msp3400c_setcarrier(client,msp->second,msp->main); 440 switch (mode) { 441 case VIDEO_SOUND_STEREO: 442 msp3400c_write(client,I2C_MSP3400C_DFP, 0x000e, 0x3001); 443 break; 444 case VIDEO_SOUND_MONO: 445 case VIDEO_SOUND_LANG1: 446 case VIDEO_SOUND_LANG2: 447 msp3400c_write(client,I2C_MSP3400C_DFP, 0x000e, 0x3000); 448 break; 449 } 450 break; 451 case MSP_MODE_FM_SAT: 452 dprintk("msp3400: SAT setstereo: %s\n",strmode[mode]); 453 switch (mode) { 454 case VIDEO_SOUND_MONO: 455 msp3400c_setcarrier(client, MSP_CARRIER(6.5), MSP_CARRIER(6.5)); 456 break; 457 case VIDEO_SOUND_STEREO: 458 msp3400c_setcarrier(client, MSP_CARRIER(7.2), MSP_CARRIER(7.02)); 459 break; 460 case VIDEO_SOUND_LANG1: 461 msp3400c_setcarrier(client, MSP_CARRIER(7.38), MSP_CARRIER(7.02)); 462 break; 463 case VIDEO_SOUND_LANG2: 464 msp3400c_setcarrier(client, MSP_CARRIER(7.38), MSP_CARRIER(7.02)); 465 break; 466 } 467 break; 468 case MSP_MODE_FM_NICAM1: 469 case MSP_MODE_FM_NICAM2: 470 case MSP_MODE_AM_NICAM: 471 dprintk("msp3400: NICAM setstereo: %s\n",strmode[mode]); 472 msp3400c_setcarrier(client,msp->second,msp->main); 473 if (msp->nicam_on) 474 nicam=0x0100; 475 break; 476 case MSP_MODE_BTSC: 477 dprintk("msp3400: BTSC setstereo: %s\n",strmode[mode]); 478 nicam=0x0300; 479 break; 480 case MSP_MODE_EXTERN: 481 dprintk("msp3400: extern setstereo: %s\n",strmode[mode]); 482 nicam = 0x0200; 483 break; 484 case MSP_MODE_FM_RADIO: 485 dprintk("msp3400: FM-Radio setstereo: %s\n",strmode[mode]); 486 break; 487 default: 488 dprintk("msp3400: mono setstereo\n"); 489 return; 490 } 491 492 /* switch audio */ 493 switch (mode) { 494 case VIDEO_SOUND_STEREO: 495 src = 0x0020 | nicam; 496#if 0 497 /* spatial effect */ 498 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0005,0x4000); 499#endif 500 break; 501 case VIDEO_SOUND_MONO: 502 if (msp->mode == MSP_MODE_AM_NICAM) { 503 dprintk("msp3400: switching to AM mono\n"); 504 /* AM mono decoding is handled by tuner, not MSP chip */ 505 /* SCART switching control register */ 506 msp3400c_set_scart(client,SCART_MONO,0); 507 src = 0x0200; 508 break; 509 } 510 case VIDEO_SOUND_LANG1: 511 src = 0x0000 | nicam; 512 break; 513 case VIDEO_SOUND_LANG2: 514 src = 0x0010 | nicam; 515 break; 516 } 517 dprintk("msp3400: setstereo final source/matrix = 0x%x\n", src); 518 519 if (client->dolby) { 520 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0008,0x0520); 521 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0009,0x0620); 522 msp3400c_write(client,I2C_MSP3400C_DFP, 0x000a,src); 523 msp3400c_write(client,I2C_MSP3400C_DFP, 0x000b,src); 524 } else { 525 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0008,src); 526 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0009,src); 527 msp3400c_write(client,I2C_MSP3400C_DFP, 0x000a,src); 528 msp3400c_write(client,I2C_MSP3400C_DFP, 0x000b,src); 529 } 530} 531 532static void 533msp3400c_print_mode(struct msp3400c *msp) 534{ 535 if (msp->main == msp->second) { 536 printf("bktr: msp3400: mono sound carrier: %d.%03d MHz\n", 537 msp->main/910000,(msp->main/910)%1000); 538 } else { 539 printf("bktr: msp3400: main sound carrier: %d.%03d MHz\n", 540 msp->main/910000,(msp->main/910)%1000); 541 } 542 if (msp->mode == MSP_MODE_FM_NICAM1 || 543 msp->mode == MSP_MODE_FM_NICAM2) 544 printf("bktr: msp3400: NICAM/FM carrier : %d.%03d MHz\n", 545 msp->second/910000,(msp->second/910)%1000); 546 if (msp->mode == MSP_MODE_AM_NICAM) 547 printf("bktr: msp3400: NICAM/AM carrier : %d.%03d MHz\n", 548 msp->second/910000,(msp->second/910)%1000); 549 if (msp->mode == MSP_MODE_FM_TERRA && 550 msp->main != msp->second) { 551 printf("bktr: msp3400: FM-stereo carrier : %d.%03d MHz\n", 552 msp->second/910000,(msp->second/910)%1000); 553 } 554} 555 556static void 557msp3400c_restore_dfp(bktr_ptr_t client) 558{ 559 struct msp3400c *msp = (struct msp3400c*)client->msp3400c_info; 560 int i; 561 562 for (i = 0; i < DFP_COUNT; i++) { 563 if (-1 == msp->dfp_regs[i]) 564 continue; 565 msp3400c_write(client,I2C_MSP3400C_DFP, i, msp->dfp_regs[i]); 566 } 567} 568 569/* ----------------------------------------------------------------------- */ 570 571struct REGISTER_DUMP { 572 int addr; 573 char *name; 574}; 575 576struct REGISTER_DUMP d1[] = { 577 { 0x007e, "autodetect" }, 578 { 0x0023, "C_AD_BITS " }, 579 { 0x0038, "ADD_BITS " }, 580 { 0x003e, "CIB_BITS " }, 581 { 0x0057, "ERROR_RATE" }, 582}; 583 584static int 585autodetect_stereo(bktr_ptr_t client) 586{ 587 struct msp3400c *msp = (struct msp3400c*)client->msp3400c_info; 588 int val; 589 int newstereo = msp->stereo; 590 int newnicam = msp->nicam_on; 591 int update = 0; 592 593 switch (msp->mode) { 594 case MSP_MODE_FM_TERRA: 595 val = msp3400c_read(client, I2C_MSP3400C_DFP, 0x18); 596 if (val > 32767) 597 val -= 65536; 598 dprintk("msp34xx: stereo detect register: %d\n",val); 599 600 if (val > 4096) { 601 newstereo = VIDEO_SOUND_STEREO | VIDEO_SOUND_MONO; 602 } else if (val < -4096) { 603 newstereo = VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2; 604 } else { 605 newstereo = VIDEO_SOUND_MONO; 606 } 607 newnicam = 0; 608 break; 609 case MSP_MODE_FM_NICAM1: 610 case MSP_MODE_FM_NICAM2: 611 case MSP_MODE_AM_NICAM: 612 val = msp3400c_read(client, I2C_MSP3400C_DEM, 0x23); 613 dprintk("msp34xx: nicam sync=%d, mode=%d\n",val & 1, (val & 0x1e) >> 1); 614 615 if (val & 1) { 616 /* nicam synced */ 617 switch ((val & 0x1e) >> 1) { 618 case 0: 619 case 8: 620 newstereo = VIDEO_SOUND_STEREO; 621 break; 622 case 1: 623 case 9: 624 newstereo = VIDEO_SOUND_MONO 625 | VIDEO_SOUND_LANG1; 626 break; 627 case 2: 628 case 10: 629 newstereo = VIDEO_SOUND_MONO 630 | VIDEO_SOUND_LANG1 631 | VIDEO_SOUND_LANG2; 632 break; 633 default: 634 newstereo = VIDEO_SOUND_MONO; 635 break; 636 } 637 newnicam=1; 638 } else { 639 newnicam = 0; 640 newstereo = VIDEO_SOUND_MONO; 641 } 642 break; 643 case MSP_MODE_BTSC: 644 val = msp3400c_read(client, I2C_MSP3400C_DEM, 0x200); 645 dprintk("msp3410: status=0x%x (pri=%s, sec=%s, %s%s%s)\n", 646 val, 647 (val & 0x0002) ? "no" : "yes", 648 (val & 0x0004) ? "no" : "yes", 649 (val & 0x0040) ? "stereo" : "mono", 650 (val & 0x0080) ? ", nicam 2nd mono" : "", 651 (val & 0x0100) ? ", bilingual/SAP" : ""); 652 newstereo = VIDEO_SOUND_MONO; 653 if (val & 0x0040) newstereo |= VIDEO_SOUND_STEREO; 654 if (val & 0x0100) newstereo |= VIDEO_SOUND_LANG1; 655 break; 656 } 657 if (newstereo != msp->stereo) { 658 update = 1; 659 dprintk("msp34xx: watch: stereo %d => %d\n", 660 msp->stereo,newstereo); 661 msp->stereo = newstereo; 662 } 663 if (newnicam != msp->nicam_on) { 664 update = 1; 665 dprintk("msp34xx: watch: nicam %d => %d\n", 666 msp->nicam_on,newnicam); 667 msp->nicam_on = newnicam; 668 } 669 return update; 670} 671 672/* 673 * A kernel thread for msp3400 control -- we don't want to block the 674 * in the ioctl while doing the sound carrier & stereo detect 675 */ 676 677/* stereo/multilang monitoring */ 678static void watch_stereo(bktr_ptr_t client) 679{ 680 struct msp3400c *msp = (struct msp3400c*)client->msp3400c_info; 681 682 if (autodetect_stereo(client)) { 683 if (msp->stereo & VIDEO_SOUND_STEREO) 684 msp3400c_setstereo(client,VIDEO_SOUND_STEREO); 685 else if (msp->stereo & VIDEO_SOUND_LANG1) 686 msp3400c_setstereo(client,VIDEO_SOUND_LANG1); 687 else 688 msp3400c_setstereo(client,VIDEO_SOUND_MONO); 689 } 690 if (client->stereo_once) 691 msp->watch_stereo = 0; 692 693} 694 695static void msp3400c_thread(void *data) 696{ 697 bktr_ptr_t client = data; 698 struct msp3400c *msp = (struct msp3400c*)client->msp3400c_info; 699 700 struct CARRIER_DETECT *cd; 701 int count, max1,max2,val1,val2, val,this; 702 703 dprintk("msp3400: thread started\n"); 704 705 for (;;) { 706 if (msp->rmmod) 707 goto done; 708 tsleep(msp->kthread, PRIBIO, "idle", 0); 709 if (msp->rmmod) 710 goto done; 711 if (msp->halt_thread) { 712 msp->watch_stereo = 0; 713 msp->halt_thread = 0; 714 continue; 715 } 716 717 if (VIDEO_MODE_RADIO == msp->norm || 718 MSP_MODE_EXTERN == msp->mode) 719 continue; /* nothing to do */ 720 721 msp->active = 1; 722 723 if (msp->watch_stereo) { 724 watch_stereo(client); 725 msp->active = 0; 726 continue; 727 } 728 729 /* some time for the tuner to sync */ 730 tsleep(msp->kthread, PRIBIO, "tuner sync", hz/2); 731 732 restart: 733 if (VIDEO_MODE_RADIO == msp->norm || 734 MSP_MODE_EXTERN == msp->mode) 735 continue; /* nothing to do */ 736 msp->restart = 0; 737 msp3400c_setvolume(client, msp->muted, 0, 0); 738 msp3400c_setmode(client, MSP_MODE_AM_DETECT /* +1 */ ); 739 val1 = val2 = 0; 740 max1 = max2 = -1; 741 msp->watch_stereo = 0; 742 743 /* carrier detect pass #1 -- main carrier */ 744 cd = carrier_detect_main; count = CARRIER_COUNT(carrier_detect_main); 745 746 if (client->amsound && (msp->norm == VIDEO_MODE_SECAM)) { 747 /* autodetect doesn't work well with AM ... */ 748 max1 = 3; 749 count = 0; 750 dprintk("msp3400: AM sound override\n"); 751 } 752 753 for (this = 0; this < count; this++) { 754 msp3400c_setcarrier(client, cd[this].cdo,cd[this].cdo); 755 756 tsleep(msp->kthread, PRIBIO, "carrier detect", hz/100); 757 758 if (msp->restart) 759 msp->restart = 0; 760 761 val = msp3400c_read(client, I2C_MSP3400C_DFP, 0x1b); 762 if (val > 32767) 763 val -= 65536; 764 if (val1 < val) 765 val1 = val, max1 = this; 766 dprintk("msp3400: carrier1 val: %5d / %s\n", val,cd[this].name); 767 } 768 769 /* carrier detect pass #2 -- second (stereo) carrier */ 770 switch (max1) { 771 case 1: /* 5.5 */ 772 cd = carrier_detect_55; count = CARRIER_COUNT(carrier_detect_55); 773 break; 774 case 3: /* 6.5 */ 775 cd = carrier_detect_65; count = CARRIER_COUNT(carrier_detect_65); 776 break; 777 case 0: /* 4.5 */ 778 case 2: /* 6.0 */ 779 default: 780 cd = NULL; count = 0; 781 break; 782 } 783 784 if (client->amsound && (msp->norm == VIDEO_MODE_SECAM)) { 785 /* autodetect doesn't work well with AM ... */ 786 cd = NULL; count = 0; max2 = 0; 787 } 788 for (this = 0; this < count; this++) { 789 msp3400c_setcarrier(client, cd[this].cdo,cd[this].cdo); 790 791 tsleep(msp->kthread, PRIBIO, "carrier detection", hz/100); 792 if (msp->restart) 793 goto restart; 794 795 val = msp3400c_read(client, I2C_MSP3400C_DFP, 0x1b); 796 if (val > 32767) 797 val -= 65536; 798 if (val2 < val) 799 val2 = val, max2 = this; 800 dprintk("msp3400: carrier2 val: %5d / %s\n", val,cd[this].name); 801 } 802 803 /* programm the msp3400 according to the results */ 804 msp->main = carrier_detect_main[max1].cdo; 805 switch (max1) { 806 case 1: /* 5.5 */ 807 if (max2 == 0) { 808 /* B/G FM-stereo */ 809 msp->second = carrier_detect_55[max2].cdo; 810 msp3400c_setmode(client, MSP_MODE_FM_TERRA); 811 msp->nicam_on = 0; 812 /* XXX why mono? this probably can do stereo... - Alex*/ 813 msp3400c_setstereo(client, VIDEO_SOUND_MONO); 814 msp->watch_stereo = 1; 815 } else if (max2 == 1 && msp->nicam) { 816 /* B/G NICAM */ 817 msp->second = carrier_detect_55[max2].cdo; 818 msp3400c_setmode(client, MSP_MODE_FM_NICAM1); 819 msp->nicam_on = 1; 820 msp3400c_setcarrier(client, msp->second, msp->main); 821 msp->watch_stereo = 1; 822 } else { 823 goto no_second; 824 } 825 break; 826 case 2: /* 6.0 */ 827 /* PAL I NICAM */ 828 msp->second = MSP_CARRIER(6.552); 829 msp3400c_setmode(client, MSP_MODE_FM_NICAM2); 830 msp->nicam_on = 1; 831 msp3400c_setcarrier(client, msp->second, msp->main); 832 msp->watch_stereo = 1; 833 break; 834 case 3: /* 6.5 */ 835 if (max2 == 1 || max2 == 2) { 836 /* D/K FM-stereo */ 837 msp->second = carrier_detect_65[max2].cdo; 838 msp3400c_setmode(client, MSP_MODE_FM_TERRA); 839 msp->nicam_on = 0; 840 msp3400c_setstereo(client, VIDEO_SOUND_MONO); 841 msp->watch_stereo = 1; 842 } else if (max2 == 0 && 843 msp->norm == VIDEO_MODE_SECAM) { 844 /* L NICAM or AM-mono */ 845 msp->second = carrier_detect_65[max2].cdo; 846 msp3400c_setmode(client, MSP_MODE_AM_NICAM); 847 msp->nicam_on = 0; 848 msp3400c_setstereo(client, VIDEO_SOUND_MONO); 849 msp3400c_setcarrier(client, msp->second, msp->main); 850 /* volume prescale for SCART (AM mono input) */ 851 msp3400c_write(client,I2C_MSP3400C_DFP, 0x000d, 0x1900); 852 msp->watch_stereo = 1; 853 } else if (max2 == 0 && msp->nicam) { 854 /* D/K NICAM */ 855 msp->second = carrier_detect_65[max2].cdo; 856 msp3400c_setmode(client, MSP_MODE_FM_NICAM1); 857 msp->nicam_on = 1; 858 msp3400c_setcarrier(client, msp->second, msp->main); 859 msp->watch_stereo = 1; 860 } else { 861 goto no_second; 862 } 863 break; 864 case 0: /* 4.5 */ 865 default: 866 no_second: 867 msp->second = carrier_detect_main[max1].cdo; 868 msp3400c_setmode(client, MSP_MODE_FM_TERRA); 869 msp->nicam_on = 0; 870 msp3400c_setcarrier(client, msp->second, msp->main); 871 msp->stereo = VIDEO_SOUND_MONO; 872 msp3400c_setstereo(client, VIDEO_SOUND_MONO); 873 break; 874 } 875 876 if (msp->watch_stereo) 877 watch_stereo(client); 878 879 /* unmute + restore dfp registers */ 880 msp3400c_setvolume(client, msp->muted, msp->left, msp->right); 881 msp3400c_restore_dfp(client); 882 883 if (bootverbose) 884 msp3400c_print_mode(msp); 885 886 msp->active = 0; 887 } 888 889done: 890 dprintk("msp3400: thread: exit\n"); 891 msp->active = 0; 892 893 msp->kthread = NULL; 894 wakeup(&msp->kthread); 895 896 kthread_exit(0); 897} 898 899/* ----------------------------------------------------------------------- */ 900/* this one uses the automatic sound standard detection of newer */ 901/* msp34xx chip versions */ 902 903static struct MODES { 904 int retval; 905 int main, second; 906 char *name; 907} modelist[] = { 908 { 0x0000, 0, 0, "ERROR" }, 909 { 0x0001, 0, 0, "autodetect start" }, 910 { 0x0002, MSP_CARRIER(4.5), MSP_CARRIER(4.72), "4.5/4.72 M Dual FM-Stereo" }, 911 { 0x0003, MSP_CARRIER(5.5), MSP_CARRIER(5.7421875), "5.5/5.74 B/G Dual FM-Stereo" }, 912 { 0x0004, MSP_CARRIER(6.5), MSP_CARRIER(6.2578125), "6.5/6.25 D/K1 Dual FM-Stereo" }, 913 { 0x0005, MSP_CARRIER(6.5), MSP_CARRIER(6.7421875), "6.5/6.74 D/K2 Dual FM-Stereo" }, 914 { 0x0006, MSP_CARRIER(6.5), MSP_CARRIER(6.5), "6.5 D/K FM-Mono (HDEV3)" }, 915 { 0x0008, MSP_CARRIER(5.5), MSP_CARRIER(5.85), "5.5/5.85 B/G NICAM FM" }, 916 { 0x0009, MSP_CARRIER(6.5), MSP_CARRIER(5.85), "6.5/5.85 L NICAM AM" }, 917 { 0x000a, MSP_CARRIER(6.0), MSP_CARRIER(6.55), "6.0/6.55 I NICAM FM" }, 918 { 0x000b, MSP_CARRIER(6.5), MSP_CARRIER(5.85), "6.5/5.85 D/K NICAM FM" }, 919 { 0x000c, MSP_CARRIER(6.5), MSP_CARRIER(5.85), "6.5/5.85 D/K NICAM FM (HDEV2)" }, 920 { 0x0020, MSP_CARRIER(4.5), MSP_CARRIER(4.5), "4.5 M BTSC-Stereo" }, 921 { 0x0021, MSP_CARRIER(4.5), MSP_CARRIER(4.5), "4.5 M BTSC-Mono + SAP" }, 922 { 0x0030, MSP_CARRIER(4.5), MSP_CARRIER(4.5), "4.5 M EIA-J Japan Stereo" }, 923 { 0x0040, MSP_CARRIER(10.7), MSP_CARRIER(10.7), "10.7 FM-Stereo Radio" }, 924 { 0x0050, MSP_CARRIER(6.5), MSP_CARRIER(6.5), "6.5 SAT-Mono" }, 925 { 0x0051, MSP_CARRIER(7.02), MSP_CARRIER(7.20), "7.02/7.20 SAT-Stereo" }, 926 { 0x0060, MSP_CARRIER(7.2), MSP_CARRIER(7.2), "7.2 SAT ADR" }, 927 { -1, 0, 0, NULL }, /* EOF */ 928}; 929 930static void msp3410d_thread(void *data) 931{ 932 bktr_ptr_t client = data; 933 struct msp3400c *msp = (struct msp3400c*)client->msp3400c_info; 934 int mode,val,i,std; 935 int timo = 0; 936 937 dprintk("msp3410: thread started\n"); 938 939 for (;;) { 940 if (msp->rmmod) 941 goto done; 942 if (!msp->watch_stereo) 943 timo = 0; 944 else 945 timo = 10*hz; 946 tsleep(msp->kthread, PRIBIO, "idle", timo); 947 if (msp->rmmod) 948 goto done; 949 if (msp->halt_thread) { 950 msp->watch_stereo = 0; 951 msp->halt_thread = 0; 952 dprintk("msp3410: thread halted\n"); 953 continue; 954 } 955 956 if (msp->mode == MSP_MODE_EXTERN) 957 continue; 958 959 msp->active = 1; 960 961 if (msp->watch_stereo) { 962 watch_stereo(client); 963 msp->active = 0; 964 continue; 965 } 966 967 /* some time for the tuner to sync */ 968 tsleep(msp->kthread, PRIBIO, "tuner sync", hz/2); 969 970 restart: 971 if (msp->mode == MSP_MODE_EXTERN) 972 continue; 973 msp->restart = 0; 974 msp->watch_stereo = 0; 975 976 /* put into sane state (and mute) */ 977 msp3400c_reset(client); 978 979 /* start autodetect */ 980 switch (msp->norm) { 981 case VIDEO_MODE_PAL: 982 mode = 0x1003; 983 std = 1; 984 break; 985 case VIDEO_MODE_NTSC: /* BTSC */ 986 mode = 0x2003; 987 std = 0x0020; 988 break; 989 case VIDEO_MODE_SECAM: 990 mode = 0x0003; 991 std = 1; 992 break; 993 case VIDEO_MODE_RADIO: 994 mode = 0x0003; 995 std = 0x0040; 996 break; 997 default: 998 mode = 0x0003; 999 std = 1; 1000 break; 1001 } 1002 msp3400c_write(client, I2C_MSP3400C_DEM, 0x30, mode); 1003 msp3400c_write(client, I2C_MSP3400C_DEM, 0x20, std); 1004 1005 if (bootverbose) { 1006 int i; 1007 for (i = 0; modelist[i].name != NULL; i++) 1008 if (modelist[i].retval == std) 1009 break; 1010 dprintk("msp3410: setting mode: %s (0x%04x)\n", 1011 modelist[i].name ? modelist[i].name : "unknown",std); 1012 } 1013 1014 if (std != 1) { 1015 /* programmed some specific mode */ 1016 val = std; 1017 } else { 1018 /* triggered autodetect */ 1019 for (;;) { 1020 tsleep(msp->kthread, PRIBIO, "autodetection", hz/10); 1021 if (msp->restart) 1022 goto restart; 1023 1024 /* check results */ 1025 val = msp3400c_read(client, I2C_MSP3400C_DEM, 0x7e); 1026 if (val < 0x07ff) 1027 break; 1028 dprintk("msp3410: detection still in progress\n"); 1029 } 1030 } 1031 for (i = 0; modelist[i].name != NULL; i++) 1032 if (modelist[i].retval == val) 1033 break; 1034 dprintk("msp3410: current mode: %s (0x%04x)\n", 1035 modelist[i].name ? modelist[i].name : "unknown", 1036 val); 1037 msp->main = modelist[i].main; 1038 msp->second = modelist[i].second; 1039 1040 if (client->amsound && (msp->norm == VIDEO_MODE_SECAM) && (val != 0x0009)) { 1041 /* autodetection has failed, let backup */ 1042 dprintk("msp3410: autodetection failed, switching to backup mode: %s (0x%04x)\n", 1043 modelist[8].name ? modelist[8].name : "unknown",val); 1044 val = 0x0009; 1045 msp3400c_write(client, I2C_MSP3400C_DEM, 0x20, val); 1046 } 1047 1048 /* set various prescales */ 1049 msp3400c_write(client, I2C_MSP3400C_DFP, 0x0d, 0x1900); /* scart */ 1050 msp3400c_write(client, I2C_MSP3400C_DFP, 0x0e, 0x2403); /* FM */ 1051 msp3400c_write(client, I2C_MSP3400C_DFP, 0x10, 0x5a00); /* nicam */ 1052 1053 /* set stereo */ 1054 switch (val) { 1055 case 0x0008: /* B/G NICAM */ 1056 case 0x000a: /* I NICAM */ 1057 if (val == 0x0008) 1058 msp->mode = MSP_MODE_FM_NICAM1; 1059 else 1060 msp->mode = MSP_MODE_FM_NICAM2; 1061 /* just turn on stereo */ 1062 msp->stereo = VIDEO_SOUND_STEREO; 1063 msp->nicam_on = 1; 1064 msp->watch_stereo = 1; 1065 msp3400c_setstereo(client,VIDEO_SOUND_STEREO); 1066 break; 1067 case 0x0009: 1068 msp->mode = MSP_MODE_AM_NICAM; 1069 msp->stereo = VIDEO_SOUND_MONO; 1070 msp->nicam_on = 1; 1071 msp3400c_setstereo(client,VIDEO_SOUND_MONO); 1072 msp->watch_stereo = 1; 1073 break; 1074 case 0x0020: /* BTSC */ 1075 /* just turn on stereo */ 1076 msp->mode = MSP_MODE_BTSC; 1077 msp->stereo = VIDEO_SOUND_STEREO; 1078 msp->nicam_on = 0; 1079 msp->watch_stereo = 1; 1080 msp3400c_setstereo(client,VIDEO_SOUND_STEREO); 1081 break; 1082 case 0x0040: /* FM radio */ 1083 msp->mode = MSP_MODE_FM_RADIO; 1084 msp->stereo = VIDEO_SOUND_STEREO; 1085 msp->nicam_on = 0; 1086 msp->watch_stereo = 0; 1087 /* scart routing */ 1088 msp3400c_set_scart(client,SCART_IN2,0); 1089 msp3400c_write(client,I2C_MSP3400C_DFP, 0x08, 0x0220); 1090 msp3400c_write(client,I2C_MSP3400C_DFP, 0x09, 0x0220); 1091 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0b, 0x0220); 1092 break; 1093 case 0x0003: 1094 msp->mode = MSP_MODE_FM_TERRA; 1095 msp->stereo = VIDEO_SOUND_STEREO; 1096 msp->nicam_on = 0; 1097 msp->watch_stereo = 1; 1098 msp3400c_setstereo(client,VIDEO_SOUND_STEREO); 1099 break; 1100 } 1101 1102 if (msp->watch_stereo) 1103 watch_stereo(client); 1104 1105 /* unmute + restore dfp registers */ 1106 msp3400c_setbass(client, msp->bass); 1107 msp3400c_settreble(client, msp->treble); 1108 msp3400c_setvolume(client, msp->muted, msp->left, msp->right); 1109 msp3400c_restore_dfp(client); 1110 1111 msp->active = 0; 1112 } 1113 1114done: 1115 dprintk("msp3410: thread: exit\n"); 1116 msp->active = 0; 1117 1118 msp->kthread = NULL; 1119 wakeup(&msp->kthread); 1120 1121 kthread_exit(0); 1122} 1123 1124int msp_attach(bktr_ptr_t bktr) 1125{ 1126 struct msp3400c *msp; 1127 int rev1,rev2,i; 1128 int err; 1129 char buf[20]; 1130 1131 msp = (struct msp3400c *) malloc(sizeof(struct msp3400c), M_DEVBUF, M_NOWAIT); 1132 if (msp == NULL) 1133 return ENOMEM; 1134 bktr->msp3400c_info = msp; 1135 1136 memset(msp,0,sizeof(struct msp3400c)); 1137 msp->left = 65535; 1138 msp->right = 65535; 1139 msp->bass = 32768; 1140 msp->treble = 32768; 1141 msp->input = -1; 1142 msp->threaddesc = malloc(15 * sizeof(char), M_DEVBUF, M_NOWAIT); 1143 if (msp->threaddesc == NULL) { 1144 free(msp, M_DEVBUF); 1145 return ENOMEM; 1146 } 1147 snprintf(msp->threaddesc, 14, "%s_msp34xx_thread", bktr->bktr_xname); 1148 1149 for (i = 0; i < DFP_COUNT; i++) 1150 msp->dfp_regs[i] = -1; 1151 1152 msp3400c_reset(bktr); 1153 1154 rev1 = msp3400c_read(bktr, I2C_MSP3400C_DFP, 0x1e); 1155 if (-1 != rev1) 1156 rev2 = msp3400c_read(bktr, I2C_MSP3400C_DFP, 0x1f); 1157 if ((-1 == rev1) || (0 == rev1 && 0 == rev2)) { 1158 free(msp->threaddesc, M_DEVBUF); 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 = kthread_create(msp->simple ? msp3410d_thread : msp3400c_thread, 1193 bktr, &msp->kthread, (RFFDG | RFPROC), 0, 1194 msp->threaddesc); 1195 if (err) { 1196 printf("%s: Error returned by kthread_create: %d", bktr_name(bktr), err); 1197 free(msp->threaddesc, M_DEVBUF); 1198 free(msp, M_DEVBUF); 1199 bktr->msp3400c_info = NULL; 1200 return ENXIO; 1201 } 1202 wakeup(msp->kthread); 1203 1204 /* done */ 1205 return 0; 1206} 1207 1208int msp_detach(bktr_ptr_t client) 1209{ 1210 struct msp3400c *msp = (struct msp3400c*)client->msp3400c_info; 1211 1212 /* shutdown control thread */ 1213 if (msp->kthread) 1214 { 1215 /* XXX mutex lock required */ 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 } 1223 1224 if (client->msp3400c_info != NULL) { 1225 free(client->msp3400c_info, M_DEVBUF); 1226 client->msp3400c_info = NULL; 1227 } 1228 1229 msp3400c_reset(client); 1230 1231 return 0; 1232} 1233 1234void msp_wake_thread(bktr_ptr_t client) 1235{ 1236 struct msp3400c *msp = (struct msp3400c*)client->msp3400c_info; 1237 1238 msp3400c_setvolume(client,msp->muted,0,0); 1239 msp->watch_stereo=0; 1240 if (msp->active) 1241 msp->restart = 1; 1242 wakeup(msp->kthread); 1243} 1244 1245void msp_halt_thread(bktr_ptr_t client) 1246{ 1247 struct msp3400c *msp = (struct msp3400c*)client->msp3400c_info; 1248 1249 msp3400c_setvolume(client,msp->muted,0,0); 1250 if (msp->active) 1251 msp->restart = 1; 1252 msp->halt_thread = 1; 1253 wakeup(msp->kthread); 1254} 1255#endif /* BKTR_NEW_MSP34XX_DRIVER */ 1256