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: src/sys/dev/bktr/msp34xx.c,v 1.5 2004/12/16 23:19:57 julian Exp 27 * $DragonFly: src/sys/dev/video/bktr/msp34xx.c,v 1.3 2005/03/12 11:35:27 corecode Exp $ 28 */ 29 30 /* 31 * programming the msp34* sound processor family 32 * 33 * (c) 1997-2001 Gerd Knorr <kraxel@bytesex.org> 34 * 35 * what works and what doesn't: 36 * 37 * AM-Mono 38 * Support for Hauppauge cards added (decoding handled by tuner) added by 39 * Frederic Crozat <fcrozat@mail.dotcom.fr> 40 * 41 * FM-Mono 42 * should work. The stereo modes are backward compatible to FM-mono, 43 * therefore FM-Mono should be allways available. 44 * 45 * FM-Stereo (B/G, used in germany) 46 * should work, with autodetect 47 * 48 * FM-Stereo (satellite) 49 * should work, no autodetect (i.e. default is mono, but you can 50 * switch to stereo -- untested) 51 * 52 * NICAM (B/G, L , used in UK, Scandinavia, Spain and France) 53 * should work, with autodetect. Support for NICAM was added by 54 * Pekka Pietikainen <pp@netppl.fi> 55 * 56 * 57 * TODO: 58 * - better SAT support 59 * 60 * 61 * 980623 Thomas Sailer (sailer@ife.ee.ethz.ch) 62 * using soundcore instead of OSS 63 * 64 * 65 * The FreeBSD modifications by Alexander Langer <alex@FreeBSD.org> 66 * are in the public domain. Please contact me (Alex) and not Gerd for 67 * any problems you encounter under FreeBSD. 68 * 69 * FreeBSD TODO: 70 * - mutex handling (currently not mp-safe) 71 * - the various options here as loader tunables or compile time or whatever 72 * - how does the new dolby flag work with the current dpl_* stuff? 73 * Maybe it's just enough to set the dolby flag to 1 and it works. 74 * As I don't have a dolby card myself, I can't test it, though. 75 */ 76 77 #include "opt_bktr.h" /* Include any kernel config options */ 78 #ifdef BKTR_NEW_MSP34XX_DRIVER /* file only needed for new driver */ 79 80 #include <sys/param.h> 81 #include <sys/systm.h> 82 #include <sys/kernel.h> 83 #include <sys/vnode.h> 84 85 #include <sys/unistd.h> 86 #include <sys/kthread.h> 87 #include <sys/malloc.h> 88 89 #ifdef BKTR_USE_FREEBSD_SMBUS 90 #include <sys/bus.h> /* required by bktr_reg.h */ 91 #endif 92 93 #include <machine/bus.h> /* required by bktr_reg.h */ 94 95 #include <dev/video/meteor/ioctl_meteor.h> 96 #include <dev/video/bktr/ioctl_bt848.h> /* extensions to ioctl_meteor.h */ 97 #include <dev/video/bktr/bktr_reg.h> 98 #include <dev/video/bktr/bktr_tuner.h> 99 #include <dev/video/bktr/bktr_audio.h> 100 #include <dev/video/bktr/bktr_core.h> 101 102 #define VIDEO_MODE_PAL 0 103 #define VIDEO_MODE_NTSC 1 104 #define VIDEO_MODE_SECAM 2 105 #define VIDEO_MODE_AUTO 3 106 107 #define VIDEO_SOUND_MONO 1 108 #define VIDEO_SOUND_STEREO 2 109 #define VIDEO_SOUND_LANG1 4 110 #define VIDEO_SOUND_LANG2 8 111 112 #define DFP_COUNT 0x41 113 static const int bl_dfp[] = { 114 0x00, 0x01, 0x02, 0x03, 0x06, 0x08, 0x09, 0x0a, 115 0x0b, 0x0d, 0x0e, 0x10 116 }; 117 118 struct msp3400c { 119 int simple; 120 int nicam; 121 int mode; 122 int norm; 123 int stereo; 124 int nicam_on; 125 int acb; 126 int main, second; /* sound carrier */ 127 int input; 128 129 int muted; 130 int left, right; /* volume */ 131 int bass, treble; 132 133 /* shadow register set */ 134 int dfp_regs[DFP_COUNT]; 135 136 /* thread */ 137 struct thread *kthread; 138 char *threaddesc; 139 140 int active,restart,rmmod; 141 142 int watch_stereo; 143 int halt_thread; 144 }; 145 146 #define VIDEO_MODE_RADIO 16 /* norm magic for radio mode */ 147 148 /* ---------------------------------------------------------------------- */ 149 150 #define dprintk(args) do { \ 151 if (bootverbose) { \ 152 printf("%s: ", bktr_name(client)); \ 153 printf args; \ 154 } \ 155 } while (0) 156 157 /* ---------------------------------------------------------------------- */ 158 159 #define I2C_MSP3400C 0x80 160 #define I2C_MSP3400C_DEM 0x10 161 #define I2C_MSP3400C_DFP 0x12 162 163 /* ----------------------------------------------------------------------- */ 164 /* functions for talking to the MSP3400C Sound processor */ 165 166 static int msp3400c_reset(bktr_ptr_t client) 167 { 168 /* use our own which handles config(8) options */ 169 msp_dpl_reset(client, client->msp_addr); 170 171 return 0; 172 } 173 174 static int 175 msp3400c_read(bktr_ptr_t client, int dev, int addr) 176 { 177 /* use our own */ 178 return(msp_dpl_read(client, client->msp_addr, dev, addr)); 179 } 180 181 static int 182 msp3400c_write(bktr_ptr_t client, int dev, int addr, int val) 183 { 184 /* use our own */ 185 msp_dpl_write(client, client->msp_addr, dev, addr, val); 186 187 return(0); 188 } 189 190 /* ------------------------------------------------------------------------ */ 191 192 /* This macro is allowed for *constants* only, gcc must calculate it 193 at compile time. Remember -- no floats in kernel mode */ 194 #define MSP_CARRIER(freq) ((int)((float)(freq/18.432)*(1<<24))) 195 196 #define MSP_MODE_AM_DETECT 0 197 #define MSP_MODE_FM_RADIO 2 198 #define MSP_MODE_FM_TERRA 3 199 #define MSP_MODE_FM_SAT 4 200 #define MSP_MODE_FM_NICAM1 5 201 #define MSP_MODE_FM_NICAM2 6 202 #define MSP_MODE_AM_NICAM 7 203 #define MSP_MODE_BTSC 8 204 #define MSP_MODE_EXTERN 9 205 206 static struct MSP_INIT_DATA_DEM { 207 int fir1[6]; 208 int fir2[6]; 209 int cdo1; 210 int cdo2; 211 int ad_cv; 212 int mode_reg; 213 int dfp_src; 214 int dfp_matrix; 215 } msp_init_data[] = { 216 /* AM (for carrier detect / msp3400) */ 217 { { 75, 19, 36, 35, 39, 40 }, { 75, 19, 36, 35, 39, 40 }, 218 MSP_CARRIER(5.5), MSP_CARRIER(5.5), 219 0x00d0, 0x0500, 0x0020, 0x3000}, 220 221 /* AM (for carrier detect / msp3410) */ 222 { { -1, -1, -8, 2, 59, 126 }, { -1, -1, -8, 2, 59, 126 }, 223 MSP_CARRIER(5.5), MSP_CARRIER(5.5), 224 0x00d0, 0x0100, 0x0020, 0x3000}, 225 226 /* FM Radio */ 227 { { -8, -8, 4, 6, 78, 107 }, { -8, -8, 4, 6, 78, 107 }, 228 MSP_CARRIER(10.7), MSP_CARRIER(10.7), 229 0x00d0, 0x0480, 0x0020, 0x3000 }, 230 231 /* Terrestial FM-mono + FM-stereo */ 232 { { 3, 18, 27, 48, 66, 72 }, { 3, 18, 27, 48, 66, 72 }, 233 MSP_CARRIER(5.5), MSP_CARRIER(5.5), 234 0x00d0, 0x0480, 0x0030, 0x3000}, 235 236 /* Sat FM-mono */ 237 { { 1, 9, 14, 24, 33, 37 }, { 3, 18, 27, 48, 66, 72 }, 238 MSP_CARRIER(6.5), MSP_CARRIER(6.5), 239 0x00c6, 0x0480, 0x0000, 0x3000}, 240 241 /* NICAM/FM -- B/G (5.5/5.85), D/K (6.5/5.85) */ 242 { { -2, -8, -10, 10, 50, 86 }, { 3, 18, 27, 48, 66, 72 }, 243 MSP_CARRIER(5.5), MSP_CARRIER(5.5), 244 0x00d0, 0x0040, 0x0120, 0x3000}, 245 246 /* NICAM/FM -- I (6.0/6.552) */ 247 { { 2, 4, -6, -4, 40, 94 }, { 3, 18, 27, 48, 66, 72 }, 248 MSP_CARRIER(6.0), MSP_CARRIER(6.0), 249 0x00d0, 0x0040, 0x0120, 0x3000}, 250 251 /* NICAM/AM -- L (6.5/5.85) */ 252 { { -2, -8, -10, 10, 50, 86 }, { -4, -12, -9, 23, 79, 126 }, 253 MSP_CARRIER(6.5), MSP_CARRIER(6.5), 254 0x00c6, 0x0140, 0x0120, 0x7c03}, 255 }; 256 257 struct CARRIER_DETECT { 258 int cdo; 259 char *name; 260 }; 261 262 static struct CARRIER_DETECT carrier_detect_main[] = { 263 /* main carrier */ 264 { MSP_CARRIER(4.5), "4.5 NTSC" }, 265 { MSP_CARRIER(5.5), "5.5 PAL B/G" }, 266 { MSP_CARRIER(6.0), "6.0 PAL I" }, 267 { MSP_CARRIER(6.5), "6.5 PAL D/K + SAT + SECAM" } 268 }; 269 270 static struct CARRIER_DETECT carrier_detect_55[] = { 271 /* PAL B/G */ 272 { MSP_CARRIER(5.7421875), "5.742 PAL B/G FM-stereo" }, 273 { MSP_CARRIER(5.85), "5.85 PAL B/G NICAM" } 274 }; 275 276 static struct CARRIER_DETECT carrier_detect_65[] = { 277 /* PAL SAT / SECAM */ 278 { MSP_CARRIER(5.85), "5.85 PAL D/K + SECAM NICAM" }, 279 { MSP_CARRIER(6.2578125), "6.25 PAL D/K1 FM-stereo" }, 280 { MSP_CARRIER(6.7421875), "6.74 PAL D/K2 FM-stereo" }, 281 { MSP_CARRIER(7.02), "7.02 PAL SAT FM-stereo s/b" }, 282 { MSP_CARRIER(7.20), "7.20 PAL SAT FM-stereo s" }, 283 { MSP_CARRIER(7.38), "7.38 PAL SAT FM-stereo b" }, 284 }; 285 286 #define CARRIER_COUNT(x) (sizeof(x)/sizeof(struct CARRIER_DETECT)) 287 288 /* ----------------------------------------------------------------------- */ 289 290 #define SCART_MASK 0 291 #define SCART_IN1 1 292 #define SCART_IN2 2 293 #define SCART_IN1_DA 3 294 #define SCART_IN2_DA 4 295 #define SCART_IN3 5 296 #define SCART_IN4 6 297 #define SCART_MONO 7 298 #define SCART_MUTE 8 299 300 static int scarts[3][9] = { 301 /* MASK IN1 IN2 IN1_DA IN2_DA IN3 IN4 MONO MUTE */ 302 { 0x0320, 0x0000, 0x0200, -1, -1, 0x0300, 0x0020, 0x0100, 0x0320 }, 303 { 0x0c40, 0x0440, 0x0400, 0x0c00, 0x0040, 0x0000, 0x0840, 0x0800, 0x0c40 }, 304 { 0x3080, 0x1000, 0x1080, 0x0000, 0x0080, 0x2080, 0x3080, 0x2000, 0x3000 }, 305 }; 306 307 static char *scart_names[] = { 308 "mask", "in1", "in2", "in1 da", "in2 da", "in3", "in4", "mono", "mute" 309 }; 310 311 static void 312 msp3400c_set_scart(bktr_ptr_t client, int in, int out) 313 { 314 struct msp3400c *msp = client->msp3400c_info; 315 316 if (-1 == scarts[out][in]) 317 return; 318 319 dprintk(("msp34xx: scart switch: %s => %d\n", scart_names[in], out)); 320 msp->acb &= ~scarts[out][SCART_MASK]; 321 msp->acb |= scarts[out][in]; 322 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0013, msp->acb); 323 } 324 325 /* ------------------------------------------------------------------------ */ 326 327 static void msp3400c_setcarrier(bktr_ptr_t client, int cdo1, int cdo2) 328 { 329 msp3400c_write(client,I2C_MSP3400C_DEM, 0x0093, cdo1 & 0xfff); 330 msp3400c_write(client,I2C_MSP3400C_DEM, 0x009b, cdo1 >> 12); 331 msp3400c_write(client,I2C_MSP3400C_DEM, 0x00a3, cdo2 & 0xfff); 332 msp3400c_write(client,I2C_MSP3400C_DEM, 0x00ab, cdo2 >> 12); 333 msp3400c_write(client,I2C_MSP3400C_DEM, 0x0056, 0); /*LOAD_REG_1/2*/ 334 } 335 336 static void msp3400c_setvolume(bktr_ptr_t client, 337 int muted, int left, int right) 338 { 339 int vol = 0,val = 0,balance = 0; 340 341 if (!muted) { 342 vol = (left > right) ? left : right; 343 val = (vol * 0x73 / 65535) << 8; 344 } 345 if (vol > 0) { 346 balance = ((right-left) * 127) / vol; 347 } 348 349 dprintk(("msp34xx: setvolume: mute=%s %d:%d v=0x%02x b=0x%02x\n", 350 muted ? "on" : "off", left, right, val>>8, balance)); 351 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0000, val); /* loudspeaker */ 352 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0006, val); /* headphones */ 353 /* scart - on/off only */ 354 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0007, val ? 0x4000 : 0); 355 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0001, balance << 8); 356 } 357 358 static void msp3400c_setbass(bktr_ptr_t client, int bass) 359 { 360 int val = ((bass-32768) * 0x60 / 65535) << 8; 361 362 dprintk(("msp34xx: setbass: %d 0x%02x\n",bass, val>>8)); 363 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0002, val); /* loudspeaker */ 364 } 365 366 static void msp3400c_settreble(bktr_ptr_t client, int treble) 367 { 368 int val = ((treble-32768) * 0x60 / 65535) << 8; 369 370 dprintk(("msp34xx: settreble: %d 0x%02x\n",treble, val>>8)); 371 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0003, val); /* loudspeaker */ 372 } 373 374 static void msp3400c_setmode(bktr_ptr_t client, int type) 375 { 376 struct msp3400c *msp = client->msp3400c_info; 377 int i; 378 379 dprintk(("msp3400: setmode: %d\n",type)); 380 msp->mode = type; 381 msp->stereo = VIDEO_SOUND_MONO; 382 383 msp3400c_write(client,I2C_MSP3400C_DEM, 0x00bb, /* ad_cv */ 384 msp_init_data[type].ad_cv); 385 386 for (i = 5; i >= 0; i--) /* fir 1 */ 387 msp3400c_write(client,I2C_MSP3400C_DEM, 0x0001, 388 msp_init_data[type].fir1[i]); 389 390 msp3400c_write(client,I2C_MSP3400C_DEM, 0x0005, 0x0004); /* fir 2 */ 391 msp3400c_write(client,I2C_MSP3400C_DEM, 0x0005, 0x0040); 392 msp3400c_write(client,I2C_MSP3400C_DEM, 0x0005, 0x0000); 393 for (i = 5; i >= 0; i--) 394 msp3400c_write(client,I2C_MSP3400C_DEM, 0x0005, 395 msp_init_data[type].fir2[i]); 396 397 msp3400c_write(client,I2C_MSP3400C_DEM, 0x0083, /* MODE_REG */ 398 msp_init_data[type].mode_reg); 399 400 msp3400c_setcarrier(client, msp_init_data[type].cdo1, 401 msp_init_data[type].cdo2); 402 403 msp3400c_write(client,I2C_MSP3400C_DEM, 0x0056, 0); /*LOAD_REG_1/2*/ 404 405 if (client->dolby) { 406 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0008, 407 0x0520); /* I2S1 */ 408 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0009, 409 0x0620); /* I2S2 */ 410 msp3400c_write(client,I2C_MSP3400C_DFP, 0x000b, 411 msp_init_data[type].dfp_src); 412 } else { 413 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0008, 414 msp_init_data[type].dfp_src); 415 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0009, 416 msp_init_data[type].dfp_src); 417 msp3400c_write(client,I2C_MSP3400C_DFP, 0x000b, 418 msp_init_data[type].dfp_src); 419 } 420 msp3400c_write(client,I2C_MSP3400C_DFP, 0x000a, 421 msp_init_data[type].dfp_src); 422 msp3400c_write(client,I2C_MSP3400C_DFP, 0x000e, 423 msp_init_data[type].dfp_matrix); 424 425 if (msp->nicam) { 426 /* nicam prescale */ 427 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0010, 0x5a00); /* was: 0x3000 */ 428 } 429 } 430 431 /* turn on/off nicam + stereo */ 432 static void msp3400c_setstereo(bktr_ptr_t client, int mode) 433 { 434 static char *strmode[] = { "0", "mono", "stereo", "3", 435 "lang1", "5", "6", "7", "lang2" }; 436 struct msp3400c *msp = client->msp3400c_info; 437 int nicam=0; /* channel source: FM/AM or nicam */ 438 int src=0; 439 440 /* switch demodulator */ 441 switch (msp->mode) { 442 case MSP_MODE_FM_TERRA: 443 dprintk(("msp3400: FM setstereo: %s\n",strmode[mode])); 444 msp3400c_setcarrier(client,msp->second,msp->main); 445 switch (mode) { 446 case VIDEO_SOUND_STEREO: 447 msp3400c_write(client,I2C_MSP3400C_DFP, 0x000e, 0x3001); 448 break; 449 case VIDEO_SOUND_MONO: 450 case VIDEO_SOUND_LANG1: 451 case VIDEO_SOUND_LANG2: 452 msp3400c_write(client,I2C_MSP3400C_DFP, 0x000e, 0x3000); 453 break; 454 } 455 break; 456 case MSP_MODE_FM_SAT: 457 dprintk(("msp3400: SAT setstereo: %s\n",strmode[mode])); 458 switch (mode) { 459 case VIDEO_SOUND_MONO: 460 msp3400c_setcarrier(client, MSP_CARRIER(6.5), MSP_CARRIER(6.5)); 461 break; 462 case VIDEO_SOUND_STEREO: 463 msp3400c_setcarrier(client, MSP_CARRIER(7.2), MSP_CARRIER(7.02)); 464 break; 465 case VIDEO_SOUND_LANG1: 466 msp3400c_setcarrier(client, MSP_CARRIER(7.38), MSP_CARRIER(7.02)); 467 break; 468 case VIDEO_SOUND_LANG2: 469 msp3400c_setcarrier(client, MSP_CARRIER(7.38), MSP_CARRIER(7.02)); 470 break; 471 } 472 break; 473 case MSP_MODE_FM_NICAM1: 474 case MSP_MODE_FM_NICAM2: 475 case MSP_MODE_AM_NICAM: 476 dprintk(("msp3400: NICAM setstereo: %s\n",strmode[mode])); 477 msp3400c_setcarrier(client,msp->second,msp->main); 478 if (msp->nicam_on) 479 nicam=0x0100; 480 break; 481 case MSP_MODE_BTSC: 482 dprintk(("msp3400: BTSC setstereo: %s\n",strmode[mode])); 483 nicam=0x0300; 484 break; 485 case MSP_MODE_EXTERN: 486 dprintk(("msp3400: extern setstereo: %s\n",strmode[mode])); 487 nicam = 0x0200; 488 break; 489 case MSP_MODE_FM_RADIO: 490 dprintk(("msp3400: FM-Radio setstereo: %s\n",strmode[mode])); 491 break; 492 default: 493 dprintk(("msp3400: mono setstereo\n")); 494 return; 495 } 496 497 /* switch audio */ 498 switch (mode) { 499 case VIDEO_SOUND_STEREO: 500 src = 0x0020 | nicam; 501 #if 0 502 /* spatial effect */ 503 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0005,0x4000); 504 #endif 505 break; 506 case VIDEO_SOUND_MONO: 507 if (msp->mode == MSP_MODE_AM_NICAM) { 508 dprintk(("msp3400: switching to AM mono\n")); 509 /* AM mono decoding is handled by tuner, not MSP chip */ 510 /* SCART switching control register */ 511 msp3400c_set_scart(client,SCART_MONO,0); 512 src = 0x0200; 513 break; 514 } 515 case VIDEO_SOUND_LANG1: 516 src = 0x0000 | nicam; 517 break; 518 case VIDEO_SOUND_LANG2: 519 src = 0x0010 | nicam; 520 break; 521 } 522 dprintk(("msp3400: setstereo final source/matrix = 0x%x\n", src)); 523 524 if (client->dolby) { 525 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0008,0x0520); 526 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0009,0x0620); 527 msp3400c_write(client,I2C_MSP3400C_DFP, 0x000a,src); 528 msp3400c_write(client,I2C_MSP3400C_DFP, 0x000b,src); 529 } else { 530 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0008,src); 531 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0009,src); 532 msp3400c_write(client,I2C_MSP3400C_DFP, 0x000a,src); 533 msp3400c_write(client,I2C_MSP3400C_DFP, 0x000b,src); 534 } 535 } 536 537 static void 538 msp3400c_print_mode(struct msp3400c *msp) 539 { 540 if (msp->main == msp->second) { 541 printf("bktr: msp3400: mono sound carrier: %d.%03d MHz\n", 542 msp->main/910000,(msp->main/910)%1000); 543 } else { 544 printf("bktr: msp3400: main sound carrier: %d.%03d MHz\n", 545 msp->main/910000,(msp->main/910)%1000); 546 } 547 if (msp->mode == MSP_MODE_FM_NICAM1 || 548 msp->mode == MSP_MODE_FM_NICAM2) 549 printf("bktr: msp3400: NICAM/FM carrier : %d.%03d MHz\n", 550 msp->second/910000,(msp->second/910)%1000); 551 if (msp->mode == MSP_MODE_AM_NICAM) 552 printf("bktr: msp3400: NICAM/AM carrier : %d.%03d MHz\n", 553 msp->second/910000,(msp->second/910)%1000); 554 if (msp->mode == MSP_MODE_FM_TERRA && 555 msp->main != msp->second) { 556 printf("bktr: msp3400: FM-stereo carrier : %d.%03d MHz\n", 557 msp->second/910000,(msp->second/910)%1000); 558 } 559 } 560 561 static void 562 msp3400c_restore_dfp(bktr_ptr_t client) 563 { 564 struct msp3400c *msp = (struct msp3400c*)client->msp3400c_info; 565 int i; 566 567 for (i = 0; i < DFP_COUNT; i++) { 568 if (-1 == msp->dfp_regs[i]) 569 continue; 570 msp3400c_write(client,I2C_MSP3400C_DFP, i, msp->dfp_regs[i]); 571 } 572 } 573 574 /* ----------------------------------------------------------------------- */ 575 576 struct REGISTER_DUMP { 577 int addr; 578 char *name; 579 }; 580 581 struct REGISTER_DUMP d1[] = { 582 { 0x007e, "autodetect" }, 583 { 0x0023, "C_AD_BITS " }, 584 { 0x0038, "ADD_BITS " }, 585 { 0x003e, "CIB_BITS " }, 586 { 0x0057, "ERROR_RATE" }, 587 }; 588 589 static int 590 autodetect_stereo(bktr_ptr_t client) 591 { 592 struct msp3400c *msp = (struct msp3400c*)client->msp3400c_info; 593 int val; 594 int newstereo = msp->stereo; 595 int newnicam = msp->nicam_on; 596 int update = 0; 597 598 switch (msp->mode) { 599 case MSP_MODE_FM_TERRA: 600 val = msp3400c_read(client, I2C_MSP3400C_DFP, 0x18); 601 if (val > 32767) 602 val -= 65536; 603 dprintk(("msp34xx: stereo detect register: %d\n",val)); 604 605 if (val > 4096) { 606 newstereo = VIDEO_SOUND_STEREO | VIDEO_SOUND_MONO; 607 } else if (val < -4096) { 608 newstereo = VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2; 609 } else { 610 newstereo = VIDEO_SOUND_MONO; 611 } 612 newnicam = 0; 613 break; 614 case MSP_MODE_FM_NICAM1: 615 case MSP_MODE_FM_NICAM2: 616 case MSP_MODE_AM_NICAM: 617 val = msp3400c_read(client, I2C_MSP3400C_DEM, 0x23); 618 dprintk(("msp34xx: nicam sync=%d, mode=%d\n", 619 val & 1, (val & 0x1e) >> 1)); 620 621 if (val & 1) { 622 /* nicam synced */ 623 switch ((val & 0x1e) >> 1) { 624 case 0: 625 case 8: 626 newstereo = VIDEO_SOUND_STEREO; 627 break; 628 case 1: 629 case 9: 630 newstereo = VIDEO_SOUND_MONO 631 | VIDEO_SOUND_LANG1; 632 break; 633 case 2: 634 case 10: 635 newstereo = VIDEO_SOUND_MONO 636 | VIDEO_SOUND_LANG1 637 | VIDEO_SOUND_LANG2; 638 break; 639 default: 640 newstereo = VIDEO_SOUND_MONO; 641 break; 642 } 643 newnicam=1; 644 } else { 645 newnicam = 0; 646 newstereo = VIDEO_SOUND_MONO; 647 } 648 break; 649 case MSP_MODE_BTSC: 650 val = msp3400c_read(client, I2C_MSP3400C_DEM, 0x200); 651 dprintk(("msp3410: status=0x%x (pri=%s, sec=%s, %s%s%s)\n", 652 val, 653 (val & 0x0002) ? "no" : "yes", 654 (val & 0x0004) ? "no" : "yes", 655 (val & 0x0040) ? "stereo" : "mono", 656 (val & 0x0080) ? ", nicam 2nd mono" : "", 657 (val & 0x0100) ? ", bilingual/SAP" : "")); 658 newstereo = VIDEO_SOUND_MONO; 659 if (val & 0x0040) newstereo |= VIDEO_SOUND_STEREO; 660 if (val & 0x0100) newstereo |= VIDEO_SOUND_LANG1; 661 break; 662 } 663 if (newstereo != msp->stereo) { 664 update = 1; 665 dprintk(("msp34xx: watch: stereo %d => %d\n", 666 msp->stereo,newstereo)); 667 msp->stereo = newstereo; 668 } 669 if (newnicam != msp->nicam_on) { 670 update = 1; 671 dprintk(("msp34xx: watch: nicam %d => %d\n", 672 msp->nicam_on,newnicam)); 673 msp->nicam_on = newnicam; 674 } 675 return update; 676 } 677 678 /* 679 * A kernel thread for msp3400 control -- we don't want to block the 680 * in the ioctl while doing the sound carrier & stereo detect 681 */ 682 683 /* stereo/multilang monitoring */ 684 static void watch_stereo(bktr_ptr_t client) 685 { 686 struct msp3400c *msp = (struct msp3400c*)client->msp3400c_info; 687 688 if (autodetect_stereo(client)) { 689 if (msp->stereo & VIDEO_SOUND_STEREO) 690 msp3400c_setstereo(client,VIDEO_SOUND_STEREO); 691 else if (msp->stereo & VIDEO_SOUND_LANG1) 692 msp3400c_setstereo(client,VIDEO_SOUND_LANG1); 693 else 694 msp3400c_setstereo(client,VIDEO_SOUND_MONO); 695 } 696 if (client->stereo_once) 697 msp->watch_stereo = 0; 698 699 } 700 701 static void msp3400c_thread(void *data) 702 { 703 bktr_ptr_t client = data; 704 struct msp3400c *msp = (struct msp3400c*)client->msp3400c_info; 705 706 struct CARRIER_DETECT *cd; 707 int count, max1,max2,val1,val2, val,this; 708 709 dprintk(("msp3400: thread started\n")); 710 711 for (;;) { 712 if (msp->rmmod) 713 goto done; 714 tsleep(msp->kthread, 0, "idle", 0); 715 if (msp->rmmod) 716 goto done; 717 if (msp->halt_thread) { 718 msp->watch_stereo = 0; 719 msp->halt_thread = 0; 720 continue; 721 } 722 723 if (VIDEO_MODE_RADIO == msp->norm || 724 MSP_MODE_EXTERN == msp->mode) 725 continue; /* nothing to do */ 726 727 msp->active = 1; 728 729 if (msp->watch_stereo) { 730 watch_stereo(client); 731 msp->active = 0; 732 continue; 733 } 734 735 /* some time for the tuner to sync */ 736 tsleep(msp->kthread, 0, "tuner sync", hz/2); 737 738 restart: 739 if (VIDEO_MODE_RADIO == msp->norm || 740 MSP_MODE_EXTERN == msp->mode) 741 continue; /* nothing to do */ 742 msp->restart = 0; 743 msp3400c_setvolume(client, msp->muted, 0, 0); 744 msp3400c_setmode(client, MSP_MODE_AM_DETECT /* +1 */ ); 745 val1 = val2 = 0; 746 max1 = max2 = -1; 747 msp->watch_stereo = 0; 748 749 /* carrier detect pass #1 -- main carrier */ 750 cd = carrier_detect_main; count = CARRIER_COUNT(carrier_detect_main); 751 752 if (client->amsound && (msp->norm == VIDEO_MODE_SECAM)) { 753 /* autodetect doesn't work well with AM ... */ 754 max1 = 3; 755 count = 0; 756 dprintk(("msp3400: AM sound override\n")); 757 } 758 759 for (this = 0; this < count; this++) { 760 msp3400c_setcarrier(client, cd[this].cdo,cd[this].cdo); 761 762 tsleep(msp->kthread, 0, "carrier detect", hz/100); 763 764 if (msp->restart) 765 msp->restart = 0; 766 767 val = msp3400c_read(client, I2C_MSP3400C_DFP, 0x1b); 768 if (val > 32767) 769 val -= 65536; 770 if (val1 < val) 771 val1 = val, max1 = this; 772 dprintk(("msp3400: carrier1 val: %5d / %s\n", val, 773 cd[this].name)); 774 } 775 776 /* carrier detect pass #2 -- second (stereo) carrier */ 777 switch (max1) { 778 case 1: /* 5.5 */ 779 cd = carrier_detect_55; count = CARRIER_COUNT(carrier_detect_55); 780 break; 781 case 3: /* 6.5 */ 782 cd = carrier_detect_65; count = CARRIER_COUNT(carrier_detect_65); 783 break; 784 case 0: /* 4.5 */ 785 case 2: /* 6.0 */ 786 default: 787 cd = NULL; count = 0; 788 break; 789 } 790 791 if (client->amsound && (msp->norm == VIDEO_MODE_SECAM)) { 792 /* autodetect doesn't work well with AM ... */ 793 cd = NULL; count = 0; max2 = 0; 794 } 795 for (this = 0; this < count; this++) { 796 msp3400c_setcarrier(client, cd[this].cdo,cd[this].cdo); 797 798 tsleep(msp->kthread, 0, "carrier detection", hz/100); 799 if (msp->restart) 800 goto restart; 801 802 val = msp3400c_read(client, I2C_MSP3400C_DFP, 0x1b); 803 if (val > 32767) 804 val -= 65536; 805 if (val2 < val) 806 val2 = val, max2 = this; 807 dprintk(("msp3400: carrier2 val: %5d / %s\n", val, 808 cd[this].name)); 809 } 810 811 /* programm the msp3400 according to the results */ 812 msp->main = carrier_detect_main[max1].cdo; 813 switch (max1) { 814 case 1: /* 5.5 */ 815 if (max2 == 0) { 816 /* B/G FM-stereo */ 817 msp->second = carrier_detect_55[max2].cdo; 818 msp3400c_setmode(client, MSP_MODE_FM_TERRA); 819 msp->nicam_on = 0; 820 /* XXX why mono? this probably can do stereo... - Alex*/ 821 msp3400c_setstereo(client, VIDEO_SOUND_MONO); 822 msp->watch_stereo = 1; 823 } else if (max2 == 1 && msp->nicam) { 824 /* B/G NICAM */ 825 msp->second = carrier_detect_55[max2].cdo; 826 msp3400c_setmode(client, MSP_MODE_FM_NICAM1); 827 msp->nicam_on = 1; 828 msp3400c_setcarrier(client, msp->second, msp->main); 829 msp->watch_stereo = 1; 830 } else { 831 goto no_second; 832 } 833 break; 834 case 2: /* 6.0 */ 835 /* PAL I NICAM */ 836 msp->second = MSP_CARRIER(6.552); 837 msp3400c_setmode(client, MSP_MODE_FM_NICAM2); 838 msp->nicam_on = 1; 839 msp3400c_setcarrier(client, msp->second, msp->main); 840 msp->watch_stereo = 1; 841 break; 842 case 3: /* 6.5 */ 843 if (max2 == 1 || max2 == 2) { 844 /* D/K FM-stereo */ 845 msp->second = carrier_detect_65[max2].cdo; 846 msp3400c_setmode(client, MSP_MODE_FM_TERRA); 847 msp->nicam_on = 0; 848 msp3400c_setstereo(client, VIDEO_SOUND_MONO); 849 msp->watch_stereo = 1; 850 } else if (max2 == 0 && 851 msp->norm == VIDEO_MODE_SECAM) { 852 /* L NICAM or AM-mono */ 853 msp->second = carrier_detect_65[max2].cdo; 854 msp3400c_setmode(client, MSP_MODE_AM_NICAM); 855 msp->nicam_on = 0; 856 msp3400c_setstereo(client, VIDEO_SOUND_MONO); 857 msp3400c_setcarrier(client, msp->second, msp->main); 858 /* volume prescale for SCART (AM mono input) */ 859 msp3400c_write(client,I2C_MSP3400C_DFP, 0x000d, 0x1900); 860 msp->watch_stereo = 1; 861 } else if (max2 == 0 && msp->nicam) { 862 /* D/K NICAM */ 863 msp->second = carrier_detect_65[max2].cdo; 864 msp3400c_setmode(client, MSP_MODE_FM_NICAM1); 865 msp->nicam_on = 1; 866 msp3400c_setcarrier(client, msp->second, msp->main); 867 msp->watch_stereo = 1; 868 } else { 869 goto no_second; 870 } 871 break; 872 case 0: /* 4.5 */ 873 default: 874 no_second: 875 msp->second = carrier_detect_main[max1].cdo; 876 msp3400c_setmode(client, MSP_MODE_FM_TERRA); 877 msp->nicam_on = 0; 878 msp3400c_setcarrier(client, msp->second, msp->main); 879 msp->stereo = VIDEO_SOUND_MONO; 880 msp3400c_setstereo(client, VIDEO_SOUND_MONO); 881 break; 882 } 883 884 if (msp->watch_stereo) 885 watch_stereo(client); 886 887 /* unmute + restore dfp registers */ 888 msp3400c_setvolume(client, msp->muted, msp->left, msp->right); 889 msp3400c_restore_dfp(client); 890 891 if (bootverbose) 892 msp3400c_print_mode(msp); 893 894 msp->active = 0; 895 } 896 897 done: 898 dprintk(("msp3400: thread: exit\n")); 899 msp->active = 0; 900 901 msp->kthread = NULL; 902 wakeup(&msp->kthread); 903 904 kthread_exit(); 905 } 906 907 /* ----------------------------------------------------------------------- */ 908 /* this one uses the automatic sound standard detection of newer */ 909 /* msp34xx chip versions */ 910 911 static struct MODES { 912 int retval; 913 int main, second; 914 char *name; 915 } modelist[] = { 916 { 0x0000, 0, 0, "ERROR" }, 917 { 0x0001, 0, 0, "autodetect start" }, 918 { 0x0002, MSP_CARRIER(4.5), MSP_CARRIER(4.72), "4.5/4.72 M Dual FM-Stereo" }, 919 { 0x0003, MSP_CARRIER(5.5), MSP_CARRIER(5.7421875), "5.5/5.74 B/G Dual FM-Stereo" }, 920 { 0x0004, MSP_CARRIER(6.5), MSP_CARRIER(6.2578125), "6.5/6.25 D/K1 Dual FM-Stereo" }, 921 { 0x0005, MSP_CARRIER(6.5), MSP_CARRIER(6.7421875), "6.5/6.74 D/K2 Dual FM-Stereo" }, 922 { 0x0006, MSP_CARRIER(6.5), MSP_CARRIER(6.5), "6.5 D/K FM-Mono (HDEV3)" }, 923 { 0x0008, MSP_CARRIER(5.5), MSP_CARRIER(5.85), "5.5/5.85 B/G NICAM FM" }, 924 { 0x0009, MSP_CARRIER(6.5), MSP_CARRIER(5.85), "6.5/5.85 L NICAM AM" }, 925 { 0x000a, MSP_CARRIER(6.0), MSP_CARRIER(6.55), "6.0/6.55 I NICAM FM" }, 926 { 0x000b, MSP_CARRIER(6.5), MSP_CARRIER(5.85), "6.5/5.85 D/K NICAM FM" }, 927 { 0x000c, MSP_CARRIER(6.5), MSP_CARRIER(5.85), "6.5/5.85 D/K NICAM FM (HDEV2)" }, 928 { 0x0020, MSP_CARRIER(4.5), MSP_CARRIER(4.5), "4.5 M BTSC-Stereo" }, 929 { 0x0021, MSP_CARRIER(4.5), MSP_CARRIER(4.5), "4.5 M BTSC-Mono + SAP" }, 930 { 0x0030, MSP_CARRIER(4.5), MSP_CARRIER(4.5), "4.5 M EIA-J Japan Stereo" }, 931 { 0x0040, MSP_CARRIER(10.7), MSP_CARRIER(10.7), "10.7 FM-Stereo Radio" }, 932 { 0x0050, MSP_CARRIER(6.5), MSP_CARRIER(6.5), "6.5 SAT-Mono" }, 933 { 0x0051, MSP_CARRIER(7.02), MSP_CARRIER(7.20), "7.02/7.20 SAT-Stereo" }, 934 { 0x0060, MSP_CARRIER(7.2), MSP_CARRIER(7.2), "7.2 SAT ADR" }, 935 { -1, 0, 0, NULL }, /* EOF */ 936 }; 937 938 static void msp3410d_thread(void *data) 939 { 940 bktr_ptr_t client = data; 941 struct msp3400c *msp = (struct msp3400c*)client->msp3400c_info; 942 int mode,val,i,std; 943 int timo = 0; 944 945 dprintk(("msp3410: thread started\n")); 946 947 for (;;) { 948 if (msp->rmmod) 949 goto done; 950 if (!msp->watch_stereo) 951 timo = 0; 952 else 953 timo = 10*hz; 954 tsleep(msp->kthread, 0, "idle", timo); 955 if (msp->rmmod) 956 goto done; 957 if (msp->halt_thread) { 958 msp->watch_stereo = 0; 959 msp->halt_thread = 0; 960 dprintk(("msp3410: thread halted\n")); 961 continue; 962 } 963 964 if (msp->mode == MSP_MODE_EXTERN) 965 continue; 966 967 msp->active = 1; 968 969 if (msp->watch_stereo) { 970 watch_stereo(client); 971 msp->active = 0; 972 continue; 973 } 974 975 /* some time for the tuner to sync */ 976 tsleep(msp->kthread, 0, "tuner sync", hz/2); 977 978 restart: 979 if (msp->mode == MSP_MODE_EXTERN) 980 continue; 981 msp->restart = 0; 982 msp->watch_stereo = 0; 983 984 /* put into sane state (and mute) */ 985 msp3400c_reset(client); 986 987 /* start autodetect */ 988 switch (msp->norm) { 989 case VIDEO_MODE_PAL: 990 mode = 0x1003; 991 std = 1; 992 break; 993 case VIDEO_MODE_NTSC: /* BTSC */ 994 mode = 0x2003; 995 std = 0x0020; 996 break; 997 case VIDEO_MODE_SECAM: 998 mode = 0x0003; 999 std = 1; 1000 break; 1001 case VIDEO_MODE_RADIO: 1002 mode = 0x0003; 1003 std = 0x0040; 1004 break; 1005 default: 1006 mode = 0x0003; 1007 std = 1; 1008 break; 1009 } 1010 msp3400c_write(client, I2C_MSP3400C_DEM, 0x30, mode); 1011 msp3400c_write(client, I2C_MSP3400C_DEM, 0x20, std); 1012 1013 if (bootverbose) { 1014 int i; 1015 for (i = 0; modelist[i].name != NULL; i++) 1016 if (modelist[i].retval == std) 1017 break; 1018 dprintk(("msp3410: setting mode: %s (0x%04x)\n", 1019 modelist[i].name ? modelist[i].name : "unknown", 1020 std)); 1021 } 1022 1023 if (std != 1) { 1024 /* programmed some specific mode */ 1025 val = std; 1026 } else { 1027 /* triggered autodetect */ 1028 for (;;) { 1029 tsleep(msp->kthread, 0, "autodetection", hz/10); 1030 if (msp->restart) 1031 goto restart; 1032 1033 /* check results */ 1034 val = msp3400c_read(client, I2C_MSP3400C_DEM, 0x7e); 1035 if (val < 0x07ff) 1036 break; 1037 dprintk(("msp3410: detection still in progress\n")); 1038 } 1039 } 1040 for (i = 0; modelist[i].name != NULL; i++) 1041 if (modelist[i].retval == val) 1042 break; 1043 dprintk(("msp3410: current mode: %s (0x%04x)\n", 1044 modelist[i].name ? modelist[i].name : "unknown", 1045 val)); 1046 msp->main = modelist[i].main; 1047 msp->second = modelist[i].second; 1048 1049 if (client->amsound && (msp->norm == VIDEO_MODE_SECAM) && (val != 0x0009)) { 1050 /* autodetection has failed, let backup */ 1051 dprintk(("msp3410: autodetection failed, switching to backup mode: %s (0x%04x)\n", 1052 modelist[8].name ? modelist[8].name : "unknown",val)); 1053 val = 0x0009; 1054 msp3400c_write(client, I2C_MSP3400C_DEM, 0x20, val); 1055 } 1056 1057 /* set various prescales */ 1058 msp3400c_write(client, I2C_MSP3400C_DFP, 0x0d, 0x1900); /* scart */ 1059 msp3400c_write(client, I2C_MSP3400C_DFP, 0x0e, 0x2403); /* FM */ 1060 msp3400c_write(client, I2C_MSP3400C_DFP, 0x10, 0x5a00); /* nicam */ 1061 1062 /* set stereo */ 1063 switch (val) { 1064 case 0x0008: /* B/G NICAM */ 1065 case 0x000a: /* I NICAM */ 1066 if (val == 0x0008) 1067 msp->mode = MSP_MODE_FM_NICAM1; 1068 else 1069 msp->mode = MSP_MODE_FM_NICAM2; 1070 /* just turn on stereo */ 1071 msp->stereo = VIDEO_SOUND_STEREO; 1072 msp->nicam_on = 1; 1073 msp->watch_stereo = 1; 1074 msp3400c_setstereo(client,VIDEO_SOUND_STEREO); 1075 break; 1076 case 0x0009: 1077 msp->mode = MSP_MODE_AM_NICAM; 1078 msp->stereo = VIDEO_SOUND_MONO; 1079 msp->nicam_on = 1; 1080 msp3400c_setstereo(client,VIDEO_SOUND_MONO); 1081 msp->watch_stereo = 1; 1082 break; 1083 case 0x0020: /* BTSC */ 1084 /* just turn on stereo */ 1085 msp->mode = MSP_MODE_BTSC; 1086 msp->stereo = VIDEO_SOUND_STEREO; 1087 msp->nicam_on = 0; 1088 msp->watch_stereo = 1; 1089 msp3400c_setstereo(client,VIDEO_SOUND_STEREO); 1090 break; 1091 case 0x0040: /* FM radio */ 1092 msp->mode = MSP_MODE_FM_RADIO; 1093 msp->stereo = VIDEO_SOUND_STEREO; 1094 msp->nicam_on = 0; 1095 msp->watch_stereo = 0; 1096 /* scart routing */ 1097 msp3400c_set_scart(client,SCART_IN2,0); 1098 msp3400c_write(client,I2C_MSP3400C_DFP, 0x08, 0x0220); 1099 msp3400c_write(client,I2C_MSP3400C_DFP, 0x09, 0x0220); 1100 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0b, 0x0220); 1101 break; 1102 case 0x0003: 1103 msp->mode = MSP_MODE_FM_TERRA; 1104 msp->stereo = VIDEO_SOUND_STEREO; 1105 msp->nicam_on = 0; 1106 msp->watch_stereo = 1; 1107 msp3400c_setstereo(client,VIDEO_SOUND_STEREO); 1108 break; 1109 } 1110 1111 if (msp->watch_stereo) 1112 watch_stereo(client); 1113 1114 /* unmute + restore dfp registers */ 1115 msp3400c_setbass(client, msp->bass); 1116 msp3400c_settreble(client, msp->treble); 1117 msp3400c_setvolume(client, msp->muted, msp->left, msp->right); 1118 msp3400c_restore_dfp(client); 1119 1120 msp->active = 0; 1121 } 1122 1123 done: 1124 dprintk(("msp3410: thread: exit\n")); 1125 msp->active = 0; 1126 1127 msp->kthread = NULL; 1128 wakeup(&msp->kthread); 1129 1130 kthread_exit(); 1131 } 1132 1133 int msp_attach(bktr_ptr_t bktr) 1134 { 1135 struct msp3400c *msp; 1136 int rev1,rev2,i; 1137 int err; 1138 char buf[20]; 1139 1140 msp = (struct msp3400c *) malloc(sizeof(struct msp3400c), M_DEVBUF, M_NOWAIT); 1141 if (msp == NULL) 1142 return ENOMEM; 1143 bktr->msp3400c_info = msp; 1144 1145 memset(msp,0,sizeof(struct msp3400c)); 1146 msp->left = 65535; 1147 msp->right = 65535; 1148 msp->bass = 32768; 1149 msp->treble = 32768; 1150 msp->input = -1; 1151 msp->threaddesc = malloc(15 * sizeof(char), M_DEVBUF, M_NOWAIT); 1152 if (msp->threaddesc == NULL) { 1153 free(msp, M_DEVBUF); 1154 return ENOMEM; 1155 } 1156 snprintf(msp->threaddesc, 14, "%s_msp34xx_thread", bktr->bktr_xname); 1157 1158 for (i = 0; i < DFP_COUNT; i++) 1159 msp->dfp_regs[i] = -1; 1160 1161 msp3400c_reset(bktr); 1162 1163 rev1 = msp3400c_read(bktr, I2C_MSP3400C_DFP, 0x1e); 1164 if (-1 != rev1) 1165 rev2 = msp3400c_read(bktr, I2C_MSP3400C_DFP, 0x1f); 1166 if ((-1 == rev1) || (0 == rev1 && 0 == rev2)) { 1167 free(msp->threaddesc, M_DEVBUF); 1168 free(msp, M_DEVBUF); 1169 bktr->msp3400c_info = NULL; 1170 printf("%s: msp3400: error while reading chip version\n", bktr_name(bktr)); 1171 return ENXIO; 1172 } 1173 1174 #if 0 1175 /* this will turn on a 1kHz beep - might be useful for debugging... */ 1176 msp3400c_write(bktr,I2C_MSP3400C_DFP, 0x0014, 0x1040); 1177 #endif 1178 1179 sprintf(buf,"MSP34%02d%c-%c%d", 1180 (rev2>>8)&0xff, (rev1&0xff)+'@', ((rev1>>8)&0xff)+'@', rev2&0x1f); 1181 msp->nicam = (((rev2>>8)&0xff) != 00) ? 1 : 0; 1182 1183 if (bktr->mspsimple == -1) { 1184 /* default mode */ 1185 /* msp->simple = (((rev2>>8)&0xff) == 0) ? 0 : 1; */ 1186 msp->simple = ((rev1&0xff)+'@' > 'C'); 1187 } else { 1188 /* use kenv value */ 1189 msp->simple = bktr->mspsimple; 1190 } 1191 1192 /* hello world :-) */ 1193 if (bootverbose) { 1194 printf("%s: msp34xx: init: chip=%s", bktr_name(bktr), buf); 1195 if (msp->nicam) 1196 printf(", has NICAM support"); 1197 printf("\n"); 1198 } 1199 1200 /* startup control thread */ 1201 err = kthread_create(msp->simple ? msp3410d_thread : msp3400c_thread, 1202 bktr, &msp->kthread, msp->threaddesc); 1203 if (err) { 1204 printf("%s: Error returned by kthread_create: %d", bktr_name(bktr), err); 1205 free(msp->threaddesc, M_DEVBUF); 1206 free(msp, M_DEVBUF); 1207 bktr->msp3400c_info = NULL; 1208 return ENXIO; 1209 } 1210 wakeup(msp->kthread); 1211 1212 /* done */ 1213 return 0; 1214 } 1215 1216 int msp_detach(bktr_ptr_t client) 1217 { 1218 struct msp3400c *msp = (struct msp3400c*)client->msp3400c_info; 1219 1220 /* shutdown control thread */ 1221 if (msp->kthread) 1222 { 1223 /* XXX mutex lock required */ 1224 msp->rmmod = 1; 1225 msp->watch_stereo = 0; 1226 wakeup(msp->kthread); 1227 1228 while (msp->kthread) 1229 tsleep(&msp->kthread, 0, "wait for kthread", hz/10); 1230 } 1231 1232 if (client->msp3400c_info != NULL) { 1233 free(client->msp3400c_info, M_DEVBUF); 1234 client->msp3400c_info = NULL; 1235 } 1236 1237 msp3400c_reset(client); 1238 1239 return 0; 1240 } 1241 1242 void msp_wake_thread(bktr_ptr_t client) 1243 { 1244 struct msp3400c *msp = (struct msp3400c*)client->msp3400c_info; 1245 1246 msp3400c_setvolume(client,msp->muted,0,0); 1247 msp->watch_stereo=0; 1248 if (msp->active) 1249 msp->restart = 1; 1250 wakeup(msp->kthread); 1251 } 1252 1253 void msp_halt_thread(bktr_ptr_t client) 1254 { 1255 struct msp3400c *msp = (struct msp3400c*)client->msp3400c_info; 1256 1257 msp3400c_setvolume(client,msp->muted,0,0); 1258 if (msp->active) 1259 msp->restart = 1; 1260 msp->halt_thread = 1; 1261 wakeup(msp->kthread); 1262 } 1263 #endif /* BKTR_NEW_MSP34XX_DRIVER */ 1264