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 1.3 2003/12/12 21:18:04 rwatson Exp $ 27 * $DragonFly: src/sys/dev/video/bktr/msp34xx.c,v 1.2 2004/06/01 17:12:15 joerg 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 #include <machine/bus.h> /* required by bktr_reg.h */ 90 91 #include <dev/video/meteor/ioctl_meteor.h> 92 #include <dev/video/bktr/ioctl_bt848.h> /* extensions to ioctl_meteor.h */ 93 #include <dev/video/bktr/bktr_reg.h> 94 #include <dev/video/bktr/bktr_tuner.h> 95 #include <dev/video/bktr/bktr_audio.h> 96 #include <dev/video/bktr/bktr_core.h> 97 98 #define VIDEO_MODE_PAL 0 99 #define VIDEO_MODE_NTSC 1 100 #define VIDEO_MODE_SECAM 2 101 #define VIDEO_MODE_AUTO 3 102 103 #define VIDEO_SOUND_MONO 1 104 #define VIDEO_SOUND_STEREO 2 105 #define VIDEO_SOUND_LANG1 4 106 #define VIDEO_SOUND_LANG2 8 107 108 #define DFP_COUNT 0x41 109 static const int bl_dfp[] = { 110 0x00, 0x01, 0x02, 0x03, 0x06, 0x08, 0x09, 0x0a, 111 0x0b, 0x0d, 0x0e, 0x10 112 }; 113 114 struct msp3400c { 115 int simple; 116 int nicam; 117 int mode; 118 int norm; 119 int stereo; 120 int nicam_on; 121 int acb; 122 int main, second; /* sound carrier */ 123 int input; 124 125 int muted; 126 int left, right; /* volume */ 127 int bass, treble; 128 129 /* shadow register set */ 130 int dfp_regs[DFP_COUNT]; 131 132 /* thread */ 133 struct thread *kthread; 134 char *threaddesc; 135 136 int active,restart,rmmod; 137 138 int watch_stereo; 139 int halt_thread; 140 }; 141 142 #define VIDEO_MODE_RADIO 16 /* norm magic for radio mode */ 143 144 /* ---------------------------------------------------------------------- */ 145 146 #define dprintk(args) do { \ 147 if (bootverbose) { \ 148 printf("%s: ", bktr_name(client)); \ 149 printf args; \ 150 } \ 151 } while (0) 152 153 /* ---------------------------------------------------------------------- */ 154 155 #define I2C_MSP3400C 0x80 156 #define I2C_MSP3400C_DEM 0x10 157 #define I2C_MSP3400C_DFP 0x12 158 159 /* ----------------------------------------------------------------------- */ 160 /* functions for talking to the MSP3400C Sound processor */ 161 162 static int msp3400c_reset(bktr_ptr_t client) 163 { 164 /* use our own which handles config(8) options */ 165 msp_dpl_reset(client, client->msp_addr); 166 167 return 0; 168 } 169 170 static int 171 msp3400c_read(bktr_ptr_t client, int dev, int addr) 172 { 173 /* use our own */ 174 return(msp_dpl_read(client, client->msp_addr, dev, addr)); 175 } 176 177 static int 178 msp3400c_write(bktr_ptr_t client, int dev, int addr, int val) 179 { 180 /* use our own */ 181 msp_dpl_write(client, client->msp_addr, dev, addr, val); 182 183 return(0); 184 } 185 186 /* ------------------------------------------------------------------------ */ 187 188 /* This macro is allowed for *constants* only, gcc must calculate it 189 at compile time. Remember -- no floats in kernel mode */ 190 #define MSP_CARRIER(freq) ((int)((float)(freq/18.432)*(1<<24))) 191 192 #define MSP_MODE_AM_DETECT 0 193 #define MSP_MODE_FM_RADIO 2 194 #define MSP_MODE_FM_TERRA 3 195 #define MSP_MODE_FM_SAT 4 196 #define MSP_MODE_FM_NICAM1 5 197 #define MSP_MODE_FM_NICAM2 6 198 #define MSP_MODE_AM_NICAM 7 199 #define MSP_MODE_BTSC 8 200 #define MSP_MODE_EXTERN 9 201 202 static struct MSP_INIT_DATA_DEM { 203 int fir1[6]; 204 int fir2[6]; 205 int cdo1; 206 int cdo2; 207 int ad_cv; 208 int mode_reg; 209 int dfp_src; 210 int dfp_matrix; 211 } msp_init_data[] = { 212 /* AM (for carrier detect / msp3400) */ 213 { { 75, 19, 36, 35, 39, 40 }, { 75, 19, 36, 35, 39, 40 }, 214 MSP_CARRIER(5.5), MSP_CARRIER(5.5), 215 0x00d0, 0x0500, 0x0020, 0x3000}, 216 217 /* AM (for carrier detect / msp3410) */ 218 { { -1, -1, -8, 2, 59, 126 }, { -1, -1, -8, 2, 59, 126 }, 219 MSP_CARRIER(5.5), MSP_CARRIER(5.5), 220 0x00d0, 0x0100, 0x0020, 0x3000}, 221 222 /* FM Radio */ 223 { { -8, -8, 4, 6, 78, 107 }, { -8, -8, 4, 6, 78, 107 }, 224 MSP_CARRIER(10.7), MSP_CARRIER(10.7), 225 0x00d0, 0x0480, 0x0020, 0x3000 }, 226 227 /* Terrestial FM-mono + FM-stereo */ 228 { { 3, 18, 27, 48, 66, 72 }, { 3, 18, 27, 48, 66, 72 }, 229 MSP_CARRIER(5.5), MSP_CARRIER(5.5), 230 0x00d0, 0x0480, 0x0030, 0x3000}, 231 232 /* Sat FM-mono */ 233 { { 1, 9, 14, 24, 33, 37 }, { 3, 18, 27, 48, 66, 72 }, 234 MSP_CARRIER(6.5), MSP_CARRIER(6.5), 235 0x00c6, 0x0480, 0x0000, 0x3000}, 236 237 /* NICAM/FM -- B/G (5.5/5.85), D/K (6.5/5.85) */ 238 { { -2, -8, -10, 10, 50, 86 }, { 3, 18, 27, 48, 66, 72 }, 239 MSP_CARRIER(5.5), MSP_CARRIER(5.5), 240 0x00d0, 0x0040, 0x0120, 0x3000}, 241 242 /* NICAM/FM -- I (6.0/6.552) */ 243 { { 2, 4, -6, -4, 40, 94 }, { 3, 18, 27, 48, 66, 72 }, 244 MSP_CARRIER(6.0), MSP_CARRIER(6.0), 245 0x00d0, 0x0040, 0x0120, 0x3000}, 246 247 /* NICAM/AM -- L (6.5/5.85) */ 248 { { -2, -8, -10, 10, 50, 86 }, { -4, -12, -9, 23, 79, 126 }, 249 MSP_CARRIER(6.5), MSP_CARRIER(6.5), 250 0x00c6, 0x0140, 0x0120, 0x7c03}, 251 }; 252 253 struct CARRIER_DETECT { 254 int cdo; 255 char *name; 256 }; 257 258 static struct CARRIER_DETECT carrier_detect_main[] = { 259 /* main carrier */ 260 { MSP_CARRIER(4.5), "4.5 NTSC" }, 261 { MSP_CARRIER(5.5), "5.5 PAL B/G" }, 262 { MSP_CARRIER(6.0), "6.0 PAL I" }, 263 { MSP_CARRIER(6.5), "6.5 PAL D/K + SAT + SECAM" } 264 }; 265 266 static struct CARRIER_DETECT carrier_detect_55[] = { 267 /* PAL B/G */ 268 { MSP_CARRIER(5.7421875), "5.742 PAL B/G FM-stereo" }, 269 { MSP_CARRIER(5.85), "5.85 PAL B/G NICAM" } 270 }; 271 272 static struct CARRIER_DETECT carrier_detect_65[] = { 273 /* PAL SAT / SECAM */ 274 { MSP_CARRIER(5.85), "5.85 PAL D/K + SECAM NICAM" }, 275 { MSP_CARRIER(6.2578125), "6.25 PAL D/K1 FM-stereo" }, 276 { MSP_CARRIER(6.7421875), "6.74 PAL D/K2 FM-stereo" }, 277 { MSP_CARRIER(7.02), "7.02 PAL SAT FM-stereo s/b" }, 278 { MSP_CARRIER(7.20), "7.20 PAL SAT FM-stereo s" }, 279 { MSP_CARRIER(7.38), "7.38 PAL SAT FM-stereo b" }, 280 }; 281 282 #define CARRIER_COUNT(x) (sizeof(x)/sizeof(struct CARRIER_DETECT)) 283 284 /* ----------------------------------------------------------------------- */ 285 286 #define SCART_MASK 0 287 #define SCART_IN1 1 288 #define SCART_IN2 2 289 #define SCART_IN1_DA 3 290 #define SCART_IN2_DA 4 291 #define SCART_IN3 5 292 #define SCART_IN4 6 293 #define SCART_MONO 7 294 #define SCART_MUTE 8 295 296 static int scarts[3][9] = { 297 /* MASK IN1 IN2 IN1_DA IN2_DA IN3 IN4 MONO MUTE */ 298 { 0x0320, 0x0000, 0x0200, -1, -1, 0x0300, 0x0020, 0x0100, 0x0320 }, 299 { 0x0c40, 0x0440, 0x0400, 0x0c00, 0x0040, 0x0000, 0x0840, 0x0800, 0x0c40 }, 300 { 0x3080, 0x1000, 0x1080, 0x0000, 0x0080, 0x2080, 0x3080, 0x2000, 0x3000 }, 301 }; 302 303 static char *scart_names[] = { 304 "mask", "in1", "in2", "in1 da", "in2 da", "in3", "in4", "mono", "mute" 305 }; 306 307 static void 308 msp3400c_set_scart(bktr_ptr_t client, int in, int out) 309 { 310 struct msp3400c *msp = client->msp3400c_info; 311 312 if (-1 == scarts[out][in]) 313 return; 314 315 dprintk(("msp34xx: scart switch: %s => %d\n", scart_names[in], out)); 316 msp->acb &= ~scarts[out][SCART_MASK]; 317 msp->acb |= scarts[out][in]; 318 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0013, msp->acb); 319 } 320 321 /* ------------------------------------------------------------------------ */ 322 323 static void msp3400c_setcarrier(bktr_ptr_t client, int cdo1, int cdo2) 324 { 325 msp3400c_write(client,I2C_MSP3400C_DEM, 0x0093, cdo1 & 0xfff); 326 msp3400c_write(client,I2C_MSP3400C_DEM, 0x009b, cdo1 >> 12); 327 msp3400c_write(client,I2C_MSP3400C_DEM, 0x00a3, cdo2 & 0xfff); 328 msp3400c_write(client,I2C_MSP3400C_DEM, 0x00ab, cdo2 >> 12); 329 msp3400c_write(client,I2C_MSP3400C_DEM, 0x0056, 0); /*LOAD_REG_1/2*/ 330 } 331 332 static void msp3400c_setvolume(bktr_ptr_t client, 333 int muted, int left, int right) 334 { 335 int vol = 0,val = 0,balance = 0; 336 337 if (!muted) { 338 vol = (left > right) ? left : right; 339 val = (vol * 0x73 / 65535) << 8; 340 } 341 if (vol > 0) { 342 balance = ((right-left) * 127) / vol; 343 } 344 345 dprintk(("msp34xx: setvolume: mute=%s %d:%d v=0x%02x b=0x%02x\n", 346 muted ? "on" : "off", left, right, val>>8, balance)); 347 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0000, val); /* loudspeaker */ 348 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0006, val); /* headphones */ 349 /* scart - on/off only */ 350 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0007, val ? 0x4000 : 0); 351 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0001, balance << 8); 352 } 353 354 static void msp3400c_setbass(bktr_ptr_t client, int bass) 355 { 356 int val = ((bass-32768) * 0x60 / 65535) << 8; 357 358 dprintk(("msp34xx: setbass: %d 0x%02x\n",bass, val>>8)); 359 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0002, val); /* loudspeaker */ 360 } 361 362 static void msp3400c_settreble(bktr_ptr_t client, int treble) 363 { 364 int val = ((treble-32768) * 0x60 / 65535) << 8; 365 366 dprintk(("msp34xx: settreble: %d 0x%02x\n",treble, val>>8)); 367 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0003, val); /* loudspeaker */ 368 } 369 370 static void msp3400c_setmode(bktr_ptr_t client, int type) 371 { 372 struct msp3400c *msp = client->msp3400c_info; 373 int i; 374 375 dprintk(("msp3400: setmode: %d\n",type)); 376 msp->mode = type; 377 msp->stereo = VIDEO_SOUND_MONO; 378 379 msp3400c_write(client,I2C_MSP3400C_DEM, 0x00bb, /* ad_cv */ 380 msp_init_data[type].ad_cv); 381 382 for (i = 5; i >= 0; i--) /* fir 1 */ 383 msp3400c_write(client,I2C_MSP3400C_DEM, 0x0001, 384 msp_init_data[type].fir1[i]); 385 386 msp3400c_write(client,I2C_MSP3400C_DEM, 0x0005, 0x0004); /* fir 2 */ 387 msp3400c_write(client,I2C_MSP3400C_DEM, 0x0005, 0x0040); 388 msp3400c_write(client,I2C_MSP3400C_DEM, 0x0005, 0x0000); 389 for (i = 5; i >= 0; i--) 390 msp3400c_write(client,I2C_MSP3400C_DEM, 0x0005, 391 msp_init_data[type].fir2[i]); 392 393 msp3400c_write(client,I2C_MSP3400C_DEM, 0x0083, /* MODE_REG */ 394 msp_init_data[type].mode_reg); 395 396 msp3400c_setcarrier(client, msp_init_data[type].cdo1, 397 msp_init_data[type].cdo2); 398 399 msp3400c_write(client,I2C_MSP3400C_DEM, 0x0056, 0); /*LOAD_REG_1/2*/ 400 401 if (client->dolby) { 402 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0008, 403 0x0520); /* I2S1 */ 404 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0009, 405 0x0620); /* I2S2 */ 406 msp3400c_write(client,I2C_MSP3400C_DFP, 0x000b, 407 msp_init_data[type].dfp_src); 408 } else { 409 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0008, 410 msp_init_data[type].dfp_src); 411 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0009, 412 msp_init_data[type].dfp_src); 413 msp3400c_write(client,I2C_MSP3400C_DFP, 0x000b, 414 msp_init_data[type].dfp_src); 415 } 416 msp3400c_write(client,I2C_MSP3400C_DFP, 0x000a, 417 msp_init_data[type].dfp_src); 418 msp3400c_write(client,I2C_MSP3400C_DFP, 0x000e, 419 msp_init_data[type].dfp_matrix); 420 421 if (msp->nicam) { 422 /* nicam prescale */ 423 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0010, 0x5a00); /* was: 0x3000 */ 424 } 425 } 426 427 /* turn on/off nicam + stereo */ 428 static void msp3400c_setstereo(bktr_ptr_t client, int mode) 429 { 430 static char *strmode[] = { "0", "mono", "stereo", "3", 431 "lang1", "5", "6", "7", "lang2" }; 432 struct msp3400c *msp = client->msp3400c_info; 433 int nicam=0; /* channel source: FM/AM or nicam */ 434 int src=0; 435 436 /* switch demodulator */ 437 switch (msp->mode) { 438 case MSP_MODE_FM_TERRA: 439 dprintk(("msp3400: FM setstereo: %s\n",strmode[mode])); 440 msp3400c_setcarrier(client,msp->second,msp->main); 441 switch (mode) { 442 case VIDEO_SOUND_STEREO: 443 msp3400c_write(client,I2C_MSP3400C_DFP, 0x000e, 0x3001); 444 break; 445 case VIDEO_SOUND_MONO: 446 case VIDEO_SOUND_LANG1: 447 case VIDEO_SOUND_LANG2: 448 msp3400c_write(client,I2C_MSP3400C_DFP, 0x000e, 0x3000); 449 break; 450 } 451 break; 452 case MSP_MODE_FM_SAT: 453 dprintk(("msp3400: SAT setstereo: %s\n",strmode[mode])); 454 switch (mode) { 455 case VIDEO_SOUND_MONO: 456 msp3400c_setcarrier(client, MSP_CARRIER(6.5), MSP_CARRIER(6.5)); 457 break; 458 case VIDEO_SOUND_STEREO: 459 msp3400c_setcarrier(client, MSP_CARRIER(7.2), MSP_CARRIER(7.02)); 460 break; 461 case VIDEO_SOUND_LANG1: 462 msp3400c_setcarrier(client, MSP_CARRIER(7.38), MSP_CARRIER(7.02)); 463 break; 464 case VIDEO_SOUND_LANG2: 465 msp3400c_setcarrier(client, MSP_CARRIER(7.38), MSP_CARRIER(7.02)); 466 break; 467 } 468 break; 469 case MSP_MODE_FM_NICAM1: 470 case MSP_MODE_FM_NICAM2: 471 case MSP_MODE_AM_NICAM: 472 dprintk(("msp3400: NICAM setstereo: %s\n",strmode[mode])); 473 msp3400c_setcarrier(client,msp->second,msp->main); 474 if (msp->nicam_on) 475 nicam=0x0100; 476 break; 477 case MSP_MODE_BTSC: 478 dprintk(("msp3400: BTSC setstereo: %s\n",strmode[mode])); 479 nicam=0x0300; 480 break; 481 case MSP_MODE_EXTERN: 482 dprintk(("msp3400: extern setstereo: %s\n",strmode[mode])); 483 nicam = 0x0200; 484 break; 485 case MSP_MODE_FM_RADIO: 486 dprintk(("msp3400: FM-Radio setstereo: %s\n",strmode[mode])); 487 break; 488 default: 489 dprintk(("msp3400: mono setstereo\n")); 490 return; 491 } 492 493 /* switch audio */ 494 switch (mode) { 495 case VIDEO_SOUND_STEREO: 496 src = 0x0020 | nicam; 497 #if 0 498 /* spatial effect */ 499 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0005,0x4000); 500 #endif 501 break; 502 case VIDEO_SOUND_MONO: 503 if (msp->mode == MSP_MODE_AM_NICAM) { 504 dprintk(("msp3400: switching to AM mono\n")); 505 /* AM mono decoding is handled by tuner, not MSP chip */ 506 /* SCART switching control register */ 507 msp3400c_set_scart(client,SCART_MONO,0); 508 src = 0x0200; 509 break; 510 } 511 case VIDEO_SOUND_LANG1: 512 src = 0x0000 | nicam; 513 break; 514 case VIDEO_SOUND_LANG2: 515 src = 0x0010 | nicam; 516 break; 517 } 518 dprintk(("msp3400: setstereo final source/matrix = 0x%x\n", src)); 519 520 if (client->dolby) { 521 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0008,0x0520); 522 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0009,0x0620); 523 msp3400c_write(client,I2C_MSP3400C_DFP, 0x000a,src); 524 msp3400c_write(client,I2C_MSP3400C_DFP, 0x000b,src); 525 } else { 526 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0008,src); 527 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0009,src); 528 msp3400c_write(client,I2C_MSP3400C_DFP, 0x000a,src); 529 msp3400c_write(client,I2C_MSP3400C_DFP, 0x000b,src); 530 } 531 } 532 533 static void 534 msp3400c_print_mode(struct msp3400c *msp) 535 { 536 if (msp->main == msp->second) { 537 printf("bktr: msp3400: mono sound carrier: %d.%03d MHz\n", 538 msp->main/910000,(msp->main/910)%1000); 539 } else { 540 printf("bktr: msp3400: main sound carrier: %d.%03d MHz\n", 541 msp->main/910000,(msp->main/910)%1000); 542 } 543 if (msp->mode == MSP_MODE_FM_NICAM1 || 544 msp->mode == MSP_MODE_FM_NICAM2) 545 printf("bktr: msp3400: NICAM/FM carrier : %d.%03d MHz\n", 546 msp->second/910000,(msp->second/910)%1000); 547 if (msp->mode == MSP_MODE_AM_NICAM) 548 printf("bktr: msp3400: NICAM/AM carrier : %d.%03d MHz\n", 549 msp->second/910000,(msp->second/910)%1000); 550 if (msp->mode == MSP_MODE_FM_TERRA && 551 msp->main != msp->second) { 552 printf("bktr: msp3400: FM-stereo carrier : %d.%03d MHz\n", 553 msp->second/910000,(msp->second/910)%1000); 554 } 555 } 556 557 static void 558 msp3400c_restore_dfp(bktr_ptr_t client) 559 { 560 struct msp3400c *msp = (struct msp3400c*)client->msp3400c_info; 561 int i; 562 563 for (i = 0; i < DFP_COUNT; i++) { 564 if (-1 == msp->dfp_regs[i]) 565 continue; 566 msp3400c_write(client,I2C_MSP3400C_DFP, i, msp->dfp_regs[i]); 567 } 568 } 569 570 /* ----------------------------------------------------------------------- */ 571 572 struct REGISTER_DUMP { 573 int addr; 574 char *name; 575 }; 576 577 struct REGISTER_DUMP d1[] = { 578 { 0x007e, "autodetect" }, 579 { 0x0023, "C_AD_BITS " }, 580 { 0x0038, "ADD_BITS " }, 581 { 0x003e, "CIB_BITS " }, 582 { 0x0057, "ERROR_RATE" }, 583 }; 584 585 static int 586 autodetect_stereo(bktr_ptr_t client) 587 { 588 struct msp3400c *msp = (struct msp3400c*)client->msp3400c_info; 589 int val; 590 int newstereo = msp->stereo; 591 int newnicam = msp->nicam_on; 592 int update = 0; 593 594 switch (msp->mode) { 595 case MSP_MODE_FM_TERRA: 596 val = msp3400c_read(client, I2C_MSP3400C_DFP, 0x18); 597 if (val > 32767) 598 val -= 65536; 599 dprintk(("msp34xx: stereo detect register: %d\n",val)); 600 601 if (val > 4096) { 602 newstereo = VIDEO_SOUND_STEREO | VIDEO_SOUND_MONO; 603 } else if (val < -4096) { 604 newstereo = VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2; 605 } else { 606 newstereo = VIDEO_SOUND_MONO; 607 } 608 newnicam = 0; 609 break; 610 case MSP_MODE_FM_NICAM1: 611 case MSP_MODE_FM_NICAM2: 612 case MSP_MODE_AM_NICAM: 613 val = msp3400c_read(client, I2C_MSP3400C_DEM, 0x23); 614 dprintk(("msp34xx: nicam sync=%d, mode=%d\n", 615 val & 1, (val & 0x1e) >> 1)); 616 617 if (val & 1) { 618 /* nicam synced */ 619 switch ((val & 0x1e) >> 1) { 620 case 0: 621 case 8: 622 newstereo = VIDEO_SOUND_STEREO; 623 break; 624 case 1: 625 case 9: 626 newstereo = VIDEO_SOUND_MONO 627 | VIDEO_SOUND_LANG1; 628 break; 629 case 2: 630 case 10: 631 newstereo = VIDEO_SOUND_MONO 632 | VIDEO_SOUND_LANG1 633 | VIDEO_SOUND_LANG2; 634 break; 635 default: 636 newstereo = VIDEO_SOUND_MONO; 637 break; 638 } 639 newnicam=1; 640 } else { 641 newnicam = 0; 642 newstereo = VIDEO_SOUND_MONO; 643 } 644 break; 645 case MSP_MODE_BTSC: 646 val = msp3400c_read(client, I2C_MSP3400C_DEM, 0x200); 647 dprintk(("msp3410: status=0x%x (pri=%s, sec=%s, %s%s%s)\n", 648 val, 649 (val & 0x0002) ? "no" : "yes", 650 (val & 0x0004) ? "no" : "yes", 651 (val & 0x0040) ? "stereo" : "mono", 652 (val & 0x0080) ? ", nicam 2nd mono" : "", 653 (val & 0x0100) ? ", bilingual/SAP" : "")); 654 newstereo = VIDEO_SOUND_MONO; 655 if (val & 0x0040) newstereo |= VIDEO_SOUND_STEREO; 656 if (val & 0x0100) newstereo |= VIDEO_SOUND_LANG1; 657 break; 658 } 659 if (newstereo != msp->stereo) { 660 update = 1; 661 dprintk(("msp34xx: watch: stereo %d => %d\n", 662 msp->stereo,newstereo)); 663 msp->stereo = newstereo; 664 } 665 if (newnicam != msp->nicam_on) { 666 update = 1; 667 dprintk(("msp34xx: watch: nicam %d => %d\n", 668 msp->nicam_on,newnicam)); 669 msp->nicam_on = newnicam; 670 } 671 return update; 672 } 673 674 /* 675 * A kernel thread for msp3400 control -- we don't want to block the 676 * in the ioctl while doing the sound carrier & stereo detect 677 */ 678 679 /* stereo/multilang monitoring */ 680 static void watch_stereo(bktr_ptr_t client) 681 { 682 struct msp3400c *msp = (struct msp3400c*)client->msp3400c_info; 683 684 if (autodetect_stereo(client)) { 685 if (msp->stereo & VIDEO_SOUND_STEREO) 686 msp3400c_setstereo(client,VIDEO_SOUND_STEREO); 687 else if (msp->stereo & VIDEO_SOUND_LANG1) 688 msp3400c_setstereo(client,VIDEO_SOUND_LANG1); 689 else 690 msp3400c_setstereo(client,VIDEO_SOUND_MONO); 691 } 692 if (client->stereo_once) 693 msp->watch_stereo = 0; 694 695 } 696 697 static void msp3400c_thread(void *data) 698 { 699 bktr_ptr_t client = data; 700 struct msp3400c *msp = (struct msp3400c*)client->msp3400c_info; 701 702 struct CARRIER_DETECT *cd; 703 int count, max1,max2,val1,val2, val,this; 704 705 dprintk(("msp3400: thread started\n")); 706 707 for (;;) { 708 if (msp->rmmod) 709 goto done; 710 tsleep(msp->kthread, 0, "idle", 0); 711 if (msp->rmmod) 712 goto done; 713 if (msp->halt_thread) { 714 msp->watch_stereo = 0; 715 msp->halt_thread = 0; 716 continue; 717 } 718 719 if (VIDEO_MODE_RADIO == msp->norm || 720 MSP_MODE_EXTERN == msp->mode) 721 continue; /* nothing to do */ 722 723 msp->active = 1; 724 725 if (msp->watch_stereo) { 726 watch_stereo(client); 727 msp->active = 0; 728 continue; 729 } 730 731 /* some time for the tuner to sync */ 732 tsleep(msp->kthread, 0, "tuner sync", hz/2); 733 734 restart: 735 if (VIDEO_MODE_RADIO == msp->norm || 736 MSP_MODE_EXTERN == msp->mode) 737 continue; /* nothing to do */ 738 msp->restart = 0; 739 msp3400c_setvolume(client, msp->muted, 0, 0); 740 msp3400c_setmode(client, MSP_MODE_AM_DETECT /* +1 */ ); 741 val1 = val2 = 0; 742 max1 = max2 = -1; 743 msp->watch_stereo = 0; 744 745 /* carrier detect pass #1 -- main carrier */ 746 cd = carrier_detect_main; count = CARRIER_COUNT(carrier_detect_main); 747 748 if (client->amsound && (msp->norm == VIDEO_MODE_SECAM)) { 749 /* autodetect doesn't work well with AM ... */ 750 max1 = 3; 751 count = 0; 752 dprintk(("msp3400: AM sound override\n")); 753 } 754 755 for (this = 0; this < count; this++) { 756 msp3400c_setcarrier(client, cd[this].cdo,cd[this].cdo); 757 758 tsleep(msp->kthread, 0, "carrier detect", hz/100); 759 760 if (msp->restart) 761 msp->restart = 0; 762 763 val = msp3400c_read(client, I2C_MSP3400C_DFP, 0x1b); 764 if (val > 32767) 765 val -= 65536; 766 if (val1 < val) 767 val1 = val, max1 = this; 768 dprintk(("msp3400: carrier1 val: %5d / %s\n", val, 769 cd[this].name)); 770 } 771 772 /* carrier detect pass #2 -- second (stereo) carrier */ 773 switch (max1) { 774 case 1: /* 5.5 */ 775 cd = carrier_detect_55; count = CARRIER_COUNT(carrier_detect_55); 776 break; 777 case 3: /* 6.5 */ 778 cd = carrier_detect_65; count = CARRIER_COUNT(carrier_detect_65); 779 break; 780 case 0: /* 4.5 */ 781 case 2: /* 6.0 */ 782 default: 783 cd = NULL; count = 0; 784 break; 785 } 786 787 if (client->amsound && (msp->norm == VIDEO_MODE_SECAM)) { 788 /* autodetect doesn't work well with AM ... */ 789 cd = NULL; count = 0; max2 = 0; 790 } 791 for (this = 0; this < count; this++) { 792 msp3400c_setcarrier(client, cd[this].cdo,cd[this].cdo); 793 794 tsleep(msp->kthread, 0, "carrier detection", hz/100); 795 if (msp->restart) 796 goto restart; 797 798 val = msp3400c_read(client, I2C_MSP3400C_DFP, 0x1b); 799 if (val > 32767) 800 val -= 65536; 801 if (val2 < val) 802 val2 = val, max2 = this; 803 dprintk(("msp3400: carrier2 val: %5d / %s\n", val, 804 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 } 892 893 done: 894 dprintk(("msp3400: thread: exit\n")); 895 msp->active = 0; 896 897 msp->kthread = NULL; 898 wakeup(&msp->kthread); 899 900 kthread_exit(); 901 } 902 903 /* ----------------------------------------------------------------------- */ 904 /* this one uses the automatic sound standard detection of newer */ 905 /* msp34xx chip versions */ 906 907 static struct MODES { 908 int retval; 909 int main, second; 910 char *name; 911 } modelist[] = { 912 { 0x0000, 0, 0, "ERROR" }, 913 { 0x0001, 0, 0, "autodetect start" }, 914 { 0x0002, MSP_CARRIER(4.5), MSP_CARRIER(4.72), "4.5/4.72 M Dual FM-Stereo" }, 915 { 0x0003, MSP_CARRIER(5.5), MSP_CARRIER(5.7421875), "5.5/5.74 B/G Dual FM-Stereo" }, 916 { 0x0004, MSP_CARRIER(6.5), MSP_CARRIER(6.2578125), "6.5/6.25 D/K1 Dual FM-Stereo" }, 917 { 0x0005, MSP_CARRIER(6.5), MSP_CARRIER(6.7421875), "6.5/6.74 D/K2 Dual FM-Stereo" }, 918 { 0x0006, MSP_CARRIER(6.5), MSP_CARRIER(6.5), "6.5 D/K FM-Mono (HDEV3)" }, 919 { 0x0008, MSP_CARRIER(5.5), MSP_CARRIER(5.85), "5.5/5.85 B/G NICAM FM" }, 920 { 0x0009, MSP_CARRIER(6.5), MSP_CARRIER(5.85), "6.5/5.85 L NICAM AM" }, 921 { 0x000a, MSP_CARRIER(6.0), MSP_CARRIER(6.55), "6.0/6.55 I NICAM FM" }, 922 { 0x000b, MSP_CARRIER(6.5), MSP_CARRIER(5.85), "6.5/5.85 D/K NICAM FM" }, 923 { 0x000c, MSP_CARRIER(6.5), MSP_CARRIER(5.85), "6.5/5.85 D/K NICAM FM (HDEV2)" }, 924 { 0x0020, MSP_CARRIER(4.5), MSP_CARRIER(4.5), "4.5 M BTSC-Stereo" }, 925 { 0x0021, MSP_CARRIER(4.5), MSP_CARRIER(4.5), "4.5 M BTSC-Mono + SAP" }, 926 { 0x0030, MSP_CARRIER(4.5), MSP_CARRIER(4.5), "4.5 M EIA-J Japan Stereo" }, 927 { 0x0040, MSP_CARRIER(10.7), MSP_CARRIER(10.7), "10.7 FM-Stereo Radio" }, 928 { 0x0050, MSP_CARRIER(6.5), MSP_CARRIER(6.5), "6.5 SAT-Mono" }, 929 { 0x0051, MSP_CARRIER(7.02), MSP_CARRIER(7.20), "7.02/7.20 SAT-Stereo" }, 930 { 0x0060, MSP_CARRIER(7.2), MSP_CARRIER(7.2), "7.2 SAT ADR" }, 931 { -1, 0, 0, NULL }, /* EOF */ 932 }; 933 934 static void msp3410d_thread(void *data) 935 { 936 bktr_ptr_t client = data; 937 struct msp3400c *msp = (struct msp3400c*)client->msp3400c_info; 938 int mode,val,i,std; 939 int timo = 0; 940 941 dprintk(("msp3410: thread started\n")); 942 943 for (;;) { 944 if (msp->rmmod) 945 goto done; 946 if (!msp->watch_stereo) 947 timo = 0; 948 else 949 timo = 10*hz; 950 tsleep(msp->kthread, 0, "idle", timo); 951 if (msp->rmmod) 952 goto done; 953 if (msp->halt_thread) { 954 msp->watch_stereo = 0; 955 msp->halt_thread = 0; 956 dprintk(("msp3410: thread halted\n")); 957 continue; 958 } 959 960 if (msp->mode == MSP_MODE_EXTERN) 961 continue; 962 963 msp->active = 1; 964 965 if (msp->watch_stereo) { 966 watch_stereo(client); 967 msp->active = 0; 968 continue; 969 } 970 971 /* some time for the tuner to sync */ 972 tsleep(msp->kthread, 0, "tuner sync", hz/2); 973 974 restart: 975 if (msp->mode == MSP_MODE_EXTERN) 976 continue; 977 msp->restart = 0; 978 msp->watch_stereo = 0; 979 980 /* put into sane state (and mute) */ 981 msp3400c_reset(client); 982 983 /* start autodetect */ 984 switch (msp->norm) { 985 case VIDEO_MODE_PAL: 986 mode = 0x1003; 987 std = 1; 988 break; 989 case VIDEO_MODE_NTSC: /* BTSC */ 990 mode = 0x2003; 991 std = 0x0020; 992 break; 993 case VIDEO_MODE_SECAM: 994 mode = 0x0003; 995 std = 1; 996 break; 997 case VIDEO_MODE_RADIO: 998 mode = 0x0003; 999 std = 0x0040; 1000 break; 1001 default: 1002 mode = 0x0003; 1003 std = 1; 1004 break; 1005 } 1006 msp3400c_write(client, I2C_MSP3400C_DEM, 0x30, mode); 1007 msp3400c_write(client, I2C_MSP3400C_DEM, 0x20, std); 1008 1009 if (bootverbose) { 1010 int i; 1011 for (i = 0; modelist[i].name != NULL; i++) 1012 if (modelist[i].retval == std) 1013 break; 1014 dprintk(("msp3410: setting mode: %s (0x%04x)\n", 1015 modelist[i].name ? modelist[i].name : "unknown", 1016 std)); 1017 } 1018 1019 if (std != 1) { 1020 /* programmed some specific mode */ 1021 val = std; 1022 } else { 1023 /* triggered autodetect */ 1024 for (;;) { 1025 tsleep(msp->kthread, 0, "autodetection", hz/10); 1026 if (msp->restart) 1027 goto restart; 1028 1029 /* check results */ 1030 val = msp3400c_read(client, I2C_MSP3400C_DEM, 0x7e); 1031 if (val < 0x07ff) 1032 break; 1033 dprintk(("msp3410: detection still in progress\n")); 1034 } 1035 } 1036 for (i = 0; modelist[i].name != NULL; i++) 1037 if (modelist[i].retval == val) 1038 break; 1039 dprintk(("msp3410: current mode: %s (0x%04x)\n", 1040 modelist[i].name ? modelist[i].name : "unknown", 1041 val)); 1042 msp->main = modelist[i].main; 1043 msp->second = modelist[i].second; 1044 1045 if (client->amsound && (msp->norm == VIDEO_MODE_SECAM) && (val != 0x0009)) { 1046 /* autodetection has failed, let backup */ 1047 dprintk(("msp3410: autodetection failed, switching to backup mode: %s (0x%04x)\n", 1048 modelist[8].name ? modelist[8].name : "unknown",val)); 1049 val = 0x0009; 1050 msp3400c_write(client, I2C_MSP3400C_DEM, 0x20, val); 1051 } 1052 1053 /* set various prescales */ 1054 msp3400c_write(client, I2C_MSP3400C_DFP, 0x0d, 0x1900); /* scart */ 1055 msp3400c_write(client, I2C_MSP3400C_DFP, 0x0e, 0x2403); /* FM */ 1056 msp3400c_write(client, I2C_MSP3400C_DFP, 0x10, 0x5a00); /* nicam */ 1057 1058 /* set stereo */ 1059 switch (val) { 1060 case 0x0008: /* B/G NICAM */ 1061 case 0x000a: /* I NICAM */ 1062 if (val == 0x0008) 1063 msp->mode = MSP_MODE_FM_NICAM1; 1064 else 1065 msp->mode = MSP_MODE_FM_NICAM2; 1066 /* just turn on stereo */ 1067 msp->stereo = VIDEO_SOUND_STEREO; 1068 msp->nicam_on = 1; 1069 msp->watch_stereo = 1; 1070 msp3400c_setstereo(client,VIDEO_SOUND_STEREO); 1071 break; 1072 case 0x0009: 1073 msp->mode = MSP_MODE_AM_NICAM; 1074 msp->stereo = VIDEO_SOUND_MONO; 1075 msp->nicam_on = 1; 1076 msp3400c_setstereo(client,VIDEO_SOUND_MONO); 1077 msp->watch_stereo = 1; 1078 break; 1079 case 0x0020: /* BTSC */ 1080 /* just turn on stereo */ 1081 msp->mode = MSP_MODE_BTSC; 1082 msp->stereo = VIDEO_SOUND_STEREO; 1083 msp->nicam_on = 0; 1084 msp->watch_stereo = 1; 1085 msp3400c_setstereo(client,VIDEO_SOUND_STEREO); 1086 break; 1087 case 0x0040: /* FM radio */ 1088 msp->mode = MSP_MODE_FM_RADIO; 1089 msp->stereo = VIDEO_SOUND_STEREO; 1090 msp->nicam_on = 0; 1091 msp->watch_stereo = 0; 1092 /* scart routing */ 1093 msp3400c_set_scart(client,SCART_IN2,0); 1094 msp3400c_write(client,I2C_MSP3400C_DFP, 0x08, 0x0220); 1095 msp3400c_write(client,I2C_MSP3400C_DFP, 0x09, 0x0220); 1096 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0b, 0x0220); 1097 break; 1098 case 0x0003: 1099 msp->mode = MSP_MODE_FM_TERRA; 1100 msp->stereo = VIDEO_SOUND_STEREO; 1101 msp->nicam_on = 0; 1102 msp->watch_stereo = 1; 1103 msp3400c_setstereo(client,VIDEO_SOUND_STEREO); 1104 break; 1105 } 1106 1107 if (msp->watch_stereo) 1108 watch_stereo(client); 1109 1110 /* unmute + restore dfp registers */ 1111 msp3400c_setbass(client, msp->bass); 1112 msp3400c_settreble(client, msp->treble); 1113 msp3400c_setvolume(client, msp->muted, msp->left, msp->right); 1114 msp3400c_restore_dfp(client); 1115 1116 msp->active = 0; 1117 } 1118 1119 done: 1120 dprintk(("msp3410: thread: exit\n")); 1121 msp->active = 0; 1122 1123 msp->kthread = NULL; 1124 wakeup(&msp->kthread); 1125 1126 kthread_exit(); 1127 } 1128 1129 int msp_attach(bktr_ptr_t bktr) 1130 { 1131 struct msp3400c *msp; 1132 int rev1,rev2,i; 1133 int err; 1134 char buf[20]; 1135 1136 msp = (struct msp3400c *) malloc(sizeof(struct msp3400c), M_DEVBUF, M_NOWAIT); 1137 if (msp == NULL) 1138 return ENOMEM; 1139 bktr->msp3400c_info = msp; 1140 1141 memset(msp,0,sizeof(struct msp3400c)); 1142 msp->left = 65535; 1143 msp->right = 65535; 1144 msp->bass = 32768; 1145 msp->treble = 32768; 1146 msp->input = -1; 1147 msp->threaddesc = malloc(15 * sizeof(char), M_DEVBUF, M_NOWAIT); 1148 if (msp->threaddesc == NULL) { 1149 free(msp, M_DEVBUF); 1150 return ENOMEM; 1151 } 1152 snprintf(msp->threaddesc, 14, "%s_msp34xx_thread", bktr->bktr_xname); 1153 1154 for (i = 0; i < DFP_COUNT; i++) 1155 msp->dfp_regs[i] = -1; 1156 1157 msp3400c_reset(bktr); 1158 1159 rev1 = msp3400c_read(bktr, I2C_MSP3400C_DFP, 0x1e); 1160 if (-1 != rev1) 1161 rev2 = msp3400c_read(bktr, I2C_MSP3400C_DFP, 0x1f); 1162 if ((-1 == rev1) || (0 == rev1 && 0 == rev2)) { 1163 free(msp->threaddesc, M_DEVBUF); 1164 free(msp, M_DEVBUF); 1165 bktr->msp3400c_info = NULL; 1166 printf("%s: msp3400: error while reading chip version\n", bktr_name(bktr)); 1167 return ENXIO; 1168 } 1169 1170 #if 0 1171 /* this will turn on a 1kHz beep - might be useful for debugging... */ 1172 msp3400c_write(bktr,I2C_MSP3400C_DFP, 0x0014, 0x1040); 1173 #endif 1174 1175 sprintf(buf,"MSP34%02d%c-%c%d", 1176 (rev2>>8)&0xff, (rev1&0xff)+'@', ((rev1>>8)&0xff)+'@', rev2&0x1f); 1177 msp->nicam = (((rev2>>8)&0xff) != 00) ? 1 : 0; 1178 1179 if (bktr->mspsimple == -1) { 1180 /* default mode */ 1181 /* msp->simple = (((rev2>>8)&0xff) == 0) ? 0 : 1; */ 1182 msp->simple = ((rev1&0xff)+'@' > 'C'); 1183 } else { 1184 /* use kenv value */ 1185 msp->simple = bktr->mspsimple; 1186 } 1187 1188 /* hello world :-) */ 1189 if (bootverbose) { 1190 printf("%s: msp34xx: init: chip=%s", bktr_name(bktr), buf); 1191 if (msp->nicam) 1192 printf(", has NICAM support"); 1193 printf("\n"); 1194 } 1195 1196 /* startup control thread */ 1197 err = kthread_create(msp->simple ? msp3410d_thread : msp3400c_thread, 1198 bktr, &msp->kthread, msp->threaddesc); 1199 if (err) { 1200 printf("%s: Error returned by kthread_create: %d", bktr_name(bktr), err); 1201 free(msp->threaddesc, M_DEVBUF); 1202 free(msp, M_DEVBUF); 1203 bktr->msp3400c_info = NULL; 1204 return ENXIO; 1205 } 1206 wakeup(msp->kthread); 1207 1208 /* done */ 1209 return 0; 1210 } 1211 1212 int msp_detach(bktr_ptr_t client) 1213 { 1214 struct msp3400c *msp = (struct msp3400c*)client->msp3400c_info; 1215 1216 /* shutdown control thread */ 1217 if (msp->kthread) 1218 { 1219 /* XXX mutex lock required */ 1220 msp->rmmod = 1; 1221 msp->watch_stereo = 0; 1222 wakeup(msp->kthread); 1223 1224 while (msp->kthread) 1225 tsleep(&msp->kthread, 0, "wait for kthread", hz/10); 1226 } 1227 1228 if (client->msp3400c_info != NULL) { 1229 free(client->msp3400c_info, M_DEVBUF); 1230 client->msp3400c_info = NULL; 1231 } 1232 1233 msp3400c_reset(client); 1234 1235 return 0; 1236 } 1237 1238 void msp_wake_thread(bktr_ptr_t client) 1239 { 1240 struct msp3400c *msp = (struct msp3400c*)client->msp3400c_info; 1241 1242 msp3400c_setvolume(client,msp->muted,0,0); 1243 msp->watch_stereo=0; 1244 if (msp->active) 1245 msp->restart = 1; 1246 wakeup(msp->kthread); 1247 } 1248 1249 void msp_halt_thread(bktr_ptr_t client) 1250 { 1251 struct msp3400c *msp = (struct msp3400c*)client->msp3400c_info; 1252 1253 msp3400c_setvolume(client,msp->muted,0,0); 1254 if (msp->active) 1255 msp->restart = 1; 1256 msp->halt_thread = 1; 1257 wakeup(msp->kthread); 1258 } 1259 #endif /* BKTR_NEW_MSP34XX_DRIVER */ 1260