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 */ 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 #include <sys/bus.h> 84 #include <sys/unistd.h> 85 #include <sys/kthread.h> 86 #include <sys/malloc.h> 87 88 #include <sys/mplock2.h> 89 90 #include <dev/video/meteor/ioctl_meteor.h> 91 #include <dev/video/bktr/ioctl_bt848.h> /* extensions to ioctl_meteor.h */ 92 #include <dev/video/bktr/bktr_reg.h> 93 #include <dev/video/bktr/bktr_tuner.h> 94 #include <dev/video/bktr/bktr_audio.h> 95 #include <dev/video/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 108 #if 0 /* unused */ 109 static const int bl_dfp[] = { 110 0x00, 0x01, 0x02, 0x03, 0x06, 0x08, 0x09, 0x0a, 111 0x0b, 0x0d, 0x0e, 0x10 112 }; 113 #endif 114 115 struct msp3400c { 116 int simple; 117 int nicam; 118 int mode; 119 int norm; 120 int stereo; 121 int nicam_on; 122 int acb; 123 int main, second; /* sound carrier */ 124 int input; 125 126 int muted; 127 int left, right; /* volume */ 128 int bass, treble; 129 130 /* shadow register set */ 131 int dfp_regs[DFP_COUNT]; 132 133 /* thread */ 134 struct thread *kthread; 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 kprintf("%s: ", bktr_name(client)); \ 149 kprintf 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 kprintf("bktr: msp3400: mono sound carrier: %d.%03d MHz\n", 538 msp->main/910000,(msp->main/910)%1000); 539 } else { 540 kprintf("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 kprintf("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 kprintf("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 kprintf("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 698 msp3400c_thread(void *data) 699 { 700 bktr_ptr_t client = data; 701 struct msp3400c *msp = (struct msp3400c*)client->msp3400c_info; 702 struct CARRIER_DETECT *cd; 703 int count, max1,max2,val1,val2, val,this; 704 705 get_mplock(); 706 707 dprintk(("msp3400: thread started\n")); 708 709 for (;;) { 710 if (msp->rmmod) 711 goto done; 712 tsleep(msp->kthread, 0, "idle", 0); 713 if (msp->rmmod) 714 goto done; 715 if (msp->halt_thread) { 716 msp->watch_stereo = 0; 717 msp->halt_thread = 0; 718 continue; 719 } 720 721 if (VIDEO_MODE_RADIO == msp->norm || 722 MSP_MODE_EXTERN == msp->mode) 723 continue; /* nothing to do */ 724 725 msp->active = 1; 726 727 if (msp->watch_stereo) { 728 watch_stereo(client); 729 msp->active = 0; 730 continue; 731 } 732 733 /* some time for the tuner to sync */ 734 tsleep(msp->kthread, 0, "tuner sync", hz/2); 735 736 restart: 737 if (VIDEO_MODE_RADIO == msp->norm || 738 MSP_MODE_EXTERN == msp->mode) 739 continue; /* nothing to do */ 740 msp->restart = 0; 741 msp3400c_setvolume(client, msp->muted, 0, 0); 742 msp3400c_setmode(client, MSP_MODE_AM_DETECT /* +1 */ ); 743 val1 = val2 = 0; 744 max1 = max2 = -1; 745 msp->watch_stereo = 0; 746 747 /* carrier detect pass #1 -- main carrier */ 748 cd = carrier_detect_main; count = CARRIER_COUNT(carrier_detect_main); 749 750 if (client->amsound && (msp->norm == VIDEO_MODE_SECAM)) { 751 /* autodetect doesn't work well with AM ... */ 752 max1 = 3; 753 count = 0; 754 dprintk(("msp3400: AM sound override\n")); 755 } 756 757 for (this = 0; this < count; this++) { 758 msp3400c_setcarrier(client, cd[this].cdo,cd[this].cdo); 759 760 tsleep(msp->kthread, 0, "carrier detect", hz/100); 761 762 if (msp->restart) 763 msp->restart = 0; 764 765 val = msp3400c_read(client, I2C_MSP3400C_DFP, 0x1b); 766 if (val > 32767) 767 val -= 65536; 768 if (val1 < val) 769 val1 = val, max1 = this; 770 dprintk(("msp3400: carrier1 val: %5d / %s\n", val, 771 cd[this].name)); 772 } 773 774 /* carrier detect pass #2 -- second (stereo) carrier */ 775 switch (max1) { 776 case 1: /* 5.5 */ 777 cd = carrier_detect_55; count = CARRIER_COUNT(carrier_detect_55); 778 break; 779 case 3: /* 6.5 */ 780 cd = carrier_detect_65; count = CARRIER_COUNT(carrier_detect_65); 781 break; 782 case 0: /* 4.5 */ 783 case 2: /* 6.0 */ 784 default: 785 cd = NULL; count = 0; 786 break; 787 } 788 789 if (client->amsound && (msp->norm == VIDEO_MODE_SECAM)) { 790 /* autodetect doesn't work well with AM ... */ 791 cd = NULL; count = 0; max2 = 0; 792 } 793 for (this = 0; this < count; this++) { 794 msp3400c_setcarrier(client, cd[this].cdo,cd[this].cdo); 795 796 tsleep(msp->kthread, 0, "carrier detection", hz/100); 797 if (msp->restart) 798 goto restart; 799 800 val = msp3400c_read(client, I2C_MSP3400C_DFP, 0x1b); 801 if (val > 32767) 802 val -= 65536; 803 if (val2 < val) 804 val2 = val, max2 = this; 805 dprintk(("msp3400: carrier2 val: %5d / %s\n", val, 806 cd[this].name)); 807 } 808 809 /* programm the msp3400 according to the results */ 810 msp->main = carrier_detect_main[max1].cdo; 811 switch (max1) { 812 case 1: /* 5.5 */ 813 if (max2 == 0) { 814 /* B/G FM-stereo */ 815 msp->second = carrier_detect_55[max2].cdo; 816 msp3400c_setmode(client, MSP_MODE_FM_TERRA); 817 msp->nicam_on = 0; 818 /* XXX why mono? this probably can do stereo... - Alex*/ 819 msp3400c_setstereo(client, VIDEO_SOUND_MONO); 820 msp->watch_stereo = 1; 821 } else if (max2 == 1 && msp->nicam) { 822 /* B/G NICAM */ 823 msp->second = carrier_detect_55[max2].cdo; 824 msp3400c_setmode(client, MSP_MODE_FM_NICAM1); 825 msp->nicam_on = 1; 826 msp3400c_setcarrier(client, msp->second, msp->main); 827 msp->watch_stereo = 1; 828 } else { 829 goto no_second; 830 } 831 break; 832 case 2: /* 6.0 */ 833 /* PAL I NICAM */ 834 msp->second = MSP_CARRIER(6.552); 835 msp3400c_setmode(client, MSP_MODE_FM_NICAM2); 836 msp->nicam_on = 1; 837 msp3400c_setcarrier(client, msp->second, msp->main); 838 msp->watch_stereo = 1; 839 break; 840 case 3: /* 6.5 */ 841 if (max2 == 1 || max2 == 2) { 842 /* D/K FM-stereo */ 843 msp->second = carrier_detect_65[max2].cdo; 844 msp3400c_setmode(client, MSP_MODE_FM_TERRA); 845 msp->nicam_on = 0; 846 msp3400c_setstereo(client, VIDEO_SOUND_MONO); 847 msp->watch_stereo = 1; 848 } else if (max2 == 0 && 849 msp->norm == VIDEO_MODE_SECAM) { 850 /* L NICAM or AM-mono */ 851 msp->second = carrier_detect_65[max2].cdo; 852 msp3400c_setmode(client, MSP_MODE_AM_NICAM); 853 msp->nicam_on = 0; 854 msp3400c_setstereo(client, VIDEO_SOUND_MONO); 855 msp3400c_setcarrier(client, msp->second, msp->main); 856 /* volume prescale for SCART (AM mono input) */ 857 msp3400c_write(client,I2C_MSP3400C_DFP, 0x000d, 0x1900); 858 msp->watch_stereo = 1; 859 } else if (max2 == 0 && msp->nicam) { 860 /* D/K NICAM */ 861 msp->second = carrier_detect_65[max2].cdo; 862 msp3400c_setmode(client, MSP_MODE_FM_NICAM1); 863 msp->nicam_on = 1; 864 msp3400c_setcarrier(client, msp->second, msp->main); 865 msp->watch_stereo = 1; 866 } else { 867 goto no_second; 868 } 869 break; 870 case 0: /* 4.5 */ 871 default: 872 no_second: 873 msp->second = carrier_detect_main[max1].cdo; 874 msp3400c_setmode(client, MSP_MODE_FM_TERRA); 875 msp->nicam_on = 0; 876 msp3400c_setcarrier(client, msp->second, msp->main); 877 msp->stereo = VIDEO_SOUND_MONO; 878 msp3400c_setstereo(client, VIDEO_SOUND_MONO); 879 break; 880 } 881 882 if (msp->watch_stereo) 883 watch_stereo(client); 884 885 /* unmute + restore dfp registers */ 886 msp3400c_setvolume(client, msp->muted, msp->left, msp->right); 887 msp3400c_restore_dfp(client); 888 889 if (bootverbose) 890 msp3400c_print_mode(msp); 891 892 msp->active = 0; 893 } 894 895 done: 896 dprintk(("msp3400: thread: exit\n")); 897 msp->active = 0; 898 899 msp->kthread = NULL; 900 wakeup(&msp->kthread); 901 rel_mplock(); 902 } 903 904 /* ----------------------------------------------------------------------- */ 905 /* this one uses the automatic sound standard detection of newer */ 906 /* msp34xx chip versions */ 907 908 static struct MODES { 909 int retval; 910 int main, second; 911 char *name; 912 } modelist[] = { 913 { 0x0000, 0, 0, "ERROR" }, 914 { 0x0001, 0, 0, "autodetect start" }, 915 { 0x0002, MSP_CARRIER(4.5), MSP_CARRIER(4.72), "4.5/4.72 M Dual FM-Stereo" }, 916 { 0x0003, MSP_CARRIER(5.5), MSP_CARRIER(5.7421875), "5.5/5.74 B/G Dual FM-Stereo" }, 917 { 0x0004, MSP_CARRIER(6.5), MSP_CARRIER(6.2578125), "6.5/6.25 D/K1 Dual FM-Stereo" }, 918 { 0x0005, MSP_CARRIER(6.5), MSP_CARRIER(6.7421875), "6.5/6.74 D/K2 Dual FM-Stereo" }, 919 { 0x0006, MSP_CARRIER(6.5), MSP_CARRIER(6.5), "6.5 D/K FM-Mono (HDEV3)" }, 920 { 0x0008, MSP_CARRIER(5.5), MSP_CARRIER(5.85), "5.5/5.85 B/G NICAM FM" }, 921 { 0x0009, MSP_CARRIER(6.5), MSP_CARRIER(5.85), "6.5/5.85 L NICAM AM" }, 922 { 0x000a, MSP_CARRIER(6.0), MSP_CARRIER(6.55), "6.0/6.55 I NICAM FM" }, 923 { 0x000b, MSP_CARRIER(6.5), MSP_CARRIER(5.85), "6.5/5.85 D/K NICAM FM" }, 924 { 0x000c, MSP_CARRIER(6.5), MSP_CARRIER(5.85), "6.5/5.85 D/K NICAM FM (HDEV2)" }, 925 { 0x0020, MSP_CARRIER(4.5), MSP_CARRIER(4.5), "4.5 M BTSC-Stereo" }, 926 { 0x0021, MSP_CARRIER(4.5), MSP_CARRIER(4.5), "4.5 M BTSC-Mono + SAP" }, 927 { 0x0030, MSP_CARRIER(4.5), MSP_CARRIER(4.5), "4.5 M EIA-J Japan Stereo" }, 928 { 0x0040, MSP_CARRIER(10.7), MSP_CARRIER(10.7), "10.7 FM-Stereo Radio" }, 929 { 0x0050, MSP_CARRIER(6.5), MSP_CARRIER(6.5), "6.5 SAT-Mono" }, 930 { 0x0051, MSP_CARRIER(7.02), MSP_CARRIER(7.20), "7.02/7.20 SAT-Stereo" }, 931 { 0x0060, MSP_CARRIER(7.2), MSP_CARRIER(7.2), "7.2 SAT ADR" }, 932 { -1, 0, 0, NULL }, /* EOF */ 933 }; 934 935 static void msp3410d_thread(void *data) 936 { 937 bktr_ptr_t client = data; 938 struct msp3400c *msp = (struct msp3400c*)client->msp3400c_info; 939 int mode,val,i,std; 940 int timo = 0; 941 942 get_mplock(); 943 dprintk(("msp3410: thread started\n")); 944 945 for (;;) { 946 if (msp->rmmod) 947 goto done; 948 if (!msp->watch_stereo) 949 timo = 0; 950 else 951 timo = 10*hz; 952 tsleep(msp->kthread, 0, "idle", timo); 953 if (msp->rmmod) 954 goto done; 955 if (msp->halt_thread) { 956 msp->watch_stereo = 0; 957 msp->halt_thread = 0; 958 dprintk(("msp3410: thread halted\n")); 959 continue; 960 } 961 962 if (msp->mode == MSP_MODE_EXTERN) 963 continue; 964 965 msp->active = 1; 966 967 if (msp->watch_stereo) { 968 watch_stereo(client); 969 msp->active = 0; 970 continue; 971 } 972 973 /* some time for the tuner to sync */ 974 tsleep(msp->kthread, 0, "tuner sync", hz/2); 975 976 restart: 977 if (msp->mode == MSP_MODE_EXTERN) 978 continue; 979 msp->restart = 0; 980 msp->watch_stereo = 0; 981 982 /* put into sane state (and mute) */ 983 msp3400c_reset(client); 984 985 /* start autodetect */ 986 switch (msp->norm) { 987 case VIDEO_MODE_PAL: 988 mode = 0x1003; 989 std = 1; 990 break; 991 case VIDEO_MODE_NTSC: /* BTSC */ 992 mode = 0x2003; 993 std = 0x0020; 994 break; 995 case VIDEO_MODE_SECAM: 996 mode = 0x0003; 997 std = 1; 998 break; 999 case VIDEO_MODE_RADIO: 1000 mode = 0x0003; 1001 std = 0x0040; 1002 break; 1003 default: 1004 mode = 0x0003; 1005 std = 1; 1006 break; 1007 } 1008 msp3400c_write(client, I2C_MSP3400C_DEM, 0x30, mode); 1009 msp3400c_write(client, I2C_MSP3400C_DEM, 0x20, std); 1010 1011 if (bootverbose) { 1012 int i; 1013 for (i = 0; modelist[i].name != NULL; i++) 1014 if (modelist[i].retval == std) 1015 break; 1016 dprintk(("msp3410: setting mode: %s (0x%04x)\n", 1017 modelist[i].name ? modelist[i].name : "unknown", 1018 std)); 1019 } 1020 1021 if (std != 1) { 1022 /* programmed some specific mode */ 1023 val = std; 1024 } else { 1025 /* triggered autodetect */ 1026 for (;;) { 1027 tsleep(msp->kthread, 0, "autodetection", hz/10); 1028 if (msp->restart) 1029 goto restart; 1030 1031 /* check results */ 1032 val = msp3400c_read(client, I2C_MSP3400C_DEM, 0x7e); 1033 if (val < 0x07ff) 1034 break; 1035 dprintk(("msp3410: detection still in progress\n")); 1036 } 1037 } 1038 for (i = 0; modelist[i].name != NULL; i++) 1039 if (modelist[i].retval == val) 1040 break; 1041 dprintk(("msp3410: current mode: %s (0x%04x)\n", 1042 modelist[i].name ? modelist[i].name : "unknown", 1043 val)); 1044 msp->main = modelist[i].main; 1045 msp->second = modelist[i].second; 1046 1047 if (client->amsound && (msp->norm == VIDEO_MODE_SECAM) && (val != 0x0009)) { 1048 /* autodetection has failed, let backup */ 1049 dprintk(("msp3410: autodetection failed, switching to backup mode: %s (0x%04x)\n", 1050 modelist[8].name ? modelist[8].name : "unknown",val)); 1051 val = 0x0009; 1052 msp3400c_write(client, I2C_MSP3400C_DEM, 0x20, val); 1053 } 1054 1055 /* set various prescales */ 1056 msp3400c_write(client, I2C_MSP3400C_DFP, 0x0d, 0x1900); /* scart */ 1057 msp3400c_write(client, I2C_MSP3400C_DFP, 0x0e, 0x2403); /* FM */ 1058 msp3400c_write(client, I2C_MSP3400C_DFP, 0x10, 0x5a00); /* nicam */ 1059 1060 /* set stereo */ 1061 switch (val) { 1062 case 0x0008: /* B/G NICAM */ 1063 case 0x000a: /* I NICAM */ 1064 if (val == 0x0008) 1065 msp->mode = MSP_MODE_FM_NICAM1; 1066 else 1067 msp->mode = MSP_MODE_FM_NICAM2; 1068 /* just turn on stereo */ 1069 msp->stereo = VIDEO_SOUND_STEREO; 1070 msp->nicam_on = 1; 1071 msp->watch_stereo = 1; 1072 msp3400c_setstereo(client,VIDEO_SOUND_STEREO); 1073 break; 1074 case 0x0009: 1075 msp->mode = MSP_MODE_AM_NICAM; 1076 msp->stereo = VIDEO_SOUND_MONO; 1077 msp->nicam_on = 1; 1078 msp3400c_setstereo(client,VIDEO_SOUND_MONO); 1079 msp->watch_stereo = 1; 1080 break; 1081 case 0x0020: /* BTSC */ 1082 /* just turn on stereo */ 1083 msp->mode = MSP_MODE_BTSC; 1084 msp->stereo = VIDEO_SOUND_STEREO; 1085 msp->nicam_on = 0; 1086 msp->watch_stereo = 1; 1087 msp3400c_setstereo(client,VIDEO_SOUND_STEREO); 1088 break; 1089 case 0x0040: /* FM radio */ 1090 msp->mode = MSP_MODE_FM_RADIO; 1091 msp->stereo = VIDEO_SOUND_STEREO; 1092 msp->nicam_on = 0; 1093 msp->watch_stereo = 0; 1094 /* scart routing */ 1095 msp3400c_set_scart(client,SCART_IN2,0); 1096 msp3400c_write(client,I2C_MSP3400C_DFP, 0x08, 0x0220); 1097 msp3400c_write(client,I2C_MSP3400C_DFP, 0x09, 0x0220); 1098 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0b, 0x0220); 1099 break; 1100 case 0x0003: 1101 msp->mode = MSP_MODE_FM_TERRA; 1102 msp->stereo = VIDEO_SOUND_STEREO; 1103 msp->nicam_on = 0; 1104 msp->watch_stereo = 1; 1105 msp3400c_setstereo(client,VIDEO_SOUND_STEREO); 1106 break; 1107 } 1108 1109 if (msp->watch_stereo) 1110 watch_stereo(client); 1111 1112 /* unmute + restore dfp registers */ 1113 msp3400c_setbass(client, msp->bass); 1114 msp3400c_settreble(client, msp->treble); 1115 msp3400c_setvolume(client, msp->muted, msp->left, msp->right); 1116 msp3400c_restore_dfp(client); 1117 1118 msp->active = 0; 1119 } 1120 1121 done: 1122 dprintk(("msp3410: thread: exit\n")); 1123 msp->active = 0; 1124 1125 msp->kthread = NULL; 1126 wakeup(&msp->kthread); 1127 1128 rel_mplock(); 1129 } 1130 1131 int msp_attach(bktr_ptr_t bktr) 1132 { 1133 struct msp3400c *msp; 1134 int rev1,rev2,i; 1135 int err; 1136 char buf[20]; 1137 1138 msp = (struct msp3400c *) kmalloc(sizeof(struct msp3400c), M_DEVBUF, M_NOWAIT); 1139 if (msp == NULL) 1140 return ENOMEM; 1141 bktr->msp3400c_info = msp; 1142 1143 memset(msp,0,sizeof(struct msp3400c)); 1144 msp->left = 65535; 1145 msp->right = 65535; 1146 msp->bass = 32768; 1147 msp->treble = 32768; 1148 msp->input = -1; 1149 1150 for (i = 0; i < DFP_COUNT; i++) 1151 msp->dfp_regs[i] = -1; 1152 1153 msp3400c_reset(bktr); 1154 1155 rev1 = msp3400c_read(bktr, I2C_MSP3400C_DFP, 0x1e); 1156 if (-1 != rev1) 1157 rev2 = msp3400c_read(bktr, I2C_MSP3400C_DFP, 0x1f); 1158 if ((-1 == rev1) || (0 == rev1 && 0 == rev2)) { 1159 kfree(msp, M_DEVBUF); 1160 bktr->msp3400c_info = NULL; 1161 kprintf("%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 ksprintf(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 kprintf("%s: msp34xx: init: chip=%s", bktr_name(bktr), buf); 1186 if (msp->nicam) 1187 kprintf(", has NICAM support"); 1188 kprintf("\n"); 1189 } 1190 1191 /* startup control thread */ 1192 err = kthread_create(msp->simple ? msp3410d_thread : msp3400c_thread, 1193 bktr, &msp->kthread, "%s_msp34xx_thread", bktr->bktr_xname); 1194 if (err) { 1195 kprintf("%s: Error returned by kthread_create: %d", bktr_name(bktr), err); 1196 kfree(msp, M_DEVBUF); 1197 bktr->msp3400c_info = NULL; 1198 return ENXIO; 1199 } 1200 wakeup(msp->kthread); 1201 1202 /* done */ 1203 return 0; 1204 } 1205 1206 int msp_detach(bktr_ptr_t client) 1207 { 1208 struct msp3400c *msp = (struct msp3400c*)client->msp3400c_info; 1209 1210 /* shutdown control thread */ 1211 if (msp->kthread) 1212 { 1213 /* XXX mutex lock required */ 1214 msp->rmmod = 1; 1215 msp->watch_stereo = 0; 1216 wakeup(msp->kthread); 1217 1218 while (msp->kthread) 1219 tsleep(&msp->kthread, 0, "wait for kthread", hz/10); 1220 } 1221 1222 if (client->msp3400c_info != NULL) { 1223 kfree(client->msp3400c_info, M_DEVBUF); 1224 client->msp3400c_info = NULL; 1225 } 1226 1227 msp3400c_reset(client); 1228 1229 return 0; 1230 } 1231 1232 void msp_wake_thread(bktr_ptr_t client) 1233 { 1234 struct msp3400c *msp = (struct msp3400c*)client->msp3400c_info; 1235 1236 msp3400c_setvolume(client,msp->muted,0,0); 1237 msp->watch_stereo=0; 1238 if (msp->active) 1239 msp->restart = 1; 1240 wakeup(msp->kthread); 1241 } 1242 1243 void msp_halt_thread(bktr_ptr_t client) 1244 { 1245 struct msp3400c *msp = (struct msp3400c*)client->msp3400c_info; 1246 1247 msp3400c_setvolume(client,msp->muted,0,0); 1248 if (msp->active) 1249 msp->restart = 1; 1250 msp->halt_thread = 1; 1251 wakeup(msp->kthread); 1252 } 1253 #endif /* BKTR_NEW_MSP34XX_DRIVER */ 1254