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sys/dev/video/bktr/msp34xx.c
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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 static const int bl_dfp[] = { 109 0x00, 0x01, 0x02, 0x03, 0x06, 0x08, 0x09, 0x0a, 110 0x0b, 0x0d, 0x0e, 0x10 111 }; 112 113 struct msp3400c { 114 int simple; 115 int nicam; 116 int mode; 117 int norm; 118 int stereo; 119 int nicam_on; 120 int acb; 121 int main, second; /* sound carrier */ 122 int input; 123 124 int muted; 125 int left, right; /* volume */ 126 int bass, treble; 127 128 /* shadow register set */ 129 int dfp_regs[DFP_COUNT]; 130 131 /* thread */ 132 struct thread *kthread; 133 134 int active,restart,rmmod; 135 136 int watch_stereo; 137 int halt_thread; 138 }; 139 140 #define VIDEO_MODE_RADIO 16 /* norm magic for radio mode */ 141 142 /* ---------------------------------------------------------------------- */ 143 144 #define dprintk(args) do { \ 145 if (bootverbose) { \ 146 kprintf("%s: ", bktr_name(client)); \ 147 kprintf args; \ 148 } \ 149 } while (0) 150 151 /* ---------------------------------------------------------------------- */ 152 153 #define I2C_MSP3400C 0x80 154 #define I2C_MSP3400C_DEM 0x10 155 #define I2C_MSP3400C_DFP 0x12 156 157 /* ----------------------------------------------------------------------- */ 158 /* functions for talking to the MSP3400C Sound processor */ 159 160 static int msp3400c_reset(bktr_ptr_t client) 161 { 162 /* use our own which handles config(8) options */ 163 msp_dpl_reset(client, client->msp_addr); 164 165 return 0; 166 } 167 168 static int 169 msp3400c_read(bktr_ptr_t client, int dev, int addr) 170 { 171 /* use our own */ 172 return(msp_dpl_read(client, client->msp_addr, dev, addr)); 173 } 174 175 static int 176 msp3400c_write(bktr_ptr_t client, int dev, int addr, int val) 177 { 178 /* use our own */ 179 msp_dpl_write(client, client->msp_addr, dev, addr, val); 180 181 return(0); 182 } 183 184 /* ------------------------------------------------------------------------ */ 185 186 /* This macro is allowed for *constants* only, gcc must calculate it 187 at compile time. Remember -- no floats in kernel mode */ 188 #define MSP_CARRIER(freq) ((int)((float)(freq/18.432)*(1<<24))) 189 190 #define MSP_MODE_AM_DETECT 0 191 #define MSP_MODE_FM_RADIO 2 192 #define MSP_MODE_FM_TERRA 3 193 #define MSP_MODE_FM_SAT 4 194 #define MSP_MODE_FM_NICAM1 5 195 #define MSP_MODE_FM_NICAM2 6 196 #define MSP_MODE_AM_NICAM 7 197 #define MSP_MODE_BTSC 8 198 #define MSP_MODE_EXTERN 9 199 200 static struct MSP_INIT_DATA_DEM { 201 int fir1[6]; 202 int fir2[6]; 203 int cdo1; 204 int cdo2; 205 int ad_cv; 206 int mode_reg; 207 int dfp_src; 208 int dfp_matrix; 209 } msp_init_data[] = { 210 /* AM (for carrier detect / msp3400) */ 211 { { 75, 19, 36, 35, 39, 40 }, { 75, 19, 36, 35, 39, 40 }, 212 MSP_CARRIER(5.5), MSP_CARRIER(5.5), 213 0x00d0, 0x0500, 0x0020, 0x3000}, 214 215 /* AM (for carrier detect / msp3410) */ 216 { { -1, -1, -8, 2, 59, 126 }, { -1, -1, -8, 2, 59, 126 }, 217 MSP_CARRIER(5.5), MSP_CARRIER(5.5), 218 0x00d0, 0x0100, 0x0020, 0x3000}, 219 220 /* FM Radio */ 221 { { -8, -8, 4, 6, 78, 107 }, { -8, -8, 4, 6, 78, 107 }, 222 MSP_CARRIER(10.7), MSP_CARRIER(10.7), 223 0x00d0, 0x0480, 0x0020, 0x3000 }, 224 225 /* Terrestial FM-mono + FM-stereo */ 226 { { 3, 18, 27, 48, 66, 72 }, { 3, 18, 27, 48, 66, 72 }, 227 MSP_CARRIER(5.5), MSP_CARRIER(5.5), 228 0x00d0, 0x0480, 0x0030, 0x3000}, 229 230 /* Sat FM-mono */ 231 { { 1, 9, 14, 24, 33, 37 }, { 3, 18, 27, 48, 66, 72 }, 232 MSP_CARRIER(6.5), MSP_CARRIER(6.5), 233 0x00c6, 0x0480, 0x0000, 0x3000}, 234 235 /* NICAM/FM -- B/G (5.5/5.85), D/K (6.5/5.85) */ 236 { { -2, -8, -10, 10, 50, 86 }, { 3, 18, 27, 48, 66, 72 }, 237 MSP_CARRIER(5.5), MSP_CARRIER(5.5), 238 0x00d0, 0x0040, 0x0120, 0x3000}, 239 240 /* NICAM/FM -- I (6.0/6.552) */ 241 { { 2, 4, -6, -4, 40, 94 }, { 3, 18, 27, 48, 66, 72 }, 242 MSP_CARRIER(6.0), MSP_CARRIER(6.0), 243 0x00d0, 0x0040, 0x0120, 0x3000}, 244 245 /* NICAM/AM -- L (6.5/5.85) */ 246 { { -2, -8, -10, 10, 50, 86 }, { -4, -12, -9, 23, 79, 126 }, 247 MSP_CARRIER(6.5), MSP_CARRIER(6.5), 248 0x00c6, 0x0140, 0x0120, 0x7c03}, 249 }; 250 251 struct CARRIER_DETECT { 252 int cdo; 253 char *name; 254 }; 255 256 static struct CARRIER_DETECT carrier_detect_main[] = { 257 /* main carrier */ 258 { MSP_CARRIER(4.5), "4.5 NTSC" }, 259 { MSP_CARRIER(5.5), "5.5 PAL B/G" }, 260 { MSP_CARRIER(6.0), "6.0 PAL I" }, 261 { MSP_CARRIER(6.5), "6.5 PAL D/K + SAT + SECAM" } 262 }; 263 264 static struct CARRIER_DETECT carrier_detect_55[] = { 265 /* PAL B/G */ 266 { MSP_CARRIER(5.7421875), "5.742 PAL B/G FM-stereo" }, 267 { MSP_CARRIER(5.85), "5.85 PAL B/G NICAM" } 268 }; 269 270 static struct CARRIER_DETECT carrier_detect_65[] = { 271 /* PAL SAT / SECAM */ 272 { MSP_CARRIER(5.85), "5.85 PAL D/K + SECAM NICAM" }, 273 { MSP_CARRIER(6.2578125), "6.25 PAL D/K1 FM-stereo" }, 274 { MSP_CARRIER(6.7421875), "6.74 PAL D/K2 FM-stereo" }, 275 { MSP_CARRIER(7.02), "7.02 PAL SAT FM-stereo s/b" }, 276 { MSP_CARRIER(7.20), "7.20 PAL SAT FM-stereo s" }, 277 { MSP_CARRIER(7.38), "7.38 PAL SAT FM-stereo b" }, 278 }; 279 280 #define CARRIER_COUNT(x) (sizeof(x)/sizeof(struct CARRIER_DETECT)) 281 282 /* ----------------------------------------------------------------------- */ 283 284 #define SCART_MASK 0 285 #define SCART_IN1 1 286 #define SCART_IN2 2 287 #define SCART_IN1_DA 3 288 #define SCART_IN2_DA 4 289 #define SCART_IN3 5 290 #define SCART_IN4 6 291 #define SCART_MONO 7 292 #define SCART_MUTE 8 293 294 static int scarts[3][9] = { 295 /* MASK IN1 IN2 IN1_DA IN2_DA IN3 IN4 MONO MUTE */ 296 { 0x0320, 0x0000, 0x0200, -1, -1, 0x0300, 0x0020, 0x0100, 0x0320 }, 297 { 0x0c40, 0x0440, 0x0400, 0x0c00, 0x0040, 0x0000, 0x0840, 0x0800, 0x0c40 }, 298 { 0x3080, 0x1000, 0x1080, 0x0000, 0x0080, 0x2080, 0x3080, 0x2000, 0x3000 }, 299 }; 300 301 static char *scart_names[] = { 302 "mask", "in1", "in2", "in1 da", "in2 da", "in3", "in4", "mono", "mute" 303 }; 304 305 static void 306 msp3400c_set_scart(bktr_ptr_t client, int in, int out) 307 { 308 struct msp3400c *msp = client->msp3400c_info; 309 310 if (-1 == scarts[out][in]) 311 return; 312 313 dprintk(("msp34xx: scart switch: %s => %d\n", scart_names[in], out)); 314 msp->acb &= ~scarts[out][SCART_MASK]; 315 msp->acb |= scarts[out][in]; 316 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0013, msp->acb); 317 } 318 319 /* ------------------------------------------------------------------------ */ 320 321 static void msp3400c_setcarrier(bktr_ptr_t client, int cdo1, int cdo2) 322 { 323 msp3400c_write(client,I2C_MSP3400C_DEM, 0x0093, cdo1 & 0xfff); 324 msp3400c_write(client,I2C_MSP3400C_DEM, 0x009b, cdo1 >> 12); 325 msp3400c_write(client,I2C_MSP3400C_DEM, 0x00a3, cdo2 & 0xfff); 326 msp3400c_write(client,I2C_MSP3400C_DEM, 0x00ab, cdo2 >> 12); 327 msp3400c_write(client,I2C_MSP3400C_DEM, 0x0056, 0); /*LOAD_REG_1/2*/ 328 } 329 330 static void msp3400c_setvolume(bktr_ptr_t client, 331 int muted, int left, int right) 332 { 333 int vol = 0,val = 0,balance = 0; 334 335 if (!muted) { 336 vol = (left > right) ? left : right; 337 val = (vol * 0x73 / 65535) << 8; 338 } 339 if (vol > 0) { 340 balance = ((right-left) * 127) / vol; 341 } 342 343 dprintk(("msp34xx: setvolume: mute=%s %d:%d v=0x%02x b=0x%02x\n", 344 muted ? "on" : "off", left, right, val>>8, balance)); 345 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0000, val); /* loudspeaker */ 346 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0006, val); /* headphones */ 347 /* scart - on/off only */ 348 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0007, val ? 0x4000 : 0); 349 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0001, balance << 8); 350 } 351 352 static void msp3400c_setbass(bktr_ptr_t client, int bass) 353 { 354 int val = ((bass-32768) * 0x60 / 65535) << 8; 355 356 dprintk(("msp34xx: setbass: %d 0x%02x\n",bass, val>>8)); 357 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0002, val); /* loudspeaker */ 358 } 359 360 static void msp3400c_settreble(bktr_ptr_t client, int treble) 361 { 362 int val = ((treble-32768) * 0x60 / 65535) << 8; 363 364 dprintk(("msp34xx: settreble: %d 0x%02x\n",treble, val>>8)); 365 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0003, val); /* loudspeaker */ 366 } 367 368 static void msp3400c_setmode(bktr_ptr_t client, int type) 369 { 370 struct msp3400c *msp = client->msp3400c_info; 371 int i; 372 373 dprintk(("msp3400: setmode: %d\n",type)); 374 msp->mode = type; 375 msp->stereo = VIDEO_SOUND_MONO; 376 377 msp3400c_write(client,I2C_MSP3400C_DEM, 0x00bb, /* ad_cv */ 378 msp_init_data[type].ad_cv); 379 380 for (i = 5; i >= 0; i--) /* fir 1 */ 381 msp3400c_write(client,I2C_MSP3400C_DEM, 0x0001, 382 msp_init_data[type].fir1[i]); 383 384 msp3400c_write(client,I2C_MSP3400C_DEM, 0x0005, 0x0004); /* fir 2 */ 385 msp3400c_write(client,I2C_MSP3400C_DEM, 0x0005, 0x0040); 386 msp3400c_write(client,I2C_MSP3400C_DEM, 0x0005, 0x0000); 387 for (i = 5; i >= 0; i--) 388 msp3400c_write(client,I2C_MSP3400C_DEM, 0x0005, 389 msp_init_data[type].fir2[i]); 390 391 msp3400c_write(client,I2C_MSP3400C_DEM, 0x0083, /* MODE_REG */ 392 msp_init_data[type].mode_reg); 393 394 msp3400c_setcarrier(client, msp_init_data[type].cdo1, 395 msp_init_data[type].cdo2); 396 397 msp3400c_write(client,I2C_MSP3400C_DEM, 0x0056, 0); /*LOAD_REG_1/2*/ 398 399 if (client->dolby) { 400 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0008, 401 0x0520); /* I2S1 */ 402 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0009, 403 0x0620); /* I2S2 */ 404 msp3400c_write(client,I2C_MSP3400C_DFP, 0x000b, 405 msp_init_data[type].dfp_src); 406 } else { 407 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0008, 408 msp_init_data[type].dfp_src); 409 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0009, 410 msp_init_data[type].dfp_src); 411 msp3400c_write(client,I2C_MSP3400C_DFP, 0x000b, 412 msp_init_data[type].dfp_src); 413 } 414 msp3400c_write(client,I2C_MSP3400C_DFP, 0x000a, 415 msp_init_data[type].dfp_src); 416 msp3400c_write(client,I2C_MSP3400C_DFP, 0x000e, 417 msp_init_data[type].dfp_matrix); 418 419 if (msp->nicam) { 420 /* nicam prescale */ 421 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0010, 0x5a00); /* was: 0x3000 */ 422 } 423 } 424 425 /* turn on/off nicam + stereo */ 426 static void msp3400c_setstereo(bktr_ptr_t client, int mode) 427 { 428 static char *strmode[] = { "", "mono", "stereo", "3", 429 "lang1", "5", "6", "7", "lang2" }; 430 struct msp3400c *msp = client->msp3400c_info; 431 int nicam=0; /* channel source: FM/AM or nicam */ 432 int src=0; 433 434 /* switch demodulator */ 435 switch (msp->mode) { 436 case MSP_MODE_FM_TERRA: 437 dprintk(("msp3400: FM setstereo: %s\n",strmode[mode])); 438 msp3400c_setcarrier(client,msp->second,msp->main); 439 switch (mode) { 440 case VIDEO_SOUND_STEREO: 441 msp3400c_write(client,I2C_MSP3400C_DFP, 0x000e, 0x3001); 442 break; 443 case VIDEO_SOUND_MONO: 444 case VIDEO_SOUND_LANG1: 445 case VIDEO_SOUND_LANG2: 446 msp3400c_write(client,I2C_MSP3400C_DFP, 0x000e, 0x3000); 447 break; 448 } 449 break; 450 case MSP_MODE_FM_SAT: 451 dprintk(("msp3400: SAT setstereo: %s\n",strmode[mode])); 452 switch (mode) { 453 case VIDEO_SOUND_MONO: 454 msp3400c_setcarrier(client, MSP_CARRIER(6.5), MSP_CARRIER(6.5)); 455 break; 456 case VIDEO_SOUND_STEREO: 457 msp3400c_setcarrier(client, MSP_CARRIER(7.2), MSP_CARRIER(7.02)); 458 break; 459 case VIDEO_SOUND_LANG1: 460 msp3400c_setcarrier(client, MSP_CARRIER(7.38), MSP_CARRIER(7.02)); 461 break; 462 case VIDEO_SOUND_LANG2: 463 msp3400c_setcarrier(client, MSP_CARRIER(7.38), MSP_CARRIER(7.02)); 464 break; 465 } 466 break; 467 case MSP_MODE_FM_NICAM1: 468 case MSP_MODE_FM_NICAM2: 469 case MSP_MODE_AM_NICAM: 470 dprintk(("msp3400: NICAM setstereo: %s\n",strmode[mode])); 471 msp3400c_setcarrier(client,msp->second,msp->main); 472 if (msp->nicam_on) 473 nicam=0x0100; 474 break; 475 case MSP_MODE_BTSC: 476 dprintk(("msp3400: BTSC setstereo: %s\n",strmode[mode])); 477 nicam=0x0300; 478 break; 479 case MSP_MODE_EXTERN: 480 dprintk(("msp3400: extern setstereo: %s\n",strmode[mode])); 481 nicam = 0x0200; 482 break; 483 case MSP_MODE_FM_RADIO: 484 dprintk(("msp3400: FM-Radio setstereo: %s\n",strmode[mode])); 485 break; 486 default: 487 dprintk(("msp3400: mono setstereo\n")); 488 return; 489 } 490 491 /* switch audio */ 492 switch (mode) { 493 case VIDEO_SOUND_STEREO: 494 src = 0x0020 | nicam; 495 #if 0 496 /* spatial effect */ 497 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0005,0x4000); 498 #endif 499 break; 500 case VIDEO_SOUND_MONO: 501 if (msp->mode == MSP_MODE_AM_NICAM) { 502 dprintk(("msp3400: switching to AM mono\n")); 503 /* AM mono decoding is handled by tuner, not MSP chip */ 504 /* SCART switching control register */ 505 msp3400c_set_scart(client,SCART_MONO,0); 506 src = 0x0200; 507 break; 508 } 509 case VIDEO_SOUND_LANG1: 510 src = 0x0000 | nicam; 511 break; 512 case VIDEO_SOUND_LANG2: 513 src = 0x0010 | nicam; 514 break; 515 } 516 dprintk(("msp3400: setstereo final source/matrix = 0x%x\n", src)); 517 518 if (client->dolby) { 519 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0008,0x0520); 520 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0009,0x0620); 521 msp3400c_write(client,I2C_MSP3400C_DFP, 0x000a,src); 522 msp3400c_write(client,I2C_MSP3400C_DFP, 0x000b,src); 523 } else { 524 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0008,src); 525 msp3400c_write(client,I2C_MSP3400C_DFP, 0x0009,src); 526 msp3400c_write(client,I2C_MSP3400C_DFP, 0x000a,src); 527 msp3400c_write(client,I2C_MSP3400C_DFP, 0x000b,src); 528 } 529 } 530 531 static void 532 msp3400c_print_mode(struct msp3400c *msp) 533 { 534 if (msp->main == msp->second) { 535 kprintf("bktr: msp3400: mono sound carrier: %d.%03d MHz\n", 536 msp->main/910000,(msp->main/910)%1000); 537 } else { 538 kprintf("bktr: msp3400: main sound carrier: %d.%03d MHz\n", 539 msp->main/910000,(msp->main/910)%1000); 540 } 541 if (msp->mode == MSP_MODE_FM_NICAM1 || 542 msp->mode == MSP_MODE_FM_NICAM2) 543 kprintf("bktr: msp3400: NICAM/FM carrier : %d.%03d MHz\n", 544 msp->second/910000,(msp->second/910)%1000); 545 if (msp->mode == MSP_MODE_AM_NICAM) 546 kprintf("bktr: msp3400: NICAM/AM carrier : %d.%03d MHz\n", 547 msp->second/910000,(msp->second/910)%1000); 548 if (msp->mode == MSP_MODE_FM_TERRA && 549 msp->main != msp->second) { 550 kprintf("bktr: msp3400: FM-stereo carrier : %d.%03d MHz\n", 551 msp->second/910000,(msp->second/910)%1000); 552 } 553 } 554 555 static void 556 msp3400c_restore_dfp(bktr_ptr_t client) 557 { 558 struct msp3400c *msp = (struct msp3400c*)client->msp3400c_info; 559 int i; 560 561 for (i = 0; i < DFP_COUNT; i++) { 562 if (-1 == msp->dfp_regs[i]) 563 continue; 564 msp3400c_write(client,I2C_MSP3400C_DFP, i, msp->dfp_regs[i]); 565 } 566 } 567 568 /* ----------------------------------------------------------------------- */ 569 570 struct REGISTER_DUMP { 571 int addr; 572 char *name; 573 }; 574 575 struct REGISTER_DUMP d1[] = { 576 { 0x007e, "autodetect" }, 577 { 0x0023, "C_AD_BITS " }, 578 { 0x0038, "ADD_BITS " }, 579 { 0x003e, "CIB_BITS " }, 580 { 0x0057, "ERROR_RATE" }, 581 }; 582 583 static int 584 autodetect_stereo(bktr_ptr_t client) 585 { 586 struct msp3400c *msp = (struct msp3400c*)client->msp3400c_info; 587 int val; 588 int newstereo = msp->stereo; 589 int newnicam = msp->nicam_on; 590 int update = 0; 591 592 switch (msp->mode) { 593 case MSP_MODE_FM_TERRA: 594 val = msp3400c_read(client, I2C_MSP3400C_DFP, 0x18); 595 if (val > 32767) 596 val -= 65536; 597 dprintk(("msp34xx: stereo detect register: %d\n",val)); 598 599 if (val > 4096) { 600 newstereo = VIDEO_SOUND_STEREO | VIDEO_SOUND_MONO; 601 } else if (val < -4096) { 602 newstereo = VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2; 603 } else { 604 newstereo = VIDEO_SOUND_MONO; 605 } 606 newnicam = 0; 607 break; 608 case MSP_MODE_FM_NICAM1: 609 case MSP_MODE_FM_NICAM2: 610 case MSP_MODE_AM_NICAM: 611 val = msp3400c_read(client, I2C_MSP3400C_DEM, 0x23); 612 dprintk(("msp34xx: nicam sync=%d, mode=%d\n", 613 val & 1, (val & 0x1e) >> 1)); 614 615 if (val & 1) { 616 /* nicam synced */ 617 switch ((val & 0x1e) >> 1) { 618 case 0: 619 case 8: 620 newstereo = VIDEO_SOUND_STEREO; 621 break; 622 case 1: 623 case 9: 624 newstereo = VIDEO_SOUND_MONO 625 | VIDEO_SOUND_LANG1; 626 break; 627 case 2: 628 case 10: 629 newstereo = VIDEO_SOUND_MONO 630 | VIDEO_SOUND_LANG1 631 | VIDEO_SOUND_LANG2; 632 break; 633 default: 634 newstereo = VIDEO_SOUND_MONO; 635 break; 636 } 637 newnicam=1; 638 } else { 639 newnicam = 0; 640 newstereo = VIDEO_SOUND_MONO; 641 } 642 break; 643 case MSP_MODE_BTSC: 644 val = msp3400c_read(client, I2C_MSP3400C_DEM, 0x200); 645 dprintk(("msp3410: status=0x%x (pri=%s, sec=%s, %s%s%s)\n", 646 val, 647 (val & 0x0002) ? "no" : "yes", 648 (val & 0x0004) ? "no" : "yes", 649 (val & 0x0040) ? "stereo" : "mono", 650 (val & 0x0080) ? ", nicam 2nd mono" : "", 651 (val & 0x0100) ? ", bilingual/SAP" : "")); 652 newstereo = VIDEO_SOUND_MONO; 653 if (val & 0x0040) newstereo |= VIDEO_SOUND_STEREO; 654 if (val & 0x0100) newstereo |= VIDEO_SOUND_LANG1; 655 break; 656 } 657 if (newstereo != msp->stereo) { 658 update = 1; 659 dprintk(("msp34xx: watch: stereo %d => %d\n", 660 msp->stereo,newstereo)); 661 msp->stereo = newstereo; 662 } 663 if (newnicam != msp->nicam_on) { 664 update = 1; 665 dprintk(("msp34xx: watch: nicam %d => %d\n", 666 msp->nicam_on,newnicam)); 667 msp->nicam_on = newnicam; 668 } 669 return update; 670 } 671 672 /* 673 * A kernel thread for msp3400 control -- we don't want to block the 674 * in the ioctl while doing the sound carrier & stereo detect 675 */ 676 677 /* stereo/multilang monitoring */ 678 static void watch_stereo(bktr_ptr_t client) 679 { 680 struct msp3400c *msp = (struct msp3400c*)client->msp3400c_info; 681 682 if (autodetect_stereo(client)) { 683 if (msp->stereo & VIDEO_SOUND_STEREO) 684 msp3400c_setstereo(client,VIDEO_SOUND_STEREO); 685 else if (msp->stereo & VIDEO_SOUND_LANG1) 686 msp3400c_setstereo(client,VIDEO_SOUND_LANG1); 687 else 688 msp3400c_setstereo(client,VIDEO_SOUND_MONO); 689 } 690 if (client->stereo_once) 691 msp->watch_stereo = 0; 692 693 } 694 695 static void 696 msp3400c_thread(void *data) 697 { 698 bktr_ptr_t client = data; 699 struct msp3400c *msp = (struct msp3400c*)client->msp3400c_info; 700 struct CARRIER_DETECT *cd; 701 int count, max1,max2,val1,val2, val,this; 702 703 get_mplock(); 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 rel_mplock(); 900 } 901 902 /* ----------------------------------------------------------------------- */ 903 /* this one uses the automatic sound standard detection of newer */ 904 /* msp34xx chip versions */ 905 906 static struct MODES { 907 int retval; 908 int main, second; 909 char *name; 910 } modelist[] = { 911 { 0x0000, 0, 0, "ERROR" }, 912 { 0x0001, 0, 0, "autodetect start" }, 913 { 0x0002, MSP_CARRIER(4.5), MSP_CARRIER(4.72), "4.5/4.72 M Dual FM-Stereo" }, 914 { 0x0003, MSP_CARRIER(5.5), MSP_CARRIER(5.7421875), "5.5/5.74 B/G Dual FM-Stereo" }, 915 { 0x0004, MSP_CARRIER(6.5), MSP_CARRIER(6.2578125), "6.5/6.25 D/K1 Dual FM-Stereo" }, 916 { 0x0005, MSP_CARRIER(6.5), MSP_CARRIER(6.7421875), "6.5/6.74 D/K2 Dual FM-Stereo" }, 917 { 0x0006, MSP_CARRIER(6.5), MSP_CARRIER(6.5), "6.5 D/K FM-Mono (HDEV3)" }, 918 { 0x0008, MSP_CARRIER(5.5), MSP_CARRIER(5.85), "5.5/5.85 B/G NICAM FM" }, 919 { 0x0009, MSP_CARRIER(6.5), MSP_CARRIER(5.85), "6.5/5.85 L NICAM AM" }, 920 { 0x000a, MSP_CARRIER(6.0), MSP_CARRIER(6.55), "6.0/6.55 I NICAM FM" }, 921 { 0x000b, MSP_CARRIER(6.5), MSP_CARRIER(5.85), "6.5/5.85 D/K NICAM FM" }, 922 { 0x000c, MSP_CARRIER(6.5), MSP_CARRIER(5.85), "6.5/5.85 D/K NICAM FM (HDEV2)" }, 923 { 0x0020, MSP_CARRIER(4.5), MSP_CARRIER(4.5), "4.5 M BTSC-Stereo" }, 924 { 0x0021, MSP_CARRIER(4.5), MSP_CARRIER(4.5), "4.5 M BTSC-Mono + SAP" }, 925 { 0x0030, MSP_CARRIER(4.5), MSP_CARRIER(4.5), "4.5 M EIA-J Japan Stereo" }, 926 { 0x0040, MSP_CARRIER(10.7), MSP_CARRIER(10.7), "10.7 FM-Stereo Radio" }, 927 { 0x0050, MSP_CARRIER(6.5), MSP_CARRIER(6.5), "6.5 SAT-Mono" }, 928 { 0x0051, MSP_CARRIER(7.02), MSP_CARRIER(7.20), "7.02/7.20 SAT-Stereo" }, 929 { 0x0060, MSP_CARRIER(7.2), MSP_CARRIER(7.2), "7.2 SAT ADR" }, 930 { -1, 0, 0, NULL }, /* EOF */ 931 }; 932 933 static void msp3410d_thread(void *data) 934 { 935 bktr_ptr_t client = data; 936 struct msp3400c *msp = (struct msp3400c*)client->msp3400c_info; 937 int mode,val,i,std; 938 int timo = 0; 939 940 get_mplock(); 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 rel_mplock(); 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 *) kmalloc(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 1148 for (i = 0; i < DFP_COUNT; i++) 1149 msp->dfp_regs[i] = -1; 1150 1151 msp3400c_reset(bktr); 1152 1153 rev1 = msp3400c_read(bktr, I2C_MSP3400C_DFP, 0x1e); 1154 if (-1 != rev1) 1155 rev2 = msp3400c_read(bktr, I2C_MSP3400C_DFP, 0x1f); 1156 if ((-1 == rev1) || (0 == rev1 && 0 == rev2)) { 1157 kfree(msp, M_DEVBUF); 1158 bktr->msp3400c_info = NULL; 1159 kprintf("%s: msp3400: error while reading chip version\n", bktr_name(bktr)); 1160 return ENXIO; 1161 } 1162 1163 #if 0 1164 /* this will turn on a 1kHz beep - might be useful for debugging... */ 1165 msp3400c_write(bktr,I2C_MSP3400C_DFP, 0x0014, 0x1040); 1166 #endif 1167 1168 ksprintf(buf,"MSP34%02d%c-%c%d", 1169 (rev2>>8)&0xff, (rev1&0xff)+'@', ((rev1>>8)&0xff)+'@', rev2&0x1f); 1170 msp->nicam = (((rev2>>8)&0xff) != 00) ? 1 : 0; 1171 1172 if (bktr->mspsimple == -1) { 1173 /* default mode */ 1174 /* msp->simple = (((rev2>>8)&0xff) == 0) ? 0 : 1; */ 1175 msp->simple = ((rev1&0xff)+'@' > 'C'); 1176 } else { 1177 /* use kenv value */ 1178 msp->simple = bktr->mspsimple; 1179 } 1180 1181 /* hello world :-) */ 1182 if (bootverbose) { 1183 kprintf("%s: msp34xx: init: chip=%s", bktr_name(bktr), buf); 1184 if (msp->nicam) 1185 kprintf(", has NICAM support"); 1186 kprintf("\n"); 1187 } 1188 1189 /* startup control thread */ 1190 err = kthread_create(msp->simple ? msp3410d_thread : msp3400c_thread, 1191 bktr, &msp->kthread, "%s_msp34xx_thread", bktr->bktr_xname); 1192 if (err) { 1193 kprintf("%s: Error returned by kthread_create: %d", bktr_name(bktr), err); 1194 kfree(msp, M_DEVBUF); 1195 bktr->msp3400c_info = NULL; 1196 return ENXIO; 1197 } 1198 wakeup(msp->kthread); 1199 1200 /* done */ 1201 return 0; 1202 } 1203 1204 int msp_detach(bktr_ptr_t client) 1205 { 1206 struct msp3400c *msp = (struct msp3400c*)client->msp3400c_info; 1207 1208 /* shutdown control thread */ 1209 if (msp->kthread) 1210 { 1211 /* XXX mutex lock required */ 1212 msp->rmmod = 1; 1213 msp->watch_stereo = 0; 1214 wakeup(msp->kthread); 1215 1216 while (msp->kthread) 1217 tsleep(&msp->kthread, 0, "wait for kthread", hz/10); 1218 } 1219 1220 if (client->msp3400c_info != NULL) { 1221 kfree(client->msp3400c_info, M_DEVBUF); 1222 client->msp3400c_info = NULL; 1223 } 1224 1225 msp3400c_reset(client); 1226 1227 return 0; 1228 } 1229 1230 void msp_wake_thread(bktr_ptr_t client) 1231 { 1232 struct msp3400c *msp = (struct msp3400c*)client->msp3400c_info; 1233 1234 msp3400c_setvolume(client,msp->muted,0,0); 1235 msp->watch_stereo=0; 1236 if (msp->active) 1237 msp->restart = 1; 1238 wakeup(msp->kthread); 1239 } 1240 1241 void msp_halt_thread(bktr_ptr_t client) 1242 { 1243 struct msp3400c *msp = (struct msp3400c*)client->msp3400c_info; 1244 1245 msp3400c_setvolume(client,msp->muted,0,0); 1246 if (msp->active) 1247 msp->restart = 1; 1248 msp->halt_thread = 1; 1249 wakeup(msp->kthread); 1250 } 1251 #endif /* BKTR_NEW_MSP34XX_DRIVER */
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