| 1 | /* $SourceForge: bktr_audio.c,v 1.6 2003/03/11 23:11:20 thomasklausner Exp $ */ |
| 2 | |
| 3 | /* $NetBSD: bktr_audio.c,v 1.19 2012/12/07 05:56:30 msaitoh Exp $ */ |
| 4 | /* $FreeBSD: src/sys/dev/bktr/bktr_audio.c,v 1.8 2000/10/31 13:09:56 roger Exp$ */ |
| 5 | /* |
| 6 | * This is part of the Driver for Video Capture Cards (Frame grabbers) |
| 7 | * and TV Tuner cards using the Brooktree Bt848, Bt848A, Bt849A, Bt878, Bt879 |
| 8 | * chipset. |
| 9 | * Copyright Roger Hardiman and Amancio Hasty. |
| 10 | * |
| 11 | * bktr_audio : This deals with controlling the audio on TV cards, |
| 12 | * controlling the Audio Multiplexer (audio source selector). |
| 13 | * controlling any MSP34xx stereo audio decoders. |
| 14 | * controlling any DPL35xx dolby surround sound audio decoders. |
| 15 | * initialising TDA98xx audio devices. |
| 16 | * |
| 17 | */ |
| 18 | |
| 19 | /* |
| 20 | * 1. Redistributions of source code must retain the |
| 21 | * Copyright (c) 1997 Amancio Hasty, 1999 Roger Hardiman |
| 22 | * All rights reserved. |
| 23 | * |
| 24 | * Redistribution and use in source and binary forms, with or without |
| 25 | * modification, are permitted provided that the following conditions |
| 26 | * are met: |
| 27 | * 1. Redistributions of source code must retain the above copyright |
| 28 | * notice, this list of conditions and the following disclaimer. |
| 29 | * 2. Redistributions in binary form must reproduce the above copyright |
| 30 | * notice, this list of conditions and the following disclaimer in the |
| 31 | * documentation and/or other materials provided with the distribution. |
| 32 | * 3. All advertising materials mentioning features or use of this software |
| 33 | * must display the following acknowledgement: |
| 34 | * This product includes software developed by Amancio Hasty and |
| 35 | * Roger Hardiman |
| 36 | * 4. The name of the author may not be used to endorse or promote products |
| 37 | * derived from this software without specific prior written permission. |
| 38 | * |
| 39 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 40 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| 41 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| 42 | * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, |
| 43 | * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| 44 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| 45 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 46 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| 47 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
| 48 | * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 49 | * POSSIBILITY OF SUCH DAMAGE. |
| 50 | */ |
| 51 | |
| 52 | #include <sys/param.h> |
| 53 | #include <sys/systm.h> |
| 54 | #include <sys/kernel.h> |
| 55 | #include <sys/vnode.h> |
| 56 | |
| 57 | #ifdef __FreeBSD__ |
| 58 | |
| 59 | #if (__FreeBSD_version < 500000) |
| 60 | #include <machine/clock.h> /* for DELAY */ |
| 61 | #endif |
| 62 | |
| 63 | #include <pci/pcivar.h> |
| 64 | |
| 65 | #if (__FreeBSD_version >=300000) |
| 66 | #include <machine/bus_memio.h> /* for bus space */ |
| 67 | #include <sys/bus.h> |
| 68 | #include <sys/bus.h> |
| 69 | #endif |
| 70 | #endif |
| 71 | |
| 72 | #ifdef __NetBSD__ |
| 73 | #include <sys/cdefs.h> |
| 74 | __KERNEL_RCSID(0, "$NetBSD: bktr_audio.c,v 1.19 2012/12/07 05:56:30 msaitoh Exp $" ); |
| 75 | |
| 76 | #include <sys/proc.h> |
| 77 | #include <dev/ic/bt8xx.h> /* NetBSD location of .h files */ |
| 78 | #include <dev/pci/bktr/bktr_reg.h> |
| 79 | #include <dev/pci/bktr/bktr_core.h> |
| 80 | #include <dev/pci/bktr/bktr_tuner.h> |
| 81 | #include <dev/pci/bktr/bktr_card.h> |
| 82 | #include <dev/pci/bktr/bktr_audio.h> |
| 83 | #else |
| 84 | #include <machine/ioctl_meteor.h> /* Traditional location of .h files */ |
| 85 | #include <machine/ioctl_bt848.h> /* extensions to ioctl_meteor.h */ |
| 86 | #include <dev/bktr/bktr_reg.h> |
| 87 | #include <dev/bktr/bktr_core.h> |
| 88 | #include <dev/bktr/bktr_tuner.h> |
| 89 | #include <dev/bktr/bktr_card.h> |
| 90 | #include <dev/bktr/bktr_audio.h> |
| 91 | #endif |
| 92 | |
| 93 | /* |
| 94 | * Prototypes for the GV_BCTV specific functions. |
| 95 | */ |
| 96 | void set_bctv_audio(bktr_ptr_t bktr); |
| 97 | void bctv_gpio_write(bktr_ptr_t bktr, int port, int val); |
| 98 | /*int bctv_gpio_read(bktr_ptr_t bktr, int port);*/ /* Not used */ |
| 99 | |
| 100 | |
| 101 | |
| 102 | /* |
| 103 | * init_audio_devices |
| 104 | * Reset any MSP34xx or TDA98xx audio devices. |
| 105 | */ |
| 106 | void init_audio_devices(bktr_ptr_t bktr) { |
| 107 | |
| 108 | /* enable stereo if appropriate on TDA audio chip */ |
| 109 | if (bktr->card.dbx) |
| 110 | init_BTSC(bktr); |
| 111 | |
| 112 | /* reset the MSP34xx stereo audio chip */ |
| 113 | if (bktr->card.msp3400c) |
| 114 | msp_dpl_reset(bktr, bktr->msp_addr); |
| 115 | |
| 116 | /* reset the DPL35xx dolby audio chip */ |
| 117 | if (bktr->card.dpl3518a) |
| 118 | msp_dpl_reset(bktr, bktr->dpl_addr); |
| 119 | |
| 120 | } |
| 121 | |
| 122 | |
| 123 | /* |
| 124 | * |
| 125 | */ |
| 126 | #define AUDIOMUX_DISCOVER_NOT |
| 127 | int |
| 128 | set_audio(bktr_ptr_t bktr, int cmd) |
| 129 | { |
| 130 | u_int temp; |
| 131 | volatile u_char idx; |
| 132 | |
| 133 | #if defined(AUDIOMUX_DISCOVER) |
| 134 | if (cmd >= 200) |
| 135 | cmd -= 200; |
| 136 | else |
| 137 | #endif /* AUDIOMUX_DISCOVER */ |
| 138 | |
| 139 | /* check for existence of audio MUXes */ |
| 140 | if (!bktr->card.audiomuxs[4]) |
| 141 | return(-1); |
| 142 | |
| 143 | switch (cmd) { |
| 144 | case AUDIO_TUNER: |
| 145 | #ifdef BKTR_REVERSEMUTE |
| 146 | bktr->audio_mux_select = 3; |
| 147 | #else |
| 148 | bktr->audio_mux_select = 0; |
| 149 | #endif |
| 150 | |
| 151 | if (bktr->reverse_mute) |
| 152 | bktr->audio_mux_select = 0; |
| 153 | else |
| 154 | bktr->audio_mux_select = 3; |
| 155 | |
| 156 | break; |
| 157 | case AUDIO_EXTERN: |
| 158 | bktr->audio_mux_select = 1; |
| 159 | break; |
| 160 | case AUDIO_INTERN: |
| 161 | bktr->audio_mux_select = 2; |
| 162 | break; |
| 163 | case AUDIO_MUTE: |
| 164 | bktr->audio_mute_state = TRUE; /* set mute */ |
| 165 | break; |
| 166 | case AUDIO_UNMUTE: |
| 167 | bktr->audio_mute_state = FALSE; /* clear mute */ |
| 168 | break; |
| 169 | default: |
| 170 | printf("%s: audio cmd error %02x\n" , bktr_name(bktr), |
| 171 | cmd); |
| 172 | return(-1); |
| 173 | } |
| 174 | |
| 175 | |
| 176 | /* Most cards have a simple audio multiplexer to select the |
| 177 | * audio source. The I/O_GV card has a more advanced multiplexer |
| 178 | * and requires special handling. |
| 179 | */ |
| 180 | if (bktr->bt848_card == CARD_IO_GV) { |
| 181 | set_bctv_audio(bktr); |
| 182 | return(0); |
| 183 | } |
| 184 | |
| 185 | /* Proceed with the simpler audio multiplexer code for the majority |
| 186 | * of Bt848 cards. |
| 187 | */ |
| 188 | |
| 189 | /* |
| 190 | * Leave the upper bits of the GPIO port alone in case they control |
| 191 | * something like the dbx or teletext chips. This doesn't guarantee |
| 192 | * success, but follows the rule of least astonishment. |
| 193 | */ |
| 194 | |
| 195 | if (bktr->audio_mute_state == TRUE) { |
| 196 | #ifdef BKTR_REVERSEMUTE |
| 197 | idx = 0; |
| 198 | #else |
| 199 | idx = 3; |
| 200 | #endif |
| 201 | |
| 202 | if (bktr->reverse_mute) |
| 203 | idx = 3; |
| 204 | else |
| 205 | idx = 0; |
| 206 | |
| 207 | } |
| 208 | else |
| 209 | idx = bktr->audio_mux_select; |
| 210 | |
| 211 | |
| 212 | temp = INL(bktr, BKTR_GPIO_DATA) & ~bktr->card.gpio_mux_bits; |
| 213 | #if defined(AUDIOMUX_DISCOVER) |
| 214 | OUTL(bktr, BKTR_GPIO_DATA, temp | (cmd & 0xff)); |
| 215 | printf("%s: cmd: %d audio mux %x temp %x \n" , bktr_name(bktr), |
| 216 | cmd, bktr->card.audiomuxs[idx], temp); |
| 217 | #else |
| 218 | OUTL(bktr, BKTR_GPIO_DATA, temp | bktr->card.audiomuxs[idx]); |
| 219 | #endif /* AUDIOMUX_DISCOVER */ |
| 220 | |
| 221 | |
| 222 | |
| 223 | /* Some new Hauppauge cards do not have an audio mux */ |
| 224 | /* Instead we use the MSP34xx chip to select TV audio, Line-In */ |
| 225 | /* FM Radio and Mute */ |
| 226 | /* Examples of this are the Hauppauge 44xxx MSP34xx models */ |
| 227 | /* It is ok to drive both the mux and the MSP34xx chip. */ |
| 228 | /* If there is no mux, the MSP does the switching of the audio source */ |
| 229 | /* If there is a mux, it does the switching of the audio source */ |
| 230 | |
| 231 | if ((bktr->card.msp3400c) && (bktr->audio_mux_present == 0)) { |
| 232 | |
| 233 | if (bktr->audio_mute_state == TRUE) { |
| 234 | msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0000, 0x0000); /* volume to MUTE */ |
| 235 | } else { |
| 236 | if(bktr->audio_mux_select == 0) { /* TV Tuner */ |
| 237 | msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0000, 0x7300); /* 0 db volume */ |
| 238 | if (bktr->msp_source_selected != 0) msp_autodetect(bktr); /* setup TV audio mode */ |
| 239 | bktr->msp_source_selected = 0; |
| 240 | } |
| 241 | if(bktr->audio_mux_select == 1) { /* Line In */ |
| 242 | msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0000, 0x7300); /* 0 db volume */ |
| 243 | msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x000d, 0x1900); /* scart prescale */ |
| 244 | msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0008, 0x0220); /* SCART | STEREO */ |
| 245 | msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0013, 0x0000); /* DSP In = SC1_IN_L/R */ |
| 246 | bktr->msp_source_selected = 1; |
| 247 | } |
| 248 | |
| 249 | if(bktr->audio_mux_select == 2) { /* FM Radio */ |
| 250 | msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0000, 0x7300); /* 0 db volume */ |
| 251 | msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x000d, 0x1900); /* scart prescale */ |
| 252 | msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0008, 0x0220); /* SCART | STEREO */ |
| 253 | msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0013, 0x0200); /* DSP In = SC2_IN_L/R */ |
| 254 | bktr->msp_source_selected = 2; |
| 255 | } |
| 256 | } |
| 257 | } |
| 258 | |
| 259 | |
| 260 | return(0); |
| 261 | } |
| 262 | |
| 263 | |
| 264 | /* |
| 265 | * |
| 266 | */ |
| 267 | void |
| 268 | temp_mute(bktr_ptr_t bktr, int flag) |
| 269 | { |
| 270 | static int muteState = FALSE; |
| 271 | |
| 272 | if (flag == TRUE) { |
| 273 | muteState = bktr->audio_mute_state; |
| 274 | set_audio(bktr, AUDIO_MUTE); /* prevent 'click' */ |
| 275 | } |
| 276 | else { |
| 277 | tsleep(BKTR_SLEEP, PZERO, "tuning" , hz/8); |
| 278 | if (muteState == FALSE) |
| 279 | set_audio(bktr, AUDIO_UNMUTE); |
| 280 | } |
| 281 | } |
| 282 | |
| 283 | /* address of BTSC/SAP decoder chip */ |
| 284 | #define TDA9850_WADDR 0xb6 |
| 285 | #define TDA9850_RADDR 0xb7 |
| 286 | |
| 287 | |
| 288 | /* registers in the TDA9850 BTSC/dbx chip */ |
| 289 | #define CON1ADDR 0x04 |
| 290 | #define CON2ADDR 0x05 |
| 291 | #define CON3ADDR 0x06 |
| 292 | #define CON4ADDR 0x07 |
| 293 | #define ALI1ADDR 0x08 |
| 294 | #define ALI2ADDR 0x09 |
| 295 | #define ALI3ADDR 0x0a |
| 296 | |
| 297 | /* |
| 298 | * initialise the dbx chip |
| 299 | * taken from the Linux bttv driver TDA9850 initialisation code |
| 300 | */ |
| 301 | void |
| 302 | init_BTSC(bktr_ptr_t bktr) |
| 303 | { |
| 304 | i2cWrite(bktr, TDA9850_WADDR, CON1ADDR, 0x08); /* noise threshold st */ |
| 305 | i2cWrite(bktr, TDA9850_WADDR, CON2ADDR, 0x08); /* noise threshold sap */ |
| 306 | i2cWrite(bktr, TDA9850_WADDR, CON3ADDR, 0x40); /* stereo mode */ |
| 307 | i2cWrite(bktr, TDA9850_WADDR, CON4ADDR, 0x07); /* 0 dB input gain? */ |
| 308 | i2cWrite(bktr, TDA9850_WADDR, ALI1ADDR, 0x10); /* wideband alignment? */ |
| 309 | i2cWrite(bktr, TDA9850_WADDR, ALI2ADDR, 0x10); /* spectral alignment? */ |
| 310 | i2cWrite(bktr, TDA9850_WADDR, ALI3ADDR, 0x03); |
| 311 | } |
| 312 | |
| 313 | /* |
| 314 | * setup the dbx chip |
| 315 | * XXX FIXME: alot of work to be done here, this merely unmutes it. |
| 316 | */ |
| 317 | int |
| 318 | set_BTSC(bktr_ptr_t bktr, int control) |
| 319 | { |
| 320 | return(i2cWrite(bktr, TDA9850_WADDR, CON3ADDR, control)); |
| 321 | } |
| 322 | |
| 323 | /* |
| 324 | * CARD_GV_BCTV specific functions. |
| 325 | */ |
| 326 | |
| 327 | #define BCTV_AUDIO_MAIN 0x10 /* main audio program */ |
| 328 | #define BCTV_AUDIO_SUB 0x20 /* sub audio program */ |
| 329 | #define BCTV_AUDIO_BOTH 0x30 /* main(L) + sub(R) program */ |
| 330 | |
| 331 | #define BCTV_GPIO_REG0 1 |
| 332 | #define BCTV_GPIO_REG1 3 |
| 333 | |
| 334 | #define BCTV_GR0_AUDIO_MODE 3 |
| 335 | #define BCTV_GR0_AUDIO_MAIN 0 /* main program */ |
| 336 | #define BCTV_GR0_AUDIO_SUB 3 /* sub program */ |
| 337 | #define BCTV_GR0_AUDIO_BOTH 1 /* main(L) + sub(R) */ |
| 338 | #define BCTV_GR0_AUDIO_MUTE 4 /* audio mute */ |
| 339 | #define BCTV_GR0_AUDIO_MONO 8 /* force mono */ |
| 340 | |
| 341 | void |
| 342 | set_bctv_audio(bktr_ptr_t bktr) |
| 343 | { |
| 344 | int data; |
| 345 | |
| 346 | switch (bktr->audio_mux_select) { |
| 347 | case 1: /* external */ |
| 348 | case 2: /* internal */ |
| 349 | bctv_gpio_write(bktr, BCTV_GPIO_REG1, 0); |
| 350 | break; |
| 351 | default: /* tuner */ |
| 352 | bctv_gpio_write(bktr, BCTV_GPIO_REG1, 1); |
| 353 | break; |
| 354 | } |
| 355 | /* switch (bktr->audio_sap_select) { */ |
| 356 | switch (BCTV_AUDIO_BOTH) { |
| 357 | case BCTV_AUDIO_SUB: |
| 358 | data = BCTV_GR0_AUDIO_SUB; |
| 359 | break; |
| 360 | case BCTV_AUDIO_BOTH: |
| 361 | data = BCTV_GR0_AUDIO_BOTH; |
| 362 | break; |
| 363 | case BCTV_AUDIO_MAIN: |
| 364 | default: |
| 365 | data = BCTV_GR0_AUDIO_MAIN; |
| 366 | break; |
| 367 | } |
| 368 | if (bktr->audio_mute_state == TRUE) |
| 369 | data |= BCTV_GR0_AUDIO_MUTE; |
| 370 | |
| 371 | bctv_gpio_write(bktr, BCTV_GPIO_REG0, data); |
| 372 | |
| 373 | return; |
| 374 | } |
| 375 | |
| 376 | /* gpio_data bit assignment */ |
| 377 | #define BCTV_GPIO_ADDR_MASK 0x000300 |
| 378 | #define BCTV_GPIO_WE 0x000400 |
| 379 | #define BCTV_GPIO_OE 0x000800 |
| 380 | #define BCTV_GPIO_VAL_MASK 0x00f000 |
| 381 | |
| 382 | #define BCTV_GPIO_PORT_MASK 3 |
| 383 | #define BCTV_GPIO_ADDR_SHIFT 8 |
| 384 | #define BCTV_GPIO_VAL_SHIFT 12 |
| 385 | |
| 386 | /* gpio_out_en value for read/write */ |
| 387 | #define BCTV_GPIO_OUT_RMASK 0x000f00 |
| 388 | #define BCTV_GPIO_OUT_WMASK 0x00ff00 |
| 389 | |
| 390 | #define BCTV_BITS 100 |
| 391 | |
| 392 | void |
| 393 | bctv_gpio_write(bktr_ptr_t bktr, int port, int val) |
| 394 | { |
| 395 | u_int data, outbits; |
| 396 | |
| 397 | port &= BCTV_GPIO_PORT_MASK; |
| 398 | switch (port) { |
| 399 | case 1: |
| 400 | case 3: |
| 401 | data = ((val << BCTV_GPIO_VAL_SHIFT) & BCTV_GPIO_VAL_MASK) | |
| 402 | ((port << BCTV_GPIO_ADDR_SHIFT) & BCTV_GPIO_ADDR_MASK) | |
| 403 | BCTV_GPIO_WE | BCTV_GPIO_OE; |
| 404 | outbits = BCTV_GPIO_OUT_WMASK; |
| 405 | break; |
| 406 | default: |
| 407 | return; |
| 408 | } |
| 409 | OUTL(bktr, BKTR_GPIO_OUT_EN, 0); |
| 410 | OUTL(bktr, BKTR_GPIO_DATA, data); |
| 411 | OUTL(bktr, BKTR_GPIO_OUT_EN, outbits); |
| 412 | DELAY(BCTV_BITS); |
| 413 | OUTL(bktr, BKTR_GPIO_DATA, data & ~BCTV_GPIO_WE); |
| 414 | DELAY(BCTV_BITS); |
| 415 | OUTL(bktr, BKTR_GPIO_DATA, data); |
| 416 | DELAY(BCTV_BITS); |
| 417 | OUTL(bktr, BKTR_GPIO_DATA, ~0); |
| 418 | OUTL(bktr, BKTR_GPIO_OUT_EN, 0); |
| 419 | } |
| 420 | |
| 421 | /* Not yet used |
| 422 | int |
| 423 | bctv_gpio_read(bktr_ptr_t bktr, int port) |
| 424 | { |
| 425 | u_int data, outbits, ret; |
| 426 | |
| 427 | port &= BCTV_GPIO_PORT_MASK; |
| 428 | switch (port) { |
| 429 | case 1: |
| 430 | case 3: |
| 431 | data = ((port << BCTV_GPIO_ADDR_SHIFT) & BCTV_GPIO_ADDR_MASK) | |
| 432 | BCTV_GPIO_WE | BCTV_GPIO_OE; |
| 433 | outbits = BCTV_GPIO_OUT_RMASK; |
| 434 | break; |
| 435 | default: |
| 436 | return(-1); |
| 437 | } |
| 438 | OUTL(bktr, BKTR_GPIO_OUT_EN, 0); |
| 439 | OUTL(bktr, BKTR_GPIO_DATA, data); |
| 440 | OUTL(bktr, BKTR_GPIO_OUT_EN, outbits); |
| 441 | DELAY(BCTV_BITS); |
| 442 | OUTL(bktr, BKTR_GPIO_DATA, data & ~BCTV_GPIO_OE); |
| 443 | DELAY(BCTV_BITS); |
| 444 | ret = INL(bktr, BKTR_GPIO_DATA); |
| 445 | DELAY(BCTV_BITS); |
| 446 | OUTL(bktr, BKTR_GPIO_DATA, data); |
| 447 | DELAY(BCTV_BITS); |
| 448 | OUTL(bktr, BKTR_GPIO_DATA, ~0); |
| 449 | OUTL(bktr, BKTR_GPIO_OUT_EN, 0); |
| 450 | return((ret & BCTV_GPIO_VAL_MASK) >> BCTV_GPIO_VAL_SHIFT); |
| 451 | } |
| 452 | */ |
| 453 | |
| 454 | /* |
| 455 | * setup the MSP34xx Stereo Audio Chip |
| 456 | * This uses the Auto Configuration Option on MSP3410D and MSP3415D chips |
| 457 | * and DBX mode selection for MSP3430G chips. |
| 458 | * For MSP3400C support, the full programming sequence is required and is |
| 459 | * not yet supported. |
| 460 | */ |
| 461 | |
| 462 | /* Read the MSP version string */ |
| 463 | void msp_read_id(bktr_ptr_t bktr) { |
| 464 | int rev1=0, rev2=0; |
| 465 | rev1 = msp_dpl_read(bktr, bktr->msp_addr, 0x12, 0x001e); |
| 466 | rev2 = msp_dpl_read(bktr, bktr->msp_addr, 0x12, 0x001f); |
| 467 | |
| 468 | snprintf(bktr->msp_version_string, sizeof bktr->msp_version_string, |
| 469 | "34%02d%c-%c%d" , (rev2>>8)&0xff, (rev1&0xff)+'@', ((rev1>>8)&0xff)+'@', |
| 470 | rev2&0x1f); |
| 471 | |
| 472 | } |
| 473 | |
| 474 | |
| 475 | /* Configure the MSP chip to Auto-detect the audio format. |
| 476 | * For the MSP3430G, we use fast autodetect mode |
| 477 | * For the MSP3410/3415 there are two schemes for this |
| 478 | * a) Fast autodetection - the chip is put into autodetect mode, and the function |
| 479 | * returns immediately. This works in most cases and is the Default Mode. |
| 480 | * b) Slow mode. The function sets the MSP3410/3415 chip, then waits for feedback from |
| 481 | * the chip and re-programs it if needed. |
| 482 | */ |
| 483 | void msp_autodetect(bktr_ptr_t bktr) { |
| 484 | int auto_detect, loops; |
| 485 | int stereo; |
| 486 | |
| 487 | /* MSP3430G - countries with mono and DBX stereo */ |
| 488 | if (strncmp("3430G" , bktr->msp_version_string, 5) == 0 || |
| 489 | strncmp("3435G" , bktr->msp_version_string, 5) == 0) { |
| 490 | |
| 491 | msp_dpl_write(bktr, bktr->msp_addr, 0x10, 0x0030,0x2003);/* Enable Auto format detection */ |
| 492 | msp_dpl_write(bktr, bktr->msp_addr, 0x10, 0x0020,0x0020);/* Standard Select Reg. = BTSC-Stereo*/ |
| 493 | msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x000E,0x2403);/* darned if I know */ |
| 494 | msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0008,0x0320);/* Source select = (St or A) */ |
| 495 | /* & Ch. Matrix = St */ |
| 496 | msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0000,0x7300);/* Set volume to 0db gain */ |
| 497 | } |
| 498 | |
| 499 | |
| 500 | /* MSP3415D SPECIAL CASE Use the Tuner's Mono audio output for the MSP */ |
| 501 | /* (for Hauppauge 44xxx card with Tuner Type 0x2a) */ |
| 502 | else if (((strncmp("3415D" , bktr->msp_version_string, 5) == 0) |
| 503 | &&(bktr->msp_use_mono_source == 1) |
| 504 | ) |
| 505 | || (bktr->slow_msp_audio == 2)) { |
| 506 | msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0000, 0x7300); /* 0 db volume */ |
| 507 | msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x000d, 0x1900); /* scart prescale */ |
| 508 | msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0008, 0x0220); /* SCART | STEREO */ |
| 509 | msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0013, 0x0100); /* DSP In = MONO IN */ |
| 510 | } |
| 511 | |
| 512 | |
| 513 | /* MSP3410/MSP3415 - countries with mono, stereo using 2 FM channels and NICAM */ |
| 514 | /* FAST sound scheme */ |
| 515 | else if (bktr->slow_msp_audio == 0) { |
| 516 | msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0000,0x7300);/* Set volume to 0db gain */ |
| 517 | msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0008,0x0000);/* Spkr Source = default(FM/AM) */ |
| 518 | msp_dpl_write(bktr, bktr->msp_addr, 0x10, 0x0020,0x0001);/* Enable Auto format detection */ |
| 519 | msp_dpl_write(bktr, bktr->msp_addr, 0x10, 0x0021,0x0001);/* Auto selection of NICAM/MONO mode */ |
| 520 | } |
| 521 | |
| 522 | |
| 523 | /* MSP3410/MSP3415 - European Countries where the fast MSP3410/3415 programming fails */ |
| 524 | /* SLOW sound scheme */ |
| 525 | else if (bktr->slow_msp_audio == 1) { |
| 526 | msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0000,0x7300);/* Set volume to 0db gain */ |
| 527 | msp_dpl_write(bktr, bktr->msp_addr, 0x10, 0x0020,0x0001);/* Enable Auto format detection */ |
| 528 | |
| 529 | /* wait for 0.5s max for terrestrial sound autodetection */ |
| 530 | loops = 10; |
| 531 | do { |
| 532 | DELAY(100000); |
| 533 | auto_detect = msp_dpl_read(bktr, bktr->msp_addr, 0x10, 0x007e); |
| 534 | loops++; |
| 535 | } while (auto_detect > 0xff && loops < 50); |
| 536 | if (bootverbose)printf ("%s: Result of autodetect after %dms: %d\n" , |
| 537 | bktr_name(bktr), loops*10, auto_detect); |
| 538 | |
| 539 | /* Now set the audio baseband processing */ |
| 540 | switch (auto_detect) { |
| 541 | case 0: /* no TV sound standard detected */ |
| 542 | break; |
| 543 | case 2: /* M Dual FM */ |
| 544 | break; |
| 545 | case 3: /* B/G Dual FM; German stereo */ |
| 546 | /* Read the stereo detection value from DSP reg 0x0018 */ |
| 547 | DELAY(20000); |
| 548 | stereo = msp_dpl_read(bktr, bktr->msp_addr, 0x12, 0x0018); |
| 549 | if (bootverbose)printf ("%s: Stereo reg 0x18 a: %d\n" , |
| 550 | bktr_name(bktr), stereo); |
| 551 | DELAY(20000); |
| 552 | stereo = msp_dpl_read(bktr, bktr->msp_addr, 0x12, 0x0018); |
| 553 | if (bootverbose)printf ("%s: Stereo reg 0x18 b: %d\n" , |
| 554 | bktr_name(bktr), stereo); |
| 555 | DELAY(20000); |
| 556 | stereo = msp_dpl_read(bktr, bktr->msp_addr, 0x12, 0x0018); |
| 557 | if (bootverbose)printf ("%s: Stereo reg 0x18 c: %d\n" , |
| 558 | bktr_name(bktr), stereo); |
| 559 | if (stereo > 0x0100 && stereo < 0x8000) { /* Seems to be stereo */ |
| 560 | msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0008,0x0020);/* Loudspeaker set stereo*/ |
| 561 | /* |
| 562 | set spatial effect strength to 50% enlargement |
| 563 | set spatial effect mode b, stereo basewidth enlargment only |
| 564 | */ |
| 565 | msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0005,0x3f28); |
| 566 | } else if (stereo > 0x8000) { /* bilingual mode */ |
| 567 | if (bootverbose) printf ("%s: Bilingual mode detected\n" , |
| 568 | bktr_name(bktr)); |
| 569 | msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0008,0x0000);/* Loudspeaker */ |
| 570 | msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0005,0x0000);/* all spatial effects off */ |
| 571 | } else { /* must be mono */ |
| 572 | msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0008,0x0030);/* Loudspeaker */ |
| 573 | /* |
| 574 | set spatial effect strength to 50% enlargement |
| 575 | set spatial effect mode a, stereo basewidth enlargment |
| 576 | and pseudo stereo effect with automatic high-pass filter |
| 577 | */ |
| 578 | msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0005,0x3f08); |
| 579 | } |
| 580 | #if 0 |
| 581 | /* The reset value for Channel matrix mode is FM/AM and SOUNDA/LEFT */ |
| 582 | /* We would like STEREO instead val: 0x0020 */ |
| 583 | msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0008,0x0020);/* Loudspeaker */ |
| 584 | msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0009,0x0020);/* Headphone */ |
| 585 | msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x000a,0x0020);/* SCART1 */ |
| 586 | msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0041,0x0020);/* SCART2 */ |
| 587 | msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x000b,0x0020);/* I2S */ |
| 588 | msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x000c,0x0020);/* Quasi-Peak Detector Source */ |
| 589 | msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x000e,0x0001); |
| 590 | #endif |
| 591 | break; |
| 592 | case 8: /* B/G FM NICAM */ |
| 593 | msp_dpl_write(bktr, bktr->msp_addr, 0x10, 0x0021,0x0001);/* Auto selection of NICAM/MONO mode */ |
| 594 | break; |
| 595 | case 9: /* L_AM NICAM or D/K*/ |
| 596 | case 10: /* i-FM NICAM */ |
| 597 | break; |
| 598 | default: |
| 599 | if (bootverbose) printf ("%s: Unknown autodetection result value: %d\n" , |
| 600 | bktr_name(bktr), auto_detect); |
| 601 | } |
| 602 | |
| 603 | } |
| 604 | |
| 605 | |
| 606 | /* uncomment the following line to enable the MSP34xx 1 kHz Tone Generator */ |
| 607 | /* turn your speaker volume down low before trying this */ |
| 608 | /* msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0014, 0x7f40); */ |
| 609 | } |
| 610 | |
| 611 | /* Read the DPL version string */ |
| 612 | void dpl_read_id(bktr_ptr_t bktr) { |
| 613 | int rev1=0, rev2=0; |
| 614 | rev1 = msp_dpl_read(bktr, bktr->dpl_addr, 0x12, 0x001e); |
| 615 | rev2 = msp_dpl_read(bktr, bktr->dpl_addr, 0x12, 0x001f); |
| 616 | |
| 617 | snprintf(bktr->dpl_version_string, sizeof bktr->dpl_version_string, |
| 618 | "34%02d%c-%c%d" , ((rev2>>8)&0xff)-1, (rev1&0xff)+'@', |
| 619 | ((rev1>>8)&0xff)+'@', rev2&0x1f); |
| 620 | } |
| 621 | |
| 622 | /* Configure the DPL chip to Auto-detect the audio format */ |
| 623 | void dpl_autodetect(bktr_ptr_t bktr) { |
| 624 | |
| 625 | /* The following are empiric values tried from the DPL35xx data sheet */ |
| 626 | msp_dpl_write(bktr, bktr->dpl_addr, 0x12, 0x000c,0x0320); /* quasi peak detector source dolby |
| 627 | lr 0x03xx; quasi peak detector matrix |
| 628 | stereo 0xXX20 */ |
| 629 | msp_dpl_write(bktr, bktr->dpl_addr, 0x12, 0x0040,0x0060); /* Surround decoder mode; |
| 630 | ADAPTIVE/3D-PANORAMA, that means two |
| 631 | speakers and no center speaker, all |
| 632 | channels L/R/C/S mixed to L and R */ |
| 633 | msp_dpl_write(bktr, bktr->dpl_addr, 0x12, 0x0041,0x0620); /* surround source matrix;I2S2/STEREO*/ |
| 634 | msp_dpl_write(bktr, bktr->dpl_addr, 0x12, 0x0042,0x1F00); /* surround delay 31ms max */ |
| 635 | msp_dpl_write(bktr, bktr->dpl_addr, 0x12, 0x0043,0x0000); /* automatic surround input balance */ |
| 636 | msp_dpl_write(bktr, bktr->dpl_addr, 0x12, 0x0044,0x4000); /* surround spatial effect 50% |
| 637 | recommended*/ |
| 638 | msp_dpl_write(bktr, bktr->dpl_addr, 0x12, 0x0045,0x5400); /* surround panorama effect 66% |
| 639 | recommended with PANORAMA mode |
| 640 | in 0x0040 set to panorama */ |
| 641 | } |
| 642 | |
| 643 | |