/* Read the DPL version string */
void dpl_read_id( bktr_ptr_t bktr ){
int rev1=0, rev2=0;
rev1 = msp_dpl_read(bktr, bktr->dpl_addr, 0x12, 0x001e);
rev2 = msp_dpl_read(bktr, bktr->dpl_addr, 0x12, 0x001f);
sprintf(bktr->dpl_version_string, "34%02d%c-%c%d",
((rev2>>8)&0xff)-1, (rev1&0xff)+'@', ((rev1>>8)&0xff)+'@', rev2&0x1f);
}
/* Configure the MSP chip to Auto-detect the audio format.
* For the MSP3430G, we use fast autodetect mode
* For the MSP3410/3415 there are two schemes for this
* a) Fast autodetection - the chip is put into autodetect mode, and the function
* returns immediatly. This works in most cases and is the Default Mode.
* b) Slow mode. The function sets the MSP3410/3415 chip, then waits for feedback from
* the chip and re-programs it if needed.
*/
void msp_autodetect( bktr_ptr_t bktr ) {
#ifdef BKTR_NEW_MSP34XX_DRIVER
/* Just wake up the (maybe) sleeping thread, it'll do everything for us */
msp_wake_thread(bktr);
#else
int auto_detect, loops;
int stereo;
/* MSP3430G - countries with mono and DBX stereo */
if (strncmp("3430G", bktr->msp_version_string, 5) == 0){
msp_dpl_write(bktr, bktr->msp_addr, 0x10, 0x0030,0x2003);/* Enable Auto format detection */
msp_dpl_write(bktr, bktr->msp_addr, 0x10, 0x0020,0x0020);/* Standard Select Reg. = BTSC-Stereo*/
msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x000E,0x2403);/* darned if I know */
msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0008,0x0320);/* Source select = (St or A) */
/* & Ch. Matrix = St */
msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0000,0x7300);/* Set volume to 0db gain */
}
/* MSP3415D SPECIAL CASE Use the Tuner's Mono audio ouput for the MSP */
/* (for Hauppauge 44xxx card with Tuner Type 0x2a) */
else if ( ( (strncmp("3415D", bktr->msp_version_string, 5) == 0)
&&(bktr->msp_use_mono_source == 1)
)
|| (bktr->slow_msp_audio == 2) ){
msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0000, 0x7300); /* 0 db volume */
msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x000d, 0x1900); /* scart prescale */
msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0008, 0x0220); /* SCART | STEREO */
msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0013, 0x0100); /* DSP In = MONO IN */
}
/* MSP3410/MSP3415 - countries with mono, stereo using 2 FM channels and NICAM */
/* FAST sound scheme */
else if (bktr->slow_msp_audio == 0) {
msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0000,0x7300);/* Set volume to 0db gain */
msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0008,0x0000);/* Spkr Source = default(FM/AM) */
msp_dpl_write(bktr, bktr->msp_addr, 0x10, 0x0020,0x0001);/* Enable Auto format detection */
msp_dpl_write(bktr, bktr->msp_addr, 0x10, 0x0021,0x0001);/* Auto selection of NICAM/MONO mode */
}
/* MSP3410/MSP3415 - European Countries where the fast MSP3410/3415 programming fails */
/* SLOW sound scheme */
else if ( bktr->slow_msp_audio == 1) {
msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0000,0x7300);/* Set volume to 0db gain */
msp_dpl_write(bktr, bktr->msp_addr, 0x10, 0x0020,0x0001);/* Enable Auto format detection */
/* wait for 0.5s max for terrestrial sound autodetection */
loops = 10;
do {
DELAY(100000);
auto_detect = msp_dpl_read(bktr, bktr->msp_addr, 0x10, 0x007e);
loops++;
} while (auto_detect > 0xff && loops < 50);
if (bootverbose)printf ("%s: Result of autodetect after %dms: %d\n",
bktr_name(bktr), loops*10, auto_detect);
/* Now set the audio baseband processing */
switch (auto_detect) {
case 0: /* no TV sound standard detected */
break;
case 2: /* M Dual FM */
break;
case 3: /* B/G Dual FM; German stereo */
/* Read the stereo detection value from DSP reg 0x0018 */
DELAY(20000);
stereo = msp_dpl_read(bktr, bktr->msp_addr, 0x12, 0x0018);
if (bootverbose)printf ("%s: Stereo reg 0x18 a: %d\n",
bktr_name(bktr), stereo);
DELAY(20000);
stereo = msp_dpl_read(bktr, bktr->msp_addr, 0x12, 0x0018);
if (bootverbose)printf ("%s: Stereo reg 0x18 b: %d\n",
bktr_name(bktr), stereo);
DELAY(20000);
stereo = msp_dpl_read(bktr, bktr->msp_addr, 0x12, 0x0018);
if (bootverbose)printf ("%s: Stereo reg 0x18 c: %d\n",
bktr_name(bktr), stereo);
if (stereo > 0x0100 && stereo < 0x8000) { /* Seems to be stereo */
msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0008,0x0020);/* Loudspeaker set stereo*/
/*
set spatial effect strength to 50% enlargement
set spatial effect mode b, stereo basewidth enlargment only
*/
msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0005,0x3f28);
} else if (stereo > 0x8000) { /* bilingual mode */
if (bootverbose) printf ("%s: Bilingual mode detected\n",
bktr_name(bktr));
msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0008,0x0000);/* Loudspeaker */
msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0005,0x0000);/* all spatial effects off */
} else { /* must be mono */
msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0008,0x0030);/* Loudspeaker */
/*
set spatial effect strength to 50% enlargement
set spatial effect mode a, stereo basewidth enlargment
and pseudo stereo effect with automatic high-pass filter
*/
msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0005,0x3f08);
}
#if 0
/* The reset value for Channel matrix mode is FM/AM and SOUNDA/LEFT */
/* We would like STEREO instead val: 0x0020 */
msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0008,0x0020);/* Loudspeaker */
msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0009,0x0020);/* Headphone */
msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x000a,0x0020);/* SCART1 */
msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0041,0x0020);/* SCART2 */
msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x000b,0x0020);/* I2S */
msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x000c,0x0020);/* Quasi-Peak Detector Source */
msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x000e,0x0001);
#endif
break;
case 8: /* B/G FM NICAM */
msp_dpl_write(bktr, bktr->msp_addr, 0x10, 0x0021,0x0001);/* Auto selection of NICAM/MONO mode */
break;
case 9: /* L_AM NICAM or D/K*/
case 10: /* i-FM NICAM */
break;
default:
if (bootverbose) printf ("%s: Unknown autodetection result value: %d\n",
bktr_name(bktr), auto_detect);
}
}
/* uncomment the following line to enable the MSP34xx 1Khz Tone Generator */
/* turn your speaker volume down low before trying this */
/* msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0014, 0x7f40); */
#endif /* BKTR_NEW_MSP34XX_DRIVER */
}
static int
msp3400c_read(bktr_ptr_t client, int dev, int addr)
{
/* use our own */
return(msp_dpl_read(client, client->msp_addr, dev, addr));
}
