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PLEASE, PLEASE, PLEASE!!!!!!!

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DO NOT COMMIT NEW VOXWARE VERSIONS BLINDLY, TAKE CARE TO RESTORE
PAS16D FIXES, I AM REALLY TIRED TO DO IT WITH EACH NEW RELEASE!!!
This commit is contained in:
Andrey A. Chernov 1995-03-05 03:28:38 +00:00
parent 84428d8465
commit 21a3970b05
3 changed files with 30 additions and 20 deletions
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1
sys/i386/isa/sound/pas.h
View File

@ -128,6 +128,7 @@
#define F_F_PCM_RATE_COUNTER 0x40 /* R W PCM 1=enable, 0=disable sample rate counter */
#define F_F_PCM_BUFFER_COUNTER 0x80 /* R W PCM 1=enable, 0=disable sample buffer counter */
#define CHIP_REV 0xFF88 /* R Control 0=PAS, 1=PAS+, 2=CDPC, 3=PAS16C, 4=PAS16D */
#define PAS_NONE 0
#define PAS_PLUS 1
#define PAS_CDPC 2

25
sys/i386/isa/sound/pas2_card.c
View File

@ -70,6 +70,23 @@ pas_write (unsigned char data, int ioaddr)
OUTB (data, ioaddr ^ translat_code);
}
/*
* The Revision D cards have a problem with their MVA508 interface. The
* kludge-o-rama fix is to make a 16-bit quantity with identical LSB and
* MSBs out of the output byte and to do a 16-bit out to the mixer port -
* 1. We need to do this because there was access problems, not timing
* problems.
*/
void
mix_write (unsigned char data, int ioaddr)
{
if (pas_model == PAS_16D) {
outw ((ioaddr ^ translat_code) - 1, data | (data << 8));
outb (0, 0x80);
} else
OUTB (data, ioaddr ^ translat_code);
}
void
pas2_msg (char *foo)
{
@ -253,8 +270,8 @@ config_pas_hw (struct address_info *hw_config)
else
pas_write (0, PRESCALE_DIVIDER);
pas_write (P_M_MV508_ADDRESS | 5, PARALLEL_MIXER);
pas_write (5, PARALLEL_MIXER);
mix_write (P_M_MV508_ADDRESS | 5, PARALLEL_MIXER);
mix_write (5, PARALLEL_MIXER);
#if !defined(EXCLUDE_SB_EMULATION) || !defined(EXCLUDE_SB)
@ -348,7 +365,7 @@ detect_pas_hw (struct address_info *hw_config)
*/
return 0;
pas_model = O_M_1_to_card[pas_read (OPERATION_MODE_1) & 0x0f];
pas_model = pas_read (CHIP_REV);
return pas_model;
}
@ -361,7 +378,7 @@ attach_pas_card (long mem_start, struct address_info *hw_config)
if (detect_pas_hw (hw_config))
{
if ((pas_model = O_M_1_to_card[pas_read (OPERATION_MODE_1) & 0x0f]))
if (pas_model = pas_read (CHIP_REV))
{
printk (" <%s rev %d>", pas_model_names[(int) pas_model], pas_read (BOARD_REV_ID));
}

24
sys/i386/isa/sound/pas2_mixer.c
View File

@ -106,14 +106,6 @@ mixer_output (int right_vol, int left_vol, int div, int bits,
int left = left_vol * div / 100;
int right = right_vol * div / 100;
/*
* The Revision D cards have a problem with their MVA508 interface. The
* kludge-o-rama fix is to make a 16-bit quantity with identical LSB and
* MSBs out of the output byte and to do a 16-bit out to the mixer port -
* 1. We don't need to do this because the call to pas_write more than
* compensates for the timing problems.
*/
if (bits & P_M_MV508_MIXER)
{ /*
* Select input or output mixer
@ -126,16 +118,16 @@ mixer_output (int right_vol, int left_vol, int div, int bits,
{ /*
* Bass and treble are mono devices
*/
pas_write (P_M_MV508_ADDRESS | bits, PARALLEL_MIXER);
pas_write (left, PARALLEL_MIXER);
mix_write (P_M_MV508_ADDRESS | bits, PARALLEL_MIXER);
mix_write (left, PARALLEL_MIXER);
right_vol = left_vol;
}
else
{
pas_write (P_M_MV508_ADDRESS | P_M_MV508_LEFT | bits, PARALLEL_MIXER);
pas_write (left, PARALLEL_MIXER);
pas_write (P_M_MV508_ADDRESS | P_M_MV508_RIGHT | bits, PARALLEL_MIXER);
pas_write (right, PARALLEL_MIXER);
mix_write (P_M_MV508_ADDRESS | P_M_MV508_LEFT | bits, PARALLEL_MIXER);
mix_write (left, PARALLEL_MIXER);
mix_write (P_M_MV508_ADDRESS | P_M_MV508_RIGHT | bits, PARALLEL_MIXER);
mix_write (right, PARALLEL_MIXER);
}
return (left_vol | (right_vol << 8));
@ -144,8 +136,8 @@ mixer_output (int right_vol, int left_vol, int div, int bits,
void
set_mode (int new_mode)
{
pas_write (P_M_MV508_ADDRESS | P_M_MV508_MODE, PARALLEL_MIXER);
pas_write (new_mode, PARALLEL_MIXER);
mix_write (P_M_MV508_ADDRESS | P_M_MV508_MODE, PARALLEL_MIXER);
mix_write (new_mode, PARALLEL_MIXER);
mode_control = new_mode;
}