freebsd-skq/sys/i386/isa/sound/pas2_card.c
Mark Murray 1fa24a09c7 Upgrade the sound sources to Amancio Hasty's latest-and-greatest.
This is based on Voxware 3.5, and corresponds to Amancio's `guspnp21'.

Bug reports to Amancio, please!
1997-10-31 06:30:22 +00:00

362 lines
8.9 KiB
C

/*
* sound/pas2_card.c
*
* Detection routine for the Pro Audio Spectrum cards.
*
* Copyright by Hannu Savolainen 1993
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer. 2.
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
#include <i386/isa/sound/sound_config.h>
#if defined(CONFIG_PAS)
#define _PAS2_CARD_C_
#define DEFINE_TRANSLATIONS
#include <i386/isa/sound/pas_hw.h>
/*
* The Address Translation code is used to convert I/O register addresses to
* be relative to the given base -register
*/
int translat_code;
static int pas_intr_mask = 0;
static int pas_irq = 0;
sound_os_info *pas_osp;
char pas_model;
static char *pas_model_names[] =
{"", "Pro AudioSpectrum+", "CDPC", "Pro AudioSpectrum 16", "Pro AudioSpectrum 16D"};
/*
* pas_read() and pas_write() are equivalents of inb and outb
*/
/*
* These routines perform the I/O address translation required
*/
/*
* to support other than the default base address
*/
extern void mix_write(u_char data, int ioaddr);
u_char
pas_read(int ioaddr)
{
return inb(ioaddr ^ translat_code);
}
void
pas_write(u_char data, int ioaddr)
{
outb(ioaddr ^ translat_code, data);
}
void
pas2_msg(char *foo)
{
printf(" PAS2: %s.\n", foo);
}
/******************* Begin of the Interrupt Handler ********************/
void
pasintr(int irq)
{
int status;
status = pas_read(INTERRUPT_STATUS);
pas_write(status, INTERRUPT_STATUS); /* Clear interrupt */
if (status & I_S_PCM_SAMPLE_BUFFER_IRQ) {
#ifdef CONFIG_AUDIO
pas_pcm_interrupt(status, 1);
#endif
status &= ~I_S_PCM_SAMPLE_BUFFER_IRQ;
}
if (status & I_S_MIDI_IRQ) {
#ifdef CONFIG_MIDI
pas_midi_interrupt();
#endif
status &= ~I_S_MIDI_IRQ;
}
}
int
pas_set_intr(int mask)
{
if (!mask)
return 0;
pas_intr_mask |= mask;
pas_write(pas_intr_mask, INTERRUPT_MASK);
return 0;
}
int
pas_remove_intr(int mask)
{
if (!mask)
return 0;
pas_intr_mask &= ~mask;
pas_write(pas_intr_mask, INTERRUPT_MASK);
return 0;
}
/******************* End of the Interrupt handler **********************/
/******************* Begin of the Initialization Code ******************/
int
config_pas_hw(struct address_info * hw_config)
{
char ok = 1;
u_int int_ptrs; /* scsi/sound interrupt pointers */
pas_irq = hw_config->irq;
pas_write(0x00, INTERRUPT_MASK);
pas_write(0x36, SAMPLE_COUNTER_CONTROL); /* Local timer control *
* register */
pas_write(0x36, SAMPLE_RATE_TIMER); /* Sample rate timer (16 bit) */
pas_write(0, SAMPLE_RATE_TIMER);
pas_write(0x74, SAMPLE_COUNTER_CONTROL); /* Local timer control *
* register */
pas_write(0x74, SAMPLE_BUFFER_COUNTER); /* Sample count register (16 *
* bit) */
pas_write(0, SAMPLE_BUFFER_COUNTER);
pas_write(F_F_PCM_BUFFER_COUNTER | F_F_PCM_RATE_COUNTER | F_F_MIXER_UNMUTE | 1, FILTER_FREQUENCY);
pas_write(P_C_PCM_DMA_ENABLE | P_C_PCM_MONO | P_C_PCM_DAC_MODE | P_C_MIXER_CROSS_L_TO_L | P_C_MIXER_CROSS_R_TO_R, PCM_CONTROL);
pas_write(S_M_PCM_RESET | S_M_FM_RESET | S_M_SB_RESET | S_M_MIXER_RESET /* | S_M_OPL3_DUAL_MONO */ , SERIAL_MIXER);
pas_write(I_C_1_BOOT_RESET_ENABLE
#ifdef PAS_JOYSTICK_ENABLE
| I_C_1_JOYSTICK_ENABLE
#endif
,IO_CONFIGURATION_1);
if (pas_irq < 0 || pas_irq > 15) {
printf("PAS2: Invalid IRQ %d", pas_irq);
ok = 0;
} else {
int_ptrs = pas_read(IO_CONFIGURATION_3);
int_ptrs |= I_C_3_PCM_IRQ_translate[pas_irq] & 0xf;
pas_write(int_ptrs, IO_CONFIGURATION_3);
if (!I_C_3_PCM_IRQ_translate[pas_irq]) {
printf("PAS2: Invalid IRQ %d", pas_irq);
ok = 0;
} else {
if (snd_set_irq_handler(pas_irq, pasintr, hw_config->osp) < 0)
ok = 0;
}
}
if (hw_config->dma < 0 || hw_config->dma > 7) {
printf("PAS2: Invalid DMA selection %d", hw_config->dma);
ok = 0;
} else {
pas_write(I_C_2_PCM_DMA_translate[hw_config->dma], IO_CONFIGURATION_2);
if (!I_C_2_PCM_DMA_translate[hw_config->dma]) {
printf("PAS2: Invalid DMA selection %d", hw_config->dma);
ok = 0;
} else {
if (0) {
printf("pas2_card.c: Can't allocate DMA channel\n");
ok = 0;
}
}
}
/*
* This fixes the timing problems of the PAS due to the Symphony
* chipset as per Media Vision. Only define this if your PAS doesn't
* work correctly.
*/
#ifdef SYMPHONY_PAS
outb(0xa8, 0x05);
outb(0xa9, 0x60);
#endif
#ifdef BROKEN_BUS_CLOCK
pas_write(S_C_1_PCS_ENABLE | S_C_1_PCS_STEREO | S_C_1_PCS_REALSOUND | S_C_1_FM_EMULATE_CLOCK, SYSTEM_CONFIGURATION_1);
#else
/*
* pas_write(S_C_1_PCS_ENABLE, SYSTEM_CONFIGURATION_1);
*/
pas_write(S_C_1_PCS_ENABLE | S_C_1_PCS_STEREO | S_C_1_PCS_REALSOUND, SYSTEM_CONFIGURATION_1);
#endif
pas_write(0x18, SYSTEM_CONFIGURATION_3); /* ??? */
pas_write(F_F_MIXER_UNMUTE | 0x01, FILTER_FREQUENCY); /* Sets mute off and *
* selects filter rate *
* of 17.897 kHz */
pas_write(8, PRESCALE_DIVIDER);
mix_write(P_M_MV508_ADDRESS | 5, PARALLEL_MIXER);
mix_write(5, PARALLEL_MIXER);
#if defined(CONFIG_SB_EMULATION) && defined(CONFIG_SB)
{
struct address_info *sb_config;
if ((sb_config = sound_getconf(SNDCARD_SB))) {
u_char irq_dma;
/*
* Turn on Sound Blaster compatibility
*/
/*
* bit 1 = SB emulation
*/
/*
* bit 0 = MPU401 emulation (CDPC only :-( )
*/
pas_write(0x02, COMPATIBILITY_ENABLE);
/*
* "Emulation address"
*/
pas_write((sb_config->io_base >> 4) & 0x0f, EMULATION_ADDRESS);
if (!E_C_SB_DMA_translate[sb_config->dma])
printf("\n\nPAS16 Warning: Invalid SB DMA %d\n\n",
sb_config->dma);
if (!E_C_SB_IRQ_translate[sb_config->irq])
printf("\n\nPAS16 Warning: Invalid SB IRQ %d\n\n",
sb_config->irq);
irq_dma = E_C_SB_DMA_translate[sb_config->dma] |
E_C_SB_IRQ_translate[sb_config->irq];
pas_write(irq_dma, EMULATION_CONFIGURATION);
}
}
#else
pas_write(0x00, COMPATIBILITY_ENABLE);
#endif
if (!ok)
pas2_msg("Driver not enabled");
return ok;
}
int
detect_pas_hw(struct address_info * hw_config)
{
u_char board_id, foo;
/*
* WARNING: Setting an option like W:1 or so that disables warm boot
* reset of the card will screw up this detect code something fierce.
* Adding code to handle this means possibly interfering with other
* cards on the bus if you have something on base port 0x388. SO be
* forewarned.
*/
outb(MASTER_DECODE, 0xBC); /* Talk to first board */
outb(MASTER_DECODE, hw_config->io_base >> 2); /* Set base address */
translat_code = PAS_DEFAULT_BASE ^ hw_config->io_base;
pas_write(1, WAIT_STATE); /* One wait-state */
board_id = pas_read(INTERRUPT_MASK);
if (board_id == 0xff)
return 0;
/*
* We probably have a PAS-series board, now check for a PAS2-series
* board by trying to change the board revision bits. PAS2-series
* hardware won't let you do this - the bits are read-only.
*/
foo = board_id ^ 0xe0;
pas_write(foo, INTERRUPT_MASK);
foo = inb(INTERRUPT_MASK);
pas_write(board_id, INTERRUPT_MASK);
if (board_id != foo) /* Not a PAS2 */
return 0;
pas_model = pas_read(CHIP_REV);
return pas_model;
}
void
attach_pas_card(struct address_info * hw_config)
{
pas_irq = hw_config->irq;
pas_osp = hw_config->osp;
if (detect_pas_hw(hw_config)) {
if ((pas_model = pas_read(CHIP_REV))) {
char temp[100];
sprintf(temp,
"%s rev %d", pas_model_names[(int) pas_model],
pas_read(BOARD_REV_ID));
conf_printf(temp, hw_config);
}
if (config_pas_hw(hw_config)) {
#ifdef CONFIG_AUDIO
pas_pcm_init(hw_config);
#endif
#if defined(CONFIG_SB_EMULATION) && defined(CONFIG_SB)
sb_dsp_disable_midi(); /* The SB emulation don't
* support * midi */
#endif
#ifdef CONFIG_MIDI
pas_midi_init();
#endif
pas_init_mixer();
}
}
}
int
probe_pas(struct address_info * hw_config)
{
pas_osp = hw_config->osp;
return detect_pas_hw(hw_config);
}
#endif