/*
* sound/trix.c
*
* Low level driver for the MediaTriX AudioTriX Pro (MT-0002-PC Control Chip)
*
* Copyright by Hannu Savolainen 1995
*
* 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 NTRIX > 0
#ifdef INCLUDE_TRIX_BOOT
#include <i386/isa/sound/trix_boot.h>
#endif
#if (NSB > 0)
extern int sb_no_recording;
#endif
static int kilroy_was_here = 0; /* Don't detect twice */
static int sb_initialized = 0;
static sound_os_info *trix_osp = NULL;
static u_char
trix_read(int addr)
{
outb(0x390, (u_char) addr); /* MT-0002-PC ASIC address */
return inb(0x391); /* MT-0002-PC ASIC data */
}
static void
trix_write(int addr, int data)
{
outb(0x390, (u_char) addr); /* MT-0002-PC ASIC address */
outb(0x391, (u_char) data); /* MT-0002-PC ASIC data */
}
static void
download_boot(int base)
{
#ifdef INCLUDE_TRIX_BOOT
int i = 0, n = sizeof(trix_boot);
trix_write(0xf8, 0x00); /* ??????? */
outb(base + 6, 0x01); /* Clear the internal data pointer */
outb(base + 6, 0x00); /* Restart */
/*
* Write the boot code to the RAM upload/download register. Each
* write increments the internal data pointer.
*/
outb(base + 6, 0x01); /* Clear the internal data pointer */
outb(0x390, 0x1A); /* Select RAM download/upload port */
for (i = 0; i < n; i++)
outb(0x391, trix_boot[i]);
for (i = n; i < 10016; i++) /* Clear up to first 16 bytes of data RAM */
outb(0x391, 0x00);
outb(base + 6, 0x00); /* Reset */
outb(0x390, 0x50); /* ?????? */
#endif
}
static int
trix_set_wss_port(struct address_info * hw_config)
{
u_char addr_bits;
if (0) {
printf("AudioTriX: Config port I/O conflict\n");
return 0;
}
if (kilroy_was_here) /* Already initialized */
return 0;
if (trix_read(0x15) != 0x71) { /* No asic signature */
DDB(printf("No AudioTriX ASIC signature found\n"));
return 0;
}
kilroy_was_here = 1;
/*
* Reset some registers.
*/
trix_write(0x13, 0);
trix_write(0x14, 0);
/*
* Configure the ASIC to place the codec to the proper I/O location
*/
switch (hw_config->io_base) {
case 0x530:
addr_bits = 0;
break;
case 0x604:
addr_bits = 1;
break;
case 0xE80:
addr_bits = 2;
break;
case 0xF40:
addr_bits = 3;
break;
default:
return 0;
}
trix_write(0x19, (trix_read(0x19) & 0x03) | addr_bits);
return 1;
}
/*
* Probe and attach routines for the Windows Sound System mode of AudioTriX
* Pro
*/
int
probe_trix_wss(struct address_info * hw_config)
{
/*
* Check if the IO port returns valid signature. The original MS
* Sound system returns 0x04 while some cards (AudioTriX Pro for
* example) return 0x00.
*/
if (0) {
printf("AudioTriX: MSS I/O port conflict\n");
return 0;
}
trix_osp = hw_config->osp;
if (!trix_set_wss_port(hw_config))
return 0;
if ((inb(hw_config->io_base + 3) & 0x3f) != 0x00) {
DDB(printf("No MSS signature detected on port 0x%x\n",
hw_config->io_base));
return 0;
}
if (hw_config->irq > 11) {
printf("AudioTriX: Bad WSS IRQ %d\n", hw_config->irq);
return 0;
}
if (hw_config->dma != 0 && hw_config->dma != 1 && hw_config->dma != 3) {
printf("AudioTriX: Bad WSS DMA %d\n", hw_config->dma);
return 0;
}
if (hw_config->dma2 != -1)
if (hw_config->dma2 != 0 && hw_config->dma2 != 1 && hw_config->dma2 != 3) {
printf("AudioTriX: Bad capture DMA %d\n", hw_config->dma2);
return 0;
}
/*
* Check that DMA0 is not in use with a 8 bit board.
*/
if (hw_config->dma == 0 && inb(hw_config->io_base + 3) & 0x80) {
printf("AudioTriX: Can't use DMA0 with a 8 bit card\n");
return 0;
}
if (hw_config->irq > 7 && hw_config->irq != 9 && inb(hw_config->io_base + 3) & 0x80) {
printf("AudioTriX: Can't use IRQ%d with a 8 bit card\n", hw_config->irq);
return 0;
}
return ad1848_detect(hw_config->io_base + 4, NULL, hw_config->osp);
}
void
attach_trix_wss(struct address_info * hw_config)
{
static u_char interrupt_bits[12] =
{-1, -1, -1, -1, -1, -1, -1, 0x08, -1, 0x10, 0x18, 0x20};
char bits;
static u_char dma_bits[4] =
{1, 2, 0, 3};
int config_port = hw_config->io_base + 0,
version_port = hw_config->io_base + 3;
int dma1 = hw_config->dma, dma2 = hw_config->dma2;
trix_osp = hw_config->osp;
if (!kilroy_was_here) {
DDB(printf("AudioTriX: Attach called but not probed yet???\n"));
return ;
}
/*
* Set the IRQ and DMA addresses.
*/
bits = interrupt_bits[hw_config->irq];
if (bits == -1) {
printf("AudioTriX: Bad IRQ (%d)\n", hw_config->irq);
return ;
}
outb(config_port, bits | 0x40);
if ((inb(version_port) & 0x40) == 0)
printf("[IRQ Conflict?]");
if (hw_config->dma2 == -1) { /* Single DMA mode */
bits |= dma_bits[dma1];
dma2 = dma1;
} else {
u_char tmp;
tmp = trix_read(0x13) & ~30;
trix_write(0x13, tmp | 0x80 | (dma1 << 4));
tmp = trix_read(0x14) & ~30;
trix_write(0x14, tmp | 0x80 | (dma2 << 4));
}
outb(config_port, bits);/* Write IRQ+DMA setup */
ad1848_init("AudioTriX Pro", hw_config->io_base + 4,
hw_config->irq,
dma1,
dma2,
0,
hw_config->osp);
return ;
}
int
probe_trix_sb(struct address_info * hw_config)
{
int tmp;
u_char conf;
static char irq_translate[] = {-1, -1, -1, 0, 1, 2, -1, 3};
#ifndef INCLUDE_TRIX_BOOT
return 0; /* No boot code -> no fun */
#endif
if (!kilroy_was_here)
return 0; /* AudioTriX Pro has not been detected earlier */
if (sb_initialized)
return 0;
if ((hw_config->io_base & 0xffffff8f) != 0x200)
return 0;
tmp = hw_config->irq;
if (tmp > 7)
return 0;
if (irq_translate[tmp] == -1)
return 0;
tmp = hw_config->dma;
if (tmp != 1 && tmp != 3)
return 0;
conf = 0x84; /* DMA and IRQ enable */
conf |= hw_config->io_base & 0x70; /* I/O address bits */
conf |= irq_translate[hw_config->irq];
if (hw_config->dma == 3)
conf |= 0x08;
trix_write(0x1b, conf);
download_boot(hw_config->io_base);
sb_initialized = 1;
return 1;
}
void
attach_trix_sb(struct address_info * hw_config)
{
#if (NSB > 0)
sb_dsp_disable_midi();
sb_no_recording = 1;
#endif
conf_printf("AudioTriX (SB)", hw_config);
}
void
attach_trix_mpu(struct address_info * hw_config)
{
#if (defined(CONFIG_MPU401) || defined(CONFIG_MPU_EMU)) && defined(CONFIG_MIDI)
attach_mpu401(hw_config);
#endif
}
int
probe_trix_mpu(struct address_info * hw_config)
{
#if (defined(CONFIG_MPU401) || defined(CONFIG_MPU_EMU)) && defined(CONFIG_MIDI)
u_char conf;
static char irq_bits[] = {-1, -1, -1, 1, 2, 3, -1, 4, -1, 5};
if (!kilroy_was_here) {
DDB(printf("Trix: WSS and SB modes must be initialized before MPU\n"));
return 0; /* AudioTriX Pro has not been detected earlier */
}
if (!sb_initialized) {
DDB(printf("Trix: SB mode must be initialized before MPU\n"));
return 0;
}
if (mpu_initialized) {
DDB(printf("Trix: MPU mode already initialized\n"));
return 0;
}
if (hw_config->irq > 9) {
printf("AudioTriX: Bad MPU IRQ %d\n", hw_config->irq);
return 0;
}
if (irq_bits[hw_config->irq] == -1) {
printf("AudioTriX: Bad MPU IRQ %d\n", hw_config->irq);
return 0;
}
switch (hw_config->io_base) {
case 0x330:
conf = 0x00;
break;
case 0x370:
conf = 0x04;
break;
case 0x3b0:
conf = 0x08;
break;
case 0x3f0:
conf = 0x0c;
break;
default:
return 0; /* Invalid port */
}
conf |= irq_bits[hw_config->irq] << 4;
trix_write(0x19, (trix_read(0x19) & 0x83) | conf);
mpu_initialized = 1;
return probe_mpu401(hw_config);
#else
return 0;
#endif
}
#endif
