void
attach_gus_card (struct address_info *hw_config)
{
int io_addr;
gus_osp = hw_config->osp;
snd_set_irq_handler (hw_config->irq, gusintr, "Gravis Ultrasound", hw_config->osp);
if (gus_wave_detect (hw_config->io_base)) /*
* Try first the default
*/
{
gus_wave_init (hw_config);
request_region (hw_config->io_base, 16, "GUS");
request_region (hw_config->io_base + 0x100, 12, "GUS"); /* 0x10c-> is MAX */
if (sound_alloc_dma (hw_config->dma, "GUS"))
printk ("gus_card.c: Can't allocate DMA channel\n");
if (hw_config->dma2 != -1 && hw_config->dma2 != hw_config->dma)
if (sound_alloc_dma (hw_config->dma2, "GUS(2)"))
printk ("gus_card.c: Can't allocate DMA channel2\n");
#ifdef CONFIG_MIDI
gus_midi_init ();
#endif
return;
}
#ifndef EXCLUDE_GUS_IODETECT
/*
* Look at the possible base addresses (0x2X0, X=1, 2, 3, 4, 5, 6)
*/
for (io_addr = 0x210; io_addr <= 0x260; io_addr += 0x10)
if (io_addr != hw_config->io_base) /*
* Already tested
*/
if (gus_wave_detect (io_addr))
{
hw_config->io_base = io_addr;
printk (" WARNING! GUS found at %x, config was %x ", io_addr, hw_config->io_base);
gus_wave_init (hw_config);
request_region (io_addr, 16, "GUS");
request_region (io_addr + 0x100, 12, "GUS"); /* 0x10c-> is MAX */
if (sound_alloc_dma (hw_config->dma, "GUS"))
printk ("gus_card.c: Can't allocate DMA channel\n");
if (hw_config->dma2 != -1 && hw_config->dma2 != hw_config->dma)
if (sound_alloc_dma (hw_config->dma2, "GUS"))
printk ("gus_card.c: Can't allocate DMA channel2\n");
#ifdef CONFIG_MIDI
gus_midi_init ();
#endif
return;
}
#endif
}
int
probe_uart6850 (struct address_info *hw_config)
{
int ok = 0;
uart6850_base = hw_config->io_base;
uart6850_irq = hw_config->irq;
if (snd_set_irq_handler (uart6850_irq, m6850intr, "MIDI6850") < 0)
return 0;
ok = reset_uart6850 ();
uart6850_detected = ok;
return ok;
}
long
attach_gus_card (long mem_start, struct address_info *hw_config)
{
int io_addr;
snd_set_irq_handler (hw_config->irq, gusintr);
if (gus_wave_detect (hw_config->io_base)) /* Try first the default */
{
mem_start = gus_wave_init (mem_start, hw_config->irq, hw_config->dma);
#ifndef EXCLUDE_MIDI
mem_start = gus_midi_init (mem_start);
#endif
return mem_start;
}
#ifndef EXCLUDE_GUS_IODETECT
/*
* Look at the possible base addresses (0x2X0, X=1, 2, 3, 4, 5, 6)
*/
for (io_addr = 0x210; io_addr <= 0x260; io_addr += 0x10)
if (io_addr != hw_config->io_base) /* Already tested */
if (gus_wave_detect (io_addr))
{
printk (" WARNING! GUS found at %x, config was %x ", io_addr, hw_config->io_base);
mem_start = gus_wave_init (mem_start, hw_config->irq, hw_config->dma);
#ifndef EXCLUDE_MIDI
mem_start = gus_midi_init (mem_start);
#endif
return mem_start;
}
#endif
return mem_start; /* Not detected */
}
void
attach_sscape(struct address_info * hw_config)
{
#ifndef SSCAPE_REGS
/*
* Config register values for Spea/V7 Media FX and Ensoniq S-2000.
* These values are card dependent. If you have another SoundScape
* based card, you have to find the correct values. Do the following:
* - Compile this driver with SSCAPE_DEBUG1 defined. - Shut down and
* power off your machine. - Boot with DOS so that the SSINIT.EXE
* program is run. - Warm boot to {Linux|SYSV|BSD} and write down the
* lines displayed when detecting the SoundScape. - Modify the
* following list to use the values printed during boot. Undefine the
* SSCAPE_DEBUG1
*/
#define SSCAPE_REGS { \
/* I0 */ 0x00, \
0xf0, /* Note! Ignored. Set always to 0xf0 */ \
0x20, /* Note! Ignored. Set always to 0x20 */ \
0x20, /* Note! Ignored. Set always to 0x20 */ \
0xf5, /* Ignored */ \
0x10, \
0x00, \
0x2e, /* I7 MEM config A. Likely to vary between models */ \
0x00, /* I8 MEM config B. Likely to vary between models */ \
/* I9 */ 0x40 /* Ignored */ \
}
#endif
u_long flags;
static u_char regs[10] = SSCAPE_REGS;
int i, irq_bits = 0xff;
if (sscape_detected != hw_config->io_base)
return;
if (old_hardware) {
valid_interrupts = valid_interrupts_old;
conf_printf("Ensoniq Soundscape (old)", hw_config);
} else
conf_printf("Ensoniq Soundscape", hw_config);
for (i = 0; i < sizeof(valid_interrupts); i++)
if (hw_config->irq == valid_interrupts[i]) {
irq_bits = i;
break;
}
if (hw_config->irq > 15 || (regs[4] = irq_bits == 0xff)) {
printf("Invalid IRQ%d\n", hw_config->irq);
return;
}
flags = splhigh();
for (i = 1; i < 10; i++)
switch (i) {
case 1: /* Host interrupt enable */
sscape_write(devc, i, 0xf0); /* All interrupts enabled */
break;
case 2: /* DMA A status/trigger register */
case 3: /* DMA B status/trigger register */
sscape_write(devc, i, 0x20); /* DMA channel disabled */
break;
case 4: /* Host interrupt config reg */
sscape_write(devc, i, 0xf0 | (irq_bits << 2) | irq_bits);
break;
case 5: /* Don't destroy CD-ROM DMA config bits (0xc0) */
sscape_write(devc, i, (regs[i] & 0x3f) |
(sscape_read(devc, i) & 0xc0));
break;
case 6: /* CD-ROM config. Don't touch. */
break;
case 9: /* Master control reg. Don't modify CR-ROM
* bits. Disable SB emul */
sscape_write(devc, i, (sscape_read(devc, i) & 0xf0) | 0x00);
break;
default:
sscape_write(devc, i, regs[i]);
}
splx(flags);
#ifdef SSCAPE_DEBUG2
/*
* Temporary debugging aid. Print contents of the registers after
* changing them.
*/
{
int i;
for (i = 0; i < 13; i++)
printf("I%d = %02x (new value)\n", i, sscape_read(devc, i));
}
#endif
#if defined(CONFIG_MIDI) && defined(CONFIG_MPU_EMU)
if (probe_mpu401(hw_config))
hw_config->always_detect = 1;
{
int prev_devs;
prev_devs = num_midis;
attach_mpu401(hw_config);
if (num_midis == (prev_devs + 1)) /* The MPU driver
* installed itself */
midi_devs[prev_devs]->coproc = &sscape_coproc_operations;
}
#endif
#ifndef EXCLUDE_NATIVE_PCM
/* Not supported yet */
#ifdef CONFIG_AUDIO
if (num_audiodevs < MAX_AUDIO_DEV) {
int my_dev;
audio_devs[my_dev = num_audiodevs++] = &sscape_audio_operations;
audio_devs[my_dev]->dmachan1 = hw_config->dma;
audio_devs[my_dev]->buffsize = DSP_BUFFSIZE;
audio_devs[my_dev]->devc = devc;
devc->my_audiodev = my_dev;
devc->opened = 0;
audio_devs[my_dev]->coproc = &sscape_coproc_operations;
if (snd_set_irq_handler(hw_config->irq, sscapeintr, devc->osp) < 0)
printf("Error: Can't allocate IRQ for SoundScape\n");
sscape_write(devc, GA_INTENA_REG, 0x80); /* Master IRQ enable */
} else
printf("SoundScape: More than enough audio devices detected\n");
#endif
#endif
devc->ok = 1;
devc->failed = 0;
return;
}
static 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);
}
}