/*
* This sets aspects of the Mixer that are not volume levels. (Recording
* source, filter level, I/O filtering, and stereo.)
*/
static int
mixer_set_params (struct sb_mixer_params *user_p)
{
struct sb_mixer_params p;
S_BYTE val;
int src;
unsigned long flags;
IOCTL_FROM_USER ((char *) &p, (char *) user_p, 0, sizeof (p));
if (p.record_source != SRC_MIC
&& p.record_source != SRC_CD
&& p.record_source != SRC_LINE)
return (RET_ERROR (EINVAL));
/*
* I'm not sure if this is The Right Thing. Should stereo be entirely
* under control of DSP? I like being able to toggle it while a sound is
* playing, so I do this... because I can.
*/
DISABLE_INTR (flags);
val = (pas_read (PCM_CONTROL) & ~P_C_MIXER_CROSS_FIELD) | P_C_MIXER_CROSS_R_TO_R | P_C_MIXER_CROSS_L_TO_L;
if (!p.dsp_stereo)
val |= (P_C_MIXER_CROSS_R_TO_L | P_C_MIXER_CROSS_L_TO_R); /* Mono */
pas_write (val, PCM_CONTROL);
RESTORE_INTR (flags);
switch (p.record_source)
{
case SRC_CD:
src = SOUND_MASK_CD;
break;
case SRC_LINE:
src = SOUND_MASK_LINE;
break;
default:
src = SOUND_MASK_MIC;
break;
}
pas_mixer_set (SOUND_MIXER_RECSRC, src);
/*
* setmixer (OUT_FILTER, ((dsp_stereo ? STEREO_DAC : MONO_DAC) |
* (p.filter_output ? FILT_ON : FILT_OFF)));
*/
return (0);
}
void pasintr(int irq, void *dev_id, struct pt_regs *dummy)
{
int status;
status = pas_read(0x0B89);
pas_write(status, 0x0B89); /* Clear interrupt */
if (status & 0x08)
{
pas_pcm_interrupt(status, 1);
status &= ~0x08;
}
if (status & 0x10)
{
pas_midi_interrupt();
status &= ~0x10;
}
}
static irqreturn_t pasintr(int irq, void *dev_id)
{
int status;
status = pas_read(0x0B89);
pas_write(status, 0x0B89); /* Clear interrupt */
if (status & 0x08)
{
pas_pcm_interrupt(status, 1);
status &= ~0x08;
}
if (status & 0x10)
{
pas_midi_interrupt();
status &= ~0x10;
}
return IRQ_HANDLED;
}
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;
}
}
static int __init config_pas_hw(struct address_info *hw_config)
{
char ok = 1;
unsigned int_ptrs; /* scsi/sound interrupt pointers */
pas_irq = hw_config->irq;
pas_write(0x00, 0x0B8B);
pas_write(0x36, 0x138B);
pas_write(0x36, 0x1388);
pas_write(0, 0x1388);
pas_write(0x74, 0x138B);
pas_write(0x74, 0x1389);
pas_write(0, 0x1389);
pas_write(0x80 | 0x40 | 0x20 | 1, 0x0B8A);
pas_write(0x80 | 0x20 | 0x10 | 0x08 | 0x01, 0xF8A);
pas_write(0x01 | 0x02 | 0x04 | 0x10 /*
* |
* 0x80
*/ , 0xB88);
pas_write(0x80 | (joystick ? 0x40 : 0), 0xF388);
if (pas_irq < 0 || pas_irq > 15)
{
printk(KERN_ERR "PAS16: Invalid IRQ %d", pas_irq);
hw_config->irq=-1;
ok = 0;
}
else
{
int_ptrs = pas_read(0xF38A);
int_ptrs = (int_ptrs & 0xf0) | irq_bits[pas_irq];
pas_write(int_ptrs, 0xF38A);
if (!irq_bits[pas_irq])
{
printk(KERN_ERR "PAS16: Invalid IRQ %d", pas_irq);
hw_config->irq=-1;
ok = 0;
}
else
{
if (request_irq(pas_irq, pasintr, 0, "PAS16",hw_config) < 0) {
printk(KERN_ERR "PAS16: Cannot allocate IRQ %d\n",pas_irq);
hw_config->irq=-1;
ok = 0;
}
}
}
if (hw_config->dma < 0 || hw_config->dma > 7)
{
printk(KERN_ERR "PAS16: Invalid DMA selection %d", hw_config->dma);
hw_config->dma=-1;
ok = 0;
}
else
{
pas_write(dma_bits[hw_config->dma], 0xF389);
if (!dma_bits[hw_config->dma])
{
printk(KERN_ERR "PAS16: Invalid DMA selection %d", hw_config->dma);
hw_config->dma=-1;
ok = 0;
}
else
{
if (sound_alloc_dma(hw_config->dma, "PAS16"))
{
printk(KERN_ERR "pas2_card.c: Can't allocate DMA channel\n");
hw_config->dma=-1;
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.
*/
if(symphony)
{
outb((0x05), 0xa8);
outb((0x60), 0xa9);
}
if(broken_bus_clock)
pas_write(0x01 | 0x10 | 0x20 | 0x04, 0x8388);
else
/*
* pas_write(0x01, 0x8388);
*/
pas_write(0x01 | 0x10 | 0x20, 0x8388);
pas_write(0x18, 0x838A); /* ??? */
pas_write(0x20 | 0x01, 0x0B8A); /* Mute off, filter = 17.897 kHz */
pas_write(8, 0xBF8A);
mix_write(0x80 | 5, 0x078B);
mix_write(5, 0x078B);
{
struct address_info *sb_config;
sb_config = &cfg2;
if (sb_config->io_base)
{
unsigned char irq_dma;
/*
* Turn on Sound Blaster compatibility
* bit 1 = SB emulation
* bit 0 = MPU401 emulation (CDPC only :-( )
*/
pas_write(0x02, 0xF788);
/*
* "Emulation address"
*/
pas_write((sb_config->io_base >> 4) & 0x0f, 0xF789);
pas_sb_base = sb_config->io_base;
if (!sb_dma_bits[sb_config->dma])
printk(KERN_ERR "PAS16 Warning: Invalid SB DMA %d\n\n", sb_config->dma);
if (!sb_irq_bits[sb_config->irq])
printk(KERN_ERR "PAS16 Warning: Invalid SB IRQ %d\n\n", sb_config->irq);
irq_dma = sb_dma_bits[sb_config->dma] |
sb_irq_bits[sb_config->irq];
pas_write(irq_dma, 0xFB8A);
}
else
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);
}
}
