static void
attach_mpu (als300_devc * devc)
{
struct address_info hw_config;
hw_config.io_base = devc->mpu_base;
hw_config.irq = -devc->irq;
hw_config.dma = -1;
hw_config.dma2 = -1;
hw_config.always_detect = 0;
hw_config.name = "ALS300 MPU";
hw_config.driver_use_1 = 0;
hw_config.driver_use_2 = 0;
hw_config.osdev = devc->osdev;
#ifdef CREATE_OSP
CREATE_OSP (hw_config.osdev);
#endif
hw_config.card_subtype = 0;
if (!probe_uart401 (&hw_config))
{
cmn_err (CE_WARN, "MPU-401 was not detected\n");
return;
}
devc->mpu_attached = 1;
attach_uart401 (&hw_config);
}
static int __init init_uart401(void)
{
cfg_mpu.irq = irq;
cfg_mpu.io_base = io;
/* Can be loaded either for module use or to provide functions
to others */
if (cfg_mpu.io_base != -1 && cfg_mpu.irq != -1) {
printk(KERN_INFO "MPU-401 UART driver Copyright (C) Hannu Savolainen 1993-1997");
if (!probe_uart401(&cfg_mpu, THIS_MODULE))
return -ENODEV;
}
return 0;
}
static int __init probe_trix_mpu(struct address_info *hw_config)
{
unsigned char conf;
static int irq_bits[] = {
-1, -1, -1, 1, 2, 3, -1, 4, -1, 5
};
if (hw_config->irq > 9)
{
printk(KERN_ERR "AudioTrix: Bad MPU IRQ %d\n", hw_config->irq);
return 0;
}
if (irq_bits[hw_config->irq] == -1)
{
printk(KERN_ERR "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);
hw_config->name = "AudioTrix Pro";
return probe_uart401(hw_config, THIS_MODULE);
}
int probe_mad16_mpu(struct address_info *hw_config)
{
#if defined(CONFIG_UART401) && defined(CONFIG_MIDI)
static int mpu_attached = 0;
static int valid_ports[] = {
0x330, 0x320, 0x310, 0x300
};
static short valid_irqs[] = {9, 10, 5, 7};
unsigned char tmp;
int i; /* A variable with secret power */
if (!already_initialized) /* The MSS port must be initialized first */
return 0;
if (mpu_attached) /* Don't let them call this twice */
return 0;
mpu_attached = 1;
if (board_type < C929) /* Early chip. No MPU support. Just SB MIDI */
{
#if defined(CONFIG_MIDI) && defined(CONFIG_MAD16_OLDCARD)
unsigned char tmp;
tmp = mad_read(MC3_PORT);
/*
* MAD16 SB base is defined by the WSS base. It cannot be changed
* alone.
* Ignore configured I/O base. Use the active setting.
*/
if (mad_read(MC1_PORT) & 0x20)
hw_config->io_base = 0x240;
else
hw_config->io_base = 0x220;
switch (hw_config->irq)
{
case 5:
tmp = (tmp & 0x3f) | 0x80;
break;
case 7:
tmp = (tmp & 0x3f);
break;
case 11:
tmp = (tmp & 0x3f) | 0x40;
break;
default:
printk(KERN_ERR "mad16/Mozart: Invalid MIDI IRQ\n");
return 0;
}
mad_write(MC3_PORT, tmp | 0x04);
hw_config->driver_use_1 = SB_MIDI_ONLY;
return sb_dsp_detect(hw_config);
#else
return 0;
#endif
}
tmp = mad_read(MC6_PORT) & 0x83;
tmp |= 0x80; /* MPU-401 enable */
/*
* Set the MPU base bits
*/
for (i = 0; i < 5; i++)
{
if (i > 3) /* Out of array bounds */
{
printk(KERN_ERR "MAD16 / Mozart: Invalid MIDI port 0x%x\n", hw_config->io_base);
return 0;
}
if (valid_ports[i] == hw_config->io_base)
{
tmp |= i << 5;
break;
}
}
/*
* Set the MPU IRQ bits
*/
for (i = 0; i < 5; i++)
{
if (i > 3) /* Out of array bounds */
{
printk(KERN_ERR "MAD16 / Mozart: Invalid MIDI IRQ %d\n", hw_config->irq);
return 0;
}
if (valid_irqs[i] == hw_config->irq)
{
tmp |= i << 3;
break;
}
}
mad_write(MC6_PORT, tmp); /* Write MPU401 config */
return probe_uart401(hw_config);
#else
return 0;
#endif
}
static int __init probe_mad16_mpu(struct address_info *hw_config)
{
static int mpu_attached = 0;
unsigned char tmp;
if (!already_initialized) /* The MSS port must be initialized first */
return 0;
if (mpu_attached) /* Don't let them call this twice */
return 0;
mpu_attached = 1;
if (board_type < C929) /* Early chip. No MPU support. Just SB MIDI */
{
#ifdef CONFIG_MAD16_OLDCARD
tmp = mad_read(MC3_PORT);
/*
* MAD16 SB base is defined by the WSS base. It cannot be changed
* alone.
* Ignore configured I/O base. Use the active setting.
*/
if (mad_read(MC1_PORT) & 0x20)
hw_config->io_base = 0x240;
else
hw_config->io_base = 0x220;
switch (hw_config->irq)
{
case 5:
tmp = (tmp & 0x3f) | 0x80;
break;
case 7:
tmp = (tmp & 0x3f);
break;
case 11:
tmp = (tmp & 0x3f) | 0x40;
break;
default:
printk(KERN_ERR "mad16/Mozart: Invalid MIDI IRQ\n");
return 0;
}
mad_write(MC3_PORT, tmp | 0x04);
hw_config->driver_use_1 = SB_MIDI_ONLY;
if (!sb_dsp_detect(hw_config, 0, 0, NULL))
return 0;
if (mad_read(MC1_PORT) & 0x20)
hw_config->io_base = 0x240;
else
hw_config->io_base = 0x220;
hw_config->name = "Mad16/Mozart";
sb_dsp_init(hw_config, THIS_MODULE);
return 1;
#else
/* assuming all later Mozart cards are identified as
* either 82C928 or Mozart. If so, following code attempts
* to set MPU register. TODO - add probing
*/
tmp = mad_read(MC8_PORT);
switch (hw_config->irq)
{
case 5:
tmp |= 0x08;
break;
case 7:
tmp |= 0x10;
break;
case 9:
tmp |= 0x18;
break;
case 10:
tmp |= 0x20;
break;
case 11:
tmp |= 0x28;
break;
default:
printk(KERN_ERR "mad16/MOZART: invalid mpu_irq\n");
return 0;
}
switch (hw_config->io_base)
{
case 0x300:
tmp |= 0x01;
break;
case 0x310:
tmp |= 0x03;
break;
case 0x320:
tmp |= 0x05;
break;
case 0x330:
tmp |= 0x07;
break;
default:
printk(KERN_ERR "mad16/MOZART: invalid mpu_io\n");
return 0;
}
mad_write(MC8_PORT, tmp); /* write MPU port parameters */
goto probe_401;
#endif
}
tmp = mad_read(MC6_PORT) & 0x83;
tmp |= 0x80; /* MPU-401 enable */
/* Set the MPU base bits */
switch (hw_config->io_base)
{
case 0x300:
tmp |= 0x60;
break;
case 0x310:
tmp |= 0x40;
break;
case 0x320:
tmp |= 0x20;
break;
case 0x330:
tmp |= 0x00;
break;
default:
printk(KERN_ERR "MAD16: Invalid MIDI port 0x%x\n", hw_config->io_base);
return 0;
}
/* Set the MPU IRQ bits */
switch (hw_config->irq)
{
case 5:
tmp |= 0x10;
break;
case 7:
tmp |= 0x18;
break;
case 9:
tmp |= 0x00;
break;
case 10:
tmp |= 0x08;
break;
default:
printk(KERN_ERR "MAD16: Invalid MIDI IRQ %d\n", hw_config->irq);
break;
}
mad_write(MC6_PORT, tmp); /* Write MPU401 config */
#ifndef CONFIG_MAD16_OLDCARD
probe_401:
#endif
hw_config->driver_use_1 = SB_MIDI_ONLY;
hw_config->name = "Mad16/Mozart";
return probe_uart401(hw_config, THIS_MODULE);
}
