static int __init maui_init(int irq)
{
unsigned char bits;
switch (irq) {
case 9:
bits = 0x00;
break;
case 5:
bits = 0x08;
break;
case 12:
bits = 0x10;
break;
case 15:
bits = 0x18;
break;
default:
printk(KERN_ERR "Maui: Invalid IRQ %d\n", irq);
return 0;
}
outb((0x00), HOST_CTRL_PORT); /* Reset */
outb((bits), HOST_DATA_PORT); /* Set the IRQ bits */
outb((bits | 0x80), HOST_DATA_PORT); /* Set the IRQ bits again? */
outb((0x80), HOST_CTRL_PORT); /* Leave reset */
outb((0x80), HOST_CTRL_PORT); /* Leave reset */
outb((0xD0), HOST_CTRL_PORT); /* Cause interrupt */
#ifdef CONFIG_SMP
{
int i;
for (i = 0; i < 1000000 && !irq_ok; i++)
;
if (!irq_ok)
return 0;
}
#endif
outb((0x80), HOST_CTRL_PORT); /* Leave reset */
printk(KERN_INFO "Turtle Beach Maui initialization\n");
if (!download_code())
return 0;
outb((0xE0), HOST_CTRL_PORT); /* Normal operation */
/* Select mpu401 mode */
maui_write(0xf0);
maui_write(1);
if (maui_read() != 0x80) {
maui_write(0xf0);
maui_write(1);
if (maui_read() != 0x80)
printk(KERN_ERR "Maui didn't acknowledge set HW mode command\n");
}
printk(KERN_INFO "Maui initialized OK\n");
return 1;
}
static int maui_load_patch(int dev, int format, const char __user *addr,
int offs, int count, int pmgr_flag)
{
struct sysex_info header;
unsigned long left, src_offs;
int hdr_size = (unsigned long) &header.data[0] - (unsigned long) &header;
int i;
if (format == SYSEX_PATCH) /* Handled by midi_synth.c */
return orig_load_patch(dev, format, addr, offs, count, pmgr_flag);
if (format != MAUI_PATCH)
{
printk(KERN_WARNING "Maui: Unknown patch format\n");
}
if (count < hdr_size) {
/* printk("Maui error: Patch header too short\n");*/
return -EINVAL;
}
count -= hdr_size;
/*
* Copy the header from user space but ignore the first bytes which have
* been transferred already.
*/
if(copy_from_user(&((char *) &header)[offs], &(addr)[offs], hdr_size - offs))
return -EFAULT;
if (count < header.len) {
printk(KERN_ERR "Maui warning: Host command record too short (%d<%d)\n", count, (int) header.len);
header.len = count;
}
left = header.len;
src_offs = 0;
for (i = 0; i < left; i++) {
unsigned char data;
if(get_user(*(unsigned char *) &data, (unsigned char __user *) &((addr)[hdr_size + i])))
return -EFAULT;
if (i == 0 && !(data & 0x80))
return -EINVAL;
if (maui_write(data) == -1)
return -EIO;
}
if ((i = maui_read()) != 0x80) {
if (i != -1)
printk("Maui: Error status %02x\n", i);
return -EIO;
}
return 0;
}
static int __init probe_maui(struct address_info *hw_config)
{
struct resource *ports;
int this_dev;
int i;
int tmp1, tmp2, ret;
ports = request_region(hw_config->io_base, 2, "mpu401");
if (!ports)
return 0;
if (!request_region(hw_config->io_base + 2, 6, "Maui"))
goto out;
maui_base = hw_config->io_base;
maui_osp = hw_config->osp;
if (request_irq(hw_config->irq, mauiintr, 0, "Maui", NULL) < 0)
goto out2;
/*
* Initialize the processor if necessary
*/
if (maui_osLen > 0) {
if (!(inb(HOST_STAT_PORT) & STAT_TX_AVAIL) ||
!maui_write(0x9F) || /* Report firmware version */
!maui_short_wait(STAT_RX_AVAIL) ||
maui_read() == -1 || maui_read() == -1)
if (!maui_init(hw_config->irq))
goto out3;
}
if (!maui_write(0xCF)) /* Report hardware version */ {
printk(KERN_ERR "No WaveFront firmware detected (card uninitialized?)\n");
goto out3;
}
if ((tmp1 = maui_read()) == -1 || (tmp2 = maui_read()) == -1) {
printk(KERN_ERR "No WaveFront firmware detected (card uninitialized?)\n");
goto out3;
}
if (tmp1 == 0xff || tmp2 == 0xff)
goto out3;
printk(KERN_DEBUG "WaveFront hardware version %d.%d\n", tmp1, tmp2);
if (!maui_write(0x9F)) /* Report firmware version */
goto out3;
if ((tmp1 = maui_read()) == -1 || (tmp2 = maui_read()) == -1)
goto out3;
printk(KERN_DEBUG "WaveFront firmware version %d.%d\n", tmp1, tmp2);
if (!maui_write(0x85)) /* Report free DRAM */
goto out3;
tmp1 = 0;
for (i = 0; i < 4; i++) {
tmp1 |= maui_read() << (7 * i);
}
printk(KERN_DEBUG "Available DRAM %dk\n", tmp1 / 1024);
for (i = 0; i < 1000; i++)
if (probe_mpu401(hw_config, ports))
break;
ret = probe_mpu401(hw_config, ports);
if (!ret)
goto out3;
conf_printf("Maui", hw_config);
hw_config->irq *= -1;
hw_config->name = "Maui";
attach_mpu401(hw_config, THIS_MODULE);
if (hw_config->slots[1] != -1) /* The MPU401 driver installed itself */ {
struct synth_operations *synth;
this_dev = hw_config->slots[1];
/*
* Intercept patch loading calls so that they can be handled
* by the Maui driver.
*/
synth = midi_devs[this_dev]->converter;
if (synth != NULL) {
synth->id = "MAUI";
orig_load_patch = synth->load_patch;
synth->load_patch = &maui_load_patch;
} else
printk(KERN_ERR "Maui: Can't install patch loader\n");
}
return 1;
out3:
free_irq(hw_config->irq, NULL);
out2:
release_region(hw_config->io_base + 2, 6);
out:
release_region(hw_config->io_base, 2);
return 0;
}
static int __init download_code(void)
{
int i, lines = 0;
int eol_seen = 0, done = 0;
int skip = 1;
printk(KERN_INFO "Code download (%d bytes): ", maui_osLen);
for (i = 0; i < maui_osLen; i++) {
if (maui_os[i] != '\r') {
if (!skip || (maui_os[i] == 'S' && (i == 0 || maui_os[i - 1] == '\n'))) {
skip = 0;
if (maui_os[i] == '\n')
eol_seen = skip = 1;
else if (maui_os[i] == 'S') {
if (maui_os[i + 1] == '8')
done = 1;
if (!maui_write(0xF1))
goto failure;
if (!maui_write('S'))
goto failure;
} else {
if (!maui_write(maui_os[i]))
goto failure;
}
if (eol_seen) {
int c = 0;
int n;
eol_seen = 0;
for (n = 0; n < 2; n++) {
if (maui_wait(STAT_RX_AVAIL)) {
c = inb(HOST_DATA_PORT);
break;
}
}
if (c != 0x80) {
printk("Download not acknowledged\n");
return 0;
}
else if (!(lines++ % 10))
printk(".");
if (done) {
printk("\n");
printk(KERN_INFO "Download complete\n");
return 1;
}
}
}
}
}
failure:
printk("\n");
printk(KERN_ERR "Download failed!!!\n");
return 0;
}
static int __init probe_maui(struct address_info *hw_config)
{
int i;
int tmp1, tmp2, ret;
if (check_region(hw_config->io_base, 8))
return 0;
maui_base = hw_config->io_base;
maui_osp = hw_config->osp;
if (request_irq(hw_config->irq, mauiintr, 0, "Maui", NULL) < 0)
return 0;
/*
* Initialize the processor if necessary
*/
if (maui_osLen > 0) {
if (!(inb(HOST_STAT_PORT) & STAT_TX_AVAIL) ||
!maui_write(0x9F) || /* Report firmware version */
!maui_short_wait(STAT_RX_AVAIL) ||
maui_read() == -1 || maui_read() == -1)
if (!maui_init(hw_config->irq)) {
free_irq(hw_config->irq, NULL);
return 0;
}
}
if (!maui_write(0xCF)) /* Report hardware version */ {
printk(KERN_ERR "No WaveFront firmware detected (card uninitialized?)\n");
free_irq(hw_config->irq, NULL);
return 0;
}
if ((tmp1 = maui_read()) == -1 || (tmp2 = maui_read()) == -1) {
printk(KERN_ERR "No WaveFront firmware detected (card uninitialized?)\n");
free_irq(hw_config->irq, NULL);
return 0;
}
if (tmp1 == 0xff || tmp2 == 0xff) {
free_irq(hw_config->irq, NULL);
return 0;
}
printk(KERN_DEBUG "WaveFront hardware version %d.%d\n", tmp1, tmp2);
if (!maui_write(0x9F)) /* Report firmware version */
return 0;
if ((tmp1 = maui_read()) == -1 || (tmp2 = maui_read()) == -1)
return 0;
printk(KERN_DEBUG "WaveFront firmware version %d.%d\n", tmp1, tmp2);
if (!maui_write(0x85)) /* Report free DRAM */
return 0;
tmp1 = 0;
for (i = 0; i < 4; i++) {
tmp1 |= maui_read() << (7 * i);
}
printk(KERN_DEBUG "Available DRAM %dk\n", tmp1 / 1024);
for (i = 0; i < 1000; i++)
if (probe_mpu401(hw_config))
break;
ret = probe_mpu401(hw_config);
if (ret)
request_region(hw_config->io_base + 2, 6, "Maui");
return ret;
}
