static int __devinit snd_mpu401_pnp(int dev, struct pnp_dev *device,
const struct pnp_device_id *id)
{
if (!pnp_port_valid(device, 0) ||
pnp_port_flags(device, 0) & IORESOURCE_DISABLED) {
snd_printk(KERN_ERR "no PnP port\n");
return -ENODEV;
}
if (pnp_port_len(device, 0) < IO_EXTENT) {
snd_printk(KERN_ERR "PnP port length is %llu, expected %d\n",
(unsigned long long)pnp_port_len(device, 0),
IO_EXTENT);
return -ENODEV;
}
port[dev] = pnp_port_start(device, 0);
if (!pnp_irq_valid(device, 0) ||
pnp_irq_flags(device, 0) & IORESOURCE_DISABLED) {
snd_printk(KERN_WARNING "no PnP irq, using polling\n");
irq[dev] = -1;
} else {
irq[dev] = pnp_irq(device, 0);
}
return 0;
}
static int parport_pc_pnp_probe(struct pnp_dev *dev, const struct pnp_device_id *id)
{
struct parport *pdata;
unsigned long io_lo, io_hi;
int dma, irq;
if (pnp_port_valid(dev, 0) && !(pnp_port_flags(dev, 0) & IORESOURCE_DISABLED))
{
io_lo = pnp_port_start(dev, 0);
}
else
return -EINVAL;
#if 0
if (pnp_port_valid(dev,1) &&
!(pnp_port_flags(dev,1) & IORESOURCE_DISABLED)) {
io_hi = pnp_port_start(dev,1);
} else
io_hi = 0;
#endif
#if 0
if (pnp_irq_valid(dev,0) &&
!(pnp_irq_flags(dev,0) & IORESOURCE_DISABLED)) {
irq = pnp_irq(dev,0);
} else
irq = PARPORT_IRQ_NONE;
#endif
#if 0
if (pnp_dma_valid(dev,0) &&
!(pnp_dma_flags(dev,0) & IORESOURCE_DISABLED)) {
dma = pnp_dma(dev,0);
} else
dma = PARPORT_DMA_NONE;
#endif
#if 0
printk(KERN_INFO "parport: PnPBIOS parport detected.\n");
if (!(pdata = parport_pc_probe_port (io_lo, io_hi, irq, dma, NULL)))
return -ENODEV;
pnp_set_drvdata(dev,pdata);
#endif
return 0;
}
int pnp_check_port(struct pnp_dev * dev, int idx)
{
int tmp;
struct pnp_dev *tdev;
unsigned long *port, *end, *tport, *tend;
port = &dev->res.port_resource[idx].start;
end = &dev->res.port_resource[idx].end;
/* if the resource doesn't exist, don't complain about it */
if (dev->res.port_resource[idx].flags & IORESOURCE_UNSET)
return 1;
/* check if the resource is already in use, skip if the
* device is active because it itself may be in use */
if(!dev->active) {
if (__check_region(&ioport_resource, *port, length(port,end)))
return 0;
}
/* check if the resource is reserved */
for (tmp = 0; tmp < 8; tmp++) {
int rport = pnp_reserve_io[tmp << 1];
int rend = pnp_reserve_io[(tmp << 1) + 1] + rport - 1;
if (ranged_conflict(port,end,&rport,&rend))
return 0;
}
/* check for internal conflicts */
for (tmp = 0; tmp < PNP_MAX_PORT && tmp != idx; tmp++) {
if (dev->res.port_resource[tmp].flags & IORESOURCE_IO) {
tport = &dev->res.port_resource[tmp].start;
tend = &dev->res.port_resource[tmp].end;
if (ranged_conflict(port,end,tport,tend))
return 0;
}
}
/* check for conflicts with other pnp devices */
pnp_for_each_dev(tdev) {
if (tdev == dev)
continue;
for (tmp = 0; tmp < PNP_MAX_PORT; tmp++) {
if (tdev->res.port_resource[tmp].flags & IORESOURCE_IO) {
if (pnp_port_flags(dev, tmp) & IORESOURCE_DISABLED)
continue;
tport = &tdev->res.port_resource[tmp].start;
tend = &tdev->res.port_resource[tmp].end;
if (ranged_conflict(port,end,tport,tend))
return 0;
}
}
}
return 1;
}
static int parport_pc_pnp_probe(struct pnp_dev *dev, const struct pnp_device_id *id)
{
unsigned long io_lo, io_hi;
if (pnp_port_valid(dev,0) &&
!(pnp_port_flags(dev,0) & IORESOURCE_DISABLED)) {
io_lo = pnp_port_start(dev,0);
} else
return -EINVAL;
if (pnp_port_valid(dev,1) &&
!(pnp_port_flags(dev,1) & IORESOURCE_DISABLED)) {
io_hi = pnp_port_start(dev,1);
} else
io_hi = 0;
rtapi_print_msg(RTAPI_MSG_INFO, "parport: PnPBIOS parport detected, io_lo=%lx io_hi=%lx\n",
io_lo, io_hi);
pnp_set_drvdata(dev,NULL);
return 0;
}
/* it works in parport_pc's probe function, so why not here? */
static int c2_pnp_probe(struct pnp_dev *dev, const struct pnp_device_id *id)
{
if (pnp_port_valid(dev,0) &&
!(pnp_port_flags(dev,0) & IORESOURCE_DISABLED)) {
io_base = pnp_port_start(dev,0);
}
else {
return -EINVAL;
}
if (pnp_irq_valid(dev,0) &&
!(pnp_irq_flags(dev,0) & IORESOURCE_DISABLED)) {
irq = pnp_irq(dev,0);
if (request_irq(irq, c2_interrupt, SA_INTERRUPT, DEVICE_NAME, NULL)) {
return -EINVAL;
}
}
else {
return -EINVAL;
}
return 0;
}
static ssize_t pnp_show_current_resources(struct device *dmdev, struct device_attribute *attr, char *buf)
{
struct pnp_dev *dev = to_pnp_dev(dmdev);
int i, ret;
pnp_info_buffer_t *buffer;
if (!dev)
return -EINVAL;
buffer = (pnp_info_buffer_t *) pnp_alloc(sizeof(pnp_info_buffer_t));
if (!buffer)
return -ENOMEM;
buffer->len = PAGE_SIZE;
buffer->buffer = buf;
buffer->curr = buffer->buffer;
pnp_printf(buffer,"state = ");
if (dev->active)
pnp_printf(buffer,"active\n");
else
pnp_printf(buffer,"disabled\n");
for (i = 0; i < PNP_MAX_PORT; i++) {
if (pnp_port_valid(dev, i)) {
pnp_printf(buffer,"io");
if (pnp_port_flags(dev, i) & IORESOURCE_DISABLED)
pnp_printf(buffer," disabled\n");
else
pnp_printf(buffer," 0x%llx-0x%llx\n",
(unsigned long long)pnp_port_start(dev, i),
(unsigned long long)pnp_port_end(dev, i));
}
}
for (i = 0; i < PNP_MAX_MEM; i++) {
if (pnp_mem_valid(dev, i)) {
pnp_printf(buffer,"mem");
if (pnp_mem_flags(dev, i) & IORESOURCE_DISABLED)
pnp_printf(buffer," disabled\n");
else
pnp_printf(buffer," 0x%llx-0x%llx\n",
(unsigned long long)pnp_mem_start(dev, i),
(unsigned long long)pnp_mem_end(dev, i));
}
}
for (i = 0; i < PNP_MAX_IRQ; i++) {
if (pnp_irq_valid(dev, i)) {
pnp_printf(buffer,"irq");
if (pnp_irq_flags(dev, i) & IORESOURCE_DISABLED)
pnp_printf(buffer," disabled\n");
else
pnp_printf(buffer," %lld\n",
(unsigned long long)pnp_irq(dev, i));
}
}
for (i = 0; i < PNP_MAX_DMA; i++) {
if (pnp_dma_valid(dev, i)) {
pnp_printf(buffer,"dma");
if (pnp_dma_flags(dev, i) & IORESOURCE_DISABLED)
pnp_printf(buffer," disabled\n");
else
pnp_printf(buffer," %lld\n",
(unsigned long long)pnp_dma(dev, i));
}
}
ret = (buffer->curr - buf);
kfree(buffer);
return ret;
}
