static void pnpacpi_parse_dma_option(struct pnp_option *option, struct acpi_resource_dma *p)
{
int i;
struct pnp_dma * dma;
if (p->number_of_channels == 0)
return;
dma = pnpacpi_kmalloc(sizeof(struct pnp_dma), GFP_KERNEL);
if (!dma)
return;
for(i = 0; i < p->number_of_channels; i++)
dma->map |= 1 << p->channels[i];
dma->flags = 0;
if (p->bus_master)
dma->flags |= IORESOURCE_DMA_MASTER;
switch (p->type) {
case ACPI_COMPATIBILITY:
dma->flags |= IORESOURCE_DMA_COMPATIBLE;
break;
case ACPI_TYPE_A:
dma->flags |= IORESOURCE_DMA_TYPEA;
break;
case ACPI_TYPE_B:
dma->flags |= IORESOURCE_DMA_TYPEB;
break;
case ACPI_TYPE_F:
dma->flags |= IORESOURCE_DMA_TYPEF;
break;
default:
/* Set a default value ? */
dma->flags |= IORESOURCE_DMA_COMPATIBLE;
pnp_err("Invalid DMA type");
}
switch (p->transfer) {
case ACPI_TRANSFER_8:
dma->flags |= IORESOURCE_DMA_8BIT;
break;
case ACPI_TRANSFER_8_16:
dma->flags |= IORESOURCE_DMA_8AND16BIT;
break;
case ACPI_TRANSFER_16:
dma->flags |= IORESOURCE_DMA_16BIT;
break;
default:
/* Set a default value ? */
dma->flags |= IORESOURCE_DMA_8AND16BIT;
pnp_err("Invalid DMA transfer type");
}
pnp_register_dma_resource(option,dma);
return;
}
static __init void pnpacpi_parse_dma_option(struct pnp_dev *dev,
unsigned int option_flags,
struct acpi_resource_dma *p)
{
int i;
unsigned char map = 0, flags;
for (i = 0; i < p->channel_count; i++)
map |= 1 << p->channels[i];
flags = dma_flags(dev, p->type, p->bus_master, p->transfer);
pnp_register_dma_resource(dev, option_flags, map, flags);
}
