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path: root/drivers/pnp/pnpacpi
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Diffstat (limited to 'drivers/pnp/pnpacpi')
-rw-r--r--drivers/pnp/pnpacpi/rsparser.c46
1 files changed, 44 insertions, 2 deletions
diff --git a/drivers/pnp/pnpacpi/rsparser.c b/drivers/pnp/pnpacpi/rsparser.c
index adf17856bacc..e2a87fcfa6cf 100644
--- a/drivers/pnp/pnpacpi/rsparser.c
+++ b/drivers/pnp/pnpacpi/rsparser.c
@@ -287,6 +287,25 @@ static void pnpacpi_parse_allocated_address_space(struct pnp_dev *dev,
ACPI_DECODE_16);
}
+static void pnpacpi_parse_allocated_ext_address_space(struct pnp_dev *dev,
+ struct acpi_resource *res)
+{
+ struct acpi_resource_extended_address64 *p = &res->data.ext_address64;
+
+ if (p->producer_consumer == ACPI_PRODUCER)
+ return;
+
+ if (p->resource_type == ACPI_MEMORY_RANGE)
+ pnpacpi_parse_allocated_memresource(dev,
+ p->minimum, p->address_length,
+ p->info.mem.write_protect);
+ else if (p->resource_type == ACPI_IO_RANGE)
+ pnpacpi_parse_allocated_ioresource(dev,
+ p->minimum, p->address_length,
+ p->granularity == 0xfff ? ACPI_DECODE_10 :
+ ACPI_DECODE_16);
+}
+
static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res,
void *data)
{
@@ -400,8 +419,7 @@ static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res,
break;
case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64:
- if (res->data.ext_address64.producer_consumer == ACPI_PRODUCER)
- return AE_OK;
+ pnpacpi_parse_allocated_ext_address_space(dev, res);
break;
case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
@@ -630,6 +648,28 @@ static __init void pnpacpi_parse_address_option(struct pnp_dev *dev,
IORESOURCE_IO_FIXED);
}
+static __init void pnpacpi_parse_ext_address_option(struct pnp_dev *dev,
+ unsigned int option_flags,
+ struct acpi_resource *r)
+{
+ struct acpi_resource_extended_address64 *p = &r->data.ext_address64;
+ unsigned char flags = 0;
+
+ if (p->address_length == 0)
+ return;
+
+ if (p->resource_type == ACPI_MEMORY_RANGE) {
+ if (p->info.mem.write_protect == ACPI_READ_WRITE_MEMORY)
+ flags = IORESOURCE_MEM_WRITEABLE;
+ pnp_register_mem_resource(dev, option_flags, p->minimum,
+ p->minimum, 0, p->address_length,
+ flags);
+ } else if (p->resource_type == ACPI_IO_RANGE)
+ pnp_register_port_resource(dev, option_flags, p->minimum,
+ p->minimum, 0, p->address_length,
+ IORESOURCE_IO_FIXED);
+}
+
struct acpipnp_parse_option_s {
struct pnp_dev *dev;
unsigned int option_flags;
@@ -711,6 +751,7 @@ static __init acpi_status pnpacpi_option_resource(struct acpi_resource *res,
break;
case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64:
+ pnpacpi_parse_ext_address_option(dev, option_flags, res);
break;
case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
@@ -765,6 +806,7 @@ static int pnpacpi_supported_resource(struct acpi_resource *res)
case ACPI_RESOURCE_TYPE_ADDRESS16:
case ACPI_RESOURCE_TYPE_ADDRESS32:
case ACPI_RESOURCE_TYPE_ADDRESS64:
+ case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64:
case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
return 1;
}