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-rw-r--r--drivers/pnp/base.h2
-rw-r--r--drivers/pnp/pnpacpi/rsparser.c296
-rw-r--r--drivers/pnp/resource.c16
3 files changed, 50 insertions, 264 deletions
diff --git a/drivers/pnp/base.h b/drivers/pnp/base.h
index fa4e0a5db3f..ffd53e3eb92 100644
--- a/drivers/pnp/base.h
+++ b/drivers/pnp/base.h
@@ -159,6 +159,8 @@ struct pnp_resource {
void pnp_free_resource(struct pnp_resource *pnp_res);
+struct pnp_resource *pnp_add_resource(struct pnp_dev *dev,
+ struct resource *res);
struct pnp_resource *pnp_add_irq_resource(struct pnp_dev *dev, int irq,
int flags);
struct pnp_resource *pnp_add_dma_resource(struct pnp_dev *dev, int dma,
diff --git a/drivers/pnp/pnpacpi/rsparser.c b/drivers/pnp/pnpacpi/rsparser.c
index 5be4a392a3a..b8f4ea7b27f 100644
--- a/drivers/pnp/pnpacpi/rsparser.c
+++ b/drivers/pnp/pnpacpi/rsparser.c
@@ -28,37 +28,6 @@
#include "../base.h"
#include "pnpacpi.h"
-#ifdef CONFIG_IA64
-#define valid_IRQ(i) (1)
-#else
-#define valid_IRQ(i) (((i) != 0) && ((i) != 2))
-#endif
-
-/*
- * Allocated Resources
- */
-static int irq_flags(int triggering, int polarity, int shareable)
-{
- int flags;
-
- if (triggering == ACPI_LEVEL_SENSITIVE) {
- if (polarity == ACPI_ACTIVE_LOW)
- flags = IORESOURCE_IRQ_LOWLEVEL;
- else
- flags = IORESOURCE_IRQ_HIGHLEVEL;
- } else {
- if (polarity == ACPI_ACTIVE_LOW)
- flags = IORESOURCE_IRQ_LOWEDGE;
- else
- flags = IORESOURCE_IRQ_HIGHEDGE;
- }
-
- if (shareable == ACPI_SHARED)
- flags |= IORESOURCE_IRQ_SHAREABLE;
-
- return flags;
-}
-
static void decode_irq_flags(struct pnp_dev *dev, int flags, int *triggering,
int *polarity, int *shareable)
{
@@ -94,45 +63,6 @@ static void decode_irq_flags(struct pnp_dev *dev, int flags, int *triggering,
*shareable = ACPI_EXCLUSIVE;
}
-static void pnpacpi_parse_allocated_irqresource(struct pnp_dev *dev,
- u32 gsi, int triggering,
- int polarity, int shareable)
-{
- int irq, flags;
- int p, t;
-
- if (!valid_IRQ(gsi)) {
- pnp_add_irq_resource(dev, gsi, IORESOURCE_DISABLED);
- return;
- }
-
- /*
- * in IO-APIC mode, use overrided attribute. Two reasons:
- * 1. BIOS bug in DSDT
- * 2. BIOS uses IO-APIC mode Interrupt Source Override
- */
- if (!acpi_get_override_irq(gsi, &t, &p)) {
- t = t ? ACPI_LEVEL_SENSITIVE : ACPI_EDGE_SENSITIVE;
- p = p ? ACPI_ACTIVE_LOW : ACPI_ACTIVE_HIGH;
-
- if (triggering != t || polarity != p) {
- dev_warn(&dev->dev, "IRQ %d override to %s, %s\n",
- gsi, t ? "edge":"level", p ? "low":"high");
- triggering = t;
- polarity = p;
- }
- }
-
- flags = irq_flags(triggering, polarity, shareable);
- irq = acpi_register_gsi(&dev->dev, gsi, triggering, polarity);
- if (irq >= 0)
- pcibios_penalize_isa_irq(irq, 1);
- else
- flags |= IORESOURCE_DISABLED;
-
- pnp_add_irq_resource(dev, irq, flags);
-}
-
static int dma_flags(struct pnp_dev *dev, int type, int bus_master,
int transfer)
{
@@ -177,21 +107,16 @@ static int dma_flags(struct pnp_dev *dev, int type, int bus_master,
return flags;
}
-static void pnpacpi_parse_allocated_ioresource(struct pnp_dev *dev, u64 start,
- u64 len, int io_decode,
- int window)
-{
- int flags = 0;
- u64 end = start + len - 1;
+/*
+ * Allocated Resources
+ */
- if (io_decode == ACPI_DECODE_16)
- flags |= IORESOURCE_IO_16BIT_ADDR;
- if (len == 0 || end >= 0x10003)
- flags |= IORESOURCE_DISABLED;
- if (window)
- flags |= IORESOURCE_WINDOW;
+static void pnpacpi_add_irqresource(struct pnp_dev *dev, struct resource *r)
+{
+ if (!(r->flags & IORESOURCE_DISABLED))
+ pcibios_penalize_isa_irq(r->start, 1);
- pnp_add_io_resource(dev, start, end, flags);
+ pnp_add_resource(dev, r);
}
/*
@@ -249,130 +174,49 @@ static void pnpacpi_parse_allocated_vendor(struct pnp_dev *dev,
}
}
-static void pnpacpi_parse_allocated_memresource(struct pnp_dev *dev,
- u64 start, u64 len,
- int write_protect, int window)
-{
- int flags = 0;
- u64 end = start + len - 1;
-
- if (len == 0)
- flags |= IORESOURCE_DISABLED;
- if (write_protect == ACPI_READ_WRITE_MEMORY)
- flags |= IORESOURCE_MEM_WRITEABLE;
- if (window)
- flags |= IORESOURCE_WINDOW;
-
- pnp_add_mem_resource(dev, start, end, flags);
-}
-
-static void pnpacpi_parse_allocated_busresource(struct pnp_dev *dev,
- u64 start, u64 len)
-{
- u64 end = start + len - 1;
-
- pnp_add_bus_resource(dev, start, end);
-}
-
-static void pnpacpi_parse_allocated_address_space(struct pnp_dev *dev,
- struct acpi_resource *res)
-{
- struct acpi_resource_address64 addr, *p = &addr;
- acpi_status status;
- int window;
- u64 len;
-
- status = acpi_resource_to_address64(res, p);
- if (!ACPI_SUCCESS(status)) {
- dev_warn(&dev->dev, "failed to convert resource type %d\n",
- res->type);
- return;
- }
-
- /* Windows apparently computes length rather than using _LEN */
- len = p->maximum - p->minimum + 1;
- window = (p->producer_consumer == ACPI_PRODUCER) ? 1 : 0;
-
- if (p->resource_type == ACPI_MEMORY_RANGE)
- pnpacpi_parse_allocated_memresource(dev, p->minimum, len,
- p->info.mem.write_protect, window);
- else if (p->resource_type == ACPI_IO_RANGE)
- pnpacpi_parse_allocated_ioresource(dev, p->minimum, len,
- p->granularity == 0xfff ? ACPI_DECODE_10 :
- ACPI_DECODE_16, window);
- else if (p->resource_type == ACPI_BUS_NUMBER_RANGE)
- pnpacpi_parse_allocated_busresource(dev, p->minimum, len);
-}
-
-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;
- int window;
- u64 len;
-
- /* Windows apparently computes length rather than using _LEN */
- len = p->maximum - p->minimum + 1;
- window = (p->producer_consumer == ACPI_PRODUCER) ? 1 : 0;
-
- if (p->resource_type == ACPI_MEMORY_RANGE)
- pnpacpi_parse_allocated_memresource(dev, p->minimum, len,
- p->info.mem.write_protect, window);
- else if (p->resource_type == ACPI_IO_RANGE)
- pnpacpi_parse_allocated_ioresource(dev, p->minimum, len,
- p->granularity == 0xfff ? ACPI_DECODE_10 :
- ACPI_DECODE_16, window);
- else if (p->resource_type == ACPI_BUS_NUMBER_RANGE)
- pnpacpi_parse_allocated_busresource(dev, p->minimum, len);
-}
-
static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res,
void *data)
{
struct pnp_dev *dev = data;
- struct acpi_resource_irq *irq;
struct acpi_resource_dma *dma;
- struct acpi_resource_io *io;
- struct acpi_resource_fixed_io *fixed_io;
struct acpi_resource_vendor_typed *vendor_typed;
- struct acpi_resource_memory24 *memory24;
- struct acpi_resource_memory32 *memory32;
- struct acpi_resource_fixed_memory32 *fixed_memory32;
- struct acpi_resource_extended_irq *extended_irq;
+ struct resource r;
int i, flags;
- switch (res->type) {
- case ACPI_RESOURCE_TYPE_IRQ:
- /*
- * Per spec, only one interrupt per descriptor is allowed in
- * _CRS, but some firmware violates this, so parse them all.
- */
- irq = &res->data.irq;
- if (irq->interrupt_count == 0)
- pnp_add_irq_resource(dev, 0, IORESOURCE_DISABLED);
- else {
- for (i = 0; i < irq->interrupt_count; i++) {
- pnpacpi_parse_allocated_irqresource(dev,
- irq->interrupts[i],
- irq->triggering,
- irq->polarity,
- irq->sharable);
- }
+ if (acpi_dev_resource_memory(res, &r)
+ || acpi_dev_resource_io(res, &r)
+ || acpi_dev_resource_address_space(res, &r)
+ || acpi_dev_resource_ext_address_space(res, &r)) {
+ pnp_add_resource(dev, &r);
+ return AE_OK;
+ }
+ r.flags = 0;
+ if (acpi_dev_resource_interrupt(res, 0, &r)) {
+ pnpacpi_add_irqresource(dev, &r);
+ for (i = 1; acpi_dev_resource_interrupt(res, i, &r); i++)
+ pnpacpi_add_irqresource(dev, &r);
+
+ if (i > 1) {
/*
* The IRQ encoder puts a single interrupt in each
* descriptor, so if a _CRS descriptor has more than
* one interrupt, we won't be able to re-encode it.
*/
- if (pnp_can_write(dev) && irq->interrupt_count > 1) {
+ if (pnp_can_write(dev)) {
dev_warn(&dev->dev, "multiple interrupts in "
"_CRS descriptor; configuration can't "
"be changed\n");
dev->capabilities &= ~PNP_WRITE;
}
}
- break;
+ return AE_OK;
+ } else if (r.flags & IORESOURCE_DISABLED) {
+ pnp_add_irq_resource(dev, 0, IORESOURCE_DISABLED);
+ return AE_OK;
+ }
+ switch (res->type) {
case ACPI_RESOURCE_TYPE_DMA:
dma = &res->data.dma;
if (dma->channel_count > 0 && dma->channels[0] != (u8) -1)
@@ -383,26 +227,10 @@ static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res,
pnp_add_dma_resource(dev, dma->channels[0], flags);
break;
- case ACPI_RESOURCE_TYPE_IO:
- io = &res->data.io;
- pnpacpi_parse_allocated_ioresource(dev,
- io->minimum,
- io->address_length,
- io->io_decode, 0);
- break;
-
case ACPI_RESOURCE_TYPE_START_DEPENDENT:
case ACPI_RESOURCE_TYPE_END_DEPENDENT:
break;
- case ACPI_RESOURCE_TYPE_FIXED_IO:
- fixed_io = &res->data.fixed_io;
- pnpacpi_parse_allocated_ioresource(dev,
- fixed_io->address,
- fixed_io->address_length,
- ACPI_DECODE_10, 0);
- break;
-
case ACPI_RESOURCE_TYPE_VENDOR:
vendor_typed = &res->data.vendor_typed;
pnpacpi_parse_allocated_vendor(dev, vendor_typed);
@@ -411,66 +239,6 @@ static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res,
case ACPI_RESOURCE_TYPE_END_TAG:
break;
- case ACPI_RESOURCE_TYPE_MEMORY24:
- memory24 = &res->data.memory24;
- pnpacpi_parse_allocated_memresource(dev,
- memory24->minimum,
- memory24->address_length,
- memory24->write_protect, 0);
- break;
- case ACPI_RESOURCE_TYPE_MEMORY32:
- memory32 = &res->data.memory32;
- pnpacpi_parse_allocated_memresource(dev,
- memory32->minimum,
- memory32->address_length,
- memory32->write_protect, 0);
- break;
- case ACPI_RESOURCE_TYPE_FIXED_MEMORY32:
- fixed_memory32 = &res->data.fixed_memory32;
- pnpacpi_parse_allocated_memresource(dev,
- fixed_memory32->address,
- fixed_memory32->address_length,
- fixed_memory32->write_protect, 0);
- break;
- case ACPI_RESOURCE_TYPE_ADDRESS16:
- case ACPI_RESOURCE_TYPE_ADDRESS32:
- case ACPI_RESOURCE_TYPE_ADDRESS64:
- pnpacpi_parse_allocated_address_space(dev, res);
- break;
-
- case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64:
- pnpacpi_parse_allocated_ext_address_space(dev, res);
- break;
-
- case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
- extended_irq = &res->data.extended_irq;
-
- if (extended_irq->interrupt_count == 0)
- pnp_add_irq_resource(dev, 0, IORESOURCE_DISABLED);
- else {
- for (i = 0; i < extended_irq->interrupt_count; i++) {
- pnpacpi_parse_allocated_irqresource(dev,
- extended_irq->interrupts[i],
- extended_irq->triggering,
- extended_irq->polarity,
- extended_irq->sharable);
- }
-
- /*
- * The IRQ encoder puts a single interrupt in each
- * descriptor, so if a _CRS descriptor has more than
- * one interrupt, we won't be able to re-encode it.
- */
- if (pnp_can_write(dev) &&
- extended_irq->interrupt_count > 1) {
- dev_warn(&dev->dev, "multiple interrupts in "
- "_CRS descriptor; configuration can't "
- "be changed\n");
- dev->capabilities &= ~PNP_WRITE;
- }
- }
- break;
-
case ACPI_RESOURCE_TYPE_GENERIC_REGISTER:
break;
@@ -531,7 +299,7 @@ static __init void pnpacpi_parse_irq_option(struct pnp_dev *dev,
if (p->interrupts[i])
__set_bit(p->interrupts[i], map.bits);
- flags = irq_flags(p->triggering, p->polarity, p->sharable);
+ flags = acpi_dev_irq_flags(p->triggering, p->polarity, p->sharable);
pnp_register_irq_resource(dev, option_flags, &map, flags);
}
@@ -555,7 +323,7 @@ static __init void pnpacpi_parse_ext_irq_option(struct pnp_dev *dev,
}
}
- flags = irq_flags(p->triggering, p->polarity, p->sharable);
+ flags = acpi_dev_irq_flags(p->triggering, p->polarity, p->sharable);
pnp_register_irq_resource(dev, option_flags, &map, flags);
}
diff --git a/drivers/pnp/resource.c b/drivers/pnp/resource.c
index b0ecacbe53b..3e6db1c1dc2 100644
--- a/drivers/pnp/resource.c
+++ b/drivers/pnp/resource.c
@@ -503,6 +503,22 @@ static struct pnp_resource *pnp_new_resource(struct pnp_dev *dev)
return pnp_res;
}
+struct pnp_resource *pnp_add_resource(struct pnp_dev *dev,
+ struct resource *res)
+{
+ struct pnp_resource *pnp_res;
+
+ pnp_res = pnp_new_resource(dev);
+ if (!pnp_res) {
+ dev_err(&dev->dev, "can't add resource %pR\n", res);
+ return NULL;
+ }
+
+ pnp_res->res = *res;
+ dev_dbg(&dev->dev, "%pR\n", res);
+ return pnp_res;
+}
+
struct pnp_resource *pnp_add_irq_resource(struct pnp_dev *dev, int irq,
int flags)
{
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-20 10:53:49 +0000