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path: root/drivers/pnp/pnpacpi/rsparser.c
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-rw-r--r--drivers/pnp/pnpacpi/rsparser.c210
1 files changed, 96 insertions, 114 deletions
diff --git a/drivers/pnp/pnpacpi/rsparser.c b/drivers/pnp/pnpacpi/rsparser.c
index 407b4eaddcbf..212268881857 100644
--- a/drivers/pnp/pnpacpi/rsparser.c
+++ b/drivers/pnp/pnpacpi/rsparser.c
@@ -36,13 +36,13 @@ static int irq_flags(int triggering, int polarity)
{
int flag;
if (triggering == ACPI_LEVEL_SENSITIVE) {
- if(polarity == ACPI_ACTIVE_LOW)
+ if (polarity == ACPI_ACTIVE_LOW)
flag = IORESOURCE_IRQ_LOWLEVEL;
else
flag = IORESOURCE_IRQ_HIGHLEVEL;
}
else {
- if(polarity == ACPI_ACTIVE_LOW)
+ if (polarity == ACPI_ACTIVE_LOW)
flag = IORESOURCE_IRQ_LOWEDGE;
else
flag = IORESOURCE_IRQ_HIGHEDGE;
@@ -57,7 +57,7 @@ static void decode_irq_flags(int flag, int *triggering, int *polarity)
*triggering = ACPI_LEVEL_SENSITIVE;
*polarity = ACPI_ACTIVE_LOW;
break;
- case IORESOURCE_IRQ_HIGHLEVEL:
+ case IORESOURCE_IRQ_HIGHLEVEL:
*triggering = ACPI_LEVEL_SENSITIVE;
*polarity = ACPI_ACTIVE_HIGH;
break;
@@ -73,8 +73,8 @@ static void decode_irq_flags(int flag, int *triggering, int *polarity)
}
static void
-pnpacpi_parse_allocated_irqresource(struct pnp_resource_table * res, u32 gsi,
- int triggering, int polarity)
+pnpacpi_parse_allocated_irqresource(struct pnp_resource_table *res, u32 gsi,
+ int triggering, int polarity, int shareable)
{
int i = 0;
int irq;
@@ -95,13 +95,16 @@ pnpacpi_parse_allocated_irqresource(struct pnp_resource_table * res, u32 gsi,
return;
}
+ if (shareable)
+ res->irq_resource[i].flags |= IORESOURCE_IRQ_SHAREABLE;
+
res->irq_resource[i].start = irq;
res->irq_resource[i].end = irq;
pcibios_penalize_isa_irq(irq, 1);
}
static void
-pnpacpi_parse_allocated_dmaresource(struct pnp_resource_table * res, u32 dma)
+pnpacpi_parse_allocated_dmaresource(struct pnp_resource_table *res, u32 dma)
{
int i = 0;
while (i < PNP_MAX_DMA &&
@@ -119,8 +122,8 @@ pnpacpi_parse_allocated_dmaresource(struct pnp_resource_table * res, u32 dma)
}
static void
-pnpacpi_parse_allocated_ioresource(struct pnp_resource_table * res,
- u32 io, u32 len)
+pnpacpi_parse_allocated_ioresource(struct pnp_resource_table *res,
+ u64 io, u64 len)
{
int i = 0;
while (!(res->port_resource[i].flags & IORESOURCE_UNSET) &&
@@ -138,7 +141,7 @@ pnpacpi_parse_allocated_ioresource(struct pnp_resource_table * res,
}
static void
-pnpacpi_parse_allocated_memresource(struct pnp_resource_table * res,
+pnpacpi_parse_allocated_memresource(struct pnp_resource_table *res,
u64 mem, u64 len)
{
int i = 0;
@@ -156,11 +159,32 @@ pnpacpi_parse_allocated_memresource(struct pnp_resource_table * res,
}
}
+static void
+pnpacpi_parse_allocated_address_space(struct pnp_resource_table *res_table,
+ struct acpi_resource *res)
+{
+ struct acpi_resource_address64 addr, *p = &addr;
+ acpi_status status;
+
+ status = acpi_resource_to_address64(res, p);
+ if (!ACPI_SUCCESS(status)) {
+ pnp_warn("PnPACPI: failed to convert resource type %d",
+ res->type);
+ return;
+ }
+
+ if (p->resource_type == ACPI_MEMORY_RANGE)
+ pnpacpi_parse_allocated_memresource(res_table,
+ p->minimum, p->address_length);
+ else if (p->resource_type == ACPI_IO_RANGE)
+ pnpacpi_parse_allocated_ioresource(res_table,
+ p->minimum, p->address_length);
+}
static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res,
void *data)
{
- struct pnp_resource_table * res_table = (struct pnp_resource_table *)data;
+ struct pnp_resource_table *res_table = (struct pnp_resource_table *)data;
int i;
switch (res->type) {
@@ -173,7 +197,8 @@ static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res,
pnpacpi_parse_allocated_irqresource(res_table,
res->data.irq.interrupts[i],
res->data.irq.triggering,
- res->data.irq.polarity);
+ res->data.irq.polarity,
+ res->data.irq.sharable);
}
break;
@@ -221,19 +246,9 @@ static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res,
res->data.fixed_memory32.address_length);
break;
case ACPI_RESOURCE_TYPE_ADDRESS16:
- pnpacpi_parse_allocated_memresource(res_table,
- res->data.address16.minimum,
- res->data.address16.address_length);
- break;
case ACPI_RESOURCE_TYPE_ADDRESS32:
- pnpacpi_parse_allocated_memresource(res_table,
- res->data.address32.minimum,
- res->data.address32.address_length);
- break;
case ACPI_RESOURCE_TYPE_ADDRESS64:
- pnpacpi_parse_allocated_memresource(res_table,
- res->data.address64.minimum,
- res->data.address64.address_length);
+ pnpacpi_parse_allocated_address_space(res_table, res);
break;
case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64:
@@ -244,7 +259,8 @@ static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res,
pnpacpi_parse_allocated_irqresource(res_table,
res->data.extended_irq.interrupts[i],
res->data.extended_irq.triggering,
- res->data.extended_irq.polarity);
+ res->data.extended_irq.polarity,
+ res->data.extended_irq.sharable);
}
break;
@@ -255,11 +271,11 @@ static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res,
pnp_warn("PnPACPI: unknown resource type %d", res->type);
return AE_ERROR;
}
-
+
return AE_OK;
}
-acpi_status pnpacpi_parse_allocated_resource(acpi_handle handle, struct pnp_resource_table * res)
+acpi_status pnpacpi_parse_allocated_resource(acpi_handle handle, struct pnp_resource_table *res)
{
/* Blank the resource table values */
pnp_init_resource_table(res);
@@ -317,17 +333,17 @@ static void pnpacpi_parse_dma_option(struct pnp_option *option, struct acpi_reso
pnp_err("Invalid DMA transfer type");
}
- pnp_register_dma_resource(option,dma);
+ pnp_register_dma_resource(option, dma);
return;
}
-
+
static void pnpacpi_parse_irq_option(struct pnp_option *option,
struct acpi_resource_irq *p)
{
int i;
- struct pnp_irq * irq;
-
+ struct pnp_irq *irq;
+
if (p->interrupt_count == 0)
return;
irq = kcalloc(1, sizeof(struct pnp_irq), GFP_KERNEL);
@@ -347,7 +363,7 @@ static void pnpacpi_parse_ext_irq_option(struct pnp_option *option,
struct acpi_resource_extended_irq *p)
{
int i;
- struct pnp_irq * irq;
+ struct pnp_irq *irq;
if (p->interrupt_count == 0)
return;
@@ -368,7 +384,7 @@ static void
pnpacpi_parse_port_option(struct pnp_option *option,
struct acpi_resource_io *io)
{
- struct pnp_port * port;
+ struct pnp_port *port;
if (io->address_length == 0)
return;
@@ -381,7 +397,7 @@ pnpacpi_parse_port_option(struct pnp_option *option,
port->size = io->address_length;
port->flags = ACPI_DECODE_16 == io->io_decode ?
PNP_PORT_FLAG_16BITADDR : 0;
- pnp_register_port_resource(option,port);
+ pnp_register_port_resource(option, port);
return;
}
@@ -389,7 +405,7 @@ static void
pnpacpi_parse_fixed_port_option(struct pnp_option *option,
struct acpi_resource_fixed_io *io)
{
- struct pnp_port * port;
+ struct pnp_port *port;
if (io->address_length == 0)
return;
@@ -400,7 +416,7 @@ pnpacpi_parse_fixed_port_option(struct pnp_option *option,
port->size = io->address_length;
port->align = 0;
port->flags = PNP_PORT_FLAG_FIXED;
- pnp_register_port_resource(option,port);
+ pnp_register_port_resource(option, port);
return;
}
@@ -408,7 +424,7 @@ static void
pnpacpi_parse_mem24_option(struct pnp_option *option,
struct acpi_resource_memory24 *p)
{
- struct pnp_mem * mem;
+ struct pnp_mem *mem;
if (p->address_length == 0)
return;
@@ -423,7 +439,7 @@ pnpacpi_parse_mem24_option(struct pnp_option *option,
mem->flags = (ACPI_READ_WRITE_MEMORY == p->write_protect) ?
IORESOURCE_MEM_WRITEABLE : 0;
- pnp_register_mem_resource(option,mem);
+ pnp_register_mem_resource(option, mem);
return;
}
@@ -431,7 +447,7 @@ static void
pnpacpi_parse_mem32_option(struct pnp_option *option,
struct acpi_resource_memory32 *p)
{
- struct pnp_mem * mem;
+ struct pnp_mem *mem;
if (p->address_length == 0)
return;
@@ -446,7 +462,7 @@ pnpacpi_parse_mem32_option(struct pnp_option *option,
mem->flags = (ACPI_READ_WRITE_MEMORY == p->write_protect) ?
IORESOURCE_MEM_WRITEABLE : 0;
- pnp_register_mem_resource(option,mem);
+ pnp_register_mem_resource(option, mem);
return;
}
@@ -454,7 +470,7 @@ static void
pnpacpi_parse_fixed_mem32_option(struct pnp_option *option,
struct acpi_resource_fixed_memory32 *p)
{
- struct pnp_mem * mem;
+ struct pnp_mem *mem;
if (p->address_length == 0)
return;
@@ -468,7 +484,7 @@ pnpacpi_parse_fixed_mem32_option(struct pnp_option *option,
mem->flags = (ACPI_READ_WRITE_MEMORY == p->write_protect) ?
IORESOURCE_MEM_WRITEABLE : 0;
- pnp_register_mem_resource(option,mem);
+ pnp_register_mem_resource(option, mem);
return;
}
@@ -477,8 +493,8 @@ pnpacpi_parse_address_option(struct pnp_option *option, struct acpi_resource *r)
{
struct acpi_resource_address64 addr, *p = &addr;
acpi_status status;
- struct pnp_mem * mem;
- struct pnp_port * port;
+ struct pnp_mem *mem;
+ struct pnp_port *port;
status = acpi_resource_to_address64(r, p);
if (!ACPI_SUCCESS(status)) {
@@ -498,7 +514,7 @@ pnpacpi_parse_address_option(struct pnp_option *option, struct acpi_resource *r)
mem->align = 0;
mem->flags = (p->info.mem.write_protect ==
ACPI_READ_WRITE_MEMORY) ? IORESOURCE_MEM_WRITEABLE : 0;
- pnp_register_mem_resource(option,mem);
+ pnp_register_mem_resource(option, mem);
} else if (p->resource_type == ACPI_IO_RANGE) {
port = kcalloc(1, sizeof(struct pnp_port), GFP_KERNEL);
if (!port)
@@ -507,7 +523,7 @@ pnpacpi_parse_address_option(struct pnp_option *option, struct acpi_resource *r)
port->size = p->address_length;
port->align = 0;
port->flags = PNP_PORT_FLAG_FIXED;
- pnp_register_port_resource(option,port);
+ pnp_register_port_resource(option, port);
}
}
@@ -531,7 +547,7 @@ static acpi_status pnpacpi_option_resource(struct acpi_resource *res,
break;
case ACPI_RESOURCE_TYPE_DMA:
- pnpacpi_parse_dma_option(option, &res->data.dma);
+ pnpacpi_parse_dma_option(option, &res->data.dma);
break;
case ACPI_RESOURCE_TYPE_START_DEPENDENT:
@@ -539,7 +555,7 @@ static acpi_status pnpacpi_option_resource(struct acpi_resource *res,
case ACPI_GOOD_CONFIGURATION:
priority = PNP_RES_PRIORITY_PREFERRED;
break;
-
+
case ACPI_ACCEPTABLE_CONFIGURATION:
priority = PNP_RES_PRIORITY_ACCEPTABLE;
break;
@@ -555,7 +571,7 @@ static acpi_status pnpacpi_option_resource(struct acpi_resource *res,
option = pnp_register_dependent_option(dev, priority);
if (!option)
return AE_ERROR;
- parse_data->option = option;
+ parse_data->option = option;
break;
case ACPI_RESOURCE_TYPE_END_DEPENDENT:
@@ -615,7 +631,7 @@ static acpi_status pnpacpi_option_resource(struct acpi_resource *res,
pnp_warn("PnPACPI: unknown resource type %d", res->type);
return AE_ERROR;
}
-
+
return AE_OK;
}
@@ -636,13 +652,8 @@ acpi_status pnpacpi_parse_resource_option_data(acpi_handle handle,
return status;
}
-/*
- * Set resource
- */
-static acpi_status pnpacpi_count_resources(struct acpi_resource *res,
- void *data)
+static int pnpacpi_supported_resource(struct acpi_resource *res)
{
- int *res_cnt = (int *)data;
switch (res->type) {
case ACPI_RESOURCE_TYPE_IRQ:
case ACPI_RESOURCE_TYPE_DMA:
@@ -655,43 +666,32 @@ static acpi_status pnpacpi_count_resources(struct acpi_resource *res,
case ACPI_RESOURCE_TYPE_ADDRESS32:
case ACPI_RESOURCE_TYPE_ADDRESS64:
case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
- (*res_cnt) ++;
- case ACPI_RESOURCE_TYPE_START_DEPENDENT:
- case ACPI_RESOURCE_TYPE_END_DEPENDENT:
- case ACPI_RESOURCE_TYPE_VENDOR:
- case ACPI_RESOURCE_TYPE_END_TAG:
- case ACPI_RESOURCE_TYPE_GENERIC_REGISTER:
- default:
- return AE_OK;
+ return 1;
}
- return AE_OK;
+ return 0;
}
-static acpi_status pnpacpi_type_resources(struct acpi_resource *res,
+/*
+ * Set resource
+ */
+static acpi_status pnpacpi_count_resources(struct acpi_resource *res,
void *data)
{
- struct acpi_resource **resource = (struct acpi_resource **)data;
- switch (res->type) {
- case ACPI_RESOURCE_TYPE_IRQ:
- case ACPI_RESOURCE_TYPE_DMA:
- case ACPI_RESOURCE_TYPE_IO:
- case ACPI_RESOURCE_TYPE_FIXED_IO:
- case ACPI_RESOURCE_TYPE_MEMORY24:
- case ACPI_RESOURCE_TYPE_MEMORY32:
- case ACPI_RESOURCE_TYPE_FIXED_MEMORY32:
- case ACPI_RESOURCE_TYPE_ADDRESS16:
- case ACPI_RESOURCE_TYPE_ADDRESS32:
- case ACPI_RESOURCE_TYPE_ADDRESS64:
- case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
+ int *res_cnt = (int *)data;
+
+ if (pnpacpi_supported_resource(res))
+ (*res_cnt)++;
+ return AE_OK;
+}
+
+static acpi_status pnpacpi_type_resources(struct acpi_resource *res, void *data)
+{
+ struct acpi_resource **resource = (struct acpi_resource **)data;
+
+ if (pnpacpi_supported_resource(res)) {
(*resource)->type = res->type;
+ (*resource)->length = sizeof(struct acpi_resource);
(*resource)++;
- case ACPI_RESOURCE_TYPE_START_DEPENDENT:
- case ACPI_RESOURCE_TYPE_END_DEPENDENT:
- case ACPI_RESOURCE_TYPE_VENDOR:
- case ACPI_RESOURCE_TYPE_END_TAG:
- case ACPI_RESOURCE_TYPE_GENERIC_REGISTER:
- default:
- return AE_OK;
}
return AE_OK;
@@ -735,11 +735,8 @@ static void pnpacpi_encode_irq(struct acpi_resource *resource,
struct resource *p)
{
int triggering, polarity;
-
- decode_irq_flags(p->flags & IORESOURCE_BITS, &triggering,
- &polarity);
- resource->type = ACPI_RESOURCE_TYPE_IRQ;
- resource->length = sizeof(struct acpi_resource);
+
+ decode_irq_flags(p->flags & IORESOURCE_BITS, &triggering, &polarity);
resource->data.irq.triggering = triggering;
resource->data.irq.polarity = polarity;
if (triggering == ACPI_EDGE_SENSITIVE)
@@ -754,11 +751,8 @@ static void pnpacpi_encode_ext_irq(struct acpi_resource *resource,
struct resource *p)
{
int triggering, polarity;
-
- decode_irq_flags(p->flags & IORESOURCE_BITS, &triggering,
- &polarity);
- resource->type = ACPI_RESOURCE_TYPE_EXTENDED_IRQ;
- resource->length = sizeof(struct acpi_resource);
+
+ decode_irq_flags(p->flags & IORESOURCE_BITS, &triggering, &polarity);
resource->data.extended_irq.producer_consumer = ACPI_CONSUMER;
resource->data.extended_irq.triggering = triggering;
resource->data.extended_irq.polarity = polarity;
@@ -773,8 +767,6 @@ static void pnpacpi_encode_ext_irq(struct acpi_resource *resource,
static void pnpacpi_encode_dma(struct acpi_resource *resource,
struct resource *p)
{
- resource->type = ACPI_RESOURCE_TYPE_DMA;
- resource->length = sizeof(struct acpi_resource);
/* Note: pnp_assign_dma will copy pnp_dma->flags into p->flags */
if (p->flags & IORESOURCE_DMA_COMPATIBLE)
resource->data.dma.type = ACPI_COMPATIBILITY;
@@ -798,8 +790,6 @@ static void pnpacpi_encode_dma(struct acpi_resource *resource,
static void pnpacpi_encode_io(struct acpi_resource *resource,
struct resource *p)
{
- resource->type = ACPI_RESOURCE_TYPE_IO;
- resource->length = sizeof(struct acpi_resource);
/* Note: pnp_assign_port will copy pnp_port->flags into p->flags */
resource->data.io.io_decode = (p->flags & PNP_PORT_FLAG_16BITADDR)?
ACPI_DECODE_16 : ACPI_DECODE_10;
@@ -812,8 +802,6 @@ static void pnpacpi_encode_io(struct acpi_resource *resource,
static void pnpacpi_encode_fixed_io(struct acpi_resource *resource,
struct resource *p)
{
- resource->type = ACPI_RESOURCE_TYPE_FIXED_IO;
- resource->length = sizeof(struct acpi_resource);
resource->data.fixed_io.address = p->start;
resource->data.fixed_io.address_length = p->end - p->start + 1;
}
@@ -821,8 +809,6 @@ static void pnpacpi_encode_fixed_io(struct acpi_resource *resource,
static void pnpacpi_encode_mem24(struct acpi_resource *resource,
struct resource *p)
{
- resource->type = ACPI_RESOURCE_TYPE_MEMORY24;
- resource->length = sizeof(struct acpi_resource);
/* Note: pnp_assign_mem will copy pnp_mem->flags into p->flags */
resource->data.memory24.write_protect =
(p->flags & IORESOURCE_MEM_WRITEABLE) ?
@@ -836,8 +822,6 @@ static void pnpacpi_encode_mem24(struct acpi_resource *resource,
static void pnpacpi_encode_mem32(struct acpi_resource *resource,
struct resource *p)
{
- resource->type = ACPI_RESOURCE_TYPE_MEMORY32;
- resource->length = sizeof(struct acpi_resource);
resource->data.memory32.write_protect =
(p->flags & IORESOURCE_MEM_WRITEABLE) ?
ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY;
@@ -850,8 +834,6 @@ static void pnpacpi_encode_mem32(struct acpi_resource *resource,
static void pnpacpi_encode_fixed_mem32(struct acpi_resource *resource,
struct resource *p)
{
- resource->type = ACPI_RESOURCE_TYPE_FIXED_MEMORY32;
- resource->length = sizeof(struct acpi_resource);
resource->data.fixed_memory32.write_protect =
(p->flags & IORESOURCE_MEM_WRITEABLE) ?
ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY;
@@ -882,37 +864,37 @@ int pnpacpi_encode_resources(struct pnp_resource_table *res_table,
pnp_dbg("Encode dma");
pnpacpi_encode_dma(resource,
&res_table->dma_resource[dma]);
- dma ++;
+ dma++;
break;
case ACPI_RESOURCE_TYPE_IO:
pnp_dbg("Encode io");
pnpacpi_encode_io(resource,
&res_table->port_resource[port]);
- port ++;
+ port++;
break;
case ACPI_RESOURCE_TYPE_FIXED_IO:
pnp_dbg("Encode fixed io");
pnpacpi_encode_fixed_io(resource,
&res_table->port_resource[port]);
- port ++;
+ port++;
break;
case ACPI_RESOURCE_TYPE_MEMORY24:
pnp_dbg("Encode mem24");
pnpacpi_encode_mem24(resource,
&res_table->mem_resource[mem]);
- mem ++;
+ mem++;
break;
case ACPI_RESOURCE_TYPE_MEMORY32:
pnp_dbg("Encode mem32");
pnpacpi_encode_mem32(resource,
&res_table->mem_resource[mem]);
- mem ++;
+ mem++;
break;
case ACPI_RESOURCE_TYPE_FIXED_MEMORY32:
pnp_dbg("Encode fixed mem32");
pnpacpi_encode_fixed_mem32(resource,
&res_table->mem_resource[mem]);
- mem ++;
+ mem++;
break;
case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
pnp_dbg("Encode ext irq");
@@ -933,8 +915,8 @@ int pnpacpi_encode_resources(struct pnp_resource_table *res_table,
pnp_warn("unknown resource type %d", resource->type);
return -EINVAL;
}
- resource ++;
- i ++;
+ resource++;
+ i++;
}
return 0;
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.