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path: root/drivers/acpi/resources/rscalc.c
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Diffstat (limited to 'drivers/acpi/resources/rscalc.c')
-rw-r--r--drivers/acpi/resources/rscalc.c314
1 files changed, 151 insertions, 163 deletions
diff --git a/drivers/acpi/resources/rscalc.c b/drivers/acpi/resources/rscalc.c
index 98176f2fcb5..378f58390fc 100644
--- a/drivers/acpi/resources/rscalc.c
+++ b/drivers/acpi/resources/rscalc.c
@@ -41,15 +41,13 @@
* POSSIBILITY OF SUCH DAMAGES.
*/
-
#include <acpi/acpi.h>
#include <acpi/acresrc.h>
#include <acpi/amlcode.h>
#include <acpi/acnamesp.h>
#define _COMPONENT ACPI_RESOURCES
- ACPI_MODULE_NAME ("rscalc")
-
+ACPI_MODULE_NAME("rscalc")
/*******************************************************************************
*
@@ -66,19 +64,15 @@
* the resource data.
*
******************************************************************************/
-
acpi_status
-acpi_rs_get_byte_stream_length (
- struct acpi_resource *linked_list,
- acpi_size *size_needed)
+acpi_rs_get_byte_stream_length(struct acpi_resource *linked_list,
+ acpi_size * size_needed)
{
- acpi_size byte_stream_size_needed = 0;
- acpi_size segment_size;
- u8 done = FALSE;
-
-
- ACPI_FUNCTION_TRACE ("rs_get_byte_stream_length");
+ acpi_size byte_stream_size_needed = 0;
+ acpi_size segment_size;
+ u8 done = FALSE;
+ ACPI_FUNCTION_TRACE("rs_get_byte_stream_length");
while (!done) {
/* Init the variable that will hold the size to add to the total. */
@@ -145,11 +139,11 @@ acpi_rs_get_byte_stream_length (
*/
if (linked_list->data.vendor_specific.length > 7) {
segment_size = 3;
- }
- else {
+ } else {
segment_size = 1;
}
- segment_size += linked_list->data.vendor_specific.length;
+ segment_size +=
+ linked_list->data.vendor_specific.length;
break;
case ACPI_RSTYPE_END_TAG:
@@ -194,9 +188,11 @@ acpi_rs_get_byte_stream_length (
*/
segment_size = 16;
- if (linked_list->data.address16.resource_source.string_ptr) {
+ if (linked_list->data.address16.resource_source.
+ string_ptr) {
segment_size +=
- linked_list->data.address16.resource_source.string_length;
+ linked_list->data.address16.resource_source.
+ string_length;
segment_size++;
}
break;
@@ -211,9 +207,11 @@ acpi_rs_get_byte_stream_length (
*/
segment_size = 26;
- if (linked_list->data.address32.resource_source.string_ptr) {
+ if (linked_list->data.address32.resource_source.
+ string_ptr) {
segment_size +=
- linked_list->data.address32.resource_source.string_length;
+ linked_list->data.address32.resource_source.
+ string_length;
segment_size++;
}
break;
@@ -227,9 +225,11 @@ acpi_rs_get_byte_stream_length (
*/
segment_size = 46;
- if (linked_list->data.address64.resource_source.string_ptr) {
+ if (linked_list->data.address64.resource_source.
+ string_ptr) {
segment_size +=
- linked_list->data.address64.resource_source.string_length;
+ linked_list->data.address64.resource_source.
+ string_length;
segment_size++;
}
break;
@@ -244,11 +244,14 @@ acpi_rs_get_byte_stream_length (
* Resource Source + 1 for the null.
*/
segment_size = 9 + (((acpi_size)
- linked_list->data.extended_irq.number_of_interrupts - 1) * 4);
+ linked_list->data.extended_irq.
+ number_of_interrupts - 1) * 4);
- if (linked_list->data.extended_irq.resource_source.string_ptr) {
+ if (linked_list->data.extended_irq.resource_source.
+ string_ptr) {
segment_size +=
- linked_list->data.extended_irq.resource_source.string_length;
+ linked_list->data.extended_irq.
+ resource_source.string_length;
segment_size++;
}
break;
@@ -257,9 +260,9 @@ acpi_rs_get_byte_stream_length (
/* If we get here, everything is out of sync, exit with error */
- return_ACPI_STATUS (AE_AML_INVALID_RESOURCE_TYPE);
+ return_ACPI_STATUS(AE_AML_INVALID_RESOURCE_TYPE);
- } /* switch (linked_list->Id) */
+ } /* switch (linked_list->Id) */
/* Update the total */
@@ -267,17 +270,16 @@ acpi_rs_get_byte_stream_length (
/* Point to the next object */
- linked_list = ACPI_PTR_ADD (struct acpi_resource,
- linked_list, linked_list->length);
+ linked_list = ACPI_PTR_ADD(struct acpi_resource,
+ linked_list, linked_list->length);
}
/* This is the data the caller needs */
*size_needed = byte_stream_size_needed;
- return_ACPI_STATUS (AE_OK);
+ return_ACPI_STATUS(AE_OK);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_rs_get_list_length
@@ -297,32 +299,28 @@ acpi_rs_get_byte_stream_length (
******************************************************************************/
acpi_status
-acpi_rs_get_list_length (
- u8 *byte_stream_buffer,
- u32 byte_stream_buffer_length,
- acpi_size *size_needed)
+acpi_rs_get_list_length(u8 * byte_stream_buffer,
+ u32 byte_stream_buffer_length, acpi_size * size_needed)
{
- u32 buffer_size = 0;
- u32 bytes_parsed = 0;
- u8 number_of_interrupts = 0;
- u8 number_of_channels = 0;
- u8 resource_type;
- u32 structure_size;
- u32 bytes_consumed;
- u8 *buffer;
- u8 temp8;
- u16 temp16;
- u8 index;
- u8 additional_bytes;
-
-
- ACPI_FUNCTION_TRACE ("rs_get_list_length");
-
+ u32 buffer_size = 0;
+ u32 bytes_parsed = 0;
+ u8 number_of_interrupts = 0;
+ u8 number_of_channels = 0;
+ u8 resource_type;
+ u32 structure_size;
+ u32 bytes_consumed;
+ u8 *buffer;
+ u8 temp8;
+ u16 temp16;
+ u8 index;
+ u8 additional_bytes;
+
+ ACPI_FUNCTION_TRACE("rs_get_list_length");
while (bytes_parsed < byte_stream_buffer_length) {
/* The next byte in the stream is the resource type */
- resource_type = acpi_rs_get_resource_type (*byte_stream_buffer);
+ resource_type = acpi_rs_get_resource_type(*byte_stream_buffer);
switch (resource_type) {
case ACPI_RDESC_TYPE_MEMORY_24:
@@ -331,10 +329,10 @@ acpi_rs_get_list_length (
*/
bytes_consumed = 12;
- structure_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_mem24);
+ structure_size =
+ ACPI_SIZEOF_RESOURCE(struct acpi_resource_mem24);
break;
-
case ACPI_RDESC_TYPE_LARGE_VENDOR:
/*
* Vendor Defined Resource
@@ -342,38 +340,39 @@ acpi_rs_get_list_length (
buffer = byte_stream_buffer;
++buffer;
- ACPI_MOVE_16_TO_16 (&temp16, buffer);
+ ACPI_MOVE_16_TO_16(&temp16, buffer);
bytes_consumed = temp16 + 3;
/* Ensure a 32-bit boundary for the structure */
- temp16 = (u16) ACPI_ROUND_UP_to_32_bITS (temp16);
+ temp16 = (u16) ACPI_ROUND_UP_to_32_bITS(temp16);
- structure_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_vendor) +
- (temp16 * sizeof (u8));
+ structure_size =
+ ACPI_SIZEOF_RESOURCE(struct acpi_resource_vendor) +
+ (temp16 * sizeof(u8));
break;
-
case ACPI_RDESC_TYPE_MEMORY_32:
/*
* 32-Bit Memory Range Resource
*/
bytes_consumed = 20;
- structure_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_mem32);
+ structure_size =
+ ACPI_SIZEOF_RESOURCE(struct acpi_resource_mem32);
break;
-
case ACPI_RDESC_TYPE_FIXED_MEMORY_32:
/*
* 32-Bit Fixed Memory Resource
*/
bytes_consumed = 12;
- structure_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_fixed_mem32);
+ structure_size =
+ ACPI_SIZEOF_RESOURCE(struct
+ acpi_resource_fixed_mem32);
break;
-
case ACPI_RDESC_TYPE_EXTENDED_ADDRESS_SPACE:
/*
* 64-Bit Address Resource
@@ -381,13 +380,14 @@ acpi_rs_get_list_length (
buffer = byte_stream_buffer;
++buffer;
- ACPI_MOVE_16_TO_16 (&temp16, buffer);
+ ACPI_MOVE_16_TO_16(&temp16, buffer);
bytes_consumed = temp16 + 3;
- structure_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_address64);
+ structure_size =
+ ACPI_SIZEOF_RESOURCE(struct
+ acpi_resource_address64);
break;
-
case ACPI_RDESC_TYPE_QWORD_ADDRESS_SPACE:
/*
* 64-Bit Address Resource
@@ -395,7 +395,7 @@ acpi_rs_get_list_length (
buffer = byte_stream_buffer;
++buffer;
- ACPI_MOVE_16_TO_16 (&temp16, buffer);
+ ACPI_MOVE_16_TO_16(&temp16, buffer);
bytes_consumed = temp16 + 3;
@@ -409,20 +409,19 @@ acpi_rs_get_list_length (
*/
if (43 < temp16) {
temp8 = (u8) (temp16 - 44);
- }
- else {
+ } else {
temp8 = 0;
}
/* Ensure a 64-bit boundary for the structure */
- temp8 = (u8) ACPI_ROUND_UP_to_64_bITS (temp8);
+ temp8 = (u8) ACPI_ROUND_UP_to_64_bITS(temp8);
- structure_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_address64) +
- (temp8 * sizeof (u8));
+ structure_size =
+ ACPI_SIZEOF_RESOURCE(struct acpi_resource_address64)
+ + (temp8 * sizeof(u8));
break;
-
case ACPI_RDESC_TYPE_DWORD_ADDRESS_SPACE:
/*
* 32-Bit Address Resource
@@ -430,7 +429,7 @@ acpi_rs_get_list_length (
buffer = byte_stream_buffer;
++buffer;
- ACPI_MOVE_16_TO_16 (&temp16, buffer);
+ ACPI_MOVE_16_TO_16(&temp16, buffer);
bytes_consumed = temp16 + 3;
@@ -444,20 +443,19 @@ acpi_rs_get_list_length (
*/
if (23 < temp16) {
temp8 = (u8) (temp16 - 24);
- }
- else {
+ } else {
temp8 = 0;
}
/* Ensure a 32-bit boundary for the structure */
- temp8 = (u8) ACPI_ROUND_UP_to_32_bITS (temp8);
+ temp8 = (u8) ACPI_ROUND_UP_to_32_bITS(temp8);
- structure_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_address32) +
- (temp8 * sizeof (u8));
+ structure_size =
+ ACPI_SIZEOF_RESOURCE(struct acpi_resource_address32)
+ + (temp8 * sizeof(u8));
break;
-
case ACPI_RDESC_TYPE_WORD_ADDRESS_SPACE:
/*
* 16-Bit Address Resource
@@ -465,7 +463,7 @@ acpi_rs_get_list_length (
buffer = byte_stream_buffer;
++buffer;
- ACPI_MOVE_16_TO_16 (&temp16, buffer);
+ ACPI_MOVE_16_TO_16(&temp16, buffer);
bytes_consumed = temp16 + 3;
@@ -479,20 +477,19 @@ acpi_rs_get_list_length (
*/
if (13 < temp16) {
temp8 = (u8) (temp16 - 14);
- }
- else {
+ } else {
temp8 = 0;
}
/* Ensure a 32-bit boundary for the structure */
- temp8 = (u8) ACPI_ROUND_UP_to_32_bITS (temp8);
+ temp8 = (u8) ACPI_ROUND_UP_to_32_bITS(temp8);
- structure_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_address16) +
- (temp8 * sizeof (u8));
+ structure_size =
+ ACPI_SIZEOF_RESOURCE(struct acpi_resource_address16)
+ + (temp8 * sizeof(u8));
break;
-
case ACPI_RDESC_TYPE_EXTENDED_XRUPT:
/*
* Extended IRQ
@@ -500,7 +497,7 @@ acpi_rs_get_list_length (
buffer = byte_stream_buffer;
++buffer;
- ACPI_MOVE_16_TO_16 (&temp16, buffer);
+ ACPI_MOVE_16_TO_16(&temp16, buffer);
bytes_consumed = temp16 + 3;
@@ -527,21 +524,20 @@ acpi_rs_get_list_length (
*/
if (9 + additional_bytes < temp16) {
temp8 = (u8) (temp16 - (9 + additional_bytes));
- }
- else {
+ } else {
temp8 = 0;
}
/* Ensure a 32-bit boundary for the structure */
- temp8 = (u8) ACPI_ROUND_UP_to_32_bITS (temp8);
+ temp8 = (u8) ACPI_ROUND_UP_to_32_bITS(temp8);
- structure_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_ext_irq) +
- (additional_bytes * sizeof (u8)) +
- (temp8 * sizeof (u8));
+ structure_size =
+ ACPI_SIZEOF_RESOURCE(struct acpi_resource_ext_irq) +
+ (additional_bytes * sizeof(u8)) +
+ (temp8 * sizeof(u8));
break;
-
case ACPI_RDESC_TYPE_IRQ_FORMAT:
/*
* IRQ Resource.
@@ -550,10 +546,9 @@ acpi_rs_get_list_length (
buffer = byte_stream_buffer;
temp8 = *buffer;
- if(temp8 & 0x01) {
+ if (temp8 & 0x01) {
bytes_consumed = 4;
- }
- else {
+ } else {
bytes_consumed = 3;
}
@@ -563,7 +558,7 @@ acpi_rs_get_list_length (
/* Look at the number of bits set */
- ACPI_MOVE_16_TO_16 (&temp16, buffer);
+ ACPI_MOVE_16_TO_16(&temp16, buffer);
for (index = 0; index < 16; index++) {
if (temp16 & 0x1) {
@@ -573,11 +568,11 @@ acpi_rs_get_list_length (
temp16 >>= 1;
}
- structure_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_io) +
- (number_of_interrupts * sizeof (u32));
+ structure_size =
+ ACPI_SIZEOF_RESOURCE(struct acpi_resource_io) +
+ (number_of_interrupts * sizeof(u32));
break;
-
case ACPI_RDESC_TYPE_DMA_FORMAT:
/*
* DMA Resource
@@ -593,19 +588,19 @@ acpi_rs_get_list_length (
temp8 = *buffer;
- for(index = 0; index < 8; index++) {
- if(temp8 & 0x1) {
+ for (index = 0; index < 8; index++) {
+ if (temp8 & 0x1) {
++number_of_channels;
}
temp8 >>= 1;
}
- structure_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_dma) +
- (number_of_channels * sizeof (u32));
+ structure_size =
+ ACPI_SIZEOF_RESOURCE(struct acpi_resource_dma) +
+ (number_of_channels * sizeof(u32));
break;
-
case ACPI_RDESC_TYPE_START_DEPENDENT:
/*
* Start Dependent Functions Resource
@@ -614,17 +609,17 @@ acpi_rs_get_list_length (
buffer = byte_stream_buffer;
temp8 = *buffer;
- if(temp8 & 0x01) {
+ if (temp8 & 0x01) {
bytes_consumed = 2;
- }
- else {
+ } else {
bytes_consumed = 1;
}
- structure_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_start_dpf);
+ structure_size =
+ ACPI_SIZEOF_RESOURCE(struct
+ acpi_resource_start_dpf);
break;
-
case ACPI_RDESC_TYPE_END_DEPENDENT:
/*
* End Dependent Functions Resource
@@ -633,25 +628,24 @@ acpi_rs_get_list_length (
structure_size = ACPI_RESOURCE_LENGTH;
break;
-
case ACPI_RDESC_TYPE_IO_PORT:
/*
* IO Port Resource
*/
bytes_consumed = 8;
- structure_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_io);
+ structure_size =
+ ACPI_SIZEOF_RESOURCE(struct acpi_resource_io);
break;
-
case ACPI_RDESC_TYPE_FIXED_IO_PORT:
/*
* Fixed IO Port Resource
*/
bytes_consumed = 4;
- structure_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_fixed_io);
+ structure_size =
+ ACPI_SIZEOF_RESOURCE(struct acpi_resource_fixed_io);
break;
-
case ACPI_RDESC_TYPE_SMALL_VENDOR:
/*
* Vendor Specific Resource
@@ -664,12 +658,12 @@ acpi_rs_get_list_length (
/* Ensure a 32-bit boundary for the structure */
- temp8 = (u8) ACPI_ROUND_UP_to_32_bITS (temp8);
- structure_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_vendor) +
- (temp8 * sizeof (u8));
+ temp8 = (u8) ACPI_ROUND_UP_to_32_bITS(temp8);
+ structure_size =
+ ACPI_SIZEOF_RESOURCE(struct acpi_resource_vendor) +
+ (temp8 * sizeof(u8));
break;
-
case ACPI_RDESC_TYPE_END_TAG:
/*
* End Tag
@@ -679,18 +673,17 @@ acpi_rs_get_list_length (
byte_stream_buffer_length = bytes_parsed;
break;
-
default:
/*
* If we get here, everything is out of sync,
* exit with an error
*/
- return_ACPI_STATUS (AE_AML_INVALID_RESOURCE_TYPE);
+ return_ACPI_STATUS(AE_AML_INVALID_RESOURCE_TYPE);
}
/* Update the return value and counter */
- buffer_size += (u32) ACPI_ALIGN_RESOURCE_SIZE (structure_size);
+ buffer_size += (u32) ACPI_ALIGN_RESOURCE_SIZE(structure_size);
bytes_parsed += bytes_consumed;
/* Set the byte stream to point to the next resource */
@@ -701,10 +694,9 @@ acpi_rs_get_list_length (
/* This is the data the caller needs */
*size_needed = buffer_size;
- return_ACPI_STATUS (AE_OK);
+ return_ACPI_STATUS(AE_OK);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_rs_get_pci_routing_table_length
@@ -723,22 +715,19 @@ acpi_rs_get_list_length (
******************************************************************************/
acpi_status
-acpi_rs_get_pci_routing_table_length (
- union acpi_operand_object *package_object,
- acpi_size *buffer_size_needed)
+acpi_rs_get_pci_routing_table_length(union acpi_operand_object *package_object,
+ acpi_size * buffer_size_needed)
{
- u32 number_of_elements;
- acpi_size temp_size_needed = 0;
- union acpi_operand_object **top_object_list;
- u32 index;
- union acpi_operand_object *package_element;
- union acpi_operand_object **sub_object_list;
- u8 name_found;
- u32 table_index;
-
-
- ACPI_FUNCTION_TRACE ("rs_get_pci_routing_table_length");
+ u32 number_of_elements;
+ acpi_size temp_size_needed = 0;
+ union acpi_operand_object **top_object_list;
+ u32 index;
+ union acpi_operand_object *package_element;
+ union acpi_operand_object **sub_object_list;
+ u8 name_found;
+ u32 table_index;
+ ACPI_FUNCTION_TRACE("rs_get_pci_routing_table_length");
number_of_elements = package_object->package.count;
@@ -769,53 +758,51 @@ acpi_rs_get_pci_routing_table_length (
name_found = FALSE;
- for (table_index = 0; table_index < 4 && !name_found; table_index++) {
+ for (table_index = 0; table_index < 4 && !name_found;
+ table_index++) {
if ((ACPI_TYPE_STRING ==
- ACPI_GET_OBJECT_TYPE (*sub_object_list)) ||
-
- ((ACPI_TYPE_LOCAL_REFERENCE ==
- ACPI_GET_OBJECT_TYPE (*sub_object_list)) &&
-
- ((*sub_object_list)->reference.opcode ==
- AML_INT_NAMEPATH_OP))) {
+ ACPI_GET_OBJECT_TYPE(*sub_object_list))
+ ||
+ ((ACPI_TYPE_LOCAL_REFERENCE ==
+ ACPI_GET_OBJECT_TYPE(*sub_object_list))
+ && ((*sub_object_list)->reference.opcode ==
+ AML_INT_NAMEPATH_OP))) {
name_found = TRUE;
- }
- else {
+ } else {
/* Look at the next element */
sub_object_list++;
}
}
- temp_size_needed += (sizeof (struct acpi_pci_routing_table) - 4);
+ temp_size_needed += (sizeof(struct acpi_pci_routing_table) - 4);
/* Was a String type found? */
if (name_found) {
- if (ACPI_GET_OBJECT_TYPE (*sub_object_list) == ACPI_TYPE_STRING) {
+ if (ACPI_GET_OBJECT_TYPE(*sub_object_list) ==
+ ACPI_TYPE_STRING) {
/*
* The length String.Length field does not include the
* terminating NULL, add 1
*/
temp_size_needed += ((acpi_size)
- (*sub_object_list)->string.length + 1);
+ (*sub_object_list)->string.
+ length + 1);
+ } else {
+ temp_size_needed += acpi_ns_get_pathname_length((*sub_object_list)->reference.node);
}
- else {
- temp_size_needed += acpi_ns_get_pathname_length (
- (*sub_object_list)->reference.node);
- }
- }
- else {
+ } else {
/*
* If no name was found, then this is a NULL, which is
* translated as a u32 zero.
*/
- temp_size_needed += sizeof (u32);
+ temp_size_needed += sizeof(u32);
}
/* Round up the size since each element must be aligned */
- temp_size_needed = ACPI_ROUND_UP_to_64_bITS (temp_size_needed);
+ temp_size_needed = ACPI_ROUND_UP_to_64_bITS(temp_size_needed);
/* Point to the next union acpi_operand_object */
@@ -826,6 +813,7 @@ acpi_rs_get_pci_routing_table_length (
* Adding an extra element to the end of the list, essentially a
* NULL terminator
*/
- *buffer_size_needed = temp_size_needed + sizeof (struct acpi_pci_routing_table);
- return_ACPI_STATUS (AE_OK);
+ *buffer_size_needed =
+ temp_size_needed + sizeof(struct acpi_pci_routing_table);
+ return_ACPI_STATUS(AE_OK);
}