* POSSIBILITY OF SUCH DAMAGES.
*/
-
#include <acpi/acpi.h>
#include <acpi/acresrc.h>
#define _COMPONENT ACPI_RESOURCES
- ACPI_MODULE_NAME ("rsirq")
-
+ACPI_MODULE_NAME("rsirq")
/*******************************************************************************
*
* number of bytes consumed from the byte stream.
*
******************************************************************************/
-
acpi_status
-acpi_rs_irq_resource (
- u8 *byte_stream_buffer,
- acpi_size *bytes_consumed,
- u8 **output_buffer,
- acpi_size *structure_size)
+acpi_rs_irq_resource(u8 * byte_stream_buffer,
+ acpi_size * bytes_consumed,
+ u8 ** output_buffer, acpi_size * structure_size)
{
- u8 *buffer = byte_stream_buffer;
- struct acpi_resource *output_struct = (void *) *output_buffer;
- u16 temp16 = 0;
- u8 temp8 = 0;
- u8 index;
- u8 i;
- acpi_size struct_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_irq);
-
-
- ACPI_FUNCTION_TRACE ("rs_irq_resource");
+ u8 *buffer = byte_stream_buffer;
+ struct acpi_resource *output_struct = (void *)*output_buffer;
+ u16 temp16 = 0;
+ u8 temp8 = 0;
+ u8 index;
+ u8 i;
+ acpi_size struct_size = ACPI_SIZEOF_RESOURCE(struct acpi_resource_irq);
+ ACPI_FUNCTION_TRACE("rs_irq_resource");
/*
* The number of bytes consumed are contained in the descriptor
- * (Bits:0-1)
+ * (Bits:0-1)
*/
temp8 = *buffer;
*bytes_consumed = (temp8 & 0x03) + 1;
output_struct->id = ACPI_RSTYPE_IRQ;
- /*
- * Point to the 16-bits of Bytes 1 and 2
- */
+ /* Point to the 16-bits of Bytes 1 and 2 */
+
buffer += 1;
- ACPI_MOVE_16_TO_16 (&temp16, buffer);
+ ACPI_MOVE_16_TO_16(&temp16, buffer);
output_struct->data.irq.number_of_interrupts = 0;
output_struct->data.irq.number_of_interrupts = i;
if (i > 0) {
- /*
- * Calculate the structure size based upon the number of interrupts
- */
+ /* Calculate the structure size based upon the number of interrupts */
+
struct_size += ((acpi_size) i - 1) * 4;
}
- /*
- * Point to Byte 3 if it is used
- */
+ /* Point to Byte 3 if it is used */
+
if (4 == *bytes_consumed) {
buffer += 2;
temp8 = *buffer;
- /*
- * Check for HE, LL interrupts
- */
+ /* Check for HE, LL interrupts */
+
switch (temp8 & 0x09) {
- case 0x01: /* HE */
- output_struct->data.irq.edge_level = ACPI_EDGE_SENSITIVE;
- output_struct->data.irq.active_high_low = ACPI_ACTIVE_HIGH;
+ case 0x01: /* HE */
+ output_struct->data.irq.edge_level =
+ ACPI_EDGE_SENSITIVE;
+ output_struct->data.irq.active_high_low =
+ ACPI_ACTIVE_HIGH;
break;
- case 0x08: /* LL */
- output_struct->data.irq.edge_level = ACPI_LEVEL_SENSITIVE;
- output_struct->data.irq.active_high_low = ACPI_ACTIVE_LOW;
+ case 0x08: /* LL */
+ output_struct->data.irq.edge_level =
+ ACPI_LEVEL_SENSITIVE;
+ output_struct->data.irq.active_high_low =
+ ACPI_ACTIVE_LOW;
break;
default:
* are allowed (ACPI spec, section "IRQ Format")
* so 0x00 and 0x09 are illegal.
*/
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "Invalid interrupt polarity/trigger in resource list, %X\n", temp8));
- return_ACPI_STATUS (AE_BAD_DATA);
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "Invalid interrupt polarity/trigger in resource list, %X\n",
+ temp8));
+ return_ACPI_STATUS(AE_BAD_DATA);
}
- /*
- * Check for sharable
- */
+ /* Check for sharable */
+
output_struct->data.irq.shared_exclusive = (temp8 >> 3) & 0x01;
- }
- else {
+ } else {
/*
* Assume Edge Sensitive, Active High, Non-Sharable
* per ACPI Specification
output_struct->data.irq.shared_exclusive = ACPI_EXCLUSIVE;
}
- /*
- * Set the Length parameter
- */
+ /* Set the Length parameter */
+
output_struct->length = (u32) struct_size;
- /*
- * Return the final size of the structure
- */
+ /* Return the final size of the structure */
+
*structure_size = struct_size;
- return_ACPI_STATUS (AE_OK);
+ return_ACPI_STATUS(AE_OK);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_rs_irq_stream
******************************************************************************/
acpi_status
-acpi_rs_irq_stream (
- struct acpi_resource *linked_list,
- u8 **output_buffer,
- acpi_size *bytes_consumed)
+acpi_rs_irq_stream(struct acpi_resource *linked_list,
+ u8 ** output_buffer, acpi_size * bytes_consumed)
{
- u8 *buffer = *output_buffer;
- u16 temp16 = 0;
- u8 temp8 = 0;
- u8 index;
- u8 IRqinfo_byte_needed;
-
-
- ACPI_FUNCTION_TRACE ("rs_irq_stream");
+ u8 *buffer = *output_buffer;
+ u16 temp16 = 0;
+ u8 temp8 = 0;
+ u8 index;
+ u8 IRqinfo_byte_needed;
+ ACPI_FUNCTION_TRACE("rs_irq_stream");
/*
* The descriptor field is set based upon whether a third byte is
* needed to contain the IRQ Information.
*/
if (ACPI_EDGE_SENSITIVE == linked_list->data.irq.edge_level &&
- ACPI_ACTIVE_HIGH == linked_list->data.irq.active_high_low &&
- ACPI_EXCLUSIVE == linked_list->data.irq.shared_exclusive) {
+ ACPI_ACTIVE_HIGH == linked_list->data.irq.active_high_low &&
+ ACPI_EXCLUSIVE == linked_list->data.irq.shared_exclusive) {
*buffer = 0x22;
IRqinfo_byte_needed = FALSE;
- }
- else {
+ } else {
*buffer = 0x23;
IRqinfo_byte_needed = TRUE;
}
buffer += 1;
temp16 = 0;
- /*
- * Loop through all of the interrupts and set the mask bits
- */
- for(index = 0;
- index < linked_list->data.irq.number_of_interrupts;
- index++) {
+ /* Loop through all of the interrupts and set the mask bits */
+
+ for (index = 0;
+ index < linked_list->data.irq.number_of_interrupts; index++) {
temp8 = (u8) linked_list->data.irq.interrupts[index];
temp16 |= 0x1 << temp8;
}
- ACPI_MOVE_16_TO_16 (buffer, &temp16);
+ ACPI_MOVE_16_TO_16(buffer, &temp16);
buffer += 2;
- /*
- * Set the IRQ Info byte if needed.
- */
+ /* Set the IRQ Info byte if needed. */
+
if (IRqinfo_byte_needed) {
temp8 = 0;
temp8 = (u8) ((linked_list->data.irq.shared_exclusive &
- 0x01) << 4);
+ 0x01) << 4);
if (ACPI_LEVEL_SENSITIVE == linked_list->data.irq.edge_level &&
- ACPI_ACTIVE_LOW == linked_list->data.irq.active_high_low) {
+ ACPI_ACTIVE_LOW == linked_list->data.irq.active_high_low) {
temp8 |= 0x08;
- }
- else {
+ } else {
temp8 |= 0x01;
}
buffer += 1;
}
- /*
- * Return the number of bytes consumed in this operation
- */
- *bytes_consumed = ACPI_PTR_DIFF (buffer, *output_buffer);
- return_ACPI_STATUS (AE_OK);
-}
+ /* Return the number of bytes consumed in this operation */
+ *bytes_consumed = ACPI_PTR_DIFF(buffer, *output_buffer);
+ return_ACPI_STATUS(AE_OK);
+}
/*******************************************************************************
*
******************************************************************************/
acpi_status
-acpi_rs_extended_irq_resource (
- u8 *byte_stream_buffer,
- acpi_size *bytes_consumed,
- u8 **output_buffer,
- acpi_size *structure_size)
+acpi_rs_extended_irq_resource(u8 * byte_stream_buffer,
+ acpi_size * bytes_consumed,
+ u8 ** output_buffer, acpi_size * structure_size)
{
- u8 *buffer = byte_stream_buffer;
- struct acpi_resource *output_struct = (void *) *output_buffer;
- u16 temp16 = 0;
- u8 temp8 = 0;
- u8 *temp_ptr;
- u8 index;
- acpi_size struct_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_ext_irq);
+ u8 *buffer = byte_stream_buffer;
+ struct acpi_resource *output_struct = (void *)*output_buffer;
+ u16 temp16 = 0;
+ u8 temp8 = 0;
+ u8 *temp_ptr;
+ u8 index;
+ acpi_size struct_size =
+ ACPI_SIZEOF_RESOURCE(struct acpi_resource_ext_irq);
+ ACPI_FUNCTION_TRACE("rs_extended_irq_resource");
- ACPI_FUNCTION_TRACE ("rs_extended_irq_resource");
+ /* Get the Descriptor Length field */
-
- /*
- * Point past the Descriptor to get the number of bytes consumed
- */
buffer += 1;
- ACPI_MOVE_16_TO_16 (&temp16, buffer);
+ ACPI_MOVE_16_TO_16(&temp16, buffer);
/* Validate minimum descriptor length */
if (temp16 < 6) {
- return_ACPI_STATUS (AE_AML_BAD_RESOURCE_LENGTH);
+ return_ACPI_STATUS(AE_AML_BAD_RESOURCE_LENGTH);
}
*bytes_consumed = temp16 + 3;
output_struct->id = ACPI_RSTYPE_EXT_IRQ;
- /*
- * Point to the Byte3
- */
+ /* Point to the Byte3 */
+
buffer += 2;
temp8 = *buffer;
* - Edge/Level are defined opposite in the table vs the headers
*/
output_struct->data.extended_irq.edge_level =
- (temp8 & 0x2) ? ACPI_EDGE_SENSITIVE : ACPI_LEVEL_SENSITIVE;
+ (temp8 & 0x2) ? ACPI_EDGE_SENSITIVE : ACPI_LEVEL_SENSITIVE;
+
+ /* Check Interrupt Polarity */
- /*
- * Check Interrupt Polarity
- */
output_struct->data.extended_irq.active_high_low = (temp8 >> 2) & 0x1;
- /*
- * Check for sharable
- */
+ /* Check for sharable */
+
output_struct->data.extended_irq.shared_exclusive = (temp8 >> 3) & 0x01;
- /*
- * Point to Byte4 (IRQ Table length)
- */
+ /* Point to Byte4 (IRQ Table length) */
+
buffer += 1;
temp8 = *buffer;
/* Must have at least one IRQ */
if (temp8 < 1) {
- return_ACPI_STATUS (AE_AML_BAD_RESOURCE_LENGTH);
+ return_ACPI_STATUS(AE_AML_BAD_RESOURCE_LENGTH);
}
output_struct->data.extended_irq.number_of_interrupts = temp8;
*/
struct_size += (temp8 - 1) * 4;
- /*
- * Point to Byte5 (First IRQ Number)
- */
+ /* Point to Byte5 (First IRQ Number) */
+
buffer += 1;
- /*
- * Cycle through every IRQ in the table
- */
+ /* Cycle through every IRQ in the table */
+
for (index = 0; index < temp8; index++) {
- ACPI_MOVE_32_TO_32 (
- &output_struct->data.extended_irq.interrupts[index], buffer);
+ ACPI_MOVE_32_TO_32(&output_struct->data.extended_irq.
+ interrupts[index], buffer);
/* Point to the next IRQ */
* we add 1 to the length.
*/
if (*bytes_consumed >
- ((acpi_size) output_struct->data.extended_irq.number_of_interrupts * 4) + (5 + 1)) {
+ ((acpi_size) output_struct->data.extended_irq.number_of_interrupts *
+ 4) + (5 + 1)) {
/* Dereference the Index */
temp8 = *buffer;
- output_struct->data.extended_irq.resource_source.index = (u32) temp8;
+ output_struct->data.extended_irq.resource_source.index =
+ (u32) temp8;
/* Point to the String */
buffer += 1;
- /*
- * Point the String pointer to the end of this structure.
- */
+ /* Point the String pointer to the end of this structure. */
+
output_struct->data.extended_irq.resource_source.string_ptr =
- (char *)((char *) output_struct + struct_size);
+ (char *)((char *)output_struct + struct_size);
- temp_ptr = (u8 *) output_struct->data.extended_irq.resource_source.string_ptr;
+ temp_ptr = (u8 *)
+ output_struct->data.extended_irq.resource_source.string_ptr;
/* Copy the string into the buffer */
index = 0;
- while (0x00 != *buffer) {
+ while (*buffer) {
*temp_ptr = *buffer;
temp_ptr += 1;
index += 1;
}
- /*
- * Add the terminating null
- */
- *temp_ptr = 0x00;
- output_struct->data.extended_irq.resource_source.string_length = index + 1;
+ /* Add the terminating null */
+
+ *temp_ptr = 0;
+ output_struct->data.extended_irq.resource_source.string_length =
+ index + 1;
/*
* In order for the struct_size to fall on a 32-bit boundary,
* struct_size to the next 32-bit boundary.
*/
temp8 = (u8) (index + 1);
- struct_size += ACPI_ROUND_UP_to_32_bITS (temp8);
- }
- else {
- output_struct->data.extended_irq.resource_source.index = 0x00;
- output_struct->data.extended_irq.resource_source.string_length = 0;
- output_struct->data.extended_irq.resource_source.string_ptr = NULL;
+ struct_size += ACPI_ROUND_UP_to_32_bITS(temp8);
+ } else {
+ output_struct->data.extended_irq.resource_source.index = 0;
+ output_struct->data.extended_irq.resource_source.string_length =
+ 0;
+ output_struct->data.extended_irq.resource_source.string_ptr =
+ NULL;
}
- /*
- * Set the Length parameter
- */
+ /* Set the Length parameter */
+
output_struct->length = (u32) struct_size;
- /*
- * Return the final size of the structure
- */
+ /* Return the final size of the structure */
+
*structure_size = struct_size;
- return_ACPI_STATUS (AE_OK);
+ return_ACPI_STATUS(AE_OK);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_rs_extended_irq_stream
******************************************************************************/
acpi_status
-acpi_rs_extended_irq_stream (
- struct acpi_resource *linked_list,
- u8 **output_buffer,
- acpi_size *bytes_consumed)
+acpi_rs_extended_irq_stream(struct acpi_resource *linked_list,
+ u8 ** output_buffer, acpi_size * bytes_consumed)
{
- u8 *buffer = *output_buffer;
- u16 *length_field;
- u8 temp8 = 0;
- u8 index;
- char *temp_pointer = NULL;
-
+ u8 *buffer = *output_buffer;
+ u16 *length_field;
+ u8 temp8 = 0;
+ u8 index;
- ACPI_FUNCTION_TRACE ("rs_extended_irq_stream");
+ ACPI_FUNCTION_TRACE("rs_extended_irq_stream");
+ /* Set the Descriptor Type field */
- /*
- * The descriptor field is static
- */
- *buffer = 0x89;
+ *buffer = ACPI_RDESC_TYPE_EXTENDED_XRUPT;
buffer += 1;
- /*
- * Set a pointer to the Length field - to be filled in later
- */
- length_field = ACPI_CAST_PTR (u16, buffer);
+ /* Save a pointer to the Length field - to be filled in later */
+
+ length_field = ACPI_CAST_PTR(u16, buffer);
buffer += 2;
- /*
- * Set the Interrupt vector flags
- */
- temp8 = (u8)(linked_list->data.extended_irq.producer_consumer & 0x01);
- temp8 |= ((linked_list->data.extended_irq.shared_exclusive & 0x01) << 3);
+ /* Set the Interrupt vector flags */
+
+ temp8 = (u8) (linked_list->data.extended_irq.producer_consumer & 0x01);
+ temp8 |=
+ ((linked_list->data.extended_irq.shared_exclusive & 0x01) << 3);
/*
* Set the Interrupt Mode
temp8 |= 0x2;
}
- /*
- * Set the Interrupt Polarity
- */
+ /* Set the Interrupt Polarity */
+
temp8 |= ((linked_list->data.extended_irq.active_high_low & 0x1) << 2);
*buffer = temp8;
buffer += 1;
- /*
- * Set the Interrupt table length
- */
+ /* Set the Interrupt table length */
+
temp8 = (u8) linked_list->data.extended_irq.number_of_interrupts;
*buffer = temp8;
buffer += 1;
- for (index = 0; index < linked_list->data.extended_irq.number_of_interrupts;
- index++) {
- ACPI_MOVE_32_TO_32 (buffer,
- &linked_list->data.extended_irq.interrupts[index]);
+ for (index = 0;
+ index < linked_list->data.extended_irq.number_of_interrupts;
+ index++) {
+ ACPI_MOVE_32_TO_32(buffer,
+ &linked_list->data.extended_irq.
+ interrupts[index]);
buffer += 4;
}
- /*
- * Resource Source Index and Resource Source are optional
- */
+ /* Resource Source Index and Resource Source are optional */
+
if (0 != linked_list->data.extended_irq.resource_source.string_length) {
- *buffer = (u8) linked_list->data.extended_irq.resource_source.index;
+ *buffer =
+ (u8) linked_list->data.extended_irq.resource_source.index;
buffer += 1;
- temp_pointer = (char *) buffer;
+ /* Copy the string */
- /*
- * Copy the string
- */
- ACPI_STRCPY (temp_pointer,
- linked_list->data.extended_irq.resource_source.string_ptr);
+ ACPI_STRCPY((char *)buffer,
+ linked_list->data.extended_irq.resource_source.
+ string_ptr);
/*
- * Buffer needs to be set to the length of the sting + one for the
+ * Buffer needs to be set to the length of the string + one for the
* terminating null
*/
- buffer += (acpi_size)(ACPI_STRLEN (linked_list->data.extended_irq.resource_source.string_ptr) + 1);
+ buffer +=
+ (acpi_size) (ACPI_STRLEN
+ (linked_list->data.extended_irq.
+ resource_source.string_ptr) + 1);
}
- /*
- * Return the number of bytes consumed in this operation
- */
- *bytes_consumed = ACPI_PTR_DIFF (buffer, *output_buffer);
+ /* Return the number of bytes consumed in this operation */
+
+ *bytes_consumed = ACPI_PTR_DIFF(buffer, *output_buffer);
/*
* Set the length field to the number of bytes consumed
* minus the header size (3 bytes)
*/
*length_field = (u16) (*bytes_consumed - 3);
- return_ACPI_STATUS (AE_OK);
+ return_ACPI_STATUS(AE_OK);
}
-
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