#define _COMPONENT ACPI_RESOURCES
ACPI_MODULE_NAME("rsmisc")
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_rs_generic_register_resource
+ *
+ * PARAMETERS: byte_stream_buffer - Pointer to the resource input byte
+ * stream
+ * bytes_consumed - Pointer to where the number of bytes
+ * consumed the byte_stream_buffer is
+ * returned
+ * output_buffer - Pointer to the return data buffer
+ * structure_size - Pointer to where the number of bytes
+ * in the return data struct is returned
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Take the resource byte stream and fill out the appropriate
+ * structure pointed to by the output_buffer. Return the
+ * number of bytes consumed from the byte stream.
+ *
+ ******************************************************************************/
+acpi_status
+acpi_rs_generic_register_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;
+ u8 temp8;
+ acpi_size struct_size =
+ ACPI_SIZEOF_RESOURCE(struct acpi_resource_generic_reg);
+
+ ACPI_FUNCTION_TRACE("rs_generic_register_resource");
+
+ /* Byte 0 is the Descriptor Type */
+
+ buffer += 1;
+
+ /* Get the Descriptor Length field (Bytes 1-2) */
+
+ ACPI_MOVE_16_TO_16(&temp16, buffer);
+ buffer += 2;
+
+ /* Validate the descriptor length */
+
+ if (temp16 != 12) {
+ return_ACPI_STATUS(AE_AML_BAD_RESOURCE_LENGTH);
+ }
+
+ /* The number of bytes consumed is fixed (12 + 3) */
+
+ *bytes_consumed = 15;
+
+ /* Fill out the structure */
+
+ output_struct->type = ACPI_RSTYPE_GENERIC_REG;
+
+ /* Get space_id (Byte 3) */
+
+ temp8 = *buffer;
+ output_struct->data.generic_reg.space_id = temp8;
+ buffer += 1;
+
+ /* Get register_bit_width (Byte 4) */
+
+ temp8 = *buffer;
+ output_struct->data.generic_reg.bit_width = temp8;
+ buffer += 1;
+
+ /* Get register_bit_offset (Byte 5) */
+
+ temp8 = *buffer;
+ output_struct->data.generic_reg.bit_offset = temp8;
+ buffer += 1;
+
+ /* Get address_size (Byte 6) */
+
+ temp8 = *buffer;
+ output_struct->data.generic_reg.address_size = temp8;
+ buffer += 1;
+
+ /* Get register_address (Bytes 7-14) */
+
+ ACPI_MOVE_64_TO_64(&output_struct->data.generic_reg.address, buffer);
+
+ /* Set the Length parameter */
+
+ output_struct->length = (u32) struct_size;
+
+ /* Return the final size of the structure */
+
+ *structure_size = struct_size;
+ return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_rs_generic_register_stream
+ *
+ * PARAMETERS: Resource - Pointer to the resource linked list
+ * output_buffer - Pointer to the user's return buffer
+ * bytes_consumed - Pointer to where the number of bytes
+ * used in the output_buffer is returned
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Take the linked list resource structure and fills in the
+ * the appropriate bytes in a byte stream
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_rs_generic_register_stream(struct acpi_resource *resource,
+ u8 ** output_buffer, acpi_size * bytes_consumed)
+{
+ u8 *buffer = *output_buffer;
+ u16 temp16;
+
+ ACPI_FUNCTION_TRACE("rs_generic_register_stream");
+
+ /* Set the Descriptor Type (Byte 0) */
+
+ *buffer = ACPI_RDESC_TYPE_GENERIC_REGISTER;
+ buffer += 1;
+
+ /* Set the Descriptor Length (Bytes 1-2) */
+
+ temp16 = 12;
+ ACPI_MOVE_16_TO_16(buffer, &temp16);
+ buffer += 2;
+
+ /* Set space_id (Byte 3) */
+
+ *buffer = (u8) resource->data.generic_reg.space_id;
+ buffer += 1;
+
+ /* Set register_bit_width (Byte 4) */
+
+ *buffer = (u8) resource->data.generic_reg.bit_width;
+ buffer += 1;
+
+ /* Set register_bit_offset (Byte 5) */
+
+ *buffer = (u8) resource->data.generic_reg.bit_offset;
+ buffer += 1;
+
+ /* Set address_size (Byte 6) */
+
+ *buffer = (u8) resource->data.generic_reg.address_size;
+ buffer += 1;
+
+ /* Set register_address (Bytes 7-14) */
+
+ ACPI_MOVE_64_TO_64(buffer, &resource->data.generic_reg.address);
+ buffer += 8;
+
+ /* Return the number of bytes consumed in this operation */
+
+ *bytes_consumed = ACPI_PTR_DIFF(buffer, *output_buffer);
+ return_ACPI_STATUS(AE_OK);
+}
+
/*******************************************************************************
*
* FUNCTION: acpi_rs_end_tag_resource
* number of bytes consumed from the byte stream.
*
******************************************************************************/
+
acpi_status
acpi_rs_end_tag_resource(u8 * byte_stream_buffer,
acpi_size * bytes_consumed,
*bytes_consumed = 2;
- /* Fill out the structure */
+ /* Fill out the structure */
- output_struct->id = ACPI_RSTYPE_END_TAG;
+ output_struct->type = ACPI_RSTYPE_END_TAG;
/* Set the Length parameter */
*
* FUNCTION: acpi_rs_end_tag_stream
*
- * PARAMETERS: linked_list - Pointer to the resource linked list
+ * PARAMETERS: Resource - Pointer to the resource linked list
* output_buffer - Pointer to the user's return buffer
* bytes_consumed - Pointer to where the number of bytes
* used in the output_buffer is returned
******************************************************************************/
acpi_status
-acpi_rs_end_tag_stream(struct acpi_resource *linked_list,
+acpi_rs_end_tag_stream(struct acpi_resource *resource,
u8 ** output_buffer, acpi_size * bytes_consumed)
{
u8 *buffer = *output_buffer;
ACPI_FUNCTION_TRACE("rs_end_tag_stream");
- /* The descriptor field is static */
+ /* The Descriptor Type field is static */
- *buffer = 0x79;
+ *buffer = ACPI_RDESC_TYPE_END_TAG | 0x01;
buffer += 1;
/*
temp8 = *buffer;
- if (temp8 & 0x80) {
+ if (temp8 & ACPI_RDESC_TYPE_LARGE) {
/* Large Item, point to the length field */
buffer += 1;
buffer += 1;
}
- output_struct->id = ACPI_RSTYPE_VENDOR;
+ output_struct->type = ACPI_RSTYPE_VENDOR;
output_struct->data.vendor_specific.length = temp16;
for (index = 0; index < temp16; index++) {
*
* FUNCTION: acpi_rs_vendor_stream
*
- * PARAMETERS: linked_list - Pointer to the resource linked list
+ * PARAMETERS: Resource - Pointer to the resource linked list
* output_buffer - Pointer to the user's return buffer
* bytes_consumed - Pointer to where the number of bytes
* used in the output_buffer is returned
******************************************************************************/
acpi_status
-acpi_rs_vendor_stream(struct acpi_resource *linked_list,
+acpi_rs_vendor_stream(struct acpi_resource *resource,
u8 ** output_buffer, acpi_size * bytes_consumed)
{
u8 *buffer = *output_buffer;
/* Dereference the length to find if this is a large or small item. */
- if (linked_list->data.vendor_specific.length > 7) {
+ if (resource->data.vendor_specific.length > 7) {
/* Large Item, Set the descriptor field and length bytes */
- *buffer = 0x84;
+ *buffer = ACPI_RDESC_TYPE_LARGE_VENDOR;
buffer += 1;
- temp16 = (u16) linked_list->data.vendor_specific.length;
+ temp16 = (u16) resource->data.vendor_specific.length;
ACPI_MOVE_16_TO_16(buffer, &temp16);
buffer += 2;
} else {
/* Small Item, Set the descriptor field */
- temp8 = 0x70;
- temp8 |= (u8) linked_list->data.vendor_specific.length;
+ temp8 = ACPI_RDESC_TYPE_SMALL_VENDOR;
+ temp8 |= (u8) resource->data.vendor_specific.length;
*buffer = temp8;
buffer += 1;
/* Loop through all of the Vendor Specific fields */
- for (index = 0; index < linked_list->data.vendor_specific.length;
- index++) {
- temp8 = linked_list->data.vendor_specific.reserved[index];
+ for (index = 0; index < resource->data.vendor_specific.length; index++) {
+ temp8 = resource->data.vendor_specific.reserved[index];
*buffer = temp8;
buffer += 1;
*bytes_consumed = (temp8 & 0x01) + 1;
- output_struct->id = ACPI_RSTYPE_START_DPF;
+ output_struct->type = ACPI_RSTYPE_START_DPF;
/* Point to Byte 1 if it is used */
/* Fill out the structure */
- output_struct->id = ACPI_RSTYPE_END_DPF;
+ output_struct->type = ACPI_RSTYPE_END_DPF;
/* Set the Length parameter */
*
* FUNCTION: acpi_rs_start_depend_fns_stream
*
- * PARAMETERS: linked_list - Pointer to the resource linked list
+ * PARAMETERS: Resource - Pointer to the resource linked list
* output_buffer - Pointer to the user's return buffer
* bytes_consumed - u32 pointer that is filled with
* the number of bytes of the
******************************************************************************/
acpi_status
-acpi_rs_start_depend_fns_stream(struct acpi_resource *linked_list,
+acpi_rs_start_depend_fns_stream(struct acpi_resource *resource,
u8 ** output_buffer, acpi_size * bytes_consumed)
{
u8 *buffer = *output_buffer;
ACPI_FUNCTION_TRACE("rs_start_depend_fns_stream");
/*
- * The descriptor field is set based upon whether a byte is needed
+ * The descriptor type field is set based upon whether a byte is needed
* to contain Priority data.
*/
if (ACPI_ACCEPTABLE_CONFIGURATION ==
- linked_list->data.start_dpf.compatibility_priority &&
+ resource->data.start_dpf.compatibility_priority &&
ACPI_ACCEPTABLE_CONFIGURATION ==
- linked_list->data.start_dpf.performance_robustness) {
- *buffer = 0x30;
+ resource->data.start_dpf.performance_robustness) {
+ *buffer = ACPI_RDESC_TYPE_START_DEPENDENT;
} else {
- *buffer = 0x31;
+ *buffer = ACPI_RDESC_TYPE_START_DEPENDENT | 0x01;
buffer += 1;
/* Set the Priority Byte Definition */
temp8 = 0;
- temp8 =
- (u8) ((linked_list->data.start_dpf.
- performance_robustness & 0x03) << 2);
- temp8 |=
- (linked_list->data.start_dpf.compatibility_priority & 0x03);
+ temp8 = (u8) ((resource->data.start_dpf.performance_robustness &
+ 0x03) << 2);
+ temp8 |= (resource->data.start_dpf.compatibility_priority &
+ 0x03);
*buffer = temp8;
}
*
* FUNCTION: acpi_rs_end_depend_fns_stream
*
- * PARAMETERS: linked_list - Pointer to the resource linked list
+ * PARAMETERS: Resource - Pointer to the resource linked list
* output_buffer - Pointer to the user's return buffer
* bytes_consumed - Pointer to where the number of bytes
* used in the output_buffer is returned
******************************************************************************/
acpi_status
-acpi_rs_end_depend_fns_stream(struct acpi_resource *linked_list,
+acpi_rs_end_depend_fns_stream(struct acpi_resource *resource,
u8 ** output_buffer, acpi_size * bytes_consumed)
{
u8 *buffer = *output_buffer;
ACPI_FUNCTION_TRACE("rs_end_depend_fns_stream");
- /* The descriptor field is static */
+ /* The Descriptor Type field is static */
- *buffer = 0x38;
+ *buffer = ACPI_RDESC_TYPE_END_DEPENDENT;
buffer += 1;
/* Return the number of bytes consumed in this operation */
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