patch-2.4.0-test3 linux/drivers/acpi/resources/rsmemory.c
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- Lines: 571
- Date:
Wed Jul 5 11:23:13 2000
- Orig file:
v2.4.0-test2/linux/drivers/acpi/resources/rsmemory.c
- Orig date:
Wed Dec 31 16:00:00 1969
diff -u --recursive --new-file v2.4.0-test2/linux/drivers/acpi/resources/rsmemory.c linux/drivers/acpi/resources/rsmemory.c
@@ -0,0 +1,570 @@
+/******************************************************************************
+ *
+ * Module Name: rsmem24 - Acpi_rs_memory24_resource
+ * Acpi_rs_memory24_stream
+ * Acpi_rs_memory32_range_resource
+ * Acpi_rs_fixed_memory32_resource
+ * Acpi_rs_memory32_range_stream
+ * Acpi_rs_fixed_memory32_stream
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 R. Byron Moore
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+
+#include "acpi.h"
+
+#define _COMPONENT RESOURCE_MANAGER
+ MODULE_NAME ("rsmemory");
+
+
+/***************************************************************************
+ * FUNCTION: Acpi_rs_memory24_resource
+ *
+ * PARAMETERS:
+ * Byte_stream_buffer - Pointer to the resource input byte
+ * stream
+ * Bytes_consumed - u32 pointer that is filled with
+ * the number of bytes consumed from
+ * the Byte_stream_buffer
+ * Output_buffer - Pointer to the user's return buffer
+ * Structure_size - u32 pointer that is filled with
+ * the number of bytes in the filled
+ * in structure
+ *
+ * RETURN: Status AE_OK if okay, else a valid ACPI_STATUS code
+ *
+ * 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_memory24_resource (
+ u8 *byte_stream_buffer,
+ u32 *bytes_consumed,
+ u8 **output_buffer,
+ u32 *structure_size)
+{
+ u8 *buffer = byte_stream_buffer;
+ RESOURCE *output_struct = (RESOURCE *) * output_buffer;
+ u16 temp16 = 0;
+ u8 temp8 = 0;
+ u32 struct_size = sizeof (MEMORY24_RESOURCE) +
+ RESOURCE_LENGTH_NO_DATA;
+
+
+ /*
+ * Point past the Descriptor to get the number of bytes consumed
+ */
+ buffer += 1;
+
+ temp16 = *(u16 *)buffer;
+
+ buffer += 2;
+
+ *bytes_consumed = temp16 + 3;
+
+ output_struct->id = memory24;
+
+ /*
+ * Check Byte 3 the Read/Write bit
+ */
+ temp8 = *buffer;
+
+ buffer += 1;
+
+ output_struct->data.memory24.read_write_attribute = temp8 & 0x01;
+
+ /*
+ * Get Min_base_address (Bytes 4-5)
+ */
+ temp16 = *(u16 *)buffer;
+
+ buffer += 2;
+
+ output_struct->data.memory24.min_base_address = temp16;
+
+ /*
+ * Get Max_base_address (Bytes 6-7)
+ */
+ temp16 = *(u16 *)buffer;
+
+ buffer += 2;
+
+ output_struct->data.memory24.max_base_address = temp16;
+
+ /*
+ * Get Alignment (Bytes 8-9)
+ */
+ temp16 = *(u16 *)buffer;
+
+ buffer += 2;
+
+ output_struct->data.memory24.alignment = temp16;
+
+ /*
+ * Get Range_length (Bytes 10-11)
+ */
+ temp16 = *(u16 *)buffer;
+
+ output_struct->data.memory24.range_length = temp16;
+
+ /*
+ * Set the Length parameter
+ */
+ output_struct->length = struct_size;
+
+ /*
+ * Return the final size of the structure
+ */
+ *structure_size = struct_size;
+
+ return (AE_OK);
+}
+
+
+/***************************************************************************
+ * FUNCTION: Acpi_rs_memory24_stream
+ *
+ * PARAMETERS:
+ * Linked_list - 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
+ * Output_buffer used
+ *
+ * RETURN: Status AE_OK if okay, else a valid ACPI_STATUS code
+ *
+ * DESCRIPTION: Take the linked list resource structure and fills in the
+ * the appropriate bytes in a byte stream
+ *
+ ***************************************************************************/
+
+ACPI_STATUS
+acpi_rs_memory24_stream (
+ RESOURCE *linked_list,
+ u8 **output_buffer,
+ u32 *bytes_consumed)
+{
+ u8 *buffer = *output_buffer;
+ u16 temp16 = 0;
+ u8 temp8 = 0;
+
+
+ /*
+ * The descriptor field is static
+ */
+ *buffer = 0x81;
+
+ buffer += 1;
+
+ /*
+ * The length field is static
+ */
+ temp16 = 0x09;
+
+ MOVE_UNALIGNED16_TO_16 (buffer, &temp16);
+
+ buffer += 2;
+
+ /*
+ * Set the Information Byte
+ */
+ temp8 = (u8) (linked_list->data.memory24.read_write_attribute & 0x01);
+ *buffer = temp8;
+ buffer += 1;
+
+ /*
+ * Set the Range minimum base address
+ */
+ MOVE_UNALIGNED16_TO_16 (buffer, &linked_list->data.memory24.min_base_address);
+ buffer += 2;
+
+ /*
+ * Set the Range maximum base address
+ */
+ MOVE_UNALIGNED16_TO_16 (buffer, &linked_list->data.memory24.max_base_address);
+ buffer += 2;
+
+ /*
+ * Set the base alignment
+ */
+ MOVE_UNALIGNED16_TO_16 (buffer, &linked_list->data.memory24.alignment);
+ buffer += 2;
+
+ /*
+ * Set the range length
+ */
+ MOVE_UNALIGNED16_TO_16 (buffer, &linked_list->data.memory24.range_length);
+ buffer += 2;
+
+ /*
+ * Return the number of bytes consumed in this operation
+ */
+ *bytes_consumed = (u32) ((NATIVE_UINT) buffer -
+ (NATIVE_UINT) *output_buffer);
+
+ return (AE_OK);
+}
+
+
+/***************************************************************************
+ * FUNCTION: Acpi_rs_memory32_range_resource
+ *
+ * PARAMETERS:
+ * Byte_stream_buffer - Pointer to the resource input byte
+ * stream
+ * Bytes_consumed - u32 pointer that is filled with
+ * the number of bytes consumed from
+ * the Byte_stream_buffer
+ * Output_buffer - Pointer to the user's return buffer
+ * Structure_size - u32 pointer that is filled with
+ * the number of bytes in the filled
+ * in structure
+ *
+ * RETURN: Status AE_OK if okay, else a valid ACPI_STATUS code
+ *
+ * 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_memory32_range_resource (
+ u8 *byte_stream_buffer,
+ u32 *bytes_consumed,
+ u8 **output_buffer,
+ u32 *structure_size)
+{
+ u8 *buffer = byte_stream_buffer;
+ RESOURCE *output_struct = (RESOURCE *) * output_buffer;
+ u16 temp16 = 0;
+ u8 temp8 = 0;
+ u32 struct_size = sizeof (MEMORY32_RESOURCE) +
+ RESOURCE_LENGTH_NO_DATA;
+
+
+ /*
+ * Point past the Descriptor to get the number of bytes consumed
+ */
+ buffer += 1;
+
+ MOVE_UNALIGNED16_TO_16 (&temp16, buffer);
+ buffer += 2;
+ *bytes_consumed = temp16 + 3;
+
+ output_struct->id = memory32;
+
+ /*
+ * Point to the place in the output buffer where the data portion will
+ * begin.
+ * 1. Set the RESOURCE_DATA * Data to point to it's own address, then
+ * 2. Set the pointer to the next address.
+ *
+ * NOTE: Output_struct->Data is cast to u8, otherwise, this addition adds
+ * 4 * sizeof(RESOURCE_DATA) instead of 4 * sizeof(u8)
+ */
+
+ /*
+ * Check Byte 3 the Read/Write bit
+ */
+ temp8 = *buffer;
+ buffer += 1;
+
+ output_struct->data.memory32.read_write_attribute = temp8 & 0x01;
+
+ /*
+ * Get Min_base_address (Bytes 4-7)
+ */
+ MOVE_UNALIGNED32_TO_32 (&output_struct->data.memory32.min_base_address,
+ buffer);
+ buffer += 4;
+
+ /*
+ * Get Max_base_address (Bytes 8-11)
+ */
+ MOVE_UNALIGNED32_TO_32 (&output_struct->data.memory32.max_base_address,
+ buffer);
+ buffer += 4;
+
+ /*
+ * Get Alignment (Bytes 12-15)
+ */
+ MOVE_UNALIGNED32_TO_32 (&output_struct->data.memory32.alignment, buffer);
+ buffer += 4;
+
+ /*
+ * Get Range_length (Bytes 16-19)
+ */
+ MOVE_UNALIGNED32_TO_32 (&output_struct->data.memory32.range_length, buffer);
+
+ /*
+ * Set the Length parameter
+ */
+ output_struct->length = struct_size;
+
+ /*
+ * Return the final size of the structure
+ */
+ *structure_size = struct_size;
+
+ return (AE_OK);
+}
+
+
+/***************************************************************************
+ * FUNCTION: Acpi_rs_fixed_memory32_resource
+ *
+ * PARAMETERS:
+ * Byte_stream_buffer - Pointer to the resource input byte
+ * stream
+ * Bytes_consumed - u32 pointer that is filled with
+ * the number of bytes consumed from
+ * the Byte_stream_buffer
+ * Output_buffer - Pointer to the user's return buffer
+ * Structure_size - u32 pointer that is filled with
+ * the number of bytes in the filled
+ * in structure
+ *
+ * RETURN: Status AE_OK if okay, else a valid ACPI_STATUS code
+ *
+ * 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_fixed_memory32_resource (
+ u8 *byte_stream_buffer,
+ u32 *bytes_consumed,
+ u8 **output_buffer,
+ u32 *structure_size)
+{
+ u8 *buffer = byte_stream_buffer;
+ RESOURCE *output_struct = (RESOURCE *) * output_buffer;
+ u16 temp16 = 0;
+ u8 temp8 = 0;
+ u32 struct_size = sizeof (FIXED_MEMORY32_RESOURCE) +
+ RESOURCE_LENGTH_NO_DATA;
+
+
+ /*
+ * Point past the Descriptor to get the number of bytes consumed
+ */
+ buffer += 1;
+ MOVE_UNALIGNED16_TO_16 (&temp16, buffer);
+
+ buffer += 2;
+ *bytes_consumed = temp16 + 3;
+
+ output_struct->id = fixed_memory32;
+
+ /*
+ * Check Byte 3 the Read/Write bit
+ */
+ temp8 = *buffer;
+ buffer += 1;
+ output_struct->data.fixed_memory32.read_write_attribute = temp8 & 0x01;
+
+ /*
+ * Get Range_base_address (Bytes 4-7)
+ */
+ MOVE_UNALIGNED32_TO_32 (&output_struct->data.fixed_memory32.range_base_address,
+ buffer);
+ buffer += 4;
+
+ /*
+ * Get Range_length (Bytes 8-11)
+ */
+ MOVE_UNALIGNED32_TO_32 (&output_struct->data.fixed_memory32.range_length,
+ buffer);
+
+ /*
+ * Set the Length parameter
+ */
+ output_struct->length = struct_size;
+
+ /*
+ * Return the final size of the structure
+ */
+ *structure_size = struct_size;
+
+ return (AE_OK);
+}
+
+
+/***************************************************************************
+ * FUNCTION: Acpi_rs_memory32_range_stream
+ *
+ * PARAMETERS:
+ * Linked_list - 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
+ * Output_buffer used
+ *
+ * RETURN: Status AE_OK if okay, else a valid ACPI_STATUS code
+ *
+ * DESCRIPTION: Take the linked list resource structure and fills in the
+ * the appropriate bytes in a byte stream
+ *
+ ***************************************************************************/
+
+ACPI_STATUS
+acpi_rs_memory32_range_stream (
+ RESOURCE *linked_list,
+ u8 **output_buffer,
+ u32 *bytes_consumed)
+{
+ u8 *buffer = *output_buffer;
+ u16 temp16 = 0;
+ u8 temp8 = 0;
+
+
+ /*
+ * The descriptor field is static
+ */
+ *buffer = 0x85;
+ buffer += 1;
+
+ /*
+ * The length field is static
+ */
+ temp16 = 0x11;
+
+ MOVE_UNALIGNED16_TO_16 (buffer, &temp16);
+ buffer += 2;
+
+ /*
+ * Set the Information Byte
+ */
+ temp8 = (u8) (linked_list->data.memory32.read_write_attribute & 0x01);
+ *buffer = temp8;
+ buffer += 1;
+
+ /*
+ * Set the Range minimum base address
+ */
+ MOVE_UNALIGNED32_TO_32 (buffer, &linked_list->data.memory32.min_base_address);
+ buffer += 4;
+
+ /*
+ * Set the Range maximum base address
+ */
+ MOVE_UNALIGNED32_TO_32 (buffer, &linked_list->data.memory32.max_base_address);
+ buffer += 4;
+
+ /*
+ * Set the base alignment
+ */
+ MOVE_UNALIGNED32_TO_32 (buffer, &linked_list->data.memory32.alignment);
+ buffer += 4;
+
+ /*
+ * Set the range length
+ */
+ MOVE_UNALIGNED32_TO_32 (buffer, &linked_list->data.memory32.range_length);
+ buffer += 4;
+
+ /*
+ * Return the number of bytes consumed in this operation
+ */
+ *bytes_consumed = (u32) ((NATIVE_UINT) buffer -
+ (NATIVE_UINT) *output_buffer);
+
+ return (AE_OK);
+}
+
+
+/***************************************************************************
+ * FUNCTION: Acpi_rs_fixed_memory32_stream
+ *
+ * PARAMETERS:
+ * Linked_list - 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
+ * Output_buffer used
+ *
+ * RETURN: Status AE_OK if okay, else a valid ACPI_STATUS code
+ *
+ * DESCRIPTION: Take the linked list resource structure and fills in the
+ * the appropriate bytes in a byte stream
+ *
+ ***************************************************************************/
+
+ACPI_STATUS
+acpi_rs_fixed_memory32_stream (
+ RESOURCE *linked_list,
+ u8 **output_buffer,
+ u32 *bytes_consumed)
+{
+ u8 *buffer = *output_buffer;
+ u16 temp16 = 0;
+ u8 temp8 = 0;
+
+
+ /*
+ * The descriptor field is static
+ */
+ *buffer = 0x86;
+ buffer += 1;
+
+ /*
+ * The length field is static
+ */
+ temp16 = 0x09;
+
+ MOVE_UNALIGNED16_TO_16 (buffer, &temp16);
+ buffer += 2;
+
+ /*
+ * Set the Information Byte
+ */
+ temp8 = (u8) (linked_list->data.fixed_memory32.read_write_attribute & 0x01);
+ *buffer = temp8;
+ buffer += 1;
+
+ /*
+ * Set the Range base address
+ */
+ MOVE_UNALIGNED32_TO_32 (buffer,
+ &linked_list->data.fixed_memory32.range_base_address);
+ buffer += 4;
+
+ /*
+ * Set the range length
+ */
+ MOVE_UNALIGNED32_TO_32 (buffer,
+ &linked_list->data.fixed_memory32.range_length);
+ buffer += 4;
+
+ /*
+ * Return the number of bytes consumed in this operation
+ */
+ *bytes_consumed = (u32) ((NATIVE_UINT) buffer -
+ (NATIVE_UINT) *output_buffer);
+
+ return (AE_OK);
+}
+
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