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-rw-r--r--drivers/acpi/executer/exregion.c499
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diff --git a/drivers/acpi/executer/exregion.c b/drivers/acpi/executer/exregion.c
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index ceb269e45aba..000000000000
--- a/drivers/acpi/executer/exregion.c
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@@ -1,499 +0,0 @@
-
-/******************************************************************************
- *
- * Module Name: exregion - ACPI default op_region (address space) handlers
- *
- *****************************************************************************/
-
-/*
- * Copyright (C) 2000 - 2008, Intel Corp.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions, and the following disclaimer,
- * without modification.
- * 2. Redistributions in binary form must reproduce at minimum a disclaimer
- * substantially similar to the "NO WARRANTY" disclaimer below
- * ("Disclaimer") and any redistribution must be conditioned upon
- * including a substantially similar Disclaimer requirement for further
- * binary redistribution.
- * 3. Neither the names of the above-listed copyright holders nor the names
- * of any contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * Alternatively, this software may be distributed under the terms of the
- * GNU General Public License ("GPL") version 2 as published by the Free
- * Software Foundation.
- *
- * NO WARRANTY
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGES.
- */
-
-#include <acpi/acpi.h>
-#include <acpi/accommon.h>
-#include <acpi/acinterp.h>
-
-#define _COMPONENT ACPI_EXECUTER
-ACPI_MODULE_NAME("exregion")
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ex_system_memory_space_handler
- *
- * PARAMETERS: Function - Read or Write operation
- * Address - Where in the space to read or write
- * bit_width - Field width in bits (8, 16, or 32)
- * Value - Pointer to in or out value
- * handler_context - Pointer to Handler's context
- * region_context - Pointer to context specific to the
- * accessed region
- *
- * RETURN: Status
- *
- * DESCRIPTION: Handler for the System Memory address space (Op Region)
- *
- ******************************************************************************/
-acpi_status
-acpi_ex_system_memory_space_handler(u32 function,
- acpi_physical_address address,
- u32 bit_width,
- acpi_integer * value,
- void *handler_context, void *region_context)
-{
- acpi_status status = AE_OK;
- void *logical_addr_ptr = NULL;
- struct acpi_mem_space_context *mem_info = region_context;
- u32 length;
- acpi_size window_size;
-#ifdef ACPI_MISALIGNMENT_NOT_SUPPORTED
- u32 remainder;
-#endif
-
- ACPI_FUNCTION_TRACE(ex_system_memory_space_handler);
-
- /* Validate and translate the bit width */
-
- switch (bit_width) {
- case 8:
- length = 1;
- break;
-
- case 16:
- length = 2;
- break;
-
- case 32:
- length = 4;
- break;
-
- case 64:
- length = 8;
- break;
-
- default:
- ACPI_ERROR((AE_INFO, "Invalid SystemMemory width %d",
- bit_width));
- return_ACPI_STATUS(AE_AML_OPERAND_VALUE);
- }
-
-#ifdef ACPI_MISALIGNMENT_NOT_SUPPORTED
- /*
- * Hardware does not support non-aligned data transfers, we must verify
- * the request.
- */
- (void)acpi_ut_short_divide((acpi_integer) address, length, NULL,
- &remainder);
- if (remainder != 0) {
- return_ACPI_STATUS(AE_AML_ALIGNMENT);
- }
-#endif
-
- /*
- * Does the request fit into the cached memory mapping?
- * Is 1) Address below the current mapping? OR
- * 2) Address beyond the current mapping?
- */
- if ((address < mem_info->mapped_physical_address) ||
- (((acpi_integer) address + length) > ((acpi_integer)
- mem_info->
- mapped_physical_address +
- mem_info->mapped_length))) {
- /*
- * The request cannot be resolved by the current memory mapping;
- * Delete the existing mapping and create a new one.
- */
- if (mem_info->mapped_length) {
-
- /* Valid mapping, delete it */
-
- acpi_os_unmap_memory(mem_info->mapped_logical_address,
- mem_info->mapped_length);
- }
-
- /*
- * Don't attempt to map memory beyond the end of the region, and
- * constrain the maximum mapping size to something reasonable.
- */
- window_size = (acpi_size)
- ((mem_info->address + mem_info->length) - address);
-
- if (window_size > ACPI_SYSMEM_REGION_WINDOW_SIZE) {
- window_size = ACPI_SYSMEM_REGION_WINDOW_SIZE;
- }
-
- /* Create a new mapping starting at the address given */
-
- mem_info->mapped_logical_address =
- acpi_os_map_memory((acpi_physical_address) address, window_size);
- if (!mem_info->mapped_logical_address) {
- ACPI_ERROR((AE_INFO,
- "Could not map memory at %8.8X%8.8X, size %X",
- ACPI_FORMAT_NATIVE_UINT(address),
- (u32) window_size));
- mem_info->mapped_length = 0;
- return_ACPI_STATUS(AE_NO_MEMORY);
- }
-
- /* Save the physical address and mapping size */
-
- mem_info->mapped_physical_address = address;
- mem_info->mapped_length = window_size;
- }
-
- /*
- * Generate a logical pointer corresponding to the address we want to
- * access
- */
- logical_addr_ptr = mem_info->mapped_logical_address +
- ((acpi_integer) address -
- (acpi_integer) mem_info->mapped_physical_address);
-
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "System-Memory (width %d) R/W %d Address=%8.8X%8.8X\n",
- bit_width, function,
- ACPI_FORMAT_NATIVE_UINT(address)));
-
- /*
- * Perform the memory read or write
- *
- * Note: For machines that do not support non-aligned transfers, the target
- * address was checked for alignment above. We do not attempt to break the
- * transfer up into smaller (byte-size) chunks because the AML specifically
- * asked for a transfer width that the hardware may require.
- */
- switch (function) {
- case ACPI_READ:
-
- *value = 0;
- switch (bit_width) {
- case 8:
- *value = (acpi_integer) ACPI_GET8(logical_addr_ptr);
- break;
-
- case 16:
- *value = (acpi_integer) ACPI_GET16(logical_addr_ptr);
- break;
-
- case 32:
- *value = (acpi_integer) ACPI_GET32(logical_addr_ptr);
- break;
-
- case 64:
- *value = (acpi_integer) ACPI_GET64(logical_addr_ptr);
- break;
-
- default:
- /* bit_width was already validated */
- break;
- }
- break;
-
- case ACPI_WRITE:
-
- switch (bit_width) {
- case 8:
- ACPI_SET8(logical_addr_ptr) = (u8) * value;
- break;
-
- case 16:
- ACPI_SET16(logical_addr_ptr) = (u16) * value;
- break;
-
- case 32:
- ACPI_SET32(logical_addr_ptr) = (u32) * value;
- break;
-
- case 64:
- ACPI_SET64(logical_addr_ptr) = (u64) * value;
- break;
-
- default:
- /* bit_width was already validated */
- break;
- }
- break;
-
- default:
- status = AE_BAD_PARAMETER;
- break;
- }
-
- return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ex_system_io_space_handler
- *
- * PARAMETERS: Function - Read or Write operation
- * Address - Where in the space to read or write
- * bit_width - Field width in bits (8, 16, or 32)
- * Value - Pointer to in or out value
- * handler_context - Pointer to Handler's context
- * region_context - Pointer to context specific to the
- * accessed region
- *
- * RETURN: Status
- *
- * DESCRIPTION: Handler for the System IO address space (Op Region)
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ex_system_io_space_handler(u32 function,
- acpi_physical_address address,
- u32 bit_width,
- acpi_integer * value,
- void *handler_context, void *region_context)
-{
- acpi_status status = AE_OK;
- u32 value32;
-
- ACPI_FUNCTION_TRACE(ex_system_io_space_handler);
-
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "System-IO (width %d) R/W %d Address=%8.8X%8.8X\n",
- bit_width, function,
- ACPI_FORMAT_NATIVE_UINT(address)));
-
- /* Decode the function parameter */
-
- switch (function) {
- case ACPI_READ:
-
- status = acpi_os_read_port((acpi_io_address) address,
- &value32, bit_width);
- *value = value32;
- break;
-
- case ACPI_WRITE:
-
- status = acpi_os_write_port((acpi_io_address) address,
- (u32) * value, bit_width);
- break;
-
- default:
- status = AE_BAD_PARAMETER;
- break;
- }
-
- return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ex_pci_config_space_handler
- *
- * PARAMETERS: Function - Read or Write operation
- * Address - Where in the space to read or write
- * bit_width - Field width in bits (8, 16, or 32)
- * Value - Pointer to in or out value
- * handler_context - Pointer to Handler's context
- * region_context - Pointer to context specific to the
- * accessed region
- *
- * RETURN: Status
- *
- * DESCRIPTION: Handler for the PCI Config address space (Op Region)
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ex_pci_config_space_handler(u32 function,
- acpi_physical_address address,
- u32 bit_width,
- acpi_integer * value,
- void *handler_context, void *region_context)
-{
- acpi_status status = AE_OK;
- struct acpi_pci_id *pci_id;
- u16 pci_register;
- u32 value32;
-
- ACPI_FUNCTION_TRACE(ex_pci_config_space_handler);
-
- /*
- * The arguments to acpi_os(Read|Write)pci_configuration are:
- *
- * pci_segment is the PCI bus segment range 0-31
- * pci_bus is the PCI bus number range 0-255
- * pci_device is the PCI device number range 0-31
- * pci_function is the PCI device function number
- * pci_register is the Config space register range 0-255 bytes
- *
- * Value - input value for write, output address for read
- *
- */
- pci_id = (struct acpi_pci_id *)region_context;
- pci_register = (u16) (u32) address;
-
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "Pci-Config %d (%d) Seg(%04x) Bus(%04x) Dev(%04x) Func(%04x) Reg(%04x)\n",
- function, bit_width, pci_id->segment, pci_id->bus,
- pci_id->device, pci_id->function, pci_register));
-
- switch (function) {
- case ACPI_READ:
-
- status = acpi_os_read_pci_configuration(pci_id, pci_register,
- &value32, bit_width);
- *value = value32;
- break;
-
- case ACPI_WRITE:
-
- status = acpi_os_write_pci_configuration(pci_id, pci_register,
- *value, bit_width);
- break;
-
- default:
-
- status = AE_BAD_PARAMETER;
- break;
- }
-
- return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ex_cmos_space_handler
- *
- * PARAMETERS: Function - Read or Write operation
- * Address - Where in the space to read or write
- * bit_width - Field width in bits (8, 16, or 32)
- * Value - Pointer to in or out value
- * handler_context - Pointer to Handler's context
- * region_context - Pointer to context specific to the
- * accessed region
- *
- * RETURN: Status
- *
- * DESCRIPTION: Handler for the CMOS address space (Op Region)
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ex_cmos_space_handler(u32 function,
- acpi_physical_address address,
- u32 bit_width,
- acpi_integer * value,
- void *handler_context, void *region_context)
-{
- acpi_status status = AE_OK;
-
- ACPI_FUNCTION_TRACE(ex_cmos_space_handler);
-
- return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ex_pci_bar_space_handler
- *
- * PARAMETERS: Function - Read or Write operation
- * Address - Where in the space to read or write
- * bit_width - Field width in bits (8, 16, or 32)
- * Value - Pointer to in or out value
- * handler_context - Pointer to Handler's context
- * region_context - Pointer to context specific to the
- * accessed region
- *
- * RETURN: Status
- *
- * DESCRIPTION: Handler for the PCI bar_target address space (Op Region)
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ex_pci_bar_space_handler(u32 function,
- acpi_physical_address address,
- u32 bit_width,
- acpi_integer * value,
- void *handler_context, void *region_context)
-{
- acpi_status status = AE_OK;
-
- ACPI_FUNCTION_TRACE(ex_pci_bar_space_handler);
-
- return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ex_data_table_space_handler
- *
- * PARAMETERS: Function - Read or Write operation
- * Address - Where in the space to read or write
- * bit_width - Field width in bits (8, 16, or 32)
- * Value - Pointer to in or out value
- * handler_context - Pointer to Handler's context
- * region_context - Pointer to context specific to the
- * accessed region
- *
- * RETURN: Status
- *
- * DESCRIPTION: Handler for the Data Table address space (Op Region)
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ex_data_table_space_handler(u32 function,
- acpi_physical_address address,
- u32 bit_width,
- acpi_integer * value,
- void *handler_context, void *region_context)
-{
- ACPI_FUNCTION_TRACE(ex_data_table_space_handler);
-
- /* Perform the memory read or write */
-
- switch (function) {
- case ACPI_READ:
-
- ACPI_MEMCPY(ACPI_CAST_PTR(char, value),
- ACPI_PHYSADDR_TO_PTR(address),
- ACPI_DIV_8(bit_width));
- break;
-
- case ACPI_WRITE:
- default:
-
- return_ACPI_STATUS(AE_SUPPORT);
- }
-
- return_ACPI_STATUS(AE_OK);
-}
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