patch-2.4.6 linux/drivers/acpi/interpreter/amregion.c

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diff -u --recursive --new-file v2.4.5/linux/drivers/acpi/interpreter/amregion.c linux/drivers/acpi/interpreter/amregion.c
@@ -1,420 +0,0 @@
-
-/******************************************************************************
- *
- * Module Name: amregion - ACPI default Op_region (address space) handlers
- *              $Revision: 44 $
- *
- *****************************************************************************/
-
-/*
- *  Copyright (C) 2000, 2001 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"
-#include "acinterp.h"
-#include "amlcode.h"
-#include "acnamesp.h"
-#include "achware.h"
-#include "acevents.h"
-
-
-#define _COMPONENT          INTERPRETER
-	 MODULE_NAME         ("amregion")
-
-
-/*******************************************************************************
- *
- * FUNCTION:    Acpi_aml_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_aml_system_memory_space_handler (
-	u32                     function,
-	ACPI_PHYSICAL_ADDRESS   address,
-	u32                     bit_width,
-	u32                     *value,
-	void                    *handler_context,
-	void                    *region_context)
-{
-	ACPI_STATUS             status = AE_OK;
-	void                    *logical_addr_ptr = NULL;
-	MEM_HANDLER_CONTEXT     *mem_info = region_context;
-	u32                     length;
-
-
-	/* Validate and translate the bit width */
-
-	switch (bit_width)
-	{
-	case 8:
-		length = 1;
-		break;
-
-	case 16:
-		length = 2;
-		break;
-
-	case 32:
-		length = 4;
-		break;
-
-	default:
-		return (AE_AML_OPERAND_VALUE);
-		break;
-	}
-
-
-	/*
-	 * 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);
-		}
-
-		mem_info->mapped_length = 0; /* In case of failure below */
-
-		/* Create a new mapping starting at the address given */
-
-		status = acpi_os_map_memory (address, SYSMEM_REGION_WINDOW_SIZE,
-				  (void **) &mem_info->mapped_logical_address);
-		if (ACPI_FAILURE (status)) {
-			return (status);
-		}
-
-		/* TBD: should these pointers go to 64-bit in all cases ? */
-
-		mem_info->mapped_physical_address = address;
-		mem_info->mapped_length = SYSMEM_REGION_WINDOW_SIZE;
-	}
-
-
-	/*
-	 * Generate a logical pointer corresponding to the address we want to
-	 * access
-	 */
-
-	/* TBD: should these pointers go to 64-bit in all cases ? */
-
-	logical_addr_ptr = mem_info->mapped_logical_address +
-			  ((ACPI_INTEGER) address - (ACPI_INTEGER) mem_info->mapped_physical_address);
-
-	/* Perform the memory read or write */
-
-	switch (function)
-	{
-
-	case ADDRESS_SPACE_READ:
-
-		switch (bit_width)
-		{
-		case 8:
-			*value = (u32)* (u8 *) logical_addr_ptr;
-			break;
-
-		case 16:
-			MOVE_UNALIGNED16_TO_32 (value, logical_addr_ptr);
-			break;
-
-		case 32:
-			MOVE_UNALIGNED32_TO_32 (value, logical_addr_ptr);
-			break;
-		}
-
-		break;
-
-
-	case ADDRESS_SPACE_WRITE:
-
-		switch (bit_width)
-		{
-		case 8:
-			*(u8 *) logical_addr_ptr = (u8) *value;
-			break;
-
-		case 16:
-			MOVE_UNALIGNED16_TO_16 (logical_addr_ptr, value);
-			break;
-
-		case 32:
-			MOVE_UNALIGNED32_TO_32 (logical_addr_ptr, value);
-			break;
-		}
-
-		break;
-
-
-	default:
-		status = AE_BAD_PARAMETER;
-		break;
-	}
-
-	return (status);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION:    Acpi_aml_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_aml_system_io_space_handler (
-	u32                     function,
-	ACPI_PHYSICAL_ADDRESS   address,
-	u32                     bit_width,
-	u32                     *value,
-	void                    *handler_context,
-	void                    *region_context)
-{
-	ACPI_STATUS             status = AE_OK;
-
-
-	/* Decode the function parameter */
-
-	switch (function)
-	{
-
-	case ADDRESS_SPACE_READ:
-
-		switch (bit_width)
-		{
-		/* I/O Port width */
-
-		case 8:
-			*value = (u32) acpi_os_in8 ((ACPI_IO_ADDRESS) address);
-			break;
-
-		case 16:
-			*value = (u32) acpi_os_in16 ((ACPI_IO_ADDRESS) address);
-			break;
-
-		case 32:
-			*value = acpi_os_in32 ((ACPI_IO_ADDRESS) address);
-			break;
-
-		default:
-			status = AE_AML_OPERAND_VALUE;
-		}
-
-		break;
-
-
-	case ADDRESS_SPACE_WRITE:
-
-		switch (bit_width)
-		{
-		/* I/O Port width */
-		case 8:
-			acpi_os_out8 ((ACPI_IO_ADDRESS) address, (u8) *value);
-			break;
-
-		case 16:
-			acpi_os_out16 ((ACPI_IO_ADDRESS) address, (u16) *value);
-			break;
-
-		case 32:
-			acpi_os_out32 ((ACPI_IO_ADDRESS) address, *value);
-			break;
-
-		default:
-			status = AE_AML_OPERAND_VALUE;
-		}
-
-		break;
-
-
-	default:
-		status = AE_BAD_PARAMETER;
-		break;
-	}
-
-	return (status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    Acpi_aml_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_aml_pci_config_space_handler (
-	u32                     function,
-	ACPI_PHYSICAL_ADDRESS   address,
-	u32                     bit_width,
-	u32                     *value,
-	void                    *handler_context,
-	void                    *region_context)
-{
-	ACPI_STATUS             status = AE_OK;
-	u32                     pci_bus;
-	u32                     dev_func;
-	u8                      pci_reg;
-	PCI_HANDLER_CONTEXT    *PCIcontext;
-
-
-	/*
-	 *  The arguments to Acpi_os(Read|Write)Pci_cfg(Byte|Word|Dword) are:
-	 *
-	 *  Seg_bus - 0xSSSSBBBB    - SSSS is the PCI bus segment
-	 *                            BBBB is the PCI bus number
-	 *
-	 *  Dev_func - 0xDDDDFFFF   - DDDD is the PCI device number
-	 *                            FFFF is the PCI device function number
-	 *
-	 *  Reg_num - Config space register must be < 40h
-	 *
-	 *  Value - input value for write, output for read
-	 *
-	 */
-
-	PCIcontext = (PCI_HANDLER_CONTEXT *) region_context;
-
-	pci_bus = LOWORD(PCIcontext->seg) << 16;
-	pci_bus |= LOWORD(PCIcontext->bus);
-
-	dev_func = PCIcontext->dev_func;
-
-	pci_reg = (u8) address;
-
-	switch (function)
-	{
-
-	case ADDRESS_SPACE_READ:
-
-		*value  = 0;
-
-		switch (bit_width)
-		{
-		/* PCI Register width */
-
-		case 8:
-			status = acpi_os_read_pci_cfg_byte (pci_bus, dev_func, pci_reg,
-					   (u8 *) value);
-			break;
-
-		case 16:
-			status = acpi_os_read_pci_cfg_word (pci_bus, dev_func, pci_reg,
-					   (u16 *) value);
-			break;
-
-		case 32:
-			status = acpi_os_read_pci_cfg_dword (pci_bus, dev_func, pci_reg,
-					   value);
-			break;
-
-		default:
-			status = AE_AML_OPERAND_VALUE;
-
-		} /* Switch bit_width */
-
-		break;
-
-
-	case ADDRESS_SPACE_WRITE:
-
-		switch (bit_width)
-		{
-		/* PCI Register width */
-
-		case 8:
-			status = acpi_os_write_pci_cfg_byte (pci_bus, dev_func, pci_reg,
-					 *(u8 *) value);
-			break;
-
-		case 16:
-			status = acpi_os_write_pci_cfg_word (pci_bus, dev_func, pci_reg,
-					 *(u16 *) value);
-			break;
-
-		case 32:
-			status = acpi_os_write_pci_cfg_dword (pci_bus, dev_func, pci_reg,
-					 *value);
-			break;
-
-		default:
-			status = AE_AML_OPERAND_VALUE;
-
-		} /* Switch bit_width */
-
-		break;
-
-
-	default:
-
-		status = AE_BAD_PARAMETER;
-		break;
-
-	}
-
-	return (status);
-}
-

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