patch-2.4.22 linux-2.4.22/drivers/acpi/ospm/ec/ectransx.c

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diff -urN linux-2.4.21/drivers/acpi/ospm/ec/ectransx.c linux-2.4.22/drivers/acpi/ospm/ec/ectransx.c
@@ -1,343 +0,0 @@
-/*****************************************************************************
- *
- * Module Name: ectransx.c
- *   $Revision: 24 $
- *
- *****************************************************************************/
-
-/*
- *  Copyright (C) 2000, 2001 Andrew Grover
- *
- *  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 "ec.h"
-
-#define _COMPONENT		ACPI_EC
-	MODULE_NAME             ("ectransx")
-
-
-/****************************************************************************
- *
- * FUNCTION:    ec_io_wait
- *
- * PARAMETERS:
- *
- * RETURN:
- *
- * DESCRIPTION:
- *
- ****************************************************************************/
-
-acpi_status
-ec_io_wait (
-	EC_CONTEXT              *ec,
-	EC_EVENT                wait_event)
-{
-	EC_STATUS               ec_status = 0;
-	u32                     i = 100;
-
-	if (!ec || ((wait_event != EC_EVENT_OUTPUT_BUFFER_FULL)
-		&& (wait_event != EC_EVENT_INPUT_BUFFER_EMPTY))) {
-		return(AE_BAD_PARAMETER);
-	}
-
-	/*
-	 * Wait for Event:
-	 * ---------------
-	 * Poll the EC status register waiting for the event to occur.
-	 * Note that we'll wait a maximum of 1ms in 10us chunks.
-	 */
-	switch (wait_event) {
-
-	case EC_EVENT_OUTPUT_BUFFER_FULL:
-		do {
-			acpi_os_read_port(ec->status_port, &ec_status, 8);
-			if (ec_status & EC_FLAG_OUTPUT_BUFFER) {
-				return(AE_OK);
-			}
-			acpi_os_stall(10);
-		} while (--i>0);
-		break;
-
-	case EC_EVENT_INPUT_BUFFER_EMPTY:
-		do {
-			acpi_os_read_port(ec->status_port, &ec_status, 8);
-			if (!(ec_status & EC_FLAG_INPUT_BUFFER)) {
-				return(AE_OK);
-			}
-			acpi_os_stall(10);
-		} while (--i>0);
-		break;
-	}
-
-	return(AE_TIME);
-}
-
-
-/****************************************************************************
- *
- * FUNCTION:    ec_io_read
- *
- * PARAMETERS:
- *
- * RETURN:
- *
- * DESCRIPTION:
- *
- ****************************************************************************/
-
-acpi_status
-ec_io_read (
-	EC_CONTEXT              *ec,
-	u32		        io_port,
-	u8                      *data,
-	EC_EVENT                wait_event)
-{
-	acpi_status             status = AE_OK;
-
-	if (!ec || !data) {
-		return(AE_BAD_PARAMETER);
-	}
-
-	acpi_os_read_port(io_port, (u32*) data, 8);
-
-	if (wait_event) {
-		status = ec_io_wait(ec, wait_event);
-	}
-
-	return(status);
-}
-
-
-/****************************************************************************
- *
- * FUNCTION:    ec_io_write
- *
- * PARAMETERS:
- *
- * RETURN:
- *
- * DESCRIPTION:
- *
- ****************************************************************************/
-
-acpi_status
-ec_io_write (
-	EC_CONTEXT              *ec,
-	u32		       io_port,
-	u8                      data,
-	EC_EVENT                wait_event)
-{
-	acpi_status             status = AE_OK;
-
-	if (!ec) {
-		return(AE_BAD_PARAMETER);
-	}
-
-	acpi_os_write_port(io_port, data, 8);
-
-	if (wait_event) {
-		status = ec_io_wait(ec, wait_event);
-	}
-
-	return(status);
-}
-
-
-/****************************************************************************
- *
- * FUNCTION:    ec_read
- *
- * PARAMETERS:
- *
- * RETURN:
- *
- * DESCRIPTION:
- *
- ****************************************************************************/
-
-acpi_status
-ec_read (
-	EC_CONTEXT              *ec,
-	u8                      address,
-	u8                      *data)
-{
-	acpi_status             status = AE_OK;
-
-	FUNCTION_TRACE("ec_read");
-
-	if (!ec || !data) {
-		return_ACPI_STATUS(AE_BAD_PARAMETER);
-	}
-
-	if (ec->use_global_lock) {
-		status = acpi_acquire_global_lock();
-		if (ACPI_FAILURE(status)) {
-			ACPI_DEBUG_PRINT ((ACPI_DB_WARN, "Could not acquire Global Lock\n"));
-			return_ACPI_STATUS(status);
-		}
-	}
-
-	status = ec_io_write(ec, ec->command_port, EC_COMMAND_READ,
-		EC_EVENT_INPUT_BUFFER_EMPTY);
-	if (ACPI_FAILURE(status)) {
-		ACPI_DEBUG_PRINT ((ACPI_DB_WARN, "Unable to send 'read command' to EC.\n"));
-		return_ACPI_STATUS(status);
-	}
-
-	status = ec_io_write(ec, ec->data_port, address,
-		EC_EVENT_OUTPUT_BUFFER_FULL);
-	if (ACPI_FAILURE(status)) {
-		ACPI_DEBUG_PRINT ((ACPI_DB_WARN, "Unable to send 'read address' to EC.\n"));
-		return_ACPI_STATUS(status);
-	}
-
-	status = ec_io_read(ec, ec->data_port, data, EC_EVENT_NONE);
-
-	if (ec->use_global_lock) {
-		acpi_release_global_lock();
-	}
-
-	ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Read data [%02x] from address [%02x] on ec [%02x].\n", (*data), address, ec->device_handle));
-
-	return_ACPI_STATUS(status);
-}
-
-
-/****************************************************************************
- *
- * FUNCTION:    ec_write
- *
- * PARAMETERS:
- *
- * RETURN:
- *
- * DESCRIPTION:
- *
- ****************************************************************************/
-
-acpi_status
-ec_write (
-	EC_CONTEXT              *ec,
-	u8                      address,
-	u8                      data)
-{
-	acpi_status             status = AE_OK;
-
-	FUNCTION_TRACE("ec_write");
-
-	if (!ec)
-		return_ACPI_STATUS(AE_BAD_PARAMETER);
-
-	if (ec->use_global_lock) {
-		status = acpi_acquire_global_lock();
-		if (ACPI_FAILURE(status)) {
-			ACPI_DEBUG_PRINT ((ACPI_DB_WARN, "Could not acquire Global Lock\n"));
-			return_ACPI_STATUS(status);
-		}
-	}
-
-	status = ec_io_write(ec, ec->command_port, EC_COMMAND_WRITE,
-		EC_EVENT_INPUT_BUFFER_EMPTY);
-	if (ACPI_FAILURE(status)) {
-		ACPI_DEBUG_PRINT ((ACPI_DB_WARN, "Unable to send 'write command' to EC.\n"));
-		return_ACPI_STATUS(status);
-	}
-
-	status = ec_io_write(ec, ec->data_port, address,
-		EC_EVENT_INPUT_BUFFER_EMPTY);
-	if (ACPI_FAILURE(status)) {
-		ACPI_DEBUG_PRINT ((ACPI_DB_WARN, "Unable to send 'write address' to EC.\n"));
-		return_ACPI_STATUS(status);
-	}
-
-	status = ec_io_write(ec, ec->data_port, data,
-		EC_EVENT_INPUT_BUFFER_EMPTY);
-	if (ACPI_FAILURE(status)) {
-		ACPI_DEBUG_PRINT ((ACPI_DB_WARN, "Unable to send 'write data' to EC.\n"));
-		return_ACPI_STATUS(status);
-	}
-
-	if (ec->use_global_lock) {
-		acpi_release_global_lock();
-	}
-
-	ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Wrote data [%02x] to address [%02x] on ec [%02x].\n", data, address, ec->device_handle));
-
-	return_ACPI_STATUS(status);
-}
-
-
-/****************************************************************************
- *
- * FUNCTION:    ec_transaction
- *
- * PARAMETERS:
- *
- * RETURN:
- *
- * DESCRIPTION:
- *
- ****************************************************************************/
-
-acpi_status
-ec_transaction (
-	EC_CONTEXT              *ec,
-	EC_REQUEST              *request)
-{
-	acpi_status             status = AE_OK;
-
-	FUNCTION_TRACE("ec_transaction");
-
-	if (!ec || !request) {
-		return_ACPI_STATUS(AE_BAD_PARAMETER);
-	}
-
-	/*
-	 * Obtain mutex to serialize all EC transactions.
-	 */
-	status = acpi_os_wait_semaphore(ec->mutex, 1, EC_DEFAULT_TIMEOUT);
-	if (ACPI_FAILURE(status)) {
-		return_ACPI_STATUS(status);
-	}
-
-	/*
-	 * Perform the transaction.
-	 */
-	switch (request->command) {
-
-	case EC_COMMAND_READ:
-		status = ec_read(ec, request->address, &(request->data));
-		break;
-
-	case EC_COMMAND_WRITE:
-		status = ec_write(ec, request->address, request->data);
-		break;
-
-	default:
-		status = AE_SUPPORT;
-		break;
-	}
-
-	/*
-	 * Signal the mutex to indicate transaction completion.
-	 */
-	acpi_os_signal_semaphore(ec->mutex, 1);
-
-	return_ACPI_STATUS(status);
-}

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