patch-2.4.6 linux/drivers/acpi/ospm/button/bn_osl.c
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- Lines: 245
- Date:
Wed Jun 20 17:47:40 2001
- Orig file:
v2.4.5/linux/drivers/acpi/ospm/button/bn_osl.c
- Orig date:
Wed Dec 31 16:00:00 1969
diff -u --recursive --new-file v2.4.5/linux/drivers/acpi/ospm/button/bn_osl.c linux/drivers/acpi/ospm/button/bn_osl.c
@@ -0,0 +1,244 @@
+/******************************************************************************
+ *
+ * Module Name: bn_osl.c
+ * $Revision: 10 $
+ *
+ *****************************************************************************/
+
+/*
+ * 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 <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/proc_fs.h>
+#include <acpi.h>
+#include "bn.h"
+
+
+MODULE_AUTHOR("Andrew Grover");
+MODULE_DESCRIPTION("ACPI Component Architecture (CA) - Button Driver");
+
+
+#define BN_PROC_ROOT "button"
+#define BN_PROC_POWER_BUTTON "power"
+#define BN_PROC_SLEEP_BUTTON "sleep"
+#define BN_PROC_LID_SWITCH "lid"
+
+extern struct proc_dir_entry *bm_proc_root;
+static struct proc_dir_entry *bn_proc_root = NULL;
+
+
+/****************************************************************************
+ *
+ * FUNCTION: bn_osl_add_device
+ *
+ ****************************************************************************/
+
+ACPI_STATUS
+bn_osl_add_device(
+ BN_CONTEXT *button)
+{
+ ACPI_STATUS status = AE_OK;
+
+ if (!button) {
+ return(AE_BAD_PARAMETER);
+ }
+
+ switch (button->type) {
+
+ case BN_TYPE_POWER_BUTTON:
+ case BN_TYPE_POWER_BUTTON_FIXED:
+ printk(KERN_INFO "Power Button: found\n");
+ if (!proc_mkdir(BN_PROC_POWER_BUTTON, bn_proc_root)) {
+ status = AE_ERROR;
+ }
+ break;
+
+ case BN_TYPE_SLEEP_BUTTON:
+ case BN_TYPE_SLEEP_BUTTON_FIXED:
+ printk(KERN_INFO "Sleep Button: found\n");
+ if (!proc_mkdir(BN_PROC_SLEEP_BUTTON, bn_proc_root)) {
+ status = AE_ERROR;
+ }
+ break;
+
+ case BN_TYPE_LID_SWITCH:
+ printk(KERN_INFO "Lid Switch: found\n");
+ if (!proc_mkdir(BN_PROC_LID_SWITCH, bn_proc_root)) {
+ status = AE_ERROR;
+ }
+ break;
+ }
+
+ return(status);
+}
+
+
+/****************************************************************************
+ *
+ * FUNCTION: bn_osl_remove_device
+ *
+ ****************************************************************************/
+
+ACPI_STATUS
+bn_osl_remove_device (
+ BN_CONTEXT *button)
+{
+ if (!button) {
+ return(AE_BAD_PARAMETER);
+ }
+
+ switch (button->type) {
+
+ case BN_TYPE_POWER_BUTTON:
+ case BN_TYPE_POWER_BUTTON_FIXED:
+ remove_proc_entry(BN_PROC_POWER_BUTTON, bn_proc_root);
+ break;
+
+ case BN_TYPE_SLEEP_BUTTON:
+ case BN_TYPE_SLEEP_BUTTON_FIXED:
+ remove_proc_entry(BN_PROC_SLEEP_BUTTON, bn_proc_root);
+ break;
+
+ case BN_TYPE_LID_SWITCH:
+ remove_proc_entry(BN_PROC_LID_SWITCH, bn_proc_root);
+ break;
+ }
+
+ return(AE_OK);
+}
+
+
+/****************************************************************************
+ *
+ * FUNCTION: bn_osl_generate_event
+ *
+ ****************************************************************************/
+
+ACPI_STATUS
+bn_osl_generate_event (
+ u32 event,
+ BN_CONTEXT *button)
+{
+ ACPI_STATUS status = AE_OK;
+
+ if (!button) {
+ return(AE_BAD_PARAMETER);
+ }
+
+ switch (event) {
+
+ case BN_NOTIFY_STATUS_CHANGE:
+
+ switch(button->type) {
+
+ case BN_TYPE_POWER_BUTTON:
+ case BN_TYPE_POWER_BUTTON_FIXED:
+ status = bm_osl_generate_event(button->device_handle,
+ BN_PROC_ROOT, BN_PROC_POWER_BUTTON, event, 0);
+ break;
+
+ case BN_TYPE_SLEEP_BUTTON:
+ case BN_TYPE_SLEEP_BUTTON_FIXED:
+ status = bm_osl_generate_event(button->device_handle,
+ BN_PROC_ROOT, BN_PROC_SLEEP_BUTTON, event, 0);
+ break;
+
+ case BN_TYPE_LID_SWITCH:
+ status = bm_osl_generate_event(button->device_handle,
+ BN_PROC_ROOT, BN_PROC_LID_SWITCH, event, 0);
+ break;
+
+ default:
+ status = AE_SUPPORT;
+ break;
+ }
+
+ break;
+
+ default:
+ return(AE_BAD_PARAMETER);
+ break;
+ }
+
+ return(status);
+}
+
+
+/****************************************************************************
+ *
+ * FUNCTION: bn_osl_init
+ *
+ * PARAMETERS: <none>
+ *
+ * RETURN: 0: Success
+ *
+ * DESCRIPTION: Module initialization.
+ *
+ ****************************************************************************/
+
+static int __init
+bn_osl_init (void)
+{
+ ACPI_STATUS status = AE_OK;
+
+ bn_proc_root = proc_mkdir(BN_PROC_ROOT, bm_proc_root);
+ if (!bn_proc_root) {
+ status = AE_ERROR;
+ }
+ else {
+ status = bn_initialize();
+ if (ACPI_FAILURE(status)) {
+ remove_proc_entry(BN_PROC_ROOT, bm_proc_root);
+ }
+ }
+
+ return (ACPI_SUCCESS(status)) ? 0 : -ENODEV;
+}
+
+
+/****************************************************************************
+ *
+ * FUNCTION: bn_osl_cleanup
+ *
+ * PARAMETERS: <none>
+ *
+ * RETURN: <none>
+ *
+ * DESCRIPTION: Module cleanup.
+ *
+ ****************************************************************************/
+
+static void __exit
+bn_osl_cleanup (void)
+{
+ bn_terminate();
+
+ if (bn_proc_root) {
+ remove_proc_entry(BN_PROC_ROOT, bm_proc_root);
+ }
+
+ return;
+}
+
+
+module_init(bn_osl_init);
+module_exit(bn_osl_cleanup);
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