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-rw-r--r--drivers/acpi/Kconfig5
-rw-r--r--drivers/acpi/glue.c8
-rw-r--r--drivers/acpi/sleep/proc.c10
-rw-r--r--drivers/acpi/toshiba_acpi.c261
4 files changed, 272 insertions, 12 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index 735f5ea1747..da49b006bcc 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -259,7 +259,10 @@ config ACPI_ASUS
config ACPI_TOSHIBA
tristate "Toshiba Laptop Extras"
- depends on X86
+ depends on X86 && INPUT
+ select INPUT_POLLDEV
+ select NET
+ select RFKILL
select BACKLIGHT_CLASS_DEVICE
---help---
This driver adds support for access to certain system settings
diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c
index 084109507c9..3c578ef78c4 100644
--- a/drivers/acpi/glue.c
+++ b/drivers/acpi/glue.c
@@ -165,8 +165,11 @@ static int acpi_bind_one(struct device *dev, acpi_handle handle)
"firmware_node");
ret = sysfs_create_link(&acpi_dev->dev.kobj, &dev->kobj,
"physical_node");
- if (acpi_dev->wakeup.flags.valid)
+ if (acpi_dev->wakeup.flags.valid) {
device_set_wakeup_capable(dev, true);
+ device_set_wakeup_enable(dev,
+ acpi_dev->wakeup.state.enabled);
+ }
}
return 0;
@@ -366,7 +369,6 @@ static int __init acpi_rtc_init(void)
DBG("RTC unavailable?\n");
return 0;
}
-/* do this between RTC subsys_initcall() and rtc_cmos driver_initcall() */
-fs_initcall(acpi_rtc_init);
+module_init(acpi_rtc_init);
#endif
diff --git a/drivers/acpi/sleep/proc.c b/drivers/acpi/sleep/proc.c
index 4ebbba2b6b1..bf5b04de02d 100644
--- a/drivers/acpi/sleep/proc.c
+++ b/drivers/acpi/sleep/proc.c
@@ -377,6 +377,14 @@ acpi_system_wakeup_device_seq_show(struct seq_file *seq, void *offset)
return 0;
}
+static void physical_device_enable_wakeup(struct acpi_device *adev)
+{
+ struct device *dev = acpi_get_physical_device(adev->handle);
+
+ if (dev && device_can_wakeup(dev))
+ device_set_wakeup_enable(dev, adev->wakeup.state.enabled);
+}
+
static ssize_t
acpi_system_write_wakeup_device(struct file *file,
const char __user * buffer,
@@ -411,6 +419,7 @@ acpi_system_write_wakeup_device(struct file *file,
}
}
if (found_dev) {
+ physical_device_enable_wakeup(found_dev);
list_for_each_safe(node, next, &acpi_wakeup_device_list) {
struct acpi_device *dev = container_of(node,
struct
@@ -428,6 +437,7 @@ acpi_system_write_wakeup_device(struct file *file,
dev->pnp.bus_id, found_dev->pnp.bus_id);
dev->wakeup.state.enabled =
found_dev->wakeup.state.enabled;
+ physical_device_enable_wakeup(dev);
}
}
}
diff --git a/drivers/acpi/toshiba_acpi.c b/drivers/acpi/toshiba_acpi.c
index 0a43c8e0eff..8a649f40d16 100644
--- a/drivers/acpi/toshiba_acpi.c
+++ b/drivers/acpi/toshiba_acpi.c
@@ -3,6 +3,7 @@
*
*
* Copyright (C) 2002-2004 John Belmonte
+ * Copyright (C) 2008 Philip Langdale
*
* 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
@@ -33,7 +34,7 @@
*
*/
-#define TOSHIBA_ACPI_VERSION "0.18"
+#define TOSHIBA_ACPI_VERSION "0.19"
#define PROC_INTERFACE_VERSION 1
#include <linux/kernel.h>
@@ -42,6 +43,9 @@
#include <linux/types.h>
#include <linux/proc_fs.h>
#include <linux/backlight.h>
+#include <linux/platform_device.h>
+#include <linux/rfkill.h>
+#include <linux/input-polldev.h>
#include <asm/uaccess.h>
@@ -90,6 +94,7 @@ MODULE_LICENSE("GPL");
#define HCI_VIDEO_OUT 0x001c
#define HCI_HOTKEY_EVENT 0x001e
#define HCI_LCD_BRIGHTNESS 0x002a
+#define HCI_WIRELESS 0x0056
/* field definitions */
#define HCI_LCD_BRIGHTNESS_BITS 3
@@ -98,9 +103,14 @@ MODULE_LICENSE("GPL");
#define HCI_VIDEO_OUT_LCD 0x1
#define HCI_VIDEO_OUT_CRT 0x2
#define HCI_VIDEO_OUT_TV 0x4
+#define HCI_WIRELESS_KILL_SWITCH 0x01
+#define HCI_WIRELESS_BT_PRESENT 0x0f
+#define HCI_WIRELESS_BT_ATTACH 0x40
+#define HCI_WIRELESS_BT_POWER 0x80
static const struct acpi_device_id toshiba_device_ids[] = {
{"TOS6200", 0},
+ {"TOS6208", 0},
{"TOS1900", 0},
{"", 0},
};
@@ -193,7 +203,7 @@ static acpi_status hci_raw(const u32 in[HCI_WORDS], u32 out[HCI_WORDS])
return status;
}
-/* common hci tasks (get or set one value)
+/* common hci tasks (get or set one or two value)
*
* In addition to the ACPI status, the HCI system returns a result which
* may be useful (such as "not supported").
@@ -218,6 +228,152 @@ static acpi_status hci_read1(u32 reg, u32 * out1, u32 * result)
return status;
}
+static acpi_status hci_write2(u32 reg, u32 in1, u32 in2, u32 *result)
+{
+ u32 in[HCI_WORDS] = { HCI_SET, reg, in1, in2, 0, 0 };
+ u32 out[HCI_WORDS];
+ acpi_status status = hci_raw(in, out);
+ *result = (status == AE_OK) ? out[0] : HCI_FAILURE;
+ return status;
+}
+
+static acpi_status hci_read2(u32 reg, u32 *out1, u32 *out2, u32 *result)
+{
+ u32 in[HCI_WORDS] = { HCI_GET, reg, *out1, *out2, 0, 0 };
+ u32 out[HCI_WORDS];
+ acpi_status status = hci_raw(in, out);
+ *out1 = out[2];
+ *out2 = out[3];
+ *result = (status == AE_OK) ? out[0] : HCI_FAILURE;
+ return status;
+}
+
+struct toshiba_acpi_dev {
+ struct platform_device *p_dev;
+ struct rfkill *rfk_dev;
+ struct input_polled_dev *poll_dev;
+
+ const char *bt_name;
+ const char *rfk_name;
+
+ bool last_rfk_state;
+
+ struct mutex mutex;
+};
+
+static struct toshiba_acpi_dev toshiba_acpi = {
+ .bt_name = "Toshiba Bluetooth",
+ .rfk_name = "Toshiba RFKill Switch",
+ .last_rfk_state = false,
+};
+
+/* Bluetooth rfkill handlers */
+
+static u32 hci_get_bt_present(bool *present)
+{
+ u32 hci_result;
+ u32 value, value2;
+
+ value = 0;
+ value2 = 0;
+ hci_read2(HCI_WIRELESS, &value, &value2, &hci_result);
+ if (hci_result == HCI_SUCCESS)
+ *present = (value & HCI_WIRELESS_BT_PRESENT) ? true : false;
+
+ return hci_result;
+}
+
+static u32 hci_get_bt_on(bool *on)
+{
+ u32 hci_result;
+ u32 value, value2;
+
+ value = 0;
+ value2 = 0x0001;
+ hci_read2(HCI_WIRELESS, &value, &value2, &hci_result);
+ if (hci_result == HCI_SUCCESS)
+ *on = (value & HCI_WIRELESS_BT_POWER) &&
+ (value & HCI_WIRELESS_BT_ATTACH);
+
+ return hci_result;
+}
+
+static u32 hci_get_radio_state(bool *radio_state)
+{
+ u32 hci_result;
+ u32 value, value2;
+
+ value = 0;
+ value2 = 0x0001;
+ hci_read2(HCI_WIRELESS, &value, &value2, &hci_result);
+
+ *radio_state = value & HCI_WIRELESS_KILL_SWITCH;
+ return hci_result;
+}
+
+static int bt_rfkill_toggle_radio(void *data, enum rfkill_state state)
+{
+ u32 result1, result2;
+ u32 value;
+ bool radio_state;
+ struct toshiba_acpi_dev *dev = data;
+
+ value = (state == RFKILL_STATE_UNBLOCKED);
+
+ if (hci_get_radio_state(&radio_state) != HCI_SUCCESS)
+ return -EFAULT;
+
+ switch (state) {
+ case RFKILL_STATE_UNBLOCKED:
+ if (!radio_state)
+ return -EPERM;
+ break;
+ case RFKILL_STATE_SOFT_BLOCKED:
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ mutex_lock(&dev->mutex);
+ hci_write2(HCI_WIRELESS, value, HCI_WIRELESS_BT_POWER, &result1);
+ hci_write2(HCI_WIRELESS, value, HCI_WIRELESS_BT_ATTACH, &result2);
+ mutex_unlock(&dev->mutex);
+
+ if (result1 != HCI_SUCCESS || result2 != HCI_SUCCESS)
+ return -EFAULT;
+
+ return 0;
+}
+
+static void bt_poll_rfkill(struct input_polled_dev *poll_dev)
+{
+ bool state_changed;
+ bool new_rfk_state;
+ bool value;
+ u32 hci_result;
+ struct toshiba_acpi_dev *dev = poll_dev->private;
+
+ hci_result = hci_get_radio_state(&value);
+ if (hci_result != HCI_SUCCESS)
+ return; /* Can't do anything useful */
+
+ new_rfk_state = value;
+
+ mutex_lock(&dev->mutex);
+ state_changed = new_rfk_state != dev->last_rfk_state;
+ dev->last_rfk_state = new_rfk_state;
+ mutex_unlock(&dev->mutex);
+
+ if (unlikely(state_changed)) {
+ rfkill_force_state(dev->rfk_dev,
+ new_rfk_state ?
+ RFKILL_STATE_SOFT_BLOCKED :
+ RFKILL_STATE_HARD_BLOCKED);
+ input_report_switch(poll_dev->input, SW_RFKILL_ALL,
+ new_rfk_state);
+ }
+}
+
static struct proc_dir_entry *toshiba_proc_dir /*= 0*/ ;
static struct backlight_device *toshiba_backlight_device;
static int force_fan;
@@ -547,6 +703,14 @@ static struct backlight_ops toshiba_backlight_data = {
static void toshiba_acpi_exit(void)
{
+ if (toshiba_acpi.poll_dev) {
+ input_unregister_polled_device(toshiba_acpi.poll_dev);
+ input_free_polled_device(toshiba_acpi.poll_dev);
+ }
+
+ if (toshiba_acpi.rfk_dev)
+ rfkill_unregister(toshiba_acpi.rfk_dev);
+
if (toshiba_backlight_device)
backlight_device_unregister(toshiba_backlight_device);
@@ -555,6 +719,8 @@ static void toshiba_acpi_exit(void)
if (toshiba_proc_dir)
remove_proc_entry(PROC_TOSHIBA, acpi_root_dir);
+ platform_device_unregister(toshiba_acpi.p_dev);
+
return;
}
@@ -562,6 +728,10 @@ static int __init toshiba_acpi_init(void)
{
acpi_status status = AE_OK;
u32 hci_result;
+ bool bt_present;
+ bool bt_on;
+ bool radio_on;
+ int ret = 0;
if (acpi_disabled)
return -ENODEV;
@@ -578,6 +748,18 @@ static int __init toshiba_acpi_init(void)
TOSHIBA_ACPI_VERSION);
printk(MY_INFO " HCI method: %s\n", method_hci);
+ mutex_init(&toshiba_acpi.mutex);
+
+ toshiba_acpi.p_dev = platform_device_register_simple("toshiba_acpi",
+ -1, NULL, 0);
+ if (IS_ERR(toshiba_acpi.p_dev)) {
+ ret = PTR_ERR(toshiba_acpi.p_dev);
+ printk(MY_ERR "unable to register platform device\n");
+ toshiba_acpi.p_dev = NULL;
+ toshiba_acpi_exit();
+ return ret;
+ }
+
force_fan = 0;
key_event_valid = 0;
@@ -586,19 +768,23 @@ static int __init toshiba_acpi_init(void)
toshiba_proc_dir = proc_mkdir(PROC_TOSHIBA, acpi_root_dir);
if (!toshiba_proc_dir) {
- status = AE_ERROR;
+ toshiba_acpi_exit();
+ return -ENODEV;
} else {
toshiba_proc_dir->owner = THIS_MODULE;
status = add_device();
- if (ACPI_FAILURE(status))
- remove_proc_entry(PROC_TOSHIBA, acpi_root_dir);
+ if (ACPI_FAILURE(status)) {
+ toshiba_acpi_exit();
+ return -ENODEV;
+ }
}
- toshiba_backlight_device = backlight_device_register("toshiba",NULL,
+ toshiba_backlight_device = backlight_device_register("toshiba",
+ &toshiba_acpi.p_dev->dev,
NULL,
&toshiba_backlight_data);
if (IS_ERR(toshiba_backlight_device)) {
- int ret = PTR_ERR(toshiba_backlight_device);
+ ret = PTR_ERR(toshiba_backlight_device);
printk(KERN_ERR "Could not register toshiba backlight device\n");
toshiba_backlight_device = NULL;
@@ -607,7 +793,66 @@ static int __init toshiba_acpi_init(void)
}
toshiba_backlight_device->props.max_brightness = HCI_LCD_BRIGHTNESS_LEVELS - 1;
- return (ACPI_SUCCESS(status)) ? 0 : -ENODEV;
+ /* Register rfkill switch for Bluetooth */
+ if (hci_get_bt_present(&bt_present) == HCI_SUCCESS && bt_present) {
+ toshiba_acpi.rfk_dev = rfkill_allocate(&toshiba_acpi.p_dev->dev,
+ RFKILL_TYPE_BLUETOOTH);
+ if (!toshiba_acpi.rfk_dev) {
+ printk(MY_ERR "unable to allocate rfkill device\n");
+ toshiba_acpi_exit();
+ return -ENOMEM;
+ }
+
+ toshiba_acpi.rfk_dev->name = toshiba_acpi.bt_name;
+ toshiba_acpi.rfk_dev->toggle_radio = bt_rfkill_toggle_radio;
+ toshiba_acpi.rfk_dev->user_claim_unsupported = 1;
+ toshiba_acpi.rfk_dev->data = &toshiba_acpi;
+
+ if (hci_get_bt_on(&bt_on) == HCI_SUCCESS && bt_on) {
+ toshiba_acpi.rfk_dev->state = RFKILL_STATE_UNBLOCKED;
+ } else if (hci_get_radio_state(&radio_on) == HCI_SUCCESS &&
+ radio_on) {
+ toshiba_acpi.rfk_dev->state = RFKILL_STATE_SOFT_BLOCKED;
+ } else {
+ toshiba_acpi.rfk_dev->state = RFKILL_STATE_HARD_BLOCKED;
+ }
+
+ ret = rfkill_register(toshiba_acpi.rfk_dev);
+ if (ret) {
+ printk(MY_ERR "unable to register rfkill device\n");
+ toshiba_acpi_exit();
+ return -ENOMEM;
+ }
+ }
+
+ /* Register input device for kill switch */
+ toshiba_acpi.poll_dev = input_allocate_polled_device();
+ if (!toshiba_acpi.poll_dev) {
+ printk(MY_ERR "unable to allocate kill-switch input device\n");
+ toshiba_acpi_exit();
+ return -ENOMEM;
+ }
+ toshiba_acpi.poll_dev->private = &toshiba_acpi;
+ toshiba_acpi.poll_dev->poll = bt_poll_rfkill;
+ toshiba_acpi.poll_dev->poll_interval = 1000; /* msecs */
+
+ toshiba_acpi.poll_dev->input->name = toshiba_acpi.rfk_name;
+ toshiba_acpi.poll_dev->input->id.bustype = BUS_HOST;
+ toshiba_acpi.poll_dev->input->id.vendor = 0x0930; /* Toshiba USB ID */
+ set_bit(EV_SW, toshiba_acpi.poll_dev->input->evbit);
+ set_bit(SW_RFKILL_ALL, toshiba_acpi.poll_dev->input->swbit);
+ input_report_switch(toshiba_acpi.poll_dev->input, SW_RFKILL_ALL, TRUE);
+
+ ret = input_register_polled_device(toshiba_acpi.poll_dev);
+ if (ret) {
+ printk(MY_ERR "unable to register kill-switch input device\n");
+ rfkill_free(toshiba_acpi.rfk_dev);
+ toshiba_acpi.rfk_dev = NULL;
+ toshiba_acpi_exit();
+ return ret;
+ }
+
+ return 0;
}
module_init(toshiba_acpi_init);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-17 11:22:26 +0000