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authorLen Brown <len.brown@intel.com>2008-10-22 23:57:26 -0400
committerLen Brown <len.brown@intel.com>2008-10-23 00:11:07 -0400
commit057316cc6a5b521b332a1d7ccc871cd60c904c74 (patch)
tree4333e608da237c73ff69b10878025cca96dcb4c8 /drivers/acpi
parent3e2dab9a1c2deb03c311eb3f83466009147ed4d3 (diff)
parent2515ddc6db8eb49a79f0fe5e67ff09ac7c81eab4 (diff)
downloadlinux-057316cc6a5b521b332a1d7ccc871cd60c904c74.tar.bz2
Merge branch 'linus' into test
Conflicts: MAINTAINERS arch/x86/kernel/acpi/boot.c arch/x86/kernel/acpi/sleep.c drivers/acpi/Kconfig drivers/pnp/Makefile drivers/pnp/quirks.c Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi')
-rw-r--r--drivers/acpi/Kconfig3
-rw-r--r--drivers/acpi/battery.c2
-rw-r--r--drivers/acpi/glue.c113
-rw-r--r--drivers/acpi/sbs.c2
-rw-r--r--drivers/acpi/sleep/proc.c18
-rw-r--r--drivers/acpi/system.c1
-rw-r--r--drivers/acpi/toshiba_acpi.c261
7 files changed, 267 insertions, 133 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index cbfc58d60236..dc1de7224426 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -253,6 +253,9 @@ config ACPI_ASUS
config ACPI_TOSHIBA
tristate "Toshiba Laptop Extras"
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/battery.c b/drivers/acpi/battery.c
index de8046933bce..b2133e89ad9a 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -431,7 +431,7 @@ static ssize_t acpi_battery_alarm_store(struct device *dev,
}
static struct device_attribute alarm_attr = {
- .attr = {.name = "alarm", .mode = 0644, .owner = THIS_MODULE},
+ .attr = {.name = "alarm", .mode = 0644},
.show = acpi_battery_alarm_show,
.store = acpi_battery_alarm_store,
};
diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c
index 8dd3336efd7e..24649ada08df 100644
--- a/drivers/acpi/glue.c
+++ b/drivers/acpi/glue.c
@@ -260,116 +260,3 @@ static int __init init_acpi_device_notify(void)
}
arch_initcall(init_acpi_device_notify);
-
-
-#if defined(CONFIG_RTC_DRV_CMOS) || defined(CONFIG_RTC_DRV_CMOS_MODULE)
-
-#ifdef CONFIG_PM
-static u32 rtc_handler(void *context)
-{
- acpi_clear_event(ACPI_EVENT_RTC);
- acpi_disable_event(ACPI_EVENT_RTC, 0);
- return ACPI_INTERRUPT_HANDLED;
-}
-
-static inline void rtc_wake_setup(void)
-{
- acpi_install_fixed_event_handler(ACPI_EVENT_RTC, rtc_handler, NULL);
- /*
- * After the RTC handler is installed, the Fixed_RTC event should
- * be disabled. Only when the RTC alarm is set will it be enabled.
- */
- acpi_clear_event(ACPI_EVENT_RTC);
- acpi_disable_event(ACPI_EVENT_RTC, 0);
-}
-
-static void rtc_wake_on(struct device *dev)
-{
- acpi_clear_event(ACPI_EVENT_RTC);
- acpi_enable_event(ACPI_EVENT_RTC, 0);
-}
-
-static void rtc_wake_off(struct device *dev)
-{
- acpi_disable_event(ACPI_EVENT_RTC, 0);
-}
-#else
-#define rtc_wake_setup() do{}while(0)
-#define rtc_wake_on NULL
-#define rtc_wake_off NULL
-#endif
-
-/* Every ACPI platform has a mc146818 compatible "cmos rtc". Here we find
- * its device node and pass extra config data. This helps its driver use
- * capabilities that the now-obsolete mc146818 didn't have, and informs it
- * that this board's RTC is wakeup-capable (per ACPI spec).
- */
-#include <linux/mc146818rtc.h>
-
-static struct cmos_rtc_board_info rtc_info;
-
-
-/* PNP devices are registered in a subsys_initcall();
- * ACPI specifies the PNP IDs to use.
- */
-#include <linux/pnp.h>
-
-static int __init pnp_match(struct device *dev, void *data)
-{
- static const char *ids[] = { "PNP0b00", "PNP0b01", "PNP0b02", };
- struct pnp_dev *pnp = to_pnp_dev(dev);
- int i;
-
- for (i = 0; i < ARRAY_SIZE(ids); i++) {
- if (compare_pnp_id(pnp->id, ids[i]) != 0)
- return 1;
- }
- return 0;
-}
-
-static struct device *__init get_rtc_dev(void)
-{
- return bus_find_device(&pnp_bus_type, NULL, NULL, pnp_match);
-}
-
-static int __init acpi_rtc_init(void)
-{
- struct device *dev = get_rtc_dev();
-
- if (acpi_disabled)
- return 0;
-
- if (dev) {
- rtc_wake_setup();
- rtc_info.wake_on = rtc_wake_on;
- rtc_info.wake_off = rtc_wake_off;
-
- /* workaround bug in some ACPI tables */
- if (acpi_gbl_FADT.month_alarm && !acpi_gbl_FADT.day_alarm) {
- DBG("bogus FADT month_alarm\n");
- acpi_gbl_FADT.month_alarm = 0;
- }
-
- rtc_info.rtc_day_alarm = acpi_gbl_FADT.day_alarm;
- rtc_info.rtc_mon_alarm = acpi_gbl_FADT.month_alarm;
- rtc_info.rtc_century = acpi_gbl_FADT.century;
-
- /* NOTE: S4_RTC_WAKE is NOT currently useful to Linux */
- if (acpi_gbl_FADT.flags & ACPI_FADT_S4_RTC_WAKE)
- printk(PREFIX "RTC can wake from S4\n");
-
-
- dev->platform_data = &rtc_info;
-
- /* RTC always wakes from S1/S2/S3, and often S4/STD */
- device_init_wakeup(dev, 1);
-
- put_device(dev);
- } else
- DBG("RTC unavailable?\n");
- return 0;
-}
-/* do this between RTC subsys_initcall() and rtc_cmos driver_initcall() */
-fs_initcall(acpi_rtc_init);
-
-#endif
diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c
index d0033250b5a9..6050ce481873 100644
--- a/drivers/acpi/sbs.c
+++ b/drivers/acpi/sbs.c
@@ -463,7 +463,7 @@ static ssize_t acpi_battery_alarm_store(struct device *dev,
}
static struct device_attribute alarm_attr = {
- .attr = {.name = "alarm", .mode = 0644, .owner = THIS_MODULE},
+ .attr = {.name = "alarm", .mode = 0644},
.show = acpi_battery_alarm_show,
.store = acpi_battery_alarm_store,
};
diff --git a/drivers/acpi/sleep/proc.c b/drivers/acpi/sleep/proc.c
index bf5b04de02d1..631ee2ee2ca0 100644
--- a/drivers/acpi/sleep/proc.c
+++ b/drivers/acpi/sleep/proc.c
@@ -120,13 +120,13 @@ static int acpi_system_alarm_seq_show(struct seq_file *seq, void *offset)
spin_unlock_irqrestore(&rtc_lock, flags);
if (!(rtc_control & RTC_DM_BINARY) || RTC_ALWAYS_BCD) {
- BCD_TO_BIN(sec);
- BCD_TO_BIN(min);
- BCD_TO_BIN(hr);
- BCD_TO_BIN(day);
- BCD_TO_BIN(mo);
- BCD_TO_BIN(yr);
- BCD_TO_BIN(cent);
+ sec = bcd2bin(sec);
+ min = bcd2bin(min);
+ hr = bcd2bin(hr);
+ day = bcd2bin(day);
+ mo = bcd2bin(mo);
+ yr = bcd2bin(yr);
+ cent = bcd2bin(cent);
}
/* we're trusting the FADT (see above) */
@@ -204,7 +204,7 @@ static u32 cmos_bcd_read(int offset, int rtc_control)
{
u32 val = CMOS_READ(offset);
if (!(rtc_control & RTC_DM_BINARY) || RTC_ALWAYS_BCD)
- BCD_TO_BIN(val);
+ val = bcd2bin(val);
return val;
}
@@ -212,7 +212,7 @@ static u32 cmos_bcd_read(int offset, int rtc_control)
static void cmos_bcd_write(u32 val, int offset, int rtc_control)
{
if (!(rtc_control & RTC_DM_BINARY) || RTC_ALWAYS_BCD)
- BIN_TO_BCD(val);
+ val = bin2bcd(val);
CMOS_WRITE(val, offset);
}
diff --git a/drivers/acpi/system.c b/drivers/acpi/system.c
index 3eefd6d029f9..1d74171b7940 100644
--- a/drivers/acpi/system.c
+++ b/drivers/acpi/system.c
@@ -115,7 +115,6 @@ static void acpi_table_attr_init(struct acpi_table_attr *table_attr,
table_attr->attr.read = acpi_table_show;
table_attr->attr.attr.name = table_attr->name;
table_attr->attr.attr.mode = 0444;
- table_attr->attr.attr.owner = THIS_MODULE;
return;
}
diff --git a/drivers/acpi/toshiba_acpi.c b/drivers/acpi/toshiba_acpi.c
index 4172d290f275..2a632f8b7a05 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);