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-rw-r--r--drivers/platform/x86/Kconfig35
-rw-r--r--drivers/platform/x86/Makefile1
-rw-r--r--drivers/platform/x86/acer-wmi.c35
-rw-r--r--drivers/platform/x86/asus_acpi.c3
-rw-r--r--drivers/platform/x86/dell-laptop.c4
-rw-r--r--drivers/platform/x86/dell-wmi.c210
-rw-r--r--drivers/platform/x86/hp-wmi.c25
-rw-r--r--drivers/platform/x86/intel_menlow.c29
-rw-r--r--drivers/platform/x86/panasonic-laptop.c9
-rw-r--r--drivers/platform/x86/sony-laptop.c531
-rw-r--r--drivers/platform/x86/tc1100-wmi.c7
-rw-r--r--drivers/platform/x86/thinkpad_acpi.c739
-rw-r--r--drivers/platform/x86/toshiba_acpi.c3
13 files changed, 1254 insertions, 377 deletions
diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
index 3608081bc3e..284ebaca6e4 100644
--- a/drivers/platform/x86/Kconfig
+++ b/drivers/platform/x86/Kconfig
@@ -67,6 +67,16 @@ config DELL_LAPTOP
This driver adds support for rfkill and backlight control to Dell
laptops.
+config DELL_WMI
+ tristate "Dell WMI extras"
+ depends on ACPI_WMI
+ depends on INPUT
+ ---help---
+ Say Y here if you want to support WMI-based hotkeys on Dell laptops.
+
+ To compile this driver as a module, choose M here: the module will
+ be called dell-wmi.
+
config FUJITSU_LAPTOP
tristate "Fujitsu Laptop Extras"
depends on ACPI
@@ -165,6 +175,7 @@ config SONY_LAPTOP
depends on ACPI
select BACKLIGHT_CLASS_DEVICE
depends on INPUT
+ depends on RFKILL
---help---
This mini-driver drives the SNC and SPIC devices present in the ACPI
BIOS of the Sony Vaio laptops.
@@ -226,6 +237,30 @@ config THINKPAD_ACPI_DEBUG
If you are not sure, say N here.
+config THINKPAD_ACPI_UNSAFE_LEDS
+ bool "Allow control of important LEDs (unsafe)"
+ depends on THINKPAD_ACPI
+ default n
+ ---help---
+ Overriding LED state on ThinkPads can mask important
+ firmware alerts (like critical battery condition), or misled
+ the user into damaging the hardware (undocking or ejecting
+ the bay while buses are still active), etc.
+
+ LED control on the ThinkPad is write-only (with very few
+ exceptions on very ancient models), which makes it
+ impossible to know beforehand if important information will
+ be lost when one changes LED state.
+
+ Users that know what they are doing can enable this option
+ and the driver will allow control of every LED, including
+ the ones on the dock stations.
+
+ Never enable this option on a distribution kernel.
+
+ Say N here, unless you are building a kernel for your own
+ use, and need to control the important firmware LEDs.
+
config THINKPAD_ACPI_DOCK
bool "Legacy Docking Station Support"
depends on THINKPAD_ACPI
diff --git a/drivers/platform/x86/Makefile b/drivers/platform/x86/Makefile
index e29065120be..e40c7bd1b87 100644
--- a/drivers/platform/x86/Makefile
+++ b/drivers/platform/x86/Makefile
@@ -7,6 +7,7 @@ obj-$(CONFIG_EEEPC_LAPTOP) += eeepc-laptop.o
obj-$(CONFIG_MSI_LAPTOP) += msi-laptop.o
obj-$(CONFIG_COMPAL_LAPTOP) += compal-laptop.o
obj-$(CONFIG_DELL_LAPTOP) += dell-laptop.o
+obj-$(CONFIG_DELL_WMI) += dell-wmi.o
obj-$(CONFIG_ACER_WMI) += acer-wmi.o
obj-$(CONFIG_HP_WMI) += hp-wmi.o
obj-$(CONFIG_TC1100_WMI) += tc1100-wmi.o
diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c
index a6a42e8c060..0f6e43bf4fc 100644
--- a/drivers/platform/x86/acer-wmi.c
+++ b/drivers/platform/x86/acer-wmi.c
@@ -1,7 +1,7 @@
/*
* Acer WMI Laptop Extras
*
- * Copyright (C) 2007-2008 Carlos Corbacho <carlos@strangeworlds.co.uk>
+ * Copyright (C) 2007-2009 Carlos Corbacho <carlos@strangeworlds.co.uk>
*
* Based on acer_acpi:
* Copyright (C) 2005-2007 E.M. Smith
@@ -225,6 +225,25 @@ static struct quirk_entry quirk_fujitsu_amilo_li_1718 = {
.wireless = 2,
};
+/* The Aspire One has a dummy ACPI-WMI interface - disable it */
+static struct dmi_system_id __devinitdata acer_blacklist[] = {
+ {
+ .ident = "Acer Aspire One (SSD)",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "AOA110"),
+ },
+ },
+ {
+ .ident = "Acer Aspire One (HDD)",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "AOA150"),
+ },
+ },
+ {}
+};
+
static struct dmi_system_id acer_quirks[] = {
{
.callback = dmi_matched,
@@ -1117,11 +1136,17 @@ static int __devinit acer_platform_probe(struct platform_device *device)
}
err = acer_rfkill_init(&device->dev);
+ if (err)
+ goto error_rfkill;
return err;
+error_rfkill:
+ if (has_cap(ACER_CAP_BRIGHTNESS))
+ acer_backlight_exit();
error_brightness:
- acer_led_exit();
+ if (has_cap(ACER_CAP_MAILLED))
+ acer_led_exit();
error_mailled:
return err;
}
@@ -1254,6 +1279,12 @@ static int __init acer_wmi_init(void)
printk(ACER_INFO "Acer Laptop ACPI-WMI Extras\n");
+ if (dmi_check_system(acer_blacklist)) {
+ printk(ACER_INFO "Blacklisted hardware detected - "
+ "not loading\n");
+ return -ENODEV;
+ }
+
find_quirks();
/*
diff --git a/drivers/platform/x86/asus_acpi.c b/drivers/platform/x86/asus_acpi.c
index d63f26e666a..ba1f7497e4b 100644
--- a/drivers/platform/x86/asus_acpi.c
+++ b/drivers/platform/x86/asus_acpi.c
@@ -987,7 +987,6 @@ asus_proc_add(char *name, proc_writefunc *writefunc,
proc->write_proc = writefunc;
proc->read_proc = readfunc;
proc->data = acpi_driver_data(device);
- proc->owner = THIS_MODULE;
proc->uid = asus_uid;
proc->gid = asus_gid;
return 0;
@@ -1020,7 +1019,6 @@ static int asus_hotk_add_fs(struct acpi_device *device)
if (proc) {
proc->read_proc = proc_read_info;
proc->data = acpi_driver_data(device);
- proc->owner = THIS_MODULE;
proc->uid = asus_uid;
proc->gid = asus_gid;
} else {
@@ -1436,7 +1434,6 @@ static int __init asus_acpi_init(void)
printk(KERN_ERR "Asus ACPI: Unable to create /proc entry\n");
return -ENODEV;
}
- asus_proc_dir->owner = THIS_MODULE;
result = acpi_bus_register_driver(&asus_hotk_driver);
if (result < 0) {
diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c
index 16e11c2ee19..af9f4302117 100644
--- a/drivers/platform/x86/dell-laptop.c
+++ b/drivers/platform/x86/dell-laptop.c
@@ -103,7 +103,7 @@ static void parse_da_table(const struct dmi_header *dm)
da_num_tokens += tokens;
}
-static void find_tokens(const struct dmi_header *dm)
+static void find_tokens(const struct dmi_header *dm, void *dummy)
{
switch (dm->type) {
case 0xd4: /* Indexed IO */
@@ -356,7 +356,7 @@ static int __init dell_init(void)
if (!dmi_check_system(dell_device_table))
return -ENODEV;
- dmi_walk(find_tokens);
+ dmi_walk(find_tokens, NULL);
if (!da_tokens) {
printk(KERN_INFO "dell-laptop: Unable to find dmi tokens\n");
diff --git a/drivers/platform/x86/dell-wmi.c b/drivers/platform/x86/dell-wmi.c
new file mode 100644
index 00000000000..2fab9416214
--- /dev/null
+++ b/drivers/platform/x86/dell-wmi.c
@@ -0,0 +1,210 @@
+/*
+ * Dell WMI hotkeys
+ *
+ * Copyright (C) 2008 Red Hat <mjg@redhat.com>
+ *
+ * Portions based on wistron_btns.c:
+ * Copyright (C) 2005 Miloslav Trmac <mitr@volny.cz>
+ * Copyright (C) 2005 Bernhard Rosenkraenzer <bero@arklinux.org>
+ * Copyright (C) 2005 Dmitry Torokhov <dtor@mail.ru>
+ *
+ * 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/input.h>
+#include <acpi/acpi_drivers.h>
+#include <linux/acpi.h>
+#include <linux/string.h>
+
+MODULE_AUTHOR("Matthew Garrett <mjg@redhat.com>");
+MODULE_DESCRIPTION("Dell laptop WMI hotkeys driver");
+MODULE_LICENSE("GPL");
+
+#define DELL_EVENT_GUID "9DBB5994-A997-11DA-B012-B622A1EF5492"
+
+MODULE_ALIAS("wmi:"DELL_EVENT_GUID);
+
+struct key_entry {
+ char type; /* See KE_* below */
+ u16 code;
+ u16 keycode;
+};
+
+enum { KE_KEY, KE_SW, KE_END };
+
+static struct key_entry dell_wmi_keymap[] = {
+ {KE_KEY, 0xe045, KEY_PROG1},
+ {KE_END, 0}
+};
+
+static struct input_dev *dell_wmi_input_dev;
+
+static struct key_entry *dell_wmi_get_entry_by_scancode(int code)
+{
+ struct key_entry *key;
+
+ for (key = dell_wmi_keymap; key->type != KE_END; key++)
+ if (code == key->code)
+ return key;
+
+ return NULL;
+}
+
+static struct key_entry *dell_wmi_get_entry_by_keycode(int keycode)
+{
+ struct key_entry *key;
+
+ for (key = dell_wmi_keymap; key->type != KE_END; key++)
+ if (key->type == KE_KEY && keycode == key->keycode)
+ return key;
+
+ return NULL;
+}
+
+static int dell_wmi_getkeycode(struct input_dev *dev, int scancode,
+ int *keycode)
+{
+ struct key_entry *key = dell_wmi_get_entry_by_scancode(scancode);
+
+ if (key && key->type == KE_KEY) {
+ *keycode = key->keycode;
+ return 0;
+ }
+
+ return -EINVAL;
+}
+
+static int dell_wmi_setkeycode(struct input_dev *dev, int scancode, int keycode)
+{
+ struct key_entry *key;
+ int old_keycode;
+
+ if (keycode < 0 || keycode > KEY_MAX)
+ return -EINVAL;
+
+ key = dell_wmi_get_entry_by_scancode(scancode);
+ if (key && key->type == KE_KEY) {
+ old_keycode = key->keycode;
+ key->keycode = keycode;
+ set_bit(keycode, dev->keybit);
+ if (!dell_wmi_get_entry_by_keycode(old_keycode))
+ clear_bit(old_keycode, dev->keybit);
+ return 0;
+ }
+ return -EINVAL;
+}
+
+static void dell_wmi_notify(u32 value, void *context)
+{
+ struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL };
+ static struct key_entry *key;
+ union acpi_object *obj;
+
+ wmi_get_event_data(value, &response);
+
+ obj = (union acpi_object *)response.pointer;
+
+ if (obj && obj->type == ACPI_TYPE_BUFFER) {
+ int *buffer = (int *)obj->buffer.pointer;
+ key = dell_wmi_get_entry_by_scancode(buffer[1]);
+ if (key) {
+ input_report_key(dell_wmi_input_dev, key->keycode, 1);
+ input_sync(dell_wmi_input_dev);
+ input_report_key(dell_wmi_input_dev, key->keycode, 0);
+ input_sync(dell_wmi_input_dev);
+ } else
+ printk(KERN_INFO "dell-wmi: Unknown key %x pressed\n",
+ buffer[1]);
+ }
+}
+
+static int __init dell_wmi_input_setup(void)
+{
+ struct key_entry *key;
+ int err;
+
+ dell_wmi_input_dev = input_allocate_device();
+
+ if (!dell_wmi_input_dev)
+ return -ENOMEM;
+
+ dell_wmi_input_dev->name = "Dell WMI hotkeys";
+ dell_wmi_input_dev->phys = "wmi/input0";
+ dell_wmi_input_dev->id.bustype = BUS_HOST;
+ dell_wmi_input_dev->getkeycode = dell_wmi_getkeycode;
+ dell_wmi_input_dev->setkeycode = dell_wmi_setkeycode;
+
+ for (key = dell_wmi_keymap; key->type != KE_END; key++) {
+ switch (key->type) {
+ case KE_KEY:
+ set_bit(EV_KEY, dell_wmi_input_dev->evbit);
+ set_bit(key->keycode, dell_wmi_input_dev->keybit);
+ break;
+ case KE_SW:
+ set_bit(EV_SW, dell_wmi_input_dev->evbit);
+ set_bit(key->keycode, dell_wmi_input_dev->swbit);
+ break;
+ }
+ }
+
+ err = input_register_device(dell_wmi_input_dev);
+
+ if (err) {
+ input_free_device(dell_wmi_input_dev);
+ return err;
+ }
+
+ return 0;
+}
+
+static int __init dell_wmi_init(void)
+{
+ int err;
+
+ if (wmi_has_guid(DELL_EVENT_GUID)) {
+ err = dell_wmi_input_setup();
+
+ if (err)
+ return err;
+
+ err = wmi_install_notify_handler(DELL_EVENT_GUID,
+ dell_wmi_notify, NULL);
+ if (err) {
+ input_unregister_device(dell_wmi_input_dev);
+ printk(KERN_ERR "dell-wmi: Unable to register"
+ " notify handler - %d\n", err);
+ return err;
+ }
+
+ } else
+ printk(KERN_WARNING "dell-wmi: No known WMI GUID found\n");
+
+ return 0;
+}
+
+static void __exit dell_wmi_exit(void)
+{
+ if (wmi_has_guid(DELL_EVENT_GUID)) {
+ wmi_remove_notify_handler(DELL_EVENT_GUID);
+ input_unregister_device(dell_wmi_input_dev);
+ }
+}
+
+module_init(dell_wmi_init);
+module_exit(dell_wmi_exit);
diff --git a/drivers/platform/x86/hp-wmi.c b/drivers/platform/x86/hp-wmi.c
index f41135f2fb2..50d9019de2b 100644
--- a/drivers/platform/x86/hp-wmi.c
+++ b/drivers/platform/x86/hp-wmi.c
@@ -53,6 +53,7 @@ MODULE_ALIAS("wmi:5FB7F034-2C63-45e9-BE91-3D44E2C707E4");
static int __init hp_wmi_bios_setup(struct platform_device *device);
static int __exit hp_wmi_bios_remove(struct platform_device *device);
+static int hp_wmi_resume_handler(struct platform_device *device);
struct bios_args {
u32 signature;
@@ -101,6 +102,7 @@ static struct platform_driver hp_wmi_driver = {
},
.probe = hp_wmi_bios_setup,
.remove = hp_wmi_bios_remove,
+ .resume = hp_wmi_resume_handler,
};
static int hp_wmi_perform_query(int query, int write, int value)
@@ -487,6 +489,29 @@ static int __exit hp_wmi_bios_remove(struct platform_device *device)
return 0;
}
+static int hp_wmi_resume_handler(struct platform_device *device)
+{
+ struct key_entry *key;
+
+ /*
+ * Docking state may have changed while suspended, so trigger
+ * an input event for the current state. As this is a switch,
+ * the input layer will only actually pass it on if the state
+ * changed.
+ */
+ for (key = hp_wmi_keymap; key->type != KE_END; key++) {
+ switch (key->type) {
+ case KE_SW:
+ input_report_switch(hp_wmi_input_dev, key->keycode,
+ hp_wmi_dock_state());
+ input_sync(hp_wmi_input_dev);
+ break;
+ }
+ }
+
+ return 0;
+}
+
static int __init hp_wmi_init(void)
{
int err;
diff --git a/drivers/platform/x86/intel_menlow.c b/drivers/platform/x86/intel_menlow.c
index 27b7662955b..29432a50be4 100644
--- a/drivers/platform/x86/intel_menlow.c
+++ b/drivers/platform/x86/intel_menlow.c
@@ -57,8 +57,8 @@ MODULE_LICENSE("GPL");
* In that case max_cstate would be n-1
* GTHS returning '0' would mean that no bandwidth control states are supported
*/
-static int memory_get_int_max_bandwidth(struct thermal_cooling_device *cdev,
- unsigned long *max_state)
+static int memory_get_max_bandwidth(struct thermal_cooling_device *cdev,
+ unsigned long *max_state)
{
struct acpi_device *device = cdev->devdata;
acpi_handle handle = device->handle;
@@ -83,22 +83,12 @@ static int memory_get_int_max_bandwidth(struct thermal_cooling_device *cdev,
return 0;
}
-static int memory_get_max_bandwidth(struct thermal_cooling_device *cdev,
- char *buf)
-{
- unsigned long value;
- if (memory_get_int_max_bandwidth(cdev, &value))
- return -EINVAL;
-
- return sprintf(buf, "%ld\n", value);
-}
-
static int memory_get_cur_bandwidth(struct thermal_cooling_device *cdev,
- char *buf)
+ unsigned long *value)
{
struct acpi_device *device = cdev->devdata;
acpi_handle handle = device->handle;
- unsigned long long value;
+ unsigned long long result;
struct acpi_object_list arg_list;
union acpi_object arg;
acpi_status status = AE_OK;
@@ -108,15 +98,16 @@ static int memory_get_cur_bandwidth(struct thermal_cooling_device *cdev,
arg.type = ACPI_TYPE_INTEGER;
arg.integer.value = MEMORY_ARG_CUR_BANDWIDTH;
status = acpi_evaluate_integer(handle, MEMORY_GET_BANDWIDTH,
- &arg_list, &value);
+ &arg_list, &result);
if (ACPI_FAILURE(status))
return -EFAULT;
- return sprintf(buf, "%llu\n", value);
+ *value = result;
+ return 0;
}
static int memory_set_cur_bandwidth(struct thermal_cooling_device *cdev,
- unsigned int state)
+ unsigned long state)
{
struct acpi_device *device = cdev->devdata;
acpi_handle handle = device->handle;
@@ -126,7 +117,7 @@ static int memory_set_cur_bandwidth(struct thermal_cooling_device *cdev,
unsigned long long temp;
unsigned long max_state;
- if (memory_get_int_max_bandwidth(cdev, &max_state))
+ if (memory_get_max_bandwidth(cdev, &max_state))
return -EFAULT;
if (state > max_state)
@@ -142,7 +133,7 @@ static int memory_set_cur_bandwidth(struct thermal_cooling_device *cdev,
&temp);
printk(KERN_INFO
- "Bandwidth value was %d: status is %d\n", state, status);
+ "Bandwidth value was %ld: status is %d\n", state, status);
if (ACPI_FAILURE(status))
return -EFAULT;
diff --git a/drivers/platform/x86/panasonic-laptop.c b/drivers/platform/x86/panasonic-laptop.c
index c47a44dcb70..a5ce4bc202e 100644
--- a/drivers/platform/x86/panasonic-laptop.c
+++ b/drivers/platform/x86/panasonic-laptop.c
@@ -184,6 +184,7 @@ static const struct acpi_device_id pcc_device_ids[] = {
{ "MAT0019", 0},
{ "", 0},
};
+MODULE_DEVICE_TABLE(acpi, pcc_device_ids);
static struct acpi_driver acpi_pcc_driver = {
.name = ACPI_PCC_DRIVER_NAME,
@@ -366,7 +367,7 @@ static ssize_t show_numbatt(struct device *dev, struct device_attribute *attr,
if (!acpi_pcc_retrieve_biosdata(pcc, pcc->sinf))
return -EIO;
- return sprintf(buf, "%u\n", pcc->sinf[SINF_NUM_BATTERIES]);
+ return snprintf(buf, PAGE_SIZE, "%u\n", pcc->sinf[SINF_NUM_BATTERIES]);
}
static ssize_t show_lcdtype(struct device *dev, struct device_attribute *attr,
@@ -378,7 +379,7 @@ static ssize_t show_lcdtype(struct device *dev, struct device_attribute *attr,
if (!acpi_pcc_retrieve_biosdata(pcc, pcc->sinf))
return -EIO;
- return sprintf(buf, "%u\n", pcc->sinf[SINF_LCD_TYPE]);
+ return snprintf(buf, PAGE_SIZE, "%u\n", pcc->sinf[SINF_LCD_TYPE]);
}
static ssize_t show_mute(struct device *dev, struct device_attribute *attr,
@@ -390,7 +391,7 @@ static ssize_t show_mute(struct device *dev, struct device_attribute *attr,
if (!acpi_pcc_retrieve_biosdata(pcc, pcc->sinf))
return -EIO;
- return sprintf(buf, "%u\n", pcc->sinf[SINF_MUTE]);
+ return snprintf(buf, PAGE_SIZE, "%u\n", pcc->sinf[SINF_MUTE]);
}
static ssize_t show_sticky(struct device *dev, struct device_attribute *attr,
@@ -402,7 +403,7 @@ static ssize_t show_sticky(struct device *dev, struct device_attribute *attr,
if (!acpi_pcc_retrieve_biosdata(pcc, pcc->sinf))
return -EIO;
- return sprintf(buf, "%u\n", pcc->sinf[SINF_STICKY_KEY]);
+ return snprintf(buf, PAGE_SIZE, "%u\n", pcc->sinf[SINF_STICKY_KEY]);
}
static ssize_t set_sticky(struct device *dev, struct device_attribute *attr,
diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c
index bc8996c849a..a90ec5cb2f2 100644
--- a/drivers/platform/x86/sony-laptop.c
+++ b/drivers/platform/x86/sony-laptop.c
@@ -2,7 +2,7 @@
* ACPI Sony Notebook Control Driver (SNC and SPIC)
*
* Copyright (C) 2004-2005 Stelian Pop <stelian@popies.net>
- * Copyright (C) 2007 Mattia Dongili <malattia@linux.it>
+ * Copyright (C) 2007-2009 Mattia Dongili <malattia@linux.it>
*
* Parts of this driver inspired from asus_acpi.c and ibm_acpi.c
* which are copyrighted by their respective authors.
@@ -46,7 +46,6 @@
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
-#include <linux/smp_lock.h>
#include <linux/types.h>
#include <linux/backlight.h>
#include <linux/platform_device.h>
@@ -64,6 +63,7 @@
#include <asm/uaccess.h>
#include <linux/sonypi.h>
#include <linux/sony-laptop.h>
+#include <linux/rfkill.h>
#ifdef CONFIG_SONYPI_COMPAT
#include <linux/poll.h>
#include <linux/miscdevice.h>
@@ -123,6 +123,18 @@ MODULE_PARM_DESC(minor,
"default is -1 (automatic)");
#endif
+enum sony_nc_rfkill {
+ SONY_WIFI,
+ SONY_BLUETOOTH,
+ SONY_WWAN,
+ SONY_WIMAX,
+ SONY_RFKILL_MAX,
+};
+
+static struct rfkill *sony_rfkill_devices[SONY_RFKILL_MAX];
+static int sony_rfkill_address[SONY_RFKILL_MAX] = {0x300, 0x500, 0x700, 0x900};
+static void sony_nc_rfkill_update(void);
+
/*********** Input Devices ***********/
#define SONY_LAPTOP_BUF_SIZE 128
@@ -134,6 +146,7 @@ struct sony_laptop_input_s {
spinlock_t fifo_lock;
struct workqueue_struct *wq;
};
+
static struct sony_laptop_input_s sony_laptop_input = {
.users = ATOMIC_INIT(0),
};
@@ -211,6 +224,14 @@ static int sony_laptop_input_index[] = {
48, /* 61 SONYPI_EVENT_WIRELESS_OFF */
49, /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
50, /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
+ 51, /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */
+ 52, /* 65 SONYPI_EVENT_MODEKEY_PRESSED */
+ 53, /* 66 SONYPI_EVENT_PKEY_P4 */
+ 54, /* 67 SONYPI_EVENT_PKEY_P5 */
+ 55, /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */
+ 56, /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */
+ 57, /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */
+ -1, /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */
};
static int sony_laptop_input_keycode_map[] = {
@@ -264,7 +285,14 @@ static int sony_laptop_input_keycode_map[] = {
KEY_WLAN, /* 47 SONYPI_EVENT_WIRELESS_ON */
KEY_WLAN, /* 48 SONYPI_EVENT_WIRELESS_OFF */
KEY_ZOOMIN, /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
- KEY_ZOOMOUT /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
+ KEY_ZOOMOUT, /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
+ KEY_EJECTCD, /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
+ KEY_F13, /* 52 SONYPI_EVENT_MODEKEY_PRESSED */
+ KEY_PROG4, /* 53 SONYPI_EVENT_PKEY_P4 */
+ KEY_F14, /* 54 SONYPI_EVENT_PKEY_P5 */
+ KEY_F15, /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
+ KEY_VOLUMEUP, /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
+ KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
};
/* release buttons after a short delay if pressed */
@@ -369,7 +397,7 @@ static int sony_laptop_setup_input(struct acpi_device *acpi_device)
sony_laptop_input.wq = create_singlethread_workqueue("sony-laptop");
if (!sony_laptop_input.wq) {
printk(KERN_ERR DRV_PFX
- "Unabe to create workqueue.\n");
+ "Unable to create workqueue.\n");
error = -ENXIO;
goto err_free_kfifo;
}
@@ -689,6 +717,31 @@ static int acpi_callsetfunc(acpi_handle handle, char *name, int value,
return -1;
}
+static int sony_find_snc_handle(int handle)
+{
+ int i;
+ int result;
+
+ for (i = 0x20; i < 0x30; i++) {
+ acpi_callsetfunc(sony_nc_acpi_handle, "SN00", i, &result);
+ if (result == handle)
+ return i-0x20;
+ }
+
+ return -1;
+}
+
+static int sony_call_snc_handle(int handle, int argument, int *result)
+{
+ int offset = sony_find_snc_handle(handle);
+
+ if (offset < 0)
+ return -1;
+
+ return acpi_callsetfunc(sony_nc_acpi_handle, "SN07", offset | argument,
+ result);
+}
+
/*
* sony_nc_values input/output validate functions
*/
@@ -809,87 +862,53 @@ struct sony_nc_event {
u8 event;
};
-static struct sony_nc_event *sony_nc_events;
-
-/* Vaio C* --maybe also FE*, N* and AR* ?-- special init sequence
- * for Fn keys
- */
-static int sony_nc_C_enable(const struct dmi_system_id *id)
-{
- int result = 0;
-
- printk(KERN_NOTICE DRV_PFX "detected %s\n", id->ident);
-
- sony_nc_events = id->driver_data;
-
- if (acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0x4, &result) < 0
- || acpi_callsetfunc(sony_nc_acpi_handle, "SN07", 0x2, &result) < 0
- || acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0x10, &result) < 0
- || acpi_callsetfunc(sony_nc_acpi_handle, "SN07", 0x0, &result) < 0
- || acpi_callsetfunc(sony_nc_acpi_handle, "SN03", 0x2, &result) < 0
- || acpi_callsetfunc(sony_nc_acpi_handle, "SN07", 0x101, &result) < 0) {
- printk(KERN_WARNING DRV_PFX "failed to initialize SNC, some "
- "functionalities may be missing\n");
- return 1;
- }
- return 0;
-}
-
-static struct sony_nc_event sony_C_events[] = {
+static struct sony_nc_event sony_100_events[] = {
+ { 0x90, SONYPI_EVENT_PKEY_P1 },
+ { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
+ { 0x91, SONYPI_EVENT_PKEY_P2 },
+ { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
{ 0x81, SONYPI_EVENT_FNKEY_F1 },
{ 0x01, SONYPI_EVENT_FNKEY_RELEASED },
+ { 0x82, SONYPI_EVENT_FNKEY_F2 },
+ { 0x02, SONYPI_EVENT_FNKEY_RELEASED },
+ { 0x83, SONYPI_EVENT_FNKEY_F3 },
+ { 0x03, SONYPI_EVENT_FNKEY_RELEASED },
+ { 0x84, SONYPI_EVENT_FNKEY_F4 },
+ { 0x04, SONYPI_EVENT_FNKEY_RELEASED },
{ 0x85, SONYPI_EVENT_FNKEY_F5 },
{ 0x05, SONYPI_EVENT_FNKEY_RELEASED },
{ 0x86, SONYPI_EVENT_FNKEY_F6 },
{ 0x06, SONYPI_EVENT_FNKEY_RELEASED },
{ 0x87, SONYPI_EVENT_FNKEY_F7 },
{ 0x07, SONYPI_EVENT_FNKEY_RELEASED },
+ { 0x89, SONYPI_EVENT_FNKEY_F9 },
+ { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
{ 0x8A, SONYPI_EVENT_FNKEY_F10 },
{ 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
{ 0x8C, SONYPI_EVENT_FNKEY_F12 },
{ 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
+ { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
+ { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
{ 0, 0 },
};
-/* SNC-only model map */
-static const struct dmi_system_id sony_nc_ids[] = {
- {
- .ident = "Sony Vaio FE Series",
- .callback = sony_nc_C_enable,
- .driver_data = sony_C_events,
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
- DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FE"),
- },
- },
- {
- .ident = "Sony Vaio FZ Series",
- .callback = sony_nc_C_enable,
- .driver_data = sony_C_events,
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
- DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FZ"),
- },
- },
- {
- .ident = "Sony Vaio C Series",
- .callback = sony_nc_C_enable,
- .driver_data = sony_C_events,
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
- DMI_MATCH(DMI_PRODUCT_NAME, "VGN-C"),
- },
- },
- {
- .ident = "Sony Vaio N Series",
- .callback = sony_nc_C_enable,
- .driver_data = sony_C_events,
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
- DMI_MATCH(DMI_PRODUCT_NAME, "VGN-N"),
- },
- },
- { }
+static struct sony_nc_event sony_127_events[] = {
+ { 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
+ { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
+ { 0x82, SONYPI_EVENT_PKEY_P1 },
+ { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
+ { 0x83, SONYPI_EVENT_PKEY_P2 },
+ { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
+ { 0x84, SONYPI_EVENT_PKEY_P3 },
+ { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
+ { 0x85, SONYPI_EVENT_PKEY_P4 },
+ { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
+ { 0x86, SONYPI_EVENT_PKEY_P5 },
+ { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
+ { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
+ { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
+ { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
+ { 0, 0 },
};
/*
@@ -897,38 +916,59 @@ static const struct dmi_system_id sony_nc_ids[] = {
*/
static void sony_acpi_notify(acpi_handle handle, u32 event, void *data)
{
- struct sony_nc_event *evmap;
u32 ev = event;
- int result;
- if (ev == 0x92) {
- /* read the key pressed from EC.GECR
- * A call to SN07 with 0x0202 will do it as well respecting
- * the current protocol on different OSes
- *
- * Note: the path for GECR may be
- * \_SB.PCI0.LPCB.EC (C, FE, AR, N and friends)
- * \_SB.PCI0.PIB.EC0 (VGN-FR notifications are sent directly, no GECR)
- *
- * TODO: we may want to do the same for the older GHKE -need
- * dmi list- so this snippet may become one more callback.
- */
- if (acpi_callsetfunc(handle, "SN07", 0x0202, &result) < 0)
- dprintk("sony_acpi_notify, unable to decode event 0x%.2x\n", ev);
- else
- ev = result & 0xFF;
- }
+ if (ev >= 0x90) {
+ /* New-style event */
+ int result;
+ int key_handle = 0;
+ ev -= 0x90;
+
+ if (sony_find_snc_handle(0x100) == ev)
+ key_handle = 0x100;
+ if (sony_find_snc_handle(0x127) == ev)
+ key_handle = 0x127;
+
+ if (key_handle) {
+ struct sony_nc_event *key_event;
+
+ if (sony_call_snc_handle(key_handle, 0x200, &result)) {
+ dprintk("sony_acpi_notify, unable to decode"
+ " event 0x%.2x 0x%.2x\n", key_handle,
+ ev);
+ /* restore the original event */
+ ev = event;
+ } else {
+ ev = result & 0xFF;
+
+ if (key_handle == 0x100)
+ key_event = sony_100_events;
+ else
+ key_event = sony_127_events;
+
+ for (; key_event->data; key_event++) {
+ if (key_event->data == ev) {
+ ev = key_event->event;
+ break;
+ }
+ }
- if (sony_nc_events)
- for (evmap = sony_nc_events; evmap->event; evmap++) {
- if (evmap->data == ev) {
- ev = evmap->event;
- break;
+ if (!key_event->data)
+ printk(KERN_INFO DRV_PFX
+ "Unknown event: 0x%x 0x%x\n",
+ key_handle,
+ ev);
+ else
+ sony_laptop_report_input_event(ev);
}
+ } else if (sony_find_snc_handle(0x124) == ev) {
+ sony_nc_rfkill_update();
+ return;
}
+ } else
+ sony_laptop_report_input_event(ev);
dprintk("sony_acpi_notify, event: 0x%.2x\n", ev);
- sony_laptop_report_input_event(ev);
acpi_bus_generate_proc_event(sony_nc_acpi_device, 1, ev);
}
@@ -953,9 +993,25 @@ static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
/*
* ACPI device
*/
+static int sony_nc_function_setup(struct acpi_device *device)
+{
+ int result;
+
+ /* Enable all events */
+ acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0xffff, &result);
+
+ /* Setup hotkeys */
+ sony_call_snc_handle(0x0100, 0, &result);
+ sony_call_snc_handle(0x0101, 0, &result);
+ sony_call_snc_handle(0x0102, 0x100, &result);
+
+ return 0;
+}
+
static int sony_nc_resume(struct acpi_device *device)
{
struct sony_nc_value *item;
+ acpi_handle handle;
for (item = sony_nc_values; item->name; item++) {
int ret;
@@ -970,13 +1026,188 @@ static int sony_nc_resume(struct acpi_device *device)
}
}
+ if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
+ &handle))) {
+ if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
+ dprintk("ECON Method failed\n");
+ }
+
+ if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
+ &handle))) {
+ dprintk("Doing SNC setup\n");
+ sony_nc_function_setup(device);
+ }
+
/* set the last requested brightness level */
if (sony_backlight_device &&
!sony_backlight_update_status(sony_backlight_device))
printk(KERN_WARNING DRV_PFX "unable to restore brightness level\n");
- /* re-initialize models with specific requirements */
- dmi_check_system(sony_nc_ids);
+ return 0;
+}
+
+static void sony_nc_rfkill_cleanup(void)
+{
+ int i;
+
+ for (i = 0; i < SONY_RFKILL_MAX; i++) {
+ if (sony_rfkill_devices[i])
+ rfkill_unregister(sony_rfkill_devices[i]);
+ }
+}
+
+static int sony_nc_rfkill_get(void *data, enum rfkill_state *state)
+{
+ int result;
+ int argument = sony_rfkill_address[(long) data];
+
+ sony_call_snc_handle(0x124, 0x200, &result);
+ if (result & 0x1) {
+ sony_call_snc_handle(0x124, argument, &result);
+ if (result & 0xf)
+ *state = RFKILL_STATE_UNBLOCKED;
+ else
+ *state = RFKILL_STATE_SOFT_BLOCKED;
+ } else {
+ *state = RFKILL_STATE_HARD_BLOCKED;
+ }
+
+ return 0;
+}
+
+static int sony_nc_rfkill_set(void *data, enum rfkill_state state)
+{
+ int result;
+ int argument = sony_rfkill_address[(long) data] + 0x100;
+
+ if (state == RFKILL_STATE_UNBLOCKED)
+ argument |= 0xff0000;
+
+ return sony_call_snc_handle(0x124, argument, &result);
+}
+
+static int sony_nc_setup_wifi_rfkill(struct acpi_device *device)
+{
+ int err = 0;
+ struct rfkill *sony_wifi_rfkill;
+
+ sony_wifi_rfkill = rfkill_allocate(&device->dev, RFKILL_TYPE_WLAN);
+ if (!sony_wifi_rfkill)
+ return -1;
+ sony_wifi_rfkill->name = "sony-wifi";
+ sony_wifi_rfkill->toggle_radio = sony_nc_rfkill_set;
+ sony_wifi_rfkill->get_state = sony_nc_rfkill_get;
+ sony_wifi_rfkill->user_claim_unsupported = 1;
+ sony_wifi_rfkill->data = (void *)SONY_WIFI;
+ err = rfkill_register(sony_wifi_rfkill);
+ if (err)
+ rfkill_free(sony_wifi_rfkill);
+ else
+ sony_rfkill_devices[SONY_WIFI] = sony_wifi_rfkill;
+ return err;
+}
+
+static int sony_nc_setup_bluetooth_rfkill(struct acpi_device *device)
+{
+ int err = 0;
+ struct rfkill *sony_bluetooth_rfkill;
+
+ sony_bluetooth_rfkill = rfkill_allocate(&device->dev,
+ RFKILL_TYPE_BLUETOOTH);
+ if (!sony_bluetooth_rfkill)
+ return -1;
+ sony_bluetooth_rfkill->name = "sony-bluetooth";
+ sony_bluetooth_rfkill->toggle_radio = sony_nc_rfkill_set;
+ sony_bluetooth_rfkill->get_state = sony_nc_rfkill_get;
+ sony_bluetooth_rfkill->user_claim_unsupported = 1;
+ sony_bluetooth_rfkill->data = (void *)SONY_BLUETOOTH;
+ err = rfkill_register(sony_bluetooth_rfkill);
+ if (err)
+ rfkill_free(sony_bluetooth_rfkill);
+ else
+ sony_rfkill_devices[SONY_BLUETOOTH] = sony_bluetooth_rfkill;
+ return err;
+}
+
+static int sony_nc_setup_wwan_rfkill(struct acpi_device *device)
+{
+ int err = 0;
+ struct rfkill *sony_wwan_rfkill;
+
+ sony_wwan_rfkill = rfkill_allocate(&device->dev, RFKILL_TYPE_WWAN);
+ if (!sony_wwan_rfkill)
+ return -1;
+ sony_wwan_rfkill->name = "sony-wwan";
+ sony_wwan_rfkill->toggle_radio = sony_nc_rfkill_set;
+ sony_wwan_rfkill->get_state = sony_nc_rfkill_get;
+ sony_wwan_rfkill->user_claim_unsupported = 1;
+ sony_wwan_rfkill->data = (void *)SONY_WWAN;
+ err = rfkill_register(sony_wwan_rfkill);
+ if (err)
+ rfkill_free(sony_wwan_rfkill);
+ else
+ sony_rfkill_devices[SONY_WWAN] = sony_wwan_rfkill;
+ return err;
+}
+
+static int sony_nc_setup_wimax_rfkill(struct acpi_device *device)
+{
+ int err = 0;
+ struct rfkill *sony_wimax_rfkill;
+
+ sony_wimax_rfkill = rfkill_allocate(&device->dev, RFKILL_TYPE_WIMAX);
+ if (!sony_wimax_rfkill)
+ return -1;
+ sony_wimax_rfkill->name = "sony-wimax";
+ sony_wimax_rfkill->toggle_radio = sony_nc_rfkill_set;
+ sony_wimax_rfkill->get_state = sony_nc_rfkill_get;
+ sony_wimax_rfkill->user_claim_unsupported = 1;
+ sony_wimax_rfkill->data = (void *)SONY_WIMAX;
+ err = rfkill_register(sony_wimax_rfkill);
+ if (err)
+ rfkill_free(sony_wimax_rfkill);
+ else
+ sony_rfkill_devices[SONY_WIMAX] = sony_wimax_rfkill;
+ return err;
+}
+
+static void sony_nc_rfkill_update()
+{
+ int i;
+ enum rfkill_state state;
+
+ for (i = 0; i < SONY_RFKILL_MAX; i++) {
+ if (sony_rfkill_devices[i]) {
+ sony_rfkill_devices[i]->
+ get_state(sony_rfkill_devices[i]->data,
+ &state);
+ rfkill_force_state(sony_rfkill_devices[i], state);
+ }
+ }
+}
+
+static int sony_nc_rfkill_setup(struct acpi_device *device)
+{
+ int result, ret;
+
+ if (sony_find_snc_handle(0x124) == -1)
+ return -1;
+
+ ret = sony_call_snc_handle(0x124, 0xb00, &result);
+ if (ret) {
+ printk(KERN_INFO DRV_PFX
+ "Unable to enumerate rfkill devices: %x\n", ret);
+ return ret;
+ }
+
+ if (result & 0x1)
+ sony_nc_setup_wifi_rfkill(device);
+ if (result & 0x2)
+ sony_nc_setup_bluetooth_rfkill(device);
+ if (result & 0x1c)
+ sony_nc_setup_wwan_rfkill(device);
+ if (result & 0x20)
+ sony_nc_setup_wimax_rfkill(device);
return 0;
}
@@ -1024,11 +1255,24 @@ static int sony_nc_add(struct acpi_device *device)
dprintk("_INI Method failed\n");
}
+ if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
+ &handle))) {
+ if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
+ dprintk("ECON Method failed\n");
+ }
+
+ if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
+ &handle))) {
+ dprintk("Doing SNC setup\n");
+ sony_nc_function_setup(device);
+ sony_nc_rfkill_setup(device);
+ }
+
/* setup input devices and helper fifo */
result = sony_laptop_setup_input(device);
if (result) {
printk(KERN_ERR DRV_PFX
- "Unabe to create input devices.\n");
+ "Unable to create input devices.\n");
goto outwalk;
}
@@ -1063,9 +1307,6 @@ static int sony_nc_add(struct acpi_device *device)
}
- /* initialize models with specific requirements */
- dmi_check_system(sony_nc_ids);
-
result = sony_pf_add();
if (result)
goto outbacklight;
@@ -1131,6 +1372,7 @@ static int sony_nc_add(struct acpi_device *device)
sony_laptop_remove_input();
outwalk:
+ sony_nc_rfkill_cleanup();
return result;
}
@@ -1156,6 +1398,7 @@ static int sony_nc_remove(struct acpi_device *device, int type)
sony_pf_remove();
sony_laptop_remove_input();
+ sony_nc_rfkill_cleanup();
dprintk(SONY_NC_DRIVER_NAME " removed.\n");
return 0;
@@ -1195,7 +1438,6 @@ static struct acpi_driver sony_nc_driver = {
#define SONYPI_TYPE1_OFFSET 0x04
#define SONYPI_TYPE2_OFFSET 0x12
#define SONYPI_TYPE3_OFFSET 0x12
-#define SONYPI_TYPE4_OFFSET 0x12
struct sony_pic_ioport {
struct acpi_resource_io io1;
@@ -1328,6 +1570,7 @@ static struct sonypi_event sonypi_pkeyev[] = {
{ 0x01, SONYPI_EVENT_PKEY_P1 },
{ 0x02, SONYPI_EVENT_PKEY_P2 },
{ 0x04, SONYPI_EVENT_PKEY_P3 },
+ { 0x20, SONYPI_EVENT_PKEY_P1 },
{ 0, 0 }
};
@@ -1371,6 +1614,7 @@ static struct sonypi_event sonypi_zoomev[] = {
{ 0x39, SONYPI_EVENT_ZOOM_PRESSED },
{ 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
{ 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
+ { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
{ 0, 0 }
};
@@ -1401,6 +1645,19 @@ static struct sonypi_event sonypi_batteryev[] = {
{ 0, 0 }
};
+/* The set of possible volume events */
+static struct sonypi_event sonypi_volumeev[] = {
+ { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
+ { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
+ { 0, 0 }
+};
+
+/* The set of possible brightness events */
+static struct sonypi_event sonypi_brightnessev[] = {
+ { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
+ { 0, 0 }
+};
+
static struct sonypi_eventtypes type1_events[] = {
{ 0, 0xffffffff, sonypi_releaseev },
{ 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
@@ -1438,17 +1695,11 @@ static struct sonypi_eventtypes type3_events[] = {
{ 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
{ 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
{ 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
- { 0 },
-};
-static struct sonypi_eventtypes type4_events[] = {
- { 0, 0xffffffff, sonypi_releaseev },
- { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
- { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
- { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
- { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
{ 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
{ 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
{ 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
+ { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
+ { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
{ 0 },
};
@@ -1511,11 +1762,11 @@ static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
/*
* minidrivers for SPIC models
*/
-static int type4_handle_irq(const u8 data_mask, const u8 ev)
+static int type3_handle_irq(const u8 data_mask, const u8 ev)
{
/*
* 0x31 could mean we have to take some extra action and wait for
- * the next irq for some Type4 models, it will generate a new
+ * the next irq for some Type3 models, it will generate a new
* irq and we can read new data from the device:
* - 0x5c and 0x5f requires 0xA0
* - 0x61 requires 0xB3
@@ -1545,16 +1796,10 @@ static struct device_ctrl spic_types[] = {
},
{
.model = SONYPI_DEVICE_TYPE3,
- .handle_irq = NULL,
+ .handle_irq = type3_handle_irq,
.evport_offset = SONYPI_TYPE3_OFFSET,
.event_types = type3_events,
},
- {
- .model = SONYPI_DEVICE_TYPE4,
- .handle_irq = type4_handle_irq,
- .evport_offset = SONYPI_TYPE4_OFFSET,
- .event_types = type4_events,
- },
};
static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
@@ -1578,14 +1823,21 @@ static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
if (pcidev) {
- dev->control = &spic_types[3];
+ dev->control = &spic_types[2];
goto out;
}
pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
if (pcidev) {
- dev->control = &spic_types[3];
+ dev->control = &spic_types[2];
+ goto out;
+ }
+
+ pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
+ PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
+ if (pcidev) {
+ dev->control = &spic_types[2];
goto out;
}
@@ -1598,8 +1850,7 @@ out:
printk(KERN_INFO DRV_PFX "detected Type%d model\n",
dev->control->model == SONYPI_DEVICE_TYPE1 ? 1 :
- dev->control->model == SONYPI_DEVICE_TYPE2 ? 2 :
- dev->control->model == SONYPI_DEVICE_TYPE3 ? 3 : 4);
+ dev->control->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
}
/* camera tests and poweron/poweroff */
@@ -1754,17 +2005,14 @@ int sony_pic_camera_command(int command, u8 value)
EXPORT_SYMBOL(sony_pic_camera_command);
/* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
-static void sony_pic_set_wwanpower(u8 state)
+static void __sony_pic_set_wwanpower(u8 state)
{
state = !!state;
- mutex_lock(&spic_dev.lock);
- if (spic_dev.wwan_power == state) {
- mutex_unlock(&spic_dev.lock);
+ if (spic_dev.wwan_power == state)
return;
- }
sony_pic_call2(0xB0, state);
+ sony_pic_call1(0x82);
spic_dev.wwan_power = state;
- mutex_unlock(&spic_dev.lock);
}
static ssize_t sony_pic_wwanpower_store(struct device *dev,
@@ -1776,7 +2024,9 @@ static ssize_t sony_pic_wwanpower_store(struct device *dev,
return -EINVAL;
value = simple_strtoul(buffer, NULL, 10);
- sony_pic_set_wwanpower(value);
+ mutex_lock(&spic_dev.lock);
+ __sony_pic_set_wwanpower(value);
+ mutex_unlock(&spic_dev.lock);
return count;
}
@@ -1929,10 +2179,15 @@ static int sonypi_misc_release(struct inode *inode, struct file *file)
static int sonypi_misc_open(struct inode *inode, struct file *file)
{
/* Flush input queue on first open */
- lock_kernel();
+ unsigned long flags;
+
+ spin_lock_irqsave(sonypi_compat.fifo->lock, flags);
+
if (atomic_inc_return(&sonypi_compat.open_count) == 1)
- kfifo_reset(sonypi_compat.fifo);
- unlock_kernel();
+ __kfifo_reset(sonypi_compat.fifo);
+
+ spin_unlock_irqrestore(sonypi_compat.fifo->lock, flags);
+
return 0;
}
@@ -1985,8 +2240,8 @@ static int ec_read16(u8 addr, u16 *value)
return 0;
}
-static int sonypi_misc_ioctl(struct inode *ip, struct file *fp,
- unsigned int cmd, unsigned long arg)
+static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
+ unsigned long arg)
{
int ret = 0;
void __user *argp = (void __user *)arg;
@@ -2120,7 +2375,7 @@ static const struct file_operations sonypi_misc_fops = {
.open = sonypi_misc_open,
.release = sonypi_misc_release,
.fasync = sonypi_misc_fasync,
- .ioctl = sonypi_misc_ioctl,
+ .unlocked_ioctl = sonypi_misc_ioctl,
};
static struct miscdevice sonypi_misc_device = {
@@ -2561,7 +2816,7 @@ static int sony_pic_add(struct acpi_device *device)
result = sony_pic_possible_resources(device);
if (result) {
printk(KERN_ERR DRV_PFX
- "Unabe to read possible resources.\n");
+ "Unable to read possible resources.\n");
goto err_free_resources;
}
@@ -2569,7 +2824,7 @@ static int sony_pic_add(struct acpi_device *device)
result = sony_laptop_setup_input(device);
if (result) {
printk(KERN_ERR DRV_PFX
- "Unabe to create input devices.\n");
+ "Unable to create input devices.\n");
goto err_free_resources;
}
diff --git a/drivers/platform/x86/tc1100-wmi.c b/drivers/platform/x86/tc1100-wmi.c
index b4a4aa9ee48..44166003d4e 100644
--- a/drivers/platform/x86/tc1100-wmi.c
+++ b/drivers/platform/x86/tc1100-wmi.c
@@ -94,9 +94,8 @@ static int get_state(u32 *out, u8 instance)
return -ENODEV;
obj = (union acpi_object *) result.pointer;
- if (obj && obj->type == ACPI_TYPE_BUFFER &&
- obj->buffer.length == sizeof(u32)) {
- tmp = *((u32 *) obj->buffer.pointer);
+ if (obj && obj->type == ACPI_TYPE_INTEGER) {
+ tmp = obj->integer.value;
} else {
tmp = 0;
}
@@ -109,7 +108,7 @@ static int get_state(u32 *out, u8 instance)
*out = (tmp == 3) ? 1 : 0;
return 0;
case TC1100_INSTANCE_JOGDIAL:
- *out = (tmp == 1) ? 1 : 0;
+ *out = (tmp == 1) ? 0 : 1;
return 0;
default:
return -ENODEV;
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index d2433204a40..a40b075743d 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -3,7 +3,7 @@
*
*
* Copyright (C) 2004-2005 Borislav Deianov <borislav@users.sf.net>
- * Copyright (C) 2006-2008 Henrique de Moraes Holschuh <hmh@hmh.eng.br>
+ * Copyright (C) 2006-2009 Henrique de Moraes Holschuh <hmh@hmh.eng.br>
*
* 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
@@ -22,7 +22,7 @@
*/
#define TPACPI_VERSION "0.22"
-#define TPACPI_SYSFS_VERSION 0x020200
+#define TPACPI_SYSFS_VERSION 0x020300
/*
* Changelog:
@@ -54,6 +54,7 @@
#include <linux/string.h>
#include <linux/list.h>
#include <linux/mutex.h>
+#include <linux/sched.h>
#include <linux/kthread.h>
#include <linux/freezer.h>
#include <linux/delay.h>
@@ -172,29 +173,26 @@ enum {
TPACPI_RFK_UWB_SW_ID,
};
-/* Debugging */
+/* printk headers */
#define TPACPI_LOG TPACPI_FILE ": "
-#define TPACPI_ALERT KERN_ALERT TPACPI_LOG
-#define TPACPI_CRIT KERN_CRIT TPACPI_LOG
-#define TPACPI_ERR KERN_ERR TPACPI_LOG
-#define TPACPI_NOTICE KERN_NOTICE TPACPI_LOG
-#define TPACPI_INFO KERN_INFO TPACPI_LOG
-#define TPACPI_DEBUG KERN_DEBUG TPACPI_LOG
-
+#define TPACPI_EMERG KERN_EMERG TPACPI_LOG
+#define TPACPI_ALERT KERN_ALERT TPACPI_LOG
+#define TPACPI_CRIT KERN_CRIT TPACPI_LOG
+#define TPACPI_ERR KERN_ERR TPACPI_LOG
+#define TPACPI_WARN KERN_WARNING TPACPI_LOG
+#define TPACPI_NOTICE KERN_NOTICE TPACPI_LOG
+#define TPACPI_INFO KERN_INFO TPACPI_LOG
+#define TPACPI_DEBUG KERN_DEBUG TPACPI_LOG
+
+/* Debugging printk groups */
#define TPACPI_DBG_ALL 0xffff
+#define TPACPI_DBG_DISCLOSETASK 0x8000
#define TPACPI_DBG_INIT 0x0001
#define TPACPI_DBG_EXIT 0x0002
-#define dbg_printk(a_dbg_level, format, arg...) \
- do { if (dbg_level & a_dbg_level) \
- printk(TPACPI_DEBUG "%s: " format, __func__ , ## arg); \
- } while (0)
-#ifdef CONFIG_THINKPAD_ACPI_DEBUG
-#define vdbg_printk(a_dbg_level, format, arg...) \
- dbg_printk(a_dbg_level, format, ## arg)
-static const char *str_supported(int is_supported);
-#else
-#define vdbg_printk(a_dbg_level, format, arg...)
-#endif
+#define TPACPI_DBG_RFKILL 0x0004
+#define TPACPI_DBG_HKEY 0x0008
+#define TPACPI_DBG_FAN 0x0010
+#define TPACPI_DBG_BRGHT 0x0020
#define onoff(status, bit) ((status) & (1 << (bit)) ? "on" : "off")
#define enabled(status, bit) ((status) & (1 << (bit)) ? "enabled" : "disabled")
@@ -277,7 +275,6 @@ static struct {
static struct {
u16 hotkey_mask_ff:1;
- u16 bright_cmos_ec_unsync:1;
} tp_warned;
struct thinkpad_id_data {
@@ -326,6 +323,39 @@ static int tpacpi_uwb_emulstate;
#endif
+/*************************************************************************
+ * Debugging helpers
+ */
+
+#define dbg_printk(a_dbg_level, format, arg...) \
+ do { if (dbg_level & (a_dbg_level)) \
+ printk(TPACPI_DEBUG "%s: " format, __func__ , ## arg); \
+ } while (0)
+
+#ifdef CONFIG_THINKPAD_ACPI_DEBUG
+#define vdbg_printk dbg_printk
+static const char *str_supported(int is_supported);
+#else
+#define vdbg_printk(a_dbg_level, format, arg...) \
+ do { } while (0)
+#endif
+
+static void tpacpi_log_usertask(const char * const what)
+{
+ printk(TPACPI_DEBUG "%s: access by process with PID %d\n",
+ what, task_tgid_vnr(current));
+}
+
+#define tpacpi_disclose_usertask(what, format, arg...) \
+ do { \
+ if (unlikely( \
+ (dbg_level & TPACPI_DBG_DISCLOSETASK) && \
+ (tpacpi_lifecycle == TPACPI_LIFE_RUNNING))) { \
+ printk(TPACPI_DEBUG "%s: PID %d: " format, \
+ what, task_tgid_vnr(current), ## arg); \
+ } \
+ } while (0)
+
/****************************************************************************
****************************************************************************
*
@@ -989,10 +1019,13 @@ static int __init tpacpi_new_rfkill(const unsigned int id,
/* try to set the initial state as the default for the rfkill
* type, since we ask the firmware to preserve it across S5 in
* NVRAM */
- rfkill_set_default(rfktype,
+ if (rfkill_set_default(rfktype,
(initial_state == RFKILL_STATE_UNBLOCKED) ?
RFKILL_STATE_UNBLOCKED :
- RFKILL_STATE_SOFT_BLOCKED);
+ RFKILL_STATE_SOFT_BLOCKED) == -EPERM)
+ vdbg_printk(TPACPI_DBG_RFKILL,
+ "Default state for %s cannot be changed\n",
+ name);
}
*rfk = rfkill_allocate(&tpacpi_pdev->dev, rfktype);
@@ -1020,6 +1053,21 @@ static int __init tpacpi_new_rfkill(const unsigned int id,
return 0;
}
+static void printk_deprecated_attribute(const char * const what,
+ const char * const details)
+{
+ tpacpi_log_usertask("deprecated sysfs attribute");
+ printk(TPACPI_WARN "WARNING: sysfs attribute %s is deprecated and "
+ "will be removed. %s\n",
+ what, details);
+}
+
+static void printk_deprecated_rfkill_attribute(const char * const what)
+{
+ printk_deprecated_attribute(what,
+ "Please switch to generic rfkill before year 2010");
+}
+
/*************************************************************************
* thinkpad-acpi driver attributes
*/
@@ -1382,7 +1430,6 @@ static enum { /* Reasons for waking up */
static int hotkey_autosleep_ack;
-static int hotkey_orig_status;
static u32 hotkey_orig_mask;
static u32 hotkey_all_mask;
static u32 hotkey_reserved_mask;
@@ -1529,9 +1576,9 @@ static int hotkey_status_get(int *status)
return 0;
}
-static int hotkey_status_set(int status)
+static int hotkey_status_set(bool enable)
{
- if (!acpi_evalf(hkey_handle, NULL, "MHKC", "vd", status))
+ if (!acpi_evalf(hkey_handle, NULL, "MHKC", "vd", enable ? 1 : 0))
return -EIO;
return 0;
@@ -1847,6 +1894,9 @@ static ssize_t hotkey_enable_show(struct device *dev,
{
int res, status;
+ printk_deprecated_attribute("hotkey_enable",
+ "Hotkey reporting is always enabled");
+
res = hotkey_status_get(&status);
if (res)
return res;
@@ -1859,14 +1909,17 @@ static ssize_t hotkey_enable_store(struct device *dev,
const char *buf, size_t count)
{
unsigned long t;
- int res;
+
+ printk_deprecated_attribute("hotkey_enable",
+ "Hotkeys can be disabled through hotkey_mask");
if (parse_strtoul(buf, 1, &t))
return -EINVAL;
- res = hotkey_status_set(t);
+ if (t == 0)
+ return -EPERM;
- return (res) ? res : count;
+ return count;
}
static struct device_attribute dev_attr_hotkey_enable =
@@ -1910,6 +1963,8 @@ static ssize_t hotkey_mask_store(struct device *dev,
mutex_unlock(&hotkey_mutex);
+ tpacpi_disclose_usertask("hotkey_mask", "set to 0x%08lx\n", t);
+
return (res) ? res : count;
}
@@ -1922,7 +1977,7 @@ static ssize_t hotkey_bios_enabled_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
- return snprintf(buf, PAGE_SIZE, "%d\n", hotkey_orig_status);
+ return sprintf(buf, "0\n");
}
static struct device_attribute dev_attr_hotkey_bios_enabled =
@@ -1996,6 +2051,8 @@ static ssize_t hotkey_source_mask_store(struct device *dev,
mutex_unlock(&hotkey_mutex);
+ tpacpi_disclose_usertask("hotkey_source_mask", "set to 0x%08lx\n", t);
+
return count;
}
@@ -2028,6 +2085,8 @@ static ssize_t hotkey_poll_freq_store(struct device *dev,
hotkey_poll_setup(1);
mutex_unlock(&hotkey_mutex);
+ tpacpi_disclose_usertask("hotkey_poll_freq", "set to %lu\n", t);
+
return count;
}
@@ -2197,11 +2256,11 @@ static void hotkey_exit(void)
kfree(hotkey_keycode_map);
if (tp_features.hotkey) {
- dbg_printk(TPACPI_DBG_EXIT,
+ dbg_printk(TPACPI_DBG_EXIT | TPACPI_DBG_HKEY,
"restoring original hot key mask\n");
/* no short-circuit boolean operator below! */
if ((hotkey_mask_set(hotkey_orig_mask) |
- hotkey_status_set(hotkey_orig_status)) != 0)
+ hotkey_status_set(false)) != 0)
printk(TPACPI_ERR
"failed to restore hot key mask "
"to BIOS defaults\n");
@@ -2327,7 +2386,8 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
int status;
int hkeyv;
- vdbg_printk(TPACPI_DBG_INIT, "initializing hotkey subdriver\n");
+ vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_HKEY,
+ "initializing hotkey subdriver\n");
BUG_ON(!tpacpi_inputdev);
BUG_ON(tpacpi_inputdev->open != NULL ||
@@ -2344,7 +2404,8 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
/* hotkey not supported on 570 */
tp_features.hotkey = hkey_handle != NULL;
- vdbg_printk(TPACPI_DBG_INIT, "hotkeys are %s\n",
+ vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_HKEY,
+ "hotkeys are %s\n",
str_supported(tp_features.hotkey));
if (!tp_features.hotkey)
@@ -2376,10 +2437,14 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
* T4x, X31, and later
*/
tp_features.hotkey_mask = 1;
+ vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_HKEY,
+ "firmware HKEY interface version: 0x%x\n",
+ hkeyv);
}
}
- vdbg_printk(TPACPI_DBG_INIT, "hotkey masks are %s\n",
+ vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_HKEY,
+ "hotkey masks are %s\n",
str_supported(tp_features.hotkey_mask));
if (tp_features.hotkey_mask) {
@@ -2396,10 +2461,6 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
/* hotkey_source_mask *must* be zero for
* the first hotkey_mask_get */
- res = hotkey_status_get(&hotkey_orig_status);
- if (res)
- goto err_exit;
-
if (tp_features.hotkey_mask) {
res = hotkey_mask_get();
if (res)
@@ -2422,7 +2483,7 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
hotkey_source_mask = TPACPI_HKEY_NVRAM_GOOD_MASK;
}
- vdbg_printk(TPACPI_DBG_INIT,
+ vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_HKEY,
"hotkey source mask 0x%08x, polling freq %d\n",
hotkey_source_mask, hotkey_poll_freq);
#endif
@@ -2476,12 +2537,12 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
}
if (thinkpad_id.vendor == PCI_VENDOR_ID_LENOVO) {
- dbg_printk(TPACPI_DBG_INIT,
+ dbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_HKEY,
"using Lenovo default hot key map\n");
memcpy(hotkey_keycode_map, &lenovo_keycode_map,
TPACPI_HOTKEY_MAP_SIZE);
} else {
- dbg_printk(TPACPI_DBG_INIT,
+ dbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_HKEY,
"using IBM default hot key map\n");
memcpy(hotkey_keycode_map, &ibm_keycode_map,
TPACPI_HOTKEY_MAP_SIZE);
@@ -2538,8 +2599,9 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
| (1 << TP_ACPI_HOTKEYSCAN_FNEND);
}
- dbg_printk(TPACPI_DBG_INIT, "enabling hot key handling\n");
- res = hotkey_status_set(1);
+ dbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_HKEY,
+ "enabling firmware HKEY event interface...\n");
+ res = hotkey_status_set(true);
if (res) {
hotkey_exit();
return res;
@@ -2552,8 +2614,8 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
return res;
}
- dbg_printk(TPACPI_DBG_INIT,
- "legacy hot key reporting over procfs %s\n",
+ dbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_HKEY,
+ "legacy ibm/hotkey event reporting over procfs %s\n",
(hotkey_report_mode < 2) ?
"enabled" : "disabled");
@@ -2884,9 +2946,17 @@ static int hotkey_read(char *p)
return len;
}
+static void hotkey_enabledisable_warn(void)
+{
+ tpacpi_log_usertask("procfs hotkey enable/disable");
+ WARN(1, TPACPI_WARN
+ "hotkey enable/disable functionality has been "
+ "removed from the driver. Hotkeys are always enabled.\n");
+}
+
static int hotkey_write(char *buf)
{
- int res, status;
+ int res;
u32 mask;
char *cmd;
@@ -2896,17 +2966,16 @@ static int hotkey_write(char *buf)
if (mutex_lock_killable(&hotkey_mutex))
return -ERESTARTSYS;
- status = -1;
mask = hotkey_mask;
res = 0;
while ((cmd = next_cmd(&buf))) {
if (strlencmp(cmd, "enable") == 0) {
- status = 1;
+ hotkey_enabledisable_warn();
} else if (strlencmp(cmd, "disable") == 0) {
- status = 0;
+ hotkey_enabledisable_warn();
+ res = -EPERM;
} else if (strlencmp(cmd, "reset") == 0) {
- status = hotkey_orig_status;
mask = hotkey_orig_mask;
} else if (sscanf(cmd, "0x%x", &mask) == 1) {
/* mask set */
@@ -2917,8 +2986,10 @@ static int hotkey_write(char *buf)
goto errexit;
}
}
- if (status != -1)
- res = hotkey_status_set(status);
+
+ if (!res)
+ tpacpi_disclose_usertask("procfs hotkey",
+ "set mask to 0x%08x\n", mask);
if (!res && mask != hotkey_mask)
res = hotkey_mask_set(mask);
@@ -2971,13 +3042,17 @@ enum {
TP_ACPI_BLTH_SAVE_STATE = 0x05, /* Save state for S4/S5 */
};
+#define TPACPI_RFK_BLUETOOTH_SW_NAME "tpacpi_bluetooth_sw"
+
static struct rfkill *tpacpi_bluetooth_rfkill;
static void bluetooth_suspend(pm_message_t state)
{
/* Try to make sure radio will resume powered off */
- acpi_evalf(NULL, NULL, "\\BLTH", "vd",
- TP_ACPI_BLTH_PWR_OFF_ON_RESUME);
+ if (!acpi_evalf(NULL, NULL, "\\BLTH", "vd",
+ TP_ACPI_BLTH_PWR_OFF_ON_RESUME))
+ vdbg_printk(TPACPI_DBG_RFKILL,
+ "bluetooth power down on resume request failed\n");
}
static int bluetooth_get_radiosw(void)
@@ -3015,6 +3090,10 @@ static void bluetooth_update_rfk(void)
if (status < 0)
return;
rfkill_force_state(tpacpi_bluetooth_rfkill, status);
+
+ vdbg_printk(TPACPI_DBG_RFKILL,
+ "forced rfkill state to %d\n",
+ status);
}
static int bluetooth_set_radiosw(int radio_on, int update_rfk)
@@ -3030,6 +3109,9 @@ static int bluetooth_set_radiosw(int radio_on, int update_rfk)
&& radio_on)
return -EPERM;
+ vdbg_printk(TPACPI_DBG_RFKILL,
+ "will %s bluetooth\n", radio_on ? "enable" : "disable");
+
#ifdef CONFIG_THINKPAD_ACPI_DEBUGFACILITIES
if (dbg_bluetoothemul) {
tpacpi_bluetooth_emulstate = !!radio_on;
@@ -3060,6 +3142,8 @@ static ssize_t bluetooth_enable_show(struct device *dev,
{
int status;
+ printk_deprecated_rfkill_attribute("bluetooth_enable");
+
status = bluetooth_get_radiosw();
if (status < 0)
return status;
@@ -3075,9 +3159,13 @@ static ssize_t bluetooth_enable_store(struct device *dev,
unsigned long t;
int res;
+ printk_deprecated_rfkill_attribute("bluetooth_enable");
+
if (parse_strtoul(buf, 1, &t))
return -EINVAL;
+ tpacpi_disclose_usertask("bluetooth_enable", "set to %ld\n", t);
+
res = bluetooth_set_radiosw(t, 1);
return (res) ? res : count;
@@ -3111,6 +3199,8 @@ static int tpacpi_bluetooth_rfk_get(void *data, enum rfkill_state *state)
static int tpacpi_bluetooth_rfk_set(void *data, enum rfkill_state state)
{
+ dbg_printk(TPACPI_DBG_RFKILL,
+ "request to change radio state to %d\n", state);
return bluetooth_set_radiosw((state == RFKILL_STATE_UNBLOCKED), 0);
}
@@ -3121,6 +3211,9 @@ static void bluetooth_shutdown(void)
TP_ACPI_BLTH_SAVE_STATE))
printk(TPACPI_NOTICE
"failed to save bluetooth state to NVRAM\n");
+ else
+ vdbg_printk(TPACPI_DBG_RFKILL,
+ "bluestooth state saved to NVRAM\n");
}
static void bluetooth_exit(void)
@@ -3139,7 +3232,8 @@ static int __init bluetooth_init(struct ibm_init_struct *iibm)
int res;
int status = 0;
- vdbg_printk(TPACPI_DBG_INIT, "initializing bluetooth subdriver\n");
+ vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_RFKILL,
+ "initializing bluetooth subdriver\n");
TPACPI_ACPIHANDLE_INIT(hkey);
@@ -3148,7 +3242,8 @@ static int __init bluetooth_init(struct ibm_init_struct *iibm)
tp_features.bluetooth = hkey_handle &&
acpi_evalf(hkey_handle, &status, "GBDC", "qd");
- vdbg_printk(TPACPI_DBG_INIT, "bluetooth is %s, status 0x%02x\n",
+ vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_RFKILL,
+ "bluetooth is %s, status 0x%02x\n",
str_supported(tp_features.bluetooth),
status);
@@ -3163,7 +3258,7 @@ static int __init bluetooth_init(struct ibm_init_struct *iibm)
!(status & TP_ACPI_BLUETOOTH_HWPRESENT)) {
/* no bluetooth hardware present in system */
tp_features.bluetooth = 0;
- dbg_printk(TPACPI_DBG_INIT,
+ dbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_RFKILL,
"bluetooth hardware not installed\n");
}
@@ -3178,7 +3273,7 @@ static int __init bluetooth_init(struct ibm_init_struct *iibm)
res = tpacpi_new_rfkill(TPACPI_RFK_BLUETOOTH_SW_ID,
&tpacpi_bluetooth_rfkill,
RFKILL_TYPE_BLUETOOTH,
- "tpacpi_bluetooth_sw",
+ TPACPI_RFK_BLUETOOTH_SW_NAME,
true,
tpacpi_bluetooth_rfk_set,
tpacpi_bluetooth_rfk_get);
@@ -3211,19 +3306,27 @@ static int bluetooth_read(char *p)
static int bluetooth_write(char *buf)
{
char *cmd;
+ int state = -1;
if (!tp_features.bluetooth)
return -ENODEV;
while ((cmd = next_cmd(&buf))) {
if (strlencmp(cmd, "enable") == 0) {
- bluetooth_set_radiosw(1, 1);
+ state = 1;
} else if (strlencmp(cmd, "disable") == 0) {
- bluetooth_set_radiosw(0, 1);
+ state = 0;
} else
return -EINVAL;
}
+ if (state != -1) {
+ tpacpi_disclose_usertask("procfs bluetooth",
+ "attempt to %s\n",
+ state ? "enable" : "disable");
+ bluetooth_set_radiosw(state, 1);
+ }
+
return 0;
}
@@ -3248,13 +3351,17 @@ enum {
off / last state */
};
+#define TPACPI_RFK_WWAN_SW_NAME "tpacpi_wwan_sw"
+
static struct rfkill *tpacpi_wan_rfkill;
static void wan_suspend(pm_message_t state)
{
/* Try to make sure radio will resume powered off */
- acpi_evalf(NULL, NULL, "\\WGSV", "qvd",
- TP_ACPI_WGSV_PWR_OFF_ON_RESUME);
+ if (!acpi_evalf(NULL, NULL, "\\WGSV", "qvd",
+ TP_ACPI_WGSV_PWR_OFF_ON_RESUME))
+ vdbg_printk(TPACPI_DBG_RFKILL,
+ "WWAN power down on resume request failed\n");
}
static int wan_get_radiosw(void)
@@ -3292,6 +3399,10 @@ static void wan_update_rfk(void)
if (status < 0)
return;
rfkill_force_state(tpacpi_wan_rfkill, status);
+
+ vdbg_printk(TPACPI_DBG_RFKILL,
+ "forced rfkill state to %d\n",
+ status);
}
static int wan_set_radiosw(int radio_on, int update_rfk)
@@ -3307,6 +3418,9 @@ static int wan_set_radiosw(int radio_on, int update_rfk)
&& radio_on)
return -EPERM;
+ vdbg_printk(TPACPI_DBG_RFKILL,
+ "will %s WWAN\n", radio_on ? "enable" : "disable");
+
#ifdef CONFIG_THINKPAD_ACPI_DEBUGFACILITIES
if (dbg_wwanemul) {
tpacpi_wwan_emulstate = !!radio_on;
@@ -3337,6 +3451,8 @@ static ssize_t wan_enable_show(struct device *dev,
{
int status;
+ printk_deprecated_rfkill_attribute("wwan_enable");
+
status = wan_get_radiosw();
if (status < 0)
return status;
@@ -3352,9 +3468,13 @@ static ssize_t wan_enable_store(struct device *dev,
unsigned long t;
int res;
+ printk_deprecated_rfkill_attribute("wwan_enable");
+
if (parse_strtoul(buf, 1, &t))
return -EINVAL;
+ tpacpi_disclose_usertask("wwan_enable", "set to %ld\n", t);
+
res = wan_set_radiosw(t, 1);
return (res) ? res : count;
@@ -3388,6 +3508,8 @@ static int tpacpi_wan_rfk_get(void *data, enum rfkill_state *state)
static int tpacpi_wan_rfk_set(void *data, enum rfkill_state state)
{
+ dbg_printk(TPACPI_DBG_RFKILL,
+ "request to change radio state to %d\n", state);
return wan_set_radiosw((state == RFKILL_STATE_UNBLOCKED), 0);
}
@@ -3398,6 +3520,9 @@ static void wan_shutdown(void)
TP_ACPI_WGSV_SAVE_STATE))
printk(TPACPI_NOTICE
"failed to save WWAN state to NVRAM\n");
+ else
+ vdbg_printk(TPACPI_DBG_RFKILL,
+ "WWAN state saved to NVRAM\n");
}
static void wan_exit(void)
@@ -3416,14 +3541,16 @@ static int __init wan_init(struct ibm_init_struct *iibm)
int res;
int status = 0;
- vdbg_printk(TPACPI_DBG_INIT, "initializing wan subdriver\n");
+ vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_RFKILL,
+ "initializing wan subdriver\n");
TPACPI_ACPIHANDLE_INIT(hkey);
tp_features.wan = hkey_handle &&
acpi_evalf(hkey_handle, &status, "GWAN", "qd");
- vdbg_printk(TPACPI_DBG_INIT, "wan is %s, status 0x%02x\n",
+ vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_RFKILL,
+ "wan is %s, status 0x%02x\n",
str_supported(tp_features.wan),
status);
@@ -3438,7 +3565,7 @@ static int __init wan_init(struct ibm_init_struct *iibm)
!(status & TP_ACPI_WANCARD_HWPRESENT)) {
/* no wan hardware present in system */
tp_features.wan = 0;
- dbg_printk(TPACPI_DBG_INIT,
+ dbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_RFKILL,
"wan hardware not installed\n");
}
@@ -3453,7 +3580,7 @@ static int __init wan_init(struct ibm_init_struct *iibm)
res = tpacpi_new_rfkill(TPACPI_RFK_WWAN_SW_ID,
&tpacpi_wan_rfkill,
RFKILL_TYPE_WWAN,
- "tpacpi_wwan_sw",
+ TPACPI_RFK_WWAN_SW_NAME,
true,
tpacpi_wan_rfk_set,
tpacpi_wan_rfk_get);
@@ -3471,6 +3598,8 @@ static int wan_read(char *p)
int len = 0;
int status = wan_get_radiosw();
+ tpacpi_disclose_usertask("procfs wan", "read");
+
if (!tp_features.wan)
len += sprintf(p + len, "status:\t\tnot supported\n");
else {
@@ -3486,19 +3615,27 @@ static int wan_read(char *p)
static int wan_write(char *buf)
{
char *cmd;
+ int state = -1;
if (!tp_features.wan)
return -ENODEV;
while ((cmd = next_cmd(&buf))) {
if (strlencmp(cmd, "enable") == 0) {
- wan_set_radiosw(1, 1);
+ state = 1;
} else if (strlencmp(cmd, "disable") == 0) {
- wan_set_radiosw(0, 1);
+ state = 0;
} else
return -EINVAL;
}
+ if (state != -1) {
+ tpacpi_disclose_usertask("procfs wan",
+ "attempt to %s\n",
+ state ? "enable" : "disable");
+ wan_set_radiosw(state, 1);
+ }
+
return 0;
}
@@ -3521,6 +3658,8 @@ enum {
TP_ACPI_UWB_RADIOSSW = 0x02, /* UWB radio enabled */
};
+#define TPACPI_RFK_UWB_SW_NAME "tpacpi_uwb_sw"
+
static struct rfkill *tpacpi_uwb_rfkill;
static int uwb_get_radiosw(void)
@@ -3558,6 +3697,10 @@ static void uwb_update_rfk(void)
if (status < 0)
return;
rfkill_force_state(tpacpi_uwb_rfkill, status);
+
+ vdbg_printk(TPACPI_DBG_RFKILL,
+ "forced rfkill state to %d\n",
+ status);
}
static int uwb_set_radiosw(int radio_on, int update_rfk)
@@ -3573,6 +3716,9 @@ static int uwb_set_radiosw(int radio_on, int update_rfk)
&& radio_on)
return -EPERM;
+ vdbg_printk(TPACPI_DBG_RFKILL,
+ "will %s UWB\n", radio_on ? "enable" : "disable");
+
#ifdef CONFIG_THINKPAD_ACPI_DEBUGFACILITIES
if (dbg_uwbemul) {
tpacpi_uwb_emulstate = !!radio_on;
@@ -3607,6 +3753,8 @@ static int tpacpi_uwb_rfk_get(void *data, enum rfkill_state *state)
static int tpacpi_uwb_rfk_set(void *data, enum rfkill_state state)
{
+ dbg_printk(TPACPI_DBG_RFKILL,
+ "request to change radio state to %d\n", state);
return uwb_set_radiosw((state == RFKILL_STATE_UNBLOCKED), 0);
}
@@ -3621,14 +3769,16 @@ static int __init uwb_init(struct ibm_init_struct *iibm)
int res;
int status = 0;
- vdbg_printk(TPACPI_DBG_INIT, "initializing uwb subdriver\n");
+ vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_RFKILL,
+ "initializing uwb subdriver\n");
TPACPI_ACPIHANDLE_INIT(hkey);
tp_features.uwb = hkey_handle &&
acpi_evalf(hkey_handle, &status, "GUWB", "qd");
- vdbg_printk(TPACPI_DBG_INIT, "uwb is %s, status 0x%02x\n",
+ vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_RFKILL,
+ "uwb is %s, status 0x%02x\n",
str_supported(tp_features.uwb),
status);
@@ -3653,7 +3803,7 @@ static int __init uwb_init(struct ibm_init_struct *iibm)
res = tpacpi_new_rfkill(TPACPI_RFK_UWB_SW_ID,
&tpacpi_uwb_rfkill,
RFKILL_TYPE_UWB,
- "tpacpi_uwb_sw",
+ TPACPI_RFK_UWB_SW_NAME,
false,
tpacpi_uwb_rfk_set,
tpacpi_uwb_rfk_get);
@@ -4602,6 +4752,16 @@ static const char * const tpacpi_led_names[TPACPI_LED_NUMLEDS] = {
"tpacpi::unknown_led",
"tpacpi::standby",
};
+#define TPACPI_SAFE_LEDS 0x0081U
+
+static inline bool tpacpi_is_led_restricted(const unsigned int led)
+{
+#ifdef CONFIG_THINKPAD_ACPI_UNSAFE_LEDS
+ return false;
+#else
+ return (TPACPI_SAFE_LEDS & (1 << led)) == 0;
+#endif
+}
static int led_get_status(const unsigned int led)
{
@@ -4639,16 +4799,20 @@ static int led_set_status(const unsigned int led,
switch (led_supported) {
case TPACPI_LED_570:
/* 570 */
- if (led > 7)
+ if (unlikely(led > 7))
return -EINVAL;
+ if (unlikely(tpacpi_is_led_restricted(led)))
+ return -EPERM;
if (!acpi_evalf(led_handle, NULL, NULL, "vdd",
(1 << led), led_sled_arg1[ledstatus]))
rc = -EIO;
break;
case TPACPI_LED_OLD:
/* 600e/x, 770e, 770x, A21e, A2xm/p, T20-22, X20 */
- if (led > 7)
+ if (unlikely(led > 7))
return -EINVAL;
+ if (unlikely(tpacpi_is_led_restricted(led)))
+ return -EPERM;
rc = ec_write(TPACPI_LED_EC_HLMS, (1 << led));
if (rc >= 0)
rc = ec_write(TPACPI_LED_EC_HLBL,
@@ -4659,6 +4823,10 @@ static int led_set_status(const unsigned int led,
break;
case TPACPI_LED_NEW:
/* all others */
+ if (unlikely(led >= TPACPI_LED_NUMLEDS))
+ return -EINVAL;
+ if (unlikely(tpacpi_is_led_restricted(led)))
+ return -EPERM;
if (!acpi_evalf(led_handle, NULL, NULL, "vdd",
led, led_led_arg1[ledstatus]))
rc = -EIO;
@@ -4751,6 +4919,30 @@ static void led_exit(void)
kfree(tpacpi_leds);
}
+static int __init tpacpi_init_led(unsigned int led)
+{
+ int rc;
+
+ tpacpi_leds[led].led = led;
+
+ tpacpi_leds[led].led_classdev.brightness_set = &led_sysfs_set;
+ tpacpi_leds[led].led_classdev.blink_set = &led_sysfs_blink_set;
+ if (led_supported == TPACPI_LED_570)
+ tpacpi_leds[led].led_classdev.brightness_get =
+ &led_sysfs_get;
+
+ tpacpi_leds[led].led_classdev.name = tpacpi_led_names[led];
+
+ INIT_WORK(&tpacpi_leds[led].work, led_set_status_worker);
+
+ rc = led_classdev_register(&tpacpi_pdev->dev,
+ &tpacpi_leds[led].led_classdev);
+ if (rc < 0)
+ tpacpi_leds[led].led_classdev.name = NULL;
+
+ return rc;
+}
+
static int __init led_init(struct ibm_init_struct *iibm)
{
unsigned int i;
@@ -4784,27 +4976,21 @@ static int __init led_init(struct ibm_init_struct *iibm)
}
for (i = 0; i < TPACPI_LED_NUMLEDS; i++) {
- tpacpi_leds[i].led = i;
-
- tpacpi_leds[i].led_classdev.brightness_set = &led_sysfs_set;
- tpacpi_leds[i].led_classdev.blink_set = &led_sysfs_blink_set;
- if (led_supported == TPACPI_LED_570)
- tpacpi_leds[i].led_classdev.brightness_get =
- &led_sysfs_get;
-
- tpacpi_leds[i].led_classdev.name = tpacpi_led_names[i];
-
- INIT_WORK(&tpacpi_leds[i].work, led_set_status_worker);
-
- rc = led_classdev_register(&tpacpi_pdev->dev,
- &tpacpi_leds[i].led_classdev);
- if (rc < 0) {
- tpacpi_leds[i].led_classdev.name = NULL;
- led_exit();
- return rc;
+ if (!tpacpi_is_led_restricted(i)) {
+ rc = tpacpi_init_led(i);
+ if (rc < 0) {
+ led_exit();
+ return rc;
+ }
}
}
+#ifdef CONFIG_THINKPAD_ACPI_UNSAFE_LEDS
+ if (led_supported != TPACPI_LED_NONE)
+ printk(TPACPI_NOTICE
+ "warning: userspace override of important "
+ "firmware LEDs is enabled\n");
+#endif
return (led_supported != TPACPI_LED_NONE)? 0 : 1;
}
@@ -5340,6 +5526,20 @@ static struct ibm_struct ecdump_driver_data = {
#define TPACPI_BACKLIGHT_DEV_NAME "thinkpad_screen"
+/*
+ * ThinkPads can read brightness from two places: EC HBRV (0x31), or
+ * CMOS NVRAM byte 0x5E, bits 0-3.
+ *
+ * EC HBRV (0x31) has the following layout
+ * Bit 7: unknown function
+ * Bit 6: unknown function
+ * Bit 5: Z: honour scale changes, NZ: ignore scale changes
+ * Bit 4: must be set to zero to avoid problems
+ * Bit 3-0: backlight brightness level
+ *
+ * brightness_get_raw returns status data in the HBRV layout
+ */
+
enum {
TP_EC_BACKLIGHT = 0x31,
@@ -5349,108 +5549,164 @@ enum {
TP_EC_BACKLIGHT_MAPSW = 0x20,
};
+enum tpacpi_brightness_access_mode {
+ TPACPI_BRGHT_MODE_AUTO = 0, /* Not implemented yet */
+ TPACPI_BRGHT_MODE_EC, /* EC control */
+ TPACPI_BRGHT_MODE_UCMS_STEP, /* UCMS step-based control */
+ TPACPI_BRGHT_MODE_ECNVRAM, /* EC control w/ NVRAM store */
+ TPACPI_BRGHT_MODE_MAX
+};
+
static struct backlight_device *ibm_backlight_device;
-static int brightness_mode;
+
+static enum tpacpi_brightness_access_mode brightness_mode =
+ TPACPI_BRGHT_MODE_MAX;
+
static unsigned int brightness_enable = 2; /* 2 = auto, 0 = no, 1 = yes */
static struct mutex brightness_mutex;
-/*
- * ThinkPads can read brightness from two places: EC 0x31, or
- * CMOS NVRAM byte 0x5E, bits 0-3.
- *
- * EC 0x31 has the following layout
- * Bit 7: unknown function
- * Bit 6: unknown function
- * Bit 5: Z: honour scale changes, NZ: ignore scale changes
- * Bit 4: must be set to zero to avoid problems
- * Bit 3-0: backlight brightness level
- *
- * brightness_get_raw returns status data in the EC 0x31 layout
- */
-static int brightness_get_raw(int *status)
+/* NVRAM brightness access,
+ * call with brightness_mutex held! */
+static unsigned int tpacpi_brightness_nvram_get(void)
{
- u8 lec = 0, lcmos = 0, level = 0;
+ u8 lnvram;
- if (brightness_mode & 1) {
- if (!acpi_ec_read(TP_EC_BACKLIGHT, &lec))
- return -EIO;
- level = lec & TP_EC_BACKLIGHT_LVLMSK;
- };
- if (brightness_mode & 2) {
- lcmos = (nvram_read_byte(TP_NVRAM_ADDR_BRIGHTNESS)
- & TP_NVRAM_MASK_LEVEL_BRIGHTNESS)
- >> TP_NVRAM_POS_LEVEL_BRIGHTNESS;
- lcmos &= (tp_features.bright_16levels)? 0x0f : 0x07;
- level = lcmos;
- }
-
- if (brightness_mode == 3) {
- *status = lec; /* Prefer EC, CMOS is just a backing store */
- lec &= TP_EC_BACKLIGHT_LVLMSK;
- if (lec == lcmos)
- tp_warned.bright_cmos_ec_unsync = 0;
- else {
- if (!tp_warned.bright_cmos_ec_unsync) {
- printk(TPACPI_ERR
- "CMOS NVRAM (%u) and EC (%u) do not "
- "agree on display brightness level\n",
- (unsigned int) lcmos,
- (unsigned int) lec);
- tp_warned.bright_cmos_ec_unsync = 1;
- }
+ lnvram = (nvram_read_byte(TP_NVRAM_ADDR_BRIGHTNESS)
+ & TP_NVRAM_MASK_LEVEL_BRIGHTNESS)
+ >> TP_NVRAM_POS_LEVEL_BRIGHTNESS;
+ lnvram &= (tp_features.bright_16levels) ? 0x0f : 0x07;
+
+ return lnvram;
+}
+
+static void tpacpi_brightness_checkpoint_nvram(void)
+{
+ u8 lec = 0;
+ u8 b_nvram;
+
+ if (brightness_mode != TPACPI_BRGHT_MODE_ECNVRAM)
+ return;
+
+ vdbg_printk(TPACPI_DBG_BRGHT,
+ "trying to checkpoint backlight level to NVRAM...\n");
+
+ if (mutex_lock_killable(&brightness_mutex) < 0)
+ return;
+
+ if (unlikely(!acpi_ec_read(TP_EC_BACKLIGHT, &lec)))
+ goto unlock;
+ lec &= TP_EC_BACKLIGHT_LVLMSK;
+ b_nvram = nvram_read_byte(TP_NVRAM_ADDR_BRIGHTNESS);
+
+ if (lec != ((b_nvram & TP_NVRAM_MASK_LEVEL_BRIGHTNESS)
+ >> TP_NVRAM_POS_LEVEL_BRIGHTNESS)) {
+ /* NVRAM needs update */
+ b_nvram &= ~(TP_NVRAM_MASK_LEVEL_BRIGHTNESS <<
+ TP_NVRAM_POS_LEVEL_BRIGHTNESS);
+ b_nvram |= lec;
+ nvram_write_byte(b_nvram, TP_NVRAM_ADDR_BRIGHTNESS);
+ dbg_printk(TPACPI_DBG_BRGHT,
+ "updated NVRAM backlight level to %u (0x%02x)\n",
+ (unsigned int) lec, (unsigned int) b_nvram);
+ } else
+ vdbg_printk(TPACPI_DBG_BRGHT,
+ "NVRAM backlight level already is %u (0x%02x)\n",
+ (unsigned int) lec, (unsigned int) b_nvram);
+
+unlock:
+ mutex_unlock(&brightness_mutex);
+}
+
+
+/* call with brightness_mutex held! */
+static int tpacpi_brightness_get_raw(int *status)
+{
+ u8 lec = 0;
+
+ switch (brightness_mode) {
+ case TPACPI_BRGHT_MODE_UCMS_STEP:
+ *status = tpacpi_brightness_nvram_get();
+ return 0;
+ case TPACPI_BRGHT_MODE_EC:
+ case TPACPI_BRGHT_MODE_ECNVRAM:
+ if (unlikely(!acpi_ec_read(TP_EC_BACKLIGHT, &lec)))
return -EIO;
- }
- } else {
- *status = level;
+ *status = lec;
+ return 0;
+ default:
+ return -ENXIO;
}
+}
+
+/* call with brightness_mutex held! */
+/* do NOT call with illegal backlight level value */
+static int tpacpi_brightness_set_ec(unsigned int value)
+{
+ u8 lec = 0;
+
+ if (unlikely(!acpi_ec_read(TP_EC_BACKLIGHT, &lec)))
+ return -EIO;
+
+ if (unlikely(!acpi_ec_write(TP_EC_BACKLIGHT,
+ (lec & TP_EC_BACKLIGHT_CMDMSK) |
+ (value & TP_EC_BACKLIGHT_LVLMSK))))
+ return -EIO;
+
+ return 0;
+}
+
+/* call with brightness_mutex held! */
+static int tpacpi_brightness_set_ucmsstep(unsigned int value)
+{
+ int cmos_cmd, inc;
+ unsigned int current_value, i;
+
+ current_value = tpacpi_brightness_nvram_get();
+
+ if (value == current_value)
+ return 0;
+
+ cmos_cmd = (value > current_value) ?
+ TP_CMOS_BRIGHTNESS_UP :
+ TP_CMOS_BRIGHTNESS_DOWN;
+ inc = (value > current_value) ? 1 : -1;
+
+ for (i = current_value; i != value; i += inc)
+ if (issue_thinkpad_cmos_command(cmos_cmd))
+ return -EIO;
return 0;
}
/* May return EINTR which can always be mapped to ERESTARTSYS */
-static int brightness_set(int value)
+static int brightness_set(unsigned int value)
{
- int cmos_cmd, inc, i, res;
- int current_value;
- int command_bits;
+ int res;
if (value > ((tp_features.bright_16levels)? 15 : 7) ||
value < 0)
return -EINVAL;
+ vdbg_printk(TPACPI_DBG_BRGHT,
+ "set backlight level to %d\n", value);
+
res = mutex_lock_killable(&brightness_mutex);
if (res < 0)
return res;
- res = brightness_get_raw(&current_value);
- if (res < 0)
- goto errout;
-
- command_bits = current_value & TP_EC_BACKLIGHT_CMDMSK;
- current_value &= TP_EC_BACKLIGHT_LVLMSK;
-
- cmos_cmd = value > current_value ?
- TP_CMOS_BRIGHTNESS_UP :
- TP_CMOS_BRIGHTNESS_DOWN;
- inc = (value > current_value)? 1 : -1;
-
- res = 0;
- for (i = current_value; i != value; i += inc) {
- if ((brightness_mode & 2) &&
- issue_thinkpad_cmos_command(cmos_cmd)) {
- res = -EIO;
- goto errout;
- }
- if ((brightness_mode & 1) &&
- !acpi_ec_write(TP_EC_BACKLIGHT,
- (i + inc) | command_bits)) {
- res = -EIO;
- goto errout;;
- }
+ switch (brightness_mode) {
+ case TPACPI_BRGHT_MODE_EC:
+ case TPACPI_BRGHT_MODE_ECNVRAM:
+ res = tpacpi_brightness_set_ec(value);
+ break;
+ case TPACPI_BRGHT_MODE_UCMS_STEP:
+ res = tpacpi_brightness_set_ucmsstep(value);
+ break;
+ default:
+ res = -ENXIO;
}
-errout:
mutex_unlock(&brightness_mutex);
return res;
}
@@ -5459,21 +5715,34 @@ errout:
static int brightness_update_status(struct backlight_device *bd)
{
- /* it is the backlight class's job (caller) to handle
- * EINTR and other errors properly */
- return brightness_set(
+ unsigned int level =
(bd->props.fb_blank == FB_BLANK_UNBLANK &&
bd->props.power == FB_BLANK_UNBLANK) ?
- bd->props.brightness : 0);
+ bd->props.brightness : 0;
+
+ dbg_printk(TPACPI_DBG_BRGHT,
+ "backlight: attempt to set level to %d\n",
+ level);
+
+ /* it is the backlight class's job (caller) to handle
+ * EINTR and other errors properly */
+ return brightness_set(level);
}
static int brightness_get(struct backlight_device *bd)
{
int status, res;
- res = brightness_get_raw(&status);
+ res = mutex_lock_killable(&brightness_mutex);
if (res < 0)
- return 0; /* FIXME: teach backlight about error handling */
+ return 0;
+
+ res = tpacpi_brightness_get_raw(&status);
+
+ mutex_unlock(&brightness_mutex);
+
+ if (res < 0)
+ return 0;
return status & TP_EC_BACKLIGHT_LVLMSK;
}
@@ -5523,7 +5792,7 @@ static int __init brightness_init(struct ibm_init_struct *iibm)
}
if (!brightness_enable) {
- dbg_printk(TPACPI_DBG_INIT,
+ dbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_BRGHT,
"brightness support disabled by "
"module parameter\n");
return 1;
@@ -5538,20 +5807,38 @@ static int __init brightness_init(struct ibm_init_struct *iibm)
if (b == 16)
tp_features.bright_16levels = 1;
- if (!brightness_mode) {
- if (thinkpad_id.vendor == PCI_VENDOR_ID_LENOVO)
- brightness_mode = 2;
- else
- brightness_mode = 3;
+ /*
+ * Check for module parameter bogosity, note that we
+ * init brightness_mode to TPACPI_BRGHT_MODE_MAX in order to be
+ * able to detect "unspecified"
+ */
+ if (brightness_mode > TPACPI_BRGHT_MODE_MAX)
+ return -EINVAL;
- dbg_printk(TPACPI_DBG_INIT, "selected brightness_mode=%d\n",
- brightness_mode);
- }
+ /* TPACPI_BRGHT_MODE_AUTO not implemented yet, just use default */
+ if (brightness_mode == TPACPI_BRGHT_MODE_AUTO ||
+ brightness_mode == TPACPI_BRGHT_MODE_MAX) {
+ if (thinkpad_id.vendor == PCI_VENDOR_ID_IBM) {
+ /*
+ * IBM models that define HBRV probably have
+ * EC-based backlight level control
+ */
+ if (acpi_evalf(ec_handle, NULL, "HBRV", "qd"))
+ /* T40-T43, R50-R52, R50e, R51e, X31-X41 */
+ brightness_mode = TPACPI_BRGHT_MODE_ECNVRAM;
+ else
+ /* all other IBM ThinkPads */
+ brightness_mode = TPACPI_BRGHT_MODE_UCMS_STEP;
+ } else
+ /* All Lenovo ThinkPads */
+ brightness_mode = TPACPI_BRGHT_MODE_UCMS_STEP;
- if (brightness_mode > 3)
- return -EINVAL;
+ dbg_printk(TPACPI_DBG_BRGHT,
+ "selected brightness_mode=%d\n",
+ brightness_mode);
+ }
- if (brightness_get_raw(&b) < 0)
+ if (tpacpi_brightness_get_raw(&b) < 0)
return 1;
if (tp_features.bright_16levels)
@@ -5565,7 +5852,8 @@ static int __init brightness_init(struct ibm_init_struct *iibm)
printk(TPACPI_ERR "Could not register backlight device\n");
return PTR_ERR(ibm_backlight_device);
}
- vdbg_printk(TPACPI_DBG_INIT, "brightness is supported\n");
+ vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_BRGHT,
+ "brightness is supported\n");
ibm_backlight_device->props.max_brightness =
(tp_features.bright_16levels)? 15 : 7;
@@ -5575,13 +5863,25 @@ static int __init brightness_init(struct ibm_init_struct *iibm)
return 0;
}
+static void brightness_suspend(pm_message_t state)
+{
+ tpacpi_brightness_checkpoint_nvram();
+}
+
+static void brightness_shutdown(void)
+{
+ tpacpi_brightness_checkpoint_nvram();
+}
+
static void brightness_exit(void)
{
if (ibm_backlight_device) {
- vdbg_printk(TPACPI_DBG_EXIT,
+ vdbg_printk(TPACPI_DBG_EXIT | TPACPI_DBG_BRGHT,
"calling backlight_device_unregister()\n");
backlight_device_unregister(ibm_backlight_device);
}
+
+ tpacpi_brightness_checkpoint_nvram();
}
static int brightness_read(char *p)
@@ -5628,6 +5928,9 @@ static int brightness_write(char *buf)
return -EINVAL;
}
+ tpacpi_disclose_usertask("procfs brightness",
+ "set level to %d\n", level);
+
/*
* Now we know what the final level should be, so we try to set it.
* Doing it this way makes the syscall restartable in case of EINTR
@@ -5641,6 +5944,8 @@ static struct ibm_struct brightness_driver_data = {
.read = brightness_read,
.write = brightness_write,
.exit = brightness_exit,
+ .suspend = brightness_suspend,
+ .shutdown = brightness_shutdown,
};
/*************************************************************************
@@ -5811,7 +6116,7 @@ static struct ibm_struct volume_driver_data = {
* ThinkPads from this same time period (and earlier) probably lack the
* tachometer as well.
*
- * Unfortunately a lot of ThinkPads with new-style ECs but whose firwmare
+ * Unfortunately a lot of ThinkPads with new-style ECs but whose firmware
* was never fixed by IBM to report the EC firmware version string
* probably support the tachometer (like the early X models), so
* detecting it is quite hard. We need more data to know for sure.
@@ -6086,6 +6391,9 @@ static int fan_set_level(int level)
default:
return -ENXIO;
}
+
+ vdbg_printk(TPACPI_DBG_FAN,
+ "fan control: set fan control register to 0x%02x\n", level);
return 0;
}
@@ -6163,6 +6471,11 @@ static int fan_set_enable(void)
}
mutex_unlock(&fan_mutex);
+
+ if (!rc)
+ vdbg_printk(TPACPI_DBG_FAN,
+ "fan control: set fan control register to 0x%02x\n",
+ s);
return rc;
}
@@ -6199,6 +6512,9 @@ static int fan_set_disable(void)
rc = -ENXIO;
}
+ if (!rc)
+ vdbg_printk(TPACPI_DBG_FAN,
+ "fan control: set fan control register to 0\n");
mutex_unlock(&fan_mutex);
return rc;
@@ -6327,6 +6643,9 @@ static ssize_t fan_pwm1_enable_store(struct device *dev,
if (parse_strtoul(buf, 2, &t))
return -EINVAL;
+ tpacpi_disclose_usertask("hwmon pwm1_enable",
+ "set fan mode to %lu\n", t);
+
switch (t) {
case 0:
level = TP_EC_FAN_FULLSPEED;
@@ -6392,6 +6711,9 @@ static ssize_t fan_pwm1_store(struct device *dev,
if (parse_strtoul(buf, 255, &s))
return -EINVAL;
+ tpacpi_disclose_usertask("hwmon pwm1",
+ "set fan speed to %lu\n", s);
+
/* scale down from 0-255 to 0-7 */
newlevel = (s >> 5) & 0x07;
@@ -6458,6 +6780,8 @@ static ssize_t fan_fan_watchdog_store(struct device_driver *drv,
fan_watchdog_maxinterval = t;
fan_watchdog_reset();
+ tpacpi_disclose_usertask("fan_watchdog", "set to %lu\n", t);
+
return count;
}
@@ -6479,7 +6803,8 @@ static int __init fan_init(struct ibm_init_struct *iibm)
{
int rc;
- vdbg_printk(TPACPI_DBG_INIT, "initializing fan subdriver\n");
+ vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_FAN,
+ "initializing fan subdriver\n");
mutex_init(&fan_mutex);
fan_status_access_mode = TPACPI_FAN_NONE;
@@ -6538,7 +6863,8 @@ static int __init fan_init(struct ibm_init_struct *iibm)
}
}
- vdbg_printk(TPACPI_DBG_INIT, "fan is %s, modes %d, %d\n",
+ vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_FAN,
+ "fan is %s, modes %d, %d\n",
str_supported(fan_status_access_mode != TPACPI_FAN_NONE ||
fan_control_access_mode != TPACPI_FAN_WR_NONE),
fan_status_access_mode, fan_control_access_mode);
@@ -6547,7 +6873,7 @@ static int __init fan_init(struct ibm_init_struct *iibm)
if (!fan_control_allowed) {
fan_control_access_mode = TPACPI_FAN_WR_NONE;
fan_control_commands = 0;
- dbg_printk(TPACPI_DBG_INIT,
+ dbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_FAN,
"fan control features disabled by parameter\n");
}
@@ -6576,7 +6902,7 @@ static int __init fan_init(struct ibm_init_struct *iibm)
static void fan_exit(void)
{
- vdbg_printk(TPACPI_DBG_EXIT,
+ vdbg_printk(TPACPI_DBG_EXIT | TPACPI_DBG_FAN,
"cancelling any pending fan watchdog tasks\n");
/* FIXME: can we really do this unconditionally? */
@@ -6757,6 +7083,9 @@ static int fan_write_cmd_level(const char *cmd, int *rc)
if (*rc == -ENXIO)
printk(TPACPI_ERR "level command accepted for unsupported "
"access mode %d", fan_control_access_mode);
+ else if (!*rc)
+ tpacpi_disclose_usertask("procfs fan",
+ "set level to %d\n", level);
return 1;
}
@@ -6770,6 +7099,8 @@ static int fan_write_cmd_enable(const char *cmd, int *rc)
if (*rc == -ENXIO)
printk(TPACPI_ERR "enable command accepted for unsupported "
"access mode %d", fan_control_access_mode);
+ else if (!*rc)
+ tpacpi_disclose_usertask("procfs fan", "enable\n");
return 1;
}
@@ -6783,6 +7114,8 @@ static int fan_write_cmd_disable(const char *cmd, int *rc)
if (*rc == -ENXIO)
printk(TPACPI_ERR "disable command accepted for unsupported "
"access mode %d", fan_control_access_mode);
+ else if (!*rc)
+ tpacpi_disclose_usertask("procfs fan", "disable\n");
return 1;
}
@@ -6801,6 +7134,9 @@ static int fan_write_cmd_speed(const char *cmd, int *rc)
if (*rc == -ENXIO)
printk(TPACPI_ERR "speed command accepted for unsupported "
"access mode %d", fan_control_access_mode);
+ else if (!*rc)
+ tpacpi_disclose_usertask("procfs fan",
+ "set speed to %d\n", speed);
return 1;
}
@@ -6814,8 +7150,12 @@ static int fan_write_cmd_watchdog(const char *cmd, int *rc)
if (interval < 0 || interval > 120)
*rc = -EINVAL;
- else
+ else {
fan_watchdog_maxinterval = interval;
+ tpacpi_disclose_usertask("procfs fan",
+ "set watchdog timer to %d\n",
+ interval);
+ }
return 1;
}
@@ -6992,7 +7332,6 @@ static int __init ibm_init(struct ibm_init_struct *iibm)
ret = -ENODEV;
goto err_out;
}
- entry->owner = THIS_MODULE;
entry->data = ibm;
entry->read_proc = &dispatch_procfs_read;
if (ibm->write)
@@ -7244,10 +7583,10 @@ module_param_named(fan_control, fan_control_allowed, bool, 0);
MODULE_PARM_DESC(fan_control,
"Enables setting fan parameters features when true");
-module_param_named(brightness_mode, brightness_mode, int, 0);
+module_param_named(brightness_mode, brightness_mode, uint, 0);
MODULE_PARM_DESC(brightness_mode,
"Selects brightness control strategy: "
- "0=auto, 1=EC, 2=CMOS, 3=both");
+ "0=auto, 1=EC, 2=UCMS, 3=EC+NVRAM");
module_param(brightness_enable, uint, 0);
MODULE_PARM_DESC(brightness_enable,
@@ -7405,7 +7744,6 @@ static int __init thinkpad_acpi_module_init(void)
thinkpad_acpi_module_exit();
return -ENODEV;
}
- proc_dir->owner = THIS_MODULE;
ret = platform_driver_register(&tpacpi_pdriver);
if (ret) {
@@ -7517,9 +7855,6 @@ static int __init thinkpad_acpi_module_init(void)
return 0;
}
-/* Please remove this in year 2009 */
-MODULE_ALIAS("ibm_acpi");
-
MODULE_ALIAS(TPACPI_DRVR_SHORTNAME);
/*
diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c
index 40e60fc2e59..9f187265db8 100644
--- a/drivers/platform/x86/toshiba_acpi.c
+++ b/drivers/platform/x86/toshiba_acpi.c
@@ -679,8 +679,6 @@ static acpi_status __init add_device(void)
toshiba_proc_dir,
(read_proc_t *) dispatch_read,
item);
- if (proc)
- proc->owner = THIS_MODULE;
if (proc && item->write_func)
proc->write_proc = (write_proc_t *) dispatch_write;
}
@@ -772,7 +770,6 @@ static int __init toshiba_acpi_init(void)
toshiba_acpi_exit();
return -ENODEV;
} else {
- toshiba_proc_dir->owner = THIS_MODULE;
status = add_device();
if (ACPI_FAILURE(status)) {
toshiba_acpi_exit();
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-26 01:50:12 +0000