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Merge branch 'release-2.6.27' of git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-acpi-2.6 

* 'release-2.6.27' of git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-acpi-2.6:
  acpi: fix crash in core ACPI code, triggered by CONFIG_ACPI_PCI_SLOT=y
  ACPI: thinkpad-acpi: don't misdetect in get_thinkpad_model_data() on -ENOMEM
  ACPI: thinkpad-acpi: bump up version to 0.21
  ACPI: thinkpad-acpi: add bluetooth and WWAN rfkill support
  ACPI: thinkpad-acpi: WLSW overrides other rfkill switches
  ACPI: thinkpad-acpi: prepare for bluetooth and wwan rfkill support
  ACPI: thinkpad-acpi: consolidate wlsw notification function
  ACPI: thinkpad-acpi: minor refactor on radio switch init
  Revert "ACPI: don't walk tables if ACPI was disabled"
  Revert "dock: bay: Don't call acpi_walk_namespace() when ACPI is disabled."
  Revert "Fix FADT parsing"
  ACPI : Set FAN device to correct state in boot phase
  ACPI: Ignore _BQC object when registering backlight device
  ACPI: stop complaints about interrupt link End Tags and blank IRQ descriptors
This commit is contained in:
Linus Torvalds 2008-07-24 13:57:37 -07:00
parent 5042d99795 f88133d76e
commit 1481b9109f
9 changed files with 446 additions and 174 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
Documentation/laptops/thinkpad-acpi.txt
View File

@ -1,7 +1,7 @@
ThinkPad ACPI Extras Driver
Version 0.20
April 09th, 2008
Version 0.21
May 29th, 2008
Borislav Deianov <borislav@users.sf.net>
Henrique de Moraes Holschuh <hmh@hmh.eng.br>
@ -621,7 +621,8 @@ Bluetooth
---------
procfs: /proc/acpi/ibm/bluetooth
sysfs device attribute: bluetooth_enable
sysfs device attribute: bluetooth_enable (deprecated)
sysfs rfkill class: switch "tpacpi_bluetooth_sw"
This feature shows the presence and current state of a ThinkPad
Bluetooth device in the internal ThinkPad CDC slot.
@ -643,8 +644,12 @@ Sysfs notes:
0: disables Bluetooth / Bluetooth is disabled
1: enables Bluetooth / Bluetooth is enabled.
Note: this interface will be probably be superseded by the
generic rfkill class, so it is NOT to be considered stable yet.
Note: this interface has been superseded by the generic rfkill
class. It has been deprecated, and it will be removed in year
2010.
rfkill controller switch "tpacpi_bluetooth_sw": refer to
Documentation/rfkill.txt for details.
Video output control -- /proc/acpi/ibm/video
--------------------------------------------
@ -1374,7 +1379,8 @@ EXPERIMENTAL: WAN
-----------------
procfs: /proc/acpi/ibm/wan
sysfs device attribute: wwan_enable
sysfs device attribute: wwan_enable (deprecated)
sysfs rfkill class: switch "tpacpi_wwan_sw"
This feature is marked EXPERIMENTAL because the implementation
directly accesses hardware registers and may not work as expected. USE
@ -1404,8 +1410,12 @@ Sysfs notes:
0: disables WWAN card / WWAN card is disabled
1: enables WWAN card / WWAN card is enabled.
Note: this interface will be probably be superseded by the
generic rfkill class, so it is NOT to be considered stable yet.
Note: this interface has been superseded by the generic rfkill
class. It has been deprecated, and it will be removed in year
2010.
rfkill controller switch "tpacpi_wwan_sw": refer to
Documentation/rfkill.txt for details.
Multiple Commands, Module Parameters
------------------------------------

8
drivers/acpi/namespace/nsnames.c
View File

@ -137,6 +137,10 @@ char *acpi_ns_get_external_pathname(struct acpi_namespace_node *node)
/* Calculate required buffer size based on depth below root */
size = acpi_ns_get_pathname_length(node);
if (!size) {
ACPI_ERROR((AE_INFO, "Invalid node failure"));
return_PTR(NULL);
}
/* Allocate a buffer to be returned to caller */
@ -229,6 +233,10 @@ acpi_ns_handle_to_pathname(acpi_handle target_handle,
/* Determine size required for the caller buffer */
required_size = acpi_ns_get_pathname_length(node);
if (!required_size) {
ACPI_ERROR((AE_INFO, "Invalid node failure"));
return_ACPI_STATUS(AE_ERROR);
}
/* Validate/Allocate/Clear caller buffer */

31
drivers/acpi/pci_link.c
View File

@ -113,20 +113,23 @@ acpi_pci_link_check_possible(struct acpi_resource *resource, void *context)
switch (resource->type) {
case ACPI_RESOURCE_TYPE_START_DEPENDENT:
case ACPI_RESOURCE_TYPE_END_TAG:
return AE_OK;
case ACPI_RESOURCE_TYPE_IRQ:
{
struct acpi_resource_irq *p = &resource->data.irq;
if (!p || !p->interrupt_count) {
printk(KERN_WARNING PREFIX "Blank IRQ resource\n");
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Blank _PRS IRQ resource\n"));
return AE_OK;
}
for (i = 0;
(i < p->interrupt_count
&& i < ACPI_PCI_LINK_MAX_POSSIBLE); i++) {
if (!p->interrupts[i]) {
printk(KERN_WARNING PREFIX "Invalid IRQ %d\n",
p->interrupts[i]);
printk(KERN_WARNING PREFIX
"Invalid _PRS IRQ %d\n",
p->interrupts[i]);
continue;
}
link->irq.possible[i] = p->interrupts[i];
@ -143,15 +146,16 @@ acpi_pci_link_check_possible(struct acpi_resource *resource, void *context)
&resource->data.extended_irq;
if (!p || !p->interrupt_count) {
printk(KERN_WARNING PREFIX
"Blank EXT IRQ resource\n");
"Blank _PRS EXT IRQ resource\n");
return AE_OK;
}
for (i = 0;
(i < p->interrupt_count
&& i < ACPI_PCI_LINK_MAX_POSSIBLE); i++) {
if (!p->interrupts[i]) {
printk(KERN_WARNING PREFIX "Invalid IRQ %d\n",
p->interrupts[i]);
printk(KERN_WARNING PREFIX
"Invalid _PRS IRQ %d\n",
p->interrupts[i]);
continue;
}
link->irq.possible[i] = p->interrupts[i];
@ -163,7 +167,8 @@ acpi_pci_link_check_possible(struct acpi_resource *resource, void *context)
break;
}
default:
printk(KERN_ERR PREFIX "Resource is not an IRQ entry\n");
printk(KERN_ERR PREFIX "_PRS resource type 0x%x isn't an IRQ\n",
resource->type);
return AE_OK;
}
@ -199,6 +204,9 @@ acpi_pci_link_check_current(struct acpi_resource *resource, void *context)
switch (resource->type) {
case ACPI_RESOURCE_TYPE_START_DEPENDENT:
case ACPI_RESOURCE_TYPE_END_TAG:
return AE_OK;
case ACPI_RESOURCE_TYPE_IRQ:
{
struct acpi_resource_irq *p = &resource->data.irq;
@ -208,7 +216,7 @@ acpi_pci_link_check_current(struct acpi_resource *resource, void *context)
* particularly those those w/ _STA disabled
*/
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Blank IRQ resource\n"));
"Blank _CRS IRQ resource\n"));
return AE_OK;
}
*irq = p->interrupts[0];
@ -224,7 +232,7 @@ acpi_pci_link_check_current(struct acpi_resource *resource, void *context)
* return at least 1 IRQ
*/
printk(KERN_WARNING PREFIX
"Blank EXT IRQ resource\n");
"Blank _CRS EXT IRQ resource\n");
return AE_OK;
}
*irq = p->interrupts[0];
@ -232,10 +240,11 @@ acpi_pci_link_check_current(struct acpi_resource *resource, void *context)
}
break;
default:
printk(KERN_ERR PREFIX "Resource %d isn't an IRQ\n", resource->type);
case ACPI_RESOURCE_TYPE_END_TAG:
printk(KERN_ERR PREFIX "_CRS resource type 0x%x isn't an IRQ\n",
resource->type);
return AE_OK;
}
return AE_CTRL_TERMINATE;
}

17
drivers/acpi/tables/tbfadt.c
View File

@ -124,7 +124,7 @@ static struct acpi_fadt_info fadt_info_table[] = {
static void inline
acpi_tb_init_generic_address(struct acpi_generic_address *generic_address,
u8 byte_width, u64 address)
u8 bit_width, u64 address)
{
/*
@ -136,7 +136,7 @@ acpi_tb_init_generic_address(struct acpi_generic_address *generic_address,
/* All other fields are byte-wide */
generic_address->space_id = ACPI_ADR_SPACE_SYSTEM_IO;
generic_address->bit_width = byte_width << 3;
generic_address->bit_width = bit_width;
generic_address->bit_offset = 0;
generic_address->access_width = 0;
}
@ -343,11 +343,9 @@ static void acpi_tb_convert_fadt(void)
*
* The PM event blocks are split into two register blocks, first is the
* PM Status Register block, followed immediately by the PM Enable Register
* block. Each is of length (xpm1x_event_block.bit_width/2)
* block. Each is of length (pm1_event_length/2)
*/
WARN_ON(ACPI_MOD_16(acpi_gbl_FADT.xpm1a_event_block.bit_width));
pm1_register_length = (u8) ACPI_DIV_16(acpi_gbl_FADT
.xpm1a_event_block.bit_width);
pm1_register_length = (u8) ACPI_DIV_2(acpi_gbl_FADT.pm1_event_length);
/* The PM1A register block is required */
@ -362,17 +360,14 @@ static void acpi_tb_convert_fadt(void)
/* The PM1B register block is optional, ignore if not present */
if (acpi_gbl_FADT.xpm1b_event_block.address) {
WARN_ON(ACPI_MOD_16(acpi_gbl_FADT.xpm1b_event_block.bit_width));
pm1_register_length = (u8) ACPI_DIV_16(acpi_gbl_FADT
.xpm1b_event_block
.bit_width);
acpi_tb_init_generic_address(&acpi_gbl_xpm1b_enable,
pm1_register_length,
(acpi_gbl_FADT.xpm1b_event_block.
address + pm1_register_length));
/* Don't forget to copy space_id of the GAS */
acpi_gbl_xpm1b_enable.space_id =
acpi_gbl_FADT.xpm1b_event_block.space_id;
acpi_gbl_FADT.xpm1a_event_block.space_id;
}
}

43
drivers/acpi/thermal.c
View File

@ -769,6 +769,47 @@ static void acpi_thermal_run(unsigned long data)
acpi_os_execute(OSL_GPE_HANDLER, acpi_thermal_check, (void *)data);
}
static void acpi_thermal_active_off(void *data)
{
int result = 0;
struct acpi_thermal *tz = data;
int i = 0;
int j = 0;
struct acpi_thermal_active *active = NULL;
if (!tz) {
printk(KERN_ERR PREFIX "Invalid (NULL) context\n");
return;
}
result = acpi_thermal_get_temperature(tz);
if (result)
return;
for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE; i++) {
active = &(tz->trips.active[i]);
if (!active || !active->flags.valid)
break;
if (tz->temperature >= active->temperature) {
/*
* If the thermal temperature is greater than the
* active threshod, unnecessary to turn off the
* the active cooling device.
*/
continue;
}
/*
* Below Threshold?
* ----------------
* Turn OFF all cooling devices associated with this
* threshold.
*/
for (j = 0; j < active->devices.count; j++)
result = acpi_bus_set_power(active->devices.handles[j],
ACPI_STATE_D3);
}
}
static void acpi_thermal_check(void *data)
{
int result = 0;
@ -1624,6 +1665,8 @@ static int acpi_thermal_add(struct acpi_device *device)
init_timer(&tz->timer);
acpi_thermal_active_off(tz);
acpi_thermal_check(tz);
status = acpi_install_notify_handler(device->handle,

4
drivers/acpi/utilities/utalloc.c
View File

@ -242,6 +242,10 @@ acpi_ut_initialize_buffer(struct acpi_buffer * buffer,
{
acpi_status status = AE_OK;
if (!required_length) {
WARN_ON(1);
return AE_ERROR;
}
switch (buffer->length) {
case ACPI_NO_BUFFER:

14
drivers/acpi/video.c
View File

@ -741,7 +741,7 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device)
max_level = acpi_video_init_brightness(device);
if (device->cap._BCL && device->cap._BCM && device->cap._BQC && max_level > 0){
if (device->cap._BCL && device->cap._BCM && max_level > 0) {
int result;
static int count = 0;
char *name;
@ -753,7 +753,17 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device)
device->backlight = backlight_device_register(name,
NULL, device, &acpi_backlight_ops);
device->backlight->props.max_brightness = device->brightness->count-3;
device->backlight->props.brightness = acpi_video_get_brightness(device->backlight);
/*
* If there exists the _BQC object, the _BQC object will be
* called to get the current backlight brightness. Otherwise
* the brightness will be set to the maximum.
*/
if (device->cap._BQC)
device->backlight->props.brightness =
acpi_video_get_brightness(device->backlight);
else
device->backlight->props.brightness =
device->backlight->props.max_brightness;
backlight_update_status(device->backlight);
kfree(name);

2
drivers/misc/Kconfig
View File

@ -279,6 +279,8 @@ config THINKPAD_ACPI
select INPUT
select NEW_LEDS
select LEDS_CLASS
select NET
select RFKILL
---help---
This is a driver for the IBM and Lenovo ThinkPad laptops. It adds
support for Fn-Fx key combinations, Bluetooth control, video

475
drivers/misc/thinkpad_acpi.c
View File

@ -21,7 +21,7 @@
* 02110-1301, USA.
*/
#define TPACPI_VERSION "0.20"
#define TPACPI_VERSION "0.21"
#define TPACPI_SYSFS_VERSION 0x020200
/*
@ -68,6 +68,7 @@
#include <linux/hwmon-sysfs.h>
#include <linux/input.h>
#include <linux/leds.h>
#include <linux/rfkill.h>
#include <asm/uaccess.h>
#include <linux/dmi.h>
@ -144,6 +145,12 @@ enum {
#define TPACPI_MAX_ACPI_ARGS 3
/* rfkill switches */
enum {
TPACPI_RFK_BLUETOOTH_SW_ID = 0,
TPACPI_RFK_WWAN_SW_ID,
};
/* Debugging */
#define TPACPI_LOG TPACPI_FILE ": "
#define TPACPI_ERR KERN_ERR TPACPI_LOG
@ -905,6 +912,43 @@ static int __init tpacpi_check_std_acpi_brightness_support(void)
return 0;
}
static int __init tpacpi_new_rfkill(const unsigned int id,
struct rfkill **rfk,
const enum rfkill_type rfktype,
const char *name,
int (*toggle_radio)(void *, enum rfkill_state),
int (*get_state)(void *, enum rfkill_state *))
{
int res;
enum rfkill_state initial_state;
*rfk = rfkill_allocate(&tpacpi_pdev->dev, rfktype);
if (!*rfk) {
printk(TPACPI_ERR
"failed to allocate memory for rfkill class\n");
return -ENOMEM;
}
(*rfk)->name = name;
(*rfk)->get_state = get_state;
(*rfk)->toggle_radio = toggle_radio;
if (!get_state(NULL, &initial_state))
(*rfk)->state = initial_state;
res = rfkill_register(*rfk);
if (res < 0) {
printk(TPACPI_ERR
"failed to register %s rfkill switch: %d\n",
name, res);
rfkill_free(*rfk);
*rfk = NULL;
return res;
}
return 0;
}
/*************************************************************************
* thinkpad-acpi driver attributes
*/
@ -1285,21 +1329,6 @@ static int hotkey_status_set(int status)
return 0;
}
static void tpacpi_input_send_radiosw(void)
{
int wlsw;
if (tp_features.hotkey_wlsw && !hotkey_get_wlsw(&wlsw)) {
mutex_lock(&tpacpi_inputdev_send_mutex);
input_report_switch(tpacpi_inputdev,
SW_RFKILL_ALL, !!wlsw);
input_sync(tpacpi_inputdev);
mutex_unlock(&tpacpi_inputdev_send_mutex);
}
}
static void tpacpi_input_send_tabletsw(void)
{
int state;
@ -1921,6 +1950,30 @@ static struct attribute *hotkey_mask_attributes[] __initdata = {
&dev_attr_hotkey_wakeup_hotunplug_complete.attr,
};
static void bluetooth_update_rfk(void);
static void wan_update_rfk(void);
static void tpacpi_send_radiosw_update(void)
{
int wlsw;
/* Sync these BEFORE sending any rfkill events */
if (tp_features.bluetooth)
bluetooth_update_rfk();
if (tp_features.wan)
wan_update_rfk();
if (tp_features.hotkey_wlsw && !hotkey_get_wlsw(&wlsw)) {
mutex_lock(&tpacpi_inputdev_send_mutex);
input_report_switch(tpacpi_inputdev,
SW_RFKILL_ALL, !!wlsw);
input_sync(tpacpi_inputdev);
mutex_unlock(&tpacpi_inputdev_send_mutex);
}
hotkey_radio_sw_notify_change();
}
static void hotkey_exit(void)
{
#ifdef CONFIG_THINKPAD_ACPI_HOTKEY_POLL
@ -2167,9 +2220,10 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
printk(TPACPI_INFO
"radio switch found; radios are %s\n",
enabled(status, 0));
}
if (tp_features.hotkey_wlsw)
res = add_to_attr_set(hotkey_dev_attributes,
&dev_attr_hotkey_radio_sw.attr);
}
/* For X41t, X60t, X61t Tablets... */
if (!res && acpi_evalf(hkey_handle, &status, "MHKG", "qd")) {
@ -2287,7 +2341,7 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
tpacpi_inputdev->close = &hotkey_inputdev_close;
hotkey_poll_setup_safe(1);
tpacpi_input_send_radiosw();
tpacpi_send_radiosw_update();
tpacpi_input_send_tabletsw();
return 0;
@ -2419,8 +2473,7 @@ static void hotkey_notify(struct ibm_struct *ibm, u32 event)
case 7:
/* 0x7000-0x7FFF: misc */
if (tp_features.hotkey_wlsw && hkey == 0x7000) {
tpacpi_input_send_radiosw();
hotkey_radio_sw_notify_change();
tpacpi_send_radiosw_update();
send_acpi_ev = 0;
break;
}
@ -2463,8 +2516,7 @@ static void hotkey_resume(void)
printk(TPACPI_ERR
"error while trying to read hot key mask "
"from firmware\n");
tpacpi_input_send_radiosw();
hotkey_radio_sw_notify_change();
tpacpi_send_radiosw_update();
hotkey_tablet_mode_notify_change();
hotkey_wakeup_reason_notify_change();
hotkey_wakeup_hotunplug_complete_notify_change();
@ -2581,8 +2633,66 @@ enum {
TP_ACPI_BLUETOOTH_UNK = 0x04, /* unknown function */
};
static int bluetooth_get_radiosw(void);
static int bluetooth_set_radiosw(int radio_on);
static struct rfkill *tpacpi_bluetooth_rfkill;
static int bluetooth_get_radiosw(void)
{
int status;
if (!tp_features.bluetooth)
return -ENODEV;
/* WLSW overrides bluetooth in firmware/hardware, reflect that */
if (tp_features.hotkey_wlsw && !hotkey_get_wlsw(&status) && !status)
return RFKILL_STATE_HARD_BLOCKED;
if (!acpi_evalf(hkey_handle, &status, "GBDC", "d"))
return -EIO;
return ((status & TP_ACPI_BLUETOOTH_RADIOSSW) != 0) ?
RFKILL_STATE_UNBLOCKED : RFKILL_STATE_SOFT_BLOCKED;
}
static void bluetooth_update_rfk(void)
{
int status;
if (!tpacpi_bluetooth_rfkill)
return;
status = bluetooth_get_radiosw();
if (status < 0)
return;
rfkill_force_state(tpacpi_bluetooth_rfkill, status);
}
static int bluetooth_set_radiosw(int radio_on, int update_rfk)
{
int status;
if (!tp_features.bluetooth)
return -ENODEV;
/* WLSW overrides bluetooth in firmware/hardware, but there is no
* reason to risk weird behaviour. */
if (tp_features.hotkey_wlsw && !hotkey_get_wlsw(&status) && !status
&& radio_on)
return -EPERM;
if (!acpi_evalf(hkey_handle, &status, "GBDC", "d"))
return -EIO;
if (radio_on)
status |= TP_ACPI_BLUETOOTH_RADIOSSW;
else
status &= ~TP_ACPI_BLUETOOTH_RADIOSSW;
if (!acpi_evalf(hkey_handle, NULL, "SBDC", "vd", status))
return -EIO;
if (update_rfk)
bluetooth_update_rfk();
return 0;
}
/* sysfs bluetooth enable ---------------------------------------------- */
static ssize_t bluetooth_enable_show(struct device *dev,
@ -2595,7 +2705,8 @@ static ssize_t bluetooth_enable_show(struct device *dev,
if (status < 0)
return status;
return snprintf(buf, PAGE_SIZE, "%d\n", status ? 1 : 0);
return snprintf(buf, PAGE_SIZE, "%d\n",
(status == RFKILL_STATE_UNBLOCKED) ? 1 : 0);
}
static ssize_t bluetooth_enable_store(struct device *dev,
@ -2608,7 +2719,7 @@ static ssize_t bluetooth_enable_store(struct device *dev,
if (parse_strtoul(buf, 1, &t))
return -EINVAL;
res = bluetooth_set_radiosw(t);
res = bluetooth_set_radiosw(t, 1);
return (res) ? res : count;
}
@ -2628,6 +2739,31 @@ static const struct attribute_group bluetooth_attr_group = {
.attrs = bluetooth_attributes,
};
static int tpacpi_bluetooth_rfk_get(void *data, enum rfkill_state *state)
{
int bts = bluetooth_get_radiosw();
if (bts < 0)
return bts;
*state = bts;
return 0;
}
static int tpacpi_bluetooth_rfk_set(void *data, enum rfkill_state state)
{
return bluetooth_set_radiosw((state == RFKILL_STATE_UNBLOCKED), 0);
}
static void bluetooth_exit(void)
{
if (tpacpi_bluetooth_rfkill)
rfkill_unregister(tpacpi_bluetooth_rfkill);
sysfs_remove_group(&tpacpi_pdev->dev.kobj,
&bluetooth_attr_group);
}
static int __init bluetooth_init(struct ibm_init_struct *iibm)
{
int res;
@ -2646,57 +2782,32 @@ static int __init bluetooth_init(struct ibm_init_struct *iibm)
str_supported(tp_features.bluetooth),
status);
if (tp_features.bluetooth) {
if (!(status & TP_ACPI_BLUETOOTH_HWPRESENT)) {
/* no bluetooth hardware present in system */
tp_features.bluetooth = 0;
dbg_printk(TPACPI_DBG_INIT,
"bluetooth hardware not installed\n");
} else {
res = sysfs_create_group(&tpacpi_pdev->dev.kobj,
&bluetooth_attr_group);
if (res)
return res;
}
if (tp_features.bluetooth &&
!(status & TP_ACPI_BLUETOOTH_HWPRESENT)) {
/* no bluetooth hardware present in system */
tp_features.bluetooth = 0;
dbg_printk(TPACPI_DBG_INIT,
"bluetooth hardware not installed\n");
}
return (tp_features.bluetooth)? 0 : 1;
}
static void bluetooth_exit(void)
{
sysfs_remove_group(&tpacpi_pdev->dev.kobj,
&bluetooth_attr_group);
}
static int bluetooth_get_radiosw(void)
{
int status;
if (!tp_features.bluetooth)
return -ENODEV;
return 1;
if (!acpi_evalf(hkey_handle, &status, "GBDC", "d"))
return -EIO;
res = sysfs_create_group(&tpacpi_pdev->dev.kobj,
&bluetooth_attr_group);
if (res)
return res;
return ((status & TP_ACPI_BLUETOOTH_RADIOSSW) != 0);
}
static int bluetooth_set_radiosw(int radio_on)
{
int status;
if (!tp_features.bluetooth)
return -ENODEV;
if (!acpi_evalf(hkey_handle, &status, "GBDC", "d"))
return -EIO;
if (radio_on)
status |= TP_ACPI_BLUETOOTH_RADIOSSW;
else
status &= ~TP_ACPI_BLUETOOTH_RADIOSSW;
if (!acpi_evalf(hkey_handle, NULL, "SBDC", "vd", status))
return -EIO;
res = tpacpi_new_rfkill(TPACPI_RFK_BLUETOOTH_SW_ID,
&tpacpi_bluetooth_rfkill,
RFKILL_TYPE_BLUETOOTH,
"tpacpi_bluetooth_sw",
tpacpi_bluetooth_rfk_set,
tpacpi_bluetooth_rfk_get);
if (res) {
bluetooth_exit();
return res;
}
return 0;
}
@ -2711,7 +2822,8 @@ static int bluetooth_read(char *p)
len += sprintf(p + len, "status:\t\tnot supported\n");
else {
len += sprintf(p + len, "status:\t\t%s\n",
(status)? "enabled" : "disabled");
(status == RFKILL_STATE_UNBLOCKED) ?
"enabled" : "disabled");
len += sprintf(p + len, "commands:\tenable, disable\n");
}
@ -2727,9 +2839,9 @@ static int bluetooth_write(char *buf)
while ((cmd = next_cmd(&buf))) {
if (strlencmp(cmd, "enable") == 0) {
bluetooth_set_radiosw(1);
bluetooth_set_radiosw(1, 1);
} else if (strlencmp(cmd, "disable") == 0) {
bluetooth_set_radiosw(0);
bluetooth_set_radiosw(0, 1);
} else
return -EINVAL;
}
@ -2755,8 +2867,66 @@ enum {
TP_ACPI_WANCARD_UNK = 0x04, /* unknown function */
};
static int wan_get_radiosw(void);
static int wan_set_radiosw(int radio_on);
static struct rfkill *tpacpi_wan_rfkill;
static int wan_get_radiosw(void)
{
int status;
if (!tp_features.wan)
return -ENODEV;
/* WLSW overrides WWAN in firmware/hardware, reflect that */
if (tp_features.hotkey_wlsw && !hotkey_get_wlsw(&status) && !status)
return RFKILL_STATE_HARD_BLOCKED;
if (!acpi_evalf(hkey_handle, &status, "GWAN", "d"))
return -EIO;
return ((status & TP_ACPI_WANCARD_RADIOSSW) != 0) ?
RFKILL_STATE_UNBLOCKED : RFKILL_STATE_SOFT_BLOCKED;
}
static void wan_update_rfk(void)
{
int status;
if (!tpacpi_wan_rfkill)
return;
status = wan_get_radiosw();
if (status < 0)
return;
rfkill_force_state(tpacpi_wan_rfkill, status);
}
static int wan_set_radiosw(int radio_on, int update_rfk)
{
int status;
if (!tp_features.wan)
return -ENODEV;
/* WLSW overrides bluetooth in firmware/hardware, but there is no
* reason to risk weird behaviour. */
if (tp_features.hotkey_wlsw && !hotkey_get_wlsw(&status) && !status
&& radio_on)
return -EPERM;
if (!acpi_evalf(hkey_handle, &status, "GWAN", "d"))
return -EIO;
if (radio_on)
status |= TP_ACPI_WANCARD_RADIOSSW;
else
status &= ~TP_ACPI_WANCARD_RADIOSSW;
if (!acpi_evalf(hkey_handle, NULL, "SWAN", "vd", status))
return -EIO;
if (update_rfk)
wan_update_rfk();
return 0;
}
/* sysfs wan enable ---------------------------------------------------- */
static ssize_t wan_enable_show(struct device *dev,
@ -2769,7 +2939,8 @@ static ssize_t wan_enable_show(struct device *dev,
if (status < 0)
return status;
return snprintf(buf, PAGE_SIZE, "%d\n", status ? 1 : 0);
return snprintf(buf, PAGE_SIZE, "%d\n",
(status == RFKILL_STATE_UNBLOCKED) ? 1 : 0);
}
static ssize_t wan_enable_store(struct device *dev,
@ -2782,7 +2953,7 @@ static ssize_t wan_enable_store(struct device *dev,
if (parse_strtoul(buf, 1, &t))
return -EINVAL;
res = wan_set_radiosw(t);
res = wan_set_radiosw(t, 1);
return (res) ? res : count;
}
@ -2802,6 +2973,31 @@ static const struct attribute_group wan_attr_group = {
.attrs = wan_attributes,
};
static int tpacpi_wan_rfk_get(void *data, enum rfkill_state *state)
{
int wans = wan_get_radiosw();
if (wans < 0)
return wans;
*state = wans;
return 0;
}
static int tpacpi_wan_rfk_set(void *data, enum rfkill_state state)
{
return wan_set_radiosw((state == RFKILL_STATE_UNBLOCKED), 0);
}
static void wan_exit(void)
{
if (tpacpi_wan_rfkill)
rfkill_unregister(tpacpi_wan_rfkill);
sysfs_remove_group(&tpacpi_pdev->dev.kobj,
&wan_attr_group);
}
static int __init wan_init(struct ibm_init_struct *iibm)
{
int res;
@ -2818,57 +3014,32 @@ static int __init wan_init(struct ibm_init_struct *iibm)
str_supported(tp_features.wan),
status);
if (tp_features.wan) {
if (!(status & TP_ACPI_WANCARD_HWPRESENT)) {
/* no wan hardware present in system */
tp_features.wan = 0;
dbg_printk(TPACPI_DBG_INIT,
"wan hardware not installed\n");
} else {
res = sysfs_create_group(&tpacpi_pdev->dev.kobj,
&wan_attr_group);
if (res)
return res;
}
if (tp_features.wan &&
!(status & TP_ACPI_WANCARD_HWPRESENT)) {
/* no wan hardware present in system */
tp_features.wan = 0;
dbg_printk(TPACPI_DBG_INIT,
"wan hardware not installed\n");
}
return (tp_features.wan)? 0 : 1;
}
static void wan_exit(void)
{
sysfs_remove_group(&tpacpi_pdev->dev.kobj,
&wan_attr_group);
}
static int wan_get_radiosw(void)
{
int status;
if (!tp_features.wan)
return -ENODEV;
return 1;
if (!acpi_evalf(hkey_handle, &status, "GWAN", "d"))
return -EIO;
res = sysfs_create_group(&tpacpi_pdev->dev.kobj,
&wan_attr_group);
if (res)
return res;
return ((status & TP_ACPI_WANCARD_RADIOSSW) != 0);
}
static int wan_set_radiosw(int radio_on)
{
int status;
if (!tp_features.wan)
return -ENODEV;
if (!acpi_evalf(hkey_handle, &status, "GWAN", "d"))
return -EIO;
if (radio_on)
status |= TP_ACPI_WANCARD_RADIOSSW;
else
status &= ~TP_ACPI_WANCARD_RADIOSSW;
if (!acpi_evalf(hkey_handle, NULL, "SWAN", "vd", status))
return -EIO;
res = tpacpi_new_rfkill(TPACPI_RFK_WWAN_SW_ID,
&tpacpi_wan_rfkill,
RFKILL_TYPE_WWAN,
"tpacpi_wwan_sw",
tpacpi_wan_rfk_set,
tpacpi_wan_rfk_get);
if (res) {
wan_exit();
return res;
}
return 0;
}
@ -2883,7 +3054,8 @@ static int wan_read(char *p)
len += sprintf(p + len, "status:\t\tnot supported\n");
else {
len += sprintf(p + len, "status:\t\t%s\n",
(status)? "enabled" : "disabled");
(status == RFKILL_STATE_UNBLOCKED) ?
"enabled" : "disabled");
len += sprintf(p + len, "commands:\tenable, disable\n");
}
@ -2899,9 +3071,9 @@ static int wan_write(char *buf)
while ((cmd = next_cmd(&buf))) {
if (strlencmp(cmd, "enable") == 0) {
wan_set_radiosw(1);
wan_set_radiosw(1, 1);
} else if (strlencmp(cmd, "disable") == 0) {
wan_set_radiosw(0);
wan_set_radiosw(0, 1);
} else
return -EINVAL;
}
@ -6168,13 +6340,18 @@ static int __init ibm_init(struct ibm_init_struct *iibm)
/* Probing */
static void __init get_thinkpad_model_data(struct thinkpad_id_data *tp)
/* returns 0 - probe ok, or < 0 - probe error.
* Probe ok doesn't mean thinkpad found.
* On error, kfree() cleanup on tp->* is not performed, caller must do it */
static int __must_check __init get_thinkpad_model_data(
struct thinkpad_id_data *tp)
{
const struct dmi_device *dev = NULL;
char ec_fw_string[18];
char const *s;
if (!tp)
return;
return -EINVAL;
memset(tp, 0, sizeof(*tp));
@ -6183,12 +6360,14 @@ static void __init get_thinkpad_model_data(struct thinkpad_id_data *tp)
else if (dmi_name_in_vendors("LENOVO"))
tp->vendor = PCI_VENDOR_ID_LENOVO;
else
return;
return 0;
tp->bios_version_str = kstrdup(dmi_get_system_info(DMI_BIOS_VERSION),
GFP_KERNEL);
s = dmi_get_system_info(DMI_BIOS_VERSION);
tp->bios_version_str = kstrdup(s, GFP_KERNEL);
if (s && !tp->bios_version_str)
return -ENOMEM;
if (!tp->bios_version_str)
return;
return 0;
tp->bios_model = tp->bios_version_str[0]
| (tp->bios_version_str[1] << 8);
@ -6207,21 +6386,27 @@ static void __init get_thinkpad_model_data(struct thinkpad_id_data *tp)
ec_fw_string[strcspn(ec_fw_string, " ]")] = 0;
tp->ec_version_str = kstrdup(ec_fw_string, GFP_KERNEL);
if (!tp->ec_version_str)
return -ENOMEM;
tp->ec_model = ec_fw_string[0]
| (ec_fw_string[1] << 8);
break;
}
}
tp->model_str = kstrdup(dmi_get_system_info(DMI_PRODUCT_VERSION),
GFP_KERNEL);
if (tp->model_str && strnicmp(tp->model_str, "ThinkPad", 8) != 0) {
kfree(tp->model_str);
tp->model_str = NULL;
s = dmi_get_system_info(DMI_PRODUCT_VERSION);
if (s && !strnicmp(s, "ThinkPad", 8)) {
tp->model_str = kstrdup(s, GFP_KERNEL);
if (!tp->model_str)
return -ENOMEM;
}
tp->nummodel_str = kstrdup(dmi_get_system_info(DMI_PRODUCT_NAME),
GFP_KERNEL);
s = dmi_get_system_info(DMI_PRODUCT_NAME);
tp->nummodel_str = kstrdup(s, GFP_KERNEL);
if (s && !tp->nummodel_str)
return -ENOMEM;
return 0;
}
static int __init probe_for_thinkpad(void)
@ -6484,7 +6669,13 @@ static int __init thinkpad_acpi_module_init(void)
/* Driver-level probe */
get_thinkpad_model_data(&thinkpad_id);
ret = get_thinkpad_model_data(&thinkpad_id);
if (ret) {
printk(TPACPI_ERR
"unable to get DMI data: %d\n", ret);
thinkpad_acpi_module_exit();
return ret;
}
ret = probe_for_thinkpad();
if (ret) {
thinkpad_acpi_module_exit();