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

* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (34 commits)
  classmate-laptop: add support for Classmate PC ACPI devices
  hp-wmi: Fix two memleaks
  acer-wmi, msi-wmi: Remove needless DMI MODULE_ALIAS
  dell-wmi: do not keep driver loaded on unsupported boxes
  wmi: Free the allocated acpi objects through wmi_get_event_data
  drivers/platform/x86/acerhdf.c: check BIOS information whether it begins with string of table
  acerhdf: add new BIOS versions
  acerhdf: limit modalias matching to supported
  toshiba_acpi: convert to seq_file
  asus_acpi: convert to seq_file
  ACPI: do not select ACPI_DOCK from ATA_ACPI
  sony-laptop: enumerate rfkill devices using SN06
  sony-laptop: rfkill support for newer models
  ACPI: fix OSC regression that caused aer and pciehp not to load
  MAINTAINERS: add maintainer for msi-wmi driver
  fujitu-laptop: fix tests of acpi_evaluate_integer() return value
  arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c: avoid cross-CPU interrupts by using smp_call_function_any()
  ACPI: processor: remove _PDC object list from struct acpi_processor
  ACPI: processor: change acpi_processor_set_pdc() interface
  ACPI: processor: open code acpi_processor_cleanup_pdc
  ...
This commit is contained in:
Linus Torvalds 2009-12-24 13:00:02 -08:00
commit 71492fd1bd
32 changed files with 1435 additions and 667 deletions

View file

@ -1472,6 +1472,12 @@ L: linux-scsi@vger.kernel.org
S: Supported
F: drivers/scsi/fnic/
CMPC ACPI DRIVER
M: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
M: Daniel Oliveira Nascimento <don@syst.com.br>
S: Supported
F: drivers/platform/x86/classmate-laptop.c
CODA FILE SYSTEM
M: Jan Harkes <jaharkes@cs.cmu.edu>
M: coda@cs.cmu.edu
@ -3646,6 +3652,11 @@ W: http://0pointer.de/lennart/tchibo.html
S: Maintained
F: drivers/platform/x86/msi-laptop.c
MSI WMI SUPPORT
M: Anisse Astier <anisse@astier.eu>
S: Supported
F: drivers/platform/x86/msi-wmi.c
MULTIFUNCTION DEVICES (MFD)
M: Samuel Ortiz <sameo@linux.intel.com>
T: git git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6.git

View file

@ -132,6 +132,12 @@ extern int __devinitdata pxm_to_nid_map[MAX_PXM_DOMAINS];
extern int __initdata nid_to_pxm_map[MAX_NUMNODES];
#endif
static inline bool arch_has_acpi_pdc(void) { return true; }
static inline void arch_acpi_set_pdc_bits(u32 *buf)
{
buf[2] |= ACPI_PDC_EST_CAPABILITY_SMP;
}
#define acpi_unlazy_tlb(x)
#ifdef CONFIG_ACPI_NUMA

View file

@ -18,10 +18,6 @@ obj-$(CONFIG_IA64_GENERIC) += acpi-ext.o
obj-$(CONFIG_IA64_HP_ZX1) += acpi-ext.o
obj-$(CONFIG_IA64_HP_ZX1_SWIOTLB) += acpi-ext.o
ifneq ($(CONFIG_ACPI_PROCESSOR),)
obj-y += acpi-processor.o
endif
obj-$(CONFIG_IA64_PALINFO) += palinfo.o
obj-$(CONFIG_IOSAPIC) += iosapic.o
obj-$(CONFIG_MODULES) += module.o

View file

@ -1,85 +0,0 @@
/*
* arch/ia64/kernel/acpi-processor.c
*
* Copyright (C) 2005 Intel Corporation
* Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
* - Added _PDC for platforms with Intel CPUs
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/acpi.h>
#include <acpi/processor.h>
#include <asm/acpi.h>
static void init_intel_pdc(struct acpi_processor *pr)
{
struct acpi_object_list *obj_list;
union acpi_object *obj;
u32 *buf;
/* allocate and initialize pdc. It will be used later. */
obj_list = kmalloc(sizeof(struct acpi_object_list), GFP_KERNEL);
if (!obj_list) {
printk(KERN_ERR "Memory allocation error\n");
return;
}
obj = kmalloc(sizeof(union acpi_object), GFP_KERNEL);
if (!obj) {
printk(KERN_ERR "Memory allocation error\n");
kfree(obj_list);
return;
}
buf = kmalloc(12, GFP_KERNEL);
if (!buf) {
printk(KERN_ERR "Memory allocation error\n");
kfree(obj);
kfree(obj_list);
return;
}
buf[0] = ACPI_PDC_REVISION_ID;
buf[1] = 1;
buf[2] = ACPI_PDC_EST_CAPABILITY_SMP;
/*
* The default of PDC_SMP_T_SWCOORD bit is set for IA64 cpu so
* that OSPM is capable of native ACPI throttling software
* coordination using BIOS supplied _TSD info.
*/
buf[2] |= ACPI_PDC_SMP_T_SWCOORD;
obj->type = ACPI_TYPE_BUFFER;
obj->buffer.length = 12;
obj->buffer.pointer = (u8 *) buf;
obj_list->count = 1;
obj_list->pointer = obj;
pr->pdc = obj_list;
return;
}
/* Initialize _PDC data based on the CPU vendor */
void arch_acpi_processor_init_pdc(struct acpi_processor *pr)
{
pr->pdc = NULL;
init_intel_pdc(pr);
return;
}
EXPORT_SYMBOL(arch_acpi_processor_init_pdc);
void arch_acpi_processor_cleanup_pdc(struct acpi_processor *pr)
{
if (pr->pdc) {
kfree(pr->pdc->pointer->buffer.pointer);
kfree(pr->pdc->pointer);
kfree(pr->pdc);
pr->pdc = NULL;
}
}
EXPORT_SYMBOL(arch_acpi_processor_cleanup_pdc);

View file

@ -142,6 +142,32 @@ static inline unsigned int acpi_processor_cstate_check(unsigned int max_cstate)
return max_cstate;
}
static inline bool arch_has_acpi_pdc(void)
{
struct cpuinfo_x86 *c = &cpu_data(0);
return (c->x86_vendor == X86_VENDOR_INTEL ||
c->x86_vendor == X86_VENDOR_CENTAUR);
}
static inline void arch_acpi_set_pdc_bits(u32 *buf)
{
struct cpuinfo_x86 *c = &cpu_data(0);
buf[2] |= ACPI_PDC_C_CAPABILITY_SMP;
if (cpu_has(c, X86_FEATURE_EST))
buf[2] |= ACPI_PDC_EST_CAPABILITY_SWSMP;
if (cpu_has(c, X86_FEATURE_ACPI))
buf[2] |= ACPI_PDC_T_FFH;
/*
* If mwait/monitor is unsupported, C2/C3_FFH will be disabled
*/
if (!cpu_has(c, X86_FEATURE_MWAIT))
buf[2] &= ~(ACPI_PDC_C_C2C3_FFH);
}
#else /* !CONFIG_ACPI */
#define acpi_lapic 0

View file

@ -4,7 +4,7 @@ obj-$(CONFIG_ACPI) += boot.o
obj-$(CONFIG_ACPI_SLEEP) += sleep.o wakeup_rm.o wakeup_$(BITS).o
ifneq ($(CONFIG_ACPI_PROCESSOR),)
obj-y += cstate.o processor.o
obj-y += cstate.o
endif
$(obj)/wakeup_rm.o: $(obj)/realmode/wakeup.bin

View file

@ -1,101 +0,0 @@
/*
* Copyright (C) 2005 Intel Corporation
* Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
* - Added _PDC for platforms with Intel CPUs
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/acpi.h>
#include <acpi/processor.h>
#include <asm/acpi.h>
static void init_intel_pdc(struct acpi_processor *pr, struct cpuinfo_x86 *c)
{
struct acpi_object_list *obj_list;
union acpi_object *obj;
u32 *buf;
/* allocate and initialize pdc. It will be used later. */
obj_list = kmalloc(sizeof(struct acpi_object_list), GFP_KERNEL);
if (!obj_list) {
printk(KERN_ERR "Memory allocation error\n");
return;
}
obj = kmalloc(sizeof(union acpi_object), GFP_KERNEL);
if (!obj) {
printk(KERN_ERR "Memory allocation error\n");
kfree(obj_list);
return;
}
buf = kmalloc(12, GFP_KERNEL);
if (!buf) {
printk(KERN_ERR "Memory allocation error\n");
kfree(obj);
kfree(obj_list);
return;
}
buf[0] = ACPI_PDC_REVISION_ID;
buf[1] = 1;
buf[2] = ACPI_PDC_C_CAPABILITY_SMP;
/*
* The default of PDC_SMP_T_SWCOORD bit is set for intel x86 cpu so
* that OSPM is capable of native ACPI throttling software
* coordination using BIOS supplied _TSD info.
*/
buf[2] |= ACPI_PDC_SMP_T_SWCOORD;
if (cpu_has(c, X86_FEATURE_EST))
buf[2] |= ACPI_PDC_EST_CAPABILITY_SWSMP;
if (cpu_has(c, X86_FEATURE_ACPI))
buf[2] |= ACPI_PDC_T_FFH;
/*
* If mwait/monitor is unsupported, C2/C3_FFH will be disabled
*/
if (!cpu_has(c, X86_FEATURE_MWAIT))
buf[2] &= ~(ACPI_PDC_C_C2C3_FFH);
obj->type = ACPI_TYPE_BUFFER;
obj->buffer.length = 12;
obj->buffer.pointer = (u8 *) buf;
obj_list->count = 1;
obj_list->pointer = obj;
pr->pdc = obj_list;
return;
}
/* Initialize _PDC data based on the CPU vendor */
void arch_acpi_processor_init_pdc(struct acpi_processor *pr)
{
struct cpuinfo_x86 *c = &cpu_data(pr->id);
pr->pdc = NULL;
if (c->x86_vendor == X86_VENDOR_INTEL ||
c->x86_vendor == X86_VENDOR_CENTAUR)
init_intel_pdc(pr, c);
return;
}
EXPORT_SYMBOL(arch_acpi_processor_init_pdc);
void arch_acpi_processor_cleanup_pdc(struct acpi_processor *pr)
{
if (pr->pdc) {
kfree(pr->pdc->pointer->buffer.pointer);
kfree(pr->pdc->pointer);
kfree(pr->pdc);
pr->pdc = NULL;
}
}
EXPORT_SYMBOL(arch_acpi_processor_cleanup_pdc);

View file

@ -190,9 +190,11 @@ static void do_drv_write(void *_cmd)
static void drv_read(struct drv_cmd *cmd)
{
int err;
cmd->val = 0;
smp_call_function_single(cpumask_any(cmd->mask), do_drv_read, cmd, 1);
err = smp_call_function_any(cmd->mask, do_drv_read, cmd, 1);
WARN_ON_ONCE(err); /* smp_call_function_any() was buggy? */
}
static void drv_write(struct drv_cmd *cmd)

View file

@ -32,6 +32,7 @@ acpi-$(CONFIG_ACPI_SLEEP) += proc.o
#
acpi-y += bus.o glue.o
acpi-y += scan.o
acpi-y += processor_pdc.o
acpi-y += ec.o
acpi-$(CONFIG_ACPI_DOCK) += dock.o
acpi-y += pci_root.o pci_link.o pci_irq.o pci_bind.o

View file

@ -185,6 +185,12 @@ static int __init dmi_disable_osi_vista(const struct dmi_system_id *d)
acpi_osi_setup("!Windows 2006");
return 0;
}
static int __init dmi_disable_osi_win7(const struct dmi_system_id *d)
{
printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident);
acpi_osi_setup("!Windows 2009");
return 0;
}
static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
{
@ -211,6 +217,14 @@ static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
DMI_MATCH(DMI_PRODUCT_NAME, "Sony VGN-SR290J"),
},
},
{
.callback = dmi_disable_osi_win7,
.ident = "ASUS K50IJ",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "K50IJ"),
},
},
/*
* BIOS invocation of _OSI(Linux) is almost always a BIOS bug.

View file

@ -397,6 +397,7 @@ acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context)
union acpi_object *out_obj;
u8 uuid[16];
u32 errors;
struct acpi_buffer output = {ACPI_ALLOCATE_BUFFER, NULL};
if (!context)
return AE_ERROR;
@ -419,16 +420,16 @@ acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context)
in_params[3].buffer.length = context->cap.length;
in_params[3].buffer.pointer = context->cap.pointer;
status = acpi_evaluate_object(handle, "_OSC", &input, &context->ret);
status = acpi_evaluate_object(handle, "_OSC", &input, &output);
if (ACPI_FAILURE(status))
return status;
/* return buffer should have the same length as cap buffer */
if (context->ret.length != context->cap.length)
if (!output.length)
return AE_NULL_OBJECT;
out_obj = context->ret.pointer;
if (out_obj->type != ACPI_TYPE_BUFFER) {
out_obj = output.pointer;
if (out_obj->type != ACPI_TYPE_BUFFER
|| out_obj->buffer.length != context->cap.length) {
acpi_print_osc_error(handle, context,
"_OSC evaluation returned wrong type");
status = AE_TYPE;
@ -457,11 +458,20 @@ acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context)
goto out_kfree;
}
out_success:
return AE_OK;
context->ret.length = out_obj->buffer.length;
context->ret.pointer = kmalloc(context->ret.length, GFP_KERNEL);
if (!context->ret.pointer) {
status = AE_NO_MEMORY;
goto out_kfree;
}
memcpy(context->ret.pointer, out_obj->buffer.pointer,
context->ret.length);
status = AE_OK;
out_kfree:
kfree(context->ret.pointer);
context->ret.pointer = NULL;
kfree(output.pointer);
if (status != AE_OK)
context->ret.pointer = NULL;
return status;
}
EXPORT_SYMBOL(acpi_run_osc);
@ -888,6 +898,8 @@ static int __init acpi_bus_init(void)
goto error1;
}
acpi_early_processor_set_pdc();
/*
* Maybe EC region is required at bus_scan/acpi_get_devices. So it
* is necessary to enable it as early as possible.

View file

@ -916,6 +916,7 @@ static int ec_validate_ecdt(const struct dmi_system_id *id)
/* MSI EC needs special treatment, enable it */
static int ec_flag_msi(const struct dmi_system_id *id)
{
printk(KERN_DEBUG PREFIX "Detected MSI hardware, enabling workarounds.\n");
EC_FLAGS_MSI = 1;
EC_FLAGS_VALIDATE_ECDT = 1;
return 0;
@ -928,8 +929,13 @@ static struct dmi_system_id __initdata ec_dmi_table[] = {
DMI_MATCH(DMI_BOARD_NAME, "JFL92") }, NULL},
{
ec_flag_msi, "MSI hardware", {
DMI_MATCH(DMI_BIOS_VENDOR, "Micro-Star"),
DMI_MATCH(DMI_CHASSIS_VENDOR, "MICRO-Star") }, NULL},
DMI_MATCH(DMI_BIOS_VENDOR, "Micro-Star")}, NULL},
{
ec_flag_msi, "MSI hardware", {
DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star")}, NULL},
{
ec_flag_msi, "MSI hardware", {
DMI_MATCH(DMI_CHASSIS_VENDOR, "MICRO-Star")}, NULL},
{
ec_validate_ecdt, "ASUS hardware", {
DMI_MATCH(DMI_BIOS_VENDOR, "ASUS") }, NULL},

View file

@ -43,6 +43,7 @@ int acpi_power_transition(struct acpi_device *device, int state);
extern int acpi_power_nocheck;
int acpi_wakeup_device_init(void);
void acpi_early_processor_set_pdc(void);
/* --------------------------------------------------------------------------
Embedded Controller

View file

@ -124,29 +124,6 @@ static const struct file_operations acpi_processor_info_fops = {
DEFINE_PER_CPU(struct acpi_processor *, processors);
struct acpi_processor_errata errata __read_mostly;
static int set_no_mwait(const struct dmi_system_id *id)
{
printk(KERN_NOTICE PREFIX "%s detected - "
"disabling mwait for CPU C-states\n", id->ident);
idle_nomwait = 1;
return 0;
}
static struct dmi_system_id __cpuinitdata processor_idle_dmi_table[] = {
{
set_no_mwait, "IFL91 board", {
DMI_MATCH(DMI_BIOS_VENDOR, "COMPAL"),
DMI_MATCH(DMI_SYS_VENDOR, "ZEPTO"),
DMI_MATCH(DMI_PRODUCT_VERSION, "3215W"),
DMI_MATCH(DMI_BOARD_NAME, "IFL91") }, NULL},
{
set_no_mwait, "Extensa 5220", {
DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies LTD"),
DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
DMI_MATCH(DMI_PRODUCT_VERSION, "0100"),
DMI_MATCH(DMI_BOARD_NAME, "Columbia") }, NULL},
{},
};
/* --------------------------------------------------------------------------
Errata Handling
@ -276,45 +253,6 @@ static int acpi_processor_errata(struct acpi_processor *pr)
return result;
}
/* --------------------------------------------------------------------------
Common ACPI processor functions
-------------------------------------------------------------------------- */
/*
* _PDC is required for a BIOS-OS handshake for most of the newer
* ACPI processor features.
*/
static int acpi_processor_set_pdc(struct acpi_processor *pr)
{
struct acpi_object_list *pdc_in = pr->pdc;
acpi_status status = AE_OK;
if (!pdc_in)
return status;
if (idle_nomwait) {
/*
* If mwait is disabled for CPU C-states, the C2C3_FFH access
* mode will be disabled in the parameter of _PDC object.
* Of course C1_FFH access mode will also be disabled.
*/
union acpi_object *obj;
u32 *buffer = NULL;
obj = pdc_in->pointer;
buffer = (u32 *)(obj->buffer.pointer);
buffer[2] &= ~(ACPI_PDC_C_C2C3_FFH | ACPI_PDC_C_C1_FFH);
}
status = acpi_evaluate_object(pr->handle, "_PDC", pdc_in, NULL);
if (ACPI_FAILURE(status))
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Could not evaluate _PDC, using legacy perf. control...\n"));
return status;
}
/* --------------------------------------------------------------------------
FS Interface (/proc)
-------------------------------------------------------------------------- */
@ -825,9 +763,7 @@ static int __cpuinit acpi_processor_add(struct acpi_device *device)
}
/* _PDC call should be done before doing anything else (if reqd.). */
arch_acpi_processor_init_pdc(pr);
acpi_processor_set_pdc(pr);
arch_acpi_processor_cleanup_pdc(pr);
acpi_processor_set_pdc(pr->handle);
#ifdef CONFIG_CPU_FREQ
acpi_processor_ppc_has_changed(pr, 0);
@ -1145,11 +1081,6 @@ static int __init acpi_processor_init(void)
if (!acpi_processor_dir)
return -ENOMEM;
#endif
/*
* Check whether the system is DMI table. If yes, OSPM
* should not use mwait for CPU-states.
*/
dmi_check_system(processor_idle_dmi_table);
result = cpuidle_register_driver(&acpi_idle_driver);
if (result < 0)
goto out_proc;

View file

@ -0,0 +1,165 @@
/*
* Copyright (C) 2005 Intel Corporation
* Copyright (C) 2009 Hewlett-Packard Development Company, L.P.
*
* Alex Chiang <achiang@hp.com>
* - Unified x86/ia64 implementations
* Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
* - Added _PDC for platforms with Intel CPUs
*/
#include <linux/dmi.h>
#include <acpi/acpi_drivers.h>
#include <acpi/processor.h>
#include "internal.h"
#define PREFIX "ACPI: "
#define _COMPONENT ACPI_PROCESSOR_COMPONENT
ACPI_MODULE_NAME("processor_pdc");
static int set_no_mwait(const struct dmi_system_id *id)
{
printk(KERN_NOTICE PREFIX "%s detected - "
"disabling mwait for CPU C-states\n", id->ident);
idle_nomwait = 1;
return 0;
}
static struct dmi_system_id __cpuinitdata processor_idle_dmi_table[] = {
{
set_no_mwait, "IFL91 board", {
DMI_MATCH(DMI_BIOS_VENDOR, "COMPAL"),
DMI_MATCH(DMI_SYS_VENDOR, "ZEPTO"),
DMI_MATCH(DMI_PRODUCT_VERSION, "3215W"),
DMI_MATCH(DMI_BOARD_NAME, "IFL91") }, NULL},
{
set_no_mwait, "Extensa 5220", {
DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies LTD"),
DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
DMI_MATCH(DMI_PRODUCT_VERSION, "0100"),
DMI_MATCH(DMI_BOARD_NAME, "Columbia") }, NULL},
{},
};
static void acpi_set_pdc_bits(u32 *buf)
{
buf[0] = ACPI_PDC_REVISION_ID;
buf[1] = 1;
/* Enable coordination with firmware's _TSD info */
buf[2] = ACPI_PDC_SMP_T_SWCOORD;
/* Twiddle arch-specific bits needed for _PDC */
arch_acpi_set_pdc_bits(buf);
}
static struct acpi_object_list *acpi_processor_alloc_pdc(void)
{
struct acpi_object_list *obj_list;
union acpi_object *obj;
u32 *buf;
/* allocate and initialize pdc. It will be used later. */
obj_list = kmalloc(sizeof(struct acpi_object_list), GFP_KERNEL);
if (!obj_list) {
printk(KERN_ERR "Memory allocation error\n");
return NULL;
}
obj = kmalloc(sizeof(union acpi_object), GFP_KERNEL);
if (!obj) {
printk(KERN_ERR "Memory allocation error\n");
kfree(obj_list);
return NULL;
}
buf = kmalloc(12, GFP_KERNEL);
if (!buf) {
printk(KERN_ERR "Memory allocation error\n");
kfree(obj);
kfree(obj_list);
return NULL;
}
acpi_set_pdc_bits(buf);
obj->type = ACPI_TYPE_BUFFER;
obj->buffer.length = 12;
obj->buffer.pointer = (u8 *) buf;
obj_list->count = 1;
obj_list->pointer = obj;
return obj_list;
}
/*
* _PDC is required for a BIOS-OS handshake for most of the newer
* ACPI processor features.
*/
static int
acpi_processor_eval_pdc(acpi_handle handle, struct acpi_object_list *pdc_in)
{
acpi_status status = AE_OK;
if (idle_nomwait) {
/*
* If mwait is disabled for CPU C-states, the C2C3_FFH access
* mode will be disabled in the parameter of _PDC object.
* Of course C1_FFH access mode will also be disabled.
*/
union acpi_object *obj;
u32 *buffer = NULL;
obj = pdc_in->pointer;
buffer = (u32 *)(obj->buffer.pointer);
buffer[2] &= ~(ACPI_PDC_C_C2C3_FFH | ACPI_PDC_C_C1_FFH);
}
status = acpi_evaluate_object(handle, "_PDC", pdc_in, NULL);
if (ACPI_FAILURE(status))
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Could not evaluate _PDC, using legacy perf. control.\n"));
return status;
}
void acpi_processor_set_pdc(acpi_handle handle)
{
struct acpi_object_list *obj_list;
if (arch_has_acpi_pdc() == false)
return;
obj_list = acpi_processor_alloc_pdc();
if (!obj_list)
return;
acpi_processor_eval_pdc(handle, obj_list);
kfree(obj_list->pointer->buffer.pointer);
kfree(obj_list->pointer);
kfree(obj_list);
}
EXPORT_SYMBOL_GPL(acpi_processor_set_pdc);
static acpi_status
early_init_pdc(acpi_handle handle, u32 lvl, void *context, void **rv)
{
acpi_processor_set_pdc(handle);
return AE_OK;
}
void acpi_early_processor_set_pdc(void)
{
/*
* Check whether the system is DMI table. If yes, OSPM
* should not use mwait for CPU-states.
*/
dmi_check_system(processor_idle_dmi_table);
acpi_walk_namespace(ACPI_TYPE_PROCESSOR, ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX,
early_init_pdc, NULL, NULL, NULL);
}

View file

@ -40,7 +40,6 @@ config ATA_VERBOSE_ERROR
config ATA_ACPI
bool "ATA ACPI Support"
depends on ACPI && PCI
select ACPI_DOCK
default y
help
This option adds support for ATA-related ACPI objects.

View file

@ -464,4 +464,16 @@ config TOSHIBA_BT_RFKILL
If you have a modern Toshiba laptop with a Bluetooth and an
RFKill switch (such as the Portege R500), say Y.
config ACPI_CMPC
tristate "CMPC Laptop Extras"
depends on X86 && ACPI
select INPUT
select BACKLIGHT_CLASS_DEVICE
default n
help
Support for Intel Classmate PC ACPI devices, including some
keys as input device, backlight device, tablet and accelerometer
devices.
endif # X86_PLATFORM_DEVICES

View file

@ -5,6 +5,7 @@
obj-$(CONFIG_ASUS_LAPTOP) += asus-laptop.o
obj-$(CONFIG_EEEPC_LAPTOP) += eeepc-laptop.o
obj-$(CONFIG_MSI_LAPTOP) += msi-laptop.o
obj-$(CONFIG_ACPI_CMPC) += classmate-laptop.o
obj-$(CONFIG_COMPAL_LAPTOP) += compal-laptop.o
obj-$(CONFIG_DELL_LAPTOP) += dell-laptop.o
obj-$(CONFIG_DELL_WMI) += dell-wmi.o

View file

@ -96,9 +96,6 @@ struct acer_quirks {
MODULE_ALIAS("wmi:67C3371D-95A3-4C37-BB61-DD47B491DAAB");
MODULE_ALIAS("wmi:6AF4F258-B401-42fd-BE91-3D4AC2D7C0D3");
/* Temporary workaround until the WMI sysfs interface goes in */
MODULE_ALIAS("dmi:*:*Acer*:*:");
/*
* Interface capability flags
*/

View file

@ -52,7 +52,7 @@
*/
#undef START_IN_KERNEL_MODE
#define DRV_VER "0.5.20"
#define DRV_VER "0.5.22"
/*
* According to the Atom N270 datasheet,
@ -156,19 +156,25 @@ static const struct bios_settings_t bios_tbl[] = {
{"Acer", "AOA150", "v0.3310", 0x55, 0x58, {0x20, 0x20, 0x00} },
/* Acer 1410 */
{"Acer", "Aspire 1410", "v0.3120", 0x55, 0x58, {0x9e, 0x9e, 0x00} },
/* special BIOS / other */
{"Acer", "Aspire 1410", "v1.3303", 0x55, 0x58, {0x9e, 0x9e, 0x00} },
/* Acer 1810xx */
{"Acer", "Aspire 1810TZ", "v0.3120", 0x55, 0x58, {0x9e, 0x9e, 0x00} },
{"Acer", "Aspire 1810T", "v0.3120", 0x55, 0x58, {0x9e, 0x9e, 0x00} },
{"Acer", "Aspire 1810T", "v1.3303", 0x55, 0x58, {0x9e, 0x9e, 0x00} },
{"Acer", "Aspire 1810TZ", "v1.3303", 0x55, 0x58, {0x9e, 0x9e, 0x00} },
/* Gateway */
{"Gateway", "AOA110", "v0.3103", 0x55, 0x58, {0x21, 0x21, 0x00} },
{"Gateway", "AOA150", "v0.3103", 0x55, 0x58, {0x20, 0x20, 0x00} },
{"Gateway ", "LT31 ", "v1.3103 ", 0x55, 0x58,
{0x10, 0x0f, 0x00} },
{"Gateway ", "LT31 ", "v1.3201 ", 0x55, 0x58,
{0x10, 0x0f, 0x00} },
{"Gateway ", "LT31 ", "v1.3302 ", 0x55, 0x58,
{0x10, 0x0f, 0x00} },
{"Gateway", "LT31", "v1.3103", 0x55, 0x58, {0x10, 0x0f, 0x00} },
{"Gateway", "LT31", "v1.3201", 0x55, 0x58, {0x10, 0x0f, 0x00} },
{"Gateway", "LT31", "v1.3302", 0x55, 0x58, {0x10, 0x0f, 0x00} },
/* Packard Bell */
{"Packard Bell", "DOA150", "v0.3104", 0x55, 0x58, {0x21, 0x21, 0x00} },
{"Packard Bell", "DOA150", "v0.3105", 0x55, 0x58, {0x20, 0x20, 0x00} },
{"Packard Bell", "AOA110", "v0.3105", 0x55, 0x58, {0x21, 0x21, 0x00} },
{"Packard Bell", "AOA150", "v0.3105", 0x55, 0x58, {0x20, 0x20, 0x00} },
{"Packard Bell", "DOTMU", "v1.3303", 0x55, 0x58, {0x9e, 0x9e, 0x00} },
{"Packard Bell", "DOTMU", "v0.3120", 0x55, 0x58, {0x9e, 0x9e, 0x00} },
/* pewpew-terminator */
{"", "", "", 0, 0, {0, 0, 0} }
};
@ -486,13 +492,26 @@ static struct platform_driver acerhdf_driver = {
.remove = acerhdf_remove,
};
/* checks if str begins with start */
static int str_starts_with(const char *str, const char *start)
{
unsigned long str_len = 0, start_len = 0;
str_len = strlen(str);
start_len = strlen(start);
if (str_len >= start_len &&
!strncmp(str, start, start_len))
return 1;
return 0;
}
/* check hardware */
static int acerhdf_check_hardware(void)
{
char const *vendor, *version, *product;
int i;
unsigned long prod_len = 0;
const struct bios_settings_t *bt = NULL;
/* get BIOS data */
vendor = dmi_get_system_info(DMI_SYS_VENDOR);
@ -514,20 +533,20 @@ static int acerhdf_check_hardware(void)
kernelmode = 0;
}
prod_len = strlen(product);
if (verbose)
pr_info("BIOS info: %s %s, product: %s\n",
vendor, version, product);
/* search BIOS version and vendor in BIOS settings table */
for (i = 0; bios_tbl[i].version[0]; i++) {
if (strlen(bios_tbl[i].product) >= prod_len &&
!strncmp(bios_tbl[i].product, product,
strlen(bios_tbl[i].product)) &&
!strcmp(bios_tbl[i].vendor, vendor) &&
!strcmp(bios_tbl[i].version, version)) {
bios_cfg = &bios_tbl[i];
for (bt = bios_tbl; bt->vendor[0]; bt++) {
/*
* check if actual hardware BIOS vendor, product and version
* IDs start with the strings of BIOS table entry
*/
if (str_starts_with(vendor, bt->vendor) &&
str_starts_with(product, bt->product) &&
str_starts_with(version, bt->version)) {
bios_cfg = bt;
break;
}
}
@ -640,9 +659,14 @@ static void __exit acerhdf_exit(void)
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Peter Feuerer");
MODULE_DESCRIPTION("Aspire One temperature and fan driver");
MODULE_ALIAS("dmi:*:*Acer*:*:");
MODULE_ALIAS("dmi:*:*Gateway*:*:");
MODULE_ALIAS("dmi:*:*Packard Bell*:*:");
MODULE_ALIAS("dmi:*:*Acer*:pnAOA*:");
MODULE_ALIAS("dmi:*:*Acer*:pnAspire 1410*:");
MODULE_ALIAS("dmi:*:*Acer*:pnAspire 1810*:");
MODULE_ALIAS("dmi:*:*Gateway*:pnAOA*:");
MODULE_ALIAS("dmi:*:*Gateway*:pnLT31*:");
MODULE_ALIAS("dmi:*:*Packard Bell*:pnAOA*:");
MODULE_ALIAS("dmi:*:*Packard Bell*:pnDOA*:");
MODULE_ALIAS("dmi:*:*Packard Bell*:pnDOTMU*:");
module_init(acerhdf_init);
module_exit(acerhdf_exit);

View file

@ -35,6 +35,7 @@
#include <linux/init.h>
#include <linux/types.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/backlight.h>
#include <acpi/acpi_drivers.h>
#include <acpi/acpi_bus.h>
@ -513,26 +514,12 @@ static int read_acpi_int(acpi_handle handle, const char *method, int *val)
return (status == AE_OK) && (out_obj.type == ACPI_TYPE_INTEGER);
}
/*
* We write our info in page, we begin at offset off and cannot write more
* than count bytes. We set eof to 1 if we handle those 2 values. We return the
* number of bytes written in page
*/
static int
proc_read_info(char *page, char **start, off_t off, int count, int *eof,
void *data)
static int asus_info_proc_show(struct seq_file *m, void *v)
{
int len = 0;
int temp;
char buf[16]; /* enough for all info */
/*
* We use the easy way, we don't care of off and count,
* so we don't set eof to 1
*/
len += sprintf(page, ACPI_HOTK_NAME " " ASUS_ACPI_VERSION "\n");
len += sprintf(page + len, "Model reference : %s\n",
hotk->methods->name);
seq_printf(m, ACPI_HOTK_NAME " " ASUS_ACPI_VERSION "\n");
seq_printf(m, "Model reference : %s\n", hotk->methods->name);
/*
* The SFUN method probably allows the original driver to get the list
* of features supported by a given model. For now, 0x0100 or 0x0800
@ -540,8 +527,7 @@ proc_read_info(char *page, char **start, off_t off, int count, int *eof,
* The significance of others is yet to be found.
*/
if (read_acpi_int(hotk->handle, "SFUN", &temp))
len +=
sprintf(page + len, "SFUN value : 0x%04x\n", temp);
seq_printf(m, "SFUN value : 0x%04x\n", temp);
/*
* Another value for userspace: the ASYM method returns 0x02 for
* battery low and 0x04 for battery critical, its readings tend to be
@ -550,30 +536,34 @@ proc_read_info(char *page, char **start, off_t off, int count, int *eof,
* silently ignored.
*/
if (read_acpi_int(hotk->handle, "ASYM", &temp))
len +=
sprintf(page + len, "ASYM value : 0x%04x\n", temp);
seq_printf(m, "ASYM value : 0x%04x\n", temp);
if (asus_info) {
snprintf(buf, 16, "%d", asus_info->length);
len += sprintf(page + len, "DSDT length : %s\n", buf);
snprintf(buf, 16, "%d", asus_info->checksum);
len += sprintf(page + len, "DSDT checksum : %s\n", buf);
snprintf(buf, 16, "%d", asus_info->revision);
len += sprintf(page + len, "DSDT revision : %s\n", buf);
snprintf(buf, 7, "%s", asus_info->oem_id);
len += sprintf(page + len, "OEM id : %s\n", buf);
snprintf(buf, 9, "%s", asus_info->oem_table_id);
len += sprintf(page + len, "OEM table id : %s\n", buf);
snprintf(buf, 16, "%x", asus_info->oem_revision);
len += sprintf(page + len, "OEM revision : 0x%s\n", buf);
snprintf(buf, 5, "%s", asus_info->asl_compiler_id);
len += sprintf(page + len, "ASL comp vendor id : %s\n", buf);
snprintf(buf, 16, "%x", asus_info->asl_compiler_revision);
len += sprintf(page + len, "ASL comp revision : 0x%s\n", buf);
seq_printf(m, "DSDT length : %d\n", asus_info->length);
seq_printf(m, "DSDT checksum : %d\n", asus_info->checksum);
seq_printf(m, "DSDT revision : %d\n", asus_info->revision);
seq_printf(m, "OEM id : %.*s\n", ACPI_OEM_ID_SIZE, asus_info->oem_id);
seq_printf(m, "OEM table id : %.*s\n", ACPI_OEM_TABLE_ID_SIZE, asus_info->oem_table_id);
seq_printf(m, "OEM revision : 0x%x\n", asus_info->oem_revision);
seq_printf(m, "ASL comp vendor id : %.*s\n", ACPI_NAME_SIZE, asus_info->asl_compiler_id);
seq_printf(m, "ASL comp revision : 0x%x\n", asus_info->asl_compiler_revision);
}
return len;
return 0;
}
static int asus_info_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, asus_info_proc_show, NULL);
}
static const struct file_operations asus_info_proc_fops = {
.owner = THIS_MODULE,
.open = asus_info_proc_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
/*
* /proc handlers
* We write our info in page, we begin at offset off and cannot write more
@ -639,34 +629,48 @@ write_led(const char __user *buffer, unsigned long count,
/*
* Proc handlers for MLED
*/
static int
proc_read_mled(char *page, char **start, off_t off, int count, int *eof,
void *data)
static int mled_proc_show(struct seq_file *m, void *v)
{
return sprintf(page, "%d\n",
read_led(hotk->methods->mled_status, MLED_ON));
seq_printf(m, "%d\n", read_led(hotk->methods->mled_status, MLED_ON));
return 0;
}
static int
proc_write_mled(struct file *file, const char __user *buffer,
unsigned long count, void *data)
static int mled_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, mled_proc_show, NULL);
}
static ssize_t mled_proc_write(struct file *file, const char __user *buffer,
size_t count, loff_t *pos)
{
return write_led(buffer, count, hotk->methods->mt_mled, MLED_ON, 1);
}
static const struct file_operations mled_proc_fops = {
.owner = THIS_MODULE,
.open = mled_proc_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
.write = mled_proc_write,
};
/*
* Proc handlers for LED display
*/
static int
proc_read_ledd(char *page, char **start, off_t off, int count, int *eof,
void *data)
static int ledd_proc_show(struct seq_file *m, void *v)
{
return sprintf(page, "0x%08x\n", hotk->ledd_status);
seq_printf(m, "0x%08x\n", hotk->ledd_status);
return 0;
}
static int
proc_write_ledd(struct file *file, const char __user *buffer,
unsigned long count, void *data)
static int ledd_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, ledd_proc_show, NULL);
}
static ssize_t ledd_proc_write(struct file *file, const char __user *buffer,
size_t count, loff_t *pos)
{
int rv, value;
@ -682,61 +686,104 @@ proc_write_ledd(struct file *file, const char __user *buffer,
return rv;
}
static const struct file_operations ledd_proc_fops = {
.owner = THIS_MODULE,
.open = ledd_proc_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
.write = ledd_proc_write,
};
/*
* Proc handlers for WLED
*/
static int
proc_read_wled(char *page, char **start, off_t off, int count, int *eof,
void *data)
static int wled_proc_show(struct seq_file *m, void *v)
{
return sprintf(page, "%d\n",
read_led(hotk->methods->wled_status, WLED_ON));
seq_printf(m, "%d\n", read_led(hotk->methods->wled_status, WLED_ON));
return 0;
}
static int
proc_write_wled(struct file *file, const char __user *buffer,
unsigned long count, void *data)
static int wled_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, wled_proc_show, NULL);
}
static ssize_t wled_proc_write(struct file *file, const char __user *buffer,
size_t count, loff_t *pos)
{
return write_led(buffer, count, hotk->methods->mt_wled, WLED_ON, 0);
}
static const struct file_operations wled_proc_fops = {
.owner = THIS_MODULE,
.open = wled_proc_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
.write = wled_proc_write,
};
/*
* Proc handlers for Bluetooth
*/
static int
proc_read_bluetooth(char *page, char **start, off_t off, int count, int *eof,
void *data)
static int bluetooth_proc_show(struct seq_file *m, void *v)
{
return sprintf(page, "%d\n", read_led(hotk->methods->bt_status, BT_ON));
seq_printf(m, "%d\n", read_led(hotk->methods->bt_status, BT_ON));
return 0;
}
static int
proc_write_bluetooth(struct file *file, const char __user *buffer,
unsigned long count, void *data)
static int bluetooth_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, bluetooth_proc_show, NULL);
}
static ssize_t bluetooth_proc_write(struct file *file,
const char __user *buffer, size_t count, loff_t *pos)
{
/* Note: mt_bt_switch controls both internal Bluetooth adapter's
presence and its LED */
return write_led(buffer, count, hotk->methods->mt_bt_switch, BT_ON, 0);
}
static const struct file_operations bluetooth_proc_fops = {
.owner = THIS_MODULE,
.open = bluetooth_proc_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
.write = bluetooth_proc_write,
};
/*
* Proc handlers for TLED
*/
static int
proc_read_tled(char *page, char **start, off_t off, int count, int *eof,
void *data)
static int tled_proc_show(struct seq_file *m, void *v)
{
return sprintf(page, "%d\n",
read_led(hotk->methods->tled_status, TLED_ON));
seq_printf(m, "%d\n", read_led(hotk->methods->tled_status, TLED_ON));
return 0;
}
static int
proc_write_tled(struct file *file, const char __user *buffer,
unsigned long count, void *data)
static int tled_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, tled_proc_show, NULL);
}
static ssize_t tled_proc_write(struct file *file, const char __user *buffer,
size_t count, loff_t *pos)
{
return write_led(buffer, count, hotk->methods->mt_tled, TLED_ON, 0);
}
static const struct file_operations tled_proc_fops = {
.owner = THIS_MODULE,
.open = tled_proc_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
.write = tled_proc_write,
};
static int get_lcd_state(void)
{
int lcd = 0;
@ -829,16 +876,19 @@ static int set_lcd_state(int value)
}
static int
proc_read_lcd(char *page, char **start, off_t off, int count, int *eof,
void *data)
static int lcd_proc_show(struct seq_file *m, void *v)
{
return sprintf(page, "%d\n", get_lcd_state());
seq_printf(m, "%d\n", get_lcd_state());
return 0;
}
static int
proc_write_lcd(struct file *file, const char __user *buffer,
unsigned long count, void *data)
static int lcd_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, lcd_proc_show, NULL);
}
static ssize_t lcd_proc_write(struct file *file, const char __user *buffer,
size_t count, loff_t *pos)
{
int rv, value;
@ -848,6 +898,15 @@ proc_write_lcd(struct file *file, const char __user *buffer,
return rv;
}
static const struct file_operations lcd_proc_fops = {
.owner = THIS_MODULE,
.open = lcd_proc_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
.write = lcd_proc_write,
};
static int read_brightness(struct backlight_device *bd)
{
int value;
@ -907,16 +966,19 @@ static int set_brightness_status(struct backlight_device *bd)
return set_brightness(bd->props.brightness);
}
static int
proc_read_brn(char *page, char **start, off_t off, int count, int *eof,
void *data)
static int brn_proc_show(struct seq_file *m, void *v)
{
return sprintf(page, "%d\n", read_brightness(NULL));
seq_printf(m, "%d\n", read_brightness(NULL));
return 0;
}
static int
proc_write_brn(struct file *file, const char __user *buffer,
unsigned long count, void *data)
static int brn_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, brn_proc_show, NULL);
}
static ssize_t brn_proc_write(struct file *file, const char __user *buffer,
size_t count, loff_t *pos)
{
int rv, value;
@ -929,6 +991,15 @@ proc_write_brn(struct file *file, const char __user *buffer,
return rv;
}
static const struct file_operations brn_proc_fops = {
.owner = THIS_MODULE,
.open = brn_proc_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
.write = brn_proc_write,
};
static void set_display(int value)
{
/* no sanity check needed for now */
@ -942,9 +1013,7 @@ static void set_display(int value)
* Now, *this* one could be more user-friendly, but so far, no-one has
* complained. The significance of bits is the same as in proc_write_disp()
*/
static int
proc_read_disp(char *page, char **start, off_t off, int count, int *eof,
void *data)
static int disp_proc_show(struct seq_file *m, void *v)
{
int value = 0;
@ -952,7 +1021,13 @@ proc_read_disp(char *page, char **start, off_t off, int count, int *eof,
printk(KERN_WARNING
"Asus ACPI: Error reading display status\n");
value &= 0x07; /* needed for some models, shouldn't hurt others */
return sprintf(page, "%d\n", value);
seq_printf(m, "%d\n", value);
return 0;
}
static int disp_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, disp_proc_show, NULL);
}
/*
@ -961,9 +1036,8 @@ proc_read_disp(char *page, char **start, off_t off, int count, int *eof,
* (bitwise) of these will suffice. I never actually tested 3 displays hooked
* up simultaneously, so be warned. See the acpi4asus README for more info.
*/
static int
proc_write_disp(struct file *file, const char __user *buffer,
unsigned long count, void *data)
static ssize_t disp_proc_write(struct file *file, const char __user *buffer,
size_t count, loff_t *pos)
{
int rv, value;