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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
parent 45e62974fb fcb11235d3
commit 71492fd1bd
32 changed files with 1435 additions and 667 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
MAINTAINERS
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

6
arch/ia64/include/asm/acpi.h
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

4
arch/ia64/kernel/Makefile
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

85
arch/ia64/kernel/acpi-processor.c
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);

26
arch/x86/include/asm/acpi.h
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

2
arch/x86/kernel/acpi/Makefile
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

101
arch/x86/kernel/acpi/processor.c
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);

4
arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
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)

1
drivers/acpi/Makefile
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

14
drivers/acpi/blacklist.c
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.

26
drivers/acpi/bus.c
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;
@ -457,10 +458,19 @@ 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);
kfree(output.pointer);
if (status != AE_OK)
context->ret.pointer = NULL;
return status;
}
@ -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.

8
drivers/acpi/ec.c
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;
@ -928,7 +929,12 @@ 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_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", {

1
drivers/acpi/internal.h
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

71
drivers/acpi/processor_core.c
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;

165
drivers/acpi/processor_pdc.c Normal file
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);
}

1
drivers/ata/Kconfig
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.

12
drivers/platform/x86/Kconfig
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

1
drivers/platform/x86/Makefile
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

3
drivers/platform/x86/acer-wmi.c
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
*/

68
drivers/platform/x86/acerhdf.c
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);

321
drivers/platform/x86/asus_acpi.c
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;
@ -973,25 +1047,27 @@ proc_write_disp(struct file *file, const char __user *buffer,
return rv;
}
typedef int (proc_readfunc) (char *page, char **start, off_t off, int count,
int *eof, void *data);
typedef int (proc_writefunc) (struct file *file, const char __user *buffer,
unsigned long count, void *data);
static const struct file_operations disp_proc_fops = {
.owner = THIS_MODULE,
.open = disp_proc_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
.write = disp_proc_write,
};
static int
asus_proc_add(char *name, proc_writefunc *writefunc,
proc_readfunc *readfunc, mode_t mode,
asus_proc_add(char *name, const struct file_operations *proc_fops, mode_t mode,
struct acpi_device *device)
{
struct proc_dir_entry *proc =
create_proc_entry(name, mode, acpi_device_dir(device));
struct proc_dir_entry *proc;
proc = proc_create_data(name, mode, acpi_device_dir(device),
proc_fops, acpi_driver_data(device));
if (!proc) {
printk(KERN_WARNING " Unable to create %s fs entry\n", name);
return -1;
}
proc->write_proc = writefunc;
proc->read_proc = readfunc;
proc->data = acpi_driver_data(device);
proc->uid = asus_uid;
proc->gid = asus_gid;
return 0;
@ -1020,10 +1096,9 @@ static int asus_hotk_add_fs(struct acpi_device *device)
if (!acpi_device_dir(device))
return -ENODEV;
proc = create_proc_entry(PROC_INFO, mode, acpi_device_dir(device));
proc = proc_create(PROC_INFO, mode, acpi_device_dir(device),
&asus_info_proc_fops);
if (proc) {
proc->read_proc = proc_read_info;
proc->data = acpi_driver_data(device);
proc->uid = asus_uid;
proc->gid = asus_gid;
} else {
@ -1032,28 +1107,23 @@ static int asus_hotk_add_fs(struct acpi_device *device)
}
if (hotk->methods->mt_wled) {
asus_proc_add(PROC_WLED, &proc_write_wled, &proc_read_wled,
mode, device);
asus_proc_add(PROC_WLED, &wled_proc_fops, mode, device);
}
if (hotk->methods->mt_ledd) {
asus_proc_add(PROC_LEDD, &proc_write_ledd, &proc_read_ledd,
mode, device);
asus_proc_add(PROC_LEDD, &ledd_proc_fops, mode, device);
}
if (hotk->methods->mt_mled) {
asus_proc_add(PROC_MLED, &proc_write_mled, &proc_read_mled,
mode, device);
asus_proc_add(PROC_MLED, &mled_proc_fops, mode, device);
}
if (hotk->methods->mt_tled) {
asus_proc_add(PROC_TLED, &proc_write_tled, &proc_read_tled,
mode, device);
asus_proc_add(PROC_TLED, &tled_proc_fops, mode, device);
}
if (hotk->methods->mt_bt_switch) {
asus_proc_add(PROC_BT, &proc_write_bluetooth,
&proc_read_bluetooth, mode, device);
asus_proc_add(PROC_BT, &bluetooth_proc_fops, mode, device);
}
/*
@ -1061,19 +1131,16 @@ static int asus_hotk_add_fs(struct acpi_device *device)
* accessible from the keyboard
*/
if (hotk->methods->mt_lcd_switch && hotk->methods->lcd_status) {
asus_proc_add(PROC_LCD, &proc_write_lcd, &proc_read_lcd, mode,
device);
asus_proc_add(PROC_LCD, &lcd_proc_fops, mode, device);
}
if ((hotk->methods->brightness_up && hotk->methods->brightness_down) ||
(hotk->methods->brightness_get && hotk->methods->brightness_set)) {
asus_proc_add(PROC_BRN, &proc_write_brn, &proc_read_brn, mode,
device);
asus_proc_add(PROC_BRN, &brn_proc_fops, mode, device);
}
if (hotk->methods->display_set) {
asus_proc_add(PROC_DISP, &proc_write_disp, &proc_read_disp,
mode, device);
asus_proc_add(PROC_DISP, &disp_proc_fops, mode, device);
}
return 0;

609
drivers/platform/x86/classmate-laptop.c Normal file
View File

@ -0,0 +1,609 @@
/*
* Copyright (C) 2009 Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <linux/init.h>
#include <linux/module.h>
#include <linux/workqueue.h>
#include <acpi/acpi_drivers.h>
#include <linux/backlight.h>
#include <linux/input.h>
MODULE_LICENSE("GPL");
struct cmpc_accel {
int sensitivity;
};
#define CMPC_ACCEL_SENSITIVITY_DEFAULT 5
/*
* Generic input device code.
*/
typedef void (*input_device_init)(struct input_dev *dev);
static int cmpc_add_acpi_notify_device(struct acpi_device *acpi, char *name,
input_device_init idev_init)
{
struct input_dev *inputdev;
int error;
inputdev = input_allocate_device();
if (!inputdev)
return -ENOMEM;
inputdev->name = name;
inputdev->dev.parent = &acpi->dev;
idev_init(inputdev);
error = input_register_device(inputdev);
if (error) {
input_free_device(inputdev);
return error;
}
dev_set_drvdata(&acpi->dev, inputdev);
return 0;
}
static int cmpc_remove_acpi_notify_device(struct acpi_device *acpi)
{
struct input_dev *inputdev = dev_get_drvdata(&acpi->dev);
input_unregister_device(inputdev);
return 0;
}
/*
* Accelerometer code.
*/
static acpi_status cmpc_start_accel(acpi_handle handle)
{
union acpi_object param[2];
struct acpi_object_list input;
acpi_status status;
param[0].type = ACPI_TYPE_INTEGER;
param[0].integer.value = 0x3;
param[1].type = ACPI_TYPE_INTEGER;
input.count = 2;
input.pointer = param;
status = acpi_evaluate_object(handle, "ACMD", &input, NULL);
return status;
}
static acpi_status cmpc_stop_accel(acpi_handle handle)
{
union acpi_object param[2];
struct acpi_object_list input;
acpi_status status;
param[0].type = ACPI_TYPE_INTEGER;
param[0].integer.value = 0x4;
param[1].type = ACPI_TYPE_INTEGER;
input.count = 2;
input.pointer = param;
status = acpi_evaluate_object(handle, "ACMD", &input, NULL);
return status;
}
static acpi_status cmpc_accel_set_sensitivity(acpi_handle handle, int val)
{
union acpi_object param[2];
struct acpi_object_list input;
param[0].type = ACPI_TYPE_INTEGER;
param[0].integer.value = 0x02;
param[1].type = ACPI_TYPE_INTEGER;
param[1].integer.value = val;
input.count = 2;
input.pointer = param;
return acpi_evaluate_object(handle, "ACMD", &input, NULL);
}
static acpi_status cmpc_get_accel(acpi_handle handle,
unsigned char *x,
unsigned char *y,
unsigned char *z)
{
union acpi_object param[2];
struct acpi_object_list input;
struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, 0 };
unsigned char *locs;
acpi_status status;
param[0].type = ACPI_TYPE_INTEGER;
param[0].integer.value = 0x01;
param[1].type = ACPI_TYPE_INTEGER;
input.count = 2;
input.pointer = param;
status = acpi_evaluate_object(handle, "ACMD", &input, &output);
if (ACPI_SUCCESS(status)) {
union acpi_object *obj;
obj = output.pointer;
locs = obj->buffer.pointer;
*x = locs[0];
*y = locs[1];
*z = locs[2];
kfree(output.pointer);
}
return status;
}
static void cmpc_accel_handler(struct acpi_device *dev, u32 event)
{
if (event == 0x81) {
unsigned char x, y, z;
acpi_status status;
status = cmpc_get_accel(dev->handle, &x, &y, &z);
if (ACPI_SUCCESS(status)) {
struct input_dev *inputdev = dev_get_drvdata(&dev->dev);
input_report_abs(inputdev, ABS_X, x);
input_report_abs(inputdev, ABS_Y, y);
input_report_abs(inputdev, ABS_Z, z);
input_sync(inputdev);
}
}
}
static ssize_t cmpc_accel_sensitivity_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct acpi_device *acpi;
struct input_dev *inputdev;
struct cmpc_accel *accel;
acpi = to_acpi_device(dev);
inputdev = dev_get_drvdata(&acpi->dev);
accel = dev_get_drvdata(&inputdev->dev);
return sprintf(buf, "%d\n", accel->sensitivity);
}
static ssize_t cmpc_accel_sensitivity_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
struct acpi_device *acpi;
struct input_dev *inputdev;
struct cmpc_accel *accel;
unsigned long sensitivity;
int r;
acpi = to_acpi_device(dev);
inputdev = dev_get_drvdata(&acpi->dev);
accel = dev_get_drvdata(&inputdev->dev);
r = strict_strtoul(buf, 0, &sensitivity);
if (r)
return r;
accel->sensitivity = sensitivity;
cmpc_accel_set_sensitivity(acpi->handle, sensitivity);
return strnlen(buf, count);
}
struct device_attribute cmpc_accel_sensitivity_attr = {
.attr = { .name = "sensitivity", .mode = 0660 },
.show = cmpc_accel_sensitivity_show,
.store = cmpc_accel_sensitivity_store
};
static int cmpc_accel_open(struct input_dev *input)
{
struct acpi_device *acpi;
acpi = to_acpi_device(input->dev.parent);
if (ACPI_SUCCESS(cmpc_start_accel(acpi->handle)))
return 0;
return -EIO;
}
static void cmpc_accel_close(struct input_dev *input)
{
struct acpi_device *acpi;
acpi = to_acpi_device(input->dev.parent);
cmpc_stop_accel(acpi->handle);
}
static void cmpc_accel_idev_init(struct input_dev *inputdev)
{
set_bit(EV_ABS, inputdev->evbit);
input_set_abs_params(inputdev, ABS_X, 0, 255, 8, 0);
input_set_abs_params(inputdev, ABS_Y, 0, 255, 8, 0);
input_set_abs_params(inputdev, ABS_Z, 0, 255, 8, 0);
inputdev->open = cmpc_accel_open;
inputdev->close = cmpc_accel_close;
}
static int cmpc_accel_add(struct acpi_device *acpi)
{
int error;
struct input_dev *inputdev;
struct cmpc_accel *accel;
accel = kmalloc(sizeof(*accel), GFP_KERNEL);
if (!accel)
return -ENOMEM;
accel->sensitivity = CMPC_ACCEL_SENSITIVITY_DEFAULT;
cmpc_accel_set_sensitivity(acpi->handle, accel->sensitivity);
error = device_create_file(&acpi->dev, &cmpc_accel_sensitivity_attr);
if (error)
goto failed_file;
error = cmpc_add_acpi_notify_device(acpi, "cmpc_accel",
cmpc_accel_idev_init);
if (error)
goto failed_input;
inputdev = dev_get_drvdata(&acpi->dev);
dev_set_drvdata(&inputdev->dev, accel);
return 0;
failed_input:
device_remove_file(&acpi->dev, &cmpc_accel_sensitivity_attr);
failed_file:
kfree(accel);
return error;
}
static int cmpc_accel_remove(struct acpi_device *acpi, int type)
{
struct input_dev *inputdev;
struct cmpc_accel *accel;
inputdev = dev_get_drvdata(&acpi->dev);
accel = dev_get_drvdata(&inputdev->dev);
device_remove_file(&acpi->dev, &cmpc_accel_sensitivity_attr);
return cmpc_remove_acpi_notify_device(acpi);
}
static const struct acpi_device_id cmpc_accel_device_ids[] = {
{"ACCE0000", 0},
{"", 0}
};
MODULE_DEVICE_TABLE(acpi, cmpc_accel_device_ids);
static struct acpi_driver cmpc_accel_acpi_driver = {
.owner = THIS_MODULE,
.name = "cmpc_accel",
.class = "cmpc_accel",
.ids = cmpc_accel_device_ids,
.ops = {
.add = cmpc_accel_add,
.remove = cmpc_accel_remove,
.notify = cmpc_accel_handler,
}
};
/*
* Tablet mode code.
*/
static acpi_status cmpc_get_tablet(acpi_handle handle,
unsigned long long *value)
{
union acpi_object param;
struct acpi_object_list input;
unsigned long long output;
acpi_status status;
param.type = ACPI_TYPE_INTEGER;
param.integer.value = 0x01;
input.count = 1;
input.pointer = &param;
status = acpi_evaluate_integer(handle, "TCMD", &input, &output);
if (ACPI_SUCCESS(status))
*value = output;
return status;
}
static void cmpc_tablet_handler(struct acpi_device *dev, u32 event)
{
unsigned long long val = 0;
struct input_dev *inputdev = dev_get_drvdata(&dev->dev);
if (event == 0x81) {
if (ACPI_SUCCESS(cmpc_get_tablet(dev->handle, &val)))
input_report_switch(inputdev, SW_TABLET_MODE, !val);
}
}
static void cmpc_tablet_idev_init(struct input_dev *inputdev)
{
unsigned long long val = 0;
struct acpi_device *acpi;
set_bit(EV_SW, inputdev->evbit);
set_bit(SW_TABLET_MODE, inputdev->swbit);
acpi = to_acpi_device(inputdev->dev.parent);
if (ACPI_SUCCESS(cmpc_get_tablet(acpi->handle, &val)))
input_report_switch(inputdev, SW_TABLET_MODE, !val);
}
static int cmpc_tablet_add(struct acpi_device *acpi)
{
return cmpc_add_acpi_notify_device(acpi, "cmpc_tablet",
cmpc_tablet_idev_init);
}
static int cmpc_tablet_remove(struct acpi_device *acpi, int type)
{
return cmpc_remove_acpi_notify_device(acpi);
}
static int cmpc_tablet_resume(struct acpi_device *acpi)
{
struct input_dev *inputdev = dev_get_drvdata(&acpi->dev);
unsigned long long val = 0;
if (ACPI_SUCCESS(cmpc_get_tablet(acpi->handle, &val)))
input_report_switch(inputdev, SW_TABLET_MODE, !val);
return 0;
}
static const struct acpi_device_id cmpc_tablet_device_ids[] = {
{"TBLT0000", 0},
{"", 0}
};
MODULE_DEVICE_TABLE(acpi, cmpc_tablet_device_ids);
static struct acpi_driver cmpc_tablet_acpi_driver = {
.owner = THIS_MODULE,
.name = "cmpc_tablet",
.class = "cmpc_tablet",
.ids = cmpc_tablet_device_ids,
.ops = {
.add = cmpc_tablet_add,
.remove = cmpc_tablet_remove,
.resume = cmpc_tablet_resume,
.notify = cmpc_tablet_handler,
}
};
/*
* Backlight code.
*/
static acpi_status cmpc_get_brightness(acpi_handle handle,
unsigned long long *value)
{
union acpi_object param;
struct acpi_object_list input;
unsigned long long output;
acpi_status status;
param.type = ACPI_TYPE_INTEGER;
param.integer.value = 0xC0;
input.count = 1;
input.pointer = &param;
status = acpi_evaluate_integer(handle, "GRDI", &input, &output);
if (ACPI_SUCCESS(status))
*value = output;
return status;
}
static acpi_status cmpc_set_brightness(acpi_handle handle,
unsigned long long value)
{
union acpi_object param[2];
struct acpi_object_list input;
acpi_status status;
unsigned long long output;
param[0].type = ACPI_TYPE_INTEGER;
param[0].integer.value = 0xC0;
param[1].type = ACPI_TYPE_INTEGER;
param[1].integer.value = value;
input.count = 2;
input.pointer = param;
status = acpi_evaluate_integer(handle, "GWRI", &input, &output);
return status;
}
static int cmpc_bl_get_brightness(struct backlight_device *bd)
{
acpi_status status;
acpi_handle handle;
unsigned long long brightness;
handle = bl_get_data(bd);
status = cmpc_get_brightness(handle, &brightness);
if (ACPI_SUCCESS(status))
return brightness;
else
return -1;
}
static int cmpc_bl_update_status(struct backlight_device *bd)
{
acpi_status status;
acpi_handle handle;
handle = bl_get_data(bd);
status = cmpc_set_brightness(handle, bd->props.brightness);
if (ACPI_SUCCESS(status))
return 0;
else
return -1;
}
static struct backlight_ops cmpc_bl_ops = {
.get_brightness = cmpc_bl_get_brightness,
.update_status = cmpc_bl_update_status
};
static int cmpc_bl_add(struct acpi_device *acpi)
{
struct backlight_device *bd;
bd = backlight_device_register("cmpc_bl", &acpi->dev,
acpi->handle, &cmpc_bl_ops);
bd->props.max_brightness = 7;
dev_set_drvdata(&acpi->dev, bd);
return 0;
}
static int cmpc_bl_remove(struct acpi_device *acpi, int type)
{
struct backlight_device *bd;
bd = dev_get_drvdata(&acpi->dev);
backlight_device_unregister(bd);
return 0;
}
static const struct acpi_device_id cmpc_device_ids[] = {
{"IPML200", 0},
{"", 0}
};
MODULE_DEVICE_TABLE(acpi, cmpc_device_ids);
static struct acpi_driver cmpc_bl_acpi_driver = {
.owner = THIS_MODULE,
.name = "cmpc",
.class = "cmpc",
.ids = cmpc_device_ids,
.ops = {
.add = cmpc_bl_add,
.remove = cmpc_bl_remove
}
};
/*
* Extra keys code.
*/
static int cmpc_keys_codes[] = {
KEY_UNKNOWN,
KEY_WLAN,
KEY_SWITCHVIDEOMODE,
KEY_BRIGHTNESSDOWN,
KEY_BRIGHTNESSUP,
KEY_VENDOR,
KEY_MAX
};
static void cmpc_keys_handler(struct acpi_device *dev, u32 event)
{
struct input_dev *inputdev;
int code = KEY_MAX;
if ((event & 0x0F) < ARRAY_SIZE(cmpc_keys_codes))
code = cmpc_keys_codes[event & 0x0F];
inputdev = dev_get_drvdata(&dev->dev);;
input_report_key(inputdev, code, !(event & 0x10));
}
static void cmpc_keys_idev_init(struct input_dev *inputdev)
{
int i;
set_bit(EV_KEY, inputdev->evbit);
for (i = 0; cmpc_keys_codes[i] != KEY_MAX; i++)
set_bit(cmpc_keys_codes[i], inputdev->keybit);
}
static int cmpc_keys_add(struct acpi_device *acpi)
{
return cmpc_add_acpi_notify_device(acpi, "cmpc_keys",
cmpc_keys_idev_init);
}
static int cmpc_keys_remove(struct acpi_device *acpi, int type)
{
return cmpc_remove_acpi_notify_device(acpi);
}
static const struct acpi_device_id cmpc_keys_device_ids[] = {
{"FnBT0000", 0},
{"", 0}
};
MODULE_DEVICE_TABLE(acpi, cmpc_keys_device_ids);
static struct acpi_driver cmpc_keys_acpi_driver = {
.owner = THIS_MODULE,
.name = "cmpc_keys",
.class = "cmpc_keys",
.ids = cmpc_keys_device_ids,
.ops = {
.add = cmpc_keys_add,
.remove = cmpc_keys_remove,
.notify = cmpc_keys_handler,
}
};
/*
* General init/exit code.
*/
static int cmpc_init(void)
{
int r;
r = acpi_bus_register_driver(&cmpc_keys_acpi_driver);
if (r)
goto failed_keys;
r = acpi_bus_register_driver(&cmpc_bl_acpi_driver);
if (r)
goto failed_bl;
r = acpi_bus_register_driver(&cmpc_tablet_acpi_driver);
if (r)
goto failed_tablet;
r = acpi_bus_register_driver(&cmpc_accel_acpi_driver);
if (r)
goto failed_accel;
return r;
failed_accel:
acpi_bus_unregister_driver(&cmpc_tablet_acpi_driver);
failed_tablet:
acpi_bus_unregister_driver(&cmpc_bl_acpi_driver);
failed_bl:
acpi_bus_unregister_driver(&cmpc_keys_acpi_driver);
failed_keys:
return r;
}
static void cmpc_exit(void)
{
acpi_bus_unregister_driver(&cmpc_accel_acpi_driver);
acpi_bus_unregister_driver(&cmpc_tablet_acpi_driver);
acpi_bus_unregister_driver(&cmpc_bl_acpi_driver);
acpi_bus_unregister_driver(&cmpc_keys_acpi_driver);
}
module_init(cmpc_init);
module_exit(cmpc_exit);

18
drivers/platform/x86/dell-wmi.c
View File

@ -238,6 +238,7 @@ static void dell_wmi_notify(u32 value, void *context)
input_sync(dell_wmi_input_dev);
}
}
kfree(obj);
}
@ -324,11 +325,14 @@ static int __init dell_wmi_init(void)
int err;
if (wmi_has_guid(DELL_EVENT_GUID)) {
printk(KERN_WARNING "dell-wmi: No known WMI GUID found\n");
return -ENODEV;
}
dmi_walk(find_hk_type, NULL);
acpi_video = acpi_video_backlight_support();
err = dell_wmi_input_setup();
if (err)
return err;
@ -336,26 +340,20 @@ static int __init dell_wmi_init(void)
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);
printk(KERN_ERR
"dell-wmi: Unable to register notify handler - %d\n",
err);
return err;
}
acpi_video = acpi_video_backlight_support();
} 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);

8
drivers/platform/x86/fujitsu-laptop.c
View File

@ -376,8 +376,8 @@ static int get_lcd_level(void)
status =
acpi_evaluate_integer(fujitsu->acpi_handle, "GBLL", NULL, &state);
if (status < 0)
return status;
if (ACPI_FAILURE(status))
return 0;
fujitsu->brightness_level = state & 0x0fffffff;
@ -398,8 +398,8 @@ static int get_max_brightness(void)
status =
acpi_evaluate_integer(fujitsu->acpi_handle, "RBLL", NULL, &state);
if (status < 0)
return status;
if (ACPI_FAILURE(status))
return -1;
fujitsu->max_brightness = state;

11
drivers/platform/x86/hp-wmi.c
View File

@ -134,10 +134,15 @@ static int hp_wmi_perform_query(int query, int write, int value)
obj = output.pointer;
if (!obj || obj->type != ACPI_TYPE_BUFFER)
if (!obj)
return -EINVAL;
else if (obj->type != ACPI_TYPE_BUFFER) {
kfree(obj);
return -EINVAL;
}
bios_return = *((struct bios_return *)obj->buffer.pointer);
kfree(obj);
if (bios_return.return_code > 0)
return bios_return.return_code * -1;
else
@ -340,10 +345,12 @@ static void hp_wmi_notify(u32 value, void *context)
if (!obj || obj->type != ACPI_TYPE_BUFFER || obj->buffer.length != 8) {
printk(KERN_INFO "HP WMI: Unknown response received\n");
kfree(obj);
return;
}
eventcode = *((u8 *) obj->buffer.pointer);
kfree(obj);
if (eventcode == 0x4)
eventcode = hp_wmi_perform_query(HPWMI_HOTKEY_QUERY, 0,
0);
@ -381,6 +388,8 @@ static void hp_wmi_notify(u32 value, void *context)
} else
printk(KERN_INFO "HP WMI: Unknown key pressed - %x\n",
eventcode);
kfree(obj);
}
static int __init hp_wmi_input_setup(void)

10
drivers/platform/x86/msi-wmi.c
View File

@ -34,16 +34,6 @@ MODULE_LICENSE("GPL");
MODULE_ALIAS("wmi:551A1F84-FBDD-4125-91DB-3EA8F44F1D45");
MODULE_ALIAS("wmi:B6F3EEF2-3D2F-49DC-9DE3-85BCE18C62F2");
/* Temporary workaround until the WMI sysfs interface goes in
{ "svn", DMI_SYS_VENDOR },
{ "pn", DMI_PRODUCT_NAME },
{ "pvr", DMI_PRODUCT_VERSION },
{ "rvn", DMI_BOARD_VENDOR },
{ "rn", DMI_BOARD_NAME },
*/
MODULE_ALIAS("dmi:*:svnMICRO-STARINTERNATIONAL*:pnMS-6638:*");
#define DRV_NAME "msi-wmi"
#define DRV_PFX DRV_NAME ": "

94
drivers/platform/x86/sony-laptop.c
View File

@ -131,6 +131,7 @@ enum sony_nc_rfkill {
N_SONY_RFKILL,
};
static int sony_rfkill_handle;
static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL];
static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900};
static void sony_nc_rfkill_update(void);
@ -232,6 +233,7 @@ static int sony_laptop_input_index[] = {
56, /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */
57, /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */
-1, /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */
58, /* 72 SONYPI_EVENT_MEDIA_PRESSED */
};
static int sony_laptop_input_keycode_map[] = {
@ -293,6 +295,7 @@ static int sony_laptop_input_keycode_map[] = {
KEY_F15, /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
KEY_VOLUMEUP, /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
KEY_MEDIA, /* 58 SONYPI_EVENT_MEDIA_PRESSED */
};
/* release buttons after a short delay if pressed */
@ -890,6 +893,8 @@ static struct sony_nc_event sony_100_events[] = {
{ 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
{ 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
{ 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
{ 0xa1, SONYPI_EVENT_MEDIA_PRESSED },
{ 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED },
{ 0, 0 },
};
@ -961,7 +966,7 @@ static void sony_nc_notify(struct acpi_device *device, u32 event)
else
sony_laptop_report_input_event(ev);
}
} else if (sony_find_snc_handle(0x124) == ev) {
} else if (sony_find_snc_handle(sony_rfkill_handle) == ev) {
sony_nc_rfkill_update();
return;
}
@ -1067,7 +1072,7 @@ static int sony_nc_rfkill_set(void *data, bool blocked)
if (!blocked)
argument |= 0xff0000;
return sony_call_snc_handle(0x124, argument, &result);
return sony_call_snc_handle(sony_rfkill_handle, argument, &result);
}
static const struct rfkill_ops sony_rfkill_ops = {
@ -1110,7 +1115,7 @@ static int sony_nc_setup_rfkill(struct acpi_device *device,
if (!rfk)
return -ENOMEM;
sony_call_snc_handle(0x124, 0x200, &result);
sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
hwblock = !(result & 0x1);
rfkill_set_hw_state(rfk, hwblock);
@ -1129,7 +1134,7 @@ static void sony_nc_rfkill_update()
int result;
bool hwblock;
sony_call_snc_handle(0x124, 0x200, &result);
sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
hwblock = !(result & 0x1);
for (i = 0; i < N_SONY_RFKILL; i++) {
@ -1145,36 +1150,79 @@ static void sony_nc_rfkill_update()
continue;
}
sony_call_snc_handle(0x124, argument, &result);
sony_call_snc_handle(sony_rfkill_handle, argument, &result);
rfkill_set_states(sony_rfkill_devices[i],
!(result & 0xf), false);
}
}
static int sony_nc_rfkill_setup(struct acpi_device *device)
static void sony_nc_rfkill_setup(struct acpi_device *device)
{
int result, ret;
int offset;
u8 dev_code, i;
acpi_status status;
struct acpi_object_list params;
union acpi_object in_obj;
union acpi_object *device_enum;
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
if (sony_find_snc_handle(0x124) == -1)
return -1;
offset = sony_find_snc_handle(0x124);
if (offset == -1) {
offset = sony_find_snc_handle(0x135);
if (offset == -1)
return;
else
sony_rfkill_handle = 0x135;
} else
sony_rfkill_handle = 0x124;
dprintk("Found rkfill handle: 0x%.4x\n", sony_rfkill_handle);
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;
/* need to read the whole buffer returned by the acpi call to SN06
* here otherwise we may miss some features
*/
params.count = 1;
params.pointer = &in_obj;
in_obj.type = ACPI_TYPE_INTEGER;
in_obj.integer.value = offset;
status = acpi_evaluate_object(sony_nc_acpi_handle, "SN06", &params,
&buffer);
if (ACPI_FAILURE(status)) {
dprintk("Radio device enumeration failed\n");
return;
}
if (result & 0x1)
sony_nc_setup_rfkill(device, SONY_WIFI);
if (result & 0x2)
sony_nc_setup_rfkill(device, SONY_BLUETOOTH);
if (result & 0x1c)
sony_nc_setup_rfkill(device, SONY_WWAN);
if (result & 0x20)
sony_nc_setup_rfkill(device, SONY_WIMAX);
device_enum = (union acpi_object *) buffer.pointer;
if (!device_enum || device_enum->type != ACPI_TYPE_BUFFER) {
printk(KERN_ERR "Invalid SN06 return object 0x%.2x\n",
device_enum->type);
goto out_no_enum;
}
return 0;
/* the buffer is filled with magic numbers describing the devices
* available, 0xff terminates the enumeration
*/
while ((dev_code = *(device_enum->buffer.pointer + i)) != 0xff &&
i < device_enum->buffer.length) {
i++;
dprintk("Radio devices, looking at 0x%.2x\n", dev_code);
if (dev_code == 0 && !sony_rfkill_devices[SONY_WIFI])
sony_nc_setup_rfkill(device, SONY_WIFI);
if (dev_code == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH])
sony_nc_setup_rfkill(device, SONY_BLUETOOTH);
if ((0xf0 & dev_code) == 0x20 &&
!sony_rfkill_devices[SONY_WWAN])
sony_nc_setup_rfkill(device, SONY_WWAN);
if (dev_code == 0x30 && !sony_rfkill_devices[SONY_WIMAX])
sony_nc_setup_rfkill(device, SONY_WIMAX);
}
out_no_enum:
kfree(buffer.pointer);
return;
}
static int sony_nc_add(struct acpi_device *device)

115
drivers/platform/x86/tc1100-wmi.c
View File

@ -47,22 +47,6 @@ MODULE_DESCRIPTION("HP Compaq TC1100 Tablet WMI Extras");
MODULE_LICENSE("GPL");
MODULE_ALIAS("wmi:C364AC71-36DB-495A-8494-B439D472A505");
static int tc1100_probe(struct platform_device *device);
static int tc1100_remove(struct platform_device *device);
static int tc1100_suspend(struct platform_device *device, pm_message_t state);
static int tc1100_resume(struct platform_device *device);
static struct platform_driver tc1100_driver = {
.driver = {
.name = "tc1100-wmi",
.owner = THIS_MODULE,
},
.probe = tc1100_probe,
.remove = tc1100_remove,
.suspend = tc1100_suspend,
.resume = tc1100_resume,
};
static struct platform_device *tc1100_device;
struct tc1100_data {
@ -183,51 +167,35 @@ static DEVICE_ATTR(value, S_IWUGO | S_IRUGO | S_IWUSR, \
show_set_bool(wireless, TC1100_INSTANCE_WIRELESS);
show_set_bool(jogdial, TC1100_INSTANCE_JOGDIAL);
static void remove_fs(void)
{
device_remove_file(&tc1100_device->dev, &dev_attr_wireless);
device_remove_file(&tc1100_device->dev, &dev_attr_jogdial);
}
static struct attribute *tc1100_attributes[] = {
&dev_attr_wireless.attr,
&dev_attr_jogdial.attr,
NULL
};
static int add_fs(void)
{
int ret;
ret = device_create_file(&tc1100_device->dev, &dev_attr_wireless);
if (ret)
goto add_sysfs_error;
ret = device_create_file(&tc1100_device->dev, &dev_attr_jogdial);
if (ret)
goto add_sysfs_error;
return ret;
add_sysfs_error:
remove_fs();
return ret;
}
static struct attribute_group tc1100_attribute_group = {
.attrs = tc1100_attributes,
};
/* --------------------------------------------------------------------------
Driver Model
-------------------------------------------------------------------------- */
static int tc1100_probe(struct platform_device *device)
static int __init tc1100_probe(struct platform_device *device)
{
int result = 0;
result = add_fs();
return result;
return sysfs_create_group(&device->dev.kobj, &tc1100_attribute_group);
}
static int tc1100_remove(struct platform_device *device)
static int __devexit tc1100_remove(struct platform_device *device)
{
remove_fs();
sysfs_remove_group(&device->dev.kobj, &tc1100_attribute_group);
return 0;
}
static int tc1100_suspend(struct platform_device *dev, pm_message_t state)
#ifdef CONFIG_PM
static int tc1100_suspend(struct device *dev)
{
int ret;
@ -239,10 +207,10 @@ static int tc1100_suspend(struct platform_device *dev, pm_message_t state)
if (ret)
return ret;
return ret;
return 0;
}
static int tc1100_resume(struct platform_device *dev)
static int tc1100_resume(struct device *dev)
{
int ret;
@ -254,34 +222,61 @@ static int tc1100_resume(struct platform_device *dev)
if (ret)
return ret;
return ret;
return 0;
}
static const struct dev_pm_ops tc1100_pm_ops = {
.suspend = tc1100_suspend,
.resume = tc1100_resume,
.freeze = tc1100_suspend,
.restore = tc1100_resume,
};
#endif
static struct platform_driver tc1100_driver = {
.driver = {
.name = "tc1100-wmi",
.owner = THIS_MODULE,
#ifdef CONFIG_PM
.pm = &tc1100_pm_ops,
#endif
},
.remove = __devexit_p(tc1100_remove),
};
static int __init tc1100_init(void)
{
int result = 0;
int error;
if (!wmi_has_guid(GUID))
return -ENODEV;
result = platform_driver_register(&tc1100_driver);
if (result)
return result;
tc1100_device = platform_device_alloc("tc1100-wmi", -1);
platform_device_add(tc1100_device);
if (!tc1100_device)
return -ENOMEM;
error = platform_device_add(tc1100_device);
if (error)
goto err_device_put;
error = platform_driver_probe(&tc1100_driver, tc1100_probe);
if (error)
goto err_device_del;
printk(TC1100_INFO "HP Compaq TC1100 Tablet WMI Extras loaded\n");
return 0;
return result;
err_device_del:
platform_device_del(tc1100_device);
err_device_put:
platform_device_put(tc1100_device);
return error;
}
static void __exit tc1100_exit(void)
{
platform_device_del(tc1100_device);
platform_device_unregister(tc1100_device);
platform_driver_unregister(&tc1100_driver);
printk(TC1100_INFO "HP Compaq TC1100 Tablet WMI Extras unloaded\n");
}
module_init(tc1100_init);

259
drivers/platform/x86/toshiba_acpi.c
View File

@ -42,6 +42,7 @@
#include <linux/init.h>
#include <linux/types.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/backlight.h>
#include <linux/platform_device.h>
#include <linux/rfkill.h>
@ -357,63 +358,6 @@ static int force_fan;
static int last_key_event;
static int key_event_valid;
typedef struct _ProcItem {
const char *name;
char *(*read_func) (char *);
unsigned long (*write_func) (const char *, unsigned long);
} ProcItem;
/* proc file handlers
*/
static int
dispatch_read(char *page, char **start, off_t off, int count, int *eof,
ProcItem * item)
{
char *p = page;
int len;
if (off == 0)
p = item->read_func(p);
/* ISSUE: I don't understand this code */
len = (p - page);
if (len <= off + count)
*eof = 1;
*start = page + off;
len -= off;
if (len > count)
len = count;
if (len < 0)
len = 0;
return len;
}
static int
dispatch_write(struct file *file, const char __user * buffer,
unsigned long count, ProcItem * item)
{
int result;
char *tmp_buffer;
/* Arg buffer points to userspace memory, which can't be accessed
* directly. Since we're making a copy, zero-terminate the
* destination so that sscanf can be used on it safely.
*/
tmp_buffer = kmalloc(count + 1, GFP_KERNEL);
if (!tmp_buffer)
return -ENOMEM;
if (copy_from_user(tmp_buffer, buffer, count)) {
result = -EFAULT;
} else {
tmp_buffer[count] = 0;
result = item->write_func(tmp_buffer, count);
}
kfree(tmp_buffer);
return result;
}
static int get_lcd(struct backlight_device *bd)
{
u32 hci_result;
@ -426,19 +370,24 @@ static int get_lcd(struct backlight_device *bd)
return -EFAULT;
}
static char *read_lcd(char *p)
static int lcd_proc_show(struct seq_file *m, void *v)
{
int value = get_lcd(NULL);
if (value >= 0) {
p += sprintf(p, "brightness: %d\n", value);
p += sprintf(p, "brightness_levels: %d\n",
seq_printf(m, "brightness: %d\n", value);
seq_printf(m, "brightness_levels: %d\n",
HCI_LCD_BRIGHTNESS_LEVELS);
} else {
printk(MY_ERR "Error reading LCD brightness\n");
}
return p;
return 0;
}
static int lcd_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, lcd_proc_show, NULL);
}
static int set_lcd(int value)
@ -458,12 +407,20 @@ static int set_lcd_status(struct backlight_device *bd)
return set_lcd(bd->props.brightness);
}
static unsigned long write_lcd(const char *buffer, unsigned long count)
static ssize_t lcd_proc_write(struct file *file, const char __user *buf,
size_t count, loff_t *pos)
{
char cmd[42];
size_t len;
int value;
int ret;
if (sscanf(buffer, " brightness : %i", &value) == 1 &&
len = min(count, sizeof(cmd) - 1);
if (copy_from_user(cmd, buf, len))
return -EFAULT;
cmd[len] = '\0';
if (sscanf(cmd, " brightness : %i", &value) == 1 &&
value >= 0 && value < HCI_LCD_BRIGHTNESS_LEVELS) {
ret = set_lcd(value);
if (ret == 0)
@ -474,7 +431,16 @@ static unsigned long write_lcd(const char *buffer, unsigned long count)
return ret;
}
static char *read_video(char *p)
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 video_proc_show(struct seq_file *m, void *v)
{
u32 hci_result;
u32 value;
@ -484,18 +450,25 @@ static char *read_video(char *p)
int is_lcd = (value & HCI_VIDEO_OUT_LCD) ? 1 : 0;
int is_crt = (value & HCI_VIDEO_OUT_CRT) ? 1 : 0;
int is_tv = (value & HCI_VIDEO_OUT_TV) ? 1 : 0;
p += sprintf(p, "lcd_out: %d\n", is_lcd);
p += sprintf(p, "crt_out: %d\n", is_crt);
p += sprintf(p, "tv_out: %d\n", is_tv);
seq_printf(m, "lcd_out: %d\n", is_lcd);
seq_printf(m, "crt_out: %d\n", is_crt);
seq_printf(m, "tv_out: %d\n", is_tv);
} else {
printk(MY_ERR "Error reading video out status\n");
}
return p;
return 0;
}
static unsigned long write_video(const char *buffer, unsigned long count)
static int video_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, video_proc_show, NULL);
}
static ssize_t video_proc_write(struct file *file, const char __user *buf,
size_t count, loff_t *pos)
{
char *cmd, *buffer;
int value;
int remain = count;
int lcd_out = -1;
@ -504,6 +477,17 @@ static unsigned long write_video(const char *buffer, unsigned long count)
u32 hci_result;
u32 video_out;
cmd = kmalloc(count + 1, GFP_KERNEL);
if (!cmd)
return -ENOMEM;
if (copy_from_user(cmd, buf, count)) {
kfree(cmd);
return -EFAULT;
}
cmd[count] = '\0';
buffer = cmd;
/* scan expression. Multiple expressions may be delimited with ;
*
* NOTE: to keep scanning simple, invalid fields are ignored
@ -523,6 +507,8 @@ static unsigned long write_video(const char *buffer, unsigned long count)
while (remain && *(buffer - 1) != ';');
}
kfree(cmd);
hci_read1(HCI_VIDEO_OUT, &video_out, &hci_result);
if (hci_result == HCI_SUCCESS) {
unsigned int new_video_out = video_out;
@ -543,28 +529,50 @@ static unsigned long write_video(const char *buffer, unsigned long count)
return count;
}
static char *read_fan(char *p)
static const struct file_operations video_proc_fops = {
.owner = THIS_MODULE,
.open = video_proc_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
.write = video_proc_write,
};
static int fan_proc_show(struct seq_file *m, void *v)
{
u32 hci_result;
u32 value;
hci_read1(HCI_FAN, &value, &hci_result);
if (hci_result == HCI_SUCCESS) {
p += sprintf(p, "running: %d\n", (value > 0));
p += sprintf(p, "force_on: %d\n", force_fan);
seq_printf(m, "running: %d\n", (value > 0));
seq_printf(m, "force_on: %d\n", force_fan);
} else {
printk(MY_ERR "Error reading fan status\n");
}
return p;
return 0;
}
static unsigned long write_fan(const char *buffer, unsigned long count)
static int fan_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, fan_proc_show, NULL);
}
static ssize_t fan_proc_write(struct file *file, const char __user *buf,
size_t count, loff_t *pos)
{
char cmd[42];
size_t len;
int value;
u32 hci_result;
if (sscanf(buffer, " force_on : %i", &value) == 1 &&
len = min(count, sizeof(cmd) - 1);
if (copy_from_user(cmd, buf, len))
return -EFAULT;
cmd[len] = '\0';
if (sscanf(cmd, " force_on : %i", &value) == 1 &&
value >= 0 && value <= 1) {
hci_write1(HCI_FAN, value, &hci_result);
if (hci_result != HCI_SUCCESS)
@ -578,7 +586,16 @@ static unsigned long write_fan(const char *buffer, unsigned long count)
return count;
}
static char *read_keys(char *p)
static const struct file_operations fan_proc_fops = {
.owner = THIS_MODULE,
.open = fan_proc_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
.write = fan_proc_write,
};
static int keys_proc_show(struct seq_file *m, void *v)
{
u32 hci_result;
u32 value;
@ -602,18 +619,30 @@ static char *read_keys(char *p)
}
}
p += sprintf(p, "hotkey_ready: %d\n", key_event_valid);
p += sprintf(p, "hotkey: 0x%04x\n", last_key_event);
seq_printf(m, "hotkey_ready: %d\n", key_event_valid);
seq_printf(m, "hotkey: 0x%04x\n", last_key_event);
end:
return p;
return 0;
}
static unsigned long write_keys(const char *buffer, unsigned long count)
static int keys_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, keys_proc_show, NULL);
}
static ssize_t keys_proc_write(struct file *file, const char __user *buf,
size_t count, loff_t *pos)
{
char cmd[42];
size_t len;
int value;
if (sscanf(buffer, " hotkey_ready : %i", &value) == 1 && value == 0) {
len = min(count, sizeof(cmd) - 1);
if (copy_from_user(cmd, buf, len))
return -EFAULT;
cmd[len] = '\0';
if (sscanf(cmd, " hotkey_ready : %i", &value) == 1 && value == 0) {
key_event_valid = 0;
} else {
return -EINVAL;
@ -622,52 +651,58 @@ static unsigned long write_keys(const char *buffer, unsigned long count)
return count;
}
static char *read_version(char *p)
static const struct file_operations keys_proc_fops = {
.owner = THIS_MODULE,
.open = keys_proc_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
.write = keys_proc_write,
};
static int version_proc_show(struct seq_file *m, void *v)
{
p += sprintf(p, "driver: %s\n", TOSHIBA_ACPI_VERSION);
p += sprintf(p, "proc_interface: %d\n",
PROC_INTERFACE_VERSION);
return p;
seq_printf(m, "driver: %s\n", TOSHIBA_ACPI_VERSION);
seq_printf(m, "proc_interface: %d\n", PROC_INTERFACE_VERSION);
return 0;
}
static int version_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, version_proc_show, PDE(inode)->data);
}
static const struct file_operations version_proc_fops = {
.owner = THIS_MODULE,
.open = version_proc_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
/* proc and module init
*/
#define PROC_TOSHIBA "toshiba"
static ProcItem proc_items[] = {
{"lcd", read_lcd, write_lcd},
{"video", read_video, write_video},
{"fan", read_fan, write_fan},
{"keys", read_keys, write_keys},
{"version", read_version, NULL},
{NULL}
};
static acpi_status __init add_device(void)
{
struct proc_dir_entry *proc;
ProcItem *item;
for (item = proc_items; item->name; ++item) {
proc = create_proc_read_entry(item->name,
S_IFREG | S_IRUGO | S_IWUSR,
toshiba_proc_dir,
(read_proc_t *) dispatch_read,
item);
if (proc && item->write_func)
proc->write_proc = (write_proc_t *) dispatch_write;
}
proc_create("lcd", S_IRUGO | S_IWUSR, toshiba_proc_dir, &lcd_proc_fops);
proc_create("video", S_IRUGO | S_IWUSR, toshiba_proc_dir, &video_proc_fops);
proc_create("fan", S_IRUGO | S_IWUSR, toshiba_proc_dir, &fan_proc_fops);
proc_create("keys", S_IRUGO | S_IWUSR, toshiba_proc_dir, &keys_proc_fops);
proc_create("version", S_IRUGO, toshiba_proc_dir, &version_proc_fops);
return AE_OK;
}
static acpi_status remove_device(void)
{
ProcItem *item;
for (item = proc_items; item->name; ++item)
remove_proc_entry(item->name, toshiba_proc_dir);
remove_proc_entry("lcd", toshiba_proc_dir);
remove_proc_entry("video", toshiba_proc_dir);
remove_proc_entry("fan", toshiba_proc_dir);
remove_proc_entry("keys", toshiba_proc_dir);
remove_proc_entry("version", toshiba_proc_dir);
return AE_OK;
}

4
drivers/platform/x86/wmi.c
View File

@ -540,8 +540,8 @@ EXPORT_SYMBOL_GPL(wmi_remove_notify_handler);
/**
* wmi_get_event_data - Get WMI data associated with an event
*
* @event - Event to find
* &out - Buffer to hold event data
* @event: Event to find
* @out: Buffer to hold event data. out->pointer should be freed with kfree()
*
* Returns extra data associated with an event in WMI.
*/

8
include/acpi/processor.h
View File

@ -224,8 +224,6 @@ struct acpi_processor {
struct acpi_processor_throttling throttling;
struct acpi_processor_limit limit;
struct thermal_cooling_device *cdev;
/* the _PDC objects for this processor, if any */
struct acpi_object_list *pdc;
};
struct acpi_processor_errata {
@ -257,9 +255,6 @@ int acpi_processor_notify_smm(struct module *calling_module);
DECLARE_PER_CPU(struct acpi_processor *, processors);
extern struct acpi_processor_errata errata;
void arch_acpi_processor_init_pdc(struct acpi_processor *pr);
void arch_acpi_processor_cleanup_pdc(struct acpi_processor *pr);
#ifdef ARCH_HAS_POWER_INIT
void acpi_processor_power_init_bm_check(struct acpi_processor_flags *flags,
unsigned int cpu);
@ -325,6 +320,9 @@ static inline int acpi_processor_get_bios_limit(int cpu, unsigned int *limit)
#endif /* CONFIG_CPU_FREQ */
/* in processor_pdc.c */
void acpi_processor_set_pdc(acpi_handle handle);
/* in processor_throttling.c */
int acpi_processor_tstate_has_changed(struct acpi_processor *pr);
int acpi_processor_get_throttling_info(struct acpi_processor *pr);

1
include/linux/sonypi.h
View File

@ -111,6 +111,7 @@
#define SONYPI_EVENT_VOLUME_INC_PRESSED 69
#define SONYPI_EVENT_VOLUME_DEC_PRESSED 70
#define SONYPI_EVENT_BRIGHTNESS_PRESSED 71
#define SONYPI_EVENT_MEDIA_PRESSED 72
/* get/set brightness */
#define SONYPI_IOCGBRT _IOR('v', 0, __u8)