FB The frame buffer device is enabled.
HW Appropriate hardware is enabled.
IA-64 IA-64 architecture is enabled.
+ IMA Integrity measurement architecture is enabled.
IOSCHED More than one I/O scheduler is enabled.
IP_PNP IP DHCP, BOOTP, or RARP is enabled.
ISAPNP ISA PnP code is enabled.
to assume that this machine's pmtimer latches its value
and always returns good values.
+ acpi_enforce_resources= [ACPI]
+ { strict | lax | no }
+ Check for resource conflicts between native drivers
+ and ACPI OperationRegions (SystemIO and SystemMemory
+ only). IO ports and memory declared in ACPI might be
+ used by the ACPI subsystem in arbitrary AML code and
+ can interfere with legacy drivers.
+ strict (default): access to resources claimed by ACPI
+ is denied; legacy drivers trying to access reserved
+ resources will fail to bind to device using them.
+ lax: access to resources claimed by ACPI is allowed;
+ legacy drivers trying to access reserved resources
+ will bind successfully but a warning message is logged.
+ no: ACPI OperationRegions are not marked as reserved,
+ no further checks are performed.
+
agp= [AGP]
{ off | try_unsupported }
off: disable AGP support
Range: 0 - 8192
Default: 64
+ dma_debug=off If the kernel is compiled with DMA_API_DEBUG support
+ this option disables the debugging code at boot.
+
+ dma_debug_entries=<number>
+ This option allows to tune the number of preallocated
+ entries for DMA-API debugging code. One entry is
+ required per DMA-API allocation. Use this if the
+ DMA-API debugging code disables itself because the
+ architectural default is too low.
+
hpet= [X86-32,HPET] option to control HPET usage
- Format: { enable (default) | disable | force }
+ Format: { enable (default) | disable | force |
+ verbose }
disable: disable HPET and use PIT instead
force: allow force enabled of undocumented chips (ICH4,
VIA, nVidia)
+ verbose: show contents of HPET registers during setup
com20020= [HW,NET] ARCnet - COM20020 chipset
Format:
hvc_iucv= [S390] Number of z/VM IUCV hypervisor console (HVC)
terminal devices. Valid values: 0..8
+ hvc_iucv_allow= [S390] Comma-separated list of z/VM user IDs.
+ If specified, z/VM IUCV HVC accepts connections
+ from listed z/VM user IDs only.
+
+ i2c_bus= [HW] Override the default board specific I2C bus speed
+ or register an additional I2C bus that is not
+ registered from board initialization code.
+ Format:
+ <bus_id>,<clkrate>
i8042.debug [HW] Toggle i8042 debug mode
i8042.direct [HW] Put keyboard port into non-translated mode
ihash_entries= [KNL]
Set number of hash buckets for inode cache.
+ ima_audit= [IMA]
+ Format: { "0" | "1" }
+ 0 -- integrity auditing messages. (Default)
+ 1 -- enable informational integrity auditing messages.
+
+ ima_hash= [IMA]
+ Formt: { "sha1" | "md5" }
+ default: "sha1"
+
in2000= [HW,SCSI]
See header of drivers/scsi/in2000.c.
memtest= [KNL,X86] Enable memtest
Format: <integer>
- range: 0,4 : pattern number
default : 0 <disable>
+ Specifies the number of memtest passes to be
+ performed. Each pass selects another test
+ pattern from a given set of patterns. Memtest
+ fills the memory with this pattern, validates
+ memory contents and reserves bad memory
+ regions that are detected.
meye.*= [HW] Set MotionEye Camera parameters
See Documentation/video4linux/meye.txt.
noclflush [BUGS=X86] Don't use the CLFLUSH instruction
- nohlt [BUGS=ARM,SH]
+ nohlt [BUGS=ARM,SH] Tells the kernel that the sleep(SH) or
+ wfi(ARM) instruction doesn't work correctly and not to
+ use it. This is also useful when using JTAG debugger.
no-hlt [BUGS=X86-32] Tells the kernel that the hlt
instruction doesn't work correctly and not to
nosoftlockup [KNL] Disable the soft-lockup detector.
noswapaccount [KNL] Disable accounting of swap in memory resource
- controller. (See Documentation/controllers/memory.txt)
+ controller. (See Documentation/cgroups/memory.txt)
nosync [HW,M68K] Disables sync negotiation for all devices.
See also Documentation/blockdev/paride.txt.
pci=option[,option...] [PCI] various PCI subsystem options:
+ earlydump [X86] dump PCI config space before the kernel
+ changes anything
off [X86] don't probe for the PCI bus
bios [X86-32] force use of PCI BIOS, don't access
the hardware directly. Use this if your machine
cbmemsize=nn[KMG] The fixed amount of bus space which is
reserved for the CardBus bridge's memory
window. The default value is 64 megabytes.
+ resource_alignment=
+ Format:
+ [<order of align>@][<domain>:]<bus>:<slot>.<func>[; ...]
+ Specifies alignment and device to reassign
+ aligned memory resources.
+ If <order of align> is not specified,
+ PAGE_SIZE is used as alignment.
+ PCI-PCI bridge can be specified, if resource
+ windows need to be expanded.
pcie_aspm= [PCIE] Forcibly enable or disable PCIe Active State Power
Management.
autoconfiguration.
Ranges are in pairs (memory base and size).
- dynamic_printk Enables pr_debug()/dev_dbg() calls if
- CONFIG_DYNAMIC_PRINTK_DEBUG has been enabled.
- These can also be switched on/off via
- <debugfs>/dynamic_printk/modules
-
print-fatal-signals=
[KNL] debug: print fatal signals
print-fatal-signals=1: print segfault info to
relax_domain_level=
[KNL, SMP] Set scheduler's default relax_domain_level.
- See Documentation/cpusets.txt.
+ See Documentation/cgroups/cpusets.txt.
reserve= [KNL,BUGS] Force the kernel to ignore some iomem area
If enabled at boot time, /selinux/disable can be used
later to disable prior to initial policy load.
- selinux_compat_net =
- [SELINUX] Set initial selinux_compat_net flag value.
- Format: { "0" | "1" }
- 0 -- use new secmark-based packet controls
- 1 -- use legacy packet controls
- Default value is 0 (preferred).
- Value can be changed at runtime via
- /selinux/compat_net.
-
serialnumber [BUGS=X86-32]
shapers= [NET]
P: Ivan Kokshaysky
M: ink@jurassic.park.msu.ru
S: Maintained for 2.4; PCI support for 2.6.
+ L: linux-alpha@vger.kernel.org
AMD GEODE CS5536 USB DEVICE CONTROLLER DRIVER
P: Thomas Dahlmann
M: rpurdie@rpsys.net
S: Maintained
+ ARM/CORTINA SYSTEMS GEMINI ARM ARCHITECTURE
+ P: Paulius Zaleckas
+ M: paulius.zaleckas@teltonika.lt
+ L: linux-arm-kernel@lists.arm.linux.org.uk (subscribers-only)
+ T: git gitorious.org/linux-gemini/mainline.git
+ S: Maintained
+
ARM/EZX SMARTPHONES (A780, A910, A1200, E680, ROKR E2 and ROKR E6)
P: Daniel Ribeiro
M: drwyrm@gmail.com
W: http://www.openezx.org/
S: Maintained
+ ARM/FARADAY FA526 PORT
+ P: Paulius Zaleckas
+ M: paulius.zaleckas@teltonika.lt
+ L: linux-arm-kernel@lists.arm.linux.org.uk (subscribers-only)
+ S: Maintained
+
ARM/FREESCALE IMX / MXC ARM ARCHITECTURE
P: Sascha Hauer
M: kernel@pengutronix.de
M: dirk@opfer-online.de
S: Maintained
- ARM/PALMTX SUPPORT
+ ARM/PALMTX,PALMT5,PALMLD SUPPORT
P: Marek Vasut
M: marek.vasut@gmail.com
W: http://hackndev.com
L: ath9k-devel@lists.ath9k.org
S: Supported
+ ATHEROS AR9170 WIRELESS DRIVER
+ P: Christian Lamparter
+ M: chunkeey@web.de
+ L: linux-wireless@vger.kernel.org
+ W: http://wireless.kernel.org/en/users/Drivers/ar9170
+ S: Maintained
+ F: drivers/net/wireless/ar9170/
+
ATI_REMOTE2 DRIVER
P: Ville Syrjala
M: syrjala@sci.fi
S: Supported
BROADCOM TG3 GIGABIT ETHERNET DRIVER
+ P: Matt Carlson
+ M: mcarlson@broadcom.com
P: Michael Chan
M: mchan@broadcom.com
L: netdev@vger.kernel.org
P: Mauro Carvalho Chehab
M: mchehab@infradead.org
L: linux-media@vger.kernel.org
- L: video4linux-list@redhat.com
W: http://linuxtv.org
T: git kernel.org:/pub/scm/linux/kernel/git/mchehab/linux-2.6.git
S: Maintained
T: git kernel.org:/pub/scm/linux/kernel/git/herbert/crypto-2.6.git
S: Maintained
+ CRYPTOGRAPHIC RANDOM NUMBER GENERATOR
+ P: Neil Horman
+ M: nhorman@tuxdriver.com
+ L: linux-crypto@vger.kernel.org
+ S: Maintained
+
CS5535 Audio ALSA driver
P: Jaya Kumar
M: jayakumar.alsa@gmail.com
M: Douglas_Warzecha@dell.com
S: Maintained
+DELL WMI EXTRAS DRIVER
+P: Matthew Garrett
+M: mjg59@srcf.ucam.org
+S: Maintained
+
DEVICE NUMBER REGISTRY
P: Torben Mathiasen
M: device@lanana.org
L: linux-fsdevel@vger.kernel.org
S: Maintained
+ FINTEK F75375S HARDWARE MONITOR AND FAN CONTROLLER DRIVER
+ P: Riku Voipio
+ M: riku.vipio@iki.fi
+ L: lm-sensors@lm-sensors.org
+ S: Maintained
+
FIREWIRE SUBSYSTEM (drivers/firewire, <linux/firewire*.h>)
P: Kristian Hoegsberg, Stefan Richter
M: krh@redhat.com, stefanr@s5r6.in-berlin.de
W: http://www.kernel.org/pub/linux/kernel/people/fseidel/hdaps/
S: Maintained
+ HYPERVISOR VIRTUAL CONSOLE DRIVER
+ L: linuxppc-dev@ozlabs.org
+ L: linux-kernel@vger.kernel.org
+ S: Odd Fixes
+ F: drivers/char/hvc_*
+
GSPCA FINEPIX SUBDRIVER
P: Frank Zago
M: frank@zago.net
T: quilt kernel.org/pub/linux/kernel/people/bart/pata-2.6/
S: Maintained
- IDE/ATAPI CDROM DRIVER
+ IDE/ATAPI DRIVERS
P: Borislav Petkov
M: petkovbb@gmail.com
L: linux-ide@vger.kernel.org
S: Maintained
- IDE/ATAPI FLOPPY DRIVERS
- P: Paul Bristow
- M: Paul Bristow <paul@paulbristow.net>
- W: http://paulbristow.net/linux/idefloppy.html
- L: linux-kernel@vger.kernel.org
- S: Maintained
-
- IDE/ATAPI TAPE DRIVERS
- P: Gadi Oxman
- M: Gadi Oxman <gadio@netvision.net.il>
- L: linux-kernel@vger.kernel.org
- S: Maintained
-
IDLE-I7300
P: Andy Henroid
M: andrew.d.henroid@intel.com
L: linux1394-devel@lists.sourceforge.net
S: Maintained
+ INTEGRITY MEASUREMENT ARCHITECTURE (IMA)
+ P: Mimi Zohar
+ M: zohar@us.ibm.com
+ S: Supported
+
IMS TWINTURBO FRAMEBUFFER DRIVER
L: linux-fbdev-devel@lists.sourceforge.net (moderated for non-subscribers)
S: Orphan
M: zippel@linux-m68k.org
L: linux-m68k@lists.linux-m68k.org
W: http://www.linux-m68k.org/
- W: http://linux-m68k-cvs.ubb.ca/
+ T: git git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k.git
S: Maintained
M68K ON APPLE MACINTOSH
L: netem@lists.linux-foundation.org
S: Maintained
- NETERION (S2IO) Xframe 10GbE DRIVER
+ NETERION (S2IO) 10GbE DRIVER (xframe/vxge)
P: Ramkrishna Vepa
M: ram.vepa@neterion.com
P: Rastapur Santosh
M: sivakumar.subramani@neterion.com
P: Sreenivasa Honnur
M: sreenivasa.honnur@neterion.com
+ P: Anil Murthy
+ M: anil.murthy@neterion.com
L: netdev@vger.kernel.org
- W: http://trac.neterion.com/cgi-bin/trac.cgi/wiki/TitleIndex?anonymous
+ W: http://trac.neterion.com/cgi-bin/trac.cgi/wiki/Linux?Anonymous
+ W: http://trac.neterion.com/cgi-bin/trac.cgi/wiki/X3100Linux?Anonymous
S: Supported
NETFILTER/IPTABLES/IPCHAINS
W: http://www.nongnu.org/orinoco/
S: Maintained
+ OSD LIBRARY
+ P: Boaz Harrosh
+ M: bharrosh@panasas.com
+ P: Benny Halevy
+ M: bhalevy@panasas.com
+ L: osd-dev@open-osd.org
+ W: http://open-osd.org
+ T: git://git.open-osd.org/open-osd.git
+ S: Maintained
+
P54 WIRELESS DRIVER
P: Michael Wu
M: flamingice@sourmilk.net
M: jim.cromie@gmail.com
S: Maintained
+ PCA9532 LED DRIVER
+ P: Riku Voipio
+ M: riku.voipio@iki.fi
+ S: Maintained
+
PCI ERROR RECOVERY
P: Linas Vepstas
M: linas@austin.ibm.com
L: linux-arm-kernel@lists.arm.linux.org.uk (subscribers-only)
S: Maintained
+ PXA168 SUPPORT
+ P: Eric Miao
+ M: eric.miao@marvell.com
+ P: Jason Chagas
+ M: jason.chagas@marvell.com
+ L: linux-arm-kernel@lists.arm.linux.org.uk (subscribers-only)
+ T: git kernel.org:/pub/scm/linux/kernel/git/ycmiao/pxa-linux-2.6.git
+ S: Supported
+
+ PXA910 SUPPORT
+ P: Eric Miao
+ M: eric.miao@marvell.com
+ L: linux-arm-kernel@lists.arm.linux.org.uk (subscribers-only)
+ T: git kernel.org:/pub/scm/linux/kernel/git/ycmiao/pxa-linux-2.6.git
+ S: Supported
+
PXA MMCI DRIVER
S: Orphan
RALINK RT2X00 WIRELESS LAN DRIVER
P: rt2x00 project
L: linux-wireless@vger.kernel.org
- L: rt2400-devel@lists.sourceforge.net
+ L: users@rt2x00.serialmonkey.com
W: http://rt2x00.serialmonkey.com/
S: Maintained
T: git kernel.org:/pub/scm/linux/kernel/git/ivd/rt2x00.git
L: netdev@vger.kernel.org
S: Maintained
+ RDS - RELIABLE DATAGRAM SOCKETS
+ P: Andy Grover
+ M: andy.grover@oracle.com
+ L: rds-devel@oss.oracle.com
+ S: Supported
+
READ-COPY UPDATE (RCU)
P: Dipankar Sarma
M: dipankar@in.ibm.com
W: http://www.ibm.com/developerworks/linux/linux390/
S: Supported
+ S390 ZCRYPT DRIVER
+ P: Felix Beck
+ M: felix.beck@de.ibm.com
+ P: Ralph Wuerthner
+ M: ralph.wuerthner@de.ibm.com
+ M: linux390@de.ibm.com
+ L: linux-s390@vger.kernel.org
+ S: Supported
+
S390 ZFCP DRIVER
P: Christof Schmitt
M: christof.schmitt@de.ibm.com
L: linux-kernel@vger.kernel.org
L: linux-security-module@vger.kernel.org (suggested Cc:)
T: git kernel.org:pub/scm/linux/kernel/git/jmorris/security-testing-2.6.git
+ W: http://security.wiki.kernel.org/
S: Supported
SECURITY CONTACT
W: http://sourceforge.net/projects/tlan/
S: Maintained
+ TOMOYO SECURITY MODULE
+ P: Kentaro Takeda
+ M: takedakn@nttdata.co.jp
+ P: Tetsuo Handa
+ M: penguin-kernel@I-love.SAKURA.ne.jp
+ L: linux-kernel@vger.kernel.org (kernel issues)
+ L: tomoyo-users-en@lists.sourceforge.jp (subscribers-only, for developers and users in English)
+ L: tomoyo-dev@lists.sourceforge.jp (subscribers-only, for developers in Japanese)
+ L: tomoyo-users@lists.sourceforge.jp (subscribers-only, for users in Japanese)
+ W: http://tomoyo.sourceforge.jp/
+ T: quilt http://svn.sourceforge.jp/svnroot/tomoyo/trunk/2.2.x/tomoyo-lsm/patches/
+ S: Maintained
+
TOSHIBA ACPI EXTRAS DRIVER
-P: John Belmonte
-M: toshiba_acpi@memebeam.org
-W: http://memebeam.org/toys/ToshibaAcpiDriver
-S: Maintained
+S: Orphan
TOSHIBA SMM DRIVER
P: Jonathan Buzzard
P: Mauro Carvalho Chehab
M: mchehab@infradead.org
L: linux-media@vger.kernel.org
- L: video4linux-list@redhat.com
W: http://linuxtv.org
T: git kernel.org:/pub/scm/linux/kernel/git/mchehab/linux-2.6.git
S: Maintained
P: Mark Brown
M: broonie@opensource.wolfsonmicro.com
W: http://opensource.wolfsonmicro.com/node/15
- W: http://www.slimlogic.co.uk/?page_id=5
+ W: http://www.slimlogic.co.uk/?p=48
T: git kernel.org/pub/scm/linux/kernel/git/lrg/voltage-2.6.git
S: Supported
XFS FILESYSTEM
P: Silicon Graphics Inc
- P: Bill O'Donnell
+ P: Felix Blyakher
+ M: felixb@sgi.com
M: xfs-masters@oss.sgi.com
L: xfs@oss.sgi.com
W: http://oss.sgi.com/projects/xfs
#include <asm/pgtable.h>
#include <asm/io_apic.h>
#include <asm/apic.h>
- #include <asm/genapic.h>
#include <asm/io.h>
#include <asm/mpspec.h>
#include <asm/smp.h>
- #ifdef CONFIG_X86_LOCAL_APIC
- # include <mach_apic.h>
- #endif
-
static int __initdata acpi_force = 0;
u32 acpi_rsdt_forced;
#ifdef CONFIG_ACPI
EXPORT_SYMBOL(acpi_disabled);
#ifdef CONFIG_X86_64
-
- #include <asm/proto.h>
-
- #else /* X86 */
-
- #ifdef CONFIG_X86_LOCAL_APIC
- #include <mach_apic.h>
- #include <mach_mpparse.h>
- #endif /* CONFIG_X86_LOCAL_APIC */
-
+ # include <asm/proto.h>
#endif /* X86 */
#define BAD_MADT_ENTRY(entry, end) ( \
*/
char *__init __acpi_map_table(unsigned long phys, unsigned long size)
{
- unsigned long base, offset, mapped_size;
- int idx;
if (!phys || !size)
return NULL;
- if (phys+size <= (max_low_pfn_mapped << PAGE_SHIFT))
- return __va(phys);
-
- offset = phys & (PAGE_SIZE - 1);
- mapped_size = PAGE_SIZE - offset;
- clear_fixmap(FIX_ACPI_END);
- set_fixmap(FIX_ACPI_END, phys);
- base = fix_to_virt(FIX_ACPI_END);
-
- /*
- * Most cases can be covered by the below.
- */
- idx = FIX_ACPI_END;
- while (mapped_size < size) {
- if (--idx < FIX_ACPI_BEGIN)
- return NULL; /* cannot handle this */
- phys += PAGE_SIZE;
- clear_fixmap(idx);
- set_fixmap(idx, phys);
- mapped_size += PAGE_SIZE;
- }
+ return early_ioremap(phys, size);
+ }
+ void __init __acpi_unmap_table(char *map, unsigned long size)
+ {
+ if (!map || !size)
+ return;
- return ((unsigned char *)base + offset);
+ early_iounmap(map, size);
}
#ifdef CONFIG_PCI_MMCONFIG
madt->address);
}
- acpi_madt_oem_check(madt->header.oem_id, madt->header.oem_table_id);
+ default_acpi_madt_oem_check(madt->header.oem_id,
+ madt->header.oem_table_id);
return 0;
}
generic_processor_info(id, ver);
}
+static int __init
+acpi_parse_x2apic(struct acpi_subtable_header *header, const unsigned long end)
+{
+ struct acpi_madt_local_x2apic *processor = NULL;
+
+ processor = (struct acpi_madt_local_x2apic *)header;
+
+ if (BAD_MADT_ENTRY(processor, end))
+ return -EINVAL;
+
+ acpi_table_print_madt_entry(header);
+
+#ifdef CONFIG_X86_X2APIC
+ /*
+ * We need to register disabled CPU as well to permit
+ * counting disabled CPUs. This allows us to size
+ * cpus_possible_map more accurately, to permit
+ * to not preallocating memory for all NR_CPUS
+ * when we use CPU hotplug.
+ */
+ acpi_register_lapic(processor->local_apic_id, /* APIC ID */
+ processor->lapic_flags & ACPI_MADT_ENABLED);
+#else
+ printk(KERN_WARNING PREFIX "x2apic entry ignored\n");
+#endif
+
+ return 0;
+}
+
static int __init
acpi_parse_lapic(struct acpi_subtable_header * header, const unsigned long end)
{
return 0;
}
+static int __init
+acpi_parse_x2apic_nmi(struct acpi_subtable_header *header,
+ const unsigned long end)
+{
+ struct acpi_madt_local_x2apic_nmi *x2apic_nmi = NULL;
+
+ x2apic_nmi = (struct acpi_madt_local_x2apic_nmi *)header;
+
+ if (BAD_MADT_ENTRY(x2apic_nmi, end))
+ return -EINVAL;
+
+ acpi_table_print_madt_entry(header);
+
+ if (x2apic_nmi->lint != 1)
+ printk(KERN_WARNING PREFIX "NMI not connected to LINT 1!\n");
+
+ return 0;
+}
+
static int __init
acpi_parse_lapic_nmi(struct acpi_subtable_header * header, const unsigned long end)
{
static int __init acpi_parse_madt_lapic_entries(void)
{
int count;
+ int x2count = 0;
if (!cpu_has_apic)
return -ENODEV;
count = acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_SAPIC,
acpi_parse_sapic, MAX_APICS);
- if (!count)
+ if (!count) {
+ x2count = acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_X2APIC,
+ acpi_parse_x2apic, MAX_APICS);
count = acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_APIC,
acpi_parse_lapic, MAX_APICS);
- if (!count) {
+ }
+ if (!count && !x2count) {
printk(KERN_ERR PREFIX "No LAPIC entries present\n");
/* TBD: Cleanup to allow fallback to MPS */
return -ENODEV;
- } else if (count < 0) {
+ } else if (count < 0 || x2count < 0) {
printk(KERN_ERR PREFIX "Error parsing LAPIC entry\n");
/* TBD: Cleanup to allow fallback to MPS */
return count;
}
+ x2count =
+ acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_X2APIC_NMI,
+ acpi_parse_x2apic_nmi, 0);
count =
acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_APIC_NMI, acpi_parse_lapic_nmi, 0);
- if (count < 0) {
+ if (count < 0 || x2count < 0) {
printk(KERN_ERR PREFIX "Error parsing LAPIC NMI entry\n");
/* TBD: Cleanup to allow fallback to MPS */
return count;
DECLARE_BITMAP(pin_programmed, MP_MAX_IOAPIC_PIN + 1);
} mp_ioapic_routing[MAX_IO_APICS];
- static int mp_find_ioapic(int gsi)
+ int mp_find_ioapic(int gsi)
{
int i = 0;
return -1;
}
+ int mp_find_ioapic_pin(int ioapic, int gsi)
+ {
+ if (WARN_ON(ioapic == -1))
+ return -1;
+ if (WARN_ON(gsi > mp_ioapic_routing[ioapic].gsi_end))
+ return -1;
+
+ return gsi - mp_ioapic_routing[ioapic].gsi_base;
+ }
+
static u8 __init uniq_ioapic_id(u8 id)
{
#ifdef CONFIG_X86_32
DECLARE_BITMAP(used, 256);
bitmap_zero(used, 256);
for (i = 0; i < nr_ioapics; i++) {
- struct mp_config_ioapic *ia = &mp_ioapics[i];
- __set_bit(ia->mp_apicid, used);
+ struct mpc_ioapic *ia = &mp_ioapics[i];
+ __set_bit(ia->apicid, used);
}
if (!test_bit(id, used))
return id;
idx = nr_ioapics;
- mp_ioapics[idx].mp_type = MP_IOAPIC;
- mp_ioapics[idx].mp_flags = MPC_APIC_USABLE;
- mp_ioapics[idx].mp_apicaddr = address;
+ mp_ioapics[idx].type = MP_IOAPIC;
+ mp_ioapics[idx].flags = MPC_APIC_USABLE;
+ mp_ioapics[idx].apicaddr = address;
set_fixmap_nocache(FIX_IO_APIC_BASE_0 + idx, address);
- mp_ioapics[idx].mp_apicid = uniq_ioapic_id(id);
+ mp_ioapics[idx].apicid = uniq_ioapic_id(id);
#ifdef CONFIG_X86_32
- mp_ioapics[idx].mp_apicver = io_apic_get_version(idx);
+ mp_ioapics[idx].apicver = io_apic_get_version(idx);
#else
- mp_ioapics[idx].mp_apicver = 0;
+ mp_ioapics[idx].apicver = 0;
#endif
/*
* Build basic GSI lookup table to facilitate gsi->io_apic lookups
* and to prevent reprogramming of IOAPIC pins (PCI GSIs).
*/
- mp_ioapic_routing[idx].apic_id = mp_ioapics[idx].mp_apicid;
+ mp_ioapic_routing[idx].apic_id = mp_ioapics[idx].apicid;
mp_ioapic_routing[idx].gsi_base = gsi_base;
mp_ioapic_routing[idx].gsi_end = gsi_base +
io_apic_get_redir_entries(idx);
- printk(KERN_INFO "IOAPIC[%d]: apic_id %d, version %d, address 0x%lx, "
- "GSI %d-%d\n", idx, mp_ioapics[idx].mp_apicid,
- mp_ioapics[idx].mp_apicver, mp_ioapics[idx].mp_apicaddr,
+ printk(KERN_INFO "IOAPIC[%d]: apic_id %d, version %d, address 0x%x, "
+ "GSI %d-%d\n", idx, mp_ioapics[idx].apicid,
+ mp_ioapics[idx].apicver, mp_ioapics[idx].apicaddr,
mp_ioapic_routing[idx].gsi_base, mp_ioapic_routing[idx].gsi_end);
nr_ioapics++;
return max_gsi + 1;
}
- static void assign_to_mp_irq(struct mp_config_intsrc *m,
- struct mp_config_intsrc *mp_irq)
+ static void assign_to_mp_irq(struct mpc_intsrc *m,
+ struct mpc_intsrc *mp_irq)
{
- memcpy(mp_irq, m, sizeof(struct mp_config_intsrc));
+ memcpy(mp_irq, m, sizeof(struct mpc_intsrc));
}
- static int mp_irq_cmp(struct mp_config_intsrc *mp_irq,
- struct mp_config_intsrc *m)
+ static int mp_irq_cmp(struct mpc_intsrc *mp_irq,
+ struct mpc_intsrc *m)
{
- return memcmp(mp_irq, m, sizeof(struct mp_config_intsrc));
+ return memcmp(mp_irq, m, sizeof(struct mpc_intsrc));
}
- static void save_mp_irq(struct mp_config_intsrc *m)
+ static void save_mp_irq(struct mpc_intsrc *m)
{
int i;
{
int ioapic;
int pin;
- struct mp_config_intsrc mp_irq;
+ struct mpc_intsrc mp_irq;
/*
* Convert 'gsi' to 'ioapic.pin'.
ioapic = mp_find_ioapic(gsi);
if (ioapic < 0)
return;
- pin = gsi - mp_ioapic_routing[ioapic].gsi_base;
+ pin = mp_find_ioapic_pin(ioapic, gsi);
/*
* TBD: This check is for faulty timer entries, where the override
if ((bus_irq == 0) && (trigger == 3))
trigger = 1;
- mp_irq.mp_type = MP_INTSRC;
- mp_irq.mp_irqtype = mp_INT;
- mp_irq.mp_irqflag = (trigger << 2) | polarity;
- mp_irq.mp_srcbus = MP_ISA_BUS;
- mp_irq.mp_srcbusirq = bus_irq; /* IRQ */
- mp_irq.mp_dstapic = mp_ioapics[ioapic].mp_apicid; /* APIC ID */
- mp_irq.mp_dstirq = pin; /* INTIN# */
+ mp_irq.type = MP_INTSRC;
+ mp_irq.irqtype = mp_INT;
+ mp_irq.irqflag = (trigger << 2) | polarity;
+ mp_irq.srcbus = MP_ISA_BUS;
+ mp_irq.srcbusirq = bus_irq; /* IRQ */
+ mp_irq.dstapic = mp_ioapics[ioapic].apicid; /* APIC ID */
+ mp_irq.dstirq = pin; /* INTIN# */
save_mp_irq(&mp_irq);
}
int i;
int ioapic;
unsigned int dstapic;
- struct mp_config_intsrc mp_irq;
+ struct mpc_intsrc mp_irq;
#if defined (CONFIG_MCA) || defined (CONFIG_EISA)
/*
ioapic = mp_find_ioapic(0);
if (ioapic < 0)
return;
- dstapic = mp_ioapics[ioapic].mp_apicid;
+ dstapic = mp_ioapics[ioapic].apicid;
/*
* Use the default configuration for the IRQs 0-15. Unless
int idx;
for (idx = 0; idx < mp_irq_entries; idx++) {
- struct mp_config_intsrc *irq = mp_irqs + idx;
+ struct mpc_intsrc *irq = mp_irqs + idx;
/* Do we already have a mapping for this ISA IRQ? */
- if (irq->mp_srcbus == MP_ISA_BUS
- && irq->mp_srcbusirq == i)
+ if (irq->srcbus == MP_ISA_BUS && irq->srcbusirq == i)
break;
/* Do we already have a mapping for this IOAPIC pin */
- if (irq->mp_dstapic == dstapic &&
- irq->mp_dstirq == i)
+ if (irq->dstapic == dstapic && irq->dstirq == i)
break;
}
continue; /* IRQ already used */
}
- mp_irq.mp_type = MP_INTSRC;
- mp_irq.mp_irqflag = 0; /* Conforming */
- mp_irq.mp_srcbus = MP_ISA_BUS;
- mp_irq.mp_dstapic = dstapic;
- mp_irq.mp_irqtype = mp_INT;
- mp_irq.mp_srcbusirq = i; /* Identity mapped */
- mp_irq.mp_dstirq = i;
+ mp_irq.type = MP_INTSRC;
+ mp_irq.irqflag = 0; /* Conforming */
+ mp_irq.srcbus = MP_ISA_BUS;
+ mp_irq.dstapic = dstapic;
+ mp_irq.irqtype = mp_INT;
+ mp_irq.srcbusirq = i; /* Identity mapped */
+ mp_irq.dstirq = i;
save_mp_irq(&mp_irq);
}
return gsi;
}
- ioapic_pin = gsi - mp_ioapic_routing[ioapic].gsi_base;
+ ioapic_pin = mp_find_ioapic_pin(ioapic, gsi);
#ifdef CONFIG_X86_32
if (ioapic_renumber_irq)
u32 gsi, int triggering, int polarity)
{
#ifdef CONFIG_X86_MPPARSE
- struct mp_config_intsrc mp_irq;
+ struct mpc_intsrc mp_irq;
int ioapic;
if (!acpi_ioapic)
return 0;
/* print the entry should happen on mptable identically */
- mp_irq.mp_type = MP_INTSRC;
- mp_irq.mp_irqtype = mp_INT;
- mp_irq.mp_irqflag = (triggering == ACPI_EDGE_SENSITIVE ? 4 : 0x0c) |
+ mp_irq.type = MP_INTSRC;
+ mp_irq.irqtype = mp_INT;
+ mp_irq.irqflag = (triggering == ACPI_EDGE_SENSITIVE ? 4 : 0x0c) |
(polarity == ACPI_ACTIVE_HIGH ? 1 : 3);
- mp_irq.mp_srcbus = number;
- mp_irq.mp_srcbusirq = (((devfn >> 3) & 0x1f) << 2) | ((pin - 1) & 3);
+ mp_irq.srcbus = number;
+ mp_irq.srcbusirq = (((devfn >> 3) & 0x1f) << 2) | ((pin - 1) & 3);
ioapic = mp_find_ioapic(gsi);
- mp_irq.mp_dstapic = mp_ioapic_routing[ioapic].apic_id;
- mp_irq.mp_dstirq = gsi - mp_ioapic_routing[ioapic].gsi_base;
+ mp_irq.dstapic = mp_ioapic_routing[ioapic].apic_id;
+ mp_irq.dstirq = mp_find_ioapic_pin(ioapic, gsi);
save_mp_irq(&mp_irq);
#endif
if (!error) {
acpi_lapic = 1;
- #ifdef CONFIG_X86_GENERICARCH
+ #ifdef CONFIG_X86_BIGSMP
generic_bigsmp_probe();
#endif
/*
acpi_ioapic = 1;
smp_found_config = 1;
- #ifdef CONFIG_X86_32
- setup_apic_routing();
- #endif
+ if (apic->setup_apic_routing)
+ apic->setup_apic_routing();
}
}
if (error == -EINVAL) {
/*
* If your system is blacklisted here, but you find that acpi=force
- * works for you, please contact acpi-devel@sourceforge.net
+ * works for you, please contact linux-acpi@vger.kernel.org
*/
static struct dmi_system_id __initdata acpi_dmi_table[] = {
/*
/*
- * acpi-cpufreq.c - ACPI Processor P-States Driver ($Revision: 1.4 $)
+ * acpi-cpufreq.c - ACPI Processor P-States Driver
*
* Copyright (C) 2001, 2002 Andy Grover <andrew.grover@intel.com>
* Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
#include <linux/ftrace.h>
#include <linux/acpi.h>
+ #include <linux/io.h>
+ #include <linux/delay.h>
+ #include <linux/uaccess.h>
+
#include <acpi/processor.h>
- #include <asm/io.h>
#include <asm/msr.h>
#include <asm/processor.h>
#include <asm/cpufeature.h>
- #include <asm/delay.h>
- #include <asm/uaccess.h>
- #define dprintk(msg...) cpufreq_debug_printk(CPUFREQ_DEBUG_DRIVER, "acpi-cpufreq", msg)
+ #define dprintk(msg...) cpufreq_debug_printk(CPUFREQ_DEBUG_DRIVER, \
+ "acpi-cpufreq", msg)
MODULE_AUTHOR("Paul Diefenbaugh, Dominik Brodowski");
MODULE_DESCRIPTION("ACPI Processor P-States Driver");
perf = data->acpi_data;
- for (i=0; i<perf->state_count; i++) {
+ for (i = 0; i < perf->state_count; i++) {
if (value == perf->states[i].status)
return data->freq_table[i].frequency;
}
msr &= INTEL_MSR_RANGE;
perf = data->acpi_data;
- for (i=0; data->freq_table[i].frequency != CPUFREQ_TABLE_END; i++) {
+ for (i = 0; data->freq_table[i].frequency != CPUFREQ_TABLE_END; i++) {
if (msr == perf->states[data->freq_table[i].index].status)
return data->freq_table[i].frequency;
}
u8 bit_width;
};
- typedef union {
- struct msr_addr msr;
- struct io_addr io;
- } drv_addr_union;
-
struct drv_cmd {
unsigned int type;
const struct cpumask *mask;
- drv_addr_union addr;
+ union {
+ struct msr_addr msr;
+ struct io_addr io;
+ } addr;
u32 val;
};
unsigned int cur_freq;
unsigned int i;
- for (i=0; i<100; i++) {
+ for (i = 0; i < 100; i++) {
cur_freq = extract_freq(get_cur_val(mask), data);
if (cur_freq == freq)
return 1;
unsigned long freq;
unsigned long freqn = perf->states[0].core_frequency * 1000;
- for (i=0; i<(perf->state_count-1); i++) {
+ for (i = 0; i < (perf->state_count-1); i++) {
freq = freqn;
freqn = perf->states[i+1].core_frequency * 1000;
if ((2 * cpu_khz) > (freqn + freq)) {
if (!data)
return -ENOMEM;
- data->acpi_data = percpu_ptr(acpi_perf_data, cpu);
+ data->acpi_data = per_cpu_ptr(acpi_perf_data, cpu);
per_cpu(drv_data, cpu) = data;
if (cpu_has(c, X86_FEATURE_CONSTANT_TSC))
/* detect transition latency */
policy->cpuinfo.transition_latency = 0;
- for (i=0; i<perf->state_count; i++) {
+ for (i = 0; i < perf->state_count; i++) {
if ((perf->states[i].transition_latency * 1000) >
policy->cpuinfo.transition_latency)
policy->cpuinfo.transition_latency =
perf->states[i].transition_latency * 1000;
}
+ /* Check for high latency (>20uS) from buggy BIOSes, like on T42 */
+ if (perf->control_register.space_id == ACPI_ADR_SPACE_FIXED_HARDWARE &&
+ policy->cpuinfo.transition_latency > 20 * 1000) {
+ static int print_once;
+ policy->cpuinfo.transition_latency = 20 * 1000;
+ if (!print_once) {
+ print_once = 1;
+ printk(KERN_INFO "Capping off P-state tranision latency"
+ " at 20 uS\n");
+ }
+ }
+
data->max_freq = perf->states[0].core_frequency * 1000;
/* table init */
- for (i=0; i<perf->state_count; i++) {
- if (i>0 && perf->states[i].core_frequency >=
+ for (i = 0; i < perf->state_count; i++) {
+ if (i > 0 && perf->states[i].core_frequency >=
data->freq_table[valid_states-1].frequency / 1000)
continue;
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/delay.h>
+ #include <linux/timex.h>
+ #include <linux/io.h>
+ #include <linux/acpi.h>
+ #include <linux/kernel.h>
#include <asm/msr.h>
- #include <asm/timex.h>
- #include <asm/io.h>
- #include <asm/acpi.h>
- #include <linux/acpi.h>
#include <acpi/processor.h>
#include "longhaul.h"
#define USE_NORTHBRIDGE (1 << 2)
static int cpu_model;
- static unsigned int numscales=16;
+ static unsigned int numscales = 16;
static unsigned int fsb;
static const struct mV_pos *vrm_mV_table;
static unsigned int highest_speed, lowest_speed; /* kHz */
static unsigned int minmult, maxmult;
static int can_scale_voltage;
- static struct acpi_processor *pr = NULL;
- static struct acpi_processor_cx *cx = NULL;
+ static struct acpi_processor *pr;
+ static struct acpi_processor_cx *cx;
static u32 acpi_regs_addr;
static u8 longhaul_flags;
static unsigned int longhaul_index;
static int disable_acpi_c3;
static int revid_errata;
- #define dprintk(msg...) cpufreq_debug_printk(CPUFREQ_DEBUG_DRIVER, "longhaul", msg)
+ #define dprintk(msg...) cpufreq_debug_printk(CPUFREQ_DEBUG_DRIVER, \
+ "longhaul", msg)
/* Clock ratios multiplied by 10 */
- static int clock_ratio[32];
- static int eblcr_table[32];
+ static int mults[32];
+ static int eblcr[32];
static int longhaul_version;
static struct cpufreq_frequency_table *longhaul_table;
static char *print_speed(int speed)
{
if (speed < 1000) {
- snprintf(speedbuffer, sizeof(speedbuffer),"%dMHz", speed);
+ snprintf(speedbuffer, sizeof(speedbuffer), "%dMHz", speed);
return speedbuffer;
}
static int longhaul_get_cpu_mult(void)
{
- unsigned long invalue=0,lo, hi;
+ unsigned long invalue = 0, lo, hi;
- rdmsr (MSR_IA32_EBL_CR_POWERON, lo, hi);
- invalue = (lo & (1<<22|1<<23|1<<24|1<<25)) >>22;
- if (longhaul_version==TYPE_LONGHAUL_V2 || longhaul_version==TYPE_POWERSAVER) {
+ rdmsr(MSR_IA32_EBL_CR_POWERON, lo, hi);
+ invalue = (lo & (1<<22|1<<23|1<<24|1<<25))>>22;
+ if (longhaul_version == TYPE_LONGHAUL_V2 ||
+ longhaul_version == TYPE_POWERSAVER) {
if (lo & (1<<27))
- invalue+=16;
+ invalue += 16;
}
- return eblcr_table[invalue];
+ return eblcr[invalue];
}
/* For processor with BCR2 MSR */
- static void do_longhaul1(unsigned int clock_ratio_index)
+ static void do_longhaul1(unsigned int mults_index)
{
union msr_bcr2 bcr2;
rdmsrl(MSR_VIA_BCR2, bcr2.val);
/* Enable software clock multiplier */
bcr2.bits.ESOFTBF = 1;
- bcr2.bits.CLOCKMUL = clock_ratio_index & 0xff;
+ bcr2.bits.CLOCKMUL = mults_index & 0xff;
/* Sync to timer tick */
safe_halt();
/* For processor with Longhaul MSR */
- static void do_powersaver(int cx_address, unsigned int clock_ratio_index,
+ static void do_powersaver(int cx_address, unsigned int mults_index,
unsigned int dir)
{
union msr_longhaul longhaul;
longhaul.bits.RevisionKey = longhaul.bits.RevisionID;
else
longhaul.bits.RevisionKey = 0;
- longhaul.bits.SoftBusRatio = clock_ratio_index & 0xf;
- longhaul.bits.SoftBusRatio4 = (clock_ratio_index & 0x10) >> 4;
+ longhaul.bits.SoftBusRatio = mults_index & 0xf;
+ longhaul.bits.SoftBusRatio4 = (mults_index & 0x10) >> 4;
/* Setup new voltage */
if (can_scale_voltage)
- longhaul.bits.SoftVID = (clock_ratio_index >> 8) & 0x1f;
+ longhaul.bits.SoftVID = (mults_index >> 8) & 0x1f;
/* Sync to timer tick */
safe_halt();
/* Raise voltage if necessary */
/**
* longhaul_set_cpu_frequency()
- * @clock_ratio_index : bitpattern of the new multiplier.
+ * @mults_index : bitpattern of the new multiplier.
*
* Sets a new clock ratio.
*/
static void longhaul_setstate(unsigned int table_index)
{
- unsigned int clock_ratio_index;
+ unsigned int mults_index;
int speed, mult;
struct cpufreq_freqs freqs;
unsigned long flags;
u32 bm_timeout = 1000;
unsigned int dir = 0;
- clock_ratio_index = longhaul_table[table_index].index;
+ mults_index = longhaul_table[table_index].index;
/* Safety precautions */
- mult = clock_ratio[clock_ratio_index & 0x1f];
+ mult = mults[mults_index & 0x1f];
if (mult == -1)
return;
speed = calc_speed(mult);
cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
- dprintk ("Setting to FSB:%dMHz Mult:%d.%dx (%s)\n",
+ dprintk("Setting to FSB:%dMHz Mult:%d.%dx (%s)\n",
fsb, mult/10, mult%10, print_speed(speed/1000));
retry_loop:
preempt_disable();
pic2_mask = inb(0xA1);
pic1_mask = inb(0x21); /* works on C3. save mask. */
- outb(0xFF,0xA1); /* Overkill */
- outb(0xFE,0x21); /* TMR0 only */
+ outb(0xFF, 0xA1); /* Overkill */
+ outb(0xFE, 0x21); /* TMR0 only */
/* Wait while PCI bus is busy. */
if (acpi_regs_addr && (longhaul_flags & USE_NORTHBRIDGE
outb(3, 0x22);
} else if ((pr != NULL) && pr->flags.bm_control) {
/* Disable bus master arbitration */
- acpi_set_register(ACPI_BITREG_ARB_DISABLE, 1);
+ acpi_write_bit_register(ACPI_BITREG_ARB_DISABLE, 1);
}
switch (longhaul_version) {
* Software controlled multipliers only.
*/
case TYPE_LONGHAUL_V1:
- do_longhaul1(clock_ratio_index);
+ do_longhaul1(mults_index);
break;
/*
case TYPE_POWERSAVER:
if (longhaul_flags & USE_ACPI_C3) {
/* Don't allow wakeup */
- acpi_set_register(ACPI_BITREG_BUS_MASTER_RLD, 0);
+ acpi_write_bit_register(ACPI_BITREG_BUS_MASTER_RLD, 0);
- do_powersaver(cx->address, clock_ratio_index, dir);
+ do_powersaver(cx->address, mults_index, dir);
} else {
- do_powersaver(0, clock_ratio_index, dir);
+ do_powersaver(0, mults_index, dir);
}
break;
}
outb(0, 0x22);
} else if ((pr != NULL) && pr->flags.bm_control) {
/* Enable bus master arbitration */
- acpi_set_register(ACPI_BITREG_ARB_DISABLE, 0);
+ acpi_write_bit_register(ACPI_BITREG_ARB_DISABLE, 0);
}
- outb(pic2_mask,0xA1); /* restore mask */
- outb(pic1_mask,0x21);
+ outb(pic2_mask, 0xA1); /* restore mask */
+ outb(pic1_mask, 0x21);
local_irq_restore(flags);
preempt_enable();
cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
if (!bm_timeout)
- printk(KERN_INFO PFX "Warning: Timeout while waiting for idle PCI bus.\n");
+ printk(KERN_INFO PFX "Warning: Timeout while waiting for "
+ "idle PCI bus.\n");
}
/*
break;
}
- dprintk ("MinMult:%d.%dx MaxMult:%d.%dx\n",
+ dprintk("MinMult:%d.%dx MaxMult:%d.%dx\n",
minmult/10, minmult%10, maxmult/10, maxmult%10);
highest_speed = calc_speed(maxmult);
lowest_speed = calc_speed(minmult);
- dprintk ("FSB:%dMHz Lowest speed: %s Highest speed:%s\n", fsb,
+ dprintk("FSB:%dMHz Lowest speed: %s Highest speed:%s\n", fsb,
print_speed(lowest_speed/1000),
print_speed(highest_speed/1000));
if (lowest_speed == highest_speed) {
- printk (KERN_INFO PFX "highestspeed == lowest, aborting.\n");
+ printk(KERN_INFO PFX "highestspeed == lowest, aborting.\n");
return -EINVAL;
}
if (lowest_speed > highest_speed) {
- printk (KERN_INFO PFX "nonsense! lowest (%d > %d) !\n",
+ printk(KERN_INFO PFX "nonsense! lowest (%d > %d) !\n",
lowest_speed, highest_speed);
return -EINVAL;
}
- longhaul_table = kmalloc((numscales + 1) * sizeof(struct cpufreq_frequency_table), GFP_KERNEL);
- if(!longhaul_table)
+ longhaul_table = kmalloc((numscales + 1) * sizeof(*longhaul_table),
+ GFP_KERNEL);
+ if (!longhaul_table)
return -ENOMEM;
for (j = 0; j < numscales; j++) {
- ratio = clock_ratio[j];
+ ratio = mults[j];
if (ratio == -1)
continue;
if (ratio > maxmult || ratio < minmult)
}
}
if (min_i != j) {
- unsigned int temp;
- temp = longhaul_table[j].frequency;
- longhaul_table[j].frequency = longhaul_table[min_i].frequency;
- longhaul_table[min_i].frequency = temp;
- temp = longhaul_table[j].index;
- longhaul_table[j].index = longhaul_table[min_i].index;
- longhaul_table[min_i].index = temp;
+ swap(longhaul_table[j].frequency,
+ longhaul_table[min_i].frequency);
+ swap(longhaul_table[j].index,
+ longhaul_table[min_i].index);
}
}
/* Find index we are running on */
for (j = 0; j < k; j++) {
- if (clock_ratio[longhaul_table[j].index & 0x1f] == mult) {
+ if (mults[longhaul_table[j].index & 0x1f] == mult) {
longhaul_index = j;
break;
}
maxvid = vrm_mV_table[longhaul.bits.MaximumVID];
if (minvid.mV == 0 || maxvid.mV == 0 || minvid.mV > maxvid.mV) {
- printk (KERN_INFO PFX "Bogus values Min:%d.%03d Max:%d.%03d. "
+ printk(KERN_INFO PFX "Bogus values Min:%d.%03d Max:%d.%03d. "
"Voltage scaling disabled.\n",
- minvid.mV/1000, minvid.mV%1000, maxvid.mV/1000, maxvid.mV%1000);
+ minvid.mV/1000, minvid.mV%1000,
+ maxvid.mV/1000, maxvid.mV%1000);
return;
}
if (minvid.mV == maxvid.mV) {
- printk (KERN_INFO PFX "Claims to support voltage scaling but min & max are "
- "both %d.%03d. Voltage scaling disabled\n",
+ printk(KERN_INFO PFX "Claims to support voltage scaling but "
+ "min & max are both %d.%03d. "
+ "Voltage scaling disabled\n",
maxvid.mV/1000, maxvid.mV%1000);
return;
}
- /* How many voltage steps */
+ /* How many voltage steps*/
numvscales = maxvid.pos - minvid.pos + 1;
printk(KERN_INFO PFX
"Max VID=%d.%03d "
j = longhaul.bits.MinMHzBR;
if (longhaul.bits.MinMHzBR4)
j += 16;
- min_vid_speed = eblcr_table[j];
+ min_vid_speed = eblcr[j];
if (min_vid_speed == -1)
return;
switch (longhaul.bits.MinMHzFSB) {
pos = minvid.pos;
longhaul_table[j].index |= mV_vrm_table[pos] << 8;
vid = vrm_mV_table[mV_vrm_table[pos]];
- printk(KERN_INFO PFX "f: %d kHz, index: %d, vid: %d mV\n", speed, j, vid.mV);
+ printk(KERN_INFO PFX "f: %d kHz, index: %d, vid: %d mV\n",
+ speed, j, vid.mV);
j++;
}
unsigned int dir = 0;
u8 vid, current_vid;
- if (cpufreq_frequency_table_target(policy, longhaul_table, target_freq, relation, &table_index))
+ if (cpufreq_frequency_table_target(policy, longhaul_table, target_freq,
+ relation, &table_index))
return -EINVAL;
/* Don't set same frequency again */
* this in hardware, C3 is old and we need to do this
* in software. */
i = longhaul_index;
- current_vid = (longhaul_table[longhaul_index].index >> 8) & 0x1f;
+ current_vid = (longhaul_table[longhaul_index].index >> 8);
+ current_vid &= 0x1f;
if (table_index > longhaul_index)
dir = 1;
while (i != table_index) {
{
struct acpi_device *d;
- if ( acpi_bus_get_device(obj_handle, &d) ) {
+ if (acpi_bus_get_device(obj_handle, &d))
return 0;
- }
+
*return_value = acpi_driver_data(d);
return 1;
}
/* Find VT8235 southbridge */
dev = pci_get_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8235, NULL);
if (dev == NULL)
- /* Find VT8237 southbridge */
+ /* Find VT8237 southbridge */
dev = pci_get_device(PCI_VENDOR_ID_VIA,
PCI_DEVICE_ID_VIA_8237, NULL);
if (dev != NULL) {
if (pci_cmd & 1 << 7) {
pci_read_config_dword(dev, 0x88, &acpi_regs_addr);
acpi_regs_addr &= 0xff00;
- printk(KERN_INFO PFX "ACPI I/O at 0x%x\n", acpi_regs_addr);
+ printk(KERN_INFO PFX "ACPI I/O at 0x%x\n",
+ acpi_regs_addr);
}
pci_dev_put(dev);
static int __init longhaul_cpu_init(struct cpufreq_policy *policy)
{
struct cpuinfo_x86 *c = &cpu_data(0);
- char *cpuname=NULL;
+ char *cpuname = NULL;
int ret;
u32 lo, hi;
cpu_model = CPU_SAMUEL;
cpuname = "C3 'Samuel' [C5A]";
longhaul_version = TYPE_LONGHAUL_V1;
- memcpy (clock_ratio, samuel1_clock_ratio, sizeof(samuel1_clock_ratio));
- memcpy (eblcr_table, samuel1_eblcr, sizeof(samuel1_eblcr));
+ memcpy(mults, samuel1_mults, sizeof(samuel1_mults));
+ memcpy(eblcr, samuel1_eblcr, sizeof(samuel1_eblcr));
break;
case 7:
cpuname = "C3 'Samuel 2' [C5B]";
/* Note, this is not a typo, early Samuel2's had
* Samuel1 ratios. */
- memcpy(clock_ratio, samuel1_clock_ratio,
- sizeof(samuel1_clock_ratio));
- memcpy(eblcr_table, samuel2_eblcr,
- sizeof(samuel2_eblcr));
+ memcpy(mults, samuel1_mults, sizeof(samuel1_mults));
+ memcpy(eblcr, samuel2_eblcr, sizeof(samuel2_eblcr));
break;
case 1 ... 15:
longhaul_version = TYPE_LONGHAUL_V1;
cpu_model = CPU_EZRA;
cpuname = "C3 'Ezra' [C5C]";
}
- memcpy(clock_ratio, ezra_clock_ratio,
- sizeof(ezra_clock_ratio));
- memcpy(eblcr_table, ezra_eblcr,
- sizeof(ezra_eblcr));
+ memcpy(mults, ezra_mults, sizeof(ezra_mults));
+ memcpy(eblcr, ezra_eblcr, sizeof(ezra_eblcr));
break;
}
break;
cpu_model = CPU_EZRA_T;
cpuname = "C3 'Ezra-T' [C5M]";
longhaul_version = TYPE_POWERSAVER;
- numscales=32;
- memcpy (clock_ratio, ezrat_clock_ratio, sizeof(ezrat_clock_ratio));
- memcpy (eblcr_table, ezrat_eblcr, sizeof(ezrat_eblcr));
+ numscales = 32;
+ memcpy(mults, ezrat_mults, sizeof(ezrat_mults));
+ memcpy(eblcr, ezrat_eblcr, sizeof(ezrat_eblcr));
break;
case 9:
longhaul_version = TYPE_POWERSAVER;
numscales = 32;
- memcpy(clock_ratio,
- nehemiah_clock_ratio,
- sizeof(nehemiah_clock_ratio));
- memcpy(eblcr_table, nehemiah_eblcr, sizeof(nehemiah_eblcr));
+ memcpy(mults, nehemiah_mults, sizeof(nehemiah_mults));
+ memcpy(eblcr, nehemiah_eblcr, sizeof(nehemiah_eblcr));
switch (c->x86_mask) {
case 0 ... 1:
cpu_model = CPU_NEHEMIAH;
longhaul_version = TYPE_LONGHAUL_V1;
}
- printk (KERN_INFO PFX "VIA %s CPU detected. ", cpuname);
+ printk(KERN_INFO PFX "VIA %s CPU detected. ", cpuname);
switch (longhaul_version) {
case TYPE_LONGHAUL_V1:
case TYPE_LONGHAUL_V2:
- printk ("Longhaul v%d supported.\n", longhaul_version);
+ printk(KERN_CONT "Longhaul v%d supported.\n", longhaul_version);
break;
case TYPE_POWERSAVER:
- printk ("Powersaver supported.\n");
+ printk(KERN_CONT "Powersaver supported.\n");
break;
};
return 0;
}
- static struct freq_attr* longhaul_attr[] = {
+ static struct freq_attr *longhaul_attr[] = {
&cpufreq_freq_attr_scaling_available_freqs,
NULL,
};
#ifdef CONFIG_SMP
if (num_online_cpus() > 1) {
- printk(KERN_ERR PFX "More than 1 CPU detected, longhaul disabled.\n");
+ printk(KERN_ERR PFX "More than 1 CPU detected, "
+ "longhaul disabled.\n");
return -ENODEV;
}
#endif
#ifdef CONFIG_X86_IO_APIC
if (cpu_has_apic) {
- printk(KERN_ERR PFX "APIC detected. Longhaul is currently broken in this configuration.\n");
+ printk(KERN_ERR PFX "APIC detected. Longhaul is currently "
+ "broken in this configuration.\n");
return -ENODEV;
}
#endif
{
int i;
- for (i=0; i < numscales; i++) {
- if (clock_ratio[i] == maxmult) {
+ for (i = 0; i < numscales; i++) {
+ if (mults[i] == maxmult) {
longhaul_setstate(i);
break;
}
/* Even if BIOS is exporting ACPI C3 state, and it is used
* with success when CPU is idle, this state doesn't
* trigger frequency transition in some cases. */
- module_param (disable_acpi_c3, int, 0644);
+ module_param(disable_acpi_c3, int, 0644);
MODULE_PARM_DESC(disable_acpi_c3, "Don't use ACPI C3 support");
/* Change CPU voltage with frequency. Very usefull to save
* power, but most VIA C3 processors aren't supporting it. */
- module_param (scale_voltage, int, 0644);
+ module_param(scale_voltage, int, 0644);
MODULE_PARM_DESC(scale_voltage, "Scale voltage of processor");
/* Force revision key to 0 for processors which doesn't
* support voltage scaling, but are introducing itself as
module_param(revid_errata, int, 0644);
MODULE_PARM_DESC(revid_errata, "Ignore CPU Revision ID");
- MODULE_AUTHOR ("Dave Jones <davej@redhat.com>");
- MODULE_DESCRIPTION ("Longhaul driver for VIA Cyrix processors.");
- MODULE_LICENSE ("GPL");
+ MODULE_AUTHOR("Dave Jones <davej@redhat.com>");
+ MODULE_DESCRIPTION("Longhaul driver for VIA Cyrix processors.");
+ MODULE_LICENSE("GPL");
late_initcall(longhaul_init);
module_exit(longhaul_exit);
#include <asm/proto.h>
#include <asm/numa.h>
#include <asm/e820.h>
- #include <asm/genapic.h>
+ #include <asm/apic.h>
+ #include <asm/uv/uv.h>
int acpi_numa __initdata;
reserve_early(phys, phys + length, "ACPI SLIT");
}
+/* Callback for Proximity Domain -> x2APIC mapping */
+void __init
+acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa)
+{
+ int pxm, node;
+ int apic_id;
+
+ if (srat_disabled())
+ return;
+ if (pa->header.length < sizeof(struct acpi_srat_x2apic_cpu_affinity)) {
+ bad_srat();
+ return;
+ }
+ if ((pa->flags & ACPI_SRAT_CPU_ENABLED) == 0)
+ return;
+ pxm = pa->proximity_domain;
+ node = setup_node(pxm);
+ if (node < 0) {
+ printk(KERN_ERR "SRAT: Too many proximity domains %x\n", pxm);
+ bad_srat();
+ return;
+ }
+
+ apic_id = pa->apic_id;
+ apicid_to_node[apic_id] = node;
+ acpi_numa = 1;
+ printk(KERN_INFO "SRAT: PXM %u -> APIC %u -> Node %u\n",
+ pxm, apic_id, node);
+}
+
/* Callback for Proximity Domain -> LAPIC mapping */
void __init
acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa)
* Root Table Array. This array contains the information of the RSDT/XSDT
* in a common, more useable format.
*/
- status =
- acpi_tb_parse_root_table(rsdp_address, ACPI_TABLE_ORIGIN_MAPPED);
+ status = acpi_tb_parse_root_table(rsdp_address);
return_ACPI_STATUS(status);
}
ACPI_EXPORT_SYMBOL(acpi_load_table)
-/******************************************************************************
+/*******************************************************************************
*
* FUNCTION: acpi_get_table_header
*
* NOTE: Caller is responsible in unmapping the header with
* acpi_os_unmap_memory
*
- *****************************************************************************/
+ ******************************************************************************/
acpi_status
acpi_get_table_header(char *signature,
u32 instance, struct acpi_table_header *out_table_header)
return (AE_BAD_PARAMETER);
}
- /*
- * Walk the root table list
- */
+ /* Walk the root table list */
+
for (i = 0, j = 0; i < acpi_gbl_root_table_list.count; i++) {
if (!ACPI_COMPARE_NAME
(&(acpi_gbl_root_table_list.tables[i].signature),
}
if (!acpi_gbl_root_table_list.tables[i].pointer) {
- if ((acpi_gbl_root_table_list.tables[i].
- flags & ACPI_TABLE_ORIGIN_MASK) ==
+ if ((acpi_gbl_root_table_list.tables[i].flags &
+ ACPI_TABLE_ORIGIN_MASK) ==
ACPI_TABLE_ORIGIN_MAPPED) {
header =
acpi_os_map_memory(acpi_gbl_root_table_list.
ACPI_EXPORT_SYMBOL(acpi_get_table_header)
-/******************************************************************************
+/*******************************************************************************
*
* FUNCTION: acpi_unload_table_id
*
/*******************************************************************************
*
- * FUNCTION: acpi_get_table
+ * FUNCTION: acpi_get_table_with_size
*
* PARAMETERS: Signature - ACPI signature of needed table
* Instance - Which instance (for SSDTs)
*
* DESCRIPTION: Finds and verifies an ACPI table.
*
- *****************************************************************************/
+ ******************************************************************************/
acpi_status
- acpi_get_table(char *signature,
- u32 instance, struct acpi_table_header **out_table)
+ acpi_get_table_with_size(char *signature,
+ u32 instance, struct acpi_table_header **out_table,
+ acpi_size *tbl_size)
{
u32 i;
u32 j;
return (AE_BAD_PARAMETER);
}
- /*
- * Walk the root table list
- */
+ /* Walk the root table list */
+
for (i = 0, j = 0; i < acpi_gbl_root_table_list.count; i++) {
if (!ACPI_COMPARE_NAME
(&(acpi_gbl_root_table_list.tables[i].signature),
acpi_tb_verify_table(&acpi_gbl_root_table_list.tables[i]);
if (ACPI_SUCCESS(status)) {
*out_table = acpi_gbl_root_table_list.tables[i].pointer;
+ *tbl_size = acpi_gbl_root_table_list.tables[i].length;
}
if (!acpi_gbl_permanent_mmap) {
return (AE_NOT_FOUND);
}
+ acpi_status
+ acpi_get_table(char *signature,
+ u32 instance, struct acpi_table_header **out_table)
+ {
+ acpi_size tbl_size;
+
+ return acpi_get_table_with_size(signature,
+ instance, out_table, &tbl_size);
+ }
ACPI_EXPORT_SYMBOL(acpi_get_table)
/*******************************************************************************
static acpi_status acpi_tb_load_namespace(void)
{
acpi_status status;
- struct acpi_table_header *table;
u32 i;
ACPI_FUNCTION_TRACE(tb_load_namespace);
goto unlock_and_exit;
}
- /*
- * Find DSDT table
- */
- status =
- acpi_os_table_override(acpi_gbl_root_table_list.
- tables[ACPI_TABLE_INDEX_DSDT].pointer,
- &table);
- if (ACPI_SUCCESS(status) && table) {
- /*
- * DSDT table has been found
- */
- acpi_tb_delete_table(&acpi_gbl_root_table_list.
- tables[ACPI_TABLE_INDEX_DSDT]);
- acpi_gbl_root_table_list.tables[ACPI_TABLE_INDEX_DSDT].pointer =
- table;
- acpi_gbl_root_table_list.tables[ACPI_TABLE_INDEX_DSDT].length =
- table->length;
- acpi_gbl_root_table_list.tables[ACPI_TABLE_INDEX_DSDT].flags =
- ACPI_TABLE_ORIGIN_UNKNOWN;
-
- ACPI_INFO((AE_INFO, "Table DSDT replaced by host OS"));
- acpi_tb_print_table_header(0, table);
-
- if (no_auto_ssdt == 0) {
- printk(KERN_WARNING "ACPI: DSDT override uses original SSDTs unless \"acpi_no_auto_ssdt\"\n");
- }
- }
+ /* A valid DSDT is required */
status =
acpi_tb_verify_table(&acpi_gbl_root_table_list.
tables[ACPI_TABLE_INDEX_DSDT]);
if (ACPI_FAILURE(status)) {
- /* A valid DSDT is required */
-
status = AE_NO_ACPI_TABLES;
goto unlock_and_exit;
}
(void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
- /*
- * Load and parse tables.
- */
+ /* Load and parse tables */
+
status = acpi_ns_load_table(ACPI_TABLE_INDEX_DSDT, acpi_gbl_root_node);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
- /*
- * Load any SSDT or PSDT tables. Note: Loop leaves tables locked
- */
+ /* Load any SSDT or PSDT tables. Note: Loop leaves tables locked */
+
(void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
for (i = 0; i < acpi_gbl_root_table_list.count; ++i) {
if ((!ACPI_COMPARE_NAME
ACPI_FUNCTION_TRACE(acpi_load_tables);
- /*
- * Load the namespace from the tables
- */
+ /* Load the namespace from the tables */
+
status = acpi_tb_load_namespace();
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status,
#include <linux/init.h>
#include <linux/types.h>
#include <linux/jiffies.h>
+#include <linux/async.h>
#ifdef CONFIG_ACPI_PROCFS_POWER
#include <linux/proc_fs.h>
#endif
struct acpi_device *device;
unsigned long update_time;
- int current_now;
+ int rate_now;
int capacity_now;
int voltage_now;
int design_capacity;
val->intval = battery->voltage_now * 1000;
break;
case POWER_SUPPLY_PROP_CURRENT_NOW:
- val->intval = battery->current_now * 1000;
+ case POWER_SUPPLY_PROP_POWER_NOW:
+ val->intval = battery->rate_now * 1000;
break;
case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN:
case POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN:
POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN,
POWER_SUPPLY_PROP_VOLTAGE_NOW,
POWER_SUPPLY_PROP_CURRENT_NOW,
+ POWER_SUPPLY_PROP_POWER_NOW,
POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN,
POWER_SUPPLY_PROP_ENERGY_FULL,
POWER_SUPPLY_PROP_ENERGY_NOW,
static struct acpi_offsets state_offsets[] = {
{offsetof(struct acpi_battery, state), 0},
- {offsetof(struct acpi_battery, current_now), 0},
+ {offsetof(struct acpi_battery, rate_now), 0},
{offsetof(struct acpi_battery, capacity_now), 0},
{offsetof(struct acpi_battery, voltage_now), 0},
};
else
seq_printf(seq, "charging state: charged\n");
- if (battery->current_now == ACPI_BATTERY_VALUE_UNKNOWN)
+ if (battery->rate_now == ACPI_BATTERY_VALUE_UNKNOWN)
seq_printf(seq, "present rate: unknown\n");
else
seq_printf(seq, "present rate: %d %s\n",
- battery->current_now, acpi_battery_units(battery));
+ battery->rate_now, acpi_battery_units(battery));
if (battery->capacity_now == ACPI_BATTERY_VALUE_UNKNOWN)
seq_printf(seq, "remaining capacity: unknown\n");
static struct battery_file {
struct file_operations ops;
mode_t mode;
- char *name;
+ const char *name;
} acpi_battery_file[] = {
FILE_DESCRIPTION_RO(info),
FILE_DESCRIPTION_RO(state),
acpi_battery_dir);
if (!acpi_device_dir(device))
return -ENODEV;
- acpi_device_dir(device)->owner = THIS_MODULE;
}
for (i = 0; i < ACPI_BATTERY_NUMFILES; ++i) {
},
};
-static int __init acpi_battery_init(void)
+static void __init acpi_battery_init_async(void *unused, async_cookie_t cookie)
{
if (acpi_disabled)
- return -ENODEV;
+ return;
#ifdef CONFIG_ACPI_PROCFS_POWER
acpi_battery_dir = acpi_lock_battery_dir();
if (!acpi_battery_dir)
- return -ENODEV;
+ return;
#endif
if (acpi_bus_register_driver(&acpi_battery_driver) < 0) {
#ifdef CONFIG_ACPI_PROCFS_POWER
acpi_unlock_battery_dir(acpi_battery_dir);
#endif
- return -ENODEV;
+ return;
}
+ return;
+}
+
+static int __init acpi_battery_init(void)
+{
+ async_schedule(acpi_battery_init_async, NULL);
return 0;
}
sizeof(struct dock_station *));
/* we want the dock device to send uevents */
- dock_device->dev.uevent_suppress = 0;
+ dev_set_uevent_suppress(&dock_device->dev, 0);
if (is_dock(handle))
dock_station->flags |= DOCK_IS_DOCK;
static void __exit dock_exit(void)
{
struct dock_station *dock_station;
+ struct dock_station *tmp;
unregister_acpi_bus_notifier(&dock_acpi_notifier);
- list_for_each_entry(dock_station, &dock_stations, sibiling)
+ list_for_each_entry_safe(dock_station, tmp, &dock_stations, sibiling)
dock_remove(dock_station);
}
};
/* thermal cooling device callbacks */
-static int fan_get_max_state(struct thermal_cooling_device *cdev, char *buf)
+static int fan_get_max_state(struct thermal_cooling_device *cdev, unsigned long
+ *state)
{
/* ACPI fan device only support two states: ON/OFF */
- return sprintf(buf, "1\n");
+ *state = 1;
+ return 0;
}
-static int fan_get_cur_state(struct thermal_cooling_device *cdev, char *buf)
+static int fan_get_cur_state(struct thermal_cooling_device *cdev, unsigned long
+ *state)
{
struct acpi_device *device = cdev->devdata;
- int state;
int result;
+ int acpi_state;
if (!device)
return -EINVAL;
- result = acpi_bus_get_power(device->handle, &state);
+ result = acpi_bus_get_power(device->handle, &acpi_state);
if (result)
return result;
- return sprintf(buf, "%s\n", state == ACPI_STATE_D3 ? "0" :
- (state == ACPI_STATE_D0 ? "1" : "unknown"));
+ *state = (acpi_state == ACPI_STATE_D3 ? 0 :
+ (acpi_state == ACPI_STATE_D0 ? 1 : -1));
+ return 0;
}
static int
-fan_set_cur_state(struct thermal_cooling_device *cdev, unsigned int state)
+fan_set_cur_state(struct thermal_cooling_device *cdev, unsigned long state)
{
struct acpi_device *device = cdev->devdata;
int result;
acpi_fan_dir);
if (!acpi_device_dir(device))
return -ENODEV;
- acpi_device_dir(device)->owner = THIS_MODULE;
}
/* 'status' [R/W] */
acpi_fan_dir = proc_mkdir(ACPI_FAN_CLASS, acpi_root_dir);
if (!acpi_fan_dir)
return -ENODEV;
- acpi_fan_dir->owner = THIS_MODULE;
#endif
result = acpi_bus_register_driver(&acpi_fan_driver);
}
EXPORT_SYMBOL_GPL(acpi_os_map_memory);
- void acpi_os_unmap_memory(void __iomem * virt, acpi_size size)
+ void __ref acpi_os_unmap_memory(void __iomem *virt, acpi_size size)
{
- if (acpi_gbl_permanent_mmap) {
+ if (acpi_gbl_permanent_mmap)
iounmap(virt);
- }
+ else
+ __acpi_unmap_table(virt, size);
}
EXPORT_SYMBOL_GPL(acpi_os_unmap_memory);
+ void __init early_acpi_os_unmap_memory(void __iomem *virt, acpi_size size)
+ {
+ if (!acpi_gbl_permanent_mmap)
+ __acpi_unmap_table(virt, size);
+ }
+
#ifdef ACPI_FUTURE_USAGE
acpi_status
acpi_os_get_physical_address(void *virt, acpi_physical_address * phys)
* in arbitrary AML code and can interfere with legacy drivers.
* acpi_enforce_resources= can be set to:
*
- * - strict (2)
+ * - strict (default) (2)
* -> further driver trying to access the resources will not load
- * - lax (default) (1)
+ * - lax (1)
* -> further driver trying to access the resources will load, but you
* get a system message that something might go wrong...
*
#define ENFORCE_RESOURCES_LAX 1
#define ENFORCE_RESOURCES_NO 0
-static unsigned int acpi_enforce_resources = ENFORCE_RESOURCES_LAX;
+static unsigned int acpi_enforce_resources = ENFORCE_RESOURCES_STRICT;
static int __init acpi_enforce_resources_setup(char *str)
{
if (!acpi_device_dir(device))
return -ENODEV;
}
- acpi_device_dir(device)->owner = THIS_MODULE;
/* 'info' [R] */
entry = proc_create_data(ACPI_PROCESSOR_FILE_INFO,
return 0;
}
+static int map_x2apic_id(struct acpi_subtable_header *entry,
+ int device_declaration, u32 acpi_id, int *apic_id)
+{
+ struct acpi_madt_local_x2apic *apic =
+ (struct acpi_madt_local_x2apic *)entry;
+ u32 tmp = apic->local_apic_id;
+
+ /* Only check enabled APICs*/
+ if (!(apic->lapic_flags & ACPI_MADT_ENABLED))
+ return 0;
+
+ /* Device statement declaration type */
+ if (device_declaration) {
+ if (apic->uid == acpi_id)
+ goto found;
+ }
+
+ return 0;
+found:
+ *apic_id = tmp;
+ return 1;
+}
+
static int map_lsapic_id(struct acpi_subtable_header *entry,
int device_declaration, u32 acpi_id, int *apic_id)
{
if (header->type == ACPI_MADT_TYPE_LOCAL_APIC) {
if (map_lapic_id(header, acpi_id, &apic_id))
break;
+ } else if (header->type == ACPI_MADT_TYPE_LOCAL_X2APIC) {
+ if (map_x2apic_id(header, type, acpi_id, &apic_id))
+ break;
} else if (header->type == ACPI_MADT_TYPE_LOCAL_SAPIC) {
if (map_lsapic_id(header, type, acpi_id, &apic_id))
break;
acpi_processor_dir = proc_mkdir(ACPI_PROCESSOR_CLASS, acpi_root_dir);
if (!acpi_processor_dir)
return -ENOMEM;
- acpi_processor_dir->owner = THIS_MODULE;
/*
* Check whether the system is DMI table. If yes, OSPM
goto end;
}
+ if (pdomain->coord_type != DOMAIN_COORD_TYPE_SW_ALL &&
+ pdomain->coord_type != DOMAIN_COORD_TYPE_SW_ANY &&
+ pdomain->coord_type != DOMAIN_COORD_TYPE_HW_ALL) {
+ printk(KERN_ERR PREFIX "Invalid _PSD:coord_type\n");
+ result = -EFAULT;
+ goto end;
+ }
end:
kfree(buffer.pointer);
return result;
mutex_lock(&performance_mutex);
- retval = 0;
-
- /* Call _PSD for all CPUs */
+ /*
+ * Check if another driver has already registered, and abort before
+ * changing pr->performance if it has. Check input data as well.
+ */
for_each_possible_cpu(i) {
pr = per_cpu(processors, i);
if (!pr) {
if (pr->performance) {
retval = -EBUSY;
- continue;
+ goto err_out;
}
- if (!performance || !percpu_ptr(performance, i)) {
+ if (!performance || !per_cpu_ptr(performance, i)) {
retval = -EINVAL;
- continue;
+ goto err_out;
}
+ }
+
+ /* Call _PSD for all CPUs */
+ for_each_possible_cpu(i) {
+ pr = per_cpu(processors, i);
+ if (!pr)
+ continue;
- pr->performance = percpu_ptr(performance, i);
+ pr->performance = per_cpu_ptr(performance, i);
cpumask_set_cpu(i, pr->performance->shared_cpu_map);
if (acpi_processor_get_psd(pr)) {
retval = -EINVAL;
* Now that we have _PSD data from all CPUs, lets setup P-state
* domain info.
*/
- for_each_possible_cpu(i) {
- pr = per_cpu(processors, i);
- if (!pr)
- continue;
-
- /* Basic validity check for domain info */
- pdomain = &(pr->performance->domain_info);
- if ((pdomain->revision != ACPI_PSD_REV0_REVISION) ||
- (pdomain->num_entries != ACPI_PSD_REV0_ENTRIES)) {
- retval = -EINVAL;
- goto err_ret;
- }
- if (pdomain->coord_type != DOMAIN_COORD_TYPE_SW_ALL &&
- pdomain->coord_type != DOMAIN_COORD_TYPE_SW_ANY &&
- pdomain->coord_type != DOMAIN_COORD_TYPE_HW_ALL) {
- retval = -EINVAL;
- goto err_ret;
- }
- }
-
cpumask_clear(covered_cpus);
for_each_possible_cpu(i) {
pr = per_cpu(processors, i);
pr->performance = NULL; /* Will be set for real in register */
}
+err_out:
mutex_unlock(&performance_mutex);
free_cpumask_var(covered_cpus);
return retval;
u16 cycle_count;
u16 temp_now;
u16 voltage_now;
- s16 current_now;
- s16 current_avg;
+ s16 rate_now;
+ s16 rate_avg;
u16 capacity_now;
u16 state_of_charge;
u16 state;
return -ENODEV;
switch (psp) {
case POWER_SUPPLY_PROP_STATUS:
- if (battery->current_now < 0)
+ if (battery->rate_now < 0)
val->intval = POWER_SUPPLY_STATUS_DISCHARGING;
- else if (battery->current_now > 0)
+ else if (battery->rate_now > 0)
val->intval = POWER_SUPPLY_STATUS_CHARGING;
else
val->intval = POWER_SUPPLY_STATUS_FULL;
acpi_battery_vscale(battery) * 1000;
break;
case POWER_SUPPLY_PROP_CURRENT_NOW:
- val->intval = abs(battery->current_now) *
+ case POWER_SUPPLY_PROP_POWER_NOW:
+ val->intval = abs(battery->rate_now) *
acpi_battery_ipscale(battery) * 1000;
break;
case POWER_SUPPLY_PROP_CURRENT_AVG:
- val->intval = abs(battery->current_avg) *
+ case POWER_SUPPLY_PROP_POWER_AVG:
+ val->intval = abs(battery->rate_avg) *
acpi_battery_ipscale(battery) * 1000;
break;
case POWER_SUPPLY_PROP_CAPACITY:
POWER_SUPPLY_PROP_VOLTAGE_NOW,
POWER_SUPPLY_PROP_CURRENT_NOW,
POWER_SUPPLY_PROP_CURRENT_AVG,
+ POWER_SUPPLY_PROP_POWER_NOW,
+ POWER_SUPPLY_PROP_POWER_AVG,
POWER_SUPPLY_PROP_CAPACITY,
POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN,
POWER_SUPPLY_PROP_ENERGY_FULL,
POWER_SUPPLY_PROP_MODEL_NAME,
POWER_SUPPLY_PROP_MANUFACTURER,
};
+
#endif
/* --------------------------------------------------------------------------
static struct acpi_battery_reader state_readers[] = {
{0x08, SMBUS_READ_WORD, offsetof(struct acpi_battery, temp_now)},
{0x09, SMBUS_READ_WORD, offsetof(struct acpi_battery, voltage_now)},
- {0x0a, SMBUS_READ_WORD, offsetof(struct acpi_battery, current_now)},
- {0x0b, SMBUS_READ_WORD, offsetof(struct acpi_battery, current_avg)},
+ {0x0a, SMBUS_READ_WORD, offsetof(struct acpi_battery, rate_now)},
+ {0x0b, SMBUS_READ_WORD, offsetof(struct acpi_battery, rate_avg)},
{0x0f, SMBUS_READ_WORD, offsetof(struct acpi_battery, capacity_now)},
{0x0e, SMBUS_READ_WORD, offsetof(struct acpi_battery, state_of_charge)},
{0x16, SMBUS_READ_WORD, offsetof(struct acpi_battery, state)},
acpi_sbs_add_fs(struct proc_dir_entry **dir,
struct proc_dir_entry *parent_dir,
char *dir_name,
- struct file_operations *info_fops,
- struct file_operations *state_fops,
- struct file_operations *alarm_fops, void *data)
+ const struct file_operations *info_fops,
+ const struct file_operations *state_fops,
+ const struct file_operations *alarm_fops, void *data)
{
if (!*dir) {
*dir = proc_mkdir(dir_name, parent_dir);
if (!*dir) {
return -ENODEV;
}
- (*dir)->owner = THIS_MODULE;
}
/* 'info' [R] */
seq_printf(seq, "capacity state: %s\n",
(battery->state & 0x0010) ? "critical" : "ok");
seq_printf(seq, "charging state: %s\n",
- (battery->current_now < 0) ? "discharging" :
- ((battery->current_now > 0) ? "charging" : "charged"));
- rate = abs(battery->current_now) * acpi_battery_ipscale(battery);
+ (battery->rate_now < 0) ? "discharging" :
+ ((battery->rate_now > 0) ? "charging" : "charged"));
+ rate = abs(battery->rate_now) * acpi_battery_ipscale(battery);
rate *= (acpi_battery_mode(battery))?(battery->voltage_now *
acpi_battery_vscale(battery)/1000):1;
seq_printf(seq, "present rate: %d%s\n", rate,
return single_open(file, acpi_battery_read_alarm, PDE(inode)->data);
}
-static struct file_operations acpi_battery_info_fops = {
+static const struct file_operations acpi_battery_info_fops = {
.open = acpi_battery_info_open_fs,
.read = seq_read,
.llseek = seq_lseek,
.owner = THIS_MODULE,
};
-static struct file_operations acpi_battery_state_fops = {
+static const struct file_operations acpi_battery_state_fops = {
.open = acpi_battery_state_open_fs,
.read = seq_read,
.llseek = seq_lseek,
.owner = THIS_MODULE,
};
-static struct file_operations acpi_battery_alarm_fops = {
+static const struct file_operations acpi_battery_alarm_fops = {
.open = acpi_battery_alarm_open_fs,
.read = seq_read,
.write = acpi_battery_write_alarm,
return single_open(file, acpi_ac_read_state, PDE(inode)->data);
}
-static struct file_operations acpi_ac_state_fops = {
+static const struct file_operations acpi_ac_state_fops = {
.open = acpi_ac_state_open_fs,
.read = seq_read,
.llseek = seq_lseek,
}
break;
+ case ACPI_MADT_TYPE_LOCAL_X2APIC:
+ {
+ struct acpi_madt_local_x2apic *p =
+ (struct acpi_madt_local_x2apic *)header;
+ printk(KERN_INFO PREFIX
+ "X2APIC (apic_id[0x%02x] uid[0x%02x] %s)\n",
+ p->local_apic_id, p->uid,
+ (p->lapic_flags & ACPI_MADT_ENABLED) ?
+ "enabled" : "disabled");
+ }
+ break;
+
case ACPI_MADT_TYPE_IO_APIC:
{
struct acpi_madt_io_apic *p =
}
break;
+ case ACPI_MADT_TYPE_LOCAL_X2APIC_NMI:
+ {
+ u16 polarity, trigger;
+ struct acpi_madt_local_x2apic_nmi *p =
+ (struct acpi_madt_local_x2apic_nmi *)header;
+
+ polarity = p->inti_flags & ACPI_MADT_POLARITY_MASK;
+ trigger = (p->inti_flags & ACPI_MADT_TRIGGER_MASK) >> 2;
+
+ printk(KERN_INFO PREFIX
+ "X2APIC_NMI (uid[0x%02x] %s %s lint[0x%x])\n",
+ p->uid,
+ mps_inti_flags_polarity[polarity],
+ mps_inti_flags_trigger[trigger],
+ p->lint);
+ }
+ break;
+
case ACPI_MADT_TYPE_LOCAL_APIC_OVERRIDE:
{
struct acpi_madt_local_apic_override *p =
struct acpi_subtable_header *entry;
unsigned int count = 0;
unsigned long table_end;
+ acpi_size tbl_size;
if (!handler)
return -EINVAL;
if (strncmp(id, ACPI_SIG_MADT, 4) == 0)
- acpi_get_table(id, acpi_apic_instance, &table_header);
+ acpi_get_table_with_size(id, acpi_apic_instance, &table_header, &tbl_size);
else
- acpi_get_table(id, 0, &table_header);
+ acpi_get_table_with_size(id, 0, &table_header, &tbl_size);
if (!table_header) {
printk(KERN_WARNING PREFIX "%4.4s not present\n", id);
table_end) {
if (entry->type == entry_id
&& (!max_entries || count++ < max_entries))
- if (handler(entry, table_end))
+ if (handler(entry, table_end)) {
+ early_acpi_os_unmap_memory((char *)table_header, tbl_size);
return -EINVAL;
+ }
entry = (struct acpi_subtable_header *)
((unsigned long)entry + entry->length);
"%i found\n", id, entry_id, count - max_entries, count);
}
+ early_acpi_os_unmap_memory((char *)table_header, tbl_size);
return count;
}
int __init acpi_table_parse(char *id, acpi_table_handler handler)
{
struct acpi_table_header *table = NULL;
+ acpi_size tbl_size;
if (!handler)
return -EINVAL;
if (strncmp(id, ACPI_SIG_MADT, 4) == 0)
- acpi_get_table(id, acpi_apic_instance, &table);
+ acpi_get_table_with_size(id, acpi_apic_instance, &table, &tbl_size);
else
- acpi_get_table(id, 0, &table);
+ acpi_get_table_with_size(id, 0, &table, &tbl_size);
if (table) {
handler(table);
+ early_acpi_os_unmap_memory(table, tbl_size);
return 0;
} else
return 1;
static void __init check_multiple_madt(void)
{
struct acpi_table_header *table = NULL;
+ acpi_size tbl_size;
- acpi_get_table(ACPI_SIG_MADT, 2, &table);
+ acpi_get_table_with_size(ACPI_SIG_MADT, 2, &table, &tbl_size);
if (table) {
printk(KERN_WARNING PREFIX
"BIOS bug: multiple APIC/MADT found,"
"If \"acpi_apic_instance=%d\" works better, "
"notify linux-acpi@vger.kernel.org\n",
acpi_apic_instance ? 0 : 2);
+ early_acpi_os_unmap_memory(table, tbl_size);
} else
acpi_apic_instance = 0;
#include <linux/init.h>
#include <linux/types.h>
#include <linux/proc_fs.h>
-#include <linux/timer.h>
#include <linux/jiffies.h>
#include <linux/kmod.h>
#include <linux/seq_file.h>
#include <linux/reboot.h>
+#include <linux/device.h>
#include <asm/uaccess.h>
#include <linux/thermal.h>
#include <acpi/acpi_bus.h>
struct acpi_thermal_state state;
struct acpi_thermal_trips trips;
struct acpi_handle_list devices;
- struct timer_list timer;
struct thermal_zone_device *thermal_zone;
int tz_enabled;
struct mutex lock;
tz->polling_frequency = seconds * 10; /* Convert value to deci-seconds */
+ tz->thermal_zone->polling_delay = seconds * 1000;
+
+ if (tz->tz_enabled)
+ thermal_zone_device_update(tz->thermal_zone);
+
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Polling frequency set to %lu seconds\n",
tz->polling_frequency/10));
/*
* Treat freezing temperatures as invalid as well; some
* BIOSes return really low values and cause reboots at startup.
- * Below zero (Celcius) values clearly aren't right for sure..
+ * Below zero (Celsius) values clearly aren't right for sure..
* ... so lets discard those as invalid.
*/
if (ACPI_FAILURE(status) ||
return acpi_thermal_trips_update(tz, ACPI_TRIPS_INIT);
}
-static int acpi_thermal_critical(struct acpi_thermal *tz)
-{
- if (!tz || !tz->trips.critical.flags.valid)
- return -EINVAL;
-
- if (tz->temperature >= tz->trips.critical.temperature) {
- printk(KERN_WARNING PREFIX "Critical trip point\n");
- tz->trips.critical.flags.enabled = 1;
- } else if (tz->trips.critical.flags.enabled)
- tz->trips.critical.flags.enabled = 0;
-
- acpi_bus_generate_proc_event(tz->device, ACPI_THERMAL_NOTIFY_CRITICAL,
- tz->trips.critical.flags.enabled);
- acpi_bus_generate_netlink_event(tz->device->pnp.device_class,
- dev_name(&tz->device->dev),
- ACPI_THERMAL_NOTIFY_CRITICAL,
- tz->trips.critical.flags.enabled);
-
- /* take no action if nocrt is set */
- if(!nocrt) {
- printk(KERN_EMERG
- "Critical temperature reached (%ld C), shutting down.\n",
- KELVIN_TO_CELSIUS(tz->temperature));
- orderly_poweroff(true);
- }
-
- return 0;
-}
-
-static int acpi_thermal_hot(struct acpi_thermal *tz)
-{
- if (!tz || !tz->trips.hot.flags.valid)
- return -EINVAL;
-
- if (tz->temperature >= tz->trips.hot.temperature) {
- printk(KERN_WARNING PREFIX "Hot trip point\n");
- tz->trips.hot.flags.enabled = 1;
- } else if (tz->trips.hot.flags.enabled)
- tz->trips.hot.flags.enabled = 0;
-
- acpi_bus_generate_proc_event(tz->device, ACPI_THERMAL_NOTIFY_HOT,
- tz->trips.hot.flags.enabled);
- acpi_bus_generate_netlink_event(tz->device->pnp.device_class,
- dev_name(&tz->device->dev),
- ACPI_THERMAL_NOTIFY_HOT,
- tz->trips.hot.flags.enabled);
-
- /* TBD: Call user-mode "sleep(S4)" function if nocrt is cleared */
-
- return 0;
-}
-
-static void acpi_thermal_passive(struct acpi_thermal *tz)
-{
- int result = 1;
- struct acpi_thermal_passive *passive = NULL;
- int trend = 0;
- int i = 0;
-
-
- if (!tz || !tz->trips.passive.flags.valid)
- return;
-
- passive = &(tz->trips.passive);
-
- /*
- * Above Trip?
- * -----------
- * Calculate the thermal trend (using the passive cooling equation)
- * and modify the performance limit for all passive cooling devices
- * accordingly. Note that we assume symmetry.
- */
- if (tz->temperature >= passive->temperature) {
- trend =
- (passive->tc1 * (tz->temperature - tz->last_temperature)) +
- (passive->tc2 * (tz->temperature - passive->temperature));
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "trend[%d]=(tc1[%lu]*(tmp[%lu]-last[%lu]))+(tc2[%lu]*(tmp[%lu]-psv[%lu]))\n",
- trend, passive->tc1, tz->temperature,
- tz->last_temperature, passive->tc2,
- tz->temperature, passive->temperature));
- passive->flags.enabled = 1;
- /* Heating up? */
- if (trend > 0)
- for (i = 0; i < passive->devices.count; i++)
- acpi_processor_set_thermal_limit(passive->
- devices.
- handles[i],
- ACPI_PROCESSOR_LIMIT_INCREMENT);
- /* Cooling off? */
- else if (trend < 0) {
- for (i = 0; i < passive->devices.count; i++)
- /*
- * assume that we are on highest
- * freq/lowest thrott and can leave
- * passive mode, even in error case
- */
- if (!acpi_processor_set_thermal_limit
- (passive->devices.handles[i],
- ACPI_PROCESSOR_LIMIT_DECREMENT))
- result = 0;
- /*
- * Leave cooling mode, even if the temp might
- * higher than trip point This is because some
- * machines might have long thermal polling
- * frequencies (tsp) defined. We will fall back
- * into passive mode in next cycle (probably quicker)
- */
- if (result) {
- passive->flags.enabled = 0;
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "Disabling passive cooling, still above threshold,"
- " but we are cooling down\n"));
- }
- }
- return;
- }
-
- /*
- * Below Trip?
- * -----------
- * Implement passive cooling hysteresis to slowly increase performance
- * and avoid thrashing around the passive trip point. Note that we
- * assume symmetry.
- */
- if (!passive->flags.enabled)
- return;
- for (i = 0; i < passive->devices.count; i++)
- if (!acpi_processor_set_thermal_limit
- (passive->devices.handles[i],
- ACPI_PROCESSOR_LIMIT_DECREMENT))
- result = 0;
- if (result) {
- passive->flags.enabled = 0;
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "Disabling passive cooling (zone is cool)\n"));
- }
-}
-
-static void acpi_thermal_active(struct acpi_thermal *tz)
-{
- int result = 0;
- struct acpi_thermal_active *active = NULL;
- int i = 0;
- int j = 0;
- unsigned long maxtemp = 0;
-
-
- if (!tz)
- return;
-
- for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE; i++) {
- active = &(tz->trips.active[i]);
- if (!active || !active->flags.valid)
- break;
- if (tz->temperature >= active->temperature) {
- /*
- * Above Threshold?
- * ----------------
- * If not already enabled, turn ON all cooling devices
- * associated with this active threshold.
- */
- if (active->temperature > maxtemp)
- tz->state.active_index = i;
- maxtemp = active->temperature;
- if (active->flags.enabled)
- continue;
- for (j = 0; j < active->devices.count; j++) {
- result =
- acpi_bus_set_power(active->devices.
- handles[j],
- ACPI_STATE_D0);
- if (result) {
- printk(KERN_WARNING PREFIX
- "Unable to turn cooling device [%p] 'on'\n",
- active->devices.
- handles[j]);
- continue;
- }
- active->flags.enabled = 1;
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "Cooling device [%p] now 'on'\n",
- active->devices.handles[j]));
- }
- continue;
- }
- if (!active->flags.enabled)
- continue;
- /*
- * Below Threshold?
- * ----------------
- * Turn OFF all cooling devices associated with this
- * threshold.
- */
- for (j = 0; j < active->devices.count; j++) {
- result = acpi_bus_set_power(active->devices.handles[j],
- ACPI_STATE_D3);
- if (result) {
- printk(KERN_WARNING PREFIX
- "Unable to turn cooling device [%p] 'off'\n",
- active->devices.handles[j]);
- continue;
- }
- active->flags.enabled = 0;
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "Cooling device [%p] now 'off'\n",
- active->devices.handles[j]));
- }
- }
-}
-
-static void acpi_thermal_check(void *context);
-
-static void acpi_thermal_run(unsigned long data)
-{
- struct acpi_thermal *tz = (struct acpi_thermal *)data;
- if (!tz->zombie)
- acpi_os_execute(OSL_GPE_HANDLER, acpi_thermal_check, (void *)data);
-}
-
-static void acpi_thermal_active_off(void *data)
-{
- int result = 0;
- struct acpi_thermal *tz = data;
- int i = 0;
- int j = 0;
- struct acpi_thermal_active *active = NULL;
-
- if (!tz) {
- printk(KERN_ERR PREFIX "Invalid (NULL) context\n");
- return;
- }
-
- result = acpi_thermal_get_temperature(tz);
- if (result)
- return;
-
- for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE; i++) {
- active = &(tz->trips.active[i]);
- if (!active || !active->flags.valid)
- break;
- if (tz->temperature >= active->temperature) {
- /*
- * If the thermal temperature is greater than the
- * active threshod, unnecessary to turn off the
- * the active cooling device.
- */
- continue;
- }
- /*
- * Below Threshold?
- * ----------------
- * Turn OFF all cooling devices associated with this
- * threshold.
- */
- for (j = 0; j < active->devices.count; j++)
- result = acpi_bus_set_power(active->devices.handles[j],
- ACPI_STATE_D3);
- }
-}
-
static void acpi_thermal_check(void *data)
{
- int result = 0;
struct acpi_thermal *tz = data;
- unsigned long sleep_time = 0;
- unsigned long timeout_jiffies = 0;
- int i = 0;
- struct acpi_thermal_state state;
-
-
- if (!tz) {
- printk(KERN_ERR PREFIX "Invalid (NULL) context\n");
- return;
- }
-
- /* Check if someone else is already running */
- if (!mutex_trylock(&tz->lock))
- return;
-
- state = tz->state;
-
- result = acpi_thermal_get_temperature(tz);
- if (result)
- goto unlock;
-
- if (!tz->tz_enabled)
- goto unlock;
-
- memset(&tz->state, 0, sizeof(tz->state));
-
- /*
- * Check Trip Points
- * -----------------
- * Compare the current temperature to the trip point values to see
- * if we've entered one of the thermal policy states. Note that
- * this function determines when a state is entered, but the
- * individual policy decides when it is exited (e.g. hysteresis).
- */
- if (tz->trips.critical.flags.valid)
- state.critical |=
- (tz->temperature >= tz->trips.critical.temperature);
- if (tz->trips.hot.flags.valid)
- state.hot |= (tz->temperature >= tz->trips.hot.temperature);
- if (tz->trips.passive.flags.valid)
- state.passive |=
- (tz->temperature >= tz->trips.passive.temperature);
- for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE; i++)
- if (tz->trips.active[i].flags.valid)
- state.active |=
- (tz->temperature >=
- tz->trips.active[i].temperature);
-
- /*
- * Invoke Policy
- * -------------
- * Separated from the above check to allow individual policy to
- * determine when to exit a given state.
- */
- if (state.critical)
- acpi_thermal_critical(tz);
- if (state.hot)
- acpi_thermal_hot(tz);
- if (state.passive)
- acpi_thermal_passive(tz);
- if (state.active)
- acpi_thermal_active(tz);
-
- /*
- * Calculate State
- * ---------------
- * Again, separated from the above two to allow independent policy
- * decisions.
- */
- tz->state.critical = tz->trips.critical.flags.enabled;
- tz->state.hot = tz->trips.hot.flags.enabled;
- tz->state.passive = tz->trips.passive.flags.enabled;
- tz->state.active = 0;
- for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE; i++)
- tz->state.active |= tz->trips.active[i].flags.enabled;
-
- /*
- * Calculate Sleep Time
- * --------------------
- * If we're in the passive state, use _TSP's value. Otherwise
- * use the default polling frequency (e.g. _TZP). If no polling
- * frequency is specified then we'll wait forever (at least until
- * a thermal event occurs). Note that _TSP and _TZD values are
- * given in 1/10th seconds (we must covert to milliseconds).
- */
- if (tz->state.passive) {
- sleep_time = tz->trips.passive.tsp * 100;
- timeout_jiffies = jiffies + (HZ * sleep_time) / 1000;
- } else if (tz->polling_frequency > 0) {
- sleep_time = tz->polling_frequency * 100;
- timeout_jiffies = round_jiffies(jiffies + (HZ * sleep_time) / 1000);
- }
-
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "%s: temperature[%lu] sleep[%lu]\n",
- tz->name, tz->temperature, sleep_time));
- /*
- * Schedule Next Poll
- * ------------------
- */
- if (!sleep_time) {
- if (timer_pending(&(tz->timer)))
- del_timer(&(tz->timer));
- } else {
- if (timer_pending(&(tz->timer)))
- mod_timer(&(tz->timer), timeout_jiffies);
- else {
- tz->timer.data = (unsigned long)tz;
- tz->timer.function = acpi_thermal_run;
- tz->timer.expires = timeout_jiffies;
- add_timer(&(tz->timer));
- }
- }
- unlock:
- mutex_unlock(&tz->lock);
+ thermal_zone_device_update(tz->thermal_zone);
}
/* sys I/F for generic thermal sysfs support */
#define KELVIN_TO_MILLICELSIUS(t) (t * 100 - 273200)
-static int thermal_get_temp(struct thermal_zone_device *thermal, char *buf)
+static int thermal_get_temp(struct thermal_zone_device *thermal,
+ unsigned long *temp)
{
struct acpi_thermal *tz = thermal->devdata;
int result;
if (result)
return result;
- return sprintf(buf, "%ld\n", KELVIN_TO_MILLICELSIUS(tz->temperature));
+ *temp = KELVIN_TO_MILLICELSIUS(tz->temperature);
+ return 0;
}
static const char enabled[] = "kernel";
static const char disabled[] = "user";
static int thermal_get_mode(struct thermal_zone_device *thermal,
- char *buf)
+ enum thermal_device_mode *mode)
{
struct acpi_thermal *tz = thermal->devdata;
if (!tz)
return -EINVAL;
- return sprintf(buf, "%s\n", tz->tz_enabled ?
- enabled : disabled);
+ *mode = tz->tz_enabled ? THERMAL_DEVICE_ENABLED :
+ THERMAL_DEVICE_DISABLED;
+
+ return 0;
}
static int thermal_set_mode(struct thermal_zone_device *thermal,
- const char *buf)
+ enum thermal_device_mode mode)
{
struct acpi_thermal *tz = thermal->devdata;
int enable;
/*
* enable/disable thermal management from ACPI thermal driver
*/
- if (!strncmp(buf, enabled, sizeof enabled - 1))
+ if (mode == THERMAL_DEVICE_ENABLED)
enable = 1;
- else if (!strncmp(buf, disabled, sizeof disabled - 1))
+ else if (mode == THERMAL_DEVICE_DISABLED)
enable = 0;
else
return -EINVAL;
}
static int thermal_get_trip_type(struct thermal_zone_device *thermal,
- int trip, char *buf)
+ int trip, enum thermal_trip_type *type)
{
struct acpi_thermal *tz = thermal->devdata;
int i;
return -EINVAL;
if (tz->trips.critical.flags.valid) {
- if (!trip)
- return sprintf(buf, "critical\n");
+ if (!trip) {
+ *type = THERMAL_TRIP_CRITICAL;
+ return 0;
+ }
trip--;
}
if (tz->trips.hot.flags.valid) {
- if (!trip)
- return sprintf(buf, "hot\n");
+ if (!trip) {
+ *type = THERMAL_TRIP_HOT;
+ return 0;
+ }
trip--;
}
if (tz->trips.passive.flags.valid) {
- if (!trip)
- return sprintf(buf, "passive\n");
+ if (!trip) {
+ *type = THERMAL_TRIP_PASSIVE;
+ return 0;
+ }
trip--;
}
for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE &&
tz->trips.active[i].flags.valid; i++) {
- if (!trip)
- return sprintf(buf, "active%d\n", i);
+ if (!trip) {
+ *type = THERMAL_TRIP_ACTIVE;
+ return 0;
+ }
trip--;
}
}
static int thermal_get_trip_temp(struct thermal_zone_device *thermal,
- int trip, char *buf)
+ int trip, unsigned long *temp)
{
struct acpi_thermal *tz = thermal->devdata;
int i;
return -EINVAL;
if (tz->trips.critical.flags.valid) {
- if (!trip)
- return sprintf(buf, "%ld\n", KELVIN_TO_MILLICELSIUS(
- tz->trips.critical.temperature));
+ if (!trip) {
+ *temp = KELVIN_TO_MILLICELSIUS(
+ tz->trips.critical.temperature);
+ return 0;
+ }
trip--;
}
if (tz->trips.hot.flags.valid) {
- if (!trip)
- return sprintf(buf, "%ld\n", KELVIN_TO_MILLICELSIUS(
- tz->trips.hot.temperature));
+ if (!trip) {
+ *temp = KELVIN_TO_MILLICELSIUS(
+ tz->trips.hot.temperature);
+ return 0;
+ }
trip--;
}
if (tz->trips.passive.flags.valid) {
- if (!trip)
- return sprintf(buf, "%ld\n", KELVIN_TO_MILLICELSIUS(
- tz->trips.passive.temperature));
+ if (!trip) {
+ *temp = KELVIN_TO_MILLICELSIUS(
+ tz->trips.passive.temperature);
+ return 0;
+ }
trip--;
}
for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE &&
tz->trips.active[i].flags.valid; i++) {
- if (!trip)
- return sprintf(buf, "%ld\n", KELVIN_TO_MILLICELSIUS(
- tz->trips.active[i].temperature));
+ if (!trip) {
+ *temp = KELVIN_TO_MILLICELSIUS(
+ tz->trips.active[i].temperature);
+ return 0;
+ }
trip--;
}
return -EINVAL;
}
+static int thermal_notify(struct thermal_zone_device *thermal, int trip,
+ enum thermal_trip_type trip_type)
+{
+ u8 type = 0;
+ struct acpi_thermal *tz = thermal->devdata;
+
+ if (trip_type == THERMAL_TRIP_CRITICAL)
+ type = ACPI_THERMAL_NOTIFY_CRITICAL;
+ else if (trip_type == THERMAL_TRIP_HOT)
+ type = ACPI_THERMAL_NOTIFY_HOT;
+ else
+ return 0;
+
+ acpi_bus_generate_proc_event(tz->device, type, 1);
+ acpi_bus_generate_netlink_event(tz->device->pnp.device_class,
+ dev_name(&tz->device->dev), type, 1);
+
+ if (trip_type == THERMAL_TRIP_CRITICAL && nocrt)
+ return 1;
+
+ return 0;
+}
+
typedef int (*cb)(struct thermal_zone_device *, int,
struct thermal_cooling_device *);
static int acpi_thermal_cooling_device_cb(struct thermal_zone_device *thermal,
.get_trip_type = thermal_get_trip_type,
.get_trip_temp = thermal_get_trip_temp,
.get_crit_temp = thermal_get_crit_temp,
+ .notify = thermal_notify,
};
static int acpi_thermal_register_thermal_zone(struct acpi_thermal *tz)
for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE &&
tz->trips.active[i].flags.valid; i++, trips++);
- tz->thermal_zone = thermal_zone_device_register("acpitz",
- trips, tz, &acpi_thermal_zone_ops);
+
+ if (tz->trips.passive.flags.valid)
+ tz->thermal_zone =
+ thermal_zone_device_register("acpitz", trips, tz,
+ &acpi_thermal_zone_ops,
+ tz->trips.passive.tc1,
+ tz->trips.passive.tc2,
+ tz->trips.passive.tsp*100,
+ tz->polling_frequency*100);
+ else
+ tz->thermal_zone =
+ thermal_zone_device_register("acpitz", trips, tz,
+ &acpi_thermal_zone_ops,
+ 0, 0, 0,
+ tz->polling_frequency);
if (IS_ERR(tz->thermal_zone))
return -ENODEV;
if (!tz)
goto end;
- if (!tz->polling_frequency) {
+ if (!tz->thermal_zone->polling_delay) {
seq_puts(seq, "<polling disabled>\n");
goto end;
}
- seq_printf(seq, "polling frequency: %lu seconds\n",
- (tz->polling_frequency / 10));
+ seq_printf(seq, "polling frequency: %d seconds\n",
+ (tz->thermal_zone->polling_delay / 1000));
end:
return 0;
acpi_thermal_dir);
if (!acpi_device_dir(device))
return -ENODEV;
- acpi_device_dir(device)->owner = THIS_MODULE;
}
/* 'state' [R] */
if (result)
goto unregister_thermal_zone;
- init_timer(&tz->timer);
-
- acpi_thermal_active_off(tz);
-
- acpi_thermal_check(tz);
-
status = acpi_install_notify_handler(device->handle,
ACPI_DEVICE_NOTIFY,
acpi_thermal_notify, tz);
acpi_status status = AE_OK;
struct acpi_thermal *tz = NULL;
-
if (!device || !acpi_driver_data(device))
return -EINVAL;
tz = acpi_driver_data(device);
- /* avoid timer adding new defer task */
- tz->zombie = 1;
- /* wait for running timer (on other CPUs) finish */
- del_timer_sync(&(tz->timer));
- /* synchronize deferred task */
- acpi_os_wait_events_complete(NULL);
- /* deferred task may reinsert timer */
- del_timer_sync(&(tz->timer));
-
status = acpi_remove_notify_handler(device->handle,
ACPI_DEVICE_NOTIFY,
acpi_thermal_notify);
- /* Terminate policy */
- if (tz->trips.passive.flags.valid && tz->trips.passive.flags.enabled) {
- tz->trips.passive.flags.enabled = 0;
- acpi_thermal_passive(tz);
- }
- if (tz->trips.active[0].flags.valid
- && tz->trips.active[0].flags.enabled) {
- tz->trips.active[0].flags.enabled = 0;
- acpi_thermal_active(tz);
- }
-
acpi_thermal_remove_fs(device);
acpi_thermal_unregister_thermal_zone(tz);
mutex_destroy(&tz->lock);
acpi_thermal_dir = proc_mkdir(ACPI_THERMAL_CLASS, acpi_root_dir);
if (!acpi_thermal_dir)
return -ENODEV;
- acpi_thermal_dir->owner = THIS_MODULE;
result = acpi_bus_register_driver(&acpi_thermal_driver);
if (result < 0) {
#include <linux/thermal.h>
#include <linux/video_output.h>
#include <linux/sort.h>
+#include <linux/pci.h>
+#include <linux/pci_ids.h>
#include <asm/uaccess.h>
#include <acpi/acpi_bus.h>
u8 _BCL:1; /*Query list of brightness control levels supported */
u8 _BCM:1; /*Set the brightness level */
u8 _BQC:1; /* Get current brightness level */
+ u8 _BCQ:1; /* Some buggy BIOS uses _BCQ instead of _BQC */
u8 _DDC:1; /*Return the EDID for this device */
u8 _DCS:1; /*Return status of output device */
u8 _DGS:1; /*Query graphics state */
u8 _DSS:1; /*Device state set */
};
+struct acpi_video_brightness_flags {
+ u8 _BCL_no_ac_battery_levels:1; /* no AC/Battery levels in _BCL */
+ u8 _BCL_reversed:1; /* _BCL package is in a reversed order*/
+ u8 _BCL_use_index:1; /* levels in _BCL are index values */
+ u8 _BCM_use_index:1; /* input of _BCM is an index value */
+ u8 _BQC_use_index:1; /* _BQC returns an index value */
+};
+
struct acpi_video_device_brightness {
int curr;
int count;
int *levels;
+ struct acpi_video_brightness_flags flags;
};
struct acpi_video_device {
/* bus */
static int acpi_video_bus_info_open_fs(struct inode *inode, struct file *file);
-static struct file_operations acpi_video_bus_info_fops = {
+static const struct file_operations acpi_video_bus_info_fops = {
.owner = THIS_MODULE,
.open = acpi_video_bus_info_open_fs,
.read = seq_read,
};
static int acpi_video_bus_ROM_open_fs(struct inode *inode, struct file *file);
-static struct file_operations acpi_video_bus_ROM_fops = {
+static const struct file_operations acpi_video_bus_ROM_fops = {
.owner = THIS_MODULE,
.open = acpi_video_bus_ROM_open_fs,
.read = seq_read,
static int acpi_video_bus_POST_info_open_fs(struct inode *inode,
struct file *file);
-static struct file_operations acpi_video_bus_POST_info_fops = {
+static const struct file_operations acpi_video_bus_POST_info_fops = {
.owner = THIS_MODULE,
.open = acpi_video_bus_POST_info_open_fs,
.read = seq_read,
};
static int acpi_video_bus_POST_open_fs(struct inode *inode, struct file *file);
-static struct file_operations acpi_video_bus_POST_fops = {
+static ssize_t acpi_video_bus_write_POST(struct file *file,
+ const char __user *buffer, size_t count, loff_t *data);
+static const struct file_operations acpi_video_bus_POST_fops = {
.owner = THIS_MODULE,
.open = acpi_video_bus_POST_open_fs,
.read = seq_read,
+ .write = acpi_video_bus_write_POST,
.llseek = seq_lseek,
.release = single_release,
};
static int acpi_video_bus_DOS_open_fs(struct inode *inode, struct file *file);
-static struct file_operations acpi_video_bus_DOS_fops = {
+static ssize_t acpi_video_bus_write_DOS(struct file *file,
+ const char __user *buffer, size_t count, loff_t *data);
+static const struct file_operations acpi_video_bus_DOS_fops = {
.owner = THIS_MODULE,
.open = acpi_video_bus_DOS_open_fs,
.read = seq_read,
+ .write = acpi_video_bus_write_DOS,
.llseek = seq_lseek,
.release = single_release,
};
/* device */
static int acpi_video_device_info_open_fs(struct inode *inode,
struct file *file);
-static struct file_operations acpi_video_device_info_fops = {
+static const struct file_operations acpi_video_device_info_fops = {
.owner = THIS_MODULE,
.open = acpi_video_device_info_open_fs,
.read = seq_read,
static int acpi_video_device_state_open_fs(struct inode *inode,
struct file *file);
-static struct file_operations acpi_video_device_state_fops = {
+static ssize_t acpi_video_device_write_state(struct file *file,
+ const char __user *buffer, size_t count, loff_t *data);
+static const struct file_operations acpi_video_device_state_fops = {
.owner = THIS_MODULE,
.open = acpi_video_device_state_open_fs,
.read = seq_read,
+ .write = acpi_video_device_write_state,
.llseek = seq_lseek,
.release = single_release,
};
static int acpi_video_device_brightness_open_fs(struct inode *inode,
struct file *file);
+static ssize_t acpi_video_device_write_brightness(struct file *file,
+ const char __user *buffer, size_t count, loff_t *data);
static struct file_operations acpi_video_device_brightness_fops = {
.owner = THIS_MODULE,
.open = acpi_video_device_brightness_open_fs,
.read = seq_read,
+ .write = acpi_video_device_write_brightness,
.llseek = seq_lseek,
.release = single_release,
};
static int acpi_video_device_EDID_open_fs(struct inode *inode,
struct file *file);
-static struct file_operations acpi_video_device_EDID_fops = {
+static const struct file_operations acpi_video_device_EDID_fops = {
.owner = THIS_MODULE,
.open = acpi_video_device_EDID_open_fs,
.read = seq_read,
.release = single_release,
};
-static char device_decode[][30] = {
+static const char device_decode[][30] = {
"motherboard VGA device",
"PCI VGA device",
"AGP VGA device",
unsigned long long *level);
static int acpi_video_get_next_level(struct acpi_video_device *device,
u32 level_current, u32 event);
-static void acpi_video_switch_brightness(struct acpi_video_device *device,
+static int acpi_video_switch_brightness(struct acpi_video_device *device,
int event);
static int acpi_video_device_get_state(struct acpi_video_device *device,
unsigned long long *state);
int i;
struct acpi_video_device *vd =
(struct acpi_video_device *)bl_get_data(bd);
- acpi_video_device_lcd_get_level_current(vd, &cur_level);
+
+ if (acpi_video_device_lcd_get_level_current(vd, &cur_level))
+ return -EINVAL;
for (i = 2; i < vd->brightness->count; i++) {
if (vd->brightness->levels[i] == cur_level)
/* The first two entries are special - see page 575
static int acpi_video_set_brightness(struct backlight_device *bd)
{
- int request_level = bd->props.brightness+2;
+ int request_level = bd->props.brightness + 2;
struct acpi_video_device *vd =
(struct acpi_video_device *)bl_get_data(bd);
- acpi_video_device_lcd_set_level(vd,
- vd->brightness->levels[request_level]);
- return 0;
+
+ return acpi_video_device_lcd_set_level(vd,
+ vd->brightness->levels[request_level]);
}
static struct backlight_ops acpi_backlight_ops = {
/* thermal cooling device callbacks */
-static int video_get_max_state(struct thermal_cooling_device *cdev, char *buf)
+static int video_get_max_state(struct thermal_cooling_device *cdev, unsigned
+ long *state)
{
struct acpi_device *device = cdev->devdata;
struct acpi_video_device *video = acpi_driver_data(device);
- return sprintf(buf, "%d\n", video->brightness->count - 3);
+ *state = video->brightness->count - 3;
+ return 0;
}
-static int video_get_cur_state(struct thermal_cooling_device *cdev, char *buf)
+static int video_get_cur_state(struct thermal_cooling_device *cdev, unsigned
+ long *state)
{
struct acpi_device *device = cdev->devdata;
struct acpi_video_device *video = acpi_driver_data(device);
unsigned long long level;
- int state;
+ int offset;
- acpi_video_device_lcd_get_level_current(video, &level);
- for (state = 2; state < video->brightness->count; state++)
- if (level == video->brightness->levels[state])
- return sprintf(buf, "%d\n",
- video->brightness->count - state - 1);
+ if (acpi_video_device_lcd_get_level_current(video, &level))
+ return -EINVAL;
+ for (offset = 2; offset < video->brightness->count; offset++)
+ if (level == video->brightness->levels[offset]) {
+ *state = video->brightness->count - offset - 1;
+ return 0;
+ }
return -EINVAL;
}
static int
-video_set_cur_state(struct thermal_cooling_device *cdev, unsigned int state)
+video_set_cur_state(struct thermal_cooling_device *cdev, unsigned long state)
{
struct acpi_device *device = cdev->devdata;
struct acpi_video_device *video = acpi_driver_data(device);
static int
acpi_video_device_lcd_set_level(struct acpi_video_device *device, int level)
{
- int status = AE_OK;
+ int status;
union acpi_object arg0 = { ACPI_TYPE_INTEGER };
struct acpi_object_list args = { 1, &arg0 };
int state;
-
arg0.integer.value = level;
- if (device->cap._BCM)
- status = acpi_evaluate_object(device->dev->handle, "_BCM",
- &args, NULL);
+ status = acpi_evaluate_object(device->dev->handle, "_BCM",
+ &args, NULL);
+ if (ACPI_FAILURE(status)) {
+ ACPI_ERROR((AE_INFO, "Evaluating _BCM failed"));
+ return -EIO;
+ }
+
device->brightness->curr = level;
for (state = 2; state < device->brightness->count; state++)
- if (level == device->brightness->levels[state])
- device->backlight->props.brightness = state - 2;
+ if (level == device->brightness->levels[state]) {
+ if (device->backlight)
+ device->backlight->props.brightness = state - 2;
+ return 0;
+ }
- return status;
+ ACPI_ERROR((AE_INFO, "Current brightness invalid"));
+ return -EINVAL;
}
static int
acpi_video_device_lcd_get_level_current(struct acpi_video_device *device,
unsigned long long *level)
{
- if (device->cap._BQC)
- return acpi_evaluate_integer(device->dev->handle, "_BQC", NULL,
- level);
+ acpi_status status = AE_OK;
+
+ if (device->cap._BQC || device->cap._BCQ) {
+ char *buf = device->cap._BQC ? "_BQC" : "_BCQ";
+
+ status = acpi_evaluate_integer(device->dev->handle, buf,
+ NULL, level);
+ if (ACPI_SUCCESS(status)) {
+ if (device->brightness->flags._BQC_use_index) {
+ if (device->brightness->flags._BCL_reversed)
+ *level = device->brightness->count
+ - 3 - (*level);
+ *level = device->brightness->levels[*level + 2];
+
+ }
+ device->brightness->curr = *level;
+ return 0;
+ } else {
+ /* Fixme:
+ * should we return an error or ignore this failure?
+ * dev->brightness->curr is a cached value which stores
+ * the correct current backlight level in most cases.
+ * ACPI video backlight still works w/ buggy _BQC.
+ * http://bugzilla.kernel.org/show_bug.cgi?id=12233
+ */
+ ACPI_WARNING((AE_INFO, "Evaluating %s failed", buf));
+ device->cap._BQC = device->cap._BCQ = 0;
+ }
+ }
+
*level = device->brightness->curr;
- return AE_OK;
+ return 0;
}
static int
acpi_video_init_brightness(struct acpi_video_device *device)
{
union acpi_object *obj = NULL;
- int i, max_level = 0, count = 0;
+ int i, max_level = 0, count = 0, level_ac_battery = 0;
+ unsigned long long level, level_old;
union acpi_object *o;
struct acpi_video_device_brightness *br = NULL;
+ int result = -EINVAL;
if (!ACPI_SUCCESS(acpi_video_device_lcd_query_levels(device, &obj))) {
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Could not query available "
br = kzalloc(sizeof(*br), GFP_KERNEL);
if (!br) {
printk(KERN_ERR "can't allocate memory\n");
+ result = -ENOMEM;
goto out;
}
- br->levels = kmalloc(obj->package.count * sizeof *(br->levels),
+ br->levels = kmalloc((obj->package.count + 2) * sizeof *(br->levels),
GFP_KERNEL);
- if (!br->levels)
+ if (!br->levels) {
+ result = -ENOMEM;
goto out_free;
+ }
for (i = 0; i < obj->package.count; i++) {
o = (union acpi_object *)&obj->package.elements[i];
count++;
}
- /* don't sort the first two brightness levels */
- sort(&br->levels[2], count - 2, sizeof(br->levels[2]),
- acpi_video_cmp_level, NULL);
-
- if (count < 2)
- goto out_free_levels;
+ /*
+ * some buggy BIOS don't export the levels
+ * when machine is on AC/Battery in _BCL package.
+ * In this case, the first two elements in _BCL packages
+ * are also supported brightness levels that OS should take care of.
+ */
+ for (i = 2; i < count; i++)
+ if (br->levels[i] == br->levels[0] ||
+ br->levels[i] == br->levels[1])
+ level_ac_battery++;
+
+ if (level_ac_battery < 2) {
+ level_ac_battery = 2 - level_ac_battery;
+ br->flags._BCL_no_ac_battery_levels = 1;
+ for (i = (count - 1 + level_ac_battery); i >= 2; i--)
+ br->levels[i] = br->levels[i - level_ac_battery];
+ count += level_ac_battery;
+ } else if (level_ac_battery > 2)
+ ACPI_ERROR((AE_INFO, "Too many duplicates in _BCL package\n"));
+
+ /* Check if the _BCL package is in a reversed order */
+ if (max_level == br->levels[2]) {
+ br->flags._BCL_reversed = 1;
+ sort(&br->levels[2], count - 2, sizeof(br->levels[2]),
+ acpi_video_cmp_level, NULL);
+ } else if (max_level != br->levels[count - 1])
+ ACPI_ERROR((AE_INFO,
+ "Found unordered _BCL package\n"));
br->count = count;
device->brightness = br;
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "found %d brightness levels\n", count));
+
+ /* Check the input/output of _BQC/_BCL/_BCM */
+ if ((max_level < 100) && (max_level <= (count - 2)))
+ br->flags._BCL_use_index = 1;
+
+ /*
+ * _BCM is always consistent with _BCL,
+ * at least for all the laptops we have ever seen.
+ */
+ br->flags._BCM_use_index = br->flags._BCL_use_index;
+
+ /* _BQC uses INDEX while _BCL uses VALUE in some laptops */
+ br->curr = max_level;
+ result = acpi_video_device_lcd_get_level_current(device, &level_old);
+ if (result)
+ goto out_free_levels;
+
+ result = acpi_video_device_lcd_set_level(device, br->curr);
+ if (result)
+ goto out_free_levels;
+
+ result = acpi_video_device_lcd_get_level_current(device, &level);
+ if (result)
+ goto out_free_levels;
+
+ if ((level != level_old) && !br->flags._BCM_use_index) {
+ /* Note:
+ * This piece of code does not work correctly if the current
+ * brightness levels is 0.
+ * But I guess boxes that boot with such a dark screen are rare
+ * and no more code is needed to cover this specifial case.
+ */
+
+ if (level_ac_battery != 2) {
+ /*
+ * For now, we don't support the _BCL like this:
+ * 16, 15, 0, 1, 2, 3, ..., 14, 15, 16
+ * because we may mess up the index returned by _BQC.
+ * Plus: we have not got a box like this.
+ */
+ ACPI_ERROR((AE_INFO, "_BCL not supported\n"));
+ }
+ br->flags._BQC_use_index = 1;
+ }
+
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ "found %d brightness levels\n", count - 2));
kfree(obj);
- return max_level;
+ return result;
out_free_levels:
kfree(br->levels);
out:
device->brightness = NULL;
kfree(obj);
- return 0;
+ return result;
}
/*
static void acpi_video_device_find_cap(struct acpi_video_device *device)
{
acpi_handle h_dummy1;
- u32 max_level = 0;
memset(&device->cap, 0, sizeof(device->cap));
}
if (ACPI_SUCCESS(acpi_get_handle(device->dev->handle,"_BQC",&h_dummy1)))
device->cap._BQC = 1;
+ else if (ACPI_SUCCESS(acpi_get_handle(device->dev->handle, "_BCQ",
+ &h_dummy1))) {
+ printk(KERN_WARNING FW_BUG "_BCQ is used instead of _BQC\n");
+ device->cap._BCQ = 1;
+ }
+
if (ACPI_SUCCESS(acpi_get_handle(device->dev->handle, "_DDC", &h_dummy1))) {
device->cap._DDC = 1;
}
device->cap._DSS = 1;
}
- if (acpi_video_backlight_support())
- max_level = acpi_video_init_brightness(device);
-
- if (device->cap._BCL && device->cap._BCM && max_level > 0) {
+ if (acpi_video_backlight_support()) {
int result;
static int count = 0;
char *name;
+
+ result = acpi_video_init_brightness(device);
+ if (result)
+ return;
name = kzalloc(MAX_NAME_LEN, GFP_KERNEL);
if (!name)
return;
device->backlight = backlight_device_register(name,
NULL, device, &acpi_backlight_ops);
device->backlight->props.max_brightness = device->brightness->count-3;
- /*
- * If there exists the _BQC object, the _BQC object will be
- * called to get the current backlight brightness. Otherwise
- * the brightness will be set to the maximum.
- */
- if (device->cap._BQC)
- device->backlight->props.brightness =
- acpi_video_get_brightness(device->backlight);
- else
- device->backlight->props.brightness =
- device->backlight->props.max_brightness;
- backlight_update_status(device->backlight);
kfree(name);
device->cdev = thermal_cooling_device_register("LCD",
/* validate through the list of available levels */
for (i = 2; i < dev->brightness->count; i++)
if (level == dev->brightness->levels[i]) {
- if (ACPI_SUCCESS
- (acpi_video_device_lcd_set_level(dev, level)))
- dev->brightness->curr = level;
+ if (!acpi_video_device_lcd_set_level(dev, level))
+ return count;
break;
}
- return count;
+ return -EINVAL;
}
static int acpi_video_device_EDID_seq_show(struct seq_file *seq, void *offset)
if (!device_dir)
return -ENOMEM;
- device_dir->owner = THIS_MODULE;
-
/* 'info' [R] */
entry = proc_create_data("info", S_IRUGO, device_dir,
&acpi_video_device_info_fops, acpi_driver_data(device));
goto err_remove_dir;
/* 'state' [R/W] */
- acpi_video_device_state_fops.write = acpi_video_device_write_state;
entry = proc_create_data("state", S_IFREG | S_IRUGO | S_IWUSR,
device_dir,
&acpi_video_device_state_fops,
goto err_remove_info;
/* 'brightness' [R/W] */
- acpi_video_device_brightness_fops.write =
- acpi_video_device_write_brightness;
entry = proc_create_data("brightness", S_IFREG | S_IRUGO | S_IWUSR,
device_dir,
&acpi_video_device_brightness_fops,
if (!device_dir)
return -ENOMEM;
- device_dir->owner = THIS_MODULE;
-
/* 'info' [R] */
entry = proc_create_data("info", S_IRUGO, device_dir,
&acpi_video_bus_info_fops,
goto err_remove_rom;
/* 'POST' [R/W] */
- acpi_video_bus_POST_fops.write = acpi_video_bus_write_POST;
entry = proc_create_data("POST", S_IFREG | S_IRUGO | S_IWUSR,
device_dir,
&acpi_video_bus_POST_fops,
goto err_remove_post_info;
/* 'DOS' [R/W] */
- acpi_video_bus_DOS_fops.write = acpi_video_bus_write_DOS;
entry = proc_create_data("DOS", S_IFREG | S_IRUGO | S_IWUSR,
device_dir,
&acpi_video_bus_DOS_fops,
}
}
-static void
+static int
acpi_video_switch_brightness(struct acpi_video_device *device, int event)
{
unsigned long long level_current, level_next;
+ int result = -EINVAL;
+
if (!device->brightness)
- return;
- acpi_video_device_lcd_get_level_current(device, &level_current);
+ goto out;
+
+ result = acpi_video_device_lcd_get_level_current(device,
+ &level_current);
+ if (result)
+ goto out;
+
level_next = acpi_video_get_next_level(device, level_current, event);
- acpi_video_device_lcd_set_level(device, level_next);
+
+ result = acpi_video_device_lcd_set_level(device, level_next);
+
+out:
+ if (result)
+ printk(KERN_ERR PREFIX "Failed to switch the brightness\n");
+
+ return result;
}
static int
return 0;
}
-static int __init acpi_video_init(void)
+static int __init intel_opregion_present(void)
+{
+#if defined(CONFIG_DRM_I915) || defined(CONFIG_DRM_I915_MODULE)
+ struct pci_dev *dev = NULL;
+ u32 address;
+
+ for_each_pci_dev(dev) {
+ if ((dev->class >> 8) != PCI_CLASS_DISPLAY_VGA)
+ continue;
+ if (dev->vendor != PCI_VENDOR_ID_INTEL)
+ continue;
+ pci_read_config_dword(dev, 0xfc, &address);
+ if (!address)
+ continue;
+ return 1;
+ }
+#endif
+ return 0;
+}
+
+int acpi_video_register(void)
{
int result = 0;
acpi_video_dir = proc_mkdir(ACPI_VIDEO_CLASS, acpi_root_dir);
if (!acpi_video_dir)
return -ENODEV;
- acpi_video_dir->owner = THIS_MODULE;
result = acpi_bus_register_driver(&acpi_video_bus);
if (result < 0) {
return 0;
}
+EXPORT_SYMBOL(acpi_video_register);
+
+/*
+ * This is kind of nasty. Hardware using Intel chipsets may require
+ * the video opregion code to be run first in order to initialise
+ * state before any ACPI video calls are made. To handle this we defer
+ * registration of the video class until the opregion code has run.
+ */
+
+static int __init acpi_video_init(void)
+{
+ if (intel_opregion_present())
+ return 0;
+
+ return acpi_video_register();
+}
static void __exit acpi_video_exit(void)
{
int i915_wait_ring(struct drm_device * dev, int n, const char *caller)
{
drm_i915_private_t *dev_priv = dev->dev_private;
- struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv;
drm_i915_ring_buffer_t *ring = &(dev_priv->ring);
u32 acthd_reg = IS_I965G(dev) ? ACTHD_I965 : ACTHD;
u32 last_acthd = I915_READ(acthd_reg);
if (ring->space >= n)
return 0;
- if (master_priv->sarea_priv)
- master_priv->sarea_priv->perf_boxes |= I915_BOX_WAIT;
+ if (dev->primary->master) {
+ struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv;
+ if (master_priv->sarea_priv)
+ master_priv->sarea_priv->perf_boxes |= I915_BOX_WAIT;
+ }
+
if (ring->head != last_head)
i = 0;
return ret;
}
- static int i915_emit_cmds(struct drm_device * dev, int __user * buffer, int dwords)
+ static int i915_emit_cmds(struct drm_device * dev, int *buffer, int dwords)
{
drm_i915_private_t *dev_priv = dev->dev_private;
int i;
for (i = 0; i < dwords;) {
int cmd, sz;
- if (DRM_COPY_FROM_USER_UNCHECKED(&cmd, &buffer[i], sizeof(cmd)))
- return -EINVAL;
+ cmd = buffer[i];
if ((sz = validate_cmd(cmd)) == 0 || i + sz > dwords)
return -EINVAL;
OUT_RING(cmd);
while (++i, --sz) {
- if (DRM_COPY_FROM_USER_UNCHECKED(&cmd, &buffer[i],
- sizeof(cmd))) {
- return -EINVAL;
- }
- OUT_RING(cmd);
+ OUT_RING(buffer[i]);
}
}
int
i915_emit_box(struct drm_device *dev,
- struct drm_clip_rect __user *boxes,
+ struct drm_clip_rect *boxes,
int i, int DR1, int DR4)
{
drm_i915_private_t *dev_priv = dev->dev_private;
- struct drm_clip_rect box;
+ struct drm_clip_rect box = boxes[i];
RING_LOCALS;
- if (DRM_COPY_FROM_USER_UNCHECKED(&box, &boxes[i], sizeof(box))) {
- return -EFAULT;
- }
-
if (box.y2 <= box.y1 || box.x2 <= box.x1 || box.y2 <= 0 || box.x2 <= 0) {
DRM_ERROR("Bad box %d,%d..%d,%d\n",
box.x1, box.y1, box.x2, box.y2);
}
static int i915_dispatch_cmdbuffer(struct drm_device * dev,
- drm_i915_cmdbuffer_t * cmd)
+ drm_i915_cmdbuffer_t *cmd,
+ struct drm_clip_rect *cliprects,
+ void *cmdbuf)
{
int nbox = cmd->num_cliprects;
int i = 0, count, ret;
for (i = 0; i < count; i++) {
if (i < nbox) {
- ret = i915_emit_box(dev, cmd->cliprects, i,
+ ret = i915_emit_box(dev, cliprects, i,
cmd->DR1, cmd->DR4);
if (ret)
return ret;
}
- ret = i915_emit_cmds(dev, (int __user *)cmd->buf, cmd->sz / 4);
+ ret = i915_emit_cmds(dev, cmdbuf, cmd->sz / 4);
if (ret)
return ret;
}
}
static int i915_dispatch_batchbuffer(struct drm_device * dev,
- drm_i915_batchbuffer_t * batch)
+ drm_i915_batchbuffer_t * batch,
+ struct drm_clip_rect *cliprects)
{
drm_i915_private_t *dev_priv = dev->dev_private;
- struct drm_clip_rect __user *boxes = batch->cliprects;
int nbox = batch->num_cliprects;
int i = 0, count;
RING_LOCALS;
for (i = 0; i < count; i++) {
if (i < nbox) {
- int ret = i915_emit_box(dev, boxes, i,
+ int ret = i915_emit_box(dev, cliprects, i,
batch->DR1, batch->DR4);
if (ret)
return ret;
master_priv->sarea_priv;
drm_i915_batchbuffer_t *batch = data;
int ret;
+ struct drm_clip_rect *cliprects = NULL;
if (!dev_priv->allow_batchbuffer) {
DRM_ERROR("Batchbuffer ioctl disabled\n");
RING_LOCK_TEST_WITH_RETURN(dev, file_priv);
- if (batch->num_cliprects && DRM_VERIFYAREA_READ(batch->cliprects,
- batch->num_cliprects *
- sizeof(struct drm_clip_rect)))
- return -EFAULT;
+ if (batch->num_cliprects < 0)
+ return -EINVAL;
+
+ if (batch->num_cliprects) {
+ cliprects = drm_calloc(batch->num_cliprects,
+ sizeof(struct drm_clip_rect),
+ DRM_MEM_DRIVER);
+ if (cliprects == NULL)
+ return -ENOMEM;
+
+ ret = copy_from_user(cliprects, batch->cliprects,
+ batch->num_cliprects *
+ sizeof(struct drm_clip_rect));
+ if (ret != 0)
+ goto fail_free;
+ }
mutex_lock(&dev->struct_mutex);
- ret = i915_dispatch_batchbuffer(dev, batch);
+ ret = i915_dispatch_batchbuffer(dev, batch, cliprects);
mutex_unlock(&dev->struct_mutex);
if (sarea_priv)
sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv);
+
+ fail_free:
+ drm_free(cliprects,
+ batch->num_cliprects * sizeof(struct drm_clip_rect),
+ DRM_MEM_DRIVER);
+
return ret;
}
drm_i915_sarea_t *sarea_priv = (drm_i915_sarea_t *)
master_priv->sarea_priv;
drm_i915_cmdbuffer_t *cmdbuf = data;
+ struct drm_clip_rect *cliprects = NULL;
+ void *batch_data;
int ret;
DRM_DEBUG("i915 cmdbuffer, buf %p sz %d cliprects %d\n",
RING_LOCK_TEST_WITH_RETURN(dev, file_priv);
- if (cmdbuf->num_cliprects &&
- DRM_VERIFYAREA_READ(cmdbuf->cliprects,
- cmdbuf->num_cliprects *
- sizeof(struct drm_clip_rect))) {
- DRM_ERROR("Fault accessing cliprects\n");
- return -EFAULT;
+ if (cmdbuf->num_cliprects < 0)
+ return -EINVAL;
+
+ batch_data = drm_alloc(cmdbuf->sz, DRM_MEM_DRIVER);
+ if (batch_data == NULL)
+ return -ENOMEM;
+
+ ret = copy_from_user(batch_data, cmdbuf->buf, cmdbuf->sz);
+ if (ret != 0)
+ goto fail_batch_free;
+
+ if (cmdbuf->num_cliprects) {
+ cliprects = drm_calloc(cmdbuf->num_cliprects,
+ sizeof(struct drm_clip_rect),
+ DRM_MEM_DRIVER);
+ if (cliprects == NULL)
+ goto fail_batch_free;
+
+ ret = copy_from_user(cliprects, cmdbuf->cliprects,
+ cmdbuf->num_cliprects *
+ sizeof(struct drm_clip_rect));
+ if (ret != 0)
+ goto fail_clip_free;
}
mutex_lock(&dev->struct_mutex);
- ret = i915_dispatch_cmdbuffer(dev, cmdbuf);
+ ret = i915_dispatch_cmdbuffer(dev, cmdbuf, cliprects, batch_data);
mutex_unlock(&dev->struct_mutex);
if (ret) {
DRM_ERROR("i915_dispatch_cmdbuffer failed\n");
- return ret;
+ goto fail_batch_free;
}
if (sarea_priv)
sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv);
- return 0;
+
+ fail_batch_free:
+ drm_free(batch_data, cmdbuf->sz, DRM_MEM_DRIVER);
+ fail_clip_free:
+ drm_free(cliprects,
+ cmdbuf->num_cliprects * sizeof(struct drm_clip_rect),
+ DRM_MEM_DRIVER);
+
+ return ret;
}
static int i915_flip_bufs(struct drm_device *dev, void *data,
* Some of the preallocated space is taken by the GTT
* and popup. GTT is 1K per MB of aperture size, and popup is 4K.
*/
- if (IS_G4X(dev))
+ if (IS_G4X(dev) || IS_IGD(dev))
overhead = 4096;
else
overhead = (*aperture_size / 1024) + 4096;
if (ret)
goto destroy_ringbuffer;
- /* FIXME: re-add hotplug support */
- #if 0
- ret = drm_hotplug_init(dev);
- if (ret)
- goto destroy_ringbuffer;
- #endif
-
/* Always safe in the mode setting case. */
/* FIXME: do pre/post-mode set stuff in core KMS code */
dev->vblank_disable_allowed = 1;
intel_modeset_init(dev);
- drm_helper_initial_config(dev, false);
+ drm_helper_initial_config(dev);
return 0;
int i915_driver_load(struct drm_device *dev, unsigned long flags)
{
struct drm_i915_private *dev_priv = dev->dev_private;
- unsigned long base, size;
+ resource_size_t base, size;
int ret = 0, mmio_bar = IS_I9XX(dev) ? 0 : 1;
/* i915 has 4 more counters */
if (!IS_I945G(dev) && !IS_I945GM(dev))
pci_enable_msi(dev->pdev);
- intel_opregion_init(dev);
-
spin_lock_init(&dev_priv->user_irq_lock);
dev_priv->user_irq_refcount = 0;
}
}
+ /* Must be done after probing outputs */
+ intel_opregion_init(dev, 0);
+
return 0;
out_iomapfree:
unsigned int i915_fbpercrtc = 0;
module_param_named(fbpercrtc, i915_fbpercrtc, int, 0400);
+ static struct drm_driver driver;
+
static struct pci_device_id pciidlist[] = {
i915_PCI_IDS
};
i915_restore_state(dev);
- intel_opregion_init(dev);
+ intel_opregion_init(dev, 1);
/* KMS EnterVT equivalent */
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
return ret;
}
+ static int __devinit
+ i915_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+ {
+ return drm_get_dev(pdev, ent, &driver);
+ }
+
+ static void
+ i915_pci_remove(struct pci_dev *pdev)
+ {
+ struct drm_device *dev = pci_get_drvdata(pdev);
+
+ drm_put_dev(dev);
+ }
+
+ static int
+ i915_pci_suspend(struct pci_dev *pdev, pm_message_t state)
+ {
+ struct drm_device *dev = pci_get_drvdata(pdev);
+
+ return i915_suspend(dev, state);
+ }
+
+ static int
+ i915_pci_resume(struct pci_dev *pdev)
+ {
+ struct drm_device *dev = pci_get_drvdata(pdev);
+
+ return i915_resume(dev);
+ }
+
static struct vm_operations_struct i915_gem_vm_ops = {
.fault = i915_gem_fault,
.open = drm_gem_vm_open,
.get_reg_ofs = drm_core_get_reg_ofs,
.master_create = i915_master_create,
.master_destroy = i915_master_destroy,
- .proc_init = i915_gem_proc_init,
- .proc_cleanup = i915_gem_proc_cleanup,
+ #if defined(CONFIG_DEBUG_FS)
+ .debugfs_init = i915_gem_debugfs_init,
+ .debugfs_cleanup = i915_gem_debugfs_cleanup,
+ #endif
.gem_init_object = i915_gem_init_object,
.gem_free_object = i915_gem_free_object,
.gem_vm_ops = &i915_gem_vm_ops,
.pci_driver = {
.name = DRIVER_NAME,
.id_table = pciidlist,
+ .probe = i915_pci_probe,
+ .remove = i915_pci_remove,
+ #ifdef CONFIG_PM
+ .resume = i915_pci_resume,
+ .suspend = i915_pci_suspend,
+ #endif
},
.name = DRIVER_NAME,
u32 irq_mask_reg;
u32 pipestat[2];
+ u32 hotplug_supported_mask;
+ struct work_struct hotplug_work;
+
int tex_lru_log_granularity;
int allow_batchbuffer;
struct mem_block *agp_heap;
*
* A reference is held on the buffer while on this list.
*/
+ spinlock_t active_list_lock;
struct list_head active_list;
/**
/** AGP memory structure for our GTT binding. */
DRM_AGP_MEM *agp_mem;
- struct page **page_list;
+ struct page **pages;
+ int pages_refcount;
/**
* Current offset of the object in GTT space.
extern long i915_compat_ioctl(struct file *filp, unsigned int cmd,
unsigned long arg);
extern int i915_emit_box(struct drm_device *dev,
- struct drm_clip_rect __user *boxes,
+ struct drm_clip_rect *boxes,
int i, int DR1, int DR4);
/* i915_irq.c */
int i915_gem_get_aperture_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
void i915_gem_load(struct drm_device *dev);
- int i915_gem_proc_init(struct drm_minor *minor);
- void i915_gem_proc_cleanup(struct drm_minor *minor);
int i915_gem_init_object(struct drm_gem_object *obj);
void i915_gem_free_object(struct drm_gem_object *obj);
int i915_gem_object_pin(struct drm_gem_object *obj, uint32_t alignment);
const char *where, uint32_t mark);
void i915_dump_lru(struct drm_device *dev, const char *where);
+ /* i915_debugfs.c */
+ int i915_gem_debugfs_init(struct drm_minor *minor);
+ void i915_gem_debugfs_cleanup(struct drm_minor *minor);
+
/* i915_suspend.c */
extern int i915_save_state(struct drm_device *dev);
extern int i915_restore_state(struct drm_device *dev);
#ifdef CONFIG_ACPI
/* i915_opregion.c */
-extern int intel_opregion_init(struct drm_device *dev);
+extern int intel_opregion_init(struct drm_device *dev, int resume);
extern void intel_opregion_free(struct drm_device *dev);
extern void opregion_asle_intr(struct drm_device *dev);
extern void opregion_enable_asle(struct drm_device *dev);
#else
-static inline int intel_opregion_init(struct drm_device *dev) { return 0; }
+static inline int intel_opregion_init(struct drm_device *dev, int resume) { return 0; }
static inline void intel_opregion_free(struct drm_device *dev) { return; }
static inline void opregion_asle_intr(struct drm_device *dev) { return; }
static inline void opregion_enable_asle(struct drm_device *dev) { return; }
(dev)->pci_device == 0x2E22 || \
IS_GM45(dev))
+ #define IS_IGDG(dev) ((dev)->pci_device == 0xa001)
+ #define IS_IGDGM(dev) ((dev)->pci_device == 0xa011)
+ #define IS_IGD(dev) (IS_IGDG(dev) || IS_IGDGM(dev))
+
#define IS_G33(dev) ((dev)->pci_device == 0x29C2 || \
(dev)->pci_device == 0x29B2 || \
- (dev)->pci_device == 0x29D2)
+ (dev)->pci_device == 0x29D2 || \
+ (IS_IGD(dev)))
#define IS_I9XX(dev) (IS_I915G(dev) || IS_I915GM(dev) || IS_I945G(dev) || \
IS_I945GM(dev) || IS_I965G(dev) || IS_G33(dev))
#define IS_MOBILE(dev) (IS_I830(dev) || IS_I85X(dev) || IS_I915GM(dev) || \
- IS_I945GM(dev) || IS_I965GM(dev) || IS_GM45(dev))
+ IS_I945GM(dev) || IS_I965GM(dev) || IS_GM45(dev) || \
+ IS_IGD(dev))
#define I915_NEED_GFX_HWS(dev) (IS_G33(dev) || IS_GM45(dev) || IS_G4X(dev))
/* With the 945 and later, Y tiling got adjusted so that it was 32 128-byte
#define HAS_128_BYTE_Y_TILING(dev) (IS_I9XX(dev) && !(IS_I915G(dev) || \
IS_I915GM(dev)))
#define SUPPORTS_INTEGRATED_HDMI(dev) (IS_G4X(dev))
+ #define I915_HAS_HOTPLUG(dev) (IS_I945G(dev) || IS_I945GM(dev) || IS_I965G(dev))
#define PRIMARY_RINGBUFFER_SIZE (128*1024)
#include <linux/pci-acpi.h>
#include "pci.h"
- struct acpi_osc_data {
- acpi_handle handle;
- u32 support_set;
- u32 control_set;
- u32 control_query;
- int is_queried;
- struct list_head sibiling;
- };
- static LIST_HEAD(acpi_osc_data_list);
-
- struct acpi_osc_args {
- u32 capbuf[3];
- };
-
- static DEFINE_MUTEX(pci_acpi_lock);
-
- static struct acpi_osc_data *acpi_get_osc_data(acpi_handle handle)
- {
- struct acpi_osc_data *data;
-
- list_for_each_entry(data, &acpi_osc_data_list, sibiling) {
- if (data->handle == handle)
- return data;
- }
- data = kzalloc(sizeof(*data), GFP_KERNEL);
- if (!data)
- return NULL;
- INIT_LIST_HEAD(&data->sibiling);
- data->handle = handle;
- list_add_tail(&data->sibiling, &acpi_osc_data_list);
- return data;
- }
-
- static u8 OSC_UUID[16] = {0x5B, 0x4D, 0xDB, 0x33, 0xF7, 0x1F, 0x1C, 0x40,
- 0x96, 0x57, 0x74, 0x41, 0xC0, 0x3D, 0xD7, 0x66};
-
- static acpi_status acpi_run_osc(acpi_handle handle,
- struct acpi_osc_args *osc_args, u32 *retval)
- {
- acpi_status status;
- struct acpi_object_list input;
- union acpi_object in_params[4];
- struct acpi_buffer output = {ACPI_ALLOCATE_BUFFER, NULL};
- union acpi_object *out_obj;
- u32 errors, flags = osc_args->capbuf[OSC_QUERY_TYPE];
-
- /* Setting up input parameters */
- input.count = 4;
- input.pointer = in_params;
- in_params[0].type = ACPI_TYPE_BUFFER;
- in_params[0].buffer.length = 16;
- in_params[0].buffer.pointer = OSC_UUID;
- in_params[1].type = ACPI_TYPE_INTEGER;
- in_params[1].integer.value = 1;
- in_params[2].type = ACPI_TYPE_INTEGER;
- in_params[2].integer.value = 3;
- in_params[3].type = ACPI_TYPE_BUFFER;
- in_params[3].buffer.length = 12;
- in_params[3].buffer.pointer = (u8 *)osc_args->capbuf;
-
- status = acpi_evaluate_object(handle, "_OSC", &input, &output);
- if (ACPI_FAILURE(status))
- return status;
-
- if (!output.length)
- return AE_NULL_OBJECT;
-
- out_obj = output.pointer;
- if (out_obj->type != ACPI_TYPE_BUFFER) {
- printk(KERN_DEBUG "Evaluate _OSC returns wrong type\n");
- status = AE_TYPE;
- goto out_kfree;
- }
- /* Need to ignore the bit0 in result code */
- errors = *((u32 *)out_obj->buffer.pointer) & ~(1 << 0);
- if (errors) {
- if (errors & OSC_REQUEST_ERROR)
- printk(KERN_DEBUG "_OSC request fails\n");
- if (errors & OSC_INVALID_UUID_ERROR)
- printk(KERN_DEBUG "_OSC invalid UUID\n");
- if (errors & OSC_INVALID_REVISION_ERROR)
- printk(KERN_DEBUG "_OSC invalid revision\n");
- if (errors & OSC_CAPABILITIES_MASK_ERROR) {
- if (flags & OSC_QUERY_ENABLE)
- goto out_success;
- printk(KERN_DEBUG "_OSC FW not grant req. control\n");
- status = AE_SUPPORT;
- goto out_kfree;
- }
- status = AE_ERROR;
- goto out_kfree;
- }
- out_success:
- *retval = *((u32 *)(out_obj->buffer.pointer + 8));
- status = AE_OK;
-
- out_kfree:
- kfree(output.pointer);
- return status;
- }
-
- static acpi_status __acpi_query_osc(u32 flags, struct acpi_osc_data *osc_data)
- {
- acpi_status status;
- u32 support_set, result;
- struct acpi_osc_args osc_args;
-
- /* do _OSC query for all possible controls */
- support_set = osc_data->support_set | (flags & OSC_SUPPORT_MASKS);
- osc_args.capbuf[OSC_QUERY_TYPE] = OSC_QUERY_ENABLE;
- osc_args.capbuf[OSC_SUPPORT_TYPE] = support_set;
- osc_args.capbuf[OSC_CONTROL_TYPE] = OSC_CONTROL_MASKS;
-
- status = acpi_run_osc(osc_data->handle, &osc_args, &result);
- if (ACPI_SUCCESS(status)) {
- osc_data->support_set = support_set;
- osc_data->control_query = result;
- osc_data->is_queried = 1;
- }
-
- return status;
- }
-
- /*
- * pci_acpi_osc_support: Invoke _OSC indicating support for the given feature
- * @flags: Bitmask of flags to support
- *
- * See the ACPI spec for the definition of the flags
- */
- int pci_acpi_osc_support(acpi_handle handle, u32 flags)
- {
- acpi_status status;
- acpi_handle tmp;
- struct acpi_osc_data *osc_data;
- int rc = 0;
-
- status = acpi_get_handle(handle, "_OSC", &tmp);
- if (ACPI_FAILURE(status))
- return -ENOTTY;
-
- mutex_lock(&pci_acpi_lock);
- osc_data = acpi_get_osc_data(handle);
- if (!osc_data) {
- printk(KERN_ERR "acpi osc data array is full\n");
- rc = -ENOMEM;
- goto out;
- }
-
- __acpi_query_osc(flags, osc_data);
- out:
- mutex_unlock(&pci_acpi_lock);
- return rc;
- }
-
- /**
- * pci_osc_control_set - commit requested control to Firmware
- * @handle: acpi_handle for the target ACPI object
- * @flags: driver's requested control bits
- *
- * Attempt to take control from Firmware on requested control bits.
- **/
- acpi_status pci_osc_control_set(acpi_handle handle, u32 flags)
- {
- acpi_status status;
- u32 control_req, control_set, result;
- acpi_handle tmp;
- struct acpi_osc_data *osc_data;
- struct acpi_osc_args osc_args;
-
- status = acpi_get_handle(handle, "_OSC", &tmp);
- if (ACPI_FAILURE(status))
- return status;
-
- mutex_lock(&pci_acpi_lock);
- osc_data = acpi_get_osc_data(handle);
- if (!osc_data) {
- printk(KERN_ERR "acpi osc data array is full\n");
- status = AE_ERROR;
- goto out;
- }
-
- control_req = (flags & OSC_CONTROL_MASKS);
- if (!control_req) {
- status = AE_TYPE;
- goto out;
- }
-
- /* No need to evaluate _OSC if the control was already granted. */
- if ((osc_data->control_set & control_req) == control_req)
- goto out;
-
- if (!osc_data->is_queried) {
- status = __acpi_query_osc(osc_data->support_set, osc_data);
- if (ACPI_FAILURE(status))
- goto out;
- }
-
- if ((osc_data->control_query & control_req) != control_req) {
- status = AE_SUPPORT;
- goto out;
- }
-
- control_set = osc_data->control_set | control_req;
- osc_args.capbuf[OSC_QUERY_TYPE] = 0;
- osc_args.capbuf[OSC_SUPPORT_TYPE] = osc_data->support_set;
- osc_args.capbuf[OSC_CONTROL_TYPE] = control_set;
- status = acpi_run_osc(handle, &osc_args, &result);
- if (ACPI_SUCCESS(status))
- osc_data->control_set = result;
- out:
- mutex_unlock(&pci_acpi_lock);
- return status;
- }
- EXPORT_SYMBOL(pci_osc_control_set);
-
/*
* _SxD returns the D-state with the highest power
* (lowest D-state number) supported in the S-state "x".
{
int ret;
- if (acpi_gbl_FADT.boot_flags & BAF_MSI_NOT_SUPPORTED) {
+ if (acpi_gbl_FADT.boot_flags & ACPI_FADT_NO_MSI) {
printk(KERN_INFO"ACPI FADT declares the system doesn't support MSI, so disable it\n");
pci_no_msi();
}
- if (acpi_gbl_FADT.boot_flags & BAF_PCIE_ASPM_CONTROL) {
+ if (acpi_gbl_FADT.boot_flags & ACPI_FADT_NO_ASPM) {
printk(KERN_INFO"ACPI FADT declares the system doesn't support PCIe ASPM, so disable it\n");
pcie_no_aspm();
}
* ACPI Sony Notebook Control Driver (SNC and SPIC)
*
* Copyright (C) 2004-2005 Stelian Pop <stelian@popies.net>
- * Copyright (C) 2007 Mattia Dongili <malattia@linux.it>
+ * Copyright (C) 2007-2009 Mattia Dongili <malattia@linux.it>
*
* Parts of this driver inspired from asus_acpi.c and ibm_acpi.c
* which are copyrighted by their respective authors.
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
-#include <linux/smp_lock.h>
#include <linux/types.h>
#include <linux/backlight.h>
#include <linux/platform_device.h>
#include <asm/uaccess.h>
#include <linux/sonypi.h>
#include <linux/sony-laptop.h>
+#include <linux/rfkill.h>
#ifdef CONFIG_SONYPI_COMPAT
#include <linux/poll.h>
#include <linux/miscdevice.h>
"default is -1 (automatic)");
#endif
+enum sony_nc_rfkill {
+ SONY_WIFI,
+ SONY_BLUETOOTH,
+ SONY_WWAN,
+ SONY_WIMAX,
+ SONY_RFKILL_MAX,
+};
+
+static struct rfkill *sony_rfkill_devices[SONY_RFKILL_MAX];
+static int sony_rfkill_address[SONY_RFKILL_MAX] = {0x300, 0x500, 0x700, 0x900};
+static void sony_nc_rfkill_update(void);
+
/*********** Input Devices ***********/
#define SONY_LAPTOP_BUF_SIZE 128
spinlock_t fifo_lock;
struct workqueue_struct *wq;
};
+
static struct sony_laptop_input_s sony_laptop_input = {
.users = ATOMIC_INIT(0),
};
48, /* 61 SONYPI_EVENT_WIRELESS_OFF */
49, /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
50, /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
+ 51, /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */
+ 52, /* 65 SONYPI_EVENT_MODEKEY_PRESSED */
+ 53, /* 66 SONYPI_EVENT_PKEY_P4 */
+ 54, /* 67 SONYPI_EVENT_PKEY_P5 */
+ 55, /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */
+ 56, /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */
+ 57, /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */
+ -1, /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */
};
static int sony_laptop_input_keycode_map[] = {
KEY_WLAN, /* 47 SONYPI_EVENT_WIRELESS_ON */
KEY_WLAN, /* 48 SONYPI_EVENT_WIRELESS_OFF */
KEY_ZOOMIN, /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
- KEY_ZOOMOUT /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
+ KEY_ZOOMOUT, /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
+ KEY_EJECTCD, /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
+ KEY_F13, /* 52 SONYPI_EVENT_MODEKEY_PRESSED */
+ KEY_PROG4, /* 53 SONYPI_EVENT_PKEY_P4 */
+ KEY_F14, /* 54 SONYPI_EVENT_PKEY_P5 */
+ KEY_F15, /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
+ KEY_VOLUMEUP, /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
+ KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
};
/* release buttons after a short delay if pressed */
sony_laptop_input.wq = create_singlethread_workqueue("sony-laptop");
if (!sony_laptop_input.wq) {
printk(KERN_ERR DRV_PFX
- "Unabe to create workqueue.\n");
+ "Unable to create workqueue.\n");
error = -ENXIO;
goto err_free_kfifo;
}
return -1;
}
+static int sony_find_snc_handle(int handle)
+{
+ int i;
+ int result;
+
+ for (i = 0x20; i < 0x30; i++) {
+ acpi_callsetfunc(sony_nc_acpi_handle, "SN00", i, &result);
+ if (result == handle)
+ return i-0x20;
+ }
+
+ return -1;
+}
+
+static int sony_call_snc_handle(int handle, int argument, int *result)
+{
+ int offset = sony_find_snc_handle(handle);
+
+ if (offset < 0)
+ return -1;
+
+ return acpi_callsetfunc(sony_nc_acpi_handle, "SN07", offset | argument,
+ result);
+}
+
/*
* sony_nc_values input/output validate functions
*/
u8 event;
};
-static struct sony_nc_event *sony_nc_events;
-
-/* Vaio C* --maybe also FE*, N* and AR* ?-- special init sequence
- * for Fn keys
- */
-static int sony_nc_C_enable(const struct dmi_system_id *id)
-{
- int result = 0;
-
- printk(KERN_NOTICE DRV_PFX "detected %s\n", id->ident);
-
- sony_nc_events = id->driver_data;
-
- if (acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0x4, &result) < 0
- || acpi_callsetfunc(sony_nc_acpi_handle, "SN07", 0x2, &result) < 0
- || acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0x10, &result) < 0
- || acpi_callsetfunc(sony_nc_acpi_handle, "SN07", 0x0, &result) < 0
- || acpi_callsetfunc(sony_nc_acpi_handle, "SN03", 0x2, &result) < 0
- || acpi_callsetfunc(sony_nc_acpi_handle, "SN07", 0x101, &result) < 0) {
- printk(KERN_WARNING DRV_PFX "failed to initialize SNC, some "
- "functionalities may be missing\n");
- return 1;
- }
- return 0;
-}
-
-static struct sony_nc_event sony_C_events[] = {
+static struct sony_nc_event sony_100_events[] = {
+ { 0x90, SONYPI_EVENT_PKEY_P1 },
+ { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
+ { 0x91, SONYPI_EVENT_PKEY_P2 },
+ { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
{ 0x81, SONYPI_EVENT_FNKEY_F1 },
{ 0x01, SONYPI_EVENT_FNKEY_RELEASED },
+ { 0x82, SONYPI_EVENT_FNKEY_F2 },
+ { 0x02, SONYPI_EVENT_FNKEY_RELEASED },
+ { 0x83, SONYPI_EVENT_FNKEY_F3 },
+ { 0x03, SONYPI_EVENT_FNKEY_RELEASED },
+ { 0x84, SONYPI_EVENT_FNKEY_F4 },
+ { 0x04, SONYPI_EVENT_FNKEY_RELEASED },
{ 0x85, SONYPI_EVENT_FNKEY_F5 },
{ 0x05, SONYPI_EVENT_FNKEY_RELEASED },
{ 0x86, SONYPI_EVENT_FNKEY_F6 },
{ 0x06, SONYPI_EVENT_FNKEY_RELEASED },
{ 0x87, SONYPI_EVENT_FNKEY_F7 },
{ 0x07, SONYPI_EVENT_FNKEY_RELEASED },
+ { 0x89, SONYPI_EVENT_FNKEY_F9 },
+ { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
{ 0x8A, SONYPI_EVENT_FNKEY_F10 },
{ 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
{ 0x8C, SONYPI_EVENT_FNKEY_F12 },
{ 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
+ { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
+ { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
{ 0, 0 },
};
-/* SNC-only model map */
-static const struct dmi_system_id sony_nc_ids[] = {
- {
- .ident = "Sony Vaio FE Series",
- .callback = sony_nc_C_enable,
- .driver_data = sony_C_events,
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
- DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FE"),
- },
- },
- {
- .ident = "Sony Vaio FZ Series",
- .callback = sony_nc_C_enable,
- .driver_data = sony_C_events,
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
- DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FZ"),
- },
- },
- {
- .ident = "Sony Vaio C Series",
- .callback = sony_nc_C_enable,
- .driver_data = sony_C_events,
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
- DMI_MATCH(DMI_PRODUCT_NAME, "VGN-C"),
- },
- },
- {
- .ident = "Sony Vaio N Series",
- .callback = sony_nc_C_enable,
- .driver_data = sony_C_events,
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
- DMI_MATCH(DMI_PRODUCT_NAME, "VGN-N"),
- },
- },
- { }
+static struct sony_nc_event sony_127_events[] = {
+ { 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
+ { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
+ { 0x82, SONYPI_EVENT_PKEY_P1 },
+ { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
+ { 0x83, SONYPI_EVENT_PKEY_P2 },
+ { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
+ { 0x84, SONYPI_EVENT_PKEY_P3 },
+ { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
+ { 0x85, SONYPI_EVENT_PKEY_P4 },
+ { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
+ { 0x86, SONYPI_EVENT_PKEY_P5 },
+ { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
+ { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
+ { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
+ { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
+ { 0, 0 },
};
/*
*/
static void sony_acpi_notify(acpi_handle handle, u32 event, void *data)
{
- struct sony_nc_event *evmap;
u32 ev = event;
- int result;
- if (ev == 0x92) {
- /* read the key pressed from EC.GECR
- * A call to SN07 with 0x0202 will do it as well respecting
- * the current protocol on different OSes
- *
- * Note: the path for GECR may be
- * \_SB.PCI0.LPCB.EC (C, FE, AR, N and friends)
- * \_SB.PCI0.PIB.EC0 (VGN-FR notifications are sent directly, no GECR)
- *
- * TODO: we may want to do the same for the older GHKE -need
- * dmi list- so this snippet may become one more callback.
- */
- if (acpi_callsetfunc(handle, "SN07", 0x0202, &result) < 0)
- dprintk("sony_acpi_notify, unable to decode event 0x%.2x\n", ev);
- else
- ev = result & 0xFF;
- }
+ if (ev >= 0x90) {
+ /* New-style event */
+ int result;
+ int key_handle = 0;
+ ev -= 0x90;
+
+ if (sony_find_snc_handle(0x100) == ev)
+ key_handle = 0x100;
+ if (sony_find_snc_handle(0x127) == ev)
+ key_handle = 0x127;
+
+ if (key_handle) {
+ struct sony_nc_event *key_event;
+
+ if (sony_call_snc_handle(key_handle, 0x200, &result)) {
+ dprintk("sony_acpi_notify, unable to decode"
+ " event 0x%.2x 0x%.2x\n", key_handle,
+ ev);
+ /* restore the original event */
+ ev = event;
+ } else {
+ ev = result & 0xFF;
+
+ if (key_handle == 0x100)
+ key_event = sony_100_events;
+ else
+ key_event = sony_127_events;
+
+ for (; key_event->data; key_event++) {
+ if (key_event->data == ev) {
+ ev = key_event->event;
+ break;
+ }
+ }
- if (sony_nc_events)
- for (evmap = sony_nc_events; evmap->event; evmap++) {
- if (evmap->data == ev) {
- ev = evmap->event;
- break;
+ if (!key_event->data)
+ printk(KERN_INFO DRV_PFX
+ "Unknown event: 0x%x 0x%x\n",
+ key_handle,
+ ev);
+ else
+ sony_laptop_report_input_event(ev);
}
+ } else if (sony_find_snc_handle(0x124) == ev) {
+ sony_nc_rfkill_update();
+ return;
}
+ } else
+ sony_laptop_report_input_event(ev);
dprintk("sony_acpi_notify, event: 0x%.2x\n", ev);
- sony_laptop_report_input_event(ev);
acpi_bus_generate_proc_event(sony_nc_acpi_device, 1, ev);
}
/*
* ACPI device
*/
+static int sony_nc_function_setup(struct acpi_device *device)
+{
+ int result;
+
+ /* Enable all events */
+ acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0xffff, &result);
+
+ /* Setup hotkeys */
+ sony_call_snc_handle(0x0100, 0, &result);
+ sony_call_snc_handle(0x0101, 0, &result);
+ sony_call_snc_handle(0x0102, 0x100, &result);
+
+ return 0;
+}
+
static int sony_nc_resume(struct acpi_device *device)
{
struct sony_nc_value *item;
+ acpi_handle handle;
for (item = sony_nc_values; item->name; item++) {
int ret;
}
}
+ if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
+ &handle))) {
+ if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
+ dprintk("ECON Method failed\n");
+ }
+
+ if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
+ &handle))) {
+ dprintk("Doing SNC setup\n");
+ sony_nc_function_setup(device);
+ }
+
/* set the last requested brightness level */
if (sony_backlight_device &&
!sony_backlight_update_status(sony_backlight_device))
printk(KERN_WARNING DRV_PFX "unable to restore brightness level\n");
- /* re-initialize models with specific requirements */
- dmi_check_system(sony_nc_ids);
+ return 0;
+}
+
+static void sony_nc_rfkill_cleanup(void)
+{
+ int i;
+
+ for (i = 0; i < SONY_RFKILL_MAX; i++) {
+ if (sony_rfkill_devices[i])
+ rfkill_unregister(sony_rfkill_devices[i]);
+ }
+}
+
+static int sony_nc_rfkill_get(void *data, enum rfkill_state *state)
+{
+ int result;
+ int argument = sony_rfkill_address[(long) data];
+
+ sony_call_snc_handle(0x124, 0x200, &result);
+ if (result & 0x1) {
+ sony_call_snc_handle(0x124, argument, &result);
+ if (result & 0xf)
+ *state = RFKILL_STATE_UNBLOCKED;
+ else
+ *state = RFKILL_STATE_SOFT_BLOCKED;
+ } else {
+ *state = RFKILL_STATE_HARD_BLOCKED;
+ }
+
+ return 0;
+}
+
+static int sony_nc_rfkill_set(void *data, enum rfkill_state state)
+{
+ int result;
+ int argument = sony_rfkill_address[(long) data] + 0x100;
+
+ if (state == RFKILL_STATE_UNBLOCKED)
+ argument |= 0xff0000;
+
+ return sony_call_snc_handle(0x124, argument, &result);
+}
+
+static int sony_nc_setup_wifi_rfkill(struct acpi_device *device)
+{
+ int err = 0;
+ struct rfkill *sony_wifi_rfkill;
+
+ sony_wifi_rfkill = rfkill_allocate(&device->dev, RFKILL_TYPE_WLAN);
+ if (!sony_wifi_rfkill)
+ return -1;
+ sony_wifi_rfkill->name = "sony-wifi";
+ sony_wifi_rfkill->toggle_radio = sony_nc_rfkill_set;
+ sony_wifi_rfkill->get_state = sony_nc_rfkill_get;
+ sony_wifi_rfkill->user_claim_unsupported = 1;
+ sony_wifi_rfkill->data = (void *)SONY_WIFI;
+ err = rfkill_register(sony_wifi_rfkill);
+ if (err)
+ rfkill_free(sony_wifi_rfkill);
+ else
+ sony_rfkill_devices[SONY_WIFI] = sony_wifi_rfkill;
+ return err;
+}
+
+static int sony_nc_setup_bluetooth_rfkill(struct acpi_device *device)
+{
+ int err = 0;
+ struct rfkill *sony_bluetooth_rfkill;
+
+ sony_bluetooth_rfkill = rfkill_allocate(&device->dev,
+ RFKILL_TYPE_BLUETOOTH);
+ if (!sony_bluetooth_rfkill)
+ return -1;
+ sony_bluetooth_rfkill->name = "sony-bluetooth";
+ sony_bluetooth_rfkill->toggle_radio = sony_nc_rfkill_set;
+ sony_bluetooth_rfkill->get_state = sony_nc_rfkill_get;
+ sony_bluetooth_rfkill->user_claim_unsupported = 1;
+ sony_bluetooth_rfkill->data = (void *)SONY_BLUETOOTH;
+ err = rfkill_register(sony_bluetooth_rfkill);
+ if (err)
+ rfkill_free(sony_bluetooth_rfkill);
+ else
+ sony_rfkill_devices[SONY_BLUETOOTH] = sony_bluetooth_rfkill;
+ return err;
+}
+
+static int sony_nc_setup_wwan_rfkill(struct acpi_device *device)
+{
+ int err = 0;
+ struct rfkill *sony_wwan_rfkill;
+
+ sony_wwan_rfkill = rfkill_allocate(&device->dev, RFKILL_TYPE_WWAN);
+ if (!sony_wwan_rfkill)
+ return -1;
+ sony_wwan_rfkill->name = "sony-wwan";
+ sony_wwan_rfkill->toggle_radio = sony_nc_rfkill_set;
+ sony_wwan_rfkill->get_state = sony_nc_rfkill_get;
+ sony_wwan_rfkill->user_claim_unsupported = 1;
+ sony_wwan_rfkill->data = (void *)SONY_WWAN;
+ err = rfkill_register(sony_wwan_rfkill);
+ if (err)
+ rfkill_free(sony_wwan_rfkill);
+ else
+ sony_rfkill_devices[SONY_WWAN] = sony_wwan_rfkill;
+ return err;
+}
+
+static int sony_nc_setup_wimax_rfkill(struct acpi_device *device)
+{
+ int err = 0;
+ struct rfkill *sony_wimax_rfkill;
+
+ sony_wimax_rfkill = rfkill_allocate(&device->dev, RFKILL_TYPE_WIMAX);
+ if (!sony_wimax_rfkill)
+ return -1;
+ sony_wimax_rfkill->name = "sony-wimax";
+ sony_wimax_rfkill->toggle_radio = sony_nc_rfkill_set;
+ sony_wimax_rfkill->get_state = sony_nc_rfkill_get;
+ sony_wimax_rfkill->user_claim_unsupported = 1;
+ sony_wimax_rfkill->data = (void *)SONY_WIMAX;
+ err = rfkill_register(sony_wimax_rfkill);
+ if (err)
+ rfkill_free(sony_wimax_rfkill);
+ else
+ sony_rfkill_devices[SONY_WIMAX] = sony_wimax_rfkill;
+ return err;
+}
+
+static void sony_nc_rfkill_update()
+{
+ int i;
+ enum rfkill_state state;
+
+ for (i = 0; i < SONY_RFKILL_MAX; i++) {
+ if (sony_rfkill_devices[i]) {
+ sony_rfkill_devices[i]->
+ get_state(sony_rfkill_devices[i]->data,
+ &state);
+ rfkill_force_state(sony_rfkill_devices[i], state);
+ }
+ }
+}
+
+static int sony_nc_rfkill_setup(struct acpi_device *device)
+{
+ int result, ret;
+
+ if (sony_find_snc_handle(0x124) == -1)
+ return -1;
+
+ ret = sony_call_snc_handle(0x124, 0xb00, &result);
+ if (ret) {
+ printk(KERN_INFO DRV_PFX
+ "Unable to enumerate rfkill devices: %x\n", ret);
+ return ret;
+ }
+
+ if (result & 0x1)
+ sony_nc_setup_wifi_rfkill(device);
+ if (result & 0x2)
+ sony_nc_setup_bluetooth_rfkill(device);
+ if (result & 0x1c)
+ sony_nc_setup_wwan_rfkill(device);
+ if (result & 0x20)
+ sony_nc_setup_wimax_rfkill(device);
return 0;
}
dprintk("_INI Method failed\n");
}
+ if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
+ &handle))) {
+ if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
+ dprintk("ECON Method failed\n");
+ }
+
+ if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
+ &handle))) {
+ dprintk("Doing SNC setup\n");
+ sony_nc_function_setup(device);
+ sony_nc_rfkill_setup(device);
+ }
+
/* setup input devices and helper fifo */
result = sony_laptop_setup_input(device);
if (result) {
printk(KERN_ERR DRV_PFX
- "Unabe to create input devices.\n");
+ "Unable to create input devices.\n");
goto outwalk;
}
}
- /* initialize models with specific requirements */
- dmi_check_system(sony_nc_ids);
-
result = sony_pf_add();
if (result)
goto outbacklight;
sony_laptop_remove_input();
outwalk:
+ sony_nc_rfkill_cleanup();
return result;
}
sony_pf_remove();
sony_laptop_remove_input();
+ sony_nc_rfkill_cleanup();
dprintk(SONY_NC_DRIVER_NAME " removed.\n");
return 0;
#define SONYPI_TYPE1_OFFSET 0x04
#define SONYPI_TYPE2_OFFSET 0x12
#define SONYPI_TYPE3_OFFSET 0x12
-#define SONYPI_TYPE4_OFFSET 0x12
struct sony_pic_ioport {
struct acpi_resource_io io1;
{ 0x01, SONYPI_EVENT_PKEY_P1 },
{ 0x02, SONYPI_EVENT_PKEY_P2 },
{ 0x04, SONYPI_EVENT_PKEY_P3 },
+ { 0x20, SONYPI_EVENT_PKEY_P1 },
{ 0, 0 }
};
{ 0x39, SONYPI_EVENT_ZOOM_PRESSED },
{ 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
{ 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
+ { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
{ 0, 0 }
};
{ 0, 0 }
};
+/* The set of possible volume events */
+static struct sonypi_event sonypi_volumeev[] = {
+ { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
+ { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
+ { 0, 0 }
+};
+
+/* The set of possible brightness events */
+static struct sonypi_event sonypi_brightnessev[] = {
+ { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
+ { 0, 0 }
+};
+
static struct sonypi_eventtypes type1_events[] = {
{ 0, 0xffffffff, sonypi_releaseev },
{ 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
{ 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
{ 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
{ 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
- { 0 },
-};
-static struct sonypi_eventtypes type4_events[] = {
- { 0, 0xffffffff, sonypi_releaseev },
- { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
- { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
- { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
- { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
{ 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
{ 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
{ 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
+ { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
+ { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
{ 0 },
};
/*
* minidrivers for SPIC models
*/
-static int type4_handle_irq(const u8 data_mask, const u8 ev)
+static int type3_handle_irq(const u8 data_mask, const u8 ev)
{
/*
* 0x31 could mean we have to take some extra action and wait for
- * the next irq for some Type4 models, it will generate a new
+ * the next irq for some Type3 models, it will generate a new
* irq and we can read new data from the device:
* - 0x5c and 0x5f requires 0xA0
* - 0x61 requires 0xB3
},
{
.model = SONYPI_DEVICE_TYPE3,
- .handle_irq = NULL,
+ .handle_irq = type3_handle_irq,
.evport_offset = SONYPI_TYPE3_OFFSET,
.event_types = type3_events,
},
- {
- .model = SONYPI_DEVICE_TYPE4,
- .handle_irq = type4_handle_irq,
- .evport_offset = SONYPI_TYPE4_OFFSET,
- .event_types = type4_events,
- },
};
static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
if (pcidev) {
- dev->control = &spic_types[3];
+ dev->control = &spic_types[2];
goto out;
}
pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
if (pcidev) {
- dev->control = &spic_types[3];
+ dev->control = &spic_types[2];
+ goto out;
+ }
+
+ pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
+ PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
+ if (pcidev) {
+ dev->control = &spic_types[2];
goto out;
}
printk(KERN_INFO DRV_PFX "detected Type%d model\n",
dev->control->model == SONYPI_DEVICE_TYPE1 ? 1 :
- dev->control->model == SONYPI_DEVICE_TYPE2 ? 2 :
- dev->control->model == SONYPI_DEVICE_TYPE3 ? 3 : 4);
+ dev->control->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
}
/* camera tests and poweron/poweroff */
EXPORT_SYMBOL(sony_pic_camera_command);
/* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
-static void sony_pic_set_wwanpower(u8 state)
+static void __sony_pic_set_wwanpower(u8 state)
{
state = !!state;
- mutex_lock(&spic_dev.lock);
- if (spic_dev.wwan_power == state) {
- mutex_unlock(&spic_dev.lock);
+ if (spic_dev.wwan_power == state)
return;
- }
sony_pic_call2(0xB0, state);
+ sony_pic_call1(0x82);
spic_dev.wwan_power = state;
- mutex_unlock(&spic_dev.lock);
}
static ssize_t sony_pic_wwanpower_store(struct device *dev,
return -EINVAL;
value = simple_strtoul(buffer, NULL, 10);
- sony_pic_set_wwanpower(value);
+ mutex_lock(&spic_dev.lock);
+ __sony_pic_set_wwanpower(value);
+ mutex_unlock(&spic_dev.lock);
return count;
}
static int sonypi_misc_fasync(int fd, struct file *filp, int on)
{
- int retval;
-
- retval = fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
- if (retval < 0)
- return retval;
- return 0;
+ return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
}
static int sonypi_misc_release(struct inode *inode, struct file *file)
static int sonypi_misc_open(struct inode *inode, struct file *file)
{
/* Flush input queue on first open */
- lock_kernel();
+ unsigned long flags;
+
+ spin_lock_irqsave(sonypi_compat.fifo->lock, flags);
+
if (atomic_inc_return(&sonypi_compat.open_count) == 1)
- kfifo_reset(sonypi_compat.fifo);
- unlock_kernel();
+ __kfifo_reset(sonypi_compat.fifo);
+
+ spin_unlock_irqrestore(sonypi_compat.fifo->lock, flags);
+
return 0;
}
return 0;
}
-static int sonypi_misc_ioctl(struct inode *ip, struct file *fp,
- unsigned int cmd, unsigned long arg)
+static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
+ unsigned long arg)
{
int ret = 0;
void __user *argp = (void __user *)arg;
.open = sonypi_misc_open,
.release = sonypi_misc_release,
.fasync = sonypi_misc_fasync,
- .ioctl = sonypi_misc_ioctl,
+ .unlocked_ioctl = sonypi_misc_ioctl,
};
static struct miscdevice sonypi_misc_device = {
result = sony_pic_possible_resources(device);
if (result) {
printk(KERN_ERR DRV_PFX
- "Unabe to read possible resources.\n");
+ "Unable to read possible resources.\n");
goto err_free_resources;
}
result = sony_laptop_setup_input(device);
if (result) {
printk(KERN_ERR DRV_PFX
- "Unabe to create input devices.\n");
+ "Unable to create input devices.\n");
goto err_free_resources;
}
*
*
* Copyright (C) 2004-2005 Borislav Deianov <borislav@users.sf.net>
- * Copyright (C) 2006-2008 Henrique de Moraes Holschuh <hmh@hmh.eng.br>
+ * Copyright (C) 2006-2009 Henrique de Moraes Holschuh <hmh@hmh.eng.br>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
*/
#define TPACPI_VERSION "0.22"
-#define TPACPI_SYSFS_VERSION 0x020200
+#define TPACPI_SYSFS_VERSION 0x020300
/*
* Changelog:
#include <linux/string.h>
#include <linux/list.h>
#include <linux/mutex.h>
+#include <linux/sched.h>
#include <linux/kthread.h>
#include <linux/freezer.h>
#include <linux/delay.h>
TPACPI_RFK_UWB_SW_ID,
};
-/* Debugging */
+/* printk headers */
#define TPACPI_LOG TPACPI_FILE ": "
-#define TPACPI_ALERT KERN_ALERT TPACPI_LOG
-#define TPACPI_CRIT KERN_CRIT TPACPI_LOG
-#define TPACPI_ERR KERN_ERR TPACPI_LOG
-#define TPACPI_NOTICE KERN_NOTICE TPACPI_LOG
-#define TPACPI_INFO KERN_INFO TPACPI_LOG
-#define TPACPI_DEBUG KERN_DEBUG TPACPI_LOG
-
+#define TPACPI_EMERG KERN_EMERG TPACPI_LOG
+#define TPACPI_ALERT KERN_ALERT TPACPI_LOG
+#define TPACPI_CRIT KERN_CRIT TPACPI_LOG
+#define TPACPI_ERR KERN_ERR TPACPI_LOG
+#define TPACPI_WARN KERN_WARNING TPACPI_LOG
+#define TPACPI_NOTICE KERN_NOTICE TPACPI_LOG
+#define TPACPI_INFO KERN_INFO TPACPI_LOG
+#define TPACPI_DEBUG KERN_DEBUG TPACPI_LOG
+
+/* Debugging printk groups */
#define TPACPI_DBG_ALL 0xffff
+#define TPACPI_DBG_DISCLOSETASK 0x8000
#define TPACPI_DBG_INIT 0x0001
#define TPACPI_DBG_EXIT 0x0002
-#define dbg_printk(a_dbg_level, format, arg...) \
- do { if (dbg_level & a_dbg_level) \
- printk(TPACPI_DEBUG "%s: " format, __func__ , ## arg); \
- } while (0)
-#ifdef CONFIG_THINKPAD_ACPI_DEBUG
-#define vdbg_printk(a_dbg_level, format, arg...) \
- dbg_printk(a_dbg_level, format, ## arg)
-static const char *str_supported(int is_supported);
-#else
-#define vdbg_printk(a_dbg_level, format, arg...)
-#endif
+#define TPACPI_DBG_RFKILL 0x0004
+#define TPACPI_DBG_HKEY 0x0008
+#define TPACPI_DBG_FAN 0x0010
+#define TPACPI_DBG_BRGHT 0x0020
#define onoff(status, bit) ((status) & (1 << (bit)) ? "on" : "off")
#define enabled(status, bit) ((status) & (1 << (bit)) ? "enabled" : "disabled")
static struct {
u16 hotkey_mask_ff:1;
- u16 bright_cmos_ec_unsync:1;
} tp_warned;
struct thinkpad_id_data {
#endif
+/*************************************************************************
+ * Debugging helpers
+ */
+
+#define dbg_printk(a_dbg_level, format, arg...) \
+ do { if (dbg_level & (a_dbg_level)) \
+ printk(TPACPI_DEBUG "%s: " format, __func__ , ## arg); \
+ } while (0)
+
+#ifdef CONFIG_THINKPAD_ACPI_DEBUG
+#define vdbg_printk dbg_printk
+static const char *str_supported(int is_supported);
+#else
+#define vdbg_printk(a_dbg_level, format, arg...) \
+ do { } while (0)
+#endif
+
+static void tpacpi_log_usertask(const char * const what)
+{
+ printk(TPACPI_DEBUG "%s: access by process with PID %d\n",
+ what, task_tgid_vnr(current));
+}
+
+#define tpacpi_disclose_usertask(what, format, arg...) \
+ do { \
+ if (unlikely( \
+ (dbg_level & TPACPI_DBG_DISCLOSETASK) && \
+ (tpacpi_lifecycle == TPACPI_LIFE_RUNNING))) { \
+ printk(TPACPI_DEBUG "%s: PID %d: " format, \
+ what, task_tgid_vnr(current), ## arg); \
+ } \
+ } while (0)
+
/****************************************************************************
****************************************************************************
*
/* try to set the initial state as the default for the rfkill
* type, since we ask the firmware to preserve it across S5 in
* NVRAM */
- rfkill_set_default(rfktype,
+ if (rfkill_set_default(rfktype,
(initial_state == RFKILL_STATE_UNBLOCKED) ?
RFKILL_STATE_UNBLOCKED :
- RFKILL_STATE_SOFT_BLOCKED);
+ RFKILL_STATE_SOFT_BLOCKED) == -EPERM)
+ vdbg_printk(TPACPI_DBG_RFKILL,
+ "Default state for %s cannot be changed\n",
+ name);
}
*rfk = rfkill_allocate(&tpacpi_pdev->dev, rfktype);
return 0;
}
+static void printk_deprecated_attribute(const char * const what,
+ const char * const details)
+{
+ tpacpi_log_usertask("deprecated sysfs attribute");
+ printk(TPACPI_WARN "WARNING: sysfs attribute %s is deprecated and "
+ "will be removed. %s\n",
+ what, details);
+}
+
+static void printk_deprecated_rfkill_attribute(const char * const what)
+{
+ printk_deprecated_attribute(what,
+ "Please switch to generic rfkill before year 2010");
+}
+
/*************************************************************************
* thinkpad-acpi driver attributes
*/
static int hotkey_autosleep_ack;
-static int hotkey_orig_status;
static u32 hotkey_orig_mask;
static u32 hotkey_all_mask;
static u32 hotkey_reserved_mask;
return 0;
}
-static int hotkey_status_set(int status)
+static int hotkey_status_set(bool enable)
{
- if (!acpi_evalf(hkey_handle, NULL, "MHKC", "vd", status))
+ if (!acpi_evalf(hkey_handle, NULL, "MHKC", "vd", enable ? 1 : 0))
return -EIO;
return 0;
{
int res, status;
+ printk_deprecated_attribute("hotkey_enable",
+ "Hotkey reporting is always enabled");
+
res = hotkey_status_get(&status);
if (res)
return res;
const char *buf, size_t count)
{
unsigned long t;
- int res;
+
+ printk_deprecated_attribute("hotkey_enable",
+ "Hotkeys can be disabled through hotkey_mask");
if (parse_strtoul(buf, 1, &t))
return -EINVAL;
- res = hotkey_status_set(t);
+ if (t == 0)
+ return -EPERM;
- return (res) ? res : count;
+ return count;
}
static struct device_attribute dev_attr_hotkey_enable =
mutex_unlock(&hotkey_mutex);
+ tpacpi_disclose_usertask("hotkey_mask", "set to 0x%08lx\n", t);
+
return (res) ? res : count;
}
struct device_attribute *attr,
char *buf)
{
- return snprintf(buf, PAGE_SIZE, "%d\n", hotkey_orig_status);
+ return sprintf(buf, "0\n");
}
static struct device_attribute dev_attr_hotkey_bios_enabled =
mutex_unlock(&hotkey_mutex);
+ tpacpi_disclose_usertask("hotkey_source_mask", "set to 0x%08lx\n", t);
+
return count;
}
hotkey_poll_setup(1);
mutex_unlock(&hotkey_mutex);
+ tpacpi_disclose_usertask("hotkey_poll_freq", "set to %lu\n", t);
+
return count;
}
kfree(hotkey_keycode_map);
if (tp_features.hotkey) {
- dbg_printk(TPACPI_DBG_EXIT,
+ dbg_printk(TPACPI_DBG_EXIT | TPACPI_DBG_HKEY,
"restoring original hot key mask\n");
/* no short-circuit boolean operator below! */
if ((hotkey_mask_set(hotkey_orig_mask) |
- hotkey_status_set(hotkey_orig_status)) != 0)
+ hotkey_status_set(false)) != 0)
printk(TPACPI_ERR
"failed to restore hot key mask "
"to BIOS defaults\n");
int status;
int hkeyv;
- vdbg_printk(TPACPI_DBG_INIT, "initializing hotkey subdriver\n");
+ vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_HKEY,
+ "initializing hotkey subdriver\n");
BUG_ON(!tpacpi_inputdev);
BUG_ON(tpacpi_inputdev->open != NULL ||
/* hotkey not supported on 570 */
tp_features.hotkey = hkey_handle != NULL;
- vdbg_printk(TPACPI_DBG_INIT, "hotkeys are %s\n",
+ vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_HKEY,
+ "hotkeys are %s\n",
str_supported(tp_features.hotkey));
if (!tp_features.hotkey)
* T4x, X31, and later
*/
tp_features.hotkey_mask = 1;
+ vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_HKEY,
+ "firmware HKEY interface version: 0x%x\n",
+ hkeyv);
}
}
- vdbg_printk(TPACPI_DBG_INIT, "hotkey masks are %s\n",
+ vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_HKEY,
+ "hotkey masks are %s\n",
str_supported(tp_features.hotkey_mask));
if (tp_features.hotkey_mask) {
/* hotkey_source_mask *must* be zero for
* the first hotkey_mask_get */
- res = hotkey_status_get(&hotkey_orig_status);
- if (res)
- goto err_exit;
-
if (tp_features.hotkey_mask) {
res = hotkey_mask_get();
if (res)
hotkey_source_mask = TPACPI_HKEY_NVRAM_GOOD_MASK;
}
- vdbg_printk(TPACPI_DBG_INIT,
+ vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_HKEY,
"hotkey source mask 0x%08x, polling freq %d\n",
hotkey_source_mask, hotkey_poll_freq);
#endif
}
if (thinkpad_id.vendor == PCI_VENDOR_ID_LENOVO) {
- dbg_printk(TPACPI_DBG_INIT,
+ dbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_HKEY,
"using Lenovo default hot key map\n");
memcpy(hotkey_keycode_map, &lenovo_keycode_map,
TPACPI_HOTKEY_MAP_SIZE);
} else {
- dbg_printk(TPACPI_DBG_INIT,
+ dbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_HKEY,
"using IBM default hot key map\n");
memcpy(hotkey_keycode_map, &ibm_keycode_map,
TPACPI_HOTKEY_MAP_SIZE);
| (1 << TP_ACPI_HOTKEYSCAN_FNEND);
}
- dbg_printk(TPACPI_DBG_INIT, "enabling hot key handling\n");
- res = hotkey_status_set(1);
+ dbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_HKEY,
+ "enabling firmware HKEY event interface...\n");
+ res = hotkey_status_set(true);
if (res) {
hotkey_exit();
return res;
return res;
}
- dbg_printk(TPACPI_DBG_INIT,
- "legacy hot key reporting over procfs %s\n",
+ dbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_HKEY,
+ "legacy ibm/hotkey event reporting over procfs %s\n",
(hotkey_report_mode < 2) ?
"enabled" : "disabled");
return len;
}
+static void hotkey_enabledisable_warn(void)
+{
+ tpacpi_log_usertask("procfs hotkey enable/disable");
+ WARN(1, TPACPI_WARN
+ "hotkey enable/disable functionality has been "
+ "removed from the driver. Hotkeys are always enabled.\n");
+}
+
static int hotkey_write(char *buf)
{
- int res, status;
+ int res;
u32 mask;
char *cmd;
if (mutex_lock_killable(&hotkey_mutex))
return -ERESTARTSYS;
- status = -1;
mask = hotkey_mask;
res = 0;
while ((cmd = next_cmd(&buf))) {
if (strlencmp(cmd, "enable") == 0) {
- status = 1;
+ hotkey_enabledisable_warn();
} else if (strlencmp(cmd, "disable") == 0) {
- status = 0;
+ hotkey_enabledisable_warn();
+ res = -EPERM;
} else if (strlencmp(cmd, "reset") == 0) {
- status = hotkey_orig_status;
mask = hotkey_orig_mask;
} else if (sscanf(cmd, "0x%x", &mask) == 1) {
/* mask set */
goto errexit;
}
}
- if (status != -1)
- res = hotkey_status_set(status);
+
+ if (!res)
+ tpacpi_disclose_usertask("procfs hotkey",
+ "set mask to 0x%08x\n", mask);
if (!res && mask != hotkey_mask)
res = hotkey_mask_set(mask);
TP_ACPI_BLTH_SAVE_STATE = 0x05, /* Save state for S4/S5 */
};
+#define TPACPI_RFK_BLUETOOTH_SW_NAME "tpacpi_bluetooth_sw"
+
static struct rfkill *tpacpi_bluetooth_rfkill;
static void bluetooth_suspend(pm_message_t state)
{
/* Try to make sure radio will resume powered off */
- acpi_evalf(NULL, NULL, "\\BLTH", "vd",
- TP_ACPI_BLTH_PWR_OFF_ON_RESUME);
+ if (!acpi_evalf(NULL, NULL, "\\BLTH", "vd",
+ TP_ACPI_BLTH_PWR_OFF_ON_RESUME))
+ vdbg_printk(TPACPI_DBG_RFKILL,
+ "bluetooth power down on resume request failed\n");
}
static int bluetooth_get_radiosw(void)
if (status < 0)
return;
rfkill_force_state(tpacpi_bluetooth_rfkill, status);
+
+ vdbg_printk(TPACPI_DBG_RFKILL,
+ "forced rfkill state to %d\n",
+ status);
}
static int bluetooth_set_radiosw(int radio_on, int update_rfk)
&& radio_on)
return -EPERM;
+ vdbg_printk(TPACPI_DBG_RFKILL,
+ "will %s bluetooth\n", radio_on ? "enable" : "disable");
+
#ifdef CONFIG_THINKPAD_ACPI_DEBUGFACILITIES
if (dbg_bluetoothemul) {
tpacpi_bluetooth_emulstate = !!radio_on;
{
int status;
+ printk_deprecated_rfkill_attribute("bluetooth_enable");
+
status = bluetooth_get_radiosw();
if (status < 0)
return status;
unsigned long t;
int res;
+ printk_deprecated_rfkill_attribute("bluetooth_enable");
+
if (parse_strtoul(buf, 1, &t))
return -EINVAL;
+ tpacpi_disclose_usertask("bluetooth_enable", "set to %ld\n", t);
+
res = bluetooth_set_radiosw(t, 1);
return (res) ? res : count;
static int tpacpi_bluetooth_rfk_set(void *data, enum rfkill_state state)
{
+ dbg_printk(TPACPI_DBG_RFKILL,
+ "request to change radio state to %d\n", state);
return bluetooth_set_radiosw((state == RFKILL_STATE_UNBLOCKED), 0);
}
TP_ACPI_BLTH_SAVE_STATE))
printk(TPACPI_NOTICE
"failed to save bluetooth state to NVRAM\n");
+ else
+ vdbg_printk(TPACPI_DBG_RFKILL,
+ "bluestooth state saved to NVRAM\n");
}
static void bluetooth_exit(void)
int res;
int status = 0;
- vdbg_printk(TPACPI_DBG_INIT, "initializing bluetooth subdriver\n");
+ vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_RFKILL,
+ "initializing bluetooth subdriver\n");
TPACPI_ACPIHANDLE_INIT(hkey);
tp_features.bluetooth = hkey_handle &&
acpi_evalf(hkey_handle, &status, "GBDC", "qd");
- vdbg_printk(TPACPI_DBG_INIT, "bluetooth is %s, status 0x%02x\n",
+ vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_RFKILL,
+ "bluetooth is %s, status 0x%02x\n",
str_supported(tp_features.bluetooth),
status);
!(status & TP_ACPI_BLUETOOTH_HWPRESENT)) {
/* no bluetooth hardware present in system */
tp_features.bluetooth = 0;
- dbg_printk(TPACPI_DBG_INIT,
+ dbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_RFKILL,
"bluetooth hardware not installed\n");
}
res = tpacpi_new_rfkill(TPACPI_RFK_BLUETOOTH_SW_ID,
&tpacpi_bluetooth_rfkill,
RFKILL_TYPE_BLUETOOTH,
- "tpacpi_bluetooth_sw",
+ TPACPI_RFK_BLUETOOTH_SW_NAME,
true,
tpacpi_bluetooth_rfk_set,
tpacpi_bluetooth_rfk_get);
static int bluetooth_write(char *buf)
{
char *cmd;
+ int state = -1;
if (!tp_features.bluetooth)
return -ENODEV;
while ((cmd = next_cmd(&buf))) {
if (strlencmp(cmd, "enable") == 0) {
- bluetooth_set_radiosw(1, 1);
+ state = 1;
} else if (strlencmp(cmd, "disable") == 0) {
- bluetooth_set_radiosw(0, 1);
+ state = 0;
} else
return -EINVAL;
}
+ if (state != -1) {
+ tpacpi_disclose_usertask("procfs bluetooth",
+ "attempt to %s\n",
+ state ? "enable" : "disable");
+ bluetooth_set_radiosw(state, 1);
+ }
+
return 0;
}
off / last state */
};
+#define TPACPI_RFK_WWAN_SW_NAME "tpacpi_wwan_sw"
+
static struct rfkill *tpacpi_wan_rfkill;
static void wan_suspend(pm_message_t state)
{
/* Try to make sure radio will resume powered off */
- acpi_evalf(NULL, NULL, "\\WGSV", "qvd",
- TP_ACPI_WGSV_PWR_OFF_ON_RESUME);
+ if (!acpi_evalf(NULL, NULL, "\\WGSV", "qvd",
+ TP_ACPI_WGSV_PWR_OFF_ON_RESUME))
+ vdbg_printk(TPACPI_DBG_RFKILL,
+ "WWAN power down on resume request failed\n");
}
static int wan_get_radiosw(void)
if (status < 0)
return;
rfkill_force_state(tpacpi_wan_rfkill, status);
+
+ vdbg_printk(TPACPI_DBG_RFKILL,
+ "forced rfkill state to %d\n",
+ status);
}
static int wan_set_radiosw(int radio_on, int update_rfk)
&& radio_on)
return -EPERM;
+ vdbg_printk(TPACPI_DBG_RFKILL,
+ "will %s WWAN\n", radio_on ? "enable" : "disable");
+
#ifdef CONFIG_THINKPAD_ACPI_DEBUGFACILITIES
if (dbg_wwanemul) {
tpacpi_wwan_emulstate = !!radio_on;
{
int status;
+ printk_deprecated_rfkill_attribute("wwan_enable");
+
status = wan_get_radiosw();
if (status < 0)
return status;
unsigned long t;
int res;
+ printk_deprecated_rfkill_attribute("wwan_enable");
+
if (parse_strtoul(buf, 1, &t))
return -EINVAL;
+ tpacpi_disclose_usertask("wwan_enable", "set to %ld\n", t);
+
res = wan_set_radiosw(t, 1);
return (res) ? res : count;
static int tpacpi_wan_rfk_set(void *data, enum rfkill_state state)
{
+ dbg_printk(TPACPI_DBG_RFKILL,
+ "request to change radio state to %d\n", state);
return wan_set_radiosw((state == RFKILL_STATE_UNBLOCKED), 0);
}
TP_ACPI_WGSV_SAVE_STATE))
printk(TPACPI_NOTICE
"failed to save WWAN state to NVRAM\n");
+ else
+ vdbg_printk(TPACPI_DBG_RFKILL,
+ "WWAN state saved to NVRAM\n");
}
static void wan_exit(void)
int res;
int status = 0;
- vdbg_printk(TPACPI_DBG_INIT, "initializing wan subdriver\n");
+ vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_RFKILL,
+ "initializing wan subdriver\n");
TPACPI_ACPIHANDLE_INIT(hkey);
tp_features.wan = hkey_handle &&
acpi_evalf(hkey_handle, &status, "GWAN", "qd");
- vdbg_printk(TPACPI_DBG_INIT, "wan is %s, status 0x%02x\n",
+ vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_RFKILL,
+ "wan is %s, status 0x%02x\n",
str_supported(tp_features.wan),
status);
!(status & TP_ACPI_WANCARD_HWPRESENT)) {
/* no wan hardware present in system */
tp_features.wan = 0;
- dbg_printk(TPACPI_DBG_INIT,
+ dbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_RFKILL,
"wan hardware not installed\n");
}
res = tpacpi_new_rfkill(TPACPI_RFK_WWAN_SW_ID,
&tpacpi_wan_rfkill,
RFKILL_TYPE_WWAN,
- "tpacpi_wwan_sw",
+ TPACPI_RFK_WWAN_SW_NAME,
true,
tpacpi_wan_rfk_set,
tpacpi_wan_rfk_get);
int len = 0;
int status = wan_get_radiosw();
+ tpacpi_disclose_usertask("procfs wan", "read");
+
if (!tp_features.wan)
len += sprintf(p + len, "status:\t\tnot supported\n");
else {
static int wan_write(char *buf)
{
char *cmd;
+ int state = -1;
if (!tp_features.wan)
return -ENODEV;
while ((cmd = next_cmd(&buf))) {
if (strlencmp(cmd, "enable") == 0) {
- wan_set_radiosw(1, 1);
+ state = 1;
} else if (strlencmp(cmd, "disable") == 0) {
- wan_set_radiosw(0, 1);
+ state = 0;
} else
return -EINVAL;
}
+ if (state != -1) {
+ tpacpi_disclose_usertask("procfs wan",
+ "attempt to %s\n",
+ state ? "enable" : "disable");
+ wan_set_radiosw(state, 1);
+ }
+
return 0;
}
TP_ACPI_UWB_RADIOSSW = 0x02, /* UWB radio enabled */
};
+#define TPACPI_RFK_UWB_SW_NAME "tpacpi_uwb_sw"
+
static struct rfkill *tpacpi_uwb_rfkill;
static int uwb_get_radiosw(void)
if (status < 0)
return;
rfkill_force_state(tpacpi_uwb_rfkill, status);
+
+ vdbg_printk(TPACPI_DBG_RFKILL,
+ "forced rfkill state to %d\n",
+ status);
}
static int uwb_set_radiosw(int radio_on, int update_rfk)
&& radio_on)
return -EPERM;
+ vdbg_printk(TPACPI_DBG_RFKILL,
+ "will %s UWB\n", radio_on ? "enable" : "disable");
+
#ifdef CONFIG_THINKPAD_ACPI_DEBUGFACILITIES
if (dbg_uwbemul) {
tpacpi_uwb_emulstate = !!radio_on;
static int tpacpi_uwb_rfk_set(void *data, enum rfkill_state state)
{
+ dbg_printk(TPACPI_DBG_RFKILL,
+ "request to change radio state to %d\n", state);
return uwb_set_radiosw((state == RFKILL_STATE_UNBLOCKED), 0);
}
int res;
int status = 0;
- vdbg_printk(TPACPI_DBG_INIT, "initializing uwb subdriver\n");
+ vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_RFKILL,
+ "initializing uwb subdriver\n");
TPACPI_ACPIHANDLE_INIT(hkey);
tp_features.uwb = hkey_handle &&
acpi_evalf(hkey_handle, &status, "GUWB", "qd");
- vdbg_printk(TPACPI_DBG_INIT, "uwb is %s, status 0x%02x\n",
+ vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_RFKILL,
+ "uwb is %s, status 0x%02x\n",
str_supported(tp_features.uwb),
status);
res = tpacpi_new_rfkill(TPACPI_RFK_UWB_SW_ID,
&tpacpi_uwb_rfkill,
RFKILL_TYPE_UWB,
- "tpacpi_uwb_sw",
+ TPACPI_RFK_UWB_SW_NAME,
false,
tpacpi_uwb_rfk_set,
tpacpi_uwb_rfk_get);
"tpacpi::unknown_led",
"tpacpi::standby",
};
+#define TPACPI_SAFE_LEDS 0x0081U
+
+static inline bool tpacpi_is_led_restricted(const unsigned int led)
+{
+#ifdef CONFIG_THINKPAD_ACPI_UNSAFE_LEDS
+ return false;
+#else
+ return (TPACPI_SAFE_LEDS & (1 << led)) == 0;
+#endif
+}
static int led_get_status(const unsigned int led)
{
switch (led_supported) {
case TPACPI_LED_570:
/* 570 */
- if (led > 7)
+ if (unlikely(led > 7))
return -EINVAL;
+ if (unlikely(tpacpi_is_led_restricted(led)))
+ return -EPERM;
if (!acpi_evalf(led_handle, NULL, NULL, "vdd",
(1 << led), led_sled_arg1[ledstatus]))
rc = -EIO;
break;
case TPACPI_LED_OLD:
/* 600e/x, 770e, 770x, A21e, A2xm/p, T20-22, X20 */
- if (led > 7)
+ if (unlikely(led > 7))
return -EINVAL;
+ if (unlikely(tpacpi_is_led_restricted(led)))
+ return -EPERM;
rc = ec_write(TPACPI_LED_EC_HLMS, (1 << led));
if (rc >= 0)
rc = ec_write(TPACPI_LED_EC_HLBL,
break;
case TPACPI_LED_NEW:
/* all others */
+ if (unlikely(led >= TPACPI_LED_NUMLEDS))
+ return -EINVAL;
+ if (unlikely(tpacpi_is_led_restricted(led)))
+ return -EPERM;
if (!acpi_evalf(led_handle, NULL, NULL, "vdd",
led, led_led_arg1[ledstatus]))
rc = -EIO;
kfree(tpacpi_leds);
}
+static int __init tpacpi_init_led(unsigned int led)
+{
+ int rc;
+
+ tpacpi_leds[led].led = led;
+
+ tpacpi_leds[led].led_classdev.brightness_set = &led_sysfs_set;
+ tpacpi_leds[led].led_classdev.blink_set = &led_sysfs_blink_set;
+ if (led_supported == TPACPI_LED_570)
+ tpacpi_leds[led].led_classdev.brightness_get =
+ &led_sysfs_get;
+
+ tpacpi_leds[led].led_classdev.name = tpacpi_led_names[led];
+
+ INIT_WORK(&tpacpi_leds[led].work, led_set_status_worker);
+
+ rc = led_classdev_register(&tpacpi_pdev->dev,
+ &tpacpi_leds[led].led_classdev);
+ if (rc < 0)
+ tpacpi_leds[led].led_classdev.name = NULL;
+
+ return rc;
+}
+
static int __init led_init(struct ibm_init_struct *iibm)
{
unsigned int i;
}
for (i = 0; i < TPACPI_LED_NUMLEDS; i++) {
- tpacpi_leds[i].led = i;
-
- tpacpi_leds[i].led_classdev.brightness_set = &led_sysfs_set;
- tpacpi_leds[i].led_classdev.blink_set = &led_sysfs_blink_set;
- if (led_supported == TPACPI_LED_570)
- tpacpi_leds[i].led_classdev.brightness_get =
- &led_sysfs_get;
-
- tpacpi_leds[i].led_classdev.name = tpacpi_led_names[i];
-
- INIT_WORK(&tpacpi_leds[i].work, led_set_status_worker);
-
- rc = led_classdev_register(&tpacpi_pdev->dev,
- &tpacpi_leds[i].led_classdev);
- if (rc < 0) {
- tpacpi_leds[i].led_classdev.name = NULL;
- led_exit();
- return rc;
+ if (!tpacpi_is_led_restricted(i)) {
+ rc = tpacpi_init_led(i);
+ if (rc < 0) {
+ led_exit();
+ return rc;
+ }
}
}
+#ifdef CONFIG_THINKPAD_ACPI_UNSAFE_LEDS
+ if (led_supported != TPACPI_LED_NONE)
+ printk(TPACPI_NOTICE
+ "warning: userspace override of important "
+ "firmware LEDs is enabled\n");
+#endif
return (led_supported != TPACPI_LED_NONE)? 0 : 1;
}
#define TPACPI_BACKLIGHT_DEV_NAME "thinkpad_screen"
+/*
+ * ThinkPads can read brightness from two places: EC HBRV (0x31), or
+ * CMOS NVRAM byte 0x5E, bits 0-3.
+ *
+ * EC HBRV (0x31) has the following layout
+ * Bit 7: unknown function
+ * Bit 6: unknown function
+ * Bit 5: Z: honour scale changes, NZ: ignore scale changes
+ * Bit 4: must be set to zero to avoid problems
+ * Bit 3-0: backlight brightness level
+ *
+ * brightness_get_raw returns status data in the HBRV layout
+ */
+
enum {
TP_EC_BACKLIGHT = 0x31,
TP_EC_BACKLIGHT_MAPSW = 0x20,
};
+enum tpacpi_brightness_access_mode {
+ TPACPI_BRGHT_MODE_AUTO = 0, /* Not implemented yet */
+ TPACPI_BRGHT_MODE_EC, /* EC control */
+ TPACPI_BRGHT_MODE_UCMS_STEP, /* UCMS step-based control */
+ TPACPI_BRGHT_MODE_ECNVRAM, /* EC control w/ NVRAM store */
+ TPACPI_BRGHT_MODE_MAX
+};
+
static struct backlight_device *ibm_backlight_device;
-static int brightness_mode;
+
+static enum tpacpi_brightness_access_mode brightness_mode =
+ TPACPI_BRGHT_MODE_MAX;
+
static unsigned int brightness_enable = 2; /* 2 = auto, 0 = no, 1 = yes */
static struct mutex brightness_mutex;
-/*
- * ThinkPads can read brightness from two places: EC 0x31, or
- * CMOS NVRAM byte 0x5E, bits 0-3.
- *
- * EC 0x31 has the following layout
- * Bit 7: unknown function
- * Bit 6: unknown function
- * Bit 5: Z: honour scale changes, NZ: ignore scale changes
- * Bit 4: must be set to zero to avoid problems
- * Bit 3-0: backlight brightness level
- *
- * brightness_get_raw returns status data in the EC 0x31 layout
- */
-static int brightness_get_raw(int *status)
+/* NVRAM brightness access,
+ * call with brightness_mutex held! */
+static unsigned int tpacpi_brightness_nvram_get(void)
{
- u8 lec = 0, lcmos = 0, level = 0;
+ u8 lnvram;
- if (brightness_mode & 1) {
- if (!acpi_ec_read(TP_EC_BACKLIGHT, &lec))
- return -EIO;
- level = lec & TP_EC_BACKLIGHT_LVLMSK;
- };
- if (brightness_mode & 2) {
- lcmos = (nvram_read_byte(TP_NVRAM_ADDR_BRIGHTNESS)
- & TP_NVRAM_MASK_LEVEL_BRIGHTNESS)
- >> TP_NVRAM_POS_LEVEL_BRIGHTNESS;
- lcmos &= (tp_features.bright_16levels)? 0x0f : 0x07;
- level = lcmos;
- }
-
- if (brightness_mode == 3) {
- *status = lec; /* Prefer EC, CMOS is just a backing store */
- lec &= TP_EC_BACKLIGHT_LVLMSK;
- if (lec == lcmos)
- tp_warned.bright_cmos_ec_unsync = 0;
- else {
- if (!tp_warned.bright_cmos_ec_unsync) {
- printk(TPACPI_ERR
- "CMOS NVRAM (%u) and EC (%u) do not "
- "agree on display brightness level\n",
- (unsigned int) lcmos,
- (unsigned int) lec);
- tp_warned.bright_cmos_ec_unsync = 1;
- }
+ lnvram = (nvram_read_byte(TP_NVRAM_ADDR_BRIGHTNESS)
+ & TP_NVRAM_MASK_LEVEL_BRIGHTNESS)
+ >> TP_NVRAM_POS_LEVEL_BRIGHTNESS;
+ lnvram &= (tp_features.bright_16levels) ? 0x0f : 0x07;
+
+ return lnvram;
+}
+
+static void tpacpi_brightness_checkpoint_nvram(void)
+{
+ u8 lec = 0;
+ u8 b_nvram;
+
+ if (brightness_mode != TPACPI_BRGHT_MODE_ECNVRAM)
+ return;
+
+ vdbg_printk(TPACPI_DBG_BRGHT,
+ "trying to checkpoint backlight level to NVRAM...\n");
+
+ if (mutex_lock_killable(&brightness_mutex) < 0)
+ return;
+
+ if (unlikely(!acpi_ec_read(TP_EC_BACKLIGHT, &lec)))
+ goto unlock;
+ lec &= TP_EC_BACKLIGHT_LVLMSK;
+ b_nvram = nvram_read_byte(TP_NVRAM_ADDR_BRIGHTNESS);
+
+ if (lec != ((b_nvram & TP_NVRAM_MASK_LEVEL_BRIGHTNESS)
+ >> TP_NVRAM_POS_LEVEL_BRIGHTNESS)) {
+ /* NVRAM needs update */
+ b_nvram &= ~(TP_NVRAM_MASK_LEVEL_BRIGHTNESS <<
+ TP_NVRAM_POS_LEVEL_BRIGHTNESS);
+ b_nvram |= lec;
+ nvram_write_byte(b_nvram, TP_NVRAM_ADDR_BRIGHTNESS);
+ dbg_printk(TPACPI_DBG_BRGHT,
+ "updated NVRAM backlight level to %u (0x%02x)\n",
+ (unsigned int) lec, (unsigned int) b_nvram);
+ } else
+ vdbg_printk(TPACPI_DBG_BRGHT,
+ "NVRAM backlight level already is %u (0x%02x)\n",
+ (unsigned int) lec, (unsigned int) b_nvram);
+
+unlock:
+ mutex_unlock(&brightness_mutex);
+}
+
+
+/* call with brightness_mutex held! */
+static int tpacpi_brightness_get_raw(int *status)
+{
+ u8 lec = 0;
+
+ switch (brightness_mode) {
+ case TPACPI_BRGHT_MODE_UCMS_STEP:
+ *status = tpacpi_brightness_nvram_get();
+ return 0;
+ case TPACPI_BRGHT_MODE_EC:
+ case TPACPI_BRGHT_MODE_ECNVRAM:
+ if (unlikely(!acpi_ec_read(TP_EC_BACKLIGHT, &lec)))
return -EIO;
- }
- } else {
- *status = level;
+ *status = lec;
+ return 0;
+ default:
+ return -ENXIO;
}
+}
+
+/* call with brightness_mutex held! */
+/* do NOT call with illegal backlight level value */
+static int tpacpi_brightness_set_ec(unsigned int value)
+{
+ u8 lec = 0;
+
+ if (unlikely(!acpi_ec_read(TP_EC_BACKLIGHT, &lec)))
+ return -EIO;
+
+ if (unlikely(!acpi_ec_write(TP_EC_BACKLIGHT,
+ (lec & TP_EC_BACKLIGHT_CMDMSK) |
+ (value & TP_EC_BACKLIGHT_LVLMSK))))
+ return -EIO;
+
+ return 0;
+}
+
+/* call with brightness_mutex held! */
+static int tpacpi_brightness_set_ucmsstep(unsigned int value)
+{
+ int cmos_cmd, inc;
+ unsigned int current_value, i;
+
+ current_value = tpacpi_brightness_nvram_get();
+
+ if (value == current_value)
+ return 0;
+
+ cmos_cmd = (value > current_value) ?
+ TP_CMOS_BRIGHTNESS_UP :
+ TP_CMOS_BRIGHTNESS_DOWN;
+ inc = (value > current_value) ? 1 : -1;
+
+ for (i = current_value; i != value; i += inc)
+ if (issue_thinkpad_cmos_command(cmos_cmd))
+ return -EIO;
return 0;
}
/* May return EINTR which can always be mapped to ERESTARTSYS */
-static int brightness_set(int value)
+static int brightness_set(unsigned int value)
{
- int cmos_cmd, inc, i, res;
- int current_value;
- int command_bits;
+ int res;
if (value > ((tp_features.bright_16levels)? 15 : 7) ||
value < 0)
return -EINVAL;
+ vdbg_printk(TPACPI_DBG_BRGHT,
+ "set backlight level to %d\n", value);
+
res = mutex_lock_killable(&brightness_mutex);
if (res < 0)
return res;
- res = brightness_get_raw(¤t_value);
- if (res < 0)
- goto errout;
-
- command_bits = current_value & TP_EC_BACKLIGHT_CMDMSK;
- current_value &= TP_EC_BACKLIGHT_LVLMSK;
-
- cmos_cmd = value > current_value ?
- TP_CMOS_BRIGHTNESS_UP :
- TP_CMOS_BRIGHTNESS_DOWN;
- inc = (value > current_value)? 1 : -1;
-
- res = 0;
- for (i = current_value; i != value; i += inc) {
- if ((brightness_mode & 2) &&
- issue_thinkpad_cmos_command(cmos_cmd)) {
- res = -EIO;
- goto errout;
- }
- if ((brightness_mode & 1) &&
- !acpi_ec_write(TP_EC_BACKLIGHT,
- (i + inc) | command_bits)) {
- res = -EIO;
- goto errout;;
- }
+ switch (brightness_mode) {
+ case TPACPI_BRGHT_MODE_EC:
+ case TPACPI_BRGHT_MODE_ECNVRAM:
+ res = tpacpi_brightness_set_ec(value);
+ break;
+ case TPACPI_BRGHT_MODE_UCMS_STEP:
+ res = tpacpi_brightness_set_ucmsstep(value);
+ break;
+ default:
+ res = -ENXIO;
}
-errout:
mutex_unlock(&brightness_mutex);
return res;
}
static int brightness_update_status(struct backlight_device *bd)
{
- /* it is the backlight class's job (caller) to handle
- * EINTR and other errors properly */
- return brightness_set(
+ unsigned int level =
(bd->props.fb_blank == FB_BLANK_UNBLANK &&
bd->props.power == FB_BLANK_UNBLANK) ?
- bd->props.brightness : 0);
+ bd->props.brightness : 0;
+
+ dbg_printk(TPACPI_DBG_BRGHT,
+ "backlight: attempt to set level to %d\n",
+ level);
+
+ /* it is the backlight class's job (caller) to handle
+ * EINTR and other errors properly */
+ return brightness_set(level);
}
static int brightness_get(struct backlight_device *bd)
{
int status, res;
- res = brightness_get_raw(&status);
+ res = mutex_lock_killable(&brightness_mutex);
if (res < 0)
- return 0; /* FIXME: teach backlight about error handling */
+ return 0;
+
+ res = tpacpi_brightness_get_raw(&status);
+
+ mutex_unlock(&brightness_mutex);
+
+ if (res < 0)
+ return 0;
return status & TP_EC_BACKLIGHT_LVLMSK;
}
}
if (!brightness_enable) {
- dbg_printk(TPACPI_DBG_INIT,
+ dbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_BRGHT,
"brightness support disabled by "
"module parameter\n");
return 1;
if (b == 16)
tp_features.bright_16levels = 1;
- if (!brightness_mode) {
- if (thinkpad_id.vendor == PCI_VENDOR_ID_LENOVO)
- brightness_mode = 2;
- else
- brightness_mode = 3;
+ /*
+ * Check for module parameter bogosity, note that we
+ * init brightness_mode to TPACPI_BRGHT_MODE_MAX in order to be
+ * able to detect "unspecified"
+ */
+ if (brightness_mode > TPACPI_BRGHT_MODE_MAX)
+ return -EINVAL;
- dbg_printk(TPACPI_DBG_INIT, "selected brightness_mode=%d\n",
- brightness_mode);
- }
+ /* TPACPI_BRGHT_MODE_AUTO not implemented yet, just use default */
+ if (brightness_mode == TPACPI_BRGHT_MODE_AUTO ||
+ brightness_mode == TPACPI_BRGHT_MODE_MAX) {
+ if (thinkpad_id.vendor == PCI_VENDOR_ID_IBM) {
+ /*
+ * IBM models that define HBRV probably have
+ * EC-based backlight level control
+ */
+ if (acpi_evalf(ec_handle, NULL, "HBRV", "qd"))
+ /* T40-T43, R50-R52, R50e, R51e, X31-X41 */
+ brightness_mode = TPACPI_BRGHT_MODE_ECNVRAM;
+ else
+ /* all other IBM ThinkPads */
+ brightness_mode = TPACPI_BRGHT_MODE_UCMS_STEP;
+ } else
+ /* All Lenovo ThinkPads */
+ brightness_mode = TPACPI_BRGHT_MODE_UCMS_STEP;
- if (brightness_mode > 3)
- return -EINVAL;
+ dbg_printk(TPACPI_DBG_BRGHT,
+ "selected brightness_mode=%d\n",
+ brightness_mode);
+ }
- if (brightness_get_raw(&b) < 0)
+ if (tpacpi_brightness_get_raw(&b) < 0)
return 1;
if (tp_features.bright_16levels)
printk(TPACPI_ERR "Could not register backlight device\n");
return PTR_ERR(ibm_backlight_device);
}
- vdbg_printk(TPACPI_DBG_INIT, "brightness is supported\n");
+ vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_BRGHT,
+ "brightness is supported\n");
ibm_backlight_device->props.max_brightness =
(tp_features.bright_16levels)? 15 : 7;
return 0;
}
+static void brightness_suspend(pm_message_t state)
+{
+ tpacpi_brightness_checkpoint_nvram();
+}
+
+static void brightness_shutdown(void)
+{
+ tpacpi_brightness_checkpoint_nvram();
+}
+
static void brightness_exit(void)
{
if (ibm_backlight_device) {
- vdbg_printk(TPACPI_DBG_EXIT,
+ vdbg_printk(TPACPI_DBG_EXIT | TPACPI_DBG_BRGHT,
"calling backlight_device_unregister()\n");
backlight_device_unregister(ibm_backlight_device);
}
+
+ tpacpi_brightness_checkpoint_nvram();
}
static int brightness_read(char *p)
return -EINVAL;
}
+ tpacpi_disclose_usertask("procfs brightness",
+ "set level to %d\n", level);
+
/*
* Now we know what the final level should be, so we try to set it.
* Doing it this way makes the syscall restartable in case of EINTR
.read = brightness_read,
.write = brightness_write,
.exit = brightness_exit,
+ .suspend = brightness_suspend,
+ .shutdown = brightness_shutdown,
};
/*************************************************************************
* ThinkPads from this same time period (and earlier) probably lack the
* tachometer as well.
*
- * Unfortunately a lot of ThinkPads with new-style ECs but whose firwmare
+ * Unfortunately a lot of ThinkPads with new-style ECs but whose firmware
* was never fixed by IBM to report the EC firmware version string
* probably support the tachometer (like the early X models), so
* detecting it is quite hard. We need more data to know for sure.
default:
return -ENXIO;
}
+
+ vdbg_printk(TPACPI_DBG_FAN,
+ "fan control: set fan control register to 0x%02x\n", level);
return 0;
}
}
mutex_unlock(&fan_mutex);
+
+ if (!rc)
+ vdbg_printk(TPACPI_DBG_FAN,
+ "fan control: set fan control register to 0x%02x\n",
+ s);
return rc;
}
rc = -ENXIO;
}
+ if (!rc)
+ vdbg_printk(TPACPI_DBG_FAN,
+ "fan control: set fan control register to 0\n");
mutex_unlock(&fan_mutex);
return rc;
if (parse_strtoul(buf, 2, &t))
return -EINVAL;
+ tpacpi_disclose_usertask("hwmon pwm1_enable",
+ "set fan mode to %lu\n", t);
+
switch (t) {
case 0:
level = TP_EC_FAN_FULLSPEED;
if (parse_strtoul(buf, 255, &s))
return -EINVAL;
+ tpacpi_disclose_usertask("hwmon pwm1",
+ "set fan speed to %lu\n", s);
+
/* scale down from 0-255 to 0-7 */
newlevel = (s >> 5) & 0x07;
fan_watchdog_maxinterval = t;
fan_watchdog_reset();
+ tpacpi_disclose_usertask("fan_watchdog", "set to %lu\n", t);
+
return count;
}
{
int rc;
- vdbg_printk(TPACPI_DBG_INIT, "initializing fan subdriver\n");
+ vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_FAN,
+ "initializing fan subdriver\n");
mutex_init(&fan_mutex);
fan_status_access_mode = TPACPI_FAN_NONE;
}
}
- vdbg_printk(TPACPI_DBG_INIT, "fan is %s, modes %d, %d\n",
+ vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_FAN,
+ "fan is %s, modes %d, %d\n",
str_supported(fan_status_access_mode != TPACPI_FAN_NONE ||
fan_control_access_mode != TPACPI_FAN_WR_NONE),
fan_status_access_mode, fan_control_access_mode);
if (!fan_control_allowed) {
fan_control_access_mode = TPACPI_FAN_WR_NONE;
fan_control_commands = 0;
- dbg_printk(TPACPI_DBG_INIT,
+ dbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_FAN,
"fan control features disabled by parameter\n");
}
static void fan_exit(void)
{
- vdbg_printk(TPACPI_DBG_EXIT,
+ vdbg_printk(TPACPI_DBG_EXIT | TPACPI_DBG_FAN,
"cancelling any pending fan watchdog tasks\n");
/* FIXME: can we really do this unconditionally? */
if (*rc == -ENXIO)
printk(TPACPI_ERR "level command accepted for unsupported "
"access mode %d", fan_control_access_mode);
+ else if (!*rc)
+ tpacpi_disclose_usertask("procfs fan",
+ "set level to %d\n", level);
return 1;
}
if (*rc == -ENXIO)
printk(TPACPI_ERR "enable command accepted for unsupported "
"access mode %d", fan_control_access_mode);
+ else if (!*rc)
+ tpacpi_disclose_usertask("procfs fan", "enable\n");
return 1;
}
if (*rc == -ENXIO)
printk(TPACPI_ERR "disable command accepted for unsupported "
"access mode %d", fan_control_access_mode);
+ else if (!*rc)
+ tpacpi_disclose_usertask("procfs fan", "disable\n");
return 1;
}
if (*rc == -ENXIO)
printk(TPACPI_ERR "speed command accepted for unsupported "
"access mode %d", fan_control_access_mode);
+ else if (!*rc)
+ tpacpi_disclose_usertask("procfs fan",
+ "set speed to %d\n", speed);
return 1;
}
if (interval < 0 || interval > 120)
*rc = -EINVAL;
- else
+ else {
fan_watchdog_maxinterval = interval;
+ tpacpi_disclose_usertask("procfs fan",
+ "set watchdog timer to %d\n",
+ interval);
+ }
return 1;
}
ret = -ENODEV;
goto err_out;
}
- entry->owner = THIS_MODULE;
entry->data = ibm;
entry->read_proc = &dispatch_procfs_read;
if (ibm->write)
MODULE_PARM_DESC(fan_control,
"Enables setting fan parameters features when true");
-module_param_named(brightness_mode, brightness_mode, int, 0);
+module_param_named(brightness_mode, brightness_mode, uint, 0);
MODULE_PARM_DESC(brightness_mode,
"Selects brightness control strategy: "
- "0=auto, 1=EC, 2=CMOS, 3=both");
+ "0=auto, 1=EC, 2=UCMS, 3=EC+NVRAM");
module_param(brightness_enable, uint, 0);
MODULE_PARM_DESC(brightness_enable,
thinkpad_acpi_module_exit();
return -ENODEV;
}
- proc_dir->owner = THIS_MODULE;
ret = platform_driver_register(&tpacpi_pdriver);
if (ret) {
return 0;
}
-/* Please remove this in year 2009 */
-MODULE_ALIAS("ibm_acpi");
-
MODULE_ALIAS(TPACPI_DRVR_SHORTNAME);
/*
acpi_size length);
void acpi_os_unmap_memory(void __iomem * logical_address, acpi_size size);
+ void early_acpi_os_unmap_memory(void __iomem * virt, acpi_size size);
#ifdef ACPI_FUTURE_USAGE
acpi_status
acpi_status acpi_os_validate_interface(char *interface);
acpi_status acpi_osi_invalidate(char* interface);
-acpi_status
-acpi_os_validate_address(u8 space_id, acpi_physical_address address,
- acpi_size length, char *name);
-
u64 acpi_os_get_timer(void);
acpi_status acpi_os_signal(u32 function, void *info);
/* Current ACPICA subsystem version in YYYYMMDD format */
-#define ACPI_CA_VERSION 0x20081204
+#define ACPI_CA_VERSION 0x20090320
#include "actypes.h"
#include "actbl.h"
struct acpi_table_header *out_table_header);
acpi_status
+ acpi_get_table_with_size(acpi_string signature,
+ u32 instance, struct acpi_table_header **out_table,
+ acpi_size *tbl_size);
+ acpi_status
acpi_get_table(acpi_string signature,
u32 instance, struct acpi_table_header **out_table);
*/
acpi_status acpi_reset(void);
-acpi_status acpi_get_register(u32 register_id, u32 * return_value);
+acpi_status acpi_read_bit_register(u32 register_id, u32 *return_value);
-acpi_status acpi_get_register_unlocked(u32 register_id, u32 *return_value);
+acpi_status acpi_write_bit_register(u32 register_id, u32 value);
-acpi_status acpi_set_register(u32 register_id, u32 value);
+acpi_status acpi_set_firmware_waking_vector(u32 physical_address);
-acpi_status
-acpi_set_firmware_waking_vector(u32 physical_address);
-
-acpi_status
-acpi_set_firmware_waking_vector64(u64 physical_address);
+#if ACPI_MACHINE_WIDTH == 64
+acpi_status acpi_set_firmware_waking_vector64(u64 physical_address);
+#endif
acpi_status acpi_read(u32 *value, struct acpi_generic_address *reg);
typedef int (*acpi_table_entry_handler) (struct acpi_subtable_header *header, const unsigned long end);
char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
+ void __acpi_unmap_table(char *map, unsigned long size);
int early_acpi_boot_init(void);
int acpi_boot_init (void);
int acpi_boot_table_init (void);
/* the following four functions are architecture-dependent */
void acpi_numa_slit_init (struct acpi_table_slit *slit);
void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
+void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
void acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
void acpi_numa_arch_fixup(void);
void __init acpi_old_suspend_ordering(void);
void __init acpi_s4_no_nvs(void);
#endif /* CONFIG_PM_SLEEP */
+
+ #define OSC_QUERY_TYPE 0
+ #define OSC_SUPPORT_TYPE 1
+ #define OSC_CONTROL_TYPE 2
+ #define OSC_SUPPORT_MASKS 0x1f
+
+ /* _OSC DW0 Definition */
+ #define OSC_QUERY_ENABLE 1
+ #define OSC_REQUEST_ERROR 2
+ #define OSC_INVALID_UUID_ERROR 4
+ #define OSC_INVALID_REVISION_ERROR 8
+ #define OSC_CAPABILITIES_MASK_ERROR 16
+
+ /* _OSC DW1 Definition (OS Support Fields) */
+ #define OSC_EXT_PCI_CONFIG_SUPPORT 1
+ #define OSC_ACTIVE_STATE_PWR_SUPPORT 2
+ #define OSC_CLOCK_PWR_CAPABILITY_SUPPORT 4
+ #define OSC_PCI_SEGMENT_GROUPS_SUPPORT 8
+ #define OSC_MSI_SUPPORT 16
+
+ /* _OSC DW1 Definition (OS Control Fields) */
+ #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 1
+ #define OSC_SHPC_NATIVE_HP_CONTROL 2
+ #define OSC_PCI_EXPRESS_PME_CONTROL 4
+ #define OSC_PCI_EXPRESS_AER_CONTROL 8
+ #define OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL 16
+
+ #define OSC_CONTROL_MASKS (OSC_PCI_EXPRESS_NATIVE_HP_CONTROL | \
+ OSC_SHPC_NATIVE_HP_CONTROL | \
+ OSC_PCI_EXPRESS_PME_CONTROL | \
+ OSC_PCI_EXPRESS_AER_CONTROL | \
+ OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL)
+
+ extern acpi_status acpi_pci_osc_control_set(acpi_handle handle, u32 flags);
#else /* CONFIG_ACPI */
static inline int early_acpi_boot_init(void)
git.samba.org / sfrench / cifs-2.6.git / commitdiff