source "drivers/cpufreq/Kconfig"
-config CPU_FREQ_TABLE
- tristate "CPU frequency table helpers"
- depends on CPU_FREQ
- default y
- help
- Many CPUFreq drivers use these helpers, so only say N here if
- the CPUFreq driver of your choice doesn't need these helpers.
-
- If in doubt, say Y.
+if CPU_FREQ
comment "CPUFreq processor drivers"
- depends on CPU_FREQ
config X86_ACPI_CPUFREQ
tristate "ACPI Processor P-States driver"
- depends on CPU_FREQ_TABLE && ACPI_PROCESSOR
+ select CPU_FREQ_TABLE
+ depends on ACPI_PROCESSOR
help
This driver adds a CPUFreq driver which utilizes the ACPI
Processor Performance States.
+ This driver also supports Intel Enhanced Speedstep.
For details, take a look at <file:Documentation/cpu-freq/>.
If in doubt, say N.
config ELAN_CPUFREQ
- tristate "AMD Elan"
- depends on CPU_FREQ_TABLE && X86_ELAN
+ tristate "AMD Elan SC400 and SC410"
+ select CPU_FREQ_TABLE
+ depends on X86_ELAN
---help---
This adds the CPUFreq driver for AMD Elan SC400 and SC410
processors.
If in doubt, say N.
+config SC520_CPUFREQ
+ tristate "AMD Elan SC520"
+ select CPU_FREQ_TABLE
+ depends on X86_ELAN
+ ---help---
+ This adds the CPUFreq driver for AMD Elan SC520 processor.
+
+ For details, take a look at <file:Documentation/cpu-freq/>.
+
+ If in doubt, say N.
+
+
config X86_POWERNOW_K6
tristate "AMD Mobile K6-2/K6-3 PowerNow!"
- depends on CPU_FREQ_TABLE
+ select CPU_FREQ_TABLE
help
This adds the CPUFreq driver for mobile AMD K6-2+ and mobile
AMD K6-3+ processors.
config X86_POWERNOW_K7
tristate "AMD Mobile Athlon/Duron PowerNow!"
- depends on CPU_FREQ_TABLE
+ select CPU_FREQ_TABLE
help
This adds the CPUFreq driver for mobile AMD K7 mobile processors.
config X86_POWERNOW_K7_ACPI
bool
- depends on ((X86_POWERNOW_K7 = "m" && ACPI_PROCESSOR) || (X86_POWERNOW_K7 = "y" && ACPI_PROCESSOR = "y"))
+ depends on X86_POWERNOW_K7 && ACPI_PROCESSOR
+ depends on !(X86_POWERNOW_K7 = y && ACPI_PROCESSOR = m)
default y
config X86_POWERNOW_K8
tristate "AMD Opteron/Athlon64 PowerNow!"
- depends on CPU_FREQ_TABLE && EXPERIMENTAL
+ select CPU_FREQ_TABLE
+ depends on EXPERIMENTAL
help
This adds the CPUFreq driver for mobile AMD Opteron/Athlon64 processors.
config X86_POWERNOW_K8_ACPI
bool
- depends on ((X86_POWERNOW_K8 = "m" && ACPI_PROCESSOR) || (X86_POWERNOW_K8 = "y" && ACPI_PROCESSOR = "y"))
+ depends on X86_POWERNOW_K8 && ACPI_PROCESSOR
+ depends on !(X86_POWERNOW_K8 = y && ACPI_PROCESSOR = m)
default y
config X86_GX_SUSPMOD
tristate "Cyrix MediaGX/NatSemi Geode Suspend Modulation"
- depends on CPU_FREQ
+ depends on PCI
help
This add the CPUFreq driver for NatSemi Geode processors which
support suspend modulation.
config X86_SPEEDSTEP_CENTRINO
tristate "Intel Enhanced SpeedStep"
- depends on CPU_FREQ_TABLE
+ select CPU_FREQ_TABLE
select X86_SPEEDSTEP_CENTRINO_TABLE if (!X86_SPEEDSTEP_CENTRINO_ACPI)
help
This adds the CPUFreq driver for Enhanced SpeedStep enabled
you also need to say Y to "Use ACPI tables to decode..." below
[which might imply enabling ACPI] if you want to use this driver
on non-Banias CPUs.
-
+
For details, take a look at <file:Documentation/cpu-freq/>.
-
+
If in doubt, say N.
config X86_SPEEDSTEP_CENTRINO_ACPI
- bool "Use ACPI tables to decode valid frequency/voltage pairs"
- depends on X86_SPEEDSTEP_CENTRINO
- depends on ((X86_SPEEDSTEP_CENTRINO = "m" && ACPI_PROCESSOR) || (X86_SPEEDSTEP_CENTRINO = "y" && ACPI_PROCESSOR = "y"))
+ bool "Use ACPI tables to decode valid frequency/voltage (deprecated)"
+ depends on X86_SPEEDSTEP_CENTRINO && ACPI_PROCESSOR
+ depends on !(X86_SPEEDSTEP_CENTRINO = y && ACPI_PROCESSOR = m)
default y
help
+ This is deprecated and this functionality is now merged into
+ acpi_cpufreq (X86_ACPI_CPUFREQ). Use that driver instead of
+ speedstep_centrino.
Use primarily the information provided in the BIOS ACPI tables
to determine valid CPU frequency and voltage pairings. It is
required for the driver to work on non-Banias CPUs.
config X86_SPEEDSTEP_ICH
tristate "Intel Speedstep on ICH-M chipsets (ioport interface)"
- depends on CPU_FREQ_TABLE
+ select CPU_FREQ_TABLE
help
This adds the CPUFreq driver for certain mobile Intel Pentium III
(Coppermine), all mobile Intel Pentium III-M (Tualatin) and all
- mobile Intel Pentium 4 P4-M on systems which have an Intel ICH2,
+ mobile Intel Pentium 4 P4-M on systems which have an Intel ICH2,
ICH3 or ICH4 southbridge.
For details, take a look at <file:Documentation/cpu-freq/>.
config X86_SPEEDSTEP_SMI
tristate "Intel SpeedStep on 440BX/ZX/MX chipsets (SMI interface)"
- depends on CPU_FREQ_TABLE && EXPERIMENTAL
+ select CPU_FREQ_TABLE
+ depends on EXPERIMENTAL
help
This adds the CPUFreq driver for certain mobile Intel Pentium III
- (Coppermine), all mobile Intel Pentium III-M (Tualatin)
+ (Coppermine), all mobile Intel Pentium III-M (Tualatin)
on systems which have an Intel 440BX/ZX/MX southbridge.
For details, take a look at <file:Documentation/cpu-freq/>.
config X86_P4_CLOCKMOD
tristate "Intel Pentium 4 clock modulation"
- depends on CPU_FREQ_TABLE
+ select CPU_FREQ_TABLE
help
This adds the CPUFreq driver for Intel Pentium 4 / XEON
processors.
config X86_CPUFREQ_NFORCE2
tristate "nVidia nForce2 FSB changing"
- depends on CPU_FREQ && EXPERIMENTAL
+ depends on EXPERIMENTAL
help
This adds the CPUFreq driver for FSB changing on nVidia nForce2
platforms.
config X86_LONGRUN
tristate "Transmeta LongRun"
- depends on CPU_FREQ
help
This adds the CPUFreq driver for Transmeta Crusoe and Efficeon processors
which support LongRun.
config X86_LONGHAUL
tristate "VIA Cyrix III Longhaul"
- depends on CPU_FREQ_TABLE
+ select CPU_FREQ_TABLE
+ depends on ACPI_PROCESSOR
help
- This adds the CPUFreq driver for VIA Samuel/CyrixIII,
- VIA Cyrix Samuel/C3, VIA Cyrix Ezra and VIA Cyrix Ezra-T
+ This adds the CPUFreq driver for VIA Samuel/CyrixIII,
+ VIA Cyrix Samuel/C3, VIA Cyrix Ezra and VIA Cyrix Ezra-T
processors.
For details, take a look at <file:Documentation/cpu-freq/>.
If in doubt, say N.
comment "shared options"
- depends on CPU_FREQ
config X86_ACPI_CPUFREQ_PROC_INTF
- bool "/proc/acpi/processor/../performance interface (deprecated)"
+ bool "/proc/acpi/processor/../performance interface (deprecated)"
depends on PROC_FS
depends on X86_ACPI_CPUFREQ || X86_SPEEDSTEP_CENTRINO_ACPI || X86_POWERNOW_K7_ACPI || X86_POWERNOW_K8_ACPI
help
- This enables the deprecated /proc/acpi/processor/../performance
+ This enables the deprecated /proc/acpi/processor/../performance
interface. While it is helpful for debugging, the generic,
cross-architecture cpufreq interfaces should be used.
config X86_SPEEDSTEP_LIB
tristate
- depends on (X86_SPEEDSTEP_ICH || X86_SPEEDSTEP_SMI || X86_P4_CLOCKMOD)
- default (X86_SPEEDSTEP_ICH || X86_SPEEDSTEP_SMI || X86_P4_CLOCKMOD)
+ default X86_SPEEDSTEP_ICH || X86_SPEEDSTEP_SMI || X86_P4_CLOCKMOD
config X86_SPEEDSTEP_RELAXED_CAP_CHECK
bool "Relaxed speedstep capability checks"
depends on (X86_SPEEDSTEP_SMI || X86_SPEEDSTEP_ICH)
help
- Don't perform all checks for a speedstep capable system which would
- normally be done. Some ancient or strange systems, though speedstep
- capable, don't always indicate that they are speedstep capable. This
+ Don't perform all checks for a speedstep capable system which would
+ normally be done. Some ancient or strange systems, though speedstep
+ capable, don't always indicate that they are speedstep capable. This
option lets the probing code bypass some of those checks if the
parameter "relaxed_check=1" is passed to the module.
+endif # CPU_FREQ
endmenu
git://git.onelab.eu / linux-2.6.git / blobdiff