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authorLen Brown <len.brown@intel.com>2007-07-22 02:28:18 -0400
committerLen Brown <len.brown@intel.com>2007-07-22 02:28:18 -0400
commitdcb76f88683618ed6ef0df66643dba1285881ee5 (patch)
treec43b6162c6d5cd7afeaa5ee44a5eed1e30b23adc /include/acpi
parent08e31686d6d119ba26bf0690f5f872f6f5bd1a97 (diff)
parent6c5cf8aa5849819958311644ffaf8467e9fcf07e (diff)
downloadop-kernel-dev-dcb76f88683618ed6ef0df66643dba1285881ee5.zip
op-kernel-dev-dcb76f88683618ed6ef0df66643dba1285881ee5.tar.gz
Pull throttle into release branch
Diffstat (limited to 'include/acpi')
-rw-r--r--include/acpi/processor.h47
1 files changed, 44 insertions, 3 deletions
diff --git a/include/acpi/processor.h b/include/acpi/processor.h
index b4b0ffd..f9f987f 100644
--- a/include/acpi/processor.h
+++ b/include/acpi/processor.h
@@ -21,6 +21,8 @@
#define ACPI_PSD_REV0_REVISION 0 /* Support for _PSD as in ACPI 3.0 */
#define ACPI_PSD_REV0_ENTRIES 5
+#define ACPI_TSD_REV0_REVISION 0 /* Support for _PSD as in ACPI 3.0 */
+#define ACPI_TSD_REV0_ENTRIES 5
/*
* Types of coordination defined in ACPI 3.0. Same macros can be used across
* P, C and T states
@@ -125,17 +127,53 @@ struct acpi_processor_performance {
/* Throttling Control */
+struct acpi_tsd_package {
+ acpi_integer num_entries;
+ acpi_integer revision;
+ acpi_integer domain;
+ acpi_integer coord_type;
+ acpi_integer num_processors;
+} __attribute__ ((packed));
+
+struct acpi_ptc_register {
+ u8 descriptor;
+ u16 length;
+ u8 space_id;
+ u8 bit_width;
+ u8 bit_offset;
+ u8 reserved;
+ u64 address;
+} __attribute__ ((packed));
+
+struct acpi_processor_tx_tss {
+ acpi_integer freqpercentage; /* */
+ acpi_integer power; /* milliWatts */
+ acpi_integer transition_latency; /* microseconds */
+ acpi_integer control; /* control value */
+ acpi_integer status; /* success indicator */
+};
struct acpi_processor_tx {
u16 power;
u16 performance;
};
+struct acpi_processor;
struct acpi_processor_throttling {
- int state;
+ unsigned int state;
+ unsigned int platform_limit;
+ struct acpi_pct_register control_register;
+ struct acpi_pct_register status_register;
+ unsigned int state_count;
+ struct acpi_processor_tx_tss *states_tss;
+ struct acpi_tsd_package domain_info;
+ cpumask_t shared_cpu_map;
+ int (*acpi_processor_get_throttling) (struct acpi_processor * pr);
+ int (*acpi_processor_set_throttling) (struct acpi_processor * pr,
+ int state);
+
u32 address;
u8 duty_offset;
u8 duty_width;
- int state_count;
struct acpi_processor_tx states[ACPI_PROCESSOR_MAX_THROTTLING];
};
@@ -169,6 +207,9 @@ struct acpi_processor {
u32 id;
u32 pblk;
int performance_platform_limit;
+ int throttling_platform_limit;
+ /* 0 - states 0..n-th state available */
+
struct acpi_processor_flags flags;
struct acpi_processor_power power;
struct acpi_processor_performance *performance;
@@ -270,7 +311,7 @@ static inline int acpi_processor_ppc_has_changed(struct acpi_processor *pr)
/* in processor_throttling.c */
int acpi_processor_get_throttling_info(struct acpi_processor *pr);
-int acpi_processor_set_throttling(struct acpi_processor *pr, int state);
+extern int acpi_processor_set_throttling(struct acpi_processor *pr, int state);
extern struct file_operations acpi_processor_throttling_fops;
/* in processor_idle.c */
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