diff options
| author | Len Brown <len.brown@intel.com> | 2007-07-22 10:28:18 +0400 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2007-07-22 10:28:18 +0400 |
| commit | dcb76f88683618ed6ef0df66643dba1285881ee5 (patch) | |
| tree | c43b6162c6d5cd7afeaa5ee44a5eed1e30b23adc /include/acpi | |
| parent | 08e31686d6d119ba26bf0690f5f872f6f5bd1a97 (diff) | |
| parent | 6c5cf8aa5849819958311644ffaf8467e9fcf07e (diff) | |
| download | linux-dcb76f88683618ed6ef0df66643dba1285881ee5.tar.xz | |
Pull throttle into release branch
Diffstat (limited to 'include/acpi')
| -rw-r--r-- | include/acpi/processor.h | 47 |
1 files changed, 44 insertions, 3 deletions
diff --git a/include/acpi/processor.h b/include/acpi/processor.h index b4b0ffdab098..f9f987f8e661 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 */ |