diff options
Diffstat (limited to 'include/acpi/processor.h')
-rw-r--r-- | include/acpi/processor.h | 238 |
1 files changed, 122 insertions, 116 deletions
diff --git a/include/acpi/processor.h b/include/acpi/processor.h index 50cfea4ff6ca..7a00d5089de9 100644 --- a/include/acpi/processor.h +++ b/include/acpi/processor.h @@ -23,45 +23,44 @@ struct acpi_processor_cx; struct acpi_power_register { - u8 descriptor; - u16 length; - u8 space_id; - u8 bit_width; - u8 bit_offset; - u8 reserved; - u64 address; + u8 descriptor; + u16 length; + u8 space_id; + u8 bit_width; + u8 bit_offset; + u8 reserved; + u64 address; } __attribute__ ((packed)); - struct acpi_processor_cx_policy { - u32 count; + u32 count; struct acpi_processor_cx *state; struct { - u32 time; - u32 ticks; - u32 count; - u32 bm; - } threshold; + u32 time; + u32 ticks; + u32 count; + u32 bm; + } threshold; }; struct acpi_processor_cx { - u8 valid; - u8 type; - u32 address; - u32 latency; - u32 latency_ticks; - u32 power; - u32 usage; + u8 valid; + u8 type; + u32 address; + u32 latency; + u32 latency_ticks; + u32 power; + u32 usage; struct acpi_processor_cx_policy promotion; struct acpi_processor_cx_policy demotion; }; struct acpi_processor_power { struct acpi_processor_cx *state; - unsigned long bm_check_timestamp; - u32 default_state; - u32 bm_activity; - int count; + unsigned long bm_check_timestamp; + u32 default_state; + u32 bm_activity; + int count; struct acpi_processor_cx states[ACPI_PROCESSOR_MAX_POWER]; /* the _PDC objects passed by the driver, if any */ @@ -71,85 +70,82 @@ struct acpi_processor_power { /* Performance Management */ struct acpi_pct_register { - u8 descriptor; - u16 length; - u8 space_id; - u8 bit_width; - u8 bit_offset; - u8 reserved; - u64 address; + u8 descriptor; + u16 length; + u8 space_id; + u8 bit_width; + u8 bit_offset; + u8 reserved; + u64 address; } __attribute__ ((packed)); struct acpi_processor_px { - acpi_integer core_frequency; /* megahertz */ - acpi_integer power; /* milliWatts */ - acpi_integer transition_latency; /* microseconds */ - acpi_integer bus_master_latency; /* microseconds */ - acpi_integer control; /* control value */ - acpi_integer status; /* success indicator */ + acpi_integer core_frequency; /* megahertz */ + acpi_integer power; /* milliWatts */ + acpi_integer transition_latency; /* microseconds */ + acpi_integer bus_master_latency; /* microseconds */ + acpi_integer control; /* control value */ + acpi_integer status; /* success indicator */ }; struct acpi_processor_performance { - unsigned int state; - unsigned int platform_limit; + unsigned int state; + unsigned int platform_limit; struct acpi_pct_register control_register; struct acpi_pct_register status_register; - unsigned int state_count; + unsigned int state_count; struct acpi_processor_px *states; /* the _PDC objects passed by the driver, if any */ struct acpi_object_list *pdc; }; - - /* Throttling Control */ struct acpi_processor_tx { - u16 power; - u16 performance; + u16 power; + u16 performance; }; struct acpi_processor_throttling { - int state; - u32 address; - u8 duty_offset; - u8 duty_width; - int state_count; + int state; + u32 address; + u8 duty_offset; + u8 duty_width; + int state_count; struct acpi_processor_tx states[ACPI_PROCESSOR_MAX_THROTTLING]; }; /* Limit Interface */ struct acpi_processor_lx { - int px; /* performace state */ - int tx; /* throttle level */ + int px; /* performace state */ + int tx; /* throttle level */ }; struct acpi_processor_limit { - struct acpi_processor_lx state; /* current limit */ + struct acpi_processor_lx state; /* current limit */ struct acpi_processor_lx thermal; /* thermal limit */ - struct acpi_processor_lx user; /* user limit */ + struct acpi_processor_lx user; /* user limit */ }; - struct acpi_processor_flags { - u8 power:1; - u8 performance:1; - u8 throttling:1; - u8 limit:1; - u8 bm_control:1; - u8 bm_check:1; - u8 has_cst:1; - u8 power_setup_done:1; + u8 power:1; + u8 performance:1; + u8 throttling:1; + u8 limit:1; + u8 bm_control:1; + u8 bm_check:1; + u8 has_cst:1; + u8 power_setup_done:1; }; struct acpi_processor { - acpi_handle handle; - u32 acpi_id; - u32 id; - u32 pblk; - int performance_platform_limit; + acpi_handle handle; + u32 acpi_id; + u32 id; + u32 pblk; + int performance_platform_limit; struct acpi_processor_flags flags; struct acpi_processor_power power; struct acpi_processor_performance *performance; @@ -158,50 +154,49 @@ struct acpi_processor { }; struct acpi_processor_errata { - u8 smp; + u8 smp; struct { - u8 throttle:1; - u8 fdma:1; - u8 reserved:6; - u32 bmisx; - } piix4; + u8 throttle:1; + u8 fdma:1; + u8 reserved:6; + u32 bmisx; + } piix4; }; -extern int acpi_processor_register_performance ( - struct acpi_processor_performance * performance, - unsigned int cpu); -extern void acpi_processor_unregister_performance ( - struct acpi_processor_performance * performance, - unsigned int cpu); +extern int acpi_processor_register_performance(struct acpi_processor_performance + *performance, unsigned int cpu); +extern void acpi_processor_unregister_performance(struct + acpi_processor_performance + *performance, + unsigned int cpu); /* note: this locks both the calling module and the processor module if a _PPC object exists, rmmod is disallowed then */ int acpi_processor_notify_smm(struct module *calling_module); - - /* for communication between multiple parts of the processor kernel module */ -extern struct acpi_processor *processors[NR_CPUS]; +extern struct acpi_processor *processors[NR_CPUS]; extern struct acpi_processor_errata errata; int acpi_processor_set_pdc(struct acpi_processor *pr, - struct acpi_object_list *pdc_in); + struct acpi_object_list *pdc_in); #ifdef ARCH_HAS_POWER_PDC_INIT void acpi_processor_power_init_pdc(struct acpi_processor_power *pow, - unsigned int cpu); + unsigned int cpu); void acpi_processor_power_init_bm_check(struct acpi_processor_flags *flags, - unsigned int cpu); + unsigned int cpu); #else -static inline void acpi_processor_power_init_pdc( - struct acpi_processor_power *pow, unsigned int cpu) +static inline void acpi_processor_power_init_pdc(struct acpi_processor_power + *pow, unsigned int cpu) { pow->pdc = NULL; return; } -static inline void acpi_processor_power_init_bm_check( - struct acpi_processor_flags *flags, unsigned int cpu) +static inline void acpi_processor_power_init_bm_check(struct + acpi_processor_flags + *flags, unsigned int cpu) { flags->bm_check = 1; return; @@ -215,51 +210,62 @@ void acpi_processor_ppc_init(void); void acpi_processor_ppc_exit(void); int acpi_processor_ppc_has_changed(struct acpi_processor *pr); #else -static inline void acpi_processor_ppc_init(void) { return; } -static inline void acpi_processor_ppc_exit(void) { return; } -static inline int acpi_processor_ppc_has_changed(struct acpi_processor *pr) { +static inline void acpi_processor_ppc_init(void) +{ + return; +} +static inline void acpi_processor_ppc_exit(void) +{ + return; +} +static inline int acpi_processor_ppc_has_changed(struct acpi_processor *pr) +{ static unsigned int printout = 1; if (printout) { - printk(KERN_WARNING "Warning: Processor Platform Limit event detected, but not handled.\n"); - printk(KERN_WARNING "Consider compiling CPUfreq support into your kernel.\n"); + printk(KERN_WARNING + "Warning: Processor Platform Limit event detected, but not handled.\n"); + printk(KERN_WARNING + "Consider compiling CPUfreq support into your kernel.\n"); printout = 0; } return 0; } -#endif /* CONFIG_CPU_FREQ */ +#endif /* CONFIG_CPU_FREQ */ /* 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); -ssize_t acpi_processor_write_throttling ( - struct file *file, - const char __user *buffer, - size_t count, - loff_t *data); +int acpi_processor_get_throttling_info(struct acpi_processor *pr); +int acpi_processor_set_throttling(struct acpi_processor *pr, int state); +ssize_t acpi_processor_write_throttling(struct file *file, + const char __user * buffer, + size_t count, loff_t * data); extern struct file_operations acpi_processor_throttling_fops; /* in processor_idle.c */ -int acpi_processor_power_init(struct acpi_processor *pr, struct acpi_device *device); -int acpi_processor_cst_has_changed (struct acpi_processor *pr); -int acpi_processor_power_exit(struct acpi_processor *pr, struct acpi_device *device); - +int acpi_processor_power_init(struct acpi_processor *pr, + struct acpi_device *device); +int acpi_processor_cst_has_changed(struct acpi_processor *pr); +int acpi_processor_power_exit(struct acpi_processor *pr, + struct acpi_device *device); /* in processor_thermal.c */ -int acpi_processor_get_limit_info (struct acpi_processor *pr); -ssize_t acpi_processor_write_limit ( - struct file *file, - const char __user *buffer, - size_t count, - loff_t *data); +int acpi_processor_get_limit_info(struct acpi_processor *pr); +ssize_t acpi_processor_write_limit(struct file *file, + const char __user * buffer, + size_t count, loff_t * data); extern struct file_operations acpi_processor_limit_fops; #ifdef CONFIG_CPU_FREQ void acpi_thermal_cpufreq_init(void); void acpi_thermal_cpufreq_exit(void); #else -static inline void acpi_thermal_cpufreq_init(void) { return; } -static inline void acpi_thermal_cpufreq_exit(void) { return; } +static inline void acpi_thermal_cpufreq_init(void) +{ + return; +} +static inline void acpi_thermal_cpufreq_exit(void) +{ + return; +} #endif - #endif |