diff options
Diffstat (limited to 'include/acpi/cppc_acpi.h')
| -rw-r--r-- | include/acpi/cppc_acpi.h | 67 |
1 files changed, 58 insertions, 9 deletions
diff --git a/include/acpi/cppc_acpi.h b/include/acpi/cppc_acpi.h index 62d368bcd9ec..d1f02ceec4f9 100644 --- a/include/acpi/cppc_acpi.h +++ b/include/acpi/cppc_acpi.h @@ -32,6 +32,21 @@ #define CMD_READ 0 #define CMD_WRITE 1 +#define CPPC_AUTO_ACT_WINDOW_SIG_BIT_SIZE (7) +#define CPPC_AUTO_ACT_WINDOW_EXP_BIT_SIZE (3) +#define CPPC_AUTO_ACT_WINDOW_MAX_SIG ((1 << CPPC_AUTO_ACT_WINDOW_SIG_BIT_SIZE) - 1) +#define CPPC_AUTO_ACT_WINDOW_MAX_EXP ((1 << CPPC_AUTO_ACT_WINDOW_EXP_BIT_SIZE) - 1) +/* CPPC_AUTO_ACT_WINDOW_MAX_SIG is 127, so 128 and 129 will decay to 127 when writing */ +#define CPPC_AUTO_ACT_WINDOW_SIG_CARRY_THRESH 129 + +#define CPPC_EPP_PERFORMANCE_PREF 0x00 +#define CPPC_EPP_ENERGY_EFFICIENCY_PREF 0xFF + +#define CPPC_PERF_LIMITED_DESIRED_EXCURSION BIT(0) +#define CPPC_PERF_LIMITED_MINIMUM_EXCURSION BIT(1) +#define CPPC_PERF_LIMITED_MASK (CPPC_PERF_LIMITED_DESIRED_EXCURSION | \ + CPPC_PERF_LIMITED_MINIMUM_EXCURSION) + /* Each register has the folowing format. */ struct cpc_reg { u8 descriptor; @@ -106,12 +121,11 @@ struct cppc_perf_caps { u32 guaranteed_perf; u32 highest_perf; u32 nominal_perf; + u32 reference_perf; u32 lowest_perf; u32 lowest_nonlinear_perf; u32 lowest_freq; u32 nominal_freq; - u32 energy_perf; - bool auto_sel; }; struct cppc_perf_ctrls { @@ -119,18 +133,17 @@ struct cppc_perf_ctrls { u32 min_perf; u32 desired_perf; u32 energy_perf; + bool auto_sel; }; struct cppc_perf_fb_ctrs { u64 reference; u64 delivered; - u64 reference_perf; u64 wraparound_time; }; /* Per CPU container for runtime CPPC management. */ struct cppc_cpudata { - struct list_head node; struct cppc_perf_caps perf_caps; struct cppc_perf_ctrls perf_ctrls; struct cppc_perf_fb_ctrs perf_fb_ctrs; @@ -143,24 +156,32 @@ extern int cppc_get_desired_perf(int cpunum, u64 *desired_perf); extern int cppc_get_nominal_perf(int cpunum, u64 *nominal_perf); extern int cppc_get_highest_perf(int cpunum, u64 *highest_perf); extern int cppc_get_perf_ctrs(int cpu, struct cppc_perf_fb_ctrs *perf_fb_ctrs); +extern int cppc_get_perf(int cpu, struct cppc_perf_ctrls *perf_ctrls); extern int cppc_set_perf(int cpu, struct cppc_perf_ctrls *perf_ctrls); extern int cppc_set_enable(int cpu, bool enable); extern int cppc_get_perf_caps(int cpu, struct cppc_perf_caps *caps); +extern bool cppc_perf_ctrs_in_pcc_cpu(unsigned int cpu); extern bool cppc_perf_ctrs_in_pcc(void); +extern u64 cppc_get_dmi_max_khz(void); extern unsigned int cppc_perf_to_khz(struct cppc_perf_caps *caps, unsigned int perf); extern unsigned int cppc_khz_to_perf(struct cppc_perf_caps *caps, unsigned int freq); extern bool acpi_cpc_valid(void); extern bool cppc_allow_fast_switch(void); extern int acpi_get_psd_map(unsigned int cpu, struct cppc_cpudata *cpu_data); -extern unsigned int cppc_get_transition_latency(int cpu); +extern int cppc_get_transition_latency(int cpu); extern bool cpc_ffh_supported(void); extern bool cpc_supported_by_cpu(void); extern int cpc_read_ffh(int cpunum, struct cpc_reg *reg, u64 *val); extern int cpc_write_ffh(int cpunum, struct cpc_reg *reg, u64 val); extern int cppc_get_epp_perf(int cpunum, u64 *epp_perf); extern int cppc_set_epp_perf(int cpu, struct cppc_perf_ctrls *perf_ctrls, bool enable); -extern int cppc_get_auto_sel_caps(int cpunum, struct cppc_perf_caps *perf_caps); +extern int cppc_set_epp(int cpu, u64 epp_val); +extern int cppc_get_auto_act_window(int cpu, u64 *auto_act_window); +extern int cppc_set_auto_act_window(int cpu, u64 auto_act_window); +extern int cppc_get_auto_sel(int cpu, bool *enable); extern int cppc_set_auto_sel(int cpu, bool enable); +extern int cppc_get_perf_limited(int cpu, u64 *perf_limited); +extern int cppc_set_perf_limited(int cpu, u64 bits_to_clear); extern int amd_get_highest_perf(unsigned int cpu, u32 *highest_perf); extern int amd_get_boost_ratio_numerator(unsigned int cpu, u64 *numerator); extern int amd_detect_prefcore(bool *detected); @@ -181,6 +202,10 @@ static inline int cppc_get_perf_ctrs(int cpu, struct cppc_perf_fb_ctrs *perf_fb_ { return -EOPNOTSUPP; } +static inline int cppc_get_perf(int cpu, struct cppc_perf_ctrls *perf_ctrls) +{ + return -EOPNOTSUPP; +} static inline int cppc_set_perf(int cpu, struct cppc_perf_ctrls *perf_ctrls) { return -EOPNOTSUPP; @@ -193,6 +218,10 @@ static inline int cppc_get_perf_caps(int cpu, struct cppc_perf_caps *caps) { return -EOPNOTSUPP; } +static inline bool cppc_perf_ctrs_in_pcc_cpu(unsigned int cpu) +{ + return false; +} static inline bool cppc_perf_ctrs_in_pcc(void) { return false; @@ -205,9 +234,9 @@ static inline bool cppc_allow_fast_switch(void) { return false; } -static inline unsigned int cppc_get_transition_latency(int cpu) +static inline int cppc_get_transition_latency(int cpu) { - return CPUFREQ_ETERNAL; + return -ENODATA; } static inline bool cpc_ffh_supported(void) { @@ -229,11 +258,31 @@ static inline int cppc_get_epp_perf(int cpunum, u64 *epp_perf) { return -EOPNOTSUPP; } +static inline int cppc_set_epp(int cpu, u64 epp_val) +{ + return -EOPNOTSUPP; +} +static inline int cppc_get_auto_act_window(int cpu, u64 *auto_act_window) +{ + return -EOPNOTSUPP; +} +static inline int cppc_set_auto_act_window(int cpu, u64 auto_act_window) +{ + return -EOPNOTSUPP; +} +static inline int cppc_get_auto_sel(int cpu, bool *enable) +{ + return -EOPNOTSUPP; +} static inline int cppc_set_auto_sel(int cpu, bool enable) { return -EOPNOTSUPP; } -static inline int cppc_get_auto_sel_caps(int cpunum, struct cppc_perf_caps *perf_caps) +static inline int cppc_get_perf_limited(int cpu, u64 *perf_limited) +{ + return -EOPNOTSUPP; +} +static inline int cppc_set_perf_limited(int cpu, u64 bits_to_clear) { return -EOPNOTSUPP; } |