diff options
Diffstat (limited to 'include/acpi/cppc_acpi.h')
| -rw-r--r-- | include/acpi/cppc_acpi.h | 71 |
1 files changed, 56 insertions, 15 deletions
diff --git a/include/acpi/cppc_acpi.h b/include/acpi/cppc_acpi.h index 930b6afba6f4..325e9543e08f 100644 --- a/include/acpi/cppc_acpi.h +++ b/include/acpi/cppc_acpi.h @@ -32,6 +32,15 @@ #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_ENERGY_PERF_MAX (0xFF) + /* Each register has the folowing format. */ struct cpc_reg { u8 descriptor; @@ -64,6 +73,8 @@ struct cpc_desc { int cpu_id; int write_cmd_status; int write_cmd_id; + /* Lock used for RMW operations in cpc_write() */ + raw_spinlock_t rmw_lock; struct cpc_register_resource cpc_regs[MAX_CPC_REG_ENT]; struct acpi_psd_package domain_info; struct kobject kobj; @@ -157,36 +168,42 @@ 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 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); #else /* !CONFIG_ACPI_CPPC_LIB */ static inline int cppc_get_desired_perf(int cpunum, u64 *desired_perf) { - return -ENOTSUPP; + return -EOPNOTSUPP; } static inline int cppc_get_nominal_perf(int cpunum, u64 *nominal_perf) { - return -ENOTSUPP; + return -EOPNOTSUPP; } static inline int cppc_get_highest_perf(int cpunum, u64 *highest_perf) { - return -ENOTSUPP; + return -EOPNOTSUPP; } static inline int cppc_get_perf_ctrs(int cpu, struct cppc_perf_fb_ctrs *perf_fb_ctrs) { - return -ENOTSUPP; + return -EOPNOTSUPP; } static inline int cppc_set_perf(int cpu, struct cppc_perf_ctrls *perf_ctrls) { - return -ENOTSUPP; + return -EOPNOTSUPP; } static inline int cppc_set_enable(int cpu, bool enable) { - return -ENOTSUPP; + return -EOPNOTSUPP; } static inline int cppc_get_perf_caps(int cpu, struct cppc_perf_caps *caps) { - return -ENOTSUPP; + return -EOPNOTSUPP; } static inline bool cppc_perf_ctrs_in_pcc(void) { @@ -210,27 +227,51 @@ static inline bool cpc_ffh_supported(void) } static inline int cpc_read_ffh(int cpunum, struct cpc_reg *reg, u64 *val) { - return -ENOTSUPP; + return -EOPNOTSUPP; } static inline int cpc_write_ffh(int cpunum, struct cpc_reg *reg, u64 val) { - return -ENOTSUPP; + return -EOPNOTSUPP; } static inline int cppc_set_epp_perf(int cpu, struct cppc_perf_ctrls *perf_ctrls, bool enable) { - return -ENOTSUPP; + return -EOPNOTSUPP; } static inline int cppc_get_epp_perf(int cpunum, u64 *epp_perf) { - return -ENOTSUPP; + 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 -ENOTSUPP; + return -EOPNOTSUPP; +} +static inline int amd_get_highest_perf(unsigned int cpu, u32 *highest_perf) +{ + return -ENODEV; +} +static inline int amd_get_boost_ratio_numerator(unsigned int cpu, u64 *numerator) +{ + return -EOPNOTSUPP; } -static inline int cppc_get_auto_sel_caps(int cpunum, struct cppc_perf_caps *perf_caps) +static inline int amd_detect_prefcore(bool *detected) { - return -ENOTSUPP; + return -ENODEV; } #endif /* !CONFIG_ACPI_CPPC_LIB */ |