diff options
Diffstat (limited to 'include/linux/pm_opp.h')
| -rw-r--r-- | include/linux/pm_opp.h | 517 |
1 files changed, 400 insertions, 117 deletions
diff --git a/include/linux/pm_opp.h b/include/linux/pm_opp.h index dbb484524f82..cf477beae4bb 100644 --- a/include/linux/pm_opp.h +++ b/include/linux/pm_opp.h @@ -11,11 +11,13 @@ #ifndef __LINUX_OPP_H__ #define __LINUX_OPP_H__ +#include <linux/cleanup.h> #include <linux/energy_model.h> #include <linux/err.h> #include <linux/notifier.h> struct clk; +struct cpufreq_frequency_table; struct regulator; struct dev_pm_opp; struct device; @@ -32,73 +34,91 @@ enum dev_pm_opp_event { * @u_volt_min: Minimum voltage in microvolts corresponding to this OPP * @u_volt_max: Maximum voltage in microvolts corresponding to this OPP * @u_amp: Maximum current drawn by the device in microamperes + * @u_watt: Power used by the device in microwatts * - * This structure stores the voltage/current values for a single power supply. + * This structure stores the voltage/current/power values for a single power + * supply. */ struct dev_pm_opp_supply { unsigned long u_volt; unsigned long u_volt_min; unsigned long u_volt_max; unsigned long u_amp; + unsigned long u_watt; }; -/** - * struct dev_pm_opp_icc_bw - Interconnect bandwidth values - * @avg: Average bandwidth corresponding to this OPP (in icc units) - * @peak: Peak bandwidth corresponding to this OPP (in icc units) - * - * This structure stores the bandwidth values for a single interconnect path. - */ -struct dev_pm_opp_icc_bw { - u32 avg; - u32 peak; -}; +typedef int (*config_regulators_t)(struct device *dev, + struct dev_pm_opp *old_opp, struct dev_pm_opp *new_opp, + struct regulator **regulators, unsigned int count); + +typedef int (*config_clks_t)(struct device *dev, struct opp_table *opp_table, + struct dev_pm_opp *opp, void *data, bool scaling_down); /** - * struct dev_pm_opp_info - OPP freq/voltage/current values - * @rate: Target clk rate in hz - * @supplies: Array of voltage/current values for all power supplies + * struct dev_pm_opp_config - Device OPP configuration values + * @clk_names: Clk names, NULL terminated array. + * @config_clks: Custom set clk helper. + * @prop_name: Name to postfix to properties. + * @config_regulators: Custom set regulator helper. + * @supported_hw: Array of hierarchy of versions to match. + * @supported_hw_count: Number of elements in the array. + * @regulator_names: Array of pointers to the names of the regulator, NULL terminated. + * @required_dev: The required OPP device. + * @required_dev_index: The index of the required OPP for the @required_dev. * - * This structure stores the freq/voltage/current values for a single OPP. + * This structure contains platform specific OPP configurations for the device. */ -struct dev_pm_opp_info { - unsigned long rate; - struct dev_pm_opp_supply *supplies; +struct dev_pm_opp_config { + /* NULL terminated */ + const char * const *clk_names; + config_clks_t config_clks; + const char *prop_name; + config_regulators_t config_regulators; + const unsigned int *supported_hw; + unsigned int supported_hw_count; + const char * const *regulator_names; + struct device *required_dev; + unsigned int required_dev_index; }; +#define OPP_LEVEL_UNSET U32_MAX + /** - * struct dev_pm_set_opp_data - Set OPP data - * @old_opp: Old OPP info - * @new_opp: New OPP info - * @regulators: Array of regulator pointers - * @regulator_count: Number of regulators - * @clk: Pointer to clk - * @dev: Pointer to the struct device - * - * This structure contains all information required for setting an OPP. + * struct dev_pm_opp_data - The data to use to initialize an OPP. + * @turbo: Flag to indicate whether the OPP is to be marked turbo or not. + * @level: The performance level for the OPP. Set level to OPP_LEVEL_UNSET if + * level field isn't used. + * @freq: The clock rate in Hz for the OPP. + * @u_volt: The voltage in uV for the OPP. */ -struct dev_pm_set_opp_data { - struct dev_pm_opp_info old_opp; - struct dev_pm_opp_info new_opp; - - struct regulator **regulators; - unsigned int regulator_count; - struct clk *clk; - struct device *dev; +struct dev_pm_opp_data { + bool turbo; + unsigned int level; + unsigned long freq; + unsigned long u_volt; }; #if defined(CONFIG_PM_OPP) struct opp_table *dev_pm_opp_get_opp_table(struct device *dev); -struct opp_table *dev_pm_opp_get_opp_table_indexed(struct device *dev, int index); +struct opp_table *dev_pm_opp_get_opp_table_ref(struct opp_table *opp_table); void dev_pm_opp_put_opp_table(struct opp_table *opp_table); +unsigned long dev_pm_opp_get_bw(struct dev_pm_opp *opp, bool peak, int index); + unsigned long dev_pm_opp_get_voltage(struct dev_pm_opp *opp); -unsigned long dev_pm_opp_get_freq(struct dev_pm_opp *opp); +int dev_pm_opp_get_supplies(struct dev_pm_opp *opp, struct dev_pm_opp_supply *supplies); + +unsigned long dev_pm_opp_get_power(struct dev_pm_opp *opp); + +unsigned long dev_pm_opp_get_freq_indexed(struct dev_pm_opp *opp, u32 index); unsigned int dev_pm_opp_get_level(struct dev_pm_opp *opp); +unsigned int dev_pm_opp_get_required_pstate(struct dev_pm_opp *opp, + unsigned int index); + bool dev_pm_opp_is_turbo(struct dev_pm_opp *opp); int dev_pm_opp_get_opp_count(struct device *dev); @@ -110,20 +130,43 @@ unsigned long dev_pm_opp_get_suspend_opp_freq(struct device *dev); struct dev_pm_opp *dev_pm_opp_find_freq_exact(struct device *dev, unsigned long freq, bool available); -struct dev_pm_opp *dev_pm_opp_find_level_exact(struct device *dev, - unsigned int level); + +struct dev_pm_opp * +dev_pm_opp_find_freq_exact_indexed(struct device *dev, unsigned long freq, + u32 index, bool available); struct dev_pm_opp *dev_pm_opp_find_freq_floor(struct device *dev, unsigned long *freq); -struct dev_pm_opp *dev_pm_opp_find_freq_ceil_by_volt(struct device *dev, - unsigned long u_volt); + +struct dev_pm_opp *dev_pm_opp_find_freq_floor_indexed(struct device *dev, + unsigned long *freq, u32 index); struct dev_pm_opp *dev_pm_opp_find_freq_ceil(struct device *dev, unsigned long *freq); + +struct dev_pm_opp *dev_pm_opp_find_freq_ceil_indexed(struct device *dev, + unsigned long *freq, u32 index); + +struct dev_pm_opp *dev_pm_opp_find_level_exact(struct device *dev, + unsigned int level); + +struct dev_pm_opp *dev_pm_opp_find_level_ceil(struct device *dev, + unsigned int *level); + +struct dev_pm_opp *dev_pm_opp_find_level_floor(struct device *dev, + unsigned int *level); + +struct dev_pm_opp *dev_pm_opp_find_bw_ceil(struct device *dev, + unsigned int *bw, int index); + +struct dev_pm_opp *dev_pm_opp_find_bw_floor(struct device *dev, + unsigned int *bw, int index); + +struct dev_pm_opp *dev_pm_opp_get(struct dev_pm_opp *opp); void dev_pm_opp_put(struct dev_pm_opp *opp); -int dev_pm_opp_add(struct device *dev, unsigned long freq, - unsigned long u_volt); +int dev_pm_opp_add_dynamic(struct device *dev, struct dev_pm_opp_data *opp); + void dev_pm_opp_remove(struct device *dev, unsigned long freq); void dev_pm_opp_remove_all_dynamic(struct device *dev); @@ -138,44 +181,62 @@ int dev_pm_opp_disable(struct device *dev, unsigned long freq); int dev_pm_opp_register_notifier(struct device *dev, struct notifier_block *nb); int dev_pm_opp_unregister_notifier(struct device *dev, struct notifier_block *nb); -struct opp_table *dev_pm_opp_set_supported_hw(struct device *dev, const u32 *versions, unsigned int count); -void dev_pm_opp_put_supported_hw(struct opp_table *opp_table); -struct opp_table *dev_pm_opp_set_prop_name(struct device *dev, const char *name); -void dev_pm_opp_put_prop_name(struct opp_table *opp_table); -struct opp_table *dev_pm_opp_set_regulators(struct device *dev, const char * const names[], unsigned int count); -void dev_pm_opp_put_regulators(struct opp_table *opp_table); -struct opp_table *dev_pm_opp_set_clkname(struct device *dev, const char * name); -void dev_pm_opp_put_clkname(struct opp_table *opp_table); -struct opp_table *dev_pm_opp_register_set_opp_helper(struct device *dev, int (*set_opp)(struct dev_pm_set_opp_data *data)); -void dev_pm_opp_unregister_set_opp_helper(struct opp_table *opp_table); -struct opp_table *dev_pm_opp_attach_genpd(struct device *dev, const char **names, struct device ***virt_devs); -void dev_pm_opp_detach_genpd(struct opp_table *opp_table); +int dev_pm_opp_set_config(struct device *dev, struct dev_pm_opp_config *config); +int devm_pm_opp_set_config(struct device *dev, struct dev_pm_opp_config *config); +void dev_pm_opp_clear_config(int token); +int dev_pm_opp_config_clks_simple(struct device *dev, + struct opp_table *opp_table, struct dev_pm_opp *opp, void *data, + bool scaling_down); + +struct dev_pm_opp *dev_pm_opp_xlate_required_opp(struct opp_table *src_table, struct opp_table *dst_table, struct dev_pm_opp *src_opp); int dev_pm_opp_xlate_performance_state(struct opp_table *src_table, struct opp_table *dst_table, unsigned int pstate); int dev_pm_opp_set_rate(struct device *dev, unsigned long target_freq); -int dev_pm_opp_set_bw(struct device *dev, struct dev_pm_opp *opp); +int dev_pm_opp_set_opp(struct device *dev, struct dev_pm_opp *opp); int dev_pm_opp_set_sharing_cpus(struct device *cpu_dev, const struct cpumask *cpumask); int dev_pm_opp_get_sharing_cpus(struct device *cpu_dev, struct cpumask *cpumask); void dev_pm_opp_remove_table(struct device *dev); void dev_pm_opp_cpumask_remove_table(const struct cpumask *cpumask); +int dev_pm_opp_sync_regulators(struct device *dev); + #else static inline struct opp_table *dev_pm_opp_get_opp_table(struct device *dev) { - return ERR_PTR(-ENOTSUPP); + return ERR_PTR(-EOPNOTSUPP); } static inline struct opp_table *dev_pm_opp_get_opp_table_indexed(struct device *dev, int index) { - return ERR_PTR(-ENOTSUPP); + return ERR_PTR(-EOPNOTSUPP); +} + +static inline struct opp_table *dev_pm_opp_get_opp_table_ref(struct opp_table *opp_table) +{ + return opp_table; } static inline void dev_pm_opp_put_opp_table(struct opp_table *opp_table) {} +static inline unsigned long dev_pm_opp_get_bw(struct dev_pm_opp *opp, bool peak, int index) +{ + return 0; +} + static inline unsigned long dev_pm_opp_get_voltage(struct dev_pm_opp *opp) { return 0; } -static inline unsigned long dev_pm_opp_get_freq(struct dev_pm_opp *opp) +static inline int dev_pm_opp_get_supplies(struct dev_pm_opp *opp, struct dev_pm_opp_supply *supplies) +{ + return -EOPNOTSUPP; +} + +static inline unsigned long dev_pm_opp_get_power(struct dev_pm_opp *opp) +{ + return 0; +} + +static inline unsigned long dev_pm_opp_get_freq_indexed(struct dev_pm_opp *opp, u32 index) { return 0; } @@ -185,6 +246,13 @@ static inline unsigned int dev_pm_opp_get_level(struct dev_pm_opp *opp) return 0; } +static inline +unsigned int dev_pm_opp_get_required_pstate(struct dev_pm_opp *opp, + unsigned int index) +{ + return 0; +} + static inline bool dev_pm_opp_is_turbo(struct dev_pm_opp *opp) { return false; @@ -218,39 +286,81 @@ static inline unsigned long dev_pm_opp_get_suspend_opp_freq(struct device *dev) static inline struct dev_pm_opp *dev_pm_opp_find_freq_exact(struct device *dev, unsigned long freq, bool available) { - return ERR_PTR(-ENOTSUPP); + return ERR_PTR(-EOPNOTSUPP); } -static inline struct dev_pm_opp *dev_pm_opp_find_level_exact(struct device *dev, - unsigned int level) +static inline struct dev_pm_opp * +dev_pm_opp_find_freq_exact_indexed(struct device *dev, unsigned long freq, + u32 index, bool available) { - return ERR_PTR(-ENOTSUPP); + return ERR_PTR(-EOPNOTSUPP); } static inline struct dev_pm_opp *dev_pm_opp_find_freq_floor(struct device *dev, unsigned long *freq) { - return ERR_PTR(-ENOTSUPP); + return ERR_PTR(-EOPNOTSUPP); } -static inline struct dev_pm_opp *dev_pm_opp_find_freq_ceil_by_volt(struct device *dev, - unsigned long u_volt) +static inline struct dev_pm_opp * +dev_pm_opp_find_freq_floor_indexed(struct device *dev, unsigned long *freq, u32 index) { - return ERR_PTR(-ENOTSUPP); + return ERR_PTR(-EOPNOTSUPP); } static inline struct dev_pm_opp *dev_pm_opp_find_freq_ceil(struct device *dev, unsigned long *freq) { - return ERR_PTR(-ENOTSUPP); + return ERR_PTR(-EOPNOTSUPP); +} + +static inline struct dev_pm_opp * +dev_pm_opp_find_freq_ceil_indexed(struct device *dev, unsigned long *freq, u32 index) +{ + return ERR_PTR(-EOPNOTSUPP); +} + +static inline struct dev_pm_opp *dev_pm_opp_find_level_exact(struct device *dev, + unsigned int level) +{ + return ERR_PTR(-EOPNOTSUPP); +} + +static inline struct dev_pm_opp *dev_pm_opp_find_level_ceil(struct device *dev, + unsigned int *level) +{ + return ERR_PTR(-EOPNOTSUPP); +} + +static inline struct dev_pm_opp *dev_pm_opp_find_level_floor(struct device *dev, + unsigned int *level) +{ + return ERR_PTR(-EOPNOTSUPP); +} + +static inline struct dev_pm_opp *dev_pm_opp_find_bw_ceil(struct device *dev, + unsigned int *bw, int index) +{ + return ERR_PTR(-EOPNOTSUPP); +} + +static inline struct dev_pm_opp *dev_pm_opp_find_bw_floor(struct device *dev, + unsigned int *bw, int index) +{ + return ERR_PTR(-EOPNOTSUPP); +} + +static inline struct dev_pm_opp *dev_pm_opp_get(struct dev_pm_opp *opp) +{ + return opp; } static inline void dev_pm_opp_put(struct dev_pm_opp *opp) {} -static inline int dev_pm_opp_add(struct device *dev, unsigned long freq, - unsigned long u_volt) +static inline int +dev_pm_opp_add_dynamic(struct device *dev, struct dev_pm_opp_data *opp) { - return -ENOTSUPP; + return -EOPNOTSUPP; } static inline void dev_pm_opp_remove(struct device *dev, unsigned long freq) @@ -281,77 +391,57 @@ static inline int dev_pm_opp_disable(struct device *dev, unsigned long freq) static inline int dev_pm_opp_register_notifier(struct device *dev, struct notifier_block *nb) { - return -ENOTSUPP; + return -EOPNOTSUPP; } static inline int dev_pm_opp_unregister_notifier(struct device *dev, struct notifier_block *nb) { - return -ENOTSUPP; -} - -static inline struct opp_table *dev_pm_opp_set_supported_hw(struct device *dev, - const u32 *versions, - unsigned int count) -{ - return ERR_PTR(-ENOTSUPP); -} - -static inline void dev_pm_opp_put_supported_hw(struct opp_table *opp_table) {} - -static inline struct opp_table *dev_pm_opp_register_set_opp_helper(struct device *dev, - int (*set_opp)(struct dev_pm_set_opp_data *data)) -{ - return ERR_PTR(-ENOTSUPP); + return -EOPNOTSUPP; } -static inline void dev_pm_opp_unregister_set_opp_helper(struct opp_table *opp_table) {} - -static inline struct opp_table *dev_pm_opp_set_prop_name(struct device *dev, const char *name) +static inline int dev_pm_opp_set_config(struct device *dev, struct dev_pm_opp_config *config) { - return ERR_PTR(-ENOTSUPP); + return -EOPNOTSUPP; } -static inline void dev_pm_opp_put_prop_name(struct opp_table *opp_table) {} - -static inline struct opp_table *dev_pm_opp_set_regulators(struct device *dev, const char * const names[], unsigned int count) +static inline int devm_pm_opp_set_config(struct device *dev, struct dev_pm_opp_config *config) { - return ERR_PTR(-ENOTSUPP); + return -EOPNOTSUPP; } -static inline void dev_pm_opp_put_regulators(struct opp_table *opp_table) {} +static inline void dev_pm_opp_clear_config(int token) {} -static inline struct opp_table *dev_pm_opp_set_clkname(struct device *dev, const char * name) +static inline int dev_pm_opp_config_clks_simple(struct device *dev, + struct opp_table *opp_table, struct dev_pm_opp *opp, void *data, + bool scaling_down) { - return ERR_PTR(-ENOTSUPP); + return -EOPNOTSUPP; } -static inline void dev_pm_opp_put_clkname(struct opp_table *opp_table) {} - -static inline struct opp_table *dev_pm_opp_attach_genpd(struct device *dev, const char **names, struct device ***virt_devs) +static inline struct dev_pm_opp *dev_pm_opp_xlate_required_opp(struct opp_table *src_table, + struct opp_table *dst_table, struct dev_pm_opp *src_opp) { - return ERR_PTR(-ENOTSUPP); + return ERR_PTR(-EOPNOTSUPP); } -static inline void dev_pm_opp_detach_genpd(struct opp_table *opp_table) {} - static inline int dev_pm_opp_xlate_performance_state(struct opp_table *src_table, struct opp_table *dst_table, unsigned int pstate) { - return -ENOTSUPP; + return -EOPNOTSUPP; } static inline int dev_pm_opp_set_rate(struct device *dev, unsigned long target_freq) { - return -ENOTSUPP; + return -EOPNOTSUPP; } -static inline int dev_pm_opp_set_bw(struct device *dev, struct dev_pm_opp *opp) +static inline int dev_pm_opp_set_opp(struct device *dev, struct dev_pm_opp *opp) { return -EOPNOTSUPP; } static inline int dev_pm_opp_set_sharing_cpus(struct device *cpu_dev, const struct cpumask *cpumask) { - return -ENOTSUPP; + return -EOPNOTSUPP; } static inline int dev_pm_opp_get_sharing_cpus(struct device *cpu_dev, struct cpumask *cpumask) @@ -367,20 +457,45 @@ static inline void dev_pm_opp_cpumask_remove_table(const struct cpumask *cpumask { } +static inline int dev_pm_opp_sync_regulators(struct device *dev) +{ + return -EOPNOTSUPP; +} + #endif /* CONFIG_PM_OPP */ +#if defined(CONFIG_CPU_FREQ) && defined(CONFIG_PM_OPP) +int dev_pm_opp_init_cpufreq_table(struct device *dev, struct cpufreq_frequency_table **table); +void dev_pm_opp_free_cpufreq_table(struct device *dev, struct cpufreq_frequency_table **table); +#else +static inline int dev_pm_opp_init_cpufreq_table(struct device *dev, struct cpufreq_frequency_table **table) +{ + return -EINVAL; +} + +static inline void dev_pm_opp_free_cpufreq_table(struct device *dev, struct cpufreq_frequency_table **table) +{ +} +#endif + + #if defined(CONFIG_PM_OPP) && defined(CONFIG_OF) int dev_pm_opp_of_add_table(struct device *dev); int dev_pm_opp_of_add_table_indexed(struct device *dev, int index); +int devm_pm_opp_of_add_table_indexed(struct device *dev, int index); void dev_pm_opp_of_remove_table(struct device *dev); +int devm_pm_opp_of_add_table(struct device *dev); int dev_pm_opp_of_cpumask_add_table(const struct cpumask *cpumask); void dev_pm_opp_of_cpumask_remove_table(const struct cpumask *cpumask); int dev_pm_opp_of_get_sharing_cpus(struct device *cpu_dev, struct cpumask *cpumask); struct device_node *dev_pm_opp_of_get_opp_desc_node(struct device *dev); struct device_node *dev_pm_opp_get_of_node(struct dev_pm_opp *opp); int of_get_required_opp_performance_state(struct device_node *np, int index); +bool dev_pm_opp_of_has_required_opp(struct device *dev); int dev_pm_opp_of_find_icc_paths(struct device *dev, struct opp_table *opp_table); int dev_pm_opp_of_register_em(struct device *dev, struct cpumask *cpus); +int dev_pm_opp_calc_power(struct device *dev, unsigned long *uW, + unsigned long *kHz); static inline void dev_pm_opp_of_unregister_em(struct device *dev) { em_dev_unregister_perf_domain(dev); @@ -388,21 +503,31 @@ static inline void dev_pm_opp_of_unregister_em(struct device *dev) #else static inline int dev_pm_opp_of_add_table(struct device *dev) { - return -ENOTSUPP; + return -EOPNOTSUPP; } static inline int dev_pm_opp_of_add_table_indexed(struct device *dev, int index) { - return -ENOTSUPP; + return -EOPNOTSUPP; +} + +static inline int devm_pm_opp_of_add_table_indexed(struct device *dev, int index) +{ + return -EOPNOTSUPP; } static inline void dev_pm_opp_of_remove_table(struct device *dev) { } +static inline int devm_pm_opp_of_add_table(struct device *dev) +{ + return -EOPNOTSUPP; +} + static inline int dev_pm_opp_of_cpumask_add_table(const struct cpumask *cpumask) { - return -ENOTSUPP; + return -EOPNOTSUPP; } static inline void dev_pm_opp_of_cpumask_remove_table(const struct cpumask *cpumask) @@ -411,7 +536,7 @@ static inline void dev_pm_opp_of_cpumask_remove_table(const struct cpumask *cpum static inline int dev_pm_opp_of_get_sharing_cpus(struct device *cpu_dev, struct cpumask *cpumask) { - return -ENOTSUPP; + return -EOPNOTSUPP; } static inline struct device_node *dev_pm_opp_of_get_opp_desc_node(struct device *dev) @@ -427,22 +552,180 @@ static inline struct device_node *dev_pm_opp_get_of_node(struct dev_pm_opp *opp) static inline int dev_pm_opp_of_register_em(struct device *dev, struct cpumask *cpus) { - return -ENOTSUPP; + return -EOPNOTSUPP; } static inline void dev_pm_opp_of_unregister_em(struct device *dev) { } +static inline int dev_pm_opp_calc_power(struct device *dev, unsigned long *uW, + unsigned long *kHz) +{ + return -EOPNOTSUPP; +} + static inline int of_get_required_opp_performance_state(struct device_node *np, int index) { - return -ENOTSUPP; + return -EOPNOTSUPP; +} + +static inline bool dev_pm_opp_of_has_required_opp(struct device *dev) +{ + return false; } static inline int dev_pm_opp_of_find_icc_paths(struct device *dev, struct opp_table *opp_table) { - return -ENOTSUPP; + return -EOPNOTSUPP; } #endif +/* Scope based cleanup macro for OPP reference counting */ +DEFINE_FREE(put_opp, struct dev_pm_opp *, if (!IS_ERR_OR_NULL(_T)) dev_pm_opp_put(_T)) + +/* Scope based cleanup macro for OPP table reference counting */ +DEFINE_FREE(put_opp_table, struct opp_table *, if (!IS_ERR_OR_NULL(_T)) dev_pm_opp_put_opp_table(_T)) + +/* OPP Configuration helpers */ + +static inline int dev_pm_opp_add(struct device *dev, unsigned long freq, + unsigned long u_volt) +{ + struct dev_pm_opp_data data = { + .freq = freq, + .u_volt = u_volt, + }; + + return dev_pm_opp_add_dynamic(dev, &data); +} + +/* Regulators helpers */ +static inline int dev_pm_opp_set_regulators(struct device *dev, + const char * const names[]) +{ + struct dev_pm_opp_config config = { + .regulator_names = names, + }; + + return dev_pm_opp_set_config(dev, &config); +} + +static inline void dev_pm_opp_put_regulators(int token) +{ + dev_pm_opp_clear_config(token); +} + +static inline int devm_pm_opp_set_regulators(struct device *dev, + const char * const names[]) +{ + struct dev_pm_opp_config config = { + .regulator_names = names, + }; + + return devm_pm_opp_set_config(dev, &config); +} + +/* Supported-hw helpers */ +static inline int dev_pm_opp_set_supported_hw(struct device *dev, + const u32 *versions, + unsigned int count) +{ + struct dev_pm_opp_config config = { + .supported_hw = versions, + .supported_hw_count = count, + }; + + return dev_pm_opp_set_config(dev, &config); +} + +static inline void dev_pm_opp_put_supported_hw(int token) +{ + dev_pm_opp_clear_config(token); +} + +static inline int devm_pm_opp_set_supported_hw(struct device *dev, + const u32 *versions, + unsigned int count) +{ + struct dev_pm_opp_config config = { + .supported_hw = versions, + .supported_hw_count = count, + }; + + return devm_pm_opp_set_config(dev, &config); +} + +/* clkname helpers */ +static inline int dev_pm_opp_set_clkname(struct device *dev, const char *name) +{ + const char *names[] = { name, NULL }; + struct dev_pm_opp_config config = { + .clk_names = names, + }; + + return dev_pm_opp_set_config(dev, &config); +} + +static inline void dev_pm_opp_put_clkname(int token) +{ + dev_pm_opp_clear_config(token); +} + +static inline int devm_pm_opp_set_clkname(struct device *dev, const char *name) +{ + const char *names[] = { name, NULL }; + struct dev_pm_opp_config config = { + .clk_names = names, + }; + + return devm_pm_opp_set_config(dev, &config); +} + +/* config-regulators helpers */ +static inline int dev_pm_opp_set_config_regulators(struct device *dev, + config_regulators_t helper) +{ + struct dev_pm_opp_config config = { + .config_regulators = helper, + }; + + return dev_pm_opp_set_config(dev, &config); +} + +static inline void dev_pm_opp_put_config_regulators(int token) +{ + dev_pm_opp_clear_config(token); +} + +/* prop-name helpers */ +static inline int dev_pm_opp_set_prop_name(struct device *dev, const char *name) +{ + struct dev_pm_opp_config config = { + .prop_name = name, + }; + + return dev_pm_opp_set_config(dev, &config); +} + +static inline void dev_pm_opp_put_prop_name(int token) +{ + dev_pm_opp_clear_config(token); +} + +static inline unsigned long dev_pm_opp_get_freq(struct dev_pm_opp *opp) +{ + return dev_pm_opp_get_freq_indexed(opp, 0); +} + +static inline int dev_pm_opp_set_level(struct device *dev, unsigned int level) +{ + struct dev_pm_opp *opp __free(put_opp) = dev_pm_opp_find_level_exact(dev, level); + + if (IS_ERR(opp)) + return PTR_ERR(opp); + + return dev_pm_opp_set_opp(dev, opp); +} + #endif /* __LINUX_OPP_H__ */ |