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Diffstat (limited to 'include/linux/pm_domain.h')
-rw-r--r--include/linux/pm_domain.h33
1 files changed, 33 insertions, 0 deletions
diff --git a/include/linux/pm_domain.h b/include/linux/pm_domain.h
index b637ec14025f..0b18160901a2 100644
--- a/include/linux/pm_domain.h
+++ b/include/linux/pm_domain.h
@@ -30,9 +30,16 @@
* supplier and its PM domain when creating the
* device-links.
*
+ * PD_FLAG_REQUIRED_OPP: Assign required_devs for the required OPPs. The
+ * index of the required OPP must correspond to the
+ * index in the array of the pd_names. If pd_names
+ * isn't specified, the index just follows the
+ * index for the attached PM domain.
+ *
*/
#define PD_FLAG_NO_DEV_LINK BIT(0)
#define PD_FLAG_DEV_LINK_ON BIT(1)
+#define PD_FLAG_REQUIRED_OPP BIT(2)
struct dev_pm_domain_attach_data {
const char * const *pd_names;
@@ -43,6 +50,7 @@ struct dev_pm_domain_attach_data {
struct dev_pm_domain_list {
struct device **pd_devs;
struct device_link **pd_links;
+ u32 *opp_tokens;
u32 num_pds;
};
@@ -92,6 +100,10 @@ struct dev_pm_domain_list {
* GENPD_FLAG_OPP_TABLE_FW: The genpd provider supports performance states,
* but its corresponding OPP tables are not
* described in DT, but are given directly by FW.
+ *
+ * GENPD_FLAG_DEV_NAME_FW: Instructs genpd to generate an unique device name
+ * using ida. It is used by genpd providers which
+ * get their genpd-names directly from FW.
*/
#define GENPD_FLAG_PM_CLK (1U << 0)
#define GENPD_FLAG_IRQ_SAFE (1U << 1)
@@ -101,6 +113,7 @@ struct dev_pm_domain_list {
#define GENPD_FLAG_RPM_ALWAYS_ON (1U << 5)
#define GENPD_FLAG_MIN_RESIDENCY (1U << 6)
#define GENPD_FLAG_OPP_TABLE_FW (1U << 7)
+#define GENPD_FLAG_DEV_NAME_FW (1U << 8)
enum gpd_status {
GENPD_STATE_ON = 0, /* PM domain is on */
@@ -129,16 +142,21 @@ struct genpd_governor_data {
bool max_off_time_changed;
ktime_t next_wakeup;
ktime_t next_hrtimer;
+ ktime_t last_enter;
+ bool reflect_residency;
bool cached_power_down_ok;
bool cached_power_down_state_idx;
};
struct genpd_power_state {
+ const char *name;
s64 power_off_latency_ns;
s64 power_on_latency_ns;
s64 residency_ns;
u64 usage;
u64 rejected;
+ u64 above;
+ u64 below;
struct fwnode_handle *fwnode;
u64 idle_time;
void *data;
@@ -163,6 +181,7 @@ struct generic_pm_domain {
atomic_t sd_count; /* Number of subdomains with power "on" */
enum gpd_status status; /* Current state of the domain */
unsigned int device_count; /* Number of devices */
+ unsigned int device_id; /* unique device id */
unsigned int suspended_count; /* System suspend device counter */
unsigned int prepared_count; /* Suspend counter of prepared devices */
unsigned int performance_state; /* Aggregated max performance state */
@@ -244,7 +263,9 @@ struct generic_pm_domain_data {
unsigned int performance_state;
unsigned int default_pstate;
unsigned int rpm_pstate;
+ unsigned int opp_token;
bool hw_mode;
+ bool rpm_always_on;
void *data;
};
@@ -268,6 +289,8 @@ int pm_genpd_remove_subdomain(struct generic_pm_domain *genpd,
int pm_genpd_init(struct generic_pm_domain *genpd,
struct dev_power_governor *gov, bool is_off);
int pm_genpd_remove(struct generic_pm_domain *genpd);
+void pm_genpd_inc_rejected(struct generic_pm_domain *genpd,
+ unsigned int state_idx);
struct device *dev_to_genpd_dev(struct device *dev);
int dev_pm_genpd_set_performance_state(struct device *dev, unsigned int state);
int dev_pm_genpd_add_notifier(struct device *dev, struct notifier_block *nb);
@@ -277,6 +300,7 @@ ktime_t dev_pm_genpd_get_next_hrtimer(struct device *dev);
void dev_pm_genpd_synced_poweroff(struct device *dev);
int dev_pm_genpd_set_hwmode(struct device *dev, bool enable);
bool dev_pm_genpd_get_hwmode(struct device *dev);
+int dev_pm_genpd_rpm_always_on(struct device *dev, bool on);
extern struct dev_power_governor simple_qos_governor;
extern struct dev_power_governor pm_domain_always_on_gov;
@@ -318,6 +342,10 @@ static inline int pm_genpd_remove(struct generic_pm_domain *genpd)
return -EOPNOTSUPP;
}
+static inline void pm_genpd_inc_rejected(struct generic_pm_domain *genpd,
+ unsigned int state_idx)
+{ }
+
static inline struct device *dev_to_genpd_dev(struct device *dev)
{
return ERR_PTR(-EOPNOTSUPP);
@@ -360,6 +388,11 @@ static inline bool dev_pm_genpd_get_hwmode(struct device *dev)
return false;
}
+static inline int dev_pm_genpd_rpm_always_on(struct device *dev, bool on)
+{
+ return -EOPNOTSUPP;
+}
+
#define simple_qos_governor (*(struct dev_power_governor *)(NULL))
#define pm_domain_always_on_gov (*(struct dev_power_governor *)(NULL))
#endif