diff options
Diffstat (limited to 'gxp-pm.h')
| -rw-r--r-- | gxp-pm.h | 43 |
1 files changed, 24 insertions, 19 deletions
@@ -52,6 +52,13 @@ enum aur_power_cmu_mux_state { #define AUR_MAX_ALLOW_STATE AUR_READY #define AUR_MAX_ALLOW_MEMORY_STATE AUR_MEM_MAX +/* + * The bit to indicate non-aggressor vote for `exynos_acpm_set_rate`. + * Lower 3 byte of frequency parameter of `exynos_acpm_set_rate` will still be + * the requested rate. + */ +#define AUR_NON_AGGRESSOR_BIT 24 + struct gxp_pm_device_ops { int (*pre_blk_powerup)(struct gxp_dev *gxp); int (*post_blk_powerup)(struct gxp_dev *gxp); @@ -64,6 +71,7 @@ struct gxp_set_acpm_state_work { struct gxp_dev *gxp; unsigned long state; unsigned long prev_state; + bool aggressor_vote; }; struct gxp_req_pm_qos_work { @@ -77,7 +85,9 @@ struct gxp_power_manager { struct gxp_dev *gxp; struct mutex pm_lock; uint pwr_state_req_count[AUR_NUM_POWER_STATE]; + uint non_aggressor_pwr_state_req_count[AUR_NUM_POWER_STATE]; uint mem_pwr_state_req_count[AUR_NUM_MEMORY_POWER_STATE]; + bool curr_aggressor_vote; int curr_state; int curr_memory_state; refcount_t blk_wake_ref; @@ -142,8 +152,8 @@ int gxp_pm_core_on(struct gxp_dev *gxp, uint core); int gxp_pm_core_off(struct gxp_dev *gxp, uint core); /** - * gxp_pm_acquire_blk_wakelock() - Acquire blk wakelock - * to make sure block won't shutdown. + * gxp_pm_acquire_blk_wakelock() - Acquire blk wakelock to make sure block won't + * shutdown. * * Can be called multiple times and it will increase * reference count. @@ -170,20 +180,8 @@ int gxp_pm_acquire_blk_wakelock(struct gxp_dev *gxp); int gxp_pm_release_blk_wakelock(struct gxp_dev *gxp); /** - * gxp_pm_req_state() - API to request a desired power state. - * @gxp: The GXP device to operate - * @state: The requested state - * - * Return: - * * 0 - Voting registered - * * -EINVAL - Invalid requested state - */ -int gxp_pm_req_state(struct gxp_dev *gxp, enum aur_power_state state); - -/** - * gxp_pm_init() - API for initialize PM - * interface for GXP, should only be called - * once per probe + * gxp_pm_init() - API for initialize PM interface for GXP, should only be + * called once per probe * @gxp: The GXP device to operate * * Return: @@ -232,8 +230,13 @@ int gxp_pm_blk_get_state_acpm(struct gxp_dev *gxp); * requested state. * @gxp: The GXP device to operate. * @origin_state: An existing old requested state, will be cleared. If this is - * the first vote, pass AUR_OFF. + * the first vote, pass AUR_OFF. + * @origin_requested_aggressor: Specify whether the existing vote was requested with + * aggressor flag. * @requested_state: The new requested state. + * @requested_aggressor: Specify whether the new vote is requested with aggressor + * flag. Will take no effect if the @requested state is + * AUR_OFF. * * Return: * * 0 - Voting registered @@ -241,14 +244,16 @@ int gxp_pm_blk_get_state_acpm(struct gxp_dev *gxp); */ int gxp_pm_update_requested_power_state(struct gxp_dev *gxp, enum aur_power_state origin_state, - enum aur_power_state requested_state); + bool origin_requested_aggressor, + enum aur_power_state requested_state, + bool requested_aggressor); /** * gxp_pm_update_requested_memory_power_state() - API for a GXP client to vote for a * requested memory power state. * @gxp: The GXP device to operate. * @origin_state: An existing old requested state, will be cleared. If this is - * the first vote, pass AUR_MEM_UNDEFINED. + * the first vote, pass AUR_MEM_UNDEFINED. * @requested_state: The new requested state. * * Return: |