diff options
Diffstat (limited to 'arch/arm/include/asm/imx-common/sci/svc/pm/api.h')
| -rw-r--r-- | arch/arm/include/asm/imx-common/sci/svc/pm/api.h | 39 |
1 files changed, 35 insertions, 4 deletions
diff --git a/arch/arm/include/asm/imx-common/sci/svc/pm/api.h b/arch/arm/include/asm/imx-common/sci/svc/pm/api.h index fc68f86944..0d782ef0c2 100644 --- a/arch/arm/include/asm/imx-common/sci/svc/pm/api.h +++ b/arch/arm/include/asm/imx-common/sci/svc/pm/api.h @@ -14,6 +14,8 @@ * * Module for the Power Management (PM) service. * + * @includedoc pm/details.dox + * * @{ */ @@ -31,10 +33,10 @@ * @name Defines for type widths */ /*@{*/ -#define SC_PM_POWER_MODE_W 2 /*!< Width of sc_pm_power_mode_t */ -#define SC_PM_CLOCK_MODE_W 3 /*!< Width of sc_pm_clock_mode_t */ -#define SC_PM_RESET_TYPE_W 2 /*!< Width of sc_pm_reset_type_t */ -#define SC_PM_RESET_REASON_W 3 /*!< Width of sc_pm_reset_reason_t */ +#define SC_PM_POWER_MODE_W 2U /*!< Width of sc_pm_power_mode_t */ +#define SC_PM_CLOCK_MODE_W 3U /*!< Width of sc_pm_clock_mode_t */ +#define SC_PM_RESET_TYPE_W 2U /*!< Width of sc_pm_reset_type_t */ +#define SC_PM_RESET_REASON_W 3U /*!< Width of sc_pm_reset_reason_t */ /*@}*/ /*! @@ -286,6 +288,9 @@ sc_err_t sc_pm_get_sys_power_mode(sc_ipc_t ipc, sc_rm_pt_t pt, * - SC_ERR_NOACCESS if caller's partition is not the resource owner * or parent of the owner * + * Resources must be at SC_PM_PW_MODE_LP mode or higher to access them, + * otherwise the master will get a bus error or hang. + * * This function will record the individual resource power mode * and change it if the requested mode is lower than or equal to the * partition power mode set with sc_pm_set_partition_power_mode(). @@ -308,6 +313,32 @@ sc_err_t sc_pm_set_resource_power_mode(sc_ipc_t ipc, sc_rsrc_t resource, sc_pm_power_mode_t mode); /*! +* This function sets the power mode for all the resources owned +* by a child partition. +* +* @param[in] ipc IPC handle +* @param[in] pt handle of child partition +* @param[in] mode power mode to apply +* @param[in] exclude resource to exclude +* +* @return Returns an error code (SC_ERR_NONE = success). +* +* Return errors: +* - SC_ERR_PARM if invalid partition or mode, +* - SC_ERR_NOACCESS if caller's partition is not the parent +* of \a pt +* +* This functions loops through all the resources owned by \a pt +* and sets the power mode to \a mode. It will skip setting +* \a exclude (SC_R_LAST to skip none). +* +* This function can only be called by the parent. It is used to +* implement some aspects of virtualization. +*/ +sc_err_t sc_pm_set_resource_power_mode_all(sc_ipc_t ipc, + sc_rm_pt_t pt, sc_pm_power_mode_t mode, sc_rsrc_t exclude); + +/*! * This function gets the power mode of a resource. * * @param[in] ipc IPC handle |