Linux Audio
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Embedded Linux Audio
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/* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only) */ /* Copyright(c) 2022 Intel Corporation */ #ifndef ADF_GEN4_PM_H #define ADF_GEN4_PM_H #include "adf_accel_devices.h" /* Power management registers */ #define ADF_GEN4_PM_HOST_MSG (0x50A01C) /* Power management */ #define ADF_GEN4_PM_POLL_DELAY_US 20 #define ADF_GEN4_PM_POLL_TIMEOUT_US USEC_PER_SEC #define ADF_GEN4_PM_MSG_POLL_DELAY_US (10 * USEC_PER_MSEC) #define ADF_GEN4_PM_STATUS (0x50A00C) #define ADF_GEN4_PM_INTERRUPT (0x50A028) /* Power management source in ERRSOU2 and ERRMSK2 */ #define ADF_GEN4_PM_SOU BIT(18) #define ADF_GEN4_PM_IDLE_INT_EN BIT(18) #define ADF_GEN4_PM_THROTTLE_INT_EN BIT(19) #define ADF_GEN4_PM_DRV_ACTIVE BIT(20) #define ADF_GEN4_PM_INIT_STATE BIT(21) #define ADF_GEN4_PM_INT_EN_DEFAULT (ADF_GEN4_PM_IDLE_INT_EN | \ ADF_GEN4_PM_THROTTLE_INT_EN) #define ADF_GEN4_PM_THR_STS BIT(0) #define ADF_GEN4_PM_IDLE_STS BIT(1) #define ADF_GEN4_PM_FW_INT_STS BIT(2) #define ADF_GEN4_PM_INT_STS_MASK (ADF_GEN4_PM_THR_STS | \ ADF_GEN4_PM_IDLE_STS | \ ADF_GEN4_PM_FW_INT_STS) #define ADF_GEN4_PM_MSG_PENDING BIT(0) #define ADF_GEN4_PM_MSG_PAYLOAD_BIT_MASK GENMASK(28, 1) #define ADF_GEN4_PM_DEFAULT_IDLE_FILTER (0x6) #define ADF_GEN4_PM_MAX_IDLE_FILTER (0x7) int adf_gen4_enable_pm(struct adf_accel_dev *accel_dev); bool adf_gen4_handle_pm_interrupt(struct adf_accel_dev *accel_dev); #endif