drivers/crypto/qat/qat_common/adf_gen4_pm.h

   1 /* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only) */
   2 /* Copyright(c) 2022 Intel Corporation */
   3 #ifndef ADF_GEN4_PM_H
   4 #define ADF_GEN4_PM_H
   5
   6 #include "adf_accel_devices.h"
   7
   8 /* Power management registers */
   9 #define ADF_GEN4_PM_HOST_MSG (0x50A01C)
  10
  11 /* Power management */
  12 #define ADF_GEN4_PM_POLL_DELAY_US       20
  13 #define ADF_GEN4_PM_POLL_TIMEOUT_US     USEC_PER_SEC
  14 #define ADF_GEN4_PM_MSG_POLL_DELAY_US   (10 * USEC_PER_MSEC)
  15 #define ADF_GEN4_PM_STATUS              (0x50A00C)
  16 #define ADF_GEN4_PM_INTERRUPT           (0x50A028)
  17
  18 /* Power management source in ERRSOU2 and ERRMSK2 */
  19 #define ADF_GEN4_PM_SOU                 BIT(18)
  20
  21 #define ADF_GEN4_PM_IDLE_INT_EN         BIT(18)
  22 #define ADF_GEN4_PM_THROTTLE_INT_EN     BIT(19)
  23 #define ADF_GEN4_PM_DRV_ACTIVE          BIT(20)
  24 #define ADF_GEN4_PM_INIT_STATE          BIT(21)
  25 #define ADF_GEN4_PM_INT_EN_DEFAULT      (ADF_GEN4_PM_IDLE_INT_EN | \
  26                                         ADF_GEN4_PM_THROTTLE_INT_EN)
  27
  28 #define ADF_GEN4_PM_THR_STS     BIT(0)
  29 #define ADF_GEN4_PM_IDLE_STS    BIT(1)
  30 #define ADF_GEN4_PM_FW_INT_STS  BIT(2)
  31 #define ADF_GEN4_PM_INT_STS_MASK (ADF_GEN4_PM_THR_STS | \
  32                                  ADF_GEN4_PM_IDLE_STS | \
  33                                  ADF_GEN4_PM_FW_INT_STS)
  34
  35 #define ADF_GEN4_PM_MSG_PENDING                 BIT(0)
  36 #define ADF_GEN4_PM_MSG_PAYLOAD_BIT_MASK        GENMASK(28, 1)
  37
  38 #define ADF_GEN4_PM_DEFAULT_IDLE_FILTER         (0x0)
  39 #define ADF_GEN4_PM_MAX_IDLE_FILTER             (0x7)
  40
  41 int adf_gen4_enable_pm(struct adf_accel_dev *accel_dev);
  42 bool adf_gen4_handle_pm_interrupt(struct adf_accel_dev *accel_dev);
  43
  44 #endif