drivers/crypto/intel/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 <linux/bits.h>
   7
   8 struct adf_accel_dev;
   9
  10 enum qat_pm_host_msg {
  11         PM_NO_CHANGE = 0,
  12         PM_SET_MIN,
  13 };
  14
  15 /* Power management registers */
  16 #define ADF_GEN4_PM_HOST_MSG (0x50A01C)
  17
  18 /* Power management */
  19 #define ADF_GEN4_PM_POLL_DELAY_US       20
  20 #define ADF_GEN4_PM_POLL_TIMEOUT_US     USEC_PER_SEC
  21 #define ADF_GEN4_PM_MSG_POLL_DELAY_US   (10 * USEC_PER_MSEC)
  22 #define ADF_GEN4_PM_STATUS              (0x50A00C)
  23 #define ADF_GEN4_PM_INTERRUPT           (0x50A028)
  24
  25 /* Power management source in ERRSOU2 and ERRMSK2 */
  26 #define ADF_GEN4_PM_SOU                 BIT(18)
  27
  28 #define ADF_GEN4_PM_IDLE_INT_EN         BIT(18)
  29 #define ADF_GEN4_PM_THROTTLE_INT_EN     BIT(19)
  30 #define ADF_GEN4_PM_DRV_ACTIVE          BIT(20)
  31 #define ADF_GEN4_PM_INIT_STATE          BIT(21)
  32 #define ADF_GEN4_PM_INT_EN_DEFAULT      (ADF_GEN4_PM_IDLE_INT_EN | \
  33                                         ADF_GEN4_PM_THROTTLE_INT_EN)
  34
  35 #define ADF_GEN4_PM_THR_STS     BIT(0)
  36 #define ADF_GEN4_PM_IDLE_STS    BIT(1)
  37 #define ADF_GEN4_PM_FW_INT_STS  BIT(2)
  38 #define ADF_GEN4_PM_INT_STS_MASK (ADF_GEN4_PM_THR_STS | \
  39                                  ADF_GEN4_PM_IDLE_STS | \
  40                                  ADF_GEN4_PM_FW_INT_STS)
  41
  42 #define ADF_GEN4_PM_MSG_PENDING                 BIT(0)
  43 #define ADF_GEN4_PM_MSG_PAYLOAD_BIT_MASK        GENMASK(28, 1)
  44
  45 #define ADF_GEN4_PM_DEFAULT_IDLE_FILTER         (0x6)
  46 #define ADF_GEN4_PM_MAX_IDLE_FILTER             (0x7)
  47 #define ADF_GEN4_PM_DEFAULT_IDLE_SUPPORT        (0x1)
  48
  49 /* PM CSRs fields masks */
  50 #define ADF_GEN4_PM_DOMAIN_POWER_GATED_MASK     GENMASK(15, 0)
  51 #define ADF_GEN4_PM_SSM_PM_ENABLE_MASK          GENMASK(15, 0)
  52 #define ADF_GEN4_PM_IDLE_FILTER_MASK            GENMASK(5, 3)
  53 #define ADF_GEN4_PM_IDLE_ENABLE_MASK            BIT(2)
  54 #define ADF_GEN4_PM_ENABLE_PM_MASK              BIT(21)
  55 #define ADF_GEN4_PM_ENABLE_PM_IDLE_MASK         BIT(22)
  56 #define ADF_GEN4_PM_ENABLE_DEEP_PM_IDLE_MASK    BIT(23)
  57 #define ADF_GEN4_PM_CURRENT_WP_MASK             GENMASK(19, 11)
  58 #define ADF_GEN4_PM_CPM_PM_STATE_MASK           GENMASK(22, 20)
  59 #define ADF_GEN4_PM_PENDING_WP_MASK             GENMASK(31, 23)
  60 #define ADF_GEN4_PM_THR_VALUE_MASK              GENMASK(6, 4)
  61 #define ADF_GEN4_PM_MIN_PWR_ACK_MASK            BIT(7)
  62 #define ADF_GEN4_PM_MIN_PWR_ACK_PENDING_MASK    BIT(17)
  63 #define ADF_GEN4_PM_CPR_ACTIVE_COUNT_MASK       BIT(0)
  64 #define ADF_GEN4_PM_CPR_MANAGED_COUNT_MASK      BIT(0)
  65 #define ADF_GEN4_PM_XLT_ACTIVE_COUNT_MASK       BIT(1)
  66 #define ADF_GEN4_PM_XLT_MANAGED_COUNT_MASK      BIT(1)
  67 #define ADF_GEN4_PM_DCPR_ACTIVE_COUNT_MASK      GENMASK(3, 2)
  68 #define ADF_GEN4_PM_DCPR_MANAGED_COUNT_MASK     GENMASK(3, 2)
  69 #define ADF_GEN4_PM_PKE_ACTIVE_COUNT_MASK       GENMASK(8, 4)
  70 #define ADF_GEN4_PM_PKE_MANAGED_COUNT_MASK      GENMASK(8, 4)
  71 #define ADF_GEN4_PM_WAT_ACTIVE_COUNT_MASK       GENMASK(13, 9)
  72 #define ADF_GEN4_PM_WAT_MANAGED_COUNT_MASK      GENMASK(13, 9)
  73 #define ADF_GEN4_PM_WCP_ACTIVE_COUNT_MASK       GENMASK(18, 14)
  74 #define ADF_GEN4_PM_WCP_MANAGED_COUNT_MASK      GENMASK(18, 14)
  75 #define ADF_GEN4_PM_UCS_ACTIVE_COUNT_MASK       GENMASK(20, 19)
  76 #define ADF_GEN4_PM_UCS_MANAGED_COUNT_MASK      GENMASK(20, 19)
  77 #define ADF_GEN4_PM_CPH_ACTIVE_COUNT_MASK       GENMASK(24, 21)
  78 #define ADF_GEN4_PM_CPH_MANAGED_COUNT_MASK      GENMASK(24, 21)
  79 #define ADF_GEN4_PM_ATH_ACTIVE_COUNT_MASK       GENMASK(28, 25)
  80 #define ADF_GEN4_PM_ATH_MANAGED_COUNT_MASK      GENMASK(28, 25)
  81
  82 int adf_gen4_enable_pm(struct adf_accel_dev *accel_dev);
  83 bool adf_gen4_handle_pm_interrupt(struct adf_accel_dev *accel_dev);
  84
  85 #ifdef CONFIG_DEBUG_FS
  86 void adf_gen4_init_dev_pm_data(struct adf_accel_dev *accel_dev);
  87 #else
  88 static inline void adf_gen4_init_dev_pm_data(struct adf_accel_dev *accel_dev)
  89 {
  90 }
  91 #endif /* CONFIG_DEBUG_FS */
  92
  93 #endif