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 94