diff options
Diffstat (limited to 'drivers/crypto/intel/qat/qat_common/adf_gen4_pm.h')
| -rw-r--r-- | drivers/crypto/intel/qat/qat_common/adf_gen4_pm.h | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/drivers/crypto/intel/qat/qat_common/adf_gen4_pm.h b/drivers/crypto/intel/qat/qat_common/adf_gen4_pm.h new file mode 100644 index 000000000000..a49352b79a7a --- /dev/null +++ b/drivers/crypto/intel/qat/qat_common/adf_gen4_pm.h @@ -0,0 +1,93 @@ +/* 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 <linux/bits.h> + +struct adf_accel_dev; + +enum qat_pm_host_msg { + PM_NO_CHANGE = 0, + PM_SET_MIN, +}; + +/* 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) +#define ADF_GEN4_PM_DEFAULT_IDLE_SUPPORT (0x1) + +/* PM CSRs fields masks */ +#define ADF_GEN4_PM_DOMAIN_POWER_GATED_MASK GENMASK(15, 0) +#define ADF_GEN4_PM_SSM_PM_ENABLE_MASK GENMASK(15, 0) +#define ADF_GEN4_PM_IDLE_FILTER_MASK GENMASK(5, 3) +#define ADF_GEN4_PM_IDLE_ENABLE_MASK BIT(2) +#define ADF_GEN4_PM_ENABLE_PM_MASK BIT(21) +#define ADF_GEN4_PM_ENABLE_PM_IDLE_MASK BIT(22) +#define ADF_GEN4_PM_ENABLE_DEEP_PM_IDLE_MASK BIT(23) +#define ADF_GEN4_PM_CURRENT_WP_MASK GENMASK(19, 11) +#define ADF_GEN4_PM_CPM_PM_STATE_MASK GENMASK(22, 20) +#define ADF_GEN4_PM_PENDING_WP_MASK GENMASK(31, 23) +#define ADF_GEN4_PM_THR_VALUE_MASK GENMASK(6, 4) +#define ADF_GEN4_PM_MIN_PWR_ACK_MASK BIT(7) +#define ADF_GEN4_PM_MIN_PWR_ACK_PENDING_MASK BIT(17) +#define ADF_GEN4_PM_CPR_ACTIVE_COUNT_MASK BIT(0) +#define ADF_GEN4_PM_CPR_MANAGED_COUNT_MASK BIT(0) +#define ADF_GEN4_PM_XLT_ACTIVE_COUNT_MASK BIT(1) +#define ADF_GEN4_PM_XLT_MANAGED_COUNT_MASK BIT(1) +#define ADF_GEN4_PM_DCPR_ACTIVE_COUNT_MASK GENMASK(3, 2) +#define ADF_GEN4_PM_DCPR_MANAGED_COUNT_MASK GENMASK(3, 2) +#define ADF_GEN4_PM_PKE_ACTIVE_COUNT_MASK GENMASK(8, 4) +#define ADF_GEN4_PM_PKE_MANAGED_COUNT_MASK GENMASK(8, 4) +#define ADF_GEN4_PM_WAT_ACTIVE_COUNT_MASK GENMASK(13, 9) +#define ADF_GEN4_PM_WAT_MANAGED_COUNT_MASK GENMASK(13, 9) +#define ADF_GEN4_PM_WCP_ACTIVE_COUNT_MASK GENMASK(18, 14) +#define ADF_GEN4_PM_WCP_MANAGED_COUNT_MASK GENMASK(18, 14) +#define ADF_GEN4_PM_UCS_ACTIVE_COUNT_MASK GENMASK(20, 19) +#define ADF_GEN4_PM_UCS_MANAGED_COUNT_MASK GENMASK(20, 19) +#define ADF_GEN4_PM_CPH_ACTIVE_COUNT_MASK GENMASK(24, 21) +#define ADF_GEN4_PM_CPH_MANAGED_COUNT_MASK GENMASK(24, 21) +#define ADF_GEN4_PM_ATH_ACTIVE_COUNT_MASK GENMASK(28, 25) +#define ADF_GEN4_PM_ATH_MANAGED_COUNT_MASK GENMASK(28, 25) + +int adf_gen4_enable_pm(struct adf_accel_dev *accel_dev); +bool adf_gen4_handle_pm_interrupt(struct adf_accel_dev *accel_dev); + +#ifdef CONFIG_DEBUG_FS +void adf_gen4_init_dev_pm_data(struct adf_accel_dev *accel_dev); +#else +static inline void adf_gen4_init_dev_pm_data(struct adf_accel_dev *accel_dev) +{ +} +#endif /* CONFIG_DEBUG_FS */ + +#endif |