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- /* SPDX-License-Identifier: GPL-2.0 */
- /*
- * Copyright (c) 2013-2016, Intel Corporation. All rights reserved.
- * Intel Management Engine Interface (Intel MEI) Linux driver
- */
- #ifndef _MEI_HW_TXE_H_
- #define _MEI_HW_TXE_H_
- #include <linux/irqreturn.h>
- #include "hw.h"
- #include "hw-txe-regs.h"
- #define MEI_TXI_RPM_TIMEOUT 500 /* ms */
- /* Flatten Hierarchy interrupt cause */
- #define TXE_INTR_READINESS_BIT 0 /* HISR_INT_0_STS */
- #define TXE_INTR_READINESS HISR_INT_0_STS
- #define TXE_INTR_ALIVENESS_BIT 1 /* HISR_INT_1_STS */
- #define TXE_INTR_ALIVENESS HISR_INT_1_STS
- #define TXE_INTR_OUT_DB_BIT 2 /* HISR_INT_2_STS */
- #define TXE_INTR_OUT_DB HISR_INT_2_STS
- #define TXE_INTR_IN_READY_BIT 8 /* beyond HISR */
- #define TXE_INTR_IN_READY BIT(8)
- /**
- * struct mei_txe_hw - txe hardware specifics
- *
- * @mem_addr: SeC and BRIDGE bars
- * @aliveness: aliveness (power gating) state of the hardware
- * @readiness: readiness state of the hardware
- * @slots: number of empty slots
- * @wait_aliveness_resp: aliveness wait queue
- * @intr_cause: translated interrupt cause
- */
- struct mei_txe_hw {
- void __iomem * const *mem_addr;
- u32 aliveness;
- u32 readiness;
- u32 slots;
- wait_queue_head_t wait_aliveness_resp;
- unsigned long intr_cause;
- };
- #define to_txe_hw(dev) (struct mei_txe_hw *)((dev)->hw)
- static inline struct mei_device *hw_txe_to_mei(struct mei_txe_hw *hw)
- {
- return container_of((void *)hw, struct mei_device, hw);
- }
- struct mei_device *mei_txe_dev_init(struct pci_dev *pdev);
- irqreturn_t mei_txe_irq_quick_handler(int irq, void *dev_id);
- irqreturn_t mei_txe_irq_thread_handler(int irq, void *dev_id);
- int mei_txe_aliveness_set_sync(struct mei_device *dev, u32 req);
- int mei_txe_setup_satt2(struct mei_device *dev, phys_addr_t addr, u32 range);
- #endif /* _MEI_HW_TXE_H_ */
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