1 /* SPDX-License-Identifier: GPL-2.0-only 2 * 3 * Copyright (C) 2020-21 Intel Corporation. 4 */ 5 6 #ifndef IOSM_IPC_IRQ_H 7 #define IOSM_IPC_IRQ_H 8 9 struct iosm_pcie; 10 11 /** 12 * ipc_doorbell_fire - fire doorbell to CP 13 * @ipc_pcie: Pointer to iosm_pcie 14 * @irq_n: Doorbell type 15 * @data: ipc state 16 */ 17 void ipc_doorbell_fire(struct iosm_pcie *ipc_pcie, int irq_n, u32 data); 18 19 /** 20 * ipc_release_irq - Release the IRQ handler. 21 * @ipc_pcie: Pointer to iosm_pcie struct 22 */ 23 void ipc_release_irq(struct iosm_pcie *ipc_pcie); 24 25 /** 26 * ipc_acquire_irq - acquire IRQ & register IRQ handler. 27 * @ipc_pcie: Pointer to iosm_pcie struct 28 * 29 * Return: 0 on success and failure value on error 30 */ 31 int ipc_acquire_irq(struct iosm_pcie *ipc_pcie); 32 33 #endif 34