1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * AMD Platform Security Processor (PSP) interface driver 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Copyright (C) 2017-2019 Advanced Micro Devices, Inc. 6*4882a593Smuzhiyun * 7*4882a593Smuzhiyun * Author: Brijesh Singh <brijesh.singh@amd.com> 8*4882a593Smuzhiyun */ 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun #ifndef __PSP_DEV_H__ 11*4882a593Smuzhiyun #define __PSP_DEV_H__ 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun #include <linux/device.h> 14*4882a593Smuzhiyun #include <linux/list.h> 15*4882a593Smuzhiyun #include <linux/bits.h> 16*4882a593Smuzhiyun #include <linux/interrupt.h> 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun #include "sp-dev.h" 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun #define PSP_CMDRESP_RESP BIT(31) 21*4882a593Smuzhiyun #define PSP_CMDRESP_ERR_MASK 0xffff 22*4882a593Smuzhiyun 23*4882a593Smuzhiyun #define MAX_PSP_NAME_LEN 16 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun extern struct psp_device *psp_master; 26*4882a593Smuzhiyun 27*4882a593Smuzhiyun typedef void (*psp_irq_handler_t)(int, void *, unsigned int); 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun struct psp_device { 30*4882a593Smuzhiyun struct list_head entry; 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun struct psp_vdata *vdata; 33*4882a593Smuzhiyun char name[MAX_PSP_NAME_LEN]; 34*4882a593Smuzhiyun 35*4882a593Smuzhiyun struct device *dev; 36*4882a593Smuzhiyun struct sp_device *sp; 37*4882a593Smuzhiyun 38*4882a593Smuzhiyun void __iomem *io_regs; 39*4882a593Smuzhiyun 40*4882a593Smuzhiyun psp_irq_handler_t sev_irq_handler; 41*4882a593Smuzhiyun void *sev_irq_data; 42*4882a593Smuzhiyun 43*4882a593Smuzhiyun psp_irq_handler_t tee_irq_handler; 44*4882a593Smuzhiyun void *tee_irq_data; 45*4882a593Smuzhiyun 46*4882a593Smuzhiyun void *sev_data; 47*4882a593Smuzhiyun void *tee_data; 48*4882a593Smuzhiyun }; 49*4882a593Smuzhiyun 50*4882a593Smuzhiyun void psp_set_sev_irq_handler(struct psp_device *psp, psp_irq_handler_t handler, 51*4882a593Smuzhiyun void *data); 52*4882a593Smuzhiyun void psp_clear_sev_irq_handler(struct psp_device *psp); 53*4882a593Smuzhiyun 54*4882a593Smuzhiyun void psp_set_tee_irq_handler(struct psp_device *psp, psp_irq_handler_t handler, 55*4882a593Smuzhiyun void *data); 56*4882a593Smuzhiyun void psp_clear_tee_irq_handler(struct psp_device *psp); 57*4882a593Smuzhiyun 58*4882a593Smuzhiyun struct psp_device *psp_get_master_device(void); 59*4882a593Smuzhiyun 60*4882a593Smuzhiyun #endif /* __PSP_DEV_H */ 61