18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-only */ 28c2ecf20Sopenharmony_ci/* 38c2ecf20Sopenharmony_ci * AMD Platform Security Processor (PSP) interface driver 48c2ecf20Sopenharmony_ci * 58c2ecf20Sopenharmony_ci * Copyright (C) 2017-2019 Advanced Micro Devices, Inc. 68c2ecf20Sopenharmony_ci * 78c2ecf20Sopenharmony_ci * Author: Brijesh Singh <brijesh.singh@amd.com> 88c2ecf20Sopenharmony_ci */ 98c2ecf20Sopenharmony_ci 108c2ecf20Sopenharmony_ci#ifndef __PSP_DEV_H__ 118c2ecf20Sopenharmony_ci#define __PSP_DEV_H__ 128c2ecf20Sopenharmony_ci 138c2ecf20Sopenharmony_ci#include <linux/device.h> 148c2ecf20Sopenharmony_ci#include <linux/list.h> 158c2ecf20Sopenharmony_ci#include <linux/bits.h> 168c2ecf20Sopenharmony_ci#include <linux/interrupt.h> 178c2ecf20Sopenharmony_ci 188c2ecf20Sopenharmony_ci#include "sp-dev.h" 198c2ecf20Sopenharmony_ci 208c2ecf20Sopenharmony_ci#define PSP_CMDRESP_RESP BIT(31) 218c2ecf20Sopenharmony_ci#define PSP_CMDRESP_ERR_MASK 0xffff 228c2ecf20Sopenharmony_ci 238c2ecf20Sopenharmony_ci#define MAX_PSP_NAME_LEN 16 248c2ecf20Sopenharmony_ci 258c2ecf20Sopenharmony_ciextern struct psp_device *psp_master; 268c2ecf20Sopenharmony_ci 278c2ecf20Sopenharmony_citypedef void (*psp_irq_handler_t)(int, void *, unsigned int); 288c2ecf20Sopenharmony_ci 298c2ecf20Sopenharmony_cistruct psp_device { 308c2ecf20Sopenharmony_ci struct list_head entry; 318c2ecf20Sopenharmony_ci 328c2ecf20Sopenharmony_ci struct psp_vdata *vdata; 338c2ecf20Sopenharmony_ci char name[MAX_PSP_NAME_LEN]; 348c2ecf20Sopenharmony_ci 358c2ecf20Sopenharmony_ci struct device *dev; 368c2ecf20Sopenharmony_ci struct sp_device *sp; 378c2ecf20Sopenharmony_ci 388c2ecf20Sopenharmony_ci void __iomem *io_regs; 398c2ecf20Sopenharmony_ci 408c2ecf20Sopenharmony_ci psp_irq_handler_t sev_irq_handler; 418c2ecf20Sopenharmony_ci void *sev_irq_data; 428c2ecf20Sopenharmony_ci 438c2ecf20Sopenharmony_ci psp_irq_handler_t tee_irq_handler; 448c2ecf20Sopenharmony_ci void *tee_irq_data; 458c2ecf20Sopenharmony_ci 468c2ecf20Sopenharmony_ci void *sev_data; 478c2ecf20Sopenharmony_ci void *tee_data; 488c2ecf20Sopenharmony_ci}; 498c2ecf20Sopenharmony_ci 508c2ecf20Sopenharmony_civoid psp_set_sev_irq_handler(struct psp_device *psp, psp_irq_handler_t handler, 518c2ecf20Sopenharmony_ci void *data); 528c2ecf20Sopenharmony_civoid psp_clear_sev_irq_handler(struct psp_device *psp); 538c2ecf20Sopenharmony_ci 548c2ecf20Sopenharmony_civoid psp_set_tee_irq_handler(struct psp_device *psp, psp_irq_handler_t handler, 558c2ecf20Sopenharmony_ci void *data); 568c2ecf20Sopenharmony_civoid psp_clear_tee_irq_handler(struct psp_device *psp); 578c2ecf20Sopenharmony_ci 588c2ecf20Sopenharmony_cistruct psp_device *psp_get_master_device(void); 598c2ecf20Sopenharmony_ci 608c2ecf20Sopenharmony_ci#endif /* __PSP_DEV_H */ 61