113e920d9SHaijun Liu /* SPDX-License-Identifier: GPL-2.0-only 213e920d9SHaijun Liu * 313e920d9SHaijun Liu * Copyright (c) 2021, MediaTek Inc. 413e920d9SHaijun Liu * Copyright (c) 2021-2022, Intel Corporation. 513e920d9SHaijun Liu * 613e920d9SHaijun Liu * Authors: 713e920d9SHaijun Liu * Haijun Liu <haijun.liu@mediatek.com> 813e920d9SHaijun Liu * Eliot Lee <eliot.lee@intel.com> 913e920d9SHaijun Liu * Moises Veleta <moises.veleta@intel.com> 1013e920d9SHaijun Liu * Ricardo Martinez <ricardo.martinez@linux.intel.com> 1113e920d9SHaijun Liu * 1213e920d9SHaijun Liu * Contributors: 1313e920d9SHaijun Liu * Amir Hanania <amir.hanania@intel.com> 1413e920d9SHaijun Liu * Chiranjeevi Rapolu <chiranjeevi.rapolu@intel.com> 1513e920d9SHaijun Liu * Sreehari Kancharla <sreehari.kancharla@intel.com> 1613e920d9SHaijun Liu */ 1713e920d9SHaijun Liu 1813e920d9SHaijun Liu #ifndef __T7XX_MODEM_OPS_H__ 1913e920d9SHaijun Liu #define __T7XX_MODEM_OPS_H__ 2013e920d9SHaijun Liu 2113e920d9SHaijun Liu #include <linux/spinlock.h> 2213e920d9SHaijun Liu #include <linux/types.h> 2313e920d9SHaijun Liu #include <linux/workqueue.h> 2413e920d9SHaijun Liu 2513e920d9SHaijun Liu #include "t7xx_hif_cldma.h" 2613e920d9SHaijun Liu #include "t7xx_pci.h" 2713e920d9SHaijun Liu 2813e920d9SHaijun Liu #define FEATURE_COUNT 64 2913e920d9SHaijun Liu 3013e920d9SHaijun Liu /** 3113e920d9SHaijun Liu * enum hif_ex_stage - HIF exception handshake stages with the HW. 3213e920d9SHaijun Liu * @HIF_EX_INIT: Disable and clear TXQ. 3313e920d9SHaijun Liu * @HIF_EX_INIT_DONE: Polling for initialization to be done. 3413e920d9SHaijun Liu * @HIF_EX_CLEARQ_DONE: Disable RX, flush TX/RX workqueues and clear RX. 3513e920d9SHaijun Liu * @HIF_EX_ALLQ_RESET: HW is back in safe mode for re-initialization and restart. 3613e920d9SHaijun Liu */ 3713e920d9SHaijun Liu enum hif_ex_stage { 3813e920d9SHaijun Liu HIF_EX_INIT, 3913e920d9SHaijun Liu HIF_EX_INIT_DONE, 4013e920d9SHaijun Liu HIF_EX_CLEARQ_DONE, 4113e920d9SHaijun Liu HIF_EX_ALLQ_RESET, 4213e920d9SHaijun Liu }; 4313e920d9SHaijun Liu 4413e920d9SHaijun Liu struct mtk_runtime_feature { 4513e920d9SHaijun Liu u8 feature_id; 4613e920d9SHaijun Liu u8 support_info; 4713e920d9SHaijun Liu u8 reserved[2]; 4813e920d9SHaijun Liu __le32 data_len; 4913e920d9SHaijun Liu __le32 data[]; 5013e920d9SHaijun Liu }; 5113e920d9SHaijun Liu 5213e920d9SHaijun Liu enum md_event_id { 5313e920d9SHaijun Liu FSM_PRE_START, 5413e920d9SHaijun Liu FSM_START, 5513e920d9SHaijun Liu FSM_READY, 5613e920d9SHaijun Liu }; 5713e920d9SHaijun Liu 5813e920d9SHaijun Liu struct t7xx_sys_info { 5913e920d9SHaijun Liu bool ready; 60da45d256SHaijun Liu bool handshake_ongoing; 61da45d256SHaijun Liu u8 feature_set[FEATURE_COUNT]; 62da45d256SHaijun Liu struct t7xx_port *ctl_port; 6313e920d9SHaijun Liu }; 6413e920d9SHaijun Liu 6513e920d9SHaijun Liu struct t7xx_modem { 6613e920d9SHaijun Liu struct cldma_ctrl *md_ctrl[CLDMA_NUM]; 6713e920d9SHaijun Liu struct t7xx_pci_dev *t7xx_dev; 6813e920d9SHaijun Liu struct t7xx_sys_info core_md; 69ba2274dcSJose Ignacio Tornos Martinez struct t7xx_sys_info core_ap; 7013e920d9SHaijun Liu bool md_init_finish; 7113e920d9SHaijun Liu bool rgu_irq_asserted; 7213e920d9SHaijun Liu struct workqueue_struct *handshake_wq; 7313e920d9SHaijun Liu struct work_struct handshake_work; 74ba2274dcSJose Ignacio Tornos Martinez struct work_struct ap_handshake_work; 7513e920d9SHaijun Liu struct t7xx_fsm_ctl *fsm_ctl; 7613e920d9SHaijun Liu struct port_proxy *port_prox; 7713e920d9SHaijun Liu unsigned int exp_id; 7813e920d9SHaijun Liu spinlock_t exp_lock; /* Protects exception events */ 7913e920d9SHaijun Liu }; 8013e920d9SHaijun Liu 81*d785ed94SJinjian Song enum reset_type { 82*d785ed94SJinjian Song FLDR, 83*d785ed94SJinjian Song PLDR, 84*d785ed94SJinjian Song FASTBOOT, 85*d785ed94SJinjian Song }; 86*d785ed94SJinjian Song 8713e920d9SHaijun Liu void t7xx_md_exception_handshake(struct t7xx_modem *md); 8813e920d9SHaijun Liu void t7xx_md_event_notify(struct t7xx_modem *md, enum md_event_id evt_id); 8913e920d9SHaijun Liu int t7xx_md_reset(struct t7xx_pci_dev *t7xx_dev); 9013e920d9SHaijun Liu int t7xx_md_init(struct t7xx_pci_dev *t7xx_dev); 9113e920d9SHaijun Liu void t7xx_md_exit(struct t7xx_pci_dev *t7xx_dev); 9213e920d9SHaijun Liu void t7xx_clear_rgu_irq(struct t7xx_pci_dev *t7xx_dev); 93*d785ed94SJinjian Song int t7xx_reset_device(struct t7xx_pci_dev *t7xx_dev, enum reset_type type); 9413e920d9SHaijun Liu int t7xx_pci_mhccif_isr(struct t7xx_pci_dev *t7xx_dev); 9513e920d9SHaijun Liu 9613e920d9SHaijun Liu #endif /* __T7XX_MODEM_OPS_H__ */ 97