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/* SPDX-License-Identifier: GPL-2.0-only
*
* Copyright (c) 2021, MediaTek Inc.
* Copyright (c) 2021-2022, Intel Corporation.
*
* Authors:
* Haijun Liu <haijun.liu@mediatek.com>
* Eliot Lee <eliot.lee@intel.com>
* Moises Veleta <moises.veleta@intel.com>
* Ricardo Martinez <ricardo.martinez@linux.intel.com>
*
* Contributors:
* Amir Hanania <amir.hanania@intel.com>
* Chiranjeevi Rapolu <chiranjeevi.rapolu@intel.com>
* Sreehari Kancharla <sreehari.kancharla@intel.com>
*/
#ifndef __T7XX_MODEM_OPS_H__
#define __T7XX_MODEM_OPS_H__
#include <linux/spinlock.h>
#include <linux/types.h>
#include <linux/workqueue.h>
#include "t7xx_hif_cldma.h"
#include "t7xx_pci.h"
#define FEATURE_COUNT 64
/**
* enum hif_ex_stage - HIF exception handshake stages with the HW.
* @HIF_EX_INIT: Disable and clear TXQ.
* @HIF_EX_INIT_DONE: Polling for initialization to be done.
* @HIF_EX_CLEARQ_DONE: Disable RX, flush TX/RX workqueues and clear RX.
* @HIF_EX_ALLQ_RESET: HW is back in safe mode for re-initialization and restart.
*/
enum hif_ex_stage {
HIF_EX_INIT,
HIF_EX_INIT_DONE,
HIF_EX_CLEARQ_DONE,
HIF_EX_ALLQ_RESET,
};
struct mtk_runtime_feature {
u8 feature_id;
u8 support_info;
u8 reserved[2];
__le32 data_len;
__le32 data[];
};
enum md_event_id {
FSM_PRE_START,
FSM_START,
FSM_READY,
};
struct t7xx_sys_info {
bool ready;
bool handshake_ongoing;
u8 feature_set[FEATURE_COUNT];
struct t7xx_port *ctl_port;
};
struct t7xx_modem {
struct cldma_ctrl *md_ctrl[CLDMA_NUM];
struct t7xx_pci_dev *t7xx_dev;
struct t7xx_sys_info core_md;
bool md_init_finish;
bool rgu_irq_asserted;
struct workqueue_struct *handshake_wq;
struct work_struct handshake_work;
struct t7xx_fsm_ctl *fsm_ctl;
struct port_proxy *port_prox;
unsigned int exp_id;
spinlock_t exp_lock; /* Protects exception events */
};
void t7xx_md_exception_handshake(struct t7xx_modem *md);
void t7xx_md_event_notify(struct t7xx_modem *md, enum md_event_id evt_id);
int t7xx_md_reset(struct t7xx_pci_dev *t7xx_dev);
int t7xx_md_init(struct t7xx_pci_dev *t7xx_dev);
void t7xx_md_exit(struct t7xx_pci_dev *t7xx_dev);
void t7xx_clear_rgu_irq(struct t7xx_pci_dev *t7xx_dev);
int t7xx_acpi_fldr_func(struct t7xx_pci_dev *t7xx_dev);
int t7xx_pci_mhccif_isr(struct t7xx_pci_dev *t7xx_dev);
#endif /* __T7XX_MODEM_OPS_H__ */
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