linux/drivers/net/wwan/t7xx/t7xx_hif_cldma.h

/* SPDX-License-Identifier: GPL-2.0-only
 *
 * Copyright (c) 2021, MediaTek Inc.
 * Copyright (c) 2021-2022, Intel Corporation.
 *
 * Authors:
 *  Haijun Liu <[email protected]>
 *  Moises Veleta <[email protected]>
 *  Ricardo Martinez <[email protected]>
 *  Sreehari Kancharla <[email protected]>
 *
 * Contributors:
 *  Amir Hanania <[email protected]>
 *  Chiranjeevi Rapolu <[email protected]>
 *  Eliot Lee <[email protected]>
 */

#ifndef __T7XX_HIF_CLDMA_H__
#define __T7XX_HIF_CLDMA_H__

#include <linux/bits.h>
#include <linux/device.h>
#include <linux/dmapool.h>
#include <linux/pci.h>
#include <linux/skbuff.h>
#include <linux/spinlock.h>
#include <linux/wait.h>
#include <linux/workqueue.h>
#include <linux/types.h>

#include "t7xx_cldma.h"
#include "t7xx_pci.h"

#define CLDMA_JUMBO_BUFF_SZ …
#define CLDMA_SHARED_Q_BUFF_SZ …
#define CLDMA_DEDICATED_Q_BUFF_SZ …

/**
 * enum cldma_id - Identifiers for CLDMA HW units.
 * @CLDMA_ID_MD: Modem control channel.
 * @CLDMA_ID_AP: Application Processor control channel.
 * @CLDMA_NUM:   Number of CLDMA HW units available.
 */
enum cldma_id { … };

struct cldma_gpd { … };

enum cldma_cfg { … };

struct cldma_request { … };

struct cldma_ring { … };

struct cldma_queue { … };

struct cldma_ctrl { … };

#define CLDMA_Q_IDX_DUMP …
#define GPD_FLAGS_HWO …
#define GPD_FLAGS_IOC …
#define GPD_DMAPOOL_ALIGN …

int t7xx_cldma_alloc(enum cldma_id hif_id, struct t7xx_pci_dev *t7xx_dev);
void t7xx_cldma_hif_hw_init(struct cldma_ctrl *md_ctrl);
int t7xx_cldma_init(struct cldma_ctrl *md_ctrl);
void t7xx_cldma_exit(struct cldma_ctrl *md_ctrl);
void t7xx_cldma_switch_cfg(struct cldma_ctrl *md_ctrl, enum cldma_cfg cfg_id);
void t7xx_cldma_start(struct cldma_ctrl *md_ctrl);
int t7xx_cldma_stop(struct cldma_ctrl *md_ctrl);
void t7xx_cldma_reset(struct cldma_ctrl *md_ctrl);
void t7xx_cldma_set_recv_skb(struct cldma_queue *queue,
			     int (*recv_skb)(struct cldma_queue *queue, struct sk_buff *skb));
int t7xx_cldma_send_skb(struct cldma_ctrl *md_ctrl, int qno, struct sk_buff *skb);
void t7xx_cldma_stop_all_qs(struct cldma_ctrl *md_ctrl, enum mtk_txrx tx_rx);
void t7xx_cldma_clear_all_qs(struct cldma_ctrl *md_ctrl, enum mtk_txrx tx_rx);

#endif /* __T7XX_HIF_CLDMA_H__ */