linux/drivers/net/wwan/t7xx/t7xx_cldma.c

// 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]>
 *
 * Contributors:
 *  Amir Hanania <[email protected]>
 *  Andy Shevchenko <[email protected]>
 *  Eliot Lee <[email protected]>
 *  Sreehari Kancharla <[email protected]>
 */

#include <linux/bits.h>
#include <linux/delay.h>
#include <linux/io.h>
#include <linux/io-64-nonatomic-lo-hi.h>
#include <linux/types.h>

#include "t7xx_cldma.h"

#define ADDR_SIZE …

void t7xx_cldma_clear_ip_busy(struct t7xx_cldma_hw *hw_info)
{ … }

/**
 * t7xx_cldma_hw_restore() - Restore CLDMA HW registers.
 * @hw_info: Pointer to struct t7xx_cldma_hw.
 *
 * Restore HW after resume. Writes uplink configuration for CLDMA HW.
 */
void t7xx_cldma_hw_restore(struct t7xx_cldma_hw *hw_info)
{ … }

void t7xx_cldma_hw_start_queue(struct t7xx_cldma_hw *hw_info, unsigned int qno,
			       enum mtk_txrx tx_rx)
{ … }

void t7xx_cldma_hw_start(struct t7xx_cldma_hw *hw_info)
{ … }

void t7xx_cldma_hw_reset(void __iomem *ao_base)
{ … }

bool t7xx_cldma_tx_addr_is_set(struct t7xx_cldma_hw *hw_info, unsigned int qno)
{ … }

void t7xx_cldma_hw_set_start_addr(struct t7xx_cldma_hw *hw_info, unsigned int qno, u64 address,
				  enum mtk_txrx tx_rx)
{ … }

void t7xx_cldma_hw_resume_queue(struct t7xx_cldma_hw *hw_info, unsigned int qno,
				enum mtk_txrx tx_rx)
{ … }

unsigned int t7xx_cldma_hw_queue_status(struct t7xx_cldma_hw *hw_info, unsigned int qno,
					enum mtk_txrx tx_rx)
{ … }

void t7xx_cldma_hw_tx_done(struct t7xx_cldma_hw *hw_info, unsigned int bitmask)
{ … }

void t7xx_cldma_hw_rx_done(struct t7xx_cldma_hw *hw_info, unsigned int bitmask)
{ … }

unsigned int t7xx_cldma_hw_int_status(struct t7xx_cldma_hw *hw_info, unsigned int bitmask,
				      enum mtk_txrx tx_rx)
{ … }

void t7xx_cldma_hw_irq_dis_txrx(struct t7xx_cldma_hw *hw_info, unsigned int qno,
				enum mtk_txrx tx_rx)
{ … }

void t7xx_cldma_hw_irq_dis_eq(struct t7xx_cldma_hw *hw_info, unsigned int qno, enum mtk_txrx tx_rx)
{ … }

void t7xx_cldma_hw_irq_en_txrx(struct t7xx_cldma_hw *hw_info, unsigned int qno,
			       enum mtk_txrx tx_rx)
{ … }

void t7xx_cldma_hw_irq_en_eq(struct t7xx_cldma_hw *hw_info, unsigned int qno, enum mtk_txrx tx_rx)
{ … }

/**
 * t7xx_cldma_hw_init() - Initialize CLDMA HW.
 * @hw_info: Pointer to struct t7xx_cldma_hw.
 *
 * Write uplink and downlink configuration to CLDMA HW.
 */
void t7xx_cldma_hw_init(struct t7xx_cldma_hw *hw_info)
{ … }

void t7xx_cldma_hw_stop_all_qs(struct t7xx_cldma_hw *hw_info, enum mtk_txrx tx_rx)
{ … }

void t7xx_cldma_hw_stop(struct t7xx_cldma_hw *hw_info, enum mtk_txrx tx_rx)
{ … }