linux/drivers/mailbox/platform_mhu.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (C) 2016 BayLibre SAS.
 * Author: Neil Armstrong <[email protected]>
 * Synchronised with arm_mhu.c from :
 * Copyright (C) 2013-2015 Fujitsu Semiconductor Ltd.
 * Copyright (C) 2015 Linaro Ltd.
 * Author: Jassi Brar <[email protected]>
 */

#include <linux/interrupt.h>
#include <linux/spinlock.h>
#include <linux/mutex.h>
#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/err.h>
#include <linux/io.h>
#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/mailbox_controller.h>

#define INTR_SET_OFS …
#define INTR_STAT_OFS …
#define INTR_CLR_OFS …

#define MHU_SEC_OFFSET …
#define MHU_LP_OFFSET …
#define MHU_HP_OFFSET …
#define TX_REG_OFFSET …

#define MHU_CHANS …

struct platform_mhu_link { … };

struct platform_mhu { … };

static irqreturn_t platform_mhu_rx_interrupt(int irq, void *p)
{ … }

static bool platform_mhu_last_tx_done(struct mbox_chan *chan)
{ … }

static int platform_mhu_send_data(struct mbox_chan *chan, void *data)
{ … }

static int platform_mhu_startup(struct mbox_chan *chan)
{ … }

static void platform_mhu_shutdown(struct mbox_chan *chan)
{ … }

static const struct mbox_chan_ops platform_mhu_ops = …;

static int platform_mhu_probe(struct platform_device *pdev)
{ … }

static const struct of_device_id platform_mhu_dt_ids[] = …;
MODULE_DEVICE_TABLE(of, platform_mhu_dt_ids);

static struct platform_driver platform_mhu_driver = …;

module_platform_driver(…) …;

MODULE_LICENSE(…) …;
MODULE_ALIAS(…) …;
MODULE_DESCRIPTION(…) …;
MODULE_AUTHOR(…) …;