linux/drivers/net/wwan/iosm/iosm_ipc_protocol.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (C) 2020-21 Intel Corporation.
 */

#include "iosm_ipc_imem.h"
#include "iosm_ipc_protocol.h"
#include "iosm_ipc_protocol_ops.h"
#include "iosm_ipc_pm.h"
#include "iosm_ipc_task_queue.h"

int ipc_protocol_tq_msg_send(struct iosm_protocol *ipc_protocol,
			     enum ipc_msg_prep_type msg_type,
			     union ipc_msg_prep_args *prep_args,
			     struct ipc_rsp *response)
{ … }

/* Callback for message send */
static int ipc_protocol_tq_msg_send_cb(struct iosm_imem *ipc_imem, int arg,
				       void *msg, size_t size)
{ … }

/* Remove reference to a response. This is typically used when a requestor timed
 * out and is no longer interested in the response.
 */
static int ipc_protocol_tq_msg_remove(struct iosm_imem *ipc_imem, int arg,
				      void *msg, size_t size)
{ … }

int ipc_protocol_msg_send(struct iosm_protocol *ipc_protocol,
			  enum ipc_msg_prep_type prep,
			  union ipc_msg_prep_args *prep_args)
{ … }

static int ipc_protocol_msg_send_host_sleep(struct iosm_protocol *ipc_protocol,
					    u32 state)
{ … }

void ipc_protocol_doorbell_trigger(struct iosm_protocol *ipc_protocol,
				   u32 identifier)
{ … }

bool ipc_protocol_pm_dev_sleep_handle(struct iosm_protocol *ipc_protocol)
{ … }

static int ipc_protocol_tq_wakeup_dev_slp(struct iosm_imem *ipc_imem, int arg,
					  void *msg, size_t size)
{ … }

void ipc_protocol_s2idle_sleep(struct iosm_protocol *ipc_protocol, bool sleep)
{ … }

bool ipc_protocol_suspend(struct iosm_protocol *ipc_protocol)
{ … }

bool ipc_protocol_resume(struct iosm_protocol *ipc_protocol)
{ … }

struct iosm_protocol *ipc_protocol_init(struct iosm_imem *ipc_imem)
{ … }

void ipc_protocol_deinit(struct iosm_protocol *proto)
{ … }