linux/sound/pci/asihpi/hpimsginit.c

// SPDX-License-Identifier: GPL-2.0-only
/******************************************************************************

    AudioScience HPI driver
    Copyright (C) 1997-2014  AudioScience Inc. <[email protected]>


 Hardware Programming Interface (HPI) Utility functions.

 (C) Copyright AudioScience Inc. 2007
*******************************************************************************/

#include "hpi_internal.h"
#include "hpimsginit.h"
#include <linux/nospec.h>

/* The actual message size for each object type */
static u16 msg_size[HPI_OBJ_MAXINDEX + 1] = …;
/* The actual response size for each object type */
static u16 res_size[HPI_OBJ_MAXINDEX + 1] = …;
/* Flag to enable alternate message type for SSX2 bypass. */
static u16 gwSSX2_bypass;

/** \internal
  * initialize the HPI message structure
  */
static void hpi_init_message(struct hpi_message *phm, u16 object,
	u16 function)
{ … }

/** \internal
  * initialize the HPI response structure
  */
void hpi_init_response(struct hpi_response *phr, u16 object, u16 function,
	u16 error)
{ … }

void hpi_init_message_response(struct hpi_message *phm,
	struct hpi_response *phr, u16 object, u16 function)
{ … }

static void hpi_init_messageV1(struct hpi_message_header *phm, u16 size,
	u16 object, u16 function)
{ … }

void hpi_init_responseV1(struct hpi_response_header *phr, u16 size,
	u16 object, u16 function)
{ … }

void hpi_init_message_responseV1(struct hpi_message_header *phm, u16 msg_size,
	struct hpi_response_header *phr, u16 res_size, u16 object,
	u16 function)
{ … }