| /* |
| * dspdrv.h |
| * |
| * DSP-BIOS Bridge driver support functions for TI OMAP processors. |
| * |
| * This is the Stream Interface for the DSp API. |
| * All Device operations are performed via DeviceIOControl. |
| * |
| * Copyright (C) 2005-2006 Texas Instruments, Inc. |
| * |
| * This package is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| * |
| * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED |
| * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. |
| */ |
| |
| #if !defined _DSPDRV_H_ |
| #define _DSPDRV_H_ |
| |
| #define MAX_DEV 10 /* Max support of 10 devices */ |
| |
| /* |
| * ======== dsp_deinit ======== |
| * Purpose: |
| * This function is called by Device Manager to de-initialize a device. |
| * This function is not called by applications. |
| * Parameters: |
| * device_context:Handle to the device context. The XXX_Init function |
| * creates and returns this identifier. |
| * Returns: |
| * TRUE indicates the device successfully de-initialized. Otherwise it |
| * returns FALSE. |
| * Requires: |
| * device_context!= NULL. For a built in device this should never |
| * get called. |
| * Ensures: |
| */ |
| extern bool dsp_deinit(u32 device_context); |
| |
| /* |
| * ======== dsp_init ======== |
| * Purpose: |
| * This function is called by Device Manager to initialize a device. |
| * This function is not called by applications |
| * Parameters: |
| * dw_context: Specifies a pointer to a string containing the registry |
| * path to the active key for the stream interface driver. |
| * HKEY_LOCAL_MACHINE\Drivers\Active |
| * Returns: |
| * Returns a handle to the device context created. This is the our actual |
| * Device Object representing the DSP Device instance. |
| * Requires: |
| * Ensures: |
| * Succeeded: device context > 0 |
| * Failed: device Context = 0 |
| */ |
| extern u32 dsp_init(u32 *init_status); |
| |
| #endif |
