diff options
Diffstat (limited to 'drivers/staging/tidspbridge/include/dspbridge/dspdrv.h')
-rw-r--r-- | drivers/staging/tidspbridge/include/dspbridge/dspdrv.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/drivers/staging/tidspbridge/include/dspbridge/dspdrv.h b/drivers/staging/tidspbridge/include/dspbridge/dspdrv.h new file mode 100644 index 0000000..0bb250f --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/dspdrv.h @@ -0,0 +1,62 @@ +/* + * 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 |