linux/include/sound/atmel-ac97c.h
Andy Shevchenko 3d598f47e8 dmaengine: dw: move dw_dmac.h to where it belongs to
There is a common storage for platform data related structures and definitions
inside kernel source tree. The patch moves file from include/linux to
include/linux/platform_data and renames it acoordingly. The users are also
updated.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
[For the arch/avr32/.* and .*sound/atmel.*]
Acked-by: Hans-Christian Egtvedt <egtvedt@samfundet.no>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2014-09-11 11:48:12 +05:30

39 lines
1.3 KiB
C

/*
* Driver for the Atmel AC97C controller
*
* Copyright (C) 2005-2009 Atmel Corporation
*
* This program 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.
*/
#ifndef __INCLUDE_SOUND_ATMEL_AC97C_H
#define __INCLUDE_SOUND_ATMEL_AC97C_H
#include <linux/platform_data/dma-dw.h>
#define AC97C_CAPTURE 0x01
#define AC97C_PLAYBACK 0x02
#define AC97C_BOTH (AC97C_CAPTURE | AC97C_PLAYBACK)
/**
* struct atmel_ac97c_pdata - board specific AC97C configuration
* @rx_dws: DMA slave interface to use for sound capture.
* @tx_dws: DMA slave interface to use for sound playback.
* @reset_pin: GPIO pin wired to the reset input on the external AC97 codec,
* optional to use, set to -ENODEV if not in use. AC97 layer will
* try to do a software reset of the external codec anyway.
*
* If the user do not want to use a DMA channel for playback or capture, i.e.
* only one feature is required on the board. The slave for playback or capture
* can be set to NULL. The AC97C driver will take use of this when setting up
* the sound streams.
*/
struct ac97c_platform_data {
struct dw_dma_slave rx_dws;
struct dw_dma_slave tx_dws;
int reset_pin;
};
#endif /* __INCLUDE_SOUND_ATMEL_AC97C_H */