[mirror_ubuntu-artful-kernel.git] / include / sound / atmel-ac97c.h

/*
 * 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 */
Commit	Line	Data
4ede028f HCE	1	/*
	2	* Driver for the Atmel AC97C controller
	3	*
	4	* Copyright (C) 2005-2009 Atmel Corporation
	5	*
	6	* This program is free software; you can redistribute it and/or modify it
	7	* under the terms of the GNU General Public License version 2 as published
	8	* by the Free Software Foundation.
	9	*/
	10	#ifndef __INCLUDE_SOUND_ATMEL_AC97C_H
	11	#define __INCLUDE_SOUND_ATMEL_AC97C_H
	12
3d598f47	13	#include <linux/platform_data/dma-dw.h>
4ede028f HCE	14
	15	#define AC97C_CAPTURE 0x01
	16	#define AC97C_PLAYBACK 0x02
	17	#define AC97C_BOTH (AC97C_CAPTURE \| AC97C_PLAYBACK)
	18
	19	/**
	20	* struct atmel_ac97c_pdata - board specific AC97C configuration
	21	* @rx_dws: DMA slave interface to use for sound capture.
	22	* @tx_dws: DMA slave interface to use for sound playback.
	23	* @reset_pin: GPIO pin wired to the reset input on the external AC97 codec,
	24	* optional to use, set to -ENODEV if not in use. AC97 layer will
	25	* try to do a software reset of the external codec anyway.
4ede028f HCE	26	*
	27	* If the user do not want to use a DMA channel for playback or capture, i.e.
	28	* only one feature is required on the board. The slave for playback or capture
	29	* can be set to NULL. The AC97C driver will take use of this when setting up
	30	* the sound streams.
	31	*/
	32	struct ac97c_platform_data {
	33	struct dw_dma_slave rx_dws;
	34	struct dw_dma_slave tx_dws;
4ede028f HCE	35	int reset_pin;
	36	};
	37
	38	#endif /* __INCLUDE_SOUND_ATMEL_AC97C_H */