uapi: wcd-spi-ac: add interface for client driver

header-y += msm_audio_g711.h

header-y += msm_audio_g711_dec.h

header-y += mfd/

header-y += wcd-spi-ac-params.h

#ifndef __UAPI_WCD_SPI_AC_PARAMS_H__

#define __UAPI_WCD_SPI_AC_PARAMS_H__

#include <linux/types.h>

#define WCD_SPI_AC_CMD_CONC_BEGIN	0x01

#define WCD_SPI_AC_CMD_CONC_END		0x02

#define WCD_SPI_AC_CMD_BUF_DATA		0x03

#define WCD_SPI_AC_MAX_BUFFERS		2

#define WCD_SPI_AC_MAX_CH_PER_BUF	8

#define WCD_SPI_AC_CLIENT_CDEV_NAME	"wcd-spi-ac-client"

#define WCD_SPI_AC_PROCFS_DIR_NAME	"wcd-spi-ac"

#define WCD_SPI_AC_PROCFS_STATE_NAME	"svc-state"

/*

 * wcd_spi_ac_buf_data:

 *	Buffer address for one buffer. Should have data

 *	for all the channels. If channels are unused, the

 *	value must be NULL.

 *

 * @addr:

 *	Address where each channel of the buffer starts.

 */

struct wcd_spi_ac_buf_data {

	__u32 addr[WCD_SPI_AC_MAX_CH_PER_BUF];

} __packed;

/*

 * wcd_spi_ac_write_cmd:

 *	Data sent to the driver's write interface should

 *	be packed in this format.

 *

 * @cmd_type:

 *	Indicates the type of command that is sent. Should

 *	be one of the valid commands defined with

 *	WCD_SPI_AC_CMD_*

 * @payload:

 *	No payload for:

 *		WCD_SPI_AC_CMD_CONC_BEGIN

 *		WCD_SPI_AC_CMD_CONC_END

 *	Upto WCD_SPI_AC_MAX_BUFFERS of type

 *	struct wcd_spi_ac_buf_data for:

 *		WCD_SPI_AC_CMD_BUF_DATA

 */

struct wcd_spi_ac_write_cmd {

	__u32 cmd_type;

	__u8 payload[0];

} __packed;

#endif /* end of __UAPI_WCD_SPI_AC_PARAMS_H__ */