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/* include/linux/a1026.h - a1026 voice processor driver
*
* Copyright (C) 2009 HTC Corporation.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#ifndef __LINUX_A1026_H
#define __LINUX_A1026_H
#include <linux/ioctl.h>
#include <linux/i2c.h>
#ifdef CONFIG_COMPAT
#include <linux/compat.h>
#endif
#define A1026_MAX_FW_SIZE (256*1024)
struct a1026img {
unsigned char *buf;
unsigned img_size;
};
/* indicates if a1026_set_config() performs a full configuration or only
* a voice processing algorithm configuration */
/* IOCTLs for Audience A1026 */
#define A1026_IOCTL_MAGIC 'u'
#define A1026_BOOTUP_INIT _IO(A1026_IOCTL_MAGIC, 0x01)
#define A1026_SUSPEND _IO(A1026_IOCTL_MAGIC, 0x02)
#define A1026_ENABLE_CLOCK _IO(A1026_IOCTL_MAGIC, 0x03)
#ifdef __KERNEL__
/* A1026 Command codes */
#define A100_msg_Sync 0x80000000
#define A100_msg_Sync_Ack 0x80000000
#define A100_msg_Reset 0x8002
#define RESET_IMMEDIATE 0x0000
#define RESET_DELAYED 0x0001
#define A100_msg_BootloadInitiate 0x8003
/* Set Power State */
#define A100_msg_Sleep 0x80100001
/* Audio Path Commands */
/* Bypass */
#define A100_msg_Bypass 0x801C /* 0ff = 0x0000; on = 0x0001 (Default) */
#define A1026_msg_BOOT 0x0001
#define A1026_msg_BOOT_ACK 0x01
/* general definitions */
#define TIMEOUT 20 /* ms */
#define RETRY_CNT 5
#define POLLING_RETRY_CNT 3
#define A1026_ERROR_CODE 0xffff
#define A1026_SLEEP 0
#define A1026_ACTIVE 1
#define A1026_CMD_FIFO_DEPTH 64
#define ERROR 0xffffffff
enum A1026_config_mode {
A1026_CONFIG_FULL,
A1026_CONFIG_VP
};
struct a1026_platform_data {
uint32_t gpio_a1026_wakeup;
uint32_t gpio_a1026_reset;
int (*request_resources) (struct i2c_client *client);
void (*free_resources) (struct i2c_client *client);
void (*reset) (bool state);
void (*wakeup) (bool state);
};
#endif /* __KERNEL__ */
#endif /* __LINUX_A1026_H */
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