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/* drivers/staging/dream/include/linux/msm_adsp.h
*
* Copyright (c) QUALCOMM Incorporated
* Copyright (C) 2007 Google, Inc.
* Author: Iliyan Malchev <ibm@android.com>
*
* 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_MSM_ADSP_H
#define __LINUX_MSM_ADSP_H
#include <linux/types.h>
#include <linux/ioctl.h>
#define ADSP_IOCTL_MAGIC 'q'
/* ADSP_IOCTL_WRITE_COMMAND */
struct adsp_command_t {
uint16_t queue;
uint32_t len; /* bytes */
uint8_t *data;
};
/* ADSP_IOCTL_GET_EVENT */
struct adsp_event_t {
uint16_t type; /* 1 == event (RPC), 0 == message (adsp) */
uint32_t timeout_ms; /* -1 for infinite, 0 for immediate return */
uint16_t msg_id;
uint16_t flags; /* 1 == 16--bit event, 0 == 32-bit event */
uint32_t len; /* size in, number of bytes out */
uint8_t *data;
};
#define ADSP_IOCTL_ENABLE \
_IOR(ADSP_IOCTL_MAGIC, 1, unsigned)
#define ADSP_IOCTL_DISABLE \
_IOR(ADSP_IOCTL_MAGIC, 2, unsigned)
#define ADSP_IOCTL_DISABLE_ACK \
_IOR(ADSP_IOCTL_MAGIC, 3, unsigned)
#define ADSP_IOCTL_WRITE_COMMAND \
_IOR(ADSP_IOCTL_MAGIC, 4, struct adsp_command_t *)
#define ADSP_IOCTL_GET_EVENT \
_IOWR(ADSP_IOCTL_MAGIC, 5, struct adsp_event_data_t *)
#define ADSP_IOCTL_SET_CLKRATE \
_IOR(ADSP_IOCTL_MAGIC, 6, unsigned)
#define ADSP_IOCTL_DISABLE_EVENT_RSP \
_IOR(ADSP_IOCTL_MAGIC, 10, unsigned)
struct adsp_pmem_info {
int fd;
void *vaddr;
};
#define ADSP_IOCTL_REGISTER_PMEM \
_IOW(ADSP_IOCTL_MAGIC, 13, unsigned)
#define ADSP_IOCTL_UNREGISTER_PMEM \
_IOW(ADSP_IOCTL_MAGIC, 14, unsigned)
/* Cause any further GET_EVENT ioctls to fail (-ENODEV)
* until the device is closed and reopened. Useful for
* terminating event dispatch threads
*/
#define ADSP_IOCTL_ABORT_EVENT_READ \
_IOW(ADSP_IOCTL_MAGIC, 15, unsigned)
#define ADSP_IOCTL_LINK_TASK \
_IOW(ADSP_IOCTL_MAGIC, 16, unsigned)
#endif
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