85 lines
2.2 KiB
C
85 lines
2.2 KiB
C
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/* include/linux/msm_adsp.h
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*
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* Copyright (c) QUALCOMM Incorporated
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* Copyright (C) 2007 Google, Inc.
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* Author: Iliyan Malchev <ibm@android.com>
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#ifndef __LINUX_MSM_ADSP_H
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#define __LINUX_MSM_ADSP_H
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#include <linux/types.h>
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#include <linux/ioctl.h>
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#define ADSP_IOCTL_MAGIC 'q'
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/* ADSP_IOCTL_WRITE_COMMAND */
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struct adsp_command_t {
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uint16_t queue;
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uint32_t len; /* bytes */
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uint8_t *data;
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};
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/* ADSP_IOCTL_GET_EVENT */
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struct adsp_event_t {
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uint16_t type; /* 1 == event (RPC), 0 == message (adsp) */
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uint32_t timeout_ms; /* -1 for infinite, 0 for immediate return */
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uint16_t msg_id;
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uint16_t flags; /* 1 == 16--bit event, 0 == 32-bit event */
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uint32_t len; /* size in, number of bytes out */
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uint8_t *data;
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};
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#define ADSP_IOCTL_ENABLE \
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_IOR(ADSP_IOCTL_MAGIC, 1, unsigned)
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#define ADSP_IOCTL_DISABLE \
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_IOR(ADSP_IOCTL_MAGIC, 2, unsigned)
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#define ADSP_IOCTL_DISABLE_ACK \
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_IOR(ADSP_IOCTL_MAGIC, 3, unsigned)
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#define ADSP_IOCTL_WRITE_COMMAND \
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_IOR(ADSP_IOCTL_MAGIC, 4, struct adsp_command_t *)
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#define ADSP_IOCTL_GET_EVENT \
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_IOWR(ADSP_IOCTL_MAGIC, 5, struct adsp_event_data_t *)
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#define ADSP_IOCTL_SET_CLKRATE \
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_IOR(ADSP_IOCTL_MAGIC, 6, unsigned)
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#define ADSP_IOCTL_DISABLE_EVENT_RSP \
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_IOR(ADSP_IOCTL_MAGIC, 10, unsigned)
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struct adsp_pmem_info {
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int fd;
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void *vaddr;
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};
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#define ADSP_IOCTL_REGISTER_PMEM \
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_IOW(ADSP_IOCTL_MAGIC, 13, unsigned)
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#define ADSP_IOCTL_UNREGISTER_PMEM \
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_IOW(ADSP_IOCTL_MAGIC, 14, unsigned)
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/* Cause any further GET_EVENT ioctls to fail (-ENODEV)
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* until the device is closed and reopened. Useful for
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* terminating event dispatch threads
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*/
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#define ADSP_IOCTL_ABORT_EVENT_READ \
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_IOW(ADSP_IOCTL_MAGIC, 15, unsigned)
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#define ADSP_IOCTL_LINK_TASK \
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_IOW(ADSP_IOCTL_MAGIC, 16, unsigned)
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#endif
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