release/src-rt-6.x.4708/linux/linux-2.6.36/drivers/staging/dream/include/linux/msm_adsp.h

   1 /* drivers/staging/dream/include/linux/msm_adsp.h
   2  *
   3  * Copyright (c) QUALCOMM Incorporated
   4  * Copyright (C) 2007 Google, Inc.
   5  * Author: Iliyan Malchev <ibm@android.com>
   6  *
   7  * This software is licensed under the terms of the GNU General Public
   8  * License version 2, as published by the Free Software Foundation, and
   9  * may be copied, distributed, and modified under those terms.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  */
  17 #ifndef __LINUX_MSM_ADSP_H
  18 #define __LINUX_MSM_ADSP_H
  19
  20 #include <linux/types.h>
  21 #include <linux/ioctl.h>
  22
  23 #define ADSP_IOCTL_MAGIC 'q'
  24
  25 /* ADSP_IOCTL_WRITE_COMMAND */
  26 struct adsp_command_t {
  27         uint16_t queue;
  28         uint32_t len;           /* bytes */
  29         uint8_t *data;
  30 };
  31
  32 /* ADSP_IOCTL_GET_EVENT */
  33 struct adsp_event_t {
  34         uint16_t type;          /* 1 == event (RPC), 0 == message (adsp) */
  35         uint32_t timeout_ms;    /* -1 for infinite, 0 for immediate return */
  36         uint16_t msg_id;
  37         uint16_t flags;         /* 1 == 16--bit event, 0 == 32-bit event */
  38         uint32_t len;           /* size in, number of bytes out */
  39         uint8_t *data;
  40 };
  41
  42 #define ADSP_IOCTL_ENABLE \
  43         _IOR(ADSP_IOCTL_MAGIC, 1, unsigned)
  44
  45 #define ADSP_IOCTL_DISABLE \
  46         _IOR(ADSP_IOCTL_MAGIC, 2, unsigned)
  47
  48 #define ADSP_IOCTL_DISABLE_ACK \
  49         _IOR(ADSP_IOCTL_MAGIC, 3, unsigned)
  50
  51 #define ADSP_IOCTL_WRITE_COMMAND \
  52         _IOR(ADSP_IOCTL_MAGIC, 4, struct adsp_command_t *)
  53
  54 #define ADSP_IOCTL_GET_EVENT \
  55         _IOWR(ADSP_IOCTL_MAGIC, 5, struct adsp_event_data_t *)
  56
  57 #define ADSP_IOCTL_SET_CLKRATE \
  58         _IOR(ADSP_IOCTL_MAGIC, 6, unsigned)
  59
  60 #define ADSP_IOCTL_DISABLE_EVENT_RSP \
  61         _IOR(ADSP_IOCTL_MAGIC, 10, unsigned)
  62
  63 struct adsp_pmem_info {
  64         int fd;
  65         void *vaddr;
  66 };
  67
  68 #define ADSP_IOCTL_REGISTER_PMEM \
  69         _IOW(ADSP_IOCTL_MAGIC, 13, unsigned)
  70
  71 #define ADSP_IOCTL_UNREGISTER_PMEM \
  72         _IOW(ADSP_IOCTL_MAGIC, 14, unsigned)
  73
  74 /* Cause any further GET_EVENT ioctls to fail (-ENODEV)
  75  * until the device is closed and reopened.  Useful for
  76  * terminating event dispatch threads
  77  */
  78 #define ADSP_IOCTL_ABORT_EVENT_READ \
  79         _IOW(ADSP_IOCTL_MAGIC, 15, unsigned)
  80
  81 #define ADSP_IOCTL_LINK_TASK \
  82         _IOW(ADSP_IOCTL_MAGIC, 16, unsigned)
  83
  84 #endif