include/linux/tegra_nvavp.h

   1 /*
   2  * include/linux/tegra_nvavp.h
   3  *
   4  * Copyright (c) 2012, NVIDIA CORPORATION.  All rights reserved.
   5  *
   6  * This file is licensed under the terms of the GNU General Public License
   7  * version 2. This program is licensed "as is" without any warranty of any
   8  * kind, whether express or implied.
   9  */
  10
  11 #ifndef __LINUX_TEGRA_NVAVP_H
  12 #define __LINUX_TEGRA_NVAVP_H
  13
  14 #include <linux/ioctl.h>
  15 #include <linux/types.h>
  16
  17 #define NVAVP_MAX_RELOCATION_COUNT 64
  18
  19 /* avp submit flags */
  20 #define NVAVP_FLAG_NONE         0x00000000
  21 #define NVAVP_UCODE_EXT         0x00000001 /*use external ucode provided */
  22
  23 enum {
  24         NVAVP_MODULE_ID_AVP     = 2,
  25         NVAVP_MODULE_ID_VCP     = 3,
  26         NVAVP_MODULE_ID_BSEA    = 27,
  27         NVAVP_MODULE_ID_VDE     = 28,
  28         NVAVP_MODULE_ID_MPE     = 29,
  29         NVAVP_MODULE_ID_EMC     = 75,
  30 };
  31
  32 struct nvavp_cmdbuf {
  33         __u32 mem;
  34         __u32 offset;
  35         __u32 words;
  36 };
  37
  38 struct nvavp_reloc {
  39         __u32 cmdbuf_mem;
  40         __u32 cmdbuf_offset;
  41         __u32 target;
  42         __u32 target_offset;
  43 };
  44
  45 struct nvavp_syncpt {
  46         __u32 id;
  47         __u32 value;
  48 };
  49
  50 struct nvavp_pushbuffer_submit_hdr {
  51         struct nvavp_cmdbuf     cmdbuf;
  52         struct nvavp_reloc      *relocs;
  53         __u32                   num_relocs;
  54         struct nvavp_syncpt     *syncpt;
  55         __u32                   flags;
  56 };
  57
  58 struct nvavp_set_nvmap_fd_args {
  59         __u32 fd;
  60 };
  61
  62 struct nvavp_clock_args {
  63         __u32 id;
  64         __u32 rate;
  65 };
  66
  67 enum nvavp_clock_stay_on_state {
  68         NVAVP_CLOCK_STAY_ON_DISABLED = 0,
  69         NVAVP_CLOCK_STAY_ON_ENABLED
  70 };
  71
  72 struct nvavp_clock_stay_on_state_args {
  73         enum nvavp_clock_stay_on_state  state;
  74 };
  75
  76 #define NVAVP_IOCTL_MAGIC               'n'
  77
  78 #define NVAVP_IOCTL_SET_NVMAP_FD        _IOW(NVAVP_IOCTL_MAGIC, 0x60, \
  79                                         struct nvavp_set_nvmap_fd_args)
  80 #define NVAVP_IOCTL_GET_SYNCPOINT_ID    _IOR(NVAVP_IOCTL_MAGIC, 0x61, \
  81                                         __u32)
  82 #define NVAVP_IOCTL_PUSH_BUFFER_SUBMIT  _IOWR(NVAVP_IOCTL_MAGIC, 0x63, \
  83                                         struct nvavp_pushbuffer_submit_hdr)
  84 #define NVAVP_IOCTL_SET_CLOCK           _IOWR(NVAVP_IOCTL_MAGIC, 0x64, \
  85                                         struct nvavp_clock_args)
  86 #define NVAVP_IOCTL_GET_CLOCK           _IOR(NVAVP_IOCTL_MAGIC, 0x65, \
  87                                         struct nvavp_clock_args)
  88 #define NVAVP_IOCTL_WAKE_AVP            _IOR(NVAVP_IOCTL_MAGIC, 0x66, \
  89                                         __u32)
  90 #define NVAVP_IOCTL_FORCE_CLOCK_STAY_ON _IOW(NVAVP_IOCTL_MAGIC, 0x67, \
  91                                         struct nvavp_clock_stay_on_state_args)
  92 #define NVAVP_IOCTL_ENABLE_AUDIO_CLOCKS  _IOWR(NVAVP_IOCTL_MAGIC, 0x68, \
  93                                         struct nvavp_clock_args)
  94 #define NVAVP_IOCTL_DISABLE_AUDIO_CLOCKS _IOWR(NVAVP_IOCTL_MAGIC, 0x69, \
  95                                         struct nvavp_clock_args)
  96
  97 #define NVAVP_IOCTL_MIN_NR              _IOC_NR(NVAVP_IOCTL_SET_NVMAP_FD)
  98 #define NVAVP_IOCTL_MAX_NR              _IOC_NR(NVAVP_IOCTL_DISABLE_AUDIO_CLOCKS)
  99
 100 #endif /* __LINUX_TEGRA_NVAVP_H */