1 /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */ 2 /* 3 * This file is provided under a dual BSD/GPLv2 license. When using or 4 * redistributing this file, you may do so under either license. 5 * 6 * Copyright(c) 2018 Intel Corporation. All rights reserved. 7 */ 8 9 #ifndef __INCLUDE_SOUND_SOF_STREAM_H__ 10 #define __INCLUDE_SOUND_SOF_STREAM_H__ 11 12 #include <sound/sof/header.h> 13 14 /* 15 * Stream configuration. 16 */ 17 18 #define SOF_IPC_MAX_CHANNELS 8 19 20 /* common sample rates for use in masks */ 21 #define SOF_RATE_8000 (1 << 0) /**< 8000Hz */ 22 #define SOF_RATE_11025 (1 << 1) /**< 11025Hz */ 23 #define SOF_RATE_12000 (1 << 2) /**< 12000Hz */ 24 #define SOF_RATE_16000 (1 << 3) /**< 16000Hz */ 25 #define SOF_RATE_22050 (1 << 4) /**< 22050Hz */ 26 #define SOF_RATE_24000 (1 << 5) /**< 24000Hz */ 27 #define SOF_RATE_32000 (1 << 6) /**< 32000Hz */ 28 #define SOF_RATE_44100 (1 << 7) /**< 44100Hz */ 29 #define SOF_RATE_48000 (1 << 8) /**< 48000Hz */ 30 #define SOF_RATE_64000 (1 << 9) /**< 64000Hz */ 31 #define SOF_RATE_88200 (1 << 10) /**< 88200Hz */ 32 #define SOF_RATE_96000 (1 << 11) /**< 96000Hz */ 33 #define SOF_RATE_176400 (1 << 12) /**< 176400Hz */ 34 #define SOF_RATE_192000 (1 << 13) /**< 192000Hz */ 35 36 /* continuous and non-standard rates for flexibility */ 37 #define SOF_RATE_CONTINUOUS (1 << 30) /**< range */ 38 #define SOF_RATE_KNOT (1 << 31) /**< non-continuous */ 39 40 /* generic PCM flags for runtime settings */ 41 #define SOF_PCM_FLAG_XRUN_STOP (1 << 0) /**< Stop on any XRUN */ 42 43 /* stream PCM frame format */ 44 enum sof_ipc_frame { 45 SOF_IPC_FRAME_S16_LE = 0, 46 SOF_IPC_FRAME_S24_4LE, 47 SOF_IPC_FRAME_S32_LE, 48 SOF_IPC_FRAME_FLOAT, 49 /* other formats here */ 50 }; 51 52 /* stream buffer format */ 53 enum sof_ipc_buffer_format { 54 SOF_IPC_BUFFER_INTERLEAVED, 55 SOF_IPC_BUFFER_NONINTERLEAVED, 56 /* other formats here */ 57 }; 58 59 /* stream direction */ 60 enum sof_ipc_stream_direction { 61 SOF_IPC_STREAM_PLAYBACK = 0, 62 SOF_IPC_STREAM_CAPTURE, 63 }; 64 65 /* stream ring info */ 66 struct sof_ipc_host_buffer { 67 struct sof_ipc_hdr hdr; 68 uint32_t phy_addr; 69 uint32_t pages; 70 uint32_t size; 71 uint32_t reserved[3]; 72 } __packed; 73 74 struct sof_ipc_stream_params { 75 struct sof_ipc_hdr hdr; 76 struct sof_ipc_host_buffer buffer; 77 uint32_t direction; /**< enum sof_ipc_stream_direction */ 78 uint32_t frame_fmt; /**< enum sof_ipc_frame */ 79 uint32_t buffer_fmt; /**< enum sof_ipc_buffer_format */ 80 uint32_t rate; 81 uint16_t stream_tag; 82 uint16_t channels; 83 uint16_t sample_valid_bytes; 84 uint16_t sample_container_bytes; 85 86 uint32_t host_period_bytes; 87 uint16_t no_stream_position; /**< 1 means don't send stream position */ 88 89 uint16_t reserved[3]; 90 uint16_t chmap[SOF_IPC_MAX_CHANNELS]; /**< channel map - SOF_CHMAP_ */ 91 } __packed; 92 93 /* PCM params info - SOF_IPC_STREAM_PCM_PARAMS */ 94 struct sof_ipc_pcm_params { 95 struct sof_ipc_cmd_hdr hdr; 96 uint32_t comp_id; 97 uint32_t flags; /**< generic PCM flags - SOF_PCM_FLAG_ */ 98 uint32_t reserved[2]; 99 struct sof_ipc_stream_params params; 100 } __packed; 101 102 /* PCM params info reply - SOF_IPC_STREAM_PCM_PARAMS_REPLY */ 103 struct sof_ipc_pcm_params_reply { 104 struct sof_ipc_reply rhdr; 105 uint32_t comp_id; 106 uint32_t posn_offset; 107 } __packed; 108 109 /* free stream - SOF_IPC_STREAM_PCM_PARAMS */ 110 struct sof_ipc_stream { 111 struct sof_ipc_cmd_hdr hdr; 112 uint32_t comp_id; 113 } __packed; 114 115 /* flags indicating which time stamps are in sync with each other */ 116 #define SOF_TIME_HOST_SYNC (1 << 0) 117 #define SOF_TIME_DAI_SYNC (1 << 1) 118 #define SOF_TIME_WALL_SYNC (1 << 2) 119 #define SOF_TIME_STAMP_SYNC (1 << 3) 120 121 /* flags indicating which time stamps are valid */ 122 #define SOF_TIME_HOST_VALID (1 << 8) 123 #define SOF_TIME_DAI_VALID (1 << 9) 124 #define SOF_TIME_WALL_VALID (1 << 10) 125 #define SOF_TIME_STAMP_VALID (1 << 11) 126 127 /* flags indicating time stamps are 64bit else 3use low 32bit */ 128 #define SOF_TIME_HOST_64 (1 << 16) 129 #define SOF_TIME_DAI_64 (1 << 17) 130 #define SOF_TIME_WALL_64 (1 << 18) 131 #define SOF_TIME_STAMP_64 (1 << 19) 132 133 struct sof_ipc_stream_posn { 134 struct sof_ipc_reply rhdr; 135 uint32_t comp_id; /**< host component ID */ 136 uint32_t flags; /**< SOF_TIME_ */ 137 uint32_t wallclock_hz; /**< frequency of wallclock in Hz */ 138 uint32_t timestamp_ns; /**< resolution of timestamp in ns */ 139 uint64_t host_posn; /**< host DMA position in bytes */ 140 uint64_t dai_posn; /**< DAI DMA position in bytes */ 141 uint64_t comp_posn; /**< comp position in bytes */ 142 uint64_t wallclock; /**< audio wall clock */ 143 uint64_t timestamp; /**< system time stamp */ 144 uint32_t xrun_comp_id; /**< comp ID of XRUN component */ 145 int32_t xrun_size; /**< XRUN size in bytes */ 146 } __packed; 147 148 #endif 149
