1 /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) 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_HEADER_H__ 10 #define __INCLUDE_SOUND_SOF_HEADER_H__ 11 12 #include <uapi/sound/sof/abi.h> 13 14 /** \addtogroup sof_uapi uAPI 15 * SOF uAPI specification. 16 * @{ 17 */ 18 19 /* 20 * IPC messages have a prefixed 32 bit identifier made up as follows :- 21 * 22 * 0xGCCCNNNN where 23 * G is global cmd type (4 bits) 24 * C is command type (12 bits) 25 * I is the ID number (16 bits) - monotonic and overflows 26 * 27 * This is sent at the start of the IPM message in the mailbox. Messages should 28 * not be sent in the doorbell (special exceptions for firmware . 29 */ 30 31 /* Global Message - Generic */ 32 #define SOF_GLB_TYPE_SHIFT 28 33 #define SOF_GLB_TYPE_MASK (0xf << SOF_GLB_TYPE_SHIFT) 34 #define SOF_GLB_TYPE(x) ((x) << SOF_GLB_TYPE_SHIFT) 35 36 /* Command Message - Generic */ 37 #define SOF_CMD_TYPE_SHIFT 16 38 #define SOF_CMD_TYPE_MASK (0xfff << SOF_CMD_TYPE_SHIFT) 39 #define SOF_CMD_TYPE(x) ((x) << SOF_CMD_TYPE_SHIFT) 40 41 /* Global Message Types */ 42 #define SOF_IPC_GLB_REPLY SOF_GLB_TYPE(0x1U) 43 #define SOF_IPC_GLB_COMPOUND SOF_GLB_TYPE(0x2U) 44 #define SOF_IPC_GLB_TPLG_MSG SOF_GLB_TYPE(0x3U) 45 #define SOF_IPC_GLB_PM_MSG SOF_GLB_TYPE(0x4U) 46 #define SOF_IPC_GLB_COMP_MSG SOF_GLB_TYPE(0x5U) 47 #define SOF_IPC_GLB_STREAM_MSG SOF_GLB_TYPE(0x6U) 48 #define SOF_IPC_FW_READY SOF_GLB_TYPE(0x7U) 49 #define SOF_IPC_GLB_DAI_MSG SOF_GLB_TYPE(0x8U) 50 #define SOF_IPC_GLB_TRACE_MSG SOF_GLB_TYPE(0x9U) 51 #define SOF_IPC_GLB_GDB_DEBUG SOF_GLB_TYPE(0xAU) 52 #define SOF_IPC_GLB_TEST_MSG SOF_GLB_TYPE(0xBU) 53 54 /* 55 * DSP Command Message Types 56 */ 57 58 /* topology */ 59 #define SOF_IPC_TPLG_COMP_NEW SOF_CMD_TYPE(0x001) 60 #define SOF_IPC_TPLG_COMP_FREE SOF_CMD_TYPE(0x002) 61 #define SOF_IPC_TPLG_COMP_CONNECT SOF_CMD_TYPE(0x003) 62 #define SOF_IPC_TPLG_PIPE_NEW SOF_CMD_TYPE(0x010) 63 #define SOF_IPC_TPLG_PIPE_FREE SOF_CMD_TYPE(0x011) 64 #define SOF_IPC_TPLG_PIPE_CONNECT SOF_CMD_TYPE(0x012) 65 #define SOF_IPC_TPLG_PIPE_COMPLETE SOF_CMD_TYPE(0x013) 66 #define SOF_IPC_TPLG_BUFFER_NEW SOF_CMD_TYPE(0x020) 67 #define SOF_IPC_TPLG_BUFFER_FREE SOF_CMD_TYPE(0x021) 68 69 /* PM */ 70 #define SOF_IPC_PM_CTX_SAVE SOF_CMD_TYPE(0x001) 71 #define SOF_IPC_PM_CTX_RESTORE SOF_CMD_TYPE(0x002) 72 #define SOF_IPC_PM_CTX_SIZE SOF_CMD_TYPE(0x003) 73 #define SOF_IPC_PM_CLK_SET SOF_CMD_TYPE(0x004) 74 #define SOF_IPC_PM_CLK_GET SOF_CMD_TYPE(0x005) 75 #define SOF_IPC_PM_CLK_REQ SOF_CMD_TYPE(0x006) 76 #define SOF_IPC_PM_CORE_ENABLE SOF_CMD_TYPE(0x007) 77 78 /* component runtime config - multiple different types */ 79 #define SOF_IPC_COMP_SET_VALUE SOF_CMD_TYPE(0x001) 80 #define SOF_IPC_COMP_GET_VALUE SOF_CMD_TYPE(0x002) 81 #define SOF_IPC_COMP_SET_DATA SOF_CMD_TYPE(0x003) 82 #define SOF_IPC_COMP_GET_DATA SOF_CMD_TYPE(0x004) 83 #define SOF_IPC_COMP_NOTIFICATION SOF_CMD_TYPE(0x005) 84 85 /* DAI messages */ 86 #define SOF_IPC_DAI_CONFIG SOF_CMD_TYPE(0x001) 87 #define SOF_IPC_DAI_LOOPBACK SOF_CMD_TYPE(0x002) 88 89 /* stream */ 90 #define SOF_IPC_STREAM_PCM_PARAMS SOF_CMD_TYPE(0x001) 91 #define SOF_IPC_STREAM_PCM_PARAMS_REPLY SOF_CMD_TYPE(0x002) 92 #define SOF_IPC_STREAM_PCM_FREE SOF_CMD_TYPE(0x003) 93 #define SOF_IPC_STREAM_TRIG_START SOF_CMD_TYPE(0x004) 94 #define SOF_IPC_STREAM_TRIG_STOP SOF_CMD_TYPE(0x005) 95 #define SOF_IPC_STREAM_TRIG_PAUSE SOF_CMD_TYPE(0x006) 96 #define SOF_IPC_STREAM_TRIG_RELEASE SOF_CMD_TYPE(0x007) 97 #define SOF_IPC_STREAM_TRIG_DRAIN SOF_CMD_TYPE(0x008) 98 #define SOF_IPC_STREAM_TRIG_XRUN SOF_CMD_TYPE(0x009) 99 #define SOF_IPC_STREAM_POSITION SOF_CMD_TYPE(0x00a) 100 #define SOF_IPC_STREAM_VORBIS_PARAMS SOF_CMD_TYPE(0x010) 101 #define SOF_IPC_STREAM_VORBIS_FREE SOF_CMD_TYPE(0x011) 102 103 /* trace */ 104 #define SOF_IPC_TRACE_DMA_PARAMS SOF_CMD_TYPE(0x001) 105 #define SOF_IPC_TRACE_DMA_POSITION SOF_CMD_TYPE(0x002) 106 #define SOF_IPC_TRACE_DMA_PARAMS_EXT SOF_CMD_TYPE(0x003) 107 108 /* debug */ 109 #define SOF_IPC_TEST_IPC_FLOOD SOF_CMD_TYPE(0x001) 110 111 /* Get message component id */ 112 #define SOF_IPC_MESSAGE_ID(x) ((x) & 0xffff) 113 114 /* maximum message size for mailbox Tx/Rx */ 115 #define SOF_IPC_MSG_MAX_SIZE 384 116 117 /* 118 * Structure Header - Header for all IPC structures except command structs. 119 * The size can be greater than the structure size and that means there is 120 * extended bespoke data beyond the end of the structure including variable 121 * arrays. 122 */ 123 124 struct sof_ipc_hdr { 125 uint32_t size; /**< size of structure */ 126 } __packed; 127 128 /* 129 * Command Header - Header for all IPC commands. Identifies IPC message. 130 * The size can be greater than the structure size and that means there is 131 * extended bespoke data beyond the end of the structure including variable 132 * arrays. 133 */ 134 135 struct sof_ipc_cmd_hdr { 136 uint32_t size; /**< size of structure */ 137 uint32_t cmd; /**< SOF_IPC_GLB_ + cmd */ 138 } __packed; 139 140 /* 141 * Generic reply message. Some commands override this with their own reply 142 * types that must include this at start. 143 */ 144 struct sof_ipc_reply { 145 struct sof_ipc_cmd_hdr hdr; 146 int32_t error; /**< negative error numbers */ 147 } __packed; 148 149 /* 150 * Compound commands - SOF_IPC_GLB_COMPOUND. 151 * 152 * Compound commands are sent to the DSP as a single IPC operation. The 153 * commands are split into blocks and each block has a header. This header 154 * identifies the command type and the number of commands before the next 155 * header. 156 */ 157 158 struct sof_ipc_compound_hdr { 159 struct sof_ipc_cmd_hdr hdr; 160 uint32_t count; /**< count of 0 means end of compound sequence */ 161 } __packed; 162 163 /** 164 * OOPS header architecture specific data. 165 */ 166 struct sof_ipc_dsp_oops_arch_hdr { 167 uint32_t arch; /* Identifier of architecture */ 168 uint32_t totalsize; /* Total size of oops message */ 169 } __packed; 170 171 /** 172 * OOPS header platform specific data. 173 */ 174 struct sof_ipc_dsp_oops_plat_hdr { 175 uint32_t configidhi; /* ConfigID hi 32bits */ 176 uint32_t configidlo; /* ConfigID lo 32bits */ 177 uint32_t numaregs; /* Special regs num */ 178 uint32_t stackoffset; /* Offset to stack pointer from beginning of 179 * oops message 180 */ 181 uint32_t stackptr; /* Stack ptr */ 182 } __packed; 183 184 /** @}*/ 185 186 #endif 187