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_HEADER_H__ 10 #define __INCLUDE_SOUND_SOF_HEADER_H__ 11 12 #include <linux/types.h> 13 #include <uapi/sound/sof/abi.h> 14 15 /** \addtogroup sof_uapi uAPI 16 * SOF uAPI specification. 17 * @{ 18 */ 19 20 /* 21 * IPC messages have a prefixed 32 bit identifier made up as follows :- 22 * 23 * 0xGCCCNNNN where 24 * G is global cmd type (4 bits) 25 * C is command type (12 bits) 26 * I is the ID number (16 bits) - monotonic and overflows 27 * 28 * This is sent at the start of the IPM message in the mailbox. Messages should 29 * not be sent in the doorbell (special exceptions for firmware . 30 */ 31 32 /* Global Message - Generic */ 33 #define SOF_GLB_TYPE_SHIFT 28 34 #define SOF_GLB_TYPE_MASK (0xfL << SOF_GLB_TYPE_SHIFT) 35 #define SOF_GLB_TYPE(x) ((x) << SOF_GLB_TYPE_SHIFT) 36 37 /* Command Message - Generic */ 38 #define SOF_CMD_TYPE_SHIFT 16 39 #define SOF_CMD_TYPE_MASK (0xfffL << SOF_CMD_TYPE_SHIFT) 40 #define SOF_CMD_TYPE(x) ((x) << SOF_CMD_TYPE_SHIFT) 41 42 /* Global Message Types */ 43 #define SOF_IPC_GLB_REPLY SOF_GLB_TYPE(0x1U) 44 #define SOF_IPC_GLB_COMPOUND SOF_GLB_TYPE(0x2U) 45 #define SOF_IPC_GLB_TPLG_MSG SOF_GLB_TYPE(0x3U) 46 #define SOF_IPC_GLB_PM_MSG SOF_GLB_TYPE(0x4U) 47 #define SOF_IPC_GLB_COMP_MSG SOF_GLB_TYPE(0x5U) 48 #define SOF_IPC_GLB_STREAM_MSG SOF_GLB_TYPE(0x6U) 49 #define SOF_IPC_FW_READY SOF_GLB_TYPE(0x7U) 50 #define SOF_IPC_GLB_DAI_MSG SOF_GLB_TYPE(0x8U) 51 #define SOF_IPC_GLB_TRACE_MSG SOF_GLB_TYPE(0x9U) 52 #define SOF_IPC_GLB_GDB_DEBUG SOF_GLB_TYPE(0xAU) 53 #define SOF_IPC_GLB_TEST_MSG SOF_GLB_TYPE(0xBU) 54 #define SOF_IPC_GLB_PROBE SOF_GLB_TYPE(0xCU) 55 #define SOF_IPC_GLB_DEBUG SOF_GLB_TYPE(0xDU) 56 57 /* 58 * DSP Command Message Types 59 */ 60 61 /* topology */ 62 #define SOF_IPC_TPLG_COMP_NEW SOF_CMD_TYPE(0x001) 63 #define SOF_IPC_TPLG_COMP_FREE SOF_CMD_TYPE(0x002) 64 #define SOF_IPC_TPLG_COMP_CONNECT SOF_CMD_TYPE(0x003) 65 #define SOF_IPC_TPLG_PIPE_NEW SOF_CMD_TYPE(0x010) 66 #define SOF_IPC_TPLG_PIPE_FREE SOF_CMD_TYPE(0x011) 67 #define SOF_IPC_TPLG_PIPE_CONNECT SOF_CMD_TYPE(0x012) 68 #define SOF_IPC_TPLG_PIPE_COMPLETE SOF_CMD_TYPE(0x013) 69 #define SOF_IPC_TPLG_BUFFER_NEW SOF_CMD_TYPE(0x020) 70 #define SOF_IPC_TPLG_BUFFER_FREE SOF_CMD_TYPE(0x021) 71 72 /* PM */ 73 #define SOF_IPC_PM_CTX_SAVE SOF_CMD_TYPE(0x001) 74 #define SOF_IPC_PM_CTX_RESTORE SOF_CMD_TYPE(0x002) 75 #define SOF_IPC_PM_CTX_SIZE SOF_CMD_TYPE(0x003) 76 #define SOF_IPC_PM_CLK_SET SOF_CMD_TYPE(0x004) 77 #define SOF_IPC_PM_CLK_GET SOF_CMD_TYPE(0x005) 78 #define SOF_IPC_PM_CLK_REQ SOF_CMD_TYPE(0x006) 79 #define SOF_IPC_PM_CORE_ENABLE SOF_CMD_TYPE(0x007) 80 #define SOF_IPC_PM_GATE SOF_CMD_TYPE(0x008) 81 82 /* component runtime config - multiple different types */ 83 #define SOF_IPC_COMP_SET_VALUE SOF_CMD_TYPE(0x001) 84 #define SOF_IPC_COMP_GET_VALUE SOF_CMD_TYPE(0x002) 85 #define SOF_IPC_COMP_SET_DATA SOF_CMD_TYPE(0x003) 86 #define SOF_IPC_COMP_GET_DATA SOF_CMD_TYPE(0x004) 87 #define SOF_IPC_COMP_NOTIFICATION SOF_CMD_TYPE(0x005) 88 89 /* DAI messages */ 90 #define SOF_IPC_DAI_CONFIG SOF_CMD_TYPE(0x001) 91 #define SOF_IPC_DAI_LOOPBACK SOF_CMD_TYPE(0x002) 92 93 /* stream */ 94 #define SOF_IPC_STREAM_PCM_PARAMS SOF_CMD_TYPE(0x001) 95 #define SOF_IPC_STREAM_PCM_PARAMS_REPLY SOF_CMD_TYPE(0x002) 96 #define SOF_IPC_STREAM_PCM_FREE SOF_CMD_TYPE(0x003) 97 #define SOF_IPC_STREAM_TRIG_START SOF_CMD_TYPE(0x004) 98 #define SOF_IPC_STREAM_TRIG_STOP SOF_CMD_TYPE(0x005) 99 #define SOF_IPC_STREAM_TRIG_PAUSE SOF_CMD_TYPE(0x006) 100 #define SOF_IPC_STREAM_TRIG_RELEASE SOF_CMD_TYPE(0x007) 101 #define SOF_IPC_STREAM_TRIG_DRAIN SOF_CMD_TYPE(0x008) 102 #define SOF_IPC_STREAM_TRIG_XRUN SOF_CMD_TYPE(0x009) 103 #define SOF_IPC_STREAM_POSITION SOF_CMD_TYPE(0x00a) 104 #define SOF_IPC_STREAM_VORBIS_PARAMS SOF_CMD_TYPE(0x010) 105 #define SOF_IPC_STREAM_VORBIS_FREE SOF_CMD_TYPE(0x011) 106 107 /* probe */ 108 #define SOF_IPC_PROBE_INIT SOF_CMD_TYPE(0x001) 109 #define SOF_IPC_PROBE_DEINIT SOF_CMD_TYPE(0x002) 110 #define SOF_IPC_PROBE_DMA_ADD SOF_CMD_TYPE(0x003) 111 #define SOF_IPC_PROBE_DMA_INFO SOF_CMD_TYPE(0x004) 112 #define SOF_IPC_PROBE_DMA_REMOVE SOF_CMD_TYPE(0x005) 113 #define SOF_IPC_PROBE_POINT_ADD SOF_CMD_TYPE(0x006) 114 #define SOF_IPC_PROBE_POINT_INFO SOF_CMD_TYPE(0x007) 115 #define SOF_IPC_PROBE_POINT_REMOVE SOF_CMD_TYPE(0x008) 116 117 /* trace */ 118 #define SOF_IPC_TRACE_DMA_PARAMS SOF_CMD_TYPE(0x001) 119 #define SOF_IPC_TRACE_DMA_POSITION SOF_CMD_TYPE(0x002) 120 #define SOF_IPC_TRACE_DMA_PARAMS_EXT SOF_CMD_TYPE(0x003) 121 #define SOF_IPC_TRACE_FILTER_UPDATE SOF_CMD_TYPE(0x004) /**< ABI3.17 */ 122 123 /* debug */ 124 #define SOF_IPC_DEBUG_MEM_USAGE SOF_CMD_TYPE(0x001) 125 126 /* test */ 127 #define SOF_IPC_TEST_IPC_FLOOD SOF_CMD_TYPE(0x001) 128 129 /* Get message component id */ 130 #define SOF_IPC_MESSAGE_ID(x) ((x) & 0xffff) 131 132 /* maximum message size for mailbox Tx/Rx */ 133 #define SOF_IPC_MSG_MAX_SIZE 384 134 135 /* 136 * Structure Header - Header for all IPC structures except command structs. 137 * The size can be greater than the structure size and that means there is 138 * extended bespoke data beyond the end of the structure including variable 139 * arrays. 140 */ 141 142 struct sof_ipc_hdr { 143 uint32_t size; /**< size of structure */ 144 } __packed; 145 146 /* 147 * Command Header - Header for all IPC commands. Identifies IPC message. 148 * The size can be greater than the structure size and that means there is 149 * extended bespoke data beyond the end of the structure including variable 150 * arrays. 151 */ 152 153 struct sof_ipc_cmd_hdr { 154 uint32_t size; /**< size of structure */ 155 uint32_t cmd; /**< SOF_IPC_GLB_ + cmd */ 156 } __packed; 157 158 /* 159 * Generic reply message. Some commands override this with their own reply 160 * types that must include this at start. 161 */ 162 struct sof_ipc_reply { 163 struct sof_ipc_cmd_hdr hdr; 164 int32_t error; /**< negative error numbers */ 165 } __packed; 166 167 /* 168 * Compound commands - SOF_IPC_GLB_COMPOUND. 169 * 170 * Compound commands are sent to the DSP as a single IPC operation. The 171 * commands are split into blocks and each block has a header. This header 172 * identifies the command type and the number of commands before the next 173 * header. 174 */ 175 176 struct sof_ipc_compound_hdr { 177 struct sof_ipc_cmd_hdr hdr; 178 uint32_t count; /**< count of 0 means end of compound sequence */ 179 } __packed; 180 181 /** 182 * OOPS header architecture specific data. 183 */ 184 struct sof_ipc_dsp_oops_arch_hdr { 185 uint32_t arch; /* Identifier of architecture */ 186 uint32_t totalsize; /* Total size of oops message */ 187 } __packed; 188 189 /** 190 * OOPS header platform specific data. 191 */ 192 struct sof_ipc_dsp_oops_plat_hdr { 193 uint32_t configidhi; /* ConfigID hi 32bits */ 194 uint32_t configidlo; /* ConfigID lo 32bits */ 195 uint32_t numaregs; /* Special regs num */ 196 uint32_t stackoffset; /* Offset to stack pointer from beginning of 197 * oops message 198 */ 199 uint32_t stackptr; /* Stack ptr */ 200 } __packed; 201 202 /** @}*/ 203 204 #endif 205