xref: /openbmc/linux/include/sound/sof/header.h (revision a16be368)
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			(0xf << 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			(0xfff << 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 
56 /*
57  * DSP Command Message Types
58  */
59 
60 /* topology */
61 #define SOF_IPC_TPLG_COMP_NEW			SOF_CMD_TYPE(0x001)
62 #define SOF_IPC_TPLG_COMP_FREE			SOF_CMD_TYPE(0x002)
63 #define SOF_IPC_TPLG_COMP_CONNECT		SOF_CMD_TYPE(0x003)
64 #define SOF_IPC_TPLG_PIPE_NEW			SOF_CMD_TYPE(0x010)
65 #define SOF_IPC_TPLG_PIPE_FREE			SOF_CMD_TYPE(0x011)
66 #define SOF_IPC_TPLG_PIPE_CONNECT		SOF_CMD_TYPE(0x012)
67 #define SOF_IPC_TPLG_PIPE_COMPLETE		SOF_CMD_TYPE(0x013)
68 #define SOF_IPC_TPLG_BUFFER_NEW			SOF_CMD_TYPE(0x020)
69 #define SOF_IPC_TPLG_BUFFER_FREE		SOF_CMD_TYPE(0x021)
70 
71 /* PM */
72 #define SOF_IPC_PM_CTX_SAVE			SOF_CMD_TYPE(0x001)
73 #define SOF_IPC_PM_CTX_RESTORE			SOF_CMD_TYPE(0x002)
74 #define SOF_IPC_PM_CTX_SIZE			SOF_CMD_TYPE(0x003)
75 #define SOF_IPC_PM_CLK_SET			SOF_CMD_TYPE(0x004)
76 #define SOF_IPC_PM_CLK_GET			SOF_CMD_TYPE(0x005)
77 #define SOF_IPC_PM_CLK_REQ			SOF_CMD_TYPE(0x006)
78 #define SOF_IPC_PM_CORE_ENABLE			SOF_CMD_TYPE(0x007)
79 #define SOF_IPC_PM_GATE				SOF_CMD_TYPE(0x008)
80 
81 /* component runtime config - multiple different types */
82 #define SOF_IPC_COMP_SET_VALUE			SOF_CMD_TYPE(0x001)
83 #define SOF_IPC_COMP_GET_VALUE			SOF_CMD_TYPE(0x002)
84 #define SOF_IPC_COMP_SET_DATA			SOF_CMD_TYPE(0x003)
85 #define SOF_IPC_COMP_GET_DATA			SOF_CMD_TYPE(0x004)
86 #define SOF_IPC_COMP_NOTIFICATION		SOF_CMD_TYPE(0x005)
87 
88 /* DAI messages */
89 #define SOF_IPC_DAI_CONFIG			SOF_CMD_TYPE(0x001)
90 #define SOF_IPC_DAI_LOOPBACK			SOF_CMD_TYPE(0x002)
91 
92 /* stream */
93 #define SOF_IPC_STREAM_PCM_PARAMS		SOF_CMD_TYPE(0x001)
94 #define SOF_IPC_STREAM_PCM_PARAMS_REPLY		SOF_CMD_TYPE(0x002)
95 #define SOF_IPC_STREAM_PCM_FREE			SOF_CMD_TYPE(0x003)
96 #define SOF_IPC_STREAM_TRIG_START		SOF_CMD_TYPE(0x004)
97 #define SOF_IPC_STREAM_TRIG_STOP		SOF_CMD_TYPE(0x005)
98 #define SOF_IPC_STREAM_TRIG_PAUSE		SOF_CMD_TYPE(0x006)
99 #define SOF_IPC_STREAM_TRIG_RELEASE		SOF_CMD_TYPE(0x007)
100 #define SOF_IPC_STREAM_TRIG_DRAIN		SOF_CMD_TYPE(0x008)
101 #define SOF_IPC_STREAM_TRIG_XRUN		SOF_CMD_TYPE(0x009)
102 #define SOF_IPC_STREAM_POSITION			SOF_CMD_TYPE(0x00a)
103 #define SOF_IPC_STREAM_VORBIS_PARAMS		SOF_CMD_TYPE(0x010)
104 #define SOF_IPC_STREAM_VORBIS_FREE		SOF_CMD_TYPE(0x011)
105 
106 /* probe */
107 #define SOF_IPC_PROBE_INIT			SOF_CMD_TYPE(0x001)
108 #define SOF_IPC_PROBE_DEINIT			SOF_CMD_TYPE(0x002)
109 #define SOF_IPC_PROBE_DMA_ADD			SOF_CMD_TYPE(0x003)
110 #define SOF_IPC_PROBE_DMA_INFO			SOF_CMD_TYPE(0x004)
111 #define SOF_IPC_PROBE_DMA_REMOVE		SOF_CMD_TYPE(0x005)
112 #define SOF_IPC_PROBE_POINT_ADD		SOF_CMD_TYPE(0x006)
113 #define SOF_IPC_PROBE_POINT_INFO		SOF_CMD_TYPE(0x007)
114 #define SOF_IPC_PROBE_POINT_REMOVE		SOF_CMD_TYPE(0x008)
115 
116 /* trace */
117 #define SOF_IPC_TRACE_DMA_PARAMS		SOF_CMD_TYPE(0x001)
118 #define SOF_IPC_TRACE_DMA_POSITION		SOF_CMD_TYPE(0x002)
119 #define SOF_IPC_TRACE_DMA_PARAMS_EXT		SOF_CMD_TYPE(0x003)
120 
121 /* debug */
122 #define SOF_IPC_TEST_IPC_FLOOD                  SOF_CMD_TYPE(0x001)
123 
124 /* Get message component id */
125 #define SOF_IPC_MESSAGE_ID(x)			((x) & 0xffff)
126 
127 /* maximum message size for mailbox Tx/Rx */
128 #define SOF_IPC_MSG_MAX_SIZE			384
129 
130 /*
131  * Structure Header - Header for all IPC structures except command structs.
132  * The size can be greater than the structure size and that means there is
133  * extended bespoke data beyond the end of the structure including variable
134  * arrays.
135  */
136 
137 struct sof_ipc_hdr {
138 	uint32_t size;			/**< size of structure */
139 } __packed;
140 
141 /*
142  * Command Header - Header for all IPC commands. Identifies IPC message.
143  * The size can be greater than the structure size and that means there is
144  * extended bespoke data beyond the end of the structure including variable
145  * arrays.
146  */
147 
148 struct sof_ipc_cmd_hdr {
149 	uint32_t size;			/**< size of structure */
150 	uint32_t cmd;			/**< SOF_IPC_GLB_ + cmd */
151 } __packed;
152 
153 /*
154  * Generic reply message. Some commands override this with their own reply
155  * types that must include this at start.
156  */
157 struct sof_ipc_reply {
158 	struct sof_ipc_cmd_hdr hdr;
159 	int32_t error;			/**< negative error numbers */
160 }  __packed;
161 
162 /*
163  * Compound commands - SOF_IPC_GLB_COMPOUND.
164  *
165  * Compound commands are sent to the DSP as a single IPC operation. The
166  * commands are split into blocks and each block has a header. This header
167  * identifies the command type and the number of commands before the next
168  * header.
169  */
170 
171 struct sof_ipc_compound_hdr {
172 	struct sof_ipc_cmd_hdr hdr;
173 	uint32_t count;		/**< count of 0 means end of compound sequence */
174 }  __packed;
175 
176 /**
177  * OOPS header architecture specific data.
178  */
179 struct sof_ipc_dsp_oops_arch_hdr {
180 	uint32_t arch;		/* Identifier of architecture */
181 	uint32_t totalsize;	/* Total size of oops message */
182 }  __packed;
183 
184 /**
185  * OOPS header platform specific data.
186  */
187 struct sof_ipc_dsp_oops_plat_hdr {
188 	uint32_t configidhi;	/* ConfigID hi 32bits */
189 	uint32_t configidlo;	/* ConfigID lo 32bits */
190 	uint32_t numaregs;	/* Special regs num */
191 	uint32_t stackoffset;	/* Offset to stack pointer from beginning of
192 				 * oops message
193 				 */
194 	uint32_t stackptr;	/* Stack ptr */
195 }  __packed;
196 
197 /** @}*/
198 
199 #endif
200