xref: /openbmc/linux/include/sound/sof/header.h (revision 46a73e9e)
1 /* SPDX-License-Identifier: (GPL-2.0 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