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
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			(0xfUL << 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  #define SOF_IPC_TRACE_DMA_FREE		SOF_CMD_TYPE(0x005) /**< ABI3.20 */
123  
124  /* debug */
125  #define SOF_IPC_DEBUG_MEM_USAGE			SOF_CMD_TYPE(0x001)
126  
127  /* test */
128  #define SOF_IPC_TEST_IPC_FLOOD			SOF_CMD_TYPE(0x001)
129  
130  /* Get message component id */
131  #define SOF_IPC_MESSAGE_ID(x)			((x) & 0xffff)
132  
133  /* maximum message size for mailbox Tx/Rx */
134  #define SOF_IPC_MSG_MAX_SIZE			384
135  
136  /*
137   * Structure Header - Header for all IPC structures except command structs.
138   * The size can be greater than the structure size and that means there is
139   * extended bespoke data beyond the end of the structure including variable
140   * arrays.
141   */
142  
143  struct sof_ipc_hdr {
144  	uint32_t size;			/**< size of structure */
145  } __packed;
146  
147  /*
148   * Command Header - Header for all IPC commands. Identifies IPC message.
149   * The size can be greater than the structure size and that means there is
150   * extended bespoke data beyond the end of the structure including variable
151   * arrays.
152   */
153  
154  struct sof_ipc_cmd_hdr {
155  	uint32_t size;			/**< size of structure */
156  	uint32_t cmd;			/**< SOF_IPC_GLB_ + cmd */
157  } __packed;
158  
159  /*
160   * Generic reply message. Some commands override this with their own reply
161   * types that must include this at start.
162   */
163  struct sof_ipc_reply {
164  	struct sof_ipc_cmd_hdr hdr;
165  	int32_t error;			/**< negative error numbers */
166  }  __packed;
167  
168  /*
169   * Compound commands - SOF_IPC_GLB_COMPOUND.
170   *
171   * Compound commands are sent to the DSP as a single IPC operation. The
172   * commands are split into blocks and each block has a header. This header
173   * identifies the command type and the number of commands before the next
174   * header.
175   */
176  
177  struct sof_ipc_compound_hdr {
178  	struct sof_ipc_cmd_hdr hdr;
179  	uint32_t count;		/**< count of 0 means end of compound sequence */
180  }  __packed;
181  
182  /**
183   * OOPS header architecture specific data.
184   */
185  struct sof_ipc_dsp_oops_arch_hdr {
186  	uint32_t arch;		/* Identifier of architecture */
187  	uint32_t totalsize;	/* Total size of oops message */
188  }  __packed;
189  
190  /**
191   * OOPS header platform specific data.
192   */
193  struct sof_ipc_dsp_oops_plat_hdr {
194  	uint32_t configidhi;	/* ConfigID hi 32bits */
195  	uint32_t configidlo;	/* ConfigID lo 32bits */
196  	uint32_t numaregs;	/* Special regs num */
197  	uint32_t stackoffset;	/* Offset to stack pointer from beginning of
198  				 * oops message
199  				 */
200  	uint32_t stackptr;	/* Stack ptr */
201  }  __packed;
202  
203  /** @}*/
204  
205  #endif
206