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_CONTROL_H__
10  #define __INCLUDE_SOUND_SOF_CONTROL_H__
11  
12  #include <uapi/sound/sof/header.h>
13  #include <sound/sof/header.h>
14  
15  /*
16   * Component Mixers and Controls
17   */
18  
19  /* channel positions - uses same values as ALSA */
20  enum sof_ipc_chmap {
21  	SOF_CHMAP_UNKNOWN = 0,
22  	SOF_CHMAP_NA,		/**< N/A, silent */
23  	SOF_CHMAP_MONO,		/**< mono stream */
24  	SOF_CHMAP_FL,		/**< front left */
25  	SOF_CHMAP_FR,		/**< front right */
26  	SOF_CHMAP_RL,		/**< rear left */
27  	SOF_CHMAP_RR,		/**< rear right */
28  	SOF_CHMAP_FC,		/**< front centre */
29  	SOF_CHMAP_LFE,		/**< LFE */
30  	SOF_CHMAP_SL,		/**< side left */
31  	SOF_CHMAP_SR,		/**< side right */
32  	SOF_CHMAP_RC,		/**< rear centre */
33  	SOF_CHMAP_FLC,		/**< front left centre */
34  	SOF_CHMAP_FRC,		/**< front right centre */
35  	SOF_CHMAP_RLC,		/**< rear left centre */
36  	SOF_CHMAP_RRC,		/**< rear right centre */
37  	SOF_CHMAP_FLW,		/**< front left wide */
38  	SOF_CHMAP_FRW,		/**< front right wide */
39  	SOF_CHMAP_FLH,		/**< front left high */
40  	SOF_CHMAP_FCH,		/**< front centre high */
41  	SOF_CHMAP_FRH,		/**< front right high */
42  	SOF_CHMAP_TC,		/**< top centre */
43  	SOF_CHMAP_TFL,		/**< top front left */
44  	SOF_CHMAP_TFR,		/**< top front right */
45  	SOF_CHMAP_TFC,		/**< top front centre */
46  	SOF_CHMAP_TRL,		/**< top rear left */
47  	SOF_CHMAP_TRR,		/**< top rear right */
48  	SOF_CHMAP_TRC,		/**< top rear centre */
49  	SOF_CHMAP_TFLC,		/**< top front left centre */
50  	SOF_CHMAP_TFRC,		/**< top front right centre */
51  	SOF_CHMAP_TSL,		/**< top side left */
52  	SOF_CHMAP_TSR,		/**< top side right */
53  	SOF_CHMAP_LLFE,		/**< left LFE */
54  	SOF_CHMAP_RLFE,		/**< right LFE */
55  	SOF_CHMAP_BC,		/**< bottom centre */
56  	SOF_CHMAP_BLC,		/**< bottom left centre */
57  	SOF_CHMAP_BRC,		/**< bottom right centre */
58  	SOF_CHMAP_LAST = SOF_CHMAP_BRC,
59  };
60  
61  /* control data type and direction */
62  enum sof_ipc_ctrl_type {
63  	/*  per channel data - uses struct sof_ipc_ctrl_value_chan */
64  	SOF_CTRL_TYPE_VALUE_CHAN_GET = 0,
65  	SOF_CTRL_TYPE_VALUE_CHAN_SET,
66  	/* component data - uses struct sof_ipc_ctrl_value_comp */
67  	SOF_CTRL_TYPE_VALUE_COMP_GET,
68  	SOF_CTRL_TYPE_VALUE_COMP_SET,
69  	/* bespoke data - uses struct sof_abi_hdr */
70  	SOF_CTRL_TYPE_DATA_GET,
71  	SOF_CTRL_TYPE_DATA_SET,
72  };
73  
74  /* control command type */
75  enum sof_ipc_ctrl_cmd {
76  	SOF_CTRL_CMD_VOLUME = 0, /**< maps to ALSA volume style controls */
77  	SOF_CTRL_CMD_ENUM,	/**< maps to ALSA enum style controls */
78  	SOF_CTRL_CMD_SWITCH,	/**< maps to ALSA switch style controls */
79  	SOF_CTRL_CMD_BINARY,	/**< maps to ALSA binary style controls */
80  };
81  
82  /* generic channel mapped value data */
83  struct sof_ipc_ctrl_value_chan {
84  	uint32_t channel;	/**< channel map - enum sof_ipc_chmap */
85  	uint32_t value;
86  } __packed;
87  
88  /* generic component mapped value data */
89  struct sof_ipc_ctrl_value_comp {
90  	uint32_t index;	/**< component source/sink/control index in control */
91  	union {
92  		uint32_t uvalue;
93  		int32_t svalue;
94  	};
95  } __packed;
96  
97  /* generic control data */
98  struct sof_ipc_ctrl_data {
99  	struct sof_ipc_reply rhdr;
100  	uint32_t comp_id;
101  
102  	/* control access and data type */
103  	uint32_t type;		/**< enum sof_ipc_ctrl_type */
104  	uint32_t cmd;		/**< enum sof_ipc_ctrl_cmd */
105  	uint32_t index;		/**< control index for comps > 1 control */
106  
107  	/* control data - can either be appended or DMAed from host */
108  	struct sof_ipc_host_buffer buffer;
109  	uint32_t num_elems;	/**< in array elems or bytes for data type */
110  	uint32_t elems_remaining;	/**< elems remaining if sent in parts */
111  
112  	uint32_t msg_index;	/**< for large messages sent in parts */
113  
114  	/* reserved for future use */
115  	uint32_t reserved[6];
116  
117  	/* control data - add new types if needed */
118  	union {
119  		/* channel values can be used by volume type controls */
120  		DECLARE_FLEX_ARRAY(struct sof_ipc_ctrl_value_chan, chanv);
121  		/* component values used by routing controls like mux, mixer */
122  		DECLARE_FLEX_ARRAY(struct sof_ipc_ctrl_value_comp, compv);
123  		/* data can be used by binary controls */
124  		DECLARE_FLEX_ARRAY(struct sof_abi_hdr, data);
125  	};
126  } __packed;
127  
128  /** Event type */
129  enum sof_ipc_ctrl_event_type {
130  	SOF_CTRL_EVENT_GENERIC = 0,	/**< generic event */
131  	SOF_CTRL_EVENT_GENERIC_METADATA,	/**< generic event with metadata */
132  	SOF_CTRL_EVENT_KD,	/**< keyword detection event */
133  	SOF_CTRL_EVENT_VAD,	/**< voice activity detection event */
134  };
135  
136  /**
137   * Generic notification data.
138   */
139  struct sof_ipc_comp_event {
140  	struct sof_ipc_reply rhdr;
141  	uint16_t src_comp_type;	/**< COMP_TYPE_ */
142  	uint32_t src_comp_id;	/**< source component id */
143  	uint32_t event_type;	/**< event type - SOF_CTRL_EVENT_* */
144  	uint32_t num_elems;	/**< in array elems or bytes for data type */
145  
146  	/* reserved for future use */
147  	uint32_t reserved[8];
148  
149  	/* control data - add new types if needed */
150  	union {
151  		/* data can be used by binary controls */
152  		struct sof_abi_hdr data[0];
153  		/* event specific values */
154  		uint32_t event_value;
155  	};
156  } __packed;
157  
158  #endif
159