xref: /openbmc/linux/include/sound/sof/dai.h (revision 2cf1c348)
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_DAI_H__
10 #define __INCLUDE_SOUND_SOF_DAI_H__
11 
12 #include <sound/sof/header.h>
13 #include <sound/sof/dai-intel.h>
14 #include <sound/sof/dai-imx.h>
15 #include <sound/sof/dai-amd.h>
16 #include <sound/sof/dai-mediatek.h>
17 
18 /*
19  * DAI Configuration.
20  *
21  * Each different DAI type will have it's own structure and IPC cmd.
22  */
23 
24 #define SOF_DAI_FMT_I2S		1 /**< I2S mode */
25 #define SOF_DAI_FMT_RIGHT_J	2 /**< Right Justified mode */
26 #define SOF_DAI_FMT_LEFT_J	3 /**< Left Justified mode */
27 #define SOF_DAI_FMT_DSP_A	4 /**< L data MSB after FRM LRC */
28 #define SOF_DAI_FMT_DSP_B	5 /**< L data MSB during FRM LRC */
29 #define SOF_DAI_FMT_PDM		6 /**< Pulse density modulation */
30 
31 #define SOF_DAI_FMT_CONT	(1 << 4) /**< continuous clock */
32 #define SOF_DAI_FMT_GATED	(0 << 4) /**< clock is gated */
33 
34 #define SOF_DAI_FMT_NB_NF	(0 << 8) /**< normal bit clock + frame */
35 #define SOF_DAI_FMT_NB_IF	(2 << 8) /**< normal BCLK + inv FRM */
36 #define SOF_DAI_FMT_IB_NF	(3 << 8) /**< invert BCLK + nor FRM */
37 #define SOF_DAI_FMT_IB_IF	(4 << 8) /**< invert BCLK + FRM */
38 
39 #define SOF_DAI_FMT_CBP_CFP	(0 << 12) /**< codec bclk provider & frame provider */
40 #define SOF_DAI_FMT_CBC_CFP	(2 << 12) /**< codec bclk consumer & frame provider */
41 #define SOF_DAI_FMT_CBP_CFC	(3 << 12) /**< codec bclk provider & frame consumer */
42 #define SOF_DAI_FMT_CBC_CFC	(4 << 12) /**< codec bclk consumer & frame consumer */
43 
44 /* keep old definitions for backwards compatibility */
45 #define SOF_DAI_FMT_CBM_CFM	SOF_DAI_FMT_CBP_CFP
46 #define SOF_DAI_FMT_CBS_CFM	SOF_DAI_FMT_CBC_CFP
47 #define SOF_DAI_FMT_CBM_CFS	SOF_DAI_FMT_CBP_CFC
48 #define SOF_DAI_FMT_CBS_CFS	SOF_DAI_FMT_CBC_CFC
49 
50 #define SOF_DAI_FMT_FORMAT_MASK		0x000f
51 #define SOF_DAI_FMT_CLOCK_MASK		0x00f0
52 #define SOF_DAI_FMT_INV_MASK		0x0f00
53 #define SOF_DAI_FMT_CLOCK_PROVIDER_MASK	0xf000
54 
55 /*
56  * DAI_CONFIG flags. The 4 LSB bits are used for the commands, HW_PARAMS, HW_FREE and PAUSE
57  * representing when the IPC is sent. The 4 MSB bits are used to add quirks along with the above
58  * commands.
59  */
60 #define SOF_DAI_CONFIG_FLAGS_CMD_MASK	0xF
61 #define SOF_DAI_CONFIG_FLAGS_NONE	0 /**< DAI_CONFIG sent without stage information */
62 #define SOF_DAI_CONFIG_FLAGS_HW_PARAMS	BIT(0) /**< DAI_CONFIG sent during hw_params stage */
63 #define SOF_DAI_CONFIG_FLAGS_HW_FREE	BIT(1) /**< DAI_CONFIG sent during hw_free stage */
64 /**< DAI_CONFIG sent during pause trigger. Only available ABI 3.20 onwards */
65 #define SOF_DAI_CONFIG_FLAGS_PAUSE	BIT(2)
66 #define SOF_DAI_CONFIG_FLAGS_QUIRK_SHIFT 4
67 #define SOF_DAI_CONFIG_FLAGS_QUIRK_MASK  (0xF << SOF_DAI_CONFIG_FLAGS_QUIRK_SHIFT)
68 /*
69  * This should be used along with the SOF_DAI_CONFIG_FLAGS_HW_PARAMS to indicate that pipeline
70  * stop/pause and DAI DMA stop/pause should happen in two steps. This change is only available
71  * ABI 3.20 onwards.
72  */
73 #define SOF_DAI_CONFIG_FLAGS_2_STEP_STOP BIT(0)
74 
75 /** \brief Types of DAI */
76 enum sof_ipc_dai_type {
77 	SOF_DAI_INTEL_NONE = 0,		/**< None */
78 	SOF_DAI_INTEL_SSP,		/**< Intel SSP */
79 	SOF_DAI_INTEL_DMIC,		/**< Intel DMIC */
80 	SOF_DAI_INTEL_HDA,		/**< Intel HD/A */
81 	SOF_DAI_INTEL_ALH,		/**< Intel ALH  */
82 	SOF_DAI_IMX_SAI,		/**< i.MX SAI */
83 	SOF_DAI_IMX_ESAI,		/**< i.MX ESAI */
84 	SOF_DAI_AMD_BT,			/**< AMD ACP BT*/
85 	SOF_DAI_AMD_SP,			/**< AMD ACP SP */
86 	SOF_DAI_AMD_DMIC,		/**< AMD ACP DMIC */
87 	SOF_DAI_MEDIATEK_AFE,		/**< Mediatek AFE */
88 };
89 
90 /* general purpose DAI configuration */
91 struct sof_ipc_dai_config {
92 	struct sof_ipc_cmd_hdr hdr;
93 	uint32_t type;		/**< DAI type - enum sof_ipc_dai_type */
94 	uint32_t dai_index;	/**< index of this type dai */
95 
96 	/* physical protocol and clocking */
97 	uint16_t format;	/**< SOF_DAI_FMT_ */
98 	uint8_t group_id;	/**< group ID, 0 means no group (ABI 3.17) */
99 	uint8_t flags;		/**< SOF_DAI_CONFIG_FLAGS_ (ABI 3.19) */
100 
101 	/* reserved for future use */
102 	uint32_t reserved[8];
103 
104 	/* HW specific data */
105 	union {
106 		struct sof_ipc_dai_ssp_params ssp;
107 		struct sof_ipc_dai_dmic_params dmic;
108 		struct sof_ipc_dai_hda_params hda;
109 		struct sof_ipc_dai_alh_params alh;
110 		struct sof_ipc_dai_esai_params esai;
111 		struct sof_ipc_dai_sai_params sai;
112 		struct sof_ipc_dai_acp_params acpbt;
113 		struct sof_ipc_dai_acp_params acpsp;
114 		struct sof_ipc_dai_acp_params acpdmic;
115 		struct sof_ipc_dai_mtk_afe_params afe;
116 	};
117 } __packed;
118 
119 #endif
120