xref: /openbmc/linux/include/sound/sof/dai.h (revision cd238eff)
1 /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) 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 
15 /*
16  * DAI Configuration.
17  *
18  * Each different DAI type will have it's own structure and IPC cmd.
19  */
20 
21 #define SOF_DAI_FMT_I2S		1 /**< I2S mode */
22 #define SOF_DAI_FMT_RIGHT_J	2 /**< Right Justified mode */
23 #define SOF_DAI_FMT_LEFT_J	3 /**< Left Justified mode */
24 #define SOF_DAI_FMT_DSP_A	4 /**< L data MSB after FRM LRC */
25 #define SOF_DAI_FMT_DSP_B	5 /**< L data MSB during FRM LRC */
26 #define SOF_DAI_FMT_PDM		6 /**< Pulse density modulation */
27 
28 #define SOF_DAI_FMT_CONT	(1 << 4) /**< continuous clock */
29 #define SOF_DAI_FMT_GATED	(0 << 4) /**< clock is gated */
30 
31 #define SOF_DAI_FMT_NB_NF	(0 << 8) /**< normal bit clock + frame */
32 #define SOF_DAI_FMT_NB_IF	(2 << 8) /**< normal BCLK + inv FRM */
33 #define SOF_DAI_FMT_IB_NF	(3 << 8) /**< invert BCLK + nor FRM */
34 #define SOF_DAI_FMT_IB_IF	(4 << 8) /**< invert BCLK + FRM */
35 
36 #define SOF_DAI_FMT_CBM_CFM	(0 << 12) /**< codec clk & FRM master */
37 #define SOF_DAI_FMT_CBS_CFM	(2 << 12) /**< codec clk slave & FRM master */
38 #define SOF_DAI_FMT_CBM_CFS	(3 << 12) /**< codec clk master & frame slave */
39 #define SOF_DAI_FMT_CBS_CFS	(4 << 12) /**< codec clk & FRM slave */
40 
41 #define SOF_DAI_FMT_FORMAT_MASK		0x000f
42 #define SOF_DAI_FMT_CLOCK_MASK		0x00f0
43 #define SOF_DAI_FMT_INV_MASK		0x0f00
44 #define SOF_DAI_FMT_MASTER_MASK		0xf000
45 
46 /** \brief Types of DAI */
47 enum sof_ipc_dai_type {
48 	SOF_DAI_INTEL_NONE = 0,		/**< None */
49 	SOF_DAI_INTEL_SSP,		/**< Intel SSP */
50 	SOF_DAI_INTEL_DMIC,		/**< Intel DMIC */
51 	SOF_DAI_INTEL_HDA,		/**< Intel HD/A */
52 };
53 
54 /* general purpose DAI configuration */
55 struct sof_ipc_dai_config {
56 	struct sof_ipc_cmd_hdr hdr;
57 	uint32_t type;		/**< DAI type - enum sof_ipc_dai_type */
58 	uint32_t dai_index;	/**< index of this type dai */
59 
60 	/* physical protocol and clocking */
61 	uint16_t format;	/**< SOF_DAI_FMT_ */
62 	uint16_t reserved16;	/**< alignment */
63 
64 	/* reserved for future use */
65 	uint32_t reserved[8];
66 
67 	/* HW specific data */
68 	union {
69 		struct sof_ipc_dai_ssp_params ssp;
70 		struct sof_ipc_dai_dmic_params dmic;
71 		struct sof_ipc_dai_hda_params hda;
72 	};
73 } __packed;
74 
75 #endif
76