xref: /linux/sound/soc/meson/aiu.h (revision 67f8bc848ee31831336bd478e57d2f993551902e)
1 /* SPDX-License-Identifier: (GPL-2.0 OR MIT) */
2 /*
3  * Copyright (c) 2018 BayLibre, SAS.
4  * Author: Jerome Brunet <jbrunet@baylibre.com>
5  */
6 
7 #ifndef _MESON_AIU_H
8 #define _MESON_AIU_H
9 
10 #include "gx-formatter.h"
11 
12 struct clk;
13 struct clk_bulk_data;
14 struct device;
15 struct of_phandle_args;
16 struct snd_soc_dai;
17 struct snd_soc_dai_ops;
18 
19 enum aiu_clk_ids {
20 	PCLK = 0,
21 	AOCLK,
22 	MCLK,
23 	MIXER
24 };
25 
26 struct aiu_interface {
27 	struct clk_bulk_data *clks;
28 	unsigned int clk_num;
29 	int irq;
30 	struct gx_iface iface;
31 };
32 
33 struct aiu_platform_data {
34 	bool has_acodec;
35 	bool has_clk_ctrl_more_i2s_div;
36 };
37 
38 struct aiu {
39 	struct clk *spdif_mclk;
40 	struct aiu_interface i2s;
41 	struct aiu_interface spdif;
42 	const struct aiu_platform_data *platform;
43 };
44 
45 #define AIU_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |	\
46 		     SNDRV_PCM_FMTBIT_S20_LE |	\
47 		     SNDRV_PCM_FMTBIT_S24_LE)
48 
49 int aiu_of_xlate_dai_name(struct snd_soc_component *component,
50 			  const struct of_phandle_args *args,
51 			  const char **dai_name,
52 			  unsigned int component_id);
53 
54 int aiu_hdmi_ctrl_register_component(struct device *dev);
55 int aiu_acodec_ctrl_register_component(struct device *dev);
56 
57 int aiu_fifo_i2s_dai_probe(struct snd_soc_dai *dai);
58 int aiu_fifo_spdif_dai_probe(struct snd_soc_dai *dai);
59 
60 extern const struct snd_soc_dai_ops aiu_fifo_i2s_dai_ops;
61 extern const struct snd_soc_dai_ops aiu_fifo_spdif_dai_ops;
62 extern const struct snd_soc_dai_ops aiu_encoder_i2s_dai_ops;
63 extern const struct snd_soc_dai_ops aiu_encoder_spdif_dai_ops;
64 extern const struct gx_formatter_ops aiu_formatter_i2s_ops;
65 
66 #define AIU_IEC958_BPF			0x000
67 #define AIU_958_MISC			0x010
68 #define AIU_IEC958_DCU_FF_CTRL		0x01c
69 #define AIU_958_CHSTAT_L0		0x020
70 #define AIU_958_CHSTAT_L1		0x024
71 #define AIU_958_CTRL			0x028
72 #define AIU_I2S_SOURCE_DESC		0x034
73 #define AIU_I2S_DAC_CFG			0x040
74 #define AIU_I2S_SYNC			0x044
75 #define AIU_I2S_MISC			0x048
76 #define AIU_RST_SOFT			0x054
77 #define AIU_CLK_CTRL			0x058
78 #define AIU_CLK_CTRL_MORE		0x064
79 #define AIU_CODEC_DAC_LRCLK_CTRL	0x0a0
80 #define AIU_HDMI_CLK_DATA_CTRL		0x0a8
81 #define AIU_ACODEC_CTRL			0x0b0
82 #define AIU_958_CHSTAT_R0		0x0c0
83 #define AIU_958_CHSTAT_R1		0x0c4
84 #define AIU_MEM_I2S_START		0x180
85 #define AIU_MEM_I2S_MASKS		0x18c
86 #define AIU_MEM_I2S_CONTROL		0x190
87 #define AIU_MEM_IEC958_START		0x194
88 #define AIU_MEM_IEC958_CONTROL		0x1a4
89 #define AIU_MEM_I2S_BUF_CNTL		0x1d8
90 #define AIU_MEM_IEC958_BUF_CNTL		0x1fc
91 
92 #endif /* _MESON_AIU_H */
93