1// SPDX-License-Identifier: GPL-2.0
2/*
3 * ALSA SoC Texas Instruments TAS6424 Quad-Channel Audio Amplifier
4 *
5 * Copyright (C) 2016-2017 Texas Instruments Incorporated - https://www.ti.com/
6 *	Author: Andreas Dannenberg <dannenberg@ti.com>
7 *	Andrew F. Davis <afd@ti.com>
8 */
9
10#ifndef __TAS6424_H__
11#define __TAS6424_H__
12
13#define TAS6424_RATES (SNDRV_PCM_RATE_44100 | \
14		       SNDRV_PCM_RATE_48000 | \
15		       SNDRV_PCM_RATE_96000)
16
17#define TAS6424_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \
18			 SNDRV_PCM_FMTBIT_S24_LE)
19
20/* Register Address Map */
21#define TAS6424_MODE_CTRL		0x00
22#define TAS6424_MISC_CTRL1		0x01
23#define TAS6424_MISC_CTRL2		0x02
24#define TAS6424_SAP_CTRL		0x03
25#define TAS6424_CH_STATE_CTRL		0x04
26#define TAS6424_CH1_VOL_CTRL		0x05
27#define TAS6424_CH2_VOL_CTRL		0x06
28#define TAS6424_CH3_VOL_CTRL		0x07
29#define TAS6424_CH4_VOL_CTRL		0x08
30#define TAS6424_DC_DIAG_CTRL1		0x09
31#define TAS6424_DC_DIAG_CTRL2		0x0a
32#define TAS6424_DC_DIAG_CTRL3		0x0b
33#define TAS6424_DC_LOAD_DIAG_REP12	0x0c
34#define TAS6424_DC_LOAD_DIAG_REP34	0x0d
35#define TAS6424_DC_LOAD_DIAG_REPLO	0x0e
36#define TAS6424_CHANNEL_STATE		0x0f
37#define TAS6424_CHANNEL_FAULT		0x10
38#define TAS6424_GLOB_FAULT1		0x11
39#define TAS6424_GLOB_FAULT2		0x12
40#define TAS6424_WARN			0x13
41#define TAS6424_PIN_CTRL		0x14
42#define TAS6424_AC_DIAG_CTRL1		0x15
43#define TAS6424_AC_DIAG_CTRL2		0x16
44#define TAS6424_AC_LOAD_DIAG_REP1	0x17
45#define TAS6424_AC_LOAD_DIAG_REP2	0x18
46#define TAS6424_AC_LOAD_DIAG_REP3	0x19
47#define TAS6424_AC_LOAD_DIAG_REP4	0x1a
48#define TAS6424_MISC_CTRL3		0x21
49#define TAS6424_CLIP_CTRL		0x22
50#define TAS6424_CLIP_WINDOW		0x23
51#define TAS6424_CLIP_WARN		0x24
52#define TAS6424_CBC_STAT		0x25
53#define TAS6424_MISC_CTRL4		0x26
54#define TAS6424_MAX			TAS6424_MISC_CTRL4
55
56/* TAS6424_MODE_CTRL_REG */
57#define TAS6424_RESET			BIT(7)
58
59/* TAS6424_SAP_CTRL_REG */
60#define TAS6424_SAP_RATE_MASK		GENMASK(7, 6)
61#define TAS6424_SAP_RATE_44100		(0x00 << 6)
62#define TAS6424_SAP_RATE_48000		(0x01 << 6)
63#define TAS6424_SAP_RATE_96000		(0x02 << 6)
64#define TAS6424_SAP_TDM_SLOT_LAST	BIT(5)
65#define TAS6424_SAP_TDM_SLOT_SZ_16	BIT(4)
66#define TAS6424_SAP_TDM_SLOT_SWAP	BIT(3)
67#define TAS6424_SAP_FMT_MASK		GENMASK(2, 0)
68#define TAS6424_SAP_RIGHTJ_24		(0x00 << 0)
69#define TAS6424_SAP_RIGHTJ_20		(0x01 << 0)
70#define TAS6424_SAP_RIGHTJ_18		(0x02 << 0)
71#define TAS6424_SAP_RIGHTJ_16		(0x03 << 0)
72#define TAS6424_SAP_I2S			(0x04 << 0)
73#define TAS6424_SAP_LEFTJ		(0x05 << 0)
74#define TAS6424_SAP_DSP			(0x06 << 0)
75
76/* TAS6424_CH_STATE_CTRL_REG */
77#define TAS6424_CH1_STATE_MASK		GENMASK(7, 6)
78#define TAS6424_CH1_STATE_PLAY		(0x00 << 6)
79#define TAS6424_CH1_STATE_HIZ		(0x01 << 6)
80#define TAS6424_CH1_STATE_MUTE		(0x02 << 6)
81#define TAS6424_CH1_STATE_DIAG		(0x03 << 6)
82#define TAS6424_CH2_STATE_MASK		GENMASK(5, 4)
83#define TAS6424_CH2_STATE_PLAY		(0x00 << 4)
84#define TAS6424_CH2_STATE_HIZ		(0x01 << 4)
85#define TAS6424_CH2_STATE_MUTE		(0x02 << 4)
86#define TAS6424_CH2_STATE_DIAG		(0x03 << 4)
87#define TAS6424_CH3_STATE_MASK		GENMASK(3, 2)
88#define TAS6424_CH3_STATE_PLAY		(0x00 << 2)
89#define TAS6424_CH3_STATE_HIZ		(0x01 << 2)
90#define TAS6424_CH3_STATE_MUTE		(0x02 << 2)
91#define TAS6424_CH3_STATE_DIAG		(0x03 << 2)
92#define TAS6424_CH4_STATE_MASK		GENMASK(1, 0)
93#define TAS6424_CH4_STATE_PLAY		(0x00 << 0)
94#define TAS6424_CH4_STATE_HIZ		(0x01 << 0)
95#define TAS6424_CH4_STATE_MUTE		(0x02 << 0)
96#define TAS6424_CH4_STATE_DIAG		(0x03 << 0)
97#define TAS6424_ALL_STATE_PLAY		(TAS6424_CH1_STATE_PLAY | \
98					 TAS6424_CH2_STATE_PLAY | \
99					 TAS6424_CH3_STATE_PLAY | \
100					 TAS6424_CH4_STATE_PLAY)
101#define TAS6424_ALL_STATE_HIZ		(TAS6424_CH1_STATE_HIZ | \
102					 TAS6424_CH2_STATE_HIZ | \
103					 TAS6424_CH3_STATE_HIZ | \
104					 TAS6424_CH4_STATE_HIZ)
105#define TAS6424_ALL_STATE_MUTE		(TAS6424_CH1_STATE_MUTE | \
106					 TAS6424_CH2_STATE_MUTE | \
107					 TAS6424_CH3_STATE_MUTE | \
108					 TAS6424_CH4_STATE_MUTE)
109#define TAS6424_ALL_STATE_DIAG		(TAS6424_CH1_STATE_DIAG | \
110					 TAS6424_CH2_STATE_DIAG | \
111					 TAS6424_CH3_STATE_DIAG | \
112					 TAS6424_CH4_STATE_DIAG)
113
114/* TAS6424_DC_DIAG_CTRL1 */
115#define TAS6424_LDGBYPASS_SHIFT		0
116#define TAS6424_LDGBYPASS_MASK		BIT(TAS6424_LDGBYPASS_SHIFT)
117
118/* TAS6424_GLOB_FAULT1_REG */
119#define TAS6424_FAULT_OC_CH1		BIT(7)
120#define TAS6424_FAULT_OC_CH2		BIT(6)
121#define TAS6424_FAULT_OC_CH3		BIT(5)
122#define TAS6424_FAULT_OC_CH4		BIT(4)
123#define TAS6424_FAULT_DC_CH1		BIT(3)
124#define TAS6424_FAULT_DC_CH2		BIT(2)
125#define TAS6424_FAULT_DC_CH3		BIT(1)
126#define TAS6424_FAULT_DC_CH4		BIT(0)
127
128/* TAS6424_GLOB_FAULT1_REG */
129#define TAS6424_FAULT_CLOCK		BIT(4)
130#define TAS6424_FAULT_PVDD_OV		BIT(3)
131#define TAS6424_FAULT_VBAT_OV		BIT(2)
132#define TAS6424_FAULT_PVDD_UV		BIT(1)
133#define TAS6424_FAULT_VBAT_UV		BIT(0)
134
135/* TAS6424_GLOB_FAULT2_REG */
136#define TAS6424_FAULT_OTSD		BIT(4)
137#define TAS6424_FAULT_OTSD_CH1		BIT(3)
138#define TAS6424_FAULT_OTSD_CH2		BIT(2)
139#define TAS6424_FAULT_OTSD_CH3		BIT(1)
140#define TAS6424_FAULT_OTSD_CH4		BIT(0)
141
142/* TAS6424_WARN_REG */
143#define TAS6424_WARN_VDD_UV		BIT(6)
144#define TAS6424_WARN_VDD_POR		BIT(5)
145#define TAS6424_WARN_VDD_OTW		BIT(4)
146#define TAS6424_WARN_VDD_OTW_CH1	BIT(3)
147#define TAS6424_WARN_VDD_OTW_CH2	BIT(2)
148#define TAS6424_WARN_VDD_OTW_CH3	BIT(1)
149#define TAS6424_WARN_VDD_OTW_CH4	BIT(0)
150
151/* TAS6424_MISC_CTRL3_REG */
152#define TAS6424_CLEAR_FAULT		BIT(7)
153#define TAS6424_PBTL_CH_SEL		BIT(6)
154#define TAS6424_MASK_CBC_WARN		BIT(5)
155#define TAS6424_MASK_VDD_UV		BIT(4)
156#define TAS6424_OTSD_AUTO_RECOVERY	BIT(3)
157
158#endif /* __TAS6424_H__ */
159