1/*
2 * tas2552.h - ALSA SoC Texas Instruments TAS2552 Mono Audio Amplifier
3 *
4 * Copyright (C) 2014 Texas Instruments Incorporated -  http://www.ti.com
5 *
6 * Author: Dan Murphy <dmurphy@ti.com>
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License
10 * version 2 as published by the Free Software Foundation.
11 *
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15 * General Public License for more details.
16 */
17
18#ifndef __TAS2552_H__
19#define __TAS2552_H__
20
21/* Register Address Map */
22#define TAS2552_DEVICE_STATUS	0x00
23#define TAS2552_CFG_1			0x01
24#define TAS2552_CFG_2			0x02
25#define TAS2552_CFG_3			0x03
26#define TAS2552_DOUT			0x04
27#define TAS2552_SER_CTRL_1		0x05
28#define TAS2552_SER_CTRL_2		0x06
29#define TAS2552_OUTPUT_DATA		0x07
30#define TAS2552_PLL_CTRL_1		0x08
31#define TAS2552_PLL_CTRL_2		0x09
32#define TAS2552_PLL_CTRL_3		0x0a
33#define TAS2552_BTIP			0x0b
34#define TAS2552_BTS_CTRL		0x0c
35#define TAS2552_RESERVED_0D		0x0d
36#define TAS2552_LIMIT_RATE_HYS	0x0e
37#define TAS2552_LIMIT_RELEASE	0x0f
38#define TAS2552_LIMIT_INT_COUNT	0x10
39#define TAS2552_PDM_CFG			0x11
40#define TAS2552_PGA_GAIN		0x12
41#define TAS2552_EDGE_RATE_CTRL	0x13
42#define TAS2552_BOOST_PT_CTRL	0x14
43#define TAS2552_VER_NUM			0x16
44#define TAS2552_VBAT_DATA		0x19
45#define TAS2552_MAX_REG			0x20
46
47/* CFG1 Register Masks */
48#define TAS2552_MUTE_MASK		(1 << 2)
49#define TAS2552_SWS_MASK		(1 << 1)
50#define TAS2552_WCLK_MASK		0x07
51#define TAS2552_CLASSD_EN_MASK	(1 << 7)
52
53/* CFG2 Register Masks */
54#define TAS2552_CLASSD_EN		(1 << 7)
55#define TAS2552_BOOST_EN		(1 << 6)
56#define TAS2552_APT_EN			(1 << 5)
57#define TAS2552_PLL_ENABLE		(1 << 3)
58#define TAS2552_LIM_EN			(1 << 2)
59#define TAS2552_IVSENSE_EN		(1 << 1)
60
61/* CFG3 Register Masks */
62#define TAS2552_WORD_CLK_MASK		(1 << 7)
63#define TAS2552_BIT_CLK_MASK		(1 << 6)
64#define TAS2552_DATA_FORMAT_MASK	(0x11 << 2)
65
66#define TAS2552_DAIFMT_I2S_MASK		0xf3
67#define TAS2552_DAIFMT_DSP			(1 << 3)
68#define TAS2552_DAIFMT_RIGHT_J		(1 << 4)
69#define TAS2552_DAIFMT_LEFT_J		(0x11 << 3)
70
71#define TAS2552_PLL_SRC_MCLK	0x00
72#define TAS2552_PLL_SRC_BCLK	(1 << 3)
73#define TAS2552_PLL_SRC_IVCLKIN	(1 << 4)
74#define TAS2552_PLL_SRC_1_8_FIXED (0x11 << 3)
75
76#define TAS2552_DIN_SRC_SEL_MUTED	0x00
77#define TAS2552_DIN_SRC_SEL_LEFT	(1 << 4)
78#define TAS2552_DIN_SRC_SEL_RIGHT	(1 << 5)
79#define TAS2552_DIN_SRC_SEL_AVG_L_R	(0x11 << 4)
80
81#define TAS2552_PDM_IN_SEL		(1 << 5)
82#define TAS2552_I2S_OUT_SEL		(1 << 6)
83#define TAS2552_ANALOG_IN_SEL	(1 << 7)
84
85/* CFG3 WCLK Dividers */
86#define TAS2552_8KHZ		0x00
87#define TAS2552_11_12KHZ	(1 << 1)
88#define TAS2552_16KHZ		(1 << 2)
89#define TAS2552_22_24KHZ	(1 << 3)
90#define TAS2552_32KHZ		(1 << 4)
91#define TAS2552_44_48KHZ	(1 << 5)
92#define TAS2552_88_96KHZ	(1 << 6)
93#define TAS2552_176_192KHZ	(1 << 7)
94
95/* OUTPUT_DATA register */
96#define TAS2552_PDM_DATA_I		0x00
97#define TAS2552_PDM_DATA_V		(1 << 6)
98#define TAS2552_PDM_DATA_I_V	(1 << 7)
99#define TAS2552_PDM_DATA_V_I	(0x11 << 6)
100
101/* PDM CFG Register */
102#define TAS2552_PDM_DATA_ES_RISE 0x4
103
104#define TAS2552_PDM_PLL_CLK_SEL 0x00
105#define TAS2552_PDM_IV_CLK_SEL	(1 << 1)
106#define TAS2552_PDM_BCLK_SEL	(1 << 2)
107#define TAS2552_PDM_MCLK_SEL	(1 << 3)
108
109/* Boost pass-through register */
110#define TAS2552_APT_DELAY_50	0x00
111#define TAS2552_APT_DELAY_75	(1 << 1)
112#define TAS2552_APT_DELAY_125	(1 << 2)
113#define TAS2552_APT_DELAY_200	(1 << 3)
114
115#define TAS2552_APT_THRESH_2_5		0x00
116#define TAS2552_APT_THRESH_1_7		(1 << 3)
117#define TAS2552_APT_THRESH_1_4_1_1	(1 << 4)
118#define TAS2552_APT_THRESH_2_1_7	(0x11 << 2)
119
120/* PLL Control Register */
121#define TAS2552_245MHZ_CLK			24576000
122#define TAS2552_225MHZ_CLK			22579200
123#define TAS2552_PLL_J_MASK			0x7f
124#define TAS2552_PLL_D_UPPER_MASK	0x3f
125#define TAS2552_PLL_D_LOWER_MASK	0xff
126#define TAS2552_PLL_BYPASS_MASK		0x80
127#define TAS2552_PLL_BYPASS			0x80
128
129#endif
130