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1/* SPDX-License-Identifier: GPL-2.0 */
2//
3// ALSA SoC Texas Instruments TAS2563/TAS2781 Audio Smart Amplifier
4//
5// Copyright (C) 2022 - 2023 Texas Instruments Incorporated
6// https://www.ti.com
7//
8// The TAS2563/TAS2781 driver implements a flexible and configurable
9// algo coefficient setting for one, two, or even multiple
10// TAS2563/TAS2781 chips.
11//
12// Author: Shenghao Ding <shenghao-ding@ti.com>
13// Author: Kevin Lu <kevin-lu@ti.com>
14//
15
16#ifndef __TAS2781_H__
17#define __TAS2781_H__
18
19#include "tas2781-dsp.h"
20
21/* version number */
22#define TAS2781_DRV_VER 1
23#define SMARTAMP_MODULE_NAME "tas2781"
24#define TAS2781_GLOBAL_ADDR 0x40
25#define TAS2563_GLOBAL_ADDR 0x48
26#define TASDEVICE_RATES (SNDRV_PCM_RATE_44100 |\
27 SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000 |\
28 SNDRV_PCM_RATE_88200)
29
30#define TASDEVICE_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \
31 SNDRV_PCM_FMTBIT_S24_LE | \
32 SNDRV_PCM_FMTBIT_S32_LE)
33
34/*PAGE Control Register (available in page0 of each book) */
35#define TASDEVICE_PAGE_SELECT 0x00
36#define TASDEVICE_BOOKCTL_PAGE 0x00
37#define TASDEVICE_BOOKCTL_REG 127
38#define TASDEVICE_BOOK_ID(reg) (reg / (256 * 128))
39#define TASDEVICE_PAGE_ID(reg) ((reg % (256 * 128)) / 128)
40#define TASDEVICE_PAGE_REG(reg) ((reg % (256 * 128)) % 128)
41#define TASDEVICE_PGRG(reg) (reg % (256 * 128))
42#define TASDEVICE_REG(book, page, reg) (((book * 256 * 128) + \
43 (page * 128)) + reg)
44
45/*Software Reset */
46#define TAS2781_REG_SWRESET TASDEVICE_REG(0x0, 0X0, 0x01)
47#define TAS2781_REG_SWRESET_RESET BIT(0)
48
49/*I2C Checksum */
50#define TASDEVICE_I2CChecksum TASDEVICE_REG(0x0, 0x0, 0x7E)
51
52/* Volume control */
53#define TAS2781_DVC_LVL TASDEVICE_REG(0x0, 0x0, 0x1A)
54#define TAS2781_AMP_LEVEL TASDEVICE_REG(0x0, 0x0, 0x03)
55#define TAS2781_AMP_LEVEL_MASK GENMASK(5, 1)
56
57#define TASDEVICE_CMD_SING_W 0x1
58#define TASDEVICE_CMD_BURST 0x2
59#define TASDEVICE_CMD_DELAY 0x3
60#define TASDEVICE_CMD_FIELD_W 0x4
61
62enum audio_device {
63 TAS2563,
64 TAS2781,
65};
66
67enum device_catlog_id {
68 LENOVO = 0,
69 OTHERS
70};
71
72struct tasdevice {
73 struct tasdevice_fw *cali_data_fmw;
74 unsigned int dev_addr;
75 unsigned int err_code;
76 unsigned char cur_book;
77 short cur_prog;
78 short cur_conf;
79 bool is_loading;
80 bool is_loaderr;
81};
82
83struct tasdevice_irqinfo {
84 int irq_gpio;
85 int irq;
86};
87
88struct calidata {
89 unsigned char *data;
90 unsigned long total_sz;
91};
92
93struct tasdevice_priv {
94 struct tasdevice tasdevice[TASDEVICE_MAX_CHANNELS];
95 struct tasdevice_irqinfo irq_info;
96 struct tasdevice_rca rcabin;
97 struct calidata cali_data;
98 struct tasdevice_fw *fmw;
99 struct gpio_desc *reset;
100 struct mutex codec_lock;
101 struct regmap *regmap;
102 struct device *dev;
103 struct tm tm;
104
105 enum device_catlog_id catlog_id;
106 unsigned char cal_binaryname[TASDEVICE_MAX_CHANNELS][64];
107 unsigned char crc8_lkp_tbl[CRC8_TABLE_SIZE];
108 unsigned char coef_binaryname[64];
109 unsigned char rca_binaryname[64];
110 unsigned char dev_name[32];
111 unsigned char ndev;
112 unsigned int magic_num;
113 unsigned int chip_id;
114 unsigned int sysclk;
115
116 int cur_prog;
117 int cur_conf;
118 int fw_state;
119 int index;
120 void *client;
121 void *codec;
122 bool force_fwload_status;
123 bool playback_started;
124 bool isacpi;
125 unsigned int global_addr;
126
127 int (*fw_parse_variable_header)(struct tasdevice_priv *tas_priv,
128 const struct firmware *fmw, int offset);
129 int (*fw_parse_program_data)(struct tasdevice_priv *tas_priv,
130 struct tasdevice_fw *tas_fmw,
131 const struct firmware *fmw, int offset);
132 int (*fw_parse_configuration_data)(struct tasdevice_priv *tas_priv,
133 struct tasdevice_fw *tas_fmw,
134 const struct firmware *fmw, int offset);
135 int (*tasdevice_load_block)(struct tasdevice_priv *tas_priv,
136 struct tasdev_blk *block);
137
138 int (*save_calibration)(struct tasdevice_priv *tas_priv);
139 void (*apply_calibration)(struct tasdevice_priv *tas_priv);
140};
141
142void tas2781_reset(struct tasdevice_priv *tas_dev);
143int tascodec_init(struct tasdevice_priv *tas_priv, void *codec,
144 struct module *module,
145 void (*cont)(const struct firmware *fw, void *context));
146struct tasdevice_priv *tasdevice_kzalloc(struct i2c_client *i2c);
147int tasdevice_init(struct tasdevice_priv *tas_priv);
148void tasdevice_remove(struct tasdevice_priv *tas_priv);
149int tasdevice_save_calibration(struct tasdevice_priv *tas_priv);
150void tasdevice_apply_calibration(struct tasdevice_priv *tas_priv);
151int tasdevice_dev_read(struct tasdevice_priv *tas_priv,
152 unsigned short chn, unsigned int reg, unsigned int *value);
153int tasdevice_dev_write(struct tasdevice_priv *tas_priv,
154 unsigned short chn, unsigned int reg, unsigned int value);
155int tasdevice_dev_bulk_write(
156 struct tasdevice_priv *tas_priv, unsigned short chn,
157 unsigned int reg, unsigned char *p_data, unsigned int n_length);
158int tasdevice_dev_bulk_read(struct tasdevice_priv *tas_priv,
159 unsigned short chn, unsigned int reg, unsigned char *p_data,
160 unsigned int n_length);
161int tasdevice_dev_update_bits(
162 struct tasdevice_priv *tasdevice, unsigned short chn,
163 unsigned int reg, unsigned int mask, unsigned int value);
164int tasdevice_amp_putvol(struct tasdevice_priv *tas_priv,
165 struct snd_ctl_elem_value *ucontrol, struct soc_mixer_control *mc);
166int tasdevice_amp_getvol(struct tasdevice_priv *tas_priv,
167 struct snd_ctl_elem_value *ucontrol, struct soc_mixer_control *mc);
168int tasdevice_digital_putvol(struct tasdevice_priv *tas_priv,
169 struct snd_ctl_elem_value *ucontrol, struct soc_mixer_control *mc);
170int tasdevice_digital_getvol(struct tasdevice_priv *tas_priv,
171 struct snd_ctl_elem_value *ucontrol, struct soc_mixer_control *mc);
172
173#endif /* __TAS2781_H__ */
174

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source code of linux/include/sound/tas2781.h