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android / kernel / google-modules / bms / refs/heads/android-gs-bluejay-5.10-android15 / . / max1730x.h
blob: 58df593fefb37bdb93f6f24b11e8358047204a75 [file] [log] [blame]
AleX Pelosi78a4bea2020-09-01 19:02:24 -0700[diff] [blame]1/* SPDX-License-Identifier: GPL-2.0 */
Ken Tsou8acade12020-07-09 03:17:35 +0800[diff] [blame]2/*
AleX Pelosi78a4bea2020-09-01 19:02:24 -0700[diff] [blame]3 * Copyright 2019 Google, LLC
Ken Tsou8acade12020-07-09 03:17:35 +0800[diff] [blame]4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 */
15
16#ifndef MAX1730X_H_
17#define MAX1730X_H_
18
19#include <linux/device.h>
20#include <linux/regmap.h>
21#include "max1720x.h"
22
23#define MAX1730X_N_OF_HISTORY_PAGES 100
24
25#define MAX1730X_GAUGE_PASS1 0x404
26#define MAX1730X_NVPRTTH1_CHARGING 0x0008
27#define MAX1730X_NPROTCFG_PASS1 0x6EA3
28#define MAX1730X_NPROTCFG_PASS2 0x0A04
29
30enum max1730x_register {
31 MAX1730X_MAXMINVOLT = 0x08,
32 MAX1730X_MAXMINTEMP = 0x09,
33 MAX1730X_MAXMINCURR = 0x0A,
34 MAX1730X_CONFIG = 0x0B,
35 MAX1730X_FULLCAPREP = 0x10,
36 MAX1730X_VCELL = 0x1A,
37 MAX1730X_TEMP = 0x1B,
38 MAX1730X_CURRENT = 0x1C,
39 MAX1730X_AVGCURRENT = 0x1D,
40 MAX1730X_MIXCAP = 0x2B,
41 MAX1730X_FULLCAP = 0x35,
42 MAX1730X_LEARNCFG = 0xA1,
43 MAX1730X_MAXPEAKPWR = 0xA4,
44 MAX1730X_SUSPEAKPWR = 0xA5,
45 MAX1730X_PACKRESISTANCE = 0xA6,
46 MAX1730X_SYSRESISTANCE = 0xA7,
47 MAX1730X_MINSYSVOLTAGE = 0xA8,
48 MAX1730X_MPPCURRENT = 0xA9,
49 MAX1730X_SPPCURRENT = 0xAA,
50 MAX1730X_CONFIG2 = 0xAB,
51 MAX1730X_IALRTTH = 0xAC,
52 MAX1730X_MINVOLT = 0xAD,
53 MAX1730X_MINCURR = 0xAE,
54 MAX1730X_NVPRTTH1BAK = 0xD6,
55 MAX1730X_NPROTCFG = 0xD7,
56
57};
58
59enum max1730x_nvram {
60 MAX1730X_NVRAM_START = 0x80,
61 MAX1730X_NMANFCTRNAME0 = 0xCC,
62 MAX1730X_NMANFCTRNAME1 = 0xCD,
63 MAX1730X_NVPRTTH1 = 0xD0,
64 MAX1730X_NDPLIMIT = 0xE0,
65 MAX1730X_NSCOCVLIM = 0xE1,
66
67 MAX1730X_NVRAM_END = 0xEF,
68 MAX1730X_HISTORY_START = 0xF0,
69 MAX1730X_HISTORY_WRITE_STATUS_START = 0xF2,
70 MAX1730X_HISTORY_VALID_STATUS_END = 0xFB,
71 MAX1730X_HISTORY_WRITE_STATUS_END = 0xFE,
72 MAX1730X_HISTORY_END = 0xFF,
73};
74
75enum max1730x_command_bits {
76 MAX1730X_COMMAND_FUEL_GAUGE_RESET = 0x8000,
77 MAX1730X_READ_HISTORY_CMD_BASE = 0xE22E,
78 MAX1730X_COMMAND_HISTORY_RECALL_WRITE_0 = 0xE29C,
79 MAX1730X_COMMAND_HISTORY_RECALL_VALID_0 = 0xE29C,
80 MAX1730X_COMMAND_HISTORY_RECALL_VALID_1 = 0xE29D,
81};
82
83#define MAX1730X_HISTORY_PAGE_SIZE \
84 (MAX1730X_HISTORY_END - MAX1730X_HISTORY_START + 1)
85
86#define MAX1730X_N_OF_HISTORY_FLAGS_REG \
87 (MAX1730X_HISTORY_END - \
88 MAX1730X_HISTORY_END + 1 + \
89 MAX1730X_HISTORY_VALID_STATUS_END - \
90 MAX1730X_HISTORY_START + 1)
91
92/** ------------------------------------------------------------------------ */
93
94static bool max1730x_is_reg(struct device *dev, unsigned int reg)
95{
96 switch (reg) {
97 case MAX1720X_COMMAND:
98 case MAX1720X_COMMSTAT:
99 case MAX1720X_LOCK:
100 case MAX1720X_ODSCTH:
101 case MAX1720X_ODSCCFG:
102 case MAX1720X_VFOCV:
103 case MAX1720X_VFSOC:
104 case 0x00 ... 0x4F:
105 case 0xA0 ... 0xAE:
106 case 0xB0 ... 0xDF:
107 case 0xF0:
108 case 0xF5:
109 return true;
110 }
111
112 return false;
113}
114
115static const struct regmap_config max1730x_regmap_cfg = {
116 .reg_bits = 8,
117 .val_bits = 16,
118 .val_format_endian = REGMAP_ENDIAN_NATIVE,
119 .max_register = MAX1720X_VFSOC,
120 .readable_reg = max1730x_is_reg,
121 .volatile_reg = max1730x_is_reg,
122};
123
124static bool max1730x_is_nvram_reg(struct device *dev, unsigned int reg)
125{
126 return (reg >= MAX1730X_NVRAM_START &&
127 reg <= MAX1730X_HISTORY_END);
128}
129
130const struct regmap_config max1730x_regmap_nvram_cfg = {
131 .reg_bits = 8,
132 .val_bits = 16,
133 .val_format_endian = REGMAP_ENDIAN_NATIVE,
134 .max_register = MAX1730X_HISTORY_END,
135 .readable_reg = max1730x_is_nvram_reg,
136 .volatile_reg = max1730x_is_nvram_reg,
137};
138
139/** ------------------------------------------------------------------------ */
140
141/* see b/119416045 for layout */
142static const struct max17x0x_reg max1730x[] = {
143 [MAX17X0X_TAG_avgc] = { ATOM_INIT_REG16(MAX1730X_AVGCURRENT)},
144 [MAX17X0X_TAG_cnfg] = { ATOM_INIT_REG16(MAX1730X_CONFIG)},
145 [MAX17X0X_TAG_mmdv] = { ATOM_INIT_REG16(MAX1730X_MAXMINVOLT)},
146 [MAX17X0X_TAG_vcel] = { ATOM_INIT_REG16(MAX1730X_VCELL)},
147 [MAX17X0X_TAG_temp] = { ATOM_INIT_REG16(MAX1730X_TEMP)},
148 [MAX17X0X_TAG_curr] = { ATOM_INIT_REG16(MAX1730X_CURRENT)},
149 [MAX17X0X_TAG_mcap] = { ATOM_INIT_REG16(MAX1730X_MIXCAP)},
150 [MAX17X0X_TAG_avgr] = { ATOM_INIT_REG16(MAX1730X_NMANFCTRNAME1) },
151 [MAX17X0X_TAG_vfsoc] = { ATOM_INIT_REG16(MAX1720X_VFSOC)},
152 [MAX17X0X_TAG_vfocv] = { ATOM_INIT_REG16(MAX1720X_VFOCV)},
153
154 [MAX17X0X_TAG_BCNT] = { ATOM_INIT_MAP(0x8e, 0x8f, 0x9d, 0x9e, 0x9f,
155 0xb2, 0xb4, 0xb6, 0xc7, 0xe2)},
156 [MAX17X0X_TAG_SNUM] = { ATOM_INIT_MAP(0xce, 0xe6, 0xe7, 0xe8, 0xe9,
157 0xea, 0xeb, 0xec, 0xed, 0xee,
158 0xef) },
159
160 [MAX17X0X_TAG_HSTY] = { ATOM_INIT_SET(0xf0, 0xf2, 0xfb, 0xfe, 0xff) },
161 [MAX17X0X_TAG_BCEA] = { ATOM_INIT_SET(MAX1730X_NMANFCTRNAME0,
162 MAX1730X_NDPLIMIT,
163 MAX1730X_NSCOCVLIM) },
164 [MAX17X0X_TAG_rset] = { ATOM_INIT_SET16(MAX1730X_CONFIG2,
165 MAX1730X_COMMAND_FUEL_GAUGE_RESET,
166 700)},
167 [MAX17X0X_TAG_BRES] = { ATOM_INIT_SET(MAX1730X_NMANFCTRNAME1,
168 MAX1730X_NMANFCTRNAME0) },
169};
170
171#endif