mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
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5f60d5f6bb
asm/unaligned.h is always an include of asm-generic/unaligned.h; might as well move that thing to linux/unaligned.h and include that - there's nothing arch-specific in that header. auto-generated by the following: for i in `git grep -l -w asm/unaligned.h`; do sed -i -e "s/asm\/unaligned.h/linux\/unaligned.h/" $i done for i in `git grep -l -w asm-generic/unaligned.h`; do sed -i -e "s/asm-generic\/unaligned.h/linux\/unaligned.h/" $i done git mv include/asm-generic/unaligned.h include/linux/unaligned.h git mv tools/include/asm-generic/unaligned.h tools/include/linux/unaligned.h sed -i -e "/unaligned.h/d" include/asm-generic/Kbuild sed -i -e "s/__ASM_GENERIC/__LINUX/" include/linux/unaligned.h tools/include/linux/unaligned.h
521 lines
17 KiB
C
521 lines
17 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Fuel gauge driver for Maxim 17201/17205
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*
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* based on max1721x_battery.c
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*
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* Copyright (C) 2024 Liebherr-Electronics and Drives GmbH
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*/
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#include <linux/bitfield.h>
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#include <linux/i2c.h>
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#include <linux/module.h>
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#include <linux/nvmem-provider.h>
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#include <linux/power_supply.h>
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#include <linux/regmap.h>
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#include <linux/unaligned.h>
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/* Nonvolatile registers */
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#define MAX1720X_NXTABLE0 0x80
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#define MAX1720X_NRSENSE 0xCF /* RSense in 10^-5 Ohm */
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#define MAX1720X_NDEVICE_NAME4 0xDF
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/* ModelGauge m5 */
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#define MAX172XX_STATUS 0x00 /* Status */
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#define MAX172XX_STATUS_BAT_ABSENT BIT(3) /* Battery absent */
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#define MAX172XX_REPCAP 0x05 /* Average capacity */
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#define MAX172XX_REPSOC 0x06 /* Percentage of charge */
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#define MAX172XX_TEMP 0x08 /* Temperature */
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#define MAX172XX_CURRENT 0x0A /* Actual current */
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#define MAX172XX_AVG_CURRENT 0x0B /* Average current */
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#define MAX172XX_TTE 0x11 /* Time to empty */
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#define MAX172XX_AVG_TA 0x16 /* Average temperature */
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#define MAX172XX_CYCLES 0x17
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#define MAX172XX_DESIGN_CAP 0x18 /* Design capacity */
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#define MAX172XX_AVG_VCELL 0x19
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#define MAX172XX_TTF 0x20 /* Time to full */
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#define MAX172XX_DEV_NAME 0x21 /* Device name */
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#define MAX172XX_DEV_NAME_TYPE_MASK GENMASK(3, 0)
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#define MAX172XX_DEV_NAME_TYPE_MAX17201 BIT(0)
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#define MAX172XX_DEV_NAME_TYPE_MAX17205 (BIT(0) | BIT(2))
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#define MAX172XX_QR_TABLE10 0x22
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#define MAX172XX_BATT 0xDA /* Battery voltage */
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#define MAX172XX_ATAVCAP 0xDF
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static const char *const max1720x_manufacturer = "Maxim Integrated";
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static const char *const max17201_model = "MAX17201";
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static const char *const max17205_model = "MAX17205";
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struct max1720x_device_info {
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struct regmap *regmap;
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struct regmap *regmap_nv;
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struct i2c_client *ancillary;
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int rsense;
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};
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/*
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* Model Gauge M5 Algorithm output register
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* Volatile data (must not be cached)
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*/
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static const struct regmap_range max1720x_volatile_allow[] = {
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regmap_reg_range(MAX172XX_STATUS, MAX172XX_CYCLES),
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regmap_reg_range(MAX172XX_AVG_VCELL, MAX172XX_TTF),
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regmap_reg_range(MAX172XX_QR_TABLE10, MAX172XX_ATAVCAP),
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};
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static const struct regmap_range max1720x_readable_allow[] = {
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regmap_reg_range(MAX172XX_STATUS, MAX172XX_ATAVCAP),
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};
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static const struct regmap_range max1720x_readable_deny[] = {
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/* unused registers */
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regmap_reg_range(0x24, 0x26),
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regmap_reg_range(0x30, 0x31),
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regmap_reg_range(0x33, 0x34),
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regmap_reg_range(0x37, 0x37),
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regmap_reg_range(0x3B, 0x3C),
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regmap_reg_range(0x40, 0x41),
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regmap_reg_range(0x43, 0x44),
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regmap_reg_range(0x47, 0x49),
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regmap_reg_range(0x4B, 0x4C),
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regmap_reg_range(0x4E, 0xAF),
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regmap_reg_range(0xB1, 0xB3),
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regmap_reg_range(0xB5, 0xB7),
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regmap_reg_range(0xBF, 0xD0),
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regmap_reg_range(0xDB, 0xDB),
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regmap_reg_range(0xE0, 0xFF),
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};
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static const struct regmap_access_table max1720x_readable_regs = {
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.yes_ranges = max1720x_readable_allow,
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.n_yes_ranges = ARRAY_SIZE(max1720x_readable_allow),
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.no_ranges = max1720x_readable_deny,
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.n_no_ranges = ARRAY_SIZE(max1720x_readable_deny),
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};
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static const struct regmap_access_table max1720x_volatile_regs = {
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.yes_ranges = max1720x_volatile_allow,
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.n_yes_ranges = ARRAY_SIZE(max1720x_volatile_allow),
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.no_ranges = max1720x_readable_deny,
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.n_no_ranges = ARRAY_SIZE(max1720x_readable_deny),
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};
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static const struct regmap_config max1720x_regmap_cfg = {
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.reg_bits = 8,
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.val_bits = 16,
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.max_register = MAX172XX_ATAVCAP,
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.val_format_endian = REGMAP_ENDIAN_LITTLE,
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.rd_table = &max1720x_readable_regs,
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.volatile_table = &max1720x_volatile_regs,
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.cache_type = REGCACHE_RBTREE,
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};
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static const struct regmap_range max1720x_nvmem_allow[] = {
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regmap_reg_range(MAX1720X_NXTABLE0, MAX1720X_NDEVICE_NAME4),
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};
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static const struct regmap_range max1720x_nvmem_deny[] = {
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regmap_reg_range(0x00, 0x7F),
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regmap_reg_range(0xE0, 0xFF),
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};
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static const struct regmap_access_table max1720x_nvmem_regs = {
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.yes_ranges = max1720x_nvmem_allow,
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.n_yes_ranges = ARRAY_SIZE(max1720x_nvmem_allow),
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.no_ranges = max1720x_nvmem_deny,
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.n_no_ranges = ARRAY_SIZE(max1720x_nvmem_deny),
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};
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static const struct regmap_config max1720x_nvmem_regmap_cfg = {
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.reg_bits = 8,
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.val_bits = 16,
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.max_register = MAX1720X_NDEVICE_NAME4,
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.val_format_endian = REGMAP_ENDIAN_LITTLE,
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.rd_table = &max1720x_nvmem_regs,
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};
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static const struct nvmem_cell_info max1720x_nvmem_cells[] = {
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{ .name = "nXTable0", .offset = 0, .bytes = 2, },
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{ .name = "nXTable1", .offset = 2, .bytes = 2, },
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{ .name = "nXTable2", .offset = 4, .bytes = 2, },
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{ .name = "nXTable3", .offset = 6, .bytes = 2, },
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{ .name = "nXTable4", .offset = 8, .bytes = 2, },
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{ .name = "nXTable5", .offset = 10, .bytes = 2, },
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{ .name = "nXTable6", .offset = 12, .bytes = 2, },
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{ .name = "nXTable7", .offset = 14, .bytes = 2, },
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{ .name = "nXTable8", .offset = 16, .bytes = 2, },
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{ .name = "nXTable9", .offset = 18, .bytes = 2, },
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{ .name = "nXTable10", .offset = 20, .bytes = 2, },
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{ .name = "nXTable11", .offset = 22, .bytes = 2, },
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{ .name = "nUser18C", .offset = 24, .bytes = 2, },
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{ .name = "nUser18D", .offset = 26, .bytes = 2, },
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{ .name = "nODSCTh", .offset = 28, .bytes = 2, },
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{ .name = "nODSCCfg", .offset = 30, .bytes = 2, },
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{ .name = "nOCVTable0", .offset = 32, .bytes = 2, },
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{ .name = "nOCVTable1", .offset = 34, .bytes = 2, },
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{ .name = "nOCVTable2", .offset = 36, .bytes = 2, },
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{ .name = "nOCVTable3", .offset = 38, .bytes = 2, },
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{ .name = "nOCVTable4", .offset = 40, .bytes = 2, },
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{ .name = "nOCVTable5", .offset = 42, .bytes = 2, },
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{ .name = "nOCVTable6", .offset = 44, .bytes = 2, },
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{ .name = "nOCVTable7", .offset = 46, .bytes = 2, },
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{ .name = "nOCVTable8", .offset = 48, .bytes = 2, },
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{ .name = "nOCVTable9", .offset = 50, .bytes = 2, },
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{ .name = "nOCVTable10", .offset = 52, .bytes = 2, },
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{ .name = "nOCVTable11", .offset = 54, .bytes = 2, },
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{ .name = "nIChgTerm", .offset = 56, .bytes = 2, },
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{ .name = "nFilterCfg", .offset = 58, .bytes = 2, },
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{ .name = "nVEmpty", .offset = 60, .bytes = 2, },
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{ .name = "nLearnCfg", .offset = 62, .bytes = 2, },
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{ .name = "nQRTable00", .offset = 64, .bytes = 2, },
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{ .name = "nQRTable10", .offset = 66, .bytes = 2, },
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{ .name = "nQRTable20", .offset = 68, .bytes = 2, },
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{ .name = "nQRTable30", .offset = 70, .bytes = 2, },
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{ .name = "nCycles", .offset = 72, .bytes = 2, },
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{ .name = "nFullCapNom", .offset = 74, .bytes = 2, },
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{ .name = "nRComp0", .offset = 76, .bytes = 2, },
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{ .name = "nTempCo", .offset = 78, .bytes = 2, },
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{ .name = "nIAvgEmpty", .offset = 80, .bytes = 2, },
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{ .name = "nFullCapRep", .offset = 82, .bytes = 2, },
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{ .name = "nVoltTemp", .offset = 84, .bytes = 2, },
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{ .name = "nMaxMinCurr", .offset = 86, .bytes = 2, },
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{ .name = "nMaxMinVolt", .offset = 88, .bytes = 2, },
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{ .name = "nMaxMinTemp", .offset = 90, .bytes = 2, },
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{ .name = "nSOC", .offset = 92, .bytes = 2, },
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{ .name = "nTimerH", .offset = 94, .bytes = 2, },
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{ .name = "nConfig", .offset = 96, .bytes = 2, },
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{ .name = "nRippleCfg", .offset = 98, .bytes = 2, },
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{ .name = "nMiscCfg", .offset = 100, .bytes = 2, },
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{ .name = "nDesignCap", .offset = 102, .bytes = 2, },
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{ .name = "nHibCfg", .offset = 104, .bytes = 2, },
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{ .name = "nPackCfg", .offset = 106, .bytes = 2, },
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{ .name = "nRelaxCfg", .offset = 108, .bytes = 2, },
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{ .name = "nConvgCfg", .offset = 110, .bytes = 2, },
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{ .name = "nNVCfg0", .offset = 112, .bytes = 2, },
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{ .name = "nNVCfg1", .offset = 114, .bytes = 2, },
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{ .name = "nNVCfg2", .offset = 116, .bytes = 2, },
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{ .name = "nSBSCfg", .offset = 118, .bytes = 2, },
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{ .name = "nROMID0", .offset = 120, .bytes = 2, },
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{ .name = "nROMID1", .offset = 122, .bytes = 2, },
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{ .name = "nROMID2", .offset = 124, .bytes = 2, },
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{ .name = "nROMID3", .offset = 126, .bytes = 2, },
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{ .name = "nVAlrtTh", .offset = 128, .bytes = 2, },
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{ .name = "nTAlrtTh", .offset = 130, .bytes = 2, },
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{ .name = "nSAlrtTh", .offset = 132, .bytes = 2, },
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{ .name = "nIAlrtTh", .offset = 134, .bytes = 2, },
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{ .name = "nUser1C4", .offset = 136, .bytes = 2, },
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{ .name = "nUser1C5", .offset = 138, .bytes = 2, },
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{ .name = "nFullSOCThr", .offset = 140, .bytes = 2, },
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{ .name = "nTTFCfg", .offset = 142, .bytes = 2, },
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{ .name = "nCGain", .offset = 144, .bytes = 2, },
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{ .name = "nTCurve", .offset = 146, .bytes = 2, },
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{ .name = "nTGain", .offset = 148, .bytes = 2, },
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{ .name = "nTOff", .offset = 150, .bytes = 2, },
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{ .name = "nManfctrName0", .offset = 152, .bytes = 2, },
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{ .name = "nManfctrName1", .offset = 154, .bytes = 2, },
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{ .name = "nManfctrName2", .offset = 156, .bytes = 2, },
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{ .name = "nRSense", .offset = 158, .bytes = 2, },
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{ .name = "nUser1D0", .offset = 160, .bytes = 2, },
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{ .name = "nUser1D1", .offset = 162, .bytes = 2, },
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{ .name = "nAgeFcCfg", .offset = 164, .bytes = 2, },
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{ .name = "nDesignVoltage", .offset = 166, .bytes = 2, },
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{ .name = "nUser1D4", .offset = 168, .bytes = 2, },
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{ .name = "nRFastVShdn", .offset = 170, .bytes = 2, },
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{ .name = "nManfctrDate", .offset = 172, .bytes = 2, },
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{ .name = "nFirstUsed", .offset = 174, .bytes = 2, },
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{ .name = "nSerialNumber0", .offset = 176, .bytes = 2, },
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{ .name = "nSerialNumber1", .offset = 178, .bytes = 2, },
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{ .name = "nSerialNumber2", .offset = 180, .bytes = 2, },
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{ .name = "nDeviceName0", .offset = 182, .bytes = 2, },
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{ .name = "nDeviceName1", .offset = 184, .bytes = 2, },
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{ .name = "nDeviceName2", .offset = 186, .bytes = 2, },
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{ .name = "nDeviceName3", .offset = 188, .bytes = 2, },
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{ .name = "nDeviceName4", .offset = 190, .bytes = 2, },
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};
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static const enum power_supply_property max1720x_battery_props[] = {
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POWER_SUPPLY_PROP_PRESENT,
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POWER_SUPPLY_PROP_CAPACITY,
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POWER_SUPPLY_PROP_VOLTAGE_NOW,
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POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN,
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POWER_SUPPLY_PROP_CHARGE_AVG,
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POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG,
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POWER_SUPPLY_PROP_TIME_TO_FULL_AVG,
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POWER_SUPPLY_PROP_TEMP,
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POWER_SUPPLY_PROP_CURRENT_NOW,
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POWER_SUPPLY_PROP_CURRENT_AVG,
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POWER_SUPPLY_PROP_MODEL_NAME,
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POWER_SUPPLY_PROP_MANUFACTURER,
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};
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/* Convert regs value to power_supply units */
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static int max172xx_time_to_ps(unsigned int reg)
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{
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return reg * 5625 / 1000; /* in sec. */
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}
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static int max172xx_percent_to_ps(unsigned int reg)
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{
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return reg / 256; /* in percent from 0 to 100 */
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}
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static int max172xx_voltage_to_ps(unsigned int reg)
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{
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return reg * 1250; /* in uV */
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}
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static int max172xx_capacity_to_ps(unsigned int reg)
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{
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return reg * 500; /* in uAh */
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}
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/*
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* Current and temperature is signed values, so unsigned regs
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* value must be converted to signed type
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*/
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static int max172xx_temperature_to_ps(unsigned int reg)
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{
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int val = (int16_t)reg;
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return val * 10 / 256; /* in tenths of deg. C */
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}
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/*
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* Calculating current registers resolution:
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*
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* RSense stored in 10^-5 Ohm, so mesaurment voltage must be
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* in 10^-11 Volts for get current in uA.
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* 16 bit current reg fullscale +/-51.2mV is 102400 uV.
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* So: 102400 / 65535 * 10^5 = 156252
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*/
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static int max172xx_current_to_voltage(unsigned int reg)
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{
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int val = (int16_t)reg;
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return val * 156252;
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}
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static int max1720x_battery_get_property(struct power_supply *psy,
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enum power_supply_property psp,
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union power_supply_propval *val)
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{
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struct max1720x_device_info *info = power_supply_get_drvdata(psy);
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unsigned int reg_val;
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int ret = 0;
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switch (psp) {
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case POWER_SUPPLY_PROP_PRESENT:
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/*
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* POWER_SUPPLY_PROP_PRESENT will always readable via
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* sysfs interface. Value return 0 if battery not
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* present or unaccesable via I2c.
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*/
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ret = regmap_read(info->regmap, MAX172XX_STATUS, ®_val);
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if (ret < 0) {
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val->intval = 0;
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return 0;
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}
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val->intval = !FIELD_GET(MAX172XX_STATUS_BAT_ABSENT, reg_val);
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break;
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case POWER_SUPPLY_PROP_CAPACITY:
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ret = regmap_read(info->regmap, MAX172XX_REPSOC, ®_val);
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val->intval = max172xx_percent_to_ps(reg_val);
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break;
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case POWER_SUPPLY_PROP_VOLTAGE_NOW:
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ret = regmap_read(info->regmap, MAX172XX_BATT, ®_val);
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val->intval = max172xx_voltage_to_ps(reg_val);
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break;
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case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN:
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ret = regmap_read(info->regmap, MAX172XX_DESIGN_CAP, ®_val);
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val->intval = max172xx_capacity_to_ps(reg_val);
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break;
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case POWER_SUPPLY_PROP_CHARGE_AVG:
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ret = regmap_read(info->regmap, MAX172XX_REPCAP, ®_val);
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val->intval = max172xx_capacity_to_ps(reg_val);
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break;
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case POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG:
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ret = regmap_read(info->regmap, MAX172XX_TTE, ®_val);
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val->intval = max172xx_time_to_ps(reg_val);
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break;
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case POWER_SUPPLY_PROP_TIME_TO_FULL_AVG:
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ret = regmap_read(info->regmap, MAX172XX_TTF, ®_val);
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val->intval = max172xx_time_to_ps(reg_val);
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break;
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case POWER_SUPPLY_PROP_TEMP:
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ret = regmap_read(info->regmap, MAX172XX_TEMP, ®_val);
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val->intval = max172xx_temperature_to_ps(reg_val);
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break;
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case POWER_SUPPLY_PROP_CURRENT_NOW:
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ret = regmap_read(info->regmap, MAX172XX_CURRENT, ®_val);
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val->intval = max172xx_current_to_voltage(reg_val) / info->rsense;
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break;
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case POWER_SUPPLY_PROP_CURRENT_AVG:
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ret = regmap_read(info->regmap, MAX172XX_AVG_CURRENT, ®_val);
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val->intval = max172xx_current_to_voltage(reg_val) / info->rsense;
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break;
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case POWER_SUPPLY_PROP_MODEL_NAME:
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ret = regmap_read(info->regmap, MAX172XX_DEV_NAME, ®_val);
|
|
reg_val = FIELD_GET(MAX172XX_DEV_NAME_TYPE_MASK, reg_val);
|
|
if (reg_val == MAX172XX_DEV_NAME_TYPE_MAX17201)
|
|
val->strval = max17201_model;
|
|
else if (reg_val == MAX172XX_DEV_NAME_TYPE_MAX17205)
|
|
val->strval = max17205_model;
|
|
else
|
|
return -ENODEV;
|
|
break;
|
|
case POWER_SUPPLY_PROP_MANUFACTURER:
|
|
val->strval = max1720x_manufacturer;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static
|
|
int max1720x_nvmem_reg_read(void *priv, unsigned int off, void *val, size_t len)
|
|
{
|
|
struct max1720x_device_info *info = priv;
|
|
unsigned int reg = MAX1720X_NXTABLE0 + (off / 2);
|
|
|
|
return regmap_bulk_read(info->regmap_nv, reg, val, len / 2);
|
|
}
|
|
|
|
static void max1720x_unregister_ancillary(void *data)
|
|
{
|
|
struct max1720x_device_info *info = data;
|
|
|
|
i2c_unregister_device(info->ancillary);
|
|
}
|
|
|
|
static int max1720x_probe_nvmem(struct i2c_client *client,
|
|
struct max1720x_device_info *info)
|
|
{
|
|
struct device *dev = &client->dev;
|
|
struct nvmem_config nvmem_config = {
|
|
.dev = dev,
|
|
.name = "max1720x_nvmem",
|
|
.cells = max1720x_nvmem_cells,
|
|
.ncells = ARRAY_SIZE(max1720x_nvmem_cells),
|
|
.read_only = true,
|
|
.root_only = true,
|
|
.reg_read = max1720x_nvmem_reg_read,
|
|
.size = ARRAY_SIZE(max1720x_nvmem_cells) * 2,
|
|
.word_size = 2,
|
|
.stride = 2,
|
|
.priv = info,
|
|
};
|
|
struct nvmem_device *nvmem;
|
|
unsigned int val;
|
|
int ret;
|
|
|
|
info->ancillary = i2c_new_ancillary_device(client, "nvmem", 0xb);
|
|
if (IS_ERR(info->ancillary)) {
|
|
dev_err(dev, "Failed to initialize ancillary i2c device\n");
|
|
return PTR_ERR(info->ancillary);
|
|
}
|
|
|
|
ret = devm_add_action_or_reset(dev, max1720x_unregister_ancillary, info);
|
|
if (ret) {
|
|
dev_err(dev, "Failed to add unregister callback\n");
|
|
return ret;
|
|
}
|
|
|
|
info->regmap_nv = devm_regmap_init_i2c(info->ancillary,
|
|
&max1720x_nvmem_regmap_cfg);
|
|
if (IS_ERR(info->regmap_nv)) {
|
|
dev_err(dev, "regmap initialization of nvmem failed\n");
|
|
return PTR_ERR(info->regmap_nv);
|
|
}
|
|
|
|
ret = regmap_read(info->regmap_nv, MAX1720X_NRSENSE, &val);
|
|
if (ret < 0) {
|
|
dev_err(dev, "Failed to read sense resistor value\n");
|
|
return ret;
|
|
}
|
|
|
|
info->rsense = val;
|
|
if (!info->rsense) {
|
|
dev_warn(dev, "RSense not calibrated, set 10 mOhms!\n");
|
|
info->rsense = 1000; /* in regs in 10^-5 */
|
|
}
|
|
|
|
nvmem = devm_nvmem_register(dev, &nvmem_config);
|
|
if (IS_ERR(nvmem)) {
|
|
dev_err(dev, "Could not register nvmem!");
|
|
return PTR_ERR(nvmem);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct power_supply_desc max1720x_bat_desc = {
|
|
.name = "max1720x",
|
|
.no_thermal = true,
|
|
.type = POWER_SUPPLY_TYPE_BATTERY,
|
|
.properties = max1720x_battery_props,
|
|
.num_properties = ARRAY_SIZE(max1720x_battery_props),
|
|
.get_property = max1720x_battery_get_property,
|
|
};
|
|
|
|
static int max1720x_probe(struct i2c_client *client)
|
|
{
|
|
struct power_supply_config psy_cfg = {};
|
|
struct device *dev = &client->dev;
|
|
struct max1720x_device_info *info;
|
|
struct power_supply *bat;
|
|
int ret;
|
|
|
|
info = devm_kzalloc(dev, sizeof(*info), GFP_KERNEL);
|
|
if (!info)
|
|
return -ENOMEM;
|
|
|
|
psy_cfg.drv_data = info;
|
|
psy_cfg.fwnode = dev_fwnode(dev);
|
|
i2c_set_clientdata(client, info);
|
|
info->regmap = devm_regmap_init_i2c(client, &max1720x_regmap_cfg);
|
|
if (IS_ERR(info->regmap))
|
|
return dev_err_probe(dev, PTR_ERR(info->regmap),
|
|
"regmap initialization failed\n");
|
|
|
|
ret = max1720x_probe_nvmem(client, info);
|
|
if (ret)
|
|
return dev_err_probe(dev, ret, "Failed to probe nvmem\n");
|
|
|
|
bat = devm_power_supply_register(dev, &max1720x_bat_desc, &psy_cfg);
|
|
if (IS_ERR(bat))
|
|
return dev_err_probe(dev, PTR_ERR(bat),
|
|
"Failed to register power supply\n");
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct of_device_id max1720x_of_match[] = {
|
|
{ .compatible = "maxim,max17201" },
|
|
{}
|
|
};
|
|
MODULE_DEVICE_TABLE(of, max1720x_of_match);
|
|
|
|
static struct i2c_driver max1720x_i2c_driver = {
|
|
.driver = {
|
|
.name = "max1720x",
|
|
.of_match_table = max1720x_of_match,
|
|
},
|
|
.probe = max1720x_probe,
|
|
};
|
|
module_i2c_driver(max1720x_i2c_driver);
|
|
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_AUTHOR("Dimitri Fedrau <dima.fedrau@gmail.com>");
|
|
MODULE_DESCRIPTION("Maxim MAX17201/MAX17205 Fuel Gauge IC driver");
|