Lines Matching refs:di
977 #define BQ27XXX_DM_BUF(di, i) { \
978 .class = (di)->dm_regs[i].subclass_id, \
979 .block = (di)->dm_regs[i].offset / BQ27XXX_DM_SZ, \
1012 struct bq27xxx_device_info *di;
1021 list_for_each_entry(di, &bq27xxx_battery_devices, list)
1022 mod_delayed_work(system_wq, &di->work, 0);
1042 static inline int bq27xxx_read(struct bq27xxx_device_info *di, int reg_index,
1047 if (!di || di->regs[reg_index] == INVALID_REG_ADDR)
1050 ret = di->bus.read(di, di->regs[reg_index], single);
1052 dev_dbg(di->dev, "failed to read register 0x%02x (index %d)\n",
1053 di->regs[reg_index], reg_index);
1058 static inline int bq27xxx_write(struct bq27xxx_device_info *di, int reg_index,
1063 if (!di || di->regs[reg_index] == INVALID_REG_ADDR)
1066 if (!di->bus.write)
1069 ret = di->bus.write(di, di->regs[reg_index], value, single);
1071 dev_dbg(di->dev, "failed to write register 0x%02x (index %d)\n",
1072 di->regs[reg_index], reg_index);
1077 static inline int bq27xxx_read_block(struct bq27xxx_device_info *di, int reg_index,
1082 if (!di || di->regs[reg_index] == INVALID_REG_ADDR)
1085 if (!di->bus.read_bulk)
1088 ret = di->bus.read_bulk(di, di->regs[reg_index], data, len);
1090 dev_dbg(di->dev, "failed to read_bulk register 0x%02x (index %d)\n",
1091 di->regs[reg_index], reg_index);
1096 static inline int bq27xxx_write_block(struct bq27xxx_device_info *di, int reg_index,
1101 if (!di || di->regs[reg_index] == INVALID_REG_ADDR)
1104 if (!di->bus.write_bulk)
1107 ret = di->bus.write_bulk(di, di->regs[reg_index], data, len);
1109 dev_dbg(di->dev, "failed to write_bulk register 0x%02x (index %d)\n",
1110 di->regs[reg_index], reg_index);
1115 static int bq27xxx_battery_seal(struct bq27xxx_device_info *di)
1119 ret = bq27xxx_write(di, BQ27XXX_REG_CTRL, BQ27XXX_SEALED, false);
1121 dev_err(di->dev, "bus error on seal: %d\n", ret);
1128 static int bq27xxx_battery_unseal(struct bq27xxx_device_info *di)
1132 if (di->unseal_key == 0) {
1133 dev_err(di->dev, "unseal failed due to missing key\n");
1137 ret = bq27xxx_write(di, BQ27XXX_REG_CTRL, (u16)(di->unseal_key >> 16), false);
1141 ret = bq27xxx_write(di, BQ27XXX_REG_CTRL, (u16)di->unseal_key, false);
1148 dev_err(di->dev, "bus error on unseal: %d\n", ret);
1164 static int bq27xxx_battery_read_dm_block(struct bq27xxx_device_info *di,
1171 ret = bq27xxx_write(di, BQ27XXX_DM_CLASS, buf->class, true);
1175 ret = bq27xxx_write(di, BQ27XXX_DM_BLOCK, buf->block, true);
1181 ret = bq27xxx_read_block(di, BQ27XXX_DM_DATA, buf->data, BQ27XXX_DM_SZ);
1185 ret = bq27xxx_read(di, BQ27XXX_DM_CKSUM, true);
1200 dev_err(di->dev, "bus error reading chip memory: %d\n", ret);
1204 static void bq27xxx_battery_update_dm_block(struct bq27xxx_device_info *di,
1209 struct bq27xxx_dm_reg *reg = &di->dm_regs[reg_id];
1214 dev_warn(di->dev, "buffer does not match %s dm spec\n", str);
1219 dev_warn(di->dev, "%s dm spec has unsupported byte size\n", str);
1227 dev_info(di->dev, "%s has %u\n", str, val);
1232 if (!(di->opts & BQ27XXX_O_RAM) && !bq27xxx_dt_to_nvm) {
1234 if (!(di->opts & BQ27XXX_O_RAM)) {
1237 dev_warn(di->dev, "%s has %u; update to %u disallowed "
1247 dev_info(di->dev, "update %s to %u\n", str, val);
1253 static int bq27xxx_battery_cfgupdate_priv(struct bq27xxx_device_info *di, bool active)
1259 ret = bq27xxx_write(di, BQ27XXX_REG_CTRL, cmd, false);
1265 ret = bq27xxx_read(di, BQ27XXX_REG_FLAGS, false);
1270 if (!try && di->chip != BQ27425) { // 425 has a bug
1271 dev_err(di->dev, "timed out waiting for cfgupdate flag %d\n", active);
1276 dev_warn(di->dev, "cfgupdate %d, retries %d\n", active, limit - try);
1281 static inline int bq27xxx_battery_set_cfgupdate(struct bq27xxx_device_info *di)
1283 int ret = bq27xxx_battery_cfgupdate_priv(di, true);
1285 dev_err(di->dev, "bus error on set_cfgupdate: %d\n", ret);
1290 static inline int bq27xxx_battery_soft_reset(struct bq27xxx_device_info *di)
1292 int ret = bq27xxx_battery_cfgupdate_priv(di, false);
1294 dev_err(di->dev, "bus error on soft_reset: %d\n", ret);
1299 static int bq27xxx_battery_write_dm_block(struct bq27xxx_device_info *di,
1302 bool cfgup = di->opts & BQ27XXX_O_CFGUP;
1309 ret = bq27xxx_battery_set_cfgupdate(di);
1314 ret = bq27xxx_write(di, BQ27XXX_DM_CTRL, 0, true);
1318 ret = bq27xxx_write(di, BQ27XXX_DM_CLASS, buf->class, true);
1322 ret = bq27xxx_write(di, BQ27XXX_DM_BLOCK, buf->block, true);
1328 ret = bq27xxx_write_block(di, BQ27XXX_DM_DATA, buf->data, BQ27XXX_DM_SZ);
1332 ret = bq27xxx_write(di, BQ27XXX_DM_CKSUM,
1344 ret = bq27xxx_battery_soft_reset(di);
1357 bq27xxx_battery_soft_reset(di);
1359 dev_err(di->dev, "bus error writing chip memory: %d\n", ret);
1363 static void bq27xxx_battery_set_config(struct bq27xxx_device_info *di,
1366 struct bq27xxx_dm_buf bd = BQ27XXX_DM_BUF(di, BQ27XXX_DM_DESIGN_CAPACITY);
1367 struct bq27xxx_dm_buf bt = BQ27XXX_DM_BUF(di, BQ27XXX_DM_TERMINATE_VOLTAGE);
1370 if (bq27xxx_battery_unseal(di) < 0)
1375 bq27xxx_battery_read_dm_block(di, &bd);
1377 bq27xxx_battery_update_dm_block(di, &bd,
1380 bq27xxx_battery_update_dm_block(di, &bd,
1388 bq27xxx_battery_read_dm_block(di, &bt);
1389 bq27xxx_battery_update_dm_block(di, same ? &bd : &bt,
1396 bq27xxx_battery_write_dm_block(di, &bd);
1397 bq27xxx_battery_write_dm_block(di, &bt);
1399 bq27xxx_battery_seal(di);
1401 if (updated && !(di->opts & BQ27XXX_O_CFGUP)) {
1402 bq27xxx_write(di, BQ27XXX_REG_CTRL, BQ27XXX_RESET, false);
1408 static void bq27xxx_battery_settings(struct bq27xxx_device_info *di)
1413 if (power_supply_get_battery_info(di->bat, &info) < 0)
1416 if (!di->dm_regs) {
1417 dev_warn(di->dev, "data memory update not supported for chip\n");
1423 dev_warn(di->dev, "missing battery:energy-full-design-microwatt-hours\n");
1425 dev_warn(di->dev, "missing battery:charge-full-design-microamp-hours\n");
1429 max = di->dm_regs[BQ27XXX_DM_DESIGN_ENERGY].max;
1431 dev_err(di->dev, "invalid battery:energy-full-design-microwatt-hours %d\n",
1437 max = di->dm_regs[BQ27XXX_DM_DESIGN_CAPACITY].max;
1439 dev_err(di->dev, "invalid battery:charge-full-design-microamp-hours %d\n",
1444 min = di->dm_regs[BQ27XXX_DM_TERMINATE_VOLTAGE].min;
1445 max = di->dm_regs[BQ27XXX_DM_TERMINATE_VOLTAGE].max;
1449 dev_err(di->dev, "invalid battery:voltage-min-design-microvolt %d\n",
1457 bq27xxx_battery_set_config(di, &info);
1464 static int bq27xxx_battery_read_soc(struct bq27xxx_device_info *di)
1468 if (di->opts & BQ27XXX_O_SOC_SI)
1469 soc = bq27xxx_read(di, BQ27XXX_REG_SOC, true);
1471 soc = bq27xxx_read(di, BQ27XXX_REG_SOC, false);
1474 dev_dbg(di->dev, "error reading State-of-Charge\n");
1483 static int bq27xxx_battery_read_charge(struct bq27xxx_device_info *di, u8 reg)
1487 charge = bq27xxx_read(di, reg, false);
1489 dev_dbg(di->dev, "error reading charge register %02x: %d\n",
1494 if (di->opts & BQ27XXX_O_ZERO)
1506 static inline int bq27xxx_battery_read_nac(struct bq27xxx_device_info *di)
1508 return bq27xxx_battery_read_charge(di, BQ27XXX_REG_NAC);
1515 static inline int bq27xxx_battery_read_fcc(struct bq27xxx_device_info *di)
1517 return bq27xxx_battery_read_charge(di, BQ27XXX_REG_FCC);
1524 static int bq27xxx_battery_read_dcap(struct bq27xxx_device_info *di)
1528 if (di->opts & BQ27XXX_O_ZERO)
1529 dcap = bq27xxx_read(di, BQ27XXX_REG_DCAP, true);
1531 dcap = bq27xxx_read(di, BQ27XXX_REG_DCAP, false);
1534 dev_dbg(di->dev, "error reading initial last measured discharge\n");
1538 if (di->opts & BQ27XXX_O_ZERO)
1550 static int bq27xxx_battery_read_energy(struct bq27xxx_device_info *di)
1554 ae = bq27xxx_read(di, BQ27XXX_REG_AE, false);
1556 dev_dbg(di->dev, "error reading available energy\n");
1560 if (di->opts & BQ27XXX_O_ZERO)
1572 static int bq27xxx_battery_read_temperature(struct bq27xxx_device_info *di)
1576 temp = bq27xxx_read(di, BQ27XXX_REG_TEMP, false);
1578 dev_err(di->dev, "error reading temperature\n");
1582 if (di->opts & BQ27XXX_O_ZERO)
1592 static int bq27xxx_battery_read_cyct(struct bq27xxx_device_info *di)
1596 cyct = bq27xxx_read(di, BQ27XXX_REG_CYCT, false);
1598 dev_err(di->dev, "error reading cycle count total\n");
1607 static int bq27xxx_battery_read_time(struct bq27xxx_device_info *di, u8 reg)
1611 tval = bq27xxx_read(di, reg, false);
1613 dev_dbg(di->dev, "error reading time register %02x: %d\n",
1627 static bool bq27xxx_battery_overtemp(struct bq27xxx_device_info *di, u16 flags)
1629 if (di->opts & BQ27XXX_O_OTDC)
1631 if (di->opts & BQ27XXX_O_UTOT)
1640 static bool bq27xxx_battery_undertemp(struct bq27xxx_device_info *di, u16 flags)
1642 if (di->opts & BQ27XXX_O_UTOT)
1651 static bool bq27xxx_battery_dead(struct bq27xxx_device_info *di, u16 flags)
1653 if (di->opts & BQ27XXX_O_ZERO)
1655 else if (di->opts & BQ27Z561_O_BITS)
1664 static bool bq27xxx_battery_capacity_inaccurate(struct bq27xxx_device_info *di,
1667 if (di->opts & BQ27XXX_O_HAS_CI)
1673 static int bq27xxx_battery_read_health(struct bq27xxx_device_info *di)
1676 if (unlikely(bq27xxx_battery_overtemp(di, di->cache.flags)))
1678 if (unlikely(bq27xxx_battery_undertemp(di, di->cache.flags)))
1680 if (unlikely(bq27xxx_battery_dead(di, di->cache.flags)))
1682 if (unlikely(bq27xxx_battery_capacity_inaccurate(di, di->cache.flags)))
1688 static bool bq27xxx_battery_is_full(struct bq27xxx_device_info *di, int flags)
1690 if (di->opts & BQ27XXX_O_ZERO)
1692 else if (di->opts & BQ27Z561_O_BITS)
1704 struct bq27xxx_device_info *di,
1709 bool single_flags = (di->opts & BQ27XXX_O_ZERO);
1713 curr = bq27xxx_read(di, BQ27XXX_REG_AI, false);
1715 dev_err(di->dev, "error reading current\n");
1722 flags = bq27xxx_read(di, BQ27XXX_REG_FLAGS, single_flags);
1724 dev_err(di->dev, "error reading flags\n");
1729 if (di->opts & BQ27XXX_O_ZERO) {
1731 dev_dbg(di->dev, "negative current!\n");
1750 if (bq27xxx_battery_is_full(di, flags))
1761 static void bq27xxx_battery_update_unlocked(struct bq27xxx_device_info *di)
1763 union power_supply_propval status = di->last_status;
1765 bool has_singe_flag = di->opts & BQ27XXX_O_ZERO;
1767 cache.flags = bq27xxx_read(di, BQ27XXX_REG_FLAGS, has_singe_flag);
1771 cache.temperature = bq27xxx_battery_read_temperature(di);
1772 if (di->regs[BQ27XXX_REG_TTE] != INVALID_REG_ADDR)
1773 cache.time_to_empty = bq27xxx_battery_read_time(di, BQ27XXX_REG_TTE);
1774 if (di->regs[BQ27XXX_REG_TTECP] != INVALID_REG_ADDR)
1775 cache.time_to_empty_avg = bq27xxx_battery_read_time(di, BQ27XXX_REG_TTECP);
1776 if (di->regs[BQ27XXX_REG_TTF] != INVALID_REG_ADDR)
1777 cache.time_to_full = bq27xxx_battery_read_time(di, BQ27XXX_REG_TTF);
1779 cache.charge_full = bq27xxx_battery_read_fcc(di);
1780 cache.capacity = bq27xxx_battery_read_soc(di);
1781 if (di->regs[BQ27XXX_REG_AE] != INVALID_REG_ADDR)
1782 cache.energy = bq27xxx_battery_read_energy(di);
1783 di->cache.flags = cache.flags;
1784 cache.health = bq27xxx_battery_read_health(di);
1785 if (di->regs[BQ27XXX_REG_CYCT] != INVALID_REG_ADDR)
1786 cache.cycle_count = bq27xxx_battery_read_cyct(di);
1792 if (!(di->opts & BQ27XXX_O_ZERO))
1793 bq27xxx_battery_current_and_status(di, NULL, &status, &cache);
1796 if (di->charge_design_full <= 0)
1797 di->charge_design_full = bq27xxx_battery_read_dcap(di);
1800 if ((di->cache.capacity != cache.capacity) ||
1801 (di->cache.flags != cache.flags) ||
1802 (di->last_status.intval != status.intval)) {
1803 di->last_status.intval = status.intval;
1804 power_supply_changed(di->bat);
1807 if (memcmp(&di->cache, &cache, sizeof(cache)) != 0)
1808 di->cache = cache;
1810 di->last_update = jiffies;
1812 if (!di->removed && poll_interval > 0)
1813 mod_delayed_work(system_wq, &di->work, poll_interval * HZ);
1816 void bq27xxx_battery_update(struct bq27xxx_device_info *di)
1818 mutex_lock(&di->lock);
1819 bq27xxx_battery_update_unlocked(di);
1820 mutex_unlock(&di->lock);
1826 struct bq27xxx_device_info *di =
1830 bq27xxx_battery_update(di);
1837 static int bq27xxx_battery_pwr_avg(struct bq27xxx_device_info *di,
1842 power = bq27xxx_read(di, BQ27XXX_REG_AP, false);
1844 dev_err(di->dev,
1850 if (di->opts & BQ27XXX_O_ZERO)
1859 static int bq27xxx_battery_capacity_level(struct bq27xxx_device_info *di,
1864 if (di->opts & BQ27XXX_O_ZERO) {
1865 if (di->cache.flags & BQ27000_FLAG_FC)
1867 else if (di->cache.flags & BQ27000_FLAG_EDV1)
1869 else if (di->cache.flags & BQ27000_FLAG_EDVF)
1873 } else if (di->opts & BQ27Z561_O_BITS) {
1874 if (di->cache.flags & BQ27Z561_FLAG_FC)
1876 else if (di->cache.flags & BQ27Z561_FLAG_FDC)
1881 if (di->cache.flags & BQ27XXX_FLAG_FC)
1883 else if (di->cache.flags & BQ27XXX_FLAG_SOC1)
1885 else if (di->cache.flags & BQ27XXX_FLAG_SOCF)
1900 static int bq27xxx_battery_voltage(struct bq27xxx_device_info *di,
1905 volt = bq27xxx_read(di, BQ27XXX_REG_VOLT, false);
1907 dev_err(di->dev, "error reading voltage\n");
1932 struct bq27xxx_device_info *di = power_supply_get_drvdata(psy);
1934 mutex_lock(&di->lock);
1935 if (time_is_before_jiffies(di->last_update + 5 * HZ))
1936 bq27xxx_battery_update_unlocked(di);
1937 mutex_unlock(&di->lock);
1939 if (psp != POWER_SUPPLY_PROP_PRESENT && di->cache.flags < 0)
1944 ret = bq27xxx_battery_current_and_status(di, NULL, val, NULL);
1947 ret = bq27xxx_battery_voltage(di, val);
1950 val->intval = di->cache.flags < 0 ? 0 : 1;
1953 ret = bq27xxx_battery_current_and_status(di, val, NULL, NULL);
1956 ret = bq27xxx_simple_value(di->cache.capacity, val);
1959 ret = bq27xxx_battery_capacity_level(di, val);
1962 ret = bq27xxx_simple_value(di->cache.temperature, val);
1967 ret = bq27xxx_simple_value(di->cache.time_to_empty, val);
1970 ret = bq27xxx_simple_value(di->cache.time_to_empty_avg, val);
1973 ret = bq27xxx_simple_value(di->cache.time_to_full, val);
1976 if (di->opts & BQ27XXX_O_MUL_CHEM)
1982 ret = bq27xxx_simple_value(bq27xxx_battery_read_nac(di), val);
1985 ret = bq27xxx_simple_value(di->cache.charge_full, val);
1988 ret = bq27xxx_simple_value(di->charge_design_full, val);
1998 ret = bq27xxx_simple_value(di->cache.cycle_count, val);
2001 ret = bq27xxx_simple_value(di->cache.energy, val);
2004 ret = bq27xxx_battery_pwr_avg(di, val);
2007 ret = bq27xxx_simple_value(di->cache.health, val);
2021 struct bq27xxx_device_info *di = power_supply_get_drvdata(psy);
2024 mod_delayed_work(system_wq, &di->work, HZ / 2);
2027 int bq27xxx_battery_setup(struct bq27xxx_device_info *di)
2031 .of_node = di->dev->of_node,
2032 .drv_data = di,
2035 INIT_DELAYED_WORK(&di->work, bq27xxx_battery_poll);
2036 mutex_init(&di->lock);
2038 di->regs = bq27xxx_chip_data[di->chip].regs;
2039 di->unseal_key = bq27xxx_chip_data[di->chip].unseal_key;
2040 di->dm_regs = bq27xxx_chip_data[di->chip].dm_regs;
2041 di->opts = bq27xxx_chip_data[di->chip].opts;
2043 psy_desc = devm_kzalloc(di->dev, sizeof(*psy_desc), GFP_KERNEL);
2047 psy_desc->name = di->name;
2049 psy_desc->properties = bq27xxx_chip_data[di->chip].props;
2050 psy_desc->num_properties = bq27xxx_chip_data[di->chip].props_size;
2054 di->bat = power_supply_register_no_ws(di->dev, psy_desc, &psy_cfg);
2055 if (IS_ERR(di->bat))
2056 return dev_err_probe(di->dev, PTR_ERR(di->bat),
2059 bq27xxx_battery_settings(di);
2060 bq27xxx_battery_update(di);
2063 list_add(&di->list, &bq27xxx_battery_devices);
2070 void bq27xxx_battery_teardown(struct bq27xxx_device_info *di)
2073 list_del(&di->list);
2077 mutex_lock(&di->lock);
2078 di->removed = true;
2079 mutex_unlock(&di->lock);
2081 cancel_delayed_work_sync(&di->work);
2083 power_supply_unregister(di->bat);
2084 mutex_destroy(&di->lock);