Lines Matching refs:di
1042 #define BQ27XXX_DM_BUF(di, i) { \ argument
1043 .class = (di)->dm_regs[i].subclass_id, \
1044 .block = (di)->dm_regs[i].offset / BQ27XXX_DM_SZ, \
1077 struct bq27xxx_device_info *di; in poll_interval_param_set() local
1086 list_for_each_entry(di, &bq27xxx_battery_devices, list) { in poll_interval_param_set()
1087 cancel_delayed_work_sync(&di->work); in poll_interval_param_set()
1088 schedule_delayed_work(&di->work, 0); in poll_interval_param_set()
1109 static inline int bq27xxx_read(struct bq27xxx_device_info *di, int reg_index, in bq27xxx_read() argument
1114 if (!di || di->regs[reg_index] == INVALID_REG_ADDR) in bq27xxx_read()
1117 ret = di->bus.read(di, di->regs[reg_index], single); in bq27xxx_read()
1119 dev_dbg(di->dev, "failed to read register 0x%02x (index %d)\n", in bq27xxx_read()
1120 di->regs[reg_index], reg_index); in bq27xxx_read()
1125 static inline int bq27xxx_write(struct bq27xxx_device_info *di, int reg_index, in bq27xxx_write() argument
1130 if (!di || di->regs[reg_index] == INVALID_REG_ADDR) in bq27xxx_write()
1133 if (!di->bus.write) in bq27xxx_write()
1136 ret = di->bus.write(di, di->regs[reg_index], value, single); in bq27xxx_write()
1138 dev_dbg(di->dev, "failed to write register 0x%02x (index %d)\n", in bq27xxx_write()
1139 di->regs[reg_index], reg_index); in bq27xxx_write()
1144 static inline int bq27xxx_read_block(struct bq27xxx_device_info *di, int reg_index, in bq27xxx_read_block() argument
1149 if (!di || di->regs[reg_index] == INVALID_REG_ADDR) in bq27xxx_read_block()
1152 if (!di->bus.read_bulk) in bq27xxx_read_block()
1155 ret = di->bus.read_bulk(di, di->regs[reg_index], data, len); in bq27xxx_read_block()
1157 dev_dbg(di->dev, "failed to read_bulk register 0x%02x (index %d)\n", in bq27xxx_read_block()
1158 di->regs[reg_index], reg_index); in bq27xxx_read_block()
1163 static inline int bq27xxx_write_block(struct bq27xxx_device_info *di, int reg_index, in bq27xxx_write_block() argument
1168 if (!di || di->regs[reg_index] == INVALID_REG_ADDR) in bq27xxx_write_block()
1171 if (!di->bus.write_bulk) in bq27xxx_write_block()
1174 ret = di->bus.write_bulk(di, di->regs[reg_index], data, len); in bq27xxx_write_block()
1176 dev_dbg(di->dev, "failed to write_bulk register 0x%02x (index %d)\n", in bq27xxx_write_block()
1177 di->regs[reg_index], reg_index); in bq27xxx_write_block()
1182 static int bq27xxx_battery_seal(struct bq27xxx_device_info *di) in bq27xxx_battery_seal() argument
1186 ret = bq27xxx_write(di, BQ27XXX_REG_CTRL, BQ27XXX_SEALED, false); in bq27xxx_battery_seal()
1188 dev_err(di->dev, "bus error on seal: %d\n", ret); in bq27xxx_battery_seal()
1195 static int bq27xxx_battery_unseal(struct bq27xxx_device_info *di) in bq27xxx_battery_unseal() argument
1199 if (di->unseal_key == 0) { in bq27xxx_battery_unseal()
1200 dev_err(di->dev, "unseal failed due to missing key\n"); in bq27xxx_battery_unseal()
1204 ret = bq27xxx_write(di, BQ27XXX_REG_CTRL, (u16)(di->unseal_key >> 16), false); in bq27xxx_battery_unseal()
1208 ret = bq27xxx_write(di, BQ27XXX_REG_CTRL, (u16)di->unseal_key, false); in bq27xxx_battery_unseal()
1215 dev_err(di->dev, "bus error on unseal: %d\n", ret); in bq27xxx_battery_unseal()
1231 static int bq27xxx_battery_read_dm_block(struct bq27xxx_device_info *di, in bq27xxx_battery_read_dm_block() argument
1238 ret = bq27xxx_write(di, BQ27XXX_DM_CLASS, buf->class, true); in bq27xxx_battery_read_dm_block()
1242 ret = bq27xxx_write(di, BQ27XXX_DM_BLOCK, buf->block, true); in bq27xxx_battery_read_dm_block()
1248 ret = bq27xxx_read_block(di, BQ27XXX_DM_DATA, buf->data, BQ27XXX_DM_SZ); in bq27xxx_battery_read_dm_block()
1252 ret = bq27xxx_read(di, BQ27XXX_DM_CKSUM, true); in bq27xxx_battery_read_dm_block()
1267 dev_err(di->dev, "bus error reading chip memory: %d\n", ret); in bq27xxx_battery_read_dm_block()
1271 static void bq27xxx_battery_update_dm_block(struct bq27xxx_device_info *di, argument
1276 struct bq27xxx_dm_reg *reg = &di->dm_regs[reg_id];
1281 dev_warn(di->dev, "buffer does not match %s dm spec\n", str);
1286 dev_warn(di->dev, "%s dm spec has unsupported byte size\n", str);
1294 dev_info(di->dev, "%s has %u\n", str, val);
1299 if (!(di->opts & BQ27XXX_O_RAM) && !bq27xxx_dt_to_nvm) {
1301 if (!(di->opts & BQ27XXX_O_RAM)) {
1304 dev_warn(di->dev, "%s has %u; update to %u disallowed "
1314 dev_info(di->dev, "update %s to %u\n", str, val);
1320 static int bq27xxx_battery_cfgupdate_priv(struct bq27xxx_device_info *di, bool active) argument
1326 ret = bq27xxx_write(di, BQ27XXX_REG_CTRL, cmd, false);
1332 ret = bq27xxx_read(di, BQ27XXX_REG_FLAGS, false);
1337 if (!try && di->chip != BQ27425) { // 425 has a bug
1338 dev_err(di->dev, "timed out waiting for cfgupdate flag %d\n", active);
1343 dev_warn(di->dev, "cfgupdate %d, retries %d\n", active, limit - try);
1348 static inline int bq27xxx_battery_set_cfgupdate(struct bq27xxx_device_info *di) argument
1350 int ret = bq27xxx_battery_cfgupdate_priv(di, true);
1352 dev_err(di->dev, "bus error on set_cfgupdate: %d\n", ret);
1357 static inline int bq27xxx_battery_soft_reset(struct bq27xxx_device_info *di) argument
1359 int ret = bq27xxx_battery_cfgupdate_priv(di, false);
1361 dev_err(di->dev, "bus error on soft_reset: %d\n", ret);
1366 static int bq27xxx_battery_write_dm_block(struct bq27xxx_device_info *di, argument
1369 bool cfgup = di->opts & BQ27XXX_O_CFGUP;
1376 ret = bq27xxx_battery_set_cfgupdate(di);
1381 ret = bq27xxx_write(di, BQ27XXX_DM_CTRL, 0, true);
1385 ret = bq27xxx_write(di, BQ27XXX_DM_CLASS, buf->class, true);
1389 ret = bq27xxx_write(di, BQ27XXX_DM_BLOCK, buf->block, true);
1395 ret = bq27xxx_write_block(di, BQ27XXX_DM_DATA, buf->data, BQ27XXX_DM_SZ);
1399 ret = bq27xxx_write(di, BQ27XXX_DM_CKSUM,
1411 ret = bq27xxx_battery_soft_reset(di);
1424 bq27xxx_battery_soft_reset(di);
1426 dev_err(di->dev, "bus error writing chip memory: %d\n", ret);
1430 static void bq27xxx_battery_set_config(struct bq27xxx_device_info *di, argument
1433 struct bq27xxx_dm_buf bd = BQ27XXX_DM_BUF(di, BQ27XXX_DM_DESIGN_CAPACITY);
1434 struct bq27xxx_dm_buf bt = BQ27XXX_DM_BUF(di, BQ27XXX_DM_TERMINATE_VOLTAGE);
1437 if (bq27xxx_battery_unseal(di) < 0)
1442 bq27xxx_battery_read_dm_block(di, &bd);
1444 bq27xxx_battery_update_dm_block(di, &bd,
1447 bq27xxx_battery_update_dm_block(di, &bd,
1455 bq27xxx_battery_read_dm_block(di, &bt);
1456 bq27xxx_battery_update_dm_block(di, same ? &bd : &bt,
1463 bq27xxx_battery_write_dm_block(di, &bd);
1464 bq27xxx_battery_write_dm_block(di, &bt);
1466 bq27xxx_battery_seal(di);
1468 if (updated && !(di->opts & BQ27XXX_O_CFGUP)) {
1469 bq27xxx_write(di, BQ27XXX_REG_CTRL, BQ27XXX_RESET, false);
1475 static void bq27xxx_battery_settings(struct bq27xxx_device_info *di) argument
1480 if (power_supply_get_battery_info(di->bat, &info) < 0)
1483 if (!di->dm_regs) {
1484 dev_warn(di->dev, "data memory update not supported for chip\n");
1490 dev_warn(di->dev, "missing battery:energy-full-design-microwatt-hours\n");
1492 dev_warn(di->dev, "missing battery:charge-full-design-microamp-hours\n");
1496 max = di->dm_regs[BQ27XXX_DM_DESIGN_ENERGY].max;
1498 dev_err(di->dev, "invalid battery:energy-full-design-microwatt-hours %d\n",
1504 max = di->dm_regs[BQ27XXX_DM_DESIGN_CAPACITY].max;
1506 dev_err(di->dev, "invalid battery:charge-full-design-microamp-hours %d\n",
1511 min = di->dm_regs[BQ27XXX_DM_TERMINATE_VOLTAGE].min;
1512 max = di->dm_regs[BQ27XXX_DM_TERMINATE_VOLTAGE].max;
1516 dev_err(di->dev, "invalid battery:voltage-min-design-microvolt %d\n",
1524 bq27xxx_battery_set_config(di, info);
1531 static int bq27xxx_battery_read_soc(struct bq27xxx_device_info *di) argument
1535 if (di->opts & BQ27XXX_O_SOC_SI)
1536 soc = bq27xxx_read(di, BQ27XXX_REG_SOC, true);
1538 soc = bq27xxx_read(di, BQ27XXX_REG_SOC, false);
1541 dev_dbg(di->dev, "error reading State-of-Charge\n");
1550 static int bq27xxx_battery_read_charge(struct bq27xxx_device_info *di, u8 reg) argument
1554 charge = bq27xxx_read(di, reg, false);
1556 dev_dbg(di->dev, "error reading charge register %02x: %d\n",
1561 if (di->opts & BQ27XXX_O_ZERO)
1573 static inline int bq27xxx_battery_read_nac(struct bq27xxx_device_info *di) argument
1575 return bq27xxx_battery_read_charge(di, BQ27XXX_REG_NAC);
1582 static inline int bq27xxx_battery_read_rc(struct bq27xxx_device_info *di) argument
1584 return bq27xxx_battery_read_charge(di, BQ27XXX_REG_RC);
1591 static inline int bq27xxx_battery_read_fcc(struct bq27xxx_device_info *di) argument
1593 return bq27xxx_battery_read_charge(di, BQ27XXX_REG_FCC);
1600 static int bq27xxx_battery_read_dcap(struct bq27xxx_device_info *di) argument
1604 if (di->opts & BQ27XXX_O_ZERO)
1605 dcap = bq27xxx_read(di, BQ27XXX_REG_DCAP, true);
1607 dcap = bq27xxx_read(di, BQ27XXX_REG_DCAP, false);
1610 dev_dbg(di->dev, "error reading initial last measured discharge\n");
1614 if (di->opts & BQ27XXX_O_ZERO)
1626 static int bq27xxx_battery_read_energy(struct bq27xxx_device_info *di) argument
1630 ae = bq27xxx_read(di, BQ27XXX_REG_AE, false);
1632 dev_dbg(di->dev, "error reading available energy\n");
1636 if (di->opts & BQ27XXX_O_ZERO)
1648 static int bq27xxx_battery_read_temperature(struct bq27xxx_device_info *di) argument
1652 temp = bq27xxx_read(di, BQ27XXX_REG_TEMP, false);
1654 dev_err(di->dev, "error reading temperature\n");
1658 if (di->opts & BQ27XXX_O_ZERO)
1668 static int bq27xxx_battery_read_cyct(struct bq27xxx_device_info *di) argument
1672 cyct = bq27xxx_read(di, BQ27XXX_REG_CYCT, false);
1674 dev_err(di->dev, "error reading cycle count total\n");
1683 static int bq27xxx_battery_read_time(struct bq27xxx_device_info *di, u8 reg) argument
1687 tval = bq27xxx_read(di, reg, false);
1689 dev_dbg(di->dev, "error reading time register %02x: %d\n",
1703 static bool bq27xxx_battery_overtemp(struct bq27xxx_device_info *di, u16 flags) argument
1705 if (di->opts & BQ27XXX_O_OTDC)
1707 if (di->opts & BQ27XXX_O_UTOT)
1716 static bool bq27xxx_battery_undertemp(struct bq27xxx_device_info *di, u16 flags) argument
1718 if (di->opts & BQ27XXX_O_UTOT)
1727 static bool bq27xxx_battery_dead(struct bq27xxx_device_info *di, u16 flags) argument
1729 if (di->opts & BQ27XXX_O_ZERO)
1731 else if (di->opts & BQ27Z561_O_BITS)
1740 static bool bq27xxx_battery_capacity_inaccurate(struct bq27xxx_device_info *di, argument
1743 if (di->opts & BQ27XXX_O_HAS_CI)
1749 static int bq27xxx_battery_read_health(struct bq27xxx_device_info *di) argument
1752 if (unlikely(bq27xxx_battery_overtemp(di, di->cache.flags)))
1754 if (unlikely(bq27xxx_battery_undertemp(di, di->cache.flags)))
1756 if (unlikely(bq27xxx_battery_dead(di, di->cache.flags)))
1758 if (unlikely(bq27xxx_battery_capacity_inaccurate(di, di->cache.flags)))
1764 void bq27xxx_battery_update(struct bq27xxx_device_info *di) argument
1767 bool has_singe_flag = di->opts & BQ27XXX_O_ZERO;
1769 cache.flags = bq27xxx_read(di, BQ27XXX_REG_FLAGS, has_singe_flag);
1773 cache.temperature = bq27xxx_battery_read_temperature(di);
1774 if (di->regs[BQ27XXX_REG_TTE] != INVALID_REG_ADDR)
1775 cache.time_to_empty = bq27xxx_battery_read_time(di, BQ27XXX_REG_TTE);
1776 if (di->regs[BQ27XXX_REG_TTECP] != INVALID_REG_ADDR)
1777 cache.time_to_empty_avg = bq27xxx_battery_read_time(di, BQ27XXX_REG_TTECP);
1778 if (di->regs[BQ27XXX_REG_TTF] != INVALID_REG_ADDR)
1779 cache.time_to_full = bq27xxx_battery_read_time(di, BQ27XXX_REG_TTF);
1781 cache.charge_full = bq27xxx_battery_read_fcc(di);
1782 cache.capacity = bq27xxx_battery_read_soc(di);
1783 if (di->regs[BQ27XXX_REG_AE] != INVALID_REG_ADDR)
1784 cache.energy = bq27xxx_battery_read_energy(di);
1785 di->cache.flags = cache.flags;
1786 cache.health = bq27xxx_battery_read_health(di);
1787 if (di->regs[BQ27XXX_REG_CYCT] != INVALID_REG_ADDR)
1788 cache.cycle_count = bq27xxx_battery_read_cyct(di);
1791 if (di->charge_design_full <= 0)
1792 di->charge_design_full = bq27xxx_battery_read_dcap(di);
1795 if ((di->cache.capacity != cache.capacity) ||
1796 (di->cache.flags != cache.flags))
1797 power_supply_changed(di->bat);
1799 if (memcmp(&di->cache, &cache, sizeof(cache)) != 0)
1800 di->cache = cache;
1802 di->last_update = jiffies;
1808 struct bq27xxx_device_info *di = local
1812 bq27xxx_battery_update(di);
1815 schedule_delayed_work(&di->work, poll_interval * HZ);
1818 static bool bq27xxx_battery_is_full(struct bq27xxx_device_info *di, int flags) argument
1820 if (di->opts & BQ27XXX_O_ZERO)
1822 else if (di->opts & BQ27Z561_O_BITS)
1834 struct bq27xxx_device_info *di, argument
1838 bool single_flags = (di->opts & BQ27XXX_O_ZERO);
1842 curr = bq27xxx_read(di, BQ27XXX_REG_AI, false);
1844 dev_err(di->dev, "error reading current\n");
1848 flags = bq27xxx_read(di, BQ27XXX_REG_FLAGS, single_flags);
1850 dev_err(di->dev, "error reading flags\n");
1854 if (di->opts & BQ27XXX_O_ZERO) {
1856 dev_dbg(di->dev, "negative current!\n");
1875 if (bq27xxx_battery_is_full(di, flags))
1890 static int bq27xxx_battery_pwr_avg(struct bq27xxx_device_info *di, argument
1895 power = bq27xxx_read(di, BQ27XXX_REG_AP, false);
1897 dev_err(di->dev,
1903 if (di->opts & BQ27XXX_O_ZERO)
1912 static int bq27xxx_battery_capacity_level(struct bq27xxx_device_info *di, argument
1917 if (di->opts & BQ27XXX_O_ZERO) {
1918 if (di->cache.flags & BQ27000_FLAG_FC)
1920 else if (di->cache.flags & BQ27000_FLAG_EDVF)
1922 else if (di->cache.flags & BQ27000_FLAG_EDV1)
1926 } else if (di->opts & BQ27Z561_O_BITS) {
1927 if (di->cache.flags & BQ27Z561_FLAG_FC)
1929 else if (di->cache.flags & BQ27Z561_FLAG_FDC)
1934 if (di->cache.flags & BQ27XXX_FLAG_FC)
1936 else if (di->cache.flags & BQ27XXX_FLAG_SOCF)
1938 else if (di->cache.flags & BQ27XXX_FLAG_SOC1)
1953 static int bq27xxx_battery_voltage(struct bq27xxx_device_info *di, argument
1958 volt = bq27xxx_read(di, BQ27XXX_REG_VOLT, false);
1960 dev_err(di->dev, "error reading voltage\n");
1985 struct bq27xxx_device_info *di = power_supply_get_drvdata(psy); local
1987 mutex_lock(&di->lock);
1988 if (time_is_before_jiffies(di->last_update + 5 * HZ)) {
1989 cancel_delayed_work_sync(&di->work);
1990 bq27xxx_battery_poll(&di->work.work);
1992 mutex_unlock(&di->lock);
1994 if (psp != POWER_SUPPLY_PROP_PRESENT && di->cache.flags < 0)
1999 ret = bq27xxx_battery_current_and_status(di, NULL, val);
2002 ret = bq27xxx_battery_voltage(di, val);
2005 val->intval = di->cache.flags < 0 ? 0 : 1;
2008 ret = bq27xxx_battery_current_and_status(di, val, NULL);
2011 ret = bq27xxx_simple_value(di->cache.capacity, val);
2014 ret = bq27xxx_battery_capacity_level(di, val);
2017 ret = bq27xxx_simple_value(di->cache.temperature, val);
2022 ret = bq27xxx_simple_value(di->cache.time_to_empty, val);
2025 ret = bq27xxx_simple_value(di->cache.time_to_empty_avg, val);
2028 ret = bq27xxx_simple_value(di->cache.time_to_full, val);
2031 if (di->opts & BQ27XXX_O_MUL_CHEM)
2037 if (di->regs[BQ27XXX_REG_NAC] != INVALID_REG_ADDR)
2038 ret = bq27xxx_simple_value(bq27xxx_battery_read_nac(di), val);
2040 ret = bq27xxx_simple_value(bq27xxx_battery_read_rc(di), val);
2043 ret = bq27xxx_simple_value(di->cache.charge_full, val);
2046 ret = bq27xxx_simple_value(di->charge_design_full, val);
2056 ret = bq27xxx_simple_value(di->cache.cycle_count, val);
2059 ret = bq27xxx_simple_value(di->cache.energy, val);
2062 ret = bq27xxx_battery_pwr_avg(di, val);
2065 ret = bq27xxx_simple_value(di->cache.health, val);
2079 struct bq27xxx_device_info *di = power_supply_get_drvdata(psy); local
2081 cancel_delayed_work_sync(&di->work);
2082 schedule_delayed_work(&di->work, 0);
2085 int bq27xxx_battery_setup(struct bq27xxx_device_info *di) argument
2089 .of_node = di->dev->of_node,
2090 .drv_data = di,
2093 INIT_DELAYED_WORK(&di->work, bq27xxx_battery_poll);
2094 mutex_init(&di->lock);
2096 di->regs = bq27xxx_chip_data[di->chip].regs;
2097 di->unseal_key = bq27xxx_chip_data[di->chip].unseal_key;
2098 di->dm_regs = bq27xxx_chip_data[di->chip].dm_regs;
2099 di->opts = bq27xxx_chip_data[di->chip].opts;
2101 psy_desc = devm_kzalloc(di->dev, sizeof(*psy_desc), GFP_KERNEL);
2105 psy_desc->name = di->name;
2107 psy_desc->properties = bq27xxx_chip_data[di->chip].props;
2108 psy_desc->num_properties = bq27xxx_chip_data[di->chip].props_size;
2112 di->bat = power_supply_register_no_ws(di->dev, psy_desc, &psy_cfg);
2113 if (IS_ERR(di->bat))
2114 return dev_err_probe(di->dev, PTR_ERR(di->bat),
2117 bq27xxx_battery_settings(di);
2118 bq27xxx_battery_update(di);
2121 list_add(&di->list, &bq27xxx_battery_devices);
2128 void bq27xxx_battery_teardown(struct bq27xxx_device_info *di) argument
2138 cancel_delayed_work_sync(&di->work);
2140 power_supply_unregister(di->bat);
2143 list_del(&di->list);
2146 mutex_destroy(&di->lock);