Lines Matching refs:di
977 #define BQ27XXX_DM_BUF(di, i) { \ argument
978 .class = (di)->dm_regs[i].subclass_id, \
979 .block = (di)->dm_regs[i].offset / BQ27XXX_DM_SZ, \
1012 struct bq27xxx_device_info *di; in poll_interval_param_set() local
1021 list_for_each_entry(di, &bq27xxx_battery_devices, list) { in poll_interval_param_set()
1022 cancel_delayed_work_sync(&di->work); in poll_interval_param_set()
1023 schedule_delayed_work(&di->work, 0); in poll_interval_param_set()
1044 static inline int bq27xxx_read(struct bq27xxx_device_info *di, int reg_index, in bq27xxx_read() argument
1049 if (!di || di->regs[reg_index] == INVALID_REG_ADDR) in bq27xxx_read()
1052 ret = di->bus.read(di, di->regs[reg_index], single); in bq27xxx_read()
1054 dev_dbg(di->dev, "failed to read register 0x%02x (index %d)\n", in bq27xxx_read()
1055 di->regs[reg_index], reg_index); in bq27xxx_read()
1060 static inline int bq27xxx_write(struct bq27xxx_device_info *di, int reg_index, in bq27xxx_write() argument
1065 if (!di || di->regs[reg_index] == INVALID_REG_ADDR) in bq27xxx_write()
1068 if (!di->bus.write) in bq27xxx_write()
1071 ret = di->bus.write(di, di->regs[reg_index], value, single); in bq27xxx_write()
1073 dev_dbg(di->dev, "failed to write register 0x%02x (index %d)\n", in bq27xxx_write()
1074 di->regs[reg_index], reg_index); in bq27xxx_write()
1079 static inline int bq27xxx_read_block(struct bq27xxx_device_info *di, int reg_index, in bq27xxx_read_block() argument
1084 if (!di || di->regs[reg_index] == INVALID_REG_ADDR) in bq27xxx_read_block()
1087 if (!di->bus.read_bulk) in bq27xxx_read_block()
1090 ret = di->bus.read_bulk(di, di->regs[reg_index], data, len); in bq27xxx_read_block()
1092 dev_dbg(di->dev, "failed to read_bulk register 0x%02x (index %d)\n", in bq27xxx_read_block()
1093 di->regs[reg_index], reg_index); in bq27xxx_read_block()
1098 static inline int bq27xxx_write_block(struct bq27xxx_device_info *di, int reg_index, in bq27xxx_write_block() argument
1103 if (!di || di->regs[reg_index] == INVALID_REG_ADDR) in bq27xxx_write_block()
1106 if (!di->bus.write_bulk) in bq27xxx_write_block()
1109 ret = di->bus.write_bulk(di, di->regs[reg_index], data, len); in bq27xxx_write_block()
1111 dev_dbg(di->dev, "failed to write_bulk register 0x%02x (index %d)\n", in bq27xxx_write_block()
1112 di->regs[reg_index], reg_index); in bq27xxx_write_block()
1117 static int bq27xxx_battery_seal(struct bq27xxx_device_info *di) in bq27xxx_battery_seal() argument
1121 ret = bq27xxx_write(di, BQ27XXX_REG_CTRL, BQ27XXX_SEALED, false); in bq27xxx_battery_seal()
1123 dev_err(di->dev, "bus error on seal: %d\n", ret); in bq27xxx_battery_seal()
1130 static int bq27xxx_battery_unseal(struct bq27xxx_device_info *di) in bq27xxx_battery_unseal() argument
1134 if (di->unseal_key == 0) { in bq27xxx_battery_unseal()
1135 dev_err(di->dev, "unseal failed due to missing key\n"); in bq27xxx_battery_unseal()
1139 ret = bq27xxx_write(di, BQ27XXX_REG_CTRL, (u16)(di->unseal_key >> 16), false); in bq27xxx_battery_unseal()
1143 ret = bq27xxx_write(di, BQ27XXX_REG_CTRL, (u16)di->unseal_key, false); in bq27xxx_battery_unseal()
1150 dev_err(di->dev, "bus error on unseal: %d\n", ret); in bq27xxx_battery_unseal()
1166 static int bq27xxx_battery_read_dm_block(struct bq27xxx_device_info *di, in bq27xxx_battery_read_dm_block() argument
1173 ret = bq27xxx_write(di, BQ27XXX_DM_CLASS, buf->class, true); in bq27xxx_battery_read_dm_block()
1177 ret = bq27xxx_write(di, BQ27XXX_DM_BLOCK, buf->block, true); in bq27xxx_battery_read_dm_block()
1183 ret = bq27xxx_read_block(di, BQ27XXX_DM_DATA, buf->data, BQ27XXX_DM_SZ); in bq27xxx_battery_read_dm_block()
1187 ret = bq27xxx_read(di, BQ27XXX_DM_CKSUM, true); in bq27xxx_battery_read_dm_block()
1202 dev_err(di->dev, "bus error reading chip memory: %d\n", ret); in bq27xxx_battery_read_dm_block()
1206 static void bq27xxx_battery_update_dm_block(struct bq27xxx_device_info *di, argument
1211 struct bq27xxx_dm_reg *reg = &di->dm_regs[reg_id];
1216 dev_warn(di->dev, "buffer does not match %s dm spec\n", str);
1221 dev_warn(di->dev, "%s dm spec has unsupported byte size\n", str);
1229 dev_info(di->dev, "%s has %u\n", str, val);
1234 if (!(di->opts & BQ27XXX_O_RAM) && !bq27xxx_dt_to_nvm) {
1236 if (!(di->opts & BQ27XXX_O_RAM)) {
1239 dev_warn(di->dev, "%s has %u; update to %u disallowed "
1249 dev_info(di->dev, "update %s to %u\n", str, val);
1255 static int bq27xxx_battery_cfgupdate_priv(struct bq27xxx_device_info *di, bool active) argument
1261 ret = bq27xxx_write(di, BQ27XXX_REG_CTRL, cmd, false);
1267 ret = bq27xxx_read(di, BQ27XXX_REG_FLAGS, false);
1272 if (!try && di->chip != BQ27425) { // 425 has a bug
1273 dev_err(di->dev, "timed out waiting for cfgupdate flag %d\n", active);
1278 dev_warn(di->dev, "cfgupdate %d, retries %d\n", active, limit - try);
1283 static inline int bq27xxx_battery_set_cfgupdate(struct bq27xxx_device_info *di) argument
1285 int ret = bq27xxx_battery_cfgupdate_priv(di, true);
1287 dev_err(di->dev, "bus error on set_cfgupdate: %d\n", ret);
1292 static inline int bq27xxx_battery_soft_reset(struct bq27xxx_device_info *di) argument
1294 int ret = bq27xxx_battery_cfgupdate_priv(di, false);
1296 dev_err(di->dev, "bus error on soft_reset: %d\n", ret);
1301 static int bq27xxx_battery_write_dm_block(struct bq27xxx_device_info *di, argument
1304 bool cfgup = di->opts & BQ27XXX_O_CFGUP;
1311 ret = bq27xxx_battery_set_cfgupdate(di);
1316 ret = bq27xxx_write(di, BQ27XXX_DM_CTRL, 0, true);
1320 ret = bq27xxx_write(di, BQ27XXX_DM_CLASS, buf->class, true);
1324 ret = bq27xxx_write(di, BQ27XXX_DM_BLOCK, buf->block, true);
1330 ret = bq27xxx_write_block(di, BQ27XXX_DM_DATA, buf->data, BQ27XXX_DM_SZ);
1334 ret = bq27xxx_write(di, BQ27XXX_DM_CKSUM,
1346 ret = bq27xxx_battery_soft_reset(di);
1359 bq27xxx_battery_soft_reset(di);
1361 dev_err(di->dev, "bus error writing chip memory: %d\n", ret);
1365 static void bq27xxx_battery_set_config(struct bq27xxx_device_info *di, argument
1368 struct bq27xxx_dm_buf bd = BQ27XXX_DM_BUF(di, BQ27XXX_DM_DESIGN_CAPACITY);
1369 struct bq27xxx_dm_buf bt = BQ27XXX_DM_BUF(di, BQ27XXX_DM_TERMINATE_VOLTAGE);
1372 if (bq27xxx_battery_unseal(di) < 0)
1377 bq27xxx_battery_read_dm_block(di, &bd);
1379 bq27xxx_battery_update_dm_block(di, &bd,
1382 bq27xxx_battery_update_dm_block(di, &bd,
1390 bq27xxx_battery_read_dm_block(di, &bt);
1391 bq27xxx_battery_update_dm_block(di, same ? &bd : &bt,
1398 bq27xxx_battery_write_dm_block(di, &bd);
1399 bq27xxx_battery_write_dm_block(di, &bt);
1401 bq27xxx_battery_seal(di);
1403 if (updated && !(di->opts & BQ27XXX_O_CFGUP)) {
1404 bq27xxx_write(di, BQ27XXX_REG_CTRL, BQ27XXX_RESET, false);
1410 static void bq27xxx_battery_settings(struct bq27xxx_device_info *di) argument
1415 if (power_supply_get_battery_info(di->bat, &info) < 0)
1418 if (!di->dm_regs) {
1419 dev_warn(di->dev, "data memory update not supported for chip\n");
1425 dev_warn(di->dev, "missing battery:energy-full-design-microwatt-hours\n");
1427 dev_warn(di->dev, "missing battery:charge-full-design-microamp-hours\n");
1431 max = di->dm_regs[BQ27XXX_DM_DESIGN_ENERGY].max;
1433 dev_err(di->dev, "invalid battery:energy-full-design-microwatt-hours %d\n",
1439 max = di->dm_regs[BQ27XXX_DM_DESIGN_CAPACITY].max;
1441 dev_err(di->dev, "invalid battery:charge-full-design-microamp-hours %d\n",
1446 min = di->dm_regs[BQ27XXX_DM_TERMINATE_VOLTAGE].min;
1447 max = di->dm_regs[BQ27XXX_DM_TERMINATE_VOLTAGE].max;
1451 dev_err(di->dev, "invalid battery:voltage-min-design-microvolt %d\n",
1459 bq27xxx_battery_set_config(di, &info);
1466 static int bq27xxx_battery_read_soc(struct bq27xxx_device_info *di) argument
1470 if (di->opts & BQ27XXX_O_SOC_SI)
1471 soc = bq27xxx_read(di, BQ27XXX_REG_SOC, true);
1473 soc = bq27xxx_read(di, BQ27XXX_REG_SOC, false);
1476 dev_dbg(di->dev, "error reading State-of-Charge\n");
1485 static int bq27xxx_battery_read_charge(struct bq27xxx_device_info *di, u8 reg) argument
1489 charge = bq27xxx_read(di, reg, false);
1491 dev_dbg(di->dev, "error reading charge register %02x: %d\n",
1496 if (di->opts & BQ27XXX_O_ZERO)
1508 static inline int bq27xxx_battery_read_nac(struct bq27xxx_device_info *di) argument
1510 return bq27xxx_battery_read_charge(di, BQ27XXX_REG_NAC);
1517 static inline int bq27xxx_battery_read_fcc(struct bq27xxx_device_info *di) argument
1519 return bq27xxx_battery_read_charge(di, BQ27XXX_REG_FCC);
1526 static int bq27xxx_battery_read_dcap(struct bq27xxx_device_info *di) argument
1530 if (di->opts & BQ27XXX_O_ZERO)
1531 dcap = bq27xxx_read(di, BQ27XXX_REG_DCAP, true);
1533 dcap = bq27xxx_read(di, BQ27XXX_REG_DCAP, false);
1536 dev_dbg(di->dev, "error reading initial last measured discharge\n");
1540 if (di->opts & BQ27XXX_O_ZERO)
1552 static int bq27xxx_battery_read_energy(struct bq27xxx_device_info *di) argument
1556 ae = bq27xxx_read(di, BQ27XXX_REG_AE, false);
1558 dev_dbg(di->dev, "error reading available energy\n");
1562 if (di->opts & BQ27XXX_O_ZERO)
1574 static int bq27xxx_battery_read_temperature(struct bq27xxx_device_info *di) argument
1578 temp = bq27xxx_read(di, BQ27XXX_REG_TEMP, false);
1580 dev_err(di->dev, "error reading temperature\n");
1584 if (di->opts & BQ27XXX_O_ZERO)
1594 static int bq27xxx_battery_read_cyct(struct bq27xxx_device_info *di) argument
1598 cyct = bq27xxx_read(di, BQ27XXX_REG_CYCT, false);
1600 dev_err(di->dev, "error reading cycle count total\n");
1609 static int bq27xxx_battery_read_time(struct bq27xxx_device_info *di, u8 reg) argument
1613 tval = bq27xxx_read(di, reg, false);
1615 dev_dbg(di->dev, "error reading time register %02x: %d\n",
1629 static bool bq27xxx_battery_overtemp(struct bq27xxx_device_info *di, u16 flags) argument
1631 if (di->opts & BQ27XXX_O_OTDC)
1633 if (di->opts & BQ27XXX_O_UTOT)
1642 static bool bq27xxx_battery_undertemp(struct bq27xxx_device_info *di, u16 flags) argument
1644 if (di->opts & BQ27XXX_O_UTOT)
1653 static bool bq27xxx_battery_dead(struct bq27xxx_device_info *di, u16 flags) argument
1655 if (di->opts & BQ27XXX_O_ZERO)
1657 else if (di->opts & BQ27Z561_O_BITS)
1666 static bool bq27xxx_battery_capacity_inaccurate(struct bq27xxx_device_info *di, argument
1669 if (di->opts & BQ27XXX_O_HAS_CI)
1675 static int bq27xxx_battery_read_health(struct bq27xxx_device_info *di) argument
1678 if (unlikely(bq27xxx_battery_overtemp(di, di->cache.flags)))
1680 if (unlikely(bq27xxx_battery_undertemp(di, di->cache.flags)))
1682 if (unlikely(bq27xxx_battery_dead(di, di->cache.flags)))
1684 if (unlikely(bq27xxx_battery_capacity_inaccurate(di, di->cache.flags)))
1690 static bool bq27xxx_battery_is_full(struct bq27xxx_device_info *di, int flags) argument
1692 if (di->opts & BQ27XXX_O_ZERO)
1694 else if (di->opts & BQ27Z561_O_BITS)
1706 struct bq27xxx_device_info *di, argument
1711 bool single_flags = (di->opts & BQ27XXX_O_ZERO);
1715 curr = bq27xxx_read(di, BQ27XXX_REG_AI, false);
1717 dev_err(di->dev, "error reading current\n");
1724 flags = bq27xxx_read(di, BQ27XXX_REG_FLAGS, single_flags);
1726 dev_err(di->dev, "error reading flags\n");
1731 if (di->opts & BQ27XXX_O_ZERO) {
1733 dev_dbg(di->dev, "negative current!\n");
1752 if (bq27xxx_battery_is_full(di, flags))
1763 static void bq27xxx_battery_update_unlocked(struct bq27xxx_device_info *di) argument
1765 union power_supply_propval status = di->last_status;
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);
1794 if (!(di->opts & BQ27XXX_O_ZERO))
1795 bq27xxx_battery_current_and_status(di, NULL, &status, &cache);
1798 if (di->charge_design_full <= 0)
1799 di->charge_design_full = bq27xxx_battery_read_dcap(di);
1802 if ((di->cache.capacity != cache.capacity) ||
1803 (di->cache.flags != cache.flags) ||
1804 (di->last_status.intval != status.intval)) {
1805 di->last_status.intval = status.intval;
1806 power_supply_changed(di->bat);
1809 if (memcmp(&di->cache, &cache, sizeof(cache)) != 0)
1810 di->cache = cache;
1812 di->last_update = jiffies;
1814 if (!di->removed && poll_interval > 0)
1815 mod_delayed_work(system_wq, &di->work, poll_interval * HZ);
1818 void bq27xxx_battery_update(struct bq27xxx_device_info *di) argument
1820 mutex_lock(&di->lock);
1821 bq27xxx_battery_update_unlocked(di);
1822 mutex_unlock(&di->lock);
1828 struct bq27xxx_device_info *di = local
1832 bq27xxx_battery_update(di);
1839 static int bq27xxx_battery_pwr_avg(struct bq27xxx_device_info *di, argument
1844 power = bq27xxx_read(di, BQ27XXX_REG_AP, false);
1846 dev_err(di->dev,
1852 if (di->opts & BQ27XXX_O_ZERO)
1861 static int bq27xxx_battery_capacity_level(struct bq27xxx_device_info *di, argument
1866 if (di->opts & BQ27XXX_O_ZERO) {
1867 if (di->cache.flags & BQ27000_FLAG_FC)
1869 else if (di->cache.flags & BQ27000_FLAG_EDV1)
1871 else if (di->cache.flags & BQ27000_FLAG_EDVF)
1875 } else if (di->opts & BQ27Z561_O_BITS) {
1876 if (di->cache.flags & BQ27Z561_FLAG_FC)
1878 else if (di->cache.flags & BQ27Z561_FLAG_FDC)
1883 if (di->cache.flags & BQ27XXX_FLAG_FC)
1885 else if (di->cache.flags & BQ27XXX_FLAG_SOC1)
1887 else if (di->cache.flags & BQ27XXX_FLAG_SOCF)
1902 static int bq27xxx_battery_voltage(struct bq27xxx_device_info *di, argument
1907 volt = bq27xxx_read(di, BQ27XXX_REG_VOLT, false);
1909 dev_err(di->dev, "error reading voltage\n");
1934 struct bq27xxx_device_info *di = power_supply_get_drvdata(psy); local
1936 mutex_lock(&di->lock);
1937 if (time_is_before_jiffies(di->last_update + 5 * HZ))
1938 bq27xxx_battery_update_unlocked(di);
1939 mutex_unlock(&di->lock);
1941 if (psp != POWER_SUPPLY_PROP_PRESENT && di->cache.flags < 0)
1946 ret = bq27xxx_battery_current_and_status(di, NULL, val, NULL);
1949 ret = bq27xxx_battery_voltage(di, val);
1952 val->intval = di->cache.flags < 0 ? 0 : 1;
1955 ret = bq27xxx_battery_current_and_status(di, val, NULL, NULL);
1958 ret = bq27xxx_simple_value(di->cache.capacity, val);
1961 ret = bq27xxx_battery_capacity_level(di, val);
1964 ret = bq27xxx_simple_value(di->cache.temperature, val);
1969 ret = bq27xxx_simple_value(di->cache.time_to_empty, val);
1972 ret = bq27xxx_simple_value(di->cache.time_to_empty_avg, val);
1975 ret = bq27xxx_simple_value(di->cache.time_to_full, val);
1978 if (di->opts & BQ27XXX_O_MUL_CHEM)
1984 ret = bq27xxx_simple_value(bq27xxx_battery_read_nac(di), val);
1987 ret = bq27xxx_simple_value(di->cache.charge_full, val);
1990 ret = bq27xxx_simple_value(di->charge_design_full, val);
2000 ret = bq27xxx_simple_value(di->cache.cycle_count, val);
2003 ret = bq27xxx_simple_value(di->cache.energy, val);
2006 ret = bq27xxx_battery_pwr_avg(di, val);
2009 ret = bq27xxx_simple_value(di->cache.health, val);
2023 struct bq27xxx_device_info *di = power_supply_get_drvdata(psy); local
2026 mod_delayed_work(system_wq, &di->work, HZ / 2);
2029 int bq27xxx_battery_setup(struct bq27xxx_device_info *di) argument
2033 .of_node = di->dev->of_node,
2034 .drv_data = di,
2037 INIT_DELAYED_WORK(&di->work, bq27xxx_battery_poll);
2038 mutex_init(&di->lock);
2040 di->regs = bq27xxx_chip_data[di->chip].regs;
2041 di->unseal_key = bq27xxx_chip_data[di->chip].unseal_key;
2042 di->dm_regs = bq27xxx_chip_data[di->chip].dm_regs;
2043 di->opts = bq27xxx_chip_data[di->chip].opts;
2045 psy_desc = devm_kzalloc(di->dev, sizeof(*psy_desc), GFP_KERNEL);
2049 psy_desc->name = di->name;
2051 psy_desc->properties = bq27xxx_chip_data[di->chip].props;
2052 psy_desc->num_properties = bq27xxx_chip_data[di->chip].props_size;
2056 di->bat = power_supply_register_no_ws(di->dev, psy_desc, &psy_cfg);
2057 if (IS_ERR(di->bat))
2058 return dev_err_probe(di->dev, PTR_ERR(di->bat),
2061 bq27xxx_battery_settings(di);
2062 bq27xxx_battery_update(di);
2065 list_add(&di->list, &bq27xxx_battery_devices);
2072 void bq27xxx_battery_teardown(struct bq27xxx_device_info *di) argument
2075 list_del(&di->list);
2079 mutex_lock(&di->lock);
2080 di->removed = true;
2081 mutex_unlock(&di->lock);
2083 cancel_delayed_work_sync(&di->work);
2085 power_supply_unregister(di->bat);
2086 mutex_destroy(&di->lock);