diff options
Diffstat (limited to 'drivers/power/bq27xxx_battery.c')
| -rw-r--r-- | drivers/power/bq27xxx_battery.c | 289 |
1 files changed, 137 insertions, 152 deletions
diff --git a/drivers/power/bq27xxx_battery.c b/drivers/power/bq27xxx_battery.c index 45f6ebf88df6..323d05a12f9b 100644 --- a/drivers/power/bq27xxx_battery.c +++ b/drivers/power/bq27xxx_battery.c @@ -82,6 +82,7 @@ * * These are indexes into a device's register mapping array. */ + enum bq27xxx_reg_index { BQ27XXX_REG_CTRL = 0, /* Control */ BQ27XXX_REG_TEMP, /* Temperature */ @@ -100,157 +101,144 @@ enum bq27xxx_reg_index { BQ27XXX_REG_SOC, /* State-of-Charge */ BQ27XXX_REG_DCAP, /* Design Capacity */ BQ27XXX_REG_AP, /* Average Power */ + BQ27XXX_REG_MAX, /* sentinel */ }; /* Register mappings */ -static u8 bq27000_regs[] = { - 0x00, /* CONTROL */ - 0x06, /* TEMP */ - INVALID_REG_ADDR, /* INT TEMP - NA*/ - 0x08, /* VOLT */ - 0x14, /* AVG CURR */ - 0x0a, /* FLAGS */ - 0x16, /* TTE */ - 0x18, /* TTF */ - 0x1c, /* TTES */ - 0x26, /* TTECP */ - 0x0c, /* NAC */ - 0x12, /* LMD(FCC) */ - 0x2a, /* CYCT */ - 0x22, /* AE */ - 0x0b, /* SOC(RSOC) */ - 0x76, /* DCAP(ILMD) */ - 0x24, /* AP */ -}; - -static u8 bq27010_regs[] = { - 0x00, /* CONTROL */ - 0x06, /* TEMP */ - INVALID_REG_ADDR, /* INT TEMP - NA*/ - 0x08, /* VOLT */ - 0x14, /* AVG CURR */ - 0x0a, /* FLAGS */ - 0x16, /* TTE */ - 0x18, /* TTF */ - 0x1c, /* TTES */ - 0x26, /* TTECP */ - 0x0c, /* NAC */ - 0x12, /* LMD(FCC) */ - 0x2a, /* CYCT */ - INVALID_REG_ADDR, /* AE - NA */ - 0x0b, /* SOC(RSOC) */ - 0x76, /* DCAP(ILMD) */ - INVALID_REG_ADDR, /* AP - NA */ -}; - -static u8 bq27500_regs[] = { - 0x00, /* CONTROL */ - 0x06, /* TEMP */ - 0x28, /* INT TEMP */ - 0x08, /* VOLT */ - 0x14, /* AVG CURR */ - 0x0a, /* FLAGS */ - 0x16, /* TTE */ - INVALID_REG_ADDR, /* TTF - NA */ - 0x1a, /* TTES */ - INVALID_REG_ADDR, /* TTECP - NA */ - 0x0c, /* NAC */ - 0x12, /* LMD(FCC) */ - 0x2a, /* CYCT */ - INVALID_REG_ADDR, /* AE - NA */ - 0x2c, /* SOC(RSOC) */ - 0x3c, /* DCAP(ILMD) */ - INVALID_REG_ADDR, /* AP - NA */ -}; - -static u8 bq27530_regs[] = { - 0x00, /* CONTROL */ - 0x06, /* TEMP */ - 0x32, /* INT TEMP */ - 0x08, /* VOLT */ - 0x14, /* AVG CURR */ - 0x0a, /* FLAGS */ - 0x16, /* TTE */ - INVALID_REG_ADDR, /* TTF - NA */ - INVALID_REG_ADDR, /* TTES - NA */ - INVALID_REG_ADDR, /* TTECP - NA */ - 0x0c, /* NAC */ - 0x12, /* LMD(FCC) */ - 0x2a, /* CYCT */ - INVALID_REG_ADDR, /* AE - NA */ - 0x2c, /* SOC(RSOC) */ - INVALID_REG_ADDR, /* DCAP - NA */ - 0x24, /* AP */ -}; - -static u8 bq27541_regs[] = { - 0x00, /* CONTROL */ - 0x06, /* TEMP */ - 0x28, /* INT TEMP */ - 0x08, /* VOLT */ - 0x14, /* AVG CURR */ - 0x0a, /* FLAGS */ - 0x16, /* TTE */ - INVALID_REG_ADDR, /* TTF - NA */ - INVALID_REG_ADDR, /* TTES - NA */ - INVALID_REG_ADDR, /* TTECP - NA */ - 0x0c, /* NAC */ - 0x12, /* LMD(FCC) */ - 0x2a, /* CYCT */ - INVALID_REG_ADDR, /* AE - NA */ - 0x2c, /* SOC(RSOC) */ - 0x3c, /* DCAP */ - 0x24, /* AP */ -}; - -static u8 bq27545_regs[] = { - 0x00, /* CONTROL */ - 0x06, /* TEMP */ - 0x28, /* INT TEMP */ - 0x08, /* VOLT */ - 0x14, /* AVG CURR */ - 0x0a, /* FLAGS */ - 0x16, /* TTE */ - INVALID_REG_ADDR, /* TTF - NA */ - INVALID_REG_ADDR, /* TTES - NA */ - INVALID_REG_ADDR, /* TTECP - NA */ - 0x0c, /* NAC */ - 0x12, /* LMD(FCC) */ - 0x2a, /* CYCT */ - INVALID_REG_ADDR, /* AE - NA */ - 0x2c, /* SOC(RSOC) */ - INVALID_REG_ADDR, /* DCAP - NA */ - 0x24, /* AP */ -}; - -static u8 bq27421_regs[] = { - 0x00, /* CONTROL */ - 0x02, /* TEMP */ - 0x1e, /* INT TEMP */ - 0x04, /* VOLT */ - 0x10, /* AVG CURR */ - 0x06, /* FLAGS */ - INVALID_REG_ADDR, /* TTE - NA */ - INVALID_REG_ADDR, /* TTF - NA */ - INVALID_REG_ADDR, /* TTES - NA */ - INVALID_REG_ADDR, /* TTECP - NA */ - 0x08, /* NAC */ - 0x0e, /* FCC */ - INVALID_REG_ADDR, /* CYCT - NA */ - INVALID_REG_ADDR, /* AE - NA */ - 0x1c, /* SOC */ - 0x3c, /* DCAP */ - 0x18, /* AP */ -}; - -static u8 *bq27xxx_regs[] = { - [BQ27000] = bq27000_regs, - [BQ27010] = bq27010_regs, - [BQ27500] = bq27500_regs, - [BQ27530] = bq27530_regs, - [BQ27541] = bq27541_regs, - [BQ27545] = bq27545_regs, - [BQ27421] = bq27421_regs, +static u8 bq27xxx_regs[][BQ27XXX_REG_MAX] = { + [BQ27000] = { + [BQ27XXX_REG_CTRL] = 0x00, + [BQ27XXX_REG_TEMP] = 0x06, + [BQ27XXX_REG_INT_TEMP] = INVALID_REG_ADDR, + [BQ27XXX_REG_VOLT] = 0x08, + [BQ27XXX_REG_AI] = 0x14, + [BQ27XXX_REG_FLAGS] = 0x0a, + [BQ27XXX_REG_TTE] = 0x16, + [BQ27XXX_REG_TTF] = 0x18, + [BQ27XXX_REG_TTES] = 0x1c, + [BQ27XXX_REG_TTECP] = 0x26, + [BQ27XXX_REG_NAC] = 0x0c, + [BQ27XXX_REG_FCC] = 0x12, + [BQ27XXX_REG_CYCT] = 0x2a, + [BQ27XXX_REG_AE] = 0x22, + [BQ27XXX_REG_SOC] = 0x0b, + [BQ27XXX_REG_DCAP] = 0x76, + [BQ27XXX_REG_AP] = 0x24, + }, + [BQ27010] = { + [BQ27XXX_REG_CTRL] = 0x00, + [BQ27XXX_REG_TEMP] = 0x06, + [BQ27XXX_REG_INT_TEMP] = INVALID_REG_ADDR, + [BQ27XXX_REG_VOLT] = 0x08, + [BQ27XXX_REG_AI] = 0x14, + [BQ27XXX_REG_FLAGS] = 0x0a, + [BQ27XXX_REG_TTE] = 0x16, + [BQ27XXX_REG_TTF] = 0x18, + [BQ27XXX_REG_TTES] = 0x1c, + [BQ27XXX_REG_TTECP] = 0x26, + [BQ27XXX_REG_NAC] = 0x0c, + [BQ27XXX_REG_FCC] = 0x12, + [BQ27XXX_REG_CYCT] = 0x2a, + [BQ27XXX_REG_AE] = INVALID_REG_ADDR, + [BQ27XXX_REG_SOC] = 0x0b, + [BQ27XXX_REG_DCAP] = 0x76, + [BQ27XXX_REG_AP] = INVALID_REG_ADDR, + }, + [BQ27500] = { + [BQ27XXX_REG_CTRL] = 0x00, + [BQ27XXX_REG_TEMP] = 0x06, + [BQ27XXX_REG_INT_TEMP] = 0x28, + [BQ27XXX_REG_VOLT] = 0x08, + [BQ27XXX_REG_AI] = 0x14, + [BQ27XXX_REG_FLAGS] = 0x0a, + [BQ27XXX_REG_TTE] = 0x16, + [BQ27XXX_REG_TTF] = INVALID_REG_ADDR, + [BQ27XXX_REG_TTES] = 0x1a, + [BQ27XXX_REG_TTECP] = INVALID_REG_ADDR, + [BQ27XXX_REG_NAC] = 0x0c, + [BQ27XXX_REG_FCC] = 0x12, + [BQ27XXX_REG_CYCT] = 0x2a, + [BQ27XXX_REG_AE] = INVALID_REG_ADDR, + [BQ27XXX_REG_SOC] = 0x2c, + [BQ27XXX_REG_DCAP] = 0x3c, + [BQ27XXX_REG_AP] = INVALID_REG_ADDR, + }, + [BQ27530] = { + [BQ27XXX_REG_CTRL] = 0x00, + [BQ27XXX_REG_TEMP] = 0x06, + [BQ27XXX_REG_INT_TEMP] = 0x32, + [BQ27XXX_REG_VOLT] = 0x08, + [BQ27XXX_REG_AI] = 0x14, + [BQ27XXX_REG_FLAGS] = 0x0a, + [BQ27XXX_REG_TTE] = 0x16, + [BQ27XXX_REG_TTF] = INVALID_REG_ADDR, + [BQ27XXX_REG_TTES] = INVALID_REG_ADDR, + [BQ27XXX_REG_TTECP] = INVALID_REG_ADDR, + [BQ27XXX_REG_NAC] = 0x0c, + [BQ27XXX_REG_FCC] = 0x12, + [BQ27XXX_REG_CYCT] = 0x2a, + [BQ27XXX_REG_AE] = INVALID_REG_ADDR, + [BQ27XXX_REG_SOC] = 0x2c, + [BQ27XXX_REG_DCAP] = INVALID_REG_ADDR, + [BQ27XXX_REG_AP] = 0x24, + }, + [BQ27541] = { + [BQ27XXX_REG_CTRL] = 0x00, + [BQ27XXX_REG_TEMP] = 0x06, + [BQ27XXX_REG_INT_TEMP] = 0x28, + [BQ27XXX_REG_VOLT] = 0x08, + [BQ27XXX_REG_AI] = 0x14, + [BQ27XXX_REG_FLAGS] = 0x0a, + [BQ27XXX_REG_TTE] = 0x16, + [BQ27XXX_REG_TTF] = INVALID_REG_ADDR, + [BQ27XXX_REG_TTES] = INVALID_REG_ADDR, + [BQ27XXX_REG_TTECP] = INVALID_REG_ADDR, + [BQ27XXX_REG_NAC] = 0x0c, + [BQ27XXX_REG_FCC] = 0x12, + [BQ27XXX_REG_CYCT] = 0x2a, + [BQ27XXX_REG_AE] = INVALID_REG_ADDR, + [BQ27XXX_REG_SOC] = 0x2c, + [BQ27XXX_REG_DCAP] = 0x3c, + [BQ27XXX_REG_AP] = 0x24, + }, + [BQ27545] = { + [BQ27XXX_REG_CTRL] = 0x00, + [BQ27XXX_REG_TEMP] = 0x06, + [BQ27XXX_REG_INT_TEMP] = 0x28, + [BQ27XXX_REG_VOLT] = 0x08, + [BQ27XXX_REG_AI] = 0x14, + [BQ27XXX_REG_FLAGS] = 0x0a, + [BQ27XXX_REG_TTE] = 0x16, + [BQ27XXX_REG_TTF] = INVALID_REG_ADDR, + [BQ27XXX_REG_TTES] = INVALID_REG_ADDR, + [BQ27XXX_REG_TTECP] = INVALID_REG_ADDR, + [BQ27XXX_REG_NAC] = 0x0c, + [BQ27XXX_REG_FCC] = 0x12, + [BQ27XXX_REG_CYCT] = 0x2a, + [BQ27XXX_REG_AE] = INVALID_REG_ADDR, + [BQ27XXX_REG_SOC] = 0x2c, + [BQ27XXX_REG_DCAP] = INVALID_REG_ADDR, + [BQ27XXX_REG_AP] = 0x24, + }, + [BQ27421] = { + [BQ27XXX_REG_CTRL] = 0x00, + [BQ27XXX_REG_TEMP] = 0x02, + [BQ27XXX_REG_INT_TEMP] = 0x1e, + [BQ27XXX_REG_VOLT] = 0x04, + [BQ27XXX_REG_AI] = 0x10, + [BQ27XXX_REG_FLAGS] = 0x06, + [BQ27XXX_REG_TTE] = INVALID_REG_ADDR, + [BQ27XXX_REG_TTF] = INVALID_REG_ADDR, + [BQ27XXX_REG_TTES] = INVALID_REG_ADDR, + [BQ27XXX_REG_TTECP] = INVALID_REG_ADDR, + [BQ27XXX_REG_NAC] = 0x08, + [BQ27XXX_REG_FCC] = 0x0e, + [BQ27XXX_REG_CYCT] = INVALID_REG_ADDR, + [BQ27XXX_REG_AE] = INVALID_REG_ADDR, + [BQ27XXX_REG_SOC] = 0x1c, + [BQ27XXX_REG_DCAP] = 0x3c, + [BQ27XXX_REG_AP] = 0x18, + }, }; static enum power_supply_property bq27000_battery_props[] = { @@ -735,11 +723,8 @@ static void bq27xxx_battery_poll(struct work_struct *work) bq27xxx_battery_update(di); - if (poll_interval > 0) { - /* The timer does not have to be accurate. */ - set_timer_slack(&di->work.timer, poll_interval * HZ / 4); + if (poll_interval > 0) schedule_delayed_work(&di->work, poll_interval * HZ); - } } /* |