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Diffstat (limited to 'driver/charger/isl923x.h')
| -rw-r--r-- | driver/charger/isl923x.h | 316 |
1 files changed, 0 insertions, 316 deletions
diff --git a/driver/charger/isl923x.h b/driver/charger/isl923x.h deleted file mode 100644 index 8076b72e38..0000000000 --- a/driver/charger/isl923x.h +++ /dev/null @@ -1,316 +0,0 @@ -/* Copyright 2015 The Chromium OS Authors. All rights reserved. - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - * - * Intersil ISL-9237/8 battery charger driver. - */ - -#ifndef __CROS_EC_ISL923X_H -#define __CROS_EC_ISL923X_H - -#define ISL923X_ADDR_FLAGS (0x09) - -/* Registers */ -#define ISL923X_REG_CHG_CURRENT 0x14 -#define ISL923X_REG_ADAPTER_CURRENT1 0x3f -#define ISL923X_REG_ADAPTER_CURRENT2 0x3b -#define ISL923X_REG_SYS_VOLTAGE_MAX 0x15 -#define ISL923X_REG_SYS_VOLTAGE_MIN 0x3e -#define ISL923X_REG_PROCHOT_AC 0x47 -#define ISL923X_REG_PROCHOT_DC 0x48 -#define ISL923X_REG_T1_T2 0x38 -#define ISL923X_REG_CONTROL0 0x39 -#define ISL923X_REG_CONTROL1 0x3c -#define ISL923X_REG_CONTROL2 0x3d -#define ISL9238_REG_CONTROL3 0x4c -#define ISL9238_REG_CONTROL4 0x4e -#define ISL923X_REG_INFO 0x3a -#define ISL9238_REG_INFO2 0x4d -#define ISL923X_REG_OTG_VOLTAGE 0x49 -#define ISL923X_REG_OTG_CURRENT 0x4a -#define ISL9238_REG_INPUT_VOLTAGE 0x4b -#define ISL923X_REG_MANUFACTURER_ID 0xfe -#define ISL923X_REG_DEVICE_ID 0xff - -/* Sense resistor default values in mOhm */ -#define ISL923X_DEFAULT_SENSE_RESISTOR_AC 20 -#define ISL923X_DEFAULT_SENSE_RESISTOR 10 - -/* Maximum charging current register value */ -#define ISL923X_CURRENT_REG_MAX 0x17c0 /* bit<12:2> 10111110000 */ - -/* 2-level adpater current limit duration T1 & T2 in micro seconds */ -#define ISL923X_T1_10000 0x00 -#define ISL923X_T1_20000 0x01 -#define ISL923X_T1_15000 0x02 -#define ISL923X_T1_5000 0x03 -#define ISL923X_T1_1000 0x04 -#define ISL923X_T1_500 0x05 -#define ISL923X_T1_100 0x06 -#define ISL923X_T1_0 0x07 -#define ISL923X_T2_10 (0x00 << 8) -#define ISL923X_T2_100 (0x01 << 8) -#define ISL923X_T2_500 (0x02 << 8) -#define ISL923X_T2_1000 (0x03 << 8) -#define ISL923X_T2_300 (0x04 << 8) -#define ISL923X_T2_750 (0x05 << 8) -#define ISL923X_T2_2000 (0x06 << 8) -#define ISL923X_T2_10000 (0x07 << 8) - -#define ISL9237_SYS_VOLTAGE_REG_MAX 13824 -#define ISL9238_SYS_VOLTAGE_REG_MAX 18304 -#define ISL923X_SYS_VOLTAGE_REG_MIN 2048 - -/* PROCHOT# debounce time and duration time in micro seconds */ -#define ISL923X_PROCHOT_DURATION_10000 (0 << 6) -#define ISL923X_PROCHOT_DURATION_20000 BIT(6) -#define ISL923X_PROCHOT_DURATION_15000 (2 << 6) -#define ISL923X_PROCHOT_DURATION_5000 (3 << 6) -#define ISL923X_PROCHOT_DURATION_1000 (4 << 6) -#define ISL923X_PROCHOT_DURATION_500 (5 << 6) -#define ISL923X_PROCHOT_DURATION_100000 (6 << 6) -#define ISL923X_PROCHOT_DURATION_0 (7 << 6) -#define ISL923X_PROCHOT_DURATION_MASK (7 << 6) - -#define ISL923X_PROCHOT_DEBOUNCE_10 (0 << 9) -#define ISL923X_PROCHOT_DEBOUNCE_100 BIT(9) -#define ISL923X_PROCHOT_DEBOUNCE_500 (2 << 9) -#define ISL923X_PROCHOT_DEBOUNCE_1000 (3 << 9) -#define ISL923X_PROCHOT_DEBOUNCE_MASK (3 << 9) - -/* Maximum PROCHOT register value */ -#define ISL923X_PROCHOT_AC_REG_MAX 6400 -#define ISL923X_PROCHOT_DC_REG_MAX 12800 - -/* Control0: adapter voltage regulation reference */ -#define ISL9237_C0_VREG_REF_3900 0 -#define ISL9237_C0_VREG_REF_4200 1 -#define ISL9237_C0_VREG_REF_4500 2 -#define ISL9237_C0_VREG_REF_4800 3 -#define ISL9237_C0_VREG_REF_MASK 0x03 - -/* Control0: disable adapter voltaqe regulation */ -#define ISL923X_C0_DISABLE_VREG BIT(2) - -/* Control0: battery DCHOT reference for RS2 == 20mOhm */ -#define ISL923X_C0_DCHOT_6A (0 << 3) -#define ISL923X_C0_DCHOT_5A BIT(3) -#define ISL923X_C0_DCHOT_4A (2 << 3) -#define ISL923X_C0_DCHOT_3A (3 << 3) -#define ISL923X_C0_DCHOT_MASK (3 << 3) - -/* Control1: general purpose comparator debounce time in micro second */ -#define ISL923X_C1_GP_DEBOUNCE_2 (0 << 14) -#define ISL923X_C1_GP_DEBOUNCE_12 BIT(14) -#define ISL923X_C1_GP_DEBOUNCE_2000 (2 << 14) -#define ISL923X_C1_GP_DEBOUNCE_5000000 (3 << 14) -#define ISL923X_C1_GP_DEBOUNCE_MASK (3 << 14) - -/* Control1: learn mode */ -#define ISL923X_C1_LEARN_MODE_AUTOEXIT BIT(13) -#define ISL923X_C1_LEARN_MODE_ENABLE BIT(12) - -/* Control1: OTG enable */ -#define ISL923X_C1_OTG BIT(11) - -/* Control1: audio filter */ -#define ISL923X_C1_AUDIO_FILTER BIT(10) - -/* Control1: switch frequency, ISL9238 defines bit 7 as unused */ -#define ISL923X_C1_SWITCH_FREQ_PROG (0 << 7) /* 1000kHz or PROG */ -#define ISL9237_C1_SWITCH_FREQ_913K BIT(7) -#define ISL923X_C1_SWITCH_FREQ_839K (2 << 7) -#define ISL9237_C1_SWITCH_FREQ_777K (3 << 7) -#define ISL923X_C1_SWITCH_FREQ_723K (4 << 7) -#define ISL9237_C1_SWITCH_FREQ_676K (5 << 7) -#define ISL923X_C1_SWITCH_FREQ_635K (6 << 7) -#define ISL9237_C1_SWITCH_FREQ_599K (7 << 7) -#define ISL923X_C1_SWITCH_FREQ_MASK (7 << 7) - -/* Control1: turbo mode */ -#define ISL923X_C1_TURBO_MODE BIT(6) - -/* Control1: AMON & BMON */ -#define ISL923X_C1_DISABLE_MON BIT(5) -#define ISL923X_C1_SELECT_BMON BIT(4) - -/* Control1: PSYS, VSYS, VSYSLO */ -#define ISL923X_C1_ENABLE_PSYS BIT(3) -#define ISL923X_C1_ENABLE_VSYS BIT(2) -#define ISL923X_C1_VSYSLO_REF_6000 0 -#define ISL923X_C1_VSYSLO_REF_6300 1 -#define ISL923X_C1_VSYSLO_REF_6600 2 -#define ISL923X_C1_VSYSLO_REF_6900 3 -#define ISL923X_C1_VSYSLO_REF_MASK 3 - -/* Control2: trickle charging current in mA */ -#define ISL923X_C2_TRICKLE_256 (0 << 14) -#define ISL923X_C2_TRICKLE_128 BIT(14) -#define ISL923X_C2_TRICKLE_64 (2 << 14) -#define ISL923X_C2_TRICKLE_512 (3 << 14) -#define ISL923X_C2_TRICKLE_MASK (3 << 14) - -/* Control2: OTGEN debounce time in ms */ -#define ISL923X_C2_OTG_DEBOUNCE_1300 (0 << 13) -#define ISL923X_C2_OTG_DEBOUNCE_150 BIT(13) -#define ISL923X_C2_OTG_DEBOUNCE_MASK BIT(13) - -/* Control2: 2-level adapter over current */ -#define ISL923X_C2_2LVL_OVERCURRENT BIT(12) - -/* Control2: adapter insertion debounce time in ms */ -#define ISL923X_C2_ADAPTER_DEBOUNCE_1300 (0 << 11) -#define ISL923X_C2_ADAPTER_DEBOUNCE_150 BIT(11) -#define ISL923X_C2_ADAPTER_DEBOUNCE_MASK BIT(11) - -/* Control2: PROCHOT debounce time in uS */ -#define ISL9238_C2_PROCHOT_DEBOUNCE_7 (0 << 9) -#define ISL9237_C2_PROCHOT_DEBOUNCE_10 (0 << 9) -#define ISL923X_C2_PROCHOT_DEBOUNCE_100 BIT(9) -#define ISL923X_C2_PROCHOT_DEBOUNCE_500 (2 << 9) -#define ISL923X_C2_PROCHOT_DEBOUNCE_1000 (3 << 9) -#define ISL923X_C2_PROCHOT_DEBOUNCE_MASK (3 << 9) - -/* Control2: min PROCHOT duration in uS */ -#define ISL923X_C2_PROCHOT_DURATION_10000 (0 << 6) -#define ISL923X_C2_PROCHOT_DURATION_20000 BIT(6) -#define ISL923X_C2_PROCHOT_DURATION_15000 (2 << 6) -#define ISL923X_C2_PROCHOT_DURATION_5000 (3 << 6) -#define ISL923X_C2_PROCHOT_DURATION_1000 (4 << 6) -#define ISL923X_C2_PROCHOT_DURATION_500 (5 << 6) -#define ISL923X_C2_PROCHOT_DURATION_100 (6 << 6) -#define ISL923X_C2_PROCHOT_DURATION_0 (7 << 6) -#define ISL923X_C2_PROCHOT_DURATION_MASK (7 << 6) - -/* Control2: turn off ASGATE in OTG mode */ -#define ISL923X_C2_ASGATE_OFF BIT(5) - -/* Control2: CMIN, general purpose comparator reference in mV */ -#define ISL923X_C2_CMIN_2000 (0 << 4) -#define ISL923X_C2_CMIN_1200 BIT(4) - -/* Control2: general purpose comparator enable */ -#define ISL923X_C2_COMPARATOR BIT(3) - -/* Control2: invert CMOUT, general purpose comparator output, polarity */ -#define ISL923X_C2_INVERT_CMOUT BIT(2) - -/* Control2: disable WOC, way over current */ -#define ISL923X_C2_WOC_OFF BIT(1) - -/* Control2: PSYS gain in uA/W (ISL9237 only) */ -#define ISL9237_C2_PSYS_GAIN BIT(0) - -/* - * Control3: Buck-Boost switching period - * 0: x1 frequency, 1: half frequency. - */ -#define ISL9238_C3_BB_SWITCHING_PERIOD BIT(1) - -/* - * Control3: AMON/BMON direction. - * 0: adapter/charging, 1:OTG/discharging (ISL9238 only) - */ -#define ISL9238_C3_AMON_BMON_DIRECTION BIT(3) - -/* - * Control3: Disables Autonomous Charing - * - * Note: This is disabled automatically when ever we set the current limit - * manually (which we always do). - */ -#define ISL9238_C3_DISABLE_AUTO_CHARING BIT(7) - -/* Control3: PSYS gain in uA/W (ISL9238 only) */ -#define ISL9238_C3_PSYS_GAIN BIT(9) - -/* Control3: Don't reload ACLIM on ACIN. */ -#define ISL9238_C3_NO_RELOAD_ACLIM_ON_ACIN BIT(14) - -/* Control3: Don't reread PROG pin. */ -#define ISL9238_C3_NO_REREAD_PROG_PIN BIT(15) - -/* OTG voltage limit in mV, current limit in mA */ -#define ISL9237_OTG_VOLTAGE_MIN 4864 -#define ISL9237_OTG_VOLTAGE_MAX 5376 -#define ISL9238_OTG_VOLTAGE_MAX 27456 -#define ISL923X_OTG_CURRENT_MAX 4096 - -#define ISL9238_OTG_VOLTAGE_STEP 12 -#define ISL9238_OTG_VOLTAGE_SHIFT 3 -#define ISL923X_OTG_CURRENT_STEP 128 -#define ISL923X_OTG_CURRENT_SHIFT 7 - -/* Input voltage regulation voltage reference */ -#define ISL9238_INPUT_VOLTAGE_REF_STEP 341 -#define ISL9238_INPUT_VOLTAGE_REF_SHIFT 8 - -/* Info register fields */ -#define ISL9237_INFO_PROG_RESISTOR_MASK 0xf -#define ISL923X_INFO_TRICKLE_ACTIVE_MASK BIT(4) -#define ISL9237_INFO_PSTATE_SHIFT 5 -#define ISL9237_INFO_PSTATE_MASK 3 - -enum isl9237_power_stage { - BUCK_MODE, - BOOST_MODE, - BUCK_BOOST_MODE, - REVERSE_BUCK_MODE -}; - -#define ISL9237_INFO_FSM_STATE_SHIFT 7 -#define ISL9237_INFO_FSM_STATE_MASK 7 - -enum isl9237_fsm_state { - FSM_OFF, - FSM_BAT, - FSM_ADPT, - FSM_ACOK, - FSM_VSYS, - FSM_CHRG, - FSM_ENTOG, - FSM_OTG -}; - -#define ISL923X_INFO_VSYSLO BIT(10) -#define ISL923X_INFO_DCHOT BIT(11) -#define ISL9237_INFO_ACHOT BIT(12) - -#if defined(CONFIG_CHARGER_ISL9237) -#define CHARGER_NAME "isl9237" -#define CHARGE_V_MAX ISL9237_SYS_VOLTAGE_REG_MAX -#define CHARGE_V_MIN ISL923X_SYS_VOLTAGE_REG_MIN -#define CHARGE_V_STEP 8 -#elif defined(CONFIG_CHARGER_ISL9238) -#define CHARGER_NAME "isl9238" -#define CHARGE_V_MAX ISL9238_SYS_VOLTAGE_REG_MAX -#define CHARGE_V_MIN ISL923X_SYS_VOLTAGE_REG_MIN -#define CHARGE_V_STEP 8 -#endif - -#define CHARGE_I_MAX ISL923X_CURRENT_REG_MAX -#define CHARGE_I_MIN 4 -#define CHARGE_I_OFF 0 -#define CHARGE_I_STEP 4 -#define INPUT_I_MAX ISL923X_CURRENT_REG_MAX -#define INPUT_I_MIN 4 -#define INPUT_I_STEP 4 - -#define I2C_ADDR_CHARGER_FLAGS ISL923X_ADDR_FLAGS -#endif /* __CROS_EC_ISL923X_H */ - -/** - * Initialize AC & DC prochot threshold - * - * @param AC Porchot threshold current in mA: - * multiple of 128 up to 6400 mA - * DC Porchot threshold current in mA: - * multiple of 128 up to 12800 mA - * Bits below 128mA are truncated (ignored). - * @return enum ec_error_list - */ -int isl923x_set_ac_prochot(uint16_t ma); -int isl923x_set_dc_prochot(uint16_t ma); - -#define ISL923X_AC_PROCHOT_CURRENT_MAX 6400 /* mA */ -#define ISL923X_DC_PROCHOT_CURRENT_MAX 12800 /* mA */ |