diff options
Diffstat (limited to 'driver/ina3221.c')
| -rw-r--r-- | driver/ina3221.c | 162 |
1 files changed, 0 insertions, 162 deletions
diff --git a/driver/ina3221.c b/driver/ina3221.c deleted file mode 100644 index 5b89f9694e..0000000000 --- a/driver/ina3221.c +++ /dev/null @@ -1,162 +0,0 @@ -/* Copyright 2019 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. - * - * TI INA3221 Power monitor driver. - */ - -#include "console.h" -#include "hooks.h" -#include "i2c.h" -#include "system.h" -#include "timer.h" -#include "ina3221.h" -#include "util.h" - -/* Console output macros */ -#define CPRINTS(format, args...) cprints(CC_I2C, format, ## args) - -const static uint8_t ina3221_reg_map[INA3221_CHAN_COUNT][INA3221_MAX_REG] = { -{ 1, 2, 7, 8 }, /* Chan 1 */ -{ 3, 4, 9, 10 }, /* Chan 2 */ -{ 5, 6, 11, 12 } /* Chan 3 */ -}; - -static uint16_t ina3221_read(unsigned int unit, uint8_t reg) -{ - int res; - int val; - - res = i2c_read16(ina3221[unit].port, ina3221[unit].address, - reg, &val); - if (res) { - CPRINTS("INA3221 I2C read failed"); - return 0x0bad; - } - return (val >> 8) | ((val & 0xff) << 8); -} - -static uint16_t ina3221_chan_read(unsigned int unit, enum ina3221_channel chan, - enum ina3221_register reg) -{ - if (chan >= INA3221_CHAN_COUNT || reg >= INA3221_MAX_REG) { - CPRINTS("INA3221 Bad channel or register value"); - return 0x0bad; - } - return ina3221_read(unit, ina3221_reg_map[chan][reg]); -} - -static int ina3221_write(unsigned int unit, uint8_t reg, uint16_t val) -{ - int res; - uint16_t be_val = (val >> 8) | ((val & 0xff) << 8); - - res = i2c_write16(ina3221[unit].port, ina3221[unit].address, - reg, be_val); - if (res) - CPRINTS("INA3221 I2C write failed"); - return res; -} - -static void ina3221_init(void) -{ - unsigned int unit; - - for (unit = 0; unit < ina3221_count; unit++) { - uint16_t conf = INA3221_CONFIG_BASE; - int chan; - - for (chan = 0; chan < INA3221_CHAN_COUNT; chan++) { - /* Only initialise if channel is used */ - if (ina3221[unit].name[chan] != NULL) - conf |= 0x4000 >> chan; - } - ina3221_write(unit, INA3221_REG_CONFIG, conf); - } -} - -DECLARE_HOOK(HOOK_INIT, ina3221_init, HOOK_PRIO_INIT_EXTPOWER + 1); - -#ifdef CONFIG_CMD_INA -static void ina3221_dump(unsigned int unit) -{ - uint16_t cfg; - int16_t sv[INA3221_CHAN_COUNT]; - uint16_t bv[INA3221_CHAN_COUNT]; - uint16_t crit[INA3221_CHAN_COUNT]; - uint16_t warn[INA3221_CHAN_COUNT]; - uint16_t mask; - int chan; - - cfg = ina3221_read(unit, INA3221_REG_CONFIG); - for (chan = 0; chan < INA3221_CHAN_COUNT; chan++) { - if (ina3221[unit].name[chan] != NULL) { - sv[chan] = ina3221_chan_read(unit, chan, - INA3221_SHUNT_VOLT); - bv[chan] = ina3221_chan_read(unit, chan, - INA3221_BUS_VOLT); - crit[chan] = ina3221_chan_read(unit, chan, - INA3221_CRITICAL); - warn[chan] = ina3221_chan_read(unit, chan, - INA3221_WARNING); - } - } - mask = ina3221_read(unit, INA3221_REG_MASK); - - ccprintf("Unit %d, address: %04x\n", unit, ina3221[unit].address); - ccprintf("Configuration : %04x\n", cfg); - for (chan = 0; chan < INA3221_CHAN_COUNT; chan++) { - if (ina3221[unit].name[chan] != NULL) { - ccprintf("%d: %s:\n", chan, ina3221[unit].name[chan]); - ccprintf(" Shunt voltage: %04x => %d uV\n", - sv[chan], INA3221_SHUNT_UV((int)sv[chan])); - ccprintf(" Bus voltage : %04x => %d mV\n", - bv[chan], INA3221_BUS_MV((int)bv[chan])); - ccprintf(" Warning : %04x\n", warn[chan]); - ccprintf(" Critical : %04x\n", crit[chan]); - } - } - ccprintf("Mask/Enable : %04x\n", mask); -} - -/*****************************************************************************/ -/* Console commands */ - -static int command_ina(int argc, char **argv) -{ - char *e; - unsigned int unit; - uint16_t val; - - if (argc < 2) - return EC_ERROR_PARAM_COUNT; - - unit = strtoi(argv[1], &e, 10); - if (*e || unit >= ina3221_count) - return EC_ERROR_PARAM1; - - if (argc == 2) { /* dump all registers */ - ina3221_dump(unit); - return EC_SUCCESS; - } else if (argc == 4) { - val = strtoi(argv[3], &e, 16); - if (*e) - return EC_ERROR_PARAM3; - - if (!strcasecmp(argv[2], "config")) { - ina3221_write(unit, INA3221_REG_CONFIG, val); - } else if (!strcasecmp(argv[2], "mask")) { - ina3221_write(unit, INA3221_REG_MASK, val); - } else { - ccprintf("Invalid register: %s\n", argv[1]); - return EC_ERROR_INVAL; - } - return EC_SUCCESS; - } - - return EC_ERROR_INVAL; -} -DECLARE_CONSOLE_COMMAND(ina, command_ina, - "<index> [config|mask <val>]", - "INA3221 voltage sensing"); -#endif |