diff options
Diffstat (limited to 'qemu/roms/u-boot/drivers/power/power_i2c.c')
-rw-r--r-- | qemu/roms/u-boot/drivers/power/power_i2c.c | 109 |
1 files changed, 0 insertions, 109 deletions
diff --git a/qemu/roms/u-boot/drivers/power/power_i2c.c b/qemu/roms/u-boot/drivers/power/power_i2c.c deleted file mode 100644 index ac768708e..000000000 --- a/qemu/roms/u-boot/drivers/power/power_i2c.c +++ /dev/null @@ -1,109 +0,0 @@ -/* - * Copyright (C) 2011 Samsung Electronics - * Lukasz Majewski <l.majewski@samsung.com> - * - * (C) Copyright 2010 - * Stefano Babic, DENX Software Engineering, sbabic@denx.de - * - * (C) Copyright 2008-2009 Freescale Semiconductor, Inc. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <linux/types.h> -#include <power/pmic.h> -#include <i2c.h> -#include <compiler.h> - -int pmic_reg_write(struct pmic *p, u32 reg, u32 val) -{ - unsigned char buf[4] = { 0 }; - - if (check_reg(p, reg)) - return -1; - - switch (pmic_i2c_tx_num) { - case 3: - if (p->sensor_byte_order == PMIC_SENSOR_BYTE_ORDER_BIG) { - buf[2] = (cpu_to_le32(val) >> 16) & 0xff; - buf[1] = (cpu_to_le32(val) >> 8) & 0xff; - buf[0] = cpu_to_le32(val) & 0xff; - } else { - buf[0] = (cpu_to_le32(val) >> 16) & 0xff; - buf[1] = (cpu_to_le32(val) >> 8) & 0xff; - buf[2] = cpu_to_le32(val) & 0xff; - } - break; - case 2: - if (p->sensor_byte_order == PMIC_SENSOR_BYTE_ORDER_BIG) { - buf[1] = (cpu_to_le32(val) >> 8) & 0xff; - buf[0] = cpu_to_le32(val) & 0xff; - } else { - buf[0] = (cpu_to_le32(val) >> 8) & 0xff; - buf[1] = cpu_to_le32(val) & 0xff; - } - break; - case 1: - buf[0] = cpu_to_le32(val) & 0xff; - break; - default: - printf("%s: invalid tx_num: %d", __func__, pmic_i2c_tx_num); - return -1; - } - - if (i2c_write(pmic_i2c_addr, reg, 1, buf, pmic_i2c_tx_num)) - return -1; - - return 0; -} - -int pmic_reg_read(struct pmic *p, u32 reg, u32 *val) -{ - unsigned char buf[4] = { 0 }; - u32 ret_val = 0; - - if (check_reg(p, reg)) - return -1; - - if (i2c_read(pmic_i2c_addr, reg, 1, buf, pmic_i2c_tx_num)) - return -1; - - switch (pmic_i2c_tx_num) { - case 3: - if (p->sensor_byte_order == PMIC_SENSOR_BYTE_ORDER_BIG) - ret_val = le32_to_cpu(buf[2] << 16 - | buf[1] << 8 | buf[0]); - else - ret_val = le32_to_cpu(buf[0] << 16 | - buf[1] << 8 | buf[2]); - break; - case 2: - if (p->sensor_byte_order == PMIC_SENSOR_BYTE_ORDER_BIG) - ret_val = le32_to_cpu(buf[1] << 8 | buf[0]); - else - ret_val = le32_to_cpu(buf[0] << 8 | buf[1]); - break; - case 1: - ret_val = le32_to_cpu(buf[0]); - break; - default: - printf("%s: invalid tx_num: %d", __func__, pmic_i2c_tx_num); - return -1; - } - memcpy(val, &ret_val, sizeof(ret_val)); - - return 0; -} - -int pmic_probe(struct pmic *p) -{ - i2c_set_bus_num(p->bus); - debug("Bus: %d PMIC:%s probed!\n", p->bus, p->name); - if (i2c_probe(pmic_i2c_addr)) { - printf("Can't find PMIC:%s\n", p->name); - return -1; - } - - return 0; -} |