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96 lines
2.5 KiB
C
96 lines
2.5 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id: $
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*
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* Copyright (C) 2011 by Tomasz Moń
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "config.h"
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#include "cpu.h"
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#include <stdbool.h>
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#include "kernel.h"
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#include "system.h"
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#include "power.h"
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#include "backlight.h"
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#include "backlight-target.h"
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#include "avr-sansaconnect.h"
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#include "i2c-dm320.h"
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#include "logf.h"
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unsigned short battery_level_disksafe = 3450;
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unsigned short battery_level_shutoff = 3400;
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/* voltages (millivolt) of 0%, 10%, ... 100% when charging disabled */
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unsigned short percent_to_volt_discharge[11] =
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{
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3400, 3508, 3630, 3703, 3727, 3750, 3803, 3870, 3941, 4026, 4142
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};
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/* voltages (millivolt) of 0%, 10%, ... 100% when charging enabled */
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unsigned short percent_to_volt_charge[11] =
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{
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3540, 3788, 3860, 3890, 3916, 3956, 4016, 4085, 4164, 4180, 4190
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};
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/* (7-bit) address is 0x48, the LSB is read/write flag */
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#define TPS65021_ADDR (0x48 << 1)
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static void tps65021_write_reg(unsigned reg, unsigned value)
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{
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unsigned char data[2];
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data[0] = reg;
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data[1] = value;
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if (i2c_write(TPS65021_ADDR, data, 2) != 0)
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{
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logf("TPS65021 error reg=0x%x", reg);
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}
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}
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void power_init(void)
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{
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/* Enable LDO */
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tps65021_write_reg(0x03, 0xFD);
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/* PWM mode */
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tps65021_write_reg(0x04, 0xB2);
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/* Set core voltage to 1.5V */
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tps65021_write_reg(0x06, 0x1C);
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/* Set LCM (LDO1) to 2.85V, Set CODEC and USB (LDO2) to 1.8V */
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tps65021_write_reg(0x08, 0x36);
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/* Enable internal charger */
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avr_hid_enable_charger();
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}
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void power_off(void)
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{
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/* Disable GIO0 and GIO2 interrupts */
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IO_INTC_EINT1 &= ~(INTR_EINT1_EXT2 | INTR_EINT1_EXT0);
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avr_hid_power_off();
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}
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void ide_power_enable(bool on)
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{
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(void)on;
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}
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