1 files changed, 97 insertions, 0 deletions

diff --git a/firmware/target/mips/ingenic_x1000/fiiom3k/power-fiiom3k.c b/firmware/target/mips/ingenic_x1000/fiiom3k/power-fiiom3k.c
new file mode 100644
index 0000000000..3eb3146d97
--- /dev/null
+++ b/firmware/target/mips/ingenic_x1000/fiiom3k/power-fiiom3k.c
@@ -0,0 +1,97 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2021 Aidan MacDonald
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#include "power.h"
+#include "adc.h"
+#include "system.h"
+#include "kernel.h"
+#include "axp173.h"
+#include "i2c-x1000.h"
+#include "gpio-x1000.h"
+
+const unsigned short battery_level_dangerous[BATTERY_TYPES_COUNT] =
+{
+    3470
+};
+
+/* the OF shuts down at this voltage */
+const unsigned short battery_level_shutoff[BATTERY_TYPES_COUNT] =
+{
+    3400
+};
+
+/* voltages (millivolt) of 0%, 10%, ... 100% when charging disabled */
+const unsigned short percent_to_volt_discharge[BATTERY_TYPES_COUNT][11] =
+{
+    { 3400, 3639, 3697, 3723, 3757, 3786, 3836, 3906, 3980, 4050, 4159 }
+};
+
+/* voltages (millivolt) of 0%, 10%, ... 100% when charging enabled */
+const unsigned short const percent_to_volt_charge[11] =
+{
+      3485, 3780, 3836, 3857, 3890, 3930, 3986, 4062, 4158, 4185, 4196
+};
+
+#define AXP173_IRQ_PORT GPIO_B
+#define AXP173_IRQ_PIN  (1 << 10)
+
+void power_init(void)
+{
+    /* Initialize driver */
+    i2c_x1000_set_freq(2, I2C_FREQ_400K);
+    axp173_init();
+
+    /* Set lowest sample rate */
+    axp173_adc_set_rate(AXP173_ADC_RATE_25HZ);
+
+    /* Ensure battery voltage ADC is enabled */
+    int bits = axp173_adc_get_enabled();
+    bits |= (1 << ADC_BATTERY_VOLTAGE);
+    axp173_adc_set_enabled(bits);
+
+    /* Turn on all power outputs */
+    i2c_reg_modify1(AXP173_BUS, AXP173_ADDR, 0x12, 0, 0x5f, NULL);
+    i2c_reg_modify1(AXP173_BUS, AXP173_ADDR, 0x80, 0, 0xc0, NULL);
+
+    /* Short delay to give power outputs time to stabilize */
+    mdelay(5);
+}
+
+void adc_init(void)
+{
+}
+
+void power_off(void)
+{
+    /* Set the shutdown bit */
+    i2c_reg_setbit1(AXP173_BUS, AXP173_ADDR, 0x32, 7, 1, NULL);
+    while(1);
+}
+
+bool charging_state(void)
+{
+    return axp173_battery_status() == AXP173_BATT_CHARGING;
+}
+
+int _battery_voltage(void)
+{
+    return axp173_adc_read(ADC_BATTERY_VOLTAGE);
+}