Samsung YP-R1 target port

This is the basic port to the new target Samsung
YP-R1, which runs on a similar platform as YP-R0.
Port is usable, although there are still
some optimizations that have to be done.

Change-Id: If83a8e386369e413581753780c159026d9e41f04

1 files changed, 153 insertions, 0 deletions

diff --git a/firmware/target/hosted/samsungypr/ypr1/powermgmt-ypr1.c b/firmware/target/hosted/samsungypr/ypr1/powermgmt-ypr1.c
new file mode 100644
index 0000000000..9a8f9747ae
--- /dev/null
+++ b/firmware/target/hosted/samsungypr/ypr1/powermgmt-ypr1.c
@@ -0,0 +1,153 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ *
+ * Copyright (C) 2013 Lorenzo Miori
+ *
+ * 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 "config.h"
+#include <sys/ioctl.h>
+#include "kernel.h"
+#include "powermgmt.h"
+#include "power.h"
+#include "file.h"
+#include "adc.h"
+#include "radio-ypr.h"
+#include "pmu-ypr1.h"
+#include "ioctl-ypr1.h"
+#include "stdio.h"
+#include "unistd.h"
+#include "fcntl.h"
+#include "system.h"
+
+#define MAX17040_VCELL          0x02
+#define MAX17040_SOC            0x04
+#define MAX17040_MODE           0x06
+#define MAX17040_VERSION        0x08
+#define MAX17040_RCOMP          0x0C
+#define MAX17040_COMMAND        0xFE
+
+static int max17040_dev = -1;
+
+void max17040_init(void)
+{
+    max17040_dev = open("/dev/r1Batt", O_RDONLY);
+    if (max17040_dev < 0)
+        printf("/dev/r1Batt open error!");
+}
+
+void max17040_close(void)
+{
+    if (max17040_dev >= 0)
+        close(max17040_dev);
+}
+
+#if (CONFIG_BATTERY_MEASURE & VOLTAGE_MEASURE) == VOLTAGE_MEASURE
+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] =
+{
+    3450
+};
+
+/* voltages (millivolt) of 0%, 10%, ... 100% when charging disabled */
+const unsigned short percent_to_volt_discharge[BATTERY_TYPES_COUNT][11] =
+{
+    { 3450, 3502, 3550, 3587, 3623, 3669, 3742, 3836, 3926, 4026, 4200 }
+};
+#endif
+
+#if CONFIG_CHARGING
+/* voltages (millivolt) of 0%, 10%, ... 100% when charging enabled */
+const unsigned short const percent_to_volt_charge[11] =
+{
+      3450, 3670, 3721, 3751, 3782, 3821, 3876, 3941, 4034, 4125, 4200
+};
+
+unsigned int power_input_status(void)
+{
+    unsigned status = POWER_INPUT_NONE;
+    if (pmu_ioctl(MAX8819_IOCTL_IS_EXT_PWR, NULL) > 0)
+        status = POWER_INPUT_MAIN_CHARGER;
+    return status;
+}
+
+#endif /* CONFIG_CHARGING */
+
+/* Returns battery voltage from MAX17040 VCELL ADC [millivolts steps],
+ * adc returns voltage in 1.25mV steps */
+/*
+ * TODO this would be interesting to be mixed with battery percentage, for information
+ * and completition purpouses
+ */
+#if (CONFIG_BATTERY_MEASURE & VOLTAGE_MEASURE) == VOLTAGE_MEASURE
+int _battery_voltage(void)
+{
+    int level = 4000;
+    max17040_request ret = { .addr = 2, .reg1 = 0, .reg2 = 0 };
+    if (ioctl(max17040_dev, MAX17040_READ_REG, &ret) >= 0)
+    {
+        int step = (ret.reg1 << 4) | (ret.reg2 >> 4);
+        level = step + (step >> 2);
+    }
+    return level;
+}
+#elif (CONFIG_BATTERY_MEASURE & PERCENTAGE_MEASURE) == PERCENTAGE_MEASURE
+int _battery_level(void)
+{
+    int level = 100;
+    max17040_request ret = { .addr = 4, .reg1 = 0, .reg2 = 0 };
+    if (ioctl(max17040_dev, MAX17040_READ_REG, &ret) >= 0)
+        level = MIN(ret.reg1, 100);
+    return level;
+}
+#endif
+
+bool charging_state(void)
+{
+    int ret = pmu_ioctl(MAX8819_IOCTL_GET_CHG_STATUS, NULL);
+    if (ret == PMU_FULLY_CHARGED)
+        return true;
+    return false;
+}
+
+#if CONFIG_TUNER
+static bool tuner_on = false;
+
+bool tuner_power(bool status)
+{
+    if (status != tuner_on)
+    {
+        tuner_on = status;
+        status = !status;
+        if (tuner_on)
+            radiodev_open();
+        else
+            radiodev_close();
+    }
+
+    return status;
+}
+
+bool tuner_powered(void)
+{
+    return tuner_on;
+}
+#endif /* #if CONFIG_TUNER */