From 7d03a941be6e9226e71cb5f5b4f7949e06bbfb02 Mon Sep 17 00:00:00 2001
From: Uros Majstorovic <majstor@majstor.org>
Date: Thu, 9 Dec 2021 23:50:58 +0100
Subject: improved init process

---
 fw/fe310/eos/pwr.c | 133 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 133 insertions(+)
 create mode 100644 fw/fe310/eos/pwr.c

(limited to 'fw/fe310/eos/pwr.c')

diff --git a/fw/fe310/eos/pwr.c b/fw/fe310/eos/pwr.c
new file mode 100644
index 0000000..f42249d
--- /dev/null
+++ b/fw/fe310/eos/pwr.c
@@ -0,0 +1,133 @@
+#include <stdlib.h>
+#include <stdint.h>
+
+#include "encoding.h"
+#include "platform.h"
+
+#include "eos.h"
+#include "event.h"
+#include "timer.h"
+#include "spi.h"
+#include "spi_dev.h"
+#include "net.h"
+#include "lcd.h"
+#include "eve/eve.h"
+
+#include "pwr.h"
+
+#define PWR_RTC_SCALE   15
+#define PWR_RTC_SFREQ   (EOS_TIMER_RTC_FREQ >> PWR_RTC_SCALE)
+
+static eos_evt_handler_t evt_handler[EOS_PWR_MAX_MTYPE];
+static unsigned char power_btn_down;
+
+int eos_pwr_init(uint8_t wakeup_cause) {
+    AON_REG(AON_PMUKEY) = 0x51F15E;
+    AON_REG(AON_PMUIE) = 0x5;
+
+    AON_REG(AON_RTCCMP) = 0xFFFFFFFF;
+    AON_REG(AON_RTCCFG) = PWR_RTC_SCALE;
+    AON_REG(AON_RTCHI) = 0;
+    AON_REG(AON_RTCLO) = 0;
+
+    return EOS_OK;
+}
+
+uint8_t eos_pwr_wakeup_cause(void) {
+    return AON_REG(AON_PMUCAUSE) & 0xff;
+}
+
+uint8_t eos_pwr_reset_cause(void) {
+    return (AON_REG(AON_PMUCAUSE) >> 8) & 0xff;
+}
+
+int eos_pwr_sleep(void) {
+    int rv;
+
+    rv = eos_lcd_sleep();
+    if (rv) return rv;
+
+    eos_spi_select(EOS_SPI_DEV_EVE);
+    eve_sleep();
+    eos_spi_deselect();
+
+    rv = eos_net_sleep(1000);
+    if (rv) return rv;
+
+    AON_REG(AON_PMUKEY) = 0x51F15E;
+    AON_REG(AON_PMUSLEEP) = 1;
+
+    return EOS_OK;
+}
+
+void eos_pwr_wake_at(uint32_t msec) {
+    uint32_t pmuie;
+
+    AON_REG(AON_RTCCFG) |= AON_RTCCFG_ENALWAYS;
+    AON_REG(AON_RTCCMP) = msec * PWR_RTC_SFREQ / 1000;
+
+    pmuie = AON_REG(AON_PMUIE) | 0x2;
+    AON_REG(AON_PMUKEY) = 0x51F15E;
+    AON_REG(AON_PMUIE) = pmuie;
+}
+
+void eos_pwr_wake_disable(void) {
+    uint32_t pmuie;
+
+    AON_REG(AON_RTCCMP) = 0xFFFFFFFF;
+    AON_REG(AON_RTCCFG) &= ~AON_RTCCFG_ENALWAYS;
+    AON_REG(AON_RTCHI) = 0;
+    AON_REG(AON_RTCLO) = 0;
+
+    pmuie = AON_REG(AON_PMUIE) & ~0x2;
+    AON_REG(AON_PMUKEY) = 0x51F15E;
+    AON_REG(AON_PMUIE) = pmuie;
+}
+
+static void pwr_handle_msg(unsigned char type, unsigned char *buffer, uint16_t len) {
+    unsigned char mtype;
+
+    if ((buffer == NULL) || (len < 1)) {
+        eos_net_bad_handler(type, buffer, len);
+        return;
+    }
+
+    mtype = buffer[0];
+    if ((mtype < EOS_PWR_MAX_MTYPE) && evt_handler[mtype]) {
+        evt_handler[mtype](mtype, buffer, len);
+    } else {
+        eos_net_bad_handler(type, buffer, len);
+    }
+}
+
+static void pwr_handle_btn(unsigned char type, unsigned char *buffer, uint16_t len) {
+    unsigned char level = buffer[1];
+
+    eos_net_free(buffer, 0);
+    if (!level) {
+        power_btn_down = 1;
+        return;
+    }
+    if (!power_btn_down) return;
+
+    eos_pwr_sleep();
+}
+
+void eos_pwr_netinit(void) {
+    int i;
+
+    for (i=0; i<EOS_PWR_MAX_MTYPE; i++) {
+        evt_handler[i] = NULL;
+    }
+    eos_net_set_handler(EOS_NET_MTYPE_POWER, pwr_handle_msg);
+    eos_pwr_set_handler(EOS_PWR_MTYPE_BUTTON, pwr_handle_btn);
+}
+
+void eos_pwr_set_handler(unsigned char mtype, eos_evt_handler_t handler) {
+    if (mtype < EOS_PWR_MAX_MTYPE) evt_handler[mtype] = handler;
+}
+
+eos_evt_handler_t eos_pwr_get_handler(unsigned char mtype) {
+    if (mtype < EOS_PWR_MAX_MTYPE) return evt_handler[mtype];
+    return NULL;
+}
-- 
cgit v1.2.3