refactor: one more step towards arch-agnostic design

[lunaix-os.git] / lunaix-os / hal / rtc.c

diff --git a/lunaix-os/hal/rtc.c b/lunaix-os/hal/rtc.c
deleted file mode 100644 (file)
index bc2c2ef..0000000
--- a/lunaix-os/hal/rtc.c
+++ /dev/null
@@ -1,55 +0,0 @@
-/**
- * @file rtc.c
- * @author Lunaixsky
- * @brief RTC & CMOS abstraction. Reference: MC146818A & Intel Series 500 PCH datasheet
- * @version 0.1
- * @date 2022-03-07
- * 
- * @copyright Copyright (c) 2022
- * 
- */
-#include <hal/rtc.h>
-#include <klibc/string.h>
-
-void
-rtc_init() {
-    u8_t regA = rtc_read_reg(RTC_REG_A | WITH_NMI_DISABLED);
-    regA = (regA & ~0x7f) | RTC_FREQUENCY_1024HZ | RTC_DIVIDER_33KHZ;
-    rtc_write_reg(RTC_REG_A | WITH_NMI_DISABLED, regA);
-
-    // Make sure the rtc timer is disabled by default
-    rtc_disable_timer();
-}
-
-u8_t
-rtc_read_reg(u8_t reg_selector)
-{
-    io_outb(RTC_INDEX_PORT, reg_selector);
-    return io_inb(RTC_TARGET_PORT);
-}
-
-void
-rtc_write_reg(u8_t reg_selector, u8_t val)
-{
-    io_outb(RTC_INDEX_PORT, reg_selector);
-    io_outb(RTC_TARGET_PORT, val);
-}
-
-u8_t
-bcd2dec(u8_t bcd)
-{
-    return ((bcd & 0xF0) >> 1) + ((bcd & 0xF0) >> 3) + (bcd & 0xf);
-}
-
-
-void
-rtc_enable_timer() {
-    u8_t regB = rtc_read_reg(RTC_REG_B | WITH_NMI_DISABLED);
-    rtc_write_reg(RTC_REG_B | WITH_NMI_DISABLED, regB | RTC_TIMER_ON);
-}
-
-void
-rtc_disable_timer() {
-    u8_t regB = rtc_read_reg(RTC_REG_B | WITH_NMI_DISABLED);
-    rtc_write_reg(RTC_REG_B | WITH_NMI_DISABLED, regB & ~RTC_TIMER_ON);
-}
\ No newline at end of file