From 2728603fe6d73e805a539d337fd01051c46ca806 Mon Sep 17 00:00:00 2001
From: Joel Challis <git@zvecr.com>
Date: Fri, 19 Nov 2021 18:41:02 +0000
Subject: Move tmk_core/common/<plat> (#13918)

---
 tmk_core/common/avr/suspend.c | 152 ------------------------------------------
 1 file changed, 152 deletions(-)
 delete mode 100644 tmk_core/common/avr/suspend.c

(limited to 'tmk_core/common/avr/suspend.c')

diff --git a/tmk_core/common/avr/suspend.c b/tmk_core/common/avr/suspend.c
deleted file mode 100644
index b614746e6c..0000000000
--- a/tmk_core/common/avr/suspend.c
+++ /dev/null
@@ -1,152 +0,0 @@
-#include <stdbool.h>
-#include <avr/sleep.h>
-#include <avr/wdt.h>
-#include <avr/interrupt.h>
-#include "matrix.h"
-#include "action.h"
-#include "suspend.h"
-#include "timer.h"
-#include "led.h"
-#include "host.h"
-
-#ifdef PROTOCOL_LUFA
-#    include "lufa.h"
-#endif
-#ifdef PROTOCOL_VUSB
-#    include "vusb.h"
-#endif
-
-/** \brief Suspend idle
- *
- * FIXME: needs doc
- */
-void suspend_idle(uint8_t time) {
-    cli();
-    set_sleep_mode(SLEEP_MODE_IDLE);
-    sleep_enable();
-    sei();
-    sleep_cpu();
-    sleep_disable();
-}
-
-// TODO: This needs some cleanup
-
-#if !defined(NO_SUSPEND_POWER_DOWN) && defined(WDT_vect)
-
-// clang-format off
-#define wdt_intr_enable(value) \
-__asm__ __volatile__ ( \
-    "in __tmp_reg__,__SREG__" "\n\t" \
-    "cli" "\n\t" \
-    "wdr" "\n\t" \
-    "sts %0,%1" "\n\t" \
-    "out __SREG__,__tmp_reg__" "\n\t" \
-    "sts %0,%2" "\n\t" \
-    : /* no outputs */ \
-    : "M" (_SFR_MEM_ADDR(_WD_CONTROL_REG)), \
-    "r" (_BV(_WD_CHANGE_BIT) | _BV(WDE)), \
-    "r" ((uint8_t) ((value & 0x08 ? _WD_PS3_MASK : 0x00) | _BV(WDIE) | (value & 0x07))) \
-    : "r0" \
-)
-// clang-format on
-
-/** \brief Power down MCU with watchdog timer
- *
- * wdto: watchdog timer timeout defined in <avr/wdt.h>
- *          WDTO_15MS
- *          WDTO_30MS
- *          WDTO_60MS
- *          WDTO_120MS
- *          WDTO_250MS
- *          WDTO_500MS
- *          WDTO_1S
- *          WDTO_2S
- *          WDTO_4S
- *          WDTO_8S
- */
-static uint8_t wdt_timeout = 0;
-
-/** \brief Power down
- *
- * FIXME: needs doc
- */
-static void power_down(uint8_t wdto) {
-    wdt_timeout = wdto;
-
-    // Watchdog Interrupt Mode
-    wdt_intr_enable(wdto);
-
-    // TODO: more power saving
-    // See PicoPower application note
-    // - I/O port input with pullup
-    // - prescale clock
-    // - BOD disable
-    // - Power Reduction Register PRR
-    set_sleep_mode(SLEEP_MODE_PWR_DOWN);
-    sleep_enable();
-    sei();
-    sleep_cpu();
-    sleep_disable();
-
-    // Disable watchdog after sleep
-    wdt_disable();
-}
-#endif
-
-/** \brief Suspend power down
- *
- * FIXME: needs doc
- */
-void suspend_power_down(void) {
-#ifdef PROTOCOL_LUFA
-    if (USB_DeviceState == DEVICE_STATE_Configured) return;
-#endif
-#ifdef PROTOCOL_VUSB
-    if (!vusb_suspended) return;
-#endif
-
-    suspend_power_down_quantum();
-
-#ifndef NO_SUSPEND_POWER_DOWN
-    // Enter sleep state if possible (ie, the MCU has a watchdog timeout interrupt)
-#    if defined(WDT_vect)
-    power_down(WDTO_15MS);
-#    endif
-#endif
-}
-
-__attribute__((weak)) void matrix_power_up(void) {}
-__attribute__((weak)) void matrix_power_down(void) {}
-bool                       suspend_wakeup_condition(void) {
-    matrix_power_up();
-    matrix_scan();
-    matrix_power_down();
-    for (uint8_t r = 0; r < MATRIX_ROWS; r++) {
-        if (matrix_get_row(r)) return true;
-    }
-    return false;
-}
-
-/** \brief run immediately after wakeup
- *
- * FIXME: needs doc
- */
-void suspend_wakeup_init(void) {
-    // clear keyboard state
-    clear_keyboard();
-
-    suspend_wakeup_init_quantum();
-}
-
-#if !defined(NO_SUSPEND_POWER_DOWN) && defined(WDT_vect)
-/* watchdog timeout */
-ISR(WDT_vect) {
-    // compensate timer for sleep
-    switch (wdt_timeout) {
-        case WDTO_15MS:
-            timer_count += 15 + 2;  // WDTO_15MS + 2(from observation)
-            break;
-        default:;
-    }
-}
-#endif
-- 
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