ARM - Initial backlight support (#6487)

* Move AVR backlight to own file, add borrowed ARM implementation

* Tiny fix for backlight custom logic

* Remove duplicate board from rebase

* Fix f303 onekey example

* clang-format

* clang-format

* Remove backlight keymap debug

* Initial pass of ARM backlight docs

* Initial pass of ARM backlight docs - resolve todos

* fix rules validation logic

* Add f072 warning

* Add f072 warning

* tidy up breathing in backlight keymap

* tidy up breathing in backlight keymap

* add missing break to backlight keymap

1 files changed, 1 insertions, 193 deletions

diff --git a/quantum/backlight/backlight.c b/quantum/backlight/backlight.c
index 708022f68f..e26de86bf9 100644
--- a/quantum/backlight/backlight.c
+++ b/quantum/backlight/backlight.c
@@ -1,193 +1 @@
-/*
-Copyright 2013 Mathias Andersson <wraul@dbox.se>
-
-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 program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#include "backlight.h"
-#include "eeconfig.h"
-#include "debug.h"
-
-backlight_config_t backlight_config;
-
-/** \brief Backlight initialization
- *
- * FIXME: needs doc
- */
-void backlight_init(void) {
-    /* check signature */
-    if (!eeconfig_is_enabled()) {
-        eeconfig_init();
-    }
-    backlight_config.raw = eeconfig_read_backlight();
-    if (backlight_config.level > BACKLIGHT_LEVELS) {
-        backlight_config.level = BACKLIGHT_LEVELS;
-    }
-    backlight_set(backlight_config.enable ? backlight_config.level : 0);
-}
-
-/** \brief Backlight increase
- *
- * FIXME: needs doc
- */
-void backlight_increase(void) {
-    if (backlight_config.level < BACKLIGHT_LEVELS) {
-        backlight_config.level++;
-    }
-    backlight_config.enable = 1;
-    eeconfig_update_backlight(backlight_config.raw);
-    dprintf("backlight increase: %u\n", backlight_config.level);
-    backlight_set(backlight_config.level);
-}
-
-/** \brief Backlight decrease
- *
- * FIXME: needs doc
- */
-void backlight_decrease(void) {
-    if (backlight_config.level > 0) {
-        backlight_config.level--;
-        backlight_config.enable = !!backlight_config.level;
-        eeconfig_update_backlight(backlight_config.raw);
-    }
-    dprintf("backlight decrease: %u\n", backlight_config.level);
-    backlight_set(backlight_config.level);
-}
-
-/** \brief Backlight toggle
- *
- * FIXME: needs doc
- */
-void backlight_toggle(void) {
-    bool enabled = backlight_config.enable;
-    dprintf("backlight toggle: %u\n", enabled);
-    if (enabled)
-        backlight_disable();
-    else
-        backlight_enable();
-}
-
-/** \brief Enable backlight
- *
- * FIXME: needs doc
- */
-void backlight_enable(void) {
-    if (backlight_config.enable) return;  // do nothing if backlight is already on
-
-    backlight_config.enable = true;
-    if (backlight_config.raw == 1)  // enabled but level == 0
-        backlight_config.level = 1;
-    eeconfig_update_backlight(backlight_config.raw);
-    dprintf("backlight enable\n");
-    backlight_set(backlight_config.level);
-}
-
-/** \brief Disable backlight
- *
- * FIXME: needs doc
- */
-void backlight_disable(void) {
-    if (!backlight_config.enable) return;  // do nothing if backlight is already off
-
-    backlight_config.enable = false;
-    eeconfig_update_backlight(backlight_config.raw);
-    dprintf("backlight disable\n");
-    backlight_set(0);
-}
-
-/** /brief Get the backlight status
- *
- * FIXME: needs doc
- */
-bool is_backlight_enabled(void) { return backlight_config.enable; }
-
-/** \brief Backlight step through levels
- *
- * FIXME: needs doc
- */
-void backlight_step(void) {
-    backlight_config.level++;
-    if (backlight_config.level > BACKLIGHT_LEVELS) {
-        backlight_config.level = 0;
-    }
-    backlight_config.enable = !!backlight_config.level;
-    eeconfig_update_backlight(backlight_config.raw);
-    dprintf("backlight step: %u\n", backlight_config.level);
-    backlight_set(backlight_config.level);
-}
-
-/** \brief Backlight set level
- *
- * FIXME: needs doc
- */
-void backlight_level(uint8_t level) {
-    if (level > BACKLIGHT_LEVELS) level = BACKLIGHT_LEVELS;
-    backlight_config.level  = level;
-    backlight_config.enable = !!backlight_config.level;
-    eeconfig_update_backlight(backlight_config.raw);
-    backlight_set(backlight_config.level);
-}
-
-/** \brief Get backlight level
- *
- * FIXME: needs doc
- */
-uint8_t get_backlight_level(void) { return backlight_config.level; }
-
-#ifdef BACKLIGHT_BREATHING
-/** \brief Backlight breathing toggle
- *
- * FIXME: needs doc
- */
-void backlight_toggle_breathing(void) {
-    bool breathing = backlight_config.breathing;
-    dprintf("backlight breathing toggle: %u\n", breathing);
-    if (breathing)
-        backlight_disable_breathing();
-    else
-        backlight_enable_breathing();
-}
-
-/** \brief Enable backlight breathing
- *
- * FIXME: needs doc
- */
-void backlight_enable_breathing(void) {
-    if (backlight_config.breathing) return;  // do nothing if breathing is already on
-
-    backlight_config.breathing = true;
-    eeconfig_update_backlight(backlight_config.raw);
-    dprintf("backlight breathing enable\n");
-    breathing_enable();
-}
-
-/** \brief Disable backlight breathing
- *
- * FIXME: needs doc
- */
-void backlight_disable_breathing(void) {
-    if (!backlight_config.breathing) return;  // do nothing if breathing is already off
-
-    backlight_config.breathing = false;
-    eeconfig_update_backlight(backlight_config.raw);
-    dprintf("backlight breathing disable\n");
-    breathing_disable();
-}
-
-/** \brief Get the backlight breathing status
- *
- * FIXME: needs doc
- */
-bool is_backlight_breathing(void) { return backlight_config.breathing; }
-#endif
+// TODO: Add common code here, for example cie_lightness implementation