[Keymap] Add Endemoniada keymaps (#6875)

* Add dz60 keymap

* Add my TADA68 layout

* Fix descriptions and formatting

* Formatting fixes

* Add readme file

* Formatting

* move caps lock to correct key, add F-keys to both layers

* Add readme for dz60

* First draft of custom Let's Split layout

* Some more keys

* Finalized keymap

* Added a bunch of custom shortcuts to make layout easier to read

* Add PERMISSIVE_HOLD option to modtap behavior

* Add lock and sleep shortcuts, formatting

* Minor fixes and adjustments

* Add PERMISSIVE_HOLD option, add sleep/lock shortcuts, minor fixes

* Add sleep/lock shortcuts, minor fixes

* fixups

* Major simplification of lets_split layout into more standard raise/lower/special layers

* Remove layer songs, add to readme

* Formatting

* Switch a few keys around for reachability

* Add windows/mac specific layers

* simplify layers

* Update README

* Fix legends

* Invert numpad and put Del in upper right corner

* Disable arrow keys on Raise, add build instructions

* Move dz60 keymap to its own branch

* Remove redundant configuration

* Change volume and sleep keycodes to standard

* Removing empty rules.mk

* Changing layer defines to enum

* Adding comment to explain reason for swapping KC_TRNS and KC_NO fillers

4 files changed, 168 insertions, 0 deletions

diff --git a/keyboards/tada68/keymaps/mekberg/config.h b/keyboards/tada68/keymaps/mekberg/config.h
new file mode 100644
index 000000000..d29180a5a
--- /dev/null
+++ b/keyboards/tada68/keymaps/mekberg/config.h
@@ -0,0 +1,5 @@
+#pragma once
+
+// Define some configuration for modtap behavior
+// #define TAPPING_TERM 150
+#define PERMISSIVE_HOLD
diff --git a/keyboards/tada68/keymaps/mekberg/keymap.c b/keyboards/tada68/keymaps/mekberg/keymap.c
new file mode 100755
index 000000000..1acbf2c48
--- /dev/null
+++ b/keyboards/tada68/keymaps/mekberg/keymap.c
@@ -0,0 +1,100 @@
+#include QMK_KEYBOARD_H
+
+// Fillers to make layering more clear
+// The default names have been swapped to make the keymap more readable.
+#define XXXXXX KC_TRNS
+#define ______ KC_NO
+
+// ISO keycodes with Swedish layout names
+#define SE_PLUS KC_MINS         // +
+#define SE_TCK KC_EQL           // Fronttick (´)
+#define SE_DASH KC_SLSH         // -
+#define SE_UML KC_RBRC          // Umlaut (¨)
+#define SE_QUT KC_NUHS          // Singlequote (')
+#define SE_AUML KC_QUOT     	// Ä
+#define SE_ARNG KC_LBRC     	// Å
+#define SE_OUML KC_SCLN     	// Ö
+#define SE_LT KC_NUBS       	// <
+
+// My common shortcuts
+#define MY_PREV KC_MRWD         // Media: Previous
+#define MY_NEXT KC_MFFD         // Media: Next
+#define MY_PLAY KC_MPLY         // Media: Play/Pause
+#define MY_LOCK C(A(KC_L))      // Mac: Lock
+
+
+/*
+TADA68 ISO physical layout
+1u == 8chars
+,----------------------------------------------------------------------------------------------------------------------------------------------.
+|        |        |        |        |        |        |        |        |        |        |        |        |        |      2u        |        |
+|----------------------------------------------------------------------------------------------------------------------------------------------|
+|    1,5u    |        |        |        |        |        |        |        |        |        |        |        |        |     1,5u   |        |
+|--------------------------------------------------------------------------------------------------------------------------|          |--------|
+|     1,75u    |        |        |        |        |        |        |        |        |        |        |        |        |   1,25u  |        |
+|----------------------------------------------------------------------------------------------------------------------------------------------|
+|   1,25u  |        |        |        |        |        |        |        |        |        |        |        |     1,75u    |        |        |
+|----------------------------------------------------------------------------------------------------------------------------------------------|
+|   1,25u  |   1,25u  |   1,25u  |                                                       |        |        |        |        |        |        |
+`----------------------------------------------------------------------------------------------------------------------------------------------'
+*/
+
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+	[0] = LAYOUT_iso(
+//  ,----------------------------------------------------------------------------------------------------------------------------------------------.
+//  |  Esc   |    1   |    2   |    3   |    4   |    5   |    6   |    7   |    8   |    9   |    0   |    +   |    ´   |   Backspace    |  Home  |
+     KC_GESC,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    SE_PLUS, SE_TCK,     KC_BSPC,      KC_HOME,
+//  |----------------------------------------------------------------------------------------------------------------------------------------------|
+//  |    Tab     |    Q   |    W   |    E   |    R   |    T   |    Y   |    U   |    I   |    O   |    P   |    Å   |    ¨   |            |  End   |
+     LT(2,KC_TAB), KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,    KC_Y,    KC_U,    KC_I,    KC_O,    KC_P,    SE_ARNG, SE_UML,              KC_END,
+//  |--------------------------------------------------------------------------------------------------------------------------|          |--------|
+//  |    LCtrl     |    A   |    S   |    D   |    F   |    G   |    H   |    J   |    K   |    L   |   Ö    |   Ä    |   '    |   Enter  |  PgUp  |
+        KC_LCTL,     KC_A,    KC_S,    KC_D,    KC_F,    KC_G,    KC_H,    KC_J,    KC_K,    KC_L,   SE_OUML, SE_AUML, SE_QUT,    KC_ENT,  KC_PGUP,
+//  |----------------------------------------------------------------------------------------------------------------------------------------------|
+//  |  LShift  |   <>   |    Z   |   X    |   C    |    V   |    B   |    N   |    M   |   ,    |   .    |   -    |   RShift     |   Up   |  PgDn  |
+      KC_LSFT,   SE_LT,  KC_Z,    KC_X,    KC_C,     KC_V,    KC_B,    KC_N,    KC_M,   KC_COMM, KC_DOT,  SE_DASH,    KC_RSFT,     KC_UP,  KC_PGDN,
+//  |----------------------------------------------------------------------------------------------------------------------------------------------|
+//  |  LCtrl   |   LAlt   | Command  |                        Space                          |Command |  RAlt  |  Fn    |  Left  |  Down  | Right  |
+      KC_LCTL,   KC_LALT,   KC_LGUI,                         KC_SPC,                          KC_LGUI, KC_RALT, MO(1),   KC_LEFT, KC_DOWN, KC_RGHT
+//  `----------------------------------------------------------------------------------------------------------------------------------------------'
+	),
+
+	[1] = LAYOUT_iso(
+//  ,----------------------------------------------------------------------------------------------------------------------------------------------.
+//  |        |   F1   |   F2   |   F3   |   F4   |   F5   |   F6   |   F7   |   F8   |   F9   |  F10   |  F11   |  F12   |     Delete     |  Ins   |
+     KC_GRV,   KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12,      KC_DEL,      KC_INS,
+//  |----------------------------------------------------------------------------------------------------------------------------------------------|
+//  |            |        |   Up   |        |        |        |        |        |        |        |        |        |        |            |  Mute  |
+        ______,    ______,  KC_UP,   ______,  ______,  ______,  ______,  ______,  ______,  ______,  ______,  ______,  ______,              KC__MUTE,
+//  |--------------------------------------------------------------------------------------------------------------------------|   Lock   |--------|
+//  |  Caps Lock   |  Left  |  Down  | Right  | BLight |        |        |        |        |        |        |        |        |  Screen  | VolUp  |
+        KC_CAPS,    KC_LEFT, KC_DOWN, KC_RGHT, BL_BRTG, ______,   ______,  ______,  ______,  ______,  ______,  ______,  ______,  MY_LOCK,  KC_VOLU,
+//  |----------------------------------------------------------------------------------------------------------------------------------------------|
+//  |          |        |        |        |  Bl-   |BLtoggle | Bl+   |        |        |        |        |        |              |  Stop  | VolDn  |
+       ______,   ______,  ______,  ______, BL_DEC,  BL_TOGG, BL_INC,   ______,  ______,  ______,  ______,  ______,    ______,    KC_MSTP,  KC_VOLD,
+//  |----------------------------------------------------------------------------------------------------------------------------------------------|
+//  |          |          |          |                        Sleep                          |        |        |        |  Prev  |  Play  |  Fwd   |
+      ______,    ______,    ______,                          KC_SLEP,                           ______,  ______,  XXXXXX, MY_PREV, MY_PLAY, MY_NEXT
+//  `----------------------------------------------------------------------------------------------------------------------------------------------'
+	),
+
+	[2] = LAYOUT_iso(
+//  ,----------------------------------------------------------------------------------------------------------------------------------------------.
+//  |   Esc  |   F1   |   F2   |   F3   |   F4   |   F5   |   F6   |   F7   |   F8   |   F9   |  F10   |  F11   |  F12   |     Delete     |        |
+     KC_ESC,   KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12,      KC_DEL,     ______,
+//  |----------------------------------------------------------------------------------------------------------------------------------------------|
+//  |            |        |   Up   |        |        |        |        |        |        |        |        |        |        |            |  Mute  |
+        XXXXXX,      ______, KC_UP,  ______,  ______,  ______,  ______,  ______,  ______,  ______,  ______,  ______,  ______,              KC__MUTE,
+//  |--------------------------------------------------------------------------------------------------------------------------|          |--------|
+//  |              |  Left  |  Down  | Right  |        |        |  Left  |  Down  |   Up   | Right  |        |        |        |          | VolUp  |
+        ______,     KC_LEFT, KC_DOWN, KC_RGHT,  ______,  ______, KC_LEFT, KC_DOWN,  KC_UP,  KC_RGHT,  ______,  ______,  ______,   ______,  KC_VOLU,
+//  |----------------------------------------------------------------------------------------------------------------------------------------------|
+//  |          |        |        |        |        |        |        |        |        |        |        |        |              | Stop   | VolDn  |
+       ______,   ______,  ______,  ______,  ______,  ______,  ______,  ______,  ______,  ______,  ______,  ______,    ______,    KC_MSTP,  KC_VOLD,
+//  |----------------------------------------------------------------------------------------------------------------------------------------------|
+//  |          |          |          |                                                       |        |        |        |  Prev  |  Play  |  Fwd   |
+      ______,    ______,    ______,                          ______,                           ______,  ______,  ______, MY_PREV, MY_PLAY, MY_NEXT
+//  `----------------------------------------------------------------------------------------------------------------------------------------------'
+	)
+};
diff --git a/keyboards/tada68/keymaps/mekberg/readme.md b/keyboards/tada68/keymaps/mekberg/readme.md
new file mode 100644
index 000000000..be578e957
--- /dev/null
+++ b/keyboards/tada68/keymaps/mekberg/readme.md
@@ -0,0 +1,58 @@
+# Mekberg's TADA68 layout
+
+More or less a standard Swedish ISO layout, with Mac-centric key positions. All keys not assigned on non-default layers are set to KC_NO
+as I don't want them to pass through when activating a layer.
+
+# Layers
+
+### Base Layer
+
+```
+,----------------------------------------------------------------------------------------------------------------------------------------------.
+|  Esc   |    1   |    2   |    3   |    4   |    5   |    6   |    7   |    8   |    9   |    0   |    +   |    ´   |   Backspace    |  Home  |
+|----------------------------------------------------------------------------------------------------------------------------------------------|
+|    Tab     |    Q   |    W   |    E   |    R   |    T   |    Y   |    U   |    I   |    O   |    P   |    Å   |    ¨   |            |  End   |
+|--------------------------------------------------------------------------------------------------------------------------|          |--------|
+|    LCtrl     |    A   |    S   |    D   |    F   |    G   |    H   |    J   |    K   |    L   |   Ö    |   Ä    |   '    |   Enter  |  PgUp  |
+|----------------------------------------------------------------------------------------------------------------------------------------------|
+|  LShift  |   <>   |    Z   |   X    |   C    |    V   |    B   |    N   |    M   |   ,    |   .    |   -    |   RShift     |   Up   |  PgDn  |
+|----------------------------------------------------------------------------------------------------------------------------------------------|
+|  LCtrl   |   LAlt   | Command  |                        Space                          |Command |  RAlt  |  Fn    |  Left  |  Down  | Right  |
+`----------------------------------------------------------------------------------------------------------------------------------------------'
+```
+
+### Fn Layer (layer 1)
+
+```
+,----------------------------------------------------------------------------------------------------------------------------------------------.
+|        |   F1   |   F2   |   F3   |   F4   |   F5   |   F6   |   F7   |   F8   |   F9   |  F10   |  F11   |  F12   |     Delete     |  Ins   |
+|----------------------------------------------------------------------------------------------------------------------------------------------|
+|            |        |   Up   |        |        |        |        |        |        |        |        |        |        |            |  Mute  |
+|--------------------------------------------------------------------------------------------------------------------------|          |--------|
+|  Caps Lock   |  Left  |  Down  | Right  | BLight |        |        |        |        |        |        |        |        |          | VolUp  |
+|----------------------------------------------------------------------------------------------------------------------------------------------|
+|          |        |        |        |  Bl-   |BLtoggle | Bl+   |        |        |        |        |        |              |  Stop  | VolDn  |
+|----------------------------------------------------------------------------------------------------------------------------------------------|
+|          |          |          |                                                       |        |        |        |  Prev  |  Play  |  Fwd   |
+`----------------------------------------------------------------------------------------------------------------------------------------------'
+```
+
+Mainly used for media keys and F-keys, as well as a nav cluster on WASD. Also has backlight keys, that are rarely used.
+
+### Modtap Tab Layer (layer 2)
+
+```
+,----------------------------------------------------------------------------------------------------------------------------------------------.
+|   Esc  |   F1   |   F2   |   F3   |   F4   |   F5   |   F6   |   F7   |   F8   |   F9   |  F10   |  F11   |  F12   |     Delete     |        |
+|----------------------------------------------------------------------------------------------------------------------------------------------|
+|            |        |   Up   |        |        |        |        |        |        |        |        |        |        |            |  Mute  |
+|--------------------------------------------------------------------------------------------------------------------------|          |--------|
+|              |  Left  |  Down  | Right  |        |        |  Left  |  Down  |   Up   | Right  |        |        |        |          | VolUp  |
+|----------------------------------------------------------------------------------------------------------------------------------------------|
+|          |        |        |        |        |        |        |        |        |        |        |        |              | Stop   | VolDn  |
+|----------------------------------------------------------------------------------------------------------------------------------------------|
+|          |          |          |                                                       |        |        |        |  Prev  |  Play  |  Fwd   |
+`----------------------------------------------------------------------------------------------------------------------------------------------'
+```
+
+Tab acts as Tab when tapped, and as Layer 2 when held. Used for HJKL nav keys and Delete.
diff --git a/keyboards/tada68/keymaps/mekberg/rules.mk b/keyboards/tada68/keymaps/mekberg/rules.mk
new file mode 100644
index 000000000..dbaa9045e
--- /dev/null
+++ b/keyboards/tada68/keymaps/mekberg/rules.mk
@@ -0,0 +1,5 @@
+# Build Options
+#   change to "no" to disable the options, or define them in the Makefile in
+#   the appropriate keymap folder that will get included automatically
+#
+CONSOLE_ENABLE = no         # Console for debug(+400)