Add RGB matrix & LED Matrix support for IS31FL3742A, IS31FL3743A, IS31FL3745, IS31FL3746A (#14989)

Co-authored-by: Xelus22 <17491233+Xelus22@users.noreply.github.com>

drivers/led/issi/is31fl3746.h

@@ -0,0 +1,198 @@
+/* Copyright 2017 Jason Williams
+ * Copyright 2018 Jack Humbert
+ * Copyright 2018 Yiancar
+ * Copyright 2020 MelGeek
+ * Copyright 2021 MasterSpoon
+ *
+ * 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/>.
+ */
+
+#pragma once
+
+// This is a 7-bit address, that gets left-shifted and bit 0
+// set to 0 for write, 1 for read (as per I2C protocol)
+// The address will vary depending on your wiring:
+// 00 <-> GND
+// 01 <-> SCL
+// 10 <-> SDA
+// 11 <-> VCC
+// ADDR1 represents A1:A0 of the 7-bit address.
+// ADDR2 represents A3:A2 of the 7-bit address.
+// The result is: 0b110(ADDR2)(ADDR1)
+#ifndef DRIVER_ADDR_1
+#    define DRIVER_ADDR_1 0b1100000
+#endif
+
+// Set defaults for Spread Spectrum Register
+#ifndef ISSI_SSR_1
+#    define ISSI_SSR_1 0x00
+#endif
+#ifndef ISSI_SSR_2
+#    define ISSI_SSR_2 0x00
+#endif
+#ifndef ISSI_SSR_3
+#    define ISSI_SSR_3 0x00
+#endif
+#ifndef ISSI_SSR_4
+#    define ISSI_SSR_4 0x00
+#endif
+
+// Command Registers
+#define ISSI_COMMANDREGISTER_WRITELOCK 0xFE
+#define ISSI_COMMANDREGISTER 0xFD
+#define ISSI_IDREGISTER 0xFC
+#define ISSI_REGISTER_UNLOCK 0xC5
+
+// Response Registers
+#define ISSI_PAGE_PWM 0x00
+#define ISSI_PAGE_SCALING 0x01
+#define ISSI_PAGE_FUNCTION 0x01
+
+// Registers under Function Register
+#define ISSI_REG_CONFIGURATION 0x50
+#define ISSI_REG_GLOBALCURRENT 0x51
+#define ISSI_REG_PULLDOWNUP 0x52
+#define ISSI_REG_TEMP 0x5F
+#define ISSI_REG_SSR 0x60
+#define ISSI_REG_RESET 0x8F
+#define ISSI_REG_PWM_ENABLE 0xE0
+#define ISSI_REG_PWM_SET 0xE2
+
+// Set defaults for Function Registers
+#ifndef ISSI_CONFIGURATION
+#    define ISSI_CONFIGURATION 0x01
+#endif
+#ifndef ISSI_GLOBALCURRENT
+#    define ISSI_GLOBALCURRENT 0xFF
+#endif
+#ifndef ISSI_PULLDOWNUP
+#    define ISSI_PULLDOWNUP 0x33
+#endif
+#ifndef ISSI_TEMP
+#    define ISSI_TEMP 0x00
+#endif
+#ifndef ISSI_PWM_ENABLE
+#    define ISSI_PWM_ENABLE 0x00
+#endif
+#ifndef ISSI_PWM_SET
+#    define ISSI_PWM_SET 0x00
+#endif
+
+// Set defaults for Scaling registers
+#ifndef ISSI_SCAL_RED
+#    define ISSI_SCAL_RED 0xFF
+#endif
+#ifndef ISSI_SCAL_BLUE
+#    define ISSI_SCAL_BLUE 0xFF
+#endif
+#ifndef ISSI_SCAL_GREEN
+#    define ISSI_SCAL_GREEN 0xFF
+#endif
+#define ISSI_SCAL_RED_OFF 0x00
+#define ISSI_SCAL_GREEN_OFF 0x00
+#define ISSI_SCAL_BLUE_OFF 0x00
+
+#ifndef ISSI_SCAL_LED
+#    define ISSI_SCAL_LED 0xFF
+#endif
+#define ISSI_SCAL_LED_OFF 0x00
+
+// Set buffer sizes
+#define ISSI_MAX_LEDS 72
+#define ISSI_SCALING_SIZE 72
+#define ISSI_PWM_TRF_SIZE 18
+#define ISSI_SCALING_TRF_SIZE 18
+
+// Location of 1st bit for PWM and Scaling registers
+#define ISSI_PWM_REG_1ST 0x01
+#define ISSI_SCL_REG_1ST 0x01
+
+// Map CS SW locations to order in PWM / Scaling buffers
+// This matches the ORDER in the Datasheet Register not the POSITION
+// It will always count from 0x00 to (ISSI_MAX_LEDS - 1)
+#define CS1_SW1 0x00
+#define CS2_SW1 0x01
+#define CS3_SW1 0x02
+#define CS4_SW1 0x03
+#define CS5_SW1 0x04
+#define CS6_SW1 0x05
+#define CS7_SW1 0x06
+#define CS8_SW1 0x07
+#define CS9_SW1 0x08
+#define CS10_SW1 0x09
+#define CS11_SW1 0x0A
+#define CS12_SW1 0x0B
+#define CS13_SW1 0x0C
+#define CS14_SW1 0x0D
+#define CS15_SW1 0x0E
+#define CS16_SW1 0x0F
+#define CS17_SW1 0x10
+#define CS18_SW1 0x11
+
+#define CS1_SW2 0x12
+#define CS2_SW2 0x13
+#define CS3_SW2 0x14
+#define CS4_SW2 0x15
+#define CS5_SW2 0x16
+#define CS6_SW2 0x17
+#define CS7_SW2 0x18
+#define CS8_SW2 0x19
+#define CS9_SW2 0x1A
+#define CS10_SW2 0x1B
+#define CS11_SW2 0x1C
+#define CS12_SW2 0x1D
+#define CS13_SW2 0x1E
+#define CS14_SW2 0x1F
+#define CS15_SW2 0x20
+#define CS16_SW2 0x21
+#define CS17_SW2 0x22
+#define CS18_SW2 0x23
+
+#define CS1_SW3 0x24
+#define CS2_SW3 0x25
+#define CS3_SW3 0x26
+#define CS4_SW3 0x27
+#define CS5_SW3 0x28
+#define CS6_SW3 0x29
+#define CS7_SW3 0x2A
+#define CS8_SW3 0x2B
+#define CS9_SW3 0x2C
+#define CS10_SW3 0x2D
+#define CS11_SW3 0x2E
+#define CS12_SW3 0x2F
+#define CS13_SW3 0x30
+#define CS14_SW3 0x31
+#define CS15_SW3 0x32
+#define CS16_SW3 0x33
+#define CS17_SW3 0x34
+#define CS18_SW3 0x35
+
+#define CS1_SW4 0x36
+#define CS2_SW4 0x37
+#define CS3_SW4 0x38
+#define CS4_SW4 0x39
+#define CS5_SW4 0x3A
+#define CS6_SW4 0x3B
+#define CS7_SW4 0x3C
+#define CS8_SW4 0x3D
+#define CS9_SW4 0x3E
+#define CS10_SW4 0x3F
+#define CS11_SW4 0x40
+#define CS12_SW4 0x41
+#define CS13_SW4 0x42
+#define CS14_SW4 0x43
+#define CS15_SW4 0x44
+#define CS16_SW4 0x45
+#define CS17_SW4 0x46
+#define CS18_SW4 0x47