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/* Copyright 2021 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*
* Public header for Kinetic 36-Channel RGB LED Drivers with I2C control,
* including KTD2061/58/59/60.
*/
#ifndef __CROS_EC_DRIVER_RGB_LED_DRIVER_KTD20XX_PUBLIC_H
#define __CROS_EC_DRIVER_RGB_LED_DRIVER_KTD20XX_PUBLIC_H
/*
* KTD20xx Register Definition
*
* Reg0x00: ID Data Register
* skip...
* Reg0x01: MONITOR Status Register
* skip...
* Reg0x02: CONTROL Configuration Register
* BIT7:6 is EN_MODE[1:0]
* 00 = global off, 01 = Night mode,
* 10 = Normal mode, 11 = reset as default
* BIT5 is BrightExtendTM Enable
* 0 = disable/1 = enable
* BIT4:3 is CoolExtendTM Temperature Setting
* 00 = 135°C rising, 01 = 120°C
* 10 = 105°C, 11 = 90°C
* BIT2:0 is Fade Rate Exponential Time-Constant Setting
* 000 = 31ms, 001 = 63ms, 010 = 125ms, 011 = 250ms
* 100 = 500ms, 101 = 1s, 110 = 2s, 111 = 4s
*
* Reg0x03: IRED0 Color Configuration Register
* IRED_SET0[7:0] Red Current Setting 0
* 0000 0000 = 0μA
* 0000 0001 = 125μA
* ...
* 0010 1000 = 5mA
* ...
* 1100 0000 = 24mA
* 1100 0001 = 24mA (reads back as 1100 0000)
* ...
* 1111 1111 = 24mA (reads back as 1100 0000)
* Reg0x04: IGRN0 Color Configuration Register
* IGRN_SET0[7:0] Green Current Setting 0
* Reg0x05: IBLU0 Color Configuration Register
* IBLU_SET0[7:0] Blue Current Setting 0
* Reg0x06: IRED1 Color Configuration Register
* IRED_SET1[7:0] Red Current Setting 1
* Reg0x07: IGRN1 Color Configuration Register
* IGRN_SET1[7:0] Green Current Setting 1
* Reg0x08: IBLU1 Color Configuration Register
* IBLU_SET1[7:0] Blue Current Setting 1
*
* Reg0x09: ISELA12 Selection Configuration Register
* BIT7 is ENA1, Enable RGB with anode connected to LEDA1 pin
* 0 = use 0μA for these LEDs (includes fade to 0μA)
* 1 = use the settings selected by RGBA1_SEL[2:0]
* BIT6:4 is RGBA1_SEL[2:0]
* Current Selection for RGB with anode connected to LEDA1 pin
* 0XX = I LEDA3 selects IRED_SET0[7:0]
* 1XX = I LEDA3 selects IRED_SET1[7:0]
* X0X = I LEDA2 selects IGRN_SET0[7:0]
* X1X = I LEDA2 selects IGRN_SET1[7:0]
* XX0 = I LEDA4 selects IBLU_SET0[7:0]
* XX1 = I LEDA4 selects IBLU_SET1[7:0]
* BIT3 IS ENA2
* 0 = use 0μA for these LEDs (includes fade to 0μA)
* 1 = use the settings selected by RGBA2_SEL[2:0]
* BIT2:0 is RGBA2_SEL[2:0]
* Current Selection for RGB with anode connected to LEDA2 pin
* 0XX = I LEDA4 selects IRED_SET0[7:0]
* 1XX = I LEDA4 selects IRED_SET1[7:0]
* X0X = I LEDA3 selects IGRN_SET0[7:0]
* X1X = I LEDA3 selects IGRN_SET1[7:0]
* XX0 = I LEDA1 selects IBLU_SET0[7:0]
* XX1 = I LEDA1 selects IBLU_SET1[7:0]
* Reg0x0A: ISELA34 Selection Configuration Register
* BIT7 is ENA3, Enable RGB with anode connected to LEDA3 pin
* 0 = use 0μA for these LEDs (includes fade to 0μA)
* 1 = use the settings selected by RGBA3_SEL[2:0]
* BIT6:4 is RGBA3_SEL[2:0]
* Current Selection for RGB with anode connected to LEDA3 pin
* 0XX = I LEDA1 selects IRED_SET0[7:0]
* 1XX = I LEDA1 selects IRED_SET1[7:0]
* X0X = I LEDA4 selects IGRN_SET0[7:0]
* X1X = I LEDA4 selects IGRN_SET1[7:0]
* XX0 = I LEDA2 selects IBLU_SET0[7:0]
* XX1 = I LEDA2 selects IBLU_SET1[7:0]
* BIT3 IS ENA4
* 0 = use 0μA for these LEDs (includes fade to 0μA)
* 1 = use the settings selected by RGBA4_SEL[2:0]
* BIT2:0 is RGBA4_SEL[2:0]
* Current Selection for RGB with anode connected to LEDA4 pin
* 0XX = I LEDA2 selects IRED_SET0[7:0]
* 1XX = I LEDA2 selects IRED_SET1[7:0]
* X0X = I LEDA1 selects IGRN_SET0[7:0]
* X1X = I LEDA1 selects IGRN_SET1[7:0]
* XX0 = I LEDA3 selects IBLU_SET0[7:0]
* XX1 = I LEDA3 selects IBLU_SET1[7:0]
* Reg0x0B: ISELB12 Selection Configuration Register
* BIT7 is ENB1, Enable RGB with anode connected to LEDB1 pin
* 0 = use 0μA for these LEDs (includes fade to 0μA)
* 1 = use the settings selected by RGB1_SEL[2:0]
* BIT6:4 is RGBB1_SEL[2:0]
* Current Selection for RGB with anode connected to LEDB1 pin
* 0XX = I LEDB3 selects IRED_SET0[7:0]
* 1XX = I LEDB3 selects IRED_SET1[7:0]
* X0X = I LEDB2 selects IGRN_SET0[7:0]
* X1X = I LEDB2 selects IGRN_SET1[7:0]
* XX0 = I LEDB4 selects IBLU_SET0[7:0]
* XX1 = I LEDB4 selects IBLU_SET1[7:0]
* BIT3 IS ENB2
* ...
* Reg0x0C: ISELB34 Selection Configuration Register
* ...
* Reg0x0D: ISELC12 Selection Configuration Register
* ...
* Reg0x0E: ISELC34 Selection Configuration Register
* ...
*/
enum ktd20xx_register {
KTD20XX_ID_DATA = 0x00,
KTD20XX_STATUS_REG = 0x01,
KTD20XX_CTRL_CFG = 0x02,
KTD20XX_IRED_SET0 = 0x03,
KTD20XX_IGRN_SET0 = 0x04,
KTD20XX_IBLU_SET0 = 0x05,
KTD20XX_IRED_SET1 = 0x06,
KTD20XX_IGRN_SET1 = 0x07,
KTD20XX_IBLU_SET1 = 0x08,
KTD20XX_ISEL_A12 = 0x09,
KTD20XX_ISEL_A34 = 0x0A,
KTD20XX_ISEL_B12 = 0x0B,
KTD20XX_ISEL_B34 = 0x0C,
KTD20XX_ISEL_C12 = 0x0D,
KTD20XX_ISEL_C34 = 0x0E,
KTD20XX_TOTOAL_REG
};
#endif /* __CROS_EC_DRIVER_RGB_LED_DRIVER_KTD20XX_PUBLIC_H */
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