1 /* 2 * Copyright (c) 2020 Teslabs Engineering S.L. 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 */ 6 #ifndef ZEPHYR_DRIVERS_DISPLAY_DISPLAY_ILI9488_H_ 7 #define ZEPHYR_DRIVERS_DISPLAY_DISPLAY_ILI9488_H_ 8 9 #include <device.h> 10 11 /* Commands/registers. */ 12 #define ILI9488_FRMCTR1 0xB1 13 #define ILI9488_DISCTRL 0xB6 14 #define ILI9488_PWCTRL1 0xC0 15 #define ILI9488_PWCTRL2 0xC1 16 #define ILI9488_VMCTRL 0xC5 17 #define ILI9488_PGAMCTRL 0xE0 18 #define ILI9488_NGAMCTRL 0xE1 19 20 /* Commands/registers length. */ 21 #define ILI9488_FRMCTR1_LEN 2U 22 #define ILI9488_DISCTRL_LEN 3U 23 #define ILI9488_PWCTRL1_LEN 2U 24 #define ILI9488_PWCTRL2_LEN 1U 25 #define ILI9488_VMCTRL_LEN 4U 26 #define ILI9488_PGAMCTRL_LEN 15U 27 #define ILI9488_NGAMCTRL_LEN 15U 28 29 /** X resolution (pixels). */ 30 #define ILI9488_X_RES 320U 31 /** Y resolution (pixels). */ 32 #define ILI9488_Y_RES 480U 33 34 /** ILI9488 registers to be initialized. */ 35 struct ili9488_regs { 36 uint8_t frmctr1[ILI9488_FRMCTR1_LEN]; 37 uint8_t disctrl[ILI9488_DISCTRL_LEN]; 38 uint8_t pwctrl1[ILI9488_PWCTRL1_LEN]; 39 uint8_t pwctrl2[ILI9488_PWCTRL2_LEN]; 40 uint8_t vmctrl[ILI9488_VMCTRL_LEN]; 41 uint8_t pgamctrl[ILI9488_PGAMCTRL_LEN]; 42 uint8_t ngamctrl[ILI9488_NGAMCTRL_LEN]; 43 }; 44 45 /* Initializer macro for ILI9488 registers. */ 46 #define ILI9488_REGS_INIT(n) \ 47 static const struct ili9488_regs ili9xxx_regs_##n = { \ 48 .frmctr1 = DT_PROP(DT_INST(n, ilitek_ili9488), frmctr1), \ 49 .disctrl = DT_PROP(DT_INST(n, ilitek_ili9488), disctrl), \ 50 .pwctrl1 = DT_PROP(DT_INST(n, ilitek_ili9488), pwctrl1), \ 51 .pwctrl2 = DT_PROP(DT_INST(n, ilitek_ili9488), pwctrl2), \ 52 .vmctrl = DT_PROP(DT_INST(n, ilitek_ili9488), vmctrl), \ 53 .pgamctrl = DT_PROP(DT_INST(n, ilitek_ili9488), pgamctrl), \ 54 .ngamctrl = DT_PROP(DT_INST(n, ilitek_ili9488), ngamctrl), \ 55 } 56 57 /** 58 * @brief Initialize ILI9488 registers with DT values. 59 * 60 * @param dev ILI9488 device instance 61 * @return 0 on success, errno otherwise. 62 */ 63 int ili9488_regs_init(const struct device *dev); 64 65 #endif /* ZEPHYR_DRIVERS_DISPLAY_DISPLAY_ILI9488_H_ */ 66