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drivers: display: ili9xxx: add support for ILI9341 controller

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Add support for the ILI9341 display controller.

Signed-off-by: Krivorot Oleg <krivorot.oleg@gmail.com>
This commit is contained in:
Krivorot Oleg 2021-06-23 12:34:41 +03:00 • committed by Anas Nashif
commit 1d55d929db
7 changed files with 439 additions and 1 deletions
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141
drivers/display/display_ili9341.h Normal file
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/*
* Copyright (c) 2020 Teslabs Engineering S.L.
* Copyright (c) 2021 Krivorot Oleg <krivorot.oleg@gmail.com>
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef ZEPHYR_DRIVERS_DISPLAY_DISPLAY_ILI9341_H_
#define ZEPHYR_DRIVERS_DISPLAY_DISPLAY_ILI9341_H_
#include <device.h>
/* Commands/registers. */
#define ILI9341_GAMSET 0x26
#define ILI9341_FRMCTR1 0xB1
#define ILI9341_DISCTRL 0xB6
#define ILI9341_ETMOD 0xB7
#define ILI9341_PWCTRL1 0xC0
#define ILI9341_PWCTRL2 0xC1
#define ILI9341_VMCTRL1 0xC5
#define ILI9341_VMCTRL2 0xC7
#define ILI9341_PWCTRLA 0xCB
#define ILI9341_PWCTRLB 0xCF
#define ILI9341_PGAMCTRL 0xE0
#define ILI9341_NGAMCTRL 0xE1
#define ILI9341_TIMCTRLA 0xE8
#define ILI9341_TIMCTRLB 0xEA
#define ILI9341_PWSEQCTRL 0xED
#define ILI9341_ENABLE3G 0xF2
#define ILI9341_PUMPRATIOCTRL 0xF7
/* Commands/registers length. */
#define ILI9341_GAMSET_LEN 1U
#define ILI9341_FRMCTR1_LEN 2U
#define ILI9341_DISCTRL_LEN 3U
#define ILI9341_PWCTRL1_LEN 1U
#define ILI9341_PWCTRL2_LEN 1U
#define ILI9341_VMCTRL1_LEN 2U
#define ILI9341_VMCTRL2_LEN 1U
#define ILI9341_PGAMCTRL_LEN 15U
#define ILI9341_NGAMCTRL_LEN 15U
#define ILI9341_PWCTRLA_LEN 5U
#define ILI9341_PWCTRLB_LEN 3U
#define ILI9341_PWSEQCTRL_LEN 4U
#define ILI9341_TIMCTRLA_LEN 3U
#define ILI9341_TIMCTRLB_LEN 2U
#define ILI9341_PUMPRATIOCTRL_LEN 1U
#define ILI9341_ENABLE3G_LEN 1U
#define ILI9341_ETMOD_LEN 1U
/** X resolution (pixels). */
#define ILI9341_X_RES 240U
/** Y resolution (pixels). */
#define ILI9341_Y_RES 320U
/** ILI9341 registers to be initialized. */
struct ili9341_regs {
uint8_t gamset[ILI9341_GAMSET_LEN];
uint8_t frmctr1[ILI9341_FRMCTR1_LEN];
uint8_t disctrl[ILI9341_DISCTRL_LEN];
uint8_t pwctrl1[ILI9341_PWCTRL1_LEN];
uint8_t pwctrl2[ILI9341_PWCTRL2_LEN];
uint8_t vmctrl1[ILI9341_VMCTRL1_LEN];
uint8_t vmctrl2[ILI9341_VMCTRL2_LEN];
uint8_t pgamctrl[ILI9341_PGAMCTRL_LEN];
uint8_t ngamctrl[ILI9341_NGAMCTRL_LEN];
uint8_t pwctrla[ILI9341_PWCTRLA_LEN];
uint8_t pwctrlb[ILI9341_PWCTRLB_LEN];
uint8_t pwseqctrl[ILI9341_PWSEQCTRL_LEN];
uint8_t timctrla[ILI9341_TIMCTRLA_LEN];
uint8_t timctrlb[ILI9341_TIMCTRLB_LEN];
uint8_t pumpratioctrl[ILI9341_PUMPRATIOCTRL_LEN];
uint8_t enable3g[ILI9341_ENABLE3G_LEN];
uint8_t etmod[ILI9341_ETMOD_LEN];
};
/* Initializer macro for ILI9341 registers. */
#define ILI9341_REGS_INIT(n) \
BUILD_ASSERT(DT_PROP_LEN(DT_INST(n, ilitek_ili9341), gamset) == ILI9341_GAMSET_LEN, \
"ili9341: Error length gamma set (GAMSET) register"); \
BUILD_ASSERT(DT_PROP_LEN(DT_INST(n, ilitek_ili9341), frmctr1) == ILI9341_FRMCTR1_LEN, \
"ili9341: Error length frame rate control (FRMCTR1) register"); \
BUILD_ASSERT(DT_PROP_LEN(DT_INST(n, ilitek_ili9341), disctrl) == ILI9341_DISCTRL_LEN, \
"ili9341: Error length display function control (DISCTRL) register"); \
BUILD_ASSERT(DT_PROP_LEN(DT_INST(n, ilitek_ili9341), pwctrl1) == ILI9341_PWCTRL1_LEN, \
"ili9341: Error length power control 1 (PWCTRL1) register"); \
BUILD_ASSERT(DT_PROP_LEN(DT_INST(n, ilitek_ili9341), pwctrl2) == ILI9341_PWCTRL2_LEN, \
"ili9341: Error length power control 2 (PWCTRL2) register"); \
BUILD_ASSERT(DT_PROP_LEN(DT_INST(n, ilitek_ili9341), vmctrl1) == ILI9341_VMCTRL1_LEN, \
"ili9341: Error length VCOM control 1 (VMCTRL1) register"); \
BUILD_ASSERT(DT_PROP_LEN(DT_INST(n, ilitek_ili9341), vmctrl2) == ILI9341_VMCTRL2_LEN, \
"ili9341: Error length VCOM control 2 (VMCTRL2) register"); \
BUILD_ASSERT(DT_PROP_LEN(DT_INST(n, ilitek_ili9341), pgamctrl) == ILI9341_PGAMCTRL_LEN, \
"ili9341: Error length positive gamma correction (PGAMCTRL) register"); \
BUILD_ASSERT(DT_PROP_LEN(DT_INST(n, ilitek_ili9341), ngamctrl) == ILI9341_NGAMCTRL_LEN, \
"ili9341: Error length negative gamma correction (NGAMCTRL) register"); \
BUILD_ASSERT(DT_PROP_LEN(DT_INST(n, ilitek_ili9341), pwctrla) == ILI9341_PWCTRLA_LEN, \
"ili9341: Error length power control A (PWCTRLA) register"); \
BUILD_ASSERT(DT_PROP_LEN(DT_INST(n, ilitek_ili9341), pwctrlb) == ILI9341_PWCTRLB_LEN, \
"ili9341: Error length power control B (PWCTRLB) register"); \
BUILD_ASSERT(DT_PROP_LEN(DT_INST(n, ilitek_ili9341), pwseqctrl) == ILI9341_PWSEQCTRL_LEN, \
"ili9341: Error length power on sequence control (PWSEQCTRL) register"); \
BUILD_ASSERT(DT_PROP_LEN(DT_INST(n, ilitek_ili9341), timctrla) == ILI9341_TIMCTRLA_LEN, \
"ili9341: Error length driver timing control A (TIMCTRLA) register"); \
BUILD_ASSERT(DT_PROP_LEN(DT_INST(n, ilitek_ili9341), timctrlb) == ILI9341_TIMCTRLB_LEN, \
"ili9341: Error length driver timing control B (TIMCTRLB) register"); \
BUILD_ASSERT(DT_PROP_LEN(DT_INST(n, ilitek_ili9341), pumpratioctrl) == \
ILI9341_PUMPRATIOCTRL_LEN, \
"ili9341: Error length Pump ratio control (PUMPRATIOCTRL) register"); \
BUILD_ASSERT(DT_PROP_LEN(DT_INST(n, ilitek_ili9341), enable3g) == ILI9341_ENABLE3G_LEN, \
"ili9341: Error length enable 3G (ENABLE3G) register"); \
BUILD_ASSERT(DT_PROP_LEN(DT_INST(n, ilitek_ili9341), etmod) == ILI9341_ETMOD_LEN, \
"ili9341: Error length entry Mode Set (ETMOD) register"); \
static const struct ili9341_regs ili9xxx_regs_##n = { \
.gamset = DT_PROP(DT_INST(n, ilitek_ili9341), gamset), \
.frmctr1 = DT_PROP(DT_INST(n, ilitek_ili9341), frmctr1), \
.disctrl = DT_PROP(DT_INST(n, ilitek_ili9341), disctrl), \
.pwctrl1 = DT_PROP(DT_INST(n, ilitek_ili9341), pwctrl1), \
.pwctrl2 = DT_PROP(DT_INST(n, ilitek_ili9341), pwctrl2), \
.vmctrl1 = DT_PROP(DT_INST(n, ilitek_ili9341), vmctrl1), \
.vmctrl2 = DT_PROP(DT_INST(n, ilitek_ili9341), vmctrl2), \
.pgamctrl = DT_PROP(DT_INST(n, ilitek_ili9341), pgamctrl), \
.ngamctrl = DT_PROP(DT_INST(n, ilitek_ili9341), ngamctrl), \
.pwctrla = DT_PROP(DT_INST(n, ilitek_ili9341), pwctrla), \
.pwctrlb = DT_PROP(DT_INST(n, ilitek_ili9341), pwctrlb), \
.pwseqctrl = DT_PROP(DT_INST(n, ilitek_ili9341), pwseqctrl), \
.timctrla = DT_PROP(DT_INST(n, ilitek_ili9341), timctrla), \
.timctrlb = DT_PROP(DT_INST(n, ilitek_ili9341), timctrlb), \
.pumpratioctrl = DT_PROP(DT_INST(n, ilitek_ili9341), pumpratioctrl), \
.enable3g = DT_PROP(DT_INST(n, ilitek_ili9341), enable3g), \
.etmod = DT_PROP(DT_INST(n, ilitek_ili9341), etmod), \
}
/**
* @brief Initialize ILI9341 registers with DT values.
*
* @param dev ILI9341 device instance
* @return 0 on success, errno otherwise.
*/
int ili9341_regs_init(const struct device *dev);
#endif /* ZEPHYR_DRIVERS_DISPLAY_DISPLAY_ILI9341_H_ */