From b67ae67687b00ffb11ef9c4652e7f7f77b0c7b6d Mon Sep 17 00:00:00 2001 From: Nick Brassel Date: Sat, 2 Jul 2022 13:20:45 +1000 Subject: [QP] Add ILI9488 support. (#17438) --- drivers/painter/ili9xxx/qp_ili9163.c | 9 +- drivers/painter/ili9xxx/qp_ili9341.c | 9 +- drivers/painter/ili9xxx/qp_ili9488.c | 120 +++++++++++++++++++++++++++ drivers/painter/ili9xxx/qp_ili9488.h | 37 +++++++++ drivers/painter/ili9xxx/qp_ili9xxx_opcodes.h | 1 + 5 files changed, 166 insertions(+), 10 deletions(-) create mode 100644 drivers/painter/ili9xxx/qp_ili9488.c create mode 100644 drivers/painter/ili9xxx/qp_ili9488.h (limited to 'drivers/painter/ili9xxx') diff --git a/drivers/painter/ili9xxx/qp_ili9163.c b/drivers/painter/ili9xxx/qp_ili9163.c index beaac0fbb5..14363c7d04 100644 --- a/drivers/painter/ili9xxx/qp_ili9163.c +++ b/drivers/painter/ili9xxx/qp_ili9163.c @@ -67,12 +67,11 @@ const struct tft_panel_dc_reset_painter_driver_vtable_t ili9163_driver_vtable = .flush = qp_tft_panel_flush, .pixdata = qp_tft_panel_pixdata, .viewport = qp_tft_panel_viewport, - .palette_convert = qp_tft_panel_palette_convert, - .append_pixels = qp_tft_panel_append_pixels, + .palette_convert = qp_tft_panel_palette_convert_rgb565_swapped, + .append_pixels = qp_tft_panel_append_pixels_rgb565, }, - .rgb888_to_native16bit = qp_rgb888_to_rgb565_swapped, - .num_window_bytes = 2, - .swap_window_coords = false, + .num_window_bytes = 2, + .swap_window_coords = false, .opcodes = { .display_on = ILI9XXX_CMD_DISPLAY_ON, diff --git a/drivers/painter/ili9xxx/qp_ili9341.c b/drivers/painter/ili9xxx/qp_ili9341.c index 1f41dcfc0b..9608f109bd 100644 --- a/drivers/painter/ili9xxx/qp_ili9341.c +++ b/drivers/painter/ili9xxx/qp_ili9341.c @@ -74,12 +74,11 @@ const struct tft_panel_dc_reset_painter_driver_vtable_t ili9341_driver_vtable = .flush = qp_tft_panel_flush, .pixdata = qp_tft_panel_pixdata, .viewport = qp_tft_panel_viewport, - .palette_convert = qp_tft_panel_palette_convert, - .append_pixels = qp_tft_panel_append_pixels, + .palette_convert = qp_tft_panel_palette_convert_rgb565_swapped, + .append_pixels = qp_tft_panel_append_pixels_rgb565, }, - .rgb888_to_native16bit = qp_rgb888_to_rgb565_swapped, - .num_window_bytes = 2, - .swap_window_coords = false, + .num_window_bytes = 2, + .swap_window_coords = false, .opcodes = { .display_on = ILI9XXX_CMD_DISPLAY_ON, diff --git a/drivers/painter/ili9xxx/qp_ili9488.c b/drivers/painter/ili9xxx/qp_ili9488.c new file mode 100644 index 0000000000..55cf9f896f --- /dev/null +++ b/drivers/painter/ili9xxx/qp_ili9488.c @@ -0,0 +1,120 @@ +// Copyright 2021 Nick Brassel (@tzarc) +// SPDX-License-Identifier: GPL-2.0-or-later + +#include "qp_internal.h" +#include "qp_comms.h" +#include "qp_ili9488.h" +#include "qp_ili9xxx_opcodes.h" +#include "qp_tft_panel.h" + +#ifdef QUANTUM_PAINTER_ILI9488_SPI_ENABLE +# include +#endif // QUANTUM_PAINTER_ILI9488_SPI_ENABLE + +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// Common + +// Driver storage +tft_panel_dc_reset_painter_device_t ili9488_drivers[ILI9488_NUM_DEVICES] = {0}; + +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// Initialization + +bool qp_ili9488_init(painter_device_t device, painter_rotation_t rotation) { + // clang-format off + const uint8_t ili9488_init_sequence[] = { + // Command, Delay, N, Data[N] + ILI9XXX_CMD_RESET, 120, 0, + ILI9XXX_SET_PGAMMA, 0, 15, 0x00, 0x03, 0x09, 0x08, 0x16, 0x0A, 0x3F, 0x78, 0x4C, 0x09, 0x0A, 0x08, 0x16, 0x1A, 0x0F, + ILI9XXX_SET_NGAMMA, 0, 15, 0x00, 0x16, 0x19, 0x03, 0x0F, 0x05, 0x32, 0x45, 0x46, 0x04, 0x0E, 0x0D, 0x35, 0x37, 0x0F, + ILI9XXX_SET_POWER_CTL_1, 0, 2, 0x17, 0x15, + ILI9XXX_SET_POWER_CTL_2, 0, 1, 0x41, + ILI9XXX_SET_VCOM_CTL_1, 0, 3, 0x00, 0x12, 0x80, + ILI9XXX_SET_PIX_FMT, 0, 1, 0x66, + ILI9XXX_SET_RGB_IF_SIG_CTL, 0, 1, 0x80, + ILI9XXX_SET_FRAME_CTL_NORMAL, 0, 1, 0xA0, + ILI9XXX_SET_INVERSION_CTL, 0, 1, 0x02, + ILI9XXX_SET_FUNCTION_CTL, 0, 2, 0x02, 0x02, + ILI9XXX_SET_IMAGE_FUNCTION, 0, 1, 0x00, + ILI9XXX_SET_PUMP_RATIO_CTL, 0, 4, 0xA9, 0x51, 0x2C, 0x82, + ILI9XXX_CMD_SLEEP_OFF, 5, 0, + ILI9XXX_CMD_DISPLAY_ON, 20, 0 + }; + // clang-format on + qp_comms_bulk_command_sequence(device, ili9488_init_sequence, sizeof(ili9488_init_sequence)); + + // Configure the rotation (i.e. the ordering and direction of memory writes in GRAM) + const uint8_t madctl[] = { + [QP_ROTATION_0] = ILI9XXX_MADCTL_BGR | ILI9XXX_MADCTL_MY, + [QP_ROTATION_90] = ILI9XXX_MADCTL_BGR | ILI9XXX_MADCTL_MX | ILI9XXX_MADCTL_MV | ILI9XXX_MADCTL_MY, + [QP_ROTATION_180] = ILI9XXX_MADCTL_BGR | ILI9XXX_MADCTL_MX, + [QP_ROTATION_270] = ILI9XXX_MADCTL_BGR | ILI9XXX_MADCTL_MV, + }; + qp_comms_command_databyte(device, ILI9XXX_SET_MEM_ACS_CTL, madctl[rotation]); + + return true; +} + +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// Driver vtable + +const struct tft_panel_dc_reset_painter_driver_vtable_t ili9488_driver_vtable = { + .base = + { + .init = qp_ili9488_init, + .power = qp_tft_panel_power, + .clear = qp_tft_panel_clear, + .flush = qp_tft_panel_flush, + .pixdata = qp_tft_panel_pixdata, + .viewport = qp_tft_panel_viewport, + .palette_convert = qp_tft_panel_palette_convert_rgb888, + .append_pixels = qp_tft_panel_append_pixels_rgb888, + }, + .num_window_bytes = 2, + .swap_window_coords = false, + .opcodes = + { + .display_on = ILI9XXX_CMD_DISPLAY_ON, + .display_off = ILI9XXX_CMD_DISPLAY_OFF, + .set_column_address = ILI9XXX_SET_COL_ADDR, + .set_row_address = ILI9XXX_SET_PAGE_ADDR, + .enable_writes = ILI9XXX_SET_MEM, + }, +}; + +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// SPI + +#ifdef QUANTUM_PAINTER_ILI9488_SPI_ENABLE + +// Factory function for creating a handle to the ILI9488 device +painter_device_t qp_ili9488_make_spi_device(uint16_t panel_width, uint16_t panel_height, pin_t chip_select_pin, pin_t dc_pin, pin_t reset_pin, uint16_t spi_divisor, int spi_mode) { + for (uint32_t i = 0; i < ILI9488_NUM_DEVICES; ++i) { + tft_panel_dc_reset_painter_device_t *driver = &ili9488_drivers[i]; + if (!driver->base.driver_vtable) { + driver->base.driver_vtable = (const struct painter_driver_vtable_t *)&ili9488_driver_vtable; + driver->base.comms_vtable = (const struct painter_comms_vtable_t *)&spi_comms_with_dc_vtable; + driver->base.native_bits_per_pixel = 24; // RGB888 + driver->base.panel_width = panel_width; + driver->base.panel_height = panel_height; + driver->base.rotation = QP_ROTATION_0; + driver->base.offset_x = 0; + driver->base.offset_y = 0; + + // SPI and other pin configuration + driver->base.comms_config = &driver->spi_dc_reset_config; + driver->spi_dc_reset_config.spi_config.chip_select_pin = chip_select_pin; + driver->spi_dc_reset_config.spi_config.divisor = spi_divisor; + driver->spi_dc_reset_config.spi_config.lsb_first = false; + driver->spi_dc_reset_config.spi_config.mode = spi_mode; + driver->spi_dc_reset_config.dc_pin = dc_pin; + driver->spi_dc_reset_config.reset_pin = reset_pin; + return (painter_device_t)driver; + } + } + return NULL; +} + +#endif // QUANTUM_PAINTER_ILI9488_SPI_ENABLE + +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// diff --git a/drivers/painter/ili9xxx/qp_ili9488.h b/drivers/painter/ili9xxx/qp_ili9488.h new file mode 100644 index 0000000000..21b8f03322 --- /dev/null +++ b/drivers/painter/ili9xxx/qp_ili9488.h @@ -0,0 +1,37 @@ +// Copyright 2021 Nick Brassel (@tzarc) +// SPDX-License-Identifier: GPL-2.0-or-later + +#pragma once + +#include "gpio.h" +#include "qp_internal.h" + +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// Quantum Painter ILI9488 configurables (add to your keyboard's config.h) + +#ifndef ILI9488_NUM_DEVICES +/** + * @def This controls the maximum number of ILI9488 devices that Quantum Painter can communicate with at any one time. + * Increasing this number allows for multiple displays to be used. + */ +# define ILI9488_NUM_DEVICES 1 +#endif + +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// Quantum Painter ILI9488 device factories + +#ifdef QUANTUM_PAINTER_ILI9488_SPI_ENABLE +/** + * Factory method for an ILI9488 SPI LCD device. + * + * @param panel_width[in] the width of the display panel + * @param panel_height[in] the height of the display panel + * @param chip_select_pin[in] the GPIO pin used for SPI chip select + * @param dc_pin[in] the GPIO pin used for D/C control + * @param reset_pin[in] the GPIO pin used for RST + * @param spi_divisor[in] the SPI divisor to use when communicating with the display + * @param spi_mode[in] the SPI mode to use when communicating with the display + * @return the device handle used with all drawing routines in Quantum Painter + */ +painter_device_t qp_ili9488_make_spi_device(uint16_t panel_width, uint16_t panel_height, pin_t chip_select_pin, pin_t dc_pin, pin_t reset_pin, uint16_t spi_divisor, int spi_mode); +#endif // QUANTUM_PAINTER_ILI9488_SPI_ENABLE diff --git a/drivers/painter/ili9xxx/qp_ili9xxx_opcodes.h b/drivers/painter/ili9xxx/qp_ili9xxx_opcodes.h index 1fa395cb89..47bb703648 100644 --- a/drivers/painter/ili9xxx/qp_ili9xxx_opcodes.h +++ b/drivers/painter/ili9xxx/qp_ili9xxx_opcodes.h @@ -85,6 +85,7 @@ #define ILI9XXX_SET_NGAMMA 0xE1 // Set negative gamma #define ILI9XXX_SET_DGAMMA_CTL_1 0xE2 // Set digital gamma ctl 1 #define ILI9XXX_SET_DGAMMA_CTL_2 0xE3 // Set digital gamma ctl 2 +#define ILI9XXX_SET_IMAGE_FUNCTION 0xE9 // Set image function #define ILI9XXX_ENABLE_3_GAMMA 0xF2 // Enable 3 gamma #define ILI9XXX_SET_IF_CTL 0xF6 // Set interface control #define ILI9XXX_SET_PUMP_RATIO_CTL 0xF7 // Set pump ratio control -- cgit v1.2.3