add LPM009M360A lcd driver
This commit is contained in:
wts
parent
52ed49b4bb
commit
4f9f45de4a
6 changed files with 380 additions and 1 deletions
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@ -3,4 +3,5 @@
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zephyr_library_amend()
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zephyr_library_sources_ifdef(CONFIG_IL0323 il0323.c)
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zephyr_library_sources_ifdef(CONFIG_IL0323 il0323.c)
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zephyr_library_sources_ifdef(CONFIG_LPM009M360A lpm009m360a.c)
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@ -4,5 +4,6 @@
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if DISPLAY
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rsource "Kconfig.il0323"
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rsource "Kconfig.lpm009m360a"
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endif # DISPLAY
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8
app/module/drivers/display/Kconfig.lpm009m360a
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8
app/module/drivers/display/Kconfig.lpm009m360a
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@ -0,0 +1,8 @@
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# LPM009M360A display driver configuration options
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config LPM009M360A
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bool "LPM009M360A display driver"
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default n
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select SPI
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help
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Enable driver for LPM009M360A display driver.
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323
app/module/drivers/display/lpm009m360a.c
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323
app/module/drivers/display/lpm009m360a.c
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@ -0,0 +1,323 @@
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/*
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* Copyright (c) 2023 Taisheng WANG <wstrn66@gmail.com>
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#define DT_DRV_COMPAT jdi_lpm009m360a
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#include "lpm009m360a.h"
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#include <zephyr/device.h>
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#include <zephyr/drivers/spi.h>
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#include <zephyr/drivers/gpio.h>
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#include <zephyr/pm/device.h>
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#include <zephyr/sys/byteorder.h>
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#include <zephyr/drivers/display.h>
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#include <zephyr/logging/log.h>
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LOG_MODULE_REGISTER(display_lpm009m360a, CONFIG_DISPLAY_LOG_LEVEL);
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#define LPM009M360A_RESET_TIME K_MSEC(1)
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#define LPM009M360A_EXIT_SLEEP_TIME K_MSEC(1)
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struct lpm009m360a_data {
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uint8_t buf[72 * 144 / 2];
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};
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struct lpm009m360a_config {
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struct spi_dt_spec bus;
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struct gpio_dt_spec extcomin;
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struct gpio_dt_spec disp;
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uint16_t height;
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uint16_t width;
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uint8_t color_mode[1];
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};
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static int lpm009m360a_transmit_hold(const struct device *dev, uint8_t cmd, uint8_t arg,
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const uint8_t *tx_data, size_t tx_count) {
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const struct lpm009m360a_config *config = dev->config;
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struct spi_buf tx_buf = {.buf = &cmd, .len = 1};
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struct spi_buf_set tx_bufs = {.buffers = &tx_buf, .count = 1};
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int ret;
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ret = spi_write_dt(&config->bus, &tx_bufs);
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tx_buf.buf = &arg;
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ret = spi_write_dt(&config->bus, &tx_bufs);
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if (ret < 0) {
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return ret;
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}
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if (tx_data != NULL) {
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tx_buf.buf = (void *)tx_data;
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tx_buf.len = tx_count;
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ret = spi_write_dt(&config->bus, &tx_bufs);
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if (ret < 0) {
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return ret;
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}
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}
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return 0;
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}
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static int lpm009m360a_transmit(const struct device *dev, uint8_t cmd, uint8_t arg,
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const uint8_t *tx_data, size_t tx_count) {
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const struct lpm009m360a_config *config = dev->config;
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int ret;
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ret = lpm009m360a_transmit_hold(dev, cmd, arg, tx_data, tx_count);
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spi_release_dt(&config->bus);
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return ret;
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}
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static int lpm009m360a_exit_sleep(const struct device *dev) {
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int ret;
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const struct lpm009m360a_config *config = dev->config;
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ret = gpio_pin_set_dt(&config->disp, 1);
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if (ret < 0) {
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return ret;
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}
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k_sleep(LPM009M360A_EXIT_SLEEP_TIME);
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return 0;
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}
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static int lpm009m360a_sleep(const struct device *dev) {
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int ret;
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const struct lpm009m360a_config *config = dev->config;
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ret = gpio_pin_set_dt(&config->disp, 0);
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if (ret < 0) {
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return ret;
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}
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return 0;
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}
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static int lpm009m360a_reset_display(const struct device *dev) {
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int ret;
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LOG_DBG("Resetting display");
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ret = lpm009m360a_transmit(dev, LPM009M360A_CMD_ALL_CLEAR, 0, NULL, 0);
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k_sleep(LPM009M360A_RESET_TIME);
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return 0;
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}
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static int lpm009m360a_blanking_on(const struct device *dev) { return lpm009m360a_sleep(dev); }
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static int lpm009m360a_blanking_off(const struct device *dev) {
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return lpm009m360a_exit_sleep(dev);
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}
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static int lpm009m360a_read(const struct device *dev, const uint16_t x, const uint16_t y,
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const struct display_buffer_descriptor *desc, void *buf) {
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return -ENOTSUP;
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}
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#define RGB565_RGB111(s) ((s & 0x8000) >> 12) | ((s & 0x0400) >> 8) | ((s & 0x0010) >> 3)
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static int lpm009m360a_write(const struct device *dev, const uint16_t x, const uint16_t y,
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const struct display_buffer_descriptor *desc, const void *buf) {
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const uint16_t *source_buf = (uint16_t *)buf;
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const uint8_t *source_buf8 = (uint8_t *)buf;
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const struct lpm009m360a_config *config = dev->config;
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struct lpm009m360a_data *data = dev->data;
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int ret = 0;
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uint8_t cmd = LPM009M360A_CMD_UPDATE | (config->color_mode[0] << 2);
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size_t len = (config->color_mode[0] == 0x02) ? 9 : 36;
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uint8_t cnt = desc->height;
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if (config->color_mode[0] == 0x04) {
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if (x % 2) {
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for (uint8_t i = 0; i < desc->height; i++) {
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for (uint8_t j = 0; j < desc->width;) {
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data->buf[(y + i) * 36 + (x + j) / 2] &= 0xf0;
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data->buf[(y + i) * 36 + (x + j) / 2] |=
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(0x0f & (RGB565_RGB111(source_buf[(i * desc->width) + j])));
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j++;
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if (j < desc->width) {
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data->buf[(y + i) * 36 + (x + j) / 2] &= 0x0f;
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data->buf[(y + i) * 36 + (x + j) / 2] |=
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(0x0f & (RGB565_RGB111(source_buf[i * desc->width + j]))) << 4;
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j++;
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}
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}
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}
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} else {
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for (uint8_t i = 0; i < desc->height; i++) {
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for (uint8_t j = 0; j < desc->width;) {
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data->buf[(y + i) * 36 + (x + j) / 2] &= 0x0f;
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data->buf[(y + i) * 36 + (x + j) / 2] |=
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(0x0f & (RGB565_RGB111(source_buf[(i * desc->width) + j]))) << 4;
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j++;
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if (j < desc->width) {
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data->buf[(y + i) * 36 + (x + j) / 2] &= 0xf0;
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data->buf[(y + i) * 36 + (x + j) / 2] |=
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(0x0f & (RGB565_RGB111(source_buf[i * desc->width + j])));
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j++;
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}
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}
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}
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}
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} else {
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for (uint8_t i = 0; i < desc->height; i++) {
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for (uint8_t j = 0; j < desc->width; j++) {
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data->buf[(y + i) * 9 + (x / 8 + j)] = source_buf8[i * 9 + j];
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}
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}
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}
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// LOG_INF("x:%d, y:%d, w:%d, h:%d", x, y, desc->width, desc->height);
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for (uint8_t i = 0; i < cnt; i++) {
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ret = lpm009m360a_transmit_hold(dev, cmd, i + y + 1, (uint8_t *)&data->buf[(y + i) * len],
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len);
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}
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ret = lpm009m360a_transmit_hold(dev, LPM009M360A_CMD_NO_UPDATE, 0, NULL, 0);
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ret = lpm009m360a_transmit_hold(dev, LPM009M360A_CMD_NO_UPDATE, 0, NULL, 0);
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spi_release_dt(&config->bus);
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return ret;
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}
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static void *lpm009m360a_get_framebuffer(const struct device *dev) { return NULL; }
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static int lpm009m360a_set_brightness(const struct device *dev, const uint8_t brightness) {
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return -ENOTSUP;
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}
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static int lpm009m360a_set_contrast(const struct device *dev, const uint8_t contrast) {
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return -ENOTSUP;
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}
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static void lpm009m360a_get_capabilities(const struct device *dev,
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struct display_capabilities *capabilities) {
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const struct lpm009m360a_config *config = dev->config;
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memset(capabilities, 0, sizeof(struct display_capabilities));
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capabilities->x_resolution = config->width;
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capabilities->y_resolution = config->height;
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capabilities->supported_pixel_formats = PIXEL_FORMAT_RGB_565 | PIXEL_FORMAT_MONO10;
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if (config->color_mode[0] == 0x04) {
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capabilities->current_pixel_format = PIXEL_FORMAT_RGB_565;
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} else {
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capabilities->current_pixel_format = PIXEL_FORMAT_MONO10;
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capabilities->screen_info = SCREEN_INFO_X_ALIGNMENT_WIDTH | SCREEN_INFO_MONO_MSB_FIRST;
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}
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capabilities->current_orientation = DISPLAY_ORIENTATION_NORMAL;
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}
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static int lpm009m360a_set_pixel_format(const struct device *dev,
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const enum display_pixel_format pixel_format) {
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LOG_ERR("Pixel format change not implemented");
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return -ENOTSUP;
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}
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static int lpm009m360a_set_orientation(const struct device *dev,
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const enum display_orientation orientation) {
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if (orientation == DISPLAY_ORIENTATION_NORMAL) {
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return 0;
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}
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LOG_ERR("Changing display orientation not implemented");
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return -ENOTSUP;
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}
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static int lpm009m360a_init(const struct device *dev) {
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LOG_INF("initializing");
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const struct lpm009m360a_config *config = dev->config;
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int ret;
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// if (!spi_is_ready_dt(&config->bus)) {
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// LOG_ERR("SPI bus %s not ready", config->bus.bus->name);
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// return -ENODEV;
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// }
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// if (!gpio_is_ready_dt(&config->extcomin)) {
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// LOG_ERR("extcomin GPIO port for display not ready");
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// return -ENODEV;
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// }
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ret = gpio_pin_configure_dt(&config->extcomin, GPIO_OUTPUT_INACTIVE);
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if (ret) {
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LOG_ERR("Couldn't configure extcomin pin");
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return ret;
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}
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// if (!gpio_is_ready_dt(&config->disp)) {
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// LOG_ERR("disp GPIO port not ready");
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// return -ENODEV;
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// }
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ret = gpio_pin_configure_dt(&config->disp, GPIO_OUTPUT);
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if (ret) {
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LOG_ERR("Couldn't configure disp pin");
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return ret;
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}
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ret = lpm009m360a_reset_display(dev);
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if (ret) {
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LOG_ERR("Couldn't reset display");
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return ret;
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}
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LOG_INF("initialized");
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return 0;
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}
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#ifdef CONFIG_PM_DEVICE
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static int lpm009m360a_pm_action(const struct device *dev, enum pm_device_action action) {
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int ret = 0;
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switch (action) {
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case PM_DEVICE_ACTION_RESUME:
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LOG_INF("resume");
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lpm009m360a_exit_sleep(dev);
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break;
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case PM_DEVICE_ACTION_SUSPEND:
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LOG_INF("suspend");
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lpm009m360a_sleep(dev);
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break;
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case PM_DEVICE_ACTION_TURN_OFF:
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LOG_INF("turn off");
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break;
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case PM_DEVICE_ACTION_TURN_ON:
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lpm009m360a_init(dev);
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LOG_INF("turn on");
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break;
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default:
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ret = -ENOTSUP;
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break;
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}
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return ret;
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}
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#endif /* CONFIG_PM_DEVICE */
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static const struct display_driver_api lpm009m360a_api = {
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.blanking_on = lpm009m360a_blanking_on,
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.blanking_off = lpm009m360a_blanking_off,
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.write = lpm009m360a_write,
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.read = lpm009m360a_read,
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.get_framebuffer = lpm009m360a_get_framebuffer,
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.set_brightness = lpm009m360a_set_brightness,
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.set_contrast = lpm009m360a_set_contrast,
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.get_capabilities = lpm009m360a_get_capabilities,
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.set_pixel_format = lpm009m360a_set_pixel_format,
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.set_orientation = lpm009m360a_set_orientation,
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};
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#define LPM009M360A_INIT(inst) \
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\
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const static struct lpm009m360a_config lpm009m360a_config_##inst = { \
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.bus = SPI_DT_SPEC_INST_GET( \
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inst, SPI_OP_MODE_MASTER | SPI_WORD_SET(8) | SPI_HOLD_ON_CS | SPI_LOCK_ON, 0), \
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.extcomin = GPIO_DT_SPEC_INST_GET(inst, extcomin_gpios), \
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.disp = GPIO_DT_SPEC_INST_GET(inst, disp_gpios), \
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.width = DT_INST_PROP(inst, width), \
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.height = DT_INST_PROP(inst, height), \
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.color_mode = DT_INST_PROP(inst, color_mode), \
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}; \
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static struct lpm009m360a_data lpm009m360a_data_##inst = {0}; \
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\
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PM_DEVICE_DT_INST_DEFINE(inst, lpm009m360a_pm_action); \
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\
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DEVICE_DT_INST_DEFINE(inst, lpm009m360a_init, PM_DEVICE_DT_INST_GET(inst), \
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&lpm009m360a_data_##inst, &lpm009m360a_config_##inst, POST_KERNEL, \
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CONFIG_DISPLAY_INIT_PRIORITY, &lpm009m360a_api);
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DT_INST_FOREACH_STATUS_OKAY(LPM009M360A_INIT)
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22
app/module/drivers/display/lpm009m360a.h
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22
app/module/drivers/display/lpm009m360a.h
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/*
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* Copyright (c) 2023 Taisheng WANG <wstrn66@gmail.com>
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef LPM009M360A_DISPLAY_DRIVER_H__
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#define LPM009M360A_DISPLAY_DRIVER_H__
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#include <zephyr/kernel.h>
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#define LPM009M360A_CMD_NO_UPDATE 0x00
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#define LPM009M360A_CMD_BLINKING_BLACK 0x10
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#define LPM009M360A_CMD_BLINKING_INVERSION 0x14
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#define LPM009M360A_CMD_BLINKING_WHITE 0x18
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#define LPM009M360A_CMD_ALL_CLEAR 0x20
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#define LPM009M360A_CMD_VCOM 0x40
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#define LPM009M360A_CMD_UPDATE 0x80
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#endif /* LPM009M360A_DISPLAY_DRIVER_H__ */
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24
app/module/dts/bindings/display/jdi,lpm009m360a.yaml
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24
app/module/dts/bindings/display/jdi,lpm009m360a.yaml
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# Copyright (c) 2023 Taisheng WANG <wstrn66@gmail.com>
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# SPDX-License-Identifier: Apache-2.0
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description: LPM009M360A display controller
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compatible: "jdi,lpm009m360a"
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include: [spi-device.yaml, display-controller.yaml]
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properties:
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extcomin_gpios:
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type: phandle-array
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description: COM Inversion Polarity Input pin.
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disp_gpios:
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type: phandle-array
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required: true
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description: Display ON/OFF Switching signal pin.
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color_mode:
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type: uint8-array
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default: [0x04]
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