lcd: add esp_lcd component

* Support intel 8080 LCD panel IO on ESP32-S3
* Support RGB LCD panel on ESP32-S3
* Support SPI && I2C LCD panel IO on all esp chips
This commit is contained in:
morris
2021-05-12 11:26:07 +08:00
parent 270ed70f3e
commit e10202a608
33 changed files with 3856 additions and 13 deletions

View File

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/*
* SPDX-FileCopyrightText: 2021 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#pragma once
#include "soc/soc_caps.h"
#if SOC_LCDCAM_SUPPORTED
#include "hal/lcd_hal.h"
#include "hal/dma_types.h"
#else
#error "lcd peripheral is not supported on this chip"
#endif
#ifdef __cplusplus
extern "C" {
#endif
#if SOC_LCDCAM_SUPPORTED
#define LCD_PERIPH_CLOCK_PRE_SCALE (2) // This is the minimum divider that can be applied to LCD peripheral
typedef enum {
LCD_COM_DEVICE_TYPE_I80,
LCD_COM_DEVICE_TYPE_RGB
} lcd_com_device_type_t;
/**
* @brief Register a LCD device to platform
*
* @param device_type Device type, refer to lcd_com_device_type_t
* @param device_obj Device object
* @return >=0: member_id, <0: no free lcd bus/panel slots
*/
int lcd_com_register_device(lcd_com_device_type_t device_type, void *device_obj);
/**
* @brief Remove a device from platform
*
* @param device_type Device type, refer to lcd_com_device_type_t
* @param member_id member ID
*/
void lcd_com_remove_device(lcd_com_device_type_t device_type, int member_id);
/**
* @brief Select clock source and return peripheral clock resolution (in Hz)
*
* @note The clock source selection is injected by the Kconfig system,
* dynamic switching peripheral clock source is not supported in driver.
*
* @param hal HAL object
* @return Peripheral clock resolution, in Hz
*/
unsigned long lcd_com_select_periph_clock(lcd_hal_context_t *hal);
/**
* @brief Mount data to DMA descriptors
*
* @param desc_head Point to the head of DMA descriptor chain
* @param buffer Data buffer
* @param len Size of the data buffer, in bytes
*/
void lcd_com_mount_dma_data(dma_descriptor_t *desc_head, const void *buffer, size_t len);
#endif // SOC_LCDCAM_SUPPORTED
#ifdef __cplusplus
}
#endif