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67 lines
2.7 KiB
67 lines
2.7 KiB
// Copyright 2021 Nick Brassel (@tzarc)
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include "color.h"
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#include "qp_internal.h"
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#ifdef QUANTUM_PAINTER_SPI_ENABLE
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# include "qp_comms_spi.h"
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#endif // QUANTUM_PAINTER_SPI_ENABLE
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// Common TFT panel implementation using D/C, and RST pins.
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typedef uint16_t (*rgb888_to_native_uint16_t)(uint8_t r, uint8_t g, uint8_t b);
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// Driver vtable with extras
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struct tft_panel_dc_reset_painter_driver_vtable_t {
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struct painter_driver_vtable_t base; // must be first, so it can be cast to/from the painter_driver_vtable_t* type
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// Conversion function for palette entries
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rgb888_to_native_uint16_t rgb888_to_native16bit;
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// Number of bytes for transmitting x/y coordinates
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uint8_t num_window_bytes;
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// Whether or not the x/y coords should be swapped on 90/270 rotation
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bool swap_window_coords;
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// Opcodes for normal display operation
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struct {
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uint8_t display_on;
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uint8_t display_off;
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uint8_t set_column_address;
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uint8_t set_row_address;
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uint8_t enable_writes;
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} opcodes;
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};
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// Device definition
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typedef struct tft_panel_dc_reset_painter_device_t {
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struct painter_driver_t base; // must be first, so it can be cast to/from the painter_device_t* type
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union {
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#ifdef QUANTUM_PAINTER_SPI_ENABLE
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// SPI-based configurables
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struct qp_comms_spi_dc_reset_config_t spi_dc_reset_config;
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#endif // QUANTUM_PAINTER_SPI_ENABLE
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// TODO: I2C/parallel etc.
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};
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} tft_panel_dc_reset_painter_device_t;
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// Forward declarations for injecting into concrete driver vtables
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bool qp_tft_panel_power(painter_device_t device, bool power_on);
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bool qp_tft_panel_clear(painter_device_t device);
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bool qp_tft_panel_flush(painter_device_t device);
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bool qp_tft_panel_viewport(painter_device_t device, uint16_t left, uint16_t top, uint16_t right, uint16_t bottom);
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bool qp_tft_panel_pixdata(painter_device_t device, const void *pixel_data, uint32_t native_pixel_count);
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bool qp_tft_panel_palette_convert(painter_device_t device, int16_t palette_size, qp_pixel_t *palette);
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bool qp_tft_panel_append_pixels(painter_device_t device, uint8_t *target_buffer, qp_pixel_t *palette, uint32_t pixel_offset, uint32_t pixel_count, uint8_t *palette_indices);
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uint16_t qp_rgb888_to_rgb565(uint8_t r, uint8_t g, uint8_t b);
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uint16_t qp_rgb888_to_rgb565_swapped(uint8_t r, uint8_t g, uint8_t b);
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uint16_t qp_rgb888_to_bgr565(uint8_t r, uint8_t g, uint8_t b);
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uint16_t qp_rgb888_to_bgr565_swapped(uint8_t r, uint8_t g, uint8_t b);
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