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author | Fernando Birra <[email protected]> | 2024-06-04 23:41:26 +0100 |
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committer | GitHub <[email protected]> | 2024-06-05 08:41:26 +1000 |
commit | a82b0628b399c35bcdf70f14cabfa0bb27f86af8 (patch) | |
tree | 49c0378a5cd7ca6bb9ad0c601ef8aaa4c5db190c /drivers/painter/gc9xxx/qp_gc9107.c | |
parent | 75d11e04215edc43eeef71756a23d7f46e66c459 (diff) | |
download | qmk_firmware-a82b0628b399c35bcdf70f14cabfa0bb27f86af8.tar.gz qmk_firmware-a82b0628b399c35bcdf70f14cabfa0bb27f86af8.zip |
GC9xxx LCD family drivers (GC9107 and GC9A01) (#23091)
Co-authored-by: Nick Brassel <[email protected]>
Co-authored-by: jack <[email protected]>
Co-authored-by: Joel Challis <[email protected]>
Co-authored-by: フィルターペーパー <[email protected]>
Co-authored-by: rookiebwoy <[email protected]>
Fixup boardsource/equals (#23106)
Fix make clean test:os_detection (#23112)
Fix make clean test:os_detection (#23112)"
Fixup boardsource/equals (#23106)"
Diffstat (limited to 'drivers/painter/gc9xxx/qp_gc9107.c')
-rw-r--r-- | drivers/painter/gc9xxx/qp_gc9107.c | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/drivers/painter/gc9xxx/qp_gc9107.c b/drivers/painter/gc9xxx/qp_gc9107.c new file mode 100644 index 0000000000..108344da4f --- /dev/null +++ b/drivers/painter/gc9xxx/qp_gc9107.c @@ -0,0 +1,114 @@ +// Copyright 2024 Fernando Birra +// SPDX-License-Identifier: GPL-2.0-or-later +#include "qp_internal.h" +#include "qp_comms.h" +#include "qp_gc9107.h" +#include "qp_gc9xxx_opcodes.h" +#include "qp_gc9107_opcodes.h" +#include "qp_tft_panel.h" + +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// Driver storage +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + +tft_panel_dc_reset_painter_device_t gc9107_drivers[GC9107_NUM_DEVICES] = {0}; + +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// Initialization +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +__attribute__((weak)) bool qp_gc9107_init(painter_device_t device, painter_rotation_t rotation) { + // A lot of these "unknown" opcodes are sourced from other OSS projects and are seemingly required for this display to function. + // clang-format off + const uint8_t gc9107_init_sequence[] = { + GC9XXX_SET_INTER_REG_ENABLE1, 5, 0, + GC9XXX_SET_INTER_REG_ENABLE2, 5, 0, + GC9107_SET_FUNCTION_CTL6, 0, 1, GC9107_ALLOW_SET_COMPLEMENT_RGB | 0x08 | GC9107_ALLOW_SET_FRAMERATE, + GC9107_SET_COMPLEMENT_RGB, 0, 1, GC9107_COMPLEMENT_WITH_LSB, + 0xAB, 0, 1, 0x0E, + GC9107_SET_FRAME_RATE, 0, 1, 0x19, + GC9XXX_SET_PIXEL_FORMAT, 0, 1, GC9107_PIXEL_FORMAT_16_BPP_IFPF, + GC9XXX_CMD_SLEEP_OFF, 120, 0, + GC9XXX_CMD_DISPLAY_ON, 20, 0 + }; + + // clang-format on + qp_comms_bulk_command_sequence(device, gc9107_init_sequence, sizeof(gc9107_init_sequence)); + + // Configure the rotation (i.e. the ordering and direction of memory writes in GRAM) + const uint8_t madctl[] = { + [QP_ROTATION_0] = GC9XXX_MADCTL_BGR, + [QP_ROTATION_90] = GC9XXX_MADCTL_BGR | GC9XXX_MADCTL_MX | GC9XXX_MADCTL_MV, + [QP_ROTATION_180] = GC9XXX_MADCTL_BGR | GC9XXX_MADCTL_MX | GC9XXX_MADCTL_MY, + [QP_ROTATION_270] = GC9XXX_MADCTL_BGR | GC9XXX_MADCTL_MV | GC9XXX_MADCTL_MY, + }; + qp_comms_command_databyte(device, GC9XXX_SET_MEM_ACS_CTL, madctl[rotation]); + + return true; +} + +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// Driver vtable +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + +const tft_panel_dc_reset_painter_driver_vtable_t gc9107_driver_vtable = { + .base = + { + .init = qp_gc9107_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_rgb565_swapped, + .append_pixels = qp_tft_panel_append_pixels_rgb565, + .append_pixdata = qp_tft_panel_append_pixdata, + }, + .num_window_bytes = 2, + .swap_window_coords = false, + .opcodes = + { + .display_on = GC9XXX_CMD_DISPLAY_ON, + .display_off = GC9XXX_CMD_DISPLAY_OFF, + .set_column_address = GC9XXX_SET_COL_ADDR, + .set_row_address = GC9XXX_SET_ROW_ADDR, + .enable_writes = GC9XXX_SET_MEM, + }, +}; + +#ifdef QUANTUM_PAINTER_GC9107_SPI_ENABLE +// Factory function for creating a handle to the GC9107 device +painter_device_t qp_gc9107_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 < GC9107_NUM_DEVICES; ++i) { + tft_panel_dc_reset_painter_device_t *driver = &gc9107_drivers[i]; + if (!driver->base.driver_vtable) { + driver->base.driver_vtable = (const painter_driver_vtable_t *)&gc9107_driver_vtable; + driver->base.comms_vtable = (const painter_comms_vtable_t *)&spi_comms_with_dc_vtable; + driver->base.native_bits_per_pixel = 16; // RGB565 + driver->base.panel_width = panel_width; + driver->base.panel_height = panel_height; + driver->base.rotation = QP_ROTATION_0; + driver->base.offset_x = 2; + driver->base.offset_y = 1; + + // 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; + driver->spi_dc_reset_config.command_params_uses_command_pin = false; + + if (!qp_internal_register_device((painter_device_t)driver)) { + memset(driver, 0, sizeof(tft_panel_dc_reset_painter_device_t)); + return NULL; + } + + return (painter_device_t)driver; + } + } + return NULL; +} + +#endif // QUANTUM_PAINTER_GC9107_SPI_ENABLE |