1 files changed, 51 insertions, 0 deletions
diff --git a/drivers/painter/comms/qp_comms_spi.h b/drivers/painter/comms/qp_comms_spi.h
new file mode 100644
index 0000000000..9989987327
--- /dev/null
+++ b/drivers/painter/comms/qp_comms_spi.h
@@ -0,0 +1,51 @@
+// Copyright 2021 Nick Brassel (@tzarc)
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#ifdef QUANTUM_PAINTER_SPI_ENABLE
+
+#    include <stdint.h>
+
+#    include "gpio.h"
+#    include "qp_internal.h"
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+// Base SPI support
+
+struct qp_comms_spi_config_t {
+    pin_t    chip_select_pin;
+    uint16_t divisor;
+    bool     lsb_first;
+    int8_t   mode;
+};
+
+bool     qp_comms_spi_init(painter_device_t device);
+bool     qp_comms_spi_start(painter_device_t device);
+uint32_t qp_comms_spi_send_data(painter_device_t device, const void* data, uint32_t byte_count);
+void     qp_comms_spi_stop(painter_device_t device);
+
+extern const struct painter_comms_vtable_t spi_comms_vtable;
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+// SPI with D/C and RST pins
+
+#    ifdef QUANTUM_PAINTER_SPI_DC_RESET_ENABLE
+
+struct qp_comms_spi_dc_reset_config_t {
+    struct qp_comms_spi_config_t spi_config;
+    pin_t                        dc_pin;
+    pin_t                        reset_pin;
+};
+
+void     qp_comms_spi_dc_reset_send_command(painter_device_t device, uint8_t cmd);
+uint32_t qp_comms_spi_dc_reset_send_data(painter_device_t device, const void* data, uint32_t byte_count);
+void     qp_comms_spi_dc_reset_bulk_command_sequence(painter_device_t device, const uint8_t* sequence, size_t sequence_len);
+
+extern const struct painter_comms_with_command_vtable_t spi_comms_with_dc_vtable;
+
+#    endif // QUANTUM_PAINTER_SPI_DC_RESET_ENABLE
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+#endif // QUANTUM_PAINTER_SPI_ENABLE