1 files changed, 70 insertions, 0 deletions

diff --git a/lib/chibios-contrib/ext/mcux-sdk/components/video/display/dbi/fsl_dbi.h b/lib/chibios-contrib/ext/mcux-sdk/components/video/display/dbi/fsl_dbi.h
new file mode 100644
index 000000000..549e2ffaa
--- /dev/null
+++ b/lib/chibios-contrib/ext/mcux-sdk/components/video/display/dbi/fsl_dbi.h
@@ -0,0 +1,70 @@
+/*
+ * Copyright 2019 NXP
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef _FSL_DBI_H_
+#define _FSL_DBI_H_
+
+#include "fsl_common.h"
+
+/*!
+ * @addtogroup dbi
+ * @{
+ */
+
+/*******************************************************************************
+ * Definitions
+ ******************************************************************************/
+/*!
+ * @brief Callback function when the writeMemory or readMemory finished.
+ *
+ * If transfer done successfully, the @p status is kStatus_Success.
+ */
+typedef void (*dbi_mem_done_callback_t)(status_t status, void *userData);
+
+/*!
+ * @brief DBI interface (MCU LCD) transfer operation.
+ *
+ * The API @ref writeCommand and @ref writeData are blocking method, they returns
+ * only when transfer finished. They are usually used to transfer small data, for
+ * example, sending the cofigurations.
+ *
+ * The API @ref writeMemory and @ref readMemory are non-blocking method, they are
+ * used to write or read the LCD contoller video memory. These APIs start transfer
+ * and return directly, upper layer could be notified by callback when transfer
+ * done. The callback function is set by @ref setMemoryDoneCallback.
+ */
+typedef struct _dbi_xfer_ops
+{
+    status_t (*writeCommand)(void *dbiXferHandle, uint32_t command);           /*!< Write command. */
+    status_t (*writeData)(void *dbiXferHandle, void *data, uint32_t len_byte); /*!< Write data. */
+    status_t (*writeMemory)(void *dbiXferHandle,
+                            uint32_t command,
+                            const void *data,
+                            uint32_t len_byte); /*!< Write to the memory. */
+    status_t (*readMemory)(void *dbiXferHandle,
+                           uint32_t command,
+                           void *data,
+                           uint32_t len_byte); /*!< Read from the memory. */
+    void (*setMemoryDoneCallback)(void *dbiXferHandle,
+                                  dbi_mem_done_callback_t callback,
+                                  void *userData); /*!< Set the memory access done callback. */
+} dbi_xfer_ops_t;
+
+/*******************************************************************************
+ * API
+ ******************************************************************************/
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+#if defined(__cplusplus)
+}
+#endif
+
+/*! @} */
+
+#endif /* _FSL_DBI_H_ */