1 files changed, 175 insertions, 0 deletions

diff --git a/lib/chibios-contrib/ext/mcux-sdk/devices/MIMX8UX6/scfw_api/main/rpc.h b/lib/chibios-contrib/ext/mcux-sdk/devices/MIMX8UX6/scfw_api/main/rpc.h
new file mode 100644
index 000000000..469a6991c
--- /dev/null
+++ b/lib/chibios-contrib/ext/mcux-sdk/devices/MIMX8UX6/scfw_api/main/rpc.h
@@ -0,0 +1,175 @@
+/*
+ * Copyright (c) 2016, Freescale Semiconductor, Inc.
+ * Copyright 2017-2019 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * o Redistributions of source code must retain the above copyright notice, this list
+ *   of conditions and the following disclaimer.
+ *
+ * o Redistributions in binary form must reproduce the above copyright notice, this
+ *   list of conditions and the following disclaimer in the documentation and/or
+ *   other materials provided with the distribution.
+ *
+ * o Neither the name of the copyright holder nor the names of its
+ *   contributors may be used to endorse or promote products derived from this
+ *   software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*!
+ * Header file for the RPC implementation.
+ */
+
+#ifndef SC_RPC_H
+#define SC_RPC_H
+
+/* Includes */
+
+#include "main/types.h"
+#include "main/ipc.h"
+
+/* Defines */
+
+#define SCFW_API_VERSION_MAJOR  1U
+#define SCFW_API_VERSION_MINOR  16U
+
+#define SC_RPC_VERSION          1U
+
+#define SC_RPC_MAX_MSG          8U
+
+#define RPC_VER(MESG)           ((MESG)->version)
+#define RPC_SIZE(MESG)          ((MESG)->size)
+#define RPC_SVC(MESG)           ((MESG)->svc)
+#define RPC_FUNC(MESG)          ((MESG)->func)
+#define RPC_R8(MESG)            ((MESG)->func)
+#define RPC_I64(MESG, IDX)      ((I64(RPC_U32((MESG), (IDX))) << 32ULL) \
+                                    | I64(RPC_U32((MESG), (IDX) + 4U)))
+#define RPC_I32(MESG, IDX)      ((MESG)->DATA.i32[(IDX) / 4U])
+#define RPC_I16(MESG, IDX)      ((MESG)->DATA.i16[(IDX) / 2U])
+#define RPC_I8(MESG, IDX)       ((MESG)->DATA.i8[(IDX)])
+#define RPC_U64(MESG, IDX)      ((U64(RPC_U32((MESG), (IDX))) << 32ULL) \
+                                    | U64(RPC_U32((MESG), (IDX) + 4U)))
+#define RPC_U32(MESG, IDX)      ((MESG)->DATA.u32[(IDX) / 4U])
+#define RPC_U16(MESG, IDX)      ((MESG)->DATA.u16[(IDX) / 2U])
+#define RPC_U8(MESG, IDX)       ((MESG)->DATA.u8[(IDX)])
+
+#define SC_RPC_SVC_UNKNOWN      0U
+#define SC_RPC_SVC_RETURN       1U
+#define SC_RPC_SVC_PM           2U
+#define SC_RPC_SVC_RM           3U
+#define SC_RPC_SVC_TIMER        5U
+#define SC_RPC_SVC_PAD          6U
+#define SC_RPC_SVC_MISC         7U
+#define SC_RPC_SVC_IRQ          8U
+#define SC_RPC_SVC_SECO         9U
+#define SC_RPC_SVC_ABORT        10U
+
+#define SC_RPC_ASYNC_STATE_RD_START      0U
+#define SC_RPC_ASYNC_STATE_RD_ACTIVE     1U
+#define SC_RPC_ASYNC_STATE_RD_DONE       2U
+#define SC_RPC_ASYNC_STATE_WR_START      3U
+#define SC_RPC_ASYNC_STATE_WR_ACTIVE     4U
+#define SC_RPC_ASYNC_STATE_WR_DONE       5U
+
+/* SC -> Client general-purpose MU IRQs */
+#define SC_RPC_MU_GIR_SVC       0x1U
+#define SC_RPC_MU_GIR_WAKE      0x2U
+#define SC_RPC_MU_GIR_BOOT      0x4U
+#define SC_RPC_MU_GIR_DBG       0x8U
+
+/* Client -> SC general-purpose MU IRQs */
+#define SC_RPC_MU_GIR_RST       0x1U
+
+#define I8(X)       ((int8_t) (X))
+#define I16(X)      ((int16_t) (X))
+#define I32(X)      ((int32_t) (X))
+#define I64(X)      ((int64_t) (X))
+#define U8(X)       ((uint8_t) (X))
+#define U16(X)      ((uint16_t) (X))
+#define U32(X)      ((uint32_t) (X))
+#define U64(X)      ((uint64_t) (X))
+
+#define PTR_I8(X)   ((int8_t*) (X))
+#define PTR_I16(X)  ((int16_t*) (X))
+#define PTR_I32(X)  ((int32_t*) (X))
+#define PTR_I64(X)  ((int64_t*) (X))
+#define PTR_U8(X)   ((uint8_t*) (X))
+#define PTR_U16(X)  ((uint16_t*) (X))
+#define PTR_U32(X)  ((uint32_t*) (X))
+#define PTR_U64(X)  ((uint64_t*) (X))
+
+#define U2B(X)      (((X) != 0U) ? SC_TRUE : SC_FALSE)
+#define U2B32(X)    (((X) != 0UL) ? SC_TRUE : SC_FALSE)
+#define B2U8(X)     (((X) != SC_FALSE) ? U8(0x01U) : U8(0x00U))
+#define B2U16(X)    (((X) != SC_FALSE) ? U16(0x01U) : U16(0x00U))
+#define B2U32(X)    (((X) != SC_FALSE) ? U32(0x01U) : U32(0x00U))
+
+/* Types */
+
+typedef uint8_t sc_rpc_svc_t;
+
+typedef struct
+{
+    union
+    {
+        uint32_t header;
+        struct
+        {
+            uint8_t version;
+            uint8_t size;
+            uint8_t svc;
+            uint8_t func;
+        };
+    };
+    union
+    {
+        int32_t i32[(SC_RPC_MAX_MSG - 1U)];
+        int16_t i16[(SC_RPC_MAX_MSG - 1U) * 2U];
+        int8_t i8[(SC_RPC_MAX_MSG - 1U) * 4U];
+        uint32_t u32[(SC_RPC_MAX_MSG - 1U)];
+        uint16_t u16[(SC_RPC_MAX_MSG - 1U) * 2U];
+        uint8_t u8[(SC_RPC_MAX_MSG - 1U) * 4U];
+    } DATA;
+} sc_rpc_msg_t;
+
+typedef uint8_t sc_rpc_async_state_t;
+
+typedef struct
+{
+    sc_rpc_async_state_t state;
+    uint8_t wordIdx;
+    sc_rpc_msg_t msg;
+    uint32_t timeStamp;
+} sc_rpc_async_msg_t;
+
+/* Functions */
+
+/*!
+ * This is an internal function to send an RPC message over an IPC
+ * channel. It is called by client-side SCFW API function shims.
+ *
+ * @param[in]     ipc         IPC handle
+ * @param[in,out] msg         handle to a message
+ * @param[in]     no_resp     response flag
+ *
+ * If \a no_resp is SC_FALSE then this function waits for a response
+ * and returns the result in \a msg.
+ */
+void sc_call_rpc(sc_ipc_t ipc, sc_rpc_msg_t *msg, sc_bool_t no_resp);
+
+#endif /* SC_RPC_H */
+