[osal]: add environment detection function

1. add software runtime detection
2. add hardware platform detection

Change-Id: I75736ae85130325029023d948e4d756e27953af8
Signed-off-by: Herman Chen <herman.chen@rock-chips.com>

osal/CMakeLists.txt

@@ -21,6 +21,8 @@ include_directories(.)
 include_directories(./allocator)
 
 add_library(osal STATIC
+    mpp_platform.cpp
+    mpp_runtime.cpp
     mpp_allocator.cpp
     mpp_thread.cpp
     mpp_common.cpp

osal/inc/mpp_platform.h

@@ -0,0 +1,57 @@
+/*
+ * Copyright 2015 Rockchip Electronics Co. LTD
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __MPP_PLATFORM__
+#define __MPP_PLATFORM__
+
+#include "rk_type.h"
+
+/*
+ * Platform flag detection is for rockchip hardware platform detection
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * Platform video codec hardware feature
+ */
+#define HAVE_VPU1               (0x00000001)
+#define HAVE_VPU2               (0x00000002)
+#define HAVE_HEVC_DEC           (0x00000010)
+#define HAVE_RKVDEC             (0x00000020)
+#define HAVE_RKVENC             (0x00000100)
+#define HAVE_H265E              (0x00010000)
+
+RK_U32 mpp_get_vcodec_hw_flag(void);
+
+/*
+ * Platform image process hardware feature
+ */
+#define HAVE_IPP                (0x00000001)
+#define HAVE_RGA                (0x00000002)
+#define HAVE_RGA2               (0x00000004)
+#define HAVE_IEP                (0x00000008)
+
+RK_U32 mpp_get_2d_hw_flag(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*__MPP_PLATFORM__*/
+

osal/inc/mpp_runtime.h

@@ -0,0 +1,45 @@
+/*
+ * Copyright 2015 Rockchip Electronics Co. LTD
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __MPP_RUNTIME__
+#define __MPP_RUNTIME__
+
+#include "mpp_common.h"
+
+/*
+ * Runtime function detection is for rockchip software platform detection
+ */
+
+typedef void *(*func_mmap64)(void* addr,size_t length, int prot, int flags,
+                             int fd, off_t offset);
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * Runtime function detection is to support different binary on different
+ * runtime environment. This is usefull on product environemnt.
+ */
+
+func_mmap64 mpp_rt_get_mmap64();
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*__MPP_RUNTIME__*/
+

osal/mpp_platform.cpp

@@ -0,0 +1,62 @@
+/*
+ * Copyright 2015 Rockchip Electronics Co. LTD
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <unistd.h>
+
+#include "mpp_platform.h"
+
+RK_U32 mpp_get_vcodec_hw_flag(void)
+{
+    RK_U32 flag = 0;
+
+#ifdef RKPLATFORM
+    /* NOTE: current only support vpu2 */
+    if (!access("/dev/vpu_service", F_OK))
+        flag |= HAVE_VPU2;
+
+    /* for rk3288 / rk3368 /rk312x hevc decoder */
+    if (!access("/dev/hevc_service", F_OK))
+        flag |= HAVE_HEVC_DEC;
+
+    /* for rk3228 / rk3229 / rk3399 decoder */
+    if (!access("/dev/rkvdec", F_OK))
+        flag |= HAVE_RKVDEC;
+
+    /* for rk1108 encoder */
+    if (!access("/dev/rkvenc", F_OK))
+        flag |= HAVE_RKVENC;
+#endif
+
+    return flag;
+}
+
+RK_U32 mpp_get_2d_hw_flag(void)
+{
+    RK_U32 flag = 0;
+
+#ifdef RKPLATFORM
+
+    if (!access("/dev/rga", F_OK))
+        flag |= HAVE_RGA;
+
+    if (!access("/dev/iep", F_OK))
+        flag |= HAVE_IEP;
+#endif
+
+    return flag;
+}
+
+

osal/mpp_runtime.cpp

@@ -0,0 +1,43 @@
+/*
+ * Copyright 2015 Rockchip Electronics Co. LTD
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifdef RKPLATFORM
+#include <dlfcn.h>
+#endif
+
+#include "mpp_runtime.h"
+
+static func_mmap64 mpp_rt_mmap64 = NULL;
+
+func_mmap64 mpp_rt_get_mmap64()
+{
+#ifdef RKPLATFORM
+    static RK_U32 once = 1;
+
+    if (once) {
+        void *libc_hdl = dlopen("libc", RTLD_LAZY);
+        if (libc_hdl) {
+            mpp_rt_mmap64 = (func_mmap64)dlsym(libc_hdl, "mmap64");
+            dlclose(libc_hdl);
+        }
+
+        once = 0;
+    }
+#endif
+
+    return mpp_rt_mmap64;
+}
+