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From 2f82ec644f10e2aefa9f80ee3909ba06466752e6 Mon Sep 17 00:00:00 2001
From: Song Bing <bing.song@nxp.com>
Date: Wed, 13 Sep 2017 13:39:53 +0800
Subject: [PATCH 3/3] ionmemory: support get phys memory
Upstream Status: Pending
https://bugzilla.gnome.org/show_bug.cgi?id=768794
---
gst-libs/gst/allocators/gstionmemory.c | 54 ++++++++++++++++++++++++++++++++--
1 file changed, 52 insertions(+), 2 deletions(-)
diff --git a/gst-libs/gst/allocators/gstionmemory.c b/gst-libs/gst/allocators/gstionmemory.c
index bfe13ad..fad53db 100755
--- a/gst-libs/gst/allocators/gstionmemory.c
+++ b/gst-libs/gst/allocators/gstionmemory.c
@@ -29,6 +29,7 @@
#include <linux/ion.h>
#include <gst/allocators/gstdmabuf.h>
+#include "gstphysmemory.h"
#include "gstionmemory.h"
GST_DEBUG_CATEGORY_STATIC (ion_allocator_debug);
@@ -36,8 +37,6 @@ GST_DEBUG_CATEGORY_STATIC (ion_allocator_debug);
#define gst_ion_allocator_parent_class parent_class
-G_DEFINE_TYPE (GstIONAllocator, gst_ion_allocator, GST_TYPE_DMABUF_ALLOCATOR)
-
#define DEFAULT_HEAP_ID 0
#define DEFAULT_FLAG 0
@@ -49,6 +48,57 @@ enum
PROP_LAST
};
+static guintptr
+gst_ion_allocator_get_phys_addr (GstPhysMemoryAllocator *allocator, GstMemory *mem)
+{
+ GstIONAllocator *self = GST_ION_ALLOCATOR (allocator);
+ gint ret, fd;
+
+ if (self->fd < 0 || !mem) {
+ GST_ERROR ("ion get phys param wrong");
+ return 0;
+ }
+
+ if (!gst_is_dmabuf_memory (mem)) {
+ GST_ERROR ("isn't dmabuf memory");
+ return 0;
+ }
+
+ fd = gst_dmabuf_memory_get_fd (mem);
+ if (fd < 0) {
+ GST_ERROR ("dmabuf memory get fd failed");
+ return 0;
+ }
+
+ GST_DEBUG ("ion DMA FD: %d", fd);
+
+ struct ion_phys_dma_data data = {
+ .phys = 0,
+ .size = 0,
+ .dmafd = fd,
+ };
+
+ struct ion_custom_data custom = {
+ .cmd = ION_IOC_PHYS_DMA,
+ .arg = (unsigned long)&data,
+ };
+
+ ret = ioctl(self->fd, ION_IOC_CUSTOM, &custom);
+ if (ret < 0)
+ return 0;
+
+ return data.phys;
+}
+
+static void gst_ion_allocator_iface_init(gpointer g_iface)
+{
+ GstPhysMemoryAllocatorInterface *iface = g_iface;
+ iface->get_phys_addr = gst_ion_allocator_get_phys_addr;
+}
+
+G_DEFINE_TYPE_WITH_CODE (GstIONAllocator, gst_ion_allocator, GST_TYPE_DMABUF_ALLOCATOR,
+ G_IMPLEMENT_INTERFACE(GST_TYPE_PHYS_MEMORY_ALLOCATOR, gst_ion_allocator_iface_init));
+
static gint
gst_ion_ioctl (gint fd, gint req, void *arg)
{
--
2.7.4
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