55 files changed, 11471 insertions, 2282 deletions
diff --git a/drivers/frame_provider/decoder/utils/vdec_v4l2_buffer_ops.c b/drivers/frame_provider/decoder/utils/vdec_v4l2_buffer_ops.c
new file mode 100644
index 0000000..763d62e
--- a/dev/null
+++ b/drivers/frame_provider/decoder/utils/vdec_v4l2_buffer_ops.c
@@ -0,0 +1,131 @@
+#include <linux/file.h>
+#include <linux/anon_inodes.h>
+#include "vdec_v4l2_buffer_ops.h"
+
+const struct file_operations v4l2_file_fops = {};
+
+static int is_v4l2_buf_file(struct file *file)
+{
+	return file->f_op == &v4l2_file_fops;
+}
+
+static int vdec_v4l_alloc_fd(void)
+{
+	int fd;
+	struct file *file = NULL;
+
+	fd = get_unused_fd_flags(O_CLOEXEC);
+	if (fd < 0) {
+		pr_err("v4l: get unused fd fail\n");
+		return fd;
+	}
+
+	file = anon_inode_getfile("v4l2_meta_file", &v4l2_file_fops, NULL, 0);
+	if (IS_ERR(file)) {
+		put_unused_fd(fd);
+		pr_err("v4l: get file faill\n");
+		return PTR_ERR(file);
+	}
+
+	fd_install(fd, file);
+
+	pr_info("v4l: fd %d, file %p, data %p\n",
+		fd, file, file->private_data);
+
+	return fd;
+}
+
+static int vdec_v4l_fd_install_data(int fd, void *data)
+{
+	struct file *file;
+
+	file = fget(fd);
+
+	if (!file) {
+		pr_info("v4l: fget fd %d fail!, comm %s, pid %d\n",
+			fd, current->comm, current->pid);
+		return -EBADF;
+	}
+
+	if (!is_v4l2_buf_file(file)) {
+		pr_info("v4l: v4l2 check fd fail!\n");
+		return -EBADF;
+	}
+
+	file->private_data = data;
+
+	return 0;
+}
+
+int vdec_v4l_binding_fd_and_vf(ulong v4l_handle, void *vf)
+{
+	int ret = 0, fd = -1;
+	struct vdec_v4l2_buffer *v4l_buf =
+		(struct vdec_v4l2_buffer *) v4l_handle;
+
+	if (v4l_buf->m.vf_fd > 0)
+		return 0;
+
+	fd = vdec_v4l_alloc_fd();
+	if (fd < 0) {
+		pr_err("v4l: alloc fd fail %d.\n", fd);
+		return fd;
+	}
+
+	ret = vdec_v4l_fd_install_data(fd, vf);
+	if (ret < 0) {
+		put_unused_fd(fd);
+		pr_err("v4l: fd install data fail %d.\n", ret);
+		return ret;
+	}
+
+	v4l_buf->m.vf_fd = fd;
+
+	return 0;
+}
+EXPORT_SYMBOL(vdec_v4l_binding_fd_and_vf);
+
+int vdec_v4l_get_buffer(struct aml_vcodec_ctx *ctx,
+	struct vdec_v4l2_buffer **out)
+{
+	int ret = 0;
+
+	if (ctx->drv_handle == 0)
+		return -EIO;
+
+	ret = ctx->dec_if->get_param(ctx->drv_handle,
+		GET_PARAM_FREE_FRAME_BUFFER, out);
+
+	return ret;
+}
+EXPORT_SYMBOL(vdec_v4l_get_buffer);
+
+int vdec_v4l_set_pic_infos(struct aml_vcodec_ctx *ctx,
+	struct aml_vdec_pic_infos *info)
+{
+	int ret = 0;
+
+	if (ctx->drv_handle == 0)
+		return -EIO;
+
+	ret = ctx->dec_if->set_param(ctx->drv_handle,
+		SET_PARAM_PIC_INFO, info);
+
+	return ret;
+}
+EXPORT_SYMBOL(vdec_v4l_set_pic_infos);
+
+int vdec_v4l_write_frame_sync(struct aml_vcodec_ctx *ctx)
+{
+	int ret = 0;
+
+	if (ctx->drv_handle == 0)
+		return -EIO;
+
+	ret = ctx->dec_if->set_param(ctx->drv_handle,
+		SET_PARAM_WRITE_FRAME_SYNC, NULL);
+
+	return ret;
+}
+EXPORT_SYMBOL(vdec_v4l_write_frame_sync);
+