1 files changed, 76 insertions, 0 deletions
diff --git a/sgx/services4/v4l2-gfx/gfx_bc.h b/sgx/services4/v4l2-gfx/gfx_bc.h
new file mode 100644
index 0000000..4c2d9d8
--- /dev/null
+++ b/sgx/services4/v4l2-gfx/gfx_bc.h
@@ -0,0 +1,76 @@
+/**********************************************************************
+ *
+ * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2. This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ *
+ ******************************************************************************/
+
+#ifndef __V4L2_GFX_BC_H__
+#define __V4L2_GFX_BC_H__
+
+#include <media/v4l2-dev.h>
+
+struct bc_buf_params_common {
+	int count;	/*number of buffers */
+	int width;	/*buffer width in pixel, multiple of 32 */
+	int height;	/*buffer height in pixel  */
+	u32 pixel_fmt;	/* V4L2 buffer pixel format */
+	int stride;
+	int size;
+};
+
+struct bc_buf_params {
+	int count;	/*number of buffers (in) */
+	int width;	/*buffer width in pixel, multiple of 32 (in) */
+	int height;	/*buffer height in pixel (in) */
+	u32 pixel_fmt;	/* V4L2 buffer pixel format (in) */
+	int stride;	/*(out) */
+	int size;	/*(out */
+};
+
+struct bc_buf_params2 {
+	int count;	/*number of buffers (in) */
+	int width;	/*buffer width in pixel, multiple of 32 (in) */
+	int height;	/*buffer height in pixel (in) */
+	u32 pixel_fmt;	/* V4L2 buffer pixel format (in) */
+	int stride;	/*(in) */
+	int size;	/*(out */
+};
+extern int bc_init(int idx);
+extern void bc_cleanup(int idx);
+
+/* bc_setup
+ *
+ * This API will validate the buffer parameters in order to setup a
+ * buffer class device. Buffers should be added with subsequent calls to
+ * bc_setup_buffer()
+ */
+extern int bc_setup(int idx, struct bc_buf_params2 *p);
+
+/* bc_setup_buffer
+ *
+ * Only called after a successful bc_setup(), add a physical buffer reference
+ * to this device
+ */
+extern int bc_setup_buffer(int idx, struct bc_buf_params2 *p,
+			unsigned long *paddr);
+
+/* bc_setup_complete
+ *
+ * Called after all physical buffers have been added to the device
+ */
+extern int bc_setup_complete(int idx, struct bc_buf_params2 *p);
+
+/* bc_sync_status
+ *
+ * Return the synchronization status of this devices buffer
+ *
+ * Return values:
+ * 0	SGX still has pending operations on the buffer
+ * 1	SGX done with the buffer
+ */
+extern int bc_sync_status(int idx, int bufidx);
+#endif