libqtest: Prepare I2C libqos

This adds a simple I2C API and a driver implementation for omap_i2c.

Signed-off-by: Andreas Färber <andreas.faerber@web.de>
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

1 files changed, 30 insertions, 0 deletions

diff --git a/tests/libi2c.h b/tests/libi2c.h
new file mode 100644
index 0000000..1ce9af4
--- /dev/null
+++ b/tests/libi2c.h
@@ -0,0 +1,30 @@
+/*
+ * I2C libqos
+ *
+ * Copyright (c) 2012 Andreas Färber
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+#ifndef LIBQOS_I2C_H
+#define LIBQOS_I2C_H
+
+#include <stdint.h>
+
+typedef struct I2CAdapter I2CAdapter;
+struct I2CAdapter {
+    void (*send)(I2CAdapter *adapter, uint8_t addr,
+                 const uint8_t *buf, uint16_t len);
+    void (*recv)(I2CAdapter *adapter, uint8_t addr,
+                 uint8_t *buf, uint16_t len);
+};
+
+void i2c_send(I2CAdapter *i2c, uint8_t addr,
+              const uint8_t *buf, uint16_t len);
+void i2c_recv(I2CAdapter *i2c, uint8_t addr,
+              uint8_t *buf, uint16_t len);
+
+/* libi2c-omap.c */
+I2CAdapter *omap_i2c_create(uint64_t addr);
+
+#endif