1 files changed, 56 insertions, 0 deletions
diff --git a/drivers/net/can/spi/mcp25xxfd/mcp25xxfd_can.h b/drivers/net/can/spi/mcp25xxfd/mcp25xxfd_can.h
new file mode 100644
index 000000000000..6fca746d2dd5
--- /dev/null
+++ b/drivers/net/can/spi/mcp25xxfd/mcp25xxfd_can.h
@@ -0,0 +1,56 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+/* CAN bus driver for Microchip 25XXFD CAN Controller with SPI Interface
+ *
+ * Copyright 2019 Martin Sperl <kernel@martin.sperl.org>
+ */
+
+#ifndef __MCP25XXFD_CAN_H
+#define __MCP25XXFD_CAN_H
+
+#include "mcp25xxfd_can_debugfs.h"
+#include "mcp25xxfd_can_priv.h"
+#include "mcp25xxfd_priv.h"
+#include "mcp25xxfd_regs.h"
+
+/* get the optimal controller target mode */
+static inline
+int mcp25xxfd_can_targetmode(struct mcp25xxfd_can_priv *cpriv)
+{
+	return (cpriv->can.dev->mtu == CAN_MTU) ?
+		MCP25XXFD_CAN_CON_MODE_CAN2_0 : MCP25XXFD_CAN_CON_MODE_MIXED;
+}
+
+static inline
+void mcp25xxfd_can_queue_frame(struct mcp25xxfd_can_priv *cpriv,
+			       s32 fifo, u32 ts, bool is_rx)
+{
+	int idx = cpriv->fifos.submit_queue_count;
+
+	cpriv->fifos.submit_queue[idx].fifo = fifo;
+	cpriv->fifos.submit_queue[idx].ts = ts;
+	cpriv->fifos.submit_queue[idx].is_rx = is_rx;
+
+	cpriv->fifos.submit_queue_count++;
+}
+
+/* get the current controller mode */
+int mcp25xxfd_can_get_mode(struct mcp25xxfd_priv *priv, u32 *reg);
+
+/* to put us to sleep fully we need the CAN controller to enter sleep mode */
+int mcp25xxfd_can_sleep_mode(struct mcp25xxfd_priv *priv);
+
+/* switch controller mode */
+int mcp25xxfd_can_switch_mode_no_wait(struct mcp25xxfd_priv *priv,
+				      u32 *reg, int mode);
+int mcp25xxfd_can_switch_mode(struct mcp25xxfd_priv *priv,
+			      u32 *reg, int mode);
+
+/* probe the can controller */
+int mcp25xxfd_can_probe(struct mcp25xxfd_priv *priv);
+
+/* setup and the can controller net interface */
+int mcp25xxfd_can_setup(struct mcp25xxfd_priv *priv);
+void mcp25xxfd_can_remove(struct mcp25xxfd_priv *priv);
+
+#endif /* __MCP25XXFD_CAN_H */