1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/comedi/drivers/ni_labpc_isadma.h b/drivers/comedi/drivers/ni_labpc_isadma.h
new file mode 100644
index 000000000000..f06f9353cb6c
--- /dev/null
+++ b/drivers/comedi/drivers/ni_labpc_isadma.h
@@ -0,0 +1,43 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * ni_labpc ISA DMA support.
+ */
+
+#ifndef _NI_LABPC_ISADMA_H
+#define _NI_LABPC_ISADMA_H
+
+#if IS_ENABLED(CONFIG_COMEDI_NI_LABPC_ISADMA)
+
+void labpc_init_dma_chan(struct comedi_device *dev, unsigned int dma_chan);
+void labpc_free_dma_chan(struct comedi_device *dev);
+void labpc_setup_dma(struct comedi_device *dev, struct comedi_subdevice *s);
+void labpc_drain_dma(struct comedi_device *dev);
+void labpc_handle_dma_status(struct comedi_device *dev);
+
+#else
+
+static inline void labpc_init_dma_chan(struct comedi_device *dev,
+				       unsigned int dma_chan)
+{
+}
+
+static inline void labpc_free_dma_chan(struct comedi_device *dev)
+{
+}
+
+static inline void labpc_setup_dma(struct comedi_device *dev,
+				   struct comedi_subdevice *s)
+{
+}
+
+static inline void labpc_drain_dma(struct comedi_device *dev)
+{
+}
+
+static inline void labpc_handle_dma_status(struct comedi_device *dev)
+{
+}
+
+#endif
+
+#endif /* _NI_LABPC_ISADMA_H */