Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / staging / comedi / drivers / ni_labpc_isadma.h

diff --git a/kernel/drivers/staging/comedi/drivers/ni_labpc_isadma.h b/kernel/drivers/staging/comedi/drivers/ni_labpc_isadma.h
new file mode 100644 (file)
index 0000000..b8a1b0e
--- /dev/null
+++ b/kernel/drivers/staging/comedi/drivers/ni_labpc_isadma.h
@@ -0,0 +1,42 @@
+/*
+ * 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 */