Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / sound / arm / pxa2xx-pcm.h

diff --git a/kernel/sound/arm/pxa2xx-pcm.h b/kernel/sound/arm/pxa2xx-pcm.h
new file mode 100644 (file)
index 0000000..0033098
--- /dev/null
+++ b/kernel/sound/arm/pxa2xx-pcm.h
@@ -0,0 +1,29 @@
+/*
+ * linux/sound/arm/pxa2xx-pcm.h -- ALSA PCM interface for the Intel PXA2xx chip
+ *
+ * Author:     Nicolas Pitre
+ * Created:    Nov 30, 2004
+ * Copyright:  MontaVista Software, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+struct pxa2xx_runtime_data {
+       int dma_ch;
+       struct snd_dmaengine_dai_dma_data *params;
+       struct pxa_dma_desc *dma_desc_array;
+       dma_addr_t dma_desc_array_phys;
+};
+
+struct pxa2xx_pcm_client {
+       struct snd_dmaengine_dai_dma_data *playback_params;
+       struct snd_dmaengine_dai_dma_data *capture_params;
+       int (*startup)(struct snd_pcm_substream *);
+       void (*shutdown)(struct snd_pcm_substream *);
+       int (*prepare)(struct snd_pcm_substream *);
+};
+
+extern int pxa2xx_pcm_new(struct snd_card *, struct pxa2xx_pcm_client *, struct snd_pcm **);
+