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-rw-r--r--sound/arm/pxa2xx-pcm.h29
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diff --git a/sound/arm/pxa2xx-pcm.h b/sound/arm/pxa2xx-pcm.h
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+/*
+ * 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.
+ */
+
+typedef struct {
+ char *name; /* stream identifier */
+ u32 dcmd; /* DMA descriptor dcmd field */
+ volatile u32 *drcmr; /* the DMA request channel to use */
+ u32 dev_addr; /* device physical address for DMA */
+} pxa2xx_pcm_dma_params_t;
+
+typedef struct {
+ pxa2xx_pcm_dma_params_t *playback_params;
+ pxa2xx_pcm_dma_params_t *capture_params;
+ int (*startup)(snd_pcm_substream_t *);
+ void (*shutdown)(snd_pcm_substream_t *);
+ int (*prepare)(snd_pcm_substream_t *);
+} pxa2xx_pcm_client_t;
+
+extern int pxa2xx_pcm_new(snd_card_t *, pxa2xx_pcm_client_t *, snd_pcm_t **);
+