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Diffstat (limited to 'sound/soc/wmt/wmt-pcm.h')
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diff --git a/sound/soc/wmt/wmt-pcm.h b/sound/soc/wmt/wmt-pcm.h
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+/*++
+ * linux/sound/soc/wmt/wmt-pcm.h
+ * WonderMedia audio driver for ALSA
+ *
+ * Copyright c 2010 WonderMedia Technologies, Inc.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * WonderMedia Technologies, Inc.
+ * 4F, 533, Chung-Cheng Road, Hsin-Tien, Taipei 231, R.O.C
+--*/
+
+
+#ifndef __WMT_PCM_H__
+#define __WMT_PCM_H__
+
+struct wmt_pcm_dma_data {
+ char *name; /* stream identifier */
+ int dma_req; /* DMA request line */
+ unsigned long port_addr; /* transmit/receive register */
+ struct dma_device_cfg_s *dma_cfg;
+};
+
+typedef struct WFDStrmInfo {
+ unsigned int req_sz;
+ unsigned int avail_sz;
+ unsigned int buf_offset;
+} WFDStrmInfo_t;
+
+extern void wmt_pcm_wfd_start(void);
+extern unsigned int wmt_pcm_wfd_get_buf(void);
+extern void wmt_pcm_wfd_stop(void);
+extern int wmt_pcm_wfd_get_strm(WFDStrmInfo_t *info);
+
+#endif