summaryrefslogtreecommitdiff
path: root/sound/soc/davinci/davinci-mcasp.h
diff options
context:
space:
mode:
Diffstat (limited to 'sound/soc/davinci/davinci-mcasp.h')
-rw-r--r--sound/soc/davinci/davinci-mcasp.h60
1 files changed, 60 insertions, 0 deletions
diff --git a/sound/soc/davinci/davinci-mcasp.h b/sound/soc/davinci/davinci-mcasp.h
new file mode 100644
index 000000000000..554354c1cc2f
--- /dev/null
+++ b/sound/soc/davinci/davinci-mcasp.h
@@ -0,0 +1,60 @@
+/*
+ * ALSA SoC McASP Audio Layer for TI DAVINCI processor
+ *
+ * MCASP related definitions
+ *
+ * Author: Nirmal Pandey <n-pandey@ti.com>,
+ * Suresh Rajashekara <suresh.r@ti.com>
+ * Steve Chen <schen@.mvista.com>
+ *
+ * Copyright: (C) 2009 MontaVista Software, Inc., <source@mvista.com>
+ * Copyright: (C) 2009 Texas Instruments, India
+ *
+ * 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.
+ */
+
+#ifndef DAVINCI_MCASP_H
+#define DAVINCI_MCASP_H
+
+#include <linux/io.h>
+#include <mach/asp.h>
+#include "davinci-pcm.h"
+
+extern struct snd_soc_dai davinci_mcasp_dai[];
+
+#define DAVINCI_MCASP_RATES SNDRV_PCM_RATE_8000_96000
+#define DAVINCI_MCASP_I2S_DAI 0
+#define DAVINCI_MCASP_DIT_DAI 1
+
+enum {
+ DAVINCI_AUDIO_WORD_8 = 0,
+ DAVINCI_AUDIO_WORD_12,
+ DAVINCI_AUDIO_WORD_16,
+ DAVINCI_AUDIO_WORD_20,
+ DAVINCI_AUDIO_WORD_24,
+ DAVINCI_AUDIO_WORD_32,
+ DAVINCI_AUDIO_WORD_28, /* This is only valid for McASP */
+};
+
+struct davinci_audio_dev {
+ void __iomem *base;
+ int sample_rate;
+ struct clk *clk;
+ struct davinci_pcm_dma_params *dma_params[2];
+ unsigned int codec_fmt;
+
+ /* McASP specific data */
+ int tdm_slots;
+ u8 op_mode;
+ u8 num_serializer;
+ u8 *serial_dir;
+ u8 version;
+
+ /* McASP FIFO related */
+ u8 txnumevt;
+ u8 rxnumevt;
+};
+
+#endif /* DAVINCI_MCASP_H */