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-rw-r--r--sound/soc/nuc900/nuc900-audio.h117
1 files changed, 117 insertions, 0 deletions
diff --git a/sound/soc/nuc900/nuc900-audio.h b/sound/soc/nuc900/nuc900-audio.h
new file mode 100644
index 000000000000..3038f519729f
--- /dev/null
+++ b/sound/soc/nuc900/nuc900-audio.h
@@ -0,0 +1,117 @@
+/*
+ * Copyright (c) 2010 Nuvoton technology corporation.
+ *
+ * Wan ZongShun <mcuos.com@gmail.com>
+ *
+ * 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;version 2 of the License.
+ *
+ */
+
+#ifndef _NUC900_AUDIO_H
+#define _NUC900_AUDIO_H
+
+#include <linux/io.h>
+
+/* Audio Control Registers */
+#define ACTL_CON 0x00
+#define ACTL_RESET 0x04
+#define ACTL_RDSTB 0x08
+#define ACTL_RDST_LENGTH 0x0C
+#define ACTL_RDSTC 0x10
+#define ACTL_RSR 0x14
+#define ACTL_PDSTB 0x18
+#define ACTL_PDST_LENGTH 0x1C
+#define ACTL_PDSTC 0x20
+#define ACTL_PSR 0x24
+#define ACTL_IISCON 0x28
+#define ACTL_ACCON 0x2C
+#define ACTL_ACOS0 0x30
+#define ACTL_ACOS1 0x34
+#define ACTL_ACOS2 0x38
+#define ACTL_ACIS0 0x3C
+#define ACTL_ACIS1 0x40
+#define ACTL_ACIS2 0x44
+#define ACTL_COUNTER 0x48
+
+/* bit definition of REG_ACTL_CON register */
+#define R_DMA_IRQ 0x1000
+#define T_DMA_IRQ 0x0800
+#define IIS_AC_PIN_SEL 0x0100
+#define FIFO_TH 0x0080
+#define ADC_EN 0x0010
+#define M80_EN 0x0008
+#define ACLINK_EN 0x0004
+#define IIS_EN 0x0002
+
+/* bit definition of REG_ACTL_RESET register */
+#define W5691_PLAY 0x20000
+#define ACTL_RESET_BIT 0x10000
+#define RECORD_RIGHT_CHNNEL 0x08000
+#define RECORD_LEFT_CHNNEL 0x04000
+#define PLAY_RIGHT_CHNNEL 0x02000
+#define PLAY_LEFT_CHNNEL 0x01000
+#define DAC_PLAY 0x00800
+#define ADC_RECORD 0x00400
+#define M80_PLAY 0x00200
+#define AC_RECORD 0x00100
+#define AC_PLAY 0x00080
+#define IIS_RECORD 0x00040
+#define IIS_PLAY 0x00020
+#define DAC_RESET 0x00010
+#define ADC_RESET 0x00008
+#define M80_RESET 0x00004
+#define AC_RESET 0x00002
+#define IIS_RESET 0x00001
+
+/* bit definition of REG_ACTL_ACCON register */
+#define AC_BCLK_PU_EN 0x20
+#define AC_R_FINISH 0x10
+#define AC_W_FINISH 0x08
+#define AC_W_RES 0x04
+#define AC_C_RES 0x02
+
+/* bit definition of ACTL_RSR register */
+#define R_FIFO_EMPTY 0x04
+#define R_DMA_END_IRQ 0x02
+#define R_DMA_MIDDLE_IRQ 0x01
+
+/* bit definition of ACTL_PSR register */
+#define P_FIFO_EMPTY 0x04
+#define P_DMA_END_IRQ 0x02
+#define P_DMA_MIDDLE_IRQ 0x01
+
+/* bit definition of ACTL_ACOS0 register */
+#define SLOT1_VALID 0x01
+#define SLOT2_VALID 0x02
+#define SLOT3_VALID 0x04
+#define SLOT4_VALID 0x08
+#define VALID_FRAME 0x10
+
+/* bit definition of ACTL_ACOS1 register */
+#define R_WB 0x80
+
+#define CODEC_READY 0x10
+#define RESET_PRSR 0x00
+#define AUDIO_WRITE(addr, val) __raw_writel(val, addr)
+#define AUDIO_READ(addr) __raw_readl(addr)
+
+struct nuc900_audio {
+ void __iomem *mmio;
+ spinlock_t lock;
+ dma_addr_t dma_addr[2];
+ unsigned long buffersize[2];
+ unsigned long irq_num;
+ struct snd_pcm_substream *substream;
+ struct resource *res;
+ struct clk *clk;
+ struct device *dev;
+
+};
+
+extern struct nuc900_audio *nuc900_ac97_data;
+extern struct snd_soc_dai nuc900_ac97_dai;
+extern struct snd_soc_platform nuc900_soc_platform;
+
+#endif /*end _NUC900_AUDIO_H */