Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / sound / soc / txx9 / txx9aclc.h

diff --git a/kernel/sound/soc/txx9/txx9aclc.h b/kernel/sound/soc/txx9/txx9aclc.h
new file mode 100644 (file)
index 0000000..9c2de84
--- /dev/null
+++ b/kernel/sound/soc/txx9/txx9aclc.h
@@ -0,0 +1,74 @@
+/*
+ * TXx9 SoC AC Link Controller
+ *
+ * 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 __TXX9ACLC_H
+#define __TXX9ACLC_H
+
+#include <linux/interrupt.h>
+#include <asm/txx9/dmac.h>
+
+#define ACCTLEN                        0x00    /* control enable */
+#define ACCTLDIS               0x04    /* control disable */
+#define   ACCTL_ENLINK         0x00000001      /* enable/disable AC-link */
+#define   ACCTL_AUDODMA                0x00000100      /* AUDODMA enable/disable */
+#define   ACCTL_AUDIDMA                0x00001000      /* AUDIDMA enable/disable */
+#define   ACCTL_AUDOEHLT       0x00010000      /* AUDO error halt
+                                                  enable/disable */
+#define   ACCTL_AUDIEHLT       0x00100000      /* AUDI error halt
+                                                  enable/disable */
+#define ACREGACC               0x08    /* codec register access */
+#define   ACREGACC_DAT_SHIFT   0       /* data field */
+#define   ACREGACC_REG_SHIFT   16      /* address field */
+#define   ACREGACC_CODECID_SHIFT       24      /* CODEC ID field */
+#define   ACREGACC_READ                0x80000000      /* CODEC read */
+#define   ACREGACC_WRITE       0x00000000      /* CODEC write */
+#define ACINTSTS               0x10    /* interrupt status */
+#define ACINTMSTS              0x14    /* interrupt masked status */
+#define ACINTEN                        0x18    /* interrupt enable */
+#define ACINTDIS               0x1c    /* interrupt disable */
+#define   ACINT_CODECRDY(n)    (0x00000001 << (n))     /* CODECn ready */
+#define   ACINT_REGACCRDY      0x00000010      /* ACREGACC ready */
+#define   ACINT_AUDOERR                0x00000100      /* AUDO underrun error */
+#define   ACINT_AUDIERR                0x00001000      /* AUDI overrun error */
+#define ACDMASTS               0x80    /* DMA request status */
+#define   ACDMA_AUDO           0x00000001      /* AUDODMA pending */
+#define   ACDMA_AUDI           0x00000010      /* AUDIDMA pending */
+#define ACAUDODAT              0xa0    /* audio out data */
+#define ACAUDIDAT              0xb0    /* audio in data */
+#define ACREVID                        0xfc    /* revision ID */
+
+struct txx9aclc_dmadata {
+       struct resource *dma_res;
+       struct txx9dmac_slave dma_slave;
+       struct dma_chan *dma_chan;
+       struct tasklet_struct tasklet;
+       spinlock_t dma_lock;
+       int stream; /* SNDRV_PCM_STREAM_PLAYBACK or SNDRV_PCM_STREAM_CAPTURE */
+       struct snd_pcm_substream *substream;
+       unsigned long pos;
+       dma_addr_t dma_addr;
+       unsigned long buffer_bytes;
+       unsigned long period_bytes;
+       unsigned long frag_bytes;
+       int frags;
+       int frag_count;
+       int dmacount;
+};
+
+struct txx9aclc_plat_drvdata {
+       void __iomem *base;
+       u64 physbase;
+};
+
+static inline struct txx9aclc_plat_drvdata *txx9aclc_get_plat_drvdata(
+       struct snd_soc_dai *dai)
+{
+       return dev_get_drvdata(dai->dev);
+}
+
+#endif /* __TXX9ACLC_H */