1 files changed, 134 insertions, 0 deletions

diff --git a/sound/soc/mxs/mxs-saif.h b/sound/soc/mxs/mxs-saif.h
new file mode 100644
index 000000000000..12c91e4eb941
--- /dev/null
+++ b/sound/soc/mxs/mxs-saif.h
@@ -0,0 +1,134 @@
+/*
+ * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * 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, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+
+#ifndef _MXS_SAIF_H
+#define _MXS_SAIF_H
+
+#define SAIF_CTRL       0x0
+#define SAIF_STAT       0x10
+#define SAIF_DATA       0x20
+#define SAIF_VERSION    0X30
+
+/* SAIF_CTRL */
+#define BM_SAIF_CTRL_SFTRST             0x80000000
+#define BM_SAIF_CTRL_CLKGATE            0x40000000
+#define BP_SAIF_CTRL_BITCLK_MULT_RATE   27
+#define BM_SAIF_CTRL_BITCLK_MULT_RATE   0x38000000
+#define BF_SAIF_CTRL_BITCLK_MULT_RATE(v) \
+                (((v) << 27) & BM_SAIF_CTRL_BITCLK_MULT_RATE)
+#define BM_SAIF_CTRL_BITCLK_BASE_RATE   0x04000000
+#define BM_SAIF_CTRL_FIFO_ERROR_IRQ_EN  0x02000000
+#define BM_SAIF_CTRL_FIFO_SERVICE_IRQ_EN        0x01000000
+#define BP_SAIF_CTRL_RSRVD2             21
+#define BM_SAIF_CTRL_RSRVD2             0x00E00000
+
+#define BP_SAIF_CTRL_DMAWAIT_COUNT      16
+#define BM_SAIF_CTRL_DMAWAIT_COUNT      0x001F0000
+#define BF_SAIF_CTRL_DMAWAIT_COUNT(v) \
+                (((v) << 16) & BM_SAIF_CTRL_DMAWAIT_COUNT)
+#define BP_SAIF_CTRL_CHANNEL_NUM_SELECT 14
+#define BM_SAIF_CTRL_CHANNEL_NUM_SELECT 0x0000C000
+#define BF_SAIF_CTRL_CHANNEL_NUM_SELECT(v) \
+                (((v) << 14) & BM_SAIF_CTRL_CHANNEL_NUM_SELECT)
+#define BM_SAIF_CTRL_LRCLK_PULSE        0x00002000
+#define BM_SAIF_CTRL_BIT_ORDER          0x00001000
+#define BM_SAIF_CTRL_DELAY              0x00000800
+#define BM_SAIF_CTRL_JUSTIFY            0x00000400
+#define BM_SAIF_CTRL_LRCLK_POLARITY     0x00000200
+#define BM_SAIF_CTRL_BITCLK_EDGE        0x00000100
+#define BP_SAIF_CTRL_WORD_LENGTH        4
+#define BM_SAIF_CTRL_WORD_LENGTH        0x000000F0
+#define BF_SAIF_CTRL_WORD_LENGTH(v) \
+                (((v) << 4) & BM_SAIF_CTRL_WORD_LENGTH)
+#define BM_SAIF_CTRL_BITCLK_48XFS_ENABLE        0x00000008
+#define BM_SAIF_CTRL_SLAVE_MODE         0x00000004
+#define BM_SAIF_CTRL_READ_MODE          0x00000002
+#define BM_SAIF_CTRL_RUN                0x00000001
+
+/* SAIF_STAT */
+#define BM_SAIF_STAT_PRESENT            0x80000000
+#define BP_SAIF_STAT_RSRVD2             17
+#define BM_SAIF_STAT_RSRVD2             0x7FFE0000
+#define BF_SAIF_STAT_RSRVD2(v) \
+                (((v) << 17) & BM_SAIF_STAT_RSRVD2)
+#define BM_SAIF_STAT_DMA_PREQ           0x00010000
+#define BP_SAIF_STAT_RSRVD1             7
+#define BM_SAIF_STAT_RSRVD1             0x0000FF80
+#define BF_SAIF_STAT_RSRVD1(v) \
+                (((v) << 7) & BM_SAIF_STAT_RSRVD1)
+
+#define BM_SAIF_STAT_FIFO_UNDERFLOW_IRQ 0x00000040
+#define BM_SAIF_STAT_FIFO_OVERFLOW_IRQ  0x00000020
+#define BM_SAIF_STAT_FIFO_SERVICE_IRQ   0x00000010
+#define BP_SAIF_STAT_RSRVD0             1
+#define BM_SAIF_STAT_RSRVD0             0x0000000E
+#define BF_SAIF_STAT_RSRVD0(v) \
+                (((v) << 1) & BM_SAIF_STAT_RSRVD0)
+#define BM_SAIF_STAT_BUSY               0x00000001
+
+/* SAFI_DATA */
+#define BP_SAIF_DATA_PCM_RIGHT          16
+#define BM_SAIF_DATA_PCM_RIGHT          0xFFFF0000
+#define BF_SAIF_DATA_PCM_RIGHT(v) \
+                (((v) << 16) & BM_SAIF_DATA_PCM_RIGHT)
+#define BP_SAIF_DATA_PCM_LEFT           0
+#define BM_SAIF_DATA_PCM_LEFT           0x0000FFFF
+#define BF_SAIF_DATA_PCM_LEFT(v)        \
+                (((v) << 0) & BM_SAIF_DATA_PCM_LEFT)
+
+/* SAIF_VERSION */
+#define BP_SAIF_VERSION_MAJOR           24
+#define BM_SAIF_VERSION_MAJOR           0xFF000000
+#define BF_SAIF_VERSION_MAJOR(v) \
+                (((v) << 24) & BM_SAIF_VERSION_MAJOR)
+#define BP_SAIF_VERSION_MINOR           16
+#define BM_SAIF_VERSION_MINOR           0x00FF0000
+#define BF_SAIF_VERSION_MINOR(v) \
+                (((v) << 16) & BM_SAIF_VERSION_MINOR)
+#define BP_SAIF_VERSION_STEP            0
+#define BM_SAIF_VERSION_STEP            0x0000FFFF
+#define BF_SAIF_VERSION_STEP(v) \
+                (((v) << 0) & BM_SAIF_VERSION_STEP)
+
+#define MXS_SAIF_MCLK           0
+
+#include "mxs-pcm.h"
+
+struct mxs_saif {
+        struct device *dev;
+        struct clk *clk;
+        unsigned int mclk;
+        unsigned int mclk_in_use;
+        void __iomem *base;
+        int irq;
+        struct mxs_pcm_dma_params dma_param;
+        unsigned int id;
+        unsigned int master_id;
+        unsigned int cur_rate;
+        unsigned int ongoing;
+
+        struct platform_device *soc_platform_pdev;
+        u32 fifo_underrun;
+        u32 fifo_overrun;
+};
+
+extern int mxs_saif_put_mclk(unsigned int saif_id);
+extern int mxs_saif_get_mclk(unsigned int saif_id, unsigned int mclk,
+                                        unsigned int rate);
+#endif