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-rw-r--r--sound/soc/fsl/fsl_sai.h114
1 files changed, 114 insertions, 0 deletions
diff --git a/sound/soc/fsl/fsl_sai.h b/sound/soc/fsl/fsl_sai.h
new file mode 100644
index 00000000000..41bb62e6936
--- /dev/null
+++ b/sound/soc/fsl/fsl_sai.h
@@ -0,0 +1,114 @@
+/*
+ * Copyright 2012-2013 Freescale Semiconductor, Inc.
+ *
+ * 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 __FSL_SAI_H
+#define __FSL_SAI_H
+
+#include <sound/dmaengine_pcm.h>
+
+#define FSL_SAI_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
+ SNDRV_PCM_FMTBIT_S20_3LE |\
+ SNDRV_PCM_FMTBIT_S24_LE)
+
+/* SAI Transmit/Recieve Control Register */
+#define FSL_SAI_TCSR 0x00
+#define FSL_SAI_RCSR 0x80
+#define FSL_SAI_CSR_TERE BIT(31)
+#define FSL_SAI_CSR_FWF BIT(17)
+#define FSL_SAI_CSR_FRIE BIT(8)
+#define FSL_SAI_CSR_FRDE BIT(0)
+
+/* SAI Transmit Data/FIFO/MASK Register */
+#define FSL_SAI_TDR 0x20
+#define FSL_SAI_TFR 0x40
+#define FSL_SAI_TMR 0x60
+
+/* SAI Recieve Data/FIFO/MASK Register */
+#define FSL_SAI_RDR 0xa0
+#define FSL_SAI_RFR 0xc0
+#define FSL_SAI_RMR 0xe0
+
+/* SAI Transmit and Recieve Configuration 1 Register */
+#define FSL_SAI_TCR1 0x04
+#define FSL_SAI_RCR1 0x84
+
+/* SAI Transmit and Recieve Configuration 2 Register */
+#define FSL_SAI_TCR2 0x08
+#define FSL_SAI_RCR2 0x88
+#define FSL_SAI_CR2_SYNC BIT(30)
+#define FSL_SAI_CR2_MSEL_MASK (0xff << 26)
+#define FSL_SAI_CR2_MSEL_BUS 0
+#define FSL_SAI_CR2_MSEL_MCLK1 BIT(26)
+#define FSL_SAI_CR2_MSEL_MCLK2 BIT(27)
+#define FSL_SAI_CR2_MSEL_MCLK3 (BIT(26) | BIT(27))
+#define FSL_SAI_CR2_BCP BIT(25)
+#define FSL_SAI_CR2_BCD_MSTR BIT(24)
+
+/* SAI Transmit and Recieve Configuration 3 Register */
+#define FSL_SAI_TCR3 0x0c
+#define FSL_SAI_RCR3 0x8c
+#define FSL_SAI_CR3_TRCE BIT(16)
+#define FSL_SAI_CR3_WDFL(x) (x)
+#define FSL_SAI_CR3_WDFL_MASK 0x1f
+
+/* SAI Transmit and Recieve Configuration 4 Register */
+#define FSL_SAI_TCR4 0x10
+#define FSL_SAI_RCR4 0x90
+#define FSL_SAI_CR4_FRSZ(x) (((x) - 1) << 16)
+#define FSL_SAI_CR4_FRSZ_MASK (0x1f << 16)
+#define FSL_SAI_CR4_SYWD(x) (((x) - 1) << 8)
+#define FSL_SAI_CR4_SYWD_MASK (0x1f << 8)
+#define FSL_SAI_CR4_MF BIT(4)
+#define FSL_SAI_CR4_FSE BIT(3)
+#define FSL_SAI_CR4_FSP BIT(1)
+#define FSL_SAI_CR4_FSD_MSTR BIT(0)
+
+/* SAI Transmit and Recieve Configuration 5 Register */
+#define FSL_SAI_TCR5 0x14
+#define FSL_SAI_RCR5 0x94
+#define FSL_SAI_CR5_WNW(x) (((x) - 1) << 24)
+#define FSL_SAI_CR5_WNW_MASK (0x1f << 24)
+#define FSL_SAI_CR5_W0W(x) (((x) - 1) << 16)
+#define FSL_SAI_CR5_W0W_MASK (0x1f << 16)
+#define FSL_SAI_CR5_FBT(x) ((x) << 8)
+#define FSL_SAI_CR5_FBT_MASK (0x1f << 8)
+
+/* SAI type */
+#define FSL_SAI_DMA BIT(0)
+#define FSL_SAI_USE_AC97 BIT(1)
+#define FSL_SAI_NET BIT(2)
+#define FSL_SAI_TRA_SYN BIT(3)
+#define FSL_SAI_REC_SYN BIT(4)
+#define FSL_SAI_USE_I2S_SLAVE BIT(5)
+
+#define FSL_FMT_TRANSMITTER 0
+#define FSL_FMT_RECEIVER 1
+
+/* SAI clock sources */
+#define FSL_SAI_CLK_BUS 0
+#define FSL_SAI_CLK_MAST1 1
+#define FSL_SAI_CLK_MAST2 2
+#define FSL_SAI_CLK_MAST3 3
+
+/* SAI data transfer numbers per DMA request */
+#define FSL_SAI_MAXBURST_TX 6
+#define FSL_SAI_MAXBURST_RX 6
+
+struct fsl_sai {
+ struct clk *clk;
+
+ void __iomem *base;
+
+ bool big_endian_regs;
+ bool big_endian_data;
+
+ struct snd_dmaengine_dai_dma_data dma_params_rx;
+ struct snd_dmaengine_dai_dma_data dma_params_tx;
+};
+
+#endif /* __FSL_SAI_H */