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Release 4.7 sound/soc/fsl/fsl_sai.h

Directory: sound/soc/fsl
/*
 * 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 |\
                         SNDRV_PCM_FMTBIT_S32_LE)

/* SAI Register Map Register */

#define FSL_SAI_TCSR	0x00 
/* SAI Transmit Control */

#define FSL_SAI_TCR1	0x04 
/* SAI Transmit Configuration 1 */

#define FSL_SAI_TCR2	0x08 
/* SAI Transmit Configuration 2 */

#define FSL_SAI_TCR3	0x0c 
/* SAI Transmit Configuration 3 */

#define FSL_SAI_TCR4	0x10 
/* SAI Transmit Configuration 4 */

#define FSL_SAI_TCR5	0x14 
/* SAI Transmit Configuration 5 */

#define FSL_SAI_TDR	0x20 
/* SAI Transmit Data */

#define FSL_SAI_TFR	0x40 
/* SAI Transmit FIFO */

#define FSL_SAI_TMR	0x60 
/* SAI Transmit Mask */

#define FSL_SAI_RCSR	0x80 
/* SAI Receive Control */

#define FSL_SAI_RCR1	0x84 
/* SAI Receive Configuration 1 */

#define FSL_SAI_RCR2	0x88 
/* SAI Receive Configuration 2 */

#define FSL_SAI_RCR3	0x8c 
/* SAI Receive Configuration 3 */

#define FSL_SAI_RCR4	0x90 
/* SAI Receive Configuration 4 */

#define FSL_SAI_RCR5	0x94 
/* SAI Receive Configuration 5 */

#define FSL_SAI_RDR	0xa0 
/* SAI Receive Data */

#define FSL_SAI_RFR	0xc0 
/* SAI Receive FIFO */

#define FSL_SAI_RMR	0xe0 
/* SAI Receive Mask */


#define FSL_SAI_xCSR(tx)	(tx ? FSL_SAI_TCSR : FSL_SAI_RCSR)

#define FSL_SAI_xCR1(tx)	(tx ? FSL_SAI_TCR1 : FSL_SAI_RCR1)

#define FSL_SAI_xCR2(tx)	(tx ? FSL_SAI_TCR2 : FSL_SAI_RCR2)

#define FSL_SAI_xCR3(tx)	(tx ? FSL_SAI_TCR3 : FSL_SAI_RCR3)

#define FSL_SAI_xCR4(tx)	(tx ? FSL_SAI_TCR4 : FSL_SAI_RCR4)

#define FSL_SAI_xCR5(tx)	(tx ? FSL_SAI_TCR5 : FSL_SAI_RCR5)

#define FSL_SAI_xDR(tx)		(tx ? FSL_SAI_TDR : FSL_SAI_RDR)

#define FSL_SAI_xFR(tx)		(tx ? FSL_SAI_TFR : FSL_SAI_RFR)

#define FSL_SAI_xMR(tx)		(tx ? FSL_SAI_TMR : FSL_SAI_RMR)

/* SAI Transmit/Receive Control Register */

#define FSL_SAI_CSR_TERE	BIT(31)

#define FSL_SAI_CSR_FR		BIT(25)

#define FSL_SAI_CSR_SR		BIT(24)

#define FSL_SAI_CSR_xF_SHIFT	16

#define FSL_SAI_CSR_xF_W_SHIFT	18

#define FSL_SAI_CSR_xF_MASK	(0x1f << FSL_SAI_CSR_xF_SHIFT)

#define FSL_SAI_CSR_xF_W_MASK	(0x7 << FSL_SAI_CSR_xF_W_SHIFT)

#define FSL_SAI_CSR_WSF		BIT(20)

#define FSL_SAI_CSR_SEF		BIT(19)

#define FSL_SAI_CSR_FEF		BIT(18)

#define FSL_SAI_CSR_FWF		BIT(17)

#define FSL_SAI_CSR_FRF		BIT(16)

#define FSL_SAI_CSR_xIE_SHIFT	8

#define FSL_SAI_CSR_xIE_MASK	(0x1f << FSL_SAI_CSR_xIE_SHIFT)

#define FSL_SAI_CSR_WSIE	BIT(12)

#define FSL_SAI_CSR_SEIE	BIT(11)

#define FSL_SAI_CSR_FEIE	BIT(10)

#define FSL_SAI_CSR_FWIE	BIT(9)

#define FSL_SAI_CSR_FRIE	BIT(8)

#define FSL_SAI_CSR_FRDE	BIT(0)

/* SAI Transmit and Receive Configuration 1 Register */

#define FSL_SAI_CR1_RFW_MASK	0x1f

/* SAI Transmit and Receive Configuration 2 Register */

#define FSL_SAI_CR2_SYNC	BIT(30)

#define FSL_SAI_CR2_MSEL_MASK	(0x3 << 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_MSEL(ID)	((ID) << 26)

#define FSL_SAI_CR2_BCP		BIT(25)

#define FSL_SAI_CR2_BCD_MSTR	BIT(24)

#define FSL_SAI_CR2_DIV_MASK	0xff

/* SAI Transmit and Receive Configuration 3 Register */

#define FSL_SAI_CR3_TRCE	BIT(16)

#define FSL_SAI_CR3_WDFL(x)	(x)

#define FSL_SAI_CR3_WDFL_MASK	0x1f

/* SAI Transmit and Receive Configuration 4 Register */

#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 Receive Configuration 5 Register */

#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


#define FSL_SAI_MCLK_MAX	4

/* SAI data transfer numbers per DMA request */

#define FSL_SAI_MAXBURST_TX 6

#define FSL_SAI_MAXBURST_RX 6


struct fsl_sai {
	
struct platform_device *pdev;
	
struct regmap *regmap;
	
struct clk *bus_clk;
	
struct clk *mclk_clk[FSL_SAI_MCLK_MAX];

	
bool is_slave_mode;
	
bool is_lsb_first;
	
bool is_dsp_mode;
	
bool sai_on_imx;
	
bool synchronous[2];

	
unsigned int mclk_id[2];
	
unsigned int mclk_streams;
	
unsigned int slots;
	
unsigned int slot_width;

	
struct snd_dmaengine_dai_dma_data dma_params_rx;
	
struct snd_dmaengine_dai_dma_data dma_params_tx;
};


#define TX 1

#define RX 0

#endif /* __FSL_SAI_H */

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Directory: sound/soc/fsl
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