sound/soc/chorus2/chorus2-i2s.h

/*
 * chorus2-i2s.h
 *
 */
#ifndef CHORUS2I2S_H_
#define CHORUS2I2S_H_

#include <linux/io.h>

extern struct snd_soc_dai_driver chorus2_i2s_dai;

#define I2S_OUT_BASE_ADDR		0x02017000

#define _I2S_OUT_INTERLEAVE_DATA_OFFSET 0x00

#define	_I2S_OUT_CONTROL_OFFSET		0x04

#define _I2S_OUT_ACTIVE_CHAN_OFFSET	_I2S_OUT_CONTROL_OFFSET
#define _I2S_OUT_ACTIVE_CHAN_SHIFT	12
#define _I2S_OUT_ACTIVE_CHAN_MASK	0x0000F000

#define _I2S_OUT_FRAME_OFFSET		_I2S_OUT_CONTROL_OFFSET
#define _I2S_OUT_FRAME_SHIFT		7
#define _I2S_OUT_FRAME_MASK		0x00000180

#define _I2S_OUT_MASTER_OFFSET		_I2S_OUT_CONTROL_OFFSET
#define _I2S_OUT_MASTER_SHIFT		6
#define _I2S_OUT_MASTER_MASK		0x00000040

#define _I2S_OUT_ACLK_SEL_OFFSET	_I2S_OUT_CONTROL_OFFSET
#define _I2S_OUT_ACLK_SEL_SHIFT		5
#define _I2S_OUT_ACLK_SEL_MASK		0x00000020

#define _I2S_OUT_BCLK_EN_OFFSET		_I2S_OUT_CONTROL_OFFSET
#define _I2S_OUT_BCLK_EN_SHIFT		4
#define _I2S_OUT_BCLK_EN_MASK		0x00000010

#define _I2S_OUT_LEFT_POL_OFFSET	_I2S_OUT_CONTROL_OFFSET
#define _I2S_OUT_LEFT_POL_SHIFT		3
#define _I2S_OUT_LEFT_POL_MASK		0x00000008

#define _I2S_OUT_BCLK_POL_OFFSET	_I2S_OUT_CONTROL_OFFSET
#define _I2S_OUT_BCLK_POL_SHIFT		2
#define _I2S_OUT_BCLK_POL_MASK		0x00000004

#define _I2S_OUT_PACKED_OFFSET		_I2S_OUT_CONTROL_OFFSET
#define _I2S_OUT_PACKED_SHIFT		1
#define _I2S_OUT_PACKED_MASK		0x00000002

#define _I2S_OUT_ENABLE_OFFSET		_I2S_OUT_CONTROL_OFFSET
#define _I2S_OUT_ENABLE_SHIFT		0
#define _I2S_OUT_ENABLE_MASK		0x00000001

#define _I2S_OUT_SOFT_RESET_OFFSET	0x08
#define _I2S_OUT_SOFT_RESET_SHIFT	0
#define _I2S_OUT_SOFT_RESET_MASK	0x00000001

#define _I2S_OUT_CHANS_OFFSET		0x80
#define _I2S_OUT_CHANS_STRIDE		0x20

#define _I2S_OUT_CHAN_DATA_OFFSET	0x00

#define _I2S_OUT_CHAN_CTRL_OFFSET	0x04

#define _I2S_OUT_CHAN_LRDATA_POL_OFFSET	_I2S_OUT_CHAN_CTRL_OFFSET
#define _I2S_OUT_CHAN_LRDATA_POL_SHIFT	12
#define _I2S_OUT_CHAN_LRDATA_POL_MASK	0x00001000

#define _I2S_OUT_CHAN_LRFORCE_DIS_OFFSET _I2S_OUT_CHAN_CTRL_OFFSET
#define _I2S_OUT_CHAN_LRFORCE_DIS_SHIFT	11
#define _I2S_OUT_CHAN_LRFORCE_DIS_MASK	0x00000800

#define _I2S_OUT_CHAN_LOCK_DIS_OFFSET	_I2S_OUT_CHAN_CTRL_OFFSET
#define _I2S_OUT_CHAN_LOCK_DIS_SHIFT	10
#define _I2S_OUT_CHAN_LOCK_DIS_MASK	0x00000400

#define _I2S_OUT_CHAN_REPEAT_OFFSET	_I2S_OUT_CHAN_CTRL_OFFSET
#define _I2S_OUT_CHAN_REPEAT_SHIFT	9
#define _I2S_OUT_CHAN_REPEAT_MASK	0x00000200

#define _I2S_OUT_CHAN_PACKED_OFFSET	_I2S_OUT_CHAN_CTRL_OFFSET
#define _I2S_OUT_CHAN_PACKED_SHIFT	8
#define _I2S_OUT_CHAN_PACKED_MASK	0x00000100

#define _I2S_OUT_CHAN_FORMAT_OFFSET	_I2S_OUT_CHAN_CTRL_OFFSET
#define _I2S_OUT_CHAN_FORMAT_SHIFT	7
#define _I2S_OUT_CHAN_FORMAT_MASK	0x000000F0

#define _I2S_OUT_CHAN_MUSTBE1_OFFSET	_I2S_OUT_CHAN_CTRL_OFFSET
#define _I2S_OUT_CHAN_MUSTB1_SHIFT	3
#define _I2S_OUT_CHAN_MUSTB1_MASK	0x00000008

#define _I2S_OUT_CHAN_FLUSH_OFFSET	_I2S_OUT_CHAN_CTRL_OFFSET
#define _I2S_OUT_CHAN_FLUSH_SHIFT	2
#define _I2S_OUT_CHAN_FLUSH_MASK	0x00000004

#define _I2S_OUT_CHAN_PH_NSY_OFFSET	_I2S_OUT_CHAN_CTRL_OFFSET
#define _I2S_OUT_CHAN_PH_NSY_SHIFT	1
#define _I2S_OUT_CHAN_PH_NSY_MASK	0x00000002

#define _I2S_OUT_CHAN_RUN_OFFSET	_I2S_OUT_CHAN_CTRL_OFFSET
#define _I2S_OUT_CHAN_RUN_SHIFT		0
#define _I2S_OUT_CHAN_RUN_MASK		0x00000001

#define _I2S_OUT_CHAN_I_STATUS_OFFSET	0x08

#define _I2S_OUT_CHAN_I_ENABLE_OFFSET	0x0C

#define _I2S_OUT_CHAN_I_CLEAR_OFFSET	0x10

#define _I2S_OUT_SAMPLE_COUNT_OFFSET 	0x1C


/*Helper Macros (dont use outside of this file) */
#define _REG_ADDRESS(REG) _##REG##_OFFSET
#define _REG_MASK(REG) _##REG##_MASK
#define _REG_SHIFT(REG) _##REG##_SHIFT

#define I2S_OUT_WRITE_REG(REG, value)	\
	iowrite32(value, (void *)I2S_OUT_BASE_ADDR + _REG_ADDRESS(REG))

#define I2S_OUT_READ_REG(REG)	\
	ioread32((void *)I2S_OUT_BASE_ADDR + _REG_ADDRESS(REG))

#define I2S_OUT_GET_REG_FIELD(REG) \
	((I2S_OUT_READ_REG(REG) & _REG_MASK(REG)) >> _REG_SHIFT(REG))


/* Helper to be used externally */
#define I2S_OUT_SET_REG_FIELD(REG, value) \
{\
	u32 temp = I2S_OUT_READ_REG(REG); \
	I2S_OUT_SET_FIELD(temp, REG, value);\
	I2S_OUT_WRITE_REG(REG, temp);\
}

#define I2S_OUT_SET_FIELD(data, FIELD, value) \
{\
	data &= ~_REG_MASK(FIELD);\
	data |=  value << _REG_SHIFT(FIELD);\
}

static inline void I2S_OUT_RSET_CHAN_CONTROL(int channel, u32 value)
{
	iowrite32(value, (void *)I2S_OUT_BASE_ADDR + _I2S_OUT_CHANS_OFFSET +
			channel * _I2S_OUT_CHANS_STRIDE +
			_REG_ADDRESS(I2S_OUT_CHAN_CTRL));
}

static inline u32 I2S_OUT_RGET_CHAN_CONTROL(int channel)
{
	return ioread32((void *)I2S_OUT_BASE_ADDR + _I2S_OUT_CHANS_OFFSET +
			channel * _I2S_OUT_CHANS_STRIDE +
			_REG_ADDRESS(I2S_OUT_CHAN_CTRL));
}
static inline void I2S_OUT_RSET_MAIN_CONTROL(u32 value)
{
	iowrite32(value, (void *)I2S_OUT_BASE_ADDR +
			_REG_ADDRESS(I2S_OUT_CONTROL));
}

static inline u32 I2S_OUT_RGET_MAIN_CONTROL(void)
{
	return ioread32((void *)I2S_OUT_BASE_ADDR +
			_REG_ADDRESS(I2S_OUT_CONTROL));
}

#endif /* CHORUS2I2S_H_ */