mirror of
https://github.com/torvalds/linux
synced 2024-10-19 17:58:44 +00:00
a731e217df
This driver is used by SIRF internal audio codec. Use dedicated SiRF audio port TXFIFO and RXFIFO Supports two DMA channels for SiRF audio port TXFIFO and RXFIFO The audio port like as audio bus such as i2s. Signed-off-by: Rongjun Ying <rongjun.ying@csr.com> Signed-off-by: Mark Brown <broonie@linaro.org>
63 lines
2.1 KiB
C
63 lines
2.1 KiB
C
/*
|
|
* SiRF Audio port controllers define
|
|
*
|
|
* Copyright (c) 2011 Cambridge Silicon Radio Limited, a CSR plc group company.
|
|
*
|
|
* Licensed under GPLv2 or later.
|
|
*/
|
|
|
|
#ifndef _SIRF_AUDIO_PORT_H
|
|
#define _SIRF_AUDIO_PORT_H
|
|
|
|
#define AUDIO_PORT_TX_FIFO_LEVEL_CHECK_MASK 0x3F
|
|
#define AUDIO_PORT_TX_FIFO_SC_OFFSET 0
|
|
#define AUDIO_PORT_TX_FIFO_LC_OFFSET 10
|
|
#define AUDIO_PORT_TX_FIFO_HC_OFFSET 20
|
|
|
|
#define TX_FIFO_SC(x) (((x) & AUDIO_PORT_TX_FIFO_LEVEL_CHECK_MASK) \
|
|
<< AUDIO_PORT_TX_FIFO_SC_OFFSET)
|
|
#define TX_FIFO_LC(x) (((x) & AUDIO_PORT_TX_FIFO_LEVEL_CHECK_MASK) \
|
|
<< AUDIO_PORT_TX_FIFO_LC_OFFSET)
|
|
#define TX_FIFO_HC(x) (((x) & AUDIO_PORT_TX_FIFO_LEVEL_CHECK_MASK) \
|
|
<< AUDIO_PORT_TX_FIFO_HC_OFFSET)
|
|
|
|
#define AUDIO_PORT_RX_FIFO_LEVEL_CHECK_MASK 0x0F
|
|
#define AUDIO_PORT_RX_FIFO_SC_OFFSET 0
|
|
#define AUDIO_PORT_RX_FIFO_LC_OFFSET 10
|
|
#define AUDIO_PORT_RX_FIFO_HC_OFFSET 20
|
|
|
|
#define RX_FIFO_SC(x) (((x) & AUDIO_PORT_RX_FIFO_LEVEL_CHECK_MASK) \
|
|
<< AUDIO_PORT_RX_FIFO_SC_OFFSET)
|
|
#define RX_FIFO_LC(x) (((x) & AUDIO_PORT_RX_FIFO_LEVEL_CHECK_MASK) \
|
|
<< AUDIO_PORT_RX_FIFO_LC_OFFSET)
|
|
#define RX_FIFO_HC(x) (((x) & AUDIO_PORT_RX_FIFO_LEVEL_CHECK_MASK) \
|
|
<< AUDIO_PORT_RX_FIFO_HC_OFFSET)
|
|
#define AUDIO_PORT_IC_CODEC_TX_CTRL (0x00F4)
|
|
#define AUDIO_PORT_IC_CODEC_RX_CTRL (0x00F8)
|
|
|
|
#define AUDIO_PORT_IC_TXFIFO_OP (0x00FC)
|
|
#define AUDIO_PORT_IC_TXFIFO_LEV_CHK (0x0100)
|
|
#define AUDIO_PORT_IC_TXFIFO_STS (0x0104)
|
|
#define AUDIO_PORT_IC_TXFIFO_INT (0x0108)
|
|
#define AUDIO_PORT_IC_TXFIFO_INT_MSK (0x010C)
|
|
|
|
#define AUDIO_PORT_IC_RXFIFO_OP (0x0110)
|
|
#define AUDIO_PORT_IC_RXFIFO_LEV_CHK (0x0114)
|
|
#define AUDIO_PORT_IC_RXFIFO_STS (0x0118)
|
|
#define AUDIO_PORT_IC_RXFIFO_INT (0x011C)
|
|
#define AUDIO_PORT_IC_RXFIFO_INT_MSK (0x0120)
|
|
|
|
#define AUDIO_FIFO_START (1 << 0)
|
|
#define AUDIO_FIFO_RESET (1 << 1)
|
|
|
|
#define AUDIO_FIFO_FULL (1 << 0)
|
|
#define AUDIO_FIFO_EMPTY (1 << 1)
|
|
#define AUDIO_FIFO_OFLOW (1 << 2)
|
|
#define AUDIO_FIFO_UFLOW (1 << 3)
|
|
|
|
#define IC_TX_ENABLE (0x03)
|
|
#define IC_RX_ENABLE_MONO (0x01)
|
|
#define IC_RX_ENABLE_STEREO (0x03)
|
|
|
|
#endif /*__SIRF_AUDIO_PORT_H*/
|