ec2212c4af
simple-audio-card,bitclock-inversion = <1> : bclk falling edge taken simple-audio-card,format = "dsp_a" : pcm no delay mode simple-audio-card,format = "dsp_b" : pcm late 1 mode Signed-off-by: zhangjun <zhangjun@rock-chips.com> Signed-off-by: Sugar Zhang <sugar.zhang@rock-chips.com> Signed-off-by: Mark Brown <broonie@kernel.org>
249 lines
8.2 KiB
C
249 lines
8.2 KiB
C
/*
|
|
* sound/soc/rockchip/rockchip_i2s.h
|
|
*
|
|
* ALSA SoC Audio Layer - Rockchip I2S Controller driver
|
|
*
|
|
* Copyright (c) 2014 Rockchip Electronics Co. Ltd.
|
|
* Author: Jianqun xu <jay.xu@rock-chips.com>
|
|
*
|
|
* 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 _ROCKCHIP_IIS_H
|
|
#define _ROCKCHIP_IIS_H
|
|
|
|
/*
|
|
* TXCR
|
|
* transmit operation control register
|
|
*/
|
|
#define I2S_TXCR_RCNT_SHIFT 17
|
|
#define I2S_TXCR_RCNT_MASK (0x3f << I2S_TXCR_RCNT_SHIFT)
|
|
#define I2S_TXCR_CSR_SHIFT 15
|
|
#define I2S_TXCR_CSR(x) (x << I2S_TXCR_CSR_SHIFT)
|
|
#define I2S_TXCR_CSR_MASK (3 << I2S_TXCR_CSR_SHIFT)
|
|
#define I2S_TXCR_HWT BIT(14)
|
|
#define I2S_TXCR_SJM_SHIFT 12
|
|
#define I2S_TXCR_SJM_R (0 << I2S_TXCR_SJM_SHIFT)
|
|
#define I2S_TXCR_SJM_L (1 << I2S_TXCR_SJM_SHIFT)
|
|
#define I2S_TXCR_FBM_SHIFT 11
|
|
#define I2S_TXCR_FBM_MSB (0 << I2S_TXCR_FBM_SHIFT)
|
|
#define I2S_TXCR_FBM_LSB (1 << I2S_TXCR_FBM_SHIFT)
|
|
#define I2S_TXCR_IBM_SHIFT 9
|
|
#define I2S_TXCR_IBM_NORMAL (0 << I2S_TXCR_IBM_SHIFT)
|
|
#define I2S_TXCR_IBM_LSJM (1 << I2S_TXCR_IBM_SHIFT)
|
|
#define I2S_TXCR_IBM_RSJM (2 << I2S_TXCR_IBM_SHIFT)
|
|
#define I2S_TXCR_IBM_MASK (3 << I2S_TXCR_IBM_SHIFT)
|
|
#define I2S_TXCR_PBM_SHIFT 7
|
|
#define I2S_TXCR_PBM_MODE(x) (x << I2S_TXCR_PBM_SHIFT)
|
|
#define I2S_TXCR_PBM_MASK (3 << I2S_TXCR_PBM_SHIFT)
|
|
#define I2S_TXCR_TFS_SHIFT 5
|
|
#define I2S_TXCR_TFS_I2S (0 << I2S_TXCR_TFS_SHIFT)
|
|
#define I2S_TXCR_TFS_PCM (1 << I2S_TXCR_TFS_SHIFT)
|
|
#define I2S_TXCR_TFS_MASK (1 << I2S_TXCR_TFS_SHIFT)
|
|
#define I2S_TXCR_VDW_SHIFT 0
|
|
#define I2S_TXCR_VDW(x) ((x - 1) << I2S_TXCR_VDW_SHIFT)
|
|
#define I2S_TXCR_VDW_MASK (0x1f << I2S_TXCR_VDW_SHIFT)
|
|
|
|
/*
|
|
* RXCR
|
|
* receive operation control register
|
|
*/
|
|
#define I2S_RXCR_CSR_SHIFT 15
|
|
#define I2S_RXCR_CSR(x) (x << I2S_RXCR_CSR_SHIFT)
|
|
#define I2S_RXCR_CSR_MASK (3 << I2S_RXCR_CSR_SHIFT)
|
|
#define I2S_RXCR_HWT BIT(14)
|
|
#define I2S_RXCR_SJM_SHIFT 12
|
|
#define I2S_RXCR_SJM_R (0 << I2S_RXCR_SJM_SHIFT)
|
|
#define I2S_RXCR_SJM_L (1 << I2S_RXCR_SJM_SHIFT)
|
|
#define I2S_RXCR_FBM_SHIFT 11
|
|
#define I2S_RXCR_FBM_MSB (0 << I2S_RXCR_FBM_SHIFT)
|
|
#define I2S_RXCR_FBM_LSB (1 << I2S_RXCR_FBM_SHIFT)
|
|
#define I2S_RXCR_IBM_SHIFT 9
|
|
#define I2S_RXCR_IBM_NORMAL (0 << I2S_RXCR_IBM_SHIFT)
|
|
#define I2S_RXCR_IBM_LSJM (1 << I2S_RXCR_IBM_SHIFT)
|
|
#define I2S_RXCR_IBM_RSJM (2 << I2S_RXCR_IBM_SHIFT)
|
|
#define I2S_RXCR_IBM_MASK (3 << I2S_RXCR_IBM_SHIFT)
|
|
#define I2S_RXCR_PBM_SHIFT 7
|
|
#define I2S_RXCR_PBM_MODE(x) (x << I2S_RXCR_PBM_SHIFT)
|
|
#define I2S_RXCR_PBM_MASK (3 << I2S_RXCR_PBM_SHIFT)
|
|
#define I2S_RXCR_TFS_SHIFT 5
|
|
#define I2S_RXCR_TFS_I2S (0 << I2S_RXCR_TFS_SHIFT)
|
|
#define I2S_RXCR_TFS_PCM (1 << I2S_RXCR_TFS_SHIFT)
|
|
#define I2S_RXCR_TFS_MASK (1 << I2S_RXCR_TFS_SHIFT)
|
|
#define I2S_RXCR_VDW_SHIFT 0
|
|
#define I2S_RXCR_VDW(x) ((x - 1) << I2S_RXCR_VDW_SHIFT)
|
|
#define I2S_RXCR_VDW_MASK (0x1f << I2S_RXCR_VDW_SHIFT)
|
|
|
|
/*
|
|
* CKR
|
|
* clock generation register
|
|
*/
|
|
#define I2S_CKR_TRCM_SHIFT 28
|
|
#define I2S_CKR_TRCM(x) (x << I2S_CKR_TRCM_SHIFT)
|
|
#define I2S_CKR_TRCM_TXRX (0 << I2S_CKR_TRCM_SHIFT)
|
|
#define I2S_CKR_TRCM_TXONLY (1 << I2S_CKR_TRCM_SHIFT)
|
|
#define I2S_CKR_TRCM_RXONLY (2 << I2S_CKR_TRCM_SHIFT)
|
|
#define I2S_CKR_TRCM_MASK (3 << I2S_CKR_TRCM_SHIFT)
|
|
#define I2S_CKR_MSS_SHIFT 27
|
|
#define I2S_CKR_MSS_MASTER (0 << I2S_CKR_MSS_SHIFT)
|
|
#define I2S_CKR_MSS_SLAVE (1 << I2S_CKR_MSS_SHIFT)
|
|
#define I2S_CKR_MSS_MASK (1 << I2S_CKR_MSS_SHIFT)
|
|
#define I2S_CKR_CKP_SHIFT 26
|
|
#define I2S_CKR_CKP_NEG (0 << I2S_CKR_CKP_SHIFT)
|
|
#define I2S_CKR_CKP_POS (1 << I2S_CKR_CKP_SHIFT)
|
|
#define I2S_CKR_CKP_MASK (1 << I2S_CKR_CKP_SHIFT)
|
|
#define I2S_CKR_RLP_SHIFT 25
|
|
#define I2S_CKR_RLP_NORMAL (0 << I2S_CKR_RLP_SHIFT)
|
|
#define I2S_CKR_RLP_OPPSITE (1 << I2S_CKR_RLP_SHIFT)
|
|
#define I2S_CKR_TLP_SHIFT 24
|
|
#define I2S_CKR_TLP_NORMAL (0 << I2S_CKR_TLP_SHIFT)
|
|
#define I2S_CKR_TLP_OPPSITE (1 << I2S_CKR_TLP_SHIFT)
|
|
#define I2S_CKR_MDIV_SHIFT 16
|
|
#define I2S_CKR_MDIV(x) ((x - 1) << I2S_CKR_MDIV_SHIFT)
|
|
#define I2S_CKR_MDIV_MASK (0xff << I2S_CKR_MDIV_SHIFT)
|
|
#define I2S_CKR_RSD_SHIFT 8
|
|
#define I2S_CKR_RSD(x) ((x - 1) << I2S_CKR_RSD_SHIFT)
|
|
#define I2S_CKR_RSD_MASK (0xff << I2S_CKR_RSD_SHIFT)
|
|
#define I2S_CKR_TSD_SHIFT 0
|
|
#define I2S_CKR_TSD(x) ((x - 1) << I2S_CKR_TSD_SHIFT)
|
|
#define I2S_CKR_TSD_MASK (0xff << I2S_CKR_TSD_SHIFT)
|
|
|
|
/*
|
|
* FIFOLR
|
|
* FIFO level register
|
|
*/
|
|
#define I2S_FIFOLR_RFL_SHIFT 24
|
|
#define I2S_FIFOLR_RFL_MASK (0x3f << I2S_FIFOLR_RFL_SHIFT)
|
|
#define I2S_FIFOLR_TFL3_SHIFT 18
|
|
#define I2S_FIFOLR_TFL3_MASK (0x3f << I2S_FIFOLR_TFL3_SHIFT)
|
|
#define I2S_FIFOLR_TFL2_SHIFT 12
|
|
#define I2S_FIFOLR_TFL2_MASK (0x3f << I2S_FIFOLR_TFL2_SHIFT)
|
|
#define I2S_FIFOLR_TFL1_SHIFT 6
|
|
#define I2S_FIFOLR_TFL1_MASK (0x3f << I2S_FIFOLR_TFL1_SHIFT)
|
|
#define I2S_FIFOLR_TFL0_SHIFT 0
|
|
#define I2S_FIFOLR_TFL0_MASK (0x3f << I2S_FIFOLR_TFL0_SHIFT)
|
|
|
|
/*
|
|
* DMACR
|
|
* DMA control register
|
|
*/
|
|
#define I2S_DMACR_RDE_SHIFT 24
|
|
#define I2S_DMACR_RDE_DISABLE (0 << I2S_DMACR_RDE_SHIFT)
|
|
#define I2S_DMACR_RDE_ENABLE (1 << I2S_DMACR_RDE_SHIFT)
|
|
#define I2S_DMACR_RDL_SHIFT 16
|
|
#define I2S_DMACR_RDL(x) ((x - 1) << I2S_DMACR_RDL_SHIFT)
|
|
#define I2S_DMACR_RDL_MASK (0x1f << I2S_DMACR_RDL_SHIFT)
|
|
#define I2S_DMACR_TDE_SHIFT 8
|
|
#define I2S_DMACR_TDE_DISABLE (0 << I2S_DMACR_TDE_SHIFT)
|
|
#define I2S_DMACR_TDE_ENABLE (1 << I2S_DMACR_TDE_SHIFT)
|
|
#define I2S_DMACR_TDL_SHIFT 0
|
|
#define I2S_DMACR_TDL(x) ((x) << I2S_DMACR_TDL_SHIFT)
|
|
#define I2S_DMACR_TDL_MASK (0x1f << I2S_DMACR_TDL_SHIFT)
|
|
|
|
/*
|
|
* INTCR
|
|
* interrupt control register
|
|
*/
|
|
#define I2S_INTCR_RFT_SHIFT 20
|
|
#define I2S_INTCR_RFT(x) ((x - 1) << I2S_INTCR_RFT_SHIFT)
|
|
#define I2S_INTCR_RXOIC BIT(18)
|
|
#define I2S_INTCR_RXOIE_SHIFT 17
|
|
#define I2S_INTCR_RXOIE_DISABLE (0 << I2S_INTCR_RXOIE_SHIFT)
|
|
#define I2S_INTCR_RXOIE_ENABLE (1 << I2S_INTCR_RXOIE_SHIFT)
|
|
#define I2S_INTCR_RXFIE_SHIFT 16
|
|
#define I2S_INTCR_RXFIE_DISABLE (0 << I2S_INTCR_RXFIE_SHIFT)
|
|
#define I2S_INTCR_RXFIE_ENABLE (1 << I2S_INTCR_RXFIE_SHIFT)
|
|
#define I2S_INTCR_TFT_SHIFT 4
|
|
#define I2S_INTCR_TFT(x) ((x - 1) << I2S_INTCR_TFT_SHIFT)
|
|
#define I2S_INTCR_TFT_MASK (0x1f << I2S_INTCR_TFT_SHIFT)
|
|
#define I2S_INTCR_TXUIC BIT(2)
|
|
#define I2S_INTCR_TXUIE_SHIFT 1
|
|
#define I2S_INTCR_TXUIE_DISABLE (0 << I2S_INTCR_TXUIE_SHIFT)
|
|
#define I2S_INTCR_TXUIE_ENABLE (1 << I2S_INTCR_TXUIE_SHIFT)
|
|
|
|
/*
|
|
* INTSR
|
|
* interrupt status register
|
|
*/
|
|
#define I2S_INTSR_TXEIE_SHIFT 0
|
|
#define I2S_INTSR_TXEIE_DISABLE (0 << I2S_INTSR_TXEIE_SHIFT)
|
|
#define I2S_INTSR_TXEIE_ENABLE (1 << I2S_INTSR_TXEIE_SHIFT)
|
|
#define I2S_INTSR_RXOI_SHIFT 17
|
|
#define I2S_INTSR_RXOI_INA (0 << I2S_INTSR_RXOI_SHIFT)
|
|
#define I2S_INTSR_RXOI_ACT (1 << I2S_INTSR_RXOI_SHIFT)
|
|
#define I2S_INTSR_RXFI_SHIFT 16
|
|
#define I2S_INTSR_RXFI_INA (0 << I2S_INTSR_RXFI_SHIFT)
|
|
#define I2S_INTSR_RXFI_ACT (1 << I2S_INTSR_RXFI_SHIFT)
|
|
#define I2S_INTSR_TXUI_SHIFT 1
|
|
#define I2S_INTSR_TXUI_INA (0 << I2S_INTSR_TXUI_SHIFT)
|
|
#define I2S_INTSR_TXUI_ACT (1 << I2S_INTSR_TXUI_SHIFT)
|
|
#define I2S_INTSR_TXEI_SHIFT 0
|
|
#define I2S_INTSR_TXEI_INA (0 << I2S_INTSR_TXEI_SHIFT)
|
|
#define I2S_INTSR_TXEI_ACT (1 << I2S_INTSR_TXEI_SHIFT)
|
|
|
|
/*
|
|
* XFER
|
|
* Transfer start register
|
|
*/
|
|
#define I2S_XFER_RXS_SHIFT 1
|
|
#define I2S_XFER_RXS_STOP (0 << I2S_XFER_RXS_SHIFT)
|
|
#define I2S_XFER_RXS_START (1 << I2S_XFER_RXS_SHIFT)
|
|
#define I2S_XFER_TXS_SHIFT 0
|
|
#define I2S_XFER_TXS_STOP (0 << I2S_XFER_TXS_SHIFT)
|
|
#define I2S_XFER_TXS_START (1 << I2S_XFER_TXS_SHIFT)
|
|
|
|
/*
|
|
* CLR
|
|
* clear SCLK domain logic register
|
|
*/
|
|
#define I2S_CLR_RXC BIT(1)
|
|
#define I2S_CLR_TXC BIT(0)
|
|
|
|
/*
|
|
* TXDR
|
|
* Transimt FIFO data register, write only.
|
|
*/
|
|
#define I2S_TXDR_MASK (0xff)
|
|
|
|
/*
|
|
* RXDR
|
|
* Receive FIFO data register, write only.
|
|
*/
|
|
#define I2S_RXDR_MASK (0xff)
|
|
|
|
/* Clock divider id */
|
|
enum {
|
|
ROCKCHIP_DIV_MCLK = 0,
|
|
ROCKCHIP_DIV_BCLK,
|
|
};
|
|
|
|
/* channel select */
|
|
#define I2S_CSR_SHIFT 15
|
|
#define I2S_CHN_2 (0 << I2S_CSR_SHIFT)
|
|
#define I2S_CHN_4 (1 << I2S_CSR_SHIFT)
|
|
#define I2S_CHN_6 (2 << I2S_CSR_SHIFT)
|
|
#define I2S_CHN_8 (3 << I2S_CSR_SHIFT)
|
|
|
|
/* I2S REGS */
|
|
#define I2S_TXCR (0x0000)
|
|
#define I2S_RXCR (0x0004)
|
|
#define I2S_CKR (0x0008)
|
|
#define I2S_FIFOLR (0x000c)
|
|
#define I2S_DMACR (0x0010)
|
|
#define I2S_INTCR (0x0014)
|
|
#define I2S_INTSR (0x0018)
|
|
#define I2S_XFER (0x001c)
|
|
#define I2S_CLR (0x0020)
|
|
#define I2S_TXDR (0x0024)
|
|
#define I2S_RXDR (0x0028)
|
|
|
|
/* io direction cfg register */
|
|
#define I2S_IO_DIRECTION_MASK (7)
|
|
#define I2S_IO_8CH_OUT_2CH_IN (0)
|
|
#define I2S_IO_6CH_OUT_4CH_IN (4)
|
|
#define I2S_IO_4CH_OUT_6CH_IN (6)
|
|
#define I2S_IO_2CH_OUT_8CH_IN (7)
|
|
|
|
#endif /* _ROCKCHIP_IIS_H */
|