/* SPDX-License-Identifier: GPL-2.0-only */ /* * 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> */ #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_NORMAL (0 << I2S_CKR_CKP_SHIFT) #define I2S_CKR_CKP_INVERTED (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_INVERTED (1 << I2S_CKR_RLP_SHIFT) #define I2S_CKR_RLP_MASK (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_INVERTED (1 << I2S_CKR_TLP_SHIFT) #define I2S_CKR_TLP_MASK (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 */
