| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * Copyright 2012-2013 Freescale Semiconductor, Inc. |
| */ |
| |
| #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_VERID 0x00 /* SAI Version ID Register */ |
| #define FSL_SAI_PARAM 0x04 /* SAI Parameter Register */ |
| #define FSL_SAI_TCSR(ofs) (0x00 + ofs) /* SAI Transmit Control */ |
| #define FSL_SAI_TCR1(ofs) (0x04 + ofs) /* SAI Transmit Configuration 1 */ |
| #define FSL_SAI_TCR2(ofs) (0x08 + ofs) /* SAI Transmit Configuration 2 */ |
| #define FSL_SAI_TCR3(ofs) (0x0c + ofs) /* SAI Transmit Configuration 3 */ |
| #define FSL_SAI_TCR4(ofs) (0x10 + ofs) /* SAI Transmit Configuration 4 */ |
| #define FSL_SAI_TCR5(ofs) (0x14 + ofs) /* SAI Transmit Configuration 5 */ |
| #define FSL_SAI_TDR0 0x20 /* SAI Transmit Data 0 */ |
| #define FSL_SAI_TDR1 0x24 /* SAI Transmit Data 1 */ |
| #define FSL_SAI_TDR2 0x28 /* SAI Transmit Data 2 */ |
| #define FSL_SAI_TDR3 0x2C /* SAI Transmit Data 3 */ |
| #define FSL_SAI_TDR4 0x30 /* SAI Transmit Data 4 */ |
| #define FSL_SAI_TDR5 0x34 /* SAI Transmit Data 5 */ |
| #define FSL_SAI_TDR6 0x38 /* SAI Transmit Data 6 */ |
| #define FSL_SAI_TDR7 0x3C /* SAI Transmit Data 7 */ |
| #define FSL_SAI_TFR0 0x40 /* SAI Transmit FIFO 0 */ |
| #define FSL_SAI_TFR1 0x44 /* SAI Transmit FIFO 1 */ |
| #define FSL_SAI_TFR2 0x48 /* SAI Transmit FIFO 2 */ |
| #define FSL_SAI_TFR3 0x4C /* SAI Transmit FIFO 3 */ |
| #define FSL_SAI_TFR4 0x50 /* SAI Transmit FIFO 4 */ |
| #define FSL_SAI_TFR5 0x54 /* SAI Transmit FIFO 5 */ |
| #define FSL_SAI_TFR6 0x58 /* SAI Transmit FIFO 6 */ |
| #define FSL_SAI_TFR7 0x5C /* SAI Transmit FIFO 7 */ |
| #define FSL_SAI_TMR 0x60 /* SAI Transmit Mask */ |
| #define FSL_SAI_TTCTL 0x70 /* SAI Transmit Timestamp Control Register */ |
| #define FSL_SAI_TTCTN 0x74 /* SAI Transmit Timestamp Counter Register */ |
| #define FSL_SAI_TBCTN 0x78 /* SAI Transmit Bit Counter Register */ |
| #define FSL_SAI_TTCAP 0x7C /* SAI Transmit Timestamp Capture */ |
| #define FSL_SAI_RCSR(ofs) (0x80 + ofs) /* SAI Receive Control */ |
| #define FSL_SAI_RCR1(ofs) (0x84 + ofs)/* SAI Receive Configuration 1 */ |
| #define FSL_SAI_RCR2(ofs) (0x88 + ofs) /* SAI Receive Configuration 2 */ |
| #define FSL_SAI_RCR3(ofs) (0x8c + ofs) /* SAI Receive Configuration 3 */ |
| #define FSL_SAI_RCR4(ofs) (0x90 + ofs) /* SAI Receive Configuration 4 */ |
| #define FSL_SAI_RCR5(ofs) (0x94 + ofs) /* SAI Receive Configuration 5 */ |
| #define FSL_SAI_RDR0 0xa0 /* SAI Receive Data 0 */ |
| #define FSL_SAI_RDR1 0xa4 /* SAI Receive Data 1 */ |
| #define FSL_SAI_RDR2 0xa8 /* SAI Receive Data 2 */ |
| #define FSL_SAI_RDR3 0xac /* SAI Receive Data 3 */ |
| #define FSL_SAI_RDR4 0xb0 /* SAI Receive Data 4 */ |
| #define FSL_SAI_RDR5 0xb4 /* SAI Receive Data 5 */ |
| #define FSL_SAI_RDR6 0xb8 /* SAI Receive Data 6 */ |
| #define FSL_SAI_RDR7 0xbc /* SAI Receive Data 7 */ |
| #define FSL_SAI_RFR0 0xc0 /* SAI Receive FIFO 0 */ |
| #define FSL_SAI_RFR1 0xc4 /* SAI Receive FIFO 1 */ |
| #define FSL_SAI_RFR2 0xc8 /* SAI Receive FIFO 2 */ |
| #define FSL_SAI_RFR3 0xcc /* SAI Receive FIFO 3 */ |
| #define FSL_SAI_RFR4 0xd0 /* SAI Receive FIFO 4 */ |
| #define FSL_SAI_RFR5 0xd4 /* SAI Receive FIFO 5 */ |
| #define FSL_SAI_RFR6 0xd8 /* SAI Receive FIFO 6 */ |
| #define FSL_SAI_RFR7 0xdc /* SAI Receive FIFO 7 */ |
| #define FSL_SAI_RMR 0xe0 /* SAI Receive Mask */ |
| #define FSL_SAI_RTCTL 0xf0 /* SAI Receive Timestamp Control Register */ |
| #define FSL_SAI_RTCTN 0xf4 /* SAI Receive Timestamp Counter Register */ |
| #define FSL_SAI_RBCTN 0xf8 /* SAI Receive Bit Counter Register */ |
| #define FSL_SAI_RTCAP 0xfc /* SAI Receive Timestamp Capture */ |
| |
| #define FSL_SAI_MCTL 0x100 /* SAI MCLK Control Register */ |
| #define FSL_SAI_MDIV 0x104 /* SAI MCLK Divide Register */ |
| |
| #define FSL_SAI_xCSR(tx, ofs) (tx ? FSL_SAI_TCSR(ofs) : FSL_SAI_RCSR(ofs)) |
| #define FSL_SAI_xCR1(tx, ofs) (tx ? FSL_SAI_TCR1(ofs) : FSL_SAI_RCR1(ofs)) |
| #define FSL_SAI_xCR2(tx, ofs) (tx ? FSL_SAI_TCR2(ofs) : FSL_SAI_RCR2(ofs)) |
| #define FSL_SAI_xCR3(tx, ofs) (tx ? FSL_SAI_TCR3(ofs) : FSL_SAI_RCR3(ofs)) |
| #define FSL_SAI_xCR4(tx, ofs) (tx ? FSL_SAI_TCR4(ofs) : FSL_SAI_RCR4(ofs)) |
| #define FSL_SAI_xCR5(tx, ofs) (tx ? FSL_SAI_TCR5(ofs) : FSL_SAI_RCR5(ofs)) |
| #define FSL_SAI_xDR(tx, ofs) (tx ? FSL_SAI_TDR(ofs) : FSL_SAI_RDR(ofs)) |
| #define FSL_SAI_xFR(tx, ofs) (tx ? FSL_SAI_TFR(ofs) : FSL_SAI_RFR(ofs)) |
| #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_SE BIT(30) |
| #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(x) ((x) - 1) |
| |
| /* 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_BYP BIT(23) /* BCLK bypass */ |
| #define FSL_SAI_CR2_DIV_MASK 0xff |
| |
| /* SAI Transmit and Receive Configuration 3 Register */ |
| #define FSL_SAI_CR3_TRCE(x) ((x) << 16) |
| #define FSL_SAI_CR3_TRCE_MASK GENMASK(23, 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_FCONT BIT(28) |
| #define FSL_SAI_CR4_FCOMB_SHIFT BIT(26) |
| #define FSL_SAI_CR4_FCOMB_SOFT BIT(27) |
| #define FSL_SAI_CR4_FCOMB_MASK (0x3 << 26) |
| #define FSL_SAI_CR4_FPACK_8 (0x2 << 24) |
| #define FSL_SAI_CR4_FPACK_16 (0x3 << 24) |
| #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_CHMOD BIT(5) |
| #define FSL_SAI_CR4_CHMOD_MASK BIT(5) |
| #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 MCLK Control Register */ |
| #define FSL_SAI_MCTL_MCLK_EN BIT(30) /* MCLK Enable */ |
| #define FSL_SAI_MCTL_MSEL_MASK (0x3 << 24) |
| #define FSL_SAI_MCTL_MSEL(ID) ((ID) << 24) |
| #define FSL_SAI_MCTL_MSEL_BUS 0 |
| #define FSL_SAI_MCTL_MSEL_MCLK1 BIT(24) |
| #define FSL_SAI_MCTL_MSEL_MCLK2 BIT(25) |
| #define FSL_SAI_MCTL_MSEL_MCLK3 (BIT(24) | BIT(25)) |
| #define FSL_SAI_MCTL_DIV_EN BIT(23) |
| #define FSL_SAI_MCTL_DIV_MASK 0xFF |
| |
| /* SAI VERID Register */ |
| #define FSL_SAI_VERID_MAJOR_SHIFT 24 |
| #define FSL_SAI_VERID_MAJOR_MASK GENMASK(31, 24) |
| #define FSL_SAI_VERID_MINOR_SHIFT 16 |
| #define FSL_SAI_VERID_MINOR_MASK GENMASK(23, 16) |
| #define FSL_SAI_VERID_FEATURE_SHIFT 0 |
| #define FSL_SAI_VERID_FEATURE_MASK GENMASK(15, 0) |
| #define FSL_SAI_VERID_EFIFO_EN BIT(0) |
| #define FSL_SAI_VERID_TSTMP_EN BIT(1) |
| |
| /* SAI PARAM Register */ |
| #define FSL_SAI_PARAM_SPF_SHIFT 16 |
| #define FSL_SAI_PARAM_SPF_MASK GENMASK(19, 16) |
| #define FSL_SAI_PARAM_WPF_SHIFT 8 |
| #define FSL_SAI_PARAM_WPF_MASK GENMASK(11, 8) |
| #define FSL_SAI_PARAM_DLN_MASK GENMASK(3, 0) |
| |
| /* SAI MCLK Divide Register */ |
| #define FSL_SAI_MDIV_MASK 0xFFFFF |
| |
| /* SAI timestamp and bitcounter */ |
| #define FSL_SAI_xTCTL_TSEN BIT(0) |
| #define FSL_SAI_xTCTL_TSINC BIT(1) |
| #define FSL_SAI_xTCTL_RTSC BIT(8) |
| #define FSL_SAI_xTCTL_RBC BIT(9) |
| |
| /* 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_soc_data { |
| bool use_imx_pcm; |
| bool use_edma; |
| bool mclk0_is_mclk1; |
| unsigned int fifo_depth; |
| unsigned int reg_offset; |
| }; |
| |
| /** |
| * struct fsl_sai_verid - version id data |
| * @major: major version number |
| * @minor: minor version number |
| * @feature: feature specification number |
| * 0000000000000000b - Standard feature set |
| * 0000000000000000b - Standard feature set |
| */ |
| struct fsl_sai_verid { |
| u32 major; |
| u32 minor; |
| u32 feature; |
| }; |
| |
| /** |
| * struct fsl_sai_param - parameter data |
| * @slot_num: The maximum number of slots per frame |
| * @fifo_depth: The number of words in each FIFO (depth) |
| * @dataline: The number of datalines implemented |
| */ |
| struct fsl_sai_param { |
| u32 slot_num; |
| u32 fifo_depth; |
| u32 dataline; |
| }; |
| |
| 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 synchronous[2]; |
| |
| unsigned int mclk_id[2]; |
| unsigned int mclk_streams; |
| unsigned int slots; |
| unsigned int slot_width; |
| unsigned int bclk_ratio; |
| |
| const struct fsl_sai_soc_data *soc_data; |
| struct snd_soc_dai_driver cpu_dai_drv; |
| struct snd_dmaengine_dai_dma_data dma_params_rx; |
| struct snd_dmaengine_dai_dma_data dma_params_tx; |
| struct fsl_sai_verid verid; |
| struct fsl_sai_param param; |
| }; |
| |
| #define TX 1 |
| #define RX 0 |
| |
| #endif /* __FSL_SAI_H */ |
