/* * Copyright 2012-2013 Freescale Semiconductor, Inc. * * 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 __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_TCSR 0x00 /* SAI Transmit Control */ #define FSL_SAI_TCR1 0x04 /* SAI Transmit Configuration 1 */ #define FSL_SAI_TCR2 0x08 /* SAI Transmit Configuration 2 */ #define FSL_SAI_TCR3 0x0c /* SAI Transmit Configuration 3 */ #define FSL_SAI_TCR4 0x10 /* SAI Transmit Configuration 4 */ #define FSL_SAI_TCR5 0x14 /* SAI Transmit Configuration 5 */ #define FSL_SAI_TDR 0x20 /* SAI Transmit Data */ #define FSL_SAI_TFR 0x40 /* SAI Transmit FIFO */ #define FSL_SAI_TMR 0x60 /* SAI Transmit Mask */ #define FSL_SAI_RCSR 0x80 /* SAI Receive Control */ #define FSL_SAI_RCR1 0x84 /* SAI Receive Configuration 1 */ #define FSL_SAI_RCR2 0x88 /* SAI Receive Configuration 2 */ #define FSL_SAI_RCR3 0x8c /* SAI Receive Configuration 3 */ #define FSL_SAI_RCR4 0x90 /* SAI Receive Configuration 4 */ #define FSL_SAI_RCR5 0x94 /* SAI Receive Configuration 5 */ #define FSL_SAI_RDR 0xa0 /* SAI Receive Data */ #define FSL_SAI_RFR 0xc0 /* SAI Receive FIFO */ #define FSL_SAI_RMR 0xe0 /* SAI Receive Mask */ #define FSL_SAI_xCSR(tx) (tx ? FSL_SAI_TCSR : FSL_SAI_RCSR) #define FSL_SAI_xCR1(tx) (tx ? FSL_SAI_TCR1 : FSL_SAI_RCR1) #define FSL_SAI_xCR2(tx) (tx ? FSL_SAI_TCR2 : FSL_SAI_RCR2) #define FSL_SAI_xCR3(tx) (tx ? FSL_SAI_TCR3 : FSL_SAI_RCR3) #define FSL_SAI_xCR4(tx) (tx ? FSL_SAI_TCR4 : FSL_SAI_RCR4) #define FSL_SAI_xCR5(tx) (tx ? FSL_SAI_TCR5 : FSL_SAI_RCR5) #define FSL_SAI_xDR(tx) (tx ? FSL_SAI_TDR : FSL_SAI_RDR) #define FSL_SAI_xFR(tx) (tx ? FSL_SAI_TFR : FSL_SAI_RFR) #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_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 0x1f /* 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_DIV_MASK 0xff /* SAI Transmit and Receive Configuration 3 Register */ #define FSL_SAI_CR3_TRCE BIT(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_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_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 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 { 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 sai_on_imx; bool synchronous[2]; unsigned int mclk_id[2]; unsigned int mclk_streams; struct snd_dmaengine_dai_dma_data dma_params_rx; struct snd_dmaengine_dai_dma_data dma_params_tx; }; #define TX 1 #define RX 0 #endif /* __FSL_SAI_H */