imx-ssi.h (6173B)
1/* SPDX-License-Identifier: GPL-2.0 */ 2 3#ifndef _IMX_SSI_H 4#define _IMX_SSI_H 5 6#define SSI_STX0 0x00 7#define SSI_STX1 0x04 8#define SSI_SRX0 0x08 9#define SSI_SRX1 0x0c 10 11#define SSI_SCR 0x10 12#define SSI_SCR_CLK_IST (1 << 9) 13#define SSI_SCR_CLK_IST_SHIFT 9 14#define SSI_SCR_TCH_EN (1 << 8) 15#define SSI_SCR_SYS_CLK_EN (1 << 7) 16#define SSI_SCR_I2S_MODE_NORM (0 << 5) 17#define SSI_SCR_I2S_MODE_MSTR (1 << 5) 18#define SSI_SCR_I2S_MODE_SLAVE (2 << 5) 19#define SSI_I2S_MODE_MASK (3 << 5) 20#define SSI_SCR_SYN (1 << 4) 21#define SSI_SCR_NET (1 << 3) 22#define SSI_SCR_RE (1 << 2) 23#define SSI_SCR_TE (1 << 1) 24#define SSI_SCR_SSIEN (1 << 0) 25 26#define SSI_SISR 0x14 27#define SSI_SISR_MASK ((1 << 19) - 1) 28#define SSI_SISR_CMDAU (1 << 18) 29#define SSI_SISR_CMDDU (1 << 17) 30#define SSI_SISR_RXT (1 << 16) 31#define SSI_SISR_RDR1 (1 << 15) 32#define SSI_SISR_RDR0 (1 << 14) 33#define SSI_SISR_TDE1 (1 << 13) 34#define SSI_SISR_TDE0 (1 << 12) 35#define SSI_SISR_ROE1 (1 << 11) 36#define SSI_SISR_ROE0 (1 << 10) 37#define SSI_SISR_TUE1 (1 << 9) 38#define SSI_SISR_TUE0 (1 << 8) 39#define SSI_SISR_TFS (1 << 7) 40#define SSI_SISR_RFS (1 << 6) 41#define SSI_SISR_TLS (1 << 5) 42#define SSI_SISR_RLS (1 << 4) 43#define SSI_SISR_RFF1 (1 << 3) 44#define SSI_SISR_RFF0 (1 << 2) 45#define SSI_SISR_TFE1 (1 << 1) 46#define SSI_SISR_TFE0 (1 << 0) 47 48#define SSI_SIER 0x18 49#define SSI_SIER_RDMAE (1 << 22) 50#define SSI_SIER_RIE (1 << 21) 51#define SSI_SIER_TDMAE (1 << 20) 52#define SSI_SIER_TIE (1 << 19) 53#define SSI_SIER_CMDAU_EN (1 << 18) 54#define SSI_SIER_CMDDU_EN (1 << 17) 55#define SSI_SIER_RXT_EN (1 << 16) 56#define SSI_SIER_RDR1_EN (1 << 15) 57#define SSI_SIER_RDR0_EN (1 << 14) 58#define SSI_SIER_TDE1_EN (1 << 13) 59#define SSI_SIER_TDE0_EN (1 << 12) 60#define SSI_SIER_ROE1_EN (1 << 11) 61#define SSI_SIER_ROE0_EN (1 << 10) 62#define SSI_SIER_TUE1_EN (1 << 9) 63#define SSI_SIER_TUE0_EN (1 << 8) 64#define SSI_SIER_TFS_EN (1 << 7) 65#define SSI_SIER_RFS_EN (1 << 6) 66#define SSI_SIER_TLS_EN (1 << 5) 67#define SSI_SIER_RLS_EN (1 << 4) 68#define SSI_SIER_RFF1_EN (1 << 3) 69#define SSI_SIER_RFF0_EN (1 << 2) 70#define SSI_SIER_TFE1_EN (1 << 1) 71#define SSI_SIER_TFE0_EN (1 << 0) 72 73#define SSI_STCR 0x1c 74#define SSI_STCR_TXBIT0 (1 << 9) 75#define SSI_STCR_TFEN1 (1 << 8) 76#define SSI_STCR_TFEN0 (1 << 7) 77#define SSI_FIFO_ENABLE_0_SHIFT 7 78#define SSI_STCR_TFDIR (1 << 6) 79#define SSI_STCR_TXDIR (1 << 5) 80#define SSI_STCR_TSHFD (1 << 4) 81#define SSI_STCR_TSCKP (1 << 3) 82#define SSI_STCR_TFSI (1 << 2) 83#define SSI_STCR_TFSL (1 << 1) 84#define SSI_STCR_TEFS (1 << 0) 85 86#define SSI_SRCR 0x20 87#define SSI_SRCR_RXBIT0 (1 << 9) 88#define SSI_SRCR_RFEN1 (1 << 8) 89#define SSI_SRCR_RFEN0 (1 << 7) 90#define SSI_FIFO_ENABLE_0_SHIFT 7 91#define SSI_SRCR_RFDIR (1 << 6) 92#define SSI_SRCR_RXDIR (1 << 5) 93#define SSI_SRCR_RSHFD (1 << 4) 94#define SSI_SRCR_RSCKP (1 << 3) 95#define SSI_SRCR_RFSI (1 << 2) 96#define SSI_SRCR_RFSL (1 << 1) 97#define SSI_SRCR_REFS (1 << 0) 98 99#define SSI_SRCCR 0x28 100#define SSI_SRCCR_DIV2 (1 << 18) 101#define SSI_SRCCR_PSR (1 << 17) 102#define SSI_SRCCR_WL(x) ((((x) - 2) >> 1) << 13) 103#define SSI_SRCCR_DC(x) (((x) & 0x1f) << 8) 104#define SSI_SRCCR_PM(x) (((x) & 0xff) << 0) 105#define SSI_SRCCR_WL_MASK (0xf << 13) 106#define SSI_SRCCR_DC_MASK (0x1f << 8) 107#define SSI_SRCCR_PM_MASK (0xff << 0) 108 109#define SSI_STCCR 0x24 110#define SSI_STCCR_DIV2 (1 << 18) 111#define SSI_STCCR_PSR (1 << 17) 112#define SSI_STCCR_WL(x) ((((x) - 2) >> 1) << 13) 113#define SSI_STCCR_DC(x) (((x) & 0x1f) << 8) 114#define SSI_STCCR_PM(x) (((x) & 0xff) << 0) 115#define SSI_STCCR_WL_MASK (0xf << 13) 116#define SSI_STCCR_DC_MASK (0x1f << 8) 117#define SSI_STCCR_PM_MASK (0xff << 0) 118 119#define SSI_SFCSR 0x2c 120#define SSI_SFCSR_RFCNT1(x) (((x) & 0xf) << 28) 121#define SSI_RX_FIFO_1_COUNT_SHIFT 28 122#define SSI_SFCSR_TFCNT1(x) (((x) & 0xf) << 24) 123#define SSI_TX_FIFO_1_COUNT_SHIFT 24 124#define SSI_SFCSR_RFWM1(x) (((x) & 0xf) << 20) 125#define SSI_SFCSR_TFWM1(x) (((x) & 0xf) << 16) 126#define SSI_SFCSR_RFCNT0(x) (((x) & 0xf) << 12) 127#define SSI_RX_FIFO_0_COUNT_SHIFT 12 128#define SSI_SFCSR_TFCNT0(x) (((x) & 0xf) << 8) 129#define SSI_TX_FIFO_0_COUNT_SHIFT 8 130#define SSI_SFCSR_RFWM0(x) (((x) & 0xf) << 4) 131#define SSI_SFCSR_TFWM0(x) (((x) & 0xf) << 0) 132#define SSI_SFCSR_RFWM0_MASK (0xf << 4) 133#define SSI_SFCSR_TFWM0_MASK (0xf << 0) 134 135#define SSI_STR 0x30 136#define SSI_STR_TEST (1 << 15) 137#define SSI_STR_RCK2TCK (1 << 14) 138#define SSI_STR_RFS2TFS (1 << 13) 139#define SSI_STR_RXSTATE(x) (((x) & 0xf) << 8) 140#define SSI_STR_TXD2RXD (1 << 7) 141#define SSI_STR_TCK2RCK (1 << 6) 142#define SSI_STR_TFS2RFS (1 << 5) 143#define SSI_STR_TXSTATE(x) (((x) & 0xf) << 0) 144 145#define SSI_SOR 0x34 146#define SSI_SOR_CLKOFF (1 << 6) 147#define SSI_SOR_RX_CLR (1 << 5) 148#define SSI_SOR_TX_CLR (1 << 4) 149#define SSI_SOR_INIT (1 << 3) 150#define SSI_SOR_WAIT(x) (((x) & 0x3) << 1) 151#define SSI_SOR_WAIT_MASK (0x3 << 1) 152#define SSI_SOR_SYNRST (1 << 0) 153 154#define SSI_SACNT 0x38 155#define SSI_SACNT_FRDIV(x) (((x) & 0x3f) << 5) 156#define SSI_SACNT_WR (1 << 4) 157#define SSI_SACNT_RD (1 << 3) 158#define SSI_SACNT_TIF (1 << 2) 159#define SSI_SACNT_FV (1 << 1) 160#define SSI_SACNT_AC97EN (1 << 0) 161 162#define SSI_SACADD 0x3c 163#define SSI_SACDAT 0x40 164#define SSI_SATAG 0x44 165#define SSI_STMSK 0x48 166#define SSI_SRMSK 0x4c 167#define SSI_SACCST 0x50 168#define SSI_SACCEN 0x54 169#define SSI_SACCDIS 0x58 170 171/* SSI clock sources */ 172#define IMX_SSP_SYS_CLK 0 173 174/* SSI audio dividers */ 175#define IMX_SSI_TX_DIV_2 0 176#define IMX_SSI_TX_DIV_PSR 1 177#define IMX_SSI_TX_DIV_PM 2 178#define IMX_SSI_RX_DIV_2 3 179#define IMX_SSI_RX_DIV_PSR 4 180#define IMX_SSI_RX_DIV_PM 5 181 182#define DRV_NAME "imx-ssi" 183 184#include <linux/dmaengine.h> 185#include <linux/dma/imx-dma.h> 186#include <sound/dmaengine_pcm.h> 187#include "imx-pcm.h" 188 189struct imx_ssi { 190 struct platform_device *ac97_dev; 191 192 struct snd_soc_dai *imx_ac97; 193 struct clk *clk; 194 void __iomem *base; 195 int irq; 196 int fiq_enable; 197 unsigned int offset; 198 199 unsigned int flags; 200 201 void (*ac97_reset) (struct snd_ac97 *ac97); 202 void (*ac97_warm_reset)(struct snd_ac97 *ac97); 203 204 struct snd_dmaengine_dai_dma_data dma_params_rx; 205 struct snd_dmaengine_dai_dma_data dma_params_tx; 206 struct imx_dma_data filter_data_tx; 207 struct imx_dma_data filter_data_rx; 208 struct imx_pcm_fiq_params fiq_params; 209 210 int fiq_init; 211 int dma_init; 212}; 213 214#endif /* _IMX_SSI_H */