| /* |
| * 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 _IMX_SSI_H |
| #define _IMX_SSI_H |
| |
| #define SSI_STX0 0x00 |
| #define SSI_STX1 0x04 |
| #define SSI_SRX0 0x08 |
| #define SSI_SRX1 0x0c |
| |
| #define SSI_SCR 0x10 |
| #define SSI_SCR_CLK_IST (1 << 9) |
| #define SSI_SCR_CLK_IST_SHIFT 9 |
| #define SSI_SCR_TCH_EN (1 << 8) |
| #define SSI_SCR_SYS_CLK_EN (1 << 7) |
| #define SSI_SCR_I2S_MODE_NORM (0 << 5) |
| #define SSI_SCR_I2S_MODE_MSTR (1 << 5) |
| #define SSI_SCR_I2S_MODE_SLAVE (2 << 5) |
| #define SSI_I2S_MODE_MASK (3 << 5) |
| #define SSI_SCR_SYN (1 << 4) |
| #define SSI_SCR_NET (1 << 3) |
| #define SSI_SCR_RE (1 << 2) |
| #define SSI_SCR_TE (1 << 1) |
| #define SSI_SCR_SSIEN (1 << 0) |
| |
| #define SSI_SISR 0x14 |
| #define SSI_SISR_MASK ((1 << 19) - 1) |
| #define SSI_SISR_CMDAU (1 << 18) |
| #define SSI_SISR_CMDDU (1 << 17) |
| #define SSI_SISR_RXT (1 << 16) |
| #define SSI_SISR_RDR1 (1 << 15) |
| #define SSI_SISR_RDR0 (1 << 14) |
| #define SSI_SISR_TDE1 (1 << 13) |
| #define SSI_SISR_TDE0 (1 << 12) |
| #define SSI_SISR_ROE1 (1 << 11) |
| #define SSI_SISR_ROE0 (1 << 10) |
| #define SSI_SISR_TUE1 (1 << 9) |
| #define SSI_SISR_TUE0 (1 << 8) |
| #define SSI_SISR_TFS (1 << 7) |
| #define SSI_SISR_RFS (1 << 6) |
| #define SSI_SISR_TLS (1 << 5) |
| #define SSI_SISR_RLS (1 << 4) |
| #define SSI_SISR_RFF1 (1 << 3) |
| #define SSI_SISR_RFF0 (1 << 2) |
| #define SSI_SISR_TFE1 (1 << 1) |
| #define SSI_SISR_TFE0 (1 << 0) |
| |
| #define SSI_SIER 0x18 |
| #define SSI_SIER_RDMAE (1 << 22) |
| #define SSI_SIER_RIE (1 << 21) |
| #define SSI_SIER_TDMAE (1 << 20) |
| #define SSI_SIER_TIE (1 << 19) |
| #define SSI_SIER_CMDAU_EN (1 << 18) |
| #define SSI_SIER_CMDDU_EN (1 << 17) |
| #define SSI_SIER_RXT_EN (1 << 16) |
| #define SSI_SIER_RDR1_EN (1 << 15) |
| #define SSI_SIER_RDR0_EN (1 << 14) |
| #define SSI_SIER_TDE1_EN (1 << 13) |
| #define SSI_SIER_TDE0_EN (1 << 12) |
| #define SSI_SIER_ROE1_EN (1 << 11) |
| #define SSI_SIER_ROE0_EN (1 << 10) |
| #define SSI_SIER_TUE1_EN (1 << 9) |
| #define SSI_SIER_TUE0_EN (1 << 8) |
| #define SSI_SIER_TFS_EN (1 << 7) |
| #define SSI_SIER_RFS_EN (1 << 6) |
| #define SSI_SIER_TLS_EN (1 << 5) |
| #define SSI_SIER_RLS_EN (1 << 4) |
| #define SSI_SIER_RFF1_EN (1 << 3) |
| #define SSI_SIER_RFF0_EN (1 << 2) |
| #define SSI_SIER_TFE1_EN (1 << 1) |
| #define SSI_SIER_TFE0_EN (1 << 0) |
| |
| #define SSI_STCR 0x1c |
| #define SSI_STCR_TXBIT0 (1 << 9) |
| #define SSI_STCR_TFEN1 (1 << 8) |
| #define SSI_STCR_TFEN0 (1 << 7) |
| #define SSI_FIFO_ENABLE_0_SHIFT 7 |
| #define SSI_STCR_TFDIR (1 << 6) |
| #define SSI_STCR_TXDIR (1 << 5) |
| #define SSI_STCR_TSHFD (1 << 4) |
| #define SSI_STCR_TSCKP (1 << 3) |
| #define SSI_STCR_TFSI (1 << 2) |
| #define SSI_STCR_TFSL (1 << 1) |
| #define SSI_STCR_TEFS (1 << 0) |
| |
| #define SSI_SRCR 0x20 |
| #define SSI_SRCR_RXBIT0 (1 << 9) |
| #define SSI_SRCR_RFEN1 (1 << 8) |
| #define SSI_SRCR_RFEN0 (1 << 7) |
| #define SSI_FIFO_ENABLE_0_SHIFT 7 |
| #define SSI_SRCR_RFDIR (1 << 6) |
| #define SSI_SRCR_RXDIR (1 << 5) |
| #define SSI_SRCR_RSHFD (1 << 4) |
| #define SSI_SRCR_RSCKP (1 << 3) |
| #define SSI_SRCR_RFSI (1 << 2) |
| #define SSI_SRCR_RFSL (1 << 1) |
| #define SSI_SRCR_REFS (1 << 0) |
| |
| #define SSI_SRCCR 0x28 |
| #define SSI_SRCCR_DIV2 (1 << 18) |
| #define SSI_SRCCR_PSR (1 << 17) |
| #define SSI_SRCCR_WL(x) ((((x) - 2) >> 1) << 13) |
| #define SSI_SRCCR_DC(x) (((x) & 0x1f) << 8) |
| #define SSI_SRCCR_PM(x) (((x) & 0xff) << 0) |
| #define SSI_SRCCR_WL_MASK (0xf << 13) |
| #define SSI_SRCCR_DC_MASK (0x1f << 8) |
| #define SSI_SRCCR_PM_MASK (0xff << 0) |
| |
| #define SSI_STCCR 0x24 |
| #define SSI_STCCR_DIV2 (1 << 18) |
| #define SSI_STCCR_PSR (1 << 17) |
| #define SSI_STCCR_WL(x) ((((x) - 2) >> 1) << 13) |
| #define SSI_STCCR_DC(x) (((x) & 0x1f) << 8) |
| #define SSI_STCCR_PM(x) (((x) & 0xff) << 0) |
| #define SSI_STCCR_WL_MASK (0xf << 13) |
| #define SSI_STCCR_DC_MASK (0x1f << 8) |
| #define SSI_STCCR_PM_MASK (0xff << 0) |
| |
| #define SSI_SFCSR 0x2c |
| #define SSI_SFCSR_RFCNT1(x) (((x) & 0xf) << 28) |
| #define SSI_RX_FIFO_1_COUNT_SHIFT 28 |
| #define SSI_SFCSR_TFCNT1(x) (((x) & 0xf) << 24) |
| #define SSI_TX_FIFO_1_COUNT_SHIFT 24 |
| #define SSI_SFCSR_RFWM1(x) (((x) & 0xf) << 20) |
| #define SSI_SFCSR_TFWM1(x) (((x) & 0xf) << 16) |
| #define SSI_SFCSR_RFCNT0(x) (((x) & 0xf) << 12) |
| #define SSI_RX_FIFO_0_COUNT_SHIFT 12 |
| #define SSI_SFCSR_TFCNT0(x) (((x) & 0xf) << 8) |
| #define SSI_TX_FIFO_0_COUNT_SHIFT 8 |
| #define SSI_SFCSR_RFWM0(x) (((x) & 0xf) << 4) |
| #define SSI_SFCSR_TFWM0(x) (((x) & 0xf) << 0) |
| #define SSI_SFCSR_RFWM0_MASK (0xf << 4) |
| #define SSI_SFCSR_TFWM0_MASK (0xf << 0) |
| |
| #define SSI_STR 0x30 |
| #define SSI_STR_TEST (1 << 15) |
| #define SSI_STR_RCK2TCK (1 << 14) |
| #define SSI_STR_RFS2TFS (1 << 13) |
| #define SSI_STR_RXSTATE(x) (((x) & 0xf) << 8) |
| #define SSI_STR_TXD2RXD (1 << 7) |
| #define SSI_STR_TCK2RCK (1 << 6) |
| #define SSI_STR_TFS2RFS (1 << 5) |
| #define SSI_STR_TXSTATE(x) (((x) & 0xf) << 0) |
| |
| #define SSI_SOR 0x34 |
| #define SSI_SOR_CLKOFF (1 << 6) |
| #define SSI_SOR_RX_CLR (1 << 5) |
| #define SSI_SOR_TX_CLR (1 << 4) |
| #define SSI_SOR_INIT (1 << 3) |
| #define SSI_SOR_WAIT(x) (((x) & 0x3) << 1) |
| #define SSI_SOR_WAIT_MASK (0x3 << 1) |
| #define SSI_SOR_SYNRST (1 << 0) |
| |
| #define SSI_SACNT 0x38 |
| #define SSI_SACNT_FRDIV(x) (((x) & 0x3f) << 5) |
| #define SSI_SACNT_WR (1 << 4) |
| #define SSI_SACNT_RD (1 << 3) |
| #define SSI_SACNT_TIF (1 << 2) |
| #define SSI_SACNT_FV (1 << 1) |
| #define SSI_SACNT_AC97EN (1 << 0) |
| |
| #define SSI_SACADD 0x3c |
| #define SSI_SACDAT 0x40 |
| #define SSI_SATAG 0x44 |
| #define SSI_STMSK 0x48 |
| #define SSI_SRMSK 0x4c |
| #define SSI_SACCST 0x50 |
| #define SSI_SACCEN 0x54 |
| #define SSI_SACCDIS 0x58 |
| |
| /* SSI clock sources */ |
| #define IMX_SSP_SYS_CLK 0 |
| |
| /* SSI audio dividers */ |
| #define IMX_SSI_TX_DIV_2 0 |
| #define IMX_SSI_TX_DIV_PSR 1 |
| #define IMX_SSI_TX_DIV_PM 2 |
| #define IMX_SSI_RX_DIV_2 3 |
| #define IMX_SSI_RX_DIV_PSR 4 |
| #define IMX_SSI_RX_DIV_PM 5 |
| |
| #define DRV_NAME "imx-ssi" |
| |
| #include <linux/dmaengine.h> |
| #include <linux/platform_data/dma-imx.h> |
| #include <sound/dmaengine_pcm.h> |
| #include "imx-pcm.h" |
| |
| struct imx_ssi { |
| struct platform_device *ac97_dev; |
| |
| struct snd_soc_dai *imx_ac97; |
| struct clk *clk; |
| void __iomem *base; |
| int irq; |
| int fiq_enable; |
| unsigned int offset; |
| |
| unsigned int flags; |
| |
| void (*ac97_reset) (struct snd_ac97 *ac97); |
| void (*ac97_warm_reset)(struct snd_ac97 *ac97); |
| |
| struct snd_dmaengine_dai_dma_data dma_params_rx; |
| struct snd_dmaengine_dai_dma_data dma_params_tx; |
| struct imx_dma_data filter_data_tx; |
| struct imx_dma_data filter_data_rx; |
| struct imx_pcm_fiq_params fiq_params; |
| |
| int fiq_init; |
| int dma_init; |
| }; |
| |
| #endif /* _IMX_SSI_H */ |
