162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */
262306a36Sopenharmony_ci
362306a36Sopenharmony_ci#ifndef _IMX_SSI_H
462306a36Sopenharmony_ci#define _IMX_SSI_H
562306a36Sopenharmony_ci
662306a36Sopenharmony_ci#define SSI_STX0	0x00
762306a36Sopenharmony_ci#define SSI_STX1	0x04
862306a36Sopenharmony_ci#define SSI_SRX0	0x08
962306a36Sopenharmony_ci#define SSI_SRX1	0x0c
1062306a36Sopenharmony_ci
1162306a36Sopenharmony_ci#define SSI_SCR		0x10
1262306a36Sopenharmony_ci#define SSI_SCR_CLK_IST		(1 << 9)
1362306a36Sopenharmony_ci#define SSI_SCR_CLK_IST_SHIFT	9
1462306a36Sopenharmony_ci#define SSI_SCR_TCH_EN		(1 << 8)
1562306a36Sopenharmony_ci#define SSI_SCR_SYS_CLK_EN	(1 << 7)
1662306a36Sopenharmony_ci#define SSI_SCR_I2S_MODE_NORM	(0 << 5)
1762306a36Sopenharmony_ci#define SSI_SCR_I2S_MODE_MSTR	(1 << 5)
1862306a36Sopenharmony_ci#define SSI_SCR_I2S_MODE_SLAVE	(2 << 5)
1962306a36Sopenharmony_ci#define SSI_I2S_MODE_MASK	(3 << 5)
2062306a36Sopenharmony_ci#define SSI_SCR_SYN		(1 << 4)
2162306a36Sopenharmony_ci#define SSI_SCR_NET		(1 << 3)
2262306a36Sopenharmony_ci#define SSI_SCR_RE		(1 << 2)
2362306a36Sopenharmony_ci#define SSI_SCR_TE		(1 << 1)
2462306a36Sopenharmony_ci#define SSI_SCR_SSIEN		(1 << 0)
2562306a36Sopenharmony_ci
2662306a36Sopenharmony_ci#define SSI_SISR	0x14
2762306a36Sopenharmony_ci#define SSI_SISR_MASK		((1 << 19) - 1)
2862306a36Sopenharmony_ci#define SSI_SISR_CMDAU		(1 << 18)
2962306a36Sopenharmony_ci#define SSI_SISR_CMDDU		(1 << 17)
3062306a36Sopenharmony_ci#define SSI_SISR_RXT		(1 << 16)
3162306a36Sopenharmony_ci#define SSI_SISR_RDR1		(1 << 15)
3262306a36Sopenharmony_ci#define SSI_SISR_RDR0		(1 << 14)
3362306a36Sopenharmony_ci#define SSI_SISR_TDE1		(1 << 13)
3462306a36Sopenharmony_ci#define SSI_SISR_TDE0		(1 << 12)
3562306a36Sopenharmony_ci#define SSI_SISR_ROE1		(1 << 11)
3662306a36Sopenharmony_ci#define SSI_SISR_ROE0		(1 << 10)
3762306a36Sopenharmony_ci#define SSI_SISR_TUE1		(1 << 9)
3862306a36Sopenharmony_ci#define SSI_SISR_TUE0		(1 << 8)
3962306a36Sopenharmony_ci#define SSI_SISR_TFS		(1 << 7)
4062306a36Sopenharmony_ci#define SSI_SISR_RFS		(1 << 6)
4162306a36Sopenharmony_ci#define SSI_SISR_TLS		(1 << 5)
4262306a36Sopenharmony_ci#define SSI_SISR_RLS		(1 << 4)
4362306a36Sopenharmony_ci#define SSI_SISR_RFF1		(1 << 3)
4462306a36Sopenharmony_ci#define SSI_SISR_RFF0		(1 << 2)
4562306a36Sopenharmony_ci#define SSI_SISR_TFE1		(1 << 1)
4662306a36Sopenharmony_ci#define SSI_SISR_TFE0		(1 << 0)
4762306a36Sopenharmony_ci
4862306a36Sopenharmony_ci#define SSI_SIER	0x18
4962306a36Sopenharmony_ci#define SSI_SIER_RDMAE		(1 << 22)
5062306a36Sopenharmony_ci#define SSI_SIER_RIE		(1 << 21)
5162306a36Sopenharmony_ci#define SSI_SIER_TDMAE		(1 << 20)
5262306a36Sopenharmony_ci#define SSI_SIER_TIE		(1 << 19)
5362306a36Sopenharmony_ci#define SSI_SIER_CMDAU_EN	(1 << 18)
5462306a36Sopenharmony_ci#define SSI_SIER_CMDDU_EN	(1 << 17)
5562306a36Sopenharmony_ci#define SSI_SIER_RXT_EN		(1 << 16)
5662306a36Sopenharmony_ci#define SSI_SIER_RDR1_EN	(1 << 15)
5762306a36Sopenharmony_ci#define SSI_SIER_RDR0_EN	(1 << 14)
5862306a36Sopenharmony_ci#define SSI_SIER_TDE1_EN	(1 << 13)
5962306a36Sopenharmony_ci#define SSI_SIER_TDE0_EN	(1 << 12)
6062306a36Sopenharmony_ci#define SSI_SIER_ROE1_EN	(1 << 11)
6162306a36Sopenharmony_ci#define SSI_SIER_ROE0_EN	(1 << 10)
6262306a36Sopenharmony_ci#define SSI_SIER_TUE1_EN	(1 << 9)
6362306a36Sopenharmony_ci#define SSI_SIER_TUE0_EN	(1 << 8)
6462306a36Sopenharmony_ci#define SSI_SIER_TFS_EN		(1 << 7)
6562306a36Sopenharmony_ci#define SSI_SIER_RFS_EN		(1 << 6)
6662306a36Sopenharmony_ci#define SSI_SIER_TLS_EN		(1 << 5)
6762306a36Sopenharmony_ci#define SSI_SIER_RLS_EN		(1 << 4)
6862306a36Sopenharmony_ci#define SSI_SIER_RFF1_EN	(1 << 3)
6962306a36Sopenharmony_ci#define SSI_SIER_RFF0_EN	(1 << 2)
7062306a36Sopenharmony_ci#define SSI_SIER_TFE1_EN	(1 << 1)
7162306a36Sopenharmony_ci#define SSI_SIER_TFE0_EN	(1 << 0)
7262306a36Sopenharmony_ci
7362306a36Sopenharmony_ci#define SSI_STCR	0x1c
7462306a36Sopenharmony_ci#define SSI_STCR_TXBIT0		(1 << 9)
7562306a36Sopenharmony_ci#define SSI_STCR_TFEN1		(1 << 8)
7662306a36Sopenharmony_ci#define SSI_STCR_TFEN0		(1 << 7)
7762306a36Sopenharmony_ci#define SSI_FIFO_ENABLE_0_SHIFT 7
7862306a36Sopenharmony_ci#define SSI_STCR_TFDIR		(1 << 6)
7962306a36Sopenharmony_ci#define SSI_STCR_TXDIR		(1 << 5)
8062306a36Sopenharmony_ci#define SSI_STCR_TSHFD		(1 << 4)
8162306a36Sopenharmony_ci#define SSI_STCR_TSCKP		(1 << 3)
8262306a36Sopenharmony_ci#define SSI_STCR_TFSI		(1 << 2)
8362306a36Sopenharmony_ci#define SSI_STCR_TFSL		(1 << 1)
8462306a36Sopenharmony_ci#define SSI_STCR_TEFS		(1 << 0)
8562306a36Sopenharmony_ci
8662306a36Sopenharmony_ci#define SSI_SRCR	0x20
8762306a36Sopenharmony_ci#define SSI_SRCR_RXBIT0		(1 << 9)
8862306a36Sopenharmony_ci#define SSI_SRCR_RFEN1		(1 << 8)
8962306a36Sopenharmony_ci#define SSI_SRCR_RFEN0		(1 << 7)
9062306a36Sopenharmony_ci#define SSI_FIFO_ENABLE_0_SHIFT 7
9162306a36Sopenharmony_ci#define SSI_SRCR_RFDIR		(1 << 6)
9262306a36Sopenharmony_ci#define SSI_SRCR_RXDIR		(1 << 5)
9362306a36Sopenharmony_ci#define SSI_SRCR_RSHFD		(1 << 4)
9462306a36Sopenharmony_ci#define SSI_SRCR_RSCKP		(1 << 3)
9562306a36Sopenharmony_ci#define SSI_SRCR_RFSI		(1 << 2)
9662306a36Sopenharmony_ci#define SSI_SRCR_RFSL		(1 << 1)
9762306a36Sopenharmony_ci#define SSI_SRCR_REFS		(1 << 0)
9862306a36Sopenharmony_ci
9962306a36Sopenharmony_ci#define SSI_SRCCR		0x28
10062306a36Sopenharmony_ci#define SSI_SRCCR_DIV2		(1 << 18)
10162306a36Sopenharmony_ci#define SSI_SRCCR_PSR		(1 << 17)
10262306a36Sopenharmony_ci#define SSI_SRCCR_WL(x)		((((x) - 2) >> 1) << 13)
10362306a36Sopenharmony_ci#define SSI_SRCCR_DC(x)		(((x) & 0x1f) << 8)
10462306a36Sopenharmony_ci#define SSI_SRCCR_PM(x)		(((x) & 0xff) << 0)
10562306a36Sopenharmony_ci#define SSI_SRCCR_WL_MASK	(0xf << 13)
10662306a36Sopenharmony_ci#define SSI_SRCCR_DC_MASK	(0x1f << 8)
10762306a36Sopenharmony_ci#define SSI_SRCCR_PM_MASK	(0xff << 0)
10862306a36Sopenharmony_ci
10962306a36Sopenharmony_ci#define SSI_STCCR		0x24
11062306a36Sopenharmony_ci#define SSI_STCCR_DIV2		(1 << 18)
11162306a36Sopenharmony_ci#define SSI_STCCR_PSR		(1 << 17)
11262306a36Sopenharmony_ci#define SSI_STCCR_WL(x)		((((x) - 2) >> 1) << 13)
11362306a36Sopenharmony_ci#define SSI_STCCR_DC(x)		(((x) & 0x1f) << 8)
11462306a36Sopenharmony_ci#define SSI_STCCR_PM(x)		(((x) & 0xff) << 0)
11562306a36Sopenharmony_ci#define SSI_STCCR_WL_MASK	(0xf << 13)
11662306a36Sopenharmony_ci#define SSI_STCCR_DC_MASK	(0x1f << 8)
11762306a36Sopenharmony_ci#define SSI_STCCR_PM_MASK	(0xff << 0)
11862306a36Sopenharmony_ci
11962306a36Sopenharmony_ci#define SSI_SFCSR	0x2c
12062306a36Sopenharmony_ci#define SSI_SFCSR_RFCNT1(x)	(((x) & 0xf) << 28)
12162306a36Sopenharmony_ci#define SSI_RX_FIFO_1_COUNT_SHIFT 28
12262306a36Sopenharmony_ci#define SSI_SFCSR_TFCNT1(x)	(((x) & 0xf) << 24)
12362306a36Sopenharmony_ci#define SSI_TX_FIFO_1_COUNT_SHIFT 24
12462306a36Sopenharmony_ci#define SSI_SFCSR_RFWM1(x)	(((x) & 0xf) << 20)
12562306a36Sopenharmony_ci#define SSI_SFCSR_TFWM1(x)	(((x) & 0xf) << 16)
12662306a36Sopenharmony_ci#define SSI_SFCSR_RFCNT0(x)	(((x) & 0xf) << 12)
12762306a36Sopenharmony_ci#define SSI_RX_FIFO_0_COUNT_SHIFT 12
12862306a36Sopenharmony_ci#define SSI_SFCSR_TFCNT0(x)	(((x) & 0xf) <<  8)
12962306a36Sopenharmony_ci#define SSI_TX_FIFO_0_COUNT_SHIFT 8
13062306a36Sopenharmony_ci#define SSI_SFCSR_RFWM0(x)	(((x) & 0xf) <<  4)
13162306a36Sopenharmony_ci#define SSI_SFCSR_TFWM0(x)	(((x) & 0xf) <<  0)
13262306a36Sopenharmony_ci#define SSI_SFCSR_RFWM0_MASK	(0xf <<  4)
13362306a36Sopenharmony_ci#define SSI_SFCSR_TFWM0_MASK	(0xf <<  0)
13462306a36Sopenharmony_ci
13562306a36Sopenharmony_ci#define SSI_STR		0x30
13662306a36Sopenharmony_ci#define SSI_STR_TEST		(1 << 15)
13762306a36Sopenharmony_ci#define SSI_STR_RCK2TCK		(1 << 14)
13862306a36Sopenharmony_ci#define SSI_STR_RFS2TFS		(1 << 13)
13962306a36Sopenharmony_ci#define SSI_STR_RXSTATE(x)	(((x) & 0xf) << 8)
14062306a36Sopenharmony_ci#define SSI_STR_TXD2RXD		(1 <<  7)
14162306a36Sopenharmony_ci#define SSI_STR_TCK2RCK		(1 <<  6)
14262306a36Sopenharmony_ci#define SSI_STR_TFS2RFS		(1 <<  5)
14362306a36Sopenharmony_ci#define SSI_STR_TXSTATE(x)	(((x) & 0xf) << 0)
14462306a36Sopenharmony_ci
14562306a36Sopenharmony_ci#define SSI_SOR		0x34
14662306a36Sopenharmony_ci#define SSI_SOR_CLKOFF		(1 << 6)
14762306a36Sopenharmony_ci#define SSI_SOR_RX_CLR		(1 << 5)
14862306a36Sopenharmony_ci#define SSI_SOR_TX_CLR		(1 << 4)
14962306a36Sopenharmony_ci#define SSI_SOR_INIT		(1 << 3)
15062306a36Sopenharmony_ci#define SSI_SOR_WAIT(x)		(((x) & 0x3) << 1)
15162306a36Sopenharmony_ci#define SSI_SOR_WAIT_MASK	(0x3 << 1)
15262306a36Sopenharmony_ci#define SSI_SOR_SYNRST		(1 << 0)
15362306a36Sopenharmony_ci
15462306a36Sopenharmony_ci#define SSI_SACNT	0x38
15562306a36Sopenharmony_ci#define SSI_SACNT_FRDIV(x)	(((x) & 0x3f) << 5)
15662306a36Sopenharmony_ci#define SSI_SACNT_WR		(1 << 4)
15762306a36Sopenharmony_ci#define SSI_SACNT_RD		(1 << 3)
15862306a36Sopenharmony_ci#define SSI_SACNT_TIF		(1 << 2)
15962306a36Sopenharmony_ci#define SSI_SACNT_FV		(1 << 1)
16062306a36Sopenharmony_ci#define SSI_SACNT_AC97EN	(1 << 0)
16162306a36Sopenharmony_ci
16262306a36Sopenharmony_ci#define SSI_SACADD	0x3c
16362306a36Sopenharmony_ci#define SSI_SACDAT	0x40
16462306a36Sopenharmony_ci#define SSI_SATAG	0x44
16562306a36Sopenharmony_ci#define SSI_STMSK	0x48
16662306a36Sopenharmony_ci#define SSI_SRMSK	0x4c
16762306a36Sopenharmony_ci#define SSI_SACCST	0x50
16862306a36Sopenharmony_ci#define SSI_SACCEN	0x54
16962306a36Sopenharmony_ci#define SSI_SACCDIS	0x58
17062306a36Sopenharmony_ci
17162306a36Sopenharmony_ci/* SSI clock sources */
17262306a36Sopenharmony_ci#define IMX_SSP_SYS_CLK		0
17362306a36Sopenharmony_ci
17462306a36Sopenharmony_ci/* SSI audio dividers */
17562306a36Sopenharmony_ci#define IMX_SSI_TX_DIV_2	0
17662306a36Sopenharmony_ci#define IMX_SSI_TX_DIV_PSR	1
17762306a36Sopenharmony_ci#define IMX_SSI_TX_DIV_PM	2
17862306a36Sopenharmony_ci#define IMX_SSI_RX_DIV_2	3
17962306a36Sopenharmony_ci#define IMX_SSI_RX_DIV_PSR	4
18062306a36Sopenharmony_ci#define IMX_SSI_RX_DIV_PM	5
18162306a36Sopenharmony_ci
18262306a36Sopenharmony_ci#define DRV_NAME "imx-ssi"
18362306a36Sopenharmony_ci
18462306a36Sopenharmony_ci#include <linux/dmaengine.h>
18562306a36Sopenharmony_ci#include <linux/dma/imx-dma.h>
18662306a36Sopenharmony_ci#include <sound/dmaengine_pcm.h>
18762306a36Sopenharmony_ci#include "imx-pcm.h"
18862306a36Sopenharmony_ci
18962306a36Sopenharmony_cistruct imx_ssi {
19062306a36Sopenharmony_ci	struct platform_device *ac97_dev;
19162306a36Sopenharmony_ci
19262306a36Sopenharmony_ci	struct snd_soc_dai *imx_ac97;
19362306a36Sopenharmony_ci	struct clk *clk;
19462306a36Sopenharmony_ci	void __iomem *base;
19562306a36Sopenharmony_ci	int irq;
19662306a36Sopenharmony_ci	int fiq_enable;
19762306a36Sopenharmony_ci	unsigned int offset;
19862306a36Sopenharmony_ci
19962306a36Sopenharmony_ci	unsigned int flags;
20062306a36Sopenharmony_ci
20162306a36Sopenharmony_ci	void (*ac97_reset) (struct snd_ac97 *ac97);
20262306a36Sopenharmony_ci	void (*ac97_warm_reset)(struct snd_ac97 *ac97);
20362306a36Sopenharmony_ci
20462306a36Sopenharmony_ci	struct snd_dmaengine_dai_dma_data dma_params_rx;
20562306a36Sopenharmony_ci	struct snd_dmaengine_dai_dma_data dma_params_tx;
20662306a36Sopenharmony_ci	struct imx_dma_data filter_data_tx;
20762306a36Sopenharmony_ci	struct imx_dma_data filter_data_rx;
20862306a36Sopenharmony_ci	struct imx_pcm_fiq_params fiq_params;
20962306a36Sopenharmony_ci
21062306a36Sopenharmony_ci	int fiq_init;
21162306a36Sopenharmony_ci	int dma_init;
21262306a36Sopenharmony_ci};
21362306a36Sopenharmony_ci
21462306a36Sopenharmony_ci#endif /* _IMX_SSI_H */
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