xref: /openbmc/linux/sound/soc/pxa/mmp-sspa.h (revision 55fd7e02)
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  * linux/sound/soc/pxa/mmp-sspa.h
4  *
5  * Copyright (C) 2011 Marvell International Ltd.
6  */
7 #ifndef _MMP_SSPA_H
8 #define _MMP_SSPA_H
9 
10 /*
11  * SSPA Registers
12  */
13 #define SSPA_D			(0x00)
14 #define SSPA_ID			(0x04)
15 #define SSPA_CTL		(0x08)
16 #define SSPA_SP			(0x0c)
17 #define SSPA_FIFO_UL		(0x10)
18 #define SSPA_INT_MASK		(0x14)
19 #define SSPA_C			(0x18)
20 #define SSPA_FIFO_NOFS		(0x1c)
21 #define SSPA_FIFO_SIZE		(0x20)
22 
23 /* SSPA Control Register */
24 #define	SSPA_CTL_XPH		(1 << 31)	/* Read Phase */
25 #define	SSPA_CTL_XFIG		(1 << 15)	/* Transmit Zeros when FIFO Empty */
26 #define	SSPA_CTL_JST		(1 << 3)	/* Audio Sample Justification */
27 #define	SSPA_CTL_XFRLEN2_MASK	(7 << 24)
28 #define	SSPA_CTL_XFRLEN2(x)	((x) << 24)	/* Transmit Frame Length in Phase 2 */
29 #define	SSPA_CTL_XWDLEN2_MASK	(7 << 21)
30 #define	SSPA_CTL_XWDLEN2(x)	((x) << 21)	/* Transmit Word Length in Phase 2 */
31 #define	SSPA_CTL_XDATDLY(x)	((x) << 19)	/* Transmit Data Delay */
32 #define	SSPA_CTL_XSSZ2_MASK	(7 << 16)
33 #define	SSPA_CTL_XSSZ2(x)	((x) << 16)	/* Transmit Sample Audio Size */
34 #define	SSPA_CTL_XFRLEN1_MASK	(7 << 8)
35 #define	SSPA_CTL_XFRLEN1(x)	((x) << 8)	/* Transmit Frame Length in Phase 1 */
36 #define	SSPA_CTL_XWDLEN1_MASK	(7 << 5)
37 #define	SSPA_CTL_XWDLEN1(x)	((x) << 5)	/* Transmit Word Length in Phase 1 */
38 #define	SSPA_CTL_XSSZ1_MASK	(7 << 0)
39 #define	SSPA_CTL_XSSZ1(x)	((x) << 0)	/* XSSZ1 */
40 
41 #define SSPA_CTL_8_BITS		(0x0)		/* Sample Size */
42 #define SSPA_CTL_12_BITS	(0x1)
43 #define SSPA_CTL_16_BITS	(0x2)
44 #define SSPA_CTL_20_BITS	(0x3)
45 #define SSPA_CTL_24_BITS	(0x4)
46 #define SSPA_CTL_32_BITS	(0x5)
47 
48 /* SSPA Serial Port Register */
49 #define	SSPA_SP_WEN		(1 << 31)	/* Write Configuration Enable */
50 #define	SSPA_SP_MSL		(1 << 18)	/* Master Slave Configuration */
51 #define	SSPA_SP_CLKP		(1 << 17)	/* CLKP Polarity Clock Edge Select */
52 #define	SSPA_SP_FSP		(1 << 16)	/* FSP Polarity Clock Edge Select */
53 #define	SSPA_SP_FFLUSH		(1 << 2)	/* FIFO Flush */
54 #define	SSPA_SP_S_RST		(1 << 1)	/* Active High Reset Signal */
55 #define	SSPA_SP_S_EN		(1 << 0)	/* Serial Clock Domain Enable */
56 #define	SSPA_SP_FWID_MASK	(0x3f << 20)
57 #define	SSPA_SP_FWID(x)		((x) << 20)	/* Frame-Sync Width */
58 #define	SSPA_TXSP_FPER_MASK	(0x3f << 4)
59 #define	SSPA_TXSP_FPER(x)	((x) << 4)	/* Frame-Sync Active */
60 
61 /* sspa clock sources */
62 #define MMP_SSPA_CLK_PLL	0
63 #define MMP_SSPA_CLK_VCXO	1
64 #define MMP_SSPA_CLK_AUDIO	3
65 
66 /* sspa pll id */
67 #define MMP_SYSCLK		0
68 #define MMP_SSPA_CLK		1
69 
70 #endif /* _MMP_SSPA_H */
71