xref: /openbmc/linux/sound/soc/pxa/mmp-sspa.h (revision b8d312aa)
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_RXD		(0x00)
14 #define SSPA_RXID		(0x04)
15 #define SSPA_RXCTL		(0x08)
16 #define SSPA_RXSP		(0x0c)
17 #define SSPA_RXFIFO_UL		(0x10)
18 #define SSPA_RXINT_MASK		(0x14)
19 #define SSPA_RXC		(0x18)
20 #define SSPA_RXFIFO_NOFS	(0x1c)
21 #define SSPA_RXFIFO_SIZE	(0x20)
22 
23 #define SSPA_TXD		(0x80)
24 #define SSPA_TXID		(0x84)
25 #define SSPA_TXCTL		(0x88)
26 #define SSPA_TXSP		(0x8c)
27 #define SSPA_TXFIFO_LL		(0x90)
28 #define SSPA_TXINT_MASK		(0x94)
29 #define SSPA_TXC		(0x98)
30 #define SSPA_TXFIFO_NOFS	(0x9c)
31 #define SSPA_TXFIFO_SIZE	(0xa0)
32 
33 /* SSPA Control Register */
34 #define	SSPA_CTL_XPH		(1 << 31)	/* Read Phase */
35 #define	SSPA_CTL_XFIG		(1 << 15)	/* Transmit Zeros when FIFO Empty */
36 #define	SSPA_CTL_JST		(1 << 3)	/* Audio Sample Justification */
37 #define	SSPA_CTL_XFRLEN2_MASK	(7 << 24)
38 #define	SSPA_CTL_XFRLEN2(x)	((x) << 24)	/* Transmit Frame Length in Phase 2 */
39 #define	SSPA_CTL_XWDLEN2_MASK	(7 << 21)
40 #define	SSPA_CTL_XWDLEN2(x)	((x) << 21)	/* Transmit Word Length in Phase 2 */
41 #define	SSPA_CTL_XDATDLY(x)	((x) << 19)	/* Tansmit Data Delay */
42 #define	SSPA_CTL_XSSZ2_MASK	(7 << 16)
43 #define	SSPA_CTL_XSSZ2(x)	((x) << 16)	/* Transmit Sample Audio Size */
44 #define	SSPA_CTL_XFRLEN1_MASK	(7 << 8)
45 #define	SSPA_CTL_XFRLEN1(x)	((x) << 8)	/* Transmit Frame Length in Phase 1 */
46 #define	SSPA_CTL_XWDLEN1_MASK	(7 << 5)
47 #define	SSPA_CTL_XWDLEN1(x)	((x) << 5)	/* Transmit Word Length in Phase 1 */
48 #define	SSPA_CTL_XSSZ1_MASK	(7 << 0)
49 #define	SSPA_CTL_XSSZ1(x)	((x) << 0)	/* XSSZ1 */
50 
51 #define SSPA_CTL_8_BITS		(0x0)		/* Sample Size */
52 #define SSPA_CTL_12_BITS	(0x1)
53 #define SSPA_CTL_16_BITS	(0x2)
54 #define SSPA_CTL_20_BITS	(0x3)
55 #define SSPA_CTL_24_BITS	(0x4)
56 #define SSPA_CTL_32_BITS	(0x5)
57 
58 /* SSPA Serial Port Register */
59 #define	SSPA_SP_WEN		(1 << 31)	/* Write Configuration Enable */
60 #define	SSPA_SP_MSL		(1 << 18)	/* Master Slave Configuration */
61 #define	SSPA_SP_CLKP		(1 << 17)	/* CLKP Polarity Clock Edge Select */
62 #define	SSPA_SP_FSP		(1 << 16)	/* FSP Polarity Clock Edge Select */
63 #define	SSPA_SP_FFLUSH		(1 << 2)	/* FIFO Flush */
64 #define	SSPA_SP_S_RST		(1 << 1)	/* Active High Reset Signal */
65 #define	SSPA_SP_S_EN		(1 << 0)	/* Serial Clock Domain Enable */
66 #define	SSPA_SP_FWID(x)		((x) << 20)	/* Frame-Sync Width */
67 #define	SSPA_TXSP_FPER(x)	((x) << 4)	/* Frame-Sync Active */
68 
69 /* sspa clock sources */
70 #define MMP_SSPA_CLK_PLL	0
71 #define MMP_SSPA_CLK_VCXO	1
72 #define MMP_SSPA_CLK_AUDIO	3
73 
74 /* sspa pll id */
75 #define MMP_SYSCLK		0
76 #define MMP_SSPA_CLK		1
77 
78 #endif /* _MMP_SSPA_H */
79