1/*
2 * linux/sound/soc/pxa/mmp-sspa.h
3 *
4 * Copyright (C) 2011 Marvell International Ltd.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19 *
20 */
21#ifndef _MMP_SSPA_H
22#define _MMP_SSPA_H
23
24/*
25 * SSPA Registers
26 */
27#define SSPA_RXD		(0x00)
28#define SSPA_RXID		(0x04)
29#define SSPA_RXCTL		(0x08)
30#define SSPA_RXSP		(0x0c)
31#define SSPA_RXFIFO_UL		(0x10)
32#define SSPA_RXINT_MASK		(0x14)
33#define SSPA_RXC		(0x18)
34#define SSPA_RXFIFO_NOFS	(0x1c)
35#define SSPA_RXFIFO_SIZE	(0x20)
36
37#define SSPA_TXD		(0x80)
38#define SSPA_TXID		(0x84)
39#define SSPA_TXCTL		(0x88)
40#define SSPA_TXSP		(0x8c)
41#define SSPA_TXFIFO_LL		(0x90)
42#define SSPA_TXINT_MASK		(0x94)
43#define SSPA_TXC		(0x98)
44#define SSPA_TXFIFO_NOFS	(0x9c)
45#define SSPA_TXFIFO_SIZE	(0xa0)
46
47/* SSPA Control Register */
48#define	SSPA_CTL_XPH		(1 << 31)	/* Read Phase */
49#define	SSPA_CTL_XFIG		(1 << 15)	/* Transmit Zeros when FIFO Empty */
50#define	SSPA_CTL_JST		(1 << 3)	/* Audio Sample Justification */
51#define	SSPA_CTL_XFRLEN2_MASK	(7 << 24)
52#define	SSPA_CTL_XFRLEN2(x)	((x) << 24)	/* Transmit Frame Length in Phase 2 */
53#define	SSPA_CTL_XWDLEN2_MASK	(7 << 21)
54#define	SSPA_CTL_XWDLEN2(x)	((x) << 21)	/* Transmit Word Length in Phase 2 */
55#define	SSPA_CTL_XDATDLY(x)	((x) << 19)	/* Tansmit Data Delay */
56#define	SSPA_CTL_XSSZ2_MASK	(7 << 16)
57#define	SSPA_CTL_XSSZ2(x)	((x) << 16)	/* Transmit Sample Audio Size */
58#define	SSPA_CTL_XFRLEN1_MASK	(7 << 8)
59#define	SSPA_CTL_XFRLEN1(x)	((x) << 8)	/* Transmit Frame Length in Phase 1 */
60#define	SSPA_CTL_XWDLEN1_MASK	(7 << 5)
61#define	SSPA_CTL_XWDLEN1(x)	((x) << 5)	/* Transmit Word Length in Phase 1 */
62#define	SSPA_CTL_XSSZ1_MASK	(7 << 0)
63#define	SSPA_CTL_XSSZ1(x)	((x) << 0)	/* XSSZ1 */
64
65#define SSPA_CTL_8_BITS		(0x0)		/* Sample Size */
66#define SSPA_CTL_12_BITS	(0x1)
67#define SSPA_CTL_16_BITS	(0x2)
68#define SSPA_CTL_20_BITS	(0x3)
69#define SSPA_CTL_24_BITS	(0x4)
70#define SSPA_CTL_32_BITS	(0x5)
71
72/* SSPA Serial Port Register */
73#define	SSPA_SP_WEN		(1 << 31)	/* Write Configuration Enable */
74#define	SSPA_SP_MSL		(1 << 18)	/* Master Slave Configuration */
75#define	SSPA_SP_CLKP		(1 << 17)	/* CLKP Polarity Clock Edge Select */
76#define	SSPA_SP_FSP		(1 << 16)	/* FSP Polarity Clock Edge Select */
77#define	SSPA_SP_FFLUSH		(1 << 2)	/* FIFO Flush */
78#define	SSPA_SP_S_RST		(1 << 1)	/* Active High Reset Signal */
79#define	SSPA_SP_S_EN		(1 << 0)	/* Serial Clock Domain Enable */
80#define	SSPA_SP_FWID(x)		((x) << 20)	/* Frame-Sync Width */
81#define	SSPA_TXSP_FPER(x)	((x) << 4)	/* Frame-Sync Active */
82
83/* sspa clock sources */
84#define MMP_SSPA_CLK_PLL	0
85#define MMP_SSPA_CLK_VCXO	1
86#define MMP_SSPA_CLK_AUDIO	3
87
88/* sspa pll id */
89#define MMP_SYSCLK		0
90#define MMP_SSPA_CLK		1
91
92#endif /* _MMP_SSPA_H */
93