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

source code of linux/sound/soc/pxa/mmp-sspa.h