1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * kirkwood.h
4 *
5 * (c) 2010 Arnaud Patard <apatard@mandriva.com>
6 */
7
8#ifndef _KIRKWOOD_AUDIO_H
9#define _KIRKWOOD_AUDIO_H
10
11#define DRV_NAME	"mvebu-audio"
12
13#define KIRKWOOD_RECORD_WIN			0
14#define KIRKWOOD_PLAYBACK_WIN			1
15#define KIRKWOOD_MAX_AUDIO_WIN			2
16
17#define KIRKWOOD_AUDIO_WIN_BASE_REG(win)	(0xA00 + ((win)<<3))
18#define KIRKWOOD_AUDIO_WIN_CTRL_REG(win)	(0xA04 + ((win)<<3))
19
20
21#define KIRKWOOD_RECCTL			0x1000
22#define KIRKWOOD_RECCTL_SPDIF_EN		(1<<11)
23#define KIRKWOOD_RECCTL_I2S_EN			(1<<10)
24#define KIRKWOOD_RECCTL_PAUSE			(1<<9)
25#define KIRKWOOD_RECCTL_MUTE			(1<<8)
26#define KIRKWOOD_RECCTL_BURST_MASK		(3<<5)
27#define KIRKWOOD_RECCTL_BURST_128		(2<<5)
28#define KIRKWOOD_RECCTL_BURST_32		(1<<5)
29#define KIRKWOOD_RECCTL_MONO			(1<<4)
30#define KIRKWOOD_RECCTL_MONO_CHAN_RIGHT	(1<<3)
31#define KIRKWOOD_RECCTL_MONO_CHAN_LEFT		(0<<3)
32#define KIRKWOOD_RECCTL_SIZE_MASK		(7<<0)
33#define KIRKWOOD_RECCTL_SIZE_16		(7<<0)
34#define KIRKWOOD_RECCTL_SIZE_16_C		(3<<0)
35#define KIRKWOOD_RECCTL_SIZE_20		(2<<0)
36#define KIRKWOOD_RECCTL_SIZE_24		(1<<0)
37#define KIRKWOOD_RECCTL_SIZE_32		(0<<0)
38
39#define KIRKWOOD_RECCTL_ENABLE_MASK		(KIRKWOOD_RECCTL_SPDIF_EN | \
40						 KIRKWOOD_RECCTL_I2S_EN)
41
42#define KIRKWOOD_REC_BUF_ADDR			0x1004
43#define KIRKWOOD_REC_BUF_SIZE			0x1008
44#define KIRKWOOD_REC_BYTE_COUNT			0x100C
45
46#define KIRKWOOD_PLAYCTL			0x1100
47#define KIRKWOOD_PLAYCTL_PLAY_BUSY		(1<<16)
48#define KIRKWOOD_PLAYCTL_BURST_MASK		(3<<11)
49#define KIRKWOOD_PLAYCTL_BURST_128		(2<<11)
50#define KIRKWOOD_PLAYCTL_BURST_32		(1<<11)
51#define KIRKWOOD_PLAYCTL_PAUSE			(1<<9)
52#define KIRKWOOD_PLAYCTL_SPDIF_MUTE		(1<<8)
53#define KIRKWOOD_PLAYCTL_MONO_MASK		(3<<5)
54#define KIRKWOOD_PLAYCTL_MONO_BOTH		(3<<5)
55#define KIRKWOOD_PLAYCTL_MONO_OFF		(0<<5)
56#define KIRKWOOD_PLAYCTL_I2S_MUTE		(1<<7)
57#define KIRKWOOD_PLAYCTL_SPDIF_EN		(1<<4)
58#define KIRKWOOD_PLAYCTL_I2S_EN			(1<<3)
59#define KIRKWOOD_PLAYCTL_SIZE_MASK		(7<<0)
60#define KIRKWOOD_PLAYCTL_SIZE_16		(7<<0)
61#define KIRKWOOD_PLAYCTL_SIZE_16_C		(3<<0)
62#define KIRKWOOD_PLAYCTL_SIZE_20		(2<<0)
63#define KIRKWOOD_PLAYCTL_SIZE_24		(1<<0)
64#define KIRKWOOD_PLAYCTL_SIZE_32		(0<<0)
65
66#define KIRKWOOD_PLAYCTL_ENABLE_MASK		(KIRKWOOD_PLAYCTL_SPDIF_EN | \
67						 KIRKWOOD_PLAYCTL_I2S_EN)
68
69#define KIRKWOOD_PLAY_BUF_ADDR			0x1104
70#define KIRKWOOD_PLAY_BUF_SIZE			0x1108
71#define KIRKWOOD_PLAY_BYTE_COUNT		0x110C
72
73#define KIRKWOOD_DCO_CTL			0x1204
74#define KIRKWOOD_DCO_CTL_OFFSET_MASK		(0xFFF<<2)
75#define KIRKWOOD_DCO_CTL_OFFSET_0		(0x800<<2)
76#define KIRKWOOD_DCO_CTL_FREQ_MASK		(3<<0)
77#define KIRKWOOD_DCO_CTL_FREQ_11		(0<<0)
78#define KIRKWOOD_DCO_CTL_FREQ_12		(1<<0)
79#define KIRKWOOD_DCO_CTL_FREQ_24		(2<<0)
80
81#define KIRKWOOD_DCO_SPCR_STATUS		0x120c
82#define KIRKWOOD_DCO_SPCR_STATUS_DCO_LOCK	(1<<16)
83
84#define KIRKWOOD_CLOCKS_CTRL			0x1230
85#define KIRKWOOD_MCLK_SOURCE_MASK		(3<<0)
86#define KIRKWOOD_MCLK_SOURCE_DCO		(0<<0)
87#define KIRKWOOD_MCLK_SOURCE_EXTCLK		(3<<0)
88
89#define KIRKWOOD_ERR_CAUSE			0x1300
90#define KIRKWOOD_ERR_MASK			0x1304
91
92#define KIRKWOOD_INT_CAUSE			0x1308
93#define KIRKWOOD_INT_MASK			0x130C
94#define KIRKWOOD_INT_CAUSE_PLAY_BYTES		(1<<14)
95#define KIRKWOOD_INT_CAUSE_REC_BYTES		(1<<13)
96#define KIRKWOOD_INT_CAUSE_DMA_PLAY_END	(1<<7)
97#define KIRKWOOD_INT_CAUSE_DMA_PLAY_3Q		(1<<6)
98#define KIRKWOOD_INT_CAUSE_DMA_PLAY_HALF	(1<<5)
99#define KIRKWOOD_INT_CAUSE_DMA_PLAY_1Q		(1<<4)
100#define KIRKWOOD_INT_CAUSE_DMA_REC_END		(1<<3)
101#define KIRKWOOD_INT_CAUSE_DMA_REC_3Q		(1<<2)
102#define KIRKWOOD_INT_CAUSE_DMA_REC_HALF	(1<<1)
103#define KIRKWOOD_INT_CAUSE_DMA_REC_1Q		(1<<0)
104
105#define KIRKWOOD_REC_BYTE_INT_COUNT		0x1310
106#define KIRKWOOD_PLAY_BYTE_INT_COUNT		0x1314
107#define KIRKWOOD_BYTE_INT_COUNT_MASK		0xffffff
108
109#define KIRKWOOD_I2S_PLAYCTL			0x2508
110#define KIRKWOOD_I2S_RECCTL			0x2408
111#define KIRKWOOD_I2S_CTL_JUST_MASK		(0xf<<26)
112#define KIRKWOOD_I2S_CTL_LJ			(0<<26)
113#define KIRKWOOD_I2S_CTL_I2S			(5<<26)
114#define KIRKWOOD_I2S_CTL_RJ			(8<<26)
115#define KIRKWOOD_I2S_CTL_SIZE_MASK		(3<<30)
116#define KIRKWOOD_I2S_CTL_SIZE_16		(3<<30)
117#define KIRKWOOD_I2S_CTL_SIZE_20		(2<<30)
118#define KIRKWOOD_I2S_CTL_SIZE_24		(1<<30)
119#define KIRKWOOD_I2S_CTL_SIZE_32		(0<<30)
120
121#define KIRKWOOD_AUDIO_BUF_MAX			(16*1024*1024)
122
123/* Theses values come from the marvell alsa driver */
124/* need to find where they come from               */
125#define KIRKWOOD_SND_MIN_PERIODS		2
126#define KIRKWOOD_SND_MAX_PERIODS		16
127#define KIRKWOOD_SND_MIN_PERIOD_BYTES		256
128#define KIRKWOOD_SND_MAX_PERIOD_BYTES		0x8000
129#define KIRKWOOD_SND_MAX_BUFFER_BYTES		(KIRKWOOD_SND_MAX_PERIOD_BYTES \
130						 * KIRKWOOD_SND_MAX_PERIODS)
131
132struct kirkwood_dma_data {
133	void __iomem *io;
134	void __iomem *pll_config;
135	void __iomem *soc_control;
136	struct clk *clk;
137	struct clk *extclk;
138	uint32_t ctl_play;
139	uint32_t ctl_rec;
140	struct snd_pcm_substream *substream_play;
141	struct snd_pcm_substream *substream_rec;
142	int irq;
143	int burst;
144};
145
146extern const struct snd_soc_component_driver kirkwood_soc_component;
147
148#endif
149