1 /*
2  * kirkwood.h
3  *
4  * (c) 2010 Arnaud Patard <apatard@mandriva.com>
5  *
6  *  This program is free software; you can redistribute  it and/or modify it
7  *  under  the terms of  the GNU General  Public License as published by the
8  *  Free Software Foundation;  either version 2 of the  License, or (at your
9  *  option) any later version.
10  */
11 
12 #ifndef _KIRKWOOD_AUDIO_H
13 #define _KIRKWOOD_AUDIO_H
14 
15 #define KIRKWOOD_RECORD_WIN			0
16 #define KIRKWOOD_PLAYBACK_WIN			1
17 #define KIRKWOOD_MAX_AUDIO_WIN			2
18 
19 #define KIRKWOOD_AUDIO_WIN_BASE_REG(win)	(0xA00 + ((win)<<3))
20 #define KIRKWOOD_AUDIO_WIN_CTRL_REG(win)	(0xA04 + ((win)<<3))
21 
22 
23 #define KIRKWOOD_RECCTL			0x1000
24 #define KIRKWOOD_RECCTL_SPDIF_EN		(1<<11)
25 #define KIRKWOOD_RECCTL_I2S_EN			(1<<10)
26 #define KIRKWOOD_RECCTL_PAUSE			(1<<9)
27 #define KIRKWOOD_RECCTL_MUTE			(1<<8)
28 #define KIRKWOOD_RECCTL_BURST_MASK		(3<<5)
29 #define KIRKWOOD_RECCTL_BURST_128		(2<<5)
30 #define KIRKWOOD_RECCTL_BURST_32		(1<<5)
31 #define KIRKWOOD_RECCTL_MONO			(1<<4)
32 #define KIRKWOOD_RECCTL_MONO_CHAN_RIGHT	(1<<3)
33 #define KIRKWOOD_RECCTL_MONO_CHAN_LEFT		(0<<3)
34 #define KIRKWOOD_RECCTL_SIZE_MASK		(7<<0)
35 #define KIRKWOOD_RECCTL_SIZE_16		(7<<0)
36 #define KIRKWOOD_RECCTL_SIZE_16_C		(3<<0)
37 #define KIRKWOOD_RECCTL_SIZE_20		(2<<0)
38 #define KIRKWOOD_RECCTL_SIZE_24		(1<<0)
39 #define KIRKWOOD_RECCTL_SIZE_32		(0<<0)
40 
41 #define KIRKWOOD_REC_BUF_ADDR			0x1004
42 #define KIRKWOOD_REC_BUF_SIZE			0x1008
43 #define KIRKWOOD_REC_BYTE_COUNT			0x100C
44 
45 #define KIRKWOOD_PLAYCTL			0x1100
46 #define KIRKWOOD_PLAYCTL_PLAY_BUSY		(1<<16)
47 #define KIRKWOOD_PLAYCTL_BURST_MASK		(3<<11)
48 #define KIRKWOOD_PLAYCTL_BURST_128		(2<<11)
49 #define KIRKWOOD_PLAYCTL_BURST_32		(1<<11)
50 #define KIRKWOOD_PLAYCTL_PAUSE			(1<<9)
51 #define KIRKWOOD_PLAYCTL_SPDIF_MUTE		(1<<8)
52 #define KIRKWOOD_PLAYCTL_MONO_MASK		(3<<5)
53 #define KIRKWOOD_PLAYCTL_MONO_BOTH		(3<<5)
54 #define KIRKWOOD_PLAYCTL_MONO_OFF		(0<<5)
55 #define KIRKWOOD_PLAYCTL_I2S_MUTE		(1<<7)
56 #define KIRKWOOD_PLAYCTL_SPDIF_EN		(1<<4)
57 #define KIRKWOOD_PLAYCTL_I2S_EN		(1<<3)
58 #define KIRKWOOD_PLAYCTL_SIZE_MASK		(7<<0)
59 #define KIRKWOOD_PLAYCTL_SIZE_16		(7<<0)
60 #define KIRKWOOD_PLAYCTL_SIZE_16_C		(3<<0)
61 #define KIRKWOOD_PLAYCTL_SIZE_20		(2<<0)
62 #define KIRKWOOD_PLAYCTL_SIZE_24		(1<<0)
63 #define KIRKWOOD_PLAYCTL_SIZE_32		(0<<0)
64 
65 #define KIRKWOOD_PLAY_BUF_ADDR			0x1104
66 #define KIRKWOOD_PLAY_BUF_SIZE			0x1108
67 #define KIRKWOOD_PLAY_BYTE_COUNT		0x110C
68 
69 #define KIRKWOOD_DCO_CTL			0x1204
70 #define KIRKWOOD_DCO_CTL_OFFSET_MASK		(0xFFF<<2)
71 #define KIRKWOOD_DCO_CTL_OFFSET_0		(0x800<<2)
72 #define KIRKWOOD_DCO_CTL_FREQ_MASK		(3<<0)
73 #define KIRKWOOD_DCO_CTL_FREQ_11		(0<<0)
74 #define KIRKWOOD_DCO_CTL_FREQ_12		(1<<0)
75 #define KIRKWOOD_DCO_CTL_FREQ_24		(2<<0)
76 
77 #define KIRKWOOD_DCO_SPCR_STATUS		0x120c
78 #define KIRKWOOD_DCO_SPCR_STATUS_DCO_LOCK	(1<<16)
79 
80 #define KIRKWOOD_ERR_CAUSE			0x1300
81 #define KIRKWOOD_ERR_MASK			0x1304
82 
83 #define KIRKWOOD_INT_CAUSE			0x1308
84 #define KIRKWOOD_INT_MASK			0x130C
85 #define KIRKWOOD_INT_CAUSE_PLAY_BYTES		(1<<14)
86 #define KIRKWOOD_INT_CAUSE_REC_BYTES		(1<<13)
87 #define KIRKWOOD_INT_CAUSE_DMA_PLAY_END	(1<<7)
88 #define KIRKWOOD_INT_CAUSE_DMA_PLAY_3Q		(1<<6)
89 #define KIRKWOOD_INT_CAUSE_DMA_PLAY_HALF	(1<<5)
90 #define KIRKWOOD_INT_CAUSE_DMA_PLAY_1Q		(1<<4)
91 #define KIRKWOOD_INT_CAUSE_DMA_REC_END		(1<<3)
92 #define KIRKWOOD_INT_CAUSE_DMA_REC_3Q		(1<<2)
93 #define KIRKWOOD_INT_CAUSE_DMA_REC_HALF	(1<<1)
94 #define KIRKWOOD_INT_CAUSE_DMA_REC_1Q		(1<<0)
95 
96 #define KIRKWOOD_REC_BYTE_INT_COUNT		0x1310
97 #define KIRKWOOD_PLAY_BYTE_INT_COUNT		0x1314
98 #define KIRKWOOD_BYTE_INT_COUNT_MASK		0xffffff
99 
100 #define KIRKWOOD_I2S_PLAYCTL			0x2508
101 #define KIRKWOOD_I2S_RECCTL			0x2408
102 #define KIRKWOOD_I2S_CTL_JUST_MASK		(0xf<<26)
103 #define KIRKWOOD_I2S_CTL_LJ			(0<<26)
104 #define KIRKWOOD_I2S_CTL_I2S			(5<<26)
105 #define KIRKWOOD_I2S_CTL_RJ			(8<<26)
106 #define KIRKWOOD_I2S_CTL_SIZE_MASK		(3<<30)
107 #define KIRKWOOD_I2S_CTL_SIZE_16		(3<<30)
108 #define KIRKWOOD_I2S_CTL_SIZE_20		(2<<30)
109 #define KIRKWOOD_I2S_CTL_SIZE_24		(1<<30)
110 #define KIRKWOOD_I2S_CTL_SIZE_32		(0<<30)
111 
112 #define KIRKWOOD_AUDIO_BUF_MAX			(16*1024*1024)
113 
114 /* Theses values come from the marvell alsa driver */
115 /* need to find where they come from               */
116 #define KIRKWOOD_SND_MIN_PERIODS		8
117 #define KIRKWOOD_SND_MAX_PERIODS		16
118 #define KIRKWOOD_SND_MIN_PERIOD_BYTES		0x4000
119 #define KIRKWOOD_SND_MAX_PERIOD_BYTES		0x4000
120 
121 struct kirkwood_dma_data {
122 	struct resource *mem;
123 	void __iomem *io;
124 	int irq;
125 	int burst;
126 };
127 
128 #endif
129