Merge remote-tracking branches 'asoc/topic/dwc', 'asoc/topic/fallthrough', 'asoc...
[sfrench/cifs-2.6.git] / sound / soc / kirkwood / kirkwood.h
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_RECCTL_ENABLE_MASK             (KIRKWOOD_RECCTL_SPDIF_EN | \
42                                                  KIRKWOOD_RECCTL_I2S_EN)
43
44 #define KIRKWOOD_REC_BUF_ADDR                   0x1004
45 #define KIRKWOOD_REC_BUF_SIZE                   0x1008
46 #define KIRKWOOD_REC_BYTE_COUNT                 0x100C
47
48 #define KIRKWOOD_PLAYCTL                        0x1100
49 #define KIRKWOOD_PLAYCTL_PLAY_BUSY              (1<<16)
50 #define KIRKWOOD_PLAYCTL_BURST_MASK             (3<<11)
51 #define KIRKWOOD_PLAYCTL_BURST_128              (2<<11)
52 #define KIRKWOOD_PLAYCTL_BURST_32               (1<<11)
53 #define KIRKWOOD_PLAYCTL_PAUSE                  (1<<9)
54 #define KIRKWOOD_PLAYCTL_SPDIF_MUTE             (1<<8)
55 #define KIRKWOOD_PLAYCTL_MONO_MASK              (3<<5)
56 #define KIRKWOOD_PLAYCTL_MONO_BOTH              (3<<5)
57 #define KIRKWOOD_PLAYCTL_MONO_OFF               (0<<5)
58 #define KIRKWOOD_PLAYCTL_I2S_MUTE               (1<<7)
59 #define KIRKWOOD_PLAYCTL_SPDIF_EN               (1<<4)
60 #define KIRKWOOD_PLAYCTL_I2S_EN                 (1<<3)
61 #define KIRKWOOD_PLAYCTL_SIZE_MASK              (7<<0)
62 #define KIRKWOOD_PLAYCTL_SIZE_16                (7<<0)
63 #define KIRKWOOD_PLAYCTL_SIZE_16_C              (3<<0)
64 #define KIRKWOOD_PLAYCTL_SIZE_20                (2<<0)
65 #define KIRKWOOD_PLAYCTL_SIZE_24                (1<<0)
66 #define KIRKWOOD_PLAYCTL_SIZE_32                (0<<0)
67
68 #define KIRKWOOD_PLAYCTL_ENABLE_MASK            (KIRKWOOD_PLAYCTL_SPDIF_EN | \
69                                                  KIRKWOOD_PLAYCTL_I2S_EN)
70
71 #define KIRKWOOD_PLAY_BUF_ADDR                  0x1104
72 #define KIRKWOOD_PLAY_BUF_SIZE                  0x1108
73 #define KIRKWOOD_PLAY_BYTE_COUNT                0x110C
74
75 #define KIRKWOOD_DCO_CTL                        0x1204
76 #define KIRKWOOD_DCO_CTL_OFFSET_MASK            (0xFFF<<2)
77 #define KIRKWOOD_DCO_CTL_OFFSET_0               (0x800<<2)
78 #define KIRKWOOD_DCO_CTL_FREQ_MASK              (3<<0)
79 #define KIRKWOOD_DCO_CTL_FREQ_11                (0<<0)
80 #define KIRKWOOD_DCO_CTL_FREQ_12                (1<<0)
81 #define KIRKWOOD_DCO_CTL_FREQ_24                (2<<0)
82
83 #define KIRKWOOD_DCO_SPCR_STATUS                0x120c
84 #define KIRKWOOD_DCO_SPCR_STATUS_DCO_LOCK       (1<<16)
85
86 #define KIRKWOOD_CLOCKS_CTRL                    0x1230
87 #define KIRKWOOD_MCLK_SOURCE_MASK               (3<<0)
88 #define KIRKWOOD_MCLK_SOURCE_DCO                (0<<0)
89 #define KIRKWOOD_MCLK_SOURCE_EXTCLK             (3<<0)
90
91 #define KIRKWOOD_ERR_CAUSE                      0x1300
92 #define KIRKWOOD_ERR_MASK                       0x1304
93
94 #define KIRKWOOD_INT_CAUSE                      0x1308
95 #define KIRKWOOD_INT_MASK                       0x130C
96 #define KIRKWOOD_INT_CAUSE_PLAY_BYTES           (1<<14)
97 #define KIRKWOOD_INT_CAUSE_REC_BYTES            (1<<13)
98 #define KIRKWOOD_INT_CAUSE_DMA_PLAY_END (1<<7)
99 #define KIRKWOOD_INT_CAUSE_DMA_PLAY_3Q          (1<<6)
100 #define KIRKWOOD_INT_CAUSE_DMA_PLAY_HALF        (1<<5)
101 #define KIRKWOOD_INT_CAUSE_DMA_PLAY_1Q          (1<<4)
102 #define KIRKWOOD_INT_CAUSE_DMA_REC_END          (1<<3)
103 #define KIRKWOOD_INT_CAUSE_DMA_REC_3Q           (1<<2)
104 #define KIRKWOOD_INT_CAUSE_DMA_REC_HALF (1<<1)
105 #define KIRKWOOD_INT_CAUSE_DMA_REC_1Q           (1<<0)
106
107 #define KIRKWOOD_REC_BYTE_INT_COUNT             0x1310
108 #define KIRKWOOD_PLAY_BYTE_INT_COUNT            0x1314
109 #define KIRKWOOD_BYTE_INT_COUNT_MASK            0xffffff
110
111 #define KIRKWOOD_I2S_PLAYCTL                    0x2508
112 #define KIRKWOOD_I2S_RECCTL                     0x2408
113 #define KIRKWOOD_I2S_CTL_JUST_MASK              (0xf<<26)
114 #define KIRKWOOD_I2S_CTL_LJ                     (0<<26)
115 #define KIRKWOOD_I2S_CTL_I2S                    (5<<26)
116 #define KIRKWOOD_I2S_CTL_RJ                     (8<<26)
117 #define KIRKWOOD_I2S_CTL_SIZE_MASK              (3<<30)
118 #define KIRKWOOD_I2S_CTL_SIZE_16                (3<<30)
119 #define KIRKWOOD_I2S_CTL_SIZE_20                (2<<30)
120 #define KIRKWOOD_I2S_CTL_SIZE_24                (1<<30)
121 #define KIRKWOOD_I2S_CTL_SIZE_32                (0<<30)
122
123 #define KIRKWOOD_AUDIO_BUF_MAX                  (16*1024*1024)
124
125 /* Theses values come from the marvell alsa driver */
126 /* need to find where they come from               */
127 #define KIRKWOOD_SND_MIN_PERIODS                2
128 #define KIRKWOOD_SND_MAX_PERIODS                16
129 #define KIRKWOOD_SND_MIN_PERIOD_BYTES           256
130 #define KIRKWOOD_SND_MAX_PERIOD_BYTES           0x8000
131 #define KIRKWOOD_SND_MAX_BUFFER_BYTES           (KIRKWOOD_SND_MAX_PERIOD_BYTES \
132                                                  * KIRKWOOD_SND_MAX_PERIODS)
133
134 struct kirkwood_dma_data {
135         void __iomem *io;
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
146 extern struct snd_soc_platform_driver kirkwood_soc_platform;
147
148 #endif