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