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f9b95980 | 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 | ||
52b896cf RK |
41 | #define KIRKWOOD_RECCTL_ENABLE_MASK (KIRKWOOD_RECCTL_SPDIF_EN | \ |
42 | KIRKWOOD_RECCTL_I2S_EN) | |
43 | ||
f9b95980 | 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) | |
dfe4c936 | 55 | #define KIRKWOOD_PLAYCTL_MONO_MASK (3<<5) |
56 | #define KIRKWOOD_PLAYCTL_MONO_BOTH (3<<5) | |
57 | #define KIRKWOOD_PLAYCTL_MONO_OFF (0<<5) | |
f9b95980 | 58 | #define KIRKWOOD_PLAYCTL_I2S_MUTE (1<<7) |
59 | #define KIRKWOOD_PLAYCTL_SPDIF_EN (1<<4) | |
db43b16f | 60 | #define KIRKWOOD_PLAYCTL_I2S_EN (1<<3) |
f9b95980 | 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 | ||
db43b16f RK |
68 | #define KIRKWOOD_PLAYCTL_ENABLE_MASK (KIRKWOOD_PLAYCTL_SPDIF_EN | \ |
69 | KIRKWOOD_PLAYCTL_I2S_EN) | |
70 | ||
f9b95980 | 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 | ||
363589bf RK |
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 | ||
f9b95980 | 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 */ | |
a622251c | 127 | #define KIRKWOOD_SND_MIN_PERIODS 2 |
f9b95980 | 128 | #define KIRKWOOD_SND_MAX_PERIODS 16 |
a622251c | 129 | #define KIRKWOOD_SND_MIN_PERIOD_BYTES 256 |
ce3d0609 | 130 | #define KIRKWOOD_SND_MAX_PERIOD_BYTES 0x8000 |
e4065f3f RK |
131 | #define KIRKWOOD_SND_MAX_BUFFER_BYTES (KIRKWOOD_SND_MAX_PERIOD_BYTES \ |
132 | * KIRKWOOD_SND_MAX_PERIODS) | |
f9b95980 | 133 | |
134 | struct kirkwood_dma_data { | |
f9b95980 | 135 | void __iomem *io; |
363589bf RK |
136 | struct clk *clk; |
137 | struct clk *extclk; | |
d8d11ba5 RK |
138 | uint32_t ctl_play; |
139 | uint32_t ctl_rec; | |
a7d09429 RK |
140 | struct snd_pcm_substream *substream_play; |
141 | struct snd_pcm_substream *substream_rec; | |
f9b95980 | 142 | int irq; |
143 | int burst; | |
f9b95980 | 144 | }; |
145 | ||
64ddf1f8 RK |
146 | extern struct snd_soc_platform_driver kirkwood_soc_platform; |
147 | ||
f9b95980 | 148 | #endif |