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
132 struct 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
146 extern const struct snd_soc_component_driver kirkwood_soc_component;
147
148 #endif
149
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