1 /* Hewlett-Packard Harmony audio driver
2 * Copyright (C) 2004, Kyle McMartin <kyle@parisc-linux.org>
3 */
4
5 #ifndef __HARMONY_H__
6 #define __HARMONY_H__
7
8 struct harmony_buffer {
9 unsigned long addr;
10 int buf;
11 int count;
12 int size;
13 int coherent;
14 };
15
16 struct snd_harmony {
17 int irq;
18
19 unsigned long hpa; /* hard physical address */
20 void __iomem *iobase; /* remapped io address */
21
22 struct parisc_device *dev;
23
24 struct {
25 u32 gain;
26 u32 rate;
27 u32 format;
28 u32 stereo;
29 int playing;
30 int capturing;
31 } st;
32
33 struct snd_dma_device dma; /* playback/capture */
34 struct harmony_buffer pbuf;
35 struct harmony_buffer cbuf;
36
37 struct snd_dma_buffer gdma; /* graveyard */
38 struct snd_dma_buffer sdma; /* silence */
39
40 struct {
41 unsigned long play_intr;
42 unsigned long rec_intr;
43 unsigned long graveyard_intr;
44 unsigned long silence_intr;
45 } stats;
46
47 struct snd_pcm *pcm;
48 struct snd_card *card;
49 struct snd_pcm_substream *psubs;
50 struct snd_pcm_substream *csubs;
51 struct snd_info_entry *proc;
52
53 spinlock_t lock;
54 spinlock_t mixer_lock;
55 };
56
57 #define MAX_PCM_DEVICES 1
58 #define MAX_PCM_SUBSTREAMS 4
59 #define MAX_MIDI_DEVICES 0
60
61 #define HARMONY_SIZE 64
62
63 #define BUF_SIZE PAGE_SIZE
64 #define MAX_BUFS 16
65 #define MAX_BUF_SIZE (MAX_BUFS * BUF_SIZE)
66
67 #define PLAYBACK_BUFS MAX_BUFS
68 #define RECORD_BUFS MAX_BUFS
69 #define GRAVEYARD_BUFS 1
70 #define GRAVEYARD_BUFSZ (GRAVEYARD_BUFS*BUF_SIZE)
71 #define SILENCE_BUFS 1
72 #define SILENCE_BUFSZ (SILENCE_BUFS*BUF_SIZE)
73
74 #define HARMONY_ID 0x000
75 #define HARMONY_RESET 0x004
76 #define HARMONY_CNTL 0x008
77 #define HARMONY_GAINCTL 0x00c
78 #define HARMONY_PNXTADD 0x010
79 #define HARMONY_PCURADD 0x014
80 #define HARMONY_RNXTADD 0x018
81 #define HARMONY_RCURADD 0x01c
82 #define HARMONY_DSTATUS 0x020
83 #define HARMONY_OV 0x024
84 #define HARMONY_PIO 0x028
85 #define HARMONY_DIAG 0x03c
86
87 #define HARMONY_CNTL_C 0x80000000
88 #define HARMONY_CNTL_ST 0x00000020
89 #define HARMONY_CNTL_44100 0x00000015 /* HARMONY_SR_44KHZ */
90 #define HARMONY_CNTL_8000 0x00000008 /* HARMONY_SR_8KHZ */
91
92 #define HARMONY_DSTATUS_ID 0x00000000 /* interrupts off */
93 #define HARMONY_DSTATUS_PN 0x00000200 /* playback fill */
94 #define HARMONY_DSTATUS_RN 0x00000002 /* record fill */
95 #define HARMONY_DSTATUS_IE 0x80000000 /* interrupts on */
96
97 #define HARMONY_DF_16BIT_LINEAR 0x00000000
98 #define HARMONY_DF_8BIT_ULAW 0x00000001
99 #define HARMONY_DF_8BIT_ALAW 0x00000002
100
101 #define HARMONY_SS_MONO 0x00000000
102 #define HARMONY_SS_STEREO 0x00000001
103
104 #define HARMONY_GAIN_SILENCE 0x01F00FFF
105 #define HARMONY_GAIN_DEFAULT 0x01F00FFF
106
107 #define HARMONY_GAIN_HE_SHIFT 27 /* headphones enabled */
108 #define HARMONY_GAIN_HE_MASK (1 << HARMONY_GAIN_HE_SHIFT)
109 #define HARMONY_GAIN_LE_SHIFT 26 /* line-out enabled */
110 #define HARMONY_GAIN_LE_MASK (1 << HARMONY_GAIN_LE_SHIFT)
111 #define HARMONY_GAIN_SE_SHIFT 25 /* internal-speaker enabled */
112 #define HARMONY_GAIN_SE_MASK (1 << HARMONY_GAIN_SE_SHIFT)
113 #define HARMONY_GAIN_IS_SHIFT 24 /* input select - 0 for line, 1 for mic */
114 #define HARMONY_GAIN_IS_MASK (1 << HARMONY_GAIN_IS_SHIFT)
115
116 /* monitor attenuation */
117 #define HARMONY_GAIN_MA 0x0f
118 #define HARMONY_GAIN_MA_SHIFT 20
119 #define HARMONY_GAIN_MA_MASK (HARMONY_GAIN_MA << HARMONY_GAIN_MA_SHIFT)
120
121 /* input gain */
122 #define HARMONY_GAIN_IN 0x0f
123 #define HARMONY_GAIN_LI_SHIFT 16
124 #define HARMONY_GAIN_LI_MASK (HARMONY_GAIN_IN << HARMONY_GAIN_LI_SHIFT)
125 #define HARMONY_GAIN_RI_SHIFT 12
126 #define HARMONY_GAIN_RI_MASK (HARMONY_GAIN_IN << HARMONY_GAIN_RI_SHIFT)
127
128 /* output gain (master volume) */
129 #define HARMONY_GAIN_OUT 0x3f
130 #define HARMONY_GAIN_LO_SHIFT 6
131 #define HARMONY_GAIN_LO_MASK (HARMONY_GAIN_OUT << HARMONY_GAIN_LO_SHIFT)
132 #define HARMONY_GAIN_RO_SHIFT 0
133 #define HARMONY_GAIN_RO_MASK (HARMONY_GAIN_OUT << HARMONY_GAIN_RO_SHIFT)
134
135 #define HARMONY_MAX_OUT (HARMONY_GAIN_RO_MASK >> HARMONY_GAIN_RO_SHIFT)
136 #define HARMONY_MAX_IN (HARMONY_GAIN_RI_MASK >> HARMONY_GAIN_RI_SHIFT)
137 #define HARMONY_MAX_MON (HARMONY_GAIN_MA_MASK >> HARMONY_GAIN_MA_SHIFT)
138
139 #define HARMONY_SR_8KHZ 0x08
140 #define HARMONY_SR_16KHZ 0x09
141 #define HARMONY_SR_27KHZ 0x0A
142 #define HARMONY_SR_32KHZ 0x0B
143 #define HARMONY_SR_48KHZ 0x0E
144 #define HARMONY_SR_9KHZ 0x0F
145 #define HARMONY_SR_5KHZ 0x10
146 #define HARMONY_SR_11KHZ 0x11
147 #define HARMONY_SR_18KHZ 0x12
148 #define HARMONY_SR_22KHZ 0x13
149 #define HARMONY_SR_37KHZ 0x14
150 #define HARMONY_SR_44KHZ 0x15
151 #define HARMONY_SR_33KHZ 0x16
152 #define HARMONY_SR_6KHZ 0x17
153
154 #endif /* __HARMONY_H__ */
155
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