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
8struct harmony_buffer {
9        unsigned long addr;
10        int buf;
11        int count;
12        int size;
13        int coherent;
14};
15
16struct 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