1/* SPDX-License-Identifier: GPL-2.0 */
2/* Hewlett-Packard Harmony audio driver
3 * Copyright (C) 2004, Kyle McMartin <kyle@parisc-linux.org>
4 */
5
6#ifndef __HARMONY_H__
7#define __HARMONY_H__
8
9struct harmony_buffer {
10        unsigned long addr;
11        int buf;
12        int count;
13        int size;
14        int coherent;
15};
16
17struct snd_harmony {
18        int irq;
19
20        unsigned long hpa; /* hard physical address */
21        void __iomem *iobase; /* remapped io address */
22
23        struct parisc_device *dev;
24
25        struct {
26                u32 gain;
27                u32 rate;
28                u32 format;
29                u32 stereo;
30		int playing;
31		int capturing;
32        } st;
33
34        struct snd_dma_device dma; /* playback/capture */
35        struct harmony_buffer pbuf;
36	struct harmony_buffer cbuf;
37
38        struct snd_dma_buffer gdma; /* graveyard */
39        struct snd_dma_buffer sdma; /* silence */
40
41        struct {
42                unsigned long play_intr;
43	        unsigned long rec_intr;
44                unsigned long graveyard_intr;
45                unsigned long silence_intr;
46        } stats;
47
48        struct snd_pcm *pcm;
49        struct snd_card *card;
50        struct snd_pcm_substream *psubs;
51	struct snd_pcm_substream *csubs;
52        struct snd_info_entry *proc;
53
54        spinlock_t lock;
55        spinlock_t mixer_lock;
56};
57
58#define MAX_PCM_DEVICES     1
59#define MAX_PCM_SUBSTREAMS  4
60#define MAX_MIDI_DEVICES    0
61
62#define HARMONY_SIZE       64
63
64#define BUF_SIZE     PAGE_SIZE
65#define MAX_BUFS     16
66#define MAX_BUF_SIZE (MAX_BUFS * BUF_SIZE)
67
68#define PLAYBACK_BUFS    MAX_BUFS
69#define RECORD_BUFS      MAX_BUFS
70#define GRAVEYARD_BUFS   1
71#define GRAVEYARD_BUFSZ  (GRAVEYARD_BUFS*BUF_SIZE)
72#define SILENCE_BUFS     1
73#define SILENCE_BUFSZ    (SILENCE_BUFS*BUF_SIZE)
74
75#define HARMONY_ID       0x000
76#define HARMONY_RESET    0x004
77#define HARMONY_CNTL     0x008
78#define HARMONY_GAINCTL  0x00c
79#define HARMONY_PNXTADD  0x010
80#define HARMONY_PCURADD  0x014
81#define HARMONY_RNXTADD  0x018
82#define HARMONY_RCURADD  0x01c
83#define HARMONY_DSTATUS  0x020
84#define HARMONY_OV       0x024
85#define HARMONY_PIO      0x028
86#define HARMONY_DIAG     0x03c
87
88#define HARMONY_CNTL_C          0x80000000
89#define HARMONY_CNTL_ST         0x00000020
90#define HARMONY_CNTL_44100      0x00000015      /* HARMONY_SR_44KHZ */
91#define HARMONY_CNTL_8000       0x00000008      /* HARMONY_SR_8KHZ */
92
93#define HARMONY_DSTATUS_ID      0x00000000 /* interrupts off */
94#define HARMONY_DSTATUS_PN      0x00000200 /* playback fill */
95#define HARMONY_DSTATUS_RN      0x00000002 /* record fill */
96#define HARMONY_DSTATUS_IE      0x80000000 /* interrupts on */
97
98#define HARMONY_DF_16BIT_LINEAR 0x00000000
99#define HARMONY_DF_8BIT_ULAW    0x00000001
100#define HARMONY_DF_8BIT_ALAW    0x00000002
101
102#define HARMONY_SS_MONO         0x00000000
103#define HARMONY_SS_STEREO       0x00000001
104
105#define HARMONY_GAIN_SILENCE    0x01F00FFF
106#define HARMONY_GAIN_DEFAULT    0x01F00FFF
107
108#define HARMONY_GAIN_HE_SHIFT   27 /* headphones enabled */
109#define HARMONY_GAIN_HE_MASK    (1 << HARMONY_GAIN_HE_SHIFT)
110#define HARMONY_GAIN_LE_SHIFT   26 /* line-out enabled */
111#define HARMONY_GAIN_LE_MASK    (1 << HARMONY_GAIN_LE_SHIFT)
112#define HARMONY_GAIN_SE_SHIFT   25 /* internal-speaker enabled */
113#define HARMONY_GAIN_SE_MASK    (1 << HARMONY_GAIN_SE_SHIFT)
114#define HARMONY_GAIN_IS_SHIFT   24 /* input select - 0 for line, 1 for mic */
115#define HARMONY_GAIN_IS_MASK    (1 << HARMONY_GAIN_IS_SHIFT)
116
117/* monitor attenuation */
118#define HARMONY_GAIN_MA         0x0f
119#define HARMONY_GAIN_MA_SHIFT   20
120#define HARMONY_GAIN_MA_MASK    (HARMONY_GAIN_MA << HARMONY_GAIN_MA_SHIFT)
121
122/* input gain */
123#define HARMONY_GAIN_IN         0x0f
124#define HARMONY_GAIN_LI_SHIFT   16
125#define HARMONY_GAIN_LI_MASK    (HARMONY_GAIN_IN << HARMONY_GAIN_LI_SHIFT)
126#define HARMONY_GAIN_RI_SHIFT   12
127#define HARMONY_GAIN_RI_MASK    (HARMONY_GAIN_IN << HARMONY_GAIN_RI_SHIFT)
128
129/* output gain (master volume) */
130#define HARMONY_GAIN_OUT        0x3f
131#define HARMONY_GAIN_LO_SHIFT   6
132#define HARMONY_GAIN_LO_MASK    (HARMONY_GAIN_OUT << HARMONY_GAIN_LO_SHIFT)
133#define HARMONY_GAIN_RO_SHIFT   0
134#define HARMONY_GAIN_RO_MASK    (HARMONY_GAIN_OUT << HARMONY_GAIN_RO_SHIFT)
135
136#define HARMONY_MAX_OUT (HARMONY_GAIN_RO_MASK >> HARMONY_GAIN_RO_SHIFT)
137#define HARMONY_MAX_IN  (HARMONY_GAIN_RI_MASK >> HARMONY_GAIN_RI_SHIFT)
138#define HARMONY_MAX_MON (HARMONY_GAIN_MA_MASK >> HARMONY_GAIN_MA_SHIFT)
139
140#define HARMONY_SR_8KHZ         0x08
141#define HARMONY_SR_16KHZ        0x09
142#define HARMONY_SR_27KHZ        0x0A
143#define HARMONY_SR_32KHZ        0x0B
144#define HARMONY_SR_48KHZ        0x0E
145#define HARMONY_SR_9KHZ         0x0F
146#define HARMONY_SR_5KHZ         0x10
147#define HARMONY_SR_11KHZ        0x11
148#define HARMONY_SR_18KHZ        0x12
149#define HARMONY_SR_22KHZ        0x13
150#define HARMONY_SR_37KHZ        0x14
151#define HARMONY_SR_44KHZ        0x15
152#define HARMONY_SR_33KHZ        0x16
153#define HARMONY_SR_6KHZ         0x17
154
155#endif /* __HARMONY_H__ */
156