xref: /openbmc/linux/sound/parisc/harmony.h (revision b2441318)
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 
9 struct harmony_buffer {
10         unsigned long addr;
11         int buf;
12         int count;
13         int size;
14         int coherent;
15 };
16 
17 struct 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