1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
|
/*
* bebob_focusrite.c - a part of driver for BeBoB based devices
*
* Copyright (c) 2013-2014 Takashi Sakamoto
*
* Licensed under the terms of the GNU General Public License, version 2.
*/
#include "./bebob.h"
#define ANA_IN "Analog In"
#define DIG_IN "Digital In"
#define ANA_OUT "Analog Out"
#define DIG_OUT "Digital Out"
#define STM_IN "Stream In"
#define SAFFIRE_ADDRESS_BASE 0x000100000000ULL
#define SAFFIRE_OFFSET_CLOCK_SOURCE 0x00f8
#define SAFFIREPRO_OFFSET_CLOCK_SOURCE 0x0174
/* whether sync to external device or not */
#define SAFFIRE_OFFSET_CLOCK_SYNC_EXT 0x013c
#define SAFFIRE_LE_OFFSET_CLOCK_SYNC_EXT 0x0432
#define SAFFIREPRO_OFFSET_CLOCK_SYNC_EXT 0x0164
#define SAFFIRE_CLOCK_SOURCE_INTERNAL 0
#define SAFFIRE_CLOCK_SOURCE_SPDIF 1
/* '1' is absent, why... */
#define SAFFIREPRO_CLOCK_SOURCE_INTERNAL 0
#define SAFFIREPRO_CLOCK_SOURCE_SPDIF 2
#define SAFFIREPRO_CLOCK_SOURCE_ADAT1 3
#define SAFFIREPRO_CLOCK_SOURCE_ADAT2 4
#define SAFFIREPRO_CLOCK_SOURCE_WORDCLOCK 5
/* S/PDIF, ADAT1, ADAT2 is enabled or not. three quadlets */
#define SAFFIREPRO_ENABLE_DIG_IFACES 0x01a4
/* saffirepro has its own parameter for sampling frequency */
#define SAFFIREPRO_RATE_NOREBOOT 0x01cc
/* index is the value for this register */
static const unsigned int rates[] = {
[0] = 0,
[1] = 44100,
[2] = 48000,
[3] = 88200,
[4] = 96000,
[5] = 176400,
[6] = 192000
};
/* saffire(no label)/saffire LE has metering */
#define SAFFIRE_OFFSET_METER 0x0100
#define SAFFIRE_LE_OFFSET_METER 0x0168
static inline int
saffire_read_block(struct snd_bebob *bebob, u64 offset,
u32 *buf, unsigned int size)
{
unsigned int i;
int err;
__be32 *tmp = (__be32 *)buf;
err = snd_fw_transaction(bebob->unit, TCODE_READ_BLOCK_REQUEST,
SAFFIRE_ADDRESS_BASE + offset,
tmp, size, 0);
if (err < 0)
goto end;
for (i = 0; i < size / sizeof(u32); i++)
buf[i] = be32_to_cpu(tmp[i]);
end:
return err;
}
static inline int
saffire_read_quad(struct snd_bebob *bebob, u64 offset, u32 *value)
{
int err;
__be32 tmp;
err = snd_fw_transaction(bebob->unit, TCODE_READ_QUADLET_REQUEST,
SAFFIRE_ADDRESS_BASE + offset,
&tmp, sizeof(__be32), 0);
if (err < 0)
goto end;
*value = be32_to_cpu(tmp);
end:
return err;
}
static inline int
saffire_write_quad(struct snd_bebob *bebob, u64 offset, u32 value)
{
__be32 data = cpu_to_be32(value);
return snd_fw_transaction(bebob->unit, TCODE_WRITE_QUADLET_REQUEST,
SAFFIRE_ADDRESS_BASE + offset,
&data, sizeof(__be32), 0);
}
static char *const saffirepro_26_clk_src_labels[] = {
SND_BEBOB_CLOCK_INTERNAL, "S/PDIF", "ADAT1", "ADAT2", "Word Clock"
};
static char *const saffirepro_10_clk_src_labels[] = {
SND_BEBOB_CLOCK_INTERNAL, "S/PDIF", "Word Clock"
};
static int
saffirepro_both_clk_freq_get(struct snd_bebob *bebob, unsigned int *rate)
{
u32 id;
int err;
err = saffire_read_quad(bebob, SAFFIREPRO_RATE_NOREBOOT, &id);
if (err < 0)
goto end;
if (id >= ARRAY_SIZE(rates))
err = -EIO;
else
*rate = rates[id];
end:
return err;
}
static int
saffirepro_both_clk_freq_set(struct snd_bebob *bebob, unsigned int rate)
{
u32 id;
for (id = 0; id < ARRAY_SIZE(rates); id++) {
if (rates[id] == rate)
break;
}
if (id == ARRAY_SIZE(rates))
return -EINVAL;
return saffire_write_quad(bebob, SAFFIREPRO_RATE_NOREBOOT, id);
}
static int
saffirepro_both_clk_src_get(struct snd_bebob *bebob, unsigned int *id)
{
int err;
u32 value;
err = saffire_read_quad(bebob, SAFFIREPRO_OFFSET_CLOCK_SOURCE, &value);
if (err < 0)
goto end;
if (bebob->spec->clock->labels == saffirepro_10_clk_src_labels) {
if (value == SAFFIREPRO_CLOCK_SOURCE_WORDCLOCK)
*id = 2;
else if (value == SAFFIREPRO_CLOCK_SOURCE_SPDIF)
*id = 1;
} else if (value > 1) {
*id = value - 1;
}
end:
return err;
}
struct snd_bebob_spec saffire_le_spec;
static char *const saffire_both_clk_src_labels[] = {
SND_BEBOB_CLOCK_INTERNAL, "S/PDIF"
};
static int
saffire_both_clk_src_get(struct snd_bebob *bebob, unsigned int *id)
{
int err;
u32 value;
err = saffire_read_quad(bebob, SAFFIRE_OFFSET_CLOCK_SOURCE, &value);
if (err >= 0)
*id = 0xff & value;
return err;
};
static char *const saffire_le_meter_labels[] = {
ANA_IN, ANA_IN, DIG_IN,
ANA_OUT, ANA_OUT, ANA_OUT, ANA_OUT,
STM_IN, STM_IN
};
static char *const saffire_meter_labels[] = {
ANA_IN, ANA_IN,
STM_IN, STM_IN, STM_IN, STM_IN, STM_IN,
};
static int
saffire_meter_get(struct snd_bebob *bebob, u32 *buf, unsigned int size)
{
struct snd_bebob_meter_spec *spec = bebob->spec->meter;
unsigned int channels;
u64 offset;
int err;
if (spec->labels == saffire_le_meter_labels)
offset = SAFFIRE_LE_OFFSET_METER;
else
offset = SAFFIRE_OFFSET_METER;
channels = spec->num * 2;
if (size < channels * sizeof(u32))
return -EIO;
err = saffire_read_block(bebob, offset, buf, size);
if (err >= 0 && spec->labels == saffire_le_meter_labels) {
swap(buf[1], buf[3]);
swap(buf[2], buf[3]);
swap(buf[3], buf[4]);
swap(buf[7], buf[10]);
swap(buf[8], buf[10]);
swap(buf[9], buf[11]);
swap(buf[11], buf[12]);
swap(buf[15], buf[16]);
}
return err;
}
static struct snd_bebob_rate_spec saffirepro_both_rate_spec = {
.get = &saffirepro_both_clk_freq_get,
.set = &saffirepro_both_clk_freq_set,
};
/* Saffire Pro 26 I/O */
static struct snd_bebob_clock_spec saffirepro_26_clk_spec = {
.num = ARRAY_SIZE(saffirepro_26_clk_src_labels),
.labels = saffirepro_26_clk_src_labels,
.get = &saffirepro_both_clk_src_get,
};
struct snd_bebob_spec saffirepro_26_spec = {
.clock = &saffirepro_26_clk_spec,
.rate = &saffirepro_both_rate_spec,
.meter = NULL
};
/* Saffire Pro 10 I/O */
static struct snd_bebob_clock_spec saffirepro_10_clk_spec = {
.num = ARRAY_SIZE(saffirepro_10_clk_src_labels),
.labels = saffirepro_10_clk_src_labels,
.get = &saffirepro_both_clk_src_get,
};
struct snd_bebob_spec saffirepro_10_spec = {
.clock = &saffirepro_10_clk_spec,
.rate = &saffirepro_both_rate_spec,
.meter = NULL
};
static struct snd_bebob_rate_spec saffire_both_rate_spec = {
.get = &snd_bebob_stream_get_rate,
.set = &snd_bebob_stream_set_rate,
};
static struct snd_bebob_clock_spec saffire_both_clk_spec = {
.num = ARRAY_SIZE(saffire_both_clk_src_labels),
.labels = saffire_both_clk_src_labels,
.get = &saffire_both_clk_src_get,
};
/* Saffire LE */
static struct snd_bebob_meter_spec saffire_le_meter_spec = {
.num = ARRAY_SIZE(saffire_le_meter_labels),
.labels = saffire_le_meter_labels,
.get = &saffire_meter_get,
};
struct snd_bebob_spec saffire_le_spec = {
.clock = &saffire_both_clk_spec,
.rate = &saffire_both_rate_spec,
.meter = &saffire_le_meter_spec
};
/* Saffire */
static struct snd_bebob_meter_spec saffire_meter_spec = {
.num = ARRAY_SIZE(saffire_meter_labels),
.labels = saffire_meter_labels,
.get = &saffire_meter_get,
};
struct snd_bebob_spec saffire_spec = {
.clock = &saffire_both_clk_spec,
.rate = &saffire_both_rate_spec,
.meter = &saffire_meter_spec
};
|
