1 // SPDX-License-Identifier: GPL-2.0-only <<
2 /* 1 /*
3 * digi00x-proc.c - a part of driver for Digid 2 * digi00x-proc.c - a part of driver for Digidesign Digi 002/003 family
4 * 3 *
5 * Copyright (c) 2014-2015 Takashi Sakamoto 4 * Copyright (c) 2014-2015 Takashi Sakamoto
>> 5 *
>> 6 * Licensed under the terms of the GNU General Public License, version 2.
6 */ 7 */
7 8
8 #include "digi00x.h" 9 #include "digi00x.h"
9 10
10 static int get_optical_iface_mode(struct snd_d 11 static int get_optical_iface_mode(struct snd_dg00x *dg00x,
11 enum snd_dg0 12 enum snd_dg00x_optical_mode *mode)
12 { 13 {
13 __be32 data; 14 __be32 data;
14 int err; 15 int err;
15 16
16 err = snd_fw_transaction(dg00x->unit, 17 err = snd_fw_transaction(dg00x->unit, TCODE_READ_QUADLET_REQUEST,
17 DG00X_ADDR_BA 18 DG00X_ADDR_BASE + DG00X_OFFSET_OPT_IFACE_MODE,
18 &data, sizeof 19 &data, sizeof(data), 0);
19 if (err >= 0) 20 if (err >= 0)
20 *mode = be32_to_cpu(data) & 0x 21 *mode = be32_to_cpu(data) & 0x01;
21 22
22 return err; 23 return err;
23 } 24 }
24 25
25 static void proc_read_clock(struct snd_info_en 26 static void proc_read_clock(struct snd_info_entry *entry,
26 struct snd_info_bu 27 struct snd_info_buffer *buf)
27 { 28 {
28 static const char *const source_name[] 29 static const char *const source_name[] = {
29 [SND_DG00X_CLOCK_INTERNAL] = " 30 [SND_DG00X_CLOCK_INTERNAL] = "internal",
30 [SND_DG00X_CLOCK_SPDIF] = "s/p 31 [SND_DG00X_CLOCK_SPDIF] = "s/pdif",
31 [SND_DG00X_CLOCK_ADAT] = "adat 32 [SND_DG00X_CLOCK_ADAT] = "adat",
32 [SND_DG00X_CLOCK_WORD] = "word 33 [SND_DG00X_CLOCK_WORD] = "word clock",
33 }; 34 };
34 static const char *const optical_name[ 35 static const char *const optical_name[] = {
35 [SND_DG00X_OPT_IFACE_MODE_ADAT 36 [SND_DG00X_OPT_IFACE_MODE_ADAT] = "adat",
36 [SND_DG00X_OPT_IFACE_MODE_SPDI 37 [SND_DG00X_OPT_IFACE_MODE_SPDIF] = "s/pdif",
37 }; 38 };
38 struct snd_dg00x *dg00x = entry->priva 39 struct snd_dg00x *dg00x = entry->private_data;
39 enum snd_dg00x_optical_mode mode; 40 enum snd_dg00x_optical_mode mode;
40 unsigned int rate; 41 unsigned int rate;
41 enum snd_dg00x_clock clock; 42 enum snd_dg00x_clock clock;
42 bool detect; 43 bool detect;
43 44
44 if (get_optical_iface_mode(dg00x, &mod 45 if (get_optical_iface_mode(dg00x, &mode) < 0)
45 return; 46 return;
46 if (snd_dg00x_stream_get_local_rate(dg 47 if (snd_dg00x_stream_get_local_rate(dg00x, &rate) < 0)
47 return; 48 return;
48 if (snd_dg00x_stream_get_clock(dg00x, 49 if (snd_dg00x_stream_get_clock(dg00x, &clock) < 0)
49 return; 50 return;
50 51
51 snd_iprintf(buf, "Optical mode: %s\n", 52 snd_iprintf(buf, "Optical mode: %s\n", optical_name[mode]);
52 snd_iprintf(buf, "Sampling Rate: %d\n" 53 snd_iprintf(buf, "Sampling Rate: %d\n", rate);
53 snd_iprintf(buf, "Clock Source: %s\n", 54 snd_iprintf(buf, "Clock Source: %s\n", source_name[clock]);
54 55
55 if (clock == SND_DG00X_CLOCK_INTERNAL) 56 if (clock == SND_DG00X_CLOCK_INTERNAL)
56 return; 57 return;
57 58
58 if (snd_dg00x_stream_check_external_cl 59 if (snd_dg00x_stream_check_external_clock(dg00x, &detect) < 0)
59 return; 60 return;
60 snd_iprintf(buf, "External source: %s\ 61 snd_iprintf(buf, "External source: %s\n", detect ? "detected" : "not");
61 if (!detect) 62 if (!detect)
62 return; 63 return;
63 64
64 if (snd_dg00x_stream_get_external_rate 65 if (snd_dg00x_stream_get_external_rate(dg00x, &rate) >= 0)
65 snd_iprintf(buf, "External sam 66 snd_iprintf(buf, "External sampling rate: %d\n", rate);
66 } 67 }
67 68
68 void snd_dg00x_proc_init(struct snd_dg00x *dg0 69 void snd_dg00x_proc_init(struct snd_dg00x *dg00x)
69 { 70 {
70 struct snd_info_entry *root, *entry; 71 struct snd_info_entry *root, *entry;
71 72
72 /* 73 /*
73 * All nodes are automatically removed 74 * All nodes are automatically removed at snd_card_disconnect(),
74 * by following to link list. 75 * by following to link list.
75 */ 76 */
76 root = snd_info_create_card_entry(dg00 77 root = snd_info_create_card_entry(dg00x->card, "firewire",
77 dg00 78 dg00x->card->proc_root);
78 if (root == NULL) 79 if (root == NULL)
79 return; 80 return;
80 81
81 root->mode = S_IFDIR | 0555; !! 82 root->mode = S_IFDIR | S_IRUGO | S_IXUGO;
>> 83 if (snd_info_register(root) < 0) {
>> 84 snd_info_free_entry(root);
>> 85 return;
>> 86 }
82 87
83 entry = snd_info_create_card_entry(dg0 88 entry = snd_info_create_card_entry(dg00x->card, "clock", root);
84 if (entry) !! 89 if (entry == NULL) {
85 snd_info_set_text_ops(entry, d !! 90 snd_info_free_entry(root);
>> 91 return;
>> 92 }
>> 93
>> 94 snd_info_set_text_ops(entry, dg00x, proc_read_clock);
>> 95 if (snd_info_register(entry) < 0) {
>> 96 snd_info_free_entry(entry);
>> 97 snd_info_free_entry(root);
>> 98 }
86 } 99 }
87 100
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.