Commit | Line | Data |
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96e5fbb0 TS |
1 | /* |
2 | * tascam-proc.h - a part of driver for TASCAM FireWire series | |
3 | * | |
4 | * Copyright (c) 2015 Takashi Sakamoto | |
5 | * | |
6 | * Licensed under the terms of the GNU General Public License, version 2. | |
7 | */ | |
8 | ||
9 | #include "./tascam.h" | |
10 | ||
11 | static void proc_read_firmware(struct snd_info_entry *entry, | |
12 | struct snd_info_buffer *buffer) | |
13 | { | |
14 | struct snd_tscm *tscm = entry->private_data; | |
15 | __be32 data; | |
16 | unsigned int reg, fpga, arm, hw; | |
17 | int err; | |
18 | ||
19 | err = snd_fw_transaction(tscm->unit, TCODE_READ_QUADLET_REQUEST, | |
20 | TSCM_ADDR_BASE + TSCM_OFFSET_FIRMWARE_REGISTER, | |
21 | &data, sizeof(data), 0); | |
22 | if (err < 0) | |
23 | return; | |
24 | reg = be32_to_cpu(data); | |
25 | ||
26 | err = snd_fw_transaction(tscm->unit, TCODE_READ_QUADLET_REQUEST, | |
27 | TSCM_ADDR_BASE + TSCM_OFFSET_FIRMWARE_FPGA, | |
28 | &data, sizeof(data), 0); | |
29 | if (err < 0) | |
30 | return; | |
31 | fpga = be32_to_cpu(data); | |
32 | ||
33 | err = snd_fw_transaction(tscm->unit, TCODE_READ_QUADLET_REQUEST, | |
34 | TSCM_ADDR_BASE + TSCM_OFFSET_FIRMWARE_ARM, | |
35 | &data, sizeof(data), 0); | |
36 | if (err < 0) | |
37 | return; | |
38 | arm = be32_to_cpu(data); | |
39 | ||
40 | err = snd_fw_transaction(tscm->unit, TCODE_READ_QUADLET_REQUEST, | |
41 | TSCM_ADDR_BASE + TSCM_OFFSET_FIRMWARE_HW, | |
42 | &data, sizeof(data), 0); | |
43 | if (err < 0) | |
44 | return; | |
45 | hw = be32_to_cpu(data); | |
46 | ||
47 | snd_iprintf(buffer, "Register: %d (0x%08x)\n", reg & 0xffff, reg); | |
48 | snd_iprintf(buffer, "FPGA: %d (0x%08x)\n", fpga & 0xffff, fpga); | |
49 | snd_iprintf(buffer, "ARM: %d (0x%08x)\n", arm & 0xffff, arm); | |
50 | snd_iprintf(buffer, "Hardware: %d (0x%08x)\n", hw >> 16, hw); | |
51 | } | |
52 | ||
53 | static void add_node(struct snd_tscm *tscm, struct snd_info_entry *root, | |
54 | const char *name, | |
55 | void (*op)(struct snd_info_entry *e, | |
56 | struct snd_info_buffer *b)) | |
57 | { | |
58 | struct snd_info_entry *entry; | |
59 | ||
60 | entry = snd_info_create_card_entry(tscm->card, name, root); | |
61 | if (entry == NULL) | |
62 | return; | |
63 | ||
64 | snd_info_set_text_ops(entry, tscm, op); | |
65 | if (snd_info_register(entry) < 0) | |
66 | snd_info_free_entry(entry); | |
67 | } | |
68 | ||
69 | void snd_tscm_proc_init(struct snd_tscm *tscm) | |
70 | { | |
71 | struct snd_info_entry *root; | |
72 | ||
73 | /* | |
74 | * All nodes are automatically removed at snd_card_disconnect(), | |
75 | * by following to link list. | |
76 | */ | |
77 | root = snd_info_create_card_entry(tscm->card, "firewire", | |
78 | tscm->card->proc_root); | |
79 | if (root == NULL) | |
80 | return; | |
6a73cf46 | 81 | root->mode = S_IFDIR | 0555; |
96e5fbb0 TS |
82 | if (snd_info_register(root) < 0) { |
83 | snd_info_free_entry(root); | |
84 | return; | |
85 | } | |
86 | ||
87 | add_node(tscm, root, "firmware", proc_read_firmware); | |
88 | } |