blob: bfd4a4c06914aa6eb12554990423062ee9e2dc1a [file] [log] [blame]
Takashi Sakamoto96e5fbb2015-10-01 22:02:13 +09001/*
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
11static 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
53static 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
69void 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;
81 root->mode = S_IFDIR | S_IRUGO | S_IXUGO;
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}