1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-only
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * tascam-proc.h - a part of driver for TASCAM FireWire series
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Copyright (c) 2015 Takashi Sakamoto
6*4882a593Smuzhiyun */
7*4882a593Smuzhiyun
8*4882a593Smuzhiyun #include "./tascam.h"
9*4882a593Smuzhiyun
proc_read_firmware(struct snd_info_entry * entry,struct snd_info_buffer * buffer)10*4882a593Smuzhiyun static void proc_read_firmware(struct snd_info_entry *entry,
11*4882a593Smuzhiyun struct snd_info_buffer *buffer)
12*4882a593Smuzhiyun {
13*4882a593Smuzhiyun struct snd_tscm *tscm = entry->private_data;
14*4882a593Smuzhiyun __be32 data;
15*4882a593Smuzhiyun unsigned int reg, fpga, arm, hw;
16*4882a593Smuzhiyun int err;
17*4882a593Smuzhiyun
18*4882a593Smuzhiyun err = snd_fw_transaction(tscm->unit, TCODE_READ_QUADLET_REQUEST,
19*4882a593Smuzhiyun TSCM_ADDR_BASE + TSCM_OFFSET_FIRMWARE_REGISTER,
20*4882a593Smuzhiyun &data, sizeof(data), 0);
21*4882a593Smuzhiyun if (err < 0)
22*4882a593Smuzhiyun return;
23*4882a593Smuzhiyun reg = be32_to_cpu(data);
24*4882a593Smuzhiyun
25*4882a593Smuzhiyun err = snd_fw_transaction(tscm->unit, TCODE_READ_QUADLET_REQUEST,
26*4882a593Smuzhiyun TSCM_ADDR_BASE + TSCM_OFFSET_FIRMWARE_FPGA,
27*4882a593Smuzhiyun &data, sizeof(data), 0);
28*4882a593Smuzhiyun if (err < 0)
29*4882a593Smuzhiyun return;
30*4882a593Smuzhiyun fpga = be32_to_cpu(data);
31*4882a593Smuzhiyun
32*4882a593Smuzhiyun err = snd_fw_transaction(tscm->unit, TCODE_READ_QUADLET_REQUEST,
33*4882a593Smuzhiyun TSCM_ADDR_BASE + TSCM_OFFSET_FIRMWARE_ARM,
34*4882a593Smuzhiyun &data, sizeof(data), 0);
35*4882a593Smuzhiyun if (err < 0)
36*4882a593Smuzhiyun return;
37*4882a593Smuzhiyun arm = be32_to_cpu(data);
38*4882a593Smuzhiyun
39*4882a593Smuzhiyun err = snd_fw_transaction(tscm->unit, TCODE_READ_QUADLET_REQUEST,
40*4882a593Smuzhiyun TSCM_ADDR_BASE + TSCM_OFFSET_FIRMWARE_HW,
41*4882a593Smuzhiyun &data, sizeof(data), 0);
42*4882a593Smuzhiyun if (err < 0)
43*4882a593Smuzhiyun return;
44*4882a593Smuzhiyun hw = be32_to_cpu(data);
45*4882a593Smuzhiyun
46*4882a593Smuzhiyun snd_iprintf(buffer, "Register: %d (0x%08x)\n", reg & 0xffff, reg);
47*4882a593Smuzhiyun snd_iprintf(buffer, "FPGA: %d (0x%08x)\n", fpga & 0xffff, fpga);
48*4882a593Smuzhiyun snd_iprintf(buffer, "ARM: %d (0x%08x)\n", arm & 0xffff, arm);
49*4882a593Smuzhiyun snd_iprintf(buffer, "Hardware: %d (0x%08x)\n", hw >> 16, hw);
50*4882a593Smuzhiyun }
51*4882a593Smuzhiyun
add_node(struct snd_tscm * tscm,struct snd_info_entry * root,const char * name,void (* op)(struct snd_info_entry * e,struct snd_info_buffer * b))52*4882a593Smuzhiyun static void add_node(struct snd_tscm *tscm, struct snd_info_entry *root,
53*4882a593Smuzhiyun const char *name,
54*4882a593Smuzhiyun void (*op)(struct snd_info_entry *e,
55*4882a593Smuzhiyun struct snd_info_buffer *b))
56*4882a593Smuzhiyun {
57*4882a593Smuzhiyun struct snd_info_entry *entry;
58*4882a593Smuzhiyun
59*4882a593Smuzhiyun entry = snd_info_create_card_entry(tscm->card, name, root);
60*4882a593Smuzhiyun if (entry)
61*4882a593Smuzhiyun snd_info_set_text_ops(entry, tscm, op);
62*4882a593Smuzhiyun }
63*4882a593Smuzhiyun
snd_tscm_proc_init(struct snd_tscm * tscm)64*4882a593Smuzhiyun void snd_tscm_proc_init(struct snd_tscm *tscm)
65*4882a593Smuzhiyun {
66*4882a593Smuzhiyun struct snd_info_entry *root;
67*4882a593Smuzhiyun
68*4882a593Smuzhiyun /*
69*4882a593Smuzhiyun * All nodes are automatically removed at snd_card_disconnect(),
70*4882a593Smuzhiyun * by following to link list.
71*4882a593Smuzhiyun */
72*4882a593Smuzhiyun root = snd_info_create_card_entry(tscm->card, "firewire",
73*4882a593Smuzhiyun tscm->card->proc_root);
74*4882a593Smuzhiyun if (root == NULL)
75*4882a593Smuzhiyun return;
76*4882a593Smuzhiyun root->mode = S_IFDIR | 0555;
77*4882a593Smuzhiyun
78*4882a593Smuzhiyun add_node(tscm, root, "firmware", proc_read_firmware);
79*4882a593Smuzhiyun }
80