clk: imx: correct i.MX7D AV PLL num/denom offset
[sfrench/cifs-2.6.git] / sound / firewire / tascam / tascam-proc.c
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)
62                 snd_info_set_text_ops(entry, tscm, op);
63 }
64
65 void snd_tscm_proc_init(struct snd_tscm *tscm)
66 {
67         struct snd_info_entry *root;
68
69         /*
70          * All nodes are automatically removed at snd_card_disconnect(),
71          * by following to link list.
72          */
73         root = snd_info_create_card_entry(tscm->card, "firewire",
74                                           tscm->card->proc_root);
75         if (root == NULL)
76                 return;
77         root->mode = S_IFDIR | 0555;
78
79         add_node(tscm, root, "firmware", proc_read_firmware);
80 }