| xj | b04a402 | 2021-11-25 15:01:52 +0800 | [diff] [blame] | 1 | /* |
| 2 | * oxfw_proc.c - a part of driver for OXFW970/971 based devices |
| 3 | * |
| 4 | * Copyright (c) 2014 Takashi Sakamoto |
| 5 | * |
| 6 | * Licensed under the terms of the GNU General Public License, version 2. |
| 7 | */ |
| 8 | |
| 9 | #include "./oxfw.h" |
| 10 | |
| 11 | static void proc_read_formation(struct snd_info_entry *entry, |
| 12 | struct snd_info_buffer *buffer) |
| 13 | { |
| 14 | struct snd_oxfw *oxfw = entry->private_data; |
| 15 | struct snd_oxfw_stream_formation formation, curr; |
| 16 | u8 *format; |
| 17 | char flag; |
| 18 | int i, err; |
| 19 | |
| 20 | /* Show input. */ |
| 21 | err = snd_oxfw_stream_get_current_formation(oxfw, |
| 22 | AVC_GENERAL_PLUG_DIR_IN, |
| 23 | &curr); |
| 24 | if (err < 0) |
| 25 | return; |
| 26 | |
| 27 | snd_iprintf(buffer, "Input Stream to device:\n"); |
| 28 | snd_iprintf(buffer, "\tRate\tPCM\tMIDI\n"); |
| 29 | for (i = 0; i < SND_OXFW_STREAM_FORMAT_ENTRIES; i++) { |
| 30 | format = oxfw->rx_stream_formats[i]; |
| 31 | if (format == NULL) |
| 32 | continue; |
| 33 | |
| 34 | err = snd_oxfw_stream_parse_format(format, &formation); |
| 35 | if (err < 0) |
| 36 | continue; |
| 37 | |
| 38 | if (memcmp(&formation, &curr, sizeof(curr)) == 0) |
| 39 | flag = '*'; |
| 40 | else |
| 41 | flag = ' '; |
| 42 | |
| 43 | snd_iprintf(buffer, "%c\t%d\t%d\t%d\n", flag, |
| 44 | formation.rate, formation.pcm, formation.midi); |
| 45 | } |
| 46 | |
| 47 | if (!oxfw->has_output) |
| 48 | return; |
| 49 | |
| 50 | /* Show output. */ |
| 51 | err = snd_oxfw_stream_get_current_formation(oxfw, |
| 52 | AVC_GENERAL_PLUG_DIR_OUT, |
| 53 | &curr); |
| 54 | if (err < 0) |
| 55 | return; |
| 56 | |
| 57 | snd_iprintf(buffer, "Output Stream from device:\n"); |
| 58 | snd_iprintf(buffer, "\tRate\tPCM\tMIDI\n"); |
| 59 | for (i = 0; i < SND_OXFW_STREAM_FORMAT_ENTRIES; i++) { |
| 60 | format = oxfw->tx_stream_formats[i]; |
| 61 | if (format == NULL) |
| 62 | continue; |
| 63 | |
| 64 | err = snd_oxfw_stream_parse_format(format, &formation); |
| 65 | if (err < 0) |
| 66 | continue; |
| 67 | |
| 68 | if (memcmp(&formation, &curr, sizeof(curr)) == 0) |
| 69 | flag = '*'; |
| 70 | else |
| 71 | flag = ' '; |
| 72 | |
| 73 | snd_iprintf(buffer, "%c\t%d\t%d\t%d\n", flag, |
| 74 | formation.rate, formation.pcm, formation.midi); |
| 75 | } |
| 76 | } |
| 77 | |
| 78 | static void add_node(struct snd_oxfw *oxfw, struct snd_info_entry *root, |
| 79 | const char *name, |
| 80 | void (*op)(struct snd_info_entry *e, |
| 81 | struct snd_info_buffer *b)) |
| 82 | { |
| 83 | struct snd_info_entry *entry; |
| 84 | |
| 85 | entry = snd_info_create_card_entry(oxfw->card, name, root); |
| 86 | if (entry == NULL) |
| 87 | return; |
| 88 | |
| 89 | snd_info_set_text_ops(entry, oxfw, op); |
| 90 | if (snd_info_register(entry) < 0) |
| 91 | snd_info_free_entry(entry); |
| 92 | } |
| 93 | |
| 94 | void snd_oxfw_proc_init(struct snd_oxfw *oxfw) |
| 95 | { |
| 96 | struct snd_info_entry *root; |
| 97 | |
| 98 | /* |
| 99 | * All nodes are automatically removed at snd_card_disconnect(), |
| 100 | * by following to link list. |
| 101 | */ |
| 102 | root = snd_info_create_card_entry(oxfw->card, "firewire", |
| 103 | oxfw->card->proc_root); |
| 104 | if (root == NULL) |
| 105 | return; |
| 106 | root->mode = S_IFDIR | 0555; |
| 107 | if (snd_info_register(root) < 0) { |
| 108 | snd_info_free_entry(root); |
| 109 | return; |
| 110 | } |
| 111 | |
| 112 | add_node(oxfw, root, "formation", proc_read_formation); |
| 113 | } |