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189 lines
5.0 KiB
189 lines
5.0 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* bebob_proc.c - a part of driver for BeBoB based devices |
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* |
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* Copyright (c) 2013-2014 Takashi Sakamoto |
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*/ |
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#include "./bebob.h" |
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/* contents of information register */ |
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struct hw_info { |
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u64 manufacturer; |
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u32 protocol_ver; |
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u32 bld_ver; |
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u32 guid[2]; |
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u32 model_id; |
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u32 model_rev; |
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u64 fw_date; |
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u64 fw_time; |
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u32 fw_id; |
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u32 fw_ver; |
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u32 base_addr; |
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u32 max_size; |
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u64 bld_date; |
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u64 bld_time; |
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/* may not used in product |
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u64 dbg_date; |
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u64 dbg_time; |
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u32 dbg_id; |
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u32 dbg_version; |
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*/ |
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} __packed; |
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static void |
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proc_read_hw_info(struct snd_info_entry *entry, |
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struct snd_info_buffer *buffer) |
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{ |
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struct snd_bebob *bebob = entry->private_data; |
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struct hw_info *info; |
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info = kzalloc(sizeof(struct hw_info), GFP_KERNEL); |
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if (info == NULL) |
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return; |
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if (snd_bebob_read_block(bebob->unit, 0, |
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info, sizeof(struct hw_info)) < 0) |
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goto end; |
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snd_iprintf(buffer, "Manufacturer:\t%.8s\n", |
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(char *)&info->manufacturer); |
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snd_iprintf(buffer, "Protocol Ver:\t%d\n", info->protocol_ver); |
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snd_iprintf(buffer, "Build Ver:\t%d\n", info->bld_ver); |
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snd_iprintf(buffer, "GUID:\t\t0x%.8X%.8X\n", |
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info->guid[0], info->guid[1]); |
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snd_iprintf(buffer, "Model ID:\t0x%02X\n", info->model_id); |
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snd_iprintf(buffer, "Model Rev:\t%d\n", info->model_rev); |
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snd_iprintf(buffer, "Firmware Date:\t%.8s\n", (char *)&info->fw_date); |
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snd_iprintf(buffer, "Firmware Time:\t%.8s\n", (char *)&info->fw_time); |
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snd_iprintf(buffer, "Firmware ID:\t0x%X\n", info->fw_id); |
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snd_iprintf(buffer, "Firmware Ver:\t%d\n", info->fw_ver); |
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snd_iprintf(buffer, "Base Addr:\t0x%X\n", info->base_addr); |
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snd_iprintf(buffer, "Max Size:\t%d\n", info->max_size); |
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snd_iprintf(buffer, "Loader Date:\t%.8s\n", (char *)&info->bld_date); |
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snd_iprintf(buffer, "Loader Time:\t%.8s\n", (char *)&info->bld_time); |
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end: |
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kfree(info); |
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} |
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static void |
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proc_read_meters(struct snd_info_entry *entry, |
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struct snd_info_buffer *buffer) |
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{ |
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struct snd_bebob *bebob = entry->private_data; |
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const struct snd_bebob_meter_spec *spec = bebob->spec->meter; |
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u32 *buf; |
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unsigned int i, c, channels, size; |
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if (spec == NULL) |
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return; |
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channels = spec->num * 2; |
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size = channels * sizeof(u32); |
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buf = kmalloc(size, GFP_KERNEL); |
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if (buf == NULL) |
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return; |
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if (spec->get(bebob, buf, size) < 0) |
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goto end; |
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for (i = 0, c = 1; i < channels; i++) { |
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snd_iprintf(buffer, "%s %d:\t%d\n", |
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spec->labels[i / 2], c++, buf[i]); |
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if ((i + 1 < channels - 1) && |
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(strcmp(spec->labels[i / 2], |
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spec->labels[(i + 1) / 2]) != 0)) |
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c = 1; |
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} |
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end: |
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kfree(buf); |
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} |
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static void |
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proc_read_formation(struct snd_info_entry *entry, |
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struct snd_info_buffer *buffer) |
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{ |
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struct snd_bebob *bebob = entry->private_data; |
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struct snd_bebob_stream_formation *formation; |
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unsigned int i; |
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snd_iprintf(buffer, "Output Stream from device:\n"); |
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snd_iprintf(buffer, "\tRate\tPCM\tMIDI\n"); |
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formation = bebob->tx_stream_formations; |
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for (i = 0; i < SND_BEBOB_STRM_FMT_ENTRIES; i++) { |
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snd_iprintf(buffer, |
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"\t%d\t%d\t%d\n", snd_bebob_rate_table[i], |
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formation[i].pcm, formation[i].midi); |
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} |
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snd_iprintf(buffer, "Input Stream to device:\n"); |
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snd_iprintf(buffer, "\tRate\tPCM\tMIDI\n"); |
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formation = bebob->rx_stream_formations; |
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for (i = 0; i < SND_BEBOB_STRM_FMT_ENTRIES; i++) { |
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snd_iprintf(buffer, |
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"\t%d\t%d\t%d\n", snd_bebob_rate_table[i], |
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formation[i].pcm, formation[i].midi); |
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} |
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} |
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static void |
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proc_read_clock(struct snd_info_entry *entry, |
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struct snd_info_buffer *buffer) |
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{ |
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static const char *const clk_labels[] = { |
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"Internal", |
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"External", |
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"SYT-Match", |
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}; |
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struct snd_bebob *bebob = entry->private_data; |
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const struct snd_bebob_rate_spec *rate_spec = bebob->spec->rate; |
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const struct snd_bebob_clock_spec *clk_spec = bebob->spec->clock; |
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enum snd_bebob_clock_type src; |
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unsigned int rate; |
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if (rate_spec->get(bebob, &rate) >= 0) |
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snd_iprintf(buffer, "Sampling rate: %d\n", rate); |
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if (snd_bebob_stream_get_clock_src(bebob, &src) >= 0) { |
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if (clk_spec) |
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snd_iprintf(buffer, "Clock Source: %s\n", |
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clk_labels[src]); |
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else |
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snd_iprintf(buffer, "Clock Source: %s (MSU-dest: %d)\n", |
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clk_labels[src], bebob->sync_input_plug); |
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} |
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} |
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static void |
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add_node(struct snd_bebob *bebob, struct snd_info_entry *root, const char *name, |
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void (*op)(struct snd_info_entry *e, struct snd_info_buffer *b)) |
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{ |
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struct snd_info_entry *entry; |
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entry = snd_info_create_card_entry(bebob->card, name, root); |
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if (entry) |
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snd_info_set_text_ops(entry, bebob, op); |
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} |
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void snd_bebob_proc_init(struct snd_bebob *bebob) |
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{ |
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struct snd_info_entry *root; |
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/* |
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* All nodes are automatically removed at snd_card_disconnect(), |
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* by following to link list. |
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*/ |
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root = snd_info_create_card_entry(bebob->card, "firewire", |
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bebob->card->proc_root); |
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if (root == NULL) |
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return; |
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root->mode = S_IFDIR | 0555; |
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add_node(bebob, root, "clock", proc_read_clock); |
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add_node(bebob, root, "firmware", proc_read_hw_info); |
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add_node(bebob, root, "formation", proc_read_formation); |
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if (bebob->spec->meter != NULL) |
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add_node(bebob, root, "meter", proc_read_meters); |
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}
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