mirror of https://gitee.com/openkylin/linux.git
199 lines
5.2 KiB
C
199 lines
5.2 KiB
C
/*
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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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* Licensed under the terms of the GNU General Public License, version 2.
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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 == NULL)
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return;
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snd_info_set_text_ops(entry, bebob, op);
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if (snd_info_register(entry) < 0)
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snd_info_free_entry(entry);
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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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if (snd_info_register(root) < 0) {
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snd_info_free_entry(root);
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return;
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}
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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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