diff options
Diffstat (limited to 'sound/firewire/bebob/bebob_proc.c')
| -rw-r--r-- | sound/firewire/bebob/bebob_proc.c | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/sound/firewire/bebob/bebob_proc.c b/sound/firewire/bebob/bebob_proc.c new file mode 100644 index 000000000..f659b888a --- /dev/null +++ b/sound/firewire/bebob/bebob_proc.c @@ -0,0 +1,189 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * bebob_proc.c - a part of driver for BeBoB based devices + * + * Copyright (c) 2013-2014 Takashi Sakamoto + */ + +#include "./bebob.h" + +/* contents of information register */ +struct hw_info { + u64 manufacturer; + u32 protocol_ver; + u32 bld_ver; + u32 guid[2]; + u32 model_id; + u32 model_rev; + u64 fw_date; + u64 fw_time; + u32 fw_id; + u32 fw_ver; + u32 base_addr; + u32 max_size; + u64 bld_date; + u64 bld_time; +/* may not used in product + u64 dbg_date; + u64 dbg_time; + u32 dbg_id; + u32 dbg_version; +*/ +} __packed; + +static void +proc_read_hw_info(struct snd_info_entry *entry, + struct snd_info_buffer *buffer) +{ + struct snd_bebob *bebob = entry->private_data; + struct hw_info *info; + + info = kzalloc(sizeof(struct hw_info), GFP_KERNEL); + if (info == NULL) + return; + + if (snd_bebob_read_block(bebob->unit, 0, + info, sizeof(struct hw_info)) < 0) + goto end; + + snd_iprintf(buffer, "Manufacturer:\t%.8s\n", + (char *)&info->manufacturer); + snd_iprintf(buffer, "Protocol Ver:\t%d\n", info->protocol_ver); + snd_iprintf(buffer, "Build Ver:\t%d\n", info->bld_ver); + snd_iprintf(buffer, "GUID:\t\t0x%.8X%.8X\n", + info->guid[0], info->guid[1]); + snd_iprintf(buffer, "Model ID:\t0x%02X\n", info->model_id); + snd_iprintf(buffer, "Model Rev:\t%d\n", info->model_rev); + snd_iprintf(buffer, "Firmware Date:\t%.8s\n", (char *)&info->fw_date); + snd_iprintf(buffer, "Firmware Time:\t%.8s\n", (char *)&info->fw_time); + snd_iprintf(buffer, "Firmware ID:\t0x%X\n", info->fw_id); + snd_iprintf(buffer, "Firmware Ver:\t%d\n", info->fw_ver); + snd_iprintf(buffer, "Base Addr:\t0x%X\n", info->base_addr); + snd_iprintf(buffer, "Max Size:\t%d\n", info->max_size); + snd_iprintf(buffer, "Loader Date:\t%.8s\n", (char *)&info->bld_date); + snd_iprintf(buffer, "Loader Time:\t%.8s\n", (char *)&info->bld_time); + +end: + kfree(info); +} + +static void +proc_read_meters(struct snd_info_entry *entry, + struct snd_info_buffer *buffer) +{ + struct snd_bebob *bebob = entry->private_data; + const struct snd_bebob_meter_spec *spec = bebob->spec->meter; + u32 *buf; + unsigned int i, c, channels, size; + + if (spec == NULL) + return; + + channels = spec->num * 2; + size = channels * sizeof(u32); + buf = kmalloc(size, GFP_KERNEL); + if (buf == NULL) + return; + + if (spec->get(bebob, buf, size) < 0) + goto end; + + for (i = 0, c = 1; i < channels; i++) { + snd_iprintf(buffer, "%s %d:\t%d\n", + spec->labels[i / 2], c++, buf[i]); + if ((i + 1 < channels - 1) && + (strcmp(spec->labels[i / 2], + spec->labels[(i + 1) / 2]) != 0)) + c = 1; + } +end: + kfree(buf); +} + +static void +proc_read_formation(struct snd_info_entry *entry, + struct snd_info_buffer *buffer) +{ + struct snd_bebob *bebob = entry->private_data; + struct snd_bebob_stream_formation *formation; + unsigned int i; + + snd_iprintf(buffer, "Output Stream from device:\n"); + snd_iprintf(buffer, "\tRate\tPCM\tMIDI\n"); + formation = bebob->tx_stream_formations; + for (i = 0; i < SND_BEBOB_STRM_FMT_ENTRIES; i++) { + snd_iprintf(buffer, + "\t%d\t%d\t%d\n", snd_bebob_rate_table[i], + formation[i].pcm, formation[i].midi); + } + + snd_iprintf(buffer, "Input Stream to device:\n"); + snd_iprintf(buffer, "\tRate\tPCM\tMIDI\n"); + formation = bebob->rx_stream_formations; + for (i = 0; i < SND_BEBOB_STRM_FMT_ENTRIES; i++) { + snd_iprintf(buffer, + "\t%d\t%d\t%d\n", snd_bebob_rate_table[i], + formation[i].pcm, formation[i].midi); + } +} + +static void +proc_read_clock(struct snd_info_entry *entry, + struct snd_info_buffer *buffer) +{ + static const char *const clk_labels[] = { + "Internal", + "External", + "SYT-Match", + }; + struct snd_bebob *bebob = entry->private_data; + const struct snd_bebob_rate_spec *rate_spec = bebob->spec->rate; + const struct snd_bebob_clock_spec *clk_spec = bebob->spec->clock; + enum snd_bebob_clock_type src; + unsigned int rate; + + if (rate_spec->get(bebob, &rate) >= 0) + snd_iprintf(buffer, "Sampling rate: %d\n", rate); + + if (snd_bebob_stream_get_clock_src(bebob, &src) >= 0) { + if (clk_spec) + snd_iprintf(buffer, "Clock Source: %s\n", + clk_labels[src]); + else + snd_iprintf(buffer, "Clock Source: %s (MSU-dest: %d)\n", + clk_labels[src], bebob->sync_input_plug); + } +} + +static void +add_node(struct snd_bebob *bebob, struct snd_info_entry *root, const char *name, + void (*op)(struct snd_info_entry *e, struct snd_info_buffer *b)) +{ + struct snd_info_entry *entry; + + entry = snd_info_create_card_entry(bebob->card, name, root); + if (entry) + snd_info_set_text_ops(entry, bebob, op); +} + +void snd_bebob_proc_init(struct snd_bebob *bebob) +{ + struct snd_info_entry *root; + + /* + * All nodes are automatically removed at snd_card_disconnect(), + * by following to link list. + */ + root = snd_info_create_card_entry(bebob->card, "firewire", + bebob->card->proc_root); + if (root == NULL) + return; + root->mode = S_IFDIR | 0555; + + add_node(bebob, root, "clock", proc_read_clock); + add_node(bebob, root, "firmware", proc_read_hw_info); + add_node(bebob, root, "formation", proc_read_formation); + + if (bebob->spec->meter != NULL) + add_node(bebob, root, "meter", proc_read_meters); +} |