This commit adds proc interface to get information for debugging. - firmware information - stream formation - current clock source and sampling rate
Signed-off-by: Takashi Sakamoto o-takashi@sakamocchi.jp --- sound/firewire/bebob/Makefile | 2 +- sound/firewire/bebob/bebob.c | 2 + sound/firewire/bebob/bebob.h | 3 + sound/firewire/bebob/bebob_proc.c | 155 ++++++++++++++++++++++++++++++++++++++ 4 files changed, 161 insertions(+), 1 deletion(-) create mode 100644 sound/firewire/bebob/bebob_proc.c
diff --git a/sound/firewire/bebob/Makefile b/sound/firewire/bebob/Makefile index 5cece62..757c40e 100644 --- a/sound/firewire/bebob/Makefile +++ b/sound/firewire/bebob/Makefile @@ -1,2 +1,2 @@ -snd-bebob-objs := bebob_command.o bebob_stream.o bebob.o +snd-bebob-objs := bebob_command.o bebob_stream.o bebob_proc.o bebob.o obj-m += snd-bebob.o diff --git a/sound/firewire/bebob/bebob.c b/sound/firewire/bebob/bebob.c index 0c113b6..a4f8a29 100644 --- a/sound/firewire/bebob/bebob.c +++ b/sound/firewire/bebob/bebob.c @@ -167,6 +167,8 @@ bebob_probe(struct fw_unit *unit, if (err < 0) goto error;
+ snd_bebob_proc_init(bebob); + err = snd_card_register(card); if (err < 0) goto error; diff --git a/sound/firewire/bebob/bebob.h b/sound/firewire/bebob/bebob.h index 590a49e..e641e90 100644 --- a/sound/firewire/bebob/bebob.h +++ b/sound/firewire/bebob/bebob.h @@ -20,6 +20,7 @@
#include <sound/core.h> #include <sound/initval.h> +#include <sound/info.h>
#include "../lib.h" #include "../fcp.h" @@ -171,6 +172,8 @@ int snd_bebob_stream_stop_duplex(struct snd_bebob *bebob); void snd_bebob_stream_update_duplex(struct snd_bebob *bebob); void snd_bebob_stream_destroy_duplex(struct snd_bebob *bebob);
+void snd_bebob_proc_init(struct snd_bebob *bebob); + #define SND_BEBOB_DEV_ENTRY(vendor, model) \ { \ .match_flags = IEEE1394_MATCH_VENDOR_ID | \ diff --git a/sound/firewire/bebob/bebob_proc.c b/sound/firewire/bebob/bebob_proc.c new file mode 100644 index 0000000..f4aa240 --- /dev/null +++ b/sound/firewire/bebob/bebob_proc.c @@ -0,0 +1,155 @@ +/* + * bebob_proc.c - a part of driver for BeBoB based devices + * + * Copyright (c) 2013 Takashi Sakamoto + * + * Licensed under the terms of the GNU General Public License, version 2. + */ + +#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; + int err; + + info = kzalloc(sizeof(struct hw_info), GFP_KERNEL); + if (info == NULL) + return; + + err = snd_bebob_read_block(bebob->unit, 0, + info, sizeof(struct hw_info)); + if (err < 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_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) +{ + struct snd_bebob *bebob = entry->private_data; + unsigned int rate; + bool internal; + + if (snd_bebob_stream_get_rate(bebob, &rate) < 0) + return; + if (snd_bebob_stream_check_internal_clock(bebob, &internal) < 0) + return; + + snd_iprintf(buffer, "Clock Source: %s (MSU-dest: %d)", + (internal) ? "Internal" : "External", + bebob->sync_input_plug); + snd_iprintf(buffer, "Sampling rate: %d\n", rate); +} + +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 == NULL) + return; + + snd_info_set_text_ops(entry, bebob, op); + if (snd_info_register(entry) < 0) + snd_info_free_entry(entry); +} + +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 | S_IRUGO | S_IXUGO; + if (snd_info_register(root) < 0) { + snd_info_free_entry(root); + return; + } + + 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); +}