This commit adds proc interface to output infomation for debugging. - firmware information - sampling rate and clock source - physical metering (linear value)
Signed-off-by: Takashi Sakamoto o-takashi@sakamocchi.jp --- sound/firewire/fireworks/Makefile | 2 +- sound/firewire/fireworks/fireworks.c | 17 +++ sound/firewire/fireworks/fireworks.h | 11 ++ sound/firewire/fireworks/fireworks_proc.c | 214 ++++++++++++++++++++++++++++++ 4 files changed, 243 insertions(+), 1 deletion(-) create mode 100644 sound/firewire/fireworks/fireworks_proc.c
diff --git a/sound/firewire/fireworks/Makefile b/sound/firewire/fireworks/Makefile index 1bccb65..52bd15e 100644 --- a/sound/firewire/fireworks/Makefile +++ b/sound/firewire/fireworks/Makefile @@ -1,3 +1,3 @@ snd-fireworks-objs := fireworks_transaction.o fireworks_command.o \ - fireworks_stream.o fireworks.o + fireworks_stream.o fireworks_proc.o fireworks.o obj-m += snd-fireworks.o diff --git a/sound/firewire/fireworks/fireworks.c b/sound/firewire/fireworks/fireworks.c index 25997f1..311e4a6 100644 --- a/sound/firewire/fireworks/fireworks.c +++ b/sound/firewire/fireworks/fireworks.c @@ -150,6 +150,21 @@ get_hardware_info(struct snd_efw *efw) efw->pcm_playback_channels[0] = hwinfo->amdtp_rx_pcm_channels; efw->pcm_playback_channels[1] = hwinfo->amdtp_rx_pcm_channels_2x; efw->pcm_playback_channels[2] = hwinfo->amdtp_rx_pcm_channels_4x; + + /* Hardware metering. */ + if (hwinfo->phys_in_grp_count > HWINFO_MAX_CAPS_GROUPS || + hwinfo->phys_out_grp_count > HWINFO_MAX_CAPS_GROUPS) { + return -EIO; + goto end; + } + efw->phys_in = hwinfo->phys_in; + efw->phys_out = hwinfo->phys_out; + efw->phys_in_grp_count = hwinfo->phys_in_grp_count; + efw->phys_out_grp_count = hwinfo->phys_out_grp_count; + memcpy(&efw->phys_in_grps, hwinfo->phys_in_grps, + sizeof(struct snd_efw_phys_grp) * hwinfo->phys_in_grp_count); + memcpy(&efw->phys_out_grps, hwinfo->phys_out_grps, + sizeof(struct snd_efw_phys_grp) * hwinfo->phys_out_grp_count); end: kfree(hwinfo); return err; @@ -209,6 +224,8 @@ efw_probe(struct fw_unit *unit, if (entry->model_id == MODEL_ECHO_AUDIOFIRE_9) efw->is_af9 = true;
+ snd_efw_proc_init(efw); + err = snd_efw_stream_init_duplex(efw); if (err < 0) goto error; diff --git a/sound/firewire/fireworks/fireworks.h b/sound/firewire/fireworks/fireworks.h index 3f99851..eef7ad8 100644 --- a/sound/firewire/fireworks/fireworks.h +++ b/sound/firewire/fireworks/fireworks.h @@ -21,6 +21,7 @@ #include <sound/core.h> #include <sound/initval.h> #include <sound/pcm.h> +#include <sound/info.h>
#include "../packets-buffer.h" #include "../iso-resources.h" @@ -79,6 +80,14 @@ struct snd_efw { struct cmp_connection in_conn; atomic_t capture_substreams; atomic_t playback_substreams; + + /* hardware metering parameters */ + unsigned int phys_out; + unsigned int phys_in; + unsigned int phys_out_grp_count; + unsigned int phys_in_grp_count; + struct snd_efw_phys_grp phys_out_grps[HWINFO_MAX_CAPS_GROUPS]; + struct snd_efw_phys_grp phys_in_grps[HWINFO_MAX_CAPS_GROUPS]; };
struct snd_efw_transaction { @@ -187,6 +196,8 @@ void snd_efw_stream_stop_duplex(struct snd_efw *efw); void snd_efw_stream_update_duplex(struct snd_efw *efw); void snd_efw_stream_destroy_duplex(struct snd_efw *efw);
+void snd_efw_proc_init(struct snd_efw *efw); + #define SND_EFW_DEV_ENTRY(vendor, model) \ { \ .match_flags = IEEE1394_MATCH_VENDOR_ID | \ diff --git a/sound/firewire/fireworks/fireworks_proc.c b/sound/firewire/fireworks/fireworks_proc.c new file mode 100644 index 0000000..631c91f --- /dev/null +++ b/sound/firewire/fireworks/fireworks_proc.c @@ -0,0 +1,214 @@ +/* + * fireworks_proc.c - a part of driver for Fireworks based devices + * + * Copyright (c) 2009-2010 Clemens Ladisch + * Copyright (c) 2013-2014 Takashi Sakamoto + * + * Licensed under the terms of the GNU General Public License, version 2. + */ + +#include "./fireworks.h" + +static inline const char* +get_phys_name(struct snd_efw_phys_grp *grp, bool input) +{ + const char *const ch_type[] = { + "Analog", "S/PDIF", "ADAT", "S/PDIF or ADAT", "Mirroring", + "Headphones", "I2S", "Guitar", "Pirzo Guitar", "Guitar String", + }; + + if (grp->type < ARRAY_SIZE(ch_type)) + return ch_type[grp->type]; + else if (input) + return "Input"; + else + return "Output"; +} + +static void +proc_read_hwinfo(struct snd_info_entry *entry, struct snd_info_buffer *buffer) +{ + struct snd_efw *efw = entry->private_data; + unsigned short i; + struct snd_efw_hwinfo *hwinfo; + + hwinfo = kmalloc(sizeof(struct snd_efw_hwinfo), GFP_KERNEL); + if (hwinfo == NULL) + return; + + if (snd_efw_command_get_hwinfo(efw, hwinfo) < 0) + goto end; + + snd_iprintf(buffer, "guid_hi: 0x%X\n", hwinfo->guid_hi); + snd_iprintf(buffer, "guid_lo: 0x%X\n", hwinfo->guid_lo); + snd_iprintf(buffer, "type: 0x%X\n", hwinfo->type); + snd_iprintf(buffer, "version: 0x%X\n", hwinfo->version); + snd_iprintf(buffer, "vendor_name: %s\n", hwinfo->vendor_name); + snd_iprintf(buffer, "model_name: %s\n", hwinfo->model_name); + + snd_iprintf(buffer, "dsp_version: 0x%X\n", hwinfo->dsp_version); + snd_iprintf(buffer, "arm_version: 0x%X\n", hwinfo->arm_version); + snd_iprintf(buffer, "fpga_version: 0x%X\n", hwinfo->fpga_version); + + snd_iprintf(buffer, "flags: 0x%X\n", hwinfo->flags); + + snd_iprintf(buffer, "max_sample_rate: 0x%X\n", hwinfo->max_sample_rate); + snd_iprintf(buffer, "min_sample_rate: 0x%X\n", hwinfo->min_sample_rate); + snd_iprintf(buffer, "supported_clock: 0x%X\n", + hwinfo->supported_clocks); + + snd_iprintf(buffer, "phys out: 0x%X\n", hwinfo->phys_out); + snd_iprintf(buffer, "phys in: 0x%X\n", hwinfo->phys_in); + + snd_iprintf(buffer, "phys in grps: 0x%X\n", + hwinfo->phys_in_grp_count); + for (i = 0; i < hwinfo->phys_in_grp_count; i++) { + snd_iprintf(buffer, + "phys in grp[0x%d]: type 0x%d, count 0x%d\n", + i, hwinfo->phys_out_grps[i].type, + hwinfo->phys_out_grps[i].count); + } + + snd_iprintf(buffer, "phys out grps: 0x%X\n", + hwinfo->phys_out_grp_count); + for (i = 0; i < hwinfo->phys_out_grp_count; i++) { + snd_iprintf(buffer, + "phys out grps[0x%d]: type 0x%d, count 0x%d\n", + i, hwinfo->phys_out_grps[i].type, + hwinfo->phys_out_grps[i].count); + } + + snd_iprintf(buffer, "amdtp rx pcm channels 1x: 0x%X\n", + hwinfo->amdtp_rx_pcm_channels); + snd_iprintf(buffer, "amdtp tx pcm channels 1x: 0x%X\n", + hwinfo->amdtp_tx_pcm_channels); + snd_iprintf(buffer, "amdtp rx pcm channels 2x: 0x%X\n", + hwinfo->amdtp_rx_pcm_channels_2x); + snd_iprintf(buffer, "amdtp tx pcm channels 2x: 0x%X\n", + hwinfo->amdtp_tx_pcm_channels_2x); + snd_iprintf(buffer, "amdtp rx pcm channels 4x: 0x%X\n", + hwinfo->amdtp_rx_pcm_channels_4x); + snd_iprintf(buffer, "amdtp tx pcm channels 4x: 0x%X\n", + hwinfo->amdtp_tx_pcm_channels_4x); + + snd_iprintf(buffer, "midi out ports: 0x%X\n", hwinfo->midi_out_ports); + snd_iprintf(buffer, "midi in ports: 0x%X\n", hwinfo->midi_in_ports); + + snd_iprintf(buffer, "mixer playback channels: 0x%X\n", + hwinfo->mixer_playback_channels); + snd_iprintf(buffer, "mixer capture channels: 0x%X\n", + hwinfo->mixer_capture_channels); +end: + kfree(hwinfo); +} + +static void +proc_read_clock(struct snd_info_entry *entry, struct snd_info_buffer *buffer) +{ + struct snd_efw *efw = entry->private_data; + enum snd_efw_clock_source clock_source; + unsigned int sampling_rate; + + if (snd_efw_command_get_clock_source(efw, &clock_source) < 0) + return; + + if (snd_efw_command_get_sampling_rate(efw, &sampling_rate) < 0) + return; + + snd_iprintf(buffer, "Clock Source: %d\n", clock_source); + snd_iprintf(buffer, "Sampling Rate: %d\n", sampling_rate); +} + +/* + * NOTE: + * dB = 20 * log10(linear / 0x01000000) + * -144.0 dB when linear is 0 + */ +static void +proc_read_phys_meters(struct snd_info_entry *entry, + struct snd_info_buffer *buffer) +{ + struct snd_efw *efw = entry->private_data; + struct snd_efw_phys_meters *meters; + unsigned int g, c, m, max, size; + const char *name; + u32 *linear; + int err; + + size = sizeof(struct snd_efw_phys_meters) + + (efw->phys_in + efw->phys_out) * sizeof(u32); + meters = kzalloc(size, GFP_KERNEL); + if (meters == NULL) + return; + + err = snd_efw_command_get_phys_meters(efw, meters, size); + if (err < 0) + goto end; + + snd_iprintf(buffer, "Physical Meters:\n"); + + m = 0; + max = min(efw->phys_out, meters->out_meters); + linear = meters->values; + snd_iprintf(buffer, " %d Outputs:\n", max); + for (g = 0; g < efw->phys_out_grp_count; g++) { + name = get_phys_name(&efw->phys_out_grps[g], false); + for (c = 0; c < efw->phys_out_grps[g].count; c++) { + if (m < max) + snd_iprintf(buffer, "\t%s [%d]: %d\n", + name, c, linear[m++]); + } + } + + m = 0; + max = min(efw->phys_in, meters->in_meters); + linear = meters->values + meters->out_meters; + snd_iprintf(buffer, " %d Inputs:\n", max); + for (g = 0; g < efw->phys_in_grp_count; g++) { + name = get_phys_name(&efw->phys_in_grps[g], true); + for (c = 0; c < efw->phys_in_grps[g].count; c++) + if (m < max) + snd_iprintf(buffer, "\t%s [%d]: %d\n", + name, c, linear[m++]); + } +end: + kfree(meters); +} + +static void +add_node(struct snd_efw *efw, 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(efw->card, name, root); + if (entry == NULL) + return; + + snd_info_set_text_ops(entry, efw, op); + if (snd_info_register(entry) < 0) + snd_info_free_entry(entry); +} + +void snd_efw_proc_init(struct snd_efw *efw) +{ + 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(efw->card, "firewire", + efw->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(efw, root, "clock", proc_read_clock); + add_node(efw, root, "firmware", proc_read_hwinfo); + add_node(efw, root, "meters", proc_read_phys_meters); +}