diff options
Diffstat (limited to 'sound/usb')
37 files changed, 3967 insertions, 251 deletions
diff --git a/sound/usb/6fire/chip.c b/sound/usb/6fire/chip.c index d562a30b087f..9eb4bf9b138b 100644 --- a/sound/usb/6fire/chip.c +++ b/sound/usb/6fire/chip.c @@ -125,8 +125,8 @@ static int usb6fire_chip_probe(struct usb_interface *intf, dev_err(&intf->dev, "cannot create alsa card.\n"); return ret; } - strcpy(card->driver, "6FireUSB"); - strcpy(card->shortname, "TerraTec DMX6FireUSB"); + strscpy(card->driver, "6FireUSB"); + strscpy(card->shortname, "TerraTec DMX6FireUSB"); sprintf(card->longname, "%s at %d:%d", card->shortname, device->bus->busnum, device->devnum); diff --git a/sound/usb/6fire/midi.c b/sound/usb/6fire/midi.c index de2691d58de6..923f7767e62f 100644 --- a/sound/usb/6fire/midi.c +++ b/sound/usb/6fire/midi.c @@ -183,7 +183,7 @@ int usb6fire_midi_init(struct sfire_chip *chip) return ret; } rt->instance->private_data = rt; - strcpy(rt->instance->name, "DMX6FireUSB MIDI"); + strscpy(rt->instance->name, "DMX6FireUSB MIDI"); rt->instance->info_flags = SNDRV_RAWMIDI_INFO_OUTPUT | SNDRV_RAWMIDI_INFO_INPUT | SNDRV_RAWMIDI_INFO_DUPLEX; diff --git a/sound/usb/6fire/pcm.c b/sound/usb/6fire/pcm.c index 32c39d8bd2e5..d53cad97889a 100644 --- a/sound/usb/6fire/pcm.c +++ b/sound/usb/6fire/pcm.c @@ -640,7 +640,7 @@ int usb6fire_pcm_init(struct sfire_chip *chip) } pcm->private_data = rt; - strcpy(pcm->name, "DMX 6Fire USB"); + strscpy(pcm->name, "DMX 6Fire USB"); snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &pcm_ops); snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &pcm_ops); snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_VMALLOC, NULL, 0, 0); diff --git a/sound/usb/Kconfig b/sound/usb/Kconfig index 4a9569a3a39a..41c47301bc19 100644 --- a/sound/usb/Kconfig +++ b/sound/usb/Kconfig @@ -176,6 +176,21 @@ config SND_BCD2000 To compile this driver as a module, choose M here: the module will be called snd-bcd2000. +config SND_USB_AUDIO_QMI + tristate "Qualcomm Audio Offload driver" + depends on QCOM_QMI_HELPERS && SND_USB_AUDIO && SND_SOC_USB + depends on USB_XHCI_HCD && USB_XHCI_SIDEBAND + help + Say Y here to enable the Qualcomm USB audio offloading feature. + + This module sets up the required QMI stream enable/disable + responses to requests generated by the audio DSP. It passes the + USB transfer resource references, so that the audio DSP can issue + USB transfers to the host controller. + + To compile this driver as a module, choose M here: the module + will be called snd-usb-audio-qmi. + source "sound/usb/line6/Kconfig" endif # SND_USB diff --git a/sound/usb/Makefile b/sound/usb/Makefile index 30bd5348477b..e62794a87e73 100644 --- a/sound/usb/Makefile +++ b/sound/usb/Makefile @@ -35,5 +35,5 @@ obj-$(CONFIG_SND_USB_UA101) += snd-usbmidi-lib.o obj-$(CONFIG_SND_USB_USX2Y) += snd-usbmidi-lib.o obj-$(CONFIG_SND_USB_US122L) += snd-usbmidi-lib.o -obj-$(CONFIG_SND) += misc/ usx2y/ caiaq/ 6fire/ hiface/ bcd2000/ +obj-$(CONFIG_SND) += misc/ usx2y/ caiaq/ 6fire/ hiface/ bcd2000/ qcom/ obj-$(CONFIG_SND_USB_LINE6) += line6/ diff --git a/sound/usb/card.c b/sound/usb/card.c index 9c411b82a218..10d9b7285597 100644 --- a/sound/usb/card.c +++ b/sound/usb/card.c @@ -118,6 +118,95 @@ MODULE_PARM_DESC(skip_validation, "Skip unit descriptor validation (default: no) static DEFINE_MUTEX(register_mutex); static struct snd_usb_audio *usb_chip[SNDRV_CARDS]; static struct usb_driver usb_audio_driver; +static struct snd_usb_platform_ops *platform_ops; + +/* + * Register platform specific operations that will be notified on events + * which occur in USB SND. The platform driver can utilize this path to + * enable features, such as USB audio offloading, which allows for audio data + * to be queued by an audio DSP. + * + * Only one set of platform operations can be registered to USB SND. The + * platform register operation is protected by the register_mutex. + */ +int snd_usb_register_platform_ops(struct snd_usb_platform_ops *ops) +{ + guard(mutex)(®ister_mutex); + if (platform_ops) + return -EEXIST; + + platform_ops = ops; + return 0; +} +EXPORT_SYMBOL_GPL(snd_usb_register_platform_ops); + +/* + * Unregisters the current set of platform operations. This allows for + * a new set to be registered if required. + * + * The platform unregister operation is protected by the register_mutex. + */ +int snd_usb_unregister_platform_ops(void) +{ + guard(mutex)(®ister_mutex); + platform_ops = NULL; + + return 0; +} +EXPORT_SYMBOL_GPL(snd_usb_unregister_platform_ops); + +/* + * in case the platform driver was not ready at the time of USB SND + * device connect, expose an API to discover all connected USB devices + * so it can populate any dependent resources/structures. + */ +void snd_usb_rediscover_devices(void) +{ + int i; + + guard(mutex)(®ister_mutex); + + if (!platform_ops || !platform_ops->connect_cb) + return; + + for (i = 0; i < SNDRV_CARDS; i++) { + if (usb_chip[i]) + platform_ops->connect_cb(usb_chip[i]); + } +} +EXPORT_SYMBOL_GPL(snd_usb_rediscover_devices); + +/* + * Checks to see if requested audio profile, i.e sample rate, # of + * channels, etc... is supported by the substream associated to the + * USB audio device. + */ +struct snd_usb_stream * +snd_usb_find_suppported_substream(int card_idx, struct snd_pcm_hw_params *params, + int direction) +{ + struct snd_usb_audio *chip; + struct snd_usb_substream *subs; + struct snd_usb_stream *as; + + /* + * Register mutex is held when populating and clearing usb_chip + * array. + */ + guard(mutex)(®ister_mutex); + chip = usb_chip[card_idx]; + + if (chip && enable[card_idx]) { + list_for_each_entry(as, &chip->pcm_list, list) { + subs = &as->substream[direction]; + if (snd_usb_find_substream_format(subs, params)) + return as; + } + } + + return NULL; +} +EXPORT_SYMBOL_GPL(snd_usb_find_suppported_substream); /* * disconnect streams @@ -527,9 +616,10 @@ static void usb_audio_make_shortname(struct usb_device *dev, usb_string(dev, dev->descriptor.iProduct, card->shortname, sizeof(card->shortname)) <= 0) { /* no name available from anywhere, so use ID */ - sprintf(card->shortname, "USB Device %#04x:%#04x", - USB_ID_VENDOR(chip->usb_id), - USB_ID_PRODUCT(chip->usb_id)); + scnprintf(card->shortname, sizeof(card->shortname), + "USB Device %#04x:%#04x", + USB_ID_VENDOR(chip->usb_id), + USB_ID_PRODUCT(chip->usb_id)); } strim(card->shortname); @@ -667,9 +757,9 @@ static int snd_usb_audio_create(struct usb_interface *intf, card->private_free = snd_usb_audio_free; - strcpy(card->driver, "USB-Audio"); - sprintf(component, "USB%04x:%04x", - USB_ID_VENDOR(chip->usb_id), USB_ID_PRODUCT(chip->usb_id)); + strscpy(card->driver, "USB-Audio"); + scnprintf(component, sizeof(component), "USB%04x:%04x", + USB_ID_VENDOR(chip->usb_id), USB_ID_PRODUCT(chip->usb_id)); snd_component_add(card, component); usb_audio_make_shortname(dev, chip, quirk); @@ -922,7 +1012,11 @@ static int usb_audio_probe(struct usb_interface *intf, chip->num_interfaces++; usb_set_intfdata(intf, chip); atomic_dec(&chip->active); + + if (platform_ops && platform_ops->connect_cb) + platform_ops->connect_cb(chip); mutex_unlock(®ister_mutex); + return 0; __error: @@ -959,6 +1053,9 @@ static void usb_audio_disconnect(struct usb_interface *intf) card = chip->card; mutex_lock(®ister_mutex); + if (platform_ops && platform_ops->disconnect_cb) + platform_ops->disconnect_cb(chip); + if (atomic_inc_return(&chip->shutdown) == 1) { struct snd_usb_stream *as; struct snd_usb_endpoint *ep; @@ -1030,6 +1127,7 @@ int snd_usb_lock_shutdown(struct snd_usb_audio *chip) wake_up(&chip->shutdown_wait); return err; } +EXPORT_SYMBOL_GPL(snd_usb_lock_shutdown); /* autosuspend and unlock the shutdown */ void snd_usb_unlock_shutdown(struct snd_usb_audio *chip) @@ -1038,6 +1136,7 @@ void snd_usb_unlock_shutdown(struct snd_usb_audio *chip) if (atomic_dec_and_test(&chip->usage_count)) wake_up(&chip->shutdown_wait); } +EXPORT_SYMBOL_GPL(snd_usb_unlock_shutdown); int snd_usb_autoresume(struct snd_usb_audio *chip) { @@ -1060,6 +1159,7 @@ int snd_usb_autoresume(struct snd_usb_audio *chip) } return 0; } +EXPORT_SYMBOL_GPL(snd_usb_autoresume); void snd_usb_autosuspend(struct snd_usb_audio *chip) { @@ -1073,6 +1173,7 @@ void snd_usb_autosuspend(struct snd_usb_audio *chip) for (i = 0; i < chip->num_interfaces; i++) usb_autopm_put_interface(chip->intf[i]); } +EXPORT_SYMBOL_GPL(snd_usb_autosuspend); static int usb_audio_suspend(struct usb_interface *intf, pm_message_t message) { @@ -1102,6 +1203,9 @@ static int usb_audio_suspend(struct usb_interface *intf, pm_message_t message) chip->system_suspend = chip->num_suspended_intf; } + if (platform_ops && platform_ops->suspend_cb) + platform_ops->suspend_cb(intf, message); + return 0; } @@ -1142,6 +1246,9 @@ static int usb_audio_resume(struct usb_interface *intf) snd_usb_midi_v2_resume_all(chip); + if (platform_ops && platform_ops->resume_cb) + platform_ops->resume_cb(intf); + out: if (chip->num_suspended_intf == chip->system_suspend) { snd_power_change_state(chip->card, SNDRV_CTL_POWER_D0); diff --git a/sound/usb/card.h b/sound/usb/card.h index 6ec95b2edf86..94404c24d240 100644 --- a/sound/usb/card.h +++ b/sound/usb/card.h @@ -15,6 +15,7 @@ struct audioformat { unsigned int channels; /* # channels */ unsigned int fmt_type; /* USB audio format type (1-3) */ unsigned int fmt_bits; /* number of significant bits */ + unsigned int fmt_sz; /* overall audio sub frame/slot size */ unsigned int frame_size; /* samples per frame for non-audio */ unsigned char iface; /* interface number */ unsigned char altsetting; /* corresponding alternate setting */ @@ -164,6 +165,7 @@ struct snd_usb_substream { unsigned int pkt_offset_adj; /* Bytes to drop from beginning of packets (for non-compliant devices) */ unsigned int stream_offset_adj; /* Bytes to drop from beginning of stream (for non-compliant devices) */ + unsigned int opened:1; /* pcm device opened */ unsigned int running: 1; /* running status */ unsigned int period_elapsed_pending; /* delay period handling */ @@ -207,4 +209,19 @@ struct snd_usb_stream { struct list_head list; }; +struct snd_usb_platform_ops { + void (*connect_cb)(struct snd_usb_audio *chip); + void (*disconnect_cb)(struct snd_usb_audio *chip); + void (*suspend_cb)(struct usb_interface *intf, pm_message_t message); + void (*resume_cb)(struct usb_interface *intf); +}; + +struct snd_usb_stream * +snd_usb_find_suppported_substream(int card_idx, struct snd_pcm_hw_params *params, + int direction); + +int snd_usb_register_platform_ops(struct snd_usb_platform_ops *ops); +int snd_usb_unregister_platform_ops(void); + +void snd_usb_rediscover_devices(void); #endif /* __USBAUDIO_CARD_H */ diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c index f36ec98da460..7b01e7b4e335 100644 --- a/sound/usb/endpoint.c +++ b/sound/usb/endpoint.c @@ -1531,6 +1531,7 @@ unlock: mutex_unlock(&chip->mutex); return err; } +EXPORT_SYMBOL_GPL(snd_usb_endpoint_prepare); /* get the current rate set to the given clock by any endpoint */ int snd_usb_endpoint_get_clock_rate(struct snd_usb_audio *chip, int clock) diff --git a/sound/usb/format.c b/sound/usb/format.c index 0ba4641a0eb1..0ee532acbb60 100644 --- a/sound/usb/format.c +++ b/sound/usb/format.c @@ -85,6 +85,7 @@ static u64 parse_audio_format_i_type(struct snd_usb_audio *chip, } fp->fmt_bits = sample_width; + fp->fmt_sz = sample_bytes; if ((pcm_formats == 0) && (format == 0 || format == BIT(UAC_FORMAT_TYPE_I_UNDEFINED))) { @@ -309,16 +310,14 @@ static bool focusrite_valid_sample_rate(struct snd_usb_audio *chip, struct audioformat *fp, unsigned int rate) { - struct usb_interface *iface; struct usb_host_interface *alts; unsigned char *fmt; unsigned int max_rate; - iface = usb_ifnum_to_if(chip->dev, fp->iface); - if (!iface) + alts = snd_usb_get_host_interface(chip, fp->iface, fp->altsetting); + if (!alts) return true; - alts = &iface->altsetting[fp->altset_idx]; fmt = snd_usb_find_csint_desc(alts->extra, alts->extralen, NULL, UAC_FORMAT_TYPE); if (!fmt) @@ -327,20 +326,20 @@ static bool focusrite_valid_sample_rate(struct snd_usb_audio *chip, if (fmt[0] == 10) { /* bLength */ max_rate = combine_quad(&fmt[6]); - /* Validate max rate */ - if (max_rate != 48000 && - max_rate != 96000 && - max_rate != 192000 && - max_rate != 384000) { - + switch (max_rate) { + case 48000: + return (rate == 44100 || rate == 48000); + case 96000: + return (rate == 88200 || rate == 96000); + case 192000: + return (rate == 176400 || rate == 192000); + default: usb_audio_info(chip, "%u:%d : unexpected max rate: %u\n", fp->iface, fp->altsetting, max_rate); return true; } - - return rate <= max_rate; } return true; diff --git a/sound/usb/helper.c b/sound/usb/helper.c index 72b671fb2c84..497d2b27fb59 100644 --- a/sound/usb/helper.c +++ b/sound/usb/helper.c @@ -62,6 +62,7 @@ void *snd_usb_find_csint_desc(void *buffer, int buflen, void *after, u8 dsubtype } return NULL; } +EXPORT_SYMBOL_GPL(snd_usb_find_csint_desc); /* * Wrapper for usb_control_msg(). diff --git a/sound/usb/implicit.c b/sound/usb/implicit.c index 4727043fd745..77f06da93151 100644 --- a/sound/usb/implicit.c +++ b/sound/usb/implicit.c @@ -57,6 +57,7 @@ static const struct snd_usb_implicit_fb_match playback_implicit_fb_quirks[] = { IMPLICIT_FB_FIXED_DEV(0x31e9, 0x0002, 0x81, 2), /* Solid State Logic SSL2+ */ IMPLICIT_FB_FIXED_DEV(0x0499, 0x172f, 0x81, 2), /* Steinberg UR22C */ IMPLICIT_FB_FIXED_DEV(0x0d9a, 0x00df, 0x81, 2), /* RTX6001 */ + IMPLICIT_FB_FIXED_DEV(0x19f7, 0x000a, 0x84, 3), /* RODE AI-1 */ IMPLICIT_FB_FIXED_DEV(0x22f0, 0x0006, 0x81, 3), /* Allen&Heath Qu-16 */ IMPLICIT_FB_FIXED_DEV(0x1686, 0xf029, 0x82, 2), /* Zoom UAC-2 */ IMPLICIT_FB_FIXED_DEV(0x2466, 0x8003, 0x86, 2), /* Fractal Audio Axe-Fx II */ diff --git a/sound/usb/line6/driver.c b/sound/usb/line6/driver.c index e9eb5c74d6c7..f2f9261489a2 100644 --- a/sound/usb/line6/driver.c +++ b/sound/usb/line6/driver.c @@ -678,7 +678,7 @@ static int line6_hwdep_init(struct usb_line6 *line6) err = snd_hwdep_new(line6->card, "config", 0, &hwdep); if (err < 0) goto end; - strcpy(hwdep->name, "config"); + strscpy(hwdep->name, "config"); hwdep->iface = SNDRV_HWDEP_IFACE_LINE6; hwdep->ops = hwdep_ops; hwdep->private_data = line6; @@ -770,9 +770,9 @@ int line6_probe(struct usb_interface *interface, line6->ifcdev = &interface->dev; INIT_DELAYED_WORK(&line6->startup_work, line6_startup_work); - strcpy(card->id, properties->id); - strcpy(card->driver, driver_name); - strcpy(card->shortname, properties->name); + strscpy(card->id, properties->id); + strscpy(card->driver, driver_name); + strscpy(card->shortname, properties->name); sprintf(card->longname, "Line 6 %s at USB %s", properties->name, dev_name(line6->ifcdev)); card->private_free = line6_destruct; diff --git a/sound/usb/line6/midi.c b/sound/usb/line6/midi.c index 9b5176086280..1d77794b4490 100644 --- a/sound/usb/line6/midi.c +++ b/sound/usb/line6/midi.c @@ -228,8 +228,8 @@ static int snd_line6_new_midi(struct usb_line6 *line6, return err; rmidi = *rmidi_ret; - strcpy(rmidi->id, line6->properties->id); - strcpy(rmidi->name, line6->properties->name); + strscpy(rmidi->id, line6->properties->id); + strscpy(rmidi->name, line6->properties->name); rmidi->info_flags = SNDRV_RAWMIDI_INFO_OUTPUT | diff --git a/sound/usb/line6/pcm.c b/sound/usb/line6/pcm.c index d4dbbc432505..c1e2a8ab66fa 100644 --- a/sound/usb/line6/pcm.c +++ b/sound/usb/line6/pcm.c @@ -486,7 +486,7 @@ static int snd_line6_new_pcm(struct usb_line6 *line6, struct snd_pcm **pcm_ret) if (err < 0) return err; pcm = *pcm_ret; - strcpy(pcm->name, line6->properties->name); + strscpy(pcm->name, line6->properties->name); /* set operators */ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, diff --git a/sound/usb/line6/toneport.c b/sound/usb/line6/toneport.c index c073b38cd673..68cda7bf330c 100644 --- a/sound/usb/line6/toneport.c +++ b/sound/usb/line6/toneport.c @@ -199,7 +199,7 @@ static int snd_toneport_source_info(struct snd_kcontrol *kcontrol, if (uinfo->value.enumerated.item >= size) uinfo->value.enumerated.item = size - 1; - strcpy(uinfo->value.enumerated.name, + strscpy(uinfo->value.enumerated.name, toneport_source_info[uinfo->value.enumerated.item].name); return 0; diff --git a/sound/usb/midi.c b/sound/usb/midi.c index 3a8a977ed359..acb3bf92857c 100644 --- a/sound/usb/midi.c +++ b/sound/usb/midi.c @@ -339,7 +339,7 @@ static void snd_usbmidi_out_work(struct work_struct *work) /* called after transfers had been interrupted due to some USB error */ static void snd_usbmidi_error_timer(struct timer_list *t) { - struct snd_usb_midi *umidi = from_timer(umidi, t, error_timer); + struct snd_usb_midi *umidi = timer_container_of(umidi, t, error_timer); unsigned int i, j; spin_lock(&umidi->disc_lock); @@ -2407,7 +2407,7 @@ static int snd_usbmidi_create_rawmidi(struct snd_usb_midi *umidi, out_ports, in_ports, &rmidi); if (err < 0) return err; - strcpy(rmidi->name, umidi->card->shortname); + strscpy(rmidi->name, umidi->card->shortname); rmidi->info_flags = SNDRV_RAWMIDI_INFO_OUTPUT | SNDRV_RAWMIDI_INFO_INPUT | SNDRV_RAWMIDI_INFO_DUPLEX; diff --git a/sound/usb/midi2.c b/sound/usb/midi2.c index 692dfc3c182f..030569fda416 100644 --- a/sound/usb/midi2.c +++ b/sound/usb/midi2.c @@ -1058,7 +1058,8 @@ static void set_fallback_rawmidi_names(struct snd_usb_midi2_interface *umidi) fill_ump_ep_name(ump, dev, dev->descriptor.iProduct); /* fill fallback name */ if (!*ump->info.name) - sprintf(ump->info.name, "USB MIDI %d", rmidi->index); + scnprintf(ump->info.name, sizeof(ump->info.name), + "USB MIDI %d", rmidi->index); /* copy as rawmidi name if not set */ if (!*ump->core.name) strscpy(ump->core.name, ump->info.name, diff --git a/sound/usb/misc/ua101.c b/sound/usb/misc/ua101.c index 4f6b20ed29dd..e200e4af799c 100644 --- a/sound/usb/misc/ua101.c +++ b/sound/usb/misc/ua101.c @@ -1246,8 +1246,8 @@ static int ua101_probe(struct usb_interface *interface, goto probe_error; name = usb_id->idProduct == 0x0044 ? "UA-1000" : "UA-101"; - strcpy(card->driver, "UA-101"); - strcpy(card->shortname, name); + strscpy(card->driver, "UA-101"); + strscpy(card->shortname, name); usb_make_path(ua->dev, usb_path, sizeof(usb_path)); snprintf(ua->card->longname, sizeof(ua->card->longname), "EDIROL %s (serial %s), %u Hz at %s, %s speed", name, @@ -1272,7 +1272,7 @@ static int ua101_probe(struct usb_interface *interface, if (err < 0) goto probe_error; ua->pcm->private_data = ua; - strcpy(ua->pcm->name, name); + strscpy(ua->pcm->name, name); snd_pcm_set_ops(ua->pcm, SNDRV_PCM_STREAM_PLAYBACK, &playback_pcm_ops); snd_pcm_set_ops(ua->pcm, SNDRV_PCM_STREAM_CAPTURE, &capture_pcm_ops); snd_pcm_set_managed_buffer_all(ua->pcm, SNDRV_DMA_TYPE_VMALLOC, diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c index 11be79af26db..63b300bc67ba 100644 --- a/sound/usb/mixer.c +++ b/sound/usb/mixer.c @@ -674,40 +674,40 @@ static int get_term_name(struct snd_usb_audio *chip, struct usb_audio_term *iter return 0; switch (iterm->type >> 16) { case UAC3_SELECTOR_UNIT: - strcpy(name, "Selector"); + strscpy(name, "Selector", maxlen); return 8; case UAC3_PROCESSING_UNIT: - strcpy(name, "Process Unit"); + strscpy(name, "Process Unit", maxlen); return 12; case UAC3_EXTENSION_UNIT: - strcpy(name, "Ext Unit"); + strscpy(name, "Ext Unit", maxlen); return 8; case UAC3_MIXER_UNIT: - strcpy(name, "Mixer"); + strscpy(name, "Mixer", maxlen); return 5; default: - return sprintf(name, "Unit %d", iterm->id); + return scnprintf(name, maxlen, "Unit %d", iterm->id); } } switch (iterm->type & 0xff00) { case 0x0100: - strcpy(name, "PCM"); + strscpy(name, "PCM", maxlen); return 3; case 0x0200: - strcpy(name, "Mic"); + strscpy(name, "Mic", maxlen); return 3; case 0x0400: - strcpy(name, "Headset"); + strscpy(name, "Headset", maxlen); return 7; case 0x0500: - strcpy(name, "Phone"); + strscpy(name, "Phone", maxlen); return 5; } for (names = iterm_names; names->type; names++) { if (names->type == iterm->type) { - strcpy(name, names->name); + strscpy(name, names->name, maxlen); return strlen(names->name); } } @@ -2804,7 +2804,7 @@ static int parse_audio_selector_unit(struct mixer_build *state, int unitid, len = get_term_name(state->chip, &iterm, namelist[i], MAX_ITEM_NAME_LEN, 0); if (! len) - sprintf(namelist[i], "Input %u", i); + scnprintf(namelist[i], MAX_ITEM_NAME_LEN, "Input %u", i); } kctl = snd_ctl_new1(&mixer_selectunit_ctl, cval); @@ -3569,7 +3569,7 @@ int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif) struct usb_mixer_interface *mixer; int err; - strcpy(chip->card->mixername, "USB Mixer"); + strscpy(chip->card->mixername, "USB Mixer"); mixer = kzalloc(sizeof(*mixer), GFP_KERNEL); if (!mixer) diff --git a/sound/usb/mixer_maps.c b/sound/usb/mixer_maps.c index 0e9b5431a47f..faac7df1fbcf 100644 --- a/sound/usb/mixer_maps.c +++ b/sound/usb/mixer_maps.c @@ -383,6 +383,13 @@ static const struct usbmix_name_map ms_usb_link_map[] = { { 0 } /* terminator */ }; +/* KTMicro USB */ +static struct usbmix_name_map s31b2_0022_map[] = { + { 23, "Speaker Playback" }, + { 18, "Headphone Playback" }, + { 0 } +}; + /* ASUS ROG Zenith II with Realtek ALC1220-VB */ static const struct usbmix_name_map asus_zenith_ii_map[] = { { 19, NULL, 12 }, /* FU, Input Gain Pad - broken response, disabled */ @@ -692,6 +699,11 @@ static const struct usbmix_ctl_map usbmix_ctl_maps[] = { .id = USB_ID(0x045e, 0x083c), .map = ms_usb_link_map, }, + { + /* KTMicro USB */ + .id = USB_ID(0X31b2, 0x0022), + .map = s31b2_0022_map, + }, { 0 } /* terminator */ }; diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c index aad205df93b2..7cc27ae5512f 100644 --- a/sound/usb/mixer_quirks.c +++ b/sound/usb/mixer_quirks.c @@ -17,6 +17,7 @@ #include <linux/bitfield.h> #include <linux/hid.h> #include <linux/init.h> +#include <linux/input.h> #include <linux/math64.h> #include <linux/slab.h> #include <linux/usb.h> @@ -55,13 +56,13 @@ struct std_mono_table { * version, we keep it mono for simplicity. */ static int snd_create_std_mono_ctl_offset(struct usb_mixer_interface *mixer, - unsigned int unitid, - unsigned int control, - unsigned int cmask, - int val_type, - unsigned int idx_off, - const char *name, - snd_kcontrol_tlv_rw_t *tlv_callback) + unsigned int unitid, + unsigned int control, + unsigned int cmask, + int val_type, + unsigned int idx_off, + const char *name, + snd_kcontrol_tlv_rw_t *tlv_callback) { struct usb_mixer_elem_info *cval; struct snd_kcontrol *kctl; @@ -78,7 +79,8 @@ static int snd_create_std_mono_ctl_offset(struct usb_mixer_interface *mixer, cval->idx_off = idx_off; /* get_min_max() is called only for integer volumes later, - * so provide a short-cut for booleans */ + * so provide a short-cut for booleans + */ cval->min = 0; cval->max = 1; cval->res = 0; @@ -108,15 +110,16 @@ static int snd_create_std_mono_ctl_offset(struct usb_mixer_interface *mixer, } static int snd_create_std_mono_ctl(struct usb_mixer_interface *mixer, - unsigned int unitid, - unsigned int control, - unsigned int cmask, - int val_type, - const char *name, - snd_kcontrol_tlv_rw_t *tlv_callback) + unsigned int unitid, + unsigned int control, + unsigned int cmask, + int val_type, + const char *name, + snd_kcontrol_tlv_rw_t *tlv_callback) { return snd_create_std_mono_ctl_offset(mixer, unitid, control, cmask, - val_type, 0 /* Offset */, name, tlv_callback); + val_type, 0 /* Offset */, + name, tlv_callback); } /* @@ -127,9 +130,10 @@ static int snd_create_std_mono_table(struct usb_mixer_interface *mixer, { int err; - while (t->name != NULL) { + while (t->name) { err = snd_create_std_mono_ctl(mixer, t->unitid, t->control, - t->cmask, t->val_type, t->name, t->tlv_callback); + t->cmask, t->val_type, t->name, + t->tlv_callback); if (err < 0) return err; t++; @@ -209,12 +213,11 @@ static void snd_usb_soundblaster_remote_complete(struct urb *urb) if (code == rc->mute_code) snd_usb_mixer_notify_id(mixer, rc->mute_mixer_id); mixer->rc_code = code; - wmb(); wake_up(&mixer->rc_waitq); } static long snd_usb_sbrc_hwdep_read(struct snd_hwdep *hw, char __user *buf, - long count, loff_t *offset) + long count, loff_t *offset) { struct usb_mixer_interface *mixer = hw->private_data; int err; @@ -234,7 +237,7 @@ static long snd_usb_sbrc_hwdep_read(struct snd_hwdep *hw, char __user *buf, } static __poll_t snd_usb_sbrc_hwdep_poll(struct snd_hwdep *hw, struct file *file, - poll_table *wait) + poll_table *wait) { struct usb_mixer_interface *mixer = hw->private_data; @@ -285,7 +288,7 @@ static int snd_usb_soundblaster_remote_init(struct usb_mixer_interface *mixer) mixer->rc_setup_packet->wLength = cpu_to_le16(len); usb_fill_control_urb(mixer->rc_urb, mixer->chip->dev, usb_rcvctrlpipe(mixer->chip->dev, 0), - (u8*)mixer->rc_setup_packet, mixer->rc_buffer, len, + (u8 *)mixer->rc_setup_packet, mixer->rc_buffer, len, snd_usb_soundblaster_remote_complete, mixer); return 0; } @@ -310,20 +313,20 @@ static int snd_audigy2nx_led_update(struct usb_mixer_interface *mixer, if (chip->usb_id == USB_ID(0x041e, 0x3042)) err = snd_usb_ctl_msg(chip->dev, - usb_sndctrlpipe(chip->dev, 0), 0x24, - USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, - !value, 0, NULL, 0); + usb_sndctrlpipe(chip->dev, 0), 0x24, + USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, + !value, 0, NULL, 0); /* USB X-Fi S51 Pro */ if (chip->usb_id == USB_ID(0x041e, 0x30df)) err = snd_usb_ctl_msg(chip->dev, - usb_sndctrlpipe(chip->dev, 0), 0x24, - USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, - !value, 0, NULL, 0); + usb_sndctrlpipe(chip->dev, 0), 0x24, + USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, + !value, 0, NULL, 0); else err = snd_usb_ctl_msg(chip->dev, - usb_sndctrlpipe(chip->dev, 0), 0x24, - USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, - value, index + 2, NULL, 0); + usb_sndctrlpipe(chip->dev, 0), 0x24, + USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, + value, index + 2, NULL, 0); snd_usb_unlock_shutdown(chip); return err; } @@ -377,17 +380,17 @@ static int snd_audigy2nx_controls_create(struct usb_mixer_interface *mixer) struct snd_kcontrol_new knew; /* USB X-Fi S51 doesn't have a CMSS LED */ - if ((mixer->chip->usb_id == USB_ID(0x041e, 0x3042)) && i == 0) + if (mixer->chip->usb_id == USB_ID(0x041e, 0x3042) && i == 0) continue; /* USB X-Fi S51 Pro doesn't have one either */ - if ((mixer->chip->usb_id == USB_ID(0x041e, 0x30df)) && i == 0) + if (mixer->chip->usb_id == USB_ID(0x041e, 0x30df) && i == 0) continue; if (i > 1 && /* Live24ext has 2 LEDs only */ (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) || mixer->chip->usb_id == USB_ID(0x041e, 0x3042) || mixer->chip->usb_id == USB_ID(0x041e, 0x30df) || mixer->chip->usb_id == USB_ID(0x041e, 0x3048))) - break; + break; knew = snd_audigy2nx_control; knew.name = snd_audigy2nx_led_names[i]; @@ -481,9 +484,9 @@ static int snd_emu0204_ch_switch_update(struct usb_mixer_interface *mixer, buf[0] = 0x01; buf[1] = value ? 0x02 : 0x01; err = snd_usb_ctl_msg(chip->dev, - usb_sndctrlpipe(chip->dev, 0), UAC_SET_CUR, - USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT, - 0x0400, 0x0e00, buf, 2); + usb_sndctrlpipe(chip->dev, 0), UAC_SET_CUR, + USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT, + 0x0400, 0x0e00, buf, 2); snd_usb_unlock_shutdown(chip); return err; } @@ -529,6 +532,265 @@ static int snd_emu0204_controls_create(struct usb_mixer_interface *mixer) &snd_emu0204_control, NULL); } +#if IS_REACHABLE(CONFIG_INPUT) +/* + * Sony DualSense controller (PS5) jack detection + * + * Since this is an UAC 1 device, it doesn't support jack detection. + * However, the controller hid-playstation driver reports HP & MIC + * insert events through a dedicated input device. + */ + +#define SND_DUALSENSE_JACK_OUT_TERM_ID 3 +#define SND_DUALSENSE_JACK_IN_TERM_ID 4 + +struct dualsense_mixer_elem_info { + struct usb_mixer_elem_info info; + struct input_handler ih; + struct input_device_id id_table[2]; + bool connected; +}; + +static void snd_dualsense_ih_event(struct input_handle *handle, + unsigned int type, unsigned int code, + int value) +{ + struct dualsense_mixer_elem_info *mei; + struct usb_mixer_elem_list *me; + + if (type != EV_SW) + return; + + mei = container_of(handle->handler, struct dualsense_mixer_elem_info, ih); + me = &mei->info.head; + + if ((me->id == SND_DUALSENSE_JACK_OUT_TERM_ID && code == SW_HEADPHONE_INSERT) || + (me->id == SND_DUALSENSE_JACK_IN_TERM_ID && code == SW_MICROPHONE_INSERT)) { + mei->connected = !!value; + snd_ctl_notify(me->mixer->chip->card, SNDRV_CTL_EVENT_MASK_VALUE, + &me->kctl->id); + } +} + +static bool snd_dualsense_ih_match(struct input_handler *handler, + struct input_dev *dev) +{ + struct dualsense_mixer_elem_info *mei; + struct usb_device *snd_dev; + char *input_dev_path, *usb_dev_path; + size_t usb_dev_path_len; + bool match = false; + + mei = container_of(handler, struct dualsense_mixer_elem_info, ih); + snd_dev = mei->info.head.mixer->chip->dev; + + input_dev_path = kobject_get_path(&dev->dev.kobj, GFP_KERNEL); + if (!input_dev_path) { + dev_warn(&snd_dev->dev, "Failed to get input dev path\n"); + return false; + } + + usb_dev_path = kobject_get_path(&snd_dev->dev.kobj, GFP_KERNEL); + if (!usb_dev_path) { + dev_warn(&snd_dev->dev, "Failed to get USB dev path\n"); + goto free_paths; + } + + /* + * Ensure the VID:PID matched input device supposedly owned by the + * hid-playstation driver belongs to the actual hardware handled by + * the current USB audio device, which implies input_dev_path being + * a subpath of usb_dev_path. + * + * This verification is necessary when there is more than one identical + * controller attached to the host system. + */ + usb_dev_path_len = strlen(usb_dev_path); + if (usb_dev_path_len >= strlen(input_dev_path)) + goto free_paths; + + usb_dev_path[usb_dev_path_len] = '/'; + match = !memcmp(input_dev_path, usb_dev_path, usb_dev_path_len + 1); + +free_paths: + kfree(input_dev_path); + kfree(usb_dev_path); + + return match; +} + +static int snd_dualsense_ih_connect(struct input_handler *handler, + struct input_dev *dev, + const struct input_device_id *id) +{ + struct input_handle *handle; + int err; + + handle = kzalloc(sizeof(*handle), GFP_KERNEL); + if (!handle) + return -ENOMEM; + + handle->dev = dev; + handle->handler = handler; + handle->name = handler->name; + + err = input_register_handle(handle); + if (err) + goto err_free; + + err = input_open_device(handle); + if (err) + goto err_unregister; + + return 0; + +err_unregister: + input_unregister_handle(handle); +err_free: + kfree(handle); + return err; +} + +static void snd_dualsense_ih_disconnect(struct input_handle *handle) +{ + input_close_device(handle); + input_unregister_handle(handle); + kfree(handle); +} + +static void snd_dualsense_ih_start(struct input_handle *handle) +{ + struct dualsense_mixer_elem_info *mei; + struct usb_mixer_elem_list *me; + int status = -1; + + mei = container_of(handle->handler, struct dualsense_mixer_elem_info, ih); + me = &mei->info.head; + + if (me->id == SND_DUALSENSE_JACK_OUT_TERM_ID && + test_bit(SW_HEADPHONE_INSERT, handle->dev->swbit)) + status = test_bit(SW_HEADPHONE_INSERT, handle->dev->sw); + else if (me->id == SND_DUALSENSE_JACK_IN_TERM_ID && + test_bit(SW_MICROPHONE_INSERT, handle->dev->swbit)) + status = test_bit(SW_MICROPHONE_INSERT, handle->dev->sw); + + if (status >= 0) { + mei->connected = !!status; + snd_ctl_notify(me->mixer->chip->card, SNDRV_CTL_EVENT_MASK_VALUE, + &me->kctl->id); + } +} + +static int snd_dualsense_jack_get(struct snd_kcontrol *kctl, + struct snd_ctl_elem_value *ucontrol) +{ + struct dualsense_mixer_elem_info *mei = snd_kcontrol_chip(kctl); + + ucontrol->value.integer.value[0] = mei->connected; + + return 0; +} + +static const struct snd_kcontrol_new snd_dualsense_jack_control = { + .iface = SNDRV_CTL_ELEM_IFACE_CARD, + .access = SNDRV_CTL_ELEM_ACCESS_READ, + .info = snd_ctl_boolean_mono_info, + .get = snd_dualsense_jack_get, +}; + +static int snd_dualsense_resume_jack(struct usb_mixer_elem_list *list) +{ + snd_ctl_notify(list->mixer->chip->card, SNDRV_CTL_EVENT_MASK_VALUE, + &list->kctl->id); + return 0; +} + +static void snd_dualsense_mixer_elem_free(struct snd_kcontrol *kctl) +{ + struct dualsense_mixer_elem_info *mei = snd_kcontrol_chip(kctl); + + if (mei->ih.event) + input_unregister_handler(&mei->ih); + + snd_usb_mixer_elem_free(kctl); +} + +static int snd_dualsense_jack_create(struct usb_mixer_interface *mixer, + const char *name, bool is_output) +{ + struct dualsense_mixer_elem_info *mei; + struct input_device_id *idev_id; + struct snd_kcontrol *kctl; + int err; + + mei = kzalloc(sizeof(*mei), GFP_KERNEL); + if (!mei) + return -ENOMEM; + + snd_usb_mixer_elem_init_std(&mei->info.head, mixer, + is_output ? SND_DUALSENSE_JACK_OUT_TERM_ID : + SND_DUALSENSE_JACK_IN_TERM_ID); + + mei->info.head.resume = snd_dualsense_resume_jack; + mei->info.val_type = USB_MIXER_BOOLEAN; + mei->info.channels = 1; + mei->info.min = 0; + mei->info.max = 1; + + kctl = snd_ctl_new1(&snd_dualsense_jack_control, mei); + if (!kctl) { + kfree(mei); + return -ENOMEM; + } + + strscpy(kctl->id.name, name, sizeof(kctl->id.name)); + kctl->private_free = snd_dualsense_mixer_elem_free; + + err = snd_usb_mixer_add_control(&mei->info.head, kctl); + if (err) + return err; + + idev_id = &mei->id_table[0]; + idev_id->flags = INPUT_DEVICE_ID_MATCH_VENDOR | INPUT_DEVICE_ID_MATCH_PRODUCT | + INPUT_DEVICE_ID_MATCH_EVBIT | INPUT_DEVICE_ID_MATCH_SWBIT; + idev_id->vendor = USB_ID_VENDOR(mixer->chip->usb_id); + idev_id->product = USB_ID_PRODUCT(mixer->chip->usb_id); + idev_id->evbit[BIT_WORD(EV_SW)] = BIT_MASK(EV_SW); + if (is_output) + idev_id->swbit[BIT_WORD(SW_HEADPHONE_INSERT)] = BIT_MASK(SW_HEADPHONE_INSERT); + else + idev_id->swbit[BIT_WORD(SW_MICROPHONE_INSERT)] = BIT_MASK(SW_MICROPHONE_INSERT); + + mei->ih.event = snd_dualsense_ih_event; + mei->ih.match = snd_dualsense_ih_match; + mei->ih.connect = snd_dualsense_ih_connect; + mei->ih.disconnect = snd_dualsense_ih_disconnect; + mei->ih.start = snd_dualsense_ih_start; + mei->ih.name = name; + mei->ih.id_table = mei->id_table; + + err = input_register_handler(&mei->ih); + if (err) { + dev_warn(&mixer->chip->dev->dev, + "Could not register input handler: %d\n", err); + mei->ih.event = NULL; + } + + return 0; +} + +static int snd_dualsense_controls_create(struct usb_mixer_interface *mixer) +{ + int err; + + err = snd_dualsense_jack_create(mixer, "Headphone Jack", true); + if (err < 0) + return err; + + return snd_dualsense_jack_create(mixer, "Headset Mic Jack", false); +} +#endif /* IS_REACHABLE(CONFIG_INPUT) */ + /* ASUS Xonar U1 / U3 controls */ static int snd_xonar_u1_switch_get(struct snd_kcontrol *kcontrol, @@ -856,6 +1118,7 @@ static const struct snd_kcontrol_new snd_mbox1_src_switch = { static int snd_mbox1_controls_create(struct usb_mixer_interface *mixer) { int err; + err = add_single_ctl_with_resume(mixer, 0, snd_mbox1_clk_switch_resume, &snd_mbox1_clk_switch, NULL); @@ -869,7 +1132,7 @@ static int snd_mbox1_controls_create(struct usb_mixer_interface *mixer) /* Native Instruments device quirks */ -#define _MAKE_NI_CONTROL(bRequest,wIndex) ((bRequest) << 16 | (wIndex)) +#define _MAKE_NI_CONTROL(bRequest, wIndex) ((bRequest) << 16 | (wIndex)) static int snd_ni_control_init_val(struct usb_mixer_interface *mixer, struct snd_kcontrol *kctl) @@ -1021,7 +1284,7 @@ static int snd_nativeinstruments_create_mixer(struct usb_mixer_interface *mixer, /* M-Audio FastTrack Ultra quirks */ /* FTU Effect switch (also used by C400/C600) */ static int snd_ftu_eff_switch_info(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_info *uinfo) + struct snd_ctl_elem_info *uinfo) { static const char *const texts[8] = { "Room 1", "Room 2", "Room 3", "Hall 1", @@ -1055,7 +1318,7 @@ static int snd_ftu_eff_switch_init(struct usb_mixer_interface *mixer, } static int snd_ftu_eff_switch_get(struct snd_kcontrol *kctl, - struct snd_ctl_elem_value *ucontrol) + struct snd_ctl_elem_value *ucontrol) { ucontrol->value.enumerated.item[0] = kctl->private_value >> 24; return 0; @@ -1086,7 +1349,7 @@ static int snd_ftu_eff_switch_update(struct usb_mixer_elem_list *list) } static int snd_ftu_eff_switch_put(struct snd_kcontrol *kctl, - struct snd_ctl_elem_value *ucontrol) + struct snd_ctl_elem_value *ucontrol) { struct usb_mixer_elem_list *list = snd_kcontrol_chip(kctl); unsigned int pval = list->kctl->private_value; @@ -1104,7 +1367,7 @@ static int snd_ftu_eff_switch_put(struct snd_kcontrol *kctl, } static int snd_ftu_create_effect_switch(struct usb_mixer_interface *mixer, - int validx, int bUnitID) + int validx, int bUnitID) { static struct snd_kcontrol_new template = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, @@ -1143,22 +1406,22 @@ static int snd_ftu_create_volume_ctls(struct usb_mixer_interface *mixer) for (in = 0; in < 8; in++) { cmask = BIT(in); snprintf(name, sizeof(name), - "AIn%d - Out%d Capture Volume", - in + 1, out + 1); + "AIn%d - Out%d Capture Volume", + in + 1, out + 1); err = snd_create_std_mono_ctl(mixer, id, control, - cmask, val_type, name, - &snd_usb_mixer_vol_tlv); + cmask, val_type, name, + &snd_usb_mixer_vol_tlv); if (err < 0) return err; } for (in = 8; in < 16; in++) { cmask = BIT(in); snprintf(name, sizeof(name), - "DIn%d - Out%d Playback Volume", - in - 7, out + 1); + "DIn%d - Out%d Playback Volume", + in - 7, out + 1); err = snd_create_std_mono_ctl(mixer, id, control, - cmask, val_type, name, - &snd_usb_mixer_vol_tlv); + cmask, val_type, name, + &snd_usb_mixer_vol_tlv); if (err < 0) return err; } @@ -1219,10 +1482,10 @@ static int snd_ftu_create_effect_return_ctls(struct usb_mixer_interface *mixer) for (ch = 0; ch < 4; ++ch) { cmask = BIT(ch); snprintf(name, sizeof(name), - "Effect Return %d Volume", ch + 1); + "Effect Return %d Volume", ch + 1); err = snd_create_std_mono_ctl(mixer, id, control, - cmask, val_type, name, - snd_usb_mixer_vol_tlv); + cmask, val_type, name, + snd_usb_mixer_vol_tlv); if (err < 0) return err; } @@ -1243,20 +1506,20 @@ static int snd_ftu_create_effect_send_ctls(struct usb_mixer_interface *mixer) for (ch = 0; ch < 8; ++ch) { cmask = BIT(ch); snprintf(name, sizeof(name), - "Effect Send AIn%d Volume", ch + 1); + "Effect Send AIn%d Volume", ch + 1); err = snd_create_std_mono_ctl(mixer, id, control, cmask, - val_type, name, - snd_usb_mixer_vol_tlv); + val_type, name, + snd_usb_mixer_vol_tlv); if (err < 0) return err; } for (ch = 8; ch < 16; ++ch) { cmask = BIT(ch); snprintf(name, sizeof(name), - "Effect Send DIn%d Volume", ch - 7); + "Effect Send DIn%d Volume", ch - 7); err = snd_create_std_mono_ctl(mixer, id, control, cmask, - val_type, name, - snd_usb_mixer_vol_tlv); + val_type, name, + snd_usb_mixer_vol_tlv); if (err < 0) return err; } @@ -1346,19 +1609,19 @@ static int snd_c400_create_vol_ctls(struct usb_mixer_interface *mixer) for (out = 0; out < num_outs; out++) { if (chan < num_outs) { snprintf(name, sizeof(name), - "PCM%d-Out%d Playback Volume", - chan + 1, out + 1); + "PCM%d-Out%d Playback Volume", + chan + 1, out + 1); } else { snprintf(name, sizeof(name), - "In%d-Out%d Playback Volume", - chan - num_outs + 1, out + 1); + "In%d-Out%d Playback Volume", + chan - num_outs + 1, out + 1); } cmask = (out == 0) ? 0 : BIT(out - 1); offset = chan * num_outs; err = snd_create_std_mono_ctl_offset(mixer, id, control, - cmask, val_type, offset, name, - &snd_usb_mixer_vol_tlv); + cmask, val_type, offset, name, + &snd_usb_mixer_vol_tlv); if (err < 0) return err; } @@ -1377,7 +1640,7 @@ static int snd_c400_create_effect_volume_ctl(struct usb_mixer_interface *mixer) const unsigned int cmask = 0; return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type, - name, snd_usb_mixer_vol_tlv); + name, snd_usb_mixer_vol_tlv); } /* This control needs a volume quirk, see mixer.c */ @@ -1390,7 +1653,7 @@ static int snd_c400_create_effect_duration_ctl(struct usb_mixer_interface *mixer const unsigned int cmask = 0; return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type, - name, snd_usb_mixer_vol_tlv); + name, snd_usb_mixer_vol_tlv); } /* This control needs a volume quirk, see mixer.c */ @@ -1403,7 +1666,7 @@ static int snd_c400_create_effect_feedback_ctl(struct usb_mixer_interface *mixer const unsigned int cmask = 0; return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type, - name, NULL); + name, NULL); } static int snd_c400_create_effect_vol_ctls(struct usb_mixer_interface *mixer) @@ -1432,18 +1695,18 @@ static int snd_c400_create_effect_vol_ctls(struct usb_mixer_interface *mixer) for (chan = 0; chan < num_outs + num_ins; chan++) { if (chan < num_outs) { snprintf(name, sizeof(name), - "Effect Send DOut%d", - chan + 1); + "Effect Send DOut%d", + chan + 1); } else { snprintf(name, sizeof(name), - "Effect Send AIn%d", - chan - num_outs + 1); + "Effect Send AIn%d", + chan - num_outs + 1); } cmask = (chan == 0) ? 0 : BIT(chan - 1); err = snd_create_std_mono_ctl(mixer, id, control, - cmask, val_type, name, - &snd_usb_mixer_vol_tlv); + cmask, val_type, name, + &snd_usb_mixer_vol_tlv); if (err < 0) return err; } @@ -1478,14 +1741,14 @@ static int snd_c400_create_effect_ret_vol_ctls(struct usb_mixer_interface *mixer for (chan = 0; chan < num_outs; chan++) { snprintf(name, sizeof(name), - "Effect Return %d", - chan + 1); + "Effect Return %d", + chan + 1); cmask = (chan == 0) ? 0 : BIT(chan + (chan % 2) * num_outs - 1); err = snd_create_std_mono_ctl_offset(mixer, id, control, - cmask, val_type, offset, name, - &snd_usb_mixer_vol_tlv); + cmask, val_type, offset, name, + &snd_usb_mixer_vol_tlv); if (err < 0) return err; } @@ -1626,7 +1889,7 @@ static const struct std_mono_table ebox44_table[] = { * */ static int snd_microii_spdif_info(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_info *uinfo) + struct snd_ctl_elem_info *uinfo) { uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; uinfo->count = 1; @@ -1634,7 +1897,7 @@ static int snd_microii_spdif_info(struct snd_kcontrol *kcontrol, } static int snd_microii_spdif_default_get(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) + struct snd_ctl_elem_value *ucontrol) { struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol); struct snd_usb_audio *chip = list->mixer->chip; @@ -1667,13 +1930,13 @@ static int snd_microii_spdif_default_get(struct snd_kcontrol *kcontrol, ep = get_endpoint(alts, 0)->bEndpointAddress; err = snd_usb_ctl_msg(chip->dev, - usb_rcvctrlpipe(chip->dev, 0), - UAC_GET_CUR, - USB_TYPE_CLASS | USB_RECIP_ENDPOINT | USB_DIR_IN, - UAC_EP_CS_ATTR_SAMPLE_RATE << 8, - ep, - data, - sizeof(data)); + usb_rcvctrlpipe(chip->dev, 0), + UAC_GET_CUR, + USB_TYPE_CLASS | USB_RECIP_ENDPOINT | USB_DIR_IN, + UAC_EP_CS_ATTR_SAMPLE_RATE << 8, + ep, + data, + sizeof(data)); if (err < 0) goto end; @@ -1700,26 +1963,26 @@ static int snd_microii_spdif_default_update(struct usb_mixer_elem_list *list) reg = ((pval >> 4) & 0xf0) | (pval & 0x0f); err = snd_usb_ctl_msg(chip->dev, - usb_sndctrlpipe(chip->dev, 0), - UAC_SET_CUR, - USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, - reg, - 2, - NULL, - 0); + usb_sndctrlpipe(chip->dev, 0), + UAC_SET_CUR, + USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, + reg, + 2, + NULL, + 0); if (err < 0) goto end; reg = (pval & IEC958_AES0_NONAUDIO) ? 0xa0 : 0x20; reg |= (pval >> 12) & 0x0f; err = snd_usb_ctl_msg(chip->dev, - usb_sndctrlpipe(chip->dev, 0), - UAC_SET_CUR, - USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, - reg, - 3, - NULL, - 0); + usb_sndctrlpipe(chip->dev, 0), + UAC_SET_CUR, + USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, + reg, + 3, + NULL, + 0); if (err < 0) goto end; @@ -1729,13 +1992,14 @@ static int snd_microii_spdif_default_update(struct usb_mixer_elem_list *list) } static int snd_microii_spdif_default_put(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) + struct snd_ctl_elem_value *ucontrol) { struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol); unsigned int pval, pval_old; int err; - pval = pval_old = kcontrol->private_value; + pval = kcontrol->private_value; + pval_old = pval; pval &= 0xfffff0f0; pval |= (ucontrol->value.iec958.status[1] & 0x0f) << 8; pval |= (ucontrol->value.iec958.status[0] & 0x0f); @@ -1756,7 +2020,7 @@ static int snd_microii_spdif_default_put(struct snd_kcontrol *kcontrol, } static int snd_microii_spdif_mask_get(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) + struct snd_ctl_elem_value *ucontrol) { ucontrol->value.iec958.status[0] = 0x0f; ucontrol->value.iec958.status[1] = 0xff; @@ -1767,7 +2031,7 @@ static int snd_microii_spdif_mask_get(struct snd_kcontrol *kcontrol, } static int snd_microii_spdif_switch_get(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) + struct snd_ctl_elem_value *ucontrol) { ucontrol->value.integer.value[0] = !(kcontrol->private_value & 0x02); @@ -1785,20 +2049,20 @@ static int snd_microii_spdif_switch_update(struct usb_mixer_elem_list *list) return err; err = snd_usb_ctl_msg(chip->dev, - usb_sndctrlpipe(chip->dev, 0), - UAC_SET_CUR, - USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, - reg, - 9, - NULL, - 0); + usb_sndctrlpipe(chip->dev, 0), + UAC_SET_CUR, + USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, + reg, + 9, + NULL, + 0); snd_usb_unlock_shutdown(chip); return err; } static int snd_microii_spdif_switch_put(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) + struct snd_ctl_elem_value *ucontrol) { struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol); u8 reg; @@ -1883,9 +2147,9 @@ static int snd_soundblaster_e1_switch_update(struct usb_mixer_interface *mixer, if (err < 0) return err; err = snd_usb_ctl_msg(chip->dev, - usb_sndctrlpipe(chip->dev, 0), HID_REQ_SET_REPORT, - USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT, - 0x0202, 3, buff, 2); + usb_sndctrlpipe(chip->dev, 0), HID_REQ_SET_REPORT, + USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT, + 0x0202, 3, buff, 2); snd_usb_unlock_shutdown(chip); return err; } @@ -2153,15 +2417,15 @@ static int dell_dock_mixer_init(struct usb_mixer_interface *mixer) #define SND_RME_CLK_FREQMUL_SHIFT 18 #define SND_RME_CLK_FREQMUL_MASK 0x7 #define SND_RME_CLK_SYSTEM(x) \ - ((x >> SND_RME_CLK_SYSTEM_SHIFT) & SND_RME_CLK_SYSTEM_MASK) + (((x) >> SND_RME_CLK_SYSTEM_SHIFT) & SND_RME_CLK_SYSTEM_MASK) #define SND_RME_CLK_AES(x) \ - ((x >> SND_RME_CLK_AES_SHIFT) & SND_RME_CLK_AES_SPDIF_MASK) + (((x) >> SND_RME_CLK_AES_SHIFT) & SND_RME_CLK_AES_SPDIF_MASK) #define SND_RME_CLK_SPDIF(x) \ - ((x >> SND_RME_CLK_SPDIF_SHIFT) & SND_RME_CLK_AES_SPDIF_MASK) + (((x) >> SND_RME_CLK_SPDIF_SHIFT) & SND_RME_CLK_AES_SPDIF_MASK) #define SND_RME_CLK_SYNC(x) \ - ((x >> SND_RME_CLK_SYNC_SHIFT) & SND_RME_CLK_SYNC_MASK) + (((x) >> SND_RME_CLK_SYNC_SHIFT) & SND_RME_CLK_SYNC_MASK) #define SND_RME_CLK_FREQMUL(x) \ - ((x >> SND_RME_CLK_FREQMUL_SHIFT) & SND_RME_CLK_FREQMUL_MASK) + (((x) >> SND_RME_CLK_FREQMUL_SHIFT) & SND_RME_CLK_FREQMUL_MASK) #define SND_RME_CLK_AES_LOCK 0x1 #define SND_RME_CLK_AES_SYNC 0x4 #define SND_RME_CLK_SPDIF_LOCK 0x2 @@ -2170,9 +2434,9 @@ static int dell_dock_mixer_init(struct usb_mixer_interface *mixer) #define SND_RME_SPDIF_FORMAT_SHIFT 5 #define SND_RME_BINARY_MASK 0x1 #define SND_RME_SPDIF_IF(x) \ - ((x >> SND_RME_SPDIF_IF_SHIFT) & SND_RME_BINARY_MASK) + (((x) >> SND_RME_SPDIF_IF_SHIFT) & SND_RME_BINARY_MASK) #define SND_RME_SPDIF_FORMAT(x) \ - ((x >> SND_RME_SPDIF_FORMAT_SHIFT) & SND_RME_BINARY_MASK) + (((x) >> SND_RME_SPDIF_FORMAT_SHIFT) & SND_RME_BINARY_MASK) static const u32 snd_rme_rate_table[] = { 32000, 44100, 48000, 50000, @@ -2181,6 +2445,7 @@ static const u32 snd_rme_rate_table[] = { 256000, 352800, 384000, 400000, 512000, 705600, 768000, 800000 }; + /* maximum number of items for AES and S/PDIF rates for above table */ #define SND_RME_RATE_IDX_AES_SPDIF_NUM 12 @@ -3235,7 +3500,7 @@ static int snd_rme_digiface_enum_put(struct snd_kcontrol *kcontrol, } static int snd_rme_digiface_current_sync_get(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) + struct snd_ctl_elem_value *ucontrol) { int ret = snd_rme_digiface_enum_get(kcontrol, ucontrol); @@ -3269,7 +3534,6 @@ static int snd_rme_digiface_sync_state_get(struct snd_kcontrol *kcontrol, return 0; } - static int snd_rme_digiface_format_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { @@ -3281,7 +3545,6 @@ static int snd_rme_digiface_format_info(struct snd_kcontrol *kcontrol, ARRAY_SIZE(format), format); } - static int snd_rme_digiface_sync_source_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { @@ -3564,7 +3827,6 @@ static int snd_rme_digiface_controls_create(struct usb_mixer_interface *mixer) #define SND_DJM_A9_IDX 0x6 #define SND_DJM_V10_IDX 0x7 - #define SND_DJM_CTL(_name, suffix, _default_value, _windex) { \ .name = _name, \ .options = snd_djm_opts_##suffix, \ @@ -3576,7 +3838,6 @@ static int snd_rme_digiface_controls_create(struct usb_mixer_interface *mixer) .controls = snd_djm_ctls_##suffix, \ .ncontrols = ARRAY_SIZE(snd_djm_ctls_##suffix) } - struct snd_djm_device { const char *name; const struct snd_djm_ctl *controls; @@ -3722,7 +3983,6 @@ static const struct snd_djm_ctl snd_djm_ctls_250mk2[] = { SND_DJM_CTL("Output 3 Playback Switch", 250mk2_pb3, 2, SND_DJM_WINDEX_PB) }; - // DJM-450 static const u16 snd_djm_opts_450_cap1[] = { 0x0103, 0x0100, 0x0106, 0x0107, 0x0108, 0x0109, 0x010d, 0x010a }; @@ -3747,7 +4007,6 @@ static const struct snd_djm_ctl snd_djm_ctls_450[] = { SND_DJM_CTL("Output 3 Playback Switch", 450_pb3, 2, SND_DJM_WINDEX_PB) }; - // DJM-750 static const u16 snd_djm_opts_750_cap1[] = { 0x0101, 0x0103, 0x0106, 0x0107, 0x0108, 0x0109, 0x010a, 0x010f }; @@ -3766,7 +4025,6 @@ static const struct snd_djm_ctl snd_djm_ctls_750[] = { SND_DJM_CTL("Input 4 Capture Switch", 750_cap4, 0, SND_DJM_WINDEX_CAP) }; - // DJM-850 static const u16 snd_djm_opts_850_cap1[] = { 0x0100, 0x0103, 0x0106, 0x0107, 0x0108, 0x0109, 0x010a, 0x010f }; @@ -3785,7 +4043,6 @@ static const struct snd_djm_ctl snd_djm_ctls_850[] = { SND_DJM_CTL("Input 4 Capture Switch", 850_cap4, 1, SND_DJM_WINDEX_CAP) }; - // DJM-900NXS2 static const u16 snd_djm_opts_900nxs2_cap1[] = { 0x0100, 0x0102, 0x0103, 0x0106, 0x0107, 0x0108, 0x0109, 0x010a }; @@ -3823,7 +4080,6 @@ static const u16 snd_djm_opts_750mk2_pb1[] = { 0x0100, 0x0101, 0x0104 }; static const u16 snd_djm_opts_750mk2_pb2[] = { 0x0200, 0x0201, 0x0204 }; static const u16 snd_djm_opts_750mk2_pb3[] = { 0x0300, 0x0301, 0x0304 }; - static const struct snd_djm_ctl snd_djm_ctls_750mk2[] = { SND_DJM_CTL("Master Input Level Capture Switch", cap_level, 0, SND_DJM_WINDEX_CAPLVL), SND_DJM_CTL("Input 1 Capture Switch", 750mk2_cap1, 2, SND_DJM_WINDEX_CAP), @@ -3836,7 +4092,6 @@ static const struct snd_djm_ctl snd_djm_ctls_750mk2[] = { SND_DJM_CTL("Output 3 Playback Switch", 750mk2_pb3, 2, SND_DJM_WINDEX_PB) }; - // DJM-A9 static const u16 snd_djm_opts_a9_cap_level[] = { 0x0000, 0x0100, 0x0200, 0x0300, 0x0400, 0x0500 }; @@ -3865,29 +4120,35 @@ static const struct snd_djm_ctl snd_djm_ctls_a9[] = { static const u16 snd_djm_opts_v10_cap_level[] = { 0x0000, 0x0100, 0x0200, 0x0300, 0x0400, 0x0500 }; + static const u16 snd_djm_opts_v10_cap1[] = { 0x0103, 0x0100, 0x0102, 0x0106, 0x0110, 0x0107, 0x0108, 0x0109, 0x010a, 0x0121, 0x0122 }; + static const u16 snd_djm_opts_v10_cap2[] = { 0x0200, 0x0202, 0x0206, 0x0210, 0x0207, 0x0208, 0x0209, 0x020a, 0x0221, 0x0222 }; + static const u16 snd_djm_opts_v10_cap3[] = { 0x0303, 0x0300, 0x0302, 0x0306, 0x0310, 0x0307, 0x0308, 0x0309, 0x030a, 0x0321, 0x0322 }; + static const u16 snd_djm_opts_v10_cap4[] = { 0x0403, 0x0400, 0x0402, 0x0406, 0x0410, 0x0407, 0x0408, 0x0409, 0x040a, 0x0421, 0x0422 }; + static const u16 snd_djm_opts_v10_cap5[] = { 0x0500, 0x0502, 0x0506, 0x0510, 0x0507, 0x0508, 0x0509, 0x050a, 0x0521, 0x0522 }; + static const u16 snd_djm_opts_v10_cap6[] = { 0x0603, 0x0600, 0x0602, 0x0606, 0x0610, 0x0607, @@ -3916,9 +4177,8 @@ static const struct snd_djm_device snd_djm_devices[] = { [SND_DJM_V10_IDX] = SND_DJM_DEVICE(v10), }; - static int snd_djm_controls_info(struct snd_kcontrol *kctl, - struct snd_ctl_elem_info *info) + struct snd_ctl_elem_info *info) { unsigned long private_value = kctl->private_value; u8 device_idx = (private_value & SND_DJM_DEVICE_MASK) >> SND_DJM_DEVICE_SHIFT; @@ -3937,8 +4197,8 @@ static int snd_djm_controls_info(struct snd_kcontrol *kctl, info->value.enumerated.item = noptions - 1; name = snd_djm_get_label(device_idx, - ctl->options[info->value.enumerated.item], - ctl->wIndex); + ctl->options[info->value.enumerated.item], + ctl->wIndex); if (!name) return -EINVAL; @@ -3950,25 +4210,25 @@ static int snd_djm_controls_info(struct snd_kcontrol *kctl, } static int snd_djm_controls_update(struct usb_mixer_interface *mixer, - u8 device_idx, u8 group, u16 value) + u8 device_idx, u8 group, u16 value) { int err; const struct snd_djm_device *device = &snd_djm_devices[device_idx]; - if ((group >= device->ncontrols) || value >= device->controls[group].noptions) + if (group >= device->ncontrols || value >= device->controls[group].noptions) return -EINVAL; err = snd_usb_lock_shutdown(mixer->chip); if (err) return err; - err = snd_usb_ctl_msg( - mixer->chip->dev, usb_sndctrlpipe(mixer->chip->dev, 0), - USB_REQ_SET_FEATURE, - USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, - device->controls[group].options[value], - device->controls[group].wIndex, - NULL, 0); + err = snd_usb_ctl_msg(mixer->chip->dev, + usb_sndctrlpipe(mixer->chip->dev, 0), + USB_REQ_SET_FEATURE, + USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, + device->controls[group].options[value], + device->controls[group].wIndex, + NULL, 0); snd_usb_unlock_shutdown(mixer->chip); return err; @@ -4009,7 +4269,7 @@ static int snd_djm_controls_resume(struct usb_mixer_elem_list *list) } static int snd_djm_controls_create(struct usb_mixer_interface *mixer, - const u8 device_idx) + const u8 device_idx) { int err, i; u16 value; @@ -4028,10 +4288,10 @@ static int snd_djm_controls_create(struct usb_mixer_interface *mixer, for (i = 0; i < device->ncontrols; i++) { value = device->controls[i].default_value; knew.name = device->controls[i].name; - knew.private_value = ( + knew.private_value = ((unsigned long)device_idx << SND_DJM_DEVICE_SHIFT) | (i << SND_DJM_GROUP_SHIFT) | - value); + value; err = snd_djm_controls_update(mixer, device_idx, i, value); if (err) return err; @@ -4073,6 +4333,13 @@ int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer) err = snd_emu0204_controls_create(mixer); break; +#if IS_REACHABLE(CONFIG_INPUT) + case USB_ID(0x054c, 0x0ce6): /* Sony DualSense controller (PS5) */ + case USB_ID(0x054c, 0x0df2): /* Sony DualSense Edge controller (PS5) */ + err = snd_dualsense_controls_create(mixer); + break; +#endif /* IS_REACHABLE(CONFIG_INPUT) */ + case USB_ID(0x0763, 0x2030): /* M-Audio Fast Track C400 */ case USB_ID(0x0763, 0x2031): /* M-Audio Fast Track C400 */ err = snd_c400_create_mixer(mixer); @@ -4098,13 +4365,15 @@ int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer) break; case USB_ID(0x17cc, 0x1011): /* Traktor Audio 6 */ - err = snd_nativeinstruments_create_mixer(mixer, + err = snd_nativeinstruments_create_mixer(/* checkpatch hack */ + mixer, snd_nativeinstruments_ta6_mixers, ARRAY_SIZE(snd_nativeinstruments_ta6_mixers)); break; case USB_ID(0x17cc, 0x1021): /* Traktor Audio 10 */ - err = snd_nativeinstruments_create_mixer(mixer, + err = snd_nativeinstruments_create_mixer(/* checkpatch hack */ + mixer, snd_nativeinstruments_ta10_mixers, ARRAY_SIZE(snd_nativeinstruments_ta10_mixers)); break; @@ -4254,7 +4523,8 @@ static void snd_dragonfly_quirk_db_scale(struct usb_mixer_interface *mixer, struct snd_kcontrol *kctl) { /* Approximation using 10 ranges based on output measurement on hw v1.2. - * This seems close to the cubic mapping e.g. alsamixer uses. */ + * This seems close to the cubic mapping e.g. alsamixer uses. + */ static const DECLARE_TLV_DB_RANGE(scale, 0, 1, TLV_DB_MINMAX_ITEM(-5300, -4970), 2, 5, TLV_DB_MINMAX_ITEM(-4710, -4160), @@ -4352,4 +4622,3 @@ void snd_usb_mixer_fu_apply_quirk(struct usb_mixer_interface *mixer, (cval->control == UAC_FU_MUTE || cval->control == UAC_FU_VOLUME)) snd_fix_plt_name(mixer->chip, &kctl->id); } - diff --git a/sound/usb/mixer_scarlett.c b/sound/usb/mixer_scarlett.c index ff548041679b..8babfa3f7c45 100644 --- a/sound/usb/mixer_scarlett.c +++ b/sound/usb/mixer_scarlett.c @@ -357,21 +357,21 @@ static int scarlett_ctl_put(struct snd_kcontrol *kctl, return changed; } -static void scarlett_generate_name(int i, char *dst, int offsets[]) +static void scarlett_generate_name(int i, char *dst, size_t size, int offsets[]) { if (i > offsets[SCARLETT_OFFSET_MIX]) - sprintf(dst, "Mix %c", - 'A'+(i - offsets[SCARLETT_OFFSET_MIX] - 1)); + scnprintf(dst, size, "Mix %c", + 'A'+(i - offsets[SCARLETT_OFFSET_MIX] - 1)); else if (i > offsets[SCARLETT_OFFSET_ADAT]) - sprintf(dst, "ADAT %d", i - offsets[SCARLETT_OFFSET_ADAT]); + scnprintf(dst, size, "ADAT %d", i - offsets[SCARLETT_OFFSET_ADAT]); else if (i > offsets[SCARLETT_OFFSET_SPDIF]) - sprintf(dst, "SPDIF %d", i - offsets[SCARLETT_OFFSET_SPDIF]); + scnprintf(dst, size, "SPDIF %d", i - offsets[SCARLETT_OFFSET_SPDIF]); else if (i > offsets[SCARLETT_OFFSET_ANALOG]) - sprintf(dst, "Analog %d", i - offsets[SCARLETT_OFFSET_ANALOG]); + scnprintf(dst, size, "Analog %d", i - offsets[SCARLETT_OFFSET_ANALOG]); else if (i > offsets[SCARLETT_OFFSET_PCM]) - sprintf(dst, "PCM %d", i - offsets[SCARLETT_OFFSET_PCM]); + scnprintf(dst, size, "PCM %d", i - offsets[SCARLETT_OFFSET_PCM]); else - sprintf(dst, "Off"); + scnprintf(dst, size, "Off"); } static int scarlett_ctl_enum_dynamic_info(struct snd_kcontrol *kctl, @@ -391,6 +391,7 @@ static int scarlett_ctl_enum_dynamic_info(struct snd_kcontrol *kctl, /* generate name dynamically based on item number and offset info */ scarlett_generate_name(uinfo->value.enumerated.item, uinfo->value.enumerated.name, + sizeof(uinfo->value.enumerated.name), opt->offsets); return 0; @@ -876,7 +877,8 @@ static int scarlett_controls_create_generic(struct usb_mixer_interface *mixer, return err; break; case SCARLETT_SWITCH_IMPEDANCE: - sprintf(mx, "Input %d Impedance Switch", ctl->num); + scnprintf(mx, sizeof(mx), + "Input %d Impedance Switch", ctl->num); err = add_new_ctl(mixer, &usb_scarlett_ctl_enum, scarlett_ctl_enum_resume, 0x01, 0x09, ctl->num, USB_MIXER_S16, 1, mx, @@ -885,7 +887,8 @@ static int scarlett_controls_create_generic(struct usb_mixer_interface *mixer, return err; break; case SCARLETT_SWITCH_PAD: - sprintf(mx, "Input %d Pad Switch", ctl->num); + scnprintf(mx, sizeof(mx), + "Input %d Pad Switch", ctl->num); err = add_new_ctl(mixer, &usb_scarlett_ctl_enum, scarlett_ctl_enum_resume, 0x01, 0x0b, ctl->num, USB_MIXER_S16, 1, mx, @@ -894,7 +897,8 @@ static int scarlett_controls_create_generic(struct usb_mixer_interface *mixer, return err; break; case SCARLETT_SWITCH_GAIN: - sprintf(mx, "Input %d Gain Switch", ctl->num); + scnprintf(mx, sizeof(mx), + "Input %d Gain Switch", ctl->num); err = add_new_ctl(mixer, &usb_scarlett_ctl_enum, scarlett_ctl_enum_resume, 0x01, 0x08, ctl->num, USB_MIXER_S16, 1, mx, @@ -960,8 +964,9 @@ int snd_scarlett_controls_create(struct usb_mixer_interface *mixer) return err; for (o = 0; o < info->matrix_out; o++) { - sprintf(mx, "Matrix %02d Mix %c Playback Volume", i+1, - o+'A'); + scnprintf(mx, sizeof(mx), + "Matrix %02d Mix %c Playback Volume", i+1, + o+'A'); err = add_new_ctl(mixer, &usb_scarlett_ctl, scarlett_ctl_resume, 0x3c, 0x00, (i << 3) + (o & 0x07), USB_MIXER_S16, diff --git a/sound/usb/mixer_scarlett2.c b/sound/usb/mixer_scarlett2.c index 93589e86828a..49eeb1444dce 100644 --- a/sound/usb/mixer_scarlett2.c +++ b/sound/usb/mixer_scarlett2.c @@ -7396,13 +7396,15 @@ static int scarlett2_mux_src_enum_ctl_info(struct snd_kcontrol *kctl, if (port_type == SCARLETT2_PORT_TYPE_MIX && item >= private->num_mix_out) - sprintf(uinfo->value.enumerated.name, - port->dsp_src_descr, - item - private->num_mix_out + 1); + scnprintf(uinfo->value.enumerated.name, + sizeof(uinfo->value.enumerated.name), + port->dsp_src_descr, + item - private->num_mix_out + 1); else - sprintf(uinfo->value.enumerated.name, - port->src_descr, - item + port->src_num_offset); + scnprintf(uinfo->value.enumerated.name, + sizeof(uinfo->value.enumerated.name), + port->src_descr, + item + port->src_num_offset); return 0; } diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c index 08bf535ed163..b24ee38fad72 100644 --- a/sound/usb/pcm.c +++ b/sound/usb/pcm.c @@ -148,6 +148,16 @@ find_format(struct list_head *fmt_list_head, snd_pcm_format_t format, return found; } +const struct audioformat * +snd_usb_find_format(struct list_head *fmt_list_head, snd_pcm_format_t format, + unsigned int rate, unsigned int channels, bool strict_match, + struct snd_usb_substream *subs) +{ + return find_format(fmt_list_head, format, rate, channels, strict_match, + subs); +} +EXPORT_SYMBOL_GPL(snd_usb_find_format); + static const struct audioformat * find_substream_format(struct snd_usb_substream *subs, const struct snd_pcm_hw_params *params) @@ -157,6 +167,14 @@ find_substream_format(struct snd_usb_substream *subs, true, subs); } +const struct audioformat * +snd_usb_find_substream_format(struct snd_usb_substream *subs, + const struct snd_pcm_hw_params *params) +{ + return find_substream_format(subs, params); +} +EXPORT_SYMBOL_GPL(snd_usb_find_substream_format); + bool snd_usb_pcm_has_fixed_rate(struct snd_usb_substream *subs) { const struct audioformat *fp; @@ -461,20 +479,9 @@ static void close_endpoints(struct snd_usb_audio *chip, } } -/* - * hw_params callback - * - * allocate a buffer and set the given audio format. - * - * so far we use a physically linear buffer although packetize transfer - * doesn't need a continuous area. - * if sg buffer is supported on the later version of alsa, we'll follow - * that. - */ -static int snd_usb_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *hw_params) +int snd_usb_hw_params(struct snd_usb_substream *subs, + struct snd_pcm_hw_params *hw_params) { - struct snd_usb_substream *subs = substream->runtime->private_data; struct snd_usb_audio *chip = subs->stream->chip; const struct audioformat *fmt; const struct audioformat *sync_fmt; @@ -499,7 +506,7 @@ static int snd_usb_hw_params(struct snd_pcm_substream *substream, if (fmt->implicit_fb) { sync_fmt = snd_usb_find_implicit_fb_sync_format(chip, fmt, hw_params, - !substream->stream, + !subs->direction, &sync_fixed_rate); if (!sync_fmt) { usb_audio_dbg(chip, @@ -579,15 +586,28 @@ static int snd_usb_hw_params(struct snd_pcm_substream *substream, return ret; } +EXPORT_SYMBOL_GPL(snd_usb_hw_params); /* - * hw_free callback + * hw_params callback * - * reset the audio format and release the buffer + * allocate a buffer and set the given audio format. + * + * so far we use a physically linear buffer although packetize transfer + * doesn't need a continuous area. + * if sg buffer is supported on the later version of alsa, we'll follow + * that. */ -static int snd_usb_hw_free(struct snd_pcm_substream *substream) +static int snd_usb_pcm_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *hw_params) { struct snd_usb_substream *subs = substream->runtime->private_data; + + return snd_usb_hw_params(subs, hw_params); +} + +int snd_usb_hw_free(struct snd_usb_substream *subs) +{ struct snd_usb_audio *chip = subs->stream->chip; snd_media_stop_pipeline(subs); @@ -603,6 +623,19 @@ static int snd_usb_hw_free(struct snd_pcm_substream *substream) return 0; } +EXPORT_SYMBOL_GPL(snd_usb_hw_free); + +/* + * hw_free callback + * + * reset the audio format and release the buffer + */ +static int snd_usb_pcm_hw_free(struct snd_pcm_substream *substream) +{ + struct snd_usb_substream *subs = substream->runtime->private_data; + + return snd_usb_hw_free(subs); +} /* free-wheeling mode? (e.g. dmix) */ static int in_free_wheeling_mode(struct snd_pcm_runtime *runtime) @@ -1208,8 +1241,17 @@ static int snd_usb_pcm_open(struct snd_pcm_substream *substream) struct snd_usb_stream *as = snd_pcm_substream_chip(substream); struct snd_pcm_runtime *runtime = substream->runtime; struct snd_usb_substream *subs = &as->substream[direction]; + struct snd_usb_audio *chip = subs->stream->chip; int ret; + mutex_lock(&chip->mutex); + if (subs->opened) { + mutex_unlock(&chip->mutex); + return -EBUSY; + } + subs->opened = 1; + mutex_unlock(&chip->mutex); + runtime->hw = snd_usb_hardware; /* need an explicit sync to catch applptr update in low-latency mode */ if (direction == SNDRV_PCM_STREAM_PLAYBACK && @@ -1226,13 +1268,23 @@ static int snd_usb_pcm_open(struct snd_pcm_substream *substream) ret = setup_hw_info(runtime, subs); if (ret < 0) - return ret; + goto err_open; ret = snd_usb_autoresume(subs->stream->chip); if (ret < 0) - return ret; + goto err_open; ret = snd_media_stream_init(subs, as->pcm, direction); if (ret < 0) - snd_usb_autosuspend(subs->stream->chip); + goto err_resume; + + return 0; + +err_resume: + snd_usb_autosuspend(subs->stream->chip); +err_open: + mutex_lock(&chip->mutex); + subs->opened = 0; + mutex_unlock(&chip->mutex); + return ret; } @@ -1241,6 +1293,7 @@ static int snd_usb_pcm_close(struct snd_pcm_substream *substream) int direction = substream->stream; struct snd_usb_stream *as = snd_pcm_substream_chip(substream); struct snd_usb_substream *subs = &as->substream[direction]; + struct snd_usb_audio *chip = subs->stream->chip; int ret; snd_media_stop_pipeline(subs); @@ -1254,6 +1307,9 @@ static int snd_usb_pcm_close(struct snd_pcm_substream *substream) subs->pcm_substream = NULL; snd_usb_autosuspend(subs->stream->chip); + mutex_lock(&chip->mutex); + subs->opened = 0; + mutex_unlock(&chip->mutex); return 0; } @@ -1746,8 +1802,8 @@ static int snd_usb_substream_capture_trigger(struct snd_pcm_substream *substream static const struct snd_pcm_ops snd_usb_playback_ops = { .open = snd_usb_pcm_open, .close = snd_usb_pcm_close, - .hw_params = snd_usb_hw_params, - .hw_free = snd_usb_hw_free, + .hw_params = snd_usb_pcm_hw_params, + .hw_free = snd_usb_pcm_hw_free, .prepare = snd_usb_pcm_prepare, .trigger = snd_usb_substream_playback_trigger, .sync_stop = snd_usb_pcm_sync_stop, @@ -1758,8 +1814,8 @@ static const struct snd_pcm_ops snd_usb_playback_ops = { static const struct snd_pcm_ops snd_usb_capture_ops = { .open = snd_usb_pcm_open, .close = snd_usb_pcm_close, - .hw_params = snd_usb_hw_params, - .hw_free = snd_usb_hw_free, + .hw_params = snd_usb_pcm_hw_params, + .hw_free = snd_usb_pcm_hw_free, .prepare = snd_usb_pcm_prepare, .trigger = snd_usb_substream_capture_trigger, .sync_stop = snd_usb_pcm_sync_stop, diff --git a/sound/usb/pcm.h b/sound/usb/pcm.h index 388fe2ba346d..c096021adb2b 100644 --- a/sound/usb/pcm.h +++ b/sound/usb/pcm.h @@ -15,4 +15,15 @@ void snd_usb_preallocate_buffer(struct snd_usb_substream *subs); int snd_usb_audioformat_set_sync_ep(struct snd_usb_audio *chip, struct audioformat *fmt); +const struct audioformat * +snd_usb_find_format(struct list_head *fmt_list_head, snd_pcm_format_t format, + unsigned int rate, unsigned int channels, bool strict_match, + struct snd_usb_substream *subs); +const struct audioformat * +snd_usb_find_substream_format(struct snd_usb_substream *subs, + const struct snd_pcm_hw_params *params); + +int snd_usb_hw_params(struct snd_usb_substream *subs, + struct snd_pcm_hw_params *hw_params); +int snd_usb_hw_free(struct snd_usb_substream *subs); #endif /* __USBAUDIO_PCM_H */ diff --git a/sound/usb/proc.c b/sound/usb/proc.c index e9bbaea7b2fa..c8b967bd7065 100644 --- a/sound/usb/proc.c +++ b/sound/usb/proc.c @@ -231,7 +231,7 @@ void snd_usb_proc_pcm_format_add(struct snd_usb_stream *stream) char name[32]; struct snd_card *card = stream->chip->card; - sprintf(name, "stream%d", stream->pcm_index); + scnprintf(name, sizeof(name), "stream%d", stream->pcm_index); snd_card_ro_proc_new(card, name, stream, proc_pcm_format_read); } diff --git a/sound/usb/qcom/Makefile b/sound/usb/qcom/Makefile new file mode 100644 index 000000000000..6567727b66f0 --- /dev/null +++ b/sound/usb/qcom/Makefile @@ -0,0 +1,4 @@ +snd-usb-audio-qmi-y := usb_audio_qmi_v01.o qc_audio_offload.o +snd-usb-audio-qmi-y += mixer_usb_offload.o +obj-$(CONFIG_SND_USB_AUDIO_QMI) += snd-usb-audio-qmi.o + diff --git a/sound/usb/qcom/mixer_usb_offload.c b/sound/usb/qcom/mixer_usb_offload.c new file mode 100644 index 000000000000..2adeb64f4d33 --- /dev/null +++ b/sound/usb/qcom/mixer_usb_offload.c @@ -0,0 +1,155 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2022-2025 Qualcomm Innovation Center, Inc. All rights reserved. + */ + +#include <linux/usb.h> + +#include <sound/core.h> +#include <sound/control.h> +#include <sound/soc-usb.h> + +#include "../usbaudio.h" +#include "../card.h" +#include "../helper.h" +#include "../mixer.h" + +#include "mixer_usb_offload.h" + +#define PCM_IDX(n) ((n) & 0xffff) +#define CARD_IDX(n) ((n) >> 16) + +static int +snd_usb_offload_card_route_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct device *sysdev = snd_kcontrol_chip(kcontrol); + int ret; + + ret = snd_soc_usb_update_offload_route(sysdev, + CARD_IDX(kcontrol->private_value), + PCM_IDX(kcontrol->private_value), + SNDRV_PCM_STREAM_PLAYBACK, + SND_SOC_USB_KCTL_CARD_ROUTE, + ucontrol->value.integer.value); + if (ret < 0) { + ucontrol->value.integer.value[0] = -1; + ucontrol->value.integer.value[1] = -1; + } + + return 0; +} + +static int snd_usb_offload_card_route_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = 1; + uinfo->value.integer.min = -1; + uinfo->value.integer.max = SNDRV_CARDS; + + return 0; +} + +static struct snd_kcontrol_new snd_usb_offload_mapped_card_ctl = { + .iface = SNDRV_CTL_ELEM_IFACE_CARD, + .access = SNDRV_CTL_ELEM_ACCESS_READ, + .info = snd_usb_offload_card_route_info, + .get = snd_usb_offload_card_route_get, +}; + +static int +snd_usb_offload_pcm_route_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct device *sysdev = snd_kcontrol_chip(kcontrol); + int ret; + + ret = snd_soc_usb_update_offload_route(sysdev, + CARD_IDX(kcontrol->private_value), + PCM_IDX(kcontrol->private_value), + SNDRV_PCM_STREAM_PLAYBACK, + SND_SOC_USB_KCTL_PCM_ROUTE, + ucontrol->value.integer.value); + if (ret < 0) { + ucontrol->value.integer.value[0] = -1; + ucontrol->value.integer.value[1] = -1; + } + + return 0; +} + +static int snd_usb_offload_pcm_route_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = 1; + uinfo->value.integer.min = -1; + /* Arbitrary max value, as there is no 'limit' on number of PCM devices */ + uinfo->value.integer.max = 0xff; + + return 0; +} + +static struct snd_kcontrol_new snd_usb_offload_mapped_pcm_ctl = { + .iface = SNDRV_CTL_ELEM_IFACE_CARD, + .access = SNDRV_CTL_ELEM_ACCESS_READ, + .info = snd_usb_offload_pcm_route_info, + .get = snd_usb_offload_pcm_route_get, +}; + +/** + * snd_usb_offload_create_ctl() - Add USB offload bounded mixer + * @chip: USB SND chip device + * @bedev: Reference to USB backend DAI device + * + * Creates a sound control for a USB audio device, so that applications can + * query for if there is an available USB audio offload path, and which + * card is managing it. + */ +int snd_usb_offload_create_ctl(struct snd_usb_audio *chip, struct device *bedev) +{ + struct snd_kcontrol_new *chip_kctl; + struct snd_usb_substream *subs; + struct snd_usb_stream *as; + char ctl_name[48]; + int ret; + + list_for_each_entry(as, &chip->pcm_list, list) { + subs = &as->substream[SNDRV_PCM_STREAM_PLAYBACK]; + if (!subs->ep_num || as->pcm_index > 0xff) + continue; + + chip_kctl = &snd_usb_offload_mapped_card_ctl; + chip_kctl->count = 1; + /* + * Store the associated USB SND card number and PCM index for + * the kctl. + */ + chip_kctl->private_value = as->pcm_index | + chip->card->number << 16; + sprintf(ctl_name, "USB Offload Playback Card Route PCM#%d", + as->pcm_index); + chip_kctl->name = ctl_name; + ret = snd_ctl_add(chip->card, snd_ctl_new1(chip_kctl, bedev)); + if (ret < 0) + break; + + chip_kctl = &snd_usb_offload_mapped_pcm_ctl; + chip_kctl->count = 1; + /* + * Store the associated USB SND card number and PCM index for + * the kctl. + */ + chip_kctl->private_value = as->pcm_index | + chip->card->number << 16; + sprintf(ctl_name, "USB Offload Playback PCM Route PCM#%d", + as->pcm_index); + chip_kctl->name = ctl_name; + ret = snd_ctl_add(chip->card, snd_ctl_new1(chip_kctl, bedev)); + if (ret < 0) + break; + } + + return ret; +} diff --git a/sound/usb/qcom/mixer_usb_offload.h b/sound/usb/qcom/mixer_usb_offload.h new file mode 100644 index 000000000000..cf20673f4dc9 --- /dev/null +++ b/sound/usb/qcom/mixer_usb_offload.h @@ -0,0 +1,11 @@ +/* SPDX-License-Identifier: GPL-2.0 + * + * Copyright (c) 2022-2025 Qualcomm Innovation Center, Inc. All rights reserved. + */ + +#ifndef __USB_OFFLOAD_MIXER_H +#define __USB_OFFLOAD_MIXER_H + +int snd_usb_offload_create_ctl(struct snd_usb_audio *chip, struct device *bedev); + +#endif /* __USB_OFFLOAD_MIXER_H */ diff --git a/sound/usb/qcom/qc_audio_offload.c b/sound/usb/qcom/qc_audio_offload.c new file mode 100644 index 000000000000..a25c5a531690 --- /dev/null +++ b/sound/usb/qcom/qc_audio_offload.c @@ -0,0 +1,2017 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2022-2025 Qualcomm Innovation Center, Inc. All rights reserved. + */ + +#include <linux/auxiliary_bus.h> +#include <linux/ctype.h> +#include <linux/dma-mapping.h> +#include <linux/dma-map-ops.h> +#include <linux/init.h> +#include <linux/iommu.h> +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/soc/qcom/qmi.h> +#include <linux/usb.h> +#include <linux/usb/audio.h> +#include <linux/usb/audio-v2.h> +#include <linux/usb/audio-v3.h> +#include <linux/usb/hcd.h> +#include <linux/usb/quirks.h> +#include <linux/usb/xhci-sideband.h> + +#include <sound/control.h> +#include <sound/core.h> +#include <sound/info.h> +#include <sound/initval.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <sound/q6usboffload.h> +#include <sound/soc.h> +#include <sound/soc-usb.h> + +#include "../usbaudio.h" +#include "../card.h" +#include "../endpoint.h" +#include "../format.h" +#include "../helper.h" +#include "../pcm.h" +#include "../power.h" + +#include "mixer_usb_offload.h" +#include "usb_audio_qmi_v01.h" + +/* Stream disable request timeout during USB device disconnect */ +#define DEV_RELEASE_WAIT_TIMEOUT 10000 /* in ms */ + +/* Data interval calculation parameters */ +#define BUS_INTERVAL_FULL_SPEED 1000 /* in us */ +#define BUS_INTERVAL_HIGHSPEED_AND_ABOVE 125 /* in us */ +#define MAX_BINTERVAL_ISOC_EP 16 + +#define QMI_STREAM_REQ_CARD_NUM_MASK 0xffff0000 +#define QMI_STREAM_REQ_DEV_NUM_MASK 0xff00 +#define QMI_STREAM_REQ_DIRECTION 0xff + +/* iommu resource parameters and management */ +#define PREPEND_SID_TO_IOVA(iova, sid) ((u64)(((u64)(iova)) | \ + (((u64)sid) << 32))) +#define IOVA_MASK(iova) (((u64)(iova)) & 0xFFFFFFFF) +#define IOVA_BASE 0x1000 +#define IOVA_XFER_RING_BASE (IOVA_BASE + PAGE_SIZE * (SNDRV_CARDS + 1)) +#define IOVA_XFER_BUF_BASE (IOVA_XFER_RING_BASE + PAGE_SIZE * SNDRV_CARDS * 32) +#define IOVA_XFER_RING_MAX (IOVA_XFER_BUF_BASE - PAGE_SIZE) +#define IOVA_XFER_BUF_MAX (0xfffff000 - PAGE_SIZE) + +#define MAX_XFER_BUFF_LEN (24 * PAGE_SIZE) + +struct iova_info { + struct list_head list; + unsigned long start_iova; + size_t size; + bool in_use; +}; + +struct intf_info { + /* IOMMU ring/buffer mapping information */ + unsigned long data_xfer_ring_va; + size_t data_xfer_ring_size; + unsigned long sync_xfer_ring_va; + size_t sync_xfer_ring_size; + dma_addr_t xfer_buf_iova; + size_t xfer_buf_size; + dma_addr_t xfer_buf_dma; + u8 *xfer_buf_cpu; + + /* USB endpoint information */ + unsigned int data_ep_pipe; + unsigned int sync_ep_pipe; + unsigned int data_ep_idx; + unsigned int sync_ep_idx; + + u8 intf_num; + u8 pcm_card_num; + u8 pcm_dev_num; + u8 direction; + bool in_use; +}; + +struct uaudio_qmi_dev { + struct device *dev; + struct q6usb_offload *data; + struct auxiliary_device *auxdev; + + /* list to keep track of available iova */ + struct list_head xfer_ring_list; + size_t xfer_ring_iova_size; + unsigned long curr_xfer_ring_iova; + struct list_head xfer_buf_list; + size_t xfer_buf_iova_size; + unsigned long curr_xfer_buf_iova; + + /* bit fields representing pcm card enabled */ + unsigned long card_slot; + /* indicate event ring mapped or not */ + bool er_mapped; +}; + +struct uaudio_dev { + struct usb_device *udev; + /* audio control interface */ + struct usb_host_interface *ctrl_intf; + unsigned int usb_core_id; + atomic_t in_use; + struct kref kref; + wait_queue_head_t disconnect_wq; + + /* interface specific */ + int num_intf; + struct intf_info *info; + struct snd_usb_audio *chip; + + /* xhci sideband */ + struct xhci_sideband *sb; + + /* SoC USB device */ + struct snd_soc_usb_device *sdev; +}; + +static struct uaudio_dev uadev[SNDRV_CARDS]; +static struct uaudio_qmi_dev *uaudio_qdev; +static struct uaudio_qmi_svc *uaudio_svc; +static DEFINE_MUTEX(qdev_mutex); + +struct uaudio_qmi_svc { + struct qmi_handle *uaudio_svc_hdl; + struct sockaddr_qrtr client_sq; + bool client_connected; +}; + +enum mem_type { + MEM_EVENT_RING, + MEM_XFER_RING, + MEM_XFER_BUF, +}; + +/* Supported audio formats */ +enum usb_qmi_audio_format { + USB_QMI_PCM_FORMAT_S8 = 0, + USB_QMI_PCM_FORMAT_U8, + USB_QMI_PCM_FORMAT_S16_LE, + USB_QMI_PCM_FORMAT_S16_BE, + USB_QMI_PCM_FORMAT_U16_LE, + USB_QMI_PCM_FORMAT_U16_BE, + USB_QMI_PCM_FORMAT_S24_LE, + USB_QMI_PCM_FORMAT_S24_BE, + USB_QMI_PCM_FORMAT_U24_LE, + USB_QMI_PCM_FORMAT_U24_BE, + USB_QMI_PCM_FORMAT_S24_3LE, + USB_QMI_PCM_FORMAT_S24_3BE, + USB_QMI_PCM_FORMAT_U24_3LE, + USB_QMI_PCM_FORMAT_U24_3BE, + USB_QMI_PCM_FORMAT_S32_LE, + USB_QMI_PCM_FORMAT_S32_BE, + USB_QMI_PCM_FORMAT_U32_LE, + USB_QMI_PCM_FORMAT_U32_BE, +}; + +static int usb_qmi_get_pcm_num(struct snd_usb_audio *chip, int direction) +{ + struct snd_usb_substream *subs = NULL; + struct snd_usb_stream *as; + int count = 0; + + list_for_each_entry(as, &chip->pcm_list, list) { + subs = &as->substream[direction]; + if (subs->ep_num) + count++; + } + + return count; +} + +static enum usb_qmi_audio_device_speed_enum_v01 +get_speed_info(enum usb_device_speed udev_speed) +{ + switch (udev_speed) { + case USB_SPEED_LOW: + return USB_QMI_DEVICE_SPEED_LOW_V01; + case USB_SPEED_FULL: + return USB_QMI_DEVICE_SPEED_FULL_V01; + case USB_SPEED_HIGH: + return USB_QMI_DEVICE_SPEED_HIGH_V01; + case USB_SPEED_SUPER: + return USB_QMI_DEVICE_SPEED_SUPER_V01; + case USB_SPEED_SUPER_PLUS: + return USB_QMI_DEVICE_SPEED_SUPER_PLUS_V01; + default: + return USB_QMI_DEVICE_SPEED_INVALID_V01; + } +} + +static struct snd_usb_substream *find_substream(unsigned int card_num, + unsigned int pcm_idx, + unsigned int direction) +{ + struct snd_usb_substream *subs = NULL; + struct snd_usb_audio *chip; + struct snd_usb_stream *as; + + chip = uadev[card_num].chip; + if (!chip || atomic_read(&chip->shutdown)) + goto done; + + if (pcm_idx >= chip->pcm_devs) + goto done; + + if (direction > SNDRV_PCM_STREAM_CAPTURE) + goto done; + + list_for_each_entry(as, &chip->pcm_list, list) { + if (as->pcm_index == pcm_idx) { + subs = &as->substream[direction]; + goto done; + } + } + +done: + return subs; +} + +static int info_idx_from_ifnum(int card_num, int intf_num, bool enable) +{ + int i; + + /* + * default index 0 is used when info is allocated upon + * first enable audio stream req for a pcm device + */ + if (enable && !uadev[card_num].info) + return 0; + + for (i = 0; i < uadev[card_num].num_intf; i++) { + if (enable && !uadev[card_num].info[i].in_use) + return i; + else if (!enable && + uadev[card_num].info[i].intf_num == intf_num) + return i; + } + + return -EINVAL; +} + +static int get_data_interval_from_si(struct snd_usb_substream *subs, + u32 service_interval) +{ + unsigned int bus_intval_mult; + unsigned int bus_intval; + unsigned int binterval; + + if (subs->dev->speed >= USB_SPEED_HIGH) + bus_intval = BUS_INTERVAL_HIGHSPEED_AND_ABOVE; + else + bus_intval = BUS_INTERVAL_FULL_SPEED; + + if (service_interval % bus_intval) + return -EINVAL; + + bus_intval_mult = service_interval / bus_intval; + binterval = ffs(bus_intval_mult); + if (!binterval || binterval > MAX_BINTERVAL_ISOC_EP) + return -EINVAL; + + /* check if another bit is set then bail out */ + bus_intval_mult = bus_intval_mult >> binterval; + if (bus_intval_mult) + return -EINVAL; + + return (binterval - 1); +} + +/* maps audio format received over QMI to asound.h based pcm format */ +static snd_pcm_format_t map_pcm_format(enum usb_qmi_audio_format fmt_received) +{ + switch (fmt_received) { + case USB_QMI_PCM_FORMAT_S8: + return SNDRV_PCM_FORMAT_S8; + case USB_QMI_PCM_FORMAT_U8: + return SNDRV_PCM_FORMAT_U8; + case USB_QMI_PCM_FORMAT_S16_LE: + return SNDRV_PCM_FORMAT_S16_LE; + case USB_QMI_PCM_FORMAT_S16_BE: + return SNDRV_PCM_FORMAT_S16_BE; + case USB_QMI_PCM_FORMAT_U16_LE: + return SNDRV_PCM_FORMAT_U16_LE; + case USB_QMI_PCM_FORMAT_U16_BE: + return SNDRV_PCM_FORMAT_U16_BE; + case USB_QMI_PCM_FORMAT_S24_LE: + return SNDRV_PCM_FORMAT_S24_LE; + case USB_QMI_PCM_FORMAT_S24_BE: + return SNDRV_PCM_FORMAT_S24_BE; + case USB_QMI_PCM_FORMAT_U24_LE: + return SNDRV_PCM_FORMAT_U24_LE; + case USB_QMI_PCM_FORMAT_U24_BE: + return SNDRV_PCM_FORMAT_U24_BE; + case USB_QMI_PCM_FORMAT_S24_3LE: + return SNDRV_PCM_FORMAT_S24_3LE; + case USB_QMI_PCM_FORMAT_S24_3BE: + return SNDRV_PCM_FORMAT_S24_3BE; + case USB_QMI_PCM_FORMAT_U24_3LE: + return SNDRV_PCM_FORMAT_U24_3LE; + case USB_QMI_PCM_FORMAT_U24_3BE: + return SNDRV_PCM_FORMAT_U24_3BE; + case USB_QMI_PCM_FORMAT_S32_LE: + return SNDRV_PCM_FORMAT_S32_LE; + case USB_QMI_PCM_FORMAT_S32_BE: + return SNDRV_PCM_FORMAT_S32_BE; + case USB_QMI_PCM_FORMAT_U32_LE: + return SNDRV_PCM_FORMAT_U32_LE; + case USB_QMI_PCM_FORMAT_U32_BE: + return SNDRV_PCM_FORMAT_U32_BE; + default: + /* + * We expect the caller to do input validation so we should + * never hit this. But we do have to return a proper + * snd_pcm_format_t value due to the __bitwise attribute; so + * just return the equivalent of 0 in case of bad input. + */ + return SNDRV_PCM_FORMAT_S8; + } +} + +/* + * Sends QMI disconnect indication message, assumes chip->mutex and qdev_mutex + * lock held by caller. + */ +static int uaudio_send_disconnect_ind(struct snd_usb_audio *chip) +{ + struct qmi_uaudio_stream_ind_msg_v01 disconnect_ind = {0}; + struct uaudio_qmi_svc *svc = uaudio_svc; + struct uaudio_dev *dev; + int ret = 0; + + dev = &uadev[chip->card->number]; + + if (atomic_read(&dev->in_use)) { + mutex_unlock(&chip->mutex); + mutex_unlock(&qdev_mutex); + dev_dbg(uaudio_qdev->data->dev, "sending qmi indication suspend\n"); + disconnect_ind.dev_event = USB_QMI_DEV_DISCONNECT_V01; + disconnect_ind.slot_id = dev->udev->slot_id; + disconnect_ind.controller_num = dev->usb_core_id; + disconnect_ind.controller_num_valid = 1; + ret = qmi_send_indication(svc->uaudio_svc_hdl, &svc->client_sq, + QMI_UAUDIO_STREAM_IND_V01, + QMI_UAUDIO_STREAM_IND_MSG_V01_MAX_MSG_LEN, + qmi_uaudio_stream_ind_msg_v01_ei, + &disconnect_ind); + if (ret < 0) + dev_err(uaudio_qdev->data->dev, + "qmi send failed with err: %d\n", ret); + + ret = wait_event_interruptible_timeout(dev->disconnect_wq, + !atomic_read(&dev->in_use), + msecs_to_jiffies(DEV_RELEASE_WAIT_TIMEOUT)); + if (!ret) { + dev_err(uaudio_qdev->data->dev, + "timeout while waiting for dev_release\n"); + atomic_set(&dev->in_use, 0); + } else if (ret < 0) { + dev_err(uaudio_qdev->data->dev, + "failed with ret %d\n", ret); + atomic_set(&dev->in_use, 0); + } + mutex_lock(&qdev_mutex); + mutex_lock(&chip->mutex); + } + + return ret; +} + +/* Offloading IOMMU management */ +static unsigned long uaudio_get_iova(unsigned long *curr_iova, + size_t *curr_iova_size, + struct list_head *head, size_t size) +{ + struct iova_info *info, *new_info = NULL; + struct list_head *curr_head; + size_t tmp_size = size; + unsigned long iova = 0; + + if (size % PAGE_SIZE) + goto done; + + if (size > *curr_iova_size) + goto done; + + if (*curr_iova_size == 0) + goto done; + + list_for_each_entry(info, head, list) { + /* exact size iova_info */ + if (!info->in_use && info->size == size) { + info->in_use = true; + iova = info->start_iova; + *curr_iova_size -= size; + goto done; + } else if (!info->in_use && tmp_size >= info->size) { + if (!new_info) + new_info = info; + tmp_size -= info->size; + if (tmp_size) + continue; + + iova = new_info->start_iova; + for (curr_head = &new_info->list; curr_head != + &info->list; curr_head = curr_head->next) { + new_info = list_entry(curr_head, struct + iova_info, list); + new_info->in_use = true; + } + info->in_use = true; + *curr_iova_size -= size; + goto done; + } else { + /* iova region in use */ + new_info = NULL; + tmp_size = size; + } + } + + info = kzalloc(sizeof(*info), GFP_KERNEL); + if (!info) { + iova = 0; + goto done; + } + + iova = *curr_iova; + info->start_iova = *curr_iova; + info->size = size; + info->in_use = true; + *curr_iova += size; + *curr_iova_size -= size; + list_add_tail(&info->list, head); + +done: + return iova; +} + +static void uaudio_put_iova(unsigned long iova, size_t size, struct list_head + *head, size_t *curr_iova_size) +{ + struct iova_info *info; + size_t tmp_size = size; + bool found = false; + + list_for_each_entry(info, head, list) { + if (info->start_iova == iova) { + if (!info->in_use) + return; + + found = true; + info->in_use = false; + if (info->size == size) + goto done; + } + + if (found && tmp_size >= info->size) { + info->in_use = false; + tmp_size -= info->size; + if (!tmp_size) + goto done; + } + } + + if (!found) + return; + +done: + *curr_iova_size += size; +} + +/** + * uaudio_iommu_unmap() - unmaps iommu memory for adsp + * @mtype: ring type + * @iova: virtual address to unmap + * @iova_size: region size + * @mapped_iova_size: mapped region size + * + * Unmaps the memory region that was previously assigned to the adsp. + * + */ +static void uaudio_iommu_unmap(enum mem_type mtype, unsigned long iova, + size_t iova_size, size_t mapped_iova_size) +{ + size_t umap_size; + bool unmap = true; + + if (!iova || !iova_size) + return; + + switch (mtype) { + case MEM_EVENT_RING: + if (uaudio_qdev->er_mapped) + uaudio_qdev->er_mapped = false; + else + unmap = false; + break; + + case MEM_XFER_RING: + uaudio_put_iova(iova, iova_size, &uaudio_qdev->xfer_ring_list, + &uaudio_qdev->xfer_ring_iova_size); + break; + case MEM_XFER_BUF: + uaudio_put_iova(iova, iova_size, &uaudio_qdev->xfer_buf_list, + &uaudio_qdev->xfer_buf_iova_size); + break; + default: + unmap = false; + } + + if (!unmap || !mapped_iova_size) + return; + + umap_size = iommu_unmap(uaudio_qdev->data->domain, iova, mapped_iova_size); + if (umap_size != mapped_iova_size) + dev_err(uaudio_qdev->data->dev, + "unmapped size %zu for iova 0x%08lx of mapped size %zu\n", + umap_size, iova, mapped_iova_size); +} + +/** + * uaudio_iommu_map() - maps iommu memory for adsp + * @mtype: ring type + * @dma_coherent: dma coherent + * @pa: physical address for ring/buffer + * @size: size of memory region + * @sgt: sg table for memory region + * + * Maps the XHCI related resources to a memory region that is assigned to be + * used by the adsp. This will be mapped to the domain, which is created by + * the ASoC USB backend driver. + * + */ +static unsigned long uaudio_iommu_map(enum mem_type mtype, bool dma_coherent, + phys_addr_t pa, size_t size, + struct sg_table *sgt) +{ + struct scatterlist *sg; + unsigned long iova = 0; + size_t total_len = 0; + unsigned long iova_sg; + phys_addr_t pa_sg; + bool map = true; + size_t sg_len; + int prot; + int ret; + int i; + + prot = IOMMU_READ | IOMMU_WRITE; + + if (dma_coherent) + prot |= IOMMU_CACHE; + + switch (mtype) { + case MEM_EVENT_RING: + iova = IOVA_BASE; + /* er already mapped */ + if (uaudio_qdev->er_mapped) + map = false; + break; + case MEM_XFER_RING: + iova = uaudio_get_iova(&uaudio_qdev->curr_xfer_ring_iova, + &uaudio_qdev->xfer_ring_iova_size, + &uaudio_qdev->xfer_ring_list, size); + break; + case MEM_XFER_BUF: + iova = uaudio_get_iova(&uaudio_qdev->curr_xfer_buf_iova, + &uaudio_qdev->xfer_buf_iova_size, + &uaudio_qdev->xfer_buf_list, size); + break; + default: + dev_err(uaudio_qdev->data->dev, "unknown mem type %d\n", mtype); + } + + if (!iova || !map) + goto done; + + if (!sgt) + goto skip_sgt_map; + + iova_sg = iova; + for_each_sg(sgt->sgl, sg, sgt->nents, i) { + sg_len = PAGE_ALIGN(sg->offset + sg->length); + pa_sg = page_to_phys(sg_page(sg)); + ret = iommu_map(uaudio_qdev->data->domain, iova_sg, pa_sg, sg_len, + prot, GFP_KERNEL); + if (ret) { + uaudio_iommu_unmap(MEM_XFER_BUF, iova, size, total_len); + iova = 0; + goto done; + } + + iova_sg += sg_len; + total_len += sg_len; + } + + if (size != total_len) { + uaudio_iommu_unmap(MEM_XFER_BUF, iova, size, total_len); + iova = 0; + } + return iova; + +skip_sgt_map: + iommu_map(uaudio_qdev->data->domain, iova, pa, size, prot, GFP_KERNEL); + +done: + return iova; +} + +/* looks up alias, if any, for controller DT node and returns the index */ +static int usb_get_controller_id(struct usb_device *udev) +{ + if (udev->bus->sysdev && udev->bus->sysdev->of_node) + return of_alias_get_id(udev->bus->sysdev->of_node, "usb"); + + return -ENODEV; +} + +/** + * uaudio_dev_intf_cleanup() - cleanup transfer resources + * @udev: usb device + * @info: usb offloading interface + * + * Cleans up the transfer ring related resources which are assigned per + * endpoint from XHCI. This is invoked when the USB endpoints are no + * longer in use by the adsp. + * + */ +static void uaudio_dev_intf_cleanup(struct usb_device *udev, struct intf_info *info) +{ + uaudio_iommu_unmap(MEM_XFER_RING, info->data_xfer_ring_va, + info->data_xfer_ring_size, info->data_xfer_ring_size); + info->data_xfer_ring_va = 0; + info->data_xfer_ring_size = 0; + + uaudio_iommu_unmap(MEM_XFER_RING, info->sync_xfer_ring_va, + info->sync_xfer_ring_size, info->sync_xfer_ring_size); + info->sync_xfer_ring_va = 0; + info->sync_xfer_ring_size = 0; + + uaudio_iommu_unmap(MEM_XFER_BUF, info->xfer_buf_iova, info->xfer_buf_size, + info->xfer_buf_size); + info->xfer_buf_iova = 0; + + usb_free_coherent(udev, info->xfer_buf_size, info->xfer_buf_cpu, + info->xfer_buf_dma); + info->xfer_buf_size = 0; + info->xfer_buf_cpu = NULL; + info->xfer_buf_dma = 0; + + info->in_use = false; +} + +/** + * uaudio_event_ring_cleanup_free() - cleanup secondary event ring + * @dev: usb offload device + * + * Cleans up the secondary event ring that was requested. This will + * occur when the adsp is no longer transferring data on the USB bus + * across all endpoints. + * + */ +static void uaudio_event_ring_cleanup_free(struct uaudio_dev *dev) +{ + clear_bit(dev->chip->card->number, &uaudio_qdev->card_slot); + /* all audio devices are disconnected */ + if (!uaudio_qdev->card_slot) { + uaudio_iommu_unmap(MEM_EVENT_RING, IOVA_BASE, PAGE_SIZE, + PAGE_SIZE); + xhci_sideband_remove_interrupter(uadev[dev->chip->card->number].sb); + } +} + +static void uaudio_dev_cleanup(struct uaudio_dev *dev) +{ + int if_idx; + + if (!dev->udev) + return; + + /* free xfer buffer and unmap xfer ring and buf per interface */ + for (if_idx = 0; if_idx < dev->num_intf; if_idx++) { + if (!dev->info[if_idx].in_use) + continue; + uaudio_dev_intf_cleanup(dev->udev, &dev->info[if_idx]); + dev_dbg(uaudio_qdev->data->dev, + "release resources: intf# %d card# %d\n", + dev->info[if_idx].intf_num, dev->chip->card->number); + } + + dev->num_intf = 0; + + /* free interface info */ + kfree(dev->info); + dev->info = NULL; + uaudio_event_ring_cleanup_free(dev); + dev->udev = NULL; +} + +/** + * disable_audio_stream() - disable usb snd endpoints + * @subs: usb substream + * + * Closes the USB SND endpoints associated with the current audio stream + * used. This will decrement the USB SND endpoint opened reference count. + * + */ +static void disable_audio_stream(struct snd_usb_substream *subs) +{ + struct snd_usb_audio *chip = subs->stream->chip; + + snd_usb_hw_free(subs); + snd_usb_autosuspend(chip); +} + +/* QMI service disconnect handlers */ +static void qmi_stop_session(void) +{ + struct snd_usb_substream *subs; + struct usb_host_endpoint *ep; + struct snd_usb_audio *chip; + struct intf_info *info; + int pcm_card_num; + int if_idx; + int idx; + + mutex_lock(&qdev_mutex); + /* find all active intf for set alt 0 and cleanup usb audio dev */ + for (idx = 0; idx < SNDRV_CARDS; idx++) { + if (!atomic_read(&uadev[idx].in_use)) + continue; + + chip = uadev[idx].chip; + for (if_idx = 0; if_idx < uadev[idx].num_intf; if_idx++) { + if (!uadev[idx].info || !uadev[idx].info[if_idx].in_use) + continue; + info = &uadev[idx].info[if_idx]; + pcm_card_num = info->pcm_card_num; + subs = find_substream(pcm_card_num, info->pcm_dev_num, + info->direction); + if (!subs || !chip || atomic_read(&chip->shutdown)) { + dev_err(&uadev[idx].udev->dev, + "no sub for c#%u dev#%u dir%u\n", + info->pcm_card_num, + info->pcm_dev_num, + info->direction); + continue; + } + /* Release XHCI endpoints */ + if (info->data_ep_pipe) + ep = usb_pipe_endpoint(uadev[pcm_card_num].udev, + info->data_ep_pipe); + xhci_sideband_remove_endpoint(uadev[pcm_card_num].sb, ep); + + if (info->sync_ep_pipe) + ep = usb_pipe_endpoint(uadev[pcm_card_num].udev, + info->sync_ep_pipe); + xhci_sideband_remove_endpoint(uadev[pcm_card_num].sb, ep); + + disable_audio_stream(subs); + } + atomic_set(&uadev[idx].in_use, 0); + mutex_lock(&chip->mutex); + uaudio_dev_cleanup(&uadev[idx]); + mutex_unlock(&chip->mutex); + } + mutex_unlock(&qdev_mutex); +} + +/** + * uaudio_sideband_notifier() - xHCI sideband event handler + * @intf: USB interface handle + * @evt: xHCI sideband event type + * + * This callback is executed when the xHCI sideband encounters a sequence + * that requires the sideband clients to take action. An example, is when + * xHCI frees the transfer ring, so the client has to ensure that the + * offload path is halted. + * + */ +static int uaudio_sideband_notifier(struct usb_interface *intf, + struct xhci_sideband_event *evt) +{ + struct snd_usb_audio *chip; + struct uaudio_dev *dev; + int if_idx; + + if (!intf || !evt) + return 0; + + chip = usb_get_intfdata(intf); + + mutex_lock(&qdev_mutex); + mutex_lock(&chip->mutex); + + dev = &uadev[chip->card->number]; + + if (evt->type == XHCI_SIDEBAND_XFER_RING_FREE) { + unsigned int *ep = (unsigned int *) evt->evt_data; + + for (if_idx = 0; if_idx < dev->num_intf; if_idx++) { + if (dev->info[if_idx].data_ep_idx == *ep || + dev->info[if_idx].sync_ep_idx == *ep) + uaudio_send_disconnect_ind(chip); + } + } + + mutex_unlock(&chip->mutex); + mutex_unlock(&qdev_mutex); + + return 0; +} + +/** + * qmi_bye_cb() - qmi bye message callback + * @handle: QMI handle + * @node: id of the dying node + * + * This callback is invoked when the QMI bye control message is received + * from the QMI client. Handle the message accordingly by ensuring that + * the USB offload path is disabled and cleaned up. At this point, ADSP + * is not utilizing the USB bus. + * + */ +static void qmi_bye_cb(struct qmi_handle *handle, unsigned int node) +{ + struct uaudio_qmi_svc *svc = uaudio_svc; + + if (svc->uaudio_svc_hdl != handle) + return; + + if (svc->client_connected && svc->client_sq.sq_node == node) { + qmi_stop_session(); + + /* clear QMI client parameters to block further QMI messages */ + svc->client_sq.sq_node = 0; + svc->client_sq.sq_port = 0; + svc->client_sq.sq_family = 0; + svc->client_connected = false; + } +} + +/** + * qmi_svc_disconnect_cb() - qmi client disconnected + * @handle: QMI handle + * @node: id of the dying node + * @port: port of the dying client + * + * Invoked when the remote QMI client is disconnected. Handle this event + * the same way as when the QMI bye message is received. This will ensure + * the USB offloading path is disabled and cleaned up. + * + */ +static void qmi_svc_disconnect_cb(struct qmi_handle *handle, + unsigned int node, unsigned int port) +{ + struct uaudio_qmi_svc *svc; + + if (!uaudio_svc) + return; + + svc = uaudio_svc; + if (svc->uaudio_svc_hdl != handle) + return; + + if (svc->client_connected && svc->client_sq.sq_node == node && + svc->client_sq.sq_port == port) { + qmi_stop_session(); + + /* clear QMI client parameters to block further QMI messages */ + svc->client_sq.sq_node = 0; + svc->client_sq.sq_port = 0; + svc->client_sq.sq_family = 0; + svc->client_connected = false; + } +} + +/* QMI client callback handlers from QMI interface */ +static struct qmi_ops uaudio_svc_ops_options = { + .bye = qmi_bye_cb, + .del_client = qmi_svc_disconnect_cb, +}; + +/* kref release callback when all streams are disabled */ +static void uaudio_dev_release(struct kref *kref) +{ + struct uaudio_dev *dev = container_of(kref, struct uaudio_dev, kref); + + uaudio_event_ring_cleanup_free(dev); + atomic_set(&dev->in_use, 0); + wake_up(&dev->disconnect_wq); +} + +/** + * enable_audio_stream() - enable usb snd endpoints + * @subs: usb substream + * @pcm_format: pcm format requested + * @channels: number of channels + * @cur_rate: sample rate + * @datainterval: interval + * + * Opens all USB SND endpoints used for the data interface. This will increment + * the USB SND endpoint's opened count. Requests to keep the interface resumed + * until the audio stream is stopped. Will issue the USB set interface control + * message to enable the data interface. + * + */ +static int enable_audio_stream(struct snd_usb_substream *subs, + snd_pcm_format_t pcm_format, + unsigned int channels, unsigned int cur_rate, + int datainterval) +{ + struct snd_pcm_hw_params params; + struct snd_usb_audio *chip; + struct snd_interval *i; + struct snd_mask *m; + int ret; + + chip = subs->stream->chip; + + _snd_pcm_hw_params_any(¶ms); + + m = hw_param_mask(¶ms, SNDRV_PCM_HW_PARAM_FORMAT); + snd_mask_leave(m, pcm_format); + + i = hw_param_interval(¶ms, SNDRV_PCM_HW_PARAM_CHANNELS); + snd_interval_setinteger(i); + i->min = channels; + i->max = channels; + + i = hw_param_interval(¶ms, SNDRV_PCM_HW_PARAM_RATE); + snd_interval_setinteger(i); + i->min = cur_rate; + i->max = cur_rate; + + pm_runtime_barrier(&chip->intf[0]->dev); + snd_usb_autoresume(chip); + + ret = snd_usb_hw_params(subs, ¶ms); + if (ret < 0) + goto put_suspend; + + if (!atomic_read(&chip->shutdown)) { + ret = snd_usb_lock_shutdown(chip); + if (ret < 0) + goto detach_ep; + + if (subs->sync_endpoint) { + ret = snd_usb_endpoint_prepare(chip, subs->sync_endpoint); + if (ret < 0) + goto unlock; + } + + ret = snd_usb_endpoint_prepare(chip, subs->data_endpoint); + if (ret < 0) + goto unlock; + + snd_usb_unlock_shutdown(chip); + + dev_dbg(uaudio_qdev->data->dev, + "selected %s iface:%d altsetting:%d datainterval:%dus\n", + subs->direction ? "capture" : "playback", + subs->cur_audiofmt->iface, subs->cur_audiofmt->altsetting, + (1 << subs->cur_audiofmt->datainterval) * + (subs->dev->speed >= USB_SPEED_HIGH ? + BUS_INTERVAL_HIGHSPEED_AND_ABOVE : + BUS_INTERVAL_FULL_SPEED)); + } + + return 0; + +unlock: + snd_usb_unlock_shutdown(chip); + +detach_ep: + snd_usb_hw_free(subs); + +put_suspend: + snd_usb_autosuspend(chip); + + return ret; +} + +/** + * uaudio_transfer_buffer_setup() - fetch and populate xfer buffer params + * @subs: usb substream + * @xfer_buf: xfer buf to be allocated + * @xfer_buf_len: size of allocation + * @mem_info: QMI response info + * + * Allocates and maps the transfer buffers that will be utilized by the + * audio DSP. Will populate the information in the QMI response that is + * sent back to the stream enable request. + * + */ +static int uaudio_transfer_buffer_setup(struct snd_usb_substream *subs, + void **xfer_buf_cpu, u32 xfer_buf_len, + struct mem_info_v01 *mem_info) +{ + struct sg_table xfer_buf_sgt; + dma_addr_t xfer_buf_dma; + void *xfer_buf; + phys_addr_t xfer_buf_pa; + u32 len = xfer_buf_len; + bool dma_coherent; + dma_addr_t xfer_buf_dma_sysdev; + u32 remainder; + u32 mult; + int ret; + + dma_coherent = dev_is_dma_coherent(subs->dev->bus->sysdev); + + /* xfer buffer, multiple of 4K only */ + if (!len) + len = PAGE_SIZE; + + mult = len / PAGE_SIZE; + remainder = len % PAGE_SIZE; + len = mult * PAGE_SIZE; + len += remainder ? PAGE_SIZE : 0; + + if (len > MAX_XFER_BUFF_LEN) { + dev_err(uaudio_qdev->data->dev, + "req buf len %d > max buf len %lu, setting %lu\n", + len, MAX_XFER_BUFF_LEN, MAX_XFER_BUFF_LEN); + len = MAX_XFER_BUFF_LEN; + } + + /* get buffer mapped into subs->dev */ + xfer_buf = usb_alloc_coherent(subs->dev, len, GFP_KERNEL, &xfer_buf_dma); + if (!xfer_buf) + return -ENOMEM; + + /* Remapping is not possible if xfer_buf is outside of linear map */ + xfer_buf_pa = virt_to_phys(xfer_buf); + if (WARN_ON(!page_is_ram(PFN_DOWN(xfer_buf_pa)))) { + ret = -ENXIO; + goto unmap_sync; + } + dma_get_sgtable(subs->dev->bus->sysdev, &xfer_buf_sgt, xfer_buf, + xfer_buf_dma, len); + + /* map the physical buffer into sysdev as well */ + xfer_buf_dma_sysdev = uaudio_iommu_map(MEM_XFER_BUF, dma_coherent, + xfer_buf_pa, len, &xfer_buf_sgt); + if (!xfer_buf_dma_sysdev) { + ret = -ENOMEM; + goto unmap_sync; + } + + mem_info->dma = xfer_buf_dma; + mem_info->size = len; + mem_info->iova = PREPEND_SID_TO_IOVA(xfer_buf_dma_sysdev, uaudio_qdev->data->sid); + *xfer_buf_cpu = xfer_buf; + sg_free_table(&xfer_buf_sgt); + + return 0; + +unmap_sync: + usb_free_coherent(subs->dev, len, xfer_buf, xfer_buf_dma); + + return ret; +} + +/** + * uaudio_endpoint_setup() - fetch and populate endpoint params + * @subs: usb substream + * @endpoint: usb endpoint to add + * @card_num: uadev index + * @mem_info: QMI response info + * @ep_desc: QMI ep desc response field + * + * Initialize the USB endpoint being used for a particular USB + * stream. Will request XHCI sec intr to reserve the EP for + * offloading as well as populating the QMI response with the + * transfer ring parameters. + * + */ +static phys_addr_t +uaudio_endpoint_setup(struct snd_usb_substream *subs, + struct snd_usb_endpoint *endpoint, int card_num, + struct mem_info_v01 *mem_info, + struct usb_endpoint_descriptor_v01 *ep_desc) +{ + struct usb_host_endpoint *ep; + phys_addr_t tr_pa = 0; + struct sg_table *sgt; + bool dma_coherent; + unsigned long iova; + struct page *pg; + int ret = -ENODEV; + + dma_coherent = dev_is_dma_coherent(subs->dev->bus->sysdev); + + ep = usb_pipe_endpoint(subs->dev, endpoint->pipe); + if (!ep) { + dev_err(uaudio_qdev->data->dev, "data ep # %d context is null\n", + subs->data_endpoint->ep_num); + goto exit; + } + + memcpy(ep_desc, &ep->desc, sizeof(ep->desc)); + + ret = xhci_sideband_add_endpoint(uadev[card_num].sb, ep); + if (ret < 0) { + dev_err(&subs->dev->dev, + "failed to add data ep to sec intr\n"); + ret = -ENODEV; + goto exit; + } + + sgt = xhci_sideband_get_endpoint_buffer(uadev[card_num].sb, ep); + if (!sgt) { + dev_err(&subs->dev->dev, + "failed to get data ep ring address\n"); + ret = -ENODEV; + goto remove_ep; + } + + pg = sg_page(sgt->sgl); + tr_pa = page_to_phys(pg); + mem_info->dma = sg_dma_address(sgt->sgl); + sg_free_table(sgt); + + /* data transfer ring */ + iova = uaudio_iommu_map(MEM_XFER_RING, dma_coherent, tr_pa, + PAGE_SIZE, NULL); + if (!iova) { + ret = -ENOMEM; + goto clear_pa; + } + + mem_info->iova = PREPEND_SID_TO_IOVA(iova, uaudio_qdev->data->sid); + mem_info->size = PAGE_SIZE; + + return 0; + +clear_pa: + mem_info->dma = 0; +remove_ep: + xhci_sideband_remove_endpoint(uadev[card_num].sb, ep); +exit: + return ret; +} + +/** + * uaudio_event_ring_setup() - fetch and populate event ring params + * @subs: usb substream + * @card_num: uadev index + * @mem_info: QMI response info + * + * Register secondary interrupter to XHCI and fetch the event buffer info + * and populate the information into the QMI response. + * + */ +static int uaudio_event_ring_setup(struct snd_usb_substream *subs, + int card_num, struct mem_info_v01 *mem_info) +{ + struct sg_table *sgt; + phys_addr_t er_pa; + bool dma_coherent; + unsigned long iova; + struct page *pg; + int ret; + + dma_coherent = dev_is_dma_coherent(subs->dev->bus->sysdev); + er_pa = 0; + + /* event ring */ + ret = xhci_sideband_create_interrupter(uadev[card_num].sb, 1, false, + 0, uaudio_qdev->data->intr_num); + if (ret < 0) { + dev_err(&subs->dev->dev, "failed to fetch interrupter\n"); + goto exit; + } + + sgt = xhci_sideband_get_event_buffer(uadev[card_num].sb); + if (!sgt) { + dev_err(&subs->dev->dev, + "failed to get event ring address\n"); + ret = -ENODEV; + goto remove_interrupter; + } + + pg = sg_page(sgt->sgl); + er_pa = page_to_phys(pg); + mem_info->dma = sg_dma_address(sgt->sgl); + sg_free_table(sgt); + + iova = uaudio_iommu_map(MEM_EVENT_RING, dma_coherent, er_pa, + PAGE_SIZE, NULL); + if (!iova) { + ret = -ENOMEM; + goto clear_pa; + } + + mem_info->iova = PREPEND_SID_TO_IOVA(iova, uaudio_qdev->data->sid); + mem_info->size = PAGE_SIZE; + + return 0; + +clear_pa: + mem_info->dma = 0; +remove_interrupter: + xhci_sideband_remove_interrupter(uadev[card_num].sb); +exit: + return ret; +} + +/** + * uaudio_populate_uac_desc() - parse UAC parameters and populate QMI resp + * @subs: usb substream + * @resp: QMI response buffer + * + * Parses information specified within UAC descriptors which explain the + * sample parameters that the device expects. This information is populated + * to the QMI response sent back to the audio DSP. + * + */ +static int uaudio_populate_uac_desc(struct snd_usb_substream *subs, + struct qmi_uaudio_stream_resp_msg_v01 *resp) +{ + struct usb_interface_descriptor *altsd; + struct usb_host_interface *alts; + struct usb_interface *iface; + int protocol; + + iface = usb_ifnum_to_if(subs->dev, subs->cur_audiofmt->iface); + if (!iface) { + dev_err(&subs->dev->dev, "interface # %d does not exist\n", + subs->cur_audiofmt->iface); + return -ENODEV; + } + + alts = &iface->altsetting[subs->cur_audiofmt->altset_idx]; + altsd = get_iface_desc(alts); + protocol = altsd->bInterfaceProtocol; + + if (protocol == UAC_VERSION_1) { + struct uac1_as_header_descriptor *as; + + as = snd_usb_find_csint_desc(alts->extra, alts->extralen, NULL, + UAC_AS_GENERAL); + if (!as) { + dev_err(&subs->dev->dev, + "%u:%d : no UAC_AS_GENERAL desc\n", + subs->cur_audiofmt->iface, + subs->cur_audiofmt->altset_idx); + return -ENODEV; + } + + resp->data_path_delay = as->bDelay; + resp->data_path_delay_valid = 1; + + resp->usb_audio_subslot_size = subs->cur_audiofmt->fmt_sz; + resp->usb_audio_subslot_size_valid = 1; + + resp->usb_audio_spec_revision = le16_to_cpu((__force __le16)0x0100); + resp->usb_audio_spec_revision_valid = 1; + } else if (protocol == UAC_VERSION_2) { + resp->usb_audio_subslot_size = subs->cur_audiofmt->fmt_sz; + resp->usb_audio_subslot_size_valid = 1; + + resp->usb_audio_spec_revision = le16_to_cpu((__force __le16)0x0200); + resp->usb_audio_spec_revision_valid = 1; + } else if (protocol == UAC_VERSION_3) { + if (iface->intf_assoc->bFunctionSubClass == + UAC3_FUNCTION_SUBCLASS_FULL_ADC_3_0) { + dev_err(&subs->dev->dev, + "full adc is not supported\n"); + return -EINVAL; + } + + switch (le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize)) { + case UAC3_BADD_EP_MAXPSIZE_SYNC_MONO_16: + case UAC3_BADD_EP_MAXPSIZE_SYNC_STEREO_16: + case UAC3_BADD_EP_MAXPSIZE_ASYNC_MONO_16: + case UAC3_BADD_EP_MAXPSIZE_ASYNC_STEREO_16: { + resp->usb_audio_subslot_size = 0x2; + break; + } + + case UAC3_BADD_EP_MAXPSIZE_SYNC_MONO_24: + case UAC3_BADD_EP_MAXPSIZE_SYNC_STEREO_24: + case UAC3_BADD_EP_MAXPSIZE_ASYNC_MONO_24: + case UAC3_BADD_EP_MAXPSIZE_ASYNC_STEREO_24: { + resp->usb_audio_subslot_size = 0x3; + break; + } + + default: + dev_err(&subs->dev->dev, + "%d: %u: Invalid wMaxPacketSize\n", + subs->cur_audiofmt->iface, + subs->cur_audiofmt->altset_idx); + return -EINVAL; + } + resp->usb_audio_subslot_size_valid = 1; + } else { + dev_err(&subs->dev->dev, "unknown protocol version %x\n", + protocol); + return -ENODEV; + } + + memcpy(&resp->std_as_opr_intf_desc, &alts->desc, sizeof(alts->desc)); + + return 0; +} + +/** + * prepare_qmi_response() - prepare stream enable response + * @subs: usb substream + * @req_msg: QMI request message + * @resp: QMI response buffer + * @info_idx: usb interface array index + * + * Prepares the QMI response for a USB QMI stream enable request. Will parse + * out the parameters within the stream enable request, in order to match + * requested audio profile to the ones exposed by the USB device connected. + * + * In addition, will fetch the XHCI transfer resources needed for the handoff to + * happen. This includes, transfer ring and buffer addresses and secondary event + * ring address. These parameters will be communicated as part of the USB QMI + * stream enable response. + * + */ +static int prepare_qmi_response(struct snd_usb_substream *subs, + struct qmi_uaudio_stream_req_msg_v01 *req_msg, + struct qmi_uaudio_stream_resp_msg_v01 *resp, + int info_idx) +{ + struct q6usb_offload *data; + int pcm_dev_num; + int card_num; + void *xfer_buf_cpu; + int ret; + + pcm_dev_num = (req_msg->usb_token & QMI_STREAM_REQ_DEV_NUM_MASK) >> 8; + card_num = (req_msg->usb_token & QMI_STREAM_REQ_CARD_NUM_MASK) >> 16; + + if (!uadev[card_num].ctrl_intf) { + dev_err(&subs->dev->dev, "audio ctrl intf info not cached\n"); + return -ENODEV; + } + + ret = uaudio_populate_uac_desc(subs, resp); + if (ret < 0) + return ret; + + resp->slot_id = subs->dev->slot_id; + resp->slot_id_valid = 1; + + data = snd_soc_usb_find_priv_data(uaudio_qdev->auxdev->dev.parent); + if (!data) { + dev_err(&subs->dev->dev, "No private data found\n"); + return -ENODEV; + } + + uaudio_qdev->data = data; + + resp->std_as_opr_intf_desc_valid = 1; + ret = uaudio_endpoint_setup(subs, subs->data_endpoint, card_num, + &resp->xhci_mem_info.tr_data, + &resp->std_as_data_ep_desc); + if (ret < 0) + return ret; + + resp->std_as_data_ep_desc_valid = 1; + + if (subs->sync_endpoint) { + ret = uaudio_endpoint_setup(subs, subs->sync_endpoint, card_num, + &resp->xhci_mem_info.tr_sync, + &resp->std_as_sync_ep_desc); + if (ret < 0) + goto drop_data_ep; + + resp->std_as_sync_ep_desc_valid = 1; + } + + resp->interrupter_num_valid = 1; + resp->controller_num_valid = 0; + ret = usb_get_controller_id(subs->dev); + if (ret >= 0) { + resp->controller_num = ret; + resp->controller_num_valid = 1; + } + + /* event ring */ + ret = uaudio_event_ring_setup(subs, card_num, + &resp->xhci_mem_info.evt_ring); + if (ret < 0) + goto drop_sync_ep; + + uaudio_qdev->er_mapped = true; + resp->interrupter_num = xhci_sideband_interrupter_id(uadev[card_num].sb); + + resp->speed_info = get_speed_info(subs->dev->speed); + if (resp->speed_info == USB_QMI_DEVICE_SPEED_INVALID_V01) { + ret = -ENODEV; + goto free_sec_ring; + } + + resp->speed_info_valid = 1; + + ret = uaudio_transfer_buffer_setup(subs, &xfer_buf_cpu, req_msg->xfer_buff_size, + &resp->xhci_mem_info.xfer_buff); + if (ret < 0) { + ret = -ENOMEM; + goto free_sec_ring; + } + + resp->xhci_mem_info_valid = 1; + + if (!atomic_read(&uadev[card_num].in_use)) { + kref_init(&uadev[card_num].kref); + init_waitqueue_head(&uadev[card_num].disconnect_wq); + uadev[card_num].num_intf = + subs->dev->config->desc.bNumInterfaces; + uadev[card_num].info = kcalloc(uadev[card_num].num_intf, + sizeof(struct intf_info), + GFP_KERNEL); + if (!uadev[card_num].info) { + ret = -ENOMEM; + goto unmap_er; + } + uadev[card_num].udev = subs->dev; + atomic_set(&uadev[card_num].in_use, 1); + } else { + kref_get(&uadev[card_num].kref); + } + + uadev[card_num].usb_core_id = resp->controller_num; + + /* cache intf specific info to use it for unmap and free xfer buf */ + uadev[card_num].info[info_idx].data_xfer_ring_va = + IOVA_MASK(resp->xhci_mem_info.tr_data.iova); + uadev[card_num].info[info_idx].data_xfer_ring_size = PAGE_SIZE; + uadev[card_num].info[info_idx].sync_xfer_ring_va = + IOVA_MASK(resp->xhci_mem_info.tr_sync.iova); + uadev[card_num].info[info_idx].sync_xfer_ring_size = PAGE_SIZE; + uadev[card_num].info[info_idx].xfer_buf_iova = + IOVA_MASK(resp->xhci_mem_info.xfer_buff.iova); + uadev[card_num].info[info_idx].xfer_buf_dma = + resp->xhci_mem_info.xfer_buff.dma; + uadev[card_num].info[info_idx].xfer_buf_size = + resp->xhci_mem_info.xfer_buff.size; + uadev[card_num].info[info_idx].data_ep_pipe = subs->data_endpoint ? + subs->data_endpoint->pipe : 0; + uadev[card_num].info[info_idx].sync_ep_pipe = subs->sync_endpoint ? + subs->sync_endpoint->pipe : 0; + uadev[card_num].info[info_idx].data_ep_idx = subs->data_endpoint ? + subs->data_endpoint->ep_num : 0; + uadev[card_num].info[info_idx].sync_ep_idx = subs->sync_endpoint ? + subs->sync_endpoint->ep_num : 0; + uadev[card_num].info[info_idx].xfer_buf_cpu = xfer_buf_cpu; + uadev[card_num].info[info_idx].pcm_card_num = card_num; + uadev[card_num].info[info_idx].pcm_dev_num = pcm_dev_num; + uadev[card_num].info[info_idx].direction = subs->direction; + uadev[card_num].info[info_idx].intf_num = subs->cur_audiofmt->iface; + uadev[card_num].info[info_idx].in_use = true; + + set_bit(card_num, &uaudio_qdev->card_slot); + + return 0; + +unmap_er: + uaudio_iommu_unmap(MEM_EVENT_RING, IOVA_BASE, PAGE_SIZE, PAGE_SIZE); +free_sec_ring: + xhci_sideband_remove_interrupter(uadev[card_num].sb); +drop_sync_ep: + if (subs->sync_endpoint) { + uaudio_iommu_unmap(MEM_XFER_RING, + IOVA_MASK(resp->xhci_mem_info.tr_sync.iova), + PAGE_SIZE, PAGE_SIZE); + xhci_sideband_remove_endpoint(uadev[card_num].sb, + usb_pipe_endpoint(subs->dev, subs->sync_endpoint->pipe)); + } +drop_data_ep: + uaudio_iommu_unmap(MEM_XFER_RING, IOVA_MASK(resp->xhci_mem_info.tr_data.iova), + PAGE_SIZE, PAGE_SIZE); + xhci_sideband_remove_endpoint(uadev[card_num].sb, + usb_pipe_endpoint(subs->dev, subs->data_endpoint->pipe)); + + return ret; +} + +/** + * handle_uaudio_stream_req() - handle stream enable/disable request + * @handle: QMI client handle + * @sq: qrtr socket + * @txn: QMI transaction context + * @decoded_msg: decoded QMI message + * + * Main handler for the QMI stream enable/disable requests. This executes the + * corresponding enable/disable stream apis, respectively. + * + */ +static void handle_uaudio_stream_req(struct qmi_handle *handle, + struct sockaddr_qrtr *sq, + struct qmi_txn *txn, + const void *decoded_msg) +{ + struct qmi_uaudio_stream_req_msg_v01 *req_msg; + struct qmi_uaudio_stream_resp_msg_v01 resp = {{0}, 0}; + struct uaudio_qmi_svc *svc = uaudio_svc; + struct snd_usb_audio *chip = NULL; + struct snd_usb_substream *subs; + struct usb_host_endpoint *ep; + int datainterval = -EINVAL; + int info_idx = -EINVAL; + struct intf_info *info; + u8 pcm_card_num; + u8 pcm_dev_num; + u8 direction; + int ret = 0; + + if (!svc->client_connected) { + svc->client_sq = *sq; + svc->client_connected = true; + } + + mutex_lock(&qdev_mutex); + req_msg = (struct qmi_uaudio_stream_req_msg_v01 *)decoded_msg; + if (!req_msg->audio_format_valid || !req_msg->bit_rate_valid || + !req_msg->number_of_ch_valid || !req_msg->xfer_buff_size_valid) { + ret = -EINVAL; + goto response; + } + + if (!uaudio_qdev) { + ret = -EINVAL; + goto response; + } + + direction = (req_msg->usb_token & QMI_STREAM_REQ_DIRECTION); + pcm_dev_num = (req_msg->usb_token & QMI_STREAM_REQ_DEV_NUM_MASK) >> 8; + pcm_card_num = (req_msg->usb_token & QMI_STREAM_REQ_CARD_NUM_MASK) >> 16; + if (pcm_card_num >= SNDRV_CARDS) { + ret = -EINVAL; + goto response; + } + + if (req_msg->audio_format > USB_QMI_PCM_FORMAT_U32_BE) { + ret = -EINVAL; + goto response; + } + + subs = find_substream(pcm_card_num, pcm_dev_num, direction); + chip = uadev[pcm_card_num].chip; + if (!subs || !chip || atomic_read(&chip->shutdown)) { + ret = -ENODEV; + goto response; + } + + info_idx = info_idx_from_ifnum(pcm_card_num, subs->cur_audiofmt ? + subs->cur_audiofmt->iface : -1, req_msg->enable); + if (atomic_read(&chip->shutdown) || !subs->stream || !subs->stream->pcm || + !subs->stream->chip) { + ret = -ENODEV; + goto response; + } + + mutex_lock(&chip->mutex); + if (req_msg->enable) { + if (info_idx < 0 || chip->system_suspend || subs->opened) { + ret = -EBUSY; + mutex_unlock(&chip->mutex); + + goto response; + } + subs->opened = 1; + } + mutex_unlock(&chip->mutex); + + if (req_msg->service_interval_valid) { + ret = get_data_interval_from_si(subs, + req_msg->service_interval); + if (ret == -EINVAL) + goto response; + + datainterval = ret; + } + + uadev[pcm_card_num].ctrl_intf = chip->ctrl_intf; + + if (req_msg->enable) { + ret = enable_audio_stream(subs, + map_pcm_format(req_msg->audio_format), + req_msg->number_of_ch, req_msg->bit_rate, + datainterval); + + if (!ret) + ret = prepare_qmi_response(subs, req_msg, &resp, + info_idx); + if (ret < 0) { + mutex_lock(&chip->mutex); + subs->opened = 0; + mutex_unlock(&chip->mutex); + } + } else { + info = &uadev[pcm_card_num].info[info_idx]; + if (info->data_ep_pipe) { + ep = usb_pipe_endpoint(uadev[pcm_card_num].udev, + info->data_ep_pipe); + if (ep) { + xhci_sideband_stop_endpoint(uadev[pcm_card_num].sb, + ep); + xhci_sideband_remove_endpoint(uadev[pcm_card_num].sb, + ep); + } + + info->data_ep_pipe = 0; + } + + if (info->sync_ep_pipe) { + ep = usb_pipe_endpoint(uadev[pcm_card_num].udev, + info->sync_ep_pipe); + if (ep) { + xhci_sideband_stop_endpoint(uadev[pcm_card_num].sb, + ep); + xhci_sideband_remove_endpoint(uadev[pcm_card_num].sb, + ep); + } + + info->sync_ep_pipe = 0; + } + + disable_audio_stream(subs); + mutex_lock(&chip->mutex); + subs->opened = 0; + mutex_unlock(&chip->mutex); + } + +response: + if (!req_msg->enable && ret != -EINVAL && ret != -ENODEV) { + mutex_lock(&chip->mutex); + if (info_idx >= 0) { + info = &uadev[pcm_card_num].info[info_idx]; + uaudio_dev_intf_cleanup(uadev[pcm_card_num].udev, + info); + } + if (atomic_read(&uadev[pcm_card_num].in_use)) + kref_put(&uadev[pcm_card_num].kref, + uaudio_dev_release); + mutex_unlock(&chip->mutex); + } + mutex_unlock(&qdev_mutex); + + resp.usb_token = req_msg->usb_token; + resp.usb_token_valid = 1; + resp.internal_status = ret; + resp.internal_status_valid = 1; + resp.status = ret ? USB_QMI_STREAM_REQ_FAILURE_V01 : ret; + resp.status_valid = 1; + ret = qmi_send_response(svc->uaudio_svc_hdl, sq, txn, + QMI_UAUDIO_STREAM_RESP_V01, + QMI_UAUDIO_STREAM_RESP_MSG_V01_MAX_MSG_LEN, + qmi_uaudio_stream_resp_msg_v01_ei, &resp); +} + +static struct qmi_msg_handler uaudio_stream_req_handlers = { + .type = QMI_REQUEST, + .msg_id = QMI_UAUDIO_STREAM_REQ_V01, + .ei = qmi_uaudio_stream_req_msg_v01_ei, + .decoded_size = QMI_UAUDIO_STREAM_REQ_MSG_V01_MAX_MSG_LEN, + .fn = handle_uaudio_stream_req, +}; + +/** + * qc_usb_audio_offload_init_qmi_dev() - initializes qmi dev + * + * Initializes the USB qdev, which is used to carry information pertaining to + * the offloading resources. This device is freed only when there are no longer + * any offloading candidates. (i.e, when all audio devices are disconnected) + * + */ +static int qc_usb_audio_offload_init_qmi_dev(void) +{ + uaudio_qdev = kzalloc(sizeof(*uaudio_qdev), GFP_KERNEL); + if (!uaudio_qdev) + return -ENOMEM; + + /* initialize xfer ring and xfer buf iova list */ + INIT_LIST_HEAD(&uaudio_qdev->xfer_ring_list); + uaudio_qdev->curr_xfer_ring_iova = IOVA_XFER_RING_BASE; + uaudio_qdev->xfer_ring_iova_size = + IOVA_XFER_RING_MAX - IOVA_XFER_RING_BASE; + + INIT_LIST_HEAD(&uaudio_qdev->xfer_buf_list); + uaudio_qdev->curr_xfer_buf_iova = IOVA_XFER_BUF_BASE; + uaudio_qdev->xfer_buf_iova_size = + IOVA_XFER_BUF_MAX - IOVA_XFER_BUF_BASE; + + return 0; +} + +/* Populates ppcm_idx array with supported PCM indexes */ +static int qc_usb_audio_offload_fill_avail_pcms(struct snd_usb_audio *chip, + struct snd_soc_usb_device *sdev) +{ + struct snd_usb_stream *as; + struct snd_usb_substream *subs; + int idx = 0; + + list_for_each_entry(as, &chip->pcm_list, list) { + subs = &as->substream[SNDRV_PCM_STREAM_PLAYBACK]; + if (subs->ep_num) { + sdev->ppcm_idx[idx] = as->pcm->device; + idx++; + } + /* + * Break if the current index exceeds the number of possible + * playback streams counted from the UAC descriptors. + */ + if (idx >= sdev->num_playback) + break; + } + + return -1; +} + +/** + * qc_usb_audio_offload_probe() - platform op connect handler + * @chip: USB SND device + * + * Platform connect handler when a USB SND device is detected. Will + * notify SOC USB about the connection to enable the USB ASoC backend + * and populate internal USB chip array. + * + */ +static void qc_usb_audio_offload_probe(struct snd_usb_audio *chip) +{ + struct usb_interface *intf = chip->intf[chip->num_interfaces - 1]; + struct usb_interface_descriptor *altsd; + struct usb_host_interface *alts; + struct snd_soc_usb_device *sdev; + struct xhci_sideband *sb; + + /* + * If there is no priv_data, or no playback paths, the connected + * device doesn't support offloading. Avoid populating entries for + * this device. + */ + if (!snd_soc_usb_find_priv_data(uaudio_qdev->auxdev->dev.parent) || + !usb_qmi_get_pcm_num(chip, 0)) + return; + + mutex_lock(&qdev_mutex); + mutex_lock(&chip->mutex); + if (!uadev[chip->card->number].chip) { + sdev = kzalloc(sizeof(*sdev), GFP_KERNEL); + if (!sdev) + goto exit; + + sb = xhci_sideband_register(intf, XHCI_SIDEBAND_VENDOR, + uaudio_sideband_notifier); + if (!sb) + goto free_sdev; + } else { + sb = uadev[chip->card->number].sb; + sdev = uadev[chip->card->number].sdev; + } + + uadev[chip->card->number].sb = sb; + uadev[chip->card->number].chip = chip; + uadev[chip->card->number].sdev = sdev; + + alts = &intf->altsetting[0]; + altsd = get_iface_desc(alts); + + /* Wait until all PCM devices are populated before notifying soc-usb */ + if (altsd->bInterfaceNumber == chip->last_iface) { + sdev->num_playback = usb_qmi_get_pcm_num(chip, 0); + + /* + * Allocate playback pcm index array based on number of possible + * playback paths within the UAC descriptors. + */ + sdev->ppcm_idx = kcalloc(sdev->num_playback, sizeof(unsigned int), + GFP_KERNEL); + if (!sdev->ppcm_idx) + goto unreg_xhci; + + qc_usb_audio_offload_fill_avail_pcms(chip, sdev); + sdev->card_idx = chip->card->number; + sdev->chip_idx = chip->index; + + snd_usb_offload_create_ctl(chip, uaudio_qdev->auxdev->dev.parent); + snd_soc_usb_connect(uaudio_qdev->auxdev->dev.parent, sdev); + } + + mutex_unlock(&chip->mutex); + mutex_unlock(&qdev_mutex); + + return; + +unreg_xhci: + xhci_sideband_unregister(sb); + uadev[chip->card->number].sb = NULL; +free_sdev: + kfree(sdev); + uadev[chip->card->number].sdev = NULL; + uadev[chip->card->number].chip = NULL; +exit: + mutex_unlock(&chip->mutex); + mutex_unlock(&qdev_mutex); +} + +/** + * qc_usb_audio_cleanup_qmi_dev() - release qmi device + * + * Frees the USB qdev. Only occurs when there are no longer any potential + * devices that can utilize USB audio offloading. + * + */ +static void qc_usb_audio_cleanup_qmi_dev(void) +{ + kfree(uaudio_qdev); + uaudio_qdev = NULL; +} + +/** + * qc_usb_audio_offload_disconnect() - platform op disconnect handler + * @chip: USB SND device + * + * Platform disconnect handler. Will ensure that any pending stream is + * halted by issuing a QMI disconnect indication packet to the adsp. + * + */ +static void qc_usb_audio_offload_disconnect(struct snd_usb_audio *chip) +{ + struct uaudio_dev *dev; + int card_num; + + if (!chip) + return; + + card_num = chip->card->number; + if (card_num >= SNDRV_CARDS) + return; + + mutex_lock(&qdev_mutex); + mutex_lock(&chip->mutex); + dev = &uadev[card_num]; + + /* Device has already been cleaned up, or never populated */ + if (!dev->chip) { + mutex_unlock(&chip->mutex); + mutex_unlock(&qdev_mutex); + return; + } + + /* cleaned up already */ + if (!dev->udev) + goto done; + + uaudio_send_disconnect_ind(chip); + uaudio_dev_cleanup(dev); +done: + /* + * If num_interfaces == 1, the last USB SND interface is being removed. + * This is to accommodate for devices w/ multiple UAC functions. + */ + if (chip->num_interfaces == 1) { + snd_soc_usb_disconnect(uaudio_qdev->auxdev->dev.parent, dev->sdev); + xhci_sideband_unregister(dev->sb); + dev->chip = NULL; + kfree(dev->sdev->ppcm_idx); + kfree(dev->sdev); + dev->sdev = NULL; + } + mutex_unlock(&chip->mutex); + + mutex_unlock(&qdev_mutex); +} + +/** + * qc_usb_audio_offload_suspend() - USB offload PM suspend handler + * @intf: USB interface + * @message: suspend type + * + * PM suspend handler to ensure that the USB offloading driver is able to stop + * any pending traffic, so that the bus can be suspended. + * + */ +static void qc_usb_audio_offload_suspend(struct usb_interface *intf, + pm_message_t message) +{ + struct snd_usb_audio *chip = usb_get_intfdata(intf); + int card_num; + + if (!chip) + return; + + card_num = chip->card->number; + if (card_num >= SNDRV_CARDS) + return; + + mutex_lock(&qdev_mutex); + mutex_lock(&chip->mutex); + + uaudio_send_disconnect_ind(chip); + + mutex_unlock(&chip->mutex); + mutex_unlock(&qdev_mutex); +} + +static struct snd_usb_platform_ops offload_ops = { + .connect_cb = qc_usb_audio_offload_probe, + .disconnect_cb = qc_usb_audio_offload_disconnect, + .suspend_cb = qc_usb_audio_offload_suspend, +}; + +static int qc_usb_audio_probe(struct auxiliary_device *auxdev, + const struct auxiliary_device_id *id) + +{ + struct uaudio_qmi_svc *svc; + int ret; + + svc = kzalloc(sizeof(*svc), GFP_KERNEL); + if (!svc) + return -ENOMEM; + + svc->uaudio_svc_hdl = kzalloc(sizeof(*svc->uaudio_svc_hdl), GFP_KERNEL); + if (!svc->uaudio_svc_hdl) { + ret = -ENOMEM; + goto free_svc; + } + + ret = qmi_handle_init(svc->uaudio_svc_hdl, + QMI_UAUDIO_STREAM_REQ_MSG_V01_MAX_MSG_LEN, + &uaudio_svc_ops_options, + &uaudio_stream_req_handlers); + ret = qmi_add_server(svc->uaudio_svc_hdl, UAUDIO_STREAM_SERVICE_ID_V01, + UAUDIO_STREAM_SERVICE_VERS_V01, 0); + + uaudio_svc = svc; + + qc_usb_audio_offload_init_qmi_dev(); + uaudio_qdev->auxdev = auxdev; + + ret = snd_usb_register_platform_ops(&offload_ops); + if (ret < 0) + goto release_qmi; + + snd_usb_rediscover_devices(); + + return 0; + +release_qmi: + qc_usb_audio_cleanup_qmi_dev(); + qmi_handle_release(svc->uaudio_svc_hdl); +free_svc: + kfree(svc); + + return ret; +} + +static void qc_usb_audio_remove(struct auxiliary_device *auxdev) +{ + struct uaudio_qmi_svc *svc = uaudio_svc; + int idx; + + /* + * Remove all connected devices after unregistering ops, to ensure + * that no further connect events will occur. The disconnect routine + * will issue the QMI disconnect indication, which results in the + * external DSP to stop issuing transfers. + */ + snd_usb_unregister_platform_ops(); + for (idx = 0; idx < SNDRV_CARDS; idx++) + qc_usb_audio_offload_disconnect(uadev[idx].chip); + + qc_usb_audio_cleanup_qmi_dev(); + + qmi_handle_release(svc->uaudio_svc_hdl); + kfree(svc); + uaudio_svc = NULL; +} + +static const struct auxiliary_device_id qc_usb_audio_table[] = { + { .name = "q6usb.qc-usb-audio-offload" }, + {}, +}; +MODULE_DEVICE_TABLE(auxiliary, qc_usb_audio_table); + +static struct auxiliary_driver qc_usb_audio_offload_drv = { + .name = "qc-usb-audio-offload", + .id_table = qc_usb_audio_table, + .probe = qc_usb_audio_probe, + .remove = qc_usb_audio_remove, +}; +module_auxiliary_driver(qc_usb_audio_offload_drv); + +MODULE_DESCRIPTION("QC USB Audio Offloading"); +MODULE_LICENSE("GPL"); diff --git a/sound/usb/qcom/usb_audio_qmi_v01.c b/sound/usb/qcom/usb_audio_qmi_v01.c new file mode 100644 index 000000000000..502857612277 --- /dev/null +++ b/sound/usb/qcom/usb_audio_qmi_v01.c @@ -0,0 +1,863 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2022-2025 Qualcomm Innovation Center, Inc. All rights reserved. + */ + +#include <linux/soc/qcom/qmi.h> + +#include "usb_audio_qmi_v01.h" + +static const struct qmi_elem_info mem_info_v01_ei[] = { + { + .data_type = QMI_UNSIGNED_8_BYTE, + .elem_len = 1, + .elem_size = sizeof(u64), + .array_type = NO_ARRAY, + .tlv_type = 0, + .offset = offsetof(struct mem_info_v01, iova), + }, + { + .data_type = QMI_UNSIGNED_8_BYTE, + .elem_len = 1, + .elem_size = sizeof(u64), + .array_type = NO_ARRAY, + .tlv_type = 0, + .offset = offsetof(struct mem_info_v01, dma), + }, + { + .data_type = QMI_UNSIGNED_4_BYTE, + .elem_len = 1, + .elem_size = sizeof(u32), + .array_type = NO_ARRAY, + .tlv_type = 0, + .offset = offsetof(struct mem_info_v01, size), + }, + { + .data_type = QMI_EOTI, + .array_type = NO_ARRAY, + .tlv_type = QMI_COMMON_TLV_TYPE, + }, +}; + +static const struct qmi_elem_info apps_mem_info_v01_ei[] = { + { + .data_type = QMI_STRUCT, + .elem_len = 1, + .elem_size = sizeof(struct mem_info_v01), + .array_type = NO_ARRAY, + .tlv_type = 0, + .offset = offsetof(struct apps_mem_info_v01, evt_ring), + .ei_array = mem_info_v01_ei, + }, + { + .data_type = QMI_STRUCT, + .elem_len = 1, + .elem_size = sizeof(struct mem_info_v01), + .array_type = NO_ARRAY, + .tlv_type = 0, + .offset = offsetof(struct apps_mem_info_v01, tr_data), + .ei_array = mem_info_v01_ei, + }, + { + .data_type = QMI_STRUCT, + .elem_len = 1, + .elem_size = sizeof(struct mem_info_v01), + .array_type = NO_ARRAY, + .tlv_type = 0, + .offset = offsetof(struct apps_mem_info_v01, tr_sync), + .ei_array = mem_info_v01_ei, + }, + { + .data_type = QMI_STRUCT, + .elem_len = 1, + .elem_size = sizeof(struct mem_info_v01), + .array_type = NO_ARRAY, + .tlv_type = 0, + .offset = offsetof(struct apps_mem_info_v01, xfer_buff), + .ei_array = mem_info_v01_ei, + }, + { + .data_type = QMI_STRUCT, + .elem_len = 1, + .elem_size = sizeof(struct mem_info_v01), + .array_type = NO_ARRAY, + .tlv_type = 0, + .offset = offsetof(struct apps_mem_info_v01, dcba), + .ei_array = mem_info_v01_ei, + }, + { + .data_type = QMI_EOTI, + .array_type = NO_ARRAY, + .tlv_type = QMI_COMMON_TLV_TYPE, + }, +}; + +static const struct qmi_elem_info usb_endpoint_descriptor_v01_ei[] = { + { + .data_type = QMI_UNSIGNED_1_BYTE, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0, + .offset = offsetof(struct usb_endpoint_descriptor_v01, + bLength), + }, + { + .data_type = QMI_UNSIGNED_1_BYTE, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0, + .offset = offsetof(struct usb_endpoint_descriptor_v01, + bDescriptorType), + }, + { + .data_type = QMI_UNSIGNED_1_BYTE, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0, + .offset = offsetof(struct usb_endpoint_descriptor_v01, + bEndpointAddress), + }, + { + .data_type = QMI_UNSIGNED_1_BYTE, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0, + .offset = offsetof(struct usb_endpoint_descriptor_v01, + bmAttributes), + }, + { + .data_type = QMI_UNSIGNED_2_BYTE, + .elem_len = 1, + .elem_size = sizeof(u16), + .array_type = NO_ARRAY, + .tlv_type = 0, + .offset = offsetof(struct usb_endpoint_descriptor_v01, + wMaxPacketSize), + }, + { + .data_type = QMI_UNSIGNED_1_BYTE, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0, + .offset = offsetof(struct usb_endpoint_descriptor_v01, + bInterval), + }, + { + .data_type = QMI_UNSIGNED_1_BYTE, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0, + .offset = offsetof(struct usb_endpoint_descriptor_v01, + bRefresh), + }, + { + .data_type = QMI_UNSIGNED_1_BYTE, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0, + .offset = offsetof(struct usb_endpoint_descriptor_v01, + bSynchAddress), + }, + { + .data_type = QMI_EOTI, + .array_type = NO_ARRAY, + .tlv_type = QMI_COMMON_TLV_TYPE, + }, +}; + +static const struct qmi_elem_info usb_interface_descriptor_v01_ei[] = { + { + .data_type = QMI_UNSIGNED_1_BYTE, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0, + .offset = offsetof(struct usb_interface_descriptor_v01, + bLength), + }, + { + .data_type = QMI_UNSIGNED_1_BYTE, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0, + .offset = offsetof(struct usb_interface_descriptor_v01, + bDescriptorType), + }, + { + .data_type = QMI_UNSIGNED_1_BYTE, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0, + .offset = offsetof(struct usb_interface_descriptor_v01, + bInterfaceNumber), + }, + { + .data_type = QMI_UNSIGNED_1_BYTE, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0, + .offset = offsetof(struct usb_interface_descriptor_v01, + bAlternateSetting), + }, + { + .data_type = QMI_UNSIGNED_1_BYTE, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0, + .offset = offsetof(struct usb_interface_descriptor_v01, + bNumEndpoints), + }, + { + .data_type = QMI_UNSIGNED_1_BYTE, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0, + .offset = offsetof(struct usb_interface_descriptor_v01, + bInterfaceClass), + }, + { + .data_type = QMI_UNSIGNED_1_BYTE, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0, + .offset = offsetof(struct usb_interface_descriptor_v01, + bInterfaceSubClass), + }, + { + .data_type = QMI_UNSIGNED_1_BYTE, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0, + .offset = offsetof(struct usb_interface_descriptor_v01, + bInterfaceProtocol), + }, + { + .data_type = QMI_UNSIGNED_1_BYTE, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0, + .offset = offsetof(struct usb_interface_descriptor_v01, + iInterface), + }, + { + .data_type = QMI_EOTI, + .array_type = NO_ARRAY, + .tlv_type = QMI_COMMON_TLV_TYPE, + }, +}; + +const struct qmi_elem_info qmi_uaudio_stream_req_msg_v01_ei[] = { + { + .data_type = QMI_UNSIGNED_1_BYTE, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0x01, + .offset = offsetof(struct qmi_uaudio_stream_req_msg_v01, + enable), + }, + { + .data_type = QMI_UNSIGNED_4_BYTE, + .elem_len = 1, + .elem_size = sizeof(u32), + .array_type = NO_ARRAY, + .tlv_type = 0x02, + .offset = offsetof(struct qmi_uaudio_stream_req_msg_v01, + usb_token), + }, + { + .data_type = QMI_OPT_FLAG, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0x10, + .offset = offsetof(struct qmi_uaudio_stream_req_msg_v01, + audio_format_valid), + }, + { + .data_type = QMI_UNSIGNED_4_BYTE, + .elem_len = 1, + .elem_size = sizeof(u32), + .array_type = NO_ARRAY, + .tlv_type = 0x10, + .offset = offsetof(struct qmi_uaudio_stream_req_msg_v01, + audio_format), + }, + { + .data_type = QMI_OPT_FLAG, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0x11, + .offset = offsetof(struct qmi_uaudio_stream_req_msg_v01, + number_of_ch_valid), + }, + { + .data_type = QMI_UNSIGNED_4_BYTE, + .elem_len = 1, + .elem_size = sizeof(u32), + .array_type = NO_ARRAY, + .tlv_type = 0x11, + .offset = offsetof(struct qmi_uaudio_stream_req_msg_v01, + number_of_ch), + }, + { + .data_type = QMI_OPT_FLAG, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0x12, + .offset = offsetof(struct qmi_uaudio_stream_req_msg_v01, + bit_rate_valid), + }, + { + .data_type = QMI_UNSIGNED_4_BYTE, + .elem_len = 1, + .elem_size = sizeof(u32), + .array_type = NO_ARRAY, + .tlv_type = 0x12, + .offset = offsetof(struct qmi_uaudio_stream_req_msg_v01, + bit_rate), + }, + { + .data_type = QMI_OPT_FLAG, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0x13, + .offset = offsetof(struct qmi_uaudio_stream_req_msg_v01, + xfer_buff_size_valid), + }, + { + .data_type = QMI_UNSIGNED_4_BYTE, + .elem_len = 1, + .elem_size = sizeof(u32), + .array_type = NO_ARRAY, + .tlv_type = 0x13, + .offset = offsetof(struct qmi_uaudio_stream_req_msg_v01, + xfer_buff_size), + }, + { + .data_type = QMI_OPT_FLAG, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0x14, + .offset = offsetof(struct qmi_uaudio_stream_req_msg_v01, + service_interval_valid), + }, + { + .data_type = QMI_UNSIGNED_4_BYTE, + .elem_len = 1, + .elem_size = sizeof(u32), + .array_type = NO_ARRAY, + .tlv_type = 0x14, + .offset = offsetof(struct qmi_uaudio_stream_req_msg_v01, + service_interval), + }, + { + .data_type = QMI_EOTI, + .array_type = NO_ARRAY, + .tlv_type = QMI_COMMON_TLV_TYPE, + }, +}; + +const struct qmi_elem_info qmi_uaudio_stream_resp_msg_v01_ei[] = { + { + .data_type = QMI_STRUCT, + .elem_len = 1, + .elem_size = sizeof(struct qmi_response_type_v01), + .array_type = NO_ARRAY, + .tlv_type = 0x02, + .offset = offsetof(struct qmi_uaudio_stream_resp_msg_v01, + resp), + .ei_array = qmi_response_type_v01_ei, + }, + { + .data_type = QMI_OPT_FLAG, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0x10, + .offset = offsetof(struct qmi_uaudio_stream_resp_msg_v01, + status_valid), + }, + { + .data_type = QMI_SIGNED_4_BYTE_ENUM, + .elem_len = 1, + .elem_size = sizeof(enum usb_qmi_audio_stream_status_enum_v01), + .array_type = NO_ARRAY, + .tlv_type = 0x10, + .offset = offsetof(struct qmi_uaudio_stream_resp_msg_v01, + status), + }, + { + .data_type = QMI_OPT_FLAG, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0x11, + .offset = offsetof(struct qmi_uaudio_stream_resp_msg_v01, + internal_status_valid), + }, + { + .data_type = QMI_UNSIGNED_4_BYTE, + .elem_len = 1, + .elem_size = sizeof(u32), + .array_type = NO_ARRAY, + .tlv_type = 0x11, + .offset = offsetof(struct qmi_uaudio_stream_resp_msg_v01, + internal_status), + }, + { + .data_type = QMI_OPT_FLAG, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0x12, + .offset = offsetof(struct qmi_uaudio_stream_resp_msg_v01, + slot_id_valid), + }, + { + .data_type = QMI_UNSIGNED_4_BYTE, + .elem_len = 1, + .elem_size = sizeof(u32), + .array_type = NO_ARRAY, + .tlv_type = 0x12, + .offset = offsetof(struct qmi_uaudio_stream_resp_msg_v01, + slot_id), + }, + { + .data_type = QMI_OPT_FLAG, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0x13, + .offset = offsetof(struct qmi_uaudio_stream_resp_msg_v01, + usb_token_valid), + }, + { + .data_type = QMI_UNSIGNED_4_BYTE, + .elem_len = 1, + .elem_size = sizeof(u32), + .array_type = NO_ARRAY, + .tlv_type = 0x13, + .offset = offsetof(struct qmi_uaudio_stream_resp_msg_v01, + usb_token), + }, + { + .data_type = QMI_OPT_FLAG, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0x14, + .offset = offsetof(struct qmi_uaudio_stream_resp_msg_v01, + std_as_opr_intf_desc_valid), + }, + { + .data_type = QMI_STRUCT, + .elem_len = 1, + .elem_size = sizeof(struct usb_interface_descriptor_v01), + .array_type = NO_ARRAY, + .tlv_type = 0x14, + .offset = offsetof(struct qmi_uaudio_stream_resp_msg_v01, + std_as_opr_intf_desc), + .ei_array = usb_interface_descriptor_v01_ei, + }, + { + .data_type = QMI_OPT_FLAG, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0x15, + .offset = offsetof(struct qmi_uaudio_stream_resp_msg_v01, + std_as_data_ep_desc_valid), + }, + { + .data_type = QMI_STRUCT, + .elem_len = 1, + .elem_size = sizeof(struct usb_endpoint_descriptor_v01), + .array_type = NO_ARRAY, + .tlv_type = 0x15, + .offset = offsetof(struct qmi_uaudio_stream_resp_msg_v01, + std_as_data_ep_desc), + .ei_array = usb_endpoint_descriptor_v01_ei, + }, + { + .data_type = QMI_OPT_FLAG, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0x16, + .offset = offsetof(struct qmi_uaudio_stream_resp_msg_v01, + std_as_sync_ep_desc_valid), + }, + { + .data_type = QMI_STRUCT, + .elem_len = 1, + .elem_size = sizeof(struct usb_endpoint_descriptor_v01), + .array_type = NO_ARRAY, + .tlv_type = 0x16, + .offset = offsetof(struct qmi_uaudio_stream_resp_msg_v01, + std_as_sync_ep_desc), + .ei_array = usb_endpoint_descriptor_v01_ei, + }, + { + .data_type = QMI_OPT_FLAG, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0x17, + .offset = offsetof(struct qmi_uaudio_stream_resp_msg_v01, + usb_audio_spec_revision_valid), + }, + { + .data_type = QMI_UNSIGNED_2_BYTE, + .elem_len = 1, + .elem_size = sizeof(u16), + .array_type = NO_ARRAY, + .tlv_type = 0x17, + .offset = offsetof(struct qmi_uaudio_stream_resp_msg_v01, + usb_audio_spec_revision), + }, + { + .data_type = QMI_OPT_FLAG, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0x18, + .offset = offsetof(struct qmi_uaudio_stream_resp_msg_v01, + data_path_delay_valid), + }, + { + .data_type = QMI_UNSIGNED_1_BYTE, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0x18, + .offset = offsetof(struct qmi_uaudio_stream_resp_msg_v01, + data_path_delay), + }, + { + .data_type = QMI_OPT_FLAG, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0x19, + .offset = offsetof(struct qmi_uaudio_stream_resp_msg_v01, + usb_audio_subslot_size_valid), + }, + { + .data_type = QMI_UNSIGNED_1_BYTE, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0x19, + .offset = offsetof(struct qmi_uaudio_stream_resp_msg_v01, + usb_audio_subslot_size), + }, + { + .data_type = QMI_OPT_FLAG, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0x1A, + .offset = offsetof(struct qmi_uaudio_stream_resp_msg_v01, + xhci_mem_info_valid), + }, + { + .data_type = QMI_STRUCT, + .elem_len = 1, + .elem_size = sizeof(struct apps_mem_info_v01), + .array_type = NO_ARRAY, + .tlv_type = 0x1A, + .offset = offsetof(struct qmi_uaudio_stream_resp_msg_v01, + xhci_mem_info), + .ei_array = apps_mem_info_v01_ei, + }, + { + .data_type = QMI_OPT_FLAG, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0x1B, + .offset = offsetof(struct qmi_uaudio_stream_resp_msg_v01, + interrupter_num_valid), + }, + { + .data_type = QMI_UNSIGNED_1_BYTE, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0x1B, + .offset = offsetof(struct qmi_uaudio_stream_resp_msg_v01, + interrupter_num), + }, + { + .data_type = QMI_OPT_FLAG, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0x1C, + .offset = offsetof(struct qmi_uaudio_stream_resp_msg_v01, + speed_info_valid), + }, + { + .data_type = QMI_SIGNED_4_BYTE_ENUM, + .elem_len = 1, + .elem_size = sizeof(enum usb_qmi_audio_device_speed_enum_v01), + .array_type = NO_ARRAY, + .tlv_type = 0x1C, + .offset = offsetof(struct qmi_uaudio_stream_resp_msg_v01, + speed_info), + }, + { + .data_type = QMI_OPT_FLAG, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0x1D, + .offset = offsetof(struct qmi_uaudio_stream_resp_msg_v01, + controller_num_valid), + }, + { + .data_type = QMI_UNSIGNED_1_BYTE, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0x1D, + .offset = offsetof(struct qmi_uaudio_stream_resp_msg_v01, + controller_num), + }, + { + .data_type = QMI_EOTI, + .array_type = NO_ARRAY, + .tlv_type = QMI_COMMON_TLV_TYPE, + }, +}; + +const struct qmi_elem_info qmi_uaudio_stream_ind_msg_v01_ei[] = { + { + .data_type = QMI_SIGNED_4_BYTE_ENUM, + .elem_len = 1, + .elem_size = sizeof( + enum usb_qmi_audio_device_indication_enum_v01), + .array_type = NO_ARRAY, + .tlv_type = 0x01, + .offset = offsetof(struct qmi_uaudio_stream_ind_msg_v01, + dev_event), + }, + { + .data_type = QMI_UNSIGNED_4_BYTE, + .elem_len = 1, + .elem_size = sizeof(u32), + .array_type = NO_ARRAY, + .tlv_type = 0x02, + .offset = offsetof(struct qmi_uaudio_stream_ind_msg_v01, + slot_id), + }, + { + .data_type = QMI_OPT_FLAG, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0x10, + .offset = offsetof(struct qmi_uaudio_stream_ind_msg_v01, + usb_token_valid), + }, + { + .data_type = QMI_UNSIGNED_4_BYTE, + .elem_len = 1, + .elem_size = sizeof(u32), + .array_type = NO_ARRAY, + .tlv_type = 0x10, + .offset = offsetof(struct qmi_uaudio_stream_ind_msg_v01, + usb_token), + }, + { + .data_type = QMI_OPT_FLAG, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0x11, + .offset = offsetof(struct qmi_uaudio_stream_ind_msg_v01, + std_as_opr_intf_desc_valid), + }, + { + .data_type = QMI_STRUCT, + .elem_len = 1, + .elem_size = sizeof(struct usb_interface_descriptor_v01), + .array_type = NO_ARRAY, + .tlv_type = 0x11, + .offset = offsetof(struct qmi_uaudio_stream_ind_msg_v01, + std_as_opr_intf_desc), + .ei_array = usb_interface_descriptor_v01_ei, + }, + { + .data_type = QMI_OPT_FLAG, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0x12, + .offset = offsetof(struct qmi_uaudio_stream_ind_msg_v01, + std_as_data_ep_desc_valid), + }, + { + .data_type = QMI_STRUCT, + .elem_len = 1, + .elem_size = sizeof(struct usb_endpoint_descriptor_v01), + .array_type = NO_ARRAY, + .tlv_type = 0x12, + .offset = offsetof(struct qmi_uaudio_stream_ind_msg_v01, + std_as_data_ep_desc), + .ei_array = usb_endpoint_descriptor_v01_ei, + }, + { + .data_type = QMI_OPT_FLAG, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0x13, + .offset = offsetof(struct qmi_uaudio_stream_ind_msg_v01, + std_as_sync_ep_desc_valid), + }, + { + .data_type = QMI_STRUCT, + .elem_len = 1, + .elem_size = sizeof(struct usb_endpoint_descriptor_v01), + .array_type = NO_ARRAY, + .tlv_type = 0x13, + .offset = offsetof(struct qmi_uaudio_stream_ind_msg_v01, + std_as_sync_ep_desc), + .ei_array = usb_endpoint_descriptor_v01_ei, + }, + { + .data_type = QMI_OPT_FLAG, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0x14, + .offset = offsetof(struct qmi_uaudio_stream_ind_msg_v01, + usb_audio_spec_revision_valid), + }, + { + .data_type = QMI_UNSIGNED_2_BYTE, + .elem_len = 1, + .elem_size = sizeof(u16), + .array_type = NO_ARRAY, + .tlv_type = 0x14, + .offset = offsetof(struct qmi_uaudio_stream_ind_msg_v01, + usb_audio_spec_revision), + }, + { + .data_type = QMI_OPT_FLAG, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0x15, + .offset = offsetof(struct qmi_uaudio_stream_ind_msg_v01, + data_path_delay_valid), + }, + { + .data_type = QMI_UNSIGNED_1_BYTE, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0x15, + .offset = offsetof(struct qmi_uaudio_stream_ind_msg_v01, + data_path_delay), + }, + { + .data_type = QMI_OPT_FLAG, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0x16, + .offset = offsetof(struct qmi_uaudio_stream_ind_msg_v01, + usb_audio_subslot_size_valid), + }, + { + .data_type = QMI_UNSIGNED_1_BYTE, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0x16, + .offset = offsetof(struct qmi_uaudio_stream_ind_msg_v01, + usb_audio_subslot_size), + }, + { + .data_type = QMI_OPT_FLAG, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0x17, + .offset = offsetof(struct qmi_uaudio_stream_ind_msg_v01, + xhci_mem_info_valid), + }, + { + .data_type = QMI_STRUCT, + .elem_len = 1, + .elem_size = sizeof(struct apps_mem_info_v01), + .array_type = NO_ARRAY, + .tlv_type = 0x17, + .offset = offsetof(struct qmi_uaudio_stream_ind_msg_v01, + xhci_mem_info), + .ei_array = apps_mem_info_v01_ei, + }, + { + .data_type = QMI_OPT_FLAG, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0x18, + .offset = offsetof(struct qmi_uaudio_stream_ind_msg_v01, + interrupter_num_valid), + }, + { + .data_type = QMI_UNSIGNED_1_BYTE, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0x18, + .offset = offsetof(struct qmi_uaudio_stream_ind_msg_v01, + interrupter_num), + }, + { + .data_type = QMI_OPT_FLAG, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0x19, + .offset = offsetof(struct qmi_uaudio_stream_ind_msg_v01, + controller_num_valid), + }, + { + .data_type = QMI_UNSIGNED_1_BYTE, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0x19, + .offset = offsetof(struct qmi_uaudio_stream_ind_msg_v01, + controller_num), + }, + { + .data_type = QMI_EOTI, + .array_type = NO_ARRAY, + .tlv_type = QMI_COMMON_TLV_TYPE, + }, +}; diff --git a/sound/usb/qcom/usb_audio_qmi_v01.h b/sound/usb/qcom/usb_audio_qmi_v01.h new file mode 100644 index 000000000000..a1298d75d9f8 --- /dev/null +++ b/sound/usb/qcom/usb_audio_qmi_v01.h @@ -0,0 +1,164 @@ +/* SPDX-License-Identifier: GPL-2.0 + * + * Copyright (c) 2022-2025 Qualcomm Innovation Center, Inc. All rights reserved. + */ + +#ifndef USB_QMI_V01_H +#define USB_QMI_V01_H + +#define UAUDIO_STREAM_SERVICE_ID_V01 0x41D +#define UAUDIO_STREAM_SERVICE_VERS_V01 0x01 + +#define QMI_UAUDIO_STREAM_RESP_V01 0x0001 +#define QMI_UAUDIO_STREAM_REQ_V01 0x0001 +#define QMI_UAUDIO_STREAM_IND_V01 0x0001 + +struct mem_info_v01 { + u64 iova; /* mapped into sysdev */ + u64 dma; /* mapped into usb host */ + u32 size; +}; + +struct apps_mem_info_v01 { + struct mem_info_v01 evt_ring; + struct mem_info_v01 tr_data; + struct mem_info_v01 tr_sync; + struct mem_info_v01 xfer_buff; + struct mem_info_v01 dcba; +}; + +struct usb_endpoint_descriptor_v01 { + u8 bLength; + u8 bDescriptorType; + u8 bEndpointAddress; + u8 bmAttributes; + u16 wMaxPacketSize; + u8 bInterval; + u8 bRefresh; + u8 bSynchAddress; +}; + +struct usb_interface_descriptor_v01 { + u8 bLength; + u8 bDescriptorType; + u8 bInterfaceNumber; + u8 bAlternateSetting; + u8 bNumEndpoints; + u8 bInterfaceClass; + u8 bInterfaceSubClass; + u8 bInterfaceProtocol; + u8 iInterface; +}; + +enum usb_qmi_audio_stream_status_enum_v01 { + USB_QMI_STREAM_STATUS_ENUM_MIN_VAL_V01 = INT_MIN, + USB_QMI_STREAM_REQ_SUCCESS_V01 = 0, + USB_QMI_STREAM_REQ_FAILURE_V01 = 1, + USB_QMI_STREAM_REQ_FAILURE_NOT_FOUND_V01 = 2, + USB_QMI_STREAM_REQ_FAILURE_INVALID_PARAM_V01 = 3, + USB_QMI_STREAM_REQ_FAILURE_MEMALLOC_V01 = 4, + USB_QMI_STREAM_STATUS_ENUM_MAX_VAL_V01 = INT_MAX, +}; + +enum usb_qmi_audio_device_indication_enum_v01 { + USB_QMI_DEVICE_INDICATION_ENUM_MIN_VAL_V01 = INT_MIN, + USB_QMI_DEV_CONNECT_V01 = 0, + USB_QMI_DEV_DISCONNECT_V01 = 1, + USB_QMI_DEV_SUSPEND_V01 = 2, + USB_QMI_DEV_RESUME_V01 = 3, + USB_QMI_DEVICE_INDICATION_ENUM_MAX_VAL_V01 = INT_MAX, +}; + +enum usb_qmi_audio_device_speed_enum_v01 { + USB_QMI_DEVICE_SPEED_ENUM_MIN_VAL_V01 = INT_MIN, + USB_QMI_DEVICE_SPEED_INVALID_V01 = 0, + USB_QMI_DEVICE_SPEED_LOW_V01 = 1, + USB_QMI_DEVICE_SPEED_FULL_V01 = 2, + USB_QMI_DEVICE_SPEED_HIGH_V01 = 3, + USB_QMI_DEVICE_SPEED_SUPER_V01 = 4, + USB_QMI_DEVICE_SPEED_SUPER_PLUS_V01 = 5, + USB_QMI_DEVICE_SPEED_ENUM_MAX_VAL_V01 = INT_MAX, +}; + +struct qmi_uaudio_stream_req_msg_v01 { + u8 enable; + u32 usb_token; + u8 audio_format_valid; + u32 audio_format; + u8 number_of_ch_valid; + u32 number_of_ch; + u8 bit_rate_valid; + u32 bit_rate; + u8 xfer_buff_size_valid; + u32 xfer_buff_size; + u8 service_interval_valid; + u32 service_interval; +}; + +#define QMI_UAUDIO_STREAM_REQ_MSG_V01_MAX_MSG_LEN 46 +extern const struct qmi_elem_info qmi_uaudio_stream_req_msg_v01_ei[]; + +struct qmi_uaudio_stream_resp_msg_v01 { + struct qmi_response_type_v01 resp; + u8 status_valid; + enum usb_qmi_audio_stream_status_enum_v01 status; + u8 internal_status_valid; + u32 internal_status; + u8 slot_id_valid; + u32 slot_id; + u8 usb_token_valid; + u32 usb_token; + u8 std_as_opr_intf_desc_valid; + struct usb_interface_descriptor_v01 std_as_opr_intf_desc; + u8 std_as_data_ep_desc_valid; + struct usb_endpoint_descriptor_v01 std_as_data_ep_desc; + u8 std_as_sync_ep_desc_valid; + struct usb_endpoint_descriptor_v01 std_as_sync_ep_desc; + u8 usb_audio_spec_revision_valid; + u16 usb_audio_spec_revision; + u8 data_path_delay_valid; + u8 data_path_delay; + u8 usb_audio_subslot_size_valid; + u8 usb_audio_subslot_size; + u8 xhci_mem_info_valid; + struct apps_mem_info_v01 xhci_mem_info; + u8 interrupter_num_valid; + u8 interrupter_num; + u8 speed_info_valid; + enum usb_qmi_audio_device_speed_enum_v01 speed_info; + u8 controller_num_valid; + u8 controller_num; +}; + +#define QMI_UAUDIO_STREAM_RESP_MSG_V01_MAX_MSG_LEN 202 +extern const struct qmi_elem_info qmi_uaudio_stream_resp_msg_v01_ei[]; + +struct qmi_uaudio_stream_ind_msg_v01 { + enum usb_qmi_audio_device_indication_enum_v01 dev_event; + u32 slot_id; + u8 usb_token_valid; + u32 usb_token; + u8 std_as_opr_intf_desc_valid; + struct usb_interface_descriptor_v01 std_as_opr_intf_desc; + u8 std_as_data_ep_desc_valid; + struct usb_endpoint_descriptor_v01 std_as_data_ep_desc; + u8 std_as_sync_ep_desc_valid; + struct usb_endpoint_descriptor_v01 std_as_sync_ep_desc; + u8 usb_audio_spec_revision_valid; + u16 usb_audio_spec_revision; + u8 data_path_delay_valid; + u8 data_path_delay; + u8 usb_audio_subslot_size_valid; + u8 usb_audio_subslot_size; + u8 xhci_mem_info_valid; + struct apps_mem_info_v01 xhci_mem_info; + u8 interrupter_num_valid; + u8 interrupter_num; + u8 controller_num_valid; + u8 controller_num; +}; + +#define QMI_UAUDIO_STREAM_IND_MSG_V01_MAX_MSG_LEN 181 +extern const struct qmi_elem_info qmi_uaudio_stream_ind_msg_v01_ei[]; + +#endif diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c index 5ed523b13fad..bd24f3a78ea9 100644 --- a/sound/usb/quirks.c +++ b/sound/usb/quirks.c @@ -2285,6 +2285,8 @@ static const struct usb_audio_quirk_flags_table quirk_flags_table[] = { QUIRK_FLAG_DISABLE_AUTOSUSPEND), DEVICE_FLG(0x17aa, 0x104d, /* Lenovo ThinkStation P620 Internal Speaker + Front Headset */ QUIRK_FLAG_DISABLE_AUTOSUSPEND), + DEVICE_FLG(0x17ef, 0x3083, /* Lenovo TBT3 dock */ + QUIRK_FLAG_GET_SAMPLE_RATE), DEVICE_FLG(0x1852, 0x5062, /* Luxman D-08u */ QUIRK_FLAG_ITF_USB_DSD_DAC | QUIRK_FLAG_CTL_MSG_DELAY), DEVICE_FLG(0x1852, 0x5065, /* Luxman DA-06 */ diff --git a/sound/usb/stream.c b/sound/usb/stream.c index c1ea8844a46f..ad6ced780634 100644 --- a/sound/usb/stream.c +++ b/sound/usb/stream.c @@ -536,9 +536,10 @@ static int __snd_usb_add_audio_stream(struct snd_usb_audio *chip, pcm->private_free = snd_usb_audio_pcm_free; pcm->info_flags = 0; if (chip->pcm_devs > 0) - sprintf(pcm->name, "USB Audio #%d", chip->pcm_devs); + scnprintf(pcm->name, sizeof(pcm->name), "USB Audio #%d", + chip->pcm_devs); else - strcpy(pcm->name, "USB Audio"); + strscpy(pcm->name, "USB Audio"); snd_usb_init_substream(as, stream, fp, pd); @@ -987,6 +988,8 @@ snd_usb_get_audioformat_uac3(struct snd_usb_audio *chip, * and request Cluster Descriptor */ wLength = le16_to_cpu(hc_header.wLength); + if (wLength < sizeof(cluster)) + return NULL; cluster = kzalloc(wLength, GFP_KERNEL); if (!cluster) return ERR_PTR(-ENOMEM); diff --git a/sound/usb/usx2y/us122l.c b/sound/usb/usx2y/us122l.c index 6bcf8b859ebb..2ace3ba46091 100644 --- a/sound/usb/usx2y/us122l.c +++ b/sound/usb/usx2y/us122l.c @@ -495,7 +495,7 @@ static int usx2y_create_card(struct usb_device *device, init_waitqueue_head(&US122L(card)->sk.sleep); US122L(card)->is_us144 = flags & US122L_FLAG_US144; INIT_LIST_HEAD(&US122L(card)->midi_list); - strcpy(card->driver, "USB "NAME_ALLCAPS""); + strscpy(card->driver, "USB "NAME_ALLCAPS""); sprintf(card->shortname, "TASCAM "NAME_ALLCAPS""); sprintf(card->longname, "%s (%x:%x if %d at %03d/%03d)", card->shortname, diff --git a/sound/usb/usx2y/usX2Yhwdep.c b/sound/usb/usx2y/usX2Yhwdep.c index 9fd6a86cc08e..4d7925184826 100644 --- a/sound/usb/usx2y/usX2Yhwdep.c +++ b/sound/usb/usx2y/usX2Yhwdep.c @@ -102,7 +102,7 @@ static int snd_usx2y_hwdep_dsp_status(struct snd_hwdep *hw, } if (id < 0) return -ENODEV; - strcpy(info->id, type_ids[id]); + strscpy(info->id, type_ids[id]); info->num_dsps = 2; // 0: Prepad Data, 1: FPGA Code if (us428->chip_status & USX2Y_STAT_CHIP_INIT) info->chip_ready = 1; diff --git a/sound/usb/usx2y/usbusx2y.c b/sound/usb/usx2y/usbusx2y.c index 5756ff3528a2..f34e78910200 100644 --- a/sound/usb/usx2y/usbusx2y.c +++ b/sound/usb/usx2y/usbusx2y.c @@ -382,7 +382,7 @@ static int usx2y_create_card(struct usb_device *device, init_waitqueue_head(&usx2y(card)->us428ctls_wait_queue_head); mutex_init(&usx2y(card)->pcm_mutex); INIT_LIST_HEAD(&usx2y(card)->midi_list); - strcpy(card->driver, "USB "NAME_ALLCAPS""); + strscpy(card->driver, "USB "NAME_ALLCAPS""); sprintf(card->shortname, "TASCAM "NAME_ALLCAPS""); sprintf(card->longname, "%s (%x:%x if %d at %03d/%03d)", card->shortname, |