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authorTakashi Iwai <tiwai@suse.de>2021-01-18 17:39:18 +0100
committerTakashi Iwai <tiwai@suse.de>2021-01-18 17:39:23 +0100
commitc09e28cd1219fd267ed838e1758ff2e7b6ff3ec6 (patch)
tree6259cbb1e1659b2720934409c67e00180ee68ba4 /sound/usb
parent915183b62276191ef767e00e683f4c085c4cc325 (diff)
parent532a208ad61018b586cebfca8431291fe9c10ce7 (diff)
Merge branch 'for-linus' into for-next
Back-merge of 5.11 devel branch for more works on USB-audio. Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/usb')
-rw-r--r--sound/usb/card.c5
-rw-r--r--sound/usb/card.h3
-rw-r--r--sound/usb/clock.c21
-rw-r--r--sound/usb/endpoint.c93
-rw-r--r--sound/usb/endpoint.h2
-rw-r--r--sound/usb/implicit.c58
-rw-r--r--sound/usb/pcm.c171
-rw-r--r--sound/usb/quirks-table.h6
-rw-r--r--sound/usb/quirks.c86
-rw-r--r--sound/usb/usbaudio.h1
10 files changed, 297 insertions, 149 deletions
diff --git a/sound/usb/card.c b/sound/usb/card.c
index 45407cb81b66..85ed8507e41a 100644
--- a/sound/usb/card.c
+++ b/sound/usb/card.c
@@ -450,10 +450,8 @@ lookup_device_name(u32 id)
static void snd_usb_audio_free(struct snd_card *card)
{
struct snd_usb_audio *chip = card->private_data;
- struct snd_usb_endpoint *ep, *n;
- list_for_each_entry_safe(ep, n, &chip->ep_list, list)
- snd_usb_endpoint_free(ep);
+ snd_usb_endpoint_free_all(chip);
mutex_destroy(&chip->mutex);
if (!atomic_read(&chip->shutdown))
@@ -610,6 +608,7 @@ static int snd_usb_audio_create(struct usb_interface *intf,
chip->usb_id = usb_id;
INIT_LIST_HEAD(&chip->pcm_list);
INIT_LIST_HEAD(&chip->ep_list);
+ INIT_LIST_HEAD(&chip->iface_ref_list);
INIT_LIST_HEAD(&chip->midi_list);
INIT_LIST_HEAD(&chip->mixer_list);
diff --git a/sound/usb/card.h b/sound/usb/card.h
index 6a027c349194..37091b117614 100644
--- a/sound/usb/card.h
+++ b/sound/usb/card.h
@@ -18,6 +18,7 @@ struct audioformat {
unsigned int frame_size; /* samples per frame for non-audio */
unsigned char iface; /* interface number */
unsigned char altsetting; /* corresponding alternate setting */
+ unsigned char ep_idx; /* endpoint array index */
unsigned char altset_idx; /* array index of altenate setting */
unsigned char attributes; /* corresponding attributes of cs endpoint */
unsigned char endpoint; /* endpoint */
@@ -42,6 +43,7 @@ struct audioformat {
};
struct snd_usb_substream;
+struct snd_usb_iface_ref;
struct snd_usb_endpoint;
struct snd_usb_power_domain;
@@ -58,6 +60,7 @@ struct snd_urb_ctx {
struct snd_usb_endpoint {
struct snd_usb_audio *chip;
+ struct snd_usb_iface_ref *iface_ref;
int opened; /* open refcount; protect with chip->mutex */
atomic_t running; /* running status */
diff --git a/sound/usb/clock.c b/sound/usb/clock.c
index 31051f2be46d..dc68ed65e478 100644
--- a/sound/usb/clock.c
+++ b/sound/usb/clock.c
@@ -485,18 +485,9 @@ static int set_sample_rate_v1(struct snd_usb_audio *chip,
const struct audioformat *fmt, int rate)
{
struct usb_device *dev = chip->dev;
- struct usb_host_interface *alts;
- unsigned int ep;
unsigned char data[3];
int err, crate;
- alts = snd_usb_get_host_interface(chip, fmt->iface, fmt->altsetting);
- if (!alts)
- return -EINVAL;
- if (get_iface_desc(alts)->bNumEndpoints < 1)
- return -EINVAL;
- ep = get_endpoint(alts, 0)->bEndpointAddress;
-
/* if endpoint doesn't have sampling rate control, bail out */
if (!(fmt->attributes & UAC_EP_CS_ATTR_SAMPLE_RATE))
return 0;
@@ -506,11 +497,11 @@ static int set_sample_rate_v1(struct snd_usb_audio *chip,
data[2] = rate >> 16;
err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), UAC_SET_CUR,
USB_TYPE_CLASS | USB_RECIP_ENDPOINT | USB_DIR_OUT,
- UAC_EP_CS_ATTR_SAMPLE_RATE << 8, ep,
- data, sizeof(data));
+ UAC_EP_CS_ATTR_SAMPLE_RATE << 8,
+ fmt->endpoint, data, sizeof(data));
if (err < 0) {
dev_err(&dev->dev, "%d:%d: cannot set freq %d to ep %#x\n",
- fmt->iface, fmt->altsetting, rate, ep);
+ fmt->iface, fmt->altsetting, rate, fmt->endpoint);
return err;
}
@@ -524,11 +515,11 @@ static int set_sample_rate_v1(struct snd_usb_audio *chip,
err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(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));
+ UAC_EP_CS_ATTR_SAMPLE_RATE << 8,
+ fmt->endpoint, data, sizeof(data));
if (err < 0) {
dev_err(&dev->dev, "%d:%d: cannot get freq at ep %#x\n",
- fmt->iface, fmt->altsetting, ep);
+ fmt->iface, fmt->altsetting, fmt->endpoint);
chip->sample_rate_read_error++;
return 0; /* some devices don't support reading */
}
diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c
index 162da7a50046..8e568823c992 100644
--- a/sound/usb/endpoint.c
+++ b/sound/usb/endpoint.c
@@ -24,6 +24,14 @@
#define EP_FLAG_RUNNING 1
#define EP_FLAG_STOPPING 2
+/* interface refcounting */
+struct snd_usb_iface_ref {
+ unsigned char iface;
+ bool need_setup;
+ int opened;
+ struct list_head list;
+};
+
/*
* snd_usb_endpoint is a model that abstracts everything related to an
* USB endpoint and its streaming.
@@ -489,6 +497,28 @@ exit_clear:
}
/*
+ * Find or create a refcount object for the given interface
+ *
+ * The objects are released altogether in snd_usb_endpoint_free_all()
+ */
+static struct snd_usb_iface_ref *
+iface_ref_find(struct snd_usb_audio *chip, int iface)
+{
+ struct snd_usb_iface_ref *ip;
+
+ list_for_each_entry(ip, &chip->iface_ref_list, list)
+ if (ip->iface == iface)
+ return ip;
+
+ ip = kzalloc(sizeof(*ip), GFP_KERNEL);
+ if (!ip)
+ return NULL;
+ ip->iface = iface;
+ list_add_tail(&ip->list, &chip->iface_ref_list);
+ return ip;
+}
+
+/*
* Get the existing endpoint object corresponding EP
* Returns NULL if not present.
*/
@@ -520,8 +550,8 @@ snd_usb_get_endpoint(struct snd_usb_audio *chip, int ep_num)
*
* Returns zero on success or a negative error code.
*
- * New endpoints will be added to chip->ep_list and must be freed by
- * calling snd_usb_endpoint_free().
+ * New endpoints will be added to chip->ep_list and freed by
+ * calling snd_usb_endpoint_free_all().
*
* For SND_USB_ENDPOINT_TYPE_SYNC, the caller needs to guarantee that
* bNumEndpoints > 1 beforehand.
@@ -653,11 +683,17 @@ snd_usb_endpoint_open(struct snd_usb_audio *chip,
} else {
ep->iface = fp->iface;
ep->altsetting = fp->altsetting;
- ep->ep_idx = 0;
+ ep->ep_idx = fp->ep_idx;
}
usb_audio_dbg(chip, "Open EP 0x%x, iface=%d:%d, idx=%d\n",
ep_num, ep->iface, ep->altsetting, ep->ep_idx);
+ ep->iface_ref = iface_ref_find(chip, ep->iface);
+ if (!ep->iface_ref) {
+ ep = NULL;
+ goto unlock;
+ }
+
ep->cur_audiofmt = fp;
ep->cur_channels = fp->channels;
ep->cur_rate = params_rate(params);
@@ -681,6 +717,11 @@ snd_usb_endpoint_open(struct snd_usb_audio *chip,
ep->implicit_fb_sync);
} else {
+ if (WARN_ON(!ep->iface_ref)) {
+ ep = NULL;
+ goto unlock;
+ }
+
if (!endpoint_compatible(ep, fp, params)) {
usb_audio_err(chip, "Incompatible EP setup for 0x%x\n",
ep_num);
@@ -692,6 +733,9 @@ snd_usb_endpoint_open(struct snd_usb_audio *chip,
ep_num, ep->opened);
}
+ if (!ep->iface_ref->opened++)
+ ep->iface_ref->need_setup = true;
+
ep->opened++;
unlock:
@@ -760,12 +804,16 @@ void snd_usb_endpoint_close(struct snd_usb_audio *chip,
mutex_lock(&chip->mutex);
usb_audio_dbg(chip, "Closing EP 0x%x (count %d)\n",
ep->ep_num, ep->opened);
- if (!--ep->opened) {
+
+ if (!--ep->iface_ref->opened)
endpoint_set_interface(chip, ep, false);
+
+ if (!--ep->opened) {
ep->iface = 0;
ep->altsetting = 0;
ep->cur_audiofmt = NULL;
ep->cur_rate = 0;
+ ep->iface_ref = NULL;
usb_audio_dbg(chip, "EP 0x%x closed\n", ep->ep_num);
}
mutex_unlock(&chip->mutex);
@@ -775,6 +823,8 @@ void snd_usb_endpoint_close(struct snd_usb_audio *chip,
void snd_usb_endpoint_suspend(struct snd_usb_endpoint *ep)
{
ep->need_setup = true;
+ if (ep->iface_ref)
+ ep->iface_ref->need_setup = true;
}
/*
@@ -1195,11 +1245,22 @@ int snd_usb_endpoint_configure(struct snd_usb_audio *chip,
int err = 0;
mutex_lock(&chip->mutex);
+ if (WARN_ON(!ep->iface_ref))
+ goto unlock;
if (!ep->need_setup)
goto unlock;
- /* No need to (re-)configure the sync EP belonging to the same altset */
- if (ep->ep_idx) {
+ /* If the interface has been already set up, just set EP parameters */
+ if (!ep->iface_ref->need_setup) {
+ /* sample rate setup of UAC1 is per endpoint, and we need
+ * to update at each EP configuration
+ */
+ if (ep->cur_audiofmt->protocol == UAC_VERSION_1) {
+ err = snd_usb_init_sample_rate(chip, ep->cur_audiofmt,
+ ep->cur_rate);
+ if (err < 0)
+ goto unlock;
+ }
err = snd_usb_endpoint_set_params(chip, ep);
if (err < 0)
goto unlock;
@@ -1242,6 +1303,8 @@ int snd_usb_endpoint_configure(struct snd_usb_audio *chip,
goto unlock;
}
+ ep->iface_ref->need_setup = false;
+
done:
ep->need_setup = false;
err = 1;
@@ -1387,15 +1450,21 @@ void snd_usb_endpoint_release(struct snd_usb_endpoint *ep)
}
/**
- * snd_usb_endpoint_free: Free the resources of an snd_usb_endpoint
+ * snd_usb_endpoint_free_all: Free the resources of an snd_usb_endpoint
+ * @card: The chip
*
- * @ep: the endpoint to free
- *
- * This free all resources of the given ep.
+ * This free all endpoints and those resources
*/
-void snd_usb_endpoint_free(struct snd_usb_endpoint *ep)
+void snd_usb_endpoint_free_all(struct snd_usb_audio *chip)
{
- kfree(ep);
+ struct snd_usb_endpoint *ep, *en;
+ struct snd_usb_iface_ref *ip, *in;
+
+ list_for_each_entry_safe(ep, en, &chip->ep_list, list)
+ kfree(ep);
+
+ list_for_each_entry_safe(ip, in, &chip->iface_ref_list, list)
+ kfree(ip);
}
/*
diff --git a/sound/usb/endpoint.h b/sound/usb/endpoint.h
index 11e3bb839fd7..eea4ca49876d 100644
--- a/sound/usb/endpoint.h
+++ b/sound/usb/endpoint.h
@@ -42,7 +42,7 @@ void snd_usb_endpoint_sync_pending_stop(struct snd_usb_endpoint *ep);
void snd_usb_endpoint_suspend(struct snd_usb_endpoint *ep);
int snd_usb_endpoint_activate(struct snd_usb_endpoint *ep);
void snd_usb_endpoint_release(struct snd_usb_endpoint *ep);
-void snd_usb_endpoint_free(struct snd_usb_endpoint *ep);
+void snd_usb_endpoint_free_all(struct snd_usb_audio *chip);
int snd_usb_endpoint_implicit_feedback_sink(struct snd_usb_endpoint *ep);
int snd_usb_endpoint_next_packet_size(struct snd_usb_endpoint *ep,
diff --git a/sound/usb/implicit.c b/sound/usb/implicit.c
index 931042a6a051..521cc846d9d9 100644
--- a/sound/usb/implicit.c
+++ b/sound/usb/implicit.c
@@ -58,8 +58,6 @@ static const struct snd_usb_implicit_fb_match playback_implicit_fb_quirks[] = {
IMPLICIT_FB_FIXED_DEV(0x0499, 0x172f, 0x81, 2), /* Steinberg UR22C */
IMPLICIT_FB_FIXED_DEV(0x0d9a, 0x00df, 0x81, 2), /* RTX6001 */
IMPLICIT_FB_FIXED_DEV(0x22f0, 0x0006, 0x81, 3), /* Allen&Heath Qu-16 */
- IMPLICIT_FB_FIXED_DEV(0x2b73, 0x000a, 0x82, 0), /* Pioneer DJ DJM-900NXS2 */
- IMPLICIT_FB_FIXED_DEV(0x2b73, 0x0017, 0x82, 0), /* Pioneer DJ DJM-250MK2 */
IMPLICIT_FB_FIXED_DEV(0x1686, 0xf029, 0x82, 2), /* Zoom UAC-2 */
IMPLICIT_FB_FIXED_DEV(0x2466, 0x8003, 0x86, 2), /* Fractal Audio Axe-Fx II */
IMPLICIT_FB_FIXED_DEV(0x0499, 0x172a, 0x86, 2), /* Yamaha MODX */
@@ -100,7 +98,7 @@ static const struct snd_usb_implicit_fb_match capture_implicit_fb_quirks[] = {
/* set up sync EP information on the audioformat */
static int add_implicit_fb_sync_ep(struct snd_usb_audio *chip,
struct audioformat *fmt,
- int ep, int ifnum,
+ int ep, int ep_idx, int ifnum,
const struct usb_host_interface *alts)
{
struct usb_interface *iface;
@@ -115,7 +113,7 @@ static int add_implicit_fb_sync_ep(struct snd_usb_audio *chip,
fmt->sync_ep = ep;
fmt->sync_iface = ifnum;
fmt->sync_altsetting = alts->desc.bAlternateSetting;
- fmt->sync_ep_idx = 0;
+ fmt->sync_ep_idx = ep_idx;
fmt->implicit_fb = 1;
usb_audio_dbg(chip,
"%d:%d: added %s implicit_fb sync_ep %x, iface %d:%d\n",
@@ -147,7 +145,7 @@ static int add_generic_uac2_implicit_fb(struct snd_usb_audio *chip,
(epd->bmAttributes & USB_ENDPOINT_USAGE_MASK) !=
USB_ENDPOINT_USAGE_IMPLICIT_FB)
return 0;
- return add_implicit_fb_sync_ep(chip, fmt, epd->bEndpointAddress,
+ return add_implicit_fb_sync_ep(chip, fmt, epd->bEndpointAddress, 0,
ifnum, alts);
}
@@ -173,10 +171,33 @@ static int add_roland_implicit_fb(struct snd_usb_audio *chip,
(epd->bmAttributes & USB_ENDPOINT_USAGE_MASK) !=
USB_ENDPOINT_USAGE_IMPLICIT_FB)
return 0;
- return add_implicit_fb_sync_ep(chip, fmt, epd->bEndpointAddress,
+ return add_implicit_fb_sync_ep(chip, fmt, epd->bEndpointAddress, 0,
ifnum, alts);
}
+/* Playback and capture EPs on Pioneer devices share the same iface/altset,
+ * but they don't seem working with the implicit fb mode well, hence we
+ * just return as if the sync were already set up.
+ */
+static int skip_pioneer_sync_ep(struct snd_usb_audio *chip,
+ struct audioformat *fmt,
+ struct usb_host_interface *alts)
+{
+ struct usb_endpoint_descriptor *epd;
+
+ if (alts->desc.bNumEndpoints != 2)
+ return 0;
+
+ epd = get_endpoint(alts, 1);
+ if (!usb_endpoint_is_isoc_in(epd) ||
+ (epd->bmAttributes & USB_ENDPOINT_SYNCTYPE) != USB_ENDPOINT_SYNC_ASYNC ||
+ ((epd->bmAttributes & USB_ENDPOINT_USAGE_MASK) !=
+ USB_ENDPOINT_USAGE_DATA &&
+ (epd->bmAttributes & USB_ENDPOINT_USAGE_MASK) !=
+ USB_ENDPOINT_USAGE_IMPLICIT_FB))
+ return 0;
+ return 1; /* don't handle with the implicit fb, just skip sync EP */
+}
static int __add_generic_implicit_fb(struct snd_usb_audio *chip,
struct audioformat *fmt,
@@ -197,7 +218,7 @@ static int __add_generic_implicit_fb(struct snd_usb_audio *chip,
if (!usb_endpoint_is_isoc_in(epd) ||
(epd->bmAttributes & USB_ENDPOINT_SYNCTYPE) != USB_ENDPOINT_SYNC_ASYNC)
return 0;
- return add_implicit_fb_sync_ep(chip, fmt, epd->bEndpointAddress,
+ return add_implicit_fb_sync_ep(chip, fmt, epd->bEndpointAddress, 0,
iface, alts);
}
@@ -250,7 +271,7 @@ static int audioformat_implicit_fb_quirk(struct snd_usb_audio *chip,
case IMPLICIT_FB_NONE:
return 0; /* No quirk */
case IMPLICIT_FB_FIXED:
- return add_implicit_fb_sync_ep(chip, fmt, p->ep_num,
+ return add_implicit_fb_sync_ep(chip, fmt, p->ep_num, 0,
p->iface, NULL);
}
}
@@ -278,6 +299,14 @@ static int audioformat_implicit_fb_quirk(struct snd_usb_audio *chip,
return 1;
}
+ /* Pioneer devices with vendor spec class */
+ if (attr == USB_ENDPOINT_SYNC_ASYNC &&
+ alts->desc.bInterfaceClass == USB_CLASS_VENDOR_SPEC &&
+ USB_ID_VENDOR(chip->usb_id) == 0x2b73 /* Pioneer */) {
+ if (skip_pioneer_sync_ep(chip, fmt, alts))
+ return 1;
+ }
+
/* Try the generic implicit fb if available */
if (chip->generic_implicit_fb)
return add_generic_implicit_fb(chip, fmt, alts);
@@ -295,8 +324,8 @@ static int audioformat_capture_quirk(struct snd_usb_audio *chip,
p = find_implicit_fb_entry(chip, capture_implicit_fb_quirks, alts);
if (p && p->type == IMPLICIT_FB_FIXED)
- return add_implicit_fb_sync_ep(chip, fmt, p->ep_num, p->iface,
- NULL);
+ return add_implicit_fb_sync_ep(chip, fmt, p->ep_num, 0,
+ p->iface, NULL);
return 0;
}
@@ -378,20 +407,19 @@ snd_usb_find_implicit_fb_sync_format(struct snd_usb_audio *chip,
int stream)
{
struct snd_usb_substream *subs;
- const struct audioformat *fp, *sync_fmt;
+ const struct audioformat *fp, *sync_fmt = NULL;
int score, high_score;
- /* When sharing the same altset, use the original audioformat */
+ /* Use the original audioformat as fallback for the shared altset */
if (target->iface == target->sync_iface &&
target->altsetting == target->sync_altsetting)
- return target;
+ sync_fmt = target;
subs = find_matching_substream(chip, stream, target->sync_ep,
target->fmt_type);
if (!subs)
- return NULL;
+ return sync_fmt;
- sync_fmt = NULL;
high_score = 0;
list_for_each_entry(fp, &subs->fmt_list, list) {
score = match_endpoint_audioformats(subs, fp,
diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index 56079901769f..f71965bf815f 100644
--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -663,7 +663,7 @@ static int hw_check_valid_format(struct snd_usb_substream *subs,
check_fmts.bits[1] = (u32)(fp->formats >> 32);
snd_mask_intersect(&check_fmts, fmts);
if (snd_mask_empty(&check_fmts)) {
- hwc_debug(" > check: no supported format %d\n", fp->format);
+ hwc_debug(" > check: no supported format 0x%llx\n", fp->formats);
return 0;
}
/* check the channels */
@@ -775,24 +775,11 @@ static int hw_rule_channels(struct snd_pcm_hw_params *params,
return apply_hw_params_minmax(it, rmin, rmax);
}
-static int hw_rule_format(struct snd_pcm_hw_params *params,
- struct snd_pcm_hw_rule *rule)
+static int apply_hw_params_format_bits(struct snd_mask *fmt, u64 fbits)
{
- struct snd_usb_substream *subs = rule->private;
- const struct audioformat *fp;
- struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
- u64 fbits;
u32 oldbits[2];
int changed;
- hwc_debug("hw_rule_format: %x:%x\n", fmt->bits[0], fmt->bits[1]);
- fbits = 0;
- list_for_each_entry(fp, &subs->fmt_list, list) {
- if (!hw_check_valid_format(subs, params, fp))
- continue;
- fbits |= fp->formats;
- }
-
oldbits[0] = fmt->bits[0];
oldbits[1] = fmt->bits[1];
fmt->bits[0] &= (u32)fbits;
@@ -806,6 +793,24 @@ static int hw_rule_format(struct snd_pcm_hw_params *params,
return changed;
}
+static int hw_rule_format(struct snd_pcm_hw_params *params,
+ struct snd_pcm_hw_rule *rule)
+{
+ struct snd_usb_substream *subs = rule->private;
+ const struct audioformat *fp;
+ struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
+ u64 fbits;
+
+ hwc_debug("hw_rule_format: %x:%x\n", fmt->bits[0], fmt->bits[1]);
+ fbits = 0;
+ list_for_each_entry(fp, &subs->fmt_list, list) {
+ if (!hw_check_valid_format(subs, params, fp))
+ continue;
+ fbits |= fp->formats;
+ }
+ return apply_hw_params_format_bits(fmt, fbits);
+}
+
static int hw_rule_period_time(struct snd_pcm_hw_params *params,
struct snd_pcm_hw_rule *rule)
{
@@ -833,64 +838,92 @@ static int hw_rule_period_time(struct snd_pcm_hw_params *params,
return apply_hw_params_minmax(it, pmin, UINT_MAX);
}
-/* apply PCM hw constraints from the concurrent sync EP */
-static int apply_hw_constraint_from_sync(struct snd_pcm_runtime *runtime,
- struct snd_usb_substream *subs)
+/* get the EP or the sync EP for implicit fb when it's already set up */
+static const struct snd_usb_endpoint *
+get_sync_ep_from_substream(struct snd_usb_substream *subs)
{
struct snd_usb_audio *chip = subs->stream->chip;
- struct snd_usb_endpoint *ep;
const struct audioformat *fp;
- int err;
+ const struct snd_usb_endpoint *ep;
list_for_each_entry(fp, &subs->fmt_list, list) {
ep = snd_usb_get_endpoint(chip, fp->endpoint);
if (ep && ep->cur_rate)
- goto found;
+ return ep;
if (!fp->implicit_fb)
continue;
/* for the implicit fb, check the sync ep as well */
ep = snd_usb_get_endpoint(chip, fp->sync_ep);
if (ep && ep->cur_rate)
- goto found;
+ return ep;
}
- return 0;
+ return NULL;
+}
+
+/* additional hw constraints for implicit feedback mode */
+static int hw_rule_format_implicit_fb(struct snd_pcm_hw_params *params,
+ struct snd_pcm_hw_rule *rule)
+{
+ struct snd_usb_substream *subs = rule->private;
+ const struct snd_usb_endpoint *ep;
+ struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
- found:
- if (!find_format(&subs->fmt_list, ep->cur_format, ep->cur_rate,
- ep->cur_channels, false, NULL)) {
- usb_audio_dbg(chip, "EP 0x%x being used, but not applicable\n",
- ep->ep_num);
+ ep = get_sync_ep_from_substream(subs);
+ if (!ep)
return 0;
- }
- usb_audio_dbg(chip, "EP 0x%x being used, using fixed params:\n",
- ep->ep_num);
- usb_audio_dbg(chip, "rate=%d, period_size=%d, periods=%d\n",
- ep->cur_rate, ep->cur_period_frames,
- ep->cur_buffer_periods);
+ hwc_debug("applying %s\n", __func__);
+ return apply_hw_params_format_bits(fmt, pcm_format_to_bits(ep->cur_format));
+}
- runtime->hw.formats = subs->formats;
- runtime->hw.rate_min = runtime->hw.rate_max = ep->cur_rate;
- runtime->hw.rates = SNDRV_PCM_RATE_KNOT;
- runtime->hw.periods_min = runtime->hw.periods_max =
- ep->cur_buffer_periods;
+static int hw_rule_rate_implicit_fb(struct snd_pcm_hw_params *params,
+ struct snd_pcm_hw_rule *rule)
+{
+ struct snd_usb_substream *subs = rule->private;
+ const struct snd_usb_endpoint *ep;
+ struct snd_interval *it;
- err = snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
- hw_rule_channels, subs,
- SNDRV_PCM_HW_PARAM_FORMAT,
- SNDRV_PCM_HW_PARAM_RATE,
- -1);
- if (err < 0)
- return err;
+ ep = get_sync_ep_from_substream(subs);
+ if (!ep)
+ return 0;
- err = snd_pcm_hw_constraint_minmax(runtime,
- SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
- ep->cur_period_frames,
- ep->cur_period_frames);
- if (err < 0)
- return err;
+ hwc_debug("applying %s\n", __func__);
+ it = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
+ return apply_hw_params_minmax(it, ep->cur_rate, ep->cur_rate);
+}
+
+static int hw_rule_period_size_implicit_fb(struct snd_pcm_hw_params *params,
+ struct snd_pcm_hw_rule *rule)
+{
+ struct snd_usb_substream *subs = rule->private;
+ const struct snd_usb_endpoint *ep;
+ struct snd_interval *it;
- return 1; /* notify the finding */
+ ep = get_sync_ep_from_substream(subs);
+ if (!ep)
+ return 0;
+
+ hwc_debug("applying %s\n", __func__);
+ it = hw_param_interval(params, SNDRV_PCM_HW_PARAM_PERIOD_SIZE);
+ return apply_hw_params_minmax(it, ep->cur_period_frames,
+ ep->cur_period_frames);
+}
+
+static int hw_rule_periods_implicit_fb(struct snd_pcm_hw_params *params,
+ struct snd_pcm_hw_rule *rule)
+{
+ struct snd_usb_substream *subs = rule->private;
+ const struct snd_usb_endpoint *ep;
+ struct snd_interval *it;
+
+ ep = get_sync_ep_from_substream(subs);
+ if (!ep)
+ return 0;
+
+ hwc_debug("applying %s\n", __func__);
+ it = hw_param_interval(params, SNDRV_PCM_HW_PARAM_PERIODS);
+ return apply_hw_params_minmax(it, ep->cur_buffer_periods,
+ ep->cur_buffer_periods);
}
/*
@@ -899,20 +932,11 @@ static int apply_hw_constraint_from_sync(struct snd_pcm_runtime *runtime,
static int setup_hw_info(struct snd_pcm_runtime *runtime, struct snd_usb_substream *subs)
{
- struct snd_usb_audio *chip = subs->stream->chip;
const struct audioformat *fp;
unsigned int pt, ptmin;
int param_period_time_if_needed = -1;
int err;
- mutex_lock(&chip->mutex);
- err = apply_hw_constraint_from_sync(runtime, subs);
- mutex_unlock(&chip->mutex);
- if (err < 0)
- return err;
- if (err > 0) /* found the matching? */
- goto add_extra_rules;
-
runtime->hw.formats = subs->formats;
runtime->hw.rate_min = 0x7fffffff;
@@ -964,7 +988,6 @@ static int setup_hw_info(struct snd_pcm_runtime *runtime, struct snd_usb_substre
if (err < 0)
return err;
-add_extra_rules:
err = snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
hw_rule_channels, subs,
SNDRV_PCM_HW_PARAM_FORMAT,
@@ -993,6 +1016,28 @@ add_extra_rules:
return err;
}
+ /* additional hw constraints for implicit fb */
+ err = snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_FORMAT,
+ hw_rule_format_implicit_fb, subs,
+ SNDRV_PCM_HW_PARAM_FORMAT, -1);
+ if (err < 0)
+ return err;
+ err = snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
+ hw_rule_rate_implicit_fb, subs,
+ SNDRV_PCM_HW_PARAM_RATE, -1);
+ if (err < 0)
+ return err;
+ err = snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
+ hw_rule_period_size_implicit_fb, subs,
+ SNDRV_PCM_HW_PARAM_PERIOD_SIZE, -1);
+ if (err < 0)
+ return err;
+ err = snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_PERIODS,
+ hw_rule_periods_implicit_fb, subs,
+ SNDRV_PCM_HW_PARAM_PERIODS, -1);
+ if (err < 0)
+ return err;
+
return 0;
}
diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h
index 0e11cb96fa8c..c8a4bdf18207 100644
--- a/sound/usb/quirks-table.h
+++ b/sound/usb/quirks-table.h
@@ -3362,6 +3362,7 @@ AU0828_DEVICE(0x2040, 0x7270, "Hauppauge", "HVR-950Q"),
.altsetting = 1,
.altset_idx = 1,
.endpoint = 0x86,
+ .ep_idx = 1,
.ep_attr = USB_ENDPOINT_XFER_ISOC|
USB_ENDPOINT_SYNC_ASYNC|
USB_ENDPOINT_USAGE_IMPLICIT_FB,
@@ -3450,6 +3451,7 @@ AU0828_DEVICE(0x2040, 0x7270, "Hauppauge", "HVR-950Q"),
.altsetting = 1,
.altset_idx = 1,
.endpoint = 0x82,
+ .ep_idx = 1,
.ep_attr = USB_ENDPOINT_XFER_ISOC|
USB_ENDPOINT_SYNC_ASYNC|
USB_ENDPOINT_USAGE_IMPLICIT_FB,
@@ -3506,6 +3508,7 @@ AU0828_DEVICE(0x2040, 0x7270, "Hauppauge", "HVR-950Q"),
.altsetting = 1,
.altset_idx = 1,
.endpoint = 0x82,
+ .ep_idx = 1,
.ep_attr = USB_ENDPOINT_XFER_ISOC|
USB_ENDPOINT_SYNC_ASYNC|
USB_ENDPOINT_USAGE_IMPLICIT_FB,
@@ -3562,6 +3565,7 @@ AU0828_DEVICE(0x2040, 0x7270, "Hauppauge", "HVR-950Q"),
.altsetting = 1,
.altset_idx = 1,
.endpoint = 0x82,
+ .ep_idx = 1,
.ep_attr = USB_ENDPOINT_XFER_ISOC|
USB_ENDPOINT_SYNC_ASYNC|
USB_ENDPOINT_USAGE_IMPLICIT_FB,
@@ -3619,6 +3623,7 @@ AU0828_DEVICE(0x2040, 0x7270, "Hauppauge", "HVR-950Q"),
.altsetting = 1,
.altset_idx = 1,
.endpoint = 0x82,
+ .ep_idx = 1,
.ep_attr = USB_ENDPOINT_XFER_ISOC|
USB_ENDPOINT_SYNC_ASYNC|
USB_ENDPOINT_USAGE_IMPLICIT_FB,
@@ -3679,6 +3684,7 @@ AU0828_DEVICE(0x2040, 0x7270, "Hauppauge", "HVR-950Q"),
.altsetting = 1,
.altset_idx = 1,
.endpoint = 0x82,
+ .ep_idx = 1,
.ep_attr = USB_ENDPOINT_XFER_ISOC|
USB_ENDPOINT_SYNC_ASYNC|
USB_ENDPOINT_USAGE_IMPLICIT_FB,
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index e4a690bb4c99..e196e364cef1 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -120,6 +120,40 @@ static int create_standard_audio_quirk(struct snd_usb_audio *chip,
return 0;
}
+/* create the audio stream and the corresponding endpoints from the fixed
+ * audioformat object; this is used for quirks with the fixed EPs
+ */
+static int add_audio_stream_from_fixed_fmt(struct snd_usb_audio *chip,
+ struct audioformat *fp)
+{
+ int stream, err;
+
+ stream = (fp->endpoint & USB_DIR_IN) ?
+ SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK;
+
+ snd_usb_audioformat_set_sync_ep(chip, fp);
+
+ err = snd_usb_add_audio_stream(chip, stream, fp);
+ if (err < 0)
+ return err;
+
+ err = snd_usb_add_endpoint(chip, fp->endpoint,
+ SND_USB_ENDPOINT_TYPE_DATA);
+ if (err < 0)
+ return err;
+
+ if (fp->sync_ep) {
+ err = snd_usb_add_endpoint(chip, fp->sync_ep,
+ fp->implicit_fb ?
+ SND_USB_ENDPOINT_TYPE_DATA :
+ SND_USB_ENDPOINT_TYPE_SYNC);
+ if (err < 0)
+ return err;
+ }
+
+ return 0;
+}
+
/*
* create a stream for an endpoint/altsetting without proper descriptors
*/
@@ -131,8 +165,8 @@ static int create_fixed_stream_quirk(struct snd_usb_audio *chip,
struct audioformat *fp;
struct usb_host_interface *alts;
struct usb_interface_descriptor *altsd;
- int stream, err;
unsigned *rate_table = NULL;
+ int err;
fp = kmemdup(quirk->data, sizeof(*fp), GFP_KERNEL);
if (!fp)
@@ -153,11 +187,6 @@ static int create_fixed_stream_quirk(struct snd_usb_audio *chip,
fp->rate_table = rate_table;
}
- stream = (fp->endpoint & USB_DIR_IN)
- ? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK;
- err = snd_usb_add_audio_stream(chip, stream, fp);
- if (err < 0)
- goto error;
if (fp->iface != get_iface_desc(&iface->altsetting[0])->bInterfaceNumber ||
fp->altset_idx >= iface->num_altsetting) {
err = -EINVAL;
@@ -165,7 +194,7 @@ static int create_fixed_stream_quirk(struct snd_usb_audio *chip,
}
alts = &iface->altsetting[fp->altset_idx];
altsd = get_iface_desc(alts);
- if (altsd->bNumEndpoints < 1) {
+ if (altsd->bNumEndpoints <= fp->ep_idx) {
err = -EINVAL;
goto error;
}
@@ -175,7 +204,14 @@ static int create_fixed_stream_quirk(struct snd_usb_audio *chip,
if (fp->datainterval == 0)
fp->datainterval = snd_usb_parse_datainterval(chip, alts);
if (fp->maxpacksize == 0)
- fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize);
+ fp->maxpacksize = le16_to_cpu(get_endpoint(alts, fp->ep_idx)->wMaxPacketSize);
+ if (!fp->fmt_type)
+ fp->fmt_type = UAC_FORMAT_TYPE_I;
+
+ err = add_audio_stream_from_fixed_fmt(chip, fp);
+ if (err < 0)
+ goto error;
+
usb_set_interface(chip->dev, fp->iface, 0);
snd_usb_init_pitch(chip, fp);
snd_usb_init_sample_rate(chip, fp, fp->rate_max);
@@ -417,7 +453,7 @@ static int create_uaxx_quirk(struct snd_usb_audio *chip,
struct usb_host_interface *alts;
struct usb_interface_descriptor *altsd;
struct audioformat *fp;
- int stream, err;
+ int err;
/* both PCM and MIDI interfaces have 2 or more altsettings */
if (iface->num_altsetting < 2)
@@ -482,9 +518,7 @@ static int create_uaxx_quirk(struct snd_usb_audio *chip,
return -ENXIO;
}
- stream = (fp->endpoint & USB_DIR_IN)
- ? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK;
- err = snd_usb_add_audio_stream(chip, stream, fp);
+ err = add_audio_stream_from_fixed_fmt(chip, fp);
if (err < 0) {
list_del(&fp->list); /* unlink for avoiding double-free */
kfree(fp);
@@ -1436,30 +1470,6 @@ static void set_format_emu_quirk(struct snd_usb_substream *subs,
subs->pkt_offset_adj = (emu_samplerate_id >= EMU_QUIRK_SR_176400HZ) ? 4 : 0;
}
-
-/*
- * Pioneer DJ DJM-900NXS2
- * Device needs to know the sample rate each time substream is started
- */
-static int pioneer_djm_set_format_quirk(struct snd_usb_substream *subs)
-{
- unsigned int cur_rate = subs->data_endpoint->cur_rate;
- /* Convert sample rate value to little endian */
- u8 sr[3];
-
- sr[0] = cur_rate & 0xff;
- sr[1] = (cur_rate >> 8) & 0xff;
- sr[2] = (cur_rate >> 16) & 0xff;
-
- /* Configure device */
- usb_set_interface(subs->dev, 0, 1);
- snd_usb_ctl_msg(subs->stream->chip->dev,
- usb_rcvctrlpipe(subs->stream->chip->dev, 0),
- 0x01, 0x22, 0x0100, 0x0082, &sr, 0x0003);
-
- return 0;
-}
-
void snd_usb_set_format_quirk(struct snd_usb_substream *subs,
const struct audioformat *fmt)
{
@@ -1470,10 +1480,6 @@ void snd_usb_set_format_quirk(struct snd_usb_substream *subs,
case USB_ID(0x041e, 0x3f19): /* E-Mu 0204 USB */
set_format_emu_quirk(subs, fmt);
break;
- case USB_ID(0x2b73, 0x000a): /* Pioneer DJ DJM-900NXS2 */
- case USB_ID(0x2b73, 0x0017): /* Pioneer DJ DJM-250MK2 */
- pioneer_djm_set_format_quirk(subs);
- break;
case USB_ID(0x534d, 0x2109): /* MacroSilicon MS2109 */
subs->stream_offset_adj = 2;
break;
diff --git a/sound/usb/usbaudio.h b/sound/usb/usbaudio.h
index 980287aadd36..215c1771dd57 100644
--- a/sound/usb/usbaudio.h
+++ b/sound/usb/usbaudio.h
@@ -44,6 +44,7 @@ struct snd_usb_audio {
struct list_head pcm_list; /* list of pcm streams */
struct list_head ep_list; /* list of audio-related endpoints */
+ struct list_head iface_ref_list; /* list of interface refcounts */
int pcm_devs;
struct list_head midi_list; /* list of midi interfaces */