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-rw-r--r--sound/usb/usbaudio.c168
1 files changed, 128 insertions, 40 deletions
diff --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c
index d5013383fad7..4e614ac39f21 100644
--- a/sound/usb/usbaudio.c
+++ b/sound/usb/usbaudio.c
@@ -47,6 +47,7 @@
#include <linux/usb.h>
#include <linux/vmalloc.h>
#include <linux/moduleparam.h>
+#include <linux/mutex.h>
#include <sound/core.h>
#include <sound/info.h>
#include <sound/pcm.h>
@@ -69,6 +70,7 @@ static int vid[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS-1)] = -1 }; /* Vendor ID for
static int pid[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS-1)] = -1 }; /* Product ID for this card */
static int nrpacks = 4; /* max. number of packets per urb */
static int async_unlink = 1;
+static int device_setup[SNDRV_CARDS]; /* device parameter for this card*/
module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for the USB audio adapter.");
@@ -84,6 +86,8 @@ module_param(nrpacks, int, 0644);
MODULE_PARM_DESC(nrpacks, "Max. number of packets per URB.");
module_param(async_unlink, bool, 0444);
MODULE_PARM_DESC(async_unlink, "Use async unlink mode.");
+module_param_array(device_setup, int, NULL, 0444);
+MODULE_PARM_DESC(device_setup, "Specific device setup (if needed).");
/*
@@ -202,7 +206,7 @@ struct snd_usb_stream {
* the all interfaces on the same card as one sound device.
*/
-static DECLARE_MUTEX(register_mutex);
+static DEFINE_MUTEX(register_mutex);
static struct snd_usb_audio *usb_chip[SNDRV_CARDS];
@@ -475,6 +479,18 @@ static int retire_playback_sync_urb_hs(struct snd_usb_substream *subs,
return 0;
}
+/* determine the number of frames in the next packet */
+static int snd_usb_audio_next_packet_size(struct snd_usb_substream *subs)
+{
+ if (subs->fill_max)
+ return subs->maxframesize;
+ else {
+ subs->phase = (subs->phase & 0xffff)
+ + (subs->freqm << subs->datainterval);
+ return min(subs->phase >> 16, subs->maxframesize);
+ }
+}
+
/*
* Prepare urb for streaming before playback starts.
*
@@ -492,16 +508,7 @@ static int prepare_startup_playback_urb(struct snd_usb_substream *subs,
urb->dev = ctx->subs->dev;
urb->number_of_packets = subs->packs_per_ms;
for (i = 0; i < subs->packs_per_ms; ++i) {
- /* calculate the size of a packet */
- if (subs->fill_max)
- counts = subs->maxframesize; /* fixed */
- else {
- subs->phase = (subs->phase & 0xffff)
- + (subs->freqm << subs->datainterval);
- counts = subs->phase >> 16;
- if (counts > subs->maxframesize)
- counts = subs->maxframesize;
- }
+ counts = snd_usb_audio_next_packet_size(subs);
urb->iso_frame_desc[i].offset = offs * stride;
urb->iso_frame_desc[i].length = counts * stride;
offs += counts;
@@ -538,16 +545,7 @@ static int prepare_playback_urb(struct snd_usb_substream *subs,
urb->number_of_packets = 0;
spin_lock_irqsave(&subs->lock, flags);
for (i = 0; i < ctx->packets; i++) {
- /* calculate the size of a packet */
- if (subs->fill_max)
- counts = subs->maxframesize; /* fixed */
- else {
- subs->phase = (subs->phase & 0xffff)
- + (subs->freqm << subs->datainterval);
- counts = subs->phase >> 16;
- if (counts > subs->maxframesize)
- counts = subs->maxframesize;
- }
+ counts = snd_usb_audio_next_packet_size(subs);
/* set up descriptor */
urb->iso_frame_desc[i].offset = offs * stride;
urb->iso_frame_desc[i].length = counts * stride;
@@ -725,10 +723,9 @@ static int snd_pcm_alloc_vmalloc_buffer(struct snd_pcm_substream *subs, size_t s
static int snd_pcm_free_vmalloc_buffer(struct snd_pcm_substream *subs)
{
struct snd_pcm_runtime *runtime = subs->runtime;
- if (runtime->dma_area) {
- vfree(runtime->dma_area);
- runtime->dma_area = NULL;
- }
+
+ vfree(runtime->dma_area);
+ runtime->dma_area = NULL;
return 0;
}
@@ -779,6 +776,35 @@ static int deactivate_urbs(struct snd_usb_substream *subs, int force, int can_sl
}
+static const char *usb_error_string(int err)
+{
+ switch (err) {
+ case -ENODEV:
+ return "no device";
+ case -ENOENT:
+ return "endpoint not enabled";
+ case -EPIPE:
+ return "endpoint stalled";
+ case -ENOSPC:
+ return "not enough bandwidth";
+ case -ESHUTDOWN:
+ return "device disabled";
+ case -EHOSTUNREACH:
+ return "device suspended";
+#ifndef CONFIG_USB_EHCI_SPLIT_ISO
+ case -ENOSYS:
+ return "enable CONFIG_USB_EHCI_SPLIT_ISO to play through a hub";
+#endif
+ case -EINVAL:
+ case -EAGAIN:
+ case -EFBIG:
+ case -EMSGSIZE:
+ return "internal error";
+ default:
+ return "unknown error";
+ }
+}
+
/*
* set up and start data/sync urbs
*/
@@ -811,16 +837,22 @@ static int start_urbs(struct snd_usb_substream *subs, struct snd_pcm_runtime *ru
subs->unlink_mask = 0;
subs->running = 1;
for (i = 0; i < subs->nurbs; i++) {
- if ((err = usb_submit_urb(subs->dataurb[i].urb, GFP_ATOMIC)) < 0) {
- snd_printk(KERN_ERR "cannot submit datapipe for urb %d, err = %d\n", i, err);
+ err = usb_submit_urb(subs->dataurb[i].urb, GFP_ATOMIC);
+ if (err < 0) {
+ snd_printk(KERN_ERR "cannot submit datapipe "
+ "for urb %d, error %d: %s\n",
+ i, err, usb_error_string(err));
goto __error;
}
set_bit(i, &subs->active_mask);
}
if (subs->syncpipe) {
for (i = 0; i < SYNC_URBS; i++) {
- if ((err = usb_submit_urb(subs->syncurb[i].urb, GFP_ATOMIC)) < 0) {
- snd_printk(KERN_ERR "cannot submit syncpipe for urb %d, err = %d\n", i, err);
+ err = usb_submit_urb(subs->syncurb[i].urb, GFP_ATOMIC);
+ if (err < 0) {
+ snd_printk(KERN_ERR "cannot submit syncpipe "
+ "for urb %d, error %d: %s\n",
+ i, err, usb_error_string(err));
goto __error;
}
set_bit(i + 16, &subs->active_mask);
@@ -1390,8 +1422,8 @@ static int snd_usb_hw_params(struct snd_pcm_substream *substream,
channels = params_channels(hw_params);
fmt = find_format(subs, format, rate, channels);
if (! fmt) {
- snd_printd(KERN_DEBUG "cannot set format: format = %s, rate = %d, channels = %d\n",
- snd_pcm_format_name(format), rate, channels);
+ snd_printd(KERN_DEBUG "cannot set format: format = 0x%x, rate = %d, channels = %d\n",
+ format, rate, channels);
return -EINVAL;
}
@@ -2017,6 +2049,8 @@ static struct usb_driver usb_audio_driver = {
};
+#if defined(CONFIG_PROCFS) && defined(CONFIG_SND_VERBOSE_PROCFS)
+
/*
* proc interface for list the supported pcm formats
*/
@@ -2032,7 +2066,7 @@ static void proc_dump_substream_formats(struct snd_usb_substream *subs, struct s
fp = list_entry(p, struct audioformat, list);
snd_iprintf(buffer, " Interface %d\n", fp->iface);
snd_iprintf(buffer, " Altset %d\n", fp->altsetting);
- snd_iprintf(buffer, " Format: %s\n", snd_pcm_format_name(fp->format));
+ snd_iprintf(buffer, " Format: 0x%x\n", fp->format);
snd_iprintf(buffer, " Channels: %d\n", fp->channels);
snd_iprintf(buffer, " Endpoint: %d %s (%s)\n",
fp->endpoint & USB_ENDPOINT_NUMBER_MASK,
@@ -2107,6 +2141,13 @@ static void proc_pcm_format_add(struct snd_usb_stream *stream)
snd_info_set_text_ops(entry, stream, 1024, proc_pcm_format_read);
}
+#else
+
+static inline void proc_pcm_format_add(struct snd_usb_stream *stream)
+{
+}
+
+#endif
/*
* initialize the substream instance.
@@ -2509,6 +2550,8 @@ static int parse_audio_format(struct snd_usb_audio *chip, struct audioformat *fp
return 0;
}
+static int audiophile_skip_setting_quirk(struct snd_usb_audio *chip,
+ int iface, int altno);
static int parse_audio_endpoints(struct snd_usb_audio *chip, int iface_no)
{
struct usb_device *dev;
@@ -2543,6 +2586,12 @@ static int parse_audio_endpoints(struct snd_usb_audio *chip, int iface_no)
stream = (get_endpoint(alts, 0)->bEndpointAddress & USB_DIR_IN) ?
SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK;
altno = altsd->bAlternateSetting;
+
+ /* audiophile usb: skip altsets incompatible with device_setup
+ */
+ if (chip->usb_id == USB_ID(0x0763, 0x2003) &&
+ audiophile_skip_setting_quirk(chip, iface_no, altno))
+ continue;
/* get audio formats */
fmt = snd_usb_find_csint_desc(alts->extra, alts->extralen, NULL, AS_GENERAL);
@@ -2637,7 +2686,7 @@ static int parse_audio_endpoints(struct snd_usb_audio *chip, int iface_no)
continue;
}
- snd_printdd(KERN_INFO "%d:%u:%d: add audio endpoint 0x%x\n", dev->devnum, iface_no, i, fp->endpoint);
+ snd_printdd(KERN_INFO "%d:%u:%d: add audio endpoint 0x%x\n", dev->devnum, iface_no, altno, fp->endpoint);
err = add_audio_endpoint(chip, stream, fp);
if (err < 0) {
kfree(fp->rate_table);
@@ -3045,6 +3094,45 @@ static int snd_usb_audigy2nx_boot_quirk(struct usb_device *dev)
return 0;
}
+/*
+ * Setup quirks
+ */
+#define AUDIOPHILE_SET 0x01 /* if set, parse device_setup */
+#define AUDIOPHILE_SET_DTS 0x02 /* if set, enable DTS Digital Output */
+#define AUDIOPHILE_SET_96K 0x04 /* 48-96KHz rate if set, 8-48KHz otherwise */
+#define AUDIOPHILE_SET_24B 0x08 /* 24bits sample if set, 16bits otherwise */
+#define AUDIOPHILE_SET_DI 0x10 /* if set, enable Digital Input */
+#define AUDIOPHILE_SET_MASK 0x1F /* bit mask for setup value */
+#define AUDIOPHILE_SET_24B_48K_DI 0x19 /* value for 24bits+48KHz+Digital Input */
+#define AUDIOPHILE_SET_24B_48K_NOTDI 0x09 /* value for 24bits+48KHz+No Digital Input */
+#define AUDIOPHILE_SET_16B_48K_DI 0x11 /* value for 16bits+48KHz+Digital Input */
+#define AUDIOPHILE_SET_16B_48K_NOTDI 0x01 /* value for 16bits+48KHz+No Digital Input */
+
+static int audiophile_skip_setting_quirk(struct snd_usb_audio *chip,
+ int iface, int altno)
+{
+ if (device_setup[chip->index] & AUDIOPHILE_SET) {
+ if ((device_setup[chip->index] & AUDIOPHILE_SET_DTS)
+ && altno != 6)
+ return 1; /* skip this altsetting */
+ if ((device_setup[chip->index] & AUDIOPHILE_SET_96K)
+ && altno != 1)
+ return 1; /* skip this altsetting */
+ if ((device_setup[chip->index] & AUDIOPHILE_SET_MASK) ==
+ AUDIOPHILE_SET_24B_48K_DI && altno != 2)
+ return 1; /* skip this altsetting */
+ if ((device_setup[chip->index] & AUDIOPHILE_SET_MASK) ==
+ AUDIOPHILE_SET_24B_48K_NOTDI && altno != 3)
+ return 1; /* skip this altsetting */
+ if ((device_setup[chip->index] & AUDIOPHILE_SET_MASK) ==
+ AUDIOPHILE_SET_16B_48K_DI && altno != 4)
+ return 1; /* skip this altsetting */
+ if ((device_setup[chip->index] & AUDIOPHILE_SET_MASK) ==
+ AUDIOPHILE_SET_16B_48K_NOTDI && altno != 5)
+ return 1; /* skip this altsetting */
+ }
+ return 0; /* keep this altsetting */
+}
/*
* audio-interface quirks
@@ -3070,7 +3158,7 @@ static int snd_usb_create_quirk(struct snd_usb_audio *chip,
[QUIRK_MIDI_NOVATION] = snd_usb_create_midi_interface,
[QUIRK_MIDI_RAW] = snd_usb_create_midi_interface,
[QUIRK_MIDI_EMAGIC] = snd_usb_create_midi_interface,
- [QUIRK_MIDI_MIDITECH] = snd_usb_create_midi_interface,
+ [QUIRK_MIDI_CME] = snd_usb_create_midi_interface,
[QUIRK_AUDIO_STANDARD_INTERFACE] = create_standard_audio_quirk,
[QUIRK_AUDIO_FIXED_ENDPOINT] = create_fixed_stream_quirk,
[QUIRK_AUDIO_EDIROL_UA700_UA25] = create_ua700_ua25_quirk,
@@ -3282,7 +3370,7 @@ static void *snd_usb_audio_probe(struct usb_device *dev,
/* check whether it's already registered */
chip = NULL;
- down(&register_mutex);
+ mutex_lock(&register_mutex);
for (i = 0; i < SNDRV_CARDS; i++) {
if (usb_chip[i] && usb_chip[i]->dev == dev) {
if (usb_chip[i]->shutdown) {
@@ -3335,13 +3423,13 @@ static void *snd_usb_audio_probe(struct usb_device *dev,
usb_chip[chip->index] = chip;
chip->num_interfaces++;
- up(&register_mutex);
+ mutex_unlock(&register_mutex);
return chip;
__error:
if (chip && !chip->num_interfaces)
snd_card_free(chip->card);
- up(&register_mutex);
+ mutex_unlock(&register_mutex);
__err_val:
return NULL;
}
@@ -3361,7 +3449,7 @@ static void snd_usb_audio_disconnect(struct usb_device *dev, void *ptr)
chip = ptr;
card = chip->card;
- down(&register_mutex);
+ mutex_lock(&register_mutex);
chip->shutdown = 1;
chip->num_interfaces--;
if (chip->num_interfaces <= 0) {
@@ -3379,10 +3467,10 @@ static void snd_usb_audio_disconnect(struct usb_device *dev, void *ptr)
snd_usb_mixer_disconnect(p);
}
usb_chip[chip->index] = NULL;
- up(&register_mutex);
+ mutex_unlock(&register_mutex);
snd_card_free(card);
} else {
- up(&register_mutex);
+ mutex_unlock(&register_mutex);
}
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.