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);
         }
 }