#include <linux/slab.h>
#include <linux/string.h>
#include <linux/usb.h>
+#include <linux/moduleparam.h>
#include <sound/core.h>
#include <sound/info.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
-#define SNDRV_GET_ID
#include <sound/initval.h>
#include "usbaudio.h"
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 boot_devs;
-MODULE_PARM(index, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
+module_param_array(index, int, boot_devs, 0444);
MODULE_PARM_DESC(index, "Index value for the USB audio adapter.");
MODULE_PARM_SYNTAX(index, SNDRV_INDEX_DESC);
-MODULE_PARM(id, "1-" __MODULE_STRING(SNDRV_CARDS) "s");
+module_param_array(id, charp, boot_devs, 0444);
MODULE_PARM_DESC(id, "ID string for the USB audio adapter.");
MODULE_PARM_SYNTAX(id, SNDRV_ID_DESC);
-MODULE_PARM(enable, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
+module_param_array(enable, bool, boot_devs, 0444);
MODULE_PARM_DESC(enable, "Enable USB audio adapter.");
MODULE_PARM_SYNTAX(enable, SNDRV_ENABLE_DESC);
-MODULE_PARM(vid, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
+module_param_array(vid, int, boot_devs, 0444);
MODULE_PARM_DESC(vid, "Vendor ID for the USB audio device.");
MODULE_PARM_SYNTAX(vid, SNDRV_ENABLED ",allows:{{-1,0xffff}},base:16");
-MODULE_PARM(pid, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
+module_param_array(pid, int, boot_devs, 0444);
MODULE_PARM_DESC(pid, "Product ID for the USB audio device.");
MODULE_PARM_SYNTAX(pid, SNDRV_ENABLED ",allows:{{-1,0xffff}},base:16");
-MODULE_PARM(nrpacks, "i");
+module_param(nrpacks, int, 0444);
MODULE_PARM_DESC(nrpacks, "Max. number of packets per URB.");
MODULE_PARM_SYNTAX(nrpacks, SNDRV_ENABLED ",allows:{{1,10}}");
-MODULE_PARM(async_unlink, "i");
+module_param(async_unlink, bool, 0444);
MODULE_PARM_DESC(async_unlink, "Use async unlink mode.");
MODULE_PARM_SYNTAX(async_unlink, SNDRV_BOOLEAN_TRUE_DESC);
/* if endpoint has pitch control, enable it */
if (fmt->attributes & EP_CS_ATTR_PITCH_CONTROL) {
data[0] = 1;
- if ((err = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), SET_CUR,
+ if ((err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), SET_CUR,
USB_TYPE_CLASS|USB_RECIP_ENDPOINT|USB_DIR_OUT,
PITCH_CONTROL << 8, ep, data, 1, HZ)) < 0) {
snd_printk(KERN_ERR "%d:%d:%d: cannot set enable PITCH\n",
data[0] = rate;
data[1] = rate >> 8;
data[2] = rate >> 16;
- if ((err = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), SET_CUR,
+ if ((err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), SET_CUR,
USB_TYPE_CLASS|USB_RECIP_ENDPOINT|USB_DIR_OUT,
SAMPLING_FREQ_CONTROL << 8, ep, data, 3, HZ)) < 0) {
snd_printk(KERN_ERR "%d:%d:%d: cannot set freq %d to ep 0x%x\n",
dev->devnum, iface, fmt->altsetting, rate, ep);
return err;
}
- if ((err = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), GET_CUR,
+ if ((err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), GET_CUR,
USB_TYPE_CLASS|USB_RECIP_ENDPOINT|USB_DIR_IN,
SAMPLING_FREQ_CONTROL << 8, ep, data, 3, HZ)) < 0) {
snd_printk(KERN_ERR "%d:%d:%d: cannot get freq at ep 0x%x\n",
dev->devnum, fmt->iface, fmt->altsetting);
return -EIO;
}
- snd_printdd(KERN_INFO "setting usb interface %d:%d\n", fmt->iface, fmt->altset_idx);
+ snd_printdd(KERN_INFO "setting usb interface %d:%d\n", fmt->iface, fmt->altsetting);
subs->interface = fmt->iface;
subs->format = fmt->altset_idx;
}
return NULL;
}
+/*
+ * Wrapper for usb_control_msg().
+ * Allocates a temp buffer to prevent dmaing from/to the stack.
+ */
+int snd_usb_ctl_msg(struct usb_device *dev, unsigned int pipe, __u8 request,
+ __u8 requesttype, __u16 value, __u16 index, void *data,
+ __u16 size, int timeout)
+{
+ int err;
+ void *buf = NULL;
+
+ if (size > 0) {
+ buf = kmalloc(size, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+ memcpy(buf, data, size);
+ }
+ err = usb_control_msg(dev, pipe, request, requesttype,
+ value, index, buf, size, timeout);
+ if (size > 0) {
+ memcpy(data, buf, size);
+ kfree(buf);
+ }
+ return err;
+}
+
/*
* entry point for linux usb interface
struct audioformat *fp;
fp = list_entry(p, struct audioformat, list);
snd_iprintf(buffer, " Interface %d\n", fp->iface);
- snd_iprintf(buffer, " Altset %d\n", fp->altset_idx);
+ snd_iprintf(buffer, " Altset %d\n", fp->altsetting);
snd_iprintf(buffer, " Format: %s\n", snd_pcm_format_name(fp->format));
snd_iprintf(buffer, " Channels: %d\n", fp->channels);
snd_iprintf(buffer, " Endpoint: %d %s (%s)\n",
struct audioformat *fp;
struct usb_host_interface *alts;
int stream, err;
+ int *rate_table = NULL;
fp = kmalloc(sizeof(*fp), GFP_KERNEL);
if (! fp) {
return -ENOMEM;
}
memcpy(fp, quirk->data, sizeof(*fp));
+ if (fp->nr_rates > 0) {
+ rate_table = kmalloc(sizeof(int) * fp->nr_rates, GFP_KERNEL);
+ if (!rate_table) {
+ kfree(fp);
+ return -ENOMEM;
+ }
+ memcpy(rate_table, fp->rate_table, sizeof(int) * fp->nr_rates);
+ fp->rate_table = rate_table;
+ }
+
stream = (fp->endpoint & USB_DIR_IN)
? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK;
err = add_audio_endpoint(chip, stream, fp);
if (err < 0) {
kfree(fp);
+ if (rate_table)
+ kfree(rate_table);
return err;
}
if (fp->iface != get_iface_desc(&iface->altsetting[0])->bInterfaceNumber ||
fp->altset_idx >= iface->num_altsetting) {
kfree(fp);
+ if (rate_table)
+ kfree(rate_table);
return -EINVAL;
}
alts = &iface->altsetting[fp->altset_idx];
return 0;
}
+/*
+ * Create a stream for an Edirol UA-700 interface. The only way
+ * to detect the sample rate is by looking at wMaxPacketSize.
+ */
+static int create_ua700_quirk(snd_usb_audio_t *chip, struct usb_interface *iface)
+{
+ static const struct audioformat ua700_format = {
+ .format = SNDRV_PCM_FORMAT_S24_3LE,
+ .channels = 2,
+ .fmt_type = USB_FORMAT_TYPE_I,
+ .altsetting = 1,
+ .altset_idx = 1,
+ .rates = SNDRV_PCM_RATE_CONTINUOUS,
+ };
+ struct usb_host_interface *alts;
+ struct usb_interface_descriptor *altsd;
+ struct audioformat *fp;
+ int stream, err;
+
+ /* both PCM and MIDI interfaces have 2 altsettings */
+ if (iface->num_altsetting != 2)
+ return -ENXIO;
+ alts = &iface->altsetting[1];
+ altsd = get_iface_desc(alts);
+
+ if (altsd->bNumEndpoints == 2) {
+ static const snd_usb_midi_endpoint_info_t ep = {
+ .out_cables = 0x0003,
+ .in_cables = 0x0003
+ };
+ static const snd_usb_audio_quirk_t quirk = {
+ .type = QUIRK_MIDI_FIXED_ENDPOINT,
+ .data = &ep
+ };
+ return snd_usb_create_midi_interface(chip, iface, &quirk);
+ }
+
+ if (altsd->bNumEndpoints != 1)
+ return -ENXIO;
+
+ fp = kmalloc(sizeof(*fp), GFP_KERNEL);
+ if (!fp)
+ return -ENOMEM;
+ memcpy(fp, &ua700_format, sizeof(*fp));
+
+ fp->iface = altsd->bInterfaceNumber;
+ fp->endpoint = get_endpoint(alts, 0)->bEndpointAddress;
+ fp->ep_attr = get_endpoint(alts, 0)->bmAttributes;
+ fp->maxpacksize = get_endpoint(alts, 0)->wMaxPacketSize;
+
+ switch (fp->maxpacksize) {
+ case 0x120:
+ fp->rate_max = fp->rate_min = 44100;
+ break;
+ case 0x138:
+ fp->rate_max = fp->rate_min = 48000;
+ break;
+ case 0x258:
+ fp->rate_max = fp->rate_min = 96000;
+ break;
+ default:
+ snd_printk(KERN_ERR "unknown sample rate\n");
+ kfree(fp);
+ return -ENXIO;
+ }
+
+ stream = (fp->endpoint & USB_DIR_IN)
+ ? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK;
+ err = add_audio_endpoint(chip, stream, fp);
+ if (err < 0) {
+ kfree(fp);
+ return err;
+ }
+ usb_set_interface(chip->dev, fp->iface, 0);
+ return 0;
+}
+
static int snd_usb_create_quirk(snd_usb_audio_t *chip,
struct usb_interface *iface,
const snd_usb_audio_quirk_t *quirk);
get_cfg_desc(config)->wTotalLength == EXTIGY_FIRMWARE_SIZE_NEW) {
snd_printdd("sending Extigy boot sequence...\n");
/* Send message to force it to reconnect with full interface. */
- err = usb_control_msg(dev, usb_sndctrlpipe(dev,0),
+ err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev,0),
0x10, 0x43, 0x0001, 0x000a, NULL, 0, HZ);
if (err < 0) snd_printdd("error sending boot message: %d\n", err);
err = usb_get_descriptor(dev, USB_DT_DEVICE, 0,
case QUIRK_AUDIO_STANDARD_INTERFACE:
case QUIRK_MIDI_STANDARD_INTERFACE:
return create_standard_interface_quirk(chip, iface, quirk);
+ case QUIRK_AUDIO_EDIROL_UA700:
+ return create_ua700_quirk(chip, iface);
default:
snd_printd(KERN_ERR "invalid quirk type %d\n", quirk->type);
return -ENXIO;
module_init(snd_usb_audio_init);
module_exit(snd_usb_audio_cleanup);
-
-#ifndef MODULE
-/*
- * format is snd-usb-audio=enable,index,id,vid,pid
- */
-static int __init snd_usb_audio_module_setup(char* str)
-{
- static unsigned __initdata nr_dev = 0;
-
- if (nr_dev >= SNDRV_CARDS)
- return 0;
- (void)(get_option(&str, &enable[nr_dev]) == 2 &&
- get_option(&str, &index[nr_dev]) == 2 &&
- get_id(&str, &id[nr_dev]) == 2 &&
- get_option(&str, &vid[nr_dev]) == 2 &&
- get_option(&str, &pid[nr_dev]) == 2);
- ++nr_dev;
- return 1;
-}
-
-__setup("snd-usb-audio=", snd_usb_audio_module_setup);
-
-#endif /* !MODULE */
git://git.onelab.eu / linux-2.6.git / blobdiff