*
*/
-#include <sound/driver.h>
#include <linux/bitops.h>
#include <linux/init.h>
#include <linux/list.h>
#include <sound/control.h>
#include <sound/hwdep.h>
#include <sound/info.h>
+#include <sound/tlv.h>
#include "usbaudio.h"
/* ignore error from controls - for debugging */
/* #define IGNORE_CTL_ERROR */
+/*
+ * Sound Blaster remote control configuration
+ *
+ * format of remote control data:
+ * Extigy: xx 00
+ * Audigy 2 NX: 06 80 xx 00 00 00
+ * Live! 24-bit: 06 80 xx yy 22 83
+ */
+static const struct rc_config {
+ u32 usb_id;
+ u8 offset;
+ u8 length;
+ u8 packet_length;
+ u8 min_packet_length; /* minimum accepted length of the URB result */
+ u8 mute_mixer_id;
+ u32 mute_code;
+} rc_configs[] = {
+ { USB_ID(0x041e, 0x3000), 0, 1, 2, 1, 18, 0x0013 }, /* Extigy */
+ { USB_ID(0x041e, 0x3020), 2, 1, 6, 6, 18, 0x0013 }, /* Audigy 2 NX */
+ { USB_ID(0x041e, 0x3040), 2, 2, 6, 6, 2, 0x6e91 }, /* Live! 24-bit */
+};
+
struct usb_mixer_interface {
struct snd_usb_audio *chip;
unsigned int ctrlif;
struct usb_mixer_elem_info **id_elems; /* array[256], indexed by unit id */
/* Sound Blaster remote control stuff */
- enum {
- RC_NONE,
- RC_EXTIGY,
- RC_AUDIGY2NX,
- } rc_type;
+ const struct rc_config *rc_cfg;
unsigned long rc_hwdep_open;
u32 rc_code;
wait_queue_head_t rc_waitq;
request,
USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN,
validx, cval->mixer->ctrlif | (cval->id << 8),
- buf, val_len, 100) >= 0) {
+ buf, val_len, 100) >= val_len) {
*value_ret = convert_signed_value(cval, snd_usb_combine_bytes(buf, val_len));
return 0;
}
return set_ctl_value(cval, SET_CUR, (cval->control << 8) | channel, value);
}
+/*
+ * TLV callback for mixer volume controls
+ */
+static int mixer_vol_tlv(struct snd_kcontrol *kcontrol, int op_flag,
+ unsigned int size, unsigned int __user *_tlv)
+{
+ struct usb_mixer_elem_info *cval = kcontrol->private_data;
+ DECLARE_TLV_DB_SCALE(scale, 0, 0, 0);
+
+ if (size < sizeof(scale))
+ return -ENOMEM;
+ /* USB descriptions contain the dB scale in 1/256 dB unit
+ * while ALSA TLV contains in 1/100 dB unit
+ */
+ scale[2] = (convert_signed_value(cval, cval->min) * 100) / 256;
+ scale[3] = (convert_signed_value(cval, cval->res) * 100) / 256;
+ if (copy_to_user(_tlv, scale, sizeof(scale)))
+ return -EFAULT;
+ return 0;
+}
/*
* parser routines begin here...
}
strlcat(kctl->id.name + len, control == USB_FEATURE_MUTE ? " Switch" : " Volume",
sizeof(kctl->id.name));
+ if (control == USB_FEATURE_VOLUME) {
+ kctl->tlv.c = mixer_vol_tlv;
+ kctl->vd[0].access |=
+ SNDRV_CTL_ELEM_ACCESS_TLV_READ |
+ SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
+ }
break;
default:
struct usb_mixer_elem_info *cval = kcontrol->private_data;
char **itemlist = (char **)kcontrol->private_value;
- snd_assert(itemlist, return -EINVAL);
+ if (snd_BUG_ON(!itemlist))
+ return -EINVAL;
uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
uinfo->count = 1;
uinfo->value.enumerated.items = cval->max;
struct snd_kcontrol *kctl;
char **namelist;
- if (! num_ins || desc[0] < 6 + num_ins) {
+ if (! num_ins || desc[0] < 5 + num_ins) {
snd_printk(KERN_ERR "invalid SELECTOR UNIT descriptor %d\n", unitid);
return -EINVAL;
}
namelist[i] = kmalloc(MAX_ITEM_NAME_LEN, GFP_KERNEL);
if (! namelist[i]) {
snd_printk(KERN_ERR "cannot malloc\n");
- while (--i > 0)
+ while (i--)
kfree(namelist[i]);
kfree(namelist);
kfree(cval);
kfree(mixer->urb->transfer_buffer);
usb_free_urb(mixer->urb);
}
- if (mixer->rc_urb)
- usb_free_urb(mixer->rc_urb);
+ usb_free_urb(mixer->rc_urb);
kfree(mixer->rc_setup_packet);
kfree(mixer);
}
static void snd_usb_mixer_memory_change(struct usb_mixer_interface *mixer,
int unitid)
{
- if (mixer->rc_type == RC_NONE)
+ if (!mixer->rc_cfg)
return;
/* unit ids specific to Extigy/Audigy 2 NX: */
switch (unitid) {
case 19: /* speaker out jacks */
case 20: /* headphones out jack */
break;
+ /* live24ext: 4 = line-in jack */
+ case 3: /* hp-out jack (may actuate Mute) */
+ if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040))
+ snd_usb_mixer_notify_id(mixer, mixer->rc_cfg->mute_mixer_id);
+ break;
default:
snd_printd(KERN_DEBUG "memory change in unknown unit %d\n", unitid);
break;
}
}
-static void snd_usb_mixer_status_complete(struct urb *urb, struct pt_regs *regs)
+static void snd_usb_mixer_status_complete(struct urb *urb)
{
struct usb_mixer_interface *mixer = urb->context;
if (get_iface_desc(hostif)->bNumEndpoints < 1)
return 0;
ep = get_endpoint(hostif, 0);
- if ((ep->bEndpointAddress & USB_ENDPOINT_DIR_MASK) != USB_DIR_IN ||
- (ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_INT)
+ if (usb_endpoint_dir_out(ep) ||
+ usb_endpoint_type(ep) != USB_ENDPOINT_XFER_INT)
return 0;
- epnum = ep->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
+ epnum = usb_endpoint_num(ep);
buffer_length = le16_to_cpu(ep->wMaxPacketSize);
transfer_buffer = kmalloc(buffer_length, GFP_KERNEL);
if (!transfer_buffer)
return 0;
}
-static void snd_usb_soundblaster_remote_complete(struct urb *urb,
- struct pt_regs *regs)
+static void snd_usb_soundblaster_remote_complete(struct urb *urb)
{
struct usb_mixer_interface *mixer = urb->context;
- /*
- * format of remote control data:
- * Extigy: xx 00
- * Audigy 2 NX: 06 80 xx 00 00 00
- */
- int offset = mixer->rc_type == RC_EXTIGY ? 0 : 2;
+ const struct rc_config *rc = mixer->rc_cfg;
u32 code;
- if (urb->status < 0 || urb->actual_length <= offset)
+ if (urb->status < 0 || urb->actual_length < rc->min_packet_length)
return;
- code = mixer->rc_buffer[offset];
+
+ code = mixer->rc_buffer[rc->offset];
+ if (rc->length == 2)
+ code |= mixer->rc_buffer[rc->offset + 1] << 8;
+
/* the Mute button actually changes the mixer control */
- if (code == 13)
- snd_usb_mixer_notify_id(mixer, 18);
+ 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 int snd_usb_soundblaster_remote_init(struct usb_mixer_interface *mixer)
{
struct snd_hwdep *hwdep;
- int err, len;
+ int err, len, i;
- switch (mixer->chip->usb_id) {
- case USB_ID(0x041e, 0x3000):
- mixer->rc_type = RC_EXTIGY;
- len = 2;
- break;
- case USB_ID(0x041e, 0x3020):
- mixer->rc_type = RC_AUDIGY2NX;
- len = 6;
- break;
- default:
+ for (i = 0; i < ARRAY_SIZE(rc_configs); ++i)
+ if (rc_configs[i].usb_id == mixer->chip->usb_id)
+ break;
+ if (i >= ARRAY_SIZE(rc_configs))
return 0;
- }
+ mixer->rc_cfg = &rc_configs[i];
+ len = mixer->rc_cfg->packet_length;
+
init_waitqueue_head(&mixer->rc_waitq);
err = snd_hwdep_new(mixer->chip->card, "SB remote control", 0, &hwdep);
if (err < 0)
return 0;
}
-static int snd_audigy2nx_led_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
-{
- uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
- uinfo->count = 1;
- uinfo->value.integer.min = 0;
- uinfo->value.integer.max = 1;
- return 0;
-}
+#define snd_audigy2nx_led_info snd_ctl_boolean_mono_info
static int snd_audigy2nx_led_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
int i, err;
for (i = 0; i < ARRAY_SIZE(snd_audigy2nx_controls); ++i) {
+ if (i > 1 && /* Live24ext has 2 LEDs only */
+ mixer->chip->usb_id == USB_ID(0x041e, 0x3040))
+ break;
err = snd_ctl_add(mixer->chip->card,
snd_ctl_new1(&snd_audigy2nx_controls[i], mixer));
if (err < 0)
static void snd_audigy2nx_proc_read(struct snd_info_entry *entry,
struct snd_info_buffer *buffer)
{
- static const struct {
+ static const struct sb_jack {
int unitid;
const char *name;
- } jacks[] = {
+ } jacks_audigy2nx[] = {
{4, "dig in "},
{7, "line in"},
{19, "spk out"},
{20, "hph out"},
+ {-1, NULL}
+ }, jacks_live24ext[] = {
+ {4, "line in"}, /* &1=Line, &2=Mic*/
+ {3, "hph out"}, /* headphones */
+ {0, "RC "}, /* last command, 6 bytes see rc_config above */
+ {-1, NULL}
};
+ const struct sb_jack *jacks;
struct usb_mixer_interface *mixer = entry->private_data;
int i, err;
u8 buf[3];
snd_iprintf(buffer, "%s jacks\n\n", mixer->chip->card->shortname);
- for (i = 0; i < ARRAY_SIZE(jacks); ++i) {
+ if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020))
+ jacks = jacks_audigy2nx;
+ else if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040))
+ jacks = jacks_live24ext;
+ else
+ return;
+
+ for (i = 0; jacks[i].name; ++i) {
snd_iprintf(buffer, "%s: ", jacks[i].name);
err = snd_usb_ctl_msg(mixer->chip->dev,
usb_rcvctrlpipe(mixer->chip->dev, 0),
GET_MEM, USB_DIR_IN | USB_TYPE_CLASS |
USB_RECIP_INTERFACE, 0,
jacks[i].unitid << 8, buf, 3, 100);
- if (err == 3 && buf[0] == 3)
+ if (err == 3 && (buf[0] == 3 || buf[0] == 6))
snd_iprintf(buffer, "%02x %02x\n", buf[1], buf[2]);
else
snd_iprintf(buffer, "?\n");
}
}
-int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif)
+int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif,
+ int ignore_error)
{
static struct snd_device_ops dev_ops = {
.dev_free = snd_usb_mixer_dev_free
return -ENOMEM;
mixer->chip = chip;
mixer->ctrlif = ctrlif;
-#ifdef IGNORE_CTL_ERROR
- mixer->ignore_ctl_error = 1;
-#endif
+ mixer->ignore_ctl_error = ignore_error;
mixer->id_elems = kcalloc(256, sizeof(*mixer->id_elems), GFP_KERNEL);
if (!mixer->id_elems) {
kfree(mixer);
if ((err = snd_usb_soundblaster_remote_init(mixer)) < 0)
goto _error;
- if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020)) {
+ if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020) ||
+ mixer->chip->usb_id == USB_ID(0x041e, 0x3040)) {
struct snd_info_entry *entry;
if ((err = snd_audigy2nx_controls_create(mixer)) < 0)
struct usb_mixer_interface *mixer;
mixer = list_entry(p, struct usb_mixer_interface, list);
- if (mixer->urb)
- usb_kill_urb(mixer->urb);
- if (mixer->rc_urb)
- usb_kill_urb(mixer->rc_urb);
+ usb_kill_urb(mixer->urb);
+ usb_kill_urb(mixer->rc_urb);
}