{ USB_ID(0x041e, 0x3048), 2, 2, 6, 6, 2, 0x6e91 }, /* Toshiba SB0500 */
};
+#define MAX_ID_ELEMS 256
+
struct usb_mixer_interface {
struct snd_usb_audio *chip;
unsigned int ctrlif;
struct list_head list;
unsigned int ignore_ctl_error;
struct urb *urb;
- struct usb_mixer_elem_info **id_elems; /* array[256], indexed by unit id */
+ /* array[MAX_ID_ELEMS], indexed by unit id */
+ struct usb_mixer_elem_info **id_elems;
/* Sound Blaster remote control stuff */
const struct rc_config *rc_cfg;
int channels;
int val_type;
int min, max, res;
+ int dBmin, dBmax;
int cached;
int cache_val[MAX_CHANNELS];
u8 initialized;
*/
#include "usbmixer_maps.c"
-/* get the mapped name if the unit matches */
-static int check_mapped_name(struct mixer_build *state, int unitid, int control, char *buf, int buflen)
+static const struct usbmix_name_map *
+find_map(struct mixer_build *state, int unitid, int control)
{
- const struct usbmix_name_map *p;
+ const struct usbmix_name_map *p = state->map;
- if (! state->map)
- return 0;
+ if (!p)
+ return NULL;
for (p = state->map; p->id; p++) {
- if (p->id == unitid && p->name &&
- (! control || ! p->control || control == p->control)) {
- buflen--;
- return strlcpy(buf, p->name, buflen);
- }
+ if (p->id == unitid &&
+ (!control || !p->control || control == p->control))
+ return p;
}
- return 0;
+ return NULL;
}
-/* check whether the control should be ignored */
-static int check_ignored_ctl(struct mixer_build *state, int unitid, int control)
+/* get the mapped name if the unit matches */
+static int
+check_mapped_name(const struct usbmix_name_map *p, char *buf, int buflen)
{
- const struct usbmix_name_map *p;
+ if (!p || !p->name)
+ return 0;
+
+ buflen--;
+ return strlcpy(buf, p->name, buflen);
+}
- if (! state->map)
+/* check whether the control should be ignored */
+static inline int
+check_ignored_ctl(const struct usbmix_name_map *p)
+{
+ if (!p || p->name || p->dB)
return 0;
- for (p = state->map; p->id; p++) {
- if (p->id == unitid && ! p->name &&
- (! control || ! p->control || control == p->control)) {
- /*
- printk(KERN_DEBUG "ignored control %d:%d\n",
- unitid, control);
- */
- return 1;
- }
+ return 1;
+}
+
+/* dB mapping */
+static inline void check_mapped_dB(const struct usbmix_name_map *p,
+ struct usb_mixer_elem_info *cval)
+{
+ if (p && p->dB) {
+ cval->dBmin = p->dB->min;
+ cval->dBmax = p->dB->max;
}
- return 0;
}
/* get the mapped selector source name */
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->max) * 100) / 256;
- if (scale[3] <= scale[2]) {
- /* something is wrong; assume it's either from/to 0dB */
- if (scale[2] < 0)
- scale[3] = 0;
- else if (scale[2] > 0)
- scale[2] = 0;
- else /* totally crap, return an error */
- return -EINVAL;
- }
+ scale[2] = cval->dBmin;
+ scale[3] = cval->dBmax;
if (copy_to_user(_tlv, scale, sizeof(scale)))
return -EFAULT;
return 0;
cval->min = default_min;
cval->max = cval->min + 1;
cval->res = 1;
+ cval->dBmin = cval->dBmax = 0;
if (cval->val_type == USB_MIXER_BOOLEAN ||
cval->val_type == USB_MIXER_INV_BOOLEAN) {
cval->initialized = 1;
}
+
+ /* USB descriptions contain the dB scale in 1/256 dB unit
+ * while ALSA TLV contains in 1/100 dB unit
+ */
+ cval->dBmin = (convert_signed_value(cval, cval->min) * 100) / 256;
+ cval->dBmax = (convert_signed_value(cval, cval->max) * 100) / 256;
+ if (cval->dBmin > cval->dBmax) {
+ /* something is wrong; assume it's either from/to 0dB */
+ if (cval->dBmin < 0)
+ cval->dBmax = 0;
+ else if (cval->dBmin > 0)
+ cval->dBmin = 0;
+ if (cval->dBmin > cval->dBmax) {
+ /* totally crap, return an error */
+ return -EINVAL;
+ }
+ }
+
return 0;
}
int nameid = desc[desc[0] - 1];
struct snd_kcontrol *kctl;
struct usb_mixer_elem_info *cval;
+ const struct usbmix_name_map *map;
control++; /* change from zero-based to 1-based value */
return;
}
- if (check_ignored_ctl(state, unitid, control))
+ map = find_map(state, unitid, control);
+ if (check_ignored_ctl(map))
return;
cval = kzalloc(sizeof(*cval), GFP_KERNEL);
}
kctl->private_free = usb_mixer_elem_free;
- len = check_mapped_name(state, unitid, control, kctl->id.name, sizeof(kctl->id.name));
+ len = check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name));
mapped_name = len != 0;
if (! len && nameid)
- len = snd_usb_copy_string_desc(state, nameid, kctl->id.name, sizeof(kctl->id.name));
+ len = snd_usb_copy_string_desc(state, nameid,
+ kctl->id.name, sizeof(kctl->id.name));
switch (control) {
case USB_FEATURE_MUTE:
kctl->vd[0].access |=
SNDRV_CTL_ELEM_ACCESS_TLV_READ |
SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
+ check_mapped_dB(map, cval);
}
break;
unsigned int num_outs = desc[5 + input_pins];
unsigned int i, len;
struct snd_kcontrol *kctl;
+ const struct usbmix_name_map *map;
- if (check_ignored_ctl(state, unitid, 0))
+ map = find_map(state, unitid, 0);
+ if (check_ignored_ctl(map))
return;
cval = kzalloc(sizeof(*cval), GFP_KERNEL);
}
kctl->private_free = usb_mixer_elem_free;
- len = check_mapped_name(state, unitid, 0, kctl->id.name, sizeof(kctl->id.name));
+ len = check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name));
if (! len)
len = get_term_name(state, iterm, kctl->id.name, sizeof(kctl->id.name), 0);
if (! len)
int i, err, nameid, type, len;
struct procunit_info *info;
struct procunit_value_info *valinfo;
+ const struct usbmix_name_map *map;
static struct procunit_value_info default_value_info[] = {
{ 0x01, "Switch", USB_MIXER_BOOLEAN },
{ 0 }
/* FIXME: bitmap might be longer than 8bit */
if (! (dsc[12 + num_ins] & (1 << (valinfo->control - 1))))
continue;
- if (check_ignored_ctl(state, unitid, valinfo->control))
+ map = find_map(state, unitid, valinfo->control);
+ if (check_ignored_ctl(map))
continue;
cval = kzalloc(sizeof(*cval), GFP_KERNEL);
if (! cval) {
}
kctl->private_free = usb_mixer_elem_free;
- if (check_mapped_name(state, unitid, cval->control, kctl->id.name, sizeof(kctl->id.name)))
- ;
+ if (check_mapped_name(map, kctl->id.name,
+ sizeof(kctl->id.name)))
+ /* nothing */ ;
else if (info->name)
strlcpy(kctl->id.name, info->name, sizeof(kctl->id.name));
else {
int err;
struct usb_mixer_elem_info *cval;
struct snd_kcontrol *kctl;
+ const struct usbmix_name_map *map;
char **namelist;
if (! num_ins || desc[0] < 5 + num_ins) {
if (num_ins == 1) /* only one ? nonsense! */
return 0;
- if (check_ignored_ctl(state, unitid, 0))
+ map = find_map(state, unitid, 0);
+ if (check_ignored_ctl(map))
return 0;
cval = kzalloc(sizeof(*cval), GFP_KERNEL);
kctl->private_free = usb_mixer_selector_elem_free;
nameid = desc[desc[0] - 1];
- len = check_mapped_name(state, unitid, 0, kctl->id.name, sizeof(kctl->id.name));
+ len = check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name));
if (len)
;
else if (nameid)
info->elem_id);
}
+static void snd_usb_mixer_dump_cval(struct snd_info_buffer *buffer,
+ int unitid,
+ struct usb_mixer_elem_info *cval)
+{
+ static char *val_types[] = {"BOOLEAN", "INV_BOOLEAN",
+ "S8", "U8", "S16", "U16"};
+ snd_iprintf(buffer, " Unit: %i\n", unitid);
+ if (cval->elem_id)
+ snd_iprintf(buffer, " Control: name=\"%s\", index=%i\n",
+ cval->elem_id->name, cval->elem_id->index);
+ snd_iprintf(buffer, " Info: id=%i, control=%i, cmask=0x%x, "
+ "channels=%i, type=\"%s\"\n", cval->id,
+ cval->control, cval->cmask, cval->channels,
+ val_types[cval->val_type]);
+ snd_iprintf(buffer, " Volume: min=%i, max=%i, dBmin=%i, dBmax=%i\n",
+ cval->min, cval->max, cval->dBmin, cval->dBmax);
+}
+
+static void snd_usb_mixer_proc_read(struct snd_info_entry *entry,
+ struct snd_info_buffer *buffer)
+{
+ struct snd_usb_audio *chip = entry->private_data;
+ struct usb_mixer_interface *mixer;
+ struct usb_mixer_elem_info *cval;
+ int unitid;
+
+ list_for_each_entry(mixer, &chip->mixer_list, list) {
+ snd_iprintf(buffer,
+ "USB Mixer: usb_id=0x%08x, ctrlif=%i, ctlerr=%i\n",
+ chip->usb_id, mixer->ctrlif,
+ mixer->ignore_ctl_error);
+ snd_iprintf(buffer, "Card: %s\n", chip->card->longname);
+ for (unitid = 0; unitid < MAX_ID_ELEMS; unitid++) {
+ for (cval = mixer->id_elems[unitid]; cval;
+ cval = cval->next_id_elem)
+ snd_usb_mixer_dump_cval(buffer, unitid, cval);
+ }
+ }
+}
+
static void snd_usb_mixer_memory_change(struct usb_mixer_interface *mixer,
int unitid)
{
}
void snd_emuusb_set_samplerate(struct snd_usb_audio *chip,
- unsigned char samplerate_id)
+ unsigned char samplerate_id)
{
- struct usb_mixer_interface *mixer;
- struct usb_mixer_elem_info *cval;
- int unitid = 12; /* SamleRate ExtensionUnit ID */
+ struct usb_mixer_interface *mixer;
+ struct usb_mixer_elem_info *cval;
+ int unitid = 12; /* SamleRate ExtensionUnit ID */
- list_for_each_entry(mixer, &chip->mixer_list, list) {
- cval = mixer->id_elems[unitid];
- if (cval) {
- set_cur_ctl_value(cval, cval->control << 8, samplerate_id);
+ list_for_each_entry(mixer, &chip->mixer_list, list) {
+ cval = mixer->id_elems[unitid];
+ if (cval) {
+ set_cur_ctl_value(cval, cval->control << 8,
+ samplerate_id);
snd_usb_mixer_notify_id(mixer, unitid);
- }
- break;
- }
+ }
+ break;
+ }
}
int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif,
.dev_free = snd_usb_mixer_dev_free
};
struct usb_mixer_interface *mixer;
+ struct snd_info_entry *entry;
int err;
strcpy(chip->card->mixername, "USB Mixer");
if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020) ||
mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
mixer->chip->usb_id == USB_ID(0x041e, 0x3048)) {
- struct snd_info_entry *entry;
-
if ((err = snd_audigy2nx_controls_create(mixer)) < 0)
goto _error;
if (!snd_card_proc_new(chip->card, "audigy2nx", &entry))
err = snd_device_new(chip->card, SNDRV_DEV_LOWLEVEL, mixer, &dev_ops);
if (err < 0)
goto _error;
+
+ if (list_empty(&chip->mixer_list) &&
+ !snd_card_proc_new(chip->card, "usbmixer", &entry))
+ snd_info_set_text_ops(entry, chip, snd_usb_mixer_proc_read);
+
list_add(&mixer->list, &chip->mixer_list);
return 0;
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff