int channels;
int val_type;
int min, max, res;
+ int dBmin, dBmax;
int cached;
int cache_val[MAX_CHANNELS];
u8 initialized;
USB_PROC_DCR_RELEASE = 6,
};
+/*E-mu 0202(0404) eXtension Unit(XU) control*/
+enum {
+ USB_XU_CLOCK_RATE = 0xe301,
+ USB_XU_CLOCK_SOURCE = 0xe302,
+ USB_XU_DIGITAL_IO_STATUS = 0xe303,
+ USB_XU_DEVICE_OPTIONS = 0xe304,
+ USB_XU_DIRECT_MONITORING = 0xe305,
+ USB_XU_METERING = 0xe306
+};
+enum {
+ USB_XU_CLOCK_SOURCE_SELECTOR = 0x02, /* clock source*/
+ USB_XU_CLOCK_RATE_SELECTOR = 0x03, /* clock rate */
+ USB_XU_DIGITAL_FORMAT_SELECTOR = 0x01, /* the spdif format */
+ USB_XU_SOFT_LIMIT_SELECTOR = 0x03 /* soft limiter */
+};
/*
* manual mapping of mixer names
*/
#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;
- if (! state->map)
+ buflen--;
+ return strlcpy(buf, p->name, buflen);
+ }
+
+ /* 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)
{ USB_PROC_DCR, "DCR", dcr_proc_info },
{ 0 },
};
-
+/*
+ * predefined data for extension units
+ */
+static struct procunit_value_info clock_rate_xu_info[] = {
+ { USB_XU_CLOCK_RATE_SELECTOR, "Selector", USB_MIXER_U8, 0 },
+ { 0 }
+};
+static struct procunit_value_info clock_source_xu_info[] = {
+ { USB_XU_CLOCK_SOURCE_SELECTOR, "External", USB_MIXER_BOOLEAN },
+ { 0 }
+};
+static struct procunit_value_info spdif_format_xu_info[] = {
+ { USB_XU_DIGITAL_FORMAT_SELECTOR, "SPDIF/AC3", USB_MIXER_BOOLEAN },
+ { 0 }
+};
+static struct procunit_value_info soft_limit_xu_info[] = {
+ { USB_XU_SOFT_LIMIT_SELECTOR, " ", USB_MIXER_BOOLEAN },
+ { 0 }
+};
+static struct procunit_info extunits[] = {
+ { USB_XU_CLOCK_RATE, "Clock rate", clock_rate_xu_info },
+ { USB_XU_CLOCK_SOURCE, "DigitalIn CLK source", clock_source_xu_info },
+ { USB_XU_DIGITAL_IO_STATUS, "DigitalOut format:", spdif_format_xu_info },
+ { USB_XU_DEVICE_OPTIONS, "AnalogueIn Soft Limit", soft_limit_xu_info },
+ { 0 }
+};
/*
* build a processing/extension unit
*/
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) {
cval->max = dsc[15];
cval->res = 1;
cval->initialized = 1;
- } else
- get_min_max(cval, valinfo->min_value);
+ } else {
+ if (type == USB_XU_CLOCK_RATE) {
+ /* E-Mu USB 0404/0202/TrackerPre
+ * samplerate control quirk
+ */
+ cval->min = 0;
+ cval->max = 5;
+ cval->res = 1;
+ cval->initialized = 1;
+ } else
+ get_min_max(cval, valinfo->min_value);
+ }
kctl = snd_ctl_new1(&mixer_procunit_ctl, cval);
if (! kctl) {
}
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 {
static int parse_audio_extension_unit(struct mixer_build *state, int unitid, unsigned char *desc)
{
- return build_audio_procunit(state, unitid, desc, NULL, "Extension Unit");
+ return build_audio_procunit(state, unitid, desc, extunits, "Extension Unit");
}
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)
return 0;
}
+void snd_emuusb_set_samplerate(struct snd_usb_audio *chip,
+ unsigned char samplerate_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);
+ snd_usb_mixer_notify_id(mixer, unitid);
+ }
+ break;
+ }
+}
+
int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif,
int ignore_error)
{
git://ftp.safe.ca / safe / jmp / linux-2.6 / commitdiff