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Diffstat (limited to 'sound/usb/usbmixer.c')
-rw-r--r--sound/usb/usbmixer.c371
1 files changed, 264 insertions, 107 deletions
diff --git a/sound/usb/usbmixer.c b/sound/usb/usbmixer.c
index c998220b99c6..8e8f871b74ca 100644
--- a/sound/usb/usbmixer.c
+++ b/sound/usb/usbmixer.c
@@ -32,6 +32,8 @@
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/usb.h>
+#include <linux/usb/audio.h>
+
#include <sound/core.h>
#include <sound/control.h>
#include <sound/hwdep.h>
@@ -69,13 +71,16 @@ static const struct rc_config {
{ 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;
@@ -105,7 +110,7 @@ struct mixer_build {
struct usb_mixer_interface *mixer;
unsigned char *buffer;
unsigned int buflen;
- DECLARE_BITMAP(unitbitmap, 256);
+ DECLARE_BITMAP(unitbitmap, MAX_ID_ELEMS);
struct usb_audio_term oterm;
const struct usbmix_name_map *map;
const struct usbmix_selector_map *selector_map;
@@ -123,6 +128,7 @@ struct usb_mixer_elem_info {
int channels;
int val_type;
int min, max, res;
+ int dBmin, dBmax;
int cached;
int cache_val[MAX_CHANNELS];
u8 initialized;
@@ -186,6 +192,21 @@ enum {
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
@@ -194,42 +215,50 @@ enum {
*/
#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 */
@@ -257,7 +286,7 @@ static void *find_audio_control_unit(struct mixer_build *state, unsigned char un
p = NULL;
while ((p = snd_usb_find_desc(state->buffer, state->buflen, p,
USB_DT_CS_INTERFACE)) != NULL) {
- if (p[0] >= 4 && p[2] >= INPUT_TERMINAL && p[2] <= EXTENSION_UNIT && p[3] == unit)
+ if (p[0] >= 4 && p[2] >= UAC_INPUT_TERMINAL && p[2] <= UAC_EXTENSION_UNIT_V1 && p[3] == unit)
return p;
}
return NULL;
@@ -378,14 +407,14 @@ static int get_ctl_value(struct usb_mixer_elem_info *cval, int request, int vali
static int get_cur_ctl_value(struct usb_mixer_elem_info *cval, int validx, int *value)
{
- return get_ctl_value(cval, GET_CUR, validx, value);
+ return get_ctl_value(cval, UAC_GET_CUR, validx, value);
}
/* channel = 0: master, 1 = first channel */
static inline int get_cur_mix_raw(struct usb_mixer_elem_info *cval,
int channel, int *value)
{
- return get_ctl_value(cval, GET_CUR, (cval->control << 8) | channel, value);
+ return get_ctl_value(cval, UAC_GET_CUR, (cval->control << 8) | channel, value);
}
static int get_cur_mix_value(struct usb_mixer_elem_info *cval,
@@ -439,14 +468,14 @@ static int set_ctl_value(struct usb_mixer_elem_info *cval, int request, int vali
static int set_cur_ctl_value(struct usb_mixer_elem_info *cval, int validx, int value)
{
- return set_ctl_value(cval, SET_CUR, validx, value);
+ return set_ctl_value(cval, UAC_SET_CUR, validx, value);
}
static int set_cur_mix_value(struct usb_mixer_elem_info *cval, int channel,
int index, int value)
{
int err;
- err = set_ctl_value(cval, SET_CUR, (cval->control << 8) | channel,
+ err = set_ctl_value(cval, UAC_SET_CUR, (cval->control << 8) | channel,
value);
if (err < 0)
return err;
@@ -466,20 +495,8 @@ static int mixer_vol_tlv(struct snd_kcontrol *kcontrol, int op_flag,
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;
@@ -588,13 +605,13 @@ static int get_term_name(struct mixer_build *state, struct usb_audio_term *iterm
if (term_only)
return 0;
switch (iterm->type >> 16) {
- case SELECTOR_UNIT:
+ case UAC_SELECTOR_UNIT:
strcpy(name, "Selector"); return 8;
- case PROCESSING_UNIT:
+ case UAC_PROCESSING_UNIT_V1:
strcpy(name, "Process Unit"); return 12;
- case EXTENSION_UNIT:
+ case UAC_EXTENSION_UNIT_V1:
strcpy(name, "Ext Unit"); return 8;
- case MIXER_UNIT:
+ case UAC_MIXER_UNIT:
strcpy(name, "Mixer"); return 5;
default:
return sprintf(name, "Unit %d", iterm->id);
@@ -633,22 +650,22 @@ static int check_input_term(struct mixer_build *state, int id, struct usb_audio_
while ((p1 = find_audio_control_unit(state, id)) != NULL) {
term->id = id;
switch (p1[2]) {
- case INPUT_TERMINAL:
+ case UAC_INPUT_TERMINAL:
term->type = combine_word(p1 + 4);
term->channels = p1[7];
term->chconfig = combine_word(p1 + 8);
term->name = p1[11];
return 0;
- case FEATURE_UNIT:
+ case UAC_FEATURE_UNIT:
id = p1[4];
break; /* continue to parse */
- case MIXER_UNIT:
+ case UAC_MIXER_UNIT:
term->type = p1[2] << 16; /* virtual type */
term->channels = p1[5 + p1[4]];
term->chconfig = combine_word(p1 + 6 + p1[4]);
term->name = p1[p1[0] - 1];
return 0;
- case SELECTOR_UNIT:
+ case UAC_SELECTOR_UNIT:
/* call recursively to retrieve the channel info */
if (check_input_term(state, p1[5], term) < 0)
return -ENODEV;
@@ -656,8 +673,8 @@ static int check_input_term(struct mixer_build *state, int id, struct usb_audio_
term->id = id;
term->name = p1[9 + p1[0] - 1];
return 0;
- case PROCESSING_UNIT:
- case EXTENSION_UNIT:
+ case UAC_PROCESSING_UNIT_V1:
+ case UAC_EXTENSION_UNIT_V1:
if (p1[6] == 1) {
id = p1[7];
break; /* continue to parse */
@@ -720,6 +737,7 @@ static int get_min_max(struct usb_mixer_elem_info *cval, int default_min)
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) {
@@ -734,23 +752,23 @@ static int get_min_max(struct usb_mixer_elem_info *cval, int default_min)
break;
}
}
- if (get_ctl_value(cval, GET_MAX, (cval->control << 8) | minchn, &cval->max) < 0 ||
- get_ctl_value(cval, GET_MIN, (cval->control << 8) | minchn, &cval->min) < 0) {
+ if (get_ctl_value(cval, UAC_GET_MAX, (cval->control << 8) | minchn, &cval->max) < 0 ||
+ get_ctl_value(cval, UAC_GET_MIN, (cval->control << 8) | minchn, &cval->min) < 0) {
snd_printd(KERN_ERR "%d:%d: cannot get min/max values for control %d (id %d)\n",
cval->id, cval->mixer->ctrlif, cval->control, cval->id);
return -EINVAL;
}
- if (get_ctl_value(cval, GET_RES, (cval->control << 8) | minchn, &cval->res) < 0) {
+ if (get_ctl_value(cval, UAC_GET_RES, (cval->control << 8) | minchn, &cval->res) < 0) {
cval->res = 1;
} else {
int last_valid_res = cval->res;
while (cval->res > 1) {
- if (set_ctl_value(cval, SET_RES, (cval->control << 8) | minchn, cval->res / 2) < 0)
+ if (set_ctl_value(cval, UAC_SET_RES, (cval->control << 8) | minchn, cval->res / 2) < 0)
break;
cval->res /= 2;
}
- if (get_ctl_value(cval, GET_RES, (cval->control << 8) | minchn, &cval->res) < 0)
+ if (get_ctl_value(cval, UAC_GET_RES, (cval->control << 8) | minchn, &cval->res) < 0)
cval->res = last_valid_res;
}
if (cval->res == 0)
@@ -787,6 +805,24 @@ static int get_min_max(struct usb_mixer_elem_info *cval, int default_min)
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;
}
@@ -912,6 +948,7 @@ static void build_feature_ctl(struct mixer_build *state, unsigned char *desc,
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 */
@@ -920,7 +957,8 @@ static void build_feature_ctl(struct mixer_build *state, unsigned char *desc,
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);
@@ -954,10 +992,11 @@ static void build_feature_ctl(struct mixer_build *state, unsigned char *desc,
}
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:
@@ -995,6 +1034,7 @@ static void build_feature_ctl(struct mixer_build *state, unsigned char *desc,
kctl->vd[0].access |=
SNDRV_CTL_ELEM_ACCESS_TLV_READ |
SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
+ check_mapped_dB(map, cval);
}
break;
@@ -1048,29 +1088,30 @@ static void build_feature_ctl(struct mixer_build *state, unsigned char *desc,
*
* most of controlls are defined here.
*/
-static int parse_audio_feature_unit(struct mixer_build *state, int unitid, unsigned char *ftr)
+static int parse_audio_feature_unit(struct mixer_build *state, int unitid, void *_ftr)
{
int channels, i, j;
struct usb_audio_term iterm;
unsigned int master_bits, first_ch_bits;
int err, csize;
+ struct uac_feature_unit_descriptor *ftr = _ftr;
- if (ftr[0] < 7 || ! (csize = ftr[5]) || ftr[0] < 7 + csize) {
- snd_printk(KERN_ERR "usbaudio: unit %u: invalid FEATURE_UNIT descriptor\n", unitid);
+ if (ftr->bLength < 7 || ! (csize = ftr->bControlSize) || ftr->bLength < 7 + csize) {
+ snd_printk(KERN_ERR "usbaudio: unit %u: invalid UAC_FEATURE_UNIT descriptor\n", unitid);
return -EINVAL;
}
/* parse the source unit */
- if ((err = parse_audio_unit(state, ftr[4])) < 0)
+ if ((err = parse_audio_unit(state, ftr->bSourceID)) < 0)
return err;
/* determine the input source type and name */
- if (check_input_term(state, ftr[4], &iterm) < 0)
+ if (check_input_term(state, ftr->bSourceID, &iterm) < 0)
return -EINVAL;
- channels = (ftr[0] - 7) / csize - 1;
+ channels = (ftr->bLength - 7) / csize - 1;
- master_bits = snd_usb_combine_bytes(ftr + 6, csize);
+ master_bits = snd_usb_combine_bytes(ftr->controls, csize);
/* master configuration quirks */
switch (state->chip->usb_id) {
case USB_ID(0x08bb, 0x2702):
@@ -1081,21 +1122,21 @@ static int parse_audio_feature_unit(struct mixer_build *state, int unitid, unsig
break;
}
if (channels > 0)
- first_ch_bits = snd_usb_combine_bytes(ftr + 6 + csize, csize);
+ first_ch_bits = snd_usb_combine_bytes(ftr->controls + csize, csize);
else
first_ch_bits = 0;
/* check all control types */
for (i = 0; i < 10; i++) {
unsigned int ch_bits = 0;
for (j = 0; j < channels; j++) {
- unsigned int mask = snd_usb_combine_bytes(ftr + 6 + csize * (j+1), csize);
+ unsigned int mask = snd_usb_combine_bytes(ftr->controls + csize * (j+1), csize);
if (mask & (1 << i))
ch_bits |= (1 << j);
}
if (ch_bits & 1) /* the first channel must be set (for ease of programming) */
- build_feature_ctl(state, ftr, ch_bits, i, &iterm, unitid);
+ build_feature_ctl(state, _ftr, ch_bits, i, &iterm, unitid);
if (master_bits & (1 << i))
- build_feature_ctl(state, ftr, 0, i, &iterm, unitid);
+ build_feature_ctl(state, _ftr, 0, i, &iterm, unitid);
}
return 0;
@@ -1122,8 +1163,10 @@ static void build_mixer_unit_ctl(struct mixer_build *state, unsigned char *desc,
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);
@@ -1152,7 +1195,7 @@ static void build_mixer_unit_ctl(struct mixer_build *state, unsigned char *desc,
}
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)
@@ -1330,7 +1373,32 @@ static struct procunit_info procunits[] = {
{ 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
*/
@@ -1342,6 +1410,7 @@ static int build_audio_procunit(struct mixer_build *state, int unitid, unsigned
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 }
@@ -1371,7 +1440,8 @@ static int build_audio_procunit(struct mixer_build *state, int unitid, unsigned
/* 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) {
@@ -1391,8 +1461,18 @@ static int build_audio_procunit(struct mixer_build *state, int unitid, unsigned
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) {
@@ -1402,8 +1482,9 @@ static int build_audio_procunit(struct mixer_build *state, int unitid, unsigned
}
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 {
@@ -1433,7 +1514,7 @@ static int parse_audio_processing_unit(struct mixer_build *state, int unitid, un
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");
}
@@ -1542,6 +1623,7 @@ static int parse_audio_selector_unit(struct mixer_build *state, int unitid, unsi
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) {
@@ -1557,7 +1639,8 @@ static int parse_audio_selector_unit(struct mixer_build *state, int unitid, unsi
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);
@@ -1612,7 +1695,7 @@ static int parse_audio_selector_unit(struct mixer_build *state, int unitid, unsi
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)
@@ -1656,17 +1739,17 @@ static int parse_audio_unit(struct mixer_build *state, int unitid)
}
switch (p1[2]) {
- case INPUT_TERMINAL:
+ case UAC_INPUT_TERMINAL:
return 0; /* NOP */
- case MIXER_UNIT:
+ case UAC_MIXER_UNIT:
return parse_audio_mixer_unit(state, unitid, p1);
- case SELECTOR_UNIT:
+ case UAC_SELECTOR_UNIT:
return parse_audio_selector_unit(state, unitid, p1);
- case FEATURE_UNIT:
+ case UAC_FEATURE_UNIT:
return parse_audio_feature_unit(state, unitid, p1);
- case PROCESSING_UNIT:
+ case UAC_PROCESSING_UNIT_V1:
return parse_audio_processing_unit(state, unitid, p1);
- case EXTENSION_UNIT:
+ case UAC_EXTENSION_UNIT_V1:
return parse_audio_extension_unit(state, unitid, p1);
default:
snd_printk(KERN_ERR "usbaudio: unit %u: unexpected type 0x%02x\n", unitid, p1[2]);
@@ -1696,11 +1779,11 @@ static int snd_usb_mixer_dev_free(struct snd_device *device)
/*
* create mixer controls
*
- * walk through all OUTPUT_TERMINAL descriptors to search for mixers
+ * walk through all UAC_OUTPUT_TERMINAL descriptors to search for mixers
*/
static int snd_usb_mixer_controls(struct usb_mixer_interface *mixer)
{
- unsigned char *desc;
+ struct uac_output_terminal_descriptor_v1 *desc;
struct mixer_build state;
int err;
const struct usbmix_ctl_map *map;
@@ -1724,14 +1807,14 @@ static int snd_usb_mixer_controls(struct usb_mixer_interface *mixer)
}
desc = NULL;
- while ((desc = snd_usb_find_csint_desc(hostif->extra, hostif->extralen, desc, OUTPUT_TERMINAL)) != NULL) {
- if (desc[0] < 9)
+ while ((desc = snd_usb_find_csint_desc(hostif->extra, hostif->extralen, desc, UAC_OUTPUT_TERMINAL)) != NULL) {
+ if (desc->bLength < 9)
continue; /* invalid descriptor? */
- set_bit(desc[3], state.unitbitmap); /* mark terminal ID as visited */
- state.oterm.id = desc[3];
- state.oterm.type = combine_word(&desc[4]);
- state.oterm.name = desc[8];
- err = parse_audio_unit(&state, desc[7]);
+ set_bit(desc->bTerminalID, state.unitbitmap); /* mark terminal ID as visited */
+ state.oterm.id = desc->bTerminalID;
+ state.oterm.type = le16_to_cpu(desc->wTerminalType);
+ state.oterm.name = desc->iTerminal;
+ err = parse_audio_unit(&state, desc->bSourceID);
if (err < 0)
return err;
}
@@ -1748,6 +1831,46 @@ static void snd_usb_mixer_notify_id(struct usb_mixer_interface *mixer,
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)
{
@@ -1924,7 +2047,7 @@ static int snd_usb_soundblaster_remote_init(struct usb_mixer_interface *mixer)
}
mixer->rc_setup_packet->bRequestType =
USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE;
- mixer->rc_setup_packet->bRequest = GET_MEM;
+ mixer->rc_setup_packet->bRequest = UAC_GET_MEM;
mixer->rc_setup_packet->wValue = cpu_to_le16(0);
mixer->rc_setup_packet->wIndex = cpu_to_le16(0);
mixer->rc_setup_packet->wLength = cpu_to_le16(len);
@@ -2047,7 +2170,7 @@ static void snd_audigy2nx_proc_read(struct snd_info_entry *entry,
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 |
+ UAC_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 || buf[0] == 6))
@@ -2109,6 +2232,24 @@ static int snd_xonar_u1_controls_create(struct usb_mixer_interface *mixer)
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)
{
@@ -2116,7 +2257,9 @@ int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif,
.dev_free = snd_usb_mixer_dev_free
};
struct usb_mixer_interface *mixer;
- int err;
+ struct snd_info_entry *entry;
+ struct usb_host_interface *host_iface;
+ int err, protocol;
strcpy(chip->card->mixername, "USB Mixer");
@@ -2126,12 +2269,23 @@ int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif,
mixer->chip = chip;
mixer->ctrlif = ctrlif;
mixer->ignore_ctl_error = ignore_error;
- mixer->id_elems = kcalloc(256, sizeof(*mixer->id_elems), GFP_KERNEL);
+ mixer->id_elems = kcalloc(MAX_ID_ELEMS, sizeof(*mixer->id_elems),
+ GFP_KERNEL);
if (!mixer->id_elems) {
kfree(mixer);
return -ENOMEM;
}
+ host_iface = &usb_ifnum_to_if(chip->dev, ctrlif)->altsetting[0];
+ protocol = host_iface->desc.bInterfaceProtocol;
+
+ /* FIXME! */
+ if (protocol != UAC_VERSION_1) {
+ snd_printk(KERN_WARNING "mixer interface protocol 0x%02x not yet supported\n",
+ protocol);
+ return 0;
+ }
+
if ((err = snd_usb_mixer_controls(mixer)) < 0 ||
(err = snd_usb_mixer_status_create(mixer)) < 0)
goto _error;
@@ -2142,8 +2296,6 @@ int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif,
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))
@@ -2161,6 +2313,11 @@ int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif,
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;
generated by cgit v1.2.3 (git 2.39.0) at 2025-11-04 04:23:58 +0300