*
*/
-#include <sound/driver.h>
#include <linux/bitops.h>
#include <linux/init.h>
#include <linux/list.h>
#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>
+#include <sound/info.h>
+#include <sound/tlv.h>
#include "usbaudio.h"
+#include "usbmixer.h"
+#include "helper.h"
+#include "mixer_quirks.h"
-
-/*
- */
-
-/* ignore error from controls - for debugging */
-/* #define IGNORE_CTL_ERROR */
-
-typedef struct usb_mixer_build mixer_build_t;
-typedef struct usb_audio_term usb_audio_term_t;
-typedef struct usb_mixer_elem_info usb_mixer_elem_info_t;
-
-
-struct usb_mixer_interface {
- snd_usb_audio_t *chip;
- unsigned int ctrlif;
- struct list_head list;
- unsigned int ignore_ctl_error;
-};
-
+#define MAX_ID_ELEMS 256
struct usb_audio_term {
int id;
struct usbmix_name_map;
-struct usb_mixer_build {
- snd_usb_audio_t *chip;
+struct mixer_build {
+ struct snd_usb_audio *chip;
struct usb_mixer_interface *mixer;
unsigned char *buffer;
unsigned int buflen;
- unsigned short vendor;
- unsigned short product;
- DECLARE_BITMAP(unitbitmap, 256);
- usb_audio_term_t oterm;
+ DECLARE_BITMAP(unitbitmap, MAX_ID_ELEMS);
+ struct usb_audio_term oterm;
const struct usbmix_name_map *map;
const struct usbmix_selector_map *selector_map;
};
-struct usb_mixer_elem_info {
- struct usb_mixer_interface *mixer;
- unsigned int id;
- unsigned int control; /* CS or ICN (high byte) */
- unsigned int cmask; /* channel mask bitmap: 0 = master */
- int channels;
- int val_type;
- int min, max, res;
- unsigned int initialized: 1;
-};
-
-
-enum {
- USB_FEATURE_NONE = 0,
- USB_FEATURE_MUTE = 1,
- USB_FEATURE_VOLUME,
- USB_FEATURE_BASS,
- USB_FEATURE_MID,
- USB_FEATURE_TREBLE,
- USB_FEATURE_GEQ,
- USB_FEATURE_AGC,
- USB_FEATURE_DELAY,
- USB_FEATURE_BASSBOOST,
- USB_FEATURE_LOUDNESS
-};
-
enum {
USB_MIXER_BOOLEAN,
USB_MIXER_INV_BOOLEAN,
USB_PROC_DCR_RELEASE = 6,
};
-#define MAX_CHANNELS 10 /* max logical channels */
-
+/*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(mixer_build_t *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(mixer_build_t *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("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 */
-static int check_mapped_selector_name(mixer_build_t *state, int unitid,
+static int check_mapped_selector_name(struct mixer_build *state, int unitid,
int index, char *buf, int buflen)
{
const struct usbmix_selector_map *p;
/*
* find an audio control unit with the given unit id
*/
-static void *find_audio_control_unit(mixer_build_t *state, unsigned char unit)
+static void *find_audio_control_unit(struct mixer_build *state, unsigned char unit)
{
unsigned char *p;
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;
/*
* copy a string with the given id
*/
-static int snd_usb_copy_string_desc(mixer_build_t *state, int index, char *buf, int maxlen)
+static int snd_usb_copy_string_desc(struct mixer_build *state, int index, char *buf, int maxlen)
{
int len = usb_string(state->chip->dev, index, buf, maxlen - 1);
buf[len] = 0;
/*
* convert from the byte/word on usb descriptor to the zero-based integer
*/
-static int convert_signed_value(usb_mixer_elem_info_t *cval, int val)
+static int convert_signed_value(struct usb_mixer_elem_info *cval, int val)
{
switch (cval->val_type) {
case USB_MIXER_BOOLEAN:
/*
* convert from the zero-based int to the byte/word for usb descriptor
*/
-static int convert_bytes_value(usb_mixer_elem_info_t *cval, int val)
+static int convert_bytes_value(struct usb_mixer_elem_info *cval, int val)
{
switch (cval->val_type) {
case USB_MIXER_BOOLEAN:
return 0; /* not reached */
}
-static int get_relative_value(usb_mixer_elem_info_t *cval, int val)
+static int get_relative_value(struct usb_mixer_elem_info *cval, int val)
{
if (! cval->res)
cval->res = 1;
if (val < cval->min)
return 0;
- else if (val > cval->max)
- return (cval->max - cval->min) / cval->res;
+ else if (val >= cval->max)
+ return (cval->max - cval->min + cval->res - 1) / cval->res;
else
return (val - cval->min) / cval->res;
}
-static int get_abs_value(usb_mixer_elem_info_t *cval, int val)
+static int get_abs_value(struct usb_mixer_elem_info *cval, int val)
{
if (val < 0)
return cval->min;
* retrieve a mixer value
*/
-static int get_ctl_value(usb_mixer_elem_info_t *cval, int request, int validx, int *value_ret)
+static int get_ctl_value(struct usb_mixer_elem_info *cval, int request, int validx, int *value_ret)
{
unsigned char buf[2];
int val_len = cval->val_type >= USB_MIXER_S16 ? 2 : 1;
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 -EINVAL;
}
-static int get_cur_ctl_value(usb_mixer_elem_info_t *cval, int validx, int *value)
+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 */
-inline static int get_cur_mix_value(usb_mixer_elem_info_t *cval, int channel, int *value)
+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,
+ int channel, int index, int *value)
+{
+ int err;
+
+ if (cval->cached & (1 << channel)) {
+ *value = cval->cache_val[index];
+ return 0;
+ }
+ err = get_cur_mix_raw(cval, channel, value);
+ if (err < 0) {
+ if (!cval->mixer->ignore_ctl_error)
+ snd_printd(KERN_ERR "cannot get current value for "
+ "control %d ch %d: err = %d\n",
+ cval->control, channel, err);
+ return err;
+ }
+ cval->cached |= 1 << channel;
+ cval->cache_val[index] = *value;
+ return 0;
+}
+
+
/*
* set a mixer value
*/
-static int set_ctl_value(usb_mixer_elem_info_t *cval, int request, int validx, int value_set)
+int snd_usb_mixer_set_ctl_value(struct usb_mixer_elem_info *cval,
+ int request, int validx, int value_set)
{
unsigned char buf[2];
int val_len = cval->val_type >= USB_MIXER_S16 ? 2 : 1;
value_set = convert_bytes_value(cval, value_set);
buf[0] = value_set & 0xff;
buf[1] = (value_set >> 8) & 0xff;
- while (timeout -- > 0)
+ while (timeout-- > 0)
if (snd_usb_ctl_msg(cval->mixer->chip->dev,
usb_sndctrlpipe(cval->mixer->chip->dev, 0),
request,
return -EINVAL;
}
-static int set_cur_ctl_value(usb_mixer_elem_info_t *cval, int validx, int value)
+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 snd_usb_mixer_set_ctl_value(cval, UAC_SET_CUR, validx, value);
}
-inline static int set_cur_mix_value(usb_mixer_elem_info_t *cval, int channel, int value)
+static int set_cur_mix_value(struct usb_mixer_elem_info *cval, int channel,
+ int index, int value)
{
- return set_ctl_value(cval, SET_CUR, (cval->control << 8) | channel, value);
+ int err;
+ err = snd_usb_mixer_set_ctl_value(cval, UAC_SET_CUR, (cval->control << 8) | channel,
+ value);
+ if (err < 0)
+ return err;
+ cval->cached |= 1 << channel;
+ cval->cache_val[index] = value;
+ return 0;
}
+/*
+ * 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_MINMAX(scale, 0, 0);
+
+ if (size < sizeof(scale))
+ return -ENOMEM;
+ scale[2] = cval->dBmin;
+ scale[3] = cval->dBmax;
+ if (copy_to_user(_tlv, scale, sizeof(scale)))
+ return -EFAULT;
+ return 0;
+}
/*
* parser routines begin here...
*/
-static int parse_audio_unit(mixer_build_t *state, int unitid);
+static int parse_audio_unit(struct mixer_build *state, int unitid);
/*
* if failed, give up and free the control instance.
*/
-static int add_control_to_empty(mixer_build_t *state, snd_kcontrol_t *kctl)
+static int add_control_to_empty(struct mixer_build *state, struct snd_kcontrol *kctl)
{
+ struct usb_mixer_elem_info *cval = kctl->private_data;
int err;
while (snd_ctl_find_id(state->chip->card, &kctl->id))
kctl->id.index++;
if ((err = snd_ctl_add(state->chip->card, kctl)) < 0) {
snd_printd(KERN_ERR "cannot add control (err = %d)\n", err);
- snd_ctl_free_one(kctl);
+ return err;
}
- return err;
+ cval->elem_id = &kctl->id;
+ cval->next_id_elem = state->mixer->id_elems[cval->id];
+ state->mixer->id_elems[cval->id] = cval;
+ return 0;
}
{ 0 },
};
-static int get_term_name(mixer_build_t *state, usb_audio_term_t *iterm,
+static int get_term_name(struct mixer_build *state, struct usb_audio_term *iterm,
unsigned char *name, int maxlen, int term_only)
{
struct iterm_name_combo *names;
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);
* parse the source unit recursively until it reaches to a terminal
* or a branched unit.
*/
-static int check_input_term(mixer_build_t *state, int id, usb_audio_term_t *term)
+static int check_input_term(struct mixer_build *state, int id, struct usb_audio_term *term)
{
unsigned char *p1;
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;
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 */
/* private_free callback */
-static void usb_mixer_elem_free(snd_kcontrol_t *kctl)
+static void usb_mixer_elem_free(struct snd_kcontrol *kctl)
{
- if (kctl->private_data) {
- kfree(kctl->private_data);
- kctl->private_data = NULL;
- }
+ kfree(kctl->private_data);
+ kctl->private_data = NULL;
}
/*
* retrieve the minimum and maximum values for the specified control
*/
-static int get_min_max(usb_mixer_elem_info_t *cval, int default_min)
+static int get_min_max(struct usb_mixer_elem_info *cval, int default_min)
{
/* for failsafe */
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) {
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 (snd_usb_mixer_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)
cval->res = 1;
+
+ /* Additional checks for the proper resolution
+ *
+ * Some devices report smaller resolutions than actually
+ * reacting. They don't return errors but simply clip
+ * to the lower aligned value.
+ */
+ if (cval->min + cval->res < cval->max) {
+ int last_valid_res = cval->res;
+ int saved, test, check;
+ get_cur_mix_raw(cval, minchn, &saved);
+ for (;;) {
+ test = saved;
+ if (test < cval->max)
+ test += cval->res;
+ else
+ test -= cval->res;
+ if (test < cval->min || test > cval->max ||
+ set_cur_mix_value(cval, minchn, 0, test) ||
+ get_cur_mix_raw(cval, minchn, &check)) {
+ cval->res = last_valid_res;
+ break;
+ }
+ if (test == check)
+ break;
+ cval->res *= 2;
+ }
+ set_cur_mix_value(cval, minchn, 0, saved);
+ }
+
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;
}
/* get a feature/mixer unit info */
-static int mixer_ctl_feature_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
+static int mixer_ctl_feature_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
- usb_mixer_elem_info_t *cval = kcontrol->private_data;
+ struct usb_mixer_elem_info *cval = kcontrol->private_data;
if (cval->val_type == USB_MIXER_BOOLEAN ||
cval->val_type == USB_MIXER_INV_BOOLEAN)
if (! cval->initialized)
get_min_max(cval, 0);
uinfo->value.integer.min = 0;
- uinfo->value.integer.max = (cval->max - cval->min) / cval->res;
+ uinfo->value.integer.max =
+ (cval->max - cval->min + cval->res - 1) / cval->res;
}
return 0;
}
/* get the current value from feature/mixer unit */
-static int mixer_ctl_feature_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
+static int mixer_ctl_feature_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
- usb_mixer_elem_info_t *cval = kcontrol->private_data;
+ struct usb_mixer_elem_info *cval = kcontrol->private_data;
int c, cnt, val, err;
+ ucontrol->value.integer.value[0] = cval->min;
if (cval->cmask) {
cnt = 0;
for (c = 0; c < MAX_CHANNELS; c++) {
- if (cval->cmask & (1 << c)) {
- err = get_cur_mix_value(cval, c + 1, &val);
- if (err < 0) {
- if (cval->mixer->ignore_ctl_error) {
- ucontrol->value.integer.value[0] = cval->min;
- return 0;
- }
- snd_printd(KERN_ERR "cannot get current value for control %d ch %d: err = %d\n", cval->control, c + 1, err);
- return err;
- }
- val = get_relative_value(cval, val);
- ucontrol->value.integer.value[cnt] = val;
- cnt++;
- }
+ if (!(cval->cmask & (1 << c)))
+ continue;
+ err = get_cur_mix_value(cval, c + 1, cnt, &val);
+ if (err < 0)
+ return cval->mixer->ignore_ctl_error ? 0 : err;
+ val = get_relative_value(cval, val);
+ ucontrol->value.integer.value[cnt] = val;
+ cnt++;
}
+ return 0;
} else {
/* master channel */
- err = get_cur_mix_value(cval, 0, &val);
- if (err < 0) {
- if (cval->mixer->ignore_ctl_error) {
- ucontrol->value.integer.value[0] = cval->min;
- return 0;
- }
- snd_printd(KERN_ERR "cannot get current value for control %d master ch: err = %d\n", cval->control, err);
- return err;
- }
+ err = get_cur_mix_value(cval, 0, 0, &val);
+ if (err < 0)
+ return cval->mixer->ignore_ctl_error ? 0 : err;
val = get_relative_value(cval, val);
ucontrol->value.integer.value[0] = val;
}
}
/* put the current value to feature/mixer unit */
-static int mixer_ctl_feature_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
+static int mixer_ctl_feature_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
- usb_mixer_elem_info_t *cval = kcontrol->private_data;
+ struct usb_mixer_elem_info *cval = kcontrol->private_data;
int c, cnt, val, oval, err;
int changed = 0;
if (cval->cmask) {
cnt = 0;
for (c = 0; c < MAX_CHANNELS; c++) {
- if (cval->cmask & (1 << c)) {
- err = get_cur_mix_value(cval, c + 1, &oval);
- if (err < 0) {
- if (cval->mixer->ignore_ctl_error)
- return 0;
- return err;
- }
- val = ucontrol->value.integer.value[cnt];
- val = get_abs_value(cval, val);
- if (oval != val) {
- set_cur_mix_value(cval, c + 1, val);
- changed = 1;
- }
- get_cur_mix_value(cval, c + 1, &val);
- cnt++;
+ if (!(cval->cmask & (1 << c)))
+ continue;
+ err = get_cur_mix_value(cval, c + 1, cnt, &oval);
+ if (err < 0)
+ return cval->mixer->ignore_ctl_error ? 0 : err;
+ val = ucontrol->value.integer.value[cnt];
+ val = get_abs_value(cval, val);
+ if (oval != val) {
+ set_cur_mix_value(cval, c + 1, cnt, val);
+ changed = 1;
}
+ cnt++;
}
} else {
/* master channel */
- err = get_cur_mix_value(cval, 0, &oval);
- if (err < 0 && cval->mixer->ignore_ctl_error)
- return 0;
+ err = get_cur_mix_value(cval, 0, 0, &oval);
if (err < 0)
- return err;
+ return cval->mixer->ignore_ctl_error ? 0 : err;
val = ucontrol->value.integer.value[0];
val = get_abs_value(cval, val);
if (val != oval) {
- set_cur_mix_value(cval, 0, val);
+ set_cur_mix_value(cval, 0, 0, val);
changed = 1;
}
}
return changed;
}
-static snd_kcontrol_new_t usb_feature_unit_ctl = {
+static struct snd_kcontrol_new usb_feature_unit_ctl = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "", /* will be filled later manually */
.info = mixer_ctl_feature_info,
* build a feature control
*/
-static void build_feature_ctl(mixer_build_t *state, unsigned char *desc,
+static size_t append_ctl_name(struct snd_kcontrol *kctl, const char *str)
+{
+ return strlcat(kctl->id.name, str, sizeof(kctl->id.name));
+}
+
+static void build_feature_ctl(struct mixer_build *state, unsigned char *desc,
unsigned int ctl_mask, int control,
- usb_audio_term_t *iterm, int unitid)
+ struct usb_audio_term *iterm, int unitid)
{
unsigned int len = 0;
int mapped_name = 0;
int nameid = desc[desc[0] - 1];
- snd_kcontrol_t *kctl;
- usb_mixer_elem_info_t *cval;
+ 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 */
- if (control == USB_FEATURE_GEQ) {
+ if (control == UAC_GRAPHIC_EQUALIZER_CONTROL) {
/* FIXME: not supported yet */
return;
}
- if (check_ignored_ctl(state, unitid, control))
+ map = find_map(state, unitid, control);
+ if (check_ignored_ctl(map))
return;
- cval = kcalloc(1, sizeof(*cval), GFP_KERNEL);
+ cval = kzalloc(sizeof(*cval), GFP_KERNEL);
if (! cval) {
snd_printk(KERN_ERR "cannot malloc kcontrol\n");
return;
}
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:
- case USB_FEATURE_VOLUME:
+ case UAC_MUTE_CONTROL:
+ case UAC_VOLUME_CONTROL:
/* determine the control name. the rule is:
* - if a name id is given in descriptor, use it.
* - if the connected input can be determined, then use the name
*/
if (! mapped_name && ! (state->oterm.type >> 16)) {
if ((state->oterm.type & 0xff00) == 0x0100) {
- len = strlcat(kctl->id.name, " Capture", sizeof(kctl->id.name));
+ len = append_ctl_name(kctl, " Capture");
} else {
- len = strlcat(kctl->id.name + len, " Playback", sizeof(kctl->id.name));
+ len = append_ctl_name(kctl, " Playback");
}
}
- strlcat(kctl->id.name + len, control == USB_FEATURE_MUTE ? " Switch" : " Volume",
- sizeof(kctl->id.name));
+ append_ctl_name(kctl, control == UAC_MUTE_CONTROL ?
+ " Switch" : " Volume");
+ if (control == UAC_VOLUME_CONTROL) {
+ kctl->tlv.c = mixer_vol_tlv;
+ kctl->vd[0].access |=
+ SNDRV_CTL_ELEM_ACCESS_TLV_READ |
+ SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
+ check_mapped_dB(map, cval);
+ }
break;
default:
break;
}
- /* quirk for UDA1321/N101 */
- /* note that detection between firmware 2.1.1.7 (N101) and later 2.1.1.21 */
- /* is not very clear from datasheets */
- /* I hope that the min value is -15360 for newer firmware --jk */
- if (((state->vendor == 0x471 && (state->product == 0x104 || state->product == 0x105 || state->product == 0x101)) ||
- (state->vendor == 0x672 && state->product == 0x1041)) && !strcmp(kctl->id.name, "PCM Playback Volume") &&
- cval->min == -15616) {
- snd_printk("USB Audio: using volume control quirk for the UDA1321/N101 chip\n");
- cval->max = -256;
+ /* volume control quirks */
+ switch (state->chip->usb_id) {
+ case USB_ID(0x0471, 0x0101):
+ case USB_ID(0x0471, 0x0104):
+ case USB_ID(0x0471, 0x0105):
+ case USB_ID(0x0672, 0x1041):
+ /* quirk for UDA1321/N101.
+ * note that detection between firmware 2.1.1.7 (N101)
+ * and later 2.1.1.21 is not very clear from datasheets.
+ * I hope that the min value is -15360 for newer firmware --jk
+ */
+ if (!strcmp(kctl->id.name, "PCM Playback Volume") &&
+ cval->min == -15616) {
+ snd_printk(KERN_INFO
+ "set volume quirk for UDA1321/N101 chip\n");
+ cval->max = -256;
+ }
+ break;
+
+ case USB_ID(0x046d, 0x09a4):
+ if (!strcmp(kctl->id.name, "Mic Capture Volume")) {
+ snd_printk(KERN_INFO
+ "set volume quirk for QuickCam E3500\n");
+ cval->min = 6080;
+ cval->max = 8768;
+ cval->res = 192;
+ }
+ break;
+
}
snd_printdd(KERN_INFO "[%d] FU [%s] ch = %d, val = %d/%d/%d\n",
*
* most of controlls are defined here.
*/
-static int parse_audio_feature_unit(mixer_build_t *state, int unitid, unsigned char *ftr)
+static int parse_audio_feature_unit(struct mixer_build *state, int unitid, void *_ftr)
{
int channels, i, j;
- usb_audio_term_t iterm;
+ 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):
+ snd_printk(KERN_INFO
+ "usbmixer: master volume quirk for PCM2702 chip\n");
+ /* disable non-functional volume control */
+ master_bits &= ~UAC_FU_VOLUME;
+ 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;
* input channel number (zero based) is given in control field instead.
*/
-static void build_mixer_unit_ctl(mixer_build_t *state, unsigned char *desc,
+static void build_mixer_unit_ctl(struct mixer_build *state, unsigned char *desc,
int in_pin, int in_ch, int unitid,
- usb_audio_term_t *iterm)
+ struct usb_audio_term *iterm)
{
- usb_mixer_elem_info_t *cval;
+ struct usb_mixer_elem_info *cval;
unsigned int input_pins = desc[4];
unsigned int num_outs = desc[5 + input_pins];
unsigned int i, len;
- snd_kcontrol_t *kctl;
+ 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 = kcalloc(1, sizeof(*cval), GFP_KERNEL);
+ cval = kzalloc(sizeof(*cval), GFP_KERNEL);
if (! cval)
return;
}
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)
len = sprintf(kctl->id.name, "Mixer Source %d", in_ch + 1);
- strlcat(kctl->id.name + len, " Volume", sizeof(kctl->id.name));
+ append_ctl_name(kctl, " Volume");
snd_printdd(KERN_INFO "[%d] MU [%s] ch = %d, val = %d/%d\n",
cval->id, kctl->id.name, cval->channels, cval->min, cval->max);
/*
* parse a mixer unit
*/
-static int parse_audio_mixer_unit(mixer_build_t *state, int unitid, unsigned char *desc)
+static int parse_audio_mixer_unit(struct mixer_build *state, int unitid, unsigned char *desc)
{
- usb_audio_term_t iterm;
+ struct usb_audio_term iterm;
int input_pins, num_ins, num_outs;
int pin, ich, err;
*/
/* get callback for processing/extension unit */
-static int mixer_ctl_procunit_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
+static int mixer_ctl_procunit_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
- usb_mixer_elem_info_t *cval = kcontrol->private_data;
+ struct usb_mixer_elem_info *cval = kcontrol->private_data;
int err, val;
err = get_cur_ctl_value(cval, cval->control << 8, &val);
}
/* put callback for processing/extension unit */
-static int mixer_ctl_procunit_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
+static int mixer_ctl_procunit_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
- usb_mixer_elem_info_t *cval = kcontrol->private_data;
+ struct usb_mixer_elem_info *cval = kcontrol->private_data;
int val, oval, err;
err = get_cur_ctl_value(cval, cval->control << 8, &oval);
}
/* alsa control interface for processing/extension unit */
-static snd_kcontrol_new_t mixer_procunit_ctl = {
+static struct snd_kcontrol_new mixer_procunit_ctl = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "", /* will be filled later */
.info = mixer_ctl_feature_info,
{ 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
*/
-static int build_audio_procunit(mixer_build_t *state, int unitid, unsigned char *dsc, struct procunit_info *list, char *name)
+static int build_audio_procunit(struct mixer_build *state, int unitid, unsigned char *dsc, struct procunit_info *list, char *name)
{
int num_ins = dsc[6];
- usb_mixer_elem_info_t *cval;
- snd_kcontrol_t *kctl;
+ struct usb_mixer_elem_info *cval;
+ struct snd_kcontrol *kctl;
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 }
}
type = combine_word(&dsc[4]);
- if (! type)
- return 0; /* undefined? */
-
for (info = list; info && info->type; info++)
if (info->type == type)
break;
/* 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 = kcalloc(1, sizeof(*cval), GFP_KERNEL);
+ cval = kzalloc(sizeof(*cval), GFP_KERNEL);
if (! cval) {
snd_printk(KERN_ERR "cannot malloc kcontrol\n");
return -ENOMEM;
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 {
if (! len)
strlcpy(kctl->id.name, name, sizeof(kctl->id.name));
}
- strlcat(kctl->id.name, " ", sizeof(kctl->id.name));
- strlcat(kctl->id.name, valinfo->suffix, sizeof(kctl->id.name));
+ append_ctl_name(kctl, " ");
+ append_ctl_name(kctl, valinfo->suffix);
snd_printdd(KERN_INFO "[%d] PU [%s] ch = %d, val = %d/%d\n",
cval->id, kctl->id.name, cval->channels, cval->min, cval->max);
}
-static int parse_audio_processing_unit(mixer_build_t *state, int unitid, unsigned char *desc)
+static int parse_audio_processing_unit(struct mixer_build *state, int unitid, unsigned char *desc)
{
return build_audio_procunit(state, unitid, desc, procunits, "Processing Unit");
}
-static int parse_audio_extension_unit(mixer_build_t *state, int unitid, unsigned char *desc)
+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");
}
/* info callback for selector unit
* use an enumerator type for routing
*/
-static int mixer_ctl_selector_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
+static int mixer_ctl_selector_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
- usb_mixer_elem_info_t *cval = kcontrol->private_data;
+ 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;
}
/* get callback for selector unit */
-static int mixer_ctl_selector_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
+static int mixer_ctl_selector_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
- usb_mixer_elem_info_t *cval = kcontrol->private_data;
+ struct usb_mixer_elem_info *cval = kcontrol->private_data;
int val, err;
err = get_cur_ctl_value(cval, 0, &val);
}
/* put callback for selector unit */
-static int mixer_ctl_selector_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
+static int mixer_ctl_selector_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
- usb_mixer_elem_info_t *cval = kcontrol->private_data;
+ struct usb_mixer_elem_info *cval = kcontrol->private_data;
int val, oval, err;
err = get_cur_ctl_value(cval, 0, &oval);
}
/* alsa control interface for selector unit */
-static snd_kcontrol_new_t mixer_selectunit_ctl = {
+static struct snd_kcontrol_new mixer_selectunit_ctl = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "", /* will be filled later */
.info = mixer_ctl_selector_info,
/* private free callback.
* free both private_data and private_value
*/
-static void usb_mixer_selector_elem_free(snd_kcontrol_t *kctl)
+static void usb_mixer_selector_elem_free(struct snd_kcontrol *kctl)
{
int i, num_ins = 0;
if (kctl->private_data) {
- usb_mixer_elem_info_t *cval = kctl->private_data;
+ struct usb_mixer_elem_info *cval = kctl->private_data;
num_ins = cval->max;
kfree(cval);
kctl->private_data = NULL;
/*
* parse a selector unit
*/
-static int parse_audio_selector_unit(mixer_build_t *state, int unitid, unsigned char *desc)
+static int parse_audio_selector_unit(struct mixer_build *state, int unitid, unsigned char *desc)
{
unsigned int num_ins = desc[4];
unsigned int i, nameid, len;
int err;
- usb_mixer_elem_info_t *cval;
- snd_kcontrol_t *kctl;
+ struct usb_mixer_elem_info *cval;
+ struct snd_kcontrol *kctl;
+ const struct usbmix_name_map *map;
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;
}
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 = kcalloc(1, sizeof(*cval), GFP_KERNEL);
+ cval = kzalloc(sizeof(*cval), GFP_KERNEL);
if (! cval) {
snd_printk(KERN_ERR "cannot malloc kcontrol\n");
return -ENOMEM;
}
#define MAX_ITEM_NAME_LEN 64
for (i = 0; i < num_ins; i++) {
- usb_audio_term_t iterm;
+ struct usb_audio_term iterm;
len = 0;
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);
kctl = snd_ctl_new1(&mixer_selectunit_ctl, cval);
if (! kctl) {
snd_printk(KERN_ERR "cannot malloc kcontrol\n");
+ kfree(namelist);
kfree(cval);
return -ENOMEM;
}
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)
strlcpy(kctl->id.name, "USB", sizeof(kctl->id.name));
if ((state->oterm.type & 0xff00) == 0x0100)
- strlcat(kctl->id.name, " Capture Source", sizeof(kctl->id.name));
+ append_ctl_name(kctl, " Capture Source");
else
- strlcat(kctl->id.name, " Playback Source", sizeof(kctl->id.name));
+ append_ctl_name(kctl, " Playback Source");
}
snd_printdd(KERN_INFO "[%d] SU [%s] items = %d\n",
* parse an audio unit recursively
*/
-static int parse_audio_unit(mixer_build_t *state, int unitid)
+static int parse_audio_unit(struct mixer_build *state, int unitid)
{
unsigned char *p1;
}
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]);
static void snd_usb_mixer_free(struct usb_mixer_interface *mixer)
{
+ kfree(mixer->id_elems);
+ if (mixer->urb) {
+ kfree(mixer->urb->transfer_buffer);
+ usb_free_urb(mixer->urb);
+ }
+ usb_free_urb(mixer->rc_urb);
+ kfree(mixer->rc_setup_packet);
kfree(mixer);
}
-static int snd_usb_mixer_dev_free(snd_device_t *device)
+static int snd_usb_mixer_dev_free(struct snd_device *device)
{
struct usb_mixer_interface *mixer = device->device_data;
snd_usb_mixer_free(mixer);
/*
* 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;
- mixer_build_t state;
+ struct uac_output_terminal_descriptor_v1 *desc;
+ struct mixer_build state;
int err;
const struct usbmix_ctl_map *map;
- struct usb_device_descriptor *dev = &mixer->chip->dev->descriptor;
struct usb_host_interface *hostif;
hostif = &usb_ifnum_to_if(mixer->chip->dev, mixer->ctrlif)->altsetting[0];
state.mixer = mixer;
state.buffer = hostif->extra;
state.buflen = hostif->extralen;
- state.vendor = le16_to_cpu(dev->idVendor);
- state.product = le16_to_cpu(dev->idProduct);
/* check the mapping table */
- for (map = usbmix_ctl_maps; map->vendor; map++) {
- if (map->vendor == state.vendor && map->product == state.product) {
+ for (map = usbmix_ctl_maps; map->id; map++) {
+ if (map->id == state.chip->usb_id) {
state.map = map->map;
state.selector_map = map->selector_map;
mixer->ignore_ctl_error = map->ignore_ctl_error;
}
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;
}
return 0;
}
-int snd_usb_create_mixer(snd_usb_audio_t *chip, int ctrlif)
+void snd_usb_mixer_notify_id(struct usb_mixer_interface *mixer, int unitid)
+{
+ struct usb_mixer_elem_info *info;
+
+ for (info = mixer->id_elems[unitid]; info; info = info->next_id_elem)
+ snd_ctl_notify(mixer->chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
+ 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_status_complete(struct urb *urb)
+{
+ struct usb_mixer_interface *mixer = urb->context;
+
+ if (urb->status == 0) {
+ u8 *buf = urb->transfer_buffer;
+ int i;
+
+ for (i = urb->actual_length; i >= 2; buf += 2, i -= 2) {
+ snd_printd(KERN_DEBUG "status interrupt: %02x %02x\n",
+ buf[0], buf[1]);
+ /* ignore any notifications not from the control interface */
+ if ((buf[0] & 0x0f) != 0)
+ continue;
+ if (!(buf[0] & 0x40))
+ snd_usb_mixer_notify_id(mixer, buf[1]);
+ else
+ snd_usb_mixer_rc_memory_change(mixer, buf[1]);
+ }
+ }
+ if (urb->status != -ENOENT && urb->status != -ECONNRESET) {
+ urb->dev = mixer->chip->dev;
+ usb_submit_urb(urb, GFP_ATOMIC);
+ }
+}
+
+/* create the handler for the optional status interrupt endpoint */
+static int snd_usb_mixer_status_create(struct usb_mixer_interface *mixer)
+{
+ struct usb_host_interface *hostif;
+ struct usb_endpoint_descriptor *ep;
+ void *transfer_buffer;
+ int buffer_length;
+ unsigned int epnum;
+
+ hostif = &usb_ifnum_to_if(mixer->chip->dev, mixer->ctrlif)->altsetting[0];
+ /* we need one interrupt input endpoint */
+ if (get_iface_desc(hostif)->bNumEndpoints < 1)
+ return 0;
+ ep = get_endpoint(hostif, 0);
+ if (!usb_endpoint_dir_in(ep) || !usb_endpoint_xfer_int(ep))
+ return 0;
+
+ epnum = usb_endpoint_num(ep);
+ buffer_length = le16_to_cpu(ep->wMaxPacketSize);
+ transfer_buffer = kmalloc(buffer_length, GFP_KERNEL);
+ if (!transfer_buffer)
+ return -ENOMEM;
+ mixer->urb = usb_alloc_urb(0, GFP_KERNEL);
+ if (!mixer->urb) {
+ kfree(transfer_buffer);
+ return -ENOMEM;
+ }
+ usb_fill_int_urb(mixer->urb, mixer->chip->dev,
+ usb_rcvintpipe(mixer->chip->dev, epnum),
+ transfer_buffer, buffer_length,
+ snd_usb_mixer_status_complete, mixer, ep->bInterval);
+ usb_submit_urb(mixer->urb, GFP_KERNEL);
+ return 0;
+}
+
+int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif,
+ int ignore_error)
{
- static snd_device_ops_t dev_ops = {
+ static struct snd_device_ops dev_ops = {
.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");
- mixer = kcalloc(1, sizeof(*mixer), GFP_KERNEL);
+ mixer = kzalloc(sizeof(*mixer), GFP_KERNEL);
if (!mixer)
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(MAX_ID_ELEMS, sizeof(*mixer->id_elems),
+ GFP_KERNEL);
+ if (!mixer->id_elems) {
+ kfree(mixer);
+ return -ENOMEM;
+ }
- if ((err = snd_usb_mixer_controls(mixer)) < 0) {
- snd_usb_mixer_free(mixer);
- return err;
+ 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;
+
+ snd_usb_mixer_apply_create_quirk(mixer);
+
err = snd_device_new(chip->card, SNDRV_DEV_LOWLEVEL, mixer, &dev_ops);
- if (err < 0) {
- snd_usb_mixer_free(mixer);
- return err;
- }
+ 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;
+
+_error:
+ snd_usb_mixer_free(mixer);
+ return err;
}
void snd_usb_mixer_disconnect(struct list_head *p)
{
+ struct usb_mixer_interface *mixer;
+
+ mixer = list_entry(p, struct usb_mixer_interface, list);
+ usb_kill_urb(mixer->urb);
+ usb_kill_urb(mixer->rc_urb);
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff