*
* Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
*
- * Many codes borrowed from audio.c by
+ * Many codes borrowed from audio.c by
* Alan Cox (alan@lxorguk.ukuu.org.uk)
* Thomas Sailer (sailer@ife.ee.ethz.ch)
*
#include <linux/usb.h>
#include <sound/core.h>
#include <sound/control.h>
+#include <sound/hwdep.h>
+#include <sound/info.h>
+#include <sound/tlv.h>
#include "usbaudio.h"
-
/*
*/
/* ignore error from controls - for debugging */
/* #define IGNORE_CTL_ERROR */
-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;
+/*
+ * Sound Blaster remote control configuration
+ *
+ * format of remote control data:
+ * Extigy: xx 00
+ * Audigy 2 NX: 06 80 xx 00 00 00
+ * Live! 24-bit: 06 80 xx yy 22 83
+ */
+static const struct rc_config {
+ u32 usb_id;
+ u8 offset;
+ u8 length;
+ u8 packet_length;
+ u8 mute_mixer_id;
+ u32 mute_code;
+} rc_configs[] = {
+ { USB_ID(0x041e, 0x3000), 0, 1, 2, 18, 0x0013 }, /* Extigy */
+ { USB_ID(0x041e, 0x3020), 2, 1, 6, 18, 0x0013 }, /* Audigy 2 NX */
+ { USB_ID(0x041e, 0x3040), 2, 2, 6, 2, 0x6e91 }, /* Live! 24-bit */
+};
+
+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 */
+
+ /* Sound Blaster remote control stuff */
+ const struct rc_config *rc_cfg;
+ unsigned long rc_hwdep_open;
+ u32 rc_code;
+ wait_queue_head_t rc_waitq;
+ struct urb *rc_urb;
+ struct usb_ctrlrequest *rc_setup_packet;
+ u8 rc_buffer[6];
+
+ u8 audigy2nx_leds[3];
+};
struct usb_audio_term {
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 int ctrlif;
- unsigned short vendor;
- unsigned short product;
- DECLARE_BITMAP(unitbitmap, 32*32);
- usb_audio_term_t oterm;
+ DECLARE_BITMAP(unitbitmap, 256);
+ struct usb_audio_term oterm;
const struct usbmix_name_map *map;
+ const struct usbmix_selector_map *selector_map;
};
struct usb_mixer_elem_info {
- snd_usb_audio_t *chip;
- unsigned int ctrlif;
+ struct usb_mixer_interface *mixer;
+ struct usb_mixer_elem_info *next_id_elem; /* list of controls with same id */
+ struct snd_ctl_elem_id *elem_id;
unsigned int id;
unsigned int control; /* CS or ICN (high byte) */
- unsigned int cmask; /* channel mask bitmap: 0 = master */
+ unsigned int cmask; /* channel mask bitmap: 0 = master */
int channels;
int val_type;
int min, max, res;
- unsigned int initialized: 1;
+ u8 initialized;
};
#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 int check_mapped_name(struct mixer_build *state, int unitid, int control, char *buf, int buflen)
{
const struct usbmix_name_map *p;
}
/* check whether the control should be ignored */
-static int check_ignored_ctl(mixer_build_t *state, int unitid, int control)
+static int check_ignored_ctl(struct mixer_build *state, int unitid, int control)
{
const struct usbmix_name_map *p;
return 0;
}
+/* get the mapped selector source name */
+static int check_mapped_selector_name(struct mixer_build *state, int unitid,
+ int index, char *buf, int buflen)
+{
+ const struct usbmix_selector_map *p;
+
+ if (! state->selector_map)
+ return 0;
+ for (p = state->selector_map; p->id; p++) {
+ if (p->id == unitid && index < p->count)
+ return strlcpy(buf, p->names[index], buflen);
+ }
+ return 0;
+}
+
/*
* 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;
/*
* 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;
int timeout = 10;
-
+
while (timeout-- > 0) {
- if (snd_usb_ctl_msg(cval->chip->dev, usb_rcvctrlpipe(cval->chip->dev, 0),
+ if (snd_usb_ctl_msg(cval->mixer->chip->dev,
+ usb_rcvctrlpipe(cval->mixer->chip->dev, 0),
request,
USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN,
- validx, cval->ctrlif | (cval->id << 8),
- buf, val_len, HZ / 10) >= 0) {
+ validx, cval->mixer->ctrlif | (cval->id << 8),
+ buf, val_len, 100) >= 0) {
*value_ret = convert_signed_value(cval, snd_usb_combine_bytes(buf, val_len));
return 0;
}
}
- snd_printdd(KERN_ERR "cannot get ctl value: req = 0x%x, wValue = 0x%x, wIndex = 0x%x, type = %d\n", request, validx, cval->ctrlif | (cval->id << 8), cval->val_type);
+ snd_printdd(KERN_ERR "cannot get ctl value: req = %#x, wValue = %#x, wIndex = %#x, type = %d\n",
+ request, validx, cval->mixer->ctrlif | (cval->id << 8), cval->val_type);
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);
}
/* 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_value(struct usb_mixer_elem_info *cval, int channel, int *value)
{
return get_ctl_value(cval, GET_CUR, (cval->control << 8) | channel, value);
}
* set a mixer value
*/
-static int set_ctl_value(usb_mixer_elem_info_t *cval, int request, int validx, int value_set)
+static int 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;
int timeout = 10;
-
+
value_set = convert_bytes_value(cval, value_set);
buf[0] = value_set & 0xff;
buf[1] = (value_set >> 8) & 0xff;
while (timeout -- > 0)
- if (snd_usb_ctl_msg(cval->chip->dev, usb_sndctrlpipe(cval->chip->dev, 0),
+ if (snd_usb_ctl_msg(cval->mixer->chip->dev,
+ usb_sndctrlpipe(cval->mixer->chip->dev, 0),
request,
USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT,
- validx, cval->ctrlif | (cval->id << 8),
- buf, val_len, HZ / 10) >= 0)
+ validx, cval->mixer->ctrlif | (cval->id << 8),
+ buf, val_len, 100) >= 0)
return 0;
- snd_printdd(KERN_ERR "cannot set ctl value: req = 0x%x, wValue = 0x%x, wIndex = 0x%x, type = %d, data = 0x%x/0x%x\n", request, validx, cval->ctrlif | (cval->id << 8), cval->val_type, buf[0], buf[1]);
+ snd_printdd(KERN_ERR "cannot set ctl value: req = %#x, wValue = %#x, wIndex = %#x, type = %d, data = %#x/%#x\n",
+ request, validx, cval->mixer->ctrlif | (cval->id << 8), cval->val_type, buf[0], buf[1]);
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);
}
-inline static int set_cur_mix_value(usb_mixer_elem_info_t *cval, int channel, int value)
+static inline int set_cur_mix_value(struct usb_mixer_elem_info *cval, int channel, int value)
{
return set_ctl_value(cval, SET_CUR, (cval->control << 8) | channel, value);
}
+/*
+ * TLV callback for mixer volume controls
+ */
+static int mixer_vol_tlv(struct snd_kcontrol *kcontrol, int op_flag,
+ unsigned int size, unsigned int __user *_tlv)
+{
+ struct usb_mixer_elem_info *cval = kcontrol->private_data;
+ DECLARE_TLV_DB_SCALE(scale, 0, 0, 0);
+
+ if (size < sizeof(scale))
+ return -ENOMEM;
+ /* USB descriptions contain the dB scale in 1/256 dB unit
+ * while ALSA TLV contains in 1/100 dB unit
+ */
+ scale[2] = (convert_signed_value(cval, cval->min) * 100) / 256;
+ scale[3] = (convert_signed_value(cval, cval->res) * 100) / 256;
+ if (copy_to_user(_tlv, scale, sizeof(scale)))
+ return -EFAULT;
+ return 0;
+}
/*
- * parser routines begin here...
+ * 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);
/*
static int check_matrix_bitmap(unsigned char *bmap, int ich, int och, int num_outs)
{
int idx = ich * num_outs + och;
- return bmap[-(idx >> 3)] & (0x80 >> (idx & 7));
+ return bmap[idx >> 3] & (0x80 >> (idx & 7));
}
* if failed, give up and free the control instance.
*/
-static int add_control_to_empty(snd_card_t *card, 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(card, &kctl->id))
+
+ while (snd_ctl_find_id(state->chip->card, &kctl->id))
kctl->id.index++;
- if ((err = snd_ctl_add(card, kctl)) < 0) {
+ 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;
}
{ 0x0712, "Multi-Track Recorder" },
{ 0x0713, "Synthesizer" },
{ 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;
* 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;
/* 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) {
- snd_magic_kfree((void *)kctl->private_data);
- kctl->private_data = 0;
- }
+ 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;
}
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) {
- snd_printd(KERN_ERR "%d:%d: cannot get min/max values for control %d (id %d)\n", cval->id, cval->ctrlif, cval->control, cval->id);
+ 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) {
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)
break;
}
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_value(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, test) ||
+ get_cur_mix_value(cval, minchn, &check)) {
+ cval->res = last_valid_res;
+ break;
+ }
+ if (test == check)
+ break;
+ cval->res *= 2;
+ }
+ set_cur_mix_value(cval, minchn, saved);
+ }
+
cval->initialized = 1;
}
return 0;
/* get a feature/mixer unit info */
-static int mixer_ctl_feature_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
-{
- usb_mixer_elem_info_t *cval = snd_magic_cast(usb_mixer_elem_info_t, kcontrol->private_data, return -EINVAL);
+static int mixer_ctl_feature_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
+{
+ 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 = snd_magic_cast(usb_mixer_elem_info_t, kcontrol->private_data, return -EINVAL);
+ struct usb_mixer_elem_info *cval = kcontrol->private_data;
int c, cnt, val, err;
if (cval->cmask) {
if (cval->cmask & (1 << c)) {
err = get_cur_mix_value(cval, c + 1, &val);
if (err < 0) {
- if (cval->chip->ignore_ctl_error) {
+ if (cval->mixer->ignore_ctl_error) {
ucontrol->value.integer.value[0] = cval->min;
return 0;
}
/* master channel */
err = get_cur_mix_value(cval, 0, &val);
if (err < 0) {
- if (cval->chip->ignore_ctl_error) {
+ if (cval->mixer->ignore_ctl_error) {
ucontrol->value.integer.value[0] = cval->min;
return 0;
}
}
/* 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 = snd_magic_cast(usb_mixer_elem_info_t, kcontrol->private_data, return -EINVAL);
+ struct usb_mixer_elem_info *cval = kcontrol->private_data;
int c, cnt, val, oval, err;
int changed = 0;
if (cval->cmask & (1 << c)) {
err = get_cur_mix_value(cval, c + 1, &oval);
if (err < 0) {
- if (cval->chip->ignore_ctl_error)
+ if (cval->mixer->ignore_ctl_error)
return 0;
return err;
}
} else {
/* master channel */
err = get_cur_mix_value(cval, 0, &oval);
- if (err < 0 && cval->chip->ignore_ctl_error)
+ if (err < 0 && cval->mixer->ignore_ctl_error)
return 0;
if (err < 0)
return err;
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 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;
control++; /* change from zero-based to 1-based value */
if (check_ignored_ctl(state, unitid, control))
return;
- cval = snd_magic_kcalloc(usb_mixer_elem_info_t, 0, GFP_KERNEL);
+ cval = kzalloc(sizeof(*cval), GFP_KERNEL);
if (! cval) {
snd_printk(KERN_ERR "cannot malloc kcontrol\n");
return;
}
- cval->chip = state->chip;
- cval->ctrlif = state->ctrlif;
+ cval->mixer = state->mixer;
cval->id = unitid;
cval->control = control;
cval->cmask = ctl_mask;
kctl = snd_ctl_new1(&usb_feature_unit_ctl, cval);
if (! kctl) {
snd_printk(KERN_ERR "cannot malloc kcontrol\n");
- snd_magic_kfree(cval);
+ kfree(cval);
return;
}
kctl->private_free = usb_mixer_elem_free;
}
strlcat(kctl->id.name + len, control == USB_FEATURE_MUTE ? " Switch" : " Volume",
sizeof(kctl->id.name));
+ if (control == USB_FEATURE_VOLUME) {
+ kctl->tlv.c = mixer_vol_tlv;
+ kctl->vd[0].access |=
+ SNDRV_CTL_ELEM_ACCESS_TLV_READ |
+ SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
+ }
break;
default:
/* 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;
+ 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):
+ if (!strcmp(kctl->id.name, "PCM Playback Volume") &&
+ cval->min == -15616) {
+ snd_printk(KERN_INFO "using volume control quirk for the UDA1321/N101 chip\n");
+ cval->max = -256;
+ }
}
snd_printdd(KERN_INFO "[%d] FU [%s] ch = %d, val = %d/%d/%d\n",
cval->id, kctl->id.name, cval->channels, cval->min, cval->max, cval->res);
- add_control_to_empty(state->chip->card, kctl);
+ add_control_to_empty(state, kctl);
}
*
* 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, unsigned char *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;
if (master_bits & (1 << i))
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,
- int in_ch, int unitid)
+static void build_mixer_unit_ctl(struct mixer_build *state, unsigned char *desc,
+ int in_pin, int in_ch, int unitid,
+ struct usb_audio_term *iterm)
{
- usb_mixer_elem_info_t *cval;
- unsigned int num_ins = desc[4];
- unsigned int num_outs = desc[5 + num_ins];
+ 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;
- usb_audio_term_t iterm;
+ struct snd_kcontrol *kctl;
if (check_ignored_ctl(state, unitid, 0))
return;
- cval = snd_magic_kcalloc(usb_mixer_elem_info_t, 0, GFP_KERNEL);
+ cval = kzalloc(sizeof(*cval), GFP_KERNEL);
if (! cval)
return;
- if (check_input_term(state, desc[5 + in_ch], &iterm) < 0)
- return;
-
- cval->chip = state->chip;
- cval->ctrlif = state->ctrlif;
+ cval->mixer = state->mixer;
cval->id = unitid;
cval->control = in_ch + 1; /* based on 1 */
cval->val_type = USB_MIXER_S16;
for (i = 0; i < num_outs; i++) {
- if (check_matrix_bitmap(desc + 9 + num_ins, in_ch, i, num_outs)) {
+ if (check_matrix_bitmap(desc + 9 + input_pins, in_ch, i, num_outs)) {
cval->cmask |= (1 << i);
cval->channels++;
}
kctl = snd_ctl_new1(&usb_feature_unit_ctl, cval);
if (! kctl) {
snd_printk(KERN_ERR "cannot malloc kcontrol\n");
- snd_magic_kfree(cval);
+ kfree(cval);
return;
}
kctl->private_free = usb_mixer_elem_free;
len = check_mapped_name(state, unitid, 0, kctl->id.name, sizeof(kctl->id.name));
if (! len)
- len = get_term_name(state, &iterm, kctl->id.name, sizeof(kctl->id.name), 0);
+ 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);
+ len = sprintf(kctl->id.name, "Mixer Source %d", in_ch + 1);
strlcat(kctl->id.name + len, " Volume", sizeof(kctl->id.name));
snd_printdd(KERN_INFO "[%d] MU [%s] ch = %d, val = %d/%d\n",
cval->id, kctl->id.name, cval->channels, cval->min, cval->max);
- add_control_to_empty(state->chip->card, kctl);
+ add_control_to_empty(state, kctl);
}
/*
* 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)
{
- int num_ins, num_outs;
- int i, err;
- if (desc[0] < 12 || ! (num_ins = desc[4]) || ! (num_outs = desc[5 + num_ins]))
+ struct usb_audio_term iterm;
+ int input_pins, num_ins, num_outs;
+ int pin, ich, err;
+
+ if (desc[0] < 11 || ! (input_pins = desc[4]) || ! (num_outs = desc[5 + input_pins])) {
+ snd_printk(KERN_ERR "invalid MIXER UNIT descriptor %d\n", unitid);
return -EINVAL;
+ }
+ /* no bmControls field (e.g. Maya44) -> ignore */
+ if (desc[0] <= 10 + input_pins) {
+ snd_printdd(KERN_INFO "MU %d has no bmControls field\n", unitid);
+ return 0;
+ }
- for (i = 0; i < num_ins; i++) {
- err = parse_audio_unit(state, desc[5 + i]);
+ num_ins = 0;
+ ich = 0;
+ for (pin = 0; pin < input_pins; pin++) {
+ err = parse_audio_unit(state, desc[5 + pin]);
if (err < 0)
return err;
- if (check_matrix_bitmap(desc + 9 + num_ins, i, 0, num_outs))
- build_mixer_unit_ctl(state, desc, i, unitid);
+ err = check_input_term(state, desc[5 + pin], &iterm);
+ if (err < 0)
+ return err;
+ num_ins += iterm.channels;
+ for (; ich < num_ins; ++ich) {
+ int och, ich_has_controls = 0;
+
+ for (och = 0; och < num_outs; ++och) {
+ if (check_matrix_bitmap(desc + 9 + input_pins,
+ ich, och, num_outs)) {
+ ich_has_controls = 1;
+ break;
+ }
+ }
+ if (ich_has_controls)
+ build_mixer_unit_ctl(state, desc, pin, ich,
+ unitid, &iterm);
+ }
}
return 0;
}
*/
/* 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 = snd_magic_cast(usb_mixer_elem_info_t, kcontrol->private_data, return -EINVAL);
+ struct usb_mixer_elem_info *cval = kcontrol->private_data;
int err, val;
err = get_cur_ctl_value(cval, cval->control << 8, &val);
- if (err < 0 && cval->chip->ignore_ctl_error) {
+ if (err < 0 && cval->mixer->ignore_ctl_error) {
ucontrol->value.integer.value[0] = cval->min;
return 0;
}
}
/* 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 = snd_magic_cast(usb_mixer_elem_info_t, kcontrol->private_data, return -EINVAL);
+ struct usb_mixer_elem_info *cval = kcontrol->private_data;
int val, oval, err;
err = get_cur_ctl_value(cval, cval->control << 8, &oval);
if (err < 0) {
- if (cval->chip->ignore_ctl_error)
+ if (cval->mixer->ignore_ctl_error)
return 0;
return err;
}
}
/* 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,
/*
* 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;
}
type = combine_word(&dsc[4]);
- if (! type)
- return 0; /* undefined? */
-
for (info = list; info && info->type; info++)
if (info->type == type)
break;
continue;
if (check_ignored_ctl(state, unitid, valinfo->control))
continue;
- cval = snd_magic_kcalloc(usb_mixer_elem_info_t, 0, GFP_KERNEL);
+ cval = kzalloc(sizeof(*cval), GFP_KERNEL);
if (! cval) {
snd_printk(KERN_ERR "cannot malloc kcontrol\n");
return -ENOMEM;
}
- cval->chip = state->chip;
- cval->ctrlif = state->ctrlif;
+ cval->mixer = state->mixer;
cval->id = unitid;
cval->control = valinfo->control;
cval->val_type = valinfo->val_type;
kctl = snd_ctl_new1(&mixer_procunit_ctl, cval);
if (! kctl) {
snd_printk(KERN_ERR "cannot malloc kcontrol\n");
- snd_magic_kfree(cval);
+ kfree(cval);
return -ENOMEM;
}
kctl->private_free = usb_mixer_elem_free;
snd_printdd(KERN_INFO "[%d] PU [%s] ch = %d, val = %d/%d\n",
cval->id, kctl->id.name, cval->channels, cval->min, cval->max);
- if ((err = add_control_to_empty(state->chip->card, kctl)) < 0)
+ if ((err = add_control_to_empty(state, kctl)) < 0)
return err;
}
return 0;
}
-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");
}
/* 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)
-{
- usb_mixer_elem_info_t *cval = snd_magic_cast(usb_mixer_elem_info_t, kcontrol->private_data, return -EINVAL);
+static int mixer_ctl_selector_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
+{
+ struct usb_mixer_elem_info *cval = kcontrol->private_data;
char **itemlist = (char **)kcontrol->private_value;
snd_assert(itemlist, return -EINVAL);
}
/* 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 = snd_magic_cast(usb_mixer_elem_info_t, kcontrol->private_data, return -EINVAL);
+ struct usb_mixer_elem_info *cval = kcontrol->private_data;
int val, err;
err = get_cur_ctl_value(cval, 0, &val);
if (err < 0) {
- if (cval->chip->ignore_ctl_error) {
+ if (cval->mixer->ignore_ctl_error) {
ucontrol->value.enumerated.item[0] = 0;
return 0;
}
}
/* 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 = snd_magic_cast(usb_mixer_elem_info_t, kcontrol->private_data, return -EINVAL);
+ struct usb_mixer_elem_info *cval = kcontrol->private_data;
int val, oval, err;
err = get_cur_ctl_value(cval, 0, &oval);
if (err < 0) {
- if (cval->chip->ignore_ctl_error)
+ if (cval->mixer->ignore_ctl_error)
return 0;
return err;
}
}
/* 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 = snd_magic_cast(usb_mixer_elem_info_t, kctl->private_data,);
+ struct usb_mixer_elem_info *cval = kctl->private_data;
num_ins = cval->max;
- snd_magic_kfree(cval);
- kctl->private_data = 0;
+ kfree(cval);
+ kctl->private_data = NULL;
}
if (kctl->private_value) {
char **itemlist = (char **)kctl->private_value;
/*
* 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;
char **namelist;
if (! num_ins || desc[0] < 6 + num_ins) {
if (check_ignored_ctl(state, unitid, 0))
return 0;
- cval = snd_magic_kcalloc(usb_mixer_elem_info_t, 0, GFP_KERNEL);
+ cval = kzalloc(sizeof(*cval), GFP_KERNEL);
if (! cval) {
snd_printk(KERN_ERR "cannot malloc kcontrol\n");
return -ENOMEM;
}
- cval->chip = state->chip;
- cval->ctrlif = state->ctrlif;
+ cval->mixer = state->mixer;
cval->id = unitid;
cval->val_type = USB_MIXER_U8;
cval->channels = 1;
namelist = kmalloc(sizeof(char *) * num_ins, GFP_KERNEL);
if (! namelist) {
snd_printk(KERN_ERR "cannot malloc\n");
- snd_magic_kfree(cval);
+ kfree(cval);
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);
- snd_magic_kfree(cval);
+ kfree(cval);
return -ENOMEM;
}
- if (check_input_term(state, desc[5 + i], &iterm) >= 0)
+ len = check_mapped_selector_name(state, unitid, i, namelist[i],
+ MAX_ITEM_NAME_LEN);
+ if (! len && check_input_term(state, desc[5 + i], &iterm) >= 0)
len = get_term_name(state, &iterm, namelist[i], MAX_ITEM_NAME_LEN, 0);
if (! len)
sprintf(namelist[i], "Input %d", i);
kctl = snd_ctl_new1(&mixer_selectunit_ctl, cval);
if (! kctl) {
snd_printk(KERN_ERR "cannot malloc kcontrol\n");
- snd_magic_kfree(cval);
+ kfree(namelist);
+ kfree(cval);
return -ENOMEM;
}
kctl->private_value = (unsigned long)namelist;
snd_printdd(KERN_INFO "[%d] SU [%s] items = %d\n",
cval->id, kctl->id.name, num_ins);
- if ((err = add_control_to_empty(state->chip->card, kctl)) < 0)
+ if ((err = add_control_to_empty(state, kctl)) < 0)
return err;
return 0;
* 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;
}
}
+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(struct snd_device *device)
+{
+ struct usb_mixer_interface *mixer = device->device_data;
+ snd_usb_mixer_free(mixer);
+ return 0;
+}
+
/*
* create mixer controls
*
* walk through all OUTPUT_TERMINAL descriptors to search for mixers
*/
-int snd_usb_create_mixer(snd_usb_audio_t *chip, int ctrlif)
+static int snd_usb_mixer_controls(struct usb_mixer_interface *mixer)
{
unsigned char *desc;
- mixer_build_t state;
+ struct mixer_build state;
int err;
const struct usbmix_ctl_map *map;
- struct usb_device_descriptor *dev = &chip->dev->descriptor;
- struct usb_host_interface *hostif = &usb_ifnum_to_if(chip->dev, ctrlif)->altsetting[0];
-
- strcpy(chip->card->mixername, "USB Mixer");
+ struct usb_host_interface *hostif;
+ hostif = &usb_ifnum_to_if(mixer->chip->dev, mixer->ctrlif)->altsetting[0];
memset(&state, 0, sizeof(state));
- state.chip = chip;
+ state.chip = mixer->chip;
+ state.mixer = mixer;
state.buffer = hostif->extra;
state.buflen = hostif->extralen;
- state.ctrlif = ctrlif;
- state.vendor = dev->idVendor;
- state.product = dev->idProduct;
/* check the mapping table */
- for (map = usbmix_ctl_maps; map->vendor; map++) {
- if (map->vendor == dev->idVendor && map->product == dev->idProduct) {
+ for (map = usbmix_ctl_maps; map->id; map++) {
+ if (map->id == state.chip->usb_id) {
state.map = map->map;
- chip->ignore_ctl_error = map->ignore_ctl_error;
+ state.selector_map = map->selector_map;
+ mixer->ignore_ctl_error = map->ignore_ctl_error;
break;
}
}
-#ifdef IGNORE_CTL_ERROR
- chip->ignore_ctl_error = 1;
-#endif
desc = NULL;
while ((desc = snd_usb_find_csint_desc(hostif->extra, hostif->extralen, desc, OUTPUT_TERMINAL)) != NULL) {
}
return 0;
}
+
+static 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_memory_change(struct usb_mixer_interface *mixer,
+ int unitid)
+{
+ if (!mixer->rc_cfg)
+ return;
+ /* unit ids specific to Extigy/Audigy 2 NX: */
+ switch (unitid) {
+ case 0: /* remote control */
+ mixer->rc_urb->dev = mixer->chip->dev;
+ usb_submit_urb(mixer->rc_urb, GFP_ATOMIC);
+ break;
+ case 4: /* digital in jack */
+ case 7: /* line in jacks */
+ case 19: /* speaker out jacks */
+ case 20: /* headphones out jack */
+ break;
+ default:
+ snd_printd(KERN_DEBUG "memory change in unknown unit %d\n", unitid);
+ break;
+ }
+}
+
+static void snd_usb_mixer_status_complete(struct urb *urb)
+{
+ struct 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_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 ((ep->bEndpointAddress & USB_ENDPOINT_DIR_MASK) != USB_DIR_IN ||
+ (ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_INT)
+ return 0;
+
+ epnum = ep->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
+ 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;
+}
+
+static void snd_usb_soundblaster_remote_complete(struct urb *urb)
+{
+ struct usb_mixer_interface *mixer = urb->context;
+ const struct rc_config *rc = mixer->rc_cfg;
+ u32 code;
+
+ if (urb->status < 0 || urb->actual_length < rc->packet_length)
+ return;
+
+ code = mixer->rc_buffer[rc->offset];
+ if (rc->length == 2)
+ code |= mixer->rc_buffer[rc->offset + 1] << 8;
+
+ /* the Mute button actually changes the mixer control */
+ if (code == rc->mute_code)
+ snd_usb_mixer_notify_id(mixer, rc->mute_mixer_id);
+ mixer->rc_code = code;
+ wmb();
+ wake_up(&mixer->rc_waitq);
+}
+
+static int snd_usb_sbrc_hwdep_open(struct snd_hwdep *hw, struct file *file)
+{
+ struct usb_mixer_interface *mixer = hw->private_data;
+
+ if (test_and_set_bit(0, &mixer->rc_hwdep_open))
+ return -EBUSY;
+ return 0;
+}
+
+static int snd_usb_sbrc_hwdep_release(struct snd_hwdep *hw, struct file *file)
+{
+ struct usb_mixer_interface *mixer = hw->private_data;
+
+ clear_bit(0, &mixer->rc_hwdep_open);
+ smp_mb__after_clear_bit();
+ return 0;
+}
+
+static long snd_usb_sbrc_hwdep_read(struct snd_hwdep *hw, char __user *buf,
+ long count, loff_t *offset)
+{
+ struct usb_mixer_interface *mixer = hw->private_data;
+ int err;
+ u32 rc_code;
+
+ if (count != 1 && count != 4)
+ return -EINVAL;
+ err = wait_event_interruptible(mixer->rc_waitq,
+ (rc_code = xchg(&mixer->rc_code, 0)) != 0);
+ if (err == 0) {
+ if (count == 1)
+ err = put_user(rc_code, buf);
+ else
+ err = put_user(rc_code, (u32 __user *)buf);
+ }
+ return err < 0 ? err : count;
+}
+
+static unsigned int snd_usb_sbrc_hwdep_poll(struct snd_hwdep *hw, struct file *file,
+ poll_table *wait)
+{
+ struct usb_mixer_interface *mixer = hw->private_data;
+
+ poll_wait(file, &mixer->rc_waitq, wait);
+ return mixer->rc_code ? POLLIN | POLLRDNORM : 0;
+}
+
+static int snd_usb_soundblaster_remote_init(struct usb_mixer_interface *mixer)
+{
+ struct snd_hwdep *hwdep;
+ int err, len, i;
+
+ for (i = 0; i < ARRAY_SIZE(rc_configs); ++i)
+ if (rc_configs[i].usb_id == mixer->chip->usb_id)
+ break;
+ if (i >= ARRAY_SIZE(rc_configs))
+ return 0;
+ mixer->rc_cfg = &rc_configs[i];
+
+ len = mixer->rc_cfg->packet_length;
+
+ init_waitqueue_head(&mixer->rc_waitq);
+ err = snd_hwdep_new(mixer->chip->card, "SB remote control", 0, &hwdep);
+ if (err < 0)
+ return err;
+ snprintf(hwdep->name, sizeof(hwdep->name),
+ "%s remote control", mixer->chip->card->shortname);
+ hwdep->iface = SNDRV_HWDEP_IFACE_SB_RC;
+ hwdep->private_data = mixer;
+ hwdep->ops.read = snd_usb_sbrc_hwdep_read;
+ hwdep->ops.open = snd_usb_sbrc_hwdep_open;
+ hwdep->ops.release = snd_usb_sbrc_hwdep_release;
+ hwdep->ops.poll = snd_usb_sbrc_hwdep_poll;
+
+ mixer->rc_urb = usb_alloc_urb(0, GFP_KERNEL);
+ if (!mixer->rc_urb)
+ return -ENOMEM;
+ mixer->rc_setup_packet = kmalloc(sizeof(*mixer->rc_setup_packet), GFP_KERNEL);
+ if (!mixer->rc_setup_packet) {
+ usb_free_urb(mixer->rc_urb);
+ mixer->rc_urb = NULL;
+ return -ENOMEM;
+ }
+ 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->wValue = cpu_to_le16(0);
+ mixer->rc_setup_packet->wIndex = cpu_to_le16(0);
+ mixer->rc_setup_packet->wLength = cpu_to_le16(len);
+ usb_fill_control_urb(mixer->rc_urb, mixer->chip->dev,
+ usb_rcvctrlpipe(mixer->chip->dev, 0),
+ (u8*)mixer->rc_setup_packet, mixer->rc_buffer, len,
+ snd_usb_soundblaster_remote_complete, mixer);
+ return 0;
+}
+
+static int snd_audigy2nx_led_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
+ uinfo->count = 1;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = 1;
+ return 0;
+}
+
+static int snd_audigy2nx_led_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
+ int index = kcontrol->private_value;
+
+ ucontrol->value.integer.value[0] = mixer->audigy2nx_leds[index];
+ return 0;
+}
+
+static int snd_audigy2nx_led_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
+ int index = kcontrol->private_value;
+ int value = ucontrol->value.integer.value[0];
+ int err, changed;
+
+ if (value > 1)
+ return -EINVAL;
+ changed = value != mixer->audigy2nx_leds[index];
+ err = snd_usb_ctl_msg(mixer->chip->dev,
+ usb_sndctrlpipe(mixer->chip->dev, 0), 0x24,
+ USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
+ value, index + 2, NULL, 0, 100);
+ if (err < 0)
+ return err;
+ mixer->audigy2nx_leds[index] = value;
+ return changed;
+}
+
+static struct snd_kcontrol_new snd_audigy2nx_controls[] = {
+ {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "CMSS LED Switch",
+ .info = snd_audigy2nx_led_info,
+ .get = snd_audigy2nx_led_get,
+ .put = snd_audigy2nx_led_put,
+ .private_value = 0,
+ },
+ {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "Power LED Switch",
+ .info = snd_audigy2nx_led_info,
+ .get = snd_audigy2nx_led_get,
+ .put = snd_audigy2nx_led_put,
+ .private_value = 1,
+ },
+ {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "Dolby Digital LED Switch",
+ .info = snd_audigy2nx_led_info,
+ .get = snd_audigy2nx_led_get,
+ .put = snd_audigy2nx_led_put,
+ .private_value = 2,
+ },
+};
+
+static int snd_audigy2nx_controls_create(struct usb_mixer_interface *mixer)
+{
+ int i, err;
+
+ for (i = 0; i < ARRAY_SIZE(snd_audigy2nx_controls); ++i) {
+ err = snd_ctl_add(mixer->chip->card,
+ snd_ctl_new1(&snd_audigy2nx_controls[i], mixer));
+ if (err < 0)
+ return err;
+ }
+ mixer->audigy2nx_leds[1] = 1; /* Power LED is on by default */
+ return 0;
+}
+
+static void snd_audigy2nx_proc_read(struct snd_info_entry *entry,
+ struct snd_info_buffer *buffer)
+{
+ static const struct {
+ int unitid;
+ const char *name;
+ } jacks[] = {
+ {4, "dig in "},
+ {7, "line in"},
+ {19, "spk out"},
+ {20, "hph out"},
+ };
+ struct usb_mixer_interface *mixer = entry->private_data;
+ int i, err;
+ u8 buf[3];
+
+ snd_iprintf(buffer, "%s jacks\n\n", mixer->chip->card->shortname);
+ for (i = 0; i < ARRAY_SIZE(jacks); ++i) {
+ snd_iprintf(buffer, "%s: ", jacks[i].name);
+ err = snd_usb_ctl_msg(mixer->chip->dev,
+ usb_rcvctrlpipe(mixer->chip->dev, 0),
+ GET_MEM, USB_DIR_IN | USB_TYPE_CLASS |
+ USB_RECIP_INTERFACE, 0,
+ jacks[i].unitid << 8, buf, 3, 100);
+ if (err == 3 && buf[0] == 3)
+ snd_iprintf(buffer, "%02x %02x\n", buf[1], buf[2]);
+ else
+ snd_iprintf(buffer, "?\n");
+ }
+}
+
+int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif)
+{
+ static struct snd_device_ops dev_ops = {
+ .dev_free = snd_usb_mixer_dev_free
+ };
+ struct usb_mixer_interface *mixer;
+ int err;
+
+ strcpy(chip->card->mixername, "USB Mixer");
+
+ 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->id_elems = kcalloc(256, sizeof(*mixer->id_elems), GFP_KERNEL);
+ if (!mixer->id_elems) {
+ kfree(mixer);
+ return -ENOMEM;
+ }
+
+ if ((err = snd_usb_mixer_controls(mixer)) < 0 ||
+ (err = snd_usb_mixer_status_create(mixer)) < 0)
+ goto _error;
+
+ if ((err = snd_usb_soundblaster_remote_init(mixer)) < 0)
+ goto _error;
+
+ if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020)) {
+ struct snd_info_entry *entry;
+
+ if ((err = snd_audigy2nx_controls_create(mixer)) < 0)
+ goto _error;
+ if (!snd_card_proc_new(chip->card, "audigy2nx", &entry))
+ snd_info_set_text_ops(entry, mixer,
+ snd_audigy2nx_proc_read);
+ }
+
+ err = snd_device_new(chip->card, SNDRV_DEV_LOWLEVEL, mixer, &dev_ops);
+ if (err < 0)
+ goto _error;
+ 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://git.onelab.eu / linux-2.6.git / blobdiff