X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=sound%2Fusb%2Fusbmixer.c;h=7b3bf3545a3bd880cf911d4c39756aac93f1586e;hb=refs%2Fheads%2Fvserver;hp=a17d3f82daad7bd0e3faf6adc3e2f9bc324a45b9;hpb=9213980e6a70d8473e0ffd4b39ab5b6caaba9ff5;p=linux-2.6.git diff --git a/sound/usb/usbmixer.c b/sound/usb/usbmixer.c index a17d3f82d..7b3bf3545 100644 --- a/sound/usb/usbmixer.c +++ b/sound/usb/usbmixer.c @@ -5,7 +5,7 @@ * * Copyright (c) 2002 by Takashi Iwai * - * 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) * @@ -35,19 +35,58 @@ #include #include #include +#include +#include +#include #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 { @@ -60,28 +99,28 @@ 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; }; @@ -153,7 +192,7 @@ enum { #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; @@ -171,7 +210,7 @@ static int check_mapped_name(mixer_build_t *state, int unitid, int control, char } /* 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; @@ -187,10 +226,25 @@ static int check_ignored_ctl(mixer_build_t *state, int unitid, int control) 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; @@ -207,7 +261,7 @@ static void *find_audio_control_unit(mixer_build_t *state, unsigned char unit) /* * 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; @@ -217,7 +271,7 @@ static int snd_usb_copy_string_desc(mixer_build_t *state, int index, char *buf, /* * 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: @@ -247,7 +301,7 @@ static int convert_signed_value(usb_mixer_elem_info_t *cval, int val) /* * 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: @@ -264,19 +318,19 @@ static int convert_bytes_value(usb_mixer_elem_info_t *cval, int val) 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; @@ -294,33 +348,35 @@ static int get_abs_value(usb_mixer_elem_info_t *cval, int val) * 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); } @@ -329,42 +385,64 @@ inline static int get_cur_mix_value(usb_mixer_elem_info_t *cval, int channel, in * 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); /* @@ -374,7 +452,7 @@ static int parse_audio_unit(mixer_build_t *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)); } @@ -385,16 +463,21 @@ static int check_matrix_bitmap(unsigned char *bmap, int ich, int och, int num_ou * 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; } @@ -443,9 +526,9 @@ static struct iterm_name_combo { { 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; @@ -495,7 +578,7 @@ static int get_term_name(mixer_build_t *state, usb_audio_term_t *iterm, * 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; @@ -570,12 +653,10 @@ static struct usb_feature_control_info audio_feature_info[] = { /* 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; } @@ -586,7 +667,7 @@ static void usb_mixer_elem_free(snd_kcontrol_t *kctl) /* * 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; @@ -608,14 +689,15 @@ static int get_min_max(usb_mixer_elem_info_t *cval, int 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; @@ -626,6 +708,36 @@ static int get_min_max(usb_mixer_elem_info_t *cval, int default_min) } 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; @@ -633,9 +745,9 @@ static int get_min_max(usb_mixer_elem_info_t *cval, int default_min) /* 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) @@ -651,15 +763,16 @@ static int mixer_ctl_feature_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t 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) { @@ -668,7 +781,7 @@ static int mixer_ctl_feature_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t 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; } @@ -684,7 +797,7 @@ static int mixer_ctl_feature_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t /* 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; } @@ -698,9 +811,9 @@ static int mixer_ctl_feature_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t } /* 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; @@ -710,7 +823,7 @@ static int mixer_ctl_feature_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t 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; } @@ -727,7 +840,7 @@ static int mixer_ctl_feature_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t } 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; @@ -741,7 +854,7 @@ static int mixer_ctl_feature_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t 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, @@ -754,15 +867,15 @@ static snd_kcontrol_new_t usb_feature_unit_ctl = { * 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 */ @@ -774,13 +887,12 @@ static void build_feature_ctl(mixer_build_t *state, unsigned char *desc, 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; @@ -801,7 +913,7 @@ static void build_feature_ctl(mixer_build_t *state, unsigned char *desc, 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; @@ -842,6 +954,12 @@ static void build_feature_ctl(mixer_build_t *state, unsigned char *desc, } 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: @@ -855,16 +973,21 @@ static void build_feature_ctl(mixer_build_t *state, unsigned char *desc, /* 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); } @@ -874,10 +997,10 @@ static void build_feature_ctl(mixer_build_t *state, unsigned char *desc, * * 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; @@ -914,7 +1037,7 @@ static int parse_audio_feature_unit(mixer_build_t *state, int unitid, unsigned c if (master_bits & (1 << i)) build_feature_ctl(state, ftr, 0, i, &iterm, unitid); } - + return 0; } @@ -930,33 +1053,29 @@ static int parse_audio_feature_unit(mixer_build_t *state, int unitid, unsigned c * 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++; } @@ -968,40 +1087,67 @@ static void build_mixer_unit_ctl(mixer_build_t *state, unsigned char *desc, 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; } @@ -1012,13 +1158,13 @@ static int parse_audio_mixer_unit(mixer_build_t *state, int unitid, unsigned cha */ /* 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; } @@ -1030,14 +1176,14 @@ static int mixer_ctl_procunit_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t } /* 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; } @@ -1051,7 +1197,7 @@ static int mixer_ctl_procunit_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t } /* 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, @@ -1128,11 +1274,11 @@ static struct procunit_info procunits[] = { /* * 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; @@ -1155,9 +1301,6 @@ static int build_audio_procunit(mixer_build_t *state, int unitid, unsigned char } type = combine_word(&dsc[4]); - if (! type) - return 0; /* undefined? */ - for (info = list; info && info->type; info++) if (info->type == type) break; @@ -1170,13 +1313,12 @@ static int build_audio_procunit(mixer_build_t *state, int unitid, unsigned char 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; @@ -1195,7 +1337,7 @@ static int build_audio_procunit(mixer_build_t *state, int unitid, unsigned char 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; @@ -1217,19 +1359,19 @@ static int build_audio_procunit(mixer_build_t *state, int unitid, unsigned char 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"); } @@ -1242,9 +1384,9 @@ static int parse_audio_extension_unit(mixer_build_t *state, int unitid, unsigned /* 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); @@ -1258,14 +1400,14 @@ static int mixer_ctl_selector_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t } /* 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; } @@ -1277,14 +1419,14 @@ static int mixer_ctl_selector_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t } /* 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; } @@ -1298,7 +1440,7 @@ static int mixer_ctl_selector_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t } /* 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, @@ -1310,15 +1452,15 @@ static snd_kcontrol_new_t mixer_selectunit_ctl = { /* 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; @@ -1332,13 +1474,13 @@ static void usb_mixer_selector_elem_free(snd_kcontrol_t *kctl) /* * 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) { @@ -1357,13 +1499,12 @@ static int parse_audio_selector_unit(mixer_build_t *state, int unitid, unsigned 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; @@ -1375,23 +1516,25 @@ static int parse_audio_selector_unit(mixer_build_t *state, int unitid, unsigned 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); @@ -1400,7 +1543,8 @@ static int parse_audio_selector_unit(mixer_build_t *state, int unitid, unsigned 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; @@ -1426,7 +1570,7 @@ static int parse_audio_selector_unit(mixer_build_t *state, int unitid, unsigned 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; @@ -1437,7 +1581,7 @@ static int parse_audio_selector_unit(mixer_build_t *state, int unitid, unsigned * 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; @@ -1469,41 +1613,54 @@ static int parse_audio_unit(mixer_build_t *state, int unitid) } } +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) { @@ -1519,3 +1676,385 @@ int snd_usb_create_mixer(snd_usb_audio_t *chip, int ctrlif) } 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); +}