diff options
Diffstat (limited to 'sound/usb/usbmixer.c')
| -rw-r--r-- | sound/usb/usbmixer.c | 588 |
1 files changed, 521 insertions, 67 deletions
diff --git a/sound/usb/usbmixer.c b/sound/usb/usbmixer.c index 5f1906915aa6..e73c1c9d3e73 100644 --- a/sound/usb/usbmixer.c +++ b/sound/usb/usbmixer.c @@ -35,10 +35,11 @@ #include <linux/usb.h> #include <sound/core.h> #include <sound/control.h> +#include <sound/hwdep.h> +#include <sound/info.h> #include "usbaudio.h" - /* */ @@ -50,6 +51,31 @@ typedef struct usb_audio_term usb_audio_term_t; typedef struct usb_mixer_elem_info usb_mixer_elem_info_t; +struct usb_mixer_interface { + snd_usb_audio_t *chip; + unsigned int ctrlif; + struct list_head list; + unsigned int ignore_ctl_error; + struct urb *urb; + usb_mixer_elem_info_t **id_elems; /* array[256], indexed by unit id */ + + /* Sound Blaster remote control stuff */ + enum { + RC_NONE, + RC_EXTIGY, + RC_AUDIGY2NX, + } rc_type; + 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 { int id; int type; @@ -62,26 +88,26 @@ struct usbmix_name_map; struct usb_mixer_build { snd_usb_audio_t *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); + DECLARE_BITMAP(unitbitmap, 256); usb_audio_term_t 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; + usb_mixer_elem_info_t *next_id_elem; /* list of controls with same id */ + snd_ctl_elem_id_t *elem_id; unsigned int id; unsigned int control; /* CS or ICN (high byte) */ unsigned int cmask; /* channel mask bitmap: 0 = master */ int channels; int val_type; int min, max, res; - unsigned int initialized: 1; + u8 initialized; }; @@ -187,6 +213,21 @@ 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(mixer_build_t *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 */ @@ -301,16 +342,18 @@ static int get_ctl_value(usb_mixer_elem_info_t *cval, int request, int validx, i 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), + 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; } @@ -339,13 +382,15 @@ static int set_ctl_value(usb_mixer_elem_info_t *cval, int request, int validx, i 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), + 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; } @@ -385,16 +430,22 @@ 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(mixer_build_t *state, snd_kcontrol_t *kctl) { + usb_mixer_elem_info_t *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; } @@ -572,10 +623,8 @@ static struct usb_feature_control_info audio_feature_info[] = { /* private_free callback */ static void usb_mixer_elem_free(snd_kcontrol_t *kctl) { - if (kctl->private_data) { - kfree(kctl->private_data); - kctl->private_data = NULL; - } + kfree(kctl->private_data); + kctl->private_data = NULL; } @@ -608,7 +657,8 @@ 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) { @@ -668,7 +718,7 @@ 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 +734,7 @@ 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; } @@ -710,7 +760,7 @@ 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 +777,7 @@ 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; @@ -779,8 +829,7 @@ static void build_feature_ctl(mixer_build_t *state, unsigned char *desc, 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; @@ -855,16 +904,21 @@ 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("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); } @@ -947,8 +1001,7 @@ static void build_mixer_unit_ctl(mixer_build_t *state, unsigned char *desc, if (! cval) 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; @@ -979,7 +1032,7 @@ static void build_mixer_unit_ctl(mixer_build_t *state, unsigned char *desc, 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); } @@ -1042,7 +1095,7 @@ static int mixer_ctl_procunit_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t 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; } @@ -1061,7 +1114,7 @@ static int mixer_ctl_procunit_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t 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; } @@ -1179,9 +1232,6 @@ 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; @@ -1199,8 +1249,7 @@ static int build_audio_procunit(mixer_build_t *state, int unitid, unsigned char 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; @@ -1241,7 +1290,7 @@ 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; @@ -1289,7 +1338,7 @@ static int mixer_ctl_selector_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t 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; } @@ -1308,7 +1357,7 @@ static int mixer_ctl_selector_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t 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; } @@ -1386,8 +1435,7 @@ static int parse_audio_selector_unit(mixer_build_t *state, int unitid, unsigned 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; @@ -1415,7 +1463,9 @@ static int parse_audio_selector_unit(mixer_build_t *state, int unitid, unsigned 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); @@ -1450,7 +1500,7 @@ 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; @@ -1493,41 +1543,55 @@ 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); + } + if (mixer->rc_urb) + usb_free_urb(mixer->rc_urb); + kfree(mixer->rc_setup_packet); + kfree(mixer); +} + +static int snd_usb_mixer_dev_free(snd_device_t *device) +{ + 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; 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 = le16_to_cpu(dev->idVendor); - state.product = le16_to_cpu(dev->idProduct); /* check the mapping table */ - for (map = usbmix_ctl_maps; map->vendor; map++) { - if (map->vendor == state.vendor && map->product == state.product) { + for (map = usbmix_ctl_maps; map->id; map++) { + if (map->id == state.chip->usb_id) { state.map = map->map; - 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) { @@ -1543,3 +1607,393 @@ 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) +{ + usb_mixer_elem_info_t *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_type == RC_NONE) + 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 pt_regs *regs) +{ + 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 pt_regs *regs) +{ + struct usb_mixer_interface *mixer = urb->context; + /* + * format of remote control data: + * Extigy: xx 00 + * Audigy 2 NX: 06 80 xx 00 00 00 + */ + int offset = mixer->rc_type == RC_EXTIGY ? 0 : 2; + u32 code; + + if (urb->status < 0 || urb->actual_length <= offset) + return; + code = mixer->rc_buffer[offset]; + /* the Mute button actually changes the mixer control */ + if (code == 13) + snd_usb_mixer_notify_id(mixer, 18); + mixer->rc_code = code; + wmb(); + wake_up(&mixer->rc_waitq); +} + +static int snd_usb_sbrc_hwdep_open(snd_hwdep_t *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(snd_hwdep_t *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(snd_hwdep_t *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(snd_hwdep_t *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) +{ + snd_hwdep_t *hwdep; + int err, len; + + switch (mixer->chip->usb_id) { + case USB_ID(0x041e, 0x3000): + mixer->rc_type = RC_EXTIGY; + len = 2; + break; + case USB_ID(0x041e, 0x3020): + mixer->rc_type = RC_AUDIGY2NX; + len = 6; + break; + default: + return 0; + } + + 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(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *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(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *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(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *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 snd_kcontrol_new_t 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(snd_info_entry_t *entry, + snd_info_buffer_t *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(snd_usb_audio_t *chip, int ctrlif) +{ + static snd_device_ops_t dev_ops = { + .dev_free = snd_usb_mixer_dev_free + }; + struct usb_mixer_interface *mixer; + int err; + + strcpy(chip->card->mixername, "USB Mixer"); + + mixer = kcalloc(1, 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)) { + snd_info_entry_t *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, 1024, + 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); + if (mixer->urb) + usb_kill_urb(mixer->urb); + if (mixer->rc_urb) + usb_kill_urb(mixer->rc_urb); +} |