USB_MIXER_U16,
};
-enum {
- USB_PROC_UPDOWN = 1,
- USB_PROC_UPDOWN_SWITCH = 1,
- USB_PROC_UPDOWN_MODE_SEL = 2,
-
- USB_PROC_PROLOGIC = 2,
- USB_PROC_PROLOGIC_SWITCH = 1,
- USB_PROC_PROLOGIC_MODE_SEL = 2,
-
- USB_PROC_3DENH = 3,
- USB_PROC_3DENH_SWITCH = 1,
- USB_PROC_3DENH_SPACE = 2,
-
- USB_PROC_REVERB = 4,
- USB_PROC_REVERB_SWITCH = 1,
- USB_PROC_REVERB_LEVEL = 2,
- USB_PROC_REVERB_TIME = 3,
- USB_PROC_REVERB_DELAY = 4,
-
- USB_PROC_CHORUS = 5,
- USB_PROC_CHORUS_SWITCH = 1,
- USB_PROC_CHORUS_LEVEL = 2,
- USB_PROC_CHORUS_RATE = 3,
- USB_PROC_CHORUS_DEPTH = 4,
-
- USB_PROC_DCR = 6,
- USB_PROC_DCR_SWITCH = 1,
- USB_PROC_DCR_RATIO = 2,
- USB_PROC_DCR_MAX_AMP = 3,
- USB_PROC_DCR_THRESHOLD = 4,
- USB_PROC_DCR_ATTACK = 5,
- USB_PROC_DCR_RELEASE = 6,
-};
/*E-mu 0202(0404) eXtension Unit(XU) control*/
enum {
int index, int value)
{
int err;
+ unsigned int read_only = (channel == 0) ?
+ cval->master_readonly :
+ cval->ch_readonly & (1 << (channel - 1));
+
+ if (read_only) {
+ snd_printdd(KERN_INFO "%s(): channel %d of control %d is read_only\n",
+ __func__, channel, cval->control);
+ return 0;
+ }
+
err = snd_usb_mixer_set_ctl_value(cval, UAC_SET_CUR, (cval->control << 8) | channel,
value);
if (err < 0)
};
static struct usb_feature_control_info audio_feature_info[] = {
- { "Mute", USB_MIXER_INV_BOOLEAN },
- { "Volume", USB_MIXER_S16 },
+ { "Mute", USB_MIXER_INV_BOOLEAN },
+ { "Volume", USB_MIXER_S16 },
{ "Tone Control - Bass", USB_MIXER_S8 },
{ "Tone Control - Mid", USB_MIXER_S8 },
{ "Tone Control - Treble", USB_MIXER_S8 },
{ "Graphic Equalizer", USB_MIXER_S8 }, /* FIXME: not implemeted yet */
- { "Auto Gain Control", USB_MIXER_BOOLEAN },
- { "Delay Control", USB_MIXER_U16 },
- { "Bass Boost", USB_MIXER_BOOLEAN },
- { "Loudness", USB_MIXER_BOOLEAN },
+ { "Auto Gain Control", USB_MIXER_BOOLEAN },
+ { "Delay Control", USB_MIXER_U16 },
+ { "Bass Boost", USB_MIXER_BOOLEAN },
+ { "Loudness", USB_MIXER_BOOLEAN },
+ /* UAC2 specific */
+ { "Input Gain Control", USB_MIXER_U16 },
+ { "Input Gain Pad Control", USB_MIXER_BOOLEAN },
+ { "Phase Inverter Control", USB_MIXER_BOOLEAN },
};
static void build_feature_ctl(struct mixer_build *state, void *raw_desc,
unsigned int ctl_mask, int control,
struct usb_audio_term *iterm, int unitid,
- int read_only)
+ int readonly_mask)
{
struct uac_feature_unit_descriptor *desc = raw_desc;
unsigned int len = 0;
control++; /* change from zero-based to 1-based value */
- if (control == UAC_GRAPHIC_EQUALIZER_CONTROL) {
+ if (control == UAC_FU_GRAPHIC_EQUALIZER) {
/* FIXME: not supported yet */
return;
}
cval->control = control;
cval->cmask = ctl_mask;
cval->val_type = audio_feature_info[control-1].type;
- if (ctl_mask == 0)
+ if (ctl_mask == 0) {
cval->channels = 1; /* master channel */
- else {
+ cval->master_readonly = readonly_mask;
+ } else {
int i, c = 0;
for (i = 0; i < 16; i++)
if (ctl_mask & (1 << i))
c++;
cval->channels = c;
+ cval->ch_readonly = readonly_mask;
}
/* get min/max values */
get_min_max(cval, 0);
- if (read_only)
+ /* if all channels in the mask are marked read-only, make the control
+ * read-only. set_cur_mix_value() will check the mask again and won't
+ * issue write commands to read-only channels. */
+ if (cval->channels == readonly_mask)
kctl = snd_ctl_new1(&usb_feature_unit_ctl_ro, cval);
else
kctl = snd_ctl_new1(&usb_feature_unit_ctl, cval);
kctl->id.name, sizeof(kctl->id.name));
switch (control) {
- case UAC_MUTE_CONTROL:
- case UAC_VOLUME_CONTROL:
+ case UAC_FU_MUTE:
+ case UAC_FU_VOLUME:
/* determine the control name. the rule is:
* - if a name id is given in descriptor, use it.
* - if the connected input can be determined, then use the name
len = append_ctl_name(kctl, " Playback");
}
}
- append_ctl_name(kctl, control == UAC_MUTE_CONTROL ?
+ append_ctl_name(kctl, control == UAC_FU_MUTE ?
" Switch" : " Volume");
- if (control == UAC_VOLUME_CONTROL) {
+ if (control == UAC_FU_VOLUME) {
kctl->tlv.c = mixer_vol_tlv;
kctl->vd[0].access |=
SNDRV_CTL_ELEM_ACCESS_TLV_READ |
} else {
struct uac2_feature_unit_descriptor *ftr = _ftr;
csize = 4;
- channels = (hdr->bLength - 6) / 4;
+ channels = (hdr->bLength - 6) / 4 - 1;
bmaControls = ftr->bmaControls;
}
snd_printk(KERN_INFO
"usbmixer: master volume quirk for PCM2702 chip\n");
/* disable non-functional volume control */
- master_bits &= ~UAC_FU_VOLUME;
+ master_bits &= ~UAC_CONTROL_BIT(UAC_FU_VOLUME);
break;
}
if (channels > 0)
for (j = 0; j < channels; j++) {
unsigned int mask = snd_usb_combine_bytes(bmaControls + csize * (j+1), csize);
- if (mask & (1 << (i * 2))) {
+ if (uac2_control_is_readable(mask, i)) {
ch_bits |= (1 << j);
- if (~mask & (1 << ((i * 2) + 1)))
+ if (!uac2_control_is_writeable(mask, i))
ch_read_only |= (1 << j);
}
}
- /* FIXME: the whole unit is read-only if any of the channels is marked read-only */
+ /* NOTE: build_feature_ctl() will mark the control read-only if all channels
+ * are marked read-only in the descriptors. Otherwise, the control will be
+ * reported as writeable, but the driver will not actually issue a write
+ * command for read-only channels */
if (ch_bits & 1) /* the first channel must be set (for ease of programming) */
- build_feature_ctl(state, _ftr, ch_bits, i, &iterm, unitid, !!ch_read_only);
- if (master_bits & (1 << i * 2))
+ build_feature_ctl(state, _ftr, ch_bits, i, &iterm, unitid, ch_read_only);
+ if (uac2_control_is_readable(master_bits, i))
build_feature_ctl(state, _ftr, 0, i, &iterm, unitid,
- ~master_bits & (1 << ((i * 2) + 1)));
+ !uac2_control_is_writeable(master_bits, i));
}
}
};
static struct procunit_value_info updown_proc_info[] = {
- { USB_PROC_UPDOWN_SWITCH, "Switch", USB_MIXER_BOOLEAN },
- { USB_PROC_UPDOWN_MODE_SEL, "Mode Select", USB_MIXER_U8, 1 },
+ { UAC_UD_ENABLE, "Switch", USB_MIXER_BOOLEAN },
+ { UAC_UD_MODE_SELECT, "Mode Select", USB_MIXER_U8, 1 },
{ 0 }
};
static struct procunit_value_info prologic_proc_info[] = {
- { USB_PROC_PROLOGIC_SWITCH, "Switch", USB_MIXER_BOOLEAN },
- { USB_PROC_PROLOGIC_MODE_SEL, "Mode Select", USB_MIXER_U8, 1 },
+ { UAC_DP_ENABLE, "Switch", USB_MIXER_BOOLEAN },
+ { UAC_DP_MODE_SELECT, "Mode Select", USB_MIXER_U8, 1 },
{ 0 }
};
static struct procunit_value_info threed_enh_proc_info[] = {
- { USB_PROC_3DENH_SWITCH, "Switch", USB_MIXER_BOOLEAN },
- { USB_PROC_3DENH_SPACE, "Spaciousness", USB_MIXER_U8 },
+ { UAC_3D_ENABLE, "Switch", USB_MIXER_BOOLEAN },
+ { UAC_3D_SPACE, "Spaciousness", USB_MIXER_U8 },
{ 0 }
};
static struct procunit_value_info reverb_proc_info[] = {
- { USB_PROC_REVERB_SWITCH, "Switch", USB_MIXER_BOOLEAN },
- { USB_PROC_REVERB_LEVEL, "Level", USB_MIXER_U8 },
- { USB_PROC_REVERB_TIME, "Time", USB_MIXER_U16 },
- { USB_PROC_REVERB_DELAY, "Delay", USB_MIXER_U8 },
+ { UAC_REVERB_ENABLE, "Switch", USB_MIXER_BOOLEAN },
+ { UAC_REVERB_LEVEL, "Level", USB_MIXER_U8 },
+ { UAC_REVERB_TIME, "Time", USB_MIXER_U16 },
+ { UAC_REVERB_FEEDBACK, "Feedback", USB_MIXER_U8 },
{ 0 }
};
static struct procunit_value_info chorus_proc_info[] = {
- { USB_PROC_CHORUS_SWITCH, "Switch", USB_MIXER_BOOLEAN },
- { USB_PROC_CHORUS_LEVEL, "Level", USB_MIXER_U8 },
- { USB_PROC_CHORUS_RATE, "Rate", USB_MIXER_U16 },
- { USB_PROC_CHORUS_DEPTH, "Depth", USB_MIXER_U16 },
+ { UAC_CHORUS_ENABLE, "Switch", USB_MIXER_BOOLEAN },
+ { UAC_CHORUS_LEVEL, "Level", USB_MIXER_U8 },
+ { UAC_CHORUS_RATE, "Rate", USB_MIXER_U16 },
+ { UAC_CHORUS_DEPTH, "Depth", USB_MIXER_U16 },
{ 0 }
};
static struct procunit_value_info dcr_proc_info[] = {
- { USB_PROC_DCR_SWITCH, "Switch", USB_MIXER_BOOLEAN },
- { USB_PROC_DCR_RATIO, "Ratio", USB_MIXER_U16 },
- { USB_PROC_DCR_MAX_AMP, "Max Amp", USB_MIXER_S16 },
- { USB_PROC_DCR_THRESHOLD, "Threshold", USB_MIXER_S16 },
- { USB_PROC_DCR_ATTACK, "Attack Time", USB_MIXER_U16 },
- { USB_PROC_DCR_RELEASE, "Release Time", USB_MIXER_U16 },
+ { UAC_DCR_ENABLE, "Switch", USB_MIXER_BOOLEAN },
+ { UAC_DCR_RATE, "Ratio", USB_MIXER_U16 },
+ { UAC_DCR_MAXAMPL, "Max Amp", USB_MIXER_S16 },
+ { UAC_DCR_THRESHOLD, "Threshold", USB_MIXER_S16 },
+ { UAC_DCR_ATTACK_TIME, "Attack Time", USB_MIXER_U16 },
+ { UAC_DCR_RELEASE_TIME, "Release Time", USB_MIXER_U16 },
{ 0 }
};
static struct procunit_info procunits[] = {
- { USB_PROC_UPDOWN, "Up Down", updown_proc_info },
- { USB_PROC_PROLOGIC, "Dolby Prologic", prologic_proc_info },
- { USB_PROC_3DENH, "3D Stereo Extender", threed_enh_proc_info },
- { USB_PROC_REVERB, "Reverb", reverb_proc_info },
- { USB_PROC_CHORUS, "Chorus", chorus_proc_info },
- { USB_PROC_DCR, "DCR", dcr_proc_info },
+ { UAC_PROCESS_UP_DOWNMIX, "Up Down", updown_proc_info },
+ { UAC_PROCESS_DOLBY_PROLOGIC, "Dolby Prologic", prologic_proc_info },
+ { UAC_PROCESS_STEREO_EXTENDER, "3D Stereo Extender", threed_enh_proc_info },
+ { UAC_PROCESS_REVERB, "Reverb", reverb_proc_info },
+ { UAC_PROCESS_CHORUS, "Chorus", chorus_proc_info },
+ { UAC_PROCESS_DYN_RANGE_COMP, "DCR", dcr_proc_info },
{ 0 },
};
/*
* predefined data for extension units
*/
static struct procunit_value_info clock_rate_xu_info[] = {
- { USB_XU_CLOCK_RATE_SELECTOR, "Selector", USB_MIXER_U8, 0 },
- { 0 }
+ { USB_XU_CLOCK_RATE_SELECTOR, "Selector", USB_MIXER_U8, 0 },
+ { 0 }
};
static struct procunit_value_info clock_source_xu_info[] = {
{ USB_XU_CLOCK_SOURCE_SELECTOR, "External", USB_MIXER_BOOLEAN },
cval->channels = 1;
/* get min/max values */
- if (type == USB_PROC_UPDOWN && cval->control == USB_PROC_UPDOWN_MODE_SEL) {
+ if (type == UAC_PROCESS_UP_DOWNMIX && cval->control == UAC_UD_MODE_SELECT) {
__u8 *control_spec = uac_processing_unit_specific(desc, state->mixer->protocol);
/* FIXME: hard-coded */
cval->min = 1;
}
}
-static void snd_usb_mixer_status_complete(struct urb *urb)
+static void snd_usb_mixer_interrupt_v2(struct usb_mixer_interface *mixer,
+ int attribute, int value, int index)
+{
+ struct usb_mixer_elem_info *info;
+ __u8 unitid = (index >> 8) & 0xff;
+ __u8 control = (value >> 8) & 0xff;
+ __u8 channel = value & 0xff;
+
+ if (channel >= MAX_CHANNELS) {
+ snd_printk(KERN_DEBUG "%s(): bogus channel number %d\n",
+ __func__, channel);
+ return;
+ }
+
+ for (info = mixer->id_elems[unitid]; info; info = info->next_id_elem) {
+ if (info->control != control)
+ continue;
+
+ switch (attribute) {
+ case UAC2_CS_CUR:
+ /* invalidate cache, so the value is read from the device */
+ if (channel)
+ info->cached &= ~(1 << channel);
+ else /* master channel */
+ info->cached = 0;
+
+ snd_ctl_notify(mixer->chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
+ info->elem_id);
+ break;
+
+ case UAC2_CS_RANGE:
+ /* TODO */
+ break;
+
+ case UAC2_CS_MEM:
+ /* TODO */
+ break;
+
+ default:
+ snd_printk(KERN_DEBUG "unknown attribute %d in interrupt\n",
+ attribute);
+ break;
+ } /* switch */
+ }
+}
+
+static void snd_usb_mixer_interrupt(struct urb *urb)
{
struct usb_mixer_interface *mixer = urb->context;
+ int len = urb->actual_length;
+
+ if (urb->status != 0)
+ goto requeue;
- if (urb->status == 0) {
- u8 *buf = urb->transfer_buffer;
- int i;
+ if (mixer->protocol == UAC_VERSION_1) {
+ struct uac1_status_word *status;
- for (i = urb->actual_length; i >= 2; buf += 2, i -= 2) {
+ for (status = urb->transfer_buffer;
+ len >= sizeof(*status);
+ len -= sizeof(*status), status++) {
snd_printd(KERN_DEBUG "status interrupt: %02x %02x\n",
- buf[0], buf[1]);
+ status->bStatusType,
+ status->bOriginator);
+
/* ignore any notifications not from the control interface */
- if ((buf[0] & 0x0f) != 0)
+ if ((status->bStatusType & UAC1_STATUS_TYPE_ORIG_MASK) !=
+ UAC1_STATUS_TYPE_ORIG_AUDIO_CONTROL_IF)
continue;
- if (!(buf[0] & 0x40))
- snd_usb_mixer_notify_id(mixer, buf[1]);
+
+ if (status->bStatusType & UAC1_STATUS_TYPE_MEM_CHANGED)
+ snd_usb_mixer_rc_memory_change(mixer, status->bOriginator);
else
- snd_usb_mixer_rc_memory_change(mixer, buf[1]);
+ snd_usb_mixer_notify_id(mixer, status->bOriginator);
+ }
+ } else { /* UAC_VERSION_2 */
+ struct uac2_interrupt_data_msg *msg;
+
+ for (msg = urb->transfer_buffer;
+ len >= sizeof(*msg);
+ len -= sizeof(*msg), msg++) {
+ /* drop vendor specific and endpoint requests */
+ if ((msg->bInfo & UAC2_INTERRUPT_DATA_MSG_VENDOR) ||
+ (msg->bInfo & UAC2_INTERRUPT_DATA_MSG_EP))
+ continue;
+
+ snd_usb_mixer_interrupt_v2(mixer, msg->bAttribute,
+ le16_to_cpu(msg->wValue),
+ le16_to_cpu(msg->wIndex));
}
}
+
+requeue:
if (urb->status != -ENOENT && urb->status != -ECONNRESET) {
urb->dev = mixer->chip->dev;
usb_submit_urb(urb, GFP_ATOMIC);
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);
+ snd_usb_mixer_interrupt, mixer, ep->bInterval);
usb_submit_urb(mixer->urb, GFP_KERNEL);
return 0;
}
}
host_iface = &usb_ifnum_to_if(chip->dev, ctrlif)->altsetting[0];
- mixer->protocol = host_iface->desc.bInterfaceProtocol;
+ mixer->protocol = get_iface_desc(host_iface)->bInterfaceProtocol;
if ((err = snd_usb_mixer_controls(mixer)) < 0 ||
(err = snd_usb_mixer_status_create(mixer)) < 0)
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff