#include <linux/usb.h>
#include <sound/core.h>
#include <sound/control.h>
+#include <sound/hwdep.h>
+#include <sound/info.h>
#include "usbaudio.h"
-
/*
*/
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_mixer_interface *mixer;
unsigned char *buffer;
unsigned int buflen;
- unsigned short vendor;
- unsigned short product;
DECLARE_BITMAP(unitbitmap, 256);
usb_audio_term_t oterm;
const struct usbmix_name_map *map;
struct usb_mixer_elem_info {
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;
};
}
/* 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(usb_mixer_elem_info_t *cval, int channel, int *value)
{
return get_ctl_value(cval, GET_CUR, (cval->control << 8) | channel, 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(usb_mixer_elem_info_t *cval, int channel, int value)
{
return set_ctl_value(cval, SET_CUR, (cval->control << 8) | channel, value);
}
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(state->chip->card, &kctl->id))
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;
}
/* 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;
}
/* 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",
}
type = combine_word(&dsc[4]);
- if (! type)
- return 0; /* undefined? */
-
for (info = list; info && info->type; info++)
if (info->type == type)
break;
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);
}
mixer_build_t state;
int err;
const struct usbmix_ctl_map *map;
- struct usb_device_descriptor *dev = &mixer->chip->dev->descriptor;
struct usb_host_interface *hostif;
hostif = &usb_ifnum_to_if(mixer->chip->dev, mixer->ctrlif)->altsetting[0];
state.mixer = mixer;
state.buffer = hostif->extra;
state.buflen = hostif->extralen;
- state.vendor = le16_to_cpu(dev->idVendor);
- state.product = le16_to_cpu(dev->idProduct);
/* check the mapping table */
- for (map = usbmix_ctl_maps; map->vendor; map++) {
- if (map->vendor == state.vendor && map->product == state.product) {
+ for (map = usbmix_ctl_maps; map->id; map++) {
+ if (map->id == state.chip->usb_id) {
state.map = map->map;
state.selector_map = map->selector_map;
mixer->ignore_ctl_error = map->ignore_ctl_error;
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 = {
#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) {
- snd_usb_mixer_free(mixer);
- return err;
+ 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) {
- snd_usb_mixer_free(mixer);
- return err;
- }
+ 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);
}
git.openpandora.org / pandora-kernel.git / blobdiff