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Diffstat (limited to 'sound/usb/mixer_quirks.c')
-rw-r--r--sound/usb/mixer_quirks.c412
1 files changed, 412 insertions, 0 deletions
diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c
new file mode 100644
index 000000000000..e7df1e5e3f2e
--- /dev/null
+++ b/sound/usb/mixer_quirks.c
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1/*
2 * USB Audio Driver for ALSA
3 *
4 * Quirks and vendor-specific extensions for mixer interfaces
5 *
6 * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
7 *
8 * Many codes borrowed from audio.c by
9 * Alan Cox (alan@lxorguk.ukuu.org.uk)
10 * Thomas Sailer (sailer@ife.ee.ethz.ch)
11 *
12 *
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License as published by
15 * the Free Software Foundation; either version 2 of the License, or
16 * (at your option) any later version.
17 *
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
22 *
23 * You should have received a copy of the GNU General Public License
24 * along with this program; if not, write to the Free Software
25 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
26 */
27
28#include <linux/init.h>
29#include <linux/slab.h>
30#include <linux/usb.h>
31#include <linux/usb/audio.h>
32
33#include <sound/core.h>
34#include <sound/control.h>
35#include <sound/hwdep.h>
36#include <sound/info.h>
37
38#include "usbaudio.h"
39#include "mixer.h"
40#include "mixer_quirks.h"
41#include "helper.h"
42
43/*
44 * Sound Blaster remote control configuration
45 *
46 * format of remote control data:
47 * Extigy: xx 00
48 * Audigy 2 NX: 06 80 xx 00 00 00
49 * Live! 24-bit: 06 80 xx yy 22 83
50 */
51static const struct rc_config {
52 u32 usb_id;
53 u8 offset;
54 u8 length;
55 u8 packet_length;
56 u8 min_packet_length; /* minimum accepted length of the URB result */
57 u8 mute_mixer_id;
58 u32 mute_code;
59} rc_configs[] = {
60 { USB_ID(0x041e, 0x3000), 0, 1, 2, 1, 18, 0x0013 }, /* Extigy */
61 { USB_ID(0x041e, 0x3020), 2, 1, 6, 6, 18, 0x0013 }, /* Audigy 2 NX */
62 { USB_ID(0x041e, 0x3040), 2, 2, 6, 6, 2, 0x6e91 }, /* Live! 24-bit */
63 { USB_ID(0x041e, 0x3048), 2, 2, 6, 6, 2, 0x6e91 }, /* Toshiba SB0500 */
64};
65
66static void snd_usb_soundblaster_remote_complete(struct urb *urb)
67{
68 struct usb_mixer_interface *mixer = urb->context;
69 const struct rc_config *rc = mixer->rc_cfg;
70 u32 code;
71
72 if (urb->status < 0 || urb->actual_length < rc->min_packet_length)
73 return;
74
75 code = mixer->rc_buffer[rc->offset];
76 if (rc->length == 2)
77 code |= mixer->rc_buffer[rc->offset + 1] << 8;
78
79 /* the Mute button actually changes the mixer control */
80 if (code == rc->mute_code)
81 snd_usb_mixer_notify_id(mixer, rc->mute_mixer_id);
82 mixer->rc_code = code;
83 wmb();
84 wake_up(&mixer->rc_waitq);
85}
86
87static long snd_usb_sbrc_hwdep_read(struct snd_hwdep *hw, char __user *buf,
88 long count, loff_t *offset)
89{
90 struct usb_mixer_interface *mixer = hw->private_data;
91 int err;
92 u32 rc_code;
93
94 if (count != 1 && count != 4)
95 return -EINVAL;
96 err = wait_event_interruptible(mixer->rc_waitq,
97 (rc_code = xchg(&mixer->rc_code, 0)) != 0);
98 if (err == 0) {
99 if (count == 1)
100 err = put_user(rc_code, buf);
101 else
102 err = put_user(rc_code, (u32 __user *)buf);
103 }
104 return err < 0 ? err : count;
105}
106
107static unsigned int snd_usb_sbrc_hwdep_poll(struct snd_hwdep *hw, struct file *file,
108 poll_table *wait)
109{
110 struct usb_mixer_interface *mixer = hw->private_data;
111
112 poll_wait(file, &mixer->rc_waitq, wait);
113 return mixer->rc_code ? POLLIN | POLLRDNORM : 0;
114}
115
116static int snd_usb_soundblaster_remote_init(struct usb_mixer_interface *mixer)
117{
118 struct snd_hwdep *hwdep;
119 int err, len, i;
120
121 for (i = 0; i < ARRAY_SIZE(rc_configs); ++i)
122 if (rc_configs[i].usb_id == mixer->chip->usb_id)
123 break;
124 if (i >= ARRAY_SIZE(rc_configs))
125 return 0;
126 mixer->rc_cfg = &rc_configs[i];
127
128 len = mixer->rc_cfg->packet_length;
129
130 init_waitqueue_head(&mixer->rc_waitq);
131 err = snd_hwdep_new(mixer->chip->card, "SB remote control", 0, &hwdep);
132 if (err < 0)
133 return err;
134 snprintf(hwdep->name, sizeof(hwdep->name),
135 "%s remote control", mixer->chip->card->shortname);
136 hwdep->iface = SNDRV_HWDEP_IFACE_SB_RC;
137 hwdep->private_data = mixer;
138 hwdep->ops.read = snd_usb_sbrc_hwdep_read;
139 hwdep->ops.poll = snd_usb_sbrc_hwdep_poll;
140 hwdep->exclusive = 1;
141
142 mixer->rc_urb = usb_alloc_urb(0, GFP_KERNEL);
143 if (!mixer->rc_urb)
144 return -ENOMEM;
145 mixer->rc_setup_packet = kmalloc(sizeof(*mixer->rc_setup_packet), GFP_KERNEL);
146 if (!mixer->rc_setup_packet) {
147 usb_free_urb(mixer->rc_urb);
148 mixer->rc_urb = NULL;
149 return -ENOMEM;
150 }
151 mixer->rc_setup_packet->bRequestType =
152 USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE;
153 mixer->rc_setup_packet->bRequest = UAC_GET_MEM;
154 mixer->rc_setup_packet->wValue = cpu_to_le16(0);
155 mixer->rc_setup_packet->wIndex = cpu_to_le16(0);
156 mixer->rc_setup_packet->wLength = cpu_to_le16(len);
157 usb_fill_control_urb(mixer->rc_urb, mixer->chip->dev,
158 usb_rcvctrlpipe(mixer->chip->dev, 0),
159 (u8*)mixer->rc_setup_packet, mixer->rc_buffer, len,
160 snd_usb_soundblaster_remote_complete, mixer);
161 return 0;
162}
163
164#define snd_audigy2nx_led_info snd_ctl_boolean_mono_info
165
166static int snd_audigy2nx_led_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
167{
168 struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
169 int index = kcontrol->private_value;
170
171 ucontrol->value.integer.value[0] = mixer->audigy2nx_leds[index];
172 return 0;
173}
174
175static int snd_audigy2nx_led_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
176{
177 struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
178 int index = kcontrol->private_value;
179 int value = ucontrol->value.integer.value[0];
180 int err, changed;
181
182 if (value > 1)
183 return -EINVAL;
184 changed = value != mixer->audigy2nx_leds[index];
185 err = snd_usb_ctl_msg(mixer->chip->dev,
186 usb_sndctrlpipe(mixer->chip->dev, 0), 0x24,
187 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
188 value, index + 2, NULL, 0, 100);
189 if (err < 0)
190 return err;
191 mixer->audigy2nx_leds[index] = value;
192 return changed;
193}
194
195static struct snd_kcontrol_new snd_audigy2nx_controls[] = {
196 {
197 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
198 .name = "CMSS LED Switch",
199 .info = snd_audigy2nx_led_info,
200 .get = snd_audigy2nx_led_get,
201 .put = snd_audigy2nx_led_put,
202 .private_value = 0,
203 },
204 {
205 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
206 .name = "Power LED Switch",
207 .info = snd_audigy2nx_led_info,
208 .get = snd_audigy2nx_led_get,
209 .put = snd_audigy2nx_led_put,
210 .private_value = 1,
211 },
212 {
213 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
214 .name = "Dolby Digital LED Switch",
215 .info = snd_audigy2nx_led_info,
216 .get = snd_audigy2nx_led_get,
217 .put = snd_audigy2nx_led_put,
218 .private_value = 2,
219 },
220};
221
222static int snd_audigy2nx_controls_create(struct usb_mixer_interface *mixer)
223{
224 int i, err;
225
226 for (i = 0; i < ARRAY_SIZE(snd_audigy2nx_controls); ++i) {
227 if (i > 1 && /* Live24ext has 2 LEDs only */
228 (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
229 mixer->chip->usb_id == USB_ID(0x041e, 0x3048)))
230 break;
231 err = snd_ctl_add(mixer->chip->card,
232 snd_ctl_new1(&snd_audigy2nx_controls[i], mixer));
233 if (err < 0)
234 return err;
235 }
236 mixer->audigy2nx_leds[1] = 1; /* Power LED is on by default */
237 return 0;
238}
239
240static void snd_audigy2nx_proc_read(struct snd_info_entry *entry,
241 struct snd_info_buffer *buffer)
242{
243 static const struct sb_jack {
244 int unitid;
245 const char *name;
246 } jacks_audigy2nx[] = {
247 {4, "dig in "},
248 {7, "line in"},
249 {19, "spk out"},
250 {20, "hph out"},
251 {-1, NULL}
252 }, jacks_live24ext[] = {
253 {4, "line in"}, /* &1=Line, &2=Mic*/
254 {3, "hph out"}, /* headphones */
255 {0, "RC "}, /* last command, 6 bytes see rc_config above */
256 {-1, NULL}
257 };
258 const struct sb_jack *jacks;
259 struct usb_mixer_interface *mixer = entry->private_data;
260 int i, err;
261 u8 buf[3];
262
263 snd_iprintf(buffer, "%s jacks\n\n", mixer->chip->card->shortname);
264 if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020))
265 jacks = jacks_audigy2nx;
266 else if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
267 mixer->chip->usb_id == USB_ID(0x041e, 0x3048))
268 jacks = jacks_live24ext;
269 else
270 return;
271
272 for (i = 0; jacks[i].name; ++i) {
273 snd_iprintf(buffer, "%s: ", jacks[i].name);
274 err = snd_usb_ctl_msg(mixer->chip->dev,
275 usb_rcvctrlpipe(mixer->chip->dev, 0),
276 UAC_GET_MEM, USB_DIR_IN | USB_TYPE_CLASS |
277 USB_RECIP_INTERFACE, 0,
278 jacks[i].unitid << 8, buf, 3, 100);
279 if (err == 3 && (buf[0] == 3 || buf[0] == 6))
280 snd_iprintf(buffer, "%02x %02x\n", buf[1], buf[2]);
281 else
282 snd_iprintf(buffer, "?\n");
283 }
284}
285
286static int snd_xonar_u1_switch_get(struct snd_kcontrol *kcontrol,
287 struct snd_ctl_elem_value *ucontrol)
288{
289 struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
290
291 ucontrol->value.integer.value[0] = !!(mixer->xonar_u1_status & 0x02);
292 return 0;
293}
294
295static int snd_xonar_u1_switch_put(struct snd_kcontrol *kcontrol,
296 struct snd_ctl_elem_value *ucontrol)
297{
298 struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
299 u8 old_status, new_status;
300 int err, changed;
301
302 old_status = mixer->xonar_u1_status;
303 if (ucontrol->value.integer.value[0])
304 new_status = old_status | 0x02;
305 else
306 new_status = old_status & ~0x02;
307 changed = new_status != old_status;
308 err = snd_usb_ctl_msg(mixer->chip->dev,
309 usb_sndctrlpipe(mixer->chip->dev, 0), 0x08,
310 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
311 50, 0, &new_status, 1, 100);
312 if (err < 0)
313 return err;
314 mixer->xonar_u1_status = new_status;
315 return changed;
316}
317
318static struct snd_kcontrol_new snd_xonar_u1_output_switch = {
319 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
320 .name = "Digital Playback Switch",
321 .info = snd_ctl_boolean_mono_info,
322 .get = snd_xonar_u1_switch_get,
323 .put = snd_xonar_u1_switch_put,
324};
325
326static int snd_xonar_u1_controls_create(struct usb_mixer_interface *mixer)
327{
328 int err;
329
330 err = snd_ctl_add(mixer->chip->card,
331 snd_ctl_new1(&snd_xonar_u1_output_switch, mixer));
332 if (err < 0)
333 return err;
334 mixer->xonar_u1_status = 0x05;
335 return 0;
336}
337
338void snd_emuusb_set_samplerate(struct snd_usb_audio *chip,
339 unsigned char samplerate_id)
340{
341 struct usb_mixer_interface *mixer;
342 struct usb_mixer_elem_info *cval;
343 int unitid = 12; /* SamleRate ExtensionUnit ID */
344
345 list_for_each_entry(mixer, &chip->mixer_list, list) {
346 cval = mixer->id_elems[unitid];
347 if (cval) {
348 snd_usb_mixer_set_ctl_value(cval, UAC_SET_CUR,
349 cval->control << 8,
350 samplerate_id);
351 snd_usb_mixer_notify_id(mixer, unitid);
352 }
353 break;
354 }
355}
356
357int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer)
358{
359 int err;
360 struct snd_info_entry *entry;
361
362 if ((err = snd_usb_soundblaster_remote_init(mixer)) < 0)
363 return err;
364
365 if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020) ||
366 mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
367 mixer->chip->usb_id == USB_ID(0x041e, 0x3048)) {
368 if ((err = snd_audigy2nx_controls_create(mixer)) < 0)
369 return err;
370 if (!snd_card_proc_new(mixer->chip->card, "audigy2nx", &entry))
371 snd_info_set_text_ops(entry, mixer,
372 snd_audigy2nx_proc_read);
373 }
374
375 if (mixer->chip->usb_id == USB_ID(0x0b05, 0x1739) ||
376 mixer->chip->usb_id == USB_ID(0x0b05, 0x1743)) {
377 err = snd_xonar_u1_controls_create(mixer);
378 if (err < 0)
379 return err;
380 }
381
382 return 0;
383}
384
385void snd_usb_mixer_rc_memory_change(struct usb_mixer_interface *mixer,
386 int unitid)
387{
388 if (!mixer->rc_cfg)
389 return;
390 /* unit ids specific to Extigy/Audigy 2 NX: */
391 switch (unitid) {
392 case 0: /* remote control */
393 mixer->rc_urb->dev = mixer->chip->dev;
394 usb_submit_urb(mixer->rc_urb, GFP_ATOMIC);
395 break;
396 case 4: /* digital in jack */
397 case 7: /* line in jacks */
398 case 19: /* speaker out jacks */
399 case 20: /* headphones out jack */
400 break;
401 /* live24ext: 4 = line-in jack */
402 case 3: /* hp-out jack (may actuate Mute) */
403 if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
404 mixer->chip->usb_id == USB_ID(0x041e, 0x3048))
405 snd_usb_mixer_notify_id(mixer, mixer->rc_cfg->mute_mixer_id);
406 break;
407 default:
408 snd_printd(KERN_DEBUG "memory change in unknown unit %d\n", unitid);
409 break;
410 }
411}
412
generated by cgit v1.2.2 (git 2.25.0) at 2025-12-29 10:34:34 -0500