Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * (Tentative) USB Audio Driver for ALSA |
| 3 | * |
| 4 | * Mixer control part |
| 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 | |
Daniel Mack | 157a57b | 2010-06-16 17:57:30 +0200 | [diff] [blame] | 29 | /* |
| 30 | * TODOs, for both the mixer and the streaming interfaces: |
| 31 | * |
| 32 | * - support for UAC2 effect units |
| 33 | * - support for graphical equalizers |
| 34 | * - RANGE and MEM set commands (UAC2) |
| 35 | * - RANGE and MEM interrupt dispatchers (UAC2) |
| 36 | * - audio channel clustering (UAC2) |
| 37 | * - audio sample rate converter units (UAC2) |
| 38 | * - proper handling of clock multipliers (UAC2) |
| 39 | * - dispatch clock change notifications (UAC2) |
| 40 | * - stop PCM streams which use a clock that became invalid |
| 41 | * - stop PCM streams which use a clock selector that has changed |
| 42 | * - parse available sample rates again when clock sources changed |
| 43 | */ |
| 44 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 45 | #include <linux/bitops.h> |
| 46 | #include <linux/init.h> |
| 47 | #include <linux/list.h> |
Daniel Mack | cddaafb | 2016-04-09 11:21:46 +0200 | [diff] [blame] | 48 | #include <linux/log2.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 49 | #include <linux/slab.h> |
| 50 | #include <linux/string.h> |
| 51 | #include <linux/usb.h> |
Daniel Mack | 28e1b77 | 2010-02-22 23:49:09 +0100 | [diff] [blame] | 52 | #include <linux/usb/audio.h> |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 53 | #include <linux/usb/audio-v2.h> |
Daniel Mack | 28e1b77 | 2010-02-22 23:49:09 +0100 | [diff] [blame] | 54 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 55 | #include <sound/core.h> |
| 56 | #include <sound/control.h> |
Clemens Ladisch | b259b10 | 2005-04-29 16:29:28 +0200 | [diff] [blame] | 57 | #include <sound/hwdep.h> |
Clemens Ladisch | aafad56 | 2005-05-10 14:47:38 +0200 | [diff] [blame] | 58 | #include <sound/info.h> |
Takashi Iwai | 7bc5ba7e | 2006-07-14 15:18:19 +0200 | [diff] [blame] | 59 | #include <sound/tlv.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 60 | |
| 61 | #include "usbaudio.h" |
Daniel Mack | f0b5e63 | 2010-03-11 21:13:23 +0100 | [diff] [blame] | 62 | #include "mixer.h" |
Daniel Mack | e577999 | 2010-03-04 19:46:13 +0100 | [diff] [blame] | 63 | #include "helper.h" |
Daniel Mack | 7b1eda2 | 2010-03-11 21:13:22 +0100 | [diff] [blame] | 64 | #include "mixer_quirks.h" |
Oliver Neukum | 88a8516 | 2011-03-11 14:51:12 +0100 | [diff] [blame] | 65 | #include "power.h" |
Raimonds Cicans | 4d1a70d | 2006-05-05 09:49:53 +0200 | [diff] [blame] | 66 | |
Jaroslav Kysela | ebfdeea | 2010-02-16 11:17:09 +0100 | [diff] [blame] | 67 | #define MAX_ID_ELEMS 256 |
| 68 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 69 | struct usb_audio_term { |
| 70 | int id; |
| 71 | int type; |
| 72 | int channels; |
| 73 | unsigned int chconfig; |
| 74 | int name; |
| 75 | }; |
| 76 | |
| 77 | struct usbmix_name_map; |
| 78 | |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 79 | struct mixer_build { |
| 80 | struct snd_usb_audio *chip; |
Clemens Ladisch | 84957a8 | 2005-04-29 16:23:13 +0200 | [diff] [blame] | 81 | struct usb_mixer_interface *mixer; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 82 | unsigned char *buffer; |
| 83 | unsigned int buflen; |
Jaroslav Kysela | 291186e | 2010-02-16 11:55:18 +0100 | [diff] [blame] | 84 | DECLARE_BITMAP(unitbitmap, MAX_ID_ELEMS); |
Hui Peng | 2bac3a3 | 2019-08-15 00:31:34 -0400 | [diff] [blame] | 85 | DECLARE_BITMAP(termbitmap, MAX_ID_ELEMS); |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 86 | struct usb_audio_term oterm; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 87 | const struct usbmix_name_map *map; |
Clemens Ladisch | 8e062ec | 2005-04-22 15:49:52 +0200 | [diff] [blame] | 88 | const struct usbmix_selector_map *selector_map; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 89 | }; |
| 90 | |
Joseph Teichman | 1cdfa9f | 2011-02-08 01:22:36 -0500 | [diff] [blame] | 91 | /*E-mu 0202/0404/0204 eXtension Unit(XU) control*/ |
Sergiy Kovalchuk | 7d2b451 | 2009-12-27 09:13:41 -0800 | [diff] [blame] | 92 | enum { |
| 93 | USB_XU_CLOCK_RATE = 0xe301, |
| 94 | USB_XU_CLOCK_SOURCE = 0xe302, |
| 95 | USB_XU_DIGITAL_IO_STATUS = 0xe303, |
| 96 | USB_XU_DEVICE_OPTIONS = 0xe304, |
| 97 | USB_XU_DIRECT_MONITORING = 0xe305, |
| 98 | USB_XU_METERING = 0xe306 |
| 99 | }; |
| 100 | enum { |
| 101 | USB_XU_CLOCK_SOURCE_SELECTOR = 0x02, /* clock source*/ |
| 102 | USB_XU_CLOCK_RATE_SELECTOR = 0x03, /* clock rate */ |
| 103 | USB_XU_DIGITAL_FORMAT_SELECTOR = 0x01, /* the spdif format */ |
| 104 | USB_XU_SOFT_LIMIT_SELECTOR = 0x03 /* soft limiter */ |
| 105 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 106 | |
| 107 | /* |
| 108 | * manual mapping of mixer names |
| 109 | * if the mixer topology is too complicated and the parsed names are |
| 110 | * ambiguous, add the entries in usbmixer_maps.c. |
| 111 | */ |
Daniel Mack | f0b5e63 | 2010-03-11 21:13:23 +0100 | [diff] [blame] | 112 | #include "mixer_maps.c" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 113 | |
Jaroslav Kysela | c3a3e04 | 2010-02-11 17:50:44 +0100 | [diff] [blame] | 114 | static const struct usbmix_name_map * |
| 115 | find_map(struct mixer_build *state, int unitid, int control) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 116 | { |
Jaroslav Kysela | c3a3e04 | 2010-02-11 17:50:44 +0100 | [diff] [blame] | 117 | const struct usbmix_name_map *p = state->map; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 118 | |
Jaroslav Kysela | c3a3e04 | 2010-02-11 17:50:44 +0100 | [diff] [blame] | 119 | if (!p) |
| 120 | return NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 121 | |
| 122 | for (p = state->map; p->id; p++) { |
Jaroslav Kysela | c3a3e04 | 2010-02-11 17:50:44 +0100 | [diff] [blame] | 123 | if (p->id == unitid && |
| 124 | (!control || !p->control || control == p->control)) |
| 125 | return p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 126 | } |
Jaroslav Kysela | c3a3e04 | 2010-02-11 17:50:44 +0100 | [diff] [blame] | 127 | return NULL; |
| 128 | } |
| 129 | |
| 130 | /* get the mapped name if the unit matches */ |
| 131 | static int |
| 132 | check_mapped_name(const struct usbmix_name_map *p, char *buf, int buflen) |
| 133 | { |
| 134 | if (!p || !p->name) |
| 135 | return 0; |
| 136 | |
| 137 | buflen--; |
| 138 | return strlcpy(buf, p->name, buflen); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 139 | } |
| 140 | |
Takashi Iwai | 5aeee34 | 2014-11-18 11:02:14 +0100 | [diff] [blame] | 141 | /* ignore the error value if ignore_ctl_error flag is set */ |
| 142 | #define filter_error(cval, err) \ |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 143 | ((cval)->head.mixer->ignore_ctl_error ? 0 : (err)) |
Takashi Iwai | 5aeee34 | 2014-11-18 11:02:14 +0100 | [diff] [blame] | 144 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 145 | /* check whether the control should be ignored */ |
Jaroslav Kysela | c3a3e04 | 2010-02-11 17:50:44 +0100 | [diff] [blame] | 146 | static inline int |
| 147 | check_ignored_ctl(const struct usbmix_name_map *p) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 148 | { |
Jaroslav Kysela | c3a3e04 | 2010-02-11 17:50:44 +0100 | [diff] [blame] | 149 | if (!p || p->name || p->dB) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 150 | return 0; |
Jaroslav Kysela | c3a3e04 | 2010-02-11 17:50:44 +0100 | [diff] [blame] | 151 | return 1; |
| 152 | } |
| 153 | |
| 154 | /* dB mapping */ |
| 155 | static inline void check_mapped_dB(const struct usbmix_name_map *p, |
| 156 | struct usb_mixer_elem_info *cval) |
| 157 | { |
| 158 | if (p && p->dB) { |
| 159 | cval->dBmin = p->dB->min; |
| 160 | cval->dBmax = p->dB->max; |
Takashi Iwai | 38b6519 | 2011-08-19 07:55:10 +0200 | [diff] [blame] | 161 | cval->initialized = 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 162 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 163 | } |
| 164 | |
Clemens Ladisch | 8e062ec | 2005-04-22 15:49:52 +0200 | [diff] [blame] | 165 | /* get the mapped selector source name */ |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 166 | static int check_mapped_selector_name(struct mixer_build *state, int unitid, |
Clemens Ladisch | 8e062ec | 2005-04-22 15:49:52 +0200 | [diff] [blame] | 167 | int index, char *buf, int buflen) |
| 168 | { |
| 169 | const struct usbmix_selector_map *p; |
| 170 | |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 171 | if (!state->selector_map) |
Clemens Ladisch | 8e062ec | 2005-04-22 15:49:52 +0200 | [diff] [blame] | 172 | return 0; |
| 173 | for (p = state->selector_map; p->id; p++) { |
| 174 | if (p->id == unitid && index < p->count) |
| 175 | return strlcpy(buf, p->names[index], buflen); |
| 176 | } |
| 177 | return 0; |
| 178 | } |
| 179 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 180 | /* |
| 181 | * find an audio control unit with the given unit id |
| 182 | */ |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 183 | static void *find_audio_control_unit(struct mixer_build *state, |
| 184 | unsigned char unit) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 185 | { |
Daniel Mack | 67e1daa | 2010-05-31 13:35:43 +0200 | [diff] [blame] | 186 | /* we just parse the header */ |
| 187 | struct uac_feature_unit_descriptor *hdr = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 188 | |
Daniel Mack | 67e1daa | 2010-05-31 13:35:43 +0200 | [diff] [blame] | 189 | while ((hdr = snd_usb_find_desc(state->buffer, state->buflen, hdr, |
| 190 | USB_DT_CS_INTERFACE)) != NULL) { |
| 191 | if (hdr->bLength >= 4 && |
| 192 | hdr->bDescriptorSubtype >= UAC_INPUT_TERMINAL && |
| 193 | hdr->bDescriptorSubtype <= UAC2_SAMPLE_RATE_CONVERTER && |
| 194 | hdr->bUnitID == unit) |
| 195 | return hdr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 196 | } |
Daniel Mack | 67e1daa | 2010-05-31 13:35:43 +0200 | [diff] [blame] | 197 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 198 | return NULL; |
| 199 | } |
| 200 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 201 | /* |
| 202 | * copy a string with the given id |
| 203 | */ |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 204 | static int snd_usb_copy_string_desc(struct mixer_build *state, |
| 205 | int index, char *buf, int maxlen) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 206 | { |
| 207 | int len = usb_string(state->chip->dev, index, buf, maxlen - 1); |
Jaejoong Kim | c40457c | 2017-12-04 15:31:48 +0900 | [diff] [blame] | 208 | |
| 209 | if (len < 0) |
| 210 | return 0; |
| 211 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 212 | buf[len] = 0; |
| 213 | return len; |
| 214 | } |
| 215 | |
| 216 | /* |
| 217 | * convert from the byte/word on usb descriptor to the zero-based integer |
| 218 | */ |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 219 | static int convert_signed_value(struct usb_mixer_elem_info *cval, int val) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 220 | { |
| 221 | switch (cval->val_type) { |
| 222 | case USB_MIXER_BOOLEAN: |
| 223 | return !!val; |
| 224 | case USB_MIXER_INV_BOOLEAN: |
| 225 | return !val; |
| 226 | case USB_MIXER_U8: |
| 227 | val &= 0xff; |
| 228 | break; |
| 229 | case USB_MIXER_S8: |
| 230 | val &= 0xff; |
| 231 | if (val >= 0x80) |
| 232 | val -= 0x100; |
| 233 | break; |
| 234 | case USB_MIXER_U16: |
| 235 | val &= 0xffff; |
| 236 | break; |
| 237 | case USB_MIXER_S16: |
| 238 | val &= 0xffff; |
| 239 | if (val >= 0x8000) |
| 240 | val -= 0x10000; |
| 241 | break; |
| 242 | } |
| 243 | return val; |
| 244 | } |
| 245 | |
| 246 | /* |
| 247 | * convert from the zero-based int to the byte/word for usb descriptor |
| 248 | */ |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 249 | static int convert_bytes_value(struct usb_mixer_elem_info *cval, int val) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 250 | { |
| 251 | switch (cval->val_type) { |
| 252 | case USB_MIXER_BOOLEAN: |
| 253 | return !!val; |
| 254 | case USB_MIXER_INV_BOOLEAN: |
| 255 | return !val; |
| 256 | case USB_MIXER_S8: |
| 257 | case USB_MIXER_U8: |
| 258 | return val & 0xff; |
| 259 | case USB_MIXER_S16: |
| 260 | case USB_MIXER_U16: |
| 261 | return val & 0xffff; |
| 262 | } |
| 263 | return 0; /* not reached */ |
| 264 | } |
| 265 | |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 266 | static int get_relative_value(struct usb_mixer_elem_info *cval, int val) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 267 | { |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 268 | if (!cval->res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 269 | cval->res = 1; |
| 270 | if (val < cval->min) |
| 271 | return 0; |
Takashi Iwai | 14790f1 | 2006-03-28 17:58:28 +0200 | [diff] [blame] | 272 | else if (val >= cval->max) |
| 273 | return (cval->max - cval->min + cval->res - 1) / cval->res; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 274 | else |
| 275 | return (val - cval->min) / cval->res; |
| 276 | } |
| 277 | |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 278 | static int get_abs_value(struct usb_mixer_elem_info *cval, int val) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 279 | { |
| 280 | if (val < 0) |
| 281 | return cval->min; |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 282 | if (!cval->res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 283 | cval->res = 1; |
| 284 | val *= cval->res; |
| 285 | val += cval->min; |
| 286 | if (val > cval->max) |
| 287 | return cval->max; |
| 288 | return val; |
| 289 | } |
| 290 | |
Julian Scheel | bc18e31 | 2015-08-14 16:14:45 +0200 | [diff] [blame] | 291 | static int uac2_ctl_value_size(int val_type) |
| 292 | { |
| 293 | switch (val_type) { |
| 294 | case USB_MIXER_S32: |
| 295 | case USB_MIXER_U32: |
| 296 | return 4; |
| 297 | case USB_MIXER_S16: |
| 298 | case USB_MIXER_U16: |
| 299 | return 2; |
| 300 | default: |
| 301 | return 1; |
| 302 | } |
| 303 | return 0; /* unreachable */ |
| 304 | } |
| 305 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 306 | |
| 307 | /* |
| 308 | * retrieve a mixer value |
| 309 | */ |
| 310 | |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 311 | static int get_ctl_value_v1(struct usb_mixer_elem_info *cval, int request, |
| 312 | int validx, int *value_ret) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 313 | { |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 314 | struct snd_usb_audio *chip = cval->head.mixer->chip; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 315 | unsigned char buf[2]; |
| 316 | int val_len = cval->val_type >= USB_MIXER_S16 ? 2 : 1; |
| 317 | int timeout = 10; |
Takashi Iwai | 978520b | 2012-10-12 15:12:55 +0200 | [diff] [blame] | 318 | int idx = 0, err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 319 | |
Takashi Iwai | 47ab154 | 2015-08-25 16:09:00 +0200 | [diff] [blame] | 320 | err = snd_usb_lock_shutdown(chip); |
Oliver Neukum | 88a8516 | 2011-03-11 14:51:12 +0100 | [diff] [blame] | 321 | if (err < 0) |
| 322 | return -EIO; |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 323 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 324 | while (timeout-- > 0) { |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 325 | idx = snd_usb_ctrl_intf(chip) | (cval->head.id << 8); |
Daniel Mack | 3d8d4dc | 2010-06-16 17:57:31 +0200 | [diff] [blame] | 326 | if (snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), request, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 327 | USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, |
Takashi Iwai | 978520b | 2012-10-12 15:12:55 +0200 | [diff] [blame] | 328 | validx, idx, buf, val_len) >= val_len) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 329 | *value_ret = convert_signed_value(cval, snd_usb_combine_bytes(buf, val_len)); |
Takashi Iwai | 978520b | 2012-10-12 15:12:55 +0200 | [diff] [blame] | 330 | err = 0; |
| 331 | goto out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 332 | } |
| 333 | } |
Takashi Iwai | 0ba41d9 | 2014-02-26 13:02:17 +0100 | [diff] [blame] | 334 | usb_audio_dbg(chip, |
| 335 | "cannot get ctl value: req = %#x, wValue = %#x, wIndex = %#x, type = %d\n", |
| 336 | request, validx, idx, cval->val_type); |
Takashi Iwai | 978520b | 2012-10-12 15:12:55 +0200 | [diff] [blame] | 337 | err = -EINVAL; |
| 338 | |
| 339 | out: |
Takashi Iwai | 47ab154 | 2015-08-25 16:09:00 +0200 | [diff] [blame] | 340 | snd_usb_unlock_shutdown(chip); |
Takashi Iwai | 978520b | 2012-10-12 15:12:55 +0200 | [diff] [blame] | 341 | return err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 342 | } |
| 343 | |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 344 | static int get_ctl_value_v2(struct usb_mixer_elem_info *cval, int request, |
| 345 | int validx, int *value_ret) |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 346 | { |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 347 | struct snd_usb_audio *chip = cval->head.mixer->chip; |
Kirill Marinushkin | 31cb8df | 2018-01-29 06:37:55 +0100 | [diff] [blame] | 348 | /* enough space for one range */ |
| 349 | unsigned char buf[sizeof(__u16) + 3 * sizeof(__u32)]; |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 350 | unsigned char *val; |
Kirill Marinushkin | 31cb8df | 2018-01-29 06:37:55 +0100 | [diff] [blame] | 351 | int idx = 0, ret, val_size, size; |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 352 | __u8 bRequest; |
| 353 | |
Kirill Marinushkin | 31cb8df | 2018-01-29 06:37:55 +0100 | [diff] [blame] | 354 | val_size = uac2_ctl_value_size(cval->val_type); |
| 355 | |
Daniel Mack | e8bdb6b | 2010-06-11 17:34:22 +0200 | [diff] [blame] | 356 | if (request == UAC_GET_CUR) { |
| 357 | bRequest = UAC2_CS_CUR; |
Kirill Marinushkin | 31cb8df | 2018-01-29 06:37:55 +0100 | [diff] [blame] | 358 | size = val_size; |
Daniel Mack | e8bdb6b | 2010-06-11 17:34:22 +0200 | [diff] [blame] | 359 | } else { |
| 360 | bRequest = UAC2_CS_RANGE; |
Kirill Marinushkin | 31cb8df | 2018-01-29 06:37:55 +0100 | [diff] [blame] | 361 | size = sizeof(__u16) + 3 * val_size; |
Daniel Mack | e8bdb6b | 2010-06-11 17:34:22 +0200 | [diff] [blame] | 362 | } |
| 363 | |
| 364 | memset(buf, 0, sizeof(buf)); |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 365 | |
Takashi Iwai | 47ab154 | 2015-08-25 16:09:00 +0200 | [diff] [blame] | 366 | ret = snd_usb_lock_shutdown(chip) ? -EIO : 0; |
Oliver Neukum | 88a8516 | 2011-03-11 14:51:12 +0100 | [diff] [blame] | 367 | if (ret) |
| 368 | goto error; |
| 369 | |
Takashi Iwai | 47ab154 | 2015-08-25 16:09:00 +0200 | [diff] [blame] | 370 | idx = snd_usb_ctrl_intf(chip) | (cval->head.id << 8); |
| 371 | ret = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), bRequest, |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 372 | USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, |
Takashi Iwai | 978520b | 2012-10-12 15:12:55 +0200 | [diff] [blame] | 373 | validx, idx, buf, size); |
Takashi Iwai | 47ab154 | 2015-08-25 16:09:00 +0200 | [diff] [blame] | 374 | snd_usb_unlock_shutdown(chip); |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 375 | |
| 376 | if (ret < 0) { |
Oliver Neukum | 88a8516 | 2011-03-11 14:51:12 +0100 | [diff] [blame] | 377 | error: |
Takashi Iwai | 0ba41d9 | 2014-02-26 13:02:17 +0100 | [diff] [blame] | 378 | usb_audio_err(chip, |
| 379 | "cannot get ctl value: req = %#x, wValue = %#x, wIndex = %#x, type = %d\n", |
| 380 | request, validx, idx, cval->val_type); |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 381 | return ret; |
| 382 | } |
| 383 | |
Daniel Mack | e8bdb6b | 2010-06-11 17:34:22 +0200 | [diff] [blame] | 384 | /* FIXME: how should we handle multiple triplets here? */ |
| 385 | |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 386 | switch (request) { |
| 387 | case UAC_GET_CUR: |
| 388 | val = buf; |
| 389 | break; |
| 390 | case UAC_GET_MIN: |
| 391 | val = buf + sizeof(__u16); |
| 392 | break; |
| 393 | case UAC_GET_MAX: |
Kirill Marinushkin | 31cb8df | 2018-01-29 06:37:55 +0100 | [diff] [blame] | 394 | val = buf + sizeof(__u16) + val_size; |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 395 | break; |
| 396 | case UAC_GET_RES: |
Kirill Marinushkin | 31cb8df | 2018-01-29 06:37:55 +0100 | [diff] [blame] | 397 | val = buf + sizeof(__u16) + val_size * 2; |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 398 | break; |
| 399 | default: |
| 400 | return -EINVAL; |
| 401 | } |
| 402 | |
Kirill Marinushkin | 31cb8df | 2018-01-29 06:37:55 +0100 | [diff] [blame] | 403 | *value_ret = convert_signed_value(cval, |
| 404 | snd_usb_combine_bytes(val, val_size)); |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 405 | |
| 406 | return 0; |
| 407 | } |
| 408 | |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 409 | static int get_ctl_value(struct usb_mixer_elem_info *cval, int request, |
| 410 | int validx, int *value_ret) |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 411 | { |
Eldad Zack | 9f81410 | 2012-11-28 23:55:35 +0100 | [diff] [blame] | 412 | validx += cval->idx_off; |
| 413 | |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 414 | return (cval->head.mixer->protocol == UAC_VERSION_1) ? |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 415 | get_ctl_value_v1(cval, request, validx, value_ret) : |
| 416 | get_ctl_value_v2(cval, request, validx, value_ret); |
| 417 | } |
| 418 | |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 419 | static int get_cur_ctl_value(struct usb_mixer_elem_info *cval, |
| 420 | int validx, int *value) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 421 | { |
Daniel Mack | de48c7b | 2010-02-22 23:49:13 +0100 | [diff] [blame] | 422 | return get_ctl_value(cval, UAC_GET_CUR, validx, value); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 423 | } |
| 424 | |
| 425 | /* channel = 0: master, 1 = first channel */ |
Takashi Iwai | 641b487 | 2009-01-15 17:05:24 +0100 | [diff] [blame] | 426 | static inline int get_cur_mix_raw(struct usb_mixer_elem_info *cval, |
| 427 | int channel, int *value) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 428 | { |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 429 | return get_ctl_value(cval, UAC_GET_CUR, |
| 430 | (cval->control << 8) | channel, |
| 431 | value); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 432 | } |
| 433 | |
Chris J Arges | eef9045 | 2014-11-12 12:07:01 -0600 | [diff] [blame] | 434 | int snd_usb_get_cur_mix_value(struct usb_mixer_elem_info *cval, |
Takashi Iwai | 641b487 | 2009-01-15 17:05:24 +0100 | [diff] [blame] | 435 | int channel, int index, int *value) |
| 436 | { |
| 437 | int err; |
| 438 | |
| 439 | if (cval->cached & (1 << channel)) { |
| 440 | *value = cval->cache_val[index]; |
| 441 | return 0; |
| 442 | } |
| 443 | err = get_cur_mix_raw(cval, channel, value); |
| 444 | if (err < 0) { |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 445 | if (!cval->head.mixer->ignore_ctl_error) |
| 446 | usb_audio_dbg(cval->head.mixer->chip, |
Takashi Iwai | 0ba41d9 | 2014-02-26 13:02:17 +0100 | [diff] [blame] | 447 | "cannot get current value for control %d ch %d: err = %d\n", |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 448 | cval->control, channel, err); |
Takashi Iwai | 641b487 | 2009-01-15 17:05:24 +0100 | [diff] [blame] | 449 | return err; |
| 450 | } |
| 451 | cval->cached |= 1 << channel; |
| 452 | cval->cache_val[index] = *value; |
| 453 | return 0; |
| 454 | } |
| 455 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 456 | /* |
| 457 | * set a mixer value |
| 458 | */ |
| 459 | |
Daniel Mack | 7b1eda2 | 2010-03-11 21:13:22 +0100 | [diff] [blame] | 460 | int snd_usb_mixer_set_ctl_value(struct usb_mixer_elem_info *cval, |
| 461 | int request, int validx, int value_set) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 462 | { |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 463 | struct snd_usb_audio *chip = cval->head.mixer->chip; |
Julian Scheel | bc18e31 | 2015-08-14 16:14:45 +0200 | [diff] [blame] | 464 | unsigned char buf[4]; |
Takashi Iwai | 978520b | 2012-10-12 15:12:55 +0200 | [diff] [blame] | 465 | int idx = 0, val_len, err, timeout = 10; |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 466 | |
Eldad Zack | 9f81410 | 2012-11-28 23:55:35 +0100 | [diff] [blame] | 467 | validx += cval->idx_off; |
| 468 | |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 469 | if (cval->head.mixer->protocol == UAC_VERSION_1) { |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 470 | val_len = cval->val_type >= USB_MIXER_S16 ? 2 : 1; |
| 471 | } else { /* UAC_VERSION_2 */ |
Julian Scheel | bc18e31 | 2015-08-14 16:14:45 +0200 | [diff] [blame] | 472 | val_len = uac2_ctl_value_size(cval->val_type); |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 473 | |
| 474 | /* FIXME */ |
| 475 | if (request != UAC_SET_CUR) { |
Takashi Iwai | 0ba41d9 | 2014-02-26 13:02:17 +0100 | [diff] [blame] | 476 | usb_audio_dbg(chip, "RANGE setting not yet supported\n"); |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 477 | return -EINVAL; |
| 478 | } |
| 479 | |
| 480 | request = UAC2_CS_CUR; |
| 481 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 482 | |
| 483 | value_set = convert_bytes_value(cval, value_set); |
| 484 | buf[0] = value_set & 0xff; |
| 485 | buf[1] = (value_set >> 8) & 0xff; |
Julian Scheel | bc18e31 | 2015-08-14 16:14:45 +0200 | [diff] [blame] | 486 | buf[2] = (value_set >> 16) & 0xff; |
| 487 | buf[3] = (value_set >> 24) & 0xff; |
Takashi Iwai | 47ab154 | 2015-08-25 16:09:00 +0200 | [diff] [blame] | 488 | |
| 489 | err = snd_usb_lock_shutdown(chip); |
Oliver Neukum | 88a8516 | 2011-03-11 14:51:12 +0100 | [diff] [blame] | 490 | if (err < 0) |
| 491 | return -EIO; |
Takashi Iwai | 47ab154 | 2015-08-25 16:09:00 +0200 | [diff] [blame] | 492 | |
Takashi Iwai | 978520b | 2012-10-12 15:12:55 +0200 | [diff] [blame] | 493 | while (timeout-- > 0) { |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 494 | idx = snd_usb_ctrl_intf(chip) | (cval->head.id << 8); |
Daniel Mack | 3d8d4dc | 2010-06-16 17:57:31 +0200 | [diff] [blame] | 495 | if (snd_usb_ctl_msg(chip->dev, |
| 496 | usb_sndctrlpipe(chip->dev, 0), request, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 497 | USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT, |
Takashi Iwai | 978520b | 2012-10-12 15:12:55 +0200 | [diff] [blame] | 498 | validx, idx, buf, val_len) >= 0) { |
| 499 | err = 0; |
| 500 | goto out; |
Oliver Neukum | 88a8516 | 2011-03-11 14:51:12 +0100 | [diff] [blame] | 501 | } |
Takashi Iwai | 978520b | 2012-10-12 15:12:55 +0200 | [diff] [blame] | 502 | } |
Takashi Iwai | 0ba41d9 | 2014-02-26 13:02:17 +0100 | [diff] [blame] | 503 | usb_audio_dbg(chip, "cannot set ctl value: req = %#x, wValue = %#x, wIndex = %#x, type = %d, data = %#x/%#x\n", |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 504 | request, validx, idx, cval->val_type, buf[0], buf[1]); |
Takashi Iwai | 978520b | 2012-10-12 15:12:55 +0200 | [diff] [blame] | 505 | err = -EINVAL; |
| 506 | |
| 507 | out: |
Takashi Iwai | 47ab154 | 2015-08-25 16:09:00 +0200 | [diff] [blame] | 508 | snd_usb_unlock_shutdown(chip); |
Takashi Iwai | 978520b | 2012-10-12 15:12:55 +0200 | [diff] [blame] | 509 | return err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 510 | } |
| 511 | |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 512 | static int set_cur_ctl_value(struct usb_mixer_elem_info *cval, |
| 513 | int validx, int value) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 514 | { |
Daniel Mack | 7b1eda2 | 2010-03-11 21:13:22 +0100 | [diff] [blame] | 515 | return snd_usb_mixer_set_ctl_value(cval, UAC_SET_CUR, validx, value); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 516 | } |
| 517 | |
Chris J Arges | eef9045 | 2014-11-12 12:07:01 -0600 | [diff] [blame] | 518 | int snd_usb_set_cur_mix_value(struct usb_mixer_elem_info *cval, int channel, |
Takashi Iwai | 641b487 | 2009-01-15 17:05:24 +0100 | [diff] [blame] | 519 | int index, int value) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 520 | { |
Takashi Iwai | 641b487 | 2009-01-15 17:05:24 +0100 | [diff] [blame] | 521 | int err; |
Daniel Mack | a6a3325 | 2010-05-31 13:35:37 +0200 | [diff] [blame] | 522 | unsigned int read_only = (channel == 0) ? |
| 523 | cval->master_readonly : |
| 524 | cval->ch_readonly & (1 << (channel - 1)); |
| 525 | |
| 526 | if (read_only) { |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 527 | usb_audio_dbg(cval->head.mixer->chip, |
Takashi Iwai | 0ba41d9 | 2014-02-26 13:02:17 +0100 | [diff] [blame] | 528 | "%s(): channel %d of control %d is read_only\n", |
Daniel Mack | a6a3325 | 2010-05-31 13:35:37 +0200 | [diff] [blame] | 529 | __func__, channel, cval->control); |
| 530 | return 0; |
| 531 | } |
| 532 | |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 533 | err = snd_usb_mixer_set_ctl_value(cval, |
| 534 | UAC_SET_CUR, (cval->control << 8) | channel, |
| 535 | value); |
Takashi Iwai | 641b487 | 2009-01-15 17:05:24 +0100 | [diff] [blame] | 536 | if (err < 0) |
| 537 | return err; |
| 538 | cval->cached |= 1 << channel; |
| 539 | cval->cache_val[index] = value; |
| 540 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 541 | } |
| 542 | |
Takashi Iwai | 7bc5ba7e | 2006-07-14 15:18:19 +0200 | [diff] [blame] | 543 | /* |
| 544 | * TLV callback for mixer volume controls |
| 545 | */ |
Felix Homann | 285de9c | 2012-04-23 20:24:24 +0200 | [diff] [blame] | 546 | int snd_usb_mixer_vol_tlv(struct snd_kcontrol *kcontrol, int op_flag, |
Takashi Iwai | 7bc5ba7e | 2006-07-14 15:18:19 +0200 | [diff] [blame] | 547 | unsigned int size, unsigned int __user *_tlv) |
| 548 | { |
| 549 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
Takashi Iwai | b8e1c73 | 2009-06-16 14:04:37 +0200 | [diff] [blame] | 550 | DECLARE_TLV_DB_MINMAX(scale, 0, 0); |
Takashi Iwai | 7bc5ba7e | 2006-07-14 15:18:19 +0200 | [diff] [blame] | 551 | |
| 552 | if (size < sizeof(scale)) |
| 553 | return -ENOMEM; |
Takashi Iwai | d3e6e59 | 2017-08-16 14:18:37 +0200 | [diff] [blame] | 554 | if (cval->min_mute) |
| 555 | scale[0] = SNDRV_CTL_TLVT_DB_MINMAX_MUTE; |
Jaroslav Kysela | c3a3e04 | 2010-02-11 17:50:44 +0100 | [diff] [blame] | 556 | scale[2] = cval->dBmin; |
| 557 | scale[3] = cval->dBmax; |
Takashi Iwai | 7bc5ba7e | 2006-07-14 15:18:19 +0200 | [diff] [blame] | 558 | if (copy_to_user(_tlv, scale, sizeof(scale))) |
| 559 | return -EFAULT; |
| 560 | return 0; |
| 561 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 562 | |
| 563 | /* |
| 564 | * parser routines begin here... |
| 565 | */ |
| 566 | |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 567 | static int parse_audio_unit(struct mixer_build *state, int unitid); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 568 | |
| 569 | |
| 570 | /* |
| 571 | * check if the input/output channel routing is enabled on the given bitmap. |
| 572 | * used for mixer unit parser |
| 573 | */ |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 574 | static int check_matrix_bitmap(unsigned char *bmap, |
| 575 | int ich, int och, int num_outs) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 576 | { |
| 577 | int idx = ich * num_outs + och; |
| 578 | return bmap[idx >> 3] & (0x80 >> (idx & 7)); |
| 579 | } |
| 580 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 581 | /* |
| 582 | * add an alsa control element |
| 583 | * search and increment the index until an empty slot is found. |
| 584 | * |
| 585 | * if failed, give up and free the control instance. |
| 586 | */ |
| 587 | |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 588 | int snd_usb_mixer_add_control(struct usb_mixer_elem_list *list, |
Daniel Mack | ef9d597 | 2011-05-25 09:09:00 +0200 | [diff] [blame] | 589 | struct snd_kcontrol *kctl) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 590 | { |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 591 | struct usb_mixer_interface *mixer = list->mixer; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 592 | int err; |
Clemens Ladisch | 84957a8 | 2005-04-29 16:23:13 +0200 | [diff] [blame] | 593 | |
Daniel Mack | ef9d597 | 2011-05-25 09:09:00 +0200 | [diff] [blame] | 594 | while (snd_ctl_find_id(mixer->chip->card, &kctl->id)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 595 | kctl->id.index++; |
Daniel Mack | ef9d597 | 2011-05-25 09:09:00 +0200 | [diff] [blame] | 596 | if ((err = snd_ctl_add(mixer->chip->card, kctl)) < 0) { |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 597 | usb_audio_dbg(mixer->chip, "cannot add control (err = %d)\n", |
| 598 | err); |
Clemens Ladisch | 6639b6c | 2005-04-29 16:26:14 +0200 | [diff] [blame] | 599 | return err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 600 | } |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 601 | list->kctl = kctl; |
| 602 | list->next_id_elem = mixer->id_elems[list->id]; |
| 603 | mixer->id_elems[list->id] = list; |
Clemens Ladisch | 6639b6c | 2005-04-29 16:26:14 +0200 | [diff] [blame] | 604 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 605 | } |
| 606 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 607 | /* |
| 608 | * get a terminal name string |
| 609 | */ |
| 610 | |
| 611 | static struct iterm_name_combo { |
| 612 | int type; |
| 613 | char *name; |
| 614 | } iterm_names[] = { |
| 615 | { 0x0300, "Output" }, |
| 616 | { 0x0301, "Speaker" }, |
| 617 | { 0x0302, "Headphone" }, |
| 618 | { 0x0303, "HMD Audio" }, |
| 619 | { 0x0304, "Desktop Speaker" }, |
| 620 | { 0x0305, "Room Speaker" }, |
| 621 | { 0x0306, "Com Speaker" }, |
| 622 | { 0x0307, "LFE" }, |
| 623 | { 0x0600, "External In" }, |
| 624 | { 0x0601, "Analog In" }, |
| 625 | { 0x0602, "Digital In" }, |
| 626 | { 0x0603, "Line" }, |
| 627 | { 0x0604, "Legacy In" }, |
| 628 | { 0x0605, "IEC958 In" }, |
| 629 | { 0x0606, "1394 DA Stream" }, |
| 630 | { 0x0607, "1394 DV Stream" }, |
| 631 | { 0x0700, "Embedded" }, |
| 632 | { 0x0701, "Noise Source" }, |
| 633 | { 0x0702, "Equalization Noise" }, |
| 634 | { 0x0703, "CD" }, |
| 635 | { 0x0704, "DAT" }, |
| 636 | { 0x0705, "DCC" }, |
| 637 | { 0x0706, "MiniDisk" }, |
| 638 | { 0x0707, "Analog Tape" }, |
| 639 | { 0x0708, "Phonograph" }, |
| 640 | { 0x0709, "VCR Audio" }, |
| 641 | { 0x070a, "Video Disk Audio" }, |
| 642 | { 0x070b, "DVD Audio" }, |
| 643 | { 0x070c, "TV Tuner Audio" }, |
| 644 | { 0x070d, "Satellite Rec Audio" }, |
| 645 | { 0x070e, "Cable Tuner Audio" }, |
| 646 | { 0x070f, "DSS Audio" }, |
| 647 | { 0x0710, "Radio Receiver" }, |
| 648 | { 0x0711, "Radio Transmitter" }, |
| 649 | { 0x0712, "Multi-Track Recorder" }, |
| 650 | { 0x0713, "Synthesizer" }, |
| 651 | { 0 }, |
| 652 | }; |
| 653 | |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 654 | static int get_term_name(struct mixer_build *state, struct usb_audio_term *iterm, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 655 | unsigned char *name, int maxlen, int term_only) |
| 656 | { |
| 657 | struct iterm_name_combo *names; |
| 658 | |
| 659 | if (iterm->name) |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 660 | return snd_usb_copy_string_desc(state, iterm->name, |
| 661 | name, maxlen); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 662 | |
| 663 | /* virtual type - not a real terminal */ |
| 664 | if (iterm->type >> 16) { |
| 665 | if (term_only) |
| 666 | return 0; |
| 667 | switch (iterm->type >> 16) { |
Daniel Mack | de48c7b | 2010-02-22 23:49:13 +0100 | [diff] [blame] | 668 | case UAC_SELECTOR_UNIT: |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 669 | strcpy(name, "Selector"); |
| 670 | return 8; |
Daniel Mack | 69da9bc | 2010-06-16 17:57:28 +0200 | [diff] [blame] | 671 | case UAC1_PROCESSING_UNIT: |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 672 | strcpy(name, "Process Unit"); |
| 673 | return 12; |
Daniel Mack | 69da9bc | 2010-06-16 17:57:28 +0200 | [diff] [blame] | 674 | case UAC1_EXTENSION_UNIT: |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 675 | strcpy(name, "Ext Unit"); |
| 676 | return 8; |
Daniel Mack | de48c7b | 2010-02-22 23:49:13 +0100 | [diff] [blame] | 677 | case UAC_MIXER_UNIT: |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 678 | strcpy(name, "Mixer"); |
| 679 | return 5; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 680 | default: |
| 681 | return sprintf(name, "Unit %d", iterm->id); |
| 682 | } |
| 683 | } |
| 684 | |
| 685 | switch (iterm->type & 0xff00) { |
| 686 | case 0x0100: |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 687 | strcpy(name, "PCM"); |
| 688 | return 3; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 689 | case 0x0200: |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 690 | strcpy(name, "Mic"); |
| 691 | return 3; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 692 | case 0x0400: |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 693 | strcpy(name, "Headset"); |
| 694 | return 7; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 695 | case 0x0500: |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 696 | strcpy(name, "Phone"); |
| 697 | return 5; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 698 | } |
| 699 | |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 700 | for (names = iterm_names; names->type; names++) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 701 | if (names->type == iterm->type) { |
| 702 | strcpy(name, names->name); |
| 703 | return strlen(names->name); |
| 704 | } |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 705 | } |
| 706 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 707 | return 0; |
| 708 | } |
| 709 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 710 | /* |
| 711 | * parse the source unit recursively until it reaches to a terminal |
| 712 | * or a branched unit. |
| 713 | */ |
Hui Peng | 2bac3a3 | 2019-08-15 00:31:34 -0400 | [diff] [blame] | 714 | static int __check_input_term(struct mixer_build *state, int id, |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 715 | struct usb_audio_term *term) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 716 | { |
Daniel Mack | 0941420 | 2010-05-31 13:35:44 +0200 | [diff] [blame] | 717 | int err; |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 718 | void *p1; |
Hui Peng | 2bac3a3 | 2019-08-15 00:31:34 -0400 | [diff] [blame] | 719 | unsigned char *hdr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 720 | |
| 721 | memset(term, 0, sizeof(*term)); |
Hui Peng | 2bac3a3 | 2019-08-15 00:31:34 -0400 | [diff] [blame] | 722 | for (;;) { |
| 723 | /* a loop in the terminal chain? */ |
| 724 | if (test_and_set_bit(id, state->termbitmap)) |
| 725 | return -EINVAL; |
| 726 | |
| 727 | p1 = find_audio_control_unit(state, id); |
| 728 | if (!p1) |
| 729 | break; |
| 730 | |
| 731 | hdr = p1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 732 | term->id = id; |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 733 | switch (hdr[2]) { |
Daniel Mack | de48c7b | 2010-02-22 23:49:13 +0100 | [diff] [blame] | 734 | case UAC_INPUT_TERMINAL: |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 735 | if (state->mixer->protocol == UAC_VERSION_1) { |
| 736 | struct uac_input_terminal_descriptor *d = p1; |
| 737 | term->type = le16_to_cpu(d->wTerminalType); |
| 738 | term->channels = d->bNrChannels; |
| 739 | term->chconfig = le16_to_cpu(d->wChannelConfig); |
| 740 | term->name = d->iTerminal; |
| 741 | } else { /* UAC_VERSION_2 */ |
| 742 | struct uac2_input_terminal_descriptor *d = p1; |
Julian Scheel | 9430e54 | 2015-08-19 09:28:09 +0200 | [diff] [blame] | 743 | |
| 744 | /* call recursively to verify that the |
| 745 | * referenced clock entity is valid */ |
Hui Peng | 2bac3a3 | 2019-08-15 00:31:34 -0400 | [diff] [blame] | 746 | err = __check_input_term(state, d->bCSourceID, term); |
Julian Scheel | 9430e54 | 2015-08-19 09:28:09 +0200 | [diff] [blame] | 747 | if (err < 0) |
| 748 | return err; |
| 749 | |
| 750 | /* save input term properties after recursion, |
| 751 | * to ensure they are not overriden by the |
| 752 | * recursion calls */ |
| 753 | term->id = id; |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 754 | term->type = le16_to_cpu(d->wTerminalType); |
| 755 | term->channels = d->bNrChannels; |
| 756 | term->chconfig = le32_to_cpu(d->bmChannelConfig); |
| 757 | term->name = d->iTerminal; |
| 758 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 759 | return 0; |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 760 | case UAC_FEATURE_UNIT: { |
| 761 | /* the header is the same for v1 and v2 */ |
| 762 | struct uac_feature_unit_descriptor *d = p1; |
Daniel Mack | 5e68888 | 2010-05-08 11:24:56 +0200 | [diff] [blame] | 763 | id = d->bSourceID; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 764 | break; /* continue to parse */ |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 765 | } |
| 766 | case UAC_MIXER_UNIT: { |
| 767 | struct uac_mixer_unit_descriptor *d = p1; |
| 768 | term->type = d->bDescriptorSubtype << 16; /* virtual type */ |
| 769 | term->channels = uac_mixer_unit_bNrChannels(d); |
| 770 | term->chconfig = uac_mixer_unit_wChannelConfig(d, state->mixer->protocol); |
| 771 | term->name = uac_mixer_unit_iMixer(d); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 772 | return 0; |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 773 | } |
Daniel Mack | 0941420 | 2010-05-31 13:35:44 +0200 | [diff] [blame] | 774 | case UAC_SELECTOR_UNIT: |
| 775 | case UAC2_CLOCK_SELECTOR: { |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 776 | struct uac_selector_unit_descriptor *d = p1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 777 | /* call recursively to retrieve the channel info */ |
Hui Peng | 2bac3a3 | 2019-08-15 00:31:34 -0400 | [diff] [blame] | 778 | err = __check_input_term(state, d->baSourceID[0], term); |
Daniel Mack | 4d7b86c | 2013-03-19 21:09:24 +0100 | [diff] [blame] | 779 | if (err < 0) |
| 780 | return err; |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 781 | term->type = d->bDescriptorSubtype << 16; /* virtual type */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 782 | term->id = id; |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 783 | term->name = uac_selector_unit_iSelector(d); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 784 | return 0; |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 785 | } |
Daniel Mack | 69da9bc | 2010-06-16 17:57:28 +0200 | [diff] [blame] | 786 | case UAC1_PROCESSING_UNIT: |
Eldad Zack | 5dae5fd | 2012-11-28 23:55:36 +0100 | [diff] [blame] | 787 | case UAC1_EXTENSION_UNIT: |
| 788 | /* UAC2_PROCESSING_UNIT_V2 */ |
Torstein Hegge | 61ac513 | 2013-03-19 17:12:14 +0100 | [diff] [blame] | 789 | /* UAC2_EFFECT_UNIT */ |
| 790 | case UAC2_EXTENSION_UNIT_V2: { |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 791 | struct uac_processing_unit_descriptor *d = p1; |
Eldad Zack | 5dae5fd | 2012-11-28 23:55:36 +0100 | [diff] [blame] | 792 | |
| 793 | if (state->mixer->protocol == UAC_VERSION_2 && |
| 794 | hdr[2] == UAC2_EFFECT_UNIT) { |
| 795 | /* UAC2/UAC1 unit IDs overlap here in an |
| 796 | * uncompatible way. Ignore this unit for now. |
| 797 | */ |
| 798 | return 0; |
| 799 | } |
| 800 | |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 801 | if (d->bNrInPins) { |
| 802 | id = d->baSourceID[0]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 803 | break; /* continue to parse */ |
| 804 | } |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 805 | term->type = d->bDescriptorSubtype << 16; /* virtual type */ |
| 806 | term->channels = uac_processing_unit_bNrChannels(d); |
| 807 | term->chconfig = uac_processing_unit_wChannelConfig(d, state->mixer->protocol); |
| 808 | term->name = uac_processing_unit_iProcessing(d, state->mixer->protocol); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 809 | return 0; |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 810 | } |
Daniel Mack | 0941420 | 2010-05-31 13:35:44 +0200 | [diff] [blame] | 811 | case UAC2_CLOCK_SOURCE: { |
| 812 | struct uac_clock_source_descriptor *d = p1; |
| 813 | term->type = d->bDescriptorSubtype << 16; /* virtual type */ |
| 814 | term->id = id; |
| 815 | term->name = d->iClockSource; |
| 816 | return 0; |
| 817 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 818 | default: |
| 819 | return -ENODEV; |
| 820 | } |
| 821 | } |
| 822 | return -ENODEV; |
| 823 | } |
| 824 | |
Hui Peng | 2bac3a3 | 2019-08-15 00:31:34 -0400 | [diff] [blame] | 825 | |
| 826 | static int check_input_term(struct mixer_build *state, int id, |
| 827 | struct usb_audio_term *term) |
| 828 | { |
| 829 | memset(term, 0, sizeof(*term)); |
| 830 | memset(state->termbitmap, 0, sizeof(state->termbitmap)); |
| 831 | return __check_input_term(state, id, term); |
| 832 | } |
| 833 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 834 | /* |
| 835 | * Feature Unit |
| 836 | */ |
| 837 | |
| 838 | /* feature unit control information */ |
| 839 | struct usb_feature_control_info { |
| 840 | const char *name; |
Julian Scheel | bc18e31 | 2015-08-14 16:14:45 +0200 | [diff] [blame] | 841 | int type; /* data type for uac1 */ |
| 842 | int type_uac2; /* data type for uac2 if different from uac1, else -1 */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 843 | }; |
| 844 | |
| 845 | static struct usb_feature_control_info audio_feature_info[] = { |
Julian Scheel | bc18e31 | 2015-08-14 16:14:45 +0200 | [diff] [blame] | 846 | { "Mute", USB_MIXER_INV_BOOLEAN, -1 }, |
| 847 | { "Volume", USB_MIXER_S16, -1 }, |
| 848 | { "Tone Control - Bass", USB_MIXER_S8, -1 }, |
| 849 | { "Tone Control - Mid", USB_MIXER_S8, -1 }, |
| 850 | { "Tone Control - Treble", USB_MIXER_S8, -1 }, |
| 851 | { "Graphic Equalizer", USB_MIXER_S8, -1 }, /* FIXME: not implemeted yet */ |
| 852 | { "Auto Gain Control", USB_MIXER_BOOLEAN, -1 }, |
| 853 | { "Delay Control", USB_MIXER_U16, USB_MIXER_U32 }, |
| 854 | { "Bass Boost", USB_MIXER_BOOLEAN, -1 }, |
| 855 | { "Loudness", USB_MIXER_BOOLEAN, -1 }, |
Daniel Mack | 2e0281d | 2010-05-31 13:35:42 +0200 | [diff] [blame] | 856 | /* UAC2 specific */ |
Julian Scheel | bc18e31 | 2015-08-14 16:14:45 +0200 | [diff] [blame] | 857 | { "Input Gain Control", USB_MIXER_S16, -1 }, |
| 858 | { "Input Gain Pad Control", USB_MIXER_S16, -1 }, |
| 859 | { "Phase Inverter Control", USB_MIXER_BOOLEAN, -1 }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 860 | }; |
| 861 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 862 | /* private_free callback */ |
Chris J Arges | eef9045 | 2014-11-12 12:07:01 -0600 | [diff] [blame] | 863 | void snd_usb_mixer_elem_free(struct snd_kcontrol *kctl) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 864 | { |
Jesper Juhl | 4d57277 | 2005-05-30 17:30:32 +0200 | [diff] [blame] | 865 | kfree(kctl->private_data); |
| 866 | kctl->private_data = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 867 | } |
| 868 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 869 | /* |
| 870 | * interface to ALSA control for feature/mixer units |
| 871 | */ |
| 872 | |
Takashi Iwai | dcaaf9f | 2011-11-08 17:50:27 +0100 | [diff] [blame] | 873 | /* volume control quirks */ |
| 874 | static void volume_control_quirks(struct usb_mixer_elem_info *cval, |
| 875 | struct snd_kcontrol *kctl) |
| 876 | { |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 877 | struct snd_usb_audio *chip = cval->head.mixer->chip; |
Takashi Iwai | 0ba41d9 | 2014-02-26 13:02:17 +0100 | [diff] [blame] | 878 | switch (chip->usb_id) { |
Eldad Zack | d50ed62 | 2012-11-28 23:55:39 +0100 | [diff] [blame] | 879 | case USB_ID(0x0763, 0x2030): /* M-Audio Fast Track C400 */ |
Matt Gruskin | e9a25e0 | 2013-02-09 12:56:35 -0500 | [diff] [blame] | 880 | case USB_ID(0x0763, 0x2031): /* M-Audio Fast Track C600 */ |
Eldad Zack | d50ed62 | 2012-11-28 23:55:39 +0100 | [diff] [blame] | 881 | if (strcmp(kctl->id.name, "Effect Duration") == 0) { |
| 882 | cval->min = 0x0000; |
| 883 | cval->max = 0xffff; |
| 884 | cval->res = 0x00e6; |
| 885 | break; |
| 886 | } |
| 887 | if (strcmp(kctl->id.name, "Effect Volume") == 0 || |
| 888 | strcmp(kctl->id.name, "Effect Feedback Volume") == 0) { |
| 889 | cval->min = 0x00; |
| 890 | cval->max = 0xff; |
| 891 | break; |
| 892 | } |
| 893 | if (strstr(kctl->id.name, "Effect Return") != NULL) { |
| 894 | cval->min = 0xb706; |
| 895 | cval->max = 0xff7b; |
| 896 | cval->res = 0x0073; |
| 897 | break; |
| 898 | } |
| 899 | if ((strstr(kctl->id.name, "Playback Volume") != NULL) || |
| 900 | (strstr(kctl->id.name, "Effect Send") != NULL)) { |
| 901 | cval->min = 0xb5fb; /* -73 dB = 0xb6ff */ |
| 902 | cval->max = 0xfcfe; |
| 903 | cval->res = 0x0073; |
| 904 | } |
| 905 | break; |
| 906 | |
Felix Homann | d34bf14 | 2012-04-23 20:24:27 +0200 | [diff] [blame] | 907 | case USB_ID(0x0763, 0x2081): /* M-Audio Fast Track Ultra 8R */ |
| 908 | case USB_ID(0x0763, 0x2080): /* M-Audio Fast Track Ultra */ |
| 909 | if (strcmp(kctl->id.name, "Effect Duration") == 0) { |
Takashi Iwai | 0ba41d9 | 2014-02-26 13:02:17 +0100 | [diff] [blame] | 910 | usb_audio_info(chip, |
| 911 | "set quirk for FTU Effect Duration\n"); |
Felix Homann | d34bf14 | 2012-04-23 20:24:27 +0200 | [diff] [blame] | 912 | cval->min = 0x0000; |
| 913 | cval->max = 0x7f00; |
| 914 | cval->res = 0x0100; |
| 915 | break; |
| 916 | } |
| 917 | if (strcmp(kctl->id.name, "Effect Volume") == 0 || |
| 918 | strcmp(kctl->id.name, "Effect Feedback Volume") == 0) { |
Takashi Iwai | 0ba41d9 | 2014-02-26 13:02:17 +0100 | [diff] [blame] | 919 | usb_audio_info(chip, |
| 920 | "set quirks for FTU Effect Feedback/Volume\n"); |
Felix Homann | d34bf14 | 2012-04-23 20:24:27 +0200 | [diff] [blame] | 921 | cval->min = 0x00; |
| 922 | cval->max = 0x7f; |
| 923 | break; |
| 924 | } |
| 925 | break; |
| 926 | |
Federico Cuello | 639a74b | 2018-05-09 00:13:38 +0200 | [diff] [blame] | 927 | case USB_ID(0x0d8c, 0x0103): |
| 928 | if (!strcmp(kctl->id.name, "PCM Playback Volume")) { |
| 929 | usb_audio_info(chip, |
| 930 | "set volume quirk for CM102-A+/102S+\n"); |
| 931 | cval->min = -256; |
| 932 | } |
| 933 | break; |
| 934 | |
Takashi Iwai | dcaaf9f | 2011-11-08 17:50:27 +0100 | [diff] [blame] | 935 | case USB_ID(0x0471, 0x0101): |
| 936 | case USB_ID(0x0471, 0x0104): |
| 937 | case USB_ID(0x0471, 0x0105): |
| 938 | case USB_ID(0x0672, 0x1041): |
| 939 | /* quirk for UDA1321/N101. |
| 940 | * note that detection between firmware 2.1.1.7 (N101) |
| 941 | * and later 2.1.1.21 is not very clear from datasheets. |
| 942 | * I hope that the min value is -15360 for newer firmware --jk |
| 943 | */ |
| 944 | if (!strcmp(kctl->id.name, "PCM Playback Volume") && |
| 945 | cval->min == -15616) { |
Takashi Iwai | 0ba41d9 | 2014-02-26 13:02:17 +0100 | [diff] [blame] | 946 | usb_audio_info(chip, |
Takashi Iwai | dcaaf9f | 2011-11-08 17:50:27 +0100 | [diff] [blame] | 947 | "set volume quirk for UDA1321/N101 chip\n"); |
| 948 | cval->max = -256; |
| 949 | } |
| 950 | break; |
| 951 | |
| 952 | case USB_ID(0x046d, 0x09a4): |
| 953 | if (!strcmp(kctl->id.name, "Mic Capture Volume")) { |
Takashi Iwai | 0ba41d9 | 2014-02-26 13:02:17 +0100 | [diff] [blame] | 954 | usb_audio_info(chip, |
Takashi Iwai | dcaaf9f | 2011-11-08 17:50:27 +0100 | [diff] [blame] | 955 | "set volume quirk for QuickCam E3500\n"); |
| 956 | cval->min = 6080; |
| 957 | cval->max = 8768; |
| 958 | cval->res = 192; |
| 959 | } |
| 960 | break; |
| 961 | |
Takashi Iwai | e805ca8 | 2014-03-05 12:34:39 +0100 | [diff] [blame] | 962 | case USB_ID(0x046d, 0x0807): /* Logitech Webcam C500 */ |
Takashi Iwai | dcaaf9f | 2011-11-08 17:50:27 +0100 | [diff] [blame] | 963 | case USB_ID(0x046d, 0x0808): |
| 964 | case USB_ID(0x046d, 0x0809): |
Jason Lee Cragg | 6455931 | 2015-01-17 12:28:29 -0500 | [diff] [blame] | 965 | case USB_ID(0x046d, 0x0819): /* Logitech Webcam C210 */ |
Takashi Iwai | 36691e1 | 2013-06-17 10:25:02 +0200 | [diff] [blame] | 966 | case USB_ID(0x046d, 0x081b): /* HD Webcam c310 */ |
Alexey Fisher | 55c0008 | 2011-11-09 11:39:24 +0100 | [diff] [blame] | 967 | case USB_ID(0x046d, 0x081d): /* HD Webcam c510 */ |
Takashi Iwai | 11e7064 | 2013-06-05 08:35:26 +0200 | [diff] [blame] | 968 | case USB_ID(0x046d, 0x0825): /* HD Webcam c270 */ |
Maksim A. Boyko | 140d37d | 2013-08-10 12:20:02 +0400 | [diff] [blame] | 969 | case USB_ID(0x046d, 0x0826): /* HD Webcam c525 */ |
Wolfram Sang | 1ef9f05 | 2015-05-29 19:50:56 +0900 | [diff] [blame] | 970 | case USB_ID(0x046d, 0x08ca): /* Logitech Quickcam Fusion */ |
Takashi Iwai | dcaaf9f | 2011-11-08 17:50:27 +0100 | [diff] [blame] | 971 | case USB_ID(0x046d, 0x0991): |
Con Kolivas | 205d3de | 2016-12-09 15:15:57 +1100 | [diff] [blame] | 972 | case USB_ID(0x046d, 0x09a2): /* QuickCam Communicate Deluxe/S7500 */ |
Takashi Iwai | dcaaf9f | 2011-11-08 17:50:27 +0100 | [diff] [blame] | 973 | /* Most audio usb devices lie about volume resolution. |
| 974 | * Most Logitech webcams have res = 384. |
Con Kolivas | 205d3de | 2016-12-09 15:15:57 +1100 | [diff] [blame] | 975 | * Probably there is some logitech magic behind this number --fishor |
Takashi Iwai | dcaaf9f | 2011-11-08 17:50:27 +0100 | [diff] [blame] | 976 | */ |
| 977 | if (!strcmp(kctl->id.name, "Mic Capture Volume")) { |
Takashi Iwai | 0ba41d9 | 2014-02-26 13:02:17 +0100 | [diff] [blame] | 978 | usb_audio_info(chip, |
Takashi Iwai | dcaaf9f | 2011-11-08 17:50:27 +0100 | [diff] [blame] | 979 | "set resolution quirk: cval->res = 384\n"); |
| 980 | cval->res = 384; |
| 981 | } |
| 982 | break; |
Takashi Iwai | dcaaf9f | 2011-11-08 17:50:27 +0100 | [diff] [blame] | 983 | } |
| 984 | } |
| 985 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 986 | /* |
| 987 | * retrieve the minimum and maximum values for the specified control |
| 988 | */ |
Takashi Iwai | dcaaf9f | 2011-11-08 17:50:27 +0100 | [diff] [blame] | 989 | static int get_min_max_with_quirks(struct usb_mixer_elem_info *cval, |
| 990 | int default_min, struct snd_kcontrol *kctl) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 991 | { |
| 992 | /* for failsafe */ |
| 993 | cval->min = default_min; |
| 994 | cval->max = cval->min + 1; |
| 995 | cval->res = 1; |
Jaroslav Kysela | c3a3e04 | 2010-02-11 17:50:44 +0100 | [diff] [blame] | 996 | cval->dBmin = cval->dBmax = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 997 | |
| 998 | if (cval->val_type == USB_MIXER_BOOLEAN || |
| 999 | cval->val_type == USB_MIXER_INV_BOOLEAN) { |
| 1000 | cval->initialized = 1; |
| 1001 | } else { |
| 1002 | int minchn = 0; |
| 1003 | if (cval->cmask) { |
| 1004 | int i; |
| 1005 | for (i = 0; i < MAX_CHANNELS; i++) |
| 1006 | if (cval->cmask & (1 << i)) { |
| 1007 | minchn = i + 1; |
| 1008 | break; |
| 1009 | } |
| 1010 | } |
Daniel Mack | de48c7b | 2010-02-22 23:49:13 +0100 | [diff] [blame] | 1011 | if (get_ctl_value(cval, UAC_GET_MAX, (cval->control << 8) | minchn, &cval->max) < 0 || |
| 1012 | get_ctl_value(cval, UAC_GET_MIN, (cval->control << 8) | minchn, &cval->min) < 0) { |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 1013 | usb_audio_err(cval->head.mixer->chip, |
Takashi Iwai | 0ba41d9 | 2014-02-26 13:02:17 +0100 | [diff] [blame] | 1014 | "%d:%d: cannot get min/max values for control %d (id %d)\n", |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 1015 | cval->head.id, snd_usb_ctrl_intf(cval->head.mixer->chip), |
| 1016 | cval->control, cval->head.id); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1017 | return -EINVAL; |
| 1018 | } |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1019 | if (get_ctl_value(cval, UAC_GET_RES, |
| 1020 | (cval->control << 8) | minchn, |
| 1021 | &cval->res) < 0) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1022 | cval->res = 1; |
| 1023 | } else { |
| 1024 | int last_valid_res = cval->res; |
| 1025 | |
| 1026 | while (cval->res > 1) { |
Daniel Mack | 7b1eda2 | 2010-03-11 21:13:22 +0100 | [diff] [blame] | 1027 | if (snd_usb_mixer_set_ctl_value(cval, UAC_SET_RES, |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1028 | (cval->control << 8) | minchn, |
| 1029 | cval->res / 2) < 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1030 | break; |
| 1031 | cval->res /= 2; |
| 1032 | } |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1033 | if (get_ctl_value(cval, UAC_GET_RES, |
| 1034 | (cval->control << 8) | minchn, &cval->res) < 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1035 | cval->res = last_valid_res; |
| 1036 | } |
| 1037 | if (cval->res == 0) |
| 1038 | cval->res = 1; |
Takashi Iwai | 14790f1 | 2006-03-28 17:58:28 +0200 | [diff] [blame] | 1039 | |
| 1040 | /* Additional checks for the proper resolution |
| 1041 | * |
| 1042 | * Some devices report smaller resolutions than actually |
| 1043 | * reacting. They don't return errors but simply clip |
| 1044 | * to the lower aligned value. |
| 1045 | */ |
| 1046 | if (cval->min + cval->res < cval->max) { |
| 1047 | int last_valid_res = cval->res; |
| 1048 | int saved, test, check; |
Takashi Iwai | 4015731 | 2019-11-09 19:16:58 +0100 | [diff] [blame] | 1049 | if (get_cur_mix_raw(cval, minchn, &saved) < 0) |
| 1050 | goto no_res_check; |
Takashi Iwai | 14790f1 | 2006-03-28 17:58:28 +0200 | [diff] [blame] | 1051 | for (;;) { |
| 1052 | test = saved; |
| 1053 | if (test < cval->max) |
| 1054 | test += cval->res; |
| 1055 | else |
| 1056 | test -= cval->res; |
| 1057 | if (test < cval->min || test > cval->max || |
Chris J Arges | eef9045 | 2014-11-12 12:07:01 -0600 | [diff] [blame] | 1058 | snd_usb_set_cur_mix_value(cval, minchn, 0, test) || |
Takashi Iwai | 641b487 | 2009-01-15 17:05:24 +0100 | [diff] [blame] | 1059 | get_cur_mix_raw(cval, minchn, &check)) { |
Takashi Iwai | 14790f1 | 2006-03-28 17:58:28 +0200 | [diff] [blame] | 1060 | cval->res = last_valid_res; |
| 1061 | break; |
| 1062 | } |
| 1063 | if (test == check) |
| 1064 | break; |
| 1065 | cval->res *= 2; |
| 1066 | } |
Chris J Arges | eef9045 | 2014-11-12 12:07:01 -0600 | [diff] [blame] | 1067 | snd_usb_set_cur_mix_value(cval, minchn, 0, saved); |
Takashi Iwai | 14790f1 | 2006-03-28 17:58:28 +0200 | [diff] [blame] | 1068 | } |
| 1069 | |
Takashi Iwai | 4015731 | 2019-11-09 19:16:58 +0100 | [diff] [blame] | 1070 | no_res_check: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1071 | cval->initialized = 1; |
| 1072 | } |
Jaroslav Kysela | c3a3e04 | 2010-02-11 17:50:44 +0100 | [diff] [blame] | 1073 | |
Takashi Iwai | dcaaf9f | 2011-11-08 17:50:27 +0100 | [diff] [blame] | 1074 | if (kctl) |
| 1075 | volume_control_quirks(cval, kctl); |
| 1076 | |
Jaroslav Kysela | c3a3e04 | 2010-02-11 17:50:44 +0100 | [diff] [blame] | 1077 | /* USB descriptions contain the dB scale in 1/256 dB unit |
| 1078 | * while ALSA TLV contains in 1/100 dB unit |
| 1079 | */ |
| 1080 | cval->dBmin = (convert_signed_value(cval, cval->min) * 100) / 256; |
| 1081 | cval->dBmax = (convert_signed_value(cval, cval->max) * 100) / 256; |
| 1082 | if (cval->dBmin > cval->dBmax) { |
| 1083 | /* something is wrong; assume it's either from/to 0dB */ |
| 1084 | if (cval->dBmin < 0) |
| 1085 | cval->dBmax = 0; |
| 1086 | else if (cval->dBmin > 0) |
| 1087 | cval->dBmin = 0; |
| 1088 | if (cval->dBmin > cval->dBmax) { |
| 1089 | /* totally crap, return an error */ |
| 1090 | return -EINVAL; |
| 1091 | } |
| 1092 | } |
| 1093 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1094 | return 0; |
| 1095 | } |
| 1096 | |
Takashi Iwai | dcaaf9f | 2011-11-08 17:50:27 +0100 | [diff] [blame] | 1097 | #define get_min_max(cval, def) get_min_max_with_quirks(cval, def, NULL) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1098 | |
| 1099 | /* get a feature/mixer unit info */ |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1100 | static int mixer_ctl_feature_info(struct snd_kcontrol *kcontrol, |
| 1101 | struct snd_ctl_elem_info *uinfo) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1102 | { |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 1103 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1104 | |
| 1105 | if (cval->val_type == USB_MIXER_BOOLEAN || |
| 1106 | cval->val_type == USB_MIXER_INV_BOOLEAN) |
| 1107 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; |
| 1108 | else |
| 1109 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
| 1110 | uinfo->count = cval->channels; |
| 1111 | if (cval->val_type == USB_MIXER_BOOLEAN || |
| 1112 | cval->val_type == USB_MIXER_INV_BOOLEAN) { |
| 1113 | uinfo->value.integer.min = 0; |
| 1114 | uinfo->value.integer.max = 1; |
| 1115 | } else { |
Takashi Iwai | 9fcd0ab | 2011-08-19 08:30:53 +0200 | [diff] [blame] | 1116 | if (!cval->initialized) { |
Takashi Iwai | dcaaf9f | 2011-11-08 17:50:27 +0100 | [diff] [blame] | 1117 | get_min_max_with_quirks(cval, 0, kcontrol); |
Takashi Iwai | 9fcd0ab | 2011-08-19 08:30:53 +0200 | [diff] [blame] | 1118 | if (cval->initialized && cval->dBmin >= cval->dBmax) { |
| 1119 | kcontrol->vd[0].access &= |
| 1120 | ~(SNDRV_CTL_ELEM_ACCESS_TLV_READ | |
| 1121 | SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK); |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 1122 | snd_ctl_notify(cval->head.mixer->chip->card, |
Takashi Iwai | 9fcd0ab | 2011-08-19 08:30:53 +0200 | [diff] [blame] | 1123 | SNDRV_CTL_EVENT_MASK_INFO, |
| 1124 | &kcontrol->id); |
| 1125 | } |
| 1126 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1127 | uinfo->value.integer.min = 0; |
Takashi Iwai | 14790f1 | 2006-03-28 17:58:28 +0200 | [diff] [blame] | 1128 | uinfo->value.integer.max = |
| 1129 | (cval->max - cval->min + cval->res - 1) / cval->res; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1130 | } |
| 1131 | return 0; |
| 1132 | } |
| 1133 | |
| 1134 | /* get the current value from feature/mixer unit */ |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1135 | static int mixer_ctl_feature_get(struct snd_kcontrol *kcontrol, |
| 1136 | struct snd_ctl_elem_value *ucontrol) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1137 | { |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 1138 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1139 | int c, cnt, val, err; |
| 1140 | |
Takashi Iwai | 641b487 | 2009-01-15 17:05:24 +0100 | [diff] [blame] | 1141 | ucontrol->value.integer.value[0] = cval->min; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1142 | if (cval->cmask) { |
| 1143 | cnt = 0; |
| 1144 | for (c = 0; c < MAX_CHANNELS; c++) { |
Takashi Iwai | 641b487 | 2009-01-15 17:05:24 +0100 | [diff] [blame] | 1145 | if (!(cval->cmask & (1 << c))) |
| 1146 | continue; |
Chris J Arges | eef9045 | 2014-11-12 12:07:01 -0600 | [diff] [blame] | 1147 | err = snd_usb_get_cur_mix_value(cval, c + 1, cnt, &val); |
Takashi Iwai | 641b487 | 2009-01-15 17:05:24 +0100 | [diff] [blame] | 1148 | if (err < 0) |
Takashi Iwai | 5aeee34 | 2014-11-18 11:02:14 +0100 | [diff] [blame] | 1149 | return filter_error(cval, err); |
Takashi Iwai | 641b487 | 2009-01-15 17:05:24 +0100 | [diff] [blame] | 1150 | val = get_relative_value(cval, val); |
| 1151 | ucontrol->value.integer.value[cnt] = val; |
| 1152 | cnt++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1153 | } |
Takashi Iwai | 641b487 | 2009-01-15 17:05:24 +0100 | [diff] [blame] | 1154 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1155 | } else { |
| 1156 | /* master channel */ |
Chris J Arges | eef9045 | 2014-11-12 12:07:01 -0600 | [diff] [blame] | 1157 | err = snd_usb_get_cur_mix_value(cval, 0, 0, &val); |
Takashi Iwai | 641b487 | 2009-01-15 17:05:24 +0100 | [diff] [blame] | 1158 | if (err < 0) |
Takashi Iwai | 5aeee34 | 2014-11-18 11:02:14 +0100 | [diff] [blame] | 1159 | return filter_error(cval, err); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1160 | val = get_relative_value(cval, val); |
| 1161 | ucontrol->value.integer.value[0] = val; |
| 1162 | } |
| 1163 | return 0; |
| 1164 | } |
| 1165 | |
| 1166 | /* put the current value to feature/mixer unit */ |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1167 | static int mixer_ctl_feature_put(struct snd_kcontrol *kcontrol, |
| 1168 | struct snd_ctl_elem_value *ucontrol) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1169 | { |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 1170 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1171 | int c, cnt, val, oval, err; |
| 1172 | int changed = 0; |
| 1173 | |
| 1174 | if (cval->cmask) { |
| 1175 | cnt = 0; |
| 1176 | for (c = 0; c < MAX_CHANNELS; c++) { |
Takashi Iwai | 641b487 | 2009-01-15 17:05:24 +0100 | [diff] [blame] | 1177 | if (!(cval->cmask & (1 << c))) |
| 1178 | continue; |
Chris J Arges | eef9045 | 2014-11-12 12:07:01 -0600 | [diff] [blame] | 1179 | err = snd_usb_get_cur_mix_value(cval, c + 1, cnt, &oval); |
Takashi Iwai | 641b487 | 2009-01-15 17:05:24 +0100 | [diff] [blame] | 1180 | if (err < 0) |
Takashi Iwai | 5aeee34 | 2014-11-18 11:02:14 +0100 | [diff] [blame] | 1181 | return filter_error(cval, err); |
Takashi Iwai | 641b487 | 2009-01-15 17:05:24 +0100 | [diff] [blame] | 1182 | val = ucontrol->value.integer.value[cnt]; |
| 1183 | val = get_abs_value(cval, val); |
| 1184 | if (oval != val) { |
Chris J Arges | eef9045 | 2014-11-12 12:07:01 -0600 | [diff] [blame] | 1185 | snd_usb_set_cur_mix_value(cval, c + 1, cnt, val); |
Takashi Iwai | 641b487 | 2009-01-15 17:05:24 +0100 | [diff] [blame] | 1186 | changed = 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1187 | } |
Takashi Iwai | 641b487 | 2009-01-15 17:05:24 +0100 | [diff] [blame] | 1188 | cnt++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1189 | } |
| 1190 | } else { |
| 1191 | /* master channel */ |
Chris J Arges | eef9045 | 2014-11-12 12:07:01 -0600 | [diff] [blame] | 1192 | err = snd_usb_get_cur_mix_value(cval, 0, 0, &oval); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1193 | if (err < 0) |
Takashi Iwai | 5aeee34 | 2014-11-18 11:02:14 +0100 | [diff] [blame] | 1194 | return filter_error(cval, err); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1195 | val = ucontrol->value.integer.value[0]; |
| 1196 | val = get_abs_value(cval, val); |
| 1197 | if (val != oval) { |
Chris J Arges | eef9045 | 2014-11-12 12:07:01 -0600 | [diff] [blame] | 1198 | snd_usb_set_cur_mix_value(cval, 0, 0, val); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1199 | changed = 1; |
| 1200 | } |
| 1201 | } |
| 1202 | return changed; |
| 1203 | } |
| 1204 | |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 1205 | static struct snd_kcontrol_new usb_feature_unit_ctl = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1206 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| 1207 | .name = "", /* will be filled later manually */ |
| 1208 | .info = mixer_ctl_feature_info, |
| 1209 | .get = mixer_ctl_feature_get, |
| 1210 | .put = mixer_ctl_feature_put, |
| 1211 | }; |
| 1212 | |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 1213 | /* the read-only variant */ |
| 1214 | static struct snd_kcontrol_new usb_feature_unit_ctl_ro = { |
| 1215 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| 1216 | .name = "", /* will be filled later manually */ |
| 1217 | .info = mixer_ctl_feature_info, |
| 1218 | .get = mixer_ctl_feature_get, |
| 1219 | .put = NULL, |
| 1220 | }; |
| 1221 | |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1222 | /* |
| 1223 | * This symbol is exported in order to allow the mixer quirks to |
| 1224 | * hook up to the standard feature unit control mechanism |
| 1225 | */ |
Daniel Mack | 9e38658 | 2011-05-25 09:09:01 +0200 | [diff] [blame] | 1226 | struct snd_kcontrol_new *snd_usb_feature_unit_ctl = &usb_feature_unit_ctl; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1227 | |
| 1228 | /* |
| 1229 | * build a feature control |
| 1230 | */ |
Takashi Iwai | 08d1e63 | 2009-10-02 14:06:08 +0200 | [diff] [blame] | 1231 | static size_t append_ctl_name(struct snd_kcontrol *kctl, const char *str) |
| 1232 | { |
| 1233 | return strlcat(kctl->id.name, str, sizeof(kctl->id.name)); |
| 1234 | } |
| 1235 | |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1236 | /* |
| 1237 | * A lot of headsets/headphones have a "Speaker" mixer. Make sure we |
| 1238 | * rename it to "Headphone". We determine if something is a headphone |
| 1239 | * similar to how udev determines form factor. |
| 1240 | */ |
David Henningsson | 9b4ef97 | 2012-11-23 13:48:55 +0100 | [diff] [blame] | 1241 | static void check_no_speaker_on_headset(struct snd_kcontrol *kctl, |
| 1242 | struct snd_card *card) |
| 1243 | { |
| 1244 | const char *names_to_check[] = { |
| 1245 | "Headset", "headset", "Headphone", "headphone", NULL}; |
| 1246 | const char **s; |
Peter Senna Tschudin | e0f17c7 | 2013-09-22 20:44:12 +0200 | [diff] [blame] | 1247 | bool found = false; |
David Henningsson | 9b4ef97 | 2012-11-23 13:48:55 +0100 | [diff] [blame] | 1248 | |
| 1249 | if (strcmp("Speaker", kctl->id.name)) |
| 1250 | return; |
| 1251 | |
| 1252 | for (s = names_to_check; *s; s++) |
| 1253 | if (strstr(card->shortname, *s)) { |
Peter Senna Tschudin | e0f17c7 | 2013-09-22 20:44:12 +0200 | [diff] [blame] | 1254 | found = true; |
David Henningsson | 9b4ef97 | 2012-11-23 13:48:55 +0100 | [diff] [blame] | 1255 | break; |
| 1256 | } |
| 1257 | |
| 1258 | if (!found) |
| 1259 | return; |
| 1260 | |
| 1261 | strlcpy(kctl->id.name, "Headphone", sizeof(kctl->id.name)); |
| 1262 | } |
| 1263 | |
Daniel Mack | 99fc864 | 2010-03-11 21:13:24 +0100 | [diff] [blame] | 1264 | static void build_feature_ctl(struct mixer_build *state, void *raw_desc, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1265 | unsigned int ctl_mask, int control, |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 1266 | struct usb_audio_term *iterm, int unitid, |
Daniel Mack | a6a3325 | 2010-05-31 13:35:37 +0200 | [diff] [blame] | 1267 | int readonly_mask) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1268 | { |
Daniel Mack | 99fc864 | 2010-03-11 21:13:24 +0100 | [diff] [blame] | 1269 | struct uac_feature_unit_descriptor *desc = raw_desc; |
Julian Scheel | bc18e31 | 2015-08-14 16:14:45 +0200 | [diff] [blame] | 1270 | struct usb_feature_control_info *ctl_info; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1271 | unsigned int len = 0; |
| 1272 | int mapped_name = 0; |
Daniel Mack | 99fc864 | 2010-03-11 21:13:24 +0100 | [diff] [blame] | 1273 | int nameid = uac_feature_unit_iFeature(desc); |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 1274 | struct snd_kcontrol *kctl; |
| 1275 | struct usb_mixer_elem_info *cval; |
Jaroslav Kysela | c3a3e04 | 2010-02-11 17:50:44 +0100 | [diff] [blame] | 1276 | const struct usbmix_name_map *map; |
Alexey Fisher | 80aceff | 2011-03-10 14:53:38 +0100 | [diff] [blame] | 1277 | unsigned int range; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1278 | |
| 1279 | control++; /* change from zero-based to 1-based value */ |
| 1280 | |
Daniel Mack | 65f25da | 2010-05-31 13:35:41 +0200 | [diff] [blame] | 1281 | if (control == UAC_FU_GRAPHIC_EQUALIZER) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1282 | /* FIXME: not supported yet */ |
| 1283 | return; |
| 1284 | } |
| 1285 | |
Jaroslav Kysela | c3a3e04 | 2010-02-11 17:50:44 +0100 | [diff] [blame] | 1286 | map = find_map(state, unitid, control); |
| 1287 | if (check_ignored_ctl(map)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1288 | return; |
| 1289 | |
Takashi Iwai | 561b220 | 2005-09-09 14:22:34 +0200 | [diff] [blame] | 1290 | cval = kzalloc(sizeof(*cval), GFP_KERNEL); |
Daniel Mack | a860d95 | 2014-05-24 10:58:17 +0200 | [diff] [blame] | 1291 | if (!cval) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1292 | return; |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 1293 | snd_usb_mixer_elem_init_std(&cval->head, state->mixer, unitid); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1294 | cval->control = control; |
| 1295 | cval->cmask = ctl_mask; |
Julian Scheel | bc18e31 | 2015-08-14 16:14:45 +0200 | [diff] [blame] | 1296 | ctl_info = &audio_feature_info[control-1]; |
| 1297 | if (state->mixer->protocol == UAC_VERSION_1) |
| 1298 | cval->val_type = ctl_info->type; |
| 1299 | else /* UAC_VERSION_2 */ |
| 1300 | cval->val_type = ctl_info->type_uac2 >= 0 ? |
| 1301 | ctl_info->type_uac2 : ctl_info->type; |
| 1302 | |
Daniel Mack | a6a3325 | 2010-05-31 13:35:37 +0200 | [diff] [blame] | 1303 | if (ctl_mask == 0) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1304 | cval->channels = 1; /* master channel */ |
Daniel Mack | a6a3325 | 2010-05-31 13:35:37 +0200 | [diff] [blame] | 1305 | cval->master_readonly = readonly_mask; |
| 1306 | } else { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1307 | int i, c = 0; |
| 1308 | for (i = 0; i < 16; i++) |
| 1309 | if (ctl_mask & (1 << i)) |
| 1310 | c++; |
| 1311 | cval->channels = c; |
Daniel Mack | a6a3325 | 2010-05-31 13:35:37 +0200 | [diff] [blame] | 1312 | cval->ch_readonly = readonly_mask; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1313 | } |
| 1314 | |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1315 | /* |
| 1316 | * If all channels in the mask are marked read-only, make the control |
Chris J Arges | eef9045 | 2014-11-12 12:07:01 -0600 | [diff] [blame] | 1317 | * read-only. snd_usb_set_cur_mix_value() will check the mask again and won't |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1318 | * issue write commands to read-only channels. |
| 1319 | */ |
Daniel Mack | a6a3325 | 2010-05-31 13:35:37 +0200 | [diff] [blame] | 1320 | if (cval->channels == readonly_mask) |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 1321 | kctl = snd_ctl_new1(&usb_feature_unit_ctl_ro, cval); |
| 1322 | else |
| 1323 | kctl = snd_ctl_new1(&usb_feature_unit_ctl, cval); |
| 1324 | |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1325 | if (!kctl) { |
Takashi Iwai | 0ba41d9 | 2014-02-26 13:02:17 +0100 | [diff] [blame] | 1326 | usb_audio_err(state->chip, "cannot malloc kcontrol\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1327 | kfree(cval); |
| 1328 | return; |
| 1329 | } |
Chris J Arges | eef9045 | 2014-11-12 12:07:01 -0600 | [diff] [blame] | 1330 | kctl->private_free = snd_usb_mixer_elem_free; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1331 | |
Jaroslav Kysela | c3a3e04 | 2010-02-11 17:50:44 +0100 | [diff] [blame] | 1332 | len = check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1333 | mapped_name = len != 0; |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1334 | if (!len && nameid) |
Jaroslav Kysela | c3a3e04 | 2010-02-11 17:50:44 +0100 | [diff] [blame] | 1335 | len = snd_usb_copy_string_desc(state, nameid, |
| 1336 | kctl->id.name, sizeof(kctl->id.name)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1337 | |
| 1338 | switch (control) { |
Daniel Mack | 65f25da | 2010-05-31 13:35:41 +0200 | [diff] [blame] | 1339 | case UAC_FU_MUTE: |
| 1340 | case UAC_FU_VOLUME: |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1341 | /* |
| 1342 | * determine the control name. the rule is: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1343 | * - if a name id is given in descriptor, use it. |
| 1344 | * - if the connected input can be determined, then use the name |
| 1345 | * of terminal type. |
| 1346 | * - if the connected output can be determined, use it. |
| 1347 | * - otherwise, anonymous name. |
| 1348 | */ |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1349 | if (!len) { |
| 1350 | len = get_term_name(state, iterm, kctl->id.name, |
| 1351 | sizeof(kctl->id.name), 1); |
| 1352 | if (!len) |
| 1353 | len = get_term_name(state, &state->oterm, |
| 1354 | kctl->id.name, |
| 1355 | sizeof(kctl->id.name), 1); |
| 1356 | if (!len) |
Daniel Mack | 49fd46d | 2014-10-19 09:11:25 +0200 | [diff] [blame] | 1357 | snprintf(kctl->id.name, sizeof(kctl->id.name), |
| 1358 | "Feature %d", unitid); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1359 | } |
David Henningsson | 9b4ef97 | 2012-11-23 13:48:55 +0100 | [diff] [blame] | 1360 | |
| 1361 | if (!mapped_name) |
| 1362 | check_no_speaker_on_headset(kctl, state->mixer->chip->card); |
| 1363 | |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1364 | /* |
| 1365 | * determine the stream direction: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1366 | * if the connected output is USB stream, then it's likely a |
| 1367 | * capture stream. otherwise it should be playback (hopefully :) |
| 1368 | */ |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1369 | if (!mapped_name && !(state->oterm.type >> 16)) { |
| 1370 | if ((state->oterm.type & 0xff00) == 0x0100) |
Daniel Mack | 49fd46d | 2014-10-19 09:11:25 +0200 | [diff] [blame] | 1371 | append_ctl_name(kctl, " Capture"); |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1372 | else |
Daniel Mack | 49fd46d | 2014-10-19 09:11:25 +0200 | [diff] [blame] | 1373 | append_ctl_name(kctl, " Playback"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1374 | } |
Daniel Mack | 65f25da | 2010-05-31 13:35:41 +0200 | [diff] [blame] | 1375 | append_ctl_name(kctl, control == UAC_FU_MUTE ? |
Takashi Iwai | 08d1e63 | 2009-10-02 14:06:08 +0200 | [diff] [blame] | 1376 | " Switch" : " Volume"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1377 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1378 | default: |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1379 | if (!len) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1380 | strlcpy(kctl->id.name, audio_feature_info[control-1].name, |
| 1381 | sizeof(kctl->id.name)); |
| 1382 | break; |
| 1383 | } |
| 1384 | |
Takashi Iwai | e182534 | 2012-05-14 17:11:06 +0200 | [diff] [blame] | 1385 | /* get min/max values */ |
| 1386 | get_min_max_with_quirks(cval, 0, kctl); |
| 1387 | |
| 1388 | if (control == UAC_FU_VOLUME) { |
| 1389 | check_mapped_dB(map, cval); |
| 1390 | if (cval->dBmin < cval->dBmax || !cval->initialized) { |
| 1391 | kctl->tlv.c = snd_usb_mixer_vol_tlv; |
| 1392 | kctl->vd[0].access |= |
| 1393 | SNDRV_CTL_ELEM_ACCESS_TLV_READ | |
| 1394 | SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK; |
| 1395 | } |
| 1396 | } |
| 1397 | |
Anssi Hannula | 42e3121 | 2015-12-13 20:49:58 +0200 | [diff] [blame] | 1398 | snd_usb_mixer_fu_apply_quirk(state->mixer, cval, unitid, kctl); |
| 1399 | |
Alexey Fisher | 80aceff | 2011-03-10 14:53:38 +0100 | [diff] [blame] | 1400 | range = (cval->max - cval->min) / cval->res; |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1401 | /* |
| 1402 | * Are there devices with volume range more than 255? I use a bit more |
Alexey Fisher | 80aceff | 2011-03-10 14:53:38 +0100 | [diff] [blame] | 1403 | * to be sure. 384 is a resolution magic number found on Logitech |
| 1404 | * devices. It will definitively catch all buggy Logitech devices. |
| 1405 | */ |
| 1406 | if (range > 384) { |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1407 | usb_audio_warn(state->chip, |
Michał Mirosław | 82c1cf0 | 2014-08-03 15:09:57 +0200 | [diff] [blame] | 1408 | "Warning! Unlikely big volume range (=%u), cval->res is probably wrong.", |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1409 | range); |
Michał Mirosław | 82c1cf0 | 2014-08-03 15:09:57 +0200 | [diff] [blame] | 1410 | usb_audio_warn(state->chip, |
| 1411 | "[%d] FU [%s] ch = %d, val = %d/%d/%d", |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 1412 | cval->head.id, kctl->id.name, cval->channels, |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1413 | cval->min, cval->max, cval->res); |
Alexey Fisher | 80aceff | 2011-03-10 14:53:38 +0100 | [diff] [blame] | 1414 | } |
| 1415 | |
Takashi Iwai | 0ba41d9 | 2014-02-26 13:02:17 +0100 | [diff] [blame] | 1416 | usb_audio_dbg(state->chip, "[%d] FU [%s] ch = %d, val = %d/%d/%d\n", |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 1417 | cval->head.id, kctl->id.name, cval->channels, |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1418 | cval->min, cval->max, cval->res); |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 1419 | snd_usb_mixer_add_control(&cval->head, kctl); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1420 | } |
| 1421 | |
Daniel Mack | cddaafb | 2016-04-09 11:21:46 +0200 | [diff] [blame] | 1422 | static int parse_clock_source_unit(struct mixer_build *state, int unitid, |
| 1423 | void *_ftr) |
| 1424 | { |
| 1425 | struct uac_clock_source_descriptor *hdr = _ftr; |
| 1426 | struct usb_mixer_elem_info *cval; |
| 1427 | struct snd_kcontrol *kctl; |
| 1428 | char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; |
| 1429 | int ret; |
| 1430 | |
| 1431 | if (state->mixer->protocol != UAC_VERSION_2) |
| 1432 | return -EINVAL; |
| 1433 | |
| 1434 | if (hdr->bLength != sizeof(*hdr)) { |
| 1435 | usb_audio_dbg(state->chip, |
| 1436 | "Bogus clock source descriptor length of %d, ignoring.\n", |
| 1437 | hdr->bLength); |
| 1438 | return 0; |
| 1439 | } |
| 1440 | |
| 1441 | /* |
| 1442 | * The only property of this unit we are interested in is the |
| 1443 | * clock source validity. If that isn't readable, just bail out. |
| 1444 | */ |
| 1445 | if (!uac2_control_is_readable(hdr->bmControls, |
| 1446 | ilog2(UAC2_CS_CONTROL_CLOCK_VALID))) |
| 1447 | return 0; |
| 1448 | |
| 1449 | cval = kzalloc(sizeof(*cval), GFP_KERNEL); |
| 1450 | if (!cval) |
| 1451 | return -ENOMEM; |
| 1452 | |
| 1453 | snd_usb_mixer_elem_init_std(&cval->head, state->mixer, hdr->bClockID); |
| 1454 | |
| 1455 | cval->min = 0; |
| 1456 | cval->max = 1; |
| 1457 | cval->channels = 1; |
| 1458 | cval->val_type = USB_MIXER_BOOLEAN; |
| 1459 | cval->control = UAC2_CS_CONTROL_CLOCK_VALID; |
| 1460 | |
| 1461 | if (uac2_control_is_writeable(hdr->bmControls, |
| 1462 | ilog2(UAC2_CS_CONTROL_CLOCK_VALID))) |
| 1463 | kctl = snd_ctl_new1(&usb_feature_unit_ctl, cval); |
| 1464 | else { |
| 1465 | cval->master_readonly = 1; |
| 1466 | kctl = snd_ctl_new1(&usb_feature_unit_ctl_ro, cval); |
| 1467 | } |
| 1468 | |
| 1469 | if (!kctl) { |
| 1470 | kfree(cval); |
| 1471 | return -ENOMEM; |
| 1472 | } |
| 1473 | |
| 1474 | kctl->private_free = snd_usb_mixer_elem_free; |
| 1475 | ret = snd_usb_copy_string_desc(state, hdr->iClockSource, |
| 1476 | name, sizeof(name)); |
| 1477 | if (ret > 0) |
| 1478 | snprintf(kctl->id.name, sizeof(kctl->id.name), |
| 1479 | "%s Validity", name); |
| 1480 | else |
| 1481 | snprintf(kctl->id.name, sizeof(kctl->id.name), |
| 1482 | "Clock Source %d Validity", hdr->bClockID); |
| 1483 | |
| 1484 | return snd_usb_mixer_add_control(&cval->head, kctl); |
| 1485 | } |
| 1486 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1487 | /* |
| 1488 | * parse a feature unit |
| 1489 | * |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 1490 | * most of controls are defined here. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1491 | */ |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1492 | static int parse_audio_feature_unit(struct mixer_build *state, int unitid, |
| 1493 | void *_ftr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1494 | { |
| 1495 | int channels, i, j; |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 1496 | struct usb_audio_term iterm; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1497 | unsigned int master_bits, first_ch_bits; |
| 1498 | int err, csize; |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 1499 | struct uac_feature_unit_descriptor *hdr = _ftr; |
| 1500 | __u8 *bmaControls; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1501 | |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 1502 | if (state->mixer->protocol == UAC_VERSION_1) { |
Takashi Iwai | 85cc020 | 2017-11-21 16:55:51 +0100 | [diff] [blame] | 1503 | if (hdr->bLength < 7) { |
| 1504 | usb_audio_err(state->chip, |
| 1505 | "unit %u: invalid UAC_FEATURE_UNIT descriptor\n", |
| 1506 | unitid); |
| 1507 | return -EINVAL; |
| 1508 | } |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 1509 | csize = hdr->bControlSize; |
Nicolai Krakowiak | 60c961a9 | 2011-08-04 15:56:27 +0200 | [diff] [blame] | 1510 | if (!csize) { |
Takashi Iwai | 0ba41d9 | 2014-02-26 13:02:17 +0100 | [diff] [blame] | 1511 | usb_audio_dbg(state->chip, |
| 1512 | "unit %u: invalid bControlSize == 0\n", |
| 1513 | unitid); |
Nicolai Krakowiak | 60c961a9 | 2011-08-04 15:56:27 +0200 | [diff] [blame] | 1514 | return -EINVAL; |
| 1515 | } |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 1516 | channels = (hdr->bLength - 7) / csize - 1; |
| 1517 | bmaControls = hdr->bmaControls; |
Clemens Ladisch | d56268f | 2012-11-29 17:04:23 +0100 | [diff] [blame] | 1518 | if (hdr->bLength < 7 + csize) { |
Takashi Iwai | 0ba41d9 | 2014-02-26 13:02:17 +0100 | [diff] [blame] | 1519 | usb_audio_err(state->chip, |
| 1520 | "unit %u: invalid UAC_FEATURE_UNIT descriptor\n", |
| 1521 | unitid); |
Clemens Ladisch | d56268f | 2012-11-29 17:04:23 +0100 | [diff] [blame] | 1522 | return -EINVAL; |
| 1523 | } |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 1524 | } else { |
| 1525 | struct uac2_feature_unit_descriptor *ftr = _ftr; |
Takashi Iwai | 85cc020 | 2017-11-21 16:55:51 +0100 | [diff] [blame] | 1526 | if (hdr->bLength < 6) { |
| 1527 | usb_audio_err(state->chip, |
| 1528 | "unit %u: invalid UAC_FEATURE_UNIT descriptor\n", |
| 1529 | unitid); |
| 1530 | return -EINVAL; |
| 1531 | } |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 1532 | csize = 4; |
Daniel Mack | e8d0fee | 2010-05-27 20:15:14 +0200 | [diff] [blame] | 1533 | channels = (hdr->bLength - 6) / 4 - 1; |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 1534 | bmaControls = ftr->bmaControls; |
Clemens Ladisch | d56268f | 2012-11-29 17:04:23 +0100 | [diff] [blame] | 1535 | if (hdr->bLength < 6 + csize) { |
Takashi Iwai | 0ba41d9 | 2014-02-26 13:02:17 +0100 | [diff] [blame] | 1536 | usb_audio_err(state->chip, |
| 1537 | "unit %u: invalid UAC_FEATURE_UNIT descriptor\n", |
| 1538 | unitid); |
Clemens Ladisch | d56268f | 2012-11-29 17:04:23 +0100 | [diff] [blame] | 1539 | return -EINVAL; |
| 1540 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1541 | } |
| 1542 | |
| 1543 | /* parse the source unit */ |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 1544 | if ((err = parse_audio_unit(state, hdr->bSourceID)) < 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1545 | return err; |
| 1546 | |
| 1547 | /* determine the input source type and name */ |
Daniel Mack | 4d7b86c | 2013-03-19 21:09:24 +0100 | [diff] [blame] | 1548 | err = check_input_term(state, hdr->bSourceID, &iterm); |
| 1549 | if (err < 0) |
| 1550 | return err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1551 | |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 1552 | master_bits = snd_usb_combine_bytes(bmaControls, csize); |
Javier Kohen | 0c3cee5 | 2009-11-17 15:36:13 +0100 | [diff] [blame] | 1553 | /* master configuration quirks */ |
| 1554 | switch (state->chip->usb_id) { |
| 1555 | case USB_ID(0x08bb, 0x2702): |
Takashi Iwai | 0ba41d9 | 2014-02-26 13:02:17 +0100 | [diff] [blame] | 1556 | usb_audio_info(state->chip, |
| 1557 | "usbmixer: master volume quirk for PCM2702 chip\n"); |
Javier Kohen | 0c3cee5 | 2009-11-17 15:36:13 +0100 | [diff] [blame] | 1558 | /* disable non-functional volume control */ |
Daniel Mack | 65f25da | 2010-05-31 13:35:41 +0200 | [diff] [blame] | 1559 | master_bits &= ~UAC_CONTROL_BIT(UAC_FU_VOLUME); |
Javier Kohen | 0c3cee5 | 2009-11-17 15:36:13 +0100 | [diff] [blame] | 1560 | break; |
David Henningsson | c105143 | 2012-09-20 10:20:41 +0200 | [diff] [blame] | 1561 | case USB_ID(0x1130, 0xf211): |
Takashi Iwai | 0ba41d9 | 2014-02-26 13:02:17 +0100 | [diff] [blame] | 1562 | usb_audio_info(state->chip, |
| 1563 | "usbmixer: volume control quirk for Tenx TP6911 Audio Headset\n"); |
David Henningsson | c105143 | 2012-09-20 10:20:41 +0200 | [diff] [blame] | 1564 | /* disable non-functional volume control */ |
| 1565 | channels = 0; |
| 1566 | break; |
| 1567 | |
Javier Kohen | 0c3cee5 | 2009-11-17 15:36:13 +0100 | [diff] [blame] | 1568 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1569 | if (channels > 0) |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 1570 | first_ch_bits = snd_usb_combine_bytes(bmaControls + csize, csize); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1571 | else |
| 1572 | first_ch_bits = 0; |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 1573 | |
| 1574 | if (state->mixer->protocol == UAC_VERSION_1) { |
| 1575 | /* check all control types */ |
| 1576 | for (i = 0; i < 10; i++) { |
| 1577 | unsigned int ch_bits = 0; |
| 1578 | for (j = 0; j < channels; j++) { |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1579 | unsigned int mask; |
| 1580 | |
| 1581 | mask = snd_usb_combine_bytes(bmaControls + |
| 1582 | csize * (j+1), csize); |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 1583 | if (mask & (1 << i)) |
| 1584 | ch_bits |= (1 << j); |
| 1585 | } |
| 1586 | /* audio class v1 controls are never read-only */ |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1587 | |
| 1588 | /* |
| 1589 | * The first channel must be set |
| 1590 | * (for ease of programming). |
| 1591 | */ |
| 1592 | if (ch_bits & 1) |
| 1593 | build_feature_ctl(state, _ftr, ch_bits, i, |
| 1594 | &iterm, unitid, 0); |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 1595 | if (master_bits & (1 << i)) |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1596 | build_feature_ctl(state, _ftr, 0, i, &iterm, |
| 1597 | unitid, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1598 | } |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 1599 | } else { /* UAC_VERSION_2 */ |
Takashi Iwai | d09c06c | 2011-10-13 08:19:09 +0200 | [diff] [blame] | 1600 | for (i = 0; i < ARRAY_SIZE(audio_feature_info); i++) { |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 1601 | unsigned int ch_bits = 0; |
| 1602 | unsigned int ch_read_only = 0; |
| 1603 | |
| 1604 | for (j = 0; j < channels; j++) { |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1605 | unsigned int mask; |
| 1606 | |
| 1607 | mask = snd_usb_combine_bytes(bmaControls + |
| 1608 | csize * (j+1), csize); |
Daniel Mack | dcbe7bc | 2010-05-31 13:35:36 +0200 | [diff] [blame] | 1609 | if (uac2_control_is_readable(mask, i)) { |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 1610 | ch_bits |= (1 << j); |
Daniel Mack | dcbe7bc | 2010-05-31 13:35:36 +0200 | [diff] [blame] | 1611 | if (!uac2_control_is_writeable(mask, i)) |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 1612 | ch_read_only |= (1 << j); |
| 1613 | } |
| 1614 | } |
| 1615 | |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1616 | /* |
| 1617 | * NOTE: build_feature_ctl() will mark the control |
| 1618 | * read-only if all channels are marked read-only in |
| 1619 | * the descriptors. Otherwise, the control will be |
| 1620 | * reported as writeable, but the driver will not |
| 1621 | * actually issue a write command for read-only |
| 1622 | * channels. |
| 1623 | */ |
| 1624 | |
| 1625 | /* |
| 1626 | * The first channel must be set |
| 1627 | * (for ease of programming). |
| 1628 | */ |
| 1629 | if (ch_bits & 1) |
| 1630 | build_feature_ctl(state, _ftr, ch_bits, i, |
| 1631 | &iterm, unitid, ch_read_only); |
Daniel Mack | dcbe7bc | 2010-05-31 13:35:36 +0200 | [diff] [blame] | 1632 | if (uac2_control_is_readable(master_bits, i)) |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 1633 | build_feature_ctl(state, _ftr, 0, i, &iterm, unitid, |
Daniel Mack | dcbe7bc | 2010-05-31 13:35:36 +0200 | [diff] [blame] | 1634 | !uac2_control_is_writeable(master_bits, i)); |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 1635 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1636 | } |
| 1637 | |
| 1638 | return 0; |
| 1639 | } |
| 1640 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1641 | /* |
| 1642 | * Mixer Unit |
| 1643 | */ |
| 1644 | |
| 1645 | /* |
| 1646 | * build a mixer unit control |
| 1647 | * |
| 1648 | * the callbacks are identical with feature unit. |
| 1649 | * input channel number (zero based) is given in control field instead. |
| 1650 | */ |
Daniel Mack | 99fc864 | 2010-03-11 21:13:24 +0100 | [diff] [blame] | 1651 | static void build_mixer_unit_ctl(struct mixer_build *state, |
| 1652 | struct uac_mixer_unit_descriptor *desc, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1653 | int in_pin, int in_ch, int unitid, |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 1654 | struct usb_audio_term *iterm) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1655 | { |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 1656 | struct usb_mixer_elem_info *cval; |
Daniel Mack | 99fc864 | 2010-03-11 21:13:24 +0100 | [diff] [blame] | 1657 | unsigned int num_outs = uac_mixer_unit_bNrChannels(desc); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1658 | unsigned int i, len; |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 1659 | struct snd_kcontrol *kctl; |
Jaroslav Kysela | c3a3e04 | 2010-02-11 17:50:44 +0100 | [diff] [blame] | 1660 | const struct usbmix_name_map *map; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1661 | |
Jaroslav Kysela | c3a3e04 | 2010-02-11 17:50:44 +0100 | [diff] [blame] | 1662 | map = find_map(state, unitid, 0); |
| 1663 | if (check_ignored_ctl(map)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1664 | return; |
| 1665 | |
Takashi Iwai | 561b220 | 2005-09-09 14:22:34 +0200 | [diff] [blame] | 1666 | cval = kzalloc(sizeof(*cval), GFP_KERNEL); |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1667 | if (!cval) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1668 | return; |
| 1669 | |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 1670 | snd_usb_mixer_elem_init_std(&cval->head, state->mixer, unitid); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1671 | cval->control = in_ch + 1; /* based on 1 */ |
| 1672 | cval->val_type = USB_MIXER_S16; |
| 1673 | for (i = 0; i < num_outs; i++) { |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1674 | __u8 *c = uac_mixer_unit_bmControls(desc, state->mixer->protocol); |
| 1675 | |
| 1676 | if (check_matrix_bitmap(c, in_ch, i, num_outs)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1677 | cval->cmask |= (1 << i); |
| 1678 | cval->channels++; |
| 1679 | } |
| 1680 | } |
| 1681 | |
| 1682 | /* get min/max values */ |
| 1683 | get_min_max(cval, 0); |
| 1684 | |
| 1685 | kctl = snd_ctl_new1(&usb_feature_unit_ctl, cval); |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1686 | if (!kctl) { |
Takashi Iwai | 0ba41d9 | 2014-02-26 13:02:17 +0100 | [diff] [blame] | 1687 | usb_audio_err(state->chip, "cannot malloc kcontrol\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1688 | kfree(cval); |
| 1689 | return; |
| 1690 | } |
Chris J Arges | eef9045 | 2014-11-12 12:07:01 -0600 | [diff] [blame] | 1691 | kctl->private_free = snd_usb_mixer_elem_free; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1692 | |
Jaroslav Kysela | c3a3e04 | 2010-02-11 17:50:44 +0100 | [diff] [blame] | 1693 | len = check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name)); |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1694 | if (!len) |
| 1695 | len = get_term_name(state, iterm, kctl->id.name, |
| 1696 | sizeof(kctl->id.name), 0); |
| 1697 | if (!len) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1698 | len = sprintf(kctl->id.name, "Mixer Source %d", in_ch + 1); |
Takashi Iwai | 08d1e63 | 2009-10-02 14:06:08 +0200 | [diff] [blame] | 1699 | append_ctl_name(kctl, " Volume"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1700 | |
Takashi Iwai | 0ba41d9 | 2014-02-26 13:02:17 +0100 | [diff] [blame] | 1701 | usb_audio_dbg(state->chip, "[%d] MU [%s] ch = %d, val = %d/%d\n", |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 1702 | cval->head.id, kctl->id.name, cval->channels, cval->min, cval->max); |
| 1703 | snd_usb_mixer_add_control(&cval->head, kctl); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1704 | } |
| 1705 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1706 | /* |
| 1707 | * parse a mixer unit |
| 1708 | */ |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1709 | static int parse_audio_mixer_unit(struct mixer_build *state, int unitid, |
| 1710 | void *raw_desc) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1711 | { |
Daniel Mack | 99fc864 | 2010-03-11 21:13:24 +0100 | [diff] [blame] | 1712 | struct uac_mixer_unit_descriptor *desc = raw_desc; |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 1713 | struct usb_audio_term iterm; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1714 | int input_pins, num_ins, num_outs; |
| 1715 | int pin, ich, err; |
| 1716 | |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1717 | if (desc->bLength < 11 || !(input_pins = desc->bNrInPins) || |
Hui Peng | 53856af7 | 2019-08-13 22:34:04 -0400 | [diff] [blame] | 1718 | desc->bLength < sizeof(*desc) + desc->bNrInPins || |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1719 | !(num_outs = uac_mixer_unit_bNrChannels(desc))) { |
| 1720 | usb_audio_err(state->chip, |
| 1721 | "invalid MIXER UNIT descriptor %d\n", |
| 1722 | unitid); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1723 | return -EINVAL; |
| 1724 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1725 | |
| 1726 | num_ins = 0; |
| 1727 | ich = 0; |
| 1728 | for (pin = 0; pin < input_pins; pin++) { |
Daniel Mack | 99fc864 | 2010-03-11 21:13:24 +0100 | [diff] [blame] | 1729 | err = parse_audio_unit(state, desc->baSourceID[pin]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1730 | if (err < 0) |
Mark Hills | 284a8dd | 2012-04-14 17:19:23 +0100 | [diff] [blame] | 1731 | continue; |
Clemens Ladisch | ea114fc | 2015-06-03 11:36:51 +0200 | [diff] [blame] | 1732 | /* no bmControls field (e.g. Maya44) -> ignore */ |
| 1733 | if (desc->bLength <= 10 + input_pins) |
| 1734 | continue; |
Daniel Mack | 99fc864 | 2010-03-11 21:13:24 +0100 | [diff] [blame] | 1735 | err = check_input_term(state, desc->baSourceID[pin], &iterm); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1736 | if (err < 0) |
| 1737 | return err; |
| 1738 | num_ins += iterm.channels; |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1739 | for (; ich < num_ins; ich++) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1740 | int och, ich_has_controls = 0; |
| 1741 | |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1742 | for (och = 0; och < num_outs; och++) { |
| 1743 | __u8 *c = uac_mixer_unit_bmControls(desc, |
| 1744 | state->mixer->protocol); |
| 1745 | |
| 1746 | if (check_matrix_bitmap(c, ich, och, num_outs)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1747 | ich_has_controls = 1; |
| 1748 | break; |
| 1749 | } |
| 1750 | } |
| 1751 | if (ich_has_controls) |
| 1752 | build_mixer_unit_ctl(state, desc, pin, ich, |
| 1753 | unitid, &iterm); |
| 1754 | } |
| 1755 | } |
| 1756 | return 0; |
| 1757 | } |
| 1758 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1759 | /* |
| 1760 | * Processing Unit / Extension Unit |
| 1761 | */ |
| 1762 | |
| 1763 | /* get callback for processing/extension unit */ |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1764 | static int mixer_ctl_procunit_get(struct snd_kcontrol *kcontrol, |
| 1765 | struct snd_ctl_elem_value *ucontrol) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1766 | { |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 1767 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1768 | int err, val; |
| 1769 | |
| 1770 | err = get_cur_ctl_value(cval, cval->control << 8, &val); |
Takashi Iwai | 5aeee34 | 2014-11-18 11:02:14 +0100 | [diff] [blame] | 1771 | if (err < 0) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1772 | ucontrol->value.integer.value[0] = cval->min; |
Takashi Iwai | 5aeee34 | 2014-11-18 11:02:14 +0100 | [diff] [blame] | 1773 | return filter_error(cval, err); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1774 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1775 | val = get_relative_value(cval, val); |
| 1776 | ucontrol->value.integer.value[0] = val; |
| 1777 | return 0; |
| 1778 | } |
| 1779 | |
| 1780 | /* put callback for processing/extension unit */ |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1781 | static int mixer_ctl_procunit_put(struct snd_kcontrol *kcontrol, |
| 1782 | struct snd_ctl_elem_value *ucontrol) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1783 | { |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 1784 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1785 | int val, oval, err; |
| 1786 | |
| 1787 | err = get_cur_ctl_value(cval, cval->control << 8, &oval); |
Takashi Iwai | 5aeee34 | 2014-11-18 11:02:14 +0100 | [diff] [blame] | 1788 | if (err < 0) |
| 1789 | return filter_error(cval, err); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1790 | val = ucontrol->value.integer.value[0]; |
| 1791 | val = get_abs_value(cval, val); |
| 1792 | if (val != oval) { |
| 1793 | set_cur_ctl_value(cval, cval->control << 8, val); |
| 1794 | return 1; |
| 1795 | } |
| 1796 | return 0; |
| 1797 | } |
| 1798 | |
| 1799 | /* alsa control interface for processing/extension unit */ |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 1800 | static struct snd_kcontrol_new mixer_procunit_ctl = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1801 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| 1802 | .name = "", /* will be filled later */ |
| 1803 | .info = mixer_ctl_feature_info, |
| 1804 | .get = mixer_ctl_procunit_get, |
| 1805 | .put = mixer_ctl_procunit_put, |
| 1806 | }; |
| 1807 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1808 | /* |
| 1809 | * predefined data for processing units |
| 1810 | */ |
| 1811 | struct procunit_value_info { |
| 1812 | int control; |
| 1813 | char *suffix; |
| 1814 | int val_type; |
| 1815 | int min_value; |
| 1816 | }; |
| 1817 | |
| 1818 | struct procunit_info { |
| 1819 | int type; |
| 1820 | char *name; |
| 1821 | struct procunit_value_info *values; |
| 1822 | }; |
| 1823 | |
| 1824 | static struct procunit_value_info updown_proc_info[] = { |
Daniel Mack | 65f25da | 2010-05-31 13:35:41 +0200 | [diff] [blame] | 1825 | { UAC_UD_ENABLE, "Switch", USB_MIXER_BOOLEAN }, |
| 1826 | { UAC_UD_MODE_SELECT, "Mode Select", USB_MIXER_U8, 1 }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1827 | { 0 } |
| 1828 | }; |
| 1829 | static struct procunit_value_info prologic_proc_info[] = { |
Daniel Mack | 65f25da | 2010-05-31 13:35:41 +0200 | [diff] [blame] | 1830 | { UAC_DP_ENABLE, "Switch", USB_MIXER_BOOLEAN }, |
| 1831 | { UAC_DP_MODE_SELECT, "Mode Select", USB_MIXER_U8, 1 }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1832 | { 0 } |
| 1833 | }; |
| 1834 | static struct procunit_value_info threed_enh_proc_info[] = { |
Daniel Mack | 65f25da | 2010-05-31 13:35:41 +0200 | [diff] [blame] | 1835 | { UAC_3D_ENABLE, "Switch", USB_MIXER_BOOLEAN }, |
| 1836 | { UAC_3D_SPACE, "Spaciousness", USB_MIXER_U8 }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1837 | { 0 } |
| 1838 | }; |
| 1839 | static struct procunit_value_info reverb_proc_info[] = { |
Daniel Mack | 65f25da | 2010-05-31 13:35:41 +0200 | [diff] [blame] | 1840 | { UAC_REVERB_ENABLE, "Switch", USB_MIXER_BOOLEAN }, |
| 1841 | { UAC_REVERB_LEVEL, "Level", USB_MIXER_U8 }, |
| 1842 | { UAC_REVERB_TIME, "Time", USB_MIXER_U16 }, |
| 1843 | { UAC_REVERB_FEEDBACK, "Feedback", USB_MIXER_U8 }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1844 | { 0 } |
| 1845 | }; |
| 1846 | static struct procunit_value_info chorus_proc_info[] = { |
Daniel Mack | 65f25da | 2010-05-31 13:35:41 +0200 | [diff] [blame] | 1847 | { UAC_CHORUS_ENABLE, "Switch", USB_MIXER_BOOLEAN }, |
| 1848 | { UAC_CHORUS_LEVEL, "Level", USB_MIXER_U8 }, |
| 1849 | { UAC_CHORUS_RATE, "Rate", USB_MIXER_U16 }, |
| 1850 | { UAC_CHORUS_DEPTH, "Depth", USB_MIXER_U16 }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1851 | { 0 } |
| 1852 | }; |
| 1853 | static struct procunit_value_info dcr_proc_info[] = { |
Daniel Mack | 65f25da | 2010-05-31 13:35:41 +0200 | [diff] [blame] | 1854 | { UAC_DCR_ENABLE, "Switch", USB_MIXER_BOOLEAN }, |
| 1855 | { UAC_DCR_RATE, "Ratio", USB_MIXER_U16 }, |
| 1856 | { UAC_DCR_MAXAMPL, "Max Amp", USB_MIXER_S16 }, |
| 1857 | { UAC_DCR_THRESHOLD, "Threshold", USB_MIXER_S16 }, |
| 1858 | { UAC_DCR_ATTACK_TIME, "Attack Time", USB_MIXER_U16 }, |
| 1859 | { UAC_DCR_RELEASE_TIME, "Release Time", USB_MIXER_U16 }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1860 | { 0 } |
| 1861 | }; |
| 1862 | |
| 1863 | static struct procunit_info procunits[] = { |
Daniel Mack | 65f25da | 2010-05-31 13:35:41 +0200 | [diff] [blame] | 1864 | { UAC_PROCESS_UP_DOWNMIX, "Up Down", updown_proc_info }, |
| 1865 | { UAC_PROCESS_DOLBY_PROLOGIC, "Dolby Prologic", prologic_proc_info }, |
| 1866 | { UAC_PROCESS_STEREO_EXTENDER, "3D Stereo Extender", threed_enh_proc_info }, |
| 1867 | { UAC_PROCESS_REVERB, "Reverb", reverb_proc_info }, |
| 1868 | { UAC_PROCESS_CHORUS, "Chorus", chorus_proc_info }, |
| 1869 | { UAC_PROCESS_DYN_RANGE_COMP, "DCR", dcr_proc_info }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1870 | { 0 }, |
| 1871 | }; |
Sergiy Kovalchuk | 7d2b451 | 2009-12-27 09:13:41 -0800 | [diff] [blame] | 1872 | /* |
| 1873 | * predefined data for extension units |
| 1874 | */ |
| 1875 | static struct procunit_value_info clock_rate_xu_info[] = { |
Daniel Mack | e213e9c | 2010-05-11 18:13:50 +0200 | [diff] [blame] | 1876 | { USB_XU_CLOCK_RATE_SELECTOR, "Selector", USB_MIXER_U8, 0 }, |
| 1877 | { 0 } |
Sergiy Kovalchuk | 7d2b451 | 2009-12-27 09:13:41 -0800 | [diff] [blame] | 1878 | }; |
| 1879 | static struct procunit_value_info clock_source_xu_info[] = { |
| 1880 | { USB_XU_CLOCK_SOURCE_SELECTOR, "External", USB_MIXER_BOOLEAN }, |
| 1881 | { 0 } |
| 1882 | }; |
| 1883 | static struct procunit_value_info spdif_format_xu_info[] = { |
| 1884 | { USB_XU_DIGITAL_FORMAT_SELECTOR, "SPDIF/AC3", USB_MIXER_BOOLEAN }, |
| 1885 | { 0 } |
| 1886 | }; |
| 1887 | static struct procunit_value_info soft_limit_xu_info[] = { |
| 1888 | { USB_XU_SOFT_LIMIT_SELECTOR, " ", USB_MIXER_BOOLEAN }, |
| 1889 | { 0 } |
| 1890 | }; |
| 1891 | static struct procunit_info extunits[] = { |
| 1892 | { USB_XU_CLOCK_RATE, "Clock rate", clock_rate_xu_info }, |
| 1893 | { USB_XU_CLOCK_SOURCE, "DigitalIn CLK source", clock_source_xu_info }, |
| 1894 | { USB_XU_DIGITAL_IO_STATUS, "DigitalOut format:", spdif_format_xu_info }, |
| 1895 | { USB_XU_DEVICE_OPTIONS, "AnalogueIn Soft Limit", soft_limit_xu_info }, |
| 1896 | { 0 } |
| 1897 | }; |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1898 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1899 | /* |
| 1900 | * build a processing/extension unit |
| 1901 | */ |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1902 | static int build_audio_procunit(struct mixer_build *state, int unitid, |
| 1903 | void *raw_desc, struct procunit_info *list, |
| 1904 | char *name) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1905 | { |
Daniel Mack | 99fc864 | 2010-03-11 21:13:24 +0100 | [diff] [blame] | 1906 | struct uac_processing_unit_descriptor *desc = raw_desc; |
Takashi Iwai | beab6f3 | 2018-12-19 12:36:27 +0100 | [diff] [blame] | 1907 | int num_ins; |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 1908 | struct usb_mixer_elem_info *cval; |
| 1909 | struct snd_kcontrol *kctl; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1910 | int i, err, nameid, type, len; |
| 1911 | struct procunit_info *info; |
| 1912 | struct procunit_value_info *valinfo; |
Jaroslav Kysela | c3a3e04 | 2010-02-11 17:50:44 +0100 | [diff] [blame] | 1913 | const struct usbmix_name_map *map; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1914 | static struct procunit_value_info default_value_info[] = { |
| 1915 | { 0x01, "Switch", USB_MIXER_BOOLEAN }, |
| 1916 | { 0 } |
| 1917 | }; |
| 1918 | static struct procunit_info default_info = { |
| 1919 | 0, NULL, default_value_info |
| 1920 | }; |
| 1921 | |
Takashi Iwai | beab6f3 | 2018-12-19 12:36:27 +0100 | [diff] [blame] | 1922 | if (desc->bLength < 13) { |
| 1923 | usb_audio_err(state->chip, "invalid %s descriptor (id %d)\n", name, unitid); |
| 1924 | return -EINVAL; |
| 1925 | } |
| 1926 | |
| 1927 | num_ins = desc->bNrInPins; |
| 1928 | if (desc->bLength < 13 + num_ins || |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 1929 | desc->bLength < num_ins + uac_processing_unit_bControlSize(desc, state->mixer->protocol)) { |
Takashi Iwai | 0ba41d9 | 2014-02-26 13:02:17 +0100 | [diff] [blame] | 1930 | usb_audio_err(state->chip, "invalid %s descriptor (id %d)\n", name, unitid); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1931 | return -EINVAL; |
| 1932 | } |
| 1933 | |
| 1934 | for (i = 0; i < num_ins; i++) { |
Daniel Mack | 99fc864 | 2010-03-11 21:13:24 +0100 | [diff] [blame] | 1935 | if ((err = parse_audio_unit(state, desc->baSourceID[i])) < 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1936 | return err; |
| 1937 | } |
| 1938 | |
Daniel Mack | 99fc864 | 2010-03-11 21:13:24 +0100 | [diff] [blame] | 1939 | type = le16_to_cpu(desc->wProcessType); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1940 | for (info = list; info && info->type; info++) |
| 1941 | if (info->type == type) |
| 1942 | break; |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1943 | if (!info || !info->type) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1944 | info = &default_info; |
| 1945 | |
| 1946 | for (valinfo = info->values; valinfo->control; valinfo++) { |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 1947 | __u8 *controls = uac_processing_unit_bmControls(desc, state->mixer->protocol); |
Daniel Mack | 99fc864 | 2010-03-11 21:13:24 +0100 | [diff] [blame] | 1948 | |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1949 | if (!(controls[valinfo->control / 8] & (1 << ((valinfo->control % 8) - 1)))) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1950 | continue; |
Jaroslav Kysela | c3a3e04 | 2010-02-11 17:50:44 +0100 | [diff] [blame] | 1951 | map = find_map(state, unitid, valinfo->control); |
| 1952 | if (check_ignored_ctl(map)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1953 | continue; |
Takashi Iwai | 561b220 | 2005-09-09 14:22:34 +0200 | [diff] [blame] | 1954 | cval = kzalloc(sizeof(*cval), GFP_KERNEL); |
Daniel Mack | a860d95 | 2014-05-24 10:58:17 +0200 | [diff] [blame] | 1955 | if (!cval) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1956 | return -ENOMEM; |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 1957 | snd_usb_mixer_elem_init_std(&cval->head, state->mixer, unitid); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1958 | cval->control = valinfo->control; |
| 1959 | cval->val_type = valinfo->val_type; |
| 1960 | cval->channels = 1; |
| 1961 | |
| 1962 | /* get min/max values */ |
Daniel Mack | 65f25da | 2010-05-31 13:35:41 +0200 | [diff] [blame] | 1963 | if (type == UAC_PROCESS_UP_DOWNMIX && cval->control == UAC_UD_MODE_SELECT) { |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 1964 | __u8 *control_spec = uac_processing_unit_specific(desc, state->mixer->protocol); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1965 | /* FIXME: hard-coded */ |
| 1966 | cval->min = 1; |
Daniel Mack | 99fc864 | 2010-03-11 21:13:24 +0100 | [diff] [blame] | 1967 | cval->max = control_spec[0]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1968 | cval->res = 1; |
| 1969 | cval->initialized = 1; |
Sergiy Kovalchuk | 7d2b451 | 2009-12-27 09:13:41 -0800 | [diff] [blame] | 1970 | } else { |
| 1971 | if (type == USB_XU_CLOCK_RATE) { |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1972 | /* |
| 1973 | * E-Mu USB 0404/0202/TrackerPre/0204 |
Sergiy Kovalchuk | 7d2b451 | 2009-12-27 09:13:41 -0800 | [diff] [blame] | 1974 | * samplerate control quirk |
| 1975 | */ |
| 1976 | cval->min = 0; |
| 1977 | cval->max = 5; |
| 1978 | cval->res = 1; |
| 1979 | cval->initialized = 1; |
| 1980 | } else |
| 1981 | get_min_max(cval, valinfo->min_value); |
| 1982 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1983 | |
| 1984 | kctl = snd_ctl_new1(&mixer_procunit_ctl, cval); |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1985 | if (!kctl) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1986 | kfree(cval); |
| 1987 | return -ENOMEM; |
| 1988 | } |
Chris J Arges | eef9045 | 2014-11-12 12:07:01 -0600 | [diff] [blame] | 1989 | kctl->private_free = snd_usb_mixer_elem_free; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1990 | |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1991 | if (check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name))) { |
Jaroslav Kysela | c3a3e04 | 2010-02-11 17:50:44 +0100 | [diff] [blame] | 1992 | /* nothing */ ; |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1993 | } else if (info->name) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1994 | strlcpy(kctl->id.name, info->name, sizeof(kctl->id.name)); |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1995 | } else { |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 1996 | nameid = uac_processing_unit_iProcessing(desc, state->mixer->protocol); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1997 | len = 0; |
| 1998 | if (nameid) |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1999 | len = snd_usb_copy_string_desc(state, nameid, |
| 2000 | kctl->id.name, |
| 2001 | sizeof(kctl->id.name)); |
| 2002 | if (!len) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2003 | strlcpy(kctl->id.name, name, sizeof(kctl->id.name)); |
| 2004 | } |
Takashi Iwai | 08d1e63 | 2009-10-02 14:06:08 +0200 | [diff] [blame] | 2005 | append_ctl_name(kctl, " "); |
| 2006 | append_ctl_name(kctl, valinfo->suffix); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2007 | |
Takashi Iwai | 0ba41d9 | 2014-02-26 13:02:17 +0100 | [diff] [blame] | 2008 | usb_audio_dbg(state->chip, |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2009 | "[%d] PU [%s] ch = %d, val = %d/%d\n", |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 2010 | cval->head.id, kctl->id.name, cval->channels, |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2011 | cval->min, cval->max); |
| 2012 | |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 2013 | err = snd_usb_mixer_add_control(&cval->head, kctl); |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2014 | if (err < 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2015 | return err; |
| 2016 | } |
| 2017 | return 0; |
| 2018 | } |
| 2019 | |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2020 | static int parse_audio_processing_unit(struct mixer_build *state, int unitid, |
| 2021 | void *raw_desc) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2022 | { |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2023 | return build_audio_procunit(state, unitid, raw_desc, |
| 2024 | procunits, "Processing Unit"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2025 | } |
| 2026 | |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2027 | static int parse_audio_extension_unit(struct mixer_build *state, int unitid, |
| 2028 | void *raw_desc) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2029 | { |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2030 | /* |
| 2031 | * Note that we parse extension units with processing unit descriptors. |
| 2032 | * That's ok as the layout is the same. |
| 2033 | */ |
| 2034 | return build_audio_procunit(state, unitid, raw_desc, |
| 2035 | extunits, "Extension Unit"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2036 | } |
| 2037 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2038 | /* |
| 2039 | * Selector Unit |
| 2040 | */ |
| 2041 | |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2042 | /* |
| 2043 | * info callback for selector unit |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2044 | * use an enumerator type for routing |
| 2045 | */ |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2046 | static int mixer_ctl_selector_info(struct snd_kcontrol *kcontrol, |
| 2047 | struct snd_ctl_elem_info *uinfo) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2048 | { |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 2049 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
Clemens Ladisch | 2a1803a | 2011-01-10 16:30:13 +0100 | [diff] [blame] | 2050 | const char **itemlist = (const char **)kcontrol->private_value; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2051 | |
Takashi Iwai | 5e246b8 | 2008-08-08 17:12:47 +0200 | [diff] [blame] | 2052 | if (snd_BUG_ON(!itemlist)) |
| 2053 | return -EINVAL; |
Clemens Ladisch | 2a1803a | 2011-01-10 16:30:13 +0100 | [diff] [blame] | 2054 | return snd_ctl_enum_info(uinfo, 1, cval->max, itemlist); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2055 | } |
| 2056 | |
| 2057 | /* get callback for selector unit */ |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2058 | static int mixer_ctl_selector_get(struct snd_kcontrol *kcontrol, |
| 2059 | struct snd_ctl_elem_value *ucontrol) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2060 | { |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 2061 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2062 | int val, err; |
| 2063 | |
Daniel Mack | 0941420 | 2010-05-31 13:35:44 +0200 | [diff] [blame] | 2064 | err = get_cur_ctl_value(cval, cval->control << 8, &val); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2065 | if (err < 0) { |
Takashi Iwai | 5aeee34 | 2014-11-18 11:02:14 +0100 | [diff] [blame] | 2066 | ucontrol->value.enumerated.item[0] = 0; |
| 2067 | return filter_error(cval, err); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2068 | } |
| 2069 | val = get_relative_value(cval, val); |
| 2070 | ucontrol->value.enumerated.item[0] = val; |
| 2071 | return 0; |
| 2072 | } |
| 2073 | |
| 2074 | /* put callback for selector unit */ |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2075 | static int mixer_ctl_selector_put(struct snd_kcontrol *kcontrol, |
| 2076 | struct snd_ctl_elem_value *ucontrol) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2077 | { |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 2078 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2079 | int val, oval, err; |
| 2080 | |
Daniel Mack | 0941420 | 2010-05-31 13:35:44 +0200 | [diff] [blame] | 2081 | err = get_cur_ctl_value(cval, cval->control << 8, &oval); |
Takashi Iwai | 5aeee34 | 2014-11-18 11:02:14 +0100 | [diff] [blame] | 2082 | if (err < 0) |
| 2083 | return filter_error(cval, err); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2084 | val = ucontrol->value.enumerated.item[0]; |
| 2085 | val = get_abs_value(cval, val); |
| 2086 | if (val != oval) { |
Daniel Mack | 0941420 | 2010-05-31 13:35:44 +0200 | [diff] [blame] | 2087 | set_cur_ctl_value(cval, cval->control << 8, val); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2088 | return 1; |
| 2089 | } |
| 2090 | return 0; |
| 2091 | } |
| 2092 | |
| 2093 | /* alsa control interface for selector unit */ |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 2094 | static struct snd_kcontrol_new mixer_selectunit_ctl = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2095 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| 2096 | .name = "", /* will be filled later */ |
| 2097 | .info = mixer_ctl_selector_info, |
| 2098 | .get = mixer_ctl_selector_get, |
| 2099 | .put = mixer_ctl_selector_put, |
| 2100 | }; |
| 2101 | |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2102 | /* |
| 2103 | * private free callback. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2104 | * free both private_data and private_value |
| 2105 | */ |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 2106 | static void usb_mixer_selector_elem_free(struct snd_kcontrol *kctl) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2107 | { |
| 2108 | int i, num_ins = 0; |
| 2109 | |
| 2110 | if (kctl->private_data) { |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 2111 | struct usb_mixer_elem_info *cval = kctl->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2112 | num_ins = cval->max; |
| 2113 | kfree(cval); |
| 2114 | kctl->private_data = NULL; |
| 2115 | } |
| 2116 | if (kctl->private_value) { |
| 2117 | char **itemlist = (char **)kctl->private_value; |
| 2118 | for (i = 0; i < num_ins; i++) |
| 2119 | kfree(itemlist[i]); |
| 2120 | kfree(itemlist); |
| 2121 | kctl->private_value = 0; |
| 2122 | } |
| 2123 | } |
| 2124 | |
| 2125 | /* |
| 2126 | * parse a selector unit |
| 2127 | */ |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2128 | static int parse_audio_selector_unit(struct mixer_build *state, int unitid, |
| 2129 | void *raw_desc) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2130 | { |
Daniel Mack | 99fc864 | 2010-03-11 21:13:24 +0100 | [diff] [blame] | 2131 | struct uac_selector_unit_descriptor *desc = raw_desc; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2132 | unsigned int i, nameid, len; |
| 2133 | int err; |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 2134 | struct usb_mixer_elem_info *cval; |
| 2135 | struct snd_kcontrol *kctl; |
Jaroslav Kysela | c3a3e04 | 2010-02-11 17:50:44 +0100 | [diff] [blame] | 2136 | const struct usbmix_name_map *map; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2137 | char **namelist; |
| 2138 | |
Takashi Iwai | 2335322 | 2017-11-21 17:00:32 +0100 | [diff] [blame] | 2139 | if (desc->bLength < 5 || !desc->bNrInPins || |
| 2140 | desc->bLength < 5 + desc->bNrInPins) { |
Takashi Iwai | 0ba41d9 | 2014-02-26 13:02:17 +0100 | [diff] [blame] | 2141 | usb_audio_err(state->chip, |
| 2142 | "invalid SELECTOR UNIT descriptor %d\n", unitid); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2143 | return -EINVAL; |
| 2144 | } |
| 2145 | |
Daniel Mack | 99fc864 | 2010-03-11 21:13:24 +0100 | [diff] [blame] | 2146 | for (i = 0; i < desc->bNrInPins; i++) { |
| 2147 | if ((err = parse_audio_unit(state, desc->baSourceID[i])) < 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2148 | return err; |
| 2149 | } |
| 2150 | |
Daniel Mack | 99fc864 | 2010-03-11 21:13:24 +0100 | [diff] [blame] | 2151 | if (desc->bNrInPins == 1) /* only one ? nonsense! */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2152 | return 0; |
| 2153 | |
Jaroslav Kysela | c3a3e04 | 2010-02-11 17:50:44 +0100 | [diff] [blame] | 2154 | map = find_map(state, unitid, 0); |
| 2155 | if (check_ignored_ctl(map)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2156 | return 0; |
| 2157 | |
Takashi Iwai | 561b220 | 2005-09-09 14:22:34 +0200 | [diff] [blame] | 2158 | cval = kzalloc(sizeof(*cval), GFP_KERNEL); |
Daniel Mack | a860d95 | 2014-05-24 10:58:17 +0200 | [diff] [blame] | 2159 | if (!cval) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2160 | return -ENOMEM; |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 2161 | snd_usb_mixer_elem_init_std(&cval->head, state->mixer, unitid); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2162 | cval->val_type = USB_MIXER_U8; |
| 2163 | cval->channels = 1; |
| 2164 | cval->min = 1; |
Daniel Mack | 99fc864 | 2010-03-11 21:13:24 +0100 | [diff] [blame] | 2165 | cval->max = desc->bNrInPins; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2166 | cval->res = 1; |
| 2167 | cval->initialized = 1; |
| 2168 | |
Johan Rastén | a358a0e | 2014-11-17 08:39:33 +0100 | [diff] [blame] | 2169 | if (state->mixer->protocol == UAC_VERSION_1) |
Daniel Mack | 0941420 | 2010-05-31 13:35:44 +0200 | [diff] [blame] | 2170 | cval->control = 0; |
Johan Rastén | a358a0e | 2014-11-17 08:39:33 +0100 | [diff] [blame] | 2171 | else /* UAC_VERSION_2 */ |
| 2172 | cval->control = (desc->bDescriptorSubtype == UAC2_CLOCK_SELECTOR) ? |
| 2173 | UAC2_CX_CLOCK_SELECTOR : UAC2_SU_SELECTOR; |
Daniel Mack | 0941420 | 2010-05-31 13:35:44 +0200 | [diff] [blame] | 2174 | |
Daniel Mack | 99fc864 | 2010-03-11 21:13:24 +0100 | [diff] [blame] | 2175 | namelist = kmalloc(sizeof(char *) * desc->bNrInPins, GFP_KERNEL); |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2176 | if (!namelist) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2177 | kfree(cval); |
| 2178 | return -ENOMEM; |
| 2179 | } |
| 2180 | #define MAX_ITEM_NAME_LEN 64 |
Daniel Mack | 99fc864 | 2010-03-11 21:13:24 +0100 | [diff] [blame] | 2181 | for (i = 0; i < desc->bNrInPins; i++) { |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 2182 | struct usb_audio_term iterm; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2183 | len = 0; |
| 2184 | namelist[i] = kmalloc(MAX_ITEM_NAME_LEN, GFP_KERNEL); |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2185 | if (!namelist[i]) { |
Mariusz Kozlowski | 7fbe3ca | 2007-01-08 11:25:30 +0100 | [diff] [blame] | 2186 | while (i--) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2187 | kfree(namelist[i]); |
| 2188 | kfree(namelist); |
| 2189 | kfree(cval); |
| 2190 | return -ENOMEM; |
| 2191 | } |
Clemens Ladisch | 8e062ec | 2005-04-22 15:49:52 +0200 | [diff] [blame] | 2192 | len = check_mapped_selector_name(state, unitid, i, namelist[i], |
| 2193 | MAX_ITEM_NAME_LEN); |
Daniel Mack | 99fc864 | 2010-03-11 21:13:24 +0100 | [diff] [blame] | 2194 | if (! len && check_input_term(state, desc->baSourceID[i], &iterm) >= 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2195 | len = get_term_name(state, &iterm, namelist[i], MAX_ITEM_NAME_LEN, 0); |
| 2196 | if (! len) |
Masanari Iida | af831ee | 2014-04-28 13:08:55 +0900 | [diff] [blame] | 2197 | sprintf(namelist[i], "Input %u", i); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2198 | } |
| 2199 | |
| 2200 | kctl = snd_ctl_new1(&mixer_selectunit_ctl, cval); |
| 2201 | if (! kctl) { |
Takashi Iwai | 0ba41d9 | 2014-02-26 13:02:17 +0100 | [diff] [blame] | 2202 | usb_audio_err(state->chip, "cannot malloc kcontrol\n"); |
Wenwen Wang | f934bf3 | 2019-04-27 01:06:46 -0500 | [diff] [blame] | 2203 | for (i = 0; i < desc->bNrInPins; i++) |
| 2204 | kfree(namelist[i]); |
Jesper Juhl | 878b478 | 2006-03-20 11:27:13 +0100 | [diff] [blame] | 2205 | kfree(namelist); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2206 | kfree(cval); |
| 2207 | return -ENOMEM; |
| 2208 | } |
| 2209 | kctl->private_value = (unsigned long)namelist; |
| 2210 | kctl->private_free = usb_mixer_selector_elem_free; |
| 2211 | |
Takashi Iwai | 3176065 | 2017-12-18 23:36:57 +0100 | [diff] [blame] | 2212 | /* check the static mapping table at first */ |
Jaroslav Kysela | c3a3e04 | 2010-02-11 17:50:44 +0100 | [diff] [blame] | 2213 | len = check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name)); |
Jaejoong Kim | 173c8c3 | 2017-12-04 15:31:49 +0900 | [diff] [blame] | 2214 | if (!len) { |
Takashi Iwai | 3176065 | 2017-12-18 23:36:57 +0100 | [diff] [blame] | 2215 | /* no mapping ? */ |
| 2216 | /* if iSelector is given, use it */ |
| 2217 | nameid = uac_selector_unit_iSelector(desc); |
| 2218 | if (nameid) |
| 2219 | len = snd_usb_copy_string_desc(state, nameid, |
| 2220 | kctl->id.name, |
| 2221 | sizeof(kctl->id.name)); |
| 2222 | /* ... or pick up the terminal name at next */ |
| 2223 | if (!len) |
| 2224 | len = get_term_name(state, &state->oterm, |
| 2225 | kctl->id.name, sizeof(kctl->id.name), 0); |
| 2226 | /* ... or use the fixed string "USB" as the last resort */ |
| 2227 | if (!len) |
| 2228 | strlcpy(kctl->id.name, "USB", sizeof(kctl->id.name)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2229 | |
Takashi Iwai | 3176065 | 2017-12-18 23:36:57 +0100 | [diff] [blame] | 2230 | /* and add the proper suffix */ |
Daniel Mack | 0941420 | 2010-05-31 13:35:44 +0200 | [diff] [blame] | 2231 | if (desc->bDescriptorSubtype == UAC2_CLOCK_SELECTOR) |
| 2232 | append_ctl_name(kctl, " Clock Source"); |
| 2233 | else if ((state->oterm.type & 0xff00) == 0x0100) |
Takashi Iwai | 08d1e63 | 2009-10-02 14:06:08 +0200 | [diff] [blame] | 2234 | append_ctl_name(kctl, " Capture Source"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2235 | else |
Takashi Iwai | 08d1e63 | 2009-10-02 14:06:08 +0200 | [diff] [blame] | 2236 | append_ctl_name(kctl, " Playback Source"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2237 | } |
| 2238 | |
Takashi Iwai | 0ba41d9 | 2014-02-26 13:02:17 +0100 | [diff] [blame] | 2239 | usb_audio_dbg(state->chip, "[%d] SU [%s] items = %d\n", |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 2240 | cval->head.id, kctl->id.name, desc->bNrInPins); |
| 2241 | return snd_usb_mixer_add_control(&cval->head, kctl); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2242 | } |
| 2243 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2244 | /* |
| 2245 | * parse an audio unit recursively |
| 2246 | */ |
| 2247 | |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 2248 | static int parse_audio_unit(struct mixer_build *state, int unitid) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2249 | { |
| 2250 | unsigned char *p1; |
| 2251 | |
| 2252 | if (test_and_set_bit(unitid, state->unitbitmap)) |
| 2253 | return 0; /* the unit already visited */ |
| 2254 | |
| 2255 | p1 = find_audio_control_unit(state, unitid); |
| 2256 | if (!p1) { |
Takashi Iwai | 0ba41d9 | 2014-02-26 13:02:17 +0100 | [diff] [blame] | 2257 | usb_audio_err(state->chip, "unit %d not found!\n", unitid); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2258 | return -EINVAL; |
| 2259 | } |
| 2260 | |
| 2261 | switch (p1[2]) { |
Daniel Mack | de48c7b | 2010-02-22 23:49:13 +0100 | [diff] [blame] | 2262 | case UAC_INPUT_TERMINAL: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2263 | return 0; /* NOP */ |
Daniel Mack | de48c7b | 2010-02-22 23:49:13 +0100 | [diff] [blame] | 2264 | case UAC_MIXER_UNIT: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2265 | return parse_audio_mixer_unit(state, unitid, p1); |
Daniel Mack | cddaafb | 2016-04-09 11:21:46 +0200 | [diff] [blame] | 2266 | case UAC2_CLOCK_SOURCE: |
| 2267 | return parse_clock_source_unit(state, unitid, p1); |
Daniel Mack | de48c7b | 2010-02-22 23:49:13 +0100 | [diff] [blame] | 2268 | case UAC_SELECTOR_UNIT: |
Daniel Mack | 0941420 | 2010-05-31 13:35:44 +0200 | [diff] [blame] | 2269 | case UAC2_CLOCK_SELECTOR: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2270 | return parse_audio_selector_unit(state, unitid, p1); |
Daniel Mack | de48c7b | 2010-02-22 23:49:13 +0100 | [diff] [blame] | 2271 | case UAC_FEATURE_UNIT: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2272 | return parse_audio_feature_unit(state, unitid, p1); |
Daniel Mack | 69da9bc | 2010-06-16 17:57:28 +0200 | [diff] [blame] | 2273 | case UAC1_PROCESSING_UNIT: |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 2274 | /* UAC2_EFFECT_UNIT has the same value */ |
| 2275 | if (state->mixer->protocol == UAC_VERSION_1) |
| 2276 | return parse_audio_processing_unit(state, unitid, p1); |
| 2277 | else |
| 2278 | return 0; /* FIXME - effect units not implemented yet */ |
Daniel Mack | 69da9bc | 2010-06-16 17:57:28 +0200 | [diff] [blame] | 2279 | case UAC1_EXTENSION_UNIT: |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 2280 | /* UAC2_PROCESSING_UNIT_V2 has the same value */ |
| 2281 | if (state->mixer->protocol == UAC_VERSION_1) |
| 2282 | return parse_audio_extension_unit(state, unitid, p1); |
| 2283 | else /* UAC_VERSION_2 */ |
| 2284 | return parse_audio_processing_unit(state, unitid, p1); |
Torstein Hegge | 61ac513 | 2013-03-19 17:12:14 +0100 | [diff] [blame] | 2285 | case UAC2_EXTENSION_UNIT_V2: |
| 2286 | return parse_audio_extension_unit(state, unitid, p1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2287 | default: |
Takashi Iwai | 0ba41d9 | 2014-02-26 13:02:17 +0100 | [diff] [blame] | 2288 | usb_audio_err(state->chip, |
| 2289 | "unit %u: unexpected type 0x%02x\n", unitid, p1[2]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2290 | return -EINVAL; |
| 2291 | } |
| 2292 | } |
| 2293 | |
Clemens Ladisch | 84957a8 | 2005-04-29 16:23:13 +0200 | [diff] [blame] | 2294 | static void snd_usb_mixer_free(struct usb_mixer_interface *mixer) |
| 2295 | { |
Takashi Iwai | e0c7028 | 2017-10-10 14:10:32 +0200 | [diff] [blame] | 2296 | /* kill pending URBs */ |
| 2297 | snd_usb_mixer_disconnect(mixer); |
| 2298 | |
Clemens Ladisch | 6639b6c | 2005-04-29 16:26:14 +0200 | [diff] [blame] | 2299 | kfree(mixer->id_elems); |
| 2300 | if (mixer->urb) { |
| 2301 | kfree(mixer->urb->transfer_buffer); |
| 2302 | usb_free_urb(mixer->urb); |
| 2303 | } |
Mariusz Kozlowski | 68df9de | 2006-11-08 15:37:04 +0100 | [diff] [blame] | 2304 | usb_free_urb(mixer->rc_urb); |
Clemens Ladisch | b259b10 | 2005-04-29 16:29:28 +0200 | [diff] [blame] | 2305 | kfree(mixer->rc_setup_packet); |
Clemens Ladisch | 84957a8 | 2005-04-29 16:23:13 +0200 | [diff] [blame] | 2306 | kfree(mixer); |
| 2307 | } |
| 2308 | |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 2309 | static int snd_usb_mixer_dev_free(struct snd_device *device) |
Clemens Ladisch | 84957a8 | 2005-04-29 16:23:13 +0200 | [diff] [blame] | 2310 | { |
| 2311 | struct usb_mixer_interface *mixer = device->device_data; |
| 2312 | snd_usb_mixer_free(mixer); |
| 2313 | return 0; |
| 2314 | } |
| 2315 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2316 | /* |
| 2317 | * create mixer controls |
| 2318 | * |
Daniel Mack | de48c7b | 2010-02-22 23:49:13 +0100 | [diff] [blame] | 2319 | * walk through all UAC_OUTPUT_TERMINAL descriptors to search for mixers |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2320 | */ |
Clemens Ladisch | 84957a8 | 2005-04-29 16:23:13 +0200 | [diff] [blame] | 2321 | static int snd_usb_mixer_controls(struct usb_mixer_interface *mixer) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2322 | { |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 2323 | struct mixer_build state; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2324 | int err; |
| 2325 | const struct usbmix_ctl_map *map; |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 2326 | void *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2327 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2328 | memset(&state, 0, sizeof(state)); |
Clemens Ladisch | 84957a8 | 2005-04-29 16:23:13 +0200 | [diff] [blame] | 2329 | state.chip = mixer->chip; |
| 2330 | state.mixer = mixer; |
Daniel Mack | 1faa5d0 | 2011-08-04 15:56:28 +0200 | [diff] [blame] | 2331 | state.buffer = mixer->hostif->extra; |
| 2332 | state.buflen = mixer->hostif->extralen; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2333 | |
| 2334 | /* check the mapping table */ |
Clemens Ladisch | 27d10f5 | 2005-05-02 08:51:26 +0200 | [diff] [blame] | 2335 | for (map = usbmix_ctl_maps; map->id; map++) { |
| 2336 | if (map->id == state.chip->usb_id) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2337 | state.map = map->map; |
Clemens Ladisch | 8e062ec | 2005-04-22 15:49:52 +0200 | [diff] [blame] | 2338 | state.selector_map = map->selector_map; |
Clemens Ladisch | 84957a8 | 2005-04-29 16:23:13 +0200 | [diff] [blame] | 2339 | mixer->ignore_ctl_error = map->ignore_ctl_error; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2340 | break; |
| 2341 | } |
| 2342 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2343 | |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 2344 | p = NULL; |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2345 | while ((p = snd_usb_find_csint_desc(mixer->hostif->extra, |
| 2346 | mixer->hostif->extralen, |
Daniel Mack | 1faa5d0 | 2011-08-04 15:56:28 +0200 | [diff] [blame] | 2347 | p, UAC_OUTPUT_TERMINAL)) != NULL) { |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 2348 | if (mixer->protocol == UAC_VERSION_1) { |
Daniel Mack | 69da9bc | 2010-06-16 17:57:28 +0200 | [diff] [blame] | 2349 | struct uac1_output_terminal_descriptor *desc = p; |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 2350 | |
| 2351 | if (desc->bLength < sizeof(*desc)) |
| 2352 | continue; /* invalid descriptor? */ |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2353 | /* mark terminal ID as visited */ |
| 2354 | set_bit(desc->bTerminalID, state.unitbitmap); |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 2355 | state.oterm.id = desc->bTerminalID; |
| 2356 | state.oterm.type = le16_to_cpu(desc->wTerminalType); |
| 2357 | state.oterm.name = desc->iTerminal; |
| 2358 | err = parse_audio_unit(&state, desc->bSourceID); |
Daniel Mack | 83ea5d1 | 2013-03-19 21:09:25 +0100 | [diff] [blame] | 2359 | if (err < 0 && err != -EINVAL) |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 2360 | return err; |
| 2361 | } else { /* UAC_VERSION_2 */ |
| 2362 | struct uac2_output_terminal_descriptor *desc = p; |
| 2363 | |
| 2364 | if (desc->bLength < sizeof(*desc)) |
| 2365 | continue; /* invalid descriptor? */ |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2366 | /* mark terminal ID as visited */ |
| 2367 | set_bit(desc->bTerminalID, state.unitbitmap); |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 2368 | state.oterm.id = desc->bTerminalID; |
| 2369 | state.oterm.type = le16_to_cpu(desc->wTerminalType); |
| 2370 | state.oterm.name = desc->iTerminal; |
| 2371 | err = parse_audio_unit(&state, desc->bSourceID); |
Daniel Mack | 83ea5d1 | 2013-03-19 21:09:25 +0100 | [diff] [blame] | 2372 | if (err < 0 && err != -EINVAL) |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 2373 | return err; |
Daniel Mack | 0941420 | 2010-05-31 13:35:44 +0200 | [diff] [blame] | 2374 | |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2375 | /* |
| 2376 | * For UAC2, use the same approach to also add the |
| 2377 | * clock selectors |
| 2378 | */ |
Daniel Mack | 0941420 | 2010-05-31 13:35:44 +0200 | [diff] [blame] | 2379 | err = parse_audio_unit(&state, desc->bCSourceID); |
Daniel Mack | 83ea5d1 | 2013-03-19 21:09:25 +0100 | [diff] [blame] | 2380 | if (err < 0 && err != -EINVAL) |
Daniel Mack | 0941420 | 2010-05-31 13:35:44 +0200 | [diff] [blame] | 2381 | return err; |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 2382 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2383 | } |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 2384 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2385 | return 0; |
| 2386 | } |
Clemens Ladisch | 84957a8 | 2005-04-29 16:23:13 +0200 | [diff] [blame] | 2387 | |
Daniel Mack | 7b1eda2 | 2010-03-11 21:13:22 +0100 | [diff] [blame] | 2388 | void snd_usb_mixer_notify_id(struct usb_mixer_interface *mixer, int unitid) |
Clemens Ladisch | 6639b6c | 2005-04-29 16:26:14 +0200 | [diff] [blame] | 2389 | { |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 2390 | struct usb_mixer_elem_list *list; |
Clemens Ladisch | 6639b6c | 2005-04-29 16:26:14 +0200 | [diff] [blame] | 2391 | |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 2392 | for (list = mixer->id_elems[unitid]; list; list = list->next_id_elem) |
Clemens Ladisch | 6639b6c | 2005-04-29 16:26:14 +0200 | [diff] [blame] | 2393 | snd_ctl_notify(mixer->chip->card, SNDRV_CTL_EVENT_MASK_VALUE, |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 2394 | &list->kctl->id); |
Clemens Ladisch | 6639b6c | 2005-04-29 16:26:14 +0200 | [diff] [blame] | 2395 | } |
| 2396 | |
Jaroslav Kysela | ebfdeea | 2010-02-16 11:17:09 +0100 | [diff] [blame] | 2397 | static void snd_usb_mixer_dump_cval(struct snd_info_buffer *buffer, |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 2398 | struct usb_mixer_elem_list *list) |
Jaroslav Kysela | ebfdeea | 2010-02-16 11:17:09 +0100 | [diff] [blame] | 2399 | { |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 2400 | struct usb_mixer_elem_info *cval = (struct usb_mixer_elem_info *)list; |
Jaroslav Kysela | ebfdeea | 2010-02-16 11:17:09 +0100 | [diff] [blame] | 2401 | static char *val_types[] = {"BOOLEAN", "INV_BOOLEAN", |
| 2402 | "S8", "U8", "S16", "U16"}; |
Jaroslav Kysela | ebfdeea | 2010-02-16 11:17:09 +0100 | [diff] [blame] | 2403 | snd_iprintf(buffer, " Info: id=%i, control=%i, cmask=0x%x, " |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 2404 | "channels=%i, type=\"%s\"\n", cval->head.id, |
Jaroslav Kysela | ebfdeea | 2010-02-16 11:17:09 +0100 | [diff] [blame] | 2405 | cval->control, cval->cmask, cval->channels, |
| 2406 | val_types[cval->val_type]); |
| 2407 | snd_iprintf(buffer, " Volume: min=%i, max=%i, dBmin=%i, dBmax=%i\n", |
| 2408 | cval->min, cval->max, cval->dBmin, cval->dBmax); |
| 2409 | } |
| 2410 | |
| 2411 | static void snd_usb_mixer_proc_read(struct snd_info_entry *entry, |
| 2412 | struct snd_info_buffer *buffer) |
| 2413 | { |
| 2414 | struct snd_usb_audio *chip = entry->private_data; |
| 2415 | struct usb_mixer_interface *mixer; |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 2416 | struct usb_mixer_elem_list *list; |
Jaroslav Kysela | ebfdeea | 2010-02-16 11:17:09 +0100 | [diff] [blame] | 2417 | int unitid; |
| 2418 | |
| 2419 | list_for_each_entry(mixer, &chip->mixer_list, list) { |
| 2420 | snd_iprintf(buffer, |
Jaroslav Kysela | 7affdc1 | 2010-02-16 11:52:27 +0100 | [diff] [blame] | 2421 | "USB Mixer: usb_id=0x%08x, ctrlif=%i, ctlerr=%i\n", |
Daniel Mack | 3d8d4dc | 2010-06-16 17:57:31 +0200 | [diff] [blame] | 2422 | chip->usb_id, snd_usb_ctrl_intf(chip), |
Jaroslav Kysela | 7affdc1 | 2010-02-16 11:52:27 +0100 | [diff] [blame] | 2423 | mixer->ignore_ctl_error); |
Jaroslav Kysela | ebfdeea | 2010-02-16 11:17:09 +0100 | [diff] [blame] | 2424 | snd_iprintf(buffer, "Card: %s\n", chip->card->longname); |
| 2425 | for (unitid = 0; unitid < MAX_ID_ELEMS; unitid++) { |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 2426 | for (list = mixer->id_elems[unitid]; list; |
| 2427 | list = list->next_id_elem) { |
| 2428 | snd_iprintf(buffer, " Unit: %i\n", list->id); |
| 2429 | if (list->kctl) |
| 2430 | snd_iprintf(buffer, |
| 2431 | " Control: name=\"%s\", index=%i\n", |
| 2432 | list->kctl->id.name, |
| 2433 | list->kctl->id.index); |
| 2434 | if (list->dump) |
| 2435 | list->dump(buffer, list); |
| 2436 | } |
Jaroslav Kysela | ebfdeea | 2010-02-16 11:17:09 +0100 | [diff] [blame] | 2437 | } |
| 2438 | } |
| 2439 | } |
| 2440 | |
Daniel Mack | e213e9c | 2010-05-11 18:13:50 +0200 | [diff] [blame] | 2441 | static void snd_usb_mixer_interrupt_v2(struct usb_mixer_interface *mixer, |
| 2442 | int attribute, int value, int index) |
| 2443 | { |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 2444 | struct usb_mixer_elem_list *list; |
Daniel Mack | e213e9c | 2010-05-11 18:13:50 +0200 | [diff] [blame] | 2445 | __u8 unitid = (index >> 8) & 0xff; |
| 2446 | __u8 control = (value >> 8) & 0xff; |
| 2447 | __u8 channel = value & 0xff; |
Daniel Mack | 191227d | 2016-04-08 19:52:02 +0200 | [diff] [blame] | 2448 | unsigned int count = 0; |
Daniel Mack | e213e9c | 2010-05-11 18:13:50 +0200 | [diff] [blame] | 2449 | |
| 2450 | if (channel >= MAX_CHANNELS) { |
Takashi Iwai | 0ba41d9 | 2014-02-26 13:02:17 +0100 | [diff] [blame] | 2451 | usb_audio_dbg(mixer->chip, |
| 2452 | "%s(): bogus channel number %d\n", |
| 2453 | __func__, channel); |
Daniel Mack | e213e9c | 2010-05-11 18:13:50 +0200 | [diff] [blame] | 2454 | return; |
| 2455 | } |
| 2456 | |
Daniel Mack | 191227d | 2016-04-08 19:52:02 +0200 | [diff] [blame] | 2457 | for (list = mixer->id_elems[unitid]; list; list = list->next_id_elem) |
| 2458 | count++; |
| 2459 | |
| 2460 | if (count == 0) |
| 2461 | return; |
| 2462 | |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 2463 | for (list = mixer->id_elems[unitid]; list; list = list->next_id_elem) { |
| 2464 | struct usb_mixer_elem_info *info; |
| 2465 | |
| 2466 | if (!list->kctl) |
| 2467 | continue; |
| 2468 | |
| 2469 | info = (struct usb_mixer_elem_info *)list; |
Daniel Mack | 191227d | 2016-04-08 19:52:02 +0200 | [diff] [blame] | 2470 | if (count > 1 && info->control != control) |
Daniel Mack | e213e9c | 2010-05-11 18:13:50 +0200 | [diff] [blame] | 2471 | continue; |
| 2472 | |
| 2473 | switch (attribute) { |
| 2474 | case UAC2_CS_CUR: |
| 2475 | /* invalidate cache, so the value is read from the device */ |
| 2476 | if (channel) |
| 2477 | info->cached &= ~(1 << channel); |
| 2478 | else /* master channel */ |
| 2479 | info->cached = 0; |
| 2480 | |
| 2481 | snd_ctl_notify(mixer->chip->card, SNDRV_CTL_EVENT_MASK_VALUE, |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 2482 | &info->head.kctl->id); |
Daniel Mack | e213e9c | 2010-05-11 18:13:50 +0200 | [diff] [blame] | 2483 | break; |
| 2484 | |
| 2485 | case UAC2_CS_RANGE: |
| 2486 | /* TODO */ |
| 2487 | break; |
| 2488 | |
| 2489 | case UAC2_CS_MEM: |
| 2490 | /* TODO */ |
| 2491 | break; |
| 2492 | |
| 2493 | default: |
Takashi Iwai | 0ba41d9 | 2014-02-26 13:02:17 +0100 | [diff] [blame] | 2494 | usb_audio_dbg(mixer->chip, |
| 2495 | "unknown attribute %d in interrupt\n", |
| 2496 | attribute); |
Daniel Mack | e213e9c | 2010-05-11 18:13:50 +0200 | [diff] [blame] | 2497 | break; |
| 2498 | } /* switch */ |
| 2499 | } |
| 2500 | } |
| 2501 | |
| 2502 | static void snd_usb_mixer_interrupt(struct urb *urb) |
Clemens Ladisch | 6639b6c | 2005-04-29 16:26:14 +0200 | [diff] [blame] | 2503 | { |
| 2504 | struct usb_mixer_interface *mixer = urb->context; |
Daniel Mack | e213e9c | 2010-05-11 18:13:50 +0200 | [diff] [blame] | 2505 | int len = urb->actual_length; |
Oliver Neukum | edf7de3 | 2011-03-11 13:19:43 +0100 | [diff] [blame] | 2506 | int ustatus = urb->status; |
Clemens Ladisch | 6639b6c | 2005-04-29 16:26:14 +0200 | [diff] [blame] | 2507 | |
Oliver Neukum | edf7de3 | 2011-03-11 13:19:43 +0100 | [diff] [blame] | 2508 | if (ustatus != 0) |
Daniel Mack | e213e9c | 2010-05-11 18:13:50 +0200 | [diff] [blame] | 2509 | goto requeue; |
Clemens Ladisch | 6639b6c | 2005-04-29 16:26:14 +0200 | [diff] [blame] | 2510 | |
Daniel Mack | e213e9c | 2010-05-11 18:13:50 +0200 | [diff] [blame] | 2511 | if (mixer->protocol == UAC_VERSION_1) { |
| 2512 | struct uac1_status_word *status; |
| 2513 | |
| 2514 | for (status = urb->transfer_buffer; |
| 2515 | len >= sizeof(*status); |
| 2516 | len -= sizeof(*status), status++) { |
Takashi Iwai | 0ba41d9 | 2014-02-26 13:02:17 +0100 | [diff] [blame] | 2517 | dev_dbg(&urb->dev->dev, "status interrupt: %02x %02x\n", |
Daniel Mack | e213e9c | 2010-05-11 18:13:50 +0200 | [diff] [blame] | 2518 | status->bStatusType, |
| 2519 | status->bOriginator); |
| 2520 | |
Clemens Ladisch | 6639b6c | 2005-04-29 16:26:14 +0200 | [diff] [blame] | 2521 | /* ignore any notifications not from the control interface */ |
Daniel Mack | e213e9c | 2010-05-11 18:13:50 +0200 | [diff] [blame] | 2522 | if ((status->bStatusType & UAC1_STATUS_TYPE_ORIG_MASK) != |
| 2523 | UAC1_STATUS_TYPE_ORIG_AUDIO_CONTROL_IF) |
Clemens Ladisch | 6639b6c | 2005-04-29 16:26:14 +0200 | [diff] [blame] | 2524 | continue; |
Daniel Mack | e213e9c | 2010-05-11 18:13:50 +0200 | [diff] [blame] | 2525 | |
| 2526 | if (status->bStatusType & UAC1_STATUS_TYPE_MEM_CHANGED) |
| 2527 | snd_usb_mixer_rc_memory_change(mixer, status->bOriginator); |
Clemens Ladisch | b259b10 | 2005-04-29 16:29:28 +0200 | [diff] [blame] | 2528 | else |
Daniel Mack | e213e9c | 2010-05-11 18:13:50 +0200 | [diff] [blame] | 2529 | snd_usb_mixer_notify_id(mixer, status->bOriginator); |
| 2530 | } |
| 2531 | } else { /* UAC_VERSION_2 */ |
| 2532 | struct uac2_interrupt_data_msg *msg; |
| 2533 | |
| 2534 | for (msg = urb->transfer_buffer; |
| 2535 | len >= sizeof(*msg); |
| 2536 | len -= sizeof(*msg), msg++) { |
| 2537 | /* drop vendor specific and endpoint requests */ |
| 2538 | if ((msg->bInfo & UAC2_INTERRUPT_DATA_MSG_VENDOR) || |
| 2539 | (msg->bInfo & UAC2_INTERRUPT_DATA_MSG_EP)) |
| 2540 | continue; |
| 2541 | |
| 2542 | snd_usb_mixer_interrupt_v2(mixer, msg->bAttribute, |
| 2543 | le16_to_cpu(msg->wValue), |
| 2544 | le16_to_cpu(msg->wIndex)); |
Clemens Ladisch | 6639b6c | 2005-04-29 16:26:14 +0200 | [diff] [blame] | 2545 | } |
| 2546 | } |
Daniel Mack | e213e9c | 2010-05-11 18:13:50 +0200 | [diff] [blame] | 2547 | |
| 2548 | requeue: |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2549 | if (ustatus != -ENOENT && |
| 2550 | ustatus != -ECONNRESET && |
| 2551 | ustatus != -ESHUTDOWN) { |
Clemens Ladisch | 6639b6c | 2005-04-29 16:26:14 +0200 | [diff] [blame] | 2552 | urb->dev = mixer->chip->dev; |
| 2553 | usb_submit_urb(urb, GFP_ATOMIC); |
| 2554 | } |
| 2555 | } |
| 2556 | |
| 2557 | /* create the handler for the optional status interrupt endpoint */ |
| 2558 | static int snd_usb_mixer_status_create(struct usb_mixer_interface *mixer) |
| 2559 | { |
Clemens Ladisch | 6639b6c | 2005-04-29 16:26:14 +0200 | [diff] [blame] | 2560 | struct usb_endpoint_descriptor *ep; |
| 2561 | void *transfer_buffer; |
| 2562 | int buffer_length; |
| 2563 | unsigned int epnum; |
| 2564 | |
Clemens Ladisch | 6639b6c | 2005-04-29 16:26:14 +0200 | [diff] [blame] | 2565 | /* we need one interrupt input endpoint */ |
Daniel Mack | 1faa5d0 | 2011-08-04 15:56:28 +0200 | [diff] [blame] | 2566 | if (get_iface_desc(mixer->hostif)->bNumEndpoints < 1) |
Clemens Ladisch | 6639b6c | 2005-04-29 16:26:14 +0200 | [diff] [blame] | 2567 | return 0; |
Daniel Mack | 1faa5d0 | 2011-08-04 15:56:28 +0200 | [diff] [blame] | 2568 | ep = get_endpoint(mixer->hostif, 0); |
Julia Lawall | 913ae5a | 2009-01-03 17:54:53 +0100 | [diff] [blame] | 2569 | if (!usb_endpoint_dir_in(ep) || !usb_endpoint_xfer_int(ep)) |
Clemens Ladisch | 6639b6c | 2005-04-29 16:26:14 +0200 | [diff] [blame] | 2570 | return 0; |
| 2571 | |
Julia Lawall | 42a6e66 | 2008-12-29 11:23:02 +0100 | [diff] [blame] | 2572 | epnum = usb_endpoint_num(ep); |
Clemens Ladisch | 6639b6c | 2005-04-29 16:26:14 +0200 | [diff] [blame] | 2573 | buffer_length = le16_to_cpu(ep->wMaxPacketSize); |
| 2574 | transfer_buffer = kmalloc(buffer_length, GFP_KERNEL); |
| 2575 | if (!transfer_buffer) |
| 2576 | return -ENOMEM; |
| 2577 | mixer->urb = usb_alloc_urb(0, GFP_KERNEL); |
| 2578 | if (!mixer->urb) { |
| 2579 | kfree(transfer_buffer); |
| 2580 | return -ENOMEM; |
| 2581 | } |
| 2582 | usb_fill_int_urb(mixer->urb, mixer->chip->dev, |
| 2583 | usb_rcvintpipe(mixer->chip->dev, epnum), |
| 2584 | transfer_buffer, buffer_length, |
Daniel Mack | e213e9c | 2010-05-11 18:13:50 +0200 | [diff] [blame] | 2585 | snd_usb_mixer_interrupt, mixer, ep->bInterval); |
Clemens Ladisch | 6639b6c | 2005-04-29 16:26:14 +0200 | [diff] [blame] | 2586 | usb_submit_urb(mixer->urb, GFP_KERNEL); |
| 2587 | return 0; |
| 2588 | } |
| 2589 | |
Takashi Iwai | 7a9b806 | 2008-08-13 15:40:53 +0200 | [diff] [blame] | 2590 | int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif, |
| 2591 | int ignore_error) |
Clemens Ladisch | 84957a8 | 2005-04-29 16:23:13 +0200 | [diff] [blame] | 2592 | { |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 2593 | static struct snd_device_ops dev_ops = { |
Clemens Ladisch | 84957a8 | 2005-04-29 16:23:13 +0200 | [diff] [blame] | 2594 | .dev_free = snd_usb_mixer_dev_free |
| 2595 | }; |
| 2596 | struct usb_mixer_interface *mixer; |
Jaroslav Kysela | ebfdeea | 2010-02-16 11:17:09 +0100 | [diff] [blame] | 2597 | struct snd_info_entry *entry; |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 2598 | int err; |
Clemens Ladisch | 84957a8 | 2005-04-29 16:23:13 +0200 | [diff] [blame] | 2599 | |
| 2600 | strcpy(chip->card->mixername, "USB Mixer"); |
| 2601 | |
Takashi Iwai | 561b220 | 2005-09-09 14:22:34 +0200 | [diff] [blame] | 2602 | mixer = kzalloc(sizeof(*mixer), GFP_KERNEL); |
Clemens Ladisch | 84957a8 | 2005-04-29 16:23:13 +0200 | [diff] [blame] | 2603 | if (!mixer) |
| 2604 | return -ENOMEM; |
| 2605 | mixer->chip = chip; |
Takashi Iwai | 7a9b806 | 2008-08-13 15:40:53 +0200 | [diff] [blame] | 2606 | mixer->ignore_ctl_error = ignore_error; |
Jaroslav Kysela | 291186e | 2010-02-16 11:55:18 +0100 | [diff] [blame] | 2607 | mixer->id_elems = kcalloc(MAX_ID_ELEMS, sizeof(*mixer->id_elems), |
| 2608 | GFP_KERNEL); |
Clemens Ladisch | 6639b6c | 2005-04-29 16:26:14 +0200 | [diff] [blame] | 2609 | if (!mixer->id_elems) { |
| 2610 | kfree(mixer); |
| 2611 | return -ENOMEM; |
| 2612 | } |
Clemens Ladisch | 84957a8 | 2005-04-29 16:23:13 +0200 | [diff] [blame] | 2613 | |
Daniel Mack | 1faa5d0 | 2011-08-04 15:56:28 +0200 | [diff] [blame] | 2614 | mixer->hostif = &usb_ifnum_to_if(chip->dev, ctrlif)->altsetting[0]; |
| 2615 | switch (get_iface_desc(mixer->hostif)->bInterfaceProtocol) { |
Clemens Ladisch | a2acad8 | 2010-09-03 10:53:11 +0200 | [diff] [blame] | 2616 | case UAC_VERSION_1: |
| 2617 | default: |
| 2618 | mixer->protocol = UAC_VERSION_1; |
| 2619 | break; |
| 2620 | case UAC_VERSION_2: |
| 2621 | mixer->protocol = UAC_VERSION_2; |
| 2622 | break; |
| 2623 | } |
Daniel Mack | 7b8a043 | 2010-02-22 23:49:12 +0100 | [diff] [blame] | 2624 | |
Clemens Ladisch | 6639b6c | 2005-04-29 16:26:14 +0200 | [diff] [blame] | 2625 | if ((err = snd_usb_mixer_controls(mixer)) < 0 || |
Clemens Ladisch | 93446ed | 2005-05-03 08:02:40 +0200 | [diff] [blame] | 2626 | (err = snd_usb_mixer_status_create(mixer)) < 0) |
| 2627 | goto _error; |
Clemens Ladisch | 84957a8 | 2005-04-29 16:23:13 +0200 | [diff] [blame] | 2628 | |
Daniel Mack | 7b1eda2 | 2010-03-11 21:13:22 +0100 | [diff] [blame] | 2629 | snd_usb_mixer_apply_create_quirk(mixer); |
Clemens Ladisch | 468b8fd | 2009-07-13 11:39:29 +0200 | [diff] [blame] | 2630 | |
Takashi Iwai | 9cbb280 | 2014-02-04 11:15:31 +0100 | [diff] [blame] | 2631 | err = snd_device_new(chip->card, SNDRV_DEV_CODEC, mixer, &dev_ops); |
Clemens Ladisch | 93446ed | 2005-05-03 08:02:40 +0200 | [diff] [blame] | 2632 | if (err < 0) |
| 2633 | goto _error; |
Jaroslav Kysela | ebfdeea | 2010-02-16 11:17:09 +0100 | [diff] [blame] | 2634 | |
| 2635 | if (list_empty(&chip->mixer_list) && |
| 2636 | !snd_card_proc_new(chip->card, "usbmixer", &entry)) |
| 2637 | snd_info_set_text_ops(entry, chip, snd_usb_mixer_proc_read); |
| 2638 | |
Clemens Ladisch | 84957a8 | 2005-04-29 16:23:13 +0200 | [diff] [blame] | 2639 | list_add(&mixer->list, &chip->mixer_list); |
| 2640 | return 0; |
Clemens Ladisch | 93446ed | 2005-05-03 08:02:40 +0200 | [diff] [blame] | 2641 | |
| 2642 | _error: |
| 2643 | snd_usb_mixer_free(mixer); |
| 2644 | return err; |
Clemens Ladisch | 84957a8 | 2005-04-29 16:23:13 +0200 | [diff] [blame] | 2645 | } |
| 2646 | |
Takashi Iwai | a6cece9 | 2014-10-31 11:24:32 +0100 | [diff] [blame] | 2647 | void snd_usb_mixer_disconnect(struct usb_mixer_interface *mixer) |
Clemens Ladisch | 84957a8 | 2005-04-29 16:23:13 +0200 | [diff] [blame] | 2648 | { |
Takashi Iwai | e0c7028 | 2017-10-10 14:10:32 +0200 | [diff] [blame] | 2649 | if (mixer->disconnected) |
| 2650 | return; |
| 2651 | if (mixer->urb) |
| 2652 | usb_kill_urb(mixer->urb); |
| 2653 | if (mixer->rc_urb) |
| 2654 | usb_kill_urb(mixer->rc_urb); |
| 2655 | mixer->disconnected = true; |
Clemens Ladisch | 84957a8 | 2005-04-29 16:23:13 +0200 | [diff] [blame] | 2656 | } |
Takashi Iwai | 400362f | 2014-01-20 16:51:16 +0100 | [diff] [blame] | 2657 | |
| 2658 | #ifdef CONFIG_PM |
| 2659 | /* stop any bus activity of a mixer */ |
| 2660 | static void snd_usb_mixer_inactivate(struct usb_mixer_interface *mixer) |
| 2661 | { |
| 2662 | usb_kill_urb(mixer->urb); |
| 2663 | usb_kill_urb(mixer->rc_urb); |
| 2664 | } |
| 2665 | |
| 2666 | static int snd_usb_mixer_activate(struct usb_mixer_interface *mixer) |
| 2667 | { |
| 2668 | int err; |
| 2669 | |
| 2670 | if (mixer->urb) { |
| 2671 | err = usb_submit_urb(mixer->urb, GFP_NOIO); |
| 2672 | if (err < 0) |
| 2673 | return err; |
| 2674 | } |
| 2675 | |
| 2676 | return 0; |
| 2677 | } |
| 2678 | |
| 2679 | int snd_usb_mixer_suspend(struct usb_mixer_interface *mixer) |
| 2680 | { |
| 2681 | snd_usb_mixer_inactivate(mixer); |
| 2682 | return 0; |
| 2683 | } |
| 2684 | |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 2685 | static int restore_mixer_value(struct usb_mixer_elem_list *list) |
Takashi Iwai | 400362f | 2014-01-20 16:51:16 +0100 | [diff] [blame] | 2686 | { |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 2687 | struct usb_mixer_elem_info *cval = (struct usb_mixer_elem_info *)list; |
Takashi Iwai | 400362f | 2014-01-20 16:51:16 +0100 | [diff] [blame] | 2688 | int c, err, idx; |
| 2689 | |
| 2690 | if (cval->cmask) { |
| 2691 | idx = 0; |
| 2692 | for (c = 0; c < MAX_CHANNELS; c++) { |
| 2693 | if (!(cval->cmask & (1 << c))) |
| 2694 | continue; |
Yao-Wen Mao | 6aa6925 | 2015-08-28 16:33:25 +0800 | [diff] [blame] | 2695 | if (cval->cached & (1 << (c + 1))) { |
Chris J Arges | eef9045 | 2014-11-12 12:07:01 -0600 | [diff] [blame] | 2696 | err = snd_usb_set_cur_mix_value(cval, c + 1, idx, |
Takashi Iwai | 400362f | 2014-01-20 16:51:16 +0100 | [diff] [blame] | 2697 | cval->cache_val[idx]); |
| 2698 | if (err < 0) |
| 2699 | return err; |
| 2700 | } |
| 2701 | idx++; |
| 2702 | } |
| 2703 | } else { |
| 2704 | /* master */ |
| 2705 | if (cval->cached) { |
Chris J Arges | eef9045 | 2014-11-12 12:07:01 -0600 | [diff] [blame] | 2706 | err = snd_usb_set_cur_mix_value(cval, 0, 0, *cval->cache_val); |
Takashi Iwai | 400362f | 2014-01-20 16:51:16 +0100 | [diff] [blame] | 2707 | if (err < 0) |
| 2708 | return err; |
| 2709 | } |
| 2710 | } |
| 2711 | |
| 2712 | return 0; |
| 2713 | } |
| 2714 | |
| 2715 | int snd_usb_mixer_resume(struct usb_mixer_interface *mixer, bool reset_resume) |
| 2716 | { |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 2717 | struct usb_mixer_elem_list *list; |
Takashi Iwai | 400362f | 2014-01-20 16:51:16 +0100 | [diff] [blame] | 2718 | int id, err; |
| 2719 | |
Takashi Iwai | 400362f | 2014-01-20 16:51:16 +0100 | [diff] [blame] | 2720 | if (reset_resume) { |
| 2721 | /* restore cached mixer values */ |
| 2722 | for (id = 0; id < MAX_ID_ELEMS; id++) { |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 2723 | for (list = mixer->id_elems[id]; list; |
| 2724 | list = list->next_id_elem) { |
| 2725 | if (list->resume) { |
| 2726 | err = list->resume(list); |
| 2727 | if (err < 0) |
| 2728 | return err; |
| 2729 | } |
Takashi Iwai | 400362f | 2014-01-20 16:51:16 +0100 | [diff] [blame] | 2730 | } |
| 2731 | } |
| 2732 | } |
| 2733 | |
| 2734 | return snd_usb_mixer_activate(mixer); |
| 2735 | } |
| 2736 | #endif |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 2737 | |
| 2738 | void snd_usb_mixer_elem_init_std(struct usb_mixer_elem_list *list, |
| 2739 | struct usb_mixer_interface *mixer, |
| 2740 | int unitid) |
| 2741 | { |
| 2742 | list->mixer = mixer; |
| 2743 | list->id = unitid; |
| 2744 | list->dump = snd_usb_mixer_dump_cval; |
| 2745 | #ifdef CONFIG_PM |
| 2746 | list->resume = restore_mixer_value; |
| 2747 | #endif |
| 2748 | } |