Thomas Gleixner | 1a59d1b8 | 2019-05-27 08:55:05 +0200 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2 | /* |
| 3 | * (Tentative) USB Audio Driver for ALSA |
| 4 | * |
| 5 | * Mixer control part |
| 6 | * |
| 7 | * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de> |
| 8 | * |
| 9 | * Many codes borrowed from audio.c by |
| 10 | * Alan Cox (alan@lxorguk.ukuu.org.uk) |
| 11 | * Thomas Sailer (sailer@ife.ee.ethz.ch) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 12 | */ |
| 13 | |
Daniel Mack | 157a57b | 2010-06-16 17:57:30 +0200 | [diff] [blame] | 14 | /* |
| 15 | * TODOs, for both the mixer and the streaming interfaces: |
| 16 | * |
| 17 | * - support for UAC2 effect units |
| 18 | * - support for graphical equalizers |
| 19 | * - RANGE and MEM set commands (UAC2) |
| 20 | * - RANGE and MEM interrupt dispatchers (UAC2) |
| 21 | * - audio channel clustering (UAC2) |
| 22 | * - audio sample rate converter units (UAC2) |
| 23 | * - proper handling of clock multipliers (UAC2) |
| 24 | * - dispatch clock change notifications (UAC2) |
| 25 | * - stop PCM streams which use a clock that became invalid |
| 26 | * - stop PCM streams which use a clock selector that has changed |
| 27 | * - parse available sample rates again when clock sources changed |
| 28 | */ |
| 29 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 30 | #include <linux/bitops.h> |
| 31 | #include <linux/init.h> |
| 32 | #include <linux/list.h> |
Daniel Mack | cddaafb | 2016-04-09 11:21:46 +0200 | [diff] [blame] | 33 | #include <linux/log2.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 34 | #include <linux/slab.h> |
| 35 | #include <linux/string.h> |
| 36 | #include <linux/usb.h> |
Daniel Mack | 28e1b77 | 2010-02-22 23:49:09 +0100 | [diff] [blame] | 37 | #include <linux/usb/audio.h> |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 38 | #include <linux/usb/audio-v2.h> |
Ruslan Bilovol | 9a2fe9b | 2018-03-21 02:03:59 +0200 | [diff] [blame] | 39 | #include <linux/usb/audio-v3.h> |
Daniel Mack | 28e1b77 | 2010-02-22 23:49:09 +0100 | [diff] [blame] | 40 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 41 | #include <sound/core.h> |
| 42 | #include <sound/control.h> |
Clemens Ladisch | b259b10 | 2005-04-29 16:29:28 +0200 | [diff] [blame] | 43 | #include <sound/hwdep.h> |
Clemens Ladisch | aafad56 | 2005-05-10 14:47:38 +0200 | [diff] [blame] | 44 | #include <sound/info.h> |
Takashi Iwai | 7bc5ba7e | 2006-07-14 15:18:19 +0200 | [diff] [blame] | 45 | #include <sound/tlv.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 46 | |
| 47 | #include "usbaudio.h" |
Daniel Mack | f0b5e63 | 2010-03-11 21:13:23 +0100 | [diff] [blame] | 48 | #include "mixer.h" |
Daniel Mack | e577999 | 2010-03-04 19:46:13 +0100 | [diff] [blame] | 49 | #include "helper.h" |
Daniel Mack | 7b1eda2 | 2010-03-11 21:13:22 +0100 | [diff] [blame] | 50 | #include "mixer_quirks.h" |
Oliver Neukum | 88a8516 | 2011-03-11 14:51:12 +0100 | [diff] [blame] | 51 | #include "power.h" |
Raimonds Cicans | 4d1a70d | 2006-05-05 09:49:53 +0200 | [diff] [blame] | 52 | |
Jaroslav Kysela | ebfdeea | 2010-02-16 11:17:09 +0100 | [diff] [blame] | 53 | #define MAX_ID_ELEMS 256 |
| 54 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 55 | struct usb_audio_term { |
| 56 | int id; |
| 57 | int type; |
| 58 | int channels; |
| 59 | unsigned int chconfig; |
| 60 | int name; |
| 61 | }; |
| 62 | |
| 63 | struct usbmix_name_map; |
| 64 | |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 65 | struct mixer_build { |
| 66 | struct snd_usb_audio *chip; |
Clemens Ladisch | 84957a8 | 2005-04-29 16:23:13 +0200 | [diff] [blame] | 67 | struct usb_mixer_interface *mixer; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 68 | unsigned char *buffer; |
| 69 | unsigned int buflen; |
Jaroslav Kysela | 291186e | 2010-02-16 11:55:18 +0100 | [diff] [blame] | 70 | DECLARE_BITMAP(unitbitmap, MAX_ID_ELEMS); |
Hui Peng | 19bce47 | 2019-08-15 00:31:34 -0400 | [diff] [blame] | 71 | DECLARE_BITMAP(termbitmap, MAX_ID_ELEMS); |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 72 | struct usb_audio_term oterm; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 73 | const struct usbmix_name_map *map; |
Clemens Ladisch | 8e062ec | 2005-04-22 15:49:52 +0200 | [diff] [blame] | 74 | const struct usbmix_selector_map *selector_map; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 75 | }; |
| 76 | |
Joseph Teichman | 1cdfa9f | 2011-02-08 01:22:36 -0500 | [diff] [blame] | 77 | /*E-mu 0202/0404/0204 eXtension Unit(XU) control*/ |
Sergiy Kovalchuk | 7d2b451 | 2009-12-27 09:13:41 -0800 | [diff] [blame] | 78 | enum { |
| 79 | USB_XU_CLOCK_RATE = 0xe301, |
| 80 | USB_XU_CLOCK_SOURCE = 0xe302, |
| 81 | USB_XU_DIGITAL_IO_STATUS = 0xe303, |
| 82 | USB_XU_DEVICE_OPTIONS = 0xe304, |
| 83 | USB_XU_DIRECT_MONITORING = 0xe305, |
| 84 | USB_XU_METERING = 0xe306 |
| 85 | }; |
| 86 | enum { |
| 87 | USB_XU_CLOCK_SOURCE_SELECTOR = 0x02, /* clock source*/ |
| 88 | USB_XU_CLOCK_RATE_SELECTOR = 0x03, /* clock rate */ |
| 89 | USB_XU_DIGITAL_FORMAT_SELECTOR = 0x01, /* the spdif format */ |
| 90 | USB_XU_SOFT_LIMIT_SELECTOR = 0x03 /* soft limiter */ |
| 91 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 92 | |
| 93 | /* |
| 94 | * manual mapping of mixer names |
| 95 | * if the mixer topology is too complicated and the parsed names are |
| 96 | * ambiguous, add the entries in usbmixer_maps.c. |
| 97 | */ |
Daniel Mack | f0b5e63 | 2010-03-11 21:13:23 +0100 | [diff] [blame] | 98 | #include "mixer_maps.c" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 99 | |
Jaroslav Kysela | c3a3e04 | 2010-02-11 17:50:44 +0100 | [diff] [blame] | 100 | static const struct usbmix_name_map * |
Ruslan Bilovol | 17156f2 | 2018-05-04 04:24:04 +0300 | [diff] [blame] | 101 | find_map(const struct usbmix_name_map *p, int unitid, int control) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 102 | { |
Jaroslav Kysela | c3a3e04 | 2010-02-11 17:50:44 +0100 | [diff] [blame] | 103 | if (!p) |
| 104 | return NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 105 | |
Ruslan Bilovol | 17156f2 | 2018-05-04 04:24:04 +0300 | [diff] [blame] | 106 | for (; p->id; p++) { |
Jaroslav Kysela | c3a3e04 | 2010-02-11 17:50:44 +0100 | [diff] [blame] | 107 | if (p->id == unitid && |
| 108 | (!control || !p->control || control == p->control)) |
| 109 | return p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 110 | } |
Jaroslav Kysela | c3a3e04 | 2010-02-11 17:50:44 +0100 | [diff] [blame] | 111 | return NULL; |
| 112 | } |
| 113 | |
| 114 | /* get the mapped name if the unit matches */ |
| 115 | static int |
| 116 | check_mapped_name(const struct usbmix_name_map *p, char *buf, int buflen) |
| 117 | { |
Takashi Iwai | e8afdfd | 2021-01-15 10:57:58 +0100 | [diff] [blame] | 118 | int len; |
| 119 | |
Jaroslav Kysela | c3a3e04 | 2010-02-11 17:50:44 +0100 | [diff] [blame] | 120 | if (!p || !p->name) |
| 121 | return 0; |
| 122 | |
| 123 | buflen--; |
Takashi Iwai | e8afdfd | 2021-01-15 10:57:58 +0100 | [diff] [blame] | 124 | len = strscpy(buf, p->name, buflen); |
| 125 | return len < 0 ? buflen : len; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 126 | } |
| 127 | |
Takashi Iwai | 5aeee34 | 2014-11-18 11:02:14 +0100 | [diff] [blame] | 128 | /* ignore the error value if ignore_ctl_error flag is set */ |
| 129 | #define filter_error(cval, err) \ |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 130 | ((cval)->head.mixer->ignore_ctl_error ? 0 : (err)) |
Takashi Iwai | 5aeee34 | 2014-11-18 11:02:14 +0100 | [diff] [blame] | 131 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 132 | /* check whether the control should be ignored */ |
Jaroslav Kysela | c3a3e04 | 2010-02-11 17:50:44 +0100 | [diff] [blame] | 133 | static inline int |
| 134 | check_ignored_ctl(const struct usbmix_name_map *p) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 135 | { |
Jaroslav Kysela | c3a3e04 | 2010-02-11 17:50:44 +0100 | [diff] [blame] | 136 | if (!p || p->name || p->dB) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 137 | return 0; |
Jaroslav Kysela | c3a3e04 | 2010-02-11 17:50:44 +0100 | [diff] [blame] | 138 | return 1; |
| 139 | } |
| 140 | |
| 141 | /* dB mapping */ |
| 142 | static inline void check_mapped_dB(const struct usbmix_name_map *p, |
| 143 | struct usb_mixer_elem_info *cval) |
| 144 | { |
| 145 | if (p && p->dB) { |
| 146 | cval->dBmin = p->dB->min; |
| 147 | cval->dBmax = p->dB->max; |
Takashi Iwai | 85b741c | 2021-11-16 07:54:14 +0100 | [diff] [blame] | 148 | cval->min_mute = p->dB->min_mute; |
Takashi Iwai | 38b6519 | 2011-08-19 07:55:10 +0200 | [diff] [blame] | 149 | cval->initialized = 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 150 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 151 | } |
| 152 | |
Clemens Ladisch | 8e062ec | 2005-04-22 15:49:52 +0200 | [diff] [blame] | 153 | /* get the mapped selector source name */ |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 154 | static int check_mapped_selector_name(struct mixer_build *state, int unitid, |
Clemens Ladisch | 8e062ec | 2005-04-22 15:49:52 +0200 | [diff] [blame] | 155 | int index, char *buf, int buflen) |
| 156 | { |
| 157 | const struct usbmix_selector_map *p; |
Takashi Iwai | e8afdfd | 2021-01-15 10:57:58 +0100 | [diff] [blame] | 158 | int len; |
Clemens Ladisch | 8e062ec | 2005-04-22 15:49:52 +0200 | [diff] [blame] | 159 | |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 160 | if (!state->selector_map) |
Clemens Ladisch | 8e062ec | 2005-04-22 15:49:52 +0200 | [diff] [blame] | 161 | return 0; |
| 162 | for (p = state->selector_map; p->id; p++) { |
Takashi Iwai | e8afdfd | 2021-01-15 10:57:58 +0100 | [diff] [blame] | 163 | if (p->id == unitid && index < p->count) { |
| 164 | len = strscpy(buf, p->names[index], buflen); |
| 165 | return len < 0 ? buflen : len; |
| 166 | } |
Clemens Ladisch | 8e062ec | 2005-04-22 15:49:52 +0200 | [diff] [blame] | 167 | } |
| 168 | return 0; |
| 169 | } |
| 170 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 171 | /* |
| 172 | * find an audio control unit with the given unit id |
| 173 | */ |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 174 | static void *find_audio_control_unit(struct mixer_build *state, |
| 175 | unsigned char unit) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 176 | { |
Daniel Mack | 67e1daa | 2010-05-31 13:35:43 +0200 | [diff] [blame] | 177 | /* we just parse the header */ |
| 178 | struct uac_feature_unit_descriptor *hdr = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 179 | |
Daniel Mack | 67e1daa | 2010-05-31 13:35:43 +0200 | [diff] [blame] | 180 | while ((hdr = snd_usb_find_desc(state->buffer, state->buflen, hdr, |
| 181 | USB_DT_CS_INTERFACE)) != NULL) { |
| 182 | if (hdr->bLength >= 4 && |
| 183 | hdr->bDescriptorSubtype >= UAC_INPUT_TERMINAL && |
Ruslan Bilovol | 9a2fe9b | 2018-03-21 02:03:59 +0200 | [diff] [blame] | 184 | hdr->bDescriptorSubtype <= UAC3_SAMPLE_RATE_CONVERTER && |
Daniel Mack | 67e1daa | 2010-05-31 13:35:43 +0200 | [diff] [blame] | 185 | hdr->bUnitID == unit) |
| 186 | return hdr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 187 | } |
Daniel Mack | 67e1daa | 2010-05-31 13:35:43 +0200 | [diff] [blame] | 188 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 189 | return NULL; |
| 190 | } |
| 191 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 192 | /* |
| 193 | * copy a string with the given id |
| 194 | */ |
Ruslan Bilovol | eccfc1b | 2018-05-04 04:24:02 +0300 | [diff] [blame] | 195 | static int snd_usb_copy_string_desc(struct snd_usb_audio *chip, |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 196 | int index, char *buf, int maxlen) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 197 | { |
Ruslan Bilovol | eccfc1b | 2018-05-04 04:24:02 +0300 | [diff] [blame] | 198 | int len = usb_string(chip->dev, index, buf, maxlen - 1); |
Jaejoong Kim | 251552a | 2017-12-04 15:31:48 +0900 | [diff] [blame] | 199 | |
| 200 | if (len < 0) |
| 201 | return 0; |
| 202 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 203 | buf[len] = 0; |
| 204 | return len; |
| 205 | } |
| 206 | |
| 207 | /* |
| 208 | * convert from the byte/word on usb descriptor to the zero-based integer |
| 209 | */ |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 210 | 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] | 211 | { |
| 212 | switch (cval->val_type) { |
| 213 | case USB_MIXER_BOOLEAN: |
| 214 | return !!val; |
| 215 | case USB_MIXER_INV_BOOLEAN: |
| 216 | return !val; |
| 217 | case USB_MIXER_U8: |
| 218 | val &= 0xff; |
| 219 | break; |
| 220 | case USB_MIXER_S8: |
| 221 | val &= 0xff; |
| 222 | if (val >= 0x80) |
| 223 | val -= 0x100; |
| 224 | break; |
| 225 | case USB_MIXER_U16: |
| 226 | val &= 0xffff; |
| 227 | break; |
| 228 | case USB_MIXER_S16: |
| 229 | val &= 0xffff; |
| 230 | if (val >= 0x8000) |
| 231 | val -= 0x10000; |
| 232 | break; |
| 233 | } |
| 234 | return val; |
| 235 | } |
| 236 | |
| 237 | /* |
| 238 | * convert from the zero-based int to the byte/word for usb descriptor |
| 239 | */ |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 240 | 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] | 241 | { |
| 242 | switch (cval->val_type) { |
| 243 | case USB_MIXER_BOOLEAN: |
| 244 | return !!val; |
| 245 | case USB_MIXER_INV_BOOLEAN: |
| 246 | return !val; |
| 247 | case USB_MIXER_S8: |
| 248 | case USB_MIXER_U8: |
| 249 | return val & 0xff; |
| 250 | case USB_MIXER_S16: |
| 251 | case USB_MIXER_U16: |
| 252 | return val & 0xffff; |
| 253 | } |
| 254 | return 0; /* not reached */ |
| 255 | } |
| 256 | |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 257 | 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] | 258 | { |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 259 | if (!cval->res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 260 | cval->res = 1; |
| 261 | if (val < cval->min) |
| 262 | return 0; |
Takashi Iwai | 14790f1 | 2006-03-28 17:58:28 +0200 | [diff] [blame] | 263 | else if (val >= cval->max) |
Lars-Peter Clausen | e4d8aef | 2020-12-23 18:22:22 +0100 | [diff] [blame] | 264 | return DIV_ROUND_UP(cval->max - cval->min, cval->res); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 265 | else |
| 266 | return (val - cval->min) / cval->res; |
| 267 | } |
| 268 | |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 269 | 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] | 270 | { |
| 271 | if (val < 0) |
| 272 | return cval->min; |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 273 | if (!cval->res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 274 | cval->res = 1; |
| 275 | val *= cval->res; |
| 276 | val += cval->min; |
| 277 | if (val > cval->max) |
| 278 | return cval->max; |
| 279 | return val; |
| 280 | } |
| 281 | |
Julian Scheel | bc18e31 | 2015-08-14 16:14:45 +0200 | [diff] [blame] | 282 | static int uac2_ctl_value_size(int val_type) |
| 283 | { |
| 284 | switch (val_type) { |
| 285 | case USB_MIXER_S32: |
| 286 | case USB_MIXER_U32: |
| 287 | return 4; |
| 288 | case USB_MIXER_S16: |
| 289 | case USB_MIXER_U16: |
| 290 | return 2; |
| 291 | default: |
| 292 | return 1; |
| 293 | } |
| 294 | return 0; /* unreachable */ |
| 295 | } |
| 296 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 297 | |
| 298 | /* |
| 299 | * retrieve a mixer value |
| 300 | */ |
| 301 | |
Chris Wulff | 0aef31b | 2020-03-14 12:54:48 -0400 | [diff] [blame] | 302 | static inline int mixer_ctrl_intf(struct usb_mixer_interface *mixer) |
| 303 | { |
| 304 | return get_iface_desc(mixer->hostif)->bInterfaceNumber; |
| 305 | } |
| 306 | |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 307 | static int get_ctl_value_v1(struct usb_mixer_elem_info *cval, int request, |
| 308 | int validx, int *value_ret) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 309 | { |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 310 | struct snd_usb_audio *chip = cval->head.mixer->chip; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 311 | unsigned char buf[2]; |
| 312 | int val_len = cval->val_type >= USB_MIXER_S16 ? 2 : 1; |
| 313 | int timeout = 10; |
Takashi Iwai | 978520b | 2012-10-12 15:12:55 +0200 | [diff] [blame] | 314 | int idx = 0, err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 315 | |
Takashi Iwai | 47ab154 | 2015-08-25 16:09:00 +0200 | [diff] [blame] | 316 | err = snd_usb_lock_shutdown(chip); |
Oliver Neukum | 88a8516 | 2011-03-11 14:51:12 +0100 | [diff] [blame] | 317 | if (err < 0) |
| 318 | return -EIO; |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 319 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 320 | while (timeout-- > 0) { |
Chris Wulff | 0aef31b | 2020-03-14 12:54:48 -0400 | [diff] [blame] | 321 | idx = mixer_ctrl_intf(cval->head.mixer) | (cval->head.id << 8); |
Stephen Barber | 5a9a8ec | 2017-08-17 15:17:46 -0700 | [diff] [blame] | 322 | err = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), request, |
| 323 | USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, |
| 324 | validx, idx, buf, val_len); |
| 325 | if (err >= val_len) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 326 | *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] | 327 | err = 0; |
| 328 | goto out; |
Stephen Barber | 5a9a8ec | 2017-08-17 15:17:46 -0700 | [diff] [blame] | 329 | } else if (err == -ETIMEDOUT) { |
| 330 | goto out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 331 | } |
| 332 | } |
Takashi Iwai | 0ba41d9 | 2014-02-26 13:02:17 +0100 | [diff] [blame] | 333 | usb_audio_dbg(chip, |
| 334 | "cannot get ctl value: req = %#x, wValue = %#x, wIndex = %#x, type = %d\n", |
| 335 | request, validx, idx, cval->val_type); |
Takashi Iwai | 978520b | 2012-10-12 15:12:55 +0200 | [diff] [blame] | 336 | err = -EINVAL; |
| 337 | |
| 338 | out: |
Takashi Iwai | 47ab154 | 2015-08-25 16:09:00 +0200 | [diff] [blame] | 339 | snd_usb_unlock_shutdown(chip); |
Takashi Iwai | 978520b | 2012-10-12 15:12:55 +0200 | [diff] [blame] | 340 | return err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 341 | } |
| 342 | |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 343 | static int get_ctl_value_v2(struct usb_mixer_elem_info *cval, int request, |
| 344 | int validx, int *value_ret) |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 345 | { |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 346 | struct snd_usb_audio *chip = cval->head.mixer->chip; |
Kirill Marinushkin | 447cae5 | 2018-01-29 06:37:55 +0100 | [diff] [blame] | 347 | /* enough space for one range */ |
| 348 | unsigned char buf[sizeof(__u16) + 3 * sizeof(__u32)]; |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 349 | unsigned char *val; |
Kirill Marinushkin | 447cae5 | 2018-01-29 06:37:55 +0100 | [diff] [blame] | 350 | int idx = 0, ret, val_size, size; |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 351 | __u8 bRequest; |
| 352 | |
Kirill Marinushkin | 447cae5 | 2018-01-29 06:37:55 +0100 | [diff] [blame] | 353 | val_size = uac2_ctl_value_size(cval->val_type); |
| 354 | |
Daniel Mack | e8bdb6b | 2010-06-11 17:34:22 +0200 | [diff] [blame] | 355 | if (request == UAC_GET_CUR) { |
| 356 | bRequest = UAC2_CS_CUR; |
Kirill Marinushkin | 447cae5 | 2018-01-29 06:37:55 +0100 | [diff] [blame] | 357 | size = val_size; |
Daniel Mack | e8bdb6b | 2010-06-11 17:34:22 +0200 | [diff] [blame] | 358 | } else { |
| 359 | bRequest = UAC2_CS_RANGE; |
Kirill Marinushkin | 447cae5 | 2018-01-29 06:37:55 +0100 | [diff] [blame] | 360 | size = sizeof(__u16) + 3 * val_size; |
Daniel Mack | e8bdb6b | 2010-06-11 17:34:22 +0200 | [diff] [blame] | 361 | } |
| 362 | |
| 363 | memset(buf, 0, sizeof(buf)); |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 364 | |
Takashi Iwai | 509975c | 2021-10-14 15:06:35 +0200 | [diff] [blame] | 365 | if (snd_usb_lock_shutdown(chip)) |
| 366 | return -EIO; |
Oliver Neukum | 88a8516 | 2011-03-11 14:51:12 +0100 | [diff] [blame] | 367 | |
Chris Wulff | 0aef31b | 2020-03-14 12:54:48 -0400 | [diff] [blame] | 368 | idx = mixer_ctrl_intf(cval->head.mixer) | (cval->head.id << 8); |
Takashi Iwai | 47ab154 | 2015-08-25 16:09:00 +0200 | [diff] [blame] | 369 | 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] | 370 | USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, |
Takashi Iwai | 978520b | 2012-10-12 15:12:55 +0200 | [diff] [blame] | 371 | validx, idx, buf, size); |
Takashi Iwai | 47ab154 | 2015-08-25 16:09:00 +0200 | [diff] [blame] | 372 | snd_usb_unlock_shutdown(chip); |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 373 | |
| 374 | if (ret < 0) { |
Takashi Iwai | ac9b019 | 2021-10-14 15:06:34 +0200 | [diff] [blame] | 375 | usb_audio_dbg(chip, |
Takashi Iwai | 0ba41d9 | 2014-02-26 13:02:17 +0100 | [diff] [blame] | 376 | "cannot get ctl value: req = %#x, wValue = %#x, wIndex = %#x, type = %d\n", |
| 377 | request, validx, idx, cval->val_type); |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 378 | return ret; |
| 379 | } |
| 380 | |
Daniel Mack | e8bdb6b | 2010-06-11 17:34:22 +0200 | [diff] [blame] | 381 | /* FIXME: how should we handle multiple triplets here? */ |
| 382 | |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 383 | switch (request) { |
| 384 | case UAC_GET_CUR: |
| 385 | val = buf; |
| 386 | break; |
| 387 | case UAC_GET_MIN: |
| 388 | val = buf + sizeof(__u16); |
| 389 | break; |
| 390 | case UAC_GET_MAX: |
Kirill Marinushkin | 447cae5 | 2018-01-29 06:37:55 +0100 | [diff] [blame] | 391 | val = buf + sizeof(__u16) + val_size; |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 392 | break; |
| 393 | case UAC_GET_RES: |
Kirill Marinushkin | 447cae5 | 2018-01-29 06:37:55 +0100 | [diff] [blame] | 394 | val = buf + sizeof(__u16) + val_size * 2; |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 395 | break; |
| 396 | default: |
| 397 | return -EINVAL; |
| 398 | } |
| 399 | |
Kirill Marinushkin | 447cae5 | 2018-01-29 06:37:55 +0100 | [diff] [blame] | 400 | *value_ret = convert_signed_value(cval, |
| 401 | snd_usb_combine_bytes(val, val_size)); |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 402 | |
| 403 | return 0; |
| 404 | } |
| 405 | |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 406 | static int get_ctl_value(struct usb_mixer_elem_info *cval, int request, |
| 407 | int validx, int *value_ret) |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 408 | { |
Eldad Zack | 9f81410 | 2012-11-28 23:55:35 +0100 | [diff] [blame] | 409 | validx += cval->idx_off; |
| 410 | |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 411 | return (cval->head.mixer->protocol == UAC_VERSION_1) ? |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 412 | get_ctl_value_v1(cval, request, validx, value_ret) : |
| 413 | get_ctl_value_v2(cval, request, validx, value_ret); |
| 414 | } |
| 415 | |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 416 | static int get_cur_ctl_value(struct usb_mixer_elem_info *cval, |
| 417 | int validx, int *value) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 418 | { |
Daniel Mack | de48c7b | 2010-02-22 23:49:13 +0100 | [diff] [blame] | 419 | return get_ctl_value(cval, UAC_GET_CUR, validx, value); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 420 | } |
| 421 | |
| 422 | /* channel = 0: master, 1 = first channel */ |
Takashi Iwai | 641b487 | 2009-01-15 17:05:24 +0100 | [diff] [blame] | 423 | static inline int get_cur_mix_raw(struct usb_mixer_elem_info *cval, |
| 424 | int channel, int *value) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 425 | { |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 426 | return get_ctl_value(cval, UAC_GET_CUR, |
| 427 | (cval->control << 8) | channel, |
| 428 | value); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 429 | } |
| 430 | |
Chris J Arges | eef9045 | 2014-11-12 12:07:01 -0600 | [diff] [blame] | 431 | 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] | 432 | int channel, int index, int *value) |
| 433 | { |
| 434 | int err; |
| 435 | |
Takashi Iwai | e54dc3431 | 2024-07-15 14:36:45 +0200 | [diff] [blame] | 436 | if (cval->cached & BIT(channel)) { |
Takashi Iwai | 641b487 | 2009-01-15 17:05:24 +0100 | [diff] [blame] | 437 | *value = cval->cache_val[index]; |
| 438 | return 0; |
| 439 | } |
| 440 | err = get_cur_mix_raw(cval, channel, value); |
| 441 | if (err < 0) { |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 442 | if (!cval->head.mixer->ignore_ctl_error) |
| 443 | usb_audio_dbg(cval->head.mixer->chip, |
Takashi Iwai | 0ba41d9 | 2014-02-26 13:02:17 +0100 | [diff] [blame] | 444 | "cannot get current value for control %d ch %d: err = %d\n", |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 445 | cval->control, channel, err); |
Takashi Iwai | 641b487 | 2009-01-15 17:05:24 +0100 | [diff] [blame] | 446 | return err; |
| 447 | } |
Takashi Iwai | e54dc3431 | 2024-07-15 14:36:45 +0200 | [diff] [blame] | 448 | cval->cached |= BIT(channel); |
Takashi Iwai | 641b487 | 2009-01-15 17:05:24 +0100 | [diff] [blame] | 449 | cval->cache_val[index] = *value; |
| 450 | return 0; |
| 451 | } |
| 452 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 453 | /* |
| 454 | * set a mixer value |
| 455 | */ |
| 456 | |
Daniel Mack | 7b1eda2 | 2010-03-11 21:13:22 +0100 | [diff] [blame] | 457 | int snd_usb_mixer_set_ctl_value(struct usb_mixer_elem_info *cval, |
| 458 | int request, int validx, int value_set) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 459 | { |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 460 | struct snd_usb_audio *chip = cval->head.mixer->chip; |
Julian Scheel | bc18e31 | 2015-08-14 16:14:45 +0200 | [diff] [blame] | 461 | unsigned char buf[4]; |
Takashi Iwai | 978520b | 2012-10-12 15:12:55 +0200 | [diff] [blame] | 462 | int idx = 0, val_len, err, timeout = 10; |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 463 | |
Eldad Zack | 9f81410 | 2012-11-28 23:55:35 +0100 | [diff] [blame] | 464 | validx += cval->idx_off; |
| 465 | |
Ruslan Bilovol | 9a2fe9b | 2018-03-21 02:03:59 +0200 | [diff] [blame] | 466 | |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 467 | if (cval->head.mixer->protocol == UAC_VERSION_1) { |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 468 | val_len = cval->val_type >= USB_MIXER_S16 ? 2 : 1; |
Ruslan Bilovol | 9a2fe9b | 2018-03-21 02:03:59 +0200 | [diff] [blame] | 469 | } else { /* UAC_VERSION_2/3 */ |
Julian Scheel | bc18e31 | 2015-08-14 16:14:45 +0200 | [diff] [blame] | 470 | val_len = uac2_ctl_value_size(cval->val_type); |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 471 | |
| 472 | /* FIXME */ |
| 473 | if (request != UAC_SET_CUR) { |
Takashi Iwai | 0ba41d9 | 2014-02-26 13:02:17 +0100 | [diff] [blame] | 474 | usb_audio_dbg(chip, "RANGE setting not yet supported\n"); |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 475 | return -EINVAL; |
| 476 | } |
| 477 | |
| 478 | request = UAC2_CS_CUR; |
| 479 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 480 | |
| 481 | value_set = convert_bytes_value(cval, value_set); |
| 482 | buf[0] = value_set & 0xff; |
| 483 | buf[1] = (value_set >> 8) & 0xff; |
Julian Scheel | bc18e31 | 2015-08-14 16:14:45 +0200 | [diff] [blame] | 484 | buf[2] = (value_set >> 16) & 0xff; |
| 485 | buf[3] = (value_set >> 24) & 0xff; |
Takashi Iwai | 47ab154 | 2015-08-25 16:09:00 +0200 | [diff] [blame] | 486 | |
| 487 | err = snd_usb_lock_shutdown(chip); |
Oliver Neukum | 88a8516 | 2011-03-11 14:51:12 +0100 | [diff] [blame] | 488 | if (err < 0) |
| 489 | return -EIO; |
Takashi Iwai | 47ab154 | 2015-08-25 16:09:00 +0200 | [diff] [blame] | 490 | |
Takashi Iwai | 978520b | 2012-10-12 15:12:55 +0200 | [diff] [blame] | 491 | while (timeout-- > 0) { |
Chris Wulff | 0aef31b | 2020-03-14 12:54:48 -0400 | [diff] [blame] | 492 | idx = mixer_ctrl_intf(cval->head.mixer) | (cval->head.id << 8); |
Stephen Barber | 5a9a8ec | 2017-08-17 15:17:46 -0700 | [diff] [blame] | 493 | err = snd_usb_ctl_msg(chip->dev, |
| 494 | usb_sndctrlpipe(chip->dev, 0), request, |
| 495 | USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT, |
| 496 | validx, idx, buf, val_len); |
| 497 | if (err >= 0) { |
Takashi Iwai | 978520b | 2012-10-12 15:12:55 +0200 | [diff] [blame] | 498 | err = 0; |
| 499 | goto out; |
Stephen Barber | 5a9a8ec | 2017-08-17 15:17:46 -0700 | [diff] [blame] | 500 | } else if (err == -ETIMEDOUT) { |
| 501 | goto out; |
Oliver Neukum | 88a8516 | 2011-03-11 14:51:12 +0100 | [diff] [blame] | 502 | } |
Takashi Iwai | 978520b | 2012-10-12 15:12:55 +0200 | [diff] [blame] | 503 | } |
Takashi Iwai | 0ba41d9 | 2014-02-26 13:02:17 +0100 | [diff] [blame] | 504 | 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] | 505 | request, validx, idx, cval->val_type, buf[0], buf[1]); |
Takashi Iwai | 978520b | 2012-10-12 15:12:55 +0200 | [diff] [blame] | 506 | err = -EINVAL; |
| 507 | |
| 508 | out: |
Takashi Iwai | 47ab154 | 2015-08-25 16:09:00 +0200 | [diff] [blame] | 509 | snd_usb_unlock_shutdown(chip); |
Takashi Iwai | 978520b | 2012-10-12 15:12:55 +0200 | [diff] [blame] | 510 | return err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 511 | } |
| 512 | |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 513 | static int set_cur_ctl_value(struct usb_mixer_elem_info *cval, |
| 514 | int validx, int value) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 515 | { |
Daniel Mack | 7b1eda2 | 2010-03-11 21:13:22 +0100 | [diff] [blame] | 516 | 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] | 517 | } |
| 518 | |
Chris J Arges | eef9045 | 2014-11-12 12:07:01 -0600 | [diff] [blame] | 519 | 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] | 520 | int index, int value) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 521 | { |
Takashi Iwai | 641b487 | 2009-01-15 17:05:24 +0100 | [diff] [blame] | 522 | int err; |
Daniel Mack | a6a3325 | 2010-05-31 13:35:37 +0200 | [diff] [blame] | 523 | unsigned int read_only = (channel == 0) ? |
| 524 | cval->master_readonly : |
Takashi Iwai | e54dc3431 | 2024-07-15 14:36:45 +0200 | [diff] [blame] | 525 | cval->ch_readonly & BIT(channel - 1); |
Daniel Mack | a6a3325 | 2010-05-31 13:35:37 +0200 | [diff] [blame] | 526 | |
| 527 | if (read_only) { |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 528 | usb_audio_dbg(cval->head.mixer->chip, |
Takashi Iwai | 0ba41d9 | 2014-02-26 13:02:17 +0100 | [diff] [blame] | 529 | "%s(): channel %d of control %d is read_only\n", |
Daniel Mack | a6a3325 | 2010-05-31 13:35:37 +0200 | [diff] [blame] | 530 | __func__, channel, cval->control); |
| 531 | return 0; |
| 532 | } |
| 533 | |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 534 | err = snd_usb_mixer_set_ctl_value(cval, |
| 535 | UAC_SET_CUR, (cval->control << 8) | channel, |
| 536 | value); |
Takashi Iwai | 641b487 | 2009-01-15 17:05:24 +0100 | [diff] [blame] | 537 | if (err < 0) |
| 538 | return err; |
Takashi Iwai | e54dc3431 | 2024-07-15 14:36:45 +0200 | [diff] [blame] | 539 | cval->cached |= BIT(channel); |
Takashi Iwai | 641b487 | 2009-01-15 17:05:24 +0100 | [diff] [blame] | 540 | cval->cache_val[index] = value; |
| 541 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 542 | } |
| 543 | |
Takashi Iwai | 7bc5ba7e | 2006-07-14 15:18:19 +0200 | [diff] [blame] | 544 | /* |
| 545 | * TLV callback for mixer volume controls |
| 546 | */ |
Felix Homann | 285de9c | 2012-04-23 20:24:24 +0200 | [diff] [blame] | 547 | 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] | 548 | unsigned int size, unsigned int __user *_tlv) |
| 549 | { |
| 550 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
Takashi Iwai | b8e1c73 | 2009-06-16 14:04:37 +0200 | [diff] [blame] | 551 | DECLARE_TLV_DB_MINMAX(scale, 0, 0); |
Takashi Iwai | 7bc5ba7e | 2006-07-14 15:18:19 +0200 | [diff] [blame] | 552 | |
| 553 | if (size < sizeof(scale)) |
| 554 | return -ENOMEM; |
Takashi Iwai | 0f174b3 | 2017-08-16 14:18:37 +0200 | [diff] [blame] | 555 | if (cval->min_mute) |
| 556 | scale[0] = SNDRV_CTL_TLVT_DB_MINMAX_MUTE; |
Jaroslav Kysela | c3a3e04 | 2010-02-11 17:50:44 +0100 | [diff] [blame] | 557 | scale[2] = cval->dBmin; |
| 558 | scale[3] = cval->dBmax; |
Takashi Iwai | 7bc5ba7e | 2006-07-14 15:18:19 +0200 | [diff] [blame] | 559 | if (copy_to_user(_tlv, scale, sizeof(scale))) |
| 560 | return -EFAULT; |
| 561 | return 0; |
| 562 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 563 | |
| 564 | /* |
| 565 | * parser routines begin here... |
| 566 | */ |
| 567 | |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 568 | static int parse_audio_unit(struct mixer_build *state, int unitid); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 569 | |
| 570 | |
| 571 | /* |
| 572 | * check if the input/output channel routing is enabled on the given bitmap. |
| 573 | * used for mixer unit parser |
| 574 | */ |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 575 | static int check_matrix_bitmap(unsigned char *bmap, |
| 576 | int ich, int och, int num_outs) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 577 | { |
| 578 | int idx = ich * num_outs + och; |
| 579 | return bmap[idx >> 3] & (0x80 >> (idx & 7)); |
| 580 | } |
| 581 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 582 | /* |
| 583 | * add an alsa control element |
| 584 | * search and increment the index until an empty slot is found. |
| 585 | * |
| 586 | * if failed, give up and free the control instance. |
| 587 | */ |
| 588 | |
Takashi Iwai | 220345e | 2020-06-24 14:23:40 +0200 | [diff] [blame] | 589 | int snd_usb_mixer_add_list(struct usb_mixer_elem_list *list, |
| 590 | struct snd_kcontrol *kctl, |
| 591 | bool is_std_info) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 592 | { |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 593 | struct usb_mixer_interface *mixer = list->mixer; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 594 | int err; |
Clemens Ladisch | 84957a8 | 2005-04-29 16:23:13 +0200 | [diff] [blame] | 595 | |
Daniel Mack | ef9d597 | 2011-05-25 09:09:00 +0200 | [diff] [blame] | 596 | while (snd_ctl_find_id(mixer->chip->card, &kctl->id)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 597 | kctl->id.index++; |
Takashi Iwai | f25ecf8 | 2018-05-27 15:18:22 +0200 | [diff] [blame] | 598 | err = snd_ctl_add(mixer->chip->card, kctl); |
| 599 | if (err < 0) { |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 600 | usb_audio_dbg(mixer->chip, "cannot add control (err = %d)\n", |
| 601 | err); |
Clemens Ladisch | 6639b6c | 2005-04-29 16:26:14 +0200 | [diff] [blame] | 602 | return err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 603 | } |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 604 | list->kctl = kctl; |
Takashi Iwai | 220345e | 2020-06-24 14:23:40 +0200 | [diff] [blame] | 605 | list->is_std_info = is_std_info; |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 606 | list->next_id_elem = mixer->id_elems[list->id]; |
| 607 | mixer->id_elems[list->id] = list; |
Clemens Ladisch | 6639b6c | 2005-04-29 16:26:14 +0200 | [diff] [blame] | 608 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 609 | } |
| 610 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 611 | /* |
| 612 | * get a terminal name string |
| 613 | */ |
| 614 | |
| 615 | static struct iterm_name_combo { |
| 616 | int type; |
| 617 | char *name; |
| 618 | } iterm_names[] = { |
| 619 | { 0x0300, "Output" }, |
| 620 | { 0x0301, "Speaker" }, |
| 621 | { 0x0302, "Headphone" }, |
| 622 | { 0x0303, "HMD Audio" }, |
| 623 | { 0x0304, "Desktop Speaker" }, |
| 624 | { 0x0305, "Room Speaker" }, |
| 625 | { 0x0306, "Com Speaker" }, |
| 626 | { 0x0307, "LFE" }, |
| 627 | { 0x0600, "External In" }, |
| 628 | { 0x0601, "Analog In" }, |
| 629 | { 0x0602, "Digital In" }, |
| 630 | { 0x0603, "Line" }, |
| 631 | { 0x0604, "Legacy In" }, |
| 632 | { 0x0605, "IEC958 In" }, |
| 633 | { 0x0606, "1394 DA Stream" }, |
| 634 | { 0x0607, "1394 DV Stream" }, |
| 635 | { 0x0700, "Embedded" }, |
| 636 | { 0x0701, "Noise Source" }, |
| 637 | { 0x0702, "Equalization Noise" }, |
| 638 | { 0x0703, "CD" }, |
| 639 | { 0x0704, "DAT" }, |
| 640 | { 0x0705, "DCC" }, |
| 641 | { 0x0706, "MiniDisk" }, |
| 642 | { 0x0707, "Analog Tape" }, |
| 643 | { 0x0708, "Phonograph" }, |
| 644 | { 0x0709, "VCR Audio" }, |
| 645 | { 0x070a, "Video Disk Audio" }, |
| 646 | { 0x070b, "DVD Audio" }, |
| 647 | { 0x070c, "TV Tuner Audio" }, |
| 648 | { 0x070d, "Satellite Rec Audio" }, |
| 649 | { 0x070e, "Cable Tuner Audio" }, |
| 650 | { 0x070f, "DSS Audio" }, |
| 651 | { 0x0710, "Radio Receiver" }, |
| 652 | { 0x0711, "Radio Transmitter" }, |
| 653 | { 0x0712, "Multi-Track Recorder" }, |
| 654 | { 0x0713, "Synthesizer" }, |
| 655 | { 0 }, |
| 656 | }; |
| 657 | |
Ruslan Bilovol | eccfc1b | 2018-05-04 04:24:02 +0300 | [diff] [blame] | 658 | static int get_term_name(struct snd_usb_audio *chip, struct usb_audio_term *iterm, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 659 | unsigned char *name, int maxlen, int term_only) |
| 660 | { |
| 661 | struct iterm_name_combo *names; |
Takashi Iwai | 56a23ee | 2017-12-19 13:38:23 +0100 | [diff] [blame] | 662 | int len; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 663 | |
Takashi Iwai | 56a23ee | 2017-12-19 13:38:23 +0100 | [diff] [blame] | 664 | if (iterm->name) { |
Ruslan Bilovol | eccfc1b | 2018-05-04 04:24:02 +0300 | [diff] [blame] | 665 | len = snd_usb_copy_string_desc(chip, iterm->name, |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 666 | name, maxlen); |
Takashi Iwai | 56a23ee | 2017-12-19 13:38:23 +0100 | [diff] [blame] | 667 | if (len) |
| 668 | return len; |
| 669 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 670 | |
| 671 | /* virtual type - not a real terminal */ |
| 672 | if (iterm->type >> 16) { |
| 673 | if (term_only) |
| 674 | return 0; |
| 675 | switch (iterm->type >> 16) { |
Jorge Sanjuan | 8b3a087 | 2018-07-11 13:37:54 +0100 | [diff] [blame] | 676 | case UAC3_SELECTOR_UNIT: |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 677 | strcpy(name, "Selector"); |
| 678 | return 8; |
Jorge Sanjuan | 8b3a087 | 2018-07-11 13:37:54 +0100 | [diff] [blame] | 679 | case UAC3_PROCESSING_UNIT: |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 680 | strcpy(name, "Process Unit"); |
| 681 | return 12; |
Jorge Sanjuan | 8b3a087 | 2018-07-11 13:37:54 +0100 | [diff] [blame] | 682 | case UAC3_EXTENSION_UNIT: |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 683 | strcpy(name, "Ext Unit"); |
| 684 | return 8; |
Jorge Sanjuan | 8b3a087 | 2018-07-11 13:37:54 +0100 | [diff] [blame] | 685 | case UAC3_MIXER_UNIT: |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 686 | strcpy(name, "Mixer"); |
| 687 | return 5; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 688 | default: |
| 689 | return sprintf(name, "Unit %d", iterm->id); |
| 690 | } |
| 691 | } |
| 692 | |
| 693 | switch (iterm->type & 0xff00) { |
| 694 | case 0x0100: |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 695 | strcpy(name, "PCM"); |
| 696 | return 3; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 697 | case 0x0200: |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 698 | strcpy(name, "Mic"); |
| 699 | return 3; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 700 | case 0x0400: |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 701 | strcpy(name, "Headset"); |
| 702 | return 7; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 703 | case 0x0500: |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 704 | strcpy(name, "Phone"); |
| 705 | return 5; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 706 | } |
| 707 | |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 708 | for (names = iterm_names; names->type; names++) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 709 | if (names->type == iterm->type) { |
| 710 | strcpy(name, names->name); |
| 711 | return strlen(names->name); |
| 712 | } |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 713 | } |
| 714 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 715 | return 0; |
| 716 | } |
| 717 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 718 | /* |
Jorge Sanjuan | 6cfd839 | 2018-05-11 16:25:34 +0100 | [diff] [blame] | 719 | * Get logical cluster information for UAC3 devices. |
| 720 | */ |
| 721 | static int get_cluster_channels_v3(struct mixer_build *state, unsigned int cluster_id) |
| 722 | { |
| 723 | struct uac3_cluster_header_descriptor c_header; |
| 724 | int err; |
| 725 | |
| 726 | err = snd_usb_ctl_msg(state->chip->dev, |
| 727 | usb_rcvctrlpipe(state->chip->dev, 0), |
| 728 | UAC3_CS_REQ_HIGH_CAPABILITY_DESCRIPTOR, |
| 729 | USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, |
| 730 | cluster_id, |
| 731 | snd_usb_ctrl_intf(state->chip), |
| 732 | &c_header, sizeof(c_header)); |
| 733 | if (err < 0) |
| 734 | goto error; |
| 735 | if (err != sizeof(c_header)) { |
| 736 | err = -EIO; |
| 737 | goto error; |
| 738 | } |
| 739 | |
| 740 | return c_header.bNrChannels; |
| 741 | |
| 742 | error: |
| 743 | usb_audio_err(state->chip, "cannot request logical cluster ID: %d (err: %d)\n", cluster_id, err); |
| 744 | return err; |
| 745 | } |
| 746 | |
| 747 | /* |
| 748 | * Get number of channels for a Mixer Unit. |
| 749 | */ |
| 750 | static int uac_mixer_unit_get_channels(struct mixer_build *state, |
| 751 | struct uac_mixer_unit_descriptor *desc) |
| 752 | { |
| 753 | int mu_channels; |
Jorge Sanjuan | 6cfd839 | 2018-05-11 16:25:34 +0100 | [diff] [blame] | 754 | |
| 755 | switch (state->mixer->protocol) { |
| 756 | case UAC_VERSION_1: |
| 757 | case UAC_VERSION_2: |
| 758 | default: |
Takashi Iwai | 0bfe5e4 | 2018-12-19 14:04:47 +0100 | [diff] [blame] | 759 | if (desc->bLength < sizeof(*desc) + desc->bNrInPins + 1) |
| 760 | return 0; /* no bmControls -> skip */ |
Jorge Sanjuan | 6cfd839 | 2018-05-11 16:25:34 +0100 | [diff] [blame] | 761 | mu_channels = uac_mixer_unit_bNrChannels(desc); |
| 762 | break; |
| 763 | case UAC_VERSION_3: |
| 764 | mu_channels = get_cluster_channels_v3(state, |
| 765 | uac3_mixer_unit_wClusterDescrID(desc)); |
| 766 | break; |
| 767 | } |
| 768 | |
Jorge Sanjuan | 6cfd839 | 2018-05-11 16:25:34 +0100 | [diff] [blame] | 769 | return mu_channels; |
| 770 | } |
| 771 | |
| 772 | /* |
Takashi Iwai | e0ccdef | 2019-08-23 12:38:07 +0200 | [diff] [blame] | 773 | * Parse Input Terminal Unit |
| 774 | */ |
| 775 | static int __check_input_term(struct mixer_build *state, int id, |
| 776 | struct usb_audio_term *term); |
| 777 | |
| 778 | static int parse_term_uac1_iterm_unit(struct mixer_build *state, |
| 779 | struct usb_audio_term *term, |
| 780 | void *p1, int id) |
| 781 | { |
| 782 | struct uac_input_terminal_descriptor *d = p1; |
| 783 | |
| 784 | term->type = le16_to_cpu(d->wTerminalType); |
| 785 | term->channels = d->bNrChannels; |
| 786 | term->chconfig = le16_to_cpu(d->wChannelConfig); |
| 787 | term->name = d->iTerminal; |
| 788 | return 0; |
| 789 | } |
| 790 | |
| 791 | static int parse_term_uac2_iterm_unit(struct mixer_build *state, |
| 792 | struct usb_audio_term *term, |
| 793 | void *p1, int id) |
| 794 | { |
| 795 | struct uac2_input_terminal_descriptor *d = p1; |
| 796 | int err; |
| 797 | |
| 798 | /* call recursively to verify the referenced clock entity */ |
| 799 | err = __check_input_term(state, d->bCSourceID, term); |
| 800 | if (err < 0) |
| 801 | return err; |
| 802 | |
| 803 | /* save input term properties after recursion, |
| 804 | * to ensure they are not overriden by the recursion calls |
| 805 | */ |
| 806 | term->id = id; |
| 807 | term->type = le16_to_cpu(d->wTerminalType); |
| 808 | term->channels = d->bNrChannels; |
| 809 | term->chconfig = le32_to_cpu(d->bmChannelConfig); |
| 810 | term->name = d->iTerminal; |
| 811 | return 0; |
| 812 | } |
| 813 | |
| 814 | static int parse_term_uac3_iterm_unit(struct mixer_build *state, |
| 815 | struct usb_audio_term *term, |
| 816 | void *p1, int id) |
| 817 | { |
| 818 | struct uac3_input_terminal_descriptor *d = p1; |
| 819 | int err; |
| 820 | |
| 821 | /* call recursively to verify the referenced clock entity */ |
| 822 | err = __check_input_term(state, d->bCSourceID, term); |
| 823 | if (err < 0) |
| 824 | return err; |
| 825 | |
| 826 | /* save input term properties after recursion, |
| 827 | * to ensure they are not overriden by the recursion calls |
| 828 | */ |
| 829 | term->id = id; |
| 830 | term->type = le16_to_cpu(d->wTerminalType); |
| 831 | |
| 832 | err = get_cluster_channels_v3(state, le16_to_cpu(d->wClusterDescrID)); |
| 833 | if (err < 0) |
| 834 | return err; |
| 835 | term->channels = err; |
| 836 | |
| 837 | /* REVISIT: UAC3 IT doesn't have channels cfg */ |
| 838 | term->chconfig = 0; |
| 839 | |
| 840 | term->name = le16_to_cpu(d->wTerminalDescrStr); |
| 841 | return 0; |
| 842 | } |
| 843 | |
| 844 | static int parse_term_mixer_unit(struct mixer_build *state, |
| 845 | struct usb_audio_term *term, |
| 846 | void *p1, int id) |
| 847 | { |
| 848 | struct uac_mixer_unit_descriptor *d = p1; |
| 849 | int protocol = state->mixer->protocol; |
| 850 | int err; |
| 851 | |
| 852 | err = uac_mixer_unit_get_channels(state, d); |
| 853 | if (err <= 0) |
| 854 | return err; |
| 855 | |
| 856 | term->type = UAC3_MIXER_UNIT << 16; /* virtual type */ |
| 857 | term->channels = err; |
| 858 | if (protocol != UAC_VERSION_3) { |
| 859 | term->chconfig = uac_mixer_unit_wChannelConfig(d, protocol); |
| 860 | term->name = uac_mixer_unit_iMixer(d); |
| 861 | } |
| 862 | return 0; |
| 863 | } |
| 864 | |
| 865 | static int parse_term_selector_unit(struct mixer_build *state, |
| 866 | struct usb_audio_term *term, |
| 867 | void *p1, int id) |
| 868 | { |
| 869 | struct uac_selector_unit_descriptor *d = p1; |
| 870 | int err; |
| 871 | |
| 872 | /* call recursively to retrieve the channel info */ |
| 873 | err = __check_input_term(state, d->baSourceID[0], term); |
| 874 | if (err < 0) |
| 875 | return err; |
| 876 | term->type = UAC3_SELECTOR_UNIT << 16; /* virtual type */ |
| 877 | term->id = id; |
| 878 | if (state->mixer->protocol != UAC_VERSION_3) |
| 879 | term->name = uac_selector_unit_iSelector(d); |
| 880 | return 0; |
| 881 | } |
| 882 | |
| 883 | static int parse_term_proc_unit(struct mixer_build *state, |
| 884 | struct usb_audio_term *term, |
| 885 | void *p1, int id, int vtype) |
| 886 | { |
| 887 | struct uac_processing_unit_descriptor *d = p1; |
| 888 | int protocol = state->mixer->protocol; |
| 889 | int err; |
| 890 | |
| 891 | if (d->bNrInPins) { |
| 892 | /* call recursively to retrieve the channel info */ |
| 893 | err = __check_input_term(state, d->baSourceID[0], term); |
| 894 | if (err < 0) |
| 895 | return err; |
| 896 | } |
| 897 | |
| 898 | term->type = vtype << 16; /* virtual type */ |
| 899 | term->id = id; |
| 900 | |
| 901 | if (protocol == UAC_VERSION_3) |
| 902 | return 0; |
| 903 | |
| 904 | if (!term->channels) { |
| 905 | term->channels = uac_processing_unit_bNrChannels(d); |
| 906 | term->chconfig = uac_processing_unit_wChannelConfig(d, protocol); |
| 907 | } |
| 908 | term->name = uac_processing_unit_iProcessing(d, protocol); |
| 909 | return 0; |
| 910 | } |
| 911 | |
Takashi Iwai | d75a170 | 2020-02-11 17:05:21 +0100 | [diff] [blame] | 912 | static int parse_term_effect_unit(struct mixer_build *state, |
| 913 | struct usb_audio_term *term, |
| 914 | void *p1, int id) |
| 915 | { |
Takashi Iwai | 60081b3 | 2020-02-13 12:20:59 +0100 | [diff] [blame] | 916 | struct uac2_effect_unit_descriptor *d = p1; |
| 917 | int err; |
| 918 | |
| 919 | err = __check_input_term(state, d->bSourceID, term); |
| 920 | if (err < 0) |
| 921 | return err; |
Takashi Iwai | d75a170 | 2020-02-11 17:05:21 +0100 | [diff] [blame] | 922 | term->type = UAC3_EFFECT_UNIT << 16; /* virtual type */ |
| 923 | term->id = id; |
| 924 | return 0; |
| 925 | } |
| 926 | |
Takashi Iwai | e0ccdef | 2019-08-23 12:38:07 +0200 | [diff] [blame] | 927 | static int parse_term_uac2_clock_source(struct mixer_build *state, |
| 928 | struct usb_audio_term *term, |
| 929 | void *p1, int id) |
| 930 | { |
| 931 | struct uac_clock_source_descriptor *d = p1; |
| 932 | |
| 933 | term->type = UAC3_CLOCK_SOURCE << 16; /* virtual type */ |
| 934 | term->id = id; |
| 935 | term->name = d->iClockSource; |
| 936 | return 0; |
| 937 | } |
| 938 | |
| 939 | static int parse_term_uac3_clock_source(struct mixer_build *state, |
| 940 | struct usb_audio_term *term, |
| 941 | void *p1, int id) |
| 942 | { |
| 943 | struct uac3_clock_source_descriptor *d = p1; |
| 944 | |
| 945 | term->type = UAC3_CLOCK_SOURCE << 16; /* virtual type */ |
| 946 | term->id = id; |
| 947 | term->name = le16_to_cpu(d->wClockSourceStr); |
| 948 | return 0; |
| 949 | } |
| 950 | |
| 951 | #define PTYPE(a, b) ((a) << 8 | (b)) |
| 952 | |
| 953 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 954 | * parse the source unit recursively until it reaches to a terminal |
| 955 | * or a branched unit. |
| 956 | */ |
Hui Peng | 19bce47 | 2019-08-15 00:31:34 -0400 | [diff] [blame] | 957 | static int __check_input_term(struct mixer_build *state, int id, |
Takashi Iwai | e0ccdef | 2019-08-23 12:38:07 +0200 | [diff] [blame] | 958 | struct usb_audio_term *term) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 959 | { |
Ruslan Bilovol | 9a2fe9b | 2018-03-21 02:03:59 +0200 | [diff] [blame] | 960 | int protocol = state->mixer->protocol; |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 961 | void *p1; |
Hui Peng | 19bce47 | 2019-08-15 00:31:34 -0400 | [diff] [blame] | 962 | unsigned char *hdr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 963 | |
Hui Peng | 19bce47 | 2019-08-15 00:31:34 -0400 | [diff] [blame] | 964 | for (;;) { |
| 965 | /* a loop in the terminal chain? */ |
| 966 | if (test_and_set_bit(id, state->termbitmap)) |
| 967 | return -EINVAL; |
| 968 | |
| 969 | p1 = find_audio_control_unit(state, id); |
| 970 | if (!p1) |
| 971 | break; |
Takashi Iwai | 57f8770 | 2019-08-20 17:17:09 +0200 | [diff] [blame] | 972 | if (!snd_usb_validate_audio_desc(p1, protocol)) |
| 973 | break; /* bad descriptor */ |
Hui Peng | 19bce47 | 2019-08-15 00:31:34 -0400 | [diff] [blame] | 974 | |
| 975 | hdr = p1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 976 | term->id = id; |
Ruslan Bilovol | 9a2fe9b | 2018-03-21 02:03:59 +0200 | [diff] [blame] | 977 | |
Takashi Iwai | e0ccdef | 2019-08-23 12:38:07 +0200 | [diff] [blame] | 978 | switch (PTYPE(protocol, hdr[2])) { |
| 979 | case PTYPE(UAC_VERSION_1, UAC_FEATURE_UNIT): |
| 980 | case PTYPE(UAC_VERSION_2, UAC_FEATURE_UNIT): |
| 981 | case PTYPE(UAC_VERSION_3, UAC3_FEATURE_UNIT): { |
| 982 | /* the header is the same for all versions */ |
| 983 | struct uac_feature_unit_descriptor *d = p1; |
Ruslan Bilovol | 9a2fe9b | 2018-03-21 02:03:59 +0200 | [diff] [blame] | 984 | |
Takashi Iwai | e0ccdef | 2019-08-23 12:38:07 +0200 | [diff] [blame] | 985 | id = d->bSourceID; |
| 986 | break; /* continue to parse */ |
| 987 | } |
| 988 | case PTYPE(UAC_VERSION_1, UAC_INPUT_TERMINAL): |
| 989 | return parse_term_uac1_iterm_unit(state, term, p1, id); |
| 990 | case PTYPE(UAC_VERSION_2, UAC_INPUT_TERMINAL): |
| 991 | return parse_term_uac2_iterm_unit(state, term, p1, id); |
| 992 | case PTYPE(UAC_VERSION_3, UAC_INPUT_TERMINAL): |
| 993 | return parse_term_uac3_iterm_unit(state, term, p1, id); |
| 994 | case PTYPE(UAC_VERSION_1, UAC_MIXER_UNIT): |
| 995 | case PTYPE(UAC_VERSION_2, UAC_MIXER_UNIT): |
| 996 | case PTYPE(UAC_VERSION_3, UAC3_MIXER_UNIT): |
| 997 | return parse_term_mixer_unit(state, term, p1, id); |
| 998 | case PTYPE(UAC_VERSION_1, UAC_SELECTOR_UNIT): |
| 999 | case PTYPE(UAC_VERSION_2, UAC_SELECTOR_UNIT): |
| 1000 | case PTYPE(UAC_VERSION_2, UAC2_CLOCK_SELECTOR): |
| 1001 | case PTYPE(UAC_VERSION_3, UAC3_SELECTOR_UNIT): |
| 1002 | case PTYPE(UAC_VERSION_3, UAC3_CLOCK_SELECTOR): |
| 1003 | return parse_term_selector_unit(state, term, p1, id); |
| 1004 | case PTYPE(UAC_VERSION_1, UAC1_PROCESSING_UNIT): |
| 1005 | case PTYPE(UAC_VERSION_2, UAC2_PROCESSING_UNIT_V2): |
| 1006 | case PTYPE(UAC_VERSION_3, UAC3_PROCESSING_UNIT): |
| 1007 | return parse_term_proc_unit(state, term, p1, id, |
| 1008 | UAC3_PROCESSING_UNIT); |
| 1009 | case PTYPE(UAC_VERSION_2, UAC2_EFFECT_UNIT): |
| 1010 | case PTYPE(UAC_VERSION_3, UAC3_EFFECT_UNIT): |
Takashi Iwai | d75a170 | 2020-02-11 17:05:21 +0100 | [diff] [blame] | 1011 | return parse_term_effect_unit(state, term, p1, id); |
Takashi Iwai | e0ccdef | 2019-08-23 12:38:07 +0200 | [diff] [blame] | 1012 | case PTYPE(UAC_VERSION_1, UAC1_EXTENSION_UNIT): |
| 1013 | case PTYPE(UAC_VERSION_2, UAC2_EXTENSION_UNIT_V2): |
| 1014 | case PTYPE(UAC_VERSION_3, UAC3_EXTENSION_UNIT): |
| 1015 | return parse_term_proc_unit(state, term, p1, id, |
| 1016 | UAC3_EXTENSION_UNIT); |
| 1017 | case PTYPE(UAC_VERSION_2, UAC2_CLOCK_SOURCE): |
| 1018 | return parse_term_uac2_clock_source(state, term, p1, id); |
| 1019 | case PTYPE(UAC_VERSION_3, UAC3_CLOCK_SOURCE): |
| 1020 | return parse_term_uac3_clock_source(state, term, p1, id); |
| 1021 | default: |
| 1022 | return -ENODEV; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1023 | } |
| 1024 | } |
| 1025 | return -ENODEV; |
| 1026 | } |
| 1027 | |
Hui Peng | 19bce47 | 2019-08-15 00:31:34 -0400 | [diff] [blame] | 1028 | |
| 1029 | static int check_input_term(struct mixer_build *state, int id, |
| 1030 | struct usb_audio_term *term) |
| 1031 | { |
| 1032 | memset(term, 0, sizeof(*term)); |
| 1033 | memset(state->termbitmap, 0, sizeof(state->termbitmap)); |
| 1034 | return __check_input_term(state, id, term); |
| 1035 | } |
| 1036 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1037 | /* |
| 1038 | * Feature Unit |
| 1039 | */ |
| 1040 | |
| 1041 | /* feature unit control information */ |
| 1042 | struct usb_feature_control_info { |
Andrew Chant | 21e9b3e | 2018-03-22 14:39:55 -0700 | [diff] [blame] | 1043 | int control; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1044 | const char *name; |
Julian Scheel | bc18e31 | 2015-08-14 16:14:45 +0200 | [diff] [blame] | 1045 | int type; /* data type for uac1 */ |
| 1046 | 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] | 1047 | }; |
| 1048 | |
Takashi Iwai | a01df92 | 2020-01-05 15:47:26 +0100 | [diff] [blame] | 1049 | static const struct usb_feature_control_info audio_feature_info[] = { |
Andrew Chant | 21e9b3e | 2018-03-22 14:39:55 -0700 | [diff] [blame] | 1050 | { UAC_FU_MUTE, "Mute", USB_MIXER_INV_BOOLEAN, -1 }, |
| 1051 | { UAC_FU_VOLUME, "Volume", USB_MIXER_S16, -1 }, |
| 1052 | { UAC_FU_BASS, "Tone Control - Bass", USB_MIXER_S8, -1 }, |
| 1053 | { UAC_FU_MID, "Tone Control - Mid", USB_MIXER_S8, -1 }, |
| 1054 | { UAC_FU_TREBLE, "Tone Control - Treble", USB_MIXER_S8, -1 }, |
| 1055 | { UAC_FU_GRAPHIC_EQUALIZER, "Graphic Equalizer", USB_MIXER_S8, -1 }, /* FIXME: not implemented yet */ |
| 1056 | { UAC_FU_AUTOMATIC_GAIN, "Auto Gain Control", USB_MIXER_BOOLEAN, -1 }, |
| 1057 | { UAC_FU_DELAY, "Delay Control", USB_MIXER_U16, USB_MIXER_U32 }, |
| 1058 | { UAC_FU_BASS_BOOST, "Bass Boost", USB_MIXER_BOOLEAN, -1 }, |
| 1059 | { UAC_FU_LOUDNESS, "Loudness", USB_MIXER_BOOLEAN, -1 }, |
Daniel Mack | 2e0281d | 2010-05-31 13:35:42 +0200 | [diff] [blame] | 1060 | /* UAC2 specific */ |
Andrew Chant | 21e9b3e | 2018-03-22 14:39:55 -0700 | [diff] [blame] | 1061 | { UAC2_FU_INPUT_GAIN, "Input Gain Control", USB_MIXER_S16, -1 }, |
| 1062 | { UAC2_FU_INPUT_GAIN_PAD, "Input Gain Pad Control", USB_MIXER_S16, -1 }, |
| 1063 | { UAC2_FU_PHASE_INVERTER, "Phase Inverter Control", USB_MIXER_BOOLEAN, -1 }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1064 | }; |
| 1065 | |
Takashi Iwai | 52c3e31 | 2019-08-22 08:23:10 +0200 | [diff] [blame] | 1066 | static void usb_mixer_elem_info_free(struct usb_mixer_elem_info *cval) |
| 1067 | { |
| 1068 | kfree(cval); |
| 1069 | } |
| 1070 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1071 | /* private_free callback */ |
Chris J Arges | eef9045 | 2014-11-12 12:07:01 -0600 | [diff] [blame] | 1072 | void snd_usb_mixer_elem_free(struct snd_kcontrol *kctl) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1073 | { |
Takashi Iwai | 52c3e31 | 2019-08-22 08:23:10 +0200 | [diff] [blame] | 1074 | usb_mixer_elem_info_free(kctl->private_data); |
Jesper Juhl | 4d57277 | 2005-05-30 17:30:32 +0200 | [diff] [blame] | 1075 | kctl->private_data = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1076 | } |
| 1077 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1078 | /* |
| 1079 | * interface to ALSA control for feature/mixer units |
| 1080 | */ |
| 1081 | |
Takashi Iwai | dcaaf9f | 2011-11-08 17:50:27 +0100 | [diff] [blame] | 1082 | /* volume control quirks */ |
| 1083 | static void volume_control_quirks(struct usb_mixer_elem_info *cval, |
| 1084 | struct snd_kcontrol *kctl) |
| 1085 | { |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 1086 | struct snd_usb_audio *chip = cval->head.mixer->chip; |
Takashi Iwai | 0ba41d9 | 2014-02-26 13:02:17 +0100 | [diff] [blame] | 1087 | switch (chip->usb_id) { |
Eldad Zack | d50ed62 | 2012-11-28 23:55:39 +0100 | [diff] [blame] | 1088 | case USB_ID(0x0763, 0x2030): /* M-Audio Fast Track C400 */ |
Matt Gruskin | e9a25e0 | 2013-02-09 12:56:35 -0500 | [diff] [blame] | 1089 | case USB_ID(0x0763, 0x2031): /* M-Audio Fast Track C600 */ |
Eldad Zack | d50ed62 | 2012-11-28 23:55:39 +0100 | [diff] [blame] | 1090 | if (strcmp(kctl->id.name, "Effect Duration") == 0) { |
| 1091 | cval->min = 0x0000; |
| 1092 | cval->max = 0xffff; |
| 1093 | cval->res = 0x00e6; |
| 1094 | break; |
| 1095 | } |
| 1096 | if (strcmp(kctl->id.name, "Effect Volume") == 0 || |
| 1097 | strcmp(kctl->id.name, "Effect Feedback Volume") == 0) { |
| 1098 | cval->min = 0x00; |
| 1099 | cval->max = 0xff; |
| 1100 | break; |
| 1101 | } |
| 1102 | if (strstr(kctl->id.name, "Effect Return") != NULL) { |
| 1103 | cval->min = 0xb706; |
| 1104 | cval->max = 0xff7b; |
| 1105 | cval->res = 0x0073; |
| 1106 | break; |
| 1107 | } |
| 1108 | if ((strstr(kctl->id.name, "Playback Volume") != NULL) || |
| 1109 | (strstr(kctl->id.name, "Effect Send") != NULL)) { |
| 1110 | cval->min = 0xb5fb; /* -73 dB = 0xb6ff */ |
| 1111 | cval->max = 0xfcfe; |
| 1112 | cval->res = 0x0073; |
| 1113 | } |
| 1114 | break; |
| 1115 | |
Felix Homann | d34bf14 | 2012-04-23 20:24:27 +0200 | [diff] [blame] | 1116 | case USB_ID(0x0763, 0x2081): /* M-Audio Fast Track Ultra 8R */ |
| 1117 | case USB_ID(0x0763, 0x2080): /* M-Audio Fast Track Ultra */ |
| 1118 | if (strcmp(kctl->id.name, "Effect Duration") == 0) { |
Takashi Iwai | 0ba41d9 | 2014-02-26 13:02:17 +0100 | [diff] [blame] | 1119 | usb_audio_info(chip, |
| 1120 | "set quirk for FTU Effect Duration\n"); |
Felix Homann | d34bf14 | 2012-04-23 20:24:27 +0200 | [diff] [blame] | 1121 | cval->min = 0x0000; |
| 1122 | cval->max = 0x7f00; |
| 1123 | cval->res = 0x0100; |
| 1124 | break; |
| 1125 | } |
| 1126 | if (strcmp(kctl->id.name, "Effect Volume") == 0 || |
| 1127 | strcmp(kctl->id.name, "Effect Feedback Volume") == 0) { |
Takashi Iwai | 0ba41d9 | 2014-02-26 13:02:17 +0100 | [diff] [blame] | 1128 | usb_audio_info(chip, |
| 1129 | "set quirks for FTU Effect Feedback/Volume\n"); |
Felix Homann | d34bf14 | 2012-04-23 20:24:27 +0200 | [diff] [blame] | 1130 | cval->min = 0x00; |
| 1131 | cval->max = 0x7f; |
| 1132 | break; |
| 1133 | } |
| 1134 | break; |
| 1135 | |
Federico Cuello | 2149331 | 2018-05-09 00:13:38 +0200 | [diff] [blame] | 1136 | case USB_ID(0x0d8c, 0x0103): |
| 1137 | if (!strcmp(kctl->id.name, "PCM Playback Volume")) { |
| 1138 | usb_audio_info(chip, |
| 1139 | "set volume quirk for CM102-A+/102S+\n"); |
| 1140 | cval->min = -256; |
| 1141 | } |
| 1142 | break; |
| 1143 | |
Takashi Iwai | dcaaf9f | 2011-11-08 17:50:27 +0100 | [diff] [blame] | 1144 | case USB_ID(0x0471, 0x0101): |
| 1145 | case USB_ID(0x0471, 0x0104): |
| 1146 | case USB_ID(0x0471, 0x0105): |
| 1147 | case USB_ID(0x0672, 0x1041): |
| 1148 | /* quirk for UDA1321/N101. |
| 1149 | * note that detection between firmware 2.1.1.7 (N101) |
| 1150 | * and later 2.1.1.21 is not very clear from datasheets. |
| 1151 | * I hope that the min value is -15360 for newer firmware --jk |
| 1152 | */ |
| 1153 | if (!strcmp(kctl->id.name, "PCM Playback Volume") && |
| 1154 | cval->min == -15616) { |
Takashi Iwai | 0ba41d9 | 2014-02-26 13:02:17 +0100 | [diff] [blame] | 1155 | usb_audio_info(chip, |
Takashi Iwai | dcaaf9f | 2011-11-08 17:50:27 +0100 | [diff] [blame] | 1156 | "set volume quirk for UDA1321/N101 chip\n"); |
| 1157 | cval->max = -256; |
| 1158 | } |
| 1159 | break; |
| 1160 | |
| 1161 | case USB_ID(0x046d, 0x09a4): |
| 1162 | if (!strcmp(kctl->id.name, "Mic Capture Volume")) { |
Takashi Iwai | 0ba41d9 | 2014-02-26 13:02:17 +0100 | [diff] [blame] | 1163 | usb_audio_info(chip, |
Takashi Iwai | dcaaf9f | 2011-11-08 17:50:27 +0100 | [diff] [blame] | 1164 | "set volume quirk for QuickCam E3500\n"); |
| 1165 | cval->min = 6080; |
| 1166 | cval->max = 8768; |
| 1167 | cval->res = 192; |
| 1168 | } |
| 1169 | break; |
| 1170 | |
Takashi Iwai | e805ca8 | 2014-03-05 12:34:39 +0100 | [diff] [blame] | 1171 | case USB_ID(0x046d, 0x0807): /* Logitech Webcam C500 */ |
Takashi Iwai | dcaaf9f | 2011-11-08 17:50:27 +0100 | [diff] [blame] | 1172 | case USB_ID(0x046d, 0x0808): |
| 1173 | case USB_ID(0x046d, 0x0809): |
Jason Lee Cragg | 6455931 | 2015-01-17 12:28:29 -0500 | [diff] [blame] | 1174 | case USB_ID(0x046d, 0x0819): /* Logitech Webcam C210 */ |
Takashi Iwai | 36691e1 | 2013-06-17 10:25:02 +0200 | [diff] [blame] | 1175 | case USB_ID(0x046d, 0x081b): /* HD Webcam c310 */ |
Alexey Fisher | 55c0008 | 2011-11-09 11:39:24 +0100 | [diff] [blame] | 1176 | case USB_ID(0x046d, 0x081d): /* HD Webcam c510 */ |
Takashi Iwai | 11e7064 | 2013-06-05 08:35:26 +0200 | [diff] [blame] | 1177 | case USB_ID(0x046d, 0x0825): /* HD Webcam c270 */ |
Maksim A. Boyko | 140d37d | 2013-08-10 12:20:02 +0400 | [diff] [blame] | 1178 | case USB_ID(0x046d, 0x0826): /* HD Webcam c525 */ |
Wolfram Sang | 1ef9f05 | 2015-05-29 19:50:56 +0900 | [diff] [blame] | 1179 | case USB_ID(0x046d, 0x08ca): /* Logitech Quickcam Fusion */ |
Takashi Iwai | dcaaf9f | 2011-11-08 17:50:27 +0100 | [diff] [blame] | 1180 | case USB_ID(0x046d, 0x0991): |
Con Kolivas | 82ffb6f | 2016-12-09 15:15:57 +1100 | [diff] [blame] | 1181 | case USB_ID(0x046d, 0x09a2): /* QuickCam Communicate Deluxe/S7500 */ |
Takashi Iwai | dcaaf9f | 2011-11-08 17:50:27 +0100 | [diff] [blame] | 1182 | /* Most audio usb devices lie about volume resolution. |
| 1183 | * Most Logitech webcams have res = 384. |
Con Kolivas | 82ffb6f | 2016-12-09 15:15:57 +1100 | [diff] [blame] | 1184 | * Probably there is some logitech magic behind this number --fishor |
Takashi Iwai | dcaaf9f | 2011-11-08 17:50:27 +0100 | [diff] [blame] | 1185 | */ |
| 1186 | if (!strcmp(kctl->id.name, "Mic Capture Volume")) { |
Takashi Iwai | 0ba41d9 | 2014-02-26 13:02:17 +0100 | [diff] [blame] | 1187 | usb_audio_info(chip, |
Takashi Iwai | dcaaf9f | 2011-11-08 17:50:27 +0100 | [diff] [blame] | 1188 | "set resolution quirk: cval->res = 384\n"); |
| 1189 | cval->res = 384; |
| 1190 | } |
| 1191 | break; |
Chris Chiu | 4020d1c | 2020-05-26 14:26:13 +0800 | [diff] [blame] | 1192 | case USB_ID(0x0495, 0x3042): /* ESS Technology Asus USB DAC */ |
| 1193 | if ((strstr(kctl->id.name, "Playback Volume") != NULL) || |
| 1194 | strstr(kctl->id.name, "Capture Volume") != NULL) { |
| 1195 | cval->min >>= 8; |
| 1196 | cval->max = 0; |
| 1197 | cval->res = 1; |
| 1198 | } |
| 1199 | break; |
Marco Giunta | 2966492 | 2021-10-18 18:25:52 +0200 | [diff] [blame] | 1200 | case USB_ID(0x1224, 0x2a25): /* Jieli Technology USB PHY 2.0 */ |
| 1201 | if (!strcmp(kctl->id.name, "Mic Capture Volume")) { |
| 1202 | usb_audio_info(chip, |
| 1203 | "set resolution quirk: cval->res = 16\n"); |
| 1204 | cval->res = 16; |
| 1205 | } |
| 1206 | break; |
Christos Skevis | 4a63e68a | 2023-10-06 17:53:30 +0200 | [diff] [blame] | 1207 | case USB_ID(0x1bcf, 0x2283): /* NexiGo N930AF FHD Webcam */ |
| 1208 | if (!strcmp(kctl->id.name, "Mic Capture Volume")) { |
| 1209 | usb_audio_info(chip, |
| 1210 | "set resolution quirk: cval->res = 16\n"); |
| 1211 | cval->res = 16; |
| 1212 | } |
| 1213 | break; |
wangdicheng | 74dba24 | 2024-07-19 10:09:06 +0800 | [diff] [blame] | 1214 | case USB_ID(0x1bcf, 0x2281): /* HD Webcam */ |
| 1215 | if (!strcmp(kctl->id.name, "Mic Capture Volume")) { |
| 1216 | usb_audio_info(chip, |
| 1217 | "set resolution quirk: cval->res = 16\n"); |
| 1218 | cval->res = 16; |
| 1219 | } |
| 1220 | break; |
Takashi Iwai | dcaaf9f | 2011-11-08 17:50:27 +0100 | [diff] [blame] | 1221 | } |
| 1222 | } |
| 1223 | |
Takashi Iwai | b96681b | 2021-10-14 15:06:36 +0200 | [diff] [blame] | 1224 | /* forcibly initialize the current mixer value; if GET_CUR fails, set to |
| 1225 | * the minimum as default |
| 1226 | */ |
| 1227 | static void init_cur_mix_raw(struct usb_mixer_elem_info *cval, int ch, int idx) |
| 1228 | { |
| 1229 | int val, err; |
| 1230 | |
| 1231 | err = snd_usb_get_cur_mix_value(cval, ch, idx, &val); |
| 1232 | if (!err) |
| 1233 | return; |
| 1234 | if (!cval->head.mixer->ignore_ctl_error) |
| 1235 | usb_audio_warn(cval->head.mixer->chip, |
| 1236 | "%d:%d: failed to get current value for ch %d (%d)\n", |
| 1237 | cval->head.id, mixer_ctrl_intf(cval->head.mixer), |
| 1238 | ch, err); |
| 1239 | snd_usb_set_cur_mix_value(cval, ch, idx, cval->min); |
| 1240 | } |
| 1241 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1242 | /* |
| 1243 | * retrieve the minimum and maximum values for the specified control |
| 1244 | */ |
Takashi Iwai | dcaaf9f | 2011-11-08 17:50:27 +0100 | [diff] [blame] | 1245 | static int get_min_max_with_quirks(struct usb_mixer_elem_info *cval, |
| 1246 | int default_min, struct snd_kcontrol *kctl) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1247 | { |
Takashi Iwai | b96681b | 2021-10-14 15:06:36 +0200 | [diff] [blame] | 1248 | int i, idx; |
| 1249 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1250 | /* for failsafe */ |
| 1251 | cval->min = default_min; |
| 1252 | cval->max = cval->min + 1; |
| 1253 | cval->res = 1; |
Jaroslav Kysela | c3a3e04 | 2010-02-11 17:50:44 +0100 | [diff] [blame] | 1254 | cval->dBmin = cval->dBmax = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1255 | |
| 1256 | if (cval->val_type == USB_MIXER_BOOLEAN || |
| 1257 | cval->val_type == USB_MIXER_INV_BOOLEAN) { |
| 1258 | cval->initialized = 1; |
| 1259 | } else { |
| 1260 | int minchn = 0; |
| 1261 | if (cval->cmask) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1262 | for (i = 0; i < MAX_CHANNELS; i++) |
Takashi Iwai | e54dc3431 | 2024-07-15 14:36:45 +0200 | [diff] [blame] | 1263 | if (cval->cmask & BIT(i)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1264 | minchn = i + 1; |
| 1265 | break; |
| 1266 | } |
| 1267 | } |
Daniel Mack | de48c7b | 2010-02-22 23:49:13 +0100 | [diff] [blame] | 1268 | if (get_ctl_value(cval, UAC_GET_MAX, (cval->control << 8) | minchn, &cval->max) < 0 || |
| 1269 | 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] | 1270 | usb_audio_err(cval->head.mixer->chip, |
Takashi Iwai | 0ba41d9 | 2014-02-26 13:02:17 +0100 | [diff] [blame] | 1271 | "%d:%d: cannot get min/max values for control %d (id %d)\n", |
Chris Wulff | 0aef31b | 2020-03-14 12:54:48 -0400 | [diff] [blame] | 1272 | cval->head.id, mixer_ctrl_intf(cval->head.mixer), |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 1273 | cval->control, cval->head.id); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1274 | return -EINVAL; |
| 1275 | } |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1276 | if (get_ctl_value(cval, UAC_GET_RES, |
| 1277 | (cval->control << 8) | minchn, |
| 1278 | &cval->res) < 0) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1279 | cval->res = 1; |
Takashi Iwai | 85db1cf | 2021-01-20 22:39:32 +0100 | [diff] [blame] | 1280 | } else if (cval->head.mixer->protocol == UAC_VERSION_1) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1281 | int last_valid_res = cval->res; |
| 1282 | |
| 1283 | while (cval->res > 1) { |
Daniel Mack | 7b1eda2 | 2010-03-11 21:13:22 +0100 | [diff] [blame] | 1284 | if (snd_usb_mixer_set_ctl_value(cval, UAC_SET_RES, |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1285 | (cval->control << 8) | minchn, |
| 1286 | cval->res / 2) < 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1287 | break; |
| 1288 | cval->res /= 2; |
| 1289 | } |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1290 | if (get_ctl_value(cval, UAC_GET_RES, |
| 1291 | (cval->control << 8) | minchn, &cval->res) < 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1292 | cval->res = last_valid_res; |
| 1293 | } |
| 1294 | if (cval->res == 0) |
| 1295 | cval->res = 1; |
Takashi Iwai | 14790f1 | 2006-03-28 17:58:28 +0200 | [diff] [blame] | 1296 | |
| 1297 | /* Additional checks for the proper resolution |
| 1298 | * |
| 1299 | * Some devices report smaller resolutions than actually |
| 1300 | * reacting. They don't return errors but simply clip |
| 1301 | * to the lower aligned value. |
| 1302 | */ |
| 1303 | if (cval->min + cval->res < cval->max) { |
| 1304 | int last_valid_res = cval->res; |
| 1305 | int saved, test, check; |
Takashi Iwai | 167beb1 | 2019-11-09 19:16:58 +0100 | [diff] [blame] | 1306 | if (get_cur_mix_raw(cval, minchn, &saved) < 0) |
| 1307 | goto no_res_check; |
Takashi Iwai | 14790f1 | 2006-03-28 17:58:28 +0200 | [diff] [blame] | 1308 | for (;;) { |
| 1309 | test = saved; |
| 1310 | if (test < cval->max) |
| 1311 | test += cval->res; |
| 1312 | else |
| 1313 | test -= cval->res; |
| 1314 | if (test < cval->min || test > cval->max || |
Chris J Arges | eef9045 | 2014-11-12 12:07:01 -0600 | [diff] [blame] | 1315 | snd_usb_set_cur_mix_value(cval, minchn, 0, test) || |
Takashi Iwai | 641b487 | 2009-01-15 17:05:24 +0100 | [diff] [blame] | 1316 | get_cur_mix_raw(cval, minchn, &check)) { |
Takashi Iwai | 14790f1 | 2006-03-28 17:58:28 +0200 | [diff] [blame] | 1317 | cval->res = last_valid_res; |
| 1318 | break; |
| 1319 | } |
| 1320 | if (test == check) |
| 1321 | break; |
| 1322 | cval->res *= 2; |
| 1323 | } |
Chris J Arges | eef9045 | 2014-11-12 12:07:01 -0600 | [diff] [blame] | 1324 | snd_usb_set_cur_mix_value(cval, minchn, 0, saved); |
Takashi Iwai | 14790f1 | 2006-03-28 17:58:28 +0200 | [diff] [blame] | 1325 | } |
| 1326 | |
Takashi Iwai | 167beb1 | 2019-11-09 19:16:58 +0100 | [diff] [blame] | 1327 | no_res_check: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1328 | cval->initialized = 1; |
| 1329 | } |
Jaroslav Kysela | c3a3e04 | 2010-02-11 17:50:44 +0100 | [diff] [blame] | 1330 | |
Takashi Iwai | dcaaf9f | 2011-11-08 17:50:27 +0100 | [diff] [blame] | 1331 | if (kctl) |
| 1332 | volume_control_quirks(cval, kctl); |
| 1333 | |
Jaroslav Kysela | c3a3e04 | 2010-02-11 17:50:44 +0100 | [diff] [blame] | 1334 | /* USB descriptions contain the dB scale in 1/256 dB unit |
| 1335 | * while ALSA TLV contains in 1/100 dB unit |
| 1336 | */ |
| 1337 | cval->dBmin = (convert_signed_value(cval, cval->min) * 100) / 256; |
| 1338 | cval->dBmax = (convert_signed_value(cval, cval->max) * 100) / 256; |
| 1339 | if (cval->dBmin > cval->dBmax) { |
| 1340 | /* something is wrong; assume it's either from/to 0dB */ |
| 1341 | if (cval->dBmin < 0) |
| 1342 | cval->dBmax = 0; |
| 1343 | else if (cval->dBmin > 0) |
| 1344 | cval->dBmin = 0; |
| 1345 | if (cval->dBmin > cval->dBmax) { |
| 1346 | /* totally crap, return an error */ |
| 1347 | return -EINVAL; |
| 1348 | } |
Takashi Iwai | 21cba9c | 2021-02-27 11:57:37 +0100 | [diff] [blame] | 1349 | } else { |
| 1350 | /* if the max volume is too low, it's likely a bogus range; |
| 1351 | * here we use -96dB as the threshold |
| 1352 | */ |
| 1353 | if (cval->dBmax <= -9600) { |
| 1354 | usb_audio_info(cval->head.mixer->chip, |
| 1355 | "%d:%d: bogus dB values (%d/%d), disabling dB reporting\n", |
| 1356 | cval->head.id, mixer_ctrl_intf(cval->head.mixer), |
| 1357 | cval->dBmin, cval->dBmax); |
| 1358 | cval->dBmin = cval->dBmax = 0; |
| 1359 | } |
Jaroslav Kysela | c3a3e04 | 2010-02-11 17:50:44 +0100 | [diff] [blame] | 1360 | } |
| 1361 | |
Takashi Iwai | b96681b | 2021-10-14 15:06:36 +0200 | [diff] [blame] | 1362 | /* initialize all elements */ |
| 1363 | if (!cval->cmask) { |
| 1364 | init_cur_mix_raw(cval, 0, 0); |
| 1365 | } else { |
| 1366 | idx = 0; |
| 1367 | for (i = 0; i < MAX_CHANNELS; i++) { |
Takashi Iwai | e54dc3431 | 2024-07-15 14:36:45 +0200 | [diff] [blame] | 1368 | if (cval->cmask & BIT(i)) { |
Takashi Iwai | b96681b | 2021-10-14 15:06:36 +0200 | [diff] [blame] | 1369 | init_cur_mix_raw(cval, i + 1, idx); |
| 1370 | idx++; |
| 1371 | } |
| 1372 | } |
| 1373 | } |
| 1374 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1375 | return 0; |
| 1376 | } |
| 1377 | |
Takashi Iwai | dcaaf9f | 2011-11-08 17:50:27 +0100 | [diff] [blame] | 1378 | #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] | 1379 | |
| 1380 | /* get a feature/mixer unit info */ |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1381 | static int mixer_ctl_feature_info(struct snd_kcontrol *kcontrol, |
| 1382 | struct snd_ctl_elem_info *uinfo) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1383 | { |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 1384 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1385 | |
| 1386 | if (cval->val_type == USB_MIXER_BOOLEAN || |
| 1387 | cval->val_type == USB_MIXER_INV_BOOLEAN) |
| 1388 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; |
| 1389 | else |
| 1390 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
| 1391 | uinfo->count = cval->channels; |
| 1392 | if (cval->val_type == USB_MIXER_BOOLEAN || |
| 1393 | cval->val_type == USB_MIXER_INV_BOOLEAN) { |
| 1394 | uinfo->value.integer.min = 0; |
| 1395 | uinfo->value.integer.max = 1; |
| 1396 | } else { |
Takashi Iwai | 9fcd0ab | 2011-08-19 08:30:53 +0200 | [diff] [blame] | 1397 | if (!cval->initialized) { |
Takashi Iwai | dcaaf9f | 2011-11-08 17:50:27 +0100 | [diff] [blame] | 1398 | get_min_max_with_quirks(cval, 0, kcontrol); |
Takashi Iwai | 9fcd0ab | 2011-08-19 08:30:53 +0200 | [diff] [blame] | 1399 | if (cval->initialized && cval->dBmin >= cval->dBmax) { |
| 1400 | kcontrol->vd[0].access &= |
| 1401 | ~(SNDRV_CTL_ELEM_ACCESS_TLV_READ | |
| 1402 | SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK); |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 1403 | snd_ctl_notify(cval->head.mixer->chip->card, |
Takashi Iwai | 9fcd0ab | 2011-08-19 08:30:53 +0200 | [diff] [blame] | 1404 | SNDRV_CTL_EVENT_MASK_INFO, |
| 1405 | &kcontrol->id); |
| 1406 | } |
| 1407 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1408 | uinfo->value.integer.min = 0; |
Takashi Iwai | 14790f1 | 2006-03-28 17:58:28 +0200 | [diff] [blame] | 1409 | uinfo->value.integer.max = |
Lars-Peter Clausen | e4d8aef | 2020-12-23 18:22:22 +0100 | [diff] [blame] | 1410 | DIV_ROUND_UP(cval->max - cval->min, cval->res); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1411 | } |
| 1412 | return 0; |
| 1413 | } |
| 1414 | |
| 1415 | /* get the current value from feature/mixer unit */ |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1416 | static int mixer_ctl_feature_get(struct snd_kcontrol *kcontrol, |
| 1417 | struct snd_ctl_elem_value *ucontrol) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1418 | { |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 1419 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1420 | int c, cnt, val, err; |
| 1421 | |
Takashi Iwai | 641b487 | 2009-01-15 17:05:24 +0100 | [diff] [blame] | 1422 | ucontrol->value.integer.value[0] = cval->min; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1423 | if (cval->cmask) { |
| 1424 | cnt = 0; |
| 1425 | for (c = 0; c < MAX_CHANNELS; c++) { |
Takashi Iwai | e54dc3431 | 2024-07-15 14:36:45 +0200 | [diff] [blame] | 1426 | if (!(cval->cmask & BIT(c))) |
Takashi Iwai | 641b487 | 2009-01-15 17:05:24 +0100 | [diff] [blame] | 1427 | continue; |
Chris J Arges | eef9045 | 2014-11-12 12:07:01 -0600 | [diff] [blame] | 1428 | err = snd_usb_get_cur_mix_value(cval, c + 1, cnt, &val); |
Takashi Iwai | 641b487 | 2009-01-15 17:05:24 +0100 | [diff] [blame] | 1429 | if (err < 0) |
Takashi Iwai | 5aeee34 | 2014-11-18 11:02:14 +0100 | [diff] [blame] | 1430 | return filter_error(cval, err); |
Takashi Iwai | 641b487 | 2009-01-15 17:05:24 +0100 | [diff] [blame] | 1431 | val = get_relative_value(cval, val); |
| 1432 | ucontrol->value.integer.value[cnt] = val; |
| 1433 | cnt++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1434 | } |
Takashi Iwai | 641b487 | 2009-01-15 17:05:24 +0100 | [diff] [blame] | 1435 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1436 | } else { |
| 1437 | /* master channel */ |
Chris J Arges | eef9045 | 2014-11-12 12:07:01 -0600 | [diff] [blame] | 1438 | err = snd_usb_get_cur_mix_value(cval, 0, 0, &val); |
Takashi Iwai | 641b487 | 2009-01-15 17:05:24 +0100 | [diff] [blame] | 1439 | if (err < 0) |
Takashi Iwai | 5aeee34 | 2014-11-18 11:02:14 +0100 | [diff] [blame] | 1440 | return filter_error(cval, err); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1441 | val = get_relative_value(cval, val); |
| 1442 | ucontrol->value.integer.value[0] = val; |
| 1443 | } |
| 1444 | return 0; |
| 1445 | } |
| 1446 | |
| 1447 | /* put the current value to feature/mixer unit */ |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1448 | static int mixer_ctl_feature_put(struct snd_kcontrol *kcontrol, |
| 1449 | struct snd_ctl_elem_value *ucontrol) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1450 | { |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 1451 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1452 | int c, cnt, val, oval, err; |
| 1453 | int changed = 0; |
| 1454 | |
| 1455 | if (cval->cmask) { |
| 1456 | cnt = 0; |
| 1457 | for (c = 0; c < MAX_CHANNELS; c++) { |
Takashi Iwai | e54dc3431 | 2024-07-15 14:36:45 +0200 | [diff] [blame] | 1458 | if (!(cval->cmask & BIT(c))) |
Takashi Iwai | 641b487 | 2009-01-15 17:05:24 +0100 | [diff] [blame] | 1459 | continue; |
Chris J Arges | eef9045 | 2014-11-12 12:07:01 -0600 | [diff] [blame] | 1460 | err = snd_usb_get_cur_mix_value(cval, c + 1, cnt, &oval); |
Takashi Iwai | 641b487 | 2009-01-15 17:05:24 +0100 | [diff] [blame] | 1461 | if (err < 0) |
Takashi Iwai | 5aeee34 | 2014-11-18 11:02:14 +0100 | [diff] [blame] | 1462 | return filter_error(cval, err); |
Takashi Iwai | 641b487 | 2009-01-15 17:05:24 +0100 | [diff] [blame] | 1463 | val = ucontrol->value.integer.value[cnt]; |
| 1464 | val = get_abs_value(cval, val); |
| 1465 | if (oval != val) { |
Chris J Arges | eef9045 | 2014-11-12 12:07:01 -0600 | [diff] [blame] | 1466 | snd_usb_set_cur_mix_value(cval, c + 1, cnt, val); |
Takashi Iwai | 641b487 | 2009-01-15 17:05:24 +0100 | [diff] [blame] | 1467 | changed = 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1468 | } |
Takashi Iwai | 641b487 | 2009-01-15 17:05:24 +0100 | [diff] [blame] | 1469 | cnt++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1470 | } |
| 1471 | } else { |
| 1472 | /* master channel */ |
Chris J Arges | eef9045 | 2014-11-12 12:07:01 -0600 | [diff] [blame] | 1473 | err = snd_usb_get_cur_mix_value(cval, 0, 0, &oval); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1474 | if (err < 0) |
Takashi Iwai | 5aeee34 | 2014-11-18 11:02:14 +0100 | [diff] [blame] | 1475 | return filter_error(cval, err); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1476 | val = ucontrol->value.integer.value[0]; |
| 1477 | val = get_abs_value(cval, val); |
| 1478 | if (val != oval) { |
Chris J Arges | eef9045 | 2014-11-12 12:07:01 -0600 | [diff] [blame] | 1479 | snd_usb_set_cur_mix_value(cval, 0, 0, val); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1480 | changed = 1; |
| 1481 | } |
| 1482 | } |
| 1483 | return changed; |
| 1484 | } |
| 1485 | |
Andrew Chant | 568fa7e | 2018-03-23 19:25:24 -0700 | [diff] [blame] | 1486 | /* get the boolean value from the master channel of a UAC control */ |
| 1487 | static int mixer_ctl_master_bool_get(struct snd_kcontrol *kcontrol, |
| 1488 | struct snd_ctl_elem_value *ucontrol) |
Andrew Chant | 5a222e8 | 2018-03-23 19:25:23 -0700 | [diff] [blame] | 1489 | { |
| 1490 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
| 1491 | int val, err; |
| 1492 | |
| 1493 | err = snd_usb_get_cur_mix_value(cval, 0, 0, &val); |
| 1494 | if (err < 0) |
| 1495 | return filter_error(cval, err); |
| 1496 | val = (val != 0); |
| 1497 | ucontrol->value.integer.value[0] = val; |
| 1498 | return 0; |
| 1499 | } |
| 1500 | |
Kai-Heng Feng | 69644fc | 2021-03-26 00:59:12 +0800 | [diff] [blame] | 1501 | static int get_connector_value(struct usb_mixer_elem_info *cval, |
| 1502 | char *name, int *val) |
Jorge Sanjuan | 1d38f5d | 2018-05-11 16:25:36 +0100 | [diff] [blame] | 1503 | { |
Jorge Sanjuan | 1d38f5d | 2018-05-11 16:25:36 +0100 | [diff] [blame] | 1504 | struct snd_usb_audio *chip = cval->head.mixer->chip; |
Kai-Heng Feng | 69644fc | 2021-03-26 00:59:12 +0800 | [diff] [blame] | 1505 | int idx = 0, validx, ret; |
Jorge Sanjuan | 1d38f5d | 2018-05-11 16:25:36 +0100 | [diff] [blame] | 1506 | |
| 1507 | validx = cval->control << 8 | 0; |
| 1508 | |
| 1509 | ret = snd_usb_lock_shutdown(chip) ? -EIO : 0; |
| 1510 | if (ret) |
| 1511 | goto error; |
| 1512 | |
Chris Wulff | 0aef31b | 2020-03-14 12:54:48 -0400 | [diff] [blame] | 1513 | idx = mixer_ctrl_intf(cval->head.mixer) | (cval->head.id << 8); |
Jorge Sanjuan | 1d38f5d | 2018-05-11 16:25:36 +0100 | [diff] [blame] | 1514 | if (cval->head.mixer->protocol == UAC_VERSION_2) { |
| 1515 | struct uac2_connectors_ctl_blk uac2_conn; |
| 1516 | |
| 1517 | ret = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), UAC2_CS_CUR, |
| 1518 | USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, |
| 1519 | validx, idx, &uac2_conn, sizeof(uac2_conn)); |
Kai-Heng Feng | 69644fc | 2021-03-26 00:59:12 +0800 | [diff] [blame] | 1520 | if (val) |
| 1521 | *val = !!uac2_conn.bNrChannels; |
Jorge Sanjuan | 1d38f5d | 2018-05-11 16:25:36 +0100 | [diff] [blame] | 1522 | } else { /* UAC_VERSION_3 */ |
| 1523 | struct uac3_insertion_ctl_blk uac3_conn; |
| 1524 | |
| 1525 | ret = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), UAC2_CS_CUR, |
| 1526 | USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, |
| 1527 | validx, idx, &uac3_conn, sizeof(uac3_conn)); |
Kai-Heng Feng | 69644fc | 2021-03-26 00:59:12 +0800 | [diff] [blame] | 1528 | if (val) |
| 1529 | *val = !!uac3_conn.bmConInserted; |
Jorge Sanjuan | 1d38f5d | 2018-05-11 16:25:36 +0100 | [diff] [blame] | 1530 | } |
| 1531 | |
| 1532 | snd_usb_unlock_shutdown(chip); |
| 1533 | |
| 1534 | if (ret < 0) { |
Kai-Heng Feng | 69644fc | 2021-03-26 00:59:12 +0800 | [diff] [blame] | 1535 | if (name && strstr(name, "Speaker")) { |
| 1536 | if (val) |
| 1537 | *val = 1; |
Kai-Heng Feng | f8c11eb | 2020-08-03 22:26:08 +0800 | [diff] [blame] | 1538 | return 0; |
| 1539 | } |
Jorge Sanjuan | 1d38f5d | 2018-05-11 16:25:36 +0100 | [diff] [blame] | 1540 | error: |
| 1541 | usb_audio_err(chip, |
| 1542 | "cannot get connectors status: req = %#x, wValue = %#x, wIndex = %#x, type = %d\n", |
| 1543 | UAC_GET_CUR, validx, idx, cval->val_type); |
Tom Rix | 3da4b74 | 2022-01-26 10:21:42 -0800 | [diff] [blame] | 1544 | |
| 1545 | if (val) |
| 1546 | *val = 0; |
| 1547 | |
Takashi Iwai | 48cc429 | 2020-04-12 10:13:28 +0200 | [diff] [blame] | 1548 | return filter_error(cval, ret); |
Jorge Sanjuan | 1d38f5d | 2018-05-11 16:25:36 +0100 | [diff] [blame] | 1549 | } |
| 1550 | |
Kai-Heng Feng | 69644fc | 2021-03-26 00:59:12 +0800 | [diff] [blame] | 1551 | return ret; |
| 1552 | } |
| 1553 | |
| 1554 | /* get the connectors status and report it as boolean type */ |
| 1555 | static int mixer_ctl_connector_get(struct snd_kcontrol *kcontrol, |
| 1556 | struct snd_ctl_elem_value *ucontrol) |
| 1557 | { |
| 1558 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
| 1559 | int ret, val; |
| 1560 | |
| 1561 | ret = get_connector_value(cval, kcontrol->id.name, &val); |
| 1562 | |
| 1563 | if (ret < 0) |
| 1564 | return ret; |
| 1565 | |
Jorge Sanjuan | 1d38f5d | 2018-05-11 16:25:36 +0100 | [diff] [blame] | 1566 | ucontrol->value.integer.value[0] = val; |
| 1567 | return 0; |
| 1568 | } |
| 1569 | |
Takashi Iwai | 195727e | 2020-01-03 09:16:57 +0100 | [diff] [blame] | 1570 | static const struct snd_kcontrol_new usb_feature_unit_ctl = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1571 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| 1572 | .name = "", /* will be filled later manually */ |
| 1573 | .info = mixer_ctl_feature_info, |
| 1574 | .get = mixer_ctl_feature_get, |
| 1575 | .put = mixer_ctl_feature_put, |
| 1576 | }; |
| 1577 | |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 1578 | /* the read-only variant */ |
Bhumika Goyal | 8fdaebb | 2017-04-12 18:38:06 +0530 | [diff] [blame] | 1579 | static const struct snd_kcontrol_new usb_feature_unit_ctl_ro = { |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 1580 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| 1581 | .name = "", /* will be filled later manually */ |
| 1582 | .info = mixer_ctl_feature_info, |
| 1583 | .get = mixer_ctl_feature_get, |
| 1584 | .put = NULL, |
| 1585 | }; |
| 1586 | |
Andrew Chant | 568fa7e | 2018-03-23 19:25:24 -0700 | [diff] [blame] | 1587 | /* |
| 1588 | * A control which shows the boolean value from reading a UAC control on |
| 1589 | * the master channel. |
| 1590 | */ |
Takashi Iwai | 195727e | 2020-01-03 09:16:57 +0100 | [diff] [blame] | 1591 | static const struct snd_kcontrol_new usb_bool_master_control_ctl_ro = { |
Andrew Chant | 5a222e8 | 2018-03-23 19:25:23 -0700 | [diff] [blame] | 1592 | .iface = SNDRV_CTL_ELEM_IFACE_CARD, |
| 1593 | .name = "", /* will be filled later manually */ |
| 1594 | .access = SNDRV_CTL_ELEM_ACCESS_READ, |
| 1595 | .info = snd_ctl_boolean_mono_info, |
Andrew Chant | 568fa7e | 2018-03-23 19:25:24 -0700 | [diff] [blame] | 1596 | .get = mixer_ctl_master_bool_get, |
Andrew Chant | 5a222e8 | 2018-03-23 19:25:23 -0700 | [diff] [blame] | 1597 | .put = NULL, |
| 1598 | }; |
| 1599 | |
Jorge Sanjuan | 1d38f5d | 2018-05-11 16:25:36 +0100 | [diff] [blame] | 1600 | static const struct snd_kcontrol_new usb_connector_ctl_ro = { |
| 1601 | .iface = SNDRV_CTL_ELEM_IFACE_CARD, |
| 1602 | .name = "", /* will be filled later manually */ |
| 1603 | .access = SNDRV_CTL_ELEM_ACCESS_READ, |
| 1604 | .info = snd_ctl_boolean_mono_info, |
| 1605 | .get = mixer_ctl_connector_get, |
| 1606 | .put = NULL, |
| 1607 | }; |
| 1608 | |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1609 | /* |
| 1610 | * This symbol is exported in order to allow the mixer quirks to |
| 1611 | * hook up to the standard feature unit control mechanism |
| 1612 | */ |
Takashi Iwai | 195727e | 2020-01-03 09:16:57 +0100 | [diff] [blame] | 1613 | const 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] | 1614 | |
| 1615 | /* |
| 1616 | * build a feature control |
| 1617 | */ |
Takashi Iwai | 08d1e63 | 2009-10-02 14:06:08 +0200 | [diff] [blame] | 1618 | static size_t append_ctl_name(struct snd_kcontrol *kctl, const char *str) |
| 1619 | { |
| 1620 | return strlcat(kctl->id.name, str, sizeof(kctl->id.name)); |
| 1621 | } |
| 1622 | |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1623 | /* |
| 1624 | * A lot of headsets/headphones have a "Speaker" mixer. Make sure we |
| 1625 | * rename it to "Headphone". We determine if something is a headphone |
| 1626 | * similar to how udev determines form factor. |
| 1627 | */ |
David Henningsson | 9b4ef97 | 2012-11-23 13:48:55 +0100 | [diff] [blame] | 1628 | static void check_no_speaker_on_headset(struct snd_kcontrol *kctl, |
| 1629 | struct snd_card *card) |
| 1630 | { |
Colin Ian King | d125459 | 2021-08-03 13:28:39 +0100 | [diff] [blame] | 1631 | static const char * const names_to_check[] = { |
David Henningsson | 9b4ef97 | 2012-11-23 13:48:55 +0100 | [diff] [blame] | 1632 | "Headset", "headset", "Headphone", "headphone", NULL}; |
Colin Ian King | d125459 | 2021-08-03 13:28:39 +0100 | [diff] [blame] | 1633 | const char * const *s; |
Peter Senna Tschudin | e0f17c7 | 2013-09-22 20:44:12 +0200 | [diff] [blame] | 1634 | bool found = false; |
David Henningsson | 9b4ef97 | 2012-11-23 13:48:55 +0100 | [diff] [blame] | 1635 | |
| 1636 | if (strcmp("Speaker", kctl->id.name)) |
| 1637 | return; |
| 1638 | |
| 1639 | for (s = names_to_check; *s; s++) |
| 1640 | if (strstr(card->shortname, *s)) { |
Peter Senna Tschudin | e0f17c7 | 2013-09-22 20:44:12 +0200 | [diff] [blame] | 1641 | found = true; |
David Henningsson | 9b4ef97 | 2012-11-23 13:48:55 +0100 | [diff] [blame] | 1642 | break; |
| 1643 | } |
| 1644 | |
| 1645 | if (!found) |
| 1646 | return; |
| 1647 | |
Maciej S. Szmigiero | 0b4f0de | 2022-10-20 22:46:22 +0200 | [diff] [blame] | 1648 | snd_ctl_rename(card, kctl, "Headphone"); |
David Henningsson | 9b4ef97 | 2012-11-23 13:48:55 +0100 | [diff] [blame] | 1649 | } |
| 1650 | |
Takashi Iwai | a01df92 | 2020-01-05 15:47:26 +0100 | [diff] [blame] | 1651 | static const struct usb_feature_control_info *get_feature_control_info(int control) |
Andrew Chant | 21e9b3e | 2018-03-22 14:39:55 -0700 | [diff] [blame] | 1652 | { |
| 1653 | int i; |
| 1654 | |
| 1655 | for (i = 0; i < ARRAY_SIZE(audio_feature_info); ++i) { |
| 1656 | if (audio_feature_info[i].control == control) |
| 1657 | return &audio_feature_info[i]; |
| 1658 | } |
| 1659 | return NULL; |
| 1660 | } |
| 1661 | |
Ruslan Bilovol | 17156f2 | 2018-05-04 04:24:04 +0300 | [diff] [blame] | 1662 | static void __build_feature_ctl(struct usb_mixer_interface *mixer, |
| 1663 | const struct usbmix_name_map *imap, |
| 1664 | unsigned int ctl_mask, int control, |
| 1665 | struct usb_audio_term *iterm, |
| 1666 | struct usb_audio_term *oterm, |
| 1667 | int unitid, int nameid, int readonly_mask) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1668 | { |
Takashi Iwai | a01df92 | 2020-01-05 15:47:26 +0100 | [diff] [blame] | 1669 | const struct usb_feature_control_info *ctl_info; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1670 | unsigned int len = 0; |
| 1671 | int mapped_name = 0; |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 1672 | struct snd_kcontrol *kctl; |
| 1673 | struct usb_mixer_elem_info *cval; |
Jaroslav Kysela | c3a3e04 | 2010-02-11 17:50:44 +0100 | [diff] [blame] | 1674 | const struct usbmix_name_map *map; |
Alexey Fisher | 80aceff | 2011-03-10 14:53:38 +0100 | [diff] [blame] | 1675 | unsigned int range; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1676 | |
Daniel Mack | 65f25da | 2010-05-31 13:35:41 +0200 | [diff] [blame] | 1677 | if (control == UAC_FU_GRAPHIC_EQUALIZER) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1678 | /* FIXME: not supported yet */ |
| 1679 | return; |
| 1680 | } |
| 1681 | |
Ruslan Bilovol | 17156f2 | 2018-05-04 04:24:04 +0300 | [diff] [blame] | 1682 | map = find_map(imap, unitid, control); |
Jaroslav Kysela | c3a3e04 | 2010-02-11 17:50:44 +0100 | [diff] [blame] | 1683 | if (check_ignored_ctl(map)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1684 | return; |
| 1685 | |
Takashi Iwai | 561b220 | 2005-09-09 14:22:34 +0200 | [diff] [blame] | 1686 | cval = kzalloc(sizeof(*cval), GFP_KERNEL); |
Daniel Mack | a860d95 | 2014-05-24 10:58:17 +0200 | [diff] [blame] | 1687 | if (!cval) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1688 | return; |
Ruslan Bilovol | 17156f2 | 2018-05-04 04:24:04 +0300 | [diff] [blame] | 1689 | snd_usb_mixer_elem_init_std(&cval->head, mixer, unitid); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1690 | cval->control = control; |
| 1691 | cval->cmask = ctl_mask; |
Andrew Chant | 21e9b3e | 2018-03-22 14:39:55 -0700 | [diff] [blame] | 1692 | |
| 1693 | ctl_info = get_feature_control_info(control); |
Colin Ian King | 6237602 | 2018-03-27 15:30:01 +0100 | [diff] [blame] | 1694 | if (!ctl_info) { |
Takashi Iwai | 52c3e31 | 2019-08-22 08:23:10 +0200 | [diff] [blame] | 1695 | usb_mixer_elem_info_free(cval); |
Andrew Chant | 21e9b3e | 2018-03-22 14:39:55 -0700 | [diff] [blame] | 1696 | return; |
Colin Ian King | 6237602 | 2018-03-27 15:30:01 +0100 | [diff] [blame] | 1697 | } |
Ruslan Bilovol | 17156f2 | 2018-05-04 04:24:04 +0300 | [diff] [blame] | 1698 | if (mixer->protocol == UAC_VERSION_1) |
Julian Scheel | bc18e31 | 2015-08-14 16:14:45 +0200 | [diff] [blame] | 1699 | cval->val_type = ctl_info->type; |
| 1700 | else /* UAC_VERSION_2 */ |
| 1701 | cval->val_type = ctl_info->type_uac2 >= 0 ? |
| 1702 | ctl_info->type_uac2 : ctl_info->type; |
| 1703 | |
Daniel Mack | a6a3325 | 2010-05-31 13:35:37 +0200 | [diff] [blame] | 1704 | if (ctl_mask == 0) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1705 | cval->channels = 1; /* master channel */ |
Daniel Mack | a6a3325 | 2010-05-31 13:35:37 +0200 | [diff] [blame] | 1706 | cval->master_readonly = readonly_mask; |
| 1707 | } else { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1708 | int i, c = 0; |
| 1709 | for (i = 0; i < 16; i++) |
Takashi Iwai | e54dc3431 | 2024-07-15 14:36:45 +0200 | [diff] [blame] | 1710 | if (ctl_mask & BIT(i)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1711 | c++; |
| 1712 | cval->channels = c; |
Daniel Mack | a6a3325 | 2010-05-31 13:35:37 +0200 | [diff] [blame] | 1713 | cval->ch_readonly = readonly_mask; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1714 | } |
| 1715 | |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1716 | /* |
| 1717 | * 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] | 1718 | * 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] | 1719 | * issue write commands to read-only channels. |
| 1720 | */ |
Daniel Mack | a6a3325 | 2010-05-31 13:35:37 +0200 | [diff] [blame] | 1721 | if (cval->channels == readonly_mask) |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 1722 | kctl = snd_ctl_new1(&usb_feature_unit_ctl_ro, cval); |
| 1723 | else |
| 1724 | kctl = snd_ctl_new1(&usb_feature_unit_ctl, cval); |
| 1725 | |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1726 | if (!kctl) { |
Ruslan Bilovol | 17156f2 | 2018-05-04 04:24:04 +0300 | [diff] [blame] | 1727 | usb_audio_err(mixer->chip, "cannot malloc kcontrol\n"); |
Takashi Iwai | 52c3e31 | 2019-08-22 08:23:10 +0200 | [diff] [blame] | 1728 | usb_mixer_elem_info_free(cval); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1729 | return; |
| 1730 | } |
Chris J Arges | eef9045 | 2014-11-12 12:07:01 -0600 | [diff] [blame] | 1731 | kctl->private_free = snd_usb_mixer_elem_free; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1732 | |
Jaroslav Kysela | c3a3e04 | 2010-02-11 17:50:44 +0100 | [diff] [blame] | 1733 | len = check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1734 | mapped_name = len != 0; |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1735 | if (!len && nameid) |
Ruslan Bilovol | 17156f2 | 2018-05-04 04:24:04 +0300 | [diff] [blame] | 1736 | len = snd_usb_copy_string_desc(mixer->chip, nameid, |
Jaroslav Kysela | c3a3e04 | 2010-02-11 17:50:44 +0100 | [diff] [blame] | 1737 | kctl->id.name, sizeof(kctl->id.name)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1738 | |
| 1739 | switch (control) { |
Daniel Mack | 65f25da | 2010-05-31 13:35:41 +0200 | [diff] [blame] | 1740 | case UAC_FU_MUTE: |
| 1741 | case UAC_FU_VOLUME: |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1742 | /* |
Takashi Iwai | c53898e | 2024-03-16 09:37:30 +0100 | [diff] [blame] | 1743 | * determine the control name. the rule is: |
| 1744 | * - if a name id is given in descriptor, use it. |
| 1745 | * - if the connected input can be determined, then use the name |
| 1746 | * of terminal type. |
| 1747 | * - if the connected output can be determined, use it. |
| 1748 | * - otherwise, anonymous name. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1749 | */ |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1750 | if (!len) { |
Takashi Iwai | c53898e | 2024-03-16 09:37:30 +0100 | [diff] [blame] | 1751 | if (iterm) |
| 1752 | len = get_term_name(mixer->chip, iterm, |
| 1753 | kctl->id.name, |
| 1754 | sizeof(kctl->id.name), 1); |
| 1755 | if (!len && oterm) |
| 1756 | len = get_term_name(mixer->chip, oterm, |
| 1757 | kctl->id.name, |
| 1758 | sizeof(kctl->id.name), 1); |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1759 | if (!len) |
Daniel Mack | 49fd46d2 | 2014-10-19 09:11:25 +0200 | [diff] [blame] | 1760 | snprintf(kctl->id.name, sizeof(kctl->id.name), |
| 1761 | "Feature %d", unitid); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1762 | } |
David Henningsson | 9b4ef97 | 2012-11-23 13:48:55 +0100 | [diff] [blame] | 1763 | |
| 1764 | if (!mapped_name) |
Ruslan Bilovol | 17156f2 | 2018-05-04 04:24:04 +0300 | [diff] [blame] | 1765 | check_no_speaker_on_headset(kctl, mixer->chip->card); |
David Henningsson | 9b4ef97 | 2012-11-23 13:48:55 +0100 | [diff] [blame] | 1766 | |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1767 | /* |
| 1768 | * determine the stream direction: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1769 | * if the connected output is USB stream, then it's likely a |
| 1770 | * capture stream. otherwise it should be playback (hopefully :) |
| 1771 | */ |
Ruslan Bilovol | 17156f2 | 2018-05-04 04:24:04 +0300 | [diff] [blame] | 1772 | if (!mapped_name && oterm && !(oterm->type >> 16)) { |
| 1773 | if ((oterm->type & 0xff00) == 0x0100) |
Daniel Mack | 49fd46d2 | 2014-10-19 09:11:25 +0200 | [diff] [blame] | 1774 | append_ctl_name(kctl, " Capture"); |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1775 | else |
Daniel Mack | 49fd46d2 | 2014-10-19 09:11:25 +0200 | [diff] [blame] | 1776 | append_ctl_name(kctl, " Playback"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1777 | } |
Daniel Mack | 65f25da | 2010-05-31 13:35:41 +0200 | [diff] [blame] | 1778 | append_ctl_name(kctl, control == UAC_FU_MUTE ? |
Takashi Iwai | 08d1e63 | 2009-10-02 14:06:08 +0200 | [diff] [blame] | 1779 | " Switch" : " Volume"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1780 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1781 | default: |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1782 | if (!len) |
Joe Perches | 75b1a8f | 2021-01-04 09:17:34 -0800 | [diff] [blame] | 1783 | strscpy(kctl->id.name, audio_feature_info[control-1].name, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1784 | sizeof(kctl->id.name)); |
| 1785 | break; |
| 1786 | } |
| 1787 | |
Takashi Iwai | e182534 | 2012-05-14 17:11:06 +0200 | [diff] [blame] | 1788 | /* get min/max values */ |
| 1789 | get_min_max_with_quirks(cval, 0, kctl); |
| 1790 | |
Takashi Iwai | e9a0ef0 | 2020-02-14 15:49:28 +0100 | [diff] [blame] | 1791 | /* skip a bogus volume range */ |
| 1792 | if (cval->max <= cval->min) { |
| 1793 | usb_audio_dbg(mixer->chip, |
| 1794 | "[%d] FU [%s] skipped due to invalid volume\n", |
| 1795 | cval->head.id, kctl->id.name); |
| 1796 | snd_ctl_free_one(kctl); |
| 1797 | return; |
| 1798 | } |
| 1799 | |
| 1800 | |
Takashi Iwai | e182534 | 2012-05-14 17:11:06 +0200 | [diff] [blame] | 1801 | if (control == UAC_FU_VOLUME) { |
| 1802 | check_mapped_dB(map, cval); |
| 1803 | if (cval->dBmin < cval->dBmax || !cval->initialized) { |
| 1804 | kctl->tlv.c = snd_usb_mixer_vol_tlv; |
| 1805 | kctl->vd[0].access |= |
| 1806 | SNDRV_CTL_ELEM_ACCESS_TLV_READ | |
| 1807 | SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK; |
| 1808 | } |
| 1809 | } |
| 1810 | |
Ruslan Bilovol | 17156f2 | 2018-05-04 04:24:04 +0300 | [diff] [blame] | 1811 | snd_usb_mixer_fu_apply_quirk(mixer, cval, unitid, kctl); |
Anssi Hannula | 42e3121 | 2015-12-13 20:49:58 +0200 | [diff] [blame] | 1812 | |
Alexey Fisher | 80aceff | 2011-03-10 14:53:38 +0100 | [diff] [blame] | 1813 | range = (cval->max - cval->min) / cval->res; |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1814 | /* |
| 1815 | * 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] | 1816 | * to be sure. 384 is a resolution magic number found on Logitech |
| 1817 | * devices. It will definitively catch all buggy Logitech devices. |
| 1818 | */ |
| 1819 | if (range > 384) { |
Ruslan Bilovol | 17156f2 | 2018-05-04 04:24:04 +0300 | [diff] [blame] | 1820 | usb_audio_warn(mixer->chip, |
Michał Mirosław | 82c1cf0 | 2014-08-03 15:09:57 +0200 | [diff] [blame] | 1821 | "Warning! Unlikely big volume range (=%u), cval->res is probably wrong.", |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1822 | range); |
Ruslan Bilovol | 17156f2 | 2018-05-04 04:24:04 +0300 | [diff] [blame] | 1823 | usb_audio_warn(mixer->chip, |
Michał Mirosław | 82c1cf0 | 2014-08-03 15:09:57 +0200 | [diff] [blame] | 1824 | "[%d] FU [%s] ch = %d, val = %d/%d/%d", |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 1825 | cval->head.id, kctl->id.name, cval->channels, |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1826 | cval->min, cval->max, cval->res); |
Alexey Fisher | 80aceff | 2011-03-10 14:53:38 +0100 | [diff] [blame] | 1827 | } |
| 1828 | |
Ruslan Bilovol | 17156f2 | 2018-05-04 04:24:04 +0300 | [diff] [blame] | 1829 | usb_audio_dbg(mixer->chip, "[%d] FU [%s] ch = %d, val = %d/%d/%d\n", |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 1830 | cval->head.id, kctl->id.name, cval->channels, |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1831 | cval->min, cval->max, cval->res); |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 1832 | snd_usb_mixer_add_control(&cval->head, kctl); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1833 | } |
| 1834 | |
Ruslan Bilovol | 17156f2 | 2018-05-04 04:24:04 +0300 | [diff] [blame] | 1835 | static void build_feature_ctl(struct mixer_build *state, void *raw_desc, |
| 1836 | unsigned int ctl_mask, int control, |
| 1837 | struct usb_audio_term *iterm, int unitid, |
| 1838 | int readonly_mask) |
| 1839 | { |
| 1840 | struct uac_feature_unit_descriptor *desc = raw_desc; |
| 1841 | int nameid = uac_feature_unit_iFeature(desc); |
| 1842 | |
| 1843 | __build_feature_ctl(state->mixer, state->map, ctl_mask, control, |
| 1844 | iterm, &state->oterm, unitid, nameid, readonly_mask); |
| 1845 | } |
| 1846 | |
| 1847 | static void build_feature_ctl_badd(struct usb_mixer_interface *mixer, |
| 1848 | unsigned int ctl_mask, int control, int unitid, |
| 1849 | const struct usbmix_name_map *badd_map) |
| 1850 | { |
| 1851 | __build_feature_ctl(mixer, badd_map, ctl_mask, control, |
| 1852 | NULL, NULL, unitid, 0, 0); |
| 1853 | } |
| 1854 | |
Jorge Sanjuan | 167e1fb | 2018-06-14 15:05:56 +0100 | [diff] [blame] | 1855 | static void get_connector_control_name(struct usb_mixer_interface *mixer, |
Andrew Chant | 5a222e8 | 2018-03-23 19:25:23 -0700 | [diff] [blame] | 1856 | struct usb_audio_term *term, |
| 1857 | bool is_input, char *name, int name_size) |
| 1858 | { |
Jorge Sanjuan | 167e1fb | 2018-06-14 15:05:56 +0100 | [diff] [blame] | 1859 | int name_len = get_term_name(mixer->chip, term, name, name_size, 0); |
Andrew Chant | 5a222e8 | 2018-03-23 19:25:23 -0700 | [diff] [blame] | 1860 | |
| 1861 | if (name_len == 0) |
Joe Perches | 75b1a8f | 2021-01-04 09:17:34 -0800 | [diff] [blame] | 1862 | strscpy(name, "Unknown", name_size); |
Andrew Chant | 5a222e8 | 2018-03-23 19:25:23 -0700 | [diff] [blame] | 1863 | |
| 1864 | /* |
| 1865 | * sound/core/ctljack.c has a convention of naming jack controls |
| 1866 | * by ending in " Jack". Make it slightly more useful by |
| 1867 | * indicating Input or Output after the terminal name. |
| 1868 | */ |
| 1869 | if (is_input) |
| 1870 | strlcat(name, " - Input Jack", name_size); |
| 1871 | else |
| 1872 | strlcat(name, " - Output Jack", name_size); |
| 1873 | } |
| 1874 | |
Takashi Iwai | 8dde723 | 2021-07-29 20:51:26 +0200 | [diff] [blame] | 1875 | /* get connector value to "wake up" the USB audio */ |
| 1876 | static int connector_mixer_resume(struct usb_mixer_elem_list *list) |
| 1877 | { |
| 1878 | struct usb_mixer_elem_info *cval = mixer_elem_list_to_info(list); |
| 1879 | |
| 1880 | get_connector_value(cval, NULL, NULL); |
| 1881 | return 0; |
| 1882 | } |
| 1883 | |
Andrew Chant | 5a222e8 | 2018-03-23 19:25:23 -0700 | [diff] [blame] | 1884 | /* Build a mixer control for a UAC connector control (jack-detect) */ |
Jorge Sanjuan | 167e1fb | 2018-06-14 15:05:56 +0100 | [diff] [blame] | 1885 | static void build_connector_control(struct usb_mixer_interface *mixer, |
Takashi Iwai | 934b965 | 2020-04-12 10:13:31 +0200 | [diff] [blame] | 1886 | const struct usbmix_name_map *imap, |
Andrew Chant | 5a222e8 | 2018-03-23 19:25:23 -0700 | [diff] [blame] | 1887 | struct usb_audio_term *term, bool is_input) |
| 1888 | { |
| 1889 | struct snd_kcontrol *kctl; |
| 1890 | struct usb_mixer_elem_info *cval; |
Takashi Iwai | a43c1c4 | 2020-04-20 08:20:36 +0200 | [diff] [blame] | 1891 | const struct usbmix_name_map *map; |
Andrew Chant | 5a222e8 | 2018-03-23 19:25:23 -0700 | [diff] [blame] | 1892 | |
Takashi Iwai | a43c1c4 | 2020-04-20 08:20:36 +0200 | [diff] [blame] | 1893 | map = find_map(imap, term->id, 0); |
| 1894 | if (check_ignored_ctl(map)) |
Takashi Iwai | 934b965 | 2020-04-12 10:13:31 +0200 | [diff] [blame] | 1895 | return; |
| 1896 | |
Andrew Chant | 5a222e8 | 2018-03-23 19:25:23 -0700 | [diff] [blame] | 1897 | cval = kzalloc(sizeof(*cval), GFP_KERNEL); |
| 1898 | if (!cval) |
| 1899 | return; |
Jorge Sanjuan | 167e1fb | 2018-06-14 15:05:56 +0100 | [diff] [blame] | 1900 | snd_usb_mixer_elem_init_std(&cval->head, mixer, term->id); |
Takashi Iwai | 8dde723 | 2021-07-29 20:51:26 +0200 | [diff] [blame] | 1901 | |
| 1902 | /* set up a specific resume callback */ |
| 1903 | cval->head.resume = connector_mixer_resume; |
| 1904 | |
Andrew Chant | 568fa7e | 2018-03-23 19:25:24 -0700 | [diff] [blame] | 1905 | /* |
Jorge Sanjuan | 1d38f5d | 2018-05-11 16:25:36 +0100 | [diff] [blame] | 1906 | * UAC2: The first byte from reading the UAC2_TE_CONNECTOR control returns the |
| 1907 | * number of channels connected. |
| 1908 | * |
| 1909 | * UAC3: The first byte specifies size of bitmap for the inserted controls. The |
| 1910 | * following byte(s) specifies which connectors are inserted. |
| 1911 | * |
| 1912 | * This boolean ctl will simply report if any channels are connected |
| 1913 | * or not. |
Andrew Chant | 568fa7e | 2018-03-23 19:25:24 -0700 | [diff] [blame] | 1914 | */ |
Jorge Sanjuan | 167e1fb | 2018-06-14 15:05:56 +0100 | [diff] [blame] | 1915 | if (mixer->protocol == UAC_VERSION_2) |
Jorge Sanjuan | 1d38f5d | 2018-05-11 16:25:36 +0100 | [diff] [blame] | 1916 | cval->control = UAC2_TE_CONNECTOR; |
| 1917 | else /* UAC_VERSION_3 */ |
| 1918 | cval->control = UAC3_TE_INSERTION; |
| 1919 | |
Andrew Chant | 5a222e8 | 2018-03-23 19:25:23 -0700 | [diff] [blame] | 1920 | cval->val_type = USB_MIXER_BOOLEAN; |
| 1921 | cval->channels = 1; /* report true if any channel is connected */ |
| 1922 | cval->min = 0; |
| 1923 | cval->max = 1; |
Jorge Sanjuan | 1d38f5d | 2018-05-11 16:25:36 +0100 | [diff] [blame] | 1924 | kctl = snd_ctl_new1(&usb_connector_ctl_ro, cval); |
Andrew Chant | 5a222e8 | 2018-03-23 19:25:23 -0700 | [diff] [blame] | 1925 | if (!kctl) { |
Jorge Sanjuan | 167e1fb | 2018-06-14 15:05:56 +0100 | [diff] [blame] | 1926 | usb_audio_err(mixer->chip, "cannot malloc kcontrol\n"); |
Takashi Iwai | 52c3e31 | 2019-08-22 08:23:10 +0200 | [diff] [blame] | 1927 | usb_mixer_elem_info_free(cval); |
Andrew Chant | 5a222e8 | 2018-03-23 19:25:23 -0700 | [diff] [blame] | 1928 | return; |
| 1929 | } |
Takashi Iwai | a43c1c4 | 2020-04-20 08:20:36 +0200 | [diff] [blame] | 1930 | |
| 1931 | if (check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name))) |
| 1932 | strlcat(kctl->id.name, " Jack", sizeof(kctl->id.name)); |
| 1933 | else |
| 1934 | get_connector_control_name(mixer, term, is_input, kctl->id.name, |
| 1935 | sizeof(kctl->id.name)); |
Andrew Chant | 5a222e8 | 2018-03-23 19:25:23 -0700 | [diff] [blame] | 1936 | kctl->private_free = snd_usb_mixer_elem_free; |
| 1937 | snd_usb_mixer_add_control(&cval->head, kctl); |
| 1938 | } |
| 1939 | |
Daniel Mack | cddaafb | 2016-04-09 11:21:46 +0200 | [diff] [blame] | 1940 | static int parse_clock_source_unit(struct mixer_build *state, int unitid, |
| 1941 | void *_ftr) |
| 1942 | { |
| 1943 | struct uac_clock_source_descriptor *hdr = _ftr; |
| 1944 | struct usb_mixer_elem_info *cval; |
| 1945 | struct snd_kcontrol *kctl; |
Daniel Mack | cddaafb | 2016-04-09 11:21:46 +0200 | [diff] [blame] | 1946 | int ret; |
| 1947 | |
| 1948 | if (state->mixer->protocol != UAC_VERSION_2) |
| 1949 | return -EINVAL; |
| 1950 | |
Daniel Mack | cddaafb | 2016-04-09 11:21:46 +0200 | [diff] [blame] | 1951 | /* |
| 1952 | * The only property of this unit we are interested in is the |
| 1953 | * clock source validity. If that isn't readable, just bail out. |
| 1954 | */ |
Ruslan Bilovol | 9a2fe9b | 2018-03-21 02:03:59 +0200 | [diff] [blame] | 1955 | if (!uac_v2v3_control_is_readable(hdr->bmControls, |
Andrew Chant | 21e9b3e | 2018-03-22 14:39:55 -0700 | [diff] [blame] | 1956 | UAC2_CS_CONTROL_CLOCK_VALID)) |
Daniel Mack | cddaafb | 2016-04-09 11:21:46 +0200 | [diff] [blame] | 1957 | return 0; |
| 1958 | |
| 1959 | cval = kzalloc(sizeof(*cval), GFP_KERNEL); |
| 1960 | if (!cval) |
| 1961 | return -ENOMEM; |
| 1962 | |
| 1963 | snd_usb_mixer_elem_init_std(&cval->head, state->mixer, hdr->bClockID); |
| 1964 | |
| 1965 | cval->min = 0; |
| 1966 | cval->max = 1; |
| 1967 | cval->channels = 1; |
| 1968 | cval->val_type = USB_MIXER_BOOLEAN; |
| 1969 | cval->control = UAC2_CS_CONTROL_CLOCK_VALID; |
| 1970 | |
Andrew Chant | 568fa7e | 2018-03-23 19:25:24 -0700 | [diff] [blame] | 1971 | cval->master_readonly = 1; |
| 1972 | /* From UAC2 5.2.5.1.2 "Only the get request is supported." */ |
| 1973 | kctl = snd_ctl_new1(&usb_bool_master_control_ctl_ro, cval); |
Daniel Mack | cddaafb | 2016-04-09 11:21:46 +0200 | [diff] [blame] | 1974 | |
| 1975 | if (!kctl) { |
Takashi Iwai | 52c3e31 | 2019-08-22 08:23:10 +0200 | [diff] [blame] | 1976 | usb_mixer_elem_info_free(cval); |
Daniel Mack | cddaafb | 2016-04-09 11:21:46 +0200 | [diff] [blame] | 1977 | return -ENOMEM; |
| 1978 | } |
| 1979 | |
| 1980 | kctl->private_free = snd_usb_mixer_elem_free; |
Ruslan Bilovol | eccfc1b | 2018-05-04 04:24:02 +0300 | [diff] [blame] | 1981 | ret = snd_usb_copy_string_desc(state->chip, hdr->iClockSource, |
Peter Ujfalusi | 26f7111 | 2023-09-13 12:39:33 +0300 | [diff] [blame] | 1982 | kctl->id.name, sizeof(kctl->id.name)); |
Daniel Mack | cddaafb | 2016-04-09 11:21:46 +0200 | [diff] [blame] | 1983 | if (ret > 0) |
Peter Ujfalusi | 26f7111 | 2023-09-13 12:39:33 +0300 | [diff] [blame] | 1984 | append_ctl_name(kctl, " Validity"); |
Daniel Mack | cddaafb | 2016-04-09 11:21:46 +0200 | [diff] [blame] | 1985 | else |
| 1986 | snprintf(kctl->id.name, sizeof(kctl->id.name), |
| 1987 | "Clock Source %d Validity", hdr->bClockID); |
| 1988 | |
| 1989 | return snd_usb_mixer_add_control(&cval->head, kctl); |
| 1990 | } |
| 1991 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1992 | /* |
| 1993 | * parse a feature unit |
| 1994 | * |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 1995 | * most of controls are defined here. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1996 | */ |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 1997 | static int parse_audio_feature_unit(struct mixer_build *state, int unitid, |
| 1998 | void *_ftr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1999 | { |
| 2000 | int channels, i, j; |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 2001 | struct usb_audio_term iterm; |
YueHaibing | 36c346e | 2019-01-09 02:20:16 +0000 | [diff] [blame] | 2002 | unsigned int master_bits; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2003 | int err, csize; |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 2004 | struct uac_feature_unit_descriptor *hdr = _ftr; |
| 2005 | __u8 *bmaControls; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2006 | |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 2007 | if (state->mixer->protocol == UAC_VERSION_1) { |
| 2008 | csize = hdr->bControlSize; |
| 2009 | channels = (hdr->bLength - 7) / csize - 1; |
| 2010 | bmaControls = hdr->bmaControls; |
Ruslan Bilovol | 9a2fe9b | 2018-03-21 02:03:59 +0200 | [diff] [blame] | 2011 | } else if (state->mixer->protocol == UAC_VERSION_2) { |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 2012 | struct uac2_feature_unit_descriptor *ftr = _ftr; |
| 2013 | csize = 4; |
Daniel Mack | e8d0fee | 2010-05-27 20:15:14 +0200 | [diff] [blame] | 2014 | channels = (hdr->bLength - 6) / 4 - 1; |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 2015 | bmaControls = ftr->bmaControls; |
Ruslan Bilovol | 9a2fe9b | 2018-03-21 02:03:59 +0200 | [diff] [blame] | 2016 | } else { /* UAC_VERSION_3 */ |
| 2017 | struct uac3_feature_unit_descriptor *ftr = _ftr; |
| 2018 | |
Ruslan Bilovol | 9a2fe9b | 2018-03-21 02:03:59 +0200 | [diff] [blame] | 2019 | csize = 4; |
| 2020 | channels = (ftr->bLength - 7) / 4 - 1; |
| 2021 | bmaControls = ftr->bmaControls; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2022 | } |
| 2023 | |
Takashi Iwai | 2f38cf7 | 2024-07-15 14:35:54 +0200 | [diff] [blame] | 2024 | if (channels > 32) { |
| 2025 | usb_audio_info(state->chip, |
| 2026 | "usbmixer: too many channels (%d) in unit %d\n", |
| 2027 | channels, unitid); |
| 2028 | return -EINVAL; |
| 2029 | } |
| 2030 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2031 | /* parse the source unit */ |
Takashi Iwai | f25ecf8 | 2018-05-27 15:18:22 +0200 | [diff] [blame] | 2032 | err = parse_audio_unit(state, hdr->bSourceID); |
| 2033 | if (err < 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2034 | return err; |
| 2035 | |
| 2036 | /* determine the input source type and name */ |
Daniel Mack | 4d7b86c | 2013-03-19 21:09:24 +0100 | [diff] [blame] | 2037 | err = check_input_term(state, hdr->bSourceID, &iterm); |
| 2038 | if (err < 0) |
| 2039 | return err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2040 | |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 2041 | master_bits = snd_usb_combine_bytes(bmaControls, csize); |
Javier Kohen | 0c3cee5 | 2009-11-17 15:36:13 +0100 | [diff] [blame] | 2042 | /* master configuration quirks */ |
| 2043 | switch (state->chip->usb_id) { |
| 2044 | case USB_ID(0x08bb, 0x2702): |
Takashi Iwai | 0ba41d9 | 2014-02-26 13:02:17 +0100 | [diff] [blame] | 2045 | usb_audio_info(state->chip, |
| 2046 | "usbmixer: master volume quirk for PCM2702 chip\n"); |
Javier Kohen | 0c3cee5 | 2009-11-17 15:36:13 +0100 | [diff] [blame] | 2047 | /* disable non-functional volume control */ |
Daniel Mack | 65f25da | 2010-05-31 13:35:41 +0200 | [diff] [blame] | 2048 | master_bits &= ~UAC_CONTROL_BIT(UAC_FU_VOLUME); |
Javier Kohen | 0c3cee5 | 2009-11-17 15:36:13 +0100 | [diff] [blame] | 2049 | break; |
David Henningsson | c105143 | 2012-09-20 10:20:41 +0200 | [diff] [blame] | 2050 | case USB_ID(0x1130, 0xf211): |
Takashi Iwai | 0ba41d9 | 2014-02-26 13:02:17 +0100 | [diff] [blame] | 2051 | usb_audio_info(state->chip, |
| 2052 | "usbmixer: volume control quirk for Tenx TP6911 Audio Headset\n"); |
David Henningsson | c105143 | 2012-09-20 10:20:41 +0200 | [diff] [blame] | 2053 | /* disable non-functional volume control */ |
| 2054 | channels = 0; |
| 2055 | break; |
| 2056 | |
Javier Kohen | 0c3cee5 | 2009-11-17 15:36:13 +0100 | [diff] [blame] | 2057 | } |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 2058 | |
| 2059 | if (state->mixer->protocol == UAC_VERSION_1) { |
| 2060 | /* check all control types */ |
| 2061 | for (i = 0; i < 10; i++) { |
| 2062 | unsigned int ch_bits = 0; |
Andrew Chant | 21e9b3e | 2018-03-22 14:39:55 -0700 | [diff] [blame] | 2063 | int control = audio_feature_info[i].control; |
| 2064 | |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 2065 | for (j = 0; j < channels; j++) { |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2066 | unsigned int mask; |
| 2067 | |
| 2068 | mask = snd_usb_combine_bytes(bmaControls + |
| 2069 | csize * (j+1), csize); |
Takashi Iwai | e54dc3431 | 2024-07-15 14:36:45 +0200 | [diff] [blame] | 2070 | if (mask & BIT(i)) |
| 2071 | ch_bits |= BIT(j); |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 2072 | } |
| 2073 | /* audio class v1 controls are never read-only */ |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2074 | |
| 2075 | /* |
| 2076 | * The first channel must be set |
| 2077 | * (for ease of programming). |
| 2078 | */ |
| 2079 | if (ch_bits & 1) |
Andrew Chant | 21e9b3e | 2018-03-22 14:39:55 -0700 | [diff] [blame] | 2080 | build_feature_ctl(state, _ftr, ch_bits, control, |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2081 | &iterm, unitid, 0); |
Takashi Iwai | e54dc3431 | 2024-07-15 14:36:45 +0200 | [diff] [blame] | 2082 | if (master_bits & BIT(i)) |
Andrew Chant | 21e9b3e | 2018-03-22 14:39:55 -0700 | [diff] [blame] | 2083 | build_feature_ctl(state, _ftr, 0, control, |
| 2084 | &iterm, unitid, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2085 | } |
Ruslan Bilovol | 9a2fe9b | 2018-03-21 02:03:59 +0200 | [diff] [blame] | 2086 | } else { /* UAC_VERSION_2/3 */ |
Takashi Iwai | d09c06c | 2011-10-13 08:19:09 +0200 | [diff] [blame] | 2087 | for (i = 0; i < ARRAY_SIZE(audio_feature_info); i++) { |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 2088 | unsigned int ch_bits = 0; |
| 2089 | unsigned int ch_read_only = 0; |
Andrew Chant | 21e9b3e | 2018-03-22 14:39:55 -0700 | [diff] [blame] | 2090 | int control = audio_feature_info[i].control; |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 2091 | |
| 2092 | for (j = 0; j < channels; j++) { |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2093 | unsigned int mask; |
| 2094 | |
| 2095 | mask = snd_usb_combine_bytes(bmaControls + |
| 2096 | csize * (j+1), csize); |
Andrew Chant | 21e9b3e | 2018-03-22 14:39:55 -0700 | [diff] [blame] | 2097 | if (uac_v2v3_control_is_readable(mask, control)) { |
Takashi Iwai | e54dc3431 | 2024-07-15 14:36:45 +0200 | [diff] [blame] | 2098 | ch_bits |= BIT(j); |
Andrew Chant | 21e9b3e | 2018-03-22 14:39:55 -0700 | [diff] [blame] | 2099 | if (!uac_v2v3_control_is_writeable(mask, control)) |
Takashi Iwai | e54dc3431 | 2024-07-15 14:36:45 +0200 | [diff] [blame] | 2100 | ch_read_only |= BIT(j); |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 2101 | } |
| 2102 | } |
| 2103 | |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2104 | /* |
| 2105 | * NOTE: build_feature_ctl() will mark the control |
| 2106 | * read-only if all channels are marked read-only in |
| 2107 | * the descriptors. Otherwise, the control will be |
| 2108 | * reported as writeable, but the driver will not |
| 2109 | * actually issue a write command for read-only |
| 2110 | * channels. |
| 2111 | */ |
| 2112 | |
| 2113 | /* |
| 2114 | * The first channel must be set |
| 2115 | * (for ease of programming). |
| 2116 | */ |
| 2117 | if (ch_bits & 1) |
Andrew Chant | 21e9b3e | 2018-03-22 14:39:55 -0700 | [diff] [blame] | 2118 | build_feature_ctl(state, _ftr, ch_bits, control, |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2119 | &iterm, unitid, ch_read_only); |
Andrew Chant | 21e9b3e | 2018-03-22 14:39:55 -0700 | [diff] [blame] | 2120 | if (uac_v2v3_control_is_readable(master_bits, control)) |
Takashi Iwai | 2de841ef | 2018-04-23 08:59:36 +0200 | [diff] [blame] | 2121 | build_feature_ctl(state, _ftr, 0, control, |
| 2122 | &iterm, unitid, |
Andrew Chant | 21e9b3e | 2018-03-22 14:39:55 -0700 | [diff] [blame] | 2123 | !uac_v2v3_control_is_writeable(master_bits, |
| 2124 | control)); |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 2125 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2126 | } |
| 2127 | |
| 2128 | return 0; |
| 2129 | } |
| 2130 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2131 | /* |
| 2132 | * Mixer Unit |
| 2133 | */ |
| 2134 | |
Takashi Iwai | f9f0e9e | 2019-08-20 21:43:42 +0200 | [diff] [blame] | 2135 | /* check whether the given in/out overflows bmMixerControls matrix */ |
| 2136 | static bool mixer_bitmap_overflow(struct uac_mixer_unit_descriptor *desc, |
| 2137 | int protocol, int num_ins, int num_outs) |
| 2138 | { |
| 2139 | u8 *hdr = (u8 *)desc; |
| 2140 | u8 *c = uac_mixer_unit_bmControls(desc, protocol); |
| 2141 | size_t rest; /* remaining bytes after bmMixerControls */ |
| 2142 | |
| 2143 | switch (protocol) { |
| 2144 | case UAC_VERSION_1: |
| 2145 | default: |
| 2146 | rest = 1; /* iMixer */ |
| 2147 | break; |
| 2148 | case UAC_VERSION_2: |
| 2149 | rest = 2; /* bmControls + iMixer */ |
| 2150 | break; |
| 2151 | case UAC_VERSION_3: |
| 2152 | rest = 6; /* bmControls + wMixerDescrStr */ |
| 2153 | break; |
| 2154 | } |
| 2155 | |
| 2156 | /* overflow? */ |
| 2157 | return c + (num_ins * num_outs + 7) / 8 + rest > hdr + hdr[0]; |
| 2158 | } |
| 2159 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2160 | /* |
| 2161 | * build a mixer unit control |
| 2162 | * |
| 2163 | * the callbacks are identical with feature unit. |
| 2164 | * input channel number (zero based) is given in control field instead. |
| 2165 | */ |
Daniel Mack | 99fc864 | 2010-03-11 21:13:24 +0100 | [diff] [blame] | 2166 | static void build_mixer_unit_ctl(struct mixer_build *state, |
| 2167 | struct uac_mixer_unit_descriptor *desc, |
Jorge Sanjuan | 6cfd839 | 2018-05-11 16:25:34 +0100 | [diff] [blame] | 2168 | int in_pin, int in_ch, int num_outs, |
| 2169 | int unitid, struct usb_audio_term *iterm) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2170 | { |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 2171 | struct usb_mixer_elem_info *cval; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2172 | unsigned int i, len; |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 2173 | struct snd_kcontrol *kctl; |
Jaroslav Kysela | c3a3e04 | 2010-02-11 17:50:44 +0100 | [diff] [blame] | 2174 | const struct usbmix_name_map *map; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2175 | |
Ruslan Bilovol | 17156f2 | 2018-05-04 04:24:04 +0300 | [diff] [blame] | 2176 | map = find_map(state->map, unitid, 0); |
Jaroslav Kysela | c3a3e04 | 2010-02-11 17:50:44 +0100 | [diff] [blame] | 2177 | if (check_ignored_ctl(map)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2178 | return; |
| 2179 | |
Takashi Iwai | 561b220 | 2005-09-09 14:22:34 +0200 | [diff] [blame] | 2180 | cval = kzalloc(sizeof(*cval), GFP_KERNEL); |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2181 | if (!cval) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2182 | return; |
| 2183 | |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 2184 | snd_usb_mixer_elem_init_std(&cval->head, state->mixer, unitid); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2185 | cval->control = in_ch + 1; /* based on 1 */ |
| 2186 | cval->val_type = USB_MIXER_S16; |
| 2187 | for (i = 0; i < num_outs; i++) { |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2188 | __u8 *c = uac_mixer_unit_bmControls(desc, state->mixer->protocol); |
| 2189 | |
| 2190 | if (check_matrix_bitmap(c, in_ch, i, num_outs)) { |
Takashi Iwai | e54dc3431 | 2024-07-15 14:36:45 +0200 | [diff] [blame] | 2191 | cval->cmask |= BIT(i); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2192 | cval->channels++; |
| 2193 | } |
| 2194 | } |
| 2195 | |
| 2196 | /* get min/max values */ |
| 2197 | get_min_max(cval, 0); |
| 2198 | |
| 2199 | kctl = snd_ctl_new1(&usb_feature_unit_ctl, cval); |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2200 | if (!kctl) { |
Takashi Iwai | 0ba41d9 | 2014-02-26 13:02:17 +0100 | [diff] [blame] | 2201 | usb_audio_err(state->chip, "cannot malloc kcontrol\n"); |
Takashi Iwai | 52c3e31 | 2019-08-22 08:23:10 +0200 | [diff] [blame] | 2202 | usb_mixer_elem_info_free(cval); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2203 | return; |
| 2204 | } |
Chris J Arges | eef9045 | 2014-11-12 12:07:01 -0600 | [diff] [blame] | 2205 | kctl->private_free = snd_usb_mixer_elem_free; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2206 | |
Jaroslav Kysela | c3a3e04 | 2010-02-11 17:50:44 +0100 | [diff] [blame] | 2207 | len = check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name)); |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2208 | if (!len) |
Ruslan Bilovol | eccfc1b | 2018-05-04 04:24:02 +0300 | [diff] [blame] | 2209 | len = get_term_name(state->chip, iterm, kctl->id.name, |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2210 | sizeof(kctl->id.name), 0); |
| 2211 | if (!len) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2212 | len = sprintf(kctl->id.name, "Mixer Source %d", in_ch + 1); |
Takashi Iwai | 08d1e63 | 2009-10-02 14:06:08 +0200 | [diff] [blame] | 2213 | append_ctl_name(kctl, " Volume"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2214 | |
Takashi Iwai | 0ba41d9 | 2014-02-26 13:02:17 +0100 | [diff] [blame] | 2215 | 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] | 2216 | cval->head.id, kctl->id.name, cval->channels, cval->min, cval->max); |
| 2217 | snd_usb_mixer_add_control(&cval->head, kctl); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2218 | } |
| 2219 | |
Andrew Chant | 5a222e8 | 2018-03-23 19:25:23 -0700 | [diff] [blame] | 2220 | static int parse_audio_input_terminal(struct mixer_build *state, int unitid, |
| 2221 | void *raw_desc) |
| 2222 | { |
| 2223 | struct usb_audio_term iterm; |
Jorge Sanjuan | 1d38f5d | 2018-05-11 16:25:36 +0100 | [diff] [blame] | 2224 | unsigned int control, bmctls, term_id; |
Andrew Chant | 5a222e8 | 2018-03-23 19:25:23 -0700 | [diff] [blame] | 2225 | |
Andrew Chant | 5a222e8 | 2018-03-23 19:25:23 -0700 | [diff] [blame] | 2226 | if (state->mixer->protocol == UAC_VERSION_2) { |
Jorge Sanjuan | 1d38f5d | 2018-05-11 16:25:36 +0100 | [diff] [blame] | 2227 | struct uac2_input_terminal_descriptor *d_v2 = raw_desc; |
| 2228 | control = UAC2_TE_CONNECTOR; |
| 2229 | term_id = d_v2->bTerminalID; |
| 2230 | bmctls = le16_to_cpu(d_v2->bmControls); |
| 2231 | } else if (state->mixer->protocol == UAC_VERSION_3) { |
| 2232 | struct uac3_input_terminal_descriptor *d_v3 = raw_desc; |
| 2233 | control = UAC3_TE_INSERTION; |
| 2234 | term_id = d_v3->bTerminalID; |
| 2235 | bmctls = le32_to_cpu(d_v3->bmControls); |
| 2236 | } else { |
| 2237 | return 0; /* UAC1. No Insertion control */ |
Andrew Chant | 5a222e8 | 2018-03-23 19:25:23 -0700 | [diff] [blame] | 2238 | } |
Jorge Sanjuan | 1d38f5d | 2018-05-11 16:25:36 +0100 | [diff] [blame] | 2239 | |
| 2240 | check_input_term(state, term_id, &iterm); |
| 2241 | |
| 2242 | /* Check for jack detection. */ |
Takashi Iwai | 7dc3c5a | 2020-04-12 10:13:30 +0200 | [diff] [blame] | 2243 | if ((iterm.type & 0xff00) != 0x0100 && |
| 2244 | uac_v2v3_control_is_readable(bmctls, control)) |
Takashi Iwai | 934b965 | 2020-04-12 10:13:31 +0200 | [diff] [blame] | 2245 | build_connector_control(state->mixer, state->map, &iterm, true); |
Jorge Sanjuan | 1d38f5d | 2018-05-11 16:25:36 +0100 | [diff] [blame] | 2246 | |
Andrew Chant | 5a222e8 | 2018-03-23 19:25:23 -0700 | [diff] [blame] | 2247 | return 0; |
| 2248 | } |
| 2249 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2250 | /* |
| 2251 | * parse a mixer unit |
| 2252 | */ |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2253 | static int parse_audio_mixer_unit(struct mixer_build *state, int unitid, |
| 2254 | void *raw_desc) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2255 | { |
Daniel Mack | 99fc864 | 2010-03-11 21:13:24 +0100 | [diff] [blame] | 2256 | struct uac_mixer_unit_descriptor *desc = raw_desc; |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 2257 | struct usb_audio_term iterm; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2258 | int input_pins, num_ins, num_outs; |
| 2259 | int pin, ich, err; |
| 2260 | |
Jorge Sanjuan | 6cfd839 | 2018-05-11 16:25:34 +0100 | [diff] [blame] | 2261 | err = uac_mixer_unit_get_channels(state, desc); |
| 2262 | if (err < 0) { |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2263 | usb_audio_err(state->chip, |
| 2264 | "invalid MIXER UNIT descriptor %d\n", |
| 2265 | unitid); |
Jorge Sanjuan | 6cfd839 | 2018-05-11 16:25:34 +0100 | [diff] [blame] | 2266 | return err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2267 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2268 | |
Jorge Sanjuan | 6cfd839 | 2018-05-11 16:25:34 +0100 | [diff] [blame] | 2269 | num_outs = err; |
| 2270 | input_pins = desc->bNrInPins; |
| 2271 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2272 | num_ins = 0; |
| 2273 | ich = 0; |
| 2274 | for (pin = 0; pin < input_pins; pin++) { |
Daniel Mack | 99fc864 | 2010-03-11 21:13:24 +0100 | [diff] [blame] | 2275 | err = parse_audio_unit(state, desc->baSourceID[pin]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2276 | if (err < 0) |
Mark Hills | 284a8dd | 2012-04-14 17:19:23 +0100 | [diff] [blame] | 2277 | continue; |
Clemens Ladisch | ea114fc | 2015-06-03 11:36:51 +0200 | [diff] [blame] | 2278 | /* no bmControls field (e.g. Maya44) -> ignore */ |
Takashi Iwai | 0bfe5e4 | 2018-12-19 14:04:47 +0100 | [diff] [blame] | 2279 | if (!num_outs) |
Clemens Ladisch | ea114fc | 2015-06-03 11:36:51 +0200 | [diff] [blame] | 2280 | continue; |
Daniel Mack | 99fc864 | 2010-03-11 21:13:24 +0100 | [diff] [blame] | 2281 | err = check_input_term(state, desc->baSourceID[pin], &iterm); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2282 | if (err < 0) |
| 2283 | return err; |
| 2284 | num_ins += iterm.channels; |
Takashi Iwai | f9f0e9e | 2019-08-20 21:43:42 +0200 | [diff] [blame] | 2285 | if (mixer_bitmap_overflow(desc, state->mixer->protocol, |
| 2286 | num_ins, num_outs)) |
| 2287 | break; |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2288 | for (; ich < num_ins; ich++) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2289 | int och, ich_has_controls = 0; |
| 2290 | |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2291 | for (och = 0; och < num_outs; och++) { |
| 2292 | __u8 *c = uac_mixer_unit_bmControls(desc, |
| 2293 | state->mixer->protocol); |
| 2294 | |
| 2295 | if (check_matrix_bitmap(c, ich, och, num_outs)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2296 | ich_has_controls = 1; |
| 2297 | break; |
| 2298 | } |
| 2299 | } |
| 2300 | if (ich_has_controls) |
Jorge Sanjuan | 6cfd839 | 2018-05-11 16:25:34 +0100 | [diff] [blame] | 2301 | build_mixer_unit_ctl(state, desc, pin, ich, num_outs, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2302 | unitid, &iterm); |
| 2303 | } |
| 2304 | } |
| 2305 | return 0; |
| 2306 | } |
| 2307 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2308 | /* |
| 2309 | * Processing Unit / Extension Unit |
| 2310 | */ |
| 2311 | |
| 2312 | /* get callback for processing/extension unit */ |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2313 | static int mixer_ctl_procunit_get(struct snd_kcontrol *kcontrol, |
| 2314 | struct snd_ctl_elem_value *ucontrol) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2315 | { |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 2316 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2317 | int err, val; |
| 2318 | |
| 2319 | err = get_cur_ctl_value(cval, cval->control << 8, &val); |
Takashi Iwai | 5aeee34 | 2014-11-18 11:02:14 +0100 | [diff] [blame] | 2320 | if (err < 0) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2321 | ucontrol->value.integer.value[0] = cval->min; |
Takashi Iwai | 5aeee34 | 2014-11-18 11:02:14 +0100 | [diff] [blame] | 2322 | return filter_error(cval, err); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2323 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2324 | val = get_relative_value(cval, val); |
| 2325 | ucontrol->value.integer.value[0] = val; |
| 2326 | return 0; |
| 2327 | } |
| 2328 | |
| 2329 | /* put callback for processing/extension unit */ |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2330 | static int mixer_ctl_procunit_put(struct snd_kcontrol *kcontrol, |
| 2331 | struct snd_ctl_elem_value *ucontrol) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2332 | { |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 2333 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2334 | int val, oval, err; |
| 2335 | |
| 2336 | err = get_cur_ctl_value(cval, cval->control << 8, &oval); |
Takashi Iwai | 5aeee34 | 2014-11-18 11:02:14 +0100 | [diff] [blame] | 2337 | if (err < 0) |
| 2338 | return filter_error(cval, err); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2339 | val = ucontrol->value.integer.value[0]; |
| 2340 | val = get_abs_value(cval, val); |
| 2341 | if (val != oval) { |
| 2342 | set_cur_ctl_value(cval, cval->control << 8, val); |
| 2343 | return 1; |
| 2344 | } |
| 2345 | return 0; |
| 2346 | } |
| 2347 | |
| 2348 | /* alsa control interface for processing/extension unit */ |
Bhumika Goyal | 8fdaebb | 2017-04-12 18:38:06 +0530 | [diff] [blame] | 2349 | static const struct snd_kcontrol_new mixer_procunit_ctl = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2350 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| 2351 | .name = "", /* will be filled later */ |
| 2352 | .info = mixer_ctl_feature_info, |
| 2353 | .get = mixer_ctl_procunit_get, |
| 2354 | .put = mixer_ctl_procunit_put, |
| 2355 | }; |
| 2356 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2357 | /* |
| 2358 | * predefined data for processing units |
| 2359 | */ |
| 2360 | struct procunit_value_info { |
| 2361 | int control; |
Takashi Iwai | a01df92 | 2020-01-05 15:47:26 +0100 | [diff] [blame] | 2362 | const char *suffix; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2363 | int val_type; |
| 2364 | int min_value; |
| 2365 | }; |
| 2366 | |
| 2367 | struct procunit_info { |
| 2368 | int type; |
| 2369 | char *name; |
Takashi Iwai | a01df92 | 2020-01-05 15:47:26 +0100 | [diff] [blame] | 2370 | const struct procunit_value_info *values; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2371 | }; |
| 2372 | |
Takashi Iwai | a01df92 | 2020-01-05 15:47:26 +0100 | [diff] [blame] | 2373 | static const struct procunit_value_info undefined_proc_info[] = { |
Jorge Sanjuan | 0f292f0 | 2018-07-11 13:37:53 +0100 | [diff] [blame] | 2374 | { 0x00, "Control Undefined", 0 }, |
| 2375 | { 0 } |
| 2376 | }; |
| 2377 | |
Takashi Iwai | a01df92 | 2020-01-05 15:47:26 +0100 | [diff] [blame] | 2378 | static const struct procunit_value_info updown_proc_info[] = { |
Daniel Mack | 65f25da | 2010-05-31 13:35:41 +0200 | [diff] [blame] | 2379 | { UAC_UD_ENABLE, "Switch", USB_MIXER_BOOLEAN }, |
| 2380 | { UAC_UD_MODE_SELECT, "Mode Select", USB_MIXER_U8, 1 }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2381 | { 0 } |
| 2382 | }; |
Takashi Iwai | a01df92 | 2020-01-05 15:47:26 +0100 | [diff] [blame] | 2383 | static const struct procunit_value_info prologic_proc_info[] = { |
Daniel Mack | 65f25da | 2010-05-31 13:35:41 +0200 | [diff] [blame] | 2384 | { UAC_DP_ENABLE, "Switch", USB_MIXER_BOOLEAN }, |
| 2385 | { UAC_DP_MODE_SELECT, "Mode Select", USB_MIXER_U8, 1 }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2386 | { 0 } |
| 2387 | }; |
Takashi Iwai | a01df92 | 2020-01-05 15:47:26 +0100 | [diff] [blame] | 2388 | static const struct procunit_value_info threed_enh_proc_info[] = { |
Daniel Mack | 65f25da | 2010-05-31 13:35:41 +0200 | [diff] [blame] | 2389 | { UAC_3D_ENABLE, "Switch", USB_MIXER_BOOLEAN }, |
| 2390 | { UAC_3D_SPACE, "Spaciousness", USB_MIXER_U8 }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2391 | { 0 } |
| 2392 | }; |
Takashi Iwai | a01df92 | 2020-01-05 15:47:26 +0100 | [diff] [blame] | 2393 | static const struct procunit_value_info reverb_proc_info[] = { |
Daniel Mack | 65f25da | 2010-05-31 13:35:41 +0200 | [diff] [blame] | 2394 | { UAC_REVERB_ENABLE, "Switch", USB_MIXER_BOOLEAN }, |
| 2395 | { UAC_REVERB_LEVEL, "Level", USB_MIXER_U8 }, |
| 2396 | { UAC_REVERB_TIME, "Time", USB_MIXER_U16 }, |
| 2397 | { UAC_REVERB_FEEDBACK, "Feedback", USB_MIXER_U8 }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2398 | { 0 } |
| 2399 | }; |
Takashi Iwai | a01df92 | 2020-01-05 15:47:26 +0100 | [diff] [blame] | 2400 | static const struct procunit_value_info chorus_proc_info[] = { |
Daniel Mack | 65f25da | 2010-05-31 13:35:41 +0200 | [diff] [blame] | 2401 | { UAC_CHORUS_ENABLE, "Switch", USB_MIXER_BOOLEAN }, |
| 2402 | { UAC_CHORUS_LEVEL, "Level", USB_MIXER_U8 }, |
| 2403 | { UAC_CHORUS_RATE, "Rate", USB_MIXER_U16 }, |
| 2404 | { UAC_CHORUS_DEPTH, "Depth", USB_MIXER_U16 }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2405 | { 0 } |
| 2406 | }; |
Takashi Iwai | a01df92 | 2020-01-05 15:47:26 +0100 | [diff] [blame] | 2407 | static const struct procunit_value_info dcr_proc_info[] = { |
Daniel Mack | 65f25da | 2010-05-31 13:35:41 +0200 | [diff] [blame] | 2408 | { UAC_DCR_ENABLE, "Switch", USB_MIXER_BOOLEAN }, |
| 2409 | { UAC_DCR_RATE, "Ratio", USB_MIXER_U16 }, |
| 2410 | { UAC_DCR_MAXAMPL, "Max Amp", USB_MIXER_S16 }, |
| 2411 | { UAC_DCR_THRESHOLD, "Threshold", USB_MIXER_S16 }, |
| 2412 | { UAC_DCR_ATTACK_TIME, "Attack Time", USB_MIXER_U16 }, |
| 2413 | { UAC_DCR_RELEASE_TIME, "Release Time", USB_MIXER_U16 }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2414 | { 0 } |
| 2415 | }; |
| 2416 | |
Takashi Iwai | a01df92 | 2020-01-05 15:47:26 +0100 | [diff] [blame] | 2417 | static const struct procunit_info procunits[] = { |
Daniel Mack | 65f25da | 2010-05-31 13:35:41 +0200 | [diff] [blame] | 2418 | { UAC_PROCESS_UP_DOWNMIX, "Up Down", updown_proc_info }, |
| 2419 | { UAC_PROCESS_DOLBY_PROLOGIC, "Dolby Prologic", prologic_proc_info }, |
| 2420 | { UAC_PROCESS_STEREO_EXTENDER, "3D Stereo Extender", threed_enh_proc_info }, |
| 2421 | { UAC_PROCESS_REVERB, "Reverb", reverb_proc_info }, |
| 2422 | { UAC_PROCESS_CHORUS, "Chorus", chorus_proc_info }, |
| 2423 | { UAC_PROCESS_DYN_RANGE_COMP, "DCR", dcr_proc_info }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2424 | { 0 }, |
| 2425 | }; |
Jorge Sanjuan | 0f292f0 | 2018-07-11 13:37:53 +0100 | [diff] [blame] | 2426 | |
Takashi Iwai | a01df92 | 2020-01-05 15:47:26 +0100 | [diff] [blame] | 2427 | static const struct procunit_value_info uac3_updown_proc_info[] = { |
Jorge Sanjuan | 0f292f0 | 2018-07-11 13:37:53 +0100 | [diff] [blame] | 2428 | { UAC3_UD_MODE_SELECT, "Mode Select", USB_MIXER_U8, 1 }, |
| 2429 | { 0 } |
| 2430 | }; |
Takashi Iwai | a01df92 | 2020-01-05 15:47:26 +0100 | [diff] [blame] | 2431 | static const struct procunit_value_info uac3_stereo_ext_proc_info[] = { |
Jorge Sanjuan | 0f292f0 | 2018-07-11 13:37:53 +0100 | [diff] [blame] | 2432 | { UAC3_EXT_WIDTH_CONTROL, "Width Control", USB_MIXER_U8 }, |
| 2433 | { 0 } |
| 2434 | }; |
| 2435 | |
Takashi Iwai | a01df92 | 2020-01-05 15:47:26 +0100 | [diff] [blame] | 2436 | static const struct procunit_info uac3_procunits[] = { |
Jorge Sanjuan | 0f292f0 | 2018-07-11 13:37:53 +0100 | [diff] [blame] | 2437 | { UAC3_PROCESS_UP_DOWNMIX, "Up Down", uac3_updown_proc_info }, |
| 2438 | { UAC3_PROCESS_STEREO_EXTENDER, "3D Stereo Extender", uac3_stereo_ext_proc_info }, |
| 2439 | { UAC3_PROCESS_MULTI_FUNCTION, "Multi-Function", undefined_proc_info }, |
| 2440 | { 0 }, |
| 2441 | }; |
| 2442 | |
Sergiy Kovalchuk | 7d2b451 | 2009-12-27 09:13:41 -0800 | [diff] [blame] | 2443 | /* |
| 2444 | * predefined data for extension units |
| 2445 | */ |
Takashi Iwai | a01df92 | 2020-01-05 15:47:26 +0100 | [diff] [blame] | 2446 | static const struct procunit_value_info clock_rate_xu_info[] = { |
Daniel Mack | e213e9c | 2010-05-11 18:13:50 +0200 | [diff] [blame] | 2447 | { USB_XU_CLOCK_RATE_SELECTOR, "Selector", USB_MIXER_U8, 0 }, |
| 2448 | { 0 } |
Sergiy Kovalchuk | 7d2b451 | 2009-12-27 09:13:41 -0800 | [diff] [blame] | 2449 | }; |
Takashi Iwai | a01df92 | 2020-01-05 15:47:26 +0100 | [diff] [blame] | 2450 | static const struct procunit_value_info clock_source_xu_info[] = { |
Sergiy Kovalchuk | 7d2b451 | 2009-12-27 09:13:41 -0800 | [diff] [blame] | 2451 | { USB_XU_CLOCK_SOURCE_SELECTOR, "External", USB_MIXER_BOOLEAN }, |
| 2452 | { 0 } |
| 2453 | }; |
Takashi Iwai | a01df92 | 2020-01-05 15:47:26 +0100 | [diff] [blame] | 2454 | static const struct procunit_value_info spdif_format_xu_info[] = { |
Sergiy Kovalchuk | 7d2b451 | 2009-12-27 09:13:41 -0800 | [diff] [blame] | 2455 | { USB_XU_DIGITAL_FORMAT_SELECTOR, "SPDIF/AC3", USB_MIXER_BOOLEAN }, |
| 2456 | { 0 } |
| 2457 | }; |
Takashi Iwai | a01df92 | 2020-01-05 15:47:26 +0100 | [diff] [blame] | 2458 | static const struct procunit_value_info soft_limit_xu_info[] = { |
Sergiy Kovalchuk | 7d2b451 | 2009-12-27 09:13:41 -0800 | [diff] [blame] | 2459 | { USB_XU_SOFT_LIMIT_SELECTOR, " ", USB_MIXER_BOOLEAN }, |
| 2460 | { 0 } |
| 2461 | }; |
Takashi Iwai | a01df92 | 2020-01-05 15:47:26 +0100 | [diff] [blame] | 2462 | static const struct procunit_info extunits[] = { |
Sergiy Kovalchuk | 7d2b451 | 2009-12-27 09:13:41 -0800 | [diff] [blame] | 2463 | { USB_XU_CLOCK_RATE, "Clock rate", clock_rate_xu_info }, |
| 2464 | { USB_XU_CLOCK_SOURCE, "DigitalIn CLK source", clock_source_xu_info }, |
| 2465 | { USB_XU_DIGITAL_IO_STATUS, "DigitalOut format:", spdif_format_xu_info }, |
| 2466 | { USB_XU_DEVICE_OPTIONS, "AnalogueIn Soft Limit", soft_limit_xu_info }, |
| 2467 | { 0 } |
| 2468 | }; |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2469 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2470 | /* |
| 2471 | * build a processing/extension unit |
| 2472 | */ |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2473 | static int build_audio_procunit(struct mixer_build *state, int unitid, |
Takashi Iwai | a01df92 | 2020-01-05 15:47:26 +0100 | [diff] [blame] | 2474 | void *raw_desc, const struct procunit_info *list, |
Takashi Iwai | ca95c7b | 2019-07-04 16:31:12 +0200 | [diff] [blame] | 2475 | bool extension_unit) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2476 | { |
Daniel Mack | 99fc864 | 2010-03-11 21:13:24 +0100 | [diff] [blame] | 2477 | struct uac_processing_unit_descriptor *desc = raw_desc; |
Takashi Iwai | f4351a1 | 2018-12-19 12:36:27 +0100 | [diff] [blame] | 2478 | int num_ins; |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 2479 | struct usb_mixer_elem_info *cval; |
| 2480 | struct snd_kcontrol *kctl; |
Tom Yan | d8d0db7 | 2020-08-18 01:20:11 +0800 | [diff] [blame] | 2481 | int i, err, nameid, type, len, val; |
Takashi Iwai | a01df92 | 2020-01-05 15:47:26 +0100 | [diff] [blame] | 2482 | const struct procunit_info *info; |
| 2483 | const struct procunit_value_info *valinfo; |
Jaroslav Kysela | c3a3e04 | 2010-02-11 17:50:44 +0100 | [diff] [blame] | 2484 | const struct usbmix_name_map *map; |
Takashi Iwai | a01df92 | 2020-01-05 15:47:26 +0100 | [diff] [blame] | 2485 | static const struct procunit_value_info default_value_info[] = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2486 | { 0x01, "Switch", USB_MIXER_BOOLEAN }, |
| 2487 | { 0 } |
| 2488 | }; |
Takashi Iwai | a01df92 | 2020-01-05 15:47:26 +0100 | [diff] [blame] | 2489 | static const struct procunit_info default_info = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2490 | 0, NULL, default_value_info |
| 2491 | }; |
Takashi Iwai | ca95c7b | 2019-07-04 16:31:12 +0200 | [diff] [blame] | 2492 | const char *name = extension_unit ? |
| 2493 | "Extension Unit" : "Processing Unit"; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2494 | |
Takashi Iwai | f4351a1 | 2018-12-19 12:36:27 +0100 | [diff] [blame] | 2495 | num_ins = desc->bNrInPins; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2496 | for (i = 0; i < num_ins; i++) { |
Takashi Iwai | f25ecf8 | 2018-05-27 15:18:22 +0200 | [diff] [blame] | 2497 | err = parse_audio_unit(state, desc->baSourceID[i]); |
| 2498 | if (err < 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2499 | return err; |
| 2500 | } |
| 2501 | |
Daniel Mack | 99fc864 | 2010-03-11 21:13:24 +0100 | [diff] [blame] | 2502 | type = le16_to_cpu(desc->wProcessType); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2503 | for (info = list; info && info->type; info++) |
| 2504 | if (info->type == type) |
| 2505 | break; |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2506 | if (!info || !info->type) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2507 | info = &default_info; |
| 2508 | |
| 2509 | for (valinfo = info->values; valinfo->control; valinfo++) { |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 2510 | __u8 *controls = uac_processing_unit_bmControls(desc, state->mixer->protocol); |
Daniel Mack | 99fc864 | 2010-03-11 21:13:24 +0100 | [diff] [blame] | 2511 | |
Jorge Sanjuan | 4e887af | 2018-07-11 13:37:52 +0100 | [diff] [blame] | 2512 | if (state->mixer->protocol == UAC_VERSION_1) { |
| 2513 | if (!(controls[valinfo->control / 8] & |
Takashi Iwai | e54dc3431 | 2024-07-15 14:36:45 +0200 | [diff] [blame] | 2514 | BIT((valinfo->control % 8) - 1))) |
Jorge Sanjuan | 4e887af | 2018-07-11 13:37:52 +0100 | [diff] [blame] | 2515 | continue; |
| 2516 | } else { /* UAC_VERSION_2/3 */ |
| 2517 | if (!uac_v2v3_control_is_readable(controls[valinfo->control / 8], |
| 2518 | valinfo->control)) |
| 2519 | continue; |
| 2520 | } |
| 2521 | |
Ruslan Bilovol | 17156f2 | 2018-05-04 04:24:04 +0300 | [diff] [blame] | 2522 | map = find_map(state->map, unitid, valinfo->control); |
Jaroslav Kysela | c3a3e04 | 2010-02-11 17:50:44 +0100 | [diff] [blame] | 2523 | if (check_ignored_ctl(map)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2524 | continue; |
Takashi Iwai | 561b220 | 2005-09-09 14:22:34 +0200 | [diff] [blame] | 2525 | cval = kzalloc(sizeof(*cval), GFP_KERNEL); |
Daniel Mack | a860d95 | 2014-05-24 10:58:17 +0200 | [diff] [blame] | 2526 | if (!cval) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2527 | return -ENOMEM; |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 2528 | snd_usb_mixer_elem_init_std(&cval->head, state->mixer, unitid); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2529 | cval->control = valinfo->control; |
| 2530 | cval->val_type = valinfo->val_type; |
| 2531 | cval->channels = 1; |
| 2532 | |
Jorge Sanjuan | 4e887af | 2018-07-11 13:37:52 +0100 | [diff] [blame] | 2533 | if (state->mixer->protocol > UAC_VERSION_1 && |
| 2534 | !uac_v2v3_control_is_writeable(controls[valinfo->control / 8], |
| 2535 | valinfo->control)) |
| 2536 | cval->master_readonly = 1; |
| 2537 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2538 | /* get min/max values */ |
Jorge Sanjuan | 55b8cb4 | 2018-07-11 13:37:55 +0100 | [diff] [blame] | 2539 | switch (type) { |
| 2540 | case UAC_PROCESS_UP_DOWNMIX: { |
| 2541 | bool mode_sel = false; |
| 2542 | |
| 2543 | switch (state->mixer->protocol) { |
| 2544 | case UAC_VERSION_1: |
| 2545 | case UAC_VERSION_2: |
| 2546 | default: |
| 2547 | if (cval->control == UAC_UD_MODE_SELECT) |
| 2548 | mode_sel = true; |
| 2549 | break; |
| 2550 | case UAC_VERSION_3: |
| 2551 | if (cval->control == UAC3_UD_MODE_SELECT) |
| 2552 | mode_sel = true; |
| 2553 | break; |
| 2554 | } |
| 2555 | |
| 2556 | if (mode_sel) { |
| 2557 | __u8 *control_spec = uac_processing_unit_specific(desc, |
| 2558 | state->mixer->protocol); |
| 2559 | cval->min = 1; |
| 2560 | cval->max = control_spec[0]; |
Sergiy Kovalchuk | 7d2b451 | 2009-12-27 09:13:41 -0800 | [diff] [blame] | 2561 | cval->res = 1; |
| 2562 | cval->initialized = 1; |
Jorge Sanjuan | 55b8cb4 | 2018-07-11 13:37:55 +0100 | [diff] [blame] | 2563 | break; |
| 2564 | } |
| 2565 | |
| 2566 | get_min_max(cval, valinfo->min_value); |
| 2567 | break; |
| 2568 | } |
| 2569 | case USB_XU_CLOCK_RATE: |
| 2570 | /* |
| 2571 | * E-Mu USB 0404/0202/TrackerPre/0204 |
| 2572 | * samplerate control quirk |
| 2573 | */ |
| 2574 | cval->min = 0; |
| 2575 | cval->max = 5; |
| 2576 | cval->res = 1; |
| 2577 | cval->initialized = 1; |
| 2578 | break; |
| 2579 | default: |
| 2580 | get_min_max(cval, valinfo->min_value); |
| 2581 | break; |
Sergiy Kovalchuk | 7d2b451 | 2009-12-27 09:13:41 -0800 | [diff] [blame] | 2582 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2583 | |
Tom Yan | d8d0db7 | 2020-08-18 01:20:11 +0800 | [diff] [blame] | 2584 | err = get_cur_ctl_value(cval, cval->control << 8, &val); |
| 2585 | if (err < 0) { |
| 2586 | usb_mixer_elem_info_free(cval); |
| 2587 | return -EINVAL; |
| 2588 | } |
| 2589 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2590 | kctl = snd_ctl_new1(&mixer_procunit_ctl, cval); |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2591 | if (!kctl) { |
Takashi Iwai | 52c3e31 | 2019-08-22 08:23:10 +0200 | [diff] [blame] | 2592 | usb_mixer_elem_info_free(cval); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2593 | return -ENOMEM; |
| 2594 | } |
Chris J Arges | eef9045 | 2014-11-12 12:07:01 -0600 | [diff] [blame] | 2595 | kctl->private_free = snd_usb_mixer_elem_free; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2596 | |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2597 | if (check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name))) { |
Jaroslav Kysela | c3a3e04 | 2010-02-11 17:50:44 +0100 | [diff] [blame] | 2598 | /* nothing */ ; |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2599 | } else if (info->name) { |
Joe Perches | 75b1a8f | 2021-01-04 09:17:34 -0800 | [diff] [blame] | 2600 | strscpy(kctl->id.name, info->name, sizeof(kctl->id.name)); |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2601 | } else { |
Takashi Iwai | ca95c7b | 2019-07-04 16:31:12 +0200 | [diff] [blame] | 2602 | if (extension_unit) |
| 2603 | nameid = uac_extension_unit_iExtension(desc, state->mixer->protocol); |
| 2604 | else |
| 2605 | nameid = uac_processing_unit_iProcessing(desc, state->mixer->protocol); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2606 | len = 0; |
| 2607 | if (nameid) |
Ruslan Bilovol | eccfc1b | 2018-05-04 04:24:02 +0300 | [diff] [blame] | 2608 | len = snd_usb_copy_string_desc(state->chip, |
| 2609 | nameid, |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2610 | kctl->id.name, |
| 2611 | sizeof(kctl->id.name)); |
| 2612 | if (!len) |
Joe Perches | 75b1a8f | 2021-01-04 09:17:34 -0800 | [diff] [blame] | 2613 | strscpy(kctl->id.name, name, sizeof(kctl->id.name)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2614 | } |
Takashi Iwai | 08d1e63 | 2009-10-02 14:06:08 +0200 | [diff] [blame] | 2615 | append_ctl_name(kctl, " "); |
| 2616 | append_ctl_name(kctl, valinfo->suffix); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2617 | |
Takashi Iwai | 0ba41d9 | 2014-02-26 13:02:17 +0100 | [diff] [blame] | 2618 | usb_audio_dbg(state->chip, |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2619 | "[%d] PU [%s] ch = %d, val = %d/%d\n", |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 2620 | cval->head.id, kctl->id.name, cval->channels, |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2621 | cval->min, cval->max); |
| 2622 | |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 2623 | err = snd_usb_mixer_add_control(&cval->head, kctl); |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2624 | if (err < 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2625 | return err; |
| 2626 | } |
| 2627 | return 0; |
| 2628 | } |
| 2629 | |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2630 | static int parse_audio_processing_unit(struct mixer_build *state, int unitid, |
| 2631 | void *raw_desc) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2632 | { |
Jorge Sanjuan | 0f292f0 | 2018-07-11 13:37:53 +0100 | [diff] [blame] | 2633 | switch (state->mixer->protocol) { |
| 2634 | case UAC_VERSION_1: |
| 2635 | case UAC_VERSION_2: |
| 2636 | default: |
| 2637 | return build_audio_procunit(state, unitid, raw_desc, |
Takashi Iwai | ca95c7b | 2019-07-04 16:31:12 +0200 | [diff] [blame] | 2638 | procunits, false); |
Jorge Sanjuan | 0f292f0 | 2018-07-11 13:37:53 +0100 | [diff] [blame] | 2639 | case UAC_VERSION_3: |
| 2640 | return build_audio_procunit(state, unitid, raw_desc, |
Takashi Iwai | ca95c7b | 2019-07-04 16:31:12 +0200 | [diff] [blame] | 2641 | uac3_procunits, false); |
Jorge Sanjuan | 0f292f0 | 2018-07-11 13:37:53 +0100 | [diff] [blame] | 2642 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2643 | } |
| 2644 | |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2645 | static int parse_audio_extension_unit(struct mixer_build *state, int unitid, |
| 2646 | void *raw_desc) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2647 | { |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2648 | /* |
| 2649 | * Note that we parse extension units with processing unit descriptors. |
| 2650 | * That's ok as the layout is the same. |
| 2651 | */ |
Takashi Iwai | ca95c7b | 2019-07-04 16:31:12 +0200 | [diff] [blame] | 2652 | return build_audio_procunit(state, unitid, raw_desc, extunits, true); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2653 | } |
| 2654 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2655 | /* |
| 2656 | * Selector Unit |
| 2657 | */ |
| 2658 | |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2659 | /* |
| 2660 | * info callback for selector unit |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2661 | * use an enumerator type for routing |
| 2662 | */ |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2663 | static int mixer_ctl_selector_info(struct snd_kcontrol *kcontrol, |
| 2664 | struct snd_ctl_elem_info *uinfo) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2665 | { |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 2666 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
Clemens Ladisch | 2a1803a | 2011-01-10 16:30:13 +0100 | [diff] [blame] | 2667 | const char **itemlist = (const char **)kcontrol->private_value; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2668 | |
Takashi Iwai | 5e246b8 | 2008-08-08 17:12:47 +0200 | [diff] [blame] | 2669 | if (snd_BUG_ON(!itemlist)) |
| 2670 | return -EINVAL; |
Clemens Ladisch | 2a1803a | 2011-01-10 16:30:13 +0100 | [diff] [blame] | 2671 | return snd_ctl_enum_info(uinfo, 1, cval->max, itemlist); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2672 | } |
| 2673 | |
| 2674 | /* get callback for selector unit */ |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2675 | static int mixer_ctl_selector_get(struct snd_kcontrol *kcontrol, |
| 2676 | struct snd_ctl_elem_value *ucontrol) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2677 | { |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 2678 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2679 | int val, err; |
| 2680 | |
Daniel Mack | 0941420 | 2010-05-31 13:35:44 +0200 | [diff] [blame] | 2681 | err = get_cur_ctl_value(cval, cval->control << 8, &val); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2682 | if (err < 0) { |
Takashi Iwai | 5aeee34 | 2014-11-18 11:02:14 +0100 | [diff] [blame] | 2683 | ucontrol->value.enumerated.item[0] = 0; |
| 2684 | return filter_error(cval, err); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2685 | } |
| 2686 | val = get_relative_value(cval, val); |
| 2687 | ucontrol->value.enumerated.item[0] = val; |
| 2688 | return 0; |
| 2689 | } |
| 2690 | |
| 2691 | /* put callback for selector unit */ |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2692 | static int mixer_ctl_selector_put(struct snd_kcontrol *kcontrol, |
| 2693 | struct snd_ctl_elem_value *ucontrol) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2694 | { |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 2695 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2696 | int val, oval, err; |
| 2697 | |
Daniel Mack | 0941420 | 2010-05-31 13:35:44 +0200 | [diff] [blame] | 2698 | err = get_cur_ctl_value(cval, cval->control << 8, &oval); |
Takashi Iwai | 5aeee34 | 2014-11-18 11:02:14 +0100 | [diff] [blame] | 2699 | if (err < 0) |
| 2700 | return filter_error(cval, err); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2701 | val = ucontrol->value.enumerated.item[0]; |
| 2702 | val = get_abs_value(cval, val); |
| 2703 | if (val != oval) { |
Daniel Mack | 0941420 | 2010-05-31 13:35:44 +0200 | [diff] [blame] | 2704 | set_cur_ctl_value(cval, cval->control << 8, val); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2705 | return 1; |
| 2706 | } |
| 2707 | return 0; |
| 2708 | } |
| 2709 | |
| 2710 | /* alsa control interface for selector unit */ |
Bhumika Goyal | 8fdaebb | 2017-04-12 18:38:06 +0530 | [diff] [blame] | 2711 | static const struct snd_kcontrol_new mixer_selectunit_ctl = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2712 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| 2713 | .name = "", /* will be filled later */ |
| 2714 | .info = mixer_ctl_selector_info, |
| 2715 | .get = mixer_ctl_selector_get, |
| 2716 | .put = mixer_ctl_selector_put, |
| 2717 | }; |
| 2718 | |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2719 | /* |
| 2720 | * private free callback. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2721 | * free both private_data and private_value |
| 2722 | */ |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 2723 | static void usb_mixer_selector_elem_free(struct snd_kcontrol *kctl) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2724 | { |
| 2725 | int i, num_ins = 0; |
| 2726 | |
| 2727 | if (kctl->private_data) { |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 2728 | struct usb_mixer_elem_info *cval = kctl->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2729 | num_ins = cval->max; |
Takashi Iwai | 52c3e31 | 2019-08-22 08:23:10 +0200 | [diff] [blame] | 2730 | usb_mixer_elem_info_free(cval); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2731 | kctl->private_data = NULL; |
| 2732 | } |
| 2733 | if (kctl->private_value) { |
| 2734 | char **itemlist = (char **)kctl->private_value; |
| 2735 | for (i = 0; i < num_ins; i++) |
| 2736 | kfree(itemlist[i]); |
| 2737 | kfree(itemlist); |
| 2738 | kctl->private_value = 0; |
| 2739 | } |
| 2740 | } |
| 2741 | |
| 2742 | /* |
| 2743 | * parse a selector unit |
| 2744 | */ |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2745 | static int parse_audio_selector_unit(struct mixer_build *state, int unitid, |
| 2746 | void *raw_desc) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2747 | { |
Daniel Mack | 99fc864 | 2010-03-11 21:13:24 +0100 | [diff] [blame] | 2748 | struct uac_selector_unit_descriptor *desc = raw_desc; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2749 | unsigned int i, nameid, len; |
| 2750 | int err; |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 2751 | struct usb_mixer_elem_info *cval; |
| 2752 | struct snd_kcontrol *kctl; |
Jaroslav Kysela | c3a3e04 | 2010-02-11 17:50:44 +0100 | [diff] [blame] | 2753 | const struct usbmix_name_map *map; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2754 | char **namelist; |
| 2755 | |
Daniel Mack | 99fc864 | 2010-03-11 21:13:24 +0100 | [diff] [blame] | 2756 | for (i = 0; i < desc->bNrInPins; i++) { |
Takashi Iwai | f25ecf8 | 2018-05-27 15:18:22 +0200 | [diff] [blame] | 2757 | err = parse_audio_unit(state, desc->baSourceID[i]); |
| 2758 | if (err < 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2759 | return err; |
| 2760 | } |
| 2761 | |
Daniel Mack | 99fc864 | 2010-03-11 21:13:24 +0100 | [diff] [blame] | 2762 | if (desc->bNrInPins == 1) /* only one ? nonsense! */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2763 | return 0; |
| 2764 | |
Ruslan Bilovol | 17156f2 | 2018-05-04 04:24:04 +0300 | [diff] [blame] | 2765 | map = find_map(state->map, unitid, 0); |
Jaroslav Kysela | c3a3e04 | 2010-02-11 17:50:44 +0100 | [diff] [blame] | 2766 | if (check_ignored_ctl(map)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2767 | return 0; |
| 2768 | |
Takashi Iwai | 561b220 | 2005-09-09 14:22:34 +0200 | [diff] [blame] | 2769 | cval = kzalloc(sizeof(*cval), GFP_KERNEL); |
Daniel Mack | a860d95 | 2014-05-24 10:58:17 +0200 | [diff] [blame] | 2770 | if (!cval) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2771 | return -ENOMEM; |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 2772 | snd_usb_mixer_elem_init_std(&cval->head, state->mixer, unitid); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2773 | cval->val_type = USB_MIXER_U8; |
| 2774 | cval->channels = 1; |
| 2775 | cval->min = 1; |
Daniel Mack | 99fc864 | 2010-03-11 21:13:24 +0100 | [diff] [blame] | 2776 | cval->max = desc->bNrInPins; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2777 | cval->res = 1; |
| 2778 | cval->initialized = 1; |
| 2779 | |
Jorge Sanjuan | c77e1ef | 2018-07-11 13:37:51 +0100 | [diff] [blame] | 2780 | switch (state->mixer->protocol) { |
| 2781 | case UAC_VERSION_1: |
| 2782 | default: |
Daniel Mack | 0941420 | 2010-05-31 13:35:44 +0200 | [diff] [blame] | 2783 | cval->control = 0; |
Jorge Sanjuan | c77e1ef | 2018-07-11 13:37:51 +0100 | [diff] [blame] | 2784 | break; |
| 2785 | case UAC_VERSION_2: |
| 2786 | case UAC_VERSION_3: |
| 2787 | if (desc->bDescriptorSubtype == UAC2_CLOCK_SELECTOR || |
| 2788 | desc->bDescriptorSubtype == UAC3_CLOCK_SELECTOR) |
| 2789 | cval->control = UAC2_CX_CLOCK_SELECTOR; |
| 2790 | else /* UAC2/3_SELECTOR_UNIT */ |
| 2791 | cval->control = UAC2_SU_SELECTOR; |
| 2792 | break; |
| 2793 | } |
Daniel Mack | 0941420 | 2010-05-31 13:35:44 +0200 | [diff] [blame] | 2794 | |
Takashi Iwai | 52c3e31 | 2019-08-22 08:23:10 +0200 | [diff] [blame] | 2795 | namelist = kcalloc(desc->bNrInPins, sizeof(char *), GFP_KERNEL); |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2796 | if (!namelist) { |
Takashi Iwai | 52c3e31 | 2019-08-22 08:23:10 +0200 | [diff] [blame] | 2797 | err = -ENOMEM; |
| 2798 | goto error_cval; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2799 | } |
| 2800 | #define MAX_ITEM_NAME_LEN 64 |
Daniel Mack | 99fc864 | 2010-03-11 21:13:24 +0100 | [diff] [blame] | 2801 | for (i = 0; i < desc->bNrInPins; i++) { |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 2802 | struct usb_audio_term iterm; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2803 | namelist[i] = kmalloc(MAX_ITEM_NAME_LEN, GFP_KERNEL); |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2804 | if (!namelist[i]) { |
Takashi Iwai | 52c3e31 | 2019-08-22 08:23:10 +0200 | [diff] [blame] | 2805 | err = -ENOMEM; |
| 2806 | goto error_name; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2807 | } |
Clemens Ladisch | 8e062ec | 2005-04-22 15:49:52 +0200 | [diff] [blame] | 2808 | len = check_mapped_selector_name(state, unitid, i, namelist[i], |
| 2809 | MAX_ITEM_NAME_LEN); |
Daniel Mack | 99fc864 | 2010-03-11 21:13:24 +0100 | [diff] [blame] | 2810 | if (! len && check_input_term(state, desc->baSourceID[i], &iterm) >= 0) |
Ruslan Bilovol | eccfc1b | 2018-05-04 04:24:02 +0300 | [diff] [blame] | 2811 | len = get_term_name(state->chip, &iterm, namelist[i], |
| 2812 | MAX_ITEM_NAME_LEN, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2813 | if (! len) |
Masanari Iida | af831ee | 2014-04-28 13:08:55 +0900 | [diff] [blame] | 2814 | sprintf(namelist[i], "Input %u", i); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2815 | } |
| 2816 | |
| 2817 | kctl = snd_ctl_new1(&mixer_selectunit_ctl, cval); |
| 2818 | if (! kctl) { |
Takashi Iwai | 0ba41d9 | 2014-02-26 13:02:17 +0100 | [diff] [blame] | 2819 | usb_audio_err(state->chip, "cannot malloc kcontrol\n"); |
Takashi Iwai | 52c3e31 | 2019-08-22 08:23:10 +0200 | [diff] [blame] | 2820 | err = -ENOMEM; |
| 2821 | goto error_name; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2822 | } |
| 2823 | kctl->private_value = (unsigned long)namelist; |
| 2824 | kctl->private_free = usb_mixer_selector_elem_free; |
| 2825 | |
Takashi Iwai | 5a15f28 | 2017-12-18 23:36:57 +0100 | [diff] [blame] | 2826 | /* check the static mapping table at first */ |
Jaroslav Kysela | c3a3e04 | 2010-02-11 17:50:44 +0100 | [diff] [blame] | 2827 | len = check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name)); |
Jaejoong Kim | 89b89d1 | 2017-12-04 15:31:49 +0900 | [diff] [blame] | 2828 | if (!len) { |
Takashi Iwai | 5a15f28 | 2017-12-18 23:36:57 +0100 | [diff] [blame] | 2829 | /* no mapping ? */ |
Jorge Sanjuan | c77e1ef | 2018-07-11 13:37:51 +0100 | [diff] [blame] | 2830 | switch (state->mixer->protocol) { |
| 2831 | case UAC_VERSION_1: |
| 2832 | case UAC_VERSION_2: |
| 2833 | default: |
Takashi Iwai | 5a15f28 | 2017-12-18 23:36:57 +0100 | [diff] [blame] | 2834 | /* if iSelector is given, use it */ |
Jorge Sanjuan | c77e1ef | 2018-07-11 13:37:51 +0100 | [diff] [blame] | 2835 | nameid = uac_selector_unit_iSelector(desc); |
| 2836 | if (nameid) |
| 2837 | len = snd_usb_copy_string_desc(state->chip, |
| 2838 | nameid, kctl->id.name, |
| 2839 | sizeof(kctl->id.name)); |
| 2840 | break; |
| 2841 | case UAC_VERSION_3: |
| 2842 | /* TODO: Class-Specific strings not yet supported */ |
| 2843 | break; |
| 2844 | } |
| 2845 | |
Takashi Iwai | 5a15f28 | 2017-12-18 23:36:57 +0100 | [diff] [blame] | 2846 | /* ... or pick up the terminal name at next */ |
| 2847 | if (!len) |
Ruslan Bilovol | eccfc1b | 2018-05-04 04:24:02 +0300 | [diff] [blame] | 2848 | len = get_term_name(state->chip, &state->oterm, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2849 | kctl->id.name, sizeof(kctl->id.name), 0); |
Takashi Iwai | 5a15f28 | 2017-12-18 23:36:57 +0100 | [diff] [blame] | 2850 | /* ... or use the fixed string "USB" as the last resort */ |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 2851 | if (!len) |
Joe Perches | 75b1a8f | 2021-01-04 09:17:34 -0800 | [diff] [blame] | 2852 | strscpy(kctl->id.name, "USB", sizeof(kctl->id.name)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2853 | |
Takashi Iwai | 5a15f28 | 2017-12-18 23:36:57 +0100 | [diff] [blame] | 2854 | /* and add the proper suffix */ |
Jorge Sanjuan | c77e1ef | 2018-07-11 13:37:51 +0100 | [diff] [blame] | 2855 | if (desc->bDescriptorSubtype == UAC2_CLOCK_SELECTOR || |
| 2856 | desc->bDescriptorSubtype == UAC3_CLOCK_SELECTOR) |
Daniel Mack | 0941420 | 2010-05-31 13:35:44 +0200 | [diff] [blame] | 2857 | append_ctl_name(kctl, " Clock Source"); |
| 2858 | else if ((state->oterm.type & 0xff00) == 0x0100) |
Takashi Iwai | 08d1e63 | 2009-10-02 14:06:08 +0200 | [diff] [blame] | 2859 | append_ctl_name(kctl, " Capture Source"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2860 | else |
Takashi Iwai | 08d1e63 | 2009-10-02 14:06:08 +0200 | [diff] [blame] | 2861 | append_ctl_name(kctl, " Playback Source"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2862 | } |
| 2863 | |
Takashi Iwai | 0ba41d9 | 2014-02-26 13:02:17 +0100 | [diff] [blame] | 2864 | usb_audio_dbg(state->chip, "[%d] SU [%s] items = %d\n", |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 2865 | cval->head.id, kctl->id.name, desc->bNrInPins); |
| 2866 | return snd_usb_mixer_add_control(&cval->head, kctl); |
Takashi Iwai | 52c3e31 | 2019-08-22 08:23:10 +0200 | [diff] [blame] | 2867 | |
| 2868 | error_name: |
| 2869 | for (i = 0; i < desc->bNrInPins; i++) |
| 2870 | kfree(namelist[i]); |
| 2871 | kfree(namelist); |
| 2872 | error_cval: |
| 2873 | usb_mixer_elem_info_free(cval); |
| 2874 | return err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2875 | } |
| 2876 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2877 | /* |
| 2878 | * parse an audio unit recursively |
| 2879 | */ |
| 2880 | |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 2881 | static int parse_audio_unit(struct mixer_build *state, int unitid) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2882 | { |
| 2883 | unsigned char *p1; |
Ruslan Bilovol | 9a2fe9b | 2018-03-21 02:03:59 +0200 | [diff] [blame] | 2884 | int protocol = state->mixer->protocol; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2885 | |
| 2886 | if (test_and_set_bit(unitid, state->unitbitmap)) |
| 2887 | return 0; /* the unit already visited */ |
| 2888 | |
| 2889 | p1 = find_audio_control_unit(state, unitid); |
| 2890 | if (!p1) { |
Takashi Iwai | 0ba41d9 | 2014-02-26 13:02:17 +0100 | [diff] [blame] | 2891 | usb_audio_err(state->chip, "unit %d not found!\n", unitid); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2892 | return -EINVAL; |
| 2893 | } |
| 2894 | |
Takashi Iwai | 57f8770 | 2019-08-20 17:17:09 +0200 | [diff] [blame] | 2895 | if (!snd_usb_validate_audio_desc(p1, protocol)) { |
| 2896 | usb_audio_dbg(state->chip, "invalid unit %d\n", unitid); |
| 2897 | return 0; /* skip invalid unit */ |
| 2898 | } |
| 2899 | |
Takashi Iwai | 68e9fde | 2019-08-15 16:30:39 +0200 | [diff] [blame] | 2900 | switch (PTYPE(protocol, p1[2])) { |
| 2901 | case PTYPE(UAC_VERSION_1, UAC_INPUT_TERMINAL): |
| 2902 | case PTYPE(UAC_VERSION_2, UAC_INPUT_TERMINAL): |
| 2903 | case PTYPE(UAC_VERSION_3, UAC_INPUT_TERMINAL): |
| 2904 | return parse_audio_input_terminal(state, unitid, p1); |
| 2905 | case PTYPE(UAC_VERSION_1, UAC_MIXER_UNIT): |
| 2906 | case PTYPE(UAC_VERSION_2, UAC_MIXER_UNIT): |
| 2907 | case PTYPE(UAC_VERSION_3, UAC3_MIXER_UNIT): |
| 2908 | return parse_audio_mixer_unit(state, unitid, p1); |
| 2909 | case PTYPE(UAC_VERSION_2, UAC2_CLOCK_SOURCE): |
| 2910 | case PTYPE(UAC_VERSION_3, UAC3_CLOCK_SOURCE): |
| 2911 | return parse_clock_source_unit(state, unitid, p1); |
| 2912 | case PTYPE(UAC_VERSION_1, UAC_SELECTOR_UNIT): |
| 2913 | case PTYPE(UAC_VERSION_2, UAC_SELECTOR_UNIT): |
| 2914 | case PTYPE(UAC_VERSION_3, UAC3_SELECTOR_UNIT): |
| 2915 | case PTYPE(UAC_VERSION_2, UAC2_CLOCK_SELECTOR): |
| 2916 | case PTYPE(UAC_VERSION_3, UAC3_CLOCK_SELECTOR): |
| 2917 | return parse_audio_selector_unit(state, unitid, p1); |
| 2918 | case PTYPE(UAC_VERSION_1, UAC_FEATURE_UNIT): |
| 2919 | case PTYPE(UAC_VERSION_2, UAC_FEATURE_UNIT): |
| 2920 | case PTYPE(UAC_VERSION_3, UAC3_FEATURE_UNIT): |
| 2921 | return parse_audio_feature_unit(state, unitid, p1); |
| 2922 | case PTYPE(UAC_VERSION_1, UAC1_PROCESSING_UNIT): |
| 2923 | case PTYPE(UAC_VERSION_2, UAC2_PROCESSING_UNIT_V2): |
| 2924 | case PTYPE(UAC_VERSION_3, UAC3_PROCESSING_UNIT): |
| 2925 | return parse_audio_processing_unit(state, unitid, p1); |
| 2926 | case PTYPE(UAC_VERSION_1, UAC1_EXTENSION_UNIT): |
| 2927 | case PTYPE(UAC_VERSION_2, UAC2_EXTENSION_UNIT_V2): |
| 2928 | case PTYPE(UAC_VERSION_3, UAC3_EXTENSION_UNIT): |
| 2929 | return parse_audio_extension_unit(state, unitid, p1); |
| 2930 | case PTYPE(UAC_VERSION_2, UAC2_EFFECT_UNIT): |
| 2931 | case PTYPE(UAC_VERSION_3, UAC3_EFFECT_UNIT): |
| 2932 | return 0; /* FIXME - effect units not implemented yet */ |
| 2933 | default: |
| 2934 | usb_audio_err(state->chip, |
| 2935 | "unit %u: unexpected type 0x%02x\n", |
| 2936 | unitid, p1[2]); |
| 2937 | return -EINVAL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2938 | } |
| 2939 | } |
| 2940 | |
Clemens Ladisch | 84957a8 | 2005-04-29 16:23:13 +0200 | [diff] [blame] | 2941 | static void snd_usb_mixer_free(struct usb_mixer_interface *mixer) |
| 2942 | { |
Takashi Iwai | 124751d | 2017-10-10 14:10:32 +0200 | [diff] [blame] | 2943 | /* kill pending URBs */ |
| 2944 | snd_usb_mixer_disconnect(mixer); |
| 2945 | |
Clemens Ladisch | 6639b6c | 2005-04-29 16:26:14 +0200 | [diff] [blame] | 2946 | kfree(mixer->id_elems); |
| 2947 | if (mixer->urb) { |
| 2948 | kfree(mixer->urb->transfer_buffer); |
| 2949 | usb_free_urb(mixer->urb); |
| 2950 | } |
Mariusz Kozlowski | 68df9de | 2006-11-08 15:37:04 +0100 | [diff] [blame] | 2951 | usb_free_urb(mixer->rc_urb); |
Clemens Ladisch | b259b10 | 2005-04-29 16:29:28 +0200 | [diff] [blame] | 2952 | kfree(mixer->rc_setup_packet); |
Clemens Ladisch | 84957a8 | 2005-04-29 16:23:13 +0200 | [diff] [blame] | 2953 | kfree(mixer); |
| 2954 | } |
| 2955 | |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 2956 | static int snd_usb_mixer_dev_free(struct snd_device *device) |
Clemens Ladisch | 84957a8 | 2005-04-29 16:23:13 +0200 | [diff] [blame] | 2957 | { |
| 2958 | struct usb_mixer_interface *mixer = device->device_data; |
| 2959 | snd_usb_mixer_free(mixer); |
| 2960 | return 0; |
| 2961 | } |
| 2962 | |
Ruslan Bilovol | 17156f2 | 2018-05-04 04:24:04 +0300 | [diff] [blame] | 2963 | /* UAC3 predefined channels configuration */ |
| 2964 | struct uac3_badd_profile { |
| 2965 | int subclass; |
| 2966 | const char *name; |
| 2967 | int c_chmask; /* capture channels mask */ |
| 2968 | int p_chmask; /* playback channels mask */ |
| 2969 | int st_chmask; /* side tone mixing channel mask */ |
| 2970 | }; |
| 2971 | |
Takashi Iwai | a01df92 | 2020-01-05 15:47:26 +0100 | [diff] [blame] | 2972 | static const struct uac3_badd_profile uac3_badd_profiles[] = { |
Ruslan Bilovol | 17156f2 | 2018-05-04 04:24:04 +0300 | [diff] [blame] | 2973 | { |
| 2974 | /* |
| 2975 | * BAIF, BAOF or combination of both |
| 2976 | * IN: Mono or Stereo cfg, Mono alt possible |
| 2977 | * OUT: Mono or Stereo cfg, Mono alt possible |
| 2978 | */ |
| 2979 | .subclass = UAC3_FUNCTION_SUBCLASS_GENERIC_IO, |
| 2980 | .name = "GENERIC IO", |
| 2981 | .c_chmask = -1, /* dynamic channels */ |
| 2982 | .p_chmask = -1, /* dynamic channels */ |
| 2983 | }, |
| 2984 | { |
| 2985 | /* BAOF; Stereo only cfg, Mono alt possible */ |
| 2986 | .subclass = UAC3_FUNCTION_SUBCLASS_HEADPHONE, |
| 2987 | .name = "HEADPHONE", |
| 2988 | .p_chmask = 3, |
| 2989 | }, |
| 2990 | { |
| 2991 | /* BAOF; Mono or Stereo cfg, Mono alt possible */ |
| 2992 | .subclass = UAC3_FUNCTION_SUBCLASS_SPEAKER, |
| 2993 | .name = "SPEAKER", |
| 2994 | .p_chmask = -1, /* dynamic channels */ |
| 2995 | }, |
| 2996 | { |
| 2997 | /* BAIF; Mono or Stereo cfg, Mono alt possible */ |
| 2998 | .subclass = UAC3_FUNCTION_SUBCLASS_MICROPHONE, |
| 2999 | .name = "MICROPHONE", |
| 3000 | .c_chmask = -1, /* dynamic channels */ |
| 3001 | }, |
| 3002 | { |
| 3003 | /* |
| 3004 | * BAIOF topology |
| 3005 | * IN: Mono only |
| 3006 | * OUT: Mono or Stereo cfg, Mono alt possible |
| 3007 | */ |
| 3008 | .subclass = UAC3_FUNCTION_SUBCLASS_HEADSET, |
| 3009 | .name = "HEADSET", |
| 3010 | .c_chmask = 1, |
| 3011 | .p_chmask = -1, /* dynamic channels */ |
| 3012 | .st_chmask = 1, |
| 3013 | }, |
| 3014 | { |
| 3015 | /* BAIOF; IN: Mono only; OUT: Stereo only, Mono alt possible */ |
| 3016 | .subclass = UAC3_FUNCTION_SUBCLASS_HEADSET_ADAPTER, |
| 3017 | .name = "HEADSET ADAPTER", |
| 3018 | .c_chmask = 1, |
| 3019 | .p_chmask = 3, |
| 3020 | .st_chmask = 1, |
| 3021 | }, |
| 3022 | { |
| 3023 | /* BAIF + BAOF; IN: Mono only; OUT: Mono only */ |
| 3024 | .subclass = UAC3_FUNCTION_SUBCLASS_SPEAKERPHONE, |
| 3025 | .name = "SPEAKERPHONE", |
| 3026 | .c_chmask = 1, |
| 3027 | .p_chmask = 1, |
| 3028 | }, |
| 3029 | { 0 } /* terminator */ |
| 3030 | }; |
| 3031 | |
| 3032 | static bool uac3_badd_func_has_valid_channels(struct usb_mixer_interface *mixer, |
Takashi Iwai | a01df92 | 2020-01-05 15:47:26 +0100 | [diff] [blame] | 3033 | const struct uac3_badd_profile *f, |
Ruslan Bilovol | 17156f2 | 2018-05-04 04:24:04 +0300 | [diff] [blame] | 3034 | int c_chmask, int p_chmask) |
| 3035 | { |
| 3036 | /* |
| 3037 | * If both playback/capture channels are dynamic, make sure |
| 3038 | * at least one channel is present |
| 3039 | */ |
| 3040 | if (f->c_chmask < 0 && f->p_chmask < 0) { |
| 3041 | if (!c_chmask && !p_chmask) { |
| 3042 | usb_audio_warn(mixer->chip, "BAAD %s: no channels?", |
| 3043 | f->name); |
| 3044 | return false; |
| 3045 | } |
| 3046 | return true; |
| 3047 | } |
| 3048 | |
| 3049 | if ((f->c_chmask < 0 && !c_chmask) || |
| 3050 | (f->c_chmask >= 0 && f->c_chmask != c_chmask)) { |
| 3051 | usb_audio_warn(mixer->chip, "BAAD %s c_chmask mismatch", |
| 3052 | f->name); |
| 3053 | return false; |
| 3054 | } |
| 3055 | if ((f->p_chmask < 0 && !p_chmask) || |
| 3056 | (f->p_chmask >= 0 && f->p_chmask != p_chmask)) { |
| 3057 | usb_audio_warn(mixer->chip, "BAAD %s p_chmask mismatch", |
| 3058 | f->name); |
| 3059 | return false; |
| 3060 | } |
| 3061 | return true; |
| 3062 | } |
| 3063 | |
| 3064 | /* |
| 3065 | * create mixer controls for UAC3 BADD profiles |
| 3066 | * |
| 3067 | * UAC3 BADD device doesn't contain CS descriptors thus we will guess everything |
| 3068 | * |
| 3069 | * BADD device may contain Mixer Unit, which doesn't have any controls, skip it |
| 3070 | */ |
| 3071 | static int snd_usb_mixer_controls_badd(struct usb_mixer_interface *mixer, |
| 3072 | int ctrlif) |
| 3073 | { |
| 3074 | struct usb_device *dev = mixer->chip->dev; |
| 3075 | struct usb_interface_assoc_descriptor *assoc; |
| 3076 | int badd_profile = mixer->chip->badd_profile; |
Takashi Iwai | a01df92 | 2020-01-05 15:47:26 +0100 | [diff] [blame] | 3077 | const struct uac3_badd_profile *f; |
Ruslan Bilovol | 17156f2 | 2018-05-04 04:24:04 +0300 | [diff] [blame] | 3078 | const struct usbmix_ctl_map *map; |
| 3079 | int p_chmask = 0, c_chmask = 0, st_chmask = 0; |
| 3080 | int i; |
| 3081 | |
| 3082 | assoc = usb_ifnum_to_if(dev, ctrlif)->intf_assoc; |
| 3083 | |
| 3084 | /* Detect BADD capture/playback channels from AS EP descriptors */ |
| 3085 | for (i = 0; i < assoc->bInterfaceCount; i++) { |
| 3086 | int intf = assoc->bFirstInterface + i; |
| 3087 | |
| 3088 | struct usb_interface *iface; |
| 3089 | struct usb_host_interface *alts; |
| 3090 | struct usb_interface_descriptor *altsd; |
| 3091 | unsigned int maxpacksize; |
| 3092 | char dir_in; |
| 3093 | int chmask, num; |
| 3094 | |
| 3095 | if (intf == ctrlif) |
| 3096 | continue; |
| 3097 | |
| 3098 | iface = usb_ifnum_to_if(dev, intf); |
Takashi Iwai | 9435f2b | 2019-11-22 12:28:40 +0100 | [diff] [blame] | 3099 | if (!iface) |
| 3100 | continue; |
| 3101 | |
Ruslan Bilovol | 17156f2 | 2018-05-04 04:24:04 +0300 | [diff] [blame] | 3102 | num = iface->num_altsetting; |
| 3103 | |
| 3104 | if (num < 2) |
| 3105 | return -EINVAL; |
| 3106 | |
| 3107 | /* |
| 3108 | * The number of Channels in an AudioStreaming interface |
| 3109 | * and the audio sample bit resolution (16 bits or 24 |
| 3110 | * bits) can be derived from the wMaxPacketSize field in |
| 3111 | * the Standard AS Audio Data Endpoint descriptor in |
| 3112 | * Alternate Setting 1 |
| 3113 | */ |
| 3114 | alts = &iface->altsetting[1]; |
| 3115 | altsd = get_iface_desc(alts); |
| 3116 | |
| 3117 | if (altsd->bNumEndpoints < 1) |
| 3118 | return -EINVAL; |
| 3119 | |
| 3120 | /* check direction */ |
| 3121 | dir_in = (get_endpoint(alts, 0)->bEndpointAddress & USB_DIR_IN); |
| 3122 | maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize); |
| 3123 | |
| 3124 | switch (maxpacksize) { |
| 3125 | default: |
| 3126 | usb_audio_err(mixer->chip, |
| 3127 | "incorrect wMaxPacketSize 0x%x for BADD profile\n", |
| 3128 | maxpacksize); |
| 3129 | return -EINVAL; |
| 3130 | case UAC3_BADD_EP_MAXPSIZE_SYNC_MONO_16: |
| 3131 | case UAC3_BADD_EP_MAXPSIZE_ASYNC_MONO_16: |
| 3132 | case UAC3_BADD_EP_MAXPSIZE_SYNC_MONO_24: |
| 3133 | case UAC3_BADD_EP_MAXPSIZE_ASYNC_MONO_24: |
| 3134 | chmask = 1; |
| 3135 | break; |
| 3136 | case UAC3_BADD_EP_MAXPSIZE_SYNC_STEREO_16: |
| 3137 | case UAC3_BADD_EP_MAXPSIZE_ASYNC_STEREO_16: |
| 3138 | case UAC3_BADD_EP_MAXPSIZE_SYNC_STEREO_24: |
| 3139 | case UAC3_BADD_EP_MAXPSIZE_ASYNC_STEREO_24: |
| 3140 | chmask = 3; |
| 3141 | break; |
| 3142 | } |
| 3143 | |
| 3144 | if (dir_in) |
| 3145 | c_chmask = chmask; |
| 3146 | else |
| 3147 | p_chmask = chmask; |
| 3148 | } |
| 3149 | |
| 3150 | usb_audio_dbg(mixer->chip, |
| 3151 | "UAC3 BADD profile 0x%x: detected c_chmask=%d p_chmask=%d\n", |
| 3152 | badd_profile, c_chmask, p_chmask); |
| 3153 | |
| 3154 | /* check the mapping table */ |
| 3155 | for (map = uac3_badd_usbmix_ctl_maps; map->id; map++) { |
| 3156 | if (map->id == badd_profile) |
| 3157 | break; |
| 3158 | } |
| 3159 | |
| 3160 | if (!map->id) |
| 3161 | return -EINVAL; |
| 3162 | |
| 3163 | for (f = uac3_badd_profiles; f->name; f++) { |
| 3164 | if (badd_profile == f->subclass) |
| 3165 | break; |
| 3166 | } |
| 3167 | if (!f->name) |
| 3168 | return -EINVAL; |
| 3169 | if (!uac3_badd_func_has_valid_channels(mixer, f, c_chmask, p_chmask)) |
| 3170 | return -EINVAL; |
| 3171 | st_chmask = f->st_chmask; |
| 3172 | |
| 3173 | /* Playback */ |
| 3174 | if (p_chmask) { |
| 3175 | /* Master channel, always writable */ |
| 3176 | build_feature_ctl_badd(mixer, 0, UAC_FU_MUTE, |
| 3177 | UAC3_BADD_FU_ID2, map->map); |
| 3178 | /* Mono/Stereo volume channels, always writable */ |
| 3179 | build_feature_ctl_badd(mixer, p_chmask, UAC_FU_VOLUME, |
| 3180 | UAC3_BADD_FU_ID2, map->map); |
| 3181 | } |
| 3182 | |
| 3183 | /* Capture */ |
| 3184 | if (c_chmask) { |
| 3185 | /* Master channel, always writable */ |
| 3186 | build_feature_ctl_badd(mixer, 0, UAC_FU_MUTE, |
| 3187 | UAC3_BADD_FU_ID5, map->map); |
| 3188 | /* Mono/Stereo volume channels, always writable */ |
| 3189 | build_feature_ctl_badd(mixer, c_chmask, UAC_FU_VOLUME, |
| 3190 | UAC3_BADD_FU_ID5, map->map); |
| 3191 | } |
| 3192 | |
| 3193 | /* Side tone-mixing */ |
| 3194 | if (st_chmask) { |
| 3195 | /* Master channel, always writable */ |
| 3196 | build_feature_ctl_badd(mixer, 0, UAC_FU_MUTE, |
| 3197 | UAC3_BADD_FU_ID7, map->map); |
| 3198 | /* Mono volume channel, always writable */ |
| 3199 | build_feature_ctl_badd(mixer, 1, UAC_FU_VOLUME, |
| 3200 | UAC3_BADD_FU_ID7, map->map); |
| 3201 | } |
| 3202 | |
Jorge Sanjuan | 3528cd8 | 2018-06-14 15:05:57 +0100 | [diff] [blame] | 3203 | /* Insertion Control */ |
| 3204 | if (f->subclass == UAC3_FUNCTION_SUBCLASS_HEADSET_ADAPTER) { |
| 3205 | struct usb_audio_term iterm, oterm; |
| 3206 | |
| 3207 | /* Input Term - Insertion control */ |
| 3208 | memset(&iterm, 0, sizeof(iterm)); |
| 3209 | iterm.id = UAC3_BADD_IT_ID4; |
| 3210 | iterm.type = UAC_BIDIR_TERMINAL_HEADSET; |
Takashi Iwai | 934b965 | 2020-04-12 10:13:31 +0200 | [diff] [blame] | 3211 | build_connector_control(mixer, map->map, &iterm, true); |
Jorge Sanjuan | 3528cd8 | 2018-06-14 15:05:57 +0100 | [diff] [blame] | 3212 | |
| 3213 | /* Output Term - Insertion control */ |
| 3214 | memset(&oterm, 0, sizeof(oterm)); |
| 3215 | oterm.id = UAC3_BADD_OT_ID3; |
| 3216 | oterm.type = UAC_BIDIR_TERMINAL_HEADSET; |
Takashi Iwai | 934b965 | 2020-04-12 10:13:31 +0200 | [diff] [blame] | 3217 | build_connector_control(mixer, map->map, &oterm, false); |
Jorge Sanjuan | 3528cd8 | 2018-06-14 15:05:57 +0100 | [diff] [blame] | 3218 | } |
| 3219 | |
Ruslan Bilovol | 17156f2 | 2018-05-04 04:24:04 +0300 | [diff] [blame] | 3220 | return 0; |
| 3221 | } |
| 3222 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3223 | /* |
| 3224 | * create mixer controls |
| 3225 | * |
Daniel Mack | de48c7b | 2010-02-22 23:49:13 +0100 | [diff] [blame] | 3226 | * walk through all UAC_OUTPUT_TERMINAL descriptors to search for mixers |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3227 | */ |
Clemens Ladisch | 84957a8 | 2005-04-29 16:23:13 +0200 | [diff] [blame] | 3228 | static int snd_usb_mixer_controls(struct usb_mixer_interface *mixer) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3229 | { |
Takashi Iwai | 86e07d3 | 2005-11-17 15:08:02 +0100 | [diff] [blame] | 3230 | struct mixer_build state; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3231 | int err; |
| 3232 | const struct usbmix_ctl_map *map; |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 3233 | void *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3234 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3235 | memset(&state, 0, sizeof(state)); |
Clemens Ladisch | 84957a8 | 2005-04-29 16:23:13 +0200 | [diff] [blame] | 3236 | state.chip = mixer->chip; |
| 3237 | state.mixer = mixer; |
Daniel Mack | 1faa5d0 | 2011-08-04 15:56:28 +0200 | [diff] [blame] | 3238 | state.buffer = mixer->hostif->extra; |
| 3239 | state.buflen = mixer->hostif->extralen; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3240 | |
| 3241 | /* check the mapping table */ |
Clemens Ladisch | 27d10f5 | 2005-05-02 08:51:26 +0200 | [diff] [blame] | 3242 | for (map = usbmix_ctl_maps; map->id; map++) { |
| 3243 | if (map->id == state.chip->usb_id) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3244 | state.map = map->map; |
Clemens Ladisch | 8e062ec | 2005-04-22 15:49:52 +0200 | [diff] [blame] | 3245 | state.selector_map = map->selector_map; |
Takashi Iwai | fef66ae | 2020-04-22 13:33:20 +0200 | [diff] [blame] | 3246 | mixer->connector_map = map->connector_map; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3247 | break; |
| 3248 | } |
| 3249 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3250 | |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 3251 | p = NULL; |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 3252 | while ((p = snd_usb_find_csint_desc(mixer->hostif->extra, |
| 3253 | mixer->hostif->extralen, |
Daniel Mack | 1faa5d0 | 2011-08-04 15:56:28 +0200 | [diff] [blame] | 3254 | p, UAC_OUTPUT_TERMINAL)) != NULL) { |
Takashi Iwai | 57f8770 | 2019-08-20 17:17:09 +0200 | [diff] [blame] | 3255 | if (!snd_usb_validate_audio_desc(p, mixer->protocol)) |
| 3256 | continue; /* skip invalid descriptor */ |
| 3257 | |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 3258 | if (mixer->protocol == UAC_VERSION_1) { |
Daniel Mack | 69da9bc | 2010-06-16 17:57:28 +0200 | [diff] [blame] | 3259 | struct uac1_output_terminal_descriptor *desc = p; |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 3260 | |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 3261 | /* mark terminal ID as visited */ |
| 3262 | set_bit(desc->bTerminalID, state.unitbitmap); |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 3263 | state.oterm.id = desc->bTerminalID; |
| 3264 | state.oterm.type = le16_to_cpu(desc->wTerminalType); |
| 3265 | state.oterm.name = desc->iTerminal; |
| 3266 | err = parse_audio_unit(&state, desc->bSourceID); |
Daniel Mack | 83ea5d1 | 2013-03-19 21:09:25 +0100 | [diff] [blame] | 3267 | if (err < 0 && err != -EINVAL) |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 3268 | return err; |
Ruslan Bilovol | 9a2fe9b | 2018-03-21 02:03:59 +0200 | [diff] [blame] | 3269 | } else if (mixer->protocol == UAC_VERSION_2) { |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 3270 | struct uac2_output_terminal_descriptor *desc = p; |
| 3271 | |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 3272 | /* mark terminal ID as visited */ |
| 3273 | set_bit(desc->bTerminalID, state.unitbitmap); |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 3274 | state.oterm.id = desc->bTerminalID; |
| 3275 | state.oterm.type = le16_to_cpu(desc->wTerminalType); |
| 3276 | state.oterm.name = desc->iTerminal; |
| 3277 | err = parse_audio_unit(&state, desc->bSourceID); |
Daniel Mack | 83ea5d1 | 2013-03-19 21:09:25 +0100 | [diff] [blame] | 3278 | if (err < 0 && err != -EINVAL) |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 3279 | return err; |
Daniel Mack | 0941420 | 2010-05-31 13:35:44 +0200 | [diff] [blame] | 3280 | |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 3281 | /* |
| 3282 | * For UAC2, use the same approach to also add the |
| 3283 | * clock selectors |
| 3284 | */ |
Daniel Mack | 0941420 | 2010-05-31 13:35:44 +0200 | [diff] [blame] | 3285 | err = parse_audio_unit(&state, desc->bCSourceID); |
Daniel Mack | 83ea5d1 | 2013-03-19 21:09:25 +0100 | [diff] [blame] | 3286 | if (err < 0 && err != -EINVAL) |
Daniel Mack | 0941420 | 2010-05-31 13:35:44 +0200 | [diff] [blame] | 3287 | return err; |
Andrew Chant | 5a222e8 | 2018-03-23 19:25:23 -0700 | [diff] [blame] | 3288 | |
Takashi Iwai | 7dc3c5a | 2020-04-12 10:13:30 +0200 | [diff] [blame] | 3289 | if ((state.oterm.type & 0xff00) != 0x0100 && |
| 3290 | uac_v2v3_control_is_readable(le16_to_cpu(desc->bmControls), |
Andrew Chant | 5a222e8 | 2018-03-23 19:25:23 -0700 | [diff] [blame] | 3291 | UAC2_TE_CONNECTOR)) { |
Takashi Iwai | 934b965 | 2020-04-12 10:13:31 +0200 | [diff] [blame] | 3292 | build_connector_control(state.mixer, state.map, |
| 3293 | &state.oterm, false); |
Andrew Chant | 5a222e8 | 2018-03-23 19:25:23 -0700 | [diff] [blame] | 3294 | } |
Ruslan Bilovol | 9a2fe9b | 2018-03-21 02:03:59 +0200 | [diff] [blame] | 3295 | } else { /* UAC_VERSION_3 */ |
| 3296 | struct uac3_output_terminal_descriptor *desc = p; |
| 3297 | |
Ruslan Bilovol | 9a2fe9b | 2018-03-21 02:03:59 +0200 | [diff] [blame] | 3298 | /* mark terminal ID as visited */ |
| 3299 | set_bit(desc->bTerminalID, state.unitbitmap); |
| 3300 | state.oterm.id = desc->bTerminalID; |
| 3301 | state.oterm.type = le16_to_cpu(desc->wTerminalType); |
| 3302 | state.oterm.name = le16_to_cpu(desc->wTerminalDescrStr); |
| 3303 | err = parse_audio_unit(&state, desc->bSourceID); |
| 3304 | if (err < 0 && err != -EINVAL) |
| 3305 | return err; |
| 3306 | |
| 3307 | /* |
| 3308 | * For UAC3, use the same approach to also add the |
| 3309 | * clock selectors |
| 3310 | */ |
| 3311 | err = parse_audio_unit(&state, desc->bCSourceID); |
| 3312 | if (err < 0 && err != -EINVAL) |
| 3313 | return err; |
Jorge Sanjuan | 1d38f5d | 2018-05-11 16:25:36 +0100 | [diff] [blame] | 3314 | |
Takashi Iwai | 7dc3c5a | 2020-04-12 10:13:30 +0200 | [diff] [blame] | 3315 | if ((state.oterm.type & 0xff00) != 0x0100 && |
| 3316 | uac_v2v3_control_is_readable(le32_to_cpu(desc->bmControls), |
Jorge Sanjuan | 1d38f5d | 2018-05-11 16:25:36 +0100 | [diff] [blame] | 3317 | UAC3_TE_INSERTION)) { |
Takashi Iwai | 934b965 | 2020-04-12 10:13:31 +0200 | [diff] [blame] | 3318 | build_connector_control(state.mixer, state.map, |
| 3319 | &state.oterm, false); |
Jorge Sanjuan | 1d38f5d | 2018-05-11 16:25:36 +0100 | [diff] [blame] | 3320 | } |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 3321 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3322 | } |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 3323 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3324 | return 0; |
| 3325 | } |
Clemens Ladisch | 84957a8 | 2005-04-29 16:23:13 +0200 | [diff] [blame] | 3326 | |
Takashi Iwai | fef66ae | 2020-04-22 13:33:20 +0200 | [diff] [blame] | 3327 | static int delegate_notify(struct usb_mixer_interface *mixer, int unitid, |
| 3328 | u8 *control, u8 *channel) |
| 3329 | { |
| 3330 | const struct usbmix_connector_map *map = mixer->connector_map; |
| 3331 | |
| 3332 | if (!map) |
| 3333 | return unitid; |
| 3334 | |
| 3335 | for (; map->id; map++) { |
| 3336 | if (map->id == unitid) { |
| 3337 | if (control && map->control) |
| 3338 | *control = map->control; |
| 3339 | if (channel && map->channel) |
| 3340 | *channel = map->channel; |
| 3341 | return map->delegated_id; |
| 3342 | } |
| 3343 | } |
| 3344 | return unitid; |
| 3345 | } |
| 3346 | |
Daniel Mack | 7b1eda2 | 2010-03-11 21:13:22 +0100 | [diff] [blame] | 3347 | 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] | 3348 | { |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 3349 | struct usb_mixer_elem_list *list; |
Clemens Ladisch | 6639b6c | 2005-04-29 16:26:14 +0200 | [diff] [blame] | 3350 | |
Takashi Iwai | fef66ae | 2020-04-22 13:33:20 +0200 | [diff] [blame] | 3351 | unitid = delegate_notify(mixer, unitid, NULL, NULL); |
| 3352 | |
Takashi Iwai | 8c55807 | 2018-05-03 12:33:32 +0200 | [diff] [blame] | 3353 | for_each_mixer_elem(list, mixer, unitid) { |
Takashi Iwai | 220345e | 2020-06-24 14:23:40 +0200 | [diff] [blame] | 3354 | struct usb_mixer_elem_info *info; |
| 3355 | |
| 3356 | if (!list->is_std_info) |
| 3357 | continue; |
| 3358 | info = mixer_elem_list_to_info(list); |
Julian Scheel | b2500b5 | 2017-11-16 17:35:17 +0100 | [diff] [blame] | 3359 | /* invalidate cache, so the value is read from the device */ |
| 3360 | info->cached = 0; |
Clemens Ladisch | 6639b6c | 2005-04-29 16:26:14 +0200 | [diff] [blame] | 3361 | snd_ctl_notify(mixer->chip->card, SNDRV_CTL_EVENT_MASK_VALUE, |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 3362 | &list->kctl->id); |
Julian Scheel | b2500b5 | 2017-11-16 17:35:17 +0100 | [diff] [blame] | 3363 | } |
Clemens Ladisch | 6639b6c | 2005-04-29 16:26:14 +0200 | [diff] [blame] | 3364 | } |
| 3365 | |
Jaroslav Kysela | ebfdeea | 2010-02-16 11:17:09 +0100 | [diff] [blame] | 3366 | static void snd_usb_mixer_dump_cval(struct snd_info_buffer *buffer, |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 3367 | struct usb_mixer_elem_list *list) |
Jaroslav Kysela | ebfdeea | 2010-02-16 11:17:09 +0100 | [diff] [blame] | 3368 | { |
Takashi Iwai | 8c55807 | 2018-05-03 12:33:32 +0200 | [diff] [blame] | 3369 | struct usb_mixer_elem_info *cval = mixer_elem_list_to_info(list); |
Takashi Iwai | 362372c | 2021-06-22 11:06:47 +0200 | [diff] [blame] | 3370 | static const char * const val_types[] = { |
Takashi Iwai | 64752a9 | 2021-07-14 10:48:36 +0200 | [diff] [blame] | 3371 | [USB_MIXER_BOOLEAN] = "BOOLEAN", |
| 3372 | [USB_MIXER_INV_BOOLEAN] = "INV_BOOLEAN", |
| 3373 | [USB_MIXER_S8] = "S8", |
| 3374 | [USB_MIXER_U8] = "U8", |
| 3375 | [USB_MIXER_S16] = "S16", |
| 3376 | [USB_MIXER_U16] = "U16", |
| 3377 | [USB_MIXER_S32] = "S32", |
| 3378 | [USB_MIXER_U32] = "U32", |
| 3379 | [USB_MIXER_BESPOKEN] = "BESPOKEN", |
Takashi Iwai | 362372c | 2021-06-22 11:06:47 +0200 | [diff] [blame] | 3380 | }; |
Jaroslav Kysela | ebfdeea | 2010-02-16 11:17:09 +0100 | [diff] [blame] | 3381 | snd_iprintf(buffer, " Info: id=%i, control=%i, cmask=0x%x, " |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 3382 | "channels=%i, type=\"%s\"\n", cval->head.id, |
Jaroslav Kysela | ebfdeea | 2010-02-16 11:17:09 +0100 | [diff] [blame] | 3383 | cval->control, cval->cmask, cval->channels, |
| 3384 | val_types[cval->val_type]); |
| 3385 | snd_iprintf(buffer, " Volume: min=%i, max=%i, dBmin=%i, dBmax=%i\n", |
| 3386 | cval->min, cval->max, cval->dBmin, cval->dBmax); |
| 3387 | } |
| 3388 | |
| 3389 | static void snd_usb_mixer_proc_read(struct snd_info_entry *entry, |
| 3390 | struct snd_info_buffer *buffer) |
| 3391 | { |
| 3392 | struct snd_usb_audio *chip = entry->private_data; |
| 3393 | struct usb_mixer_interface *mixer; |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 3394 | struct usb_mixer_elem_list *list; |
Jaroslav Kysela | ebfdeea | 2010-02-16 11:17:09 +0100 | [diff] [blame] | 3395 | int unitid; |
| 3396 | |
| 3397 | list_for_each_entry(mixer, &chip->mixer_list, list) { |
| 3398 | snd_iprintf(buffer, |
Jaroslav Kysela | 7affdc1 | 2010-02-16 11:52:27 +0100 | [diff] [blame] | 3399 | "USB Mixer: usb_id=0x%08x, ctrlif=%i, ctlerr=%i\n", |
Chris Wulff | 0aef31b | 2020-03-14 12:54:48 -0400 | [diff] [blame] | 3400 | chip->usb_id, mixer_ctrl_intf(mixer), |
Jaroslav Kysela | 7affdc1 | 2010-02-16 11:52:27 +0100 | [diff] [blame] | 3401 | mixer->ignore_ctl_error); |
Jaroslav Kysela | ebfdeea | 2010-02-16 11:17:09 +0100 | [diff] [blame] | 3402 | snd_iprintf(buffer, "Card: %s\n", chip->card->longname); |
| 3403 | for (unitid = 0; unitid < MAX_ID_ELEMS; unitid++) { |
Takashi Iwai | 8c55807 | 2018-05-03 12:33:32 +0200 | [diff] [blame] | 3404 | for_each_mixer_elem(list, mixer, unitid) { |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 3405 | snd_iprintf(buffer, " Unit: %i\n", list->id); |
| 3406 | if (list->kctl) |
| 3407 | snd_iprintf(buffer, |
| 3408 | " Control: name=\"%s\", index=%i\n", |
| 3409 | list->kctl->id.name, |
| 3410 | list->kctl->id.index); |
| 3411 | if (list->dump) |
| 3412 | list->dump(buffer, list); |
| 3413 | } |
Jaroslav Kysela | ebfdeea | 2010-02-16 11:17:09 +0100 | [diff] [blame] | 3414 | } |
| 3415 | } |
| 3416 | } |
| 3417 | |
Daniel Mack | e213e9c | 2010-05-11 18:13:50 +0200 | [diff] [blame] | 3418 | static void snd_usb_mixer_interrupt_v2(struct usb_mixer_interface *mixer, |
| 3419 | int attribute, int value, int index) |
| 3420 | { |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 3421 | struct usb_mixer_elem_list *list; |
Daniel Mack | e213e9c | 2010-05-11 18:13:50 +0200 | [diff] [blame] | 3422 | __u8 unitid = (index >> 8) & 0xff; |
| 3423 | __u8 control = (value >> 8) & 0xff; |
| 3424 | __u8 channel = value & 0xff; |
Daniel Mack | 191227d | 2016-04-08 19:52:02 +0200 | [diff] [blame] | 3425 | unsigned int count = 0; |
Daniel Mack | e213e9c | 2010-05-11 18:13:50 +0200 | [diff] [blame] | 3426 | |
| 3427 | if (channel >= MAX_CHANNELS) { |
Takashi Iwai | 0ba41d9 | 2014-02-26 13:02:17 +0100 | [diff] [blame] | 3428 | usb_audio_dbg(mixer->chip, |
| 3429 | "%s(): bogus channel number %d\n", |
| 3430 | __func__, channel); |
Daniel Mack | e213e9c | 2010-05-11 18:13:50 +0200 | [diff] [blame] | 3431 | return; |
| 3432 | } |
| 3433 | |
Takashi Iwai | fef66ae | 2020-04-22 13:33:20 +0200 | [diff] [blame] | 3434 | unitid = delegate_notify(mixer, unitid, &control, &channel); |
| 3435 | |
Takashi Iwai | 8c55807 | 2018-05-03 12:33:32 +0200 | [diff] [blame] | 3436 | for_each_mixer_elem(list, mixer, unitid) |
Daniel Mack | 191227d | 2016-04-08 19:52:02 +0200 | [diff] [blame] | 3437 | count++; |
| 3438 | |
| 3439 | if (count == 0) |
| 3440 | return; |
| 3441 | |
Takashi Iwai | 8c55807 | 2018-05-03 12:33:32 +0200 | [diff] [blame] | 3442 | for_each_mixer_elem(list, mixer, unitid) { |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 3443 | struct usb_mixer_elem_info *info; |
| 3444 | |
| 3445 | if (!list->kctl) |
| 3446 | continue; |
Takashi Iwai | 220345e | 2020-06-24 14:23:40 +0200 | [diff] [blame] | 3447 | if (!list->is_std_info) |
| 3448 | continue; |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 3449 | |
Takashi Iwai | 8c55807 | 2018-05-03 12:33:32 +0200 | [diff] [blame] | 3450 | info = mixer_elem_list_to_info(list); |
Daniel Mack | 191227d | 2016-04-08 19:52:02 +0200 | [diff] [blame] | 3451 | if (count > 1 && info->control != control) |
Daniel Mack | e213e9c | 2010-05-11 18:13:50 +0200 | [diff] [blame] | 3452 | continue; |
| 3453 | |
| 3454 | switch (attribute) { |
| 3455 | case UAC2_CS_CUR: |
| 3456 | /* invalidate cache, so the value is read from the device */ |
| 3457 | if (channel) |
Takashi Iwai | e54dc3431 | 2024-07-15 14:36:45 +0200 | [diff] [blame] | 3458 | info->cached &= ~BIT(channel); |
Daniel Mack | e213e9c | 2010-05-11 18:13:50 +0200 | [diff] [blame] | 3459 | else /* master channel */ |
| 3460 | info->cached = 0; |
| 3461 | |
| 3462 | snd_ctl_notify(mixer->chip->card, SNDRV_CTL_EVENT_MASK_VALUE, |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 3463 | &info->head.kctl->id); |
Daniel Mack | e213e9c | 2010-05-11 18:13:50 +0200 | [diff] [blame] | 3464 | break; |
| 3465 | |
| 3466 | case UAC2_CS_RANGE: |
| 3467 | /* TODO */ |
| 3468 | break; |
| 3469 | |
| 3470 | case UAC2_CS_MEM: |
| 3471 | /* TODO */ |
| 3472 | break; |
| 3473 | |
| 3474 | default: |
Takashi Iwai | 0ba41d9 | 2014-02-26 13:02:17 +0100 | [diff] [blame] | 3475 | usb_audio_dbg(mixer->chip, |
| 3476 | "unknown attribute %d in interrupt\n", |
| 3477 | attribute); |
Daniel Mack | e213e9c | 2010-05-11 18:13:50 +0200 | [diff] [blame] | 3478 | break; |
| 3479 | } /* switch */ |
| 3480 | } |
| 3481 | } |
| 3482 | |
| 3483 | static void snd_usb_mixer_interrupt(struct urb *urb) |
Clemens Ladisch | 6639b6c | 2005-04-29 16:26:14 +0200 | [diff] [blame] | 3484 | { |
| 3485 | struct usb_mixer_interface *mixer = urb->context; |
Daniel Mack | e213e9c | 2010-05-11 18:13:50 +0200 | [diff] [blame] | 3486 | int len = urb->actual_length; |
Oliver Neukum | edf7de3 | 2011-03-11 13:19:43 +0100 | [diff] [blame] | 3487 | int ustatus = urb->status; |
Clemens Ladisch | 6639b6c | 2005-04-29 16:26:14 +0200 | [diff] [blame] | 3488 | |
Oliver Neukum | edf7de3 | 2011-03-11 13:19:43 +0100 | [diff] [blame] | 3489 | if (ustatus != 0) |
Daniel Mack | e213e9c | 2010-05-11 18:13:50 +0200 | [diff] [blame] | 3490 | goto requeue; |
Clemens Ladisch | 6639b6c | 2005-04-29 16:26:14 +0200 | [diff] [blame] | 3491 | |
Daniel Mack | e213e9c | 2010-05-11 18:13:50 +0200 | [diff] [blame] | 3492 | if (mixer->protocol == UAC_VERSION_1) { |
| 3493 | struct uac1_status_word *status; |
| 3494 | |
| 3495 | for (status = urb->transfer_buffer; |
| 3496 | len >= sizeof(*status); |
| 3497 | len -= sizeof(*status), status++) { |
Takashi Iwai | 0ba41d9 | 2014-02-26 13:02:17 +0100 | [diff] [blame] | 3498 | dev_dbg(&urb->dev->dev, "status interrupt: %02x %02x\n", |
Daniel Mack | e213e9c | 2010-05-11 18:13:50 +0200 | [diff] [blame] | 3499 | status->bStatusType, |
| 3500 | status->bOriginator); |
| 3501 | |
Clemens Ladisch | 6639b6c | 2005-04-29 16:26:14 +0200 | [diff] [blame] | 3502 | /* ignore any notifications not from the control interface */ |
Daniel Mack | e213e9c | 2010-05-11 18:13:50 +0200 | [diff] [blame] | 3503 | if ((status->bStatusType & UAC1_STATUS_TYPE_ORIG_MASK) != |
| 3504 | UAC1_STATUS_TYPE_ORIG_AUDIO_CONTROL_IF) |
Clemens Ladisch | 6639b6c | 2005-04-29 16:26:14 +0200 | [diff] [blame] | 3505 | continue; |
Daniel Mack | e213e9c | 2010-05-11 18:13:50 +0200 | [diff] [blame] | 3506 | |
| 3507 | if (status->bStatusType & UAC1_STATUS_TYPE_MEM_CHANGED) |
| 3508 | snd_usb_mixer_rc_memory_change(mixer, status->bOriginator); |
Clemens Ladisch | b259b10 | 2005-04-29 16:29:28 +0200 | [diff] [blame] | 3509 | else |
Daniel Mack | e213e9c | 2010-05-11 18:13:50 +0200 | [diff] [blame] | 3510 | snd_usb_mixer_notify_id(mixer, status->bOriginator); |
| 3511 | } |
| 3512 | } else { /* UAC_VERSION_2 */ |
| 3513 | struct uac2_interrupt_data_msg *msg; |
| 3514 | |
| 3515 | for (msg = urb->transfer_buffer; |
| 3516 | len >= sizeof(*msg); |
| 3517 | len -= sizeof(*msg), msg++) { |
| 3518 | /* drop vendor specific and endpoint requests */ |
| 3519 | if ((msg->bInfo & UAC2_INTERRUPT_DATA_MSG_VENDOR) || |
| 3520 | (msg->bInfo & UAC2_INTERRUPT_DATA_MSG_EP)) |
| 3521 | continue; |
| 3522 | |
| 3523 | snd_usb_mixer_interrupt_v2(mixer, msg->bAttribute, |
| 3524 | le16_to_cpu(msg->wValue), |
| 3525 | le16_to_cpu(msg->wIndex)); |
Clemens Ladisch | 6639b6c | 2005-04-29 16:26:14 +0200 | [diff] [blame] | 3526 | } |
| 3527 | } |
Daniel Mack | e213e9c | 2010-05-11 18:13:50 +0200 | [diff] [blame] | 3528 | |
| 3529 | requeue: |
Daniel Mack | 6bc170e | 2014-05-24 10:58:16 +0200 | [diff] [blame] | 3530 | if (ustatus != -ENOENT && |
| 3531 | ustatus != -ECONNRESET && |
| 3532 | ustatus != -ESHUTDOWN) { |
Clemens Ladisch | 6639b6c | 2005-04-29 16:26:14 +0200 | [diff] [blame] | 3533 | urb->dev = mixer->chip->dev; |
| 3534 | usb_submit_urb(urb, GFP_ATOMIC); |
| 3535 | } |
| 3536 | } |
| 3537 | |
| 3538 | /* create the handler for the optional status interrupt endpoint */ |
| 3539 | static int snd_usb_mixer_status_create(struct usb_mixer_interface *mixer) |
| 3540 | { |
Clemens Ladisch | 6639b6c | 2005-04-29 16:26:14 +0200 | [diff] [blame] | 3541 | struct usb_endpoint_descriptor *ep; |
| 3542 | void *transfer_buffer; |
| 3543 | int buffer_length; |
| 3544 | unsigned int epnum; |
| 3545 | |
Clemens Ladisch | 6639b6c | 2005-04-29 16:26:14 +0200 | [diff] [blame] | 3546 | /* we need one interrupt input endpoint */ |
Daniel Mack | 1faa5d0 | 2011-08-04 15:56:28 +0200 | [diff] [blame] | 3547 | if (get_iface_desc(mixer->hostif)->bNumEndpoints < 1) |
Clemens Ladisch | 6639b6c | 2005-04-29 16:26:14 +0200 | [diff] [blame] | 3548 | return 0; |
Daniel Mack | 1faa5d0 | 2011-08-04 15:56:28 +0200 | [diff] [blame] | 3549 | ep = get_endpoint(mixer->hostif, 0); |
Julia Lawall | 913ae5a | 2009-01-03 17:54:53 +0100 | [diff] [blame] | 3550 | if (!usb_endpoint_dir_in(ep) || !usb_endpoint_xfer_int(ep)) |
Clemens Ladisch | 6639b6c | 2005-04-29 16:26:14 +0200 | [diff] [blame] | 3551 | return 0; |
| 3552 | |
Julia Lawall | 42a6e66 | 2008-12-29 11:23:02 +0100 | [diff] [blame] | 3553 | epnum = usb_endpoint_num(ep); |
Clemens Ladisch | 6639b6c | 2005-04-29 16:26:14 +0200 | [diff] [blame] | 3554 | buffer_length = le16_to_cpu(ep->wMaxPacketSize); |
| 3555 | transfer_buffer = kmalloc(buffer_length, GFP_KERNEL); |
| 3556 | if (!transfer_buffer) |
| 3557 | return -ENOMEM; |
| 3558 | mixer->urb = usb_alloc_urb(0, GFP_KERNEL); |
| 3559 | if (!mixer->urb) { |
| 3560 | kfree(transfer_buffer); |
| 3561 | return -ENOMEM; |
| 3562 | } |
| 3563 | usb_fill_int_urb(mixer->urb, mixer->chip->dev, |
| 3564 | usb_rcvintpipe(mixer->chip->dev, epnum), |
| 3565 | transfer_buffer, buffer_length, |
Daniel Mack | e213e9c | 2010-05-11 18:13:50 +0200 | [diff] [blame] | 3566 | snd_usb_mixer_interrupt, mixer, ep->bInterval); |
Clemens Ladisch | 6639b6c | 2005-04-29 16:26:14 +0200 | [diff] [blame] | 3567 | usb_submit_urb(mixer->urb, GFP_KERNEL); |
| 3568 | return 0; |
| 3569 | } |
| 3570 | |
Takashi Iwai | 3c69dc9 | 2021-07-29 09:44:01 +0200 | [diff] [blame] | 3571 | int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif) |
Clemens Ladisch | 84957a8 | 2005-04-29 16:23:13 +0200 | [diff] [blame] | 3572 | { |
Takashi Iwai | c0a142e | 2020-01-03 09:16:26 +0100 | [diff] [blame] | 3573 | static const struct snd_device_ops dev_ops = { |
Clemens Ladisch | 84957a8 | 2005-04-29 16:23:13 +0200 | [diff] [blame] | 3574 | .dev_free = snd_usb_mixer_dev_free |
| 3575 | }; |
| 3576 | struct usb_mixer_interface *mixer; |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 3577 | int err; |
Clemens Ladisch | 84957a8 | 2005-04-29 16:23:13 +0200 | [diff] [blame] | 3578 | |
| 3579 | strcpy(chip->card->mixername, "USB Mixer"); |
| 3580 | |
Takashi Iwai | 561b220 | 2005-09-09 14:22:34 +0200 | [diff] [blame] | 3581 | mixer = kzalloc(sizeof(*mixer), GFP_KERNEL); |
Clemens Ladisch | 84957a8 | 2005-04-29 16:23:13 +0200 | [diff] [blame] | 3582 | if (!mixer) |
| 3583 | return -ENOMEM; |
| 3584 | mixer->chip = chip; |
Takashi Iwai | 3c69dc9 | 2021-07-29 09:44:01 +0200 | [diff] [blame] | 3585 | mixer->ignore_ctl_error = !!(chip->quirk_flags & QUIRK_FLAG_IGNORE_CTL_ERROR); |
Jaroslav Kysela | 291186e | 2010-02-16 11:55:18 +0100 | [diff] [blame] | 3586 | mixer->id_elems = kcalloc(MAX_ID_ELEMS, sizeof(*mixer->id_elems), |
| 3587 | GFP_KERNEL); |
Clemens Ladisch | 6639b6c | 2005-04-29 16:26:14 +0200 | [diff] [blame] | 3588 | if (!mixer->id_elems) { |
| 3589 | kfree(mixer); |
| 3590 | return -ENOMEM; |
| 3591 | } |
Clemens Ladisch | 84957a8 | 2005-04-29 16:23:13 +0200 | [diff] [blame] | 3592 | |
Daniel Mack | 1faa5d0 | 2011-08-04 15:56:28 +0200 | [diff] [blame] | 3593 | mixer->hostif = &usb_ifnum_to_if(chip->dev, ctrlif)->altsetting[0]; |
| 3594 | switch (get_iface_desc(mixer->hostif)->bInterfaceProtocol) { |
Clemens Ladisch | a2acad8 | 2010-09-03 10:53:11 +0200 | [diff] [blame] | 3595 | case UAC_VERSION_1: |
| 3596 | default: |
| 3597 | mixer->protocol = UAC_VERSION_1; |
| 3598 | break; |
| 3599 | case UAC_VERSION_2: |
| 3600 | mixer->protocol = UAC_VERSION_2; |
| 3601 | break; |
Ruslan Bilovol | 9a2fe9b | 2018-03-21 02:03:59 +0200 | [diff] [blame] | 3602 | case UAC_VERSION_3: |
| 3603 | mixer->protocol = UAC_VERSION_3; |
| 3604 | break; |
Clemens Ladisch | a2acad8 | 2010-09-03 10:53:11 +0200 | [diff] [blame] | 3605 | } |
Daniel Mack | 7b8a043 | 2010-02-22 23:49:12 +0100 | [diff] [blame] | 3606 | |
Ruslan Bilovol | 17156f2 | 2018-05-04 04:24:04 +0300 | [diff] [blame] | 3607 | if (mixer->protocol == UAC_VERSION_3 && |
| 3608 | chip->badd_profile >= UAC3_FUNCTION_SUBCLASS_GENERIC_IO) { |
Takashi Iwai | f25ecf8 | 2018-05-27 15:18:22 +0200 | [diff] [blame] | 3609 | err = snd_usb_mixer_controls_badd(mixer, ctrlif); |
| 3610 | if (err < 0) |
Ruslan Bilovol | 17156f2 | 2018-05-04 04:24:04 +0300 | [diff] [blame] | 3611 | goto _error; |
Takashi Iwai | f25ecf8 | 2018-05-27 15:18:22 +0200 | [diff] [blame] | 3612 | } else { |
| 3613 | err = snd_usb_mixer_controls(mixer); |
| 3614 | if (err < 0) |
| 3615 | goto _error; |
Ruslan Bilovol | 17156f2 | 2018-05-04 04:24:04 +0300 | [diff] [blame] | 3616 | } |
Jorge Sanjuan | ad6baae | 2018-06-14 15:05:58 +0100 | [diff] [blame] | 3617 | |
| 3618 | err = snd_usb_mixer_status_create(mixer); |
| 3619 | if (err < 0) |
| 3620 | goto _error; |
| 3621 | |
Takashi Iwai | 328e9f6 | 2019-04-24 13:00:03 +0200 | [diff] [blame] | 3622 | err = snd_usb_mixer_apply_create_quirk(mixer); |
| 3623 | if (err < 0) |
| 3624 | goto _error; |
Clemens Ladisch | 468b8fd | 2009-07-13 11:39:29 +0200 | [diff] [blame] | 3625 | |
Takashi Iwai | 9cbb280 | 2014-02-04 11:15:31 +0100 | [diff] [blame] | 3626 | err = snd_device_new(chip->card, SNDRV_DEV_CODEC, mixer, &dev_ops); |
Clemens Ladisch | 93446ed | 2005-05-03 08:02:40 +0200 | [diff] [blame] | 3627 | if (err < 0) |
| 3628 | goto _error; |
Jaroslav Kysela | ebfdeea | 2010-02-16 11:17:09 +0100 | [diff] [blame] | 3629 | |
Takashi Iwai | 7449054 | 2019-02-04 16:07:35 +0100 | [diff] [blame] | 3630 | if (list_empty(&chip->mixer_list)) |
| 3631 | snd_card_ro_proc_new(chip->card, "usbmixer", chip, |
| 3632 | snd_usb_mixer_proc_read); |
Jaroslav Kysela | ebfdeea | 2010-02-16 11:17:09 +0100 | [diff] [blame] | 3633 | |
Clemens Ladisch | 84957a8 | 2005-04-29 16:23:13 +0200 | [diff] [blame] | 3634 | list_add(&mixer->list, &chip->mixer_list); |
| 3635 | return 0; |
Clemens Ladisch | 93446ed | 2005-05-03 08:02:40 +0200 | [diff] [blame] | 3636 | |
| 3637 | _error: |
| 3638 | snd_usb_mixer_free(mixer); |
| 3639 | return err; |
Clemens Ladisch | 84957a8 | 2005-04-29 16:23:13 +0200 | [diff] [blame] | 3640 | } |
| 3641 | |
Takashi Iwai | a6cece9 | 2014-10-31 11:24:32 +0100 | [diff] [blame] | 3642 | void snd_usb_mixer_disconnect(struct usb_mixer_interface *mixer) |
Clemens Ladisch | 84957a8 | 2005-04-29 16:23:13 +0200 | [diff] [blame] | 3643 | { |
Takashi Iwai | 124751d | 2017-10-10 14:10:32 +0200 | [diff] [blame] | 3644 | if (mixer->disconnected) |
| 3645 | return; |
| 3646 | if (mixer->urb) |
| 3647 | usb_kill_urb(mixer->urb); |
| 3648 | if (mixer->rc_urb) |
| 3649 | usb_kill_urb(mixer->rc_urb); |
Geoffrey D. Bennett | 9e4d5c1 | 2019-07-29 00:42:45 +0930 | [diff] [blame] | 3650 | if (mixer->private_free) |
| 3651 | mixer->private_free(mixer); |
Takashi Iwai | 124751d | 2017-10-10 14:10:32 +0200 | [diff] [blame] | 3652 | mixer->disconnected = true; |
Clemens Ladisch | 84957a8 | 2005-04-29 16:23:13 +0200 | [diff] [blame] | 3653 | } |
Takashi Iwai | 400362f | 2014-01-20 16:51:16 +0100 | [diff] [blame] | 3654 | |
Takashi Iwai | 400362f | 2014-01-20 16:51:16 +0100 | [diff] [blame] | 3655 | /* stop any bus activity of a mixer */ |
| 3656 | static void snd_usb_mixer_inactivate(struct usb_mixer_interface *mixer) |
| 3657 | { |
| 3658 | usb_kill_urb(mixer->urb); |
| 3659 | usb_kill_urb(mixer->rc_urb); |
| 3660 | } |
| 3661 | |
| 3662 | static int snd_usb_mixer_activate(struct usb_mixer_interface *mixer) |
| 3663 | { |
| 3664 | int err; |
| 3665 | |
| 3666 | if (mixer->urb) { |
| 3667 | err = usb_submit_urb(mixer->urb, GFP_NOIO); |
| 3668 | if (err < 0) |
| 3669 | return err; |
| 3670 | } |
| 3671 | |
| 3672 | return 0; |
| 3673 | } |
| 3674 | |
| 3675 | int snd_usb_mixer_suspend(struct usb_mixer_interface *mixer) |
| 3676 | { |
| 3677 | snd_usb_mixer_inactivate(mixer); |
Geoffrey D. Bennett | 9e4d5c1 | 2019-07-29 00:42:45 +0930 | [diff] [blame] | 3678 | if (mixer->private_suspend) |
| 3679 | mixer->private_suspend(mixer); |
Takashi Iwai | 400362f | 2014-01-20 16:51:16 +0100 | [diff] [blame] | 3680 | return 0; |
| 3681 | } |
| 3682 | |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 3683 | static int restore_mixer_value(struct usb_mixer_elem_list *list) |
Takashi Iwai | 400362f | 2014-01-20 16:51:16 +0100 | [diff] [blame] | 3684 | { |
Takashi Iwai | 8c55807 | 2018-05-03 12:33:32 +0200 | [diff] [blame] | 3685 | struct usb_mixer_elem_info *cval = mixer_elem_list_to_info(list); |
Takashi Iwai | 400362f | 2014-01-20 16:51:16 +0100 | [diff] [blame] | 3686 | int c, err, idx; |
| 3687 | |
Takashi Iwai | 785b6f29 | 2021-06-23 02:30:49 +0930 | [diff] [blame] | 3688 | if (cval->val_type == USB_MIXER_BESPOKEN) |
| 3689 | return 0; |
| 3690 | |
Takashi Iwai | 400362f | 2014-01-20 16:51:16 +0100 | [diff] [blame] | 3691 | if (cval->cmask) { |
| 3692 | idx = 0; |
| 3693 | for (c = 0; c < MAX_CHANNELS; c++) { |
Takashi Iwai | e54dc3431 | 2024-07-15 14:36:45 +0200 | [diff] [blame] | 3694 | if (!(cval->cmask & BIT(c))) |
Takashi Iwai | 400362f | 2014-01-20 16:51:16 +0100 | [diff] [blame] | 3695 | continue; |
Takashi Iwai | e54dc3431 | 2024-07-15 14:36:45 +0200 | [diff] [blame] | 3696 | if (cval->cached & BIT(c + 1)) { |
Chris J Arges | eef9045 | 2014-11-12 12:07:01 -0600 | [diff] [blame] | 3697 | err = snd_usb_set_cur_mix_value(cval, c + 1, idx, |
Takashi Iwai | 400362f | 2014-01-20 16:51:16 +0100 | [diff] [blame] | 3698 | cval->cache_val[idx]); |
| 3699 | if (err < 0) |
Takashi Iwai | 9a5adeb | 2022-02-14 13:57:11 +0100 | [diff] [blame] | 3700 | break; |
Takashi Iwai | 400362f | 2014-01-20 16:51:16 +0100 | [diff] [blame] | 3701 | } |
| 3702 | idx++; |
| 3703 | } |
| 3704 | } else { |
| 3705 | /* master */ |
Takashi Iwai | 9a5adeb | 2022-02-14 13:57:11 +0100 | [diff] [blame] | 3706 | if (cval->cached) |
| 3707 | snd_usb_set_cur_mix_value(cval, 0, 0, *cval->cache_val); |
Takashi Iwai | 400362f | 2014-01-20 16:51:16 +0100 | [diff] [blame] | 3708 | } |
| 3709 | |
| 3710 | return 0; |
| 3711 | } |
| 3712 | |
Takashi Iwai | 7b9cf90 | 2021-09-10 12:51:55 +0200 | [diff] [blame] | 3713 | int snd_usb_mixer_resume(struct usb_mixer_interface *mixer) |
Takashi Iwai | 400362f | 2014-01-20 16:51:16 +0100 | [diff] [blame] | 3714 | { |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 3715 | struct usb_mixer_elem_list *list; |
Takashi Iwai | 400362f | 2014-01-20 16:51:16 +0100 | [diff] [blame] | 3716 | int id, err; |
| 3717 | |
Kai-Heng Feng | 44609fc | 2021-03-26 00:59:13 +0800 | [diff] [blame] | 3718 | /* restore cached mixer values */ |
| 3719 | for (id = 0; id < MAX_ID_ELEMS; id++) { |
| 3720 | for_each_mixer_elem(list, mixer, id) { |
Takashi Iwai | 7b9cf90 | 2021-09-10 12:51:55 +0200 | [diff] [blame] | 3721 | if (list->resume) { |
| 3722 | err = list->resume(list); |
Kai-Heng Feng | 44609fc | 2021-03-26 00:59:13 +0800 | [diff] [blame] | 3723 | if (err < 0) |
| 3724 | return err; |
Takashi Iwai | 400362f | 2014-01-20 16:51:16 +0100 | [diff] [blame] | 3725 | } |
| 3726 | } |
| 3727 | } |
| 3728 | |
Takashi Iwai | 964af63 | 2018-04-27 14:23:37 +0200 | [diff] [blame] | 3729 | snd_usb_mixer_resume_quirk(mixer); |
| 3730 | |
Takashi Iwai | 400362f | 2014-01-20 16:51:16 +0100 | [diff] [blame] | 3731 | return snd_usb_mixer_activate(mixer); |
| 3732 | } |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 3733 | |
| 3734 | void snd_usb_mixer_elem_init_std(struct usb_mixer_elem_list *list, |
| 3735 | struct usb_mixer_interface *mixer, |
| 3736 | int unitid) |
| 3737 | { |
| 3738 | list->mixer = mixer; |
| 3739 | list->id = unitid; |
| 3740 | list->dump = snd_usb_mixer_dump_cval; |
Takashi Iwai | 7b9cf90 | 2021-09-10 12:51:55 +0200 | [diff] [blame] | 3741 | list->resume = restore_mixer_value; |
Takashi Iwai | 3360b84 | 2014-11-18 11:47:04 +0100 | [diff] [blame] | 3742 | } |