1f0b5e634SDaniel Mack /* 2f0b5e634SDaniel Mack * (Tentative) USB Audio Driver for ALSA 3f0b5e634SDaniel Mack * 4f0b5e634SDaniel Mack * Mixer control part 5f0b5e634SDaniel Mack * 6f0b5e634SDaniel Mack * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de> 7f0b5e634SDaniel Mack * 8f0b5e634SDaniel Mack * Many codes borrowed from audio.c by 9f0b5e634SDaniel Mack * Alan Cox (alan@lxorguk.ukuu.org.uk) 10f0b5e634SDaniel Mack * Thomas Sailer (sailer@ife.ee.ethz.ch) 11f0b5e634SDaniel Mack * 12f0b5e634SDaniel Mack * 13f0b5e634SDaniel Mack * This program is free software; you can redistribute it and/or modify 14f0b5e634SDaniel Mack * it under the terms of the GNU General Public License as published by 15f0b5e634SDaniel Mack * the Free Software Foundation; either version 2 of the License, or 16f0b5e634SDaniel Mack * (at your option) any later version. 17f0b5e634SDaniel Mack * 18f0b5e634SDaniel Mack * This program is distributed in the hope that it will be useful, 19f0b5e634SDaniel Mack * but WITHOUT ANY WARRANTY; without even the implied warranty of 20f0b5e634SDaniel Mack * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 21f0b5e634SDaniel Mack * GNU General Public License for more details. 22f0b5e634SDaniel Mack * 23f0b5e634SDaniel Mack * You should have received a copy of the GNU General Public License 24f0b5e634SDaniel Mack * along with this program; if not, write to the Free Software 25f0b5e634SDaniel Mack * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 26f0b5e634SDaniel Mack * 27f0b5e634SDaniel Mack */ 28f0b5e634SDaniel Mack 29157a57b6SDaniel Mack /* 30157a57b6SDaniel Mack * TODOs, for both the mixer and the streaming interfaces: 31157a57b6SDaniel Mack * 32157a57b6SDaniel Mack * - support for UAC2 effect units 33157a57b6SDaniel Mack * - support for graphical equalizers 34157a57b6SDaniel Mack * - RANGE and MEM set commands (UAC2) 35157a57b6SDaniel Mack * - RANGE and MEM interrupt dispatchers (UAC2) 36157a57b6SDaniel Mack * - audio channel clustering (UAC2) 37157a57b6SDaniel Mack * - audio sample rate converter units (UAC2) 38157a57b6SDaniel Mack * - proper handling of clock multipliers (UAC2) 39157a57b6SDaniel Mack * - dispatch clock change notifications (UAC2) 40157a57b6SDaniel Mack * - stop PCM streams which use a clock that became invalid 41157a57b6SDaniel Mack * - stop PCM streams which use a clock selector that has changed 42157a57b6SDaniel Mack * - parse available sample rates again when clock sources changed 43157a57b6SDaniel Mack */ 44157a57b6SDaniel Mack 45f0b5e634SDaniel Mack #include <linux/bitops.h> 46f0b5e634SDaniel Mack #include <linux/init.h> 47f0b5e634SDaniel Mack #include <linux/list.h> 48cddaafb9SDaniel Mack #include <linux/log2.h> 49f0b5e634SDaniel Mack #include <linux/slab.h> 50f0b5e634SDaniel Mack #include <linux/string.h> 51f0b5e634SDaniel Mack #include <linux/usb.h> 52f0b5e634SDaniel Mack #include <linux/usb/audio.h> 5323caaf19SDaniel Mack #include <linux/usb/audio-v2.h> 549a2fe9b8SRuslan Bilovol #include <linux/usb/audio-v3.h> 55f0b5e634SDaniel Mack 56f0b5e634SDaniel Mack #include <sound/core.h> 57f0b5e634SDaniel Mack #include <sound/control.h> 58f0b5e634SDaniel Mack #include <sound/hwdep.h> 59f0b5e634SDaniel Mack #include <sound/info.h> 60f0b5e634SDaniel Mack #include <sound/tlv.h> 61f0b5e634SDaniel Mack 62f0b5e634SDaniel Mack #include "usbaudio.h" 63f0b5e634SDaniel Mack #include "mixer.h" 64f0b5e634SDaniel Mack #include "helper.h" 65f0b5e634SDaniel Mack #include "mixer_quirks.h" 6688a8516aSOliver Neukum #include "power.h" 67f0b5e634SDaniel Mack 68f0b5e634SDaniel Mack #define MAX_ID_ELEMS 256 69f0b5e634SDaniel Mack 70f0b5e634SDaniel Mack struct usb_audio_term { 71f0b5e634SDaniel Mack int id; 72f0b5e634SDaniel Mack int type; 73f0b5e634SDaniel Mack int channels; 74f0b5e634SDaniel Mack unsigned int chconfig; 75f0b5e634SDaniel Mack int name; 76f0b5e634SDaniel Mack }; 77f0b5e634SDaniel Mack 78f0b5e634SDaniel Mack struct usbmix_name_map; 79f0b5e634SDaniel Mack 80f0b5e634SDaniel Mack struct mixer_build { 81f0b5e634SDaniel Mack struct snd_usb_audio *chip; 82f0b5e634SDaniel Mack struct usb_mixer_interface *mixer; 83f0b5e634SDaniel Mack unsigned char *buffer; 84f0b5e634SDaniel Mack unsigned int buflen; 85f0b5e634SDaniel Mack DECLARE_BITMAP(unitbitmap, MAX_ID_ELEMS); 86f0b5e634SDaniel Mack struct usb_audio_term oterm; 87f0b5e634SDaniel Mack const struct usbmix_name_map *map; 88f0b5e634SDaniel Mack const struct usbmix_selector_map *selector_map; 89f0b5e634SDaniel Mack }; 90f0b5e634SDaniel Mack 911cdfa9f3SJoseph Teichman /*E-mu 0202/0404/0204 eXtension Unit(XU) control*/ 92f0b5e634SDaniel Mack enum { 93f0b5e634SDaniel Mack USB_XU_CLOCK_RATE = 0xe301, 94f0b5e634SDaniel Mack USB_XU_CLOCK_SOURCE = 0xe302, 95f0b5e634SDaniel Mack USB_XU_DIGITAL_IO_STATUS = 0xe303, 96f0b5e634SDaniel Mack USB_XU_DEVICE_OPTIONS = 0xe304, 97f0b5e634SDaniel Mack USB_XU_DIRECT_MONITORING = 0xe305, 98f0b5e634SDaniel Mack USB_XU_METERING = 0xe306 99f0b5e634SDaniel Mack }; 100f0b5e634SDaniel Mack enum { 101f0b5e634SDaniel Mack USB_XU_CLOCK_SOURCE_SELECTOR = 0x02, /* clock source*/ 102f0b5e634SDaniel Mack USB_XU_CLOCK_RATE_SELECTOR = 0x03, /* clock rate */ 103f0b5e634SDaniel Mack USB_XU_DIGITAL_FORMAT_SELECTOR = 0x01, /* the spdif format */ 104f0b5e634SDaniel Mack USB_XU_SOFT_LIMIT_SELECTOR = 0x03 /* soft limiter */ 105f0b5e634SDaniel Mack }; 106f0b5e634SDaniel Mack 107f0b5e634SDaniel Mack /* 108f0b5e634SDaniel Mack * manual mapping of mixer names 109f0b5e634SDaniel Mack * if the mixer topology is too complicated and the parsed names are 110f0b5e634SDaniel Mack * ambiguous, add the entries in usbmixer_maps.c. 111f0b5e634SDaniel Mack */ 112f0b5e634SDaniel Mack #include "mixer_maps.c" 113f0b5e634SDaniel Mack 114f0b5e634SDaniel Mack static const struct usbmix_name_map * 11517156f23SRuslan Bilovol find_map(const struct usbmix_name_map *p, int unitid, int control) 116f0b5e634SDaniel Mack { 117f0b5e634SDaniel Mack if (!p) 118f0b5e634SDaniel Mack return NULL; 119f0b5e634SDaniel Mack 12017156f23SRuslan Bilovol for (; p->id; p++) { 121f0b5e634SDaniel Mack if (p->id == unitid && 122f0b5e634SDaniel Mack (!control || !p->control || control == p->control)) 123f0b5e634SDaniel Mack return p; 124f0b5e634SDaniel Mack } 125f0b5e634SDaniel Mack return NULL; 126f0b5e634SDaniel Mack } 127f0b5e634SDaniel Mack 128f0b5e634SDaniel Mack /* get the mapped name if the unit matches */ 129f0b5e634SDaniel Mack static int 130f0b5e634SDaniel Mack check_mapped_name(const struct usbmix_name_map *p, char *buf, int buflen) 131f0b5e634SDaniel Mack { 132f0b5e634SDaniel Mack if (!p || !p->name) 133f0b5e634SDaniel Mack return 0; 134f0b5e634SDaniel Mack 135f0b5e634SDaniel Mack buflen--; 136f0b5e634SDaniel Mack return strlcpy(buf, p->name, buflen); 137f0b5e634SDaniel Mack } 138f0b5e634SDaniel Mack 1395aeee342STakashi Iwai /* ignore the error value if ignore_ctl_error flag is set */ 1405aeee342STakashi Iwai #define filter_error(cval, err) \ 1413360b84bSTakashi Iwai ((cval)->head.mixer->ignore_ctl_error ? 0 : (err)) 1425aeee342STakashi Iwai 143f0b5e634SDaniel Mack /* check whether the control should be ignored */ 144f0b5e634SDaniel Mack static inline int 145f0b5e634SDaniel Mack check_ignored_ctl(const struct usbmix_name_map *p) 146f0b5e634SDaniel Mack { 147f0b5e634SDaniel Mack if (!p || p->name || p->dB) 148f0b5e634SDaniel Mack return 0; 149f0b5e634SDaniel Mack return 1; 150f0b5e634SDaniel Mack } 151f0b5e634SDaniel Mack 152f0b5e634SDaniel Mack /* dB mapping */ 153f0b5e634SDaniel Mack static inline void check_mapped_dB(const struct usbmix_name_map *p, 154f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval) 155f0b5e634SDaniel Mack { 156f0b5e634SDaniel Mack if (p && p->dB) { 157f0b5e634SDaniel Mack cval->dBmin = p->dB->min; 158f0b5e634SDaniel Mack cval->dBmax = p->dB->max; 15938b65190STakashi Iwai cval->initialized = 1; 160f0b5e634SDaniel Mack } 161f0b5e634SDaniel Mack } 162f0b5e634SDaniel Mack 163f0b5e634SDaniel Mack /* get the mapped selector source name */ 164f0b5e634SDaniel Mack static int check_mapped_selector_name(struct mixer_build *state, int unitid, 165f0b5e634SDaniel Mack int index, char *buf, int buflen) 166f0b5e634SDaniel Mack { 167f0b5e634SDaniel Mack const struct usbmix_selector_map *p; 168f0b5e634SDaniel Mack 169f0b5e634SDaniel Mack if (!state->selector_map) 170f0b5e634SDaniel Mack return 0; 171f0b5e634SDaniel Mack for (p = state->selector_map; p->id; p++) { 172f0b5e634SDaniel Mack if (p->id == unitid && index < p->count) 173f0b5e634SDaniel Mack return strlcpy(buf, p->names[index], buflen); 174f0b5e634SDaniel Mack } 175f0b5e634SDaniel Mack return 0; 176f0b5e634SDaniel Mack } 177f0b5e634SDaniel Mack 178f0b5e634SDaniel Mack /* 179f0b5e634SDaniel Mack * find an audio control unit with the given unit id 180f0b5e634SDaniel Mack */ 1816bc170e4SDaniel Mack static void *find_audio_control_unit(struct mixer_build *state, 1826bc170e4SDaniel Mack unsigned char unit) 183f0b5e634SDaniel Mack { 18467e1daa0SDaniel Mack /* we just parse the header */ 18567e1daa0SDaniel Mack struct uac_feature_unit_descriptor *hdr = NULL; 186f0b5e634SDaniel Mack 18767e1daa0SDaniel Mack while ((hdr = snd_usb_find_desc(state->buffer, state->buflen, hdr, 188f0b5e634SDaniel Mack USB_DT_CS_INTERFACE)) != NULL) { 18967e1daa0SDaniel Mack if (hdr->bLength >= 4 && 19067e1daa0SDaniel Mack hdr->bDescriptorSubtype >= UAC_INPUT_TERMINAL && 1919a2fe9b8SRuslan Bilovol hdr->bDescriptorSubtype <= UAC3_SAMPLE_RATE_CONVERTER && 19267e1daa0SDaniel Mack hdr->bUnitID == unit) 19367e1daa0SDaniel Mack return hdr; 194f0b5e634SDaniel Mack } 19567e1daa0SDaniel Mack 196f0b5e634SDaniel Mack return NULL; 197f0b5e634SDaniel Mack } 198f0b5e634SDaniel Mack 199f0b5e634SDaniel Mack /* 200f0b5e634SDaniel Mack * copy a string with the given id 201f0b5e634SDaniel Mack */ 202eccfc1b8SRuslan Bilovol static int snd_usb_copy_string_desc(struct snd_usb_audio *chip, 2036bc170e4SDaniel Mack int index, char *buf, int maxlen) 204f0b5e634SDaniel Mack { 205eccfc1b8SRuslan Bilovol int len = usb_string(chip->dev, index, buf, maxlen - 1); 206251552a2SJaejoong Kim 207251552a2SJaejoong Kim if (len < 0) 208251552a2SJaejoong Kim return 0; 209251552a2SJaejoong Kim 210f0b5e634SDaniel Mack buf[len] = 0; 211f0b5e634SDaniel Mack return len; 212f0b5e634SDaniel Mack } 213f0b5e634SDaniel Mack 214f0b5e634SDaniel Mack /* 215f0b5e634SDaniel Mack * convert from the byte/word on usb descriptor to the zero-based integer 216f0b5e634SDaniel Mack */ 217f0b5e634SDaniel Mack static int convert_signed_value(struct usb_mixer_elem_info *cval, int val) 218f0b5e634SDaniel Mack { 219f0b5e634SDaniel Mack switch (cval->val_type) { 220f0b5e634SDaniel Mack case USB_MIXER_BOOLEAN: 221f0b5e634SDaniel Mack return !!val; 222f0b5e634SDaniel Mack case USB_MIXER_INV_BOOLEAN: 223f0b5e634SDaniel Mack return !val; 224f0b5e634SDaniel Mack case USB_MIXER_U8: 225f0b5e634SDaniel Mack val &= 0xff; 226f0b5e634SDaniel Mack break; 227f0b5e634SDaniel Mack case USB_MIXER_S8: 228f0b5e634SDaniel Mack val &= 0xff; 229f0b5e634SDaniel Mack if (val >= 0x80) 230f0b5e634SDaniel Mack val -= 0x100; 231f0b5e634SDaniel Mack break; 232f0b5e634SDaniel Mack case USB_MIXER_U16: 233f0b5e634SDaniel Mack val &= 0xffff; 234f0b5e634SDaniel Mack break; 235f0b5e634SDaniel Mack case USB_MIXER_S16: 236f0b5e634SDaniel Mack val &= 0xffff; 237f0b5e634SDaniel Mack if (val >= 0x8000) 238f0b5e634SDaniel Mack val -= 0x10000; 239f0b5e634SDaniel Mack break; 240f0b5e634SDaniel Mack } 241f0b5e634SDaniel Mack return val; 242f0b5e634SDaniel Mack } 243f0b5e634SDaniel Mack 244f0b5e634SDaniel Mack /* 245f0b5e634SDaniel Mack * convert from the zero-based int to the byte/word for usb descriptor 246f0b5e634SDaniel Mack */ 247f0b5e634SDaniel Mack static int convert_bytes_value(struct usb_mixer_elem_info *cval, int val) 248f0b5e634SDaniel Mack { 249f0b5e634SDaniel Mack switch (cval->val_type) { 250f0b5e634SDaniel Mack case USB_MIXER_BOOLEAN: 251f0b5e634SDaniel Mack return !!val; 252f0b5e634SDaniel Mack case USB_MIXER_INV_BOOLEAN: 253f0b5e634SDaniel Mack return !val; 254f0b5e634SDaniel Mack case USB_MIXER_S8: 255f0b5e634SDaniel Mack case USB_MIXER_U8: 256f0b5e634SDaniel Mack return val & 0xff; 257f0b5e634SDaniel Mack case USB_MIXER_S16: 258f0b5e634SDaniel Mack case USB_MIXER_U16: 259f0b5e634SDaniel Mack return val & 0xffff; 260f0b5e634SDaniel Mack } 261f0b5e634SDaniel Mack return 0; /* not reached */ 262f0b5e634SDaniel Mack } 263f0b5e634SDaniel Mack 264f0b5e634SDaniel Mack static int get_relative_value(struct usb_mixer_elem_info *cval, int val) 265f0b5e634SDaniel Mack { 266f0b5e634SDaniel Mack if (!cval->res) 267f0b5e634SDaniel Mack cval->res = 1; 268f0b5e634SDaniel Mack if (val < cval->min) 269f0b5e634SDaniel Mack return 0; 270f0b5e634SDaniel Mack else if (val >= cval->max) 271f0b5e634SDaniel Mack return (cval->max - cval->min + cval->res - 1) / cval->res; 272f0b5e634SDaniel Mack else 273f0b5e634SDaniel Mack return (val - cval->min) / cval->res; 274f0b5e634SDaniel Mack } 275f0b5e634SDaniel Mack 276f0b5e634SDaniel Mack static int get_abs_value(struct usb_mixer_elem_info *cval, int val) 277f0b5e634SDaniel Mack { 278f0b5e634SDaniel Mack if (val < 0) 279f0b5e634SDaniel Mack return cval->min; 280f0b5e634SDaniel Mack if (!cval->res) 281f0b5e634SDaniel Mack cval->res = 1; 282f0b5e634SDaniel Mack val *= cval->res; 283f0b5e634SDaniel Mack val += cval->min; 284f0b5e634SDaniel Mack if (val > cval->max) 285f0b5e634SDaniel Mack return cval->max; 286f0b5e634SDaniel Mack return val; 287f0b5e634SDaniel Mack } 288f0b5e634SDaniel Mack 289bc18e31cSJulian Scheel static int uac2_ctl_value_size(int val_type) 290bc18e31cSJulian Scheel { 291bc18e31cSJulian Scheel switch (val_type) { 292bc18e31cSJulian Scheel case USB_MIXER_S32: 293bc18e31cSJulian Scheel case USB_MIXER_U32: 294bc18e31cSJulian Scheel return 4; 295bc18e31cSJulian Scheel case USB_MIXER_S16: 296bc18e31cSJulian Scheel case USB_MIXER_U16: 297bc18e31cSJulian Scheel return 2; 298bc18e31cSJulian Scheel default: 299bc18e31cSJulian Scheel return 1; 300bc18e31cSJulian Scheel } 301bc18e31cSJulian Scheel return 0; /* unreachable */ 302bc18e31cSJulian Scheel } 303bc18e31cSJulian Scheel 304f0b5e634SDaniel Mack 305f0b5e634SDaniel Mack /* 306f0b5e634SDaniel Mack * retrieve a mixer value 307f0b5e634SDaniel Mack */ 308f0b5e634SDaniel Mack 3096bc170e4SDaniel Mack static int get_ctl_value_v1(struct usb_mixer_elem_info *cval, int request, 3106bc170e4SDaniel Mack int validx, int *value_ret) 311f0b5e634SDaniel Mack { 3123360b84bSTakashi Iwai struct snd_usb_audio *chip = cval->head.mixer->chip; 313f0b5e634SDaniel Mack unsigned char buf[2]; 314f0b5e634SDaniel Mack int val_len = cval->val_type >= USB_MIXER_S16 ? 2 : 1; 315f0b5e634SDaniel Mack int timeout = 10; 316978520b7STakashi Iwai int idx = 0, err; 317f0b5e634SDaniel Mack 31847ab1545STakashi Iwai err = snd_usb_lock_shutdown(chip); 31988a8516aSOliver Neukum if (err < 0) 32088a8516aSOliver Neukum return -EIO; 3216bc170e4SDaniel Mack 322f0b5e634SDaniel Mack while (timeout-- > 0) { 3233360b84bSTakashi Iwai idx = snd_usb_ctrl_intf(chip) | (cval->head.id << 8); 3245a9a8ecaSStephen Barber err = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), request, 325f0b5e634SDaniel Mack USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, 3265a9a8ecaSStephen Barber validx, idx, buf, val_len); 3275a9a8ecaSStephen Barber if (err >= val_len) { 328f0b5e634SDaniel Mack *value_ret = convert_signed_value(cval, snd_usb_combine_bytes(buf, val_len)); 329978520b7STakashi Iwai err = 0; 330978520b7STakashi Iwai goto out; 3315a9a8ecaSStephen Barber } else if (err == -ETIMEDOUT) { 3325a9a8ecaSStephen Barber goto out; 333f0b5e634SDaniel Mack } 334f0b5e634SDaniel Mack } 3350ba41d91STakashi Iwai usb_audio_dbg(chip, 3360ba41d91STakashi Iwai "cannot get ctl value: req = %#x, wValue = %#x, wIndex = %#x, type = %d\n", 337978520b7STakashi Iwai request, validx, idx, cval->val_type); 338978520b7STakashi Iwai err = -EINVAL; 339978520b7STakashi Iwai 340978520b7STakashi Iwai out: 34147ab1545STakashi Iwai snd_usb_unlock_shutdown(chip); 342978520b7STakashi Iwai return err; 343f0b5e634SDaniel Mack } 344f0b5e634SDaniel Mack 3456bc170e4SDaniel Mack static int get_ctl_value_v2(struct usb_mixer_elem_info *cval, int request, 3466bc170e4SDaniel Mack int validx, int *value_ret) 34723caaf19SDaniel Mack { 3483360b84bSTakashi Iwai struct snd_usb_audio *chip = cval->head.mixer->chip; 349447cae58SKirill Marinushkin /* enough space for one range */ 350447cae58SKirill Marinushkin unsigned char buf[sizeof(__u16) + 3 * sizeof(__u32)]; 35123caaf19SDaniel Mack unsigned char *val; 352447cae58SKirill Marinushkin int idx = 0, ret, val_size, size; 35323caaf19SDaniel Mack __u8 bRequest; 35423caaf19SDaniel Mack 355447cae58SKirill Marinushkin val_size = uac2_ctl_value_size(cval->val_type); 356447cae58SKirill Marinushkin 357e8bdb6bbSDaniel Mack if (request == UAC_GET_CUR) { 358e8bdb6bbSDaniel Mack bRequest = UAC2_CS_CUR; 359447cae58SKirill Marinushkin size = val_size; 360e8bdb6bbSDaniel Mack } else { 361e8bdb6bbSDaniel Mack bRequest = UAC2_CS_RANGE; 362447cae58SKirill Marinushkin size = sizeof(__u16) + 3 * val_size; 363e8bdb6bbSDaniel Mack } 364e8bdb6bbSDaniel Mack 365e8bdb6bbSDaniel Mack memset(buf, 0, sizeof(buf)); 36623caaf19SDaniel Mack 36747ab1545STakashi Iwai ret = snd_usb_lock_shutdown(chip) ? -EIO : 0; 36888a8516aSOliver Neukum if (ret) 36988a8516aSOliver Neukum goto error; 37088a8516aSOliver Neukum 3713360b84bSTakashi Iwai idx = snd_usb_ctrl_intf(chip) | (cval->head.id << 8); 3723d8d4dcfSDaniel Mack ret = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), bRequest, 37323caaf19SDaniel Mack USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, 374978520b7STakashi Iwai validx, idx, buf, size); 37547ab1545STakashi Iwai snd_usb_unlock_shutdown(chip); 37623caaf19SDaniel Mack 37723caaf19SDaniel Mack if (ret < 0) { 37888a8516aSOliver Neukum error: 3790ba41d91STakashi Iwai usb_audio_err(chip, 3800ba41d91STakashi Iwai "cannot get ctl value: req = %#x, wValue = %#x, wIndex = %#x, type = %d\n", 381978520b7STakashi Iwai request, validx, idx, cval->val_type); 38223caaf19SDaniel Mack return ret; 38323caaf19SDaniel Mack } 38423caaf19SDaniel Mack 385e8bdb6bbSDaniel Mack /* FIXME: how should we handle multiple triplets here? */ 386e8bdb6bbSDaniel Mack 38723caaf19SDaniel Mack switch (request) { 38823caaf19SDaniel Mack case UAC_GET_CUR: 38923caaf19SDaniel Mack val = buf; 39023caaf19SDaniel Mack break; 39123caaf19SDaniel Mack case UAC_GET_MIN: 39223caaf19SDaniel Mack val = buf + sizeof(__u16); 39323caaf19SDaniel Mack break; 39423caaf19SDaniel Mack case UAC_GET_MAX: 395447cae58SKirill Marinushkin val = buf + sizeof(__u16) + val_size; 39623caaf19SDaniel Mack break; 39723caaf19SDaniel Mack case UAC_GET_RES: 398447cae58SKirill Marinushkin val = buf + sizeof(__u16) + val_size * 2; 39923caaf19SDaniel Mack break; 40023caaf19SDaniel Mack default: 40123caaf19SDaniel Mack return -EINVAL; 40223caaf19SDaniel Mack } 40323caaf19SDaniel Mack 404447cae58SKirill Marinushkin *value_ret = convert_signed_value(cval, 405447cae58SKirill Marinushkin snd_usb_combine_bytes(val, val_size)); 40623caaf19SDaniel Mack 40723caaf19SDaniel Mack return 0; 40823caaf19SDaniel Mack } 40923caaf19SDaniel Mack 4106bc170e4SDaniel Mack static int get_ctl_value(struct usb_mixer_elem_info *cval, int request, 4116bc170e4SDaniel Mack int validx, int *value_ret) 41223caaf19SDaniel Mack { 4139f814105SEldad Zack validx += cval->idx_off; 4149f814105SEldad Zack 4153360b84bSTakashi Iwai return (cval->head.mixer->protocol == UAC_VERSION_1) ? 41623caaf19SDaniel Mack get_ctl_value_v1(cval, request, validx, value_ret) : 41723caaf19SDaniel Mack get_ctl_value_v2(cval, request, validx, value_ret); 41823caaf19SDaniel Mack } 41923caaf19SDaniel Mack 4206bc170e4SDaniel Mack static int get_cur_ctl_value(struct usb_mixer_elem_info *cval, 4216bc170e4SDaniel Mack int validx, int *value) 422f0b5e634SDaniel Mack { 423f0b5e634SDaniel Mack return get_ctl_value(cval, UAC_GET_CUR, validx, value); 424f0b5e634SDaniel Mack } 425f0b5e634SDaniel Mack 426f0b5e634SDaniel Mack /* channel = 0: master, 1 = first channel */ 427f0b5e634SDaniel Mack static inline int get_cur_mix_raw(struct usb_mixer_elem_info *cval, 428f0b5e634SDaniel Mack int channel, int *value) 429f0b5e634SDaniel Mack { 4306bc170e4SDaniel Mack return get_ctl_value(cval, UAC_GET_CUR, 4316bc170e4SDaniel Mack (cval->control << 8) | channel, 4326bc170e4SDaniel Mack value); 433f0b5e634SDaniel Mack } 434f0b5e634SDaniel Mack 435eef90451SChris J Arges int snd_usb_get_cur_mix_value(struct usb_mixer_elem_info *cval, 436f0b5e634SDaniel Mack int channel, int index, int *value) 437f0b5e634SDaniel Mack { 438f0b5e634SDaniel Mack int err; 439f0b5e634SDaniel Mack 440f0b5e634SDaniel Mack if (cval->cached & (1 << channel)) { 441f0b5e634SDaniel Mack *value = cval->cache_val[index]; 442f0b5e634SDaniel Mack return 0; 443f0b5e634SDaniel Mack } 444f0b5e634SDaniel Mack err = get_cur_mix_raw(cval, channel, value); 445f0b5e634SDaniel Mack if (err < 0) { 4463360b84bSTakashi Iwai if (!cval->head.mixer->ignore_ctl_error) 4473360b84bSTakashi Iwai usb_audio_dbg(cval->head.mixer->chip, 4480ba41d91STakashi Iwai "cannot get current value for control %d ch %d: err = %d\n", 449f0b5e634SDaniel Mack cval->control, channel, err); 450f0b5e634SDaniel Mack return err; 451f0b5e634SDaniel Mack } 452f0b5e634SDaniel Mack cval->cached |= 1 << channel; 453f0b5e634SDaniel Mack cval->cache_val[index] = *value; 454f0b5e634SDaniel Mack return 0; 455f0b5e634SDaniel Mack } 456f0b5e634SDaniel Mack 457f0b5e634SDaniel Mack /* 458f0b5e634SDaniel Mack * set a mixer value 459f0b5e634SDaniel Mack */ 460f0b5e634SDaniel Mack 461f0b5e634SDaniel Mack int snd_usb_mixer_set_ctl_value(struct usb_mixer_elem_info *cval, 462f0b5e634SDaniel Mack int request, int validx, int value_set) 463f0b5e634SDaniel Mack { 4643360b84bSTakashi Iwai struct snd_usb_audio *chip = cval->head.mixer->chip; 465bc18e31cSJulian Scheel unsigned char buf[4]; 466978520b7STakashi Iwai int idx = 0, val_len, err, timeout = 10; 46723caaf19SDaniel Mack 4689f814105SEldad Zack validx += cval->idx_off; 4699f814105SEldad Zack 4709a2fe9b8SRuslan Bilovol 4713360b84bSTakashi Iwai if (cval->head.mixer->protocol == UAC_VERSION_1) { 47223caaf19SDaniel Mack val_len = cval->val_type >= USB_MIXER_S16 ? 2 : 1; 4739a2fe9b8SRuslan Bilovol } else { /* UAC_VERSION_2/3 */ 474bc18e31cSJulian Scheel val_len = uac2_ctl_value_size(cval->val_type); 47523caaf19SDaniel Mack 47623caaf19SDaniel Mack /* FIXME */ 47723caaf19SDaniel Mack if (request != UAC_SET_CUR) { 4780ba41d91STakashi Iwai usb_audio_dbg(chip, "RANGE setting not yet supported\n"); 47923caaf19SDaniel Mack return -EINVAL; 48023caaf19SDaniel Mack } 48123caaf19SDaniel Mack 48223caaf19SDaniel Mack request = UAC2_CS_CUR; 48323caaf19SDaniel Mack } 484f0b5e634SDaniel Mack 485f0b5e634SDaniel Mack value_set = convert_bytes_value(cval, value_set); 486f0b5e634SDaniel Mack buf[0] = value_set & 0xff; 487f0b5e634SDaniel Mack buf[1] = (value_set >> 8) & 0xff; 488bc18e31cSJulian Scheel buf[2] = (value_set >> 16) & 0xff; 489bc18e31cSJulian Scheel buf[3] = (value_set >> 24) & 0xff; 49047ab1545STakashi Iwai 49147ab1545STakashi Iwai err = snd_usb_lock_shutdown(chip); 49288a8516aSOliver Neukum if (err < 0) 49388a8516aSOliver Neukum return -EIO; 49447ab1545STakashi Iwai 495978520b7STakashi Iwai while (timeout-- > 0) { 4963360b84bSTakashi Iwai idx = snd_usb_ctrl_intf(chip) | (cval->head.id << 8); 4975a9a8ecaSStephen Barber err = snd_usb_ctl_msg(chip->dev, 4983d8d4dcfSDaniel Mack usb_sndctrlpipe(chip->dev, 0), request, 499f0b5e634SDaniel Mack USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT, 5005a9a8ecaSStephen Barber validx, idx, buf, val_len); 5015a9a8ecaSStephen Barber if (err >= 0) { 502978520b7STakashi Iwai err = 0; 503978520b7STakashi Iwai goto out; 5045a9a8ecaSStephen Barber } else if (err == -ETIMEDOUT) { 5055a9a8ecaSStephen Barber goto out; 50688a8516aSOliver Neukum } 507978520b7STakashi Iwai } 5080ba41d91STakashi Iwai usb_audio_dbg(chip, "cannot set ctl value: req = %#x, wValue = %#x, wIndex = %#x, type = %d, data = %#x/%#x\n", 509978520b7STakashi Iwai request, validx, idx, cval->val_type, buf[0], buf[1]); 510978520b7STakashi Iwai err = -EINVAL; 511978520b7STakashi Iwai 512978520b7STakashi Iwai out: 51347ab1545STakashi Iwai snd_usb_unlock_shutdown(chip); 514978520b7STakashi Iwai return err; 515f0b5e634SDaniel Mack } 516f0b5e634SDaniel Mack 5176bc170e4SDaniel Mack static int set_cur_ctl_value(struct usb_mixer_elem_info *cval, 5186bc170e4SDaniel Mack int validx, int value) 519f0b5e634SDaniel Mack { 520f0b5e634SDaniel Mack return snd_usb_mixer_set_ctl_value(cval, UAC_SET_CUR, validx, value); 521f0b5e634SDaniel Mack } 522f0b5e634SDaniel Mack 523eef90451SChris J Arges int snd_usb_set_cur_mix_value(struct usb_mixer_elem_info *cval, int channel, 524f0b5e634SDaniel Mack int index, int value) 525f0b5e634SDaniel Mack { 526f0b5e634SDaniel Mack int err; 527a6a33259SDaniel Mack unsigned int read_only = (channel == 0) ? 528a6a33259SDaniel Mack cval->master_readonly : 529a6a33259SDaniel Mack cval->ch_readonly & (1 << (channel - 1)); 530a6a33259SDaniel Mack 531a6a33259SDaniel Mack if (read_only) { 5323360b84bSTakashi Iwai usb_audio_dbg(cval->head.mixer->chip, 5330ba41d91STakashi Iwai "%s(): channel %d of control %d is read_only\n", 534a6a33259SDaniel Mack __func__, channel, cval->control); 535a6a33259SDaniel Mack return 0; 536a6a33259SDaniel Mack } 537a6a33259SDaniel Mack 5386bc170e4SDaniel Mack err = snd_usb_mixer_set_ctl_value(cval, 5396bc170e4SDaniel Mack UAC_SET_CUR, (cval->control << 8) | channel, 540f0b5e634SDaniel Mack value); 541f0b5e634SDaniel Mack if (err < 0) 542f0b5e634SDaniel Mack return err; 543f0b5e634SDaniel Mack cval->cached |= 1 << channel; 544f0b5e634SDaniel Mack cval->cache_val[index] = value; 545f0b5e634SDaniel Mack return 0; 546f0b5e634SDaniel Mack } 547f0b5e634SDaniel Mack 548f0b5e634SDaniel Mack /* 549f0b5e634SDaniel Mack * TLV callback for mixer volume controls 550f0b5e634SDaniel Mack */ 551285de9c0SFelix Homann int snd_usb_mixer_vol_tlv(struct snd_kcontrol *kcontrol, int op_flag, 552f0b5e634SDaniel Mack unsigned int size, unsigned int __user *_tlv) 553f0b5e634SDaniel Mack { 554f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval = kcontrol->private_data; 555f0b5e634SDaniel Mack DECLARE_TLV_DB_MINMAX(scale, 0, 0); 556f0b5e634SDaniel Mack 557f0b5e634SDaniel Mack if (size < sizeof(scale)) 558f0b5e634SDaniel Mack return -ENOMEM; 5590f174b35STakashi Iwai if (cval->min_mute) 5600f174b35STakashi Iwai scale[0] = SNDRV_CTL_TLVT_DB_MINMAX_MUTE; 561f0b5e634SDaniel Mack scale[2] = cval->dBmin; 562f0b5e634SDaniel Mack scale[3] = cval->dBmax; 563f0b5e634SDaniel Mack if (copy_to_user(_tlv, scale, sizeof(scale))) 564f0b5e634SDaniel Mack return -EFAULT; 565f0b5e634SDaniel Mack return 0; 566f0b5e634SDaniel Mack } 567f0b5e634SDaniel Mack 568f0b5e634SDaniel Mack /* 569f0b5e634SDaniel Mack * parser routines begin here... 570f0b5e634SDaniel Mack */ 571f0b5e634SDaniel Mack 572f0b5e634SDaniel Mack static int parse_audio_unit(struct mixer_build *state, int unitid); 573f0b5e634SDaniel Mack 574f0b5e634SDaniel Mack 575f0b5e634SDaniel Mack /* 576f0b5e634SDaniel Mack * check if the input/output channel routing is enabled on the given bitmap. 577f0b5e634SDaniel Mack * used for mixer unit parser 578f0b5e634SDaniel Mack */ 5796bc170e4SDaniel Mack static int check_matrix_bitmap(unsigned char *bmap, 5806bc170e4SDaniel Mack int ich, int och, int num_outs) 581f0b5e634SDaniel Mack { 582f0b5e634SDaniel Mack int idx = ich * num_outs + och; 583f0b5e634SDaniel Mack return bmap[idx >> 3] & (0x80 >> (idx & 7)); 584f0b5e634SDaniel Mack } 585f0b5e634SDaniel Mack 586f0b5e634SDaniel Mack /* 587f0b5e634SDaniel Mack * add an alsa control element 588f0b5e634SDaniel Mack * search and increment the index until an empty slot is found. 589f0b5e634SDaniel Mack * 590f0b5e634SDaniel Mack * if failed, give up and free the control instance. 591f0b5e634SDaniel Mack */ 592f0b5e634SDaniel Mack 5933360b84bSTakashi Iwai int snd_usb_mixer_add_control(struct usb_mixer_elem_list *list, 594ef9d5970SDaniel Mack struct snd_kcontrol *kctl) 595f0b5e634SDaniel Mack { 5963360b84bSTakashi Iwai struct usb_mixer_interface *mixer = list->mixer; 597f0b5e634SDaniel Mack int err; 598f0b5e634SDaniel Mack 599ef9d5970SDaniel Mack while (snd_ctl_find_id(mixer->chip->card, &kctl->id)) 600f0b5e634SDaniel Mack kctl->id.index++; 601f25ecf8fSTakashi Iwai err = snd_ctl_add(mixer->chip->card, kctl); 602f25ecf8fSTakashi Iwai if (err < 0) { 6036bc170e4SDaniel Mack usb_audio_dbg(mixer->chip, "cannot add control (err = %d)\n", 6046bc170e4SDaniel Mack err); 605f0b5e634SDaniel Mack return err; 606f0b5e634SDaniel Mack } 6073360b84bSTakashi Iwai list->kctl = kctl; 6083360b84bSTakashi Iwai list->next_id_elem = mixer->id_elems[list->id]; 6093360b84bSTakashi Iwai mixer->id_elems[list->id] = list; 610f0b5e634SDaniel Mack return 0; 611f0b5e634SDaniel Mack } 612f0b5e634SDaniel Mack 613f0b5e634SDaniel Mack /* 614f0b5e634SDaniel Mack * get a terminal name string 615f0b5e634SDaniel Mack */ 616f0b5e634SDaniel Mack 617f0b5e634SDaniel Mack static struct iterm_name_combo { 618f0b5e634SDaniel Mack int type; 619f0b5e634SDaniel Mack char *name; 620f0b5e634SDaniel Mack } iterm_names[] = { 621f0b5e634SDaniel Mack { 0x0300, "Output" }, 622f0b5e634SDaniel Mack { 0x0301, "Speaker" }, 623f0b5e634SDaniel Mack { 0x0302, "Headphone" }, 624f0b5e634SDaniel Mack { 0x0303, "HMD Audio" }, 625f0b5e634SDaniel Mack { 0x0304, "Desktop Speaker" }, 626f0b5e634SDaniel Mack { 0x0305, "Room Speaker" }, 627f0b5e634SDaniel Mack { 0x0306, "Com Speaker" }, 628f0b5e634SDaniel Mack { 0x0307, "LFE" }, 629f0b5e634SDaniel Mack { 0x0600, "External In" }, 630f0b5e634SDaniel Mack { 0x0601, "Analog In" }, 631f0b5e634SDaniel Mack { 0x0602, "Digital In" }, 632f0b5e634SDaniel Mack { 0x0603, "Line" }, 633f0b5e634SDaniel Mack { 0x0604, "Legacy In" }, 634f0b5e634SDaniel Mack { 0x0605, "IEC958 In" }, 635f0b5e634SDaniel Mack { 0x0606, "1394 DA Stream" }, 636f0b5e634SDaniel Mack { 0x0607, "1394 DV Stream" }, 637f0b5e634SDaniel Mack { 0x0700, "Embedded" }, 638f0b5e634SDaniel Mack { 0x0701, "Noise Source" }, 639f0b5e634SDaniel Mack { 0x0702, "Equalization Noise" }, 640f0b5e634SDaniel Mack { 0x0703, "CD" }, 641f0b5e634SDaniel Mack { 0x0704, "DAT" }, 642f0b5e634SDaniel Mack { 0x0705, "DCC" }, 643f0b5e634SDaniel Mack { 0x0706, "MiniDisk" }, 644f0b5e634SDaniel Mack { 0x0707, "Analog Tape" }, 645f0b5e634SDaniel Mack { 0x0708, "Phonograph" }, 646f0b5e634SDaniel Mack { 0x0709, "VCR Audio" }, 647f0b5e634SDaniel Mack { 0x070a, "Video Disk Audio" }, 648f0b5e634SDaniel Mack { 0x070b, "DVD Audio" }, 649f0b5e634SDaniel Mack { 0x070c, "TV Tuner Audio" }, 650f0b5e634SDaniel Mack { 0x070d, "Satellite Rec Audio" }, 651f0b5e634SDaniel Mack { 0x070e, "Cable Tuner Audio" }, 652f0b5e634SDaniel Mack { 0x070f, "DSS Audio" }, 653f0b5e634SDaniel Mack { 0x0710, "Radio Receiver" }, 654f0b5e634SDaniel Mack { 0x0711, "Radio Transmitter" }, 655f0b5e634SDaniel Mack { 0x0712, "Multi-Track Recorder" }, 656f0b5e634SDaniel Mack { 0x0713, "Synthesizer" }, 657f0b5e634SDaniel Mack { 0 }, 658f0b5e634SDaniel Mack }; 659f0b5e634SDaniel Mack 660eccfc1b8SRuslan Bilovol static int get_term_name(struct snd_usb_audio *chip, struct usb_audio_term *iterm, 661f0b5e634SDaniel Mack unsigned char *name, int maxlen, int term_only) 662f0b5e634SDaniel Mack { 663f0b5e634SDaniel Mack struct iterm_name_combo *names; 66456a23ee5STakashi Iwai int len; 665f0b5e634SDaniel Mack 66656a23ee5STakashi Iwai if (iterm->name) { 667eccfc1b8SRuslan Bilovol len = snd_usb_copy_string_desc(chip, iterm->name, 6686bc170e4SDaniel Mack name, maxlen); 66956a23ee5STakashi Iwai if (len) 67056a23ee5STakashi Iwai return len; 67156a23ee5STakashi Iwai } 672f0b5e634SDaniel Mack 673f0b5e634SDaniel Mack /* virtual type - not a real terminal */ 674f0b5e634SDaniel Mack if (iterm->type >> 16) { 675f0b5e634SDaniel Mack if (term_only) 676f0b5e634SDaniel Mack return 0; 677f0b5e634SDaniel Mack switch (iterm->type >> 16) { 6788b3a087fSJorge Sanjuan case UAC3_SELECTOR_UNIT: 6796bc170e4SDaniel Mack strcpy(name, "Selector"); 6806bc170e4SDaniel Mack return 8; 6818b3a087fSJorge Sanjuan case UAC3_PROCESSING_UNIT: 6826bc170e4SDaniel Mack strcpy(name, "Process Unit"); 6836bc170e4SDaniel Mack return 12; 6848b3a087fSJorge Sanjuan case UAC3_EXTENSION_UNIT: 6856bc170e4SDaniel Mack strcpy(name, "Ext Unit"); 6866bc170e4SDaniel Mack return 8; 6878b3a087fSJorge Sanjuan case UAC3_MIXER_UNIT: 6886bc170e4SDaniel Mack strcpy(name, "Mixer"); 6896bc170e4SDaniel Mack return 5; 690f0b5e634SDaniel Mack default: 691f0b5e634SDaniel Mack return sprintf(name, "Unit %d", iterm->id); 692f0b5e634SDaniel Mack } 693f0b5e634SDaniel Mack } 694f0b5e634SDaniel Mack 695f0b5e634SDaniel Mack switch (iterm->type & 0xff00) { 696f0b5e634SDaniel Mack case 0x0100: 6976bc170e4SDaniel Mack strcpy(name, "PCM"); 6986bc170e4SDaniel Mack return 3; 699f0b5e634SDaniel Mack case 0x0200: 7006bc170e4SDaniel Mack strcpy(name, "Mic"); 7016bc170e4SDaniel Mack return 3; 702f0b5e634SDaniel Mack case 0x0400: 7036bc170e4SDaniel Mack strcpy(name, "Headset"); 7046bc170e4SDaniel Mack return 7; 705f0b5e634SDaniel Mack case 0x0500: 7066bc170e4SDaniel Mack strcpy(name, "Phone"); 7076bc170e4SDaniel Mack return 5; 708f0b5e634SDaniel Mack } 709f0b5e634SDaniel Mack 7106bc170e4SDaniel Mack for (names = iterm_names; names->type; names++) { 711f0b5e634SDaniel Mack if (names->type == iterm->type) { 712f0b5e634SDaniel Mack strcpy(name, names->name); 713f0b5e634SDaniel Mack return strlen(names->name); 714f0b5e634SDaniel Mack } 715f0b5e634SDaniel Mack } 716f0b5e634SDaniel Mack 7176bc170e4SDaniel Mack return 0; 7186bc170e4SDaniel Mack } 719f0b5e634SDaniel Mack 720f0b5e634SDaniel Mack /* 7216cfd839aSJorge Sanjuan * Get logical cluster information for UAC3 devices. 7226cfd839aSJorge Sanjuan */ 7236cfd839aSJorge Sanjuan static int get_cluster_channels_v3(struct mixer_build *state, unsigned int cluster_id) 7246cfd839aSJorge Sanjuan { 7256cfd839aSJorge Sanjuan struct uac3_cluster_header_descriptor c_header; 7266cfd839aSJorge Sanjuan int err; 7276cfd839aSJorge Sanjuan 7286cfd839aSJorge Sanjuan err = snd_usb_ctl_msg(state->chip->dev, 7296cfd839aSJorge Sanjuan usb_rcvctrlpipe(state->chip->dev, 0), 7306cfd839aSJorge Sanjuan UAC3_CS_REQ_HIGH_CAPABILITY_DESCRIPTOR, 7316cfd839aSJorge Sanjuan USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, 7326cfd839aSJorge Sanjuan cluster_id, 7336cfd839aSJorge Sanjuan snd_usb_ctrl_intf(state->chip), 7346cfd839aSJorge Sanjuan &c_header, sizeof(c_header)); 7356cfd839aSJorge Sanjuan if (err < 0) 7366cfd839aSJorge Sanjuan goto error; 7376cfd839aSJorge Sanjuan if (err != sizeof(c_header)) { 7386cfd839aSJorge Sanjuan err = -EIO; 7396cfd839aSJorge Sanjuan goto error; 7406cfd839aSJorge Sanjuan } 7416cfd839aSJorge Sanjuan 7426cfd839aSJorge Sanjuan return c_header.bNrChannels; 7436cfd839aSJorge Sanjuan 7446cfd839aSJorge Sanjuan error: 7456cfd839aSJorge Sanjuan usb_audio_err(state->chip, "cannot request logical cluster ID: %d (err: %d)\n", cluster_id, err); 7466cfd839aSJorge Sanjuan return err; 7476cfd839aSJorge Sanjuan } 7486cfd839aSJorge Sanjuan 7496cfd839aSJorge Sanjuan /* 7506cfd839aSJorge Sanjuan * Get number of channels for a Mixer Unit. 7516cfd839aSJorge Sanjuan */ 7526cfd839aSJorge Sanjuan static int uac_mixer_unit_get_channels(struct mixer_build *state, 7536cfd839aSJorge Sanjuan struct uac_mixer_unit_descriptor *desc) 7546cfd839aSJorge Sanjuan { 7556cfd839aSJorge Sanjuan int mu_channels; 7566cfd839aSJorge Sanjuan 7576cfd839aSJorge Sanjuan if (desc->bLength < 11) 7586cfd839aSJorge Sanjuan return -EINVAL; 7596cfd839aSJorge Sanjuan if (!desc->bNrInPins) 7606cfd839aSJorge Sanjuan return -EINVAL; 7616cfd839aSJorge Sanjuan 7626cfd839aSJorge Sanjuan switch (state->mixer->protocol) { 7636cfd839aSJorge Sanjuan case UAC_VERSION_1: 7646cfd839aSJorge Sanjuan case UAC_VERSION_2: 7656cfd839aSJorge Sanjuan default: 7666cfd839aSJorge Sanjuan mu_channels = uac_mixer_unit_bNrChannels(desc); 7676cfd839aSJorge Sanjuan break; 7686cfd839aSJorge Sanjuan case UAC_VERSION_3: 7696cfd839aSJorge Sanjuan mu_channels = get_cluster_channels_v3(state, 7706cfd839aSJorge Sanjuan uac3_mixer_unit_wClusterDescrID(desc)); 7716cfd839aSJorge Sanjuan break; 7726cfd839aSJorge Sanjuan } 7736cfd839aSJorge Sanjuan 7746cfd839aSJorge Sanjuan if (!mu_channels) 7756cfd839aSJorge Sanjuan return -EINVAL; 7766cfd839aSJorge Sanjuan 7776cfd839aSJorge Sanjuan return mu_channels; 7786cfd839aSJorge Sanjuan } 7796cfd839aSJorge Sanjuan 7806cfd839aSJorge Sanjuan /* 781f0b5e634SDaniel Mack * parse the source unit recursively until it reaches to a terminal 782f0b5e634SDaniel Mack * or a branched unit. 783f0b5e634SDaniel Mack */ 7846bc170e4SDaniel Mack static int check_input_term(struct mixer_build *state, int id, 7856bc170e4SDaniel Mack struct usb_audio_term *term) 786f0b5e634SDaniel Mack { 7879a2fe9b8SRuslan Bilovol int protocol = state->mixer->protocol; 78809414207SDaniel Mack int err; 78923caaf19SDaniel Mack void *p1; 790f0b5e634SDaniel Mack 791f0b5e634SDaniel Mack memset(term, 0, sizeof(*term)); 792f0b5e634SDaniel Mack while ((p1 = find_audio_control_unit(state, id)) != NULL) { 79323caaf19SDaniel Mack unsigned char *hdr = p1; 794f0b5e634SDaniel Mack term->id = id; 7959a2fe9b8SRuslan Bilovol 7969a2fe9b8SRuslan Bilovol if (protocol == UAC_VERSION_1 || protocol == UAC_VERSION_2) { 79723caaf19SDaniel Mack switch (hdr[2]) { 798f0b5e634SDaniel Mack case UAC_INPUT_TERMINAL: 7999a2fe9b8SRuslan Bilovol if (protocol == UAC_VERSION_1) { 80023caaf19SDaniel Mack struct uac_input_terminal_descriptor *d = p1; 8019a2fe9b8SRuslan Bilovol 80223caaf19SDaniel Mack term->type = le16_to_cpu(d->wTerminalType); 80323caaf19SDaniel Mack term->channels = d->bNrChannels; 80423caaf19SDaniel Mack term->chconfig = le16_to_cpu(d->wChannelConfig); 80523caaf19SDaniel Mack term->name = d->iTerminal; 80623caaf19SDaniel Mack } else { /* UAC_VERSION_2 */ 80723caaf19SDaniel Mack struct uac2_input_terminal_descriptor *d = p1; 8089430e547SJulian Scheel 8099430e547SJulian Scheel /* call recursively to verify that the 8109430e547SJulian Scheel * referenced clock entity is valid */ 8119430e547SJulian Scheel err = check_input_term(state, d->bCSourceID, term); 8129430e547SJulian Scheel if (err < 0) 8139430e547SJulian Scheel return err; 8149430e547SJulian Scheel 8159430e547SJulian Scheel /* save input term properties after recursion, 8169430e547SJulian Scheel * to ensure they are not overriden by the 8179430e547SJulian Scheel * recursion calls */ 8189430e547SJulian Scheel term->id = id; 81923caaf19SDaniel Mack term->type = le16_to_cpu(d->wTerminalType); 82023caaf19SDaniel Mack term->channels = d->bNrChannels; 82123caaf19SDaniel Mack term->chconfig = le32_to_cpu(d->bmChannelConfig); 82223caaf19SDaniel Mack term->name = d->iTerminal; 82323caaf19SDaniel Mack } 824f0b5e634SDaniel Mack return 0; 82523caaf19SDaniel Mack case UAC_FEATURE_UNIT: { 82623caaf19SDaniel Mack /* the header is the same for v1 and v2 */ 82723caaf19SDaniel Mack struct uac_feature_unit_descriptor *d = p1; 8289a2fe9b8SRuslan Bilovol 8295e688883SDaniel Mack id = d->bSourceID; 830f0b5e634SDaniel Mack break; /* continue to parse */ 831f0b5e634SDaniel Mack } 83223caaf19SDaniel Mack case UAC_MIXER_UNIT: { 83323caaf19SDaniel Mack struct uac_mixer_unit_descriptor *d = p1; 8349a2fe9b8SRuslan Bilovol 8358b3a087fSJorge Sanjuan term->type = UAC3_MIXER_UNIT << 16; /* virtual type */ 83623caaf19SDaniel Mack term->channels = uac_mixer_unit_bNrChannels(d); 8379a2fe9b8SRuslan Bilovol term->chconfig = uac_mixer_unit_wChannelConfig(d, protocol); 83823caaf19SDaniel Mack term->name = uac_mixer_unit_iMixer(d); 839f0b5e634SDaniel Mack return 0; 84023caaf19SDaniel Mack } 84109414207SDaniel Mack case UAC_SELECTOR_UNIT: 84209414207SDaniel Mack case UAC2_CLOCK_SELECTOR: { 84323caaf19SDaniel Mack struct uac_selector_unit_descriptor *d = p1; 84423caaf19SDaniel Mack /* call recursively to retrieve the channel info */ 8454d7b86c9SDaniel Mack err = check_input_term(state, d->baSourceID[0], term); 8464d7b86c9SDaniel Mack if (err < 0) 8474d7b86c9SDaniel Mack return err; 8488b3a087fSJorge Sanjuan term->type = UAC3_SELECTOR_UNIT << 16; /* virtual type */ 84923caaf19SDaniel Mack term->id = id; 85023caaf19SDaniel Mack term->name = uac_selector_unit_iSelector(d); 85123caaf19SDaniel Mack return 0; 85223caaf19SDaniel Mack } 85369da9bcbSDaniel Mack case UAC1_PROCESSING_UNIT: 8548b3a087fSJorge Sanjuan /* UAC2_EFFECT_UNIT */ 8558b3a087fSJorge Sanjuan if (protocol == UAC_VERSION_1) 8568b3a087fSJorge Sanjuan term->type = UAC3_PROCESSING_UNIT << 16; /* virtual type */ 8578b3a087fSJorge Sanjuan else /* UAC_VERSION_2 */ 8588b3a087fSJorge Sanjuan term->type = UAC3_EFFECT_UNIT << 16; /* virtual type */ 859*91c6e15eSGustavo A. R. Silva /* fall through */ 8605dae5fd2SEldad Zack case UAC1_EXTENSION_UNIT: 8615dae5fd2SEldad Zack /* UAC2_PROCESSING_UNIT_V2 */ 8628b3a087fSJorge Sanjuan if (protocol == UAC_VERSION_1 && !term->type) 8638b3a087fSJorge Sanjuan term->type = UAC3_EXTENSION_UNIT << 16; /* virtual type */ 8648b3a087fSJorge Sanjuan else if (protocol == UAC_VERSION_2 && !term->type) 8658b3a087fSJorge Sanjuan term->type = UAC3_PROCESSING_UNIT << 16; /* virtual type */ 866*91c6e15eSGustavo A. R. Silva /* fall through */ 86761ac5130STorstein Hegge case UAC2_EXTENSION_UNIT_V2: { 86823caaf19SDaniel Mack struct uac_processing_unit_descriptor *d = p1; 8695dae5fd2SEldad Zack 8709a2fe9b8SRuslan Bilovol if (protocol == UAC_VERSION_2 && 8715dae5fd2SEldad Zack hdr[2] == UAC2_EFFECT_UNIT) { 8725dae5fd2SEldad Zack /* UAC2/UAC1 unit IDs overlap here in an 8735dae5fd2SEldad Zack * uncompatible way. Ignore this unit for now. 8745dae5fd2SEldad Zack */ 8755dae5fd2SEldad Zack return 0; 8765dae5fd2SEldad Zack } 8775dae5fd2SEldad Zack 87823caaf19SDaniel Mack if (d->bNrInPins) { 87923caaf19SDaniel Mack id = d->baSourceID[0]; 88023caaf19SDaniel Mack break; /* continue to parse */ 88123caaf19SDaniel Mack } 8828b3a087fSJorge Sanjuan if (!term->type) 8838b3a087fSJorge Sanjuan term->type = UAC3_EXTENSION_UNIT << 16; /* virtual type */ 8848b3a087fSJorge Sanjuan 88523caaf19SDaniel Mack term->channels = uac_processing_unit_bNrChannels(d); 8869a2fe9b8SRuslan Bilovol term->chconfig = uac_processing_unit_wChannelConfig(d, protocol); 8879a2fe9b8SRuslan Bilovol term->name = uac_processing_unit_iProcessing(d, protocol); 88823caaf19SDaniel Mack return 0; 88923caaf19SDaniel Mack } 89009414207SDaniel Mack case UAC2_CLOCK_SOURCE: { 89109414207SDaniel Mack struct uac_clock_source_descriptor *d = p1; 8929a2fe9b8SRuslan Bilovol 8938b3a087fSJorge Sanjuan term->type = UAC3_CLOCK_SOURCE << 16; /* virtual type */ 89409414207SDaniel Mack term->id = id; 89509414207SDaniel Mack term->name = d->iClockSource; 89609414207SDaniel Mack return 0; 89709414207SDaniel Mack } 898f0b5e634SDaniel Mack default: 899f0b5e634SDaniel Mack return -ENODEV; 900f0b5e634SDaniel Mack } 9019a2fe9b8SRuslan Bilovol } else { /* UAC_VERSION_3 */ 9029a2fe9b8SRuslan Bilovol switch (hdr[2]) { 9039a2fe9b8SRuslan Bilovol case UAC_INPUT_TERMINAL: { 9049a2fe9b8SRuslan Bilovol struct uac3_input_terminal_descriptor *d = p1; 9059a2fe9b8SRuslan Bilovol 9069a2fe9b8SRuslan Bilovol /* call recursively to verify that the 9079a2fe9b8SRuslan Bilovol * referenced clock entity is valid */ 9089a2fe9b8SRuslan Bilovol err = check_input_term(state, d->bCSourceID, term); 9099a2fe9b8SRuslan Bilovol if (err < 0) 9109a2fe9b8SRuslan Bilovol return err; 9119a2fe9b8SRuslan Bilovol 9129a2fe9b8SRuslan Bilovol /* save input term properties after recursion, 9139a2fe9b8SRuslan Bilovol * to ensure they are not overriden by the 9149a2fe9b8SRuslan Bilovol * recursion calls */ 9159a2fe9b8SRuslan Bilovol term->id = id; 9169a2fe9b8SRuslan Bilovol term->type = le16_to_cpu(d->wTerminalType); 9179a2fe9b8SRuslan Bilovol 91871066945SJorge Sanjuan err = get_cluster_channels_v3(state, le16_to_cpu(d->wClusterDescrID)); 91971066945SJorge Sanjuan if (err < 0) 92071066945SJorge Sanjuan return err; 92171066945SJorge Sanjuan term->channels = err; 92271066945SJorge Sanjuan 92371066945SJorge Sanjuan /* REVISIT: UAC3 IT doesn't have channels cfg */ 9249a2fe9b8SRuslan Bilovol term->chconfig = 0; 9259a2fe9b8SRuslan Bilovol 9269a2fe9b8SRuslan Bilovol term->name = le16_to_cpu(d->wTerminalDescrStr); 9279a2fe9b8SRuslan Bilovol return 0; 9289a2fe9b8SRuslan Bilovol } 9299a2fe9b8SRuslan Bilovol case UAC3_FEATURE_UNIT: { 9309a2fe9b8SRuslan Bilovol struct uac3_feature_unit_descriptor *d = p1; 9319a2fe9b8SRuslan Bilovol 9329a2fe9b8SRuslan Bilovol id = d->bSourceID; 9339a2fe9b8SRuslan Bilovol break; /* continue to parse */ 9349a2fe9b8SRuslan Bilovol } 9359a2fe9b8SRuslan Bilovol case UAC3_CLOCK_SOURCE: { 9369a2fe9b8SRuslan Bilovol struct uac3_clock_source_descriptor *d = p1; 9379a2fe9b8SRuslan Bilovol 9388b3a087fSJorge Sanjuan term->type = UAC3_CLOCK_SOURCE << 16; /* virtual type */ 9399a2fe9b8SRuslan Bilovol term->id = id; 9409a2fe9b8SRuslan Bilovol term->name = le16_to_cpu(d->wClockSourceStr); 9419a2fe9b8SRuslan Bilovol return 0; 9429a2fe9b8SRuslan Bilovol } 9436cfd839aSJorge Sanjuan case UAC3_MIXER_UNIT: { 9446cfd839aSJorge Sanjuan struct uac_mixer_unit_descriptor *d = p1; 9456cfd839aSJorge Sanjuan 9466cfd839aSJorge Sanjuan err = uac_mixer_unit_get_channels(state, d); 9476cfd839aSJorge Sanjuan if (err < 0) 9486cfd839aSJorge Sanjuan return err; 9496cfd839aSJorge Sanjuan 9506cfd839aSJorge Sanjuan term->channels = err; 9518b3a087fSJorge Sanjuan term->type = UAC3_MIXER_UNIT << 16; /* virtual type */ 9526cfd839aSJorge Sanjuan 9536cfd839aSJorge Sanjuan return 0; 9546cfd839aSJorge Sanjuan } 955c77e1ef1SJorge Sanjuan case UAC3_SELECTOR_UNIT: 956c77e1ef1SJorge Sanjuan case UAC3_CLOCK_SELECTOR: { 957c77e1ef1SJorge Sanjuan struct uac_selector_unit_descriptor *d = p1; 958c77e1ef1SJorge Sanjuan /* call recursively to retrieve the channel info */ 959c77e1ef1SJorge Sanjuan err = check_input_term(state, d->baSourceID[0], term); 960c77e1ef1SJorge Sanjuan if (err < 0) 961c77e1ef1SJorge Sanjuan return err; 9628b3a087fSJorge Sanjuan term->type = UAC3_SELECTOR_UNIT << 16; /* virtual type */ 963c77e1ef1SJorge Sanjuan term->id = id; 964c77e1ef1SJorge Sanjuan term->name = 0; /* TODO: UAC3 Class-specific strings */ 965c77e1ef1SJorge Sanjuan 966c77e1ef1SJorge Sanjuan return 0; 967c77e1ef1SJorge Sanjuan } 9680f292f02SJorge Sanjuan case UAC3_PROCESSING_UNIT: { 9690f292f02SJorge Sanjuan struct uac_processing_unit_descriptor *d = p1; 9700f292f02SJorge Sanjuan 9710f292f02SJorge Sanjuan if (!d->bNrInPins) 9720f292f02SJorge Sanjuan return -EINVAL; 9730f292f02SJorge Sanjuan 9740f292f02SJorge Sanjuan /* call recursively to retrieve the channel info */ 9750f292f02SJorge Sanjuan err = check_input_term(state, d->baSourceID[0], term); 9760f292f02SJorge Sanjuan if (err < 0) 9770f292f02SJorge Sanjuan return err; 9780f292f02SJorge Sanjuan 9798b3a087fSJorge Sanjuan term->type = UAC3_PROCESSING_UNIT << 16; /* virtual type */ 9800f292f02SJorge Sanjuan term->id = id; 9810f292f02SJorge Sanjuan term->name = 0; /* TODO: UAC3 Class-specific strings */ 9820f292f02SJorge Sanjuan 9830f292f02SJorge Sanjuan return 0; 9840f292f02SJorge Sanjuan } 9859a2fe9b8SRuslan Bilovol default: 9869a2fe9b8SRuslan Bilovol return -ENODEV; 9879a2fe9b8SRuslan Bilovol } 9889a2fe9b8SRuslan Bilovol } 989f0b5e634SDaniel Mack } 990f0b5e634SDaniel Mack return -ENODEV; 991f0b5e634SDaniel Mack } 992f0b5e634SDaniel Mack 993f0b5e634SDaniel Mack /* 994f0b5e634SDaniel Mack * Feature Unit 995f0b5e634SDaniel Mack */ 996f0b5e634SDaniel Mack 997f0b5e634SDaniel Mack /* feature unit control information */ 998f0b5e634SDaniel Mack struct usb_feature_control_info { 99921e9b3e9SAndrew Chant int control; 1000f0b5e634SDaniel Mack const char *name; 1001bc18e31cSJulian Scheel int type; /* data type for uac1 */ 1002bc18e31cSJulian Scheel int type_uac2; /* data type for uac2 if different from uac1, else -1 */ 1003f0b5e634SDaniel Mack }; 1004f0b5e634SDaniel Mack 1005f0b5e634SDaniel Mack static struct usb_feature_control_info audio_feature_info[] = { 100621e9b3e9SAndrew Chant { UAC_FU_MUTE, "Mute", USB_MIXER_INV_BOOLEAN, -1 }, 100721e9b3e9SAndrew Chant { UAC_FU_VOLUME, "Volume", USB_MIXER_S16, -1 }, 100821e9b3e9SAndrew Chant { UAC_FU_BASS, "Tone Control - Bass", USB_MIXER_S8, -1 }, 100921e9b3e9SAndrew Chant { UAC_FU_MID, "Tone Control - Mid", USB_MIXER_S8, -1 }, 101021e9b3e9SAndrew Chant { UAC_FU_TREBLE, "Tone Control - Treble", USB_MIXER_S8, -1 }, 101121e9b3e9SAndrew Chant { UAC_FU_GRAPHIC_EQUALIZER, "Graphic Equalizer", USB_MIXER_S8, -1 }, /* FIXME: not implemented yet */ 101221e9b3e9SAndrew Chant { UAC_FU_AUTOMATIC_GAIN, "Auto Gain Control", USB_MIXER_BOOLEAN, -1 }, 101321e9b3e9SAndrew Chant { UAC_FU_DELAY, "Delay Control", USB_MIXER_U16, USB_MIXER_U32 }, 101421e9b3e9SAndrew Chant { UAC_FU_BASS_BOOST, "Bass Boost", USB_MIXER_BOOLEAN, -1 }, 101521e9b3e9SAndrew Chant { UAC_FU_LOUDNESS, "Loudness", USB_MIXER_BOOLEAN, -1 }, 10162e0281d1SDaniel Mack /* UAC2 specific */ 101721e9b3e9SAndrew Chant { UAC2_FU_INPUT_GAIN, "Input Gain Control", USB_MIXER_S16, -1 }, 101821e9b3e9SAndrew Chant { UAC2_FU_INPUT_GAIN_PAD, "Input Gain Pad Control", USB_MIXER_S16, -1 }, 101921e9b3e9SAndrew Chant { UAC2_FU_PHASE_INVERTER, "Phase Inverter Control", USB_MIXER_BOOLEAN, -1 }, 1020f0b5e634SDaniel Mack }; 1021f0b5e634SDaniel Mack 1022f0b5e634SDaniel Mack /* private_free callback */ 1023eef90451SChris J Arges void snd_usb_mixer_elem_free(struct snd_kcontrol *kctl) 1024f0b5e634SDaniel Mack { 1025f0b5e634SDaniel Mack kfree(kctl->private_data); 1026f0b5e634SDaniel Mack kctl->private_data = NULL; 1027f0b5e634SDaniel Mack } 1028f0b5e634SDaniel Mack 1029f0b5e634SDaniel Mack /* 1030f0b5e634SDaniel Mack * interface to ALSA control for feature/mixer units 1031f0b5e634SDaniel Mack */ 1032f0b5e634SDaniel Mack 1033dcaaf9f2STakashi Iwai /* volume control quirks */ 1034dcaaf9f2STakashi Iwai static void volume_control_quirks(struct usb_mixer_elem_info *cval, 1035dcaaf9f2STakashi Iwai struct snd_kcontrol *kctl) 1036dcaaf9f2STakashi Iwai { 10373360b84bSTakashi Iwai struct snd_usb_audio *chip = cval->head.mixer->chip; 10380ba41d91STakashi Iwai switch (chip->usb_id) { 1039d50ed624SEldad Zack case USB_ID(0x0763, 0x2030): /* M-Audio Fast Track C400 */ 1040e9a25e04SMatt Gruskin case USB_ID(0x0763, 0x2031): /* M-Audio Fast Track C600 */ 1041d50ed624SEldad Zack if (strcmp(kctl->id.name, "Effect Duration") == 0) { 1042d50ed624SEldad Zack cval->min = 0x0000; 1043d50ed624SEldad Zack cval->max = 0xffff; 1044d50ed624SEldad Zack cval->res = 0x00e6; 1045d50ed624SEldad Zack break; 1046d50ed624SEldad Zack } 1047d50ed624SEldad Zack if (strcmp(kctl->id.name, "Effect Volume") == 0 || 1048d50ed624SEldad Zack strcmp(kctl->id.name, "Effect Feedback Volume") == 0) { 1049d50ed624SEldad Zack cval->min = 0x00; 1050d50ed624SEldad Zack cval->max = 0xff; 1051d50ed624SEldad Zack break; 1052d50ed624SEldad Zack } 1053d50ed624SEldad Zack if (strstr(kctl->id.name, "Effect Return") != NULL) { 1054d50ed624SEldad Zack cval->min = 0xb706; 1055d50ed624SEldad Zack cval->max = 0xff7b; 1056d50ed624SEldad Zack cval->res = 0x0073; 1057d50ed624SEldad Zack break; 1058d50ed624SEldad Zack } 1059d50ed624SEldad Zack if ((strstr(kctl->id.name, "Playback Volume") != NULL) || 1060d50ed624SEldad Zack (strstr(kctl->id.name, "Effect Send") != NULL)) { 1061d50ed624SEldad Zack cval->min = 0xb5fb; /* -73 dB = 0xb6ff */ 1062d50ed624SEldad Zack cval->max = 0xfcfe; 1063d50ed624SEldad Zack cval->res = 0x0073; 1064d50ed624SEldad Zack } 1065d50ed624SEldad Zack break; 1066d50ed624SEldad Zack 1067d34bf148SFelix Homann case USB_ID(0x0763, 0x2081): /* M-Audio Fast Track Ultra 8R */ 1068d34bf148SFelix Homann case USB_ID(0x0763, 0x2080): /* M-Audio Fast Track Ultra */ 1069d34bf148SFelix Homann if (strcmp(kctl->id.name, "Effect Duration") == 0) { 10700ba41d91STakashi Iwai usb_audio_info(chip, 10710ba41d91STakashi Iwai "set quirk for FTU Effect Duration\n"); 1072d34bf148SFelix Homann cval->min = 0x0000; 1073d34bf148SFelix Homann cval->max = 0x7f00; 1074d34bf148SFelix Homann cval->res = 0x0100; 1075d34bf148SFelix Homann break; 1076d34bf148SFelix Homann } 1077d34bf148SFelix Homann if (strcmp(kctl->id.name, "Effect Volume") == 0 || 1078d34bf148SFelix Homann strcmp(kctl->id.name, "Effect Feedback Volume") == 0) { 10790ba41d91STakashi Iwai usb_audio_info(chip, 10800ba41d91STakashi Iwai "set quirks for FTU Effect Feedback/Volume\n"); 1081d34bf148SFelix Homann cval->min = 0x00; 1082d34bf148SFelix Homann cval->max = 0x7f; 1083d34bf148SFelix Homann break; 1084d34bf148SFelix Homann } 1085d34bf148SFelix Homann break; 1086d34bf148SFelix Homann 108721493316SFederico Cuello case USB_ID(0x0d8c, 0x0103): 108821493316SFederico Cuello if (!strcmp(kctl->id.name, "PCM Playback Volume")) { 108921493316SFederico Cuello usb_audio_info(chip, 109021493316SFederico Cuello "set volume quirk for CM102-A+/102S+\n"); 109121493316SFederico Cuello cval->min = -256; 109221493316SFederico Cuello } 109321493316SFederico Cuello break; 109421493316SFederico Cuello 1095dcaaf9f2STakashi Iwai case USB_ID(0x0471, 0x0101): 1096dcaaf9f2STakashi Iwai case USB_ID(0x0471, 0x0104): 1097dcaaf9f2STakashi Iwai case USB_ID(0x0471, 0x0105): 1098dcaaf9f2STakashi Iwai case USB_ID(0x0672, 0x1041): 1099dcaaf9f2STakashi Iwai /* quirk for UDA1321/N101. 1100dcaaf9f2STakashi Iwai * note that detection between firmware 2.1.1.7 (N101) 1101dcaaf9f2STakashi Iwai * and later 2.1.1.21 is not very clear from datasheets. 1102dcaaf9f2STakashi Iwai * I hope that the min value is -15360 for newer firmware --jk 1103dcaaf9f2STakashi Iwai */ 1104dcaaf9f2STakashi Iwai if (!strcmp(kctl->id.name, "PCM Playback Volume") && 1105dcaaf9f2STakashi Iwai cval->min == -15616) { 11060ba41d91STakashi Iwai usb_audio_info(chip, 1107dcaaf9f2STakashi Iwai "set volume quirk for UDA1321/N101 chip\n"); 1108dcaaf9f2STakashi Iwai cval->max = -256; 1109dcaaf9f2STakashi Iwai } 1110dcaaf9f2STakashi Iwai break; 1111dcaaf9f2STakashi Iwai 1112dcaaf9f2STakashi Iwai case USB_ID(0x046d, 0x09a4): 1113dcaaf9f2STakashi Iwai if (!strcmp(kctl->id.name, "Mic Capture Volume")) { 11140ba41d91STakashi Iwai usb_audio_info(chip, 1115dcaaf9f2STakashi Iwai "set volume quirk for QuickCam E3500\n"); 1116dcaaf9f2STakashi Iwai cval->min = 6080; 1117dcaaf9f2STakashi Iwai cval->max = 8768; 1118dcaaf9f2STakashi Iwai cval->res = 192; 1119dcaaf9f2STakashi Iwai } 1120dcaaf9f2STakashi Iwai break; 1121dcaaf9f2STakashi Iwai 1122e805ca8bSTakashi Iwai case USB_ID(0x046d, 0x0807): /* Logitech Webcam C500 */ 1123dcaaf9f2STakashi Iwai case USB_ID(0x046d, 0x0808): 1124dcaaf9f2STakashi Iwai case USB_ID(0x046d, 0x0809): 112564559311SJason Lee Cragg case USB_ID(0x046d, 0x0819): /* Logitech Webcam C210 */ 112636691e1bSTakashi Iwai case USB_ID(0x046d, 0x081b): /* HD Webcam c310 */ 112755c0008bSAlexey Fisher case USB_ID(0x046d, 0x081d): /* HD Webcam c510 */ 112811e7064fSTakashi Iwai case USB_ID(0x046d, 0x0825): /* HD Webcam c270 */ 1129140d37deSMaksim A. Boyko case USB_ID(0x046d, 0x0826): /* HD Webcam c525 */ 11301ef9f058SWolfram Sang case USB_ID(0x046d, 0x08ca): /* Logitech Quickcam Fusion */ 1131dcaaf9f2STakashi Iwai case USB_ID(0x046d, 0x0991): 113282ffb6fcSCon Kolivas case USB_ID(0x046d, 0x09a2): /* QuickCam Communicate Deluxe/S7500 */ 1133dcaaf9f2STakashi Iwai /* Most audio usb devices lie about volume resolution. 1134dcaaf9f2STakashi Iwai * Most Logitech webcams have res = 384. 113582ffb6fcSCon Kolivas * Probably there is some logitech magic behind this number --fishor 1136dcaaf9f2STakashi Iwai */ 1137dcaaf9f2STakashi Iwai if (!strcmp(kctl->id.name, "Mic Capture Volume")) { 11380ba41d91STakashi Iwai usb_audio_info(chip, 1139dcaaf9f2STakashi Iwai "set resolution quirk: cval->res = 384\n"); 1140dcaaf9f2STakashi Iwai cval->res = 384; 1141dcaaf9f2STakashi Iwai } 1142dcaaf9f2STakashi Iwai break; 1143dcaaf9f2STakashi Iwai } 1144dcaaf9f2STakashi Iwai } 1145dcaaf9f2STakashi Iwai 1146f0b5e634SDaniel Mack /* 1147f0b5e634SDaniel Mack * retrieve the minimum and maximum values for the specified control 1148f0b5e634SDaniel Mack */ 1149dcaaf9f2STakashi Iwai static int get_min_max_with_quirks(struct usb_mixer_elem_info *cval, 1150dcaaf9f2STakashi Iwai int default_min, struct snd_kcontrol *kctl) 1151f0b5e634SDaniel Mack { 1152f0b5e634SDaniel Mack /* for failsafe */ 1153f0b5e634SDaniel Mack cval->min = default_min; 1154f0b5e634SDaniel Mack cval->max = cval->min + 1; 1155f0b5e634SDaniel Mack cval->res = 1; 1156f0b5e634SDaniel Mack cval->dBmin = cval->dBmax = 0; 1157f0b5e634SDaniel Mack 1158f0b5e634SDaniel Mack if (cval->val_type == USB_MIXER_BOOLEAN || 1159f0b5e634SDaniel Mack cval->val_type == USB_MIXER_INV_BOOLEAN) { 1160f0b5e634SDaniel Mack cval->initialized = 1; 1161f0b5e634SDaniel Mack } else { 1162f0b5e634SDaniel Mack int minchn = 0; 1163f0b5e634SDaniel Mack if (cval->cmask) { 1164f0b5e634SDaniel Mack int i; 1165f0b5e634SDaniel Mack for (i = 0; i < MAX_CHANNELS; i++) 1166f0b5e634SDaniel Mack if (cval->cmask & (1 << i)) { 1167f0b5e634SDaniel Mack minchn = i + 1; 1168f0b5e634SDaniel Mack break; 1169f0b5e634SDaniel Mack } 1170f0b5e634SDaniel Mack } 1171f0b5e634SDaniel Mack if (get_ctl_value(cval, UAC_GET_MAX, (cval->control << 8) | minchn, &cval->max) < 0 || 1172f0b5e634SDaniel Mack get_ctl_value(cval, UAC_GET_MIN, (cval->control << 8) | minchn, &cval->min) < 0) { 11733360b84bSTakashi Iwai usb_audio_err(cval->head.mixer->chip, 11740ba41d91STakashi Iwai "%d:%d: cannot get min/max values for control %d (id %d)\n", 11753360b84bSTakashi Iwai cval->head.id, snd_usb_ctrl_intf(cval->head.mixer->chip), 11763360b84bSTakashi Iwai cval->control, cval->head.id); 1177f0b5e634SDaniel Mack return -EINVAL; 1178f0b5e634SDaniel Mack } 11796bc170e4SDaniel Mack if (get_ctl_value(cval, UAC_GET_RES, 11806bc170e4SDaniel Mack (cval->control << 8) | minchn, 11816bc170e4SDaniel Mack &cval->res) < 0) { 1182f0b5e634SDaniel Mack cval->res = 1; 1183f0b5e634SDaniel Mack } else { 1184f0b5e634SDaniel Mack int last_valid_res = cval->res; 1185f0b5e634SDaniel Mack 1186f0b5e634SDaniel Mack while (cval->res > 1) { 1187f0b5e634SDaniel Mack if (snd_usb_mixer_set_ctl_value(cval, UAC_SET_RES, 11886bc170e4SDaniel Mack (cval->control << 8) | minchn, 11896bc170e4SDaniel Mack cval->res / 2) < 0) 1190f0b5e634SDaniel Mack break; 1191f0b5e634SDaniel Mack cval->res /= 2; 1192f0b5e634SDaniel Mack } 11936bc170e4SDaniel Mack if (get_ctl_value(cval, UAC_GET_RES, 11946bc170e4SDaniel Mack (cval->control << 8) | minchn, &cval->res) < 0) 1195f0b5e634SDaniel Mack cval->res = last_valid_res; 1196f0b5e634SDaniel Mack } 1197f0b5e634SDaniel Mack if (cval->res == 0) 1198f0b5e634SDaniel Mack cval->res = 1; 1199f0b5e634SDaniel Mack 1200f0b5e634SDaniel Mack /* Additional checks for the proper resolution 1201f0b5e634SDaniel Mack * 1202f0b5e634SDaniel Mack * Some devices report smaller resolutions than actually 1203f0b5e634SDaniel Mack * reacting. They don't return errors but simply clip 1204f0b5e634SDaniel Mack * to the lower aligned value. 1205f0b5e634SDaniel Mack */ 1206f0b5e634SDaniel Mack if (cval->min + cval->res < cval->max) { 1207f0b5e634SDaniel Mack int last_valid_res = cval->res; 1208f0b5e634SDaniel Mack int saved, test, check; 1209f0b5e634SDaniel Mack get_cur_mix_raw(cval, minchn, &saved); 1210f0b5e634SDaniel Mack for (;;) { 1211f0b5e634SDaniel Mack test = saved; 1212f0b5e634SDaniel Mack if (test < cval->max) 1213f0b5e634SDaniel Mack test += cval->res; 1214f0b5e634SDaniel Mack else 1215f0b5e634SDaniel Mack test -= cval->res; 1216f0b5e634SDaniel Mack if (test < cval->min || test > cval->max || 1217eef90451SChris J Arges snd_usb_set_cur_mix_value(cval, minchn, 0, test) || 1218f0b5e634SDaniel Mack get_cur_mix_raw(cval, minchn, &check)) { 1219f0b5e634SDaniel Mack cval->res = last_valid_res; 1220f0b5e634SDaniel Mack break; 1221f0b5e634SDaniel Mack } 1222f0b5e634SDaniel Mack if (test == check) 1223f0b5e634SDaniel Mack break; 1224f0b5e634SDaniel Mack cval->res *= 2; 1225f0b5e634SDaniel Mack } 1226eef90451SChris J Arges snd_usb_set_cur_mix_value(cval, minchn, 0, saved); 1227f0b5e634SDaniel Mack } 1228f0b5e634SDaniel Mack 1229f0b5e634SDaniel Mack cval->initialized = 1; 1230f0b5e634SDaniel Mack } 1231f0b5e634SDaniel Mack 1232dcaaf9f2STakashi Iwai if (kctl) 1233dcaaf9f2STakashi Iwai volume_control_quirks(cval, kctl); 1234dcaaf9f2STakashi Iwai 1235f0b5e634SDaniel Mack /* USB descriptions contain the dB scale in 1/256 dB unit 1236f0b5e634SDaniel Mack * while ALSA TLV contains in 1/100 dB unit 1237f0b5e634SDaniel Mack */ 1238f0b5e634SDaniel Mack cval->dBmin = (convert_signed_value(cval, cval->min) * 100) / 256; 1239f0b5e634SDaniel Mack cval->dBmax = (convert_signed_value(cval, cval->max) * 100) / 256; 1240f0b5e634SDaniel Mack if (cval->dBmin > cval->dBmax) { 1241f0b5e634SDaniel Mack /* something is wrong; assume it's either from/to 0dB */ 1242f0b5e634SDaniel Mack if (cval->dBmin < 0) 1243f0b5e634SDaniel Mack cval->dBmax = 0; 1244f0b5e634SDaniel Mack else if (cval->dBmin > 0) 1245f0b5e634SDaniel Mack cval->dBmin = 0; 1246f0b5e634SDaniel Mack if (cval->dBmin > cval->dBmax) { 1247f0b5e634SDaniel Mack /* totally crap, return an error */ 1248f0b5e634SDaniel Mack return -EINVAL; 1249f0b5e634SDaniel Mack } 1250f0b5e634SDaniel Mack } 1251f0b5e634SDaniel Mack 1252f0b5e634SDaniel Mack return 0; 1253f0b5e634SDaniel Mack } 1254f0b5e634SDaniel Mack 1255dcaaf9f2STakashi Iwai #define get_min_max(cval, def) get_min_max_with_quirks(cval, def, NULL) 1256f0b5e634SDaniel Mack 1257f0b5e634SDaniel Mack /* get a feature/mixer unit info */ 12586bc170e4SDaniel Mack static int mixer_ctl_feature_info(struct snd_kcontrol *kcontrol, 12596bc170e4SDaniel Mack struct snd_ctl_elem_info *uinfo) 1260f0b5e634SDaniel Mack { 1261f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval = kcontrol->private_data; 1262f0b5e634SDaniel Mack 1263f0b5e634SDaniel Mack if (cval->val_type == USB_MIXER_BOOLEAN || 1264f0b5e634SDaniel Mack cval->val_type == USB_MIXER_INV_BOOLEAN) 1265f0b5e634SDaniel Mack uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 1266f0b5e634SDaniel Mack else 1267f0b5e634SDaniel Mack uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 1268f0b5e634SDaniel Mack uinfo->count = cval->channels; 1269f0b5e634SDaniel Mack if (cval->val_type == USB_MIXER_BOOLEAN || 1270f0b5e634SDaniel Mack cval->val_type == USB_MIXER_INV_BOOLEAN) { 1271f0b5e634SDaniel Mack uinfo->value.integer.min = 0; 1272f0b5e634SDaniel Mack uinfo->value.integer.max = 1; 1273f0b5e634SDaniel Mack } else { 12749fcd0ab1STakashi Iwai if (!cval->initialized) { 1275dcaaf9f2STakashi Iwai get_min_max_with_quirks(cval, 0, kcontrol); 12769fcd0ab1STakashi Iwai if (cval->initialized && cval->dBmin >= cval->dBmax) { 12779fcd0ab1STakashi Iwai kcontrol->vd[0].access &= 12789fcd0ab1STakashi Iwai ~(SNDRV_CTL_ELEM_ACCESS_TLV_READ | 12799fcd0ab1STakashi Iwai SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK); 12803360b84bSTakashi Iwai snd_ctl_notify(cval->head.mixer->chip->card, 12819fcd0ab1STakashi Iwai SNDRV_CTL_EVENT_MASK_INFO, 12829fcd0ab1STakashi Iwai &kcontrol->id); 12839fcd0ab1STakashi Iwai } 12849fcd0ab1STakashi Iwai } 1285f0b5e634SDaniel Mack uinfo->value.integer.min = 0; 1286f0b5e634SDaniel Mack uinfo->value.integer.max = 1287f0b5e634SDaniel Mack (cval->max - cval->min + cval->res - 1) / cval->res; 1288f0b5e634SDaniel Mack } 1289f0b5e634SDaniel Mack return 0; 1290f0b5e634SDaniel Mack } 1291f0b5e634SDaniel Mack 1292f0b5e634SDaniel Mack /* get the current value from feature/mixer unit */ 12936bc170e4SDaniel Mack static int mixer_ctl_feature_get(struct snd_kcontrol *kcontrol, 12946bc170e4SDaniel Mack struct snd_ctl_elem_value *ucontrol) 1295f0b5e634SDaniel Mack { 1296f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval = kcontrol->private_data; 1297f0b5e634SDaniel Mack int c, cnt, val, err; 1298f0b5e634SDaniel Mack 1299f0b5e634SDaniel Mack ucontrol->value.integer.value[0] = cval->min; 1300f0b5e634SDaniel Mack if (cval->cmask) { 1301f0b5e634SDaniel Mack cnt = 0; 1302f0b5e634SDaniel Mack for (c = 0; c < MAX_CHANNELS; c++) { 1303f0b5e634SDaniel Mack if (!(cval->cmask & (1 << c))) 1304f0b5e634SDaniel Mack continue; 1305eef90451SChris J Arges err = snd_usb_get_cur_mix_value(cval, c + 1, cnt, &val); 1306f0b5e634SDaniel Mack if (err < 0) 13075aeee342STakashi Iwai return filter_error(cval, err); 1308f0b5e634SDaniel Mack val = get_relative_value(cval, val); 1309f0b5e634SDaniel Mack ucontrol->value.integer.value[cnt] = val; 1310f0b5e634SDaniel Mack cnt++; 1311f0b5e634SDaniel Mack } 1312f0b5e634SDaniel Mack return 0; 1313f0b5e634SDaniel Mack } else { 1314f0b5e634SDaniel Mack /* master channel */ 1315eef90451SChris J Arges err = snd_usb_get_cur_mix_value(cval, 0, 0, &val); 1316f0b5e634SDaniel Mack if (err < 0) 13175aeee342STakashi Iwai return filter_error(cval, err); 1318f0b5e634SDaniel Mack val = get_relative_value(cval, val); 1319f0b5e634SDaniel Mack ucontrol->value.integer.value[0] = val; 1320f0b5e634SDaniel Mack } 1321f0b5e634SDaniel Mack return 0; 1322f0b5e634SDaniel Mack } 1323f0b5e634SDaniel Mack 1324f0b5e634SDaniel Mack /* put the current value to feature/mixer unit */ 13256bc170e4SDaniel Mack static int mixer_ctl_feature_put(struct snd_kcontrol *kcontrol, 13266bc170e4SDaniel Mack struct snd_ctl_elem_value *ucontrol) 1327f0b5e634SDaniel Mack { 1328f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval = kcontrol->private_data; 1329f0b5e634SDaniel Mack int c, cnt, val, oval, err; 1330f0b5e634SDaniel Mack int changed = 0; 1331f0b5e634SDaniel Mack 1332f0b5e634SDaniel Mack if (cval->cmask) { 1333f0b5e634SDaniel Mack cnt = 0; 1334f0b5e634SDaniel Mack for (c = 0; c < MAX_CHANNELS; c++) { 1335f0b5e634SDaniel Mack if (!(cval->cmask & (1 << c))) 1336f0b5e634SDaniel Mack continue; 1337eef90451SChris J Arges err = snd_usb_get_cur_mix_value(cval, c + 1, cnt, &oval); 1338f0b5e634SDaniel Mack if (err < 0) 13395aeee342STakashi Iwai return filter_error(cval, err); 1340f0b5e634SDaniel Mack val = ucontrol->value.integer.value[cnt]; 1341f0b5e634SDaniel Mack val = get_abs_value(cval, val); 1342f0b5e634SDaniel Mack if (oval != val) { 1343eef90451SChris J Arges snd_usb_set_cur_mix_value(cval, c + 1, cnt, val); 1344f0b5e634SDaniel Mack changed = 1; 1345f0b5e634SDaniel Mack } 1346f0b5e634SDaniel Mack cnt++; 1347f0b5e634SDaniel Mack } 1348f0b5e634SDaniel Mack } else { 1349f0b5e634SDaniel Mack /* master channel */ 1350eef90451SChris J Arges err = snd_usb_get_cur_mix_value(cval, 0, 0, &oval); 1351f0b5e634SDaniel Mack if (err < 0) 13525aeee342STakashi Iwai return filter_error(cval, err); 1353f0b5e634SDaniel Mack val = ucontrol->value.integer.value[0]; 1354f0b5e634SDaniel Mack val = get_abs_value(cval, val); 1355f0b5e634SDaniel Mack if (val != oval) { 1356eef90451SChris J Arges snd_usb_set_cur_mix_value(cval, 0, 0, val); 1357f0b5e634SDaniel Mack changed = 1; 1358f0b5e634SDaniel Mack } 1359f0b5e634SDaniel Mack } 1360f0b5e634SDaniel Mack return changed; 1361f0b5e634SDaniel Mack } 1362f0b5e634SDaniel Mack 1363568fa7e0SAndrew Chant /* get the boolean value from the master channel of a UAC control */ 1364568fa7e0SAndrew Chant static int mixer_ctl_master_bool_get(struct snd_kcontrol *kcontrol, 13655a222e84SAndrew Chant struct snd_ctl_elem_value *ucontrol) 13665a222e84SAndrew Chant { 13675a222e84SAndrew Chant struct usb_mixer_elem_info *cval = kcontrol->private_data; 13685a222e84SAndrew Chant int val, err; 13695a222e84SAndrew Chant 13705a222e84SAndrew Chant err = snd_usb_get_cur_mix_value(cval, 0, 0, &val); 13715a222e84SAndrew Chant if (err < 0) 13725a222e84SAndrew Chant return filter_error(cval, err); 13735a222e84SAndrew Chant val = (val != 0); 13745a222e84SAndrew Chant ucontrol->value.integer.value[0] = val; 13755a222e84SAndrew Chant return 0; 13765a222e84SAndrew Chant } 13775a222e84SAndrew Chant 13781d38f5d8SJorge Sanjuan /* get the connectors status and report it as boolean type */ 13791d38f5d8SJorge Sanjuan static int mixer_ctl_connector_get(struct snd_kcontrol *kcontrol, 13801d38f5d8SJorge Sanjuan struct snd_ctl_elem_value *ucontrol) 13811d38f5d8SJorge Sanjuan { 13821d38f5d8SJorge Sanjuan struct usb_mixer_elem_info *cval = kcontrol->private_data; 13831d38f5d8SJorge Sanjuan struct snd_usb_audio *chip = cval->head.mixer->chip; 13841d38f5d8SJorge Sanjuan int idx = 0, validx, ret, val; 13851d38f5d8SJorge Sanjuan 13861d38f5d8SJorge Sanjuan validx = cval->control << 8 | 0; 13871d38f5d8SJorge Sanjuan 13881d38f5d8SJorge Sanjuan ret = snd_usb_lock_shutdown(chip) ? -EIO : 0; 13891d38f5d8SJorge Sanjuan if (ret) 13901d38f5d8SJorge Sanjuan goto error; 13911d38f5d8SJorge Sanjuan 13921d38f5d8SJorge Sanjuan idx = snd_usb_ctrl_intf(chip) | (cval->head.id << 8); 13931d38f5d8SJorge Sanjuan if (cval->head.mixer->protocol == UAC_VERSION_2) { 13941d38f5d8SJorge Sanjuan struct uac2_connectors_ctl_blk uac2_conn; 13951d38f5d8SJorge Sanjuan 13961d38f5d8SJorge Sanjuan ret = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), UAC2_CS_CUR, 13971d38f5d8SJorge Sanjuan USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, 13981d38f5d8SJorge Sanjuan validx, idx, &uac2_conn, sizeof(uac2_conn)); 13991d38f5d8SJorge Sanjuan val = !!uac2_conn.bNrChannels; 14001d38f5d8SJorge Sanjuan } else { /* UAC_VERSION_3 */ 14011d38f5d8SJorge Sanjuan struct uac3_insertion_ctl_blk uac3_conn; 14021d38f5d8SJorge Sanjuan 14031d38f5d8SJorge Sanjuan ret = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), UAC2_CS_CUR, 14041d38f5d8SJorge Sanjuan USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, 14051d38f5d8SJorge Sanjuan validx, idx, &uac3_conn, sizeof(uac3_conn)); 14061d38f5d8SJorge Sanjuan val = !!uac3_conn.bmConInserted; 14071d38f5d8SJorge Sanjuan } 14081d38f5d8SJorge Sanjuan 14091d38f5d8SJorge Sanjuan snd_usb_unlock_shutdown(chip); 14101d38f5d8SJorge Sanjuan 14111d38f5d8SJorge Sanjuan if (ret < 0) { 14121d38f5d8SJorge Sanjuan error: 14131d38f5d8SJorge Sanjuan usb_audio_err(chip, 14141d38f5d8SJorge Sanjuan "cannot get connectors status: req = %#x, wValue = %#x, wIndex = %#x, type = %d\n", 14151d38f5d8SJorge Sanjuan UAC_GET_CUR, validx, idx, cval->val_type); 14161d38f5d8SJorge Sanjuan return ret; 14171d38f5d8SJorge Sanjuan } 14181d38f5d8SJorge Sanjuan 14191d38f5d8SJorge Sanjuan ucontrol->value.integer.value[0] = val; 14201d38f5d8SJorge Sanjuan return 0; 14211d38f5d8SJorge Sanjuan } 14221d38f5d8SJorge Sanjuan 1423f0b5e634SDaniel Mack static struct snd_kcontrol_new usb_feature_unit_ctl = { 1424f0b5e634SDaniel Mack .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1425f0b5e634SDaniel Mack .name = "", /* will be filled later manually */ 1426f0b5e634SDaniel Mack .info = mixer_ctl_feature_info, 1427f0b5e634SDaniel Mack .get = mixer_ctl_feature_get, 1428f0b5e634SDaniel Mack .put = mixer_ctl_feature_put, 1429f0b5e634SDaniel Mack }; 1430f0b5e634SDaniel Mack 143123caaf19SDaniel Mack /* the read-only variant */ 14328fdaebbbSBhumika Goyal static const struct snd_kcontrol_new usb_feature_unit_ctl_ro = { 143323caaf19SDaniel Mack .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 143423caaf19SDaniel Mack .name = "", /* will be filled later manually */ 143523caaf19SDaniel Mack .info = mixer_ctl_feature_info, 143623caaf19SDaniel Mack .get = mixer_ctl_feature_get, 143723caaf19SDaniel Mack .put = NULL, 143823caaf19SDaniel Mack }; 143923caaf19SDaniel Mack 1440568fa7e0SAndrew Chant /* 1441568fa7e0SAndrew Chant * A control which shows the boolean value from reading a UAC control on 1442568fa7e0SAndrew Chant * the master channel. 1443568fa7e0SAndrew Chant */ 1444568fa7e0SAndrew Chant static struct snd_kcontrol_new usb_bool_master_control_ctl_ro = { 14455a222e84SAndrew Chant .iface = SNDRV_CTL_ELEM_IFACE_CARD, 14465a222e84SAndrew Chant .name = "", /* will be filled later manually */ 14475a222e84SAndrew Chant .access = SNDRV_CTL_ELEM_ACCESS_READ, 14485a222e84SAndrew Chant .info = snd_ctl_boolean_mono_info, 1449568fa7e0SAndrew Chant .get = mixer_ctl_master_bool_get, 14505a222e84SAndrew Chant .put = NULL, 14515a222e84SAndrew Chant }; 14525a222e84SAndrew Chant 14531d38f5d8SJorge Sanjuan static const struct snd_kcontrol_new usb_connector_ctl_ro = { 14541d38f5d8SJorge Sanjuan .iface = SNDRV_CTL_ELEM_IFACE_CARD, 14551d38f5d8SJorge Sanjuan .name = "", /* will be filled later manually */ 14561d38f5d8SJorge Sanjuan .access = SNDRV_CTL_ELEM_ACCESS_READ, 14571d38f5d8SJorge Sanjuan .info = snd_ctl_boolean_mono_info, 14581d38f5d8SJorge Sanjuan .get = mixer_ctl_connector_get, 14591d38f5d8SJorge Sanjuan .put = NULL, 14601d38f5d8SJorge Sanjuan }; 14611d38f5d8SJorge Sanjuan 14626bc170e4SDaniel Mack /* 14636bc170e4SDaniel Mack * This symbol is exported in order to allow the mixer quirks to 14646bc170e4SDaniel Mack * hook up to the standard feature unit control mechanism 14656bc170e4SDaniel Mack */ 14669e38658fSDaniel Mack struct snd_kcontrol_new *snd_usb_feature_unit_ctl = &usb_feature_unit_ctl; 1467f0b5e634SDaniel Mack 1468f0b5e634SDaniel Mack /* 1469f0b5e634SDaniel Mack * build a feature control 1470f0b5e634SDaniel Mack */ 1471f0b5e634SDaniel Mack static size_t append_ctl_name(struct snd_kcontrol *kctl, const char *str) 1472f0b5e634SDaniel Mack { 1473f0b5e634SDaniel Mack return strlcat(kctl->id.name, str, sizeof(kctl->id.name)); 1474f0b5e634SDaniel Mack } 1475f0b5e634SDaniel Mack 14766bc170e4SDaniel Mack /* 14776bc170e4SDaniel Mack * A lot of headsets/headphones have a "Speaker" mixer. Make sure we 14786bc170e4SDaniel Mack * rename it to "Headphone". We determine if something is a headphone 14796bc170e4SDaniel Mack * similar to how udev determines form factor. 14806bc170e4SDaniel Mack */ 14819b4ef977SDavid Henningsson static void check_no_speaker_on_headset(struct snd_kcontrol *kctl, 14829b4ef977SDavid Henningsson struct snd_card *card) 14839b4ef977SDavid Henningsson { 14849b4ef977SDavid Henningsson const char *names_to_check[] = { 14859b4ef977SDavid Henningsson "Headset", "headset", "Headphone", "headphone", NULL}; 14869b4ef977SDavid Henningsson const char **s; 1487e0f17c75SPeter Senna Tschudin bool found = false; 14889b4ef977SDavid Henningsson 14899b4ef977SDavid Henningsson if (strcmp("Speaker", kctl->id.name)) 14909b4ef977SDavid Henningsson return; 14919b4ef977SDavid Henningsson 14929b4ef977SDavid Henningsson for (s = names_to_check; *s; s++) 14939b4ef977SDavid Henningsson if (strstr(card->shortname, *s)) { 1494e0f17c75SPeter Senna Tschudin found = true; 14959b4ef977SDavid Henningsson break; 14969b4ef977SDavid Henningsson } 14979b4ef977SDavid Henningsson 14989b4ef977SDavid Henningsson if (!found) 14999b4ef977SDavid Henningsson return; 15009b4ef977SDavid Henningsson 15019b4ef977SDavid Henningsson strlcpy(kctl->id.name, "Headphone", sizeof(kctl->id.name)); 15029b4ef977SDavid Henningsson } 15039b4ef977SDavid Henningsson 150421e9b3e9SAndrew Chant static struct usb_feature_control_info *get_feature_control_info(int control) 150521e9b3e9SAndrew Chant { 150621e9b3e9SAndrew Chant int i; 150721e9b3e9SAndrew Chant 150821e9b3e9SAndrew Chant for (i = 0; i < ARRAY_SIZE(audio_feature_info); ++i) { 150921e9b3e9SAndrew Chant if (audio_feature_info[i].control == control) 151021e9b3e9SAndrew Chant return &audio_feature_info[i]; 151121e9b3e9SAndrew Chant } 151221e9b3e9SAndrew Chant return NULL; 151321e9b3e9SAndrew Chant } 151421e9b3e9SAndrew Chant 151517156f23SRuslan Bilovol static void __build_feature_ctl(struct usb_mixer_interface *mixer, 151617156f23SRuslan Bilovol const struct usbmix_name_map *imap, 1517f0b5e634SDaniel Mack unsigned int ctl_mask, int control, 151817156f23SRuslan Bilovol struct usb_audio_term *iterm, 151917156f23SRuslan Bilovol struct usb_audio_term *oterm, 152017156f23SRuslan Bilovol int unitid, int nameid, int readonly_mask) 1521f0b5e634SDaniel Mack { 1522bc18e31cSJulian Scheel struct usb_feature_control_info *ctl_info; 1523f0b5e634SDaniel Mack unsigned int len = 0; 1524f0b5e634SDaniel Mack int mapped_name = 0; 1525f0b5e634SDaniel Mack struct snd_kcontrol *kctl; 1526f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval; 1527f0b5e634SDaniel Mack const struct usbmix_name_map *map; 152880acefffSAlexey Fisher unsigned int range; 1529f0b5e634SDaniel Mack 153065f25da4SDaniel Mack if (control == UAC_FU_GRAPHIC_EQUALIZER) { 1531f0b5e634SDaniel Mack /* FIXME: not supported yet */ 1532f0b5e634SDaniel Mack return; 1533f0b5e634SDaniel Mack } 1534f0b5e634SDaniel Mack 153517156f23SRuslan Bilovol map = find_map(imap, unitid, control); 1536f0b5e634SDaniel Mack if (check_ignored_ctl(map)) 1537f0b5e634SDaniel Mack return; 1538f0b5e634SDaniel Mack 1539f0b5e634SDaniel Mack cval = kzalloc(sizeof(*cval), GFP_KERNEL); 1540a860d95fSDaniel Mack if (!cval) 1541f0b5e634SDaniel Mack return; 154217156f23SRuslan Bilovol snd_usb_mixer_elem_init_std(&cval->head, mixer, unitid); 1543f0b5e634SDaniel Mack cval->control = control; 1544f0b5e634SDaniel Mack cval->cmask = ctl_mask; 154521e9b3e9SAndrew Chant 154621e9b3e9SAndrew Chant ctl_info = get_feature_control_info(control); 154762376025SColin Ian King if (!ctl_info) { 154862376025SColin Ian King kfree(cval); 154921e9b3e9SAndrew Chant return; 155062376025SColin Ian King } 155117156f23SRuslan Bilovol if (mixer->protocol == UAC_VERSION_1) 1552bc18e31cSJulian Scheel cval->val_type = ctl_info->type; 1553bc18e31cSJulian Scheel else /* UAC_VERSION_2 */ 1554bc18e31cSJulian Scheel cval->val_type = ctl_info->type_uac2 >= 0 ? 1555bc18e31cSJulian Scheel ctl_info->type_uac2 : ctl_info->type; 1556bc18e31cSJulian Scheel 1557a6a33259SDaniel Mack if (ctl_mask == 0) { 1558f0b5e634SDaniel Mack cval->channels = 1; /* master channel */ 1559a6a33259SDaniel Mack cval->master_readonly = readonly_mask; 1560a6a33259SDaniel Mack } else { 1561f0b5e634SDaniel Mack int i, c = 0; 1562f0b5e634SDaniel Mack for (i = 0; i < 16; i++) 1563f0b5e634SDaniel Mack if (ctl_mask & (1 << i)) 1564f0b5e634SDaniel Mack c++; 1565f0b5e634SDaniel Mack cval->channels = c; 1566a6a33259SDaniel Mack cval->ch_readonly = readonly_mask; 1567f0b5e634SDaniel Mack } 1568f0b5e634SDaniel Mack 15696bc170e4SDaniel Mack /* 15706bc170e4SDaniel Mack * If all channels in the mask are marked read-only, make the control 1571eef90451SChris J Arges * read-only. snd_usb_set_cur_mix_value() will check the mask again and won't 15726bc170e4SDaniel Mack * issue write commands to read-only channels. 15736bc170e4SDaniel Mack */ 1574a6a33259SDaniel Mack if (cval->channels == readonly_mask) 157523caaf19SDaniel Mack kctl = snd_ctl_new1(&usb_feature_unit_ctl_ro, cval); 157623caaf19SDaniel Mack else 1577f0b5e634SDaniel Mack kctl = snd_ctl_new1(&usb_feature_unit_ctl, cval); 157823caaf19SDaniel Mack 1579f0b5e634SDaniel Mack if (!kctl) { 158017156f23SRuslan Bilovol usb_audio_err(mixer->chip, "cannot malloc kcontrol\n"); 1581f0b5e634SDaniel Mack kfree(cval); 1582f0b5e634SDaniel Mack return; 1583f0b5e634SDaniel Mack } 1584eef90451SChris J Arges kctl->private_free = snd_usb_mixer_elem_free; 1585f0b5e634SDaniel Mack 1586f0b5e634SDaniel Mack len = check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name)); 1587f0b5e634SDaniel Mack mapped_name = len != 0; 1588f0b5e634SDaniel Mack if (!len && nameid) 158917156f23SRuslan Bilovol len = snd_usb_copy_string_desc(mixer->chip, nameid, 1590f0b5e634SDaniel Mack kctl->id.name, sizeof(kctl->id.name)); 1591f0b5e634SDaniel Mack 1592f0b5e634SDaniel Mack switch (control) { 159365f25da4SDaniel Mack case UAC_FU_MUTE: 159465f25da4SDaniel Mack case UAC_FU_VOLUME: 15956bc170e4SDaniel Mack /* 15966bc170e4SDaniel Mack * determine the control name. the rule is: 1597f0b5e634SDaniel Mack * - if a name id is given in descriptor, use it. 1598f0b5e634SDaniel Mack * - if the connected input can be determined, then use the name 1599f0b5e634SDaniel Mack * of terminal type. 1600f0b5e634SDaniel Mack * - if the connected output can be determined, use it. 1601f0b5e634SDaniel Mack * - otherwise, anonymous name. 1602f0b5e634SDaniel Mack */ 1603f0b5e634SDaniel Mack if (!len) { 160417156f23SRuslan Bilovol if (iterm) 160517156f23SRuslan Bilovol len = get_term_name(mixer->chip, iterm, 160617156f23SRuslan Bilovol kctl->id.name, 16076bc170e4SDaniel Mack sizeof(kctl->id.name), 1); 160817156f23SRuslan Bilovol if (!len && oterm) 160917156f23SRuslan Bilovol len = get_term_name(mixer->chip, oterm, 16106bc170e4SDaniel Mack kctl->id.name, 16116bc170e4SDaniel Mack sizeof(kctl->id.name), 1); 1612f0b5e634SDaniel Mack if (!len) 161349fd46d2SDaniel Mack snprintf(kctl->id.name, sizeof(kctl->id.name), 1614f0b5e634SDaniel Mack "Feature %d", unitid); 1615f0b5e634SDaniel Mack } 16169b4ef977SDavid Henningsson 16179b4ef977SDavid Henningsson if (!mapped_name) 161817156f23SRuslan Bilovol check_no_speaker_on_headset(kctl, mixer->chip->card); 16199b4ef977SDavid Henningsson 16206bc170e4SDaniel Mack /* 16216bc170e4SDaniel Mack * determine the stream direction: 1622f0b5e634SDaniel Mack * if the connected output is USB stream, then it's likely a 1623f0b5e634SDaniel Mack * capture stream. otherwise it should be playback (hopefully :) 1624f0b5e634SDaniel Mack */ 162517156f23SRuslan Bilovol if (!mapped_name && oterm && !(oterm->type >> 16)) { 162617156f23SRuslan Bilovol if ((oterm->type & 0xff00) == 0x0100) 162749fd46d2SDaniel Mack append_ctl_name(kctl, " Capture"); 16286bc170e4SDaniel Mack else 162949fd46d2SDaniel Mack append_ctl_name(kctl, " Playback"); 1630f0b5e634SDaniel Mack } 163165f25da4SDaniel Mack append_ctl_name(kctl, control == UAC_FU_MUTE ? 1632f0b5e634SDaniel Mack " Switch" : " Volume"); 1633e182534dSTakashi Iwai break; 1634e182534dSTakashi Iwai default: 1635e182534dSTakashi Iwai if (!len) 1636e182534dSTakashi Iwai strlcpy(kctl->id.name, audio_feature_info[control-1].name, 1637e182534dSTakashi Iwai sizeof(kctl->id.name)); 1638e182534dSTakashi Iwai break; 1639e182534dSTakashi Iwai } 1640e182534dSTakashi Iwai 1641e182534dSTakashi Iwai /* get min/max values */ 1642e182534dSTakashi Iwai get_min_max_with_quirks(cval, 0, kctl); 1643e182534dSTakashi Iwai 164465f25da4SDaniel Mack if (control == UAC_FU_VOLUME) { 164559bb7f0eSTakashi Iwai check_mapped_dB(map, cval); 164638b65190STakashi Iwai if (cval->dBmin < cval->dBmax || !cval->initialized) { 1647285de9c0SFelix Homann kctl->tlv.c = snd_usb_mixer_vol_tlv; 1648f0b5e634SDaniel Mack kctl->vd[0].access |= 1649f0b5e634SDaniel Mack SNDRV_CTL_ELEM_ACCESS_TLV_READ | 1650f0b5e634SDaniel Mack SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK; 165159bb7f0eSTakashi Iwai } 1652f0b5e634SDaniel Mack } 1653f0b5e634SDaniel Mack 165417156f23SRuslan Bilovol snd_usb_mixer_fu_apply_quirk(mixer, cval, unitid, kctl); 165542e3121dSAnssi Hannula 165680acefffSAlexey Fisher range = (cval->max - cval->min) / cval->res; 16576bc170e4SDaniel Mack /* 16586bc170e4SDaniel Mack * Are there devices with volume range more than 255? I use a bit more 165980acefffSAlexey Fisher * to be sure. 384 is a resolution magic number found on Logitech 166080acefffSAlexey Fisher * devices. It will definitively catch all buggy Logitech devices. 166180acefffSAlexey Fisher */ 166280acefffSAlexey Fisher if (range > 384) { 166317156f23SRuslan Bilovol usb_audio_warn(mixer->chip, 166482c1cf0aSMichał Mirosław "Warning! Unlikely big volume range (=%u), cval->res is probably wrong.", 166580acefffSAlexey Fisher range); 166617156f23SRuslan Bilovol usb_audio_warn(mixer->chip, 166782c1cf0aSMichał Mirosław "[%d] FU [%s] ch = %d, val = %d/%d/%d", 16683360b84bSTakashi Iwai cval->head.id, kctl->id.name, cval->channels, 166980acefffSAlexey Fisher cval->min, cval->max, cval->res); 167080acefffSAlexey Fisher } 167180acefffSAlexey Fisher 167217156f23SRuslan Bilovol usb_audio_dbg(mixer->chip, "[%d] FU [%s] ch = %d, val = %d/%d/%d\n", 16733360b84bSTakashi Iwai cval->head.id, kctl->id.name, cval->channels, 16746bc170e4SDaniel Mack cval->min, cval->max, cval->res); 16753360b84bSTakashi Iwai snd_usb_mixer_add_control(&cval->head, kctl); 1676f0b5e634SDaniel Mack } 1677f0b5e634SDaniel Mack 167817156f23SRuslan Bilovol static void build_feature_ctl(struct mixer_build *state, void *raw_desc, 167917156f23SRuslan Bilovol unsigned int ctl_mask, int control, 168017156f23SRuslan Bilovol struct usb_audio_term *iterm, int unitid, 168117156f23SRuslan Bilovol int readonly_mask) 168217156f23SRuslan Bilovol { 168317156f23SRuslan Bilovol struct uac_feature_unit_descriptor *desc = raw_desc; 168417156f23SRuslan Bilovol int nameid = uac_feature_unit_iFeature(desc); 168517156f23SRuslan Bilovol 168617156f23SRuslan Bilovol __build_feature_ctl(state->mixer, state->map, ctl_mask, control, 168717156f23SRuslan Bilovol iterm, &state->oterm, unitid, nameid, readonly_mask); 168817156f23SRuslan Bilovol } 168917156f23SRuslan Bilovol 169017156f23SRuslan Bilovol static void build_feature_ctl_badd(struct usb_mixer_interface *mixer, 169117156f23SRuslan Bilovol unsigned int ctl_mask, int control, int unitid, 169217156f23SRuslan Bilovol const struct usbmix_name_map *badd_map) 169317156f23SRuslan Bilovol { 169417156f23SRuslan Bilovol __build_feature_ctl(mixer, badd_map, ctl_mask, control, 169517156f23SRuslan Bilovol NULL, NULL, unitid, 0, 0); 169617156f23SRuslan Bilovol } 169717156f23SRuslan Bilovol 1698167e1fb1SJorge Sanjuan static void get_connector_control_name(struct usb_mixer_interface *mixer, 16995a222e84SAndrew Chant struct usb_audio_term *term, 17005a222e84SAndrew Chant bool is_input, char *name, int name_size) 17015a222e84SAndrew Chant { 1702167e1fb1SJorge Sanjuan int name_len = get_term_name(mixer->chip, term, name, name_size, 0); 17035a222e84SAndrew Chant 17045a222e84SAndrew Chant if (name_len == 0) 17055a222e84SAndrew Chant strlcpy(name, "Unknown", name_size); 17065a222e84SAndrew Chant 17075a222e84SAndrew Chant /* 17085a222e84SAndrew Chant * sound/core/ctljack.c has a convention of naming jack controls 17095a222e84SAndrew Chant * by ending in " Jack". Make it slightly more useful by 17105a222e84SAndrew Chant * indicating Input or Output after the terminal name. 17115a222e84SAndrew Chant */ 17125a222e84SAndrew Chant if (is_input) 17135a222e84SAndrew Chant strlcat(name, " - Input Jack", name_size); 17145a222e84SAndrew Chant else 17155a222e84SAndrew Chant strlcat(name, " - Output Jack", name_size); 17165a222e84SAndrew Chant } 17175a222e84SAndrew Chant 17185a222e84SAndrew Chant /* Build a mixer control for a UAC connector control (jack-detect) */ 1719167e1fb1SJorge Sanjuan static void build_connector_control(struct usb_mixer_interface *mixer, 17205a222e84SAndrew Chant struct usb_audio_term *term, bool is_input) 17215a222e84SAndrew Chant { 17225a222e84SAndrew Chant struct snd_kcontrol *kctl; 17235a222e84SAndrew Chant struct usb_mixer_elem_info *cval; 17245a222e84SAndrew Chant 17255a222e84SAndrew Chant cval = kzalloc(sizeof(*cval), GFP_KERNEL); 17265a222e84SAndrew Chant if (!cval) 17275a222e84SAndrew Chant return; 1728167e1fb1SJorge Sanjuan snd_usb_mixer_elem_init_std(&cval->head, mixer, term->id); 1729568fa7e0SAndrew Chant /* 17301d38f5d8SJorge Sanjuan * UAC2: The first byte from reading the UAC2_TE_CONNECTOR control returns the 17311d38f5d8SJorge Sanjuan * number of channels connected. 17321d38f5d8SJorge Sanjuan * 17331d38f5d8SJorge Sanjuan * UAC3: The first byte specifies size of bitmap for the inserted controls. The 17341d38f5d8SJorge Sanjuan * following byte(s) specifies which connectors are inserted. 17351d38f5d8SJorge Sanjuan * 17361d38f5d8SJorge Sanjuan * This boolean ctl will simply report if any channels are connected 17371d38f5d8SJorge Sanjuan * or not. 1738568fa7e0SAndrew Chant */ 1739167e1fb1SJorge Sanjuan if (mixer->protocol == UAC_VERSION_2) 17405a222e84SAndrew Chant cval->control = UAC2_TE_CONNECTOR; 17411d38f5d8SJorge Sanjuan else /* UAC_VERSION_3 */ 17421d38f5d8SJorge Sanjuan cval->control = UAC3_TE_INSERTION; 17431d38f5d8SJorge Sanjuan 17445a222e84SAndrew Chant cval->val_type = USB_MIXER_BOOLEAN; 17455a222e84SAndrew Chant cval->channels = 1; /* report true if any channel is connected */ 17465a222e84SAndrew Chant cval->min = 0; 17475a222e84SAndrew Chant cval->max = 1; 17481d38f5d8SJorge Sanjuan kctl = snd_ctl_new1(&usb_connector_ctl_ro, cval); 17495a222e84SAndrew Chant if (!kctl) { 1750167e1fb1SJorge Sanjuan usb_audio_err(mixer->chip, "cannot malloc kcontrol\n"); 17515a222e84SAndrew Chant kfree(cval); 17525a222e84SAndrew Chant return; 17535a222e84SAndrew Chant } 1754167e1fb1SJorge Sanjuan get_connector_control_name(mixer, term, is_input, kctl->id.name, 17555a222e84SAndrew Chant sizeof(kctl->id.name)); 17565a222e84SAndrew Chant kctl->private_free = snd_usb_mixer_elem_free; 17575a222e84SAndrew Chant snd_usb_mixer_add_control(&cval->head, kctl); 17585a222e84SAndrew Chant } 17595a222e84SAndrew Chant 1760cddaafb9SDaniel Mack static int parse_clock_source_unit(struct mixer_build *state, int unitid, 1761cddaafb9SDaniel Mack void *_ftr) 1762cddaafb9SDaniel Mack { 1763cddaafb9SDaniel Mack struct uac_clock_source_descriptor *hdr = _ftr; 1764cddaafb9SDaniel Mack struct usb_mixer_elem_info *cval; 1765cddaafb9SDaniel Mack struct snd_kcontrol *kctl; 1766cddaafb9SDaniel Mack char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 1767cddaafb9SDaniel Mack int ret; 1768cddaafb9SDaniel Mack 1769cddaafb9SDaniel Mack if (state->mixer->protocol != UAC_VERSION_2) 1770cddaafb9SDaniel Mack return -EINVAL; 1771cddaafb9SDaniel Mack 1772cddaafb9SDaniel Mack if (hdr->bLength != sizeof(*hdr)) { 1773cddaafb9SDaniel Mack usb_audio_dbg(state->chip, 1774cddaafb9SDaniel Mack "Bogus clock source descriptor length of %d, ignoring.\n", 1775cddaafb9SDaniel Mack hdr->bLength); 1776cddaafb9SDaniel Mack return 0; 1777cddaafb9SDaniel Mack } 1778cddaafb9SDaniel Mack 1779cddaafb9SDaniel Mack /* 1780cddaafb9SDaniel Mack * The only property of this unit we are interested in is the 1781cddaafb9SDaniel Mack * clock source validity. If that isn't readable, just bail out. 1782cddaafb9SDaniel Mack */ 17839a2fe9b8SRuslan Bilovol if (!uac_v2v3_control_is_readable(hdr->bmControls, 178421e9b3e9SAndrew Chant UAC2_CS_CONTROL_CLOCK_VALID)) 1785cddaafb9SDaniel Mack return 0; 1786cddaafb9SDaniel Mack 1787cddaafb9SDaniel Mack cval = kzalloc(sizeof(*cval), GFP_KERNEL); 1788cddaafb9SDaniel Mack if (!cval) 1789cddaafb9SDaniel Mack return -ENOMEM; 1790cddaafb9SDaniel Mack 1791cddaafb9SDaniel Mack snd_usb_mixer_elem_init_std(&cval->head, state->mixer, hdr->bClockID); 1792cddaafb9SDaniel Mack 1793cddaafb9SDaniel Mack cval->min = 0; 1794cddaafb9SDaniel Mack cval->max = 1; 1795cddaafb9SDaniel Mack cval->channels = 1; 1796cddaafb9SDaniel Mack cval->val_type = USB_MIXER_BOOLEAN; 1797cddaafb9SDaniel Mack cval->control = UAC2_CS_CONTROL_CLOCK_VALID; 1798cddaafb9SDaniel Mack 1799cddaafb9SDaniel Mack cval->master_readonly = 1; 1800568fa7e0SAndrew Chant /* From UAC2 5.2.5.1.2 "Only the get request is supported." */ 1801568fa7e0SAndrew Chant kctl = snd_ctl_new1(&usb_bool_master_control_ctl_ro, cval); 1802cddaafb9SDaniel Mack 1803cddaafb9SDaniel Mack if (!kctl) { 1804cddaafb9SDaniel Mack kfree(cval); 1805cddaafb9SDaniel Mack return -ENOMEM; 1806cddaafb9SDaniel Mack } 1807cddaafb9SDaniel Mack 1808cddaafb9SDaniel Mack kctl->private_free = snd_usb_mixer_elem_free; 1809eccfc1b8SRuslan Bilovol ret = snd_usb_copy_string_desc(state->chip, hdr->iClockSource, 1810cddaafb9SDaniel Mack name, sizeof(name)); 1811cddaafb9SDaniel Mack if (ret > 0) 1812cddaafb9SDaniel Mack snprintf(kctl->id.name, sizeof(kctl->id.name), 1813cddaafb9SDaniel Mack "%s Validity", name); 1814cddaafb9SDaniel Mack else 1815cddaafb9SDaniel Mack snprintf(kctl->id.name, sizeof(kctl->id.name), 1816cddaafb9SDaniel Mack "Clock Source %d Validity", hdr->bClockID); 1817cddaafb9SDaniel Mack 1818cddaafb9SDaniel Mack return snd_usb_mixer_add_control(&cval->head, kctl); 1819cddaafb9SDaniel Mack } 1820cddaafb9SDaniel Mack 1821f0b5e634SDaniel Mack /* 1822f0b5e634SDaniel Mack * parse a feature unit 1823f0b5e634SDaniel Mack * 182425985edcSLucas De Marchi * most of controls are defined here. 1825f0b5e634SDaniel Mack */ 18266bc170e4SDaniel Mack static int parse_audio_feature_unit(struct mixer_build *state, int unitid, 18276bc170e4SDaniel Mack void *_ftr) 1828f0b5e634SDaniel Mack { 1829f0b5e634SDaniel Mack int channels, i, j; 1830f0b5e634SDaniel Mack struct usb_audio_term iterm; 1831f0b5e634SDaniel Mack unsigned int master_bits, first_ch_bits; 1832f0b5e634SDaniel Mack int err, csize; 183323caaf19SDaniel Mack struct uac_feature_unit_descriptor *hdr = _ftr; 183423caaf19SDaniel Mack __u8 *bmaControls; 1835f0b5e634SDaniel Mack 183623caaf19SDaniel Mack if (state->mixer->protocol == UAC_VERSION_1) { 1837d937cd67STakashi Iwai if (hdr->bLength < 7) { 1838d937cd67STakashi Iwai usb_audio_err(state->chip, 1839d937cd67STakashi Iwai "unit %u: invalid UAC_FEATURE_UNIT descriptor\n", 1840d937cd67STakashi Iwai unitid); 1841d937cd67STakashi Iwai return -EINVAL; 1842d937cd67STakashi Iwai } 184323caaf19SDaniel Mack csize = hdr->bControlSize; 18443c02a6d9STakashi Iwai if (!csize) { 18450ba41d91STakashi Iwai usb_audio_dbg(state->chip, 18463c02a6d9STakashi Iwai "unit %u: invalid bControlSize == 0\n", 18470ba41d91STakashi Iwai unitid); 184860c961a9SNicolai Krakowiak return -EINVAL; 184960c961a9SNicolai Krakowiak } 185023caaf19SDaniel Mack channels = (hdr->bLength - 7) / csize - 1; 185123caaf19SDaniel Mack bmaControls = hdr->bmaControls; 1852d56268fbSClemens Ladisch if (hdr->bLength < 7 + csize) { 18530ba41d91STakashi Iwai usb_audio_err(state->chip, 18540ba41d91STakashi Iwai "unit %u: invalid UAC_FEATURE_UNIT descriptor\n", 1855d56268fbSClemens Ladisch unitid); 1856d56268fbSClemens Ladisch return -EINVAL; 1857d56268fbSClemens Ladisch } 18589a2fe9b8SRuslan Bilovol } else if (state->mixer->protocol == UAC_VERSION_2) { 185923caaf19SDaniel Mack struct uac2_feature_unit_descriptor *ftr = _ftr; 1860d937cd67STakashi Iwai if (hdr->bLength < 6) { 1861d937cd67STakashi Iwai usb_audio_err(state->chip, 1862d937cd67STakashi Iwai "unit %u: invalid UAC_FEATURE_UNIT descriptor\n", 1863d937cd67STakashi Iwai unitid); 1864d937cd67STakashi Iwai return -EINVAL; 1865d937cd67STakashi Iwai } 186623caaf19SDaniel Mack csize = 4; 1867e8d0fee7SDaniel Mack channels = (hdr->bLength - 6) / 4 - 1; 186823caaf19SDaniel Mack bmaControls = ftr->bmaControls; 1869d56268fbSClemens Ladisch if (hdr->bLength < 6 + csize) { 18700ba41d91STakashi Iwai usb_audio_err(state->chip, 18710ba41d91STakashi Iwai "unit %u: invalid UAC_FEATURE_UNIT descriptor\n", 1872d56268fbSClemens Ladisch unitid); 1873f0b5e634SDaniel Mack return -EINVAL; 1874f0b5e634SDaniel Mack } 18759a2fe9b8SRuslan Bilovol } else { /* UAC_VERSION_3 */ 18769a2fe9b8SRuslan Bilovol struct uac3_feature_unit_descriptor *ftr = _ftr; 18779a2fe9b8SRuslan Bilovol 18789a2fe9b8SRuslan Bilovol if (hdr->bLength < 7) { 18799a2fe9b8SRuslan Bilovol usb_audio_err(state->chip, 18809a2fe9b8SRuslan Bilovol "unit %u: invalid UAC3_FEATURE_UNIT descriptor\n", 18819a2fe9b8SRuslan Bilovol unitid); 18829a2fe9b8SRuslan Bilovol return -EINVAL; 18839a2fe9b8SRuslan Bilovol } 18849a2fe9b8SRuslan Bilovol csize = 4; 18859a2fe9b8SRuslan Bilovol channels = (ftr->bLength - 7) / 4 - 1; 18869a2fe9b8SRuslan Bilovol bmaControls = ftr->bmaControls; 18879a2fe9b8SRuslan Bilovol if (hdr->bLength < 7 + csize) { 18889a2fe9b8SRuslan Bilovol usb_audio_err(state->chip, 18899a2fe9b8SRuslan Bilovol "unit %u: invalid UAC3_FEATURE_UNIT descriptor\n", 18909a2fe9b8SRuslan Bilovol unitid); 18919a2fe9b8SRuslan Bilovol return -EINVAL; 18929a2fe9b8SRuslan Bilovol } 1893d56268fbSClemens Ladisch } 1894f0b5e634SDaniel Mack 1895f0b5e634SDaniel Mack /* parse the source unit */ 1896f25ecf8fSTakashi Iwai err = parse_audio_unit(state, hdr->bSourceID); 1897f25ecf8fSTakashi Iwai if (err < 0) 1898f0b5e634SDaniel Mack return err; 1899f0b5e634SDaniel Mack 1900f0b5e634SDaniel Mack /* determine the input source type and name */ 19014d7b86c9SDaniel Mack err = check_input_term(state, hdr->bSourceID, &iterm); 19024d7b86c9SDaniel Mack if (err < 0) 19034d7b86c9SDaniel Mack return err; 1904f0b5e634SDaniel Mack 190523caaf19SDaniel Mack master_bits = snd_usb_combine_bytes(bmaControls, csize); 1906f0b5e634SDaniel Mack /* master configuration quirks */ 1907f0b5e634SDaniel Mack switch (state->chip->usb_id) { 1908f0b5e634SDaniel Mack case USB_ID(0x08bb, 0x2702): 19090ba41d91STakashi Iwai usb_audio_info(state->chip, 1910f0b5e634SDaniel Mack "usbmixer: master volume quirk for PCM2702 chip\n"); 1911f0b5e634SDaniel Mack /* disable non-functional volume control */ 191265f25da4SDaniel Mack master_bits &= ~UAC_CONTROL_BIT(UAC_FU_VOLUME); 1913f0b5e634SDaniel Mack break; 1914c1051439SDavid Henningsson case USB_ID(0x1130, 0xf211): 19150ba41d91STakashi Iwai usb_audio_info(state->chip, 1916c1051439SDavid Henningsson "usbmixer: volume control quirk for Tenx TP6911 Audio Headset\n"); 1917c1051439SDavid Henningsson /* disable non-functional volume control */ 1918c1051439SDavid Henningsson channels = 0; 1919c1051439SDavid Henningsson break; 1920c1051439SDavid Henningsson 1921f0b5e634SDaniel Mack } 1922f0b5e634SDaniel Mack if (channels > 0) 192323caaf19SDaniel Mack first_ch_bits = snd_usb_combine_bytes(bmaControls + csize, csize); 1924f0b5e634SDaniel Mack else 1925f0b5e634SDaniel Mack first_ch_bits = 0; 192623caaf19SDaniel Mack 192723caaf19SDaniel Mack if (state->mixer->protocol == UAC_VERSION_1) { 1928f0b5e634SDaniel Mack /* check all control types */ 1929f0b5e634SDaniel Mack for (i = 0; i < 10; i++) { 1930f0b5e634SDaniel Mack unsigned int ch_bits = 0; 193121e9b3e9SAndrew Chant int control = audio_feature_info[i].control; 193221e9b3e9SAndrew Chant 1933f0b5e634SDaniel Mack for (j = 0; j < channels; j++) { 19346bc170e4SDaniel Mack unsigned int mask; 19356bc170e4SDaniel Mack 19366bc170e4SDaniel Mack mask = snd_usb_combine_bytes(bmaControls + 19376bc170e4SDaniel Mack csize * (j+1), csize); 1938f0b5e634SDaniel Mack if (mask & (1 << i)) 1939f0b5e634SDaniel Mack ch_bits |= (1 << j); 1940f0b5e634SDaniel Mack } 194123caaf19SDaniel Mack /* audio class v1 controls are never read-only */ 19426bc170e4SDaniel Mack 19436bc170e4SDaniel Mack /* 19446bc170e4SDaniel Mack * The first channel must be set 19456bc170e4SDaniel Mack * (for ease of programming). 19466bc170e4SDaniel Mack */ 19476bc170e4SDaniel Mack if (ch_bits & 1) 194821e9b3e9SAndrew Chant build_feature_ctl(state, _ftr, ch_bits, control, 19496bc170e4SDaniel Mack &iterm, unitid, 0); 1950f0b5e634SDaniel Mack if (master_bits & (1 << i)) 195121e9b3e9SAndrew Chant build_feature_ctl(state, _ftr, 0, control, 195221e9b3e9SAndrew Chant &iterm, unitid, 0); 195323caaf19SDaniel Mack } 19549a2fe9b8SRuslan Bilovol } else { /* UAC_VERSION_2/3 */ 1955d09c06c6STakashi Iwai for (i = 0; i < ARRAY_SIZE(audio_feature_info); i++) { 195623caaf19SDaniel Mack unsigned int ch_bits = 0; 195723caaf19SDaniel Mack unsigned int ch_read_only = 0; 195821e9b3e9SAndrew Chant int control = audio_feature_info[i].control; 195923caaf19SDaniel Mack 196023caaf19SDaniel Mack for (j = 0; j < channels; j++) { 19616bc170e4SDaniel Mack unsigned int mask; 19626bc170e4SDaniel Mack 19636bc170e4SDaniel Mack mask = snd_usb_combine_bytes(bmaControls + 19646bc170e4SDaniel Mack csize * (j+1), csize); 196521e9b3e9SAndrew Chant if (uac_v2v3_control_is_readable(mask, control)) { 196623caaf19SDaniel Mack ch_bits |= (1 << j); 196721e9b3e9SAndrew Chant if (!uac_v2v3_control_is_writeable(mask, control)) 196823caaf19SDaniel Mack ch_read_only |= (1 << j); 196923caaf19SDaniel Mack } 197023caaf19SDaniel Mack } 197123caaf19SDaniel Mack 19726bc170e4SDaniel Mack /* 19736bc170e4SDaniel Mack * NOTE: build_feature_ctl() will mark the control 19746bc170e4SDaniel Mack * read-only if all channels are marked read-only in 19756bc170e4SDaniel Mack * the descriptors. Otherwise, the control will be 19766bc170e4SDaniel Mack * reported as writeable, but the driver will not 19776bc170e4SDaniel Mack * actually issue a write command for read-only 19786bc170e4SDaniel Mack * channels. 19796bc170e4SDaniel Mack */ 19806bc170e4SDaniel Mack 19816bc170e4SDaniel Mack /* 19826bc170e4SDaniel Mack * The first channel must be set 19836bc170e4SDaniel Mack * (for ease of programming). 19846bc170e4SDaniel Mack */ 19856bc170e4SDaniel Mack if (ch_bits & 1) 198621e9b3e9SAndrew Chant build_feature_ctl(state, _ftr, ch_bits, control, 19876bc170e4SDaniel Mack &iterm, unitid, ch_read_only); 198821e9b3e9SAndrew Chant if (uac_v2v3_control_is_readable(master_bits, control)) 19892de841efSTakashi Iwai build_feature_ctl(state, _ftr, 0, control, 19902de841efSTakashi Iwai &iterm, unitid, 199121e9b3e9SAndrew Chant !uac_v2v3_control_is_writeable(master_bits, 199221e9b3e9SAndrew Chant control)); 199323caaf19SDaniel Mack } 1994f0b5e634SDaniel Mack } 1995f0b5e634SDaniel Mack 1996f0b5e634SDaniel Mack return 0; 1997f0b5e634SDaniel Mack } 1998f0b5e634SDaniel Mack 1999f0b5e634SDaniel Mack /* 2000f0b5e634SDaniel Mack * Mixer Unit 2001f0b5e634SDaniel Mack */ 2002f0b5e634SDaniel Mack 2003f0b5e634SDaniel Mack /* 2004f0b5e634SDaniel Mack * build a mixer unit control 2005f0b5e634SDaniel Mack * 2006f0b5e634SDaniel Mack * the callbacks are identical with feature unit. 2007f0b5e634SDaniel Mack * input channel number (zero based) is given in control field instead. 2008f0b5e634SDaniel Mack */ 200999fc8645SDaniel Mack static void build_mixer_unit_ctl(struct mixer_build *state, 201099fc8645SDaniel Mack struct uac_mixer_unit_descriptor *desc, 20116cfd839aSJorge Sanjuan int in_pin, int in_ch, int num_outs, 20126cfd839aSJorge Sanjuan int unitid, struct usb_audio_term *iterm) 2013f0b5e634SDaniel Mack { 2014f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval; 2015f0b5e634SDaniel Mack unsigned int i, len; 2016f0b5e634SDaniel Mack struct snd_kcontrol *kctl; 2017f0b5e634SDaniel Mack const struct usbmix_name_map *map; 2018f0b5e634SDaniel Mack 201917156f23SRuslan Bilovol map = find_map(state->map, unitid, 0); 2020f0b5e634SDaniel Mack if (check_ignored_ctl(map)) 2021f0b5e634SDaniel Mack return; 2022f0b5e634SDaniel Mack 2023f0b5e634SDaniel Mack cval = kzalloc(sizeof(*cval), GFP_KERNEL); 2024f0b5e634SDaniel Mack if (!cval) 2025f0b5e634SDaniel Mack return; 2026f0b5e634SDaniel Mack 20273360b84bSTakashi Iwai snd_usb_mixer_elem_init_std(&cval->head, state->mixer, unitid); 2028f0b5e634SDaniel Mack cval->control = in_ch + 1; /* based on 1 */ 2029f0b5e634SDaniel Mack cval->val_type = USB_MIXER_S16; 2030f0b5e634SDaniel Mack for (i = 0; i < num_outs; i++) { 20316bc170e4SDaniel Mack __u8 *c = uac_mixer_unit_bmControls(desc, state->mixer->protocol); 20326bc170e4SDaniel Mack 20336bc170e4SDaniel Mack if (check_matrix_bitmap(c, in_ch, i, num_outs)) { 2034f0b5e634SDaniel Mack cval->cmask |= (1 << i); 2035f0b5e634SDaniel Mack cval->channels++; 2036f0b5e634SDaniel Mack } 2037f0b5e634SDaniel Mack } 2038f0b5e634SDaniel Mack 2039f0b5e634SDaniel Mack /* get min/max values */ 2040f0b5e634SDaniel Mack get_min_max(cval, 0); 2041f0b5e634SDaniel Mack 2042f0b5e634SDaniel Mack kctl = snd_ctl_new1(&usb_feature_unit_ctl, cval); 2043f0b5e634SDaniel Mack if (!kctl) { 20440ba41d91STakashi Iwai usb_audio_err(state->chip, "cannot malloc kcontrol\n"); 2045f0b5e634SDaniel Mack kfree(cval); 2046f0b5e634SDaniel Mack return; 2047f0b5e634SDaniel Mack } 2048eef90451SChris J Arges kctl->private_free = snd_usb_mixer_elem_free; 2049f0b5e634SDaniel Mack 2050f0b5e634SDaniel Mack len = check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name)); 2051f0b5e634SDaniel Mack if (!len) 2052eccfc1b8SRuslan Bilovol len = get_term_name(state->chip, iterm, kctl->id.name, 20536bc170e4SDaniel Mack sizeof(kctl->id.name), 0); 2054f0b5e634SDaniel Mack if (!len) 2055f0b5e634SDaniel Mack len = sprintf(kctl->id.name, "Mixer Source %d", in_ch + 1); 2056f0b5e634SDaniel Mack append_ctl_name(kctl, " Volume"); 2057f0b5e634SDaniel Mack 20580ba41d91STakashi Iwai usb_audio_dbg(state->chip, "[%d] MU [%s] ch = %d, val = %d/%d\n", 20593360b84bSTakashi Iwai cval->head.id, kctl->id.name, cval->channels, cval->min, cval->max); 20603360b84bSTakashi Iwai snd_usb_mixer_add_control(&cval->head, kctl); 2061f0b5e634SDaniel Mack } 2062f0b5e634SDaniel Mack 20635a222e84SAndrew Chant static int parse_audio_input_terminal(struct mixer_build *state, int unitid, 20645a222e84SAndrew Chant void *raw_desc) 20655a222e84SAndrew Chant { 20665a222e84SAndrew Chant struct usb_audio_term iterm; 20671d38f5d8SJorge Sanjuan unsigned int control, bmctls, term_id; 20685a222e84SAndrew Chant 20695a222e84SAndrew Chant if (state->mixer->protocol == UAC_VERSION_2) { 20701d38f5d8SJorge Sanjuan struct uac2_input_terminal_descriptor *d_v2 = raw_desc; 20711d38f5d8SJorge Sanjuan control = UAC2_TE_CONNECTOR; 20721d38f5d8SJorge Sanjuan term_id = d_v2->bTerminalID; 20731d38f5d8SJorge Sanjuan bmctls = le16_to_cpu(d_v2->bmControls); 20741d38f5d8SJorge Sanjuan } else if (state->mixer->protocol == UAC_VERSION_3) { 20751d38f5d8SJorge Sanjuan struct uac3_input_terminal_descriptor *d_v3 = raw_desc; 20761d38f5d8SJorge Sanjuan control = UAC3_TE_INSERTION; 20771d38f5d8SJorge Sanjuan term_id = d_v3->bTerminalID; 20781d38f5d8SJorge Sanjuan bmctls = le32_to_cpu(d_v3->bmControls); 20791d38f5d8SJorge Sanjuan } else { 20801d38f5d8SJorge Sanjuan return 0; /* UAC1. No Insertion control */ 20811d38f5d8SJorge Sanjuan } 20821d38f5d8SJorge Sanjuan 20831d38f5d8SJorge Sanjuan check_input_term(state, term_id, &iterm); 20841d38f5d8SJorge Sanjuan 20855a222e84SAndrew Chant /* Check for jack detection. */ 20861d38f5d8SJorge Sanjuan if (uac_v2v3_control_is_readable(bmctls, control)) 2087167e1fb1SJorge Sanjuan build_connector_control(state->mixer, &iterm, true); 20881d38f5d8SJorge Sanjuan 20895a222e84SAndrew Chant return 0; 20905a222e84SAndrew Chant } 20915a222e84SAndrew Chant 2092f0b5e634SDaniel Mack /* 2093f0b5e634SDaniel Mack * parse a mixer unit 2094f0b5e634SDaniel Mack */ 20956bc170e4SDaniel Mack static int parse_audio_mixer_unit(struct mixer_build *state, int unitid, 20966bc170e4SDaniel Mack void *raw_desc) 2097f0b5e634SDaniel Mack { 209899fc8645SDaniel Mack struct uac_mixer_unit_descriptor *desc = raw_desc; 2099f0b5e634SDaniel Mack struct usb_audio_term iterm; 2100f0b5e634SDaniel Mack int input_pins, num_ins, num_outs; 2101f0b5e634SDaniel Mack int pin, ich, err; 2102f0b5e634SDaniel Mack 21036cfd839aSJorge Sanjuan err = uac_mixer_unit_get_channels(state, desc); 21046cfd839aSJorge Sanjuan if (err < 0) { 21056bc170e4SDaniel Mack usb_audio_err(state->chip, 21066bc170e4SDaniel Mack "invalid MIXER UNIT descriptor %d\n", 21076bc170e4SDaniel Mack unitid); 21086cfd839aSJorge Sanjuan return err; 2109f0b5e634SDaniel Mack } 2110f0b5e634SDaniel Mack 21116cfd839aSJorge Sanjuan num_outs = err; 21126cfd839aSJorge Sanjuan input_pins = desc->bNrInPins; 21136cfd839aSJorge Sanjuan 2114f0b5e634SDaniel Mack num_ins = 0; 2115f0b5e634SDaniel Mack ich = 0; 2116f0b5e634SDaniel Mack for (pin = 0; pin < input_pins; pin++) { 211799fc8645SDaniel Mack err = parse_audio_unit(state, desc->baSourceID[pin]); 2118f0b5e634SDaniel Mack if (err < 0) 2119284a8dd6SMark Hills continue; 2120ea114fc2SClemens Ladisch /* no bmControls field (e.g. Maya44) -> ignore */ 2121ea114fc2SClemens Ladisch if (desc->bLength <= 10 + input_pins) 2122ea114fc2SClemens Ladisch continue; 212399fc8645SDaniel Mack err = check_input_term(state, desc->baSourceID[pin], &iterm); 2124f0b5e634SDaniel Mack if (err < 0) 2125f0b5e634SDaniel Mack return err; 2126f0b5e634SDaniel Mack num_ins += iterm.channels; 21276bc170e4SDaniel Mack for (; ich < num_ins; ich++) { 2128f0b5e634SDaniel Mack int och, ich_has_controls = 0; 2129f0b5e634SDaniel Mack 21306bc170e4SDaniel Mack for (och = 0; och < num_outs; och++) { 21316bc170e4SDaniel Mack __u8 *c = uac_mixer_unit_bmControls(desc, 21326bc170e4SDaniel Mack state->mixer->protocol); 21336bc170e4SDaniel Mack 21346bc170e4SDaniel Mack if (check_matrix_bitmap(c, ich, och, num_outs)) { 2135f0b5e634SDaniel Mack ich_has_controls = 1; 2136f0b5e634SDaniel Mack break; 2137f0b5e634SDaniel Mack } 2138f0b5e634SDaniel Mack } 2139f0b5e634SDaniel Mack if (ich_has_controls) 21406cfd839aSJorge Sanjuan build_mixer_unit_ctl(state, desc, pin, ich, num_outs, 2141f0b5e634SDaniel Mack unitid, &iterm); 2142f0b5e634SDaniel Mack } 2143f0b5e634SDaniel Mack } 2144f0b5e634SDaniel Mack return 0; 2145f0b5e634SDaniel Mack } 2146f0b5e634SDaniel Mack 2147f0b5e634SDaniel Mack /* 2148f0b5e634SDaniel Mack * Processing Unit / Extension Unit 2149f0b5e634SDaniel Mack */ 2150f0b5e634SDaniel Mack 2151f0b5e634SDaniel Mack /* get callback for processing/extension unit */ 21526bc170e4SDaniel Mack static int mixer_ctl_procunit_get(struct snd_kcontrol *kcontrol, 21536bc170e4SDaniel Mack struct snd_ctl_elem_value *ucontrol) 2154f0b5e634SDaniel Mack { 2155f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval = kcontrol->private_data; 2156f0b5e634SDaniel Mack int err, val; 2157f0b5e634SDaniel Mack 2158f0b5e634SDaniel Mack err = get_cur_ctl_value(cval, cval->control << 8, &val); 21595aeee342STakashi Iwai if (err < 0) { 2160f0b5e634SDaniel Mack ucontrol->value.integer.value[0] = cval->min; 21615aeee342STakashi Iwai return filter_error(cval, err); 2162f0b5e634SDaniel Mack } 2163f0b5e634SDaniel Mack val = get_relative_value(cval, val); 2164f0b5e634SDaniel Mack ucontrol->value.integer.value[0] = val; 2165f0b5e634SDaniel Mack return 0; 2166f0b5e634SDaniel Mack } 2167f0b5e634SDaniel Mack 2168f0b5e634SDaniel Mack /* put callback for processing/extension unit */ 21696bc170e4SDaniel Mack static int mixer_ctl_procunit_put(struct snd_kcontrol *kcontrol, 21706bc170e4SDaniel Mack struct snd_ctl_elem_value *ucontrol) 2171f0b5e634SDaniel Mack { 2172f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval = kcontrol->private_data; 2173f0b5e634SDaniel Mack int val, oval, err; 2174f0b5e634SDaniel Mack 2175f0b5e634SDaniel Mack err = get_cur_ctl_value(cval, cval->control << 8, &oval); 21765aeee342STakashi Iwai if (err < 0) 21775aeee342STakashi Iwai return filter_error(cval, err); 2178f0b5e634SDaniel Mack val = ucontrol->value.integer.value[0]; 2179f0b5e634SDaniel Mack val = get_abs_value(cval, val); 2180f0b5e634SDaniel Mack if (val != oval) { 2181f0b5e634SDaniel Mack set_cur_ctl_value(cval, cval->control << 8, val); 2182f0b5e634SDaniel Mack return 1; 2183f0b5e634SDaniel Mack } 2184f0b5e634SDaniel Mack return 0; 2185f0b5e634SDaniel Mack } 2186f0b5e634SDaniel Mack 2187f0b5e634SDaniel Mack /* alsa control interface for processing/extension unit */ 21888fdaebbbSBhumika Goyal static const struct snd_kcontrol_new mixer_procunit_ctl = { 2189f0b5e634SDaniel Mack .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 2190f0b5e634SDaniel Mack .name = "", /* will be filled later */ 2191f0b5e634SDaniel Mack .info = mixer_ctl_feature_info, 2192f0b5e634SDaniel Mack .get = mixer_ctl_procunit_get, 2193f0b5e634SDaniel Mack .put = mixer_ctl_procunit_put, 2194f0b5e634SDaniel Mack }; 2195f0b5e634SDaniel Mack 2196f0b5e634SDaniel Mack /* 2197f0b5e634SDaniel Mack * predefined data for processing units 2198f0b5e634SDaniel Mack */ 2199f0b5e634SDaniel Mack struct procunit_value_info { 2200f0b5e634SDaniel Mack int control; 2201f0b5e634SDaniel Mack char *suffix; 2202f0b5e634SDaniel Mack int val_type; 2203f0b5e634SDaniel Mack int min_value; 2204f0b5e634SDaniel Mack }; 2205f0b5e634SDaniel Mack 2206f0b5e634SDaniel Mack struct procunit_info { 2207f0b5e634SDaniel Mack int type; 2208f0b5e634SDaniel Mack char *name; 2209f0b5e634SDaniel Mack struct procunit_value_info *values; 2210f0b5e634SDaniel Mack }; 2211f0b5e634SDaniel Mack 22120f292f02SJorge Sanjuan static struct procunit_value_info undefined_proc_info[] = { 22130f292f02SJorge Sanjuan { 0x00, "Control Undefined", 0 }, 22140f292f02SJorge Sanjuan { 0 } 22150f292f02SJorge Sanjuan }; 22160f292f02SJorge Sanjuan 2217f0b5e634SDaniel Mack static struct procunit_value_info updown_proc_info[] = { 221865f25da4SDaniel Mack { UAC_UD_ENABLE, "Switch", USB_MIXER_BOOLEAN }, 221965f25da4SDaniel Mack { UAC_UD_MODE_SELECT, "Mode Select", USB_MIXER_U8, 1 }, 2220f0b5e634SDaniel Mack { 0 } 2221f0b5e634SDaniel Mack }; 2222f0b5e634SDaniel Mack static struct procunit_value_info prologic_proc_info[] = { 222365f25da4SDaniel Mack { UAC_DP_ENABLE, "Switch", USB_MIXER_BOOLEAN }, 222465f25da4SDaniel Mack { UAC_DP_MODE_SELECT, "Mode Select", USB_MIXER_U8, 1 }, 2225f0b5e634SDaniel Mack { 0 } 2226f0b5e634SDaniel Mack }; 2227f0b5e634SDaniel Mack static struct procunit_value_info threed_enh_proc_info[] = { 222865f25da4SDaniel Mack { UAC_3D_ENABLE, "Switch", USB_MIXER_BOOLEAN }, 222965f25da4SDaniel Mack { UAC_3D_SPACE, "Spaciousness", USB_MIXER_U8 }, 2230f0b5e634SDaniel Mack { 0 } 2231f0b5e634SDaniel Mack }; 2232f0b5e634SDaniel Mack static struct procunit_value_info reverb_proc_info[] = { 223365f25da4SDaniel Mack { UAC_REVERB_ENABLE, "Switch", USB_MIXER_BOOLEAN }, 223465f25da4SDaniel Mack { UAC_REVERB_LEVEL, "Level", USB_MIXER_U8 }, 223565f25da4SDaniel Mack { UAC_REVERB_TIME, "Time", USB_MIXER_U16 }, 223665f25da4SDaniel Mack { UAC_REVERB_FEEDBACK, "Feedback", USB_MIXER_U8 }, 2237f0b5e634SDaniel Mack { 0 } 2238f0b5e634SDaniel Mack }; 2239f0b5e634SDaniel Mack static struct procunit_value_info chorus_proc_info[] = { 224065f25da4SDaniel Mack { UAC_CHORUS_ENABLE, "Switch", USB_MIXER_BOOLEAN }, 224165f25da4SDaniel Mack { UAC_CHORUS_LEVEL, "Level", USB_MIXER_U8 }, 224265f25da4SDaniel Mack { UAC_CHORUS_RATE, "Rate", USB_MIXER_U16 }, 224365f25da4SDaniel Mack { UAC_CHORUS_DEPTH, "Depth", USB_MIXER_U16 }, 2244f0b5e634SDaniel Mack { 0 } 2245f0b5e634SDaniel Mack }; 2246f0b5e634SDaniel Mack static struct procunit_value_info dcr_proc_info[] = { 224765f25da4SDaniel Mack { UAC_DCR_ENABLE, "Switch", USB_MIXER_BOOLEAN }, 224865f25da4SDaniel Mack { UAC_DCR_RATE, "Ratio", USB_MIXER_U16 }, 224965f25da4SDaniel Mack { UAC_DCR_MAXAMPL, "Max Amp", USB_MIXER_S16 }, 225065f25da4SDaniel Mack { UAC_DCR_THRESHOLD, "Threshold", USB_MIXER_S16 }, 225165f25da4SDaniel Mack { UAC_DCR_ATTACK_TIME, "Attack Time", USB_MIXER_U16 }, 225265f25da4SDaniel Mack { UAC_DCR_RELEASE_TIME, "Release Time", USB_MIXER_U16 }, 2253f0b5e634SDaniel Mack { 0 } 2254f0b5e634SDaniel Mack }; 2255f0b5e634SDaniel Mack 2256f0b5e634SDaniel Mack static struct procunit_info procunits[] = { 225765f25da4SDaniel Mack { UAC_PROCESS_UP_DOWNMIX, "Up Down", updown_proc_info }, 225865f25da4SDaniel Mack { UAC_PROCESS_DOLBY_PROLOGIC, "Dolby Prologic", prologic_proc_info }, 225965f25da4SDaniel Mack { UAC_PROCESS_STEREO_EXTENDER, "3D Stereo Extender", threed_enh_proc_info }, 226065f25da4SDaniel Mack { UAC_PROCESS_REVERB, "Reverb", reverb_proc_info }, 226165f25da4SDaniel Mack { UAC_PROCESS_CHORUS, "Chorus", chorus_proc_info }, 226265f25da4SDaniel Mack { UAC_PROCESS_DYN_RANGE_COMP, "DCR", dcr_proc_info }, 2263f0b5e634SDaniel Mack { 0 }, 2264f0b5e634SDaniel Mack }; 22650f292f02SJorge Sanjuan 22660f292f02SJorge Sanjuan static struct procunit_value_info uac3_updown_proc_info[] = { 22670f292f02SJorge Sanjuan { UAC3_UD_MODE_SELECT, "Mode Select", USB_MIXER_U8, 1 }, 22680f292f02SJorge Sanjuan { 0 } 22690f292f02SJorge Sanjuan }; 22700f292f02SJorge Sanjuan static struct procunit_value_info uac3_stereo_ext_proc_info[] = { 22710f292f02SJorge Sanjuan { UAC3_EXT_WIDTH_CONTROL, "Width Control", USB_MIXER_U8 }, 22720f292f02SJorge Sanjuan { 0 } 22730f292f02SJorge Sanjuan }; 22740f292f02SJorge Sanjuan 22750f292f02SJorge Sanjuan static struct procunit_info uac3_procunits[] = { 22760f292f02SJorge Sanjuan { UAC3_PROCESS_UP_DOWNMIX, "Up Down", uac3_updown_proc_info }, 22770f292f02SJorge Sanjuan { UAC3_PROCESS_STEREO_EXTENDER, "3D Stereo Extender", uac3_stereo_ext_proc_info }, 22780f292f02SJorge Sanjuan { UAC3_PROCESS_MULTI_FUNCTION, "Multi-Function", undefined_proc_info }, 22790f292f02SJorge Sanjuan { 0 }, 22800f292f02SJorge Sanjuan }; 22810f292f02SJorge Sanjuan 2282f0b5e634SDaniel Mack /* 2283f0b5e634SDaniel Mack * predefined data for extension units 2284f0b5e634SDaniel Mack */ 2285f0b5e634SDaniel Mack static struct procunit_value_info clock_rate_xu_info[] = { 2286f0b5e634SDaniel Mack { USB_XU_CLOCK_RATE_SELECTOR, "Selector", USB_MIXER_U8, 0 }, 2287f0b5e634SDaniel Mack { 0 } 2288f0b5e634SDaniel Mack }; 2289f0b5e634SDaniel Mack static struct procunit_value_info clock_source_xu_info[] = { 2290f0b5e634SDaniel Mack { USB_XU_CLOCK_SOURCE_SELECTOR, "External", USB_MIXER_BOOLEAN }, 2291f0b5e634SDaniel Mack { 0 } 2292f0b5e634SDaniel Mack }; 2293f0b5e634SDaniel Mack static struct procunit_value_info spdif_format_xu_info[] = { 2294f0b5e634SDaniel Mack { USB_XU_DIGITAL_FORMAT_SELECTOR, "SPDIF/AC3", USB_MIXER_BOOLEAN }, 2295f0b5e634SDaniel Mack { 0 } 2296f0b5e634SDaniel Mack }; 2297f0b5e634SDaniel Mack static struct procunit_value_info soft_limit_xu_info[] = { 2298f0b5e634SDaniel Mack { USB_XU_SOFT_LIMIT_SELECTOR, " ", USB_MIXER_BOOLEAN }, 2299f0b5e634SDaniel Mack { 0 } 2300f0b5e634SDaniel Mack }; 2301f0b5e634SDaniel Mack static struct procunit_info extunits[] = { 2302f0b5e634SDaniel Mack { USB_XU_CLOCK_RATE, "Clock rate", clock_rate_xu_info }, 2303f0b5e634SDaniel Mack { USB_XU_CLOCK_SOURCE, "DigitalIn CLK source", clock_source_xu_info }, 2304f0b5e634SDaniel Mack { USB_XU_DIGITAL_IO_STATUS, "DigitalOut format:", spdif_format_xu_info }, 2305f0b5e634SDaniel Mack { USB_XU_DEVICE_OPTIONS, "AnalogueIn Soft Limit", soft_limit_xu_info }, 2306f0b5e634SDaniel Mack { 0 } 2307f0b5e634SDaniel Mack }; 23086bc170e4SDaniel Mack 2309f0b5e634SDaniel Mack /* 2310f0b5e634SDaniel Mack * build a processing/extension unit 2311f0b5e634SDaniel Mack */ 23126bc170e4SDaniel Mack static int build_audio_procunit(struct mixer_build *state, int unitid, 23136bc170e4SDaniel Mack void *raw_desc, struct procunit_info *list, 23146bc170e4SDaniel Mack char *name) 2315f0b5e634SDaniel Mack { 231699fc8645SDaniel Mack struct uac_processing_unit_descriptor *desc = raw_desc; 231799fc8645SDaniel Mack int num_ins = desc->bNrInPins; 2318f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval; 2319f0b5e634SDaniel Mack struct snd_kcontrol *kctl; 2320f0b5e634SDaniel Mack int i, err, nameid, type, len; 2321f0b5e634SDaniel Mack struct procunit_info *info; 2322f0b5e634SDaniel Mack struct procunit_value_info *valinfo; 2323f0b5e634SDaniel Mack const struct usbmix_name_map *map; 2324f0b5e634SDaniel Mack static struct procunit_value_info default_value_info[] = { 2325f0b5e634SDaniel Mack { 0x01, "Switch", USB_MIXER_BOOLEAN }, 2326f0b5e634SDaniel Mack { 0 } 2327f0b5e634SDaniel Mack }; 2328f0b5e634SDaniel Mack static struct procunit_info default_info = { 2329f0b5e634SDaniel Mack 0, NULL, default_value_info 2330f0b5e634SDaniel Mack }; 2331f0b5e634SDaniel Mack 233223caaf19SDaniel Mack if (desc->bLength < 13 || desc->bLength < 13 + num_ins || 233323caaf19SDaniel Mack desc->bLength < num_ins + uac_processing_unit_bControlSize(desc, state->mixer->protocol)) { 23340ba41d91STakashi Iwai usb_audio_err(state->chip, "invalid %s descriptor (id %d)\n", name, unitid); 2335f0b5e634SDaniel Mack return -EINVAL; 2336f0b5e634SDaniel Mack } 2337f0b5e634SDaniel Mack 2338f0b5e634SDaniel Mack for (i = 0; i < num_ins; i++) { 2339f25ecf8fSTakashi Iwai err = parse_audio_unit(state, desc->baSourceID[i]); 2340f25ecf8fSTakashi Iwai if (err < 0) 2341f0b5e634SDaniel Mack return err; 2342f0b5e634SDaniel Mack } 2343f0b5e634SDaniel Mack 234499fc8645SDaniel Mack type = le16_to_cpu(desc->wProcessType); 2345f0b5e634SDaniel Mack for (info = list; info && info->type; info++) 2346f0b5e634SDaniel Mack if (info->type == type) 2347f0b5e634SDaniel Mack break; 2348f0b5e634SDaniel Mack if (!info || !info->type) 2349f0b5e634SDaniel Mack info = &default_info; 2350f0b5e634SDaniel Mack 2351f0b5e634SDaniel Mack for (valinfo = info->values; valinfo->control; valinfo++) { 235223caaf19SDaniel Mack __u8 *controls = uac_processing_unit_bmControls(desc, state->mixer->protocol); 235399fc8645SDaniel Mack 23544e887af3SJorge Sanjuan if (state->mixer->protocol == UAC_VERSION_1) { 23554e887af3SJorge Sanjuan if (!(controls[valinfo->control / 8] & 23564e887af3SJorge Sanjuan (1 << ((valinfo->control % 8) - 1)))) 2357f0b5e634SDaniel Mack continue; 23584e887af3SJorge Sanjuan } else { /* UAC_VERSION_2/3 */ 23594e887af3SJorge Sanjuan if (!uac_v2v3_control_is_readable(controls[valinfo->control / 8], 23604e887af3SJorge Sanjuan valinfo->control)) 23614e887af3SJorge Sanjuan continue; 23624e887af3SJorge Sanjuan } 23634e887af3SJorge Sanjuan 236417156f23SRuslan Bilovol map = find_map(state->map, unitid, valinfo->control); 2365f0b5e634SDaniel Mack if (check_ignored_ctl(map)) 2366f0b5e634SDaniel Mack continue; 2367f0b5e634SDaniel Mack cval = kzalloc(sizeof(*cval), GFP_KERNEL); 2368a860d95fSDaniel Mack if (!cval) 2369f0b5e634SDaniel Mack return -ENOMEM; 23703360b84bSTakashi Iwai snd_usb_mixer_elem_init_std(&cval->head, state->mixer, unitid); 2371f0b5e634SDaniel Mack cval->control = valinfo->control; 2372f0b5e634SDaniel Mack cval->val_type = valinfo->val_type; 2373f0b5e634SDaniel Mack cval->channels = 1; 2374f0b5e634SDaniel Mack 23754e887af3SJorge Sanjuan if (state->mixer->protocol > UAC_VERSION_1 && 23764e887af3SJorge Sanjuan !uac_v2v3_control_is_writeable(controls[valinfo->control / 8], 23774e887af3SJorge Sanjuan valinfo->control)) 23784e887af3SJorge Sanjuan cval->master_readonly = 1; 23794e887af3SJorge Sanjuan 2380f0b5e634SDaniel Mack /* get min/max values */ 238155b8cb46SJorge Sanjuan switch (type) { 238255b8cb46SJorge Sanjuan case UAC_PROCESS_UP_DOWNMIX: { 238355b8cb46SJorge Sanjuan bool mode_sel = false; 238455b8cb46SJorge Sanjuan 238555b8cb46SJorge Sanjuan switch (state->mixer->protocol) { 238655b8cb46SJorge Sanjuan case UAC_VERSION_1: 238755b8cb46SJorge Sanjuan case UAC_VERSION_2: 238855b8cb46SJorge Sanjuan default: 238955b8cb46SJorge Sanjuan if (cval->control == UAC_UD_MODE_SELECT) 239055b8cb46SJorge Sanjuan mode_sel = true; 239155b8cb46SJorge Sanjuan break; 239255b8cb46SJorge Sanjuan case UAC_VERSION_3: 239355b8cb46SJorge Sanjuan if (cval->control == UAC3_UD_MODE_SELECT) 239455b8cb46SJorge Sanjuan mode_sel = true; 239555b8cb46SJorge Sanjuan break; 239655b8cb46SJorge Sanjuan } 239755b8cb46SJorge Sanjuan 239855b8cb46SJorge Sanjuan if (mode_sel) { 239955b8cb46SJorge Sanjuan __u8 *control_spec = uac_processing_unit_specific(desc, 240055b8cb46SJorge Sanjuan state->mixer->protocol); 2401f0b5e634SDaniel Mack cval->min = 1; 240299fc8645SDaniel Mack cval->max = control_spec[0]; 2403f0b5e634SDaniel Mack cval->res = 1; 2404f0b5e634SDaniel Mack cval->initialized = 1; 240555b8cb46SJorge Sanjuan break; 240655b8cb46SJorge Sanjuan } 240755b8cb46SJorge Sanjuan 240855b8cb46SJorge Sanjuan get_min_max(cval, valinfo->min_value); 240955b8cb46SJorge Sanjuan break; 241055b8cb46SJorge Sanjuan } 241155b8cb46SJorge Sanjuan case USB_XU_CLOCK_RATE: 24126bc170e4SDaniel Mack /* 24136bc170e4SDaniel Mack * E-Mu USB 0404/0202/TrackerPre/0204 2414f0b5e634SDaniel Mack * samplerate control quirk 2415f0b5e634SDaniel Mack */ 2416f0b5e634SDaniel Mack cval->min = 0; 2417f0b5e634SDaniel Mack cval->max = 5; 2418f0b5e634SDaniel Mack cval->res = 1; 2419f0b5e634SDaniel Mack cval->initialized = 1; 242055b8cb46SJorge Sanjuan break; 242155b8cb46SJorge Sanjuan default: 2422f0b5e634SDaniel Mack get_min_max(cval, valinfo->min_value); 242355b8cb46SJorge Sanjuan break; 2424f0b5e634SDaniel Mack } 2425f0b5e634SDaniel Mack 2426f0b5e634SDaniel Mack kctl = snd_ctl_new1(&mixer_procunit_ctl, cval); 2427f0b5e634SDaniel Mack if (!kctl) { 2428f0b5e634SDaniel Mack kfree(cval); 2429f0b5e634SDaniel Mack return -ENOMEM; 2430f0b5e634SDaniel Mack } 2431eef90451SChris J Arges kctl->private_free = snd_usb_mixer_elem_free; 2432f0b5e634SDaniel Mack 24336bc170e4SDaniel Mack if (check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name))) { 2434f0b5e634SDaniel Mack /* nothing */ ; 24356bc170e4SDaniel Mack } else if (info->name) { 2436f0b5e634SDaniel Mack strlcpy(kctl->id.name, info->name, sizeof(kctl->id.name)); 24376bc170e4SDaniel Mack } else { 243823caaf19SDaniel Mack nameid = uac_processing_unit_iProcessing(desc, state->mixer->protocol); 2439f0b5e634SDaniel Mack len = 0; 2440f0b5e634SDaniel Mack if (nameid) 2441eccfc1b8SRuslan Bilovol len = snd_usb_copy_string_desc(state->chip, 2442eccfc1b8SRuslan Bilovol nameid, 24436bc170e4SDaniel Mack kctl->id.name, 24446bc170e4SDaniel Mack sizeof(kctl->id.name)); 2445f0b5e634SDaniel Mack if (!len) 2446f0b5e634SDaniel Mack strlcpy(kctl->id.name, name, sizeof(kctl->id.name)); 2447f0b5e634SDaniel Mack } 2448f0b5e634SDaniel Mack append_ctl_name(kctl, " "); 2449f0b5e634SDaniel Mack append_ctl_name(kctl, valinfo->suffix); 2450f0b5e634SDaniel Mack 24510ba41d91STakashi Iwai usb_audio_dbg(state->chip, 24520ba41d91STakashi Iwai "[%d] PU [%s] ch = %d, val = %d/%d\n", 24533360b84bSTakashi Iwai cval->head.id, kctl->id.name, cval->channels, 24546bc170e4SDaniel Mack cval->min, cval->max); 24556bc170e4SDaniel Mack 24563360b84bSTakashi Iwai err = snd_usb_mixer_add_control(&cval->head, kctl); 24576bc170e4SDaniel Mack if (err < 0) 2458f0b5e634SDaniel Mack return err; 2459f0b5e634SDaniel Mack } 2460f0b5e634SDaniel Mack return 0; 2461f0b5e634SDaniel Mack } 2462f0b5e634SDaniel Mack 24636bc170e4SDaniel Mack static int parse_audio_processing_unit(struct mixer_build *state, int unitid, 24646bc170e4SDaniel Mack void *raw_desc) 2465f0b5e634SDaniel Mack { 24660f292f02SJorge Sanjuan switch (state->mixer->protocol) { 24670f292f02SJorge Sanjuan case UAC_VERSION_1: 24680f292f02SJorge Sanjuan case UAC_VERSION_2: 24690f292f02SJorge Sanjuan default: 24706bc170e4SDaniel Mack return build_audio_procunit(state, unitid, raw_desc, 24716bc170e4SDaniel Mack procunits, "Processing Unit"); 24720f292f02SJorge Sanjuan case UAC_VERSION_3: 24730f292f02SJorge Sanjuan return build_audio_procunit(state, unitid, raw_desc, 24740f292f02SJorge Sanjuan uac3_procunits, "Processing Unit"); 24750f292f02SJorge Sanjuan } 2476f0b5e634SDaniel Mack } 2477f0b5e634SDaniel Mack 24786bc170e4SDaniel Mack static int parse_audio_extension_unit(struct mixer_build *state, int unitid, 24796bc170e4SDaniel Mack void *raw_desc) 2480f0b5e634SDaniel Mack { 24816bc170e4SDaniel Mack /* 24826bc170e4SDaniel Mack * Note that we parse extension units with processing unit descriptors. 24836bc170e4SDaniel Mack * That's ok as the layout is the same. 24846bc170e4SDaniel Mack */ 24856bc170e4SDaniel Mack return build_audio_procunit(state, unitid, raw_desc, 24866bc170e4SDaniel Mack extunits, "Extension Unit"); 2487f0b5e634SDaniel Mack } 2488f0b5e634SDaniel Mack 2489f0b5e634SDaniel Mack /* 2490f0b5e634SDaniel Mack * Selector Unit 2491f0b5e634SDaniel Mack */ 2492f0b5e634SDaniel Mack 24936bc170e4SDaniel Mack /* 24946bc170e4SDaniel Mack * info callback for selector unit 2495f0b5e634SDaniel Mack * use an enumerator type for routing 2496f0b5e634SDaniel Mack */ 24976bc170e4SDaniel Mack static int mixer_ctl_selector_info(struct snd_kcontrol *kcontrol, 24986bc170e4SDaniel Mack struct snd_ctl_elem_info *uinfo) 2499f0b5e634SDaniel Mack { 2500f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval = kcontrol->private_data; 25012a1803a7SClemens Ladisch const char **itemlist = (const char **)kcontrol->private_value; 2502f0b5e634SDaniel Mack 2503f0b5e634SDaniel Mack if (snd_BUG_ON(!itemlist)) 2504f0b5e634SDaniel Mack return -EINVAL; 25052a1803a7SClemens Ladisch return snd_ctl_enum_info(uinfo, 1, cval->max, itemlist); 2506f0b5e634SDaniel Mack } 2507f0b5e634SDaniel Mack 2508f0b5e634SDaniel Mack /* get callback for selector unit */ 25096bc170e4SDaniel Mack static int mixer_ctl_selector_get(struct snd_kcontrol *kcontrol, 25106bc170e4SDaniel Mack struct snd_ctl_elem_value *ucontrol) 2511f0b5e634SDaniel Mack { 2512f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval = kcontrol->private_data; 2513f0b5e634SDaniel Mack int val, err; 2514f0b5e634SDaniel Mack 251509414207SDaniel Mack err = get_cur_ctl_value(cval, cval->control << 8, &val); 2516f0b5e634SDaniel Mack if (err < 0) { 2517f0b5e634SDaniel Mack ucontrol->value.enumerated.item[0] = 0; 25185aeee342STakashi Iwai return filter_error(cval, err); 2519f0b5e634SDaniel Mack } 2520f0b5e634SDaniel Mack val = get_relative_value(cval, val); 2521f0b5e634SDaniel Mack ucontrol->value.enumerated.item[0] = val; 2522f0b5e634SDaniel Mack return 0; 2523f0b5e634SDaniel Mack } 2524f0b5e634SDaniel Mack 2525f0b5e634SDaniel Mack /* put callback for selector unit */ 25266bc170e4SDaniel Mack static int mixer_ctl_selector_put(struct snd_kcontrol *kcontrol, 25276bc170e4SDaniel Mack struct snd_ctl_elem_value *ucontrol) 2528f0b5e634SDaniel Mack { 2529f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval = kcontrol->private_data; 2530f0b5e634SDaniel Mack int val, oval, err; 2531f0b5e634SDaniel Mack 253209414207SDaniel Mack err = get_cur_ctl_value(cval, cval->control << 8, &oval); 25335aeee342STakashi Iwai if (err < 0) 25345aeee342STakashi Iwai return filter_error(cval, err); 2535f0b5e634SDaniel Mack val = ucontrol->value.enumerated.item[0]; 2536f0b5e634SDaniel Mack val = get_abs_value(cval, val); 2537f0b5e634SDaniel Mack if (val != oval) { 253809414207SDaniel Mack set_cur_ctl_value(cval, cval->control << 8, val); 2539f0b5e634SDaniel Mack return 1; 2540f0b5e634SDaniel Mack } 2541f0b5e634SDaniel Mack return 0; 2542f0b5e634SDaniel Mack } 2543f0b5e634SDaniel Mack 2544f0b5e634SDaniel Mack /* alsa control interface for selector unit */ 25458fdaebbbSBhumika Goyal static const struct snd_kcontrol_new mixer_selectunit_ctl = { 2546f0b5e634SDaniel Mack .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 2547f0b5e634SDaniel Mack .name = "", /* will be filled later */ 2548f0b5e634SDaniel Mack .info = mixer_ctl_selector_info, 2549f0b5e634SDaniel Mack .get = mixer_ctl_selector_get, 2550f0b5e634SDaniel Mack .put = mixer_ctl_selector_put, 2551f0b5e634SDaniel Mack }; 2552f0b5e634SDaniel Mack 25536bc170e4SDaniel Mack /* 25546bc170e4SDaniel Mack * private free callback. 2555f0b5e634SDaniel Mack * free both private_data and private_value 2556f0b5e634SDaniel Mack */ 2557f0b5e634SDaniel Mack static void usb_mixer_selector_elem_free(struct snd_kcontrol *kctl) 2558f0b5e634SDaniel Mack { 2559f0b5e634SDaniel Mack int i, num_ins = 0; 2560f0b5e634SDaniel Mack 2561f0b5e634SDaniel Mack if (kctl->private_data) { 2562f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval = kctl->private_data; 2563f0b5e634SDaniel Mack num_ins = cval->max; 2564f0b5e634SDaniel Mack kfree(cval); 2565f0b5e634SDaniel Mack kctl->private_data = NULL; 2566f0b5e634SDaniel Mack } 2567f0b5e634SDaniel Mack if (kctl->private_value) { 2568f0b5e634SDaniel Mack char **itemlist = (char **)kctl->private_value; 2569f0b5e634SDaniel Mack for (i = 0; i < num_ins; i++) 2570f0b5e634SDaniel Mack kfree(itemlist[i]); 2571f0b5e634SDaniel Mack kfree(itemlist); 2572f0b5e634SDaniel Mack kctl->private_value = 0; 2573f0b5e634SDaniel Mack } 2574f0b5e634SDaniel Mack } 2575f0b5e634SDaniel Mack 2576f0b5e634SDaniel Mack /* 2577f0b5e634SDaniel Mack * parse a selector unit 2578f0b5e634SDaniel Mack */ 25796bc170e4SDaniel Mack static int parse_audio_selector_unit(struct mixer_build *state, int unitid, 25806bc170e4SDaniel Mack void *raw_desc) 2581f0b5e634SDaniel Mack { 258299fc8645SDaniel Mack struct uac_selector_unit_descriptor *desc = raw_desc; 2583f0b5e634SDaniel Mack unsigned int i, nameid, len; 2584f0b5e634SDaniel Mack int err; 2585f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval; 2586f0b5e634SDaniel Mack struct snd_kcontrol *kctl; 2587f0b5e634SDaniel Mack const struct usbmix_name_map *map; 2588f0b5e634SDaniel Mack char **namelist; 2589f0b5e634SDaniel Mack 2590f658f17bSTakashi Iwai if (desc->bLength < 5 || !desc->bNrInPins || 2591f658f17bSTakashi Iwai desc->bLength < 5 + desc->bNrInPins) { 25920ba41d91STakashi Iwai usb_audio_err(state->chip, 25930ba41d91STakashi Iwai "invalid SELECTOR UNIT descriptor %d\n", unitid); 2594f0b5e634SDaniel Mack return -EINVAL; 2595f0b5e634SDaniel Mack } 2596f0b5e634SDaniel Mack 259799fc8645SDaniel Mack for (i = 0; i < desc->bNrInPins; i++) { 2598f25ecf8fSTakashi Iwai err = parse_audio_unit(state, desc->baSourceID[i]); 2599f25ecf8fSTakashi Iwai if (err < 0) 2600f0b5e634SDaniel Mack return err; 2601f0b5e634SDaniel Mack } 2602f0b5e634SDaniel Mack 260399fc8645SDaniel Mack if (desc->bNrInPins == 1) /* only one ? nonsense! */ 2604f0b5e634SDaniel Mack return 0; 2605f0b5e634SDaniel Mack 260617156f23SRuslan Bilovol map = find_map(state->map, unitid, 0); 2607f0b5e634SDaniel Mack if (check_ignored_ctl(map)) 2608f0b5e634SDaniel Mack return 0; 2609f0b5e634SDaniel Mack 2610f0b5e634SDaniel Mack cval = kzalloc(sizeof(*cval), GFP_KERNEL); 2611a860d95fSDaniel Mack if (!cval) 2612f0b5e634SDaniel Mack return -ENOMEM; 26133360b84bSTakashi Iwai snd_usb_mixer_elem_init_std(&cval->head, state->mixer, unitid); 2614f0b5e634SDaniel Mack cval->val_type = USB_MIXER_U8; 2615f0b5e634SDaniel Mack cval->channels = 1; 2616f0b5e634SDaniel Mack cval->min = 1; 261799fc8645SDaniel Mack cval->max = desc->bNrInPins; 2618f0b5e634SDaniel Mack cval->res = 1; 2619f0b5e634SDaniel Mack cval->initialized = 1; 2620f0b5e634SDaniel Mack 2621c77e1ef1SJorge Sanjuan switch (state->mixer->protocol) { 2622c77e1ef1SJorge Sanjuan case UAC_VERSION_1: 2623c77e1ef1SJorge Sanjuan default: 262409414207SDaniel Mack cval->control = 0; 2625c77e1ef1SJorge Sanjuan break; 2626c77e1ef1SJorge Sanjuan case UAC_VERSION_2: 2627c77e1ef1SJorge Sanjuan case UAC_VERSION_3: 2628c77e1ef1SJorge Sanjuan if (desc->bDescriptorSubtype == UAC2_CLOCK_SELECTOR || 2629c77e1ef1SJorge Sanjuan desc->bDescriptorSubtype == UAC3_CLOCK_SELECTOR) 2630c77e1ef1SJorge Sanjuan cval->control = UAC2_CX_CLOCK_SELECTOR; 2631c77e1ef1SJorge Sanjuan else /* UAC2/3_SELECTOR_UNIT */ 2632c77e1ef1SJorge Sanjuan cval->control = UAC2_SU_SELECTOR; 2633c77e1ef1SJorge Sanjuan break; 2634c77e1ef1SJorge Sanjuan } 263509414207SDaniel Mack 26366da2ec56SKees Cook namelist = kmalloc_array(desc->bNrInPins, sizeof(char *), GFP_KERNEL); 2637f0b5e634SDaniel Mack if (!namelist) { 2638f0b5e634SDaniel Mack kfree(cval); 2639f0b5e634SDaniel Mack return -ENOMEM; 2640f0b5e634SDaniel Mack } 2641f0b5e634SDaniel Mack #define MAX_ITEM_NAME_LEN 64 264299fc8645SDaniel Mack for (i = 0; i < desc->bNrInPins; i++) { 2643f0b5e634SDaniel Mack struct usb_audio_term iterm; 2644f0b5e634SDaniel Mack len = 0; 2645f0b5e634SDaniel Mack namelist[i] = kmalloc(MAX_ITEM_NAME_LEN, GFP_KERNEL); 2646f0b5e634SDaniel Mack if (!namelist[i]) { 2647f0b5e634SDaniel Mack while (i--) 2648f0b5e634SDaniel Mack kfree(namelist[i]); 2649f0b5e634SDaniel Mack kfree(namelist); 2650f0b5e634SDaniel Mack kfree(cval); 2651f0b5e634SDaniel Mack return -ENOMEM; 2652f0b5e634SDaniel Mack } 2653f0b5e634SDaniel Mack len = check_mapped_selector_name(state, unitid, i, namelist[i], 2654f0b5e634SDaniel Mack MAX_ITEM_NAME_LEN); 265599fc8645SDaniel Mack if (! len && check_input_term(state, desc->baSourceID[i], &iterm) >= 0) 2656eccfc1b8SRuslan Bilovol len = get_term_name(state->chip, &iterm, namelist[i], 2657eccfc1b8SRuslan Bilovol MAX_ITEM_NAME_LEN, 0); 2658f0b5e634SDaniel Mack if (! len) 2659af831eefSMasanari Iida sprintf(namelist[i], "Input %u", i); 2660f0b5e634SDaniel Mack } 2661f0b5e634SDaniel Mack 2662f0b5e634SDaniel Mack kctl = snd_ctl_new1(&mixer_selectunit_ctl, cval); 2663f0b5e634SDaniel Mack if (! kctl) { 26640ba41d91STakashi Iwai usb_audio_err(state->chip, "cannot malloc kcontrol\n"); 2665f0b5e634SDaniel Mack kfree(namelist); 2666f0b5e634SDaniel Mack kfree(cval); 2667f0b5e634SDaniel Mack return -ENOMEM; 2668f0b5e634SDaniel Mack } 2669f0b5e634SDaniel Mack kctl->private_value = (unsigned long)namelist; 2670f0b5e634SDaniel Mack kctl->private_free = usb_mixer_selector_elem_free; 2671f0b5e634SDaniel Mack 26725a15f289STakashi Iwai /* check the static mapping table at first */ 2673f0b5e634SDaniel Mack len = check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name)); 26745a15f289STakashi Iwai if (!len) { 26755a15f289STakashi Iwai /* no mapping ? */ 2676c77e1ef1SJorge Sanjuan switch (state->mixer->protocol) { 2677c77e1ef1SJorge Sanjuan case UAC_VERSION_1: 2678c77e1ef1SJorge Sanjuan case UAC_VERSION_2: 2679c77e1ef1SJorge Sanjuan default: 26805a15f289STakashi Iwai /* if iSelector is given, use it */ 26815a15f289STakashi Iwai nameid = uac_selector_unit_iSelector(desc); 26825a15f289STakashi Iwai if (nameid) 2683c77e1ef1SJorge Sanjuan len = snd_usb_copy_string_desc(state->chip, 2684c77e1ef1SJorge Sanjuan nameid, kctl->id.name, 26856bc170e4SDaniel Mack sizeof(kctl->id.name)); 2686c77e1ef1SJorge Sanjuan break; 2687c77e1ef1SJorge Sanjuan case UAC_VERSION_3: 2688c77e1ef1SJorge Sanjuan /* TODO: Class-Specific strings not yet supported */ 2689c77e1ef1SJorge Sanjuan break; 2690c77e1ef1SJorge Sanjuan } 2691c77e1ef1SJorge Sanjuan 26925a15f289STakashi Iwai /* ... or pick up the terminal name at next */ 26935a15f289STakashi Iwai if (!len) 2694eccfc1b8SRuslan Bilovol len = get_term_name(state->chip, &state->oterm, 2695f0b5e634SDaniel Mack kctl->id.name, sizeof(kctl->id.name), 0); 26965a15f289STakashi Iwai /* ... or use the fixed string "USB" as the last resort */ 2697f0b5e634SDaniel Mack if (!len) 2698f0b5e634SDaniel Mack strlcpy(kctl->id.name, "USB", sizeof(kctl->id.name)); 2699f0b5e634SDaniel Mack 27005a15f289STakashi Iwai /* and add the proper suffix */ 2701c77e1ef1SJorge Sanjuan if (desc->bDescriptorSubtype == UAC2_CLOCK_SELECTOR || 2702c77e1ef1SJorge Sanjuan desc->bDescriptorSubtype == UAC3_CLOCK_SELECTOR) 270309414207SDaniel Mack append_ctl_name(kctl, " Clock Source"); 270409414207SDaniel Mack else if ((state->oterm.type & 0xff00) == 0x0100) 2705f0b5e634SDaniel Mack append_ctl_name(kctl, " Capture Source"); 2706f0b5e634SDaniel Mack else 2707f0b5e634SDaniel Mack append_ctl_name(kctl, " Playback Source"); 2708f0b5e634SDaniel Mack } 2709f0b5e634SDaniel Mack 27100ba41d91STakashi Iwai usb_audio_dbg(state->chip, "[%d] SU [%s] items = %d\n", 27113360b84bSTakashi Iwai cval->head.id, kctl->id.name, desc->bNrInPins); 27123360b84bSTakashi Iwai return snd_usb_mixer_add_control(&cval->head, kctl); 2713f0b5e634SDaniel Mack } 2714f0b5e634SDaniel Mack 2715f0b5e634SDaniel Mack /* 2716f0b5e634SDaniel Mack * parse an audio unit recursively 2717f0b5e634SDaniel Mack */ 2718f0b5e634SDaniel Mack 2719f0b5e634SDaniel Mack static int parse_audio_unit(struct mixer_build *state, int unitid) 2720f0b5e634SDaniel Mack { 2721f0b5e634SDaniel Mack unsigned char *p1; 27229a2fe9b8SRuslan Bilovol int protocol = state->mixer->protocol; 2723f0b5e634SDaniel Mack 2724f0b5e634SDaniel Mack if (test_and_set_bit(unitid, state->unitbitmap)) 2725f0b5e634SDaniel Mack return 0; /* the unit already visited */ 2726f0b5e634SDaniel Mack 2727f0b5e634SDaniel Mack p1 = find_audio_control_unit(state, unitid); 2728f0b5e634SDaniel Mack if (!p1) { 27290ba41d91STakashi Iwai usb_audio_err(state->chip, "unit %d not found!\n", unitid); 2730f0b5e634SDaniel Mack return -EINVAL; 2731f0b5e634SDaniel Mack } 2732f0b5e634SDaniel Mack 27339a2fe9b8SRuslan Bilovol if (protocol == UAC_VERSION_1 || protocol == UAC_VERSION_2) { 2734f0b5e634SDaniel Mack switch (p1[2]) { 2735f0b5e634SDaniel Mack case UAC_INPUT_TERMINAL: 27365a222e84SAndrew Chant return parse_audio_input_terminal(state, unitid, p1); 2737f0b5e634SDaniel Mack case UAC_MIXER_UNIT: 2738f0b5e634SDaniel Mack return parse_audio_mixer_unit(state, unitid, p1); 2739cddaafb9SDaniel Mack case UAC2_CLOCK_SOURCE: 2740cddaafb9SDaniel Mack return parse_clock_source_unit(state, unitid, p1); 2741f0b5e634SDaniel Mack case UAC_SELECTOR_UNIT: 274209414207SDaniel Mack case UAC2_CLOCK_SELECTOR: 2743f0b5e634SDaniel Mack return parse_audio_selector_unit(state, unitid, p1); 2744f0b5e634SDaniel Mack case UAC_FEATURE_UNIT: 2745f0b5e634SDaniel Mack return parse_audio_feature_unit(state, unitid, p1); 274669da9bcbSDaniel Mack case UAC1_PROCESSING_UNIT: 274723caaf19SDaniel Mack /* UAC2_EFFECT_UNIT has the same value */ 27489a2fe9b8SRuslan Bilovol if (protocol == UAC_VERSION_1) 2749f0b5e634SDaniel Mack return parse_audio_processing_unit(state, unitid, p1); 275023caaf19SDaniel Mack else 275123caaf19SDaniel Mack return 0; /* FIXME - effect units not implemented yet */ 275269da9bcbSDaniel Mack case UAC1_EXTENSION_UNIT: 275323caaf19SDaniel Mack /* UAC2_PROCESSING_UNIT_V2 has the same value */ 27549a2fe9b8SRuslan Bilovol if (protocol == UAC_VERSION_1) 2755f0b5e634SDaniel Mack return parse_audio_extension_unit(state, unitid, p1); 275623caaf19SDaniel Mack else /* UAC_VERSION_2 */ 275723caaf19SDaniel Mack return parse_audio_processing_unit(state, unitid, p1); 275861ac5130STorstein Hegge case UAC2_EXTENSION_UNIT_V2: 275961ac5130STorstein Hegge return parse_audio_extension_unit(state, unitid, p1); 2760f0b5e634SDaniel Mack default: 27610ba41d91STakashi Iwai usb_audio_err(state->chip, 27620ba41d91STakashi Iwai "unit %u: unexpected type 0x%02x\n", unitid, p1[2]); 2763f0b5e634SDaniel Mack return -EINVAL; 2764f0b5e634SDaniel Mack } 27659a2fe9b8SRuslan Bilovol } else { /* UAC_VERSION_3 */ 27669a2fe9b8SRuslan Bilovol switch (p1[2]) { 27679a2fe9b8SRuslan Bilovol case UAC_INPUT_TERMINAL: 27681d38f5d8SJorge Sanjuan return parse_audio_input_terminal(state, unitid, p1); 27699a2fe9b8SRuslan Bilovol case UAC3_MIXER_UNIT: 27709a2fe9b8SRuslan Bilovol return parse_audio_mixer_unit(state, unitid, p1); 27719a2fe9b8SRuslan Bilovol case UAC3_CLOCK_SOURCE: 27729a2fe9b8SRuslan Bilovol return parse_clock_source_unit(state, unitid, p1); 2773c77e1ef1SJorge Sanjuan case UAC3_SELECTOR_UNIT: 27749a2fe9b8SRuslan Bilovol case UAC3_CLOCK_SELECTOR: 27759a2fe9b8SRuslan Bilovol return parse_audio_selector_unit(state, unitid, p1); 27769a2fe9b8SRuslan Bilovol case UAC3_FEATURE_UNIT: 27779a2fe9b8SRuslan Bilovol return parse_audio_feature_unit(state, unitid, p1); 27789a2fe9b8SRuslan Bilovol case UAC3_EFFECT_UNIT: 27799a2fe9b8SRuslan Bilovol return 0; /* FIXME - effect units not implemented yet */ 27809a2fe9b8SRuslan Bilovol case UAC3_PROCESSING_UNIT: 27819a2fe9b8SRuslan Bilovol return parse_audio_processing_unit(state, unitid, p1); 27829a2fe9b8SRuslan Bilovol case UAC3_EXTENSION_UNIT: 27839a2fe9b8SRuslan Bilovol return parse_audio_extension_unit(state, unitid, p1); 27849a2fe9b8SRuslan Bilovol default: 27859a2fe9b8SRuslan Bilovol usb_audio_err(state->chip, 27869a2fe9b8SRuslan Bilovol "unit %u: unexpected type 0x%02x\n", unitid, p1[2]); 27879a2fe9b8SRuslan Bilovol return -EINVAL; 27889a2fe9b8SRuslan Bilovol } 27899a2fe9b8SRuslan Bilovol } 2790f0b5e634SDaniel Mack } 2791f0b5e634SDaniel Mack 2792f0b5e634SDaniel Mack static void snd_usb_mixer_free(struct usb_mixer_interface *mixer) 2793f0b5e634SDaniel Mack { 2794124751d5STakashi Iwai /* kill pending URBs */ 2795124751d5STakashi Iwai snd_usb_mixer_disconnect(mixer); 2796124751d5STakashi Iwai 2797f0b5e634SDaniel Mack kfree(mixer->id_elems); 2798f0b5e634SDaniel Mack if (mixer->urb) { 2799f0b5e634SDaniel Mack kfree(mixer->urb->transfer_buffer); 2800f0b5e634SDaniel Mack usb_free_urb(mixer->urb); 2801f0b5e634SDaniel Mack } 2802f0b5e634SDaniel Mack usb_free_urb(mixer->rc_urb); 2803f0b5e634SDaniel Mack kfree(mixer->rc_setup_packet); 2804f0b5e634SDaniel Mack kfree(mixer); 2805f0b5e634SDaniel Mack } 2806f0b5e634SDaniel Mack 2807f0b5e634SDaniel Mack static int snd_usb_mixer_dev_free(struct snd_device *device) 2808f0b5e634SDaniel Mack { 2809f0b5e634SDaniel Mack struct usb_mixer_interface *mixer = device->device_data; 2810f0b5e634SDaniel Mack snd_usb_mixer_free(mixer); 2811f0b5e634SDaniel Mack return 0; 2812f0b5e634SDaniel Mack } 2813f0b5e634SDaniel Mack 281417156f23SRuslan Bilovol /* UAC3 predefined channels configuration */ 281517156f23SRuslan Bilovol struct uac3_badd_profile { 281617156f23SRuslan Bilovol int subclass; 281717156f23SRuslan Bilovol const char *name; 281817156f23SRuslan Bilovol int c_chmask; /* capture channels mask */ 281917156f23SRuslan Bilovol int p_chmask; /* playback channels mask */ 282017156f23SRuslan Bilovol int st_chmask; /* side tone mixing channel mask */ 282117156f23SRuslan Bilovol }; 282217156f23SRuslan Bilovol 282317156f23SRuslan Bilovol static struct uac3_badd_profile uac3_badd_profiles[] = { 282417156f23SRuslan Bilovol { 282517156f23SRuslan Bilovol /* 282617156f23SRuslan Bilovol * BAIF, BAOF or combination of both 282717156f23SRuslan Bilovol * IN: Mono or Stereo cfg, Mono alt possible 282817156f23SRuslan Bilovol * OUT: Mono or Stereo cfg, Mono alt possible 282917156f23SRuslan Bilovol */ 283017156f23SRuslan Bilovol .subclass = UAC3_FUNCTION_SUBCLASS_GENERIC_IO, 283117156f23SRuslan Bilovol .name = "GENERIC IO", 283217156f23SRuslan Bilovol .c_chmask = -1, /* dynamic channels */ 283317156f23SRuslan Bilovol .p_chmask = -1, /* dynamic channels */ 283417156f23SRuslan Bilovol }, 283517156f23SRuslan Bilovol { 283617156f23SRuslan Bilovol /* BAOF; Stereo only cfg, Mono alt possible */ 283717156f23SRuslan Bilovol .subclass = UAC3_FUNCTION_SUBCLASS_HEADPHONE, 283817156f23SRuslan Bilovol .name = "HEADPHONE", 283917156f23SRuslan Bilovol .p_chmask = 3, 284017156f23SRuslan Bilovol }, 284117156f23SRuslan Bilovol { 284217156f23SRuslan Bilovol /* BAOF; Mono or Stereo cfg, Mono alt possible */ 284317156f23SRuslan Bilovol .subclass = UAC3_FUNCTION_SUBCLASS_SPEAKER, 284417156f23SRuslan Bilovol .name = "SPEAKER", 284517156f23SRuslan Bilovol .p_chmask = -1, /* dynamic channels */ 284617156f23SRuslan Bilovol }, 284717156f23SRuslan Bilovol { 284817156f23SRuslan Bilovol /* BAIF; Mono or Stereo cfg, Mono alt possible */ 284917156f23SRuslan Bilovol .subclass = UAC3_FUNCTION_SUBCLASS_MICROPHONE, 285017156f23SRuslan Bilovol .name = "MICROPHONE", 285117156f23SRuslan Bilovol .c_chmask = -1, /* dynamic channels */ 285217156f23SRuslan Bilovol }, 285317156f23SRuslan Bilovol { 285417156f23SRuslan Bilovol /* 285517156f23SRuslan Bilovol * BAIOF topology 285617156f23SRuslan Bilovol * IN: Mono only 285717156f23SRuslan Bilovol * OUT: Mono or Stereo cfg, Mono alt possible 285817156f23SRuslan Bilovol */ 285917156f23SRuslan Bilovol .subclass = UAC3_FUNCTION_SUBCLASS_HEADSET, 286017156f23SRuslan Bilovol .name = "HEADSET", 286117156f23SRuslan Bilovol .c_chmask = 1, 286217156f23SRuslan Bilovol .p_chmask = -1, /* dynamic channels */ 286317156f23SRuslan Bilovol .st_chmask = 1, 286417156f23SRuslan Bilovol }, 286517156f23SRuslan Bilovol { 286617156f23SRuslan Bilovol /* BAIOF; IN: Mono only; OUT: Stereo only, Mono alt possible */ 286717156f23SRuslan Bilovol .subclass = UAC3_FUNCTION_SUBCLASS_HEADSET_ADAPTER, 286817156f23SRuslan Bilovol .name = "HEADSET ADAPTER", 286917156f23SRuslan Bilovol .c_chmask = 1, 287017156f23SRuslan Bilovol .p_chmask = 3, 287117156f23SRuslan Bilovol .st_chmask = 1, 287217156f23SRuslan Bilovol }, 287317156f23SRuslan Bilovol { 287417156f23SRuslan Bilovol /* BAIF + BAOF; IN: Mono only; OUT: Mono only */ 287517156f23SRuslan Bilovol .subclass = UAC3_FUNCTION_SUBCLASS_SPEAKERPHONE, 287617156f23SRuslan Bilovol .name = "SPEAKERPHONE", 287717156f23SRuslan Bilovol .c_chmask = 1, 287817156f23SRuslan Bilovol .p_chmask = 1, 287917156f23SRuslan Bilovol }, 288017156f23SRuslan Bilovol { 0 } /* terminator */ 288117156f23SRuslan Bilovol }; 288217156f23SRuslan Bilovol 288317156f23SRuslan Bilovol static bool uac3_badd_func_has_valid_channels(struct usb_mixer_interface *mixer, 288417156f23SRuslan Bilovol struct uac3_badd_profile *f, 288517156f23SRuslan Bilovol int c_chmask, int p_chmask) 288617156f23SRuslan Bilovol { 288717156f23SRuslan Bilovol /* 288817156f23SRuslan Bilovol * If both playback/capture channels are dynamic, make sure 288917156f23SRuslan Bilovol * at least one channel is present 289017156f23SRuslan Bilovol */ 289117156f23SRuslan Bilovol if (f->c_chmask < 0 && f->p_chmask < 0) { 289217156f23SRuslan Bilovol if (!c_chmask && !p_chmask) { 289317156f23SRuslan Bilovol usb_audio_warn(mixer->chip, "BAAD %s: no channels?", 289417156f23SRuslan Bilovol f->name); 289517156f23SRuslan Bilovol return false; 289617156f23SRuslan Bilovol } 289717156f23SRuslan Bilovol return true; 289817156f23SRuslan Bilovol } 289917156f23SRuslan Bilovol 290017156f23SRuslan Bilovol if ((f->c_chmask < 0 && !c_chmask) || 290117156f23SRuslan Bilovol (f->c_chmask >= 0 && f->c_chmask != c_chmask)) { 290217156f23SRuslan Bilovol usb_audio_warn(mixer->chip, "BAAD %s c_chmask mismatch", 290317156f23SRuslan Bilovol f->name); 290417156f23SRuslan Bilovol return false; 290517156f23SRuslan Bilovol } 290617156f23SRuslan Bilovol if ((f->p_chmask < 0 && !p_chmask) || 290717156f23SRuslan Bilovol (f->p_chmask >= 0 && f->p_chmask != p_chmask)) { 290817156f23SRuslan Bilovol usb_audio_warn(mixer->chip, "BAAD %s p_chmask mismatch", 290917156f23SRuslan Bilovol f->name); 291017156f23SRuslan Bilovol return false; 291117156f23SRuslan Bilovol } 291217156f23SRuslan Bilovol return true; 291317156f23SRuslan Bilovol } 291417156f23SRuslan Bilovol 291517156f23SRuslan Bilovol /* 291617156f23SRuslan Bilovol * create mixer controls for UAC3 BADD profiles 291717156f23SRuslan Bilovol * 291817156f23SRuslan Bilovol * UAC3 BADD device doesn't contain CS descriptors thus we will guess everything 291917156f23SRuslan Bilovol * 292017156f23SRuslan Bilovol * BADD device may contain Mixer Unit, which doesn't have any controls, skip it 292117156f23SRuslan Bilovol */ 292217156f23SRuslan Bilovol static int snd_usb_mixer_controls_badd(struct usb_mixer_interface *mixer, 292317156f23SRuslan Bilovol int ctrlif) 292417156f23SRuslan Bilovol { 292517156f23SRuslan Bilovol struct usb_device *dev = mixer->chip->dev; 292617156f23SRuslan Bilovol struct usb_interface_assoc_descriptor *assoc; 292717156f23SRuslan Bilovol int badd_profile = mixer->chip->badd_profile; 292817156f23SRuslan Bilovol struct uac3_badd_profile *f; 292917156f23SRuslan Bilovol const struct usbmix_ctl_map *map; 293017156f23SRuslan Bilovol int p_chmask = 0, c_chmask = 0, st_chmask = 0; 293117156f23SRuslan Bilovol int i; 293217156f23SRuslan Bilovol 293317156f23SRuslan Bilovol assoc = usb_ifnum_to_if(dev, ctrlif)->intf_assoc; 293417156f23SRuslan Bilovol 293517156f23SRuslan Bilovol /* Detect BADD capture/playback channels from AS EP descriptors */ 293617156f23SRuslan Bilovol for (i = 0; i < assoc->bInterfaceCount; i++) { 293717156f23SRuslan Bilovol int intf = assoc->bFirstInterface + i; 293817156f23SRuslan Bilovol 293917156f23SRuslan Bilovol struct usb_interface *iface; 294017156f23SRuslan Bilovol struct usb_host_interface *alts; 294117156f23SRuslan Bilovol struct usb_interface_descriptor *altsd; 294217156f23SRuslan Bilovol unsigned int maxpacksize; 294317156f23SRuslan Bilovol char dir_in; 294417156f23SRuslan Bilovol int chmask, num; 294517156f23SRuslan Bilovol 294617156f23SRuslan Bilovol if (intf == ctrlif) 294717156f23SRuslan Bilovol continue; 294817156f23SRuslan Bilovol 294917156f23SRuslan Bilovol iface = usb_ifnum_to_if(dev, intf); 295017156f23SRuslan Bilovol num = iface->num_altsetting; 295117156f23SRuslan Bilovol 295217156f23SRuslan Bilovol if (num < 2) 295317156f23SRuslan Bilovol return -EINVAL; 295417156f23SRuslan Bilovol 295517156f23SRuslan Bilovol /* 295617156f23SRuslan Bilovol * The number of Channels in an AudioStreaming interface 295717156f23SRuslan Bilovol * and the audio sample bit resolution (16 bits or 24 295817156f23SRuslan Bilovol * bits) can be derived from the wMaxPacketSize field in 295917156f23SRuslan Bilovol * the Standard AS Audio Data Endpoint descriptor in 296017156f23SRuslan Bilovol * Alternate Setting 1 296117156f23SRuslan Bilovol */ 296217156f23SRuslan Bilovol alts = &iface->altsetting[1]; 296317156f23SRuslan Bilovol altsd = get_iface_desc(alts); 296417156f23SRuslan Bilovol 296517156f23SRuslan Bilovol if (altsd->bNumEndpoints < 1) 296617156f23SRuslan Bilovol return -EINVAL; 296717156f23SRuslan Bilovol 296817156f23SRuslan Bilovol /* check direction */ 296917156f23SRuslan Bilovol dir_in = (get_endpoint(alts, 0)->bEndpointAddress & USB_DIR_IN); 297017156f23SRuslan Bilovol maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize); 297117156f23SRuslan Bilovol 297217156f23SRuslan Bilovol switch (maxpacksize) { 297317156f23SRuslan Bilovol default: 297417156f23SRuslan Bilovol usb_audio_err(mixer->chip, 297517156f23SRuslan Bilovol "incorrect wMaxPacketSize 0x%x for BADD profile\n", 297617156f23SRuslan Bilovol maxpacksize); 297717156f23SRuslan Bilovol return -EINVAL; 297817156f23SRuslan Bilovol case UAC3_BADD_EP_MAXPSIZE_SYNC_MONO_16: 297917156f23SRuslan Bilovol case UAC3_BADD_EP_MAXPSIZE_ASYNC_MONO_16: 298017156f23SRuslan Bilovol case UAC3_BADD_EP_MAXPSIZE_SYNC_MONO_24: 298117156f23SRuslan Bilovol case UAC3_BADD_EP_MAXPSIZE_ASYNC_MONO_24: 298217156f23SRuslan Bilovol chmask = 1; 298317156f23SRuslan Bilovol break; 298417156f23SRuslan Bilovol case UAC3_BADD_EP_MAXPSIZE_SYNC_STEREO_16: 298517156f23SRuslan Bilovol case UAC3_BADD_EP_MAXPSIZE_ASYNC_STEREO_16: 298617156f23SRuslan Bilovol case UAC3_BADD_EP_MAXPSIZE_SYNC_STEREO_24: 298717156f23SRuslan Bilovol case UAC3_BADD_EP_MAXPSIZE_ASYNC_STEREO_24: 298817156f23SRuslan Bilovol chmask = 3; 298917156f23SRuslan Bilovol break; 299017156f23SRuslan Bilovol } 299117156f23SRuslan Bilovol 299217156f23SRuslan Bilovol if (dir_in) 299317156f23SRuslan Bilovol c_chmask = chmask; 299417156f23SRuslan Bilovol else 299517156f23SRuslan Bilovol p_chmask = chmask; 299617156f23SRuslan Bilovol } 299717156f23SRuslan Bilovol 299817156f23SRuslan Bilovol usb_audio_dbg(mixer->chip, 299917156f23SRuslan Bilovol "UAC3 BADD profile 0x%x: detected c_chmask=%d p_chmask=%d\n", 300017156f23SRuslan Bilovol badd_profile, c_chmask, p_chmask); 300117156f23SRuslan Bilovol 300217156f23SRuslan Bilovol /* check the mapping table */ 300317156f23SRuslan Bilovol for (map = uac3_badd_usbmix_ctl_maps; map->id; map++) { 300417156f23SRuslan Bilovol if (map->id == badd_profile) 300517156f23SRuslan Bilovol break; 300617156f23SRuslan Bilovol } 300717156f23SRuslan Bilovol 300817156f23SRuslan Bilovol if (!map->id) 300917156f23SRuslan Bilovol return -EINVAL; 301017156f23SRuslan Bilovol 301117156f23SRuslan Bilovol for (f = uac3_badd_profiles; f->name; f++) { 301217156f23SRuslan Bilovol if (badd_profile == f->subclass) 301317156f23SRuslan Bilovol break; 301417156f23SRuslan Bilovol } 301517156f23SRuslan Bilovol if (!f->name) 301617156f23SRuslan Bilovol return -EINVAL; 301717156f23SRuslan Bilovol if (!uac3_badd_func_has_valid_channels(mixer, f, c_chmask, p_chmask)) 301817156f23SRuslan Bilovol return -EINVAL; 301917156f23SRuslan Bilovol st_chmask = f->st_chmask; 302017156f23SRuslan Bilovol 302117156f23SRuslan Bilovol /* Playback */ 302217156f23SRuslan Bilovol if (p_chmask) { 302317156f23SRuslan Bilovol /* Master channel, always writable */ 302417156f23SRuslan Bilovol build_feature_ctl_badd(mixer, 0, UAC_FU_MUTE, 302517156f23SRuslan Bilovol UAC3_BADD_FU_ID2, map->map); 302617156f23SRuslan Bilovol /* Mono/Stereo volume channels, always writable */ 302717156f23SRuslan Bilovol build_feature_ctl_badd(mixer, p_chmask, UAC_FU_VOLUME, 302817156f23SRuslan Bilovol UAC3_BADD_FU_ID2, map->map); 302917156f23SRuslan Bilovol } 303017156f23SRuslan Bilovol 303117156f23SRuslan Bilovol /* Capture */ 303217156f23SRuslan Bilovol if (c_chmask) { 303317156f23SRuslan Bilovol /* Master channel, always writable */ 303417156f23SRuslan Bilovol build_feature_ctl_badd(mixer, 0, UAC_FU_MUTE, 303517156f23SRuslan Bilovol UAC3_BADD_FU_ID5, map->map); 303617156f23SRuslan Bilovol /* Mono/Stereo volume channels, always writable */ 303717156f23SRuslan Bilovol build_feature_ctl_badd(mixer, c_chmask, UAC_FU_VOLUME, 303817156f23SRuslan Bilovol UAC3_BADD_FU_ID5, map->map); 303917156f23SRuslan Bilovol } 304017156f23SRuslan Bilovol 304117156f23SRuslan Bilovol /* Side tone-mixing */ 304217156f23SRuslan Bilovol if (st_chmask) { 304317156f23SRuslan Bilovol /* Master channel, always writable */ 304417156f23SRuslan Bilovol build_feature_ctl_badd(mixer, 0, UAC_FU_MUTE, 304517156f23SRuslan Bilovol UAC3_BADD_FU_ID7, map->map); 304617156f23SRuslan Bilovol /* Mono volume channel, always writable */ 304717156f23SRuslan Bilovol build_feature_ctl_badd(mixer, 1, UAC_FU_VOLUME, 304817156f23SRuslan Bilovol UAC3_BADD_FU_ID7, map->map); 304917156f23SRuslan Bilovol } 305017156f23SRuslan Bilovol 30513528cd8fSJorge Sanjuan /* Insertion Control */ 30523528cd8fSJorge Sanjuan if (f->subclass == UAC3_FUNCTION_SUBCLASS_HEADSET_ADAPTER) { 30533528cd8fSJorge Sanjuan struct usb_audio_term iterm, oterm; 30543528cd8fSJorge Sanjuan 30553528cd8fSJorge Sanjuan /* Input Term - Insertion control */ 30563528cd8fSJorge Sanjuan memset(&iterm, 0, sizeof(iterm)); 30573528cd8fSJorge Sanjuan iterm.id = UAC3_BADD_IT_ID4; 30583528cd8fSJorge Sanjuan iterm.type = UAC_BIDIR_TERMINAL_HEADSET; 30593528cd8fSJorge Sanjuan build_connector_control(mixer, &iterm, true); 30603528cd8fSJorge Sanjuan 30613528cd8fSJorge Sanjuan /* Output Term - Insertion control */ 30623528cd8fSJorge Sanjuan memset(&oterm, 0, sizeof(oterm)); 30633528cd8fSJorge Sanjuan oterm.id = UAC3_BADD_OT_ID3; 30643528cd8fSJorge Sanjuan oterm.type = UAC_BIDIR_TERMINAL_HEADSET; 30653528cd8fSJorge Sanjuan build_connector_control(mixer, &oterm, false); 30663528cd8fSJorge Sanjuan } 30673528cd8fSJorge Sanjuan 306817156f23SRuslan Bilovol return 0; 306917156f23SRuslan Bilovol } 307017156f23SRuslan Bilovol 3071f0b5e634SDaniel Mack /* 3072f0b5e634SDaniel Mack * create mixer controls 3073f0b5e634SDaniel Mack * 3074f0b5e634SDaniel Mack * walk through all UAC_OUTPUT_TERMINAL descriptors to search for mixers 3075f0b5e634SDaniel Mack */ 3076f0b5e634SDaniel Mack static int snd_usb_mixer_controls(struct usb_mixer_interface *mixer) 3077f0b5e634SDaniel Mack { 3078f0b5e634SDaniel Mack struct mixer_build state; 3079f0b5e634SDaniel Mack int err; 3080f0b5e634SDaniel Mack const struct usbmix_ctl_map *map; 308123caaf19SDaniel Mack void *p; 3082f0b5e634SDaniel Mack 3083f0b5e634SDaniel Mack memset(&state, 0, sizeof(state)); 3084f0b5e634SDaniel Mack state.chip = mixer->chip; 3085f0b5e634SDaniel Mack state.mixer = mixer; 30861faa5d07SDaniel Mack state.buffer = mixer->hostif->extra; 30871faa5d07SDaniel Mack state.buflen = mixer->hostif->extralen; 3088f0b5e634SDaniel Mack 3089f0b5e634SDaniel Mack /* check the mapping table */ 3090f0b5e634SDaniel Mack for (map = usbmix_ctl_maps; map->id; map++) { 3091f0b5e634SDaniel Mack if (map->id == state.chip->usb_id) { 3092f0b5e634SDaniel Mack state.map = map->map; 3093f0b5e634SDaniel Mack state.selector_map = map->selector_map; 3094f0b5e634SDaniel Mack mixer->ignore_ctl_error = map->ignore_ctl_error; 3095f0b5e634SDaniel Mack break; 3096f0b5e634SDaniel Mack } 3097f0b5e634SDaniel Mack } 3098f0b5e634SDaniel Mack 309923caaf19SDaniel Mack p = NULL; 31006bc170e4SDaniel Mack while ((p = snd_usb_find_csint_desc(mixer->hostif->extra, 31016bc170e4SDaniel Mack mixer->hostif->extralen, 31021faa5d07SDaniel Mack p, UAC_OUTPUT_TERMINAL)) != NULL) { 310323caaf19SDaniel Mack if (mixer->protocol == UAC_VERSION_1) { 310469da9bcbSDaniel Mack struct uac1_output_terminal_descriptor *desc = p; 310523caaf19SDaniel Mack 310623caaf19SDaniel Mack if (desc->bLength < sizeof(*desc)) 310723caaf19SDaniel Mack continue; /* invalid descriptor? */ 31086bc170e4SDaniel Mack /* mark terminal ID as visited */ 31096bc170e4SDaniel Mack set_bit(desc->bTerminalID, state.unitbitmap); 311023caaf19SDaniel Mack state.oterm.id = desc->bTerminalID; 311123caaf19SDaniel Mack state.oterm.type = le16_to_cpu(desc->wTerminalType); 311223caaf19SDaniel Mack state.oterm.name = desc->iTerminal; 311323caaf19SDaniel Mack err = parse_audio_unit(&state, desc->bSourceID); 311483ea5d18SDaniel Mack if (err < 0 && err != -EINVAL) 311523caaf19SDaniel Mack return err; 31169a2fe9b8SRuslan Bilovol } else if (mixer->protocol == UAC_VERSION_2) { 311723caaf19SDaniel Mack struct uac2_output_terminal_descriptor *desc = p; 311823caaf19SDaniel Mack 311923caaf19SDaniel Mack if (desc->bLength < sizeof(*desc)) 3120f0b5e634SDaniel Mack continue; /* invalid descriptor? */ 31216bc170e4SDaniel Mack /* mark terminal ID as visited */ 31226bc170e4SDaniel Mack set_bit(desc->bTerminalID, state.unitbitmap); 3123f0b5e634SDaniel Mack state.oterm.id = desc->bTerminalID; 3124f0b5e634SDaniel Mack state.oterm.type = le16_to_cpu(desc->wTerminalType); 3125f0b5e634SDaniel Mack state.oterm.name = desc->iTerminal; 3126f0b5e634SDaniel Mack err = parse_audio_unit(&state, desc->bSourceID); 312783ea5d18SDaniel Mack if (err < 0 && err != -EINVAL) 3128f0b5e634SDaniel Mack return err; 312909414207SDaniel Mack 31306bc170e4SDaniel Mack /* 31316bc170e4SDaniel Mack * For UAC2, use the same approach to also add the 31326bc170e4SDaniel Mack * clock selectors 31336bc170e4SDaniel Mack */ 313409414207SDaniel Mack err = parse_audio_unit(&state, desc->bCSourceID); 313583ea5d18SDaniel Mack if (err < 0 && err != -EINVAL) 313609414207SDaniel Mack return err; 31375a222e84SAndrew Chant 31382b54f785STakashi Iwai if (uac_v2v3_control_is_readable(le16_to_cpu(desc->bmControls), 31395a222e84SAndrew Chant UAC2_TE_CONNECTOR)) { 3140167e1fb1SJorge Sanjuan build_connector_control(state.mixer, &state.oterm, 31415a222e84SAndrew Chant false); 31425a222e84SAndrew Chant } 31439a2fe9b8SRuslan Bilovol } else { /* UAC_VERSION_3 */ 31449a2fe9b8SRuslan Bilovol struct uac3_output_terminal_descriptor *desc = p; 31459a2fe9b8SRuslan Bilovol 31469a2fe9b8SRuslan Bilovol if (desc->bLength < sizeof(*desc)) 31479a2fe9b8SRuslan Bilovol continue; /* invalid descriptor? */ 31489a2fe9b8SRuslan Bilovol /* mark terminal ID as visited */ 31499a2fe9b8SRuslan Bilovol set_bit(desc->bTerminalID, state.unitbitmap); 31509a2fe9b8SRuslan Bilovol state.oterm.id = desc->bTerminalID; 31519a2fe9b8SRuslan Bilovol state.oterm.type = le16_to_cpu(desc->wTerminalType); 31529a2fe9b8SRuslan Bilovol state.oterm.name = le16_to_cpu(desc->wTerminalDescrStr); 31539a2fe9b8SRuslan Bilovol err = parse_audio_unit(&state, desc->bSourceID); 31549a2fe9b8SRuslan Bilovol if (err < 0 && err != -EINVAL) 31559a2fe9b8SRuslan Bilovol return err; 31569a2fe9b8SRuslan Bilovol 31579a2fe9b8SRuslan Bilovol /* 31589a2fe9b8SRuslan Bilovol * For UAC3, use the same approach to also add the 31599a2fe9b8SRuslan Bilovol * clock selectors 31609a2fe9b8SRuslan Bilovol */ 31619a2fe9b8SRuslan Bilovol err = parse_audio_unit(&state, desc->bCSourceID); 31629a2fe9b8SRuslan Bilovol if (err < 0 && err != -EINVAL) 31639a2fe9b8SRuslan Bilovol return err; 31641d38f5d8SJorge Sanjuan 31651d38f5d8SJorge Sanjuan if (uac_v2v3_control_is_readable(le32_to_cpu(desc->bmControls), 31661d38f5d8SJorge Sanjuan UAC3_TE_INSERTION)) { 3167167e1fb1SJorge Sanjuan build_connector_control(state.mixer, &state.oterm, 31681d38f5d8SJorge Sanjuan false); 31691d38f5d8SJorge Sanjuan } 3170f0b5e634SDaniel Mack } 317123caaf19SDaniel Mack } 317223caaf19SDaniel Mack 3173f0b5e634SDaniel Mack return 0; 3174f0b5e634SDaniel Mack } 3175f0b5e634SDaniel Mack 3176f0b5e634SDaniel Mack void snd_usb_mixer_notify_id(struct usb_mixer_interface *mixer, int unitid) 3177f0b5e634SDaniel Mack { 31783360b84bSTakashi Iwai struct usb_mixer_elem_list *list; 3179f0b5e634SDaniel Mack 31808c558076STakashi Iwai for_each_mixer_elem(list, mixer, unitid) { 3181b2500b58SJulian Scheel struct usb_mixer_elem_info *info = 31828c558076STakashi Iwai mixer_elem_list_to_info(list); 3183b2500b58SJulian Scheel /* invalidate cache, so the value is read from the device */ 3184b2500b58SJulian Scheel info->cached = 0; 3185f0b5e634SDaniel Mack snd_ctl_notify(mixer->chip->card, SNDRV_CTL_EVENT_MASK_VALUE, 31863360b84bSTakashi Iwai &list->kctl->id); 3187f0b5e634SDaniel Mack } 3188b2500b58SJulian Scheel } 3189f0b5e634SDaniel Mack 3190f0b5e634SDaniel Mack static void snd_usb_mixer_dump_cval(struct snd_info_buffer *buffer, 31913360b84bSTakashi Iwai struct usb_mixer_elem_list *list) 3192f0b5e634SDaniel Mack { 31938c558076STakashi Iwai struct usb_mixer_elem_info *cval = mixer_elem_list_to_info(list); 3194f0b5e634SDaniel Mack static char *val_types[] = {"BOOLEAN", "INV_BOOLEAN", 3195f0b5e634SDaniel Mack "S8", "U8", "S16", "U16"}; 3196f0b5e634SDaniel Mack snd_iprintf(buffer, " Info: id=%i, control=%i, cmask=0x%x, " 31973360b84bSTakashi Iwai "channels=%i, type=\"%s\"\n", cval->head.id, 3198f0b5e634SDaniel Mack cval->control, cval->cmask, cval->channels, 3199f0b5e634SDaniel Mack val_types[cval->val_type]); 3200f0b5e634SDaniel Mack snd_iprintf(buffer, " Volume: min=%i, max=%i, dBmin=%i, dBmax=%i\n", 3201f0b5e634SDaniel Mack cval->min, cval->max, cval->dBmin, cval->dBmax); 3202f0b5e634SDaniel Mack } 3203f0b5e634SDaniel Mack 3204f0b5e634SDaniel Mack static void snd_usb_mixer_proc_read(struct snd_info_entry *entry, 3205f0b5e634SDaniel Mack struct snd_info_buffer *buffer) 3206f0b5e634SDaniel Mack { 3207f0b5e634SDaniel Mack struct snd_usb_audio *chip = entry->private_data; 3208f0b5e634SDaniel Mack struct usb_mixer_interface *mixer; 32093360b84bSTakashi Iwai struct usb_mixer_elem_list *list; 3210f0b5e634SDaniel Mack int unitid; 3211f0b5e634SDaniel Mack 3212f0b5e634SDaniel Mack list_for_each_entry(mixer, &chip->mixer_list, list) { 3213f0b5e634SDaniel Mack snd_iprintf(buffer, 3214f0b5e634SDaniel Mack "USB Mixer: usb_id=0x%08x, ctrlif=%i, ctlerr=%i\n", 32153d8d4dcfSDaniel Mack chip->usb_id, snd_usb_ctrl_intf(chip), 3216f0b5e634SDaniel Mack mixer->ignore_ctl_error); 3217f0b5e634SDaniel Mack snd_iprintf(buffer, "Card: %s\n", chip->card->longname); 3218f0b5e634SDaniel Mack for (unitid = 0; unitid < MAX_ID_ELEMS; unitid++) { 32198c558076STakashi Iwai for_each_mixer_elem(list, mixer, unitid) { 32203360b84bSTakashi Iwai snd_iprintf(buffer, " Unit: %i\n", list->id); 32213360b84bSTakashi Iwai if (list->kctl) 32223360b84bSTakashi Iwai snd_iprintf(buffer, 32233360b84bSTakashi Iwai " Control: name=\"%s\", index=%i\n", 32243360b84bSTakashi Iwai list->kctl->id.name, 32253360b84bSTakashi Iwai list->kctl->id.index); 32263360b84bSTakashi Iwai if (list->dump) 32273360b84bSTakashi Iwai list->dump(buffer, list); 32283360b84bSTakashi Iwai } 3229f0b5e634SDaniel Mack } 3230f0b5e634SDaniel Mack } 3231f0b5e634SDaniel Mack } 3232f0b5e634SDaniel Mack 3233e213e9cfSDaniel Mack static void snd_usb_mixer_interrupt_v2(struct usb_mixer_interface *mixer, 3234e213e9cfSDaniel Mack int attribute, int value, int index) 3235e213e9cfSDaniel Mack { 32363360b84bSTakashi Iwai struct usb_mixer_elem_list *list; 3237e213e9cfSDaniel Mack __u8 unitid = (index >> 8) & 0xff; 3238e213e9cfSDaniel Mack __u8 control = (value >> 8) & 0xff; 3239e213e9cfSDaniel Mack __u8 channel = value & 0xff; 3240191227d9SDaniel Mack unsigned int count = 0; 3241e213e9cfSDaniel Mack 3242e213e9cfSDaniel Mack if (channel >= MAX_CHANNELS) { 32430ba41d91STakashi Iwai usb_audio_dbg(mixer->chip, 32440ba41d91STakashi Iwai "%s(): bogus channel number %d\n", 3245e213e9cfSDaniel Mack __func__, channel); 3246e213e9cfSDaniel Mack return; 3247e213e9cfSDaniel Mack } 3248e213e9cfSDaniel Mack 32498c558076STakashi Iwai for_each_mixer_elem(list, mixer, unitid) 3250191227d9SDaniel Mack count++; 3251191227d9SDaniel Mack 3252191227d9SDaniel Mack if (count == 0) 3253191227d9SDaniel Mack return; 3254191227d9SDaniel Mack 32558c558076STakashi Iwai for_each_mixer_elem(list, mixer, unitid) { 32563360b84bSTakashi Iwai struct usb_mixer_elem_info *info; 32573360b84bSTakashi Iwai 32583360b84bSTakashi Iwai if (!list->kctl) 32593360b84bSTakashi Iwai continue; 32603360b84bSTakashi Iwai 32618c558076STakashi Iwai info = mixer_elem_list_to_info(list); 3262191227d9SDaniel Mack if (count > 1 && info->control != control) 3263e213e9cfSDaniel Mack continue; 3264e213e9cfSDaniel Mack 3265e213e9cfSDaniel Mack switch (attribute) { 3266e213e9cfSDaniel Mack case UAC2_CS_CUR: 3267e213e9cfSDaniel Mack /* invalidate cache, so the value is read from the device */ 3268e213e9cfSDaniel Mack if (channel) 3269e213e9cfSDaniel Mack info->cached &= ~(1 << channel); 3270e213e9cfSDaniel Mack else /* master channel */ 3271e213e9cfSDaniel Mack info->cached = 0; 3272e213e9cfSDaniel Mack 3273e213e9cfSDaniel Mack snd_ctl_notify(mixer->chip->card, SNDRV_CTL_EVENT_MASK_VALUE, 32743360b84bSTakashi Iwai &info->head.kctl->id); 3275e213e9cfSDaniel Mack break; 3276e213e9cfSDaniel Mack 3277e213e9cfSDaniel Mack case UAC2_CS_RANGE: 3278e213e9cfSDaniel Mack /* TODO */ 3279e213e9cfSDaniel Mack break; 3280e213e9cfSDaniel Mack 3281e213e9cfSDaniel Mack case UAC2_CS_MEM: 3282e213e9cfSDaniel Mack /* TODO */ 3283e213e9cfSDaniel Mack break; 3284e213e9cfSDaniel Mack 3285e213e9cfSDaniel Mack default: 32860ba41d91STakashi Iwai usb_audio_dbg(mixer->chip, 32870ba41d91STakashi Iwai "unknown attribute %d in interrupt\n", 3288e213e9cfSDaniel Mack attribute); 3289e213e9cfSDaniel Mack break; 3290e213e9cfSDaniel Mack } /* switch */ 3291e213e9cfSDaniel Mack } 3292e213e9cfSDaniel Mack } 3293e213e9cfSDaniel Mack 3294e213e9cfSDaniel Mack static void snd_usb_mixer_interrupt(struct urb *urb) 3295f0b5e634SDaniel Mack { 3296f0b5e634SDaniel Mack struct usb_mixer_interface *mixer = urb->context; 3297e213e9cfSDaniel Mack int len = urb->actual_length; 3298edf7de31SOliver Neukum int ustatus = urb->status; 3299f0b5e634SDaniel Mack 3300edf7de31SOliver Neukum if (ustatus != 0) 3301e213e9cfSDaniel Mack goto requeue; 3302f0b5e634SDaniel Mack 3303e213e9cfSDaniel Mack if (mixer->protocol == UAC_VERSION_1) { 3304e213e9cfSDaniel Mack struct uac1_status_word *status; 3305e213e9cfSDaniel Mack 3306e213e9cfSDaniel Mack for (status = urb->transfer_buffer; 3307e213e9cfSDaniel Mack len >= sizeof(*status); 3308e213e9cfSDaniel Mack len -= sizeof(*status), status++) { 33090ba41d91STakashi Iwai dev_dbg(&urb->dev->dev, "status interrupt: %02x %02x\n", 3310e213e9cfSDaniel Mack status->bStatusType, 3311e213e9cfSDaniel Mack status->bOriginator); 3312e213e9cfSDaniel Mack 3313f0b5e634SDaniel Mack /* ignore any notifications not from the control interface */ 3314e213e9cfSDaniel Mack if ((status->bStatusType & UAC1_STATUS_TYPE_ORIG_MASK) != 3315e213e9cfSDaniel Mack UAC1_STATUS_TYPE_ORIG_AUDIO_CONTROL_IF) 3316f0b5e634SDaniel Mack continue; 3317e213e9cfSDaniel Mack 3318e213e9cfSDaniel Mack if (status->bStatusType & UAC1_STATUS_TYPE_MEM_CHANGED) 3319e213e9cfSDaniel Mack snd_usb_mixer_rc_memory_change(mixer, status->bOriginator); 3320f0b5e634SDaniel Mack else 3321e213e9cfSDaniel Mack snd_usb_mixer_notify_id(mixer, status->bOriginator); 3322e213e9cfSDaniel Mack } 3323e213e9cfSDaniel Mack } else { /* UAC_VERSION_2 */ 3324e213e9cfSDaniel Mack struct uac2_interrupt_data_msg *msg; 3325e213e9cfSDaniel Mack 3326e213e9cfSDaniel Mack for (msg = urb->transfer_buffer; 3327e213e9cfSDaniel Mack len >= sizeof(*msg); 3328e213e9cfSDaniel Mack len -= sizeof(*msg), msg++) { 3329e213e9cfSDaniel Mack /* drop vendor specific and endpoint requests */ 3330e213e9cfSDaniel Mack if ((msg->bInfo & UAC2_INTERRUPT_DATA_MSG_VENDOR) || 3331e213e9cfSDaniel Mack (msg->bInfo & UAC2_INTERRUPT_DATA_MSG_EP)) 3332e213e9cfSDaniel Mack continue; 3333e213e9cfSDaniel Mack 3334e213e9cfSDaniel Mack snd_usb_mixer_interrupt_v2(mixer, msg->bAttribute, 3335e213e9cfSDaniel Mack le16_to_cpu(msg->wValue), 3336e213e9cfSDaniel Mack le16_to_cpu(msg->wIndex)); 3337f0b5e634SDaniel Mack } 3338f0b5e634SDaniel Mack } 3339e213e9cfSDaniel Mack 3340e213e9cfSDaniel Mack requeue: 33416bc170e4SDaniel Mack if (ustatus != -ENOENT && 33426bc170e4SDaniel Mack ustatus != -ECONNRESET && 33436bc170e4SDaniel Mack ustatus != -ESHUTDOWN) { 3344f0b5e634SDaniel Mack urb->dev = mixer->chip->dev; 3345f0b5e634SDaniel Mack usb_submit_urb(urb, GFP_ATOMIC); 3346f0b5e634SDaniel Mack } 3347f0b5e634SDaniel Mack } 3348f0b5e634SDaniel Mack 3349f0b5e634SDaniel Mack /* create the handler for the optional status interrupt endpoint */ 3350f0b5e634SDaniel Mack static int snd_usb_mixer_status_create(struct usb_mixer_interface *mixer) 3351f0b5e634SDaniel Mack { 3352f0b5e634SDaniel Mack struct usb_endpoint_descriptor *ep; 3353f0b5e634SDaniel Mack void *transfer_buffer; 3354f0b5e634SDaniel Mack int buffer_length; 3355f0b5e634SDaniel Mack unsigned int epnum; 3356f0b5e634SDaniel Mack 3357f0b5e634SDaniel Mack /* we need one interrupt input endpoint */ 33581faa5d07SDaniel Mack if (get_iface_desc(mixer->hostif)->bNumEndpoints < 1) 3359f0b5e634SDaniel Mack return 0; 33601faa5d07SDaniel Mack ep = get_endpoint(mixer->hostif, 0); 3361f0b5e634SDaniel Mack if (!usb_endpoint_dir_in(ep) || !usb_endpoint_xfer_int(ep)) 3362f0b5e634SDaniel Mack return 0; 3363f0b5e634SDaniel Mack 3364f0b5e634SDaniel Mack epnum = usb_endpoint_num(ep); 3365f0b5e634SDaniel Mack buffer_length = le16_to_cpu(ep->wMaxPacketSize); 3366f0b5e634SDaniel Mack transfer_buffer = kmalloc(buffer_length, GFP_KERNEL); 3367f0b5e634SDaniel Mack if (!transfer_buffer) 3368f0b5e634SDaniel Mack return -ENOMEM; 3369f0b5e634SDaniel Mack mixer->urb = usb_alloc_urb(0, GFP_KERNEL); 3370f0b5e634SDaniel Mack if (!mixer->urb) { 3371f0b5e634SDaniel Mack kfree(transfer_buffer); 3372f0b5e634SDaniel Mack return -ENOMEM; 3373f0b5e634SDaniel Mack } 3374f0b5e634SDaniel Mack usb_fill_int_urb(mixer->urb, mixer->chip->dev, 3375f0b5e634SDaniel Mack usb_rcvintpipe(mixer->chip->dev, epnum), 3376f0b5e634SDaniel Mack transfer_buffer, buffer_length, 3377e213e9cfSDaniel Mack snd_usb_mixer_interrupt, mixer, ep->bInterval); 3378f0b5e634SDaniel Mack usb_submit_urb(mixer->urb, GFP_KERNEL); 3379f0b5e634SDaniel Mack return 0; 3380f0b5e634SDaniel Mack } 3381f0b5e634SDaniel Mack 33824120fbedSTakashi Iwai static int keep_iface_ctl_get(struct snd_kcontrol *kcontrol, 33834120fbedSTakashi Iwai struct snd_ctl_elem_value *ucontrol) 33844120fbedSTakashi Iwai { 33854120fbedSTakashi Iwai struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol); 33864120fbedSTakashi Iwai 33874120fbedSTakashi Iwai ucontrol->value.integer.value[0] = mixer->chip->keep_iface; 33884120fbedSTakashi Iwai return 0; 33894120fbedSTakashi Iwai } 33904120fbedSTakashi Iwai 33914120fbedSTakashi Iwai static int keep_iface_ctl_put(struct snd_kcontrol *kcontrol, 33924120fbedSTakashi Iwai struct snd_ctl_elem_value *ucontrol) 33934120fbedSTakashi Iwai { 33944120fbedSTakashi Iwai struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol); 33954120fbedSTakashi Iwai bool keep_iface = !!ucontrol->value.integer.value[0]; 33964120fbedSTakashi Iwai 33974120fbedSTakashi Iwai if (mixer->chip->keep_iface == keep_iface) 33984120fbedSTakashi Iwai return 0; 33994120fbedSTakashi Iwai mixer->chip->keep_iface = keep_iface; 34004120fbedSTakashi Iwai return 1; 34014120fbedSTakashi Iwai } 34024120fbedSTakashi Iwai 34034120fbedSTakashi Iwai static const struct snd_kcontrol_new keep_iface_ctl = { 34044120fbedSTakashi Iwai .iface = SNDRV_CTL_ELEM_IFACE_CARD, 34054120fbedSTakashi Iwai .name = "Keep Interface", 34064120fbedSTakashi Iwai .info = snd_ctl_boolean_mono_info, 34074120fbedSTakashi Iwai .get = keep_iface_ctl_get, 34084120fbedSTakashi Iwai .put = keep_iface_ctl_put, 34094120fbedSTakashi Iwai }; 34104120fbedSTakashi Iwai 34114120fbedSTakashi Iwai static int create_keep_iface_ctl(struct usb_mixer_interface *mixer) 34124120fbedSTakashi Iwai { 34134120fbedSTakashi Iwai struct snd_kcontrol *kctl = snd_ctl_new1(&keep_iface_ctl, mixer); 34144120fbedSTakashi Iwai 34154120fbedSTakashi Iwai /* need only one control per card */ 34164120fbedSTakashi Iwai if (snd_ctl_find_id(mixer->chip->card, &kctl->id)) { 34174120fbedSTakashi Iwai snd_ctl_free_one(kctl); 34184120fbedSTakashi Iwai return 0; 34194120fbedSTakashi Iwai } 34204120fbedSTakashi Iwai 34214120fbedSTakashi Iwai return snd_ctl_add(mixer->chip->card, kctl); 34224120fbedSTakashi Iwai } 34234120fbedSTakashi Iwai 3424f0b5e634SDaniel Mack int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif, 3425f0b5e634SDaniel Mack int ignore_error) 3426f0b5e634SDaniel Mack { 3427f0b5e634SDaniel Mack static struct snd_device_ops dev_ops = { 3428f0b5e634SDaniel Mack .dev_free = snd_usb_mixer_dev_free 3429f0b5e634SDaniel Mack }; 3430f0b5e634SDaniel Mack struct usb_mixer_interface *mixer; 3431f0b5e634SDaniel Mack struct snd_info_entry *entry; 343223caaf19SDaniel Mack int err; 3433f0b5e634SDaniel Mack 3434f0b5e634SDaniel Mack strcpy(chip->card->mixername, "USB Mixer"); 3435f0b5e634SDaniel Mack 3436f0b5e634SDaniel Mack mixer = kzalloc(sizeof(*mixer), GFP_KERNEL); 3437f0b5e634SDaniel Mack if (!mixer) 3438f0b5e634SDaniel Mack return -ENOMEM; 3439f0b5e634SDaniel Mack mixer->chip = chip; 3440f0b5e634SDaniel Mack mixer->ignore_ctl_error = ignore_error; 3441f0b5e634SDaniel Mack mixer->id_elems = kcalloc(MAX_ID_ELEMS, sizeof(*mixer->id_elems), 3442f0b5e634SDaniel Mack GFP_KERNEL); 3443f0b5e634SDaniel Mack if (!mixer->id_elems) { 3444f0b5e634SDaniel Mack kfree(mixer); 3445f0b5e634SDaniel Mack return -ENOMEM; 3446f0b5e634SDaniel Mack } 3447f0b5e634SDaniel Mack 34481faa5d07SDaniel Mack mixer->hostif = &usb_ifnum_to_if(chip->dev, ctrlif)->altsetting[0]; 34491faa5d07SDaniel Mack switch (get_iface_desc(mixer->hostif)->bInterfaceProtocol) { 3450a2acad82SClemens Ladisch case UAC_VERSION_1: 3451a2acad82SClemens Ladisch default: 3452a2acad82SClemens Ladisch mixer->protocol = UAC_VERSION_1; 3453a2acad82SClemens Ladisch break; 3454a2acad82SClemens Ladisch case UAC_VERSION_2: 3455a2acad82SClemens Ladisch mixer->protocol = UAC_VERSION_2; 3456a2acad82SClemens Ladisch break; 34579a2fe9b8SRuslan Bilovol case UAC_VERSION_3: 34589a2fe9b8SRuslan Bilovol mixer->protocol = UAC_VERSION_3; 34599a2fe9b8SRuslan Bilovol break; 3460a2acad82SClemens Ladisch } 3461f0b5e634SDaniel Mack 346217156f23SRuslan Bilovol if (mixer->protocol == UAC_VERSION_3 && 346317156f23SRuslan Bilovol chip->badd_profile >= UAC3_FUNCTION_SUBCLASS_GENERIC_IO) { 3464f25ecf8fSTakashi Iwai err = snd_usb_mixer_controls_badd(mixer, ctrlif); 3465f25ecf8fSTakashi Iwai if (err < 0) 3466f0b5e634SDaniel Mack goto _error; 3467f25ecf8fSTakashi Iwai } else { 3468f25ecf8fSTakashi Iwai err = snd_usb_mixer_controls(mixer); 3469f25ecf8fSTakashi Iwai if (err < 0) 3470f25ecf8fSTakashi Iwai goto _error; 3471ad6baae6SJorge Sanjuan } 3472ad6baae6SJorge Sanjuan 3473f25ecf8fSTakashi Iwai err = snd_usb_mixer_status_create(mixer); 3474f25ecf8fSTakashi Iwai if (err < 0) 347517156f23SRuslan Bilovol goto _error; 3476ad6baae6SJorge Sanjuan 34774120fbedSTakashi Iwai err = create_keep_iface_ctl(mixer); 34784120fbedSTakashi Iwai if (err < 0) 34794120fbedSTakashi Iwai goto _error; 3480f0b5e634SDaniel Mack 3481f0b5e634SDaniel Mack snd_usb_mixer_apply_create_quirk(mixer); 3482f0b5e634SDaniel Mack 34839cbb2808STakashi Iwai err = snd_device_new(chip->card, SNDRV_DEV_CODEC, mixer, &dev_ops); 3484f0b5e634SDaniel Mack if (err < 0) 3485f0b5e634SDaniel Mack goto _error; 3486f0b5e634SDaniel Mack 3487f0b5e634SDaniel Mack if (list_empty(&chip->mixer_list) && 3488f0b5e634SDaniel Mack !snd_card_proc_new(chip->card, "usbmixer", &entry)) 3489f0b5e634SDaniel Mack snd_info_set_text_ops(entry, chip, snd_usb_mixer_proc_read); 3490f0b5e634SDaniel Mack 3491f0b5e634SDaniel Mack list_add(&mixer->list, &chip->mixer_list); 3492f0b5e634SDaniel Mack return 0; 3493f0b5e634SDaniel Mack 3494f0b5e634SDaniel Mack _error: 3495f0b5e634SDaniel Mack snd_usb_mixer_free(mixer); 3496f0b5e634SDaniel Mack return err; 3497f0b5e634SDaniel Mack } 3498f0b5e634SDaniel Mack 3499a6cece9dSTakashi Iwai void snd_usb_mixer_disconnect(struct usb_mixer_interface *mixer) 3500f0b5e634SDaniel Mack { 3501124751d5STakashi Iwai if (mixer->disconnected) 3502124751d5STakashi Iwai return; 3503124751d5STakashi Iwai if (mixer->urb) 3504f0b5e634SDaniel Mack usb_kill_urb(mixer->urb); 3505124751d5STakashi Iwai if (mixer->rc_urb) 3506f0b5e634SDaniel Mack usb_kill_urb(mixer->rc_urb); 3507124751d5STakashi Iwai mixer->disconnected = true; 3508f0b5e634SDaniel Mack } 3509400362f1STakashi Iwai 3510400362f1STakashi Iwai #ifdef CONFIG_PM 3511400362f1STakashi Iwai /* stop any bus activity of a mixer */ 3512400362f1STakashi Iwai static void snd_usb_mixer_inactivate(struct usb_mixer_interface *mixer) 3513400362f1STakashi Iwai { 3514400362f1STakashi Iwai usb_kill_urb(mixer->urb); 3515400362f1STakashi Iwai usb_kill_urb(mixer->rc_urb); 3516400362f1STakashi Iwai } 3517400362f1STakashi Iwai 3518400362f1STakashi Iwai static int snd_usb_mixer_activate(struct usb_mixer_interface *mixer) 3519400362f1STakashi Iwai { 3520400362f1STakashi Iwai int err; 3521400362f1STakashi Iwai 3522400362f1STakashi Iwai if (mixer->urb) { 3523400362f1STakashi Iwai err = usb_submit_urb(mixer->urb, GFP_NOIO); 3524400362f1STakashi Iwai if (err < 0) 3525400362f1STakashi Iwai return err; 3526400362f1STakashi Iwai } 3527400362f1STakashi Iwai 3528400362f1STakashi Iwai return 0; 3529400362f1STakashi Iwai } 3530400362f1STakashi Iwai 3531400362f1STakashi Iwai int snd_usb_mixer_suspend(struct usb_mixer_interface *mixer) 3532400362f1STakashi Iwai { 3533400362f1STakashi Iwai snd_usb_mixer_inactivate(mixer); 3534400362f1STakashi Iwai return 0; 3535400362f1STakashi Iwai } 3536400362f1STakashi Iwai 35373360b84bSTakashi Iwai static int restore_mixer_value(struct usb_mixer_elem_list *list) 3538400362f1STakashi Iwai { 35398c558076STakashi Iwai struct usb_mixer_elem_info *cval = mixer_elem_list_to_info(list); 3540400362f1STakashi Iwai int c, err, idx; 3541400362f1STakashi Iwai 3542400362f1STakashi Iwai if (cval->cmask) { 3543400362f1STakashi Iwai idx = 0; 3544400362f1STakashi Iwai for (c = 0; c < MAX_CHANNELS; c++) { 3545400362f1STakashi Iwai if (!(cval->cmask & (1 << c))) 3546400362f1STakashi Iwai continue; 35476aa6925cSYao-Wen Mao if (cval->cached & (1 << (c + 1))) { 3548eef90451SChris J Arges err = snd_usb_set_cur_mix_value(cval, c + 1, idx, 3549400362f1STakashi Iwai cval->cache_val[idx]); 3550400362f1STakashi Iwai if (err < 0) 3551400362f1STakashi Iwai return err; 3552400362f1STakashi Iwai } 3553400362f1STakashi Iwai idx++; 3554400362f1STakashi Iwai } 3555400362f1STakashi Iwai } else { 3556400362f1STakashi Iwai /* master */ 3557400362f1STakashi Iwai if (cval->cached) { 3558eef90451SChris J Arges err = snd_usb_set_cur_mix_value(cval, 0, 0, *cval->cache_val); 3559400362f1STakashi Iwai if (err < 0) 3560400362f1STakashi Iwai return err; 3561400362f1STakashi Iwai } 3562400362f1STakashi Iwai } 3563400362f1STakashi Iwai 3564400362f1STakashi Iwai return 0; 3565400362f1STakashi Iwai } 3566400362f1STakashi Iwai 3567400362f1STakashi Iwai int snd_usb_mixer_resume(struct usb_mixer_interface *mixer, bool reset_resume) 3568400362f1STakashi Iwai { 35693360b84bSTakashi Iwai struct usb_mixer_elem_list *list; 3570400362f1STakashi Iwai int id, err; 3571400362f1STakashi Iwai 3572400362f1STakashi Iwai if (reset_resume) { 3573400362f1STakashi Iwai /* restore cached mixer values */ 3574400362f1STakashi Iwai for (id = 0; id < MAX_ID_ELEMS; id++) { 35758c558076STakashi Iwai for_each_mixer_elem(list, mixer, id) { 35763360b84bSTakashi Iwai if (list->resume) { 35773360b84bSTakashi Iwai err = list->resume(list); 3578400362f1STakashi Iwai if (err < 0) 3579400362f1STakashi Iwai return err; 3580400362f1STakashi Iwai } 3581400362f1STakashi Iwai } 3582400362f1STakashi Iwai } 35833360b84bSTakashi Iwai } 3584400362f1STakashi Iwai 3585964af639STakashi Iwai snd_usb_mixer_resume_quirk(mixer); 3586964af639STakashi Iwai 3587400362f1STakashi Iwai return snd_usb_mixer_activate(mixer); 3588400362f1STakashi Iwai } 3589400362f1STakashi Iwai #endif 35903360b84bSTakashi Iwai 35913360b84bSTakashi Iwai void snd_usb_mixer_elem_init_std(struct usb_mixer_elem_list *list, 35923360b84bSTakashi Iwai struct usb_mixer_interface *mixer, 35933360b84bSTakashi Iwai int unitid) 35943360b84bSTakashi Iwai { 35953360b84bSTakashi Iwai list->mixer = mixer; 35963360b84bSTakashi Iwai list->id = unitid; 35973360b84bSTakashi Iwai list->dump = snd_usb_mixer_dump_cval; 35983360b84bSTakashi Iwai #ifdef CONFIG_PM 35993360b84bSTakashi Iwai list->resume = restore_mixer_value; 36003360b84bSTakashi Iwai #endif 36013360b84bSTakashi Iwai } 3602