11a59d1b8SThomas Gleixner // SPDX-License-Identifier: GPL-2.0-or-later 2f0b5e634SDaniel Mack /* 3f0b5e634SDaniel Mack * (Tentative) USB Audio Driver for ALSA 4f0b5e634SDaniel Mack * 5f0b5e634SDaniel Mack * Mixer control part 6f0b5e634SDaniel Mack * 7f0b5e634SDaniel Mack * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de> 8f0b5e634SDaniel Mack * 9f0b5e634SDaniel Mack * Many codes borrowed from audio.c by 10f0b5e634SDaniel Mack * Alan Cox (alan@lxorguk.ukuu.org.uk) 11f0b5e634SDaniel Mack * Thomas Sailer (sailer@ife.ee.ethz.ch) 12f0b5e634SDaniel Mack */ 13f0b5e634SDaniel Mack 14157a57b6SDaniel Mack /* 15157a57b6SDaniel Mack * TODOs, for both the mixer and the streaming interfaces: 16157a57b6SDaniel Mack * 17157a57b6SDaniel Mack * - support for UAC2 effect units 18157a57b6SDaniel Mack * - support for graphical equalizers 19157a57b6SDaniel Mack * - RANGE and MEM set commands (UAC2) 20157a57b6SDaniel Mack * - RANGE and MEM interrupt dispatchers (UAC2) 21157a57b6SDaniel Mack * - audio channel clustering (UAC2) 22157a57b6SDaniel Mack * - audio sample rate converter units (UAC2) 23157a57b6SDaniel Mack * - proper handling of clock multipliers (UAC2) 24157a57b6SDaniel Mack * - dispatch clock change notifications (UAC2) 25157a57b6SDaniel Mack * - stop PCM streams which use a clock that became invalid 26157a57b6SDaniel Mack * - stop PCM streams which use a clock selector that has changed 27157a57b6SDaniel Mack * - parse available sample rates again when clock sources changed 28157a57b6SDaniel Mack */ 29157a57b6SDaniel Mack 30f0b5e634SDaniel Mack #include <linux/bitops.h> 31f0b5e634SDaniel Mack #include <linux/init.h> 32f0b5e634SDaniel Mack #include <linux/list.h> 33cddaafb9SDaniel Mack #include <linux/log2.h> 34f0b5e634SDaniel Mack #include <linux/slab.h> 35f0b5e634SDaniel Mack #include <linux/string.h> 36f0b5e634SDaniel Mack #include <linux/usb.h> 37f0b5e634SDaniel Mack #include <linux/usb/audio.h> 3823caaf19SDaniel Mack #include <linux/usb/audio-v2.h> 399a2fe9b8SRuslan Bilovol #include <linux/usb/audio-v3.h> 40f0b5e634SDaniel Mack 41f0b5e634SDaniel Mack #include <sound/core.h> 42f0b5e634SDaniel Mack #include <sound/control.h> 43f0b5e634SDaniel Mack #include <sound/hwdep.h> 44f0b5e634SDaniel Mack #include <sound/info.h> 45f0b5e634SDaniel Mack #include <sound/tlv.h> 46f0b5e634SDaniel Mack 47f0b5e634SDaniel Mack #include "usbaudio.h" 48f0b5e634SDaniel Mack #include "mixer.h" 49f0b5e634SDaniel Mack #include "helper.h" 50f0b5e634SDaniel Mack #include "mixer_quirks.h" 5188a8516aSOliver Neukum #include "power.h" 52f0b5e634SDaniel Mack 53f0b5e634SDaniel Mack #define MAX_ID_ELEMS 256 54f0b5e634SDaniel Mack 55f0b5e634SDaniel Mack struct usb_audio_term { 56f0b5e634SDaniel Mack int id; 57f0b5e634SDaniel Mack int type; 58f0b5e634SDaniel Mack int channels; 59f0b5e634SDaniel Mack unsigned int chconfig; 60f0b5e634SDaniel Mack int name; 61f0b5e634SDaniel Mack }; 62f0b5e634SDaniel Mack 63f0b5e634SDaniel Mack struct usbmix_name_map; 64f0b5e634SDaniel Mack 65f0b5e634SDaniel Mack struct mixer_build { 66f0b5e634SDaniel Mack struct snd_usb_audio *chip; 67f0b5e634SDaniel Mack struct usb_mixer_interface *mixer; 68f0b5e634SDaniel Mack unsigned char *buffer; 69f0b5e634SDaniel Mack unsigned int buflen; 70f0b5e634SDaniel Mack DECLARE_BITMAP(unitbitmap, MAX_ID_ELEMS); 7119bce474SHui Peng DECLARE_BITMAP(termbitmap, MAX_ID_ELEMS); 72f0b5e634SDaniel Mack struct usb_audio_term oterm; 73f0b5e634SDaniel Mack const struct usbmix_name_map *map; 74f0b5e634SDaniel Mack const struct usbmix_selector_map *selector_map; 75f0b5e634SDaniel Mack }; 76f0b5e634SDaniel Mack 771cdfa9f3SJoseph Teichman /*E-mu 0202/0404/0204 eXtension Unit(XU) control*/ 78f0b5e634SDaniel Mack enum { 79f0b5e634SDaniel Mack USB_XU_CLOCK_RATE = 0xe301, 80f0b5e634SDaniel Mack USB_XU_CLOCK_SOURCE = 0xe302, 81f0b5e634SDaniel Mack USB_XU_DIGITAL_IO_STATUS = 0xe303, 82f0b5e634SDaniel Mack USB_XU_DEVICE_OPTIONS = 0xe304, 83f0b5e634SDaniel Mack USB_XU_DIRECT_MONITORING = 0xe305, 84f0b5e634SDaniel Mack USB_XU_METERING = 0xe306 85f0b5e634SDaniel Mack }; 86f0b5e634SDaniel Mack enum { 87f0b5e634SDaniel Mack USB_XU_CLOCK_SOURCE_SELECTOR = 0x02, /* clock source*/ 88f0b5e634SDaniel Mack USB_XU_CLOCK_RATE_SELECTOR = 0x03, /* clock rate */ 89f0b5e634SDaniel Mack USB_XU_DIGITAL_FORMAT_SELECTOR = 0x01, /* the spdif format */ 90f0b5e634SDaniel Mack USB_XU_SOFT_LIMIT_SELECTOR = 0x03 /* soft limiter */ 91f0b5e634SDaniel Mack }; 92f0b5e634SDaniel Mack 93f0b5e634SDaniel Mack /* 94f0b5e634SDaniel Mack * manual mapping of mixer names 95f0b5e634SDaniel Mack * if the mixer topology is too complicated and the parsed names are 96f0b5e634SDaniel Mack * ambiguous, add the entries in usbmixer_maps.c. 97f0b5e634SDaniel Mack */ 98f0b5e634SDaniel Mack #include "mixer_maps.c" 99f0b5e634SDaniel Mack 100f0b5e634SDaniel Mack static const struct usbmix_name_map * 10117156f23SRuslan Bilovol find_map(const struct usbmix_name_map *p, int unitid, int control) 102f0b5e634SDaniel Mack { 103f0b5e634SDaniel Mack if (!p) 104f0b5e634SDaniel Mack return NULL; 105f0b5e634SDaniel Mack 10617156f23SRuslan Bilovol for (; p->id; p++) { 107f0b5e634SDaniel Mack if (p->id == unitid && 108f0b5e634SDaniel Mack (!control || !p->control || control == p->control)) 109f0b5e634SDaniel Mack return p; 110f0b5e634SDaniel Mack } 111f0b5e634SDaniel Mack return NULL; 112f0b5e634SDaniel Mack } 113f0b5e634SDaniel Mack 114f0b5e634SDaniel Mack /* get the mapped name if the unit matches */ 115f0b5e634SDaniel Mack static int 116f0b5e634SDaniel Mack check_mapped_name(const struct usbmix_name_map *p, char *buf, int buflen) 117f0b5e634SDaniel Mack { 118e8afdfdcSTakashi Iwai int len; 119e8afdfdcSTakashi Iwai 120f0b5e634SDaniel Mack if (!p || !p->name) 121f0b5e634SDaniel Mack return 0; 122f0b5e634SDaniel Mack 123f0b5e634SDaniel Mack buflen--; 124e8afdfdcSTakashi Iwai len = strscpy(buf, p->name, buflen); 125e8afdfdcSTakashi Iwai return len < 0 ? buflen : len; 126f0b5e634SDaniel Mack } 127f0b5e634SDaniel Mack 1285aeee342STakashi Iwai /* ignore the error value if ignore_ctl_error flag is set */ 1295aeee342STakashi Iwai #define filter_error(cval, err) \ 1303360b84bSTakashi Iwai ((cval)->head.mixer->ignore_ctl_error ? 0 : (err)) 1315aeee342STakashi Iwai 132f0b5e634SDaniel Mack /* check whether the control should be ignored */ 133f0b5e634SDaniel Mack static inline int 134f0b5e634SDaniel Mack check_ignored_ctl(const struct usbmix_name_map *p) 135f0b5e634SDaniel Mack { 136f0b5e634SDaniel Mack if (!p || p->name || p->dB) 137f0b5e634SDaniel Mack return 0; 138f0b5e634SDaniel Mack return 1; 139f0b5e634SDaniel Mack } 140f0b5e634SDaniel Mack 141f0b5e634SDaniel Mack /* dB mapping */ 142f0b5e634SDaniel Mack static inline void check_mapped_dB(const struct usbmix_name_map *p, 143f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval) 144f0b5e634SDaniel Mack { 145f0b5e634SDaniel Mack if (p && p->dB) { 146f0b5e634SDaniel Mack cval->dBmin = p->dB->min; 147f0b5e634SDaniel Mack cval->dBmax = p->dB->max; 14838b65190STakashi Iwai cval->initialized = 1; 149f0b5e634SDaniel Mack } 150f0b5e634SDaniel Mack } 151f0b5e634SDaniel Mack 152f0b5e634SDaniel Mack /* get the mapped selector source name */ 153f0b5e634SDaniel Mack static int check_mapped_selector_name(struct mixer_build *state, int unitid, 154f0b5e634SDaniel Mack int index, char *buf, int buflen) 155f0b5e634SDaniel Mack { 156f0b5e634SDaniel Mack const struct usbmix_selector_map *p; 157e8afdfdcSTakashi Iwai int len; 158f0b5e634SDaniel Mack 159f0b5e634SDaniel Mack if (!state->selector_map) 160f0b5e634SDaniel Mack return 0; 161f0b5e634SDaniel Mack for (p = state->selector_map; p->id; p++) { 162e8afdfdcSTakashi Iwai if (p->id == unitid && index < p->count) { 163e8afdfdcSTakashi Iwai len = strscpy(buf, p->names[index], buflen); 164e8afdfdcSTakashi Iwai return len < 0 ? buflen : len; 165e8afdfdcSTakashi Iwai } 166f0b5e634SDaniel Mack } 167f0b5e634SDaniel Mack return 0; 168f0b5e634SDaniel Mack } 169f0b5e634SDaniel Mack 170f0b5e634SDaniel Mack /* 171f0b5e634SDaniel Mack * find an audio control unit with the given unit id 172f0b5e634SDaniel Mack */ 1736bc170e4SDaniel Mack static void *find_audio_control_unit(struct mixer_build *state, 1746bc170e4SDaniel Mack unsigned char unit) 175f0b5e634SDaniel Mack { 17667e1daa0SDaniel Mack /* we just parse the header */ 17767e1daa0SDaniel Mack struct uac_feature_unit_descriptor *hdr = NULL; 178f0b5e634SDaniel Mack 17967e1daa0SDaniel Mack while ((hdr = snd_usb_find_desc(state->buffer, state->buflen, hdr, 180f0b5e634SDaniel Mack USB_DT_CS_INTERFACE)) != NULL) { 18167e1daa0SDaniel Mack if (hdr->bLength >= 4 && 18267e1daa0SDaniel Mack hdr->bDescriptorSubtype >= UAC_INPUT_TERMINAL && 1839a2fe9b8SRuslan Bilovol hdr->bDescriptorSubtype <= UAC3_SAMPLE_RATE_CONVERTER && 18467e1daa0SDaniel Mack hdr->bUnitID == unit) 18567e1daa0SDaniel Mack return hdr; 186f0b5e634SDaniel Mack } 18767e1daa0SDaniel Mack 188f0b5e634SDaniel Mack return NULL; 189f0b5e634SDaniel Mack } 190f0b5e634SDaniel Mack 191f0b5e634SDaniel Mack /* 192f0b5e634SDaniel Mack * copy a string with the given id 193f0b5e634SDaniel Mack */ 194eccfc1b8SRuslan Bilovol static int snd_usb_copy_string_desc(struct snd_usb_audio *chip, 1956bc170e4SDaniel Mack int index, char *buf, int maxlen) 196f0b5e634SDaniel Mack { 197eccfc1b8SRuslan Bilovol int len = usb_string(chip->dev, index, buf, maxlen - 1); 198251552a2SJaejoong Kim 199251552a2SJaejoong Kim if (len < 0) 200251552a2SJaejoong Kim return 0; 201251552a2SJaejoong Kim 202f0b5e634SDaniel Mack buf[len] = 0; 203f0b5e634SDaniel Mack return len; 204f0b5e634SDaniel Mack } 205f0b5e634SDaniel Mack 206f0b5e634SDaniel Mack /* 207f0b5e634SDaniel Mack * convert from the byte/word on usb descriptor to the zero-based integer 208f0b5e634SDaniel Mack */ 209f0b5e634SDaniel Mack static int convert_signed_value(struct usb_mixer_elem_info *cval, int val) 210f0b5e634SDaniel Mack { 211f0b5e634SDaniel Mack switch (cval->val_type) { 212f0b5e634SDaniel Mack case USB_MIXER_BOOLEAN: 213f0b5e634SDaniel Mack return !!val; 214f0b5e634SDaniel Mack case USB_MIXER_INV_BOOLEAN: 215f0b5e634SDaniel Mack return !val; 216f0b5e634SDaniel Mack case USB_MIXER_U8: 217f0b5e634SDaniel Mack val &= 0xff; 218f0b5e634SDaniel Mack break; 219f0b5e634SDaniel Mack case USB_MIXER_S8: 220f0b5e634SDaniel Mack val &= 0xff; 221f0b5e634SDaniel Mack if (val >= 0x80) 222f0b5e634SDaniel Mack val -= 0x100; 223f0b5e634SDaniel Mack break; 224f0b5e634SDaniel Mack case USB_MIXER_U16: 225f0b5e634SDaniel Mack val &= 0xffff; 226f0b5e634SDaniel Mack break; 227f0b5e634SDaniel Mack case USB_MIXER_S16: 228f0b5e634SDaniel Mack val &= 0xffff; 229f0b5e634SDaniel Mack if (val >= 0x8000) 230f0b5e634SDaniel Mack val -= 0x10000; 231f0b5e634SDaniel Mack break; 232f0b5e634SDaniel Mack } 233f0b5e634SDaniel Mack return val; 234f0b5e634SDaniel Mack } 235f0b5e634SDaniel Mack 236f0b5e634SDaniel Mack /* 237f0b5e634SDaniel Mack * convert from the zero-based int to the byte/word for usb descriptor 238f0b5e634SDaniel Mack */ 239f0b5e634SDaniel Mack static int convert_bytes_value(struct usb_mixer_elem_info *cval, int val) 240f0b5e634SDaniel Mack { 241f0b5e634SDaniel Mack switch (cval->val_type) { 242f0b5e634SDaniel Mack case USB_MIXER_BOOLEAN: 243f0b5e634SDaniel Mack return !!val; 244f0b5e634SDaniel Mack case USB_MIXER_INV_BOOLEAN: 245f0b5e634SDaniel Mack return !val; 246f0b5e634SDaniel Mack case USB_MIXER_S8: 247f0b5e634SDaniel Mack case USB_MIXER_U8: 248f0b5e634SDaniel Mack return val & 0xff; 249f0b5e634SDaniel Mack case USB_MIXER_S16: 250f0b5e634SDaniel Mack case USB_MIXER_U16: 251f0b5e634SDaniel Mack return val & 0xffff; 252f0b5e634SDaniel Mack } 253f0b5e634SDaniel Mack return 0; /* not reached */ 254f0b5e634SDaniel Mack } 255f0b5e634SDaniel Mack 256f0b5e634SDaniel Mack static int get_relative_value(struct usb_mixer_elem_info *cval, int val) 257f0b5e634SDaniel Mack { 258f0b5e634SDaniel Mack if (!cval->res) 259f0b5e634SDaniel Mack cval->res = 1; 260f0b5e634SDaniel Mack if (val < cval->min) 261f0b5e634SDaniel Mack return 0; 262f0b5e634SDaniel Mack else if (val >= cval->max) 263e4d8aef2SLars-Peter Clausen return DIV_ROUND_UP(cval->max - cval->min, cval->res); 264f0b5e634SDaniel Mack else 265f0b5e634SDaniel Mack return (val - cval->min) / cval->res; 266f0b5e634SDaniel Mack } 267f0b5e634SDaniel Mack 268f0b5e634SDaniel Mack static int get_abs_value(struct usb_mixer_elem_info *cval, int val) 269f0b5e634SDaniel Mack { 270f0b5e634SDaniel Mack if (val < 0) 271f0b5e634SDaniel Mack return cval->min; 272f0b5e634SDaniel Mack if (!cval->res) 273f0b5e634SDaniel Mack cval->res = 1; 274f0b5e634SDaniel Mack val *= cval->res; 275f0b5e634SDaniel Mack val += cval->min; 276f0b5e634SDaniel Mack if (val > cval->max) 277f0b5e634SDaniel Mack return cval->max; 278f0b5e634SDaniel Mack return val; 279f0b5e634SDaniel Mack } 280f0b5e634SDaniel Mack 281bc18e31cSJulian Scheel static int uac2_ctl_value_size(int val_type) 282bc18e31cSJulian Scheel { 283bc18e31cSJulian Scheel switch (val_type) { 284bc18e31cSJulian Scheel case USB_MIXER_S32: 285bc18e31cSJulian Scheel case USB_MIXER_U32: 286bc18e31cSJulian Scheel return 4; 287bc18e31cSJulian Scheel case USB_MIXER_S16: 288bc18e31cSJulian Scheel case USB_MIXER_U16: 289bc18e31cSJulian Scheel return 2; 290bc18e31cSJulian Scheel default: 291bc18e31cSJulian Scheel return 1; 292bc18e31cSJulian Scheel } 293bc18e31cSJulian Scheel return 0; /* unreachable */ 294bc18e31cSJulian Scheel } 295bc18e31cSJulian Scheel 296f0b5e634SDaniel Mack 297f0b5e634SDaniel Mack /* 298f0b5e634SDaniel Mack * retrieve a mixer value 299f0b5e634SDaniel Mack */ 300f0b5e634SDaniel Mack 3010aef31b7SChris Wulff static inline int mixer_ctrl_intf(struct usb_mixer_interface *mixer) 3020aef31b7SChris Wulff { 3030aef31b7SChris Wulff return get_iface_desc(mixer->hostif)->bInterfaceNumber; 3040aef31b7SChris Wulff } 3050aef31b7SChris Wulff 3066bc170e4SDaniel Mack static int get_ctl_value_v1(struct usb_mixer_elem_info *cval, int request, 3076bc170e4SDaniel Mack int validx, int *value_ret) 308f0b5e634SDaniel Mack { 3093360b84bSTakashi Iwai struct snd_usb_audio *chip = cval->head.mixer->chip; 310f0b5e634SDaniel Mack unsigned char buf[2]; 311f0b5e634SDaniel Mack int val_len = cval->val_type >= USB_MIXER_S16 ? 2 : 1; 312f0b5e634SDaniel Mack int timeout = 10; 313978520b7STakashi Iwai int idx = 0, err; 314f0b5e634SDaniel Mack 31547ab1545STakashi Iwai err = snd_usb_lock_shutdown(chip); 31688a8516aSOliver Neukum if (err < 0) 31788a8516aSOliver Neukum return -EIO; 3186bc170e4SDaniel Mack 319f0b5e634SDaniel Mack while (timeout-- > 0) { 3200aef31b7SChris Wulff idx = mixer_ctrl_intf(cval->head.mixer) | (cval->head.id << 8); 3215a9a8ecaSStephen Barber err = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), request, 322f0b5e634SDaniel Mack USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, 3235a9a8ecaSStephen Barber validx, idx, buf, val_len); 3245a9a8ecaSStephen Barber if (err >= val_len) { 325f0b5e634SDaniel Mack *value_ret = convert_signed_value(cval, snd_usb_combine_bytes(buf, val_len)); 326978520b7STakashi Iwai err = 0; 327978520b7STakashi Iwai goto out; 3285a9a8ecaSStephen Barber } else if (err == -ETIMEDOUT) { 3295a9a8ecaSStephen Barber goto out; 330f0b5e634SDaniel Mack } 331f0b5e634SDaniel Mack } 3320ba41d91STakashi Iwai usb_audio_dbg(chip, 3330ba41d91STakashi Iwai "cannot get ctl value: req = %#x, wValue = %#x, wIndex = %#x, type = %d\n", 334978520b7STakashi Iwai request, validx, idx, cval->val_type); 335978520b7STakashi Iwai err = -EINVAL; 336978520b7STakashi Iwai 337978520b7STakashi Iwai out: 33847ab1545STakashi Iwai snd_usb_unlock_shutdown(chip); 339978520b7STakashi Iwai return err; 340f0b5e634SDaniel Mack } 341f0b5e634SDaniel Mack 3426bc170e4SDaniel Mack static int get_ctl_value_v2(struct usb_mixer_elem_info *cval, int request, 3436bc170e4SDaniel Mack int validx, int *value_ret) 34423caaf19SDaniel Mack { 3453360b84bSTakashi Iwai struct snd_usb_audio *chip = cval->head.mixer->chip; 346447cae58SKirill Marinushkin /* enough space for one range */ 347447cae58SKirill Marinushkin unsigned char buf[sizeof(__u16) + 3 * sizeof(__u32)]; 34823caaf19SDaniel Mack unsigned char *val; 349447cae58SKirill Marinushkin int idx = 0, ret, val_size, size; 35023caaf19SDaniel Mack __u8 bRequest; 35123caaf19SDaniel Mack 352447cae58SKirill Marinushkin val_size = uac2_ctl_value_size(cval->val_type); 353447cae58SKirill Marinushkin 354e8bdb6bbSDaniel Mack if (request == UAC_GET_CUR) { 355e8bdb6bbSDaniel Mack bRequest = UAC2_CS_CUR; 356447cae58SKirill Marinushkin size = val_size; 357e8bdb6bbSDaniel Mack } else { 358e8bdb6bbSDaniel Mack bRequest = UAC2_CS_RANGE; 359447cae58SKirill Marinushkin size = sizeof(__u16) + 3 * val_size; 360e8bdb6bbSDaniel Mack } 361e8bdb6bbSDaniel Mack 362e8bdb6bbSDaniel Mack memset(buf, 0, sizeof(buf)); 36323caaf19SDaniel Mack 36447ab1545STakashi Iwai ret = snd_usb_lock_shutdown(chip) ? -EIO : 0; 36588a8516aSOliver Neukum if (ret) 36688a8516aSOliver Neukum goto error; 36788a8516aSOliver Neukum 3680aef31b7SChris Wulff idx = mixer_ctrl_intf(cval->head.mixer) | (cval->head.id << 8); 3693d8d4dcfSDaniel Mack ret = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), bRequest, 37023caaf19SDaniel Mack USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, 371978520b7STakashi Iwai validx, idx, buf, size); 37247ab1545STakashi Iwai snd_usb_unlock_shutdown(chip); 37323caaf19SDaniel Mack 37423caaf19SDaniel Mack if (ret < 0) { 37588a8516aSOliver Neukum error: 3760ba41d91STakashi Iwai usb_audio_err(chip, 3770ba41d91STakashi Iwai "cannot get ctl value: req = %#x, wValue = %#x, wIndex = %#x, type = %d\n", 378978520b7STakashi Iwai request, validx, idx, cval->val_type); 37923caaf19SDaniel Mack return ret; 38023caaf19SDaniel Mack } 38123caaf19SDaniel Mack 382e8bdb6bbSDaniel Mack /* FIXME: how should we handle multiple triplets here? */ 383e8bdb6bbSDaniel Mack 38423caaf19SDaniel Mack switch (request) { 38523caaf19SDaniel Mack case UAC_GET_CUR: 38623caaf19SDaniel Mack val = buf; 38723caaf19SDaniel Mack break; 38823caaf19SDaniel Mack case UAC_GET_MIN: 38923caaf19SDaniel Mack val = buf + sizeof(__u16); 39023caaf19SDaniel Mack break; 39123caaf19SDaniel Mack case UAC_GET_MAX: 392447cae58SKirill Marinushkin val = buf + sizeof(__u16) + val_size; 39323caaf19SDaniel Mack break; 39423caaf19SDaniel Mack case UAC_GET_RES: 395447cae58SKirill Marinushkin val = buf + sizeof(__u16) + val_size * 2; 39623caaf19SDaniel Mack break; 39723caaf19SDaniel Mack default: 39823caaf19SDaniel Mack return -EINVAL; 39923caaf19SDaniel Mack } 40023caaf19SDaniel Mack 401447cae58SKirill Marinushkin *value_ret = convert_signed_value(cval, 402447cae58SKirill Marinushkin snd_usb_combine_bytes(val, val_size)); 40323caaf19SDaniel Mack 40423caaf19SDaniel Mack return 0; 40523caaf19SDaniel Mack } 40623caaf19SDaniel Mack 4076bc170e4SDaniel Mack static int get_ctl_value(struct usb_mixer_elem_info *cval, int request, 4086bc170e4SDaniel Mack int validx, int *value_ret) 40923caaf19SDaniel Mack { 4109f814105SEldad Zack validx += cval->idx_off; 4119f814105SEldad Zack 4123360b84bSTakashi Iwai return (cval->head.mixer->protocol == UAC_VERSION_1) ? 41323caaf19SDaniel Mack get_ctl_value_v1(cval, request, validx, value_ret) : 41423caaf19SDaniel Mack get_ctl_value_v2(cval, request, validx, value_ret); 41523caaf19SDaniel Mack } 41623caaf19SDaniel Mack 4176bc170e4SDaniel Mack static int get_cur_ctl_value(struct usb_mixer_elem_info *cval, 4186bc170e4SDaniel Mack int validx, int *value) 419f0b5e634SDaniel Mack { 420f0b5e634SDaniel Mack return get_ctl_value(cval, UAC_GET_CUR, validx, value); 421f0b5e634SDaniel Mack } 422f0b5e634SDaniel Mack 423f0b5e634SDaniel Mack /* channel = 0: master, 1 = first channel */ 424f0b5e634SDaniel Mack static inline int get_cur_mix_raw(struct usb_mixer_elem_info *cval, 425f0b5e634SDaniel Mack int channel, int *value) 426f0b5e634SDaniel Mack { 4276bc170e4SDaniel Mack return get_ctl_value(cval, UAC_GET_CUR, 4286bc170e4SDaniel Mack (cval->control << 8) | channel, 4296bc170e4SDaniel Mack value); 430f0b5e634SDaniel Mack } 431f0b5e634SDaniel Mack 432eef90451SChris J Arges int snd_usb_get_cur_mix_value(struct usb_mixer_elem_info *cval, 433f0b5e634SDaniel Mack int channel, int index, int *value) 434f0b5e634SDaniel Mack { 435f0b5e634SDaniel Mack int err; 436f0b5e634SDaniel Mack 437f0b5e634SDaniel Mack if (cval->cached & (1 << channel)) { 438f0b5e634SDaniel Mack *value = cval->cache_val[index]; 439f0b5e634SDaniel Mack return 0; 440f0b5e634SDaniel Mack } 441f0b5e634SDaniel Mack err = get_cur_mix_raw(cval, channel, value); 442f0b5e634SDaniel Mack if (err < 0) { 4433360b84bSTakashi Iwai if (!cval->head.mixer->ignore_ctl_error) 4443360b84bSTakashi Iwai usb_audio_dbg(cval->head.mixer->chip, 4450ba41d91STakashi Iwai "cannot get current value for control %d ch %d: err = %d\n", 446f0b5e634SDaniel Mack cval->control, channel, err); 447f0b5e634SDaniel Mack return err; 448f0b5e634SDaniel Mack } 449f0b5e634SDaniel Mack cval->cached |= 1 << channel; 450f0b5e634SDaniel Mack cval->cache_val[index] = *value; 451f0b5e634SDaniel Mack return 0; 452f0b5e634SDaniel Mack } 453f0b5e634SDaniel Mack 454f0b5e634SDaniel Mack /* 455f0b5e634SDaniel Mack * set a mixer value 456f0b5e634SDaniel Mack */ 457f0b5e634SDaniel Mack 458f0b5e634SDaniel Mack int snd_usb_mixer_set_ctl_value(struct usb_mixer_elem_info *cval, 459f0b5e634SDaniel Mack int request, int validx, int value_set) 460f0b5e634SDaniel Mack { 4613360b84bSTakashi Iwai struct snd_usb_audio *chip = cval->head.mixer->chip; 462bc18e31cSJulian Scheel unsigned char buf[4]; 463978520b7STakashi Iwai int idx = 0, val_len, err, timeout = 10; 46423caaf19SDaniel Mack 4659f814105SEldad Zack validx += cval->idx_off; 4669f814105SEldad Zack 4679a2fe9b8SRuslan Bilovol 4683360b84bSTakashi Iwai if (cval->head.mixer->protocol == UAC_VERSION_1) { 46923caaf19SDaniel Mack val_len = cval->val_type >= USB_MIXER_S16 ? 2 : 1; 4709a2fe9b8SRuslan Bilovol } else { /* UAC_VERSION_2/3 */ 471bc18e31cSJulian Scheel val_len = uac2_ctl_value_size(cval->val_type); 47223caaf19SDaniel Mack 47323caaf19SDaniel Mack /* FIXME */ 47423caaf19SDaniel Mack if (request != UAC_SET_CUR) { 4750ba41d91STakashi Iwai usb_audio_dbg(chip, "RANGE setting not yet supported\n"); 47623caaf19SDaniel Mack return -EINVAL; 47723caaf19SDaniel Mack } 47823caaf19SDaniel Mack 47923caaf19SDaniel Mack request = UAC2_CS_CUR; 48023caaf19SDaniel Mack } 481f0b5e634SDaniel Mack 482f0b5e634SDaniel Mack value_set = convert_bytes_value(cval, value_set); 483f0b5e634SDaniel Mack buf[0] = value_set & 0xff; 484f0b5e634SDaniel Mack buf[1] = (value_set >> 8) & 0xff; 485bc18e31cSJulian Scheel buf[2] = (value_set >> 16) & 0xff; 486bc18e31cSJulian Scheel buf[3] = (value_set >> 24) & 0xff; 48747ab1545STakashi Iwai 48847ab1545STakashi Iwai err = snd_usb_lock_shutdown(chip); 48988a8516aSOliver Neukum if (err < 0) 49088a8516aSOliver Neukum return -EIO; 49147ab1545STakashi Iwai 492978520b7STakashi Iwai while (timeout-- > 0) { 4930aef31b7SChris Wulff idx = mixer_ctrl_intf(cval->head.mixer) | (cval->head.id << 8); 4945a9a8ecaSStephen Barber err = snd_usb_ctl_msg(chip->dev, 4953d8d4dcfSDaniel Mack usb_sndctrlpipe(chip->dev, 0), request, 496f0b5e634SDaniel Mack USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT, 4975a9a8ecaSStephen Barber validx, idx, buf, val_len); 4985a9a8ecaSStephen Barber if (err >= 0) { 499978520b7STakashi Iwai err = 0; 500978520b7STakashi Iwai goto out; 5015a9a8ecaSStephen Barber } else if (err == -ETIMEDOUT) { 5025a9a8ecaSStephen Barber goto out; 50388a8516aSOliver Neukum } 504978520b7STakashi Iwai } 5050ba41d91STakashi Iwai usb_audio_dbg(chip, "cannot set ctl value: req = %#x, wValue = %#x, wIndex = %#x, type = %d, data = %#x/%#x\n", 506978520b7STakashi Iwai request, validx, idx, cval->val_type, buf[0], buf[1]); 507978520b7STakashi Iwai err = -EINVAL; 508978520b7STakashi Iwai 509978520b7STakashi Iwai out: 51047ab1545STakashi Iwai snd_usb_unlock_shutdown(chip); 511978520b7STakashi Iwai return err; 512f0b5e634SDaniel Mack } 513f0b5e634SDaniel Mack 5146bc170e4SDaniel Mack static int set_cur_ctl_value(struct usb_mixer_elem_info *cval, 5156bc170e4SDaniel Mack int validx, int value) 516f0b5e634SDaniel Mack { 517f0b5e634SDaniel Mack return snd_usb_mixer_set_ctl_value(cval, UAC_SET_CUR, validx, value); 518f0b5e634SDaniel Mack } 519f0b5e634SDaniel Mack 520eef90451SChris J Arges int snd_usb_set_cur_mix_value(struct usb_mixer_elem_info *cval, int channel, 521f0b5e634SDaniel Mack int index, int value) 522f0b5e634SDaniel Mack { 523f0b5e634SDaniel Mack int err; 524a6a33259SDaniel Mack unsigned int read_only = (channel == 0) ? 525a6a33259SDaniel Mack cval->master_readonly : 526a6a33259SDaniel Mack cval->ch_readonly & (1 << (channel - 1)); 527a6a33259SDaniel Mack 528a6a33259SDaniel Mack if (read_only) { 5293360b84bSTakashi Iwai usb_audio_dbg(cval->head.mixer->chip, 5300ba41d91STakashi Iwai "%s(): channel %d of control %d is read_only\n", 531a6a33259SDaniel Mack __func__, channel, cval->control); 532a6a33259SDaniel Mack return 0; 533a6a33259SDaniel Mack } 534a6a33259SDaniel Mack 5356bc170e4SDaniel Mack err = snd_usb_mixer_set_ctl_value(cval, 5366bc170e4SDaniel Mack UAC_SET_CUR, (cval->control << 8) | channel, 537f0b5e634SDaniel Mack value); 538f0b5e634SDaniel Mack if (err < 0) 539f0b5e634SDaniel Mack return err; 540f0b5e634SDaniel Mack cval->cached |= 1 << channel; 541f0b5e634SDaniel Mack cval->cache_val[index] = value; 542f0b5e634SDaniel Mack return 0; 543f0b5e634SDaniel Mack } 544f0b5e634SDaniel Mack 545f0b5e634SDaniel Mack /* 546f0b5e634SDaniel Mack * TLV callback for mixer volume controls 547f0b5e634SDaniel Mack */ 548285de9c0SFelix Homann int snd_usb_mixer_vol_tlv(struct snd_kcontrol *kcontrol, int op_flag, 549f0b5e634SDaniel Mack unsigned int size, unsigned int __user *_tlv) 550f0b5e634SDaniel Mack { 551f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval = kcontrol->private_data; 552f0b5e634SDaniel Mack DECLARE_TLV_DB_MINMAX(scale, 0, 0); 553f0b5e634SDaniel Mack 554f0b5e634SDaniel Mack if (size < sizeof(scale)) 555f0b5e634SDaniel Mack return -ENOMEM; 5560f174b35STakashi Iwai if (cval->min_mute) 5570f174b35STakashi Iwai scale[0] = SNDRV_CTL_TLVT_DB_MINMAX_MUTE; 558f0b5e634SDaniel Mack scale[2] = cval->dBmin; 559f0b5e634SDaniel Mack scale[3] = cval->dBmax; 560f0b5e634SDaniel Mack if (copy_to_user(_tlv, scale, sizeof(scale))) 561f0b5e634SDaniel Mack return -EFAULT; 562f0b5e634SDaniel Mack return 0; 563f0b5e634SDaniel Mack } 564f0b5e634SDaniel Mack 565f0b5e634SDaniel Mack /* 566f0b5e634SDaniel Mack * parser routines begin here... 567f0b5e634SDaniel Mack */ 568f0b5e634SDaniel Mack 569f0b5e634SDaniel Mack static int parse_audio_unit(struct mixer_build *state, int unitid); 570f0b5e634SDaniel Mack 571f0b5e634SDaniel Mack 572f0b5e634SDaniel Mack /* 573f0b5e634SDaniel Mack * check if the input/output channel routing is enabled on the given bitmap. 574f0b5e634SDaniel Mack * used for mixer unit parser 575f0b5e634SDaniel Mack */ 5766bc170e4SDaniel Mack static int check_matrix_bitmap(unsigned char *bmap, 5776bc170e4SDaniel Mack int ich, int och, int num_outs) 578f0b5e634SDaniel Mack { 579f0b5e634SDaniel Mack int idx = ich * num_outs + och; 580f0b5e634SDaniel Mack return bmap[idx >> 3] & (0x80 >> (idx & 7)); 581f0b5e634SDaniel Mack } 582f0b5e634SDaniel Mack 583f0b5e634SDaniel Mack /* 584f0b5e634SDaniel Mack * add an alsa control element 585f0b5e634SDaniel Mack * search and increment the index until an empty slot is found. 586f0b5e634SDaniel Mack * 587f0b5e634SDaniel Mack * if failed, give up and free the control instance. 588f0b5e634SDaniel Mack */ 589f0b5e634SDaniel Mack 590220345e9STakashi Iwai int snd_usb_mixer_add_list(struct usb_mixer_elem_list *list, 591220345e9STakashi Iwai struct snd_kcontrol *kctl, 592220345e9STakashi Iwai bool is_std_info) 593f0b5e634SDaniel Mack { 5943360b84bSTakashi Iwai struct usb_mixer_interface *mixer = list->mixer; 595f0b5e634SDaniel Mack int err; 596f0b5e634SDaniel Mack 597ef9d5970SDaniel Mack while (snd_ctl_find_id(mixer->chip->card, &kctl->id)) 598f0b5e634SDaniel Mack kctl->id.index++; 599f25ecf8fSTakashi Iwai err = snd_ctl_add(mixer->chip->card, kctl); 600f25ecf8fSTakashi Iwai if (err < 0) { 6016bc170e4SDaniel Mack usb_audio_dbg(mixer->chip, "cannot add control (err = %d)\n", 6026bc170e4SDaniel Mack err); 603f0b5e634SDaniel Mack return err; 604f0b5e634SDaniel Mack } 6053360b84bSTakashi Iwai list->kctl = kctl; 606220345e9STakashi Iwai list->is_std_info = is_std_info; 6073360b84bSTakashi Iwai list->next_id_elem = mixer->id_elems[list->id]; 6083360b84bSTakashi Iwai mixer->id_elems[list->id] = list; 609f0b5e634SDaniel Mack return 0; 610f0b5e634SDaniel Mack } 611f0b5e634SDaniel Mack 612f0b5e634SDaniel Mack /* 613f0b5e634SDaniel Mack * get a terminal name string 614f0b5e634SDaniel Mack */ 615f0b5e634SDaniel Mack 616f0b5e634SDaniel Mack static struct iterm_name_combo { 617f0b5e634SDaniel Mack int type; 618f0b5e634SDaniel Mack char *name; 619f0b5e634SDaniel Mack } iterm_names[] = { 620f0b5e634SDaniel Mack { 0x0300, "Output" }, 621f0b5e634SDaniel Mack { 0x0301, "Speaker" }, 622f0b5e634SDaniel Mack { 0x0302, "Headphone" }, 623f0b5e634SDaniel Mack { 0x0303, "HMD Audio" }, 624f0b5e634SDaniel Mack { 0x0304, "Desktop Speaker" }, 625f0b5e634SDaniel Mack { 0x0305, "Room Speaker" }, 626f0b5e634SDaniel Mack { 0x0306, "Com Speaker" }, 627f0b5e634SDaniel Mack { 0x0307, "LFE" }, 628f0b5e634SDaniel Mack { 0x0600, "External In" }, 629f0b5e634SDaniel Mack { 0x0601, "Analog In" }, 630f0b5e634SDaniel Mack { 0x0602, "Digital In" }, 631f0b5e634SDaniel Mack { 0x0603, "Line" }, 632f0b5e634SDaniel Mack { 0x0604, "Legacy In" }, 633f0b5e634SDaniel Mack { 0x0605, "IEC958 In" }, 634f0b5e634SDaniel Mack { 0x0606, "1394 DA Stream" }, 635f0b5e634SDaniel Mack { 0x0607, "1394 DV Stream" }, 636f0b5e634SDaniel Mack { 0x0700, "Embedded" }, 637f0b5e634SDaniel Mack { 0x0701, "Noise Source" }, 638f0b5e634SDaniel Mack { 0x0702, "Equalization Noise" }, 639f0b5e634SDaniel Mack { 0x0703, "CD" }, 640f0b5e634SDaniel Mack { 0x0704, "DAT" }, 641f0b5e634SDaniel Mack { 0x0705, "DCC" }, 642f0b5e634SDaniel Mack { 0x0706, "MiniDisk" }, 643f0b5e634SDaniel Mack { 0x0707, "Analog Tape" }, 644f0b5e634SDaniel Mack { 0x0708, "Phonograph" }, 645f0b5e634SDaniel Mack { 0x0709, "VCR Audio" }, 646f0b5e634SDaniel Mack { 0x070a, "Video Disk Audio" }, 647f0b5e634SDaniel Mack { 0x070b, "DVD Audio" }, 648f0b5e634SDaniel Mack { 0x070c, "TV Tuner Audio" }, 649f0b5e634SDaniel Mack { 0x070d, "Satellite Rec Audio" }, 650f0b5e634SDaniel Mack { 0x070e, "Cable Tuner Audio" }, 651f0b5e634SDaniel Mack { 0x070f, "DSS Audio" }, 652f0b5e634SDaniel Mack { 0x0710, "Radio Receiver" }, 653f0b5e634SDaniel Mack { 0x0711, "Radio Transmitter" }, 654f0b5e634SDaniel Mack { 0x0712, "Multi-Track Recorder" }, 655f0b5e634SDaniel Mack { 0x0713, "Synthesizer" }, 656f0b5e634SDaniel Mack { 0 }, 657f0b5e634SDaniel Mack }; 658f0b5e634SDaniel Mack 659eccfc1b8SRuslan Bilovol static int get_term_name(struct snd_usb_audio *chip, struct usb_audio_term *iterm, 660f0b5e634SDaniel Mack unsigned char *name, int maxlen, int term_only) 661f0b5e634SDaniel Mack { 662f0b5e634SDaniel Mack struct iterm_name_combo *names; 66356a23ee5STakashi Iwai int len; 664f0b5e634SDaniel Mack 66556a23ee5STakashi Iwai if (iterm->name) { 666eccfc1b8SRuslan Bilovol len = snd_usb_copy_string_desc(chip, iterm->name, 6676bc170e4SDaniel Mack name, maxlen); 66856a23ee5STakashi Iwai if (len) 66956a23ee5STakashi Iwai return len; 67056a23ee5STakashi Iwai } 671f0b5e634SDaniel Mack 672f0b5e634SDaniel Mack /* virtual type - not a real terminal */ 673f0b5e634SDaniel Mack if (iterm->type >> 16) { 674f0b5e634SDaniel Mack if (term_only) 675f0b5e634SDaniel Mack return 0; 676f0b5e634SDaniel Mack switch (iterm->type >> 16) { 6778b3a087fSJorge Sanjuan case UAC3_SELECTOR_UNIT: 6786bc170e4SDaniel Mack strcpy(name, "Selector"); 6796bc170e4SDaniel Mack return 8; 6808b3a087fSJorge Sanjuan case UAC3_PROCESSING_UNIT: 6816bc170e4SDaniel Mack strcpy(name, "Process Unit"); 6826bc170e4SDaniel Mack return 12; 6838b3a087fSJorge Sanjuan case UAC3_EXTENSION_UNIT: 6846bc170e4SDaniel Mack strcpy(name, "Ext Unit"); 6856bc170e4SDaniel Mack return 8; 6868b3a087fSJorge Sanjuan case UAC3_MIXER_UNIT: 6876bc170e4SDaniel Mack strcpy(name, "Mixer"); 6886bc170e4SDaniel Mack return 5; 689f0b5e634SDaniel Mack default: 690f0b5e634SDaniel Mack return sprintf(name, "Unit %d", iterm->id); 691f0b5e634SDaniel Mack } 692f0b5e634SDaniel Mack } 693f0b5e634SDaniel Mack 694f0b5e634SDaniel Mack switch (iterm->type & 0xff00) { 695f0b5e634SDaniel Mack case 0x0100: 6966bc170e4SDaniel Mack strcpy(name, "PCM"); 6976bc170e4SDaniel Mack return 3; 698f0b5e634SDaniel Mack case 0x0200: 6996bc170e4SDaniel Mack strcpy(name, "Mic"); 7006bc170e4SDaniel Mack return 3; 701f0b5e634SDaniel Mack case 0x0400: 7026bc170e4SDaniel Mack strcpy(name, "Headset"); 7036bc170e4SDaniel Mack return 7; 704f0b5e634SDaniel Mack case 0x0500: 7056bc170e4SDaniel Mack strcpy(name, "Phone"); 7066bc170e4SDaniel Mack return 5; 707f0b5e634SDaniel Mack } 708f0b5e634SDaniel Mack 7096bc170e4SDaniel Mack for (names = iterm_names; names->type; names++) { 710f0b5e634SDaniel Mack if (names->type == iterm->type) { 711f0b5e634SDaniel Mack strcpy(name, names->name); 712f0b5e634SDaniel Mack return strlen(names->name); 713f0b5e634SDaniel Mack } 714f0b5e634SDaniel Mack } 715f0b5e634SDaniel Mack 7166bc170e4SDaniel Mack return 0; 7176bc170e4SDaniel Mack } 718f0b5e634SDaniel Mack 719f0b5e634SDaniel Mack /* 7206cfd839aSJorge Sanjuan * Get logical cluster information for UAC3 devices. 7216cfd839aSJorge Sanjuan */ 7226cfd839aSJorge Sanjuan static int get_cluster_channels_v3(struct mixer_build *state, unsigned int cluster_id) 7236cfd839aSJorge Sanjuan { 7246cfd839aSJorge Sanjuan struct uac3_cluster_header_descriptor c_header; 7256cfd839aSJorge Sanjuan int err; 7266cfd839aSJorge Sanjuan 7276cfd839aSJorge Sanjuan err = snd_usb_ctl_msg(state->chip->dev, 7286cfd839aSJorge Sanjuan usb_rcvctrlpipe(state->chip->dev, 0), 7296cfd839aSJorge Sanjuan UAC3_CS_REQ_HIGH_CAPABILITY_DESCRIPTOR, 7306cfd839aSJorge Sanjuan USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, 7316cfd839aSJorge Sanjuan cluster_id, 7326cfd839aSJorge Sanjuan snd_usb_ctrl_intf(state->chip), 7336cfd839aSJorge Sanjuan &c_header, sizeof(c_header)); 7346cfd839aSJorge Sanjuan if (err < 0) 7356cfd839aSJorge Sanjuan goto error; 7366cfd839aSJorge Sanjuan if (err != sizeof(c_header)) { 7376cfd839aSJorge Sanjuan err = -EIO; 7386cfd839aSJorge Sanjuan goto error; 7396cfd839aSJorge Sanjuan } 7406cfd839aSJorge Sanjuan 7416cfd839aSJorge Sanjuan return c_header.bNrChannels; 7426cfd839aSJorge Sanjuan 7436cfd839aSJorge Sanjuan error: 7446cfd839aSJorge Sanjuan usb_audio_err(state->chip, "cannot request logical cluster ID: %d (err: %d)\n", cluster_id, err); 7456cfd839aSJorge Sanjuan return err; 7466cfd839aSJorge Sanjuan } 7476cfd839aSJorge Sanjuan 7486cfd839aSJorge Sanjuan /* 7496cfd839aSJorge Sanjuan * Get number of channels for a Mixer Unit. 7506cfd839aSJorge Sanjuan */ 7516cfd839aSJorge Sanjuan static int uac_mixer_unit_get_channels(struct mixer_build *state, 7526cfd839aSJorge Sanjuan struct uac_mixer_unit_descriptor *desc) 7536cfd839aSJorge Sanjuan { 7546cfd839aSJorge Sanjuan int mu_channels; 7556cfd839aSJorge Sanjuan 7566cfd839aSJorge Sanjuan switch (state->mixer->protocol) { 7576cfd839aSJorge Sanjuan case UAC_VERSION_1: 7586cfd839aSJorge Sanjuan case UAC_VERSION_2: 7596cfd839aSJorge Sanjuan default: 7600bfe5e43STakashi Iwai if (desc->bLength < sizeof(*desc) + desc->bNrInPins + 1) 7610bfe5e43STakashi Iwai return 0; /* no bmControls -> skip */ 7626cfd839aSJorge Sanjuan mu_channels = uac_mixer_unit_bNrChannels(desc); 7636cfd839aSJorge Sanjuan break; 7646cfd839aSJorge Sanjuan case UAC_VERSION_3: 7656cfd839aSJorge Sanjuan mu_channels = get_cluster_channels_v3(state, 7666cfd839aSJorge Sanjuan uac3_mixer_unit_wClusterDescrID(desc)); 7676cfd839aSJorge Sanjuan break; 7686cfd839aSJorge Sanjuan } 7696cfd839aSJorge Sanjuan 7706cfd839aSJorge Sanjuan return mu_channels; 7716cfd839aSJorge Sanjuan } 7726cfd839aSJorge Sanjuan 7736cfd839aSJorge Sanjuan /* 774e0ccdef9STakashi Iwai * Parse Input Terminal Unit 775f0b5e634SDaniel Mack */ 77619bce474SHui Peng static int __check_input_term(struct mixer_build *state, int id, 777e0ccdef9STakashi Iwai struct usb_audio_term *term); 778e0ccdef9STakashi Iwai 779e0ccdef9STakashi Iwai static int parse_term_uac1_iterm_unit(struct mixer_build *state, 780e0ccdef9STakashi Iwai struct usb_audio_term *term, 781e0ccdef9STakashi Iwai void *p1, int id) 782f0b5e634SDaniel Mack { 78323caaf19SDaniel Mack struct uac_input_terminal_descriptor *d = p1; 7849a2fe9b8SRuslan Bilovol 78523caaf19SDaniel Mack term->type = le16_to_cpu(d->wTerminalType); 78623caaf19SDaniel Mack term->channels = d->bNrChannels; 78723caaf19SDaniel Mack term->chconfig = le16_to_cpu(d->wChannelConfig); 78823caaf19SDaniel Mack term->name = d->iTerminal; 789e0ccdef9STakashi Iwai return 0; 790e0ccdef9STakashi Iwai } 7919430e547SJulian Scheel 792e0ccdef9STakashi Iwai static int parse_term_uac2_iterm_unit(struct mixer_build *state, 793e0ccdef9STakashi Iwai struct usb_audio_term *term, 794e0ccdef9STakashi Iwai void *p1, int id) 795e0ccdef9STakashi Iwai { 796e0ccdef9STakashi Iwai struct uac2_input_terminal_descriptor *d = p1; 797e0ccdef9STakashi Iwai int err; 798e0ccdef9STakashi Iwai 799e0ccdef9STakashi Iwai /* call recursively to verify the referenced clock entity */ 80019bce474SHui Peng err = __check_input_term(state, d->bCSourceID, term); 8019430e547SJulian Scheel if (err < 0) 8029430e547SJulian Scheel return err; 8039430e547SJulian Scheel 8049430e547SJulian Scheel /* save input term properties after recursion, 805e0ccdef9STakashi Iwai * to ensure they are not overriden by the recursion calls 806e0ccdef9STakashi Iwai */ 8079430e547SJulian Scheel term->id = id; 80823caaf19SDaniel Mack term->type = le16_to_cpu(d->wTerminalType); 80923caaf19SDaniel Mack term->channels = d->bNrChannels; 81023caaf19SDaniel Mack term->chconfig = le32_to_cpu(d->bmChannelConfig); 81123caaf19SDaniel Mack term->name = d->iTerminal; 8125dae5fd2SEldad Zack return 0; 8135dae5fd2SEldad Zack } 8145dae5fd2SEldad Zack 815e0ccdef9STakashi Iwai static int parse_term_uac3_iterm_unit(struct mixer_build *state, 816e0ccdef9STakashi Iwai struct usb_audio_term *term, 817e0ccdef9STakashi Iwai void *p1, int id) 818e0ccdef9STakashi Iwai { 8199a2fe9b8SRuslan Bilovol struct uac3_input_terminal_descriptor *d = p1; 820e0ccdef9STakashi Iwai int err; 8219a2fe9b8SRuslan Bilovol 822e0ccdef9STakashi Iwai /* call recursively to verify the referenced clock entity */ 82319bce474SHui Peng err = __check_input_term(state, d->bCSourceID, term); 8249a2fe9b8SRuslan Bilovol if (err < 0) 8259a2fe9b8SRuslan Bilovol return err; 8269a2fe9b8SRuslan Bilovol 8279a2fe9b8SRuslan Bilovol /* save input term properties after recursion, 828e0ccdef9STakashi Iwai * to ensure they are not overriden by the recursion calls 829e0ccdef9STakashi Iwai */ 8309a2fe9b8SRuslan Bilovol term->id = id; 8319a2fe9b8SRuslan Bilovol term->type = le16_to_cpu(d->wTerminalType); 8329a2fe9b8SRuslan Bilovol 83371066945SJorge Sanjuan err = get_cluster_channels_v3(state, le16_to_cpu(d->wClusterDescrID)); 83471066945SJorge Sanjuan if (err < 0) 83571066945SJorge Sanjuan return err; 83671066945SJorge Sanjuan term->channels = err; 83771066945SJorge Sanjuan 83871066945SJorge Sanjuan /* REVISIT: UAC3 IT doesn't have channels cfg */ 8399a2fe9b8SRuslan Bilovol term->chconfig = 0; 8409a2fe9b8SRuslan Bilovol 8419a2fe9b8SRuslan Bilovol term->name = le16_to_cpu(d->wTerminalDescrStr); 8429a2fe9b8SRuslan Bilovol return 0; 8439a2fe9b8SRuslan Bilovol } 8449a2fe9b8SRuslan Bilovol 845e0ccdef9STakashi Iwai static int parse_term_mixer_unit(struct mixer_build *state, 846e0ccdef9STakashi Iwai struct usb_audio_term *term, 847e0ccdef9STakashi Iwai void *p1, int id) 848e0ccdef9STakashi Iwai { 849e0ccdef9STakashi Iwai struct uac_mixer_unit_descriptor *d = p1; 850e0ccdef9STakashi Iwai int protocol = state->mixer->protocol; 851e0ccdef9STakashi Iwai int err; 852e0ccdef9STakashi Iwai 853e0ccdef9STakashi Iwai err = uac_mixer_unit_get_channels(state, d); 854e0ccdef9STakashi Iwai if (err <= 0) 855e0ccdef9STakashi Iwai return err; 856e0ccdef9STakashi Iwai 857e0ccdef9STakashi Iwai term->type = UAC3_MIXER_UNIT << 16; /* virtual type */ 858e0ccdef9STakashi Iwai term->channels = err; 859e0ccdef9STakashi Iwai if (protocol != UAC_VERSION_3) { 860e0ccdef9STakashi Iwai term->chconfig = uac_mixer_unit_wChannelConfig(d, protocol); 861e0ccdef9STakashi Iwai term->name = uac_mixer_unit_iMixer(d); 8629a2fe9b8SRuslan Bilovol } 863e0ccdef9STakashi Iwai return 0; 864e0ccdef9STakashi Iwai } 865e0ccdef9STakashi Iwai 866e0ccdef9STakashi Iwai static int parse_term_selector_unit(struct mixer_build *state, 867e0ccdef9STakashi Iwai struct usb_audio_term *term, 868e0ccdef9STakashi Iwai void *p1, int id) 869e0ccdef9STakashi Iwai { 870e0ccdef9STakashi Iwai struct uac_selector_unit_descriptor *d = p1; 871e0ccdef9STakashi Iwai int err; 872e0ccdef9STakashi Iwai 873e0ccdef9STakashi Iwai /* call recursively to retrieve the channel info */ 874e0ccdef9STakashi Iwai err = __check_input_term(state, d->baSourceID[0], term); 875e0ccdef9STakashi Iwai if (err < 0) 876e0ccdef9STakashi Iwai return err; 877e0ccdef9STakashi Iwai term->type = UAC3_SELECTOR_UNIT << 16; /* virtual type */ 878e0ccdef9STakashi Iwai term->id = id; 879e0ccdef9STakashi Iwai if (state->mixer->protocol != UAC_VERSION_3) 880e0ccdef9STakashi Iwai term->name = uac_selector_unit_iSelector(d); 881e0ccdef9STakashi Iwai return 0; 882e0ccdef9STakashi Iwai } 883e0ccdef9STakashi Iwai 884e0ccdef9STakashi Iwai static int parse_term_proc_unit(struct mixer_build *state, 885e0ccdef9STakashi Iwai struct usb_audio_term *term, 886e0ccdef9STakashi Iwai void *p1, int id, int vtype) 887e0ccdef9STakashi Iwai { 888e0ccdef9STakashi Iwai struct uac_processing_unit_descriptor *d = p1; 889e0ccdef9STakashi Iwai int protocol = state->mixer->protocol; 890e0ccdef9STakashi Iwai int err; 891e0ccdef9STakashi Iwai 892e0ccdef9STakashi Iwai if (d->bNrInPins) { 893e0ccdef9STakashi Iwai /* call recursively to retrieve the channel info */ 894e0ccdef9STakashi Iwai err = __check_input_term(state, d->baSourceID[0], term); 895e0ccdef9STakashi Iwai if (err < 0) 896e0ccdef9STakashi Iwai return err; 897e0ccdef9STakashi Iwai } 898e0ccdef9STakashi Iwai 899e0ccdef9STakashi Iwai term->type = vtype << 16; /* virtual type */ 900e0ccdef9STakashi Iwai term->id = id; 901e0ccdef9STakashi Iwai 902e0ccdef9STakashi Iwai if (protocol == UAC_VERSION_3) 903e0ccdef9STakashi Iwai return 0; 904e0ccdef9STakashi Iwai 905e0ccdef9STakashi Iwai if (!term->channels) { 906e0ccdef9STakashi Iwai term->channels = uac_processing_unit_bNrChannels(d); 907e0ccdef9STakashi Iwai term->chconfig = uac_processing_unit_wChannelConfig(d, protocol); 908e0ccdef9STakashi Iwai } 909e0ccdef9STakashi Iwai term->name = uac_processing_unit_iProcessing(d, protocol); 910e0ccdef9STakashi Iwai return 0; 911e0ccdef9STakashi Iwai } 912e0ccdef9STakashi Iwai 913d75a170fSTakashi Iwai static int parse_term_effect_unit(struct mixer_build *state, 914d75a170fSTakashi Iwai struct usb_audio_term *term, 915d75a170fSTakashi Iwai void *p1, int id) 916d75a170fSTakashi Iwai { 91760081b35STakashi Iwai struct uac2_effect_unit_descriptor *d = p1; 91860081b35STakashi Iwai int err; 91960081b35STakashi Iwai 92060081b35STakashi Iwai err = __check_input_term(state, d->bSourceID, term); 92160081b35STakashi Iwai if (err < 0) 92260081b35STakashi Iwai return err; 923d75a170fSTakashi Iwai term->type = UAC3_EFFECT_UNIT << 16; /* virtual type */ 924d75a170fSTakashi Iwai term->id = id; 925d75a170fSTakashi Iwai return 0; 926d75a170fSTakashi Iwai } 927d75a170fSTakashi Iwai 928e0ccdef9STakashi Iwai static int parse_term_uac2_clock_source(struct mixer_build *state, 929e0ccdef9STakashi Iwai struct usb_audio_term *term, 930e0ccdef9STakashi Iwai void *p1, int id) 931e0ccdef9STakashi Iwai { 932e0ccdef9STakashi Iwai struct uac_clock_source_descriptor *d = p1; 933e0ccdef9STakashi Iwai 934e0ccdef9STakashi Iwai term->type = UAC3_CLOCK_SOURCE << 16; /* virtual type */ 935e0ccdef9STakashi Iwai term->id = id; 936e0ccdef9STakashi Iwai term->name = d->iClockSource; 937e0ccdef9STakashi Iwai return 0; 938e0ccdef9STakashi Iwai } 939e0ccdef9STakashi Iwai 940e0ccdef9STakashi Iwai static int parse_term_uac3_clock_source(struct mixer_build *state, 941e0ccdef9STakashi Iwai struct usb_audio_term *term, 942e0ccdef9STakashi Iwai void *p1, int id) 943e0ccdef9STakashi Iwai { 9449a2fe9b8SRuslan Bilovol struct uac3_clock_source_descriptor *d = p1; 9459a2fe9b8SRuslan Bilovol 9468b3a087fSJorge Sanjuan term->type = UAC3_CLOCK_SOURCE << 16; /* virtual type */ 9479a2fe9b8SRuslan Bilovol term->id = id; 9489a2fe9b8SRuslan Bilovol term->name = le16_to_cpu(d->wClockSourceStr); 9499a2fe9b8SRuslan Bilovol return 0; 9509a2fe9b8SRuslan Bilovol } 9516cfd839aSJorge Sanjuan 952e0ccdef9STakashi Iwai #define PTYPE(a, b) ((a) << 8 | (b)) 9536cfd839aSJorge Sanjuan 954e0ccdef9STakashi Iwai /* 955e0ccdef9STakashi Iwai * parse the source unit recursively until it reaches to a terminal 956e0ccdef9STakashi Iwai * or a branched unit. 957e0ccdef9STakashi Iwai */ 958e0ccdef9STakashi Iwai static int __check_input_term(struct mixer_build *state, int id, 959e0ccdef9STakashi Iwai struct usb_audio_term *term) 960e0ccdef9STakashi Iwai { 961e0ccdef9STakashi Iwai int protocol = state->mixer->protocol; 962e0ccdef9STakashi Iwai void *p1; 963e0ccdef9STakashi Iwai unsigned char *hdr; 9646cfd839aSJorge Sanjuan 965e0ccdef9STakashi Iwai for (;;) { 966e0ccdef9STakashi Iwai /* a loop in the terminal chain? */ 967e0ccdef9STakashi Iwai if (test_and_set_bit(id, state->termbitmap)) 9680f292f02SJorge Sanjuan return -EINVAL; 9690f292f02SJorge Sanjuan 970e0ccdef9STakashi Iwai p1 = find_audio_control_unit(state, id); 971e0ccdef9STakashi Iwai if (!p1) 972e0ccdef9STakashi Iwai break; 973e0ccdef9STakashi Iwai if (!snd_usb_validate_audio_desc(p1, protocol)) 974e0ccdef9STakashi Iwai break; /* bad descriptor */ 9750f292f02SJorge Sanjuan 976e0ccdef9STakashi Iwai hdr = p1; 9770f292f02SJorge Sanjuan term->id = id; 9780f292f02SJorge Sanjuan 979e0ccdef9STakashi Iwai switch (PTYPE(protocol, hdr[2])) { 980e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_1, UAC_FEATURE_UNIT): 981e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_2, UAC_FEATURE_UNIT): 982e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_3, UAC3_FEATURE_UNIT): { 983e0ccdef9STakashi Iwai /* the header is the same for all versions */ 984e0ccdef9STakashi Iwai struct uac_feature_unit_descriptor *d = p1; 985e0ccdef9STakashi Iwai 986e0ccdef9STakashi Iwai id = d->bSourceID; 987e0ccdef9STakashi Iwai break; /* continue to parse */ 9880f292f02SJorge Sanjuan } 989e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_1, UAC_INPUT_TERMINAL): 990e0ccdef9STakashi Iwai return parse_term_uac1_iterm_unit(state, term, p1, id); 991e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_2, UAC_INPUT_TERMINAL): 992e0ccdef9STakashi Iwai return parse_term_uac2_iterm_unit(state, term, p1, id); 993e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_3, UAC_INPUT_TERMINAL): 994e0ccdef9STakashi Iwai return parse_term_uac3_iterm_unit(state, term, p1, id); 995e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_1, UAC_MIXER_UNIT): 996e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_2, UAC_MIXER_UNIT): 997e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_3, UAC3_MIXER_UNIT): 998e0ccdef9STakashi Iwai return parse_term_mixer_unit(state, term, p1, id); 999e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_1, UAC_SELECTOR_UNIT): 1000e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_2, UAC_SELECTOR_UNIT): 1001e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_2, UAC2_CLOCK_SELECTOR): 1002e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_3, UAC3_SELECTOR_UNIT): 1003e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_3, UAC3_CLOCK_SELECTOR): 1004e0ccdef9STakashi Iwai return parse_term_selector_unit(state, term, p1, id); 1005e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_1, UAC1_PROCESSING_UNIT): 1006e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_2, UAC2_PROCESSING_UNIT_V2): 1007e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_3, UAC3_PROCESSING_UNIT): 1008e0ccdef9STakashi Iwai return parse_term_proc_unit(state, term, p1, id, 1009e0ccdef9STakashi Iwai UAC3_PROCESSING_UNIT); 1010e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_2, UAC2_EFFECT_UNIT): 1011e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_3, UAC3_EFFECT_UNIT): 1012d75a170fSTakashi Iwai return parse_term_effect_unit(state, term, p1, id); 1013e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_1, UAC1_EXTENSION_UNIT): 1014e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_2, UAC2_EXTENSION_UNIT_V2): 1015e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_3, UAC3_EXTENSION_UNIT): 1016e0ccdef9STakashi Iwai return parse_term_proc_unit(state, term, p1, id, 1017e0ccdef9STakashi Iwai UAC3_EXTENSION_UNIT); 1018e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_2, UAC2_CLOCK_SOURCE): 1019e0ccdef9STakashi Iwai return parse_term_uac2_clock_source(state, term, p1, id); 1020e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_3, UAC3_CLOCK_SOURCE): 1021e0ccdef9STakashi Iwai return parse_term_uac3_clock_source(state, term, p1, id); 10229a2fe9b8SRuslan Bilovol default: 10239a2fe9b8SRuslan Bilovol return -ENODEV; 10249a2fe9b8SRuslan Bilovol } 10259a2fe9b8SRuslan Bilovol } 1026f0b5e634SDaniel Mack return -ENODEV; 1027f0b5e634SDaniel Mack } 1028f0b5e634SDaniel Mack 102919bce474SHui Peng 103019bce474SHui Peng static int check_input_term(struct mixer_build *state, int id, 103119bce474SHui Peng struct usb_audio_term *term) 103219bce474SHui Peng { 103319bce474SHui Peng memset(term, 0, sizeof(*term)); 103419bce474SHui Peng memset(state->termbitmap, 0, sizeof(state->termbitmap)); 103519bce474SHui Peng return __check_input_term(state, id, term); 103619bce474SHui Peng } 103719bce474SHui Peng 1038f0b5e634SDaniel Mack /* 1039f0b5e634SDaniel Mack * Feature Unit 1040f0b5e634SDaniel Mack */ 1041f0b5e634SDaniel Mack 1042f0b5e634SDaniel Mack /* feature unit control information */ 1043f0b5e634SDaniel Mack struct usb_feature_control_info { 104421e9b3e9SAndrew Chant int control; 1045f0b5e634SDaniel Mack const char *name; 1046bc18e31cSJulian Scheel int type; /* data type for uac1 */ 1047bc18e31cSJulian Scheel int type_uac2; /* data type for uac2 if different from uac1, else -1 */ 1048f0b5e634SDaniel Mack }; 1049f0b5e634SDaniel Mack 1050a01df925STakashi Iwai static const struct usb_feature_control_info audio_feature_info[] = { 105121e9b3e9SAndrew Chant { UAC_FU_MUTE, "Mute", USB_MIXER_INV_BOOLEAN, -1 }, 105221e9b3e9SAndrew Chant { UAC_FU_VOLUME, "Volume", USB_MIXER_S16, -1 }, 105321e9b3e9SAndrew Chant { UAC_FU_BASS, "Tone Control - Bass", USB_MIXER_S8, -1 }, 105421e9b3e9SAndrew Chant { UAC_FU_MID, "Tone Control - Mid", USB_MIXER_S8, -1 }, 105521e9b3e9SAndrew Chant { UAC_FU_TREBLE, "Tone Control - Treble", USB_MIXER_S8, -1 }, 105621e9b3e9SAndrew Chant { UAC_FU_GRAPHIC_EQUALIZER, "Graphic Equalizer", USB_MIXER_S8, -1 }, /* FIXME: not implemented yet */ 105721e9b3e9SAndrew Chant { UAC_FU_AUTOMATIC_GAIN, "Auto Gain Control", USB_MIXER_BOOLEAN, -1 }, 105821e9b3e9SAndrew Chant { UAC_FU_DELAY, "Delay Control", USB_MIXER_U16, USB_MIXER_U32 }, 105921e9b3e9SAndrew Chant { UAC_FU_BASS_BOOST, "Bass Boost", USB_MIXER_BOOLEAN, -1 }, 106021e9b3e9SAndrew Chant { UAC_FU_LOUDNESS, "Loudness", USB_MIXER_BOOLEAN, -1 }, 10612e0281d1SDaniel Mack /* UAC2 specific */ 106221e9b3e9SAndrew Chant { UAC2_FU_INPUT_GAIN, "Input Gain Control", USB_MIXER_S16, -1 }, 106321e9b3e9SAndrew Chant { UAC2_FU_INPUT_GAIN_PAD, "Input Gain Pad Control", USB_MIXER_S16, -1 }, 106421e9b3e9SAndrew Chant { UAC2_FU_PHASE_INVERTER, "Phase Inverter Control", USB_MIXER_BOOLEAN, -1 }, 1065f0b5e634SDaniel Mack }; 1066f0b5e634SDaniel Mack 106752c3e317STakashi Iwai static void usb_mixer_elem_info_free(struct usb_mixer_elem_info *cval) 106852c3e317STakashi Iwai { 106952c3e317STakashi Iwai kfree(cval); 107052c3e317STakashi Iwai } 107152c3e317STakashi Iwai 1072f0b5e634SDaniel Mack /* private_free callback */ 1073eef90451SChris J Arges void snd_usb_mixer_elem_free(struct snd_kcontrol *kctl) 1074f0b5e634SDaniel Mack { 107552c3e317STakashi Iwai usb_mixer_elem_info_free(kctl->private_data); 1076f0b5e634SDaniel Mack kctl->private_data = NULL; 1077f0b5e634SDaniel Mack } 1078f0b5e634SDaniel Mack 1079f0b5e634SDaniel Mack /* 1080f0b5e634SDaniel Mack * interface to ALSA control for feature/mixer units 1081f0b5e634SDaniel Mack */ 1082f0b5e634SDaniel Mack 1083dcaaf9f2STakashi Iwai /* volume control quirks */ 1084dcaaf9f2STakashi Iwai static void volume_control_quirks(struct usb_mixer_elem_info *cval, 1085dcaaf9f2STakashi Iwai struct snd_kcontrol *kctl) 1086dcaaf9f2STakashi Iwai { 10873360b84bSTakashi Iwai struct snd_usb_audio *chip = cval->head.mixer->chip; 10880ba41d91STakashi Iwai switch (chip->usb_id) { 1089d50ed624SEldad Zack case USB_ID(0x0763, 0x2030): /* M-Audio Fast Track C400 */ 1090e9a25e04SMatt Gruskin case USB_ID(0x0763, 0x2031): /* M-Audio Fast Track C600 */ 1091d50ed624SEldad Zack if (strcmp(kctl->id.name, "Effect Duration") == 0) { 1092d50ed624SEldad Zack cval->min = 0x0000; 1093d50ed624SEldad Zack cval->max = 0xffff; 1094d50ed624SEldad Zack cval->res = 0x00e6; 1095d50ed624SEldad Zack break; 1096d50ed624SEldad Zack } 1097d50ed624SEldad Zack if (strcmp(kctl->id.name, "Effect Volume") == 0 || 1098d50ed624SEldad Zack strcmp(kctl->id.name, "Effect Feedback Volume") == 0) { 1099d50ed624SEldad Zack cval->min = 0x00; 1100d50ed624SEldad Zack cval->max = 0xff; 1101d50ed624SEldad Zack break; 1102d50ed624SEldad Zack } 1103d50ed624SEldad Zack if (strstr(kctl->id.name, "Effect Return") != NULL) { 1104d50ed624SEldad Zack cval->min = 0xb706; 1105d50ed624SEldad Zack cval->max = 0xff7b; 1106d50ed624SEldad Zack cval->res = 0x0073; 1107d50ed624SEldad Zack break; 1108d50ed624SEldad Zack } 1109d50ed624SEldad Zack if ((strstr(kctl->id.name, "Playback Volume") != NULL) || 1110d50ed624SEldad Zack (strstr(kctl->id.name, "Effect Send") != NULL)) { 1111d50ed624SEldad Zack cval->min = 0xb5fb; /* -73 dB = 0xb6ff */ 1112d50ed624SEldad Zack cval->max = 0xfcfe; 1113d50ed624SEldad Zack cval->res = 0x0073; 1114d50ed624SEldad Zack } 1115d50ed624SEldad Zack break; 1116d50ed624SEldad Zack 1117d34bf148SFelix Homann case USB_ID(0x0763, 0x2081): /* M-Audio Fast Track Ultra 8R */ 1118d34bf148SFelix Homann case USB_ID(0x0763, 0x2080): /* M-Audio Fast Track Ultra */ 1119d34bf148SFelix Homann if (strcmp(kctl->id.name, "Effect Duration") == 0) { 11200ba41d91STakashi Iwai usb_audio_info(chip, 11210ba41d91STakashi Iwai "set quirk for FTU Effect Duration\n"); 1122d34bf148SFelix Homann cval->min = 0x0000; 1123d34bf148SFelix Homann cval->max = 0x7f00; 1124d34bf148SFelix Homann cval->res = 0x0100; 1125d34bf148SFelix Homann break; 1126d34bf148SFelix Homann } 1127d34bf148SFelix Homann if (strcmp(kctl->id.name, "Effect Volume") == 0 || 1128d34bf148SFelix Homann strcmp(kctl->id.name, "Effect Feedback Volume") == 0) { 11290ba41d91STakashi Iwai usb_audio_info(chip, 11300ba41d91STakashi Iwai "set quirks for FTU Effect Feedback/Volume\n"); 1131d34bf148SFelix Homann cval->min = 0x00; 1132d34bf148SFelix Homann cval->max = 0x7f; 1133d34bf148SFelix Homann break; 1134d34bf148SFelix Homann } 1135d34bf148SFelix Homann break; 1136d34bf148SFelix Homann 113721493316SFederico Cuello case USB_ID(0x0d8c, 0x0103): 113821493316SFederico Cuello if (!strcmp(kctl->id.name, "PCM Playback Volume")) { 113921493316SFederico Cuello usb_audio_info(chip, 114021493316SFederico Cuello "set volume quirk for CM102-A+/102S+\n"); 114121493316SFederico Cuello cval->min = -256; 114221493316SFederico Cuello } 114321493316SFederico Cuello break; 114421493316SFederico Cuello 1145dcaaf9f2STakashi Iwai case USB_ID(0x0471, 0x0101): 1146dcaaf9f2STakashi Iwai case USB_ID(0x0471, 0x0104): 1147dcaaf9f2STakashi Iwai case USB_ID(0x0471, 0x0105): 1148dcaaf9f2STakashi Iwai case USB_ID(0x0672, 0x1041): 1149dcaaf9f2STakashi Iwai /* quirk for UDA1321/N101. 1150dcaaf9f2STakashi Iwai * note that detection between firmware 2.1.1.7 (N101) 1151dcaaf9f2STakashi Iwai * and later 2.1.1.21 is not very clear from datasheets. 1152dcaaf9f2STakashi Iwai * I hope that the min value is -15360 for newer firmware --jk 1153dcaaf9f2STakashi Iwai */ 1154dcaaf9f2STakashi Iwai if (!strcmp(kctl->id.name, "PCM Playback Volume") && 1155dcaaf9f2STakashi Iwai cval->min == -15616) { 11560ba41d91STakashi Iwai usb_audio_info(chip, 1157dcaaf9f2STakashi Iwai "set volume quirk for UDA1321/N101 chip\n"); 1158dcaaf9f2STakashi Iwai cval->max = -256; 1159dcaaf9f2STakashi Iwai } 1160dcaaf9f2STakashi Iwai break; 1161dcaaf9f2STakashi Iwai 1162dcaaf9f2STakashi Iwai case USB_ID(0x046d, 0x09a4): 1163dcaaf9f2STakashi Iwai if (!strcmp(kctl->id.name, "Mic Capture Volume")) { 11640ba41d91STakashi Iwai usb_audio_info(chip, 1165dcaaf9f2STakashi Iwai "set volume quirk for QuickCam E3500\n"); 1166dcaaf9f2STakashi Iwai cval->min = 6080; 1167dcaaf9f2STakashi Iwai cval->max = 8768; 1168dcaaf9f2STakashi Iwai cval->res = 192; 1169dcaaf9f2STakashi Iwai } 1170dcaaf9f2STakashi Iwai break; 1171dcaaf9f2STakashi Iwai 1172e805ca8bSTakashi Iwai case USB_ID(0x046d, 0x0807): /* Logitech Webcam C500 */ 1173dcaaf9f2STakashi Iwai case USB_ID(0x046d, 0x0808): 1174dcaaf9f2STakashi Iwai case USB_ID(0x046d, 0x0809): 117564559311SJason Lee Cragg case USB_ID(0x046d, 0x0819): /* Logitech Webcam C210 */ 117636691e1bSTakashi Iwai case USB_ID(0x046d, 0x081b): /* HD Webcam c310 */ 117755c0008bSAlexey Fisher case USB_ID(0x046d, 0x081d): /* HD Webcam c510 */ 117811e7064fSTakashi Iwai case USB_ID(0x046d, 0x0825): /* HD Webcam c270 */ 1179140d37deSMaksim A. Boyko case USB_ID(0x046d, 0x0826): /* HD Webcam c525 */ 11801ef9f058SWolfram Sang case USB_ID(0x046d, 0x08ca): /* Logitech Quickcam Fusion */ 1181dcaaf9f2STakashi Iwai case USB_ID(0x046d, 0x0991): 118282ffb6fcSCon Kolivas case USB_ID(0x046d, 0x09a2): /* QuickCam Communicate Deluxe/S7500 */ 1183dcaaf9f2STakashi Iwai /* Most audio usb devices lie about volume resolution. 1184dcaaf9f2STakashi Iwai * Most Logitech webcams have res = 384. 118582ffb6fcSCon Kolivas * Probably there is some logitech magic behind this number --fishor 1186dcaaf9f2STakashi Iwai */ 1187dcaaf9f2STakashi Iwai if (!strcmp(kctl->id.name, "Mic Capture Volume")) { 11880ba41d91STakashi Iwai usb_audio_info(chip, 1189dcaaf9f2STakashi Iwai "set resolution quirk: cval->res = 384\n"); 1190dcaaf9f2STakashi Iwai cval->res = 384; 1191dcaaf9f2STakashi Iwai } 1192dcaaf9f2STakashi Iwai break; 11934020d1ccSChris Chiu case USB_ID(0x0495, 0x3042): /* ESS Technology Asus USB DAC */ 11944020d1ccSChris Chiu if ((strstr(kctl->id.name, "Playback Volume") != NULL) || 11954020d1ccSChris Chiu strstr(kctl->id.name, "Capture Volume") != NULL) { 11964020d1ccSChris Chiu cval->min >>= 8; 11974020d1ccSChris Chiu cval->max = 0; 11984020d1ccSChris Chiu cval->res = 1; 11994020d1ccSChris Chiu } 12004020d1ccSChris Chiu break; 1201dcaaf9f2STakashi Iwai } 1202dcaaf9f2STakashi Iwai } 1203dcaaf9f2STakashi Iwai 1204f0b5e634SDaniel Mack /* 1205f0b5e634SDaniel Mack * retrieve the minimum and maximum values for the specified control 1206f0b5e634SDaniel Mack */ 1207dcaaf9f2STakashi Iwai static int get_min_max_with_quirks(struct usb_mixer_elem_info *cval, 1208dcaaf9f2STakashi Iwai int default_min, struct snd_kcontrol *kctl) 1209f0b5e634SDaniel Mack { 1210f0b5e634SDaniel Mack /* for failsafe */ 1211f0b5e634SDaniel Mack cval->min = default_min; 1212f0b5e634SDaniel Mack cval->max = cval->min + 1; 1213f0b5e634SDaniel Mack cval->res = 1; 1214f0b5e634SDaniel Mack cval->dBmin = cval->dBmax = 0; 1215f0b5e634SDaniel Mack 1216f0b5e634SDaniel Mack if (cval->val_type == USB_MIXER_BOOLEAN || 1217f0b5e634SDaniel Mack cval->val_type == USB_MIXER_INV_BOOLEAN) { 1218f0b5e634SDaniel Mack cval->initialized = 1; 1219f0b5e634SDaniel Mack } else { 1220f0b5e634SDaniel Mack int minchn = 0; 1221f0b5e634SDaniel Mack if (cval->cmask) { 1222f0b5e634SDaniel Mack int i; 1223f0b5e634SDaniel Mack for (i = 0; i < MAX_CHANNELS; i++) 1224f0b5e634SDaniel Mack if (cval->cmask & (1 << i)) { 1225f0b5e634SDaniel Mack minchn = i + 1; 1226f0b5e634SDaniel Mack break; 1227f0b5e634SDaniel Mack } 1228f0b5e634SDaniel Mack } 1229f0b5e634SDaniel Mack if (get_ctl_value(cval, UAC_GET_MAX, (cval->control << 8) | minchn, &cval->max) < 0 || 1230f0b5e634SDaniel Mack get_ctl_value(cval, UAC_GET_MIN, (cval->control << 8) | minchn, &cval->min) < 0) { 12313360b84bSTakashi Iwai usb_audio_err(cval->head.mixer->chip, 12320ba41d91STakashi Iwai "%d:%d: cannot get min/max values for control %d (id %d)\n", 12330aef31b7SChris Wulff cval->head.id, mixer_ctrl_intf(cval->head.mixer), 12343360b84bSTakashi Iwai cval->control, cval->head.id); 1235f0b5e634SDaniel Mack return -EINVAL; 1236f0b5e634SDaniel Mack } 12376bc170e4SDaniel Mack if (get_ctl_value(cval, UAC_GET_RES, 12386bc170e4SDaniel Mack (cval->control << 8) | minchn, 12396bc170e4SDaniel Mack &cval->res) < 0) { 1240f0b5e634SDaniel Mack cval->res = 1; 124185db1cfbSTakashi Iwai } else if (cval->head.mixer->protocol == UAC_VERSION_1) { 1242f0b5e634SDaniel Mack int last_valid_res = cval->res; 1243f0b5e634SDaniel Mack 1244f0b5e634SDaniel Mack while (cval->res > 1) { 1245f0b5e634SDaniel Mack if (snd_usb_mixer_set_ctl_value(cval, UAC_SET_RES, 12466bc170e4SDaniel Mack (cval->control << 8) | minchn, 12476bc170e4SDaniel Mack cval->res / 2) < 0) 1248f0b5e634SDaniel Mack break; 1249f0b5e634SDaniel Mack cval->res /= 2; 1250f0b5e634SDaniel Mack } 12516bc170e4SDaniel Mack if (get_ctl_value(cval, UAC_GET_RES, 12526bc170e4SDaniel Mack (cval->control << 8) | minchn, &cval->res) < 0) 1253f0b5e634SDaniel Mack cval->res = last_valid_res; 1254f0b5e634SDaniel Mack } 1255f0b5e634SDaniel Mack if (cval->res == 0) 1256f0b5e634SDaniel Mack cval->res = 1; 1257f0b5e634SDaniel Mack 1258f0b5e634SDaniel Mack /* Additional checks for the proper resolution 1259f0b5e634SDaniel Mack * 1260f0b5e634SDaniel Mack * Some devices report smaller resolutions than actually 1261f0b5e634SDaniel Mack * reacting. They don't return errors but simply clip 1262f0b5e634SDaniel Mack * to the lower aligned value. 1263f0b5e634SDaniel Mack */ 1264f0b5e634SDaniel Mack if (cval->min + cval->res < cval->max) { 1265f0b5e634SDaniel Mack int last_valid_res = cval->res; 1266f0b5e634SDaniel Mack int saved, test, check; 1267167beb17STakashi Iwai if (get_cur_mix_raw(cval, minchn, &saved) < 0) 1268167beb17STakashi Iwai goto no_res_check; 1269f0b5e634SDaniel Mack for (;;) { 1270f0b5e634SDaniel Mack test = saved; 1271f0b5e634SDaniel Mack if (test < cval->max) 1272f0b5e634SDaniel Mack test += cval->res; 1273f0b5e634SDaniel Mack else 1274f0b5e634SDaniel Mack test -= cval->res; 1275f0b5e634SDaniel Mack if (test < cval->min || test > cval->max || 1276eef90451SChris J Arges snd_usb_set_cur_mix_value(cval, minchn, 0, test) || 1277f0b5e634SDaniel Mack get_cur_mix_raw(cval, minchn, &check)) { 1278f0b5e634SDaniel Mack cval->res = last_valid_res; 1279f0b5e634SDaniel Mack break; 1280f0b5e634SDaniel Mack } 1281f0b5e634SDaniel Mack if (test == check) 1282f0b5e634SDaniel Mack break; 1283f0b5e634SDaniel Mack cval->res *= 2; 1284f0b5e634SDaniel Mack } 1285eef90451SChris J Arges snd_usb_set_cur_mix_value(cval, minchn, 0, saved); 1286f0b5e634SDaniel Mack } 1287f0b5e634SDaniel Mack 1288167beb17STakashi Iwai no_res_check: 1289f0b5e634SDaniel Mack cval->initialized = 1; 1290f0b5e634SDaniel Mack } 1291f0b5e634SDaniel Mack 1292dcaaf9f2STakashi Iwai if (kctl) 1293dcaaf9f2STakashi Iwai volume_control_quirks(cval, kctl); 1294dcaaf9f2STakashi Iwai 1295f0b5e634SDaniel Mack /* USB descriptions contain the dB scale in 1/256 dB unit 1296f0b5e634SDaniel Mack * while ALSA TLV contains in 1/100 dB unit 1297f0b5e634SDaniel Mack */ 1298f0b5e634SDaniel Mack cval->dBmin = (convert_signed_value(cval, cval->min) * 100) / 256; 1299f0b5e634SDaniel Mack cval->dBmax = (convert_signed_value(cval, cval->max) * 100) / 256; 1300f0b5e634SDaniel Mack if (cval->dBmin > cval->dBmax) { 1301f0b5e634SDaniel Mack /* something is wrong; assume it's either from/to 0dB */ 1302f0b5e634SDaniel Mack if (cval->dBmin < 0) 1303f0b5e634SDaniel Mack cval->dBmax = 0; 1304f0b5e634SDaniel Mack else if (cval->dBmin > 0) 1305f0b5e634SDaniel Mack cval->dBmin = 0; 1306f0b5e634SDaniel Mack if (cval->dBmin > cval->dBmax) { 1307f0b5e634SDaniel Mack /* totally crap, return an error */ 1308f0b5e634SDaniel Mack return -EINVAL; 1309f0b5e634SDaniel Mack } 131021cba9c5STakashi Iwai } else { 131121cba9c5STakashi Iwai /* if the max volume is too low, it's likely a bogus range; 131221cba9c5STakashi Iwai * here we use -96dB as the threshold 131321cba9c5STakashi Iwai */ 131421cba9c5STakashi Iwai if (cval->dBmax <= -9600) { 131521cba9c5STakashi Iwai usb_audio_info(cval->head.mixer->chip, 131621cba9c5STakashi Iwai "%d:%d: bogus dB values (%d/%d), disabling dB reporting\n", 131721cba9c5STakashi Iwai cval->head.id, mixer_ctrl_intf(cval->head.mixer), 131821cba9c5STakashi Iwai cval->dBmin, cval->dBmax); 131921cba9c5STakashi Iwai cval->dBmin = cval->dBmax = 0; 132021cba9c5STakashi Iwai } 1321f0b5e634SDaniel Mack } 1322f0b5e634SDaniel Mack 1323f0b5e634SDaniel Mack return 0; 1324f0b5e634SDaniel Mack } 1325f0b5e634SDaniel Mack 1326dcaaf9f2STakashi Iwai #define get_min_max(cval, def) get_min_max_with_quirks(cval, def, NULL) 1327f0b5e634SDaniel Mack 1328f0b5e634SDaniel Mack /* get a feature/mixer unit info */ 13296bc170e4SDaniel Mack static int mixer_ctl_feature_info(struct snd_kcontrol *kcontrol, 13306bc170e4SDaniel Mack struct snd_ctl_elem_info *uinfo) 1331f0b5e634SDaniel Mack { 1332f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval = kcontrol->private_data; 1333f0b5e634SDaniel Mack 1334f0b5e634SDaniel Mack if (cval->val_type == USB_MIXER_BOOLEAN || 1335f0b5e634SDaniel Mack cval->val_type == USB_MIXER_INV_BOOLEAN) 1336f0b5e634SDaniel Mack uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 1337f0b5e634SDaniel Mack else 1338f0b5e634SDaniel Mack uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 1339f0b5e634SDaniel Mack uinfo->count = cval->channels; 1340f0b5e634SDaniel Mack if (cval->val_type == USB_MIXER_BOOLEAN || 1341f0b5e634SDaniel Mack cval->val_type == USB_MIXER_INV_BOOLEAN) { 1342f0b5e634SDaniel Mack uinfo->value.integer.min = 0; 1343f0b5e634SDaniel Mack uinfo->value.integer.max = 1; 1344f0b5e634SDaniel Mack } else { 13459fcd0ab1STakashi Iwai if (!cval->initialized) { 1346dcaaf9f2STakashi Iwai get_min_max_with_quirks(cval, 0, kcontrol); 13479fcd0ab1STakashi Iwai if (cval->initialized && cval->dBmin >= cval->dBmax) { 13489fcd0ab1STakashi Iwai kcontrol->vd[0].access &= 13499fcd0ab1STakashi Iwai ~(SNDRV_CTL_ELEM_ACCESS_TLV_READ | 13509fcd0ab1STakashi Iwai SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK); 13513360b84bSTakashi Iwai snd_ctl_notify(cval->head.mixer->chip->card, 13529fcd0ab1STakashi Iwai SNDRV_CTL_EVENT_MASK_INFO, 13539fcd0ab1STakashi Iwai &kcontrol->id); 13549fcd0ab1STakashi Iwai } 13559fcd0ab1STakashi Iwai } 1356f0b5e634SDaniel Mack uinfo->value.integer.min = 0; 1357f0b5e634SDaniel Mack uinfo->value.integer.max = 1358e4d8aef2SLars-Peter Clausen DIV_ROUND_UP(cval->max - cval->min, cval->res); 1359f0b5e634SDaniel Mack } 1360f0b5e634SDaniel Mack return 0; 1361f0b5e634SDaniel Mack } 1362f0b5e634SDaniel Mack 1363f0b5e634SDaniel Mack /* get the current value from feature/mixer unit */ 13646bc170e4SDaniel Mack static int mixer_ctl_feature_get(struct snd_kcontrol *kcontrol, 13656bc170e4SDaniel Mack struct snd_ctl_elem_value *ucontrol) 1366f0b5e634SDaniel Mack { 1367f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval = kcontrol->private_data; 1368f0b5e634SDaniel Mack int c, cnt, val, err; 1369f0b5e634SDaniel Mack 1370f0b5e634SDaniel Mack ucontrol->value.integer.value[0] = cval->min; 1371f0b5e634SDaniel Mack if (cval->cmask) { 1372f0b5e634SDaniel Mack cnt = 0; 1373f0b5e634SDaniel Mack for (c = 0; c < MAX_CHANNELS; c++) { 1374f0b5e634SDaniel Mack if (!(cval->cmask & (1 << c))) 1375f0b5e634SDaniel Mack continue; 1376eef90451SChris J Arges err = snd_usb_get_cur_mix_value(cval, c + 1, cnt, &val); 1377f0b5e634SDaniel Mack if (err < 0) 13785aeee342STakashi Iwai return filter_error(cval, err); 1379f0b5e634SDaniel Mack val = get_relative_value(cval, val); 1380f0b5e634SDaniel Mack ucontrol->value.integer.value[cnt] = val; 1381f0b5e634SDaniel Mack cnt++; 1382f0b5e634SDaniel Mack } 1383f0b5e634SDaniel Mack return 0; 1384f0b5e634SDaniel Mack } else { 1385f0b5e634SDaniel Mack /* master channel */ 1386eef90451SChris J Arges err = snd_usb_get_cur_mix_value(cval, 0, 0, &val); 1387f0b5e634SDaniel Mack if (err < 0) 13885aeee342STakashi Iwai return filter_error(cval, err); 1389f0b5e634SDaniel Mack val = get_relative_value(cval, val); 1390f0b5e634SDaniel Mack ucontrol->value.integer.value[0] = val; 1391f0b5e634SDaniel Mack } 1392f0b5e634SDaniel Mack return 0; 1393f0b5e634SDaniel Mack } 1394f0b5e634SDaniel Mack 1395f0b5e634SDaniel Mack /* put the current value to feature/mixer unit */ 13966bc170e4SDaniel Mack static int mixer_ctl_feature_put(struct snd_kcontrol *kcontrol, 13976bc170e4SDaniel Mack struct snd_ctl_elem_value *ucontrol) 1398f0b5e634SDaniel Mack { 1399f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval = kcontrol->private_data; 1400f0b5e634SDaniel Mack int c, cnt, val, oval, err; 1401f0b5e634SDaniel Mack int changed = 0; 1402f0b5e634SDaniel Mack 1403f0b5e634SDaniel Mack if (cval->cmask) { 1404f0b5e634SDaniel Mack cnt = 0; 1405f0b5e634SDaniel Mack for (c = 0; c < MAX_CHANNELS; c++) { 1406f0b5e634SDaniel Mack if (!(cval->cmask & (1 << c))) 1407f0b5e634SDaniel Mack continue; 1408eef90451SChris J Arges err = snd_usb_get_cur_mix_value(cval, c + 1, cnt, &oval); 1409f0b5e634SDaniel Mack if (err < 0) 14105aeee342STakashi Iwai return filter_error(cval, err); 1411f0b5e634SDaniel Mack val = ucontrol->value.integer.value[cnt]; 1412f0b5e634SDaniel Mack val = get_abs_value(cval, val); 1413f0b5e634SDaniel Mack if (oval != val) { 1414eef90451SChris J Arges snd_usb_set_cur_mix_value(cval, c + 1, cnt, val); 1415f0b5e634SDaniel Mack changed = 1; 1416f0b5e634SDaniel Mack } 1417f0b5e634SDaniel Mack cnt++; 1418f0b5e634SDaniel Mack } 1419f0b5e634SDaniel Mack } else { 1420f0b5e634SDaniel Mack /* master channel */ 1421eef90451SChris J Arges err = snd_usb_get_cur_mix_value(cval, 0, 0, &oval); 1422f0b5e634SDaniel Mack if (err < 0) 14235aeee342STakashi Iwai return filter_error(cval, err); 1424f0b5e634SDaniel Mack val = ucontrol->value.integer.value[0]; 1425f0b5e634SDaniel Mack val = get_abs_value(cval, val); 1426f0b5e634SDaniel Mack if (val != oval) { 1427eef90451SChris J Arges snd_usb_set_cur_mix_value(cval, 0, 0, val); 1428f0b5e634SDaniel Mack changed = 1; 1429f0b5e634SDaniel Mack } 1430f0b5e634SDaniel Mack } 1431f0b5e634SDaniel Mack return changed; 1432f0b5e634SDaniel Mack } 1433f0b5e634SDaniel Mack 1434568fa7e0SAndrew Chant /* get the boolean value from the master channel of a UAC control */ 1435568fa7e0SAndrew Chant static int mixer_ctl_master_bool_get(struct snd_kcontrol *kcontrol, 14365a222e84SAndrew Chant struct snd_ctl_elem_value *ucontrol) 14375a222e84SAndrew Chant { 14385a222e84SAndrew Chant struct usb_mixer_elem_info *cval = kcontrol->private_data; 14395a222e84SAndrew Chant int val, err; 14405a222e84SAndrew Chant 14415a222e84SAndrew Chant err = snd_usb_get_cur_mix_value(cval, 0, 0, &val); 14425a222e84SAndrew Chant if (err < 0) 14435a222e84SAndrew Chant return filter_error(cval, err); 14445a222e84SAndrew Chant val = (val != 0); 14455a222e84SAndrew Chant ucontrol->value.integer.value[0] = val; 14465a222e84SAndrew Chant return 0; 14475a222e84SAndrew Chant } 14485a222e84SAndrew Chant 1449*69644fcaSKai-Heng Feng static int get_connector_value(struct usb_mixer_elem_info *cval, 1450*69644fcaSKai-Heng Feng char *name, int *val) 14511d38f5d8SJorge Sanjuan { 14521d38f5d8SJorge Sanjuan struct snd_usb_audio *chip = cval->head.mixer->chip; 1453*69644fcaSKai-Heng Feng int idx = 0, validx, ret; 14541d38f5d8SJorge Sanjuan 14551d38f5d8SJorge Sanjuan validx = cval->control << 8 | 0; 14561d38f5d8SJorge Sanjuan 14571d38f5d8SJorge Sanjuan ret = snd_usb_lock_shutdown(chip) ? -EIO : 0; 14581d38f5d8SJorge Sanjuan if (ret) 14591d38f5d8SJorge Sanjuan goto error; 14601d38f5d8SJorge Sanjuan 14610aef31b7SChris Wulff idx = mixer_ctrl_intf(cval->head.mixer) | (cval->head.id << 8); 14621d38f5d8SJorge Sanjuan if (cval->head.mixer->protocol == UAC_VERSION_2) { 14631d38f5d8SJorge Sanjuan struct uac2_connectors_ctl_blk uac2_conn; 14641d38f5d8SJorge Sanjuan 14651d38f5d8SJorge Sanjuan ret = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), UAC2_CS_CUR, 14661d38f5d8SJorge Sanjuan USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, 14671d38f5d8SJorge Sanjuan validx, idx, &uac2_conn, sizeof(uac2_conn)); 1468*69644fcaSKai-Heng Feng if (val) 1469*69644fcaSKai-Heng Feng *val = !!uac2_conn.bNrChannels; 14701d38f5d8SJorge Sanjuan } else { /* UAC_VERSION_3 */ 14711d38f5d8SJorge Sanjuan struct uac3_insertion_ctl_blk uac3_conn; 14721d38f5d8SJorge Sanjuan 14731d38f5d8SJorge Sanjuan ret = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), UAC2_CS_CUR, 14741d38f5d8SJorge Sanjuan USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, 14751d38f5d8SJorge Sanjuan validx, idx, &uac3_conn, sizeof(uac3_conn)); 1476*69644fcaSKai-Heng Feng if (val) 1477*69644fcaSKai-Heng Feng *val = !!uac3_conn.bmConInserted; 14781d38f5d8SJorge Sanjuan } 14791d38f5d8SJorge Sanjuan 14801d38f5d8SJorge Sanjuan snd_usb_unlock_shutdown(chip); 14811d38f5d8SJorge Sanjuan 14821d38f5d8SJorge Sanjuan if (ret < 0) { 1483*69644fcaSKai-Heng Feng if (name && strstr(name, "Speaker")) { 1484*69644fcaSKai-Heng Feng if (val) 1485*69644fcaSKai-Heng Feng *val = 1; 1486f8c11eb7SKai-Heng Feng return 0; 1487f8c11eb7SKai-Heng Feng } 14881d38f5d8SJorge Sanjuan error: 14891d38f5d8SJorge Sanjuan usb_audio_err(chip, 14901d38f5d8SJorge Sanjuan "cannot get connectors status: req = %#x, wValue = %#x, wIndex = %#x, type = %d\n", 14911d38f5d8SJorge Sanjuan UAC_GET_CUR, validx, idx, cval->val_type); 149248cc4297STakashi Iwai return filter_error(cval, ret); 14931d38f5d8SJorge Sanjuan } 14941d38f5d8SJorge Sanjuan 1495*69644fcaSKai-Heng Feng return ret; 1496*69644fcaSKai-Heng Feng } 1497*69644fcaSKai-Heng Feng 1498*69644fcaSKai-Heng Feng /* get the connectors status and report it as boolean type */ 1499*69644fcaSKai-Heng Feng static int mixer_ctl_connector_get(struct snd_kcontrol *kcontrol, 1500*69644fcaSKai-Heng Feng struct snd_ctl_elem_value *ucontrol) 1501*69644fcaSKai-Heng Feng { 1502*69644fcaSKai-Heng Feng struct usb_mixer_elem_info *cval = kcontrol->private_data; 1503*69644fcaSKai-Heng Feng int ret, val; 1504*69644fcaSKai-Heng Feng 1505*69644fcaSKai-Heng Feng ret = get_connector_value(cval, kcontrol->id.name, &val); 1506*69644fcaSKai-Heng Feng 1507*69644fcaSKai-Heng Feng if (ret < 0) 1508*69644fcaSKai-Heng Feng return ret; 1509*69644fcaSKai-Heng Feng 15101d38f5d8SJorge Sanjuan ucontrol->value.integer.value[0] = val; 15111d38f5d8SJorge Sanjuan return 0; 15121d38f5d8SJorge Sanjuan } 15131d38f5d8SJorge Sanjuan 1514195727e8STakashi Iwai static const struct snd_kcontrol_new usb_feature_unit_ctl = { 1515f0b5e634SDaniel Mack .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1516f0b5e634SDaniel Mack .name = "", /* will be filled later manually */ 1517f0b5e634SDaniel Mack .info = mixer_ctl_feature_info, 1518f0b5e634SDaniel Mack .get = mixer_ctl_feature_get, 1519f0b5e634SDaniel Mack .put = mixer_ctl_feature_put, 1520f0b5e634SDaniel Mack }; 1521f0b5e634SDaniel Mack 152223caaf19SDaniel Mack /* the read-only variant */ 15238fdaebbbSBhumika Goyal static const struct snd_kcontrol_new usb_feature_unit_ctl_ro = { 152423caaf19SDaniel Mack .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 152523caaf19SDaniel Mack .name = "", /* will be filled later manually */ 152623caaf19SDaniel Mack .info = mixer_ctl_feature_info, 152723caaf19SDaniel Mack .get = mixer_ctl_feature_get, 152823caaf19SDaniel Mack .put = NULL, 152923caaf19SDaniel Mack }; 153023caaf19SDaniel Mack 1531568fa7e0SAndrew Chant /* 1532568fa7e0SAndrew Chant * A control which shows the boolean value from reading a UAC control on 1533568fa7e0SAndrew Chant * the master channel. 1534568fa7e0SAndrew Chant */ 1535195727e8STakashi Iwai static const struct snd_kcontrol_new usb_bool_master_control_ctl_ro = { 15365a222e84SAndrew Chant .iface = SNDRV_CTL_ELEM_IFACE_CARD, 15375a222e84SAndrew Chant .name = "", /* will be filled later manually */ 15385a222e84SAndrew Chant .access = SNDRV_CTL_ELEM_ACCESS_READ, 15395a222e84SAndrew Chant .info = snd_ctl_boolean_mono_info, 1540568fa7e0SAndrew Chant .get = mixer_ctl_master_bool_get, 15415a222e84SAndrew Chant .put = NULL, 15425a222e84SAndrew Chant }; 15435a222e84SAndrew Chant 15441d38f5d8SJorge Sanjuan static const struct snd_kcontrol_new usb_connector_ctl_ro = { 15451d38f5d8SJorge Sanjuan .iface = SNDRV_CTL_ELEM_IFACE_CARD, 15461d38f5d8SJorge Sanjuan .name = "", /* will be filled later manually */ 15471d38f5d8SJorge Sanjuan .access = SNDRV_CTL_ELEM_ACCESS_READ, 15481d38f5d8SJorge Sanjuan .info = snd_ctl_boolean_mono_info, 15491d38f5d8SJorge Sanjuan .get = mixer_ctl_connector_get, 15501d38f5d8SJorge Sanjuan .put = NULL, 15511d38f5d8SJorge Sanjuan }; 15521d38f5d8SJorge Sanjuan 15536bc170e4SDaniel Mack /* 15546bc170e4SDaniel Mack * This symbol is exported in order to allow the mixer quirks to 15556bc170e4SDaniel Mack * hook up to the standard feature unit control mechanism 15566bc170e4SDaniel Mack */ 1557195727e8STakashi Iwai const struct snd_kcontrol_new *snd_usb_feature_unit_ctl = &usb_feature_unit_ctl; 1558f0b5e634SDaniel Mack 1559f0b5e634SDaniel Mack /* 1560f0b5e634SDaniel Mack * build a feature control 1561f0b5e634SDaniel Mack */ 1562f0b5e634SDaniel Mack static size_t append_ctl_name(struct snd_kcontrol *kctl, const char *str) 1563f0b5e634SDaniel Mack { 1564f0b5e634SDaniel Mack return strlcat(kctl->id.name, str, sizeof(kctl->id.name)); 1565f0b5e634SDaniel Mack } 1566f0b5e634SDaniel Mack 15676bc170e4SDaniel Mack /* 15686bc170e4SDaniel Mack * A lot of headsets/headphones have a "Speaker" mixer. Make sure we 15696bc170e4SDaniel Mack * rename it to "Headphone". We determine if something is a headphone 15706bc170e4SDaniel Mack * similar to how udev determines form factor. 15716bc170e4SDaniel Mack */ 15729b4ef977SDavid Henningsson static void check_no_speaker_on_headset(struct snd_kcontrol *kctl, 15739b4ef977SDavid Henningsson struct snd_card *card) 15749b4ef977SDavid Henningsson { 15759b4ef977SDavid Henningsson const char *names_to_check[] = { 15769b4ef977SDavid Henningsson "Headset", "headset", "Headphone", "headphone", NULL}; 15779b4ef977SDavid Henningsson const char **s; 1578e0f17c75SPeter Senna Tschudin bool found = false; 15799b4ef977SDavid Henningsson 15809b4ef977SDavid Henningsson if (strcmp("Speaker", kctl->id.name)) 15819b4ef977SDavid Henningsson return; 15829b4ef977SDavid Henningsson 15839b4ef977SDavid Henningsson for (s = names_to_check; *s; s++) 15849b4ef977SDavid Henningsson if (strstr(card->shortname, *s)) { 1585e0f17c75SPeter Senna Tschudin found = true; 15869b4ef977SDavid Henningsson break; 15879b4ef977SDavid Henningsson } 15889b4ef977SDavid Henningsson 15899b4ef977SDavid Henningsson if (!found) 15909b4ef977SDavid Henningsson return; 15919b4ef977SDavid Henningsson 159275b1a8f9SJoe Perches strscpy(kctl->id.name, "Headphone", sizeof(kctl->id.name)); 15939b4ef977SDavid Henningsson } 15949b4ef977SDavid Henningsson 1595a01df925STakashi Iwai static const struct usb_feature_control_info *get_feature_control_info(int control) 159621e9b3e9SAndrew Chant { 159721e9b3e9SAndrew Chant int i; 159821e9b3e9SAndrew Chant 159921e9b3e9SAndrew Chant for (i = 0; i < ARRAY_SIZE(audio_feature_info); ++i) { 160021e9b3e9SAndrew Chant if (audio_feature_info[i].control == control) 160121e9b3e9SAndrew Chant return &audio_feature_info[i]; 160221e9b3e9SAndrew Chant } 160321e9b3e9SAndrew Chant return NULL; 160421e9b3e9SAndrew Chant } 160521e9b3e9SAndrew Chant 160617156f23SRuslan Bilovol static void __build_feature_ctl(struct usb_mixer_interface *mixer, 160717156f23SRuslan Bilovol const struct usbmix_name_map *imap, 1608f0b5e634SDaniel Mack unsigned int ctl_mask, int control, 160917156f23SRuslan Bilovol struct usb_audio_term *iterm, 161017156f23SRuslan Bilovol struct usb_audio_term *oterm, 161117156f23SRuslan Bilovol int unitid, int nameid, int readonly_mask) 1612f0b5e634SDaniel Mack { 1613a01df925STakashi Iwai const struct usb_feature_control_info *ctl_info; 1614f0b5e634SDaniel Mack unsigned int len = 0; 1615f0b5e634SDaniel Mack int mapped_name = 0; 1616f0b5e634SDaniel Mack struct snd_kcontrol *kctl; 1617f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval; 1618f0b5e634SDaniel Mack const struct usbmix_name_map *map; 161980acefffSAlexey Fisher unsigned int range; 1620f0b5e634SDaniel Mack 162165f25da4SDaniel Mack if (control == UAC_FU_GRAPHIC_EQUALIZER) { 1622f0b5e634SDaniel Mack /* FIXME: not supported yet */ 1623f0b5e634SDaniel Mack return; 1624f0b5e634SDaniel Mack } 1625f0b5e634SDaniel Mack 162617156f23SRuslan Bilovol map = find_map(imap, unitid, control); 1627f0b5e634SDaniel Mack if (check_ignored_ctl(map)) 1628f0b5e634SDaniel Mack return; 1629f0b5e634SDaniel Mack 1630f0b5e634SDaniel Mack cval = kzalloc(sizeof(*cval), GFP_KERNEL); 1631a860d95fSDaniel Mack if (!cval) 1632f0b5e634SDaniel Mack return; 163317156f23SRuslan Bilovol snd_usb_mixer_elem_init_std(&cval->head, mixer, unitid); 1634f0b5e634SDaniel Mack cval->control = control; 1635f0b5e634SDaniel Mack cval->cmask = ctl_mask; 163621e9b3e9SAndrew Chant 163721e9b3e9SAndrew Chant ctl_info = get_feature_control_info(control); 163862376025SColin Ian King if (!ctl_info) { 163952c3e317STakashi Iwai usb_mixer_elem_info_free(cval); 164021e9b3e9SAndrew Chant return; 164162376025SColin Ian King } 164217156f23SRuslan Bilovol if (mixer->protocol == UAC_VERSION_1) 1643bc18e31cSJulian Scheel cval->val_type = ctl_info->type; 1644bc18e31cSJulian Scheel else /* UAC_VERSION_2 */ 1645bc18e31cSJulian Scheel cval->val_type = ctl_info->type_uac2 >= 0 ? 1646bc18e31cSJulian Scheel ctl_info->type_uac2 : ctl_info->type; 1647bc18e31cSJulian Scheel 1648a6a33259SDaniel Mack if (ctl_mask == 0) { 1649f0b5e634SDaniel Mack cval->channels = 1; /* master channel */ 1650a6a33259SDaniel Mack cval->master_readonly = readonly_mask; 1651a6a33259SDaniel Mack } else { 1652f0b5e634SDaniel Mack int i, c = 0; 1653f0b5e634SDaniel Mack for (i = 0; i < 16; i++) 1654f0b5e634SDaniel Mack if (ctl_mask & (1 << i)) 1655f0b5e634SDaniel Mack c++; 1656f0b5e634SDaniel Mack cval->channels = c; 1657a6a33259SDaniel Mack cval->ch_readonly = readonly_mask; 1658f0b5e634SDaniel Mack } 1659f0b5e634SDaniel Mack 16606bc170e4SDaniel Mack /* 16616bc170e4SDaniel Mack * If all channels in the mask are marked read-only, make the control 1662eef90451SChris J Arges * read-only. snd_usb_set_cur_mix_value() will check the mask again and won't 16636bc170e4SDaniel Mack * issue write commands to read-only channels. 16646bc170e4SDaniel Mack */ 1665a6a33259SDaniel Mack if (cval->channels == readonly_mask) 166623caaf19SDaniel Mack kctl = snd_ctl_new1(&usb_feature_unit_ctl_ro, cval); 166723caaf19SDaniel Mack else 1668f0b5e634SDaniel Mack kctl = snd_ctl_new1(&usb_feature_unit_ctl, cval); 166923caaf19SDaniel Mack 1670f0b5e634SDaniel Mack if (!kctl) { 167117156f23SRuslan Bilovol usb_audio_err(mixer->chip, "cannot malloc kcontrol\n"); 167252c3e317STakashi Iwai usb_mixer_elem_info_free(cval); 1673f0b5e634SDaniel Mack return; 1674f0b5e634SDaniel Mack } 1675eef90451SChris J Arges kctl->private_free = snd_usb_mixer_elem_free; 1676f0b5e634SDaniel Mack 1677f0b5e634SDaniel Mack len = check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name)); 1678f0b5e634SDaniel Mack mapped_name = len != 0; 1679f0b5e634SDaniel Mack if (!len && nameid) 168017156f23SRuslan Bilovol len = snd_usb_copy_string_desc(mixer->chip, nameid, 1681f0b5e634SDaniel Mack kctl->id.name, sizeof(kctl->id.name)); 1682f0b5e634SDaniel Mack 1683f0b5e634SDaniel Mack switch (control) { 168465f25da4SDaniel Mack case UAC_FU_MUTE: 168565f25da4SDaniel Mack case UAC_FU_VOLUME: 16866bc170e4SDaniel Mack /* 16876bc170e4SDaniel Mack * determine the control name. the rule is: 1688f0b5e634SDaniel Mack * - if a name id is given in descriptor, use it. 1689f0b5e634SDaniel Mack * - if the connected input can be determined, then use the name 1690f0b5e634SDaniel Mack * of terminal type. 1691f0b5e634SDaniel Mack * - if the connected output can be determined, use it. 1692f0b5e634SDaniel Mack * - otherwise, anonymous name. 1693f0b5e634SDaniel Mack */ 1694f0b5e634SDaniel Mack if (!len) { 169517156f23SRuslan Bilovol if (iterm) 169617156f23SRuslan Bilovol len = get_term_name(mixer->chip, iterm, 169717156f23SRuslan Bilovol kctl->id.name, 16986bc170e4SDaniel Mack sizeof(kctl->id.name), 1); 169917156f23SRuslan Bilovol if (!len && oterm) 170017156f23SRuslan Bilovol len = get_term_name(mixer->chip, oterm, 17016bc170e4SDaniel Mack kctl->id.name, 17026bc170e4SDaniel Mack sizeof(kctl->id.name), 1); 1703f0b5e634SDaniel Mack if (!len) 170449fd46d2SDaniel Mack snprintf(kctl->id.name, sizeof(kctl->id.name), 1705f0b5e634SDaniel Mack "Feature %d", unitid); 1706f0b5e634SDaniel Mack } 17079b4ef977SDavid Henningsson 17089b4ef977SDavid Henningsson if (!mapped_name) 170917156f23SRuslan Bilovol check_no_speaker_on_headset(kctl, mixer->chip->card); 17109b4ef977SDavid Henningsson 17116bc170e4SDaniel Mack /* 17126bc170e4SDaniel Mack * determine the stream direction: 1713f0b5e634SDaniel Mack * if the connected output is USB stream, then it's likely a 1714f0b5e634SDaniel Mack * capture stream. otherwise it should be playback (hopefully :) 1715f0b5e634SDaniel Mack */ 171617156f23SRuslan Bilovol if (!mapped_name && oterm && !(oterm->type >> 16)) { 171717156f23SRuslan Bilovol if ((oterm->type & 0xff00) == 0x0100) 171849fd46d2SDaniel Mack append_ctl_name(kctl, " Capture"); 17196bc170e4SDaniel Mack else 172049fd46d2SDaniel Mack append_ctl_name(kctl, " Playback"); 1721f0b5e634SDaniel Mack } 172265f25da4SDaniel Mack append_ctl_name(kctl, control == UAC_FU_MUTE ? 1723f0b5e634SDaniel Mack " Switch" : " Volume"); 1724e182534dSTakashi Iwai break; 1725e182534dSTakashi Iwai default: 1726e182534dSTakashi Iwai if (!len) 172775b1a8f9SJoe Perches strscpy(kctl->id.name, audio_feature_info[control-1].name, 1728e182534dSTakashi Iwai sizeof(kctl->id.name)); 1729e182534dSTakashi Iwai break; 1730e182534dSTakashi Iwai } 1731e182534dSTakashi Iwai 1732e182534dSTakashi Iwai /* get min/max values */ 1733e182534dSTakashi Iwai get_min_max_with_quirks(cval, 0, kctl); 1734e182534dSTakashi Iwai 1735e9a0ef0bSTakashi Iwai /* skip a bogus volume range */ 1736e9a0ef0bSTakashi Iwai if (cval->max <= cval->min) { 1737e9a0ef0bSTakashi Iwai usb_audio_dbg(mixer->chip, 1738e9a0ef0bSTakashi Iwai "[%d] FU [%s] skipped due to invalid volume\n", 1739e9a0ef0bSTakashi Iwai cval->head.id, kctl->id.name); 1740e9a0ef0bSTakashi Iwai snd_ctl_free_one(kctl); 1741e9a0ef0bSTakashi Iwai return; 1742e9a0ef0bSTakashi Iwai } 1743e9a0ef0bSTakashi Iwai 1744e9a0ef0bSTakashi Iwai 174565f25da4SDaniel Mack if (control == UAC_FU_VOLUME) { 174659bb7f0eSTakashi Iwai check_mapped_dB(map, cval); 174738b65190STakashi Iwai if (cval->dBmin < cval->dBmax || !cval->initialized) { 1748285de9c0SFelix Homann kctl->tlv.c = snd_usb_mixer_vol_tlv; 1749f0b5e634SDaniel Mack kctl->vd[0].access |= 1750f0b5e634SDaniel Mack SNDRV_CTL_ELEM_ACCESS_TLV_READ | 1751f0b5e634SDaniel Mack SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK; 175259bb7f0eSTakashi Iwai } 1753f0b5e634SDaniel Mack } 1754f0b5e634SDaniel Mack 175517156f23SRuslan Bilovol snd_usb_mixer_fu_apply_quirk(mixer, cval, unitid, kctl); 175642e3121dSAnssi Hannula 175780acefffSAlexey Fisher range = (cval->max - cval->min) / cval->res; 17586bc170e4SDaniel Mack /* 17596bc170e4SDaniel Mack * Are there devices with volume range more than 255? I use a bit more 176080acefffSAlexey Fisher * to be sure. 384 is a resolution magic number found on Logitech 176180acefffSAlexey Fisher * devices. It will definitively catch all buggy Logitech devices. 176280acefffSAlexey Fisher */ 176380acefffSAlexey Fisher if (range > 384) { 176417156f23SRuslan Bilovol usb_audio_warn(mixer->chip, 176582c1cf0aSMichał Mirosław "Warning! Unlikely big volume range (=%u), cval->res is probably wrong.", 176680acefffSAlexey Fisher range); 176717156f23SRuslan Bilovol usb_audio_warn(mixer->chip, 176882c1cf0aSMichał Mirosław "[%d] FU [%s] ch = %d, val = %d/%d/%d", 17693360b84bSTakashi Iwai cval->head.id, kctl->id.name, cval->channels, 177080acefffSAlexey Fisher cval->min, cval->max, cval->res); 177180acefffSAlexey Fisher } 177280acefffSAlexey Fisher 177317156f23SRuslan Bilovol usb_audio_dbg(mixer->chip, "[%d] FU [%s] ch = %d, val = %d/%d/%d\n", 17743360b84bSTakashi Iwai cval->head.id, kctl->id.name, cval->channels, 17756bc170e4SDaniel Mack cval->min, cval->max, cval->res); 17763360b84bSTakashi Iwai snd_usb_mixer_add_control(&cval->head, kctl); 1777f0b5e634SDaniel Mack } 1778f0b5e634SDaniel Mack 177917156f23SRuslan Bilovol static void build_feature_ctl(struct mixer_build *state, void *raw_desc, 178017156f23SRuslan Bilovol unsigned int ctl_mask, int control, 178117156f23SRuslan Bilovol struct usb_audio_term *iterm, int unitid, 178217156f23SRuslan Bilovol int readonly_mask) 178317156f23SRuslan Bilovol { 178417156f23SRuslan Bilovol struct uac_feature_unit_descriptor *desc = raw_desc; 178517156f23SRuslan Bilovol int nameid = uac_feature_unit_iFeature(desc); 178617156f23SRuslan Bilovol 178717156f23SRuslan Bilovol __build_feature_ctl(state->mixer, state->map, ctl_mask, control, 178817156f23SRuslan Bilovol iterm, &state->oterm, unitid, nameid, readonly_mask); 178917156f23SRuslan Bilovol } 179017156f23SRuslan Bilovol 179117156f23SRuslan Bilovol static void build_feature_ctl_badd(struct usb_mixer_interface *mixer, 179217156f23SRuslan Bilovol unsigned int ctl_mask, int control, int unitid, 179317156f23SRuslan Bilovol const struct usbmix_name_map *badd_map) 179417156f23SRuslan Bilovol { 179517156f23SRuslan Bilovol __build_feature_ctl(mixer, badd_map, ctl_mask, control, 179617156f23SRuslan Bilovol NULL, NULL, unitid, 0, 0); 179717156f23SRuslan Bilovol } 179817156f23SRuslan Bilovol 1799167e1fb1SJorge Sanjuan static void get_connector_control_name(struct usb_mixer_interface *mixer, 18005a222e84SAndrew Chant struct usb_audio_term *term, 18015a222e84SAndrew Chant bool is_input, char *name, int name_size) 18025a222e84SAndrew Chant { 1803167e1fb1SJorge Sanjuan int name_len = get_term_name(mixer->chip, term, name, name_size, 0); 18045a222e84SAndrew Chant 18055a222e84SAndrew Chant if (name_len == 0) 180675b1a8f9SJoe Perches strscpy(name, "Unknown", name_size); 18075a222e84SAndrew Chant 18085a222e84SAndrew Chant /* 18095a222e84SAndrew Chant * sound/core/ctljack.c has a convention of naming jack controls 18105a222e84SAndrew Chant * by ending in " Jack". Make it slightly more useful by 18115a222e84SAndrew Chant * indicating Input or Output after the terminal name. 18125a222e84SAndrew Chant */ 18135a222e84SAndrew Chant if (is_input) 18145a222e84SAndrew Chant strlcat(name, " - Input Jack", name_size); 18155a222e84SAndrew Chant else 18165a222e84SAndrew Chant strlcat(name, " - Output Jack", name_size); 18175a222e84SAndrew Chant } 18185a222e84SAndrew Chant 18195a222e84SAndrew Chant /* Build a mixer control for a UAC connector control (jack-detect) */ 1820167e1fb1SJorge Sanjuan static void build_connector_control(struct usb_mixer_interface *mixer, 1821934b9659STakashi Iwai const struct usbmix_name_map *imap, 18225a222e84SAndrew Chant struct usb_audio_term *term, bool is_input) 18235a222e84SAndrew Chant { 18245a222e84SAndrew Chant struct snd_kcontrol *kctl; 18255a222e84SAndrew Chant struct usb_mixer_elem_info *cval; 1826a43c1c41STakashi Iwai const struct usbmix_name_map *map; 18275a222e84SAndrew Chant 1828a43c1c41STakashi Iwai map = find_map(imap, term->id, 0); 1829a43c1c41STakashi Iwai if (check_ignored_ctl(map)) 1830934b9659STakashi Iwai return; 1831934b9659STakashi Iwai 18325a222e84SAndrew Chant cval = kzalloc(sizeof(*cval), GFP_KERNEL); 18335a222e84SAndrew Chant if (!cval) 18345a222e84SAndrew Chant return; 1835167e1fb1SJorge Sanjuan snd_usb_mixer_elem_init_std(&cval->head, mixer, term->id); 1836568fa7e0SAndrew Chant /* 18371d38f5d8SJorge Sanjuan * UAC2: The first byte from reading the UAC2_TE_CONNECTOR control returns the 18381d38f5d8SJorge Sanjuan * number of channels connected. 18391d38f5d8SJorge Sanjuan * 18401d38f5d8SJorge Sanjuan * UAC3: The first byte specifies size of bitmap for the inserted controls. The 18411d38f5d8SJorge Sanjuan * following byte(s) specifies which connectors are inserted. 18421d38f5d8SJorge Sanjuan * 18431d38f5d8SJorge Sanjuan * This boolean ctl will simply report if any channels are connected 18441d38f5d8SJorge Sanjuan * or not. 1845568fa7e0SAndrew Chant */ 1846167e1fb1SJorge Sanjuan if (mixer->protocol == UAC_VERSION_2) 18475a222e84SAndrew Chant cval->control = UAC2_TE_CONNECTOR; 18481d38f5d8SJorge Sanjuan else /* UAC_VERSION_3 */ 18491d38f5d8SJorge Sanjuan cval->control = UAC3_TE_INSERTION; 18501d38f5d8SJorge Sanjuan 18515a222e84SAndrew Chant cval->val_type = USB_MIXER_BOOLEAN; 18525a222e84SAndrew Chant cval->channels = 1; /* report true if any channel is connected */ 18535a222e84SAndrew Chant cval->min = 0; 18545a222e84SAndrew Chant cval->max = 1; 18551d38f5d8SJorge Sanjuan kctl = snd_ctl_new1(&usb_connector_ctl_ro, cval); 18565a222e84SAndrew Chant if (!kctl) { 1857167e1fb1SJorge Sanjuan usb_audio_err(mixer->chip, "cannot malloc kcontrol\n"); 185852c3e317STakashi Iwai usb_mixer_elem_info_free(cval); 18595a222e84SAndrew Chant return; 18605a222e84SAndrew Chant } 1861a43c1c41STakashi Iwai 1862a43c1c41STakashi Iwai if (check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name))) 1863a43c1c41STakashi Iwai strlcat(kctl->id.name, " Jack", sizeof(kctl->id.name)); 1864a43c1c41STakashi Iwai else 1865167e1fb1SJorge Sanjuan get_connector_control_name(mixer, term, is_input, kctl->id.name, 18665a222e84SAndrew Chant sizeof(kctl->id.name)); 18675a222e84SAndrew Chant kctl->private_free = snd_usb_mixer_elem_free; 18685a222e84SAndrew Chant snd_usb_mixer_add_control(&cval->head, kctl); 18695a222e84SAndrew Chant } 18705a222e84SAndrew Chant 1871cddaafb9SDaniel Mack static int parse_clock_source_unit(struct mixer_build *state, int unitid, 1872cddaafb9SDaniel Mack void *_ftr) 1873cddaafb9SDaniel Mack { 1874cddaafb9SDaniel Mack struct uac_clock_source_descriptor *hdr = _ftr; 1875cddaafb9SDaniel Mack struct usb_mixer_elem_info *cval; 1876cddaafb9SDaniel Mack struct snd_kcontrol *kctl; 1877cddaafb9SDaniel Mack char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 1878cddaafb9SDaniel Mack int ret; 1879cddaafb9SDaniel Mack 1880cddaafb9SDaniel Mack if (state->mixer->protocol != UAC_VERSION_2) 1881cddaafb9SDaniel Mack return -EINVAL; 1882cddaafb9SDaniel Mack 1883cddaafb9SDaniel Mack /* 1884cddaafb9SDaniel Mack * The only property of this unit we are interested in is the 1885cddaafb9SDaniel Mack * clock source validity. If that isn't readable, just bail out. 1886cddaafb9SDaniel Mack */ 18879a2fe9b8SRuslan Bilovol if (!uac_v2v3_control_is_readable(hdr->bmControls, 188821e9b3e9SAndrew Chant UAC2_CS_CONTROL_CLOCK_VALID)) 1889cddaafb9SDaniel Mack return 0; 1890cddaafb9SDaniel Mack 1891cddaafb9SDaniel Mack cval = kzalloc(sizeof(*cval), GFP_KERNEL); 1892cddaafb9SDaniel Mack if (!cval) 1893cddaafb9SDaniel Mack return -ENOMEM; 1894cddaafb9SDaniel Mack 1895cddaafb9SDaniel Mack snd_usb_mixer_elem_init_std(&cval->head, state->mixer, hdr->bClockID); 1896cddaafb9SDaniel Mack 1897cddaafb9SDaniel Mack cval->min = 0; 1898cddaafb9SDaniel Mack cval->max = 1; 1899cddaafb9SDaniel Mack cval->channels = 1; 1900cddaafb9SDaniel Mack cval->val_type = USB_MIXER_BOOLEAN; 1901cddaafb9SDaniel Mack cval->control = UAC2_CS_CONTROL_CLOCK_VALID; 1902cddaafb9SDaniel Mack 1903cddaafb9SDaniel Mack cval->master_readonly = 1; 1904568fa7e0SAndrew Chant /* From UAC2 5.2.5.1.2 "Only the get request is supported." */ 1905568fa7e0SAndrew Chant kctl = snd_ctl_new1(&usb_bool_master_control_ctl_ro, cval); 1906cddaafb9SDaniel Mack 1907cddaafb9SDaniel Mack if (!kctl) { 190852c3e317STakashi Iwai usb_mixer_elem_info_free(cval); 1909cddaafb9SDaniel Mack return -ENOMEM; 1910cddaafb9SDaniel Mack } 1911cddaafb9SDaniel Mack 1912cddaafb9SDaniel Mack kctl->private_free = snd_usb_mixer_elem_free; 1913eccfc1b8SRuslan Bilovol ret = snd_usb_copy_string_desc(state->chip, hdr->iClockSource, 1914cddaafb9SDaniel Mack name, sizeof(name)); 1915cddaafb9SDaniel Mack if (ret > 0) 1916cddaafb9SDaniel Mack snprintf(kctl->id.name, sizeof(kctl->id.name), 1917cddaafb9SDaniel Mack "%s Validity", name); 1918cddaafb9SDaniel Mack else 1919cddaafb9SDaniel Mack snprintf(kctl->id.name, sizeof(kctl->id.name), 1920cddaafb9SDaniel Mack "Clock Source %d Validity", hdr->bClockID); 1921cddaafb9SDaniel Mack 1922cddaafb9SDaniel Mack return snd_usb_mixer_add_control(&cval->head, kctl); 1923cddaafb9SDaniel Mack } 1924cddaafb9SDaniel Mack 1925f0b5e634SDaniel Mack /* 1926f0b5e634SDaniel Mack * parse a feature unit 1927f0b5e634SDaniel Mack * 192825985edcSLucas De Marchi * most of controls are defined here. 1929f0b5e634SDaniel Mack */ 19306bc170e4SDaniel Mack static int parse_audio_feature_unit(struct mixer_build *state, int unitid, 19316bc170e4SDaniel Mack void *_ftr) 1932f0b5e634SDaniel Mack { 1933f0b5e634SDaniel Mack int channels, i, j; 1934f0b5e634SDaniel Mack struct usb_audio_term iterm; 193536c346e1SYueHaibing unsigned int master_bits; 1936f0b5e634SDaniel Mack int err, csize; 193723caaf19SDaniel Mack struct uac_feature_unit_descriptor *hdr = _ftr; 193823caaf19SDaniel Mack __u8 *bmaControls; 1939f0b5e634SDaniel Mack 194023caaf19SDaniel Mack if (state->mixer->protocol == UAC_VERSION_1) { 194123caaf19SDaniel Mack csize = hdr->bControlSize; 194223caaf19SDaniel Mack channels = (hdr->bLength - 7) / csize - 1; 194323caaf19SDaniel Mack bmaControls = hdr->bmaControls; 19449a2fe9b8SRuslan Bilovol } else if (state->mixer->protocol == UAC_VERSION_2) { 194523caaf19SDaniel Mack struct uac2_feature_unit_descriptor *ftr = _ftr; 194623caaf19SDaniel Mack csize = 4; 1947e8d0fee7SDaniel Mack channels = (hdr->bLength - 6) / 4 - 1; 194823caaf19SDaniel Mack bmaControls = ftr->bmaControls; 19499a2fe9b8SRuslan Bilovol } else { /* UAC_VERSION_3 */ 19509a2fe9b8SRuslan Bilovol struct uac3_feature_unit_descriptor *ftr = _ftr; 19519a2fe9b8SRuslan Bilovol 19529a2fe9b8SRuslan Bilovol csize = 4; 19539a2fe9b8SRuslan Bilovol channels = (ftr->bLength - 7) / 4 - 1; 19549a2fe9b8SRuslan Bilovol bmaControls = ftr->bmaControls; 1955d56268fbSClemens Ladisch } 1956f0b5e634SDaniel Mack 1957f0b5e634SDaniel Mack /* parse the source unit */ 1958f25ecf8fSTakashi Iwai err = parse_audio_unit(state, hdr->bSourceID); 1959f25ecf8fSTakashi Iwai if (err < 0) 1960f0b5e634SDaniel Mack return err; 1961f0b5e634SDaniel Mack 1962f0b5e634SDaniel Mack /* determine the input source type and name */ 19634d7b86c9SDaniel Mack err = check_input_term(state, hdr->bSourceID, &iterm); 19644d7b86c9SDaniel Mack if (err < 0) 19654d7b86c9SDaniel Mack return err; 1966f0b5e634SDaniel Mack 196723caaf19SDaniel Mack master_bits = snd_usb_combine_bytes(bmaControls, csize); 1968f0b5e634SDaniel Mack /* master configuration quirks */ 1969f0b5e634SDaniel Mack switch (state->chip->usb_id) { 1970f0b5e634SDaniel Mack case USB_ID(0x08bb, 0x2702): 19710ba41d91STakashi Iwai usb_audio_info(state->chip, 1972f0b5e634SDaniel Mack "usbmixer: master volume quirk for PCM2702 chip\n"); 1973f0b5e634SDaniel Mack /* disable non-functional volume control */ 197465f25da4SDaniel Mack master_bits &= ~UAC_CONTROL_BIT(UAC_FU_VOLUME); 1975f0b5e634SDaniel Mack break; 1976c1051439SDavid Henningsson case USB_ID(0x1130, 0xf211): 19770ba41d91STakashi Iwai usb_audio_info(state->chip, 1978c1051439SDavid Henningsson "usbmixer: volume control quirk for Tenx TP6911 Audio Headset\n"); 1979c1051439SDavid Henningsson /* disable non-functional volume control */ 1980c1051439SDavid Henningsson channels = 0; 1981c1051439SDavid Henningsson break; 1982c1051439SDavid Henningsson 1983f0b5e634SDaniel Mack } 198423caaf19SDaniel Mack 198523caaf19SDaniel Mack if (state->mixer->protocol == UAC_VERSION_1) { 1986f0b5e634SDaniel Mack /* check all control types */ 1987f0b5e634SDaniel Mack for (i = 0; i < 10; i++) { 1988f0b5e634SDaniel Mack unsigned int ch_bits = 0; 198921e9b3e9SAndrew Chant int control = audio_feature_info[i].control; 199021e9b3e9SAndrew Chant 1991f0b5e634SDaniel Mack for (j = 0; j < channels; j++) { 19926bc170e4SDaniel Mack unsigned int mask; 19936bc170e4SDaniel Mack 19946bc170e4SDaniel Mack mask = snd_usb_combine_bytes(bmaControls + 19956bc170e4SDaniel Mack csize * (j+1), csize); 1996f0b5e634SDaniel Mack if (mask & (1 << i)) 1997f0b5e634SDaniel Mack ch_bits |= (1 << j); 1998f0b5e634SDaniel Mack } 199923caaf19SDaniel Mack /* audio class v1 controls are never read-only */ 20006bc170e4SDaniel Mack 20016bc170e4SDaniel Mack /* 20026bc170e4SDaniel Mack * The first channel must be set 20036bc170e4SDaniel Mack * (for ease of programming). 20046bc170e4SDaniel Mack */ 20056bc170e4SDaniel Mack if (ch_bits & 1) 200621e9b3e9SAndrew Chant build_feature_ctl(state, _ftr, ch_bits, control, 20076bc170e4SDaniel Mack &iterm, unitid, 0); 2008f0b5e634SDaniel Mack if (master_bits & (1 << i)) 200921e9b3e9SAndrew Chant build_feature_ctl(state, _ftr, 0, control, 201021e9b3e9SAndrew Chant &iterm, unitid, 0); 201123caaf19SDaniel Mack } 20129a2fe9b8SRuslan Bilovol } else { /* UAC_VERSION_2/3 */ 2013d09c06c6STakashi Iwai for (i = 0; i < ARRAY_SIZE(audio_feature_info); i++) { 201423caaf19SDaniel Mack unsigned int ch_bits = 0; 201523caaf19SDaniel Mack unsigned int ch_read_only = 0; 201621e9b3e9SAndrew Chant int control = audio_feature_info[i].control; 201723caaf19SDaniel Mack 201823caaf19SDaniel Mack for (j = 0; j < channels; j++) { 20196bc170e4SDaniel Mack unsigned int mask; 20206bc170e4SDaniel Mack 20216bc170e4SDaniel Mack mask = snd_usb_combine_bytes(bmaControls + 20226bc170e4SDaniel Mack csize * (j+1), csize); 202321e9b3e9SAndrew Chant if (uac_v2v3_control_is_readable(mask, control)) { 202423caaf19SDaniel Mack ch_bits |= (1 << j); 202521e9b3e9SAndrew Chant if (!uac_v2v3_control_is_writeable(mask, control)) 202623caaf19SDaniel Mack ch_read_only |= (1 << j); 202723caaf19SDaniel Mack } 202823caaf19SDaniel Mack } 202923caaf19SDaniel Mack 20306bc170e4SDaniel Mack /* 20316bc170e4SDaniel Mack * NOTE: build_feature_ctl() will mark the control 20326bc170e4SDaniel Mack * read-only if all channels are marked read-only in 20336bc170e4SDaniel Mack * the descriptors. Otherwise, the control will be 20346bc170e4SDaniel Mack * reported as writeable, but the driver will not 20356bc170e4SDaniel Mack * actually issue a write command for read-only 20366bc170e4SDaniel Mack * channels. 20376bc170e4SDaniel Mack */ 20386bc170e4SDaniel Mack 20396bc170e4SDaniel Mack /* 20406bc170e4SDaniel Mack * The first channel must be set 20416bc170e4SDaniel Mack * (for ease of programming). 20426bc170e4SDaniel Mack */ 20436bc170e4SDaniel Mack if (ch_bits & 1) 204421e9b3e9SAndrew Chant build_feature_ctl(state, _ftr, ch_bits, control, 20456bc170e4SDaniel Mack &iterm, unitid, ch_read_only); 204621e9b3e9SAndrew Chant if (uac_v2v3_control_is_readable(master_bits, control)) 20472de841efSTakashi Iwai build_feature_ctl(state, _ftr, 0, control, 20482de841efSTakashi Iwai &iterm, unitid, 204921e9b3e9SAndrew Chant !uac_v2v3_control_is_writeable(master_bits, 205021e9b3e9SAndrew Chant control)); 205123caaf19SDaniel Mack } 2052f0b5e634SDaniel Mack } 2053f0b5e634SDaniel Mack 2054f0b5e634SDaniel Mack return 0; 2055f0b5e634SDaniel Mack } 2056f0b5e634SDaniel Mack 2057f0b5e634SDaniel Mack /* 2058f0b5e634SDaniel Mack * Mixer Unit 2059f0b5e634SDaniel Mack */ 2060f0b5e634SDaniel Mack 2061f9f0e9edSTakashi Iwai /* check whether the given in/out overflows bmMixerControls matrix */ 2062f9f0e9edSTakashi Iwai static bool mixer_bitmap_overflow(struct uac_mixer_unit_descriptor *desc, 2063f9f0e9edSTakashi Iwai int protocol, int num_ins, int num_outs) 2064f9f0e9edSTakashi Iwai { 2065f9f0e9edSTakashi Iwai u8 *hdr = (u8 *)desc; 2066f9f0e9edSTakashi Iwai u8 *c = uac_mixer_unit_bmControls(desc, protocol); 2067f9f0e9edSTakashi Iwai size_t rest; /* remaining bytes after bmMixerControls */ 2068f9f0e9edSTakashi Iwai 2069f9f0e9edSTakashi Iwai switch (protocol) { 2070f9f0e9edSTakashi Iwai case UAC_VERSION_1: 2071f9f0e9edSTakashi Iwai default: 2072f9f0e9edSTakashi Iwai rest = 1; /* iMixer */ 2073f9f0e9edSTakashi Iwai break; 2074f9f0e9edSTakashi Iwai case UAC_VERSION_2: 2075f9f0e9edSTakashi Iwai rest = 2; /* bmControls + iMixer */ 2076f9f0e9edSTakashi Iwai break; 2077f9f0e9edSTakashi Iwai case UAC_VERSION_3: 2078f9f0e9edSTakashi Iwai rest = 6; /* bmControls + wMixerDescrStr */ 2079f9f0e9edSTakashi Iwai break; 2080f9f0e9edSTakashi Iwai } 2081f9f0e9edSTakashi Iwai 2082f9f0e9edSTakashi Iwai /* overflow? */ 2083f9f0e9edSTakashi Iwai return c + (num_ins * num_outs + 7) / 8 + rest > hdr + hdr[0]; 2084f9f0e9edSTakashi Iwai } 2085f9f0e9edSTakashi Iwai 2086f0b5e634SDaniel Mack /* 2087f0b5e634SDaniel Mack * build a mixer unit control 2088f0b5e634SDaniel Mack * 2089f0b5e634SDaniel Mack * the callbacks are identical with feature unit. 2090f0b5e634SDaniel Mack * input channel number (zero based) is given in control field instead. 2091f0b5e634SDaniel Mack */ 209299fc8645SDaniel Mack static void build_mixer_unit_ctl(struct mixer_build *state, 209399fc8645SDaniel Mack struct uac_mixer_unit_descriptor *desc, 20946cfd839aSJorge Sanjuan int in_pin, int in_ch, int num_outs, 20956cfd839aSJorge Sanjuan int unitid, struct usb_audio_term *iterm) 2096f0b5e634SDaniel Mack { 2097f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval; 2098f0b5e634SDaniel Mack unsigned int i, len; 2099f0b5e634SDaniel Mack struct snd_kcontrol *kctl; 2100f0b5e634SDaniel Mack const struct usbmix_name_map *map; 2101f0b5e634SDaniel Mack 210217156f23SRuslan Bilovol map = find_map(state->map, unitid, 0); 2103f0b5e634SDaniel Mack if (check_ignored_ctl(map)) 2104f0b5e634SDaniel Mack return; 2105f0b5e634SDaniel Mack 2106f0b5e634SDaniel Mack cval = kzalloc(sizeof(*cval), GFP_KERNEL); 2107f0b5e634SDaniel Mack if (!cval) 2108f0b5e634SDaniel Mack return; 2109f0b5e634SDaniel Mack 21103360b84bSTakashi Iwai snd_usb_mixer_elem_init_std(&cval->head, state->mixer, unitid); 2111f0b5e634SDaniel Mack cval->control = in_ch + 1; /* based on 1 */ 2112f0b5e634SDaniel Mack cval->val_type = USB_MIXER_S16; 2113f0b5e634SDaniel Mack for (i = 0; i < num_outs; i++) { 21146bc170e4SDaniel Mack __u8 *c = uac_mixer_unit_bmControls(desc, state->mixer->protocol); 21156bc170e4SDaniel Mack 21166bc170e4SDaniel Mack if (check_matrix_bitmap(c, in_ch, i, num_outs)) { 2117f0b5e634SDaniel Mack cval->cmask |= (1 << i); 2118f0b5e634SDaniel Mack cval->channels++; 2119f0b5e634SDaniel Mack } 2120f0b5e634SDaniel Mack } 2121f0b5e634SDaniel Mack 2122f0b5e634SDaniel Mack /* get min/max values */ 2123f0b5e634SDaniel Mack get_min_max(cval, 0); 2124f0b5e634SDaniel Mack 2125f0b5e634SDaniel Mack kctl = snd_ctl_new1(&usb_feature_unit_ctl, cval); 2126f0b5e634SDaniel Mack if (!kctl) { 21270ba41d91STakashi Iwai usb_audio_err(state->chip, "cannot malloc kcontrol\n"); 212852c3e317STakashi Iwai usb_mixer_elem_info_free(cval); 2129f0b5e634SDaniel Mack return; 2130f0b5e634SDaniel Mack } 2131eef90451SChris J Arges kctl->private_free = snd_usb_mixer_elem_free; 2132f0b5e634SDaniel Mack 2133f0b5e634SDaniel Mack len = check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name)); 2134f0b5e634SDaniel Mack if (!len) 2135eccfc1b8SRuslan Bilovol len = get_term_name(state->chip, iterm, kctl->id.name, 21366bc170e4SDaniel Mack sizeof(kctl->id.name), 0); 2137f0b5e634SDaniel Mack if (!len) 2138f0b5e634SDaniel Mack len = sprintf(kctl->id.name, "Mixer Source %d", in_ch + 1); 2139f0b5e634SDaniel Mack append_ctl_name(kctl, " Volume"); 2140f0b5e634SDaniel Mack 21410ba41d91STakashi Iwai usb_audio_dbg(state->chip, "[%d] MU [%s] ch = %d, val = %d/%d\n", 21423360b84bSTakashi Iwai cval->head.id, kctl->id.name, cval->channels, cval->min, cval->max); 21433360b84bSTakashi Iwai snd_usb_mixer_add_control(&cval->head, kctl); 2144f0b5e634SDaniel Mack } 2145f0b5e634SDaniel Mack 21465a222e84SAndrew Chant static int parse_audio_input_terminal(struct mixer_build *state, int unitid, 21475a222e84SAndrew Chant void *raw_desc) 21485a222e84SAndrew Chant { 21495a222e84SAndrew Chant struct usb_audio_term iterm; 21501d38f5d8SJorge Sanjuan unsigned int control, bmctls, term_id; 21515a222e84SAndrew Chant 21525a222e84SAndrew Chant if (state->mixer->protocol == UAC_VERSION_2) { 21531d38f5d8SJorge Sanjuan struct uac2_input_terminal_descriptor *d_v2 = raw_desc; 21541d38f5d8SJorge Sanjuan control = UAC2_TE_CONNECTOR; 21551d38f5d8SJorge Sanjuan term_id = d_v2->bTerminalID; 21561d38f5d8SJorge Sanjuan bmctls = le16_to_cpu(d_v2->bmControls); 21571d38f5d8SJorge Sanjuan } else if (state->mixer->protocol == UAC_VERSION_3) { 21581d38f5d8SJorge Sanjuan struct uac3_input_terminal_descriptor *d_v3 = raw_desc; 21591d38f5d8SJorge Sanjuan control = UAC3_TE_INSERTION; 21601d38f5d8SJorge Sanjuan term_id = d_v3->bTerminalID; 21611d38f5d8SJorge Sanjuan bmctls = le32_to_cpu(d_v3->bmControls); 21621d38f5d8SJorge Sanjuan } else { 21631d38f5d8SJorge Sanjuan return 0; /* UAC1. No Insertion control */ 21641d38f5d8SJorge Sanjuan } 21651d38f5d8SJorge Sanjuan 21661d38f5d8SJorge Sanjuan check_input_term(state, term_id, &iterm); 21671d38f5d8SJorge Sanjuan 21685a222e84SAndrew Chant /* Check for jack detection. */ 21697dc3c5a0STakashi Iwai if ((iterm.type & 0xff00) != 0x0100 && 21707dc3c5a0STakashi Iwai uac_v2v3_control_is_readable(bmctls, control)) 2171934b9659STakashi Iwai build_connector_control(state->mixer, state->map, &iterm, true); 21721d38f5d8SJorge Sanjuan 21735a222e84SAndrew Chant return 0; 21745a222e84SAndrew Chant } 21755a222e84SAndrew Chant 2176f0b5e634SDaniel Mack /* 2177f0b5e634SDaniel Mack * parse a mixer unit 2178f0b5e634SDaniel Mack */ 21796bc170e4SDaniel Mack static int parse_audio_mixer_unit(struct mixer_build *state, int unitid, 21806bc170e4SDaniel Mack void *raw_desc) 2181f0b5e634SDaniel Mack { 218299fc8645SDaniel Mack struct uac_mixer_unit_descriptor *desc = raw_desc; 2183f0b5e634SDaniel Mack struct usb_audio_term iterm; 2184f0b5e634SDaniel Mack int input_pins, num_ins, num_outs; 2185f0b5e634SDaniel Mack int pin, ich, err; 2186f0b5e634SDaniel Mack 21876cfd839aSJorge Sanjuan err = uac_mixer_unit_get_channels(state, desc); 21886cfd839aSJorge Sanjuan if (err < 0) { 21896bc170e4SDaniel Mack usb_audio_err(state->chip, 21906bc170e4SDaniel Mack "invalid MIXER UNIT descriptor %d\n", 21916bc170e4SDaniel Mack unitid); 21926cfd839aSJorge Sanjuan return err; 2193f0b5e634SDaniel Mack } 2194f0b5e634SDaniel Mack 21956cfd839aSJorge Sanjuan num_outs = err; 21966cfd839aSJorge Sanjuan input_pins = desc->bNrInPins; 21976cfd839aSJorge Sanjuan 2198f0b5e634SDaniel Mack num_ins = 0; 2199f0b5e634SDaniel Mack ich = 0; 2200f0b5e634SDaniel Mack for (pin = 0; pin < input_pins; pin++) { 220199fc8645SDaniel Mack err = parse_audio_unit(state, desc->baSourceID[pin]); 2202f0b5e634SDaniel Mack if (err < 0) 2203284a8dd6SMark Hills continue; 2204ea114fc2SClemens Ladisch /* no bmControls field (e.g. Maya44) -> ignore */ 22050bfe5e43STakashi Iwai if (!num_outs) 2206ea114fc2SClemens Ladisch continue; 220799fc8645SDaniel Mack err = check_input_term(state, desc->baSourceID[pin], &iterm); 2208f0b5e634SDaniel Mack if (err < 0) 2209f0b5e634SDaniel Mack return err; 2210f0b5e634SDaniel Mack num_ins += iterm.channels; 2211f9f0e9edSTakashi Iwai if (mixer_bitmap_overflow(desc, state->mixer->protocol, 2212f9f0e9edSTakashi Iwai num_ins, num_outs)) 2213f9f0e9edSTakashi Iwai break; 22146bc170e4SDaniel Mack for (; ich < num_ins; ich++) { 2215f0b5e634SDaniel Mack int och, ich_has_controls = 0; 2216f0b5e634SDaniel Mack 22176bc170e4SDaniel Mack for (och = 0; och < num_outs; och++) { 22186bc170e4SDaniel Mack __u8 *c = uac_mixer_unit_bmControls(desc, 22196bc170e4SDaniel Mack state->mixer->protocol); 22206bc170e4SDaniel Mack 22216bc170e4SDaniel Mack if (check_matrix_bitmap(c, ich, och, num_outs)) { 2222f0b5e634SDaniel Mack ich_has_controls = 1; 2223f0b5e634SDaniel Mack break; 2224f0b5e634SDaniel Mack } 2225f0b5e634SDaniel Mack } 2226f0b5e634SDaniel Mack if (ich_has_controls) 22276cfd839aSJorge Sanjuan build_mixer_unit_ctl(state, desc, pin, ich, num_outs, 2228f0b5e634SDaniel Mack unitid, &iterm); 2229f0b5e634SDaniel Mack } 2230f0b5e634SDaniel Mack } 2231f0b5e634SDaniel Mack return 0; 2232f0b5e634SDaniel Mack } 2233f0b5e634SDaniel Mack 2234f0b5e634SDaniel Mack /* 2235f0b5e634SDaniel Mack * Processing Unit / Extension Unit 2236f0b5e634SDaniel Mack */ 2237f0b5e634SDaniel Mack 2238f0b5e634SDaniel Mack /* get callback for processing/extension unit */ 22396bc170e4SDaniel Mack static int mixer_ctl_procunit_get(struct snd_kcontrol *kcontrol, 22406bc170e4SDaniel Mack struct snd_ctl_elem_value *ucontrol) 2241f0b5e634SDaniel Mack { 2242f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval = kcontrol->private_data; 2243f0b5e634SDaniel Mack int err, val; 2244f0b5e634SDaniel Mack 2245f0b5e634SDaniel Mack err = get_cur_ctl_value(cval, cval->control << 8, &val); 22465aeee342STakashi Iwai if (err < 0) { 2247f0b5e634SDaniel Mack ucontrol->value.integer.value[0] = cval->min; 22485aeee342STakashi Iwai return filter_error(cval, err); 2249f0b5e634SDaniel Mack } 2250f0b5e634SDaniel Mack val = get_relative_value(cval, val); 2251f0b5e634SDaniel Mack ucontrol->value.integer.value[0] = val; 2252f0b5e634SDaniel Mack return 0; 2253f0b5e634SDaniel Mack } 2254f0b5e634SDaniel Mack 2255f0b5e634SDaniel Mack /* put callback for processing/extension unit */ 22566bc170e4SDaniel Mack static int mixer_ctl_procunit_put(struct snd_kcontrol *kcontrol, 22576bc170e4SDaniel Mack struct snd_ctl_elem_value *ucontrol) 2258f0b5e634SDaniel Mack { 2259f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval = kcontrol->private_data; 2260f0b5e634SDaniel Mack int val, oval, err; 2261f0b5e634SDaniel Mack 2262f0b5e634SDaniel Mack err = get_cur_ctl_value(cval, cval->control << 8, &oval); 22635aeee342STakashi Iwai if (err < 0) 22645aeee342STakashi Iwai return filter_error(cval, err); 2265f0b5e634SDaniel Mack val = ucontrol->value.integer.value[0]; 2266f0b5e634SDaniel Mack val = get_abs_value(cval, val); 2267f0b5e634SDaniel Mack if (val != oval) { 2268f0b5e634SDaniel Mack set_cur_ctl_value(cval, cval->control << 8, val); 2269f0b5e634SDaniel Mack return 1; 2270f0b5e634SDaniel Mack } 2271f0b5e634SDaniel Mack return 0; 2272f0b5e634SDaniel Mack } 2273f0b5e634SDaniel Mack 2274f0b5e634SDaniel Mack /* alsa control interface for processing/extension unit */ 22758fdaebbbSBhumika Goyal static const struct snd_kcontrol_new mixer_procunit_ctl = { 2276f0b5e634SDaniel Mack .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 2277f0b5e634SDaniel Mack .name = "", /* will be filled later */ 2278f0b5e634SDaniel Mack .info = mixer_ctl_feature_info, 2279f0b5e634SDaniel Mack .get = mixer_ctl_procunit_get, 2280f0b5e634SDaniel Mack .put = mixer_ctl_procunit_put, 2281f0b5e634SDaniel Mack }; 2282f0b5e634SDaniel Mack 2283f0b5e634SDaniel Mack /* 2284f0b5e634SDaniel Mack * predefined data for processing units 2285f0b5e634SDaniel Mack */ 2286f0b5e634SDaniel Mack struct procunit_value_info { 2287f0b5e634SDaniel Mack int control; 2288a01df925STakashi Iwai const char *suffix; 2289f0b5e634SDaniel Mack int val_type; 2290f0b5e634SDaniel Mack int min_value; 2291f0b5e634SDaniel Mack }; 2292f0b5e634SDaniel Mack 2293f0b5e634SDaniel Mack struct procunit_info { 2294f0b5e634SDaniel Mack int type; 2295f0b5e634SDaniel Mack char *name; 2296a01df925STakashi Iwai const struct procunit_value_info *values; 2297f0b5e634SDaniel Mack }; 2298f0b5e634SDaniel Mack 2299a01df925STakashi Iwai static const struct procunit_value_info undefined_proc_info[] = { 23000f292f02SJorge Sanjuan { 0x00, "Control Undefined", 0 }, 23010f292f02SJorge Sanjuan { 0 } 23020f292f02SJorge Sanjuan }; 23030f292f02SJorge Sanjuan 2304a01df925STakashi Iwai static const struct procunit_value_info updown_proc_info[] = { 230565f25da4SDaniel Mack { UAC_UD_ENABLE, "Switch", USB_MIXER_BOOLEAN }, 230665f25da4SDaniel Mack { UAC_UD_MODE_SELECT, "Mode Select", USB_MIXER_U8, 1 }, 2307f0b5e634SDaniel Mack { 0 } 2308f0b5e634SDaniel Mack }; 2309a01df925STakashi Iwai static const struct procunit_value_info prologic_proc_info[] = { 231065f25da4SDaniel Mack { UAC_DP_ENABLE, "Switch", USB_MIXER_BOOLEAN }, 231165f25da4SDaniel Mack { UAC_DP_MODE_SELECT, "Mode Select", USB_MIXER_U8, 1 }, 2312f0b5e634SDaniel Mack { 0 } 2313f0b5e634SDaniel Mack }; 2314a01df925STakashi Iwai static const struct procunit_value_info threed_enh_proc_info[] = { 231565f25da4SDaniel Mack { UAC_3D_ENABLE, "Switch", USB_MIXER_BOOLEAN }, 231665f25da4SDaniel Mack { UAC_3D_SPACE, "Spaciousness", USB_MIXER_U8 }, 2317f0b5e634SDaniel Mack { 0 } 2318f0b5e634SDaniel Mack }; 2319a01df925STakashi Iwai static const struct procunit_value_info reverb_proc_info[] = { 232065f25da4SDaniel Mack { UAC_REVERB_ENABLE, "Switch", USB_MIXER_BOOLEAN }, 232165f25da4SDaniel Mack { UAC_REVERB_LEVEL, "Level", USB_MIXER_U8 }, 232265f25da4SDaniel Mack { UAC_REVERB_TIME, "Time", USB_MIXER_U16 }, 232365f25da4SDaniel Mack { UAC_REVERB_FEEDBACK, "Feedback", USB_MIXER_U8 }, 2324f0b5e634SDaniel Mack { 0 } 2325f0b5e634SDaniel Mack }; 2326a01df925STakashi Iwai static const struct procunit_value_info chorus_proc_info[] = { 232765f25da4SDaniel Mack { UAC_CHORUS_ENABLE, "Switch", USB_MIXER_BOOLEAN }, 232865f25da4SDaniel Mack { UAC_CHORUS_LEVEL, "Level", USB_MIXER_U8 }, 232965f25da4SDaniel Mack { UAC_CHORUS_RATE, "Rate", USB_MIXER_U16 }, 233065f25da4SDaniel Mack { UAC_CHORUS_DEPTH, "Depth", USB_MIXER_U16 }, 2331f0b5e634SDaniel Mack { 0 } 2332f0b5e634SDaniel Mack }; 2333a01df925STakashi Iwai static const struct procunit_value_info dcr_proc_info[] = { 233465f25da4SDaniel Mack { UAC_DCR_ENABLE, "Switch", USB_MIXER_BOOLEAN }, 233565f25da4SDaniel Mack { UAC_DCR_RATE, "Ratio", USB_MIXER_U16 }, 233665f25da4SDaniel Mack { UAC_DCR_MAXAMPL, "Max Amp", USB_MIXER_S16 }, 233765f25da4SDaniel Mack { UAC_DCR_THRESHOLD, "Threshold", USB_MIXER_S16 }, 233865f25da4SDaniel Mack { UAC_DCR_ATTACK_TIME, "Attack Time", USB_MIXER_U16 }, 233965f25da4SDaniel Mack { UAC_DCR_RELEASE_TIME, "Release Time", USB_MIXER_U16 }, 2340f0b5e634SDaniel Mack { 0 } 2341f0b5e634SDaniel Mack }; 2342f0b5e634SDaniel Mack 2343a01df925STakashi Iwai static const struct procunit_info procunits[] = { 234465f25da4SDaniel Mack { UAC_PROCESS_UP_DOWNMIX, "Up Down", updown_proc_info }, 234565f25da4SDaniel Mack { UAC_PROCESS_DOLBY_PROLOGIC, "Dolby Prologic", prologic_proc_info }, 234665f25da4SDaniel Mack { UAC_PROCESS_STEREO_EXTENDER, "3D Stereo Extender", threed_enh_proc_info }, 234765f25da4SDaniel Mack { UAC_PROCESS_REVERB, "Reverb", reverb_proc_info }, 234865f25da4SDaniel Mack { UAC_PROCESS_CHORUS, "Chorus", chorus_proc_info }, 234965f25da4SDaniel Mack { UAC_PROCESS_DYN_RANGE_COMP, "DCR", dcr_proc_info }, 2350f0b5e634SDaniel Mack { 0 }, 2351f0b5e634SDaniel Mack }; 23520f292f02SJorge Sanjuan 2353a01df925STakashi Iwai static const struct procunit_value_info uac3_updown_proc_info[] = { 23540f292f02SJorge Sanjuan { UAC3_UD_MODE_SELECT, "Mode Select", USB_MIXER_U8, 1 }, 23550f292f02SJorge Sanjuan { 0 } 23560f292f02SJorge Sanjuan }; 2357a01df925STakashi Iwai static const struct procunit_value_info uac3_stereo_ext_proc_info[] = { 23580f292f02SJorge Sanjuan { UAC3_EXT_WIDTH_CONTROL, "Width Control", USB_MIXER_U8 }, 23590f292f02SJorge Sanjuan { 0 } 23600f292f02SJorge Sanjuan }; 23610f292f02SJorge Sanjuan 2362a01df925STakashi Iwai static const struct procunit_info uac3_procunits[] = { 23630f292f02SJorge Sanjuan { UAC3_PROCESS_UP_DOWNMIX, "Up Down", uac3_updown_proc_info }, 23640f292f02SJorge Sanjuan { UAC3_PROCESS_STEREO_EXTENDER, "3D Stereo Extender", uac3_stereo_ext_proc_info }, 23650f292f02SJorge Sanjuan { UAC3_PROCESS_MULTI_FUNCTION, "Multi-Function", undefined_proc_info }, 23660f292f02SJorge Sanjuan { 0 }, 23670f292f02SJorge Sanjuan }; 23680f292f02SJorge Sanjuan 2369f0b5e634SDaniel Mack /* 2370f0b5e634SDaniel Mack * predefined data for extension units 2371f0b5e634SDaniel Mack */ 2372a01df925STakashi Iwai static const struct procunit_value_info clock_rate_xu_info[] = { 2373f0b5e634SDaniel Mack { USB_XU_CLOCK_RATE_SELECTOR, "Selector", USB_MIXER_U8, 0 }, 2374f0b5e634SDaniel Mack { 0 } 2375f0b5e634SDaniel Mack }; 2376a01df925STakashi Iwai static const struct procunit_value_info clock_source_xu_info[] = { 2377f0b5e634SDaniel Mack { USB_XU_CLOCK_SOURCE_SELECTOR, "External", USB_MIXER_BOOLEAN }, 2378f0b5e634SDaniel Mack { 0 } 2379f0b5e634SDaniel Mack }; 2380a01df925STakashi Iwai static const struct procunit_value_info spdif_format_xu_info[] = { 2381f0b5e634SDaniel Mack { USB_XU_DIGITAL_FORMAT_SELECTOR, "SPDIF/AC3", USB_MIXER_BOOLEAN }, 2382f0b5e634SDaniel Mack { 0 } 2383f0b5e634SDaniel Mack }; 2384a01df925STakashi Iwai static const struct procunit_value_info soft_limit_xu_info[] = { 2385f0b5e634SDaniel Mack { USB_XU_SOFT_LIMIT_SELECTOR, " ", USB_MIXER_BOOLEAN }, 2386f0b5e634SDaniel Mack { 0 } 2387f0b5e634SDaniel Mack }; 2388a01df925STakashi Iwai static const struct procunit_info extunits[] = { 2389f0b5e634SDaniel Mack { USB_XU_CLOCK_RATE, "Clock rate", clock_rate_xu_info }, 2390f0b5e634SDaniel Mack { USB_XU_CLOCK_SOURCE, "DigitalIn CLK source", clock_source_xu_info }, 2391f0b5e634SDaniel Mack { USB_XU_DIGITAL_IO_STATUS, "DigitalOut format:", spdif_format_xu_info }, 2392f0b5e634SDaniel Mack { USB_XU_DEVICE_OPTIONS, "AnalogueIn Soft Limit", soft_limit_xu_info }, 2393f0b5e634SDaniel Mack { 0 } 2394f0b5e634SDaniel Mack }; 23956bc170e4SDaniel Mack 2396f0b5e634SDaniel Mack /* 2397f0b5e634SDaniel Mack * build a processing/extension unit 2398f0b5e634SDaniel Mack */ 23996bc170e4SDaniel Mack static int build_audio_procunit(struct mixer_build *state, int unitid, 2400a01df925STakashi Iwai void *raw_desc, const struct procunit_info *list, 2401ca95c7bfSTakashi Iwai bool extension_unit) 2402f0b5e634SDaniel Mack { 240399fc8645SDaniel Mack struct uac_processing_unit_descriptor *desc = raw_desc; 2404f4351a19STakashi Iwai int num_ins; 2405f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval; 2406f0b5e634SDaniel Mack struct snd_kcontrol *kctl; 2407d8d0db7bSTom Yan int i, err, nameid, type, len, val; 2408a01df925STakashi Iwai const struct procunit_info *info; 2409a01df925STakashi Iwai const struct procunit_value_info *valinfo; 2410f0b5e634SDaniel Mack const struct usbmix_name_map *map; 2411a01df925STakashi Iwai static const struct procunit_value_info default_value_info[] = { 2412f0b5e634SDaniel Mack { 0x01, "Switch", USB_MIXER_BOOLEAN }, 2413f0b5e634SDaniel Mack { 0 } 2414f0b5e634SDaniel Mack }; 2415a01df925STakashi Iwai static const struct procunit_info default_info = { 2416f0b5e634SDaniel Mack 0, NULL, default_value_info 2417f0b5e634SDaniel Mack }; 2418ca95c7bfSTakashi Iwai const char *name = extension_unit ? 2419ca95c7bfSTakashi Iwai "Extension Unit" : "Processing Unit"; 2420f0b5e634SDaniel Mack 2421f4351a19STakashi Iwai num_ins = desc->bNrInPins; 2422f0b5e634SDaniel Mack for (i = 0; i < num_ins; i++) { 2423f25ecf8fSTakashi Iwai err = parse_audio_unit(state, desc->baSourceID[i]); 2424f25ecf8fSTakashi Iwai if (err < 0) 2425f0b5e634SDaniel Mack return err; 2426f0b5e634SDaniel Mack } 2427f0b5e634SDaniel Mack 242899fc8645SDaniel Mack type = le16_to_cpu(desc->wProcessType); 2429f0b5e634SDaniel Mack for (info = list; info && info->type; info++) 2430f0b5e634SDaniel Mack if (info->type == type) 2431f0b5e634SDaniel Mack break; 2432f0b5e634SDaniel Mack if (!info || !info->type) 2433f0b5e634SDaniel Mack info = &default_info; 2434f0b5e634SDaniel Mack 2435f0b5e634SDaniel Mack for (valinfo = info->values; valinfo->control; valinfo++) { 243623caaf19SDaniel Mack __u8 *controls = uac_processing_unit_bmControls(desc, state->mixer->protocol); 243799fc8645SDaniel Mack 24384e887af3SJorge Sanjuan if (state->mixer->protocol == UAC_VERSION_1) { 24394e887af3SJorge Sanjuan if (!(controls[valinfo->control / 8] & 24404e887af3SJorge Sanjuan (1 << ((valinfo->control % 8) - 1)))) 2441f0b5e634SDaniel Mack continue; 24424e887af3SJorge Sanjuan } else { /* UAC_VERSION_2/3 */ 24434e887af3SJorge Sanjuan if (!uac_v2v3_control_is_readable(controls[valinfo->control / 8], 24444e887af3SJorge Sanjuan valinfo->control)) 24454e887af3SJorge Sanjuan continue; 24464e887af3SJorge Sanjuan } 24474e887af3SJorge Sanjuan 244817156f23SRuslan Bilovol map = find_map(state->map, unitid, valinfo->control); 2449f0b5e634SDaniel Mack if (check_ignored_ctl(map)) 2450f0b5e634SDaniel Mack continue; 2451f0b5e634SDaniel Mack cval = kzalloc(sizeof(*cval), GFP_KERNEL); 2452a860d95fSDaniel Mack if (!cval) 2453f0b5e634SDaniel Mack return -ENOMEM; 24543360b84bSTakashi Iwai snd_usb_mixer_elem_init_std(&cval->head, state->mixer, unitid); 2455f0b5e634SDaniel Mack cval->control = valinfo->control; 2456f0b5e634SDaniel Mack cval->val_type = valinfo->val_type; 2457f0b5e634SDaniel Mack cval->channels = 1; 2458f0b5e634SDaniel Mack 24594e887af3SJorge Sanjuan if (state->mixer->protocol > UAC_VERSION_1 && 24604e887af3SJorge Sanjuan !uac_v2v3_control_is_writeable(controls[valinfo->control / 8], 24614e887af3SJorge Sanjuan valinfo->control)) 24624e887af3SJorge Sanjuan cval->master_readonly = 1; 24634e887af3SJorge Sanjuan 2464f0b5e634SDaniel Mack /* get min/max values */ 246555b8cb46SJorge Sanjuan switch (type) { 246655b8cb46SJorge Sanjuan case UAC_PROCESS_UP_DOWNMIX: { 246755b8cb46SJorge Sanjuan bool mode_sel = false; 246855b8cb46SJorge Sanjuan 246955b8cb46SJorge Sanjuan switch (state->mixer->protocol) { 247055b8cb46SJorge Sanjuan case UAC_VERSION_1: 247155b8cb46SJorge Sanjuan case UAC_VERSION_2: 247255b8cb46SJorge Sanjuan default: 247355b8cb46SJorge Sanjuan if (cval->control == UAC_UD_MODE_SELECT) 247455b8cb46SJorge Sanjuan mode_sel = true; 247555b8cb46SJorge Sanjuan break; 247655b8cb46SJorge Sanjuan case UAC_VERSION_3: 247755b8cb46SJorge Sanjuan if (cval->control == UAC3_UD_MODE_SELECT) 247855b8cb46SJorge Sanjuan mode_sel = true; 247955b8cb46SJorge Sanjuan break; 248055b8cb46SJorge Sanjuan } 248155b8cb46SJorge Sanjuan 248255b8cb46SJorge Sanjuan if (mode_sel) { 248355b8cb46SJorge Sanjuan __u8 *control_spec = uac_processing_unit_specific(desc, 248455b8cb46SJorge Sanjuan state->mixer->protocol); 2485f0b5e634SDaniel Mack cval->min = 1; 248699fc8645SDaniel Mack cval->max = control_spec[0]; 2487f0b5e634SDaniel Mack cval->res = 1; 2488f0b5e634SDaniel Mack cval->initialized = 1; 248955b8cb46SJorge Sanjuan break; 249055b8cb46SJorge Sanjuan } 249155b8cb46SJorge Sanjuan 249255b8cb46SJorge Sanjuan get_min_max(cval, valinfo->min_value); 249355b8cb46SJorge Sanjuan break; 249455b8cb46SJorge Sanjuan } 249555b8cb46SJorge Sanjuan case USB_XU_CLOCK_RATE: 24966bc170e4SDaniel Mack /* 24976bc170e4SDaniel Mack * E-Mu USB 0404/0202/TrackerPre/0204 2498f0b5e634SDaniel Mack * samplerate control quirk 2499f0b5e634SDaniel Mack */ 2500f0b5e634SDaniel Mack cval->min = 0; 2501f0b5e634SDaniel Mack cval->max = 5; 2502f0b5e634SDaniel Mack cval->res = 1; 2503f0b5e634SDaniel Mack cval->initialized = 1; 250455b8cb46SJorge Sanjuan break; 250555b8cb46SJorge Sanjuan default: 2506f0b5e634SDaniel Mack get_min_max(cval, valinfo->min_value); 250755b8cb46SJorge Sanjuan break; 2508f0b5e634SDaniel Mack } 2509f0b5e634SDaniel Mack 2510d8d0db7bSTom Yan err = get_cur_ctl_value(cval, cval->control << 8, &val); 2511d8d0db7bSTom Yan if (err < 0) { 2512d8d0db7bSTom Yan usb_mixer_elem_info_free(cval); 2513d8d0db7bSTom Yan return -EINVAL; 2514d8d0db7bSTom Yan } 2515d8d0db7bSTom Yan 2516f0b5e634SDaniel Mack kctl = snd_ctl_new1(&mixer_procunit_ctl, cval); 2517f0b5e634SDaniel Mack if (!kctl) { 251852c3e317STakashi Iwai usb_mixer_elem_info_free(cval); 2519f0b5e634SDaniel Mack return -ENOMEM; 2520f0b5e634SDaniel Mack } 2521eef90451SChris J Arges kctl->private_free = snd_usb_mixer_elem_free; 2522f0b5e634SDaniel Mack 25236bc170e4SDaniel Mack if (check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name))) { 2524f0b5e634SDaniel Mack /* nothing */ ; 25256bc170e4SDaniel Mack } else if (info->name) { 252675b1a8f9SJoe Perches strscpy(kctl->id.name, info->name, sizeof(kctl->id.name)); 25276bc170e4SDaniel Mack } else { 2528ca95c7bfSTakashi Iwai if (extension_unit) 2529ca95c7bfSTakashi Iwai nameid = uac_extension_unit_iExtension(desc, state->mixer->protocol); 2530ca95c7bfSTakashi Iwai else 253123caaf19SDaniel Mack nameid = uac_processing_unit_iProcessing(desc, state->mixer->protocol); 2532f0b5e634SDaniel Mack len = 0; 2533f0b5e634SDaniel Mack if (nameid) 2534eccfc1b8SRuslan Bilovol len = snd_usb_copy_string_desc(state->chip, 2535eccfc1b8SRuslan Bilovol nameid, 25366bc170e4SDaniel Mack kctl->id.name, 25376bc170e4SDaniel Mack sizeof(kctl->id.name)); 2538f0b5e634SDaniel Mack if (!len) 253975b1a8f9SJoe Perches strscpy(kctl->id.name, name, sizeof(kctl->id.name)); 2540f0b5e634SDaniel Mack } 2541f0b5e634SDaniel Mack append_ctl_name(kctl, " "); 2542f0b5e634SDaniel Mack append_ctl_name(kctl, valinfo->suffix); 2543f0b5e634SDaniel Mack 25440ba41d91STakashi Iwai usb_audio_dbg(state->chip, 25450ba41d91STakashi Iwai "[%d] PU [%s] ch = %d, val = %d/%d\n", 25463360b84bSTakashi Iwai cval->head.id, kctl->id.name, cval->channels, 25476bc170e4SDaniel Mack cval->min, cval->max); 25486bc170e4SDaniel Mack 25493360b84bSTakashi Iwai err = snd_usb_mixer_add_control(&cval->head, kctl); 25506bc170e4SDaniel Mack if (err < 0) 2551f0b5e634SDaniel Mack return err; 2552f0b5e634SDaniel Mack } 2553f0b5e634SDaniel Mack return 0; 2554f0b5e634SDaniel Mack } 2555f0b5e634SDaniel Mack 25566bc170e4SDaniel Mack static int parse_audio_processing_unit(struct mixer_build *state, int unitid, 25576bc170e4SDaniel Mack void *raw_desc) 2558f0b5e634SDaniel Mack { 25590f292f02SJorge Sanjuan switch (state->mixer->protocol) { 25600f292f02SJorge Sanjuan case UAC_VERSION_1: 25610f292f02SJorge Sanjuan case UAC_VERSION_2: 25620f292f02SJorge Sanjuan default: 25636bc170e4SDaniel Mack return build_audio_procunit(state, unitid, raw_desc, 2564ca95c7bfSTakashi Iwai procunits, false); 25650f292f02SJorge Sanjuan case UAC_VERSION_3: 25660f292f02SJorge Sanjuan return build_audio_procunit(state, unitid, raw_desc, 2567ca95c7bfSTakashi Iwai uac3_procunits, false); 25680f292f02SJorge Sanjuan } 2569f0b5e634SDaniel Mack } 2570f0b5e634SDaniel Mack 25716bc170e4SDaniel Mack static int parse_audio_extension_unit(struct mixer_build *state, int unitid, 25726bc170e4SDaniel Mack void *raw_desc) 2573f0b5e634SDaniel Mack { 25746bc170e4SDaniel Mack /* 25756bc170e4SDaniel Mack * Note that we parse extension units with processing unit descriptors. 25766bc170e4SDaniel Mack * That's ok as the layout is the same. 25776bc170e4SDaniel Mack */ 2578ca95c7bfSTakashi Iwai return build_audio_procunit(state, unitid, raw_desc, extunits, true); 2579f0b5e634SDaniel Mack } 2580f0b5e634SDaniel Mack 2581f0b5e634SDaniel Mack /* 2582f0b5e634SDaniel Mack * Selector Unit 2583f0b5e634SDaniel Mack */ 2584f0b5e634SDaniel Mack 25856bc170e4SDaniel Mack /* 25866bc170e4SDaniel Mack * info callback for selector unit 2587f0b5e634SDaniel Mack * use an enumerator type for routing 2588f0b5e634SDaniel Mack */ 25896bc170e4SDaniel Mack static int mixer_ctl_selector_info(struct snd_kcontrol *kcontrol, 25906bc170e4SDaniel Mack struct snd_ctl_elem_info *uinfo) 2591f0b5e634SDaniel Mack { 2592f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval = kcontrol->private_data; 25932a1803a7SClemens Ladisch const char **itemlist = (const char **)kcontrol->private_value; 2594f0b5e634SDaniel Mack 2595f0b5e634SDaniel Mack if (snd_BUG_ON(!itemlist)) 2596f0b5e634SDaniel Mack return -EINVAL; 25972a1803a7SClemens Ladisch return snd_ctl_enum_info(uinfo, 1, cval->max, itemlist); 2598f0b5e634SDaniel Mack } 2599f0b5e634SDaniel Mack 2600f0b5e634SDaniel Mack /* get callback for selector unit */ 26016bc170e4SDaniel Mack static int mixer_ctl_selector_get(struct snd_kcontrol *kcontrol, 26026bc170e4SDaniel Mack struct snd_ctl_elem_value *ucontrol) 2603f0b5e634SDaniel Mack { 2604f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval = kcontrol->private_data; 2605f0b5e634SDaniel Mack int val, err; 2606f0b5e634SDaniel Mack 260709414207SDaniel Mack err = get_cur_ctl_value(cval, cval->control << 8, &val); 2608f0b5e634SDaniel Mack if (err < 0) { 2609f0b5e634SDaniel Mack ucontrol->value.enumerated.item[0] = 0; 26105aeee342STakashi Iwai return filter_error(cval, err); 2611f0b5e634SDaniel Mack } 2612f0b5e634SDaniel Mack val = get_relative_value(cval, val); 2613f0b5e634SDaniel Mack ucontrol->value.enumerated.item[0] = val; 2614f0b5e634SDaniel Mack return 0; 2615f0b5e634SDaniel Mack } 2616f0b5e634SDaniel Mack 2617f0b5e634SDaniel Mack /* put callback for selector unit */ 26186bc170e4SDaniel Mack static int mixer_ctl_selector_put(struct snd_kcontrol *kcontrol, 26196bc170e4SDaniel Mack struct snd_ctl_elem_value *ucontrol) 2620f0b5e634SDaniel Mack { 2621f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval = kcontrol->private_data; 2622f0b5e634SDaniel Mack int val, oval, err; 2623f0b5e634SDaniel Mack 262409414207SDaniel Mack err = get_cur_ctl_value(cval, cval->control << 8, &oval); 26255aeee342STakashi Iwai if (err < 0) 26265aeee342STakashi Iwai return filter_error(cval, err); 2627f0b5e634SDaniel Mack val = ucontrol->value.enumerated.item[0]; 2628f0b5e634SDaniel Mack val = get_abs_value(cval, val); 2629f0b5e634SDaniel Mack if (val != oval) { 263009414207SDaniel Mack set_cur_ctl_value(cval, cval->control << 8, val); 2631f0b5e634SDaniel Mack return 1; 2632f0b5e634SDaniel Mack } 2633f0b5e634SDaniel Mack return 0; 2634f0b5e634SDaniel Mack } 2635f0b5e634SDaniel Mack 2636f0b5e634SDaniel Mack /* alsa control interface for selector unit */ 26378fdaebbbSBhumika Goyal static const struct snd_kcontrol_new mixer_selectunit_ctl = { 2638f0b5e634SDaniel Mack .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 2639f0b5e634SDaniel Mack .name = "", /* will be filled later */ 2640f0b5e634SDaniel Mack .info = mixer_ctl_selector_info, 2641f0b5e634SDaniel Mack .get = mixer_ctl_selector_get, 2642f0b5e634SDaniel Mack .put = mixer_ctl_selector_put, 2643f0b5e634SDaniel Mack }; 2644f0b5e634SDaniel Mack 26456bc170e4SDaniel Mack /* 26466bc170e4SDaniel Mack * private free callback. 2647f0b5e634SDaniel Mack * free both private_data and private_value 2648f0b5e634SDaniel Mack */ 2649f0b5e634SDaniel Mack static void usb_mixer_selector_elem_free(struct snd_kcontrol *kctl) 2650f0b5e634SDaniel Mack { 2651f0b5e634SDaniel Mack int i, num_ins = 0; 2652f0b5e634SDaniel Mack 2653f0b5e634SDaniel Mack if (kctl->private_data) { 2654f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval = kctl->private_data; 2655f0b5e634SDaniel Mack num_ins = cval->max; 265652c3e317STakashi Iwai usb_mixer_elem_info_free(cval); 2657f0b5e634SDaniel Mack kctl->private_data = NULL; 2658f0b5e634SDaniel Mack } 2659f0b5e634SDaniel Mack if (kctl->private_value) { 2660f0b5e634SDaniel Mack char **itemlist = (char **)kctl->private_value; 2661f0b5e634SDaniel Mack for (i = 0; i < num_ins; i++) 2662f0b5e634SDaniel Mack kfree(itemlist[i]); 2663f0b5e634SDaniel Mack kfree(itemlist); 2664f0b5e634SDaniel Mack kctl->private_value = 0; 2665f0b5e634SDaniel Mack } 2666f0b5e634SDaniel Mack } 2667f0b5e634SDaniel Mack 2668f0b5e634SDaniel Mack /* 2669f0b5e634SDaniel Mack * parse a selector unit 2670f0b5e634SDaniel Mack */ 26716bc170e4SDaniel Mack static int parse_audio_selector_unit(struct mixer_build *state, int unitid, 26726bc170e4SDaniel Mack void *raw_desc) 2673f0b5e634SDaniel Mack { 267499fc8645SDaniel Mack struct uac_selector_unit_descriptor *desc = raw_desc; 2675f0b5e634SDaniel Mack unsigned int i, nameid, len; 2676f0b5e634SDaniel Mack int err; 2677f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval; 2678f0b5e634SDaniel Mack struct snd_kcontrol *kctl; 2679f0b5e634SDaniel Mack const struct usbmix_name_map *map; 2680f0b5e634SDaniel Mack char **namelist; 2681f0b5e634SDaniel Mack 268299fc8645SDaniel Mack for (i = 0; i < desc->bNrInPins; i++) { 2683f25ecf8fSTakashi Iwai err = parse_audio_unit(state, desc->baSourceID[i]); 2684f25ecf8fSTakashi Iwai if (err < 0) 2685f0b5e634SDaniel Mack return err; 2686f0b5e634SDaniel Mack } 2687f0b5e634SDaniel Mack 268899fc8645SDaniel Mack if (desc->bNrInPins == 1) /* only one ? nonsense! */ 2689f0b5e634SDaniel Mack return 0; 2690f0b5e634SDaniel Mack 269117156f23SRuslan Bilovol map = find_map(state->map, unitid, 0); 2692f0b5e634SDaniel Mack if (check_ignored_ctl(map)) 2693f0b5e634SDaniel Mack return 0; 2694f0b5e634SDaniel Mack 2695f0b5e634SDaniel Mack cval = kzalloc(sizeof(*cval), GFP_KERNEL); 2696a860d95fSDaniel Mack if (!cval) 2697f0b5e634SDaniel Mack return -ENOMEM; 26983360b84bSTakashi Iwai snd_usb_mixer_elem_init_std(&cval->head, state->mixer, unitid); 2699f0b5e634SDaniel Mack cval->val_type = USB_MIXER_U8; 2700f0b5e634SDaniel Mack cval->channels = 1; 2701f0b5e634SDaniel Mack cval->min = 1; 270299fc8645SDaniel Mack cval->max = desc->bNrInPins; 2703f0b5e634SDaniel Mack cval->res = 1; 2704f0b5e634SDaniel Mack cval->initialized = 1; 2705f0b5e634SDaniel Mack 2706c77e1ef1SJorge Sanjuan switch (state->mixer->protocol) { 2707c77e1ef1SJorge Sanjuan case UAC_VERSION_1: 2708c77e1ef1SJorge Sanjuan default: 270909414207SDaniel Mack cval->control = 0; 2710c77e1ef1SJorge Sanjuan break; 2711c77e1ef1SJorge Sanjuan case UAC_VERSION_2: 2712c77e1ef1SJorge Sanjuan case UAC_VERSION_3: 2713c77e1ef1SJorge Sanjuan if (desc->bDescriptorSubtype == UAC2_CLOCK_SELECTOR || 2714c77e1ef1SJorge Sanjuan desc->bDescriptorSubtype == UAC3_CLOCK_SELECTOR) 2715c77e1ef1SJorge Sanjuan cval->control = UAC2_CX_CLOCK_SELECTOR; 2716c77e1ef1SJorge Sanjuan else /* UAC2/3_SELECTOR_UNIT */ 2717c77e1ef1SJorge Sanjuan cval->control = UAC2_SU_SELECTOR; 2718c77e1ef1SJorge Sanjuan break; 2719c77e1ef1SJorge Sanjuan } 272009414207SDaniel Mack 272152c3e317STakashi Iwai namelist = kcalloc(desc->bNrInPins, sizeof(char *), GFP_KERNEL); 2722f0b5e634SDaniel Mack if (!namelist) { 272352c3e317STakashi Iwai err = -ENOMEM; 272452c3e317STakashi Iwai goto error_cval; 2725f0b5e634SDaniel Mack } 2726f0b5e634SDaniel Mack #define MAX_ITEM_NAME_LEN 64 272799fc8645SDaniel Mack for (i = 0; i < desc->bNrInPins; i++) { 2728f0b5e634SDaniel Mack struct usb_audio_term iterm; 2729f0b5e634SDaniel Mack len = 0; 2730f0b5e634SDaniel Mack namelist[i] = kmalloc(MAX_ITEM_NAME_LEN, GFP_KERNEL); 2731f0b5e634SDaniel Mack if (!namelist[i]) { 273252c3e317STakashi Iwai err = -ENOMEM; 273352c3e317STakashi Iwai goto error_name; 2734f0b5e634SDaniel Mack } 2735f0b5e634SDaniel Mack len = check_mapped_selector_name(state, unitid, i, namelist[i], 2736f0b5e634SDaniel Mack MAX_ITEM_NAME_LEN); 273799fc8645SDaniel Mack if (! len && check_input_term(state, desc->baSourceID[i], &iterm) >= 0) 2738eccfc1b8SRuslan Bilovol len = get_term_name(state->chip, &iterm, namelist[i], 2739eccfc1b8SRuslan Bilovol MAX_ITEM_NAME_LEN, 0); 2740f0b5e634SDaniel Mack if (! len) 2741af831eefSMasanari Iida sprintf(namelist[i], "Input %u", i); 2742f0b5e634SDaniel Mack } 2743f0b5e634SDaniel Mack 2744f0b5e634SDaniel Mack kctl = snd_ctl_new1(&mixer_selectunit_ctl, cval); 2745f0b5e634SDaniel Mack if (! kctl) { 27460ba41d91STakashi Iwai usb_audio_err(state->chip, "cannot malloc kcontrol\n"); 274752c3e317STakashi Iwai err = -ENOMEM; 274852c3e317STakashi Iwai goto error_name; 2749f0b5e634SDaniel Mack } 2750f0b5e634SDaniel Mack kctl->private_value = (unsigned long)namelist; 2751f0b5e634SDaniel Mack kctl->private_free = usb_mixer_selector_elem_free; 2752f0b5e634SDaniel Mack 27535a15f289STakashi Iwai /* check the static mapping table at first */ 2754f0b5e634SDaniel Mack len = check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name)); 27555a15f289STakashi Iwai if (!len) { 27565a15f289STakashi Iwai /* no mapping ? */ 2757c77e1ef1SJorge Sanjuan switch (state->mixer->protocol) { 2758c77e1ef1SJorge Sanjuan case UAC_VERSION_1: 2759c77e1ef1SJorge Sanjuan case UAC_VERSION_2: 2760c77e1ef1SJorge Sanjuan default: 27615a15f289STakashi Iwai /* if iSelector is given, use it */ 27625a15f289STakashi Iwai nameid = uac_selector_unit_iSelector(desc); 27635a15f289STakashi Iwai if (nameid) 2764c77e1ef1SJorge Sanjuan len = snd_usb_copy_string_desc(state->chip, 2765c77e1ef1SJorge Sanjuan nameid, kctl->id.name, 27666bc170e4SDaniel Mack sizeof(kctl->id.name)); 2767c77e1ef1SJorge Sanjuan break; 2768c77e1ef1SJorge Sanjuan case UAC_VERSION_3: 2769c77e1ef1SJorge Sanjuan /* TODO: Class-Specific strings not yet supported */ 2770c77e1ef1SJorge Sanjuan break; 2771c77e1ef1SJorge Sanjuan } 2772c77e1ef1SJorge Sanjuan 27735a15f289STakashi Iwai /* ... or pick up the terminal name at next */ 27745a15f289STakashi Iwai if (!len) 2775eccfc1b8SRuslan Bilovol len = get_term_name(state->chip, &state->oterm, 2776f0b5e634SDaniel Mack kctl->id.name, sizeof(kctl->id.name), 0); 27775a15f289STakashi Iwai /* ... or use the fixed string "USB" as the last resort */ 2778f0b5e634SDaniel Mack if (!len) 277975b1a8f9SJoe Perches strscpy(kctl->id.name, "USB", sizeof(kctl->id.name)); 2780f0b5e634SDaniel Mack 27815a15f289STakashi Iwai /* and add the proper suffix */ 2782c77e1ef1SJorge Sanjuan if (desc->bDescriptorSubtype == UAC2_CLOCK_SELECTOR || 2783c77e1ef1SJorge Sanjuan desc->bDescriptorSubtype == UAC3_CLOCK_SELECTOR) 278409414207SDaniel Mack append_ctl_name(kctl, " Clock Source"); 278509414207SDaniel Mack else if ((state->oterm.type & 0xff00) == 0x0100) 2786f0b5e634SDaniel Mack append_ctl_name(kctl, " Capture Source"); 2787f0b5e634SDaniel Mack else 2788f0b5e634SDaniel Mack append_ctl_name(kctl, " Playback Source"); 2789f0b5e634SDaniel Mack } 2790f0b5e634SDaniel Mack 27910ba41d91STakashi Iwai usb_audio_dbg(state->chip, "[%d] SU [%s] items = %d\n", 27923360b84bSTakashi Iwai cval->head.id, kctl->id.name, desc->bNrInPins); 27933360b84bSTakashi Iwai return snd_usb_mixer_add_control(&cval->head, kctl); 279452c3e317STakashi Iwai 279552c3e317STakashi Iwai error_name: 279652c3e317STakashi Iwai for (i = 0; i < desc->bNrInPins; i++) 279752c3e317STakashi Iwai kfree(namelist[i]); 279852c3e317STakashi Iwai kfree(namelist); 279952c3e317STakashi Iwai error_cval: 280052c3e317STakashi Iwai usb_mixer_elem_info_free(cval); 280152c3e317STakashi Iwai return err; 2802f0b5e634SDaniel Mack } 2803f0b5e634SDaniel Mack 2804f0b5e634SDaniel Mack /* 2805f0b5e634SDaniel Mack * parse an audio unit recursively 2806f0b5e634SDaniel Mack */ 2807f0b5e634SDaniel Mack 2808f0b5e634SDaniel Mack static int parse_audio_unit(struct mixer_build *state, int unitid) 2809f0b5e634SDaniel Mack { 2810f0b5e634SDaniel Mack unsigned char *p1; 28119a2fe9b8SRuslan Bilovol int protocol = state->mixer->protocol; 2812f0b5e634SDaniel Mack 2813f0b5e634SDaniel Mack if (test_and_set_bit(unitid, state->unitbitmap)) 2814f0b5e634SDaniel Mack return 0; /* the unit already visited */ 2815f0b5e634SDaniel Mack 2816f0b5e634SDaniel Mack p1 = find_audio_control_unit(state, unitid); 2817f0b5e634SDaniel Mack if (!p1) { 28180ba41d91STakashi Iwai usb_audio_err(state->chip, "unit %d not found!\n", unitid); 2819f0b5e634SDaniel Mack return -EINVAL; 2820f0b5e634SDaniel Mack } 2821f0b5e634SDaniel Mack 282257f87706STakashi Iwai if (!snd_usb_validate_audio_desc(p1, protocol)) { 282357f87706STakashi Iwai usb_audio_dbg(state->chip, "invalid unit %d\n", unitid); 282457f87706STakashi Iwai return 0; /* skip invalid unit */ 282557f87706STakashi Iwai } 282657f87706STakashi Iwai 282768e9fde2STakashi Iwai switch (PTYPE(protocol, p1[2])) { 282868e9fde2STakashi Iwai case PTYPE(UAC_VERSION_1, UAC_INPUT_TERMINAL): 282968e9fde2STakashi Iwai case PTYPE(UAC_VERSION_2, UAC_INPUT_TERMINAL): 283068e9fde2STakashi Iwai case PTYPE(UAC_VERSION_3, UAC_INPUT_TERMINAL): 28315a222e84SAndrew Chant return parse_audio_input_terminal(state, unitid, p1); 283268e9fde2STakashi Iwai case PTYPE(UAC_VERSION_1, UAC_MIXER_UNIT): 283368e9fde2STakashi Iwai case PTYPE(UAC_VERSION_2, UAC_MIXER_UNIT): 283468e9fde2STakashi Iwai case PTYPE(UAC_VERSION_3, UAC3_MIXER_UNIT): 2835f0b5e634SDaniel Mack return parse_audio_mixer_unit(state, unitid, p1); 283668e9fde2STakashi Iwai case PTYPE(UAC_VERSION_2, UAC2_CLOCK_SOURCE): 283768e9fde2STakashi Iwai case PTYPE(UAC_VERSION_3, UAC3_CLOCK_SOURCE): 2838cddaafb9SDaniel Mack return parse_clock_source_unit(state, unitid, p1); 283968e9fde2STakashi Iwai case PTYPE(UAC_VERSION_1, UAC_SELECTOR_UNIT): 284068e9fde2STakashi Iwai case PTYPE(UAC_VERSION_2, UAC_SELECTOR_UNIT): 284168e9fde2STakashi Iwai case PTYPE(UAC_VERSION_3, UAC3_SELECTOR_UNIT): 284268e9fde2STakashi Iwai case PTYPE(UAC_VERSION_2, UAC2_CLOCK_SELECTOR): 284368e9fde2STakashi Iwai case PTYPE(UAC_VERSION_3, UAC3_CLOCK_SELECTOR): 2844f0b5e634SDaniel Mack return parse_audio_selector_unit(state, unitid, p1); 284568e9fde2STakashi Iwai case PTYPE(UAC_VERSION_1, UAC_FEATURE_UNIT): 284668e9fde2STakashi Iwai case PTYPE(UAC_VERSION_2, UAC_FEATURE_UNIT): 284768e9fde2STakashi Iwai case PTYPE(UAC_VERSION_3, UAC3_FEATURE_UNIT): 2848f0b5e634SDaniel Mack return parse_audio_feature_unit(state, unitid, p1); 284968e9fde2STakashi Iwai case PTYPE(UAC_VERSION_1, UAC1_PROCESSING_UNIT): 285068e9fde2STakashi Iwai case PTYPE(UAC_VERSION_2, UAC2_PROCESSING_UNIT_V2): 285168e9fde2STakashi Iwai case PTYPE(UAC_VERSION_3, UAC3_PROCESSING_UNIT): 2852f0b5e634SDaniel Mack return parse_audio_processing_unit(state, unitid, p1); 285368e9fde2STakashi Iwai case PTYPE(UAC_VERSION_1, UAC1_EXTENSION_UNIT): 285468e9fde2STakashi Iwai case PTYPE(UAC_VERSION_2, UAC2_EXTENSION_UNIT_V2): 285568e9fde2STakashi Iwai case PTYPE(UAC_VERSION_3, UAC3_EXTENSION_UNIT): 285668e9fde2STakashi Iwai return parse_audio_extension_unit(state, unitid, p1); 285768e9fde2STakashi Iwai case PTYPE(UAC_VERSION_2, UAC2_EFFECT_UNIT): 285868e9fde2STakashi Iwai case PTYPE(UAC_VERSION_3, UAC3_EFFECT_UNIT): 285923caaf19SDaniel Mack return 0; /* FIXME - effect units not implemented yet */ 2860f0b5e634SDaniel Mack default: 28610ba41d91STakashi Iwai usb_audio_err(state->chip, 286268e9fde2STakashi Iwai "unit %u: unexpected type 0x%02x\n", 286368e9fde2STakashi Iwai unitid, p1[2]); 2864f0b5e634SDaniel Mack return -EINVAL; 2865f0b5e634SDaniel Mack } 2866f0b5e634SDaniel Mack } 2867f0b5e634SDaniel Mack 2868f0b5e634SDaniel Mack static void snd_usb_mixer_free(struct usb_mixer_interface *mixer) 2869f0b5e634SDaniel Mack { 2870124751d5STakashi Iwai /* kill pending URBs */ 2871124751d5STakashi Iwai snd_usb_mixer_disconnect(mixer); 2872124751d5STakashi Iwai 2873f0b5e634SDaniel Mack kfree(mixer->id_elems); 2874f0b5e634SDaniel Mack if (mixer->urb) { 2875f0b5e634SDaniel Mack kfree(mixer->urb->transfer_buffer); 2876f0b5e634SDaniel Mack usb_free_urb(mixer->urb); 2877f0b5e634SDaniel Mack } 2878f0b5e634SDaniel Mack usb_free_urb(mixer->rc_urb); 2879f0b5e634SDaniel Mack kfree(mixer->rc_setup_packet); 2880f0b5e634SDaniel Mack kfree(mixer); 2881f0b5e634SDaniel Mack } 2882f0b5e634SDaniel Mack 2883f0b5e634SDaniel Mack static int snd_usb_mixer_dev_free(struct snd_device *device) 2884f0b5e634SDaniel Mack { 2885f0b5e634SDaniel Mack struct usb_mixer_interface *mixer = device->device_data; 2886f0b5e634SDaniel Mack snd_usb_mixer_free(mixer); 2887f0b5e634SDaniel Mack return 0; 2888f0b5e634SDaniel Mack } 2889f0b5e634SDaniel Mack 289017156f23SRuslan Bilovol /* UAC3 predefined channels configuration */ 289117156f23SRuslan Bilovol struct uac3_badd_profile { 289217156f23SRuslan Bilovol int subclass; 289317156f23SRuslan Bilovol const char *name; 289417156f23SRuslan Bilovol int c_chmask; /* capture channels mask */ 289517156f23SRuslan Bilovol int p_chmask; /* playback channels mask */ 289617156f23SRuslan Bilovol int st_chmask; /* side tone mixing channel mask */ 289717156f23SRuslan Bilovol }; 289817156f23SRuslan Bilovol 2899a01df925STakashi Iwai static const struct uac3_badd_profile uac3_badd_profiles[] = { 290017156f23SRuslan Bilovol { 290117156f23SRuslan Bilovol /* 290217156f23SRuslan Bilovol * BAIF, BAOF or combination of both 290317156f23SRuslan Bilovol * IN: Mono or Stereo cfg, Mono alt possible 290417156f23SRuslan Bilovol * OUT: Mono or Stereo cfg, Mono alt possible 290517156f23SRuslan Bilovol */ 290617156f23SRuslan Bilovol .subclass = UAC3_FUNCTION_SUBCLASS_GENERIC_IO, 290717156f23SRuslan Bilovol .name = "GENERIC IO", 290817156f23SRuslan Bilovol .c_chmask = -1, /* dynamic channels */ 290917156f23SRuslan Bilovol .p_chmask = -1, /* dynamic channels */ 291017156f23SRuslan Bilovol }, 291117156f23SRuslan Bilovol { 291217156f23SRuslan Bilovol /* BAOF; Stereo only cfg, Mono alt possible */ 291317156f23SRuslan Bilovol .subclass = UAC3_FUNCTION_SUBCLASS_HEADPHONE, 291417156f23SRuslan Bilovol .name = "HEADPHONE", 291517156f23SRuslan Bilovol .p_chmask = 3, 291617156f23SRuslan Bilovol }, 291717156f23SRuslan Bilovol { 291817156f23SRuslan Bilovol /* BAOF; Mono or Stereo cfg, Mono alt possible */ 291917156f23SRuslan Bilovol .subclass = UAC3_FUNCTION_SUBCLASS_SPEAKER, 292017156f23SRuslan Bilovol .name = "SPEAKER", 292117156f23SRuslan Bilovol .p_chmask = -1, /* dynamic channels */ 292217156f23SRuslan Bilovol }, 292317156f23SRuslan Bilovol { 292417156f23SRuslan Bilovol /* BAIF; Mono or Stereo cfg, Mono alt possible */ 292517156f23SRuslan Bilovol .subclass = UAC3_FUNCTION_SUBCLASS_MICROPHONE, 292617156f23SRuslan Bilovol .name = "MICROPHONE", 292717156f23SRuslan Bilovol .c_chmask = -1, /* dynamic channels */ 292817156f23SRuslan Bilovol }, 292917156f23SRuslan Bilovol { 293017156f23SRuslan Bilovol /* 293117156f23SRuslan Bilovol * BAIOF topology 293217156f23SRuslan Bilovol * IN: Mono only 293317156f23SRuslan Bilovol * OUT: Mono or Stereo cfg, Mono alt possible 293417156f23SRuslan Bilovol */ 293517156f23SRuslan Bilovol .subclass = UAC3_FUNCTION_SUBCLASS_HEADSET, 293617156f23SRuslan Bilovol .name = "HEADSET", 293717156f23SRuslan Bilovol .c_chmask = 1, 293817156f23SRuslan Bilovol .p_chmask = -1, /* dynamic channels */ 293917156f23SRuslan Bilovol .st_chmask = 1, 294017156f23SRuslan Bilovol }, 294117156f23SRuslan Bilovol { 294217156f23SRuslan Bilovol /* BAIOF; IN: Mono only; OUT: Stereo only, Mono alt possible */ 294317156f23SRuslan Bilovol .subclass = UAC3_FUNCTION_SUBCLASS_HEADSET_ADAPTER, 294417156f23SRuslan Bilovol .name = "HEADSET ADAPTER", 294517156f23SRuslan Bilovol .c_chmask = 1, 294617156f23SRuslan Bilovol .p_chmask = 3, 294717156f23SRuslan Bilovol .st_chmask = 1, 294817156f23SRuslan Bilovol }, 294917156f23SRuslan Bilovol { 295017156f23SRuslan Bilovol /* BAIF + BAOF; IN: Mono only; OUT: Mono only */ 295117156f23SRuslan Bilovol .subclass = UAC3_FUNCTION_SUBCLASS_SPEAKERPHONE, 295217156f23SRuslan Bilovol .name = "SPEAKERPHONE", 295317156f23SRuslan Bilovol .c_chmask = 1, 295417156f23SRuslan Bilovol .p_chmask = 1, 295517156f23SRuslan Bilovol }, 295617156f23SRuslan Bilovol { 0 } /* terminator */ 295717156f23SRuslan Bilovol }; 295817156f23SRuslan Bilovol 295917156f23SRuslan Bilovol static bool uac3_badd_func_has_valid_channels(struct usb_mixer_interface *mixer, 2960a01df925STakashi Iwai const struct uac3_badd_profile *f, 296117156f23SRuslan Bilovol int c_chmask, int p_chmask) 296217156f23SRuslan Bilovol { 296317156f23SRuslan Bilovol /* 296417156f23SRuslan Bilovol * If both playback/capture channels are dynamic, make sure 296517156f23SRuslan Bilovol * at least one channel is present 296617156f23SRuslan Bilovol */ 296717156f23SRuslan Bilovol if (f->c_chmask < 0 && f->p_chmask < 0) { 296817156f23SRuslan Bilovol if (!c_chmask && !p_chmask) { 296917156f23SRuslan Bilovol usb_audio_warn(mixer->chip, "BAAD %s: no channels?", 297017156f23SRuslan Bilovol f->name); 297117156f23SRuslan Bilovol return false; 297217156f23SRuslan Bilovol } 297317156f23SRuslan Bilovol return true; 297417156f23SRuslan Bilovol } 297517156f23SRuslan Bilovol 297617156f23SRuslan Bilovol if ((f->c_chmask < 0 && !c_chmask) || 297717156f23SRuslan Bilovol (f->c_chmask >= 0 && f->c_chmask != c_chmask)) { 297817156f23SRuslan Bilovol usb_audio_warn(mixer->chip, "BAAD %s c_chmask mismatch", 297917156f23SRuslan Bilovol f->name); 298017156f23SRuslan Bilovol return false; 298117156f23SRuslan Bilovol } 298217156f23SRuslan Bilovol if ((f->p_chmask < 0 && !p_chmask) || 298317156f23SRuslan Bilovol (f->p_chmask >= 0 && f->p_chmask != p_chmask)) { 298417156f23SRuslan Bilovol usb_audio_warn(mixer->chip, "BAAD %s p_chmask mismatch", 298517156f23SRuslan Bilovol f->name); 298617156f23SRuslan Bilovol return false; 298717156f23SRuslan Bilovol } 298817156f23SRuslan Bilovol return true; 298917156f23SRuslan Bilovol } 299017156f23SRuslan Bilovol 299117156f23SRuslan Bilovol /* 299217156f23SRuslan Bilovol * create mixer controls for UAC3 BADD profiles 299317156f23SRuslan Bilovol * 299417156f23SRuslan Bilovol * UAC3 BADD device doesn't contain CS descriptors thus we will guess everything 299517156f23SRuslan Bilovol * 299617156f23SRuslan Bilovol * BADD device may contain Mixer Unit, which doesn't have any controls, skip it 299717156f23SRuslan Bilovol */ 299817156f23SRuslan Bilovol static int snd_usb_mixer_controls_badd(struct usb_mixer_interface *mixer, 299917156f23SRuslan Bilovol int ctrlif) 300017156f23SRuslan Bilovol { 300117156f23SRuslan Bilovol struct usb_device *dev = mixer->chip->dev; 300217156f23SRuslan Bilovol struct usb_interface_assoc_descriptor *assoc; 300317156f23SRuslan Bilovol int badd_profile = mixer->chip->badd_profile; 3004a01df925STakashi Iwai const struct uac3_badd_profile *f; 300517156f23SRuslan Bilovol const struct usbmix_ctl_map *map; 300617156f23SRuslan Bilovol int p_chmask = 0, c_chmask = 0, st_chmask = 0; 300717156f23SRuslan Bilovol int i; 300817156f23SRuslan Bilovol 300917156f23SRuslan Bilovol assoc = usb_ifnum_to_if(dev, ctrlif)->intf_assoc; 301017156f23SRuslan Bilovol 301117156f23SRuslan Bilovol /* Detect BADD capture/playback channels from AS EP descriptors */ 301217156f23SRuslan Bilovol for (i = 0; i < assoc->bInterfaceCount; i++) { 301317156f23SRuslan Bilovol int intf = assoc->bFirstInterface + i; 301417156f23SRuslan Bilovol 301517156f23SRuslan Bilovol struct usb_interface *iface; 301617156f23SRuslan Bilovol struct usb_host_interface *alts; 301717156f23SRuslan Bilovol struct usb_interface_descriptor *altsd; 301817156f23SRuslan Bilovol unsigned int maxpacksize; 301917156f23SRuslan Bilovol char dir_in; 302017156f23SRuslan Bilovol int chmask, num; 302117156f23SRuslan Bilovol 302217156f23SRuslan Bilovol if (intf == ctrlif) 302317156f23SRuslan Bilovol continue; 302417156f23SRuslan Bilovol 302517156f23SRuslan Bilovol iface = usb_ifnum_to_if(dev, intf); 30269435f2bbSTakashi Iwai if (!iface) 30279435f2bbSTakashi Iwai continue; 30289435f2bbSTakashi Iwai 302917156f23SRuslan Bilovol num = iface->num_altsetting; 303017156f23SRuslan Bilovol 303117156f23SRuslan Bilovol if (num < 2) 303217156f23SRuslan Bilovol return -EINVAL; 303317156f23SRuslan Bilovol 303417156f23SRuslan Bilovol /* 303517156f23SRuslan Bilovol * The number of Channels in an AudioStreaming interface 303617156f23SRuslan Bilovol * and the audio sample bit resolution (16 bits or 24 303717156f23SRuslan Bilovol * bits) can be derived from the wMaxPacketSize field in 303817156f23SRuslan Bilovol * the Standard AS Audio Data Endpoint descriptor in 303917156f23SRuslan Bilovol * Alternate Setting 1 304017156f23SRuslan Bilovol */ 304117156f23SRuslan Bilovol alts = &iface->altsetting[1]; 304217156f23SRuslan Bilovol altsd = get_iface_desc(alts); 304317156f23SRuslan Bilovol 304417156f23SRuslan Bilovol if (altsd->bNumEndpoints < 1) 304517156f23SRuslan Bilovol return -EINVAL; 304617156f23SRuslan Bilovol 304717156f23SRuslan Bilovol /* check direction */ 304817156f23SRuslan Bilovol dir_in = (get_endpoint(alts, 0)->bEndpointAddress & USB_DIR_IN); 304917156f23SRuslan Bilovol maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize); 305017156f23SRuslan Bilovol 305117156f23SRuslan Bilovol switch (maxpacksize) { 305217156f23SRuslan Bilovol default: 305317156f23SRuslan Bilovol usb_audio_err(mixer->chip, 305417156f23SRuslan Bilovol "incorrect wMaxPacketSize 0x%x for BADD profile\n", 305517156f23SRuslan Bilovol maxpacksize); 305617156f23SRuslan Bilovol return -EINVAL; 305717156f23SRuslan Bilovol case UAC3_BADD_EP_MAXPSIZE_SYNC_MONO_16: 305817156f23SRuslan Bilovol case UAC3_BADD_EP_MAXPSIZE_ASYNC_MONO_16: 305917156f23SRuslan Bilovol case UAC3_BADD_EP_MAXPSIZE_SYNC_MONO_24: 306017156f23SRuslan Bilovol case UAC3_BADD_EP_MAXPSIZE_ASYNC_MONO_24: 306117156f23SRuslan Bilovol chmask = 1; 306217156f23SRuslan Bilovol break; 306317156f23SRuslan Bilovol case UAC3_BADD_EP_MAXPSIZE_SYNC_STEREO_16: 306417156f23SRuslan Bilovol case UAC3_BADD_EP_MAXPSIZE_ASYNC_STEREO_16: 306517156f23SRuslan Bilovol case UAC3_BADD_EP_MAXPSIZE_SYNC_STEREO_24: 306617156f23SRuslan Bilovol case UAC3_BADD_EP_MAXPSIZE_ASYNC_STEREO_24: 306717156f23SRuslan Bilovol chmask = 3; 306817156f23SRuslan Bilovol break; 306917156f23SRuslan Bilovol } 307017156f23SRuslan Bilovol 307117156f23SRuslan Bilovol if (dir_in) 307217156f23SRuslan Bilovol c_chmask = chmask; 307317156f23SRuslan Bilovol else 307417156f23SRuslan Bilovol p_chmask = chmask; 307517156f23SRuslan Bilovol } 307617156f23SRuslan Bilovol 307717156f23SRuslan Bilovol usb_audio_dbg(mixer->chip, 307817156f23SRuslan Bilovol "UAC3 BADD profile 0x%x: detected c_chmask=%d p_chmask=%d\n", 307917156f23SRuslan Bilovol badd_profile, c_chmask, p_chmask); 308017156f23SRuslan Bilovol 308117156f23SRuslan Bilovol /* check the mapping table */ 308217156f23SRuslan Bilovol for (map = uac3_badd_usbmix_ctl_maps; map->id; map++) { 308317156f23SRuslan Bilovol if (map->id == badd_profile) 308417156f23SRuslan Bilovol break; 308517156f23SRuslan Bilovol } 308617156f23SRuslan Bilovol 308717156f23SRuslan Bilovol if (!map->id) 308817156f23SRuslan Bilovol return -EINVAL; 308917156f23SRuslan Bilovol 309017156f23SRuslan Bilovol for (f = uac3_badd_profiles; f->name; f++) { 309117156f23SRuslan Bilovol if (badd_profile == f->subclass) 309217156f23SRuslan Bilovol break; 309317156f23SRuslan Bilovol } 309417156f23SRuslan Bilovol if (!f->name) 309517156f23SRuslan Bilovol return -EINVAL; 309617156f23SRuslan Bilovol if (!uac3_badd_func_has_valid_channels(mixer, f, c_chmask, p_chmask)) 309717156f23SRuslan Bilovol return -EINVAL; 309817156f23SRuslan Bilovol st_chmask = f->st_chmask; 309917156f23SRuslan Bilovol 310017156f23SRuslan Bilovol /* Playback */ 310117156f23SRuslan Bilovol if (p_chmask) { 310217156f23SRuslan Bilovol /* Master channel, always writable */ 310317156f23SRuslan Bilovol build_feature_ctl_badd(mixer, 0, UAC_FU_MUTE, 310417156f23SRuslan Bilovol UAC3_BADD_FU_ID2, map->map); 310517156f23SRuslan Bilovol /* Mono/Stereo volume channels, always writable */ 310617156f23SRuslan Bilovol build_feature_ctl_badd(mixer, p_chmask, UAC_FU_VOLUME, 310717156f23SRuslan Bilovol UAC3_BADD_FU_ID2, map->map); 310817156f23SRuslan Bilovol } 310917156f23SRuslan Bilovol 311017156f23SRuslan Bilovol /* Capture */ 311117156f23SRuslan Bilovol if (c_chmask) { 311217156f23SRuslan Bilovol /* Master channel, always writable */ 311317156f23SRuslan Bilovol build_feature_ctl_badd(mixer, 0, UAC_FU_MUTE, 311417156f23SRuslan Bilovol UAC3_BADD_FU_ID5, map->map); 311517156f23SRuslan Bilovol /* Mono/Stereo volume channels, always writable */ 311617156f23SRuslan Bilovol build_feature_ctl_badd(mixer, c_chmask, UAC_FU_VOLUME, 311717156f23SRuslan Bilovol UAC3_BADD_FU_ID5, map->map); 311817156f23SRuslan Bilovol } 311917156f23SRuslan Bilovol 312017156f23SRuslan Bilovol /* Side tone-mixing */ 312117156f23SRuslan Bilovol if (st_chmask) { 312217156f23SRuslan Bilovol /* Master channel, always writable */ 312317156f23SRuslan Bilovol build_feature_ctl_badd(mixer, 0, UAC_FU_MUTE, 312417156f23SRuslan Bilovol UAC3_BADD_FU_ID7, map->map); 312517156f23SRuslan Bilovol /* Mono volume channel, always writable */ 312617156f23SRuslan Bilovol build_feature_ctl_badd(mixer, 1, UAC_FU_VOLUME, 312717156f23SRuslan Bilovol UAC3_BADD_FU_ID7, map->map); 312817156f23SRuslan Bilovol } 312917156f23SRuslan Bilovol 31303528cd8fSJorge Sanjuan /* Insertion Control */ 31313528cd8fSJorge Sanjuan if (f->subclass == UAC3_FUNCTION_SUBCLASS_HEADSET_ADAPTER) { 31323528cd8fSJorge Sanjuan struct usb_audio_term iterm, oterm; 31333528cd8fSJorge Sanjuan 31343528cd8fSJorge Sanjuan /* Input Term - Insertion control */ 31353528cd8fSJorge Sanjuan memset(&iterm, 0, sizeof(iterm)); 31363528cd8fSJorge Sanjuan iterm.id = UAC3_BADD_IT_ID4; 31373528cd8fSJorge Sanjuan iterm.type = UAC_BIDIR_TERMINAL_HEADSET; 3138934b9659STakashi Iwai build_connector_control(mixer, map->map, &iterm, true); 31393528cd8fSJorge Sanjuan 31403528cd8fSJorge Sanjuan /* Output Term - Insertion control */ 31413528cd8fSJorge Sanjuan memset(&oterm, 0, sizeof(oterm)); 31423528cd8fSJorge Sanjuan oterm.id = UAC3_BADD_OT_ID3; 31433528cd8fSJorge Sanjuan oterm.type = UAC_BIDIR_TERMINAL_HEADSET; 3144934b9659STakashi Iwai build_connector_control(mixer, map->map, &oterm, false); 31453528cd8fSJorge Sanjuan } 31463528cd8fSJorge Sanjuan 314717156f23SRuslan Bilovol return 0; 314817156f23SRuslan Bilovol } 314917156f23SRuslan Bilovol 3150f0b5e634SDaniel Mack /* 3151f0b5e634SDaniel Mack * create mixer controls 3152f0b5e634SDaniel Mack * 3153f0b5e634SDaniel Mack * walk through all UAC_OUTPUT_TERMINAL descriptors to search for mixers 3154f0b5e634SDaniel Mack */ 3155f0b5e634SDaniel Mack static int snd_usb_mixer_controls(struct usb_mixer_interface *mixer) 3156f0b5e634SDaniel Mack { 3157f0b5e634SDaniel Mack struct mixer_build state; 3158f0b5e634SDaniel Mack int err; 3159f0b5e634SDaniel Mack const struct usbmix_ctl_map *map; 316023caaf19SDaniel Mack void *p; 3161f0b5e634SDaniel Mack 3162f0b5e634SDaniel Mack memset(&state, 0, sizeof(state)); 3163f0b5e634SDaniel Mack state.chip = mixer->chip; 3164f0b5e634SDaniel Mack state.mixer = mixer; 31651faa5d07SDaniel Mack state.buffer = mixer->hostif->extra; 31661faa5d07SDaniel Mack state.buflen = mixer->hostif->extralen; 3167f0b5e634SDaniel Mack 3168f0b5e634SDaniel Mack /* check the mapping table */ 3169f0b5e634SDaniel Mack for (map = usbmix_ctl_maps; map->id; map++) { 3170f0b5e634SDaniel Mack if (map->id == state.chip->usb_id) { 3171f0b5e634SDaniel Mack state.map = map->map; 3172f0b5e634SDaniel Mack state.selector_map = map->selector_map; 3173fef66ae7STakashi Iwai mixer->connector_map = map->connector_map; 31743507245bSTakashi Iwai mixer->ignore_ctl_error |= map->ignore_ctl_error; 3175f0b5e634SDaniel Mack break; 3176f0b5e634SDaniel Mack } 3177f0b5e634SDaniel Mack } 3178f0b5e634SDaniel Mack 317923caaf19SDaniel Mack p = NULL; 31806bc170e4SDaniel Mack while ((p = snd_usb_find_csint_desc(mixer->hostif->extra, 31816bc170e4SDaniel Mack mixer->hostif->extralen, 31821faa5d07SDaniel Mack p, UAC_OUTPUT_TERMINAL)) != NULL) { 318357f87706STakashi Iwai if (!snd_usb_validate_audio_desc(p, mixer->protocol)) 318457f87706STakashi Iwai continue; /* skip invalid descriptor */ 318557f87706STakashi Iwai 318623caaf19SDaniel Mack if (mixer->protocol == UAC_VERSION_1) { 318769da9bcbSDaniel Mack struct uac1_output_terminal_descriptor *desc = p; 318823caaf19SDaniel Mack 31896bc170e4SDaniel Mack /* mark terminal ID as visited */ 31906bc170e4SDaniel Mack set_bit(desc->bTerminalID, state.unitbitmap); 319123caaf19SDaniel Mack state.oterm.id = desc->bTerminalID; 319223caaf19SDaniel Mack state.oterm.type = le16_to_cpu(desc->wTerminalType); 319323caaf19SDaniel Mack state.oterm.name = desc->iTerminal; 319423caaf19SDaniel Mack err = parse_audio_unit(&state, desc->bSourceID); 319583ea5d18SDaniel Mack if (err < 0 && err != -EINVAL) 319623caaf19SDaniel Mack return err; 31979a2fe9b8SRuslan Bilovol } else if (mixer->protocol == UAC_VERSION_2) { 319823caaf19SDaniel Mack struct uac2_output_terminal_descriptor *desc = p; 319923caaf19SDaniel Mack 32006bc170e4SDaniel Mack /* mark terminal ID as visited */ 32016bc170e4SDaniel Mack set_bit(desc->bTerminalID, state.unitbitmap); 3202f0b5e634SDaniel Mack state.oterm.id = desc->bTerminalID; 3203f0b5e634SDaniel Mack state.oterm.type = le16_to_cpu(desc->wTerminalType); 3204f0b5e634SDaniel Mack state.oterm.name = desc->iTerminal; 3205f0b5e634SDaniel Mack err = parse_audio_unit(&state, desc->bSourceID); 320683ea5d18SDaniel Mack if (err < 0 && err != -EINVAL) 3207f0b5e634SDaniel Mack return err; 320809414207SDaniel Mack 32096bc170e4SDaniel Mack /* 32106bc170e4SDaniel Mack * For UAC2, use the same approach to also add the 32116bc170e4SDaniel Mack * clock selectors 32126bc170e4SDaniel Mack */ 321309414207SDaniel Mack err = parse_audio_unit(&state, desc->bCSourceID); 321483ea5d18SDaniel Mack if (err < 0 && err != -EINVAL) 321509414207SDaniel Mack return err; 32165a222e84SAndrew Chant 32177dc3c5a0STakashi Iwai if ((state.oterm.type & 0xff00) != 0x0100 && 32187dc3c5a0STakashi Iwai uac_v2v3_control_is_readable(le16_to_cpu(desc->bmControls), 32195a222e84SAndrew Chant UAC2_TE_CONNECTOR)) { 3220934b9659STakashi Iwai build_connector_control(state.mixer, state.map, 3221934b9659STakashi Iwai &state.oterm, false); 32225a222e84SAndrew Chant } 32239a2fe9b8SRuslan Bilovol } else { /* UAC_VERSION_3 */ 32249a2fe9b8SRuslan Bilovol struct uac3_output_terminal_descriptor *desc = p; 32259a2fe9b8SRuslan Bilovol 32269a2fe9b8SRuslan Bilovol /* mark terminal ID as visited */ 32279a2fe9b8SRuslan Bilovol set_bit(desc->bTerminalID, state.unitbitmap); 32289a2fe9b8SRuslan Bilovol state.oterm.id = desc->bTerminalID; 32299a2fe9b8SRuslan Bilovol state.oterm.type = le16_to_cpu(desc->wTerminalType); 32309a2fe9b8SRuslan Bilovol state.oterm.name = le16_to_cpu(desc->wTerminalDescrStr); 32319a2fe9b8SRuslan Bilovol err = parse_audio_unit(&state, desc->bSourceID); 32329a2fe9b8SRuslan Bilovol if (err < 0 && err != -EINVAL) 32339a2fe9b8SRuslan Bilovol return err; 32349a2fe9b8SRuslan Bilovol 32359a2fe9b8SRuslan Bilovol /* 32369a2fe9b8SRuslan Bilovol * For UAC3, use the same approach to also add the 32379a2fe9b8SRuslan Bilovol * clock selectors 32389a2fe9b8SRuslan Bilovol */ 32399a2fe9b8SRuslan Bilovol err = parse_audio_unit(&state, desc->bCSourceID); 32409a2fe9b8SRuslan Bilovol if (err < 0 && err != -EINVAL) 32419a2fe9b8SRuslan Bilovol return err; 32421d38f5d8SJorge Sanjuan 32437dc3c5a0STakashi Iwai if ((state.oterm.type & 0xff00) != 0x0100 && 32447dc3c5a0STakashi Iwai uac_v2v3_control_is_readable(le32_to_cpu(desc->bmControls), 32451d38f5d8SJorge Sanjuan UAC3_TE_INSERTION)) { 3246934b9659STakashi Iwai build_connector_control(state.mixer, state.map, 3247934b9659STakashi Iwai &state.oterm, false); 32481d38f5d8SJorge Sanjuan } 3249f0b5e634SDaniel Mack } 325023caaf19SDaniel Mack } 325123caaf19SDaniel Mack 3252f0b5e634SDaniel Mack return 0; 3253f0b5e634SDaniel Mack } 3254f0b5e634SDaniel Mack 3255fef66ae7STakashi Iwai static int delegate_notify(struct usb_mixer_interface *mixer, int unitid, 3256fef66ae7STakashi Iwai u8 *control, u8 *channel) 3257fef66ae7STakashi Iwai { 3258fef66ae7STakashi Iwai const struct usbmix_connector_map *map = mixer->connector_map; 3259fef66ae7STakashi Iwai 3260fef66ae7STakashi Iwai if (!map) 3261fef66ae7STakashi Iwai return unitid; 3262fef66ae7STakashi Iwai 3263fef66ae7STakashi Iwai for (; map->id; map++) { 3264fef66ae7STakashi Iwai if (map->id == unitid) { 3265fef66ae7STakashi Iwai if (control && map->control) 3266fef66ae7STakashi Iwai *control = map->control; 3267fef66ae7STakashi Iwai if (channel && map->channel) 3268fef66ae7STakashi Iwai *channel = map->channel; 3269fef66ae7STakashi Iwai return map->delegated_id; 3270fef66ae7STakashi Iwai } 3271fef66ae7STakashi Iwai } 3272fef66ae7STakashi Iwai return unitid; 3273fef66ae7STakashi Iwai } 3274fef66ae7STakashi Iwai 3275f0b5e634SDaniel Mack void snd_usb_mixer_notify_id(struct usb_mixer_interface *mixer, int unitid) 3276f0b5e634SDaniel Mack { 32773360b84bSTakashi Iwai struct usb_mixer_elem_list *list; 3278f0b5e634SDaniel Mack 3279fef66ae7STakashi Iwai unitid = delegate_notify(mixer, unitid, NULL, NULL); 3280fef66ae7STakashi Iwai 32818c558076STakashi Iwai for_each_mixer_elem(list, mixer, unitid) { 3282220345e9STakashi Iwai struct usb_mixer_elem_info *info; 3283220345e9STakashi Iwai 3284220345e9STakashi Iwai if (!list->is_std_info) 3285220345e9STakashi Iwai continue; 3286220345e9STakashi Iwai info = mixer_elem_list_to_info(list); 3287b2500b58SJulian Scheel /* invalidate cache, so the value is read from the device */ 3288b2500b58SJulian Scheel info->cached = 0; 3289f0b5e634SDaniel Mack snd_ctl_notify(mixer->chip->card, SNDRV_CTL_EVENT_MASK_VALUE, 32903360b84bSTakashi Iwai &list->kctl->id); 3291f0b5e634SDaniel Mack } 3292b2500b58SJulian Scheel } 3293f0b5e634SDaniel Mack 3294f0b5e634SDaniel Mack static void snd_usb_mixer_dump_cval(struct snd_info_buffer *buffer, 32953360b84bSTakashi Iwai struct usb_mixer_elem_list *list) 3296f0b5e634SDaniel Mack { 32978c558076STakashi Iwai struct usb_mixer_elem_info *cval = mixer_elem_list_to_info(list); 3298a01df925STakashi Iwai static const char * const val_types[] = {"BOOLEAN", "INV_BOOLEAN", 3299f0b5e634SDaniel Mack "S8", "U8", "S16", "U16"}; 3300f0b5e634SDaniel Mack snd_iprintf(buffer, " Info: id=%i, control=%i, cmask=0x%x, " 33013360b84bSTakashi Iwai "channels=%i, type=\"%s\"\n", cval->head.id, 3302f0b5e634SDaniel Mack cval->control, cval->cmask, cval->channels, 3303f0b5e634SDaniel Mack val_types[cval->val_type]); 3304f0b5e634SDaniel Mack snd_iprintf(buffer, " Volume: min=%i, max=%i, dBmin=%i, dBmax=%i\n", 3305f0b5e634SDaniel Mack cval->min, cval->max, cval->dBmin, cval->dBmax); 3306f0b5e634SDaniel Mack } 3307f0b5e634SDaniel Mack 3308f0b5e634SDaniel Mack static void snd_usb_mixer_proc_read(struct snd_info_entry *entry, 3309f0b5e634SDaniel Mack struct snd_info_buffer *buffer) 3310f0b5e634SDaniel Mack { 3311f0b5e634SDaniel Mack struct snd_usb_audio *chip = entry->private_data; 3312f0b5e634SDaniel Mack struct usb_mixer_interface *mixer; 33133360b84bSTakashi Iwai struct usb_mixer_elem_list *list; 3314f0b5e634SDaniel Mack int unitid; 3315f0b5e634SDaniel Mack 3316f0b5e634SDaniel Mack list_for_each_entry(mixer, &chip->mixer_list, list) { 3317f0b5e634SDaniel Mack snd_iprintf(buffer, 3318f0b5e634SDaniel Mack "USB Mixer: usb_id=0x%08x, ctrlif=%i, ctlerr=%i\n", 33190aef31b7SChris Wulff chip->usb_id, mixer_ctrl_intf(mixer), 3320f0b5e634SDaniel Mack mixer->ignore_ctl_error); 3321f0b5e634SDaniel Mack snd_iprintf(buffer, "Card: %s\n", chip->card->longname); 3322f0b5e634SDaniel Mack for (unitid = 0; unitid < MAX_ID_ELEMS; unitid++) { 33238c558076STakashi Iwai for_each_mixer_elem(list, mixer, unitid) { 33243360b84bSTakashi Iwai snd_iprintf(buffer, " Unit: %i\n", list->id); 33253360b84bSTakashi Iwai if (list->kctl) 33263360b84bSTakashi Iwai snd_iprintf(buffer, 33273360b84bSTakashi Iwai " Control: name=\"%s\", index=%i\n", 33283360b84bSTakashi Iwai list->kctl->id.name, 33293360b84bSTakashi Iwai list->kctl->id.index); 33303360b84bSTakashi Iwai if (list->dump) 33313360b84bSTakashi Iwai list->dump(buffer, list); 33323360b84bSTakashi Iwai } 3333f0b5e634SDaniel Mack } 3334f0b5e634SDaniel Mack } 3335f0b5e634SDaniel Mack } 3336f0b5e634SDaniel Mack 3337e213e9cfSDaniel Mack static void snd_usb_mixer_interrupt_v2(struct usb_mixer_interface *mixer, 3338e213e9cfSDaniel Mack int attribute, int value, int index) 3339e213e9cfSDaniel Mack { 33403360b84bSTakashi Iwai struct usb_mixer_elem_list *list; 3341e213e9cfSDaniel Mack __u8 unitid = (index >> 8) & 0xff; 3342e213e9cfSDaniel Mack __u8 control = (value >> 8) & 0xff; 3343e213e9cfSDaniel Mack __u8 channel = value & 0xff; 3344191227d9SDaniel Mack unsigned int count = 0; 3345e213e9cfSDaniel Mack 3346e213e9cfSDaniel Mack if (channel >= MAX_CHANNELS) { 33470ba41d91STakashi Iwai usb_audio_dbg(mixer->chip, 33480ba41d91STakashi Iwai "%s(): bogus channel number %d\n", 3349e213e9cfSDaniel Mack __func__, channel); 3350e213e9cfSDaniel Mack return; 3351e213e9cfSDaniel Mack } 3352e213e9cfSDaniel Mack 3353fef66ae7STakashi Iwai unitid = delegate_notify(mixer, unitid, &control, &channel); 3354fef66ae7STakashi Iwai 33558c558076STakashi Iwai for_each_mixer_elem(list, mixer, unitid) 3356191227d9SDaniel Mack count++; 3357191227d9SDaniel Mack 3358191227d9SDaniel Mack if (count == 0) 3359191227d9SDaniel Mack return; 3360191227d9SDaniel Mack 33618c558076STakashi Iwai for_each_mixer_elem(list, mixer, unitid) { 33623360b84bSTakashi Iwai struct usb_mixer_elem_info *info; 33633360b84bSTakashi Iwai 33643360b84bSTakashi Iwai if (!list->kctl) 33653360b84bSTakashi Iwai continue; 3366220345e9STakashi Iwai if (!list->is_std_info) 3367220345e9STakashi Iwai continue; 33683360b84bSTakashi Iwai 33698c558076STakashi Iwai info = mixer_elem_list_to_info(list); 3370191227d9SDaniel Mack if (count > 1 && info->control != control) 3371e213e9cfSDaniel Mack continue; 3372e213e9cfSDaniel Mack 3373e213e9cfSDaniel Mack switch (attribute) { 3374e213e9cfSDaniel Mack case UAC2_CS_CUR: 3375e213e9cfSDaniel Mack /* invalidate cache, so the value is read from the device */ 3376e213e9cfSDaniel Mack if (channel) 3377e213e9cfSDaniel Mack info->cached &= ~(1 << channel); 3378e213e9cfSDaniel Mack else /* master channel */ 3379e213e9cfSDaniel Mack info->cached = 0; 3380e213e9cfSDaniel Mack 3381e213e9cfSDaniel Mack snd_ctl_notify(mixer->chip->card, SNDRV_CTL_EVENT_MASK_VALUE, 33823360b84bSTakashi Iwai &info->head.kctl->id); 3383e213e9cfSDaniel Mack break; 3384e213e9cfSDaniel Mack 3385e213e9cfSDaniel Mack case UAC2_CS_RANGE: 3386e213e9cfSDaniel Mack /* TODO */ 3387e213e9cfSDaniel Mack break; 3388e213e9cfSDaniel Mack 3389e213e9cfSDaniel Mack case UAC2_CS_MEM: 3390e213e9cfSDaniel Mack /* TODO */ 3391e213e9cfSDaniel Mack break; 3392e213e9cfSDaniel Mack 3393e213e9cfSDaniel Mack default: 33940ba41d91STakashi Iwai usb_audio_dbg(mixer->chip, 33950ba41d91STakashi Iwai "unknown attribute %d in interrupt\n", 3396e213e9cfSDaniel Mack attribute); 3397e213e9cfSDaniel Mack break; 3398e213e9cfSDaniel Mack } /* switch */ 3399e213e9cfSDaniel Mack } 3400e213e9cfSDaniel Mack } 3401e213e9cfSDaniel Mack 3402e213e9cfSDaniel Mack static void snd_usb_mixer_interrupt(struct urb *urb) 3403f0b5e634SDaniel Mack { 3404f0b5e634SDaniel Mack struct usb_mixer_interface *mixer = urb->context; 3405e213e9cfSDaniel Mack int len = urb->actual_length; 3406edf7de31SOliver Neukum int ustatus = urb->status; 3407f0b5e634SDaniel Mack 3408edf7de31SOliver Neukum if (ustatus != 0) 3409e213e9cfSDaniel Mack goto requeue; 3410f0b5e634SDaniel Mack 3411e213e9cfSDaniel Mack if (mixer->protocol == UAC_VERSION_1) { 3412e213e9cfSDaniel Mack struct uac1_status_word *status; 3413e213e9cfSDaniel Mack 3414e213e9cfSDaniel Mack for (status = urb->transfer_buffer; 3415e213e9cfSDaniel Mack len >= sizeof(*status); 3416e213e9cfSDaniel Mack len -= sizeof(*status), status++) { 34170ba41d91STakashi Iwai dev_dbg(&urb->dev->dev, "status interrupt: %02x %02x\n", 3418e213e9cfSDaniel Mack status->bStatusType, 3419e213e9cfSDaniel Mack status->bOriginator); 3420e213e9cfSDaniel Mack 3421f0b5e634SDaniel Mack /* ignore any notifications not from the control interface */ 3422e213e9cfSDaniel Mack if ((status->bStatusType & UAC1_STATUS_TYPE_ORIG_MASK) != 3423e213e9cfSDaniel Mack UAC1_STATUS_TYPE_ORIG_AUDIO_CONTROL_IF) 3424f0b5e634SDaniel Mack continue; 3425e213e9cfSDaniel Mack 3426e213e9cfSDaniel Mack if (status->bStatusType & UAC1_STATUS_TYPE_MEM_CHANGED) 3427e213e9cfSDaniel Mack snd_usb_mixer_rc_memory_change(mixer, status->bOriginator); 3428f0b5e634SDaniel Mack else 3429e213e9cfSDaniel Mack snd_usb_mixer_notify_id(mixer, status->bOriginator); 3430e213e9cfSDaniel Mack } 3431e213e9cfSDaniel Mack } else { /* UAC_VERSION_2 */ 3432e213e9cfSDaniel Mack struct uac2_interrupt_data_msg *msg; 3433e213e9cfSDaniel Mack 3434e213e9cfSDaniel Mack for (msg = urb->transfer_buffer; 3435e213e9cfSDaniel Mack len >= sizeof(*msg); 3436e213e9cfSDaniel Mack len -= sizeof(*msg), msg++) { 3437e213e9cfSDaniel Mack /* drop vendor specific and endpoint requests */ 3438e213e9cfSDaniel Mack if ((msg->bInfo & UAC2_INTERRUPT_DATA_MSG_VENDOR) || 3439e213e9cfSDaniel Mack (msg->bInfo & UAC2_INTERRUPT_DATA_MSG_EP)) 3440e213e9cfSDaniel Mack continue; 3441e213e9cfSDaniel Mack 3442e213e9cfSDaniel Mack snd_usb_mixer_interrupt_v2(mixer, msg->bAttribute, 3443e213e9cfSDaniel Mack le16_to_cpu(msg->wValue), 3444e213e9cfSDaniel Mack le16_to_cpu(msg->wIndex)); 3445f0b5e634SDaniel Mack } 3446f0b5e634SDaniel Mack } 3447e213e9cfSDaniel Mack 3448e213e9cfSDaniel Mack requeue: 34496bc170e4SDaniel Mack if (ustatus != -ENOENT && 34506bc170e4SDaniel Mack ustatus != -ECONNRESET && 34516bc170e4SDaniel Mack ustatus != -ESHUTDOWN) { 3452f0b5e634SDaniel Mack urb->dev = mixer->chip->dev; 3453f0b5e634SDaniel Mack usb_submit_urb(urb, GFP_ATOMIC); 3454f0b5e634SDaniel Mack } 3455f0b5e634SDaniel Mack } 3456f0b5e634SDaniel Mack 3457f0b5e634SDaniel Mack /* create the handler for the optional status interrupt endpoint */ 3458f0b5e634SDaniel Mack static int snd_usb_mixer_status_create(struct usb_mixer_interface *mixer) 3459f0b5e634SDaniel Mack { 3460f0b5e634SDaniel Mack struct usb_endpoint_descriptor *ep; 3461f0b5e634SDaniel Mack void *transfer_buffer; 3462f0b5e634SDaniel Mack int buffer_length; 3463f0b5e634SDaniel Mack unsigned int epnum; 3464f0b5e634SDaniel Mack 3465f0b5e634SDaniel Mack /* we need one interrupt input endpoint */ 34661faa5d07SDaniel Mack if (get_iface_desc(mixer->hostif)->bNumEndpoints < 1) 3467f0b5e634SDaniel Mack return 0; 34681faa5d07SDaniel Mack ep = get_endpoint(mixer->hostif, 0); 3469f0b5e634SDaniel Mack if (!usb_endpoint_dir_in(ep) || !usb_endpoint_xfer_int(ep)) 3470f0b5e634SDaniel Mack return 0; 3471f0b5e634SDaniel Mack 3472f0b5e634SDaniel Mack epnum = usb_endpoint_num(ep); 3473f0b5e634SDaniel Mack buffer_length = le16_to_cpu(ep->wMaxPacketSize); 3474f0b5e634SDaniel Mack transfer_buffer = kmalloc(buffer_length, GFP_KERNEL); 3475f0b5e634SDaniel Mack if (!transfer_buffer) 3476f0b5e634SDaniel Mack return -ENOMEM; 3477f0b5e634SDaniel Mack mixer->urb = usb_alloc_urb(0, GFP_KERNEL); 3478f0b5e634SDaniel Mack if (!mixer->urb) { 3479f0b5e634SDaniel Mack kfree(transfer_buffer); 3480f0b5e634SDaniel Mack return -ENOMEM; 3481f0b5e634SDaniel Mack } 3482f0b5e634SDaniel Mack usb_fill_int_urb(mixer->urb, mixer->chip->dev, 3483f0b5e634SDaniel Mack usb_rcvintpipe(mixer->chip->dev, epnum), 3484f0b5e634SDaniel Mack transfer_buffer, buffer_length, 3485e213e9cfSDaniel Mack snd_usb_mixer_interrupt, mixer, ep->bInterval); 3486f0b5e634SDaniel Mack usb_submit_urb(mixer->urb, GFP_KERNEL); 3487f0b5e634SDaniel Mack return 0; 3488f0b5e634SDaniel Mack } 3489f0b5e634SDaniel Mack 3490f0b5e634SDaniel Mack int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif, 3491f0b5e634SDaniel Mack int ignore_error) 3492f0b5e634SDaniel Mack { 3493c0a142e2STakashi Iwai static const struct snd_device_ops dev_ops = { 3494f0b5e634SDaniel Mack .dev_free = snd_usb_mixer_dev_free 3495f0b5e634SDaniel Mack }; 3496f0b5e634SDaniel Mack struct usb_mixer_interface *mixer; 349723caaf19SDaniel Mack int err; 3498f0b5e634SDaniel Mack 3499f0b5e634SDaniel Mack strcpy(chip->card->mixername, "USB Mixer"); 3500f0b5e634SDaniel Mack 3501f0b5e634SDaniel Mack mixer = kzalloc(sizeof(*mixer), GFP_KERNEL); 3502f0b5e634SDaniel Mack if (!mixer) 3503f0b5e634SDaniel Mack return -ENOMEM; 3504f0b5e634SDaniel Mack mixer->chip = chip; 3505f0b5e634SDaniel Mack mixer->ignore_ctl_error = ignore_error; 3506f0b5e634SDaniel Mack mixer->id_elems = kcalloc(MAX_ID_ELEMS, sizeof(*mixer->id_elems), 3507f0b5e634SDaniel Mack GFP_KERNEL); 3508f0b5e634SDaniel Mack if (!mixer->id_elems) { 3509f0b5e634SDaniel Mack kfree(mixer); 3510f0b5e634SDaniel Mack return -ENOMEM; 3511f0b5e634SDaniel Mack } 3512f0b5e634SDaniel Mack 35131faa5d07SDaniel Mack mixer->hostif = &usb_ifnum_to_if(chip->dev, ctrlif)->altsetting[0]; 35141faa5d07SDaniel Mack switch (get_iface_desc(mixer->hostif)->bInterfaceProtocol) { 3515a2acad82SClemens Ladisch case UAC_VERSION_1: 3516a2acad82SClemens Ladisch default: 3517a2acad82SClemens Ladisch mixer->protocol = UAC_VERSION_1; 3518a2acad82SClemens Ladisch break; 3519a2acad82SClemens Ladisch case UAC_VERSION_2: 3520a2acad82SClemens Ladisch mixer->protocol = UAC_VERSION_2; 3521a2acad82SClemens Ladisch break; 35229a2fe9b8SRuslan Bilovol case UAC_VERSION_3: 35239a2fe9b8SRuslan Bilovol mixer->protocol = UAC_VERSION_3; 35249a2fe9b8SRuslan Bilovol break; 3525a2acad82SClemens Ladisch } 3526f0b5e634SDaniel Mack 352717156f23SRuslan Bilovol if (mixer->protocol == UAC_VERSION_3 && 352817156f23SRuslan Bilovol chip->badd_profile >= UAC3_FUNCTION_SUBCLASS_GENERIC_IO) { 3529f25ecf8fSTakashi Iwai err = snd_usb_mixer_controls_badd(mixer, ctrlif); 3530f25ecf8fSTakashi Iwai if (err < 0) 3531f0b5e634SDaniel Mack goto _error; 3532f25ecf8fSTakashi Iwai } else { 3533f25ecf8fSTakashi Iwai err = snd_usb_mixer_controls(mixer); 3534f25ecf8fSTakashi Iwai if (err < 0) 3535f25ecf8fSTakashi Iwai goto _error; 3536ad6baae6SJorge Sanjuan } 3537ad6baae6SJorge Sanjuan 3538f25ecf8fSTakashi Iwai err = snd_usb_mixer_status_create(mixer); 3539f25ecf8fSTakashi Iwai if (err < 0) 354017156f23SRuslan Bilovol goto _error; 3541ad6baae6SJorge Sanjuan 3542328e9f69STakashi Iwai err = snd_usb_mixer_apply_create_quirk(mixer); 3543328e9f69STakashi Iwai if (err < 0) 3544328e9f69STakashi Iwai goto _error; 3545f0b5e634SDaniel Mack 35469cbb2808STakashi Iwai err = snd_device_new(chip->card, SNDRV_DEV_CODEC, mixer, &dev_ops); 3547f0b5e634SDaniel Mack if (err < 0) 3548f0b5e634SDaniel Mack goto _error; 3549f0b5e634SDaniel Mack 35507449054aSTakashi Iwai if (list_empty(&chip->mixer_list)) 35517449054aSTakashi Iwai snd_card_ro_proc_new(chip->card, "usbmixer", chip, 35527449054aSTakashi Iwai snd_usb_mixer_proc_read); 3553f0b5e634SDaniel Mack 3554f0b5e634SDaniel Mack list_add(&mixer->list, &chip->mixer_list); 3555f0b5e634SDaniel Mack return 0; 3556f0b5e634SDaniel Mack 3557f0b5e634SDaniel Mack _error: 3558f0b5e634SDaniel Mack snd_usb_mixer_free(mixer); 3559f0b5e634SDaniel Mack return err; 3560f0b5e634SDaniel Mack } 3561f0b5e634SDaniel Mack 3562a6cece9dSTakashi Iwai void snd_usb_mixer_disconnect(struct usb_mixer_interface *mixer) 3563f0b5e634SDaniel Mack { 3564124751d5STakashi Iwai if (mixer->disconnected) 3565124751d5STakashi Iwai return; 3566124751d5STakashi Iwai if (mixer->urb) 3567f0b5e634SDaniel Mack usb_kill_urb(mixer->urb); 3568124751d5STakashi Iwai if (mixer->rc_urb) 3569f0b5e634SDaniel Mack usb_kill_urb(mixer->rc_urb); 35709e4d5c1bSGeoffrey D. Bennett if (mixer->private_free) 35719e4d5c1bSGeoffrey D. Bennett mixer->private_free(mixer); 3572124751d5STakashi Iwai mixer->disconnected = true; 3573f0b5e634SDaniel Mack } 3574400362f1STakashi Iwai 3575400362f1STakashi Iwai #ifdef CONFIG_PM 3576400362f1STakashi Iwai /* stop any bus activity of a mixer */ 3577400362f1STakashi Iwai static void snd_usb_mixer_inactivate(struct usb_mixer_interface *mixer) 3578400362f1STakashi Iwai { 3579400362f1STakashi Iwai usb_kill_urb(mixer->urb); 3580400362f1STakashi Iwai usb_kill_urb(mixer->rc_urb); 3581400362f1STakashi Iwai } 3582400362f1STakashi Iwai 3583400362f1STakashi Iwai static int snd_usb_mixer_activate(struct usb_mixer_interface *mixer) 3584400362f1STakashi Iwai { 3585400362f1STakashi Iwai int err; 3586400362f1STakashi Iwai 3587400362f1STakashi Iwai if (mixer->urb) { 3588400362f1STakashi Iwai err = usb_submit_urb(mixer->urb, GFP_NOIO); 3589400362f1STakashi Iwai if (err < 0) 3590400362f1STakashi Iwai return err; 3591400362f1STakashi Iwai } 3592400362f1STakashi Iwai 3593400362f1STakashi Iwai return 0; 3594400362f1STakashi Iwai } 3595400362f1STakashi Iwai 3596400362f1STakashi Iwai int snd_usb_mixer_suspend(struct usb_mixer_interface *mixer) 3597400362f1STakashi Iwai { 3598400362f1STakashi Iwai snd_usb_mixer_inactivate(mixer); 35999e4d5c1bSGeoffrey D. Bennett if (mixer->private_suspend) 36009e4d5c1bSGeoffrey D. Bennett mixer->private_suspend(mixer); 3601400362f1STakashi Iwai return 0; 3602400362f1STakashi Iwai } 3603400362f1STakashi Iwai 36043360b84bSTakashi Iwai static int restore_mixer_value(struct usb_mixer_elem_list *list) 3605400362f1STakashi Iwai { 36068c558076STakashi Iwai struct usb_mixer_elem_info *cval = mixer_elem_list_to_info(list); 3607400362f1STakashi Iwai int c, err, idx; 3608400362f1STakashi Iwai 3609400362f1STakashi Iwai if (cval->cmask) { 3610400362f1STakashi Iwai idx = 0; 3611400362f1STakashi Iwai for (c = 0; c < MAX_CHANNELS; c++) { 3612400362f1STakashi Iwai if (!(cval->cmask & (1 << c))) 3613400362f1STakashi Iwai continue; 36146aa6925cSYao-Wen Mao if (cval->cached & (1 << (c + 1))) { 3615eef90451SChris J Arges err = snd_usb_set_cur_mix_value(cval, c + 1, idx, 3616400362f1STakashi Iwai cval->cache_val[idx]); 3617400362f1STakashi Iwai if (err < 0) 3618400362f1STakashi Iwai return err; 3619400362f1STakashi Iwai } 3620400362f1STakashi Iwai idx++; 3621400362f1STakashi Iwai } 3622400362f1STakashi Iwai } else { 3623400362f1STakashi Iwai /* master */ 3624400362f1STakashi Iwai if (cval->cached) { 3625eef90451SChris J Arges err = snd_usb_set_cur_mix_value(cval, 0, 0, *cval->cache_val); 3626400362f1STakashi Iwai if (err < 0) 3627400362f1STakashi Iwai return err; 3628400362f1STakashi Iwai } 3629400362f1STakashi Iwai } 3630400362f1STakashi Iwai 3631400362f1STakashi Iwai return 0; 3632400362f1STakashi Iwai } 3633400362f1STakashi Iwai 3634400362f1STakashi Iwai int snd_usb_mixer_resume(struct usb_mixer_interface *mixer, bool reset_resume) 3635400362f1STakashi Iwai { 36363360b84bSTakashi Iwai struct usb_mixer_elem_list *list; 3637400362f1STakashi Iwai int id, err; 3638400362f1STakashi Iwai 3639400362f1STakashi Iwai if (reset_resume) { 3640400362f1STakashi Iwai /* restore cached mixer values */ 3641400362f1STakashi Iwai for (id = 0; id < MAX_ID_ELEMS; id++) { 36428c558076STakashi Iwai for_each_mixer_elem(list, mixer, id) { 36433360b84bSTakashi Iwai if (list->resume) { 36443360b84bSTakashi Iwai err = list->resume(list); 3645400362f1STakashi Iwai if (err < 0) 3646400362f1STakashi Iwai return err; 3647400362f1STakashi Iwai } 3648400362f1STakashi Iwai } 3649400362f1STakashi Iwai } 36503360b84bSTakashi Iwai } 3651400362f1STakashi Iwai 3652964af639STakashi Iwai snd_usb_mixer_resume_quirk(mixer); 3653964af639STakashi Iwai 3654400362f1STakashi Iwai return snd_usb_mixer_activate(mixer); 3655400362f1STakashi Iwai } 3656400362f1STakashi Iwai #endif 36573360b84bSTakashi Iwai 36583360b84bSTakashi Iwai void snd_usb_mixer_elem_init_std(struct usb_mixer_elem_list *list, 36593360b84bSTakashi Iwai struct usb_mixer_interface *mixer, 36603360b84bSTakashi Iwai int unitid) 36613360b84bSTakashi Iwai { 36623360b84bSTakashi Iwai list->mixer = mixer; 36633360b84bSTakashi Iwai list->id = unitid; 36643360b84bSTakashi Iwai list->dump = snd_usb_mixer_dump_cval; 36653360b84bSTakashi Iwai #ifdef CONFIG_PM 36663360b84bSTakashi Iwai list->resume = restore_mixer_value; 36673360b84bSTakashi Iwai #endif 36683360b84bSTakashi Iwai } 3669