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 { 118f0b5e634SDaniel Mack if (!p || !p->name) 119f0b5e634SDaniel Mack return 0; 120f0b5e634SDaniel Mack 121f0b5e634SDaniel Mack buflen--; 122f0b5e634SDaniel Mack return strlcpy(buf, p->name, buflen); 123f0b5e634SDaniel Mack } 124f0b5e634SDaniel Mack 1255aeee342STakashi Iwai /* ignore the error value if ignore_ctl_error flag is set */ 1265aeee342STakashi Iwai #define filter_error(cval, err) \ 1273360b84bSTakashi Iwai ((cval)->head.mixer->ignore_ctl_error ? 0 : (err)) 1285aeee342STakashi Iwai 129f0b5e634SDaniel Mack /* check whether the control should be ignored */ 130f0b5e634SDaniel Mack static inline int 131f0b5e634SDaniel Mack check_ignored_ctl(const struct usbmix_name_map *p) 132f0b5e634SDaniel Mack { 133f0b5e634SDaniel Mack if (!p || p->name || p->dB) 134f0b5e634SDaniel Mack return 0; 135f0b5e634SDaniel Mack return 1; 136f0b5e634SDaniel Mack } 137f0b5e634SDaniel Mack 138f0b5e634SDaniel Mack /* dB mapping */ 139f0b5e634SDaniel Mack static inline void check_mapped_dB(const struct usbmix_name_map *p, 140f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval) 141f0b5e634SDaniel Mack { 142f0b5e634SDaniel Mack if (p && p->dB) { 143f0b5e634SDaniel Mack cval->dBmin = p->dB->min; 144f0b5e634SDaniel Mack cval->dBmax = p->dB->max; 14538b65190STakashi Iwai cval->initialized = 1; 146f0b5e634SDaniel Mack } 147f0b5e634SDaniel Mack } 148f0b5e634SDaniel Mack 149f0b5e634SDaniel Mack /* get the mapped selector source name */ 150f0b5e634SDaniel Mack static int check_mapped_selector_name(struct mixer_build *state, int unitid, 151f0b5e634SDaniel Mack int index, char *buf, int buflen) 152f0b5e634SDaniel Mack { 153f0b5e634SDaniel Mack const struct usbmix_selector_map *p; 154f0b5e634SDaniel Mack 155f0b5e634SDaniel Mack if (!state->selector_map) 156f0b5e634SDaniel Mack return 0; 157f0b5e634SDaniel Mack for (p = state->selector_map; p->id; p++) { 158f0b5e634SDaniel Mack if (p->id == unitid && index < p->count) 159f0b5e634SDaniel Mack return strlcpy(buf, p->names[index], buflen); 160f0b5e634SDaniel Mack } 161f0b5e634SDaniel Mack return 0; 162f0b5e634SDaniel Mack } 163f0b5e634SDaniel Mack 164f0b5e634SDaniel Mack /* 165f0b5e634SDaniel Mack * find an audio control unit with the given unit id 166f0b5e634SDaniel Mack */ 1676bc170e4SDaniel Mack static void *find_audio_control_unit(struct mixer_build *state, 1686bc170e4SDaniel Mack unsigned char unit) 169f0b5e634SDaniel Mack { 17067e1daa0SDaniel Mack /* we just parse the header */ 17167e1daa0SDaniel Mack struct uac_feature_unit_descriptor *hdr = NULL; 172f0b5e634SDaniel Mack 17367e1daa0SDaniel Mack while ((hdr = snd_usb_find_desc(state->buffer, state->buflen, hdr, 174f0b5e634SDaniel Mack USB_DT_CS_INTERFACE)) != NULL) { 17567e1daa0SDaniel Mack if (hdr->bLength >= 4 && 17667e1daa0SDaniel Mack hdr->bDescriptorSubtype >= UAC_INPUT_TERMINAL && 1779a2fe9b8SRuslan Bilovol hdr->bDescriptorSubtype <= UAC3_SAMPLE_RATE_CONVERTER && 17867e1daa0SDaniel Mack hdr->bUnitID == unit) 17967e1daa0SDaniel Mack return hdr; 180f0b5e634SDaniel Mack } 18167e1daa0SDaniel Mack 182f0b5e634SDaniel Mack return NULL; 183f0b5e634SDaniel Mack } 184f0b5e634SDaniel Mack 185f0b5e634SDaniel Mack /* 186f0b5e634SDaniel Mack * copy a string with the given id 187f0b5e634SDaniel Mack */ 188eccfc1b8SRuslan Bilovol static int snd_usb_copy_string_desc(struct snd_usb_audio *chip, 1896bc170e4SDaniel Mack int index, char *buf, int maxlen) 190f0b5e634SDaniel Mack { 191eccfc1b8SRuslan Bilovol int len = usb_string(chip->dev, index, buf, maxlen - 1); 192251552a2SJaejoong Kim 193251552a2SJaejoong Kim if (len < 0) 194251552a2SJaejoong Kim return 0; 195251552a2SJaejoong Kim 196f0b5e634SDaniel Mack buf[len] = 0; 197f0b5e634SDaniel Mack return len; 198f0b5e634SDaniel Mack } 199f0b5e634SDaniel Mack 200f0b5e634SDaniel Mack /* 201f0b5e634SDaniel Mack * convert from the byte/word on usb descriptor to the zero-based integer 202f0b5e634SDaniel Mack */ 203f0b5e634SDaniel Mack static int convert_signed_value(struct usb_mixer_elem_info *cval, int val) 204f0b5e634SDaniel Mack { 205f0b5e634SDaniel Mack switch (cval->val_type) { 206f0b5e634SDaniel Mack case USB_MIXER_BOOLEAN: 207f0b5e634SDaniel Mack return !!val; 208f0b5e634SDaniel Mack case USB_MIXER_INV_BOOLEAN: 209f0b5e634SDaniel Mack return !val; 210f0b5e634SDaniel Mack case USB_MIXER_U8: 211f0b5e634SDaniel Mack val &= 0xff; 212f0b5e634SDaniel Mack break; 213f0b5e634SDaniel Mack case USB_MIXER_S8: 214f0b5e634SDaniel Mack val &= 0xff; 215f0b5e634SDaniel Mack if (val >= 0x80) 216f0b5e634SDaniel Mack val -= 0x100; 217f0b5e634SDaniel Mack break; 218f0b5e634SDaniel Mack case USB_MIXER_U16: 219f0b5e634SDaniel Mack val &= 0xffff; 220f0b5e634SDaniel Mack break; 221f0b5e634SDaniel Mack case USB_MIXER_S16: 222f0b5e634SDaniel Mack val &= 0xffff; 223f0b5e634SDaniel Mack if (val >= 0x8000) 224f0b5e634SDaniel Mack val -= 0x10000; 225f0b5e634SDaniel Mack break; 226f0b5e634SDaniel Mack } 227f0b5e634SDaniel Mack return val; 228f0b5e634SDaniel Mack } 229f0b5e634SDaniel Mack 230f0b5e634SDaniel Mack /* 231f0b5e634SDaniel Mack * convert from the zero-based int to the byte/word for usb descriptor 232f0b5e634SDaniel Mack */ 233f0b5e634SDaniel Mack static int convert_bytes_value(struct usb_mixer_elem_info *cval, int val) 234f0b5e634SDaniel Mack { 235f0b5e634SDaniel Mack switch (cval->val_type) { 236f0b5e634SDaniel Mack case USB_MIXER_BOOLEAN: 237f0b5e634SDaniel Mack return !!val; 238f0b5e634SDaniel Mack case USB_MIXER_INV_BOOLEAN: 239f0b5e634SDaniel Mack return !val; 240f0b5e634SDaniel Mack case USB_MIXER_S8: 241f0b5e634SDaniel Mack case USB_MIXER_U8: 242f0b5e634SDaniel Mack return val & 0xff; 243f0b5e634SDaniel Mack case USB_MIXER_S16: 244f0b5e634SDaniel Mack case USB_MIXER_U16: 245f0b5e634SDaniel Mack return val & 0xffff; 246f0b5e634SDaniel Mack } 247f0b5e634SDaniel Mack return 0; /* not reached */ 248f0b5e634SDaniel Mack } 249f0b5e634SDaniel Mack 250f0b5e634SDaniel Mack static int get_relative_value(struct usb_mixer_elem_info *cval, int val) 251f0b5e634SDaniel Mack { 252f0b5e634SDaniel Mack if (!cval->res) 253f0b5e634SDaniel Mack cval->res = 1; 254f0b5e634SDaniel Mack if (val < cval->min) 255f0b5e634SDaniel Mack return 0; 256f0b5e634SDaniel Mack else if (val >= cval->max) 257f0b5e634SDaniel Mack return (cval->max - cval->min + cval->res - 1) / cval->res; 258f0b5e634SDaniel Mack else 259f0b5e634SDaniel Mack return (val - cval->min) / cval->res; 260f0b5e634SDaniel Mack } 261f0b5e634SDaniel Mack 262f0b5e634SDaniel Mack static int get_abs_value(struct usb_mixer_elem_info *cval, int val) 263f0b5e634SDaniel Mack { 264f0b5e634SDaniel Mack if (val < 0) 265f0b5e634SDaniel Mack return cval->min; 266f0b5e634SDaniel Mack if (!cval->res) 267f0b5e634SDaniel Mack cval->res = 1; 268f0b5e634SDaniel Mack val *= cval->res; 269f0b5e634SDaniel Mack val += cval->min; 270f0b5e634SDaniel Mack if (val > cval->max) 271f0b5e634SDaniel Mack return cval->max; 272f0b5e634SDaniel Mack return val; 273f0b5e634SDaniel Mack } 274f0b5e634SDaniel Mack 275bc18e31cSJulian Scheel static int uac2_ctl_value_size(int val_type) 276bc18e31cSJulian Scheel { 277bc18e31cSJulian Scheel switch (val_type) { 278bc18e31cSJulian Scheel case USB_MIXER_S32: 279bc18e31cSJulian Scheel case USB_MIXER_U32: 280bc18e31cSJulian Scheel return 4; 281bc18e31cSJulian Scheel case USB_MIXER_S16: 282bc18e31cSJulian Scheel case USB_MIXER_U16: 283bc18e31cSJulian Scheel return 2; 284bc18e31cSJulian Scheel default: 285bc18e31cSJulian Scheel return 1; 286bc18e31cSJulian Scheel } 287bc18e31cSJulian Scheel return 0; /* unreachable */ 288bc18e31cSJulian Scheel } 289bc18e31cSJulian Scheel 290f0b5e634SDaniel Mack 291f0b5e634SDaniel Mack /* 292f0b5e634SDaniel Mack * retrieve a mixer value 293f0b5e634SDaniel Mack */ 294f0b5e634SDaniel Mack 2950aef31b7SChris Wulff static inline int mixer_ctrl_intf(struct usb_mixer_interface *mixer) 2960aef31b7SChris Wulff { 2970aef31b7SChris Wulff return get_iface_desc(mixer->hostif)->bInterfaceNumber; 2980aef31b7SChris Wulff } 2990aef31b7SChris Wulff 3006bc170e4SDaniel Mack static int get_ctl_value_v1(struct usb_mixer_elem_info *cval, int request, 3016bc170e4SDaniel Mack int validx, int *value_ret) 302f0b5e634SDaniel Mack { 3033360b84bSTakashi Iwai struct snd_usb_audio *chip = cval->head.mixer->chip; 304f0b5e634SDaniel Mack unsigned char buf[2]; 305f0b5e634SDaniel Mack int val_len = cval->val_type >= USB_MIXER_S16 ? 2 : 1; 306f0b5e634SDaniel Mack int timeout = 10; 307978520b7STakashi Iwai int idx = 0, err; 308f0b5e634SDaniel Mack 30947ab1545STakashi Iwai err = snd_usb_lock_shutdown(chip); 31088a8516aSOliver Neukum if (err < 0) 31188a8516aSOliver Neukum return -EIO; 3126bc170e4SDaniel Mack 313f0b5e634SDaniel Mack while (timeout-- > 0) { 3140aef31b7SChris Wulff idx = mixer_ctrl_intf(cval->head.mixer) | (cval->head.id << 8); 3155a9a8ecaSStephen Barber err = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), request, 316f0b5e634SDaniel Mack USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, 3175a9a8ecaSStephen Barber validx, idx, buf, val_len); 3185a9a8ecaSStephen Barber if (err >= val_len) { 319f0b5e634SDaniel Mack *value_ret = convert_signed_value(cval, snd_usb_combine_bytes(buf, val_len)); 320978520b7STakashi Iwai err = 0; 321978520b7STakashi Iwai goto out; 3225a9a8ecaSStephen Barber } else if (err == -ETIMEDOUT) { 3235a9a8ecaSStephen Barber goto out; 324f0b5e634SDaniel Mack } 325f0b5e634SDaniel Mack } 3260ba41d91STakashi Iwai usb_audio_dbg(chip, 3270ba41d91STakashi Iwai "cannot get ctl value: req = %#x, wValue = %#x, wIndex = %#x, type = %d\n", 328978520b7STakashi Iwai request, validx, idx, cval->val_type); 329978520b7STakashi Iwai err = -EINVAL; 330978520b7STakashi Iwai 331978520b7STakashi Iwai out: 33247ab1545STakashi Iwai snd_usb_unlock_shutdown(chip); 333978520b7STakashi Iwai return err; 334f0b5e634SDaniel Mack } 335f0b5e634SDaniel Mack 3366bc170e4SDaniel Mack static int get_ctl_value_v2(struct usb_mixer_elem_info *cval, int request, 3376bc170e4SDaniel Mack int validx, int *value_ret) 33823caaf19SDaniel Mack { 3393360b84bSTakashi Iwai struct snd_usb_audio *chip = cval->head.mixer->chip; 340447cae58SKirill Marinushkin /* enough space for one range */ 341447cae58SKirill Marinushkin unsigned char buf[sizeof(__u16) + 3 * sizeof(__u32)]; 34223caaf19SDaniel Mack unsigned char *val; 343447cae58SKirill Marinushkin int idx = 0, ret, val_size, size; 34423caaf19SDaniel Mack __u8 bRequest; 34523caaf19SDaniel Mack 346447cae58SKirill Marinushkin val_size = uac2_ctl_value_size(cval->val_type); 347447cae58SKirill Marinushkin 348e8bdb6bbSDaniel Mack if (request == UAC_GET_CUR) { 349e8bdb6bbSDaniel Mack bRequest = UAC2_CS_CUR; 350447cae58SKirill Marinushkin size = val_size; 351e8bdb6bbSDaniel Mack } else { 352e8bdb6bbSDaniel Mack bRequest = UAC2_CS_RANGE; 353447cae58SKirill Marinushkin size = sizeof(__u16) + 3 * val_size; 354e8bdb6bbSDaniel Mack } 355e8bdb6bbSDaniel Mack 356e8bdb6bbSDaniel Mack memset(buf, 0, sizeof(buf)); 35723caaf19SDaniel Mack 35847ab1545STakashi Iwai ret = snd_usb_lock_shutdown(chip) ? -EIO : 0; 35988a8516aSOliver Neukum if (ret) 36088a8516aSOliver Neukum goto error; 36188a8516aSOliver Neukum 3620aef31b7SChris Wulff idx = mixer_ctrl_intf(cval->head.mixer) | (cval->head.id << 8); 3633d8d4dcfSDaniel Mack ret = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), bRequest, 36423caaf19SDaniel Mack USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, 365978520b7STakashi Iwai validx, idx, buf, size); 36647ab1545STakashi Iwai snd_usb_unlock_shutdown(chip); 36723caaf19SDaniel Mack 36823caaf19SDaniel Mack if (ret < 0) { 36988a8516aSOliver Neukum error: 3700ba41d91STakashi Iwai usb_audio_err(chip, 3710ba41d91STakashi Iwai "cannot get ctl value: req = %#x, wValue = %#x, wIndex = %#x, type = %d\n", 372978520b7STakashi Iwai request, validx, idx, cval->val_type); 37323caaf19SDaniel Mack return ret; 37423caaf19SDaniel Mack } 37523caaf19SDaniel Mack 376e8bdb6bbSDaniel Mack /* FIXME: how should we handle multiple triplets here? */ 377e8bdb6bbSDaniel Mack 37823caaf19SDaniel Mack switch (request) { 37923caaf19SDaniel Mack case UAC_GET_CUR: 38023caaf19SDaniel Mack val = buf; 38123caaf19SDaniel Mack break; 38223caaf19SDaniel Mack case UAC_GET_MIN: 38323caaf19SDaniel Mack val = buf + sizeof(__u16); 38423caaf19SDaniel Mack break; 38523caaf19SDaniel Mack case UAC_GET_MAX: 386447cae58SKirill Marinushkin val = buf + sizeof(__u16) + val_size; 38723caaf19SDaniel Mack break; 38823caaf19SDaniel Mack case UAC_GET_RES: 389447cae58SKirill Marinushkin val = buf + sizeof(__u16) + val_size * 2; 39023caaf19SDaniel Mack break; 39123caaf19SDaniel Mack default: 39223caaf19SDaniel Mack return -EINVAL; 39323caaf19SDaniel Mack } 39423caaf19SDaniel Mack 395447cae58SKirill Marinushkin *value_ret = convert_signed_value(cval, 396447cae58SKirill Marinushkin snd_usb_combine_bytes(val, val_size)); 39723caaf19SDaniel Mack 39823caaf19SDaniel Mack return 0; 39923caaf19SDaniel Mack } 40023caaf19SDaniel Mack 4016bc170e4SDaniel Mack static int get_ctl_value(struct usb_mixer_elem_info *cval, int request, 4026bc170e4SDaniel Mack int validx, int *value_ret) 40323caaf19SDaniel Mack { 4049f814105SEldad Zack validx += cval->idx_off; 4059f814105SEldad Zack 4063360b84bSTakashi Iwai return (cval->head.mixer->protocol == UAC_VERSION_1) ? 40723caaf19SDaniel Mack get_ctl_value_v1(cval, request, validx, value_ret) : 40823caaf19SDaniel Mack get_ctl_value_v2(cval, request, validx, value_ret); 40923caaf19SDaniel Mack } 41023caaf19SDaniel Mack 4116bc170e4SDaniel Mack static int get_cur_ctl_value(struct usb_mixer_elem_info *cval, 4126bc170e4SDaniel Mack int validx, int *value) 413f0b5e634SDaniel Mack { 414f0b5e634SDaniel Mack return get_ctl_value(cval, UAC_GET_CUR, validx, value); 415f0b5e634SDaniel Mack } 416f0b5e634SDaniel Mack 417f0b5e634SDaniel Mack /* channel = 0: master, 1 = first channel */ 418f0b5e634SDaniel Mack static inline int get_cur_mix_raw(struct usb_mixer_elem_info *cval, 419f0b5e634SDaniel Mack int channel, int *value) 420f0b5e634SDaniel Mack { 4216bc170e4SDaniel Mack return get_ctl_value(cval, UAC_GET_CUR, 4226bc170e4SDaniel Mack (cval->control << 8) | channel, 4236bc170e4SDaniel Mack value); 424f0b5e634SDaniel Mack } 425f0b5e634SDaniel Mack 426eef90451SChris J Arges int snd_usb_get_cur_mix_value(struct usb_mixer_elem_info *cval, 427f0b5e634SDaniel Mack int channel, int index, int *value) 428f0b5e634SDaniel Mack { 429f0b5e634SDaniel Mack int err; 430f0b5e634SDaniel Mack 431f0b5e634SDaniel Mack if (cval->cached & (1 << channel)) { 432f0b5e634SDaniel Mack *value = cval->cache_val[index]; 433f0b5e634SDaniel Mack return 0; 434f0b5e634SDaniel Mack } 435f0b5e634SDaniel Mack err = get_cur_mix_raw(cval, channel, value); 436f0b5e634SDaniel Mack if (err < 0) { 4373360b84bSTakashi Iwai if (!cval->head.mixer->ignore_ctl_error) 4383360b84bSTakashi Iwai usb_audio_dbg(cval->head.mixer->chip, 4390ba41d91STakashi Iwai "cannot get current value for control %d ch %d: err = %d\n", 440f0b5e634SDaniel Mack cval->control, channel, err); 441f0b5e634SDaniel Mack return err; 442f0b5e634SDaniel Mack } 443f0b5e634SDaniel Mack cval->cached |= 1 << channel; 444f0b5e634SDaniel Mack cval->cache_val[index] = *value; 445f0b5e634SDaniel Mack return 0; 446f0b5e634SDaniel Mack } 447f0b5e634SDaniel Mack 448f0b5e634SDaniel Mack /* 449f0b5e634SDaniel Mack * set a mixer value 450f0b5e634SDaniel Mack */ 451f0b5e634SDaniel Mack 452f0b5e634SDaniel Mack int snd_usb_mixer_set_ctl_value(struct usb_mixer_elem_info *cval, 453f0b5e634SDaniel Mack int request, int validx, int value_set) 454f0b5e634SDaniel Mack { 4553360b84bSTakashi Iwai struct snd_usb_audio *chip = cval->head.mixer->chip; 456bc18e31cSJulian Scheel unsigned char buf[4]; 457978520b7STakashi Iwai int idx = 0, val_len, err, timeout = 10; 45823caaf19SDaniel Mack 4599f814105SEldad Zack validx += cval->idx_off; 4609f814105SEldad Zack 4619a2fe9b8SRuslan Bilovol 4623360b84bSTakashi Iwai if (cval->head.mixer->protocol == UAC_VERSION_1) { 46323caaf19SDaniel Mack val_len = cval->val_type >= USB_MIXER_S16 ? 2 : 1; 4649a2fe9b8SRuslan Bilovol } else { /* UAC_VERSION_2/3 */ 465bc18e31cSJulian Scheel val_len = uac2_ctl_value_size(cval->val_type); 46623caaf19SDaniel Mack 46723caaf19SDaniel Mack /* FIXME */ 46823caaf19SDaniel Mack if (request != UAC_SET_CUR) { 4690ba41d91STakashi Iwai usb_audio_dbg(chip, "RANGE setting not yet supported\n"); 47023caaf19SDaniel Mack return -EINVAL; 47123caaf19SDaniel Mack } 47223caaf19SDaniel Mack 47323caaf19SDaniel Mack request = UAC2_CS_CUR; 47423caaf19SDaniel Mack } 475f0b5e634SDaniel Mack 476f0b5e634SDaniel Mack value_set = convert_bytes_value(cval, value_set); 477f0b5e634SDaniel Mack buf[0] = value_set & 0xff; 478f0b5e634SDaniel Mack buf[1] = (value_set >> 8) & 0xff; 479bc18e31cSJulian Scheel buf[2] = (value_set >> 16) & 0xff; 480bc18e31cSJulian Scheel buf[3] = (value_set >> 24) & 0xff; 48147ab1545STakashi Iwai 48247ab1545STakashi Iwai err = snd_usb_lock_shutdown(chip); 48388a8516aSOliver Neukum if (err < 0) 48488a8516aSOliver Neukum return -EIO; 48547ab1545STakashi Iwai 486978520b7STakashi Iwai while (timeout-- > 0) { 4870aef31b7SChris Wulff idx = mixer_ctrl_intf(cval->head.mixer) | (cval->head.id << 8); 4885a9a8ecaSStephen Barber err = snd_usb_ctl_msg(chip->dev, 4893d8d4dcfSDaniel Mack usb_sndctrlpipe(chip->dev, 0), request, 490f0b5e634SDaniel Mack USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT, 4915a9a8ecaSStephen Barber validx, idx, buf, val_len); 4925a9a8ecaSStephen Barber if (err >= 0) { 493978520b7STakashi Iwai err = 0; 494978520b7STakashi Iwai goto out; 4955a9a8ecaSStephen Barber } else if (err == -ETIMEDOUT) { 4965a9a8ecaSStephen Barber goto out; 49788a8516aSOliver Neukum } 498978520b7STakashi Iwai } 4990ba41d91STakashi Iwai usb_audio_dbg(chip, "cannot set ctl value: req = %#x, wValue = %#x, wIndex = %#x, type = %d, data = %#x/%#x\n", 500978520b7STakashi Iwai request, validx, idx, cval->val_type, buf[0], buf[1]); 501978520b7STakashi Iwai err = -EINVAL; 502978520b7STakashi Iwai 503978520b7STakashi Iwai out: 50447ab1545STakashi Iwai snd_usb_unlock_shutdown(chip); 505978520b7STakashi Iwai return err; 506f0b5e634SDaniel Mack } 507f0b5e634SDaniel Mack 5086bc170e4SDaniel Mack static int set_cur_ctl_value(struct usb_mixer_elem_info *cval, 5096bc170e4SDaniel Mack int validx, int value) 510f0b5e634SDaniel Mack { 511f0b5e634SDaniel Mack return snd_usb_mixer_set_ctl_value(cval, UAC_SET_CUR, validx, value); 512f0b5e634SDaniel Mack } 513f0b5e634SDaniel Mack 514eef90451SChris J Arges int snd_usb_set_cur_mix_value(struct usb_mixer_elem_info *cval, int channel, 515f0b5e634SDaniel Mack int index, int value) 516f0b5e634SDaniel Mack { 517f0b5e634SDaniel Mack int err; 518a6a33259SDaniel Mack unsigned int read_only = (channel == 0) ? 519a6a33259SDaniel Mack cval->master_readonly : 520a6a33259SDaniel Mack cval->ch_readonly & (1 << (channel - 1)); 521a6a33259SDaniel Mack 522a6a33259SDaniel Mack if (read_only) { 5233360b84bSTakashi Iwai usb_audio_dbg(cval->head.mixer->chip, 5240ba41d91STakashi Iwai "%s(): channel %d of control %d is read_only\n", 525a6a33259SDaniel Mack __func__, channel, cval->control); 526a6a33259SDaniel Mack return 0; 527a6a33259SDaniel Mack } 528a6a33259SDaniel Mack 5296bc170e4SDaniel Mack err = snd_usb_mixer_set_ctl_value(cval, 5306bc170e4SDaniel Mack UAC_SET_CUR, (cval->control << 8) | channel, 531f0b5e634SDaniel Mack value); 532f0b5e634SDaniel Mack if (err < 0) 533f0b5e634SDaniel Mack return err; 534f0b5e634SDaniel Mack cval->cached |= 1 << channel; 535f0b5e634SDaniel Mack cval->cache_val[index] = value; 536f0b5e634SDaniel Mack return 0; 537f0b5e634SDaniel Mack } 538f0b5e634SDaniel Mack 539f0b5e634SDaniel Mack /* 540f0b5e634SDaniel Mack * TLV callback for mixer volume controls 541f0b5e634SDaniel Mack */ 542285de9c0SFelix Homann int snd_usb_mixer_vol_tlv(struct snd_kcontrol *kcontrol, int op_flag, 543f0b5e634SDaniel Mack unsigned int size, unsigned int __user *_tlv) 544f0b5e634SDaniel Mack { 545f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval = kcontrol->private_data; 546f0b5e634SDaniel Mack DECLARE_TLV_DB_MINMAX(scale, 0, 0); 547f0b5e634SDaniel Mack 548f0b5e634SDaniel Mack if (size < sizeof(scale)) 549f0b5e634SDaniel Mack return -ENOMEM; 5500f174b35STakashi Iwai if (cval->min_mute) 5510f174b35STakashi Iwai scale[0] = SNDRV_CTL_TLVT_DB_MINMAX_MUTE; 552f0b5e634SDaniel Mack scale[2] = cval->dBmin; 553f0b5e634SDaniel Mack scale[3] = cval->dBmax; 554f0b5e634SDaniel Mack if (copy_to_user(_tlv, scale, sizeof(scale))) 555f0b5e634SDaniel Mack return -EFAULT; 556f0b5e634SDaniel Mack return 0; 557f0b5e634SDaniel Mack } 558f0b5e634SDaniel Mack 559f0b5e634SDaniel Mack /* 560f0b5e634SDaniel Mack * parser routines begin here... 561f0b5e634SDaniel Mack */ 562f0b5e634SDaniel Mack 563f0b5e634SDaniel Mack static int parse_audio_unit(struct mixer_build *state, int unitid); 564f0b5e634SDaniel Mack 565f0b5e634SDaniel Mack 566f0b5e634SDaniel Mack /* 567f0b5e634SDaniel Mack * check if the input/output channel routing is enabled on the given bitmap. 568f0b5e634SDaniel Mack * used for mixer unit parser 569f0b5e634SDaniel Mack */ 5706bc170e4SDaniel Mack static int check_matrix_bitmap(unsigned char *bmap, 5716bc170e4SDaniel Mack int ich, int och, int num_outs) 572f0b5e634SDaniel Mack { 573f0b5e634SDaniel Mack int idx = ich * num_outs + och; 574f0b5e634SDaniel Mack return bmap[idx >> 3] & (0x80 >> (idx & 7)); 575f0b5e634SDaniel Mack } 576f0b5e634SDaniel Mack 577f0b5e634SDaniel Mack /* 578f0b5e634SDaniel Mack * add an alsa control element 579f0b5e634SDaniel Mack * search and increment the index until an empty slot is found. 580f0b5e634SDaniel Mack * 581f0b5e634SDaniel Mack * if failed, give up and free the control instance. 582f0b5e634SDaniel Mack */ 583f0b5e634SDaniel Mack 5843360b84bSTakashi Iwai int snd_usb_mixer_add_control(struct usb_mixer_elem_list *list, 585ef9d5970SDaniel Mack struct snd_kcontrol *kctl) 586f0b5e634SDaniel Mack { 5873360b84bSTakashi Iwai struct usb_mixer_interface *mixer = list->mixer; 588f0b5e634SDaniel Mack int err; 589f0b5e634SDaniel Mack 590ef9d5970SDaniel Mack while (snd_ctl_find_id(mixer->chip->card, &kctl->id)) 591f0b5e634SDaniel Mack kctl->id.index++; 592f25ecf8fSTakashi Iwai err = snd_ctl_add(mixer->chip->card, kctl); 593f25ecf8fSTakashi Iwai if (err < 0) { 5946bc170e4SDaniel Mack usb_audio_dbg(mixer->chip, "cannot add control (err = %d)\n", 5956bc170e4SDaniel Mack err); 596f0b5e634SDaniel Mack return err; 597f0b5e634SDaniel Mack } 5983360b84bSTakashi Iwai list->kctl = kctl; 5993360b84bSTakashi Iwai list->next_id_elem = mixer->id_elems[list->id]; 6003360b84bSTakashi Iwai mixer->id_elems[list->id] = list; 601f0b5e634SDaniel Mack return 0; 602f0b5e634SDaniel Mack } 603f0b5e634SDaniel Mack 604f0b5e634SDaniel Mack /* 605f0b5e634SDaniel Mack * get a terminal name string 606f0b5e634SDaniel Mack */ 607f0b5e634SDaniel Mack 608f0b5e634SDaniel Mack static struct iterm_name_combo { 609f0b5e634SDaniel Mack int type; 610f0b5e634SDaniel Mack char *name; 611f0b5e634SDaniel Mack } iterm_names[] = { 612f0b5e634SDaniel Mack { 0x0300, "Output" }, 613f0b5e634SDaniel Mack { 0x0301, "Speaker" }, 614f0b5e634SDaniel Mack { 0x0302, "Headphone" }, 615f0b5e634SDaniel Mack { 0x0303, "HMD Audio" }, 616f0b5e634SDaniel Mack { 0x0304, "Desktop Speaker" }, 617f0b5e634SDaniel Mack { 0x0305, "Room Speaker" }, 618f0b5e634SDaniel Mack { 0x0306, "Com Speaker" }, 619f0b5e634SDaniel Mack { 0x0307, "LFE" }, 620f0b5e634SDaniel Mack { 0x0600, "External In" }, 621f0b5e634SDaniel Mack { 0x0601, "Analog In" }, 622f0b5e634SDaniel Mack { 0x0602, "Digital In" }, 623f0b5e634SDaniel Mack { 0x0603, "Line" }, 624f0b5e634SDaniel Mack { 0x0604, "Legacy In" }, 625f0b5e634SDaniel Mack { 0x0605, "IEC958 In" }, 626f0b5e634SDaniel Mack { 0x0606, "1394 DA Stream" }, 627f0b5e634SDaniel Mack { 0x0607, "1394 DV Stream" }, 628f0b5e634SDaniel Mack { 0x0700, "Embedded" }, 629f0b5e634SDaniel Mack { 0x0701, "Noise Source" }, 630f0b5e634SDaniel Mack { 0x0702, "Equalization Noise" }, 631f0b5e634SDaniel Mack { 0x0703, "CD" }, 632f0b5e634SDaniel Mack { 0x0704, "DAT" }, 633f0b5e634SDaniel Mack { 0x0705, "DCC" }, 634f0b5e634SDaniel Mack { 0x0706, "MiniDisk" }, 635f0b5e634SDaniel Mack { 0x0707, "Analog Tape" }, 636f0b5e634SDaniel Mack { 0x0708, "Phonograph" }, 637f0b5e634SDaniel Mack { 0x0709, "VCR Audio" }, 638f0b5e634SDaniel Mack { 0x070a, "Video Disk Audio" }, 639f0b5e634SDaniel Mack { 0x070b, "DVD Audio" }, 640f0b5e634SDaniel Mack { 0x070c, "TV Tuner Audio" }, 641f0b5e634SDaniel Mack { 0x070d, "Satellite Rec Audio" }, 642f0b5e634SDaniel Mack { 0x070e, "Cable Tuner Audio" }, 643f0b5e634SDaniel Mack { 0x070f, "DSS Audio" }, 644f0b5e634SDaniel Mack { 0x0710, "Radio Receiver" }, 645f0b5e634SDaniel Mack { 0x0711, "Radio Transmitter" }, 646f0b5e634SDaniel Mack { 0x0712, "Multi-Track Recorder" }, 647f0b5e634SDaniel Mack { 0x0713, "Synthesizer" }, 648f0b5e634SDaniel Mack { 0 }, 649f0b5e634SDaniel Mack }; 650f0b5e634SDaniel Mack 651eccfc1b8SRuslan Bilovol static int get_term_name(struct snd_usb_audio *chip, struct usb_audio_term *iterm, 652f0b5e634SDaniel Mack unsigned char *name, int maxlen, int term_only) 653f0b5e634SDaniel Mack { 654f0b5e634SDaniel Mack struct iterm_name_combo *names; 65556a23ee5STakashi Iwai int len; 656f0b5e634SDaniel Mack 65756a23ee5STakashi Iwai if (iterm->name) { 658eccfc1b8SRuslan Bilovol len = snd_usb_copy_string_desc(chip, iterm->name, 6596bc170e4SDaniel Mack name, maxlen); 66056a23ee5STakashi Iwai if (len) 66156a23ee5STakashi Iwai return len; 66256a23ee5STakashi Iwai } 663f0b5e634SDaniel Mack 664f0b5e634SDaniel Mack /* virtual type - not a real terminal */ 665f0b5e634SDaniel Mack if (iterm->type >> 16) { 666f0b5e634SDaniel Mack if (term_only) 667f0b5e634SDaniel Mack return 0; 668f0b5e634SDaniel Mack switch (iterm->type >> 16) { 6698b3a087fSJorge Sanjuan case UAC3_SELECTOR_UNIT: 6706bc170e4SDaniel Mack strcpy(name, "Selector"); 6716bc170e4SDaniel Mack return 8; 6728b3a087fSJorge Sanjuan case UAC3_PROCESSING_UNIT: 6736bc170e4SDaniel Mack strcpy(name, "Process Unit"); 6746bc170e4SDaniel Mack return 12; 6758b3a087fSJorge Sanjuan case UAC3_EXTENSION_UNIT: 6766bc170e4SDaniel Mack strcpy(name, "Ext Unit"); 6776bc170e4SDaniel Mack return 8; 6788b3a087fSJorge Sanjuan case UAC3_MIXER_UNIT: 6796bc170e4SDaniel Mack strcpy(name, "Mixer"); 6806bc170e4SDaniel Mack return 5; 681f0b5e634SDaniel Mack default: 682f0b5e634SDaniel Mack return sprintf(name, "Unit %d", iterm->id); 683f0b5e634SDaniel Mack } 684f0b5e634SDaniel Mack } 685f0b5e634SDaniel Mack 686f0b5e634SDaniel Mack switch (iterm->type & 0xff00) { 687f0b5e634SDaniel Mack case 0x0100: 6886bc170e4SDaniel Mack strcpy(name, "PCM"); 6896bc170e4SDaniel Mack return 3; 690f0b5e634SDaniel Mack case 0x0200: 6916bc170e4SDaniel Mack strcpy(name, "Mic"); 6926bc170e4SDaniel Mack return 3; 693f0b5e634SDaniel Mack case 0x0400: 6946bc170e4SDaniel Mack strcpy(name, "Headset"); 6956bc170e4SDaniel Mack return 7; 696f0b5e634SDaniel Mack case 0x0500: 6976bc170e4SDaniel Mack strcpy(name, "Phone"); 6986bc170e4SDaniel Mack return 5; 699f0b5e634SDaniel Mack } 700f0b5e634SDaniel Mack 7016bc170e4SDaniel Mack for (names = iterm_names; names->type; names++) { 702f0b5e634SDaniel Mack if (names->type == iterm->type) { 703f0b5e634SDaniel Mack strcpy(name, names->name); 704f0b5e634SDaniel Mack return strlen(names->name); 705f0b5e634SDaniel Mack } 706f0b5e634SDaniel Mack } 707f0b5e634SDaniel Mack 7086bc170e4SDaniel Mack return 0; 7096bc170e4SDaniel Mack } 710f0b5e634SDaniel Mack 711f0b5e634SDaniel Mack /* 7126cfd839aSJorge Sanjuan * Get logical cluster information for UAC3 devices. 7136cfd839aSJorge Sanjuan */ 7146cfd839aSJorge Sanjuan static int get_cluster_channels_v3(struct mixer_build *state, unsigned int cluster_id) 7156cfd839aSJorge Sanjuan { 7166cfd839aSJorge Sanjuan struct uac3_cluster_header_descriptor c_header; 7176cfd839aSJorge Sanjuan int err; 7186cfd839aSJorge Sanjuan 7196cfd839aSJorge Sanjuan err = snd_usb_ctl_msg(state->chip->dev, 7206cfd839aSJorge Sanjuan usb_rcvctrlpipe(state->chip->dev, 0), 7216cfd839aSJorge Sanjuan UAC3_CS_REQ_HIGH_CAPABILITY_DESCRIPTOR, 7226cfd839aSJorge Sanjuan USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, 7236cfd839aSJorge Sanjuan cluster_id, 7246cfd839aSJorge Sanjuan snd_usb_ctrl_intf(state->chip), 7256cfd839aSJorge Sanjuan &c_header, sizeof(c_header)); 7266cfd839aSJorge Sanjuan if (err < 0) 7276cfd839aSJorge Sanjuan goto error; 7286cfd839aSJorge Sanjuan if (err != sizeof(c_header)) { 7296cfd839aSJorge Sanjuan err = -EIO; 7306cfd839aSJorge Sanjuan goto error; 7316cfd839aSJorge Sanjuan } 7326cfd839aSJorge Sanjuan 7336cfd839aSJorge Sanjuan return c_header.bNrChannels; 7346cfd839aSJorge Sanjuan 7356cfd839aSJorge Sanjuan error: 7366cfd839aSJorge Sanjuan usb_audio_err(state->chip, "cannot request logical cluster ID: %d (err: %d)\n", cluster_id, err); 7376cfd839aSJorge Sanjuan return err; 7386cfd839aSJorge Sanjuan } 7396cfd839aSJorge Sanjuan 7406cfd839aSJorge Sanjuan /* 7416cfd839aSJorge Sanjuan * Get number of channels for a Mixer Unit. 7426cfd839aSJorge Sanjuan */ 7436cfd839aSJorge Sanjuan static int uac_mixer_unit_get_channels(struct mixer_build *state, 7446cfd839aSJorge Sanjuan struct uac_mixer_unit_descriptor *desc) 7456cfd839aSJorge Sanjuan { 7466cfd839aSJorge Sanjuan int mu_channels; 7476cfd839aSJorge Sanjuan 7486cfd839aSJorge Sanjuan switch (state->mixer->protocol) { 7496cfd839aSJorge Sanjuan case UAC_VERSION_1: 7506cfd839aSJorge Sanjuan case UAC_VERSION_2: 7516cfd839aSJorge Sanjuan default: 7520bfe5e43STakashi Iwai if (desc->bLength < sizeof(*desc) + desc->bNrInPins + 1) 7530bfe5e43STakashi Iwai return 0; /* no bmControls -> skip */ 7546cfd839aSJorge Sanjuan mu_channels = uac_mixer_unit_bNrChannels(desc); 7556cfd839aSJorge Sanjuan break; 7566cfd839aSJorge Sanjuan case UAC_VERSION_3: 7576cfd839aSJorge Sanjuan mu_channels = get_cluster_channels_v3(state, 7586cfd839aSJorge Sanjuan uac3_mixer_unit_wClusterDescrID(desc)); 7596cfd839aSJorge Sanjuan break; 7606cfd839aSJorge Sanjuan } 7616cfd839aSJorge Sanjuan 7626cfd839aSJorge Sanjuan return mu_channels; 7636cfd839aSJorge Sanjuan } 7646cfd839aSJorge Sanjuan 7656cfd839aSJorge Sanjuan /* 766e0ccdef9STakashi Iwai * Parse Input Terminal Unit 767f0b5e634SDaniel Mack */ 76819bce474SHui Peng static int __check_input_term(struct mixer_build *state, int id, 769e0ccdef9STakashi Iwai struct usb_audio_term *term); 770e0ccdef9STakashi Iwai 771e0ccdef9STakashi Iwai static int parse_term_uac1_iterm_unit(struct mixer_build *state, 772e0ccdef9STakashi Iwai struct usb_audio_term *term, 773e0ccdef9STakashi Iwai void *p1, int id) 774f0b5e634SDaniel Mack { 77523caaf19SDaniel Mack struct uac_input_terminal_descriptor *d = p1; 7769a2fe9b8SRuslan Bilovol 77723caaf19SDaniel Mack term->type = le16_to_cpu(d->wTerminalType); 77823caaf19SDaniel Mack term->channels = d->bNrChannels; 77923caaf19SDaniel Mack term->chconfig = le16_to_cpu(d->wChannelConfig); 78023caaf19SDaniel Mack term->name = d->iTerminal; 781e0ccdef9STakashi Iwai return 0; 782e0ccdef9STakashi Iwai } 7839430e547SJulian Scheel 784e0ccdef9STakashi Iwai static int parse_term_uac2_iterm_unit(struct mixer_build *state, 785e0ccdef9STakashi Iwai struct usb_audio_term *term, 786e0ccdef9STakashi Iwai void *p1, int id) 787e0ccdef9STakashi Iwai { 788e0ccdef9STakashi Iwai struct uac2_input_terminal_descriptor *d = p1; 789e0ccdef9STakashi Iwai int err; 790e0ccdef9STakashi Iwai 791e0ccdef9STakashi Iwai /* call recursively to verify the referenced clock entity */ 79219bce474SHui Peng err = __check_input_term(state, d->bCSourceID, term); 7939430e547SJulian Scheel if (err < 0) 7949430e547SJulian Scheel return err; 7959430e547SJulian Scheel 7969430e547SJulian Scheel /* save input term properties after recursion, 797e0ccdef9STakashi Iwai * to ensure they are not overriden by the recursion calls 798e0ccdef9STakashi Iwai */ 7999430e547SJulian Scheel term->id = id; 80023caaf19SDaniel Mack term->type = le16_to_cpu(d->wTerminalType); 80123caaf19SDaniel Mack term->channels = d->bNrChannels; 80223caaf19SDaniel Mack term->chconfig = le32_to_cpu(d->bmChannelConfig); 80323caaf19SDaniel Mack term->name = d->iTerminal; 8045dae5fd2SEldad Zack return 0; 8055dae5fd2SEldad Zack } 8065dae5fd2SEldad Zack 807e0ccdef9STakashi Iwai static int parse_term_uac3_iterm_unit(struct mixer_build *state, 808e0ccdef9STakashi Iwai struct usb_audio_term *term, 809e0ccdef9STakashi Iwai void *p1, int id) 810e0ccdef9STakashi Iwai { 8119a2fe9b8SRuslan Bilovol struct uac3_input_terminal_descriptor *d = p1; 812e0ccdef9STakashi Iwai int err; 8139a2fe9b8SRuslan Bilovol 814e0ccdef9STakashi Iwai /* call recursively to verify the referenced clock entity */ 81519bce474SHui Peng err = __check_input_term(state, d->bCSourceID, term); 8169a2fe9b8SRuslan Bilovol if (err < 0) 8179a2fe9b8SRuslan Bilovol return err; 8189a2fe9b8SRuslan Bilovol 8199a2fe9b8SRuslan Bilovol /* save input term properties after recursion, 820e0ccdef9STakashi Iwai * to ensure they are not overriden by the recursion calls 821e0ccdef9STakashi Iwai */ 8229a2fe9b8SRuslan Bilovol term->id = id; 8239a2fe9b8SRuslan Bilovol term->type = le16_to_cpu(d->wTerminalType); 8249a2fe9b8SRuslan Bilovol 82571066945SJorge Sanjuan err = get_cluster_channels_v3(state, le16_to_cpu(d->wClusterDescrID)); 82671066945SJorge Sanjuan if (err < 0) 82771066945SJorge Sanjuan return err; 82871066945SJorge Sanjuan term->channels = err; 82971066945SJorge Sanjuan 83071066945SJorge Sanjuan /* REVISIT: UAC3 IT doesn't have channels cfg */ 8319a2fe9b8SRuslan Bilovol term->chconfig = 0; 8329a2fe9b8SRuslan Bilovol 8339a2fe9b8SRuslan Bilovol term->name = le16_to_cpu(d->wTerminalDescrStr); 8349a2fe9b8SRuslan Bilovol return 0; 8359a2fe9b8SRuslan Bilovol } 8369a2fe9b8SRuslan Bilovol 837e0ccdef9STakashi Iwai static int parse_term_mixer_unit(struct mixer_build *state, 838e0ccdef9STakashi Iwai struct usb_audio_term *term, 839e0ccdef9STakashi Iwai void *p1, int id) 840e0ccdef9STakashi Iwai { 841e0ccdef9STakashi Iwai struct uac_mixer_unit_descriptor *d = p1; 842e0ccdef9STakashi Iwai int protocol = state->mixer->protocol; 843e0ccdef9STakashi Iwai int err; 844e0ccdef9STakashi Iwai 845e0ccdef9STakashi Iwai err = uac_mixer_unit_get_channels(state, d); 846e0ccdef9STakashi Iwai if (err <= 0) 847e0ccdef9STakashi Iwai return err; 848e0ccdef9STakashi Iwai 849e0ccdef9STakashi Iwai term->type = UAC3_MIXER_UNIT << 16; /* virtual type */ 850e0ccdef9STakashi Iwai term->channels = err; 851e0ccdef9STakashi Iwai if (protocol != UAC_VERSION_3) { 852e0ccdef9STakashi Iwai term->chconfig = uac_mixer_unit_wChannelConfig(d, protocol); 853e0ccdef9STakashi Iwai term->name = uac_mixer_unit_iMixer(d); 8549a2fe9b8SRuslan Bilovol } 855e0ccdef9STakashi Iwai return 0; 856e0ccdef9STakashi Iwai } 857e0ccdef9STakashi Iwai 858e0ccdef9STakashi Iwai static int parse_term_selector_unit(struct mixer_build *state, 859e0ccdef9STakashi Iwai struct usb_audio_term *term, 860e0ccdef9STakashi Iwai void *p1, int id) 861e0ccdef9STakashi Iwai { 862e0ccdef9STakashi Iwai struct uac_selector_unit_descriptor *d = p1; 863e0ccdef9STakashi Iwai int err; 864e0ccdef9STakashi Iwai 865e0ccdef9STakashi Iwai /* call recursively to retrieve the channel info */ 866e0ccdef9STakashi Iwai err = __check_input_term(state, d->baSourceID[0], term); 867e0ccdef9STakashi Iwai if (err < 0) 868e0ccdef9STakashi Iwai return err; 869e0ccdef9STakashi Iwai term->type = UAC3_SELECTOR_UNIT << 16; /* virtual type */ 870e0ccdef9STakashi Iwai term->id = id; 871e0ccdef9STakashi Iwai if (state->mixer->protocol != UAC_VERSION_3) 872e0ccdef9STakashi Iwai term->name = uac_selector_unit_iSelector(d); 873e0ccdef9STakashi Iwai return 0; 874e0ccdef9STakashi Iwai } 875e0ccdef9STakashi Iwai 876e0ccdef9STakashi Iwai static int parse_term_proc_unit(struct mixer_build *state, 877e0ccdef9STakashi Iwai struct usb_audio_term *term, 878e0ccdef9STakashi Iwai void *p1, int id, int vtype) 879e0ccdef9STakashi Iwai { 880e0ccdef9STakashi Iwai struct uac_processing_unit_descriptor *d = p1; 881e0ccdef9STakashi Iwai int protocol = state->mixer->protocol; 882e0ccdef9STakashi Iwai int err; 883e0ccdef9STakashi Iwai 884e0ccdef9STakashi Iwai if (d->bNrInPins) { 885e0ccdef9STakashi Iwai /* call recursively to retrieve the channel info */ 886e0ccdef9STakashi Iwai err = __check_input_term(state, d->baSourceID[0], term); 887e0ccdef9STakashi Iwai if (err < 0) 888e0ccdef9STakashi Iwai return err; 889e0ccdef9STakashi Iwai } 890e0ccdef9STakashi Iwai 891e0ccdef9STakashi Iwai term->type = vtype << 16; /* virtual type */ 892e0ccdef9STakashi Iwai term->id = id; 893e0ccdef9STakashi Iwai 894e0ccdef9STakashi Iwai if (protocol == UAC_VERSION_3) 895e0ccdef9STakashi Iwai return 0; 896e0ccdef9STakashi Iwai 897e0ccdef9STakashi Iwai if (!term->channels) { 898e0ccdef9STakashi Iwai term->channels = uac_processing_unit_bNrChannels(d); 899e0ccdef9STakashi Iwai term->chconfig = uac_processing_unit_wChannelConfig(d, protocol); 900e0ccdef9STakashi Iwai } 901e0ccdef9STakashi Iwai term->name = uac_processing_unit_iProcessing(d, protocol); 902e0ccdef9STakashi Iwai return 0; 903e0ccdef9STakashi Iwai } 904e0ccdef9STakashi Iwai 905d75a170fSTakashi Iwai static int parse_term_effect_unit(struct mixer_build *state, 906d75a170fSTakashi Iwai struct usb_audio_term *term, 907d75a170fSTakashi Iwai void *p1, int id) 908d75a170fSTakashi Iwai { 90960081b35STakashi Iwai struct uac2_effect_unit_descriptor *d = p1; 91060081b35STakashi Iwai int err; 91160081b35STakashi Iwai 91260081b35STakashi Iwai err = __check_input_term(state, d->bSourceID, term); 91360081b35STakashi Iwai if (err < 0) 91460081b35STakashi Iwai return err; 915d75a170fSTakashi Iwai term->type = UAC3_EFFECT_UNIT << 16; /* virtual type */ 916d75a170fSTakashi Iwai term->id = id; 917d75a170fSTakashi Iwai return 0; 918d75a170fSTakashi Iwai } 919d75a170fSTakashi Iwai 920e0ccdef9STakashi Iwai static int parse_term_uac2_clock_source(struct mixer_build *state, 921e0ccdef9STakashi Iwai struct usb_audio_term *term, 922e0ccdef9STakashi Iwai void *p1, int id) 923e0ccdef9STakashi Iwai { 924e0ccdef9STakashi Iwai struct uac_clock_source_descriptor *d = p1; 925e0ccdef9STakashi Iwai 926e0ccdef9STakashi Iwai term->type = UAC3_CLOCK_SOURCE << 16; /* virtual type */ 927e0ccdef9STakashi Iwai term->id = id; 928e0ccdef9STakashi Iwai term->name = d->iClockSource; 929e0ccdef9STakashi Iwai return 0; 930e0ccdef9STakashi Iwai } 931e0ccdef9STakashi Iwai 932e0ccdef9STakashi Iwai static int parse_term_uac3_clock_source(struct mixer_build *state, 933e0ccdef9STakashi Iwai struct usb_audio_term *term, 934e0ccdef9STakashi Iwai void *p1, int id) 935e0ccdef9STakashi Iwai { 9369a2fe9b8SRuslan Bilovol struct uac3_clock_source_descriptor *d = p1; 9379a2fe9b8SRuslan Bilovol 9388b3a087fSJorge Sanjuan term->type = UAC3_CLOCK_SOURCE << 16; /* virtual type */ 9399a2fe9b8SRuslan Bilovol term->id = id; 9409a2fe9b8SRuslan Bilovol term->name = le16_to_cpu(d->wClockSourceStr); 9419a2fe9b8SRuslan Bilovol return 0; 9429a2fe9b8SRuslan Bilovol } 9436cfd839aSJorge Sanjuan 944e0ccdef9STakashi Iwai #define PTYPE(a, b) ((a) << 8 | (b)) 9456cfd839aSJorge Sanjuan 946e0ccdef9STakashi Iwai /* 947e0ccdef9STakashi Iwai * parse the source unit recursively until it reaches to a terminal 948e0ccdef9STakashi Iwai * or a branched unit. 949e0ccdef9STakashi Iwai */ 950e0ccdef9STakashi Iwai static int __check_input_term(struct mixer_build *state, int id, 951e0ccdef9STakashi Iwai struct usb_audio_term *term) 952e0ccdef9STakashi Iwai { 953e0ccdef9STakashi Iwai int protocol = state->mixer->protocol; 954e0ccdef9STakashi Iwai void *p1; 955e0ccdef9STakashi Iwai unsigned char *hdr; 9566cfd839aSJorge Sanjuan 957e0ccdef9STakashi Iwai for (;;) { 958e0ccdef9STakashi Iwai /* a loop in the terminal chain? */ 959e0ccdef9STakashi Iwai if (test_and_set_bit(id, state->termbitmap)) 9600f292f02SJorge Sanjuan return -EINVAL; 9610f292f02SJorge Sanjuan 962e0ccdef9STakashi Iwai p1 = find_audio_control_unit(state, id); 963e0ccdef9STakashi Iwai if (!p1) 964e0ccdef9STakashi Iwai break; 965e0ccdef9STakashi Iwai if (!snd_usb_validate_audio_desc(p1, protocol)) 966e0ccdef9STakashi Iwai break; /* bad descriptor */ 9670f292f02SJorge Sanjuan 968e0ccdef9STakashi Iwai hdr = p1; 9690f292f02SJorge Sanjuan term->id = id; 9700f292f02SJorge Sanjuan 971e0ccdef9STakashi Iwai switch (PTYPE(protocol, hdr[2])) { 972e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_1, UAC_FEATURE_UNIT): 973e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_2, UAC_FEATURE_UNIT): 974e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_3, UAC3_FEATURE_UNIT): { 975e0ccdef9STakashi Iwai /* the header is the same for all versions */ 976e0ccdef9STakashi Iwai struct uac_feature_unit_descriptor *d = p1; 977e0ccdef9STakashi Iwai 978e0ccdef9STakashi Iwai id = d->bSourceID; 979e0ccdef9STakashi Iwai break; /* continue to parse */ 9800f292f02SJorge Sanjuan } 981e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_1, UAC_INPUT_TERMINAL): 982e0ccdef9STakashi Iwai return parse_term_uac1_iterm_unit(state, term, p1, id); 983e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_2, UAC_INPUT_TERMINAL): 984e0ccdef9STakashi Iwai return parse_term_uac2_iterm_unit(state, term, p1, id); 985e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_3, UAC_INPUT_TERMINAL): 986e0ccdef9STakashi Iwai return parse_term_uac3_iterm_unit(state, term, p1, id); 987e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_1, UAC_MIXER_UNIT): 988e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_2, UAC_MIXER_UNIT): 989e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_3, UAC3_MIXER_UNIT): 990e0ccdef9STakashi Iwai return parse_term_mixer_unit(state, term, p1, id); 991e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_1, UAC_SELECTOR_UNIT): 992e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_2, UAC_SELECTOR_UNIT): 993e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_2, UAC2_CLOCK_SELECTOR): 994e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_3, UAC3_SELECTOR_UNIT): 995e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_3, UAC3_CLOCK_SELECTOR): 996e0ccdef9STakashi Iwai return parse_term_selector_unit(state, term, p1, id); 997e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_1, UAC1_PROCESSING_UNIT): 998e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_2, UAC2_PROCESSING_UNIT_V2): 999e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_3, UAC3_PROCESSING_UNIT): 1000e0ccdef9STakashi Iwai return parse_term_proc_unit(state, term, p1, id, 1001e0ccdef9STakashi Iwai UAC3_PROCESSING_UNIT); 1002e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_2, UAC2_EFFECT_UNIT): 1003e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_3, UAC3_EFFECT_UNIT): 1004d75a170fSTakashi Iwai return parse_term_effect_unit(state, term, p1, id); 1005e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_1, UAC1_EXTENSION_UNIT): 1006e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_2, UAC2_EXTENSION_UNIT_V2): 1007e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_3, UAC3_EXTENSION_UNIT): 1008e0ccdef9STakashi Iwai return parse_term_proc_unit(state, term, p1, id, 1009e0ccdef9STakashi Iwai UAC3_EXTENSION_UNIT); 1010e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_2, UAC2_CLOCK_SOURCE): 1011e0ccdef9STakashi Iwai return parse_term_uac2_clock_source(state, term, p1, id); 1012e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_3, UAC3_CLOCK_SOURCE): 1013e0ccdef9STakashi Iwai return parse_term_uac3_clock_source(state, term, p1, id); 10149a2fe9b8SRuslan Bilovol default: 10159a2fe9b8SRuslan Bilovol return -ENODEV; 10169a2fe9b8SRuslan Bilovol } 10179a2fe9b8SRuslan Bilovol } 1018f0b5e634SDaniel Mack return -ENODEV; 1019f0b5e634SDaniel Mack } 1020f0b5e634SDaniel Mack 102119bce474SHui Peng 102219bce474SHui Peng static int check_input_term(struct mixer_build *state, int id, 102319bce474SHui Peng struct usb_audio_term *term) 102419bce474SHui Peng { 102519bce474SHui Peng memset(term, 0, sizeof(*term)); 102619bce474SHui Peng memset(state->termbitmap, 0, sizeof(state->termbitmap)); 102719bce474SHui Peng return __check_input_term(state, id, term); 102819bce474SHui Peng } 102919bce474SHui Peng 1030f0b5e634SDaniel Mack /* 1031f0b5e634SDaniel Mack * Feature Unit 1032f0b5e634SDaniel Mack */ 1033f0b5e634SDaniel Mack 1034f0b5e634SDaniel Mack /* feature unit control information */ 1035f0b5e634SDaniel Mack struct usb_feature_control_info { 103621e9b3e9SAndrew Chant int control; 1037f0b5e634SDaniel Mack const char *name; 1038bc18e31cSJulian Scheel int type; /* data type for uac1 */ 1039bc18e31cSJulian Scheel int type_uac2; /* data type for uac2 if different from uac1, else -1 */ 1040f0b5e634SDaniel Mack }; 1041f0b5e634SDaniel Mack 1042a01df925STakashi Iwai static const struct usb_feature_control_info audio_feature_info[] = { 104321e9b3e9SAndrew Chant { UAC_FU_MUTE, "Mute", USB_MIXER_INV_BOOLEAN, -1 }, 104421e9b3e9SAndrew Chant { UAC_FU_VOLUME, "Volume", USB_MIXER_S16, -1 }, 104521e9b3e9SAndrew Chant { UAC_FU_BASS, "Tone Control - Bass", USB_MIXER_S8, -1 }, 104621e9b3e9SAndrew Chant { UAC_FU_MID, "Tone Control - Mid", USB_MIXER_S8, -1 }, 104721e9b3e9SAndrew Chant { UAC_FU_TREBLE, "Tone Control - Treble", USB_MIXER_S8, -1 }, 104821e9b3e9SAndrew Chant { UAC_FU_GRAPHIC_EQUALIZER, "Graphic Equalizer", USB_MIXER_S8, -1 }, /* FIXME: not implemented yet */ 104921e9b3e9SAndrew Chant { UAC_FU_AUTOMATIC_GAIN, "Auto Gain Control", USB_MIXER_BOOLEAN, -1 }, 105021e9b3e9SAndrew Chant { UAC_FU_DELAY, "Delay Control", USB_MIXER_U16, USB_MIXER_U32 }, 105121e9b3e9SAndrew Chant { UAC_FU_BASS_BOOST, "Bass Boost", USB_MIXER_BOOLEAN, -1 }, 105221e9b3e9SAndrew Chant { UAC_FU_LOUDNESS, "Loudness", USB_MIXER_BOOLEAN, -1 }, 10532e0281d1SDaniel Mack /* UAC2 specific */ 105421e9b3e9SAndrew Chant { UAC2_FU_INPUT_GAIN, "Input Gain Control", USB_MIXER_S16, -1 }, 105521e9b3e9SAndrew Chant { UAC2_FU_INPUT_GAIN_PAD, "Input Gain Pad Control", USB_MIXER_S16, -1 }, 105621e9b3e9SAndrew Chant { UAC2_FU_PHASE_INVERTER, "Phase Inverter Control", USB_MIXER_BOOLEAN, -1 }, 1057f0b5e634SDaniel Mack }; 1058f0b5e634SDaniel Mack 105952c3e317STakashi Iwai static void usb_mixer_elem_info_free(struct usb_mixer_elem_info *cval) 106052c3e317STakashi Iwai { 106152c3e317STakashi Iwai kfree(cval); 106252c3e317STakashi Iwai } 106352c3e317STakashi Iwai 1064f0b5e634SDaniel Mack /* private_free callback */ 1065eef90451SChris J Arges void snd_usb_mixer_elem_free(struct snd_kcontrol *kctl) 1066f0b5e634SDaniel Mack { 106752c3e317STakashi Iwai usb_mixer_elem_info_free(kctl->private_data); 1068f0b5e634SDaniel Mack kctl->private_data = NULL; 1069f0b5e634SDaniel Mack } 1070f0b5e634SDaniel Mack 1071f0b5e634SDaniel Mack /* 1072f0b5e634SDaniel Mack * interface to ALSA control for feature/mixer units 1073f0b5e634SDaniel Mack */ 1074f0b5e634SDaniel Mack 1075dcaaf9f2STakashi Iwai /* volume control quirks */ 1076dcaaf9f2STakashi Iwai static void volume_control_quirks(struct usb_mixer_elem_info *cval, 1077dcaaf9f2STakashi Iwai struct snd_kcontrol *kctl) 1078dcaaf9f2STakashi Iwai { 10793360b84bSTakashi Iwai struct snd_usb_audio *chip = cval->head.mixer->chip; 10800ba41d91STakashi Iwai switch (chip->usb_id) { 1081d50ed624SEldad Zack case USB_ID(0x0763, 0x2030): /* M-Audio Fast Track C400 */ 1082e9a25e04SMatt Gruskin case USB_ID(0x0763, 0x2031): /* M-Audio Fast Track C600 */ 1083d50ed624SEldad Zack if (strcmp(kctl->id.name, "Effect Duration") == 0) { 1084d50ed624SEldad Zack cval->min = 0x0000; 1085d50ed624SEldad Zack cval->max = 0xffff; 1086d50ed624SEldad Zack cval->res = 0x00e6; 1087d50ed624SEldad Zack break; 1088d50ed624SEldad Zack } 1089d50ed624SEldad Zack if (strcmp(kctl->id.name, "Effect Volume") == 0 || 1090d50ed624SEldad Zack strcmp(kctl->id.name, "Effect Feedback Volume") == 0) { 1091d50ed624SEldad Zack cval->min = 0x00; 1092d50ed624SEldad Zack cval->max = 0xff; 1093d50ed624SEldad Zack break; 1094d50ed624SEldad Zack } 1095d50ed624SEldad Zack if (strstr(kctl->id.name, "Effect Return") != NULL) { 1096d50ed624SEldad Zack cval->min = 0xb706; 1097d50ed624SEldad Zack cval->max = 0xff7b; 1098d50ed624SEldad Zack cval->res = 0x0073; 1099d50ed624SEldad Zack break; 1100d50ed624SEldad Zack } 1101d50ed624SEldad Zack if ((strstr(kctl->id.name, "Playback Volume") != NULL) || 1102d50ed624SEldad Zack (strstr(kctl->id.name, "Effect Send") != NULL)) { 1103d50ed624SEldad Zack cval->min = 0xb5fb; /* -73 dB = 0xb6ff */ 1104d50ed624SEldad Zack cval->max = 0xfcfe; 1105d50ed624SEldad Zack cval->res = 0x0073; 1106d50ed624SEldad Zack } 1107d50ed624SEldad Zack break; 1108d50ed624SEldad Zack 1109d34bf148SFelix Homann case USB_ID(0x0763, 0x2081): /* M-Audio Fast Track Ultra 8R */ 1110d34bf148SFelix Homann case USB_ID(0x0763, 0x2080): /* M-Audio Fast Track Ultra */ 1111d34bf148SFelix Homann if (strcmp(kctl->id.name, "Effect Duration") == 0) { 11120ba41d91STakashi Iwai usb_audio_info(chip, 11130ba41d91STakashi Iwai "set quirk for FTU Effect Duration\n"); 1114d34bf148SFelix Homann cval->min = 0x0000; 1115d34bf148SFelix Homann cval->max = 0x7f00; 1116d34bf148SFelix Homann cval->res = 0x0100; 1117d34bf148SFelix Homann break; 1118d34bf148SFelix Homann } 1119d34bf148SFelix Homann if (strcmp(kctl->id.name, "Effect Volume") == 0 || 1120d34bf148SFelix Homann strcmp(kctl->id.name, "Effect Feedback Volume") == 0) { 11210ba41d91STakashi Iwai usb_audio_info(chip, 11220ba41d91STakashi Iwai "set quirks for FTU Effect Feedback/Volume\n"); 1123d34bf148SFelix Homann cval->min = 0x00; 1124d34bf148SFelix Homann cval->max = 0x7f; 1125d34bf148SFelix Homann break; 1126d34bf148SFelix Homann } 1127d34bf148SFelix Homann break; 1128d34bf148SFelix Homann 112921493316SFederico Cuello case USB_ID(0x0d8c, 0x0103): 113021493316SFederico Cuello if (!strcmp(kctl->id.name, "PCM Playback Volume")) { 113121493316SFederico Cuello usb_audio_info(chip, 113221493316SFederico Cuello "set volume quirk for CM102-A+/102S+\n"); 113321493316SFederico Cuello cval->min = -256; 113421493316SFederico Cuello } 113521493316SFederico Cuello break; 113621493316SFederico Cuello 1137dcaaf9f2STakashi Iwai case USB_ID(0x0471, 0x0101): 1138dcaaf9f2STakashi Iwai case USB_ID(0x0471, 0x0104): 1139dcaaf9f2STakashi Iwai case USB_ID(0x0471, 0x0105): 1140dcaaf9f2STakashi Iwai case USB_ID(0x0672, 0x1041): 1141dcaaf9f2STakashi Iwai /* quirk for UDA1321/N101. 1142dcaaf9f2STakashi Iwai * note that detection between firmware 2.1.1.7 (N101) 1143dcaaf9f2STakashi Iwai * and later 2.1.1.21 is not very clear from datasheets. 1144dcaaf9f2STakashi Iwai * I hope that the min value is -15360 for newer firmware --jk 1145dcaaf9f2STakashi Iwai */ 1146dcaaf9f2STakashi Iwai if (!strcmp(kctl->id.name, "PCM Playback Volume") && 1147dcaaf9f2STakashi Iwai cval->min == -15616) { 11480ba41d91STakashi Iwai usb_audio_info(chip, 1149dcaaf9f2STakashi Iwai "set volume quirk for UDA1321/N101 chip\n"); 1150dcaaf9f2STakashi Iwai cval->max = -256; 1151dcaaf9f2STakashi Iwai } 1152dcaaf9f2STakashi Iwai break; 1153dcaaf9f2STakashi Iwai 1154dcaaf9f2STakashi Iwai case USB_ID(0x046d, 0x09a4): 1155dcaaf9f2STakashi Iwai if (!strcmp(kctl->id.name, "Mic Capture Volume")) { 11560ba41d91STakashi Iwai usb_audio_info(chip, 1157dcaaf9f2STakashi Iwai "set volume quirk for QuickCam E3500\n"); 1158dcaaf9f2STakashi Iwai cval->min = 6080; 1159dcaaf9f2STakashi Iwai cval->max = 8768; 1160dcaaf9f2STakashi Iwai cval->res = 192; 1161dcaaf9f2STakashi Iwai } 1162dcaaf9f2STakashi Iwai break; 1163dcaaf9f2STakashi Iwai 1164e805ca8bSTakashi Iwai case USB_ID(0x046d, 0x0807): /* Logitech Webcam C500 */ 1165dcaaf9f2STakashi Iwai case USB_ID(0x046d, 0x0808): 1166dcaaf9f2STakashi Iwai case USB_ID(0x046d, 0x0809): 116764559311SJason Lee Cragg case USB_ID(0x046d, 0x0819): /* Logitech Webcam C210 */ 116836691e1bSTakashi Iwai case USB_ID(0x046d, 0x081b): /* HD Webcam c310 */ 116955c0008bSAlexey Fisher case USB_ID(0x046d, 0x081d): /* HD Webcam c510 */ 117011e7064fSTakashi Iwai case USB_ID(0x046d, 0x0825): /* HD Webcam c270 */ 1171140d37deSMaksim A. Boyko case USB_ID(0x046d, 0x0826): /* HD Webcam c525 */ 11721ef9f058SWolfram Sang case USB_ID(0x046d, 0x08ca): /* Logitech Quickcam Fusion */ 1173dcaaf9f2STakashi Iwai case USB_ID(0x046d, 0x0991): 117482ffb6fcSCon Kolivas case USB_ID(0x046d, 0x09a2): /* QuickCam Communicate Deluxe/S7500 */ 1175dcaaf9f2STakashi Iwai /* Most audio usb devices lie about volume resolution. 1176dcaaf9f2STakashi Iwai * Most Logitech webcams have res = 384. 117782ffb6fcSCon Kolivas * Probably there is some logitech magic behind this number --fishor 1178dcaaf9f2STakashi Iwai */ 1179dcaaf9f2STakashi Iwai if (!strcmp(kctl->id.name, "Mic Capture Volume")) { 11800ba41d91STakashi Iwai usb_audio_info(chip, 1181dcaaf9f2STakashi Iwai "set resolution quirk: cval->res = 384\n"); 1182dcaaf9f2STakashi Iwai cval->res = 384; 1183dcaaf9f2STakashi Iwai } 1184dcaaf9f2STakashi Iwai break; 1185dcaaf9f2STakashi Iwai } 1186dcaaf9f2STakashi Iwai } 1187dcaaf9f2STakashi Iwai 1188f0b5e634SDaniel Mack /* 1189f0b5e634SDaniel Mack * retrieve the minimum and maximum values for the specified control 1190f0b5e634SDaniel Mack */ 1191dcaaf9f2STakashi Iwai static int get_min_max_with_quirks(struct usb_mixer_elem_info *cval, 1192dcaaf9f2STakashi Iwai int default_min, struct snd_kcontrol *kctl) 1193f0b5e634SDaniel Mack { 1194f0b5e634SDaniel Mack /* for failsafe */ 1195f0b5e634SDaniel Mack cval->min = default_min; 1196f0b5e634SDaniel Mack cval->max = cval->min + 1; 1197f0b5e634SDaniel Mack cval->res = 1; 1198f0b5e634SDaniel Mack cval->dBmin = cval->dBmax = 0; 1199f0b5e634SDaniel Mack 1200f0b5e634SDaniel Mack if (cval->val_type == USB_MIXER_BOOLEAN || 1201f0b5e634SDaniel Mack cval->val_type == USB_MIXER_INV_BOOLEAN) { 1202f0b5e634SDaniel Mack cval->initialized = 1; 1203f0b5e634SDaniel Mack } else { 1204f0b5e634SDaniel Mack int minchn = 0; 1205f0b5e634SDaniel Mack if (cval->cmask) { 1206f0b5e634SDaniel Mack int i; 1207f0b5e634SDaniel Mack for (i = 0; i < MAX_CHANNELS; i++) 1208f0b5e634SDaniel Mack if (cval->cmask & (1 << i)) { 1209f0b5e634SDaniel Mack minchn = i + 1; 1210f0b5e634SDaniel Mack break; 1211f0b5e634SDaniel Mack } 1212f0b5e634SDaniel Mack } 1213f0b5e634SDaniel Mack if (get_ctl_value(cval, UAC_GET_MAX, (cval->control << 8) | minchn, &cval->max) < 0 || 1214f0b5e634SDaniel Mack get_ctl_value(cval, UAC_GET_MIN, (cval->control << 8) | minchn, &cval->min) < 0) { 12153360b84bSTakashi Iwai usb_audio_err(cval->head.mixer->chip, 12160ba41d91STakashi Iwai "%d:%d: cannot get min/max values for control %d (id %d)\n", 12170aef31b7SChris Wulff cval->head.id, mixer_ctrl_intf(cval->head.mixer), 12183360b84bSTakashi Iwai cval->control, cval->head.id); 1219f0b5e634SDaniel Mack return -EINVAL; 1220f0b5e634SDaniel Mack } 12216bc170e4SDaniel Mack if (get_ctl_value(cval, UAC_GET_RES, 12226bc170e4SDaniel Mack (cval->control << 8) | minchn, 12236bc170e4SDaniel Mack &cval->res) < 0) { 1224f0b5e634SDaniel Mack cval->res = 1; 1225f0b5e634SDaniel Mack } else { 1226f0b5e634SDaniel Mack int last_valid_res = cval->res; 1227f0b5e634SDaniel Mack 1228f0b5e634SDaniel Mack while (cval->res > 1) { 1229f0b5e634SDaniel Mack if (snd_usb_mixer_set_ctl_value(cval, UAC_SET_RES, 12306bc170e4SDaniel Mack (cval->control << 8) | minchn, 12316bc170e4SDaniel Mack cval->res / 2) < 0) 1232f0b5e634SDaniel Mack break; 1233f0b5e634SDaniel Mack cval->res /= 2; 1234f0b5e634SDaniel Mack } 12356bc170e4SDaniel Mack if (get_ctl_value(cval, UAC_GET_RES, 12366bc170e4SDaniel Mack (cval->control << 8) | minchn, &cval->res) < 0) 1237f0b5e634SDaniel Mack cval->res = last_valid_res; 1238f0b5e634SDaniel Mack } 1239f0b5e634SDaniel Mack if (cval->res == 0) 1240f0b5e634SDaniel Mack cval->res = 1; 1241f0b5e634SDaniel Mack 1242f0b5e634SDaniel Mack /* Additional checks for the proper resolution 1243f0b5e634SDaniel Mack * 1244f0b5e634SDaniel Mack * Some devices report smaller resolutions than actually 1245f0b5e634SDaniel Mack * reacting. They don't return errors but simply clip 1246f0b5e634SDaniel Mack * to the lower aligned value. 1247f0b5e634SDaniel Mack */ 1248f0b5e634SDaniel Mack if (cval->min + cval->res < cval->max) { 1249f0b5e634SDaniel Mack int last_valid_res = cval->res; 1250f0b5e634SDaniel Mack int saved, test, check; 1251167beb17STakashi Iwai if (get_cur_mix_raw(cval, minchn, &saved) < 0) 1252167beb17STakashi Iwai goto no_res_check; 1253f0b5e634SDaniel Mack for (;;) { 1254f0b5e634SDaniel Mack test = saved; 1255f0b5e634SDaniel Mack if (test < cval->max) 1256f0b5e634SDaniel Mack test += cval->res; 1257f0b5e634SDaniel Mack else 1258f0b5e634SDaniel Mack test -= cval->res; 1259f0b5e634SDaniel Mack if (test < cval->min || test > cval->max || 1260eef90451SChris J Arges snd_usb_set_cur_mix_value(cval, minchn, 0, test) || 1261f0b5e634SDaniel Mack get_cur_mix_raw(cval, minchn, &check)) { 1262f0b5e634SDaniel Mack cval->res = last_valid_res; 1263f0b5e634SDaniel Mack break; 1264f0b5e634SDaniel Mack } 1265f0b5e634SDaniel Mack if (test == check) 1266f0b5e634SDaniel Mack break; 1267f0b5e634SDaniel Mack cval->res *= 2; 1268f0b5e634SDaniel Mack } 1269eef90451SChris J Arges snd_usb_set_cur_mix_value(cval, minchn, 0, saved); 1270f0b5e634SDaniel Mack } 1271f0b5e634SDaniel Mack 1272167beb17STakashi Iwai no_res_check: 1273f0b5e634SDaniel Mack cval->initialized = 1; 1274f0b5e634SDaniel Mack } 1275f0b5e634SDaniel Mack 1276dcaaf9f2STakashi Iwai if (kctl) 1277dcaaf9f2STakashi Iwai volume_control_quirks(cval, kctl); 1278dcaaf9f2STakashi Iwai 1279f0b5e634SDaniel Mack /* USB descriptions contain the dB scale in 1/256 dB unit 1280f0b5e634SDaniel Mack * while ALSA TLV contains in 1/100 dB unit 1281f0b5e634SDaniel Mack */ 1282f0b5e634SDaniel Mack cval->dBmin = (convert_signed_value(cval, cval->min) * 100) / 256; 1283f0b5e634SDaniel Mack cval->dBmax = (convert_signed_value(cval, cval->max) * 100) / 256; 1284f0b5e634SDaniel Mack if (cval->dBmin > cval->dBmax) { 1285f0b5e634SDaniel Mack /* something is wrong; assume it's either from/to 0dB */ 1286f0b5e634SDaniel Mack if (cval->dBmin < 0) 1287f0b5e634SDaniel Mack cval->dBmax = 0; 1288f0b5e634SDaniel Mack else if (cval->dBmin > 0) 1289f0b5e634SDaniel Mack cval->dBmin = 0; 1290f0b5e634SDaniel Mack if (cval->dBmin > cval->dBmax) { 1291f0b5e634SDaniel Mack /* totally crap, return an error */ 1292f0b5e634SDaniel Mack return -EINVAL; 1293f0b5e634SDaniel Mack } 1294f0b5e634SDaniel Mack } 1295f0b5e634SDaniel Mack 1296f0b5e634SDaniel Mack return 0; 1297f0b5e634SDaniel Mack } 1298f0b5e634SDaniel Mack 1299dcaaf9f2STakashi Iwai #define get_min_max(cval, def) get_min_max_with_quirks(cval, def, NULL) 1300f0b5e634SDaniel Mack 1301f0b5e634SDaniel Mack /* get a feature/mixer unit info */ 13026bc170e4SDaniel Mack static int mixer_ctl_feature_info(struct snd_kcontrol *kcontrol, 13036bc170e4SDaniel Mack struct snd_ctl_elem_info *uinfo) 1304f0b5e634SDaniel Mack { 1305f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval = kcontrol->private_data; 1306f0b5e634SDaniel Mack 1307f0b5e634SDaniel Mack if (cval->val_type == USB_MIXER_BOOLEAN || 1308f0b5e634SDaniel Mack cval->val_type == USB_MIXER_INV_BOOLEAN) 1309f0b5e634SDaniel Mack uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 1310f0b5e634SDaniel Mack else 1311f0b5e634SDaniel Mack uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 1312f0b5e634SDaniel Mack uinfo->count = cval->channels; 1313f0b5e634SDaniel Mack if (cval->val_type == USB_MIXER_BOOLEAN || 1314f0b5e634SDaniel Mack cval->val_type == USB_MIXER_INV_BOOLEAN) { 1315f0b5e634SDaniel Mack uinfo->value.integer.min = 0; 1316f0b5e634SDaniel Mack uinfo->value.integer.max = 1; 1317f0b5e634SDaniel Mack } else { 13189fcd0ab1STakashi Iwai if (!cval->initialized) { 1319dcaaf9f2STakashi Iwai get_min_max_with_quirks(cval, 0, kcontrol); 13209fcd0ab1STakashi Iwai if (cval->initialized && cval->dBmin >= cval->dBmax) { 13219fcd0ab1STakashi Iwai kcontrol->vd[0].access &= 13229fcd0ab1STakashi Iwai ~(SNDRV_CTL_ELEM_ACCESS_TLV_READ | 13239fcd0ab1STakashi Iwai SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK); 13243360b84bSTakashi Iwai snd_ctl_notify(cval->head.mixer->chip->card, 13259fcd0ab1STakashi Iwai SNDRV_CTL_EVENT_MASK_INFO, 13269fcd0ab1STakashi Iwai &kcontrol->id); 13279fcd0ab1STakashi Iwai } 13289fcd0ab1STakashi Iwai } 1329f0b5e634SDaniel Mack uinfo->value.integer.min = 0; 1330f0b5e634SDaniel Mack uinfo->value.integer.max = 1331f0b5e634SDaniel Mack (cval->max - cval->min + cval->res - 1) / cval->res; 1332f0b5e634SDaniel Mack } 1333f0b5e634SDaniel Mack return 0; 1334f0b5e634SDaniel Mack } 1335f0b5e634SDaniel Mack 1336f0b5e634SDaniel Mack /* get the current value from feature/mixer unit */ 13376bc170e4SDaniel Mack static int mixer_ctl_feature_get(struct snd_kcontrol *kcontrol, 13386bc170e4SDaniel Mack struct snd_ctl_elem_value *ucontrol) 1339f0b5e634SDaniel Mack { 1340f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval = kcontrol->private_data; 1341f0b5e634SDaniel Mack int c, cnt, val, err; 1342f0b5e634SDaniel Mack 1343f0b5e634SDaniel Mack ucontrol->value.integer.value[0] = cval->min; 1344f0b5e634SDaniel Mack if (cval->cmask) { 1345f0b5e634SDaniel Mack cnt = 0; 1346f0b5e634SDaniel Mack for (c = 0; c < MAX_CHANNELS; c++) { 1347f0b5e634SDaniel Mack if (!(cval->cmask & (1 << c))) 1348f0b5e634SDaniel Mack continue; 1349eef90451SChris J Arges err = snd_usb_get_cur_mix_value(cval, c + 1, cnt, &val); 1350f0b5e634SDaniel Mack if (err < 0) 13515aeee342STakashi Iwai return filter_error(cval, err); 1352f0b5e634SDaniel Mack val = get_relative_value(cval, val); 1353f0b5e634SDaniel Mack ucontrol->value.integer.value[cnt] = val; 1354f0b5e634SDaniel Mack cnt++; 1355f0b5e634SDaniel Mack } 1356f0b5e634SDaniel Mack return 0; 1357f0b5e634SDaniel Mack } else { 1358f0b5e634SDaniel Mack /* master channel */ 1359eef90451SChris J Arges err = snd_usb_get_cur_mix_value(cval, 0, 0, &val); 1360f0b5e634SDaniel Mack if (err < 0) 13615aeee342STakashi Iwai return filter_error(cval, err); 1362f0b5e634SDaniel Mack val = get_relative_value(cval, val); 1363f0b5e634SDaniel Mack ucontrol->value.integer.value[0] = val; 1364f0b5e634SDaniel Mack } 1365f0b5e634SDaniel Mack return 0; 1366f0b5e634SDaniel Mack } 1367f0b5e634SDaniel Mack 1368f0b5e634SDaniel Mack /* put the current value to feature/mixer unit */ 13696bc170e4SDaniel Mack static int mixer_ctl_feature_put(struct snd_kcontrol *kcontrol, 13706bc170e4SDaniel Mack struct snd_ctl_elem_value *ucontrol) 1371f0b5e634SDaniel Mack { 1372f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval = kcontrol->private_data; 1373f0b5e634SDaniel Mack int c, cnt, val, oval, err; 1374f0b5e634SDaniel Mack int changed = 0; 1375f0b5e634SDaniel Mack 1376f0b5e634SDaniel Mack if (cval->cmask) { 1377f0b5e634SDaniel Mack cnt = 0; 1378f0b5e634SDaniel Mack for (c = 0; c < MAX_CHANNELS; c++) { 1379f0b5e634SDaniel Mack if (!(cval->cmask & (1 << c))) 1380f0b5e634SDaniel Mack continue; 1381eef90451SChris J Arges err = snd_usb_get_cur_mix_value(cval, c + 1, cnt, &oval); 1382f0b5e634SDaniel Mack if (err < 0) 13835aeee342STakashi Iwai return filter_error(cval, err); 1384f0b5e634SDaniel Mack val = ucontrol->value.integer.value[cnt]; 1385f0b5e634SDaniel Mack val = get_abs_value(cval, val); 1386f0b5e634SDaniel Mack if (oval != val) { 1387eef90451SChris J Arges snd_usb_set_cur_mix_value(cval, c + 1, cnt, val); 1388f0b5e634SDaniel Mack changed = 1; 1389f0b5e634SDaniel Mack } 1390f0b5e634SDaniel Mack cnt++; 1391f0b5e634SDaniel Mack } 1392f0b5e634SDaniel Mack } else { 1393f0b5e634SDaniel Mack /* master channel */ 1394eef90451SChris J Arges err = snd_usb_get_cur_mix_value(cval, 0, 0, &oval); 1395f0b5e634SDaniel Mack if (err < 0) 13965aeee342STakashi Iwai return filter_error(cval, err); 1397f0b5e634SDaniel Mack val = ucontrol->value.integer.value[0]; 1398f0b5e634SDaniel Mack val = get_abs_value(cval, val); 1399f0b5e634SDaniel Mack if (val != oval) { 1400eef90451SChris J Arges snd_usb_set_cur_mix_value(cval, 0, 0, val); 1401f0b5e634SDaniel Mack changed = 1; 1402f0b5e634SDaniel Mack } 1403f0b5e634SDaniel Mack } 1404f0b5e634SDaniel Mack return changed; 1405f0b5e634SDaniel Mack } 1406f0b5e634SDaniel Mack 1407568fa7e0SAndrew Chant /* get the boolean value from the master channel of a UAC control */ 1408568fa7e0SAndrew Chant static int mixer_ctl_master_bool_get(struct snd_kcontrol *kcontrol, 14095a222e84SAndrew Chant struct snd_ctl_elem_value *ucontrol) 14105a222e84SAndrew Chant { 14115a222e84SAndrew Chant struct usb_mixer_elem_info *cval = kcontrol->private_data; 14125a222e84SAndrew Chant int val, err; 14135a222e84SAndrew Chant 14145a222e84SAndrew Chant err = snd_usb_get_cur_mix_value(cval, 0, 0, &val); 14155a222e84SAndrew Chant if (err < 0) 14165a222e84SAndrew Chant return filter_error(cval, err); 14175a222e84SAndrew Chant val = (val != 0); 14185a222e84SAndrew Chant ucontrol->value.integer.value[0] = val; 14195a222e84SAndrew Chant return 0; 14205a222e84SAndrew Chant } 14215a222e84SAndrew Chant 14221d38f5d8SJorge Sanjuan /* get the connectors status and report it as boolean type */ 14231d38f5d8SJorge Sanjuan static int mixer_ctl_connector_get(struct snd_kcontrol *kcontrol, 14241d38f5d8SJorge Sanjuan struct snd_ctl_elem_value *ucontrol) 14251d38f5d8SJorge Sanjuan { 14261d38f5d8SJorge Sanjuan struct usb_mixer_elem_info *cval = kcontrol->private_data; 14271d38f5d8SJorge Sanjuan struct snd_usb_audio *chip = cval->head.mixer->chip; 14281d38f5d8SJorge Sanjuan int idx = 0, validx, ret, val; 14291d38f5d8SJorge Sanjuan 14301d38f5d8SJorge Sanjuan validx = cval->control << 8 | 0; 14311d38f5d8SJorge Sanjuan 14321d38f5d8SJorge Sanjuan ret = snd_usb_lock_shutdown(chip) ? -EIO : 0; 14331d38f5d8SJorge Sanjuan if (ret) 14341d38f5d8SJorge Sanjuan goto error; 14351d38f5d8SJorge Sanjuan 14360aef31b7SChris Wulff idx = mixer_ctrl_intf(cval->head.mixer) | (cval->head.id << 8); 14371d38f5d8SJorge Sanjuan if (cval->head.mixer->protocol == UAC_VERSION_2) { 14381d38f5d8SJorge Sanjuan struct uac2_connectors_ctl_blk uac2_conn; 14391d38f5d8SJorge Sanjuan 14401d38f5d8SJorge Sanjuan ret = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), UAC2_CS_CUR, 14411d38f5d8SJorge Sanjuan USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, 14421d38f5d8SJorge Sanjuan validx, idx, &uac2_conn, sizeof(uac2_conn)); 14431d38f5d8SJorge Sanjuan val = !!uac2_conn.bNrChannels; 14441d38f5d8SJorge Sanjuan } else { /* UAC_VERSION_3 */ 14451d38f5d8SJorge Sanjuan struct uac3_insertion_ctl_blk uac3_conn; 14461d38f5d8SJorge Sanjuan 14471d38f5d8SJorge Sanjuan ret = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), UAC2_CS_CUR, 14481d38f5d8SJorge Sanjuan USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, 14491d38f5d8SJorge Sanjuan validx, idx, &uac3_conn, sizeof(uac3_conn)); 14501d38f5d8SJorge Sanjuan val = !!uac3_conn.bmConInserted; 14511d38f5d8SJorge Sanjuan } 14521d38f5d8SJorge Sanjuan 14531d38f5d8SJorge Sanjuan snd_usb_unlock_shutdown(chip); 14541d38f5d8SJorge Sanjuan 14551d38f5d8SJorge Sanjuan if (ret < 0) { 14561d38f5d8SJorge Sanjuan error: 14571d38f5d8SJorge Sanjuan usb_audio_err(chip, 14581d38f5d8SJorge Sanjuan "cannot get connectors status: req = %#x, wValue = %#x, wIndex = %#x, type = %d\n", 14591d38f5d8SJorge Sanjuan UAC_GET_CUR, validx, idx, cval->val_type); 146048cc4297STakashi Iwai return filter_error(cval, ret); 14611d38f5d8SJorge Sanjuan } 14621d38f5d8SJorge Sanjuan 14631d38f5d8SJorge Sanjuan ucontrol->value.integer.value[0] = val; 14641d38f5d8SJorge Sanjuan return 0; 14651d38f5d8SJorge Sanjuan } 14661d38f5d8SJorge Sanjuan 1467195727e8STakashi Iwai static const struct snd_kcontrol_new usb_feature_unit_ctl = { 1468f0b5e634SDaniel Mack .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1469f0b5e634SDaniel Mack .name = "", /* will be filled later manually */ 1470f0b5e634SDaniel Mack .info = mixer_ctl_feature_info, 1471f0b5e634SDaniel Mack .get = mixer_ctl_feature_get, 1472f0b5e634SDaniel Mack .put = mixer_ctl_feature_put, 1473f0b5e634SDaniel Mack }; 1474f0b5e634SDaniel Mack 147523caaf19SDaniel Mack /* the read-only variant */ 14768fdaebbbSBhumika Goyal static const struct snd_kcontrol_new usb_feature_unit_ctl_ro = { 147723caaf19SDaniel Mack .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 147823caaf19SDaniel Mack .name = "", /* will be filled later manually */ 147923caaf19SDaniel Mack .info = mixer_ctl_feature_info, 148023caaf19SDaniel Mack .get = mixer_ctl_feature_get, 148123caaf19SDaniel Mack .put = NULL, 148223caaf19SDaniel Mack }; 148323caaf19SDaniel Mack 1484568fa7e0SAndrew Chant /* 1485568fa7e0SAndrew Chant * A control which shows the boolean value from reading a UAC control on 1486568fa7e0SAndrew Chant * the master channel. 1487568fa7e0SAndrew Chant */ 1488195727e8STakashi Iwai static const struct snd_kcontrol_new usb_bool_master_control_ctl_ro = { 14895a222e84SAndrew Chant .iface = SNDRV_CTL_ELEM_IFACE_CARD, 14905a222e84SAndrew Chant .name = "", /* will be filled later manually */ 14915a222e84SAndrew Chant .access = SNDRV_CTL_ELEM_ACCESS_READ, 14925a222e84SAndrew Chant .info = snd_ctl_boolean_mono_info, 1493568fa7e0SAndrew Chant .get = mixer_ctl_master_bool_get, 14945a222e84SAndrew Chant .put = NULL, 14955a222e84SAndrew Chant }; 14965a222e84SAndrew Chant 14971d38f5d8SJorge Sanjuan static const struct snd_kcontrol_new usb_connector_ctl_ro = { 14981d38f5d8SJorge Sanjuan .iface = SNDRV_CTL_ELEM_IFACE_CARD, 14991d38f5d8SJorge Sanjuan .name = "", /* will be filled later manually */ 15001d38f5d8SJorge Sanjuan .access = SNDRV_CTL_ELEM_ACCESS_READ, 15011d38f5d8SJorge Sanjuan .info = snd_ctl_boolean_mono_info, 15021d38f5d8SJorge Sanjuan .get = mixer_ctl_connector_get, 15031d38f5d8SJorge Sanjuan .put = NULL, 15041d38f5d8SJorge Sanjuan }; 15051d38f5d8SJorge Sanjuan 15066bc170e4SDaniel Mack /* 15076bc170e4SDaniel Mack * This symbol is exported in order to allow the mixer quirks to 15086bc170e4SDaniel Mack * hook up to the standard feature unit control mechanism 15096bc170e4SDaniel Mack */ 1510195727e8STakashi Iwai const struct snd_kcontrol_new *snd_usb_feature_unit_ctl = &usb_feature_unit_ctl; 1511f0b5e634SDaniel Mack 1512f0b5e634SDaniel Mack /* 1513f0b5e634SDaniel Mack * build a feature control 1514f0b5e634SDaniel Mack */ 1515f0b5e634SDaniel Mack static size_t append_ctl_name(struct snd_kcontrol *kctl, const char *str) 1516f0b5e634SDaniel Mack { 1517f0b5e634SDaniel Mack return strlcat(kctl->id.name, str, sizeof(kctl->id.name)); 1518f0b5e634SDaniel Mack } 1519f0b5e634SDaniel Mack 15206bc170e4SDaniel Mack /* 15216bc170e4SDaniel Mack * A lot of headsets/headphones have a "Speaker" mixer. Make sure we 15226bc170e4SDaniel Mack * rename it to "Headphone". We determine if something is a headphone 15236bc170e4SDaniel Mack * similar to how udev determines form factor. 15246bc170e4SDaniel Mack */ 15259b4ef977SDavid Henningsson static void check_no_speaker_on_headset(struct snd_kcontrol *kctl, 15269b4ef977SDavid Henningsson struct snd_card *card) 15279b4ef977SDavid Henningsson { 15289b4ef977SDavid Henningsson const char *names_to_check[] = { 15299b4ef977SDavid Henningsson "Headset", "headset", "Headphone", "headphone", NULL}; 15309b4ef977SDavid Henningsson const char **s; 1531e0f17c75SPeter Senna Tschudin bool found = false; 15329b4ef977SDavid Henningsson 15339b4ef977SDavid Henningsson if (strcmp("Speaker", kctl->id.name)) 15349b4ef977SDavid Henningsson return; 15359b4ef977SDavid Henningsson 15369b4ef977SDavid Henningsson for (s = names_to_check; *s; s++) 15379b4ef977SDavid Henningsson if (strstr(card->shortname, *s)) { 1538e0f17c75SPeter Senna Tschudin found = true; 15399b4ef977SDavid Henningsson break; 15409b4ef977SDavid Henningsson } 15419b4ef977SDavid Henningsson 15429b4ef977SDavid Henningsson if (!found) 15439b4ef977SDavid Henningsson return; 15449b4ef977SDavid Henningsson 15459b4ef977SDavid Henningsson strlcpy(kctl->id.name, "Headphone", sizeof(kctl->id.name)); 15469b4ef977SDavid Henningsson } 15479b4ef977SDavid Henningsson 1548a01df925STakashi Iwai static const struct usb_feature_control_info *get_feature_control_info(int control) 154921e9b3e9SAndrew Chant { 155021e9b3e9SAndrew Chant int i; 155121e9b3e9SAndrew Chant 155221e9b3e9SAndrew Chant for (i = 0; i < ARRAY_SIZE(audio_feature_info); ++i) { 155321e9b3e9SAndrew Chant if (audio_feature_info[i].control == control) 155421e9b3e9SAndrew Chant return &audio_feature_info[i]; 155521e9b3e9SAndrew Chant } 155621e9b3e9SAndrew Chant return NULL; 155721e9b3e9SAndrew Chant } 155821e9b3e9SAndrew Chant 155917156f23SRuslan Bilovol static void __build_feature_ctl(struct usb_mixer_interface *mixer, 156017156f23SRuslan Bilovol const struct usbmix_name_map *imap, 1561f0b5e634SDaniel Mack unsigned int ctl_mask, int control, 156217156f23SRuslan Bilovol struct usb_audio_term *iterm, 156317156f23SRuslan Bilovol struct usb_audio_term *oterm, 156417156f23SRuslan Bilovol int unitid, int nameid, int readonly_mask) 1565f0b5e634SDaniel Mack { 1566a01df925STakashi Iwai const struct usb_feature_control_info *ctl_info; 1567f0b5e634SDaniel Mack unsigned int len = 0; 1568f0b5e634SDaniel Mack int mapped_name = 0; 1569f0b5e634SDaniel Mack struct snd_kcontrol *kctl; 1570f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval; 1571f0b5e634SDaniel Mack const struct usbmix_name_map *map; 157280acefffSAlexey Fisher unsigned int range; 1573f0b5e634SDaniel Mack 157465f25da4SDaniel Mack if (control == UAC_FU_GRAPHIC_EQUALIZER) { 1575f0b5e634SDaniel Mack /* FIXME: not supported yet */ 1576f0b5e634SDaniel Mack return; 1577f0b5e634SDaniel Mack } 1578f0b5e634SDaniel Mack 157917156f23SRuslan Bilovol map = find_map(imap, unitid, control); 1580f0b5e634SDaniel Mack if (check_ignored_ctl(map)) 1581f0b5e634SDaniel Mack return; 1582f0b5e634SDaniel Mack 1583f0b5e634SDaniel Mack cval = kzalloc(sizeof(*cval), GFP_KERNEL); 1584a860d95fSDaniel Mack if (!cval) 1585f0b5e634SDaniel Mack return; 158617156f23SRuslan Bilovol snd_usb_mixer_elem_init_std(&cval->head, mixer, unitid); 1587f0b5e634SDaniel Mack cval->control = control; 1588f0b5e634SDaniel Mack cval->cmask = ctl_mask; 158921e9b3e9SAndrew Chant 159021e9b3e9SAndrew Chant ctl_info = get_feature_control_info(control); 159162376025SColin Ian King if (!ctl_info) { 159252c3e317STakashi Iwai usb_mixer_elem_info_free(cval); 159321e9b3e9SAndrew Chant return; 159462376025SColin Ian King } 159517156f23SRuslan Bilovol if (mixer->protocol == UAC_VERSION_1) 1596bc18e31cSJulian Scheel cval->val_type = ctl_info->type; 1597bc18e31cSJulian Scheel else /* UAC_VERSION_2 */ 1598bc18e31cSJulian Scheel cval->val_type = ctl_info->type_uac2 >= 0 ? 1599bc18e31cSJulian Scheel ctl_info->type_uac2 : ctl_info->type; 1600bc18e31cSJulian Scheel 1601a6a33259SDaniel Mack if (ctl_mask == 0) { 1602f0b5e634SDaniel Mack cval->channels = 1; /* master channel */ 1603a6a33259SDaniel Mack cval->master_readonly = readonly_mask; 1604a6a33259SDaniel Mack } else { 1605f0b5e634SDaniel Mack int i, c = 0; 1606f0b5e634SDaniel Mack for (i = 0; i < 16; i++) 1607f0b5e634SDaniel Mack if (ctl_mask & (1 << i)) 1608f0b5e634SDaniel Mack c++; 1609f0b5e634SDaniel Mack cval->channels = c; 1610a6a33259SDaniel Mack cval->ch_readonly = readonly_mask; 1611f0b5e634SDaniel Mack } 1612f0b5e634SDaniel Mack 16136bc170e4SDaniel Mack /* 16146bc170e4SDaniel Mack * If all channels in the mask are marked read-only, make the control 1615eef90451SChris J Arges * read-only. snd_usb_set_cur_mix_value() will check the mask again and won't 16166bc170e4SDaniel Mack * issue write commands to read-only channels. 16176bc170e4SDaniel Mack */ 1618a6a33259SDaniel Mack if (cval->channels == readonly_mask) 161923caaf19SDaniel Mack kctl = snd_ctl_new1(&usb_feature_unit_ctl_ro, cval); 162023caaf19SDaniel Mack else 1621f0b5e634SDaniel Mack kctl = snd_ctl_new1(&usb_feature_unit_ctl, cval); 162223caaf19SDaniel Mack 1623f0b5e634SDaniel Mack if (!kctl) { 162417156f23SRuslan Bilovol usb_audio_err(mixer->chip, "cannot malloc kcontrol\n"); 162552c3e317STakashi Iwai usb_mixer_elem_info_free(cval); 1626f0b5e634SDaniel Mack return; 1627f0b5e634SDaniel Mack } 1628eef90451SChris J Arges kctl->private_free = snd_usb_mixer_elem_free; 1629f0b5e634SDaniel Mack 1630f0b5e634SDaniel Mack len = check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name)); 1631f0b5e634SDaniel Mack mapped_name = len != 0; 1632f0b5e634SDaniel Mack if (!len && nameid) 163317156f23SRuslan Bilovol len = snd_usb_copy_string_desc(mixer->chip, nameid, 1634f0b5e634SDaniel Mack kctl->id.name, sizeof(kctl->id.name)); 1635f0b5e634SDaniel Mack 1636f0b5e634SDaniel Mack switch (control) { 163765f25da4SDaniel Mack case UAC_FU_MUTE: 163865f25da4SDaniel Mack case UAC_FU_VOLUME: 16396bc170e4SDaniel Mack /* 16406bc170e4SDaniel Mack * determine the control name. the rule is: 1641f0b5e634SDaniel Mack * - if a name id is given in descriptor, use it. 1642f0b5e634SDaniel Mack * - if the connected input can be determined, then use the name 1643f0b5e634SDaniel Mack * of terminal type. 1644f0b5e634SDaniel Mack * - if the connected output can be determined, use it. 1645f0b5e634SDaniel Mack * - otherwise, anonymous name. 1646f0b5e634SDaniel Mack */ 1647f0b5e634SDaniel Mack if (!len) { 164817156f23SRuslan Bilovol if (iterm) 164917156f23SRuslan Bilovol len = get_term_name(mixer->chip, iterm, 165017156f23SRuslan Bilovol kctl->id.name, 16516bc170e4SDaniel Mack sizeof(kctl->id.name), 1); 165217156f23SRuslan Bilovol if (!len && oterm) 165317156f23SRuslan Bilovol len = get_term_name(mixer->chip, oterm, 16546bc170e4SDaniel Mack kctl->id.name, 16556bc170e4SDaniel Mack sizeof(kctl->id.name), 1); 1656f0b5e634SDaniel Mack if (!len) 165749fd46d2SDaniel Mack snprintf(kctl->id.name, sizeof(kctl->id.name), 1658f0b5e634SDaniel Mack "Feature %d", unitid); 1659f0b5e634SDaniel Mack } 16609b4ef977SDavid Henningsson 16619b4ef977SDavid Henningsson if (!mapped_name) 166217156f23SRuslan Bilovol check_no_speaker_on_headset(kctl, mixer->chip->card); 16639b4ef977SDavid Henningsson 16646bc170e4SDaniel Mack /* 16656bc170e4SDaniel Mack * determine the stream direction: 1666f0b5e634SDaniel Mack * if the connected output is USB stream, then it's likely a 1667f0b5e634SDaniel Mack * capture stream. otherwise it should be playback (hopefully :) 1668f0b5e634SDaniel Mack */ 166917156f23SRuslan Bilovol if (!mapped_name && oterm && !(oterm->type >> 16)) { 167017156f23SRuslan Bilovol if ((oterm->type & 0xff00) == 0x0100) 167149fd46d2SDaniel Mack append_ctl_name(kctl, " Capture"); 16726bc170e4SDaniel Mack else 167349fd46d2SDaniel Mack append_ctl_name(kctl, " Playback"); 1674f0b5e634SDaniel Mack } 167565f25da4SDaniel Mack append_ctl_name(kctl, control == UAC_FU_MUTE ? 1676f0b5e634SDaniel Mack " Switch" : " Volume"); 1677e182534dSTakashi Iwai break; 1678e182534dSTakashi Iwai default: 1679e182534dSTakashi Iwai if (!len) 1680e182534dSTakashi Iwai strlcpy(kctl->id.name, audio_feature_info[control-1].name, 1681e182534dSTakashi Iwai sizeof(kctl->id.name)); 1682e182534dSTakashi Iwai break; 1683e182534dSTakashi Iwai } 1684e182534dSTakashi Iwai 1685e182534dSTakashi Iwai /* get min/max values */ 1686e182534dSTakashi Iwai get_min_max_with_quirks(cval, 0, kctl); 1687e182534dSTakashi Iwai 1688e9a0ef0bSTakashi Iwai /* skip a bogus volume range */ 1689e9a0ef0bSTakashi Iwai if (cval->max <= cval->min) { 1690e9a0ef0bSTakashi Iwai usb_audio_dbg(mixer->chip, 1691e9a0ef0bSTakashi Iwai "[%d] FU [%s] skipped due to invalid volume\n", 1692e9a0ef0bSTakashi Iwai cval->head.id, kctl->id.name); 1693e9a0ef0bSTakashi Iwai snd_ctl_free_one(kctl); 1694e9a0ef0bSTakashi Iwai return; 1695e9a0ef0bSTakashi Iwai } 1696e9a0ef0bSTakashi Iwai 1697e9a0ef0bSTakashi Iwai 169865f25da4SDaniel Mack if (control == UAC_FU_VOLUME) { 169959bb7f0eSTakashi Iwai check_mapped_dB(map, cval); 170038b65190STakashi Iwai if (cval->dBmin < cval->dBmax || !cval->initialized) { 1701285de9c0SFelix Homann kctl->tlv.c = snd_usb_mixer_vol_tlv; 1702f0b5e634SDaniel Mack kctl->vd[0].access |= 1703f0b5e634SDaniel Mack SNDRV_CTL_ELEM_ACCESS_TLV_READ | 1704f0b5e634SDaniel Mack SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK; 170559bb7f0eSTakashi Iwai } 1706f0b5e634SDaniel Mack } 1707f0b5e634SDaniel Mack 170817156f23SRuslan Bilovol snd_usb_mixer_fu_apply_quirk(mixer, cval, unitid, kctl); 170942e3121dSAnssi Hannula 171080acefffSAlexey Fisher range = (cval->max - cval->min) / cval->res; 17116bc170e4SDaniel Mack /* 17126bc170e4SDaniel Mack * Are there devices with volume range more than 255? I use a bit more 171380acefffSAlexey Fisher * to be sure. 384 is a resolution magic number found on Logitech 171480acefffSAlexey Fisher * devices. It will definitively catch all buggy Logitech devices. 171580acefffSAlexey Fisher */ 171680acefffSAlexey Fisher if (range > 384) { 171717156f23SRuslan Bilovol usb_audio_warn(mixer->chip, 171882c1cf0aSMichał Mirosław "Warning! Unlikely big volume range (=%u), cval->res is probably wrong.", 171980acefffSAlexey Fisher range); 172017156f23SRuslan Bilovol usb_audio_warn(mixer->chip, 172182c1cf0aSMichał Mirosław "[%d] FU [%s] ch = %d, val = %d/%d/%d", 17223360b84bSTakashi Iwai cval->head.id, kctl->id.name, cval->channels, 172380acefffSAlexey Fisher cval->min, cval->max, cval->res); 172480acefffSAlexey Fisher } 172580acefffSAlexey Fisher 172617156f23SRuslan Bilovol usb_audio_dbg(mixer->chip, "[%d] FU [%s] ch = %d, val = %d/%d/%d\n", 17273360b84bSTakashi Iwai cval->head.id, kctl->id.name, cval->channels, 17286bc170e4SDaniel Mack cval->min, cval->max, cval->res); 17293360b84bSTakashi Iwai snd_usb_mixer_add_control(&cval->head, kctl); 1730f0b5e634SDaniel Mack } 1731f0b5e634SDaniel Mack 173217156f23SRuslan Bilovol static void build_feature_ctl(struct mixer_build *state, void *raw_desc, 173317156f23SRuslan Bilovol unsigned int ctl_mask, int control, 173417156f23SRuslan Bilovol struct usb_audio_term *iterm, int unitid, 173517156f23SRuslan Bilovol int readonly_mask) 173617156f23SRuslan Bilovol { 173717156f23SRuslan Bilovol struct uac_feature_unit_descriptor *desc = raw_desc; 173817156f23SRuslan Bilovol int nameid = uac_feature_unit_iFeature(desc); 173917156f23SRuslan Bilovol 174017156f23SRuslan Bilovol __build_feature_ctl(state->mixer, state->map, ctl_mask, control, 174117156f23SRuslan Bilovol iterm, &state->oterm, unitid, nameid, readonly_mask); 174217156f23SRuslan Bilovol } 174317156f23SRuslan Bilovol 174417156f23SRuslan Bilovol static void build_feature_ctl_badd(struct usb_mixer_interface *mixer, 174517156f23SRuslan Bilovol unsigned int ctl_mask, int control, int unitid, 174617156f23SRuslan Bilovol const struct usbmix_name_map *badd_map) 174717156f23SRuslan Bilovol { 174817156f23SRuslan Bilovol __build_feature_ctl(mixer, badd_map, ctl_mask, control, 174917156f23SRuslan Bilovol NULL, NULL, unitid, 0, 0); 175017156f23SRuslan Bilovol } 175117156f23SRuslan Bilovol 1752167e1fb1SJorge Sanjuan static void get_connector_control_name(struct usb_mixer_interface *mixer, 17535a222e84SAndrew Chant struct usb_audio_term *term, 17545a222e84SAndrew Chant bool is_input, char *name, int name_size) 17555a222e84SAndrew Chant { 1756167e1fb1SJorge Sanjuan int name_len = get_term_name(mixer->chip, term, name, name_size, 0); 17575a222e84SAndrew Chant 17585a222e84SAndrew Chant if (name_len == 0) 17595a222e84SAndrew Chant strlcpy(name, "Unknown", name_size); 17605a222e84SAndrew Chant 17615a222e84SAndrew Chant /* 17625a222e84SAndrew Chant * sound/core/ctljack.c has a convention of naming jack controls 17635a222e84SAndrew Chant * by ending in " Jack". Make it slightly more useful by 17645a222e84SAndrew Chant * indicating Input or Output after the terminal name. 17655a222e84SAndrew Chant */ 17665a222e84SAndrew Chant if (is_input) 17675a222e84SAndrew Chant strlcat(name, " - Input Jack", name_size); 17685a222e84SAndrew Chant else 17695a222e84SAndrew Chant strlcat(name, " - Output Jack", name_size); 17705a222e84SAndrew Chant } 17715a222e84SAndrew Chant 17725a222e84SAndrew Chant /* Build a mixer control for a UAC connector control (jack-detect) */ 1773167e1fb1SJorge Sanjuan static void build_connector_control(struct usb_mixer_interface *mixer, 1774934b9659STakashi Iwai const struct usbmix_name_map *imap, 17755a222e84SAndrew Chant struct usb_audio_term *term, bool is_input) 17765a222e84SAndrew Chant { 17775a222e84SAndrew Chant struct snd_kcontrol *kctl; 17785a222e84SAndrew Chant struct usb_mixer_elem_info *cval; 17795a222e84SAndrew Chant 1780934b9659STakashi Iwai if (check_ignored_ctl(find_map(imap, term->id, 0))) 1781934b9659STakashi Iwai return; 1782934b9659STakashi Iwai 17835a222e84SAndrew Chant cval = kzalloc(sizeof(*cval), GFP_KERNEL); 17845a222e84SAndrew Chant if (!cval) 17855a222e84SAndrew Chant return; 1786167e1fb1SJorge Sanjuan snd_usb_mixer_elem_init_std(&cval->head, mixer, term->id); 1787568fa7e0SAndrew Chant /* 17881d38f5d8SJorge Sanjuan * UAC2: The first byte from reading the UAC2_TE_CONNECTOR control returns the 17891d38f5d8SJorge Sanjuan * number of channels connected. 17901d38f5d8SJorge Sanjuan * 17911d38f5d8SJorge Sanjuan * UAC3: The first byte specifies size of bitmap for the inserted controls. The 17921d38f5d8SJorge Sanjuan * following byte(s) specifies which connectors are inserted. 17931d38f5d8SJorge Sanjuan * 17941d38f5d8SJorge Sanjuan * This boolean ctl will simply report if any channels are connected 17951d38f5d8SJorge Sanjuan * or not. 1796568fa7e0SAndrew Chant */ 1797167e1fb1SJorge Sanjuan if (mixer->protocol == UAC_VERSION_2) 17985a222e84SAndrew Chant cval->control = UAC2_TE_CONNECTOR; 17991d38f5d8SJorge Sanjuan else /* UAC_VERSION_3 */ 18001d38f5d8SJorge Sanjuan cval->control = UAC3_TE_INSERTION; 18011d38f5d8SJorge Sanjuan 18025a222e84SAndrew Chant cval->val_type = USB_MIXER_BOOLEAN; 18035a222e84SAndrew Chant cval->channels = 1; /* report true if any channel is connected */ 18045a222e84SAndrew Chant cval->min = 0; 18055a222e84SAndrew Chant cval->max = 1; 18061d38f5d8SJorge Sanjuan kctl = snd_ctl_new1(&usb_connector_ctl_ro, cval); 18075a222e84SAndrew Chant if (!kctl) { 1808167e1fb1SJorge Sanjuan usb_audio_err(mixer->chip, "cannot malloc kcontrol\n"); 180952c3e317STakashi Iwai usb_mixer_elem_info_free(cval); 18105a222e84SAndrew Chant return; 18115a222e84SAndrew Chant } 1812167e1fb1SJorge Sanjuan get_connector_control_name(mixer, term, is_input, kctl->id.name, 18135a222e84SAndrew Chant sizeof(kctl->id.name)); 18145a222e84SAndrew Chant kctl->private_free = snd_usb_mixer_elem_free; 18155a222e84SAndrew Chant snd_usb_mixer_add_control(&cval->head, kctl); 18165a222e84SAndrew Chant } 18175a222e84SAndrew Chant 1818cddaafb9SDaniel Mack static int parse_clock_source_unit(struct mixer_build *state, int unitid, 1819cddaafb9SDaniel Mack void *_ftr) 1820cddaafb9SDaniel Mack { 1821cddaafb9SDaniel Mack struct uac_clock_source_descriptor *hdr = _ftr; 1822cddaafb9SDaniel Mack struct usb_mixer_elem_info *cval; 1823cddaafb9SDaniel Mack struct snd_kcontrol *kctl; 1824cddaafb9SDaniel Mack char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 1825cddaafb9SDaniel Mack int ret; 1826cddaafb9SDaniel Mack 1827cddaafb9SDaniel Mack if (state->mixer->protocol != UAC_VERSION_2) 1828cddaafb9SDaniel Mack return -EINVAL; 1829cddaafb9SDaniel Mack 1830cddaafb9SDaniel Mack /* 1831cddaafb9SDaniel Mack * The only property of this unit we are interested in is the 1832cddaafb9SDaniel Mack * clock source validity. If that isn't readable, just bail out. 1833cddaafb9SDaniel Mack */ 18349a2fe9b8SRuslan Bilovol if (!uac_v2v3_control_is_readable(hdr->bmControls, 183521e9b3e9SAndrew Chant UAC2_CS_CONTROL_CLOCK_VALID)) 1836cddaafb9SDaniel Mack return 0; 1837cddaafb9SDaniel Mack 1838cddaafb9SDaniel Mack cval = kzalloc(sizeof(*cval), GFP_KERNEL); 1839cddaafb9SDaniel Mack if (!cval) 1840cddaafb9SDaniel Mack return -ENOMEM; 1841cddaafb9SDaniel Mack 1842cddaafb9SDaniel Mack snd_usb_mixer_elem_init_std(&cval->head, state->mixer, hdr->bClockID); 1843cddaafb9SDaniel Mack 1844cddaafb9SDaniel Mack cval->min = 0; 1845cddaafb9SDaniel Mack cval->max = 1; 1846cddaafb9SDaniel Mack cval->channels = 1; 1847cddaafb9SDaniel Mack cval->val_type = USB_MIXER_BOOLEAN; 1848cddaafb9SDaniel Mack cval->control = UAC2_CS_CONTROL_CLOCK_VALID; 1849cddaafb9SDaniel Mack 1850cddaafb9SDaniel Mack cval->master_readonly = 1; 1851568fa7e0SAndrew Chant /* From UAC2 5.2.5.1.2 "Only the get request is supported." */ 1852568fa7e0SAndrew Chant kctl = snd_ctl_new1(&usb_bool_master_control_ctl_ro, cval); 1853cddaafb9SDaniel Mack 1854cddaafb9SDaniel Mack if (!kctl) { 185552c3e317STakashi Iwai usb_mixer_elem_info_free(cval); 1856cddaafb9SDaniel Mack return -ENOMEM; 1857cddaafb9SDaniel Mack } 1858cddaafb9SDaniel Mack 1859cddaafb9SDaniel Mack kctl->private_free = snd_usb_mixer_elem_free; 1860eccfc1b8SRuslan Bilovol ret = snd_usb_copy_string_desc(state->chip, hdr->iClockSource, 1861cddaafb9SDaniel Mack name, sizeof(name)); 1862cddaafb9SDaniel Mack if (ret > 0) 1863cddaafb9SDaniel Mack snprintf(kctl->id.name, sizeof(kctl->id.name), 1864cddaafb9SDaniel Mack "%s Validity", name); 1865cddaafb9SDaniel Mack else 1866cddaafb9SDaniel Mack snprintf(kctl->id.name, sizeof(kctl->id.name), 1867cddaafb9SDaniel Mack "Clock Source %d Validity", hdr->bClockID); 1868cddaafb9SDaniel Mack 1869cddaafb9SDaniel Mack return snd_usb_mixer_add_control(&cval->head, kctl); 1870cddaafb9SDaniel Mack } 1871cddaafb9SDaniel Mack 1872f0b5e634SDaniel Mack /* 1873f0b5e634SDaniel Mack * parse a feature unit 1874f0b5e634SDaniel Mack * 187525985edcSLucas De Marchi * most of controls are defined here. 1876f0b5e634SDaniel Mack */ 18776bc170e4SDaniel Mack static int parse_audio_feature_unit(struct mixer_build *state, int unitid, 18786bc170e4SDaniel Mack void *_ftr) 1879f0b5e634SDaniel Mack { 1880f0b5e634SDaniel Mack int channels, i, j; 1881f0b5e634SDaniel Mack struct usb_audio_term iterm; 188236c346e1SYueHaibing unsigned int master_bits; 1883f0b5e634SDaniel Mack int err, csize; 188423caaf19SDaniel Mack struct uac_feature_unit_descriptor *hdr = _ftr; 188523caaf19SDaniel Mack __u8 *bmaControls; 1886f0b5e634SDaniel Mack 188723caaf19SDaniel Mack if (state->mixer->protocol == UAC_VERSION_1) { 188823caaf19SDaniel Mack csize = hdr->bControlSize; 188923caaf19SDaniel Mack channels = (hdr->bLength - 7) / csize - 1; 189023caaf19SDaniel Mack bmaControls = hdr->bmaControls; 18919a2fe9b8SRuslan Bilovol } else if (state->mixer->protocol == UAC_VERSION_2) { 189223caaf19SDaniel Mack struct uac2_feature_unit_descriptor *ftr = _ftr; 189323caaf19SDaniel Mack csize = 4; 1894e8d0fee7SDaniel Mack channels = (hdr->bLength - 6) / 4 - 1; 189523caaf19SDaniel Mack bmaControls = ftr->bmaControls; 18969a2fe9b8SRuslan Bilovol } else { /* UAC_VERSION_3 */ 18979a2fe9b8SRuslan Bilovol struct uac3_feature_unit_descriptor *ftr = _ftr; 18989a2fe9b8SRuslan Bilovol 18999a2fe9b8SRuslan Bilovol csize = 4; 19009a2fe9b8SRuslan Bilovol channels = (ftr->bLength - 7) / 4 - 1; 19019a2fe9b8SRuslan Bilovol bmaControls = ftr->bmaControls; 1902d56268fbSClemens Ladisch } 1903f0b5e634SDaniel Mack 1904f0b5e634SDaniel Mack /* parse the source unit */ 1905f25ecf8fSTakashi Iwai err = parse_audio_unit(state, hdr->bSourceID); 1906f25ecf8fSTakashi Iwai if (err < 0) 1907f0b5e634SDaniel Mack return err; 1908f0b5e634SDaniel Mack 1909f0b5e634SDaniel Mack /* determine the input source type and name */ 19104d7b86c9SDaniel Mack err = check_input_term(state, hdr->bSourceID, &iterm); 19114d7b86c9SDaniel Mack if (err < 0) 19124d7b86c9SDaniel Mack return err; 1913f0b5e634SDaniel Mack 191423caaf19SDaniel Mack master_bits = snd_usb_combine_bytes(bmaControls, csize); 1915f0b5e634SDaniel Mack /* master configuration quirks */ 1916f0b5e634SDaniel Mack switch (state->chip->usb_id) { 1917f0b5e634SDaniel Mack case USB_ID(0x08bb, 0x2702): 19180ba41d91STakashi Iwai usb_audio_info(state->chip, 1919f0b5e634SDaniel Mack "usbmixer: master volume quirk for PCM2702 chip\n"); 1920f0b5e634SDaniel Mack /* disable non-functional volume control */ 192165f25da4SDaniel Mack master_bits &= ~UAC_CONTROL_BIT(UAC_FU_VOLUME); 1922f0b5e634SDaniel Mack break; 1923c1051439SDavid Henningsson case USB_ID(0x1130, 0xf211): 19240ba41d91STakashi Iwai usb_audio_info(state->chip, 1925c1051439SDavid Henningsson "usbmixer: volume control quirk for Tenx TP6911 Audio Headset\n"); 1926c1051439SDavid Henningsson /* disable non-functional volume control */ 1927c1051439SDavid Henningsson channels = 0; 1928c1051439SDavid Henningsson break; 1929c1051439SDavid Henningsson 1930f0b5e634SDaniel Mack } 193123caaf19SDaniel Mack 193223caaf19SDaniel Mack if (state->mixer->protocol == UAC_VERSION_1) { 1933f0b5e634SDaniel Mack /* check all control types */ 1934f0b5e634SDaniel Mack for (i = 0; i < 10; i++) { 1935f0b5e634SDaniel Mack unsigned int ch_bits = 0; 193621e9b3e9SAndrew Chant int control = audio_feature_info[i].control; 193721e9b3e9SAndrew Chant 1938f0b5e634SDaniel Mack for (j = 0; j < channels; j++) { 19396bc170e4SDaniel Mack unsigned int mask; 19406bc170e4SDaniel Mack 19416bc170e4SDaniel Mack mask = snd_usb_combine_bytes(bmaControls + 19426bc170e4SDaniel Mack csize * (j+1), csize); 1943f0b5e634SDaniel Mack if (mask & (1 << i)) 1944f0b5e634SDaniel Mack ch_bits |= (1 << j); 1945f0b5e634SDaniel Mack } 194623caaf19SDaniel Mack /* audio class v1 controls are never read-only */ 19476bc170e4SDaniel Mack 19486bc170e4SDaniel Mack /* 19496bc170e4SDaniel Mack * The first channel must be set 19506bc170e4SDaniel Mack * (for ease of programming). 19516bc170e4SDaniel Mack */ 19526bc170e4SDaniel Mack if (ch_bits & 1) 195321e9b3e9SAndrew Chant build_feature_ctl(state, _ftr, ch_bits, control, 19546bc170e4SDaniel Mack &iterm, unitid, 0); 1955f0b5e634SDaniel Mack if (master_bits & (1 << i)) 195621e9b3e9SAndrew Chant build_feature_ctl(state, _ftr, 0, control, 195721e9b3e9SAndrew Chant &iterm, unitid, 0); 195823caaf19SDaniel Mack } 19599a2fe9b8SRuslan Bilovol } else { /* UAC_VERSION_2/3 */ 1960d09c06c6STakashi Iwai for (i = 0; i < ARRAY_SIZE(audio_feature_info); i++) { 196123caaf19SDaniel Mack unsigned int ch_bits = 0; 196223caaf19SDaniel Mack unsigned int ch_read_only = 0; 196321e9b3e9SAndrew Chant int control = audio_feature_info[i].control; 196423caaf19SDaniel Mack 196523caaf19SDaniel Mack for (j = 0; j < channels; j++) { 19666bc170e4SDaniel Mack unsigned int mask; 19676bc170e4SDaniel Mack 19686bc170e4SDaniel Mack mask = snd_usb_combine_bytes(bmaControls + 19696bc170e4SDaniel Mack csize * (j+1), csize); 197021e9b3e9SAndrew Chant if (uac_v2v3_control_is_readable(mask, control)) { 197123caaf19SDaniel Mack ch_bits |= (1 << j); 197221e9b3e9SAndrew Chant if (!uac_v2v3_control_is_writeable(mask, control)) 197323caaf19SDaniel Mack ch_read_only |= (1 << j); 197423caaf19SDaniel Mack } 197523caaf19SDaniel Mack } 197623caaf19SDaniel Mack 19776bc170e4SDaniel Mack /* 19786bc170e4SDaniel Mack * NOTE: build_feature_ctl() will mark the control 19796bc170e4SDaniel Mack * read-only if all channels are marked read-only in 19806bc170e4SDaniel Mack * the descriptors. Otherwise, the control will be 19816bc170e4SDaniel Mack * reported as writeable, but the driver will not 19826bc170e4SDaniel Mack * actually issue a write command for read-only 19836bc170e4SDaniel Mack * channels. 19846bc170e4SDaniel Mack */ 19856bc170e4SDaniel Mack 19866bc170e4SDaniel Mack /* 19876bc170e4SDaniel Mack * The first channel must be set 19886bc170e4SDaniel Mack * (for ease of programming). 19896bc170e4SDaniel Mack */ 19906bc170e4SDaniel Mack if (ch_bits & 1) 199121e9b3e9SAndrew Chant build_feature_ctl(state, _ftr, ch_bits, control, 19926bc170e4SDaniel Mack &iterm, unitid, ch_read_only); 199321e9b3e9SAndrew Chant if (uac_v2v3_control_is_readable(master_bits, control)) 19942de841efSTakashi Iwai build_feature_ctl(state, _ftr, 0, control, 19952de841efSTakashi Iwai &iterm, unitid, 199621e9b3e9SAndrew Chant !uac_v2v3_control_is_writeable(master_bits, 199721e9b3e9SAndrew Chant control)); 199823caaf19SDaniel Mack } 1999f0b5e634SDaniel Mack } 2000f0b5e634SDaniel Mack 2001f0b5e634SDaniel Mack return 0; 2002f0b5e634SDaniel Mack } 2003f0b5e634SDaniel Mack 2004f0b5e634SDaniel Mack /* 2005f0b5e634SDaniel Mack * Mixer Unit 2006f0b5e634SDaniel Mack */ 2007f0b5e634SDaniel Mack 2008f9f0e9edSTakashi Iwai /* check whether the given in/out overflows bmMixerControls matrix */ 2009f9f0e9edSTakashi Iwai static bool mixer_bitmap_overflow(struct uac_mixer_unit_descriptor *desc, 2010f9f0e9edSTakashi Iwai int protocol, int num_ins, int num_outs) 2011f9f0e9edSTakashi Iwai { 2012f9f0e9edSTakashi Iwai u8 *hdr = (u8 *)desc; 2013f9f0e9edSTakashi Iwai u8 *c = uac_mixer_unit_bmControls(desc, protocol); 2014f9f0e9edSTakashi Iwai size_t rest; /* remaining bytes after bmMixerControls */ 2015f9f0e9edSTakashi Iwai 2016f9f0e9edSTakashi Iwai switch (protocol) { 2017f9f0e9edSTakashi Iwai case UAC_VERSION_1: 2018f9f0e9edSTakashi Iwai default: 2019f9f0e9edSTakashi Iwai rest = 1; /* iMixer */ 2020f9f0e9edSTakashi Iwai break; 2021f9f0e9edSTakashi Iwai case UAC_VERSION_2: 2022f9f0e9edSTakashi Iwai rest = 2; /* bmControls + iMixer */ 2023f9f0e9edSTakashi Iwai break; 2024f9f0e9edSTakashi Iwai case UAC_VERSION_3: 2025f9f0e9edSTakashi Iwai rest = 6; /* bmControls + wMixerDescrStr */ 2026f9f0e9edSTakashi Iwai break; 2027f9f0e9edSTakashi Iwai } 2028f9f0e9edSTakashi Iwai 2029f9f0e9edSTakashi Iwai /* overflow? */ 2030f9f0e9edSTakashi Iwai return c + (num_ins * num_outs + 7) / 8 + rest > hdr + hdr[0]; 2031f9f0e9edSTakashi Iwai } 2032f9f0e9edSTakashi Iwai 2033f0b5e634SDaniel Mack /* 2034f0b5e634SDaniel Mack * build a mixer unit control 2035f0b5e634SDaniel Mack * 2036f0b5e634SDaniel Mack * the callbacks are identical with feature unit. 2037f0b5e634SDaniel Mack * input channel number (zero based) is given in control field instead. 2038f0b5e634SDaniel Mack */ 203999fc8645SDaniel Mack static void build_mixer_unit_ctl(struct mixer_build *state, 204099fc8645SDaniel Mack struct uac_mixer_unit_descriptor *desc, 20416cfd839aSJorge Sanjuan int in_pin, int in_ch, int num_outs, 20426cfd839aSJorge Sanjuan int unitid, struct usb_audio_term *iterm) 2043f0b5e634SDaniel Mack { 2044f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval; 2045f0b5e634SDaniel Mack unsigned int i, len; 2046f0b5e634SDaniel Mack struct snd_kcontrol *kctl; 2047f0b5e634SDaniel Mack const struct usbmix_name_map *map; 2048f0b5e634SDaniel Mack 204917156f23SRuslan Bilovol map = find_map(state->map, unitid, 0); 2050f0b5e634SDaniel Mack if (check_ignored_ctl(map)) 2051f0b5e634SDaniel Mack return; 2052f0b5e634SDaniel Mack 2053f0b5e634SDaniel Mack cval = kzalloc(sizeof(*cval), GFP_KERNEL); 2054f0b5e634SDaniel Mack if (!cval) 2055f0b5e634SDaniel Mack return; 2056f0b5e634SDaniel Mack 20573360b84bSTakashi Iwai snd_usb_mixer_elem_init_std(&cval->head, state->mixer, unitid); 2058f0b5e634SDaniel Mack cval->control = in_ch + 1; /* based on 1 */ 2059f0b5e634SDaniel Mack cval->val_type = USB_MIXER_S16; 2060f0b5e634SDaniel Mack for (i = 0; i < num_outs; i++) { 20616bc170e4SDaniel Mack __u8 *c = uac_mixer_unit_bmControls(desc, state->mixer->protocol); 20626bc170e4SDaniel Mack 20636bc170e4SDaniel Mack if (check_matrix_bitmap(c, in_ch, i, num_outs)) { 2064f0b5e634SDaniel Mack cval->cmask |= (1 << i); 2065f0b5e634SDaniel Mack cval->channels++; 2066f0b5e634SDaniel Mack } 2067f0b5e634SDaniel Mack } 2068f0b5e634SDaniel Mack 2069f0b5e634SDaniel Mack /* get min/max values */ 2070f0b5e634SDaniel Mack get_min_max(cval, 0); 2071f0b5e634SDaniel Mack 2072f0b5e634SDaniel Mack kctl = snd_ctl_new1(&usb_feature_unit_ctl, cval); 2073f0b5e634SDaniel Mack if (!kctl) { 20740ba41d91STakashi Iwai usb_audio_err(state->chip, "cannot malloc kcontrol\n"); 207552c3e317STakashi Iwai usb_mixer_elem_info_free(cval); 2076f0b5e634SDaniel Mack return; 2077f0b5e634SDaniel Mack } 2078eef90451SChris J Arges kctl->private_free = snd_usb_mixer_elem_free; 2079f0b5e634SDaniel Mack 2080f0b5e634SDaniel Mack len = check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name)); 2081f0b5e634SDaniel Mack if (!len) 2082eccfc1b8SRuslan Bilovol len = get_term_name(state->chip, iterm, kctl->id.name, 20836bc170e4SDaniel Mack sizeof(kctl->id.name), 0); 2084f0b5e634SDaniel Mack if (!len) 2085f0b5e634SDaniel Mack len = sprintf(kctl->id.name, "Mixer Source %d", in_ch + 1); 2086f0b5e634SDaniel Mack append_ctl_name(kctl, " Volume"); 2087f0b5e634SDaniel Mack 20880ba41d91STakashi Iwai usb_audio_dbg(state->chip, "[%d] MU [%s] ch = %d, val = %d/%d\n", 20893360b84bSTakashi Iwai cval->head.id, kctl->id.name, cval->channels, cval->min, cval->max); 20903360b84bSTakashi Iwai snd_usb_mixer_add_control(&cval->head, kctl); 2091f0b5e634SDaniel Mack } 2092f0b5e634SDaniel Mack 20935a222e84SAndrew Chant static int parse_audio_input_terminal(struct mixer_build *state, int unitid, 20945a222e84SAndrew Chant void *raw_desc) 20955a222e84SAndrew Chant { 20965a222e84SAndrew Chant struct usb_audio_term iterm; 20971d38f5d8SJorge Sanjuan unsigned int control, bmctls, term_id; 20985a222e84SAndrew Chant 20995a222e84SAndrew Chant if (state->mixer->protocol == UAC_VERSION_2) { 21001d38f5d8SJorge Sanjuan struct uac2_input_terminal_descriptor *d_v2 = raw_desc; 21011d38f5d8SJorge Sanjuan control = UAC2_TE_CONNECTOR; 21021d38f5d8SJorge Sanjuan term_id = d_v2->bTerminalID; 21031d38f5d8SJorge Sanjuan bmctls = le16_to_cpu(d_v2->bmControls); 21041d38f5d8SJorge Sanjuan } else if (state->mixer->protocol == UAC_VERSION_3) { 21051d38f5d8SJorge Sanjuan struct uac3_input_terminal_descriptor *d_v3 = raw_desc; 21061d38f5d8SJorge Sanjuan control = UAC3_TE_INSERTION; 21071d38f5d8SJorge Sanjuan term_id = d_v3->bTerminalID; 21081d38f5d8SJorge Sanjuan bmctls = le32_to_cpu(d_v3->bmControls); 21091d38f5d8SJorge Sanjuan } else { 21101d38f5d8SJorge Sanjuan return 0; /* UAC1. No Insertion control */ 21111d38f5d8SJorge Sanjuan } 21121d38f5d8SJorge Sanjuan 21131d38f5d8SJorge Sanjuan check_input_term(state, term_id, &iterm); 21141d38f5d8SJorge Sanjuan 21155a222e84SAndrew Chant /* Check for jack detection. */ 21167dc3c5a0STakashi Iwai if ((iterm.type & 0xff00) != 0x0100 && 21177dc3c5a0STakashi Iwai uac_v2v3_control_is_readable(bmctls, control)) 2118934b9659STakashi Iwai build_connector_control(state->mixer, state->map, &iterm, true); 21191d38f5d8SJorge Sanjuan 21205a222e84SAndrew Chant return 0; 21215a222e84SAndrew Chant } 21225a222e84SAndrew Chant 2123f0b5e634SDaniel Mack /* 2124f0b5e634SDaniel Mack * parse a mixer unit 2125f0b5e634SDaniel Mack */ 21266bc170e4SDaniel Mack static int parse_audio_mixer_unit(struct mixer_build *state, int unitid, 21276bc170e4SDaniel Mack void *raw_desc) 2128f0b5e634SDaniel Mack { 212999fc8645SDaniel Mack struct uac_mixer_unit_descriptor *desc = raw_desc; 2130f0b5e634SDaniel Mack struct usb_audio_term iterm; 2131f0b5e634SDaniel Mack int input_pins, num_ins, num_outs; 2132f0b5e634SDaniel Mack int pin, ich, err; 2133f0b5e634SDaniel Mack 21346cfd839aSJorge Sanjuan err = uac_mixer_unit_get_channels(state, desc); 21356cfd839aSJorge Sanjuan if (err < 0) { 21366bc170e4SDaniel Mack usb_audio_err(state->chip, 21376bc170e4SDaniel Mack "invalid MIXER UNIT descriptor %d\n", 21386bc170e4SDaniel Mack unitid); 21396cfd839aSJorge Sanjuan return err; 2140f0b5e634SDaniel Mack } 2141f0b5e634SDaniel Mack 21426cfd839aSJorge Sanjuan num_outs = err; 21436cfd839aSJorge Sanjuan input_pins = desc->bNrInPins; 21446cfd839aSJorge Sanjuan 2145f0b5e634SDaniel Mack num_ins = 0; 2146f0b5e634SDaniel Mack ich = 0; 2147f0b5e634SDaniel Mack for (pin = 0; pin < input_pins; pin++) { 214899fc8645SDaniel Mack err = parse_audio_unit(state, desc->baSourceID[pin]); 2149f0b5e634SDaniel Mack if (err < 0) 2150284a8dd6SMark Hills continue; 2151ea114fc2SClemens Ladisch /* no bmControls field (e.g. Maya44) -> ignore */ 21520bfe5e43STakashi Iwai if (!num_outs) 2153ea114fc2SClemens Ladisch continue; 215499fc8645SDaniel Mack err = check_input_term(state, desc->baSourceID[pin], &iterm); 2155f0b5e634SDaniel Mack if (err < 0) 2156f0b5e634SDaniel Mack return err; 2157f0b5e634SDaniel Mack num_ins += iterm.channels; 2158f9f0e9edSTakashi Iwai if (mixer_bitmap_overflow(desc, state->mixer->protocol, 2159f9f0e9edSTakashi Iwai num_ins, num_outs)) 2160f9f0e9edSTakashi Iwai break; 21616bc170e4SDaniel Mack for (; ich < num_ins; ich++) { 2162f0b5e634SDaniel Mack int och, ich_has_controls = 0; 2163f0b5e634SDaniel Mack 21646bc170e4SDaniel Mack for (och = 0; och < num_outs; och++) { 21656bc170e4SDaniel Mack __u8 *c = uac_mixer_unit_bmControls(desc, 21666bc170e4SDaniel Mack state->mixer->protocol); 21676bc170e4SDaniel Mack 21686bc170e4SDaniel Mack if (check_matrix_bitmap(c, ich, och, num_outs)) { 2169f0b5e634SDaniel Mack ich_has_controls = 1; 2170f0b5e634SDaniel Mack break; 2171f0b5e634SDaniel Mack } 2172f0b5e634SDaniel Mack } 2173f0b5e634SDaniel Mack if (ich_has_controls) 21746cfd839aSJorge Sanjuan build_mixer_unit_ctl(state, desc, pin, ich, num_outs, 2175f0b5e634SDaniel Mack unitid, &iterm); 2176f0b5e634SDaniel Mack } 2177f0b5e634SDaniel Mack } 2178f0b5e634SDaniel Mack return 0; 2179f0b5e634SDaniel Mack } 2180f0b5e634SDaniel Mack 2181f0b5e634SDaniel Mack /* 2182f0b5e634SDaniel Mack * Processing Unit / Extension Unit 2183f0b5e634SDaniel Mack */ 2184f0b5e634SDaniel Mack 2185f0b5e634SDaniel Mack /* get callback for processing/extension unit */ 21866bc170e4SDaniel Mack static int mixer_ctl_procunit_get(struct snd_kcontrol *kcontrol, 21876bc170e4SDaniel Mack struct snd_ctl_elem_value *ucontrol) 2188f0b5e634SDaniel Mack { 2189f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval = kcontrol->private_data; 2190f0b5e634SDaniel Mack int err, val; 2191f0b5e634SDaniel Mack 2192f0b5e634SDaniel Mack err = get_cur_ctl_value(cval, cval->control << 8, &val); 21935aeee342STakashi Iwai if (err < 0) { 2194f0b5e634SDaniel Mack ucontrol->value.integer.value[0] = cval->min; 21955aeee342STakashi Iwai return filter_error(cval, err); 2196f0b5e634SDaniel Mack } 2197f0b5e634SDaniel Mack val = get_relative_value(cval, val); 2198f0b5e634SDaniel Mack ucontrol->value.integer.value[0] = val; 2199f0b5e634SDaniel Mack return 0; 2200f0b5e634SDaniel Mack } 2201f0b5e634SDaniel Mack 2202f0b5e634SDaniel Mack /* put callback for processing/extension unit */ 22036bc170e4SDaniel Mack static int mixer_ctl_procunit_put(struct snd_kcontrol *kcontrol, 22046bc170e4SDaniel Mack struct snd_ctl_elem_value *ucontrol) 2205f0b5e634SDaniel Mack { 2206f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval = kcontrol->private_data; 2207f0b5e634SDaniel Mack int val, oval, err; 2208f0b5e634SDaniel Mack 2209f0b5e634SDaniel Mack err = get_cur_ctl_value(cval, cval->control << 8, &oval); 22105aeee342STakashi Iwai if (err < 0) 22115aeee342STakashi Iwai return filter_error(cval, err); 2212f0b5e634SDaniel Mack val = ucontrol->value.integer.value[0]; 2213f0b5e634SDaniel Mack val = get_abs_value(cval, val); 2214f0b5e634SDaniel Mack if (val != oval) { 2215f0b5e634SDaniel Mack set_cur_ctl_value(cval, cval->control << 8, val); 2216f0b5e634SDaniel Mack return 1; 2217f0b5e634SDaniel Mack } 2218f0b5e634SDaniel Mack return 0; 2219f0b5e634SDaniel Mack } 2220f0b5e634SDaniel Mack 2221f0b5e634SDaniel Mack /* alsa control interface for processing/extension unit */ 22228fdaebbbSBhumika Goyal static const struct snd_kcontrol_new mixer_procunit_ctl = { 2223f0b5e634SDaniel Mack .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 2224f0b5e634SDaniel Mack .name = "", /* will be filled later */ 2225f0b5e634SDaniel Mack .info = mixer_ctl_feature_info, 2226f0b5e634SDaniel Mack .get = mixer_ctl_procunit_get, 2227f0b5e634SDaniel Mack .put = mixer_ctl_procunit_put, 2228f0b5e634SDaniel Mack }; 2229f0b5e634SDaniel Mack 2230f0b5e634SDaniel Mack /* 2231f0b5e634SDaniel Mack * predefined data for processing units 2232f0b5e634SDaniel Mack */ 2233f0b5e634SDaniel Mack struct procunit_value_info { 2234f0b5e634SDaniel Mack int control; 2235a01df925STakashi Iwai const char *suffix; 2236f0b5e634SDaniel Mack int val_type; 2237f0b5e634SDaniel Mack int min_value; 2238f0b5e634SDaniel Mack }; 2239f0b5e634SDaniel Mack 2240f0b5e634SDaniel Mack struct procunit_info { 2241f0b5e634SDaniel Mack int type; 2242f0b5e634SDaniel Mack char *name; 2243a01df925STakashi Iwai const struct procunit_value_info *values; 2244f0b5e634SDaniel Mack }; 2245f0b5e634SDaniel Mack 2246a01df925STakashi Iwai static const struct procunit_value_info undefined_proc_info[] = { 22470f292f02SJorge Sanjuan { 0x00, "Control Undefined", 0 }, 22480f292f02SJorge Sanjuan { 0 } 22490f292f02SJorge Sanjuan }; 22500f292f02SJorge Sanjuan 2251a01df925STakashi Iwai static const struct procunit_value_info updown_proc_info[] = { 225265f25da4SDaniel Mack { UAC_UD_ENABLE, "Switch", USB_MIXER_BOOLEAN }, 225365f25da4SDaniel Mack { UAC_UD_MODE_SELECT, "Mode Select", USB_MIXER_U8, 1 }, 2254f0b5e634SDaniel Mack { 0 } 2255f0b5e634SDaniel Mack }; 2256a01df925STakashi Iwai static const struct procunit_value_info prologic_proc_info[] = { 225765f25da4SDaniel Mack { UAC_DP_ENABLE, "Switch", USB_MIXER_BOOLEAN }, 225865f25da4SDaniel Mack { UAC_DP_MODE_SELECT, "Mode Select", USB_MIXER_U8, 1 }, 2259f0b5e634SDaniel Mack { 0 } 2260f0b5e634SDaniel Mack }; 2261a01df925STakashi Iwai static const struct procunit_value_info threed_enh_proc_info[] = { 226265f25da4SDaniel Mack { UAC_3D_ENABLE, "Switch", USB_MIXER_BOOLEAN }, 226365f25da4SDaniel Mack { UAC_3D_SPACE, "Spaciousness", USB_MIXER_U8 }, 2264f0b5e634SDaniel Mack { 0 } 2265f0b5e634SDaniel Mack }; 2266a01df925STakashi Iwai static const struct procunit_value_info reverb_proc_info[] = { 226765f25da4SDaniel Mack { UAC_REVERB_ENABLE, "Switch", USB_MIXER_BOOLEAN }, 226865f25da4SDaniel Mack { UAC_REVERB_LEVEL, "Level", USB_MIXER_U8 }, 226965f25da4SDaniel Mack { UAC_REVERB_TIME, "Time", USB_MIXER_U16 }, 227065f25da4SDaniel Mack { UAC_REVERB_FEEDBACK, "Feedback", USB_MIXER_U8 }, 2271f0b5e634SDaniel Mack { 0 } 2272f0b5e634SDaniel Mack }; 2273a01df925STakashi Iwai static const struct procunit_value_info chorus_proc_info[] = { 227465f25da4SDaniel Mack { UAC_CHORUS_ENABLE, "Switch", USB_MIXER_BOOLEAN }, 227565f25da4SDaniel Mack { UAC_CHORUS_LEVEL, "Level", USB_MIXER_U8 }, 227665f25da4SDaniel Mack { UAC_CHORUS_RATE, "Rate", USB_MIXER_U16 }, 227765f25da4SDaniel Mack { UAC_CHORUS_DEPTH, "Depth", USB_MIXER_U16 }, 2278f0b5e634SDaniel Mack { 0 } 2279f0b5e634SDaniel Mack }; 2280a01df925STakashi Iwai static const struct procunit_value_info dcr_proc_info[] = { 228165f25da4SDaniel Mack { UAC_DCR_ENABLE, "Switch", USB_MIXER_BOOLEAN }, 228265f25da4SDaniel Mack { UAC_DCR_RATE, "Ratio", USB_MIXER_U16 }, 228365f25da4SDaniel Mack { UAC_DCR_MAXAMPL, "Max Amp", USB_MIXER_S16 }, 228465f25da4SDaniel Mack { UAC_DCR_THRESHOLD, "Threshold", USB_MIXER_S16 }, 228565f25da4SDaniel Mack { UAC_DCR_ATTACK_TIME, "Attack Time", USB_MIXER_U16 }, 228665f25da4SDaniel Mack { UAC_DCR_RELEASE_TIME, "Release Time", USB_MIXER_U16 }, 2287f0b5e634SDaniel Mack { 0 } 2288f0b5e634SDaniel Mack }; 2289f0b5e634SDaniel Mack 2290a01df925STakashi Iwai static const struct procunit_info procunits[] = { 229165f25da4SDaniel Mack { UAC_PROCESS_UP_DOWNMIX, "Up Down", updown_proc_info }, 229265f25da4SDaniel Mack { UAC_PROCESS_DOLBY_PROLOGIC, "Dolby Prologic", prologic_proc_info }, 229365f25da4SDaniel Mack { UAC_PROCESS_STEREO_EXTENDER, "3D Stereo Extender", threed_enh_proc_info }, 229465f25da4SDaniel Mack { UAC_PROCESS_REVERB, "Reverb", reverb_proc_info }, 229565f25da4SDaniel Mack { UAC_PROCESS_CHORUS, "Chorus", chorus_proc_info }, 229665f25da4SDaniel Mack { UAC_PROCESS_DYN_RANGE_COMP, "DCR", dcr_proc_info }, 2297f0b5e634SDaniel Mack { 0 }, 2298f0b5e634SDaniel Mack }; 22990f292f02SJorge Sanjuan 2300a01df925STakashi Iwai static const struct procunit_value_info uac3_updown_proc_info[] = { 23010f292f02SJorge Sanjuan { UAC3_UD_MODE_SELECT, "Mode Select", USB_MIXER_U8, 1 }, 23020f292f02SJorge Sanjuan { 0 } 23030f292f02SJorge Sanjuan }; 2304a01df925STakashi Iwai static const struct procunit_value_info uac3_stereo_ext_proc_info[] = { 23050f292f02SJorge Sanjuan { UAC3_EXT_WIDTH_CONTROL, "Width Control", USB_MIXER_U8 }, 23060f292f02SJorge Sanjuan { 0 } 23070f292f02SJorge Sanjuan }; 23080f292f02SJorge Sanjuan 2309a01df925STakashi Iwai static const struct procunit_info uac3_procunits[] = { 23100f292f02SJorge Sanjuan { UAC3_PROCESS_UP_DOWNMIX, "Up Down", uac3_updown_proc_info }, 23110f292f02SJorge Sanjuan { UAC3_PROCESS_STEREO_EXTENDER, "3D Stereo Extender", uac3_stereo_ext_proc_info }, 23120f292f02SJorge Sanjuan { UAC3_PROCESS_MULTI_FUNCTION, "Multi-Function", undefined_proc_info }, 23130f292f02SJorge Sanjuan { 0 }, 23140f292f02SJorge Sanjuan }; 23150f292f02SJorge Sanjuan 2316f0b5e634SDaniel Mack /* 2317f0b5e634SDaniel Mack * predefined data for extension units 2318f0b5e634SDaniel Mack */ 2319a01df925STakashi Iwai static const struct procunit_value_info clock_rate_xu_info[] = { 2320f0b5e634SDaniel Mack { USB_XU_CLOCK_RATE_SELECTOR, "Selector", USB_MIXER_U8, 0 }, 2321f0b5e634SDaniel Mack { 0 } 2322f0b5e634SDaniel Mack }; 2323a01df925STakashi Iwai static const struct procunit_value_info clock_source_xu_info[] = { 2324f0b5e634SDaniel Mack { USB_XU_CLOCK_SOURCE_SELECTOR, "External", USB_MIXER_BOOLEAN }, 2325f0b5e634SDaniel Mack { 0 } 2326f0b5e634SDaniel Mack }; 2327a01df925STakashi Iwai static const struct procunit_value_info spdif_format_xu_info[] = { 2328f0b5e634SDaniel Mack { USB_XU_DIGITAL_FORMAT_SELECTOR, "SPDIF/AC3", USB_MIXER_BOOLEAN }, 2329f0b5e634SDaniel Mack { 0 } 2330f0b5e634SDaniel Mack }; 2331a01df925STakashi Iwai static const struct procunit_value_info soft_limit_xu_info[] = { 2332f0b5e634SDaniel Mack { USB_XU_SOFT_LIMIT_SELECTOR, " ", USB_MIXER_BOOLEAN }, 2333f0b5e634SDaniel Mack { 0 } 2334f0b5e634SDaniel Mack }; 2335a01df925STakashi Iwai static const struct procunit_info extunits[] = { 2336f0b5e634SDaniel Mack { USB_XU_CLOCK_RATE, "Clock rate", clock_rate_xu_info }, 2337f0b5e634SDaniel Mack { USB_XU_CLOCK_SOURCE, "DigitalIn CLK source", clock_source_xu_info }, 2338f0b5e634SDaniel Mack { USB_XU_DIGITAL_IO_STATUS, "DigitalOut format:", spdif_format_xu_info }, 2339f0b5e634SDaniel Mack { USB_XU_DEVICE_OPTIONS, "AnalogueIn Soft Limit", soft_limit_xu_info }, 2340f0b5e634SDaniel Mack { 0 } 2341f0b5e634SDaniel Mack }; 23426bc170e4SDaniel Mack 2343f0b5e634SDaniel Mack /* 2344f0b5e634SDaniel Mack * build a processing/extension unit 2345f0b5e634SDaniel Mack */ 23466bc170e4SDaniel Mack static int build_audio_procunit(struct mixer_build *state, int unitid, 2347a01df925STakashi Iwai void *raw_desc, const struct procunit_info *list, 2348ca95c7bfSTakashi Iwai bool extension_unit) 2349f0b5e634SDaniel Mack { 235099fc8645SDaniel Mack struct uac_processing_unit_descriptor *desc = raw_desc; 2351f4351a19STakashi Iwai int num_ins; 2352f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval; 2353f0b5e634SDaniel Mack struct snd_kcontrol *kctl; 2354f0b5e634SDaniel Mack int i, err, nameid, type, len; 2355a01df925STakashi Iwai const struct procunit_info *info; 2356a01df925STakashi Iwai const struct procunit_value_info *valinfo; 2357f0b5e634SDaniel Mack const struct usbmix_name_map *map; 2358a01df925STakashi Iwai static const struct procunit_value_info default_value_info[] = { 2359f0b5e634SDaniel Mack { 0x01, "Switch", USB_MIXER_BOOLEAN }, 2360f0b5e634SDaniel Mack { 0 } 2361f0b5e634SDaniel Mack }; 2362a01df925STakashi Iwai static const struct procunit_info default_info = { 2363f0b5e634SDaniel Mack 0, NULL, default_value_info 2364f0b5e634SDaniel Mack }; 2365ca95c7bfSTakashi Iwai const char *name = extension_unit ? 2366ca95c7bfSTakashi Iwai "Extension Unit" : "Processing Unit"; 2367f0b5e634SDaniel Mack 2368f4351a19STakashi Iwai num_ins = desc->bNrInPins; 2369f0b5e634SDaniel Mack for (i = 0; i < num_ins; i++) { 2370f25ecf8fSTakashi Iwai err = parse_audio_unit(state, desc->baSourceID[i]); 2371f25ecf8fSTakashi Iwai if (err < 0) 2372f0b5e634SDaniel Mack return err; 2373f0b5e634SDaniel Mack } 2374f0b5e634SDaniel Mack 237599fc8645SDaniel Mack type = le16_to_cpu(desc->wProcessType); 2376f0b5e634SDaniel Mack for (info = list; info && info->type; info++) 2377f0b5e634SDaniel Mack if (info->type == type) 2378f0b5e634SDaniel Mack break; 2379f0b5e634SDaniel Mack if (!info || !info->type) 2380f0b5e634SDaniel Mack info = &default_info; 2381f0b5e634SDaniel Mack 2382f0b5e634SDaniel Mack for (valinfo = info->values; valinfo->control; valinfo++) { 238323caaf19SDaniel Mack __u8 *controls = uac_processing_unit_bmControls(desc, state->mixer->protocol); 238499fc8645SDaniel Mack 23854e887af3SJorge Sanjuan if (state->mixer->protocol == UAC_VERSION_1) { 23864e887af3SJorge Sanjuan if (!(controls[valinfo->control / 8] & 23874e887af3SJorge Sanjuan (1 << ((valinfo->control % 8) - 1)))) 2388f0b5e634SDaniel Mack continue; 23894e887af3SJorge Sanjuan } else { /* UAC_VERSION_2/3 */ 23904e887af3SJorge Sanjuan if (!uac_v2v3_control_is_readable(controls[valinfo->control / 8], 23914e887af3SJorge Sanjuan valinfo->control)) 23924e887af3SJorge Sanjuan continue; 23934e887af3SJorge Sanjuan } 23944e887af3SJorge Sanjuan 239517156f23SRuslan Bilovol map = find_map(state->map, unitid, valinfo->control); 2396f0b5e634SDaniel Mack if (check_ignored_ctl(map)) 2397f0b5e634SDaniel Mack continue; 2398f0b5e634SDaniel Mack cval = kzalloc(sizeof(*cval), GFP_KERNEL); 2399a860d95fSDaniel Mack if (!cval) 2400f0b5e634SDaniel Mack return -ENOMEM; 24013360b84bSTakashi Iwai snd_usb_mixer_elem_init_std(&cval->head, state->mixer, unitid); 2402f0b5e634SDaniel Mack cval->control = valinfo->control; 2403f0b5e634SDaniel Mack cval->val_type = valinfo->val_type; 2404f0b5e634SDaniel Mack cval->channels = 1; 2405f0b5e634SDaniel Mack 24064e887af3SJorge Sanjuan if (state->mixer->protocol > UAC_VERSION_1 && 24074e887af3SJorge Sanjuan !uac_v2v3_control_is_writeable(controls[valinfo->control / 8], 24084e887af3SJorge Sanjuan valinfo->control)) 24094e887af3SJorge Sanjuan cval->master_readonly = 1; 24104e887af3SJorge Sanjuan 2411f0b5e634SDaniel Mack /* get min/max values */ 241255b8cb46SJorge Sanjuan switch (type) { 241355b8cb46SJorge Sanjuan case UAC_PROCESS_UP_DOWNMIX: { 241455b8cb46SJorge Sanjuan bool mode_sel = false; 241555b8cb46SJorge Sanjuan 241655b8cb46SJorge Sanjuan switch (state->mixer->protocol) { 241755b8cb46SJorge Sanjuan case UAC_VERSION_1: 241855b8cb46SJorge Sanjuan case UAC_VERSION_2: 241955b8cb46SJorge Sanjuan default: 242055b8cb46SJorge Sanjuan if (cval->control == UAC_UD_MODE_SELECT) 242155b8cb46SJorge Sanjuan mode_sel = true; 242255b8cb46SJorge Sanjuan break; 242355b8cb46SJorge Sanjuan case UAC_VERSION_3: 242455b8cb46SJorge Sanjuan if (cval->control == UAC3_UD_MODE_SELECT) 242555b8cb46SJorge Sanjuan mode_sel = true; 242655b8cb46SJorge Sanjuan break; 242755b8cb46SJorge Sanjuan } 242855b8cb46SJorge Sanjuan 242955b8cb46SJorge Sanjuan if (mode_sel) { 243055b8cb46SJorge Sanjuan __u8 *control_spec = uac_processing_unit_specific(desc, 243155b8cb46SJorge Sanjuan state->mixer->protocol); 2432f0b5e634SDaniel Mack cval->min = 1; 243399fc8645SDaniel Mack cval->max = control_spec[0]; 2434f0b5e634SDaniel Mack cval->res = 1; 2435f0b5e634SDaniel Mack cval->initialized = 1; 243655b8cb46SJorge Sanjuan break; 243755b8cb46SJorge Sanjuan } 243855b8cb46SJorge Sanjuan 243955b8cb46SJorge Sanjuan get_min_max(cval, valinfo->min_value); 244055b8cb46SJorge Sanjuan break; 244155b8cb46SJorge Sanjuan } 244255b8cb46SJorge Sanjuan case USB_XU_CLOCK_RATE: 24436bc170e4SDaniel Mack /* 24446bc170e4SDaniel Mack * E-Mu USB 0404/0202/TrackerPre/0204 2445f0b5e634SDaniel Mack * samplerate control quirk 2446f0b5e634SDaniel Mack */ 2447f0b5e634SDaniel Mack cval->min = 0; 2448f0b5e634SDaniel Mack cval->max = 5; 2449f0b5e634SDaniel Mack cval->res = 1; 2450f0b5e634SDaniel Mack cval->initialized = 1; 245155b8cb46SJorge Sanjuan break; 245255b8cb46SJorge Sanjuan default: 2453f0b5e634SDaniel Mack get_min_max(cval, valinfo->min_value); 245455b8cb46SJorge Sanjuan break; 2455f0b5e634SDaniel Mack } 2456f0b5e634SDaniel Mack 2457f0b5e634SDaniel Mack kctl = snd_ctl_new1(&mixer_procunit_ctl, cval); 2458f0b5e634SDaniel Mack if (!kctl) { 245952c3e317STakashi Iwai usb_mixer_elem_info_free(cval); 2460f0b5e634SDaniel Mack return -ENOMEM; 2461f0b5e634SDaniel Mack } 2462eef90451SChris J Arges kctl->private_free = snd_usb_mixer_elem_free; 2463f0b5e634SDaniel Mack 24646bc170e4SDaniel Mack if (check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name))) { 2465f0b5e634SDaniel Mack /* nothing */ ; 24666bc170e4SDaniel Mack } else if (info->name) { 2467f0b5e634SDaniel Mack strlcpy(kctl->id.name, info->name, sizeof(kctl->id.name)); 24686bc170e4SDaniel Mack } else { 2469ca95c7bfSTakashi Iwai if (extension_unit) 2470ca95c7bfSTakashi Iwai nameid = uac_extension_unit_iExtension(desc, state->mixer->protocol); 2471ca95c7bfSTakashi Iwai else 247223caaf19SDaniel Mack nameid = uac_processing_unit_iProcessing(desc, state->mixer->protocol); 2473f0b5e634SDaniel Mack len = 0; 2474f0b5e634SDaniel Mack if (nameid) 2475eccfc1b8SRuslan Bilovol len = snd_usb_copy_string_desc(state->chip, 2476eccfc1b8SRuslan Bilovol nameid, 24776bc170e4SDaniel Mack kctl->id.name, 24786bc170e4SDaniel Mack sizeof(kctl->id.name)); 2479f0b5e634SDaniel Mack if (!len) 2480f0b5e634SDaniel Mack strlcpy(kctl->id.name, name, sizeof(kctl->id.name)); 2481f0b5e634SDaniel Mack } 2482f0b5e634SDaniel Mack append_ctl_name(kctl, " "); 2483f0b5e634SDaniel Mack append_ctl_name(kctl, valinfo->suffix); 2484f0b5e634SDaniel Mack 24850ba41d91STakashi Iwai usb_audio_dbg(state->chip, 24860ba41d91STakashi Iwai "[%d] PU [%s] ch = %d, val = %d/%d\n", 24873360b84bSTakashi Iwai cval->head.id, kctl->id.name, cval->channels, 24886bc170e4SDaniel Mack cval->min, cval->max); 24896bc170e4SDaniel Mack 24903360b84bSTakashi Iwai err = snd_usb_mixer_add_control(&cval->head, kctl); 24916bc170e4SDaniel Mack if (err < 0) 2492f0b5e634SDaniel Mack return err; 2493f0b5e634SDaniel Mack } 2494f0b5e634SDaniel Mack return 0; 2495f0b5e634SDaniel Mack } 2496f0b5e634SDaniel Mack 24976bc170e4SDaniel Mack static int parse_audio_processing_unit(struct mixer_build *state, int unitid, 24986bc170e4SDaniel Mack void *raw_desc) 2499f0b5e634SDaniel Mack { 25000f292f02SJorge Sanjuan switch (state->mixer->protocol) { 25010f292f02SJorge Sanjuan case UAC_VERSION_1: 25020f292f02SJorge Sanjuan case UAC_VERSION_2: 25030f292f02SJorge Sanjuan default: 25046bc170e4SDaniel Mack return build_audio_procunit(state, unitid, raw_desc, 2505ca95c7bfSTakashi Iwai procunits, false); 25060f292f02SJorge Sanjuan case UAC_VERSION_3: 25070f292f02SJorge Sanjuan return build_audio_procunit(state, unitid, raw_desc, 2508ca95c7bfSTakashi Iwai uac3_procunits, false); 25090f292f02SJorge Sanjuan } 2510f0b5e634SDaniel Mack } 2511f0b5e634SDaniel Mack 25126bc170e4SDaniel Mack static int parse_audio_extension_unit(struct mixer_build *state, int unitid, 25136bc170e4SDaniel Mack void *raw_desc) 2514f0b5e634SDaniel Mack { 25156bc170e4SDaniel Mack /* 25166bc170e4SDaniel Mack * Note that we parse extension units with processing unit descriptors. 25176bc170e4SDaniel Mack * That's ok as the layout is the same. 25186bc170e4SDaniel Mack */ 2519ca95c7bfSTakashi Iwai return build_audio_procunit(state, unitid, raw_desc, extunits, true); 2520f0b5e634SDaniel Mack } 2521f0b5e634SDaniel Mack 2522f0b5e634SDaniel Mack /* 2523f0b5e634SDaniel Mack * Selector Unit 2524f0b5e634SDaniel Mack */ 2525f0b5e634SDaniel Mack 25266bc170e4SDaniel Mack /* 25276bc170e4SDaniel Mack * info callback for selector unit 2528f0b5e634SDaniel Mack * use an enumerator type for routing 2529f0b5e634SDaniel Mack */ 25306bc170e4SDaniel Mack static int mixer_ctl_selector_info(struct snd_kcontrol *kcontrol, 25316bc170e4SDaniel Mack struct snd_ctl_elem_info *uinfo) 2532f0b5e634SDaniel Mack { 2533f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval = kcontrol->private_data; 25342a1803a7SClemens Ladisch const char **itemlist = (const char **)kcontrol->private_value; 2535f0b5e634SDaniel Mack 2536f0b5e634SDaniel Mack if (snd_BUG_ON(!itemlist)) 2537f0b5e634SDaniel Mack return -EINVAL; 25382a1803a7SClemens Ladisch return snd_ctl_enum_info(uinfo, 1, cval->max, itemlist); 2539f0b5e634SDaniel Mack } 2540f0b5e634SDaniel Mack 2541f0b5e634SDaniel Mack /* get callback for selector unit */ 25426bc170e4SDaniel Mack static int mixer_ctl_selector_get(struct snd_kcontrol *kcontrol, 25436bc170e4SDaniel Mack struct snd_ctl_elem_value *ucontrol) 2544f0b5e634SDaniel Mack { 2545f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval = kcontrol->private_data; 2546f0b5e634SDaniel Mack int val, err; 2547f0b5e634SDaniel Mack 254809414207SDaniel Mack err = get_cur_ctl_value(cval, cval->control << 8, &val); 2549f0b5e634SDaniel Mack if (err < 0) { 2550f0b5e634SDaniel Mack ucontrol->value.enumerated.item[0] = 0; 25515aeee342STakashi Iwai return filter_error(cval, err); 2552f0b5e634SDaniel Mack } 2553f0b5e634SDaniel Mack val = get_relative_value(cval, val); 2554f0b5e634SDaniel Mack ucontrol->value.enumerated.item[0] = val; 2555f0b5e634SDaniel Mack return 0; 2556f0b5e634SDaniel Mack } 2557f0b5e634SDaniel Mack 2558f0b5e634SDaniel Mack /* put callback for selector unit */ 25596bc170e4SDaniel Mack static int mixer_ctl_selector_put(struct snd_kcontrol *kcontrol, 25606bc170e4SDaniel Mack struct snd_ctl_elem_value *ucontrol) 2561f0b5e634SDaniel Mack { 2562f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval = kcontrol->private_data; 2563f0b5e634SDaniel Mack int val, oval, err; 2564f0b5e634SDaniel Mack 256509414207SDaniel Mack err = get_cur_ctl_value(cval, cval->control << 8, &oval); 25665aeee342STakashi Iwai if (err < 0) 25675aeee342STakashi Iwai return filter_error(cval, err); 2568f0b5e634SDaniel Mack val = ucontrol->value.enumerated.item[0]; 2569f0b5e634SDaniel Mack val = get_abs_value(cval, val); 2570f0b5e634SDaniel Mack if (val != oval) { 257109414207SDaniel Mack set_cur_ctl_value(cval, cval->control << 8, val); 2572f0b5e634SDaniel Mack return 1; 2573f0b5e634SDaniel Mack } 2574f0b5e634SDaniel Mack return 0; 2575f0b5e634SDaniel Mack } 2576f0b5e634SDaniel Mack 2577f0b5e634SDaniel Mack /* alsa control interface for selector unit */ 25788fdaebbbSBhumika Goyal static const struct snd_kcontrol_new mixer_selectunit_ctl = { 2579f0b5e634SDaniel Mack .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 2580f0b5e634SDaniel Mack .name = "", /* will be filled later */ 2581f0b5e634SDaniel Mack .info = mixer_ctl_selector_info, 2582f0b5e634SDaniel Mack .get = mixer_ctl_selector_get, 2583f0b5e634SDaniel Mack .put = mixer_ctl_selector_put, 2584f0b5e634SDaniel Mack }; 2585f0b5e634SDaniel Mack 25866bc170e4SDaniel Mack /* 25876bc170e4SDaniel Mack * private free callback. 2588f0b5e634SDaniel Mack * free both private_data and private_value 2589f0b5e634SDaniel Mack */ 2590f0b5e634SDaniel Mack static void usb_mixer_selector_elem_free(struct snd_kcontrol *kctl) 2591f0b5e634SDaniel Mack { 2592f0b5e634SDaniel Mack int i, num_ins = 0; 2593f0b5e634SDaniel Mack 2594f0b5e634SDaniel Mack if (kctl->private_data) { 2595f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval = kctl->private_data; 2596f0b5e634SDaniel Mack num_ins = cval->max; 259752c3e317STakashi Iwai usb_mixer_elem_info_free(cval); 2598f0b5e634SDaniel Mack kctl->private_data = NULL; 2599f0b5e634SDaniel Mack } 2600f0b5e634SDaniel Mack if (kctl->private_value) { 2601f0b5e634SDaniel Mack char **itemlist = (char **)kctl->private_value; 2602f0b5e634SDaniel Mack for (i = 0; i < num_ins; i++) 2603f0b5e634SDaniel Mack kfree(itemlist[i]); 2604f0b5e634SDaniel Mack kfree(itemlist); 2605f0b5e634SDaniel Mack kctl->private_value = 0; 2606f0b5e634SDaniel Mack } 2607f0b5e634SDaniel Mack } 2608f0b5e634SDaniel Mack 2609f0b5e634SDaniel Mack /* 2610f0b5e634SDaniel Mack * parse a selector unit 2611f0b5e634SDaniel Mack */ 26126bc170e4SDaniel Mack static int parse_audio_selector_unit(struct mixer_build *state, int unitid, 26136bc170e4SDaniel Mack void *raw_desc) 2614f0b5e634SDaniel Mack { 261599fc8645SDaniel Mack struct uac_selector_unit_descriptor *desc = raw_desc; 2616f0b5e634SDaniel Mack unsigned int i, nameid, len; 2617f0b5e634SDaniel Mack int err; 2618f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval; 2619f0b5e634SDaniel Mack struct snd_kcontrol *kctl; 2620f0b5e634SDaniel Mack const struct usbmix_name_map *map; 2621f0b5e634SDaniel Mack char **namelist; 2622f0b5e634SDaniel Mack 262399fc8645SDaniel Mack for (i = 0; i < desc->bNrInPins; i++) { 2624f25ecf8fSTakashi Iwai err = parse_audio_unit(state, desc->baSourceID[i]); 2625f25ecf8fSTakashi Iwai if (err < 0) 2626f0b5e634SDaniel Mack return err; 2627f0b5e634SDaniel Mack } 2628f0b5e634SDaniel Mack 262999fc8645SDaniel Mack if (desc->bNrInPins == 1) /* only one ? nonsense! */ 2630f0b5e634SDaniel Mack return 0; 2631f0b5e634SDaniel Mack 263217156f23SRuslan Bilovol map = find_map(state->map, unitid, 0); 2633f0b5e634SDaniel Mack if (check_ignored_ctl(map)) 2634f0b5e634SDaniel Mack return 0; 2635f0b5e634SDaniel Mack 2636f0b5e634SDaniel Mack cval = kzalloc(sizeof(*cval), GFP_KERNEL); 2637a860d95fSDaniel Mack if (!cval) 2638f0b5e634SDaniel Mack return -ENOMEM; 26393360b84bSTakashi Iwai snd_usb_mixer_elem_init_std(&cval->head, state->mixer, unitid); 2640f0b5e634SDaniel Mack cval->val_type = USB_MIXER_U8; 2641f0b5e634SDaniel Mack cval->channels = 1; 2642f0b5e634SDaniel Mack cval->min = 1; 264399fc8645SDaniel Mack cval->max = desc->bNrInPins; 2644f0b5e634SDaniel Mack cval->res = 1; 2645f0b5e634SDaniel Mack cval->initialized = 1; 2646f0b5e634SDaniel Mack 2647c77e1ef1SJorge Sanjuan switch (state->mixer->protocol) { 2648c77e1ef1SJorge Sanjuan case UAC_VERSION_1: 2649c77e1ef1SJorge Sanjuan default: 265009414207SDaniel Mack cval->control = 0; 2651c77e1ef1SJorge Sanjuan break; 2652c77e1ef1SJorge Sanjuan case UAC_VERSION_2: 2653c77e1ef1SJorge Sanjuan case UAC_VERSION_3: 2654c77e1ef1SJorge Sanjuan if (desc->bDescriptorSubtype == UAC2_CLOCK_SELECTOR || 2655c77e1ef1SJorge Sanjuan desc->bDescriptorSubtype == UAC3_CLOCK_SELECTOR) 2656c77e1ef1SJorge Sanjuan cval->control = UAC2_CX_CLOCK_SELECTOR; 2657c77e1ef1SJorge Sanjuan else /* UAC2/3_SELECTOR_UNIT */ 2658c77e1ef1SJorge Sanjuan cval->control = UAC2_SU_SELECTOR; 2659c77e1ef1SJorge Sanjuan break; 2660c77e1ef1SJorge Sanjuan } 266109414207SDaniel Mack 266252c3e317STakashi Iwai namelist = kcalloc(desc->bNrInPins, sizeof(char *), GFP_KERNEL); 2663f0b5e634SDaniel Mack if (!namelist) { 266452c3e317STakashi Iwai err = -ENOMEM; 266552c3e317STakashi Iwai goto error_cval; 2666f0b5e634SDaniel Mack } 2667f0b5e634SDaniel Mack #define MAX_ITEM_NAME_LEN 64 266899fc8645SDaniel Mack for (i = 0; i < desc->bNrInPins; i++) { 2669f0b5e634SDaniel Mack struct usb_audio_term iterm; 2670f0b5e634SDaniel Mack len = 0; 2671f0b5e634SDaniel Mack namelist[i] = kmalloc(MAX_ITEM_NAME_LEN, GFP_KERNEL); 2672f0b5e634SDaniel Mack if (!namelist[i]) { 267352c3e317STakashi Iwai err = -ENOMEM; 267452c3e317STakashi Iwai goto error_name; 2675f0b5e634SDaniel Mack } 2676f0b5e634SDaniel Mack len = check_mapped_selector_name(state, unitid, i, namelist[i], 2677f0b5e634SDaniel Mack MAX_ITEM_NAME_LEN); 267899fc8645SDaniel Mack if (! len && check_input_term(state, desc->baSourceID[i], &iterm) >= 0) 2679eccfc1b8SRuslan Bilovol len = get_term_name(state->chip, &iterm, namelist[i], 2680eccfc1b8SRuslan Bilovol MAX_ITEM_NAME_LEN, 0); 2681f0b5e634SDaniel Mack if (! len) 2682af831eefSMasanari Iida sprintf(namelist[i], "Input %u", i); 2683f0b5e634SDaniel Mack } 2684f0b5e634SDaniel Mack 2685f0b5e634SDaniel Mack kctl = snd_ctl_new1(&mixer_selectunit_ctl, cval); 2686f0b5e634SDaniel Mack if (! kctl) { 26870ba41d91STakashi Iwai usb_audio_err(state->chip, "cannot malloc kcontrol\n"); 268852c3e317STakashi Iwai err = -ENOMEM; 268952c3e317STakashi Iwai goto error_name; 2690f0b5e634SDaniel Mack } 2691f0b5e634SDaniel Mack kctl->private_value = (unsigned long)namelist; 2692f0b5e634SDaniel Mack kctl->private_free = usb_mixer_selector_elem_free; 2693f0b5e634SDaniel Mack 26945a15f289STakashi Iwai /* check the static mapping table at first */ 2695f0b5e634SDaniel Mack len = check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name)); 26965a15f289STakashi Iwai if (!len) { 26975a15f289STakashi Iwai /* no mapping ? */ 2698c77e1ef1SJorge Sanjuan switch (state->mixer->protocol) { 2699c77e1ef1SJorge Sanjuan case UAC_VERSION_1: 2700c77e1ef1SJorge Sanjuan case UAC_VERSION_2: 2701c77e1ef1SJorge Sanjuan default: 27025a15f289STakashi Iwai /* if iSelector is given, use it */ 27035a15f289STakashi Iwai nameid = uac_selector_unit_iSelector(desc); 27045a15f289STakashi Iwai if (nameid) 2705c77e1ef1SJorge Sanjuan len = snd_usb_copy_string_desc(state->chip, 2706c77e1ef1SJorge Sanjuan nameid, kctl->id.name, 27076bc170e4SDaniel Mack sizeof(kctl->id.name)); 2708c77e1ef1SJorge Sanjuan break; 2709c77e1ef1SJorge Sanjuan case UAC_VERSION_3: 2710c77e1ef1SJorge Sanjuan /* TODO: Class-Specific strings not yet supported */ 2711c77e1ef1SJorge Sanjuan break; 2712c77e1ef1SJorge Sanjuan } 2713c77e1ef1SJorge Sanjuan 27145a15f289STakashi Iwai /* ... or pick up the terminal name at next */ 27155a15f289STakashi Iwai if (!len) 2716eccfc1b8SRuslan Bilovol len = get_term_name(state->chip, &state->oterm, 2717f0b5e634SDaniel Mack kctl->id.name, sizeof(kctl->id.name), 0); 27185a15f289STakashi Iwai /* ... or use the fixed string "USB" as the last resort */ 2719f0b5e634SDaniel Mack if (!len) 2720f0b5e634SDaniel Mack strlcpy(kctl->id.name, "USB", sizeof(kctl->id.name)); 2721f0b5e634SDaniel Mack 27225a15f289STakashi Iwai /* and add the proper suffix */ 2723c77e1ef1SJorge Sanjuan if (desc->bDescriptorSubtype == UAC2_CLOCK_SELECTOR || 2724c77e1ef1SJorge Sanjuan desc->bDescriptorSubtype == UAC3_CLOCK_SELECTOR) 272509414207SDaniel Mack append_ctl_name(kctl, " Clock Source"); 272609414207SDaniel Mack else if ((state->oterm.type & 0xff00) == 0x0100) 2727f0b5e634SDaniel Mack append_ctl_name(kctl, " Capture Source"); 2728f0b5e634SDaniel Mack else 2729f0b5e634SDaniel Mack append_ctl_name(kctl, " Playback Source"); 2730f0b5e634SDaniel Mack } 2731f0b5e634SDaniel Mack 27320ba41d91STakashi Iwai usb_audio_dbg(state->chip, "[%d] SU [%s] items = %d\n", 27333360b84bSTakashi Iwai cval->head.id, kctl->id.name, desc->bNrInPins); 27343360b84bSTakashi Iwai return snd_usb_mixer_add_control(&cval->head, kctl); 273552c3e317STakashi Iwai 273652c3e317STakashi Iwai error_name: 273752c3e317STakashi Iwai for (i = 0; i < desc->bNrInPins; i++) 273852c3e317STakashi Iwai kfree(namelist[i]); 273952c3e317STakashi Iwai kfree(namelist); 274052c3e317STakashi Iwai error_cval: 274152c3e317STakashi Iwai usb_mixer_elem_info_free(cval); 274252c3e317STakashi Iwai return err; 2743f0b5e634SDaniel Mack } 2744f0b5e634SDaniel Mack 2745f0b5e634SDaniel Mack /* 2746f0b5e634SDaniel Mack * parse an audio unit recursively 2747f0b5e634SDaniel Mack */ 2748f0b5e634SDaniel Mack 2749f0b5e634SDaniel Mack static int parse_audio_unit(struct mixer_build *state, int unitid) 2750f0b5e634SDaniel Mack { 2751f0b5e634SDaniel Mack unsigned char *p1; 27529a2fe9b8SRuslan Bilovol int protocol = state->mixer->protocol; 2753f0b5e634SDaniel Mack 2754f0b5e634SDaniel Mack if (test_and_set_bit(unitid, state->unitbitmap)) 2755f0b5e634SDaniel Mack return 0; /* the unit already visited */ 2756f0b5e634SDaniel Mack 2757f0b5e634SDaniel Mack p1 = find_audio_control_unit(state, unitid); 2758f0b5e634SDaniel Mack if (!p1) { 27590ba41d91STakashi Iwai usb_audio_err(state->chip, "unit %d not found!\n", unitid); 2760f0b5e634SDaniel Mack return -EINVAL; 2761f0b5e634SDaniel Mack } 2762f0b5e634SDaniel Mack 276357f87706STakashi Iwai if (!snd_usb_validate_audio_desc(p1, protocol)) { 276457f87706STakashi Iwai usb_audio_dbg(state->chip, "invalid unit %d\n", unitid); 276557f87706STakashi Iwai return 0; /* skip invalid unit */ 276657f87706STakashi Iwai } 276757f87706STakashi Iwai 276868e9fde2STakashi Iwai switch (PTYPE(protocol, p1[2])) { 276968e9fde2STakashi Iwai case PTYPE(UAC_VERSION_1, UAC_INPUT_TERMINAL): 277068e9fde2STakashi Iwai case PTYPE(UAC_VERSION_2, UAC_INPUT_TERMINAL): 277168e9fde2STakashi Iwai case PTYPE(UAC_VERSION_3, UAC_INPUT_TERMINAL): 27725a222e84SAndrew Chant return parse_audio_input_terminal(state, unitid, p1); 277368e9fde2STakashi Iwai case PTYPE(UAC_VERSION_1, UAC_MIXER_UNIT): 277468e9fde2STakashi Iwai case PTYPE(UAC_VERSION_2, UAC_MIXER_UNIT): 277568e9fde2STakashi Iwai case PTYPE(UAC_VERSION_3, UAC3_MIXER_UNIT): 2776f0b5e634SDaniel Mack return parse_audio_mixer_unit(state, unitid, p1); 277768e9fde2STakashi Iwai case PTYPE(UAC_VERSION_2, UAC2_CLOCK_SOURCE): 277868e9fde2STakashi Iwai case PTYPE(UAC_VERSION_3, UAC3_CLOCK_SOURCE): 2779cddaafb9SDaniel Mack return parse_clock_source_unit(state, unitid, p1); 278068e9fde2STakashi Iwai case PTYPE(UAC_VERSION_1, UAC_SELECTOR_UNIT): 278168e9fde2STakashi Iwai case PTYPE(UAC_VERSION_2, UAC_SELECTOR_UNIT): 278268e9fde2STakashi Iwai case PTYPE(UAC_VERSION_3, UAC3_SELECTOR_UNIT): 278368e9fde2STakashi Iwai case PTYPE(UAC_VERSION_2, UAC2_CLOCK_SELECTOR): 278468e9fde2STakashi Iwai case PTYPE(UAC_VERSION_3, UAC3_CLOCK_SELECTOR): 2785f0b5e634SDaniel Mack return parse_audio_selector_unit(state, unitid, p1); 278668e9fde2STakashi Iwai case PTYPE(UAC_VERSION_1, UAC_FEATURE_UNIT): 278768e9fde2STakashi Iwai case PTYPE(UAC_VERSION_2, UAC_FEATURE_UNIT): 278868e9fde2STakashi Iwai case PTYPE(UAC_VERSION_3, UAC3_FEATURE_UNIT): 2789f0b5e634SDaniel Mack return parse_audio_feature_unit(state, unitid, p1); 279068e9fde2STakashi Iwai case PTYPE(UAC_VERSION_1, UAC1_PROCESSING_UNIT): 279168e9fde2STakashi Iwai case PTYPE(UAC_VERSION_2, UAC2_PROCESSING_UNIT_V2): 279268e9fde2STakashi Iwai case PTYPE(UAC_VERSION_3, UAC3_PROCESSING_UNIT): 2793f0b5e634SDaniel Mack return parse_audio_processing_unit(state, unitid, p1); 279468e9fde2STakashi Iwai case PTYPE(UAC_VERSION_1, UAC1_EXTENSION_UNIT): 279568e9fde2STakashi Iwai case PTYPE(UAC_VERSION_2, UAC2_EXTENSION_UNIT_V2): 279668e9fde2STakashi Iwai case PTYPE(UAC_VERSION_3, UAC3_EXTENSION_UNIT): 279768e9fde2STakashi Iwai return parse_audio_extension_unit(state, unitid, p1); 279868e9fde2STakashi Iwai case PTYPE(UAC_VERSION_2, UAC2_EFFECT_UNIT): 279968e9fde2STakashi Iwai case PTYPE(UAC_VERSION_3, UAC3_EFFECT_UNIT): 280023caaf19SDaniel Mack return 0; /* FIXME - effect units not implemented yet */ 2801f0b5e634SDaniel Mack default: 28020ba41d91STakashi Iwai usb_audio_err(state->chip, 280368e9fde2STakashi Iwai "unit %u: unexpected type 0x%02x\n", 280468e9fde2STakashi Iwai unitid, p1[2]); 2805f0b5e634SDaniel Mack return -EINVAL; 2806f0b5e634SDaniel Mack } 2807f0b5e634SDaniel Mack } 2808f0b5e634SDaniel Mack 2809f0b5e634SDaniel Mack static void snd_usb_mixer_free(struct usb_mixer_interface *mixer) 2810f0b5e634SDaniel Mack { 2811124751d5STakashi Iwai /* kill pending URBs */ 2812124751d5STakashi Iwai snd_usb_mixer_disconnect(mixer); 2813124751d5STakashi Iwai 2814f0b5e634SDaniel Mack kfree(mixer->id_elems); 2815f0b5e634SDaniel Mack if (mixer->urb) { 2816f0b5e634SDaniel Mack kfree(mixer->urb->transfer_buffer); 2817f0b5e634SDaniel Mack usb_free_urb(mixer->urb); 2818f0b5e634SDaniel Mack } 2819f0b5e634SDaniel Mack usb_free_urb(mixer->rc_urb); 2820f0b5e634SDaniel Mack kfree(mixer->rc_setup_packet); 2821f0b5e634SDaniel Mack kfree(mixer); 2822f0b5e634SDaniel Mack } 2823f0b5e634SDaniel Mack 2824f0b5e634SDaniel Mack static int snd_usb_mixer_dev_free(struct snd_device *device) 2825f0b5e634SDaniel Mack { 2826f0b5e634SDaniel Mack struct usb_mixer_interface *mixer = device->device_data; 2827f0b5e634SDaniel Mack snd_usb_mixer_free(mixer); 2828f0b5e634SDaniel Mack return 0; 2829f0b5e634SDaniel Mack } 2830f0b5e634SDaniel Mack 283117156f23SRuslan Bilovol /* UAC3 predefined channels configuration */ 283217156f23SRuslan Bilovol struct uac3_badd_profile { 283317156f23SRuslan Bilovol int subclass; 283417156f23SRuslan Bilovol const char *name; 283517156f23SRuslan Bilovol int c_chmask; /* capture channels mask */ 283617156f23SRuslan Bilovol int p_chmask; /* playback channels mask */ 283717156f23SRuslan Bilovol int st_chmask; /* side tone mixing channel mask */ 283817156f23SRuslan Bilovol }; 283917156f23SRuslan Bilovol 2840a01df925STakashi Iwai static const struct uac3_badd_profile uac3_badd_profiles[] = { 284117156f23SRuslan Bilovol { 284217156f23SRuslan Bilovol /* 284317156f23SRuslan Bilovol * BAIF, BAOF or combination of both 284417156f23SRuslan Bilovol * IN: Mono or Stereo cfg, Mono alt possible 284517156f23SRuslan Bilovol * OUT: Mono or Stereo cfg, Mono alt possible 284617156f23SRuslan Bilovol */ 284717156f23SRuslan Bilovol .subclass = UAC3_FUNCTION_SUBCLASS_GENERIC_IO, 284817156f23SRuslan Bilovol .name = "GENERIC IO", 284917156f23SRuslan Bilovol .c_chmask = -1, /* dynamic channels */ 285017156f23SRuslan Bilovol .p_chmask = -1, /* dynamic channels */ 285117156f23SRuslan Bilovol }, 285217156f23SRuslan Bilovol { 285317156f23SRuslan Bilovol /* BAOF; Stereo only cfg, Mono alt possible */ 285417156f23SRuslan Bilovol .subclass = UAC3_FUNCTION_SUBCLASS_HEADPHONE, 285517156f23SRuslan Bilovol .name = "HEADPHONE", 285617156f23SRuslan Bilovol .p_chmask = 3, 285717156f23SRuslan Bilovol }, 285817156f23SRuslan Bilovol { 285917156f23SRuslan Bilovol /* BAOF; Mono or Stereo cfg, Mono alt possible */ 286017156f23SRuslan Bilovol .subclass = UAC3_FUNCTION_SUBCLASS_SPEAKER, 286117156f23SRuslan Bilovol .name = "SPEAKER", 286217156f23SRuslan Bilovol .p_chmask = -1, /* dynamic channels */ 286317156f23SRuslan Bilovol }, 286417156f23SRuslan Bilovol { 286517156f23SRuslan Bilovol /* BAIF; Mono or Stereo cfg, Mono alt possible */ 286617156f23SRuslan Bilovol .subclass = UAC3_FUNCTION_SUBCLASS_MICROPHONE, 286717156f23SRuslan Bilovol .name = "MICROPHONE", 286817156f23SRuslan Bilovol .c_chmask = -1, /* dynamic channels */ 286917156f23SRuslan Bilovol }, 287017156f23SRuslan Bilovol { 287117156f23SRuslan Bilovol /* 287217156f23SRuslan Bilovol * BAIOF topology 287317156f23SRuslan Bilovol * IN: Mono only 287417156f23SRuslan Bilovol * OUT: Mono or Stereo cfg, Mono alt possible 287517156f23SRuslan Bilovol */ 287617156f23SRuslan Bilovol .subclass = UAC3_FUNCTION_SUBCLASS_HEADSET, 287717156f23SRuslan Bilovol .name = "HEADSET", 287817156f23SRuslan Bilovol .c_chmask = 1, 287917156f23SRuslan Bilovol .p_chmask = -1, /* dynamic channels */ 288017156f23SRuslan Bilovol .st_chmask = 1, 288117156f23SRuslan Bilovol }, 288217156f23SRuslan Bilovol { 288317156f23SRuslan Bilovol /* BAIOF; IN: Mono only; OUT: Stereo only, Mono alt possible */ 288417156f23SRuslan Bilovol .subclass = UAC3_FUNCTION_SUBCLASS_HEADSET_ADAPTER, 288517156f23SRuslan Bilovol .name = "HEADSET ADAPTER", 288617156f23SRuslan Bilovol .c_chmask = 1, 288717156f23SRuslan Bilovol .p_chmask = 3, 288817156f23SRuslan Bilovol .st_chmask = 1, 288917156f23SRuslan Bilovol }, 289017156f23SRuslan Bilovol { 289117156f23SRuslan Bilovol /* BAIF + BAOF; IN: Mono only; OUT: Mono only */ 289217156f23SRuslan Bilovol .subclass = UAC3_FUNCTION_SUBCLASS_SPEAKERPHONE, 289317156f23SRuslan Bilovol .name = "SPEAKERPHONE", 289417156f23SRuslan Bilovol .c_chmask = 1, 289517156f23SRuslan Bilovol .p_chmask = 1, 289617156f23SRuslan Bilovol }, 289717156f23SRuslan Bilovol { 0 } /* terminator */ 289817156f23SRuslan Bilovol }; 289917156f23SRuslan Bilovol 290017156f23SRuslan Bilovol static bool uac3_badd_func_has_valid_channels(struct usb_mixer_interface *mixer, 2901a01df925STakashi Iwai const struct uac3_badd_profile *f, 290217156f23SRuslan Bilovol int c_chmask, int p_chmask) 290317156f23SRuslan Bilovol { 290417156f23SRuslan Bilovol /* 290517156f23SRuslan Bilovol * If both playback/capture channels are dynamic, make sure 290617156f23SRuslan Bilovol * at least one channel is present 290717156f23SRuslan Bilovol */ 290817156f23SRuslan Bilovol if (f->c_chmask < 0 && f->p_chmask < 0) { 290917156f23SRuslan Bilovol if (!c_chmask && !p_chmask) { 291017156f23SRuslan Bilovol usb_audio_warn(mixer->chip, "BAAD %s: no channels?", 291117156f23SRuslan Bilovol f->name); 291217156f23SRuslan Bilovol return false; 291317156f23SRuslan Bilovol } 291417156f23SRuslan Bilovol return true; 291517156f23SRuslan Bilovol } 291617156f23SRuslan Bilovol 291717156f23SRuslan Bilovol if ((f->c_chmask < 0 && !c_chmask) || 291817156f23SRuslan Bilovol (f->c_chmask >= 0 && f->c_chmask != c_chmask)) { 291917156f23SRuslan Bilovol usb_audio_warn(mixer->chip, "BAAD %s c_chmask mismatch", 292017156f23SRuslan Bilovol f->name); 292117156f23SRuslan Bilovol return false; 292217156f23SRuslan Bilovol } 292317156f23SRuslan Bilovol if ((f->p_chmask < 0 && !p_chmask) || 292417156f23SRuslan Bilovol (f->p_chmask >= 0 && f->p_chmask != p_chmask)) { 292517156f23SRuslan Bilovol usb_audio_warn(mixer->chip, "BAAD %s p_chmask mismatch", 292617156f23SRuslan Bilovol f->name); 292717156f23SRuslan Bilovol return false; 292817156f23SRuslan Bilovol } 292917156f23SRuslan Bilovol return true; 293017156f23SRuslan Bilovol } 293117156f23SRuslan Bilovol 293217156f23SRuslan Bilovol /* 293317156f23SRuslan Bilovol * create mixer controls for UAC3 BADD profiles 293417156f23SRuslan Bilovol * 293517156f23SRuslan Bilovol * UAC3 BADD device doesn't contain CS descriptors thus we will guess everything 293617156f23SRuslan Bilovol * 293717156f23SRuslan Bilovol * BADD device may contain Mixer Unit, which doesn't have any controls, skip it 293817156f23SRuslan Bilovol */ 293917156f23SRuslan Bilovol static int snd_usb_mixer_controls_badd(struct usb_mixer_interface *mixer, 294017156f23SRuslan Bilovol int ctrlif) 294117156f23SRuslan Bilovol { 294217156f23SRuslan Bilovol struct usb_device *dev = mixer->chip->dev; 294317156f23SRuslan Bilovol struct usb_interface_assoc_descriptor *assoc; 294417156f23SRuslan Bilovol int badd_profile = mixer->chip->badd_profile; 2945a01df925STakashi Iwai const struct uac3_badd_profile *f; 294617156f23SRuslan Bilovol const struct usbmix_ctl_map *map; 294717156f23SRuslan Bilovol int p_chmask = 0, c_chmask = 0, st_chmask = 0; 294817156f23SRuslan Bilovol int i; 294917156f23SRuslan Bilovol 295017156f23SRuslan Bilovol assoc = usb_ifnum_to_if(dev, ctrlif)->intf_assoc; 295117156f23SRuslan Bilovol 295217156f23SRuslan Bilovol /* Detect BADD capture/playback channels from AS EP descriptors */ 295317156f23SRuslan Bilovol for (i = 0; i < assoc->bInterfaceCount; i++) { 295417156f23SRuslan Bilovol int intf = assoc->bFirstInterface + i; 295517156f23SRuslan Bilovol 295617156f23SRuslan Bilovol struct usb_interface *iface; 295717156f23SRuslan Bilovol struct usb_host_interface *alts; 295817156f23SRuslan Bilovol struct usb_interface_descriptor *altsd; 295917156f23SRuslan Bilovol unsigned int maxpacksize; 296017156f23SRuslan Bilovol char dir_in; 296117156f23SRuslan Bilovol int chmask, num; 296217156f23SRuslan Bilovol 296317156f23SRuslan Bilovol if (intf == ctrlif) 296417156f23SRuslan Bilovol continue; 296517156f23SRuslan Bilovol 296617156f23SRuslan Bilovol iface = usb_ifnum_to_if(dev, intf); 29679435f2bbSTakashi Iwai if (!iface) 29689435f2bbSTakashi Iwai continue; 29699435f2bbSTakashi Iwai 297017156f23SRuslan Bilovol num = iface->num_altsetting; 297117156f23SRuslan Bilovol 297217156f23SRuslan Bilovol if (num < 2) 297317156f23SRuslan Bilovol return -EINVAL; 297417156f23SRuslan Bilovol 297517156f23SRuslan Bilovol /* 297617156f23SRuslan Bilovol * The number of Channels in an AudioStreaming interface 297717156f23SRuslan Bilovol * and the audio sample bit resolution (16 bits or 24 297817156f23SRuslan Bilovol * bits) can be derived from the wMaxPacketSize field in 297917156f23SRuslan Bilovol * the Standard AS Audio Data Endpoint descriptor in 298017156f23SRuslan Bilovol * Alternate Setting 1 298117156f23SRuslan Bilovol */ 298217156f23SRuslan Bilovol alts = &iface->altsetting[1]; 298317156f23SRuslan Bilovol altsd = get_iface_desc(alts); 298417156f23SRuslan Bilovol 298517156f23SRuslan Bilovol if (altsd->bNumEndpoints < 1) 298617156f23SRuslan Bilovol return -EINVAL; 298717156f23SRuslan Bilovol 298817156f23SRuslan Bilovol /* check direction */ 298917156f23SRuslan Bilovol dir_in = (get_endpoint(alts, 0)->bEndpointAddress & USB_DIR_IN); 299017156f23SRuslan Bilovol maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize); 299117156f23SRuslan Bilovol 299217156f23SRuslan Bilovol switch (maxpacksize) { 299317156f23SRuslan Bilovol default: 299417156f23SRuslan Bilovol usb_audio_err(mixer->chip, 299517156f23SRuslan Bilovol "incorrect wMaxPacketSize 0x%x for BADD profile\n", 299617156f23SRuslan Bilovol maxpacksize); 299717156f23SRuslan Bilovol return -EINVAL; 299817156f23SRuslan Bilovol case UAC3_BADD_EP_MAXPSIZE_SYNC_MONO_16: 299917156f23SRuslan Bilovol case UAC3_BADD_EP_MAXPSIZE_ASYNC_MONO_16: 300017156f23SRuslan Bilovol case UAC3_BADD_EP_MAXPSIZE_SYNC_MONO_24: 300117156f23SRuslan Bilovol case UAC3_BADD_EP_MAXPSIZE_ASYNC_MONO_24: 300217156f23SRuslan Bilovol chmask = 1; 300317156f23SRuslan Bilovol break; 300417156f23SRuslan Bilovol case UAC3_BADD_EP_MAXPSIZE_SYNC_STEREO_16: 300517156f23SRuslan Bilovol case UAC3_BADD_EP_MAXPSIZE_ASYNC_STEREO_16: 300617156f23SRuslan Bilovol case UAC3_BADD_EP_MAXPSIZE_SYNC_STEREO_24: 300717156f23SRuslan Bilovol case UAC3_BADD_EP_MAXPSIZE_ASYNC_STEREO_24: 300817156f23SRuslan Bilovol chmask = 3; 300917156f23SRuslan Bilovol break; 301017156f23SRuslan Bilovol } 301117156f23SRuslan Bilovol 301217156f23SRuslan Bilovol if (dir_in) 301317156f23SRuslan Bilovol c_chmask = chmask; 301417156f23SRuslan Bilovol else 301517156f23SRuslan Bilovol p_chmask = chmask; 301617156f23SRuslan Bilovol } 301717156f23SRuslan Bilovol 301817156f23SRuslan Bilovol usb_audio_dbg(mixer->chip, 301917156f23SRuslan Bilovol "UAC3 BADD profile 0x%x: detected c_chmask=%d p_chmask=%d\n", 302017156f23SRuslan Bilovol badd_profile, c_chmask, p_chmask); 302117156f23SRuslan Bilovol 302217156f23SRuslan Bilovol /* check the mapping table */ 302317156f23SRuslan Bilovol for (map = uac3_badd_usbmix_ctl_maps; map->id; map++) { 302417156f23SRuslan Bilovol if (map->id == badd_profile) 302517156f23SRuslan Bilovol break; 302617156f23SRuslan Bilovol } 302717156f23SRuslan Bilovol 302817156f23SRuslan Bilovol if (!map->id) 302917156f23SRuslan Bilovol return -EINVAL; 303017156f23SRuslan Bilovol 303117156f23SRuslan Bilovol for (f = uac3_badd_profiles; f->name; f++) { 303217156f23SRuslan Bilovol if (badd_profile == f->subclass) 303317156f23SRuslan Bilovol break; 303417156f23SRuslan Bilovol } 303517156f23SRuslan Bilovol if (!f->name) 303617156f23SRuslan Bilovol return -EINVAL; 303717156f23SRuslan Bilovol if (!uac3_badd_func_has_valid_channels(mixer, f, c_chmask, p_chmask)) 303817156f23SRuslan Bilovol return -EINVAL; 303917156f23SRuslan Bilovol st_chmask = f->st_chmask; 304017156f23SRuslan Bilovol 304117156f23SRuslan Bilovol /* Playback */ 304217156f23SRuslan Bilovol if (p_chmask) { 304317156f23SRuslan Bilovol /* Master channel, always writable */ 304417156f23SRuslan Bilovol build_feature_ctl_badd(mixer, 0, UAC_FU_MUTE, 304517156f23SRuslan Bilovol UAC3_BADD_FU_ID2, map->map); 304617156f23SRuslan Bilovol /* Mono/Stereo volume channels, always writable */ 304717156f23SRuslan Bilovol build_feature_ctl_badd(mixer, p_chmask, UAC_FU_VOLUME, 304817156f23SRuslan Bilovol UAC3_BADD_FU_ID2, map->map); 304917156f23SRuslan Bilovol } 305017156f23SRuslan Bilovol 305117156f23SRuslan Bilovol /* Capture */ 305217156f23SRuslan Bilovol if (c_chmask) { 305317156f23SRuslan Bilovol /* Master channel, always writable */ 305417156f23SRuslan Bilovol build_feature_ctl_badd(mixer, 0, UAC_FU_MUTE, 305517156f23SRuslan Bilovol UAC3_BADD_FU_ID5, map->map); 305617156f23SRuslan Bilovol /* Mono/Stereo volume channels, always writable */ 305717156f23SRuslan Bilovol build_feature_ctl_badd(mixer, c_chmask, UAC_FU_VOLUME, 305817156f23SRuslan Bilovol UAC3_BADD_FU_ID5, map->map); 305917156f23SRuslan Bilovol } 306017156f23SRuslan Bilovol 306117156f23SRuslan Bilovol /* Side tone-mixing */ 306217156f23SRuslan Bilovol if (st_chmask) { 306317156f23SRuslan Bilovol /* Master channel, always writable */ 306417156f23SRuslan Bilovol build_feature_ctl_badd(mixer, 0, UAC_FU_MUTE, 306517156f23SRuslan Bilovol UAC3_BADD_FU_ID7, map->map); 306617156f23SRuslan Bilovol /* Mono volume channel, always writable */ 306717156f23SRuslan Bilovol build_feature_ctl_badd(mixer, 1, UAC_FU_VOLUME, 306817156f23SRuslan Bilovol UAC3_BADD_FU_ID7, map->map); 306917156f23SRuslan Bilovol } 307017156f23SRuslan Bilovol 30713528cd8fSJorge Sanjuan /* Insertion Control */ 30723528cd8fSJorge Sanjuan if (f->subclass == UAC3_FUNCTION_SUBCLASS_HEADSET_ADAPTER) { 30733528cd8fSJorge Sanjuan struct usb_audio_term iterm, oterm; 30743528cd8fSJorge Sanjuan 30753528cd8fSJorge Sanjuan /* Input Term - Insertion control */ 30763528cd8fSJorge Sanjuan memset(&iterm, 0, sizeof(iterm)); 30773528cd8fSJorge Sanjuan iterm.id = UAC3_BADD_IT_ID4; 30783528cd8fSJorge Sanjuan iterm.type = UAC_BIDIR_TERMINAL_HEADSET; 3079934b9659STakashi Iwai build_connector_control(mixer, map->map, &iterm, true); 30803528cd8fSJorge Sanjuan 30813528cd8fSJorge Sanjuan /* Output Term - Insertion control */ 30823528cd8fSJorge Sanjuan memset(&oterm, 0, sizeof(oterm)); 30833528cd8fSJorge Sanjuan oterm.id = UAC3_BADD_OT_ID3; 30843528cd8fSJorge Sanjuan oterm.type = UAC_BIDIR_TERMINAL_HEADSET; 3085934b9659STakashi Iwai build_connector_control(mixer, map->map, &oterm, false); 30863528cd8fSJorge Sanjuan } 30873528cd8fSJorge Sanjuan 308817156f23SRuslan Bilovol return 0; 308917156f23SRuslan Bilovol } 309017156f23SRuslan Bilovol 3091f0b5e634SDaniel Mack /* 3092f0b5e634SDaniel Mack * create mixer controls 3093f0b5e634SDaniel Mack * 3094f0b5e634SDaniel Mack * walk through all UAC_OUTPUT_TERMINAL descriptors to search for mixers 3095f0b5e634SDaniel Mack */ 3096f0b5e634SDaniel Mack static int snd_usb_mixer_controls(struct usb_mixer_interface *mixer) 3097f0b5e634SDaniel Mack { 3098f0b5e634SDaniel Mack struct mixer_build state; 3099f0b5e634SDaniel Mack int err; 3100f0b5e634SDaniel Mack const struct usbmix_ctl_map *map; 310123caaf19SDaniel Mack void *p; 3102f0b5e634SDaniel Mack 3103f0b5e634SDaniel Mack memset(&state, 0, sizeof(state)); 3104f0b5e634SDaniel Mack state.chip = mixer->chip; 3105f0b5e634SDaniel Mack state.mixer = mixer; 31061faa5d07SDaniel Mack state.buffer = mixer->hostif->extra; 31071faa5d07SDaniel Mack state.buflen = mixer->hostif->extralen; 3108f0b5e634SDaniel Mack 3109f0b5e634SDaniel Mack /* check the mapping table */ 3110f0b5e634SDaniel Mack for (map = usbmix_ctl_maps; map->id; map++) { 3111f0b5e634SDaniel Mack if (map->id == state.chip->usb_id) { 3112f0b5e634SDaniel Mack state.map = map->map; 3113f0b5e634SDaniel Mack state.selector_map = map->selector_map; 31143507245bSTakashi Iwai mixer->ignore_ctl_error |= map->ignore_ctl_error; 3115f0b5e634SDaniel Mack break; 3116f0b5e634SDaniel Mack } 3117f0b5e634SDaniel Mack } 3118f0b5e634SDaniel Mack 311923caaf19SDaniel Mack p = NULL; 31206bc170e4SDaniel Mack while ((p = snd_usb_find_csint_desc(mixer->hostif->extra, 31216bc170e4SDaniel Mack mixer->hostif->extralen, 31221faa5d07SDaniel Mack p, UAC_OUTPUT_TERMINAL)) != NULL) { 312357f87706STakashi Iwai if (!snd_usb_validate_audio_desc(p, mixer->protocol)) 312457f87706STakashi Iwai continue; /* skip invalid descriptor */ 312557f87706STakashi Iwai 312623caaf19SDaniel Mack if (mixer->protocol == UAC_VERSION_1) { 312769da9bcbSDaniel Mack struct uac1_output_terminal_descriptor *desc = p; 312823caaf19SDaniel Mack 31296bc170e4SDaniel Mack /* mark terminal ID as visited */ 31306bc170e4SDaniel Mack set_bit(desc->bTerminalID, state.unitbitmap); 313123caaf19SDaniel Mack state.oterm.id = desc->bTerminalID; 313223caaf19SDaniel Mack state.oterm.type = le16_to_cpu(desc->wTerminalType); 313323caaf19SDaniel Mack state.oterm.name = desc->iTerminal; 313423caaf19SDaniel Mack err = parse_audio_unit(&state, desc->bSourceID); 313583ea5d18SDaniel Mack if (err < 0 && err != -EINVAL) 313623caaf19SDaniel Mack return err; 31379a2fe9b8SRuslan Bilovol } else if (mixer->protocol == UAC_VERSION_2) { 313823caaf19SDaniel Mack struct uac2_output_terminal_descriptor *desc = p; 313923caaf19SDaniel Mack 31406bc170e4SDaniel Mack /* mark terminal ID as visited */ 31416bc170e4SDaniel Mack set_bit(desc->bTerminalID, state.unitbitmap); 3142f0b5e634SDaniel Mack state.oterm.id = desc->bTerminalID; 3143f0b5e634SDaniel Mack state.oterm.type = le16_to_cpu(desc->wTerminalType); 3144f0b5e634SDaniel Mack state.oterm.name = desc->iTerminal; 3145f0b5e634SDaniel Mack err = parse_audio_unit(&state, desc->bSourceID); 314683ea5d18SDaniel Mack if (err < 0 && err != -EINVAL) 3147f0b5e634SDaniel Mack return err; 314809414207SDaniel Mack 31496bc170e4SDaniel Mack /* 31506bc170e4SDaniel Mack * For UAC2, use the same approach to also add the 31516bc170e4SDaniel Mack * clock selectors 31526bc170e4SDaniel Mack */ 315309414207SDaniel Mack err = parse_audio_unit(&state, desc->bCSourceID); 315483ea5d18SDaniel Mack if (err < 0 && err != -EINVAL) 315509414207SDaniel Mack return err; 31565a222e84SAndrew Chant 31577dc3c5a0STakashi Iwai if ((state.oterm.type & 0xff00) != 0x0100 && 31587dc3c5a0STakashi Iwai uac_v2v3_control_is_readable(le16_to_cpu(desc->bmControls), 31595a222e84SAndrew Chant UAC2_TE_CONNECTOR)) { 3160934b9659STakashi Iwai build_connector_control(state.mixer, state.map, 3161934b9659STakashi Iwai &state.oterm, false); 31625a222e84SAndrew Chant } 31639a2fe9b8SRuslan Bilovol } else { /* UAC_VERSION_3 */ 31649a2fe9b8SRuslan Bilovol struct uac3_output_terminal_descriptor *desc = p; 31659a2fe9b8SRuslan Bilovol 31669a2fe9b8SRuslan Bilovol /* mark terminal ID as visited */ 31679a2fe9b8SRuslan Bilovol set_bit(desc->bTerminalID, state.unitbitmap); 31689a2fe9b8SRuslan Bilovol state.oterm.id = desc->bTerminalID; 31699a2fe9b8SRuslan Bilovol state.oterm.type = le16_to_cpu(desc->wTerminalType); 31709a2fe9b8SRuslan Bilovol state.oterm.name = le16_to_cpu(desc->wTerminalDescrStr); 31719a2fe9b8SRuslan Bilovol err = parse_audio_unit(&state, desc->bSourceID); 31729a2fe9b8SRuslan Bilovol if (err < 0 && err != -EINVAL) 31739a2fe9b8SRuslan Bilovol return err; 31749a2fe9b8SRuslan Bilovol 31759a2fe9b8SRuslan Bilovol /* 31769a2fe9b8SRuslan Bilovol * For UAC3, use the same approach to also add the 31779a2fe9b8SRuslan Bilovol * clock selectors 31789a2fe9b8SRuslan Bilovol */ 31799a2fe9b8SRuslan Bilovol err = parse_audio_unit(&state, desc->bCSourceID); 31809a2fe9b8SRuslan Bilovol if (err < 0 && err != -EINVAL) 31819a2fe9b8SRuslan Bilovol return err; 31821d38f5d8SJorge Sanjuan 31837dc3c5a0STakashi Iwai if ((state.oterm.type & 0xff00) != 0x0100 && 31847dc3c5a0STakashi Iwai uac_v2v3_control_is_readable(le32_to_cpu(desc->bmControls), 31851d38f5d8SJorge Sanjuan UAC3_TE_INSERTION)) { 3186934b9659STakashi Iwai build_connector_control(state.mixer, state.map, 3187934b9659STakashi Iwai &state.oterm, false); 31881d38f5d8SJorge Sanjuan } 3189f0b5e634SDaniel Mack } 319023caaf19SDaniel Mack } 319123caaf19SDaniel Mack 3192f0b5e634SDaniel Mack return 0; 3193f0b5e634SDaniel Mack } 3194f0b5e634SDaniel Mack 3195f0b5e634SDaniel Mack void snd_usb_mixer_notify_id(struct usb_mixer_interface *mixer, int unitid) 3196f0b5e634SDaniel Mack { 31973360b84bSTakashi Iwai struct usb_mixer_elem_list *list; 3198f0b5e634SDaniel Mack 31998c558076STakashi Iwai for_each_mixer_elem(list, mixer, unitid) { 3200b2500b58SJulian Scheel struct usb_mixer_elem_info *info = 32018c558076STakashi Iwai mixer_elem_list_to_info(list); 3202b2500b58SJulian Scheel /* invalidate cache, so the value is read from the device */ 3203b2500b58SJulian Scheel info->cached = 0; 3204f0b5e634SDaniel Mack snd_ctl_notify(mixer->chip->card, SNDRV_CTL_EVENT_MASK_VALUE, 32053360b84bSTakashi Iwai &list->kctl->id); 3206f0b5e634SDaniel Mack } 3207b2500b58SJulian Scheel } 3208f0b5e634SDaniel Mack 3209f0b5e634SDaniel Mack static void snd_usb_mixer_dump_cval(struct snd_info_buffer *buffer, 32103360b84bSTakashi Iwai struct usb_mixer_elem_list *list) 3211f0b5e634SDaniel Mack { 32128c558076STakashi Iwai struct usb_mixer_elem_info *cval = mixer_elem_list_to_info(list); 3213a01df925STakashi Iwai static const char * const val_types[] = {"BOOLEAN", "INV_BOOLEAN", 3214f0b5e634SDaniel Mack "S8", "U8", "S16", "U16"}; 3215f0b5e634SDaniel Mack snd_iprintf(buffer, " Info: id=%i, control=%i, cmask=0x%x, " 32163360b84bSTakashi Iwai "channels=%i, type=\"%s\"\n", cval->head.id, 3217f0b5e634SDaniel Mack cval->control, cval->cmask, cval->channels, 3218f0b5e634SDaniel Mack val_types[cval->val_type]); 3219f0b5e634SDaniel Mack snd_iprintf(buffer, " Volume: min=%i, max=%i, dBmin=%i, dBmax=%i\n", 3220f0b5e634SDaniel Mack cval->min, cval->max, cval->dBmin, cval->dBmax); 3221f0b5e634SDaniel Mack } 3222f0b5e634SDaniel Mack 3223f0b5e634SDaniel Mack static void snd_usb_mixer_proc_read(struct snd_info_entry *entry, 3224f0b5e634SDaniel Mack struct snd_info_buffer *buffer) 3225f0b5e634SDaniel Mack { 3226f0b5e634SDaniel Mack struct snd_usb_audio *chip = entry->private_data; 3227f0b5e634SDaniel Mack struct usb_mixer_interface *mixer; 32283360b84bSTakashi Iwai struct usb_mixer_elem_list *list; 3229f0b5e634SDaniel Mack int unitid; 3230f0b5e634SDaniel Mack 3231f0b5e634SDaniel Mack list_for_each_entry(mixer, &chip->mixer_list, list) { 3232f0b5e634SDaniel Mack snd_iprintf(buffer, 3233f0b5e634SDaniel Mack "USB Mixer: usb_id=0x%08x, ctrlif=%i, ctlerr=%i\n", 32340aef31b7SChris Wulff chip->usb_id, mixer_ctrl_intf(mixer), 3235f0b5e634SDaniel Mack mixer->ignore_ctl_error); 3236f0b5e634SDaniel Mack snd_iprintf(buffer, "Card: %s\n", chip->card->longname); 3237f0b5e634SDaniel Mack for (unitid = 0; unitid < MAX_ID_ELEMS; unitid++) { 32388c558076STakashi Iwai for_each_mixer_elem(list, mixer, unitid) { 32393360b84bSTakashi Iwai snd_iprintf(buffer, " Unit: %i\n", list->id); 32403360b84bSTakashi Iwai if (list->kctl) 32413360b84bSTakashi Iwai snd_iprintf(buffer, 32423360b84bSTakashi Iwai " Control: name=\"%s\", index=%i\n", 32433360b84bSTakashi Iwai list->kctl->id.name, 32443360b84bSTakashi Iwai list->kctl->id.index); 32453360b84bSTakashi Iwai if (list->dump) 32463360b84bSTakashi Iwai list->dump(buffer, list); 32473360b84bSTakashi Iwai } 3248f0b5e634SDaniel Mack } 3249f0b5e634SDaniel Mack } 3250f0b5e634SDaniel Mack } 3251f0b5e634SDaniel Mack 3252e213e9cfSDaniel Mack static void snd_usb_mixer_interrupt_v2(struct usb_mixer_interface *mixer, 3253e213e9cfSDaniel Mack int attribute, int value, int index) 3254e213e9cfSDaniel Mack { 32553360b84bSTakashi Iwai struct usb_mixer_elem_list *list; 3256e213e9cfSDaniel Mack __u8 unitid = (index >> 8) & 0xff; 3257e213e9cfSDaniel Mack __u8 control = (value >> 8) & 0xff; 3258e213e9cfSDaniel Mack __u8 channel = value & 0xff; 3259191227d9SDaniel Mack unsigned int count = 0; 3260e213e9cfSDaniel Mack 3261e213e9cfSDaniel Mack if (channel >= MAX_CHANNELS) { 32620ba41d91STakashi Iwai usb_audio_dbg(mixer->chip, 32630ba41d91STakashi Iwai "%s(): bogus channel number %d\n", 3264e213e9cfSDaniel Mack __func__, channel); 3265e213e9cfSDaniel Mack return; 3266e213e9cfSDaniel Mack } 3267e213e9cfSDaniel Mack 32688c558076STakashi Iwai for_each_mixer_elem(list, mixer, unitid) 3269191227d9SDaniel Mack count++; 3270191227d9SDaniel Mack 3271191227d9SDaniel Mack if (count == 0) 3272191227d9SDaniel Mack return; 3273191227d9SDaniel Mack 32748c558076STakashi Iwai for_each_mixer_elem(list, mixer, unitid) { 32753360b84bSTakashi Iwai struct usb_mixer_elem_info *info; 32763360b84bSTakashi Iwai 32773360b84bSTakashi Iwai if (!list->kctl) 32783360b84bSTakashi Iwai continue; 32793360b84bSTakashi Iwai 32808c558076STakashi Iwai info = mixer_elem_list_to_info(list); 3281191227d9SDaniel Mack if (count > 1 && info->control != control) 3282e213e9cfSDaniel Mack continue; 3283e213e9cfSDaniel Mack 3284e213e9cfSDaniel Mack switch (attribute) { 3285e213e9cfSDaniel Mack case UAC2_CS_CUR: 3286e213e9cfSDaniel Mack /* invalidate cache, so the value is read from the device */ 3287e213e9cfSDaniel Mack if (channel) 3288e213e9cfSDaniel Mack info->cached &= ~(1 << channel); 3289e213e9cfSDaniel Mack else /* master channel */ 3290e213e9cfSDaniel Mack info->cached = 0; 3291e213e9cfSDaniel Mack 3292e213e9cfSDaniel Mack snd_ctl_notify(mixer->chip->card, SNDRV_CTL_EVENT_MASK_VALUE, 32933360b84bSTakashi Iwai &info->head.kctl->id); 3294e213e9cfSDaniel Mack break; 3295e213e9cfSDaniel Mack 3296e213e9cfSDaniel Mack case UAC2_CS_RANGE: 3297e213e9cfSDaniel Mack /* TODO */ 3298e213e9cfSDaniel Mack break; 3299e213e9cfSDaniel Mack 3300e213e9cfSDaniel Mack case UAC2_CS_MEM: 3301e213e9cfSDaniel Mack /* TODO */ 3302e213e9cfSDaniel Mack break; 3303e213e9cfSDaniel Mack 3304e213e9cfSDaniel Mack default: 33050ba41d91STakashi Iwai usb_audio_dbg(mixer->chip, 33060ba41d91STakashi Iwai "unknown attribute %d in interrupt\n", 3307e213e9cfSDaniel Mack attribute); 3308e213e9cfSDaniel Mack break; 3309e213e9cfSDaniel Mack } /* switch */ 3310e213e9cfSDaniel Mack } 3311e213e9cfSDaniel Mack } 3312e213e9cfSDaniel Mack 3313e213e9cfSDaniel Mack static void snd_usb_mixer_interrupt(struct urb *urb) 3314f0b5e634SDaniel Mack { 3315f0b5e634SDaniel Mack struct usb_mixer_interface *mixer = urb->context; 3316e213e9cfSDaniel Mack int len = urb->actual_length; 3317edf7de31SOliver Neukum int ustatus = urb->status; 3318f0b5e634SDaniel Mack 3319edf7de31SOliver Neukum if (ustatus != 0) 3320e213e9cfSDaniel Mack goto requeue; 3321f0b5e634SDaniel Mack 3322e213e9cfSDaniel Mack if (mixer->protocol == UAC_VERSION_1) { 3323e213e9cfSDaniel Mack struct uac1_status_word *status; 3324e213e9cfSDaniel Mack 3325e213e9cfSDaniel Mack for (status = urb->transfer_buffer; 3326e213e9cfSDaniel Mack len >= sizeof(*status); 3327e213e9cfSDaniel Mack len -= sizeof(*status), status++) { 33280ba41d91STakashi Iwai dev_dbg(&urb->dev->dev, "status interrupt: %02x %02x\n", 3329e213e9cfSDaniel Mack status->bStatusType, 3330e213e9cfSDaniel Mack status->bOriginator); 3331e213e9cfSDaniel Mack 3332f0b5e634SDaniel Mack /* ignore any notifications not from the control interface */ 3333e213e9cfSDaniel Mack if ((status->bStatusType & UAC1_STATUS_TYPE_ORIG_MASK) != 3334e213e9cfSDaniel Mack UAC1_STATUS_TYPE_ORIG_AUDIO_CONTROL_IF) 3335f0b5e634SDaniel Mack continue; 3336e213e9cfSDaniel Mack 3337e213e9cfSDaniel Mack if (status->bStatusType & UAC1_STATUS_TYPE_MEM_CHANGED) 3338e213e9cfSDaniel Mack snd_usb_mixer_rc_memory_change(mixer, status->bOriginator); 3339f0b5e634SDaniel Mack else 3340e213e9cfSDaniel Mack snd_usb_mixer_notify_id(mixer, status->bOriginator); 3341e213e9cfSDaniel Mack } 3342e213e9cfSDaniel Mack } else { /* UAC_VERSION_2 */ 3343e213e9cfSDaniel Mack struct uac2_interrupt_data_msg *msg; 3344e213e9cfSDaniel Mack 3345e213e9cfSDaniel Mack for (msg = urb->transfer_buffer; 3346e213e9cfSDaniel Mack len >= sizeof(*msg); 3347e213e9cfSDaniel Mack len -= sizeof(*msg), msg++) { 3348e213e9cfSDaniel Mack /* drop vendor specific and endpoint requests */ 3349e213e9cfSDaniel Mack if ((msg->bInfo & UAC2_INTERRUPT_DATA_MSG_VENDOR) || 3350e213e9cfSDaniel Mack (msg->bInfo & UAC2_INTERRUPT_DATA_MSG_EP)) 3351e213e9cfSDaniel Mack continue; 3352e213e9cfSDaniel Mack 3353e213e9cfSDaniel Mack snd_usb_mixer_interrupt_v2(mixer, msg->bAttribute, 3354e213e9cfSDaniel Mack le16_to_cpu(msg->wValue), 3355e213e9cfSDaniel Mack le16_to_cpu(msg->wIndex)); 3356f0b5e634SDaniel Mack } 3357f0b5e634SDaniel Mack } 3358e213e9cfSDaniel Mack 3359e213e9cfSDaniel Mack requeue: 33606bc170e4SDaniel Mack if (ustatus != -ENOENT && 33616bc170e4SDaniel Mack ustatus != -ECONNRESET && 33626bc170e4SDaniel Mack ustatus != -ESHUTDOWN) { 3363f0b5e634SDaniel Mack urb->dev = mixer->chip->dev; 3364f0b5e634SDaniel Mack usb_submit_urb(urb, GFP_ATOMIC); 3365f0b5e634SDaniel Mack } 3366f0b5e634SDaniel Mack } 3367f0b5e634SDaniel Mack 3368f0b5e634SDaniel Mack /* create the handler for the optional status interrupt endpoint */ 3369f0b5e634SDaniel Mack static int snd_usb_mixer_status_create(struct usb_mixer_interface *mixer) 3370f0b5e634SDaniel Mack { 3371f0b5e634SDaniel Mack struct usb_endpoint_descriptor *ep; 3372f0b5e634SDaniel Mack void *transfer_buffer; 3373f0b5e634SDaniel Mack int buffer_length; 3374f0b5e634SDaniel Mack unsigned int epnum; 3375f0b5e634SDaniel Mack 3376f0b5e634SDaniel Mack /* we need one interrupt input endpoint */ 33771faa5d07SDaniel Mack if (get_iface_desc(mixer->hostif)->bNumEndpoints < 1) 3378f0b5e634SDaniel Mack return 0; 33791faa5d07SDaniel Mack ep = get_endpoint(mixer->hostif, 0); 3380f0b5e634SDaniel Mack if (!usb_endpoint_dir_in(ep) || !usb_endpoint_xfer_int(ep)) 3381f0b5e634SDaniel Mack return 0; 3382f0b5e634SDaniel Mack 3383f0b5e634SDaniel Mack epnum = usb_endpoint_num(ep); 3384f0b5e634SDaniel Mack buffer_length = le16_to_cpu(ep->wMaxPacketSize); 3385f0b5e634SDaniel Mack transfer_buffer = kmalloc(buffer_length, GFP_KERNEL); 3386f0b5e634SDaniel Mack if (!transfer_buffer) 3387f0b5e634SDaniel Mack return -ENOMEM; 3388f0b5e634SDaniel Mack mixer->urb = usb_alloc_urb(0, GFP_KERNEL); 3389f0b5e634SDaniel Mack if (!mixer->urb) { 3390f0b5e634SDaniel Mack kfree(transfer_buffer); 3391f0b5e634SDaniel Mack return -ENOMEM; 3392f0b5e634SDaniel Mack } 3393f0b5e634SDaniel Mack usb_fill_int_urb(mixer->urb, mixer->chip->dev, 3394f0b5e634SDaniel Mack usb_rcvintpipe(mixer->chip->dev, epnum), 3395f0b5e634SDaniel Mack transfer_buffer, buffer_length, 3396e213e9cfSDaniel Mack snd_usb_mixer_interrupt, mixer, ep->bInterval); 3397f0b5e634SDaniel Mack usb_submit_urb(mixer->urb, GFP_KERNEL); 3398f0b5e634SDaniel Mack return 0; 3399f0b5e634SDaniel Mack } 3400f0b5e634SDaniel Mack 34014120fbedSTakashi Iwai static int keep_iface_ctl_get(struct snd_kcontrol *kcontrol, 34024120fbedSTakashi Iwai struct snd_ctl_elem_value *ucontrol) 34034120fbedSTakashi Iwai { 34044120fbedSTakashi Iwai struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol); 34054120fbedSTakashi Iwai 34064120fbedSTakashi Iwai ucontrol->value.integer.value[0] = mixer->chip->keep_iface; 34074120fbedSTakashi Iwai return 0; 34084120fbedSTakashi Iwai } 34094120fbedSTakashi Iwai 34104120fbedSTakashi Iwai static int keep_iface_ctl_put(struct snd_kcontrol *kcontrol, 34114120fbedSTakashi Iwai struct snd_ctl_elem_value *ucontrol) 34124120fbedSTakashi Iwai { 34134120fbedSTakashi Iwai struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol); 34144120fbedSTakashi Iwai bool keep_iface = !!ucontrol->value.integer.value[0]; 34154120fbedSTakashi Iwai 34164120fbedSTakashi Iwai if (mixer->chip->keep_iface == keep_iface) 34174120fbedSTakashi Iwai return 0; 34184120fbedSTakashi Iwai mixer->chip->keep_iface = keep_iface; 34194120fbedSTakashi Iwai return 1; 34204120fbedSTakashi Iwai } 34214120fbedSTakashi Iwai 34224120fbedSTakashi Iwai static const struct snd_kcontrol_new keep_iface_ctl = { 34234120fbedSTakashi Iwai .iface = SNDRV_CTL_ELEM_IFACE_CARD, 34244120fbedSTakashi Iwai .name = "Keep Interface", 34254120fbedSTakashi Iwai .info = snd_ctl_boolean_mono_info, 34264120fbedSTakashi Iwai .get = keep_iface_ctl_get, 34274120fbedSTakashi Iwai .put = keep_iface_ctl_put, 34284120fbedSTakashi Iwai }; 34294120fbedSTakashi Iwai 34304120fbedSTakashi Iwai static int create_keep_iface_ctl(struct usb_mixer_interface *mixer) 34314120fbedSTakashi Iwai { 34324120fbedSTakashi Iwai struct snd_kcontrol *kctl = snd_ctl_new1(&keep_iface_ctl, mixer); 34334120fbedSTakashi Iwai 34344120fbedSTakashi Iwai /* need only one control per card */ 34354120fbedSTakashi Iwai if (snd_ctl_find_id(mixer->chip->card, &kctl->id)) { 34364120fbedSTakashi Iwai snd_ctl_free_one(kctl); 34374120fbedSTakashi Iwai return 0; 34384120fbedSTakashi Iwai } 34394120fbedSTakashi Iwai 34404120fbedSTakashi Iwai return snd_ctl_add(mixer->chip->card, kctl); 34414120fbedSTakashi Iwai } 34424120fbedSTakashi Iwai 3443f0b5e634SDaniel Mack int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif, 3444f0b5e634SDaniel Mack int ignore_error) 3445f0b5e634SDaniel Mack { 3446c0a142e2STakashi Iwai static const struct snd_device_ops dev_ops = { 3447f0b5e634SDaniel Mack .dev_free = snd_usb_mixer_dev_free 3448f0b5e634SDaniel Mack }; 3449f0b5e634SDaniel Mack struct usb_mixer_interface *mixer; 345023caaf19SDaniel Mack int err; 3451f0b5e634SDaniel Mack 3452f0b5e634SDaniel Mack strcpy(chip->card->mixername, "USB Mixer"); 3453f0b5e634SDaniel Mack 3454f0b5e634SDaniel Mack mixer = kzalloc(sizeof(*mixer), GFP_KERNEL); 3455f0b5e634SDaniel Mack if (!mixer) 3456f0b5e634SDaniel Mack return -ENOMEM; 3457f0b5e634SDaniel Mack mixer->chip = chip; 3458f0b5e634SDaniel Mack mixer->ignore_ctl_error = ignore_error; 3459f0b5e634SDaniel Mack mixer->id_elems = kcalloc(MAX_ID_ELEMS, sizeof(*mixer->id_elems), 3460f0b5e634SDaniel Mack GFP_KERNEL); 3461f0b5e634SDaniel Mack if (!mixer->id_elems) { 3462f0b5e634SDaniel Mack kfree(mixer); 3463f0b5e634SDaniel Mack return -ENOMEM; 3464f0b5e634SDaniel Mack } 3465f0b5e634SDaniel Mack 34661faa5d07SDaniel Mack mixer->hostif = &usb_ifnum_to_if(chip->dev, ctrlif)->altsetting[0]; 34671faa5d07SDaniel Mack switch (get_iface_desc(mixer->hostif)->bInterfaceProtocol) { 3468a2acad82SClemens Ladisch case UAC_VERSION_1: 3469a2acad82SClemens Ladisch default: 3470a2acad82SClemens Ladisch mixer->protocol = UAC_VERSION_1; 3471a2acad82SClemens Ladisch break; 3472a2acad82SClemens Ladisch case UAC_VERSION_2: 3473a2acad82SClemens Ladisch mixer->protocol = UAC_VERSION_2; 3474a2acad82SClemens Ladisch break; 34759a2fe9b8SRuslan Bilovol case UAC_VERSION_3: 34769a2fe9b8SRuslan Bilovol mixer->protocol = UAC_VERSION_3; 34779a2fe9b8SRuslan Bilovol break; 3478a2acad82SClemens Ladisch } 3479f0b5e634SDaniel Mack 348017156f23SRuslan Bilovol if (mixer->protocol == UAC_VERSION_3 && 348117156f23SRuslan Bilovol chip->badd_profile >= UAC3_FUNCTION_SUBCLASS_GENERIC_IO) { 3482f25ecf8fSTakashi Iwai err = snd_usb_mixer_controls_badd(mixer, ctrlif); 3483f25ecf8fSTakashi Iwai if (err < 0) 3484f0b5e634SDaniel Mack goto _error; 3485f25ecf8fSTakashi Iwai } else { 3486f25ecf8fSTakashi Iwai err = snd_usb_mixer_controls(mixer); 3487f25ecf8fSTakashi Iwai if (err < 0) 3488f25ecf8fSTakashi Iwai goto _error; 3489ad6baae6SJorge Sanjuan } 3490ad6baae6SJorge Sanjuan 3491f25ecf8fSTakashi Iwai err = snd_usb_mixer_status_create(mixer); 3492f25ecf8fSTakashi Iwai if (err < 0) 349317156f23SRuslan Bilovol goto _error; 3494ad6baae6SJorge Sanjuan 34954120fbedSTakashi Iwai err = create_keep_iface_ctl(mixer); 34964120fbedSTakashi Iwai if (err < 0) 34974120fbedSTakashi Iwai goto _error; 3498f0b5e634SDaniel Mack 3499328e9f69STakashi Iwai err = snd_usb_mixer_apply_create_quirk(mixer); 3500328e9f69STakashi Iwai if (err < 0) 3501328e9f69STakashi Iwai goto _error; 3502f0b5e634SDaniel Mack 35039cbb2808STakashi Iwai err = snd_device_new(chip->card, SNDRV_DEV_CODEC, mixer, &dev_ops); 3504f0b5e634SDaniel Mack if (err < 0) 3505f0b5e634SDaniel Mack goto _error; 3506f0b5e634SDaniel Mack 35077449054aSTakashi Iwai if (list_empty(&chip->mixer_list)) 35087449054aSTakashi Iwai snd_card_ro_proc_new(chip->card, "usbmixer", chip, 35097449054aSTakashi Iwai snd_usb_mixer_proc_read); 3510f0b5e634SDaniel Mack 3511f0b5e634SDaniel Mack list_add(&mixer->list, &chip->mixer_list); 3512f0b5e634SDaniel Mack return 0; 3513f0b5e634SDaniel Mack 3514f0b5e634SDaniel Mack _error: 3515f0b5e634SDaniel Mack snd_usb_mixer_free(mixer); 3516f0b5e634SDaniel Mack return err; 3517f0b5e634SDaniel Mack } 3518f0b5e634SDaniel Mack 3519a6cece9dSTakashi Iwai void snd_usb_mixer_disconnect(struct usb_mixer_interface *mixer) 3520f0b5e634SDaniel Mack { 3521124751d5STakashi Iwai if (mixer->disconnected) 3522124751d5STakashi Iwai return; 3523124751d5STakashi Iwai if (mixer->urb) 3524f0b5e634SDaniel Mack usb_kill_urb(mixer->urb); 3525124751d5STakashi Iwai if (mixer->rc_urb) 3526f0b5e634SDaniel Mack usb_kill_urb(mixer->rc_urb); 35279e4d5c1bSGeoffrey D. Bennett if (mixer->private_free) 35289e4d5c1bSGeoffrey D. Bennett mixer->private_free(mixer); 3529124751d5STakashi Iwai mixer->disconnected = true; 3530f0b5e634SDaniel Mack } 3531400362f1STakashi Iwai 3532400362f1STakashi Iwai #ifdef CONFIG_PM 3533400362f1STakashi Iwai /* stop any bus activity of a mixer */ 3534400362f1STakashi Iwai static void snd_usb_mixer_inactivate(struct usb_mixer_interface *mixer) 3535400362f1STakashi Iwai { 3536400362f1STakashi Iwai usb_kill_urb(mixer->urb); 3537400362f1STakashi Iwai usb_kill_urb(mixer->rc_urb); 3538400362f1STakashi Iwai } 3539400362f1STakashi Iwai 3540400362f1STakashi Iwai static int snd_usb_mixer_activate(struct usb_mixer_interface *mixer) 3541400362f1STakashi Iwai { 3542400362f1STakashi Iwai int err; 3543400362f1STakashi Iwai 3544400362f1STakashi Iwai if (mixer->urb) { 3545400362f1STakashi Iwai err = usb_submit_urb(mixer->urb, GFP_NOIO); 3546400362f1STakashi Iwai if (err < 0) 3547400362f1STakashi Iwai return err; 3548400362f1STakashi Iwai } 3549400362f1STakashi Iwai 3550400362f1STakashi Iwai return 0; 3551400362f1STakashi Iwai } 3552400362f1STakashi Iwai 3553400362f1STakashi Iwai int snd_usb_mixer_suspend(struct usb_mixer_interface *mixer) 3554400362f1STakashi Iwai { 3555400362f1STakashi Iwai snd_usb_mixer_inactivate(mixer); 35569e4d5c1bSGeoffrey D. Bennett if (mixer->private_suspend) 35579e4d5c1bSGeoffrey D. Bennett mixer->private_suspend(mixer); 3558400362f1STakashi Iwai return 0; 3559400362f1STakashi Iwai } 3560400362f1STakashi Iwai 35613360b84bSTakashi Iwai static int restore_mixer_value(struct usb_mixer_elem_list *list) 3562400362f1STakashi Iwai { 35638c558076STakashi Iwai struct usb_mixer_elem_info *cval = mixer_elem_list_to_info(list); 3564400362f1STakashi Iwai int c, err, idx; 3565400362f1STakashi Iwai 3566400362f1STakashi Iwai if (cval->cmask) { 3567400362f1STakashi Iwai idx = 0; 3568400362f1STakashi Iwai for (c = 0; c < MAX_CHANNELS; c++) { 3569400362f1STakashi Iwai if (!(cval->cmask & (1 << c))) 3570400362f1STakashi Iwai continue; 35716aa6925cSYao-Wen Mao if (cval->cached & (1 << (c + 1))) { 3572eef90451SChris J Arges err = snd_usb_set_cur_mix_value(cval, c + 1, idx, 3573400362f1STakashi Iwai cval->cache_val[idx]); 3574400362f1STakashi Iwai if (err < 0) 3575400362f1STakashi Iwai return err; 3576400362f1STakashi Iwai } 3577400362f1STakashi Iwai idx++; 3578400362f1STakashi Iwai } 3579400362f1STakashi Iwai } else { 3580400362f1STakashi Iwai /* master */ 3581400362f1STakashi Iwai if (cval->cached) { 3582eef90451SChris J Arges err = snd_usb_set_cur_mix_value(cval, 0, 0, *cval->cache_val); 3583400362f1STakashi Iwai if (err < 0) 3584400362f1STakashi Iwai return err; 3585400362f1STakashi Iwai } 3586400362f1STakashi Iwai } 3587400362f1STakashi Iwai 3588400362f1STakashi Iwai return 0; 3589400362f1STakashi Iwai } 3590400362f1STakashi Iwai 3591400362f1STakashi Iwai int snd_usb_mixer_resume(struct usb_mixer_interface *mixer, bool reset_resume) 3592400362f1STakashi Iwai { 35933360b84bSTakashi Iwai struct usb_mixer_elem_list *list; 3594400362f1STakashi Iwai int id, err; 3595400362f1STakashi Iwai 3596400362f1STakashi Iwai if (reset_resume) { 3597400362f1STakashi Iwai /* restore cached mixer values */ 3598400362f1STakashi Iwai for (id = 0; id < MAX_ID_ELEMS; id++) { 35998c558076STakashi Iwai for_each_mixer_elem(list, mixer, id) { 36003360b84bSTakashi Iwai if (list->resume) { 36013360b84bSTakashi Iwai err = list->resume(list); 3602400362f1STakashi Iwai if (err < 0) 3603400362f1STakashi Iwai return err; 3604400362f1STakashi Iwai } 3605400362f1STakashi Iwai } 3606400362f1STakashi Iwai } 36073360b84bSTakashi Iwai } 3608400362f1STakashi Iwai 3609964af639STakashi Iwai snd_usb_mixer_resume_quirk(mixer); 3610964af639STakashi Iwai 3611400362f1STakashi Iwai return snd_usb_mixer_activate(mixer); 3612400362f1STakashi Iwai } 3613400362f1STakashi Iwai #endif 36143360b84bSTakashi Iwai 36153360b84bSTakashi Iwai void snd_usb_mixer_elem_init_std(struct usb_mixer_elem_list *list, 36163360b84bSTakashi Iwai struct usb_mixer_interface *mixer, 36173360b84bSTakashi Iwai int unitid) 36183360b84bSTakashi Iwai { 36193360b84bSTakashi Iwai list->mixer = mixer; 36203360b84bSTakashi Iwai list->id = unitid; 36213360b84bSTakashi Iwai list->dump = snd_usb_mixer_dump_cval; 36223360b84bSTakashi Iwai #ifdef CONFIG_PM 36233360b84bSTakashi Iwai list->resume = restore_mixer_value; 36243360b84bSTakashi Iwai #endif 36253360b84bSTakashi Iwai } 3626