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; 11854020d1ccSChris Chiu case USB_ID(0x0495, 0x3042): /* ESS Technology Asus USB DAC */ 11864020d1ccSChris Chiu if ((strstr(kctl->id.name, "Playback Volume") != NULL) || 11874020d1ccSChris Chiu strstr(kctl->id.name, "Capture Volume") != NULL) { 11884020d1ccSChris Chiu cval->min >>= 8; 11894020d1ccSChris Chiu cval->max = 0; 11904020d1ccSChris Chiu cval->res = 1; 11914020d1ccSChris Chiu } 11924020d1ccSChris Chiu break; 1193dcaaf9f2STakashi Iwai } 1194dcaaf9f2STakashi Iwai } 1195dcaaf9f2STakashi Iwai 1196f0b5e634SDaniel Mack /* 1197f0b5e634SDaniel Mack * retrieve the minimum and maximum values for the specified control 1198f0b5e634SDaniel Mack */ 1199dcaaf9f2STakashi Iwai static int get_min_max_with_quirks(struct usb_mixer_elem_info *cval, 1200dcaaf9f2STakashi Iwai int default_min, struct snd_kcontrol *kctl) 1201f0b5e634SDaniel Mack { 1202f0b5e634SDaniel Mack /* for failsafe */ 1203f0b5e634SDaniel Mack cval->min = default_min; 1204f0b5e634SDaniel Mack cval->max = cval->min + 1; 1205f0b5e634SDaniel Mack cval->res = 1; 1206f0b5e634SDaniel Mack cval->dBmin = cval->dBmax = 0; 1207f0b5e634SDaniel Mack 1208f0b5e634SDaniel Mack if (cval->val_type == USB_MIXER_BOOLEAN || 1209f0b5e634SDaniel Mack cval->val_type == USB_MIXER_INV_BOOLEAN) { 1210f0b5e634SDaniel Mack cval->initialized = 1; 1211f0b5e634SDaniel Mack } else { 1212f0b5e634SDaniel Mack int minchn = 0; 1213f0b5e634SDaniel Mack if (cval->cmask) { 1214f0b5e634SDaniel Mack int i; 1215f0b5e634SDaniel Mack for (i = 0; i < MAX_CHANNELS; i++) 1216f0b5e634SDaniel Mack if (cval->cmask & (1 << i)) { 1217f0b5e634SDaniel Mack minchn = i + 1; 1218f0b5e634SDaniel Mack break; 1219f0b5e634SDaniel Mack } 1220f0b5e634SDaniel Mack } 1221f0b5e634SDaniel Mack if (get_ctl_value(cval, UAC_GET_MAX, (cval->control << 8) | minchn, &cval->max) < 0 || 1222f0b5e634SDaniel Mack get_ctl_value(cval, UAC_GET_MIN, (cval->control << 8) | minchn, &cval->min) < 0) { 12233360b84bSTakashi Iwai usb_audio_err(cval->head.mixer->chip, 12240ba41d91STakashi Iwai "%d:%d: cannot get min/max values for control %d (id %d)\n", 12250aef31b7SChris Wulff cval->head.id, mixer_ctrl_intf(cval->head.mixer), 12263360b84bSTakashi Iwai cval->control, cval->head.id); 1227f0b5e634SDaniel Mack return -EINVAL; 1228f0b5e634SDaniel Mack } 12296bc170e4SDaniel Mack if (get_ctl_value(cval, UAC_GET_RES, 12306bc170e4SDaniel Mack (cval->control << 8) | minchn, 12316bc170e4SDaniel Mack &cval->res) < 0) { 1232f0b5e634SDaniel Mack cval->res = 1; 1233f0b5e634SDaniel Mack } else { 1234f0b5e634SDaniel Mack int last_valid_res = cval->res; 1235f0b5e634SDaniel Mack 1236f0b5e634SDaniel Mack while (cval->res > 1) { 1237f0b5e634SDaniel Mack if (snd_usb_mixer_set_ctl_value(cval, UAC_SET_RES, 12386bc170e4SDaniel Mack (cval->control << 8) | minchn, 12396bc170e4SDaniel Mack cval->res / 2) < 0) 1240f0b5e634SDaniel Mack break; 1241f0b5e634SDaniel Mack cval->res /= 2; 1242f0b5e634SDaniel Mack } 12436bc170e4SDaniel Mack if (get_ctl_value(cval, UAC_GET_RES, 12446bc170e4SDaniel Mack (cval->control << 8) | minchn, &cval->res) < 0) 1245f0b5e634SDaniel Mack cval->res = last_valid_res; 1246f0b5e634SDaniel Mack } 1247f0b5e634SDaniel Mack if (cval->res == 0) 1248f0b5e634SDaniel Mack cval->res = 1; 1249f0b5e634SDaniel Mack 1250f0b5e634SDaniel Mack /* Additional checks for the proper resolution 1251f0b5e634SDaniel Mack * 1252f0b5e634SDaniel Mack * Some devices report smaller resolutions than actually 1253f0b5e634SDaniel Mack * reacting. They don't return errors but simply clip 1254f0b5e634SDaniel Mack * to the lower aligned value. 1255f0b5e634SDaniel Mack */ 1256f0b5e634SDaniel Mack if (cval->min + cval->res < cval->max) { 1257f0b5e634SDaniel Mack int last_valid_res = cval->res; 1258f0b5e634SDaniel Mack int saved, test, check; 1259167beb17STakashi Iwai if (get_cur_mix_raw(cval, minchn, &saved) < 0) 1260167beb17STakashi Iwai goto no_res_check; 1261f0b5e634SDaniel Mack for (;;) { 1262f0b5e634SDaniel Mack test = saved; 1263f0b5e634SDaniel Mack if (test < cval->max) 1264f0b5e634SDaniel Mack test += cval->res; 1265f0b5e634SDaniel Mack else 1266f0b5e634SDaniel Mack test -= cval->res; 1267f0b5e634SDaniel Mack if (test < cval->min || test > cval->max || 1268eef90451SChris J Arges snd_usb_set_cur_mix_value(cval, minchn, 0, test) || 1269f0b5e634SDaniel Mack get_cur_mix_raw(cval, minchn, &check)) { 1270f0b5e634SDaniel Mack cval->res = last_valid_res; 1271f0b5e634SDaniel Mack break; 1272f0b5e634SDaniel Mack } 1273f0b5e634SDaniel Mack if (test == check) 1274f0b5e634SDaniel Mack break; 1275f0b5e634SDaniel Mack cval->res *= 2; 1276f0b5e634SDaniel Mack } 1277eef90451SChris J Arges snd_usb_set_cur_mix_value(cval, minchn, 0, saved); 1278f0b5e634SDaniel Mack } 1279f0b5e634SDaniel Mack 1280167beb17STakashi Iwai no_res_check: 1281f0b5e634SDaniel Mack cval->initialized = 1; 1282f0b5e634SDaniel Mack } 1283f0b5e634SDaniel Mack 1284dcaaf9f2STakashi Iwai if (kctl) 1285dcaaf9f2STakashi Iwai volume_control_quirks(cval, kctl); 1286dcaaf9f2STakashi Iwai 1287f0b5e634SDaniel Mack /* USB descriptions contain the dB scale in 1/256 dB unit 1288f0b5e634SDaniel Mack * while ALSA TLV contains in 1/100 dB unit 1289f0b5e634SDaniel Mack */ 1290f0b5e634SDaniel Mack cval->dBmin = (convert_signed_value(cval, cval->min) * 100) / 256; 1291f0b5e634SDaniel Mack cval->dBmax = (convert_signed_value(cval, cval->max) * 100) / 256; 1292f0b5e634SDaniel Mack if (cval->dBmin > cval->dBmax) { 1293f0b5e634SDaniel Mack /* something is wrong; assume it's either from/to 0dB */ 1294f0b5e634SDaniel Mack if (cval->dBmin < 0) 1295f0b5e634SDaniel Mack cval->dBmax = 0; 1296f0b5e634SDaniel Mack else if (cval->dBmin > 0) 1297f0b5e634SDaniel Mack cval->dBmin = 0; 1298f0b5e634SDaniel Mack if (cval->dBmin > cval->dBmax) { 1299f0b5e634SDaniel Mack /* totally crap, return an error */ 1300f0b5e634SDaniel Mack return -EINVAL; 1301f0b5e634SDaniel Mack } 1302f0b5e634SDaniel Mack } 1303f0b5e634SDaniel Mack 1304f0b5e634SDaniel Mack return 0; 1305f0b5e634SDaniel Mack } 1306f0b5e634SDaniel Mack 1307dcaaf9f2STakashi Iwai #define get_min_max(cval, def) get_min_max_with_quirks(cval, def, NULL) 1308f0b5e634SDaniel Mack 1309f0b5e634SDaniel Mack /* get a feature/mixer unit info */ 13106bc170e4SDaniel Mack static int mixer_ctl_feature_info(struct snd_kcontrol *kcontrol, 13116bc170e4SDaniel Mack struct snd_ctl_elem_info *uinfo) 1312f0b5e634SDaniel Mack { 1313f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval = kcontrol->private_data; 1314f0b5e634SDaniel Mack 1315f0b5e634SDaniel Mack if (cval->val_type == USB_MIXER_BOOLEAN || 1316f0b5e634SDaniel Mack cval->val_type == USB_MIXER_INV_BOOLEAN) 1317f0b5e634SDaniel Mack uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 1318f0b5e634SDaniel Mack else 1319f0b5e634SDaniel Mack uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 1320f0b5e634SDaniel Mack uinfo->count = cval->channels; 1321f0b5e634SDaniel Mack if (cval->val_type == USB_MIXER_BOOLEAN || 1322f0b5e634SDaniel Mack cval->val_type == USB_MIXER_INV_BOOLEAN) { 1323f0b5e634SDaniel Mack uinfo->value.integer.min = 0; 1324f0b5e634SDaniel Mack uinfo->value.integer.max = 1; 1325f0b5e634SDaniel Mack } else { 13269fcd0ab1STakashi Iwai if (!cval->initialized) { 1327dcaaf9f2STakashi Iwai get_min_max_with_quirks(cval, 0, kcontrol); 13289fcd0ab1STakashi Iwai if (cval->initialized && cval->dBmin >= cval->dBmax) { 13299fcd0ab1STakashi Iwai kcontrol->vd[0].access &= 13309fcd0ab1STakashi Iwai ~(SNDRV_CTL_ELEM_ACCESS_TLV_READ | 13319fcd0ab1STakashi Iwai SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK); 13323360b84bSTakashi Iwai snd_ctl_notify(cval->head.mixer->chip->card, 13339fcd0ab1STakashi Iwai SNDRV_CTL_EVENT_MASK_INFO, 13349fcd0ab1STakashi Iwai &kcontrol->id); 13359fcd0ab1STakashi Iwai } 13369fcd0ab1STakashi Iwai } 1337f0b5e634SDaniel Mack uinfo->value.integer.min = 0; 1338f0b5e634SDaniel Mack uinfo->value.integer.max = 1339f0b5e634SDaniel Mack (cval->max - cval->min + cval->res - 1) / cval->res; 1340f0b5e634SDaniel Mack } 1341f0b5e634SDaniel Mack return 0; 1342f0b5e634SDaniel Mack } 1343f0b5e634SDaniel Mack 1344f0b5e634SDaniel Mack /* get the current value from feature/mixer unit */ 13456bc170e4SDaniel Mack static int mixer_ctl_feature_get(struct snd_kcontrol *kcontrol, 13466bc170e4SDaniel Mack struct snd_ctl_elem_value *ucontrol) 1347f0b5e634SDaniel Mack { 1348f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval = kcontrol->private_data; 1349f0b5e634SDaniel Mack int c, cnt, val, err; 1350f0b5e634SDaniel Mack 1351f0b5e634SDaniel Mack ucontrol->value.integer.value[0] = cval->min; 1352f0b5e634SDaniel Mack if (cval->cmask) { 1353f0b5e634SDaniel Mack cnt = 0; 1354f0b5e634SDaniel Mack for (c = 0; c < MAX_CHANNELS; c++) { 1355f0b5e634SDaniel Mack if (!(cval->cmask & (1 << c))) 1356f0b5e634SDaniel Mack continue; 1357eef90451SChris J Arges err = snd_usb_get_cur_mix_value(cval, c + 1, cnt, &val); 1358f0b5e634SDaniel Mack if (err < 0) 13595aeee342STakashi Iwai return filter_error(cval, err); 1360f0b5e634SDaniel Mack val = get_relative_value(cval, val); 1361f0b5e634SDaniel Mack ucontrol->value.integer.value[cnt] = val; 1362f0b5e634SDaniel Mack cnt++; 1363f0b5e634SDaniel Mack } 1364f0b5e634SDaniel Mack return 0; 1365f0b5e634SDaniel Mack } else { 1366f0b5e634SDaniel Mack /* master channel */ 1367eef90451SChris J Arges err = snd_usb_get_cur_mix_value(cval, 0, 0, &val); 1368f0b5e634SDaniel Mack if (err < 0) 13695aeee342STakashi Iwai return filter_error(cval, err); 1370f0b5e634SDaniel Mack val = get_relative_value(cval, val); 1371f0b5e634SDaniel Mack ucontrol->value.integer.value[0] = val; 1372f0b5e634SDaniel Mack } 1373f0b5e634SDaniel Mack return 0; 1374f0b5e634SDaniel Mack } 1375f0b5e634SDaniel Mack 1376f0b5e634SDaniel Mack /* put the current value to feature/mixer unit */ 13776bc170e4SDaniel Mack static int mixer_ctl_feature_put(struct snd_kcontrol *kcontrol, 13786bc170e4SDaniel Mack struct snd_ctl_elem_value *ucontrol) 1379f0b5e634SDaniel Mack { 1380f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval = kcontrol->private_data; 1381f0b5e634SDaniel Mack int c, cnt, val, oval, err; 1382f0b5e634SDaniel Mack int changed = 0; 1383f0b5e634SDaniel Mack 1384f0b5e634SDaniel Mack if (cval->cmask) { 1385f0b5e634SDaniel Mack cnt = 0; 1386f0b5e634SDaniel Mack for (c = 0; c < MAX_CHANNELS; c++) { 1387f0b5e634SDaniel Mack if (!(cval->cmask & (1 << c))) 1388f0b5e634SDaniel Mack continue; 1389eef90451SChris J Arges err = snd_usb_get_cur_mix_value(cval, c + 1, cnt, &oval); 1390f0b5e634SDaniel Mack if (err < 0) 13915aeee342STakashi Iwai return filter_error(cval, err); 1392f0b5e634SDaniel Mack val = ucontrol->value.integer.value[cnt]; 1393f0b5e634SDaniel Mack val = get_abs_value(cval, val); 1394f0b5e634SDaniel Mack if (oval != val) { 1395eef90451SChris J Arges snd_usb_set_cur_mix_value(cval, c + 1, cnt, val); 1396f0b5e634SDaniel Mack changed = 1; 1397f0b5e634SDaniel Mack } 1398f0b5e634SDaniel Mack cnt++; 1399f0b5e634SDaniel Mack } 1400f0b5e634SDaniel Mack } else { 1401f0b5e634SDaniel Mack /* master channel */ 1402eef90451SChris J Arges err = snd_usb_get_cur_mix_value(cval, 0, 0, &oval); 1403f0b5e634SDaniel Mack if (err < 0) 14045aeee342STakashi Iwai return filter_error(cval, err); 1405f0b5e634SDaniel Mack val = ucontrol->value.integer.value[0]; 1406f0b5e634SDaniel Mack val = get_abs_value(cval, val); 1407f0b5e634SDaniel Mack if (val != oval) { 1408eef90451SChris J Arges snd_usb_set_cur_mix_value(cval, 0, 0, val); 1409f0b5e634SDaniel Mack changed = 1; 1410f0b5e634SDaniel Mack } 1411f0b5e634SDaniel Mack } 1412f0b5e634SDaniel Mack return changed; 1413f0b5e634SDaniel Mack } 1414f0b5e634SDaniel Mack 1415568fa7e0SAndrew Chant /* get the boolean value from the master channel of a UAC control */ 1416568fa7e0SAndrew Chant static int mixer_ctl_master_bool_get(struct snd_kcontrol *kcontrol, 14175a222e84SAndrew Chant struct snd_ctl_elem_value *ucontrol) 14185a222e84SAndrew Chant { 14195a222e84SAndrew Chant struct usb_mixer_elem_info *cval = kcontrol->private_data; 14205a222e84SAndrew Chant int val, err; 14215a222e84SAndrew Chant 14225a222e84SAndrew Chant err = snd_usb_get_cur_mix_value(cval, 0, 0, &val); 14235a222e84SAndrew Chant if (err < 0) 14245a222e84SAndrew Chant return filter_error(cval, err); 14255a222e84SAndrew Chant val = (val != 0); 14265a222e84SAndrew Chant ucontrol->value.integer.value[0] = val; 14275a222e84SAndrew Chant return 0; 14285a222e84SAndrew Chant } 14295a222e84SAndrew Chant 14301d38f5d8SJorge Sanjuan /* get the connectors status and report it as boolean type */ 14311d38f5d8SJorge Sanjuan static int mixer_ctl_connector_get(struct snd_kcontrol *kcontrol, 14321d38f5d8SJorge Sanjuan struct snd_ctl_elem_value *ucontrol) 14331d38f5d8SJorge Sanjuan { 14341d38f5d8SJorge Sanjuan struct usb_mixer_elem_info *cval = kcontrol->private_data; 14351d38f5d8SJorge Sanjuan struct snd_usb_audio *chip = cval->head.mixer->chip; 14361d38f5d8SJorge Sanjuan int idx = 0, validx, ret, val; 14371d38f5d8SJorge Sanjuan 14381d38f5d8SJorge Sanjuan validx = cval->control << 8 | 0; 14391d38f5d8SJorge Sanjuan 14401d38f5d8SJorge Sanjuan ret = snd_usb_lock_shutdown(chip) ? -EIO : 0; 14411d38f5d8SJorge Sanjuan if (ret) 14421d38f5d8SJorge Sanjuan goto error; 14431d38f5d8SJorge Sanjuan 14440aef31b7SChris Wulff idx = mixer_ctrl_intf(cval->head.mixer) | (cval->head.id << 8); 14451d38f5d8SJorge Sanjuan if (cval->head.mixer->protocol == UAC_VERSION_2) { 14461d38f5d8SJorge Sanjuan struct uac2_connectors_ctl_blk uac2_conn; 14471d38f5d8SJorge Sanjuan 14481d38f5d8SJorge Sanjuan ret = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), UAC2_CS_CUR, 14491d38f5d8SJorge Sanjuan USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, 14501d38f5d8SJorge Sanjuan validx, idx, &uac2_conn, sizeof(uac2_conn)); 14511d38f5d8SJorge Sanjuan val = !!uac2_conn.bNrChannels; 14521d38f5d8SJorge Sanjuan } else { /* UAC_VERSION_3 */ 14531d38f5d8SJorge Sanjuan struct uac3_insertion_ctl_blk uac3_conn; 14541d38f5d8SJorge Sanjuan 14551d38f5d8SJorge Sanjuan ret = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), UAC2_CS_CUR, 14561d38f5d8SJorge Sanjuan USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, 14571d38f5d8SJorge Sanjuan validx, idx, &uac3_conn, sizeof(uac3_conn)); 14581d38f5d8SJorge Sanjuan val = !!uac3_conn.bmConInserted; 14591d38f5d8SJorge Sanjuan } 14601d38f5d8SJorge Sanjuan 14611d38f5d8SJorge Sanjuan snd_usb_unlock_shutdown(chip); 14621d38f5d8SJorge Sanjuan 14631d38f5d8SJorge Sanjuan if (ret < 0) { 14641d38f5d8SJorge Sanjuan error: 14651d38f5d8SJorge Sanjuan usb_audio_err(chip, 14661d38f5d8SJorge Sanjuan "cannot get connectors status: req = %#x, wValue = %#x, wIndex = %#x, type = %d\n", 14671d38f5d8SJorge Sanjuan UAC_GET_CUR, validx, idx, cval->val_type); 146848cc4297STakashi Iwai return filter_error(cval, ret); 14691d38f5d8SJorge Sanjuan } 14701d38f5d8SJorge Sanjuan 14711d38f5d8SJorge Sanjuan ucontrol->value.integer.value[0] = val; 14721d38f5d8SJorge Sanjuan return 0; 14731d38f5d8SJorge Sanjuan } 14741d38f5d8SJorge Sanjuan 1475195727e8STakashi Iwai static const struct snd_kcontrol_new usb_feature_unit_ctl = { 1476f0b5e634SDaniel Mack .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1477f0b5e634SDaniel Mack .name = "", /* will be filled later manually */ 1478f0b5e634SDaniel Mack .info = mixer_ctl_feature_info, 1479f0b5e634SDaniel Mack .get = mixer_ctl_feature_get, 1480f0b5e634SDaniel Mack .put = mixer_ctl_feature_put, 1481f0b5e634SDaniel Mack }; 1482f0b5e634SDaniel Mack 148323caaf19SDaniel Mack /* the read-only variant */ 14848fdaebbbSBhumika Goyal static const struct snd_kcontrol_new usb_feature_unit_ctl_ro = { 148523caaf19SDaniel Mack .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 148623caaf19SDaniel Mack .name = "", /* will be filled later manually */ 148723caaf19SDaniel Mack .info = mixer_ctl_feature_info, 148823caaf19SDaniel Mack .get = mixer_ctl_feature_get, 148923caaf19SDaniel Mack .put = NULL, 149023caaf19SDaniel Mack }; 149123caaf19SDaniel Mack 1492568fa7e0SAndrew Chant /* 1493568fa7e0SAndrew Chant * A control which shows the boolean value from reading a UAC control on 1494568fa7e0SAndrew Chant * the master channel. 1495568fa7e0SAndrew Chant */ 1496195727e8STakashi Iwai static const struct snd_kcontrol_new usb_bool_master_control_ctl_ro = { 14975a222e84SAndrew Chant .iface = SNDRV_CTL_ELEM_IFACE_CARD, 14985a222e84SAndrew Chant .name = "", /* will be filled later manually */ 14995a222e84SAndrew Chant .access = SNDRV_CTL_ELEM_ACCESS_READ, 15005a222e84SAndrew Chant .info = snd_ctl_boolean_mono_info, 1501568fa7e0SAndrew Chant .get = mixer_ctl_master_bool_get, 15025a222e84SAndrew Chant .put = NULL, 15035a222e84SAndrew Chant }; 15045a222e84SAndrew Chant 15051d38f5d8SJorge Sanjuan static const struct snd_kcontrol_new usb_connector_ctl_ro = { 15061d38f5d8SJorge Sanjuan .iface = SNDRV_CTL_ELEM_IFACE_CARD, 15071d38f5d8SJorge Sanjuan .name = "", /* will be filled later manually */ 15081d38f5d8SJorge Sanjuan .access = SNDRV_CTL_ELEM_ACCESS_READ, 15091d38f5d8SJorge Sanjuan .info = snd_ctl_boolean_mono_info, 15101d38f5d8SJorge Sanjuan .get = mixer_ctl_connector_get, 15111d38f5d8SJorge Sanjuan .put = NULL, 15121d38f5d8SJorge Sanjuan }; 15131d38f5d8SJorge Sanjuan 15146bc170e4SDaniel Mack /* 15156bc170e4SDaniel Mack * This symbol is exported in order to allow the mixer quirks to 15166bc170e4SDaniel Mack * hook up to the standard feature unit control mechanism 15176bc170e4SDaniel Mack */ 1518195727e8STakashi Iwai const struct snd_kcontrol_new *snd_usb_feature_unit_ctl = &usb_feature_unit_ctl; 1519f0b5e634SDaniel Mack 1520f0b5e634SDaniel Mack /* 1521f0b5e634SDaniel Mack * build a feature control 1522f0b5e634SDaniel Mack */ 1523f0b5e634SDaniel Mack static size_t append_ctl_name(struct snd_kcontrol *kctl, const char *str) 1524f0b5e634SDaniel Mack { 1525f0b5e634SDaniel Mack return strlcat(kctl->id.name, str, sizeof(kctl->id.name)); 1526f0b5e634SDaniel Mack } 1527f0b5e634SDaniel Mack 15286bc170e4SDaniel Mack /* 15296bc170e4SDaniel Mack * A lot of headsets/headphones have a "Speaker" mixer. Make sure we 15306bc170e4SDaniel Mack * rename it to "Headphone". We determine if something is a headphone 15316bc170e4SDaniel Mack * similar to how udev determines form factor. 15326bc170e4SDaniel Mack */ 15339b4ef977SDavid Henningsson static void check_no_speaker_on_headset(struct snd_kcontrol *kctl, 15349b4ef977SDavid Henningsson struct snd_card *card) 15359b4ef977SDavid Henningsson { 15369b4ef977SDavid Henningsson const char *names_to_check[] = { 15379b4ef977SDavid Henningsson "Headset", "headset", "Headphone", "headphone", NULL}; 15389b4ef977SDavid Henningsson const char **s; 1539e0f17c75SPeter Senna Tschudin bool found = false; 15409b4ef977SDavid Henningsson 15419b4ef977SDavid Henningsson if (strcmp("Speaker", kctl->id.name)) 15429b4ef977SDavid Henningsson return; 15439b4ef977SDavid Henningsson 15449b4ef977SDavid Henningsson for (s = names_to_check; *s; s++) 15459b4ef977SDavid Henningsson if (strstr(card->shortname, *s)) { 1546e0f17c75SPeter Senna Tschudin found = true; 15479b4ef977SDavid Henningsson break; 15489b4ef977SDavid Henningsson } 15499b4ef977SDavid Henningsson 15509b4ef977SDavid Henningsson if (!found) 15519b4ef977SDavid Henningsson return; 15529b4ef977SDavid Henningsson 15539b4ef977SDavid Henningsson strlcpy(kctl->id.name, "Headphone", sizeof(kctl->id.name)); 15549b4ef977SDavid Henningsson } 15559b4ef977SDavid Henningsson 1556a01df925STakashi Iwai static const struct usb_feature_control_info *get_feature_control_info(int control) 155721e9b3e9SAndrew Chant { 155821e9b3e9SAndrew Chant int i; 155921e9b3e9SAndrew Chant 156021e9b3e9SAndrew Chant for (i = 0; i < ARRAY_SIZE(audio_feature_info); ++i) { 156121e9b3e9SAndrew Chant if (audio_feature_info[i].control == control) 156221e9b3e9SAndrew Chant return &audio_feature_info[i]; 156321e9b3e9SAndrew Chant } 156421e9b3e9SAndrew Chant return NULL; 156521e9b3e9SAndrew Chant } 156621e9b3e9SAndrew Chant 156717156f23SRuslan Bilovol static void __build_feature_ctl(struct usb_mixer_interface *mixer, 156817156f23SRuslan Bilovol const struct usbmix_name_map *imap, 1569f0b5e634SDaniel Mack unsigned int ctl_mask, int control, 157017156f23SRuslan Bilovol struct usb_audio_term *iterm, 157117156f23SRuslan Bilovol struct usb_audio_term *oterm, 157217156f23SRuslan Bilovol int unitid, int nameid, int readonly_mask) 1573f0b5e634SDaniel Mack { 1574a01df925STakashi Iwai const struct usb_feature_control_info *ctl_info; 1575f0b5e634SDaniel Mack unsigned int len = 0; 1576f0b5e634SDaniel Mack int mapped_name = 0; 1577f0b5e634SDaniel Mack struct snd_kcontrol *kctl; 1578f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval; 1579f0b5e634SDaniel Mack const struct usbmix_name_map *map; 158080acefffSAlexey Fisher unsigned int range; 1581f0b5e634SDaniel Mack 158265f25da4SDaniel Mack if (control == UAC_FU_GRAPHIC_EQUALIZER) { 1583f0b5e634SDaniel Mack /* FIXME: not supported yet */ 1584f0b5e634SDaniel Mack return; 1585f0b5e634SDaniel Mack } 1586f0b5e634SDaniel Mack 158717156f23SRuslan Bilovol map = find_map(imap, unitid, control); 1588f0b5e634SDaniel Mack if (check_ignored_ctl(map)) 1589f0b5e634SDaniel Mack return; 1590f0b5e634SDaniel Mack 1591f0b5e634SDaniel Mack cval = kzalloc(sizeof(*cval), GFP_KERNEL); 1592a860d95fSDaniel Mack if (!cval) 1593f0b5e634SDaniel Mack return; 159417156f23SRuslan Bilovol snd_usb_mixer_elem_init_std(&cval->head, mixer, unitid); 1595f0b5e634SDaniel Mack cval->control = control; 1596f0b5e634SDaniel Mack cval->cmask = ctl_mask; 159721e9b3e9SAndrew Chant 159821e9b3e9SAndrew Chant ctl_info = get_feature_control_info(control); 159962376025SColin Ian King if (!ctl_info) { 160052c3e317STakashi Iwai usb_mixer_elem_info_free(cval); 160121e9b3e9SAndrew Chant return; 160262376025SColin Ian King } 160317156f23SRuslan Bilovol if (mixer->protocol == UAC_VERSION_1) 1604bc18e31cSJulian Scheel cval->val_type = ctl_info->type; 1605bc18e31cSJulian Scheel else /* UAC_VERSION_2 */ 1606bc18e31cSJulian Scheel cval->val_type = ctl_info->type_uac2 >= 0 ? 1607bc18e31cSJulian Scheel ctl_info->type_uac2 : ctl_info->type; 1608bc18e31cSJulian Scheel 1609a6a33259SDaniel Mack if (ctl_mask == 0) { 1610f0b5e634SDaniel Mack cval->channels = 1; /* master channel */ 1611a6a33259SDaniel Mack cval->master_readonly = readonly_mask; 1612a6a33259SDaniel Mack } else { 1613f0b5e634SDaniel Mack int i, c = 0; 1614f0b5e634SDaniel Mack for (i = 0; i < 16; i++) 1615f0b5e634SDaniel Mack if (ctl_mask & (1 << i)) 1616f0b5e634SDaniel Mack c++; 1617f0b5e634SDaniel Mack cval->channels = c; 1618a6a33259SDaniel Mack cval->ch_readonly = readonly_mask; 1619f0b5e634SDaniel Mack } 1620f0b5e634SDaniel Mack 16216bc170e4SDaniel Mack /* 16226bc170e4SDaniel Mack * If all channels in the mask are marked read-only, make the control 1623eef90451SChris J Arges * read-only. snd_usb_set_cur_mix_value() will check the mask again and won't 16246bc170e4SDaniel Mack * issue write commands to read-only channels. 16256bc170e4SDaniel Mack */ 1626a6a33259SDaniel Mack if (cval->channels == readonly_mask) 162723caaf19SDaniel Mack kctl = snd_ctl_new1(&usb_feature_unit_ctl_ro, cval); 162823caaf19SDaniel Mack else 1629f0b5e634SDaniel Mack kctl = snd_ctl_new1(&usb_feature_unit_ctl, cval); 163023caaf19SDaniel Mack 1631f0b5e634SDaniel Mack if (!kctl) { 163217156f23SRuslan Bilovol usb_audio_err(mixer->chip, "cannot malloc kcontrol\n"); 163352c3e317STakashi Iwai usb_mixer_elem_info_free(cval); 1634f0b5e634SDaniel Mack return; 1635f0b5e634SDaniel Mack } 1636eef90451SChris J Arges kctl->private_free = snd_usb_mixer_elem_free; 1637f0b5e634SDaniel Mack 1638f0b5e634SDaniel Mack len = check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name)); 1639f0b5e634SDaniel Mack mapped_name = len != 0; 1640f0b5e634SDaniel Mack if (!len && nameid) 164117156f23SRuslan Bilovol len = snd_usb_copy_string_desc(mixer->chip, nameid, 1642f0b5e634SDaniel Mack kctl->id.name, sizeof(kctl->id.name)); 1643f0b5e634SDaniel Mack 1644f0b5e634SDaniel Mack switch (control) { 164565f25da4SDaniel Mack case UAC_FU_MUTE: 164665f25da4SDaniel Mack case UAC_FU_VOLUME: 16476bc170e4SDaniel Mack /* 16486bc170e4SDaniel Mack * determine the control name. the rule is: 1649f0b5e634SDaniel Mack * - if a name id is given in descriptor, use it. 1650f0b5e634SDaniel Mack * - if the connected input can be determined, then use the name 1651f0b5e634SDaniel Mack * of terminal type. 1652f0b5e634SDaniel Mack * - if the connected output can be determined, use it. 1653f0b5e634SDaniel Mack * - otherwise, anonymous name. 1654f0b5e634SDaniel Mack */ 1655f0b5e634SDaniel Mack if (!len) { 165617156f23SRuslan Bilovol if (iterm) 165717156f23SRuslan Bilovol len = get_term_name(mixer->chip, iterm, 165817156f23SRuslan Bilovol kctl->id.name, 16596bc170e4SDaniel Mack sizeof(kctl->id.name), 1); 166017156f23SRuslan Bilovol if (!len && oterm) 166117156f23SRuslan Bilovol len = get_term_name(mixer->chip, oterm, 16626bc170e4SDaniel Mack kctl->id.name, 16636bc170e4SDaniel Mack sizeof(kctl->id.name), 1); 1664f0b5e634SDaniel Mack if (!len) 166549fd46d2SDaniel Mack snprintf(kctl->id.name, sizeof(kctl->id.name), 1666f0b5e634SDaniel Mack "Feature %d", unitid); 1667f0b5e634SDaniel Mack } 16689b4ef977SDavid Henningsson 16699b4ef977SDavid Henningsson if (!mapped_name) 167017156f23SRuslan Bilovol check_no_speaker_on_headset(kctl, mixer->chip->card); 16719b4ef977SDavid Henningsson 16726bc170e4SDaniel Mack /* 16736bc170e4SDaniel Mack * determine the stream direction: 1674f0b5e634SDaniel Mack * if the connected output is USB stream, then it's likely a 1675f0b5e634SDaniel Mack * capture stream. otherwise it should be playback (hopefully :) 1676f0b5e634SDaniel Mack */ 167717156f23SRuslan Bilovol if (!mapped_name && oterm && !(oterm->type >> 16)) { 167817156f23SRuslan Bilovol if ((oterm->type & 0xff00) == 0x0100) 167949fd46d2SDaniel Mack append_ctl_name(kctl, " Capture"); 16806bc170e4SDaniel Mack else 168149fd46d2SDaniel Mack append_ctl_name(kctl, " Playback"); 1682f0b5e634SDaniel Mack } 168365f25da4SDaniel Mack append_ctl_name(kctl, control == UAC_FU_MUTE ? 1684f0b5e634SDaniel Mack " Switch" : " Volume"); 1685e182534dSTakashi Iwai break; 1686e182534dSTakashi Iwai default: 1687e182534dSTakashi Iwai if (!len) 1688e182534dSTakashi Iwai strlcpy(kctl->id.name, audio_feature_info[control-1].name, 1689e182534dSTakashi Iwai sizeof(kctl->id.name)); 1690e182534dSTakashi Iwai break; 1691e182534dSTakashi Iwai } 1692e182534dSTakashi Iwai 1693e182534dSTakashi Iwai /* get min/max values */ 1694e182534dSTakashi Iwai get_min_max_with_quirks(cval, 0, kctl); 1695e182534dSTakashi Iwai 1696e9a0ef0bSTakashi Iwai /* skip a bogus volume range */ 1697e9a0ef0bSTakashi Iwai if (cval->max <= cval->min) { 1698e9a0ef0bSTakashi Iwai usb_audio_dbg(mixer->chip, 1699e9a0ef0bSTakashi Iwai "[%d] FU [%s] skipped due to invalid volume\n", 1700e9a0ef0bSTakashi Iwai cval->head.id, kctl->id.name); 1701e9a0ef0bSTakashi Iwai snd_ctl_free_one(kctl); 1702e9a0ef0bSTakashi Iwai return; 1703e9a0ef0bSTakashi Iwai } 1704e9a0ef0bSTakashi Iwai 1705e9a0ef0bSTakashi Iwai 170665f25da4SDaniel Mack if (control == UAC_FU_VOLUME) { 170759bb7f0eSTakashi Iwai check_mapped_dB(map, cval); 170838b65190STakashi Iwai if (cval->dBmin < cval->dBmax || !cval->initialized) { 1709285de9c0SFelix Homann kctl->tlv.c = snd_usb_mixer_vol_tlv; 1710f0b5e634SDaniel Mack kctl->vd[0].access |= 1711f0b5e634SDaniel Mack SNDRV_CTL_ELEM_ACCESS_TLV_READ | 1712f0b5e634SDaniel Mack SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK; 171359bb7f0eSTakashi Iwai } 1714f0b5e634SDaniel Mack } 1715f0b5e634SDaniel Mack 171617156f23SRuslan Bilovol snd_usb_mixer_fu_apply_quirk(mixer, cval, unitid, kctl); 171742e3121dSAnssi Hannula 171880acefffSAlexey Fisher range = (cval->max - cval->min) / cval->res; 17196bc170e4SDaniel Mack /* 17206bc170e4SDaniel Mack * Are there devices with volume range more than 255? I use a bit more 172180acefffSAlexey Fisher * to be sure. 384 is a resolution magic number found on Logitech 172280acefffSAlexey Fisher * devices. It will definitively catch all buggy Logitech devices. 172380acefffSAlexey Fisher */ 172480acefffSAlexey Fisher if (range > 384) { 172517156f23SRuslan Bilovol usb_audio_warn(mixer->chip, 172682c1cf0aSMichał Mirosław "Warning! Unlikely big volume range (=%u), cval->res is probably wrong.", 172780acefffSAlexey Fisher range); 172817156f23SRuslan Bilovol usb_audio_warn(mixer->chip, 172982c1cf0aSMichał Mirosław "[%d] FU [%s] ch = %d, val = %d/%d/%d", 17303360b84bSTakashi Iwai cval->head.id, kctl->id.name, cval->channels, 173180acefffSAlexey Fisher cval->min, cval->max, cval->res); 173280acefffSAlexey Fisher } 173380acefffSAlexey Fisher 173417156f23SRuslan Bilovol usb_audio_dbg(mixer->chip, "[%d] FU [%s] ch = %d, val = %d/%d/%d\n", 17353360b84bSTakashi Iwai cval->head.id, kctl->id.name, cval->channels, 17366bc170e4SDaniel Mack cval->min, cval->max, cval->res); 17373360b84bSTakashi Iwai snd_usb_mixer_add_control(&cval->head, kctl); 1738f0b5e634SDaniel Mack } 1739f0b5e634SDaniel Mack 174017156f23SRuslan Bilovol static void build_feature_ctl(struct mixer_build *state, void *raw_desc, 174117156f23SRuslan Bilovol unsigned int ctl_mask, int control, 174217156f23SRuslan Bilovol struct usb_audio_term *iterm, int unitid, 174317156f23SRuslan Bilovol int readonly_mask) 174417156f23SRuslan Bilovol { 174517156f23SRuslan Bilovol struct uac_feature_unit_descriptor *desc = raw_desc; 174617156f23SRuslan Bilovol int nameid = uac_feature_unit_iFeature(desc); 174717156f23SRuslan Bilovol 174817156f23SRuslan Bilovol __build_feature_ctl(state->mixer, state->map, ctl_mask, control, 174917156f23SRuslan Bilovol iterm, &state->oterm, unitid, nameid, readonly_mask); 175017156f23SRuslan Bilovol } 175117156f23SRuslan Bilovol 175217156f23SRuslan Bilovol static void build_feature_ctl_badd(struct usb_mixer_interface *mixer, 175317156f23SRuslan Bilovol unsigned int ctl_mask, int control, int unitid, 175417156f23SRuslan Bilovol const struct usbmix_name_map *badd_map) 175517156f23SRuslan Bilovol { 175617156f23SRuslan Bilovol __build_feature_ctl(mixer, badd_map, ctl_mask, control, 175717156f23SRuslan Bilovol NULL, NULL, unitid, 0, 0); 175817156f23SRuslan Bilovol } 175917156f23SRuslan Bilovol 1760167e1fb1SJorge Sanjuan static void get_connector_control_name(struct usb_mixer_interface *mixer, 17615a222e84SAndrew Chant struct usb_audio_term *term, 17625a222e84SAndrew Chant bool is_input, char *name, int name_size) 17635a222e84SAndrew Chant { 1764167e1fb1SJorge Sanjuan int name_len = get_term_name(mixer->chip, term, name, name_size, 0); 17655a222e84SAndrew Chant 17665a222e84SAndrew Chant if (name_len == 0) 17675a222e84SAndrew Chant strlcpy(name, "Unknown", name_size); 17685a222e84SAndrew Chant 17695a222e84SAndrew Chant /* 17705a222e84SAndrew Chant * sound/core/ctljack.c has a convention of naming jack controls 17715a222e84SAndrew Chant * by ending in " Jack". Make it slightly more useful by 17725a222e84SAndrew Chant * indicating Input or Output after the terminal name. 17735a222e84SAndrew Chant */ 17745a222e84SAndrew Chant if (is_input) 17755a222e84SAndrew Chant strlcat(name, " - Input Jack", name_size); 17765a222e84SAndrew Chant else 17775a222e84SAndrew Chant strlcat(name, " - Output Jack", name_size); 17785a222e84SAndrew Chant } 17795a222e84SAndrew Chant 17805a222e84SAndrew Chant /* Build a mixer control for a UAC connector control (jack-detect) */ 1781167e1fb1SJorge Sanjuan static void build_connector_control(struct usb_mixer_interface *mixer, 1782934b9659STakashi Iwai const struct usbmix_name_map *imap, 17835a222e84SAndrew Chant struct usb_audio_term *term, bool is_input) 17845a222e84SAndrew Chant { 17855a222e84SAndrew Chant struct snd_kcontrol *kctl; 17865a222e84SAndrew Chant struct usb_mixer_elem_info *cval; 1787a43c1c41STakashi Iwai const struct usbmix_name_map *map; 17885a222e84SAndrew Chant 1789a43c1c41STakashi Iwai map = find_map(imap, term->id, 0); 1790a43c1c41STakashi Iwai if (check_ignored_ctl(map)) 1791934b9659STakashi Iwai return; 1792934b9659STakashi Iwai 17935a222e84SAndrew Chant cval = kzalloc(sizeof(*cval), GFP_KERNEL); 17945a222e84SAndrew Chant if (!cval) 17955a222e84SAndrew Chant return; 1796167e1fb1SJorge Sanjuan snd_usb_mixer_elem_init_std(&cval->head, mixer, term->id); 1797568fa7e0SAndrew Chant /* 17981d38f5d8SJorge Sanjuan * UAC2: The first byte from reading the UAC2_TE_CONNECTOR control returns the 17991d38f5d8SJorge Sanjuan * number of channels connected. 18001d38f5d8SJorge Sanjuan * 18011d38f5d8SJorge Sanjuan * UAC3: The first byte specifies size of bitmap for the inserted controls. The 18021d38f5d8SJorge Sanjuan * following byte(s) specifies which connectors are inserted. 18031d38f5d8SJorge Sanjuan * 18041d38f5d8SJorge Sanjuan * This boolean ctl will simply report if any channels are connected 18051d38f5d8SJorge Sanjuan * or not. 1806568fa7e0SAndrew Chant */ 1807167e1fb1SJorge Sanjuan if (mixer->protocol == UAC_VERSION_2) 18085a222e84SAndrew Chant cval->control = UAC2_TE_CONNECTOR; 18091d38f5d8SJorge Sanjuan else /* UAC_VERSION_3 */ 18101d38f5d8SJorge Sanjuan cval->control = UAC3_TE_INSERTION; 18111d38f5d8SJorge Sanjuan 18125a222e84SAndrew Chant cval->val_type = USB_MIXER_BOOLEAN; 18135a222e84SAndrew Chant cval->channels = 1; /* report true if any channel is connected */ 18145a222e84SAndrew Chant cval->min = 0; 18155a222e84SAndrew Chant cval->max = 1; 18161d38f5d8SJorge Sanjuan kctl = snd_ctl_new1(&usb_connector_ctl_ro, cval); 18175a222e84SAndrew Chant if (!kctl) { 1818167e1fb1SJorge Sanjuan usb_audio_err(mixer->chip, "cannot malloc kcontrol\n"); 181952c3e317STakashi Iwai usb_mixer_elem_info_free(cval); 18205a222e84SAndrew Chant return; 18215a222e84SAndrew Chant } 1822a43c1c41STakashi Iwai 1823a43c1c41STakashi Iwai if (check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name))) 1824a43c1c41STakashi Iwai strlcat(kctl->id.name, " Jack", sizeof(kctl->id.name)); 1825a43c1c41STakashi Iwai else 1826167e1fb1SJorge Sanjuan get_connector_control_name(mixer, term, is_input, kctl->id.name, 18275a222e84SAndrew Chant sizeof(kctl->id.name)); 18285a222e84SAndrew Chant kctl->private_free = snd_usb_mixer_elem_free; 18295a222e84SAndrew Chant snd_usb_mixer_add_control(&cval->head, kctl); 18305a222e84SAndrew Chant } 18315a222e84SAndrew Chant 1832cddaafb9SDaniel Mack static int parse_clock_source_unit(struct mixer_build *state, int unitid, 1833cddaafb9SDaniel Mack void *_ftr) 1834cddaafb9SDaniel Mack { 1835cddaafb9SDaniel Mack struct uac_clock_source_descriptor *hdr = _ftr; 1836cddaafb9SDaniel Mack struct usb_mixer_elem_info *cval; 1837cddaafb9SDaniel Mack struct snd_kcontrol *kctl; 1838cddaafb9SDaniel Mack char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 1839cddaafb9SDaniel Mack int ret; 1840cddaafb9SDaniel Mack 1841cddaafb9SDaniel Mack if (state->mixer->protocol != UAC_VERSION_2) 1842cddaafb9SDaniel Mack return -EINVAL; 1843cddaafb9SDaniel Mack 1844cddaafb9SDaniel Mack /* 1845cddaafb9SDaniel Mack * The only property of this unit we are interested in is the 1846cddaafb9SDaniel Mack * clock source validity. If that isn't readable, just bail out. 1847cddaafb9SDaniel Mack */ 18489a2fe9b8SRuslan Bilovol if (!uac_v2v3_control_is_readable(hdr->bmControls, 184921e9b3e9SAndrew Chant UAC2_CS_CONTROL_CLOCK_VALID)) 1850cddaafb9SDaniel Mack return 0; 1851cddaafb9SDaniel Mack 1852cddaafb9SDaniel Mack cval = kzalloc(sizeof(*cval), GFP_KERNEL); 1853cddaafb9SDaniel Mack if (!cval) 1854cddaafb9SDaniel Mack return -ENOMEM; 1855cddaafb9SDaniel Mack 1856cddaafb9SDaniel Mack snd_usb_mixer_elem_init_std(&cval->head, state->mixer, hdr->bClockID); 1857cddaafb9SDaniel Mack 1858cddaafb9SDaniel Mack cval->min = 0; 1859cddaafb9SDaniel Mack cval->max = 1; 1860cddaafb9SDaniel Mack cval->channels = 1; 1861cddaafb9SDaniel Mack cval->val_type = USB_MIXER_BOOLEAN; 1862cddaafb9SDaniel Mack cval->control = UAC2_CS_CONTROL_CLOCK_VALID; 1863cddaafb9SDaniel Mack 1864cddaafb9SDaniel Mack cval->master_readonly = 1; 1865568fa7e0SAndrew Chant /* From UAC2 5.2.5.1.2 "Only the get request is supported." */ 1866568fa7e0SAndrew Chant kctl = snd_ctl_new1(&usb_bool_master_control_ctl_ro, cval); 1867cddaafb9SDaniel Mack 1868cddaafb9SDaniel Mack if (!kctl) { 186952c3e317STakashi Iwai usb_mixer_elem_info_free(cval); 1870cddaafb9SDaniel Mack return -ENOMEM; 1871cddaafb9SDaniel Mack } 1872cddaafb9SDaniel Mack 1873cddaafb9SDaniel Mack kctl->private_free = snd_usb_mixer_elem_free; 1874eccfc1b8SRuslan Bilovol ret = snd_usb_copy_string_desc(state->chip, hdr->iClockSource, 1875cddaafb9SDaniel Mack name, sizeof(name)); 1876cddaafb9SDaniel Mack if (ret > 0) 1877cddaafb9SDaniel Mack snprintf(kctl->id.name, sizeof(kctl->id.name), 1878cddaafb9SDaniel Mack "%s Validity", name); 1879cddaafb9SDaniel Mack else 1880cddaafb9SDaniel Mack snprintf(kctl->id.name, sizeof(kctl->id.name), 1881cddaafb9SDaniel Mack "Clock Source %d Validity", hdr->bClockID); 1882cddaafb9SDaniel Mack 1883cddaafb9SDaniel Mack return snd_usb_mixer_add_control(&cval->head, kctl); 1884cddaafb9SDaniel Mack } 1885cddaafb9SDaniel Mack 1886f0b5e634SDaniel Mack /* 1887f0b5e634SDaniel Mack * parse a feature unit 1888f0b5e634SDaniel Mack * 188925985edcSLucas De Marchi * most of controls are defined here. 1890f0b5e634SDaniel Mack */ 18916bc170e4SDaniel Mack static int parse_audio_feature_unit(struct mixer_build *state, int unitid, 18926bc170e4SDaniel Mack void *_ftr) 1893f0b5e634SDaniel Mack { 1894f0b5e634SDaniel Mack int channels, i, j; 1895f0b5e634SDaniel Mack struct usb_audio_term iterm; 189636c346e1SYueHaibing unsigned int master_bits; 1897f0b5e634SDaniel Mack int err, csize; 189823caaf19SDaniel Mack struct uac_feature_unit_descriptor *hdr = _ftr; 189923caaf19SDaniel Mack __u8 *bmaControls; 1900f0b5e634SDaniel Mack 190123caaf19SDaniel Mack if (state->mixer->protocol == UAC_VERSION_1) { 190223caaf19SDaniel Mack csize = hdr->bControlSize; 190323caaf19SDaniel Mack channels = (hdr->bLength - 7) / csize - 1; 190423caaf19SDaniel Mack bmaControls = hdr->bmaControls; 19059a2fe9b8SRuslan Bilovol } else if (state->mixer->protocol == UAC_VERSION_2) { 190623caaf19SDaniel Mack struct uac2_feature_unit_descriptor *ftr = _ftr; 190723caaf19SDaniel Mack csize = 4; 1908e8d0fee7SDaniel Mack channels = (hdr->bLength - 6) / 4 - 1; 190923caaf19SDaniel Mack bmaControls = ftr->bmaControls; 19109a2fe9b8SRuslan Bilovol } else { /* UAC_VERSION_3 */ 19119a2fe9b8SRuslan Bilovol struct uac3_feature_unit_descriptor *ftr = _ftr; 19129a2fe9b8SRuslan Bilovol 19139a2fe9b8SRuslan Bilovol csize = 4; 19149a2fe9b8SRuslan Bilovol channels = (ftr->bLength - 7) / 4 - 1; 19159a2fe9b8SRuslan Bilovol bmaControls = ftr->bmaControls; 1916d56268fbSClemens Ladisch } 1917f0b5e634SDaniel Mack 1918f0b5e634SDaniel Mack /* parse the source unit */ 1919f25ecf8fSTakashi Iwai err = parse_audio_unit(state, hdr->bSourceID); 1920f25ecf8fSTakashi Iwai if (err < 0) 1921f0b5e634SDaniel Mack return err; 1922f0b5e634SDaniel Mack 1923f0b5e634SDaniel Mack /* determine the input source type and name */ 19244d7b86c9SDaniel Mack err = check_input_term(state, hdr->bSourceID, &iterm); 19254d7b86c9SDaniel Mack if (err < 0) 19264d7b86c9SDaniel Mack return err; 1927f0b5e634SDaniel Mack 192823caaf19SDaniel Mack master_bits = snd_usb_combine_bytes(bmaControls, csize); 1929f0b5e634SDaniel Mack /* master configuration quirks */ 1930f0b5e634SDaniel Mack switch (state->chip->usb_id) { 1931f0b5e634SDaniel Mack case USB_ID(0x08bb, 0x2702): 19320ba41d91STakashi Iwai usb_audio_info(state->chip, 1933f0b5e634SDaniel Mack "usbmixer: master volume quirk for PCM2702 chip\n"); 1934f0b5e634SDaniel Mack /* disable non-functional volume control */ 193565f25da4SDaniel Mack master_bits &= ~UAC_CONTROL_BIT(UAC_FU_VOLUME); 1936f0b5e634SDaniel Mack break; 1937c1051439SDavid Henningsson case USB_ID(0x1130, 0xf211): 19380ba41d91STakashi Iwai usb_audio_info(state->chip, 1939c1051439SDavid Henningsson "usbmixer: volume control quirk for Tenx TP6911 Audio Headset\n"); 1940c1051439SDavid Henningsson /* disable non-functional volume control */ 1941c1051439SDavid Henningsson channels = 0; 1942c1051439SDavid Henningsson break; 1943c1051439SDavid Henningsson 1944f0b5e634SDaniel Mack } 194523caaf19SDaniel Mack 194623caaf19SDaniel Mack if (state->mixer->protocol == UAC_VERSION_1) { 1947f0b5e634SDaniel Mack /* check all control types */ 1948f0b5e634SDaniel Mack for (i = 0; i < 10; i++) { 1949f0b5e634SDaniel Mack unsigned int ch_bits = 0; 195021e9b3e9SAndrew Chant int control = audio_feature_info[i].control; 195121e9b3e9SAndrew Chant 1952f0b5e634SDaniel Mack for (j = 0; j < channels; j++) { 19536bc170e4SDaniel Mack unsigned int mask; 19546bc170e4SDaniel Mack 19556bc170e4SDaniel Mack mask = snd_usb_combine_bytes(bmaControls + 19566bc170e4SDaniel Mack csize * (j+1), csize); 1957f0b5e634SDaniel Mack if (mask & (1 << i)) 1958f0b5e634SDaniel Mack ch_bits |= (1 << j); 1959f0b5e634SDaniel Mack } 196023caaf19SDaniel Mack /* audio class v1 controls are never read-only */ 19616bc170e4SDaniel Mack 19626bc170e4SDaniel Mack /* 19636bc170e4SDaniel Mack * The first channel must be set 19646bc170e4SDaniel Mack * (for ease of programming). 19656bc170e4SDaniel Mack */ 19666bc170e4SDaniel Mack if (ch_bits & 1) 196721e9b3e9SAndrew Chant build_feature_ctl(state, _ftr, ch_bits, control, 19686bc170e4SDaniel Mack &iterm, unitid, 0); 1969f0b5e634SDaniel Mack if (master_bits & (1 << i)) 197021e9b3e9SAndrew Chant build_feature_ctl(state, _ftr, 0, control, 197121e9b3e9SAndrew Chant &iterm, unitid, 0); 197223caaf19SDaniel Mack } 19739a2fe9b8SRuslan Bilovol } else { /* UAC_VERSION_2/3 */ 1974d09c06c6STakashi Iwai for (i = 0; i < ARRAY_SIZE(audio_feature_info); i++) { 197523caaf19SDaniel Mack unsigned int ch_bits = 0; 197623caaf19SDaniel Mack unsigned int ch_read_only = 0; 197721e9b3e9SAndrew Chant int control = audio_feature_info[i].control; 197823caaf19SDaniel Mack 197923caaf19SDaniel Mack for (j = 0; j < channels; j++) { 19806bc170e4SDaniel Mack unsigned int mask; 19816bc170e4SDaniel Mack 19826bc170e4SDaniel Mack mask = snd_usb_combine_bytes(bmaControls + 19836bc170e4SDaniel Mack csize * (j+1), csize); 198421e9b3e9SAndrew Chant if (uac_v2v3_control_is_readable(mask, control)) { 198523caaf19SDaniel Mack ch_bits |= (1 << j); 198621e9b3e9SAndrew Chant if (!uac_v2v3_control_is_writeable(mask, control)) 198723caaf19SDaniel Mack ch_read_only |= (1 << j); 198823caaf19SDaniel Mack } 198923caaf19SDaniel Mack } 199023caaf19SDaniel Mack 19916bc170e4SDaniel Mack /* 19926bc170e4SDaniel Mack * NOTE: build_feature_ctl() will mark the control 19936bc170e4SDaniel Mack * read-only if all channels are marked read-only in 19946bc170e4SDaniel Mack * the descriptors. Otherwise, the control will be 19956bc170e4SDaniel Mack * reported as writeable, but the driver will not 19966bc170e4SDaniel Mack * actually issue a write command for read-only 19976bc170e4SDaniel Mack * channels. 19986bc170e4SDaniel Mack */ 19996bc170e4SDaniel Mack 20006bc170e4SDaniel Mack /* 20016bc170e4SDaniel Mack * The first channel must be set 20026bc170e4SDaniel Mack * (for ease of programming). 20036bc170e4SDaniel Mack */ 20046bc170e4SDaniel Mack if (ch_bits & 1) 200521e9b3e9SAndrew Chant build_feature_ctl(state, _ftr, ch_bits, control, 20066bc170e4SDaniel Mack &iterm, unitid, ch_read_only); 200721e9b3e9SAndrew Chant if (uac_v2v3_control_is_readable(master_bits, control)) 20082de841efSTakashi Iwai build_feature_ctl(state, _ftr, 0, control, 20092de841efSTakashi Iwai &iterm, unitid, 201021e9b3e9SAndrew Chant !uac_v2v3_control_is_writeable(master_bits, 201121e9b3e9SAndrew Chant control)); 201223caaf19SDaniel Mack } 2013f0b5e634SDaniel Mack } 2014f0b5e634SDaniel Mack 2015f0b5e634SDaniel Mack return 0; 2016f0b5e634SDaniel Mack } 2017f0b5e634SDaniel Mack 2018f0b5e634SDaniel Mack /* 2019f0b5e634SDaniel Mack * Mixer Unit 2020f0b5e634SDaniel Mack */ 2021f0b5e634SDaniel Mack 2022f9f0e9edSTakashi Iwai /* check whether the given in/out overflows bmMixerControls matrix */ 2023f9f0e9edSTakashi Iwai static bool mixer_bitmap_overflow(struct uac_mixer_unit_descriptor *desc, 2024f9f0e9edSTakashi Iwai int protocol, int num_ins, int num_outs) 2025f9f0e9edSTakashi Iwai { 2026f9f0e9edSTakashi Iwai u8 *hdr = (u8 *)desc; 2027f9f0e9edSTakashi Iwai u8 *c = uac_mixer_unit_bmControls(desc, protocol); 2028f9f0e9edSTakashi Iwai size_t rest; /* remaining bytes after bmMixerControls */ 2029f9f0e9edSTakashi Iwai 2030f9f0e9edSTakashi Iwai switch (protocol) { 2031f9f0e9edSTakashi Iwai case UAC_VERSION_1: 2032f9f0e9edSTakashi Iwai default: 2033f9f0e9edSTakashi Iwai rest = 1; /* iMixer */ 2034f9f0e9edSTakashi Iwai break; 2035f9f0e9edSTakashi Iwai case UAC_VERSION_2: 2036f9f0e9edSTakashi Iwai rest = 2; /* bmControls + iMixer */ 2037f9f0e9edSTakashi Iwai break; 2038f9f0e9edSTakashi Iwai case UAC_VERSION_3: 2039f9f0e9edSTakashi Iwai rest = 6; /* bmControls + wMixerDescrStr */ 2040f9f0e9edSTakashi Iwai break; 2041f9f0e9edSTakashi Iwai } 2042f9f0e9edSTakashi Iwai 2043f9f0e9edSTakashi Iwai /* overflow? */ 2044f9f0e9edSTakashi Iwai return c + (num_ins * num_outs + 7) / 8 + rest > hdr + hdr[0]; 2045f9f0e9edSTakashi Iwai } 2046f9f0e9edSTakashi Iwai 2047f0b5e634SDaniel Mack /* 2048f0b5e634SDaniel Mack * build a mixer unit control 2049f0b5e634SDaniel Mack * 2050f0b5e634SDaniel Mack * the callbacks are identical with feature unit. 2051f0b5e634SDaniel Mack * input channel number (zero based) is given in control field instead. 2052f0b5e634SDaniel Mack */ 205399fc8645SDaniel Mack static void build_mixer_unit_ctl(struct mixer_build *state, 205499fc8645SDaniel Mack struct uac_mixer_unit_descriptor *desc, 20556cfd839aSJorge Sanjuan int in_pin, int in_ch, int num_outs, 20566cfd839aSJorge Sanjuan int unitid, struct usb_audio_term *iterm) 2057f0b5e634SDaniel Mack { 2058f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval; 2059f0b5e634SDaniel Mack unsigned int i, len; 2060f0b5e634SDaniel Mack struct snd_kcontrol *kctl; 2061f0b5e634SDaniel Mack const struct usbmix_name_map *map; 2062f0b5e634SDaniel Mack 206317156f23SRuslan Bilovol map = find_map(state->map, unitid, 0); 2064f0b5e634SDaniel Mack if (check_ignored_ctl(map)) 2065f0b5e634SDaniel Mack return; 2066f0b5e634SDaniel Mack 2067f0b5e634SDaniel Mack cval = kzalloc(sizeof(*cval), GFP_KERNEL); 2068f0b5e634SDaniel Mack if (!cval) 2069f0b5e634SDaniel Mack return; 2070f0b5e634SDaniel Mack 20713360b84bSTakashi Iwai snd_usb_mixer_elem_init_std(&cval->head, state->mixer, unitid); 2072f0b5e634SDaniel Mack cval->control = in_ch + 1; /* based on 1 */ 2073f0b5e634SDaniel Mack cval->val_type = USB_MIXER_S16; 2074f0b5e634SDaniel Mack for (i = 0; i < num_outs; i++) { 20756bc170e4SDaniel Mack __u8 *c = uac_mixer_unit_bmControls(desc, state->mixer->protocol); 20766bc170e4SDaniel Mack 20776bc170e4SDaniel Mack if (check_matrix_bitmap(c, in_ch, i, num_outs)) { 2078f0b5e634SDaniel Mack cval->cmask |= (1 << i); 2079f0b5e634SDaniel Mack cval->channels++; 2080f0b5e634SDaniel Mack } 2081f0b5e634SDaniel Mack } 2082f0b5e634SDaniel Mack 2083f0b5e634SDaniel Mack /* get min/max values */ 2084f0b5e634SDaniel Mack get_min_max(cval, 0); 2085f0b5e634SDaniel Mack 2086f0b5e634SDaniel Mack kctl = snd_ctl_new1(&usb_feature_unit_ctl, cval); 2087f0b5e634SDaniel Mack if (!kctl) { 20880ba41d91STakashi Iwai usb_audio_err(state->chip, "cannot malloc kcontrol\n"); 208952c3e317STakashi Iwai usb_mixer_elem_info_free(cval); 2090f0b5e634SDaniel Mack return; 2091f0b5e634SDaniel Mack } 2092eef90451SChris J Arges kctl->private_free = snd_usb_mixer_elem_free; 2093f0b5e634SDaniel Mack 2094f0b5e634SDaniel Mack len = check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name)); 2095f0b5e634SDaniel Mack if (!len) 2096eccfc1b8SRuslan Bilovol len = get_term_name(state->chip, iterm, kctl->id.name, 20976bc170e4SDaniel Mack sizeof(kctl->id.name), 0); 2098f0b5e634SDaniel Mack if (!len) 2099f0b5e634SDaniel Mack len = sprintf(kctl->id.name, "Mixer Source %d", in_ch + 1); 2100f0b5e634SDaniel Mack append_ctl_name(kctl, " Volume"); 2101f0b5e634SDaniel Mack 21020ba41d91STakashi Iwai usb_audio_dbg(state->chip, "[%d] MU [%s] ch = %d, val = %d/%d\n", 21033360b84bSTakashi Iwai cval->head.id, kctl->id.name, cval->channels, cval->min, cval->max); 21043360b84bSTakashi Iwai snd_usb_mixer_add_control(&cval->head, kctl); 2105f0b5e634SDaniel Mack } 2106f0b5e634SDaniel Mack 21075a222e84SAndrew Chant static int parse_audio_input_terminal(struct mixer_build *state, int unitid, 21085a222e84SAndrew Chant void *raw_desc) 21095a222e84SAndrew Chant { 21105a222e84SAndrew Chant struct usb_audio_term iterm; 21111d38f5d8SJorge Sanjuan unsigned int control, bmctls, term_id; 21125a222e84SAndrew Chant 21135a222e84SAndrew Chant if (state->mixer->protocol == UAC_VERSION_2) { 21141d38f5d8SJorge Sanjuan struct uac2_input_terminal_descriptor *d_v2 = raw_desc; 21151d38f5d8SJorge Sanjuan control = UAC2_TE_CONNECTOR; 21161d38f5d8SJorge Sanjuan term_id = d_v2->bTerminalID; 21171d38f5d8SJorge Sanjuan bmctls = le16_to_cpu(d_v2->bmControls); 21181d38f5d8SJorge Sanjuan } else if (state->mixer->protocol == UAC_VERSION_3) { 21191d38f5d8SJorge Sanjuan struct uac3_input_terminal_descriptor *d_v3 = raw_desc; 21201d38f5d8SJorge Sanjuan control = UAC3_TE_INSERTION; 21211d38f5d8SJorge Sanjuan term_id = d_v3->bTerminalID; 21221d38f5d8SJorge Sanjuan bmctls = le32_to_cpu(d_v3->bmControls); 21231d38f5d8SJorge Sanjuan } else { 21241d38f5d8SJorge Sanjuan return 0; /* UAC1. No Insertion control */ 21251d38f5d8SJorge Sanjuan } 21261d38f5d8SJorge Sanjuan 21271d38f5d8SJorge Sanjuan check_input_term(state, term_id, &iterm); 21281d38f5d8SJorge Sanjuan 21295a222e84SAndrew Chant /* Check for jack detection. */ 21307dc3c5a0STakashi Iwai if ((iterm.type & 0xff00) != 0x0100 && 21317dc3c5a0STakashi Iwai uac_v2v3_control_is_readable(bmctls, control)) 2132934b9659STakashi Iwai build_connector_control(state->mixer, state->map, &iterm, true); 21331d38f5d8SJorge Sanjuan 21345a222e84SAndrew Chant return 0; 21355a222e84SAndrew Chant } 21365a222e84SAndrew Chant 2137f0b5e634SDaniel Mack /* 2138f0b5e634SDaniel Mack * parse a mixer unit 2139f0b5e634SDaniel Mack */ 21406bc170e4SDaniel Mack static int parse_audio_mixer_unit(struct mixer_build *state, int unitid, 21416bc170e4SDaniel Mack void *raw_desc) 2142f0b5e634SDaniel Mack { 214399fc8645SDaniel Mack struct uac_mixer_unit_descriptor *desc = raw_desc; 2144f0b5e634SDaniel Mack struct usb_audio_term iterm; 2145f0b5e634SDaniel Mack int input_pins, num_ins, num_outs; 2146f0b5e634SDaniel Mack int pin, ich, err; 2147f0b5e634SDaniel Mack 21486cfd839aSJorge Sanjuan err = uac_mixer_unit_get_channels(state, desc); 21496cfd839aSJorge Sanjuan if (err < 0) { 21506bc170e4SDaniel Mack usb_audio_err(state->chip, 21516bc170e4SDaniel Mack "invalid MIXER UNIT descriptor %d\n", 21526bc170e4SDaniel Mack unitid); 21536cfd839aSJorge Sanjuan return err; 2154f0b5e634SDaniel Mack } 2155f0b5e634SDaniel Mack 21566cfd839aSJorge Sanjuan num_outs = err; 21576cfd839aSJorge Sanjuan input_pins = desc->bNrInPins; 21586cfd839aSJorge Sanjuan 2159f0b5e634SDaniel Mack num_ins = 0; 2160f0b5e634SDaniel Mack ich = 0; 2161f0b5e634SDaniel Mack for (pin = 0; pin < input_pins; pin++) { 216299fc8645SDaniel Mack err = parse_audio_unit(state, desc->baSourceID[pin]); 2163f0b5e634SDaniel Mack if (err < 0) 2164284a8dd6SMark Hills continue; 2165ea114fc2SClemens Ladisch /* no bmControls field (e.g. Maya44) -> ignore */ 21660bfe5e43STakashi Iwai if (!num_outs) 2167ea114fc2SClemens Ladisch continue; 216899fc8645SDaniel Mack err = check_input_term(state, desc->baSourceID[pin], &iterm); 2169f0b5e634SDaniel Mack if (err < 0) 2170f0b5e634SDaniel Mack return err; 2171f0b5e634SDaniel Mack num_ins += iterm.channels; 2172f9f0e9edSTakashi Iwai if (mixer_bitmap_overflow(desc, state->mixer->protocol, 2173f9f0e9edSTakashi Iwai num_ins, num_outs)) 2174f9f0e9edSTakashi Iwai break; 21756bc170e4SDaniel Mack for (; ich < num_ins; ich++) { 2176f0b5e634SDaniel Mack int och, ich_has_controls = 0; 2177f0b5e634SDaniel Mack 21786bc170e4SDaniel Mack for (och = 0; och < num_outs; och++) { 21796bc170e4SDaniel Mack __u8 *c = uac_mixer_unit_bmControls(desc, 21806bc170e4SDaniel Mack state->mixer->protocol); 21816bc170e4SDaniel Mack 21826bc170e4SDaniel Mack if (check_matrix_bitmap(c, ich, och, num_outs)) { 2183f0b5e634SDaniel Mack ich_has_controls = 1; 2184f0b5e634SDaniel Mack break; 2185f0b5e634SDaniel Mack } 2186f0b5e634SDaniel Mack } 2187f0b5e634SDaniel Mack if (ich_has_controls) 21886cfd839aSJorge Sanjuan build_mixer_unit_ctl(state, desc, pin, ich, num_outs, 2189f0b5e634SDaniel Mack unitid, &iterm); 2190f0b5e634SDaniel Mack } 2191f0b5e634SDaniel Mack } 2192f0b5e634SDaniel Mack return 0; 2193f0b5e634SDaniel Mack } 2194f0b5e634SDaniel Mack 2195f0b5e634SDaniel Mack /* 2196f0b5e634SDaniel Mack * Processing Unit / Extension Unit 2197f0b5e634SDaniel Mack */ 2198f0b5e634SDaniel Mack 2199f0b5e634SDaniel Mack /* get callback for processing/extension unit */ 22006bc170e4SDaniel Mack static int mixer_ctl_procunit_get(struct snd_kcontrol *kcontrol, 22016bc170e4SDaniel Mack struct snd_ctl_elem_value *ucontrol) 2202f0b5e634SDaniel Mack { 2203f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval = kcontrol->private_data; 2204f0b5e634SDaniel Mack int err, val; 2205f0b5e634SDaniel Mack 2206f0b5e634SDaniel Mack err = get_cur_ctl_value(cval, cval->control << 8, &val); 22075aeee342STakashi Iwai if (err < 0) { 2208f0b5e634SDaniel Mack ucontrol->value.integer.value[0] = cval->min; 22095aeee342STakashi Iwai return filter_error(cval, err); 2210f0b5e634SDaniel Mack } 2211f0b5e634SDaniel Mack val = get_relative_value(cval, val); 2212f0b5e634SDaniel Mack ucontrol->value.integer.value[0] = val; 2213f0b5e634SDaniel Mack return 0; 2214f0b5e634SDaniel Mack } 2215f0b5e634SDaniel Mack 2216f0b5e634SDaniel Mack /* put callback for processing/extension unit */ 22176bc170e4SDaniel Mack static int mixer_ctl_procunit_put(struct snd_kcontrol *kcontrol, 22186bc170e4SDaniel Mack struct snd_ctl_elem_value *ucontrol) 2219f0b5e634SDaniel Mack { 2220f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval = kcontrol->private_data; 2221f0b5e634SDaniel Mack int val, oval, err; 2222f0b5e634SDaniel Mack 2223f0b5e634SDaniel Mack err = get_cur_ctl_value(cval, cval->control << 8, &oval); 22245aeee342STakashi Iwai if (err < 0) 22255aeee342STakashi Iwai return filter_error(cval, err); 2226f0b5e634SDaniel Mack val = ucontrol->value.integer.value[0]; 2227f0b5e634SDaniel Mack val = get_abs_value(cval, val); 2228f0b5e634SDaniel Mack if (val != oval) { 2229f0b5e634SDaniel Mack set_cur_ctl_value(cval, cval->control << 8, val); 2230f0b5e634SDaniel Mack return 1; 2231f0b5e634SDaniel Mack } 2232f0b5e634SDaniel Mack return 0; 2233f0b5e634SDaniel Mack } 2234f0b5e634SDaniel Mack 2235f0b5e634SDaniel Mack /* alsa control interface for processing/extension unit */ 22368fdaebbbSBhumika Goyal static const struct snd_kcontrol_new mixer_procunit_ctl = { 2237f0b5e634SDaniel Mack .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 2238f0b5e634SDaniel Mack .name = "", /* will be filled later */ 2239f0b5e634SDaniel Mack .info = mixer_ctl_feature_info, 2240f0b5e634SDaniel Mack .get = mixer_ctl_procunit_get, 2241f0b5e634SDaniel Mack .put = mixer_ctl_procunit_put, 2242f0b5e634SDaniel Mack }; 2243f0b5e634SDaniel Mack 2244f0b5e634SDaniel Mack /* 2245f0b5e634SDaniel Mack * predefined data for processing units 2246f0b5e634SDaniel Mack */ 2247f0b5e634SDaniel Mack struct procunit_value_info { 2248f0b5e634SDaniel Mack int control; 2249a01df925STakashi Iwai const char *suffix; 2250f0b5e634SDaniel Mack int val_type; 2251f0b5e634SDaniel Mack int min_value; 2252f0b5e634SDaniel Mack }; 2253f0b5e634SDaniel Mack 2254f0b5e634SDaniel Mack struct procunit_info { 2255f0b5e634SDaniel Mack int type; 2256f0b5e634SDaniel Mack char *name; 2257a01df925STakashi Iwai const struct procunit_value_info *values; 2258f0b5e634SDaniel Mack }; 2259f0b5e634SDaniel Mack 2260a01df925STakashi Iwai static const struct procunit_value_info undefined_proc_info[] = { 22610f292f02SJorge Sanjuan { 0x00, "Control Undefined", 0 }, 22620f292f02SJorge Sanjuan { 0 } 22630f292f02SJorge Sanjuan }; 22640f292f02SJorge Sanjuan 2265a01df925STakashi Iwai static const struct procunit_value_info updown_proc_info[] = { 226665f25da4SDaniel Mack { UAC_UD_ENABLE, "Switch", USB_MIXER_BOOLEAN }, 226765f25da4SDaniel Mack { UAC_UD_MODE_SELECT, "Mode Select", USB_MIXER_U8, 1 }, 2268f0b5e634SDaniel Mack { 0 } 2269f0b5e634SDaniel Mack }; 2270a01df925STakashi Iwai static const struct procunit_value_info prologic_proc_info[] = { 227165f25da4SDaniel Mack { UAC_DP_ENABLE, "Switch", USB_MIXER_BOOLEAN }, 227265f25da4SDaniel Mack { UAC_DP_MODE_SELECT, "Mode Select", USB_MIXER_U8, 1 }, 2273f0b5e634SDaniel Mack { 0 } 2274f0b5e634SDaniel Mack }; 2275a01df925STakashi Iwai static const struct procunit_value_info threed_enh_proc_info[] = { 227665f25da4SDaniel Mack { UAC_3D_ENABLE, "Switch", USB_MIXER_BOOLEAN }, 227765f25da4SDaniel Mack { UAC_3D_SPACE, "Spaciousness", USB_MIXER_U8 }, 2278f0b5e634SDaniel Mack { 0 } 2279f0b5e634SDaniel Mack }; 2280a01df925STakashi Iwai static const struct procunit_value_info reverb_proc_info[] = { 228165f25da4SDaniel Mack { UAC_REVERB_ENABLE, "Switch", USB_MIXER_BOOLEAN }, 228265f25da4SDaniel Mack { UAC_REVERB_LEVEL, "Level", USB_MIXER_U8 }, 228365f25da4SDaniel Mack { UAC_REVERB_TIME, "Time", USB_MIXER_U16 }, 228465f25da4SDaniel Mack { UAC_REVERB_FEEDBACK, "Feedback", USB_MIXER_U8 }, 2285f0b5e634SDaniel Mack { 0 } 2286f0b5e634SDaniel Mack }; 2287a01df925STakashi Iwai static const struct procunit_value_info chorus_proc_info[] = { 228865f25da4SDaniel Mack { UAC_CHORUS_ENABLE, "Switch", USB_MIXER_BOOLEAN }, 228965f25da4SDaniel Mack { UAC_CHORUS_LEVEL, "Level", USB_MIXER_U8 }, 229065f25da4SDaniel Mack { UAC_CHORUS_RATE, "Rate", USB_MIXER_U16 }, 229165f25da4SDaniel Mack { UAC_CHORUS_DEPTH, "Depth", USB_MIXER_U16 }, 2292f0b5e634SDaniel Mack { 0 } 2293f0b5e634SDaniel Mack }; 2294a01df925STakashi Iwai static const struct procunit_value_info dcr_proc_info[] = { 229565f25da4SDaniel Mack { UAC_DCR_ENABLE, "Switch", USB_MIXER_BOOLEAN }, 229665f25da4SDaniel Mack { UAC_DCR_RATE, "Ratio", USB_MIXER_U16 }, 229765f25da4SDaniel Mack { UAC_DCR_MAXAMPL, "Max Amp", USB_MIXER_S16 }, 229865f25da4SDaniel Mack { UAC_DCR_THRESHOLD, "Threshold", USB_MIXER_S16 }, 229965f25da4SDaniel Mack { UAC_DCR_ATTACK_TIME, "Attack Time", USB_MIXER_U16 }, 230065f25da4SDaniel Mack { UAC_DCR_RELEASE_TIME, "Release Time", USB_MIXER_U16 }, 2301f0b5e634SDaniel Mack { 0 } 2302f0b5e634SDaniel Mack }; 2303f0b5e634SDaniel Mack 2304a01df925STakashi Iwai static const struct procunit_info procunits[] = { 230565f25da4SDaniel Mack { UAC_PROCESS_UP_DOWNMIX, "Up Down", updown_proc_info }, 230665f25da4SDaniel Mack { UAC_PROCESS_DOLBY_PROLOGIC, "Dolby Prologic", prologic_proc_info }, 230765f25da4SDaniel Mack { UAC_PROCESS_STEREO_EXTENDER, "3D Stereo Extender", threed_enh_proc_info }, 230865f25da4SDaniel Mack { UAC_PROCESS_REVERB, "Reverb", reverb_proc_info }, 230965f25da4SDaniel Mack { UAC_PROCESS_CHORUS, "Chorus", chorus_proc_info }, 231065f25da4SDaniel Mack { UAC_PROCESS_DYN_RANGE_COMP, "DCR", dcr_proc_info }, 2311f0b5e634SDaniel Mack { 0 }, 2312f0b5e634SDaniel Mack }; 23130f292f02SJorge Sanjuan 2314a01df925STakashi Iwai static const struct procunit_value_info uac3_updown_proc_info[] = { 23150f292f02SJorge Sanjuan { UAC3_UD_MODE_SELECT, "Mode Select", USB_MIXER_U8, 1 }, 23160f292f02SJorge Sanjuan { 0 } 23170f292f02SJorge Sanjuan }; 2318a01df925STakashi Iwai static const struct procunit_value_info uac3_stereo_ext_proc_info[] = { 23190f292f02SJorge Sanjuan { UAC3_EXT_WIDTH_CONTROL, "Width Control", USB_MIXER_U8 }, 23200f292f02SJorge Sanjuan { 0 } 23210f292f02SJorge Sanjuan }; 23220f292f02SJorge Sanjuan 2323a01df925STakashi Iwai static const struct procunit_info uac3_procunits[] = { 23240f292f02SJorge Sanjuan { UAC3_PROCESS_UP_DOWNMIX, "Up Down", uac3_updown_proc_info }, 23250f292f02SJorge Sanjuan { UAC3_PROCESS_STEREO_EXTENDER, "3D Stereo Extender", uac3_stereo_ext_proc_info }, 23260f292f02SJorge Sanjuan { UAC3_PROCESS_MULTI_FUNCTION, "Multi-Function", undefined_proc_info }, 23270f292f02SJorge Sanjuan { 0 }, 23280f292f02SJorge Sanjuan }; 23290f292f02SJorge Sanjuan 2330f0b5e634SDaniel Mack /* 2331f0b5e634SDaniel Mack * predefined data for extension units 2332f0b5e634SDaniel Mack */ 2333a01df925STakashi Iwai static const struct procunit_value_info clock_rate_xu_info[] = { 2334f0b5e634SDaniel Mack { USB_XU_CLOCK_RATE_SELECTOR, "Selector", USB_MIXER_U8, 0 }, 2335f0b5e634SDaniel Mack { 0 } 2336f0b5e634SDaniel Mack }; 2337a01df925STakashi Iwai static const struct procunit_value_info clock_source_xu_info[] = { 2338f0b5e634SDaniel Mack { USB_XU_CLOCK_SOURCE_SELECTOR, "External", USB_MIXER_BOOLEAN }, 2339f0b5e634SDaniel Mack { 0 } 2340f0b5e634SDaniel Mack }; 2341a01df925STakashi Iwai static const struct procunit_value_info spdif_format_xu_info[] = { 2342f0b5e634SDaniel Mack { USB_XU_DIGITAL_FORMAT_SELECTOR, "SPDIF/AC3", USB_MIXER_BOOLEAN }, 2343f0b5e634SDaniel Mack { 0 } 2344f0b5e634SDaniel Mack }; 2345a01df925STakashi Iwai static const struct procunit_value_info soft_limit_xu_info[] = { 2346f0b5e634SDaniel Mack { USB_XU_SOFT_LIMIT_SELECTOR, " ", USB_MIXER_BOOLEAN }, 2347f0b5e634SDaniel Mack { 0 } 2348f0b5e634SDaniel Mack }; 2349a01df925STakashi Iwai static const struct procunit_info extunits[] = { 2350f0b5e634SDaniel Mack { USB_XU_CLOCK_RATE, "Clock rate", clock_rate_xu_info }, 2351f0b5e634SDaniel Mack { USB_XU_CLOCK_SOURCE, "DigitalIn CLK source", clock_source_xu_info }, 2352f0b5e634SDaniel Mack { USB_XU_DIGITAL_IO_STATUS, "DigitalOut format:", spdif_format_xu_info }, 2353f0b5e634SDaniel Mack { USB_XU_DEVICE_OPTIONS, "AnalogueIn Soft Limit", soft_limit_xu_info }, 2354f0b5e634SDaniel Mack { 0 } 2355f0b5e634SDaniel Mack }; 23566bc170e4SDaniel Mack 2357f0b5e634SDaniel Mack /* 2358f0b5e634SDaniel Mack * build a processing/extension unit 2359f0b5e634SDaniel Mack */ 23606bc170e4SDaniel Mack static int build_audio_procunit(struct mixer_build *state, int unitid, 2361a01df925STakashi Iwai void *raw_desc, const struct procunit_info *list, 2362ca95c7bfSTakashi Iwai bool extension_unit) 2363f0b5e634SDaniel Mack { 236499fc8645SDaniel Mack struct uac_processing_unit_descriptor *desc = raw_desc; 2365f4351a19STakashi Iwai int num_ins; 2366f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval; 2367f0b5e634SDaniel Mack struct snd_kcontrol *kctl; 2368f0b5e634SDaniel Mack int i, err, nameid, type, len; 2369a01df925STakashi Iwai const struct procunit_info *info; 2370a01df925STakashi Iwai const struct procunit_value_info *valinfo; 2371f0b5e634SDaniel Mack const struct usbmix_name_map *map; 2372a01df925STakashi Iwai static const struct procunit_value_info default_value_info[] = { 2373f0b5e634SDaniel Mack { 0x01, "Switch", USB_MIXER_BOOLEAN }, 2374f0b5e634SDaniel Mack { 0 } 2375f0b5e634SDaniel Mack }; 2376a01df925STakashi Iwai static const struct procunit_info default_info = { 2377f0b5e634SDaniel Mack 0, NULL, default_value_info 2378f0b5e634SDaniel Mack }; 2379ca95c7bfSTakashi Iwai const char *name = extension_unit ? 2380ca95c7bfSTakashi Iwai "Extension Unit" : "Processing Unit"; 2381f0b5e634SDaniel Mack 2382f4351a19STakashi Iwai num_ins = desc->bNrInPins; 2383f0b5e634SDaniel Mack for (i = 0; i < num_ins; i++) { 2384f25ecf8fSTakashi Iwai err = parse_audio_unit(state, desc->baSourceID[i]); 2385f25ecf8fSTakashi Iwai if (err < 0) 2386f0b5e634SDaniel Mack return err; 2387f0b5e634SDaniel Mack } 2388f0b5e634SDaniel Mack 238999fc8645SDaniel Mack type = le16_to_cpu(desc->wProcessType); 2390f0b5e634SDaniel Mack for (info = list; info && info->type; info++) 2391f0b5e634SDaniel Mack if (info->type == type) 2392f0b5e634SDaniel Mack break; 2393f0b5e634SDaniel Mack if (!info || !info->type) 2394f0b5e634SDaniel Mack info = &default_info; 2395f0b5e634SDaniel Mack 2396f0b5e634SDaniel Mack for (valinfo = info->values; valinfo->control; valinfo++) { 239723caaf19SDaniel Mack __u8 *controls = uac_processing_unit_bmControls(desc, state->mixer->protocol); 239899fc8645SDaniel Mack 23994e887af3SJorge Sanjuan if (state->mixer->protocol == UAC_VERSION_1) { 24004e887af3SJorge Sanjuan if (!(controls[valinfo->control / 8] & 24014e887af3SJorge Sanjuan (1 << ((valinfo->control % 8) - 1)))) 2402f0b5e634SDaniel Mack continue; 24034e887af3SJorge Sanjuan } else { /* UAC_VERSION_2/3 */ 24044e887af3SJorge Sanjuan if (!uac_v2v3_control_is_readable(controls[valinfo->control / 8], 24054e887af3SJorge Sanjuan valinfo->control)) 24064e887af3SJorge Sanjuan continue; 24074e887af3SJorge Sanjuan } 24084e887af3SJorge Sanjuan 240917156f23SRuslan Bilovol map = find_map(state->map, unitid, valinfo->control); 2410f0b5e634SDaniel Mack if (check_ignored_ctl(map)) 2411f0b5e634SDaniel Mack continue; 2412f0b5e634SDaniel Mack cval = kzalloc(sizeof(*cval), GFP_KERNEL); 2413a860d95fSDaniel Mack if (!cval) 2414f0b5e634SDaniel Mack return -ENOMEM; 24153360b84bSTakashi Iwai snd_usb_mixer_elem_init_std(&cval->head, state->mixer, unitid); 2416f0b5e634SDaniel Mack cval->control = valinfo->control; 2417f0b5e634SDaniel Mack cval->val_type = valinfo->val_type; 2418f0b5e634SDaniel Mack cval->channels = 1; 2419f0b5e634SDaniel Mack 24204e887af3SJorge Sanjuan if (state->mixer->protocol > UAC_VERSION_1 && 24214e887af3SJorge Sanjuan !uac_v2v3_control_is_writeable(controls[valinfo->control / 8], 24224e887af3SJorge Sanjuan valinfo->control)) 24234e887af3SJorge Sanjuan cval->master_readonly = 1; 24244e887af3SJorge Sanjuan 2425f0b5e634SDaniel Mack /* get min/max values */ 242655b8cb46SJorge Sanjuan switch (type) { 242755b8cb46SJorge Sanjuan case UAC_PROCESS_UP_DOWNMIX: { 242855b8cb46SJorge Sanjuan bool mode_sel = false; 242955b8cb46SJorge Sanjuan 243055b8cb46SJorge Sanjuan switch (state->mixer->protocol) { 243155b8cb46SJorge Sanjuan case UAC_VERSION_1: 243255b8cb46SJorge Sanjuan case UAC_VERSION_2: 243355b8cb46SJorge Sanjuan default: 243455b8cb46SJorge Sanjuan if (cval->control == UAC_UD_MODE_SELECT) 243555b8cb46SJorge Sanjuan mode_sel = true; 243655b8cb46SJorge Sanjuan break; 243755b8cb46SJorge Sanjuan case UAC_VERSION_3: 243855b8cb46SJorge Sanjuan if (cval->control == UAC3_UD_MODE_SELECT) 243955b8cb46SJorge Sanjuan mode_sel = true; 244055b8cb46SJorge Sanjuan break; 244155b8cb46SJorge Sanjuan } 244255b8cb46SJorge Sanjuan 244355b8cb46SJorge Sanjuan if (mode_sel) { 244455b8cb46SJorge Sanjuan __u8 *control_spec = uac_processing_unit_specific(desc, 244555b8cb46SJorge Sanjuan state->mixer->protocol); 2446f0b5e634SDaniel Mack cval->min = 1; 244799fc8645SDaniel Mack cval->max = control_spec[0]; 2448f0b5e634SDaniel Mack cval->res = 1; 2449f0b5e634SDaniel Mack cval->initialized = 1; 245055b8cb46SJorge Sanjuan break; 245155b8cb46SJorge Sanjuan } 245255b8cb46SJorge Sanjuan 245355b8cb46SJorge Sanjuan get_min_max(cval, valinfo->min_value); 245455b8cb46SJorge Sanjuan break; 245555b8cb46SJorge Sanjuan } 245655b8cb46SJorge Sanjuan case USB_XU_CLOCK_RATE: 24576bc170e4SDaniel Mack /* 24586bc170e4SDaniel Mack * E-Mu USB 0404/0202/TrackerPre/0204 2459f0b5e634SDaniel Mack * samplerate control quirk 2460f0b5e634SDaniel Mack */ 2461f0b5e634SDaniel Mack cval->min = 0; 2462f0b5e634SDaniel Mack cval->max = 5; 2463f0b5e634SDaniel Mack cval->res = 1; 2464f0b5e634SDaniel Mack cval->initialized = 1; 246555b8cb46SJorge Sanjuan break; 246655b8cb46SJorge Sanjuan default: 2467f0b5e634SDaniel Mack get_min_max(cval, valinfo->min_value); 246855b8cb46SJorge Sanjuan break; 2469f0b5e634SDaniel Mack } 2470f0b5e634SDaniel Mack 2471f0b5e634SDaniel Mack kctl = snd_ctl_new1(&mixer_procunit_ctl, cval); 2472f0b5e634SDaniel Mack if (!kctl) { 247352c3e317STakashi Iwai usb_mixer_elem_info_free(cval); 2474f0b5e634SDaniel Mack return -ENOMEM; 2475f0b5e634SDaniel Mack } 2476eef90451SChris J Arges kctl->private_free = snd_usb_mixer_elem_free; 2477f0b5e634SDaniel Mack 24786bc170e4SDaniel Mack if (check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name))) { 2479f0b5e634SDaniel Mack /* nothing */ ; 24806bc170e4SDaniel Mack } else if (info->name) { 2481f0b5e634SDaniel Mack strlcpy(kctl->id.name, info->name, sizeof(kctl->id.name)); 24826bc170e4SDaniel Mack } else { 2483ca95c7bfSTakashi Iwai if (extension_unit) 2484ca95c7bfSTakashi Iwai nameid = uac_extension_unit_iExtension(desc, state->mixer->protocol); 2485ca95c7bfSTakashi Iwai else 248623caaf19SDaniel Mack nameid = uac_processing_unit_iProcessing(desc, state->mixer->protocol); 2487f0b5e634SDaniel Mack len = 0; 2488f0b5e634SDaniel Mack if (nameid) 2489eccfc1b8SRuslan Bilovol len = snd_usb_copy_string_desc(state->chip, 2490eccfc1b8SRuslan Bilovol nameid, 24916bc170e4SDaniel Mack kctl->id.name, 24926bc170e4SDaniel Mack sizeof(kctl->id.name)); 2493f0b5e634SDaniel Mack if (!len) 2494f0b5e634SDaniel Mack strlcpy(kctl->id.name, name, sizeof(kctl->id.name)); 2495f0b5e634SDaniel Mack } 2496f0b5e634SDaniel Mack append_ctl_name(kctl, " "); 2497f0b5e634SDaniel Mack append_ctl_name(kctl, valinfo->suffix); 2498f0b5e634SDaniel Mack 24990ba41d91STakashi Iwai usb_audio_dbg(state->chip, 25000ba41d91STakashi Iwai "[%d] PU [%s] ch = %d, val = %d/%d\n", 25013360b84bSTakashi Iwai cval->head.id, kctl->id.name, cval->channels, 25026bc170e4SDaniel Mack cval->min, cval->max); 25036bc170e4SDaniel Mack 25043360b84bSTakashi Iwai err = snd_usb_mixer_add_control(&cval->head, kctl); 25056bc170e4SDaniel Mack if (err < 0) 2506f0b5e634SDaniel Mack return err; 2507f0b5e634SDaniel Mack } 2508f0b5e634SDaniel Mack return 0; 2509f0b5e634SDaniel Mack } 2510f0b5e634SDaniel Mack 25116bc170e4SDaniel Mack static int parse_audio_processing_unit(struct mixer_build *state, int unitid, 25126bc170e4SDaniel Mack void *raw_desc) 2513f0b5e634SDaniel Mack { 25140f292f02SJorge Sanjuan switch (state->mixer->protocol) { 25150f292f02SJorge Sanjuan case UAC_VERSION_1: 25160f292f02SJorge Sanjuan case UAC_VERSION_2: 25170f292f02SJorge Sanjuan default: 25186bc170e4SDaniel Mack return build_audio_procunit(state, unitid, raw_desc, 2519ca95c7bfSTakashi Iwai procunits, false); 25200f292f02SJorge Sanjuan case UAC_VERSION_3: 25210f292f02SJorge Sanjuan return build_audio_procunit(state, unitid, raw_desc, 2522ca95c7bfSTakashi Iwai uac3_procunits, false); 25230f292f02SJorge Sanjuan } 2524f0b5e634SDaniel Mack } 2525f0b5e634SDaniel Mack 25266bc170e4SDaniel Mack static int parse_audio_extension_unit(struct mixer_build *state, int unitid, 25276bc170e4SDaniel Mack void *raw_desc) 2528f0b5e634SDaniel Mack { 25296bc170e4SDaniel Mack /* 25306bc170e4SDaniel Mack * Note that we parse extension units with processing unit descriptors. 25316bc170e4SDaniel Mack * That's ok as the layout is the same. 25326bc170e4SDaniel Mack */ 2533ca95c7bfSTakashi Iwai return build_audio_procunit(state, unitid, raw_desc, extunits, true); 2534f0b5e634SDaniel Mack } 2535f0b5e634SDaniel Mack 2536f0b5e634SDaniel Mack /* 2537f0b5e634SDaniel Mack * Selector Unit 2538f0b5e634SDaniel Mack */ 2539f0b5e634SDaniel Mack 25406bc170e4SDaniel Mack /* 25416bc170e4SDaniel Mack * info callback for selector unit 2542f0b5e634SDaniel Mack * use an enumerator type for routing 2543f0b5e634SDaniel Mack */ 25446bc170e4SDaniel Mack static int mixer_ctl_selector_info(struct snd_kcontrol *kcontrol, 25456bc170e4SDaniel Mack struct snd_ctl_elem_info *uinfo) 2546f0b5e634SDaniel Mack { 2547f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval = kcontrol->private_data; 25482a1803a7SClemens Ladisch const char **itemlist = (const char **)kcontrol->private_value; 2549f0b5e634SDaniel Mack 2550f0b5e634SDaniel Mack if (snd_BUG_ON(!itemlist)) 2551f0b5e634SDaniel Mack return -EINVAL; 25522a1803a7SClemens Ladisch return snd_ctl_enum_info(uinfo, 1, cval->max, itemlist); 2553f0b5e634SDaniel Mack } 2554f0b5e634SDaniel Mack 2555f0b5e634SDaniel Mack /* get callback for selector unit */ 25566bc170e4SDaniel Mack static int mixer_ctl_selector_get(struct snd_kcontrol *kcontrol, 25576bc170e4SDaniel Mack struct snd_ctl_elem_value *ucontrol) 2558f0b5e634SDaniel Mack { 2559f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval = kcontrol->private_data; 2560f0b5e634SDaniel Mack int val, err; 2561f0b5e634SDaniel Mack 256209414207SDaniel Mack err = get_cur_ctl_value(cval, cval->control << 8, &val); 2563f0b5e634SDaniel Mack if (err < 0) { 2564f0b5e634SDaniel Mack ucontrol->value.enumerated.item[0] = 0; 25655aeee342STakashi Iwai return filter_error(cval, err); 2566f0b5e634SDaniel Mack } 2567f0b5e634SDaniel Mack val = get_relative_value(cval, val); 2568f0b5e634SDaniel Mack ucontrol->value.enumerated.item[0] = val; 2569f0b5e634SDaniel Mack return 0; 2570f0b5e634SDaniel Mack } 2571f0b5e634SDaniel Mack 2572f0b5e634SDaniel Mack /* put callback for selector unit */ 25736bc170e4SDaniel Mack static int mixer_ctl_selector_put(struct snd_kcontrol *kcontrol, 25746bc170e4SDaniel Mack struct snd_ctl_elem_value *ucontrol) 2575f0b5e634SDaniel Mack { 2576f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval = kcontrol->private_data; 2577f0b5e634SDaniel Mack int val, oval, err; 2578f0b5e634SDaniel Mack 257909414207SDaniel Mack err = get_cur_ctl_value(cval, cval->control << 8, &oval); 25805aeee342STakashi Iwai if (err < 0) 25815aeee342STakashi Iwai return filter_error(cval, err); 2582f0b5e634SDaniel Mack val = ucontrol->value.enumerated.item[0]; 2583f0b5e634SDaniel Mack val = get_abs_value(cval, val); 2584f0b5e634SDaniel Mack if (val != oval) { 258509414207SDaniel Mack set_cur_ctl_value(cval, cval->control << 8, val); 2586f0b5e634SDaniel Mack return 1; 2587f0b5e634SDaniel Mack } 2588f0b5e634SDaniel Mack return 0; 2589f0b5e634SDaniel Mack } 2590f0b5e634SDaniel Mack 2591f0b5e634SDaniel Mack /* alsa control interface for selector unit */ 25928fdaebbbSBhumika Goyal static const struct snd_kcontrol_new mixer_selectunit_ctl = { 2593f0b5e634SDaniel Mack .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 2594f0b5e634SDaniel Mack .name = "", /* will be filled later */ 2595f0b5e634SDaniel Mack .info = mixer_ctl_selector_info, 2596f0b5e634SDaniel Mack .get = mixer_ctl_selector_get, 2597f0b5e634SDaniel Mack .put = mixer_ctl_selector_put, 2598f0b5e634SDaniel Mack }; 2599f0b5e634SDaniel Mack 26006bc170e4SDaniel Mack /* 26016bc170e4SDaniel Mack * private free callback. 2602f0b5e634SDaniel Mack * free both private_data and private_value 2603f0b5e634SDaniel Mack */ 2604f0b5e634SDaniel Mack static void usb_mixer_selector_elem_free(struct snd_kcontrol *kctl) 2605f0b5e634SDaniel Mack { 2606f0b5e634SDaniel Mack int i, num_ins = 0; 2607f0b5e634SDaniel Mack 2608f0b5e634SDaniel Mack if (kctl->private_data) { 2609f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval = kctl->private_data; 2610f0b5e634SDaniel Mack num_ins = cval->max; 261152c3e317STakashi Iwai usb_mixer_elem_info_free(cval); 2612f0b5e634SDaniel Mack kctl->private_data = NULL; 2613f0b5e634SDaniel Mack } 2614f0b5e634SDaniel Mack if (kctl->private_value) { 2615f0b5e634SDaniel Mack char **itemlist = (char **)kctl->private_value; 2616f0b5e634SDaniel Mack for (i = 0; i < num_ins; i++) 2617f0b5e634SDaniel Mack kfree(itemlist[i]); 2618f0b5e634SDaniel Mack kfree(itemlist); 2619f0b5e634SDaniel Mack kctl->private_value = 0; 2620f0b5e634SDaniel Mack } 2621f0b5e634SDaniel Mack } 2622f0b5e634SDaniel Mack 2623f0b5e634SDaniel Mack /* 2624f0b5e634SDaniel Mack * parse a selector unit 2625f0b5e634SDaniel Mack */ 26266bc170e4SDaniel Mack static int parse_audio_selector_unit(struct mixer_build *state, int unitid, 26276bc170e4SDaniel Mack void *raw_desc) 2628f0b5e634SDaniel Mack { 262999fc8645SDaniel Mack struct uac_selector_unit_descriptor *desc = raw_desc; 2630f0b5e634SDaniel Mack unsigned int i, nameid, len; 2631f0b5e634SDaniel Mack int err; 2632f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval; 2633f0b5e634SDaniel Mack struct snd_kcontrol *kctl; 2634f0b5e634SDaniel Mack const struct usbmix_name_map *map; 2635f0b5e634SDaniel Mack char **namelist; 2636f0b5e634SDaniel Mack 263799fc8645SDaniel Mack for (i = 0; i < desc->bNrInPins; i++) { 2638f25ecf8fSTakashi Iwai err = parse_audio_unit(state, desc->baSourceID[i]); 2639f25ecf8fSTakashi Iwai if (err < 0) 2640f0b5e634SDaniel Mack return err; 2641f0b5e634SDaniel Mack } 2642f0b5e634SDaniel Mack 264399fc8645SDaniel Mack if (desc->bNrInPins == 1) /* only one ? nonsense! */ 2644f0b5e634SDaniel Mack return 0; 2645f0b5e634SDaniel Mack 264617156f23SRuslan Bilovol map = find_map(state->map, unitid, 0); 2647f0b5e634SDaniel Mack if (check_ignored_ctl(map)) 2648f0b5e634SDaniel Mack return 0; 2649f0b5e634SDaniel Mack 2650f0b5e634SDaniel Mack cval = kzalloc(sizeof(*cval), GFP_KERNEL); 2651a860d95fSDaniel Mack if (!cval) 2652f0b5e634SDaniel Mack return -ENOMEM; 26533360b84bSTakashi Iwai snd_usb_mixer_elem_init_std(&cval->head, state->mixer, unitid); 2654f0b5e634SDaniel Mack cval->val_type = USB_MIXER_U8; 2655f0b5e634SDaniel Mack cval->channels = 1; 2656f0b5e634SDaniel Mack cval->min = 1; 265799fc8645SDaniel Mack cval->max = desc->bNrInPins; 2658f0b5e634SDaniel Mack cval->res = 1; 2659f0b5e634SDaniel Mack cval->initialized = 1; 2660f0b5e634SDaniel Mack 2661c77e1ef1SJorge Sanjuan switch (state->mixer->protocol) { 2662c77e1ef1SJorge Sanjuan case UAC_VERSION_1: 2663c77e1ef1SJorge Sanjuan default: 266409414207SDaniel Mack cval->control = 0; 2665c77e1ef1SJorge Sanjuan break; 2666c77e1ef1SJorge Sanjuan case UAC_VERSION_2: 2667c77e1ef1SJorge Sanjuan case UAC_VERSION_3: 2668c77e1ef1SJorge Sanjuan if (desc->bDescriptorSubtype == UAC2_CLOCK_SELECTOR || 2669c77e1ef1SJorge Sanjuan desc->bDescriptorSubtype == UAC3_CLOCK_SELECTOR) 2670c77e1ef1SJorge Sanjuan cval->control = UAC2_CX_CLOCK_SELECTOR; 2671c77e1ef1SJorge Sanjuan else /* UAC2/3_SELECTOR_UNIT */ 2672c77e1ef1SJorge Sanjuan cval->control = UAC2_SU_SELECTOR; 2673c77e1ef1SJorge Sanjuan break; 2674c77e1ef1SJorge Sanjuan } 267509414207SDaniel Mack 267652c3e317STakashi Iwai namelist = kcalloc(desc->bNrInPins, sizeof(char *), GFP_KERNEL); 2677f0b5e634SDaniel Mack if (!namelist) { 267852c3e317STakashi Iwai err = -ENOMEM; 267952c3e317STakashi Iwai goto error_cval; 2680f0b5e634SDaniel Mack } 2681f0b5e634SDaniel Mack #define MAX_ITEM_NAME_LEN 64 268299fc8645SDaniel Mack for (i = 0; i < desc->bNrInPins; i++) { 2683f0b5e634SDaniel Mack struct usb_audio_term iterm; 2684f0b5e634SDaniel Mack len = 0; 2685f0b5e634SDaniel Mack namelist[i] = kmalloc(MAX_ITEM_NAME_LEN, GFP_KERNEL); 2686f0b5e634SDaniel Mack if (!namelist[i]) { 268752c3e317STakashi Iwai err = -ENOMEM; 268852c3e317STakashi Iwai goto error_name; 2689f0b5e634SDaniel Mack } 2690f0b5e634SDaniel Mack len = check_mapped_selector_name(state, unitid, i, namelist[i], 2691f0b5e634SDaniel Mack MAX_ITEM_NAME_LEN); 269299fc8645SDaniel Mack if (! len && check_input_term(state, desc->baSourceID[i], &iterm) >= 0) 2693eccfc1b8SRuslan Bilovol len = get_term_name(state->chip, &iterm, namelist[i], 2694eccfc1b8SRuslan Bilovol MAX_ITEM_NAME_LEN, 0); 2695f0b5e634SDaniel Mack if (! len) 2696af831eefSMasanari Iida sprintf(namelist[i], "Input %u", i); 2697f0b5e634SDaniel Mack } 2698f0b5e634SDaniel Mack 2699f0b5e634SDaniel Mack kctl = snd_ctl_new1(&mixer_selectunit_ctl, cval); 2700f0b5e634SDaniel Mack if (! kctl) { 27010ba41d91STakashi Iwai usb_audio_err(state->chip, "cannot malloc kcontrol\n"); 270252c3e317STakashi Iwai err = -ENOMEM; 270352c3e317STakashi Iwai goto error_name; 2704f0b5e634SDaniel Mack } 2705f0b5e634SDaniel Mack kctl->private_value = (unsigned long)namelist; 2706f0b5e634SDaniel Mack kctl->private_free = usb_mixer_selector_elem_free; 2707f0b5e634SDaniel Mack 27085a15f289STakashi Iwai /* check the static mapping table at first */ 2709f0b5e634SDaniel Mack len = check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name)); 27105a15f289STakashi Iwai if (!len) { 27115a15f289STakashi Iwai /* no mapping ? */ 2712c77e1ef1SJorge Sanjuan switch (state->mixer->protocol) { 2713c77e1ef1SJorge Sanjuan case UAC_VERSION_1: 2714c77e1ef1SJorge Sanjuan case UAC_VERSION_2: 2715c77e1ef1SJorge Sanjuan default: 27165a15f289STakashi Iwai /* if iSelector is given, use it */ 27175a15f289STakashi Iwai nameid = uac_selector_unit_iSelector(desc); 27185a15f289STakashi Iwai if (nameid) 2719c77e1ef1SJorge Sanjuan len = snd_usb_copy_string_desc(state->chip, 2720c77e1ef1SJorge Sanjuan nameid, kctl->id.name, 27216bc170e4SDaniel Mack sizeof(kctl->id.name)); 2722c77e1ef1SJorge Sanjuan break; 2723c77e1ef1SJorge Sanjuan case UAC_VERSION_3: 2724c77e1ef1SJorge Sanjuan /* TODO: Class-Specific strings not yet supported */ 2725c77e1ef1SJorge Sanjuan break; 2726c77e1ef1SJorge Sanjuan } 2727c77e1ef1SJorge Sanjuan 27285a15f289STakashi Iwai /* ... or pick up the terminal name at next */ 27295a15f289STakashi Iwai if (!len) 2730eccfc1b8SRuslan Bilovol len = get_term_name(state->chip, &state->oterm, 2731f0b5e634SDaniel Mack kctl->id.name, sizeof(kctl->id.name), 0); 27325a15f289STakashi Iwai /* ... or use the fixed string "USB" as the last resort */ 2733f0b5e634SDaniel Mack if (!len) 2734f0b5e634SDaniel Mack strlcpy(kctl->id.name, "USB", sizeof(kctl->id.name)); 2735f0b5e634SDaniel Mack 27365a15f289STakashi Iwai /* and add the proper suffix */ 2737c77e1ef1SJorge Sanjuan if (desc->bDescriptorSubtype == UAC2_CLOCK_SELECTOR || 2738c77e1ef1SJorge Sanjuan desc->bDescriptorSubtype == UAC3_CLOCK_SELECTOR) 273909414207SDaniel Mack append_ctl_name(kctl, " Clock Source"); 274009414207SDaniel Mack else if ((state->oterm.type & 0xff00) == 0x0100) 2741f0b5e634SDaniel Mack append_ctl_name(kctl, " Capture Source"); 2742f0b5e634SDaniel Mack else 2743f0b5e634SDaniel Mack append_ctl_name(kctl, " Playback Source"); 2744f0b5e634SDaniel Mack } 2745f0b5e634SDaniel Mack 27460ba41d91STakashi Iwai usb_audio_dbg(state->chip, "[%d] SU [%s] items = %d\n", 27473360b84bSTakashi Iwai cval->head.id, kctl->id.name, desc->bNrInPins); 27483360b84bSTakashi Iwai return snd_usb_mixer_add_control(&cval->head, kctl); 274952c3e317STakashi Iwai 275052c3e317STakashi Iwai error_name: 275152c3e317STakashi Iwai for (i = 0; i < desc->bNrInPins; i++) 275252c3e317STakashi Iwai kfree(namelist[i]); 275352c3e317STakashi Iwai kfree(namelist); 275452c3e317STakashi Iwai error_cval: 275552c3e317STakashi Iwai usb_mixer_elem_info_free(cval); 275652c3e317STakashi Iwai return err; 2757f0b5e634SDaniel Mack } 2758f0b5e634SDaniel Mack 2759f0b5e634SDaniel Mack /* 2760f0b5e634SDaniel Mack * parse an audio unit recursively 2761f0b5e634SDaniel Mack */ 2762f0b5e634SDaniel Mack 2763f0b5e634SDaniel Mack static int parse_audio_unit(struct mixer_build *state, int unitid) 2764f0b5e634SDaniel Mack { 2765f0b5e634SDaniel Mack unsigned char *p1; 27669a2fe9b8SRuslan Bilovol int protocol = state->mixer->protocol; 2767f0b5e634SDaniel Mack 2768f0b5e634SDaniel Mack if (test_and_set_bit(unitid, state->unitbitmap)) 2769f0b5e634SDaniel Mack return 0; /* the unit already visited */ 2770f0b5e634SDaniel Mack 2771f0b5e634SDaniel Mack p1 = find_audio_control_unit(state, unitid); 2772f0b5e634SDaniel Mack if (!p1) { 27730ba41d91STakashi Iwai usb_audio_err(state->chip, "unit %d not found!\n", unitid); 2774f0b5e634SDaniel Mack return -EINVAL; 2775f0b5e634SDaniel Mack } 2776f0b5e634SDaniel Mack 277757f87706STakashi Iwai if (!snd_usb_validate_audio_desc(p1, protocol)) { 277857f87706STakashi Iwai usb_audio_dbg(state->chip, "invalid unit %d\n", unitid); 277957f87706STakashi Iwai return 0; /* skip invalid unit */ 278057f87706STakashi Iwai } 278157f87706STakashi Iwai 278268e9fde2STakashi Iwai switch (PTYPE(protocol, p1[2])) { 278368e9fde2STakashi Iwai case PTYPE(UAC_VERSION_1, UAC_INPUT_TERMINAL): 278468e9fde2STakashi Iwai case PTYPE(UAC_VERSION_2, UAC_INPUT_TERMINAL): 278568e9fde2STakashi Iwai case PTYPE(UAC_VERSION_3, UAC_INPUT_TERMINAL): 27865a222e84SAndrew Chant return parse_audio_input_terminal(state, unitid, p1); 278768e9fde2STakashi Iwai case PTYPE(UAC_VERSION_1, UAC_MIXER_UNIT): 278868e9fde2STakashi Iwai case PTYPE(UAC_VERSION_2, UAC_MIXER_UNIT): 278968e9fde2STakashi Iwai case PTYPE(UAC_VERSION_3, UAC3_MIXER_UNIT): 2790f0b5e634SDaniel Mack return parse_audio_mixer_unit(state, unitid, p1); 279168e9fde2STakashi Iwai case PTYPE(UAC_VERSION_2, UAC2_CLOCK_SOURCE): 279268e9fde2STakashi Iwai case PTYPE(UAC_VERSION_3, UAC3_CLOCK_SOURCE): 2793cddaafb9SDaniel Mack return parse_clock_source_unit(state, unitid, p1); 279468e9fde2STakashi Iwai case PTYPE(UAC_VERSION_1, UAC_SELECTOR_UNIT): 279568e9fde2STakashi Iwai case PTYPE(UAC_VERSION_2, UAC_SELECTOR_UNIT): 279668e9fde2STakashi Iwai case PTYPE(UAC_VERSION_3, UAC3_SELECTOR_UNIT): 279768e9fde2STakashi Iwai case PTYPE(UAC_VERSION_2, UAC2_CLOCK_SELECTOR): 279868e9fde2STakashi Iwai case PTYPE(UAC_VERSION_3, UAC3_CLOCK_SELECTOR): 2799f0b5e634SDaniel Mack return parse_audio_selector_unit(state, unitid, p1); 280068e9fde2STakashi Iwai case PTYPE(UAC_VERSION_1, UAC_FEATURE_UNIT): 280168e9fde2STakashi Iwai case PTYPE(UAC_VERSION_2, UAC_FEATURE_UNIT): 280268e9fde2STakashi Iwai case PTYPE(UAC_VERSION_3, UAC3_FEATURE_UNIT): 2803f0b5e634SDaniel Mack return parse_audio_feature_unit(state, unitid, p1); 280468e9fde2STakashi Iwai case PTYPE(UAC_VERSION_1, UAC1_PROCESSING_UNIT): 280568e9fde2STakashi Iwai case PTYPE(UAC_VERSION_2, UAC2_PROCESSING_UNIT_V2): 280668e9fde2STakashi Iwai case PTYPE(UAC_VERSION_3, UAC3_PROCESSING_UNIT): 2807f0b5e634SDaniel Mack return parse_audio_processing_unit(state, unitid, p1); 280868e9fde2STakashi Iwai case PTYPE(UAC_VERSION_1, UAC1_EXTENSION_UNIT): 280968e9fde2STakashi Iwai case PTYPE(UAC_VERSION_2, UAC2_EXTENSION_UNIT_V2): 281068e9fde2STakashi Iwai case PTYPE(UAC_VERSION_3, UAC3_EXTENSION_UNIT): 281168e9fde2STakashi Iwai return parse_audio_extension_unit(state, unitid, p1); 281268e9fde2STakashi Iwai case PTYPE(UAC_VERSION_2, UAC2_EFFECT_UNIT): 281368e9fde2STakashi Iwai case PTYPE(UAC_VERSION_3, UAC3_EFFECT_UNIT): 281423caaf19SDaniel Mack return 0; /* FIXME - effect units not implemented yet */ 2815f0b5e634SDaniel Mack default: 28160ba41d91STakashi Iwai usb_audio_err(state->chip, 281768e9fde2STakashi Iwai "unit %u: unexpected type 0x%02x\n", 281868e9fde2STakashi Iwai unitid, p1[2]); 2819f0b5e634SDaniel Mack return -EINVAL; 2820f0b5e634SDaniel Mack } 2821f0b5e634SDaniel Mack } 2822f0b5e634SDaniel Mack 2823f0b5e634SDaniel Mack static void snd_usb_mixer_free(struct usb_mixer_interface *mixer) 2824f0b5e634SDaniel Mack { 2825124751d5STakashi Iwai /* kill pending URBs */ 2826124751d5STakashi Iwai snd_usb_mixer_disconnect(mixer); 2827124751d5STakashi Iwai 2828f0b5e634SDaniel Mack kfree(mixer->id_elems); 2829f0b5e634SDaniel Mack if (mixer->urb) { 2830f0b5e634SDaniel Mack kfree(mixer->urb->transfer_buffer); 2831f0b5e634SDaniel Mack usb_free_urb(mixer->urb); 2832f0b5e634SDaniel Mack } 2833f0b5e634SDaniel Mack usb_free_urb(mixer->rc_urb); 2834f0b5e634SDaniel Mack kfree(mixer->rc_setup_packet); 2835f0b5e634SDaniel Mack kfree(mixer); 2836f0b5e634SDaniel Mack } 2837f0b5e634SDaniel Mack 2838f0b5e634SDaniel Mack static int snd_usb_mixer_dev_free(struct snd_device *device) 2839f0b5e634SDaniel Mack { 2840f0b5e634SDaniel Mack struct usb_mixer_interface *mixer = device->device_data; 2841f0b5e634SDaniel Mack snd_usb_mixer_free(mixer); 2842f0b5e634SDaniel Mack return 0; 2843f0b5e634SDaniel Mack } 2844f0b5e634SDaniel Mack 284517156f23SRuslan Bilovol /* UAC3 predefined channels configuration */ 284617156f23SRuslan Bilovol struct uac3_badd_profile { 284717156f23SRuslan Bilovol int subclass; 284817156f23SRuslan Bilovol const char *name; 284917156f23SRuslan Bilovol int c_chmask; /* capture channels mask */ 285017156f23SRuslan Bilovol int p_chmask; /* playback channels mask */ 285117156f23SRuslan Bilovol int st_chmask; /* side tone mixing channel mask */ 285217156f23SRuslan Bilovol }; 285317156f23SRuslan Bilovol 2854a01df925STakashi Iwai static const struct uac3_badd_profile uac3_badd_profiles[] = { 285517156f23SRuslan Bilovol { 285617156f23SRuslan Bilovol /* 285717156f23SRuslan Bilovol * BAIF, BAOF or combination of both 285817156f23SRuslan Bilovol * IN: Mono or Stereo cfg, Mono alt possible 285917156f23SRuslan Bilovol * OUT: Mono or Stereo cfg, Mono alt possible 286017156f23SRuslan Bilovol */ 286117156f23SRuslan Bilovol .subclass = UAC3_FUNCTION_SUBCLASS_GENERIC_IO, 286217156f23SRuslan Bilovol .name = "GENERIC IO", 286317156f23SRuslan Bilovol .c_chmask = -1, /* dynamic channels */ 286417156f23SRuslan Bilovol .p_chmask = -1, /* dynamic channels */ 286517156f23SRuslan Bilovol }, 286617156f23SRuslan Bilovol { 286717156f23SRuslan Bilovol /* BAOF; Stereo only cfg, Mono alt possible */ 286817156f23SRuslan Bilovol .subclass = UAC3_FUNCTION_SUBCLASS_HEADPHONE, 286917156f23SRuslan Bilovol .name = "HEADPHONE", 287017156f23SRuslan Bilovol .p_chmask = 3, 287117156f23SRuslan Bilovol }, 287217156f23SRuslan Bilovol { 287317156f23SRuslan Bilovol /* BAOF; Mono or Stereo cfg, Mono alt possible */ 287417156f23SRuslan Bilovol .subclass = UAC3_FUNCTION_SUBCLASS_SPEAKER, 287517156f23SRuslan Bilovol .name = "SPEAKER", 287617156f23SRuslan Bilovol .p_chmask = -1, /* dynamic channels */ 287717156f23SRuslan Bilovol }, 287817156f23SRuslan Bilovol { 287917156f23SRuslan Bilovol /* BAIF; Mono or Stereo cfg, Mono alt possible */ 288017156f23SRuslan Bilovol .subclass = UAC3_FUNCTION_SUBCLASS_MICROPHONE, 288117156f23SRuslan Bilovol .name = "MICROPHONE", 288217156f23SRuslan Bilovol .c_chmask = -1, /* dynamic channels */ 288317156f23SRuslan Bilovol }, 288417156f23SRuslan Bilovol { 288517156f23SRuslan Bilovol /* 288617156f23SRuslan Bilovol * BAIOF topology 288717156f23SRuslan Bilovol * IN: Mono only 288817156f23SRuslan Bilovol * OUT: Mono or Stereo cfg, Mono alt possible 288917156f23SRuslan Bilovol */ 289017156f23SRuslan Bilovol .subclass = UAC3_FUNCTION_SUBCLASS_HEADSET, 289117156f23SRuslan Bilovol .name = "HEADSET", 289217156f23SRuslan Bilovol .c_chmask = 1, 289317156f23SRuslan Bilovol .p_chmask = -1, /* dynamic channels */ 289417156f23SRuslan Bilovol .st_chmask = 1, 289517156f23SRuslan Bilovol }, 289617156f23SRuslan Bilovol { 289717156f23SRuslan Bilovol /* BAIOF; IN: Mono only; OUT: Stereo only, Mono alt possible */ 289817156f23SRuslan Bilovol .subclass = UAC3_FUNCTION_SUBCLASS_HEADSET_ADAPTER, 289917156f23SRuslan Bilovol .name = "HEADSET ADAPTER", 290017156f23SRuslan Bilovol .c_chmask = 1, 290117156f23SRuslan Bilovol .p_chmask = 3, 290217156f23SRuslan Bilovol .st_chmask = 1, 290317156f23SRuslan Bilovol }, 290417156f23SRuslan Bilovol { 290517156f23SRuslan Bilovol /* BAIF + BAOF; IN: Mono only; OUT: Mono only */ 290617156f23SRuslan Bilovol .subclass = UAC3_FUNCTION_SUBCLASS_SPEAKERPHONE, 290717156f23SRuslan Bilovol .name = "SPEAKERPHONE", 290817156f23SRuslan Bilovol .c_chmask = 1, 290917156f23SRuslan Bilovol .p_chmask = 1, 291017156f23SRuslan Bilovol }, 291117156f23SRuslan Bilovol { 0 } /* terminator */ 291217156f23SRuslan Bilovol }; 291317156f23SRuslan Bilovol 291417156f23SRuslan Bilovol static bool uac3_badd_func_has_valid_channels(struct usb_mixer_interface *mixer, 2915a01df925STakashi Iwai const struct uac3_badd_profile *f, 291617156f23SRuslan Bilovol int c_chmask, int p_chmask) 291717156f23SRuslan Bilovol { 291817156f23SRuslan Bilovol /* 291917156f23SRuslan Bilovol * If both playback/capture channels are dynamic, make sure 292017156f23SRuslan Bilovol * at least one channel is present 292117156f23SRuslan Bilovol */ 292217156f23SRuslan Bilovol if (f->c_chmask < 0 && f->p_chmask < 0) { 292317156f23SRuslan Bilovol if (!c_chmask && !p_chmask) { 292417156f23SRuslan Bilovol usb_audio_warn(mixer->chip, "BAAD %s: no channels?", 292517156f23SRuslan Bilovol f->name); 292617156f23SRuslan Bilovol return false; 292717156f23SRuslan Bilovol } 292817156f23SRuslan Bilovol return true; 292917156f23SRuslan Bilovol } 293017156f23SRuslan Bilovol 293117156f23SRuslan Bilovol if ((f->c_chmask < 0 && !c_chmask) || 293217156f23SRuslan Bilovol (f->c_chmask >= 0 && f->c_chmask != c_chmask)) { 293317156f23SRuslan Bilovol usb_audio_warn(mixer->chip, "BAAD %s c_chmask mismatch", 293417156f23SRuslan Bilovol f->name); 293517156f23SRuslan Bilovol return false; 293617156f23SRuslan Bilovol } 293717156f23SRuslan Bilovol if ((f->p_chmask < 0 && !p_chmask) || 293817156f23SRuslan Bilovol (f->p_chmask >= 0 && f->p_chmask != p_chmask)) { 293917156f23SRuslan Bilovol usb_audio_warn(mixer->chip, "BAAD %s p_chmask mismatch", 294017156f23SRuslan Bilovol f->name); 294117156f23SRuslan Bilovol return false; 294217156f23SRuslan Bilovol } 294317156f23SRuslan Bilovol return true; 294417156f23SRuslan Bilovol } 294517156f23SRuslan Bilovol 294617156f23SRuslan Bilovol /* 294717156f23SRuslan Bilovol * create mixer controls for UAC3 BADD profiles 294817156f23SRuslan Bilovol * 294917156f23SRuslan Bilovol * UAC3 BADD device doesn't contain CS descriptors thus we will guess everything 295017156f23SRuslan Bilovol * 295117156f23SRuslan Bilovol * BADD device may contain Mixer Unit, which doesn't have any controls, skip it 295217156f23SRuslan Bilovol */ 295317156f23SRuslan Bilovol static int snd_usb_mixer_controls_badd(struct usb_mixer_interface *mixer, 295417156f23SRuslan Bilovol int ctrlif) 295517156f23SRuslan Bilovol { 295617156f23SRuslan Bilovol struct usb_device *dev = mixer->chip->dev; 295717156f23SRuslan Bilovol struct usb_interface_assoc_descriptor *assoc; 295817156f23SRuslan Bilovol int badd_profile = mixer->chip->badd_profile; 2959a01df925STakashi Iwai const struct uac3_badd_profile *f; 296017156f23SRuslan Bilovol const struct usbmix_ctl_map *map; 296117156f23SRuslan Bilovol int p_chmask = 0, c_chmask = 0, st_chmask = 0; 296217156f23SRuslan Bilovol int i; 296317156f23SRuslan Bilovol 296417156f23SRuslan Bilovol assoc = usb_ifnum_to_if(dev, ctrlif)->intf_assoc; 296517156f23SRuslan Bilovol 296617156f23SRuslan Bilovol /* Detect BADD capture/playback channels from AS EP descriptors */ 296717156f23SRuslan Bilovol for (i = 0; i < assoc->bInterfaceCount; i++) { 296817156f23SRuslan Bilovol int intf = assoc->bFirstInterface + i; 296917156f23SRuslan Bilovol 297017156f23SRuslan Bilovol struct usb_interface *iface; 297117156f23SRuslan Bilovol struct usb_host_interface *alts; 297217156f23SRuslan Bilovol struct usb_interface_descriptor *altsd; 297317156f23SRuslan Bilovol unsigned int maxpacksize; 297417156f23SRuslan Bilovol char dir_in; 297517156f23SRuslan Bilovol int chmask, num; 297617156f23SRuslan Bilovol 297717156f23SRuslan Bilovol if (intf == ctrlif) 297817156f23SRuslan Bilovol continue; 297917156f23SRuslan Bilovol 298017156f23SRuslan Bilovol iface = usb_ifnum_to_if(dev, intf); 29819435f2bbSTakashi Iwai if (!iface) 29829435f2bbSTakashi Iwai continue; 29839435f2bbSTakashi Iwai 298417156f23SRuslan Bilovol num = iface->num_altsetting; 298517156f23SRuslan Bilovol 298617156f23SRuslan Bilovol if (num < 2) 298717156f23SRuslan Bilovol return -EINVAL; 298817156f23SRuslan Bilovol 298917156f23SRuslan Bilovol /* 299017156f23SRuslan Bilovol * The number of Channels in an AudioStreaming interface 299117156f23SRuslan Bilovol * and the audio sample bit resolution (16 bits or 24 299217156f23SRuslan Bilovol * bits) can be derived from the wMaxPacketSize field in 299317156f23SRuslan Bilovol * the Standard AS Audio Data Endpoint descriptor in 299417156f23SRuslan Bilovol * Alternate Setting 1 299517156f23SRuslan Bilovol */ 299617156f23SRuslan Bilovol alts = &iface->altsetting[1]; 299717156f23SRuslan Bilovol altsd = get_iface_desc(alts); 299817156f23SRuslan Bilovol 299917156f23SRuslan Bilovol if (altsd->bNumEndpoints < 1) 300017156f23SRuslan Bilovol return -EINVAL; 300117156f23SRuslan Bilovol 300217156f23SRuslan Bilovol /* check direction */ 300317156f23SRuslan Bilovol dir_in = (get_endpoint(alts, 0)->bEndpointAddress & USB_DIR_IN); 300417156f23SRuslan Bilovol maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize); 300517156f23SRuslan Bilovol 300617156f23SRuslan Bilovol switch (maxpacksize) { 300717156f23SRuslan Bilovol default: 300817156f23SRuslan Bilovol usb_audio_err(mixer->chip, 300917156f23SRuslan Bilovol "incorrect wMaxPacketSize 0x%x for BADD profile\n", 301017156f23SRuslan Bilovol maxpacksize); 301117156f23SRuslan Bilovol return -EINVAL; 301217156f23SRuslan Bilovol case UAC3_BADD_EP_MAXPSIZE_SYNC_MONO_16: 301317156f23SRuslan Bilovol case UAC3_BADD_EP_MAXPSIZE_ASYNC_MONO_16: 301417156f23SRuslan Bilovol case UAC3_BADD_EP_MAXPSIZE_SYNC_MONO_24: 301517156f23SRuslan Bilovol case UAC3_BADD_EP_MAXPSIZE_ASYNC_MONO_24: 301617156f23SRuslan Bilovol chmask = 1; 301717156f23SRuslan Bilovol break; 301817156f23SRuslan Bilovol case UAC3_BADD_EP_MAXPSIZE_SYNC_STEREO_16: 301917156f23SRuslan Bilovol case UAC3_BADD_EP_MAXPSIZE_ASYNC_STEREO_16: 302017156f23SRuslan Bilovol case UAC3_BADD_EP_MAXPSIZE_SYNC_STEREO_24: 302117156f23SRuslan Bilovol case UAC3_BADD_EP_MAXPSIZE_ASYNC_STEREO_24: 302217156f23SRuslan Bilovol chmask = 3; 302317156f23SRuslan Bilovol break; 302417156f23SRuslan Bilovol } 302517156f23SRuslan Bilovol 302617156f23SRuslan Bilovol if (dir_in) 302717156f23SRuslan Bilovol c_chmask = chmask; 302817156f23SRuslan Bilovol else 302917156f23SRuslan Bilovol p_chmask = chmask; 303017156f23SRuslan Bilovol } 303117156f23SRuslan Bilovol 303217156f23SRuslan Bilovol usb_audio_dbg(mixer->chip, 303317156f23SRuslan Bilovol "UAC3 BADD profile 0x%x: detected c_chmask=%d p_chmask=%d\n", 303417156f23SRuslan Bilovol badd_profile, c_chmask, p_chmask); 303517156f23SRuslan Bilovol 303617156f23SRuslan Bilovol /* check the mapping table */ 303717156f23SRuslan Bilovol for (map = uac3_badd_usbmix_ctl_maps; map->id; map++) { 303817156f23SRuslan Bilovol if (map->id == badd_profile) 303917156f23SRuslan Bilovol break; 304017156f23SRuslan Bilovol } 304117156f23SRuslan Bilovol 304217156f23SRuslan Bilovol if (!map->id) 304317156f23SRuslan Bilovol return -EINVAL; 304417156f23SRuslan Bilovol 304517156f23SRuslan Bilovol for (f = uac3_badd_profiles; f->name; f++) { 304617156f23SRuslan Bilovol if (badd_profile == f->subclass) 304717156f23SRuslan Bilovol break; 304817156f23SRuslan Bilovol } 304917156f23SRuslan Bilovol if (!f->name) 305017156f23SRuslan Bilovol return -EINVAL; 305117156f23SRuslan Bilovol if (!uac3_badd_func_has_valid_channels(mixer, f, c_chmask, p_chmask)) 305217156f23SRuslan Bilovol return -EINVAL; 305317156f23SRuslan Bilovol st_chmask = f->st_chmask; 305417156f23SRuslan Bilovol 305517156f23SRuslan Bilovol /* Playback */ 305617156f23SRuslan Bilovol if (p_chmask) { 305717156f23SRuslan Bilovol /* Master channel, always writable */ 305817156f23SRuslan Bilovol build_feature_ctl_badd(mixer, 0, UAC_FU_MUTE, 305917156f23SRuslan Bilovol UAC3_BADD_FU_ID2, map->map); 306017156f23SRuslan Bilovol /* Mono/Stereo volume channels, always writable */ 306117156f23SRuslan Bilovol build_feature_ctl_badd(mixer, p_chmask, UAC_FU_VOLUME, 306217156f23SRuslan Bilovol UAC3_BADD_FU_ID2, map->map); 306317156f23SRuslan Bilovol } 306417156f23SRuslan Bilovol 306517156f23SRuslan Bilovol /* Capture */ 306617156f23SRuslan Bilovol if (c_chmask) { 306717156f23SRuslan Bilovol /* Master channel, always writable */ 306817156f23SRuslan Bilovol build_feature_ctl_badd(mixer, 0, UAC_FU_MUTE, 306917156f23SRuslan Bilovol UAC3_BADD_FU_ID5, map->map); 307017156f23SRuslan Bilovol /* Mono/Stereo volume channels, always writable */ 307117156f23SRuslan Bilovol build_feature_ctl_badd(mixer, c_chmask, UAC_FU_VOLUME, 307217156f23SRuslan Bilovol UAC3_BADD_FU_ID5, map->map); 307317156f23SRuslan Bilovol } 307417156f23SRuslan Bilovol 307517156f23SRuslan Bilovol /* Side tone-mixing */ 307617156f23SRuslan Bilovol if (st_chmask) { 307717156f23SRuslan Bilovol /* Master channel, always writable */ 307817156f23SRuslan Bilovol build_feature_ctl_badd(mixer, 0, UAC_FU_MUTE, 307917156f23SRuslan Bilovol UAC3_BADD_FU_ID7, map->map); 308017156f23SRuslan Bilovol /* Mono volume channel, always writable */ 308117156f23SRuslan Bilovol build_feature_ctl_badd(mixer, 1, UAC_FU_VOLUME, 308217156f23SRuslan Bilovol UAC3_BADD_FU_ID7, map->map); 308317156f23SRuslan Bilovol } 308417156f23SRuslan Bilovol 30853528cd8fSJorge Sanjuan /* Insertion Control */ 30863528cd8fSJorge Sanjuan if (f->subclass == UAC3_FUNCTION_SUBCLASS_HEADSET_ADAPTER) { 30873528cd8fSJorge Sanjuan struct usb_audio_term iterm, oterm; 30883528cd8fSJorge Sanjuan 30893528cd8fSJorge Sanjuan /* Input Term - Insertion control */ 30903528cd8fSJorge Sanjuan memset(&iterm, 0, sizeof(iterm)); 30913528cd8fSJorge Sanjuan iterm.id = UAC3_BADD_IT_ID4; 30923528cd8fSJorge Sanjuan iterm.type = UAC_BIDIR_TERMINAL_HEADSET; 3093934b9659STakashi Iwai build_connector_control(mixer, map->map, &iterm, true); 30943528cd8fSJorge Sanjuan 30953528cd8fSJorge Sanjuan /* Output Term - Insertion control */ 30963528cd8fSJorge Sanjuan memset(&oterm, 0, sizeof(oterm)); 30973528cd8fSJorge Sanjuan oterm.id = UAC3_BADD_OT_ID3; 30983528cd8fSJorge Sanjuan oterm.type = UAC_BIDIR_TERMINAL_HEADSET; 3099934b9659STakashi Iwai build_connector_control(mixer, map->map, &oterm, false); 31003528cd8fSJorge Sanjuan } 31013528cd8fSJorge Sanjuan 310217156f23SRuslan Bilovol return 0; 310317156f23SRuslan Bilovol } 310417156f23SRuslan Bilovol 3105f0b5e634SDaniel Mack /* 3106f0b5e634SDaniel Mack * create mixer controls 3107f0b5e634SDaniel Mack * 3108f0b5e634SDaniel Mack * walk through all UAC_OUTPUT_TERMINAL descriptors to search for mixers 3109f0b5e634SDaniel Mack */ 3110f0b5e634SDaniel Mack static int snd_usb_mixer_controls(struct usb_mixer_interface *mixer) 3111f0b5e634SDaniel Mack { 3112f0b5e634SDaniel Mack struct mixer_build state; 3113f0b5e634SDaniel Mack int err; 3114f0b5e634SDaniel Mack const struct usbmix_ctl_map *map; 311523caaf19SDaniel Mack void *p; 3116f0b5e634SDaniel Mack 3117f0b5e634SDaniel Mack memset(&state, 0, sizeof(state)); 3118f0b5e634SDaniel Mack state.chip = mixer->chip; 3119f0b5e634SDaniel Mack state.mixer = mixer; 31201faa5d07SDaniel Mack state.buffer = mixer->hostif->extra; 31211faa5d07SDaniel Mack state.buflen = mixer->hostif->extralen; 3122f0b5e634SDaniel Mack 3123f0b5e634SDaniel Mack /* check the mapping table */ 3124f0b5e634SDaniel Mack for (map = usbmix_ctl_maps; map->id; map++) { 3125f0b5e634SDaniel Mack if (map->id == state.chip->usb_id) { 3126f0b5e634SDaniel Mack state.map = map->map; 3127f0b5e634SDaniel Mack state.selector_map = map->selector_map; 3128fef66ae7STakashi Iwai mixer->connector_map = map->connector_map; 31293507245bSTakashi Iwai mixer->ignore_ctl_error |= map->ignore_ctl_error; 3130f0b5e634SDaniel Mack break; 3131f0b5e634SDaniel Mack } 3132f0b5e634SDaniel Mack } 3133f0b5e634SDaniel Mack 313423caaf19SDaniel Mack p = NULL; 31356bc170e4SDaniel Mack while ((p = snd_usb_find_csint_desc(mixer->hostif->extra, 31366bc170e4SDaniel Mack mixer->hostif->extralen, 31371faa5d07SDaniel Mack p, UAC_OUTPUT_TERMINAL)) != NULL) { 313857f87706STakashi Iwai if (!snd_usb_validate_audio_desc(p, mixer->protocol)) 313957f87706STakashi Iwai continue; /* skip invalid descriptor */ 314057f87706STakashi Iwai 314123caaf19SDaniel Mack if (mixer->protocol == UAC_VERSION_1) { 314269da9bcbSDaniel Mack struct uac1_output_terminal_descriptor *desc = p; 314323caaf19SDaniel Mack 31446bc170e4SDaniel Mack /* mark terminal ID as visited */ 31456bc170e4SDaniel Mack set_bit(desc->bTerminalID, state.unitbitmap); 314623caaf19SDaniel Mack state.oterm.id = desc->bTerminalID; 314723caaf19SDaniel Mack state.oterm.type = le16_to_cpu(desc->wTerminalType); 314823caaf19SDaniel Mack state.oterm.name = desc->iTerminal; 314923caaf19SDaniel Mack err = parse_audio_unit(&state, desc->bSourceID); 315083ea5d18SDaniel Mack if (err < 0 && err != -EINVAL) 315123caaf19SDaniel Mack return err; 31529a2fe9b8SRuslan Bilovol } else if (mixer->protocol == UAC_VERSION_2) { 315323caaf19SDaniel Mack struct uac2_output_terminal_descriptor *desc = p; 315423caaf19SDaniel Mack 31556bc170e4SDaniel Mack /* mark terminal ID as visited */ 31566bc170e4SDaniel Mack set_bit(desc->bTerminalID, state.unitbitmap); 3157f0b5e634SDaniel Mack state.oterm.id = desc->bTerminalID; 3158f0b5e634SDaniel Mack state.oterm.type = le16_to_cpu(desc->wTerminalType); 3159f0b5e634SDaniel Mack state.oterm.name = desc->iTerminal; 3160f0b5e634SDaniel Mack err = parse_audio_unit(&state, desc->bSourceID); 316183ea5d18SDaniel Mack if (err < 0 && err != -EINVAL) 3162f0b5e634SDaniel Mack return err; 316309414207SDaniel Mack 31646bc170e4SDaniel Mack /* 31656bc170e4SDaniel Mack * For UAC2, use the same approach to also add the 31666bc170e4SDaniel Mack * clock selectors 31676bc170e4SDaniel Mack */ 316809414207SDaniel Mack err = parse_audio_unit(&state, desc->bCSourceID); 316983ea5d18SDaniel Mack if (err < 0 && err != -EINVAL) 317009414207SDaniel Mack return err; 31715a222e84SAndrew Chant 31727dc3c5a0STakashi Iwai if ((state.oterm.type & 0xff00) != 0x0100 && 31737dc3c5a0STakashi Iwai uac_v2v3_control_is_readable(le16_to_cpu(desc->bmControls), 31745a222e84SAndrew Chant UAC2_TE_CONNECTOR)) { 3175934b9659STakashi Iwai build_connector_control(state.mixer, state.map, 3176934b9659STakashi Iwai &state.oterm, false); 31775a222e84SAndrew Chant } 31789a2fe9b8SRuslan Bilovol } else { /* UAC_VERSION_3 */ 31799a2fe9b8SRuslan Bilovol struct uac3_output_terminal_descriptor *desc = p; 31809a2fe9b8SRuslan Bilovol 31819a2fe9b8SRuslan Bilovol /* mark terminal ID as visited */ 31829a2fe9b8SRuslan Bilovol set_bit(desc->bTerminalID, state.unitbitmap); 31839a2fe9b8SRuslan Bilovol state.oterm.id = desc->bTerminalID; 31849a2fe9b8SRuslan Bilovol state.oterm.type = le16_to_cpu(desc->wTerminalType); 31859a2fe9b8SRuslan Bilovol state.oterm.name = le16_to_cpu(desc->wTerminalDescrStr); 31869a2fe9b8SRuslan Bilovol err = parse_audio_unit(&state, desc->bSourceID); 31879a2fe9b8SRuslan Bilovol if (err < 0 && err != -EINVAL) 31889a2fe9b8SRuslan Bilovol return err; 31899a2fe9b8SRuslan Bilovol 31909a2fe9b8SRuslan Bilovol /* 31919a2fe9b8SRuslan Bilovol * For UAC3, use the same approach to also add the 31929a2fe9b8SRuslan Bilovol * clock selectors 31939a2fe9b8SRuslan Bilovol */ 31949a2fe9b8SRuslan Bilovol err = parse_audio_unit(&state, desc->bCSourceID); 31959a2fe9b8SRuslan Bilovol if (err < 0 && err != -EINVAL) 31969a2fe9b8SRuslan Bilovol return err; 31971d38f5d8SJorge Sanjuan 31987dc3c5a0STakashi Iwai if ((state.oterm.type & 0xff00) != 0x0100 && 31997dc3c5a0STakashi Iwai uac_v2v3_control_is_readable(le32_to_cpu(desc->bmControls), 32001d38f5d8SJorge Sanjuan UAC3_TE_INSERTION)) { 3201934b9659STakashi Iwai build_connector_control(state.mixer, state.map, 3202934b9659STakashi Iwai &state.oterm, false); 32031d38f5d8SJorge Sanjuan } 3204f0b5e634SDaniel Mack } 320523caaf19SDaniel Mack } 320623caaf19SDaniel Mack 3207f0b5e634SDaniel Mack return 0; 3208f0b5e634SDaniel Mack } 3209f0b5e634SDaniel Mack 3210fef66ae7STakashi Iwai static int delegate_notify(struct usb_mixer_interface *mixer, int unitid, 3211fef66ae7STakashi Iwai u8 *control, u8 *channel) 3212fef66ae7STakashi Iwai { 3213fef66ae7STakashi Iwai const struct usbmix_connector_map *map = mixer->connector_map; 3214fef66ae7STakashi Iwai 3215fef66ae7STakashi Iwai if (!map) 3216fef66ae7STakashi Iwai return unitid; 3217fef66ae7STakashi Iwai 3218fef66ae7STakashi Iwai for (; map->id; map++) { 3219fef66ae7STakashi Iwai if (map->id == unitid) { 3220fef66ae7STakashi Iwai if (control && map->control) 3221fef66ae7STakashi Iwai *control = map->control; 3222fef66ae7STakashi Iwai if (channel && map->channel) 3223fef66ae7STakashi Iwai *channel = map->channel; 3224fef66ae7STakashi Iwai return map->delegated_id; 3225fef66ae7STakashi Iwai } 3226fef66ae7STakashi Iwai } 3227fef66ae7STakashi Iwai return unitid; 3228fef66ae7STakashi Iwai } 3229fef66ae7STakashi Iwai 3230f0b5e634SDaniel Mack void snd_usb_mixer_notify_id(struct usb_mixer_interface *mixer, int unitid) 3231f0b5e634SDaniel Mack { 32323360b84bSTakashi Iwai struct usb_mixer_elem_list *list; 3233f0b5e634SDaniel Mack 3234fef66ae7STakashi Iwai unitid = delegate_notify(mixer, unitid, NULL, NULL); 3235fef66ae7STakashi Iwai 32368c558076STakashi Iwai for_each_mixer_elem(list, mixer, unitid) { 3237b2500b58SJulian Scheel struct usb_mixer_elem_info *info = 32388c558076STakashi Iwai mixer_elem_list_to_info(list); 3239b2500b58SJulian Scheel /* invalidate cache, so the value is read from the device */ 3240b2500b58SJulian Scheel info->cached = 0; 3241f0b5e634SDaniel Mack snd_ctl_notify(mixer->chip->card, SNDRV_CTL_EVENT_MASK_VALUE, 32423360b84bSTakashi Iwai &list->kctl->id); 3243f0b5e634SDaniel Mack } 3244b2500b58SJulian Scheel } 3245f0b5e634SDaniel Mack 3246f0b5e634SDaniel Mack static void snd_usb_mixer_dump_cval(struct snd_info_buffer *buffer, 32473360b84bSTakashi Iwai struct usb_mixer_elem_list *list) 3248f0b5e634SDaniel Mack { 32498c558076STakashi Iwai struct usb_mixer_elem_info *cval = mixer_elem_list_to_info(list); 3250a01df925STakashi Iwai static const char * const val_types[] = {"BOOLEAN", "INV_BOOLEAN", 3251f0b5e634SDaniel Mack "S8", "U8", "S16", "U16"}; 3252f0b5e634SDaniel Mack snd_iprintf(buffer, " Info: id=%i, control=%i, cmask=0x%x, " 32533360b84bSTakashi Iwai "channels=%i, type=\"%s\"\n", cval->head.id, 3254f0b5e634SDaniel Mack cval->control, cval->cmask, cval->channels, 3255f0b5e634SDaniel Mack val_types[cval->val_type]); 3256f0b5e634SDaniel Mack snd_iprintf(buffer, " Volume: min=%i, max=%i, dBmin=%i, dBmax=%i\n", 3257f0b5e634SDaniel Mack cval->min, cval->max, cval->dBmin, cval->dBmax); 3258f0b5e634SDaniel Mack } 3259f0b5e634SDaniel Mack 3260f0b5e634SDaniel Mack static void snd_usb_mixer_proc_read(struct snd_info_entry *entry, 3261f0b5e634SDaniel Mack struct snd_info_buffer *buffer) 3262f0b5e634SDaniel Mack { 3263f0b5e634SDaniel Mack struct snd_usb_audio *chip = entry->private_data; 3264f0b5e634SDaniel Mack struct usb_mixer_interface *mixer; 32653360b84bSTakashi Iwai struct usb_mixer_elem_list *list; 3266f0b5e634SDaniel Mack int unitid; 3267f0b5e634SDaniel Mack 3268f0b5e634SDaniel Mack list_for_each_entry(mixer, &chip->mixer_list, list) { 3269f0b5e634SDaniel Mack snd_iprintf(buffer, 3270f0b5e634SDaniel Mack "USB Mixer: usb_id=0x%08x, ctrlif=%i, ctlerr=%i\n", 32710aef31b7SChris Wulff chip->usb_id, mixer_ctrl_intf(mixer), 3272f0b5e634SDaniel Mack mixer->ignore_ctl_error); 3273f0b5e634SDaniel Mack snd_iprintf(buffer, "Card: %s\n", chip->card->longname); 3274f0b5e634SDaniel Mack for (unitid = 0; unitid < MAX_ID_ELEMS; unitid++) { 32758c558076STakashi Iwai for_each_mixer_elem(list, mixer, unitid) { 32763360b84bSTakashi Iwai snd_iprintf(buffer, " Unit: %i\n", list->id); 32773360b84bSTakashi Iwai if (list->kctl) 32783360b84bSTakashi Iwai snd_iprintf(buffer, 32793360b84bSTakashi Iwai " Control: name=\"%s\", index=%i\n", 32803360b84bSTakashi Iwai list->kctl->id.name, 32813360b84bSTakashi Iwai list->kctl->id.index); 32823360b84bSTakashi Iwai if (list->dump) 32833360b84bSTakashi Iwai list->dump(buffer, list); 32843360b84bSTakashi Iwai } 3285f0b5e634SDaniel Mack } 3286f0b5e634SDaniel Mack } 3287f0b5e634SDaniel Mack } 3288f0b5e634SDaniel Mack 3289e213e9cfSDaniel Mack static void snd_usb_mixer_interrupt_v2(struct usb_mixer_interface *mixer, 3290e213e9cfSDaniel Mack int attribute, int value, int index) 3291e213e9cfSDaniel Mack { 32923360b84bSTakashi Iwai struct usb_mixer_elem_list *list; 3293e213e9cfSDaniel Mack __u8 unitid = (index >> 8) & 0xff; 3294e213e9cfSDaniel Mack __u8 control = (value >> 8) & 0xff; 3295e213e9cfSDaniel Mack __u8 channel = value & 0xff; 3296191227d9SDaniel Mack unsigned int count = 0; 3297e213e9cfSDaniel Mack 3298e213e9cfSDaniel Mack if (channel >= MAX_CHANNELS) { 32990ba41d91STakashi Iwai usb_audio_dbg(mixer->chip, 33000ba41d91STakashi Iwai "%s(): bogus channel number %d\n", 3301e213e9cfSDaniel Mack __func__, channel); 3302e213e9cfSDaniel Mack return; 3303e213e9cfSDaniel Mack } 3304e213e9cfSDaniel Mack 3305fef66ae7STakashi Iwai unitid = delegate_notify(mixer, unitid, &control, &channel); 3306fef66ae7STakashi Iwai 33078c558076STakashi Iwai for_each_mixer_elem(list, mixer, unitid) 3308191227d9SDaniel Mack count++; 3309191227d9SDaniel Mack 3310191227d9SDaniel Mack if (count == 0) 3311191227d9SDaniel Mack return; 3312191227d9SDaniel Mack 33138c558076STakashi Iwai for_each_mixer_elem(list, mixer, unitid) { 33143360b84bSTakashi Iwai struct usb_mixer_elem_info *info; 33153360b84bSTakashi Iwai 33163360b84bSTakashi Iwai if (!list->kctl) 33173360b84bSTakashi Iwai continue; 33183360b84bSTakashi Iwai 33198c558076STakashi Iwai info = mixer_elem_list_to_info(list); 3320191227d9SDaniel Mack if (count > 1 && info->control != control) 3321e213e9cfSDaniel Mack continue; 3322e213e9cfSDaniel Mack 3323e213e9cfSDaniel Mack switch (attribute) { 3324e213e9cfSDaniel Mack case UAC2_CS_CUR: 3325e213e9cfSDaniel Mack /* invalidate cache, so the value is read from the device */ 3326e213e9cfSDaniel Mack if (channel) 3327e213e9cfSDaniel Mack info->cached &= ~(1 << channel); 3328e213e9cfSDaniel Mack else /* master channel */ 3329e213e9cfSDaniel Mack info->cached = 0; 3330e213e9cfSDaniel Mack 3331e213e9cfSDaniel Mack snd_ctl_notify(mixer->chip->card, SNDRV_CTL_EVENT_MASK_VALUE, 33323360b84bSTakashi Iwai &info->head.kctl->id); 3333e213e9cfSDaniel Mack break; 3334e213e9cfSDaniel Mack 3335e213e9cfSDaniel Mack case UAC2_CS_RANGE: 3336e213e9cfSDaniel Mack /* TODO */ 3337e213e9cfSDaniel Mack break; 3338e213e9cfSDaniel Mack 3339e213e9cfSDaniel Mack case UAC2_CS_MEM: 3340e213e9cfSDaniel Mack /* TODO */ 3341e213e9cfSDaniel Mack break; 3342e213e9cfSDaniel Mack 3343e213e9cfSDaniel Mack default: 33440ba41d91STakashi Iwai usb_audio_dbg(mixer->chip, 33450ba41d91STakashi Iwai "unknown attribute %d in interrupt\n", 3346e213e9cfSDaniel Mack attribute); 3347e213e9cfSDaniel Mack break; 3348e213e9cfSDaniel Mack } /* switch */ 3349e213e9cfSDaniel Mack } 3350e213e9cfSDaniel Mack } 3351e213e9cfSDaniel Mack 3352e213e9cfSDaniel Mack static void snd_usb_mixer_interrupt(struct urb *urb) 3353f0b5e634SDaniel Mack { 3354f0b5e634SDaniel Mack struct usb_mixer_interface *mixer = urb->context; 3355e213e9cfSDaniel Mack int len = urb->actual_length; 3356edf7de31SOliver Neukum int ustatus = urb->status; 3357f0b5e634SDaniel Mack 3358edf7de31SOliver Neukum if (ustatus != 0) 3359e213e9cfSDaniel Mack goto requeue; 3360f0b5e634SDaniel Mack 3361e213e9cfSDaniel Mack if (mixer->protocol == UAC_VERSION_1) { 3362e213e9cfSDaniel Mack struct uac1_status_word *status; 3363e213e9cfSDaniel Mack 3364e213e9cfSDaniel Mack for (status = urb->transfer_buffer; 3365e213e9cfSDaniel Mack len >= sizeof(*status); 3366e213e9cfSDaniel Mack len -= sizeof(*status), status++) { 33670ba41d91STakashi Iwai dev_dbg(&urb->dev->dev, "status interrupt: %02x %02x\n", 3368e213e9cfSDaniel Mack status->bStatusType, 3369e213e9cfSDaniel Mack status->bOriginator); 3370e213e9cfSDaniel Mack 3371f0b5e634SDaniel Mack /* ignore any notifications not from the control interface */ 3372e213e9cfSDaniel Mack if ((status->bStatusType & UAC1_STATUS_TYPE_ORIG_MASK) != 3373e213e9cfSDaniel Mack UAC1_STATUS_TYPE_ORIG_AUDIO_CONTROL_IF) 3374f0b5e634SDaniel Mack continue; 3375e213e9cfSDaniel Mack 3376e213e9cfSDaniel Mack if (status->bStatusType & UAC1_STATUS_TYPE_MEM_CHANGED) 3377e213e9cfSDaniel Mack snd_usb_mixer_rc_memory_change(mixer, status->bOriginator); 3378f0b5e634SDaniel Mack else 3379e213e9cfSDaniel Mack snd_usb_mixer_notify_id(mixer, status->bOriginator); 3380e213e9cfSDaniel Mack } 3381e213e9cfSDaniel Mack } else { /* UAC_VERSION_2 */ 3382e213e9cfSDaniel Mack struct uac2_interrupt_data_msg *msg; 3383e213e9cfSDaniel Mack 3384e213e9cfSDaniel Mack for (msg = urb->transfer_buffer; 3385e213e9cfSDaniel Mack len >= sizeof(*msg); 3386e213e9cfSDaniel Mack len -= sizeof(*msg), msg++) { 3387e213e9cfSDaniel Mack /* drop vendor specific and endpoint requests */ 3388e213e9cfSDaniel Mack if ((msg->bInfo & UAC2_INTERRUPT_DATA_MSG_VENDOR) || 3389e213e9cfSDaniel Mack (msg->bInfo & UAC2_INTERRUPT_DATA_MSG_EP)) 3390e213e9cfSDaniel Mack continue; 3391e213e9cfSDaniel Mack 3392e213e9cfSDaniel Mack snd_usb_mixer_interrupt_v2(mixer, msg->bAttribute, 3393e213e9cfSDaniel Mack le16_to_cpu(msg->wValue), 3394e213e9cfSDaniel Mack le16_to_cpu(msg->wIndex)); 3395f0b5e634SDaniel Mack } 3396f0b5e634SDaniel Mack } 3397e213e9cfSDaniel Mack 3398e213e9cfSDaniel Mack requeue: 33996bc170e4SDaniel Mack if (ustatus != -ENOENT && 34006bc170e4SDaniel Mack ustatus != -ECONNRESET && 34016bc170e4SDaniel Mack ustatus != -ESHUTDOWN) { 3402f0b5e634SDaniel Mack urb->dev = mixer->chip->dev; 3403f0b5e634SDaniel Mack usb_submit_urb(urb, GFP_ATOMIC); 3404f0b5e634SDaniel Mack } 3405f0b5e634SDaniel Mack } 3406f0b5e634SDaniel Mack 3407f0b5e634SDaniel Mack /* create the handler for the optional status interrupt endpoint */ 3408f0b5e634SDaniel Mack static int snd_usb_mixer_status_create(struct usb_mixer_interface *mixer) 3409f0b5e634SDaniel Mack { 3410f0b5e634SDaniel Mack struct usb_endpoint_descriptor *ep; 3411f0b5e634SDaniel Mack void *transfer_buffer; 3412f0b5e634SDaniel Mack int buffer_length; 3413f0b5e634SDaniel Mack unsigned int epnum; 3414f0b5e634SDaniel Mack 3415f0b5e634SDaniel Mack /* we need one interrupt input endpoint */ 34161faa5d07SDaniel Mack if (get_iface_desc(mixer->hostif)->bNumEndpoints < 1) 3417f0b5e634SDaniel Mack return 0; 34181faa5d07SDaniel Mack ep = get_endpoint(mixer->hostif, 0); 3419f0b5e634SDaniel Mack if (!usb_endpoint_dir_in(ep) || !usb_endpoint_xfer_int(ep)) 3420f0b5e634SDaniel Mack return 0; 3421f0b5e634SDaniel Mack 3422f0b5e634SDaniel Mack epnum = usb_endpoint_num(ep); 3423f0b5e634SDaniel Mack buffer_length = le16_to_cpu(ep->wMaxPacketSize); 3424f0b5e634SDaniel Mack transfer_buffer = kmalloc(buffer_length, GFP_KERNEL); 3425f0b5e634SDaniel Mack if (!transfer_buffer) 3426f0b5e634SDaniel Mack return -ENOMEM; 3427f0b5e634SDaniel Mack mixer->urb = usb_alloc_urb(0, GFP_KERNEL); 3428f0b5e634SDaniel Mack if (!mixer->urb) { 3429f0b5e634SDaniel Mack kfree(transfer_buffer); 3430f0b5e634SDaniel Mack return -ENOMEM; 3431f0b5e634SDaniel Mack } 3432f0b5e634SDaniel Mack usb_fill_int_urb(mixer->urb, mixer->chip->dev, 3433f0b5e634SDaniel Mack usb_rcvintpipe(mixer->chip->dev, epnum), 3434f0b5e634SDaniel Mack transfer_buffer, buffer_length, 3435e213e9cfSDaniel Mack snd_usb_mixer_interrupt, mixer, ep->bInterval); 3436f0b5e634SDaniel Mack usb_submit_urb(mixer->urb, GFP_KERNEL); 3437f0b5e634SDaniel Mack return 0; 3438f0b5e634SDaniel Mack } 3439f0b5e634SDaniel Mack 34404120fbedSTakashi Iwai static int keep_iface_ctl_get(struct snd_kcontrol *kcontrol, 34414120fbedSTakashi Iwai struct snd_ctl_elem_value *ucontrol) 34424120fbedSTakashi Iwai { 34434120fbedSTakashi Iwai struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol); 34444120fbedSTakashi Iwai 34454120fbedSTakashi Iwai ucontrol->value.integer.value[0] = mixer->chip->keep_iface; 34464120fbedSTakashi Iwai return 0; 34474120fbedSTakashi Iwai } 34484120fbedSTakashi Iwai 34494120fbedSTakashi Iwai static int keep_iface_ctl_put(struct snd_kcontrol *kcontrol, 34504120fbedSTakashi Iwai struct snd_ctl_elem_value *ucontrol) 34514120fbedSTakashi Iwai { 34524120fbedSTakashi Iwai struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol); 34534120fbedSTakashi Iwai bool keep_iface = !!ucontrol->value.integer.value[0]; 34544120fbedSTakashi Iwai 34554120fbedSTakashi Iwai if (mixer->chip->keep_iface == keep_iface) 34564120fbedSTakashi Iwai return 0; 34574120fbedSTakashi Iwai mixer->chip->keep_iface = keep_iface; 34584120fbedSTakashi Iwai return 1; 34594120fbedSTakashi Iwai } 34604120fbedSTakashi Iwai 34614120fbedSTakashi Iwai static const struct snd_kcontrol_new keep_iface_ctl = { 34624120fbedSTakashi Iwai .iface = SNDRV_CTL_ELEM_IFACE_CARD, 34634120fbedSTakashi Iwai .name = "Keep Interface", 34644120fbedSTakashi Iwai .info = snd_ctl_boolean_mono_info, 34654120fbedSTakashi Iwai .get = keep_iface_ctl_get, 34664120fbedSTakashi Iwai .put = keep_iface_ctl_put, 34674120fbedSTakashi Iwai }; 34684120fbedSTakashi Iwai 34694120fbedSTakashi Iwai static int create_keep_iface_ctl(struct usb_mixer_interface *mixer) 34704120fbedSTakashi Iwai { 34714120fbedSTakashi Iwai struct snd_kcontrol *kctl = snd_ctl_new1(&keep_iface_ctl, mixer); 34724120fbedSTakashi Iwai 34734120fbedSTakashi Iwai /* need only one control per card */ 34744120fbedSTakashi Iwai if (snd_ctl_find_id(mixer->chip->card, &kctl->id)) { 34754120fbedSTakashi Iwai snd_ctl_free_one(kctl); 34764120fbedSTakashi Iwai return 0; 34774120fbedSTakashi Iwai } 34784120fbedSTakashi Iwai 34794120fbedSTakashi Iwai return snd_ctl_add(mixer->chip->card, kctl); 34804120fbedSTakashi Iwai } 34814120fbedSTakashi Iwai 3482f0b5e634SDaniel Mack int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif, 3483f0b5e634SDaniel Mack int ignore_error) 3484f0b5e634SDaniel Mack { 3485c0a142e2STakashi Iwai static const struct snd_device_ops dev_ops = { 3486f0b5e634SDaniel Mack .dev_free = snd_usb_mixer_dev_free 3487f0b5e634SDaniel Mack }; 3488f0b5e634SDaniel Mack struct usb_mixer_interface *mixer; 348923caaf19SDaniel Mack int err; 3490f0b5e634SDaniel Mack 3491f0b5e634SDaniel Mack strcpy(chip->card->mixername, "USB Mixer"); 3492f0b5e634SDaniel Mack 3493f0b5e634SDaniel Mack mixer = kzalloc(sizeof(*mixer), GFP_KERNEL); 3494f0b5e634SDaniel Mack if (!mixer) 3495f0b5e634SDaniel Mack return -ENOMEM; 3496f0b5e634SDaniel Mack mixer->chip = chip; 3497f0b5e634SDaniel Mack mixer->ignore_ctl_error = ignore_error; 3498f0b5e634SDaniel Mack mixer->id_elems = kcalloc(MAX_ID_ELEMS, sizeof(*mixer->id_elems), 3499f0b5e634SDaniel Mack GFP_KERNEL); 3500f0b5e634SDaniel Mack if (!mixer->id_elems) { 3501f0b5e634SDaniel Mack kfree(mixer); 3502f0b5e634SDaniel Mack return -ENOMEM; 3503f0b5e634SDaniel Mack } 3504f0b5e634SDaniel Mack 35051faa5d07SDaniel Mack mixer->hostif = &usb_ifnum_to_if(chip->dev, ctrlif)->altsetting[0]; 35061faa5d07SDaniel Mack switch (get_iface_desc(mixer->hostif)->bInterfaceProtocol) { 3507a2acad82SClemens Ladisch case UAC_VERSION_1: 3508a2acad82SClemens Ladisch default: 3509a2acad82SClemens Ladisch mixer->protocol = UAC_VERSION_1; 3510a2acad82SClemens Ladisch break; 3511a2acad82SClemens Ladisch case UAC_VERSION_2: 3512a2acad82SClemens Ladisch mixer->protocol = UAC_VERSION_2; 3513a2acad82SClemens Ladisch break; 35149a2fe9b8SRuslan Bilovol case UAC_VERSION_3: 35159a2fe9b8SRuslan Bilovol mixer->protocol = UAC_VERSION_3; 35169a2fe9b8SRuslan Bilovol break; 3517a2acad82SClemens Ladisch } 3518f0b5e634SDaniel Mack 351917156f23SRuslan Bilovol if (mixer->protocol == UAC_VERSION_3 && 352017156f23SRuslan Bilovol chip->badd_profile >= UAC3_FUNCTION_SUBCLASS_GENERIC_IO) { 3521f25ecf8fSTakashi Iwai err = snd_usb_mixer_controls_badd(mixer, ctrlif); 3522f25ecf8fSTakashi Iwai if (err < 0) 3523f0b5e634SDaniel Mack goto _error; 3524f25ecf8fSTakashi Iwai } else { 3525f25ecf8fSTakashi Iwai err = snd_usb_mixer_controls(mixer); 3526f25ecf8fSTakashi Iwai if (err < 0) 3527f25ecf8fSTakashi Iwai goto _error; 3528ad6baae6SJorge Sanjuan } 3529ad6baae6SJorge Sanjuan 3530f25ecf8fSTakashi Iwai err = snd_usb_mixer_status_create(mixer); 3531f25ecf8fSTakashi Iwai if (err < 0) 353217156f23SRuslan Bilovol goto _error; 3533ad6baae6SJorge Sanjuan 35344120fbedSTakashi Iwai err = create_keep_iface_ctl(mixer); 35354120fbedSTakashi Iwai if (err < 0) 35364120fbedSTakashi Iwai goto _error; 3537f0b5e634SDaniel Mack 3538328e9f69STakashi Iwai err = snd_usb_mixer_apply_create_quirk(mixer); 3539328e9f69STakashi Iwai if (err < 0) 3540328e9f69STakashi Iwai goto _error; 3541f0b5e634SDaniel Mack 35429cbb2808STakashi Iwai err = snd_device_new(chip->card, SNDRV_DEV_CODEC, mixer, &dev_ops); 3543f0b5e634SDaniel Mack if (err < 0) 3544f0b5e634SDaniel Mack goto _error; 3545f0b5e634SDaniel Mack 35467449054aSTakashi Iwai if (list_empty(&chip->mixer_list)) 35477449054aSTakashi Iwai snd_card_ro_proc_new(chip->card, "usbmixer", chip, 35487449054aSTakashi Iwai snd_usb_mixer_proc_read); 3549f0b5e634SDaniel Mack 3550f0b5e634SDaniel Mack list_add(&mixer->list, &chip->mixer_list); 3551f0b5e634SDaniel Mack return 0; 3552f0b5e634SDaniel Mack 3553f0b5e634SDaniel Mack _error: 3554f0b5e634SDaniel Mack snd_usb_mixer_free(mixer); 3555f0b5e634SDaniel Mack return err; 3556f0b5e634SDaniel Mack } 3557f0b5e634SDaniel Mack 3558a6cece9dSTakashi Iwai void snd_usb_mixer_disconnect(struct usb_mixer_interface *mixer) 3559f0b5e634SDaniel Mack { 3560124751d5STakashi Iwai if (mixer->disconnected) 3561124751d5STakashi Iwai return; 3562124751d5STakashi Iwai if (mixer->urb) 3563f0b5e634SDaniel Mack usb_kill_urb(mixer->urb); 3564124751d5STakashi Iwai if (mixer->rc_urb) 3565f0b5e634SDaniel Mack usb_kill_urb(mixer->rc_urb); 35669e4d5c1bSGeoffrey D. Bennett if (mixer->private_free) 35679e4d5c1bSGeoffrey D. Bennett mixer->private_free(mixer); 3568124751d5STakashi Iwai mixer->disconnected = true; 3569f0b5e634SDaniel Mack } 3570400362f1STakashi Iwai 3571400362f1STakashi Iwai #ifdef CONFIG_PM 3572400362f1STakashi Iwai /* stop any bus activity of a mixer */ 3573400362f1STakashi Iwai static void snd_usb_mixer_inactivate(struct usb_mixer_interface *mixer) 3574400362f1STakashi Iwai { 3575400362f1STakashi Iwai usb_kill_urb(mixer->urb); 3576400362f1STakashi Iwai usb_kill_urb(mixer->rc_urb); 3577400362f1STakashi Iwai } 3578400362f1STakashi Iwai 3579400362f1STakashi Iwai static int snd_usb_mixer_activate(struct usb_mixer_interface *mixer) 3580400362f1STakashi Iwai { 3581400362f1STakashi Iwai int err; 3582400362f1STakashi Iwai 3583400362f1STakashi Iwai if (mixer->urb) { 3584400362f1STakashi Iwai err = usb_submit_urb(mixer->urb, GFP_NOIO); 3585400362f1STakashi Iwai if (err < 0) 3586400362f1STakashi Iwai return err; 3587400362f1STakashi Iwai } 3588400362f1STakashi Iwai 3589400362f1STakashi Iwai return 0; 3590400362f1STakashi Iwai } 3591400362f1STakashi Iwai 3592400362f1STakashi Iwai int snd_usb_mixer_suspend(struct usb_mixer_interface *mixer) 3593400362f1STakashi Iwai { 3594400362f1STakashi Iwai snd_usb_mixer_inactivate(mixer); 35959e4d5c1bSGeoffrey D. Bennett if (mixer->private_suspend) 35969e4d5c1bSGeoffrey D. Bennett mixer->private_suspend(mixer); 3597400362f1STakashi Iwai return 0; 3598400362f1STakashi Iwai } 3599400362f1STakashi Iwai 36003360b84bSTakashi Iwai static int restore_mixer_value(struct usb_mixer_elem_list *list) 3601400362f1STakashi Iwai { 36028c558076STakashi Iwai struct usb_mixer_elem_info *cval = mixer_elem_list_to_info(list); 3603400362f1STakashi Iwai int c, err, idx; 3604400362f1STakashi Iwai 3605400362f1STakashi Iwai if (cval->cmask) { 3606400362f1STakashi Iwai idx = 0; 3607400362f1STakashi Iwai for (c = 0; c < MAX_CHANNELS; c++) { 3608400362f1STakashi Iwai if (!(cval->cmask & (1 << c))) 3609400362f1STakashi Iwai continue; 36106aa6925cSYao-Wen Mao if (cval->cached & (1 << (c + 1))) { 3611eef90451SChris J Arges err = snd_usb_set_cur_mix_value(cval, c + 1, idx, 3612400362f1STakashi Iwai cval->cache_val[idx]); 3613400362f1STakashi Iwai if (err < 0) 3614400362f1STakashi Iwai return err; 3615400362f1STakashi Iwai } 3616400362f1STakashi Iwai idx++; 3617400362f1STakashi Iwai } 3618400362f1STakashi Iwai } else { 3619400362f1STakashi Iwai /* master */ 3620400362f1STakashi Iwai if (cval->cached) { 3621eef90451SChris J Arges err = snd_usb_set_cur_mix_value(cval, 0, 0, *cval->cache_val); 3622400362f1STakashi Iwai if (err < 0) 3623400362f1STakashi Iwai return err; 3624400362f1STakashi Iwai } 3625400362f1STakashi Iwai } 3626400362f1STakashi Iwai 3627400362f1STakashi Iwai return 0; 3628400362f1STakashi Iwai } 3629400362f1STakashi Iwai 3630400362f1STakashi Iwai int snd_usb_mixer_resume(struct usb_mixer_interface *mixer, bool reset_resume) 3631400362f1STakashi Iwai { 36323360b84bSTakashi Iwai struct usb_mixer_elem_list *list; 3633400362f1STakashi Iwai int id, err; 3634400362f1STakashi Iwai 3635400362f1STakashi Iwai if (reset_resume) { 3636400362f1STakashi Iwai /* restore cached mixer values */ 3637400362f1STakashi Iwai for (id = 0; id < MAX_ID_ELEMS; id++) { 36388c558076STakashi Iwai for_each_mixer_elem(list, mixer, id) { 36393360b84bSTakashi Iwai if (list->resume) { 36403360b84bSTakashi Iwai err = list->resume(list); 3641400362f1STakashi Iwai if (err < 0) 3642400362f1STakashi Iwai return err; 3643400362f1STakashi Iwai } 3644400362f1STakashi Iwai } 3645400362f1STakashi Iwai } 36463360b84bSTakashi Iwai } 3647400362f1STakashi Iwai 3648964af639STakashi Iwai snd_usb_mixer_resume_quirk(mixer); 3649964af639STakashi Iwai 3650400362f1STakashi Iwai return snd_usb_mixer_activate(mixer); 3651400362f1STakashi Iwai } 3652400362f1STakashi Iwai #endif 36533360b84bSTakashi Iwai 36543360b84bSTakashi Iwai void snd_usb_mixer_elem_init_std(struct usb_mixer_elem_list *list, 36553360b84bSTakashi Iwai struct usb_mixer_interface *mixer, 36563360b84bSTakashi Iwai int unitid) 36573360b84bSTakashi Iwai { 36583360b84bSTakashi Iwai list->mixer = mixer; 36593360b84bSTakashi Iwai list->id = unitid; 36603360b84bSTakashi Iwai list->dump = snd_usb_mixer_dump_cval; 36613360b84bSTakashi Iwai #ifdef CONFIG_PM 36623360b84bSTakashi Iwai list->resume = restore_mixer_value; 36633360b84bSTakashi Iwai #endif 36643360b84bSTakashi Iwai } 3665