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 2956bc170e4SDaniel Mack static int get_ctl_value_v1(struct usb_mixer_elem_info *cval, int request, 2966bc170e4SDaniel Mack int validx, int *value_ret) 297f0b5e634SDaniel Mack { 2983360b84bSTakashi Iwai struct snd_usb_audio *chip = cval->head.mixer->chip; 299f0b5e634SDaniel Mack unsigned char buf[2]; 300f0b5e634SDaniel Mack int val_len = cval->val_type >= USB_MIXER_S16 ? 2 : 1; 301f0b5e634SDaniel Mack int timeout = 10; 302978520b7STakashi Iwai int idx = 0, err; 303f0b5e634SDaniel Mack 30447ab1545STakashi Iwai err = snd_usb_lock_shutdown(chip); 30588a8516aSOliver Neukum if (err < 0) 30688a8516aSOliver Neukum return -EIO; 3076bc170e4SDaniel Mack 308f0b5e634SDaniel Mack while (timeout-- > 0) { 3093360b84bSTakashi Iwai idx = snd_usb_ctrl_intf(chip) | (cval->head.id << 8); 3105a9a8ecaSStephen Barber err = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), request, 311f0b5e634SDaniel Mack USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, 3125a9a8ecaSStephen Barber validx, idx, buf, val_len); 3135a9a8ecaSStephen Barber if (err >= val_len) { 314f0b5e634SDaniel Mack *value_ret = convert_signed_value(cval, snd_usb_combine_bytes(buf, val_len)); 315978520b7STakashi Iwai err = 0; 316978520b7STakashi Iwai goto out; 3175a9a8ecaSStephen Barber } else if (err == -ETIMEDOUT) { 3185a9a8ecaSStephen Barber goto out; 319f0b5e634SDaniel Mack } 320f0b5e634SDaniel Mack } 3210ba41d91STakashi Iwai usb_audio_dbg(chip, 3220ba41d91STakashi Iwai "cannot get ctl value: req = %#x, wValue = %#x, wIndex = %#x, type = %d\n", 323978520b7STakashi Iwai request, validx, idx, cval->val_type); 324978520b7STakashi Iwai err = -EINVAL; 325978520b7STakashi Iwai 326978520b7STakashi Iwai out: 32747ab1545STakashi Iwai snd_usb_unlock_shutdown(chip); 328978520b7STakashi Iwai return err; 329f0b5e634SDaniel Mack } 330f0b5e634SDaniel Mack 3316bc170e4SDaniel Mack static int get_ctl_value_v2(struct usb_mixer_elem_info *cval, int request, 3326bc170e4SDaniel Mack int validx, int *value_ret) 33323caaf19SDaniel Mack { 3343360b84bSTakashi Iwai struct snd_usb_audio *chip = cval->head.mixer->chip; 335447cae58SKirill Marinushkin /* enough space for one range */ 336447cae58SKirill Marinushkin unsigned char buf[sizeof(__u16) + 3 * sizeof(__u32)]; 33723caaf19SDaniel Mack unsigned char *val; 338447cae58SKirill Marinushkin int idx = 0, ret, val_size, size; 33923caaf19SDaniel Mack __u8 bRequest; 34023caaf19SDaniel Mack 341447cae58SKirill Marinushkin val_size = uac2_ctl_value_size(cval->val_type); 342447cae58SKirill Marinushkin 343e8bdb6bbSDaniel Mack if (request == UAC_GET_CUR) { 344e8bdb6bbSDaniel Mack bRequest = UAC2_CS_CUR; 345447cae58SKirill Marinushkin size = val_size; 346e8bdb6bbSDaniel Mack } else { 347e8bdb6bbSDaniel Mack bRequest = UAC2_CS_RANGE; 348447cae58SKirill Marinushkin size = sizeof(__u16) + 3 * val_size; 349e8bdb6bbSDaniel Mack } 350e8bdb6bbSDaniel Mack 351e8bdb6bbSDaniel Mack memset(buf, 0, sizeof(buf)); 35223caaf19SDaniel Mack 35347ab1545STakashi Iwai ret = snd_usb_lock_shutdown(chip) ? -EIO : 0; 35488a8516aSOliver Neukum if (ret) 35588a8516aSOliver Neukum goto error; 35688a8516aSOliver Neukum 3573360b84bSTakashi Iwai idx = snd_usb_ctrl_intf(chip) | (cval->head.id << 8); 3583d8d4dcfSDaniel Mack ret = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), bRequest, 35923caaf19SDaniel Mack USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, 360978520b7STakashi Iwai validx, idx, buf, size); 36147ab1545STakashi Iwai snd_usb_unlock_shutdown(chip); 36223caaf19SDaniel Mack 36323caaf19SDaniel Mack if (ret < 0) { 36488a8516aSOliver Neukum error: 3650ba41d91STakashi Iwai usb_audio_err(chip, 3660ba41d91STakashi Iwai "cannot get ctl value: req = %#x, wValue = %#x, wIndex = %#x, type = %d\n", 367978520b7STakashi Iwai request, validx, idx, cval->val_type); 36823caaf19SDaniel Mack return ret; 36923caaf19SDaniel Mack } 37023caaf19SDaniel Mack 371e8bdb6bbSDaniel Mack /* FIXME: how should we handle multiple triplets here? */ 372e8bdb6bbSDaniel Mack 37323caaf19SDaniel Mack switch (request) { 37423caaf19SDaniel Mack case UAC_GET_CUR: 37523caaf19SDaniel Mack val = buf; 37623caaf19SDaniel Mack break; 37723caaf19SDaniel Mack case UAC_GET_MIN: 37823caaf19SDaniel Mack val = buf + sizeof(__u16); 37923caaf19SDaniel Mack break; 38023caaf19SDaniel Mack case UAC_GET_MAX: 381447cae58SKirill Marinushkin val = buf + sizeof(__u16) + val_size; 38223caaf19SDaniel Mack break; 38323caaf19SDaniel Mack case UAC_GET_RES: 384447cae58SKirill Marinushkin val = buf + sizeof(__u16) + val_size * 2; 38523caaf19SDaniel Mack break; 38623caaf19SDaniel Mack default: 38723caaf19SDaniel Mack return -EINVAL; 38823caaf19SDaniel Mack } 38923caaf19SDaniel Mack 390447cae58SKirill Marinushkin *value_ret = convert_signed_value(cval, 391447cae58SKirill Marinushkin snd_usb_combine_bytes(val, val_size)); 39223caaf19SDaniel Mack 39323caaf19SDaniel Mack return 0; 39423caaf19SDaniel Mack } 39523caaf19SDaniel Mack 3966bc170e4SDaniel Mack static int get_ctl_value(struct usb_mixer_elem_info *cval, int request, 3976bc170e4SDaniel Mack int validx, int *value_ret) 39823caaf19SDaniel Mack { 3999f814105SEldad Zack validx += cval->idx_off; 4009f814105SEldad Zack 4013360b84bSTakashi Iwai return (cval->head.mixer->protocol == UAC_VERSION_1) ? 40223caaf19SDaniel Mack get_ctl_value_v1(cval, request, validx, value_ret) : 40323caaf19SDaniel Mack get_ctl_value_v2(cval, request, validx, value_ret); 40423caaf19SDaniel Mack } 40523caaf19SDaniel Mack 4066bc170e4SDaniel Mack static int get_cur_ctl_value(struct usb_mixer_elem_info *cval, 4076bc170e4SDaniel Mack int validx, int *value) 408f0b5e634SDaniel Mack { 409f0b5e634SDaniel Mack return get_ctl_value(cval, UAC_GET_CUR, validx, value); 410f0b5e634SDaniel Mack } 411f0b5e634SDaniel Mack 412f0b5e634SDaniel Mack /* channel = 0: master, 1 = first channel */ 413f0b5e634SDaniel Mack static inline int get_cur_mix_raw(struct usb_mixer_elem_info *cval, 414f0b5e634SDaniel Mack int channel, int *value) 415f0b5e634SDaniel Mack { 4166bc170e4SDaniel Mack return get_ctl_value(cval, UAC_GET_CUR, 4176bc170e4SDaniel Mack (cval->control << 8) | channel, 4186bc170e4SDaniel Mack value); 419f0b5e634SDaniel Mack } 420f0b5e634SDaniel Mack 421eef90451SChris J Arges int snd_usb_get_cur_mix_value(struct usb_mixer_elem_info *cval, 422f0b5e634SDaniel Mack int channel, int index, int *value) 423f0b5e634SDaniel Mack { 424f0b5e634SDaniel Mack int err; 425f0b5e634SDaniel Mack 426f0b5e634SDaniel Mack if (cval->cached & (1 << channel)) { 427f0b5e634SDaniel Mack *value = cval->cache_val[index]; 428f0b5e634SDaniel Mack return 0; 429f0b5e634SDaniel Mack } 430f0b5e634SDaniel Mack err = get_cur_mix_raw(cval, channel, value); 431f0b5e634SDaniel Mack if (err < 0) { 4323360b84bSTakashi Iwai if (!cval->head.mixer->ignore_ctl_error) 4333360b84bSTakashi Iwai usb_audio_dbg(cval->head.mixer->chip, 4340ba41d91STakashi Iwai "cannot get current value for control %d ch %d: err = %d\n", 435f0b5e634SDaniel Mack cval->control, channel, err); 436f0b5e634SDaniel Mack return err; 437f0b5e634SDaniel Mack } 438f0b5e634SDaniel Mack cval->cached |= 1 << channel; 439f0b5e634SDaniel Mack cval->cache_val[index] = *value; 440f0b5e634SDaniel Mack return 0; 441f0b5e634SDaniel Mack } 442f0b5e634SDaniel Mack 443f0b5e634SDaniel Mack /* 444f0b5e634SDaniel Mack * set a mixer value 445f0b5e634SDaniel Mack */ 446f0b5e634SDaniel Mack 447f0b5e634SDaniel Mack int snd_usb_mixer_set_ctl_value(struct usb_mixer_elem_info *cval, 448f0b5e634SDaniel Mack int request, int validx, int value_set) 449f0b5e634SDaniel Mack { 4503360b84bSTakashi Iwai struct snd_usb_audio *chip = cval->head.mixer->chip; 451bc18e31cSJulian Scheel unsigned char buf[4]; 452978520b7STakashi Iwai int idx = 0, val_len, err, timeout = 10; 45323caaf19SDaniel Mack 4549f814105SEldad Zack validx += cval->idx_off; 4559f814105SEldad Zack 4569a2fe9b8SRuslan Bilovol 4573360b84bSTakashi Iwai if (cval->head.mixer->protocol == UAC_VERSION_1) { 45823caaf19SDaniel Mack val_len = cval->val_type >= USB_MIXER_S16 ? 2 : 1; 4599a2fe9b8SRuslan Bilovol } else { /* UAC_VERSION_2/3 */ 460bc18e31cSJulian Scheel val_len = uac2_ctl_value_size(cval->val_type); 46123caaf19SDaniel Mack 46223caaf19SDaniel Mack /* FIXME */ 46323caaf19SDaniel Mack if (request != UAC_SET_CUR) { 4640ba41d91STakashi Iwai usb_audio_dbg(chip, "RANGE setting not yet supported\n"); 46523caaf19SDaniel Mack return -EINVAL; 46623caaf19SDaniel Mack } 46723caaf19SDaniel Mack 46823caaf19SDaniel Mack request = UAC2_CS_CUR; 46923caaf19SDaniel Mack } 470f0b5e634SDaniel Mack 471f0b5e634SDaniel Mack value_set = convert_bytes_value(cval, value_set); 472f0b5e634SDaniel Mack buf[0] = value_set & 0xff; 473f0b5e634SDaniel Mack buf[1] = (value_set >> 8) & 0xff; 474bc18e31cSJulian Scheel buf[2] = (value_set >> 16) & 0xff; 475bc18e31cSJulian Scheel buf[3] = (value_set >> 24) & 0xff; 47647ab1545STakashi Iwai 47747ab1545STakashi Iwai err = snd_usb_lock_shutdown(chip); 47888a8516aSOliver Neukum if (err < 0) 47988a8516aSOliver Neukum return -EIO; 48047ab1545STakashi Iwai 481978520b7STakashi Iwai while (timeout-- > 0) { 4823360b84bSTakashi Iwai idx = snd_usb_ctrl_intf(chip) | (cval->head.id << 8); 4835a9a8ecaSStephen Barber err = snd_usb_ctl_msg(chip->dev, 4843d8d4dcfSDaniel Mack usb_sndctrlpipe(chip->dev, 0), request, 485f0b5e634SDaniel Mack USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT, 4865a9a8ecaSStephen Barber validx, idx, buf, val_len); 4875a9a8ecaSStephen Barber if (err >= 0) { 488978520b7STakashi Iwai err = 0; 489978520b7STakashi Iwai goto out; 4905a9a8ecaSStephen Barber } else if (err == -ETIMEDOUT) { 4915a9a8ecaSStephen Barber goto out; 49288a8516aSOliver Neukum } 493978520b7STakashi Iwai } 4940ba41d91STakashi Iwai usb_audio_dbg(chip, "cannot set ctl value: req = %#x, wValue = %#x, wIndex = %#x, type = %d, data = %#x/%#x\n", 495978520b7STakashi Iwai request, validx, idx, cval->val_type, buf[0], buf[1]); 496978520b7STakashi Iwai err = -EINVAL; 497978520b7STakashi Iwai 498978520b7STakashi Iwai out: 49947ab1545STakashi Iwai snd_usb_unlock_shutdown(chip); 500978520b7STakashi Iwai return err; 501f0b5e634SDaniel Mack } 502f0b5e634SDaniel Mack 5036bc170e4SDaniel Mack static int set_cur_ctl_value(struct usb_mixer_elem_info *cval, 5046bc170e4SDaniel Mack int validx, int value) 505f0b5e634SDaniel Mack { 506f0b5e634SDaniel Mack return snd_usb_mixer_set_ctl_value(cval, UAC_SET_CUR, validx, value); 507f0b5e634SDaniel Mack } 508f0b5e634SDaniel Mack 509eef90451SChris J Arges int snd_usb_set_cur_mix_value(struct usb_mixer_elem_info *cval, int channel, 510f0b5e634SDaniel Mack int index, int value) 511f0b5e634SDaniel Mack { 512f0b5e634SDaniel Mack int err; 513a6a33259SDaniel Mack unsigned int read_only = (channel == 0) ? 514a6a33259SDaniel Mack cval->master_readonly : 515a6a33259SDaniel Mack cval->ch_readonly & (1 << (channel - 1)); 516a6a33259SDaniel Mack 517a6a33259SDaniel Mack if (read_only) { 5183360b84bSTakashi Iwai usb_audio_dbg(cval->head.mixer->chip, 5190ba41d91STakashi Iwai "%s(): channel %d of control %d is read_only\n", 520a6a33259SDaniel Mack __func__, channel, cval->control); 521a6a33259SDaniel Mack return 0; 522a6a33259SDaniel Mack } 523a6a33259SDaniel Mack 5246bc170e4SDaniel Mack err = snd_usb_mixer_set_ctl_value(cval, 5256bc170e4SDaniel Mack UAC_SET_CUR, (cval->control << 8) | channel, 526f0b5e634SDaniel Mack value); 527f0b5e634SDaniel Mack if (err < 0) 528f0b5e634SDaniel Mack return err; 529f0b5e634SDaniel Mack cval->cached |= 1 << channel; 530f0b5e634SDaniel Mack cval->cache_val[index] = value; 531f0b5e634SDaniel Mack return 0; 532f0b5e634SDaniel Mack } 533f0b5e634SDaniel Mack 534f0b5e634SDaniel Mack /* 535f0b5e634SDaniel Mack * TLV callback for mixer volume controls 536f0b5e634SDaniel Mack */ 537285de9c0SFelix Homann int snd_usb_mixer_vol_tlv(struct snd_kcontrol *kcontrol, int op_flag, 538f0b5e634SDaniel Mack unsigned int size, unsigned int __user *_tlv) 539f0b5e634SDaniel Mack { 540f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval = kcontrol->private_data; 541f0b5e634SDaniel Mack DECLARE_TLV_DB_MINMAX(scale, 0, 0); 542f0b5e634SDaniel Mack 543f0b5e634SDaniel Mack if (size < sizeof(scale)) 544f0b5e634SDaniel Mack return -ENOMEM; 5450f174b35STakashi Iwai if (cval->min_mute) 5460f174b35STakashi Iwai scale[0] = SNDRV_CTL_TLVT_DB_MINMAX_MUTE; 547f0b5e634SDaniel Mack scale[2] = cval->dBmin; 548f0b5e634SDaniel Mack scale[3] = cval->dBmax; 549f0b5e634SDaniel Mack if (copy_to_user(_tlv, scale, sizeof(scale))) 550f0b5e634SDaniel Mack return -EFAULT; 551f0b5e634SDaniel Mack return 0; 552f0b5e634SDaniel Mack } 553f0b5e634SDaniel Mack 554f0b5e634SDaniel Mack /* 555f0b5e634SDaniel Mack * parser routines begin here... 556f0b5e634SDaniel Mack */ 557f0b5e634SDaniel Mack 558f0b5e634SDaniel Mack static int parse_audio_unit(struct mixer_build *state, int unitid); 559f0b5e634SDaniel Mack 560f0b5e634SDaniel Mack 561f0b5e634SDaniel Mack /* 562f0b5e634SDaniel Mack * check if the input/output channel routing is enabled on the given bitmap. 563f0b5e634SDaniel Mack * used for mixer unit parser 564f0b5e634SDaniel Mack */ 5656bc170e4SDaniel Mack static int check_matrix_bitmap(unsigned char *bmap, 5666bc170e4SDaniel Mack int ich, int och, int num_outs) 567f0b5e634SDaniel Mack { 568f0b5e634SDaniel Mack int idx = ich * num_outs + och; 569f0b5e634SDaniel Mack return bmap[idx >> 3] & (0x80 >> (idx & 7)); 570f0b5e634SDaniel Mack } 571f0b5e634SDaniel Mack 572f0b5e634SDaniel Mack /* 573f0b5e634SDaniel Mack * add an alsa control element 574f0b5e634SDaniel Mack * search and increment the index until an empty slot is found. 575f0b5e634SDaniel Mack * 576f0b5e634SDaniel Mack * if failed, give up and free the control instance. 577f0b5e634SDaniel Mack */ 578f0b5e634SDaniel Mack 5793360b84bSTakashi Iwai int snd_usb_mixer_add_control(struct usb_mixer_elem_list *list, 580ef9d5970SDaniel Mack struct snd_kcontrol *kctl) 581f0b5e634SDaniel Mack { 5823360b84bSTakashi Iwai struct usb_mixer_interface *mixer = list->mixer; 583f0b5e634SDaniel Mack int err; 584f0b5e634SDaniel Mack 585ef9d5970SDaniel Mack while (snd_ctl_find_id(mixer->chip->card, &kctl->id)) 586f0b5e634SDaniel Mack kctl->id.index++; 587f25ecf8fSTakashi Iwai err = snd_ctl_add(mixer->chip->card, kctl); 588f25ecf8fSTakashi Iwai if (err < 0) { 5896bc170e4SDaniel Mack usb_audio_dbg(mixer->chip, "cannot add control (err = %d)\n", 5906bc170e4SDaniel Mack err); 591f0b5e634SDaniel Mack return err; 592f0b5e634SDaniel Mack } 5933360b84bSTakashi Iwai list->kctl = kctl; 5943360b84bSTakashi Iwai list->next_id_elem = mixer->id_elems[list->id]; 5953360b84bSTakashi Iwai mixer->id_elems[list->id] = list; 596f0b5e634SDaniel Mack return 0; 597f0b5e634SDaniel Mack } 598f0b5e634SDaniel Mack 599f0b5e634SDaniel Mack /* 600f0b5e634SDaniel Mack * get a terminal name string 601f0b5e634SDaniel Mack */ 602f0b5e634SDaniel Mack 603f0b5e634SDaniel Mack static struct iterm_name_combo { 604f0b5e634SDaniel Mack int type; 605f0b5e634SDaniel Mack char *name; 606f0b5e634SDaniel Mack } iterm_names[] = { 607f0b5e634SDaniel Mack { 0x0300, "Output" }, 608f0b5e634SDaniel Mack { 0x0301, "Speaker" }, 609f0b5e634SDaniel Mack { 0x0302, "Headphone" }, 610f0b5e634SDaniel Mack { 0x0303, "HMD Audio" }, 611f0b5e634SDaniel Mack { 0x0304, "Desktop Speaker" }, 612f0b5e634SDaniel Mack { 0x0305, "Room Speaker" }, 613f0b5e634SDaniel Mack { 0x0306, "Com Speaker" }, 614f0b5e634SDaniel Mack { 0x0307, "LFE" }, 615f0b5e634SDaniel Mack { 0x0600, "External In" }, 616f0b5e634SDaniel Mack { 0x0601, "Analog In" }, 617f0b5e634SDaniel Mack { 0x0602, "Digital In" }, 618f0b5e634SDaniel Mack { 0x0603, "Line" }, 619f0b5e634SDaniel Mack { 0x0604, "Legacy In" }, 620f0b5e634SDaniel Mack { 0x0605, "IEC958 In" }, 621f0b5e634SDaniel Mack { 0x0606, "1394 DA Stream" }, 622f0b5e634SDaniel Mack { 0x0607, "1394 DV Stream" }, 623f0b5e634SDaniel Mack { 0x0700, "Embedded" }, 624f0b5e634SDaniel Mack { 0x0701, "Noise Source" }, 625f0b5e634SDaniel Mack { 0x0702, "Equalization Noise" }, 626f0b5e634SDaniel Mack { 0x0703, "CD" }, 627f0b5e634SDaniel Mack { 0x0704, "DAT" }, 628f0b5e634SDaniel Mack { 0x0705, "DCC" }, 629f0b5e634SDaniel Mack { 0x0706, "MiniDisk" }, 630f0b5e634SDaniel Mack { 0x0707, "Analog Tape" }, 631f0b5e634SDaniel Mack { 0x0708, "Phonograph" }, 632f0b5e634SDaniel Mack { 0x0709, "VCR Audio" }, 633f0b5e634SDaniel Mack { 0x070a, "Video Disk Audio" }, 634f0b5e634SDaniel Mack { 0x070b, "DVD Audio" }, 635f0b5e634SDaniel Mack { 0x070c, "TV Tuner Audio" }, 636f0b5e634SDaniel Mack { 0x070d, "Satellite Rec Audio" }, 637f0b5e634SDaniel Mack { 0x070e, "Cable Tuner Audio" }, 638f0b5e634SDaniel Mack { 0x070f, "DSS Audio" }, 639f0b5e634SDaniel Mack { 0x0710, "Radio Receiver" }, 640f0b5e634SDaniel Mack { 0x0711, "Radio Transmitter" }, 641f0b5e634SDaniel Mack { 0x0712, "Multi-Track Recorder" }, 642f0b5e634SDaniel Mack { 0x0713, "Synthesizer" }, 643f0b5e634SDaniel Mack { 0 }, 644f0b5e634SDaniel Mack }; 645f0b5e634SDaniel Mack 646eccfc1b8SRuslan Bilovol static int get_term_name(struct snd_usb_audio *chip, struct usb_audio_term *iterm, 647f0b5e634SDaniel Mack unsigned char *name, int maxlen, int term_only) 648f0b5e634SDaniel Mack { 649f0b5e634SDaniel Mack struct iterm_name_combo *names; 65056a23ee5STakashi Iwai int len; 651f0b5e634SDaniel Mack 65256a23ee5STakashi Iwai if (iterm->name) { 653eccfc1b8SRuslan Bilovol len = snd_usb_copy_string_desc(chip, iterm->name, 6546bc170e4SDaniel Mack name, maxlen); 65556a23ee5STakashi Iwai if (len) 65656a23ee5STakashi Iwai return len; 65756a23ee5STakashi Iwai } 658f0b5e634SDaniel Mack 659f0b5e634SDaniel Mack /* virtual type - not a real terminal */ 660f0b5e634SDaniel Mack if (iterm->type >> 16) { 661f0b5e634SDaniel Mack if (term_only) 662f0b5e634SDaniel Mack return 0; 663f0b5e634SDaniel Mack switch (iterm->type >> 16) { 6648b3a087fSJorge Sanjuan case UAC3_SELECTOR_UNIT: 6656bc170e4SDaniel Mack strcpy(name, "Selector"); 6666bc170e4SDaniel Mack return 8; 6678b3a087fSJorge Sanjuan case UAC3_PROCESSING_UNIT: 6686bc170e4SDaniel Mack strcpy(name, "Process Unit"); 6696bc170e4SDaniel Mack return 12; 6708b3a087fSJorge Sanjuan case UAC3_EXTENSION_UNIT: 6716bc170e4SDaniel Mack strcpy(name, "Ext Unit"); 6726bc170e4SDaniel Mack return 8; 6738b3a087fSJorge Sanjuan case UAC3_MIXER_UNIT: 6746bc170e4SDaniel Mack strcpy(name, "Mixer"); 6756bc170e4SDaniel Mack return 5; 676f0b5e634SDaniel Mack default: 677f0b5e634SDaniel Mack return sprintf(name, "Unit %d", iterm->id); 678f0b5e634SDaniel Mack } 679f0b5e634SDaniel Mack } 680f0b5e634SDaniel Mack 681f0b5e634SDaniel Mack switch (iterm->type & 0xff00) { 682f0b5e634SDaniel Mack case 0x0100: 6836bc170e4SDaniel Mack strcpy(name, "PCM"); 6846bc170e4SDaniel Mack return 3; 685f0b5e634SDaniel Mack case 0x0200: 6866bc170e4SDaniel Mack strcpy(name, "Mic"); 6876bc170e4SDaniel Mack return 3; 688f0b5e634SDaniel Mack case 0x0400: 6896bc170e4SDaniel Mack strcpy(name, "Headset"); 6906bc170e4SDaniel Mack return 7; 691f0b5e634SDaniel Mack case 0x0500: 6926bc170e4SDaniel Mack strcpy(name, "Phone"); 6936bc170e4SDaniel Mack return 5; 694f0b5e634SDaniel Mack } 695f0b5e634SDaniel Mack 6966bc170e4SDaniel Mack for (names = iterm_names; names->type; names++) { 697f0b5e634SDaniel Mack if (names->type == iterm->type) { 698f0b5e634SDaniel Mack strcpy(name, names->name); 699f0b5e634SDaniel Mack return strlen(names->name); 700f0b5e634SDaniel Mack } 701f0b5e634SDaniel Mack } 702f0b5e634SDaniel Mack 7036bc170e4SDaniel Mack return 0; 7046bc170e4SDaniel Mack } 705f0b5e634SDaniel Mack 706f0b5e634SDaniel Mack /* 7076cfd839aSJorge Sanjuan * Get logical cluster information for UAC3 devices. 7086cfd839aSJorge Sanjuan */ 7096cfd839aSJorge Sanjuan static int get_cluster_channels_v3(struct mixer_build *state, unsigned int cluster_id) 7106cfd839aSJorge Sanjuan { 7116cfd839aSJorge Sanjuan struct uac3_cluster_header_descriptor c_header; 7126cfd839aSJorge Sanjuan int err; 7136cfd839aSJorge Sanjuan 7146cfd839aSJorge Sanjuan err = snd_usb_ctl_msg(state->chip->dev, 7156cfd839aSJorge Sanjuan usb_rcvctrlpipe(state->chip->dev, 0), 7166cfd839aSJorge Sanjuan UAC3_CS_REQ_HIGH_CAPABILITY_DESCRIPTOR, 7176cfd839aSJorge Sanjuan USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, 7186cfd839aSJorge Sanjuan cluster_id, 7196cfd839aSJorge Sanjuan snd_usb_ctrl_intf(state->chip), 7206cfd839aSJorge Sanjuan &c_header, sizeof(c_header)); 7216cfd839aSJorge Sanjuan if (err < 0) 7226cfd839aSJorge Sanjuan goto error; 7236cfd839aSJorge Sanjuan if (err != sizeof(c_header)) { 7246cfd839aSJorge Sanjuan err = -EIO; 7256cfd839aSJorge Sanjuan goto error; 7266cfd839aSJorge Sanjuan } 7276cfd839aSJorge Sanjuan 7286cfd839aSJorge Sanjuan return c_header.bNrChannels; 7296cfd839aSJorge Sanjuan 7306cfd839aSJorge Sanjuan error: 7316cfd839aSJorge Sanjuan usb_audio_err(state->chip, "cannot request logical cluster ID: %d (err: %d)\n", cluster_id, err); 7326cfd839aSJorge Sanjuan return err; 7336cfd839aSJorge Sanjuan } 7346cfd839aSJorge Sanjuan 7356cfd839aSJorge Sanjuan /* 7366cfd839aSJorge Sanjuan * Get number of channels for a Mixer Unit. 7376cfd839aSJorge Sanjuan */ 7386cfd839aSJorge Sanjuan static int uac_mixer_unit_get_channels(struct mixer_build *state, 7396cfd839aSJorge Sanjuan struct uac_mixer_unit_descriptor *desc) 7406cfd839aSJorge Sanjuan { 7416cfd839aSJorge Sanjuan int mu_channels; 7426cfd839aSJorge Sanjuan 7436cfd839aSJorge Sanjuan switch (state->mixer->protocol) { 7446cfd839aSJorge Sanjuan case UAC_VERSION_1: 7456cfd839aSJorge Sanjuan case UAC_VERSION_2: 7466cfd839aSJorge Sanjuan default: 7470bfe5e43STakashi Iwai if (desc->bLength < sizeof(*desc) + desc->bNrInPins + 1) 7480bfe5e43STakashi Iwai return 0; /* no bmControls -> skip */ 7496cfd839aSJorge Sanjuan mu_channels = uac_mixer_unit_bNrChannels(desc); 7506cfd839aSJorge Sanjuan break; 7516cfd839aSJorge Sanjuan case UAC_VERSION_3: 7526cfd839aSJorge Sanjuan mu_channels = get_cluster_channels_v3(state, 7536cfd839aSJorge Sanjuan uac3_mixer_unit_wClusterDescrID(desc)); 7546cfd839aSJorge Sanjuan break; 7556cfd839aSJorge Sanjuan } 7566cfd839aSJorge Sanjuan 7576cfd839aSJorge Sanjuan return mu_channels; 7586cfd839aSJorge Sanjuan } 7596cfd839aSJorge Sanjuan 7606cfd839aSJorge Sanjuan /* 761e0ccdef9STakashi Iwai * Parse Input Terminal Unit 762f0b5e634SDaniel Mack */ 76319bce474SHui Peng static int __check_input_term(struct mixer_build *state, int id, 764e0ccdef9STakashi Iwai struct usb_audio_term *term); 765e0ccdef9STakashi Iwai 766e0ccdef9STakashi Iwai static int parse_term_uac1_iterm_unit(struct mixer_build *state, 767e0ccdef9STakashi Iwai struct usb_audio_term *term, 768e0ccdef9STakashi Iwai void *p1, int id) 769f0b5e634SDaniel Mack { 77023caaf19SDaniel Mack struct uac_input_terminal_descriptor *d = p1; 7719a2fe9b8SRuslan Bilovol 77223caaf19SDaniel Mack term->type = le16_to_cpu(d->wTerminalType); 77323caaf19SDaniel Mack term->channels = d->bNrChannels; 77423caaf19SDaniel Mack term->chconfig = le16_to_cpu(d->wChannelConfig); 77523caaf19SDaniel Mack term->name = d->iTerminal; 776e0ccdef9STakashi Iwai return 0; 777e0ccdef9STakashi Iwai } 7789430e547SJulian Scheel 779e0ccdef9STakashi Iwai static int parse_term_uac2_iterm_unit(struct mixer_build *state, 780e0ccdef9STakashi Iwai struct usb_audio_term *term, 781e0ccdef9STakashi Iwai void *p1, int id) 782e0ccdef9STakashi Iwai { 783e0ccdef9STakashi Iwai struct uac2_input_terminal_descriptor *d = p1; 784e0ccdef9STakashi Iwai int err; 785e0ccdef9STakashi Iwai 786e0ccdef9STakashi Iwai /* call recursively to verify the referenced clock entity */ 78719bce474SHui Peng err = __check_input_term(state, d->bCSourceID, term); 7889430e547SJulian Scheel if (err < 0) 7899430e547SJulian Scheel return err; 7909430e547SJulian Scheel 7919430e547SJulian Scheel /* save input term properties after recursion, 792e0ccdef9STakashi Iwai * to ensure they are not overriden by the recursion calls 793e0ccdef9STakashi Iwai */ 7949430e547SJulian Scheel term->id = id; 79523caaf19SDaniel Mack term->type = le16_to_cpu(d->wTerminalType); 79623caaf19SDaniel Mack term->channels = d->bNrChannels; 79723caaf19SDaniel Mack term->chconfig = le32_to_cpu(d->bmChannelConfig); 79823caaf19SDaniel Mack term->name = d->iTerminal; 7995dae5fd2SEldad Zack return 0; 8005dae5fd2SEldad Zack } 8015dae5fd2SEldad Zack 802e0ccdef9STakashi Iwai static int parse_term_uac3_iterm_unit(struct mixer_build *state, 803e0ccdef9STakashi Iwai struct usb_audio_term *term, 804e0ccdef9STakashi Iwai void *p1, int id) 805e0ccdef9STakashi Iwai { 8069a2fe9b8SRuslan Bilovol struct uac3_input_terminal_descriptor *d = p1; 807e0ccdef9STakashi Iwai int err; 8089a2fe9b8SRuslan Bilovol 809e0ccdef9STakashi Iwai /* call recursively to verify the referenced clock entity */ 81019bce474SHui Peng err = __check_input_term(state, d->bCSourceID, term); 8119a2fe9b8SRuslan Bilovol if (err < 0) 8129a2fe9b8SRuslan Bilovol return err; 8139a2fe9b8SRuslan Bilovol 8149a2fe9b8SRuslan Bilovol /* save input term properties after recursion, 815e0ccdef9STakashi Iwai * to ensure they are not overriden by the recursion calls 816e0ccdef9STakashi Iwai */ 8179a2fe9b8SRuslan Bilovol term->id = id; 8189a2fe9b8SRuslan Bilovol term->type = le16_to_cpu(d->wTerminalType); 8199a2fe9b8SRuslan Bilovol 82071066945SJorge Sanjuan err = get_cluster_channels_v3(state, le16_to_cpu(d->wClusterDescrID)); 82171066945SJorge Sanjuan if (err < 0) 82271066945SJorge Sanjuan return err; 82371066945SJorge Sanjuan term->channels = err; 82471066945SJorge Sanjuan 82571066945SJorge Sanjuan /* REVISIT: UAC3 IT doesn't have channels cfg */ 8269a2fe9b8SRuslan Bilovol term->chconfig = 0; 8279a2fe9b8SRuslan Bilovol 8289a2fe9b8SRuslan Bilovol term->name = le16_to_cpu(d->wTerminalDescrStr); 8299a2fe9b8SRuslan Bilovol return 0; 8309a2fe9b8SRuslan Bilovol } 8319a2fe9b8SRuslan Bilovol 832e0ccdef9STakashi Iwai static int parse_term_mixer_unit(struct mixer_build *state, 833e0ccdef9STakashi Iwai struct usb_audio_term *term, 834e0ccdef9STakashi Iwai void *p1, int id) 835e0ccdef9STakashi Iwai { 836e0ccdef9STakashi Iwai struct uac_mixer_unit_descriptor *d = p1; 837e0ccdef9STakashi Iwai int protocol = state->mixer->protocol; 838e0ccdef9STakashi Iwai int err; 839e0ccdef9STakashi Iwai 840e0ccdef9STakashi Iwai err = uac_mixer_unit_get_channels(state, d); 841e0ccdef9STakashi Iwai if (err <= 0) 842e0ccdef9STakashi Iwai return err; 843e0ccdef9STakashi Iwai 844e0ccdef9STakashi Iwai term->type = UAC3_MIXER_UNIT << 16; /* virtual type */ 845e0ccdef9STakashi Iwai term->channels = err; 846e0ccdef9STakashi Iwai if (protocol != UAC_VERSION_3) { 847e0ccdef9STakashi Iwai term->chconfig = uac_mixer_unit_wChannelConfig(d, protocol); 848e0ccdef9STakashi Iwai term->name = uac_mixer_unit_iMixer(d); 8499a2fe9b8SRuslan Bilovol } 850e0ccdef9STakashi Iwai return 0; 851e0ccdef9STakashi Iwai } 852e0ccdef9STakashi Iwai 853e0ccdef9STakashi Iwai static int parse_term_selector_unit(struct mixer_build *state, 854e0ccdef9STakashi Iwai struct usb_audio_term *term, 855e0ccdef9STakashi Iwai void *p1, int id) 856e0ccdef9STakashi Iwai { 857e0ccdef9STakashi Iwai struct uac_selector_unit_descriptor *d = p1; 858e0ccdef9STakashi Iwai int err; 859e0ccdef9STakashi Iwai 860e0ccdef9STakashi Iwai /* call recursively to retrieve the channel info */ 861e0ccdef9STakashi Iwai err = __check_input_term(state, d->baSourceID[0], term); 862e0ccdef9STakashi Iwai if (err < 0) 863e0ccdef9STakashi Iwai return err; 864e0ccdef9STakashi Iwai term->type = UAC3_SELECTOR_UNIT << 16; /* virtual type */ 865e0ccdef9STakashi Iwai term->id = id; 866e0ccdef9STakashi Iwai if (state->mixer->protocol != UAC_VERSION_3) 867e0ccdef9STakashi Iwai term->name = uac_selector_unit_iSelector(d); 868e0ccdef9STakashi Iwai return 0; 869e0ccdef9STakashi Iwai } 870e0ccdef9STakashi Iwai 871e0ccdef9STakashi Iwai static int parse_term_proc_unit(struct mixer_build *state, 872e0ccdef9STakashi Iwai struct usb_audio_term *term, 873e0ccdef9STakashi Iwai void *p1, int id, int vtype) 874e0ccdef9STakashi Iwai { 875e0ccdef9STakashi Iwai struct uac_processing_unit_descriptor *d = p1; 876e0ccdef9STakashi Iwai int protocol = state->mixer->protocol; 877e0ccdef9STakashi Iwai int err; 878e0ccdef9STakashi Iwai 879e0ccdef9STakashi Iwai if (d->bNrInPins) { 880e0ccdef9STakashi Iwai /* call recursively to retrieve the channel info */ 881e0ccdef9STakashi Iwai err = __check_input_term(state, d->baSourceID[0], term); 882e0ccdef9STakashi Iwai if (err < 0) 883e0ccdef9STakashi Iwai return err; 884e0ccdef9STakashi Iwai } 885e0ccdef9STakashi Iwai 886e0ccdef9STakashi Iwai term->type = vtype << 16; /* virtual type */ 887e0ccdef9STakashi Iwai term->id = id; 888e0ccdef9STakashi Iwai 889e0ccdef9STakashi Iwai if (protocol == UAC_VERSION_3) 890e0ccdef9STakashi Iwai return 0; 891e0ccdef9STakashi Iwai 892e0ccdef9STakashi Iwai if (!term->channels) { 893e0ccdef9STakashi Iwai term->channels = uac_processing_unit_bNrChannels(d); 894e0ccdef9STakashi Iwai term->chconfig = uac_processing_unit_wChannelConfig(d, protocol); 895e0ccdef9STakashi Iwai } 896e0ccdef9STakashi Iwai term->name = uac_processing_unit_iProcessing(d, protocol); 897e0ccdef9STakashi Iwai return 0; 898e0ccdef9STakashi Iwai } 899e0ccdef9STakashi Iwai 900e0ccdef9STakashi Iwai static int parse_term_uac2_clock_source(struct mixer_build *state, 901e0ccdef9STakashi Iwai struct usb_audio_term *term, 902e0ccdef9STakashi Iwai void *p1, int id) 903e0ccdef9STakashi Iwai { 904e0ccdef9STakashi Iwai struct uac_clock_source_descriptor *d = p1; 905e0ccdef9STakashi Iwai 906e0ccdef9STakashi Iwai term->type = UAC3_CLOCK_SOURCE << 16; /* virtual type */ 907e0ccdef9STakashi Iwai term->id = id; 908e0ccdef9STakashi Iwai term->name = d->iClockSource; 909e0ccdef9STakashi Iwai return 0; 910e0ccdef9STakashi Iwai } 911e0ccdef9STakashi Iwai 912e0ccdef9STakashi Iwai static int parse_term_uac3_clock_source(struct mixer_build *state, 913e0ccdef9STakashi Iwai struct usb_audio_term *term, 914e0ccdef9STakashi Iwai void *p1, int id) 915e0ccdef9STakashi Iwai { 9169a2fe9b8SRuslan Bilovol struct uac3_clock_source_descriptor *d = p1; 9179a2fe9b8SRuslan Bilovol 9188b3a087fSJorge Sanjuan term->type = UAC3_CLOCK_SOURCE << 16; /* virtual type */ 9199a2fe9b8SRuslan Bilovol term->id = id; 9209a2fe9b8SRuslan Bilovol term->name = le16_to_cpu(d->wClockSourceStr); 9219a2fe9b8SRuslan Bilovol return 0; 9229a2fe9b8SRuslan Bilovol } 9236cfd839aSJorge Sanjuan 924e0ccdef9STakashi Iwai #define PTYPE(a, b) ((a) << 8 | (b)) 9256cfd839aSJorge Sanjuan 926e0ccdef9STakashi Iwai /* 927e0ccdef9STakashi Iwai * parse the source unit recursively until it reaches to a terminal 928e0ccdef9STakashi Iwai * or a branched unit. 929e0ccdef9STakashi Iwai */ 930e0ccdef9STakashi Iwai static int __check_input_term(struct mixer_build *state, int id, 931e0ccdef9STakashi Iwai struct usb_audio_term *term) 932e0ccdef9STakashi Iwai { 933e0ccdef9STakashi Iwai int protocol = state->mixer->protocol; 934e0ccdef9STakashi Iwai void *p1; 935e0ccdef9STakashi Iwai unsigned char *hdr; 9366cfd839aSJorge Sanjuan 937e0ccdef9STakashi Iwai for (;;) { 938e0ccdef9STakashi Iwai /* a loop in the terminal chain? */ 939e0ccdef9STakashi Iwai if (test_and_set_bit(id, state->termbitmap)) 9400f292f02SJorge Sanjuan return -EINVAL; 9410f292f02SJorge Sanjuan 942e0ccdef9STakashi Iwai p1 = find_audio_control_unit(state, id); 943e0ccdef9STakashi Iwai if (!p1) 944e0ccdef9STakashi Iwai break; 945e0ccdef9STakashi Iwai if (!snd_usb_validate_audio_desc(p1, protocol)) 946e0ccdef9STakashi Iwai break; /* bad descriptor */ 9470f292f02SJorge Sanjuan 948e0ccdef9STakashi Iwai hdr = p1; 9490f292f02SJorge Sanjuan term->id = id; 9500f292f02SJorge Sanjuan 951e0ccdef9STakashi Iwai switch (PTYPE(protocol, hdr[2])) { 952e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_1, UAC_FEATURE_UNIT): 953e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_2, UAC_FEATURE_UNIT): 954e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_3, UAC3_FEATURE_UNIT): { 955e0ccdef9STakashi Iwai /* the header is the same for all versions */ 956e0ccdef9STakashi Iwai struct uac_feature_unit_descriptor *d = p1; 957e0ccdef9STakashi Iwai 958e0ccdef9STakashi Iwai id = d->bSourceID; 959e0ccdef9STakashi Iwai break; /* continue to parse */ 9600f292f02SJorge Sanjuan } 961e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_1, UAC_INPUT_TERMINAL): 962e0ccdef9STakashi Iwai return parse_term_uac1_iterm_unit(state, term, p1, id); 963e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_2, UAC_INPUT_TERMINAL): 964e0ccdef9STakashi Iwai return parse_term_uac2_iterm_unit(state, term, p1, id); 965e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_3, UAC_INPUT_TERMINAL): 966e0ccdef9STakashi Iwai return parse_term_uac3_iterm_unit(state, term, p1, id); 967e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_1, UAC_MIXER_UNIT): 968e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_2, UAC_MIXER_UNIT): 969e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_3, UAC3_MIXER_UNIT): 970e0ccdef9STakashi Iwai return parse_term_mixer_unit(state, term, p1, id); 971e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_1, UAC_SELECTOR_UNIT): 972e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_2, UAC_SELECTOR_UNIT): 973e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_2, UAC2_CLOCK_SELECTOR): 974e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_3, UAC3_SELECTOR_UNIT): 975e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_3, UAC3_CLOCK_SELECTOR): 976e0ccdef9STakashi Iwai return parse_term_selector_unit(state, term, p1, id); 977e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_1, UAC1_PROCESSING_UNIT): 978e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_2, UAC2_PROCESSING_UNIT_V2): 979e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_3, UAC3_PROCESSING_UNIT): 980e0ccdef9STakashi Iwai return parse_term_proc_unit(state, term, p1, id, 981e0ccdef9STakashi Iwai UAC3_PROCESSING_UNIT); 982e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_2, UAC2_EFFECT_UNIT): 983e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_3, UAC3_EFFECT_UNIT): 984e0ccdef9STakashi Iwai return parse_term_proc_unit(state, term, p1, id, 985e0ccdef9STakashi Iwai UAC3_EFFECT_UNIT); 986e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_1, UAC1_EXTENSION_UNIT): 987e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_2, UAC2_EXTENSION_UNIT_V2): 988e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_3, UAC3_EXTENSION_UNIT): 989e0ccdef9STakashi Iwai return parse_term_proc_unit(state, term, p1, id, 990e0ccdef9STakashi Iwai UAC3_EXTENSION_UNIT); 991e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_2, UAC2_CLOCK_SOURCE): 992e0ccdef9STakashi Iwai return parse_term_uac2_clock_source(state, term, p1, id); 993e0ccdef9STakashi Iwai case PTYPE(UAC_VERSION_3, UAC3_CLOCK_SOURCE): 994e0ccdef9STakashi Iwai return parse_term_uac3_clock_source(state, term, p1, id); 9959a2fe9b8SRuslan Bilovol default: 9969a2fe9b8SRuslan Bilovol return -ENODEV; 9979a2fe9b8SRuslan Bilovol } 9989a2fe9b8SRuslan Bilovol } 999f0b5e634SDaniel Mack return -ENODEV; 1000f0b5e634SDaniel Mack } 1001f0b5e634SDaniel Mack 100219bce474SHui Peng 100319bce474SHui Peng static int check_input_term(struct mixer_build *state, int id, 100419bce474SHui Peng struct usb_audio_term *term) 100519bce474SHui Peng { 100619bce474SHui Peng memset(term, 0, sizeof(*term)); 100719bce474SHui Peng memset(state->termbitmap, 0, sizeof(state->termbitmap)); 100819bce474SHui Peng return __check_input_term(state, id, term); 100919bce474SHui Peng } 101019bce474SHui Peng 1011f0b5e634SDaniel Mack /* 1012f0b5e634SDaniel Mack * Feature Unit 1013f0b5e634SDaniel Mack */ 1014f0b5e634SDaniel Mack 1015f0b5e634SDaniel Mack /* feature unit control information */ 1016f0b5e634SDaniel Mack struct usb_feature_control_info { 101721e9b3e9SAndrew Chant int control; 1018f0b5e634SDaniel Mack const char *name; 1019bc18e31cSJulian Scheel int type; /* data type for uac1 */ 1020bc18e31cSJulian Scheel int type_uac2; /* data type for uac2 if different from uac1, else -1 */ 1021f0b5e634SDaniel Mack }; 1022f0b5e634SDaniel Mack 1023a01df925STakashi Iwai static const struct usb_feature_control_info audio_feature_info[] = { 102421e9b3e9SAndrew Chant { UAC_FU_MUTE, "Mute", USB_MIXER_INV_BOOLEAN, -1 }, 102521e9b3e9SAndrew Chant { UAC_FU_VOLUME, "Volume", USB_MIXER_S16, -1 }, 102621e9b3e9SAndrew Chant { UAC_FU_BASS, "Tone Control - Bass", USB_MIXER_S8, -1 }, 102721e9b3e9SAndrew Chant { UAC_FU_MID, "Tone Control - Mid", USB_MIXER_S8, -1 }, 102821e9b3e9SAndrew Chant { UAC_FU_TREBLE, "Tone Control - Treble", USB_MIXER_S8, -1 }, 102921e9b3e9SAndrew Chant { UAC_FU_GRAPHIC_EQUALIZER, "Graphic Equalizer", USB_MIXER_S8, -1 }, /* FIXME: not implemented yet */ 103021e9b3e9SAndrew Chant { UAC_FU_AUTOMATIC_GAIN, "Auto Gain Control", USB_MIXER_BOOLEAN, -1 }, 103121e9b3e9SAndrew Chant { UAC_FU_DELAY, "Delay Control", USB_MIXER_U16, USB_MIXER_U32 }, 103221e9b3e9SAndrew Chant { UAC_FU_BASS_BOOST, "Bass Boost", USB_MIXER_BOOLEAN, -1 }, 103321e9b3e9SAndrew Chant { UAC_FU_LOUDNESS, "Loudness", USB_MIXER_BOOLEAN, -1 }, 10342e0281d1SDaniel Mack /* UAC2 specific */ 103521e9b3e9SAndrew Chant { UAC2_FU_INPUT_GAIN, "Input Gain Control", USB_MIXER_S16, -1 }, 103621e9b3e9SAndrew Chant { UAC2_FU_INPUT_GAIN_PAD, "Input Gain Pad Control", USB_MIXER_S16, -1 }, 103721e9b3e9SAndrew Chant { UAC2_FU_PHASE_INVERTER, "Phase Inverter Control", USB_MIXER_BOOLEAN, -1 }, 1038f0b5e634SDaniel Mack }; 1039f0b5e634SDaniel Mack 104052c3e317STakashi Iwai static void usb_mixer_elem_info_free(struct usb_mixer_elem_info *cval) 104152c3e317STakashi Iwai { 104252c3e317STakashi Iwai kfree(cval); 104352c3e317STakashi Iwai } 104452c3e317STakashi Iwai 1045f0b5e634SDaniel Mack /* private_free callback */ 1046eef90451SChris J Arges void snd_usb_mixer_elem_free(struct snd_kcontrol *kctl) 1047f0b5e634SDaniel Mack { 104852c3e317STakashi Iwai usb_mixer_elem_info_free(kctl->private_data); 1049f0b5e634SDaniel Mack kctl->private_data = NULL; 1050f0b5e634SDaniel Mack } 1051f0b5e634SDaniel Mack 1052f0b5e634SDaniel Mack /* 1053f0b5e634SDaniel Mack * interface to ALSA control for feature/mixer units 1054f0b5e634SDaniel Mack */ 1055f0b5e634SDaniel Mack 1056dcaaf9f2STakashi Iwai /* volume control quirks */ 1057dcaaf9f2STakashi Iwai static void volume_control_quirks(struct usb_mixer_elem_info *cval, 1058dcaaf9f2STakashi Iwai struct snd_kcontrol *kctl) 1059dcaaf9f2STakashi Iwai { 10603360b84bSTakashi Iwai struct snd_usb_audio *chip = cval->head.mixer->chip; 10610ba41d91STakashi Iwai switch (chip->usb_id) { 1062d50ed624SEldad Zack case USB_ID(0x0763, 0x2030): /* M-Audio Fast Track C400 */ 1063e9a25e04SMatt Gruskin case USB_ID(0x0763, 0x2031): /* M-Audio Fast Track C600 */ 1064d50ed624SEldad Zack if (strcmp(kctl->id.name, "Effect Duration") == 0) { 1065d50ed624SEldad Zack cval->min = 0x0000; 1066d50ed624SEldad Zack cval->max = 0xffff; 1067d50ed624SEldad Zack cval->res = 0x00e6; 1068d50ed624SEldad Zack break; 1069d50ed624SEldad Zack } 1070d50ed624SEldad Zack if (strcmp(kctl->id.name, "Effect Volume") == 0 || 1071d50ed624SEldad Zack strcmp(kctl->id.name, "Effect Feedback Volume") == 0) { 1072d50ed624SEldad Zack cval->min = 0x00; 1073d50ed624SEldad Zack cval->max = 0xff; 1074d50ed624SEldad Zack break; 1075d50ed624SEldad Zack } 1076d50ed624SEldad Zack if (strstr(kctl->id.name, "Effect Return") != NULL) { 1077d50ed624SEldad Zack cval->min = 0xb706; 1078d50ed624SEldad Zack cval->max = 0xff7b; 1079d50ed624SEldad Zack cval->res = 0x0073; 1080d50ed624SEldad Zack break; 1081d50ed624SEldad Zack } 1082d50ed624SEldad Zack if ((strstr(kctl->id.name, "Playback Volume") != NULL) || 1083d50ed624SEldad Zack (strstr(kctl->id.name, "Effect Send") != NULL)) { 1084d50ed624SEldad Zack cval->min = 0xb5fb; /* -73 dB = 0xb6ff */ 1085d50ed624SEldad Zack cval->max = 0xfcfe; 1086d50ed624SEldad Zack cval->res = 0x0073; 1087d50ed624SEldad Zack } 1088d50ed624SEldad Zack break; 1089d50ed624SEldad Zack 1090d34bf148SFelix Homann case USB_ID(0x0763, 0x2081): /* M-Audio Fast Track Ultra 8R */ 1091d34bf148SFelix Homann case USB_ID(0x0763, 0x2080): /* M-Audio Fast Track Ultra */ 1092d34bf148SFelix Homann if (strcmp(kctl->id.name, "Effect Duration") == 0) { 10930ba41d91STakashi Iwai usb_audio_info(chip, 10940ba41d91STakashi Iwai "set quirk for FTU Effect Duration\n"); 1095d34bf148SFelix Homann cval->min = 0x0000; 1096d34bf148SFelix Homann cval->max = 0x7f00; 1097d34bf148SFelix Homann cval->res = 0x0100; 1098d34bf148SFelix Homann break; 1099d34bf148SFelix Homann } 1100d34bf148SFelix Homann if (strcmp(kctl->id.name, "Effect Volume") == 0 || 1101d34bf148SFelix Homann strcmp(kctl->id.name, "Effect Feedback Volume") == 0) { 11020ba41d91STakashi Iwai usb_audio_info(chip, 11030ba41d91STakashi Iwai "set quirks for FTU Effect Feedback/Volume\n"); 1104d34bf148SFelix Homann cval->min = 0x00; 1105d34bf148SFelix Homann cval->max = 0x7f; 1106d34bf148SFelix Homann break; 1107d34bf148SFelix Homann } 1108d34bf148SFelix Homann break; 1109d34bf148SFelix Homann 111021493316SFederico Cuello case USB_ID(0x0d8c, 0x0103): 111121493316SFederico Cuello if (!strcmp(kctl->id.name, "PCM Playback Volume")) { 111221493316SFederico Cuello usb_audio_info(chip, 111321493316SFederico Cuello "set volume quirk for CM102-A+/102S+\n"); 111421493316SFederico Cuello cval->min = -256; 111521493316SFederico Cuello } 111621493316SFederico Cuello break; 111721493316SFederico Cuello 1118dcaaf9f2STakashi Iwai case USB_ID(0x0471, 0x0101): 1119dcaaf9f2STakashi Iwai case USB_ID(0x0471, 0x0104): 1120dcaaf9f2STakashi Iwai case USB_ID(0x0471, 0x0105): 1121dcaaf9f2STakashi Iwai case USB_ID(0x0672, 0x1041): 1122dcaaf9f2STakashi Iwai /* quirk for UDA1321/N101. 1123dcaaf9f2STakashi Iwai * note that detection between firmware 2.1.1.7 (N101) 1124dcaaf9f2STakashi Iwai * and later 2.1.1.21 is not very clear from datasheets. 1125dcaaf9f2STakashi Iwai * I hope that the min value is -15360 for newer firmware --jk 1126dcaaf9f2STakashi Iwai */ 1127dcaaf9f2STakashi Iwai if (!strcmp(kctl->id.name, "PCM Playback Volume") && 1128dcaaf9f2STakashi Iwai cval->min == -15616) { 11290ba41d91STakashi Iwai usb_audio_info(chip, 1130dcaaf9f2STakashi Iwai "set volume quirk for UDA1321/N101 chip\n"); 1131dcaaf9f2STakashi Iwai cval->max = -256; 1132dcaaf9f2STakashi Iwai } 1133dcaaf9f2STakashi Iwai break; 1134dcaaf9f2STakashi Iwai 1135dcaaf9f2STakashi Iwai case USB_ID(0x046d, 0x09a4): 1136dcaaf9f2STakashi Iwai if (!strcmp(kctl->id.name, "Mic Capture Volume")) { 11370ba41d91STakashi Iwai usb_audio_info(chip, 1138dcaaf9f2STakashi Iwai "set volume quirk for QuickCam E3500\n"); 1139dcaaf9f2STakashi Iwai cval->min = 6080; 1140dcaaf9f2STakashi Iwai cval->max = 8768; 1141dcaaf9f2STakashi Iwai cval->res = 192; 1142dcaaf9f2STakashi Iwai } 1143dcaaf9f2STakashi Iwai break; 1144dcaaf9f2STakashi Iwai 1145e805ca8bSTakashi Iwai case USB_ID(0x046d, 0x0807): /* Logitech Webcam C500 */ 1146dcaaf9f2STakashi Iwai case USB_ID(0x046d, 0x0808): 1147dcaaf9f2STakashi Iwai case USB_ID(0x046d, 0x0809): 114864559311SJason Lee Cragg case USB_ID(0x046d, 0x0819): /* Logitech Webcam C210 */ 114936691e1bSTakashi Iwai case USB_ID(0x046d, 0x081b): /* HD Webcam c310 */ 115055c0008bSAlexey Fisher case USB_ID(0x046d, 0x081d): /* HD Webcam c510 */ 115111e7064fSTakashi Iwai case USB_ID(0x046d, 0x0825): /* HD Webcam c270 */ 1152140d37deSMaksim A. Boyko case USB_ID(0x046d, 0x0826): /* HD Webcam c525 */ 11531ef9f058SWolfram Sang case USB_ID(0x046d, 0x08ca): /* Logitech Quickcam Fusion */ 1154dcaaf9f2STakashi Iwai case USB_ID(0x046d, 0x0991): 115582ffb6fcSCon Kolivas case USB_ID(0x046d, 0x09a2): /* QuickCam Communicate Deluxe/S7500 */ 1156dcaaf9f2STakashi Iwai /* Most audio usb devices lie about volume resolution. 1157dcaaf9f2STakashi Iwai * Most Logitech webcams have res = 384. 115882ffb6fcSCon Kolivas * Probably there is some logitech magic behind this number --fishor 1159dcaaf9f2STakashi Iwai */ 1160dcaaf9f2STakashi Iwai if (!strcmp(kctl->id.name, "Mic Capture Volume")) { 11610ba41d91STakashi Iwai usb_audio_info(chip, 1162dcaaf9f2STakashi Iwai "set resolution quirk: cval->res = 384\n"); 1163dcaaf9f2STakashi Iwai cval->res = 384; 1164dcaaf9f2STakashi Iwai } 1165dcaaf9f2STakashi Iwai break; 1166dcaaf9f2STakashi Iwai } 1167dcaaf9f2STakashi Iwai } 1168dcaaf9f2STakashi Iwai 1169f0b5e634SDaniel Mack /* 1170f0b5e634SDaniel Mack * retrieve the minimum and maximum values for the specified control 1171f0b5e634SDaniel Mack */ 1172dcaaf9f2STakashi Iwai static int get_min_max_with_quirks(struct usb_mixer_elem_info *cval, 1173dcaaf9f2STakashi Iwai int default_min, struct snd_kcontrol *kctl) 1174f0b5e634SDaniel Mack { 1175f0b5e634SDaniel Mack /* for failsafe */ 1176f0b5e634SDaniel Mack cval->min = default_min; 1177f0b5e634SDaniel Mack cval->max = cval->min + 1; 1178f0b5e634SDaniel Mack cval->res = 1; 1179f0b5e634SDaniel Mack cval->dBmin = cval->dBmax = 0; 1180f0b5e634SDaniel Mack 1181f0b5e634SDaniel Mack if (cval->val_type == USB_MIXER_BOOLEAN || 1182f0b5e634SDaniel Mack cval->val_type == USB_MIXER_INV_BOOLEAN) { 1183f0b5e634SDaniel Mack cval->initialized = 1; 1184f0b5e634SDaniel Mack } else { 1185f0b5e634SDaniel Mack int minchn = 0; 1186f0b5e634SDaniel Mack if (cval->cmask) { 1187f0b5e634SDaniel Mack int i; 1188f0b5e634SDaniel Mack for (i = 0; i < MAX_CHANNELS; i++) 1189f0b5e634SDaniel Mack if (cval->cmask & (1 << i)) { 1190f0b5e634SDaniel Mack minchn = i + 1; 1191f0b5e634SDaniel Mack break; 1192f0b5e634SDaniel Mack } 1193f0b5e634SDaniel Mack } 1194f0b5e634SDaniel Mack if (get_ctl_value(cval, UAC_GET_MAX, (cval->control << 8) | minchn, &cval->max) < 0 || 1195f0b5e634SDaniel Mack get_ctl_value(cval, UAC_GET_MIN, (cval->control << 8) | minchn, &cval->min) < 0) { 11963360b84bSTakashi Iwai usb_audio_err(cval->head.mixer->chip, 11970ba41d91STakashi Iwai "%d:%d: cannot get min/max values for control %d (id %d)\n", 11983360b84bSTakashi Iwai cval->head.id, snd_usb_ctrl_intf(cval->head.mixer->chip), 11993360b84bSTakashi Iwai cval->control, cval->head.id); 1200f0b5e634SDaniel Mack return -EINVAL; 1201f0b5e634SDaniel Mack } 12026bc170e4SDaniel Mack if (get_ctl_value(cval, UAC_GET_RES, 12036bc170e4SDaniel Mack (cval->control << 8) | minchn, 12046bc170e4SDaniel Mack &cval->res) < 0) { 1205f0b5e634SDaniel Mack cval->res = 1; 1206f0b5e634SDaniel Mack } else { 1207f0b5e634SDaniel Mack int last_valid_res = cval->res; 1208f0b5e634SDaniel Mack 1209f0b5e634SDaniel Mack while (cval->res > 1) { 1210f0b5e634SDaniel Mack if (snd_usb_mixer_set_ctl_value(cval, UAC_SET_RES, 12116bc170e4SDaniel Mack (cval->control << 8) | minchn, 12126bc170e4SDaniel Mack cval->res / 2) < 0) 1213f0b5e634SDaniel Mack break; 1214f0b5e634SDaniel Mack cval->res /= 2; 1215f0b5e634SDaniel Mack } 12166bc170e4SDaniel Mack if (get_ctl_value(cval, UAC_GET_RES, 12176bc170e4SDaniel Mack (cval->control << 8) | minchn, &cval->res) < 0) 1218f0b5e634SDaniel Mack cval->res = last_valid_res; 1219f0b5e634SDaniel Mack } 1220f0b5e634SDaniel Mack if (cval->res == 0) 1221f0b5e634SDaniel Mack cval->res = 1; 1222f0b5e634SDaniel Mack 1223f0b5e634SDaniel Mack /* Additional checks for the proper resolution 1224f0b5e634SDaniel Mack * 1225f0b5e634SDaniel Mack * Some devices report smaller resolutions than actually 1226f0b5e634SDaniel Mack * reacting. They don't return errors but simply clip 1227f0b5e634SDaniel Mack * to the lower aligned value. 1228f0b5e634SDaniel Mack */ 1229f0b5e634SDaniel Mack if (cval->min + cval->res < cval->max) { 1230f0b5e634SDaniel Mack int last_valid_res = cval->res; 1231f0b5e634SDaniel Mack int saved, test, check; 1232167beb17STakashi Iwai if (get_cur_mix_raw(cval, minchn, &saved) < 0) 1233167beb17STakashi Iwai goto no_res_check; 1234f0b5e634SDaniel Mack for (;;) { 1235f0b5e634SDaniel Mack test = saved; 1236f0b5e634SDaniel Mack if (test < cval->max) 1237f0b5e634SDaniel Mack test += cval->res; 1238f0b5e634SDaniel Mack else 1239f0b5e634SDaniel Mack test -= cval->res; 1240f0b5e634SDaniel Mack if (test < cval->min || test > cval->max || 1241eef90451SChris J Arges snd_usb_set_cur_mix_value(cval, minchn, 0, test) || 1242f0b5e634SDaniel Mack get_cur_mix_raw(cval, minchn, &check)) { 1243f0b5e634SDaniel Mack cval->res = last_valid_res; 1244f0b5e634SDaniel Mack break; 1245f0b5e634SDaniel Mack } 1246f0b5e634SDaniel Mack if (test == check) 1247f0b5e634SDaniel Mack break; 1248f0b5e634SDaniel Mack cval->res *= 2; 1249f0b5e634SDaniel Mack } 1250eef90451SChris J Arges snd_usb_set_cur_mix_value(cval, minchn, 0, saved); 1251f0b5e634SDaniel Mack } 1252f0b5e634SDaniel Mack 1253167beb17STakashi Iwai no_res_check: 1254f0b5e634SDaniel Mack cval->initialized = 1; 1255f0b5e634SDaniel Mack } 1256f0b5e634SDaniel Mack 1257dcaaf9f2STakashi Iwai if (kctl) 1258dcaaf9f2STakashi Iwai volume_control_quirks(cval, kctl); 1259dcaaf9f2STakashi Iwai 1260f0b5e634SDaniel Mack /* USB descriptions contain the dB scale in 1/256 dB unit 1261f0b5e634SDaniel Mack * while ALSA TLV contains in 1/100 dB unit 1262f0b5e634SDaniel Mack */ 1263f0b5e634SDaniel Mack cval->dBmin = (convert_signed_value(cval, cval->min) * 100) / 256; 1264f0b5e634SDaniel Mack cval->dBmax = (convert_signed_value(cval, cval->max) * 100) / 256; 1265f0b5e634SDaniel Mack if (cval->dBmin > cval->dBmax) { 1266f0b5e634SDaniel Mack /* something is wrong; assume it's either from/to 0dB */ 1267f0b5e634SDaniel Mack if (cval->dBmin < 0) 1268f0b5e634SDaniel Mack cval->dBmax = 0; 1269f0b5e634SDaniel Mack else if (cval->dBmin > 0) 1270f0b5e634SDaniel Mack cval->dBmin = 0; 1271f0b5e634SDaniel Mack if (cval->dBmin > cval->dBmax) { 1272f0b5e634SDaniel Mack /* totally crap, return an error */ 1273f0b5e634SDaniel Mack return -EINVAL; 1274f0b5e634SDaniel Mack } 1275f0b5e634SDaniel Mack } 1276f0b5e634SDaniel Mack 1277f0b5e634SDaniel Mack return 0; 1278f0b5e634SDaniel Mack } 1279f0b5e634SDaniel Mack 1280dcaaf9f2STakashi Iwai #define get_min_max(cval, def) get_min_max_with_quirks(cval, def, NULL) 1281f0b5e634SDaniel Mack 1282f0b5e634SDaniel Mack /* get a feature/mixer unit info */ 12836bc170e4SDaniel Mack static int mixer_ctl_feature_info(struct snd_kcontrol *kcontrol, 12846bc170e4SDaniel Mack struct snd_ctl_elem_info *uinfo) 1285f0b5e634SDaniel Mack { 1286f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval = kcontrol->private_data; 1287f0b5e634SDaniel Mack 1288f0b5e634SDaniel Mack if (cval->val_type == USB_MIXER_BOOLEAN || 1289f0b5e634SDaniel Mack cval->val_type == USB_MIXER_INV_BOOLEAN) 1290f0b5e634SDaniel Mack uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 1291f0b5e634SDaniel Mack else 1292f0b5e634SDaniel Mack uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 1293f0b5e634SDaniel Mack uinfo->count = cval->channels; 1294f0b5e634SDaniel Mack if (cval->val_type == USB_MIXER_BOOLEAN || 1295f0b5e634SDaniel Mack cval->val_type == USB_MIXER_INV_BOOLEAN) { 1296f0b5e634SDaniel Mack uinfo->value.integer.min = 0; 1297f0b5e634SDaniel Mack uinfo->value.integer.max = 1; 1298f0b5e634SDaniel Mack } else { 12999fcd0ab1STakashi Iwai if (!cval->initialized) { 1300dcaaf9f2STakashi Iwai get_min_max_with_quirks(cval, 0, kcontrol); 13019fcd0ab1STakashi Iwai if (cval->initialized && cval->dBmin >= cval->dBmax) { 13029fcd0ab1STakashi Iwai kcontrol->vd[0].access &= 13039fcd0ab1STakashi Iwai ~(SNDRV_CTL_ELEM_ACCESS_TLV_READ | 13049fcd0ab1STakashi Iwai SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK); 13053360b84bSTakashi Iwai snd_ctl_notify(cval->head.mixer->chip->card, 13069fcd0ab1STakashi Iwai SNDRV_CTL_EVENT_MASK_INFO, 13079fcd0ab1STakashi Iwai &kcontrol->id); 13089fcd0ab1STakashi Iwai } 13099fcd0ab1STakashi Iwai } 1310f0b5e634SDaniel Mack uinfo->value.integer.min = 0; 1311f0b5e634SDaniel Mack uinfo->value.integer.max = 1312f0b5e634SDaniel Mack (cval->max - cval->min + cval->res - 1) / cval->res; 1313f0b5e634SDaniel Mack } 1314f0b5e634SDaniel Mack return 0; 1315f0b5e634SDaniel Mack } 1316f0b5e634SDaniel Mack 1317f0b5e634SDaniel Mack /* get the current value from feature/mixer unit */ 13186bc170e4SDaniel Mack static int mixer_ctl_feature_get(struct snd_kcontrol *kcontrol, 13196bc170e4SDaniel Mack struct snd_ctl_elem_value *ucontrol) 1320f0b5e634SDaniel Mack { 1321f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval = kcontrol->private_data; 1322f0b5e634SDaniel Mack int c, cnt, val, err; 1323f0b5e634SDaniel Mack 1324f0b5e634SDaniel Mack ucontrol->value.integer.value[0] = cval->min; 1325f0b5e634SDaniel Mack if (cval->cmask) { 1326f0b5e634SDaniel Mack cnt = 0; 1327f0b5e634SDaniel Mack for (c = 0; c < MAX_CHANNELS; c++) { 1328f0b5e634SDaniel Mack if (!(cval->cmask & (1 << c))) 1329f0b5e634SDaniel Mack continue; 1330eef90451SChris J Arges err = snd_usb_get_cur_mix_value(cval, c + 1, cnt, &val); 1331f0b5e634SDaniel Mack if (err < 0) 13325aeee342STakashi Iwai return filter_error(cval, err); 1333f0b5e634SDaniel Mack val = get_relative_value(cval, val); 1334f0b5e634SDaniel Mack ucontrol->value.integer.value[cnt] = val; 1335f0b5e634SDaniel Mack cnt++; 1336f0b5e634SDaniel Mack } 1337f0b5e634SDaniel Mack return 0; 1338f0b5e634SDaniel Mack } else { 1339f0b5e634SDaniel Mack /* master channel */ 1340eef90451SChris J Arges err = snd_usb_get_cur_mix_value(cval, 0, 0, &val); 1341f0b5e634SDaniel Mack if (err < 0) 13425aeee342STakashi Iwai return filter_error(cval, err); 1343f0b5e634SDaniel Mack val = get_relative_value(cval, val); 1344f0b5e634SDaniel Mack ucontrol->value.integer.value[0] = val; 1345f0b5e634SDaniel Mack } 1346f0b5e634SDaniel Mack return 0; 1347f0b5e634SDaniel Mack } 1348f0b5e634SDaniel Mack 1349f0b5e634SDaniel Mack /* put the current value to feature/mixer unit */ 13506bc170e4SDaniel Mack static int mixer_ctl_feature_put(struct snd_kcontrol *kcontrol, 13516bc170e4SDaniel Mack struct snd_ctl_elem_value *ucontrol) 1352f0b5e634SDaniel Mack { 1353f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval = kcontrol->private_data; 1354f0b5e634SDaniel Mack int c, cnt, val, oval, err; 1355f0b5e634SDaniel Mack int changed = 0; 1356f0b5e634SDaniel Mack 1357f0b5e634SDaniel Mack if (cval->cmask) { 1358f0b5e634SDaniel Mack cnt = 0; 1359f0b5e634SDaniel Mack for (c = 0; c < MAX_CHANNELS; c++) { 1360f0b5e634SDaniel Mack if (!(cval->cmask & (1 << c))) 1361f0b5e634SDaniel Mack continue; 1362eef90451SChris J Arges err = snd_usb_get_cur_mix_value(cval, c + 1, cnt, &oval); 1363f0b5e634SDaniel Mack if (err < 0) 13645aeee342STakashi Iwai return filter_error(cval, err); 1365f0b5e634SDaniel Mack val = ucontrol->value.integer.value[cnt]; 1366f0b5e634SDaniel Mack val = get_abs_value(cval, val); 1367f0b5e634SDaniel Mack if (oval != val) { 1368eef90451SChris J Arges snd_usb_set_cur_mix_value(cval, c + 1, cnt, val); 1369f0b5e634SDaniel Mack changed = 1; 1370f0b5e634SDaniel Mack } 1371f0b5e634SDaniel Mack cnt++; 1372f0b5e634SDaniel Mack } 1373f0b5e634SDaniel Mack } else { 1374f0b5e634SDaniel Mack /* master channel */ 1375eef90451SChris J Arges err = snd_usb_get_cur_mix_value(cval, 0, 0, &oval); 1376f0b5e634SDaniel Mack if (err < 0) 13775aeee342STakashi Iwai return filter_error(cval, err); 1378f0b5e634SDaniel Mack val = ucontrol->value.integer.value[0]; 1379f0b5e634SDaniel Mack val = get_abs_value(cval, val); 1380f0b5e634SDaniel Mack if (val != oval) { 1381eef90451SChris J Arges snd_usb_set_cur_mix_value(cval, 0, 0, val); 1382f0b5e634SDaniel Mack changed = 1; 1383f0b5e634SDaniel Mack } 1384f0b5e634SDaniel Mack } 1385f0b5e634SDaniel Mack return changed; 1386f0b5e634SDaniel Mack } 1387f0b5e634SDaniel Mack 1388568fa7e0SAndrew Chant /* get the boolean value from the master channel of a UAC control */ 1389568fa7e0SAndrew Chant static int mixer_ctl_master_bool_get(struct snd_kcontrol *kcontrol, 13905a222e84SAndrew Chant struct snd_ctl_elem_value *ucontrol) 13915a222e84SAndrew Chant { 13925a222e84SAndrew Chant struct usb_mixer_elem_info *cval = kcontrol->private_data; 13935a222e84SAndrew Chant int val, err; 13945a222e84SAndrew Chant 13955a222e84SAndrew Chant err = snd_usb_get_cur_mix_value(cval, 0, 0, &val); 13965a222e84SAndrew Chant if (err < 0) 13975a222e84SAndrew Chant return filter_error(cval, err); 13985a222e84SAndrew Chant val = (val != 0); 13995a222e84SAndrew Chant ucontrol->value.integer.value[0] = val; 14005a222e84SAndrew Chant return 0; 14015a222e84SAndrew Chant } 14025a222e84SAndrew Chant 14031d38f5d8SJorge Sanjuan /* get the connectors status and report it as boolean type */ 14041d38f5d8SJorge Sanjuan static int mixer_ctl_connector_get(struct snd_kcontrol *kcontrol, 14051d38f5d8SJorge Sanjuan struct snd_ctl_elem_value *ucontrol) 14061d38f5d8SJorge Sanjuan { 14071d38f5d8SJorge Sanjuan struct usb_mixer_elem_info *cval = kcontrol->private_data; 14081d38f5d8SJorge Sanjuan struct snd_usb_audio *chip = cval->head.mixer->chip; 14091d38f5d8SJorge Sanjuan int idx = 0, validx, ret, val; 14101d38f5d8SJorge Sanjuan 14111d38f5d8SJorge Sanjuan validx = cval->control << 8 | 0; 14121d38f5d8SJorge Sanjuan 14131d38f5d8SJorge Sanjuan ret = snd_usb_lock_shutdown(chip) ? -EIO : 0; 14141d38f5d8SJorge Sanjuan if (ret) 14151d38f5d8SJorge Sanjuan goto error; 14161d38f5d8SJorge Sanjuan 14171d38f5d8SJorge Sanjuan idx = snd_usb_ctrl_intf(chip) | (cval->head.id << 8); 14181d38f5d8SJorge Sanjuan if (cval->head.mixer->protocol == UAC_VERSION_2) { 14191d38f5d8SJorge Sanjuan struct uac2_connectors_ctl_blk uac2_conn; 14201d38f5d8SJorge Sanjuan 14211d38f5d8SJorge Sanjuan ret = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), UAC2_CS_CUR, 14221d38f5d8SJorge Sanjuan USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, 14231d38f5d8SJorge Sanjuan validx, idx, &uac2_conn, sizeof(uac2_conn)); 14241d38f5d8SJorge Sanjuan val = !!uac2_conn.bNrChannels; 14251d38f5d8SJorge Sanjuan } else { /* UAC_VERSION_3 */ 14261d38f5d8SJorge Sanjuan struct uac3_insertion_ctl_blk uac3_conn; 14271d38f5d8SJorge Sanjuan 14281d38f5d8SJorge Sanjuan ret = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), UAC2_CS_CUR, 14291d38f5d8SJorge Sanjuan USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, 14301d38f5d8SJorge Sanjuan validx, idx, &uac3_conn, sizeof(uac3_conn)); 14311d38f5d8SJorge Sanjuan val = !!uac3_conn.bmConInserted; 14321d38f5d8SJorge Sanjuan } 14331d38f5d8SJorge Sanjuan 14341d38f5d8SJorge Sanjuan snd_usb_unlock_shutdown(chip); 14351d38f5d8SJorge Sanjuan 14361d38f5d8SJorge Sanjuan if (ret < 0) { 14371d38f5d8SJorge Sanjuan error: 14381d38f5d8SJorge Sanjuan usb_audio_err(chip, 14391d38f5d8SJorge Sanjuan "cannot get connectors status: req = %#x, wValue = %#x, wIndex = %#x, type = %d\n", 14401d38f5d8SJorge Sanjuan UAC_GET_CUR, validx, idx, cval->val_type); 14411d38f5d8SJorge Sanjuan return ret; 14421d38f5d8SJorge Sanjuan } 14431d38f5d8SJorge Sanjuan 14441d38f5d8SJorge Sanjuan ucontrol->value.integer.value[0] = val; 14451d38f5d8SJorge Sanjuan return 0; 14461d38f5d8SJorge Sanjuan } 14471d38f5d8SJorge Sanjuan 1448195727e8STakashi Iwai static const struct snd_kcontrol_new usb_feature_unit_ctl = { 1449f0b5e634SDaniel Mack .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1450f0b5e634SDaniel Mack .name = "", /* will be filled later manually */ 1451f0b5e634SDaniel Mack .info = mixer_ctl_feature_info, 1452f0b5e634SDaniel Mack .get = mixer_ctl_feature_get, 1453f0b5e634SDaniel Mack .put = mixer_ctl_feature_put, 1454f0b5e634SDaniel Mack }; 1455f0b5e634SDaniel Mack 145623caaf19SDaniel Mack /* the read-only variant */ 14578fdaebbbSBhumika Goyal static const struct snd_kcontrol_new usb_feature_unit_ctl_ro = { 145823caaf19SDaniel Mack .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 145923caaf19SDaniel Mack .name = "", /* will be filled later manually */ 146023caaf19SDaniel Mack .info = mixer_ctl_feature_info, 146123caaf19SDaniel Mack .get = mixer_ctl_feature_get, 146223caaf19SDaniel Mack .put = NULL, 146323caaf19SDaniel Mack }; 146423caaf19SDaniel Mack 1465568fa7e0SAndrew Chant /* 1466568fa7e0SAndrew Chant * A control which shows the boolean value from reading a UAC control on 1467568fa7e0SAndrew Chant * the master channel. 1468568fa7e0SAndrew Chant */ 1469195727e8STakashi Iwai static const struct snd_kcontrol_new usb_bool_master_control_ctl_ro = { 14705a222e84SAndrew Chant .iface = SNDRV_CTL_ELEM_IFACE_CARD, 14715a222e84SAndrew Chant .name = "", /* will be filled later manually */ 14725a222e84SAndrew Chant .access = SNDRV_CTL_ELEM_ACCESS_READ, 14735a222e84SAndrew Chant .info = snd_ctl_boolean_mono_info, 1474568fa7e0SAndrew Chant .get = mixer_ctl_master_bool_get, 14755a222e84SAndrew Chant .put = NULL, 14765a222e84SAndrew Chant }; 14775a222e84SAndrew Chant 14781d38f5d8SJorge Sanjuan static const struct snd_kcontrol_new usb_connector_ctl_ro = { 14791d38f5d8SJorge Sanjuan .iface = SNDRV_CTL_ELEM_IFACE_CARD, 14801d38f5d8SJorge Sanjuan .name = "", /* will be filled later manually */ 14811d38f5d8SJorge Sanjuan .access = SNDRV_CTL_ELEM_ACCESS_READ, 14821d38f5d8SJorge Sanjuan .info = snd_ctl_boolean_mono_info, 14831d38f5d8SJorge Sanjuan .get = mixer_ctl_connector_get, 14841d38f5d8SJorge Sanjuan .put = NULL, 14851d38f5d8SJorge Sanjuan }; 14861d38f5d8SJorge Sanjuan 14876bc170e4SDaniel Mack /* 14886bc170e4SDaniel Mack * This symbol is exported in order to allow the mixer quirks to 14896bc170e4SDaniel Mack * hook up to the standard feature unit control mechanism 14906bc170e4SDaniel Mack */ 1491195727e8STakashi Iwai const struct snd_kcontrol_new *snd_usb_feature_unit_ctl = &usb_feature_unit_ctl; 1492f0b5e634SDaniel Mack 1493f0b5e634SDaniel Mack /* 1494f0b5e634SDaniel Mack * build a feature control 1495f0b5e634SDaniel Mack */ 1496f0b5e634SDaniel Mack static size_t append_ctl_name(struct snd_kcontrol *kctl, const char *str) 1497f0b5e634SDaniel Mack { 1498f0b5e634SDaniel Mack return strlcat(kctl->id.name, str, sizeof(kctl->id.name)); 1499f0b5e634SDaniel Mack } 1500f0b5e634SDaniel Mack 15016bc170e4SDaniel Mack /* 15026bc170e4SDaniel Mack * A lot of headsets/headphones have a "Speaker" mixer. Make sure we 15036bc170e4SDaniel Mack * rename it to "Headphone". We determine if something is a headphone 15046bc170e4SDaniel Mack * similar to how udev determines form factor. 15056bc170e4SDaniel Mack */ 15069b4ef977SDavid Henningsson static void check_no_speaker_on_headset(struct snd_kcontrol *kctl, 15079b4ef977SDavid Henningsson struct snd_card *card) 15089b4ef977SDavid Henningsson { 15099b4ef977SDavid Henningsson const char *names_to_check[] = { 15109b4ef977SDavid Henningsson "Headset", "headset", "Headphone", "headphone", NULL}; 15119b4ef977SDavid Henningsson const char **s; 1512e0f17c75SPeter Senna Tschudin bool found = false; 15139b4ef977SDavid Henningsson 15149b4ef977SDavid Henningsson if (strcmp("Speaker", kctl->id.name)) 15159b4ef977SDavid Henningsson return; 15169b4ef977SDavid Henningsson 15179b4ef977SDavid Henningsson for (s = names_to_check; *s; s++) 15189b4ef977SDavid Henningsson if (strstr(card->shortname, *s)) { 1519e0f17c75SPeter Senna Tschudin found = true; 15209b4ef977SDavid Henningsson break; 15219b4ef977SDavid Henningsson } 15229b4ef977SDavid Henningsson 15239b4ef977SDavid Henningsson if (!found) 15249b4ef977SDavid Henningsson return; 15259b4ef977SDavid Henningsson 15269b4ef977SDavid Henningsson strlcpy(kctl->id.name, "Headphone", sizeof(kctl->id.name)); 15279b4ef977SDavid Henningsson } 15289b4ef977SDavid Henningsson 1529a01df925STakashi Iwai static const struct usb_feature_control_info *get_feature_control_info(int control) 153021e9b3e9SAndrew Chant { 153121e9b3e9SAndrew Chant int i; 153221e9b3e9SAndrew Chant 153321e9b3e9SAndrew Chant for (i = 0; i < ARRAY_SIZE(audio_feature_info); ++i) { 153421e9b3e9SAndrew Chant if (audio_feature_info[i].control == control) 153521e9b3e9SAndrew Chant return &audio_feature_info[i]; 153621e9b3e9SAndrew Chant } 153721e9b3e9SAndrew Chant return NULL; 153821e9b3e9SAndrew Chant } 153921e9b3e9SAndrew Chant 154017156f23SRuslan Bilovol static void __build_feature_ctl(struct usb_mixer_interface *mixer, 154117156f23SRuslan Bilovol const struct usbmix_name_map *imap, 1542f0b5e634SDaniel Mack unsigned int ctl_mask, int control, 154317156f23SRuslan Bilovol struct usb_audio_term *iterm, 154417156f23SRuslan Bilovol struct usb_audio_term *oterm, 154517156f23SRuslan Bilovol int unitid, int nameid, int readonly_mask) 1546f0b5e634SDaniel Mack { 1547a01df925STakashi Iwai const struct usb_feature_control_info *ctl_info; 1548f0b5e634SDaniel Mack unsigned int len = 0; 1549f0b5e634SDaniel Mack int mapped_name = 0; 1550f0b5e634SDaniel Mack struct snd_kcontrol *kctl; 1551f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval; 1552f0b5e634SDaniel Mack const struct usbmix_name_map *map; 155380acefffSAlexey Fisher unsigned int range; 1554f0b5e634SDaniel Mack 155565f25da4SDaniel Mack if (control == UAC_FU_GRAPHIC_EQUALIZER) { 1556f0b5e634SDaniel Mack /* FIXME: not supported yet */ 1557f0b5e634SDaniel Mack return; 1558f0b5e634SDaniel Mack } 1559f0b5e634SDaniel Mack 156017156f23SRuslan Bilovol map = find_map(imap, unitid, control); 1561f0b5e634SDaniel Mack if (check_ignored_ctl(map)) 1562f0b5e634SDaniel Mack return; 1563f0b5e634SDaniel Mack 1564f0b5e634SDaniel Mack cval = kzalloc(sizeof(*cval), GFP_KERNEL); 1565a860d95fSDaniel Mack if (!cval) 1566f0b5e634SDaniel Mack return; 156717156f23SRuslan Bilovol snd_usb_mixer_elem_init_std(&cval->head, mixer, unitid); 1568f0b5e634SDaniel Mack cval->control = control; 1569f0b5e634SDaniel Mack cval->cmask = ctl_mask; 157021e9b3e9SAndrew Chant 157121e9b3e9SAndrew Chant ctl_info = get_feature_control_info(control); 157262376025SColin Ian King if (!ctl_info) { 157352c3e317STakashi Iwai usb_mixer_elem_info_free(cval); 157421e9b3e9SAndrew Chant return; 157562376025SColin Ian King } 157617156f23SRuslan Bilovol if (mixer->protocol == UAC_VERSION_1) 1577bc18e31cSJulian Scheel cval->val_type = ctl_info->type; 1578bc18e31cSJulian Scheel else /* UAC_VERSION_2 */ 1579bc18e31cSJulian Scheel cval->val_type = ctl_info->type_uac2 >= 0 ? 1580bc18e31cSJulian Scheel ctl_info->type_uac2 : ctl_info->type; 1581bc18e31cSJulian Scheel 1582a6a33259SDaniel Mack if (ctl_mask == 0) { 1583f0b5e634SDaniel Mack cval->channels = 1; /* master channel */ 1584a6a33259SDaniel Mack cval->master_readonly = readonly_mask; 1585a6a33259SDaniel Mack } else { 1586f0b5e634SDaniel Mack int i, c = 0; 1587f0b5e634SDaniel Mack for (i = 0; i < 16; i++) 1588f0b5e634SDaniel Mack if (ctl_mask & (1 << i)) 1589f0b5e634SDaniel Mack c++; 1590f0b5e634SDaniel Mack cval->channels = c; 1591a6a33259SDaniel Mack cval->ch_readonly = readonly_mask; 1592f0b5e634SDaniel Mack } 1593f0b5e634SDaniel Mack 15946bc170e4SDaniel Mack /* 15956bc170e4SDaniel Mack * If all channels in the mask are marked read-only, make the control 1596eef90451SChris J Arges * read-only. snd_usb_set_cur_mix_value() will check the mask again and won't 15976bc170e4SDaniel Mack * issue write commands to read-only channels. 15986bc170e4SDaniel Mack */ 1599a6a33259SDaniel Mack if (cval->channels == readonly_mask) 160023caaf19SDaniel Mack kctl = snd_ctl_new1(&usb_feature_unit_ctl_ro, cval); 160123caaf19SDaniel Mack else 1602f0b5e634SDaniel Mack kctl = snd_ctl_new1(&usb_feature_unit_ctl, cval); 160323caaf19SDaniel Mack 1604f0b5e634SDaniel Mack if (!kctl) { 160517156f23SRuslan Bilovol usb_audio_err(mixer->chip, "cannot malloc kcontrol\n"); 160652c3e317STakashi Iwai usb_mixer_elem_info_free(cval); 1607f0b5e634SDaniel Mack return; 1608f0b5e634SDaniel Mack } 1609eef90451SChris J Arges kctl->private_free = snd_usb_mixer_elem_free; 1610f0b5e634SDaniel Mack 1611f0b5e634SDaniel Mack len = check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name)); 1612f0b5e634SDaniel Mack mapped_name = len != 0; 1613f0b5e634SDaniel Mack if (!len && nameid) 161417156f23SRuslan Bilovol len = snd_usb_copy_string_desc(mixer->chip, nameid, 1615f0b5e634SDaniel Mack kctl->id.name, sizeof(kctl->id.name)); 1616f0b5e634SDaniel Mack 1617f0b5e634SDaniel Mack switch (control) { 161865f25da4SDaniel Mack case UAC_FU_MUTE: 161965f25da4SDaniel Mack case UAC_FU_VOLUME: 16206bc170e4SDaniel Mack /* 16216bc170e4SDaniel Mack * determine the control name. the rule is: 1622f0b5e634SDaniel Mack * - if a name id is given in descriptor, use it. 1623f0b5e634SDaniel Mack * - if the connected input can be determined, then use the name 1624f0b5e634SDaniel Mack * of terminal type. 1625f0b5e634SDaniel Mack * - if the connected output can be determined, use it. 1626f0b5e634SDaniel Mack * - otherwise, anonymous name. 1627f0b5e634SDaniel Mack */ 1628f0b5e634SDaniel Mack if (!len) { 162917156f23SRuslan Bilovol if (iterm) 163017156f23SRuslan Bilovol len = get_term_name(mixer->chip, iterm, 163117156f23SRuslan Bilovol kctl->id.name, 16326bc170e4SDaniel Mack sizeof(kctl->id.name), 1); 163317156f23SRuslan Bilovol if (!len && oterm) 163417156f23SRuslan Bilovol len = get_term_name(mixer->chip, oterm, 16356bc170e4SDaniel Mack kctl->id.name, 16366bc170e4SDaniel Mack sizeof(kctl->id.name), 1); 1637f0b5e634SDaniel Mack if (!len) 163849fd46d2SDaniel Mack snprintf(kctl->id.name, sizeof(kctl->id.name), 1639f0b5e634SDaniel Mack "Feature %d", unitid); 1640f0b5e634SDaniel Mack } 16419b4ef977SDavid Henningsson 16429b4ef977SDavid Henningsson if (!mapped_name) 164317156f23SRuslan Bilovol check_no_speaker_on_headset(kctl, mixer->chip->card); 16449b4ef977SDavid Henningsson 16456bc170e4SDaniel Mack /* 16466bc170e4SDaniel Mack * determine the stream direction: 1647f0b5e634SDaniel Mack * if the connected output is USB stream, then it's likely a 1648f0b5e634SDaniel Mack * capture stream. otherwise it should be playback (hopefully :) 1649f0b5e634SDaniel Mack */ 165017156f23SRuslan Bilovol if (!mapped_name && oterm && !(oterm->type >> 16)) { 165117156f23SRuslan Bilovol if ((oterm->type & 0xff00) == 0x0100) 165249fd46d2SDaniel Mack append_ctl_name(kctl, " Capture"); 16536bc170e4SDaniel Mack else 165449fd46d2SDaniel Mack append_ctl_name(kctl, " Playback"); 1655f0b5e634SDaniel Mack } 165665f25da4SDaniel Mack append_ctl_name(kctl, control == UAC_FU_MUTE ? 1657f0b5e634SDaniel Mack " Switch" : " Volume"); 1658e182534dSTakashi Iwai break; 1659e182534dSTakashi Iwai default: 1660e182534dSTakashi Iwai if (!len) 1661e182534dSTakashi Iwai strlcpy(kctl->id.name, audio_feature_info[control-1].name, 1662e182534dSTakashi Iwai sizeof(kctl->id.name)); 1663e182534dSTakashi Iwai break; 1664e182534dSTakashi Iwai } 1665e182534dSTakashi Iwai 1666e182534dSTakashi Iwai /* get min/max values */ 1667e182534dSTakashi Iwai get_min_max_with_quirks(cval, 0, kctl); 1668e182534dSTakashi Iwai 166965f25da4SDaniel Mack if (control == UAC_FU_VOLUME) { 167059bb7f0eSTakashi Iwai check_mapped_dB(map, cval); 167138b65190STakashi Iwai if (cval->dBmin < cval->dBmax || !cval->initialized) { 1672285de9c0SFelix Homann kctl->tlv.c = snd_usb_mixer_vol_tlv; 1673f0b5e634SDaniel Mack kctl->vd[0].access |= 1674f0b5e634SDaniel Mack SNDRV_CTL_ELEM_ACCESS_TLV_READ | 1675f0b5e634SDaniel Mack SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK; 167659bb7f0eSTakashi Iwai } 1677f0b5e634SDaniel Mack } 1678f0b5e634SDaniel Mack 167917156f23SRuslan Bilovol snd_usb_mixer_fu_apply_quirk(mixer, cval, unitid, kctl); 168042e3121dSAnssi Hannula 168180acefffSAlexey Fisher range = (cval->max - cval->min) / cval->res; 16826bc170e4SDaniel Mack /* 16836bc170e4SDaniel Mack * Are there devices with volume range more than 255? I use a bit more 168480acefffSAlexey Fisher * to be sure. 384 is a resolution magic number found on Logitech 168580acefffSAlexey Fisher * devices. It will definitively catch all buggy Logitech devices. 168680acefffSAlexey Fisher */ 168780acefffSAlexey Fisher if (range > 384) { 168817156f23SRuslan Bilovol usb_audio_warn(mixer->chip, 168982c1cf0aSMichał Mirosław "Warning! Unlikely big volume range (=%u), cval->res is probably wrong.", 169080acefffSAlexey Fisher range); 169117156f23SRuslan Bilovol usb_audio_warn(mixer->chip, 169282c1cf0aSMichał Mirosław "[%d] FU [%s] ch = %d, val = %d/%d/%d", 16933360b84bSTakashi Iwai cval->head.id, kctl->id.name, cval->channels, 169480acefffSAlexey Fisher cval->min, cval->max, cval->res); 169580acefffSAlexey Fisher } 169680acefffSAlexey Fisher 169717156f23SRuslan Bilovol usb_audio_dbg(mixer->chip, "[%d] FU [%s] ch = %d, val = %d/%d/%d\n", 16983360b84bSTakashi Iwai cval->head.id, kctl->id.name, cval->channels, 16996bc170e4SDaniel Mack cval->min, cval->max, cval->res); 17003360b84bSTakashi Iwai snd_usb_mixer_add_control(&cval->head, kctl); 1701f0b5e634SDaniel Mack } 1702f0b5e634SDaniel Mack 170317156f23SRuslan Bilovol static void build_feature_ctl(struct mixer_build *state, void *raw_desc, 170417156f23SRuslan Bilovol unsigned int ctl_mask, int control, 170517156f23SRuslan Bilovol struct usb_audio_term *iterm, int unitid, 170617156f23SRuslan Bilovol int readonly_mask) 170717156f23SRuslan Bilovol { 170817156f23SRuslan Bilovol struct uac_feature_unit_descriptor *desc = raw_desc; 170917156f23SRuslan Bilovol int nameid = uac_feature_unit_iFeature(desc); 171017156f23SRuslan Bilovol 171117156f23SRuslan Bilovol __build_feature_ctl(state->mixer, state->map, ctl_mask, control, 171217156f23SRuslan Bilovol iterm, &state->oterm, unitid, nameid, readonly_mask); 171317156f23SRuslan Bilovol } 171417156f23SRuslan Bilovol 171517156f23SRuslan Bilovol static void build_feature_ctl_badd(struct usb_mixer_interface *mixer, 171617156f23SRuslan Bilovol unsigned int ctl_mask, int control, int unitid, 171717156f23SRuslan Bilovol const struct usbmix_name_map *badd_map) 171817156f23SRuslan Bilovol { 171917156f23SRuslan Bilovol __build_feature_ctl(mixer, badd_map, ctl_mask, control, 172017156f23SRuslan Bilovol NULL, NULL, unitid, 0, 0); 172117156f23SRuslan Bilovol } 172217156f23SRuslan Bilovol 1723167e1fb1SJorge Sanjuan static void get_connector_control_name(struct usb_mixer_interface *mixer, 17245a222e84SAndrew Chant struct usb_audio_term *term, 17255a222e84SAndrew Chant bool is_input, char *name, int name_size) 17265a222e84SAndrew Chant { 1727167e1fb1SJorge Sanjuan int name_len = get_term_name(mixer->chip, term, name, name_size, 0); 17285a222e84SAndrew Chant 17295a222e84SAndrew Chant if (name_len == 0) 17305a222e84SAndrew Chant strlcpy(name, "Unknown", name_size); 17315a222e84SAndrew Chant 17325a222e84SAndrew Chant /* 17335a222e84SAndrew Chant * sound/core/ctljack.c has a convention of naming jack controls 17345a222e84SAndrew Chant * by ending in " Jack". Make it slightly more useful by 17355a222e84SAndrew Chant * indicating Input or Output after the terminal name. 17365a222e84SAndrew Chant */ 17375a222e84SAndrew Chant if (is_input) 17385a222e84SAndrew Chant strlcat(name, " - Input Jack", name_size); 17395a222e84SAndrew Chant else 17405a222e84SAndrew Chant strlcat(name, " - Output Jack", name_size); 17415a222e84SAndrew Chant } 17425a222e84SAndrew Chant 17435a222e84SAndrew Chant /* Build a mixer control for a UAC connector control (jack-detect) */ 1744167e1fb1SJorge Sanjuan static void build_connector_control(struct usb_mixer_interface *mixer, 17455a222e84SAndrew Chant struct usb_audio_term *term, bool is_input) 17465a222e84SAndrew Chant { 17475a222e84SAndrew Chant struct snd_kcontrol *kctl; 17485a222e84SAndrew Chant struct usb_mixer_elem_info *cval; 17495a222e84SAndrew Chant 17505a222e84SAndrew Chant cval = kzalloc(sizeof(*cval), GFP_KERNEL); 17515a222e84SAndrew Chant if (!cval) 17525a222e84SAndrew Chant return; 1753167e1fb1SJorge Sanjuan snd_usb_mixer_elem_init_std(&cval->head, mixer, term->id); 1754568fa7e0SAndrew Chant /* 17551d38f5d8SJorge Sanjuan * UAC2: The first byte from reading the UAC2_TE_CONNECTOR control returns the 17561d38f5d8SJorge Sanjuan * number of channels connected. 17571d38f5d8SJorge Sanjuan * 17581d38f5d8SJorge Sanjuan * UAC3: The first byte specifies size of bitmap for the inserted controls. The 17591d38f5d8SJorge Sanjuan * following byte(s) specifies which connectors are inserted. 17601d38f5d8SJorge Sanjuan * 17611d38f5d8SJorge Sanjuan * This boolean ctl will simply report if any channels are connected 17621d38f5d8SJorge Sanjuan * or not. 1763568fa7e0SAndrew Chant */ 1764167e1fb1SJorge Sanjuan if (mixer->protocol == UAC_VERSION_2) 17655a222e84SAndrew Chant cval->control = UAC2_TE_CONNECTOR; 17661d38f5d8SJorge Sanjuan else /* UAC_VERSION_3 */ 17671d38f5d8SJorge Sanjuan cval->control = UAC3_TE_INSERTION; 17681d38f5d8SJorge Sanjuan 17695a222e84SAndrew Chant cval->val_type = USB_MIXER_BOOLEAN; 17705a222e84SAndrew Chant cval->channels = 1; /* report true if any channel is connected */ 17715a222e84SAndrew Chant cval->min = 0; 17725a222e84SAndrew Chant cval->max = 1; 17731d38f5d8SJorge Sanjuan kctl = snd_ctl_new1(&usb_connector_ctl_ro, cval); 17745a222e84SAndrew Chant if (!kctl) { 1775167e1fb1SJorge Sanjuan usb_audio_err(mixer->chip, "cannot malloc kcontrol\n"); 177652c3e317STakashi Iwai usb_mixer_elem_info_free(cval); 17775a222e84SAndrew Chant return; 17785a222e84SAndrew Chant } 1779167e1fb1SJorge Sanjuan get_connector_control_name(mixer, term, is_input, kctl->id.name, 17805a222e84SAndrew Chant sizeof(kctl->id.name)); 17815a222e84SAndrew Chant kctl->private_free = snd_usb_mixer_elem_free; 17825a222e84SAndrew Chant snd_usb_mixer_add_control(&cval->head, kctl); 17835a222e84SAndrew Chant } 17845a222e84SAndrew Chant 1785cddaafb9SDaniel Mack static int parse_clock_source_unit(struct mixer_build *state, int unitid, 1786cddaafb9SDaniel Mack void *_ftr) 1787cddaafb9SDaniel Mack { 1788cddaafb9SDaniel Mack struct uac_clock_source_descriptor *hdr = _ftr; 1789cddaafb9SDaniel Mack struct usb_mixer_elem_info *cval; 1790cddaafb9SDaniel Mack struct snd_kcontrol *kctl; 1791cddaafb9SDaniel Mack char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 1792cddaafb9SDaniel Mack int ret; 1793cddaafb9SDaniel Mack 1794cddaafb9SDaniel Mack if (state->mixer->protocol != UAC_VERSION_2) 1795cddaafb9SDaniel Mack return -EINVAL; 1796cddaafb9SDaniel Mack 1797cddaafb9SDaniel Mack /* 1798cddaafb9SDaniel Mack * The only property of this unit we are interested in is the 1799cddaafb9SDaniel Mack * clock source validity. If that isn't readable, just bail out. 1800cddaafb9SDaniel Mack */ 18019a2fe9b8SRuslan Bilovol if (!uac_v2v3_control_is_readable(hdr->bmControls, 180221e9b3e9SAndrew Chant UAC2_CS_CONTROL_CLOCK_VALID)) 1803cddaafb9SDaniel Mack return 0; 1804cddaafb9SDaniel Mack 1805cddaafb9SDaniel Mack cval = kzalloc(sizeof(*cval), GFP_KERNEL); 1806cddaafb9SDaniel Mack if (!cval) 1807cddaafb9SDaniel Mack return -ENOMEM; 1808cddaafb9SDaniel Mack 1809cddaafb9SDaniel Mack snd_usb_mixer_elem_init_std(&cval->head, state->mixer, hdr->bClockID); 1810cddaafb9SDaniel Mack 1811cddaafb9SDaniel Mack cval->min = 0; 1812cddaafb9SDaniel Mack cval->max = 1; 1813cddaafb9SDaniel Mack cval->channels = 1; 1814cddaafb9SDaniel Mack cval->val_type = USB_MIXER_BOOLEAN; 1815cddaafb9SDaniel Mack cval->control = UAC2_CS_CONTROL_CLOCK_VALID; 1816cddaafb9SDaniel Mack 1817cddaafb9SDaniel Mack cval->master_readonly = 1; 1818568fa7e0SAndrew Chant /* From UAC2 5.2.5.1.2 "Only the get request is supported." */ 1819568fa7e0SAndrew Chant kctl = snd_ctl_new1(&usb_bool_master_control_ctl_ro, cval); 1820cddaafb9SDaniel Mack 1821cddaafb9SDaniel Mack if (!kctl) { 182252c3e317STakashi Iwai usb_mixer_elem_info_free(cval); 1823cddaafb9SDaniel Mack return -ENOMEM; 1824cddaafb9SDaniel Mack } 1825cddaafb9SDaniel Mack 1826cddaafb9SDaniel Mack kctl->private_free = snd_usb_mixer_elem_free; 1827eccfc1b8SRuslan Bilovol ret = snd_usb_copy_string_desc(state->chip, hdr->iClockSource, 1828cddaafb9SDaniel Mack name, sizeof(name)); 1829cddaafb9SDaniel Mack if (ret > 0) 1830cddaafb9SDaniel Mack snprintf(kctl->id.name, sizeof(kctl->id.name), 1831cddaafb9SDaniel Mack "%s Validity", name); 1832cddaafb9SDaniel Mack else 1833cddaafb9SDaniel Mack snprintf(kctl->id.name, sizeof(kctl->id.name), 1834cddaafb9SDaniel Mack "Clock Source %d Validity", hdr->bClockID); 1835cddaafb9SDaniel Mack 1836cddaafb9SDaniel Mack return snd_usb_mixer_add_control(&cval->head, kctl); 1837cddaafb9SDaniel Mack } 1838cddaafb9SDaniel Mack 1839f0b5e634SDaniel Mack /* 1840f0b5e634SDaniel Mack * parse a feature unit 1841f0b5e634SDaniel Mack * 184225985edcSLucas De Marchi * most of controls are defined here. 1843f0b5e634SDaniel Mack */ 18446bc170e4SDaniel Mack static int parse_audio_feature_unit(struct mixer_build *state, int unitid, 18456bc170e4SDaniel Mack void *_ftr) 1846f0b5e634SDaniel Mack { 1847f0b5e634SDaniel Mack int channels, i, j; 1848f0b5e634SDaniel Mack struct usb_audio_term iterm; 184936c346e1SYueHaibing unsigned int master_bits; 1850f0b5e634SDaniel Mack int err, csize; 185123caaf19SDaniel Mack struct uac_feature_unit_descriptor *hdr = _ftr; 185223caaf19SDaniel Mack __u8 *bmaControls; 1853f0b5e634SDaniel Mack 185423caaf19SDaniel Mack if (state->mixer->protocol == UAC_VERSION_1) { 185523caaf19SDaniel Mack csize = hdr->bControlSize; 185623caaf19SDaniel Mack channels = (hdr->bLength - 7) / csize - 1; 185723caaf19SDaniel Mack bmaControls = hdr->bmaControls; 18589a2fe9b8SRuslan Bilovol } else if (state->mixer->protocol == UAC_VERSION_2) { 185923caaf19SDaniel Mack struct uac2_feature_unit_descriptor *ftr = _ftr; 186023caaf19SDaniel Mack csize = 4; 1861e8d0fee7SDaniel Mack channels = (hdr->bLength - 6) / 4 - 1; 186223caaf19SDaniel Mack bmaControls = ftr->bmaControls; 18639a2fe9b8SRuslan Bilovol } else { /* UAC_VERSION_3 */ 18649a2fe9b8SRuslan Bilovol struct uac3_feature_unit_descriptor *ftr = _ftr; 18659a2fe9b8SRuslan Bilovol 18669a2fe9b8SRuslan Bilovol csize = 4; 18679a2fe9b8SRuslan Bilovol channels = (ftr->bLength - 7) / 4 - 1; 18689a2fe9b8SRuslan Bilovol bmaControls = ftr->bmaControls; 1869d56268fbSClemens Ladisch } 1870f0b5e634SDaniel Mack 1871f0b5e634SDaniel Mack /* parse the source unit */ 1872f25ecf8fSTakashi Iwai err = parse_audio_unit(state, hdr->bSourceID); 1873f25ecf8fSTakashi Iwai if (err < 0) 1874f0b5e634SDaniel Mack return err; 1875f0b5e634SDaniel Mack 1876f0b5e634SDaniel Mack /* determine the input source type and name */ 18774d7b86c9SDaniel Mack err = check_input_term(state, hdr->bSourceID, &iterm); 18784d7b86c9SDaniel Mack if (err < 0) 18794d7b86c9SDaniel Mack return err; 1880f0b5e634SDaniel Mack 188123caaf19SDaniel Mack master_bits = snd_usb_combine_bytes(bmaControls, csize); 1882f0b5e634SDaniel Mack /* master configuration quirks */ 1883f0b5e634SDaniel Mack switch (state->chip->usb_id) { 1884f0b5e634SDaniel Mack case USB_ID(0x08bb, 0x2702): 18850ba41d91STakashi Iwai usb_audio_info(state->chip, 1886f0b5e634SDaniel Mack "usbmixer: master volume quirk for PCM2702 chip\n"); 1887f0b5e634SDaniel Mack /* disable non-functional volume control */ 188865f25da4SDaniel Mack master_bits &= ~UAC_CONTROL_BIT(UAC_FU_VOLUME); 1889f0b5e634SDaniel Mack break; 1890c1051439SDavid Henningsson case USB_ID(0x1130, 0xf211): 18910ba41d91STakashi Iwai usb_audio_info(state->chip, 1892c1051439SDavid Henningsson "usbmixer: volume control quirk for Tenx TP6911 Audio Headset\n"); 1893c1051439SDavid Henningsson /* disable non-functional volume control */ 1894c1051439SDavid Henningsson channels = 0; 1895c1051439SDavid Henningsson break; 1896c1051439SDavid Henningsson 1897f0b5e634SDaniel Mack } 189823caaf19SDaniel Mack 189923caaf19SDaniel Mack if (state->mixer->protocol == UAC_VERSION_1) { 1900f0b5e634SDaniel Mack /* check all control types */ 1901f0b5e634SDaniel Mack for (i = 0; i < 10; i++) { 1902f0b5e634SDaniel Mack unsigned int ch_bits = 0; 190321e9b3e9SAndrew Chant int control = audio_feature_info[i].control; 190421e9b3e9SAndrew Chant 1905f0b5e634SDaniel Mack for (j = 0; j < channels; j++) { 19066bc170e4SDaniel Mack unsigned int mask; 19076bc170e4SDaniel Mack 19086bc170e4SDaniel Mack mask = snd_usb_combine_bytes(bmaControls + 19096bc170e4SDaniel Mack csize * (j+1), csize); 1910f0b5e634SDaniel Mack if (mask & (1 << i)) 1911f0b5e634SDaniel Mack ch_bits |= (1 << j); 1912f0b5e634SDaniel Mack } 191323caaf19SDaniel Mack /* audio class v1 controls are never read-only */ 19146bc170e4SDaniel Mack 19156bc170e4SDaniel Mack /* 19166bc170e4SDaniel Mack * The first channel must be set 19176bc170e4SDaniel Mack * (for ease of programming). 19186bc170e4SDaniel Mack */ 19196bc170e4SDaniel Mack if (ch_bits & 1) 192021e9b3e9SAndrew Chant build_feature_ctl(state, _ftr, ch_bits, control, 19216bc170e4SDaniel Mack &iterm, unitid, 0); 1922f0b5e634SDaniel Mack if (master_bits & (1 << i)) 192321e9b3e9SAndrew Chant build_feature_ctl(state, _ftr, 0, control, 192421e9b3e9SAndrew Chant &iterm, unitid, 0); 192523caaf19SDaniel Mack } 19269a2fe9b8SRuslan Bilovol } else { /* UAC_VERSION_2/3 */ 1927d09c06c6STakashi Iwai for (i = 0; i < ARRAY_SIZE(audio_feature_info); i++) { 192823caaf19SDaniel Mack unsigned int ch_bits = 0; 192923caaf19SDaniel Mack unsigned int ch_read_only = 0; 193021e9b3e9SAndrew Chant int control = audio_feature_info[i].control; 193123caaf19SDaniel Mack 193223caaf19SDaniel Mack for (j = 0; j < channels; j++) { 19336bc170e4SDaniel Mack unsigned int mask; 19346bc170e4SDaniel Mack 19356bc170e4SDaniel Mack mask = snd_usb_combine_bytes(bmaControls + 19366bc170e4SDaniel Mack csize * (j+1), csize); 193721e9b3e9SAndrew Chant if (uac_v2v3_control_is_readable(mask, control)) { 193823caaf19SDaniel Mack ch_bits |= (1 << j); 193921e9b3e9SAndrew Chant if (!uac_v2v3_control_is_writeable(mask, control)) 194023caaf19SDaniel Mack ch_read_only |= (1 << j); 194123caaf19SDaniel Mack } 194223caaf19SDaniel Mack } 194323caaf19SDaniel Mack 19446bc170e4SDaniel Mack /* 19456bc170e4SDaniel Mack * NOTE: build_feature_ctl() will mark the control 19466bc170e4SDaniel Mack * read-only if all channels are marked read-only in 19476bc170e4SDaniel Mack * the descriptors. Otherwise, the control will be 19486bc170e4SDaniel Mack * reported as writeable, but the driver will not 19496bc170e4SDaniel Mack * actually issue a write command for read-only 19506bc170e4SDaniel Mack * channels. 19516bc170e4SDaniel Mack */ 19526bc170e4SDaniel Mack 19536bc170e4SDaniel Mack /* 19546bc170e4SDaniel Mack * The first channel must be set 19556bc170e4SDaniel Mack * (for ease of programming). 19566bc170e4SDaniel Mack */ 19576bc170e4SDaniel Mack if (ch_bits & 1) 195821e9b3e9SAndrew Chant build_feature_ctl(state, _ftr, ch_bits, control, 19596bc170e4SDaniel Mack &iterm, unitid, ch_read_only); 196021e9b3e9SAndrew Chant if (uac_v2v3_control_is_readable(master_bits, control)) 19612de841efSTakashi Iwai build_feature_ctl(state, _ftr, 0, control, 19622de841efSTakashi Iwai &iterm, unitid, 196321e9b3e9SAndrew Chant !uac_v2v3_control_is_writeable(master_bits, 196421e9b3e9SAndrew Chant control)); 196523caaf19SDaniel Mack } 1966f0b5e634SDaniel Mack } 1967f0b5e634SDaniel Mack 1968f0b5e634SDaniel Mack return 0; 1969f0b5e634SDaniel Mack } 1970f0b5e634SDaniel Mack 1971f0b5e634SDaniel Mack /* 1972f0b5e634SDaniel Mack * Mixer Unit 1973f0b5e634SDaniel Mack */ 1974f0b5e634SDaniel Mack 1975f9f0e9edSTakashi Iwai /* check whether the given in/out overflows bmMixerControls matrix */ 1976f9f0e9edSTakashi Iwai static bool mixer_bitmap_overflow(struct uac_mixer_unit_descriptor *desc, 1977f9f0e9edSTakashi Iwai int protocol, int num_ins, int num_outs) 1978f9f0e9edSTakashi Iwai { 1979f9f0e9edSTakashi Iwai u8 *hdr = (u8 *)desc; 1980f9f0e9edSTakashi Iwai u8 *c = uac_mixer_unit_bmControls(desc, protocol); 1981f9f0e9edSTakashi Iwai size_t rest; /* remaining bytes after bmMixerControls */ 1982f9f0e9edSTakashi Iwai 1983f9f0e9edSTakashi Iwai switch (protocol) { 1984f9f0e9edSTakashi Iwai case UAC_VERSION_1: 1985f9f0e9edSTakashi Iwai default: 1986f9f0e9edSTakashi Iwai rest = 1; /* iMixer */ 1987f9f0e9edSTakashi Iwai break; 1988f9f0e9edSTakashi Iwai case UAC_VERSION_2: 1989f9f0e9edSTakashi Iwai rest = 2; /* bmControls + iMixer */ 1990f9f0e9edSTakashi Iwai break; 1991f9f0e9edSTakashi Iwai case UAC_VERSION_3: 1992f9f0e9edSTakashi Iwai rest = 6; /* bmControls + wMixerDescrStr */ 1993f9f0e9edSTakashi Iwai break; 1994f9f0e9edSTakashi Iwai } 1995f9f0e9edSTakashi Iwai 1996f9f0e9edSTakashi Iwai /* overflow? */ 1997f9f0e9edSTakashi Iwai return c + (num_ins * num_outs + 7) / 8 + rest > hdr + hdr[0]; 1998f9f0e9edSTakashi Iwai } 1999f9f0e9edSTakashi Iwai 2000f0b5e634SDaniel Mack /* 2001f0b5e634SDaniel Mack * build a mixer unit control 2002f0b5e634SDaniel Mack * 2003f0b5e634SDaniel Mack * the callbacks are identical with feature unit. 2004f0b5e634SDaniel Mack * input channel number (zero based) is given in control field instead. 2005f0b5e634SDaniel Mack */ 200699fc8645SDaniel Mack static void build_mixer_unit_ctl(struct mixer_build *state, 200799fc8645SDaniel Mack struct uac_mixer_unit_descriptor *desc, 20086cfd839aSJorge Sanjuan int in_pin, int in_ch, int num_outs, 20096cfd839aSJorge Sanjuan int unitid, struct usb_audio_term *iterm) 2010f0b5e634SDaniel Mack { 2011f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval; 2012f0b5e634SDaniel Mack unsigned int i, len; 2013f0b5e634SDaniel Mack struct snd_kcontrol *kctl; 2014f0b5e634SDaniel Mack const struct usbmix_name_map *map; 2015f0b5e634SDaniel Mack 201617156f23SRuslan Bilovol map = find_map(state->map, unitid, 0); 2017f0b5e634SDaniel Mack if (check_ignored_ctl(map)) 2018f0b5e634SDaniel Mack return; 2019f0b5e634SDaniel Mack 2020f0b5e634SDaniel Mack cval = kzalloc(sizeof(*cval), GFP_KERNEL); 2021f0b5e634SDaniel Mack if (!cval) 2022f0b5e634SDaniel Mack return; 2023f0b5e634SDaniel Mack 20243360b84bSTakashi Iwai snd_usb_mixer_elem_init_std(&cval->head, state->mixer, unitid); 2025f0b5e634SDaniel Mack cval->control = in_ch + 1; /* based on 1 */ 2026f0b5e634SDaniel Mack cval->val_type = USB_MIXER_S16; 2027f0b5e634SDaniel Mack for (i = 0; i < num_outs; i++) { 20286bc170e4SDaniel Mack __u8 *c = uac_mixer_unit_bmControls(desc, state->mixer->protocol); 20296bc170e4SDaniel Mack 20306bc170e4SDaniel Mack if (check_matrix_bitmap(c, in_ch, i, num_outs)) { 2031f0b5e634SDaniel Mack cval->cmask |= (1 << i); 2032f0b5e634SDaniel Mack cval->channels++; 2033f0b5e634SDaniel Mack } 2034f0b5e634SDaniel Mack } 2035f0b5e634SDaniel Mack 2036f0b5e634SDaniel Mack /* get min/max values */ 2037f0b5e634SDaniel Mack get_min_max(cval, 0); 2038f0b5e634SDaniel Mack 2039f0b5e634SDaniel Mack kctl = snd_ctl_new1(&usb_feature_unit_ctl, cval); 2040f0b5e634SDaniel Mack if (!kctl) { 20410ba41d91STakashi Iwai usb_audio_err(state->chip, "cannot malloc kcontrol\n"); 204252c3e317STakashi Iwai usb_mixer_elem_info_free(cval); 2043f0b5e634SDaniel Mack return; 2044f0b5e634SDaniel Mack } 2045eef90451SChris J Arges kctl->private_free = snd_usb_mixer_elem_free; 2046f0b5e634SDaniel Mack 2047f0b5e634SDaniel Mack len = check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name)); 2048f0b5e634SDaniel Mack if (!len) 2049eccfc1b8SRuslan Bilovol len = get_term_name(state->chip, iterm, kctl->id.name, 20506bc170e4SDaniel Mack sizeof(kctl->id.name), 0); 2051f0b5e634SDaniel Mack if (!len) 2052f0b5e634SDaniel Mack len = sprintf(kctl->id.name, "Mixer Source %d", in_ch + 1); 2053f0b5e634SDaniel Mack append_ctl_name(kctl, " Volume"); 2054f0b5e634SDaniel Mack 20550ba41d91STakashi Iwai usb_audio_dbg(state->chip, "[%d] MU [%s] ch = %d, val = %d/%d\n", 20563360b84bSTakashi Iwai cval->head.id, kctl->id.name, cval->channels, cval->min, cval->max); 20573360b84bSTakashi Iwai snd_usb_mixer_add_control(&cval->head, kctl); 2058f0b5e634SDaniel Mack } 2059f0b5e634SDaniel Mack 20605a222e84SAndrew Chant static int parse_audio_input_terminal(struct mixer_build *state, int unitid, 20615a222e84SAndrew Chant void *raw_desc) 20625a222e84SAndrew Chant { 20635a222e84SAndrew Chant struct usb_audio_term iterm; 20641d38f5d8SJorge Sanjuan unsigned int control, bmctls, term_id; 20655a222e84SAndrew Chant 20665a222e84SAndrew Chant if (state->mixer->protocol == UAC_VERSION_2) { 20671d38f5d8SJorge Sanjuan struct uac2_input_terminal_descriptor *d_v2 = raw_desc; 20681d38f5d8SJorge Sanjuan control = UAC2_TE_CONNECTOR; 20691d38f5d8SJorge Sanjuan term_id = d_v2->bTerminalID; 20701d38f5d8SJorge Sanjuan bmctls = le16_to_cpu(d_v2->bmControls); 20711d38f5d8SJorge Sanjuan } else if (state->mixer->protocol == UAC_VERSION_3) { 20721d38f5d8SJorge Sanjuan struct uac3_input_terminal_descriptor *d_v3 = raw_desc; 20731d38f5d8SJorge Sanjuan control = UAC3_TE_INSERTION; 20741d38f5d8SJorge Sanjuan term_id = d_v3->bTerminalID; 20751d38f5d8SJorge Sanjuan bmctls = le32_to_cpu(d_v3->bmControls); 20761d38f5d8SJorge Sanjuan } else { 20771d38f5d8SJorge Sanjuan return 0; /* UAC1. No Insertion control */ 20781d38f5d8SJorge Sanjuan } 20791d38f5d8SJorge Sanjuan 20801d38f5d8SJorge Sanjuan check_input_term(state, term_id, &iterm); 20811d38f5d8SJorge Sanjuan 20825a222e84SAndrew Chant /* Check for jack detection. */ 20831d38f5d8SJorge Sanjuan if (uac_v2v3_control_is_readable(bmctls, control)) 2084167e1fb1SJorge Sanjuan build_connector_control(state->mixer, &iterm, true); 20851d38f5d8SJorge Sanjuan 20865a222e84SAndrew Chant return 0; 20875a222e84SAndrew Chant } 20885a222e84SAndrew Chant 2089f0b5e634SDaniel Mack /* 2090f0b5e634SDaniel Mack * parse a mixer unit 2091f0b5e634SDaniel Mack */ 20926bc170e4SDaniel Mack static int parse_audio_mixer_unit(struct mixer_build *state, int unitid, 20936bc170e4SDaniel Mack void *raw_desc) 2094f0b5e634SDaniel Mack { 209599fc8645SDaniel Mack struct uac_mixer_unit_descriptor *desc = raw_desc; 2096f0b5e634SDaniel Mack struct usb_audio_term iterm; 2097f0b5e634SDaniel Mack int input_pins, num_ins, num_outs; 2098f0b5e634SDaniel Mack int pin, ich, err; 2099f0b5e634SDaniel Mack 21006cfd839aSJorge Sanjuan err = uac_mixer_unit_get_channels(state, desc); 21016cfd839aSJorge Sanjuan if (err < 0) { 21026bc170e4SDaniel Mack usb_audio_err(state->chip, 21036bc170e4SDaniel Mack "invalid MIXER UNIT descriptor %d\n", 21046bc170e4SDaniel Mack unitid); 21056cfd839aSJorge Sanjuan return err; 2106f0b5e634SDaniel Mack } 2107f0b5e634SDaniel Mack 21086cfd839aSJorge Sanjuan num_outs = err; 21096cfd839aSJorge Sanjuan input_pins = desc->bNrInPins; 21106cfd839aSJorge Sanjuan 2111f0b5e634SDaniel Mack num_ins = 0; 2112f0b5e634SDaniel Mack ich = 0; 2113f0b5e634SDaniel Mack for (pin = 0; pin < input_pins; pin++) { 211499fc8645SDaniel Mack err = parse_audio_unit(state, desc->baSourceID[pin]); 2115f0b5e634SDaniel Mack if (err < 0) 2116284a8dd6SMark Hills continue; 2117ea114fc2SClemens Ladisch /* no bmControls field (e.g. Maya44) -> ignore */ 21180bfe5e43STakashi Iwai if (!num_outs) 2119ea114fc2SClemens Ladisch continue; 212099fc8645SDaniel Mack err = check_input_term(state, desc->baSourceID[pin], &iterm); 2121f0b5e634SDaniel Mack if (err < 0) 2122f0b5e634SDaniel Mack return err; 2123f0b5e634SDaniel Mack num_ins += iterm.channels; 2124f9f0e9edSTakashi Iwai if (mixer_bitmap_overflow(desc, state->mixer->protocol, 2125f9f0e9edSTakashi Iwai num_ins, num_outs)) 2126f9f0e9edSTakashi Iwai break; 21276bc170e4SDaniel Mack for (; ich < num_ins; ich++) { 2128f0b5e634SDaniel Mack int och, ich_has_controls = 0; 2129f0b5e634SDaniel Mack 21306bc170e4SDaniel Mack for (och = 0; och < num_outs; och++) { 21316bc170e4SDaniel Mack __u8 *c = uac_mixer_unit_bmControls(desc, 21326bc170e4SDaniel Mack state->mixer->protocol); 21336bc170e4SDaniel Mack 21346bc170e4SDaniel Mack if (check_matrix_bitmap(c, ich, och, num_outs)) { 2135f0b5e634SDaniel Mack ich_has_controls = 1; 2136f0b5e634SDaniel Mack break; 2137f0b5e634SDaniel Mack } 2138f0b5e634SDaniel Mack } 2139f0b5e634SDaniel Mack if (ich_has_controls) 21406cfd839aSJorge Sanjuan build_mixer_unit_ctl(state, desc, pin, ich, num_outs, 2141f0b5e634SDaniel Mack unitid, &iterm); 2142f0b5e634SDaniel Mack } 2143f0b5e634SDaniel Mack } 2144f0b5e634SDaniel Mack return 0; 2145f0b5e634SDaniel Mack } 2146f0b5e634SDaniel Mack 2147f0b5e634SDaniel Mack /* 2148f0b5e634SDaniel Mack * Processing Unit / Extension Unit 2149f0b5e634SDaniel Mack */ 2150f0b5e634SDaniel Mack 2151f0b5e634SDaniel Mack /* get callback for processing/extension unit */ 21526bc170e4SDaniel Mack static int mixer_ctl_procunit_get(struct snd_kcontrol *kcontrol, 21536bc170e4SDaniel Mack struct snd_ctl_elem_value *ucontrol) 2154f0b5e634SDaniel Mack { 2155f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval = kcontrol->private_data; 2156f0b5e634SDaniel Mack int err, val; 2157f0b5e634SDaniel Mack 2158f0b5e634SDaniel Mack err = get_cur_ctl_value(cval, cval->control << 8, &val); 21595aeee342STakashi Iwai if (err < 0) { 2160f0b5e634SDaniel Mack ucontrol->value.integer.value[0] = cval->min; 21615aeee342STakashi Iwai return filter_error(cval, err); 2162f0b5e634SDaniel Mack } 2163f0b5e634SDaniel Mack val = get_relative_value(cval, val); 2164f0b5e634SDaniel Mack ucontrol->value.integer.value[0] = val; 2165f0b5e634SDaniel Mack return 0; 2166f0b5e634SDaniel Mack } 2167f0b5e634SDaniel Mack 2168f0b5e634SDaniel Mack /* put callback for processing/extension unit */ 21696bc170e4SDaniel Mack static int mixer_ctl_procunit_put(struct snd_kcontrol *kcontrol, 21706bc170e4SDaniel Mack struct snd_ctl_elem_value *ucontrol) 2171f0b5e634SDaniel Mack { 2172f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval = kcontrol->private_data; 2173f0b5e634SDaniel Mack int val, oval, err; 2174f0b5e634SDaniel Mack 2175f0b5e634SDaniel Mack err = get_cur_ctl_value(cval, cval->control << 8, &oval); 21765aeee342STakashi Iwai if (err < 0) 21775aeee342STakashi Iwai return filter_error(cval, err); 2178f0b5e634SDaniel Mack val = ucontrol->value.integer.value[0]; 2179f0b5e634SDaniel Mack val = get_abs_value(cval, val); 2180f0b5e634SDaniel Mack if (val != oval) { 2181f0b5e634SDaniel Mack set_cur_ctl_value(cval, cval->control << 8, val); 2182f0b5e634SDaniel Mack return 1; 2183f0b5e634SDaniel Mack } 2184f0b5e634SDaniel Mack return 0; 2185f0b5e634SDaniel Mack } 2186f0b5e634SDaniel Mack 2187f0b5e634SDaniel Mack /* alsa control interface for processing/extension unit */ 21888fdaebbbSBhumika Goyal static const struct snd_kcontrol_new mixer_procunit_ctl = { 2189f0b5e634SDaniel Mack .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 2190f0b5e634SDaniel Mack .name = "", /* will be filled later */ 2191f0b5e634SDaniel Mack .info = mixer_ctl_feature_info, 2192f0b5e634SDaniel Mack .get = mixer_ctl_procunit_get, 2193f0b5e634SDaniel Mack .put = mixer_ctl_procunit_put, 2194f0b5e634SDaniel Mack }; 2195f0b5e634SDaniel Mack 2196f0b5e634SDaniel Mack /* 2197f0b5e634SDaniel Mack * predefined data for processing units 2198f0b5e634SDaniel Mack */ 2199f0b5e634SDaniel Mack struct procunit_value_info { 2200f0b5e634SDaniel Mack int control; 2201a01df925STakashi Iwai const char *suffix; 2202f0b5e634SDaniel Mack int val_type; 2203f0b5e634SDaniel Mack int min_value; 2204f0b5e634SDaniel Mack }; 2205f0b5e634SDaniel Mack 2206f0b5e634SDaniel Mack struct procunit_info { 2207f0b5e634SDaniel Mack int type; 2208f0b5e634SDaniel Mack char *name; 2209a01df925STakashi Iwai const struct procunit_value_info *values; 2210f0b5e634SDaniel Mack }; 2211f0b5e634SDaniel Mack 2212a01df925STakashi Iwai static const struct procunit_value_info undefined_proc_info[] = { 22130f292f02SJorge Sanjuan { 0x00, "Control Undefined", 0 }, 22140f292f02SJorge Sanjuan { 0 } 22150f292f02SJorge Sanjuan }; 22160f292f02SJorge Sanjuan 2217a01df925STakashi Iwai static const struct procunit_value_info updown_proc_info[] = { 221865f25da4SDaniel Mack { UAC_UD_ENABLE, "Switch", USB_MIXER_BOOLEAN }, 221965f25da4SDaniel Mack { UAC_UD_MODE_SELECT, "Mode Select", USB_MIXER_U8, 1 }, 2220f0b5e634SDaniel Mack { 0 } 2221f0b5e634SDaniel Mack }; 2222a01df925STakashi Iwai static const struct procunit_value_info prologic_proc_info[] = { 222365f25da4SDaniel Mack { UAC_DP_ENABLE, "Switch", USB_MIXER_BOOLEAN }, 222465f25da4SDaniel Mack { UAC_DP_MODE_SELECT, "Mode Select", USB_MIXER_U8, 1 }, 2225f0b5e634SDaniel Mack { 0 } 2226f0b5e634SDaniel Mack }; 2227a01df925STakashi Iwai static const struct procunit_value_info threed_enh_proc_info[] = { 222865f25da4SDaniel Mack { UAC_3D_ENABLE, "Switch", USB_MIXER_BOOLEAN }, 222965f25da4SDaniel Mack { UAC_3D_SPACE, "Spaciousness", USB_MIXER_U8 }, 2230f0b5e634SDaniel Mack { 0 } 2231f0b5e634SDaniel Mack }; 2232a01df925STakashi Iwai static const struct procunit_value_info reverb_proc_info[] = { 223365f25da4SDaniel Mack { UAC_REVERB_ENABLE, "Switch", USB_MIXER_BOOLEAN }, 223465f25da4SDaniel Mack { UAC_REVERB_LEVEL, "Level", USB_MIXER_U8 }, 223565f25da4SDaniel Mack { UAC_REVERB_TIME, "Time", USB_MIXER_U16 }, 223665f25da4SDaniel Mack { UAC_REVERB_FEEDBACK, "Feedback", USB_MIXER_U8 }, 2237f0b5e634SDaniel Mack { 0 } 2238f0b5e634SDaniel Mack }; 2239a01df925STakashi Iwai static const struct procunit_value_info chorus_proc_info[] = { 224065f25da4SDaniel Mack { UAC_CHORUS_ENABLE, "Switch", USB_MIXER_BOOLEAN }, 224165f25da4SDaniel Mack { UAC_CHORUS_LEVEL, "Level", USB_MIXER_U8 }, 224265f25da4SDaniel Mack { UAC_CHORUS_RATE, "Rate", USB_MIXER_U16 }, 224365f25da4SDaniel Mack { UAC_CHORUS_DEPTH, "Depth", USB_MIXER_U16 }, 2244f0b5e634SDaniel Mack { 0 } 2245f0b5e634SDaniel Mack }; 2246a01df925STakashi Iwai static const struct procunit_value_info dcr_proc_info[] = { 224765f25da4SDaniel Mack { UAC_DCR_ENABLE, "Switch", USB_MIXER_BOOLEAN }, 224865f25da4SDaniel Mack { UAC_DCR_RATE, "Ratio", USB_MIXER_U16 }, 224965f25da4SDaniel Mack { UAC_DCR_MAXAMPL, "Max Amp", USB_MIXER_S16 }, 225065f25da4SDaniel Mack { UAC_DCR_THRESHOLD, "Threshold", USB_MIXER_S16 }, 225165f25da4SDaniel Mack { UAC_DCR_ATTACK_TIME, "Attack Time", USB_MIXER_U16 }, 225265f25da4SDaniel Mack { UAC_DCR_RELEASE_TIME, "Release Time", USB_MIXER_U16 }, 2253f0b5e634SDaniel Mack { 0 } 2254f0b5e634SDaniel Mack }; 2255f0b5e634SDaniel Mack 2256a01df925STakashi Iwai static const struct procunit_info procunits[] = { 225765f25da4SDaniel Mack { UAC_PROCESS_UP_DOWNMIX, "Up Down", updown_proc_info }, 225865f25da4SDaniel Mack { UAC_PROCESS_DOLBY_PROLOGIC, "Dolby Prologic", prologic_proc_info }, 225965f25da4SDaniel Mack { UAC_PROCESS_STEREO_EXTENDER, "3D Stereo Extender", threed_enh_proc_info }, 226065f25da4SDaniel Mack { UAC_PROCESS_REVERB, "Reverb", reverb_proc_info }, 226165f25da4SDaniel Mack { UAC_PROCESS_CHORUS, "Chorus", chorus_proc_info }, 226265f25da4SDaniel Mack { UAC_PROCESS_DYN_RANGE_COMP, "DCR", dcr_proc_info }, 2263f0b5e634SDaniel Mack { 0 }, 2264f0b5e634SDaniel Mack }; 22650f292f02SJorge Sanjuan 2266a01df925STakashi Iwai static const struct procunit_value_info uac3_updown_proc_info[] = { 22670f292f02SJorge Sanjuan { UAC3_UD_MODE_SELECT, "Mode Select", USB_MIXER_U8, 1 }, 22680f292f02SJorge Sanjuan { 0 } 22690f292f02SJorge Sanjuan }; 2270a01df925STakashi Iwai static const struct procunit_value_info uac3_stereo_ext_proc_info[] = { 22710f292f02SJorge Sanjuan { UAC3_EXT_WIDTH_CONTROL, "Width Control", USB_MIXER_U8 }, 22720f292f02SJorge Sanjuan { 0 } 22730f292f02SJorge Sanjuan }; 22740f292f02SJorge Sanjuan 2275a01df925STakashi Iwai static const struct procunit_info uac3_procunits[] = { 22760f292f02SJorge Sanjuan { UAC3_PROCESS_UP_DOWNMIX, "Up Down", uac3_updown_proc_info }, 22770f292f02SJorge Sanjuan { UAC3_PROCESS_STEREO_EXTENDER, "3D Stereo Extender", uac3_stereo_ext_proc_info }, 22780f292f02SJorge Sanjuan { UAC3_PROCESS_MULTI_FUNCTION, "Multi-Function", undefined_proc_info }, 22790f292f02SJorge Sanjuan { 0 }, 22800f292f02SJorge Sanjuan }; 22810f292f02SJorge Sanjuan 2282f0b5e634SDaniel Mack /* 2283f0b5e634SDaniel Mack * predefined data for extension units 2284f0b5e634SDaniel Mack */ 2285a01df925STakashi Iwai static const struct procunit_value_info clock_rate_xu_info[] = { 2286f0b5e634SDaniel Mack { USB_XU_CLOCK_RATE_SELECTOR, "Selector", USB_MIXER_U8, 0 }, 2287f0b5e634SDaniel Mack { 0 } 2288f0b5e634SDaniel Mack }; 2289a01df925STakashi Iwai static const struct procunit_value_info clock_source_xu_info[] = { 2290f0b5e634SDaniel Mack { USB_XU_CLOCK_SOURCE_SELECTOR, "External", USB_MIXER_BOOLEAN }, 2291f0b5e634SDaniel Mack { 0 } 2292f0b5e634SDaniel Mack }; 2293a01df925STakashi Iwai static const struct procunit_value_info spdif_format_xu_info[] = { 2294f0b5e634SDaniel Mack { USB_XU_DIGITAL_FORMAT_SELECTOR, "SPDIF/AC3", USB_MIXER_BOOLEAN }, 2295f0b5e634SDaniel Mack { 0 } 2296f0b5e634SDaniel Mack }; 2297a01df925STakashi Iwai static const struct procunit_value_info soft_limit_xu_info[] = { 2298f0b5e634SDaniel Mack { USB_XU_SOFT_LIMIT_SELECTOR, " ", USB_MIXER_BOOLEAN }, 2299f0b5e634SDaniel Mack { 0 } 2300f0b5e634SDaniel Mack }; 2301a01df925STakashi Iwai static const struct procunit_info extunits[] = { 2302f0b5e634SDaniel Mack { USB_XU_CLOCK_RATE, "Clock rate", clock_rate_xu_info }, 2303f0b5e634SDaniel Mack { USB_XU_CLOCK_SOURCE, "DigitalIn CLK source", clock_source_xu_info }, 2304f0b5e634SDaniel Mack { USB_XU_DIGITAL_IO_STATUS, "DigitalOut format:", spdif_format_xu_info }, 2305f0b5e634SDaniel Mack { USB_XU_DEVICE_OPTIONS, "AnalogueIn Soft Limit", soft_limit_xu_info }, 2306f0b5e634SDaniel Mack { 0 } 2307f0b5e634SDaniel Mack }; 23086bc170e4SDaniel Mack 2309f0b5e634SDaniel Mack /* 2310f0b5e634SDaniel Mack * build a processing/extension unit 2311f0b5e634SDaniel Mack */ 23126bc170e4SDaniel Mack static int build_audio_procunit(struct mixer_build *state, int unitid, 2313a01df925STakashi Iwai void *raw_desc, const struct procunit_info *list, 2314ca95c7bfSTakashi Iwai bool extension_unit) 2315f0b5e634SDaniel Mack { 231699fc8645SDaniel Mack struct uac_processing_unit_descriptor *desc = raw_desc; 2317f4351a19STakashi Iwai int num_ins; 2318f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval; 2319f0b5e634SDaniel Mack struct snd_kcontrol *kctl; 2320f0b5e634SDaniel Mack int i, err, nameid, type, len; 2321a01df925STakashi Iwai const struct procunit_info *info; 2322a01df925STakashi Iwai const struct procunit_value_info *valinfo; 2323f0b5e634SDaniel Mack const struct usbmix_name_map *map; 2324a01df925STakashi Iwai static const struct procunit_value_info default_value_info[] = { 2325f0b5e634SDaniel Mack { 0x01, "Switch", USB_MIXER_BOOLEAN }, 2326f0b5e634SDaniel Mack { 0 } 2327f0b5e634SDaniel Mack }; 2328a01df925STakashi Iwai static const struct procunit_info default_info = { 2329f0b5e634SDaniel Mack 0, NULL, default_value_info 2330f0b5e634SDaniel Mack }; 2331ca95c7bfSTakashi Iwai const char *name = extension_unit ? 2332ca95c7bfSTakashi Iwai "Extension Unit" : "Processing Unit"; 2333f0b5e634SDaniel Mack 2334f4351a19STakashi Iwai num_ins = desc->bNrInPins; 2335f0b5e634SDaniel Mack for (i = 0; i < num_ins; i++) { 2336f25ecf8fSTakashi Iwai err = parse_audio_unit(state, desc->baSourceID[i]); 2337f25ecf8fSTakashi Iwai if (err < 0) 2338f0b5e634SDaniel Mack return err; 2339f0b5e634SDaniel Mack } 2340f0b5e634SDaniel Mack 234199fc8645SDaniel Mack type = le16_to_cpu(desc->wProcessType); 2342f0b5e634SDaniel Mack for (info = list; info && info->type; info++) 2343f0b5e634SDaniel Mack if (info->type == type) 2344f0b5e634SDaniel Mack break; 2345f0b5e634SDaniel Mack if (!info || !info->type) 2346f0b5e634SDaniel Mack info = &default_info; 2347f0b5e634SDaniel Mack 2348f0b5e634SDaniel Mack for (valinfo = info->values; valinfo->control; valinfo++) { 234923caaf19SDaniel Mack __u8 *controls = uac_processing_unit_bmControls(desc, state->mixer->protocol); 235099fc8645SDaniel Mack 23514e887af3SJorge Sanjuan if (state->mixer->protocol == UAC_VERSION_1) { 23524e887af3SJorge Sanjuan if (!(controls[valinfo->control / 8] & 23534e887af3SJorge Sanjuan (1 << ((valinfo->control % 8) - 1)))) 2354f0b5e634SDaniel Mack continue; 23554e887af3SJorge Sanjuan } else { /* UAC_VERSION_2/3 */ 23564e887af3SJorge Sanjuan if (!uac_v2v3_control_is_readable(controls[valinfo->control / 8], 23574e887af3SJorge Sanjuan valinfo->control)) 23584e887af3SJorge Sanjuan continue; 23594e887af3SJorge Sanjuan } 23604e887af3SJorge Sanjuan 236117156f23SRuslan Bilovol map = find_map(state->map, unitid, valinfo->control); 2362f0b5e634SDaniel Mack if (check_ignored_ctl(map)) 2363f0b5e634SDaniel Mack continue; 2364f0b5e634SDaniel Mack cval = kzalloc(sizeof(*cval), GFP_KERNEL); 2365a860d95fSDaniel Mack if (!cval) 2366f0b5e634SDaniel Mack return -ENOMEM; 23673360b84bSTakashi Iwai snd_usb_mixer_elem_init_std(&cval->head, state->mixer, unitid); 2368f0b5e634SDaniel Mack cval->control = valinfo->control; 2369f0b5e634SDaniel Mack cval->val_type = valinfo->val_type; 2370f0b5e634SDaniel Mack cval->channels = 1; 2371f0b5e634SDaniel Mack 23724e887af3SJorge Sanjuan if (state->mixer->protocol > UAC_VERSION_1 && 23734e887af3SJorge Sanjuan !uac_v2v3_control_is_writeable(controls[valinfo->control / 8], 23744e887af3SJorge Sanjuan valinfo->control)) 23754e887af3SJorge Sanjuan cval->master_readonly = 1; 23764e887af3SJorge Sanjuan 2377f0b5e634SDaniel Mack /* get min/max values */ 237855b8cb46SJorge Sanjuan switch (type) { 237955b8cb46SJorge Sanjuan case UAC_PROCESS_UP_DOWNMIX: { 238055b8cb46SJorge Sanjuan bool mode_sel = false; 238155b8cb46SJorge Sanjuan 238255b8cb46SJorge Sanjuan switch (state->mixer->protocol) { 238355b8cb46SJorge Sanjuan case UAC_VERSION_1: 238455b8cb46SJorge Sanjuan case UAC_VERSION_2: 238555b8cb46SJorge Sanjuan default: 238655b8cb46SJorge Sanjuan if (cval->control == UAC_UD_MODE_SELECT) 238755b8cb46SJorge Sanjuan mode_sel = true; 238855b8cb46SJorge Sanjuan break; 238955b8cb46SJorge Sanjuan case UAC_VERSION_3: 239055b8cb46SJorge Sanjuan if (cval->control == UAC3_UD_MODE_SELECT) 239155b8cb46SJorge Sanjuan mode_sel = true; 239255b8cb46SJorge Sanjuan break; 239355b8cb46SJorge Sanjuan } 239455b8cb46SJorge Sanjuan 239555b8cb46SJorge Sanjuan if (mode_sel) { 239655b8cb46SJorge Sanjuan __u8 *control_spec = uac_processing_unit_specific(desc, 239755b8cb46SJorge Sanjuan state->mixer->protocol); 2398f0b5e634SDaniel Mack cval->min = 1; 239999fc8645SDaniel Mack cval->max = control_spec[0]; 2400f0b5e634SDaniel Mack cval->res = 1; 2401f0b5e634SDaniel Mack cval->initialized = 1; 240255b8cb46SJorge Sanjuan break; 240355b8cb46SJorge Sanjuan } 240455b8cb46SJorge Sanjuan 240555b8cb46SJorge Sanjuan get_min_max(cval, valinfo->min_value); 240655b8cb46SJorge Sanjuan break; 240755b8cb46SJorge Sanjuan } 240855b8cb46SJorge Sanjuan case USB_XU_CLOCK_RATE: 24096bc170e4SDaniel Mack /* 24106bc170e4SDaniel Mack * E-Mu USB 0404/0202/TrackerPre/0204 2411f0b5e634SDaniel Mack * samplerate control quirk 2412f0b5e634SDaniel Mack */ 2413f0b5e634SDaniel Mack cval->min = 0; 2414f0b5e634SDaniel Mack cval->max = 5; 2415f0b5e634SDaniel Mack cval->res = 1; 2416f0b5e634SDaniel Mack cval->initialized = 1; 241755b8cb46SJorge Sanjuan break; 241855b8cb46SJorge Sanjuan default: 2419f0b5e634SDaniel Mack get_min_max(cval, valinfo->min_value); 242055b8cb46SJorge Sanjuan break; 2421f0b5e634SDaniel Mack } 2422f0b5e634SDaniel Mack 2423f0b5e634SDaniel Mack kctl = snd_ctl_new1(&mixer_procunit_ctl, cval); 2424f0b5e634SDaniel Mack if (!kctl) { 242552c3e317STakashi Iwai usb_mixer_elem_info_free(cval); 2426f0b5e634SDaniel Mack return -ENOMEM; 2427f0b5e634SDaniel Mack } 2428eef90451SChris J Arges kctl->private_free = snd_usb_mixer_elem_free; 2429f0b5e634SDaniel Mack 24306bc170e4SDaniel Mack if (check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name))) { 2431f0b5e634SDaniel Mack /* nothing */ ; 24326bc170e4SDaniel Mack } else if (info->name) { 2433f0b5e634SDaniel Mack strlcpy(kctl->id.name, info->name, sizeof(kctl->id.name)); 24346bc170e4SDaniel Mack } else { 2435ca95c7bfSTakashi Iwai if (extension_unit) 2436ca95c7bfSTakashi Iwai nameid = uac_extension_unit_iExtension(desc, state->mixer->protocol); 2437ca95c7bfSTakashi Iwai else 243823caaf19SDaniel Mack nameid = uac_processing_unit_iProcessing(desc, state->mixer->protocol); 2439f0b5e634SDaniel Mack len = 0; 2440f0b5e634SDaniel Mack if (nameid) 2441eccfc1b8SRuslan Bilovol len = snd_usb_copy_string_desc(state->chip, 2442eccfc1b8SRuslan Bilovol nameid, 24436bc170e4SDaniel Mack kctl->id.name, 24446bc170e4SDaniel Mack sizeof(kctl->id.name)); 2445f0b5e634SDaniel Mack if (!len) 2446f0b5e634SDaniel Mack strlcpy(kctl->id.name, name, sizeof(kctl->id.name)); 2447f0b5e634SDaniel Mack } 2448f0b5e634SDaniel Mack append_ctl_name(kctl, " "); 2449f0b5e634SDaniel Mack append_ctl_name(kctl, valinfo->suffix); 2450f0b5e634SDaniel Mack 24510ba41d91STakashi Iwai usb_audio_dbg(state->chip, 24520ba41d91STakashi Iwai "[%d] PU [%s] ch = %d, val = %d/%d\n", 24533360b84bSTakashi Iwai cval->head.id, kctl->id.name, cval->channels, 24546bc170e4SDaniel Mack cval->min, cval->max); 24556bc170e4SDaniel Mack 24563360b84bSTakashi Iwai err = snd_usb_mixer_add_control(&cval->head, kctl); 24576bc170e4SDaniel Mack if (err < 0) 2458f0b5e634SDaniel Mack return err; 2459f0b5e634SDaniel Mack } 2460f0b5e634SDaniel Mack return 0; 2461f0b5e634SDaniel Mack } 2462f0b5e634SDaniel Mack 24636bc170e4SDaniel Mack static int parse_audio_processing_unit(struct mixer_build *state, int unitid, 24646bc170e4SDaniel Mack void *raw_desc) 2465f0b5e634SDaniel Mack { 24660f292f02SJorge Sanjuan switch (state->mixer->protocol) { 24670f292f02SJorge Sanjuan case UAC_VERSION_1: 24680f292f02SJorge Sanjuan case UAC_VERSION_2: 24690f292f02SJorge Sanjuan default: 24706bc170e4SDaniel Mack return build_audio_procunit(state, unitid, raw_desc, 2471ca95c7bfSTakashi Iwai procunits, false); 24720f292f02SJorge Sanjuan case UAC_VERSION_3: 24730f292f02SJorge Sanjuan return build_audio_procunit(state, unitid, raw_desc, 2474ca95c7bfSTakashi Iwai uac3_procunits, false); 24750f292f02SJorge Sanjuan } 2476f0b5e634SDaniel Mack } 2477f0b5e634SDaniel Mack 24786bc170e4SDaniel Mack static int parse_audio_extension_unit(struct mixer_build *state, int unitid, 24796bc170e4SDaniel Mack void *raw_desc) 2480f0b5e634SDaniel Mack { 24816bc170e4SDaniel Mack /* 24826bc170e4SDaniel Mack * Note that we parse extension units with processing unit descriptors. 24836bc170e4SDaniel Mack * That's ok as the layout is the same. 24846bc170e4SDaniel Mack */ 2485ca95c7bfSTakashi Iwai return build_audio_procunit(state, unitid, raw_desc, extunits, true); 2486f0b5e634SDaniel Mack } 2487f0b5e634SDaniel Mack 2488f0b5e634SDaniel Mack /* 2489f0b5e634SDaniel Mack * Selector Unit 2490f0b5e634SDaniel Mack */ 2491f0b5e634SDaniel Mack 24926bc170e4SDaniel Mack /* 24936bc170e4SDaniel Mack * info callback for selector unit 2494f0b5e634SDaniel Mack * use an enumerator type for routing 2495f0b5e634SDaniel Mack */ 24966bc170e4SDaniel Mack static int mixer_ctl_selector_info(struct snd_kcontrol *kcontrol, 24976bc170e4SDaniel Mack struct snd_ctl_elem_info *uinfo) 2498f0b5e634SDaniel Mack { 2499f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval = kcontrol->private_data; 25002a1803a7SClemens Ladisch const char **itemlist = (const char **)kcontrol->private_value; 2501f0b5e634SDaniel Mack 2502f0b5e634SDaniel Mack if (snd_BUG_ON(!itemlist)) 2503f0b5e634SDaniel Mack return -EINVAL; 25042a1803a7SClemens Ladisch return snd_ctl_enum_info(uinfo, 1, cval->max, itemlist); 2505f0b5e634SDaniel Mack } 2506f0b5e634SDaniel Mack 2507f0b5e634SDaniel Mack /* get callback for selector unit */ 25086bc170e4SDaniel Mack static int mixer_ctl_selector_get(struct snd_kcontrol *kcontrol, 25096bc170e4SDaniel Mack struct snd_ctl_elem_value *ucontrol) 2510f0b5e634SDaniel Mack { 2511f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval = kcontrol->private_data; 2512f0b5e634SDaniel Mack int val, err; 2513f0b5e634SDaniel Mack 251409414207SDaniel Mack err = get_cur_ctl_value(cval, cval->control << 8, &val); 2515f0b5e634SDaniel Mack if (err < 0) { 2516f0b5e634SDaniel Mack ucontrol->value.enumerated.item[0] = 0; 25175aeee342STakashi Iwai return filter_error(cval, err); 2518f0b5e634SDaniel Mack } 2519f0b5e634SDaniel Mack val = get_relative_value(cval, val); 2520f0b5e634SDaniel Mack ucontrol->value.enumerated.item[0] = val; 2521f0b5e634SDaniel Mack return 0; 2522f0b5e634SDaniel Mack } 2523f0b5e634SDaniel Mack 2524f0b5e634SDaniel Mack /* put callback for selector unit */ 25256bc170e4SDaniel Mack static int mixer_ctl_selector_put(struct snd_kcontrol *kcontrol, 25266bc170e4SDaniel Mack struct snd_ctl_elem_value *ucontrol) 2527f0b5e634SDaniel Mack { 2528f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval = kcontrol->private_data; 2529f0b5e634SDaniel Mack int val, oval, err; 2530f0b5e634SDaniel Mack 253109414207SDaniel Mack err = get_cur_ctl_value(cval, cval->control << 8, &oval); 25325aeee342STakashi Iwai if (err < 0) 25335aeee342STakashi Iwai return filter_error(cval, err); 2534f0b5e634SDaniel Mack val = ucontrol->value.enumerated.item[0]; 2535f0b5e634SDaniel Mack val = get_abs_value(cval, val); 2536f0b5e634SDaniel Mack if (val != oval) { 253709414207SDaniel Mack set_cur_ctl_value(cval, cval->control << 8, val); 2538f0b5e634SDaniel Mack return 1; 2539f0b5e634SDaniel Mack } 2540f0b5e634SDaniel Mack return 0; 2541f0b5e634SDaniel Mack } 2542f0b5e634SDaniel Mack 2543f0b5e634SDaniel Mack /* alsa control interface for selector unit */ 25448fdaebbbSBhumika Goyal static const struct snd_kcontrol_new mixer_selectunit_ctl = { 2545f0b5e634SDaniel Mack .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 2546f0b5e634SDaniel Mack .name = "", /* will be filled later */ 2547f0b5e634SDaniel Mack .info = mixer_ctl_selector_info, 2548f0b5e634SDaniel Mack .get = mixer_ctl_selector_get, 2549f0b5e634SDaniel Mack .put = mixer_ctl_selector_put, 2550f0b5e634SDaniel Mack }; 2551f0b5e634SDaniel Mack 25526bc170e4SDaniel Mack /* 25536bc170e4SDaniel Mack * private free callback. 2554f0b5e634SDaniel Mack * free both private_data and private_value 2555f0b5e634SDaniel Mack */ 2556f0b5e634SDaniel Mack static void usb_mixer_selector_elem_free(struct snd_kcontrol *kctl) 2557f0b5e634SDaniel Mack { 2558f0b5e634SDaniel Mack int i, num_ins = 0; 2559f0b5e634SDaniel Mack 2560f0b5e634SDaniel Mack if (kctl->private_data) { 2561f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval = kctl->private_data; 2562f0b5e634SDaniel Mack num_ins = cval->max; 256352c3e317STakashi Iwai usb_mixer_elem_info_free(cval); 2564f0b5e634SDaniel Mack kctl->private_data = NULL; 2565f0b5e634SDaniel Mack } 2566f0b5e634SDaniel Mack if (kctl->private_value) { 2567f0b5e634SDaniel Mack char **itemlist = (char **)kctl->private_value; 2568f0b5e634SDaniel Mack for (i = 0; i < num_ins; i++) 2569f0b5e634SDaniel Mack kfree(itemlist[i]); 2570f0b5e634SDaniel Mack kfree(itemlist); 2571f0b5e634SDaniel Mack kctl->private_value = 0; 2572f0b5e634SDaniel Mack } 2573f0b5e634SDaniel Mack } 2574f0b5e634SDaniel Mack 2575f0b5e634SDaniel Mack /* 2576f0b5e634SDaniel Mack * parse a selector unit 2577f0b5e634SDaniel Mack */ 25786bc170e4SDaniel Mack static int parse_audio_selector_unit(struct mixer_build *state, int unitid, 25796bc170e4SDaniel Mack void *raw_desc) 2580f0b5e634SDaniel Mack { 258199fc8645SDaniel Mack struct uac_selector_unit_descriptor *desc = raw_desc; 2582f0b5e634SDaniel Mack unsigned int i, nameid, len; 2583f0b5e634SDaniel Mack int err; 2584f0b5e634SDaniel Mack struct usb_mixer_elem_info *cval; 2585f0b5e634SDaniel Mack struct snd_kcontrol *kctl; 2586f0b5e634SDaniel Mack const struct usbmix_name_map *map; 2587f0b5e634SDaniel Mack char **namelist; 2588f0b5e634SDaniel Mack 258999fc8645SDaniel Mack for (i = 0; i < desc->bNrInPins; i++) { 2590f25ecf8fSTakashi Iwai err = parse_audio_unit(state, desc->baSourceID[i]); 2591f25ecf8fSTakashi Iwai if (err < 0) 2592f0b5e634SDaniel Mack return err; 2593f0b5e634SDaniel Mack } 2594f0b5e634SDaniel Mack 259599fc8645SDaniel Mack if (desc->bNrInPins == 1) /* only one ? nonsense! */ 2596f0b5e634SDaniel Mack return 0; 2597f0b5e634SDaniel Mack 259817156f23SRuslan Bilovol map = find_map(state->map, unitid, 0); 2599f0b5e634SDaniel Mack if (check_ignored_ctl(map)) 2600f0b5e634SDaniel Mack return 0; 2601f0b5e634SDaniel Mack 2602f0b5e634SDaniel Mack cval = kzalloc(sizeof(*cval), GFP_KERNEL); 2603a860d95fSDaniel Mack if (!cval) 2604f0b5e634SDaniel Mack return -ENOMEM; 26053360b84bSTakashi Iwai snd_usb_mixer_elem_init_std(&cval->head, state->mixer, unitid); 2606f0b5e634SDaniel Mack cval->val_type = USB_MIXER_U8; 2607f0b5e634SDaniel Mack cval->channels = 1; 2608f0b5e634SDaniel Mack cval->min = 1; 260999fc8645SDaniel Mack cval->max = desc->bNrInPins; 2610f0b5e634SDaniel Mack cval->res = 1; 2611f0b5e634SDaniel Mack cval->initialized = 1; 2612f0b5e634SDaniel Mack 2613c77e1ef1SJorge Sanjuan switch (state->mixer->protocol) { 2614c77e1ef1SJorge Sanjuan case UAC_VERSION_1: 2615c77e1ef1SJorge Sanjuan default: 261609414207SDaniel Mack cval->control = 0; 2617c77e1ef1SJorge Sanjuan break; 2618c77e1ef1SJorge Sanjuan case UAC_VERSION_2: 2619c77e1ef1SJorge Sanjuan case UAC_VERSION_3: 2620c77e1ef1SJorge Sanjuan if (desc->bDescriptorSubtype == UAC2_CLOCK_SELECTOR || 2621c77e1ef1SJorge Sanjuan desc->bDescriptorSubtype == UAC3_CLOCK_SELECTOR) 2622c77e1ef1SJorge Sanjuan cval->control = UAC2_CX_CLOCK_SELECTOR; 2623c77e1ef1SJorge Sanjuan else /* UAC2/3_SELECTOR_UNIT */ 2624c77e1ef1SJorge Sanjuan cval->control = UAC2_SU_SELECTOR; 2625c77e1ef1SJorge Sanjuan break; 2626c77e1ef1SJorge Sanjuan } 262709414207SDaniel Mack 262852c3e317STakashi Iwai namelist = kcalloc(desc->bNrInPins, sizeof(char *), GFP_KERNEL); 2629f0b5e634SDaniel Mack if (!namelist) { 263052c3e317STakashi Iwai err = -ENOMEM; 263152c3e317STakashi Iwai goto error_cval; 2632f0b5e634SDaniel Mack } 2633f0b5e634SDaniel Mack #define MAX_ITEM_NAME_LEN 64 263499fc8645SDaniel Mack for (i = 0; i < desc->bNrInPins; i++) { 2635f0b5e634SDaniel Mack struct usb_audio_term iterm; 2636f0b5e634SDaniel Mack len = 0; 2637f0b5e634SDaniel Mack namelist[i] = kmalloc(MAX_ITEM_NAME_LEN, GFP_KERNEL); 2638f0b5e634SDaniel Mack if (!namelist[i]) { 263952c3e317STakashi Iwai err = -ENOMEM; 264052c3e317STakashi Iwai goto error_name; 2641f0b5e634SDaniel Mack } 2642f0b5e634SDaniel Mack len = check_mapped_selector_name(state, unitid, i, namelist[i], 2643f0b5e634SDaniel Mack MAX_ITEM_NAME_LEN); 264499fc8645SDaniel Mack if (! len && check_input_term(state, desc->baSourceID[i], &iterm) >= 0) 2645eccfc1b8SRuslan Bilovol len = get_term_name(state->chip, &iterm, namelist[i], 2646eccfc1b8SRuslan Bilovol MAX_ITEM_NAME_LEN, 0); 2647f0b5e634SDaniel Mack if (! len) 2648af831eefSMasanari Iida sprintf(namelist[i], "Input %u", i); 2649f0b5e634SDaniel Mack } 2650f0b5e634SDaniel Mack 2651f0b5e634SDaniel Mack kctl = snd_ctl_new1(&mixer_selectunit_ctl, cval); 2652f0b5e634SDaniel Mack if (! kctl) { 26530ba41d91STakashi Iwai usb_audio_err(state->chip, "cannot malloc kcontrol\n"); 265452c3e317STakashi Iwai err = -ENOMEM; 265552c3e317STakashi Iwai goto error_name; 2656f0b5e634SDaniel Mack } 2657f0b5e634SDaniel Mack kctl->private_value = (unsigned long)namelist; 2658f0b5e634SDaniel Mack kctl->private_free = usb_mixer_selector_elem_free; 2659f0b5e634SDaniel Mack 26605a15f289STakashi Iwai /* check the static mapping table at first */ 2661f0b5e634SDaniel Mack len = check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name)); 26625a15f289STakashi Iwai if (!len) { 26635a15f289STakashi Iwai /* no mapping ? */ 2664c77e1ef1SJorge Sanjuan switch (state->mixer->protocol) { 2665c77e1ef1SJorge Sanjuan case UAC_VERSION_1: 2666c77e1ef1SJorge Sanjuan case UAC_VERSION_2: 2667c77e1ef1SJorge Sanjuan default: 26685a15f289STakashi Iwai /* if iSelector is given, use it */ 26695a15f289STakashi Iwai nameid = uac_selector_unit_iSelector(desc); 26705a15f289STakashi Iwai if (nameid) 2671c77e1ef1SJorge Sanjuan len = snd_usb_copy_string_desc(state->chip, 2672c77e1ef1SJorge Sanjuan nameid, kctl->id.name, 26736bc170e4SDaniel Mack sizeof(kctl->id.name)); 2674c77e1ef1SJorge Sanjuan break; 2675c77e1ef1SJorge Sanjuan case UAC_VERSION_3: 2676c77e1ef1SJorge Sanjuan /* TODO: Class-Specific strings not yet supported */ 2677c77e1ef1SJorge Sanjuan break; 2678c77e1ef1SJorge Sanjuan } 2679c77e1ef1SJorge Sanjuan 26805a15f289STakashi Iwai /* ... or pick up the terminal name at next */ 26815a15f289STakashi Iwai if (!len) 2682eccfc1b8SRuslan Bilovol len = get_term_name(state->chip, &state->oterm, 2683f0b5e634SDaniel Mack kctl->id.name, sizeof(kctl->id.name), 0); 26845a15f289STakashi Iwai /* ... or use the fixed string "USB" as the last resort */ 2685f0b5e634SDaniel Mack if (!len) 2686f0b5e634SDaniel Mack strlcpy(kctl->id.name, "USB", sizeof(kctl->id.name)); 2687f0b5e634SDaniel Mack 26885a15f289STakashi Iwai /* and add the proper suffix */ 2689c77e1ef1SJorge Sanjuan if (desc->bDescriptorSubtype == UAC2_CLOCK_SELECTOR || 2690c77e1ef1SJorge Sanjuan desc->bDescriptorSubtype == UAC3_CLOCK_SELECTOR) 269109414207SDaniel Mack append_ctl_name(kctl, " Clock Source"); 269209414207SDaniel Mack else if ((state->oterm.type & 0xff00) == 0x0100) 2693f0b5e634SDaniel Mack append_ctl_name(kctl, " Capture Source"); 2694f0b5e634SDaniel Mack else 2695f0b5e634SDaniel Mack append_ctl_name(kctl, " Playback Source"); 2696f0b5e634SDaniel Mack } 2697f0b5e634SDaniel Mack 26980ba41d91STakashi Iwai usb_audio_dbg(state->chip, "[%d] SU [%s] items = %d\n", 26993360b84bSTakashi Iwai cval->head.id, kctl->id.name, desc->bNrInPins); 27003360b84bSTakashi Iwai return snd_usb_mixer_add_control(&cval->head, kctl); 270152c3e317STakashi Iwai 270252c3e317STakashi Iwai error_name: 270352c3e317STakashi Iwai for (i = 0; i < desc->bNrInPins; i++) 270452c3e317STakashi Iwai kfree(namelist[i]); 270552c3e317STakashi Iwai kfree(namelist); 270652c3e317STakashi Iwai error_cval: 270752c3e317STakashi Iwai usb_mixer_elem_info_free(cval); 270852c3e317STakashi Iwai return err; 2709f0b5e634SDaniel Mack } 2710f0b5e634SDaniel Mack 2711f0b5e634SDaniel Mack /* 2712f0b5e634SDaniel Mack * parse an audio unit recursively 2713f0b5e634SDaniel Mack */ 2714f0b5e634SDaniel Mack 2715f0b5e634SDaniel Mack static int parse_audio_unit(struct mixer_build *state, int unitid) 2716f0b5e634SDaniel Mack { 2717f0b5e634SDaniel Mack unsigned char *p1; 27189a2fe9b8SRuslan Bilovol int protocol = state->mixer->protocol; 2719f0b5e634SDaniel Mack 2720f0b5e634SDaniel Mack if (test_and_set_bit(unitid, state->unitbitmap)) 2721f0b5e634SDaniel Mack return 0; /* the unit already visited */ 2722f0b5e634SDaniel Mack 2723f0b5e634SDaniel Mack p1 = find_audio_control_unit(state, unitid); 2724f0b5e634SDaniel Mack if (!p1) { 27250ba41d91STakashi Iwai usb_audio_err(state->chip, "unit %d not found!\n", unitid); 2726f0b5e634SDaniel Mack return -EINVAL; 2727f0b5e634SDaniel Mack } 2728f0b5e634SDaniel Mack 272957f87706STakashi Iwai if (!snd_usb_validate_audio_desc(p1, protocol)) { 273057f87706STakashi Iwai usb_audio_dbg(state->chip, "invalid unit %d\n", unitid); 273157f87706STakashi Iwai return 0; /* skip invalid unit */ 273257f87706STakashi Iwai } 273357f87706STakashi Iwai 273468e9fde2STakashi Iwai switch (PTYPE(protocol, p1[2])) { 273568e9fde2STakashi Iwai case PTYPE(UAC_VERSION_1, UAC_INPUT_TERMINAL): 273668e9fde2STakashi Iwai case PTYPE(UAC_VERSION_2, UAC_INPUT_TERMINAL): 273768e9fde2STakashi Iwai case PTYPE(UAC_VERSION_3, UAC_INPUT_TERMINAL): 27385a222e84SAndrew Chant return parse_audio_input_terminal(state, unitid, p1); 273968e9fde2STakashi Iwai case PTYPE(UAC_VERSION_1, UAC_MIXER_UNIT): 274068e9fde2STakashi Iwai case PTYPE(UAC_VERSION_2, UAC_MIXER_UNIT): 274168e9fde2STakashi Iwai case PTYPE(UAC_VERSION_3, UAC3_MIXER_UNIT): 2742f0b5e634SDaniel Mack return parse_audio_mixer_unit(state, unitid, p1); 274368e9fde2STakashi Iwai case PTYPE(UAC_VERSION_2, UAC2_CLOCK_SOURCE): 274468e9fde2STakashi Iwai case PTYPE(UAC_VERSION_3, UAC3_CLOCK_SOURCE): 2745cddaafb9SDaniel Mack return parse_clock_source_unit(state, unitid, p1); 274668e9fde2STakashi Iwai case PTYPE(UAC_VERSION_1, UAC_SELECTOR_UNIT): 274768e9fde2STakashi Iwai case PTYPE(UAC_VERSION_2, UAC_SELECTOR_UNIT): 274868e9fde2STakashi Iwai case PTYPE(UAC_VERSION_3, UAC3_SELECTOR_UNIT): 274968e9fde2STakashi Iwai case PTYPE(UAC_VERSION_2, UAC2_CLOCK_SELECTOR): 275068e9fde2STakashi Iwai case PTYPE(UAC_VERSION_3, UAC3_CLOCK_SELECTOR): 2751f0b5e634SDaniel Mack return parse_audio_selector_unit(state, unitid, p1); 275268e9fde2STakashi Iwai case PTYPE(UAC_VERSION_1, UAC_FEATURE_UNIT): 275368e9fde2STakashi Iwai case PTYPE(UAC_VERSION_2, UAC_FEATURE_UNIT): 275468e9fde2STakashi Iwai case PTYPE(UAC_VERSION_3, UAC3_FEATURE_UNIT): 2755f0b5e634SDaniel Mack return parse_audio_feature_unit(state, unitid, p1); 275668e9fde2STakashi Iwai case PTYPE(UAC_VERSION_1, UAC1_PROCESSING_UNIT): 275768e9fde2STakashi Iwai case PTYPE(UAC_VERSION_2, UAC2_PROCESSING_UNIT_V2): 275868e9fde2STakashi Iwai case PTYPE(UAC_VERSION_3, UAC3_PROCESSING_UNIT): 2759f0b5e634SDaniel Mack return parse_audio_processing_unit(state, unitid, p1); 276068e9fde2STakashi Iwai case PTYPE(UAC_VERSION_1, UAC1_EXTENSION_UNIT): 276168e9fde2STakashi Iwai case PTYPE(UAC_VERSION_2, UAC2_EXTENSION_UNIT_V2): 276268e9fde2STakashi Iwai case PTYPE(UAC_VERSION_3, UAC3_EXTENSION_UNIT): 276368e9fde2STakashi Iwai return parse_audio_extension_unit(state, unitid, p1); 276468e9fde2STakashi Iwai case PTYPE(UAC_VERSION_2, UAC2_EFFECT_UNIT): 276568e9fde2STakashi Iwai case PTYPE(UAC_VERSION_3, UAC3_EFFECT_UNIT): 276623caaf19SDaniel Mack return 0; /* FIXME - effect units not implemented yet */ 2767f0b5e634SDaniel Mack default: 27680ba41d91STakashi Iwai usb_audio_err(state->chip, 276968e9fde2STakashi Iwai "unit %u: unexpected type 0x%02x\n", 277068e9fde2STakashi Iwai unitid, p1[2]); 2771f0b5e634SDaniel Mack return -EINVAL; 2772f0b5e634SDaniel Mack } 2773f0b5e634SDaniel Mack } 2774f0b5e634SDaniel Mack 2775f0b5e634SDaniel Mack static void snd_usb_mixer_free(struct usb_mixer_interface *mixer) 2776f0b5e634SDaniel Mack { 2777124751d5STakashi Iwai /* kill pending URBs */ 2778124751d5STakashi Iwai snd_usb_mixer_disconnect(mixer); 2779124751d5STakashi Iwai 2780f0b5e634SDaniel Mack kfree(mixer->id_elems); 2781f0b5e634SDaniel Mack if (mixer->urb) { 2782f0b5e634SDaniel Mack kfree(mixer->urb->transfer_buffer); 2783f0b5e634SDaniel Mack usb_free_urb(mixer->urb); 2784f0b5e634SDaniel Mack } 2785f0b5e634SDaniel Mack usb_free_urb(mixer->rc_urb); 2786f0b5e634SDaniel Mack kfree(mixer->rc_setup_packet); 2787f0b5e634SDaniel Mack kfree(mixer); 2788f0b5e634SDaniel Mack } 2789f0b5e634SDaniel Mack 2790f0b5e634SDaniel Mack static int snd_usb_mixer_dev_free(struct snd_device *device) 2791f0b5e634SDaniel Mack { 2792f0b5e634SDaniel Mack struct usb_mixer_interface *mixer = device->device_data; 2793f0b5e634SDaniel Mack snd_usb_mixer_free(mixer); 2794f0b5e634SDaniel Mack return 0; 2795f0b5e634SDaniel Mack } 2796f0b5e634SDaniel Mack 279717156f23SRuslan Bilovol /* UAC3 predefined channels configuration */ 279817156f23SRuslan Bilovol struct uac3_badd_profile { 279917156f23SRuslan Bilovol int subclass; 280017156f23SRuslan Bilovol const char *name; 280117156f23SRuslan Bilovol int c_chmask; /* capture channels mask */ 280217156f23SRuslan Bilovol int p_chmask; /* playback channels mask */ 280317156f23SRuslan Bilovol int st_chmask; /* side tone mixing channel mask */ 280417156f23SRuslan Bilovol }; 280517156f23SRuslan Bilovol 2806a01df925STakashi Iwai static const struct uac3_badd_profile uac3_badd_profiles[] = { 280717156f23SRuslan Bilovol { 280817156f23SRuslan Bilovol /* 280917156f23SRuslan Bilovol * BAIF, BAOF or combination of both 281017156f23SRuslan Bilovol * IN: Mono or Stereo cfg, Mono alt possible 281117156f23SRuslan Bilovol * OUT: Mono or Stereo cfg, Mono alt possible 281217156f23SRuslan Bilovol */ 281317156f23SRuslan Bilovol .subclass = UAC3_FUNCTION_SUBCLASS_GENERIC_IO, 281417156f23SRuslan Bilovol .name = "GENERIC IO", 281517156f23SRuslan Bilovol .c_chmask = -1, /* dynamic channels */ 281617156f23SRuslan Bilovol .p_chmask = -1, /* dynamic channels */ 281717156f23SRuslan Bilovol }, 281817156f23SRuslan Bilovol { 281917156f23SRuslan Bilovol /* BAOF; Stereo only cfg, Mono alt possible */ 282017156f23SRuslan Bilovol .subclass = UAC3_FUNCTION_SUBCLASS_HEADPHONE, 282117156f23SRuslan Bilovol .name = "HEADPHONE", 282217156f23SRuslan Bilovol .p_chmask = 3, 282317156f23SRuslan Bilovol }, 282417156f23SRuslan Bilovol { 282517156f23SRuslan Bilovol /* BAOF; Mono or Stereo cfg, Mono alt possible */ 282617156f23SRuslan Bilovol .subclass = UAC3_FUNCTION_SUBCLASS_SPEAKER, 282717156f23SRuslan Bilovol .name = "SPEAKER", 282817156f23SRuslan Bilovol .p_chmask = -1, /* dynamic channels */ 282917156f23SRuslan Bilovol }, 283017156f23SRuslan Bilovol { 283117156f23SRuslan Bilovol /* BAIF; Mono or Stereo cfg, Mono alt possible */ 283217156f23SRuslan Bilovol .subclass = UAC3_FUNCTION_SUBCLASS_MICROPHONE, 283317156f23SRuslan Bilovol .name = "MICROPHONE", 283417156f23SRuslan Bilovol .c_chmask = -1, /* dynamic channels */ 283517156f23SRuslan Bilovol }, 283617156f23SRuslan Bilovol { 283717156f23SRuslan Bilovol /* 283817156f23SRuslan Bilovol * BAIOF topology 283917156f23SRuslan Bilovol * IN: Mono only 284017156f23SRuslan Bilovol * OUT: Mono or Stereo cfg, Mono alt possible 284117156f23SRuslan Bilovol */ 284217156f23SRuslan Bilovol .subclass = UAC3_FUNCTION_SUBCLASS_HEADSET, 284317156f23SRuslan Bilovol .name = "HEADSET", 284417156f23SRuslan Bilovol .c_chmask = 1, 284517156f23SRuslan Bilovol .p_chmask = -1, /* dynamic channels */ 284617156f23SRuslan Bilovol .st_chmask = 1, 284717156f23SRuslan Bilovol }, 284817156f23SRuslan Bilovol { 284917156f23SRuslan Bilovol /* BAIOF; IN: Mono only; OUT: Stereo only, Mono alt possible */ 285017156f23SRuslan Bilovol .subclass = UAC3_FUNCTION_SUBCLASS_HEADSET_ADAPTER, 285117156f23SRuslan Bilovol .name = "HEADSET ADAPTER", 285217156f23SRuslan Bilovol .c_chmask = 1, 285317156f23SRuslan Bilovol .p_chmask = 3, 285417156f23SRuslan Bilovol .st_chmask = 1, 285517156f23SRuslan Bilovol }, 285617156f23SRuslan Bilovol { 285717156f23SRuslan Bilovol /* BAIF + BAOF; IN: Mono only; OUT: Mono only */ 285817156f23SRuslan Bilovol .subclass = UAC3_FUNCTION_SUBCLASS_SPEAKERPHONE, 285917156f23SRuslan Bilovol .name = "SPEAKERPHONE", 286017156f23SRuslan Bilovol .c_chmask = 1, 286117156f23SRuslan Bilovol .p_chmask = 1, 286217156f23SRuslan Bilovol }, 286317156f23SRuslan Bilovol { 0 } /* terminator */ 286417156f23SRuslan Bilovol }; 286517156f23SRuslan Bilovol 286617156f23SRuslan Bilovol static bool uac3_badd_func_has_valid_channels(struct usb_mixer_interface *mixer, 2867a01df925STakashi Iwai const struct uac3_badd_profile *f, 286817156f23SRuslan Bilovol int c_chmask, int p_chmask) 286917156f23SRuslan Bilovol { 287017156f23SRuslan Bilovol /* 287117156f23SRuslan Bilovol * If both playback/capture channels are dynamic, make sure 287217156f23SRuslan Bilovol * at least one channel is present 287317156f23SRuslan Bilovol */ 287417156f23SRuslan Bilovol if (f->c_chmask < 0 && f->p_chmask < 0) { 287517156f23SRuslan Bilovol if (!c_chmask && !p_chmask) { 287617156f23SRuslan Bilovol usb_audio_warn(mixer->chip, "BAAD %s: no channels?", 287717156f23SRuslan Bilovol f->name); 287817156f23SRuslan Bilovol return false; 287917156f23SRuslan Bilovol } 288017156f23SRuslan Bilovol return true; 288117156f23SRuslan Bilovol } 288217156f23SRuslan Bilovol 288317156f23SRuslan Bilovol if ((f->c_chmask < 0 && !c_chmask) || 288417156f23SRuslan Bilovol (f->c_chmask >= 0 && f->c_chmask != c_chmask)) { 288517156f23SRuslan Bilovol usb_audio_warn(mixer->chip, "BAAD %s c_chmask mismatch", 288617156f23SRuslan Bilovol f->name); 288717156f23SRuslan Bilovol return false; 288817156f23SRuslan Bilovol } 288917156f23SRuslan Bilovol if ((f->p_chmask < 0 && !p_chmask) || 289017156f23SRuslan Bilovol (f->p_chmask >= 0 && f->p_chmask != p_chmask)) { 289117156f23SRuslan Bilovol usb_audio_warn(mixer->chip, "BAAD %s p_chmask mismatch", 289217156f23SRuslan Bilovol f->name); 289317156f23SRuslan Bilovol return false; 289417156f23SRuslan Bilovol } 289517156f23SRuslan Bilovol return true; 289617156f23SRuslan Bilovol } 289717156f23SRuslan Bilovol 289817156f23SRuslan Bilovol /* 289917156f23SRuslan Bilovol * create mixer controls for UAC3 BADD profiles 290017156f23SRuslan Bilovol * 290117156f23SRuslan Bilovol * UAC3 BADD device doesn't contain CS descriptors thus we will guess everything 290217156f23SRuslan Bilovol * 290317156f23SRuslan Bilovol * BADD device may contain Mixer Unit, which doesn't have any controls, skip it 290417156f23SRuslan Bilovol */ 290517156f23SRuslan Bilovol static int snd_usb_mixer_controls_badd(struct usb_mixer_interface *mixer, 290617156f23SRuslan Bilovol int ctrlif) 290717156f23SRuslan Bilovol { 290817156f23SRuslan Bilovol struct usb_device *dev = mixer->chip->dev; 290917156f23SRuslan Bilovol struct usb_interface_assoc_descriptor *assoc; 291017156f23SRuslan Bilovol int badd_profile = mixer->chip->badd_profile; 2911a01df925STakashi Iwai const struct uac3_badd_profile *f; 291217156f23SRuslan Bilovol const struct usbmix_ctl_map *map; 291317156f23SRuslan Bilovol int p_chmask = 0, c_chmask = 0, st_chmask = 0; 291417156f23SRuslan Bilovol int i; 291517156f23SRuslan Bilovol 291617156f23SRuslan Bilovol assoc = usb_ifnum_to_if(dev, ctrlif)->intf_assoc; 291717156f23SRuslan Bilovol 291817156f23SRuslan Bilovol /* Detect BADD capture/playback channels from AS EP descriptors */ 291917156f23SRuslan Bilovol for (i = 0; i < assoc->bInterfaceCount; i++) { 292017156f23SRuslan Bilovol int intf = assoc->bFirstInterface + i; 292117156f23SRuslan Bilovol 292217156f23SRuslan Bilovol struct usb_interface *iface; 292317156f23SRuslan Bilovol struct usb_host_interface *alts; 292417156f23SRuslan Bilovol struct usb_interface_descriptor *altsd; 292517156f23SRuslan Bilovol unsigned int maxpacksize; 292617156f23SRuslan Bilovol char dir_in; 292717156f23SRuslan Bilovol int chmask, num; 292817156f23SRuslan Bilovol 292917156f23SRuslan Bilovol if (intf == ctrlif) 293017156f23SRuslan Bilovol continue; 293117156f23SRuslan Bilovol 293217156f23SRuslan Bilovol iface = usb_ifnum_to_if(dev, intf); 29339435f2bbSTakashi Iwai if (!iface) 29349435f2bbSTakashi Iwai continue; 29359435f2bbSTakashi Iwai 293617156f23SRuslan Bilovol num = iface->num_altsetting; 293717156f23SRuslan Bilovol 293817156f23SRuslan Bilovol if (num < 2) 293917156f23SRuslan Bilovol return -EINVAL; 294017156f23SRuslan Bilovol 294117156f23SRuslan Bilovol /* 294217156f23SRuslan Bilovol * The number of Channels in an AudioStreaming interface 294317156f23SRuslan Bilovol * and the audio sample bit resolution (16 bits or 24 294417156f23SRuslan Bilovol * bits) can be derived from the wMaxPacketSize field in 294517156f23SRuslan Bilovol * the Standard AS Audio Data Endpoint descriptor in 294617156f23SRuslan Bilovol * Alternate Setting 1 294717156f23SRuslan Bilovol */ 294817156f23SRuslan Bilovol alts = &iface->altsetting[1]; 294917156f23SRuslan Bilovol altsd = get_iface_desc(alts); 295017156f23SRuslan Bilovol 295117156f23SRuslan Bilovol if (altsd->bNumEndpoints < 1) 295217156f23SRuslan Bilovol return -EINVAL; 295317156f23SRuslan Bilovol 295417156f23SRuslan Bilovol /* check direction */ 295517156f23SRuslan Bilovol dir_in = (get_endpoint(alts, 0)->bEndpointAddress & USB_DIR_IN); 295617156f23SRuslan Bilovol maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize); 295717156f23SRuslan Bilovol 295817156f23SRuslan Bilovol switch (maxpacksize) { 295917156f23SRuslan Bilovol default: 296017156f23SRuslan Bilovol usb_audio_err(mixer->chip, 296117156f23SRuslan Bilovol "incorrect wMaxPacketSize 0x%x for BADD profile\n", 296217156f23SRuslan Bilovol maxpacksize); 296317156f23SRuslan Bilovol return -EINVAL; 296417156f23SRuslan Bilovol case UAC3_BADD_EP_MAXPSIZE_SYNC_MONO_16: 296517156f23SRuslan Bilovol case UAC3_BADD_EP_MAXPSIZE_ASYNC_MONO_16: 296617156f23SRuslan Bilovol case UAC3_BADD_EP_MAXPSIZE_SYNC_MONO_24: 296717156f23SRuslan Bilovol case UAC3_BADD_EP_MAXPSIZE_ASYNC_MONO_24: 296817156f23SRuslan Bilovol chmask = 1; 296917156f23SRuslan Bilovol break; 297017156f23SRuslan Bilovol case UAC3_BADD_EP_MAXPSIZE_SYNC_STEREO_16: 297117156f23SRuslan Bilovol case UAC3_BADD_EP_MAXPSIZE_ASYNC_STEREO_16: 297217156f23SRuslan Bilovol case UAC3_BADD_EP_MAXPSIZE_SYNC_STEREO_24: 297317156f23SRuslan Bilovol case UAC3_BADD_EP_MAXPSIZE_ASYNC_STEREO_24: 297417156f23SRuslan Bilovol chmask = 3; 297517156f23SRuslan Bilovol break; 297617156f23SRuslan Bilovol } 297717156f23SRuslan Bilovol 297817156f23SRuslan Bilovol if (dir_in) 297917156f23SRuslan Bilovol c_chmask = chmask; 298017156f23SRuslan Bilovol else 298117156f23SRuslan Bilovol p_chmask = chmask; 298217156f23SRuslan Bilovol } 298317156f23SRuslan Bilovol 298417156f23SRuslan Bilovol usb_audio_dbg(mixer->chip, 298517156f23SRuslan Bilovol "UAC3 BADD profile 0x%x: detected c_chmask=%d p_chmask=%d\n", 298617156f23SRuslan Bilovol badd_profile, c_chmask, p_chmask); 298717156f23SRuslan Bilovol 298817156f23SRuslan Bilovol /* check the mapping table */ 298917156f23SRuslan Bilovol for (map = uac3_badd_usbmix_ctl_maps; map->id; map++) { 299017156f23SRuslan Bilovol if (map->id == badd_profile) 299117156f23SRuslan Bilovol break; 299217156f23SRuslan Bilovol } 299317156f23SRuslan Bilovol 299417156f23SRuslan Bilovol if (!map->id) 299517156f23SRuslan Bilovol return -EINVAL; 299617156f23SRuslan Bilovol 299717156f23SRuslan Bilovol for (f = uac3_badd_profiles; f->name; f++) { 299817156f23SRuslan Bilovol if (badd_profile == f->subclass) 299917156f23SRuslan Bilovol break; 300017156f23SRuslan Bilovol } 300117156f23SRuslan Bilovol if (!f->name) 300217156f23SRuslan Bilovol return -EINVAL; 300317156f23SRuslan Bilovol if (!uac3_badd_func_has_valid_channels(mixer, f, c_chmask, p_chmask)) 300417156f23SRuslan Bilovol return -EINVAL; 300517156f23SRuslan Bilovol st_chmask = f->st_chmask; 300617156f23SRuslan Bilovol 300717156f23SRuslan Bilovol /* Playback */ 300817156f23SRuslan Bilovol if (p_chmask) { 300917156f23SRuslan Bilovol /* Master channel, always writable */ 301017156f23SRuslan Bilovol build_feature_ctl_badd(mixer, 0, UAC_FU_MUTE, 301117156f23SRuslan Bilovol UAC3_BADD_FU_ID2, map->map); 301217156f23SRuslan Bilovol /* Mono/Stereo volume channels, always writable */ 301317156f23SRuslan Bilovol build_feature_ctl_badd(mixer, p_chmask, UAC_FU_VOLUME, 301417156f23SRuslan Bilovol UAC3_BADD_FU_ID2, map->map); 301517156f23SRuslan Bilovol } 301617156f23SRuslan Bilovol 301717156f23SRuslan Bilovol /* Capture */ 301817156f23SRuslan Bilovol if (c_chmask) { 301917156f23SRuslan Bilovol /* Master channel, always writable */ 302017156f23SRuslan Bilovol build_feature_ctl_badd(mixer, 0, UAC_FU_MUTE, 302117156f23SRuslan Bilovol UAC3_BADD_FU_ID5, map->map); 302217156f23SRuslan Bilovol /* Mono/Stereo volume channels, always writable */ 302317156f23SRuslan Bilovol build_feature_ctl_badd(mixer, c_chmask, UAC_FU_VOLUME, 302417156f23SRuslan Bilovol UAC3_BADD_FU_ID5, map->map); 302517156f23SRuslan Bilovol } 302617156f23SRuslan Bilovol 302717156f23SRuslan Bilovol /* Side tone-mixing */ 302817156f23SRuslan Bilovol if (st_chmask) { 302917156f23SRuslan Bilovol /* Master channel, always writable */ 303017156f23SRuslan Bilovol build_feature_ctl_badd(mixer, 0, UAC_FU_MUTE, 303117156f23SRuslan Bilovol UAC3_BADD_FU_ID7, map->map); 303217156f23SRuslan Bilovol /* Mono volume channel, always writable */ 303317156f23SRuslan Bilovol build_feature_ctl_badd(mixer, 1, UAC_FU_VOLUME, 303417156f23SRuslan Bilovol UAC3_BADD_FU_ID7, map->map); 303517156f23SRuslan Bilovol } 303617156f23SRuslan Bilovol 30373528cd8fSJorge Sanjuan /* Insertion Control */ 30383528cd8fSJorge Sanjuan if (f->subclass == UAC3_FUNCTION_SUBCLASS_HEADSET_ADAPTER) { 30393528cd8fSJorge Sanjuan struct usb_audio_term iterm, oterm; 30403528cd8fSJorge Sanjuan 30413528cd8fSJorge Sanjuan /* Input Term - Insertion control */ 30423528cd8fSJorge Sanjuan memset(&iterm, 0, sizeof(iterm)); 30433528cd8fSJorge Sanjuan iterm.id = UAC3_BADD_IT_ID4; 30443528cd8fSJorge Sanjuan iterm.type = UAC_BIDIR_TERMINAL_HEADSET; 30453528cd8fSJorge Sanjuan build_connector_control(mixer, &iterm, true); 30463528cd8fSJorge Sanjuan 30473528cd8fSJorge Sanjuan /* Output Term - Insertion control */ 30483528cd8fSJorge Sanjuan memset(&oterm, 0, sizeof(oterm)); 30493528cd8fSJorge Sanjuan oterm.id = UAC3_BADD_OT_ID3; 30503528cd8fSJorge Sanjuan oterm.type = UAC_BIDIR_TERMINAL_HEADSET; 30513528cd8fSJorge Sanjuan build_connector_control(mixer, &oterm, false); 30523528cd8fSJorge Sanjuan } 30533528cd8fSJorge Sanjuan 305417156f23SRuslan Bilovol return 0; 305517156f23SRuslan Bilovol } 305617156f23SRuslan Bilovol 3057f0b5e634SDaniel Mack /* 3058f0b5e634SDaniel Mack * create mixer controls 3059f0b5e634SDaniel Mack * 3060f0b5e634SDaniel Mack * walk through all UAC_OUTPUT_TERMINAL descriptors to search for mixers 3061f0b5e634SDaniel Mack */ 3062f0b5e634SDaniel Mack static int snd_usb_mixer_controls(struct usb_mixer_interface *mixer) 3063f0b5e634SDaniel Mack { 3064f0b5e634SDaniel Mack struct mixer_build state; 3065f0b5e634SDaniel Mack int err; 3066f0b5e634SDaniel Mack const struct usbmix_ctl_map *map; 306723caaf19SDaniel Mack void *p; 3068f0b5e634SDaniel Mack 3069f0b5e634SDaniel Mack memset(&state, 0, sizeof(state)); 3070f0b5e634SDaniel Mack state.chip = mixer->chip; 3071f0b5e634SDaniel Mack state.mixer = mixer; 30721faa5d07SDaniel Mack state.buffer = mixer->hostif->extra; 30731faa5d07SDaniel Mack state.buflen = mixer->hostif->extralen; 3074f0b5e634SDaniel Mack 3075f0b5e634SDaniel Mack /* check the mapping table */ 3076f0b5e634SDaniel Mack for (map = usbmix_ctl_maps; map->id; map++) { 3077f0b5e634SDaniel Mack if (map->id == state.chip->usb_id) { 3078f0b5e634SDaniel Mack state.map = map->map; 3079f0b5e634SDaniel Mack state.selector_map = map->selector_map; 3080f0b5e634SDaniel Mack mixer->ignore_ctl_error = map->ignore_ctl_error; 3081f0b5e634SDaniel Mack break; 3082f0b5e634SDaniel Mack } 3083f0b5e634SDaniel Mack } 3084f0b5e634SDaniel Mack 308523caaf19SDaniel Mack p = NULL; 30866bc170e4SDaniel Mack while ((p = snd_usb_find_csint_desc(mixer->hostif->extra, 30876bc170e4SDaniel Mack mixer->hostif->extralen, 30881faa5d07SDaniel Mack p, UAC_OUTPUT_TERMINAL)) != NULL) { 308957f87706STakashi Iwai if (!snd_usb_validate_audio_desc(p, mixer->protocol)) 309057f87706STakashi Iwai continue; /* skip invalid descriptor */ 309157f87706STakashi Iwai 309223caaf19SDaniel Mack if (mixer->protocol == UAC_VERSION_1) { 309369da9bcbSDaniel Mack struct uac1_output_terminal_descriptor *desc = p; 309423caaf19SDaniel Mack 30956bc170e4SDaniel Mack /* mark terminal ID as visited */ 30966bc170e4SDaniel Mack set_bit(desc->bTerminalID, state.unitbitmap); 309723caaf19SDaniel Mack state.oterm.id = desc->bTerminalID; 309823caaf19SDaniel Mack state.oterm.type = le16_to_cpu(desc->wTerminalType); 309923caaf19SDaniel Mack state.oterm.name = desc->iTerminal; 310023caaf19SDaniel Mack err = parse_audio_unit(&state, desc->bSourceID); 310183ea5d18SDaniel Mack if (err < 0 && err != -EINVAL) 310223caaf19SDaniel Mack return err; 31039a2fe9b8SRuslan Bilovol } else if (mixer->protocol == UAC_VERSION_2) { 310423caaf19SDaniel Mack struct uac2_output_terminal_descriptor *desc = p; 310523caaf19SDaniel Mack 31066bc170e4SDaniel Mack /* mark terminal ID as visited */ 31076bc170e4SDaniel Mack set_bit(desc->bTerminalID, state.unitbitmap); 3108f0b5e634SDaniel Mack state.oterm.id = desc->bTerminalID; 3109f0b5e634SDaniel Mack state.oterm.type = le16_to_cpu(desc->wTerminalType); 3110f0b5e634SDaniel Mack state.oterm.name = desc->iTerminal; 3111f0b5e634SDaniel Mack err = parse_audio_unit(&state, desc->bSourceID); 311283ea5d18SDaniel Mack if (err < 0 && err != -EINVAL) 3113f0b5e634SDaniel Mack return err; 311409414207SDaniel Mack 31156bc170e4SDaniel Mack /* 31166bc170e4SDaniel Mack * For UAC2, use the same approach to also add the 31176bc170e4SDaniel Mack * clock selectors 31186bc170e4SDaniel Mack */ 311909414207SDaniel Mack err = parse_audio_unit(&state, desc->bCSourceID); 312083ea5d18SDaniel Mack if (err < 0 && err != -EINVAL) 312109414207SDaniel Mack return err; 31225a222e84SAndrew Chant 31232b54f785STakashi Iwai if (uac_v2v3_control_is_readable(le16_to_cpu(desc->bmControls), 31245a222e84SAndrew Chant UAC2_TE_CONNECTOR)) { 3125167e1fb1SJorge Sanjuan build_connector_control(state.mixer, &state.oterm, 31265a222e84SAndrew Chant false); 31275a222e84SAndrew Chant } 31289a2fe9b8SRuslan Bilovol } else { /* UAC_VERSION_3 */ 31299a2fe9b8SRuslan Bilovol struct uac3_output_terminal_descriptor *desc = p; 31309a2fe9b8SRuslan Bilovol 31319a2fe9b8SRuslan Bilovol /* mark terminal ID as visited */ 31329a2fe9b8SRuslan Bilovol set_bit(desc->bTerminalID, state.unitbitmap); 31339a2fe9b8SRuslan Bilovol state.oterm.id = desc->bTerminalID; 31349a2fe9b8SRuslan Bilovol state.oterm.type = le16_to_cpu(desc->wTerminalType); 31359a2fe9b8SRuslan Bilovol state.oterm.name = le16_to_cpu(desc->wTerminalDescrStr); 31369a2fe9b8SRuslan Bilovol err = parse_audio_unit(&state, desc->bSourceID); 31379a2fe9b8SRuslan Bilovol if (err < 0 && err != -EINVAL) 31389a2fe9b8SRuslan Bilovol return err; 31399a2fe9b8SRuslan Bilovol 31409a2fe9b8SRuslan Bilovol /* 31419a2fe9b8SRuslan Bilovol * For UAC3, use the same approach to also add the 31429a2fe9b8SRuslan Bilovol * clock selectors 31439a2fe9b8SRuslan Bilovol */ 31449a2fe9b8SRuslan Bilovol err = parse_audio_unit(&state, desc->bCSourceID); 31459a2fe9b8SRuslan Bilovol if (err < 0 && err != -EINVAL) 31469a2fe9b8SRuslan Bilovol return err; 31471d38f5d8SJorge Sanjuan 31481d38f5d8SJorge Sanjuan if (uac_v2v3_control_is_readable(le32_to_cpu(desc->bmControls), 31491d38f5d8SJorge Sanjuan UAC3_TE_INSERTION)) { 3150167e1fb1SJorge Sanjuan build_connector_control(state.mixer, &state.oterm, 31511d38f5d8SJorge Sanjuan false); 31521d38f5d8SJorge Sanjuan } 3153f0b5e634SDaniel Mack } 315423caaf19SDaniel Mack } 315523caaf19SDaniel Mack 3156f0b5e634SDaniel Mack return 0; 3157f0b5e634SDaniel Mack } 3158f0b5e634SDaniel Mack 3159f0b5e634SDaniel Mack void snd_usb_mixer_notify_id(struct usb_mixer_interface *mixer, int unitid) 3160f0b5e634SDaniel Mack { 31613360b84bSTakashi Iwai struct usb_mixer_elem_list *list; 3162f0b5e634SDaniel Mack 31638c558076STakashi Iwai for_each_mixer_elem(list, mixer, unitid) { 3164b2500b58SJulian Scheel struct usb_mixer_elem_info *info = 31658c558076STakashi Iwai mixer_elem_list_to_info(list); 3166b2500b58SJulian Scheel /* invalidate cache, so the value is read from the device */ 3167b2500b58SJulian Scheel info->cached = 0; 3168f0b5e634SDaniel Mack snd_ctl_notify(mixer->chip->card, SNDRV_CTL_EVENT_MASK_VALUE, 31693360b84bSTakashi Iwai &list->kctl->id); 3170f0b5e634SDaniel Mack } 3171b2500b58SJulian Scheel } 3172f0b5e634SDaniel Mack 3173f0b5e634SDaniel Mack static void snd_usb_mixer_dump_cval(struct snd_info_buffer *buffer, 31743360b84bSTakashi Iwai struct usb_mixer_elem_list *list) 3175f0b5e634SDaniel Mack { 31768c558076STakashi Iwai struct usb_mixer_elem_info *cval = mixer_elem_list_to_info(list); 3177a01df925STakashi Iwai static const char * const val_types[] = {"BOOLEAN", "INV_BOOLEAN", 3178f0b5e634SDaniel Mack "S8", "U8", "S16", "U16"}; 3179f0b5e634SDaniel Mack snd_iprintf(buffer, " Info: id=%i, control=%i, cmask=0x%x, " 31803360b84bSTakashi Iwai "channels=%i, type=\"%s\"\n", cval->head.id, 3181f0b5e634SDaniel Mack cval->control, cval->cmask, cval->channels, 3182f0b5e634SDaniel Mack val_types[cval->val_type]); 3183f0b5e634SDaniel Mack snd_iprintf(buffer, " Volume: min=%i, max=%i, dBmin=%i, dBmax=%i\n", 3184f0b5e634SDaniel Mack cval->min, cval->max, cval->dBmin, cval->dBmax); 3185f0b5e634SDaniel Mack } 3186f0b5e634SDaniel Mack 3187f0b5e634SDaniel Mack static void snd_usb_mixer_proc_read(struct snd_info_entry *entry, 3188f0b5e634SDaniel Mack struct snd_info_buffer *buffer) 3189f0b5e634SDaniel Mack { 3190f0b5e634SDaniel Mack struct snd_usb_audio *chip = entry->private_data; 3191f0b5e634SDaniel Mack struct usb_mixer_interface *mixer; 31923360b84bSTakashi Iwai struct usb_mixer_elem_list *list; 3193f0b5e634SDaniel Mack int unitid; 3194f0b5e634SDaniel Mack 3195f0b5e634SDaniel Mack list_for_each_entry(mixer, &chip->mixer_list, list) { 3196f0b5e634SDaniel Mack snd_iprintf(buffer, 3197f0b5e634SDaniel Mack "USB Mixer: usb_id=0x%08x, ctrlif=%i, ctlerr=%i\n", 31983d8d4dcfSDaniel Mack chip->usb_id, snd_usb_ctrl_intf(chip), 3199f0b5e634SDaniel Mack mixer->ignore_ctl_error); 3200f0b5e634SDaniel Mack snd_iprintf(buffer, "Card: %s\n", chip->card->longname); 3201f0b5e634SDaniel Mack for (unitid = 0; unitid < MAX_ID_ELEMS; unitid++) { 32028c558076STakashi Iwai for_each_mixer_elem(list, mixer, unitid) { 32033360b84bSTakashi Iwai snd_iprintf(buffer, " Unit: %i\n", list->id); 32043360b84bSTakashi Iwai if (list->kctl) 32053360b84bSTakashi Iwai snd_iprintf(buffer, 32063360b84bSTakashi Iwai " Control: name=\"%s\", index=%i\n", 32073360b84bSTakashi Iwai list->kctl->id.name, 32083360b84bSTakashi Iwai list->kctl->id.index); 32093360b84bSTakashi Iwai if (list->dump) 32103360b84bSTakashi Iwai list->dump(buffer, list); 32113360b84bSTakashi Iwai } 3212f0b5e634SDaniel Mack } 3213f0b5e634SDaniel Mack } 3214f0b5e634SDaniel Mack } 3215f0b5e634SDaniel Mack 3216e213e9cfSDaniel Mack static void snd_usb_mixer_interrupt_v2(struct usb_mixer_interface *mixer, 3217e213e9cfSDaniel Mack int attribute, int value, int index) 3218e213e9cfSDaniel Mack { 32193360b84bSTakashi Iwai struct usb_mixer_elem_list *list; 3220e213e9cfSDaniel Mack __u8 unitid = (index >> 8) & 0xff; 3221e213e9cfSDaniel Mack __u8 control = (value >> 8) & 0xff; 3222e213e9cfSDaniel Mack __u8 channel = value & 0xff; 3223191227d9SDaniel Mack unsigned int count = 0; 3224e213e9cfSDaniel Mack 3225e213e9cfSDaniel Mack if (channel >= MAX_CHANNELS) { 32260ba41d91STakashi Iwai usb_audio_dbg(mixer->chip, 32270ba41d91STakashi Iwai "%s(): bogus channel number %d\n", 3228e213e9cfSDaniel Mack __func__, channel); 3229e213e9cfSDaniel Mack return; 3230e213e9cfSDaniel Mack } 3231e213e9cfSDaniel Mack 32328c558076STakashi Iwai for_each_mixer_elem(list, mixer, unitid) 3233191227d9SDaniel Mack count++; 3234191227d9SDaniel Mack 3235191227d9SDaniel Mack if (count == 0) 3236191227d9SDaniel Mack return; 3237191227d9SDaniel Mack 32388c558076STakashi Iwai for_each_mixer_elem(list, mixer, unitid) { 32393360b84bSTakashi Iwai struct usb_mixer_elem_info *info; 32403360b84bSTakashi Iwai 32413360b84bSTakashi Iwai if (!list->kctl) 32423360b84bSTakashi Iwai continue; 32433360b84bSTakashi Iwai 32448c558076STakashi Iwai info = mixer_elem_list_to_info(list); 3245191227d9SDaniel Mack if (count > 1 && info->control != control) 3246e213e9cfSDaniel Mack continue; 3247e213e9cfSDaniel Mack 3248e213e9cfSDaniel Mack switch (attribute) { 3249e213e9cfSDaniel Mack case UAC2_CS_CUR: 3250e213e9cfSDaniel Mack /* invalidate cache, so the value is read from the device */ 3251e213e9cfSDaniel Mack if (channel) 3252e213e9cfSDaniel Mack info->cached &= ~(1 << channel); 3253e213e9cfSDaniel Mack else /* master channel */ 3254e213e9cfSDaniel Mack info->cached = 0; 3255e213e9cfSDaniel Mack 3256e213e9cfSDaniel Mack snd_ctl_notify(mixer->chip->card, SNDRV_CTL_EVENT_MASK_VALUE, 32573360b84bSTakashi Iwai &info->head.kctl->id); 3258e213e9cfSDaniel Mack break; 3259e213e9cfSDaniel Mack 3260e213e9cfSDaniel Mack case UAC2_CS_RANGE: 3261e213e9cfSDaniel Mack /* TODO */ 3262e213e9cfSDaniel Mack break; 3263e213e9cfSDaniel Mack 3264e213e9cfSDaniel Mack case UAC2_CS_MEM: 3265e213e9cfSDaniel Mack /* TODO */ 3266e213e9cfSDaniel Mack break; 3267e213e9cfSDaniel Mack 3268e213e9cfSDaniel Mack default: 32690ba41d91STakashi Iwai usb_audio_dbg(mixer->chip, 32700ba41d91STakashi Iwai "unknown attribute %d in interrupt\n", 3271e213e9cfSDaniel Mack attribute); 3272e213e9cfSDaniel Mack break; 3273e213e9cfSDaniel Mack } /* switch */ 3274e213e9cfSDaniel Mack } 3275e213e9cfSDaniel Mack } 3276e213e9cfSDaniel Mack 3277e213e9cfSDaniel Mack static void snd_usb_mixer_interrupt(struct urb *urb) 3278f0b5e634SDaniel Mack { 3279f0b5e634SDaniel Mack struct usb_mixer_interface *mixer = urb->context; 3280e213e9cfSDaniel Mack int len = urb->actual_length; 3281edf7de31SOliver Neukum int ustatus = urb->status; 3282f0b5e634SDaniel Mack 3283edf7de31SOliver Neukum if (ustatus != 0) 3284e213e9cfSDaniel Mack goto requeue; 3285f0b5e634SDaniel Mack 3286e213e9cfSDaniel Mack if (mixer->protocol == UAC_VERSION_1) { 3287e213e9cfSDaniel Mack struct uac1_status_word *status; 3288e213e9cfSDaniel Mack 3289e213e9cfSDaniel Mack for (status = urb->transfer_buffer; 3290e213e9cfSDaniel Mack len >= sizeof(*status); 3291e213e9cfSDaniel Mack len -= sizeof(*status), status++) { 32920ba41d91STakashi Iwai dev_dbg(&urb->dev->dev, "status interrupt: %02x %02x\n", 3293e213e9cfSDaniel Mack status->bStatusType, 3294e213e9cfSDaniel Mack status->bOriginator); 3295e213e9cfSDaniel Mack 3296f0b5e634SDaniel Mack /* ignore any notifications not from the control interface */ 3297e213e9cfSDaniel Mack if ((status->bStatusType & UAC1_STATUS_TYPE_ORIG_MASK) != 3298e213e9cfSDaniel Mack UAC1_STATUS_TYPE_ORIG_AUDIO_CONTROL_IF) 3299f0b5e634SDaniel Mack continue; 3300e213e9cfSDaniel Mack 3301e213e9cfSDaniel Mack if (status->bStatusType & UAC1_STATUS_TYPE_MEM_CHANGED) 3302e213e9cfSDaniel Mack snd_usb_mixer_rc_memory_change(mixer, status->bOriginator); 3303f0b5e634SDaniel Mack else 3304e213e9cfSDaniel Mack snd_usb_mixer_notify_id(mixer, status->bOriginator); 3305e213e9cfSDaniel Mack } 3306e213e9cfSDaniel Mack } else { /* UAC_VERSION_2 */ 3307e213e9cfSDaniel Mack struct uac2_interrupt_data_msg *msg; 3308e213e9cfSDaniel Mack 3309e213e9cfSDaniel Mack for (msg = urb->transfer_buffer; 3310e213e9cfSDaniel Mack len >= sizeof(*msg); 3311e213e9cfSDaniel Mack len -= sizeof(*msg), msg++) { 3312e213e9cfSDaniel Mack /* drop vendor specific and endpoint requests */ 3313e213e9cfSDaniel Mack if ((msg->bInfo & UAC2_INTERRUPT_DATA_MSG_VENDOR) || 3314e213e9cfSDaniel Mack (msg->bInfo & UAC2_INTERRUPT_DATA_MSG_EP)) 3315e213e9cfSDaniel Mack continue; 3316e213e9cfSDaniel Mack 3317e213e9cfSDaniel Mack snd_usb_mixer_interrupt_v2(mixer, msg->bAttribute, 3318e213e9cfSDaniel Mack le16_to_cpu(msg->wValue), 3319e213e9cfSDaniel Mack le16_to_cpu(msg->wIndex)); 3320f0b5e634SDaniel Mack } 3321f0b5e634SDaniel Mack } 3322e213e9cfSDaniel Mack 3323e213e9cfSDaniel Mack requeue: 33246bc170e4SDaniel Mack if (ustatus != -ENOENT && 33256bc170e4SDaniel Mack ustatus != -ECONNRESET && 33266bc170e4SDaniel Mack ustatus != -ESHUTDOWN) { 3327f0b5e634SDaniel Mack urb->dev = mixer->chip->dev; 3328f0b5e634SDaniel Mack usb_submit_urb(urb, GFP_ATOMIC); 3329f0b5e634SDaniel Mack } 3330f0b5e634SDaniel Mack } 3331f0b5e634SDaniel Mack 3332f0b5e634SDaniel Mack /* create the handler for the optional status interrupt endpoint */ 3333f0b5e634SDaniel Mack static int snd_usb_mixer_status_create(struct usb_mixer_interface *mixer) 3334f0b5e634SDaniel Mack { 3335f0b5e634SDaniel Mack struct usb_endpoint_descriptor *ep; 3336f0b5e634SDaniel Mack void *transfer_buffer; 3337f0b5e634SDaniel Mack int buffer_length; 3338f0b5e634SDaniel Mack unsigned int epnum; 3339f0b5e634SDaniel Mack 3340f0b5e634SDaniel Mack /* we need one interrupt input endpoint */ 33411faa5d07SDaniel Mack if (get_iface_desc(mixer->hostif)->bNumEndpoints < 1) 3342f0b5e634SDaniel Mack return 0; 33431faa5d07SDaniel Mack ep = get_endpoint(mixer->hostif, 0); 3344f0b5e634SDaniel Mack if (!usb_endpoint_dir_in(ep) || !usb_endpoint_xfer_int(ep)) 3345f0b5e634SDaniel Mack return 0; 3346f0b5e634SDaniel Mack 3347f0b5e634SDaniel Mack epnum = usb_endpoint_num(ep); 3348f0b5e634SDaniel Mack buffer_length = le16_to_cpu(ep->wMaxPacketSize); 3349f0b5e634SDaniel Mack transfer_buffer = kmalloc(buffer_length, GFP_KERNEL); 3350f0b5e634SDaniel Mack if (!transfer_buffer) 3351f0b5e634SDaniel Mack return -ENOMEM; 3352f0b5e634SDaniel Mack mixer->urb = usb_alloc_urb(0, GFP_KERNEL); 3353f0b5e634SDaniel Mack if (!mixer->urb) { 3354f0b5e634SDaniel Mack kfree(transfer_buffer); 3355f0b5e634SDaniel Mack return -ENOMEM; 3356f0b5e634SDaniel Mack } 3357f0b5e634SDaniel Mack usb_fill_int_urb(mixer->urb, mixer->chip->dev, 3358f0b5e634SDaniel Mack usb_rcvintpipe(mixer->chip->dev, epnum), 3359f0b5e634SDaniel Mack transfer_buffer, buffer_length, 3360e213e9cfSDaniel Mack snd_usb_mixer_interrupt, mixer, ep->bInterval); 3361f0b5e634SDaniel Mack usb_submit_urb(mixer->urb, GFP_KERNEL); 3362f0b5e634SDaniel Mack return 0; 3363f0b5e634SDaniel Mack } 3364f0b5e634SDaniel Mack 33654120fbedSTakashi Iwai static int keep_iface_ctl_get(struct snd_kcontrol *kcontrol, 33664120fbedSTakashi Iwai struct snd_ctl_elem_value *ucontrol) 33674120fbedSTakashi Iwai { 33684120fbedSTakashi Iwai struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol); 33694120fbedSTakashi Iwai 33704120fbedSTakashi Iwai ucontrol->value.integer.value[0] = mixer->chip->keep_iface; 33714120fbedSTakashi Iwai return 0; 33724120fbedSTakashi Iwai } 33734120fbedSTakashi Iwai 33744120fbedSTakashi Iwai static int keep_iface_ctl_put(struct snd_kcontrol *kcontrol, 33754120fbedSTakashi Iwai struct snd_ctl_elem_value *ucontrol) 33764120fbedSTakashi Iwai { 33774120fbedSTakashi Iwai struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol); 33784120fbedSTakashi Iwai bool keep_iface = !!ucontrol->value.integer.value[0]; 33794120fbedSTakashi Iwai 33804120fbedSTakashi Iwai if (mixer->chip->keep_iface == keep_iface) 33814120fbedSTakashi Iwai return 0; 33824120fbedSTakashi Iwai mixer->chip->keep_iface = keep_iface; 33834120fbedSTakashi Iwai return 1; 33844120fbedSTakashi Iwai } 33854120fbedSTakashi Iwai 33864120fbedSTakashi Iwai static const struct snd_kcontrol_new keep_iface_ctl = { 33874120fbedSTakashi Iwai .iface = SNDRV_CTL_ELEM_IFACE_CARD, 33884120fbedSTakashi Iwai .name = "Keep Interface", 33894120fbedSTakashi Iwai .info = snd_ctl_boolean_mono_info, 33904120fbedSTakashi Iwai .get = keep_iface_ctl_get, 33914120fbedSTakashi Iwai .put = keep_iface_ctl_put, 33924120fbedSTakashi Iwai }; 33934120fbedSTakashi Iwai 33944120fbedSTakashi Iwai static int create_keep_iface_ctl(struct usb_mixer_interface *mixer) 33954120fbedSTakashi Iwai { 33964120fbedSTakashi Iwai struct snd_kcontrol *kctl = snd_ctl_new1(&keep_iface_ctl, mixer); 33974120fbedSTakashi Iwai 33984120fbedSTakashi Iwai /* need only one control per card */ 33994120fbedSTakashi Iwai if (snd_ctl_find_id(mixer->chip->card, &kctl->id)) { 34004120fbedSTakashi Iwai snd_ctl_free_one(kctl); 34014120fbedSTakashi Iwai return 0; 34024120fbedSTakashi Iwai } 34034120fbedSTakashi Iwai 34044120fbedSTakashi Iwai return snd_ctl_add(mixer->chip->card, kctl); 34054120fbedSTakashi Iwai } 34064120fbedSTakashi Iwai 3407f0b5e634SDaniel Mack int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif, 3408f0b5e634SDaniel Mack int ignore_error) 3409f0b5e634SDaniel Mack { 3410c0a142e2STakashi Iwai static const struct snd_device_ops dev_ops = { 3411f0b5e634SDaniel Mack .dev_free = snd_usb_mixer_dev_free 3412f0b5e634SDaniel Mack }; 3413f0b5e634SDaniel Mack struct usb_mixer_interface *mixer; 341423caaf19SDaniel Mack int err; 3415f0b5e634SDaniel Mack 3416f0b5e634SDaniel Mack strcpy(chip->card->mixername, "USB Mixer"); 3417f0b5e634SDaniel Mack 3418f0b5e634SDaniel Mack mixer = kzalloc(sizeof(*mixer), GFP_KERNEL); 3419f0b5e634SDaniel Mack if (!mixer) 3420f0b5e634SDaniel Mack return -ENOMEM; 3421f0b5e634SDaniel Mack mixer->chip = chip; 3422f0b5e634SDaniel Mack mixer->ignore_ctl_error = ignore_error; 3423f0b5e634SDaniel Mack mixer->id_elems = kcalloc(MAX_ID_ELEMS, sizeof(*mixer->id_elems), 3424f0b5e634SDaniel Mack GFP_KERNEL); 3425f0b5e634SDaniel Mack if (!mixer->id_elems) { 3426f0b5e634SDaniel Mack kfree(mixer); 3427f0b5e634SDaniel Mack return -ENOMEM; 3428f0b5e634SDaniel Mack } 3429f0b5e634SDaniel Mack 34301faa5d07SDaniel Mack mixer->hostif = &usb_ifnum_to_if(chip->dev, ctrlif)->altsetting[0]; 34311faa5d07SDaniel Mack switch (get_iface_desc(mixer->hostif)->bInterfaceProtocol) { 3432a2acad82SClemens Ladisch case UAC_VERSION_1: 3433a2acad82SClemens Ladisch default: 3434a2acad82SClemens Ladisch mixer->protocol = UAC_VERSION_1; 3435a2acad82SClemens Ladisch break; 3436a2acad82SClemens Ladisch case UAC_VERSION_2: 3437a2acad82SClemens Ladisch mixer->protocol = UAC_VERSION_2; 3438a2acad82SClemens Ladisch break; 34399a2fe9b8SRuslan Bilovol case UAC_VERSION_3: 34409a2fe9b8SRuslan Bilovol mixer->protocol = UAC_VERSION_3; 34419a2fe9b8SRuslan Bilovol break; 3442a2acad82SClemens Ladisch } 3443f0b5e634SDaniel Mack 344417156f23SRuslan Bilovol if (mixer->protocol == UAC_VERSION_3 && 344517156f23SRuslan Bilovol chip->badd_profile >= UAC3_FUNCTION_SUBCLASS_GENERIC_IO) { 3446f25ecf8fSTakashi Iwai err = snd_usb_mixer_controls_badd(mixer, ctrlif); 3447f25ecf8fSTakashi Iwai if (err < 0) 3448f0b5e634SDaniel Mack goto _error; 3449f25ecf8fSTakashi Iwai } else { 3450f25ecf8fSTakashi Iwai err = snd_usb_mixer_controls(mixer); 3451f25ecf8fSTakashi Iwai if (err < 0) 3452f25ecf8fSTakashi Iwai goto _error; 3453ad6baae6SJorge Sanjuan } 3454ad6baae6SJorge Sanjuan 3455f25ecf8fSTakashi Iwai err = snd_usb_mixer_status_create(mixer); 3456f25ecf8fSTakashi Iwai if (err < 0) 345717156f23SRuslan Bilovol goto _error; 3458ad6baae6SJorge Sanjuan 34594120fbedSTakashi Iwai err = create_keep_iface_ctl(mixer); 34604120fbedSTakashi Iwai if (err < 0) 34614120fbedSTakashi Iwai goto _error; 3462f0b5e634SDaniel Mack 3463328e9f69STakashi Iwai err = snd_usb_mixer_apply_create_quirk(mixer); 3464328e9f69STakashi Iwai if (err < 0) 3465328e9f69STakashi Iwai goto _error; 3466f0b5e634SDaniel Mack 34679cbb2808STakashi Iwai err = snd_device_new(chip->card, SNDRV_DEV_CODEC, mixer, &dev_ops); 3468f0b5e634SDaniel Mack if (err < 0) 3469f0b5e634SDaniel Mack goto _error; 3470f0b5e634SDaniel Mack 34717449054aSTakashi Iwai if (list_empty(&chip->mixer_list)) 34727449054aSTakashi Iwai snd_card_ro_proc_new(chip->card, "usbmixer", chip, 34737449054aSTakashi Iwai snd_usb_mixer_proc_read); 3474f0b5e634SDaniel Mack 3475f0b5e634SDaniel Mack list_add(&mixer->list, &chip->mixer_list); 3476f0b5e634SDaniel Mack return 0; 3477f0b5e634SDaniel Mack 3478f0b5e634SDaniel Mack _error: 3479f0b5e634SDaniel Mack snd_usb_mixer_free(mixer); 3480f0b5e634SDaniel Mack return err; 3481f0b5e634SDaniel Mack } 3482f0b5e634SDaniel Mack 3483a6cece9dSTakashi Iwai void snd_usb_mixer_disconnect(struct usb_mixer_interface *mixer) 3484f0b5e634SDaniel Mack { 3485124751d5STakashi Iwai if (mixer->disconnected) 3486124751d5STakashi Iwai return; 3487124751d5STakashi Iwai if (mixer->urb) 3488f0b5e634SDaniel Mack usb_kill_urb(mixer->urb); 3489124751d5STakashi Iwai if (mixer->rc_urb) 3490f0b5e634SDaniel Mack usb_kill_urb(mixer->rc_urb); 34919e4d5c1bSGeoffrey D. Bennett if (mixer->private_free) 34929e4d5c1bSGeoffrey D. Bennett mixer->private_free(mixer); 3493124751d5STakashi Iwai mixer->disconnected = true; 3494f0b5e634SDaniel Mack } 3495400362f1STakashi Iwai 3496400362f1STakashi Iwai #ifdef CONFIG_PM 3497400362f1STakashi Iwai /* stop any bus activity of a mixer */ 3498400362f1STakashi Iwai static void snd_usb_mixer_inactivate(struct usb_mixer_interface *mixer) 3499400362f1STakashi Iwai { 3500400362f1STakashi Iwai usb_kill_urb(mixer->urb); 3501400362f1STakashi Iwai usb_kill_urb(mixer->rc_urb); 3502400362f1STakashi Iwai } 3503400362f1STakashi Iwai 3504400362f1STakashi Iwai static int snd_usb_mixer_activate(struct usb_mixer_interface *mixer) 3505400362f1STakashi Iwai { 3506400362f1STakashi Iwai int err; 3507400362f1STakashi Iwai 3508400362f1STakashi Iwai if (mixer->urb) { 3509400362f1STakashi Iwai err = usb_submit_urb(mixer->urb, GFP_NOIO); 3510400362f1STakashi Iwai if (err < 0) 3511400362f1STakashi Iwai return err; 3512400362f1STakashi Iwai } 3513400362f1STakashi Iwai 3514400362f1STakashi Iwai return 0; 3515400362f1STakashi Iwai } 3516400362f1STakashi Iwai 3517400362f1STakashi Iwai int snd_usb_mixer_suspend(struct usb_mixer_interface *mixer) 3518400362f1STakashi Iwai { 3519400362f1STakashi Iwai snd_usb_mixer_inactivate(mixer); 35209e4d5c1bSGeoffrey D. Bennett if (mixer->private_suspend) 35219e4d5c1bSGeoffrey D. Bennett mixer->private_suspend(mixer); 3522400362f1STakashi Iwai return 0; 3523400362f1STakashi Iwai } 3524400362f1STakashi Iwai 35253360b84bSTakashi Iwai static int restore_mixer_value(struct usb_mixer_elem_list *list) 3526400362f1STakashi Iwai { 35278c558076STakashi Iwai struct usb_mixer_elem_info *cval = mixer_elem_list_to_info(list); 3528400362f1STakashi Iwai int c, err, idx; 3529400362f1STakashi Iwai 3530400362f1STakashi Iwai if (cval->cmask) { 3531400362f1STakashi Iwai idx = 0; 3532400362f1STakashi Iwai for (c = 0; c < MAX_CHANNELS; c++) { 3533400362f1STakashi Iwai if (!(cval->cmask & (1 << c))) 3534400362f1STakashi Iwai continue; 35356aa6925cSYao-Wen Mao if (cval->cached & (1 << (c + 1))) { 3536eef90451SChris J Arges err = snd_usb_set_cur_mix_value(cval, c + 1, idx, 3537400362f1STakashi Iwai cval->cache_val[idx]); 3538400362f1STakashi Iwai if (err < 0) 3539400362f1STakashi Iwai return err; 3540400362f1STakashi Iwai } 3541400362f1STakashi Iwai idx++; 3542400362f1STakashi Iwai } 3543400362f1STakashi Iwai } else { 3544400362f1STakashi Iwai /* master */ 3545400362f1STakashi Iwai if (cval->cached) { 3546eef90451SChris J Arges err = snd_usb_set_cur_mix_value(cval, 0, 0, *cval->cache_val); 3547400362f1STakashi Iwai if (err < 0) 3548400362f1STakashi Iwai return err; 3549400362f1STakashi Iwai } 3550400362f1STakashi Iwai } 3551400362f1STakashi Iwai 3552400362f1STakashi Iwai return 0; 3553400362f1STakashi Iwai } 3554400362f1STakashi Iwai 3555400362f1STakashi Iwai int snd_usb_mixer_resume(struct usb_mixer_interface *mixer, bool reset_resume) 3556400362f1STakashi Iwai { 35573360b84bSTakashi Iwai struct usb_mixer_elem_list *list; 3558400362f1STakashi Iwai int id, err; 3559400362f1STakashi Iwai 3560400362f1STakashi Iwai if (reset_resume) { 3561400362f1STakashi Iwai /* restore cached mixer values */ 3562400362f1STakashi Iwai for (id = 0; id < MAX_ID_ELEMS; id++) { 35638c558076STakashi Iwai for_each_mixer_elem(list, mixer, id) { 35643360b84bSTakashi Iwai if (list->resume) { 35653360b84bSTakashi Iwai err = list->resume(list); 3566400362f1STakashi Iwai if (err < 0) 3567400362f1STakashi Iwai return err; 3568400362f1STakashi Iwai } 3569400362f1STakashi Iwai } 3570400362f1STakashi Iwai } 35713360b84bSTakashi Iwai } 3572400362f1STakashi Iwai 3573964af639STakashi Iwai snd_usb_mixer_resume_quirk(mixer); 3574964af639STakashi Iwai 3575400362f1STakashi Iwai return snd_usb_mixer_activate(mixer); 3576400362f1STakashi Iwai } 3577400362f1STakashi Iwai #endif 35783360b84bSTakashi Iwai 35793360b84bSTakashi Iwai void snd_usb_mixer_elem_init_std(struct usb_mixer_elem_list *list, 35803360b84bSTakashi Iwai struct usb_mixer_interface *mixer, 35813360b84bSTakashi Iwai int unitid) 35823360b84bSTakashi Iwai { 35833360b84bSTakashi Iwai list->mixer = mixer; 35843360b84bSTakashi Iwai list->id = unitid; 35853360b84bSTakashi Iwai list->dump = snd_usb_mixer_dump_cval; 35863360b84bSTakashi Iwai #ifdef CONFIG_PM 35873360b84bSTakashi Iwai list->resume = restore_mixer_value; 35883360b84bSTakashi Iwai #endif 35893360b84bSTakashi Iwai } 3590