^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #include <linux/usb.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <linux/usb/audio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/usb/audio-v2.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/usb/audio-v3.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <sound/core.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <sound/pcm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include "usbaudio.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include "card.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include "quirks.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include "helper.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include "debug.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include "clock.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include "format.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) * parse the audio format type I descriptor
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) * and returns the corresponding pcm format
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) * @dev: usb device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) * @fp: audioformat record
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) * @format: the format tag (wFormatTag)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) * @fmt: the format type descriptor (v1/v2) or AudioStreaming descriptor (v3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) static u64 parse_audio_format_i_type(struct snd_usb_audio *chip,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) struct audioformat *fp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) u64 format, void *_fmt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) int sample_width, sample_bytes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) u64 pcm_formats = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) switch (fp->protocol) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) case UAC_VERSION_1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) default: {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) struct uac_format_type_i_discrete_descriptor *fmt = _fmt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) if (format >= 64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) return 0; /* invalid format */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) sample_width = fmt->bBitResolution;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) sample_bytes = fmt->bSubframeSize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) format = 1ULL << format;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) case UAC_VERSION_2: {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) struct uac_format_type_i_ext_descriptor *fmt = _fmt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) sample_width = fmt->bBitResolution;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) sample_bytes = fmt->bSubslotSize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) if (format & UAC2_FORMAT_TYPE_I_RAW_DATA) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) pcm_formats |= SNDRV_PCM_FMTBIT_SPECIAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) /* flag potentially raw DSD capable altsettings */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) fp->dsd_raw = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) format <<= 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) case UAC_VERSION_3: {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) struct uac3_as_header_descriptor *as = _fmt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) sample_width = as->bBitResolution;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) sample_bytes = as->bSubslotSize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) if (format & UAC3_FORMAT_TYPE_I_RAW_DATA)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) pcm_formats |= SNDRV_PCM_FMTBIT_SPECIAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) format <<= 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) fp->fmt_bits = sample_width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) if ((pcm_formats == 0) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) (format == 0 || format == (1 << UAC_FORMAT_TYPE_I_UNDEFINED))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) /* some devices don't define this correctly... */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) usb_audio_info(chip, "%u:%d : format type 0 is detected, processed as PCM\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) fp->iface, fp->altsetting);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) format = 1 << UAC_FORMAT_TYPE_I_PCM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) if (format & (1 << UAC_FORMAT_TYPE_I_PCM)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) if (((chip->usb_id == USB_ID(0x0582, 0x0016)) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) /* Edirol SD-90 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) (chip->usb_id == USB_ID(0x0582, 0x000c))) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) /* Roland SC-D70 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) sample_width == 24 && sample_bytes == 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) sample_bytes = 3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) else if (sample_width > sample_bytes * 8) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) usb_audio_info(chip, "%u:%d : sample bitwidth %d in over sample bytes %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) fp->iface, fp->altsetting,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) sample_width, sample_bytes);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) /* check the format byte size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) switch (sample_bytes) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) case 1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) pcm_formats |= SNDRV_PCM_FMTBIT_S8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) case 2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) if (snd_usb_is_big_endian_format(chip, fp))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) pcm_formats |= SNDRV_PCM_FMTBIT_S16_BE; /* grrr, big endian!! */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) pcm_formats |= SNDRV_PCM_FMTBIT_S16_LE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) case 3:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) if (snd_usb_is_big_endian_format(chip, fp))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) pcm_formats |= SNDRV_PCM_FMTBIT_S24_3BE; /* grrr, big endian!! */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) pcm_formats |= SNDRV_PCM_FMTBIT_S24_3LE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) case 4:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) pcm_formats |= SNDRV_PCM_FMTBIT_S32_LE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) usb_audio_info(chip,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) "%u:%d : unsupported sample bitwidth %d in %d bytes\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) fp->iface, fp->altsetting,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) sample_width, sample_bytes);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) if (format & (1 << UAC_FORMAT_TYPE_I_PCM8)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) /* Dallas DS4201 workaround: it advertises U8 format, but really
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) supports S8. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) if (chip->usb_id == USB_ID(0x04fa, 0x4201))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) pcm_formats |= SNDRV_PCM_FMTBIT_S8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) pcm_formats |= SNDRV_PCM_FMTBIT_U8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) if (format & (1 << UAC_FORMAT_TYPE_I_IEEE_FLOAT)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) pcm_formats |= SNDRV_PCM_FMTBIT_FLOAT_LE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) if (format & (1 << UAC_FORMAT_TYPE_I_ALAW)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) pcm_formats |= SNDRV_PCM_FMTBIT_A_LAW;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) if (format & (1 << UAC_FORMAT_TYPE_I_MULAW)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) pcm_formats |= SNDRV_PCM_FMTBIT_MU_LAW;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) if (format & ~0x3f) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) usb_audio_info(chip,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) "%u:%d : unsupported format bits %#llx\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) fp->iface, fp->altsetting, format);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) pcm_formats |= snd_usb_interface_dsd_format_quirks(chip, fp, sample_bytes);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) return pcm_formats;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) static int set_fixed_rate(struct audioformat *fp, int rate, int rate_bits)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) kfree(fp->rate_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) fp->rate_table = kmalloc(sizeof(int), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) if (!fp->rate_table)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) fp->nr_rates = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) fp->rate_min = rate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) fp->rate_max = rate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) fp->rates = rate_bits;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) fp->rate_table[0] = rate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) * parse the format descriptor and stores the possible sample rates
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) * on the audioformat table (audio class v1).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) * @dev: usb device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) * @fp: audioformat record
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) * @fmt: the format descriptor
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) * @offset: the start offset of descriptor pointing the rate type
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) * (7 for type I and II, 8 for type II)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) static int parse_audio_format_rates_v1(struct snd_usb_audio *chip, struct audioformat *fp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) unsigned char *fmt, int offset)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) int nr_rates = fmt[offset];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) if (fmt[0] < offset + 1 + 3 * (nr_rates ? nr_rates : 2)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) usb_audio_err(chip,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) "%u:%d : invalid UAC_FORMAT_TYPE desc\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) fp->iface, fp->altsetting);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) if (nr_rates) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) * build the rate table and bitmap flags
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) int r, idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) fp->rate_table = kmalloc_array(nr_rates, sizeof(int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) if (fp->rate_table == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) fp->nr_rates = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) fp->rate_min = fp->rate_max = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) for (r = 0, idx = offset + 1; r < nr_rates; r++, idx += 3) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) unsigned int rate = combine_triple(&fmt[idx]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) if (!rate)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) /* C-Media CM6501 mislabels its 96 kHz altsetting */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) /* Terratec Aureon 7.1 USB C-Media 6206, too */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) /* Ozone Z90 USB C-Media, too */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) if (rate == 48000 && nr_rates == 1 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) (chip->usb_id == USB_ID(0x0d8c, 0x0201) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) chip->usb_id == USB_ID(0x0d8c, 0x0102) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) chip->usb_id == USB_ID(0x0d8c, 0x0078) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) chip->usb_id == USB_ID(0x0ccd, 0x00b1)) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) fp->altsetting == 5 && fp->maxpacksize == 392)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) rate = 96000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) /* Creative VF0420/VF0470 Live Cams report 16 kHz instead of 8kHz */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) if (rate == 16000 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) (chip->usb_id == USB_ID(0x041e, 0x4064) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) chip->usb_id == USB_ID(0x041e, 0x4068)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) rate = 8000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) fp->rate_table[fp->nr_rates] = rate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) if (!fp->rate_min || rate < fp->rate_min)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) fp->rate_min = rate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) if (!fp->rate_max || rate > fp->rate_max)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) fp->rate_max = rate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) fp->rates |= snd_pcm_rate_to_rate_bit(rate);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) fp->nr_rates++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) if (!fp->nr_rates) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) hwc_debug("All rates were zero. Skipping format!\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) /* continuous rates */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) fp->rates = SNDRV_PCM_RATE_CONTINUOUS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) fp->rate_min = combine_triple(&fmt[offset + 1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) fp->rate_max = combine_triple(&fmt[offset + 4]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) /* Jabra Evolve 65 headset */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) if (chip->usb_id == USB_ID(0x0b0e, 0x030b)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) /* only 48kHz for playback while keeping 16kHz for capture */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) if (fp->nr_rates != 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) return set_fixed_rate(fp, 48000, SNDRV_PCM_RATE_48000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) * Presonus Studio 1810c supports a limited set of sampling
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) * rates per altsetting but reports the full set each time.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) * If we don't filter out the unsupported rates and attempt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) * to configure the card, it will hang refusing to do any
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) * further audio I/O until a hard reset is performed.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) * The list of supported rates per altsetting (set of available
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) * I/O channels) is described in the owner's manual, section 2.2.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) static bool s1810c_valid_sample_rate(struct audioformat *fp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) unsigned int rate)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) switch (fp->altsetting) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) case 1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) /* All ADAT ports available */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) return rate <= 48000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) case 2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) /* Half of ADAT ports available */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) return (rate == 88200 || rate == 96000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) case 3:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) /* Analog I/O only (no S/PDIF nor ADAT) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) return rate >= 176400;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) * Many Focusrite devices supports a limited set of sampling rates per
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) * altsetting. Maximum rate is exposed in the last 4 bytes of Format Type
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) * descriptor which has a non-standard bLength = 10.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) static bool focusrite_valid_sample_rate(struct snd_usb_audio *chip,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) struct audioformat *fp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) unsigned int rate)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) struct usb_interface *iface;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) struct usb_host_interface *alts;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) unsigned char *fmt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) unsigned int max_rate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) iface = usb_ifnum_to_if(chip->dev, fp->iface);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) if (!iface)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) alts = &iface->altsetting[fp->altset_idx];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) fmt = snd_usb_find_csint_desc(alts->extra, alts->extralen,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) NULL, UAC_FORMAT_TYPE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) if (!fmt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) if (fmt[0] == 10) { /* bLength */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) max_rate = combine_quad(&fmt[6]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) /* Validate max rate */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) if (max_rate != 48000 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) max_rate != 96000 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) max_rate != 192000 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) max_rate != 384000) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) usb_audio_info(chip,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) "%u:%d : unexpected max rate: %u\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) fp->iface, fp->altsetting, max_rate);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) return rate <= max_rate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) * Helper function to walk the array of sample rate triplets reported by
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) * the device. The problem is that we need to parse whole array first to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) * get to know how many sample rates we have to expect.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) * Then fp->rate_table can be allocated and filled.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) static int parse_uac2_sample_rate_range(struct snd_usb_audio *chip,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) struct audioformat *fp, int nr_triplets,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) const unsigned char *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) int i, nr_rates = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) fp->rates = fp->rate_min = fp->rate_max = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) for (i = 0; i < nr_triplets; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) int min = combine_quad(&data[2 + 12 * i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) int max = combine_quad(&data[6 + 12 * i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) int res = combine_quad(&data[10 + 12 * i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) unsigned int rate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) if ((max < 0) || (min < 0) || (res < 0) || (max < min))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) * for ranges with res == 1, we announce a continuous sample
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) * rate range, and this function should return 0 for no further
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) * parsing.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) if (res == 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) fp->rate_min = min;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) fp->rate_max = max;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) fp->rates = SNDRV_PCM_RATE_CONTINUOUS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) for (rate = min; rate <= max; rate += res) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) /* Filter out invalid rates on Presonus Studio 1810c */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) if (chip->usb_id == USB_ID(0x194f, 0x010c) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) !s1810c_valid_sample_rate(fp, rate))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) goto skip_rate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) /* Filter out invalid rates on Focusrite devices */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) if (USB_ID_VENDOR(chip->usb_id) == 0x1235 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) !focusrite_valid_sample_rate(chip, fp, rate))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) goto skip_rate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) if (fp->rate_table)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) fp->rate_table[nr_rates] = rate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) if (!fp->rate_min || rate < fp->rate_min)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) fp->rate_min = rate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) if (!fp->rate_max || rate > fp->rate_max)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) fp->rate_max = rate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) fp->rates |= snd_pcm_rate_to_rate_bit(rate);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) nr_rates++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) if (nr_rates >= MAX_NR_RATES) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) usb_audio_err(chip, "invalid uac2 rates\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) skip_rate:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) /* avoid endless loop */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) if (res == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) return nr_rates;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) /* Line6 Helix series and the Rode Rodecaster Pro don't support the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) * UAC2_CS_RANGE usb function call. Return a static table of known
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) * clock rates.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) static int line6_parse_audio_format_rates_quirk(struct snd_usb_audio *chip,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) struct audioformat *fp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) switch (chip->usb_id) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) case USB_ID(0x0e41, 0x4241): /* Line6 Helix */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) case USB_ID(0x0e41, 0x4242): /* Line6 Helix Rack */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) case USB_ID(0x0e41, 0x4244): /* Line6 Helix LT */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) case USB_ID(0x0e41, 0x4246): /* Line6 HX-Stomp */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) case USB_ID(0x0e41, 0x4253): /* Line6 HX-Stomp XL */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) case USB_ID(0x0e41, 0x4247): /* Line6 Pod Go */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) case USB_ID(0x0e41, 0x4248): /* Line6 Helix >= fw 2.82 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) case USB_ID(0x0e41, 0x4249): /* Line6 Helix Rack >= fw 2.82 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) case USB_ID(0x0e41, 0x424a): /* Line6 Helix LT >= fw 2.82 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) case USB_ID(0x19f7, 0x0011): /* Rode Rodecaster Pro */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) return set_fixed_rate(fp, 48000, SNDRV_PCM_RATE_48000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) * parse the format descriptor and stores the possible sample rates
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) * on the audioformat table (audio class v2 and v3).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) static int parse_audio_format_rates_v2v3(struct snd_usb_audio *chip,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) struct audioformat *fp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) struct usb_device *dev = chip->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) unsigned char tmp[2], *data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) int nr_triplets, data_size, ret = 0, ret_l6;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) int clock = snd_usb_clock_find_source(chip, fp, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) if (clock < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) dev_err(&dev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) "%s(): unable to find clock source (clock %d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) __func__, clock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) /* get the number of sample rates first by only fetching 2 bytes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) ret = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), UAC2_CS_RANGE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) UAC2_CS_CONTROL_SAM_FREQ << 8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) snd_usb_ctrl_intf(chip) | (clock << 8),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) tmp, sizeof(tmp));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) /* line6 helix devices don't support UAC2_CS_CONTROL_SAM_FREQ call */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) ret_l6 = line6_parse_audio_format_rates_quirk(chip, fp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) if (ret_l6 == -ENODEV) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) /* no line6 device found continue showing the error */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) dev_err(&dev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) "%s(): unable to retrieve number of sample rates (clock %d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) __func__, clock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) if (ret_l6 == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) dev_info(&dev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) "%s(): unable to retrieve number of sample rates: set it to a predefined value (clock %d).\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) __func__, clock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) ret = ret_l6;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) nr_triplets = (tmp[1] << 8) | tmp[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) data_size = 2 + 12 * nr_triplets;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) data = kzalloc(data_size, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) if (!data) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) ret = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) /* now get the full information */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) ret = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), UAC2_CS_RANGE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) UAC2_CS_CONTROL_SAM_FREQ << 8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) snd_usb_ctrl_intf(chip) | (clock << 8),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) data, data_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) dev_err(&dev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) "%s(): unable to retrieve sample rate range (clock %d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) __func__, clock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) goto err_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) /* Call the triplet parser, and make sure fp->rate_table is NULL.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) * We just use the return value to know how many sample rates we
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) * will have to deal with. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) kfree(fp->rate_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) fp->rate_table = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) fp->nr_rates = parse_uac2_sample_rate_range(chip, fp, nr_triplets, data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) if (fp->nr_rates == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) /* SNDRV_PCM_RATE_CONTINUOUS */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) goto err_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) fp->rate_table = kmalloc_array(fp->nr_rates, sizeof(int), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) if (!fp->rate_table) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) ret = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) goto err_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) /* Call the triplet parser again, but this time, fp->rate_table is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) * allocated, so the rates will be stored */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) parse_uac2_sample_rate_range(chip, fp, nr_triplets, data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) err_free:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) kfree(data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) err:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) * parse the format type I and III descriptors
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) static int parse_audio_format_i(struct snd_usb_audio *chip,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) struct audioformat *fp, u64 format,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) void *_fmt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) snd_pcm_format_t pcm_format;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) unsigned int fmt_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) switch (fp->protocol) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) case UAC_VERSION_1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) case UAC_VERSION_2: {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) struct uac_format_type_i_continuous_descriptor *fmt = _fmt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) fmt_type = fmt->bFormatType;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) case UAC_VERSION_3: {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) /* fp->fmt_type is already set in this case */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) fmt_type = fp->fmt_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) if (fmt_type == UAC_FORMAT_TYPE_III) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) /* FIXME: the format type is really IECxxx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) * but we give normal PCM format to get the existing
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) * apps working...
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) switch (chip->usb_id) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) case USB_ID(0x0763, 0x2003): /* M-Audio Audiophile USB */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) if (chip->setup == 0x00 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) fp->altsetting == 6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) pcm_format = SNDRV_PCM_FORMAT_S16_BE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) pcm_format = SNDRV_PCM_FORMAT_S16_LE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) pcm_format = SNDRV_PCM_FORMAT_S16_LE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) fp->formats = pcm_format_to_bits(pcm_format);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) fp->formats = parse_audio_format_i_type(chip, fp, format, _fmt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) if (!fp->formats)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) /* gather possible sample rates */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) /* audio class v1 reports possible sample rates as part of the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) * proprietary class specific descriptor.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) * audio class v2 uses class specific EP0 range requests for that.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) switch (fp->protocol) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) case UAC_VERSION_1: {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) struct uac_format_type_i_continuous_descriptor *fmt = _fmt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) fp->channels = fmt->bNrChannels;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) ret = parse_audio_format_rates_v1(chip, fp, (unsigned char *) fmt, 7);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) case UAC_VERSION_2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) case UAC_VERSION_3: {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) /* fp->channels is already set in this case */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) ret = parse_audio_format_rates_v2v3(chip, fp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) if (fp->channels < 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) usb_audio_err(chip,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) "%u:%d : invalid channels %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) fp->iface, fp->altsetting, fp->channels);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) * parse the format type II descriptor
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) static int parse_audio_format_ii(struct snd_usb_audio *chip,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) struct audioformat *fp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) u64 format, void *_fmt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) int brate, framesize, ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) switch (format) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) case UAC_FORMAT_TYPE_II_AC3:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) /* FIXME: there is no AC3 format defined yet */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) // fp->formats = SNDRV_PCM_FMTBIT_AC3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) fp->formats = SNDRV_PCM_FMTBIT_U8; /* temporary hack to receive byte streams */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) case UAC_FORMAT_TYPE_II_MPEG:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) fp->formats = SNDRV_PCM_FMTBIT_MPEG;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) usb_audio_info(chip,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) "%u:%d : unknown format tag %#llx is detected. processed as MPEG.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) fp->iface, fp->altsetting, format);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) fp->formats = SNDRV_PCM_FMTBIT_MPEG;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) fp->channels = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) switch (fp->protocol) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) case UAC_VERSION_1: {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) struct uac_format_type_ii_discrete_descriptor *fmt = _fmt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) brate = le16_to_cpu(fmt->wMaxBitRate);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) framesize = le16_to_cpu(fmt->wSamplesPerFrame);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) usb_audio_info(chip, "found format II with max.bitrate = %d, frame size=%d\n", brate, framesize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) fp->frame_size = framesize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) ret = parse_audio_format_rates_v1(chip, fp, _fmt, 8); /* fmt[8..] sample rates */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) case UAC_VERSION_2: {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) struct uac_format_type_ii_ext_descriptor *fmt = _fmt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) brate = le16_to_cpu(fmt->wMaxBitRate);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) framesize = le16_to_cpu(fmt->wSamplesPerFrame);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) usb_audio_info(chip, "found format II with max.bitrate = %d, frame size=%d\n", brate, framesize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) fp->frame_size = framesize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) ret = parse_audio_format_rates_v2v3(chip, fp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) int snd_usb_parse_audio_format(struct snd_usb_audio *chip,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) struct audioformat *fp, u64 format,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) struct uac_format_type_i_continuous_descriptor *fmt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) int stream)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) switch (fmt->bFormatType) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) case UAC_FORMAT_TYPE_I:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) case UAC_FORMAT_TYPE_III:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) err = parse_audio_format_i(chip, fp, format, fmt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) case UAC_FORMAT_TYPE_II:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) err = parse_audio_format_ii(chip, fp, format, fmt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) usb_audio_info(chip,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676) "%u:%d : format type %d is not supported yet\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) fp->iface, fp->altsetting,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) fmt->bFormatType);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) return -ENOTSUPP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) fp->fmt_type = fmt->bFormatType;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) if (err < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684) #if 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) /* FIXME: temporary hack for extigy/audigy 2 nx/zs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686) /* extigy apparently supports sample rates other than 48k
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) * but not in ordinary way. so we enable only 48k atm.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) if (chip->usb_id == USB_ID(0x041e, 0x3000) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) chip->usb_id == USB_ID(0x041e, 0x3020) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) chip->usb_id == USB_ID(0x041e, 0x3061)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692) if (fmt->bFormatType == UAC_FORMAT_TYPE_I &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) fp->rates != SNDRV_PCM_RATE_48000 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694) fp->rates != SNDRV_PCM_RATE_96000)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695) return -ENOTSUPP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701) int snd_usb_parse_audio_format_v3(struct snd_usb_audio *chip,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702) struct audioformat *fp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703) struct uac3_as_header_descriptor *as,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704) int stream)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706) u64 format = le64_to_cpu(as->bmFormats);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710) * Type I format bits are D0..D6
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711) * This test works because type IV is not supported
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713) if (format & 0x7f)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714) fp->fmt_type = UAC_FORMAT_TYPE_I;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716) fp->fmt_type = UAC_FORMAT_TYPE_III;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718) err = parse_audio_format_i(chip, fp, format, as);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719) if (err < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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