21 #include "format.h"
24  * parse the audio format type I descriptor
25  * and returns the corresponding pcm format
29  * @format: the format tag (wFormatTag)
30  * @fmt: the format type descriptor (v1/v2) or AudioStreaming descriptor (v3)
34 				     u64 format, void *_fmt)  in parse_audio_format_i_type()  argument
45 		format = 1ULL << format;  in parse_audio_format_i_type()
54 		if (format & UAC2_FORMAT_TYPE_I_RAW_DATA) {  in parse_audio_format_i_type()
60 		format <<= 1;  in parse_audio_format_i_type()
69 		if (format & UAC3_FORMAT_TYPE_I_RAW_DATA)  in parse_audio_format_i_type()
72 		format <<= 1;  in parse_audio_format_i_type()
80 	    (format == 0 || format == (1 << UAC_FORMAT_TYPE_I_UNDEFINED))) {  in parse_audio_format_i_type()
82 		usb_audio_info(chip, "%u:%d : format type 0 is detected, processed as PCM\n",  in parse_audio_format_i_type()
84 		format = 1 << UAC_FORMAT_TYPE_I_PCM;  in parse_audio_format_i_type()
86 	if (format & (1 << UAC_FORMAT_TYPE_I_PCM)) {  in parse_audio_format_i_type()
98 		/* check the format byte size */  in parse_audio_format_i_type()
126 	if (format & (1 << UAC_FORMAT_TYPE_I_PCM8)) {  in parse_audio_format_i_type()
127 		/* Dallas DS4201 workaround: it advertises U8 format, but really  in parse_audio_format_i_type()
134 	if (format & (1 << UAC_FORMAT_TYPE_I_IEEE_FLOAT)) {  in parse_audio_format_i_type()
137 	if (format & (1 << UAC_FORMAT_TYPE_I_ALAW)) {  in parse_audio_format_i_type()
140 	if (format & (1 << UAC_FORMAT_TYPE_I_MULAW)) {  in parse_audio_format_i_type()
143 	if (format & ~0x3f) {  in parse_audio_format_i_type()
145 			 "%u:%d : unsupported format bits %#llx\n",  in parse_audio_format_i_type()
146 			 fp->iface, fp->altsetting, format);  in parse_audio_format_i_type()
156  * parse the format descriptor and stores the possible sample rates
161  * @fmt: the format descriptor
217 			hwc_debug("All rates were zero. Skipping format!\n");  in parse_audio_format_rates_v1()
316  * parse the format descriptor and stores the possible sample rates
415  * parse the format type I and III descriptors
418 				struct audioformat *fp, u64 format,  in parse_audio_format_i()  argument
442 		/* FIXME: the format type is really IECxxx  in parse_audio_format_i()
443 		 *        but we give normal PCM format to get the existing  in parse_audio_format_i()
460 		fp->formats = parse_audio_format_i_type(chip, fp, format, _fmt);  in parse_audio_format_i()
498  * parse the format type II descriptor
502 				 u64 format, void *_fmt)  in parse_audio_format_ii()  argument
506 	switch (format) {  in parse_audio_format_ii()
508 		/* FIXME: there is no AC3 format defined yet */  in parse_audio_format_ii()
517 			 "%u:%d : unknown format tag %#llx is detected.  processed as MPEG.\n",  in parse_audio_format_ii()
518 			 fp->iface, fp->altsetting, format);  in parse_audio_format_ii()
531 		usb_audio_info(chip, "found format II with max.bitrate = %d, frame size=%d\n", brate, framesize);  in parse_audio_format_ii()
540 		usb_audio_info(chip, "found format II with max.bitrate = %d, frame size=%d\n", brate, framesize);  in parse_audio_format_ii()
551 			       struct audioformat *fp, u64 format,  in snd_usb_parse_audio_format()  argument
560 		err = parse_audio_format_i(chip, fp, format, fmt);  in snd_usb_parse_audio_format()
563 		err = parse_audio_format_ii(chip, fp, format, fmt);  in snd_usb_parse_audio_format()
567 			 "%u:%d : format type %d is not supported yet\n",  in snd_usb_parse_audio_format()
597 	u64 format = le64_to_cpu(as->bmFormats);  in snd_usb_parse_audio_format_v3()  local
601 	 * Type I format bits are D0..D6  in snd_usb_parse_audio_format_v3()
604 	if (format & 0x7f)  in snd_usb_parse_audio_format_v3()
609 	err = parse_audio_format_i(chip, fp, format, as);  in snd_usb_parse_audio_format_v3()