sound/pci/ac97/ac97_codec.c

Source file repositories/reference/linux-study-clean/sound/pci/ac97/ac97_codec.c

File Facts

System
Linux kernel
Corpus path
sound/pci/ac97/ac97_codec.c
Extension
.c
Size
95323 bytes
Lines
2997
Domain
Driver Families
Bucket
sound/pci
Inferred role
Driver Families: exported/initcall integration point
Status
integration implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

struct ac97_codec_id {
	unsigned int id;
	unsigned int mask;
	const char *name;
	int (*patch)(struct snd_ac97 *ac97);
	int (*mpatch)(struct snd_ac97 *ac97);
	unsigned int flags;
};

static const struct ac97_codec_id snd_ac97_codec_id_vendors[] = {
{ 0x41445300, 0xffffff00, "Analog Devices",	NULL,	NULL },
{ 0x414b4d00, 0xffffff00, "Asahi Kasei",	NULL,	NULL },
{ 0x414c4300, 0xffffff00, "Realtek",		NULL,	NULL },
{ 0x414c4700, 0xffffff00, "Realtek",		NULL,	NULL },
/*
 * This is an _inofficial_ Aztech Labs entry
 * (value might differ from unknown official Aztech ID),
 * currently used by the AC97 emulation of the almost-AC97 PCI168 card.
 */
{ 0x415a5400, 0xffffff00, "Aztech Labs (emulated)",	NULL,	NULL },
{ 0x434d4900, 0xffffff00, "C-Media Electronics", NULL,	NULL },
{ 0x43525900, 0xffffff00, "Cirrus Logic",	NULL,	NULL },
{ 0x43585400, 0xffffff00, "Conexant",           NULL,	NULL },
{ 0x44543000, 0xffffff00, "Diamond Technology", NULL,	NULL },
{ 0x454d4300, 0xffffff00, "eMicro",		NULL,	NULL },
{ 0x45838300, 0xffffff00, "ESS Technology",	NULL,	NULL },
{ 0x48525300, 0xffffff00, "Intersil",		NULL,	NULL },
{ 0x49434500, 0xffffff00, "ICEnsemble",		NULL,	NULL },
{ 0x49544500, 0xffffff00, "ITE Tech.Inc",	NULL,	NULL },
{ 0x4e534300, 0xffffff00, "National Semiconductor", NULL, NULL },
{ 0x50534300, 0xffffff00, "Philips",		NULL,	NULL },
{ 0x53494c00, 0xffffff00, "Silicon Laboratory",	NULL,	NULL },
{ 0x53544d00, 0xffffff00, "STMicroelectronics",	NULL,	NULL },
{ 0x54524100, 0xffffff00, "TriTech",		NULL,	NULL },
{ 0x54584e00, 0xffffff00, "Texas Instruments",	NULL,	NULL },
{ 0x56494100, 0xffffff00, "VIA Technologies",   NULL,	NULL },
{ 0x57454300, 0xffffff00, "Winbond",		NULL,	NULL },
{ 0x574d4c00, 0xffffff00, "Wolfson",		NULL,	NULL },
{ 0x594d4800, 0xffffff00, "Yamaha",		NULL,	NULL },
{ 0x83847600, 0xffffff00, "SigmaTel",		NULL,	NULL },
{ 0,	      0, 	  NULL,			NULL,	NULL }
};

static const struct ac97_codec_id snd_ac97_codec_ids[] = {
{ 0x41445303, 0xffffffff, "AD1819",		patch_ad1819,	NULL },
{ 0x41445340, 0xffffffff, "AD1881",		patch_ad1881,	NULL },
{ 0x41445348, 0xffffffff, "AD1881A",		patch_ad1881,	NULL },
{ 0x41445360, 0xffffffff, "AD1885",		patch_ad1885,	NULL },
{ 0x41445361, 0xffffffff, "AD1886",		patch_ad1886,	NULL },
{ 0x41445362, 0xffffffff, "AD1887",		patch_ad1881,	NULL },
{ 0x41445363, 0xffffffff, "AD1886A",		patch_ad1881,	NULL },
{ 0x41445368, 0xffffffff, "AD1888",		patch_ad1888,	NULL },
{ 0x41445370, 0xffffffff, "AD1980",		patch_ad1980,	NULL },
{ 0x41445372, 0xffffffff, "AD1981A",		patch_ad1981a,	NULL },
{ 0x41445374, 0xffffffff, "AD1981B",		patch_ad1981b,	NULL },
{ 0x41445375, 0xffffffff, "AD1985",		patch_ad1985,	NULL },
{ 0x41445378, 0xffffffff, "AD1986",		patch_ad1986,	NULL },
{ 0x414b4d00, 0xffffffff, "AK4540",		NULL,		NULL },
{ 0x414b4d01, 0xffffffff, "AK4542",		NULL,		NULL },
{ 0x414b4d02, 0xffffffff, "AK4543",		NULL,		NULL },
{ 0x414b4d06, 0xffffffff, "AK4544A",		NULL,		NULL },
{ 0x414b4d07, 0xffffffff, "AK4545",		NULL,		NULL },
{ 0x414c4300, 0xffffff00, "ALC100,100P", 	NULL,		NULL },
{ 0x414c4710, 0xfffffff0, "ALC200,200P",	NULL,		NULL },
{ 0x414c4721, 0xffffffff, "ALC650D",		NULL,	NULL }, /* already patched */
{ 0x414c4722, 0xffffffff, "ALC650E",		NULL,	NULL }, /* already patched */
{ 0x414c4723, 0xffffffff, "ALC650F",		NULL,	NULL }, /* already patched */
{ 0x414c4720, 0xfffffff0, "ALC650",		patch_alc650,	NULL },
{ 0x414c4730, 0xffffffff, "ALC101",		NULL,		NULL },
{ 0x414c4740, 0xfffffff0, "ALC202",		NULL,		NULL },
{ 0x414c4750, 0xfffffff0, "ALC250",		NULL,		NULL },
{ 0x414c4760, 0xfffffff0, "ALC655",		patch_alc655,	NULL },
{ 0x414c4770, 0xfffffff0, "ALC203",		patch_alc203,	NULL },
{ 0x414c4781, 0xffffffff, "ALC658D",		NULL,	NULL }, /* already patched */
{ 0x414c4780, 0xfffffff0, "ALC658",		patch_alc655,	NULL },
{ 0x414c4790, 0xfffffff0, "ALC850",		patch_alc850,	NULL },
{ 0x415a5401, 0xffffffff, "AZF3328",		patch_aztech_azf3328,	NULL },
{ 0x434d4941, 0xffffffff, "CMI9738",		patch_cm9738,	NULL },
{ 0x434d4961, 0xffffffff, "CMI9739",		patch_cm9739,	NULL },
{ 0x434d4969, 0xffffffff, "CMI9780",		patch_cm9780,	NULL },
{ 0x434d4978, 0xffffffff, "CMI9761A",		patch_cm9761,	NULL },
{ 0x434d4982, 0xffffffff, "CMI9761B",		patch_cm9761,	NULL },
{ 0x434d4983, 0xffffffff, "CMI9761A+",		patch_cm9761,	NULL },
{ 0x43525900, 0xfffffff8, "CS4297",		NULL,		NULL },
{ 0x43525910, 0xfffffff8, "CS4297A",		patch_cirrus_spdif,	NULL },
{ 0x43525920, 0xfffffff8, "CS4298",		patch_cirrus_spdif,		NULL },
{ 0x43525928, 0xfffffff8, "CS4294",		NULL,		NULL },
{ 0x43525930, 0xfffffff8, "CS4299",		patch_cirrus_cs4299,	NULL },
{ 0x43525948, 0xfffffff8, "CS4201",		NULL,		NULL },
{ 0x43525958, 0xfffffff8, "CS4205",		patch_cirrus_spdif,	NULL },

Annotation

Implementation Notes