include/sound/ac97/regs.h

Source file repositories/reference/linux-study-clean/include/sound/ac97/regs.h

File Facts

System: Linux kernel
Corpus path: include/sound/ac97/regs.h
Extension: .h
Size: 12640 bytes
Lines: 247
Domain: Driver Families
Bucket: include/sound
Inferred role: Driver Families: implementation source
Status: source 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.

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

No C-style include directives detected by the generator.

Detected Declarations

No top-level syscall, struct, function, initcall, or export declaration detected by the generator.

Annotated Snippet

#define AC97_RESET		0x00	/* Reset */
#define AC97_MASTER		0x02	/* Master Volume */
#define AC97_HEADPHONE		0x04	/* Headphone Volume (optional) */
#define AC97_MASTER_MONO	0x06	/* Master Volume Mono (optional) */
#define AC97_MASTER_TONE	0x08	/* Master Tone (Bass & Treble) (optional) */
#define AC97_PC_BEEP		0x0a	/* PC Beep Volume (optional) */
#define AC97_PHONE		0x0c	/* Phone Volume (optional) */
#define AC97_MIC		0x0e	/* MIC Volume */
#define AC97_LINE		0x10	/* Line In Volume */
#define AC97_CD			0x12	/* CD Volume */
#define AC97_VIDEO		0x14	/* Video Volume (optional) */
#define AC97_AUX		0x16	/* AUX Volume (optional) */
#define AC97_PCM		0x18	/* PCM Volume */
#define AC97_REC_SEL		0x1a	/* Record Select */
#define AC97_REC_GAIN		0x1c	/* Record Gain */
#define AC97_REC_GAIN_MIC	0x1e	/* Record Gain MIC (optional) */
#define AC97_GENERAL_PURPOSE	0x20	/* General Purpose (optional) */
#define AC97_3D_CONTROL		0x22	/* 3D Control (optional) */
#define AC97_INT_PAGING		0x24	/* Audio Interrupt & Paging (AC'97 2.3) */
#define AC97_POWERDOWN		0x26	/* Powerdown control / status */
/* range 0x28-0x3a - AUDIO AC'97 2.0 extensions */
#define AC97_EXTENDED_ID	0x28	/* Extended Audio ID */
#define AC97_EXTENDED_STATUS	0x2a	/* Extended Audio Status and Control */
#define AC97_PCM_FRONT_DAC_RATE 0x2c	/* PCM Front DAC Rate */
#define AC97_PCM_SURR_DAC_RATE	0x2e	/* PCM Surround DAC Rate */
#define AC97_PCM_LFE_DAC_RATE	0x30	/* PCM LFE DAC Rate */
#define AC97_PCM_LR_ADC_RATE	0x32	/* PCM LR ADC Rate */
#define AC97_PCM_MIC_ADC_RATE	0x34	/* PCM MIC ADC Rate */
#define AC97_CENTER_LFE_MASTER	0x36	/* Center + LFE Master Volume */
#define AC97_SURROUND_MASTER	0x38	/* Surround (Rear) Master Volume */
#define AC97_SPDIF		0x3a	/* S/PDIF control */
/* range 0x3c-0x58 - MODEM */
#define AC97_EXTENDED_MID	0x3c	/* Extended Modem ID */
#define AC97_EXTENDED_MSTATUS	0x3e	/* Extended Modem Status and Control */
#define AC97_LINE1_RATE		0x40	/* Line1 DAC/ADC Rate */
#define AC97_LINE2_RATE		0x42	/* Line2 DAC/ADC Rate */
#define AC97_HANDSET_RATE	0x44	/* Handset DAC/ADC Rate */
#define AC97_LINE1_LEVEL	0x46	/* Line1 DAC/ADC Level */
#define AC97_LINE2_LEVEL	0x48	/* Line2 DAC/ADC Level */
#define AC97_HANDSET_LEVEL	0x4a	/* Handset DAC/ADC Level */
#define AC97_GPIO_CFG		0x4c	/* GPIO Configuration */
#define AC97_GPIO_POLARITY	0x4e	/* GPIO Pin Polarity/Type, 0=low, 1=high active */
#define AC97_GPIO_STICKY	0x50	/* GPIO Pin Sticky, 0=not, 1=sticky */
#define AC97_GPIO_WAKEUP	0x52	/* GPIO Pin Wakeup, 0=no int, 1=yes int */
#define AC97_GPIO_STATUS	0x54	/* GPIO Pin Status, slot 12 */
#define AC97_MISC_AFE		0x56	/* Miscellaneous Modem AFE Status and Control */
/* range 0x5a-0x7b - Vendor Specific */
#define AC97_VENDOR_ID1		0x7c	/* Vendor ID1 */
#define AC97_VENDOR_ID2		0x7e	/* Vendor ID2 / revision */
/* range 0x60-0x6f (page 1) - extended codec registers */
#define AC97_CODEC_CLASS_REV	0x60	/* Codec Class/Revision */
#define AC97_PCI_SVID		0x62	/* PCI Subsystem Vendor ID */
#define AC97_PCI_SID		0x64	/* PCI Subsystem ID */
#define AC97_FUNC_SELECT	0x66	/* Function Select */
#define AC97_FUNC_INFO		0x68	/* Function Information */
#define AC97_SENSE_INFO		0x6a	/* Sense Details */

/* volume controls */
#define AC97_MUTE_MASK_MONO	0x8000
#define AC97_MUTE_MASK_STEREO	0x8080

/* slot allocation */
#define AC97_SLOT_TAG		0
#define AC97_SLOT_CMD_ADDR	1
#define AC97_SLOT_CMD_DATA	2
#define AC97_SLOT_PCM_LEFT	3
#define AC97_SLOT_PCM_RIGHT	4
#define AC97_SLOT_MODEM_LINE1	5
#define AC97_SLOT_PCM_CENTER	6
#define AC97_SLOT_MIC		6	/* input */
#define AC97_SLOT_SPDIF_LEFT1	6
#define AC97_SLOT_PCM_SLEFT	7	/* surround left */
#define AC97_SLOT_PCM_LEFT_0	7	/* double rate operation */
#define AC97_SLOT_SPDIF_LEFT	7
#define AC97_SLOT_PCM_SRIGHT	8	/* surround right */
#define AC97_SLOT_PCM_RIGHT_0	8	/* double rate operation */
#define AC97_SLOT_SPDIF_RIGHT	8
#define AC97_SLOT_LFE		9
#define AC97_SLOT_SPDIF_RIGHT1	9
#define AC97_SLOT_MODEM_LINE2	10
#define AC97_SLOT_PCM_LEFT_1	10	/* double rate operation */
#define AC97_SLOT_SPDIF_LEFT2	10
#define AC97_SLOT_HANDSET	11	/* output */
#define AC97_SLOT_PCM_RIGHT_1	11	/* double rate operation */
#define AC97_SLOT_SPDIF_RIGHT2	11
#define AC97_SLOT_MODEM_GPIO	12	/* modem GPIO */
#define AC97_SLOT_PCM_CENTER_1	12	/* double rate operation */

/* basic capabilities (reset register) */
#define AC97_BC_DEDICATED_MIC	0x0001	/* Dedicated Mic PCM In Channel */

Annotation

Atlas domain: Driver Families / include/sound.
Implementation status: source implementation candidate.

Implementation Notes

This generated page is the file-by-file coverage layer; curated subsystem chapters should link here when they synthesize a multi-file control flow.
Core OS pages should be promoted from atlas-only to deep-reviewed when they explain data structures, invariants, locking, lifecycle, and C implementation snippets.
Driver-family pages are intentionally pattern-oriented unless they are part of the selected PCIe/NVMe representative device path.