Open Sound System
The Hitchhiker's Guide to OSS 4.1 Internals

Do you have problems with sound/audio application development? Don't panic! Click here for help!

oss_hdaudio/hdaudio.h

Common definitions for the hdaudio driver files

Description

This file is part of Open Sound System.

Copyright (C) 4Front Technologies 1996-2008.

This this source file is released under GPL v2 license (no other versions). See the COPYING file included in the main directory of this source distribution for the license terms and conditions.

#define HDA_GCAP	        0x00	/* Global Capabilities  */
#define HDA_VMIN 	        0x02	/* Minor Version */
#define HDA_VMAJ	        0x03	/* Major Version */
#define HDA_OUTPAY		0x04	/* Output Payload Capability */
#define HDA_INPAY 		0x06	/* Input Payload Capability */
#define HDA_GCTL	        0x08	/* Global Control */
#	define CRST			0x00000001	/* Controller reset */
#define HDA_WAKEEN 		0x0C	/* Wake Enable */
#define HDA_STATESTS		0x0E	/* Wake Status */
#define HDA_GSTST	        0x10	/* Global Status */
#define HDA_INTCTL 		0x20	/* Interrupt Control */
#define HDA_INTSTS 		0x24	/* Interrupt Status */
#define HDA_WCCNT	        0x30	/* Wall Clock Counter */
#define HDA_SSYNC	        0x38	/* Stream Synchronization */
#define HDA_CORBLBASE 		0x40	/* CORB Lower Base Address */
#define HDA_CORBUBASE		0x44	/* CORB Upper Base Address */
#define HDA_CORBWP 		0x48	/* CORB Write Pointer */
#define HDA_CORBRP 		0x4A	/* CORB Read Pointer */
#define HDA_CORBCTL		0x4C	/* CORB Control */
#define HDA_CORBSTS		0x4D	/* CORB Status */
#define HDA_CORBSIZE		0x4E	/* CORB Size */
#define HDA_RIRBLBASE 		0x50	/* RIRB Lower Base Address */
#define HDA_RIRBUBASE 		0x54	/* RIRB Upper Base Address */
#define HDA_RIRBWP		0x58	/* RIRB Write Pointer */
#define HDA_RINTCNT 		0x5A	/* Response Interrupt Count */
#define HDA_RIRBCTL 		0x5C	/* RIRB Control */
#define HDA_RIRBSTS 		0x5D	/* RIRB Status */
#define HDA_RIRBSIZE 		0x5E	/* RIRB Size */
#define HDA_IC		        0x60	/* Immediate Command Output Interface */
#define HDA_IR		        0x64	/* Immediate Command Input Interface */
#define HDA_IRS 		0x68	/* Immediate Command Status */
#define HDA_DPLBASE 		0x70	/* DMA Position Lower Base Address */
#define HDA_DPUBASE 		0x74	/* DMA Position Upper Base Address */

#define HDA_SD_CTL		0x0
#define HDA_SD_STS		0x3
#define HDA_SD_LPIB		0x4
#define HDA_SD_CBL		0x8
#define HDA_SD_LVI		0xC
#define HDA_SD_FIFOSIZE		0x10
#define HDA_SD_FORMAT		0x12
#define HDA_SD_BDLPL		0x18
#define HDA_SD_BDLPU		0x1C
#define HDA_SD_LPIBA		0x2004

#define HDA_SDI0CTL		0x80	/* Stream Descriptor Control */
#define HDA_SDI0STS 		0x83	/* Stream Descriptor Status */
#define HDA_SDI0LPIB 		0x84	/* Link Position in Current Buffer */
#define HDA_SDI0CBL		0x88	/* Cyclic Buffer Length */
#define HDA_SDI0LVI		0x8C	/* Last Valid Index */
#define HDA_SDI0FIFOSIZE        0x90	/* FIFO Size */
#define HDA_SDI0FORMAT		0x92	/* Format */
#define HDA_SDI0BDLPL		0x98	/* List Pointer - Lower */
#define HDA_SDI0BDLPU		0x9C	/* List Pointer - Upper */
#define HDA_SDI0LPIBA		0x2084	/* Link Posiiton in Buffer n Alias */

#define HDA_SDI1CTL		0xA0	/* Stream Descriptor Control */
#define HDA_SDI1STS 		0xA3	/* Stream Descriptor Status */
#define HDA_SDI1LPIB 		0xA4	/* Link Position in Current Buffer */
#define HDA_SDI1CBL		0xA8	/* Cyclic Buffer Length */
#define HDA_SDI1LVI		0xAC	/* Last Valid Index */
#define HDA_SDI1FIFOSIZE        0xB0	/* FIFO Size */
#define HDA_SDI1FORMAT		0xB2	/* Format */
#define HDA_SDI1BDLPL		0xB8	/* List Pointer - Lower */
#define HDA_SDI1BDLPU		0xBC	/* List Pointer - Upper */
#define HDA_SDI1LPIBA		0x20A4	/* Link Posiiton in Buffer n Alias */

#define HDA_SDI2CTL		0xC0	/* Stream Descriptor Control */
#define HDA_SDI2STS 		0xC3	/* Stream Descriptor Status */
#define HDA_SDI2LPIB 		0xC4	/* Link Position in Current Buffer */
#define HDA_SDI2CBL		0xC8	/* Cyclic Buffer Length */
#define HDA_SDI2LVI		0xCC	/* Last Valid Index */
#define HDA_SDI2FIFOSIZ		0xD0	/* FIFO Size */
#define HDA_SDI2FORMAT		0xD2	/* Format */
#define HDA_SDI2BDLPL		0xD8	/* List Pointer - Lower */
#define HDA_SDI2BDLPU		0xDC	/* List Pointer - Upper */
#define HDA_SDI2LPIBA		0x20D4	/* Link Posiiton in Buffer n Alias */

#define HDA_SDI3CTL		0xE0	/* Stream Descriptor Control */
#define HDA_SDI3STS 		0xE3	/* Stream Descriptor Status */
#define HDA_SDI3LPIB 		0xE4	/* Link Position in Current Buffer */
#define HDA_SDI3CBL		0xE8	/* Cyclic Buffer Length */
#define HDA_SDI3LVI		0xEC	/* Last Valid Index */
#define HDA_SDI3FIFOSIZE        0xF0	/* FIFO Size */
#define HDA_SDI3FORMAT		0xF2	/* Format */
#define HDA_SDI3BDLPL		0xF8	/* List Pointer - Lower */
#define HDA_SDI3BDLPU		0xFC	/* List Pointer - Upper */
#define HDA_SDI3LPIBA		0x20E4	/* Link Posiiton in Buffer n Alias */

#define HDA_SDO0CTL		0x100	/* Stream Descriptor Control */
#define HDA_SDO0STS 		0x103	/* Stream Descriptor Status */
#define HDA_SDO0LPIB 		0x104	/* Link Position in Current Buffer */
#define HDA_SDO0CBL		0x108	/* Cyclic Buffer Length */
#define HDA_SDO0LVI		0x10C	/* Last Valid Index */
#define HDA_SDO0FIFOSIZE        0x110	/* FIFO Size */
#define HDA_SDO0FORMAT		0x112	/* Format */
#define HDA_SDO0BDLPL		0x118	/* List Pointer - Lower */
#define HDA_SDO0BDLPU		0x11C	/* List Pointer - Upper */
#define HDA_SDO0LPIBA		0x2104	/* Link Posiiton in Buffer n Alias */

#define HDA_SDO1CTL		0x120	/* Stream Descriptor Control */
#define HDA_SDO1STS 		0x123	/* Stream Descriptor Status */
#define HDA_SDO1LPIB 		0x124	/* Link Position in Current Buffer */
#define HDA_SDO1CBL		0x128	/* Cyclic Buffer Length */
#define HDA_SDO1LVI		0x12C	/* Last Valid Index */
#define HDA_SDO1FIFOSIZE        0x130	/* FIFO Size */
#define HDA_SDO1FORMAT		0x132	/* Format */
#define HDA_SDO1BDLPL		0x138	/* List Pointer - Lower */
#define HDA_SDO1BDLPU		0x13C	/* List Pointer - Upper */
#define HDA_SDO1LPIBA		0x2124	/* Link Posiiton in Buffer n Alias */

#define HDA_SDO2CTL		0x140	/* Stream Descriptor Control */
#define HDA_SDO2STS 		0x143	/* Stream Descriptor Status */
#define HDA_SDO2LPIB 		0x144	/* Link Position in Current Buffer */
#define HDA_SDO2CBL		0x148	/* Cyclic Buffer Length */
#define HDA_SDO2LVI		0x14C	/* Last Valid Index */
#define HDA_SDO2FIFOSIZE        0x150	/* FIFO Size */
#define HDA_SDO2FORMAT		0x152	/* Format */
#define HDA_SDO2BDLPL		0x158	/* List Pointer - Lower */
#define HDA_SDO2BDLPU		0x15C	/* List Pointer - Upper */
#define HDA_SDO2LPIBA		0x2144	/* Link Posiiton in Buffer n Alias */

#define HDA_SDO3CTL		0x160	/* Stream Descriptor Control */
#define HDA_SDO3STS 		0x163	/* Stream Descriptor Status */
#define HDA_SDO3LPIB 		0x164	/* Link Position in Current Buffer */
#define HDA_SDO3CBL		0x168	/* Cyclic Buffer Length */
#define HDA_SDO3LVI		0x16C	/* Last Valid Index */
#define HDA_SDO3FIFOSIZE        0x170	/* FIFO Size */
#define HDA_SDO3FORMAT		0x172	/* Format */
#define HDA_SDO3BDLPL		0x178	/* List Pointer - Lower */
#define HDA_SDO3BDLPU		0x17C	/* List Pointer - Upper */

#define HWINFO_SIZE	256

Debugging ioctl calls


typedef struct
{
  int cad, wid;
  char name[32];
} hda_name_t;

typedef struct
{
  int cad, wid;
  char info[4000];
} hda_widget_info_t;

#define HDA_IOCTL_WRITE		__SIOWR('H', 0, int)
#define HDA_IOCTL_READ		__SIOWR('H', 1, int)
#define HDA_IOCTL_NAME		__SIOWR('H', 2, hda_name_t)
#define HDA_IOCTL_WIDGET	__SIOWR('H', 3, hda_widget_info_t)

Back to index OSS web site

Open Sound System The Hitchhiker's Guide to OSS 4.1 Internals

oss_hdaudio/hdaudio.h

Description

Open Sound System
The Hitchhiker's Guide to OSS 4.1 Internals