include/sound/emu8000_reg.h

Source file repositories/reference/linux-study-clean/include/sound/emu8000_reg.h

File Facts

System
Linux kernel
Corpus path
include/sound/emu8000_reg.h
Extension
.h
Size
9767 bytes
Lines
194
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.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef __SOUND_EMU8000_REG_H
#define __SOUND_EMU8000_REG_H
/*
 *  Register operations for the EMU8000
 *
 *  Copyright (C) 1999 Steve Ratcliffe
 *
 *  Based on awe_wave.c by Takashi Iwai
 */

/*
 * Data port addresses relative to the EMU base.
 */
#define EMU8000_DATA0(e)    ((e)->port1)
#define EMU8000_DATA1(e)    ((e)->port2)
#define EMU8000_DATA2(e)    ((e)->port2+2)
#define EMU8000_DATA3(e)    ((e)->port3)
#define EMU8000_PTR(e)      ((e)->port3+2)

/*
 * Make a command from a register and channel.
 */
#define EMU8000_CMD(reg, chan) ((reg)<<5 | (chan))

/*
 * Commands to read and write the EMU8000 registers.
 * These macros should be used for all register accesses.
 */
#define EMU8000_CPF_READ(emu, chan) \
	snd_emu8000_peek_dw((emu), EMU8000_DATA0(emu), EMU8000_CMD(0, (chan)))
#define EMU8000_PTRX_READ(emu, chan) \
	snd_emu8000_peek_dw((emu), EMU8000_DATA0(emu), EMU8000_CMD(1, (chan)))
#define EMU8000_CVCF_READ(emu, chan) \
	snd_emu8000_peek_dw((emu), EMU8000_DATA0(emu), EMU8000_CMD(2, (chan)))
#define EMU8000_VTFT_READ(emu, chan) \
	snd_emu8000_peek_dw((emu), EMU8000_DATA0(emu), EMU8000_CMD(3, (chan)))
#define EMU8000_PSST_READ(emu, chan) \
	snd_emu8000_peek_dw((emu), EMU8000_DATA0(emu), EMU8000_CMD(6, (chan)))
#define EMU8000_CSL_READ(emu, chan) \
	snd_emu8000_peek_dw((emu), EMU8000_DATA0(emu), EMU8000_CMD(7, (chan)))
#define EMU8000_CCCA_READ(emu, chan) \
	snd_emu8000_peek_dw((emu), EMU8000_DATA1(emu), EMU8000_CMD(0, (chan)))
#define EMU8000_HWCF4_READ(emu) \
	snd_emu8000_peek_dw((emu), EMU8000_DATA1(emu), EMU8000_CMD(1, 9))
#define EMU8000_HWCF5_READ(emu) \
	snd_emu8000_peek_dw((emu), EMU8000_DATA1(emu), EMU8000_CMD(1, 10))
#define EMU8000_HWCF6_READ(emu) \
	snd_emu8000_peek_dw((emu), EMU8000_DATA1(emu), EMU8000_CMD(1, 13))
#define EMU8000_SMALR_READ(emu) \
	snd_emu8000_peek_dw((emu), EMU8000_DATA1(emu), EMU8000_CMD(1, 20))
#define EMU8000_SMARR_READ(emu) \
	snd_emu8000_peek_dw((emu), EMU8000_DATA1(emu), EMU8000_CMD(1, 21))
#define EMU8000_SMALW_READ(emu) \
	snd_emu8000_peek_dw((emu), EMU8000_DATA1(emu), EMU8000_CMD(1, 22))
#define EMU8000_SMARW_READ(emu) \
	snd_emu8000_peek_dw((emu), EMU8000_DATA1(emu), EMU8000_CMD(1, 23))
#define EMU8000_SMLD_READ(emu) \
	snd_emu8000_peek((emu), EMU8000_DATA1(emu), EMU8000_CMD(1, 26))
#define EMU8000_SMRD_READ(emu) \
	snd_emu8000_peek((emu), EMU8000_DATA2(emu), EMU8000_CMD(1, 26))
#define EMU8000_WC_READ(emu) \
	snd_emu8000_peek((emu), EMU8000_DATA2(emu), EMU8000_CMD(1, 27))
#define EMU8000_HWCF1_READ(emu) \
	snd_emu8000_peek((emu), EMU8000_DATA1(emu), EMU8000_CMD(1, 29))
#define EMU8000_HWCF2_READ(emu) \
	snd_emu8000_peek((emu), EMU8000_DATA1(emu), EMU8000_CMD(1, 30))
#define EMU8000_HWCF3_READ(emu) \
	snd_emu8000_peek((emu), EMU8000_DATA1(emu), EMU8000_CMD(1, 31))
#define EMU8000_INIT1_READ(emu, chan) \
	snd_emu8000_peek((emu), EMU8000_DATA1(emu), EMU8000_CMD(2, (chan)))
#define EMU8000_INIT2_READ(emu, chan) \
	snd_emu8000_peek((emu), EMU8000_DATA2(emu), EMU8000_CMD(2, (chan)))
#define EMU8000_INIT3_READ(emu, chan) \
	snd_emu8000_peek((emu), EMU8000_DATA1(emu), EMU8000_CMD(3, (chan)))
#define EMU8000_INIT4_READ(emu, chan) \
	snd_emu8000_peek((emu), EMU8000_DATA2(emu), EMU8000_CMD(3, (chan)))
#define EMU8000_ENVVOL_READ(emu, chan) \
	snd_emu8000_peek((emu), EMU8000_DATA1(emu), EMU8000_CMD(4, (chan)))
#define EMU8000_DCYSUSV_READ(emu, chan) \
	snd_emu8000_peek((emu), EMU8000_DATA1(emu), EMU8000_CMD(5, (chan)))
#define EMU8000_ENVVAL_READ(emu, chan) \
	snd_emu8000_peek((emu), EMU8000_DATA1(emu), EMU8000_CMD(6, (chan)))
#define EMU8000_DCYSUS_READ(emu, chan) \
	snd_emu8000_peek((emu), EMU8000_DATA1(emu), EMU8000_CMD(7, (chan)))
#define EMU8000_ATKHLDV_READ(emu, chan) \
	snd_emu8000_peek((emu), EMU8000_DATA2(emu), EMU8000_CMD(4, (chan)))
#define EMU8000_LFO1VAL_READ(emu, chan) \
	snd_emu8000_peek((emu), EMU8000_DATA2(emu), EMU8000_CMD(5, (chan)))
#define EMU8000_ATKHLD_READ(emu, chan) \
	snd_emu8000_peek((emu), EMU8000_DATA2(emu), EMU8000_CMD(6, (chan)))

Annotation

Implementation Notes