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linux_dsm_epyc7002/arch/m68k/include/asm/atarihw.h
Geert Uytterhoeven 4c3c522bce m68k/UAPI: Disintegrate arch/m68k/include/asm/bootinfo.h 
Export the bootinfo definitions that are used by bootstrap loaders, and
split them up in generic and platform-specific parts.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2013-11-26 11:09:15 +01:00

816 lines
20 KiB
C
Raw Blame History

/*
** linux/atarihw.h -- This header defines some macros and pointers for
** the various Atari custom hardware registers.
**
** Copyright 1994 by Björn Brauel
**
** 5/1/94 Roman Hodek:
** Added definitions for TT specific chips.
**
** 1996-09-13 lars brinkhoff <f93labr@dd.chalmers.se>:
** Finally added definitions for the matrix/codec and the DSP56001 host
** interface.
**
** This file is subject to the terms and conditions of the GNU General Public
** License. See the file COPYING in the main directory of this archive
** for more details.
**
*/
#ifndef _LINUX_ATARIHW_H_
#define _LINUX_ATARIHW_H_
#include <linux/types.h>
#include <asm/bootinfo-atari.h>
#include <asm/raw_io.h>
extern u_long atari_mch_cookie;
extern u_long atari_mch_type;
extern u_long atari_switches;
extern int atari_rtc_year_offset;
extern int atari_dont_touch_floppy_select;
extern int atari_SCC_reset_done;
/* convenience macros for testing machine type */
#define MACH_IS_ST ((atari_mch_cookie >> 16) == ATARI_MCH_ST)
#define MACH_IS_STE ((atari_mch_cookie >> 16) == ATARI_MCH_STE && \
(atari_mch_cookie & 0xffff) == 0)
#define MACH_IS_MSTE ((atari_mch_cookie >> 16) == ATARI_MCH_STE && \
(atari_mch_cookie & 0xffff) == 0x10)
#define MACH_IS_TT ((atari_mch_cookie >> 16) == ATARI_MCH_TT)
#define MACH_IS_FALCON ((atari_mch_cookie >> 16) == ATARI_MCH_FALCON)
#define MACH_IS_MEDUSA (atari_mch_type == ATARI_MACH_MEDUSA)
#define MACH_IS_AB40 (atari_mch_type == ATARI_MACH_AB40)
/* values for atari_switches */
#define ATARI_SWITCH_IKBD 0x01
#define ATARI_SWITCH_MIDI 0x02
#define ATARI_SWITCH_SND6 0x04
#define ATARI_SWITCH_SND7 0x08
#define ATARI_SWITCH_OVSC_SHIFT 16
#define ATARI_SWITCH_OVSC_IKBD (ATARI_SWITCH_IKBD << ATARI_SWITCH_OVSC_SHIFT)
#define ATARI_SWITCH_OVSC_MIDI (ATARI_SWITCH_MIDI << ATARI_SWITCH_OVSC_SHIFT)
#define ATARI_SWITCH_OVSC_SND6 (ATARI_SWITCH_SND6 << ATARI_SWITCH_OVSC_SHIFT)
#define ATARI_SWITCH_OVSC_SND7 (ATARI_SWITCH_SND7 << ATARI_SWITCH_OVSC_SHIFT)
#define ATARI_SWITCH_OVSC_MASK 0xffff0000
/*
* Define several Hardware-Chips for indication so that for the ATARI we do
* no longer decide whether it is a Falcon or other machine . It's just
* important what hardware the machine uses
*/
/* ++roman 08/08/95: rewritten from ORing constants to a C bitfield */
#define ATARIHW_DECLARE(name) unsigned name : 1
#define ATARIHW_SET(name) (atari_hw_present.name = 1)
#define ATARIHW_PRESENT(name) (atari_hw_present.name)
struct atari_hw_present {
/* video hardware */
ATARIHW_DECLARE(STND_SHIFTER); /* ST-Shifter - no base low ! */
ATARIHW_DECLARE(EXTD_SHIFTER); /* STe-Shifter - 24 bit address */
ATARIHW_DECLARE(TT_SHIFTER); /* TT-Shifter */
ATARIHW_DECLARE(VIDEL_SHIFTER); /* Falcon-Shifter */
/* sound hardware */
ATARIHW_DECLARE(YM_2149); /* Yamaha YM 2149 */
ATARIHW_DECLARE(PCM_8BIT); /* PCM-Sound in STe-ATARI */
ATARIHW_DECLARE(CODEC); /* CODEC Sound (Falcon) */
/* disk storage interfaces */
ATARIHW_DECLARE(TT_SCSI); /* Directly mapped NCR5380 */
ATARIHW_DECLARE(ST_SCSI); /* NCR5380 via ST-DMA (Falcon) */
ATARIHW_DECLARE(ACSI); /* Standard ACSI like in STs */
ATARIHW_DECLARE(IDE); /* IDE Interface */
ATARIHW_DECLARE(FDCSPEED); /* 8/16 MHz switch for FDC */
/* other I/O hardware */
ATARIHW_DECLARE(ST_MFP); /* The ST-MFP (there should be no Atari
without it... but who knows?) */
ATARIHW_DECLARE(TT_MFP); /* 2nd MFP */
ATARIHW_DECLARE(SCC); /* Serial Communications Contr. */
ATARIHW_DECLARE(ST_ESCC); /* SCC Z83230 in an ST */
ATARIHW_DECLARE(ANALOG_JOY); /* Paddle Interface for STe
and Falcon */
ATARIHW_DECLARE(MICROWIRE); /* Microwire Interface */
/* DMA */
ATARIHW_DECLARE(STND_DMA); /* 24 Bit limited ST-DMA */
ATARIHW_DECLARE(EXTD_DMA); /* 32 Bit ST-DMA */
ATARIHW_DECLARE(SCSI_DMA); /* DMA for the NCR5380 */
ATARIHW_DECLARE(SCC_DMA); /* DMA for the SCC */
/* real time clocks */
ATARIHW_DECLARE(TT_CLK); /* TT compatible clock chip */
ATARIHW_DECLARE(MSTE_CLK); /* Mega ST(E) clock chip */
/* supporting hardware */
ATARIHW_DECLARE(SCU); /* System Control Unit */
ATARIHW_DECLARE(BLITTER); /* Blitter */
ATARIHW_DECLARE(VME); /* VME Bus */
ATARIHW_DECLARE(DSP56K); /* DSP56k processor in Falcon */
};
extern struct atari_hw_present atari_hw_present;
/* Reading the MFP port register gives a machine independent delay, since the
* MFP always has a 8 MHz clock. This avoids problems with the varying length
* of nops on various machines. Somebody claimed that the tstb takes 600 ns.
*/
#define MFPDELAY() \
__asm__ __volatile__ ( "tstb %0" : : "m" (st_mfp.par_dt_reg) : "cc" );
/* Do cache push/invalidate for DMA read/write. This function obeys the
* snooping on some machines (Medusa) and processors: The Medusa itself can
* snoop, but only the '040 can source data from its cache to DMA writes i.e.,
* reads from memory). Both '040 and '060 invalidate cache entries on snooped
* DMA reads (i.e., writes to memory).
*/
#define atari_readb raw_inb
#define atari_writeb raw_outb
#define atari_inb_p raw_inb
#define atari_outb_p raw_outb
#include <linux/mm.h>
#include <asm/cacheflush.h>
static inline void dma_cache_maintenance( unsigned long paddr,
unsigned long len,
int writeflag )
{
if (writeflag) {
if (!MACH_IS_MEDUSA || CPU_IS_060)
cache_push( paddr, len );
}
else {
if (!MACH_IS_MEDUSA)
cache_clear( paddr, len );
}
}
/*
** Shifter
*/
#define ST_LOW 0
#define ST_MID 1
#define ST_HIGH 2
#define TT_LOW 7
#define TT_MID 4
#define TT_HIGH 6
#define SHF_BAS (0xffff8200)
struct SHIFTER
{
u_char pad1;
u_char bas_hi;
u_char pad2;
u_char bas_md;
u_char pad3;
u_char volatile vcounthi;
u_char pad4;
u_char volatile vcountmid;
u_char pad5;
u_char volatile vcountlow;
u_char volatile syncmode;
u_char pad6;
u_char pad7;
u_char bas_lo;
};
# define shifter ((*(volatile struct SHIFTER *)SHF_BAS))
#define SHF_FBAS (0xffff820e)
struct SHIFTER_F030
{
u_short off_next;
u_short scn_width;
};
# define shifter_f030 ((*(volatile struct SHIFTER_F030 *)SHF_FBAS))
#define SHF_TBAS (0xffff8200)
struct SHIFTER_TT {
u_char char_dummy0;
u_char bas_hi; /* video mem base addr, high and mid byte */
u_char char_dummy1;
u_char bas_md;
u_char char_dummy2;
u_char vcount_hi; /* pointer to currently displayed byte */
u_char char_dummy3;
u_char vcount_md;
u_char char_dummy4;
u_char vcount_lo;
u_short st_sync; /* ST compatible sync mode register, unused */
u_char char_dummy5;
u_char bas_lo; /* video mem addr, low byte */
u_char char_dummy6[2+3*16];
/* $ffff8240: */
u_short color_reg[16]; /* 16 color registers */
u_char st_shiftmode; /* ST compatible shift mode register, unused */
u_char char_dummy7;
u_short tt_shiftmode; /* TT shift mode register */
};
#define shifter_tt ((*(volatile struct SHIFTER_TT *)SHF_TBAS))
/* values for shifter_tt->tt_shiftmode */
#define TT_SHIFTER_STLOW 0x0000
#define TT_SHIFTER_STMID 0x0100
#define TT_SHIFTER_STHIGH 0x0200
#define TT_SHIFTER_TTLOW 0x0700
#define TT_SHIFTER_TTMID 0x0400
#define TT_SHIFTER_TTHIGH 0x0600
#define TT_SHIFTER_MODEMASK 0x0700
#define TT_SHIFTER_NUMMODE 0x0008
#define TT_SHIFTER_PALETTE_MASK 0x000f
#define TT_SHIFTER_GRAYMODE 0x1000
/* 256 TT palette registers */
#define TT_PALETTE_BASE (0xffff8400)
#define tt_palette ((volatile u_short *)TT_PALETTE_BASE)
#define TT_PALETTE_RED_MASK 0x0f00
#define TT_PALETTE_GREEN_MASK 0x00f0
#define TT_PALETTE_BLUE_MASK 0x000f
/*
** Falcon030 VIDEL Video Controller
** for description see File 'linux\tools\atari\hardware.txt
*/
#define f030_col ((u_long *) 0xffff9800)
#define f030_xreg ((u_short*) 0xffff8282)
#define f030_yreg ((u_short*) 0xffff82a2)
#define f030_creg ((u_short*) 0xffff82c0)
#define f030_sreg ((u_short*) 0xffff8260)
#define f030_mreg ((u_short*) 0xffff820a)
#define f030_linewidth ((u_short*) 0xffff820e)
#define f030_hscroll ((u_char*) 0xffff8265)
#define VIDEL_BAS (0xffff8260)
struct VIDEL {
u_short st_shift;
u_short pad1;
u_char xoffset_s;
u_char xoffset;
u_short f_shift;
u_char pad2[0x1a];
u_short hht;
u_short hbb;
u_short hbe;
u_short hdb;
u_short hde;
u_short hss;
u_char pad3[0x14];
u_short vft;
u_short vbb;
u_short vbe;
u_short vdb;
u_short vde;
u_short vss;
u_char pad4[0x12];
u_short control;
u_short mode;
};
#define videl ((*(volatile struct VIDEL *)VIDEL_BAS))
/*
** DMA/WD1772 Disk Controller
*/
#define FWD_BAS (0xffff8604)
struct DMA_WD
{
u_short fdc_acces_seccount;
u_short dma_mode_status;
u_char dma_vhi; /* Some extended ST-DMAs can handle 32 bit addresses */
u_char dma_hi;
u_char char_dummy2;
u_char dma_md;
u_char char_dummy3;
u_char dma_lo;
u_short fdc_speed;
};
# define dma_wd ((*(volatile struct DMA_WD *)FWD_BAS))
/* alias */
#define st_dma dma_wd
/* The two highest bytes of an extended DMA as a short; this is a must
* for the Medusa.
*/
#define st_dma_ext_dmahi (*((volatile unsigned short *)0xffff8608))
/*
** YM2149 Sound Chip
** access in bytes
*/
#define YM_BAS (0xffff8800)
struct SOUND_YM
{
u_char rd_data_reg_sel;
u_char char_dummy1;
u_char wd_data;
};
#define sound_ym ((*(volatile struct SOUND_YM *)YM_BAS))
/* TT SCSI DMA */
#define TT_SCSI_DMA_BAS (0xffff8700)
struct TT_DMA {
u_char char_dummy0;
u_char dma_addr_hi;
u_char char_dummy1;
u_char dma_addr_hmd;
u_char char_dummy2;
u_char dma_addr_lmd;
u_char char_dummy3;
u_char dma_addr_lo;
u_char char_dummy4;
u_char dma_cnt_hi;
u_char char_dummy5;
u_char dma_cnt_hmd;
u_char char_dummy6;
u_char dma_cnt_lmd;
u_char char_dummy7;
u_char dma_cnt_lo;
u_long dma_restdata;
u_short dma_ctrl;
};
#define tt_scsi_dma ((*(volatile struct TT_DMA *)TT_SCSI_DMA_BAS))
/* TT SCSI Controller 5380 */
#define TT_5380_BAS (0xffff8781)
struct TT_5380 {
u_char scsi_data;
u_char char_dummy1;
u_char scsi_icr;
u_char char_dummy2;
u_char scsi_mode;
u_char char_dummy3;
u_char scsi_tcr;
u_char char_dummy4;
u_char scsi_idstat;
u_char char_dummy5;
u_char scsi_dmastat;
u_char char_dummy6;
u_char scsi_targrcv;
u_char char_dummy7;
u_char scsi_inircv;
};
#define tt_scsi ((*(volatile struct TT_5380 *)TT_5380_BAS))
#define tt_scsi_regp ((volatile char *)TT_5380_BAS)
/*
** Falcon DMA Sound Subsystem
*/
#define MATRIX_BASE (0xffff8930)
struct MATRIX
{
u_short source;
u_short destination;
u_char external_frequency_divider;
u_char internal_frequency_divider;
};
#define falcon_matrix (*(volatile struct MATRIX *)MATRIX_BASE)
#define CODEC_BASE (0xffff8936)
struct CODEC
{
u_char tracks;
u_char input_source;
#define CODEC_SOURCE_ADC 1
#define CODEC_SOURCE_MATRIX 2
u_char adc_source;
#define ADC_SOURCE_RIGHT_PSG 1
#define ADC_SOURCE_LEFT_PSG 2
u_char gain;
#define CODEC_GAIN_RIGHT 0x0f
#define CODEC_GAIN_LEFT 0xf0
u_char attenuation;
#define CODEC_ATTENUATION_RIGHT 0x0f
#define CODEC_ATTENUATION_LEFT 0xf0
u_char unused1;
u_char status;
#define CODEC_OVERFLOW_RIGHT 1
#define CODEC_OVERFLOW_LEFT 2
u_char unused2, unused3, unused4, unused5;
u_char gpio_directions;
#define CODEC_GPIO_IN 0
#define CODEC_GPIO_OUT 1
u_char unused6;
u_char gpio_data;
};
#define falcon_codec (*(volatile struct CODEC *)CODEC_BASE)
/*
** Falcon Blitter
*/
#define BLT_BAS (0xffff8a00)
struct BLITTER
{
u_short halftone[16];
u_short src_x_inc;
u_short src_y_inc;
u_long src_address;
u_short endmask1;
u_short endmask2;
u_short endmask3;
u_short dst_x_inc;
u_short dst_y_inc;
u_long dst_address;
u_short wd_per_line;
u_short ln_per_bb;
u_short hlf_op_reg;
u_short log_op_reg;
u_short lin_nm_reg;
u_short skew_reg;
};
# define blitter ((*(volatile struct BLITTER *)BLT_BAS))
/*
** SCC Z8530
*/
#define SCC_BAS (0xffff8c81)
struct SCC
{
u_char cha_a_ctrl;
u_char char_dummy1;
u_char cha_a_data;
u_char char_dummy2;
u_char cha_b_ctrl;
u_char char_dummy3;
u_char cha_b_data;
};
# define atari_scc ((*(volatile struct SCC*)SCC_BAS))
/* The ESCC (Z85230) in an Atari ST. The channels are reversed! */
# define st_escc ((*(volatile struct SCC*)0xfffffa31))
# define st_escc_dsr ((*(volatile char *)0xfffffa39))
/* TT SCC DMA Controller (same chip as SCSI DMA) */
#define TT_SCC_DMA_BAS (0xffff8c00)
#define tt_scc_dma ((*(volatile struct TT_DMA *)TT_SCC_DMA_BAS))
/*
** VIDEL Palette Register
*/
#define FPL_BAS (0xffff9800)
struct VIDEL_PALETTE
{
u_long reg[256];
};
# define videl_palette ((*(volatile struct VIDEL_PALETTE*)FPL_BAS))
/*
** Falcon DSP Host Interface
*/
#define DSP56K_HOST_INTERFACE_BASE (0xffffa200)
struct DSP56K_HOST_INTERFACE {
u_char icr;
#define DSP56K_ICR_RREQ 0x01
#define DSP56K_ICR_TREQ 0x02
#define DSP56K_ICR_HF0 0x08
#define DSP56K_ICR_HF1 0x10
#define DSP56K_ICR_HM0 0x20
#define DSP56K_ICR_HM1 0x40
#define DSP56K_ICR_INIT 0x80
u_char cvr;
#define DSP56K_CVR_HV_MASK 0x1f
#define DSP56K_CVR_HC 0x80
u_char isr;
#define DSP56K_ISR_RXDF 0x01
#define DSP56K_ISR_TXDE 0x02
#define DSP56K_ISR_TRDY 0x04
#define DSP56K_ISR_HF2 0x08
#define DSP56K_ISR_HF3 0x10
#define DSP56K_ISR_DMA 0x40
#define DSP56K_ISR_HREQ 0x80
u_char ivr;
union {
u_char b[4];
u_short w[2];
u_long l;
} data;
};
#define dsp56k_host_interface ((*(volatile struct DSP56K_HOST_INTERFACE *)DSP56K_HOST_INTERFACE_BASE))
/*
** MFP 68901
*/
#define MFP_BAS (0xfffffa01)
struct MFP
{
u_char par_dt_reg;
u_char char_dummy1;
u_char active_edge;
u_char char_dummy2;
u_char data_dir;
u_char char_dummy3;
u_char int_en_a;
u_char char_dummy4;
u_char int_en_b;
u_char char_dummy5;
u_char int_pn_a;
u_char char_dummy6;
u_char int_pn_b;
u_char char_dummy7;
u_char int_sv_a;
u_char char_dummy8;
u_char int_sv_b;
u_char char_dummy9;
u_char int_mk_a;
u_char char_dummy10;
u_char int_mk_b;
u_char char_dummy11;
u_char vec_adr;
u_char char_dummy12;
u_char tim_ct_a;
u_char char_dummy13;
u_char tim_ct_b;
u_char char_dummy14;
u_char tim_ct_cd;
u_char char_dummy15;
u_char tim_dt_a;
u_char char_dummy16;
u_char tim_dt_b;
u_char char_dummy17;
u_char tim_dt_c;
u_char char_dummy18;
u_char tim_dt_d;
u_char char_dummy19;
u_char sync_char;
u_char char_dummy20;
u_char usart_ctr;
u_char char_dummy21;
u_char rcv_stat;
u_char char_dummy22;
u_char trn_stat;
u_char char_dummy23;
u_char usart_dta;
};
# define st_mfp ((*(volatile struct MFP*)MFP_BAS))
/* TT's second MFP */
#define TT_MFP_BAS (0xfffffa81)
# define tt_mfp ((*(volatile struct MFP*)TT_MFP_BAS))
/* TT System Control Unit */
#define TT_SCU_BAS (0xffff8e01)
struct TT_SCU {
u_char sys_mask;
u_char char_dummy1;
u_char sys_stat;
u_char char_dummy2;
u_char softint;
u_char char_dummy3;
u_char vmeint;
u_char char_dummy4;
u_char gp_reg1;
u_char char_dummy5;
u_char gp_reg2;
u_char char_dummy6;
u_char vme_mask;
u_char char_dummy7;
u_char vme_stat;
};
#define tt_scu ((*(volatile struct TT_SCU *)TT_SCU_BAS))
/* TT real time clock */
#define TT_RTC_BAS (0xffff8961)
struct TT_RTC {
u_char regsel;
u_char dummy;
u_char data;
};
#define tt_rtc ((*(volatile struct TT_RTC *)TT_RTC_BAS))
/*
** ACIA 6850
*/
/* constants for the ACIA registers */
/* baudrate selection and reset (Baudrate = clock/factor) */
#define ACIA_DIV1 0
#define ACIA_DIV16 1
#define ACIA_DIV64 2
#define ACIA_RESET 3
/* character format */
#define ACIA_D7E2S (0<<2) /* 7 data, even parity, 2 stop */
#define ACIA_D7O2S (1<<2) /* 7 data, odd parity, 2 stop */
#define ACIA_D7E1S (2<<2) /* 7 data, even parity, 1 stop */
#define ACIA_D7O1S (3<<2) /* 7 data, odd parity, 1 stop */
#define ACIA_D8N2S (4<<2) /* 8 data, no parity, 2 stop */
#define ACIA_D8N1S (5<<2) /* 8 data, no parity, 1 stop */
#define ACIA_D8E1S (6<<2) /* 8 data, even parity, 1 stop */
#define ACIA_D8O1S (7<<2) /* 8 data, odd parity, 1 stop */
/* transmit control */
#define ACIA_RLTID (0<<5) /* RTS low, TxINT disabled */
#define ACIA_RLTIE (1<<5) /* RTS low, TxINT enabled */
#define ACIA_RHTID (2<<5) /* RTS high, TxINT disabled */
#define ACIA_RLTIDSB (3<<5) /* RTS low, TxINT disabled, send break */
/* receive control */
#define ACIA_RID (0<<7) /* RxINT disabled */
#define ACIA_RIE (1<<7) /* RxINT enabled */
/* status fields of the ACIA */
#define ACIA_RDRF 1 /* Receive Data Register Full */
#define ACIA_TDRE (1<<1) /* Transmit Data Register Empty */
#define ACIA_DCD (1<<2) /* Data Carrier Detect */
#define ACIA_CTS (1<<3) /* Clear To Send */
#define ACIA_FE (1<<4) /* Framing Error */
#define ACIA_OVRN (1<<5) /* Receiver Overrun */
#define ACIA_PE (1<<6) /* Parity Error */
#define ACIA_IRQ (1<<7) /* Interrupt Request */
#define ACIA_BAS (0xfffffc00)
struct ACIA
{
u_char key_ctrl;
u_char char_dummy1;
u_char key_data;
u_char char_dummy2;
u_char mid_ctrl;
u_char char_dummy3;
u_char mid_data;
};
# define acia ((*(volatile struct ACIA*)ACIA_BAS))
#define TT_DMASND_BAS (0xffff8900)
struct TT_DMASND {
u_char int_ctrl; /* Falcon: Interrupt control */
u_char ctrl;
u_char pad2;
u_char bas_hi;
u_char pad3;
u_char bas_mid;
u_char pad4;
u_char bas_low;
u_char pad5;
u_char addr_hi;
u_char pad6;
u_char addr_mid;
u_char pad7;
u_char addr_low;
u_char pad8;
u_char end_hi;
u_char pad9;
u_char end_mid;
u_char pad10;
u_char end_low;
u_char pad11[12];
u_char track_select; /* Falcon */
u_char mode;
u_char pad12[14];
/* Falcon only: */
u_short cbar_src;
u_short cbar_dst;
u_char ext_div;
u_char int_div;
u_char rec_track_select;
u_char dac_src;
u_char adc_src;
u_char input_gain;
u_short output_atten;
};
# define tt_dmasnd ((*(volatile struct TT_DMASND *)TT_DMASND_BAS))
#define DMASND_MFP_INT_REPLAY 0x01
#define DMASND_MFP_INT_RECORD 0x02
#define DMASND_TIMERA_INT_REPLAY 0x04
#define DMASND_TIMERA_INT_RECORD 0x08
#define DMASND_CTRL_OFF 0x00
#define DMASND_CTRL_ON 0x01
#define DMASND_CTRL_REPEAT 0x02
#define DMASND_CTRL_RECORD_ON 0x10
#define DMASND_CTRL_RECORD_OFF 0x00
#define DMASND_CTRL_RECORD_REPEAT 0x20
#define DMASND_CTRL_SELECT_REPLAY 0x00
#define DMASND_CTRL_SELECT_RECORD 0x80
#define DMASND_MODE_MONO 0x80
#define DMASND_MODE_STEREO 0x00
#define DMASND_MODE_8BIT 0x00
#define DMASND_MODE_16BIT 0x40 /* Falcon only */
#define DMASND_MODE_6KHZ 0x00 /* Falcon: mute */
#define DMASND_MODE_12KHZ 0x01
#define DMASND_MODE_25KHZ 0x02
#define DMASND_MODE_50KHZ 0x03
#define DMASNDSetBase(bufstart) \
do { \
tt_dmasnd.bas_hi = (unsigned char)(((bufstart) & 0xff0000) >> 16); \
tt_dmasnd.bas_mid = (unsigned char)(((bufstart) & 0x00ff00) >> 8); \
tt_dmasnd.bas_low = (unsigned char) ((bufstart) & 0x0000ff); \
} while( 0 )
#define DMASNDGetAdr() ((tt_dmasnd.addr_hi << 16) + \
(tt_dmasnd.addr_mid << 8) + \
(tt_dmasnd.addr_low))
#define DMASNDSetEnd(bufend) \
do { \
tt_dmasnd.end_hi = (unsigned char)(((bufend) & 0xff0000) >> 16); \
tt_dmasnd.end_mid = (unsigned char)(((bufend) & 0x00ff00) >> 8); \
tt_dmasnd.end_low = (unsigned char) ((bufend) & 0x0000ff); \
} while( 0 )
#define TT_MICROWIRE_BAS (0xffff8922)
struct TT_MICROWIRE {
u_short data;
u_short mask;
};
# define tt_microwire ((*(volatile struct TT_MICROWIRE *)TT_MICROWIRE_BAS))
#define MW_LM1992_ADDR 0x0400
#define MW_LM1992_VOLUME(dB) \
(0x0c0 | ((dB) < -80 ? 0 : (dB) > 0 ? 40 : (((dB) + 80) / 2)))
#define MW_LM1992_BALLEFT(dB) \
(0x140 | ((dB) < -40 ? 0 : (dB) > 0 ? 20 : (((dB) + 40) / 2)))
#define MW_LM1992_BALRIGHT(dB) \
(0x100 | ((dB) < -40 ? 0 : (dB) > 0 ? 20 : (((dB) + 40) / 2)))
#define MW_LM1992_TREBLE(dB) \
(0x080 | ((dB) < -12 ? 0 : (dB) > 12 ? 12 : (((dB) / 2) + 6)))
#define MW_LM1992_BASS(dB) \
(0x040 | ((dB) < -12 ? 0 : (dB) > 12 ? 12 : (((dB) / 2) + 6)))
#define MW_LM1992_PSG_LOW 0x000
#define MW_LM1992_PSG_HIGH 0x001
#define MW_LM1992_PSG_OFF 0x002
#define MSTE_RTC_BAS (0xfffffc21)
struct MSTE_RTC {
u_char sec_ones;
u_char dummy1;
u_char sec_tens;
u_char dummy2;
u_char min_ones;
u_char dummy3;
u_char min_tens;
u_char dummy4;
u_char hr_ones;
u_char dummy5;
u_char hr_tens;
u_char dummy6;
u_char weekday;
u_char dummy7;
u_char day_ones;
u_char dummy8;
u_char day_tens;
u_char dummy9;
u_char mon_ones;
u_char dummy10;
u_char mon_tens;
u_char dummy11;
u_char year_ones;
u_char dummy12;
u_char year_tens;
u_char dummy13;
u_char mode;
u_char dummy14;
u_char test;
u_char dummy15;
u_char reset;
};
#define mste_rtc ((*(volatile struct MSTE_RTC *)MSTE_RTC_BAS))
/*
** EtherNAT add-on card for Falcon - combined ethernet and USB adapter
*/
#define ATARI_ETHERNAT_PHYS_ADDR 0x80000000
#endif /* linux/atarihw.h */
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