atarihw.h
上传用户:jlfgdled
上传日期:2013-04-10
资源大小:33168k
文件大小:20k
- /*
- ** linux/atarihw.h -- This header defines some macros and pointers for
- ** the various Atari custom hardware registers.
- **
- ** Copyright 1994 by Bj攔n 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.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;
- /* 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_HADES (atari_mch_type == ATARI_MACH_HADES)
- #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" (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/pgalloc.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 'linuxtoolsatarihardware.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 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 GPIO_IN 0
- #define GPIO_OUT 1
- u_char unused6;
- u_char gpio_data;
- };
- #define 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 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 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))
- #endif /* linux/atarihw.h */