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[/] [or1k/] [trunk/] [uclinux/] [uC-libc/] [include/] [linux/] [hdreg.h] - Rev 1765
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#ifndef _LINUX_HDREG_H #define _LINUX_HDREG_H /* * This file contains some defines for the AT-hd-controller. * Various sources. */ #define HD_IRQ 14 /* the standard disk interrupt */ /* ide.c has its own port definitions in "ide.h" */ /* Hd controller regs. Ref: IBM AT Bios-listing */ #define HD_DATA 0x1f0 /* _CTL when writing */ #define HD_ERROR 0x1f1 /* see err-bits */ #define HD_NSECTOR 0x1f2 /* nr of sectors to read/write */ #define HD_SECTOR 0x1f3 /* starting sector */ #define HD_LCYL 0x1f4 /* starting cylinder */ #define HD_HCYL 0x1f5 /* high byte of starting cyl */ #define HD_CURRENT 0x1f6 /* 101dhhhh , d=drive, hhhh=head */ #define HD_STATUS 0x1f7 /* see status-bits */ #define HD_FEATURE HD_ERROR /* same io address, read=error, write=feature */ #define HD_PRECOMP HD_FEATURE /* obsolete use of this port - predates IDE */ #define HD_COMMAND HD_STATUS /* same io address, read=status, write=cmd */ #define HD_CMD 0x3f6 /* used for resets */ #define HD_ALTSTATUS 0x3f6 /* same as HD_STATUS but doesn't clear irq */ /* remainder is shared between hd.c, ide.c, ide-cd.c, and the hdparm utility */ /* Bits of HD_STATUS */ #define ERR_STAT 0x01 #define INDEX_STAT 0x02 #define ECC_STAT 0x04 /* Corrected error */ #define DRQ_STAT 0x08 #define SEEK_STAT 0x10 #define WRERR_STAT 0x20 #define READY_STAT 0x40 #define BUSY_STAT 0x80 /* Values for HD_COMMAND */ #define WIN_RESTORE 0x10 #define WIN_READ 0x20 #define WIN_WRITE 0x30 #define WIN_VERIFY 0x40 #define WIN_FORMAT 0x50 #define WIN_INIT 0x60 #define WIN_SEEK 0x70 #define WIN_DIAGNOSE 0x90 #define WIN_SPECIFY 0x91 /* set drive geometry translation */ #define WIN_SETIDLE1 0xE3 #define WIN_SETIDLE2 0x97 #define WIN_DOORLOCK 0xde /* lock door on removable drives */ #define WIN_DOORUNLOCK 0xdf /* unlock door on removable drives */ #define WIN_ACKMC 0xdb /* acknowledge media change */ #define WIN_MULTREAD 0xC4 /* read sectors using multiple mode */ #define WIN_MULTWRITE 0xC5 /* write sectors using multiple mode */ #define WIN_SETMULT 0xC6 /* enable/disable multiple mode */ #define WIN_IDENTIFY 0xEC /* ask drive to identify itself */ #define WIN_SETFEATURES 0xEF /* set special drive features */ #define WIN_READDMA 0xc8 /* read sectors using DMA transfers */ #define WIN_WRITEDMA 0xca /* write sectors using DMA transfers */ /* Additional drive command codes used by ATAPI devices. */ #define WIN_PIDENTIFY 0xA1 /* identify ATAPI device */ #define WIN_SRST 0x08 /* ATAPI soft reset command */ #define WIN_PACKETCMD 0xa0 /* Send a packet command. */ /* Non-standard commands */ #define EXABYTE_ENABLE_NEST 0xf0 /* Bits for HD_ERROR */ #define MARK_ERR 0x01 /* Bad address mark */ #define TRK0_ERR 0x02 /* couldn't find track 0 */ #define ABRT_ERR 0x04 /* Command aborted */ #define ID_ERR 0x10 /* ID field not found */ #define MC_ERR 0x20 /* media changed */ #define ECC_ERR 0x40 /* Uncorrectable ECC error */ #define BBD_ERR 0x80 /* pre-EIDE meaning: block marked bad */ #define ICRC_ERR 0x80 /* new meaning: CRC error during transfer */ struct hd_geometry { unsigned char heads; unsigned char sectors; unsigned short cylinders; unsigned long start; }; /* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x030n/0x031n */ #define HDIO_GETGEO 0x0301 /* get device geometry */ #define HDIO_GET_UNMASKINTR 0x0302 /* get current unmask setting */ #define HDIO_GET_MULTCOUNT 0x0304 /* get current IDE blockmode setting */ #define HDIO_OBSOLETE_IDENTITY 0x0307 /* OBSOLETE, DO NOT USE: returns 142 bytes */ #define HDIO_GET_KEEPSETTINGS 0x0308 /* get keep-settings-on-reset flag */ #define HDIO_GET_32BIT 0x0309 /* get current io_32bit setting */ #define HDIO_GET_NOWERR 0x030a /* get ignore-write-error flag */ #define HDIO_GET_DMA 0x030b /* get use-dma flag */ #define HDIO_GET_IDENTITY 0x030d /* get IDE identification info */ #define HDIO_DRIVE_CMD 0x031f /* execute a special drive command */ /* hd/ide ctl's that pass (arg) non-ptr values are numbered 0x032n/0x033n */ #define HDIO_SET_MULTCOUNT 0x0321 /* change IDE blockmode */ #define HDIO_SET_UNMASKINTR 0x0322 /* permit other irqs during I/O */ #define HDIO_SET_KEEPSETTINGS 0x0323 /* keep ioctl settings on reset */ #define HDIO_SET_32BIT 0x0324 /* change io_32bit flags */ #define HDIO_SET_NOWERR 0x0325 /* change ignore-write-error flag */ #define HDIO_SET_DMA 0x0326 /* change use-dma flag */ #define HDIO_SET_PIO_MODE 0x0327 /* reconfig interface to new speed */ /* structure returned by HDIO_GET_IDENTITY, as per ANSI ATA2 rev.2f spec */ struct hd_driveid { unsigned short config; /* lots of obsolete bit flags */ unsigned short cyls; /* "physical" cyls */ unsigned short reserved2; /* reserved (word 2) */ unsigned short heads; /* "physical" heads */ unsigned short track_bytes; /* unformatted bytes per track */ unsigned short sector_bytes; /* unformatted bytes per sector */ unsigned short sectors; /* "physical" sectors per track */ unsigned short vendor0; /* vendor unique */ unsigned short vendor1; /* vendor unique */ unsigned short vendor2; /* vendor unique */ unsigned char serial_no[20]; /* 0 = not_specified */ unsigned short buf_type; unsigned short buf_size; /* 512 byte increments; 0 = not_specified */ unsigned short ecc_bytes; /* for r/w long cmds; 0 = not_specified */ unsigned char fw_rev[8]; /* 0 = not_specified */ unsigned char model[40]; /* 0 = not_specified */ unsigned char max_multsect; /* 0=not_implemented */ unsigned char vendor3; /* vendor unique */ unsigned short dword_io; /* 0=not_implemented; 1=implemented */ unsigned char vendor4; /* vendor unique */ unsigned char capability; /* bits 0:DMA 1:LBA 2:IORDYsw 3:IORDYsup*/ unsigned short reserved50; /* reserved (word 50) */ unsigned char vendor5; /* vendor unique */ unsigned char tPIO; /* 0=slow, 1=medium, 2=fast */ unsigned char vendor6; /* vendor unique */ unsigned char tDMA; /* 0=slow, 1=medium, 2=fast */ unsigned short field_valid; /* bits 0:cur_ok 1:eide_ok */ unsigned short cur_cyls; /* logical cylinders */ unsigned short cur_heads; /* logical heads */ unsigned short cur_sectors; /* logical sectors per track */ unsigned short cur_capacity0; /* logical total sectors on drive */ unsigned short cur_capacity1; /* (2 words, misaligned int) */ unsigned char multsect; /* current multiple sector count */ unsigned char multsect_valid; /* when (bit0==1) multsect is ok */ unsigned int lba_capacity; /* total number of sectors */ unsigned short dma_1word; /* single-word dma info */ unsigned short dma_mword; /* multiple-word dma info */ unsigned short eide_pio_modes; /* bits 0:mode3 1:mode4 */ unsigned short eide_dma_min; /* min mword dma cycle time (ns) */ unsigned short eide_dma_time; /* recommended mword dma cycle time (ns) */ unsigned short eide_pio; /* min cycle time (ns), no IORDY */ unsigned short eide_pio_iordy; /* min cycle time (ns), with IORDY */ unsigned short word69; unsigned short word70; /* HDIO_GET_IDENTITY currently returns only words 0 through 70 */ unsigned short word71; unsigned short word72; unsigned short word73; unsigned short word74; unsigned short word75; unsigned short word76; unsigned short word77; unsigned short word78; unsigned short word79; unsigned short word80; unsigned short word81; unsigned short command_sets; /* bits 0:Smart 1:Security 2:Removable 3:PM */ unsigned short word83; /* bits 14:Smart Enabled 13:0 zero */ unsigned short word84; unsigned short word85; unsigned short word86; unsigned short word87; unsigned short dma_ultra; unsigned short word89; /* reserved (word 89) */ unsigned short word90; /* reserved (word 90) */ unsigned short word91; /* reserved (word 91) */ unsigned short word92; /* reserved (word 92) */ unsigned short word93; /* reserved (word 93) */ unsigned short word94; /* reserved (word 94) */ unsigned short word95; /* reserved (word 95) */ unsigned short word96; /* reserved (word 96) */ unsigned short word97; /* reserved (word 97) */ unsigned short word98; /* reserved (word 98) */ unsigned short word99; /* reserved (word 99) */ unsigned short word100; /* reserved (word 100) */ unsigned short word101; /* reserved (word 101) */ unsigned short word102; /* reserved (word 102) */ unsigned short word103; /* reserved (word 103) */ unsigned short word104; /* reserved (word 104) */ unsigned short word105; /* reserved (word 105) */ unsigned short word106; /* reserved (word 106) */ unsigned short word107; /* reserved (word 107) */ unsigned short word108; /* reserved (word 108) */ unsigned short word109; /* reserved (word 109) */ unsigned short word110; /* reserved (word 110) */ unsigned short word111; /* reserved (word 111) */ unsigned short word112; /* reserved (word 112) */ unsigned short word113; /* reserved (word 113) */ unsigned short word114; /* reserved (word 114) */ unsigned short word115; /* reserved (word 115) */ unsigned short word116; /* reserved (word 116) */ unsigned short word117; /* reserved (word 117) */ unsigned short word118; /* reserved (word 118) */ unsigned short word119; /* reserved (word 119) */ unsigned short word120; /* reserved (word 120) */ unsigned short word121; /* reserved (word 121) */ unsigned short word122; /* reserved (word 122) */ unsigned short word123; /* reserved (word 123) */ unsigned short word124; /* reserved (word 124) */ unsigned short word125; /* reserved (word 125) */ unsigned short word126; /* reserved (word 126) */ unsigned short word127; /* reserved (word 127) */ unsigned short security; /* bits 0:suuport 1:enabled 2:locked 3:frozen */ unsigned short reserved[127]; }; #ifdef __KERNEL__ /* * These routines are used for kernel command line parameters from main.c: */ #include <linux/config.h> #ifdef CONFIG_BLK_DEV_HD void hd_setup(char *, int *); #endif /* CONFIG_BLK_DEV_HD */ #ifdef CONFIG_BLK_DEV_IDE void ide_setup(char *); #ifdef CONFIG_BLK_DEV_IDE_PCMCIA int ide_register(int io_port, int ctl_port, int irq); void ide_unregister(unsigned int); #endif /* CONFIG_BLK_DEV_IDE_PCMCIA */ #endif /* CONFIG_BLK_DEV_IDE */ #endif /* __KERNEL__ */ #endif /* _LINUX_HDREG_H */