Home | History | Annotate | Line # | Download | only in ata
atareg.h revision 1.2
      1  1.2  bouyer /*	$NetBSD: atareg.h,v 1.2 1998/10/12 16:09:15 bouyer Exp $	*/
      2  1.2  bouyer 
      3  1.2  bouyer #ifdef _KERNEL
      4  1.2  bouyer /*
      5  1.2  bouyer  * Drive parameter structure for ATA/ATAPI.
      6  1.2  bouyer  * Bit fields: WDC_* : common to ATA/ATAPI
      7  1.2  bouyer  *             ATA_* : ATA only
      8  1.2  bouyer  *             ATAPI_* : ATAPI only.
      9  1.2  bouyer  */
     10  1.2  bouyer struct ataparams {
     11  1.2  bouyer     /* drive info */
     12  1.2  bouyer     u_int16_t	atap_config;		/* 0: general configuration */
     13  1.2  bouyer #define WDC_CFG_ATAPI_MASK    	0xc000
     14  1.2  bouyer #define WDC_CFG_ATAPI    	0x8000
     15  1.2  bouyer #define	ATA_CFG_REMOVABLE	0x0080
     16  1.2  bouyer #define	ATA_CFG_FIXED		0x0040
     17  1.2  bouyer #define ATAPI_CFG_TYPE_MASK	0x1f00
     18  1.2  bouyer #define ATAPI_CFG_TYPE(x) (((x) & ATAPI_CFG_TYPE_MASK) >> 8)
     19  1.2  bouyer #define	ATAPI_CFG_REMOV		0x0080
     20  1.2  bouyer #define ATAPI_CFG_DRQ_MASK	0x0060
     21  1.2  bouyer #define ATAPI_CFG_STD_DRQ	0x0000
     22  1.2  bouyer #define ATAPI_CFG_IRQ_DRQ	0x0020
     23  1.2  bouyer #define ATAPI_CFG_ACCEL_DRQ	0x0040
     24  1.2  bouyer #define ATAPI_CFG_CMD_MASK	0x0003
     25  1.2  bouyer #define ATAPI_CFG_CMD_12	0x0000
     26  1.2  bouyer #define ATAPI_CFG_CMD_16	0x0001
     27  1.2  bouyer /* words 1-9 are ATA only */
     28  1.2  bouyer     u_int16_t	atap_cylinders;		/* 1: # of non-removable cylinders */
     29  1.2  bouyer     u_int16_t	__reserved1;
     30  1.2  bouyer     u_int16_t	atap_heads;		/* 3: # of heads */
     31  1.2  bouyer     u_int16_t	__retired1[2];		/* 4-5: # of unform. bytes/track */
     32  1.2  bouyer     u_int16_t	atap_sectors;		/* 6: # of sectors */
     33  1.2  bouyer     u_int16_t	__retired2[3];
     34  1.2  bouyer 
     35  1.2  bouyer     u_int8_t	atap_serial[20];	/* 10-19: serial number */
     36  1.2  bouyer     u_int16_t	__retired3[2];
     37  1.2  bouyer     u_int16_t	__obsolete1;
     38  1.2  bouyer     u_int8_t	atap_revision[8];	/* 23-26: firmware revision */
     39  1.2  bouyer     u_int8_t	atap_model[40];		/* 27-46: model number */
     40  1.2  bouyer     u_int16_t	atap_multi;		/* 47: maximum sectors per irq (ATA) */
     41  1.2  bouyer     u_int16_t	__reserved2;
     42  1.2  bouyer     u_int16_t	atap_capabilities1;	/* 49: capability flags */
     43  1.2  bouyer #define WDC_CAP_IORDY	0x0800
     44  1.2  bouyer #define WDC_CAP_IORDY_DSBL 0x0400
     45  1.2  bouyer #define	WDC_CAP_LBA	0x0200
     46  1.2  bouyer #define	WDC_CAP_DMA	0x0100
     47  1.2  bouyer #define ATA_CAP_STBY	0x2000
     48  1.2  bouyer #define ATAPI_CAP_INTERL_DMA	0x8000
     49  1.2  bouyer #define ATAPI_CAP_CMD_QUEUE	0x4000
     50  1.2  bouyer #define	ATAPI_CAP_OVERLP	0X2000
     51  1.2  bouyer #define ATAPI_CAP_ATA_RST	0x1000
     52  1.2  bouyer     u_int16_t	atap_capabilities2;	/* 50: capability flags (ATA) */
     53  1.2  bouyer     u_int8_t	__junk2;
     54  1.2  bouyer     u_int8_t	atap_oldpiotiming;	/* 51: old PIO timing mode */
     55  1.2  bouyer     u_int8_t	__junk3;
     56  1.2  bouyer     u_int8_t	atap_olddmatiming;	/* 52: old DMA timing mode (ATA) */
     57  1.2  bouyer     u_int16_t	atap_extensions;	/* 53: extentions supported */
     58  1.2  bouyer #define WDC_EXT_UDMA_MODES	0x0004
     59  1.2  bouyer #define WDC_EXT_MODES		0x0002
     60  1.2  bouyer #define WDC_EXT_GEOM		0x0001
     61  1.2  bouyer /* words 54-62 are ATA only */
     62  1.2  bouyer     u_int16_t	atap_curcylinders;	/* 54: current logical cyliners */
     63  1.2  bouyer     u_int16_t	atap_curheads;		/* 55: current logical heads */
     64  1.2  bouyer     u_int16_t	atap_cursectors;	/* 56: current logical sectors/tracks */
     65  1.2  bouyer     u_int16_t	atap_curcapacity[2];	/* 57-58: current capacity */
     66  1.2  bouyer     u_int16_t	atap_curmulti;		/* 59: current multi-sector setting */
     67  1.2  bouyer #define WDC_MULTI_VALID 0x0100
     68  1.2  bouyer #define WDC_MULTI_MASK  0x00ff
     69  1.2  bouyer     u_int16_t	atap_capacity[2];  	/* 60-61: total capacity (LBA only) */
     70  1.2  bouyer     u_int16_t	__retired4;
     71  1.2  bouyer     u_int8_t	atap_dmamode_supp; 	/* 63: multiword DMA mode supported */
     72  1.2  bouyer     u_int8_t	atap_dmamode_act; 	/*     multiword DMA mode active */
     73  1.2  bouyer     u_int8_t	atap_piomode_supp;       /* 64: PIO mode supported */
     74  1.2  bouyer     u_int8_t	__junk4;
     75  1.2  bouyer     u_int16_t	atap_dmatiming_mimi;	/* 65: minimum DMA cycle time */
     76  1.2  bouyer     u_int16_t	atap_dmatiming_recom;	/* 66: recomended DMA cycle time */
     77  1.2  bouyer     u_int16_t	atap_piotiming;    	/* 67: mini PIO cycle time without FC */
     78  1.2  bouyer     u_int16_t	atap_piotiming_iordy;	/* 68: mini PIO cycle time with IORDY FC */
     79  1.2  bouyer     u_int16_t	__reserved3[2];
     80  1.2  bouyer /* words 71-72 are ATAPI only */
     81  1.2  bouyer     u_int16_t	atap_pkt_br;		/* 71: time (ns) to bus release */
     82  1.2  bouyer     u_int16_t	atap_pkt_bsyclr;	/* 72: tme to clear BSY after service */
     83  1.2  bouyer     u_int16_t	__reserved4[2];
     84  1.2  bouyer     u_int16_t	atap_queuedepth;   	/* 75: */
     85  1.2  bouyer #define WDC_QUEUE_DEPTH_MASK 0x0F
     86  1.2  bouyer     u_int16_t	__reserved5[4];
     87  1.2  bouyer     u_int16_t	atap_ata_major;  	/* 80: Major version number */
     88  1.2  bouyer #define	WDC_VER_ATA1	0x0002
     89  1.2  bouyer #define	WDC_VER_ATA2	0x0004
     90  1.2  bouyer #define	WDC_VER_ATA3	0x0008
     91  1.2  bouyer #define	WDC_VER_ATA4	0x0010
     92  1.2  bouyer     u_int16_t   atap_ata_minor;  	/* 81: Minor version number */
     93  1.2  bouyer     u_int16_t	atap_cmd_set1;    	/* 82: command set suported */
     94  1.2  bouyer #define WDC_CMD1_NOP	0x4000
     95  1.2  bouyer #define WDC_CMD1_RB	0x2000
     96  1.2  bouyer #define WDC_CMD1_WB	0x1000
     97  1.2  bouyer #define WDC_CMD1_HPA	0x0400
     98  1.2  bouyer #define WDC_CMD1_DVRST	0x0200
     99  1.2  bouyer #define WDC_CMD1_SRV	0x0100
    100  1.2  bouyer #define WDC_CMD1_RLSE	0x0080
    101  1.2  bouyer #define WDC_CMD1_AHEAD	0x0040
    102  1.2  bouyer #define WDC_CMD1_CACHE	0x0020
    103  1.2  bouyer #define WDC_CMD1_PKT	0x0010
    104  1.2  bouyer #define WDC_CMD1_PM	0x0008
    105  1.2  bouyer #define WDC_CMD1_REMOV	0x0004
    106  1.2  bouyer #define WDC_CMD1_SEC	0x0002
    107  1.2  bouyer #define WDC_CMD1_SMART	0x0001
    108  1.2  bouyer     u_int16_t	atap_cmd_set2;    	/* 83: command set suported */
    109  1.2  bouyer #define WDC_CMD2_RMSN	0x0010
    110  1.2  bouyer #define WDC_CMD2_DM	0x0001
    111  1.2  bouyer #define ATA_CMD2_APM	0x0008
    112  1.2  bouyer #define ATA_CMD2_CFA	0x0004
    113  1.2  bouyer #define ATA_CMD2_RWQ	0x0002
    114  1.2  bouyer     u_int16_t	atap_cmd_ext;		/* 84: command/features supp. ext. */
    115  1.2  bouyer     u_int16_t	atap_cmd1_en;		/* 85: cmd/features enabled */
    116  1.2  bouyer /* bits are the same as atap_cmd_set1 */
    117  1.2  bouyer     u_int16_t	atap_cmd2_en;		/* 86: cmd/features enabled */
    118  1.2  bouyer /* bits are the same as atap_cmd_set2 */
    119  1.2  bouyer     u_int16_t	atap_cmd_def;		/* 87: cmd/features default */
    120  1.2  bouyer     u_int8_t	atap_udmamode_supp; 	/* 88: Ultra-DMA mode supported */
    121  1.2  bouyer     u_int8_t	atap_udmamode_act; 	/*     Ultra-DMA mode active */
    122  1.2  bouyer /* 89-92 are ATA-only */
    123  1.2  bouyer     u_int16_t	atap_seu_time;		/* 89: Sec. Erase Unit compl. time */
    124  1.2  bouyer     u_int16_t	atap_eseu_time;		/* 90: Enhanced SEU compl. time */
    125  1.2  bouyer     u_int16_t	atap_apm_val;		/* 91: current APM value */
    126  1.2  bouyer     u_int16_t	__reserved6[35];	/* 92-126: reserved */
    127  1.2  bouyer     u_int16_t	atap_rmsn_supp;		/* 127: remov. media status notif. */
    128  1.2  bouyer #define WDC_RMSN_SUPP_MASK 0x0003
    129  1.2  bouyer #define WDC_RMSN_SUPP 0x0001
    130  1.2  bouyer     u_int16_t	atap_sec_st;		/* 128: security status */
    131  1.2  bouyer #define WDC_SEC_LEV_MAX	0x0100
    132  1.2  bouyer #define WDC_SEC_ESE_SUPP 0x0020
    133  1.2  bouyer #define WDC_SEC_EXP	0x0010
    134  1.2  bouyer #define WDC_SEC_FROZEN	0x0008
    135  1.2  bouyer #define WDC_SEC_LOCKED	0x0004
    136  1.2  bouyer #define WDC_SEC_EN	0x0002
    137  1.2  bouyer #define WDC_SEC_SUPP	0x0001
    138  1.2  bouyer };
    139  1.2  bouyer #endif /* _KERNEL */
    140