OpenCores
URL https://opencores.org/ocsvn/or1k/or1k/trunk

Subversion Repositories or1k

[/] [or1k/] [trunk/] [uclinux/] [uC-libc/] [include/] [linux/] [xd.h] - Blame information for rev 199

Go to most recent revision | Details | Compare with Previous | View Log

Line No. Rev Author Line
1 199 simons 
#ifndef _LINUX_XD_H
2 
#define _LINUX_XD_H
3 
 
4 
/*
5 
 * This file contains the definitions for the IO ports and errors etc. for XT hard disk controllers (at least the DTC 5150X).
6 
 *
7 
 * Author: Pat Mackinlay, pat@it.com.au
8 
 * Date: 29/09/92
9 
 *
10 
 * Revised: 01/01/93, ...
11 
 *
12 
 * Ref: DTC 5150X Controller Specification (thanks to Kevin Fowler, kevinf@agora.rain.com)
13 
 * Also thanks to: Salvador Abreu, Dave Thaler, Risto Kankkunen and Wim Van Dorst.
14 
 */
15 
 
16 
/* XT hard disk controller registers */
17 
#define XD_DATA         (xd_iobase + 0x00)      /* data RW register */
18 
#define XD_RESET        (xd_iobase + 0x01)      /* reset WO register */
19 
#define XD_STATUS       (xd_iobase + 0x01)      /* status RO register */
20 
#define XD_SELECT       (xd_iobase + 0x02)      /* select WO register */
21 
#define XD_JUMPER       (xd_iobase + 0x02)      /* jumper RO register */
22 
#define XD_CONTROL      (xd_iobase + 0x03)      /* DMAE/INTE WO register */
23 
#define XD_RESERVED     (xd_iobase + 0x03)      /* reserved */
24 
 
25 
/* XT hard disk controller commands (incomplete list) */
26 
#define CMD_TESTREADY   0x00    /* test drive ready */
27 
#define CMD_RECALIBRATE 0x01    /* recalibrate drive */
28 
#define CMD_SENSE       0x03    /* request sense */
29 
#define CMD_FORMATDRV   0x04    /* format drive */
30 
#define CMD_VERIFY      0x05    /* read verify */
31 
#define CMD_FORMATTRK   0x06    /* format track */
32 
#define CMD_FORMATBAD   0x07    /* format bad track */
33 
#define CMD_READ        0x08    /* read */
34 
#define CMD_WRITE       0x0A    /* write */
35 
#define CMD_SEEK        0x0B    /* seek */
36 
 
37 
/* Controller specific commands */
38 
#define CMD_DTCSETPARAM 0x0C    /* set drive parameters (DTC 5150X & CX only?) */
39 
#define CMD_DTCGETECC   0x0D    /* get ecc error length (DTC 5150X only?) */
40 
#define CMD_DTCREADBUF  0x0E    /* read sector buffer (DTC 5150X only?) */
41 
#define CMD_DTCWRITEBUF 0x0F    /* write sector buffer (DTC 5150X only?) */
42 
#define CMD_DTCREMAPTRK 0x11    /* assign alternate track (DTC 5150X only?) */
43 
#define CMD_DTCGETPARAM 0xFB    /* get drive parameters (DTC 5150X only?) */
44 
#define CMD_DTCSETSTEP  0xFC    /* set step rate (DTC 5150X only?) */
45 
#define CMD_DTCSETGEOM  0xFE    /* set geometry data (DTC 5150X only?) */
46 
#define CMD_DTCGETGEOM  0xFF    /* get geometry data (DTC 5150X only?) */
47 
#define CMD_ST11GETGEOM 0xF8    /* get geometry data (Seagate ST11R/M only?) */
48 
#define CMD_WDSETPARAM  0x0C    /* set drive parameters (WD 1004A27X only?) */
49 
#define CMD_XBSETPARAM  0x0C    /* set drive parameters (XEBEC only?) */
50 
 
51 
/* Bits for command status byte */
52 
#define CSB_ERROR       0x02    /* error */
53 
#define CSB_LUN         0x20    /* logical Unit Number */
54 
 
55 
/* XT hard disk controller status bits */
56 
#define STAT_READY      0x01    /* controller is ready */
57 
#define STAT_INPUT      0x02    /* data flowing from controller to host */
58 
#define STAT_COMMAND    0x04    /* controller in command phase */
59 
#define STAT_SELECT     0x08    /* controller is selected */
60 
#define STAT_REQUEST    0x10    /* controller requesting data */
61 
#define STAT_INTERRUPT  0x20    /* controller requesting interrupt */
62 
 
63 
/* XT hard disk controller control bits */
64 
#define PIO_MODE        0x00    /* control bits to set for PIO */
65 
#define DMA_MODE        0x03    /* control bits to set for DMA & interrupt */
66 
 
67 
#define XD_MAXDRIVES    2       /* maximum 2 drives */
68 
#define XD_TIMEOUT      HZ      /* 1 second timeout */
69 
#define XD_RETRIES      4       /* maximum 4 retries */
70 
 
71 
#undef DEBUG                    /* define for debugging output */
72 
 
73 
#ifdef DEBUG
74 
        #define DEBUG_STARTUP   /* debug driver initialisation */
75 
        #define DEBUG_OVERRIDE  /* debug override geometry detection */
76 
        #define DEBUG_READWRITE /* debug each read/write command */
77 
        #define DEBUG_OTHER     /* debug misc. interrupt/DMA stuff */
78 
        #define DEBUG_COMMAND   /* debug each controller command */
79 
#endif /* DEBUG */
80 
 
81 
/* this structure defines the XT drives and their types */
82 
typedef struct {
83 
        u_char heads;
84 
        u_short cylinders;
85 
        u_char sectors;
86 
        u_char control;
87 
} XD_INFO;
88 
 
89 
#define HDIO_GETGEO             0x0301  /* get drive geometry */
90 
#define HDIO_GET_MULTCOUNT      0x0304  /* get limit of multiblock transfer */
91 
#define HDIO_SET_DMA            0x0326  /* change use-dma flag */
92 
#define HDIO_GET_DMA            0x030b  /* get use-dma flag */
93 
 
94 
/* this structure is returned to the HDIO_GETGEO ioctl */
95 
typedef struct {
96 
        u_char heads;
97 
        u_char sectors;
98 
        u_short cylinders;
99 
        u_long start;
100 
} XD_GEOMETRY;
101 
 
102 
/* this structure defines a ROM BIOS signature */
103 
typedef struct {
104 
        u_long offset;
105 
        const char *string;
106 
        void (*init_controller)(u_char *address);
107 
        void (*init_drive)(u_char drive);
108 
        const char *name;
109 
} XD_SIGNATURE;
110 
 
111 
void xd_setup (char *command,int *integers);
112 
#ifndef MODULE
113 
void xd_manual_geo_init (char *command,int *integers);
114 
#endif /* MODULE */
115 
static u_char xd_detect (u_char *controller,u_char **address);
116 
static u_char xd_initdrives (void (*init_drive)(u_char drive));
117 
static void xd_geninit (struct gendisk *);
118 
 
119 
static int xd_open (struct inode *inode,struct file *file);
120 
static void do_xd_request (void);
121 
static int xd_ioctl (struct inode *inode,struct file *file,unsigned int cmd,unsigned long arg);
122 
static void xd_release (struct inode *inode,struct file *file);
123 
static int xd_reread_partitions (kdev_t dev);
124 
static int xd_readwrite (u_char operation,u_char drive,char *buffer,u_int block,u_int count);
125 
static void xd_recalibrate (u_char drive);
126 
 
127 
static void xd_interrupt_handler (int irq, void *dev_id, struct pt_regs *regs);
128 
static u_char xd_setup_dma (u_char opcode,u_char *buffer,u_int count);
129 
static u_char *xd_build (u_char *cmdblk,u_char command,u_char drive,u_char head,u_short cylinder,u_char sector,u_char count,u_char control);
130 
static void xd_wakeup (void);
131 
static void xd_watchdog (void);
132 
static inline u_char xd_waitport (u_short port,u_char flags,u_char mask,u_long timeout);
133 
static u_int xd_command (u_char *command,u_char mode,u_char *indata,u_char *outdata,u_char *sense,u_long timeout);
134 
 
135 
/* card specific setup and geometry gathering code */
136 
static void xd_dtc_init_controller (u_char *address);
137 
static void xd_dtc5150cx_init_drive (u_char drive);
138 
static void xd_dtc_init_drive (u_char drive);
139 
static void xd_wd_init_controller (u_char *address);
140 
static void xd_wd_init_drive (u_char drive);
141 
static void xd_seagate_init_controller (u_char *address);
142 
static void xd_seagate_init_drive (u_char drive);
143 
static void xd_omti_init_controller (u_char *address);
144 
static void xd_omti_init_drive (u_char drive);
145 
static void xd_xebec_init_controller (u_char *address);
146 
static void xd_xebec_init_drive (u_char drive);
147 
static void xd_setparam (u_char command,u_char drive,u_char heads,u_short cylinders,u_short rwrite,u_short wprecomp,u_char ecc);
148 
static void xd_override_init_drive (u_char drive);
149 
 
150 
#endif /* _LINUX_XD_H */

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.