#include <linux/module.h>#include <linux/config.h>#include <linux/sched.h>#include <linux/fs.h>#include <linux/interrupt.h>#include <linux/kernel.h>#include <linux/timer.h>#include <linux/tqueue.h>#include <linux/mm.h>#include <linux/errno.h>#include <linux/genhd.h>#include <linux/major.h>#include <linux/ioport.h>#include <linux/delay.h>#include <linux/blk.h>#include <asm/system.h>#include <asm/io.h>#include <asm/irq.h>#include <asm/uaccess.h>#include <asm/dma.h>#include <asm/hardware.h>#include <asm/ecard.h>#include <asm/ioc.h>Include dependency graph for mfmhd.c:
Go to the source code of this file.
Defines | |
| #define | MAJOR_NR MFM_ACORN_MAJOR |
| #define | HDIO_GETGEO 0x301 |
| #define | MFM_MAXDRIVES 2 |
| #define | ONBOARD_MFM_ADDRESS ((0x002d0000 >> 2) | 0x80000000) |
| #define | NO_TRACK -1 |
| #define | NEED_1_RECAL -2 |
| #define | NEED_2_RECAL -3 |
| #define | MFM_DRV_INFO mfm_info[raw_cmd.dev] |
| #define | MFM_COMMAND (mfm_addr + 0) |
| #define | MFM_DATAOUT (mfm_addr + 1) |
| #define | MFM_STATUS (mfm_addr + 8) |
| #define | MFM_DATAIN (mfm_addr + 9) |
| #define | CMD_ABT 0xF0 |
| #define | CMD_SPC 0xE8 |
| #define | CMD_TST 0xE0 |
| #define | CMD_RCLB 0xC8 |
| #define | CMD_SEK 0xC0 |
| #define | CMD_WFS 0xAB |
| #define | CMD_WFM 0xA3 |
| #define | CMD_MTB 0x90 |
| #define | CMD_CMPD 0x88 |
| #define | CMD_WD 0x87 |
| #define | CMD_RED 0x70 |
| #define | CMD_RIS 0x68 |
| #define | CMD_FID 0x61 |
| #define | CMD_RID 0x60 |
| #define | CMD_BTM 0x50 |
| #define | CMD_CKD 0x48 |
| #define | CMD_RD 0x40 |
| #define | CMD_OPBW 0x38 |
| #define | CMD_OPBR 0x30 |
| #define | CMD_CKV 0x28 |
| #define | CMD_CKE 0x20 |
| #define | CMD_POD 0x18 |
| #define | CMD_POL 0x10 |
| #define | CMD_RCAL 0x08 |
| #define | STAT_BSY 0x8000 |
| #define | STAT_CPR 0x4000 |
| #define | STAT_CED 0x2000 |
| #define | STAT_SED 0x1000 |
| #define | STAT_DER 0x0800 |
| #define | STAT_ABN 0x0400 |
| #define | STAT_POL 0x0200 |
| #define | DBG(x...) |
| #define | IDEA2 |
| #define | SPEC_SL 0x00 |
| #define | SPEC_SH 0x21 |
Functions | |
| static void | mfm_seek (void) |
| static void | mfm_rerequest (void) |
| static void | mfm_request (void) |
| static int | mfm_reread_partitions (kdev_t dev) |
| static void | mfm_specify (void) |
| static void | issue_request (int dev, unsigned int block, unsigned int nsect, struct request *req) |
| static void | print_status (void) |
| static void | issue_command (int command, unsigned char *cmdb, int len) |
| static void | wait_for_completion (void) |
| static void | wait_for_command_end (void) |
| static void | mfm_rw_intr (void) |
| static void | mfm_setup_rw (void) |
| static void | mfm_recal_intr (void) |
| static void | mfm_seek_intr (void) |
| static void | mfm_setupspecify (int drive, unsigned char *cmdb) |
| static void | mfm_initialise (void) |
| static void | request_done (int uptodate) |
| static void | error_handler (void) |
| static void | rw_interrupt (void) |
| static void | do_mfm_request (void) |
| static void | mfm_interrupt_handler (int unused, void *dev_id, struct pt_regs *regs) |
| static void | mfm_geometry (int drive) |
| static int | mfm_initdrives (void) |
| static int | mfm_ioctl (struct inode *inode, struct file *file, u_int cmd, u_long arg) |
| static int | mfm_open (struct inode *inode, struct file *file) |
| static int | mfm_release (struct inode *inode, struct file *file) |
| void | mfm_setup (char *str, int *ints) |
| void | xd_set_geometry (kdev_t dev, unsigned char secsptrack, unsigned char heads, unsigned long discsize, unsigned int secsize) |
| static void | mfm_geninit (struct gendisk *gdev) |
| static int | mfm_probecontroller (unsigned int mfm_addr) |
| int | mfm_init (void) |
Variables | |
| static const card_ids | mfm_cids [] |
| mfm_info | mfm_info [MFM_MAXDRIVES] |
| static struct hd_struct | mfm [MFM_MAXDRIVES<< 6] |
| static int | mfm_sizes [MFM_MAXDRIVES<< 6] |
| static int | mfm_blocksizes [MFM_MAXDRIVES<< 6] |
| static int | mfm_sectsizes [MFM_MAXDRIVES<< 6] |
| static struct wait_queue * | mfm_wait_open = NULL |
| unsigned int | hdc63463_baseaddress |
| unsigned int | hdc63463_irqpolladdress |
| unsigned int | hdc63463_irqpollmask |
| unsigned int | hdc63463_dataptr |
| int | hdc63463_dataleft |
| static int | lastspecifieddrive |
| static unsigned | Busy |
| static unsigned int | PartFragRead |
| static unsigned int | PartFragRead_RestartBlock |
| static unsigned int | PartFragRead_SectorsLeft |
| static int | Sectors256LeftInCurrent |
| static int | SectorsLeftInRequest |
| static int | Copy_Sector |
| static char * | Copy_buffer |
| static unsigned int | mfm_addr |
| static unsigned int | mfm_IRQPollLoc |
| static unsigned int | mfm_irqenable |
| static unsigned char | mfm_irq |
| static int | mfm_drives = 0 |
| static int | mfm_status = 0 |
| static int * | errors |
| static struct rawcmd | raw_cmd |
| static unsigned char | result [16] |
| static struct cont * | cont |
| int | number_mfm_drives = 1 |
| static struct cont | rw_cont |
| static struct gendisk | mfm_gendisk |
| static struct file_operations | mfm_fops |
| static struct expansion_card * | ecs |
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Definition at line 281 of file mfmhd.c. Referenced by mfm_probecontroller(). |
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Definition at line 300 of file mfmhd.c. Referenced by mfm_initdrives(), and request_done(). |
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Definition at line 302 of file mfmhd.c. Referenced by mfm_recal_intr(), and mfm_seek_intr(). |
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Definition at line 303 of file mfmhd.c. Referenced by mfm_recal_intr(), and mfm_seek_intr(). |
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Definition at line 304 of file mfmhd.c. Referenced by issue_command(), mfm_interrupt_handler(), mfm_probecontroller(), mfm_recal_intr(), mfm_rw_intr(), mfm_seek_intr(), and wait_for_command_end(). |
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Definition at line 284 of file mfmhd.c. Referenced by mfm_seek(). |
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Definition at line 297 of file mfmhd.c. Referenced by issue_request(). |
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Definition at line 285 of file mfmhd.c. Referenced by mfm_probecontroller(), and mfm_seek(). |
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Definition at line 282 of file mfmhd.c. Referenced by mfm_initdrives(), and mfm_specify(). |
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Definition at line 290 of file mfmhd.c. Referenced by issue_request(). |
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Definition at line 132 of file mfmhd.c. Referenced by acsi_ioctl(), cciss_ioctl(), DAC960_IOCTL(), ddv_ioctl(), do_dasd_ioctl(), do_format_dasd(), fd_ioctl(), hd_ioctl(), hdio_getgeo(), i2ob_ioctl(), ida_ioctl(), ide_ioctl(), md_ioctl(), mdisk_ioctl(), mfm_ioctl(), pd_ioctl(), pf_ioctl(), sd_ioctl(), sys32_ioctl(), xd_ioctl(), and xpram_ioctl(). |
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Definition at line 276 of file mfmhd.c. Referenced by issue_command(), mfm_interrupt_handler(), mfm_probecontroller(), mfm_recal_intr(), mfm_rw_intr(), mfm_seek_intr(), and wait_for_command_end(). |
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Definition at line 279 of file mfmhd.c. Referenced by mfm_interrupt_handler(), mfm_rw_intr(), and wait_for_command_end(). |
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Definition at line 277 of file mfmhd.c. Referenced by issue_command(). |
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Definition at line 193 of file mfmhd.c. Referenced by error_handler(), mfm_recal_intr(), mfm_seek(), and mfm_seek_intr(). |
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Definition at line 278 of file mfmhd.c. Referenced by issue_command(), mfm_interrupt_handler(), mfm_probecontroller(), mfm_rw_intr(), wait_for_command_end(), and wait_for_completion(). |
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Definition at line 181 of file mfmhd.c. Referenced by recal_interrupt(), reset_fdc_info(), and seek_floppy(). |
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Definition at line 182 of file mfmhd.c. Referenced by bad_flp_intr(), error_handler(), interpret_errors(), mfm_recal_intr(), mfm_seek_intr(), recal_interrupt(), reset_fdc_info(), and seek_interrupt(). |
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Definition at line 180 of file mfmhd.c. Referenced by raw_cmd_ioctl(), and seek_floppy(). |
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Definition at line 151 of file mfmhd.c. Referenced by mfm_init(). |
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Definition at line 658 of file mfmhd.c. Referenced by mfm_setupspecify(). |
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Definition at line 657 of file mfmhd.c. Referenced by mfm_setupspecify(). |
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Definition at line 311 of file mfmhd.c. Referenced by issue_command(), mfm_recal_intr(), mfm_rw_intr(), mfm_seek_intr(), and print_status(). |
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Definition at line 306 of file mfmhd.c. Referenced by internal_command(), issue_command(), mfm_interrupt_handler(), mfm_probecontroller(), mfm_rw_intr(), print_status(), and wait_for_completion(). |
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Definition at line 308 of file mfmhd.c. Referenced by issue_command(), mfm_probecontroller(), mfm_recal_intr(), mfm_rw_intr(), mfm_seek_intr(), print_status(), and wait_for_command_end(). |
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Definition at line 307 of file mfmhd.c. Referenced by issue_command(), mfm_interrupt_handler(), mfm_probecontroller(), mfm_rw_intr(), and print_status(). |
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Definition at line 310 of file mfmhd.c. Referenced by issue_command(), mfm_recal_intr(), mfm_rw_intr(), mfm_seek_intr(), and print_status(). |
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Definition at line 312 of file mfmhd.c. Referenced by issue_command(), and print_status(). |
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Definition at line 309 of file mfmhd.c. Referenced by issue_command(), mfm_recal_intr(), mfm_seek_intr(), and print_status(). |
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Definition at line 978 of file mfmhd.c. References DBG, and mfm_request(). Here is the call graph for this function:  |
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Definition at line 775 of file mfmhd.c. References errors, MFM_DRV_INFO, NEED_2_RECAL, print_status(), and printk. Here is the call graph for this function:  |
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Definition at line 387 of file mfmhd.c. References CMD_RCAL, DBG, i, inw, MFM_COMMAND, MFM_DATAOUT, MFM_STATUS, outw, STAT_ABN, STAT_BSY, STAT_CED, STAT_CPR, STAT_DER, STAT_POL, STAT_SED, and status. Referenced by mfm_initdrives(), mfm_recal_intr(), mfm_seek(), mfm_seek_intr(), mfm_setup_rw(), mfm_specify(), and request_done(). |
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Definition at line 803 of file mfmhd.c. References CMD_RD, CMD_WD, rawcmd::cmdcode, rawcmd::cmddata, rawcmd::cmdlen, rawcmd::cmdtype, Copy_buffer, CURRENT, rawcmd::cylinder, DBG, rawcmd::dev, errors, hdc63463_dataleft, hdc63463_dataptr, rawcmd::head, IMMEDIATE_BH, lastspecifieddrive, mark_bh, mfm_initialise(), mfm_specify(), PartFragRead, PartFragRead_RestartBlock, PartFragRead_SectorsLeft, queue_task, raw_cmd, READ, tq_struct::routine, rawcmd::sector, sectors, tq_immediate, and WRITE. Referenced by mfm_request(), and request_done(). Here is the call graph for this function:  |
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Definition at line 1342 of file mfmhd.c. References blksize_size, hardsect_size, i, MAJOR_NR, mfm_blocksizes, mfm_drives, mfm_geometry(), mfm_initdrives(), mfm_interrupt_handler(), mfm_irq, mfm_irqenable, mfm_sectsizes, gendisk::nr_real, outw, printk, request_irq(), SA_INTERRUPT, and x80. Here is the call graph for this function:  |
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Definition at line 1023 of file mfmhd.c. References heads, hd_struct::nr_sects, printk, sectors, and hd_struct::start_sect. Referenced by mfm_geninit(), and xd_set_geometry(). |
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Definition at line 1432 of file mfmhd.c. References blk_dev, Busy, DEVICE_REQUEST, ecard_address(), ecard_claim, ecard_find(), ECARD_IOC, ECARD_MEDIUM, gendisk_head, hdc63463_baseaddress, hdc63463_irqpolladdress, hdc63463_irqpollmask, ioaddr, IOC_IRQSTATB, IRQ_HARDDISK, expansion_card::irqmask, lastspecifieddrive, MAJOR_NR, mfm_addr, mfm_irq, mfm_irqenable, mfm_IRQPollLoc, mfm_probecontroller(), gendisk::next, ONBOARD_MFM_ADDRESS, printk, read_ahead, register_blkdev(), blk_dev_struct::request_fn, and request_region. Referenced by __initfunc(). Here is the call graph for this function:  |
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Definition at line 1132 of file mfmhd.c. References CMD_CKV, CMD_SPC, issue_command(), mfm_setupspecify(), number_mfm_drives, printk, and wait_for_completion(). Referenced by mfm_geninit(). Here is the call graph for this function:  |
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Definition at line 722 of file mfmhd.c. References DBG, and mfm_seek(). Referenced by issue_request(). Here is the call graph for this function:  |
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Definition at line 984 of file mfmhd.c. References CLEAR_INTR, CMD_RCAL, DBG, DEVICE_INTR, handler, inw, len, MFM_COMMAND, MFM_DATAIN, MFM_STATUS, mfm_status, outw, print_status(), printk, result, STAT_BSY, and STAT_CPR. Referenced by mfm_geninit(). Here is the call graph for this function:  |
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Definition at line 1183 of file mfmhd.c. References BLKFLSBUF, BLKFRAGET, BLKFRASET, BLKGETSIZE, BLKRAGET, BLKRASET, BLKRRPART, BLKSECTGET, CAP_SYS_ADMIN, capable, hd_geometry::cylinders, dev, device, DEVICE_NR, EACCES, EFAULT, EINVAL, fsync_dev(), HDIO_GETGEO, hd_geometry::heads, heads, MAJOR, major, max_readahead, max_sectors, mfm_drives, mfm_reread_partitions(), MINOR, minor, put_user, read_ahead, RO_IOCTLS, hd_geometry::sectors, sectors, hd_geometry::start, and xff. Here is the call graph for this function:  |
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Definition at line 1258 of file mfmhd.c. References busy, dev, DEVICE_NR, ENODEV, mfm_drives, mfm_wait_open, MINOR, MOD_INC_USE_COUNT, and sleep_on(). Here is the call graph for this function:  |
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Definition at line 1396 of file mfmhd.c. References check_region, CMD_ABT, CMD_RCAL, CMD_SEK, count, inw, MFM_COMMAND, MFM_STATUS, outw, STAT_BSY, STAT_CED, STAT_CPR, and udelay. Referenced by mfm_init(). |
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Definition at line 586 of file mfmhd.c. References CMD_POD, CMD_POL, CMD_RCAL, issue_command(), MFM_COMMAND, MFM_DRV_INFO, mfm_seek(), mfm_status, NEED_2_RECAL, NULL, outw, print_status(), printk, STAT_ABN, STAT_CED, STAT_DER, and STAT_SED. Referenced by mfm_seek(). Here is the call graph for this function:  |
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Definition at line 1277 of file mfmhd.c. References DEVICE_NR, fsync_dev(), MINOR, and MOD_DEC_USE_COUNT. Here is the call graph for this function:  |
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Definition at line 889 of file mfmhd.c. References Busy, CLEAR_INTR, Copy_buffer, Copy_Sector, CURRENT, DBG, dev, issue_request(), kdevname(), mfm_drives, MINOR, printk, READ, RQ_INACTIVE, Sectors256LeftInCurrent, SectorsLeftInRequest, hd_struct::start_sect, sti, and WRITE. Referenced by do_mfm_request(), mfm_rerequest(), and request_done(). Here is the call graph for this function:  |
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Definition at line 1490 of file mfmhd.c. References access_count, busy, DEVICE_NR, EBUSY, get_super(), i, invalidate_inodes(), MAJOR_NR, gendisk::max_p, mfm_wait_open, minor, MINOR, gendisk::minor_shift, MKDEV, hd_struct::nr_sects, gendisk::part, resetup_one_dev(), restore_flags, save_flags_cli, start, hd_struct::start_sect, sync_dev(), and target. Referenced by mfm_ioctl(). Here is the call graph for this function:  |
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Definition at line 881 of file mfmhd.c. References Busy, cli, DBG, and mfm_request(). Here is the call graph for this function:  |
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Definition at line 445 of file mfmhd.c. References CMD_RCAL, Copy_buffer, Copy_Sector, CURRENT, DBG, errors, hdc63463_dataleft, hdc63463_dataptr, inw, len, MFM_COMMAND, MFM_DATAIN, MFM_STATUS, mfm_status, outw, print_status(), printk, result, Sectors256LeftInCurrent, SectorsLeftInRequest, STAT_ABN, STAT_BSY, STAT_CED, STAT_CPR, STAT_DER, and WRITE. Referenced by mfm_setup_rw(). Here is the call graph for this function:  |
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Definition at line 694 of file mfmhd.c. References CMD_RCLB, CMD_SEK, rawcmd::cylinder, DBG, rawcmd::dev, issue_command(), MFM_DRV_INFO, mfm_recal_intr(), mfm_seek_intr(), mfm_setup_rw(), mfm_specify(), and raw_cmd. Referenced by mfm_initialise(), mfm_recal_intr(), and mfm_seek_intr(). Here is the call graph for this function:  |
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Definition at line 619 of file mfmhd.c. References CMD_POD, CMD_POL, CMD_RCAL, rawcmd::cylinder, issue_command(), MFM_COMMAND, MFM_DRV_INFO, mfm_seek(), mfm_status, NEED_2_RECAL, |