diff options
Diffstat (limited to 'include/linux/fdreg.h')
| -rw-r--r-- | include/linux/fdreg.h | 137 |
1 files changed, 0 insertions, 137 deletions
diff --git a/include/linux/fdreg.h b/include/linux/fdreg.h deleted file mode 100644 index 61ce6416900..00000000000 --- a/include/linux/fdreg.h +++ /dev/null @@ -1,137 +0,0 @@ -#ifndef _LINUX_FDREG_H -#define _LINUX_FDREG_H -/* - * This file contains some defines for the floppy disk controller. - * Various sources. Mostly "IBM Microcomputers: A Programmers - * Handbook", Sanches and Canton. - */ - -#ifdef FDPATCHES -#define FD_IOPORT fdc_state[fdc].address -#else -/* It would be a lot saner just to force fdc_state[fdc].address to always - be set ! FIXME */ -#define FD_IOPORT 0x3f0 -#endif - -/* Fd controller regs. S&C, about page 340 */ -#define FD_STATUS (4 + FD_IOPORT ) -#define FD_DATA (5 + FD_IOPORT ) - -/* Digital Output Register */ -#define FD_DOR (2 + FD_IOPORT ) - -/* Digital Input Register (read) */ -#define FD_DIR (7 + FD_IOPORT ) - -/* Diskette Control Register (write)*/ -#define FD_DCR (7 + FD_IOPORT ) - -/* Bits of main status register */ -#define STATUS_BUSYMASK 0x0F /* drive busy mask */ -#define STATUS_BUSY 0x10 /* FDC busy */ -#define STATUS_DMA 0x20 /* 0- DMA mode */ -#define STATUS_DIR 0x40 /* 0- cpu->fdc */ -#define STATUS_READY 0x80 /* Data reg ready */ - -/* Bits of FD_ST0 */ -#define ST0_DS 0x03 /* drive select mask */ -#define ST0_HA 0x04 /* Head (Address) */ -#define ST0_NR 0x08 /* Not Ready */ -#define ST0_ECE 0x10 /* Equipment check error */ -#define ST0_SE 0x20 /* Seek end */ -#define ST0_INTR 0xC0 /* Interrupt code mask */ - -/* Bits of FD_ST1 */ -#define ST1_MAM 0x01 /* Missing Address Mark */ -#define ST1_WP 0x02 /* Write Protect */ -#define ST1_ND 0x04 /* No Data - unreadable */ -#define ST1_OR 0x10 /* OverRun */ -#define ST1_CRC 0x20 /* CRC error in data or addr */ -#define ST1_EOC 0x80 /* End Of Cylinder */ - -/* Bits of FD_ST2 */ -#define ST2_MAM 0x01 /* Missing Address Mark (again) */ -#define ST2_BC 0x02 /* Bad Cylinder */ -#define ST2_SNS 0x04 /* Scan Not Satisfied */ -#define ST2_SEH 0x08 /* Scan Equal Hit */ -#define ST2_WC 0x10 /* Wrong Cylinder */ -#define ST2_CRC 0x20 /* CRC error in data field */ -#define ST2_CM 0x40 /* Control Mark = deleted */ - -/* Bits of FD_ST3 */ -#define ST3_HA 0x04 /* Head (Address) */ -#define ST3_DS 0x08 /* drive is double-sided */ -#define ST3_TZ 0x10 /* Track Zero signal (1=track 0) */ -#define ST3_RY 0x20 /* drive is ready */ -#define ST3_WP 0x40 /* Write Protect */ -#define ST3_FT 0x80 /* Drive Fault */ - -/* Values for FD_COMMAND */ -#define FD_RECALIBRATE 0x07 /* move to track 0 */ -#define FD_SEEK 0x0F /* seek track */ -#define FD_READ 0xE6 /* read with MT, MFM, SKip deleted */ -#define FD_WRITE 0xC5 /* write with MT, MFM */ -#define FD_SENSEI 0x08 /* Sense Interrupt Status */ -#define FD_SPECIFY 0x03 /* specify HUT etc */ -#define FD_FORMAT 0x4D /* format one track */ -#define FD_VERSION 0x10 /* get version code */ -#define FD_CONFIGURE 0x13 /* configure FIFO operation */ -#define FD_PERPENDICULAR 0x12 /* perpendicular r/w mode */ -#define FD_GETSTATUS 0x04 /* read ST3 */ -#define FD_DUMPREGS 0x0E /* dump the contents of the fdc regs */ -#define FD_READID 0xEA /* prints the header of a sector */ -#define FD_UNLOCK 0x14 /* Fifo config unlock */ -#define FD_LOCK 0x94 /* Fifo config lock */ -#define FD_RSEEK_OUT 0x8f /* seek out (i.e. to lower tracks) */ -#define FD_RSEEK_IN 0xcf /* seek in (i.e. to higher tracks) */ - -/* the following commands are new in the 82078. They are not used in the - * floppy driver, except the first three. These commands may be useful for apps - * which use the FDRAWCMD interface. For doc, get the 82078 spec sheets at - * http://www.intel.com/design/archives/periphrl/docs/29046803.htm */ - -#define FD_PARTID 0x18 /* part id ("extended" version cmd) */ -#define FD_SAVE 0x2e /* save fdc regs for later restore */ -#define FD_DRIVESPEC 0x8e /* drive specification: Access to the - * 2 Mbps data transfer rate for tape - * drives */ - -#define FD_RESTORE 0x4e /* later restore */ -#define FD_POWERDOWN 0x27 /* configure FDC's powersave features */ -#define FD_FORMAT_N_WRITE 0xef /* format and write in one go. */ -#define FD_OPTION 0x33 /* ISO format (which is a clean way to - * pack more sectors on a track) */ - -/* DMA commands */ -#define DMA_READ 0x46 -#define DMA_WRITE 0x4A - -/* FDC version return types */ -#define FDC_NONE 0x00 -#define FDC_UNKNOWN 0x10 /* DO NOT USE THIS TYPE EXCEPT IF IDENTIFICATION - FAILS EARLY */ -#define FDC_8272A 0x20 /* Intel 8272a, NEC 765 */ -#define FDC_765ED 0x30 /* Non-Intel 1MB-compatible FDC, can't detect */ -#define FDC_82072 0x40 /* Intel 82072; 8272a + FIFO + DUMPREGS */ -#define FDC_82072A 0x45 /* 82072A (on Sparcs) */ -#define FDC_82077_ORIG 0x51 /* Original version of 82077AA, sans LOCK */ -#define FDC_82077 0x52 /* 82077AA-1 */ -#define FDC_82078_UNKN 0x5f /* Unknown 82078 variant */ -#define FDC_82078 0x60 /* 44pin 82078 or 64pin 82078SL */ -#define FDC_82078_1 0x61 /* 82078-1 (2Mbps fdc) */ -#define FDC_S82078B 0x62 /* S82078B (first seen on Adaptec AVA-2825 VLB - * SCSI/EIDE/Floppy controller) */ -#define FDC_87306 0x63 /* National Semiconductor PC 87306 */ - -/* - * Beware: the fdc type list is roughly sorted by increasing features. - * Presence of features is tested by comparing the FDC version id with the - * "oldest" version that has the needed feature. - * If during FDC detection, an obscure test fails late in the sequence, don't - * assign FDC_UNKNOWN. Else the FDC will be treated as a dumb 8272a, or worse. - * This is especially true if the tests are unneeded. - */ - -#define FD_RESET_DELAY 20 -#endif |