diff options
| author | David Howells <dhowells@redhat.com> | 2012-10-13 10:46:48 +0100 | 
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2012-10-13 10:46:48 +0100 | 
| commit | 607ca46e97a1b6594b29647d98a32d545c24bdff (patch) | |
| tree | 30f4c0784bfddb57332cdc0678bd06d1e77fa185 /include/uapi/linux/fdreg.h | |
| parent | 08cce05c5a91f5017f4edc9866cf026908c73f9f (diff) | |
| download | olio-linux-3.10-607ca46e97a1b6594b29647d98a32d545c24bdff.tar.xz olio-linux-3.10-607ca46e97a1b6594b29647d98a32d545c24bdff.zip  | |
UAPI: (Scripted) Disintegrate include/linux
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Michael Kerrisk <mtk.manpages@gmail.com>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Dave Jones <davej@redhat.com>
Diffstat (limited to 'include/uapi/linux/fdreg.h')
| -rw-r--r-- | include/uapi/linux/fdreg.h | 137 | 
1 files changed, 137 insertions, 0 deletions
diff --git a/include/uapi/linux/fdreg.h b/include/uapi/linux/fdreg.h new file mode 100644 index 00000000000..61ce6416900 --- /dev/null +++ b/include/uapi/linux/fdreg.h @@ -0,0 +1,137 @@ +#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  |