diff options
Diffstat (limited to 'debian/grub-extras/disabled/gpxe/src/include/gpxe/isapnp.h')
| -rw-r--r-- | debian/grub-extras/disabled/gpxe/src/include/gpxe/isapnp.h | 278 |
1 files changed, 278 insertions, 0 deletions
diff --git a/debian/grub-extras/disabled/gpxe/src/include/gpxe/isapnp.h b/debian/grub-extras/disabled/gpxe/src/include/gpxe/isapnp.h new file mode 100644 index 0000000..b58a87e --- /dev/null +++ b/debian/grub-extras/disabled/gpxe/src/include/gpxe/isapnp.h @@ -0,0 +1,278 @@ +/************************************************************************** +* +* isapnp.h -- Etherboot isapnp support for the 3Com 3c515 +* Written 2002-2003 by Timothy Legge <tlegge@rogers.com> +* +* This program is free software; you can redistribute it and/or modify +* it under the terms of the GNU General Public License as published by +* the Free Software Foundation; either version 2 of the License, or +* (at your option) any later version. +* +* This program is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +* GNU General Public License for more details. +* +* You should have received a copy of the GNU General Public License +* along with this program; if not, write to the Free Software +* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +* +* Portions of this code: +* Copyright (C) 2001 P.J.H.Fox (fox@roestock.demon.co.uk) +* +* +* +* REVISION HISTORY: +* ================ +* Version 0.1 April 26, 2002 TJL +* Version 0.2 01/08/2003 TJL Renamed from 3c515_isapnp.h +* +* +* Generalised into an ISAPnP bus that can be used by more than just +* the 3c515 by Michael Brown <mbrown@fensystems.co.uk> +* +***************************************************************************/ + +FILE_LICENCE ( GPL2_OR_LATER ); + +#ifndef ISAPNP_H +#define ISAPNP_H + +#include <stdint.h> +#include <gpxe/isa_ids.h> +#include <gpxe/device.h> +#include <gpxe/tables.h> + +/* + * ISAPnP constants + * + */ + +/* Port addresses */ +#define ISAPNP_ADDRESS 0x279 +#define ISAPNP_WRITE_DATA 0xa79 +#define ISAPNP_READ_PORT_MIN 0x203 +#define ISAPNP_READ_PORT_START 0x213 /* ISAPnP spec says 0x203, but + * Linux ISAPnP starts at + * 0x213 with no explanatory + * comment. 0x203 probably + * clashes with something. */ +#define ISAPNP_READ_PORT_MAX 0x3ff +#define ISAPNP_READ_PORT_STEP 0x10 /* Can be any multiple of 4 + * according to the spec, but + * since ISA I/O addresses are + * allocated in blocks of 16, + * it makes no sense to use + * any value less than 16. + */ + +/* Card select numbers */ +#define ISAPNP_CSN_MIN 0x01 +#define ISAPNP_CSN_MAX 0x0f + +/* Registers */ +#define ISAPNP_READPORT 0x00 +#define ISAPNP_SERIALISOLATION 0x01 +#define ISAPNP_CONFIGCONTROL 0x02 +#define ISAPNP_WAKE 0x03 +#define ISAPNP_RESOURCEDATA 0x04 +#define ISAPNP_STATUS 0x05 +#define ISAPNP_CARDSELECTNUMBER 0x06 +#define ISAPNP_LOGICALDEVICENUMBER 0x07 +#define ISAPNP_ACTIVATE 0x30 +#define ISAPNP_IORANGECHECK 0x31 +#define ISAPNP_IOBASE(n) ( 0x60 + ( (n) * 2 ) ) +#define ISAPNP_IRQNO(n) ( 0x70 + ( (n) * 2 ) ) +#define ISAPNP_IRQTYPE(n) ( 0x71 + ( (n) * 2 ) ) + +/* Bits in the CONFIGCONTROL register */ +#define ISAPNP_CONFIG_RESET ( 1 << 0 ) +#define ISAPNP_CONFIG_WAIT_FOR_KEY ( 1 << 1 ) +#define ISAPNP_CONFIG_RESET_CSN ( 1 << 2 ) +#define ISAPNP_CONFIG_RESET_DRV ( ISAPNP_CONFIG_RESET | \ + ISAPNP_CONFIG_WAIT_FOR_KEY | \ + ISAPNP_CONFIG_RESET_CSN ) + +/* The LFSR used for the initiation key and for checksumming */ +#define ISAPNP_LFSR_SEED 0x6a + +/* Small tags */ +#define ISAPNP_IS_SMALL_TAG(tag) ( ! ( (tag) & 0x80 ) ) +#define ISAPNP_SMALL_TAG_NAME(tag) ( ( (tag) >> 3 ) & 0xf ) +#define ISAPNP_SMALL_TAG_LEN(tag) ( ( (tag) & 0x7 ) ) +#define ISAPNP_TAG_PNPVERNO 0x01 +#define ISAPNP_TAG_LOGDEVID 0x02 +#define ISAPNP_TAG_COMPATDEVID 0x03 +#define ISAPNP_TAG_IRQ 0x04 +#define ISAPNP_TAG_DMA 0x05 +#define ISAPNP_TAG_STARTDEP 0x06 +#define ISAPNP_TAG_ENDDEP 0x07 +#define ISAPNP_TAG_IOPORT 0x08 +#define ISAPNP_TAG_FIXEDIO 0x09 +#define ISAPNP_TAG_RSVDSHORTA 0x0A +#define ISAPNP_TAG_RSVDSHORTB 0x0B +#define ISAPNP_TAG_RSVDSHORTC 0x0C +#define ISAPNP_TAG_RSVDSHORTD 0x0D +#define ISAPNP_TAG_VENDORSHORT 0x0E +#define ISAPNP_TAG_END 0x0F +/* Large tags */ +#define ISAPNP_IS_LARGE_TAG(tag) ( ( (tag) & 0x80 ) ) +#define ISAPNP_LARGE_TAG_NAME(tag) (tag) +#define ISAPNP_TAG_MEMRANGE 0x81 +#define ISAPNP_TAG_ANSISTR 0x82 +#define ISAPNP_TAG_UNICODESTR 0x83 +#define ISAPNP_TAG_VENDORLONG 0x84 +#define ISAPNP_TAG_MEM32RANGE 0x85 +#define ISAPNP_TAG_FIXEDMEM32RANGE 0x86 +#define ISAPNP_TAG_RSVDLONG0 0xF0 +#define ISAPNP_TAG_RSVDLONG1 0xF1 +#define ISAPNP_TAG_RSVDLONG2 0xF2 +#define ISAPNP_TAG_RSVDLONG3 0xF3 +#define ISAPNP_TAG_RSVDLONG4 0xF4 +#define ISAPNP_TAG_RSVDLONG5 0xF5 +#define ISAPNP_TAG_RSVDLONG6 0xF6 +#define ISAPNP_TAG_RSVDLONG7 0xF7 +#define ISAPNP_TAG_RSVDLONG8 0xF8 +#define ISAPNP_TAG_RSVDLONG9 0xF9 +#define ISAPNP_TAG_RSVDLONGA 0xFA +#define ISAPNP_TAG_RSVDLONGB 0xFB +#define ISAPNP_TAG_RSVDLONGC 0xFC +#define ISAPNP_TAG_RSVDLONGD 0xFD +#define ISAPNP_TAG_RSVDLONGE 0xFE +#define ISAPNP_TAG_RSVDLONGF 0xFF +#define ISAPNP_TAG_PSEUDO_NEWBOARD 0x100 + +/** An ISAPnP serial identifier */ +struct isapnp_identifier { + /** Vendor ID */ + uint16_t vendor_id; + /** Product ID */ + uint16_t prod_id; + /** Serial number */ + uint32_t serial; + /** Checksum */ + uint8_t checksum; +} __attribute__ (( packed )); + +/** An ISAPnP logical device ID structure */ +struct isapnp_logdevid { + /** Vendor ID */ + uint16_t vendor_id; + /** Product ID */ + uint16_t prod_id; + /** Flags */ + uint16_t flags; +} __attribute__ (( packed )); + +/** An ISAPnP device ID list entry */ +struct isapnp_device_id { + /** Name */ + const char *name; + /** Vendor ID */ + uint16_t vendor_id; + /** Product ID */ + uint16_t prod_id; +}; + +/** An ISAPnP device */ +struct isapnp_device { + /** Generic device */ + struct device dev; + /** Vendor ID */ + uint16_t vendor_id; + /** Product ID */ + uint16_t prod_id; + /** I/O address */ + uint16_t ioaddr; + /** Interrupt number */ + uint8_t irqno; + /** Card Select Number */ + uint8_t csn; + /** Logical Device ID */ + uint8_t logdev; + /** Driver for this device */ + struct isapnp_driver *driver; + /** Driver-private data + * + * Use isapnp_set_drvdata() and isapnp_get_drvdata() to access + * this field. + */ + void *priv; + /** Driver name */ + const char *driver_name; +}; + +/** An ISAPnP driver */ +struct isapnp_driver { + /** ISAPnP ID table */ + struct isapnp_device_id *ids; + /** Number of entries in ISAPnP ID table */ + unsigned int id_count; + /** + * Probe device + * + * @v isapnp ISAPnP device + * @v id Matching entry in ID table + * @ret rc Return status code + */ + int ( * probe ) ( struct isapnp_device *isapnp, + const struct isapnp_device_id *id ); + /** + * Remove device + * + * @v isapnp ISAPnP device + */ + void ( * remove ) ( struct isapnp_device *isapnp ); +}; + +/** ISAPnP driver table */ +#define ISAPNP_DRIVERS __table ( struct isapnp_driver, "isapnp_drivers" ) + +/** Declare an ISAPnP driver */ +#define __isapnp_driver __table_entry ( ISAPNP_DRIVERS, 01 ) + +extern uint16_t isapnp_read_port; + +extern void isapnp_device_activation ( struct isapnp_device *isapnp, + int activation ); + +/** + * Activate ISAPnP device + * + * @v isapnp ISAPnP device + */ +static inline void activate_isapnp_device ( struct isapnp_device *isapnp ) { + isapnp_device_activation ( isapnp, 1 ); +} + +/** + * Deactivate ISAPnP device + * + * @v isapnp ISAPnP device + */ +static inline void deactivate_isapnp_device ( struct isapnp_device *isapnp ) { + isapnp_device_activation ( isapnp, 0 ); +} + +/** + * Set ISAPnP driver-private data + * + * @v isapnp ISAPnP device + * @v priv Private data + */ +static inline void isapnp_set_drvdata ( struct isapnp_device *isapnp, + void *priv ) { + isapnp->priv = priv; +} + +/** + * Get ISAPnP driver-private data + * + * @v isapnp ISAPnP device + * @ret priv Private data + */ +static inline void * isapnp_get_drvdata ( struct isapnp_device *isapnp ) { + return isapnp->priv; +} + +#endif /* ISAPNP_H */ |