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author | phk <phk@FreeBSD.org> | 1995-08-24 08:56:20 +0000 |
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committer | phk <phk@FreeBSD.org> | 1995-08-24 08:56:20 +0000 |
commit | cb797b9f3a51481777017af541d45fbb632918bd (patch) | |
tree | 79ea479f1d023d0a1dee6bad52acfca88dedd705 /sys/pccard/cis.h | |
parent | ae1e6673d90921816b6cdd6c732b2c8d0f5afcfa (diff) | |
download | FreeBSD-src-cb797b9f3a51481777017af541d45fbb632918bd.zip FreeBSD-src-cb797b9f3a51481777017af541d45fbb632918bd.tar.gz |
Andrew McRae's pcmcia/pccard code, the kernel part.
This is still very green, but I have managed to get my modem working.
Lots of work still to do, but now at least we can commit it. /phk
Reviewed by: phk
Submitted by: Andrew McRae <andrew@mega.com.au>
Diffstat (limited to 'sys/pccard/cis.h')
-rw-r--r-- | sys/pccard/cis.h | 250 |
1 files changed, 250 insertions, 0 deletions
diff --git a/sys/pccard/cis.h b/sys/pccard/cis.h new file mode 100644 index 0000000..677b197 --- /dev/null +++ b/sys/pccard/cis.h @@ -0,0 +1,250 @@ + +/* + * PCMCIA card structures and defines. + * These defines relate to the user level + * structures and card information, not + * driver/process communication. + *------------------------------------------------------------------------- + * + * Copyright (c) 1995 Andrew McRae. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * Card Information Structure tuples definitions + * The structure of a tuple is basically: + * + * Tuple_code + * Tuple_data_length + * Tuple_data ... + * + * Tuples are contiguous in attribute memory, and + * are terminated with a 0xFF for the tuple code or + * the tuple length. + */ +#define CIS_NULL 0 /* Empty tuple */ +#define CIS_MEM_COMMON 0x01 /* Device descriptor, common memory */ +#define CIS_CHECKSUM 0x10 /* Checksum */ +#define CIS_LONGLINK_A 0x11 /* Link to Attribute memory */ +#define CIS_LONGLINK_C 0x12 /* Link to Common memory */ +#define CIS_LINKTARGET 0x13 /* Linked tuple must start with this. */ +#define CIS_NOLINK 0x14 /* Assume no common memory link tuple. */ +#define CIS_INFO_V1 0x15 /* Card info data, version 1 */ +#define CIS_ALTSTR 0x16 /* Alternate language string tuple. */ +#define CIS_MEM_ATTR 0x17 /* Device descriptor, Attribute memory */ +#define CIS_JEDEC_C 0x18 /* JEDEC descr for common memory */ +#define CIS_JEDEC_A 0x19 /* JEDEC descr for Attribute memory */ +#define CIS_CONF_MAP 0x1A /* Card Configuration map */ +#define CIS_CONFIG 0x1B /* Card Configuration entry */ +#define CIS_DEVICE_OC 0x1C /* Other conditions info - common memory */ +#define CIS_DEVICE_OA 0x1D /* Other conditions info - attribute memory */ +#define CIS_DEVICEGEO 0x1E /* Geometry info for common memory */ +#define CIS_DEVICEGEO_A 0x1F /* Geometry info for attribute memory */ +#define CIS_MANUF_ID 0x20 /* Card manufacturer's ID */ +#define CIS_FUNC_ID 0x21 /* Function of card */ +#define CIS_FUNC_EXT 0x22 /* Functional extension */ +/* + * Data recording format tuples. + */ +#define CIS_SW_INTERLV 0x23 /* Software interleave */ +#define CIS_VERS_2 0x40 /* Card info data, version 2 */ +#define CIS_FORMAT 0x41 /* Memory card format */ +#define CIS_GEOMETRY 0x42 /* Disk sector layout */ +#define CIS_BYTEORDER 0x43 /* Byte order of memory data */ +#define CIS_DATE 0x44 /* Format data/time */ +#define CIS_BATTERY 0x45 /* Battery replacement date */ +#define CIS_ORG 0x46 /* Organisation of data on card */ +#define CIS_END 0xFF /* Termination code */ + +/* + * Internal tuple definitions. + * + * Device descriptor for memory (CIS_MEM_ATTR, CIS_MEM_COMMON) + * + * Byte 1: + * 0xF0 - Device type + * 0x08 - Write protect switch + * 0x07 - Speed index (7 = extended speed) + * Byte 2: Extended speed (bit 7 = another follows) + * Byte 3: (ignored if 0xFF) + * 0xF8 - Addressable units (0's numbered) + * 0x07 - Unit size + * The three byte sequence is repeated until byte 1 == 0xFF + */ + +/* + * CIS_INFO_V1 - Version one card information. + * + * Byte 1: Major version number (should be 4) + * Byte 2: Minor version number (should be 1) + * Byte 3-x: Null terminated Manufacturer name + * Byte x-x: Null terminated product name + * Byte x-x: Null terminated additional info 1 + * Byte x-x: Null terminated additional info 2 + * Byte x: final byte must be 0xFF + */ +#define CIS_MAJOR_VERSION 4 +#define CIS_MINOR_VERSION 1 + +/* + * CIS_CONF_MAP - Provides an address map for the card + * configuration register(s), and a max value + * identifying the last configuration tuple. + * + * Byte 1: + * 0x3C - Register mask size (0's numbered) + * 0x03 - Register address size (0's numbered) + * Byte 2: + * 0x3F - ID of last configuration. + * Byte 3-n: Card register address (size is determined by + * the value in byte 1). + * Byte x-x: Card register masks (size determined by the + * value in byte 1) + */ + +/* + * CIS_CONFIG - Card configuration entry. Multiple tuples may + * exist of this type, each one describing a different + * memory/I-O map that can be used to address this card. + * The first one usually has extra config data about the + * card features. The final configuration tuple number + * is stored in the CIS_CONF_MAP tuple so that the complete + * list can be scanned. + * + * Byte 1: + * 0x3F - Configuration ID number. + * 0x40 - Indicates this is the default configuration + * 0x80 - Interface byte exists + * Byte 2: (exists only if bit 0x80 set in byte 1) + * 0x0F - Interface type value + * 0x10 - Battery voltage detect + * 0x20 - Write protect active + * 0x40 - RdyBsy active bit + * 0x80 - Wait signal required + * Byte 3: (features byte) + * 0x03 - Power sub-tuple(s) exists + * 0x04 - Timing sub-tuple exists + * 0x08 - I/O space sub-tuple exists + * 0x10 - IRQ sub-tuple exists + * 0x60 - Memory space sub-tuple(s) exists + * 0x80 - Miscellaneous sub-tuple exists + */ +#define CIS_FEAT_POWER(x) ((x) & 0x3) +#define CIS_FEAT_TIMING 0x4 +#define CIS_FEAT_I_O 0x8 +#define CIS_FEAT_IRQ 0x10 +#define CIS_FEAT_MEMORY(x) (((x) >> 5) & 0x3) +#define CIS_FEAT_MISC 0x80 +/* + * Depending on whether the "features" byte has the corresponding + * bit set, a number of sub-tuples follow. Some features have + * more than one sub-tuple, depending on the count within the + * features byte (e.g power feature bits allows up to 3 sub-tuples). + * + * Power structure sub-tuple: + * Byte 1: parameter exists - Each bit (starting from 0x01) indicates + * that a parameter block exists - up to 8 parameter blocks + * are therefore allowed). + * Byte 2: + * 0x7F - Parameter data + * 0x80 - More bytes follow (0 = last byte) + * + * Timing sub-tuple + * Byte 1: + * 0x03 - Wait scale + * 0x1C - Ready scale + * 0xE0 - Reserved scale + * Byte 2: extended wait scale if wait scale != 3 + * Byte 3: extended ready scale if ready scale != 7 + * Byte 4: extended reserved scale if reserved scale != 7 + */ +#define CIS_WAIT_SCALE(x) ((x) & 0x3) +#define CIS_READY_SCALE(x) (((x)>>2) & 0x7) +#define CIS_RESERVED_SCALE(x) (((x)>>5) & 0x7) +/* + * I/O mapping sub-tuple: + * Byte 1: + * 0x1F - I/O address lines + * 0x20 - 8 bit I/O + * 0x40 - 16 bit I/O + * 0x80 - I/O range?? + * Byte 2: + * 0x0F - 0's numbered count of I/O block subtuples following. + * 0x30 - Size of I/O address value within subtuple. Values + * can be 1 (8 bits), 2 (16 bits) or 3 (32 bits). + * 0xC0 - Size of I/O port block size value within subtuple. + * I/O block sub-tuples, count from previous block: + * Byte 1-n: I/O start address + * Byte x-x: Size of I/O port block. + */ +#define CIS_IO_ADDR(x) ((x) & 0x1F) +#define CIS_IO_8BIT 0x20 +#define CIS_IO_16BIT 0x40 +#define CIS_IO_RANGE 0x80 +#define CIS_IO_BLKS(x) ((x) & 0xF) +#define CIS_IO_ADSZ(x) (((x)>>4) & 3) +#define CIS_IO_BLKSZ(x) (((x)>>6) & 3) +/* + * IRQ sub-tuple. + * Byte 1: + * 0x0F - Irq number or mask bits + * 0x10 - IRQ mask values exist + * 0x20 - Level triggered interrupts + * 0x40 - Pulse triggered requests + * 0x80 - Interrupt sharing. + * Byte 2-3: Interrupt req mask (if 0x10 of byte 1 set). + */ +#define CIS_IRQ_IRQN(x) ((x) & 0xF) +#define CIS_IRQ_MASK 0x10 +#define CIS_IRQ_LEVEL 0x20 +#define CIS_IRQ_PULSE 0x40 +#define CIS_IRQ_SHARING 0x80 +/* + * Memory block subtuple. Depending on the features bits, the + * following subtuples are used: + * mem features == 1 + * Byte 1-2: upper 16 bits of 24 bit memory length. + * mem features == 2 + * Byte 1-2: upper 16 bits of 24 bit memory length. + * Byte 3-4: upper 16 bits of 24 bit memory address. + * mem_features == 3 + * Byte 1: + * 0x07 - 0's numbered count of memory sub-tuples + * 0x18 - Memory length size (1's numbered) + * 0x60 - Memory address size (1's numbered) + * 0x80 - Host address value exists + * Memory sub-tuples follow: + * Byte 1-n: Memory length value (<< 8) + * Byte n-n: Memory card address value (<< 8) + * Byte n-n: Memory host address value (<< 8) + */ +#define CIS_FEAT_MEM_NONE 0 /* No memory config */ +#define CIS_FEAT_MEM_LEN 1 /* Just length */ +#define CIS_FEAT_MEM_ADDR 2 /* Card address & length */ +#define CIS_FEAT_MEM_WIN 3 /* Multiple windows */ + +#define CIS_MEM_WINS(x) (((x) & 0x7)+1) +#define CIS_MEM_LENSZ(x) (((x) >> 3) & 0x3) +#define CIS_MEM_ADDRSZ(x) (((x) >> 5) & 0x3) +#define CIS_MEM_HOST 0x80 |