265 lines
6.5 KiB
Objective-C
265 lines
6.5 KiB
Objective-C
#
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# Copyright (c) 1999 M. Warner Losh.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# $FreeBSD$
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#
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#include <sys/bus.h>
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#include <dev/pccard/pccardvar.h>
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INTERFACE card;
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# WARNING: THIS FILE IS USED BY BOTH OLDCARD AND NEWCARD. MAKE SURE
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# YOU TEST BOTH KERNELS IF CHANGING THIS FILE.
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#
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# Companion interface for pccard. We need to set attributes for memory
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# and i/o port mappings (as well as other types of attributes) that have
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# a well defined meaning inside the pccard/cardbus system. The bus
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# methods are inadequate for this because this must be done at the time the
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# resources are set for the device, which predates their activation. Also,
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# the driver activating the resources doesn't necessarily know or need to know
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# these attributes.
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#
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METHOD int set_res_flags {
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device_t dev;
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device_t child;
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int restype;
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int rid;
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u_long value;
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};
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METHOD int get_res_flags {
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device_t dev;
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device_t child;
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int restype;
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int rid;
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u_long *value;
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};
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#
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# Sets the memory offset of the pccard bridge's window into attribute
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# or common memory space.
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#
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METHOD int set_memory_offset {
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device_t dev;
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device_t child;
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int rid;
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u_int32_t cardaddr;
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u_int32_t *deltap;
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}
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METHOD int get_memory_offset {
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device_t dev;
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device_t child;
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int rid;
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u_int32_t *offset;
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}
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#
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# pccard bridges call this method to initate the attachment of a card
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#
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METHOD int attach_card {
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device_t dev;
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}
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#
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# pccard bridges call this to detach a card.
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#
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METHOD int detach_card {
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device_t dev;
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int flags;
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}
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#
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# pccard/cardbus buses call this to request a reprobe of the bus.
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# reprobe only initiated if the child bus is the same type the card inserted.
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#
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METHOD int reprobe_card {
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device_t dev;
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device_t child;
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}
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HEADER {
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#define DETACH_FORCE 0x01
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}
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#
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# Returns the type of card this is. Maybe we don't need this.
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#
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METHOD int get_type {
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device_t dev;
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int *type;
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}
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#
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# Returns the function number for this device.
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#
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METHOD int get_function {
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device_t dev;
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device_t child;
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int *func;
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}
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#
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# Activates (and powers up if necessary) the card's nth function
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# since each function gets its own device, there is no need to
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# to specify a function number
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#
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METHOD int activate_function {
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device_t dev;
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device_t child;
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}
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METHOD int deactivate_function {
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device_t dev;
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device_t child;
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}
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#
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# Compatibility methods for OLDCARD drivers. We use these routines to make
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# it possible to call the OLDCARD driver's probe routine in the context that
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# it expects. For OLDCARD these are implemented as pass throughs to the
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# device_{probe,attach} routines. For NEWCARD they are implemented such
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# such that probe becomes strictly a matching routine and attach does both
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# the old probe and old attach.
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#
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# compat devices should use the following:
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#
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# /* Device interface */
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# DEVMETHOD(device_probe), pccard_compat_probe),
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# DEVMETHOD(device_attach), pccard_compat_attach),
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# /* Card interface */
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# DEVMETHOD(card_compat_match, foo_match), /* newly written */
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# DEVMETHOD(card_compat_probe, foo_probe), /* old probe */
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# DEVMETHOD(card_compat_attach, foo_attach), /* old attach */
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#
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# This will allow a single driver binary image to be used for both
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# OLDCARD and NEWCARD.
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#
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# Drivers wishing to not retain OLDCARD compatibility needn't do this.
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#
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# The compat_do_* versions are so that we can make the pccard_compat_probe
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# and _attach static lines and have the bus system pick the right version
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# to use so we don't enshrine pccard_* symbols in the driver's module.
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#
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METHOD int compat_probe {
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device_t dev;
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}
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METHOD int compat_attach {
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device_t dev;
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}
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CODE {
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static int null_do_probe(device_t bus, device_t dev) __unused;
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static int null_do_probe(device_t bus, device_t dev)
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{
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return (CARD_COMPAT_DO_PROBE(device_get_parent(bus), dev));
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}
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static int null_do_attach(device_t bus, device_t dev)
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{
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return (CARD_COMPAT_DO_ATTACH(device_get_parent(bus), dev));
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}
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}
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METHOD int compat_do_probe {
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device_t bus;
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device_t dev;
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} DEFAULT null_do_attach;
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METHOD int compat_do_attach {
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device_t bus;
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device_t dev;
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} DEFAULT null_do_attach;
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METHOD struct pccard_product * do_product_lookup {
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device_t bus;
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device_t dev;
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const struct pccard_product *tab;
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size_t ent_size;
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pccard_product_match_fn matchfn;
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}
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#
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# Helper method for the above. When a compatibility driver is converted,
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# one must write a match routine. This routine is unused on OLDCARD but
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# is used as a discriminator for NEWCARD.
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#
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METHOD int compat_match {
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device_t dev;
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}
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#
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# Method for devices to ask its CIS-enabled parent bus for CIS info.
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# Device driver requests all tuples if type 'id', the routine places
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# 'nret' number of tuples in 'buff'. Returns 0 if all tuples processed,
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# or an error code if processing was aborted.
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# Users of this method will be responsible for freeing the memory allocated
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# by calling the cis_free method.
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#
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HEADER {
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struct cis_tupleinfo {
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u_int8_t id;
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int len;
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char *data;
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};
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};
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CODE {
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static int
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null_cis_read(device_t dev, device_t child, u_int8_t id,
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struct cis_tupleinfo **buff, int *nret)
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{
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*nret = 0;
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*buff = NULL;
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return ENXIO;
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}
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static void
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null_cis_free(device_t dev, struct cis_tupleinfo *buff, int *nret)
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{
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return;
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}
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};
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METHOD int cis_read {
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device_t dev;
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device_t child;
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u_int8_t id;
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struct cis_tupleinfo **buff;
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int *nret;
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} DEFAULT null_cis_read;
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METHOD int cis_free {
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device_t dev;
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struct cis_tupleinfo *buff;
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int nret;
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} DEFAULT null_cis_free;
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