david/ipxe
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Added friendly enable/disable functions

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This commit is contained in:
Michael Brown 2005-04-22 02:43:24 +00:00
parent 924143661a
commit 97346a75f7
4 changed files with 24 additions and 9 deletions
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7
src/drivers/bus/eisa.c
View File

@ -155,10 +155,10 @@ void eisa_fill_nic ( struct nic *nic, struct eisa_device *eisa ) {
}
/*
* Reset and enable an EISA device
* Reset and enable/disable an EISA device
*
*/
void enable_eisa_device ( struct eisa_device *eisa ) {
void eisa_device_enabled ( struct eisa_device *eisa, int enabled ) {
/* Set reset line high for 1000 µs. Spec says 500 µs, but
* this doesn't work for all cards, so we are conservative.
*/
@ -168,6 +168,7 @@ void enable_eisa_device ( struct eisa_device *eisa ) {
/* Set reset low and write a 1 to ENABLE. Delay again, in
* case the card takes a while to wake up.
*/
outb ( EISA_CMD_ENABLE, eisa->ioaddr + EISA_GLOBAL_CONFIG );
outb ( enabled ? EISA_CMD_ENABLE : 0,
eisa->ioaddr + EISA_GLOBAL_CONFIG );
udelay ( 1000 ); /* Must wait 800 */
}

6
src/drivers/bus/isapnp.c
View File

@ -607,8 +607,8 @@ struct bus_driver isapnp_driver __bus_driver = {
* arbitration.
*
*/
void activate_isapnp_device ( struct isapnp_device *isapnp,
int activate ) {
void isapnp_device_activation ( struct isapnp_device *isapnp,
int activation ) {
/* Wake the card and select the logical device */
isapnp_wait_for_key ();
isapnp_send_key ();
@ -616,7 +616,7 @@ void activate_isapnp_device ( struct isapnp_device *isapnp,
isapnp_logicaldevice ( isapnp->logdev );
/* Activate/deactivate the logical device */
isapnp_activate ( activate );
isapnp_activate ( activation );
isapnp_delay();
/* Return all cards to Wait for Key state */

9
src/include/eisa.h
View File

@ -75,9 +75,16 @@ struct eisa_driver {
* Functions in eisa.c
*
*/
extern void enable_eisa_device ( struct eisa_device *eisa );
extern void eisa_device_enabled ( struct eisa_device *eisa, int enabled );
extern void fill_eisa_nic ( struct nic *nic, struct eisa_device *eisa );
static inline void enable_eisa_device ( struct eisa_device *eisa ) {
eisa_device_enabled ( eisa, 1 );
}
static inline void disable_eisa_device ( struct eisa_device *eisa ) {
eisa_device_enabled ( eisa, 0 );
}
/*
* EISA bus global definition
*

11
src/include/isapnp.h
View File

@ -209,10 +209,17 @@ struct isapnp_driver {
* Functions in isapnp.c
*
*/
extern void activate_isapnp_device ( struct isapnp_device *isapnp,
int active );
extern void isapnp_device_activation ( struct isapnp_device *isapnp,
int activation );
extern void isapnp_fill_nic ( struct nic *nic, struct isapnp_device *isapnp );
static inline void activate_isapnp_device ( struct isapnp_device *isapnp ) {
isapnp_device_activation ( isapnp, 1 );
}
static inline void deactivate_isapnp_device ( struct isapnp_device *isapnp ) {
isapnp_device_activation ( isapnp, 0 );
}
/*
* ISAPnP bus global definition
*