mirror of
https://github.com/torvalds/linux.git
synced 2024-11-23 20:51:44 +00:00
111 lines
2.7 KiB
C
111 lines
2.7 KiB
C
|
// ip2.c
|
||
|
|
// This is a dummy module to make the firmware available when needed
|
||
|
|
// and allows it to be unloaded when not. Rumor is the __initdata
|
||
|
|
// macro doesn't always works on all platforms so we use this kludge.
|
||
|
|
// If not compiled as a module it just makes fip_firm avaliable then
|
||
|
|
// __initdata should work as advertized
|
||
|
|
//
|
||
|
|
|
||
|
|
#include <linux/module.h>
|
||
|
|
#include <linux/version.h>
|
||
|
|
#include <linux/init.h>
|
||
|
|
#include <linux/wait.h>
|
||
|
|
|
||
|
|
#ifndef __init
|
||
|
|
#define __init
|
||
|
|
#endif
|
||
|
|
#ifndef __initfunc
|
||
|
|
#define __initfunc(a) a
|
||
|
|
#endif
|
||
|
|
#ifndef __initdata
|
||
|
|
#define __initdata
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#include "./ip2/ip2types.h"
|
||
|
|
#include "./ip2/fip_firm.h" // the meat
|
||
|
|
|
||
|
|
int
|
||
|
|
ip2_loadmain(int *, int *, unsigned char *, int ); // ref into ip2main.c
|
||
|
|
|
||
|
|
/* Note: Add compiled in defaults to these arrays, not to the structure
|
||
|
|
in ip2/ip2.h any longer. That structure WILL get overridden
|
||
|
|
by these values, or command line values, or insmod values!!! =mhw=
|
||
|
|
*/
|
||
|
|
static int io[IP2_MAX_BOARDS]= { 0, 0, 0, 0 };
|
||
|
|
static int irq[IP2_MAX_BOARDS] = { -1, -1, -1, -1 };
|
||
|
|
|
||
|
|
static int poll_only = 0;
|
||
|
|
|
||
|
|
MODULE_AUTHOR("Doug McNash");
|
||
|
|
MODULE_DESCRIPTION("Computone IntelliPort Plus Driver");
|
||
|
|
module_param_array(irq, int, NULL, 0);
|
||
|
|
MODULE_PARM_DESC(irq,"Interrupts for IntelliPort Cards");
|
||
|
|
module_param_array(io, int, NULL, 0);
|
||
|
|
MODULE_PARM_DESC(io,"I/O ports for IntelliPort Cards");
|
||
|
|
module_param(poll_only, bool, 0);
|
||
|
|
MODULE_PARM_DESC(poll_only,"Do not use card interrupts");
|
||
|
|
|
||
|
|
|
||
|
|
static int __init ip2_init(void)
|
||
|
|
{
|
||
|
|
if( poll_only ) {
|
||
|
|
/* Hard lock the interrupts to zero */
|
||
|
|
irq[0] = irq[1] = irq[2] = irq[3] = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
return ip2_loadmain(io,irq,(unsigned char *)fip_firm,sizeof(fip_firm));
|
||
|
|
}
|
||
|
|
module_init(ip2_init);
|
||
|
|
|
||
|
|
MODULE_LICENSE("GPL");
|
||
|
|
|
||
|
|
#ifndef MODULE
|
||
|
|
/******************************************************************************
|
||
|
|
* ip2_setup:
|
||
|
|
* str: kernel command line string
|
||
|
|
*
|
||
|
|
* Can't autoprobe the boards so user must specify configuration on
|
||
|
|
* kernel command line. Sane people build it modular but the others
|
||
|
|
* come here.
|
||
|
|
*
|
||
|
|
* Alternating pairs of io,irq for up to 4 boards.
|
||
|
|
* ip2=io0,irq0,io1,irq1,io2,irq2,io3,irq3
|
||
|
|
*
|
||
|
|
* io=0 => No board
|
||
|
|
* io=1 => PCI
|
||
|
|
* io=2 => EISA
|
||
|
|
* else => ISA I/O address
|
||
|
|
*
|
||
|
|
* irq=0 or invalid for ISA will revert to polling mode
|
||
|
|
*
|
||
|
|
* Any value = -1, do not overwrite compiled in value.
|
||
|
|
*
|
||
|
|
******************************************************************************/
|
||
|
|
static int __init ip2_setup(char *str)
|
||
|
|
{
|
||
|
|
int ints[10]; /* 4 boards, 2 parameters + 2 */
|
||
|
|
int i, j;
|
||
|
|
|
||
|
|
str = get_options (str, ARRAY_SIZE(ints), ints);
|
||
|
|
|
||
|
|
for( i = 0, j = 1; i < 4; i++ ) {
|
||
|
|
if( j > ints[0] ) {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
if( ints[j] >= 0 ) {
|
||
|
|
io[i] = ints[j];
|
||
|
|
}
|
||
|
|
j++;
|
||
|
|
if( j > ints[0] ) {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
if( ints[j] >= 0 ) {
|
||
|
|
irq[i] = ints[j];
|
||
|
|
}
|
||
|
|
j++;
|
||
|
|
}
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
__setup("ip2=", ip2_setup);
|
||
|
|
#endif /* !MODULE */
|