// 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 #include #include #include #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 }; #ifdef MODULE static int poll_only = 0; # if LINUX_VERSION_CODE >= KERNEL_VERSION(2,1,0) MODULE_AUTHOR("Doug McNash"); MODULE_DESCRIPTION("Computone IntelliPort Plus Driver"); MODULE_PARM(irq,"1-"__MODULE_STRING(IP2_MAX_BOARDS) "i"); MODULE_PARM_DESC(irq,"Interrupts for IntelliPort Cards"); MODULE_PARM(io,"1-"__MODULE_STRING(IP2_MAX_BOARDS) "i"); MODULE_PARM_DESC(io,"I/O ports for IntelliPort Cards"); MODULE_PARM(poll_only,"1i"); MODULE_PARM_DESC(poll_only,"Do not use card interrupts"); # endif /* LINUX_VERSION */ //====================================================================== int init_module(void) { int rc; MOD_INC_USE_COUNT; // hold till done if( poll_only ) { /* Hard lock the interrupts to zero */ irq[0] = irq[1] = irq[2] = irq[3] = 0; } rc = ip2_loadmain(io,irq,(unsigned char *)fip_firm,sizeof(fip_firm)); // The call to lock and load main, create dep MOD_DEC_USE_COUNT; //done - kerneld now can unload us return rc; } //====================================================================== int ip2_init(void) { // call to this is in tty_io.c so we need this return 0; } //====================================================================== void cleanup_module(void) { } MODULE_LICENSE("GPL"); #else // !MODULE #ifndef NULL # define NULL ((void *) 0) #endif /****************************************************************************** * 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; } int ip2_init(void) { return ip2_loadmain(io,irq,(unsigned char *)fip_firm,sizeof(fip_firm)); } #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,3,13)) __setup("ip2=", ip2_setup); __initcall(ip2_init); #endif #endif /* !MODULE */