| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 1 | // ip2.c |
| 2 | // This is a dummy module to make the firmware available when needed |
| 3 | // and allows it to be unloaded when not. Rumor is the __initdata |
| 4 | // macro doesn't always works on all platforms so we use this kludge. |
| 5 | // If not compiled as a module it just makes fip_firm avaliable then |
| 6 | // __initdata should work as advertized |
| 7 | // |
| 8 | |
| 9 | #include <linux/module.h> |
| 10 | #include <linux/version.h> |
| 11 | #include <linux/init.h> |
| 12 | #include <linux/wait.h> |
| 13 | |
| 14 | #ifndef __init |
| 15 | #define __init |
| 16 | #endif |
| 17 | #ifndef __initfunc |
| 18 | #define __initfunc(a) a |
| 19 | #endif |
| 20 | #ifndef __initdata |
| 21 | #define __initdata |
| 22 | #endif |
| 23 | |
| 24 | #include "./ip2/ip2types.h" |
| 25 | #include "./ip2/fip_firm.h" // the meat |
| 26 | |
| 27 | int |
| 28 | ip2_loadmain(int *, int *, unsigned char *, int ); // ref into ip2main.c |
| 29 | |
| 30 | /* Note: Add compiled in defaults to these arrays, not to the structure |
| 31 | in ip2/ip2.h any longer. That structure WILL get overridden |
| 32 | by these values, or command line values, or insmod values!!! =mhw= |
| 33 | */ |
| 34 | static int io[IP2_MAX_BOARDS]= { 0, 0, 0, 0 }; |
| 35 | static int irq[IP2_MAX_BOARDS] = { -1, -1, -1, -1 }; |
| 36 | |
| 37 | static int poll_only = 0; |
| 38 | |
| 39 | MODULE_AUTHOR("Doug McNash"); |
| 40 | MODULE_DESCRIPTION("Computone IntelliPort Plus Driver"); |
| 41 | module_param_array(irq, int, NULL, 0); |
| 42 | MODULE_PARM_DESC(irq,"Interrupts for IntelliPort Cards"); |
| 43 | module_param_array(io, int, NULL, 0); |
| 44 | MODULE_PARM_DESC(io,"I/O ports for IntelliPort Cards"); |
| 45 | module_param(poll_only, bool, 0); |
| 46 | MODULE_PARM_DESC(poll_only,"Do not use card interrupts"); |
| 47 | |
| 48 | |
| 49 | static int __init ip2_init(void) |
| 50 | { |
| 51 | if( poll_only ) { |
| 52 | /* Hard lock the interrupts to zero */ |
| 53 | irq[0] = irq[1] = irq[2] = irq[3] = 0; |
| 54 | } |
| 55 | |
| 56 | return ip2_loadmain(io,irq,(unsigned char *)fip_firm,sizeof(fip_firm)); |
| 57 | } |
| 58 | module_init(ip2_init); |
| 59 | |
| 60 | MODULE_LICENSE("GPL"); |
| 61 | |
| 62 | #ifndef MODULE |
| 63 | /****************************************************************************** |
| 64 | * ip2_setup: |
| 65 | * str: kernel command line string |
| 66 | * |
| 67 | * Can't autoprobe the boards so user must specify configuration on |
| 68 | * kernel command line. Sane people build it modular but the others |
| 69 | * come here. |
| 70 | * |
| 71 | * Alternating pairs of io,irq for up to 4 boards. |
| 72 | * ip2=io0,irq0,io1,irq1,io2,irq2,io3,irq3 |
| 73 | * |
| 74 | * io=0 => No board |
| 75 | * io=1 => PCI |
| 76 | * io=2 => EISA |
| 77 | * else => ISA I/O address |
| 78 | * |
| 79 | * irq=0 or invalid for ISA will revert to polling mode |
| 80 | * |
| 81 | * Any value = -1, do not overwrite compiled in value. |
| 82 | * |
| 83 | ******************************************************************************/ |
| 84 | static int __init ip2_setup(char *str) |
| 85 | { |
| 86 | int ints[10]; /* 4 boards, 2 parameters + 2 */ |
| 87 | int i, j; |
| 88 | |
| 89 | str = get_options (str, ARRAY_SIZE(ints), ints); |
| 90 | |
| 91 | for( i = 0, j = 1; i < 4; i++ ) { |
| 92 | if( j > ints[0] ) { |
| 93 | break; |
| 94 | } |
| 95 | if( ints[j] >= 0 ) { |
| 96 | io[i] = ints[j]; |
| 97 | } |
| 98 | j++; |
| 99 | if( j > ints[0] ) { |
| 100 | break; |
| 101 | } |
| 102 | if( ints[j] >= 0 ) { |
| 103 | irq[i] = ints[j]; |
| 104 | } |
| 105 | j++; |
| 106 | } |
| 107 | return 1; |
| 108 | } |
| 109 | __setup("ip2=", ip2_setup); |
| 110 | #endif /* !MODULE */ |