diff options
Diffstat (limited to 'drivers/char/ip2/ip2main.c')
-rw-r--r-- | drivers/char/ip2/ip2main.c | 92 |
1 files changed, 76 insertions, 16 deletions
diff --git a/drivers/char/ip2/ip2main.c b/drivers/char/ip2/ip2main.c index 689f9dc..79bca61 100644 --- a/drivers/char/ip2/ip2main.c +++ b/drivers/char/ip2/ip2main.c @@ -157,9 +157,6 @@ static char *pcVersion = "1.2.14"; static char *pcDriver_name = "ip2"; static char *pcIpl = "ip2ipl"; -// cheezy kludge or genius - you decide? -int ip2_loadmain(int *, int *); - /***********************/ /* Function Prototypes */ /***********************/ @@ -287,6 +284,7 @@ static int tracewrap; MODULE_AUTHOR("Doug McNash"); MODULE_DESCRIPTION("Computone IntelliPort Plus Driver"); +MODULE_LICENSE("GPL"); static int poll_only = 0; @@ -297,6 +295,22 @@ static int iindx; static char rirqs[IP2_MAX_BOARDS]; static int Valid_Irqs[] = { 3, 4, 5, 7, 10, 11, 12, 15, 0}; +/* Note: Add compiled in defaults to these arrays, not to the structure + in 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]; +static int irq[IP2_MAX_BOARDS] = { -1, -1, -1, -1 }; + +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"); + /* for sysfs class support */ static struct class *ip2_class; @@ -494,8 +508,53 @@ static const struct firmware *ip2_request_firmware(void) return fw; } -int -ip2_loadmain(int *iop, int *irqp) +#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 j, ints[10]; /* 4 boards, 2 parameters + 2 */ + unsigned int i; + + 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 */ + +static int ip2_loadmain(void) { int i, j, box; int err = 0; @@ -505,6 +564,11 @@ ip2_loadmain(int *iop, int *irqp) static struct pci_dev *pci_dev_i = NULL; const struct firmware *fw = NULL; + if (poll_only) { + /* Hard lock the interrupts to zero */ + irq[0] = irq[1] = irq[2] = irq[3] = poll_only = 0; + } + ip2trace (ITRC_NO_PORT, ITRC_INIT, ITRC_ENTER, 0 ); /* process command line arguments to modprobe or @@ -512,14 +576,11 @@ ip2_loadmain(int *iop, int *irqp) /* irqp and iop should ALWAYS be specified now... But we check them individually just to be sure, anyways... */ for ( i = 0; i < IP2_MAX_BOARDS; ++i ) { - if (iop) { - ip2config.addr[i] = iop[i]; - if (irqp) { - if( irqp[i] >= 0 ) { - ip2config.irq[i] = irqp[i]; - } else { - ip2config.irq[i] = 0; - } + ip2config.addr[i] = io[i]; + if (irq[i] >= 0) + ip2config.irq[i] = irq[i]; + else + ip2config.irq[i] = 0; // This is a little bit of a hack. If poll_only=1 on command // line back in ip2.c OR all IRQs on all specified boards are // explicitly set to 0, then drop to poll only mode and override @@ -531,9 +592,7 @@ ip2_loadmain(int *iop, int *irqp) // to -1, is to use 0 as a hard coded, do not probe. // // /\/\|=mhw=|\/\/ - poll_only |= irqp[i]; - } - } + poll_only |= irq[i]; } poll_only = !poll_only; @@ -783,6 +842,7 @@ out_chrdev: out: return err; } +module_init(ip2_loadmain); /******************************************************************************/ /* Function: ip2_init_board() */ |