Char: merge ip2main and ip2base

[linux-2.6-omap-h63xx.git] / drivers / char / ip2 / ip2main.c

diff --git a/drivers/char/ip2/ip2main.c b/drivers/char/ip2/ip2main.c
index 689f9dcd3b866f1bd6ca9e3a0f707f7b2de9cb39..79bca611d4294d622e1f35bbd93c5c2d117c9561 100644 (file)
--- 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()                                               */