aboutsummaryrefslogtreecommitdiff
path: root/drivers/char/ip2/ip2main.c
diff options
context:
space:
mode:
authorJiri Slaby <jirislaby@gmail.com>2008-10-13 10:34:27 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2008-10-13 09:51:39 -0700
commit47babd4c6a16915aeb15d4216d91f03910572982 (patch)
treeca30c2ca459e5e91ccb657be4367e51043d73801 /drivers/char/ip2/ip2main.c
parent1361b7d3592b006574fb3cfeb21a02d520cca315 (diff)
Char: merge ip2main and ip2base
It's pretty useless to have one setup() function separated along with module_init() which only calls a function from ip2main anyway. Get rid of ip2base. Remove also checks of always-true now. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/char/ip2/ip2main.c')
-rw-r--r--drivers/char/ip2/ip2main.c92
1 files changed, 76 insertions, 16 deletions
diff --git a/drivers/char/ip2/ip2main.c b/drivers/char/ip2/ip2main.c
index 689f9dcd3b8..79bca611d42 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() */