Here we go:
----->8--------
--- orig.aha1542.c Mon Apr 26 18:09:12 1999
+++ aha1542.c Mon Apr 26 18:24:20 1999
@@ -18,6 +18,10 @@
* 1-Jan-97
* Modified by Bjorn L. Thordarson and Einar Thor Einarsson
* Recognize that DMA0 is valid DMA channel -- 13-Jul-98
+ * Modified by Eddie Mansu <spackle@one.net>
+ * Added support for insmod commandline parameter -- 18-Apr-99
+ * Currently only supports one card
+ * (same format as LILO commandline)
*/
#include <linux/module.h>
@@ -73,6 +77,9 @@
#define MAXBOARDS 2 /* Increase this and the sizes of the
arrays below, if you need more.. */
+#define NUMPARMS 4 /* The maximum number of integers passed to the
+ module (insmod commandline) */
+
static unsigned int bases[MAXBOARDS]={0x330, 0x334};
/* set by aha1542_setup according to the command line */
@@ -83,6 +90,29 @@
static char *setup_str[MAXBOARDS] = {(char *)NULL,(char *)NULL};
+/* These are used with insmod parameters */
+static int aha1542[NUMPARMS] = {
+ 0x0, /* base address */
+ 0, /* buson */
+ 0, /* busoff */
+ 0, /* dmaspeed */
+};
+
+static int base_address = 0;
+
+static int allowed_base_address[] = {0x130,0x134,0x230,0x234,0x330,0x334};
+static int buson = 0;
+static int allowed_buson[] = {2,3,4,5,6,7,8,9,10,11,12,13,14,15};
+static int busoff = 0;
+static int allowed_busoff[] = {1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,
+ 17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,
+ 33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,
+ 49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64};
+static int dmaspeed = 0;
+static int allowed_dmaspeed[] = {5,6,7,8,10};
+
+MODULE_PARM(aha1542, "1-" __MODULE_STRING(NUMPARMS) "i");
+
/*
* LILO params: aha1542=<PORTBASE>[,<BUSON>,<BUSOFF>[,<DMASPEED>]]
*
@@ -100,6 +130,15 @@
* Factory default is 5 MB/s.
*/
+/*
+ * insmod params: Follow same conventions as above.
+ */
+
+#define DEFAULT_BASE_ADDRESS 0x330
+#define DEFAULT_BUSON 11
+#define DEFAULT_BUSOFF 4
+#define DEFAULT_DMASPEED 5
+
#define BIOS_TRANSLATION_1632 0 /* Used by some old 1542A boards */
#define BIOS_TRANSLATION_6432 1 /* Default case these days */
#define BIOS_TRANSLATION_25563 2 /* Big disk case */
@@ -1591,6 +1630,111 @@
/* Eventually this will go into an include file, but this will be later */
Scsi_Host_Template driver_template = AHA1542;
-#include "scsi_module.c"
-#endif
+int init_module(void) {
+ int atbt = -1;
+ int ii;
+ const char *ahausage = "aha1542: usage: [aha1542=<a>,<b>,<c>,<d>]
+ <a> = <0x130,0x134,0x230,0x234,0x330,0x334>
+ <b> = <2..15>
+ <c> = <1..64>
+ <d> = <5..8,10>
+";
+
+ /* Deal with parameters passed to insmod */
+ base_address = aha1542[0];
+ buson = aha1542[1];
+ busoff = aha1542[2];
+ dmaspeed = aha1542[3];
+
+ if ( base_address == 0 )
+ /* User didn't specify an address, choose the default. */
+ base_address = DEFAULT_BASE_ADDRESS;
+ if ( buson == 0 )
+ /* User didn't specify a setting for buson, choose the default. */
+ buson = DEFAULT_BUSON;
+ if ( busoff == 0 )
+ /* User didn't specify a setting for busoff, choose the default. */
+ busoff = DEFAULT_BUSOFF;
+ if ( dmaspeed == 0 )
+ /* User didn't specify a setting for dmaspeed, choose the default. */
+ dmaspeed = DEFAULT_DMASPEED;
+
+ /* Make sure valid options were used, otherwise print usage and quit. */
+ for ( ii = 0 ; ii < sizeof(allowed_base_address)/sizeof(int) ; ii++ ) {
+ if ( base_address == allowed_base_address[ii] )
+ break;
+ }
+
+ if ( ii == sizeof(allowed_base_address)/sizeof(int) ) {
+ printk(ahausage);
+ return -1;
+ }
+ bases[0] = base_address;
+
+ for ( ii = 0 ; ii < sizeof(allowed_buson)/sizeof(int) ; ii++ ) {
+ if ( buson == allowed_buson[ii] )
+ break;
+ }
+
+ if ( ii == sizeof(allowed_buson)/sizeof(int) ) {
+ printk(ahausage);
+ return -1;
+ }
+ setup_buson[0] = buson;
+
+ for ( ii = 0 ; ii < sizeof(allowed_busoff)/sizeof(int) ; ii++ ) {
+ if ( busoff == allowed_busoff[ii] )
+ break;
+ }
+
+ if ( ii == sizeof(allowed_busoff)/sizeof(int) ) {
+ printk(ahausage);
+ return -1;
+ }
+ setup_busoff[0] = busoff;
+
+ for ( ii = 0 ; ii < sizeof(allowed_dmaspeed)/sizeof(int) ; ii++ ) {
+ if ( dmaspeed == allowed_dmaspeed[ii] )
+ break;
+ }
+
+ if ( ii == sizeof(allowed_dmaspeed)/sizeof(int) ) {
+ printk(ahausage);
+ return -1;
+ }
+
+ switch (dmaspeed) {
+ case 5:
+ atbt = 0x00;
+ break;
+ case 6:
+ atbt = 0x04;
+ break;
+ case 7:
+ atbt = 0x01;
+ break;
+ case 8:
+ atbt = 0x02;
+ break;
+ case 10:
+ atbt = 0x03;
+ break;
+ }
+
+ setup_dmaspeed[0] = atbt;
+
+ driver_template.module = &__this_module;
+ scsi_register_module(MODULE_SCSI_HA, &driver_template);
+ if (driver_template.present)
+ return 0;
+
+ scsi_unregister_module(MODULE_SCSI_HA, &driver_template);
+ return -1;
+}
+
+void cleanup_module( void) {
+ scsi_unregister_module(MODULE_SCSI_HA, &driver_template);
+}
+
+#endif
----->8----------
Again, please E-Mail to spackle@one.net; I may not see the replies posted
to the list. Thanks.
Eddie Mansu
spackle@one.net
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