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Diffstat (limited to 'drivers/dio/dio.c')
-rw-r--r--drivers/dio/dio.c140
1 files changed, 69 insertions, 71 deletions
diff --git a/drivers/dio/dio.c b/drivers/dio/dio.c
index 4c06c93c93d3..005a82f671c3 100644
--- a/drivers/dio/dio.c
+++ b/drivers/dio/dio.c
@@ -2,27 +2,27 @@
/* Code to support devices on the DIO and DIO-II bus
* Copyright (C) 05/1998 Peter Maydell <pmaydell@chiark.greenend.org.uk>
* Copyright (C) 2004 Jochen Friedrich <jochen@scram.de>
- *
+ *
* This code has basically these routines at the moment:
* int dio_find(u_int deviceid)
* Search the list of DIO devices and return the select code
* of the next unconfigured device found that matches the given device ID.
* Note that the deviceid parameter should be the encoded ID.
- * This means that framebuffers should pass it as
+ * This means that framebuffers should pass it as
* DIO_ENCODE_ID(DIO_ID_FBUFFER,DIO_ID2_TOPCAT)
* (or whatever); everybody else just uses DIO_ID_FOOBAR.
* unsigned long dio_scodetophysaddr(int scode)
* Return the physical address corresponding to the given select code.
* int dio_scodetoipl(int scode)
- * Every DIO card has a fixed interrupt priority level. This function
+ * Every DIO card has a fixed interrupt priority level. This function
* returns it, whatever it is.
* const char *dio_scodetoname(int scode)
- * Return a character string describing this board [might be "" if
+ * Return a character string describing this board [might be "" if
* not CONFIG_DIO_CONSTANTS]
* void dio_config_board(int scode) mark board as configured in the list
* void dio_unconfig_board(int scode) mark board as no longer configured
*
- * This file is based on the way the Amiga port handles Zorro II cards,
+ * This file is based on the way the Amiga port handles Zorro II cards,
* although we aren't so complicated...
*/
#include <linux/module.h>
@@ -33,7 +33,7 @@
#include <linux/dio.h>
#include <linux/slab.h> /* kmalloc() */
#include <linux/uaccess.h>
-#include <asm/io.h> /* readb() */
+#include <linux/io.h> /* readb() */
struct dio_bus dio_bus = {
.resources = {
@@ -52,38 +52,36 @@ struct dio_bus dio_bus = {
/* We associate each numeric ID with an appropriate descriptive string
* using a constant array of these structs.
* FIXME: we should be able to arrange to throw away most of the strings
- * using the initdata stuff. Then we wouldn't need to worry about
+ * using the initdata stuff. Then we wouldn't need to worry about
* carrying them around...
- * I think we do this by copying them into newly kmalloc()ed memory and
+ * I think we do this by copying them into newly kmalloc()ed memory and
* marking the names[] array as .initdata ?
*/
-struct dioname
-{
- int id;
- const char *name;
+struct dioname {
+ int id;
+ const char *name;
};
/* useful macro */
#define DIONAME(x) { DIO_ID_##x, DIO_DESC_##x }
-#define DIOFBNAME(x) { DIO_ENCODE_ID( DIO_ID_FBUFFER, DIO_ID2_##x), DIO_DESC2_##x }
-
-static struct dioname names[] =
-{
- DIONAME(DCA0), DIONAME(DCA0REM), DIONAME(DCA1), DIONAME(DCA1REM),
- DIONAME(DCM), DIONAME(DCMREM),
- DIONAME(LAN),
- DIONAME(FHPIB), DIONAME(NHPIB),
- DIONAME(SCSI0), DIONAME(SCSI1), DIONAME(SCSI2), DIONAME(SCSI3),
- DIONAME(FBUFFER),
- DIONAME(PARALLEL), DIONAME(VME), DIONAME(DCL), DIONAME(DCLREM),
- DIONAME(MISC0), DIONAME(MISC1), DIONAME(MISC2), DIONAME(MISC3),
- DIONAME(MISC4), DIONAME(MISC5), DIONAME(MISC6), DIONAME(MISC7),
- DIONAME(MISC8), DIONAME(MISC9), DIONAME(MISC10), DIONAME(MISC11),
- DIONAME(MISC12), DIONAME(MISC13),
- DIOFBNAME(GATORBOX), DIOFBNAME(TOPCAT), DIOFBNAME(RENAISSANCE),
- DIOFBNAME(LRCATSEYE), DIOFBNAME(HRCCATSEYE), DIOFBNAME(HRMCATSEYE),
- DIOFBNAME(DAVINCI), DIOFBNAME(XXXCATSEYE), DIOFBNAME(HYPERION),
- DIOFBNAME(XGENESIS), DIOFBNAME(TIGER), DIOFBNAME(YGENESIS)
+#define DIOFBNAME(x) { DIO_ENCODE_ID(DIO_ID_FBUFFER, DIO_ID2_##x), DIO_DESC2_##x }
+
+static struct dioname names[] = {
+ DIONAME(DCA0), DIONAME(DCA0REM), DIONAME(DCA1), DIONAME(DCA1REM),
+ DIONAME(DCM), DIONAME(DCMREM),
+ DIONAME(LAN),
+ DIONAME(FHPIB), DIONAME(NHPIB),
+ DIONAME(SCSI0), DIONAME(SCSI1), DIONAME(SCSI2), DIONAME(SCSI3),
+ DIONAME(FBUFFER),
+ DIONAME(PARALLEL), DIONAME(VME), DIONAME(DCL), DIONAME(DCLREM),
+ DIONAME(MISC0), DIONAME(MISC1), DIONAME(MISC2), DIONAME(MISC3),
+ DIONAME(MISC4), DIONAME(MISC5), DIONAME(MISC6), DIONAME(MISC7),
+ DIONAME(MISC8), DIONAME(MISC9), DIONAME(MISC10), DIONAME(MISC11),
+ DIONAME(MISC12), DIONAME(MISC13),
+ DIOFBNAME(GATORBOX), DIOFBNAME(TOPCAT), DIOFBNAME(RENAISSANCE),
+ DIOFBNAME(LRCATSEYE), DIOFBNAME(HRCCATSEYE), DIOFBNAME(HRMCATSEYE),
+ DIOFBNAME(DAVINCI), DIOFBNAME(XXXCATSEYE), DIOFBNAME(HYPERION),
+ DIOFBNAME(XGENESIS), DIOFBNAME(TIGER), DIOFBNAME(YGENESIS)
};
#undef DIONAME
@@ -94,13 +92,14 @@ static const char unknowndioname[]
static const char *dio_getname(int id)
{
- /* return pointer to a constant string describing the board with given ID */
+ /* return pointer to a constant string describing the board with given ID */
unsigned int i;
+
for (i = 0; i < ARRAY_SIZE(names); i++)
- if (names[i].id == id)
- return names[i].name;
+ if (names[i].id == id)
+ return names[i].name;
- return unknowndioname;
+ return unknowndioname;
}
#else
@@ -122,10 +121,10 @@ int __init dio_find(int deviceid)
void *va;
unsigned long pa;
- if (DIO_SCINHOLE(scode))
- continue;
+ if (DIO_SCINHOLE(scode))
+ continue;
- pa = dio_scodetophysaddr(scode);
+ pa = dio_scodetophysaddr(scode);
if (!pa)
continue;
@@ -139,15 +138,15 @@ int __init dio_find(int deviceid)
(unsigned char *)va + DIO_IDOFF, 1)) {
if (scode >= DIOII_SCBASE)
iounmap(va);
- continue; /* no board present at that select code */
+ continue; /* no board present at that select code */
}
prid = DIO_ID(va);
- if (DIO_NEEDSSECID(prid)) {
- secid = DIO_SECID(va);
- id = DIO_ENCODE_ID(prid, secid);
- } else
+ if (DIO_NEEDSSECID(prid)) {
+ secid = DIO_SECID(va);
+ id = DIO_ENCODE_ID(prid, secid);
+ } else
id = prid;
if (id == deviceid) {
@@ -175,7 +174,7 @@ static int __init dio_init(void)
printk(KERN_INFO "Scanning for DIO devices...\n");
- /* Initialize the DIO bus */
+ /* Initialize the DIO bus */
INIT_LIST_HEAD(&dio_bus.devices);
dev_set_name(&dio_bus.dev, "dio");
error = device_register(&dio_bus.dev);
@@ -190,14 +189,13 @@ static int __init dio_init(void)
request_resource(&iomem_resource, &dio_bus.resources[i]);
/* Register all devices */
- for (scode = 0; scode < DIO_SCMAX; ++scode)
- {
- u_char prid, secid = 0; /* primary, secondary ID bytes */
- u_char *va;
+ for (scode = 0; scode < DIO_SCMAX; ++scode) {
+ u_char prid, secid = 0; /* primary, secondary ID bytes */
+ u_char *va;
unsigned long pa;
-
- if (DIO_SCINHOLE(scode))
- continue;
+
+ if (DIO_SCINHOLE(scode))
+ continue;
pa = dio_scodetophysaddr(scode);
@@ -213,10 +211,10 @@ static int __init dio_init(void)
(unsigned char *)va + DIO_IDOFF, 1)) {
if (scode >= DIOII_SCBASE)
iounmap(va);
- continue; /* no board present at that select code */
+ continue; /* no board present at that select code */
}
- /* Found a board, allocate it an entry in the list */
+ /* Found a board, allocate it an entry in the list */
dev = kzalloc(sizeof(struct dio_dev), GFP_KERNEL);
if (!dev)
return -ENOMEM;
@@ -229,19 +227,19 @@ static int __init dio_init(void)
dev->resource.end = pa + DIO_SIZE(scode, va);
dev_set_name(&dev->dev, "%02x", scode);
- /* read the ID byte(s) and encode if necessary. */
+ /* read the ID byte(s) and encode if necessary. */
prid = DIO_ID(va);
- if (DIO_NEEDSSECID(prid)) {
- secid = DIO_SECID(va);
- dev->id = DIO_ENCODE_ID(prid, secid);
- } else
- dev->id = prid;
+ if (DIO_NEEDSSECID(prid)) {
+ secid = DIO_SECID(va);
+ dev->id = DIO_ENCODE_ID(prid, secid);
+ } else
+ dev->id = prid;
- dev->ipl = DIO_IPL(va);
- strcpy(dev->name,dio_getname(dev->id));
+ dev->ipl = DIO_IPL(va);
+ strcpy(dev->name, dio_getname(dev->id));
printk(KERN_INFO "select code %3d: ipl %d: ID %02X", dev->scode, dev->ipl, prid);
- if (DIO_NEEDSSECID(prid))
+ if (DIO_NEEDSSECID(prid))
printk(":%02X", secid);
printk(": %s\n", dev->name);
@@ -256,7 +254,7 @@ static int __init dio_init(void)
error = dio_create_sysfs_dev_files(dev);
if (error)
dev_err(&dev->dev, "Error creating sysfs files\n");
- }
+ }
return 0;
}
@@ -267,12 +265,12 @@ subsys_initcall(dio_init);
*/
unsigned long dio_scodetophysaddr(int scode)
{
- if (scode >= DIOII_SCBASE) {
- return (DIOII_BASE + (scode - 132) * DIOII_DEVSIZE);
- } else if (scode > DIO_SCMAX || scode < 0)
- return 0;
- else if (DIO_SCINHOLE(scode))
- return 0;
-
- return (DIO_BASE + scode * DIO_DEVSIZE);
+ if (scode >= DIOII_SCBASE)
+ return (DIOII_BASE + (scode - 132) * DIOII_DEVSIZE);
+ else if (scode > DIO_SCMAX || scode < 0)
+ return 0;
+ else if (DIO_SCINHOLE(scode))
+ return 0;
+
+ return (DIO_BASE + scode * DIO_DEVSIZE);
}
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-29 15:39:52 +0300