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path: root/drivers/video/console/sticore.c
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Diffstat (limited to 'drivers/video/console/sticore.c')
-rw-r--r--drivers/video/console/sticore.c30
1 files changed, 29 insertions, 1 deletions
diff --git a/drivers/video/console/sticore.c b/drivers/video/console/sticore.c
index d7822af0e00..ef7870f5ea0 100644
--- a/drivers/video/console/sticore.c
+++ b/drivers/video/console/sticore.c
@@ -24,6 +24,7 @@
#include <asm/hardware.h>
#include <asm/parisc-device.h>
#include <asm/cacheflush.h>
+#include <asm/grfioctl.h>
#include "../sticore.h"
@@ -725,6 +726,7 @@ static int __devinit sti_read_rom(int wordmode, struct sti_struct *sti,
{
struct sti_cooked_rom *cooked;
struct sti_rom *raw = NULL;
+ unsigned long revno;
cooked = kmalloc(sizeof *cooked, GFP_KERNEL);
if (!cooked)
@@ -767,9 +769,35 @@ static int __devinit sti_read_rom(int wordmode, struct sti_struct *sti,
sti->graphics_id[1] = raw->graphics_id[1];
sti_dump_rom(raw);
-
+
+ /* check if the ROM routines in this card are compatible */
+ if (wordmode || sti->graphics_id[1] != 0x09A02587)
+ goto ok;
+
+ revno = (raw->revno[0] << 8) | raw->revno[1];
+
+ switch (sti->graphics_id[0]) {
+ case S9000_ID_HCRX:
+ /* HyperA or HyperB ? */
+ if (revno == 0x8408 || revno == 0x840b)
+ goto msg_not_supported;
+ break;
+ case CRT_ID_THUNDER:
+ if (revno == 0x8509)
+ goto msg_not_supported;
+ break;
+ case CRT_ID_THUNDER2:
+ if (revno == 0x850c)
+ goto msg_not_supported;
+ }
+ok:
return 1;
+msg_not_supported:
+ printk(KERN_ERR "Sorry, this GSC/STI card is not yet supported.\n");
+ printk(KERN_ERR "Please see http://parisc-linux.org/faq/"
+ "graphics-howto.html for more info.\n");
+ /* fall through */
out_err:
kfree(raw);
kfree(cooked);