summaryrefslogtreecommitdiff
path: root/libdde_linux26/contrib/include/linux/via.h
diff options
context:
space:
mode:
authorSamuel Thibault <samuel.thibault@ens-lyon.org>2012-02-19 06:14:24 +0000
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2012-02-19 06:14:24 +0000
commit6fafeb146e9efd59140ea58cebd7dd38ae9a6379 (patch)
tree7db89ba6a28932514b105d620bba4884ec332ec3 /libdde_linux26/contrib/include/linux/via.h
parent38c2c2458e3f4ecb329ff35621806252aac209b9 (diff)
parent8df772b3c665e663f6f9d2a70f9c691590bd3f91 (diff)
Merge branch 'dde' into upstream-merged
Diffstat (limited to 'libdde_linux26/contrib/include/linux/via.h')
-rw-r--r--libdde_linux26/contrib/include/linux/via.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/libdde_linux26/contrib/include/linux/via.h b/libdde_linux26/contrib/include/linux/via.h
new file mode 100644
index 00000000..86ae3bcd
--- /dev/null
+++ b/libdde_linux26/contrib/include/linux/via.h
@@ -0,0 +1,22 @@
+/* Miscellaneous definitions for VIA chipsets
+ Currently used only by drivers/parport/parport_pc.c */
+
+/* Values for SuperIO function select configuration register */
+#define VIA_FUNCTION_PARPORT_SPP 0x00
+#define VIA_FUNCTION_PARPORT_ECP 0x01
+#define VIA_FUNCTION_PARPORT_EPP 0x02
+#define VIA_FUNCTION_PARPORT_DISABLE 0x03
+#define VIA_FUNCTION_PROBE 0xFF /* Special magic value to be used in code, not to be written into chip */
+
+/* Bits for parallel port mode configuration register */
+#define VIA_PARPORT_ECPEPP 0X20
+#define VIA_PARPORT_BIDIR 0x80
+
+/* VIA configuration registers */
+#define VIA_CONFIG_INDEX 0x3F0
+#define VIA_CONFIG_DATA 0x3F1
+
+/* Mask for parallel port IRQ bits (in ISA PnP IRQ routing register 1) */
+#define VIA_IRQCONTROL_PARALLEL 0xF0
+/* Mask for parallel port DMA bits (in ISA PnP DMA routing register) */
+#define VIA_DMACONTROL_PARALLEL 0x0C