patch-2.4.15 linux/include/asm-cris/etraxgpio.h

• Lines: 16
• Date: Fri Nov 9 14:11:15 2001
• Orig file: v2.4.14/linux/include/asm-cris/etraxgpio.h
• Orig date: Wed Jul 25 17:10:25 2001

diff -u --recursive --new-file v2.4.14/linux/include/asm-cris/etraxgpio.h linux/include/asm-cris/etraxgpio.h
@@ -35,4 +35,15 @@
 /* SHUTDOWN ioctl */
 #define IO_SHUTDOWN   0xD
 #define IO_GET_PWR_BT 0xE
+
+/* Bit toggling in driver settings */
+/* bit set in low byte0 is CLK mask (0x00FF), 
+   bit set in byte1 is DATA mask    (0xFF00) 
+   msb, data_mask[7:0] , clk_mask[7:0]
+ */
+#define IO_CFG_WRITE_MODE 0xF 
+#define IO_CFG_WRITE_MODE_VALUE(msb, data_mask, clk_mask) \
+  ( (((msb)&1) << 16) | (((data_mask) &0xFF) << 8) | ((clk_mask) & 0xFF) )
+
+
 #endif