staging: comedi: s526: define the timer control register and bits

Define this register and it's bits so that we can possibly support
it.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/comedi/drivers/s526.c b/drivers/staging/comedi/drivers/s526.c
index c011c7005e380dba06595c5a52170616af68730b..e329c0470492cf39a5119072d80d5565fe0b35ba 100644 (file)
--- a/drivers/staging/comedi/drivers/s526.c
+++ b/drivers/staging/comedi/drivers/s526.c
@@ -46,7 +46,12 @@
 #define S526_NUM_PORTS 27
 
 /* registers */
-#define REG_TCR 0x00
+#define S526_TIMER_REG         0x00
+#define S526_TIMER_LOAD(x)     (((x) & 0xff) << 8)
+#define S526_TIMER_MODE                ((x) << 1)
+#define S526_TIMER_MANUAL      S526_TIMER_MODE(0)
+#define S526_TIMER_AUTO                S526_TIMER_MODE(1)
+#define S526_TIMER_RESTART     BIT(0)
 #define REG_WDC 0x02
 #define REG_DAC 0x04
 #define REG_ADC 0x06