comedi.h: Add clock sources for Amplicon timer subdevice.

Signed-off-by: Ian Abbott <abbotti@mev.co.uk>

diff --git a/include/linux/comedi.h b/include/linux/comedi.h
index c0bf757e04e96eb8b1ca34cb14e43f1996f8324a..278078a68ff39649279afe408299eb2772f31662 100644 (file)
--- a/include/linux/comedi.h
+++ b/include/linux/comedi.h
@@ -860,6 +860,14 @@ CR_INVERT to change polarity. */
                AMPLC_DIO_CLK_20MHZ     /* 20 MHz internal clock */
        };
 
+/* Values for setting a clock source with INSN_CONFIG_SET_CLOCK_SRC for
+ * timer subdevice on some Amplicon DIO PCIe boards (amplc_dio200 driver). */
+       enum amplc_dio_ts_clock_src {
+               AMPLC_DIO_TS_CLK_1GHZ,  /* 1 ns period with 20 ns granularity */
+               AMPLC_DIO_TS_CLK_1MHZ,  /* 1 us period */
+               AMPLC_DIO_TS_CLK_1KHZ   /* 1 ms period */
+       };
+
 /* Values for setting a gate source with INSN_CONFIG_SET_GATE_SRC for
  * 8254 counter subdevices on Amplicon DIO boards (amplc_dio200 driver). */
        enum amplc_dio_gate_source {