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-rw-r--r--arch/blackfin/include/asm/bfin_rotary.h39
1 files changed, 39 insertions, 0 deletions
diff --git a/arch/blackfin/include/asm/bfin_rotary.h b/arch/blackfin/include/asm/bfin_rotary.h
new file mode 100644
index 00000000000..425ece64fd5
--- /dev/null
+++ b/arch/blackfin/include/asm/bfin_rotary.h
@@ -0,0 +1,39 @@
+/*
+ * board initialization should put one of these structures into platform_data
+ * and place the bfin-rotary onto platform_bus named "bfin-rotary".
+ */
+
+#ifndef _BFIN_ROTARY_H
+#define _BFIN_ROTARY_H
+
+/* mode bitmasks */
+#define ROT_QUAD_ENC CNTMODE_QUADENC /* quadrature/grey code encoder mode */
+#define ROT_BIN_ENC CNTMODE_BINENC /* binary encoder mode */
+#define ROT_UD_CNT CNTMODE_UDCNT /* rotary counter mode */
+#define ROT_DIR_CNT CNTMODE_DIRCNT /* direction counter mode */
+
+#define ROT_DEBE DEBE /* Debounce Enable */
+
+#define ROT_CDGINV CDGINV /* CDG Pin Polarity Invert */
+#define ROT_CUDINV CUDINV /* CUD Pin Polarity Invert */
+#define ROT_CZMINV CZMINV /* CZM Pin Polarity Invert */
+
+struct bfin_rotary_platform_data {
+ /* set rotary UP KEY_### or BTN_### in case you prefer
+ * bfin-rotary to send EV_KEY otherwise set 0
+ */
+ unsigned int rotary_up_key;
+ /* set rotary DOWN KEY_### or BTN_### in case you prefer
+ * bfin-rotary to send EV_KEY otherwise set 0
+ */
+ unsigned int rotary_down_key;
+ /* set rotary BUTTON KEY_### or BTN_### */
+ unsigned int rotary_button_key;
+ /* set rotary Relative Axis REL_### in case you prefer
+ * bfin-rotary to send EV_REL otherwise set 0
+ */
+ unsigned int rotary_rel_code;
+ unsigned short debounce; /* 0..17 */
+ unsigned short mode;
+};
+#endif