Blackfin: unify rotary encoder bitmasks

Avoid duplication and ugly global namespace pollution.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

1 files changed, 73 insertions, 1 deletions

diff --git a/arch/blackfin/include/asm/bfin_rotary.h b/arch/blackfin/include/asm/bfin_rotary.h
index abdb2af..0b6910b 100644
--- a/arch/blackfin/include/asm/bfin_rotary.h
+++ b/arch/blackfin/include/asm/bfin_rotary.h
@@ -2,7 +2,7 @@
  * board initialization should put one of these structures into platform_data
  * and place the bfin-rotary onto platform_bus named "bfin-rotary".
  *
- * Copyright 2008 Analog Devices Inc.
+ * Copyright 2008-2010 Analog Devices Inc.
  *
  * Licensed under the GPL-2 or later.
  */
@@ -40,4 +40,76 @@ struct bfin_rotary_platform_data {
 	unsigned short debounce;	/* 0..17 */
 	unsigned short mode;
 };
+
+/* CNT_CONFIG bitmasks */
+#define CNTE		(1 << 0)	/* Counter Enable */
+#define DEBE		(1 << 1)	/* Debounce Enable */
+#define CDGINV		(1 << 4)	/* CDG Pin Polarity Invert */
+#define CUDINV		(1 << 5)	/* CUD Pin Polarity Invert */
+#define CZMINV		(1 << 6)	/* CZM Pin Polarity Invert */
+#define CNTMODE_SHIFT	8
+#define CNTMODE		(0x7 << CNTMODE_SHIFT)	/* Counter Operating Mode */
+#define ZMZC		(1 << 1)	/* CZM Zeroes Counter Enable */
+#define BNDMODE_SHIFT	12
+#define BNDMODE		(0x3 << BNDMODE_SHIFT)	/* Boundary register Mode */
+#define INPDIS		(1 << 15)	/* CUG and CDG Input Disable */
+
+#define CNTMODE_QUADENC	(0 << CNTMODE_SHIFT)	/* quadrature encoder mode */
+#define CNTMODE_BINENC	(1 << CNTMODE_SHIFT)	/* binary encoder mode */
+#define CNTMODE_UDCNT	(2 << CNTMODE_SHIFT)	/* up/down counter mode */
+#define CNTMODE_DIRCNT	(4 << CNTMODE_SHIFT)	/* direction counter mode */
+#define CNTMODE_DIRTMR	(5 << CNTMODE_SHIFT)	/* direction timer mode */
+
+#define BNDMODE_COMP	(0 << BNDMODE_SHIFT)	/* boundary compare mode */
+#define BNDMODE_ZERO	(1 << BNDMODE_SHIFT)	/* boundary compare and zero mode */
+#define BNDMODE_CAPT	(2 << BNDMODE_SHIFT)	/* boundary capture mode */
+#define BNDMODE_AEXT	(3 << BNDMODE_SHIFT)	/* boundary auto-extend mode */
+
+/* CNT_IMASK bitmasks */
+#define ICIE		(1 << 0)	/* Illegal Gray/Binary Code Interrupt Enable */
+#define UCIE		(1 << 1)	/* Up count Interrupt Enable */
+#define DCIE		(1 << 2)	/* Down count Interrupt Enable */
+#define MINCIE		(1 << 3)	/* Min Count Interrupt Enable */
+#define MAXCIE		(1 << 4)	/* Max Count Interrupt Enable */
+#define COV31IE		(1 << 5)	/* Bit 31 Overflow Interrupt Enable */
+#define COV15IE		(1 << 6)	/* Bit 15 Overflow Interrupt Enable */
+#define CZEROIE		(1 << 7)	/* Count to Zero Interrupt Enable */
+#define CZMIE		(1 << 8)	/* CZM Pin Interrupt Enable */
+#define CZMEIE		(1 << 9)	/* CZM Error Interrupt Enable */
+#define CZMZIE		(1 << 10)	/* CZM Zeroes Counter Interrupt Enable */
+
+/* CNT_STATUS bitmasks */
+#define ICII		(1 << 0)	/* Illegal Gray/Binary Code Interrupt Identifier */
+#define UCII		(1 << 1)	/* Up count Interrupt Identifier */
+#define DCII		(1 << 2)	/* Down count Interrupt Identifier */
+#define MINCII		(1 << 3)	/* Min Count Interrupt Identifier */
+#define MAXCII		(1 << 4)	/* Max Count Interrupt Identifier */
+#define COV31II		(1 << 5)	/* Bit 31 Overflow Interrupt Identifier */
+#define COV15II		(1 << 6)	/* Bit 15 Overflow Interrupt Identifier */
+#define CZEROII		(1 << 7)	/* Count to Zero Interrupt Identifier */
+#define CZMII		(1 << 8)	/* CZM Pin Interrupt Identifier */
+#define CZMEII		(1 << 9)	/* CZM Error Interrupt Identifier */
+#define CZMZII		(1 << 10)	/* CZM Zeroes Counter Interrupt Identifier */
+
+/* CNT_COMMAND bitmasks */
+#define W1LCNT		0xf		/* Load Counter Register */
+#define W1LMIN		0xf0		/* Load Min Register */
+#define W1LMAX		0xf00		/* Load Max Register */
+#define W1ZMONCE	(1 << 12)	/* Enable CZM Clear Counter Once */
+
+#define W1LCNT_ZERO	(1 << 0)	/* write 1 to load CNT_COUNTER with zero */
+#define W1LCNT_MIN	(1 << 2)	/* write 1 to load CNT_COUNTER from CNT_MIN */
+#define W1LCNT_MAX	(1 << 3)	/* write 1 to load CNT_COUNTER from CNT_MAX */
+
+#define W1LMIN_ZERO	(1 << 4)	/* write 1 to load CNT_MIN with zero */
+#define W1LMIN_CNT	(1 << 5)	/* write 1 to load CNT_MIN from CNT_COUNTER */
+#define W1LMIN_MAX	(1 << 7)	/* write 1 to load CNT_MIN from CNT_MAX */
+
+#define W1LMAX_ZERO	(1 << 8)	/* write 1 to load CNT_MAX with zero */
+#define W1LMAX_CNT	(1 << 9)	/* write 1 to load CNT_MAX from CNT_COUNTER */
+#define W1LMAX_MIN	(1 << 10)	/* write 1 to load CNT_MAX from CNT_MIN */
+
+/* CNT_DEBOUNCE bitmasks */
+#define DPRESCALE	0xf		/* Load Counter Register */
+
 #endif