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 abdb2af52902..0b6910bdc57f 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