1 files changed, 79 insertions, 0 deletions

diff --git a/include/asm-sparc/display7seg.h b/include/asm-sparc/display7seg.h
new file mode 100644
index 000000000000..86d4a901df24
--- /dev/null
+++ b/include/asm-sparc/display7seg.h
@@ -0,0 +1,79 @@
+/*
+ *
+ * display7seg - Driver interface for the 7-segment display
+ * present on Sun Microsystems CP1400 and CP1500
+ *
+ * Copyright (c) 2000 Eric Brower <ebrower@usa.net>
+ *
+ */
+
+#ifndef __display7seg_h__
+#define __display7seg_h__
+
+#define D7S_IOC 'p'
+
+#define D7SIOCRD _IOR(D7S_IOC, 0x45, int)       /* Read device state    */
+#define D7SIOCWR _IOW(D7S_IOC, 0x46, int)       /* Write device state   */
+#define D7SIOCTM _IO (D7S_IOC, 0x47)            /* Translate mode (FLIP)*/
+
+/*
+ * ioctl flag definitions
+ *
+ * POINT        - Toggle decimal point  (0=absent 1=present)
+ * ALARM        - Toggle alarm LED              (0=green  1=red)
+ * FLIP         - Toggle inverted mode  (0=normal 1=flipped)
+ * bits 0-4     - Character displayed   (see definitions below)
+ *
+ * Display segments are defined as follows,
+ * subject to D7S_FLIP register state:
+ *
+ *    a
+ *   ---
+ * f|   |b
+ *   -g-
+ * e|   |c
+ *   ---
+ *    d
+ */
+
+#define D7S_POINT       (1 << 7)        /* Decimal point*/
+#define D7S_ALARM       (1 << 6)        /* Alarm LED    */
+#define D7S_FLIP        (1 << 5)        /* Flip display */
+
+#define D7S_0           0x00            /* Numerals 0-9 */
+#define D7S_1           0x01
+#define D7S_2           0x02
+#define D7S_3           0x03
+#define D7S_4           0x04
+#define D7S_5           0x05
+#define D7S_6           0x06
+#define D7S_7           0x07
+#define D7S_8           0x08
+#define D7S_9           0x09
+#define D7S_A           0x0A            /* Letters A-F, H, L, P */
+#define D7S_B           0x0B
+#define D7S_C           0x0C
+#define D7S_D           0x0D
+#define D7S_E           0x0E
+#define D7S_F           0x0F
+#define D7S_H           0x10
+#define D7S_E2          0x11
+#define D7S_L           0x12
+#define D7S_P           0x13
+#define D7S_SEGA        0x14            /* Individual segments */
+#define D7S_SEGB        0x15
+#define D7S_SEGC        0x16
+#define D7S_SEGD        0x17
+#define D7S_SEGE        0x18
+#define D7S_SEGF        0x19
+#define D7S_SEGG        0x1A
+#define D7S_SEGABFG 0x1B                /* Segment groupings */
+#define D7S_SEGCDEG     0x1C
+#define D7S_SEGBCEF 0x1D
+#define D7S_SEGADG      0x1E
+#define D7S_BLANK       0x1F            /* Clear all segments */
+
+#define D7S_MIN_VAL     0x0
+#define D7S_MAX_VAL     0x1F
+
+#endif /* ifndef __display7seg_h__ */