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authorDavid Woodhouse <David.Woodhouse@intel.com>2010-10-30 07:35:11 -0400
committerDavid Woodhouse <David.Woodhouse@intel.com>2010-10-30 07:35:11 -0400
commit67577927e8d7a1f4b09b4992df640eadc6aacb36 (patch)
tree2e9efe6b5745965faf0dcc084d4613d9356263f9 /arch/arm/plat-pxa/include
parent6fe4c590313133ebd5dadb769031489ff178ece1 (diff)
parent51f00a471ce8f359627dd99aeac322947a0e491b (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
Conflicts: drivers/mtd/mtd_blkdevs.c Merge Grant's device-tree bits so that we can apply the subsequent fixes. Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'arch/arm/plat-pxa/include')
-rw-r--r--arch/arm/plat-pxa/include/plat/pxa27x_keypad.h69
1 files changed, 69 insertions, 0 deletions
diff --git a/arch/arm/plat-pxa/include/plat/pxa27x_keypad.h b/arch/arm/plat-pxa/include/plat/pxa27x_keypad.h
new file mode 100644
index 000000000000..abcc36eb1242
--- /dev/null
+++ b/arch/arm/plat-pxa/include/plat/pxa27x_keypad.h
@@ -0,0 +1,69 @@
1#ifndef __ASM_ARCH_PXA27x_KEYPAD_H
2#define __ASM_ARCH_PXA27x_KEYPAD_H
3
4#include <linux/input.h>
5#include <linux/input/matrix_keypad.h>
6
7#define MAX_MATRIX_KEY_ROWS (8)
8#define MAX_MATRIX_KEY_COLS (8)
9#define MATRIX_ROW_SHIFT (3)
10#define MAX_DIRECT_KEY_NUM (8)
11
12/* pxa3xx keypad platform specific parameters
13 *
14 * NOTE:
15 * 1. direct_key_num indicates the number of keys in the direct keypad
16 * _plus_ the number of rotary-encoder sensor inputs, this can be
17 * left as 0 if only rotary encoders are enabled, the driver will
18 * automatically calculate this
19 *
20 * 2. direct_key_map is the key code map for the direct keys, if rotary
21 * encoder(s) are enabled, direct key 0/1(2/3) will be ignored
22 *
23 * 3. rotary can be either interpreted as a relative input event (e.g.
24 * REL_WHEEL/REL_HWHEEL) or specific keys (e.g. UP/DOWN/LEFT/RIGHT)
25 *
26 * 4. matrix key and direct key will use the same debounce_interval by
27 * default, which should be sufficient in most cases
28 *
29 * pxa168 keypad platform specific parameter
30 *
31 * NOTE:
32 * clear_wakeup_event callback is a workaround required to clear the
33 * keypad interrupt. The keypad wake must be cleared in addition to
34 * reading the MI/DI bits in the KPC register.
35 */
36struct pxa27x_keypad_platform_data {
37
38 /* code map for the matrix keys */
39 unsigned int matrix_key_rows;
40 unsigned int matrix_key_cols;
41 unsigned int *matrix_key_map;
42 int matrix_key_map_size;
43
44 /* direct keys */
45 int direct_key_num;
46 unsigned int direct_key_map[MAX_DIRECT_KEY_NUM];
47
48 /* rotary encoders 0 */
49 int enable_rotary0;
50 int rotary0_rel_code;
51 int rotary0_up_key;
52 int rotary0_down_key;
53
54 /* rotary encoders 1 */
55 int enable_rotary1;
56 int rotary1_rel_code;
57 int rotary1_up_key;
58 int rotary1_down_key;
59
60 /* key debounce interval */
61 unsigned int debounce_interval;
62
63 /* clear wakeup event requirement for pxa168 */
64 void (*clear_wakeup_event)(void);
65};
66
67extern void pxa_set_keypad_info(struct pxa27x_keypad_platform_data *info);
68
69#endif /* __ASM_ARCH_PXA27x_KEYPAD_H */