diff options
Diffstat (limited to 'drivers/input/misc/cobalt_btns.c')
-rw-r--r-- | drivers/input/misc/cobalt_btns.c | 73 |
1 files changed, 36 insertions, 37 deletions
diff --git a/drivers/input/misc/cobalt_btns.c b/drivers/input/misc/cobalt_btns.c index 1aef97ed5e84..4833b1a82623 100644 --- a/drivers/input/misc/cobalt_btns.c +++ b/drivers/input/misc/cobalt_btns.c | |||
@@ -27,55 +27,48 @@ | |||
27 | #define BUTTONS_COUNT_THRESHOLD 3 | 27 | #define BUTTONS_COUNT_THRESHOLD 3 |
28 | #define BUTTONS_STATUS_MASK 0xfe000000 | 28 | #define BUTTONS_STATUS_MASK 0xfe000000 |
29 | 29 | ||
30 | static const unsigned short cobalt_map[] = { | ||
31 | KEY_RESERVED, | ||
32 | KEY_RESTART, | ||
33 | KEY_LEFT, | ||
34 | KEY_UP, | ||
35 | KEY_DOWN, | ||
36 | KEY_RIGHT, | ||
37 | KEY_ENTER, | ||
38 | KEY_SELECT | ||
39 | }; | ||
40 | |||
30 | struct buttons_dev { | 41 | struct buttons_dev { |
31 | struct input_polled_dev *poll_dev; | 42 | struct input_polled_dev *poll_dev; |
43 | unsigned short keymap[ARRAY_SIZE(cobalt_map)]; | ||
44 | int count[ARRAY_SIZE(cobalt_map)]; | ||
32 | void __iomem *reg; | 45 | void __iomem *reg; |
33 | }; | 46 | }; |
34 | 47 | ||
35 | struct buttons_map { | ||
36 | uint32_t mask; | ||
37 | int keycode; | ||
38 | int count; | ||
39 | }; | ||
40 | |||
41 | static struct buttons_map buttons_map[] = { | ||
42 | { 0x02000000, KEY_RESTART, }, | ||
43 | { 0x04000000, KEY_LEFT, }, | ||
44 | { 0x08000000, KEY_UP, }, | ||
45 | { 0x10000000, KEY_DOWN, }, | ||
46 | { 0x20000000, KEY_RIGHT, }, | ||
47 | { 0x40000000, KEY_ENTER, }, | ||
48 | { 0x80000000, KEY_SELECT, }, | ||
49 | }; | ||
50 | |||
51 | static void handle_buttons(struct input_polled_dev *dev) | 48 | static void handle_buttons(struct input_polled_dev *dev) |
52 | { | 49 | { |
53 | struct buttons_map *button = buttons_map; | ||
54 | struct buttons_dev *bdev = dev->private; | 50 | struct buttons_dev *bdev = dev->private; |
55 | struct input_dev *input = dev->input; | 51 | struct input_dev *input = dev->input; |
56 | uint32_t status; | 52 | uint32_t status; |
57 | int i; | 53 | int i; |
58 | 54 | ||
59 | status = readl(bdev->reg); | 55 | status = ~readl(bdev->reg) >> 24; |
60 | status = ~status & BUTTONS_STATUS_MASK; | ||
61 | 56 | ||
62 | for (i = 0; i < ARRAY_SIZE(buttons_map); i++) { | 57 | for (i = 0; i < ARRAY_SIZE(bdev->keymap); i++) { |
63 | if (status & button->mask) { | 58 | if (status & (1UL << i)) { |
64 | button->count++; | 59 | if (++bdev->count[i] == BUTTONS_COUNT_THRESHOLD) { |
60 | input_event(input, EV_MSC, MSC_SCAN, i); | ||
61 | input_report_key(input, bdev->keymap[i], 1); | ||
62 | input_sync(input); | ||
63 | } | ||
65 | } else { | 64 | } else { |
66 | if (button->count >= BUTTONS_COUNT_THRESHOLD) { | 65 | if (bdev->count[i] >= BUTTONS_COUNT_THRESHOLD) { |
67 | input_report_key(input, button->keycode, 0); | 66 | input_event(input, EV_MSC, MSC_SCAN, i); |
67 | input_report_key(input, bdev->keymap[i], 0); | ||
68 | input_sync(input); | 68 | input_sync(input); |
69 | } | 69 | } |
70 | button->count = 0; | 70 | bdev->count[i] = 0; |
71 | } | ||
72 | |||
73 | if (button->count == BUTTONS_COUNT_THRESHOLD) { | ||
74 | input_report_key(input, button->keycode, 1); | ||
75 | input_sync(input); | ||
76 | } | 71 | } |
77 | |||
78 | button++; | ||
79 | } | 72 | } |
80 | } | 73 | } |
81 | 74 | ||
@@ -94,6 +87,8 @@ static int __devinit cobalt_buttons_probe(struct platform_device *pdev) | |||
94 | goto err_free_mem; | 87 | goto err_free_mem; |
95 | } | 88 | } |
96 | 89 | ||
90 | memcpy(bdev->keymap, cobalt_map, sizeof(bdev->keymap)); | ||
91 | |||
97 | poll_dev->private = bdev; | 92 | poll_dev->private = bdev; |
98 | poll_dev->poll = handle_buttons; | 93 | poll_dev->poll = handle_buttons; |
99 | poll_dev->poll_interval = BUTTONS_POLL_INTERVAL; | 94 | poll_dev->poll_interval = BUTTONS_POLL_INTERVAL; |
@@ -104,11 +99,15 @@ static int __devinit cobalt_buttons_probe(struct platform_device *pdev) | |||
104 | input->id.bustype = BUS_HOST; | 99 | input->id.bustype = BUS_HOST; |
105 | input->cdev.dev = &pdev->dev; | 100 | input->cdev.dev = &pdev->dev; |
106 | 101 | ||
107 | input->evbit[0] = BIT_MASK(EV_KEY); | 102 | input->keycode = pdev->keymap; |
108 | for (i = 0; i < ARRAY_SIZE(buttons_map); i++) { | 103 | input->keycodemax = ARRAY_SIZE(pdev->keymap); |
109 | set_bit(buttons_map[i].keycode, input->keybit); | 104 | input->keycodesize = sizeof(unsigned short); |
110 | buttons_map[i].count = 0; | 105 | |
111 | } | 106 | input_set_capability(input, EV_MSC, MSC_SCAN); |
107 | __set_bit(EV_KEY, input->evbit); | ||
108 | for (i = 0; i < ARRAY_SIZE(buttons_map); i++) | ||
109 | __set_bit(input->keycode[i], input->keybit); | ||
110 | __clear_bit(KEY_RESERVED, input->keybit); | ||
112 | 111 | ||
113 | res = platform_get_resource(pdev, IORESOURCE_MEM, 0); | 112 | res = platform_get_resource(pdev, IORESOURCE_MEM, 0); |
114 | if (!res) { | 113 | if (!res) { |