Root/
1 | /*************************************************************************** |
2 | * Copyright (C) 2010-2012 by Bruno Prémont <bonbons@linux-vserver.org> * |
3 | * * |
4 | * Based on Logitech G13 driver (v0.4) * |
5 | * Copyright (C) 2009 by Rick L. Vinyard, Jr. <rvinyard@cs.nmsu.edu> * |
6 | * * |
7 | * This program is free software: you can redistribute it and/or modify * |
8 | * it under the terms of the GNU General Public License as published by * |
9 | * the Free Software Foundation, version 2 of the License. * |
10 | * * |
11 | * This driver is distributed in the hope that it will be useful, but * |
12 | * WITHOUT ANY WARRANTY; without even the implied warranty of * |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * |
14 | * General Public License for more details. * |
15 | * * |
16 | * You should have received a copy of the GNU General Public License * |
17 | * along with this software. If not see <http://www.gnu.org/licenses/>. * |
18 | ***************************************************************************/ |
19 | |
20 | #include <linux/hid.h> |
21 | #include <linux/hid-debug.h> |
22 | #include <linux/input.h> |
23 | #include "hid-ids.h" |
24 | #include "usbhid/usbhid.h" |
25 | #include <linux/usb.h> |
26 | |
27 | #include <linux/fb.h> |
28 | #include <linux/vmalloc.h> |
29 | #include <linux/backlight.h> |
30 | #include <linux/lcd.h> |
31 | |
32 | #include <linux/leds.h> |
33 | |
34 | #include <linux/seq_file.h> |
35 | #include <linux/debugfs.h> |
36 | |
37 | #include <linux/completion.h> |
38 | #include <linux/uaccess.h> |
39 | #include <linux/module.h> |
40 | #include <media/rc-core.h> |
41 | |
42 | #include "hid-picolcd.h" |
43 | |
44 | |
45 | int picolcd_raw_cir(struct picolcd_data *data, |
46 | struct hid_report *report, u8 *raw_data, int size) |
47 | { |
48 | unsigned long flags; |
49 | int i, w, sz; |
50 | DEFINE_IR_RAW_EVENT(rawir); |
51 | |
52 | /* ignore if rc_dev is NULL or status is shunned */ |
53 | spin_lock_irqsave(&data->lock, flags); |
54 | if (!data->rc_dev || (data->status & PICOLCD_CIR_SHUN)) { |
55 | spin_unlock_irqrestore(&data->lock, flags); |
56 | return 1; |
57 | } |
58 | spin_unlock_irqrestore(&data->lock, flags); |
59 | |
60 | /* PicoLCD USB packets contain 16-bit intervals in network order, |
61 | * with value negated for pulse. Intervals are in microseconds. |
62 | * |
63 | * Note: some userspace LIRC code for PicoLCD says negated values |
64 | * for space - is it a matter of IR chip? (pulse for my TSOP2236) |
65 | * |
66 | * In addition, the first interval seems to be around 15000 + base |
67 | * interval for non-first report of IR data - thus the quirk below |
68 | * to get RC_CODE to understand Sony and JVC remotes I have at hand |
69 | */ |
70 | sz = size > 0 ? min((int)raw_data[0], size-1) : 0; |
71 | for (i = 0; i+1 < sz; i += 2) { |
72 | init_ir_raw_event(&rawir); |
73 | w = (raw_data[i] << 8) | (raw_data[i+1]); |
74 | rawir.pulse = !!(w & 0x8000); |
75 | rawir.duration = US_TO_NS(rawir.pulse ? (65536 - w) : w); |
76 | /* Quirk!! - see above */ |
77 | if (i == 0 && rawir.duration > 15000000) |
78 | rawir.duration -= 15000000; |
79 | ir_raw_event_store(data->rc_dev, &rawir); |
80 | } |
81 | ir_raw_event_handle(data->rc_dev); |
82 | |
83 | return 1; |
84 | } |
85 | |
86 | static int picolcd_cir_open(struct rc_dev *dev) |
87 | { |
88 | struct picolcd_data *data = dev->priv; |
89 | unsigned long flags; |
90 | |
91 | spin_lock_irqsave(&data->lock, flags); |
92 | data->status &= ~PICOLCD_CIR_SHUN; |
93 | spin_unlock_irqrestore(&data->lock, flags); |
94 | return 0; |
95 | } |
96 | |
97 | static void picolcd_cir_close(struct rc_dev *dev) |
98 | { |
99 | struct picolcd_data *data = dev->priv; |
100 | unsigned long flags; |
101 | |
102 | spin_lock_irqsave(&data->lock, flags); |
103 | data->status |= PICOLCD_CIR_SHUN; |
104 | spin_unlock_irqrestore(&data->lock, flags); |
105 | } |
106 | |
107 | /* initialize CIR input device */ |
108 | int picolcd_init_cir(struct picolcd_data *data, struct hid_report *report) |
109 | { |
110 | struct rc_dev *rdev; |
111 | int ret = 0; |
112 | |
113 | rdev = rc_allocate_device(); |
114 | if (!rdev) |
115 | return -ENOMEM; |
116 | |
117 | rdev->priv = data; |
118 | rdev->driver_type = RC_DRIVER_IR_RAW; |
119 | rdev->allowed_protos = RC_BIT_ALL; |
120 | rdev->open = picolcd_cir_open; |
121 | rdev->close = picolcd_cir_close; |
122 | rdev->input_name = data->hdev->name; |
123 | rdev->input_phys = data->hdev->phys; |
124 | rdev->input_id.bustype = data->hdev->bus; |
125 | rdev->input_id.vendor = data->hdev->vendor; |
126 | rdev->input_id.product = data->hdev->product; |
127 | rdev->input_id.version = data->hdev->version; |
128 | rdev->dev.parent = &data->hdev->dev; |
129 | rdev->driver_name = PICOLCD_NAME; |
130 | rdev->map_name = RC_MAP_RC6_MCE; |
131 | rdev->timeout = MS_TO_NS(100); |
132 | rdev->rx_resolution = US_TO_NS(1); |
133 | |
134 | ret = rc_register_device(rdev); |
135 | if (ret) |
136 | goto err; |
137 | data->rc_dev = rdev; |
138 | return 0; |
139 | |
140 | err: |
141 | rc_free_device(rdev); |
142 | return ret; |
143 | } |
144 | |
145 | void picolcd_exit_cir(struct picolcd_data *data) |
146 | { |
147 | struct rc_dev *rdev = data->rc_dev; |
148 | |
149 | data->rc_dev = NULL; |
150 | rc_unregister_device(rdev); |
151 | } |
152 | |
153 |
Branches:
ben-wpan
ben-wpan-stefan
javiroman/ks7010
jz-2.6.34
jz-2.6.34-rc5
jz-2.6.34-rc6
jz-2.6.34-rc7
jz-2.6.35
jz-2.6.36
jz-2.6.37
jz-2.6.38
jz-2.6.39
jz-3.0
jz-3.1
jz-3.11
jz-3.12
jz-3.13
jz-3.15
jz-3.16
jz-3.18-dt
jz-3.2
jz-3.3
jz-3.4
jz-3.5
jz-3.6
jz-3.6-rc2-pwm
jz-3.9
jz-3.9-clk
jz-3.9-rc8
jz47xx
jz47xx-2.6.38
master
Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9