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authorDavid S. Miller <davem@davemloft.net>2010-02-28 22:23:06 -0500
committerDavid S. Miller <davem@davemloft.net>2010-02-28 22:23:06 -0500
commit47871889c601d8199c51a4086f77eebd77c29b0b (patch)
tree40cdcac3bff0ee40cc33dcca61d0577cdf965f77 /drivers/media/IR
parentc16cc0b464b8876cfd57ce1c1dbcb6f9a6a0bce3 (diff)
parent30ff056c42c665b9ea535d8515890857ae382540 (diff)
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Conflicts: drivers/firmware/iscsi_ibft.c
Diffstat (limited to 'drivers/media/IR')
-rw-r--r--drivers/media/IR/Makefile2
-rw-r--r--drivers/media/IR/ir-functions.c2
-rw-r--r--drivers/media/IR/ir-keymaps.c99
-rw-r--r--drivers/media/IR/ir-keytable.c61
-rw-r--r--drivers/media/IR/ir-sysfs.c211
5 files changed, 352 insertions, 23 deletions
diff --git a/drivers/media/IR/Makefile b/drivers/media/IR/Makefile
index df5ddb4bbbf7..171890e7a41d 100644
--- a/drivers/media/IR/Makefile
+++ b/drivers/media/IR/Makefile
@@ -1,5 +1,5 @@
1ir-common-objs := ir-functions.o ir-keymaps.o 1ir-common-objs := ir-functions.o ir-keymaps.o
2ir-core-objs := ir-keytable.o 2ir-core-objs := ir-keytable.o ir-sysfs.o
3 3
4obj-$(CONFIG_IR_CORE) += ir-core.o 4obj-$(CONFIG_IR_CORE) += ir-core.o
5obj-$(CONFIG_VIDEO_IR) += ir-common.o 5obj-$(CONFIG_VIDEO_IR) += ir-common.o
diff --git a/drivers/media/IR/ir-functions.c b/drivers/media/IR/ir-functions.c
index 776a136616d6..ab06919ad5fc 100644
--- a/drivers/media/IR/ir-functions.c
+++ b/drivers/media/IR/ir-functions.c
@@ -52,7 +52,7 @@ static void ir_input_key_event(struct input_dev *dev, struct ir_input_state *ir)
52/* -------------------------------------------------------------------------- */ 52/* -------------------------------------------------------------------------- */
53 53
54int ir_input_init(struct input_dev *dev, struct ir_input_state *ir, 54int ir_input_init(struct input_dev *dev, struct ir_input_state *ir,
55 int ir_type) 55 const u64 ir_type)
56{ 56{
57 ir->ir_type = ir_type; 57 ir->ir_type = ir_type;
58 58
diff --git a/drivers/media/IR/ir-keymaps.c b/drivers/media/IR/ir-keymaps.c
index 9bbe6b1e9871..0efdefe75f32 100644
--- a/drivers/media/IR/ir-keymaps.c
+++ b/drivers/media/IR/ir-keymaps.c
@@ -3393,3 +3393,102 @@ struct ir_scancode_table ir_codes_nec_terratec_cinergy_xs_table = {
3393}; 3393};
3394EXPORT_SYMBOL_GPL(ir_codes_nec_terratec_cinergy_xs_table); 3394EXPORT_SYMBOL_GPL(ir_codes_nec_terratec_cinergy_xs_table);
3395 3395
3396
3397/* Leadtek Winfast TV USB II Deluxe remote
3398 Magnus Alm <magnus.alm@gmail.com>
3399 */
3400static struct ir_scancode ir_codes_winfast_usbii_deluxe[] = {
3401 { 0x62, KEY_0},
3402 { 0x75, KEY_1},
3403 { 0x76, KEY_2},
3404 { 0x77, KEY_3},
3405 { 0x79, KEY_4},
3406 { 0x7a, KEY_5},
3407 { 0x7b, KEY_6},
3408 { 0x7d, KEY_7},
3409 { 0x7e, KEY_8},
3410 { 0x7f, KEY_9},
3411
3412 { 0x38, KEY_CAMERA}, /* SNAPSHOT */
3413 { 0x37, KEY_RECORD}, /* RECORD */
3414 { 0x35, KEY_TIME}, /* TIMESHIFT */
3415
3416 { 0x74, KEY_VOLUMEUP}, /* VOLUMEUP */
3417 { 0x78, KEY_VOLUMEDOWN}, /* VOLUMEDOWN */
3418 { 0x64, KEY_MUTE}, /* MUTE */
3419
3420 { 0x21, KEY_CHANNEL}, /* SURF */
3421 { 0x7c, KEY_CHANNELUP}, /* CHANNELUP */
3422 { 0x60, KEY_CHANNELDOWN}, /* CHANNELDOWN */
3423 { 0x61, KEY_LAST}, /* LAST CHANNEL (RECALL) */
3424
3425 { 0x72, KEY_VIDEO}, /* INPUT MODES (TV/FM) */
3426
3427 { 0x70, KEY_POWER2}, /* TV ON/OFF */
3428
3429 { 0x39, KEY_CYCLEWINDOWS}, /* MINIMIZE (BOSS) */
3430 { 0x3a, KEY_NEW}, /* PIP */
3431 { 0x73, KEY_ZOOM}, /* FULLSECREEN */
3432
3433 { 0x66, KEY_INFO}, /* OSD (DISPLAY) */
3434
3435 { 0x31, KEY_DOT}, /* '.' */
3436 { 0x63, KEY_ENTER}, /* ENTER */
3437
3438};
3439struct ir_scancode_table ir_codes_winfast_usbii_deluxe_table = {
3440 .scan = ir_codes_winfast_usbii_deluxe,
3441 .size = ARRAY_SIZE(ir_codes_winfast_usbii_deluxe),
3442};
3443EXPORT_SYMBOL_GPL(ir_codes_winfast_usbii_deluxe_table);
3444
3445/* Kworld 315U
3446 */
3447static struct ir_scancode ir_codes_kworld_315u[] = {
3448 { 0x6143, KEY_POWER },
3449 { 0x6101, KEY_TUNER }, /* source */
3450 { 0x610b, KEY_ZOOM },
3451 { 0x6103, KEY_POWER2 }, /* shutdown */
3452
3453 { 0x6104, KEY_1 },
3454 { 0x6108, KEY_2 },
3455 { 0x6102, KEY_3 },
3456 { 0x6109, KEY_CHANNELUP },
3457
3458 { 0x610f, KEY_4 },
3459 { 0x6105, KEY_5 },
3460 { 0x6106, KEY_6 },
3461 { 0x6107, KEY_CHANNELDOWN },
3462
3463 { 0x610c, KEY_7 },
3464 { 0x610d, KEY_8 },
3465 { 0x610a, KEY_9 },
3466 { 0x610e, KEY_VOLUMEUP },
3467
3468 { 0x6110, KEY_LAST },
3469 { 0x6111, KEY_0 },
3470 { 0x6112, KEY_ENTER },
3471 { 0x6113, KEY_VOLUMEDOWN },
3472
3473 { 0x6114, KEY_RECORD },
3474 { 0x6115, KEY_STOP },
3475 { 0x6116, KEY_PLAY },
3476 { 0x6117, KEY_MUTE },
3477
3478 { 0x6118, KEY_UP },
3479 { 0x6119, KEY_DOWN },
3480 { 0x611a, KEY_LEFT },
3481 { 0x611b, KEY_RIGHT },
3482
3483 { 0x611c, KEY_RED },
3484 { 0x611d, KEY_GREEN },
3485 { 0x611e, KEY_YELLOW },
3486 { 0x611f, KEY_BLUE },
3487};
3488
3489struct ir_scancode_table ir_codes_kworld_315u_table = {
3490 .scan = ir_codes_kworld_315u,
3491 .size = ARRAY_SIZE(ir_codes_kworld_315u),
3492 .ir_type = IR_TYPE_NEC,
3493};
3494EXPORT_SYMBOL_GPL(ir_codes_kworld_315u_table);
diff --git a/drivers/media/IR/ir-keytable.c b/drivers/media/IR/ir-keytable.c
index b521ed9d6e2e..0903f539bf68 100644
--- a/drivers/media/IR/ir-keytable.c
+++ b/drivers/media/IR/ir-keytable.c
@@ -65,7 +65,7 @@ exit:
65 * In order to reduce the quantity of table resizes, it has a minimum 65 * In order to reduce the quantity of table resizes, it has a minimum
66 * table size of IR_TAB_MIN_SIZE. 66 * table size of IR_TAB_MIN_SIZE.
67 */ 67 */
68int ir_roundup_tablesize(int n_elems) 68static int ir_roundup_tablesize(int n_elems)
69{ 69{
70 size_t size; 70 size_t size;
71 71
@@ -81,7 +81,6 @@ int ir_roundup_tablesize(int n_elems)
81 81
82 return n_elems; 82 return n_elems;
83} 83}
84EXPORT_SYMBOL_GPL(ir_roundup_tablesize);
85 84
86/** 85/**
87 * ir_copy_table() - copies a keytable, discarding the unused entries 86 * ir_copy_table() - copies a keytable, discarding the unused entries
@@ -89,9 +88,11 @@ EXPORT_SYMBOL_GPL(ir_roundup_tablesize);
89 * @origin: origin table 88 * @origin: origin table
90 * 89 *
91 * Copies all entries where the keycode is not KEY_UNKNOWN/KEY_RESERVED 90 * Copies all entries where the keycode is not KEY_UNKNOWN/KEY_RESERVED
91 * Also copies table size and table protocol.
92 * NOTE: It shouldn't copy the lock field
92 */ 93 */
93 94
94int ir_copy_table(struct ir_scancode_table *destin, 95static int ir_copy_table(struct ir_scancode_table *destin,
95 const struct ir_scancode_table *origin) 96 const struct ir_scancode_table *origin)
96{ 97{
97 int i, j = 0; 98 int i, j = 0;
@@ -105,12 +106,12 @@ int ir_copy_table(struct ir_scancode_table *destin,
105 j++; 106 j++;
106 } 107 }
107 destin->size = j; 108 destin->size = j;
109 destin->ir_type = origin->ir_type;
108 110
109 IR_dprintk(1, "Copied %d scancodes to the new keycode table\n", destin->size); 111 IR_dprintk(1, "Copied %d scancodes to the new keycode table\n", destin->size);
110 112
111 return 0; 113 return 0;
112} 114}
113EXPORT_SYMBOL_GPL(ir_copy_table);
114 115
115/** 116/**
116 * ir_getkeycode() - get a keycode at the evdev scancode ->keycode table 117 * ir_getkeycode() - get a keycode at the evdev scancode ->keycode table
@@ -184,18 +185,14 @@ static void ir_delete_key(struct ir_scancode_table *rc_tab, int elem)
184 int newsize = rc_tab->size - 1; 185 int newsize = rc_tab->size - 1;
185 int resize = ir_is_resize_needed(rc_tab, newsize); 186 int resize = ir_is_resize_needed(rc_tab, newsize);
186 struct ir_scancode *oldkeymap = rc_tab->scan; 187 struct ir_scancode *oldkeymap = rc_tab->scan;
187 struct ir_scancode *newkeymap; 188 struct ir_scancode *newkeymap = NULL;
188 189
189 if (resize) { 190 if (resize)
190 newkeymap = kzalloc(ir_roundup_tablesize(newsize) * 191 newkeymap = kzalloc(ir_roundup_tablesize(newsize) *
191 sizeof(*newkeymap), GFP_ATOMIC); 192 sizeof(*newkeymap), GFP_ATOMIC);
192 193
193 /* There's no memory for resize. Keep the old table */ 194 /* There's no memory for resize. Keep the old table */
194 if (!newkeymap) 195 if (!resize || !newkeymap) {
195 resize = 0;
196 }
197
198 if (!resize) {
199 newkeymap = oldkeymap; 196 newkeymap = oldkeymap;
200 197
201 /* We'll modify the live table. Lock it */ 198 /* We'll modify the live table. Lock it */
@@ -399,12 +396,14 @@ EXPORT_SYMBOL_GPL(ir_g_keycode_from_table);
399 * @input_dev: the struct input_dev descriptor of the device 396 * @input_dev: the struct input_dev descriptor of the device
400 * @rc_tab: the struct ir_scancode_table table of scancode/keymap 397 * @rc_tab: the struct ir_scancode_table table of scancode/keymap
401 * 398 *
402 * This routine is used to initialize the input infrastructure to work with 399 * This routine is used to initialize the input infrastructure
403 * an IR. 400 * to work with an IR.
404 * It should be called before registering the IR device. 401 * It will register the input/evdev interface for the device and
402 * register the syfs code for IR class
405 */ 403 */
406int ir_input_register(struct input_dev *input_dev, 404int ir_input_register(struct input_dev *input_dev,
407 struct ir_scancode_table *rc_tab) 405 const struct ir_scancode_table *rc_tab,
406 const struct ir_dev_props *props)
408{ 407{
409 struct ir_input_dev *ir_dev; 408 struct ir_input_dev *ir_dev;
410 struct ir_scancode *keymap = rc_tab->scan; 409 struct ir_scancode *keymap = rc_tab->scan;
@@ -417,19 +416,22 @@ int ir_input_register(struct input_dev *input_dev,
417 if (!ir_dev) 416 if (!ir_dev)
418 return -ENOMEM; 417 return -ENOMEM;
419 418
420 spin_lock_init(&rc_tab->lock); 419 spin_lock_init(&ir_dev->rc_tab.lock);
421 420
422 ir_dev->rc_tab.size = ir_roundup_tablesize(rc_tab->size); 421 ir_dev->rc_tab.size = ir_roundup_tablesize(rc_tab->size);
423 ir_dev->rc_tab.scan = kzalloc(ir_dev->rc_tab.size * 422 ir_dev->rc_tab.scan = kzalloc(ir_dev->rc_tab.size *
424 sizeof(struct ir_scancode), GFP_KERNEL); 423 sizeof(struct ir_scancode), GFP_KERNEL);
425 if (!ir_dev->rc_tab.scan) 424 if (!ir_dev->rc_tab.scan) {
425 kfree(ir_dev);
426 return -ENOMEM; 426 return -ENOMEM;
427 }
427 428
428 IR_dprintk(1, "Allocated space for %d keycode entries (%zd bytes)\n", 429 IR_dprintk(1, "Allocated space for %d keycode entries (%zd bytes)\n",
429 ir_dev->rc_tab.size, 430 ir_dev->rc_tab.size,
430 ir_dev->rc_tab.size * sizeof(ir_dev->rc_tab.scan)); 431 ir_dev->rc_tab.size * sizeof(ir_dev->rc_tab.scan));
431 432
432 ir_copy_table(&ir_dev->rc_tab, rc_tab); 433 ir_copy_table(&ir_dev->rc_tab, rc_tab);
434 ir_dev->props = props;
433 435
434 /* set the bits for the keys */ 436 /* set the bits for the keys */
435 IR_dprintk(1, "key map size: %d\n", rc_tab->size); 437 IR_dprintk(1, "key map size: %d\n", rc_tab->size);
@@ -447,16 +449,31 @@ int ir_input_register(struct input_dev *input_dev,
447 input_set_drvdata(input_dev, ir_dev); 449 input_set_drvdata(input_dev, ir_dev);
448 450
449 rc = input_register_device(input_dev); 451 rc = input_register_device(input_dev);
452 if (rc < 0)
453 goto err;
454
455 rc = ir_register_class(input_dev);
450 if (rc < 0) { 456 if (rc < 0) {
451 kfree(rc_tab->scan); 457 input_unregister_device(input_dev);
452 kfree(ir_dev); 458 goto err;
453 input_set_drvdata(input_dev, NULL);
454 } 459 }
455 460
461 return 0;
462
463err:
464 kfree(rc_tab->scan);
465 kfree(ir_dev);
466 input_set_drvdata(input_dev, NULL);
456 return rc; 467 return rc;
457} 468}
458EXPORT_SYMBOL_GPL(ir_input_register); 469EXPORT_SYMBOL_GPL(ir_input_register);
459 470
471/**
472 * ir_input_unregister() - unregisters IR and frees resources
473 * @input_dev: the struct input_dev descriptor of the device
474
475 * This routine is used to free memory and de-register interfaces.
476 */
460void ir_input_unregister(struct input_dev *dev) 477void ir_input_unregister(struct input_dev *dev)
461{ 478{
462 struct ir_input_dev *ir_dev = input_get_drvdata(dev); 479 struct ir_input_dev *ir_dev = input_get_drvdata(dev);
@@ -472,6 +489,8 @@ void ir_input_unregister(struct input_dev *dev)
472 kfree(rc_tab->scan); 489 kfree(rc_tab->scan);
473 rc_tab->scan = NULL; 490 rc_tab->scan = NULL;
474 491
492 ir_unregister_class(dev);
493
475 kfree(ir_dev); 494 kfree(ir_dev);
476 input_unregister_device(dev); 495 input_unregister_device(dev);
477} 496}
diff --git a/drivers/media/IR/ir-sysfs.c b/drivers/media/IR/ir-sysfs.c
new file mode 100644
index 000000000000..bf5fbcd84238
--- /dev/null
+++ b/drivers/media/IR/ir-sysfs.c
@@ -0,0 +1,211 @@
1/* ir-register.c - handle IR scancode->keycode tables
2 *
3 * Copyright (C) 2009 by Mauro Carvalho Chehab <mchehab@redhat.com>
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation version 2 of the License.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 */
14
15#include <linux/input.h>
16#include <linux/device.h>
17#include <media/ir-core.h>
18
19#define IRRCV_NUM_DEVICES 256
20
21/* bit array to represent IR sysfs device number */
22static unsigned long ir_core_dev_number;
23
24/* class for /sys/class/irrcv */
25static struct class *ir_input_class;
26
27/**
28 * show_protocol() - shows the current IR protocol
29 * @d: the device descriptor
30 * @mattr: the device attribute struct (unused)
31 * @buf: a pointer to the output buffer
32 *
33 * This routine is a callback routine for input read the IR protocol type.
34 * it is trigged by reading /sys/class/irrcv/irrcv?/current_protocol.
35 * It returns the protocol name, as understood by the driver.
36 */
37static ssize_t show_protocol(struct device *d,
38 struct device_attribute *mattr, char *buf)
39{
40 char *s;
41 struct ir_input_dev *ir_dev = dev_get_drvdata(d);
42 u64 ir_type = ir_dev->rc_tab.ir_type;
43
44 IR_dprintk(1, "Current protocol is %lld\n", (long long)ir_type);
45
46 /* FIXME: doesn't support multiple protocols at the same time */
47 if (ir_type == IR_TYPE_UNKNOWN)
48 s = "Unknown";
49 else if (ir_type == IR_TYPE_RC5)
50 s = "RC-5";
51 else if (ir_type == IR_TYPE_PD)
52 s = "Pulse/distance";
53 else if (ir_type == IR_TYPE_NEC)
54 s = "NEC";
55 else
56 s = "Other";
57
58 return sprintf(buf, "%s\n", s);
59}
60
61/**
62 * store_protocol() - shows the current IR protocol
63 * @d: the device descriptor
64 * @mattr: the device attribute struct (unused)
65 * @buf: a pointer to the input buffer
66 * @len: length of the input buffer
67 *
68 * This routine is a callback routine for changing the IR protocol type.
69 * it is trigged by reading /sys/class/irrcv/irrcv?/current_protocol.
70 * It changes the IR the protocol name, if the IR type is recognized
71 * by the driver.
72 * If an unknown protocol name is used, returns -EINVAL.
73 */
74static ssize_t store_protocol(struct device *d,
75 struct device_attribute *mattr,
76 const char *data,
77 size_t len)
78{
79 struct ir_input_dev *ir_dev = dev_get_drvdata(d);
80 u64 ir_type = IR_TYPE_UNKNOWN;
81 int rc = -EINVAL;
82 unsigned long flags;
83 char *buf;
84
85 buf = strsep((char **) &data, "\n");
86
87 if (!strcasecmp(buf, "rc-5"))
88 ir_type = IR_TYPE_RC5;
89 else if (!strcasecmp(buf, "pd"))
90 ir_type = IR_TYPE_PD;
91 else if (!strcasecmp(buf, "nec"))
92 ir_type = IR_TYPE_NEC;
93
94 if (ir_type == IR_TYPE_UNKNOWN) {
95 IR_dprintk(1, "Error setting protocol to %lld\n",
96 (long long)ir_type);
97 return -EINVAL;
98 }
99
100 if (ir_dev->props && ir_dev->props->change_protocol)
101 rc = ir_dev->props->change_protocol(ir_dev->props->priv,
102 ir_type);
103
104 if (rc < 0) {
105 IR_dprintk(1, "Error setting protocol to %lld\n",
106 (long long)ir_type);
107 return -EINVAL;
108 }
109
110 spin_lock_irqsave(&ir_dev->rc_tab.lock, flags);
111 ir_dev->rc_tab.ir_type = ir_type;
112 spin_unlock_irqrestore(&ir_dev->rc_tab.lock, flags);
113
114 IR_dprintk(1, "Current protocol is %lld\n",
115 (long long)ir_type);
116
117 return len;
118}
119
120/*
121 * Static device attribute struct with the sysfs attributes for IR's
122 */
123static DEVICE_ATTR(current_protocol, S_IRUGO | S_IWUSR,
124 show_protocol, store_protocol);
125
126static struct attribute *ir_dev_attrs[] = {
127 &dev_attr_current_protocol.attr,
128 NULL,
129};
130
131/**
132 * ir_register_class() - creates the sysfs for /sys/class/irrcv/irrcv?
133 * @input_dev: the struct input_dev descriptor of the device
134 *
135 * This routine is used to register the syfs code for IR class
136 */
137int ir_register_class(struct input_dev *input_dev)
138{
139 int rc;
140 struct kobject *kobj;
141
142 struct ir_input_dev *ir_dev = input_get_drvdata(input_dev);
143 int devno = find_first_zero_bit(&ir_core_dev_number,
144 IRRCV_NUM_DEVICES);
145
146 if (unlikely(devno < 0))
147 return devno;
148
149 ir_dev->attr.attrs = ir_dev_attrs;
150 ir_dev->class_dev = device_create(ir_input_class, NULL,
151 input_dev->dev.devt, ir_dev,
152 "irrcv%d", devno);
153 kobj = &ir_dev->class_dev->kobj;
154
155 printk(KERN_WARNING "Creating IR device %s\n", kobject_name(kobj));
156 rc = sysfs_create_group(kobj, &ir_dev->attr);
157 if (unlikely(rc < 0)) {
158 device_destroy(ir_input_class, input_dev->dev.devt);
159 return -ENOMEM;
160 }
161
162 ir_dev->devno = devno;
163 set_bit(devno, &ir_core_dev_number);
164
165 return 0;
166};
167
168/**
169 * ir_unregister_class() - removes the sysfs for sysfs for
170 * /sys/class/irrcv/irrcv?
171 * @input_dev: the struct input_dev descriptor of the device
172 *
173 * This routine is used to unregister the syfs code for IR class
174 */
175void ir_unregister_class(struct input_dev *input_dev)
176{
177 struct ir_input_dev *ir_dev = input_get_drvdata(input_dev);
178 struct kobject *kobj;
179
180 clear_bit(ir_dev->devno, &ir_core_dev_number);
181
182 kobj = &ir_dev->class_dev->kobj;
183
184 sysfs_remove_group(kobj, &ir_dev->attr);
185 device_destroy(ir_input_class, input_dev->dev.devt);
186
187 kfree(ir_dev->attr.name);
188}
189
190/*
191 * Init/exit code for the module. Basically, creates/removes /sys/class/irrcv
192 */
193
194static int __init ir_core_init(void)
195{
196 ir_input_class = class_create(THIS_MODULE, "irrcv");
197 if (IS_ERR(ir_input_class)) {
198 printk(KERN_ERR "ir_core: unable to register irrcv class\n");
199 return PTR_ERR(ir_input_class);
200 }
201
202 return 0;
203}
204
205static void __exit ir_core_exit(void)
206{
207 class_destroy(ir_input_class);
208}
209
210module_init(ir_core_init);
211module_exit(ir_core_exit);