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@@ -1,710 +0,0 @@
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-/* ir-keytable.c - handle IR scancode->keycode tables
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- *
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- * Copyright (C) 2009 by Mauro Carvalho Chehab <mchehab@redhat.com>
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License as published by
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- * the Free Software Foundation version 2 of the License.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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- * GNU General Public License for more details.
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- */
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-
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-
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-#include <linux/input.h>
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-#include <linux/slab.h>
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-#include "ir-core-priv.h"
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-
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-/* Sizes are in bytes, 256 bytes allows for 32 entries on x64 */
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-#define IR_TAB_MIN_SIZE 256
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-#define IR_TAB_MAX_SIZE 8192
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-
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-/* FIXME: IR_KEYPRESS_TIMEOUT should be protocol specific */
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-#define IR_KEYPRESS_TIMEOUT 250
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-
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-/**
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- * ir_create_table() - initializes a scancode table
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- * @rc_tab: the ir_scancode_table to initialize
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- * @name: name to assign to the table
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- * @ir_type: ir type to assign to the new table
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- * @size: initial size of the table
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- * @return: zero on success or a negative error code
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- *
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- * This routine will initialize the ir_scancode_table and will allocate
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- * memory to hold at least the specified number elements.
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- */
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-static int ir_create_table(struct ir_scancode_table *rc_tab,
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- const char *name, u64 ir_type, size_t size)
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-{
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- rc_tab->name = name;
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- rc_tab->ir_type = ir_type;
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- rc_tab->alloc = roundup_pow_of_two(size * sizeof(struct ir_scancode));
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- rc_tab->size = rc_tab->alloc / sizeof(struct ir_scancode);
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- rc_tab->scan = kmalloc(rc_tab->alloc, GFP_KERNEL);
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- if (!rc_tab->scan)
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- return -ENOMEM;
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-
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- IR_dprintk(1, "Allocated space for %u keycode entries (%u bytes)\n",
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- rc_tab->size, rc_tab->alloc);
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- return 0;
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-}
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-
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-/**
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- * ir_free_table() - frees memory allocated by a scancode table
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- * @rc_tab: the table whose mappings need to be freed
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- *
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- * This routine will free memory alloctaed for key mappings used by given
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- * scancode table.
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- */
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-static void ir_free_table(struct ir_scancode_table *rc_tab)
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-{
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- rc_tab->size = 0;
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- kfree(rc_tab->scan);
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- rc_tab->scan = NULL;
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-}
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-
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-/**
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- * ir_resize_table() - resizes a scancode table if necessary
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- * @rc_tab: the ir_scancode_table to resize
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- * @gfp_flags: gfp flags to use when allocating memory
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- * @return: zero on success or a negative error code
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- *
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- * This routine will shrink the ir_scancode_table if it has lots of
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- * unused entries and grow it if it is full.
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- */
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-static int ir_resize_table(struct ir_scancode_table *rc_tab, gfp_t gfp_flags)
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-{
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- unsigned int oldalloc = rc_tab->alloc;
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- unsigned int newalloc = oldalloc;
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- struct ir_scancode *oldscan = rc_tab->scan;
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- struct ir_scancode *newscan;
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-
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- if (rc_tab->size == rc_tab->len) {
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- /* All entries in use -> grow keytable */
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- if (rc_tab->alloc >= IR_TAB_MAX_SIZE)
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- return -ENOMEM;
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-
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- newalloc *= 2;
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- IR_dprintk(1, "Growing table to %u bytes\n", newalloc);
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- }
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-
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- if ((rc_tab->len * 3 < rc_tab->size) && (oldalloc > IR_TAB_MIN_SIZE)) {
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- /* Less than 1/3 of entries in use -> shrink keytable */
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- newalloc /= 2;
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- IR_dprintk(1, "Shrinking table to %u bytes\n", newalloc);
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- }
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-
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- if (newalloc == oldalloc)
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- return 0;
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-
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- newscan = kmalloc(newalloc, gfp_flags);
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- if (!newscan) {
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- IR_dprintk(1, "Failed to kmalloc %u bytes\n", newalloc);
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- return -ENOMEM;
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- }
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-
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- memcpy(newscan, rc_tab->scan, rc_tab->len * sizeof(struct ir_scancode));
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- rc_tab->scan = newscan;
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- rc_tab->alloc = newalloc;
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- rc_tab->size = rc_tab->alloc / sizeof(struct ir_scancode);
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- kfree(oldscan);
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- return 0;
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-}
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-
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-/**
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- * ir_update_mapping() - set a keycode in the scancode->keycode table
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- * @dev: the struct input_dev device descriptor
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- * @rc_tab: scancode table to be adjusted
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- * @index: index of the mapping that needs to be updated
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- * @keycode: the desired keycode
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- * @return: previous keycode assigned to the mapping
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- *
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- * This routine is used to update scancode->keycopde mapping at given
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- * position.
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- */
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-static unsigned int ir_update_mapping(struct input_dev *dev,
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- struct ir_scancode_table *rc_tab,
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- unsigned int index,
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- unsigned int new_keycode)
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-{
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- int old_keycode = rc_tab->scan[index].keycode;
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- int i;
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-
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- /* Did the user wish to remove the mapping? */
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- if (new_keycode == KEY_RESERVED || new_keycode == KEY_UNKNOWN) {
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- IR_dprintk(1, "#%d: Deleting scan 0x%04x\n",
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- index, rc_tab->scan[index].scancode);
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- rc_tab->len--;
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- memmove(&rc_tab->scan[index], &rc_tab->scan[index+ 1],
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- (rc_tab->len - index) * sizeof(struct ir_scancode));
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- } else {
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- IR_dprintk(1, "#%d: %s scan 0x%04x with key 0x%04x\n",
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- index,
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- old_keycode == KEY_RESERVED ? "New" : "Replacing",
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- rc_tab->scan[index].scancode, new_keycode);
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- rc_tab->scan[index].keycode = new_keycode;
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- __set_bit(new_keycode, dev->keybit);
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- }
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-
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- if (old_keycode != KEY_RESERVED) {
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- /* A previous mapping was updated... */
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- __clear_bit(old_keycode, dev->keybit);
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- /* ... but another scancode might use the same keycode */
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- for (i = 0; i < rc_tab->len; i++) {
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- if (rc_tab->scan[i].keycode == old_keycode) {
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- __set_bit(old_keycode, dev->keybit);
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- break;
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- }
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- }
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-
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- /* Possibly shrink the keytable, failure is not a problem */
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- ir_resize_table(rc_tab, GFP_ATOMIC);
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- }
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-
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- return old_keycode;
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-}
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-
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-/**
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- * ir_locate_scancode() - set a keycode in the scancode->keycode table
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- * @ir_dev: the struct ir_input_dev device descriptor
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- * @rc_tab: scancode table to be searched
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- * @scancode: the desired scancode
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- * @resize: controls whether we allowed to resize the table to
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- * accomodate not yet present scancodes
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- * @return: index of the mapping containing scancode in question
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- * or -1U in case of failure.
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- *
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- * This routine is used to locate given scancode in ir_scancode_table.
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- * If scancode is not yet present the routine will allocate a new slot
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- * for it.
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- */
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-static unsigned int ir_establish_scancode(struct ir_input_dev *ir_dev,
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- struct ir_scancode_table *rc_tab,
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- unsigned int scancode,
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- bool resize)
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-{
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- unsigned int i;
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-
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- /*
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- * Unfortunately, some hardware-based IR decoders don't provide
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- * all bits for the complete IR code. In general, they provide only
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- * the command part of the IR code. Yet, as it is possible to replace
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- * the provided IR with another one, it is needed to allow loading
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- * IR tables from other remotes. So,
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- */
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- if (ir_dev->props && ir_dev->props->scanmask)
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- scancode &= ir_dev->props->scanmask;
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-
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- /* First check if we already have a mapping for this ir command */
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- for (i = 0; i < rc_tab->len; i++) {
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- if (rc_tab->scan[i].scancode == scancode)
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- return i;
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-
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- /* Keytable is sorted from lowest to highest scancode */
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- if (rc_tab->scan[i].scancode >= scancode)
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- break;
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- }
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-
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- /* No previous mapping found, we might need to grow the table */
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- if (rc_tab->size == rc_tab->len) {
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- if (!resize || ir_resize_table(rc_tab, GFP_ATOMIC))
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- return -1U;
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- }
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-
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- /* i is the proper index to insert our new keycode */
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- if (i < rc_tab->len)
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- memmove(&rc_tab->scan[i + 1], &rc_tab->scan[i],
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- (rc_tab->len - i) * sizeof(struct ir_scancode));
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- rc_tab->scan[i].scancode = scancode;
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- rc_tab->scan[i].keycode = KEY_RESERVED;
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- rc_tab->len++;
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-
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- return i;
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-}
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-
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-/**
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- * ir_setkeycode() - set a keycode in the scancode->keycode table
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- * @dev: the struct input_dev device descriptor
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- * @scancode: the desired scancode
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- * @keycode: result
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- * @return: -EINVAL if the keycode could not be inserted, otherwise zero.
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- *
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- * This routine is used to handle evdev EVIOCSKEY ioctl.
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- */
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-static int ir_setkeycode(struct input_dev *dev,
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- const struct input_keymap_entry *ke,
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- unsigned int *old_keycode)
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-{
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- struct ir_input_dev *ir_dev = input_get_drvdata(dev);
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- struct ir_scancode_table *rc_tab = &ir_dev->rc_tab;
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- unsigned int index;
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- unsigned int scancode;
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- int retval;
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- unsigned long flags;
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-
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- spin_lock_irqsave(&rc_tab->lock, flags);
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-
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- if (ke->flags & INPUT_KEYMAP_BY_INDEX) {
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- index = ke->index;
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- if (index >= rc_tab->len) {
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- retval = -EINVAL;
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- goto out;
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- }
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- } else {
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- retval = input_scancode_to_scalar(ke, &scancode);
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- if (retval)
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- goto out;
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-
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- index = ir_establish_scancode(ir_dev, rc_tab, scancode, true);
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- if (index >= rc_tab->len) {
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- retval = -ENOMEM;
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- goto out;
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- }
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- }
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-
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- *old_keycode = ir_update_mapping(dev, rc_tab, index, ke->keycode);
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-
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-out:
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- spin_unlock_irqrestore(&rc_tab->lock, flags);
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- return retval;
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-}
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-
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-/**
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- * ir_setkeytable() - sets several entries in the scancode->keycode table
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- * @dev: the struct input_dev device descriptor
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- * @to: the struct ir_scancode_table to copy entries to
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- * @from: the struct ir_scancode_table to copy entries from
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- * @return: -ENOMEM if all keycodes could not be inserted, otherwise zero.
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- *
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- * This routine is used to handle table initialization.
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- */
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-static int ir_setkeytable(struct ir_input_dev *ir_dev,
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- const struct ir_scancode_table *from)
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-{
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- struct ir_scancode_table *rc_tab = &ir_dev->rc_tab;
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- unsigned int i, index;
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- int rc;
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-
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- rc = ir_create_table(&ir_dev->rc_tab,
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- from->name, from->ir_type, from->size);
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- if (rc)
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- return rc;
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-
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- IR_dprintk(1, "Allocated space for %u keycode entries (%u bytes)\n",
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- rc_tab->size, rc_tab->alloc);
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-
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- for (i = 0; i < from->size; i++) {
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- index = ir_establish_scancode(ir_dev, rc_tab,
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- from->scan[i].scancode, false);
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- if (index >= rc_tab->len) {
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- rc = -ENOMEM;
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- break;
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- }
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-
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- ir_update_mapping(ir_dev->input_dev, rc_tab, index,
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- from->scan[i].keycode);
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- }
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-
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- if (rc)
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- ir_free_table(rc_tab);
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-
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- return rc;
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-}
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-
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-/**
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- * ir_lookup_by_scancode() - locate mapping by scancode
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- * @rc_tab: the &struct ir_scancode_table to search
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- * @scancode: scancode to look for in the table
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- * @return: index in the table, -1U if not found
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- *
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- * This routine performs binary search in RC keykeymap table for
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- * given scancode.
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- */
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-static unsigned int ir_lookup_by_scancode(const struct ir_scancode_table *rc_tab,
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- unsigned int scancode)
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-{
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- int start = 0;
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- int end = rc_tab->len - 1;
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- int mid;
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-
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- while (start <= end) {
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- mid = (start + end) / 2;
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- if (rc_tab->scan[mid].scancode < scancode)
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- start = mid + 1;
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- else if (rc_tab->scan[mid].scancode > scancode)
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- end = mid - 1;
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- else
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- return mid;
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- }
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-
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- return -1U;
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-}
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-
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-/**
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- * ir_getkeycode() - get a keycode from the scancode->keycode table
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- * @dev: the struct input_dev device descriptor
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- * @scancode: the desired scancode
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- * @keycode: used to return the keycode, if found, or KEY_RESERVED
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- * @return: always returns zero.
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- *
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- * This routine is used to handle evdev EVIOCGKEY ioctl.
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- */
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-static int ir_getkeycode(struct input_dev *dev,
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- struct input_keymap_entry *ke)
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-{
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- struct ir_input_dev *ir_dev = input_get_drvdata(dev);
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- struct ir_scancode_table *rc_tab = &ir_dev->rc_tab;
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- struct ir_scancode *entry;
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- unsigned long flags;
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- unsigned int index;
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- unsigned int scancode;
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- int retval;
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-
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- spin_lock_irqsave(&rc_tab->lock, flags);
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-
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- if (ke->flags & INPUT_KEYMAP_BY_INDEX) {
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- index = ke->index;
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- } else {
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- retval = input_scancode_to_scalar(ke, &scancode);
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- if (retval)
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- goto out;
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-
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- index = ir_lookup_by_scancode(rc_tab, scancode);
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- }
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-
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- if (index >= rc_tab->len) {
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- if (!(ke->flags & INPUT_KEYMAP_BY_INDEX))
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- IR_dprintk(1, "unknown key for scancode 0x%04x\n",
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- scancode);
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- retval = -EINVAL;
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- goto out;
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- }
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-
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- entry = &rc_tab->scan[index];
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-
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- ke->index = index;
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- ke->keycode = entry->keycode;
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- ke->len = sizeof(entry->scancode);
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- memcpy(ke->scancode, &entry->scancode, sizeof(entry->scancode));
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-
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|
|
- retval = 0;
|
|
|
-
|
|
|
-out:
|
|
|
- spin_unlock_irqrestore(&rc_tab->lock, flags);
|
|
|
- return retval;
|
|
|
-}
|
|
|
-
|
|
|
-/**
|
|
|
- * ir_g_keycode_from_table() - gets the keycode that corresponds to a scancode
|
|
|
- * @input_dev: the struct input_dev descriptor of the device
|
|
|
- * @scancode: the scancode that we're seeking
|
|
|
- *
|
|
|
- * This routine is used by the input routines when a key is pressed at the
|
|
|
- * IR. The scancode is received and needs to be converted into a keycode.
|
|
|
- * If the key is not found, it returns KEY_RESERVED. Otherwise, returns the
|
|
|
- * corresponding keycode from the table.
|
|
|
- */
|
|
|
-u32 ir_g_keycode_from_table(struct input_dev *dev, u32 scancode)
|
|
|
-{
|
|
|
- struct ir_input_dev *ir_dev = input_get_drvdata(dev);
|
|
|
- struct ir_scancode_table *rc_tab = &ir_dev->rc_tab;
|
|
|
- unsigned int keycode;
|
|
|
- unsigned int index;
|
|
|
- unsigned long flags;
|
|
|
-
|
|
|
- spin_lock_irqsave(&rc_tab->lock, flags);
|
|
|
-
|
|
|
- index = ir_lookup_by_scancode(rc_tab, scancode);
|
|
|
- keycode = index < rc_tab->len ?
|
|
|
- rc_tab->scan[index].keycode : KEY_RESERVED;
|
|
|
-
|
|
|
- spin_unlock_irqrestore(&rc_tab->lock, flags);
|
|
|
-
|
|
|
- if (keycode != KEY_RESERVED)
|
|
|
- IR_dprintk(1, "%s: scancode 0x%04x keycode 0x%02x\n",
|
|
|
- dev->name, scancode, keycode);
|
|
|
-
|
|
|
- return keycode;
|
|
|
-}
|
|
|
-EXPORT_SYMBOL_GPL(ir_g_keycode_from_table);
|
|
|
-
|
|
|
-/**
|
|
|
- * ir_keyup() - generates input event to cleanup a key press
|
|
|
- * @ir: the struct ir_input_dev descriptor of the device
|
|
|
- *
|
|
|
- * This routine is used to signal that a key has been released on the
|
|
|
- * remote control. It reports a keyup input event via input_report_key().
|
|
|
- */
|
|
|
-void ir_keyup(struct ir_input_dev *ir)
|
|
|
-{
|
|
|
- if (!ir->keypressed)
|
|
|
- return;
|
|
|
-
|
|
|
- IR_dprintk(1, "keyup key 0x%04x\n", ir->last_keycode);
|
|
|
- input_report_key(ir->input_dev, ir->last_keycode, 0);
|
|
|
- input_sync(ir->input_dev);
|
|
|
- ir->keypressed = false;
|
|
|
-}
|
|
|
-EXPORT_SYMBOL_GPL(ir_keyup);
|
|
|
-
|
|
|
-/**
|
|
|
- * ir_timer_keyup() - generates a keyup event after a timeout
|
|
|
- * @cookie: a pointer to struct ir_input_dev passed to setup_timer()
|
|
|
- *
|
|
|
- * This routine will generate a keyup event some time after a keydown event
|
|
|
- * is generated when no further activity has been detected.
|
|
|
- */
|
|
|
-static void ir_timer_keyup(unsigned long cookie)
|
|
|
-{
|
|
|
- struct ir_input_dev *ir = (struct ir_input_dev *)cookie;
|
|
|
- unsigned long flags;
|
|
|
-
|
|
|
- /*
|
|
|
- * ir->keyup_jiffies is used to prevent a race condition if a
|
|
|
- * hardware interrupt occurs at this point and the keyup timer
|
|
|
- * event is moved further into the future as a result.
|
|
|
- *
|
|
|
- * The timer will then be reactivated and this function called
|
|
|
- * again in the future. We need to exit gracefully in that case
|
|
|
- * to allow the input subsystem to do its auto-repeat magic or
|
|
|
- * a keyup event might follow immediately after the keydown.
|
|
|
- */
|
|
|
- spin_lock_irqsave(&ir->keylock, flags);
|
|
|
- if (time_is_before_eq_jiffies(ir->keyup_jiffies))
|
|
|
- ir_keyup(ir);
|
|
|
- spin_unlock_irqrestore(&ir->keylock, flags);
|
|
|
-}
|
|
|
-
|
|
|
-/**
|
|
|
- * ir_repeat() - notifies the IR core that a key is still pressed
|
|
|
- * @dev: the struct input_dev descriptor of the device
|
|
|
- *
|
|
|
- * This routine is used by IR decoders when a repeat message which does
|
|
|
- * not include the necessary bits to reproduce the scancode has been
|
|
|
- * received.
|
|
|
- */
|
|
|
-void ir_repeat(struct input_dev *dev)
|
|
|
-{
|
|
|
- unsigned long flags;
|
|
|
- struct ir_input_dev *ir = input_get_drvdata(dev);
|
|
|
-
|
|
|
- spin_lock_irqsave(&ir->keylock, flags);
|
|
|
-
|
|
|
- input_event(dev, EV_MSC, MSC_SCAN, ir->last_scancode);
|
|
|
-
|
|
|
- if (!ir->keypressed)
|
|
|
- goto out;
|
|
|
-
|
|
|
- ir->keyup_jiffies = jiffies + msecs_to_jiffies(IR_KEYPRESS_TIMEOUT);
|
|
|
- mod_timer(&ir->timer_keyup, ir->keyup_jiffies);
|
|
|
-
|
|
|
-out:
|
|
|
- spin_unlock_irqrestore(&ir->keylock, flags);
|
|
|
-}
|
|
|
-EXPORT_SYMBOL_GPL(ir_repeat);
|
|
|
-
|
|
|
-/**
|
|
|
- * ir_keydown() - generates input event for a key press
|
|
|
- * @dev: the struct input_dev descriptor of the device
|
|
|
- * @scancode: the scancode that we're seeking
|
|
|
- * @toggle: the toggle value (protocol dependent, if the protocol doesn't
|
|
|
- * support toggle values, this should be set to zero)
|
|
|
- *
|
|
|
- * This routine is used by the input routines when a key is pressed at the
|
|
|
- * IR. It gets the keycode for a scancode and reports an input event via
|
|
|
- * input_report_key().
|
|
|
- */
|
|
|
-void ir_keydown(struct input_dev *dev, int scancode, u8 toggle)
|
|
|
-{
|
|
|
- unsigned long flags;
|
|
|
- struct ir_input_dev *ir = input_get_drvdata(dev);
|
|
|
-
|
|
|
- u32 keycode = ir_g_keycode_from_table(dev, scancode);
|
|
|
-
|
|
|
- spin_lock_irqsave(&ir->keylock, flags);
|
|
|
-
|
|
|
- input_event(dev, EV_MSC, MSC_SCAN, scancode);
|
|
|
-
|
|
|
- /* Repeat event? */
|
|
|
- if (ir->keypressed &&
|
|
|
- ir->last_scancode == scancode &&
|
|
|
- ir->last_toggle == toggle)
|
|
|
- goto set_timer;
|
|
|
-
|
|
|
- /* Release old keypress */
|
|
|
- ir_keyup(ir);
|
|
|
-
|
|
|
- ir->last_scancode = scancode;
|
|
|
- ir->last_toggle = toggle;
|
|
|
- ir->last_keycode = keycode;
|
|
|
-
|
|
|
-
|
|
|
- if (keycode == KEY_RESERVED)
|
|
|
- goto out;
|
|
|
-
|
|
|
-
|
|
|
- /* Register a keypress */
|
|
|
- ir->keypressed = true;
|
|
|
- IR_dprintk(1, "%s: key down event, key 0x%04x, scancode 0x%04x\n",
|
|
|
- dev->name, keycode, scancode);
|
|
|
- input_report_key(dev, ir->last_keycode, 1);
|
|
|
- input_sync(dev);
|
|
|
-
|
|
|
-set_timer:
|
|
|
- ir->keyup_jiffies = jiffies + msecs_to_jiffies(IR_KEYPRESS_TIMEOUT);
|
|
|
- mod_timer(&ir->timer_keyup, ir->keyup_jiffies);
|
|
|
-out:
|
|
|
- spin_unlock_irqrestore(&ir->keylock, flags);
|
|
|
-}
|
|
|
-EXPORT_SYMBOL_GPL(ir_keydown);
|
|
|
-
|
|
|
-static int ir_open(struct input_dev *input_dev)
|
|
|
-{
|
|
|
- struct ir_input_dev *ir_dev = input_get_drvdata(input_dev);
|
|
|
-
|
|
|
- return ir_dev->props->open(ir_dev->props->priv);
|
|
|
-}
|
|
|
-
|
|
|
-static void ir_close(struct input_dev *input_dev)
|
|
|
-{
|
|
|
- struct ir_input_dev *ir_dev = input_get_drvdata(input_dev);
|
|
|
-
|
|
|
- ir_dev->props->close(ir_dev->props->priv);
|
|
|
-}
|
|
|
-
|
|
|
-/**
|
|
|
- * __ir_input_register() - sets the IR keycode table and add the handlers
|
|
|
- * for keymap table get/set
|
|
|
- * @input_dev: the struct input_dev descriptor of the device
|
|
|
- * @rc_tab: the struct ir_scancode_table table of scancode/keymap
|
|
|
- *
|
|
|
- * This routine is used to initialize the input infrastructure
|
|
|
- * to work with an IR.
|
|
|
- * It will register the input/evdev interface for the device and
|
|
|
- * register the syfs code for IR class
|
|
|
- */
|
|
|
-int __ir_input_register(struct input_dev *input_dev,
|
|
|
- const struct ir_scancode_table *rc_tab,
|
|
|
- struct ir_dev_props *props,
|
|
|
- const char *driver_name)
|
|
|
-{
|
|
|
- struct ir_input_dev *ir_dev;
|
|
|
- int rc;
|
|
|
-
|
|
|
- if (rc_tab->scan == NULL || !rc_tab->size)
|
|
|
- return -EINVAL;
|
|
|
-
|
|
|
- ir_dev = kzalloc(sizeof(*ir_dev), GFP_KERNEL);
|
|
|
- if (!ir_dev)
|
|
|
- return -ENOMEM;
|
|
|
-
|
|
|
- ir_dev->driver_name = kasprintf(GFP_KERNEL, "%s", driver_name);
|
|
|
- if (!ir_dev->driver_name) {
|
|
|
- rc = -ENOMEM;
|
|
|
- goto out_dev;
|
|
|
- }
|
|
|
-
|
|
|
- input_dev->getkeycode_new = ir_getkeycode;
|
|
|
- input_dev->setkeycode_new = ir_setkeycode;
|
|
|
- input_set_drvdata(input_dev, ir_dev);
|
|
|
- ir_dev->input_dev = input_dev;
|
|
|
-
|
|
|
- spin_lock_init(&ir_dev->rc_tab.lock);
|
|
|
- spin_lock_init(&ir_dev->keylock);
|
|
|
- setup_timer(&ir_dev->timer_keyup, ir_timer_keyup, (unsigned long)ir_dev);
|
|
|
-
|
|
|
- if (props) {
|
|
|
- ir_dev->props = props;
|
|
|
- if (props->open)
|
|
|
- input_dev->open = ir_open;
|
|
|
- if (props->close)
|
|
|
- input_dev->close = ir_close;
|
|
|
- }
|
|
|
-
|
|
|
- set_bit(EV_KEY, input_dev->evbit);
|
|
|
- set_bit(EV_REP, input_dev->evbit);
|
|
|
- set_bit(EV_MSC, input_dev->evbit);
|
|
|
- set_bit(MSC_SCAN, input_dev->mscbit);
|
|
|
-
|
|
|
- rc = ir_setkeytable(ir_dev, rc_tab);
|
|
|
- if (rc)
|
|
|
- goto out_name;
|
|
|
-
|
|
|
- rc = ir_register_class(input_dev);
|
|
|
- if (rc < 0)
|
|
|
- goto out_table;
|
|
|
-
|
|
|
- if (ir_dev->props)
|
|
|
- if (ir_dev->props->driver_type == RC_DRIVER_IR_RAW) {
|
|
|
- rc = ir_raw_event_register(input_dev);
|
|
|
- if (rc < 0)
|
|
|
- goto out_event;
|
|
|
- }
|
|
|
-
|
|
|
- rc = ir_register_input(input_dev);
|
|
|
- if (rc < 0)
|
|
|
- goto out_event;
|
|
|
-
|
|
|
- IR_dprintk(1, "Registered input device on %s for %s remote%s.\n",
|
|
|
- driver_name, rc_tab->name,
|
|
|
- (ir_dev->props && ir_dev->props->driver_type == RC_DRIVER_IR_RAW) ?
|
|
|
- " in raw mode" : "");
|
|
|
-
|
|
|
- /*
|
|
|
- * Default delay of 250ms is too short for some protocols, expecially
|
|
|
- * since the timeout is currently set to 250ms. Increase it to 500ms,
|
|
|
- * to avoid wrong repetition of the keycodes.
|
|
|
- */
|
|
|
- input_dev->rep[REP_DELAY] = 500;
|
|
|
-
|
|
|
- return 0;
|
|
|
-
|
|
|
-out_event:
|
|
|
- ir_unregister_class(input_dev);
|
|
|
-out_table:
|
|
|
- ir_free_table(&ir_dev->rc_tab);
|
|
|
-out_name:
|
|
|
- kfree(ir_dev->driver_name);
|
|
|
-out_dev:
|
|
|
- kfree(ir_dev);
|
|
|
- return rc;
|
|
|
-}
|
|
|
-EXPORT_SYMBOL_GPL(__ir_input_register);
|
|
|
-
|
|
|
-/**
|
|
|
- * ir_input_unregister() - unregisters IR and frees resources
|
|
|
- * @input_dev: the struct input_dev descriptor of the device
|
|
|
-
|
|
|
- * This routine is used to free memory and de-register interfaces.
|
|
|
- */
|
|
|
-void ir_input_unregister(struct input_dev *input_dev)
|
|
|
-{
|
|
|
- struct ir_input_dev *ir_dev = input_get_drvdata(input_dev);
|
|
|
-
|
|
|
- if (!ir_dev)
|
|
|
- return;
|
|
|
-
|
|
|
- IR_dprintk(1, "Freed keycode table\n");
|
|
|
-
|
|
|
- del_timer_sync(&ir_dev->timer_keyup);
|
|
|
- if (ir_dev->props)
|
|
|
- if (ir_dev->props->driver_type == RC_DRIVER_IR_RAW)
|
|
|
- ir_raw_event_unregister(input_dev);
|
|
|
-
|
|
|
- ir_free_table(&ir_dev->rc_tab);
|
|
|
-
|
|
|
- ir_unregister_class(input_dev);
|
|
|
-
|
|
|
- kfree(ir_dev->driver_name);
|
|
|
- kfree(ir_dev);
|
|
|
-}
|
|
|
-EXPORT_SYMBOL_GPL(ir_input_unregister);
|
|
|
-
|
|
|
-int ir_core_debug; /* ir_debug level (0,1,2) */
|
|
|
-EXPORT_SYMBOL_GPL(ir_core_debug);
|
|
|
-module_param_named(debug, ir_core_debug, int, 0644);
|
|
|
-
|
|
|
-MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@redhat.com>");
|
|
|
-MODULE_LICENSE("GPL");
|