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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/drivers/input/misc/sgi_btns.c | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
download | FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2 FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip |
Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/drivers/input/misc/sgi_btns.c')
-rw-r--r-- | ANDROID_3.4.5/drivers/input/misc/sgi_btns.c | 169 |
1 files changed, 0 insertions, 169 deletions
diff --git a/ANDROID_3.4.5/drivers/input/misc/sgi_btns.c b/ANDROID_3.4.5/drivers/input/misc/sgi_btns.c deleted file mode 100644 index 5d9fd557..00000000 --- a/ANDROID_3.4.5/drivers/input/misc/sgi_btns.c +++ /dev/null @@ -1,169 +0,0 @@ -/* - * SGI Volume Button interface driver - * - * Copyright (C) 2008 Thomas Bogendoerfer <tsbogend@alpha.franken.de> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ -#include <linux/init.h> -#include <linux/input-polldev.h> -#include <linux/ioport.h> -#include <linux/module.h> -#include <linux/platform_device.h> -#include <linux/slab.h> - -#ifdef CONFIG_SGI_IP22 -#include <asm/sgi/ioc.h> - -static inline u8 button_status(void) -{ - u8 status; - - status = readb(&sgioc->panel) ^ 0xa0; - return ((status & 0x80) >> 6) | ((status & 0x20) >> 5); -} -#endif - -#ifdef CONFIG_SGI_IP32 -#include <asm/ip32/mace.h> - -static inline u8 button_status(void) -{ - u64 status; - - status = readq(&mace->perif.audio.control); - writeq(status & ~(3U << 23), &mace->perif.audio.control); - - return (status >> 23) & 3; -} -#endif - -#define BUTTONS_POLL_INTERVAL 30 /* msec */ -#define BUTTONS_COUNT_THRESHOLD 3 - -static const unsigned short sgi_map[] = { - KEY_VOLUMEDOWN, - KEY_VOLUMEUP -}; - -struct buttons_dev { - struct input_polled_dev *poll_dev; - unsigned short keymap[ARRAY_SIZE(sgi_map)]; - int count[ARRAY_SIZE(sgi_map)]; -}; - -static void handle_buttons(struct input_polled_dev *dev) -{ - struct buttons_dev *bdev = dev->private; - struct input_dev *input = dev->input; - u8 status; - int i; - - status = button_status(); - - for (i = 0; i < ARRAY_SIZE(bdev->keymap); i++) { - if (status & (1U << i)) { - if (++bdev->count[i] == BUTTONS_COUNT_THRESHOLD) { - input_event(input, EV_MSC, MSC_SCAN, i); - input_report_key(input, bdev->keymap[i], 1); - input_sync(input); - } - } else { - if (bdev->count[i] >= BUTTONS_COUNT_THRESHOLD) { - input_event(input, EV_MSC, MSC_SCAN, i); - input_report_key(input, bdev->keymap[i], 0); - input_sync(input); - } - bdev->count[i] = 0; - } - } -} - -static int __devinit sgi_buttons_probe(struct platform_device *pdev) -{ - struct buttons_dev *bdev; - struct input_polled_dev *poll_dev; - struct input_dev *input; - int error, i; - - bdev = kzalloc(sizeof(struct buttons_dev), GFP_KERNEL); - poll_dev = input_allocate_polled_device(); - if (!bdev || !poll_dev) { - error = -ENOMEM; - goto err_free_mem; - } - - memcpy(bdev->keymap, sgi_map, sizeof(bdev->keymap)); - - poll_dev->private = bdev; - poll_dev->poll = handle_buttons; - poll_dev->poll_interval = BUTTONS_POLL_INTERVAL; - - input = poll_dev->input; - input->name = "SGI buttons"; - input->phys = "sgi/input0"; - input->id.bustype = BUS_HOST; - input->dev.parent = &pdev->dev; - - input->keycode = bdev->keymap; - input->keycodemax = ARRAY_SIZE(bdev->keymap); - input->keycodesize = sizeof(unsigned short); - - input_set_capability(input, EV_MSC, MSC_SCAN); - __set_bit(EV_KEY, input->evbit); - for (i = 0; i < ARRAY_SIZE(sgi_map); i++) - __set_bit(bdev->keymap[i], input->keybit); - __clear_bit(KEY_RESERVED, input->keybit); - - bdev->poll_dev = poll_dev; - dev_set_drvdata(&pdev->dev, bdev); - - error = input_register_polled_device(poll_dev); - if (error) - goto err_free_mem; - - return 0; - - err_free_mem: - input_free_polled_device(poll_dev); - kfree(bdev); - dev_set_drvdata(&pdev->dev, NULL); - return error; -} - -static int __devexit sgi_buttons_remove(struct platform_device *pdev) -{ - struct device *dev = &pdev->dev; - struct buttons_dev *bdev = dev_get_drvdata(dev); - - input_unregister_polled_device(bdev->poll_dev); - input_free_polled_device(bdev->poll_dev); - kfree(bdev); - dev_set_drvdata(dev, NULL); - - return 0; -} - -static struct platform_driver sgi_buttons_driver = { - .probe = sgi_buttons_probe, - .remove = __devexit_p(sgi_buttons_remove), - .driver = { - .name = "sgibtns", - .owner = THIS_MODULE, - }, -}; -module_platform_driver(sgi_buttons_driver); - -MODULE_LICENSE("GPL"); |