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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/bfin_rotary.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/bfin_rotary.c')
-rw-r--r-- | ANDROID_3.4.5/drivers/input/misc/bfin_rotary.c | 272 |
1 files changed, 0 insertions, 272 deletions
diff --git a/ANDROID_3.4.5/drivers/input/misc/bfin_rotary.c b/ANDROID_3.4.5/drivers/input/misc/bfin_rotary.c deleted file mode 100644 index 1c4146fc..00000000 --- a/ANDROID_3.4.5/drivers/input/misc/bfin_rotary.c +++ /dev/null @@ -1,272 +0,0 @@ -/* - * Rotary counter driver for Analog Devices Blackfin Processors - * - * Copyright 2008-2009 Analog Devices Inc. - * Licensed under the GPL-2 or later. - */ - -#include <linux/module.h> -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/irq.h> -#include <linux/pm.h> -#include <linux/platform_device.h> -#include <linux/input.h> -#include <linux/slab.h> - -#include <asm/portmux.h> -#include <asm/bfin_rotary.h> - -static const u16 per_cnt[] = { - P_CNT_CUD, - P_CNT_CDG, - P_CNT_CZM, - 0 -}; - -struct bfin_rot { - struct input_dev *input; - int irq; - unsigned int up_key; - unsigned int down_key; - unsigned int button_key; - unsigned int rel_code; - unsigned short cnt_config; - unsigned short cnt_imask; - unsigned short cnt_debounce; -}; - -static void report_key_event(struct input_dev *input, int keycode) -{ - /* simulate a press-n-release */ - input_report_key(input, keycode, 1); - input_sync(input); - input_report_key(input, keycode, 0); - input_sync(input); -} - -static void report_rotary_event(struct bfin_rot *rotary, int delta) -{ - struct input_dev *input = rotary->input; - - if (rotary->up_key) { - report_key_event(input, - delta > 0 ? rotary->up_key : rotary->down_key); - } else { - input_report_rel(input, rotary->rel_code, delta); - input_sync(input); - } -} - -static irqreturn_t bfin_rotary_isr(int irq, void *dev_id) -{ - struct platform_device *pdev = dev_id; - struct bfin_rot *rotary = platform_get_drvdata(pdev); - int delta; - - switch (bfin_read_CNT_STATUS()) { - - case ICII: - break; - - case UCII: - case DCII: - delta = bfin_read_CNT_COUNTER(); - if (delta) - report_rotary_event(rotary, delta); - break; - - case CZMII: - report_key_event(rotary->input, rotary->button_key); - break; - - default: - break; - } - - bfin_write_CNT_COMMAND(W1LCNT_ZERO); /* Clear COUNTER */ - bfin_write_CNT_STATUS(-1); /* Clear STATUS */ - - return IRQ_HANDLED; -} - -static int __devinit bfin_rotary_probe(struct platform_device *pdev) -{ - struct bfin_rotary_platform_data *pdata = pdev->dev.platform_data; - struct bfin_rot *rotary; - struct input_dev *input; - int error; - - /* Basic validation */ - if ((pdata->rotary_up_key && !pdata->rotary_down_key) || - (!pdata->rotary_up_key && pdata->rotary_down_key)) { - return -EINVAL; - } - - error = peripheral_request_list(per_cnt, dev_name(&pdev->dev)); - if (error) { - dev_err(&pdev->dev, "requesting peripherals failed\n"); - return error; - } - - rotary = kzalloc(sizeof(struct bfin_rot), GFP_KERNEL); - input = input_allocate_device(); - if (!rotary || !input) { - error = -ENOMEM; - goto out1; - } - - rotary->input = input; - - rotary->up_key = pdata->rotary_up_key; - rotary->down_key = pdata->rotary_down_key; - rotary->button_key = pdata->rotary_button_key; - rotary->rel_code = pdata->rotary_rel_code; - - error = rotary->irq = platform_get_irq(pdev, 0); - if (error < 0) - goto out1; - - input->name = pdev->name; - input->phys = "bfin-rotary/input0"; - input->dev.parent = &pdev->dev; - - input_set_drvdata(input, rotary); - - input->id.bustype = BUS_HOST; - input->id.vendor = 0x0001; - input->id.product = 0x0001; - input->id.version = 0x0100; - - if (rotary->up_key) { - __set_bit(EV_KEY, input->evbit); - __set_bit(rotary->up_key, input->keybit); - __set_bit(rotary->down_key, input->keybit); - } else { - __set_bit(EV_REL, input->evbit); - __set_bit(rotary->rel_code, input->relbit); - } - - if (rotary->button_key) { - __set_bit(EV_KEY, input->evbit); - __set_bit(rotary->button_key, input->keybit); - } - - error = request_irq(rotary->irq, bfin_rotary_isr, - 0, dev_name(&pdev->dev), pdev); - if (error) { - dev_err(&pdev->dev, - "unable to claim irq %d; error %d\n", - rotary->irq, error); - goto out1; - } - - error = input_register_device(input); - if (error) { - dev_err(&pdev->dev, - "unable to register input device (%d)\n", error); - goto out2; - } - - if (pdata->rotary_button_key) - bfin_write_CNT_IMASK(CZMIE); - - if (pdata->mode & ROT_DEBE) - bfin_write_CNT_DEBOUNCE(pdata->debounce & DPRESCALE); - - if (pdata->mode) - bfin_write_CNT_CONFIG(bfin_read_CNT_CONFIG() | - (pdata->mode & ~CNTE)); - - bfin_write_CNT_IMASK(bfin_read_CNT_IMASK() | UCIE | DCIE); - bfin_write_CNT_CONFIG(bfin_read_CNT_CONFIG() | CNTE); - - platform_set_drvdata(pdev, rotary); - device_init_wakeup(&pdev->dev, 1); - - return 0; - -out2: - free_irq(rotary->irq, pdev); -out1: - input_free_device(input); - kfree(rotary); - peripheral_free_list(per_cnt); - - return error; -} - -static int __devexit bfin_rotary_remove(struct platform_device *pdev) -{ - struct bfin_rot *rotary = platform_get_drvdata(pdev); - - bfin_write_CNT_CONFIG(0); - bfin_write_CNT_IMASK(0); - - free_irq(rotary->irq, pdev); - input_unregister_device(rotary->input); - peripheral_free_list(per_cnt); - - kfree(rotary); - platform_set_drvdata(pdev, NULL); - - return 0; -} - -#ifdef CONFIG_PM -static int bfin_rotary_suspend(struct device *dev) -{ - struct platform_device *pdev = to_platform_device(dev); - struct bfin_rot *rotary = platform_get_drvdata(pdev); - - rotary->cnt_config = bfin_read_CNT_CONFIG(); - rotary->cnt_imask = bfin_read_CNT_IMASK(); - rotary->cnt_debounce = bfin_read_CNT_DEBOUNCE(); - - if (device_may_wakeup(&pdev->dev)) - enable_irq_wake(rotary->irq); - - return 0; -} - -static int bfin_rotary_resume(struct device *dev) -{ - struct platform_device *pdev = to_platform_device(dev); - struct bfin_rot *rotary = platform_get_drvdata(pdev); - - bfin_write_CNT_DEBOUNCE(rotary->cnt_debounce); - bfin_write_CNT_IMASK(rotary->cnt_imask); - bfin_write_CNT_CONFIG(rotary->cnt_config & ~CNTE); - - if (device_may_wakeup(&pdev->dev)) - disable_irq_wake(rotary->irq); - - if (rotary->cnt_config & CNTE) - bfin_write_CNT_CONFIG(rotary->cnt_config); - - return 0; -} - -static const struct dev_pm_ops bfin_rotary_pm_ops = { - .suspend = bfin_rotary_suspend, - .resume = bfin_rotary_resume, -}; -#endif - -static struct platform_driver bfin_rotary_device_driver = { - .probe = bfin_rotary_probe, - .remove = __devexit_p(bfin_rotary_remove), - .driver = { - .name = "bfin-rotary", - .owner = THIS_MODULE, -#ifdef CONFIG_PM - .pm = &bfin_rotary_pm_ops, -#endif - }, -}; -module_platform_driver(bfin_rotary_device_driver); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>"); -MODULE_DESCRIPTION("Rotary Counter driver for Blackfin Processors"); -MODULE_ALIAS("platform:bfin-rotary"); |