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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/drivers/input/misc/bfin_rotary.c
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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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.c272
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");