diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/input/touchscreen/dynapro.c')
| -rw-r--r-- | ANDROID_3.4.5/drivers/input/touchscreen/dynapro.c | 206 |
1 files changed, 0 insertions, 206 deletions
diff --git a/ANDROID_3.4.5/drivers/input/touchscreen/dynapro.c b/ANDROID_3.4.5/drivers/input/touchscreen/dynapro.c deleted file mode 100644 index 45535390..00000000 --- a/ANDROID_3.4.5/drivers/input/touchscreen/dynapro.c +++ /dev/null @@ -1,206 +0,0 @@ -/* - * Dynapro serial touchscreen driver - * - * Copyright (c) 2009 Tias Guns - * Based on the inexio driver (c) Vojtech Pavlik and Dan Streetman and - * Richard Lemon - * - */ - -/* - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - */ - -/* - * 2009/09/19 Tias Guns <tias@ulyssis.org> - * Copied inexio.c and edited for Dynapro protocol (from retired Xorg module) - */ - -#include <linux/errno.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/slab.h> -#include <linux/input.h> -#include <linux/serio.h> -#include <linux/init.h> - -#define DRIVER_DESC "Dynapro serial touchscreen driver" - -MODULE_AUTHOR("Tias Guns <tias@ulyssis.org>"); -MODULE_DESCRIPTION(DRIVER_DESC); -MODULE_LICENSE("GPL"); - -/* - * Definitions & global arrays. - */ - -#define DYNAPRO_FORMAT_TOUCH_BIT 0x40 -#define DYNAPRO_FORMAT_LENGTH 3 -#define DYNAPRO_RESPONSE_BEGIN_BYTE 0x80 - -#define DYNAPRO_MIN_XC 0 -#define DYNAPRO_MAX_XC 0x3ff -#define DYNAPRO_MIN_YC 0 -#define DYNAPRO_MAX_YC 0x3ff - -#define DYNAPRO_GET_XC(data) (data[1] | ((data[0] & 0x38) << 4)) -#define DYNAPRO_GET_YC(data) (data[2] | ((data[0] & 0x07) << 7)) -#define DYNAPRO_GET_TOUCHED(data) (DYNAPRO_FORMAT_TOUCH_BIT & data[0]) - -/* - * Per-touchscreen data. - */ - -struct dynapro { - struct input_dev *dev; - struct serio *serio; - int idx; - unsigned char data[DYNAPRO_FORMAT_LENGTH]; - char phys[32]; -}; - -static void dynapro_process_data(struct dynapro *pdynapro) -{ - struct input_dev *dev = pdynapro->dev; - - if (DYNAPRO_FORMAT_LENGTH == ++pdynapro->idx) { - input_report_abs(dev, ABS_X, DYNAPRO_GET_XC(pdynapro->data)); - input_report_abs(dev, ABS_Y, DYNAPRO_GET_YC(pdynapro->data)); - input_report_key(dev, BTN_TOUCH, - DYNAPRO_GET_TOUCHED(pdynapro->data)); - input_sync(dev); - - pdynapro->idx = 0; - } -} - -static irqreturn_t dynapro_interrupt(struct serio *serio, - unsigned char data, unsigned int flags) -{ - struct dynapro *pdynapro = serio_get_drvdata(serio); - - pdynapro->data[pdynapro->idx] = data; - - if (DYNAPRO_RESPONSE_BEGIN_BYTE & pdynapro->data[0]) - dynapro_process_data(pdynapro); - else - dev_dbg(&serio->dev, "unknown/unsynchronized data: %x\n", - pdynapro->data[0]); - - return IRQ_HANDLED; -} - -static void dynapro_disconnect(struct serio *serio) -{ - struct dynapro *pdynapro = serio_get_drvdata(serio); - - input_get_device(pdynapro->dev); - input_unregister_device(pdynapro->dev); - serio_close(serio); - serio_set_drvdata(serio, NULL); - input_put_device(pdynapro->dev); - kfree(pdynapro); -} - -/* - * dynapro_connect() is the routine that is called when someone adds a - * new serio device that supports dynapro protocol and registers it as - * an input device. This is usually accomplished using inputattach. - */ - -static int dynapro_connect(struct serio *serio, struct serio_driver *drv) -{ - struct dynapro *pdynapro; - struct input_dev *input_dev; - int err; - - pdynapro = kzalloc(sizeof(struct dynapro), GFP_KERNEL); - input_dev = input_allocate_device(); - if (!pdynapro || !input_dev) { - err = -ENOMEM; - goto fail1; - } - - pdynapro->serio = serio; - pdynapro->dev = input_dev; - snprintf(pdynapro->phys, sizeof(pdynapro->phys), - "%s/input0", serio->phys); - - input_dev->name = "Dynapro Serial TouchScreen"; - input_dev->phys = pdynapro->phys; - input_dev->id.bustype = BUS_RS232; - input_dev->id.vendor = SERIO_DYNAPRO; - input_dev->id.product = 0; - input_dev->id.version = 0x0001; - input_dev->dev.parent = &serio->dev; - input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); - input_dev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH); - input_set_abs_params(pdynapro->dev, ABS_X, - DYNAPRO_MIN_XC, DYNAPRO_MAX_XC, 0, 0); - input_set_abs_params(pdynapro->dev, ABS_Y, - DYNAPRO_MIN_YC, DYNAPRO_MAX_YC, 0, 0); - - serio_set_drvdata(serio, pdynapro); - - err = serio_open(serio, drv); - if (err) - goto fail2; - - err = input_register_device(pdynapro->dev); - if (err) - goto fail3; - - return 0; - - fail3: serio_close(serio); - fail2: serio_set_drvdata(serio, NULL); - fail1: input_free_device(input_dev); - kfree(pdynapro); - return err; -} - -/* - * The serio driver structure. - */ - -static struct serio_device_id dynapro_serio_ids[] = { - { - .type = SERIO_RS232, - .proto = SERIO_DYNAPRO, - .id = SERIO_ANY, - .extra = SERIO_ANY, - }, - { 0 } -}; - -MODULE_DEVICE_TABLE(serio, dynapro_serio_ids); - -static struct serio_driver dynapro_drv = { - .driver = { - .name = "dynapro", - }, - .description = DRIVER_DESC, - .id_table = dynapro_serio_ids, - .interrupt = dynapro_interrupt, - .connect = dynapro_connect, - .disconnect = dynapro_disconnect, -}; - -/* - * The functions for inserting/removing us as a module. - */ - -static int __init dynapro_init(void) -{ - return serio_register_driver(&dynapro_drv); -} - -static void __exit dynapro_exit(void) -{ - serio_unregister_driver(&dynapro_drv); -} - -module_init(dynapro_init); -module_exit(dynapro_exit); |