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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/mouse/sermouse.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/mouse/sermouse.c')
-rw-r--r-- | ANDROID_3.4.5/drivers/input/mouse/sermouse.c | 369 |
1 files changed, 0 insertions, 369 deletions
diff --git a/ANDROID_3.4.5/drivers/input/mouse/sermouse.c b/ANDROID_3.4.5/drivers/input/mouse/sermouse.c deleted file mode 100644 index 17ff137b..00000000 --- a/ANDROID_3.4.5/drivers/input/mouse/sermouse.c +++ /dev/null @@ -1,369 +0,0 @@ -/* - * Copyright (c) 1999-2001 Vojtech Pavlik - */ - -/* - * Serial mouse driver for Linux - */ - -/* - * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * Should you need to contact me, the author, you can do so either by - * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: - * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic - */ - -#include <linux/delay.h> -#include <linux/module.h> -#include <linux/slab.h> -#include <linux/interrupt.h> -#include <linux/input.h> -#include <linux/serio.h> -#include <linux/init.h> - -#define DRIVER_DESC "Serial mouse driver" - -MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>"); -MODULE_DESCRIPTION(DRIVER_DESC); -MODULE_LICENSE("GPL"); - -static const char *sermouse_protocols[] = { "None", "Mouse Systems Mouse", "Sun Mouse", "Microsoft Mouse", - "Logitech M+ Mouse", "Microsoft MZ Mouse", "Logitech MZ+ Mouse", - "Logitech MZ++ Mouse"}; - -struct sermouse { - struct input_dev *dev; - signed char buf[8]; - unsigned char count; - unsigned char type; - unsigned long last; - char phys[32]; -}; - -/* - * sermouse_process_msc() analyzes the incoming MSC/Sun bytestream and - * applies some prediction to the data, resulting in 96 updates per - * second, which is as good as a PS/2 or USB mouse. - */ - -static void sermouse_process_msc(struct sermouse *sermouse, signed char data) -{ - struct input_dev *dev = sermouse->dev; - signed char *buf = sermouse->buf; - - switch (sermouse->count) { - - case 0: - if ((data & 0xf8) != 0x80) - return; - input_report_key(dev, BTN_LEFT, !(data & 4)); - input_report_key(dev, BTN_RIGHT, !(data & 1)); - input_report_key(dev, BTN_MIDDLE, !(data & 2)); - break; - - case 1: - case 3: - input_report_rel(dev, REL_X, data / 2); - input_report_rel(dev, REL_Y, -buf[1]); - buf[0] = data - data / 2; - break; - - case 2: - case 4: - input_report_rel(dev, REL_X, buf[0]); - input_report_rel(dev, REL_Y, buf[1] - data); - buf[1] = data / 2; - break; - } - - input_sync(dev); - - if (++sermouse->count == 5) - sermouse->count = 0; -} - -/* - * sermouse_process_ms() anlyzes the incoming MS(Z/+/++) bytestream and - * generates events. With prediction it gets 80 updates/sec, assuming - * standard 3-byte packets and 1200 bps. - */ - -static void sermouse_process_ms(struct sermouse *sermouse, signed char data) -{ - struct input_dev *dev = sermouse->dev; - signed char *buf = sermouse->buf; - - if (data & 0x40) - sermouse->count = 0; - else if (sermouse->count == 0) - return; - - switch (sermouse->count) { - - case 0: - buf[1] = data; - input_report_key(dev, BTN_LEFT, (data >> 5) & 1); - input_report_key(dev, BTN_RIGHT, (data >> 4) & 1); - break; - - case 1: - buf[2] = data; - data = (signed char) (((buf[1] << 6) & 0xc0) | (data & 0x3f)); - input_report_rel(dev, REL_X, data / 2); - input_report_rel(dev, REL_Y, buf[4]); - buf[3] = data - data / 2; - break; - - case 2: - /* Guessing the state of the middle button on 3-button MS-protocol mice - ugly. */ - if ((sermouse->type == SERIO_MS) && !data && !buf[2] && !((buf[0] & 0xf0) ^ buf[1])) - input_report_key(dev, BTN_MIDDLE, !test_bit(BTN_MIDDLE, dev->key)); - buf[0] = buf[1]; - - data = (signed char) (((buf[1] << 4) & 0xc0) | (data & 0x3f)); - input_report_rel(dev, REL_X, buf[3]); - input_report_rel(dev, REL_Y, data - buf[4]); - buf[4] = data / 2; - break; - - case 3: - - switch (sermouse->type) { - - case SERIO_MS: - sermouse->type = SERIO_MP; - - case SERIO_MP: - if ((data >> 2) & 3) break; /* M++ Wireless Extension packet. */ - input_report_key(dev, BTN_MIDDLE, (data >> 5) & 1); - input_report_key(dev, BTN_SIDE, (data >> 4) & 1); - break; - - case SERIO_MZP: - case SERIO_MZPP: - input_report_key(dev, BTN_SIDE, (data >> 5) & 1); - - case SERIO_MZ: - input_report_key(dev, BTN_MIDDLE, (data >> 4) & 1); - input_report_rel(dev, REL_WHEEL, (data & 8) - (data & 7)); - break; - } - - break; - - case 4: - case 6: /* MZ++ packet type. We can get these bytes for M++ too but we ignore them later. */ - buf[1] = (data >> 2) & 0x0f; - break; - - case 5: - case 7: /* Ignore anything besides MZ++ */ - if (sermouse->type != SERIO_MZPP) - break; - - switch (buf[1]) { - - case 1: /* Extra mouse info */ - - input_report_key(dev, BTN_SIDE, (data >> 4) & 1); - input_report_key(dev, BTN_EXTRA, (data >> 5) & 1); - input_report_rel(dev, data & 0x80 ? REL_HWHEEL : REL_WHEEL, (data & 7) - (data & 8)); - - break; - - default: /* We don't decode anything else yet. */ - - printk(KERN_WARNING - "sermouse.c: Received MZ++ packet %x, don't know how to handle.\n", buf[1]); - break; - } - - break; - } - - input_sync(dev); - - sermouse->count++; -} - -/* - * sermouse_interrupt() handles incoming characters, either gathering them into - * packets or passing them to the command routine as command output. - */ - -static irqreturn_t sermouse_interrupt(struct serio *serio, - unsigned char data, unsigned int flags) -{ - struct sermouse *sermouse = serio_get_drvdata(serio); - - if (time_after(jiffies, sermouse->last + HZ/10)) - sermouse->count = 0; - - sermouse->last = jiffies; - - if (sermouse->type > SERIO_SUN) - sermouse_process_ms(sermouse, data); - else - sermouse_process_msc(sermouse, data); - - return IRQ_HANDLED; -} - -/* - * sermouse_disconnect() cleans up after we don't want talk - * to the mouse anymore. - */ - -static void sermouse_disconnect(struct serio *serio) -{ - struct sermouse *sermouse = serio_get_drvdata(serio); - - serio_close(serio); - serio_set_drvdata(serio, NULL); - input_unregister_device(sermouse->dev); - kfree(sermouse); -} - -/* - * sermouse_connect() is a callback form the serio module when - * an unhandled serio port is found. - */ - -static int sermouse_connect(struct serio *serio, struct serio_driver *drv) -{ - struct sermouse *sermouse; - struct input_dev *input_dev; - unsigned char c = serio->id.extra; - int err = -ENOMEM; - - sermouse = kzalloc(sizeof(struct sermouse), GFP_KERNEL); - input_dev = input_allocate_device(); - if (!sermouse || !input_dev) - goto fail1; - - sermouse->dev = input_dev; - snprintf(sermouse->phys, sizeof(sermouse->phys), "%s/input0", serio->phys); - sermouse->type = serio->id.proto; - - input_dev->name = sermouse_protocols[sermouse->type]; - input_dev->phys = sermouse->phys; - input_dev->id.bustype = BUS_RS232; - input_dev->id.vendor = sermouse->type; - input_dev->id.product = c; - input_dev->id.version = 0x0100; - input_dev->dev.parent = &serio->dev; - - input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL); - input_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_LEFT) | - BIT_MASK(BTN_RIGHT); - input_dev->relbit[0] = BIT_MASK(REL_X) | BIT_MASK(REL_Y); - - if (c & 0x01) set_bit(BTN_MIDDLE, input_dev->keybit); - if (c & 0x02) set_bit(BTN_SIDE, input_dev->keybit); - if (c & 0x04) set_bit(BTN_EXTRA, input_dev->keybit); - if (c & 0x10) set_bit(REL_WHEEL, input_dev->relbit); - if (c & 0x20) set_bit(REL_HWHEEL, input_dev->relbit); - - serio_set_drvdata(serio, sermouse); - - err = serio_open(serio, drv); - if (err) - goto fail2; - - err = input_register_device(sermouse->dev); - if (err) - goto fail3; - - return 0; - - fail3: serio_close(serio); - fail2: serio_set_drvdata(serio, NULL); - fail1: input_free_device(input_dev); - kfree(sermouse); - return err; -} - -static struct serio_device_id sermouse_serio_ids[] = { - { - .type = SERIO_RS232, - .proto = SERIO_MSC, - .id = SERIO_ANY, - .extra = SERIO_ANY, - }, - { - .type = SERIO_RS232, - .proto = SERIO_SUN, - .id = SERIO_ANY, - .extra = SERIO_ANY, - }, - { - .type = SERIO_RS232, - .proto = SERIO_MS, - .id = SERIO_ANY, - .extra = SERIO_ANY, - }, - { - .type = SERIO_RS232, - .proto = SERIO_MP, - .id = SERIO_ANY, - .extra = SERIO_ANY, - }, - { - .type = SERIO_RS232, - .proto = SERIO_MZ, - .id = SERIO_ANY, - .extra = SERIO_ANY, - }, - { - .type = SERIO_RS232, - .proto = SERIO_MZP, - .id = SERIO_ANY, - .extra = SERIO_ANY, - }, - { - .type = SERIO_RS232, - .proto = SERIO_MZPP, - .id = SERIO_ANY, - .extra = SERIO_ANY, - }, - { 0 } -}; - -MODULE_DEVICE_TABLE(serio, sermouse_serio_ids); - -static struct serio_driver sermouse_drv = { - .driver = { - .name = "sermouse", - }, - .description = DRIVER_DESC, - .id_table = sermouse_serio_ids, - .interrupt = sermouse_interrupt, - .connect = sermouse_connect, - .disconnect = sermouse_disconnect, -}; - -static int __init sermouse_init(void) -{ - return serio_register_driver(&sermouse_drv); -} - -static void __exit sermouse_exit(void) -{ - serio_unregister_driver(&sermouse_drv); -} - -module_init(sermouse_init); -module_exit(sermouse_exit); |