diff options
Diffstat (limited to 'drivers/input/touchscreen/gunze.c')
| -rw-r--r-- | drivers/input/touchscreen/gunze.c | 100 |
1 files changed, 42 insertions, 58 deletions
diff --git a/drivers/input/touchscreen/gunze.c b/drivers/input/touchscreen/gunze.c index 53a27e43dd2..e2ee6261527 100644 --- a/drivers/input/touchscreen/gunze.c +++ b/drivers/input/touchscreen/gunze.c @@ -1,6 +1,4 @@ /* - * $Id: gunze.c,v 1.12 2001/09/25 10:12:07 vojtech Exp $ - * * Copyright (c) 2000-2001 Vojtech Pavlik */ @@ -34,7 +32,6 @@ #include <linux/slab.h> #include <linux/input.h> #include <linux/serio.h> -#include <linux/init.h> #define DRIVER_DESC "Gunze AHL-51S touchscreen driver" @@ -48,23 +45,21 @@ MODULE_LICENSE("GPL"); #define GUNZE_MAX_LENGTH 10 -static char *gunze_name = "Gunze AHL-51S TouchScreen"; - /* * Per-touchscreen data. */ struct gunze { - struct input_dev dev; + struct input_dev *dev; struct serio *serio; int idx; unsigned char data[GUNZE_MAX_LENGTH]; char phys[32]; }; -static void gunze_process_packet(struct gunze* gunze, struct pt_regs *regs) +static void gunze_process_packet(struct gunze* gunze) { - struct input_dev *dev = &gunze->dev; + struct input_dev *dev = gunze->dev; if (gunze->idx != GUNZE_MAX_LENGTH || gunze->data[5] != ',' || (gunze->data[0] != 'T' && gunze->data[0] != 'R')) { @@ -72,7 +67,6 @@ static void gunze_process_packet(struct gunze* gunze, struct pt_regs *regs) return; } - input_regs(dev, regs); input_report_abs(dev, ABS_X, simple_strtoul(gunze->data + 1, NULL, 10)); input_report_abs(dev, ABS_Y, 1024 - simple_strtoul(gunze->data + 6, NULL, 10)); input_report_key(dev, BTN_TOUCH, gunze->data[0] == 'T'); @@ -80,12 +74,12 @@ static void gunze_process_packet(struct gunze* gunze, struct pt_regs *regs) } static irqreturn_t gunze_interrupt(struct serio *serio, - unsigned char data, unsigned int flags, struct pt_regs *regs) + unsigned char data, unsigned int flags) { struct gunze* gunze = serio_get_drvdata(serio); if (data == '\r') { - gunze_process_packet(gunze, regs); + gunze_process_packet(gunze); gunze->idx = 0; } else { if (gunze->idx < GUNZE_MAX_LENGTH) @@ -100,11 +94,13 @@ static irqreturn_t gunze_interrupt(struct serio *serio, static void gunze_disconnect(struct serio *serio) { - struct gunze* gunze = serio_get_drvdata(serio); + struct gunze *gunze = serio_get_drvdata(serio); - input_unregister_device(&gunze->dev); + input_get_device(gunze->dev); + input_unregister_device(gunze->dev); serio_close(serio); serio_set_drvdata(serio, NULL); + input_put_device(gunze->dev); kfree(gunze); } @@ -117,45 +113,49 @@ static void gunze_disconnect(struct serio *serio) static int gunze_connect(struct serio *serio, struct serio_driver *drv) { struct gunze *gunze; + struct input_dev *input_dev; int err; - if (!(gunze = kmalloc(sizeof(struct gunze), GFP_KERNEL))) - return -ENOMEM; - - memset(gunze, 0, sizeof(struct gunze)); - - init_input_dev(&gunze->dev); - gunze->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_ABS); - gunze->dev.keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH); - input_set_abs_params(&gunze->dev, ABS_X, 24, 1000, 0, 0); - input_set_abs_params(&gunze->dev, ABS_Y, 24, 1000, 0, 0); + gunze = kzalloc(sizeof(struct gunze), GFP_KERNEL); + input_dev = input_allocate_device(); + if (!gunze || !input_dev) { + err = -ENOMEM; + goto fail1; + } gunze->serio = serio; - - sprintf(gunze->phys, "%s/input0", serio->phys); - - gunze->dev.private = gunze; - gunze->dev.name = gunze_name; - gunze->dev.phys = gunze->phys; - gunze->dev.id.bustype = BUS_RS232; - gunze->dev.id.vendor = SERIO_GUNZE; - gunze->dev.id.product = 0x0051; - gunze->dev.id.version = 0x0100; + gunze->dev = input_dev; + snprintf(gunze->phys, sizeof(serio->phys), "%s/input0", serio->phys); + + input_dev->name = "Gunze AHL-51S TouchScreen"; + input_dev->phys = gunze->phys; + input_dev->id.bustype = BUS_RS232; + input_dev->id.vendor = SERIO_GUNZE; + input_dev->id.product = 0x0051; + input_dev->id.version = 0x0100; + 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(input_dev, ABS_X, 24, 1000, 0, 0); + input_set_abs_params(input_dev, ABS_Y, 24, 1000, 0, 0); serio_set_drvdata(serio, gunze); err = serio_open(serio, drv); - if (err) { - serio_set_drvdata(serio, NULL); - kfree(gunze); - return err; - } + if (err) + goto fail2; - input_register_device(&gunze->dev); - - printk(KERN_INFO "input: %s on %s\n", gunze_name, serio->phys); + err = input_register_device(gunze->dev); + if (err) + goto fail3; return 0; + + fail3: serio_close(serio); + fail2: serio_set_drvdata(serio, NULL); + fail1: input_free_device(input_dev); + kfree(gunze); + return err; } /* @@ -185,20 +185,4 @@ static struct serio_driver gunze_drv = { .disconnect = gunze_disconnect, }; -/* - * The functions for inserting/removing us as a module. - */ - -static int __init gunze_init(void) -{ - serio_register_driver(&gunze_drv); - return 0; -} - -static void __exit gunze_exit(void) -{ - serio_unregister_driver(&gunze_drv); -} - -module_init(gunze_init); -module_exit(gunze_exit); +module_serio_driver(gunze_drv); |
