This touchscreen controller was used om Gateway AOL Connected Touchpad released in 2000 and, according to Wikipedia, removed from the market in October 2001 due to slow sales. It looks like it can still be bought on eBay for $1000 but I really doubt anyone will actually use it. Remove the driver. Signed-off-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx> --- drivers/input/touchscreen/Kconfig | 12 -- drivers/input/touchscreen/Makefile | 1 - drivers/input/touchscreen/mk712.c | 215 ----------------------------- 3 files changed, 228 deletions(-) delete mode 100644 drivers/input/touchscreen/mk712.c diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig index 1ac26fc2e3eb..4685660faaf6 100644 --- a/drivers/input/touchscreen/Kconfig +++ b/drivers/input/touchscreen/Kconfig @@ -687,18 +687,6 @@ config TOUCHSCREEN_INEXIO To compile this driver as a module, choose M here: the module will be called inexio. -config TOUCHSCREEN_MK712 - tristate "ICS MicroClock MK712 touchscreen" - depends on ISA - help - Say Y here if you have the ICS MicroClock MK712 touchscreen - controller chip in your system. - - If unsure, say N. - - To compile this driver as a module, choose M here: the - module will be called mk712. - config TOUCHSCREEN_HP600 tristate "HP Jornada 6xx touchscreen" depends on SH_HP6XX && SH_ADC diff --git a/drivers/input/touchscreen/Makefile b/drivers/input/touchscreen/Makefile index 82bc837ca01e..23d19ba7dc6e 100644 --- a/drivers/input/touchscreen/Makefile +++ b/drivers/input/touchscreen/Makefile @@ -65,7 +65,6 @@ obj-$(CONFIG_TOUCHSCREEN_MIGOR) += migor_ts.o obj-$(CONFIG_TOUCHSCREEN_MMS114) += mms114.o obj-$(CONFIG_TOUCHSCREEN_MSG2638) += msg2638.o obj-$(CONFIG_TOUCHSCREEN_MTOUCH) += mtouch.o -obj-$(CONFIG_TOUCHSCREEN_MK712) += mk712.o obj-$(CONFIG_TOUCHSCREEN_NOVATEK_NVT_TS) += novatek-nvt-ts.o obj-$(CONFIG_TOUCHSCREEN_HP600) += hp680_ts_input.o obj-$(CONFIG_TOUCHSCREEN_HP7XX) += jornada720_ts.o diff --git a/drivers/input/touchscreen/mk712.c b/drivers/input/touchscreen/mk712.c deleted file mode 100644 index 753d9cc1de1f..000000000000 --- a/drivers/input/touchscreen/mk712.c +++ /dev/null @@ -1,215 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * ICS MK712 touchscreen controller driver - * - * Copyright (c) 1999-2002 Transmeta Corporation - * Copyright (c) 2005 Rick Koch <n1gp@xxxxxxxxxxx> - * Copyright (c) 2005 Vojtech Pavlik <vojtech@xxxxxxx> - */ - - -/* - * This driver supports the ICS MicroClock MK712 TouchScreen controller, - * found in Gateway AOL Connected Touchpad computers. - * - * Documentation for ICS MK712 can be found at: - * https://www.idt.com/general-parts/mk712-touch-screen-controller - */ - -/* - * 1999-12-18: original version, Daniel Quinlan - * 1999-12-19: added anti-jitter code, report pen-up events, fixed mk712_poll - * to use queue_empty, Nathan Laredo - * 1999-12-20: improved random point rejection, Nathan Laredo - * 2000-01-05: checked in new anti-jitter code, changed mouse protocol, fixed - * queue code, added module options, other fixes, Daniel Quinlan - * 2002-03-15: Clean up for kernel merge <alan@xxxxxxxxxx> - * Fixed multi open race, fixed memory checks, fixed resource - * allocation, fixed close/powerdown bug, switched to new init - * 2005-01-18: Ported to 2.6 from 2.4.28, Rick Koch - * 2005-02-05: Rewritten for the input layer, Vojtech Pavlik - * - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/errno.h> -#include <linux/delay.h> -#include <linux/ioport.h> -#include <linux/interrupt.h> -#include <linux/input.h> -#include <asm/io.h> - -MODULE_AUTHOR("Daniel Quinlan <quinlan@xxxxxxxxxxxx>, Vojtech Pavlik <vojtech@xxxxxxx>"); -MODULE_DESCRIPTION("ICS MicroClock MK712 TouchScreen driver"); -MODULE_LICENSE("GPL"); - -static unsigned int mk712_io = 0x260; /* Also 0x200, 0x208, 0x300 */ -module_param_hw_named(io, mk712_io, uint, ioport, 0); -MODULE_PARM_DESC(io, "I/O base address of MK712 touchscreen controller"); - -static unsigned int mk712_irq = 10; /* Also 12, 14, 15 */ -module_param_hw_named(irq, mk712_irq, uint, irq, 0); -MODULE_PARM_DESC(irq, "IRQ of MK712 touchscreen controller"); - -/* eight 8-bit registers */ -#define MK712_STATUS 0 -#define MK712_X 2 -#define MK712_Y 4 -#define MK712_CONTROL 6 -#define MK712_RATE 7 - -/* status */ -#define MK712_STATUS_TOUCH 0x10 -#define MK712_CONVERSION_COMPLETE 0x80 - -/* control */ -#define MK712_ENABLE_INT 0x01 -#define MK712_INT_ON_CONVERSION_COMPLETE 0x02 -#define MK712_INT_ON_CHANGE_IN_TOUCH_STATUS 0x04 -#define MK712_ENABLE_PERIODIC_CONVERSIONS 0x10 -#define MK712_READ_ONE_POINT 0x20 -#define MK712_POWERUP 0x40 - -static struct input_dev *mk712_dev; -static DEFINE_SPINLOCK(mk712_lock); - -static irqreturn_t mk712_interrupt(int irq, void *dev_id) -{ - unsigned char status; - static int debounce = 1; - static unsigned short last_x; - static unsigned short last_y; - - spin_lock(&mk712_lock); - - status = inb(mk712_io + MK712_STATUS); - - if (~status & MK712_CONVERSION_COMPLETE) { - debounce = 1; - goto end; - } - - if (~status & MK712_STATUS_TOUCH) { - debounce = 1; - input_report_key(mk712_dev, BTN_TOUCH, 0); - goto end; - } - - if (debounce) { - debounce = 0; - goto end; - } - - input_report_key(mk712_dev, BTN_TOUCH, 1); - input_report_abs(mk712_dev, ABS_X, last_x); - input_report_abs(mk712_dev, ABS_Y, last_y); - - end: - last_x = inw(mk712_io + MK712_X) & 0x0fff; - last_y = inw(mk712_io + MK712_Y) & 0x0fff; - input_sync(mk712_dev); - spin_unlock(&mk712_lock); - return IRQ_HANDLED; -} - -static int mk712_open(struct input_dev *dev) -{ - unsigned long flags; - - spin_lock_irqsave(&mk712_lock, flags); - - outb(0, mk712_io + MK712_CONTROL); /* Reset */ - - outb(MK712_ENABLE_INT | MK712_INT_ON_CONVERSION_COMPLETE | - MK712_INT_ON_CHANGE_IN_TOUCH_STATUS | - MK712_ENABLE_PERIODIC_CONVERSIONS | - MK712_POWERUP, mk712_io + MK712_CONTROL); - - outb(10, mk712_io + MK712_RATE); /* 187 points per second */ - - spin_unlock_irqrestore(&mk712_lock, flags); - - return 0; -} - -static void mk712_close(struct input_dev *dev) -{ - unsigned long flags; - - spin_lock_irqsave(&mk712_lock, flags); - - outb(0, mk712_io + MK712_CONTROL); - - spin_unlock_irqrestore(&mk712_lock, flags); -} - -static int __init mk712_init(void) -{ - int err; - - if (!request_region(mk712_io, 8, "mk712")) { - printk(KERN_WARNING "mk712: unable to get IO region\n"); - return -ENODEV; - } - - outb(0, mk712_io + MK712_CONTROL); - - if ((inw(mk712_io + MK712_X) & 0xf000) || /* Sanity check */ - (inw(mk712_io + MK712_Y) & 0xf000) || - (inw(mk712_io + MK712_STATUS) & 0xf333)) { - printk(KERN_WARNING "mk712: device not present\n"); - err = -ENODEV; - goto fail1; - } - - mk712_dev = input_allocate_device(); - if (!mk712_dev) { - printk(KERN_ERR "mk712: not enough memory\n"); - err = -ENOMEM; - goto fail1; - } - - mk712_dev->name = "ICS MicroClock MK712 TouchScreen"; - mk712_dev->phys = "isa0260/input0"; - mk712_dev->id.bustype = BUS_ISA; - mk712_dev->id.vendor = 0x0005; - mk712_dev->id.product = 0x0001; - mk712_dev->id.version = 0x0100; - - mk712_dev->open = mk712_open; - mk712_dev->close = mk712_close; - - mk712_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); - mk712_dev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH); - input_set_abs_params(mk712_dev, ABS_X, 0, 0xfff, 88, 0); - input_set_abs_params(mk712_dev, ABS_Y, 0, 0xfff, 88, 0); - - if (request_irq(mk712_irq, mk712_interrupt, 0, "mk712", mk712_dev)) { - printk(KERN_WARNING "mk712: unable to get IRQ\n"); - err = -EBUSY; - goto fail1; - } - - err = input_register_device(mk712_dev); - if (err) - goto fail2; - - return 0; - - fail2: free_irq(mk712_irq, mk712_dev); - fail1: input_free_device(mk712_dev); - release_region(mk712_io, 8); - return err; -} - -static void __exit mk712_exit(void) -{ - input_unregister_device(mk712_dev); - free_irq(mk712_irq, mk712_dev); - release_region(mk712_io, 8); -} - -module_init(mk712_init); -module_exit(mk712_exit); -- 2.46.0.76.ge559c4bf1a-goog
