Messages in this thread Patch in this message | | | Date | Sat, 22 Mar 2003 23:57:40 GMT | From | Alan Cox <> | Subject | PATCH: merge PC9800 mouse driver |
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diff -u --new-file --recursive --exclude-from /usr/src/exclude linux-2.5.65-bk3/drivers/input/mouse/98busmouse.c linux-2.5.65-ac3/drivers/input/mouse/98busmouse.c --- linux-2.5.65-bk3/drivers/input/mouse/98busmouse.c 1970-01-01 01:00:00.000000000 +0100 +++ linux-2.5.65-ac3/drivers/input/mouse/98busmouse.c 2003-02-20 16:30:36.000000000 +0000 @@ -0,0 +1,202 @@ +/* + * + * Copyright (c) 2002 Osamu Tomita + * + * Based on the work of: + * James Banks Matthew Dillon + * David Giller Nathan Laredo + * Linus Torvalds Johan Myreen + * Cliff Matthews Philip Blundell + * Russell King Vojtech Pavlik + */ + +/* + * NEC PC-9801 Bus 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 + * + */ + +#include <linux/config.h> +#include <linux/module.h> +#include <linux/delay.h> +#include <linux/ioport.h> +#include <linux/init.h> +#include <linux/input.h> +#include <linux/interrupt.h> + +#include <asm/io.h> +#include <asm/irq.h> + +MODULE_AUTHOR("Osamu Tomita <tomita@cinet.co.jp>"); +MODULE_DESCRIPTION("PC-9801 busmouse driver"); +MODULE_LICENSE("GPL"); + +#define PC98BM_BASE 0x7fd9 +#define PC98BM_DATA_PORT PC98BM_BASE + 0 +/* PC98BM_SIGNATURE_PORT does not exist */ +#define PC98BM_CONTROL_PORT PC98BM_BASE + 4 +/* PC98BM_INTERRUPT_PORT does not exist */ +#define PC98BM_CONFIG_PORT PC98BM_BASE + 6 + +#define PC98BM_ENABLE_IRQ 0x00 +#define PC98BM_DISABLE_IRQ 0x10 +#define PC98BM_READ_X_LOW 0x80 +#define PC98BM_READ_X_HIGH 0xa0 +#define PC98BM_READ_Y_LOW 0xc0 +#define PC98BM_READ_Y_HIGH 0xe0 + +#define PC98BM_DEFAULT_MODE 0x93 +/* PC98BM_CONFIG_BYTE is not used */ +/* PC98BM_SIGNATURE_BYTE is not used */ + +#define PC98BM_TIMER_PORT 0xbfdb +#define PC98BM_DEFAULT_TIMER_VAL 0x00 + +#define PC98BM_IRQ 13 + +MODULE_PARM(pc98bm_irq, "i"); + +static int pc98bm_irq = PC98BM_IRQ; +static int pc98bm_used = 0; + +static void pc98bm_interrupt(int irq, void *dev_id, struct pt_regs *regs); + +static int pc98bm_open(struct input_dev *dev) +{ + if (pc98bm_used++) + return 0; + if (request_irq(pc98bm_irq, pc98bm_interrupt, 0, "98busmouse", NULL)) { + pc98bm_used--; + printk(KERN_ERR "98busmouse.c: Can't allocate irq %d\n", pc98bm_irq); + return -EBUSY; + } + outb(PC98BM_ENABLE_IRQ, PC98BM_CONTROL_PORT); + return 0; +} + +static void pc98bm_close(struct input_dev *dev) +{ + if (--pc98bm_used) + return; + outb(PC98BM_DISABLE_IRQ, PC98BM_CONTROL_PORT); + free_irq(pc98bm_irq, NULL); +} + +static struct input_dev pc98bm_dev = { + .evbit = { BIT(EV_KEY) | BIT(EV_REL) }, + .keybit = { [LONG(BTN_LEFT)] = BIT(BTN_LEFT) | BIT(BTN_MIDDLE) | BIT(BTN_RIGHT) }, + .relbit = { BIT(REL_X) | BIT(REL_Y) }, + .open = pc98bm_open, + .close = pc98bm_close, + .name = "PC-9801 bus mouse", + .phys = "isa7fd9/input0", + .id = { + .bustype = BUS_ISA, + .vendor = 0x0004, + .product = 0x0001, + .version = 0x0100, + }, +}; + +static void pc98bm_interrupt(int irq, void *dev_id, struct pt_regs *regs) +{ + char dx, dy; + unsigned char buttons; + + outb(PC98BM_READ_X_LOW, PC98BM_CONTROL_PORT); + dx = (inb(PC98BM_DATA_PORT) & 0xf); + outb(PC98BM_READ_X_HIGH, PC98BM_CONTROL_PORT); + dx |= (inb(PC98BM_DATA_PORT) & 0xf) << 4; + outb(PC98BM_READ_Y_LOW, PC98BM_CONTROL_PORT); + dy = (inb(PC98BM_DATA_PORT) & 0xf); + outb(PC98BM_READ_Y_HIGH, PC98BM_CONTROL_PORT); + buttons = inb(PC98BM_DATA_PORT); + dy |= (buttons & 0xf) << 4; + buttons = ~buttons >> 5; + + input_report_rel(&pc98bm_dev, REL_X, dx); + input_report_rel(&pc98bm_dev, REL_Y, dy); + input_report_key(&pc98bm_dev, BTN_RIGHT, buttons & 1); + input_report_key(&pc98bm_dev, BTN_MIDDLE, buttons & 2); + input_report_key(&pc98bm_dev, BTN_LEFT, buttons & 4); + input_sync(&pc98bm_dev); + + outb(PC98BM_ENABLE_IRQ, PC98BM_CONTROL_PORT); +} + +#ifndef MODULE +static int __init pc98bm_setup(char *str) +{ + int ints[4]; + str = get_options(str, ARRAY_SIZE(ints), ints); + if (ints[0] > 0) pc98bm_irq = ints[1]; + return 1; +} +__setup("pc98bm_irq=", pc98bm_setup); +#endif + +static int __init pc98bm_init(void) +{ + int i; + + for (i = 0; i <= 6; i += 2) { + if (!request_region(PC98BM_BASE + i, 1, "98busmouse")) { + printk(KERN_ERR "98busmouse.c: Can't allocate ports at %#x\n", PC98BM_BASE + i); + while (i > 0) { + i -= 2; + release_region(PC98BM_BASE + i, 1); + } + + return -EBUSY; + } + + } + + if (!request_region(PC98BM_TIMER_PORT, 1, "98busmouse")) { + printk(KERN_ERR "98busmouse.c: Can't allocate ports at %#x\n", PC98BM_TIMER_PORT); + for (i = 0; i <= 6; i += 2) + release_region(PC98BM_BASE + i, 1); + + return -EBUSY; + } + + outb(PC98BM_DEFAULT_MODE, PC98BM_CONFIG_PORT); + outb(PC98BM_DISABLE_IRQ, PC98BM_CONTROL_PORT); + + outb(PC98BM_DEFAULT_TIMER_VAL, PC98BM_TIMER_PORT); + + input_register_device(&pc98bm_dev); + + printk(KERN_INFO "input: PC-9801 bus mouse at %#x irq %d\n", PC98BM_BASE, pc98bm_irq); + + return 0; +} + +static void __exit pc98bm_exit(void) +{ + int i; + + input_unregister_device(&pc98bm_dev); + for (i = 0; i <= 6; i += 2) + release_region(PC98BM_BASE + i, 1); + + release_region(PC98BM_TIMER_PORT, 1); +} + +module_init(pc98bm_init); +module_exit(pc98bm_exit); diff -u --new-file --recursive --exclude-from /usr/src/exclude linux-2.5.65-bk3/drivers/input/mouse/Kconfig linux-2.5.65-ac3/drivers/input/mouse/Kconfig --- linux-2.5.65-bk3/drivers/input/mouse/Kconfig 2003-03-22 19:33:54.000000000 +0000 +++ linux-2.5.65-ac3/drivers/input/mouse/Kconfig 2003-02-20 16:30:36.000000000 +0000 @@ -121,3 +121,15 @@ The module will be called rpcmouse. If you want to compile it as a module, say M here and read <file.:Documentation/modules.txt>. +config MOUSE_PC9800 + tristate "NEC PC-9800 busmouse" + depends on X86_PC9800 && INPUT && INPUT_MOUSE && ISA + help + Say Y here if you have NEC PC-9801/PC-9821 computer and want its + native mouse supported. + + This driver is also available as a module ( = code which can be + inserted in and removed from the running kernel whenever you want). + The module will be called logibm.o. If you want to compile it as a + module, say M here and read <file.:Documentation/modules.txt>. + diff -u --new-file --recursive --exclude-from /usr/src/exclude linux-2.5.65-bk3/drivers/input/mouse/Makefile linux-2.5.65-ac3/drivers/input/mouse/Makefile --- linux-2.5.65-bk3/drivers/input/mouse/Makefile 2003-03-22 19:33:54.000000000 +0000 +++ linux-2.5.65-ac3/drivers/input/mouse/Makefile 2003-02-14 23:19:40.000000000 +0000 @@ -10,5 +10,6 @@ obj-$(CONFIG_MOUSE_LOGIBM) += logibm.o obj-$(CONFIG_MOUSE_MAPLE) += maplemouse.o obj-$(CONFIG_MOUSE_PC110PAD) += pc110pad.o +obj-$(CONFIG_MOUSE_PC9800) += 98busmouse.o obj-$(CONFIG_MOUSE_PS2) += psmouse.o obj-$(CONFIG_MOUSE_SERIAL) += sermouse.o - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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