mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-05 01:54:09 +08:00
d0c082d106
Commit 0998d06310 (device-core: Ensure drvdata = NULL when no
driver is bound) removes the need to set driver data field to
NULL.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
265 lines
6.3 KiB
C
265 lines
6.3 KiB
C
/*
|
|
* Copyright (c) 2000-2001 Vojtech Pavlik
|
|
*
|
|
* Based on the work of:
|
|
* Hamish Macdonald
|
|
*/
|
|
|
|
/*
|
|
* Amiga keyboard driver for Linux/m68k
|
|
*/
|
|
|
|
/*
|
|
* 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/module.h>
|
|
#include <linux/init.h>
|
|
#include <linux/input.h>
|
|
#include <linux/delay.h>
|
|
#include <linux/interrupt.h>
|
|
#include <linux/keyboard.h>
|
|
#include <linux/platform_device.h>
|
|
|
|
#include <asm/amigaints.h>
|
|
#include <asm/amigahw.h>
|
|
#include <asm/irq.h>
|
|
|
|
MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
|
|
MODULE_DESCRIPTION("Amiga keyboard driver");
|
|
MODULE_LICENSE("GPL");
|
|
|
|
static unsigned char amikbd_keycode[0x78] __initdata = {
|
|
[0] = KEY_GRAVE,
|
|
[1] = KEY_1,
|
|
[2] = KEY_2,
|
|
[3] = KEY_3,
|
|
[4] = KEY_4,
|
|
[5] = KEY_5,
|
|
[6] = KEY_6,
|
|
[7] = KEY_7,
|
|
[8] = KEY_8,
|
|
[9] = KEY_9,
|
|
[10] = KEY_0,
|
|
[11] = KEY_MINUS,
|
|
[12] = KEY_EQUAL,
|
|
[13] = KEY_BACKSLASH,
|
|
[15] = KEY_KP0,
|
|
[16] = KEY_Q,
|
|
[17] = KEY_W,
|
|
[18] = KEY_E,
|
|
[19] = KEY_R,
|
|
[20] = KEY_T,
|
|
[21] = KEY_Y,
|
|
[22] = KEY_U,
|
|
[23] = KEY_I,
|
|
[24] = KEY_O,
|
|
[25] = KEY_P,
|
|
[26] = KEY_LEFTBRACE,
|
|
[27] = KEY_RIGHTBRACE,
|
|
[29] = KEY_KP1,
|
|
[30] = KEY_KP2,
|
|
[31] = KEY_KP3,
|
|
[32] = KEY_A,
|
|
[33] = KEY_S,
|
|
[34] = KEY_D,
|
|
[35] = KEY_F,
|
|
[36] = KEY_G,
|
|
[37] = KEY_H,
|
|
[38] = KEY_J,
|
|
[39] = KEY_K,
|
|
[40] = KEY_L,
|
|
[41] = KEY_SEMICOLON,
|
|
[42] = KEY_APOSTROPHE,
|
|
[43] = KEY_BACKSLASH,
|
|
[45] = KEY_KP4,
|
|
[46] = KEY_KP5,
|
|
[47] = KEY_KP6,
|
|
[48] = KEY_102ND,
|
|
[49] = KEY_Z,
|
|
[50] = KEY_X,
|
|
[51] = KEY_C,
|
|
[52] = KEY_V,
|
|
[53] = KEY_B,
|
|
[54] = KEY_N,
|
|
[55] = KEY_M,
|
|
[56] = KEY_COMMA,
|
|
[57] = KEY_DOT,
|
|
[58] = KEY_SLASH,
|
|
[60] = KEY_KPDOT,
|
|
[61] = KEY_KP7,
|
|
[62] = KEY_KP8,
|
|
[63] = KEY_KP9,
|
|
[64] = KEY_SPACE,
|
|
[65] = KEY_BACKSPACE,
|
|
[66] = KEY_TAB,
|
|
[67] = KEY_KPENTER,
|
|
[68] = KEY_ENTER,
|
|
[69] = KEY_ESC,
|
|
[70] = KEY_DELETE,
|
|
[74] = KEY_KPMINUS,
|
|
[76] = KEY_UP,
|
|
[77] = KEY_DOWN,
|
|
[78] = KEY_RIGHT,
|
|
[79] = KEY_LEFT,
|
|
[80] = KEY_F1,
|
|
[81] = KEY_F2,
|
|
[82] = KEY_F3,
|
|
[83] = KEY_F4,
|
|
[84] = KEY_F5,
|
|
[85] = KEY_F6,
|
|
[86] = KEY_F7,
|
|
[87] = KEY_F8,
|
|
[88] = KEY_F9,
|
|
[89] = KEY_F10,
|
|
[90] = KEY_KPLEFTPAREN,
|
|
[91] = KEY_KPRIGHTPAREN,
|
|
[92] = KEY_KPSLASH,
|
|
[93] = KEY_KPASTERISK,
|
|
[94] = KEY_KPPLUS,
|
|
[95] = KEY_HELP,
|
|
[96] = KEY_LEFTSHIFT,
|
|
[97] = KEY_RIGHTSHIFT,
|
|
[98] = KEY_CAPSLOCK,
|
|
[99] = KEY_LEFTCTRL,
|
|
[100] = KEY_LEFTALT,
|
|
[101] = KEY_RIGHTALT,
|
|
[102] = KEY_LEFTMETA,
|
|
[103] = KEY_RIGHTMETA
|
|
};
|
|
|
|
static const char *amikbd_messages[8] = {
|
|
[0] = KERN_ALERT "amikbd: Ctrl-Amiga-Amiga reset warning!!\n",
|
|
[1] = KERN_WARNING "amikbd: keyboard lost sync\n",
|
|
[2] = KERN_WARNING "amikbd: keyboard buffer overflow\n",
|
|
[3] = KERN_WARNING "amikbd: keyboard controller failure\n",
|
|
[4] = KERN_ERR "amikbd: keyboard selftest failure\n",
|
|
[5] = KERN_INFO "amikbd: initiate power-up key stream\n",
|
|
[6] = KERN_INFO "amikbd: terminate power-up key stream\n",
|
|
[7] = KERN_WARNING "amikbd: keyboard interrupt\n"
|
|
};
|
|
|
|
static irqreturn_t amikbd_interrupt(int irq, void *data)
|
|
{
|
|
struct input_dev *dev = data;
|
|
unsigned char scancode, down;
|
|
|
|
scancode = ~ciaa.sdr; /* get and invert scancode (keyboard is active low) */
|
|
ciaa.cra |= 0x40; /* switch SP pin to output for handshake */
|
|
udelay(85); /* wait until 85 us have expired */
|
|
ciaa.cra &= ~0x40; /* switch CIA serial port to input mode */
|
|
|
|
down = !(scancode & 1); /* lowest bit is release bit */
|
|
scancode >>= 1;
|
|
|
|
if (scancode < 0x78) { /* scancodes < 0x78 are keys */
|
|
if (scancode == 98) { /* CapsLock is a toggle switch key on Amiga */
|
|
input_report_key(dev, scancode, 1);
|
|
input_report_key(dev, scancode, 0);
|
|
} else {
|
|
input_report_key(dev, scancode, down);
|
|
}
|
|
|
|
input_sync(dev);
|
|
} else /* scancodes >= 0x78 are error codes */
|
|
printk(amikbd_messages[scancode - 0x78]);
|
|
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
static int __init amikbd_probe(struct platform_device *pdev)
|
|
{
|
|
struct input_dev *dev;
|
|
int i, j, err;
|
|
|
|
dev = input_allocate_device();
|
|
if (!dev) {
|
|
dev_err(&pdev->dev, "Not enough memory for input device\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
dev->name = pdev->name;
|
|
dev->phys = "amikbd/input0";
|
|
dev->id.bustype = BUS_AMIGA;
|
|
dev->id.vendor = 0x0001;
|
|
dev->id.product = 0x0001;
|
|
dev->id.version = 0x0100;
|
|
dev->dev.parent = &pdev->dev;
|
|
|
|
dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP);
|
|
|
|
for (i = 0; i < 0x78; i++)
|
|
set_bit(i, dev->keybit);
|
|
|
|
for (i = 0; i < MAX_NR_KEYMAPS; i++) {
|
|
static u_short temp_map[NR_KEYS] __initdata;
|
|
if (!key_maps[i])
|
|
continue;
|
|
memset(temp_map, 0, sizeof(temp_map));
|
|
for (j = 0; j < 0x78; j++) {
|
|
if (!amikbd_keycode[j])
|
|
continue;
|
|
temp_map[j] = key_maps[i][amikbd_keycode[j]];
|
|
}
|
|
for (j = 0; j < NR_KEYS; j++) {
|
|
if (!temp_map[j])
|
|
temp_map[j] = 0xf200;
|
|
}
|
|
memcpy(key_maps[i], temp_map, sizeof(temp_map));
|
|
}
|
|
ciaa.cra &= ~0x41; /* serial data in, turn off TA */
|
|
err = request_irq(IRQ_AMIGA_CIAA_SP, amikbd_interrupt, 0, "amikbd",
|
|
dev);
|
|
if (err)
|
|
goto fail2;
|
|
|
|
err = input_register_device(dev);
|
|
if (err)
|
|
goto fail3;
|
|
|
|
platform_set_drvdata(pdev, dev);
|
|
|
|
return 0;
|
|
|
|
fail3: free_irq(IRQ_AMIGA_CIAA_SP, dev);
|
|
fail2: input_free_device(dev);
|
|
return err;
|
|
}
|
|
|
|
static int __exit amikbd_remove(struct platform_device *pdev)
|
|
{
|
|
struct input_dev *dev = platform_get_drvdata(pdev);
|
|
|
|
free_irq(IRQ_AMIGA_CIAA_SP, dev);
|
|
input_unregister_device(dev);
|
|
return 0;
|
|
}
|
|
|
|
static struct platform_driver amikbd_driver = {
|
|
.remove = __exit_p(amikbd_remove),
|
|
.driver = {
|
|
.name = "amiga-keyboard",
|
|
.owner = THIS_MODULE,
|
|
},
|
|
};
|
|
|
|
module_platform_driver_probe(amikbd_driver, amikbd_probe);
|
|
|
|
MODULE_ALIAS("platform:amiga-keyboard");
|