Input: remove ec3104_keyb driver

Now that ec3104 board support has been removed nothing references
this driver so it can be safely removed as well.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

drivers/char/ec3104_keyb.c

@@ -1,457 +0,0 @@
-/*
- * linux/drivers/char/ec3104_keyb.c
- * 
- * Copyright (C) 2000 Philipp Rumpf <prumpf@tux.org>
- *
- * based on linux/drivers/char/pc_keyb.c, which had the following comments:
- *
- * Separation of the PC low-level part by Geert Uytterhoeven, May 1997
- * See keyboard.c for the whole history.
- *
- * Major cleanup by Martin Mares, May 1997
- *
- * Combined the keyboard and PS/2 mouse handling into one file,
- * because they share the same hardware.
- * Johan Myreen <jem@iki.fi> 1998-10-08.
- *
- * Code fixes to handle mouse ACKs properly.
- * C. Scott Ananian <cananian@alumni.princeton.edu> 1999-01-29.
- */
-/* EC3104 note:
- * This code was written without any documentation about the EC3104 chip.  While
- * I hope I got most of the basic functionality right, the register names I use
- * are most likely completely different from those in the chip documentation.
- *
- * If you have any further information about the EC3104, please tell me
- * (prumpf@tux.org).
- */
-
-
-#include <linux/spinlock.h>
-#include <linux/sched.h>
-#include <linux/interrupt.h>
-#include <linux/tty.h>
-#include <linux/mm.h>
-#include <linux/signal.h>
-#include <linux/init.h>
-#include <linux/kbd_ll.h>
-#include <linux/delay.h>
-#include <linux/random.h>
-#include <linux/poll.h>
-#include <linux/miscdevice.h>
-#include <linux/slab.h>
-#include <linux/kbd_kern.h>
-#include <linux/bitops.h>
-
-#include <asm/keyboard.h>
-#include <asm/uaccess.h>
-#include <asm/irq.h>
-#include <asm/system.h>
-#include <asm/ec3104.h>
-
-#include <asm/io.h>
-
-/* Some configuration switches are present in the include file... */
-
-#include <linux/pc_keyb.h>
-
-#define MSR_CTS 0x10
-#define MCR_RTS 0x02
-#define LSR_DR 0x01
-#define LSR_BOTH_EMPTY 0x60
-
-static struct e5_struct {
-	u8 packet[8];
-	int pos;
-	int length;
-
-	u8 cached_mcr;
-	u8 last_msr;
-} ec3104_keyb;
-	
-/* Simple translation table for the SysRq keys */
-
-
-#ifdef CONFIG_MAGIC_SYSRQ
-unsigned char ec3104_kbd_sysrq_xlate[128] =
-	"\000\0331234567890-=\177\t"			/* 0x00 - 0x0f */
-	"qwertyuiop[]\r\000as"				/* 0x10 - 0x1f */
-	"dfghjkl;'`\000\\zxcv"				/* 0x20 - 0x2f */
-	"bnm,./\000*\000 \000\201\202\203\204\205"	/* 0x30 - 0x3f */
-	"\206\207\210\211\212\000\000789-456+1"		/* 0x40 - 0x4f */
-	"230\177\000\000\213\214\000\000\000\000\000\000\000\000\000\000" /* 0x50 - 0x5f */
-	"\r\000/";					/* 0x60 - 0x6f */
-#endif
-
-static void kbd_write_command_w(int data);
-static void kbd_write_output_w(int data);
-#ifdef CONFIG_PSMOUSE
-static void aux_write_ack(int val);
-static void __aux_write_ack(int val);
-#endif
-
-static DEFINE_SPINLOCK(kbd_controller_lock);
-static unsigned char handle_kbd_event(void);
-
-/* used only by send_data - set by keyboard_interrupt */
-static volatile unsigned char reply_expected;
-static volatile unsigned char acknowledge;
-static volatile unsigned char resend;
-
-
-int ec3104_kbd_setkeycode(unsigned int scancode, unsigned int keycode)
-{
-	return 0;
-}
-
-int ec3104_kbd_getkeycode(unsigned int scancode)
-{
-	return 0;
-}
-
-
-/* yes, it probably would be faster to use an array.  I don't care. */
-
-static inline unsigned char ec3104_scan2key(unsigned char scancode)
-{
-	switch (scancode) {
-	case  1: /* '`' */
-		return 41;
-		
-	case  2 ... 27:
-		return scancode;
-		
-	case 28: /* '\\' */
-		return 43;
-
-	case 29 ... 39:
-		return scancode + 1;
-
-	case 40: /* '\r' */
-		return 28;
-
-	case 41 ... 50:
-		return scancode + 3;
-
-	case 51: /* ' ' */
-		return 57;
-		
-	case 52: /* escape */
-		return 1;
-
-	case 54: /* insert/delete (labelled delete) */
-		/* this should arguably be 110, but I'd like to have ctrl-alt-del
-		 * working with a standard keymap */
-		return 111;
-
-	case 55: /* left */
-		return 105;
-	case 56: /* home */
-		return 102;
-	case 57: /* end */
-		return 107;
-	case 58: /* up */
-		return 103;
-	case 59: /* down */
-		return 108;
-	case 60: /* pgup */
-		return 104;
-	case 61: /* pgdown */
-		return 109;
-	case 62: /* right */
-		return 106;
-
-	case 79 ... 88: /* f1 - f10 */
-		return scancode - 20;
-
-	case 89 ... 90: /* f11 - f12 */
-		return scancode - 2;
-
-	case 91: /* left shift */
-		return 42;
-
-	case 92: /* right shift */
-		return 54;
-
-	case 93: /* left alt */
-		return 56;
-	case 94: /* right alt */
-		return 100;
-	case 95: /* left ctrl */
-		return 29;
-	case 96: /* right ctrl */
-		return 97;
-
-	case 97: /* caps lock */
-		return 58;
-	case 102: /* left windows */
-		return 125;
-	case 103: /* right windows */
-		return 126;
-
-	case 106: /* Fn */
-		/* this is wrong. */
-		return 84;
-
-	default:
-		return 0;
-	}
-}
-		
-int ec3104_kbd_translate(unsigned char scancode, unsigned char *keycode,
-		    char raw_mode)
-{
-	scancode &= 0x7f;
-
-	*keycode = ec3104_scan2key(scancode);
-
- 	return 1;
-}
-
-char ec3104_kbd_unexpected_up(unsigned char keycode)
-{
-	return 0200;
-}
-
-static inline void handle_keyboard_event(unsigned char scancode)
-{
-#ifdef CONFIG_VT
-	handle_scancode(scancode, !(scancode & 0x80));
-#endif				
-	tasklet_schedule(&keyboard_tasklet);
-}	
-
-void ec3104_kbd_leds(unsigned char leds)
-{
-}
-
-static u8 e5_checksum(u8 *packet, int count)
-{
-	int i;
-	u8 sum = 0;
-
-	for (i=0; i<count; i++)
-		sum ^= packet[i];
-		
-	if (sum & 0x80)
-		sum ^= 0xc0;
-
-	return sum;
-}
-
-static void e5_wait_for_cts(struct e5_struct *k)
-{
-	u8 msr;
-		
-	do {
-		msr = ctrl_inb(EC3104_SER4_MSR);
-	} while (!(msr & MSR_CTS));
-}
-
-
-static void e5_send_byte(u8 byte, struct e5_struct *k)
-{
-	u8 status;
-		
-	do {
-		status = ctrl_inb(EC3104_SER4_LSR);
-	} while ((status & LSR_BOTH_EMPTY) != LSR_BOTH_EMPTY);
-	
-	printk("<%02x>", byte);
-
-	ctrl_outb(byte, EC3104_SER4_DATA);
-
-	do {
-		status = ctrl_inb(EC3104_SER4_LSR);
-	} while ((status & LSR_BOTH_EMPTY) != LSR_BOTH_EMPTY);
-	
-}
-
-static int e5_send_packet(u8 *packet, int count, struct e5_struct *k)
-{
-	int i;
-
-	disable_irq(EC3104_IRQ_SER4);
-	
-	if (k->cached_mcr & MCR_RTS) {
-		printk("e5_send_packet: too slow\n");
-		enable_irq(EC3104_IRQ_SER4);
-		return -EAGAIN;
-	}
-
-	k->cached_mcr |= MCR_RTS;
-	ctrl_outb(k->cached_mcr, EC3104_SER4_MCR);
-
-	e5_wait_for_cts(k);
-
-	printk("p: ");
-
-	for(i=0; i<count; i++)
-		e5_send_byte(packet[i], k);
-
-	e5_send_byte(e5_checksum(packet, count), k);
-
-	printk("\n");
-
-	udelay(1500);
-
-	k->cached_mcr &= ~MCR_RTS;
-	ctrl_outb(k->cached_mcr, EC3104_SER4_MCR);
-
-	set_current_state(TASK_UNINTERRUPTIBLE);
-	
-	
-
-	enable_irq(EC3104_IRQ_SER4);
-
-	
-
-	return 0;
-}
-
-/*
- * E5 packets we know about:
- * E5->host 0x80 0x05 <checksum> - resend packet
- * host->E5 0x83 0x43 <contrast> - set LCD contrast
- * host->E5 0x85 0x41 0x02 <brightness> 0x02 - set LCD backlight
- * E5->host 0x87 <ps2 packet> 0x00 <checksum> - external PS2 
- * E5->host 0x88 <scancode> <checksum> - key press
- */
-
-static void e5_receive(struct e5_struct *k)
-{
-	k->packet[k->pos++] = ctrl_inb(EC3104_SER4_DATA);
-
-	if (k->pos == 1) {
-		switch(k->packet[0]) {
-		case 0x80:
-			k->length = 3;
-			break;
-			
-		case 0x87: /* PS2 ext */
-			k->length = 6;
-			break;
-
-		case 0x88: /* keyboard */
-			k->length = 3;
-			break;
-
-		default:
-			k->length = 1;
-			printk(KERN_WARNING "unknown E5 packet %02x\n",
-			       k->packet[0]);
-		}
-	}
-
-	if (k->pos == k->length) {
-		int i;
-
-		if (e5_checksum(k->packet, k->length) != 0)
-			printk(KERN_WARNING "E5: wrong checksum\n");
-
-#if 0
-		printk("E5 packet [");
-		for(i=0; i<k->length; i++) {
-			printk("%02x ", k->packet[i]);
-		}
-
-		printk("(%02x)]\n", e5_checksum(k->packet, k->length-1));
-#endif
-
-		switch(k->packet[0]) {
-		case 0x80:
-		case 0x88:
-			handle_keyboard_event(k->packet[1]);
-			break;
-		}
-
-		k->pos = k->length = 0;
-	}
-}
-
-static void ec3104_keyb_interrupt(int irq, void *data)
-{
-	struct e5_struct *k = &ec3104_keyb;
-	u8 msr, lsr;
-
-	msr = ctrl_inb(EC3104_SER4_MSR);
-	
-	if ((msr & MSR_CTS) && !(k->last_msr & MSR_CTS)) {
-		if (k->cached_mcr & MCR_RTS)
-			printk("confused: RTS already high\n");
-		/* CTS went high.  Send RTS. */
-		k->cached_mcr |= MCR_RTS;
-		
-		ctrl_outb(k->cached_mcr, EC3104_SER4_MCR);
-	} else if ((!(msr & MSR_CTS)) && (k->last_msr & MSR_CTS)) {
-		/* CTS went low. */
-		if (!(k->cached_mcr & MCR_RTS))
-			printk("confused: RTS already low\n");
-
-		k->cached_mcr &= ~MCR_RTS;
-
-		ctrl_outb(k->cached_mcr, EC3104_SER4_MCR);
-	}
-
-	k->last_msr = msr;
-
-	lsr = ctrl_inb(EC3104_SER4_LSR);
-
-	if (lsr & LSR_DR)
-		e5_receive(k);
-}
-
-static void ec3104_keyb_clear_state(void)
-{
-	struct e5_struct *k = &ec3104_keyb;
-	u8 msr, lsr;
-	
-	/* we want CTS to be low */
-	k->last_msr = 0;
-
-	for (;;) {
-		msleep(100);
-
-		msr = ctrl_inb(EC3104_SER4_MSR);
-	
-		lsr = ctrl_inb(EC3104_SER4_LSR);
-		
-		if (lsr & LSR_DR) {
-			e5_receive(k);
-			continue;
-		}
-
-		if ((msr & MSR_CTS) && !(k->last_msr & MSR_CTS)) {
-			if (k->cached_mcr & MCR_RTS)
-				printk("confused: RTS already high\n");
-			/* CTS went high.  Send RTS. */
-			k->cached_mcr |= MCR_RTS;
-		
-			ctrl_outb(k->cached_mcr, EC3104_SER4_MCR);
-		} else if ((!(msr & MSR_CTS)) && (k->last_msr & MSR_CTS)) {
-			/* CTS went low. */
-			if (!(k->cached_mcr & MCR_RTS))
-				printk("confused: RTS already low\n");
-			
-			k->cached_mcr &= ~MCR_RTS;
-			
-			ctrl_outb(k->cached_mcr, EC3104_SER4_MCR);
-		} else
-			break;
-
-		k->last_msr = msr;
-
-		continue;
-	}
-}
-
-void __init ec3104_kbd_init_hw(void)
-{
-	ec3104_keyb.last_msr = ctrl_inb(EC3104_SER4_MSR);
-	ec3104_keyb.cached_mcr = ctrl_inb(EC3104_SER4_MCR);
-
-	ec3104_keyb_clear_state();
-
-	/* Ok, finally allocate the IRQ, and off we go.. */
-	request_irq(EC3104_IRQ_SER4, ec3104_keyb_interrupt, 0, "keyboard", NULL);
-}