Input: combine hil_kbd and hil_ptr drivers

hil_kbd and hil_ptr look like twins so it makes sense to combine them
into a single driver.

[deller@gmx.de: add MODULE_ALIAS() entry for mouse]
Tested-by: Helge Deller <deller@gmx.de>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

1 files changed, 0 insertions, 447 deletions

diff --git a/drivers/input/mouse/hil_ptr.c b/drivers/input/mouse/hil_ptr.c
deleted file mode 100644
index cd12c2d8fa0b..000000000000
--- a/drivers/input/mouse/hil_ptr.c
+++ /dev/null
@@ -1,447 +0,0 @@
-/*
- * Generic linux-input device driver for axis-bearing devices
- *
- * Copyright (c) 2001 Brian S. Julin
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions, and the following disclaimer,
- *    without modification.
- * 2. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission.
- *
- * Alternatively, this software may be distributed under the terms of the
- * GNU General Public License ("GPL").
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
- * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- *
- * References:
- * HP-HIL Technical Reference Manual.  Hewlett Packard Product No. 45918A
- *
- */
-
-#include <linux/hil.h>
-#include <linux/input.h>
-#include <linux/serio.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/slab.h>
-#include <linux/pci_ids.h>
-
-#define PREFIX "HIL PTR: "
-#define HIL_GENERIC_NAME "HIL pointer device"
-
-MODULE_AUTHOR("Brian S. Julin <bri@calyx.com>");
-MODULE_DESCRIPTION(HIL_GENERIC_NAME " driver");
-MODULE_LICENSE("Dual BSD/GPL");
-MODULE_ALIAS("serio:ty03pr25id0Fex*");
-
-#define TABLET_SIMULATES_MOUSE	/* allow tablet to be used as mouse */
-#undef  TABLET_AUTOADJUST	/* auto-adjust valid tablet ranges */
-
-
-#define HIL_PTR_MAX_LENGTH 16
-
-struct hil_ptr {
-	struct input_dev *dev;
-	struct serio *serio;
-
-	/* Input buffer and index for packets from HIL bus. */
-	hil_packet data[HIL_PTR_MAX_LENGTH];
-	int idx4; /* four counts per packet */
-
-	/* Raw device info records from HIL bus, see hil.h for fields. */
-	char	idd[HIL_PTR_MAX_LENGTH];	/* DID byte and IDD record */
-	char	rsc[HIL_PTR_MAX_LENGTH];	/* RSC record */
-	char	exd[HIL_PTR_MAX_LENGTH];	/* EXD record */
-	char	rnm[HIL_PTR_MAX_LENGTH + 1];	/* RNM record + NULL term. */
-
-	/* Extra device details not contained in struct input_dev. */
-	unsigned int nbtn, naxes;
-	unsigned int btnmap[7];
-
-	/* Something to sleep around with. */
-	struct semaphore sem;
-};
-
-/* Process a complete packet after transfer from the HIL */
-static void hil_ptr_process_record(struct hil_ptr *ptr)
-{
-	struct input_dev *dev = ptr->dev;
-	hil_packet *data = ptr->data;
-	hil_packet p;
-	int idx, i, cnt, laxis;
-	int ax16, absdev;
-
-	idx = ptr->idx4/4;
-	p = data[idx - 1];
-
-	if ((p & ~HIL_CMDCT_POL) ==
-	    (HIL_ERR_INT | HIL_PKT_CMD | HIL_CMD_POL))
-		goto report;
-	if ((p & ~HIL_CMDCT_RPL) ==
-	    (HIL_ERR_INT | HIL_PKT_CMD | HIL_CMD_RPL))
-		goto report;
-
-	/* Not a poll response.  See if we are loading config records. */
-	switch (p & HIL_PKT_DATA_MASK) {
-	case HIL_CMD_IDD:
-		for (i = 0; i < idx; i++)
-			ptr->idd[i] = ptr->data[i] & HIL_PKT_DATA_MASK;
-		for (; i < HIL_PTR_MAX_LENGTH; i++)
-			ptr->idd[i] = 0;
-		break;
-
-	case HIL_CMD_RSC:
-		for (i = 0; i < idx; i++)
-			ptr->rsc[i] = ptr->data[i] & HIL_PKT_DATA_MASK;
-		for (; i < HIL_PTR_MAX_LENGTH; i++)
-			ptr->rsc[i] = 0;
-		break;
-
-	case HIL_CMD_EXD:
-		for (i = 0; i < idx; i++)
-			ptr->exd[i] = ptr->data[i] & HIL_PKT_DATA_MASK;
-		for (; i < HIL_PTR_MAX_LENGTH; i++)
-			ptr->exd[i] = 0;
-		break;
-
-	case HIL_CMD_RNM:
-		for (i = 0; i < idx; i++)
-			ptr->rnm[i] = ptr->data[i] & HIL_PKT_DATA_MASK;
-		for (; i < HIL_PTR_MAX_LENGTH + 1; i++)
-			ptr->rnm[i] = 0;
-		break;
-
-	default:
-		/* These occur when device isn't present */
-		if (p == (HIL_ERR_INT | HIL_PKT_CMD))
-			break;
-		/* Anything else we'd like to know about. */
-		printk(KERN_WARNING PREFIX "Device sent unknown record %x\n", p);
-		break;
-	}
-	goto out;
-
- report:
-	if ((p & HIL_CMDCT_POL) != idx - 1) {
-		printk(KERN_WARNING PREFIX
-			"Malformed poll packet %x (idx = %i)\n", p, idx);
-		goto out;
-	}
-
-	i = (ptr->data[0] & HIL_POL_AXIS_ALT) ? 3 : 0;
-	laxis = ptr->data[0] & HIL_POL_NUM_AXES_MASK;
-	laxis += i;
-
-	ax16 = ptr->idd[1] & HIL_IDD_HEADER_16BIT; /* 8 or 16bit resolution */
-	absdev = ptr->idd[1] & HIL_IDD_HEADER_ABS;
-
-	for (cnt = 1; i < laxis; i++) {
-		unsigned int lo,hi,val;
-		lo = ptr->data[cnt++] & HIL_PKT_DATA_MASK;
-		hi = ax16 ? (ptr->data[cnt++] & HIL_PKT_DATA_MASK) : 0;
-		if (absdev) {
-			val = lo + (hi<<8);
-#ifdef TABLET_AUTOADJUST
-			if (val < dev->absmin[ABS_X + i])
-				dev->absmin[ABS_X + i] = val;
-			if (val > dev->absmax[ABS_X + i])
-				dev->absmax[ABS_X + i] = val;
-#endif
-			if (i%3) val = dev->absmax[ABS_X + i] - val;
-			input_report_abs(dev, ABS_X + i, val);
-		} else {
-			val = (int) (((int8_t)lo) | ((int8_t)hi<<8));
-			if (i%3)
-				val *= -1;
-			input_report_rel(dev, REL_X + i, val);
-		}
-	}
-
-	while (cnt < idx - 1) {
-		unsigned int btn;
-		int up;
-		btn = ptr->data[cnt++];
-		up = btn & 1;
-		btn &= 0xfe;
-		if (btn == 0x8e)
-			continue; /* TODO: proximity == touch? */
-		else
-			if ((btn > 0x8c) || (btn < 0x80))
-				continue;
-		btn = (btn - 0x80) >> 1;
-		btn = ptr->btnmap[btn];
-		input_report_key(dev, btn, !up);
-	}
-	input_sync(dev);
- out:
-	ptr->idx4 = 0;
-	up(&ptr->sem);
-}
-
-static void hil_ptr_process_err(struct hil_ptr *ptr)
-{
-	printk(KERN_WARNING PREFIX "errored HIL packet\n");
-	ptr->idx4 = 0;
-	up(&ptr->sem);
-}
-
-static irqreturn_t hil_ptr_interrupt(struct serio *serio,
-        unsigned char data, unsigned int flags)
-{
-	struct hil_ptr *ptr;
-	hil_packet packet;
-	int idx;
-
-	ptr = serio_get_drvdata(serio);
-	BUG_ON(ptr == NULL);
-
-	if (ptr->idx4 >= (HIL_PTR_MAX_LENGTH * sizeof(hil_packet))) {
-		hil_ptr_process_err(ptr);
-		return IRQ_HANDLED;
-	}
-	idx = ptr->idx4/4;
-	if (!(ptr->idx4 % 4))
-		ptr->data[idx] = 0;
-	packet = ptr->data[idx];
-	packet |= ((hil_packet)data) << ((3 - (ptr->idx4 % 4)) * 8);
-	ptr->data[idx] = packet;
-
-	/* Records of N 4-byte hil_packets must terminate with a command. */
-	if ((++(ptr->idx4)) % 4)
-		return IRQ_HANDLED;
-	if ((packet & 0xffff0000) != HIL_ERR_INT) {
-		hil_ptr_process_err(ptr);
-		return IRQ_HANDLED;
-	}
-	if (packet & HIL_PKT_CMD)
-		hil_ptr_process_record(ptr);
-
-	return IRQ_HANDLED;
-}
-
-static void hil_ptr_disconnect(struct serio *serio)
-{
-	struct hil_ptr *ptr;
-
-	ptr = serio_get_drvdata(serio);
-	BUG_ON(ptr == NULL);
-
-	serio_close(serio);
-	input_unregister_device(ptr->dev);
-	kfree(ptr);
-}
-
-static int hil_ptr_connect(struct serio *serio, struct serio_driver *driver)
-{
-	struct hil_ptr	*ptr;
-	const char	*txt;
-	unsigned int	i, naxsets, btntype;
-	uint8_t		did, *idd;
-	int		error;
-
-	ptr = kzalloc(sizeof(struct hil_ptr), GFP_KERNEL);
-	if (!ptr)
-		return -ENOMEM;
-
-	ptr->dev = input_allocate_device();
-	if (!ptr->dev) {
-		error = -ENOMEM;
-		goto bail0;
-	}
-
-	error = serio_open(serio, driver);
-	if (error)
-		goto bail1;
-
-	serio_set_drvdata(serio, ptr);
-	ptr->serio = serio;
-
-	init_MUTEX_LOCKED(&ptr->sem);
-
-	/* Get device info.  MLC driver supplies devid/status/etc. */
-	serio_write(serio, 0);
-	serio_write(serio, 0);
-	serio_write(serio, HIL_PKT_CMD >> 8);
-	serio_write(serio, HIL_CMD_IDD);
-	down(&ptr->sem);
-
-	serio_write(serio, 0);
-	serio_write(serio, 0);
-	serio_write(serio, HIL_PKT_CMD >> 8);
-	serio_write(serio, HIL_CMD_RSC);
-	down(&ptr->sem);
-
-	serio_write(serio, 0);
-	serio_write(serio, 0);
-	serio_write(serio, HIL_PKT_CMD >> 8);
-	serio_write(serio, HIL_CMD_RNM);
-	down(&ptr->sem);
-
-	serio_write(serio, 0);
-	serio_write(serio, 0);
-	serio_write(serio, HIL_PKT_CMD >> 8);
-	serio_write(serio, HIL_CMD_EXD);
-	down(&ptr->sem);
-
-	up(&ptr->sem);
-
-	did = ptr->idd[0];
-	idd = ptr->idd + 1;
-	txt = "unknown";
-
-	if ((did & HIL_IDD_DID_TYPE_MASK) == HIL_IDD_DID_TYPE_REL) {
-		ptr->dev->evbit[0] = BIT_MASK(EV_REL);
-		txt = "relative";
-	}
-
-	if ((did & HIL_IDD_DID_TYPE_MASK) == HIL_IDD_DID_TYPE_ABS) {
-		ptr->dev->evbit[0] = BIT_MASK(EV_ABS);
-		txt = "absolute";
-	}
-
-	if (!ptr->dev->evbit[0]) {
-		error = -ENODEV;
-		goto bail2;
-	}
-
-	ptr->nbtn = HIL_IDD_NUM_BUTTONS(idd);
-	if (ptr->nbtn)
-		ptr->dev->evbit[0] |= BIT_MASK(EV_KEY);
-
-	naxsets = HIL_IDD_NUM_AXSETS(*idd);
-	ptr->naxes = HIL_IDD_NUM_AXES_PER_SET(*idd);
-
-	printk(KERN_INFO PREFIX "HIL pointer device found (did: 0x%02x, axis: %s)\n",
-			did, txt);
-	printk(KERN_INFO PREFIX "HIL pointer has %i buttons and %i sets of %i axes\n",
-			ptr->nbtn, naxsets, ptr->naxes);
-
-	btntype = BTN_MISC;
-	if ((did & HIL_IDD_DID_ABS_TABLET_MASK) == HIL_IDD_DID_ABS_TABLET)
-#ifdef TABLET_SIMULATES_MOUSE
-		btntype = BTN_TOUCH;
-#else
-		btntype = BTN_DIGI;
-#endif
-	if ((did & HIL_IDD_DID_ABS_TSCREEN_MASK) == HIL_IDD_DID_ABS_TSCREEN)
-		btntype = BTN_TOUCH;
-
-	if ((did & HIL_IDD_DID_REL_MOUSE_MASK) == HIL_IDD_DID_REL_MOUSE)
-		btntype = BTN_MOUSE;
-
-	for (i = 0; i < ptr->nbtn; i++) {
-		set_bit(btntype | i, ptr->dev->keybit);
-		ptr->btnmap[i] = btntype | i;
-	}
-
-	if (btntype == BTN_MOUSE) {
-		/* Swap buttons 2 and 3 */
-		ptr->btnmap[1] = BTN_MIDDLE;
-		ptr->btnmap[2] = BTN_RIGHT;
-	}
-
-	if ((did & HIL_IDD_DID_TYPE_MASK) == HIL_IDD_DID_TYPE_REL) {
-		for (i = 0; i < ptr->naxes; i++)
-			set_bit(REL_X + i, ptr->dev->relbit);
-		for (i = 3; (i < ptr->naxes + 3) && (naxsets > 1); i++)
-			set_bit(REL_X + i, ptr->dev->relbit);
-	} else {
-		for (i = 0; i < ptr->naxes; i++) {
-			set_bit(ABS_X + i, ptr->dev->absbit);
-			ptr->dev->absmin[ABS_X + i] = 0;
-			ptr->dev->absmax[ABS_X + i] =
-				HIL_IDD_AXIS_MAX((ptr->idd + 1), i);
-		}
-		for (i = 3; (i < ptr->naxes + 3) && (naxsets > 1); i++) {
-			set_bit(ABS_X + i, ptr->dev->absbit);
-			ptr->dev->absmin[ABS_X + i] = 0;
-			ptr->dev->absmax[ABS_X + i] =
-				HIL_IDD_AXIS_MAX((ptr->idd + 1), (i - 3));
-		}
-#ifdef TABLET_AUTOADJUST
-		for (i = 0; i < ABS_MAX; i++) {
-			int diff = ptr->dev->absmax[ABS_X + i] / 10;
-			ptr->dev->absmin[ABS_X + i] += diff;
-			ptr->dev->absmax[ABS_X + i] -= diff;
-		}
-#endif
-	}
-
-	ptr->dev->name = strlen(ptr->rnm) ? ptr->rnm : HIL_GENERIC_NAME;
-
-	ptr->dev->id.bustype	= BUS_HIL;
-	ptr->dev->id.vendor	= PCI_VENDOR_ID_HP;
-	ptr->dev->id.product	= 0x0001; /* TODO: get from ptr->rsc */
-	ptr->dev->id.version	= 0x0100; /* TODO: get from ptr->rsc */
-	ptr->dev->dev.parent	= &serio->dev;
-
-	error = input_register_device(ptr->dev);
-	if (error) {
-		printk(KERN_INFO PREFIX "Unable to register input device\n");
-		goto bail2;
-	}
-
-	printk(KERN_INFO "input: %s (%s), ID: %d\n",
-		ptr->dev->name,
-		(btntype == BTN_MOUSE) ? "HIL mouse":"HIL tablet or touchpad",
-		did);
-
-	return 0;
-
- bail2:
-	serio_close(serio);
- bail1:
-	input_free_device(ptr->dev);
- bail0:
-	kfree(ptr);
-	serio_set_drvdata(serio, NULL);
-	return error;
-}
-
-static struct serio_device_id hil_ptr_ids[] = {
-	{
-		.type = SERIO_HIL_MLC,
-		.proto = SERIO_HIL,
-		.id = SERIO_ANY,
-		.extra = SERIO_ANY,
-	},
-	{ 0 }
-};
-
-static struct serio_driver hil_ptr_serio_driver = {
-	.driver		= {
-		.name	= "hil_ptr",
-	},
-	.description	= "HP HIL mouse/tablet driver",
-	.id_table	= hil_ptr_ids,
-	.connect	= hil_ptr_connect,
-	.disconnect	= hil_ptr_disconnect,
-	.interrupt	= hil_ptr_interrupt
-};
-
-static int __init hil_ptr_init(void)
-{
-	return serio_register_driver(&hil_ptr_serio_driver);
-}
-
-static void __exit hil_ptr_exit(void)
-{
-	serio_unregister_driver(&hil_ptr_serio_driver);
-}
-
-module_init(hil_ptr_init);
-module_exit(hil_ptr_exit);