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SubjectRe: [PATCH] Logitech PS/2++ updates
On Sat, Jun 14, 2003 at 04:39:09PM -0700, Eric Wong wrote:
> Vojtech Pavlik <vojtech@suse.cz> wrote:
> > On Tue, Mar 25, 2003 at 06:55:38PM -0800, Eric Wong wrote:
> >
> > > Updates to the PS/2++ mouse protocol used by Logitech, as well as
> > > SMS/Smart Scroll/Cruise Control and 800 cpi resolution control for those
> > > who want it. Up to 10 buttons are supported now, although only 8 are
> > > used at the moment on the MX500 and MX700.
> >
> > Going to merge this, but what are the H118 and H119 keys? Also what
> > exactly "SMS" means?
>
> SMS is SMartScroll, the two tiny autoscroll buttons above and below the
> wheel of the MX500/700. H118 and H119 (I just arbirarily named them)
> aren't used in any current mice to my knowledge, but are there are bits
> for them in the new PS/2++ packet for possible future use.

Ok. How about these two patches against 2.5.71? Your changes are merged
into the second one.

--
Vojtech Pavlik
SuSE Labs, SuSE CR
You can pull this changeset from:
bk://kernel.bkbits.net/vojtech/input

===================================================================

ChangeSet@1.1307.5.13, 2003-06-14 18:33:19+02:00, petero2@telia.com
input: Add Synaptics touchpad absolute mode support.


b/drivers/input/mouse/Kconfig | 13
b/drivers/input/mouse/Makefile | 5
b/drivers/input/mouse/psmouse-base.c | 661 +++++++++++++++++++++++++++++++++
b/drivers/input/mouse/psmouse.h | 49 ++
b/drivers/input/mouse/synaptics.c | 390 +++++++++++++++++++
b/drivers/input/mouse/synaptics.h | 105 +++++
b/include/linux/input.h | 1
drivers/input/mouse/psmouse.c | 689 -----------------------------------
8 files changed, 1224 insertions(+), 689 deletions(-)

===================================================================

diff -Nru a/drivers/input/mouse/Kconfig b/drivers/input/mouse/Kconfig
--- a/drivers/input/mouse/Kconfig Sun Jun 15 10:37:48 2003
+++ b/drivers/input/mouse/Kconfig Sun Jun 15 10:37:48 2003
@@ -28,6 +28,19 @@
The module will be called psmouse. If you want to compile it as a
module, say M here and read <file:Documentation/modules.txt>.

+config MOUSE_PS2_SYNAPTICS
+ bool "Synaptics TouchPad"
+ default n
+ depends on INPUT && INPUT_MOUSE && SERIO && MOUSE_PS2
+ ---help---
+ Say Y here if you have a Synaptics TouchPad connected to your system.
+ This touchpad is found on many modern laptop computers.
+ Note that you also need a user space driver to interpret the data
+ generated by the kernel. A compatible driver for XFree86 is available
+ from http://...
+
+ If unsure, say Y.
+
config MOUSE_SERIAL
tristate "Serial mouse"
depends on INPUT && INPUT_MOUSE && SERIO
diff -Nru a/drivers/input/mouse/Makefile b/drivers/input/mouse/Makefile
--- a/drivers/input/mouse/Makefile Sun Jun 15 10:37:48 2003
+++ b/drivers/input/mouse/Makefile Sun Jun 15 10:37:48 2003
@@ -13,3 +13,8 @@
obj-$(CONFIG_MOUSE_PC9800) += 98busmouse.o
obj-$(CONFIG_MOUSE_PS2) += psmouse.o
obj-$(CONFIG_MOUSE_SERIAL) += sermouse.o
+
+psmouse-objs := psmouse-base.o
+ifeq ($(CONFIG_MOUSE_PS2_SYNAPTICS),y)
+ psmouse-objs += synaptics.o
+endif
diff -Nru a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c
--- /dev/null Wed Dec 31 16:00:00 1969
+++ b/drivers/input/mouse/psmouse-base.c Sun Jun 15 10:37:48 2003
@@ -0,0 +1,661 @@
+/*
+ * PS/2 mouse driver
+ *
+ * Copyright (c) 1999-2002 Vojtech Pavlik
+ */
+
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ */
+
+#include <linux/delay.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/interrupt.h>
+#include <linux/input.h>
+#include <linux/serio.h>
+#include <linux/init.h>
+#include "psmouse.h"
+#include "synaptics.h"
+
+MODULE_AUTHOR("Vojtech Pavlik <vojtech@suse.cz>");
+MODULE_DESCRIPTION("PS/2 mouse driver");
+MODULE_PARM(psmouse_noext, "1i");
+MODULE_LICENSE("GPL");
+
+static int psmouse_noext;
+
+static char *psmouse_protocols[] = { "None", "PS/2", "PS2++", "PS2T++", "GenPS/2", "ImPS/2", "ImExPS/2", "Synaptics"};
+
+/*
+ * psmouse_process_packet() anlyzes the PS/2 mouse packet contents and
+ * reports relevant events to the input module.
+ */
+
+static void psmouse_process_packet(struct psmouse *psmouse, struct pt_regs *regs)
+{
+ struct input_dev *dev = &psmouse->dev;
+ unsigned char *packet = psmouse->packet;
+
+ input_regs(dev, regs);
+
+/*
+ * The PS2++ protocol is a little bit complex
+ */
+
+ if (psmouse->type == PSMOUSE_PS2PP || psmouse->type == PSMOUSE_PS2TPP) {
+
+ if ((packet[0] & 0x40) == 0x40 && abs((int)packet[1] - (((int)packet[0] & 0x10) << 4)) > 191 ) {
+
+ switch (((packet[1] >> 4) & 0x03) | ((packet[0] >> 2) & 0x0c)) {
+
+ case 1: /* Mouse extra info */
+
+ input_report_rel(dev, packet[2] & 0x80 ? REL_HWHEEL : REL_WHEEL,
+ (int) (packet[2] & 8) - (int) (packet[2] & 7));
+ input_report_key(dev, BTN_SIDE, (packet[2] >> 4) & 1);
+ input_report_key(dev, BTN_EXTRA, (packet[2] >> 5) & 1);
+
+ break;
+
+ case 3: /* TouchPad extra info */
+
+ input_report_rel(dev, packet[2] & 0x08 ? REL_HWHEEL : REL_WHEEL,
+ (int) ((packet[2] >> 4) & 8) - (int) ((packet[2] >> 4) & 7));
+ packet[0] = packet[2] | 0x08;
+
+ break;
+
+#ifdef DEBUG
+ default:
+ printk(KERN_WARNING "psmouse.c: Received PS2++ packet #%x, but don't know how to handle.\n",
+ ((packet[1] >> 4) & 0x03) | ((packet[0] >> 2) & 0x0c));
+#endif
+
+ }
+
+ packet[0] &= 0x0f;
+ packet[1] = 0;
+ packet[2] = 0;
+
+ }
+ }
+
+/*
+ * Scroll wheel on IntelliMice, scroll buttons on NetMice
+ */
+
+ if (psmouse->type == PSMOUSE_IMPS || psmouse->type == PSMOUSE_GENPS)
+ input_report_rel(dev, REL_WHEEL, -(signed char) packet[3]);
+
+/*
+ * Scroll wheel and buttons on IntelliMouse Explorer
+ */
+
+ if (psmouse->type == PSMOUSE_IMEX) {
+ input_report_rel(dev, REL_WHEEL, (int) (packet[3] & 8) - (int) (packet[3] & 7));
+ input_report_key(dev, BTN_SIDE, (packet[3] >> 4) & 1);
+ input_report_key(dev, BTN_EXTRA, (packet[3] >> 5) & 1);
+ }
+
+/*
+ * Extra buttons on Genius NewNet 3D
+ */
+
+ if (psmouse->type == PSMOUSE_GENPS) {
+ input_report_key(dev, BTN_SIDE, (packet[0] >> 6) & 1);
+ input_report_key(dev, BTN_EXTRA, (packet[0] >> 7) & 1);
+ }
+
+/*
+ * Generic PS/2 Mouse
+ */
+
+ input_report_key(dev, BTN_LEFT, packet[0] & 1);
+ input_report_key(dev, BTN_MIDDLE, (packet[0] >> 2) & 1);
+ input_report_key(dev, BTN_RIGHT, (packet[0] >> 1) & 1);
+
+ input_report_rel(dev, REL_X, packet[1] ? (int) packet[1] - (int) ((packet[0] << 4) & 0x100) : 0);
+ input_report_rel(dev, REL_Y, packet[2] ? (int) ((packet[0] << 3) & 0x100) - (int) packet[2] : 0);
+
+ input_sync(dev);
+}
+
+/*
+ * psmouse_interrupt() handles incoming characters, either gathering them into
+ * packets or passing them to the command routine as command output.
+ */
+
+static irqreturn_t psmouse_interrupt(struct serio *serio,
+ unsigned char data, unsigned int flags, struct pt_regs *regs)
+{
+ struct psmouse *psmouse = serio->private;
+
+ if (psmouse->acking) {
+ switch (data) {
+ case PSMOUSE_RET_ACK:
+ psmouse->ack = 1;
+ break;
+ case PSMOUSE_RET_NAK:
+ psmouse->ack = -1;
+ break;
+ default:
+ psmouse->ack = 1; /* Workaround for mice which don't ACK the Get ID command */
+ if (psmouse->cmdcnt)
+ psmouse->cmdbuf[--psmouse->cmdcnt] = data;
+ break;
+ }
+ psmouse->acking = 0;
+ goto out;
+ }
+
+ if (psmouse->cmdcnt) {
+ psmouse->cmdbuf[--psmouse->cmdcnt] = data;
+ goto out;
+ }
+
+ if (psmouse->pktcnt && time_after(jiffies, psmouse->last + HZ/2)) {
+ printk(KERN_WARNING "psmouse.c: Lost synchronization, throwing %d bytes away.\n", psmouse->pktcnt);
+ psmouse->pktcnt = 0;
+ }
+
+ psmouse->last = jiffies;
+ psmouse->packet[psmouse->pktcnt++] = data;
+
+ if (psmouse->pktcnt == 3 + (psmouse->type >= PSMOUSE_GENPS)) {
+ psmouse_process_packet(psmouse, regs);
+ psmouse->pktcnt = 0;
+ goto out;
+ }
+
+ if (psmouse->pktcnt == 1 && psmouse->type == PSMOUSE_SYNAPTICS) {
+ /*
+ * The synaptics driver has its own resync logic,
+ * so it needs to receive all bytes one at a time.
+ */
+ synaptics_process_byte(psmouse, regs);
+ psmouse->pktcnt = 0;
+ goto out;
+ }
+
+ if (psmouse->pktcnt == 1 && psmouse->packet[0] == PSMOUSE_RET_BAT) {
+ serio_rescan(serio);
+ goto out;
+ }
+out:
+ return IRQ_HANDLED;
+}
+
+/*
+ * psmouse_sendbyte() sends a byte to the mouse, and waits for acknowledge.
+ * It doesn't handle retransmission, though it could - because when there would
+ * be need for retransmissions, the mouse has to be replaced anyway.
+ */
+
+static int psmouse_sendbyte(struct psmouse *psmouse, unsigned char byte)
+{
+ int timeout = 10000; /* 100 msec */
+ psmouse->ack = 0;
+ psmouse->acking = 1;
+
+ if (serio_write(psmouse->serio, byte)) {
+ psmouse->acking = 0;
+ return -1;
+ }
+
+ while (!psmouse->ack && timeout--) udelay(10);
+
+ return -(psmouse->ack <= 0);
+}
+
+/*
+ * psmouse_command() sends a command and its parameters to the mouse,
+ * then waits for the response and puts it in the param array.
+ */
+
+int psmouse_command(struct psmouse *psmouse, unsigned char *param, int command)
+{
+ int timeout = 500000; /* 500 msec */
+ int send = (command >> 12) & 0xf;
+ int receive = (command >> 8) & 0xf;
+ int i;
+
+ psmouse->cmdcnt = receive;
+
+ if (command == PSMOUSE_CMD_RESET_BAT)
+ timeout = 2000000; /* 2 sec */
+
+ if (command & 0xff)
+ if (psmouse_sendbyte(psmouse, command & 0xff))
+ return (psmouse->cmdcnt = 0) - 1;
+
+ for (i = 0; i < send; i++)
+ if (psmouse_sendbyte(psmouse, param[i]))
+ return (psmouse->cmdcnt = 0) - 1;
+
+ while (psmouse->cmdcnt && timeout--) {
+
+ if (psmouse->cmdcnt == 1 && command == PSMOUSE_CMD_RESET_BAT)
+ timeout = 100000;
+
+ if (psmouse->cmdcnt == 1 && command == PSMOUSE_CMD_GETID &&
+ psmouse->cmdbuf[1] != 0xab && psmouse->cmdbuf[1] != 0xac) {
+ psmouse->cmdcnt = 0;
+ break;
+ }
+
+ udelay(1);
+ }
+
+ for (i = 0; i < receive; i++)
+ param[i] = psmouse->cmdbuf[(receive - 1) - i];
+
+ if (psmouse->cmdcnt)
+ return (psmouse->cmdcnt = 0) - 1;
+
+ return 0;
+}
+
+/*
+ * psmouse_ps2pp_cmd() sends a PS2++ command, sliced into two bit
+ * pieces through the SETRES command. This is needed to send extended
+ * commands to mice on notebooks that try to understand the PS/2 protocol
+ * Ugly.
+ */
+
+static int psmouse_ps2pp_cmd(struct psmouse *psmouse, unsigned char *param, unsigned char command)
+{
+ unsigned char d;
+ int i;
+
+ if (psmouse_command(psmouse, NULL, PSMOUSE_CMD_SETSCALE11))
+ return -1;
+
+ for (i = 6; i >= 0; i -= 2) {
+ d = (command >> i) & 3;
+ if(psmouse_command(psmouse, &d, PSMOUSE_CMD_SETRES))
+ return -1;
+ }
+
+ if (psmouse_command(psmouse, param, PSMOUSE_CMD_POLL))
+ return -1;
+
+ return 0;
+}
+
+/*
+ * psmouse_extensions() probes for any extensions to the basic PS/2 protocol
+ * the mouse may have.
+ */
+
+static int psmouse_extensions(struct psmouse *psmouse)
+{
+ unsigned char param[4];
+
+ param[0] = 0;
+ psmouse->vendor = "Generic";
+ psmouse->name = "Mouse";
+ psmouse->model = 0;
+
+ if (psmouse_noext)
+ return PSMOUSE_PS2;
+
+/*
+ * Try Synaptics TouchPad magic ID
+ */
+
+ param[0] = 0;
+ psmouse_command(psmouse, param, PSMOUSE_CMD_SETRES);
+ psmouse_command(psmouse, param, PSMOUSE_CMD_SETRES);
+ psmouse_command(psmouse, param, PSMOUSE_CMD_SETRES);
+ psmouse_command(psmouse, param, PSMOUSE_CMD_SETRES);
+ psmouse_command(psmouse, param, PSMOUSE_CMD_GETINFO);
+
+ if (param[1] == 0x47) {
+ psmouse->vendor = "Synaptics";
+ psmouse->name = "TouchPad";
+ if (!synaptics_init(psmouse))
+ return PSMOUSE_SYNAPTICS;
+ else
+ return PSMOUSE_PS2;
+ }
+
+/*
+ * Try Genius NetMouse magic init.
+ */
+
+ param[0] = 3;
+ psmouse_command(psmouse, param, PSMOUSE_CMD_SETRES);
+ psmouse_command(psmouse, NULL, PSMOUSE_CMD_SETSCALE11);
+ psmouse_command(psmouse, NULL, PSMOUSE_CMD_SETSCALE11);
+ psmouse_command(psmouse, NULL, PSMOUSE_CMD_SETSCALE11);
+ psmouse_command(psmouse, param, PSMOUSE_CMD_GETINFO);
+
+ if (param[0] == 0x00 && param[1] == 0x33 && param[2] == 0x55) {
+
+ set_bit(BTN_EXTRA, psmouse->dev.keybit);
+ set_bit(BTN_SIDE, psmouse->dev.keybit);
+ set_bit(REL_WHEEL, psmouse->dev.relbit);
+
+ psmouse->vendor = "Genius";
+ psmouse->name = "Wheel Mouse";
+ return PSMOUSE_GENPS;
+ }
+
+/*
+ * Try Logitech magic ID.
+ */
+
+ param[0] = 0;
+ psmouse_command(psmouse, param, PSMOUSE_CMD_SETRES);
+ psmouse_command(psmouse, NULL, PSMOUSE_CMD_SETSCALE11);
+ psmouse_command(psmouse, NULL, PSMOUSE_CMD_SETSCALE11);
+ psmouse_command(psmouse, NULL, PSMOUSE_CMD_SETSCALE11);
+ psmouse_command(psmouse, param, PSMOUSE_CMD_GETINFO);
+
+ if (param[1]) {
+
+ int i;
+ static int logitech_4btn[] = { 12, 40, 41, 42, 43, 52, 73, 80, -1 };
+ static int logitech_wheel[] = { 52, 53, 75, 76, 80, 81, 83, 88, -1 };
+ static int logitech_ps2pp[] = { 12, 13, 40, 41, 42, 43, 50, 51, 52, 53, 73, 75,
+ 76, 80, 81, 83, 88, 96, 97, -1 };
+ psmouse->vendor = "Logitech";
+ psmouse->model = ((param[0] >> 4) & 0x07) | ((param[0] << 3) & 0x78);
+
+ if (param[1] < 3)
+ clear_bit(BTN_MIDDLE, psmouse->dev.keybit);
+ if (param[1] < 2)
+ clear_bit(BTN_RIGHT, psmouse->dev.keybit);
+
+ psmouse->type = PSMOUSE_PS2;
+
+ for (i = 0; logitech_ps2pp[i] != -1; i++)
+ if (logitech_ps2pp[i] == psmouse->model)
+ psmouse->type = PSMOUSE_PS2PP;
+
+ if (psmouse->type == PSMOUSE_PS2PP) {
+
+ for (i = 0; logitech_4btn[i] != -1; i++)
+ if (logitech_4btn[i] == psmouse->model)
+ set_bit(BTN_SIDE, psmouse->dev.keybit);
+
+ for (i = 0; logitech_wheel[i] != -1; i++)
+ if (logitech_wheel[i] == psmouse->model) {
+ set_bit(REL_WHEEL, psmouse->dev.relbit);
+ psmouse->name = "Wheel Mouse";
+ }
+
+/*
+ * Do Logitech PS2++ / PS2T++ magic init.
+ */
+
+ if (psmouse->model == 97) { /* TouchPad 3 */
+
+ set_bit(REL_WHEEL, psmouse->dev.relbit);
+ set_bit(REL_HWHEEL, psmouse->dev.relbit);
+
+ param[0] = 0x11; param[1] = 0x04; param[2] = 0x68; /* Unprotect RAM */
+ psmouse_command(psmouse, param, 0x30d1);
+ param[0] = 0x11; param[1] = 0x05; param[2] = 0x0b; /* Enable features */
+ psmouse_command(psmouse, param, 0x30d1);
+ param[0] = 0x11; param[1] = 0x09; param[2] = 0xc3; /* Enable PS2++ */
+ psmouse_command(psmouse, param, 0x30d1);
+
+ param[0] = 0;
+ if (!psmouse_command(psmouse, param, 0x13d1) &&
+ param[0] == 0x06 && param[1] == 0x00 && param[2] == 0x14)
+ return PSMOUSE_PS2TPP;
+
+ } else {
+ param[0] = param[1] = param[2] = 0;
+
+ psmouse_ps2pp_cmd(psmouse, param, 0x39); /* Magic knock */
+ psmouse_ps2pp_cmd(psmouse, param, 0xDB);
+
+ if ((param[0] & 0x78) == 0x48 && (param[1] & 0xf3) == 0xc2 &&
+ (param[2] & 3) == ((param[1] >> 2) & 3))
+ return PSMOUSE_PS2PP;
+ }
+ }
+ }
+
+/*
+ * Try IntelliMouse magic init.
+ */
+
+ param[0] = 200;
+ psmouse_command(psmouse, param, PSMOUSE_CMD_SETRATE);
+ param[0] = 100;
+ psmouse_command(psmouse, param, PSMOUSE_CMD_SETRATE);
+ param[0] = 80;
+ psmouse_command(psmouse, param, PSMOUSE_CMD_SETRATE);
+ psmouse_command(psmouse, param, PSMOUSE_CMD_GETID);
+
+ if (param[0] == 3) {
+
+ set_bit(REL_WHEEL, psmouse->dev.relbit);
+
+/*
+ * Try IntelliMouse/Explorer magic init.
+ */
+
+ param[0] = 200;
+ psmouse_command(psmouse, param, PSMOUSE_CMD_SETRATE);
+ param[0] = 200;
+ psmouse_command(psmouse, param, PSMOUSE_CMD_SETRATE);
+ param[0] = 80;
+ psmouse_command(psmouse, param, PSMOUSE_CMD_SETRATE);
+ psmouse_command(psmouse, param, PSMOUSE_CMD_GETID);
+
+ if (param[0] == 4) {
+
+ set_bit(BTN_SIDE, psmouse->dev.keybit);
+ set_bit(BTN_EXTRA, psmouse->dev.keybit);
+
+ psmouse->name = "Explorer Mouse";
+ return PSMOUSE_IMEX;
+ }
+
+ psmouse->name = "Wheel Mouse";
+ return PSMOUSE_IMPS;
+ }
+
+/*
+ * Okay, all failed, we have a standard mouse here. The number of the buttons
+ * is still a question, though. We assume 3.
+ */
+
+ return PSMOUSE_PS2;
+}
+
+/*
+ * psmouse_probe() probes for a PS/2 mouse.
+ */
+
+static int psmouse_probe(struct psmouse *psmouse)
+{
+ unsigned char param[2];
+
+/*
+ * First, we check if it's a mouse. It should send 0x00 or 0x03
+ * in case of an IntelliMouse in 4-byte mode or 0x04 for IM Explorer.
+ */
+
+ param[0] = param[1] = 0xa5;
+
+ if (psmouse_command(psmouse, param, PSMOUSE_CMD_GETID))
+ return -1;
+
+ if (param[0] != 0x00 && param[0] != 0x03 && param[0] != 0x04)
+ return -1;
+
+/*
+ * Then we reset and disable the mouse so that it doesn't generate events.
+ */
+
+ if (psmouse_command(psmouse, NULL, PSMOUSE_CMD_RESET_DIS))
+ return -1;
+
+/*
+ * And here we try to determine if it has any extensions over the
+ * basic PS/2 3-button mouse.
+ */
+
+ return psmouse->type = psmouse_extensions(psmouse);
+}
+
+/*
+ * psmouse_initialize() initializes the mouse to a sane state.
+ */
+
+static void psmouse_initialize(struct psmouse *psmouse)
+{
+ unsigned char param[2];
+
+/*
+ * We set the mouse report rate to a highest possible value.
+ * We try 100 first in case mouse fails to set 200.
+ */
+
+ param[0] = 100;
+ psmouse_command(psmouse, param, PSMOUSE_CMD_SETRATE);
+
+ param[0] = 200;
+ psmouse_command(psmouse, param, PSMOUSE_CMD_SETRATE);
+
+/*
+ * We also set the resolution and scaling.
+ */
+
+ param[0] = 3;
+ psmouse_command(psmouse, param, PSMOUSE_CMD_SETRES);
+ psmouse_command(psmouse, NULL, PSMOUSE_CMD_SETSCALE11);
+
+/*
+ * We set the mouse into streaming mode.
+ */
+
+ psmouse_command(psmouse, param, PSMOUSE_CMD_SETSTREAM);
+
+/*
+ * Last, we enable the mouse so that we get reports from it.
+ */
+
+ if (psmouse_command(psmouse, NULL, PSMOUSE_CMD_ENABLE))
+ printk(KERN_WARNING "psmouse.c: Failed to enable mouse on %s\n", psmouse->serio->phys);
+
+}
+
+/*
+ * psmouse_cleanup() resets the mouse into power-on state.
+ */
+
+static void psmouse_cleanup(struct serio *serio)
+{
+ struct psmouse *psmouse = serio->private;
+ unsigned char param[2];
+ psmouse_command(psmouse, param, PSMOUSE_CMD_RESET_BAT);
+}
+
+/*
+ * psmouse_disconnect() closes and frees.
+ */
+
+static void psmouse_disconnect(struct serio *serio)
+{
+ struct psmouse *psmouse = serio->private;
+ input_unregister_device(&psmouse->dev);
+ serio_close(serio);
+ synaptics_disconnect(psmouse);
+ kfree(psmouse);
+}
+
+/*
+ * psmouse_connect() is a callback from the serio module when
+ * an unhandled serio port is found.
+ */
+
+static void psmouse_connect(struct serio *serio, struct serio_dev *dev)
+{
+ struct psmouse *psmouse;
+
+ if ((serio->type & SERIO_TYPE) != SERIO_8042)
+ return;
+
+ if (!(psmouse = kmalloc(sizeof(struct psmouse), GFP_KERNEL)))
+ return;
+
+ memset(psmouse, 0, sizeof(struct psmouse));
+
+ init_input_dev(&psmouse->dev);
+ psmouse->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_REL);
+ psmouse->dev.keybit[LONG(BTN_MOUSE)] = BIT(BTN_LEFT) | BIT(BTN_MIDDLE) | BIT(BTN_RIGHT);
+ psmouse->dev.relbit[0] = BIT(REL_X) | BIT(REL_Y);
+
+ psmouse->serio = serio;
+ psmouse->dev.private = psmouse;
+
+ serio->private = psmouse;
+
+ if (serio_open(serio, dev)) {
+ kfree(psmouse);
+ return;
+ }
+
+ if (psmouse_probe(psmouse) <= 0) {
+ serio_close(serio);
+ kfree(psmouse);
+ return;
+ }
+
+ sprintf(psmouse->devname, "%s %s %s",
+ psmouse_protocols[psmouse->type], psmouse->vendor, psmouse->name);
+ sprintf(psmouse->phys, "%s/input0",
+ serio->phys);
+
+ psmouse->dev.name = psmouse->devname;
+ psmouse->dev.phys = psmouse->phys;
+ psmouse->dev.id.bustype = BUS_I8042;
+ psmouse->dev.id.vendor = 0x0002;
+ psmouse->dev.id.product = psmouse->type;
+ psmouse->dev.id.version = psmouse->model;
+
+ input_register_device(&psmouse->dev);
+
+ printk(KERN_INFO "input: %s on %s\n", psmouse->devname, serio->phys);
+
+ psmouse_initialize(psmouse);
+}
+
+static struct serio_dev psmouse_dev = {
+ .interrupt = psmouse_interrupt,
+ .connect = psmouse_connect,
+ .disconnect = psmouse_disconnect,
+ .cleanup = psmouse_cleanup,
+};
+
+#ifndef MODULE
+static int __init psmouse_setup(char *str)
+{
+ psmouse_noext = 1;
+ return 1;
+}
+__setup("psmouse_noext", psmouse_setup);
+#endif
+
+int __init psmouse_init(void)
+{
+ serio_register_device(&psmouse_dev);
+ return 0;
+}
+
+void __exit psmouse_exit(void)
+{
+ serio_unregister_device(&psmouse_dev);
+}
+
+module_init(psmouse_init);
+module_exit(psmouse_exit);
diff -Nru a/drivers/input/mouse/psmouse.c b/drivers/input/mouse/psmouse.c
--- a/drivers/input/mouse/psmouse.c Sun Jun 15 10:37:48 2003
+++ /dev/null Wed Dec 31 16:00:00 1969
@@ -1,689 +0,0 @@
-/*
- * PS/2 mouse driver
- *
- * Copyright (c) 1999-2002 Vojtech Pavlik
- */
-
-/*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- */
-
-#include <linux/delay.h>
-#include <linux/module.h>
-#include <linux/slab.h>
-#include <linux/interrupt.h>
-#include <linux/input.h>
-#include <linux/serio.h>
-#include <linux/init.h>
-
-MODULE_AUTHOR("Vojtech Pavlik <vojtech@suse.cz>");
-MODULE_DESCRIPTION("PS/2 mouse driver");
-MODULE_PARM(psmouse_noext, "1i");
-MODULE_LICENSE("GPL");
-
-static int psmouse_noext;
-
-#define PSMOUSE_CMD_SETSCALE11 0x00e6
-#define PSMOUSE_CMD_SETRES 0x10e8
-#define PSMOUSE_CMD_GETINFO 0x03e9
-#define PSMOUSE_CMD_SETSTREAM 0x00ea
-#define PSMOUSE_CMD_POLL 0x03eb
-#define PSMOUSE_CMD_GETID 0x02f2
-#define PSMOUSE_CMD_SETRATE 0x10f3
-#define PSMOUSE_CMD_ENABLE 0x00f4
-#define PSMOUSE_CMD_RESET_DIS 0x00f6
-#define PSMOUSE_CMD_RESET_BAT 0x02ff
-
-#define PSMOUSE_RET_BAT 0xaa
-#define PSMOUSE_RET_ACK 0xfa
-#define PSMOUSE_RET_NAK 0xfe
-
-struct psmouse {
- struct input_dev dev;
- struct serio *serio;
- char *vendor;
- char *name;
- unsigned char cmdbuf[8];
- unsigned char packet[8];
- unsigned char cmdcnt;
- unsigned char pktcnt;
- unsigned char type;
- unsigned char model;
- unsigned long last;
- char acking;
- volatile char ack;
- char error;
- char devname[64];
- char phys[32];
-};
-
-#define PSMOUSE_PS2 1
-#define PSMOUSE_PS2PP 2
-#define PSMOUSE_PS2TPP 3
-#define PSMOUSE_GENPS 4
-#define PSMOUSE_IMPS 5
-#define PSMOUSE_IMEX 6
-
-static char *psmouse_protocols[] = { "None", "PS/2", "PS2++", "PS2T++", "GenPS/2", "ImPS/2", "ImExPS/2" };
-
-/*
- * psmouse_process_packet() anlyzes the PS/2 mouse packet contents and
- * reports relevant events to the input module.
- */
-
-static void psmouse_process_packet(struct psmouse *psmouse, struct pt_regs *regs)
-{
- struct input_dev *dev = &psmouse->dev;
- unsigned char *packet = psmouse->packet;
-
- input_regs(dev, regs);
-
-/*
- * The PS2++ protocol is a little bit complex
- */
-
- if (psmouse->type == PSMOUSE_PS2PP || psmouse->type == PSMOUSE_PS2TPP) {
-
- if ((packet[0] & 0x40) == 0x40 && abs((int)packet[1] - (((int)packet[0] & 0x10) << 4)) > 191 ) {
-
- switch (((packet[1] >> 4) & 0x03) | ((packet[0] >> 2) & 0x0c)) {
-
- case 1: /* Mouse extra info */
-
- input_report_rel(dev, packet[2] & 0x80 ? REL_HWHEEL : REL_WHEEL,
- (int) (packet[2] & 8) - (int) (packet[2] & 7));
- input_report_key(dev, BTN_SIDE, (packet[2] >> 4) & 1);
- input_report_key(dev, BTN_EXTRA, (packet[2] >> 5) & 1);
-
- break;
-
- case 3: /* TouchPad extra info */
-
- input_report_rel(dev, packet[2] & 0x08 ? REL_HWHEEL : REL_WHEEL,
- (int) ((packet[2] >> 4) & 8) - (int) ((packet[2] >> 4) & 7));
- packet[0] = packet[2] | 0x08;
-
- break;
-
-#ifdef DEBUG
- default:
- printk(KERN_WARNING "psmouse.c: Received PS2++ packet #%x, but don't know how to handle.\n",
- ((packet[1] >> 4) & 0x03) | ((packet[0] >> 2) & 0x0c));
-#endif
-
- }
-
- packet[0] &= 0x0f;
- packet[1] = 0;
- packet[2] = 0;
-
- }
- }
-
-/*
- * Scroll wheel on IntelliMice, scroll buttons on NetMice
- */
-
- if (psmouse->type == PSMOUSE_IMPS || psmouse->type == PSMOUSE_GENPS)
- input_report_rel(dev, REL_WHEEL, -(signed char) packet[3]);
-
-/*
- * Scroll wheel and buttons on IntelliMouse Explorer
- */
-
- if (psmouse->type == PSMOUSE_IMEX) {
- input_report_rel(dev, REL_WHEEL, (int) (packet[3] & 8) - (int) (packet[3] & 7));
- input_report_key(dev, BTN_SIDE, (packet[3] >> 4) & 1);
- input_report_key(dev, BTN_EXTRA, (packet[3] >> 5) & 1);
- }
-
-/*
- * Extra buttons on Genius NewNet 3D
- */
-
- if (psmouse->type == PSMOUSE_GENPS) {
- input_report_key(dev, BTN_SIDE, (packet[0] >> 6) & 1);
- input_report_key(dev, BTN_EXTRA, (packet[0] >> 7) & 1);
- }
-
-/*
- * Generic PS/2 Mouse
- */
-
- input_report_key(dev, BTN_LEFT, packet[0] & 1);
- input_report_key(dev, BTN_MIDDLE, (packet[0] >> 2) & 1);
- input_report_key(dev, BTN_RIGHT, (packet[0] >> 1) & 1);
-
- input_report_rel(dev, REL_X, packet[1] ? (int) packet[1] - (int) ((packet[0] << 4) & 0x100) : 0);
- input_report_rel(dev, REL_Y, packet[2] ? (int) ((packet[0] << 3) & 0x100) - (int) packet[2] : 0);
-
- input_sync(dev);
-}
-
-/*
- * psmouse_interrupt() handles incoming characters, either gathering them into
- * packets or passing them to the command routine as command output.
- */
-
-static irqreturn_t psmouse_interrupt(struct serio *serio,
- unsigned char data, unsigned int flags, struct pt_regs *regs)
-{
- struct psmouse *psmouse = serio->private;
-
- if (psmouse->acking) {
- switch (data) {
- case PSMOUSE_RET_ACK:
- psmouse->ack = 1;
- break;
- case PSMOUSE_RET_NAK:
- psmouse->ack = -1;
- break;
- default:
- psmouse->ack = 1; /* Workaround for mice which don't ACK the Get ID command */
- if (psmouse->cmdcnt)
- psmouse->cmdbuf[--psmouse->cmdcnt] = data;
- break;
- }
- psmouse->acking = 0;
- goto out;
- }
-
- if (psmouse->cmdcnt) {
- psmouse->cmdbuf[--psmouse->cmdcnt] = data;
- goto out;
- }
-
- if (psmouse->pktcnt && time_after(jiffies, psmouse->last + HZ/2)) {
- printk(KERN_WARNING "psmouse.c: Lost synchronization, throwing %d bytes away.\n", psmouse->pktcnt);
- psmouse->pktcnt = 0;
- }
-
- psmouse->last = jiffies;
- psmouse->packet[psmouse->pktcnt++] = data;
-
- if (psmouse->pktcnt == 3 + (psmouse->type >= PSMOUSE_GENPS)) {
- psmouse_process_packet(psmouse, regs);
- psmouse->pktcnt = 0;
- goto out;
- }
-
- if (psmouse->pktcnt == 1 && psmouse->packet[0] == PSMOUSE_RET_BAT) {
- serio_rescan(serio);
- goto out;
- }
-out:
- return IRQ_HANDLED;
-}
-
-/*
- * psmouse_sendbyte() sends a byte to the mouse, and waits for acknowledge.
- * It doesn't handle retransmission, though it could - because when there would
- * be need for retransmissions, the mouse has to be replaced anyway.
- */
-
-static int psmouse_sendbyte(struct psmouse *psmouse, unsigned char byte)
-{
- int timeout = 10000; /* 100 msec */
- psmouse->ack = 0;
- psmouse->acking = 1;
-
- if (serio_write(psmouse->serio, byte)) {
- psmouse->acking = 0;
- return -1;
- }
-
- while (!psmouse->ack && timeout--) udelay(10);
-
- return -(psmouse->ack <= 0);
-}
-
-/*
- * psmouse_command() sends a command and its parameters to the mouse,
- * then waits for the response and puts it in the param array.
- */
-
-static int psmouse_command(struct psmouse *psmouse, unsigned char *param, int command)
-{
- int timeout = 500000; /* 500 msec */
- int send = (command >> 12) & 0xf;
- int receive = (command >> 8) & 0xf;
- int i;
-
- psmouse->cmdcnt = receive;
-
- if (command == PSMOUSE_CMD_RESET_BAT)
- timeout = 2000000; /* 2 sec */
-
- if (command & 0xff)
- if (psmouse_sendbyte(psmouse, command & 0xff))
- return (psmouse->cmdcnt = 0) - 1;
-
- for (i = 0; i < send; i++)
- if (psmouse_sendbyte(psmouse, param[i]))
- return (psmouse->cmdcnt = 0) - 1;
-
- while (psmouse->cmdcnt && timeout--) {
-
- if (psmouse->cmdcnt == 1 && command == PSMOUSE_CMD_RESET_BAT)
- timeout = 100000;
-
- if (psmouse->cmdcnt == 1 && command == PSMOUSE_CMD_GETID &&
- psmouse->cmdbuf[1] != 0xab && psmouse->cmdbuf[1] != 0xac) {
- psmouse->cmdcnt = 0;
- break;
- }
-
- udelay(1);
- }
-
- for (i = 0; i < receive; i++)
- param[i] = psmouse->cmdbuf[(receive - 1) - i];
-
- if (psmouse->cmdcnt)
- return (psmouse->cmdcnt = 0) - 1;
-
- return 0;
-}
-
-/*
- * psmouse_ps2pp_cmd() sends a PS2++ command, sliced into two bit
- * pieces through the SETRES command. This is needed to send extended
- * commands to mice on notebooks that try to understand the PS/2 protocol
- * Ugly.
- */
-
-static int psmouse_ps2pp_cmd(struct psmouse *psmouse, unsigned char *param, unsigned char command)
-{
- unsigned char d;
- int i;
-
- if (psmouse_command(psmouse, NULL, PSMOUSE_CMD_SETSCALE11))
- return -1;
-
- for (i = 6; i >= 0; i -= 2) {
- d = (command >> i) & 3;
- if(psmouse_command(psmouse, &d, PSMOUSE_CMD_SETRES))
- return -1;
- }
-
- if (psmouse_command(psmouse, param, PSMOUSE_CMD_POLL))
- return -1;
-
- return 0;
-}
-
-/*
- * psmouse_extensions() probes for any extensions to the basic PS/2 protocol
- * the mouse may have.
- */
-
-static int psmouse_extensions(struct psmouse *psmouse)
-{
- unsigned char param[4];
-
- param[0] = 0;
- psmouse->vendor = "Generic";
- psmouse->name = "Mouse";
- psmouse->model = 0;
-
- if (psmouse_noext)
- return PSMOUSE_PS2;
-
-/*
- * Try Synaptics TouchPad magic ID
- */
-
- param[0] = 0;
- psmouse_command(psmouse, param, PSMOUSE_CMD_SETRES);
- psmouse_command(psmouse, param, PSMOUSE_CMD_SETRES);
- psmouse_command(psmouse, param, PSMOUSE_CMD_SETRES);
- psmouse_command(psmouse, param, PSMOUSE_CMD_SETRES);
- psmouse_command(psmouse, param, PSMOUSE_CMD_GETINFO);
-
- if (param[1] == 0x47) {
- /* We could do more here. But it's sufficient just
- to stop the subsequent probes from screwing the
- thing up. */
- psmouse->vendor = "Synaptics";
- psmouse->name = "TouchPad";
- return PSMOUSE_PS2;
- }
-
-/*
- * Try Genius NetMouse magic init.
- */
-
- param[0] = 3;
- psmouse_command(psmouse, param, PSMOUSE_CMD_SETRES);
- psmouse_command(psmouse, NULL, PSMOUSE_CMD_SETSCALE11);
- psmouse_command(psmouse, NULL, PSMOUSE_CMD_SETSCALE11);
- psmouse_command(psmouse, NULL, PSMOUSE_CMD_SETSCALE11);
- psmouse_command(psmouse, param, PSMOUSE_CMD_GETINFO);
-
- if (param[0] == 0x00 && param[1] == 0x33 && param[2] == 0x55) {
-
- set_bit(BTN_EXTRA, psmouse->dev.keybit);
- set_bit(BTN_SIDE, psmouse->dev.keybit);
- set_bit(REL_WHEEL, psmouse->dev.relbit);
-
- psmouse->vendor = "Genius";
- psmouse->name = "Wheel Mouse";
- return PSMOUSE_GENPS;
- }
-
-/*
- * Try Logitech magic ID.
- */
-
- param[0] = 0;
- psmouse_command(psmouse, param, PSMOUSE_CMD_SETRES);
- psmouse_command(psmouse, NULL, PSMOUSE_CMD_SETSCALE11);
- psmouse_command(psmouse, NULL, PSMOUSE_CMD_SETSCALE11);
- psmouse_command(psmouse, NULL, PSMOUSE_CMD_SETSCALE11);
- psmouse_command(psmouse, param, PSMOUSE_CMD_GETINFO);
-
- if (param[1]) {
-
- int i;
- static int logitech_4btn[] = { 12, 40, 41, 42, 43, 52, 73, 80, -1 };
- static int logitech_wheel[] = { 52, 53, 75, 76, 80, 81, 83, 88, -1 };
- static int logitech_ps2pp[] = { 12, 13, 40, 41, 42, 43, 50, 51, 52, 53, 73, 75,
- 76, 80, 81, 83, 88, 96, 97, -1 };
- psmouse->vendor = "Logitech";
- psmouse->model = ((param[0] >> 4) & 0x07) | ((param[0] << 3) & 0x78);
-
- if (param[1] < 3)
- clear_bit(BTN_MIDDLE, psmouse->dev.keybit);
- if (param[1] < 2)
- clear_bit(BTN_RIGHT, psmouse->dev.keybit);
-
- psmouse->type = PSMOUSE_PS2;
-
- for (i = 0; logitech_ps2pp[i] != -1; i++)
- if (logitech_ps2pp[i] == psmouse->model)
- psmouse->type = PSMOUSE_PS2PP;
-
- if (psmouse->type == PSMOUSE_PS2PP) {
-
- for (i = 0; logitech_4btn[i] != -1; i++)
- if (logitech_4btn[i] == psmouse->model)
- set_bit(BTN_SIDE, psmouse->dev.keybit);
-
- for (i = 0; logitech_wheel[i] != -1; i++)
- if (logitech_wheel[i] == psmouse->model) {
- set_bit(REL_WHEEL, psmouse->dev.relbit);
- psmouse->name = "Wheel Mouse";
- }
-
-/*
- * Do Logitech PS2++ / PS2T++ magic init.
- */
-
- if (psmouse->model == 97) { /* TouchPad 3 */
-
- set_bit(REL_WHEEL, psmouse->dev.relbit);
- set_bit(REL_HWHEEL, psmouse->dev.relbit);
-
- param[0] = 0x11; param[1] = 0x04; param[2] = 0x68; /* Unprotect RAM */
- psmouse_command(psmouse, param, 0x30d1);
- param[0] = 0x11; param[1] = 0x05; param[2] = 0x0b; /* Enable features */
- psmouse_command(psmouse, param, 0x30d1);
- param[0] = 0x11; param[1] = 0x09; param[2] = 0xc3; /* Enable PS2++ */
- psmouse_command(psmouse, param, 0x30d1);
-
- param[0] = 0;
- if (!psmouse_command(psmouse, param, 0x13d1) &&
- param[0] == 0x06 && param[1] == 0x00 && param[2] == 0x14)
- return PSMOUSE_PS2TPP;
-
- } else {
- param[0] = param[1] = param[2] = 0;
-
- psmouse_ps2pp_cmd(psmouse, param, 0x39); /* Magic knock */
- psmouse_ps2pp_cmd(psmouse, param, 0xDB);
-
- if ((param[0] & 0x78) == 0x48 && (param[1] & 0xf3) == 0xc2 &&
- (param[2] & 3) == ((param[1] >> 2) & 3))
- return PSMOUSE_PS2PP;
- }
- }
- }
-
-/*
- * Try IntelliMouse magic init.
- */
-
- param[0] = 200;
- psmouse_command(psmouse, param, PSMOUSE_CMD_SETRATE);
- param[0] = 100;
- psmouse_command(psmouse, param, PSMOUSE_CMD_SETRATE);
- param[0] = 80;
- psmouse_command(psmouse, param, PSMOUSE_CMD_SETRATE);
- psmouse_command(psmouse, param, PSMOUSE_CMD_GETID);
-
- if (param[0] == 3) {
-
- set_bit(REL_WHEEL, psmouse->dev.relbit);
-
-/*
- * Try IntelliMouse/Explorer magic init.
- */
-
- param[0] = 200;
- psmouse_command(psmouse, param, PSMOUSE_CMD_SETRATE);
- param[0] = 200;
- psmouse_command(psmouse, param, PSMOUSE_CMD_SETRATE);
- param[0] = 80;
- psmouse_command(psmouse, param, PSMOUSE_CMD_SETRATE);
- psmouse_command(psmouse, param, PSMOUSE_CMD_GETID);
-
- if (param[0] == 4) {
-
- set_bit(BTN_SIDE, psmouse->dev.keybit);
- set_bit(BTN_EXTRA, psmouse->dev.keybit);
-
- psmouse->name = "Explorer Mouse";
- return PSMOUSE_IMEX;
- }
-
- psmouse->name = "Wheel Mouse";
- return PSMOUSE_IMPS;
- }
-
-/*
- * Okay, all failed, we have a standard mouse here. The number of the buttons
- * is still a question, though. We assume 3.
- */
-
- return PSMOUSE_PS2;
-}
-
-/*
- * psmouse_probe() probes for a PS/2 mouse.
- */
-
-static int psmouse_probe(struct psmouse *psmouse)
-{
- unsigned char param[2];
-
-/*
- * First, we check if it's a mouse. It should send 0x00 or 0x03
- * in case of an IntelliMouse in 4-byte mode or 0x04 for IM Explorer.
- */
-
- param[0] = param[1] = 0xa5;
-
- if (psmouse_command(psmouse, param, PSMOUSE_CMD_GETID))
- return -1;
-
- if (param[0] != 0x00 && param[0] != 0x03 && param[0] != 0x04)
- return -1;
-
-/*
- * Then we reset and disable the mouse so that it doesn't generate events.
- */
-
- if (psmouse_command(psmouse, NULL, PSMOUSE_CMD_RESET_DIS))
- return -1;
-
-/*
- * And here we try to determine if it has any extensions over the
- * basic PS/2 3-button mouse.
- */
-
- return psmouse->type = psmouse_extensions(psmouse);
-}
-
-/*
- * psmouse_initialize() initializes the mouse to a sane state.
- */
-
-static void psmouse_initialize(struct psmouse *psmouse)
-{
- unsigned char param[2];
-
-/*
- * We set the mouse report rate to a highest possible value.
- * We try 100 first in case mouse fails to set 200.
- */
-
- param[0] = 100;
- psmouse_command(psmouse, param, PSMOUSE_CMD_SETRATE);
-
- param[0] = 200;
- psmouse_command(psmouse, param, PSMOUSE_CMD_SETRATE);
-
-/*
- * We also set the resolution and scaling.
- */
-
- param[0] = 3;
- psmouse_command(psmouse, param, PSMOUSE_CMD_SETRES);
- psmouse_command(psmouse, NULL, PSMOUSE_CMD_SETSCALE11);
-
-/*
- * We set the mouse into streaming mode.
- */
-
- psmouse_command(psmouse, param, PSMOUSE_CMD_SETSTREAM);
-
-/*
- * Last, we enable the mouse so that we get reports from it.
- */
-
- if (psmouse_command(psmouse, NULL, PSMOUSE_CMD_ENABLE))
- printk(KERN_WARNING "psmouse.c: Failed to enable mouse on %s\n", psmouse->serio->phys);
-
-}
-
-/*
- * psmouse_cleanup() resets the mouse into power-on state.
- */
-
-static void psmouse_cleanup(struct serio *serio)
-{
- struct psmouse *psmouse = serio->private;
- unsigned char param[2];
- psmouse_command(psmouse, param, PSMOUSE_CMD_RESET_BAT);
-}
-
-/*
- * psmouse_disconnect() closes and frees.
- */
-
-static void psmouse_disconnect(struct serio *serio)
-{
- struct psmouse *psmouse = serio->private;
- input_unregister_device(&psmouse->dev);
- serio_close(serio);
- kfree(psmouse);
-}
-
-/*
- * psmouse_connect() is a callback from the serio module when
- * an unhandled serio port is found.
- */
-
-static void psmouse_connect(struct serio *serio, struct serio_dev *dev)
-{
- struct psmouse *psmouse;
-
- if ((serio->type & SERIO_TYPE) != SERIO_8042)
- return;
-
- if (!(psmouse = kmalloc(sizeof(struct psmouse), GFP_KERNEL)))
- return;
-
- memset(psmouse, 0, sizeof(struct psmouse));
-
- init_input_dev(&psmouse->dev);
- psmouse->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_REL);
- psmouse->dev.keybit[LONG(BTN_MOUSE)] = BIT(BTN_LEFT) | BIT(BTN_MIDDLE) | BIT(BTN_RIGHT);
- psmouse->dev.relbit[0] = BIT(REL_X) | BIT(REL_Y);
-
- psmouse->serio = serio;
- psmouse->dev.private = psmouse;
-
- serio->private = psmouse;
-
- if (serio_open(serio, dev)) {
- kfree(psmouse);
- return;
- }
-
- if (psmouse_probe(psmouse) <= 0) {
- serio_close(serio);
- kfree(psmouse);
- return;
- }
-
- sprintf(psmouse->devname, "%s %s %s",
- psmouse_protocols[psmouse->type], psmouse->vendor, psmouse->name);
- sprintf(psmouse->phys, "%s/input0",
- serio->phys);
-
- psmouse->dev.name = psmouse->devname;
- psmouse->dev.phys = psmouse->phys;
- psmouse->dev.id.bustype = BUS_I8042;
- psmouse->dev.id.vendor = 0x0002;
- psmouse->dev.id.product = psmouse->type;
- psmouse->dev.id.version = psmouse->model;
-
- input_register_device(&psmouse->dev);
-
- printk(KERN_INFO "input: %s on %s\n", psmouse->devname, serio->phys);
-
- psmouse_initialize(psmouse);
-}
-
-static struct serio_dev psmouse_dev = {
- .interrupt = psmouse_interrupt,
- .connect = psmouse_connect,
- .disconnect = psmouse_disconnect,
- .cleanup = psmouse_cleanup,
-};
-
-#ifndef MODULE
-static int __init psmouse_setup(char *str)
-{
- psmouse_noext = 1;
- return 1;
-}
-__setup("psmouse_noext", psmouse_setup);
-#endif
-
-int __init psmouse_init(void)
-{
- serio_register_device(&psmouse_dev);
- return 0;
-}
-
-void __exit psmouse_exit(void)
-{
- serio_unregister_device(&psmouse_dev);
-}
-
-module_init(psmouse_init);
-module_exit(psmouse_exit);
diff -Nru a/drivers/input/mouse/psmouse.h b/drivers/input/mouse/psmouse.h
--- /dev/null Wed Dec 31 16:00:00 1969
+++ b/drivers/input/mouse/psmouse.h Sun Jun 15 10:37:48 2003
@@ -0,0 +1,49 @@
+#ifndef _PSMOUSE_H
+#define _PSMOUSE_H
+
+#define PSMOUSE_CMD_SETSCALE11 0x00e6
+#define PSMOUSE_CMD_SETRES 0x10e8
+#define PSMOUSE_CMD_GETINFO 0x03e9
+#define PSMOUSE_CMD_SETSTREAM 0x00ea
+#define PSMOUSE_CMD_POLL 0x03eb
+#define PSMOUSE_CMD_GETID 0x02f2
+#define PSMOUSE_CMD_SETRATE 0x10f3
+#define PSMOUSE_CMD_ENABLE 0x00f4
+#define PSMOUSE_CMD_RESET_DIS 0x00f6
+#define PSMOUSE_CMD_RESET_BAT 0x02ff
+
+#define PSMOUSE_RET_BAT 0xaa
+#define PSMOUSE_RET_ACK 0xfa
+#define PSMOUSE_RET_NAK 0xfe
+
+struct psmouse {
+ void *private;
+ struct input_dev dev;
+ struct serio *serio;
+ char *vendor;
+ char *name;
+ unsigned char cmdbuf[8];
+ unsigned char packet[8];
+ unsigned char cmdcnt;
+ unsigned char pktcnt;
+ unsigned char type;
+ unsigned char model;
+ unsigned long last;
+ char acking;
+ volatile char ack;
+ char error;
+ char devname[64];
+ char phys[32];
+};
+
+#define PSMOUSE_PS2 1
+#define PSMOUSE_PS2PP 2
+#define PSMOUSE_PS2TPP 3
+#define PSMOUSE_GENPS 4
+#define PSMOUSE_IMPS 5
+#define PSMOUSE_IMEX 6
+#define PSMOUSE_SYNAPTICS 7
+
+int psmouse_command(struct psmouse *psmouse, unsigned char *param, int command);
+
+#endif /* _PSMOUSE_H */
diff -Nru a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
--- /dev/null Wed Dec 31 16:00:00 1969
+++ b/drivers/input/mouse/synaptics.c Sun Jun 15 10:37:48 2003
@@ -0,0 +1,390 @@
+/*
+ * Synaptics TouchPad PS/2 mouse driver
+ *
+ * 2003 Peter Osterlund <petero2@telia.com>
+ * Ported to 2.5 input device infrastructure.
+ *
+ * Copyright (C) 2001 Stefan Gmeiner <riddlebox@freesurf.ch>
+ * start merging tpconfig and gpm code to a xfree-input module
+ * adding some changes and extensions (ex. 3rd and 4th button)
+ *
+ * Copyright (c) 1997 C. Scott Ananian <cananian@alumni.priceton.edu>
+ * Copyright (c) 1998-2000 Bruce Kalk <kall@compass.com>
+ * code for the special synaptics commands (from the tpconfig-source)
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * Trademarks are the property of their respective owners.
+ */
+
+#include <linux/module.h>
+#include <linux/input.h>
+#include "psmouse.h"
+#include "synaptics.h"
+
+/*****************************************************************************
+ * Synaptics communications functions
+ ****************************************************************************/
+
+/*
+ * Use the Synaptics extended ps/2 syntax to write a special command byte.
+ * special command: 0xE8 rr 0xE8 ss 0xE8 tt 0xE8 uu where (rr*64)+(ss*16)+(tt*4)+uu
+ * is the command. A 0xF3 or 0xE9 must follow (see synaptics_send_cmd
+ * and synaptics_set_mode)
+ */
+static int synaptics_special_cmd(struct psmouse *psmouse, unsigned char command)
+{
+ int i;
+
+ if (psmouse_command(psmouse, NULL, PSMOUSE_CMD_SETSCALE11))
+ return -1;
+
+ for (i = 6; i >= 0; i -= 2) {
+ unsigned char d = (command >> i) & 3;
+ if (psmouse_command(psmouse, &d, PSMOUSE_CMD_SETRES))
+ return -1;
+ }
+
+ return 0;
+}
+
+/*
+ * Send a command to the synpatics touchpad by special commands
+ */
+static int synaptics_send_cmd(struct psmouse *psmouse, unsigned char c, unsigned char *param)
+{
+ if (synaptics_special_cmd(psmouse, c))
+ return -1;
+ if (psmouse_command(psmouse, param, PSMOUSE_CMD_GETINFO))
+ return -1;
+ return 0;
+}
+
+/*
+ * Set the synaptics touchpad mode byte by special commands
+ */
+static int synaptics_set_mode(struct psmouse *psmouse, unsigned char mode)
+{
+ unsigned char param[1];
+
+ if (synaptics_special_cmd(psmouse, mode))
+ return -1;
+ param[0] = 0x14;
+ if (psmouse_command(psmouse, param, PSMOUSE_CMD_SETRATE))
+ return -1;
+ return 0;
+}
+
+static int synaptics_reset(struct psmouse *psmouse)
+{
+ unsigned char r[2];
+
+ if (psmouse_command(psmouse, r, PSMOUSE_CMD_RESET_BAT))
+ return -1;
+ if (r[0] == 0xAA && r[1] == 0x00)
+ return 0;
+ return -1;
+}
+
+/*
+ * Read the model-id bytes from the touchpad
+ * see also SYN_MODEL_* macros
+ */
+static int synaptics_model_id(struct psmouse *psmouse, unsigned long int *model_id)
+{
+ unsigned char mi[3];
+
+ if (synaptics_send_cmd(psmouse, SYN_QUE_MODEL, mi))
+ return -1;
+ *model_id = (mi[0]<<16) | (mi[1]<<8) | mi[2];
+ return 0;
+}
+
+/*
+ * Read the capability-bits from the touchpad
+ * see also the SYN_CAP_* macros
+ */
+static int synaptics_capability(struct psmouse *psmouse, unsigned long int *capability)
+{
+ unsigned char cap[3];
+
+ if (synaptics_send_cmd(psmouse, SYN_QUE_CAPABILITIES, cap))
+ return -1;
+ *capability = (cap[0]<<16) | (cap[1]<<8) | cap[2];
+ if (SYN_CAP_VALID(*capability))
+ return 0;
+ return -1;
+}
+
+/*
+ * Identify Touchpad
+ * See also the SYN_ID_* macros
+ */
+static int synaptics_identify(struct psmouse *psmouse, unsigned long int *ident)
+{
+ unsigned char id[3];
+
+ if (synaptics_send_cmd(psmouse, SYN_QUE_IDENTIFY, id))
+ return -1;
+ *ident = (id[0]<<16) | (id[1]<<8) | id[2];
+ if (SYN_ID_IS_SYNAPTICS(*ident))
+ return 0;
+ return -1;
+}
+
+static int synaptics_enable_device(struct psmouse *psmouse)
+{
+ if (psmouse_command(psmouse, NULL, PSMOUSE_CMD_ENABLE))
+ return -1;
+ return 0;
+}
+
+static void print_ident(struct synaptics_data *priv)
+{
+ printk(KERN_INFO "Synaptics Touchpad, model: %ld\n", SYN_ID_MODEL(priv->identity));
+ printk(KERN_INFO " Firware: %ld.%ld\n", SYN_ID_MAJOR(priv->identity),
+ SYN_ID_MINOR(priv->identity));
+
+ if (SYN_MODEL_ROT180(priv->model_id))
+ printk(KERN_INFO " 180 degree mounted touchpad\n");
+ if (SYN_MODEL_PORTRAIT(priv->model_id))
+ printk(KERN_INFO " portrait touchpad\n");
+ printk(KERN_INFO " Sensor: %ld\n", SYN_MODEL_SENSOR(priv->model_id));
+ if (SYN_MODEL_NEWABS(priv->model_id))
+ printk(KERN_INFO " new absolute packet format\n");
+ if (SYN_MODEL_PEN(priv->model_id))
+ printk(KERN_INFO " pen detection\n");
+
+ if (SYN_CAP_EXTENDED(priv->capabilities)) {
+ printk(KERN_INFO " Touchpad has extended capability bits\n");
+ if (SYN_CAP_FOUR_BUTTON(priv->capabilities))
+ printk(KERN_INFO " -> four buttons\n");
+ if (SYN_CAP_MULTIFINGER(priv->capabilities))
+ printk(KERN_INFO " -> multifinger detection\n");
+ if (SYN_CAP_PALMDETECT(priv->capabilities))
+ printk(KERN_INFO " -> palm detection\n");
+ }
+}
+
+static int query_hardware(struct psmouse *psmouse)
+{
+ struct synaptics_data *priv = psmouse->private;
+ int retries = 3;
+
+ while ((retries++ <= 3) && synaptics_reset(psmouse))
+ printk(KERN_ERR "synaptics reset failed\n");
+
+ if (synaptics_identify(psmouse, &priv->identity))
+ return -1;
+ if (synaptics_model_id(psmouse, &priv->model_id))
+ return -1;
+ if (synaptics_capability(psmouse, &priv->capabilities))
+ return -1;
+ if (synaptics_set_mode(psmouse, (SYN_BIT_ABSOLUTE_MODE |
+ SYN_BIT_HIGH_RATE |
+ SYN_BIT_DISABLE_GESTURE |
+ SYN_BIT_W_MODE)))
+ return -1;
+
+ synaptics_enable_device(psmouse);
+
+ print_ident(priv);
+
+ return 0;
+}
+
+/*****************************************************************************
+ * Driver initialization/cleanup functions
+ ****************************************************************************/
+
+static inline void set_abs_params(struct input_dev *dev, int axis, int min, int max, int fuzz, int flat)
+{
+ dev->absmin[axis] = min;
+ dev->absmax[axis] = max;
+ dev->absfuzz[axis] = fuzz;
+ dev->absflat[axis] = flat;
+
+ set_bit(axis, dev->absbit);
+}
+
+int synaptics_init(struct psmouse *psmouse)
+{
+ struct synaptics_data *priv;
+
+ psmouse->private = priv = kmalloc(sizeof(struct synaptics_data), GFP_KERNEL);
+ if (!priv)
+ return -1;
+ memset(priv, 0, sizeof(struct synaptics_data));
+
+ priv->inSync = 1;
+
+ if (query_hardware(psmouse)) {
+ printk(KERN_ERR "Unable to query/initialize Synaptics hardware.\n");
+ goto init_fail;
+ }
+
+ /*
+ * The x/y limits are taken from the Synaptics TouchPad interfacing Guide,
+ * which says that they should be valid regardless of the actual size of
+ * the senser.
+ */
+ set_bit(EV_ABS, psmouse->dev.evbit);
+ set_abs_params(&psmouse->dev, ABS_X, 1472, 5472, 0, 0);
+ set_abs_params(&psmouse->dev, ABS_Y, 1408, 4448, 0, 0);
+ set_abs_params(&psmouse->dev, ABS_PRESSURE, 0, 255, 0, 0);
+
+ set_bit(EV_MSC, psmouse->dev.evbit);
+ set_bit(MSC_GESTURE, psmouse->dev.mscbit);
+
+ set_bit(EV_KEY, psmouse->dev.evbit);
+ set_bit(BTN_LEFT, psmouse->dev.keybit);
+ set_bit(BTN_RIGHT, psmouse->dev.keybit);
+ set_bit(BTN_FORWARD, psmouse->dev.keybit);
+ set_bit(BTN_BACK, psmouse->dev.keybit);
+
+ clear_bit(EV_REL, psmouse->dev.evbit);
+ clear_bit(REL_X, psmouse->dev.relbit);
+ clear_bit(REL_Y, psmouse->dev.relbit);
+
+ return 0;
+
+ init_fail:
+ kfree(priv);
+ return -1;
+}
+
+void synaptics_disconnect(struct psmouse *psmouse)
+{
+ struct synaptics_data *priv = psmouse->private;
+
+ kfree(priv);
+}
+
+/*****************************************************************************
+ * Functions to interpret the absolute mode packets
+ ****************************************************************************/
+
+static void synaptics_parse_hw_state(struct synaptics_data *priv,
+ struct synaptics_hw_state *hw)
+{
+ unsigned char *buf = priv->proto_buf;
+
+ hw->x = (((buf[3] & 0x10) << 8) |
+ ((buf[1] & 0x0f) << 8) |
+ buf[4]);
+ hw->y = (((buf[3] & 0x20) << 7) |
+ ((buf[1] & 0xf0) << 4) |
+ buf[5]);
+
+ hw->z = buf[2];
+ hw->w = (((buf[0] & 0x30) >> 2) |
+ ((buf[0] & 0x04) >> 1) |
+ ((buf[3] & 0x04) >> 2));
+
+ hw->left = (buf[0] & 0x01) ? 1 : 0;
+ hw->right = (buf[0] & 0x2) ? 1 : 0;
+ hw->up = 0;
+ hw->down = 0;
+
+ if (SYN_CAP_EXTENDED(priv->capabilities) &&
+ (SYN_CAP_FOUR_BUTTON(priv->capabilities))) {
+ hw->up = ((buf[3] & 0x01)) ? 1 : 0;
+ if (hw->left)
+ hw->up = !hw->up;
+ hw->down = ((buf[3] & 0x02)) ? 1 : 0;
+ if (hw->right)
+ hw->down = !hw->down;
+ }
+}
+
+/*
+ * called for each full received packet from the touchpad
+ */
+static void synaptics_process_packet(struct psmouse *psmouse)
+{
+ struct input_dev *dev = &psmouse->dev;
+ struct synaptics_data *priv = psmouse->private;
+ struct synaptics_hw_state hw;
+
+ synaptics_parse_hw_state(priv, &hw);
+
+ if (hw.z > 0) {
+ int w_ok = 0;
+ /*
+ * Use capability bits to decide if the w value is valid.
+ * If not, set it to 5, which corresponds to a finger of
+ * normal width.
+ */
+ if (SYN_CAP_EXTENDED(priv->capabilities)) {
+ switch (hw.w) {
+ case 0 ... 1:
+ w_ok = SYN_CAP_MULTIFINGER(priv->capabilities);
+ break;
+ case 2:
+ w_ok = SYN_MODEL_PEN(priv->model_id);
+ break;
+ case 4 ... 15:
+ w_ok = SYN_CAP_PALMDETECT(priv->capabilities);
+ break;
+ }
+ }
+ if (!w_ok)
+ hw.w = 5;
+ }
+
+ /* Post events */
+ input_report_abs(dev, ABS_X, hw.x);
+ input_report_abs(dev, ABS_Y, hw.y);
+ input_report_abs(dev, ABS_PRESSURE, hw.z);
+
+ if (hw.w != priv->old_w) {
+ input_event(dev, EV_MSC, MSC_GESTURE, hw.w);
+ priv->old_w = hw.w;
+ }
+
+ input_report_key(dev, BTN_LEFT, hw.left);
+ input_report_key(dev, BTN_RIGHT, hw.right);
+ input_report_key(dev, BTN_FORWARD, hw.up);
+ input_report_key(dev, BTN_BACK, hw.down);
+
+ input_sync(dev);
+}
+
+void synaptics_process_byte(struct psmouse *psmouse, struct pt_regs *regs)
+{
+ struct input_dev *dev = &psmouse->dev;
+ struct synaptics_data *priv = psmouse->private;
+ unsigned char *pBuf = priv->proto_buf;
+ unsigned char u = psmouse->packet[0];
+
+ input_regs(dev, regs);
+
+ pBuf[priv->proto_buf_tail++] = u;
+
+ /* check first byte */
+ if ((priv->proto_buf_tail == 1) && ((u & 0xC8) != 0x80)) {
+ priv->inSync = 0;
+ priv->proto_buf_tail = 0;
+ printk(KERN_WARNING "Synaptics driver lost sync at 1st byte\n");
+ return;
+ }
+
+ /* check 4th byte */
+ if ((priv->proto_buf_tail == 4) && ((u & 0xc8) != 0xc0)) {
+ priv->inSync = 0;
+ priv->proto_buf_tail = 0;
+ printk(KERN_WARNING "Synaptics driver lost sync at 4th byte\n");
+ return;
+ }
+
+ if (priv->proto_buf_tail >= 6) { /* Full packet received */
+ if (!priv->inSync) {
+ priv->inSync = 1;
+ printk(KERN_NOTICE "Synaptics driver resynced.\n");
+ }
+ synaptics_process_packet(psmouse);
+ priv->proto_buf_tail = 0;
+ }
+}
diff -Nru a/drivers/input/mouse/synaptics.h b/drivers/input/mouse/synaptics.h
--- /dev/null Wed Dec 31 16:00:00 1969
+++ b/drivers/input/mouse/synaptics.h Sun Jun 15 10:37:48 2003
@@ -0,0 +1,105 @@
+/*
+ * Synaptics TouchPad PS/2 mouse driver
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ */
+
+#ifndef _SYNAPTICS_H
+#define _SYNAPTICS_H
+
+#ifdef CONFIG_MOUSE_PS2_SYNAPTICS
+
+extern void synaptics_process_byte(struct psmouse *psmouse, struct pt_regs *regs);
+extern int synaptics_init(struct psmouse *psmouse);
+extern void synaptics_disconnect(struct psmouse *psmouse);
+
+#else
+
+static inline void synaptics_process_byte(struct psmouse *psmouse, struct pt_regs *regs) {}
+static inline int synaptics_init(struct psmouse *psmouse) { return -1; }
+static inline void synaptics_disconnect(struct psmouse *psmouse) {}
+
+#endif
+
+
+/* synaptics queries */
+#define SYN_QUE_IDENTIFY 0x00
+#define SYN_QUE_MODES 0x01
+#define SYN_QUE_CAPABILITIES 0x02
+#define SYN_QUE_MODEL 0x03
+#define SYN_QUE_SERIAL_NUMBER_PREFIX 0x06
+#define SYN_QUE_SERIAL_NUMBER_SUFFIX 0x07
+#define SYN_QUE_RESOLUTION 0x08
+
+/* synatics modes */
+#define SYN_BIT_ABSOLUTE_MODE (1 << 7)
+#define SYN_BIT_HIGH_RATE (1 << 6)
+#define SYN_BIT_SLEEP_MODE (1 << 3)
+#define SYN_BIT_DISABLE_GESTURE (1 << 2)
+#define SYN_BIT_W_MODE (1 << 0)
+
+/* synaptics model ID bits */
+#define SYN_MODEL_ROT180(m) ((m) & (1 << 23))
+#define SYN_MODEL_PORTRAIT(m) ((m) & (1 << 22))
+#define SYN_MODEL_SENSOR(m) (((m) >> 16) & 0x3f)
+#define SYN_MODEL_HARDWARE(m) (((m) >> 9) & 0x7f)
+#define SYN_MODEL_NEWABS(m) ((m) & (1 << 7))
+#define SYN_MODEL_PEN(m) ((m) & (1 << 6))
+#define SYN_MODEL_SIMPLIC(m) ((m) & (1 << 5))
+#define SYN_MODEL_GEOMETRY(m) ((m) & 0x0f)
+
+/* synaptics capability bits */
+#define SYN_CAP_EXTENDED(c) ((c) & (1 << 23))
+#define SYN_CAP_SLEEP(c) ((c) & (1 << 4))
+#define SYN_CAP_FOUR_BUTTON(c) ((c) & (1 << 3))
+#define SYN_CAP_MULTIFINGER(c) ((c) & (1 << 1))
+#define SYN_CAP_PALMDETECT(c) ((c) & (1 << 0))
+#define SYN_CAP_VALID(c) ((((c) & 0x00ff00) >> 8) == 0x47)
+
+/* synaptics modes query bits */
+#define SYN_MODE_ABSOLUTE(m) ((m) & (1 << 7))
+#define SYN_MODE_RATE(m) ((m) & (1 << 6))
+#define SYN_MODE_BAUD_SLEEP(m) ((m) & (1 << 3))
+#define SYN_MODE_DISABLE_GESTURE(m) ((m) & (1 << 2))
+#define SYN_MODE_PACKSIZE(m) ((m) & (1 << 1))
+#define SYN_MODE_WMODE(m) ((m) & (1 << 0))
+
+/* synaptics identify query bits */
+#define SYN_ID_MODEL(i) (((i) >> 4) & 0x0f)
+#define SYN_ID_MAJOR(i) ((i) & 0x0f)
+#define SYN_ID_MINOR(i) (((i) >> 16) & 0xff)
+#define SYN_ID_IS_SYNAPTICS(i) ((((i) >> 8) & 0xff) == 0x47)
+
+/*
+ * A structure to describe the state of the touchpad hardware (buttons and pad)
+ */
+
+struct synaptics_hw_state {
+ int x;
+ int y;
+ int z;
+ int w;
+ int left;
+ int right;
+ int up;
+ int down;
+};
+
+struct synaptics_data {
+ /* Data read from the touchpad */
+ unsigned long int model_id; /* Model-ID */
+ unsigned long int capabilities; /* Capabilities */
+ unsigned long int identity; /* Identification */
+
+ /* Data for normal processing */
+ unsigned char proto_buf[6]; /* Buffer for Packet */
+ unsigned char last_byte; /* last received byte */
+ int inSync; /* Packets in sync */
+ int proto_buf_tail;
+
+ int old_w; /* Previous w value */
+};
+
+#endif /* _SYNAPTICS_H */
diff -Nru a/include/linux/input.h b/include/linux/input.h
--- a/include/linux/input.h Sun Jun 15 10:37:48 2003
+++ b/include/linux/input.h Sun Jun 15 10:37:48 2003
@@ -530,6 +530,7 @@

#define MSC_SERIAL 0x00
#define MSC_PULSELED 0x01
+#define MSC_GESTURE 0x02
#define MSC_MAX 0x07

/*You can pull this changeset from:
bk://kernel.bkbits.net/vojtech/input

===================================================================

ChangeSet@1.1334, 2003-06-15 10:35:42+02:00, vojtech@suse.cz
input: Add Logitech MX PS2++ support, move Logitech PS2++ code to a
separate source file, always enable Synaptics support.


drivers/input/mouse/Kconfig | 15 --
drivers/input/mouse/Makefile | 5
drivers/input/mouse/logips2pp.c | 231 +++++++++++++++++++++++++++++++++++++
drivers/input/mouse/logips2pp.h | 17 ++
drivers/input/mouse/psmouse-base.c | 193 +++++++++---------------------
drivers/input/mouse/psmouse.h | 2
include/linux/input.h | 1
7 files changed, 313 insertions(+), 151 deletions(-)

===================================================================

diff -Nru a/drivers/input/mouse/Kconfig b/drivers/input/mouse/Kconfig
--- a/drivers/input/mouse/Kconfig Sun Jun 15 10:36:20 2003
+++ b/drivers/input/mouse/Kconfig Sun Jun 15 10:36:20 2003
@@ -19,7 +19,7 @@
Say Y here if you have a PS/2 mouse connected to your system. This
includes the standard 2 or 3-button PS/2 mouse, as well as PS/2
mice with wheels and extra buttons, Microsoft, Logitech or Genius
- compatible.
+ compatible. Support for Synaptics TouchPads is also included.

If unsure, say Y.

@@ -27,19 +27,6 @@
inserted in and removed from the running kernel whenever you want).
The module will be called psmouse. If you want to compile it as a
module, say M here and read <file:Documentation/modules.txt>.
-
-config MOUSE_PS2_SYNAPTICS
- bool "Synaptics TouchPad"
- default n
- depends on INPUT && INPUT_MOUSE && SERIO && MOUSE_PS2
- ---help---
- Say Y here if you have a Synaptics TouchPad connected to your system.
- This touchpad is found on many modern laptop computers.
- Note that you also need a user space driver to interpret the data
- generated by the kernel. A compatible driver for XFree86 is available
- from http://...
-
- If unsure, say Y.

config MOUSE_SERIAL
tristate "Serial mouse"
diff -Nru a/drivers/input/mouse/Makefile b/drivers/input/mouse/Makefile
--- a/drivers/input/mouse/Makefile Sun Jun 15 10:36:20 2003
+++ b/drivers/input/mouse/Makefile Sun Jun 15 10:36:20 2003
@@ -14,7 +14,4 @@
obj-$(CONFIG_MOUSE_PS2) += psmouse.o
obj-$(CONFIG_MOUSE_SERIAL) += sermouse.o

-psmouse-objs := psmouse-base.o
-ifeq ($(CONFIG_MOUSE_PS2_SYNAPTICS),y)
- psmouse-objs += synaptics.o
-endif
+psmouse-objs := psmouse-base.o logips2pp.o synaptics.o
diff -Nru a/drivers/input/mouse/logips2pp.c b/drivers/input/mouse/logips2pp.c
--- /dev/null Wed Dec 31 16:00:00 1969
+++ b/drivers/input/mouse/logips2pp.c Sun Jun 15 10:36:20 2003
@@ -0,0 +1,231 @@
+/*
+ * Logitech PS/2++ mouse driver
+ *
+ * Copyright (c) 1999-2003 Vojtech Pavlik <vojtech@suse.cz>
+ * Copyright (c) 2003 Eric Wong <eric@yhbt.net>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ */
+
+#include <linux/input.h>
+#include "psmouse.h"
+#include "logips2pp.h"
+
+/*
+ * Process a PS2++ or PS2T++ packet.
+ */
+
+void ps2pp_process_packet(struct psmouse *psmouse)
+{
+ struct input_dev *dev = &psmouse->dev;
+ unsigned char *packet = psmouse->packet;
+
+ if ((packet[0] & 0x48) == 0x48 && (packet[1] & 0x02) == 0x02) {
+
+ switch ((packet[1] >> 4) | (packet[0] & 0x30)) {
+
+ case 0x0d: /* Mouse extra info */
+
+ input_report_rel(dev, packet[2] & 0x80 ? REL_HWHEEL : REL_WHEEL,
+ (int) (packet[2] & 8) - (int) (packet[2] & 7));
+ input_report_key(dev, BTN_SIDE, (packet[2] >> 4) & 1);
+ input_report_key(dev, BTN_EXTRA, (packet[2] >> 5) & 1);
+
+ break;
+
+ case 0x0e: /* buttons 4, 5, 6, 7, 8, 9, 10 info */
+
+ input_report_key(dev, BTN_SIDE, (packet[2]) & 1);
+ input_report_key(dev, BTN_EXTRA, (packet[2] >> 1) & 1);
+ input_report_key(dev, BTN_BACK, (packet[2] >> 3) & 1);
+ input_report_key(dev, BTN_FORWARD, (packet[2] >> 4) & 1);
+ input_report_key(dev, BTN_TASK, (packet[2] >> 2) & 1);
+
+ break;
+
+ case 0x0f: /* TouchPad extra info */
+
+ input_report_rel(dev, packet[2] & 0x08 ? REL_HWHEEL : REL_WHEEL,
+ (int) ((packet[2] >> 4) & 8) - (int) ((packet[2] >> 4) & 7));
+ packet[0] = packet[2] | 0x08;
+ break;
+
+#ifdef DEBUG
+ default:
+ printk(KERN_WARNING "psmouse.c: Received PS2++ packet #%x, but don't know how to handle.\n",
+ (packet[1] >> 4) | (packet[0] & 0x30));
+#endif
+ }
+
+ packet[0] &= 0x0f;
+ packet[1] = 0;
+ packet[2] = 0;
+
+ }
+}
+
+/*
+ * ps2pp_cmd() sends a PS2++ command, sliced into two bit
+ * pieces through the SETRES command. This is needed to send extended
+ * commands to mice on notebooks that try to understand the PS/2 protocol
+ * Ugly.
+ */
+
+static int ps2pp_cmd(struct psmouse *psmouse, unsigned char *param, unsigned char command)
+{
+ unsigned char d;
+ int i;
+
+ if (psmouse_command(psmouse, NULL, PSMOUSE_CMD_SETSCALE11))
+ return -1;
+
+ for (i = 6; i >= 0; i -= 2) {
+ d = (command >> i) & 3;
+ if(psmouse_command(psmouse, &d, PSMOUSE_CMD_SETRES))
+ return -1;
+ }
+
+ if (psmouse_command(psmouse, param, PSMOUSE_CMD_POLL))
+ return -1;
+
+ return 0;
+}
+
+/*
+ * SmartScroll / CruiseControl for some newer Logitech mice Defaults to
+ * enabled if we do nothing to it. Of course I put this in because I want it
+ * disabled :P
+ * 1 - enabled (if previously disabled, also default)
+ * 0/2 - disabled
+ */
+
+static void ps2pp_set_smartscroll(struct psmouse *psmouse)
+{
+ unsigned char param[4];
+
+ ps2pp_cmd(psmouse, param, 0x32);
+
+ param[0] = 0;
+ psmouse_command(psmouse, param, PSMOUSE_CMD_SETRES);
+ psmouse_command(psmouse, param, PSMOUSE_CMD_SETRES);
+ psmouse_command(psmouse, param, PSMOUSE_CMD_SETRES);
+
+ if (psmouse_smartscroll == 1)
+ param[0] = 1;
+ else
+ if (psmouse_smartscroll > 2)
+ return;
+
+ /* else leave param[0] == 0 to disable */
+ psmouse_command(psmouse, param, PSMOUSE_CMD_SETRES);
+}
+
+/*
+ * Support 800 dpi resolution _only_ if the user wants it (there are good
+ * reasons to not use it even if the mouse supports it, and of course there are
+ * also good reasons to use it, let the user decide).
+ */
+
+void ps2pp_set_800dpi(struct psmouse *psmouse)
+{
+ unsigned char param = 3;
+ psmouse_command(psmouse, NULL, PSMOUSE_CMD_SETSCALE11);
+ psmouse_command(psmouse, NULL, PSMOUSE_CMD_SETSCALE11);
+ psmouse_command(psmouse, NULL, PSMOUSE_CMD_SETSCALE11);
+ psmouse_command(psmouse, &param, PSMOUSE_CMD_SETRES);
+}
+
+/*
+ * Detect the exact model and features of a PS2++ or PS2T++ Logitech mouse or
+ * touchpad.
+ */
+
+int ps2pp_detect_model(struct psmouse *psmouse)
+{
+ unsigned char param[4];
+
+ int i;
+ static int logitech_4btn[] = { 12, 40, 41, 42, 43, 52, 73, 80, -1 };
+ static int logitech_wheel[] = { 52, 53, 75, 76, 80, 81, 83, 88, 112, -1 };
+ static int logitech_ps2pp[] = { 12, 13, 40, 41, 42, 43, 50, 51, 52, 53, 73, 75,
+ 76, 80, 81, 83, 88, 96, 97, 112, -1 };
+ static int logitech_mx[] = { 112, -1 };
+
+ psmouse->vendor = "Logitech";
+ psmouse->model = ((param[0] >> 4) & 0x07) | ((param[0] << 3) & 0x78);
+
+ if (param[1] < 3)
+ clear_bit(BTN_MIDDLE, psmouse->dev.keybit);
+ if (param[1] < 2)
+ clear_bit(BTN_RIGHT, psmouse->dev.keybit);
+
+ psmouse->type = PSMOUSE_PS2;
+
+ for (i = 0; logitech_ps2pp[i] != -1; i++)
+ if (logitech_ps2pp[i] == psmouse->model)
+ psmouse->type = PSMOUSE_PS2PP;
+
+ if (psmouse->type == PSMOUSE_PS2PP) {
+
+ for (i = 0; logitech_4btn[i] != -1; i++)
+ if (logitech_4btn[i] == psmouse->model)
+ set_bit(BTN_SIDE, psmouse->dev.keybit);
+
+ for (i = 0; logitech_wheel[i] != -1; i++)
+ if (logitech_wheel[i] == psmouse->model) {
+ set_bit(REL_WHEEL, psmouse->dev.relbit);
+ psmouse->name = "Wheel Mouse";
+ }
+
+ for (i = 0; logitech_mx[i] != -1; i++)
+ if (logitech_mx[i] == psmouse->model) {
+ set_bit(BTN_SIDE, psmouse->dev.keybit);
+ set_bit(BTN_EXTRA, psmouse->dev.keybit);
+ set_bit(BTN_BACK, psmouse->dev.keybit);
+ set_bit(BTN_FORWARD, psmouse->dev.keybit);
+ set_bit(BTN_TASK, psmouse->dev.keybit);
+ psmouse->name = "MX Mouse";
+ }
+
+/*
+ * Do Logitech PS2++ / PS2T++ magic init.
+ */
+
+ if (psmouse->model == 97) { /* TouchPad 3 */
+
+ set_bit(REL_WHEEL, psmouse->dev.relbit);
+ set_bit(REL_HWHEEL, psmouse->dev.relbit);
+
+ param[0] = 0x11; param[1] = 0x04; param[2] = 0x68; /* Unprotect RAM */
+ psmouse_command(psmouse, param, 0x30d1);
+ param[0] = 0x11; param[1] = 0x05; param[2] = 0x0b; /* Enable features */
+ psmouse_command(psmouse, param, 0x30d1);
+ param[0] = 0x11; param[1] = 0x09; param[2] = 0xc3; /* Enable PS2++ */
+ psmouse_command(psmouse, param, 0x30d1);
+
+ param[0] = 0;
+ if (!psmouse_command(psmouse, param, 0x13d1) &&
+ param[0] == 0x06 && param[1] == 0x00 && param[2] == 0x14) {
+ psmouse->name = "TouchPad 3";
+ return PSMOUSE_PS2TPP;
+ }
+
+ } else {
+
+ ps2pp_set_smartscroll(psmouse);
+
+ param[0] = param[1] = param[2] = 0;
+
+ ps2pp_cmd(psmouse, param, 0x39); /* Magic knock */
+ ps2pp_cmd(psmouse, param, 0xDB);
+
+ if ((param[0] & 0x78) == 0x48 && (param[1] & 0xf3) == 0xc2 &&
+ (param[2] & 3) == ((param[1] >> 2) & 3))
+ return PSMOUSE_PS2PP;
+ }
+ }
+
+ return 0;
+}
diff -Nru a/drivers/input/mouse/logips2pp.h b/drivers/input/mouse/logips2pp.h
--- /dev/null Wed Dec 31 16:00:00 1969
+++ b/drivers/input/mouse/logips2pp.h Sun Jun 15 10:36:20 2003
@@ -0,0 +1,17 @@
+/*
+ * Logitech PS/2++ mouse driver header
+ *
+ * Copyright (c) 2003 Vojtech Pavlik <vojtech@suse.cz>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ */
+
+#ifndef _LOGIPS2PP_H
+#define _LOGIPS2PP_H
+struct psmouse;
+void ps2pp_process_packet(struct psmouse *psmouse);
+void ps2pp_set_800dpi(struct psmouse *psmouse);
+int ps2pp_detect_model(struct psmouse *psmouse);
+#endif
diff -Nru a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c
--- a/drivers/input/mouse/psmouse-base.c Sun Jun 15 10:36:20 2003
+++ b/drivers/input/mouse/psmouse-base.c Sun Jun 15 10:36:20 2003
@@ -19,13 +19,23 @@
#include <linux/init.h>
#include "psmouse.h"
#include "synaptics.h"
+#include "logips2pp.h"

MODULE_AUTHOR("Vojtech Pavlik <vojtech@suse.cz>");
MODULE_DESCRIPTION("PS/2 mouse driver");
MODULE_PARM(psmouse_noext, "1i");
+MODULE_PARM_DESC(psmouse_noext, "Disable any protocol extensions. Useful for KVM switches.");
+MODULE_PARM(psmouse_resolution, "i");
+MODULE_PARM_DESC(psmouse_resolution, "Resolution, in dpi.");
+MODULE_PARM(psmouse_smartscroll, "i");
+MODULE_PARM_DESC(psmouse_smartscroll, "Logitech Smartscroll autorepeat, 1 = enabled (default), 0 = disabled.");
MODULE_LICENSE("GPL");

+#define PSMOUSE_LOGITECH_SMARTSCROLL 1
+
static int psmouse_noext;
+int psmouse_resolution;
+int psmouse_smartscroll = PSMOUSE_LOGITECH_SMARTSCROLL;

static char *psmouse_protocols[] = { "None", "PS/2", "PS2++", "PS2T++", "GenPS/2", "ImPS/2", "ImExPS/2", "Synaptics"};

@@ -45,43 +55,8 @@
* The PS2++ protocol is a little bit complex
*/

- if (psmouse->type == PSMOUSE_PS2PP || psmouse->type == PSMOUSE_PS2TPP) {
-
- if ((packet[0] & 0x40) == 0x40 && abs((int)packet[1] - (((int)packet[0] & 0x10) << 4)) > 191 ) {
-
- switch (((packet[1] >> 4) & 0x03) | ((packet[0] >> 2) & 0x0c)) {
-
- case 1: /* Mouse extra info */
-
- input_report_rel(dev, packet[2] & 0x80 ? REL_HWHEEL : REL_WHEEL,
- (int) (packet[2] & 8) - (int) (packet[2] & 7));
- input_report_key(dev, BTN_SIDE, (packet[2] >> 4) & 1);
- input_report_key(dev, BTN_EXTRA, (packet[2] >> 5) & 1);
-
- break;
-
- case 3: /* TouchPad extra info */
-
- input_report_rel(dev, packet[2] & 0x08 ? REL_HWHEEL : REL_WHEEL,
- (int) ((packet[2] >> 4) & 8) - (int) ((packet[2] >> 4) & 7));
- packet[0] = packet[2] | 0x08;
-
- break;
-
-#ifdef DEBUG
- default:
- printk(KERN_WARNING "psmouse.c: Received PS2++ packet #%x, but don't know how to handle.\n",
- ((packet[1] >> 4) & 0x03) | ((packet[0] >> 2) & 0x0c));
-#endif
-
- }
-
- packet[0] &= 0x0f;
- packet[1] = 0;
- packet[2] = 0;
-
- }
- }
+ if (psmouse->type == PSMOUSE_PS2PP || psmouse->type == PSMOUSE_PS2TPP)
+ ps2pp_process_packet(psmouse);

/*
* Scroll wheel on IntelliMice, scroll buttons on NetMice
@@ -259,33 +234,6 @@
}

/*
- * psmouse_ps2pp_cmd() sends a PS2++ command, sliced into two bit
- * pieces through the SETRES command. This is needed to send extended
- * commands to mice on notebooks that try to understand the PS/2 protocol
- * Ugly.
- */
-
-static int psmouse_ps2pp_cmd(struct psmouse *psmouse, unsigned char *param, unsigned char command)
-{
- unsigned char d;
- int i;
-
- if (psmouse_command(psmouse, NULL, PSMOUSE_CMD_SETSCALE11))
- return -1;
-
- for (i = 6; i >= 0; i -= 2) {
- d = (command >> i) & 3;
- if(psmouse_command(psmouse, &d, PSMOUSE_CMD_SETRES))
- return -1;
- }
-
- if (psmouse_command(psmouse, param, PSMOUSE_CMD_POLL))
- return -1;
-
- return 0;
-}
-
-/*
* psmouse_extensions() probes for any extensions to the basic PS/2 protocol
* the mouse may have.
*/
@@ -353,73 +301,13 @@
psmouse_command(psmouse, NULL, PSMOUSE_CMD_SETSCALE11);
psmouse_command(psmouse, NULL, PSMOUSE_CMD_SETSCALE11);
psmouse_command(psmouse, NULL, PSMOUSE_CMD_SETSCALE11);
+ param[1] = 0;
psmouse_command(psmouse, param, PSMOUSE_CMD_GETINFO);

if (param[1]) {
-
- int i;
- static int logitech_4btn[] = { 12, 40, 41, 42, 43, 52, 73, 80, -1 };
- static int logitech_wheel[] = { 52, 53, 75, 76, 80, 81, 83, 88, -1 };
- static int logitech_ps2pp[] = { 12, 13, 40, 41, 42, 43, 50, 51, 52, 53, 73, 75,
- 76, 80, 81, 83, 88, 96, 97, -1 };
- psmouse->vendor = "Logitech";
- psmouse->model = ((param[0] >> 4) & 0x07) | ((param[0] << 3) & 0x78);
-
- if (param[1] < 3)
- clear_bit(BTN_MIDDLE, psmouse->dev.keybit);
- if (param[1] < 2)
- clear_bit(BTN_RIGHT, psmouse->dev.keybit);
-
- psmouse->type = PSMOUSE_PS2;
-
- for (i = 0; logitech_ps2pp[i] != -1; i++)
- if (logitech_ps2pp[i] == psmouse->model)
- psmouse->type = PSMOUSE_PS2PP;
-
- if (psmouse->type == PSMOUSE_PS2PP) {
-
- for (i = 0; logitech_4btn[i] != -1; i++)
- if (logitech_4btn[i] == psmouse->model)
- set_bit(BTN_SIDE, psmouse->dev.keybit);
-
- for (i = 0; logitech_wheel[i] != -1; i++)
- if (logitech_wheel[i] == psmouse->model) {
- set_bit(REL_WHEEL, psmouse->dev.relbit);
- psmouse->name = "Wheel Mouse";
- }
-
-/*
- * Do Logitech PS2++ / PS2T++ magic init.
- */
-
- if (psmouse->model == 97) { /* TouchPad 3 */
-
- set_bit(REL_WHEEL, psmouse->dev.relbit);
- set_bit(REL_HWHEEL, psmouse->dev.relbit);
-
- param[0] = 0x11; param[1] = 0x04; param[2] = 0x68; /* Unprotect RAM */
- psmouse_command(psmouse, param, 0x30d1);
- param[0] = 0x11; param[1] = 0x05; param[2] = 0x0b; /* Enable features */
- psmouse_command(psmouse, param, 0x30d1);
- param[0] = 0x11; param[1] = 0x09; param[2] = 0xc3; /* Enable PS2++ */
- psmouse_command(psmouse, param, 0x30d1);
-
- param[0] = 0;
- if (!psmouse_command(psmouse, param, 0x13d1) &&
- param[0] == 0x06 && param[1] == 0x00 && param[2] == 0x14)
- return PSMOUSE_PS2TPP;
-
- } else {
- param[0] = param[1] = param[2] = 0;
-
- psmouse_ps2pp_cmd(psmouse, param, 0x39); /* Magic knock */
- psmouse_ps2pp_cmd(psmouse, param, 0xDB);
-
- if ((param[0] & 0x78) == 0x48 && (param[1] & 0xf3) == 0xc2 &&
- (param[2] & 3) == ((param[1] >> 2) & 3))
- return PSMOUSE_PS2PP;
- }
- }
+ int type = ps2pp_detect_model(psmouse);
+ if (type)
+ return type;
}

/*
@@ -508,6 +396,31 @@
}

/*
+ * Here we set the mouse resolution.
+ */
+
+static void psmouse_set_resolution(struct psmouse *psmouse)
+{
+ unsigned char param[1];
+
+ if (psmouse->type == PSMOUSE_PS2PP && psmouse_resolution > 400) {
+ ps2pp_set_800dpi(psmouse);
+ return;
+ }
+
+ if (!psmouse_resolution || psmouse_resolution >= 200)
+ param[0] = 3;
+ else if (psmouse_resolution >= 100)
+ param[0] = 2;
+ else if (psmouse_resolution >= 50)
+ param[0] = 1;
+ else if (psmouse_resolution)
+ param[0] = 0;
+
+ psmouse_command(psmouse, param, PSMOUSE_CMD_SETRES);
+}
+
+/*
* psmouse_initialize() initializes the mouse to a sane state.
*/

@@ -519,7 +432,6 @@
* We set the mouse report rate to a highest possible value.
* We try 100 first in case mouse fails to set 200.
*/
-
param[0] = 100;
psmouse_command(psmouse, param, PSMOUSE_CMD_SETRATE);

@@ -530,8 +442,7 @@
* We also set the resolution and scaling.
*/

- param[0] = 3;
- psmouse_command(psmouse, param, PSMOUSE_CMD_SETRES);
+ psmouse_set_resolution(psmouse);
psmouse_command(psmouse, NULL, PSMOUSE_CMD_SETSCALE11);

/*
@@ -638,12 +549,28 @@
};

#ifndef MODULE
-static int __init psmouse_setup(char *str)
+static int __init psmouse_noext_setup(char *str)
{
psmouse_noext = 1;
return 1;
}
-__setup("psmouse_noext", psmouse_setup);
+
+static int __init psmouse_resolution_setup(char *str)
+{
+ get_option(&str, &psmouse_resolution);
+ return 1;
+}
+
+static int __init psmouse_smartscroll_setup(char *str)
+{
+ get_option(&str, &psmouse_smartscroll);
+ return 1;
+}
+
+__setup("psmouse_noext", psmouse_noext_setup);
+__setup("psmouse_res=", psmouse_resolution_setup);
+__setup("psmouse_sms=", psmouse_smartscroll_setup);
+
#endif

int __init psmouse_init(void)
diff -Nru a/drivers/input/mouse/psmouse.h b/drivers/input/mouse/psmouse.h
--- a/drivers/input/mouse/psmouse.h Sun Jun 15 10:36:20 2003
+++ b/drivers/input/mouse/psmouse.h Sun Jun 15 10:36:20 2003
@@ -46,4 +46,6 @@

int psmouse_command(struct psmouse *psmouse, unsigned char *param, int command);

+extern int psmouse_smartscroll;
+
#endif /* _PSMOUSE_H */
diff -Nru a/include/linux/input.h b/include/linux/input.h
--- a/include/linux/input.h Sun Jun 15 10:36:20 2003
+++ b/include/linux/input.h Sun Jun 15 10:36:20 2003
@@ -358,6 +358,7 @@
#define BTN_EXTRA 0x114
#define BTN_FORWARD 0x115
#define BTN_BACK 0x116
+#define BTN_TASK 0x117

#define BTN_JOYSTICK 0x120
#define BTN_TRIGGER 0x120
\
 
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