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>
diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig
index a6b989a..5239e25 100644
--- a/drivers/input/keyboard/Kconfig
+++ b/drivers/input/keyboard/Kconfig
@@ -187,7 +187,7 @@
submenu.
config KEYBOARD_HIL
- tristate "HP HIL keyboard support"
+ tristate "HP HIL keyboard/pointer support"
depends on GSC || HP300
default y
select HP_SDC
@@ -196,7 +196,8 @@
help
The "Human Interface Loop" is a older, 8-channel USB-like
controller used in several Hewlett Packard models.
- This driver implements support for HIL-keyboards attached
+ This driver implements support for HIL-keyboards and pointing
+ devices (mice, tablets, touchscreens) attached
to your machine, so normally you should say Y here.
config KEYBOARD_HP6XX
diff --git a/drivers/input/keyboard/hil_kbd.c b/drivers/input/keyboard/hil_kbd.c
index 235a669..c83f4b2 100644
--- a/drivers/input/keyboard/hil_kbd.c
+++ b/drivers/input/keyboard/hil_kbd.c
@@ -41,13 +41,13 @@
#include <linux/slab.h>
#include <linux/pci_ids.h>
-#define PREFIX "HIL KEYB: "
-#define HIL_GENERIC_NAME "HIL keyboard"
+#define PREFIX "HIL: "
MODULE_AUTHOR("Brian S. Julin <bri@calyx.com>");
-MODULE_DESCRIPTION(HIL_GENERIC_NAME " driver");
+MODULE_DESCRIPTION("HIL keyboard/mouse driver");
MODULE_LICENSE("Dual BSD/GPL");
-MODULE_ALIAS("serio:ty03pr25id00ex*");
+MODULE_ALIAS("serio:ty03pr25id00ex*"); /* HIL keyboard */
+MODULE_ALIAS("serio:ty03pr25id0Fex*"); /* HIL mouse */
#define HIL_PACKET_MAX_LENGTH 16
@@ -82,6 +82,11 @@
char rnm[HIL_PACKET_MAX_LENGTH + 1]; /* RNM record + NULL term. */
struct completion cmd_done;
+
+ bool is_pointer;
+ /* Extra device details needed for pointing devices. */
+ unsigned int nbtn, naxes;
+ unsigned int btnmap[7];
};
static bool hil_dev_is_command_response(hil_packet p)
@@ -139,7 +144,7 @@
complete(&dev->cmd_done);
}
-static void hil_dev_handle_key_events(struct hil_dev *kbd)
+static void hil_dev_handle_kbd_events(struct hil_dev *kbd)
{
struct input_dev *dev = kbd->dev;
int idx = kbd->idx4 / 4;
@@ -198,6 +203,67 @@
input_sync(dev);
}
+static void hil_dev_handle_ptr_events(struct hil_dev *ptr)
+{
+ struct input_dev *dev = ptr->dev;
+ int idx = ptr->idx4 / 4;
+ hil_packet p = ptr->data[idx - 1];
+ int i, cnt, laxis;
+ bool absdev, ax16;
+
+ if ((p & HIL_CMDCT_POL) != idx - 1) {
+ printk(KERN_WARNING PREFIX
+ "Malformed poll packet %x (idx = %i)\n", p, idx);
+ return;
+ }
+
+ i = (p & HIL_POL_AXIS_ALT) ? 3 : 0;
+ laxis = (p & HIL_POL_NUM_AXES_MASK) + 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 = ptr->data[cnt++];
+ int up = btn & 1;
+
+ btn &= 0xfe;
+ if (btn == 0x8e)
+ continue; /* TODO: proximity == touch? */
+ if (btn > 0x8c || btn < 0x80)
+ continue;
+ btn = (btn - 0x80) >> 1;
+ btn = ptr->btnmap[btn];
+ input_report_key(dev, btn, !up);
+ }
+
+ input_sync(dev);
+}
+
static void hil_dev_process_err(struct hil_dev *dev)
{
printk(KERN_WARNING PREFIX "errored HIL packet\n");
@@ -234,8 +300,10 @@
} else if (packet & HIL_PKT_CMD) {
if (hil_dev_is_command_response(packet))
hil_dev_handle_command_response(dev);
+ else if (dev->is_pointer)
+ hil_dev_handle_ptr_events(dev);
else
- hil_dev_handle_key_events(dev);
+ hil_dev_handle_kbd_events(dev);
dev->idx4 = 0;
}
}
@@ -251,15 +319,130 @@
serio_close(serio);
input_unregister_device(dev->dev);
+ serio_set_drvdata(serio, NULL);
kfree(dev);
}
+static void hil_dev_keyboard_setup(struct hil_dev *kbd)
+{
+ struct input_dev *input_dev = kbd->dev;
+ uint8_t did = kbd->idd[0];
+ int i;
+
+ input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP);
+ input_dev->ledbit[0] = BIT_MASK(LED_NUML) | BIT_MASK(LED_CAPSL) |
+ BIT_MASK(LED_SCROLLL);
+
+ for (i = 0; i < 128; i++) {
+ __set_bit(hil_kbd_set1[i], input_dev->keybit);
+ __set_bit(hil_kbd_set3[i], input_dev->keybit);
+ }
+ __clear_bit(KEY_RESERVED, input_dev->keybit);
+
+ input_dev->keycodemax = HIL_KEYCODES_SET1_TBLSIZE;
+ input_dev->keycodesize = sizeof(hil_kbd_set1[0]);
+ input_dev->keycode = hil_kbd_set1;
+
+ input_dev->name = strlen(kbd->rnm) ? kbd->rnm : "HIL keyboard";
+ input_dev->phys = "hpkbd/input0";
+
+ printk(KERN_INFO PREFIX "HIL keyboard found (did = 0x%02x, lang = %s)\n",
+ did, hil_language[did & HIL_IDD_DID_TYPE_KB_LANG_MASK]);
+}
+
+static void hil_dev_pointer_setup(struct hil_dev *ptr)
+{
+ struct input_dev *input_dev = ptr->dev;
+ uint8_t did = ptr->idd[0];
+ uint8_t *idd = ptr->idd + 1;
+ unsigned int naxsets = HIL_IDD_NUM_AXSETS(*idd);
+ unsigned int i, btntype;
+ const char *txt;
+
+ ptr->naxes = HIL_IDD_NUM_AXES_PER_SET(*idd);
+
+ switch (did & HIL_IDD_DID_TYPE_MASK) {
+ case HIL_IDD_DID_TYPE_REL:
+ input_dev->evbit[0] = BIT_MASK(EV_REL);
+
+ for (i = 0; i < ptr->naxes; i++)
+ __set_bit(REL_X + i, input_dev->relbit);
+
+ for (i = 3; naxsets > 1 && i < ptr->naxes + 3; i++)
+ __set_bit(REL_X + i, input_dev->relbit);
+
+ txt = "relative";
+ break;
+
+ case HIL_IDD_DID_TYPE_ABS:
+ input_dev->evbit[0] = BIT_MASK(EV_ABS);
+
+ for (i = 0; i < ptr->naxes; i++)
+ input_set_abs_params(input_dev, ABS_X + i,
+ 0, HIL_IDD_AXIS_MAX(idd, i), 0, 0);
+
+ for (i = 3; naxsets > 1 && i < ptr->naxes + 3; i++)
+ input_set_abs_params(input_dev, ABS_X + i,
+ 0, HIL_IDD_AXIS_MAX(idd, i - 3), 0, 0);
+
+#ifdef TABLET_AUTOADJUST
+ for (i = 0; i < ABS_MAX; i++) {
+ int diff = input_dev->absmax[ABS_X + i] / 10;
+ input_dev->absmin[ABS_X + i] += diff;
+ input_dev->absmax[ABS_X + i] -= diff;
+ }
+#endif
+
+ txt = "absolute";
+ break;
+
+ default:
+ BUG();
+ }
+
+ ptr->nbtn = HIL_IDD_NUM_BUTTONS(idd);
+ if (ptr->nbtn)
+ input_dev->evbit[0] |= BIT_MASK(EV_KEY);
+
+ 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, input_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;
+ }
+
+ input_dev->name = strlen(ptr->rnm) ? ptr->rnm : "HIL pointer device";
+
+ 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);
+}
+
static int hil_dev_connect(struct serio *serio, struct serio_driver *drv)
{
struct hil_dev *dev;
struct input_dev *input_dev;
uint8_t did, *idd;
- int i;
int error;
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
@@ -317,49 +500,47 @@
did = dev->idd[0];
idd = dev->idd + 1;
+
switch (did & HIL_IDD_DID_TYPE_MASK) {
case HIL_IDD_DID_TYPE_KB_INTEGRAL:
case HIL_IDD_DID_TYPE_KB_ITF:
case HIL_IDD_DID_TYPE_KB_RSVD:
case HIL_IDD_DID_TYPE_CHAR:
- printk(KERN_INFO PREFIX "HIL keyboard found (did = 0x%02x, lang = %s)\n",
- did, hil_language[did & HIL_IDD_DID_TYPE_KB_LANG_MASK]);
+ if (HIL_IDD_NUM_BUTTONS(idd) ||
+ HIL_IDD_NUM_AXES_PER_SET(*idd)) {
+ printk(KERN_INFO PREFIX
+ "combo devices are not supported.\n");
+ goto bail1;
+ }
+
+ dev->is_pointer = false;
+ hil_dev_keyboard_setup(dev);
break;
+
+ case HIL_IDD_DID_TYPE_REL:
+ case HIL_IDD_DID_TYPE_ABS:
+ dev->is_pointer = true;
+ hil_dev_pointer_setup(dev);
+ break;
+
default:
goto bail1;
}
- if (HIL_IDD_NUM_BUTTONS(idd) || HIL_IDD_NUM_AXES_PER_SET(*idd)) {
- printk(KERN_INFO PREFIX "keyboards only, no combo devices supported.\n");
- goto bail1;
- }
-
- input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP);
- input_dev->ledbit[0] = BIT_MASK(LED_NUML) | BIT_MASK(LED_CAPSL) |
- BIT_MASK(LED_SCROLLL);
- input_dev->keycodemax = HIL_KEYCODES_SET1_TBLSIZE;
- input_dev->keycodesize = sizeof(hil_kbd_set1[0]);
- input_dev->keycode = hil_kbd_set1;
- input_dev->name = strlen(dev->rnm) ? dev->rnm : HIL_GENERIC_NAME;
- input_dev->phys = "hpkbd/input0"; /* XXX */
-
input_dev->id.bustype = BUS_HIL;
input_dev->id.vendor = PCI_VENDOR_ID_HP;
input_dev->id.product = 0x0001; /* TODO: get from kbd->rsc */
input_dev->id.version = 0x0100; /* TODO: get from kbd->rsc */
input_dev->dev.parent = &serio->dev;
- for (i = 0; i < 128; i++) {
- __set_bit(hil_kbd_set1[i], input_dev->keybit);
- __set_bit(hil_kbd_set3[i], input_dev->keybit);
+ if (!dev->is_pointer) {
+ serio_write(serio, 0);
+ serio_write(serio, 0);
+ serio_write(serio, HIL_PKT_CMD >> 8);
+ /* Enable Keyswitch Autorepeat 1 */
+ serio_write(serio, HIL_CMD_EK1);
+ /* No need to wait for completion */
}
- __clear_bit(KEY_RESERVED, input_dev->keybit);
-
- serio_write(serio, 0);
- serio_write(serio, 0);
- serio_write(serio, HIL_PKT_CMD >> 8);
- serio_write(serio, HIL_CMD_EK1); /* Enable Keyswitch Autorepeat 1 */
- /* No need to wait for completion */
error = input_register_device(input_dev);
if (error)
@@ -388,9 +569,9 @@
static struct serio_driver hil_serio_drv = {
.driver = {
- .name = "hil_kbd",
+ .name = "hil_dev",
},
- .description = "HP HIL keyboard driver",
+ .description = "HP HIL keyboard/mouse/tablet driver",
.id_table = hil_dev_ids,
.connect = hil_dev_connect,
.disconnect = hil_dev_disconnect,
diff --git a/drivers/input/mouse/Kconfig b/drivers/input/mouse/Kconfig
index 8a2c5b1..90bef5d 100644
--- a/drivers/input/mouse/Kconfig
+++ b/drivers/input/mouse/Kconfig
@@ -262,14 +262,6 @@
described in the source file). This driver also works with the
digitizer (VSXXX-AB) DEC produced.
-config MOUSE_HIL
- tristate "HIL pointers (mice etc)."
- depends on GSC || HP300
- select HP_SDC
- select HIL_MLC
- help
- Say Y here to support HIL pointers.
-
config MOUSE_GPIO
tristate "GPIO mouse"
depends on GENERIC_GPIO
diff --git a/drivers/input/mouse/Makefile b/drivers/input/mouse/Makefile
index 010f265..ea58c9a 100644
--- a/drivers/input/mouse/Makefile
+++ b/drivers/input/mouse/Makefile
@@ -9,7 +9,6 @@
obj-$(CONFIG_MOUSE_ATARI) += atarimouse.o
obj-$(CONFIG_MOUSE_BCM5974) += bcm5974.o
obj-$(CONFIG_MOUSE_GPIO) += gpio_mouse.o
-obj-$(CONFIG_MOUSE_HIL) += hil_ptr.o
obj-$(CONFIG_MOUSE_INPORT) += inport.o
obj-$(CONFIG_MOUSE_LOGIBM) += logibm.o
obj-$(CONFIG_MOUSE_MAPLE) += maplemouse.o
diff --git a/drivers/input/mouse/hil_ptr.c b/drivers/input/mouse/hil_ptr.c
deleted file mode 100644
index cd12c2d..0000000
--- 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);