Input: lifebook - split into 2 devices
Have lifebook protocol register 2 separate input devices -
one for the touchscreen reporting absolute coordinates and
touches and another one for touchpad reporting relative
coordinates and left and right button presses.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/input/mouse/lifebook.c b/drivers/input/mouse/lifebook.c
index aa3b245..1740cad 100644
--- a/drivers/input/mouse/lifebook.c
+++ b/drivers/input/mouse/lifebook.c
@@ -20,6 +20,11 @@
#include "psmouse.h"
#include "lifebook.h"
+struct lifebook_data {
+ struct input_dev *dev2; /* Relative device */
+ char phys[32];
+};
+
static const char *desired_serio_phys;
static int lifebook_set_serio_phys(struct dmi_system_id *d)
@@ -102,7 +107,9 @@
static psmouse_ret_t lifebook_process_byte(struct psmouse *psmouse)
{
- struct input_dev *dev = psmouse->dev;
+ struct lifebook_data *priv = psmouse->private;
+ struct input_dev *dev1 = psmouse->dev;
+ struct input_dev *dev2 = priv->dev2;
unsigned char *packet = psmouse->packet;
int relative_packet = packet[0] & 0x08;
@@ -135,27 +142,35 @@
}
if (relative_packet) {
- input_report_rel(dev, REL_X,
- ((packet[0] & 0x10) ? packet[1] - 256 : packet[1]));
- input_report_rel(dev, REL_Y,
- -(int)((packet[0] & 0x20) ? packet[2] - 256 : packet[2]));
+ if (!dev2)
+ printk(KERN_WARNING "lifebook.c: got relative packet "
+ "but no relative device set up\n");
} else if (lifebook_use_6byte_proto) {
- input_report_abs(dev, ABS_X,
+ input_report_abs(dev1, ABS_X,
((packet[1] & 0x3f) << 6) | (packet[2] & 0x3f));
- input_report_abs(dev, ABS_Y,
+ input_report_abs(dev1, ABS_Y,
4096 - (((packet[4] & 0x3f) << 6) | (packet[5] & 0x3f)));
} else {
- input_report_abs(dev, ABS_X,
+ input_report_abs(dev1, ABS_X,
(packet[1] | ((packet[0] & 0x30) << 4)));
- input_report_abs(dev, ABS_Y,
+ input_report_abs(dev1, ABS_Y,
1024 - (packet[2] | ((packet[0] & 0xC0) << 2)));
}
- input_report_key(dev, BTN_LEFT, packet[0] & 0x01);
- input_report_key(dev, BTN_RIGHT, packet[0] & 0x02);
- input_report_key(dev, BTN_TOUCH, packet[0] & 0x04);
+ input_report_key(dev1, BTN_TOUCH, packet[0] & 0x04);
+ input_sync(dev1);
- input_sync(dev);
+ if (dev2) {
+ if (relative_packet) {
+ input_report_rel(dev2, REL_X,
+ ((packet[0] & 0x10) ? packet[1] - 256 : packet[1]));
+ input_report_rel(dev2, REL_Y,
+ -(int)((packet[0] & 0x20) ? packet[2] - 256 : packet[2]));
+ }
+ input_report_key(dev2, BTN_LEFT, packet[0] & 0x01);
+ input_report_key(dev2, BTN_RIGHT, packet[0] & 0x02);
+ input_sync(dev2);
+ }
return PSMOUSE_FULL_PACKET;
}
@@ -179,6 +194,14 @@
return 0;
}
+static void lifebook_relative_mode(struct psmouse *psmouse)
+{
+ struct ps2dev *ps2dev = &psmouse->ps2dev;
+ unsigned char param = 0x06;
+
+ ps2_command(ps2dev, ¶m, PSMOUSE_CMD_SETRES);
+}
+
static void lifebook_set_resolution(struct psmouse *psmouse, unsigned int resolution)
{
static const unsigned char params[] = { 0, 1, 2, 2, 3 };
@@ -195,6 +218,8 @@
static void lifebook_disconnect(struct psmouse *psmouse)
{
psmouse_reset(psmouse);
+ kfree(psmouse->private);
+ psmouse->private = NULL;
}
int lifebook_detect(struct psmouse *psmouse, int set_properties)
@@ -214,26 +239,74 @@
return 0;
}
+static int lifebook_create_relative_device(struct psmouse *psmouse)
+{
+ struct input_dev *dev2;
+ struct lifebook_data *priv;
+ int error = -ENOMEM;
+
+ priv = kzalloc(sizeof(struct lifebook_data), GFP_KERNEL);
+ dev2 = input_allocate_device();
+ if (!priv || !dev2)
+ goto err_out;
+
+ priv->dev2 = dev2;
+ snprintf(priv->phys, sizeof(priv->phys),
+ "%s/input1", psmouse->ps2dev.serio->phys);
+
+ dev2->phys = priv->phys;
+ dev2->name = "PS/2 Touchpad";
+ dev2->id.bustype = BUS_I8042;
+ dev2->id.vendor = 0x0002;
+ dev2->id.product = PSMOUSE_LIFEBOOK;
+ dev2->id.version = 0x0000;
+ dev2->dev.parent = &psmouse->ps2dev.serio->dev;
+
+ dev2->evbit[0] = BIT(EV_KEY) | BIT(EV_REL);
+ dev2->relbit[LONG(REL_X)] = BIT(REL_X) | BIT(REL_Y);
+ dev2->keybit[LONG(BTN_LEFT)] = BIT(BTN_LEFT) | BIT(BTN_RIGHT);
+
+ error = input_register_device(priv->dev2);
+ if (error)
+ goto err_out;
+
+ psmouse->private = priv;
+ return 0;
+
+ err_out:
+ input_free_device(dev2);
+ kfree(priv);
+ return error;
+}
+
int lifebook_init(struct psmouse *psmouse)
{
- struct input_dev *input_dev = psmouse->dev;
+ struct input_dev *dev1 = psmouse->dev;
int max_coord = lifebook_use_6byte_proto ? 1024 : 4096;
if (lifebook_absolute_mode(psmouse))
return -1;
- input_dev->evbit[0] = BIT(EV_ABS) | BIT(EV_KEY) | BIT(EV_REL);
- input_dev->keybit[LONG(BTN_LEFT)] = BIT(BTN_LEFT) | BIT(BTN_MIDDLE) | BIT(BTN_RIGHT);
- input_dev->keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH);
- input_dev->relbit[0] = BIT(REL_X) | BIT(REL_Y);
- input_set_abs_params(input_dev, ABS_X, 0, max_coord, 0, 0);
- input_set_abs_params(input_dev, ABS_Y, 0, max_coord, 0, 0);
+ dev1->evbit[0] = BIT(EV_ABS) | BIT(EV_KEY);
+ dev1->relbit[0] = 0;
+ dev1->keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH);
+ input_set_abs_params(dev1, ABS_X, 0, max_coord, 0, 0);
+ input_set_abs_params(dev1, ABS_Y, 0, max_coord, 0, 0);
+
+ if (!desired_serio_phys) {
+ if (lifebook_create_relative_device(psmouse)) {
+ lifebook_relative_mode(psmouse);
+ return -1;
+ }
+ }
psmouse->protocol_handler = lifebook_process_byte;
psmouse->set_resolution = lifebook_set_resolution;
psmouse->disconnect = lifebook_disconnect;
psmouse->reconnect = lifebook_absolute_mode;
+ psmouse->model = lifebook_use_6byte_proto ? 6 : 3;
+
/*
* Use packet size = 3 even when using 6-byte protocol because
* that's what POLL will return on Lifebooks (according to spec).