Add psmouse driver from maverick (Ubuntu-2.6.35-23.36).

Signed-off-by: Henrik Rydberg <rydberg@euromail.se>

1 files changed, 352 insertions, 0 deletions

diff --git a/usr/src/dkms_source_tree/lifebook.c b/usr/src/dkms_source_tree/lifebook.c
new file mode 100644
index 0000000..c31ad11
--- /dev/null
+++ b/usr/src/dkms_source_tree/lifebook.c
@@ -0,0 +1,352 @@
+/*
+ * Fujitsu B-series Lifebook PS/2 TouchScreen driver
+ *
+ * Copyright (c) 2005 Vojtech Pavlik <vojtech@suse.cz>
+ * Copyright (c) 2005 Kenan Esau <kenan.esau@conan.de>
+ *
+ * TouchScreen detection, absolute mode setting and packet layout is taken from
+ * Harald Hoyer's description of the device.
+ *
+ * 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 <linux/serio.h>
+#include <linux/libps2.h>
+#include <linux/dmi.h>
+#include <linux/slab.h>
+
+#include "psmouse.h"
+#include "lifebook.h"
+
+struct lifebook_data {
+        struct input_dev *dev2;         /* Relative device */
+        char phys[32];
+};
+
+static bool lifebook_present;
+
+static const char *desired_serio_phys;
+
+static int lifebook_limit_serio3(const struct dmi_system_id *d)
+{
+        desired_serio_phys = "isa0060/serio3";
+        return 0;
+}
+
+static bool lifebook_use_6byte_proto;
+
+static int lifebook_set_6byte_proto(const struct dmi_system_id *d)
+{
+        lifebook_use_6byte_proto = true;
+        return 0;
+}
+
+static const struct dmi_system_id __initconst lifebook_dmi_table[] = {
+        {
+                /* FLORA-ie 55mi */
+                .matches = {
+                        DMI_MATCH(DMI_PRODUCT_NAME, "FLORA-ie 55mi"),
+                },
+        },
+        {
+                /* LifeBook B */
+                .matches = {
+                        DMI_MATCH(DMI_PRODUCT_NAME, "Lifebook B Series"),
+                },
+        },
+        {
+                /* LifeBook B */
+                .matches = {
+                        DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook B Series"),
+                },
+        },
+        {
+                /* Lifebook B */
+                .matches = {
+                        DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK B Series"),
+                },
+        },
+        {
+                /* Lifebook B-2130 */
+                .matches = {
+                        DMI_MATCH(DMI_BOARD_NAME, "ZEPHYR"),
+                },
+        },
+        {
+                /* Lifebook B213x/B2150 */
+                .matches = {
+                        DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook B2131/B2133/B2150"),
+                },
+        },
+        {
+                /* Zephyr */
+                .matches = {
+                        DMI_MATCH(DMI_PRODUCT_NAME, "ZEPHYR"),
+                },
+        },
+        {
+                /* Panasonic CF-18 */
+                .matches = {
+                        DMI_MATCH(DMI_PRODUCT_NAME, "CF-18"),
+                },
+                .callback = lifebook_limit_serio3,
+        },
+        {
+                /* Panasonic CF-28 */
+                .matches = {
+                        DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"),
+                        DMI_MATCH(DMI_PRODUCT_NAME, "CF-28"),
+                },
+                .callback = lifebook_set_6byte_proto,
+        },
+        {
+                /* Panasonic CF-29 */
+                .matches = {
+                        DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"),
+                        DMI_MATCH(DMI_PRODUCT_NAME, "CF-29"),
+                },
+                .callback = lifebook_set_6byte_proto,
+        },
+        {
+                /* Panasonic CF-72 */
+                .matches = {
+                        DMI_MATCH(DMI_PRODUCT_NAME, "CF-72"),
+                },
+                .callback = lifebook_set_6byte_proto,
+        },
+        {
+                /* Lifebook B142 */
+                .matches = {
+                        DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook B142"),
+                },
+        },
+        { }
+};
+
+void __init lifebook_module_init(void)
+{
+        lifebook_present = dmi_check_system(lifebook_dmi_table);
+}
+
+static psmouse_ret_t lifebook_process_byte(struct psmouse *psmouse)
+{
+        struct lifebook_data *priv = psmouse->private;
+        struct input_dev *dev1 = psmouse->dev;
+        struct input_dev *dev2 = priv ? priv->dev2 : NULL;
+        unsigned char *packet = psmouse->packet;
+        bool relative_packet = packet[0] & 0x08;
+
+        if (relative_packet || !lifebook_use_6byte_proto) {
+                if (psmouse->pktcnt != 3)
+                        return PSMOUSE_GOOD_DATA;
+        } else {
+                switch (psmouse->pktcnt) {
+                case 1:
+                        return (packet[0] & 0xf8) == 0x00 ?
+                                PSMOUSE_GOOD_DATA : PSMOUSE_BAD_DATA;
+                case 2:
+                        return PSMOUSE_GOOD_DATA;
+                case 3:
+                        return ((packet[2] & 0x30) << 2) == (packet[2] & 0xc0) ?
+                                PSMOUSE_GOOD_DATA : PSMOUSE_BAD_DATA;
+                case 4:
+                        return (packet[3] & 0xf8) == 0xc0 ?
+                                PSMOUSE_GOOD_DATA : PSMOUSE_BAD_DATA;
+                case 5:
+                        return (packet[4] & 0xc0) == (packet[2] & 0xc0) ?
+                                PSMOUSE_GOOD_DATA : PSMOUSE_BAD_DATA;
+                case 6:
+                        if (((packet[5] & 0x30) << 2) != (packet[5] & 0xc0))
+                                return PSMOUSE_BAD_DATA;
+                        if ((packet[5] & 0xc0) != (packet[1] & 0xc0))
+                                return PSMOUSE_BAD_DATA;
+                        break; /* report data */
+                }
+        }
+
+        if (relative_packet) {
+                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(dev1, ABS_X,
+                                ((packet[1] & 0x3f) << 6) | (packet[2] & 0x3f));
+                        input_report_abs(dev1, ABS_Y,
+                                4096 - (((packet[4] & 0x3f) << 6) | (packet[5] & 0x3f)));
+                } else {
+                        input_report_abs(dev1, ABS_X,
+                                (packet[1] | ((packet[0] & 0x30) << 4)));
+                        input_report_abs(dev1, ABS_Y,
+                                1024 - (packet[2] | ((packet[0] & 0xC0) << 2)));
+                }
+                input_report_key(dev1, BTN_TOUCH, packet[0] & 0x04);
+                input_sync(dev1);
+        }
+
+        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;
+}
+
+static int lifebook_absolute_mode(struct psmouse *psmouse)
+{
+        struct ps2dev *ps2dev = &psmouse->ps2dev;
+        unsigned char param;
+
+        if (psmouse_reset(psmouse))
+                return -1;
+
+        /*
+         * Enable absolute output -- ps2_command fails always but if
+         * you leave this call out the touchsreen will never send
+         * absolute coordinates
+         */
+        param = lifebook_use_6byte_proto ? 0x08 : 0x07;
+        ps2_command(ps2dev, &param, PSMOUSE_CMD_SETRES);
+
+        return 0;
+}
+
+static void lifebook_relative_mode(struct psmouse *psmouse)
+{
+        struct ps2dev *ps2dev = &psmouse->ps2dev;
+        unsigned char param = 0x06;
+
+        ps2_command(ps2dev, &param, PSMOUSE_CMD_SETRES);
+}
+
+static void lifebook_set_resolution(struct psmouse *psmouse, unsigned int resolution)
+{
+        static const unsigned char params[] = { 0, 1, 2, 2, 3 };
+        unsigned char p;
+
+        if (resolution == 0 || resolution > 400)
+                resolution = 400;
+
+        p = params[resolution / 100];
+        ps2_command(&psmouse->ps2dev, &p, PSMOUSE_CMD_SETRES);
+        psmouse->resolution = 50 << p;
+}
+
+static void lifebook_disconnect(struct psmouse *psmouse)
+{
+        struct lifebook_data *priv = psmouse->private;
+
+        psmouse_reset(psmouse);
+        if (priv) {
+                input_unregister_device(priv->dev2);
+                kfree(priv);
+        }
+        psmouse->private = NULL;
+}
+
+int lifebook_detect(struct psmouse *psmouse, bool set_properties)
+{
+        if (!lifebook_present)
+                return -1;
+
+        if (desired_serio_phys &&
+            strcmp(psmouse->ps2dev.serio->phys, desired_serio_phys))
+                return -1;
+
+        if (set_properties) {
+                psmouse->vendor = "Fujitsu";
+                psmouse->name = "Lifebook TouchScreen";
+        }
+
+        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_MASK(EV_KEY) | BIT_MASK(EV_REL);
+        dev2->relbit[BIT_WORD(REL_X)] = BIT_MASK(REL_X) | BIT_MASK(REL_Y);
+        dev2->keybit[BIT_WORD(BTN_LEFT)] =
+                                BIT_MASK(BTN_LEFT) | BIT_MASK(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 *dev1 = psmouse->dev;
+        int max_coord = lifebook_use_6byte_proto ? 4096 : 1024;
+
+        if (lifebook_absolute_mode(psmouse))
+                return -1;
+
+        dev1->evbit[0] = BIT_MASK(EV_ABS) | BIT_MASK(EV_KEY);
+        dev1->relbit[0] = 0;
+        dev1->keybit[BIT_WORD(BTN_MOUSE)] = 0;
+        dev1->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(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).
+         */
+        psmouse->pktsize = 3;
+
+        return 0;
+}
+