From b0c9ad8e0ff154f8c4730b8c4383f49b846c97c4 Mon Sep 17 00:00:00 2001 From: Pozsar Balazs Date: Mon, 26 Jun 2006 01:56:08 -0400 Subject: [PATCH] Input: psmouse - add support for Intellimouse 4.0 Add support for the H-Wheel present on Microsoft Intellimouse 4.0 (AKA "tilt mouse") Signed-off-by: Pozsar Balazs Signed-off-by: Vojtech Pavlik Signed-off-by: Dmitry Torokhov --- drivers/input/mouse/psmouse-base.c | 33 +++++++++++++++++++++++++++--- 1 file changed, 30 insertions(+), 3 deletions(-) diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c index 5f21532c24ff..8bc9f51ae6c2 100644 --- a/drivers/input/mouse/psmouse-base.c +++ b/drivers/input/mouse/psmouse-base.c @@ -150,9 +150,20 @@ static psmouse_ret_t psmouse_process_byte(struct psmouse *psmouse, struct pt_reg */ 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); + switch (packet[3] & 0xC0) { + case 0x80: /* vertical scroll on IntelliMouse Explorer 4.0 */ + input_report_rel(dev, REL_WHEEL, (int) (packet[3] & 32) - (int) (packet[3] & 31)); + break; + case 0x40: /* horizontal scroll on IntelliMouse Explorer 4.0 */ + input_report_rel(dev, REL_HWHEEL, (int) (packet[3] & 32) - (int) (packet[3] & 31)); + break; + case 0x00: + case 0xC0: + 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); + break; + } } /* @@ -466,9 +477,25 @@ static int im_explorer_detect(struct psmouse *psmouse, int set_properties) if (param[0] != 4) return -1; +/* Magic to enable horizontal scrolling on IntelliMouse 4.0 */ + param[0] = 200; + ps2_command(ps2dev, param, PSMOUSE_CMD_SETRATE); + param[0] = 80; + ps2_command(ps2dev, param, PSMOUSE_CMD_SETRATE); + param[0] = 40; + ps2_command(ps2dev, param, PSMOUSE_CMD_SETRATE); + + param[0] = 200; + ps2_command(ps2dev, param, PSMOUSE_CMD_SETRATE); + param[0] = 200; + ps2_command(ps2dev, param, PSMOUSE_CMD_SETRATE); + param[0] = 60; + ps2_command(ps2dev, param, PSMOUSE_CMD_SETRATE); + if (set_properties) { set_bit(BTN_MIDDLE, psmouse->dev->keybit); set_bit(REL_WHEEL, psmouse->dev->relbit); + set_bit(REL_HWHEEL, psmouse->dev->relbit); set_bit(BTN_SIDE, psmouse->dev->keybit); set_bit(BTN_EXTRA, psmouse->dev->keybit);