From patchwork Wed Aug 11 16:00:25 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rezwanul Kabir X-Patchwork-Id: 118834 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter.kernel.org (8.14.4/8.14.3) with ESMTP id o7BFxhP6003428 for ; Wed, 11 Aug 2010 15:59:43 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754193Ab0HKP7m (ORCPT ); Wed, 11 Aug 2010 11:59:42 -0400 Received: from ausc60ps301.us.dell.com ([143.166.148.206]:5365 "EHLO ausc60ps301.us.dell.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753502Ab0HKP7m (ORCPT ); Wed, 11 Aug 2010 11:59:42 -0400 X-Loopcount0: from 10.9.160.253 From: Rezwanul Kabir To: linux-input@vger.kernel.org Cc: Rezwanul_Kabir@dell.com, sebastian_kapfer@gmx.net, dmitry.torokhov@gmail.com, vojtech@suse.cz, chf.fritz@googlemail.com Subject: [PATCH][Resend]: Add support for Intellimouse Mode in ALPS touchpad on Dell E2 series Laptops Date: Wed, 11 Aug 2010 11:00:25 -0500 Message-Id: <1281542425-5757-1-git-send-email-Rezwanul_Kabir@dell.com> X-Mailer: git-send-email 1.6.4 Sender: linux-input-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter.kernel.org [140.211.167.41]); Wed, 11 Aug 2010 15:59:43 +0000 (UTC) diff -urNp a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c --- a/drivers/input/mouse/alps.c 2010-08-06 12:43:11.000000000 -0500 +++ b/drivers/input/mouse/alps.c 2010-08-10 21:53:46.000000000 -0500 @@ -63,6 +63,8 @@ static const struct alps_model_info alps /* Dell Latitude E5500, E6400, E6500, Precision M4400 */ { { 0x62, 0x02, 0x14 }, 0xcf, 0xcf, ALPS_PASS | ALPS_DUALPOINT | ALPS_PS2_INTERLEAVED }, + /* Dell Precision 4500 */ + { { 0x73, 0x02, 0x64 }, 0x80, 0x80, 0 }, { { 0x73, 0x02, 0x50 }, 0xcf, 0xcf, ALPS_FOUR_BUTTONS }, /* Dell Vostro 1400 */ { { 0x52, 0x01, 0x14 }, 0xff, 0xff, ALPS_PASS | ALPS_DUALPOINT | ALPS_PS2_INTERLEAVED }, /* Toshiba Tecra A11-11L */ @@ -111,6 +113,77 @@ static const struct alps_model_info alps * on a dualpoint, etc. */ + +/* Magic Sequence to enable Intellimouse Mode on Dell E2 Touchpads*/ + +static int dell_e2_setup_intellimouse_mode(void *data) +{ + struct psmouse *psmouse = (struct psmouse *)(data); + struct ps2dev *ps2dev = &psmouse->ps2dev; + struct input_dev *dev = psmouse->dev; + unsigned char param[] = {0, 0, 0}; + + if (ps2_command(ps2dev, param, 0x00f5) || + ps2_command(ps2dev, param, 0x00ea) || + ps2_command(ps2dev, param, 0x00ec) || + ps2_command(ps2dev, param, 0x00ec) || + ps2_command(ps2dev, param, 0x00ec) || + ps2_command(ps2dev, param, 0x03e9)) + return -1; + + dbg("alps:dell_e2_setup: param[0]: %x," + "param[1]: %x, param[2]: %x\n", param[0], + param[1], param[2]); +/* Check for supported model to continue */ + + if (!((param[0] == 0x88) && (param[1] == 0x07) + && ((param[2] == 0x9D) || (param[2] == 0x9B)))) + return -1; + + if (ps2_command(ps2dev, NULL, 0x00ec) || + ps2_command(ps2dev, NULL, 0x00f0) || + ps2_command(ps2dev, NULL, 0x00f0) || + ps2_command(ps2dev, NULL, 0x00f0) || + ps2_command(ps2dev, NULL, 0x00f3) || + ps2_command(ps2dev, NULL, 0x0028) || + ps2_command(ps2dev, NULL, 0x00f0) || + ps2_command(ps2dev, NULL, 0x00f6) || + ps2_command(ps2dev, NULL, 0x00ea) || + ps2_command(ps2dev, NULL, 0x00f4)) + return -1; + + __set_bit(BTN_MIDDLE, dev->keybit); + __set_bit(REL_WHEEL, dev->relbit); + + psmouse->pktsize = 4; + psmouse->type = PSMOUSE_IMPS; + + return 0; +} + +static const struct alps_model_quirk alps_model_init_quirk_tbl[] = { + + { {0x73, 0x02, 0x64}, dell_e2_setup_intellimouse_mode } +}; + +static int alps_model_init_quirk(struct psmouse *psmouse, + const struct alps_model_info *model) +{ + int rc = 1; + int i; + + for (i = 0; i < ARRAY_SIZE(alps_model_init_quirk_tbl); i++) { + if (!memcmp(model->signature, + alps_model_init_quirk_tbl[i].signature, + sizeof(alps_model_init_quirk_tbl[i].signature))) { + rc = alps_model_init_quirk_tbl[i].callback(psmouse); + break; + } + } + + return rc; +} + static bool alps_is_valid_first_byte(const struct alps_model_info *model, unsigned char data) { @@ -677,6 +750,14 @@ int alps_init(struct psmouse *psmouse) if (alps_hw_init(psmouse)) goto init_fail; + if (!alps_model_init_quirk(psmouse, model)) { + printk(KERN_WARNING "alps.c: Enabled hardware quirk, falling back to psmouse-core\n"); + input_free_device(dev2); + kfree(priv); + psmouse->private = NULL; + return 0; + } + /* * Undo part of setup done for us by psmouse core since touchpad * is not a relative device. diff -urNp a/drivers/input/mouse/alps.h b/drivers/input/mouse/alps.h --- a/drivers/input/mouse/alps.h 2010-08-06 12:43:06.000000000 -0500 +++ b/drivers/input/mouse/alps.h 2010-08-06 12:43:46.000000000 -0500 @@ -26,6 +26,11 @@ struct alps_data { struct timer_list timer; }; +struct alps_model_quirk { +unsigned char signature[3]; +int (*callback)(void *data); +}; + #ifdef CONFIG_MOUSE_PS2_ALPS int alps_detect(struct psmouse *psmouse, bool set_properties); int alps_init(struct psmouse *psmouse); diff -urNp a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c --- a/drivers/input/mouse/psmouse-base.c 2010-08-06 12:42:57.000000000 -0500 +++ b/drivers/input/mouse/psmouse-base.c 2010-08-10 10:00:06.000000000 -0500 @@ -659,7 +659,8 @@ static int psmouse_extensions(struct psm ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_RESET_DIS); if (alps_detect(psmouse, set_properties) == 0) { if (!set_properties || alps_init(psmouse) == 0) - return PSMOUSE_ALPS; + /* If ALPS model quirk was applied, don't change the settings */ + return psmouse->type ? psmouse->type : PSMOUSE_ALPS; /* * Init failed, try basic relative protocols */