From patchwork Mon Mar 7 21:15:26 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ping Cheng X-Patchwork-Id: 616701 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id p27LGqkW013552 for ; Mon, 7 Mar 2011 21:16:52 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756228Ab1CGVQv (ORCPT ); Mon, 7 Mar 2011 16:16:51 -0500 Received: from mail-pz0-f46.google.com ([209.85.210.46]:38696 "EHLO mail-pz0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756204Ab1CGVQv (ORCPT ); Mon, 7 Mar 2011 16:16:51 -0500 Received: by pzk35 with SMTP id 35so788473pzk.19 for ; Mon, 07 Mar 2011 13:16:51 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:from:to:cc:subject:date:message-id:x-mailer; bh=TN7maFe1quzHJNscRndTR/7gfZ0l6Wz0zW6lMVT6qMU=; b=cYqU/Ua4Q/ctOX68UF1krGf1PZHdRyzJrxbmcf1ZH0TRxky4yE4jD6tiU7Lpvg0Ac2 P5mq5xkER4Fu3hZYDSTJKXjqHiAop7R37kN0XLrRi3DOvoKlhcLTFiVqm9qwmsP1zkGY qXfEtg85WQ73tQtRwV8Q6EbX0h8U8k9+p+X+8= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:cc:subject:date:message-id:x-mailer; b=bOuMSAEHzKXwSjCs9kvzG7ag48s3mo1+UNAZpEoFfDZDlnyrDUplYsDrOSmnRNkluv Sl7mzy2Q1LQffpMj454+bDNoPT9Q85aBudDtXYp98mL+tNoQEA/C1D5JbeFZYmwIvstn 0/CBxjp/TbVgErdpWj1Tu2o0j7/TMFBjpdBkc= Received: by 10.142.180.6 with SMTP id c6mr3644229wff.125.1299532610915; Mon, 07 Mar 2011 13:16:50 -0800 (PST) Received: from localhost.localdomain ([67.51.163.10]) by mx.google.com with ESMTPS id w27sm770wfd.4.2011.03.07.13.16.47 (version=TLSv1/SSLv3 cipher=OTHER); Mon, 07 Mar 2011 13:16:49 -0800 (PST) From: Ping Cheng To: linux-input@vger.kernel.org Cc: dmitry.torokhov@gmail.com, rydberg@euromail.se, Ping Cheng , Ping Cheng Subject: [PATCH 3/4 v4] input - wacom : support one finger touch the touchscreen way Date: Mon, 7 Mar 2011 13:15:26 -0800 Message-Id: <1299532526-2974-1-git-send-email-pinglinux@gmail.com> X-Mailer: git-send-email 1.7.4 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-4.2.6 (demeter1.kernel.org [140.211.167.41]); Mon, 07 Mar 2011 21:17:15 +0000 (UTC) diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c index 15bab99..adf8946 100644 --- a/drivers/input/tablet/wacom_wac.c +++ b/drivers/input/tablet/wacom_wac.c @@ -675,51 +675,37 @@ static int wacom_intuos_irq(struct wacom_wac *wacom) return 1; } -static void wacom_tpc_touch_out(struct wacom_wac *wacom, int idx) -{ - struct input_dev *input = wacom->input; - int finger = idx + 1; - - input_report_abs(input, ABS_X, 0); - input_report_abs(input, ABS_Y, 0); - input_report_abs(input, ABS_MISC, 0); - input_report_key(input, wacom->tool[finger], 0); - if (!idx) - input_report_key(input, BTN_TOUCH, 0); - input_event(input, EV_MSC, MSC_SERIAL, finger); - input_sync(input); -} - -static void wacom_tpc_touch_in(struct wacom_wac *wacom, size_t len) +static int wacom_tpc_single_touch(struct wacom_wac *wacom, size_t len) { char *data = wacom->data; struct input_dev *input = wacom->input; + bool prox; + int x = 0, y = 0; - wacom->tool[1] = BTN_TOOL_DOUBLETAP; - wacom->id[0] = TOUCH_DEVICE_ID; + if (!wacom->shared->stylus_in_proximity) { + if (len == WACOM_PKGLEN_TPC1FG) { + prox = data[0] & 0x01; + x = get_unaligned_le16(&data[1]); + y = get_unaligned_le16(&data[3]); + } else { /* with capacity */ + prox = data[1] & 0x01; + x = le16_to_cpup((__le16 *)&data[2]); + y = le16_to_cpup((__le16 *)&data[4]); + } + } else + /* force touch out when pen is in prox */ + prox = 0; - if (len != WACOM_PKGLEN_TPC1FG) { + if (prox) { + input_report_abs(input, ABS_X, x); + input_report_abs(input, ABS_Y, y); + } + input_report_key(input, BTN_TOUCH, prox); - switch (data[0]) { + /* keep touch state for pen events */ + wacom->shared->touch_down = prox; - case WACOM_REPORT_TPC1FG: - input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2])); - input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4])); - input_report_abs(input, ABS_PRESSURE, le16_to_cpup((__le16 *)&data[6])); - input_report_key(input, BTN_TOUCH, le16_to_cpup((__le16 *)&data[6])); - input_report_abs(input, ABS_MISC, wacom->id[0]); - input_report_key(input, wacom->tool[1], 1); - input_sync(input); - break; - } - } else { - input_report_abs(input, ABS_X, get_unaligned_le16(&data[1])); - input_report_abs(input, ABS_Y, get_unaligned_le16(&data[3])); - input_report_key(input, BTN_TOUCH, 1); - input_report_abs(input, ABS_MISC, wacom->id[1]); - input_report_key(input, wacom->tool[1], 1); - input_sync(input); - } + return 1; } static int wacom_tpc_pen(struct wacom_wac *wacom) @@ -727,71 +713,43 @@ static int wacom_tpc_pen(struct wacom_wac *wacom) struct wacom_features *features = &wacom->features; char *data = wacom->data; struct input_dev *input = wacom->input; - int prox, pressure; - - prox = data[1] & 0x20; + int pressure; + bool prox = data[1] & 0x20; - if (!wacom->shared->stylus_in_proximity) { /* first in prox */ + if (!wacom->shared->stylus_in_proximity) /* first in prox */ /* Going into proximity select tool */ wacom->tool[0] = (data[1] & 0x0c) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN; - if (wacom->tool[0] == BTN_TOOL_PEN) - wacom->id[0] = STYLUS_DEVICE_ID; - else - wacom->id[0] = ERASER_DEVICE_ID; - wacom->shared->stylus_in_proximity = true; - } - input_report_key(input, BTN_STYLUS, data[1] & 0x02); - input_report_key(input, BTN_STYLUS2, data[1] & 0x10); - input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2])); - input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4])); - pressure = ((data[7] & 0x01) << 8) | data[6]; - if (pressure < 0) - pressure = features->pressure_max + pressure + 1; - input_report_abs(input, ABS_PRESSURE, pressure); - input_report_key(input, BTN_TOUCH, data[1] & 0x05); - if (!prox) { /* out-prox */ - wacom->id[0] = 0; - wacom->shared->stylus_in_proximity = false; + /* keep pen state for touch events */ + wacom->shared->stylus_in_proximity = prox; + + /* send pen events only when touch is up or forced out */ + if (!wacom->shared->touch_down) { + input_report_key(input, BTN_STYLUS, data[1] & 0x02); + input_report_key(input, BTN_STYLUS2, data[1] & 0x10); + input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2])); + input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4])); + pressure = ((data[7] & 0x01) << 8) | data[6]; + if (pressure < 0) + pressure = features->pressure_max + pressure + 1; + input_report_abs(input, ABS_PRESSURE, pressure); + input_report_key(input, BTN_TOUCH, data[1] & 0x05); + input_report_key(input, wacom->tool[0], prox); + return 1; } - input_report_key(input, wacom->tool[0], prox); - return 1; + return 0; } static int wacom_tpc_irq(struct wacom_wac *wacom, size_t len) { char *data = wacom->data; - int prox = 0; dbg("wacom_tpc_irq: received report #%d", data[0]); - if (len == WACOM_PKGLEN_TPC1FG || - data[0] == WACOM_REPORT_TPC1FG) { /* single touch */ - - if (wacom->shared->stylus_in_proximity) { - if (wacom->id[1] & 0x01) - wacom_tpc_touch_out(wacom, 0); - - wacom->id[1] = 0; - return 0; - } - - if (len == WACOM_PKGLEN_TPC1FG) - prox = data[0] & 0x01; - else /* with capacity */ - prox = data[1] & 0x01; - - if (prox) - wacom_tpc_touch_in(wacom, len); - else { - wacom_tpc_touch_out(wacom, 0); - - wacom->id[0] = 0; - } - /* keep prox bit to send proper out-prox event */ - wacom->id[1] = prox; - } else if (data[0] == WACOM_REPORT_PENABLED) + if (len == WACOM_PKGLEN_TPC1FG || data[0] == WACOM_REPORT_TPC1FG) + return wacom_tpc_single_touch(wacom, len); + else if (data[0] == WACOM_REPORT_PENABLED) return wacom_tpc_pen(wacom); return 0; @@ -1172,6 +1130,8 @@ void wacom_setup_input_capabilities(struct input_dev *input_dev, /* fall through */ case TABLETPC: + __clear_bit(ABS_MISC, input_dev->absbit); + if (features->device_type == BTN_TOOL_DOUBLETAP || features->device_type == BTN_TOOL_TRIPLETAP) { input_abs_set_res(input_dev, ABS_X, @@ -1180,7 +1140,6 @@ void wacom_setup_input_capabilities(struct input_dev *input_dev, input_abs_set_res(input_dev, ABS_Y, wacom_calculate_touch_res(features->y_max, features->y_phy)); - __set_bit(BTN_TOOL_DOUBLETAP, input_dev->keybit); } if (features->device_type != BTN_TOOL_PEN) diff --git a/drivers/input/tablet/wacom_wac.h b/drivers/input/tablet/wacom_wac.h index 8f747dd..835f756 100644 --- a/drivers/input/tablet/wacom_wac.h +++ b/drivers/input/tablet/wacom_wac.h @@ -88,6 +88,7 @@ struct wacom_features { struct wacom_shared { bool stylus_in_proximity; + bool touch_down; }; struct wacom_wac {