From patchwork Tue Aug 24 08:28:25 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Henrik Rydberg X-Patchwork-Id: 62558 X-Patchwork-Delegate: leann.ogasawara@canonical.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from chlorine.canonical.com (chlorine.canonical.com [91.189.94.204]) by ozlabs.org (Postfix) with ESMTP id E7BFBB70D4 for ; Tue, 24 Aug 2010 18:29:49 +1000 (EST) Received: from localhost ([127.0.0.1] helo=chlorine.canonical.com) by chlorine.canonical.com with esmtp (Exim 4.69) (envelope-from ) id 1Onot6-0006xJ-Mw; Tue, 24 Aug 2010 09:29:44 +0100 Received: from ch-smtp03.sth.basefarm.net ([80.76.149.214]) by chlorine.canonical.com with esmtp (Exim 4.69) (envelope-from ) id 1Onot4-0006x6-KD for kernel-team@lists.ubuntu.com; Tue, 24 Aug 2010 09:29:42 +0100 Received: from c83-248-196-134.bredband.comhem.se ([83.248.196.134]:60624 helo=alnilam) by ch-smtp03.sth.basefarm.net with smtp (Exim 4.68) (envelope-from ) id 1Onors-00039O-AW; Tue, 24 Aug 2010 10:28:31 +0200 Received: by alnilam (sSMTP sendmail emulation); Tue, 24 Aug 2010 10:28:26 +0200 From: "Henrik Rydberg" To: kernel-team@lists.ubuntu.com Subject: [PATCH] input: mt: Add support for the Bamboo Touch trackpad Date: Tue, 24 Aug 2010 10:28:25 +0200 Message-Id: <1282638505-16270-1-git-send-email-rydberg@euromail.se> X-Mailer: git-send-email 1.7.1 X-Originating-IP: 83.248.196.134 X-Scan-Result: No virus found in message 1Onors-00039O-AW. X-Scan-Signature: ch-smtp03.sth.basefarm.net 1Onors-00039O-AW 60a351d1ec945ba85748ee279aebc2bb X-BeenThere: kernel-team@lists.ubuntu.com X-Mailman-Version: 2.1.9 Precedence: list List-Id: Kernel team discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: kernel-team-bounces@lists.ubuntu.com Errors-To: kernel-team-bounces@lists.ubuntu.com Add support for the Bamboo Touch trackpad, and make it work well with both the Synaptics X Driver and the Multitouch X Driver. The device uses MT slots internally, so the choice of protocol is a given. Suggested for Maverick. Signed-off-by: Henrik Rydberg Acked-by: Chase Douglas --- drivers/input/tablet/wacom_wac.c | 76 ++++++++++++++++++++++++++++++++++++++ drivers/input/tablet/wacom_wac.h | 6 +++ 2 files changed, 82 insertions(+), 0 deletions(-) diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c index 415f630..a59c6ce 100644 --- a/drivers/input/tablet/wacom_wac.c +++ b/drivers/input/tablet/wacom_wac.c @@ -822,6 +822,52 @@ static int wacom_tpc_irq(struct wacom_wac *wacom, size_t len) return retval; } +static int wacom_bbt_irq(struct wacom_wac *wacom, size_t len) +{ + static int trkid; + struct input_dev *input = wacom->input; + unsigned char *data = wacom->data; + int i, sp = 0, sx = 0, sy = 0, count = 0; + + if (len != WACOM_PKGLEN_BBTOUCH) + return 0; + + for (i = 0; i < 2; i++) { + int p = data[9 * i + 2]; + input_mt_slot(input, i); + if (p) { + int x = get_unaligned_be16(&data[9 * i + 3]) & 0x7ff; + int y = get_unaligned_be16(&data[9 * i + 5]) & 0x7ff; + input_report_abs(input, ABS_MT_PRESSURE, p); + input_report_abs(input, ABS_MT_POSITION_X, x); + input_report_abs(input, ABS_MT_POSITION_Y, y); + if (wacom->id[i] < 0) + wacom->id[i] = trkid++ & MAX_TRACKING_ID; + if (!count++) + sp = p, sx = x, sy = y; + } else { + wacom->id[i] = -1; + } + input_report_abs(input, ABS_MT_TRACKING_ID, wacom->id[i]); + } + + input_report_key(input, BTN_TOUCH, count > 0); + input_report_key(input, BTN_TOOL_FINGER, count == 1); + input_report_key(input, BTN_TOOL_DOUBLETAP, count == 2); + + input_report_abs(input, ABS_PRESSURE, sp); + input_report_abs(input, ABS_X, sx); + input_report_abs(input, ABS_Y, sy); + + input_report_key(input, BTN_LEFT, (data[1] & 0x08) != 0); + input_report_key(input, BTN_MIDDLE, (data[1] & 0x06) != 0); + input_report_key(input, BTN_RIGHT, (data[1] & 0x01) != 0); + + input_sync(input); + + return 0; +} + void wacom_wac_irq(struct wacom_wac *wacom_wac, size_t len) { bool sync; @@ -863,6 +909,10 @@ void wacom_wac_irq(struct wacom_wac *wacom_wac, size_t len) sync = wacom_tpc_irq(wacom_wac, len); break; + case BAMBOO_TOUCH: + sync = wacom_bbt_irq(wacom_wac, len); + break; + default: sync = false; break; @@ -1038,6 +1088,22 @@ void wacom_setup_input_capabilities(struct input_dev *input_dev, case PENPARTNER: __set_bit(BTN_TOOL_RUBBER, input_dev->keybit); break; + + case BAMBOO_TOUCH: + __clear_bit(ABS_MISC, input_dev->absbit); + __set_bit(BTN_LEFT, input_dev->keybit); + __set_bit(BTN_MIDDLE, input_dev->keybit); + __set_bit(BTN_RIGHT, input_dev->keybit); + + __set_bit(BTN_TOOL_FINGER, input_dev->keybit); + __set_bit(BTN_TOOL_DOUBLETAP, input_dev->keybit); + + input_mt_create_slots(input_dev, 2); + input_set_abs_params(input_dev, ABS_MT_POSITION_X, 0, features->x_max, 4, 0); + input_set_abs_params(input_dev, ABS_MT_POSITION_Y, 0, features->y_max, 4, 0); + input_set_abs_params(input_dev, ABS_MT_PRESSURE, 0, features->pressure_max, 16, 0); + input_set_abs_params(input_dev, ABS_MT_TRACKING_ID, 0, MAX_TRACKING_ID, 0, 0); + break; } } @@ -1171,11 +1237,19 @@ static const struct wacom_features wacom_features_0xE3 = { "Wacom ISDv4 E3", WACOM_PKGLEN_TPC2FG, 26202, 16325, 255, 0, TABLETPC2FG }; static const struct wacom_features wacom_features_0x47 = { "Wacom Intuos2 6x8", WACOM_PKGLEN_INTUOS, 20320, 16240, 1023, 31, INTUOS }; +static const struct wacom_features wacom_features_0xD0_0 = + { "Wacom Bamboo Touch", WACOM_PKGLEN_BBTOUCH, 480, 320, 255, 0, BAMBOO_TOUCH }; +static const struct wacom_features wacom_features_0xD0_2 = + { "Wacom Bamboo Boot", WACOM_PKGLEN_BBFUN, 480, 320, 255, 0, BAMBOO_BOOT }; #define USB_DEVICE_WACOM(prod) \ USB_DEVICE(USB_VENDOR_ID_WACOM, prod), \ .driver_info = (kernel_ulong_t)&wacom_features_##prod +#define USB_DEVICE_WACOM_PROTO(prod, pr) \ + USB_DEVICE_INTERFACE_PROTOCOL(USB_VENDOR_ID_WACOM, prod, pr), \ + .driver_info = (kernel_ulong_t)&wacom_features_##prod##_##pr + const struct usb_device_id wacom_ids[] = { { USB_DEVICE_WACOM(0x00) }, { USB_DEVICE_WACOM(0x10) }, @@ -1234,6 +1308,8 @@ const struct usb_device_id wacom_ids[] = { { USB_DEVICE_WACOM(0xC5) }, { USB_DEVICE_WACOM(0xC6) }, { USB_DEVICE_WACOM(0xC7) }, + { USB_DEVICE_WACOM_PROTO(0xD0, 0) }, + { USB_DEVICE_WACOM_PROTO(0xD0, 2) }, { USB_DEVICE_WACOM(0xCC) }, { USB_DEVICE_WACOM(0x90) }, { USB_DEVICE_WACOM(0x93) }, diff --git a/drivers/input/tablet/wacom_wac.h b/drivers/input/tablet/wacom_wac.h index 854b920..ee06350 100644 --- a/drivers/input/tablet/wacom_wac.h +++ b/drivers/input/tablet/wacom_wac.h @@ -21,6 +21,7 @@ #define WACOM_PKGLEN_INTUOS 10 #define WACOM_PKGLEN_TPC1FG 5 #define WACOM_PKGLEN_TPC2FG 14 +#define WACOM_PKGLEN_BBTOUCH 20 /* device IDs */ #define STYLUS_DEVICE_ID 0x02 @@ -37,6 +38,9 @@ #define WACOM_REPORT_TPC1FG 6 #define WACOM_REPORT_TPC2FG 13 +/* largest reported tracking id */ +#define MAX_TRACKING_ID 0xfff + enum { PENPARTNER = 0, GRAPHIRE, @@ -56,6 +60,8 @@ enum { WACOM_MO, TABLETPC, TABLETPC2FG, + BAMBOO_TOUCH, + BAMBOO_BOOT, MAX_TYPE };