From 2aaacb153689dbe9064e4db7e9d00de0edfc1fa0 Mon Sep 17 00:00:00 2001 From: Chris Bagwell Date: Sun, 12 Sep 2010 00:11:35 -0700 Subject: [PATCH] Input: wacom - add support for Bamboo Pen This adds support for Pen on Bamboo Pen and Bamboo Pen&Touch devices. Touchpad is handled by previous Bamboo Touch logic. Signed-off-by: Chris Bagwell Acked-by: Ping Cheng Signed-off-by: Dmitry Torokhov --- drivers/input/tablet/wacom_wac.c | 79 ++++++++++++++++++++++++++++++++ 1 file changed, 79 insertions(+) diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c index 2f7ed9a631b9..536156baedfe 100644 --- a/drivers/input/tablet/wacom_wac.c +++ b/drivers/input/tablet/wacom_wac.c @@ -904,10 +904,75 @@ static int wacom_bpt_touch(struct wacom_wac *wacom) return 0; } +static int wacom_bpt_pen(struct wacom_wac *wacom) +{ + struct input_dev *input = wacom->input; + unsigned char *data = wacom->data; + int prox = 0, x = 0, y = 0, p = 0, d = 0, pen = 0, btn1 = 0, btn2 = 0; + + /* + * Similar to Graphire protocol, data[1] & 0x20 is proximity and + * data[1] & 0x18 is tool ID. 0x30 is safety check to ignore + * 2 unused tool ID's. + */ + prox = (data[1] & 0x30) == 0x30; + + /* + * All reports shared between PEN and RUBBER tool must be + * forced to a known starting value (zero) when transitioning to + * out-of-prox. + * + * If not reset then, to userspace, it will look like lost events + * if new tool comes in-prox with same values as previous tool sent. + * + * Hardware does report zero in most out-of-prox cases but not all. + */ + if (prox) { + if (!wacom->shared->stylus_in_proximity) { + if (data[1] & 0x08) { + wacom->tool[0] = BTN_TOOL_RUBBER; + wacom->id[0] = ERASER_DEVICE_ID; + } else { + wacom->tool[0] = BTN_TOOL_PEN; + wacom->id[0] = STYLUS_DEVICE_ID; + } + wacom->shared->stylus_in_proximity = true; + } + x = le16_to_cpup((__le16 *)&data[2]); + y = le16_to_cpup((__le16 *)&data[4]); + p = le16_to_cpup((__le16 *)&data[6]); + d = data[8]; + pen = data[1] & 0x01; + btn1 = data[1] & 0x02; + btn2 = data[1] & 0x04; + } + + input_report_key(input, BTN_TOUCH, pen); + input_report_key(input, BTN_STYLUS, btn1); + input_report_key(input, BTN_STYLUS2, btn2); + + input_report_abs(input, ABS_X, x); + input_report_abs(input, ABS_Y, y); + input_report_abs(input, ABS_PRESSURE, p); + input_report_abs(input, ABS_DISTANCE, d); + + if (!prox) { + wacom->id[0] = 0; + wacom->shared->stylus_in_proximity = false; + } + + input_report_key(input, wacom->tool[0], prox); /* PEN or RUBBER */ + input_report_abs(input, ABS_MISC, wacom->id[0]); /* TOOL ID */ + + return 1; +} + static int wacom_bpt_irq(struct wacom_wac *wacom, size_t len) { if (len == WACOM_PKGLEN_BBTOUCH) return wacom_bpt_touch(wacom); + else if (len == WACOM_PKGLEN_BBFUN) + return wacom_bpt_pen(wacom); return 0; } @@ -1193,6 +1258,11 @@ void wacom_setup_input_capabilities(struct input_dev *input_dev, features->pressure_fuzz, 0); input_set_abs_params(input_dev, ABS_MT_TRACKING_ID, 0, MAX_TRACKING_ID, 0, 0); + } else if (features->device_type == BTN_TOOL_PEN) { + __set_bit(BTN_TOOL_RUBBER, input_dev->keybit); + __set_bit(BTN_TOOL_PEN, input_dev->keybit); + __set_bit(BTN_STYLUS, input_dev->keybit); + __set_bit(BTN_STYLUS2, input_dev->keybit); } break; } @@ -1334,6 +1404,12 @@ static const struct wacom_features wacom_features_0x47 = { "Wacom Intuos2 6x8", WACOM_PKGLEN_INTUOS, 20320, 16240, 1023, 31, INTUOS }; static struct wacom_features wacom_features_0xD0 = { "Wacom Bamboo 2FG", WACOM_PKGLEN_BBFUN, 14720, 9200, 1023, 63, BAMBOO_PT }; +static struct wacom_features wacom_features_0xD1 = + { "Wacom Bamboo 2FG 4x5", WACOM_PKGLEN_BBFUN, 14720, 9200, 1023, 63, BAMBOO_PT }; +static struct wacom_features wacom_features_0xD2 = + { "Wacom Bamboo Craft", WACOM_PKGLEN_BBFUN, 14720, 9200, 1023, 63, BAMBOO_PT }; +static struct wacom_features wacom_features_0xD3 = + { "Wacom Bamboo 2FG 6x8", WACOM_PKGLEN_BBFUN, 21648, 13530, 1023, 63, BAMBOO_PT }; #define USB_DEVICE_WACOM(prod) \ USB_DEVICE(USB_VENDOR_ID_WACOM, prod), \ @@ -1399,6 +1475,9 @@ const struct usb_device_id wacom_ids[] = { { USB_DEVICE_WACOM(0xC7) }, { USB_DEVICE_WACOM(0xCE) }, { USB_DEVICE_WACOM(0xD0) }, + { USB_DEVICE_WACOM(0xD1) }, + { USB_DEVICE_WACOM(0xD2) }, + { USB_DEVICE_WACOM(0xD3) }, { USB_DEVICE_WACOM(0xF0) }, { USB_DEVICE_WACOM(0xCC) }, { USB_DEVICE_WACOM(0x90) }, -- 2.39.5