From 387142bb8fcb263771e1fa6b1a96e6a7ca36e820 Mon Sep 17 00:00:00 2001 From: Benjamin Tissoires Date: Wed, 6 Aug 2014 13:52:56 -0700 Subject: [PATCH] Input: wacom - handle Graphire BT tablets in wacom.ko First, merge the Graphire BT tablet. Signed-off-by: Benjamin Tissoires Reviewed-by: Ping Cheng Tested-by: Przemo Firszt Signed-off-by: Dmitry Torokhov --- drivers/hid/hid-core.c | 1 - drivers/hid/hid-wacom.c | 1 - drivers/hid/wacom_sys.c | 33 +++++++++++++ drivers/hid/wacom_wac.c | 100 ++++++++++++++++++++++++++++++++++++++-- drivers/hid/wacom_wac.h | 2 + 5 files changed, 132 insertions(+), 5 deletions(-) diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 1ce751db5a7a..cbabd8786e71 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1942,7 +1942,6 @@ static const struct hid_device_id hid_have_special_driver[] = { { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO) }, { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_DUAL_BOX_PRO) }, { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO) }, - { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH) }, { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_5_8_INCH) }, { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_12_1_INCH) }, diff --git a/drivers/hid/hid-wacom.c b/drivers/hid/hid-wacom.c index 4874f4ec43f5..967c457a2785 100644 --- a/drivers/hid/hid-wacom.c +++ b/drivers/hid/hid-wacom.c @@ -952,7 +952,6 @@ static void wacom_remove(struct hid_device *hdev) } static const struct hid_device_id wacom_devices[] = { - { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH) }, { } diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c index 18154a5459b5..c21e58ba0693 100644 --- a/drivers/hid/wacom_sys.c +++ b/drivers/hid/wacom_sys.c @@ -265,6 +265,39 @@ static int wacom_set_device_mode(struct hid_device *hdev, int report_id, static int wacom_bt_query_tablet_data(struct hid_device *hdev, u8 speed, struct wacom_features *features) { + struct wacom *wacom = hid_get_drvdata(hdev); + int ret; + u8 rep_data[2]; + + switch (features->type) { + case GRAPHIRE_BT: + rep_data[0] = 0x03; + rep_data[1] = 0x00; + ret = wacom_set_report(hdev, HID_FEATURE_REPORT, + rep_data[0], rep_data, 2, 3); + + if (ret >= 0) { + rep_data[0] = speed == 0 ? 0x05 : 0x06; + rep_data[1] = 0x00; + + ret = wacom_set_report(hdev, HID_FEATURE_REPORT, + rep_data[0], rep_data, 2, 3); + + if (ret >= 0) { + wacom->wacom_wac.bt_high_speed = speed; + return 0; + } + } + + /* + * Note that if the raw queries fail, it's not a hard failure + * and it is safe to continue + */ + hid_warn(hdev, "failed to poke device, command %d, err %d\n", + rep_data[0], ret); + break; + } + return 0; } diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c index 71646b311867..fa16a5bf3df3 100644 --- a/drivers/hid/wacom_wac.c +++ b/drivers/hid/wacom_wac.c @@ -25,11 +25,18 @@ #define WACOM_INTUOS_RES 100 #define WACOM_INTUOS3_RES 200 -/* Scale factor relating reported contact size to logical contact area. +/* + * Scale factor relating reported contact size to logical contact area. * 2^14/pi is a good approximation on Intuos5 and 3rd-gen Bamboo */ #define WACOM_CONTACT_AREA_SCALE 2607 +/* + * Percent of battery capacity for Graphire. + * 8th value means AC online and show 100% capacity. + */ +static unsigned short batcap_gr[8] = { 1, 15, 25, 35, 50, 70, 100, 100 }; + static int wacom_penpartner_irq(struct wacom_wac *wacom) { unsigned char *data = wacom->data; @@ -263,11 +270,19 @@ static int wacom_graphire_irq(struct wacom_wac *wacom) unsigned char *data = wacom->data; struct input_dev *input = wacom->input; struct input_dev *pad_input = wacom->pad_input; + int battery_capacity, ps_connected; int prox; int rw = 0; int retval = 0; - if (data[0] != WACOM_REPORT_PENABLED) { + if (features->type == GRAPHIRE_BT) { + if (data[0] != WACOM_REPORT_PENABLED_BT) { + dev_dbg(input->dev.parent, + "%s: received unknown report #%d\n", __func__, + data[0]); + goto exit; + } + } else if (data[0] != WACOM_REPORT_PENABLED) { dev_dbg(input->dev.parent, "%s: received unknown report #%d\n", __func__, data[0]); goto exit; @@ -301,7 +316,12 @@ static int wacom_graphire_irq(struct wacom_wac *wacom) input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2])); input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4])); if (wacom->tool[0] != BTN_TOOL_MOUSE) { - input_report_abs(input, ABS_PRESSURE, data[6] | ((data[7] & 0x03) << 8)); + if (features->type == GRAPHIRE_BT) + input_report_abs(input, ABS_PRESSURE, data[6] | + (((__u16) (data[1] & 0x08)) << 5)); + else + input_report_abs(input, ABS_PRESSURE, data[6] | + ((data[7] & 0x03) << 8)); input_report_key(input, BTN_TOUCH, data[1] & 0x01); input_report_key(input, BTN_STYLUS, data[1] & 0x02); input_report_key(input, BTN_STYLUS2, data[1] & 0x04); @@ -312,6 +332,20 @@ static int wacom_graphire_irq(struct wacom_wac *wacom) features->type == WACOM_MO) { input_report_abs(input, ABS_DISTANCE, data[6] & 0x3f); rw = (data[7] & 0x04) - (data[7] & 0x03); + } else if (features->type == GRAPHIRE_BT) { + /* Compute distance between mouse and tablet */ + rw = 44 - (data[6] >> 2); + rw = clamp_val(rw, 0, 31); + input_report_abs(input, ABS_DISTANCE, rw); + if (((data[1] >> 5) & 3) == 2) { + /* Mouse with wheel */ + input_report_key(input, BTN_MIDDLE, + data[1] & 0x04); + rw = (data[6] & 0x01) ? -1 : + (data[6] & 0x02) ? 1 : 0; + } else { + rw = 0; + } } else { input_report_abs(input, ABS_DISTANCE, data[7] & 0x3f); rw = -(signed char)data[6]; @@ -358,6 +392,31 @@ static int wacom_graphire_irq(struct wacom_wac *wacom) retval = 1; } break; + case GRAPHIRE_BT: + prox = data[7] & 0x03; + if (prox || wacom->id[1]) { + wacom->id[1] = PAD_DEVICE_ID; + input_report_key(pad_input, BTN_0, (data[7] & 0x02)); + input_report_key(pad_input, BTN_1, (data[7] & 0x01)); + if (!prox) + wacom->id[1] = 0; + input_report_abs(pad_input, ABS_MISC, wacom->id[1]); + retval = 1; + } + break; + } + + /* Store current battery capacity and power supply state */ + if (features->type == GRAPHIRE_BT) { + rw = (data[7] >> 2 & 0x07); + battery_capacity = batcap_gr[rw]; + ps_connected = rw == 7; + if ((wacom->battery_capacity != battery_capacity) || + (wacom->ps_connected != ps_connected)) { + wacom->battery_capacity = battery_capacity; + wacom->ps_connected = ps_connected; + wacom_notify_battery(wacom); + } } exit: return retval; @@ -1418,6 +1477,7 @@ void wacom_wac_irq(struct wacom_wac *wacom_wac, size_t len) case WACOM_G4: case GRAPHIRE: + case GRAPHIRE_BT: case WACOM_MO: sync = wacom_graphire_irq(wacom_wac); break; @@ -1654,6 +1714,27 @@ int wacom_setup_input_capabilities(struct input_dev *input_dev, __set_bit(INPUT_PROP_POINTER, input_dev->propbit); break; + case GRAPHIRE_BT: + __clear_bit(ABS_MISC, input_dev->absbit); + input_set_abs_params(input_dev, ABS_DISTANCE, 0, + features->distance_max, + 0, 0); + + input_set_capability(input_dev, EV_REL, REL_WHEEL); + + __set_bit(BTN_LEFT, input_dev->keybit); + __set_bit(BTN_RIGHT, input_dev->keybit); + __set_bit(BTN_MIDDLE, input_dev->keybit); + + __set_bit(BTN_TOOL_RUBBER, input_dev->keybit); + __set_bit(BTN_TOOL_PEN, input_dev->keybit); + __set_bit(BTN_TOOL_MOUSE, input_dev->keybit); + __set_bit(BTN_STYLUS, input_dev->keybit); + __set_bit(BTN_STYLUS2, input_dev->keybit); + + __set_bit(INPUT_PROP_POINTER, input_dev->propbit); + break; + case WACOM_24HD: input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0); input_set_abs_params(input_dev, ABS_THROTTLE, 0, 71, 0, 0); @@ -1862,6 +1943,11 @@ int wacom_setup_pad_input_capabilities(struct input_dev *input_dev, input_set_abs_params(input_dev, ABS_Y, 0, 1, 0, 0); switch (features->type) { + case GRAPHIRE_BT: + __set_bit(BTN_0, input_dev->keybit); + __set_bit(BTN_1, input_dev->keybit); + break; + case WACOM_MO: __set_bit(BTN_BACK, input_dev->keybit); __set_bit(BTN_LEFT, input_dev->keybit); @@ -2031,6 +2117,9 @@ static const struct wacom_features wacom_features_0x00 = static const struct wacom_features wacom_features_0x10 = { "Wacom Graphire", 10206, 7422, 511, 63, GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES }; +static const struct wacom_features wacom_features_0x81 = + { "Wacom Graphire BT", 16704, 12064, 511, 32, + GRAPHIRE_BT, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES }; static const struct wacom_features wacom_features_0x11 = { "Wacom Graphire2 4x5", 10206, 7422, 511, 63, GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES }; @@ -2429,6 +2518,10 @@ static const struct wacom_features wacom_features_0x309 = HID_DEVICE(BUS_USB, HID_GROUP_WACOM, USB_VENDOR_ID_WACOM, prod),\ .driver_data = (kernel_ulong_t)&wacom_features_##prod +#define BT_DEVICE_WACOM(prod) \ + HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_WACOM, USB_VENDOR_ID_WACOM, prod),\ + .driver_data = (kernel_ulong_t)&wacom_features_##prod + #define USB_DEVICE_LENOVO(prod) \ HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, prod), \ .driver_data = (kernel_ulong_t)&wacom_features_##prod @@ -2486,6 +2579,7 @@ const struct hid_device_id wacom_ids[] = { { USB_DEVICE_WACOM(0x69) }, { USB_DEVICE_WACOM(0x6A) }, { USB_DEVICE_WACOM(0x6B) }, + { BT_DEVICE_WACOM(0x81) }, { USB_DEVICE_WACOM(0x84) }, { USB_DEVICE_WACOM(0x90) }, { USB_DEVICE_WACOM(0x93) }, diff --git a/drivers/hid/wacom_wac.h b/drivers/hid/wacom_wac.h index 6cefa1e8c14b..4f0178b9a789 100644 --- a/drivers/hid/wacom_wac.h +++ b/drivers/hid/wacom_wac.h @@ -46,6 +46,7 @@ /* wacom data packet report IDs */ #define WACOM_REPORT_PENABLED 2 +#define WACOM_REPORT_PENABLED_BT 3 #define WACOM_REPORT_INTUOSREAD 5 #define WACOM_REPORT_INTUOSWRITE 6 #define WACOM_REPORT_INTUOSPAD 12 @@ -73,6 +74,7 @@ enum { PENPARTNER = 0, GRAPHIRE, + GRAPHIRE_BT, WACOM_G4, PTU, PL, -- 2.30.2