| /* |
| * drivers/input/tablet/wacom_wac.c |
| * |
| * USB Wacom tablet support - Wacom specific code |
| * |
| */ |
| |
| /* |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| */ |
| |
| #include "wacom_wac.h" |
| #include "wacom.h" |
| #include <linux/input/mt.h> |
| |
| /* resolution for penabled devices */ |
| #define WACOM_PL_RES 20 |
| #define WACOM_PENPRTN_RES 40 |
| #define WACOM_VOLITO_RES 50 |
| #define WACOM_GRAPHIRE_RES 80 |
| #define WACOM_INTUOS_RES 100 |
| #define WACOM_INTUOS3_RES 200 |
| |
| /* Newer Cintiq and DTU have an offset between tablet and screen areas */ |
| #define WACOM_DTU_OFFSET 200 |
| #define WACOM_CINTIQ_OFFSET 400 |
| |
| /* |
| * 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 |
| |
| static bool touch_arbitration = 1; |
| module_param(touch_arbitration, bool, 0644); |
| MODULE_PARM_DESC(touch_arbitration, " on (Y) off (N)"); |
| |
| static void wacom_report_numbered_buttons(struct input_dev *input_dev, |
| int button_count, int mask); |
| |
| static int wacom_numbered_button_to_key(int n); |
| |
| static void wacom_update_led(struct wacom *wacom, int button_count, int mask, |
| int group); |
| /* |
| * 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 }; |
| |
| /* |
| * Percent of battery capacity for Intuos4 WL, AC has a separate bit. |
| */ |
| static unsigned short batcap_i4[8] = { 1, 15, 30, 45, 60, 70, 85, 100 }; |
| |
| static void __wacom_notify_battery(struct wacom_battery *battery, |
| int bat_status, int bat_capacity, |
| bool bat_charging, bool bat_connected, |
| bool ps_connected) |
| { |
| bool changed = battery->bat_status != bat_status || |
| battery->battery_capacity != bat_capacity || |
| battery->bat_charging != bat_charging || |
| battery->bat_connected != bat_connected || |
| battery->ps_connected != ps_connected; |
| |
| if (changed) { |
| battery->bat_status = bat_status; |
| battery->battery_capacity = bat_capacity; |
| battery->bat_charging = bat_charging; |
| battery->bat_connected = bat_connected; |
| battery->ps_connected = ps_connected; |
| |
| if (battery->battery) |
| power_supply_changed(battery->battery); |
| } |
| } |
| |
| static void wacom_notify_battery(struct wacom_wac *wacom_wac, |
| int bat_status, int bat_capacity, bool bat_charging, |
| bool bat_connected, bool ps_connected) |
| { |
| struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac); |
| |
| __wacom_notify_battery(&wacom->battery, bat_status, bat_capacity, |
| bat_charging, bat_connected, ps_connected); |
| } |
| |
| static int wacom_penpartner_irq(struct wacom_wac *wacom) |
| { |
| unsigned char *data = wacom->data; |
| struct input_dev *input = wacom->pen_input; |
| |
| switch (data[0]) { |
| case 1: |
| if (data[5] & 0x80) { |
| wacom->tool[0] = (data[5] & 0x20) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN; |
| wacom->id[0] = (data[5] & 0x20) ? ERASER_DEVICE_ID : STYLUS_DEVICE_ID; |
| input_report_key(input, wacom->tool[0], 1); |
| input_report_abs(input, ABS_MISC, wacom->id[0]); /* report tool id */ |
| input_report_abs(input, ABS_X, get_unaligned_le16(&data[1])); |
| input_report_abs(input, ABS_Y, get_unaligned_le16(&data[3])); |
| input_report_abs(input, ABS_PRESSURE, (signed char)data[6] + 127); |
| input_report_key(input, BTN_TOUCH, ((signed char)data[6] > -127)); |
| input_report_key(input, BTN_STYLUS, (data[5] & 0x40)); |
| } else { |
| input_report_key(input, wacom->tool[0], 0); |
| input_report_abs(input, ABS_MISC, 0); /* report tool id */ |
| input_report_abs(input, ABS_PRESSURE, -1); |
| input_report_key(input, BTN_TOUCH, 0); |
| } |
| break; |
| |
| case 2: |
| input_report_key(input, BTN_TOOL_PEN, 1); |
| input_report_abs(input, ABS_MISC, STYLUS_DEVICE_ID); /* report tool id */ |
| input_report_abs(input, ABS_X, get_unaligned_le16(&data[1])); |
| input_report_abs(input, ABS_Y, get_unaligned_le16(&data[3])); |
| input_report_abs(input, ABS_PRESSURE, (signed char)data[6] + 127); |
| input_report_key(input, BTN_TOUCH, ((signed char)data[6] > -80) && !(data[5] & 0x20)); |
| input_report_key(input, BTN_STYLUS, (data[5] & 0x40)); |
| break; |
| |
| default: |
| dev_dbg(input->dev.parent, |
| "%s: received unknown report #%d\n", __func__, data[0]); |
| return 0; |
| } |
| |
| return 1; |
| } |
| |
| static int wacom_pl_irq(struct wacom_wac *wacom) |
| { |
| struct wacom_features *features = &wacom->features; |
| unsigned char *data = wacom->data; |
| struct input_dev *input = wacom->pen_input; |
| int prox, pressure; |
| |
| if (data[0] != WACOM_REPORT_PENABLED) { |
| dev_dbg(input->dev.parent, |
| "%s: received unknown report #%d\n", __func__, data[0]); |
| return 0; |
| } |
| |
| prox = data[1] & 0x40; |
| |
| if (!wacom->id[0]) { |
| if ((data[0] & 0x10) || (data[4] & 0x20)) { |
| 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; |
| } |
| } |
| |
| /* If the eraser is in prox, STYLUS2 is always set. If we |
| * mis-detected the type and notice that STYLUS2 isn't set |
| * then force the eraser out of prox and let the pen in. |
| */ |
| if (wacom->tool[0] == BTN_TOOL_RUBBER && !(data[4] & 0x20)) { |
| input_report_key(input, BTN_TOOL_RUBBER, 0); |
| input_report_abs(input, ABS_MISC, 0); |
| input_sync(input); |
| wacom->tool[0] = BTN_TOOL_PEN; |
| wacom->id[0] = STYLUS_DEVICE_ID; |
| } |
| |
| if (prox) { |
| pressure = (signed char)((data[7] << 1) | ((data[4] >> 2) & 1)); |
| if (features->pressure_max > 255) |
| pressure = (pressure << 1) | ((data[4] >> 6) & 1); |
| pressure += (features->pressure_max + 1) / 2; |
| |
| input_report_abs(input, ABS_X, data[3] | (data[2] << 7) | ((data[1] & 0x03) << 14)); |
| input_report_abs(input, ABS_Y, data[6] | (data[5] << 7) | ((data[4] & 0x03) << 14)); |
| input_report_abs(input, ABS_PRESSURE, pressure); |
| |
| input_report_key(input, BTN_TOUCH, data[4] & 0x08); |
| input_report_key(input, BTN_STYLUS, data[4] & 0x10); |
| /* Only allow the stylus2 button to be reported for the pen tool. */ |
| input_report_key(input, BTN_STYLUS2, (wacom->tool[0] == BTN_TOOL_PEN) && (data[4] & 0x20)); |
| } |
| |
| if (!prox) |
| wacom->id[0] = 0; |
| input_report_key(input, wacom->tool[0], prox); |
| input_report_abs(input, ABS_MISC, wacom->id[0]); |
| return 1; |
| } |
| |
| static int wacom_ptu_irq(struct wacom_wac *wacom) |
| { |
| unsigned char *data = wacom->data; |
| struct input_dev *input = wacom->pen_input; |
| |
| if (data[0] != WACOM_REPORT_PENABLED) { |
| dev_dbg(input->dev.parent, |
| "%s: received unknown report #%d\n", __func__, data[0]); |
| return 0; |
| } |
| |
| if (data[1] & 0x04) { |
| input_report_key(input, BTN_TOOL_RUBBER, data[1] & 0x20); |
| input_report_key(input, BTN_TOUCH, data[1] & 0x08); |
| wacom->id[0] = ERASER_DEVICE_ID; |
| } else { |
| input_report_key(input, BTN_TOOL_PEN, data[1] & 0x20); |
| input_report_key(input, BTN_TOUCH, data[1] & 0x01); |
| wacom->id[0] = STYLUS_DEVICE_ID; |
| } |
| input_report_abs(input, ABS_MISC, wacom->id[0]); /* report tool id */ |
| 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_STYLUS, data[1] & 0x02); |
| input_report_key(input, BTN_STYLUS2, data[1] & 0x10); |
| return 1; |
| } |
| |
| static int wacom_dtu_irq(struct wacom_wac *wacom) |
| { |
| unsigned char *data = wacom->data; |
| struct input_dev *input = wacom->pen_input; |
| int prox = data[1] & 0x20; |
| |
| dev_dbg(input->dev.parent, |
| "%s: received report #%d", __func__, data[0]); |
| |
| if (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; |
| } |
| 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])); |
| input_report_abs(input, ABS_PRESSURE, ((data[7] & 0x01) << 8) | data[6]); |
| input_report_key(input, BTN_TOUCH, data[1] & 0x05); |
| if (!prox) /* out-prox */ |
| wacom->id[0] = 0; |
| input_report_key(input, wacom->tool[0], prox); |
| input_report_abs(input, ABS_MISC, wacom->id[0]); |
| return 1; |
| } |
| |
| static int wacom_dtus_irq(struct wacom_wac *wacom) |
| { |
| char *data = wacom->data; |
| struct input_dev *input = wacom->pen_input; |
| unsigned short prox, pressure = 0; |
| |
| if (data[0] != WACOM_REPORT_DTUS && data[0] != WACOM_REPORT_DTUSPAD) { |
| dev_dbg(input->dev.parent, |
| "%s: received unknown report #%d", __func__, data[0]); |
| return 0; |
| } else if (data[0] == WACOM_REPORT_DTUSPAD) { |
| input = wacom->pad_input; |
| input_report_key(input, BTN_0, (data[1] & 0x01)); |
| input_report_key(input, BTN_1, (data[1] & 0x02)); |
| input_report_key(input, BTN_2, (data[1] & 0x04)); |
| input_report_key(input, BTN_3, (data[1] & 0x08)); |
| input_report_abs(input, ABS_MISC, |
| data[1] & 0x0f ? PAD_DEVICE_ID : 0); |
| return 1; |
| } else { |
| prox = data[1] & 0x80; |
| if (prox) { |
| switch ((data[1] >> 3) & 3) { |
| case 1: /* Rubber */ |
| wacom->tool[0] = BTN_TOOL_RUBBER; |
| wacom->id[0] = ERASER_DEVICE_ID; |
| break; |
| |
| case 2: /* Pen */ |
| wacom->tool[0] = BTN_TOOL_PEN; |
| wacom->id[0] = STYLUS_DEVICE_ID; |
| break; |
| } |
| } |
| |
| input_report_key(input, BTN_STYLUS, data[1] & 0x20); |
| input_report_key(input, BTN_STYLUS2, data[1] & 0x40); |
| input_report_abs(input, ABS_X, get_unaligned_be16(&data[3])); |
| input_report_abs(input, ABS_Y, get_unaligned_be16(&data[5])); |
| pressure = ((data[1] & 0x03) << 8) | (data[2] & 0xff); |
| input_report_abs(input, ABS_PRESSURE, pressure); |
| input_report_key(input, BTN_TOUCH, pressure > 10); |
| |
| if (!prox) /* out-prox */ |
| wacom->id[0] = 0; |
| input_report_key(input, wacom->tool[0], prox); |
| input_report_abs(input, ABS_MISC, wacom->id[0]); |
| return 1; |
| } |
| } |
| |
| static int wacom_graphire_irq(struct wacom_wac *wacom) |
| { |
| struct wacom_features *features = &wacom->features; |
| unsigned char *data = wacom->data; |
| struct input_dev *input = wacom->pen_input; |
| struct input_dev *pad_input = wacom->pad_input; |
| int battery_capacity, ps_connected; |
| int prox; |
| int rw = 0; |
| int retval = 0; |
| |
| 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; |
| } |
| |
| prox = data[1] & 0x80; |
| if (prox || wacom->id[0]) { |
| if (prox) { |
| switch ((data[1] >> 5) & 3) { |
| |
| case 0: /* Pen */ |
| wacom->tool[0] = BTN_TOOL_PEN; |
| wacom->id[0] = STYLUS_DEVICE_ID; |
| break; |
| |
| case 1: /* Rubber */ |
| wacom->tool[0] = BTN_TOOL_RUBBER; |
| wacom->id[0] = ERASER_DEVICE_ID; |
| break; |
| |
| case 2: /* Mouse with wheel */ |
| input_report_key(input, BTN_MIDDLE, data[1] & 0x04); |
| /* fall through */ |
| |
| case 3: /* Mouse without wheel */ |
| wacom->tool[0] = BTN_TOOL_MOUSE; |
| wacom->id[0] = CURSOR_DEVICE_ID; |
| break; |
| } |
| } |
| 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) { |
| 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); |
| } else { |
| input_report_key(input, BTN_LEFT, data[1] & 0x01); |
| input_report_key(input, BTN_RIGHT, data[1] & 0x02); |
| if (features->type == WACOM_G4 || |
| 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]; |
| } |
| input_report_rel(input, REL_WHEEL, rw); |
| } |
| |
| if (!prox) |
| wacom->id[0] = 0; |
| input_report_abs(input, ABS_MISC, wacom->id[0]); /* report tool id */ |
| input_report_key(input, wacom->tool[0], prox); |
| input_sync(input); /* sync last event */ |
| } |
| |
| /* send pad data */ |
| switch (features->type) { |
| case WACOM_G4: |
| prox = data[7] & 0xf8; |
| if (prox || wacom->id[1]) { |
| wacom->id[1] = PAD_DEVICE_ID; |
| input_report_key(pad_input, BTN_BACK, (data[7] & 0x40)); |
| input_report_key(pad_input, BTN_FORWARD, (data[7] & 0x80)); |
| rw = ((data[7] & 0x18) >> 3) - ((data[7] & 0x20) >> 3); |
| input_report_rel(pad_input, REL_WHEEL, rw); |
| if (!prox) |
| wacom->id[1] = 0; |
| input_report_abs(pad_input, ABS_MISC, wacom->id[1]); |
| retval = 1; |
| } |
| break; |
| |
| case WACOM_MO: |
| prox = (data[7] & 0xf8) || data[8]; |
| if (prox || wacom->id[1]) { |
| wacom->id[1] = PAD_DEVICE_ID; |
| input_report_key(pad_input, BTN_BACK, (data[7] & 0x08)); |
| input_report_key(pad_input, BTN_LEFT, (data[7] & 0x20)); |
| input_report_key(pad_input, BTN_FORWARD, (data[7] & 0x10)); |
| input_report_key(pad_input, BTN_RIGHT, (data[7] & 0x40)); |
| input_report_abs(pad_input, ABS_WHEEL, (data[8] & 0x7f)); |
| if (!prox) |
| wacom->id[1] = 0; |
| input_report_abs(pad_input, ABS_MISC, wacom->id[1]); |
| 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; |
| wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO, |
| battery_capacity, ps_connected, 1, |
| ps_connected); |
| } |
| exit: |
| return retval; |
| } |
| |
| static void wacom_intuos_schedule_prox_event(struct wacom_wac *wacom_wac) |
| { |
| struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac); |
| struct wacom_features *features = &wacom_wac->features; |
| struct hid_report *r; |
| struct hid_report_enum *re; |
| |
| re = &(wacom->hdev->report_enum[HID_FEATURE_REPORT]); |
| if (features->type == INTUOSHT2) |
| r = re->report_id_hash[WACOM_REPORT_INTUOSHT2_ID]; |
| else |
| r = re->report_id_hash[WACOM_REPORT_INTUOS_ID1]; |
| if (r) { |
| hid_hw_request(wacom->hdev, r, HID_REQ_GET_REPORT); |
| } |
| } |
| |
| static int wacom_intuos_pad(struct wacom_wac *wacom) |
| { |
| struct wacom_features *features = &wacom->features; |
| unsigned char *data = wacom->data; |
| struct input_dev *input = wacom->pad_input; |
| int i; |
| int buttons = 0, nbuttons = features->numbered_buttons; |
| int keys = 0, nkeys = 0; |
| int ring1 = 0, ring2 = 0; |
| int strip1 = 0, strip2 = 0; |
| bool prox = false; |
| |
| /* pad packets. Works as a second tool and is always in prox */ |
| if (!(data[0] == WACOM_REPORT_INTUOSPAD || data[0] == WACOM_REPORT_INTUOS5PAD || |
| data[0] == WACOM_REPORT_CINTIQPAD)) |
| return 0; |
| |
| if (features->type >= INTUOS4S && features->type <= INTUOS4L) { |
| buttons = (data[3] << 1) | (data[2] & 0x01); |
| ring1 = data[1]; |
| } else if (features->type == DTK) { |
| buttons = data[6]; |
| } else if (features->type == WACOM_13HD) { |
| buttons = (data[4] << 1) | (data[3] & 0x01); |
| } else if (features->type == WACOM_24HD) { |
| buttons = (data[8] << 8) | data[6]; |
| ring1 = data[1]; |
| ring2 = data[2]; |
| |
| /* |
| * Three "buttons" are available on the 24HD which are |
| * physically implemented as a touchstrip. Each button |
| * is approximately 3 bits wide with a 2 bit spacing. |
| * The raw touchstrip bits are stored at: |
| * ((data[3] & 0x1f) << 8) | data[4]) |
| */ |
| nkeys = 3; |
| keys = ((data[3] & 0x1C) ? 1<<2 : 0) | |
| ((data[4] & 0xE0) ? 1<<1 : 0) | |
| ((data[4] & 0x07) ? 1<<0 : 0); |
| } else if (features->type == WACOM_27QHD) { |
| nkeys = 3; |
| keys = data[2] & 0x07; |
| |
| input_report_abs(input, ABS_X, be16_to_cpup((__be16 *)&data[4])); |
| input_report_abs(input, ABS_Y, be16_to_cpup((__be16 *)&data[6])); |
| input_report_abs(input, ABS_Z, be16_to_cpup((__be16 *)&data[8])); |
| } else if (features->type == CINTIQ_HYBRID) { |
| /* |
| * Do not send hardware buttons under Android. They |
| * are already sent to the system through GPIO (and |
| * have different meaning). |
| * |
| * d-pad right -> data[4] & 0x10 |
| * d-pad up -> data[4] & 0x20 |
| * d-pad left -> data[4] & 0x40 |
| * d-pad down -> data[4] & 0x80 |
| * d-pad center -> data[3] & 0x01 |
| */ |
| buttons = (data[4] << 1) | (data[3] & 0x01); |
| } else if (features->type == CINTIQ_COMPANION_2) { |
| /* d-pad right -> data[4] & 0x10 |
| * d-pad up -> data[4] & 0x20 |
| * d-pad left -> data[4] & 0x40 |
| * d-pad down -> data[4] & 0x80 |
| * d-pad center -> data[3] & 0x01 |
| */ |
| buttons = ((data[2] >> 4) << 7) | |
| ((data[1] & 0x04) << 6) | |
| ((data[2] & 0x0F) << 2) | |
| (data[1] & 0x03); |
| } else if (features->type >= INTUOS5S && features->type <= INTUOSPL) { |
| /* |
| * ExpressKeys on Intuos5/Intuos Pro have a capacitive sensor in |
| * addition to the mechanical switch. Switch data is |
| * stored in data[4], capacitive data in data[5]. |
| * |
| * Touch ring mode switch (data[3]) has no capacitive sensor |
| */ |
| buttons = (data[4] << 1) | (data[3] & 0x01); |
| ring1 = data[2]; |
| } else { |
| if (features->type == WACOM_21UX2 || features->type == WACOM_22HD) { |
| buttons = (data[8] << 10) | ((data[7] & 0x01) << 9) | |
| (data[6] << 1) | (data[5] & 0x01); |
| |
| if (features->type == WACOM_22HD) { |
| nkeys = 3; |
| keys = data[9] & 0x07; |
| } |
| } else { |
| buttons = ((data[6] & 0x10) << 5) | |
| ((data[5] & 0x10) << 4) | |
| ((data[6] & 0x0F) << 4) | |
| (data[5] & 0x0F); |
| } |
| strip1 = ((data[1] & 0x1f) << 8) | data[2]; |
| strip2 = ((data[3] & 0x1f) << 8) | data[4]; |
| } |
| |
| prox = (buttons & ~(~0 << nbuttons)) | (keys & ~(~0 << nkeys)) | |
| (ring1 & 0x80) | (ring2 & 0x80) | strip1 | strip2; |
| |
| wacom_report_numbered_buttons(input, nbuttons, buttons); |
| |
| for (i = 0; i < nkeys; i++) |
| input_report_key(input, KEY_PROG1 + i, keys & (1 << i)); |
| |
| input_report_abs(input, ABS_RX, strip1); |
| input_report_abs(input, ABS_RY, strip2); |
| |
| input_report_abs(input, ABS_WHEEL, (ring1 & 0x80) ? (ring1 & 0x7f) : 0); |
| input_report_abs(input, ABS_THROTTLE, (ring2 & 0x80) ? (ring2 & 0x7f) : 0); |
| |
| input_report_key(input, wacom->tool[1], prox ? 1 : 0); |
| input_report_abs(input, ABS_MISC, prox ? PAD_DEVICE_ID : 0); |
| |
| input_event(input, EV_MSC, MSC_SERIAL, 0xffffffff); |
| |
| return 1; |
| } |
| |
| static int wacom_intuos_id_mangle(int tool_id) |
| { |
| return (tool_id & ~0xFFF) << 4 | (tool_id & 0xFFF); |
| } |
| |
| static int wacom_intuos_get_tool_type(int tool_id) |
| { |
| int tool_type; |
| |
| switch (tool_id) { |
| case 0x812: /* Inking pen */ |
| case 0x801: /* Intuos3 Inking pen */ |
| case 0x12802: /* Intuos4/5 Inking Pen */ |
| case 0x012: |
| tool_type = BTN_TOOL_PENCIL; |
| break; |
| |
| case 0x822: /* Pen */ |
| case 0x842: |
| case 0x852: |
| case 0x823: /* Intuos3 Grip Pen */ |
| case 0x813: /* Intuos3 Classic Pen */ |
| case 0x885: /* Intuos3 Marker Pen */ |
| case 0x802: /* Intuos4/5 13HD/24HD General Pen */ |
| case 0x804: /* Intuos4/5 13HD/24HD Marker Pen */ |
| case 0x8e2: /* IntuosHT2 pen */ |
| case 0x022: |
| case 0x10804: /* Intuos4/5 13HD/24HD Art Pen */ |
| case 0x14802: /* Intuos4/5 13HD/24HD Classic Pen */ |
| case 0x16802: /* Cintiq 13HD Pro Pen */ |
| case 0x18802: /* DTH2242 Pen */ |
| case 0x10802: /* Intuos4/5 13HD/24HD General Pen */ |
| tool_type = BTN_TOOL_PEN; |
| break; |
| |
| case 0x832: /* Stroke pen */ |
| case 0x032: |
| tool_type = BTN_TOOL_BRUSH; |
| break; |
| |
| case 0x007: /* Mouse 4D and 2D */ |
| case 0x09c: |
| case 0x094: |
| case 0x017: /* Intuos3 2D Mouse */ |
| case 0x806: /* Intuos4 Mouse */ |
| tool_type = BTN_TOOL_MOUSE; |
| break; |
| |
| case 0x096: /* Lens cursor */ |
| case 0x097: /* Intuos3 Lens cursor */ |
| case 0x006: /* Intuos4 Lens cursor */ |
| tool_type = BTN_TOOL_LENS; |
| break; |
| |
| case 0x82a: /* Eraser */ |
| case 0x84a: |
| case 0x85a: |
| case 0x91a: |
| case 0xd1a: |
| case 0x0fa: |
| case 0x82b: /* Intuos3 Grip Pen Eraser */ |
| case 0x81b: /* Intuos3 Classic Pen Eraser */ |
| case 0x91b: /* Intuos3 Airbrush Eraser */ |
| case 0x80c: /* Intuos4/5 13HD/24HD Marker Pen Eraser */ |
| case 0x80a: /* Intuos4/5 13HD/24HD General Pen Eraser */ |
| case 0x90a: /* Intuos4/5 13HD/24HD Airbrush Eraser */ |
| case 0x1480a: /* Intuos4/5 13HD/24HD Classic Pen Eraser */ |
| case 0x1090a: /* Intuos4/5 13HD/24HD Airbrush Eraser */ |
| case 0x1080c: /* Intuos4/5 13HD/24HD Art Pen Eraser */ |
| case 0x1680a: /* Cintiq 13HD Pro Pen Eraser */ |
| case 0x1880a: /* DTH2242 Eraser */ |
| case 0x1080a: /* Intuos4/5 13HD/24HD General Pen Eraser */ |
| tool_type = BTN_TOOL_RUBBER; |
| break; |
| |
| case 0xd12: |
| case 0x912: |
| case 0x112: |
| case 0x913: /* Intuos3 Airbrush */ |
| case 0x902: /* Intuos4/5 13HD/24HD Airbrush */ |
| case 0x10902: /* Intuos4/5 13HD/24HD Airbrush */ |
| tool_type = BTN_TOOL_AIRBRUSH; |
| break; |
| |
| default: /* Unknown tool */ |
| tool_type = BTN_TOOL_PEN; |
| break; |
| } |
| return tool_type; |
| } |
| |
| static int wacom_intuos_inout(struct wacom_wac *wacom) |
| { |
| struct wacom_features *features = &wacom->features; |
| unsigned char *data = wacom->data; |
| struct input_dev *input = wacom->pen_input; |
| int idx = (features->type == INTUOS) ? (data[1] & 0x01) : 0; |
| |
| if (!(((data[1] & 0xfc) == 0xc0) || /* in prox */ |
| ((data[1] & 0xfe) == 0x20) || /* in range */ |
| ((data[1] & 0xfe) == 0x80))) /* out prox */ |
| return 0; |
| |
| /* Enter report */ |
| if ((data[1] & 0xfc) == 0xc0) { |
| /* serial number of the tool */ |
| wacom->serial[idx] = ((data[3] & 0x0f) << 28) + |
| (data[4] << 20) + (data[5] << 12) + |
| (data[6] << 4) + (data[7] >> 4); |
| |
| wacom->id[idx] = (data[2] << 4) | (data[3] >> 4) | |
| ((data[7] & 0x0f) << 16) | ((data[8] & 0xf0) << 8); |
| |
| wacom->tool[idx] = wacom_intuos_get_tool_type(wacom->id[idx]); |
| |
| wacom->shared->stylus_in_proximity = true; |
| return 1; |
| } |
| |
| /* in Range */ |
| if ((data[1] & 0xfe) == 0x20) { |
| if (features->type != INTUOSHT2) |
| wacom->shared->stylus_in_proximity = true; |
| |
| /* in Range while exiting */ |
| if (wacom->reporting_data) { |
| input_report_key(input, BTN_TOUCH, 0); |
| input_report_abs(input, ABS_PRESSURE, 0); |
| input_report_abs(input, ABS_DISTANCE, wacom->features.distance_max); |
| return 2; |
| } |
| return 1; |
| } |
| |
| /* Exit report */ |
| if ((data[1] & 0xfe) == 0x80) { |
| wacom->shared->stylus_in_proximity = false; |
| wacom->reporting_data = false; |
| |
| /* don't report exit if we don't know the ID */ |
| if (!wacom->id[idx]) |
| return 1; |
| |
| /* |
| * Reset all states otherwise we lose the initial states |
| * when in-prox next time |
| */ |
| input_report_abs(input, ABS_X, 0); |
| input_report_abs(input, ABS_Y, 0); |
| input_report_abs(input, ABS_DISTANCE, 0); |
| input_report_abs(input, ABS_TILT_X, 0); |
| input_report_abs(input, ABS_TILT_Y, 0); |
| if (wacom->tool[idx] >= BTN_TOOL_MOUSE) { |
| input_report_key(input, BTN_LEFT, 0); |
| input_report_key(input, BTN_MIDDLE, 0); |
| input_report_key(input, BTN_RIGHT, 0); |
| input_report_key(input, BTN_SIDE, 0); |
| input_report_key(input, BTN_EXTRA, 0); |
| input_report_abs(input, ABS_THROTTLE, 0); |
| input_report_abs(input, ABS_RZ, 0); |
| } else { |
| input_report_abs(input, ABS_PRESSURE, 0); |
| input_report_key(input, BTN_STYLUS, 0); |
| input_report_key(input, BTN_STYLUS2, 0); |
| input_report_key(input, BTN_TOUCH, 0); |
| input_report_abs(input, ABS_WHEEL, 0); |
| if (features->type >= INTUOS3S) |
| input_report_abs(input, ABS_Z, 0); |
| } |
| input_report_key(input, wacom->tool[idx], 0); |
| input_report_abs(input, ABS_MISC, 0); /* reset tool id */ |
| input_event(input, EV_MSC, MSC_SERIAL, wacom->serial[idx]); |
| wacom->id[idx] = 0; |
| return 2; |
| } |
| |
| return 0; |
| } |
| |
| static inline bool report_touch_events(struct wacom_wac *wacom) |
| { |
| return (touch_arbitration ? !wacom->shared->stylus_in_proximity : 1); |
| } |
| |
| static inline bool delay_pen_events(struct wacom_wac *wacom) |
| { |
| return (wacom->shared->touch_down && touch_arbitration); |
| } |
| |
| static int wacom_intuos_general(struct wacom_wac *wacom) |
| { |
| struct wacom_features *features = &wacom->features; |
| unsigned char *data = wacom->data; |
| struct input_dev *input = wacom->pen_input; |
| int idx = (features->type == INTUOS) ? (data[1] & 0x01) : 0; |
| unsigned char type = (data[1] >> 1) & 0x0F; |
| unsigned int x, y, distance, t; |
| |
| if (data[0] != WACOM_REPORT_PENABLED && data[0] != WACOM_REPORT_CINTIQ && |
| data[0] != WACOM_REPORT_INTUOS_PEN) |
| return 0; |
| |
| if (delay_pen_events(wacom)) |
| return 1; |
| |
| /* don't report events if we don't know the tool ID */ |
| if (!wacom->id[idx]) { |
| /* but reschedule a read of the current tool */ |
| wacom_intuos_schedule_prox_event(wacom); |
| return 1; |
| } |
| |
| /* |
| * don't report events for invalid data |
| */ |
| /* older I4 styli don't work with new Cintiqs */ |
| if ((!((wacom->id[idx] >> 16) & 0x01) && |
| (features->type == WACOM_21UX2)) || |
| /* Only large Intuos support Lense Cursor */ |
| (wacom->tool[idx] == BTN_TOOL_LENS && |
| (features->type == INTUOS3 || |
| features->type == INTUOS3S || |
| features->type == INTUOS4 || |
| features->type == INTUOS4S || |
| features->type == INTUOS5 || |
| features->type == INTUOS5S || |
| features->type == INTUOSPM || |
| features->type == INTUOSPS)) || |
| /* Cintiq doesn't send data when RDY bit isn't set */ |
| (features->type == CINTIQ && !(data[1] & 0x40))) |
| return 1; |
| |
| x = (be16_to_cpup((__be16 *)&data[2]) << 1) | ((data[9] >> 1) & 1); |
| y = (be16_to_cpup((__be16 *)&data[4]) << 1) | (data[9] & 1); |
| distance = data[9] >> 2; |
| if (features->type < INTUOS3S) { |
| x >>= 1; |
| y >>= 1; |
| distance >>= 1; |
| } |
| input_report_abs(input, ABS_X, x); |
| input_report_abs(input, ABS_Y, y); |
| input_report_abs(input, ABS_DISTANCE, distance); |
| |
| switch (type) { |
| case 0x00: |
| case 0x01: |
| case 0x02: |
| case 0x03: |
| /* general pen packet */ |
| t = (data[6] << 3) | ((data[7] & 0xC0) >> 5) | (data[1] & 1); |
| if (features->pressure_max < 2047) |
| t >>= 1; |
| input_report_abs(input, ABS_PRESSURE, t); |
| if (features->type != INTUOSHT2) { |
| input_report_abs(input, ABS_TILT_X, |
| (((data[7] << 1) & 0x7e) | (data[8] >> 7)) - 64); |
| input_report_abs(input, ABS_TILT_Y, (data[8] & 0x7f) - 64); |
| } |
| input_report_key(input, BTN_STYLUS, data[1] & 2); |
| input_report_key(input, BTN_STYLUS2, data[1] & 4); |
| input_report_key(input, BTN_TOUCH, t > 10); |
| break; |
| |
| case 0x0a: |
| /* airbrush second packet */ |
| input_report_abs(input, ABS_WHEEL, |
| (data[6] << 2) | ((data[7] >> 6) & 3)); |
| input_report_abs(input, ABS_TILT_X, |
| (((data[7] << 1) & 0x7e) | (data[8] >> 7)) - 64); |
| input_report_abs(input, ABS_TILT_Y, (data[8] & 0x7f) - 64); |
| break; |
| |
| case 0x05: |
| /* Rotation packet */ |
| if (features->type >= INTUOS3S) { |
| /* I3 marker pen rotation */ |
| t = (data[6] << 3) | ((data[7] >> 5) & 7); |
| t = (data[7] & 0x20) ? ((t > 900) ? ((t-1) / 2 - 1350) : |
| ((t-1) / 2 + 450)) : (450 - t / 2) ; |
| input_report_abs(input, ABS_Z, t); |
| } else { |
| /* 4D mouse 2nd packet */ |
| t = (data[6] << 3) | ((data[7] >> 5) & 7); |
| input_report_abs(input, ABS_RZ, (data[7] & 0x20) ? |
| ((t - 1) / 2) : -t / 2); |
| } |
| break; |
| |
| case 0x04: |
| /* 4D mouse 1st packet */ |
| input_report_key(input, BTN_LEFT, data[8] & 0x01); |
| input_report_key(input, BTN_MIDDLE, data[8] & 0x02); |
| input_report_key(input, BTN_RIGHT, data[8] & 0x04); |
| |
| input_report_key(input, BTN_SIDE, data[8] & 0x20); |
| input_report_key(input, BTN_EXTRA, data[8] & 0x10); |
| t = (data[6] << 2) | ((data[7] >> 6) & 3); |
| input_report_abs(input, ABS_THROTTLE, (data[8] & 0x08) ? -t : t); |
| break; |
| |
| case 0x06: |
| /* I4 mouse */ |
| input_report_key(input, BTN_LEFT, data[6] & 0x01); |
| input_report_key(input, BTN_MIDDLE, data[6] & 0x02); |
| input_report_key(input, BTN_RIGHT, data[6] & 0x04); |
| input_report_rel(input, REL_WHEEL, ((data[7] & 0x80) >> 7) |
| - ((data[7] & 0x40) >> 6)); |
| input_report_key(input, BTN_SIDE, data[6] & 0x08); |
| input_report_key(input, BTN_EXTRA, data[6] & 0x10); |
| |
| input_report_abs(input, ABS_TILT_X, |
| (((data[7] << 1) & 0x7e) | (data[8] >> 7)) - 64); |
| input_report_abs(input, ABS_TILT_Y, (data[8] & 0x7f) - 64); |
| break; |
| |
| case 0x08: |
| if (wacom->tool[idx] == BTN_TOOL_MOUSE) { |
| /* 2D mouse packet */ |
| input_report_key(input, BTN_LEFT, data[8] & 0x04); |
| input_report_key(input, BTN_MIDDLE, data[8] & 0x08); |
| input_report_key(input, BTN_RIGHT, data[8] & 0x10); |
| input_report_rel(input, REL_WHEEL, (data[8] & 0x01) |
| - ((data[8] & 0x02) >> 1)); |
| |
| /* I3 2D mouse side buttons */ |
| if (features->type >= INTUOS3S && features->type <= INTUOS3L) { |
| input_report_key(input, BTN_SIDE, data[8] & 0x40); |
| input_report_key(input, BTN_EXTRA, data[8] & 0x20); |
| } |
| } |
| else if (wacom->tool[idx] == BTN_TOOL_LENS) { |
| /* Lens cursor packets */ |
| input_report_key(input, BTN_LEFT, data[8] & 0x01); |
| input_report_key(input, BTN_MIDDLE, data[8] & 0x02); |
| input_report_key(input, BTN_RIGHT, data[8] & 0x04); |
| input_report_key(input, BTN_SIDE, data[8] & 0x10); |
| input_report_key(input, BTN_EXTRA, data[8] & 0x08); |
| } |
| break; |
| |
| case 0x07: |
| case 0x09: |
| case 0x0b: |
| case 0x0c: |
| case 0x0d: |
| case 0x0e: |
| case 0x0f: |
| /* unhandled */ |
| break; |
| } |
| |
| input_report_abs(input, ABS_MISC, |
| wacom_intuos_id_mangle(wacom->id[idx])); /* report tool id */ |
| input_report_key(input, wacom->tool[idx], 1); |
| input_event(input, EV_MSC, MSC_SERIAL, wacom->serial[idx]); |
| wacom->reporting_data = true; |
| return 2; |
| } |
| |
| static int wacom_intuos_irq(struct wacom_wac *wacom) |
| { |
| unsigned char *data = wacom->data; |
| struct input_dev *input = wacom->pen_input; |
| int result; |
| |
| if (data[0] != WACOM_REPORT_PENABLED && |
| data[0] != WACOM_REPORT_INTUOS_ID1 && |
| data[0] != WACOM_REPORT_INTUOS_ID2 && |
| data[0] != WACOM_REPORT_INTUOSPAD && |
| data[0] != WACOM_REPORT_INTUOS_PEN && |
| data[0] != WACOM_REPORT_CINTIQ && |
| data[0] != WACOM_REPORT_CINTIQPAD && |
| data[0] != WACOM_REPORT_INTUOS5PAD) { |
| dev_dbg(input->dev.parent, |
| "%s: received unknown report #%d\n", __func__, data[0]); |
| return 0; |
| } |
| |
| /* process pad events */ |
| result = wacom_intuos_pad(wacom); |
| if (result) |
| return result; |
| |
| /* process in/out prox events */ |
| result = wacom_intuos_inout(wacom); |
| if (result) |
| return result - 1; |
| |
| /* process general packets */ |
| result = wacom_intuos_general(wacom); |
| if (result) |
| return result - 1; |
| |
| return 0; |
| } |
| |
| static int wacom_remote_irq(struct wacom_wac *wacom_wac, size_t len) |
| { |
| unsigned char *data = wacom_wac->data; |
| struct input_dev *input; |
| struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac); |
| struct wacom_remote *remote = wacom->remote; |
| int bat_charging, bat_percent, touch_ring_mode; |
| __u32 serial; |
| int i, index = -1; |
| unsigned long flags; |
| |
| if (data[0] != WACOM_REPORT_REMOTE) { |
| hid_dbg(wacom->hdev, "%s: received unknown report #%d", |
| __func__, data[0]); |
| return 0; |
| } |
| |
| serial = data[3] + (data[4] << 8) + (data[5] << 16); |
| wacom_wac->id[0] = PAD_DEVICE_ID; |
| |
| spin_lock_irqsave(&remote->remote_lock, flags); |
| |
| for (i = 0; i < WACOM_MAX_REMOTES; i++) { |
| if (remote->remotes[i].serial == serial) { |
| index = i; |
| break; |
| } |
| } |
| |
| if (index < 0 || !remote->remotes[index].registered) |
| goto out; |
| |
| input = remote->remotes[index].input; |
| |
| input_report_key(input, BTN_0, (data[9] & 0x01)); |
| input_report_key(input, BTN_1, (data[9] & 0x02)); |
| input_report_key(input, BTN_2, (data[9] & 0x04)); |
| input_report_key(input, BTN_3, (data[9] & 0x08)); |
| input_report_key(input, BTN_4, (data[9] & 0x10)); |
| input_report_key(input, BTN_5, (data[9] & 0x20)); |
| input_report_key(input, BTN_6, (data[9] & 0x40)); |
| input_report_key(input, BTN_7, (data[9] & 0x80)); |
| |
| input_report_key(input, BTN_8, (data[10] & 0x01)); |
| input_report_key(input, BTN_9, (data[10] & 0x02)); |
| input_report_key(input, BTN_A, (data[10] & 0x04)); |
| input_report_key(input, BTN_B, (data[10] & 0x08)); |
| input_report_key(input, BTN_C, (data[10] & 0x10)); |
| input_report_key(input, BTN_X, (data[10] & 0x20)); |
| input_report_key(input, BTN_Y, (data[10] & 0x40)); |
| input_report_key(input, BTN_Z, (data[10] & 0x80)); |
| |
| input_report_key(input, BTN_BASE, (data[11] & 0x01)); |
| input_report_key(input, BTN_BASE2, (data[11] & 0x02)); |
| |
| if (data[12] & 0x80) |
| input_report_abs(input, ABS_WHEEL, (data[12] & 0x7f)); |
| else |
| input_report_abs(input, ABS_WHEEL, 0); |
| |
| bat_percent = data[7] & 0x7f; |
| bat_charging = !!(data[7] & 0x80); |
| |
| if (data[9] | data[10] | (data[11] & 0x03) | data[12]) |
| input_report_abs(input, ABS_MISC, PAD_DEVICE_ID); |
| else |
| input_report_abs(input, ABS_MISC, 0); |
| |
| input_event(input, EV_MSC, MSC_SERIAL, serial); |
| |
| input_sync(input); |
| |
| /*Which mode select (LED light) is currently on?*/ |
| touch_ring_mode = (data[11] & 0xC0) >> 6; |
| |
| for (i = 0; i < WACOM_MAX_REMOTES; i++) { |
| if (remote->remotes[i].serial == serial) |
| wacom->led.groups[i].select = touch_ring_mode; |
| } |
| |
| __wacom_notify_battery(&remote->remotes[index].battery, |
| WACOM_POWER_SUPPLY_STATUS_AUTO, bat_percent, |
| bat_charging, 1, bat_charging); |
| |
| out: |
| spin_unlock_irqrestore(&remote->remote_lock, flags); |
| return 0; |
| } |
| |
| static void wacom_remote_status_irq(struct wacom_wac *wacom_wac, size_t len) |
| { |
| struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac); |
| unsigned char *data = wacom_wac->data; |
| struct wacom_remote *remote = wacom->remote; |
| struct wacom_remote_data remote_data; |
| unsigned long flags; |
| int i, ret; |
| |
| if (data[0] != WACOM_REPORT_DEVICE_LIST) |
| return; |
| |
| memset(&remote_data, 0, sizeof(struct wacom_remote_data)); |
| |
| for (i = 0; i < WACOM_MAX_REMOTES; i++) { |
| int j = i * 6; |
| int serial = (data[j+6] << 16) + (data[j+5] << 8) + data[j+4]; |
| bool connected = data[j+2]; |
| |
| remote_data.remote[i].serial = serial; |
| remote_data.remote[i].connected = connected; |
| } |
| |
| spin_lock_irqsave(&remote->remote_lock, flags); |
| |
| ret = kfifo_in(&remote->remote_fifo, &remote_data, sizeof(remote_data)); |
| if (ret != sizeof(remote_data)) { |
| spin_unlock_irqrestore(&remote->remote_lock, flags); |
| hid_err(wacom->hdev, "Can't queue Remote status event.\n"); |
| return; |
| } |
| |
| spin_unlock_irqrestore(&remote->remote_lock, flags); |
| |
| wacom_schedule_work(wacom_wac, WACOM_WORKER_REMOTE); |
| } |
| |
| static int int_dist(int x1, int y1, int x2, int y2) |
| { |
| int x = x2 - x1; |
| int y = y2 - y1; |
| |
| return int_sqrt(x*x + y*y); |
| } |
| |
| static void wacom_intuos_bt_process_data(struct wacom_wac *wacom, |
| unsigned char *data) |
| { |
| memcpy(wacom->data, data, 10); |
| wacom_intuos_irq(wacom); |
| |
| input_sync(wacom->pen_input); |
| if (wacom->pad_input) |
| input_sync(wacom->pad_input); |
| } |
| |
| static int wacom_intuos_bt_irq(struct wacom_wac *wacom, size_t len) |
| { |
| unsigned char data[WACOM_PKGLEN_MAX]; |
| int i = 1; |
| unsigned power_raw, battery_capacity, bat_charging, ps_connected; |
| |
| memcpy(data, wacom->data, len); |
| |
| switch (data[0]) { |
| case 0x04: |
| wacom_intuos_bt_process_data(wacom, data + i); |
| i += 10; |
| /* fall through */ |
| case 0x03: |
| wacom_intuos_bt_process_data(wacom, data + i); |
| i += 10; |
| wacom_intuos_bt_process_data(wacom, data + i); |
| i += 10; |
| power_raw = data[i]; |
| bat_charging = (power_raw & 0x08) ? 1 : 0; |
| ps_connected = (power_raw & 0x10) ? 1 : 0; |
| battery_capacity = batcap_i4[power_raw & 0x07]; |
| wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO, |
| battery_capacity, bat_charging, |
| battery_capacity || bat_charging, |
| ps_connected); |
| break; |
| default: |
| dev_dbg(wacom->pen_input->dev.parent, |
| "Unknown report: %d,%d size:%zu\n", |
| data[0], data[1], len); |
| return 0; |
| } |
| return 0; |
| } |
| |
| static int wacom_wac_finger_count_touches(struct wacom_wac *wacom) |
| { |
| struct input_dev *input = wacom->touch_input; |
| unsigned touch_max = wacom->features.touch_max; |
| int count = 0; |
| int i; |
| |
| if (!touch_max) |
| return 0; |
| |
| if (touch_max == 1) |
| return test_bit(BTN_TOUCH, input->key) && |
| report_touch_events(wacom); |
| |
| for (i = 0; i < input->mt->num_slots; i++) { |
| struct input_mt_slot *ps = &input->mt->slots[i]; |
| int id = input_mt_get_value(ps, ABS_MT_TRACKING_ID); |
| if (id >= 0) |
| count++; |
| } |
| |
| return count; |
| } |
| |
| static void wacom_intuos_pro2_bt_pen(struct wacom_wac *wacom) |
| { |
| const int pen_frame_len = 14; |
| const int pen_frames = 7; |
| |
| struct input_dev *pen_input = wacom->pen_input; |
| unsigned char *data = wacom->data; |
| int i; |
| |
| wacom->serial[0] = get_unaligned_le64(&data[99]); |
| wacom->id[0] = get_unaligned_le16(&data[107]); |
| if (wacom->serial[0] >> 52 == 1) { |
| /* Add back in missing bits of ID for non-USI pens */ |
| wacom->id[0] |= (wacom->serial[0] >> 32) & 0xFFFFF; |
| } |
| wacom->tool[0] = wacom_intuos_get_tool_type(wacom_intuos_id_mangle(wacom->id[0])); |
| |
| for (i = 0; i < pen_frames; i++) { |
| unsigned char *frame = &data[i*pen_frame_len + 1]; |
| bool valid = frame[0] & 0x80; |
| bool prox = frame[0] & 0x40; |
| bool range = frame[0] & 0x20; |
| |
| if (!valid) |
| continue; |
| |
| if (range) { |
| /* Fix rotation alignment: userspace expects zero at left */ |
| int16_t rotation = (int16_t)get_unaligned_le16(&frame[9]); |
| rotation += 1800/4; |
| if (rotation > 899) |
| rotation -= 1800; |
| |
| input_report_abs(pen_input, ABS_X, get_unaligned_le16(&frame[1])); |
| input_report_abs(pen_input, ABS_Y, get_unaligned_le16(&frame[3])); |
| input_report_abs(pen_input, ABS_TILT_X, (char)frame[7]); |
| input_report_abs(pen_input, ABS_TILT_Y, (char)frame[8]); |
| input_report_abs(pen_input, ABS_Z, rotation); |
| input_report_abs(pen_input, ABS_WHEEL, get_unaligned_le16(&frame[11])); |
| } |
| input_report_abs(pen_input, ABS_PRESSURE, get_unaligned_le16(&frame[5])); |
| input_report_abs(pen_input, ABS_DISTANCE, range ? frame[13] : wacom->features.distance_max); |
| |
| input_report_key(pen_input, BTN_TOUCH, frame[0] & 0x01); |
| input_report_key(pen_input, BTN_STYLUS, frame[0] & 0x02); |
| input_report_key(pen_input, BTN_STYLUS2, frame[0] & 0x04); |
| |
| input_report_key(pen_input, wacom->tool[0], prox); |
| input_event(pen_input, EV_MSC, MSC_SERIAL, wacom->serial[0]); |
| input_report_abs(pen_input, ABS_MISC, |
| wacom_intuos_id_mangle(wacom->id[0])); /* report tool id */ |
| |
| wacom->shared->stylus_in_proximity = prox; |
| |
| input_sync(pen_input); |
| } |
| } |
| |
| static void wacom_intuos_pro2_bt_touch(struct wacom_wac *wacom) |
| { |
| const int finger_touch_len = 8; |
| const int finger_frames = 4; |
| const int finger_frame_len = 43; |
| |
| struct input_dev *touch_input = wacom->touch_input; |
| unsigned char *data = wacom->data; |
| int num_contacts_left = 5; |
| int i, j; |
| |
| for (i = 0; i < finger_frames; i++) { |
| unsigned char *frame = &data[i*finger_frame_len + 109]; |
| int current_num_contacts = frame[0] & 0x7F; |
| int contacts_to_send; |
| |
| if (!(frame[0] & 0x80)) |
| continue; |
| |
| /* |
| * First packet resets the counter since only the first |
| * packet in series will have non-zero current_num_contacts. |
| */ |
| if (current_num_contacts) |
| wacom->num_contacts_left = current_num_contacts; |
| |
| contacts_to_send = min(num_contacts_left, wacom->num_contacts_left); |
| |
| for (j = 0; j < contacts_to_send; j++) { |
| unsigned char *touch = &frame[j*finger_touch_len + 1]; |
| int slot = input_mt_get_slot_by_key(touch_input, touch[0]); |
| int x = get_unaligned_le16(&touch[2]); |
| int y = get_unaligned_le16(&touch[4]); |
| int w = touch[6] * input_abs_get_res(touch_input, ABS_MT_POSITION_X); |
| int h = touch[7] * input_abs_get_res(touch_input, ABS_MT_POSITION_Y); |
| |
| if (slot < 0) |
| continue; |
| |
| input_mt_slot(touch_input, slot); |
| input_mt_report_slot_state(touch_input, MT_TOOL_FINGER, touch[1] & 0x01); |
| input_report_abs(touch_input, ABS_MT_POSITION_X, x); |
| input_report_abs(touch_input, ABS_MT_POSITION_Y, y); |
| input_report_abs(touch_input, ABS_MT_TOUCH_MAJOR, max(w, h)); |
| input_report_abs(touch_input, ABS_MT_TOUCH_MINOR, min(w, h)); |
| input_report_abs(touch_input, ABS_MT_ORIENTATION, w > h); |
| } |
| |
| input_mt_sync_frame(touch_input); |
| |
| wacom->num_contacts_left -= contacts_to_send; |
| if (wacom->num_contacts_left <= 0) { |
| wacom->num_contacts_left = 0; |
| wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom); |
| } |
| } |
| |
| input_report_switch(touch_input, SW_MUTE_DEVICE, !(data[281] >> 7)); |
| input_sync(touch_input); |
| } |
| |
| static void wacom_intuos_pro2_bt_pad(struct wacom_wac *wacom) |
| { |
| struct input_dev *pad_input = wacom->pad_input; |
| unsigned char *data = wacom->data; |
| |
| int buttons = (data[282] << 1) | ((data[281] >> 6) & 0x01); |
| int ring = data[285] & 0x7F; |
| bool ringstatus = data[285] & 0x80; |
| bool prox = buttons || ringstatus; |
| |
| /* Fix touchring data: userspace expects 0 at left and increasing clockwise */ |
| ring = 71 - ring; |
| ring += 3*72/16; |
| if (ring > 71) |
| ring -= 72; |
| |
| wacom_report_numbered_buttons(pad_input, 9, buttons); |
| |
| input_report_abs(pad_input, ABS_WHEEL, ringstatus ? ring : 0); |
| |
| input_report_key(pad_input, wacom->tool[1], prox ? 1 : 0); |
| input_report_abs(pad_input, ABS_MISC, prox ? PAD_DEVICE_ID : 0); |
| input_event(pad_input, EV_MSC, MSC_SERIAL, 0xffffffff); |
| |
| input_sync(pad_input); |
| } |
| |
| static void wacom_intuos_pro2_bt_battery(struct wacom_wac *wacom) |
| { |
| unsigned char *data = wacom->data; |
| |
| bool chg = data[284] & 0x80; |
| int battery_status = data[284] & 0x7F; |
| |
| wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO, |
| battery_status, chg, 1, chg); |
| } |
| |
| static int wacom_intuos_pro2_bt_irq(struct wacom_wac *wacom, size_t len) |
| { |
| unsigned char *data = wacom->data; |
| |
| if (data[0] != 0x80) { |
| dev_dbg(wacom->pen_input->dev.parent, |
| "%s: received unknown report #%d\n", __func__, data[0]); |
| return 0; |
| } |
| |
| wacom_intuos_pro2_bt_pen(wacom); |
| wacom_intuos_pro2_bt_touch(wacom); |
| wacom_intuos_pro2_bt_pad(wacom); |
| wacom_intuos_pro2_bt_battery(wacom); |
| return 0; |
| } |
| |
| static int wacom_24hdt_irq(struct wacom_wac *wacom) |
| { |
| struct input_dev *input = wacom->touch_input; |
| unsigned char *data = wacom->data; |
| int i; |
| int current_num_contacts = data[61]; |
| int contacts_to_send = 0; |
| int num_contacts_left = 4; /* maximum contacts per packet */ |
| int byte_per_packet = WACOM_BYTES_PER_24HDT_PACKET; |
| int y_offset = 2; |
| |
| if (wacom->features.type == WACOM_27QHDT) { |
| current_num_contacts = data[63]; |
| num_contacts_left = 10; |
| byte_per_packet = WACOM_BYTES_PER_QHDTHID_PACKET; |
| y_offset = 0; |
| } |
| |
| /* |
| * First packet resets the counter since only the first |
| * packet in series will have non-zero current_num_contacts. |
| */ |
| if (current_num_contacts) |
| wacom->num_contacts_left = current_num_contacts; |
| |
| contacts_to_send = min(num_contacts_left, wacom->num_contacts_left); |
| |
| for (i = 0; i < contacts_to_send; i++) { |
| int offset = (byte_per_packet * i) + 1; |
| bool touch = (data[offset] & 0x1) && report_touch_events(wacom); |
| int slot = input_mt_get_slot_by_key(input, data[offset + 1]); |
| |
| if (slot < 0) |
| continue; |
| input_mt_slot(input, slot); |
| input_mt_report_slot_state(input, MT_TOOL_FINGER, touch); |
| |
| if (touch) { |
| int t_x = get_unaligned_le16(&data[offset + 2]); |
| int t_y = get_unaligned_le16(&data[offset + 4 + y_offset]); |
| |
| input_report_abs(input, ABS_MT_POSITION_X, t_x); |
| input_report_abs(input, ABS_MT_POSITION_Y, t_y); |
| |
| if (wacom->features.type != WACOM_27QHDT) { |
| int c_x = get_unaligned_le16(&data[offset + 4]); |
| int c_y = get_unaligned_le16(&data[offset + 8]); |
| int w = get_unaligned_le16(&data[offset + 10]); |
| int h = get_unaligned_le16(&data[offset + 12]); |
| |
| input_report_abs(input, ABS_MT_TOUCH_MAJOR, min(w,h)); |
| input_report_abs(input, ABS_MT_WIDTH_MAJOR, |
| min(w, h) + int_dist(t_x, t_y, c_x, c_y)); |
| input_report_abs(input, ABS_MT_WIDTH_MINOR, min(w, h)); |
| input_report_abs(input, ABS_MT_ORIENTATION, w > h); |
| } |
| } |
| } |
| input_mt_sync_frame(input); |
| |
| wacom->num_contacts_left -= contacts_to_send; |
| if (wacom->num_contacts_left <= 0) { |
| wacom->num_contacts_left = 0; |
| wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom); |
| } |
| return 1; |
| } |
| |
| static int wacom_mt_touch(struct wacom_wac *wacom) |
| { |
| struct input_dev *input = wacom->touch_input; |
| unsigned char *data = wacom->data; |
| int i; |
| int current_num_contacts = data[2]; |
| int contacts_to_send = 0; |
| int x_offset = 0; |
| |
| /* MTTPC does not support Height and Width */ |
| if (wacom->features.type == MTTPC || wacom->features.type == MTTPC_B) |
| x_offset = -4; |
| |
| /* |
| * First packet resets the counter since only the first |
| * packet in series will have non-zero current_num_contacts. |
| */ |
| if (current_num_contacts) |
| wacom->num_contacts_left = current_num_contacts; |
| |
| /* There are at most 5 contacts per packet */ |
| contacts_to_send = min(5, wacom->num_contacts_left); |
| |
| for (i = 0; i < contacts_to_send; i++) { |
| int offset = (WACOM_BYTES_PER_MT_PACKET + x_offset) * i + 3; |
| bool touch = (data[offset] & 0x1) && report_touch_events(wacom); |
| int id = get_unaligned_le16(&data[offset + 1]); |
| int slot = input_mt_get_slot_by_key(input, id); |
| |
| if (slot < 0) |
| continue; |
| |
| input_mt_slot(input, slot); |
| input_mt_report_slot_state(input, MT_TOOL_FINGER, touch); |
| if (touch) { |
| int x = get_unaligned_le16(&data[offset + x_offset + 7]); |
| int y = get_unaligned_le16(&data[offset + x_offset + 9]); |
| input_report_abs(input, ABS_MT_POSITION_X, x); |
| input_report_abs(input, ABS_MT_POSITION_Y, y); |
| } |
| } |
| input_mt_sync_frame(input); |
| |
| wacom->num_contacts_left -= contacts_to_send; |
| if (wacom->num_contacts_left <= 0) { |
| wacom->num_contacts_left = 0; |
| wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom); |
| } |
| return 1; |
| } |
| |
| static int wacom_tpc_mt_touch(struct wacom_wac *wacom) |
| { |
| struct input_dev *input = wacom->touch_input; |
| unsigned char *data = wacom->data; |
| int i; |
| |
| for (i = 0; i < 2; i++) { |
| int p = data[1] & (1 << i); |
| bool touch = p && report_touch_events(wacom); |
| |
| input_mt_slot(input, i); |
| input_mt_report_slot_state(input, MT_TOOL_FINGER, touch); |
| if (touch) { |
| int x = le16_to_cpup((__le16 *)&data[i * 2 + 2]) & 0x7fff; |
| int y = le16_to_cpup((__le16 *)&data[i * 2 + 6]) & 0x7fff; |
| |
| input_report_abs(input, ABS_MT_POSITION_X, x); |
| input_report_abs(input, ABS_MT_POSITION_Y, y); |
| } |
| } |
| input_mt_sync_frame(input); |
| |
| /* keep touch state for pen event */ |
| wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom); |
| |
| return 1; |
| } |
| |
| static int wacom_tpc_single_touch(struct wacom_wac *wacom, size_t len) |
| { |
| unsigned char *data = wacom->data; |
| struct input_dev *input = wacom->touch_input; |
| bool prox = report_touch_events(wacom); |
| int x = 0, y = 0; |
| |
| if (wacom->features.touch_max > 1 || len > WACOM_PKGLEN_TPC2FG) |
| return 0; |
| |
| if (len == WACOM_PKGLEN_TPC1FG) { |
| prox = prox && (data[0] & 0x01); |
| x = get_unaligned_le16(&data[1]); |
| y = get_unaligned_le16(&data[3]); |
| } else if (len == WACOM_PKGLEN_TPC1FG_B) { |
| prox = prox && (data[2] & 0x01); |
| x = get_unaligned_le16(&data[3]); |
| y = get_unaligned_le16(&data[5]); |
| } else { |
| prox = prox && (data[1] & 0x01); |
| x = le16_to_cpup((__le16 *)&data[2]); |
| y = le16_to_cpup((__le16 *)&data[4]); |
| } |
| |
| if (prox) { |
| input_report_abs(input, ABS_X, x); |
| input_report_abs(input, ABS_Y, y); |
| } |
| input_report_key(input, BTN_TOUCH, prox); |
| |
| /* keep touch state for pen events */ |
| wacom->shared->touch_down = prox; |
| |
| return 1; |
| } |
| |
| static int wacom_tpc_pen(struct wacom_wac *wacom) |
| { |
| unsigned char *data = wacom->data; |
| struct input_dev *input = wacom->pen_input; |
| bool prox = data[1] & 0x20; |
| |
| 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; |
| |
| /* keep pen state for touch events */ |
| wacom->shared->stylus_in_proximity = prox; |
| |
| /* send pen events only when touch is up or forced out |
| * or touch arbitration is off |
| */ |
| if (!delay_pen_events(wacom)) { |
| 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])); |
| input_report_abs(input, ABS_PRESSURE, ((data[7] & 0x07) << 8) | data[6]); |
| input_report_key(input, BTN_TOUCH, data[1] & 0x05); |
| input_report_key(input, wacom->tool[0], prox); |
| return 1; |
| } |
| |
| return 0; |
| } |
| |
| static int wacom_tpc_irq(struct wacom_wac *wacom, size_t len) |
| { |
| unsigned char *data = wacom->data; |
| |
| if (wacom->pen_input) { |
| dev_dbg(wacom->pen_input->dev.parent, |
| "%s: received report #%d\n", __func__, data[0]); |
| |
| if (len == WACOM_PKGLEN_PENABLED || |
| data[0] == WACOM_REPORT_PENABLED) |
| return wacom_tpc_pen(wacom); |
| } |
| else if (wacom->touch_input) { |
| dev_dbg(wacom->touch_input->dev.parent, |
| "%s: received report #%d\n", __func__, data[0]); |
| |
| switch (len) { |
| case WACOM_PKGLEN_TPC1FG: |
| return wacom_tpc_single_touch(wacom, len); |
| |
| case WACOM_PKGLEN_TPC2FG: |
| return wacom_tpc_mt_touch(wacom); |
| |
| default: |
| switch (data[0]) { |
| case WACOM_REPORT_TPC1FG: |
| case WACOM_REPORT_TPCHID: |
| case WACOM_REPORT_TPCST: |
| case WACOM_REPORT_TPC1FGE: |
| return wacom_tpc_single_touch(wacom, len); |
| |
| case WACOM_REPORT_TPCMT: |
| case WACOM_REPORT_TPCMT2: |
| return wacom_mt_touch(wacom); |
| |
| } |
| } |
| } |
| |
| return 0; |
| } |
| |
| static int wacom_offset_rotation(struct input_dev *input, struct hid_usage *usage, |
| int value, int num, int denom) |
| { |
| struct input_absinfo *abs = &input->absinfo[usage->code]; |
| int range = (abs->maximum - abs->minimum + 1); |
| |
| value += num*range/denom; |
| if (value > abs->maximum) |
| value -= range; |
| else if (value < abs->minimum) |
| value += range; |
| return value; |
| } |
| |
| int wacom_equivalent_usage(int usage) |
| { |
| if ((usage & HID_USAGE_PAGE) == WACOM_HID_UP_WACOMDIGITIZER) { |
| int subpage = (usage & 0xFF00) << 8; |
| int subusage = (usage & 0xFF); |
| |
| if (subpage == WACOM_HID_SP_PAD || |
| subpage == WACOM_HID_SP_BUTTON || |
| subpage == WACOM_HID_SP_DIGITIZER || |
| subpage == WACOM_HID_SP_DIGITIZERINFO || |
| usage == WACOM_HID_WD_SENSE || |
| usage == WACOM_HID_WD_SERIALHI || |
| usage == WACOM_HID_WD_TOOLTYPE || |
| usage == WACOM_HID_WD_DISTANCE || |
| usage == WACOM_HID_WD_TOUCHSTRIP || |
| usage == WACOM_HID_WD_TOUCHSTRIP2 || |
| usage == WACOM_HID_WD_TOUCHRING || |
| usage == WACOM_HID_WD_TOUCHRINGSTATUS) { |
| return usage; |
| } |
| |
| if (subpage == HID_UP_UNDEFINED) |
| subpage = HID_UP_DIGITIZER; |
| |
| return subpage | subusage; |
| } |
| |
| if ((usage & HID_USAGE_PAGE) == WACOM_HID_UP_WACOMTOUCH) { |
| int subpage = (usage & 0xFF00) << 8; |
| int subusage = (usage & 0xFF); |
| |
| if (subpage == HID_UP_UNDEFINED) |
| subpage = WACOM_HID_SP_DIGITIZER; |
| |
| return subpage | subusage; |
| } |
| |
| return usage; |
| } |
| |
| static void wacom_map_usage(struct input_dev *input, struct hid_usage *usage, |
| struct hid_field *field, __u8 type, __u16 code, int fuzz) |
| { |
| struct wacom *wacom = input_get_drvdata(input); |
| struct wacom_wac *wacom_wac = &wacom->wacom_wac; |
| struct wacom_features *features = &wacom_wac->features; |
| int fmin = field->logical_minimum; |
| int fmax = field->logical_maximum; |
| unsigned int equivalent_usage = wacom_equivalent_usage(usage->hid); |
| int resolution_code = code; |
| |
| if (equivalent_usage == HID_DG_TWIST) { |
| resolution_code = ABS_RZ; |
| } |
| |
| if (equivalent_usage == HID_GD_X) { |
| fmin += features->offset_left; |
| fmax -= features->offset_right; |
| } |
| if (equivalent_usage == HID_GD_Y) { |
| fmin += features->offset_top; |
| fmax -= features->offset_bottom; |
| } |
| |
| usage->type = type; |
| usage->code = code; |
| |
| set_bit(type, input->evbit); |
| |
| switch (type) { |
| case EV_ABS: |
| input_set_abs_params(input, code, fmin, fmax, fuzz, 0); |
| input_abs_set_res(input, code, |
| hidinput_calc_abs_res(field, resolution_code)); |
| break; |
| case EV_KEY: |
| input_set_capability(input, EV_KEY, code); |
| break; |
| case EV_MSC: |
| input_set_capability(input, EV_MSC, code); |
| break; |
| case EV_SW: |
| input_set_capability(input, EV_SW, code); |
| break; |
| } |
| } |
| |
| static void wacom_wac_battery_usage_mapping(struct hid_device *hdev, |
| struct hid_field *field, struct hid_usage *usage) |
| { |
| struct wacom *wacom = hid_get_drvdata(hdev); |
| struct wacom_wac *wacom_wac = &wacom->wacom_wac; |
| struct wacom_features *features = &wacom_wac->features; |
| unsigned equivalent_usage = wacom_equivalent_usage(usage->hid); |
| |
| switch (equivalent_usage) { |
| case HID_DG_BATTERYSTRENGTH: |
| case WACOM_HID_WD_BATTERY_LEVEL: |
| case WACOM_HID_WD_BATTERY_CHARGING: |
| features->quirks |= WACOM_QUIRK_BATTERY; |
| break; |
| } |
| } |
| |
| static void wacom_wac_battery_event(struct hid_device *hdev, struct hid_field *field, |
| struct hid_usage *usage, __s32 value) |
| { |
| struct wacom *wacom = hid_get_drvdata(hdev); |
| struct wacom_wac *wacom_wac = &wacom->wacom_wac; |
| unsigned equivalent_usage = wacom_equivalent_usage(usage->hid); |
| |
| switch (equivalent_usage) { |
| case HID_DG_BATTERYSTRENGTH: |
| if (value == 0) { |
| wacom_wac->hid_data.bat_status = POWER_SUPPLY_STATUS_UNKNOWN; |
| } |
| else { |
| value = value * 100 / (field->logical_maximum - field->logical_minimum); |
| wacom_wac->hid_data.battery_capacity = value; |
| wacom_wac->hid_data.bat_connected = 1; |
| wacom_wac->hid_data.bat_status = WACOM_POWER_SUPPLY_STATUS_AUTO; |
| } |
| break; |
| case WACOM_HID_WD_BATTERY_LEVEL: |
| value = value * 100 / (field->logical_maximum - field->logical_minimum); |
| wacom_wac->hid_data.battery_capacity = value; |
| wacom_wac->hid_data.bat_connected = 1; |
| wacom_wac->hid_data.bat_status = WACOM_POWER_SUPPLY_STATUS_AUTO; |
| break; |
| case WACOM_HID_WD_BATTERY_CHARGING: |
| wacom_wac->hid_data.bat_charging = value; |
| wacom_wac->hid_data.ps_connected = value; |
| wacom_wac->hid_data.bat_connected = 1; |
| wacom_wac->hid_data.bat_status = WACOM_POWER_SUPPLY_STATUS_AUTO; |
| break; |
| } |
| } |
| |
| static void wacom_wac_battery_pre_report(struct hid_device *hdev, |
| struct hid_report *report) |
| { |
| return; |
| } |
| |
| static void wacom_wac_battery_report(struct hid_device *hdev, |
| struct hid_report *report) |
| { |
| struct wacom *wacom = hid_get_drvdata(hdev); |
| struct wacom_wac *wacom_wac = &wacom->wacom_wac; |
| struct wacom_features *features = &wacom_wac->features; |
| |
| if (features->quirks & WACOM_QUIRK_BATTERY) { |
| int status = wacom_wac->hid_data.bat_status; |
| int capacity = wacom_wac->hid_data.battery_capacity; |
| bool charging = wacom_wac->hid_data.bat_charging; |
| bool connected = wacom_wac->hid_data.bat_connected; |
| bool powered = wacom_wac->hid_data.ps_connected; |
| |
| wacom_notify_battery(wacom_wac, status, capacity, charging, |
| connected, powered); |
| } |
| } |
| |
| static void wacom_wac_pad_usage_mapping(struct hid_device *hdev, |
| struct hid_field *field, struct hid_usage *usage) |
| { |
| struct wacom *wacom = hid_get_drvdata(hdev); |
| struct wacom_wac *wacom_wac = &wacom->wacom_wac; |
| struct wacom_features *features = &wacom_wac->features; |
| struct input_dev *input = wacom_wac->pad_input; |
| unsigned equivalent_usage = wacom_equivalent_usage(usage->hid); |
| |
| switch (equivalent_usage) { |
| case WACOM_HID_WD_ACCELEROMETER_X: |
| __set_bit(INPUT_PROP_ACCELEROMETER, input->propbit); |
| wacom_map_usage(input, usage, field, EV_ABS, ABS_X, 0); |
| features->device_type |= WACOM_DEVICETYPE_PAD; |
| break; |
| case WACOM_HID_WD_ACCELEROMETER_Y: |
| __set_bit(INPUT_PROP_ACCELEROMETER, input->propbit); |
| wacom_map_usage(input, usage, field, EV_ABS, ABS_Y, 0); |
| features->device_type |= WACOM_DEVICETYPE_PAD; |
| break; |
| case WACOM_HID_WD_ACCELEROMETER_Z: |
| __set_bit(INPUT_PROP_ACCELEROMETER, input->propbit); |
| wacom_map_usage(input, usage, field, EV_ABS, ABS_Z, 0); |
| features->device_type |= WACOM_DEVICETYPE_PAD; |
| break; |
| case WACOM_HID_WD_BUTTONCENTER: |
| wacom->generic_has_leds = true; |
| /* fall through */ |
| case WACOM_HID_WD_BUTTONHOME: |
| case WACOM_HID_WD_BUTTONUP: |
| case WACOM_HID_WD_BUTTONDOWN: |
| case WACOM_HID_WD_BUTTONLEFT: |
| case WACOM_HID_WD_BUTTONRIGHT: |
| wacom_map_usage(input, usage, field, EV_KEY, |
| wacom_numbered_button_to_key(features->numbered_buttons), |
| 0); |
| features->numbered_buttons++; |
| features->device_type |= WACOM_DEVICETYPE_PAD; |
| break; |
| case WACOM_HID_WD_TOUCHONOFF: |
| case WACOM_HID_WD_MUTE_DEVICE: |
| /* |
| * This usage, which is used to mute touch events, comes |
| * from the pad packet, but is reported on the touch |
| * interface. Because the touch interface may not have |
| * been created yet, we cannot call wacom_map_usage(). In |
| * order to process this usage when we receive it, we set |
| * the usage type and code directly. |
| */ |
| wacom_wac->has_mute_touch_switch = true; |
| usage->type = EV_SW; |
| usage->code = SW_MUTE_DEVICE; |
| features->device_type |= WACOM_DEVICETYPE_PAD; |
| break; |
| case WACOM_HID_WD_TOUCHSTRIP: |
| wacom_map_usage(input, usage, field, EV_ABS, ABS_RX, 0); |
| features->device_type |= WACOM_DEVICETYPE_PAD; |
| break; |
| case WACOM_HID_WD_TOUCHSTRIP2: |
| wacom_map_usage(input, usage, field, EV_ABS, ABS_RY, 0); |
| features->device_type |= WACOM_DEVICETYPE_PAD; |
| break; |
| case WACOM_HID_WD_TOUCHRING: |
| wacom_map_usage(input, usage, field, EV_ABS, ABS_WHEEL, 0); |
| features->device_type |= WACOM_DEVICETYPE_PAD; |
| break; |
| case WACOM_HID_WD_TOUCHRINGSTATUS: |
| /* |
| * Only set up type/code association. Completely mapping |
| * this usage may overwrite the axis resolution and range. |
| */ |
| usage->type = EV_ABS; |
| usage->code = ABS_WHEEL; |
| set_bit(EV_ABS, input->evbit); |
| features->device_type |= WACOM_DEVICETYPE_PAD; |
| break; |
| case WACOM_HID_WD_BUTTONCONFIG: |
| wacom_map_usage(input, usage, field, EV_KEY, KEY_BUTTONCONFIG, 0); |
| features->device_type |= WACOM_DEVICETYPE_PAD; |
| break; |
| case WACOM_HID_WD_ONSCREEN_KEYBOARD: |
| wacom_map_usage(input, usage, field, EV_KEY, KEY_ONSCREEN_KEYBOARD, 0); |
| features->device_type |= WACOM_DEVICETYPE_PAD; |
| break; |
| case WACOM_HID_WD_CONTROLPANEL: |
| wacom_map_usage(input, usage, field, EV_KEY, KEY_CONTROLPANEL, 0); |
| features->device_type |= WACOM_DEVICETYPE_PAD; |
| break; |
| case WACOM_HID_WD_MODE_CHANGE: |
| /* do not overwrite previous data */ |
| if (!wacom_wac->has_mode_change) { |
| wacom_wac->has_mode_change = true; |
| wacom_wac->is_direct_mode = true; |
| } |
| features->device_type |= WACOM_DEVICETYPE_PAD; |
| break; |
| } |
| |
| switch (equivalent_usage & 0xfffffff0) { |
| case WACOM_HID_WD_EXPRESSKEY00: |
| wacom_map_usage(input, usage, field, EV_KEY, |
| wacom_numbered_button_to_key(features->numbered_buttons), |
| 0); |
| features->numbered_buttons++; |
| features->device_type |= WACOM_DEVICETYPE_PAD; |
| break; |
| } |
| } |
| |
| static void wacom_wac_pad_event(struct hid_device *hdev, struct hid_field *field, |
| struct hid_usage *usage, __s32 value) |
| { |
| struct wacom *wacom = hid_get_drvdata(hdev); |
| struct wacom_wac *wacom_wac = &wacom->wacom_wac; |
| struct input_dev *input = wacom_wac->pad_input; |
| struct wacom_features *features = &wacom_wac->features; |
| unsigned equivalent_usage = wacom_equivalent_usage(usage->hid); |
| int i; |
| bool is_touch_on = value; |
| bool do_report = false; |
| |
| /* |
| * Avoid reporting this event and setting inrange_state if this usage |
| * hasn't been mapped. |
| */ |
| if (!usage->type && equivalent_usage != WACOM_HID_WD_MODE_CHANGE) |
| return; |
| |
| if (wacom_equivalent_usage(field->physical) == HID_DG_TABLETFUNCTIONKEY) { |
| if (usage->hid != WACOM_HID_WD_TOUCHRING) |
| wacom_wac->hid_data.inrange_state |= value; |
| } |
| |
| switch (equivalent_usage) { |
| case WACOM_HID_WD_TOUCHRING: |
| /* |
| * Userspace expects touchrings to increase in value with |
| * clockwise gestures and have their zero point at the |
| * tablet's left. HID events "should" be clockwise- |
| * increasing and zero at top, though the MobileStudio |
| * Pro and 2nd-gen Intuos Pro don't do this... |
| */ |
| if (hdev->vendor == 0x56a && |
| (hdev->product == 0x34d || hdev->product == 0x34e || /* MobileStudio Pro */ |
| hdev->product == 0x357 || hdev->product == 0x358)) { /* Intuos Pro 2 */ |
| value = (field->logical_maximum - value); |
| |
| if (hdev->product == 0x357 || hdev->product == 0x358) |
| value = wacom_offset_rotation(input, usage, value, 3, 16); |
| else if (hdev->product == 0x34d || hdev->product == 0x34e) |
| value = wacom_offset_rotation(input, usage, value, 1, 2); |
| } |
| else { |
| value = wacom_offset_rotation(input, usage, value, 1, 4); |
| } |
| do_report = true; |
| break; |
| case WACOM_HID_WD_TOUCHRINGSTATUS: |
| if (!value) |
| input_event(input, usage->type, usage->code, 0); |
| break; |
| |
| case WACOM_HID_WD_MUTE_DEVICE: |
| if (wacom_wac->shared->touch_input && value) { |
| wacom_wac->shared->is_touch_on = !wacom_wac->shared->is_touch_on; |
| is_touch_on = wacom_wac->shared->is_touch_on; |
| } |
| |
| /* fall through*/ |
| case WACOM_HID_WD_TOUCHONOFF: |
| if (wacom_wac->shared->touch_input) { |
| input_report_switch(wacom_wac->shared->touch_input, |
| SW_MUTE_DEVICE, !is_touch_on); |
| input_sync(wacom_wac->shared->touch_input); |
| } |
| break; |
| |
| case WACOM_HID_WD_MODE_CHANGE: |
| if (wacom_wac->is_direct_mode != value) { |
| wacom_wac->is_direct_mode = value; |
| wacom_schedule_work(&wacom->wacom_wac, WACOM_WORKER_MODE_CHANGE); |
| } |
| break; |
| |
| case WACOM_HID_WD_BUTTONCENTER: |
| for (i = 0; i < wacom->led.count; i++) |
| wacom_update_led(wacom, features->numbered_buttons, |
| value, i); |
| /* fall through*/ |
| default: |
| do_report = true; |
| break; |
| } |
| |
| if (do_report) { |
| input_event(input, usage->type, usage->code, value); |
| if (value) |
| wacom_wac->hid_data.pad_input_event_flag = true; |
| } |
| } |
| |
| static void wacom_wac_pad_pre_report(struct hid_device *hdev, |
| struct hid_report *report) |
| { |
| struct wacom *wacom = hid_get_drvdata(hdev); |
| struct wacom_wac *wacom_wac = &wacom->wacom_wac; |
| |
| wacom_wac->hid_data.inrange_state = 0; |
| } |
| |
| static void wacom_wac_pad_report(struct hid_device *hdev, |
| struct hid_report *report) |
| { |
| struct wacom *wacom = hid_get_drvdata(hdev); |
| struct wacom_wac *wacom_wac = &wacom->wacom_wac; |
| struct input_dev *input = wacom_wac->pad_input; |
| bool active = wacom_wac->hid_data.inrange_state != 0; |
| |
| /* report prox for expresskey events */ |
| if ((wacom_equivalent_usage(report->field[0]->physical) == HID_DG_TABLETFUNCTIONKEY) && |
| wacom_wac->hid_data.pad_input_event_flag) { |
| input_event(input, EV_ABS, ABS_MISC, active ? PAD_DEVICE_ID : 0); |
| input_sync(input); |
| if (!active) |
| wacom_wac->hid_data.pad_input_event_flag = false; |
| } |
| |
| } |
| |
| static void wacom_wac_pen_usage_mapping(struct hid_device *hdev, |
| struct hid_field *field, struct hid_usage *usage) |
| { |
| struct wacom *wacom = hid_get_drvdata(hdev); |
| struct wacom_wac *wacom_wac = &wacom->wacom_wac; |
| struct wacom_features *features = &wacom_wac->features; |
| struct input_dev *input = wacom_wac->pen_input; |
| unsigned equivalent_usage = wacom_equivalent_usage(usage->hid); |
| |
| switch (equivalent_usage) { |
| case HID_GD_X: |
| wacom_map_usage(input, usage, field, EV_ABS, ABS_X, 4); |
| break; |
| case HID_GD_Y: |
| wacom_map_usage(input, usage, field, EV_ABS, ABS_Y, 4); |
| break; |
| case WACOM_HID_WD_DISTANCE: |
| case HID_GD_Z: |
| wacom_map_usage(input, usage, field, EV_ABS, ABS_DISTANCE, 0); |
| break; |
| case HID_DG_TIPPRESSURE: |
| wacom_map_usage(input, usage, field, EV_ABS, ABS_PRESSURE, 0); |
| break; |
| case HID_DG_INRANGE: |
| wacom_map_usage(input, usage, field, EV_KEY, BTN_TOOL_PEN, 0); |
| break; |
| case HID_DG_INVERT: |
| wacom_map_usage(input, usage, field, EV_KEY, |
| BTN_TOOL_RUBBER, 0); |
| break; |
| case HID_DG_TILT_X: |
| wacom_map_usage(input, usage, field, EV_ABS, ABS_TILT_X, 0); |
| break; |
| case HID_DG_TILT_Y: |
| wacom_map_usage(input, usage, field, EV_ABS, ABS_TILT_Y, 0); |
| break; |
| case HID_DG_TWIST: |
| wacom_map_usage(input, usage, field, EV_ABS, ABS_Z, 0); |
| break; |
| case HID_DG_ERASER: |
| case HID_DG_TIPSWITCH: |
| wacom_map_usage(input, usage, field, EV_KEY, BTN_TOUCH, 0); |
| break; |
| case HID_DG_BARRELSWITCH: |
| wacom_map_usage(input, usage, field, EV_KEY, BTN_STYLUS, 0); |
| break; |
| case HID_DG_BARRELSWITCH2: |
| wacom_map_usage(input, usage, field, EV_KEY, BTN_STYLUS2, 0); |
| break; |
| case HID_DG_TOOLSERIALNUMBER: |
| wacom_map_usage(input, usage, field, EV_MSC, MSC_SERIAL, 0); |
| break; |
| case WACOM_HID_WD_SENSE: |
| features->quirks |= WACOM_QUIRK_SENSE; |
| wacom_map_usage(input, usage, field, EV_KEY, BTN_TOOL_PEN, 0); |
| break; |
| case WACOM_HID_WD_SERIALHI: |
| wacom_map_usage(input, usage, field, EV_ABS, ABS_MISC, 0); |
| set_bit(EV_KEY, input->evbit); |
| input_set_capability(input, EV_KEY, BTN_TOOL_PEN); |
| input_set_capability(input, EV_KEY, BTN_TOOL_RUBBER); |
| input_set_capability(input, EV_KEY, BTN_TOOL_BRUSH); |
| input_set_capability(input, EV_KEY, BTN_TOOL_PENCIL); |
| input_set_capability(input, EV_KEY, BTN_TOOL_AIRBRUSH); |
| if (!(features->device_type & WACOM_DEVICETYPE_DIRECT)) { |
| input_set_capability(input, EV_KEY, BTN_TOOL_MOUSE); |
| input_set_capability(input, EV_KEY, BTN_TOOL_LENS); |
| } |
| break; |
| case WACOM_HID_WD_FINGERWHEEL: |
| wacom_map_usage(input, usage, field, EV_ABS, ABS_WHEEL, 0); |
| break; |
| } |
| } |
| |
| static void wacom_wac_pen_event(struct hid_device *hdev, struct hid_field *field, |
| struct hid_usage *usage, __s32 value) |
| { |
| struct wacom *wacom = hid_get_drvdata(hdev); |
| struct wacom_wac *wacom_wac = &wacom->wacom_wac; |
| struct wacom_features *features = &wacom_wac->features; |
| struct input_dev *input = wacom_wac->pen_input; |
| unsigned equivalent_usage = wacom_equivalent_usage(usage->hid); |
| |
| switch (equivalent_usage) { |
| case HID_GD_Z: |
| /* |
| * HID_GD_Z "should increase as the control's position is |
| * moved from high to low", while ABS_DISTANCE instead |
| * increases in value as the tool moves from low to high. |
| */ |
| value = field->logical_maximum - value; |
| break; |
| case HID_DG_INRANGE: |
| wacom_wac->hid_data.inrange_state = value; |
| if (!(features->quirks & WACOM_QUIRK_SENSE)) |
| wacom_wac->hid_data.sense_state = value; |
| return; |
| case HID_DG_INVERT: |
| wacom_wac->hid_data.invert_state = value; |
| return; |
| case HID_DG_ERASER: |
| case HID_DG_TIPSWITCH: |
| wacom_wac->hid_data.tipswitch |= value; |
| return; |
| case HID_DG_TOOLSERIALNUMBER: |
| if (value) { |
| wacom_wac->serial[0] = (wacom_wac->serial[0] & ~0xFFFFFFFFULL); |
| wacom_wac->serial[0] |= (__u32)value; |
| } |
| return; |
| case HID_DG_TWIST: |
| /* |
| * Userspace expects pen twist to have its zero point when |
| * the buttons/finger is on the tablet's left. HID values |
| * are zero when buttons are toward the top. |
| */ |
| value = wacom_offset_rotation(input, usage, value, 1, 4); |
| break; |
| case WACOM_HID_WD_SENSE: |
| wacom_wac->hid_data.sense_state = value; |
| return; |
| case WACOM_HID_WD_SERIALHI: |
| if (value) { |
| wacom_wac->serial[0] = (wacom_wac->serial[0] & 0xFFFFFFFF); |
| wacom_wac->serial[0] |= ((__u64)value) << 32; |
| /* |
| * Non-USI EMR devices may contain additional tool type |
| * information here. See WACOM_HID_WD_TOOLTYPE case for |
| * more details. |
| */ |
| if (value >> 20 == 1) { |
| wacom_wac->id[0] |= value & 0xFFFFF; |
| } |
| } |
| return; |
| case WACOM_HID_WD_TOOLTYPE: |
| /* |
| * Some devices (MobileStudio Pro, and possibly later |
| * devices as well) do not return the complete tool |
| * type in their WACOM_HID_WD_TOOLTYPE usage. Use a |
| * bitwise OR so the complete value can be built |
| * up over time :( |
| */ |
| wacom_wac->id[0] |= value; |
| return; |
| case WACOM_HID_WD_OFFSETLEFT: |
| if (features->offset_left && value != features->offset_left) |
| hid_warn(hdev, "%s: overriding existing left offset " |
| "%d -> %d\n", __func__, value, |
| features->offset_left); |
| features->offset_left = value; |
| return; |
| case WACOM_HID_WD_OFFSETRIGHT: |
| if (features->offset_right && value != features->offset_right) |
| hid_warn(hdev, "%s: overriding existing right offset " |
| "%d -> %d\n", __func__, value, |
| features->offset_right); |
| features->offset_right = value; |
| return; |
| case WACOM_HID_WD_OFFSETTOP: |
| if (features->offset_top && value != features->offset_top) |
| hid_warn(hdev, "%s: overriding existing top offset " |
| "%d -> %d\n", __func__, value, |
| features->offset_top); |
| features->offset_top = value; |
| return; |
| case WACOM_HID_WD_OFFSETBOTTOM: |
| if (features->offset_bottom && value != features->offset_bottom) |
| hid_warn(hdev, "%s: overriding existing bottom offset " |
| "%d -> %d\n", __func__, value, |
| features->offset_bottom); |
| features->offset_bottom = value; |
| return; |
| } |
| |
| /* send pen events only when touch is up or forced out |
| * or touch arbitration is off |
| */ |
| if (!usage->type || delay_pen_events(wacom_wac)) |
| return; |
| |
| /* send pen events only when the pen is in/entering/leaving proximity */ |
| if (!wacom_wac->hid_data.inrange_state && !wacom_wac->tool[0]) |
| return; |
| |
| input_event(input, usage->type, usage->code, value); |
| } |
| |
| static void wacom_wac_pen_pre_report(struct hid_device *hdev, |
| struct hid_report *report) |
| { |
| return; |
| } |
| |
| static void wacom_wac_pen_report(struct hid_device *hdev, |
| struct hid_report *report) |
| { |
| struct wacom *wacom = hid_get_drvdata(hdev); |
| struct wacom_wac *wacom_wac = &wacom->wacom_wac; |
| struct input_dev *input = wacom_wac->pen_input; |
| bool prox = wacom_wac->hid_data.inrange_state; |
| bool range = wacom_wac->hid_data.sense_state; |
| |
| if (!wacom_wac->tool[0] && prox) { /* first in prox */ |
| /* Going into proximity select tool */ |
| if (wacom_wac->hid_data.invert_state) |
| wacom_wac->tool[0] = BTN_TOOL_RUBBER; |
| else if (wacom_wac->id[0]) |
| wacom_wac->tool[0] = wacom_intuos_get_tool_type(wacom_wac->id[0]); |
| else |
| wacom_wac->tool[0] = BTN_TOOL_PEN; |
| } |
| |
| /* keep pen state for touch events */ |
| wacom_wac->shared->stylus_in_proximity = range; |
| |
| if (!delay_pen_events(wacom_wac) && wacom_wac->tool[0]) { |
| int id = wacom_wac->id[0]; |
| |
| /* |
| * Non-USI EMR tools should have their IDs mangled to |
| * match the legacy behavior of wacom_intuos_general |
| */ |
| if (wacom_wac->serial[0] >> 52 == 1) |
| id = wacom_intuos_id_mangle(id); |
| |
| /* |
| * To ensure compatibility with xf86-input-wacom, we should |
| * report the BTN_TOOL_* event prior to the ABS_MISC or |
| * MSC_SERIAL events. |
| */ |
| input_report_key(input, BTN_TOUCH, |
| wacom_wac->hid_data.tipswitch); |
| input_report_key(input, wacom_wac->tool[0], prox); |
| if (wacom_wac->serial[0]) { |
| input_event(input, EV_MSC, MSC_SERIAL, wacom_wac->serial[0]); |
| input_report_abs(input, ABS_MISC, prox ? id : 0); |
| } |
| |
| wacom_wac->hid_data.tipswitch = false; |
| |
| input_sync(input); |
| } |
| |
| if (!prox) { |
| wacom_wac->tool[0] = 0; |
| wacom_wac->id[0] = 0; |
| wacom_wac->serial[0] = 0; |
| } |
| } |
| |
| static void wacom_wac_finger_usage_mapping(struct hid_device *hdev, |
| struct hid_field *field, struct hid_usage *usage) |
| { |
| struct wacom *wacom = hid_get_drvdata(hdev); |
| struct wacom_wac *wacom_wac = &wacom->wacom_wac; |
| struct input_dev *input = wacom_wac->touch_input; |
| unsigned touch_max = wacom_wac->features.touch_max; |
| unsigned equivalent_usage = wacom_equivalent_usage(usage->hid); |
| |
| switch (equivalent_usage) { |
| case HID_GD_X: |
| if (touch_max == 1) |
| wacom_map_usage(input, usage, field, EV_ABS, ABS_X, 4); |
| else |
| wacom_map_usage(input, usage, field, EV_ABS, |
| ABS_MT_POSITION_X, 4); |
| break; |
| case HID_GD_Y: |
| if (touch_max == 1) |
| wacom_map_usage(input, usage, field, EV_ABS, ABS_Y, 4); |
| else |
| wacom_map_usage(input, usage, field, EV_ABS, |
| ABS_MT_POSITION_Y, 4); |
| break; |
| case HID_DG_WIDTH: |
| case HID_DG_HEIGHT: |
| wacom_map_usage(input, usage, field, EV_ABS, ABS_MT_TOUCH_MAJOR, 0); |
| wacom_map_usage(input, usage, field, EV_ABS, ABS_MT_TOUCH_MINOR, 0); |
| input_set_abs_params(input, ABS_MT_ORIENTATION, 0, 1, 0, 0); |
| break; |
| case HID_DG_TIPSWITCH: |
| wacom_map_usage(input, usage, field, EV_KEY, BTN_TOUCH, 0); |
| break; |
| case HID_DG_CONTACTCOUNT: |
| wacom_wac->hid_data.cc_report = field->report->id; |
| wacom_wac->hid_data.cc_index = field->index; |
| wacom_wac->hid_data.cc_value_index = usage->usage_index; |
| break; |
| case HID_DG_CONTACTID: |
| if ((field->logical_maximum - field->logical_minimum) < touch_max) { |
| /* |
| * The HID descriptor for G11 sensors leaves logical |
| * maximum set to '1' despite it being a multitouch |
| * device. Override to a sensible number. |
| */ |
| field->logical_maximum = 255; |
| } |
| break; |
| } |
| } |
| |
| static void wacom_wac_finger_slot(struct wacom_wac *wacom_wac, |
| struct input_dev *input) |
| { |
| struct hid_data *hid_data = &wacom_wac->hid_data; |
| bool mt = wacom_wac->features.touch_max > 1; |
| bool prox = hid_data->tipswitch && |
| report_touch_events(wacom_wac); |
| |
| if (wacom_wac->shared->has_mute_touch_switch && |
| !wacom_wac->shared->is_touch_on) { |
| if (!wacom_wac->shared->touch_down) |
| return; |
| prox = 0; |
| } |
| |
| wacom_wac->hid_data.num_received++; |
| if (wacom_wac->hid_data.num_received > wacom_wac->hid_data.num_expected) |
| return; |
| |
| if (mt) { |
| int slot; |
| |
| slot = input_mt_get_slot_by_key(input, hid_data->id); |
| input_mt_slot(input, slot); |
| input_mt_report_slot_state(input, MT_TOOL_FINGER, prox); |
| } |
| else { |
| input_report_key(input, BTN_TOUCH, prox); |
| } |
| |
| if (prox) { |
| input_report_abs(input, mt ? ABS_MT_POSITION_X : ABS_X, |
| hid_data->x); |
| input_report_abs(input, mt ? ABS_MT_POSITION_Y : ABS_Y, |
| hid_data->y); |
| |
| if (test_bit(ABS_MT_TOUCH_MAJOR, input->absbit)) { |
| input_report_abs(input, ABS_MT_TOUCH_MAJOR, max(hid_data->width, hid_data->height)); |
| input_report_abs(input, ABS_MT_TOUCH_MINOR, min(hid_data->width, hid_data->height)); |
| if (hid_data->width != hid_data->height) |
| input_report_abs(input, ABS_MT_ORIENTATION, hid_data->width <= hid_data->height ? 0 : 1); |
| } |
| } |
| } |
| |
| static void wacom_wac_finger_event(struct hid_device *hdev, |
| struct hid_field *field, struct hid_usage *usage, __s32 value) |
| { |
| struct wacom *wacom = hid_get_drvdata(hdev); |
| struct wacom_wac *wacom_wac = &wacom->wacom_wac; |
| unsigned equivalent_usage = wacom_equivalent_usage(usage->hid); |
| |
| switch (equivalent_usage) { |
| case HID_GD_X: |
| wacom_wac->hid_data.x = value; |
| break; |
| case HID_GD_Y: |
| wacom_wac->hid_data.y = value; |
| break; |
| case HID_DG_WIDTH: |
| wacom_wac->hid_data.width = value; |
| break; |
| case HID_DG_HEIGHT: |
| wacom_wac->hid_data.height = value; |
| break; |
| case HID_DG_CONTACTID: |
| wacom_wac->hid_data.id = value; |
| break; |
| case HID_DG_TIPSWITCH: |
| wacom_wac->hid_data.tipswitch = value; |
| break; |
| } |
| |
| |
| if (usage->usage_index + 1 == field->report_count) { |
| if (equivalent_usage == wacom_wac->hid_data.last_slot_field) |
| wacom_wac_finger_slot(wacom_wac, wacom_wac->touch_input); |
| } |
| } |
| |
| static void wacom_wac_finger_pre_report(struct hid_device *hdev, |
| struct hid_report *report) |
| { |
| struct wacom *wacom = hid_get_drvdata(hdev); |
| struct wacom_wac *wacom_wac = &wacom->wacom_wac; |
| struct hid_data* hid_data = &wacom_wac->hid_data; |
| int i; |
| |
| for (i = 0; i < report->maxfield; i++) { |
| struct hid_field *field = report->field[i]; |
| int j; |
| |
| for (j = 0; j < field->maxusage; j++) { |
| struct hid_usage *usage = &field->usage[j]; |
| unsigned int equivalent_usage = |
| wacom_equivalent_usage(usage->hid); |
| |
| switch (equivalent_usage) { |
| case HID_GD_X: |
| case HID_GD_Y: |
| case HID_DG_WIDTH: |
| case HID_DG_HEIGHT: |
| case HID_DG_CONTACTID: |
| case HID_DG_INRANGE: |
| case HID_DG_INVERT: |
| case HID_DG_TIPSWITCH: |
| hid_data->last_slot_field = equivalent_usage; |
| break; |
| case HID_DG_CONTACTCOUNT: |
| hid_data->cc_report = report->id; |
| hid_data->cc_index = i; |
| hid_data->cc_value_index = j; |
| break; |
| } |
| } |
| } |
| |
| if (hid_data->cc_report != 0 && |
| hid_data->cc_index >= 0) { |
| struct hid_field *field = report->field[hid_data->cc_index]; |
| int value = field->value[hid_data->cc_value_index]; |
| if (value) |
| hid_data->num_expected = value; |
| } |
| else { |
| hid_data->num_expected = wacom_wac->features.touch_max; |
| } |
| } |
| |
| static void wacom_wac_finger_report(struct hid_device *hdev, |
| struct hid_report *report) |
| { |
| struct wacom *wacom = hid_get_drvdata(hdev); |
| struct wacom_wac *wacom_wac = &wacom->wacom_wac; |
| struct input_dev *input = wacom_wac->touch_input; |
| unsigned touch_max = wacom_wac->features.touch_max; |
| |
| /* If more packets of data are expected, give us a chance to |
| * process them rather than immediately syncing a partial |
| * update. |
| */ |
| if (wacom_wac->hid_data.num_received < wacom_wac->hid_data.num_expected) |
| return; |
| |
| if (touch_max > 1) |
| input_mt_sync_frame(input); |
| |
| input_sync(input); |
| wacom_wac->hid_data.num_received = 0; |
| |
| /* keep touch state for pen event */ |
| wacom_wac->shared->touch_down = wacom_wac_finger_count_touches(wacom_wac); |
| } |
| |
| void wacom_wac_usage_mapping(struct hid_device *hdev, |
| struct hid_field *field, struct hid_usage *usage) |
| { |
| struct wacom *wacom = hid_get_drvdata(hdev); |
| struct wacom_wac *wacom_wac = &wacom->wacom_wac; |
| struct wacom_features *features = &wacom_wac->features; |
| |
| if (WACOM_DIRECT_DEVICE(field)) |
| features->device_type |= WACOM_DEVICETYPE_DIRECT; |
| |
| /* usage tests must precede field tests */ |
| if (WACOM_BATTERY_USAGE(usage)) |
| wacom_wac_battery_usage_mapping(hdev, field, usage); |
| else if (WACOM_PAD_FIELD(field)) |
| wacom_wac_pad_usage_mapping(hdev, field, usage); |
| else if (WACOM_PEN_FIELD(field)) |
| wacom_wac_pen_usage_mapping(hdev, field, usage); |
| else if (WACOM_FINGER_FIELD(field)) |
| wacom_wac_finger_usage_mapping(hdev, field, usage); |
| } |
| |
| void wacom_wac_event(struct hid_device *hdev, struct hid_field *field, |
| struct hid_usage *usage, __s32 value) |
| { |
| struct wacom *wacom = hid_get_drvdata(hdev); |
| |
| if (wacom->wacom_wac.features.type != HID_GENERIC) |
| return; |
| |
| if (value > field->logical_maximum || value < field->logical_minimum) |
| return; |
| |
| /* usage tests must precede field tests */ |
| if (WACOM_BATTERY_USAGE(usage)) |
| wacom_wac_battery_event(hdev, field, usage, value); |
| else if (WACOM_PAD_FIELD(field) && wacom->wacom_wac.pad_input) |
| wacom_wac_pad_event(hdev, field, usage, value); |
| else if (WACOM_PEN_FIELD(field) && wacom->wacom_wac.pen_input) |
| wacom_wac_pen_event(hdev, field, usage, value); |
| else if (WACOM_FINGER_FIELD(field) && wacom->wacom_wac.touch_input) |
| wacom_wac_finger_event(hdev, field, usage, value); |
| } |
| |
| static void wacom_report_events(struct hid_device *hdev, struct hid_report *report) |
| { |
| int r; |
| |
| for (r = 0; r < report->maxfield; r++) { |
| struct hid_field *field; |
| unsigned count, n; |
| |
| field = report->field[r]; |
| count = field->report_count; |
| |
| if (!(HID_MAIN_ITEM_VARIABLE & field->flags)) |
| continue; |
| |
| for (n = 0; n < count; n++) |
| wacom_wac_event(hdev, field, &field->usage[n], field->value[n]); |
| } |
| } |
| |
| void wacom_wac_report(struct hid_device *hdev, struct hid_report *report) |
| { |
| struct wacom *wacom = hid_get_drvdata(hdev); |
| struct wacom_wac *wacom_wac = &wacom->wacom_wac; |
| struct hid_field *field = report->field[0]; |
| |
| if (wacom_wac->features.type != HID_GENERIC) |
| return; |
| |
| wacom_wac_battery_pre_report(hdev, report); |
| |
| if (WACOM_PAD_FIELD(field) && wacom->wacom_wac.pad_input) |
| wacom_wac_pad_pre_report(hdev, report); |
| else if (WACOM_PEN_FIELD(field) && wacom->wacom_wac.pen_input) |
| wacom_wac_pen_pre_report(hdev, report); |
| else if (WACOM_FINGER_FIELD(field) && wacom->wacom_wac.touch_input) |
| wacom_wac_finger_pre_report(hdev, report); |
| |
| wacom_report_events(hdev, report); |
| |
| /* |
| * Non-input reports may be sent prior to the device being |
| * completely initialized. Since only their events need |
| * to be processed, exit after 'wacom_report_events' has |
| * been called to prevent potential crashes in the report- |
| * processing functions. |
| */ |
| if (report->type != HID_INPUT_REPORT) |
| return; |
| |
| wacom_wac_battery_report(hdev, report); |
| |
| if (WACOM_PAD_FIELD(field) && wacom->wacom_wac.pad_input) |
| wacom_wac_pad_report(hdev, report); |
| else if (WACOM_PEN_FIELD(field) && wacom->wacom_wac.pen_input) |
| wacom_wac_pen_report(hdev, report); |
| else if (WACOM_FINGER_FIELD(field) && wacom->wacom_wac.touch_input) |
| wacom_wac_finger_report(hdev, report); |
| } |
| |
| static int wacom_bpt_touch(struct wacom_wac *wacom) |
| { |
| struct wacom_features *features = &wacom->features; |
| struct input_dev *input = wacom->touch_input; |
| struct input_dev *pad_input = wacom->pad_input; |
| unsigned char *data = wacom->data; |
| int i; |
| |
| if (data[0] != 0x02) |
| return 0; |
| |
| for (i = 0; i < 2; i++) { |
| int offset = (data[1] & 0x80) ? (8 * i) : (9 * i); |
| bool touch = report_touch_events(wacom) |
| && (data[offset + 3] & 0x80); |
| |
| input_mt_slot(input, i); |
| input_mt_report_slot_state(input, MT_TOOL_FINGER, touch); |
| if (touch) { |
| int x = get_unaligned_be16(&data[offset + 3]) & 0x7ff; |
| int y = get_unaligned_be16(&data[offset + 5]) & 0x7ff; |
| if (features->quirks & WACOM_QUIRK_BBTOUCH_LOWRES) { |
| x <<= 5; |
| y <<= 5; |
| } |
| input_report_abs(input, ABS_MT_POSITION_X, x); |
| input_report_abs(input, ABS_MT_POSITION_Y, y); |
| } |
| } |
| |
| input_mt_sync_frame(input); |
| |
| input_report_key(pad_input, BTN_LEFT, (data[1] & 0x08) != 0); |
| input_report_key(pad_input, BTN_FORWARD, (data[1] & 0x04) != 0); |
|