X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=drivers%2Fhid%2Fhid-multitouch.c;h=1d5b94167b521566268d91077b307c68a29d04cc;hb=4a247a4119ee932e06e985e0a95a13c3eed4715b;hp=ddba4c50815bb71d00296cfe7e3c9519669a30fd;hpb=4d5df5d11e8027c11c1079205757527cbaade62d;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c index ddba4c5..1d5b941 100644 --- a/drivers/hid/hid-multitouch.c +++ b/drivers/hid/hid-multitouch.c @@ -1,9 +1,9 @@ /* * HID driver for multitouch panels * - * Copyright (c) 2010-2011 Stephane Chatty - * Copyright (c) 2010-2011 Benjamin Tissoires - * Copyright (c) 2010-2011 Ecole Nationale de l'Aviation Civile, France + * Copyright (c) 2010-2012 Stephane Chatty + * Copyright (c) 2010-2012 Benjamin Tissoires + * Copyright (c) 2010-2012 Ecole Nationale de l'Aviation Civile, France * * This code is partly based on hid-egalax.c: * @@ -67,6 +67,7 @@ struct mt_class { __s32 sn_height; /* Signal/noise ratio for height events */ __s32 sn_pressure; /* Signal/noise ratio for pressure events */ __u8 maxcontacts; + bool is_indirect; /* true for touchpads */ }; struct mt_device { @@ -74,11 +75,15 @@ struct mt_device { struct mt_class mtclass; /* our mt device class */ unsigned last_field_index; /* last field index of the report */ unsigned last_slot_field; /* the last field of a slot */ - int last_mt_collection; /* last known mt-related collection */ __s8 inputmode; /* InputMode HID feature, -1 if non-existent */ + __s8 maxcontact_report_id; /* Maximum Contact Number HID feature, + -1 if non-existent */ __u8 num_received; /* how many contacts we received */ __u8 num_expected; /* expected last contact index */ __u8 maxcontacts; + __u8 touches_by_report; /* how many touches are present in one report: + * 1 means we should use a serial protocol + * > 1 means hybrid (multitouch) protocol */ bool curvalid; /* is the current contact valid? */ struct mt_slot *slots; }; @@ -100,6 +105,8 @@ struct mt_device { #define MT_CLS_CYPRESS 0x0102 #define MT_CLS_EGALAX 0x0103 #define MT_CLS_EGALAX_SERIAL 0x0104 +#define MT_CLS_TOPSEED 0x0105 +#define MT_CLS_PANASONIC 0x0106 #define MT_DEFAULT_MAXCONTACT 10 @@ -189,6 +196,14 @@ static struct mt_class mt_classes[] = { .sn_move = 4096, .sn_pressure = 32, }, + { .name = MT_CLS_TOPSEED, + .quirks = MT_QUIRK_ALWAYS_VALID, + .is_indirect = true, + .maxcontacts = 2, + }, + { .name = MT_CLS_PANASONIC, + .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP, + .maxcontacts = 4 }, { } }; @@ -241,6 +256,7 @@ static void mt_feature_mapping(struct hid_device *hdev, td->inputmode = field->report->id; break; case HID_DG_CONTACTMAX: + td->maxcontact_report_id = field->report->id; td->maxcontacts = field->value[0]; if (td->mtclass.maxcontacts) /* check if the maxcontacts is given by the class */ @@ -259,23 +275,44 @@ static void set_abs(struct input_dev *input, unsigned int code, input_set_abs_params(input, code, fmin, fmax, fuzz, 0); } +static void set_last_slot_field(struct hid_usage *usage, struct mt_device *td, + struct hid_input *hi) +{ + if (!test_bit(usage->hid, hi->input->absbit)) + td->last_slot_field = usage->hid; +} + static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi, struct hid_field *field, struct hid_usage *usage, unsigned long **bit, int *max) { struct mt_device *td = hid_get_drvdata(hdev); struct mt_class *cls = &td->mtclass; + int code; /* Only map fields from TouchScreen or TouchPad collections. - * We need to ignore fields that belong to other collections - * such as Mouse that might have the same GenericDesktop usages. */ + * We need to ignore fields that belong to other collections + * such as Mouse that might have the same GenericDesktop usages. */ if (field->application == HID_DG_TOUCHSCREEN) set_bit(INPUT_PROP_DIRECT, hi->input->propbit); - else if (field->application == HID_DG_TOUCHPAD) - set_bit(INPUT_PROP_POINTER, hi->input->propbit); - else + else if (field->application != HID_DG_TOUCHPAD) return 0; + /* In case of an indirect device (touchpad), we need to add + * specific BTN_TOOL_* to be handled by the synaptics xorg + * driver. + * We also consider that touchscreens providing buttons are touchpads. + */ + if (field->application == HID_DG_TOUCHPAD || + (usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON || + cls->is_indirect) { + set_bit(INPUT_PROP_POINTER, hi->input->propbit); + set_bit(BTN_TOOL_FINGER, hi->input->keybit); + set_bit(BTN_TOOL_DOUBLETAP, hi->input->keybit); + set_bit(BTN_TOOL_TRIPLETAP, hi->input->keybit); + set_bit(BTN_TOOL_QUADTAP, hi->input->keybit); + } + /* eGalax devices provide a Digitizer.Stylus input which overrides * the correct Digitizers.Finger X/Y ranges. * Let's just ignore this input. */ @@ -293,10 +330,8 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi, cls->sn_move); /* touchscreen emulation */ set_abs(hi->input, ABS_X, field, cls->sn_move); - if (td->last_mt_collection == usage->collection_index) { - td->last_slot_field = usage->hid; - td->last_field_index = field->index; - } + set_last_slot_field(usage, td, hi); + td->last_field_index = field->index; return 1; case HID_GD_Y: hid_map_usage(hi, usage, bit, max, @@ -305,10 +340,8 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi, cls->sn_move); /* touchscreen emulation */ set_abs(hi->input, ABS_Y, field, cls->sn_move); - if (td->last_mt_collection == usage->collection_index) { - td->last_slot_field = usage->hid; - td->last_field_index = field->index; - } + set_last_slot_field(usage, td, hi); + td->last_field_index = field->index; return 1; } return 0; @@ -316,24 +349,18 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi, case HID_UP_DIGITIZER: switch (usage->hid) { case HID_DG_INRANGE: - if (td->last_mt_collection == usage->collection_index) { - td->last_slot_field = usage->hid; - td->last_field_index = field->index; - } + set_last_slot_field(usage, td, hi); + td->last_field_index = field->index; return 1; case HID_DG_CONFIDENCE: - if (td->last_mt_collection == usage->collection_index) { - td->last_slot_field = usage->hid; - td->last_field_index = field->index; - } + set_last_slot_field(usage, td, hi); + td->last_field_index = field->index; return 1; case HID_DG_TIPSWITCH: hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH); input_set_capability(hi->input, EV_KEY, BTN_TOUCH); - if (td->last_mt_collection == usage->collection_index) { - td->last_slot_field = usage->hid; - td->last_field_index = field->index; - } + set_last_slot_field(usage, td, hi); + td->last_field_index = field->index; return 1; case HID_DG_CONTACTID: if (!td->maxcontacts) @@ -341,17 +368,15 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi, input_mt_init_slots(hi->input, td->maxcontacts); td->last_slot_field = usage->hid; td->last_field_index = field->index; - td->last_mt_collection = usage->collection_index; + td->touches_by_report++; return 1; case HID_DG_WIDTH: hid_map_usage(hi, usage, bit, max, EV_ABS, ABS_MT_TOUCH_MAJOR); set_abs(hi->input, ABS_MT_TOUCH_MAJOR, field, cls->sn_width); - if (td->last_mt_collection == usage->collection_index) { - td->last_slot_field = usage->hid; - td->last_field_index = field->index; - } + set_last_slot_field(usage, td, hi); + td->last_field_index = field->index; return 1; case HID_DG_HEIGHT: hid_map_usage(hi, usage, bit, max, @@ -360,10 +385,8 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi, cls->sn_height); input_set_abs_params(hi->input, ABS_MT_ORIENTATION, 0, 1, 0, 0); - if (td->last_mt_collection == usage->collection_index) { - td->last_slot_field = usage->hid; - td->last_field_index = field->index; - } + set_last_slot_field(usage, td, hi); + td->last_field_index = field->index; return 1; case HID_DG_TIPPRESSURE: hid_map_usage(hi, usage, bit, max, @@ -373,25 +396,31 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi, /* touchscreen emulation */ set_abs(hi->input, ABS_PRESSURE, field, cls->sn_pressure); - if (td->last_mt_collection == usage->collection_index) { - td->last_slot_field = usage->hid; - td->last_field_index = field->index; - } + set_last_slot_field(usage, td, hi); + td->last_field_index = field->index; return 1; case HID_DG_CONTACTCOUNT: - if (td->last_mt_collection == usage->collection_index) - td->last_field_index = field->index; + td->last_field_index = field->index; return 1; case HID_DG_CONTACTMAX: /* we don't set td->last_slot_field as contactcount and * contact max are global to the report */ - if (td->last_mt_collection == usage->collection_index) - td->last_field_index = field->index; + td->last_field_index = field->index; return -1; } + case HID_DG_TOUCH: + /* Legacy devices use TIPSWITCH and not TOUCH. + * Let's just ignore this field. */ + return -1; /* let hid-input decide for the others */ return 0; + case HID_UP_BUTTON: + code = BTN_MOUSE + ((usage->hid - 1) & HID_USAGE); + hid_map_usage(hi, usage, bit, max, EV_KEY, code); + input_set_capability(hi->input, EV_KEY, code); + return 1; + case 0xff000000: /* we do not want to map these: no input-oriented meaning */ return -1; @@ -538,15 +567,17 @@ static int mt_event(struct hid_device *hid, struct hid_field *field, if (value) td->num_expected = value; break; + case HID_DG_TOUCH: + /* do nothing */ + break; default: /* fallback to the generic hidinput handling */ return 0; } - if (usage->hid == td->last_slot_field) { + if (usage->hid == td->last_slot_field) mt_complete_slot(td); - } if (field->index == td->last_field_index && td->num_received >= td->num_expected) @@ -578,16 +609,44 @@ static void mt_set_input_mode(struct hid_device *hdev) } } +static void mt_set_maxcontacts(struct hid_device *hdev) +{ + struct mt_device *td = hid_get_drvdata(hdev); + struct hid_report *r; + struct hid_report_enum *re; + int fieldmax, max; + + if (td->maxcontact_report_id < 0) + return; + + if (!td->mtclass.maxcontacts) + return; + + re = &hdev->report_enum[HID_FEATURE_REPORT]; + r = re->report_id_hash[td->maxcontact_report_id]; + if (r) { + max = td->mtclass.maxcontacts; + fieldmax = r->field[0]->logical_maximum; + max = min(fieldmax, max); + if (r->field[0]->value[0] != max) { + r->field[0]->value[0] = max; + usbhid_submit_report(hdev, r, USB_DIR_OUT); + } + } +} + static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id) { int ret, i; struct mt_device *td; struct mt_class *mtclass = mt_classes; /* MT_CLS_DEFAULT */ - for (i = 0; mt_classes[i].name ; i++) { - if (id->driver_data == mt_classes[i].name) { - mtclass = &(mt_classes[i]); - break; + if (id) { + for (i = 0; mt_classes[i].name ; i++) { + if (id->driver_data == mt_classes[i].name) { + mtclass = &(mt_classes[i]); + break; + } } } @@ -595,6 +654,7 @@ static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id) * that emit events over several HID messages. */ hdev->quirks |= HID_QUIRK_NO_INPUT_SYNC; + hdev->quirks &= ~HID_QUIRK_MULTITOUCH; td = kzalloc(sizeof(struct mt_device), GFP_KERNEL); if (!td) { @@ -603,7 +663,7 @@ static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id) } td->mtclass = *mtclass; td->inputmode = -1; - td->last_mt_collection = -1; + td->maxcontact_report_id = -1; hid_set_drvdata(hdev, td); ret = hid_parse(hdev); @@ -614,6 +674,15 @@ static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id) if (ret) goto fail; + if (!id && td->touches_by_report == 1) { + /* the device has been sent by hid-generic */ + mtclass = &td->mtclass; + mtclass->quirks |= MT_QUIRK_ALWAYS_VALID; + mtclass->quirks &= ~MT_QUIRK_NOT_SEEN_MEANS_UP; + mtclass->quirks &= ~MT_QUIRK_VALID_IS_INRANGE; + mtclass->quirks &= ~MT_QUIRK_VALID_IS_CONFIDENCE; + } + td->slots = kzalloc(td->maxcontacts * sizeof(struct mt_slot), GFP_KERNEL); if (!td->slots) { @@ -625,6 +694,7 @@ static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id) ret = sysfs_create_group(&hdev->dev.kobj, &mt_attribute_group); + mt_set_maxcontacts(hdev); mt_set_input_mode(hdev); return 0; @@ -637,6 +707,7 @@ fail: #ifdef CONFIG_PM static int mt_reset_resume(struct hid_device *hdev) { + mt_set_maxcontacts(hdev); mt_set_input_mode(hdev); return 0; } @@ -674,6 +745,9 @@ static const struct hid_device_id mt_devices[] = { { .driver_data = MT_CLS_SERIAL, HID_USB_DEVICE(USB_VENDOR_ID_ATMEL, USB_DEVICE_ID_ATMEL_MULTITOUCH) }, + { .driver_data = MT_CLS_SERIAL, + HID_USB_DEVICE(USB_VENDOR_ID_ATMEL, + USB_DEVICE_ID_ATMEL_MXT_DIGITIZER) }, /* Cando panels */ { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, @@ -716,12 +790,30 @@ static const struct hid_device_id mt_devices[] = { { .driver_data = MT_CLS_EGALAX, HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_720C) }, + { .driver_data = MT_CLS_EGALAX_SERIAL, + HID_USB_DEVICE(USB_VENDOR_ID_DWAV, + USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7207) }, + { .driver_data = MT_CLS_EGALAX_SERIAL, + HID_USB_DEVICE(USB_VENDOR_ID_DWAV, + USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_725E) }, + { .driver_data = MT_CLS_EGALAX_SERIAL, + HID_USB_DEVICE(USB_VENDOR_ID_DWAV, + USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224) }, + { .driver_data = MT_CLS_EGALAX_SERIAL, + HID_USB_DEVICE(USB_VENDOR_ID_DWAV, + USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_722A) }, { .driver_data = MT_CLS_EGALAX, HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_726B) }, + { .driver_data = MT_CLS_EGALAX_SERIAL, + HID_USB_DEVICE(USB_VENDOR_ID_DWAV, + USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7262) }, { .driver_data = MT_CLS_EGALAX, HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72A1) }, + { .driver_data = MT_CLS_EGALAX_SERIAL, + HID_USB_DEVICE(USB_VENDOR_ID_DWAV, + USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72AA) }, { .driver_data = MT_CLS_EGALAX, HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72FA) }, @@ -730,6 +822,9 @@ static const struct hid_device_id mt_devices[] = { USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7302) }, { .driver_data = MT_CLS_EGALAX_SERIAL, HID_USB_DEVICE(USB_VENDOR_ID_DWAV, + USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7349) }, + { .driver_data = MT_CLS_EGALAX_SERIAL, + HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) }, /* Elo TouchSystems IntelliTouch Plus panel */ @@ -761,6 +856,9 @@ static const struct hid_device_id mt_devices[] = { { .driver_data = MT_CLS_SERIAL, HID_USB_DEVICE(USB_VENDOR_ID_IDEACOM, USB_DEVICE_ID_IDEACOM_IDC6650) }, + { .driver_data = MT_CLS_SERIAL, + HID_USB_DEVICE(USB_VENDOR_ID_IDEACOM, + USB_DEVICE_ID_IDEACOM_IDC6651) }, /* Ilitek dual touch panel */ { .driver_data = MT_CLS_DEFAULT, @@ -796,6 +894,14 @@ static const struct hid_device_id mt_devices[] = { HID_USB_DEVICE(USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART) }, + /* Panasonic panels */ + { .driver_data = MT_CLS_PANASONIC, + HID_USB_DEVICE(USB_VENDOR_ID_PANASONIC, + USB_DEVICE_ID_PANABOARD_UBT780) }, + { .driver_data = MT_CLS_PANASONIC, + HID_USB_DEVICE(USB_VENDOR_ID_PANASONIC, + USB_DEVICE_ID_PANABOARD_UBT880) }, + /* PenMount panels */ { .driver_data = MT_CLS_CONFIDENCE, HID_USB_DEVICE(USB_VENDOR_ID_PENMOUNT, @@ -842,6 +948,11 @@ static const struct hid_device_id mt_devices[] = { HID_USB_DEVICE(USB_VENDOR_ID_STANTUM_SITRONIX, USB_DEVICE_ID_MTP_SITRONIX)}, + /* TopSeed panels */ + { .driver_data = MT_CLS_TOPSEED, + HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, + USB_DEVICE_ID_TOPSEED2_PERIPAD_701) }, + /* Touch International panels */ { .driver_data = MT_CLS_DEFAULT, HID_USB_DEVICE(USB_VENDOR_ID_TOUCH_INTL,