diff options
Diffstat (limited to 'drivers/hid')
| -rw-r--r-- | drivers/hid/hid-sony.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/drivers/hid/hid-sony.c b/drivers/hid/hid-sony.c index 995b5cf1afc9..d8889d681687 100644 --- a/drivers/hid/hid-sony.c +++ b/drivers/hid/hid-sony.c @@ -977,6 +977,32 @@ static const unsigned int buzz_keymap[] = { [20] = BTN_TRIGGER_HAPPY20, }; +static const unsigned int ds4_absmap[] = { + [0x30] = ABS_X, + [0x31] = ABS_Y, + [0x32] = ABS_RX, /* right stick X */ + [0x33] = ABS_Z, /* L2 */ + [0x34] = ABS_RZ, /* R2 */ + [0x35] = ABS_RY, /* right stick Y */ +}; + +static const unsigned int ds4_keymap[] = { + [0x1] = BTN_WEST, /* Square */ + [0x2] = BTN_SOUTH, /* Cross */ + [0x3] = BTN_EAST, /* Circle */ + [0x4] = BTN_NORTH, /* Triangle */ + [0x5] = BTN_TL, /* L1 */ + [0x6] = BTN_TR, /* R1 */ + [0x7] = BTN_TL2, /* L2 */ + [0x8] = BTN_TR2, /* R2 */ + [0x9] = BTN_SELECT, /* Share */ + [0xa] = BTN_START, /* Options */ + [0xb] = BTN_THUMBL, /* L3 */ + [0xc] = BTN_THUMBR, /* R3 */ + [0xd] = BTN_MODE, /* PS */ +}; + + static enum power_supply_property sony_battery_props[] = { POWER_SUPPLY_PROP_PRESENT, POWER_SUPPLY_PROP_CAPACITY, @@ -1143,6 +1169,37 @@ static int ps3remote_mapping(struct hid_device *hdev, struct hid_input *hi, return 1; } +static int ds4_mapping(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) { + unsigned int key = usage->hid & HID_USAGE; + + if (key >= ARRAY_SIZE(ds4_keymap)) + return -1; + + key = ds4_keymap[key]; + hid_map_usage_clear(hi, usage, bit, max, EV_KEY, key); + return 1; + } else if ((usage->hid & HID_USAGE_PAGE) == HID_UP_GENDESK) { + unsigned int abs = usage->hid & HID_USAGE; + + /* Let the HID parser deal with the HAT. */ + if (usage->hid == HID_GD_HATSWITCH) + return 0; + + if (abs >= ARRAY_SIZE(ds4_absmap)) + return -1; + + abs = ds4_absmap[abs]; + hid_map_usage_clear(hi, usage, bit, max, EV_ABS, abs); + return 1; + } + + return 0; +} + static u8 *sony_report_fixup(struct hid_device *hdev, u8 *rdesc, unsigned int *rsize) { @@ -1416,6 +1473,10 @@ static int sony_mapping(struct hid_device *hdev, struct hid_input *hi, if (sc->quirks & PS3REMOTE) return ps3remote_mapping(hdev, hi, field, usage, bit, max); + + if (sc->quirks & DUALSHOCK4_CONTROLLER) + return ds4_mapping(hdev, hi, field, usage, bit, max); + /* Let hid-core decide for the others */ return 0; } @@ -2578,6 +2639,15 @@ static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id) else if (sc->quirks & SIXAXIS_CONTROLLER) connect_mask |= HID_CONNECT_HIDDEV_FORCE; + /* Patch the hw version on DS4 compatible devices, so applications can + * distinguish between the default HID mappings and the mappings defined + * by the Linux game controller spec. This is important for the SDL2 + * library, which has a game controller database, which uses device ids + * in combination with version as a key. + */ + if (sc->quirks & DUALSHOCK4_CONTROLLER) + hdev->version |= 0x8000; + ret = hid_hw_start(hdev, connect_mask); if (ret) { hid_err(hdev, "hw start failed\n"); |