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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,260 @@ | ||
| /* | ||
| * HID driver for OUYA Game Controller(s) | ||
| * | ||
| * Copyright (c) 2013 OUYA | ||
| */ | ||
|
|
||
| #include <linux/device.h> | ||
| #include <linux/input.h> | ||
| #include <linux/hid.h> | ||
| #include <linux/module.h> | ||
|
|
||
| #include "hid-ids.h" | ||
|
|
||
| #define OUYA_TOUCHPAD_FIXUP (1 << 0) | ||
|
|
||
| struct ouya_sc { | ||
| unsigned long quirks; | ||
| }; | ||
|
|
||
| /* Fixed report descriptor */ | ||
| static __u8 ouya_rdesc_fixed[] = { | ||
|
|
||
| 0x05, 0x01, /* Usage Page (Desktop), */ | ||
| 0x09, 0x05, /* Usage (Game Pad), */ | ||
|
|
||
| 0xA1, 0x01, /* Collection (Application), */ | ||
| 0x85, 0x07, /* Report ID (7), */ | ||
|
|
||
| 0xA1, 0x00, /* Collection (Physical), */ | ||
| 0x09, 0x30, /* Usage (X), */ | ||
| 0x09, 0x31, /* Usage (Y), */ | ||
| 0x15, 0x00, /* Logical Minimum (0), */ | ||
| 0x26, 0xFF, 0x00, /* Logical Maximum (255), */ | ||
| 0x35, 0x00, /* Physical Minimum (0), */ | ||
| 0x46, 0xFF, 0x00, /* Physical Maximum (255), */ | ||
| 0x95, 0x02, /* Report Count (2), */ | ||
| 0x75, 0x08, /* Report Size (8), */ | ||
| 0x81, 0x02, /* Input (Variable), */ | ||
| 0xC0, /* End Collection, */ | ||
|
|
||
| 0xA1, 0x00, /* Collection (Physical), */ | ||
| 0x09, 0x33, /* Usage (Rx), */ | ||
| 0x09, 0x34, /* Usage (Ry), */ | ||
| 0x15, 0x00, /* Logical Minimum (0), */ | ||
| 0x26, 0xFF, 0x00, /* Logical Maximum (255), */ | ||
| 0x35, 0x00, /* Physical Minimum (0), */ | ||
| 0x46, 0xFF, 0x00, /* Physical Maximum (255), */ | ||
| 0x95, 0x02, /* Report Count (2), */ | ||
| 0x75, 0x08, /* Report Size (8), */ | ||
| 0x81, 0x02, /* Input (Variable), */ | ||
| 0xC0, /* End Collection, */ | ||
|
|
||
| 0xA1, 0x00, /* Collection (Physical), */ | ||
| 0x09, 0x32, /* Usage (Z), */ | ||
| 0x15, 0x00, /* Logical Minimum (0), */ | ||
| 0x26, 0xFF, 0x00, /* Logical Maximum (255), */ | ||
| 0x35, 0x00, /* Physical Minimum (0), */ | ||
| 0x46, 0xFF, 0x00, /* Physical Maximum (255), */ | ||
| 0x95, 0x01, /* Report Count (1), */ | ||
| 0x75, 0x08, /* Report Size (8), */ | ||
| 0x81, 0x02, /* Input (Variable), */ | ||
| 0xC0, /* End Collection, */ | ||
|
|
||
| 0xA1, 0x00, /* Collection (Physical), */ | ||
| 0x09, 0x35, /* Usage (Rz), */ | ||
| 0x15, 0x00, /* Logical Minimum (0), */ | ||
| 0x26, 0xFF, 0x00, /* Logical Maximum (255), */ | ||
| 0x35, 0x00, /* Physical Minimum (0), */ | ||
| 0x46, 0xFF, 0x00, /* Physical Maximum (255), */ | ||
| 0x95, 0x01, /* Report Count (1), */ | ||
| 0x75, 0x08, /* Report Size (8), */ | ||
| 0x81, 0x02, /* Input (Variable), */ | ||
| 0xC0, /* End Collection, */ | ||
|
|
||
| 0x05, 0x09, /* Usage Page (Button), */ | ||
| 0x19, 0x01, /* Usage Minimum (01h), */ | ||
| 0x29, 0x10, /* Usage Maximum (10h), */ | ||
| 0x95, 0x10, /* Report Count (16), */ | ||
| 0x75, 0x01, /* Report Size (1), */ | ||
| 0x81, 0x02, /* Input (Variable), */ | ||
|
|
||
| /* ORIGINAL REPORT DESCRIPTOR FOR TOUCHPAD INPUT */ | ||
| /* 06 00 ff a1 02 09 02 15 00 26 ff 00 35 00 46 ff 00 95 03 75 08 81 02 c0 */ | ||
|
|
||
| 0x06, 0x00, 0xFF, /* Usage Page (Custom), */ | ||
| 0x09, 0x02, /* Usage (Mouse), */ | ||
| 0x09, 0x01, /* Usage (Pointer), */ | ||
| 0xA1, 0x00, /* Collection (Physical), */ | ||
| 0x05, 0x09, /* Usage Page (Button), */ | ||
| 0x19, 0x01, /* Usage Minimum (01h), */ | ||
| 0x29, 0x03, /* Usage Maximum (03h), */ | ||
| 0x15, 0x00, /* Logical Minimum (0), */ | ||
| 0x25, 0x01, /* Logical Maximum (1), */ | ||
| 0x95, 0x03, /* Report Count (3), */ | ||
| 0x75, 0x01, /* Report Size (1), */ | ||
| 0x81, 0x02, /* Input (Variable), */ | ||
| 0x95, 0x01, /* Report Count (1), */ | ||
| 0x75, 0x05, /* Report Size (5), */ | ||
| 0x81, 0x01, /* Input (Constant), */ | ||
| 0x05, 0x01, /* Usage Page (Desktop), */ | ||
| 0x09, 0x30, /* Usage (X), */ | ||
| 0x09, 0x31, /* Usage (Y), */ | ||
| 0x15, 0x81, /* Logical Minimum (-127), */ | ||
| 0x25, 0x7f, /* Logical Maximum (127), */ | ||
| 0x95, 0x02, /* Report Count (2), */ | ||
| 0x75, 0x08, /* Report Size (8), */ | ||
| 0x81, 0x06, /* Input (Relative), */ | ||
| 0xC0, /* End Collection, */ | ||
|
|
||
| 0x06, 0x00, 0xFF, /* Usage Page (Custom), */ | ||
| 0xA1, 0x02, /* Collection (Logical), */ | ||
| 0x75, 0x08, /* Report Size (8), */ | ||
| 0x95, 0x07, /* Report Count (7), */ | ||
| 0x46, 0xFF, 0x00, /* Physical Maximum (255), */ | ||
| 0x26, 0xFF, 0x00, /* Logical Maximum (255), */ | ||
| 0x09, 0x01, /* Usage (Pointer), */ | ||
| 0x91, 0x02, /* Output (Variable), */ | ||
| 0xC0, /* End Collection, */ | ||
|
|
||
| 0xC0, /* End Collection */ | ||
|
|
||
|
|
||
| 0x06, 0x00, 0xFF, /* Usage Page (Custom), */ | ||
| 0x05, 0x0C, /* Usage Page (Consumer), */ | ||
| 0x09, 0x01, /* Usage (Consumer Control), */ | ||
|
|
||
| 0xA1, 0x01, /* Collection (Application), */ | ||
| 0x85, 0x03, /* Report ID (3), */ | ||
| 0x05, 0x01, /* Usage Page (Desktop), */ | ||
| 0x09, 0x06, /* Usage (Keyboard), */ | ||
| 0xA1, 0x02, /* Collection (Logical), */ | ||
| 0x05, 0x06, /* Usage Page (Generic), */ | ||
| 0x09, 0x20, /* Usage (Battery Strgth), */ | ||
| 0x15, 0x00, /* Logical Minimum (0), */ | ||
| 0x26, 0xFF, 0x00, /* Logical Maximum (255), */ | ||
| 0x75, 0x08, /* Report Size (8), */ | ||
| 0x95, 0x01, /* Report Count (1), */ | ||
| 0x81, 0x02, /* Input (Variable), */ | ||
| 0x06, 0xBC, 0xFF, /* Usage Page (Custom), */ | ||
|
|
||
| 0x0A, 0xAD, 0xBD, /* UNKNOWN */ | ||
|
|
||
| 0x75, 0x08, /* Report Size (8), */ | ||
| 0x95, 0x06, /* Report Count (6), */ | ||
| 0x81, 0x02, /* Input (Variable), */ | ||
| 0xC0, /* End Collection, */ | ||
|
|
||
| 0xC0, /* End Collection */ | ||
|
|
||
| 0x00 | ||
| }; | ||
|
|
||
| static __u8 *ouya_report_fixup(struct hid_device *hdev, __u8 *rdesc, | ||
| unsigned int *rsize) | ||
| { | ||
| struct ouya_sc *sc = hid_get_drvdata(hdev); | ||
|
|
||
| if (sc->quirks & OUYA_TOUCHPAD_FIXUP) { | ||
| rdesc = ouya_rdesc_fixed; | ||
| *rsize = sizeof(ouya_rdesc_fixed); | ||
| } | ||
| return rdesc; | ||
| } | ||
|
|
||
| static int ouya_input_mapping(struct hid_device *hdev, struct hid_input *hi, | ||
| struct hid_field *field, struct hid_usage *usage, | ||
| unsigned long **bit, int *max) | ||
| { | ||
| struct ouya_sc *sc = hid_get_drvdata(hdev); | ||
|
|
||
| if (!(sc->quirks & OUYA_TOUCHPAD_FIXUP)) { | ||
| return 0; | ||
| } | ||
|
|
||
| if ((usage->hid & 0x90000) == 0x90000 && | ||
| (field->physical & 0xff000000) == 0xff000000 && | ||
| usage->collection_index == 5 && | ||
| field->report_count == 3) { | ||
|
|
||
| hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_MOUSE + (usage->hid - 0x90001)); | ||
|
|
||
| return 1; | ||
| } | ||
|
|
||
| return 0; | ||
| } | ||
|
|
||
| static int ouya_probe(struct hid_device *hdev, const struct hid_device_id *id) | ||
| { | ||
| int ret; | ||
| struct ouya_sc *sc; | ||
|
|
||
| sc = kzalloc(sizeof(*sc), GFP_KERNEL); | ||
| if (sc == NULL) { | ||
| hid_err(hdev, "can't alloc ouya descriptor\n"); | ||
| return -ENOMEM; | ||
| } | ||
|
|
||
| if(((hdev->version & 0xff00) == 0x0100 && (hdev->version & 0xff) >= 0x04) || | ||
| ((hdev->version & 0xff00) == 0xe100 && (hdev->version & 0xff) >= 0x3a)) { | ||
| hid_info(hdev, "ouya controller - new version\n"); | ||
| sc->quirks = OUYA_TOUCHPAD_FIXUP; | ||
| } else { | ||
| sc->quirks = 0; | ||
| } | ||
| hid_set_drvdata(hdev, sc); | ||
|
|
||
| ret = hid_parse(hdev); | ||
| if (ret) { | ||
| hid_err(hdev, "parse failed\n"); | ||
| goto err_free; | ||
| } | ||
|
|
||
| ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT | | ||
| HID_CONNECT_HIDDEV_FORCE); | ||
| if (ret) { | ||
| hid_err(hdev, "hw start failed\n"); | ||
| goto err_free; | ||
| } | ||
|
|
||
| return 0; | ||
|
|
||
| err_free: | ||
| kfree(sc); | ||
| return ret; | ||
| } | ||
|
|
||
| static void ouya_remove(struct hid_device *hdev) | ||
| { | ||
| hid_hw_stop(hdev); | ||
| kfree(hid_get_drvdata(hdev)); | ||
| } | ||
|
|
||
| static const struct hid_device_id ouya_devices[] = { | ||
| { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_OUYA, USB_DEVICE_ID_OUYA_CONTROLLER) }, | ||
| { } | ||
| }; | ||
| MODULE_DEVICE_TABLE(hid, ouya_devices); | ||
|
|
||
| static struct hid_driver ouya_driver = { | ||
| .name = "ouya", | ||
| .id_table = ouya_devices, | ||
| .probe = ouya_probe, | ||
| .remove = ouya_remove, | ||
| .input_mapping = ouya_input_mapping, | ||
| .report_fixup = ouya_report_fixup | ||
| }; | ||
|
|
||
| static int __init ouya_init(void) | ||
| { | ||
| return hid_register_driver(&ouya_driver); | ||
| } | ||
|
|
||
| static void __exit ouya_exit(void) | ||
| { | ||
| hid_unregister_driver(&ouya_driver); | ||
| } | ||
|
|
||
| module_init(ouya_init); | ||
| module_exit(ouya_exit); |