| Hans de Goede | 3ace368 | 2014-09-12 17:24:47 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Focaltech TouchPad PS/2 mouse driver |
| 3 | * |
| 4 | * Copyright (c) 2014 Red Hat Inc. |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * Red Hat authors: |
| 12 | * |
| 13 | * Hans de Goede <hdegoede@redhat.com> |
| 14 | */ |
| 15 | |
| 16 | /* |
| 17 | * The Focaltech PS/2 touchpad protocol is unknown. This drivers deals with |
| 18 | * detection only, to avoid further detection attempts confusing the touchpad |
| 19 | * this way it at least works in PS/2 mouse compatibility mode. |
| 20 | */ |
| 21 | |
| 22 | #include <linux/device.h> |
| 23 | #include <linux/libps2.h> |
| 24 | #include "psmouse.h" |
| 25 | |
| 26 | static const char * const focaltech_pnp_ids[] = { |
| 27 | "FLT0101", |
| 28 | "FLT0102", |
| 29 | "FLT0103", |
| 30 | NULL |
| 31 | }; |
| 32 | |
| 33 | int focaltech_detect(struct psmouse *psmouse, bool set_properties) |
| 34 | { |
| 35 | if (!psmouse_matches_pnp_id(psmouse, focaltech_pnp_ids)) |
| 36 | return -ENODEV; |
| 37 | |
| 38 | if (set_properties) { |
| 39 | psmouse->vendor = "FocalTech"; |
| 40 | psmouse->name = "FocalTech Touchpad in mouse emulation mode"; |
| 41 | } |
| 42 | |
| 43 | return 0; |
| 44 | } |
| 45 | |
| 46 | int focaltech_init(struct psmouse *psmouse) |
| 47 | { |
| 48 | ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_RESET_DIS); |
| 49 | psmouse_reset(psmouse); |
| 50 | |
| 51 | return 0; |
| 52 | } |