Kenan Esau | 02d7f58 | 2005-05-29 02:30:22 -0500 | [diff] [blame] | 1 | /* |
| 2 | * Fujitsu B-series Lifebook PS/2 TouchScreen driver |
| 3 | * |
| 4 | * Copyright (c) 2005 Vojtech Pavlik <vojtech@suse.cz> |
| 5 | * Copyright (c) 2005 Kenan Esau <kenan.esau@conan.de> |
| 6 | * |
| 7 | * TouchScreen detection, absolute mode setting and packet layout is taken from |
| 8 | * Harald Hoyer's description of the device. |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify it |
| 11 | * under the terms of the GNU General Public License version 2 as published by |
| 12 | * the Free Software Foundation. |
| 13 | */ |
| 14 | |
| 15 | #include <linux/input.h> |
| 16 | #include <linux/serio.h> |
| 17 | #include <linux/libps2.h> |
| 18 | #include <linux/dmi.h> |
| 19 | |
| 20 | #include "psmouse.h" |
| 21 | #include "lifebook.h" |
| 22 | |
Dmitry Torokhov | e7afcd1 | 2007-04-12 01:36:25 -0400 | [diff] [blame^] | 23 | static const char *desired_serio_phys; |
| 24 | |
| 25 | static int lifebook_set_serio_phys(struct dmi_system_id *d) |
| 26 | { |
| 27 | desired_serio_phys = d->driver_data; |
| 28 | return 0; |
| 29 | } |
| 30 | |
Kenan Esau | 02d7f58 | 2005-05-29 02:30:22 -0500 | [diff] [blame] | 31 | static struct dmi_system_id lifebook_dmi_table[] = { |
Andrew Morton | b1b2965 | 2006-11-02 23:27:44 -0500 | [diff] [blame] | 32 | { |
| 33 | .ident = "FLORA-ie 55mi", |
| 34 | .matches = { |
| 35 | DMI_MATCH(DMI_PRODUCT_NAME, "FLORA-ie 55mi"), |
| 36 | }, |
| 37 | }, |
| 38 | { |
| 39 | .ident = "LifeBook B", |
| 40 | .matches = { |
| 41 | DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook B Series"), |
| 42 | }, |
| 43 | }, |
| 44 | { |
| 45 | .ident = "Lifebook B", |
| 46 | .matches = { |
| 47 | DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK B Series"), |
| 48 | }, |
| 49 | }, |
| 50 | { |
| 51 | .ident = "Lifebook B213x/B2150", |
| 52 | .matches = { |
| 53 | DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook B2131/B2133/B2150"), |
| 54 | }, |
| 55 | }, |
| 56 | { |
| 57 | .ident = "Zephyr", |
| 58 | .matches = { |
| 59 | DMI_MATCH(DMI_PRODUCT_NAME, "ZEPHYR"), |
| 60 | }, |
| 61 | }, |
| 62 | { |
| 63 | .ident = "CF-18", |
| 64 | .matches = { |
| 65 | DMI_MATCH(DMI_PRODUCT_NAME, "CF-18"), |
| 66 | }, |
Dmitry Torokhov | e7afcd1 | 2007-04-12 01:36:25 -0400 | [diff] [blame^] | 67 | .callback = lifebook_set_serio_phys, |
| 68 | .driver_data = "isa0060/serio3", |
Andrew Morton | b1b2965 | 2006-11-02 23:27:44 -0500 | [diff] [blame] | 69 | }, |
| 70 | { |
| 71 | .ident = "Lifebook B142", |
| 72 | .matches = { |
| 73 | DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook B142"), |
| 74 | }, |
| 75 | }, |
| 76 | { } |
Kenan Esau | 02d7f58 | 2005-05-29 02:30:22 -0500 | [diff] [blame] | 77 | }; |
| 78 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 79 | static psmouse_ret_t lifebook_process_byte(struct psmouse *psmouse) |
Kenan Esau | 02d7f58 | 2005-05-29 02:30:22 -0500 | [diff] [blame] | 80 | { |
| 81 | unsigned char *packet = psmouse->packet; |
Dmitry Torokhov | 2e5b636 | 2005-09-15 02:01:44 -0500 | [diff] [blame] | 82 | struct input_dev *dev = psmouse->dev; |
Kenan Esau | 02d7f58 | 2005-05-29 02:30:22 -0500 | [diff] [blame] | 83 | |
Dmitry Torokhov | 14e9414 | 2005-05-29 02:30:28 -0500 | [diff] [blame] | 84 | if (psmouse->pktcnt != 3) |
Kenan Esau | 02d7f58 | 2005-05-29 02:30:22 -0500 | [diff] [blame] | 85 | return PSMOUSE_GOOD_DATA; |
| 86 | |
Kenan Esau | 02d7f58 | 2005-05-29 02:30:22 -0500 | [diff] [blame] | 87 | /* calculate X and Y */ |
| 88 | if ((packet[0] & 0x08) == 0x00) { |
| 89 | input_report_abs(dev, ABS_X, |
| 90 | (packet[1] | ((packet[0] & 0x30) << 4))); |
| 91 | input_report_abs(dev, ABS_Y, |
Dmitry Torokhov | 14e9414 | 2005-05-29 02:30:28 -0500 | [diff] [blame] | 92 | 1024 - (packet[2] | ((packet[0] & 0xC0) << 2))); |
Kenan Esau | 02d7f58 | 2005-05-29 02:30:22 -0500 | [diff] [blame] | 93 | } else { |
Dmitry Torokhov | 14e9414 | 2005-05-29 02:30:28 -0500 | [diff] [blame] | 94 | input_report_rel(dev, REL_X, |
| 95 | ((packet[0] & 0x10) ? packet[1] - 256 : packet[1])); |
| 96 | input_report_rel(dev, REL_Y, |
| 97 | -(int)((packet[0] & 0x20) ? packet[2] - 256 : packet[2])); |
Kenan Esau | 02d7f58 | 2005-05-29 02:30:22 -0500 | [diff] [blame] | 98 | } |
| 99 | |
| 100 | input_report_key(dev, BTN_LEFT, packet[0] & 0x01); |
| 101 | input_report_key(dev, BTN_RIGHT, packet[0] & 0x02); |
| 102 | input_report_key(dev, BTN_TOUCH, packet[0] & 0x04); |
| 103 | |
| 104 | input_sync(dev); |
| 105 | |
| 106 | return PSMOUSE_FULL_PACKET; |
| 107 | } |
| 108 | |
Dmitry Torokhov | a15d60f | 2005-05-29 02:30:32 -0500 | [diff] [blame] | 109 | static int lifebook_absolute_mode(struct psmouse *psmouse) |
Kenan Esau | 02d7f58 | 2005-05-29 02:30:22 -0500 | [diff] [blame] | 110 | { |
| 111 | struct ps2dev *ps2dev = &psmouse->ps2dev; |
| 112 | unsigned char param; |
| 113 | |
Dmitry Torokhov | 14e9414 | 2005-05-29 02:30:28 -0500 | [diff] [blame] | 114 | if (psmouse_reset(psmouse)) |
Kenan Esau | 02d7f58 | 2005-05-29 02:30:22 -0500 | [diff] [blame] | 115 | return -1; |
| 116 | |
Dmitry Torokhov | 14e9414 | 2005-05-29 02:30:28 -0500 | [diff] [blame] | 117 | /* |
Kenan Esau | 02d7f58 | 2005-05-29 02:30:22 -0500 | [diff] [blame] | 118 | Enable absolute output -- ps2_command fails always but if |
| 119 | you leave this call out the touchsreen will never send |
| 120 | absolute coordinates |
Dmitry Torokhov | 14e9414 | 2005-05-29 02:30:28 -0500 | [diff] [blame] | 121 | */ |
Kenan Esau | 02d7f58 | 2005-05-29 02:30:22 -0500 | [diff] [blame] | 122 | param = 0x07; |
| 123 | ps2_command(ps2dev, ¶m, PSMOUSE_CMD_SETRES); |
| 124 | |
Kenan Esau | 02d7f58 | 2005-05-29 02:30:22 -0500 | [diff] [blame] | 125 | return 0; |
| 126 | } |
| 127 | |
Dmitry Torokhov | a913829 | 2005-05-29 02:30:37 -0500 | [diff] [blame] | 128 | static void lifebook_set_resolution(struct psmouse *psmouse, unsigned int resolution) |
| 129 | { |
Helge Deller | e38de67 | 2006-09-10 21:54:39 -0400 | [diff] [blame] | 130 | static const unsigned char params[] = { 0, 1, 2, 2, 3 }; |
| 131 | unsigned char p; |
Dmitry Torokhov | a913829 | 2005-05-29 02:30:37 -0500 | [diff] [blame] | 132 | |
| 133 | if (resolution == 0 || resolution > 400) |
| 134 | resolution = 400; |
| 135 | |
Helge Deller | e38de67 | 2006-09-10 21:54:39 -0400 | [diff] [blame] | 136 | p = params[resolution / 100]; |
| 137 | ps2_command(&psmouse->ps2dev, &p, PSMOUSE_CMD_SETRES); |
| 138 | psmouse->resolution = 50 << p; |
Dmitry Torokhov | a913829 | 2005-05-29 02:30:37 -0500 | [diff] [blame] | 139 | } |
| 140 | |
Kenan Esau | 02d7f58 | 2005-05-29 02:30:22 -0500 | [diff] [blame] | 141 | static void lifebook_disconnect(struct psmouse *psmouse) |
| 142 | { |
| 143 | psmouse_reset(psmouse); |
| 144 | } |
| 145 | |
Dmitry Torokhov | a15d60f | 2005-05-29 02:30:32 -0500 | [diff] [blame] | 146 | int lifebook_detect(struct psmouse *psmouse, int set_properties) |
Kenan Esau | 02d7f58 | 2005-05-29 02:30:22 -0500 | [diff] [blame] | 147 | { |
Dmitry Torokhov | a15d60f | 2005-05-29 02:30:32 -0500 | [diff] [blame] | 148 | if (!dmi_check_system(lifebook_dmi_table)) |
Kenan Esau | 02d7f58 | 2005-05-29 02:30:22 -0500 | [diff] [blame] | 149 | return -1; |
| 150 | |
Dmitry Torokhov | e7afcd1 | 2007-04-12 01:36:25 -0400 | [diff] [blame^] | 151 | if (desired_serio_phys && |
| 152 | strcmp(psmouse->ps2dev.serio->phys, desired_serio_phys)) |
| 153 | return -1; |
| 154 | |
Kenan Esau | 02d7f58 | 2005-05-29 02:30:22 -0500 | [diff] [blame] | 155 | if (set_properties) { |
Dmitry Torokhov | a15d60f | 2005-05-29 02:30:32 -0500 | [diff] [blame] | 156 | psmouse->vendor = "Fujitsu"; |
| 157 | psmouse->name = "Lifebook TouchScreen"; |
Kenan Esau | 02d7f58 | 2005-05-29 02:30:22 -0500 | [diff] [blame] | 158 | } |
| 159 | |
Dmitry Torokhov | a15d60f | 2005-05-29 02:30:32 -0500 | [diff] [blame] | 160 | return 0; |
Kenan Esau | 02d7f58 | 2005-05-29 02:30:22 -0500 | [diff] [blame] | 161 | } |
Dmitry Torokhov | a15d60f | 2005-05-29 02:30:32 -0500 | [diff] [blame] | 162 | |
| 163 | int lifebook_init(struct psmouse *psmouse) |
| 164 | { |
Dmitry Torokhov | 2e5b636 | 2005-09-15 02:01:44 -0500 | [diff] [blame] | 165 | struct input_dev *input_dev = psmouse->dev; |
| 166 | |
Dmitry Torokhov | a15d60f | 2005-05-29 02:30:32 -0500 | [diff] [blame] | 167 | if (lifebook_absolute_mode(psmouse)) |
| 168 | return -1; |
| 169 | |
Dmitry Torokhov | 2e5b636 | 2005-09-15 02:01:44 -0500 | [diff] [blame] | 170 | input_dev->evbit[0] = BIT(EV_ABS) | BIT(EV_KEY) | BIT(EV_REL); |
| 171 | input_dev->keybit[LONG(BTN_LEFT)] = BIT(BTN_LEFT) | BIT(BTN_MIDDLE) | BIT(BTN_RIGHT); |
| 172 | input_dev->keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH); |
| 173 | input_dev->relbit[0] = BIT(REL_X) | BIT(REL_Y); |
| 174 | input_set_abs_params(input_dev, ABS_X, 0, 1024, 0, 0); |
| 175 | input_set_abs_params(input_dev, ABS_Y, 0, 1024, 0, 0); |
Dmitry Torokhov | a15d60f | 2005-05-29 02:30:32 -0500 | [diff] [blame] | 176 | |
| 177 | psmouse->protocol_handler = lifebook_process_byte; |
Dmitry Torokhov | a913829 | 2005-05-29 02:30:37 -0500 | [diff] [blame] | 178 | psmouse->set_resolution = lifebook_set_resolution; |
Dmitry Torokhov | a15d60f | 2005-05-29 02:30:32 -0500 | [diff] [blame] | 179 | psmouse->disconnect = lifebook_disconnect; |
| 180 | psmouse->reconnect = lifebook_absolute_mode; |
| 181 | psmouse->pktsize = 3; |
| 182 | |
| 183 | return 0; |
| 184 | } |
| 185 | |