Commit | Line | Data |
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02d7f589 KE |
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 | ||
e7afcd1b DT |
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 | ||
02d7f589 | 31 | static struct dmi_system_id lifebook_dmi_table[] = { |
b1b29650 AM |
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 | }, | |
e7afcd1b DT |
67 | .callback = lifebook_set_serio_phys, |
68 | .driver_data = "isa0060/serio3", | |
b1b29650 AM |
69 | }, |
70 | { | |
71 | .ident = "Lifebook B142", | |
72 | .matches = { | |
73 | DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook B142"), | |
74 | }, | |
75 | }, | |
76 | { } | |
02d7f589 KE |
77 | }; |
78 | ||
7d12e780 | 79 | static psmouse_ret_t lifebook_process_byte(struct psmouse *psmouse) |
02d7f589 KE |
80 | { |
81 | unsigned char *packet = psmouse->packet; | |
2e5b636b | 82 | struct input_dev *dev = psmouse->dev; |
02d7f589 | 83 | |
14e94143 | 84 | if (psmouse->pktcnt != 3) |
02d7f589 KE |
85 | return PSMOUSE_GOOD_DATA; |
86 | ||
02d7f589 KE |
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, | |
14e94143 | 92 | 1024 - (packet[2] | ((packet[0] & 0xC0) << 2))); |
02d7f589 | 93 | } else { |
14e94143 DT |
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])); | |
02d7f589 KE |
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 | ||
a15d60f8 | 109 | static int lifebook_absolute_mode(struct psmouse *psmouse) |
02d7f589 KE |
110 | { |
111 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
112 | unsigned char param; | |
113 | ||
14e94143 | 114 | if (psmouse_reset(psmouse)) |
02d7f589 KE |
115 | return -1; |
116 | ||
14e94143 | 117 | /* |
02d7f589 KE |
118 | Enable absolute output -- ps2_command fails always but if |
119 | you leave this call out the touchsreen will never send | |
120 | absolute coordinates | |
14e94143 | 121 | */ |
02d7f589 KE |
122 | param = 0x07; |
123 | ps2_command(ps2dev, ¶m, PSMOUSE_CMD_SETRES); | |
124 | ||
02d7f589 KE |
125 | return 0; |
126 | } | |
127 | ||
a913829e DT |
128 | static void lifebook_set_resolution(struct psmouse *psmouse, unsigned int resolution) |
129 | { | |
e38de678 HD |
130 | static const unsigned char params[] = { 0, 1, 2, 2, 3 }; |
131 | unsigned char p; | |
a913829e DT |
132 | |
133 | if (resolution == 0 || resolution > 400) | |
134 | resolution = 400; | |
135 | ||
e38de678 HD |
136 | p = params[resolution / 100]; |
137 | ps2_command(&psmouse->ps2dev, &p, PSMOUSE_CMD_SETRES); | |
138 | psmouse->resolution = 50 << p; | |
a913829e DT |
139 | } |
140 | ||
02d7f589 KE |
141 | static void lifebook_disconnect(struct psmouse *psmouse) |
142 | { | |
143 | psmouse_reset(psmouse); | |
144 | } | |
145 | ||
a15d60f8 | 146 | int lifebook_detect(struct psmouse *psmouse, int set_properties) |
02d7f589 | 147 | { |
a15d60f8 | 148 | if (!dmi_check_system(lifebook_dmi_table)) |
02d7f589 KE |
149 | return -1; |
150 | ||
e7afcd1b DT |
151 | if (desired_serio_phys && |
152 | strcmp(psmouse->ps2dev.serio->phys, desired_serio_phys)) | |
153 | return -1; | |
154 | ||
02d7f589 | 155 | if (set_properties) { |
a15d60f8 DT |
156 | psmouse->vendor = "Fujitsu"; |
157 | psmouse->name = "Lifebook TouchScreen"; | |
02d7f589 KE |
158 | } |
159 | ||
a15d60f8 | 160 | return 0; |
02d7f589 | 161 | } |
a15d60f8 DT |
162 | |
163 | int lifebook_init(struct psmouse *psmouse) | |
164 | { | |
2e5b636b DT |
165 | struct input_dev *input_dev = psmouse->dev; |
166 | ||
a15d60f8 DT |
167 | if (lifebook_absolute_mode(psmouse)) |
168 | return -1; | |
169 | ||
2e5b636b DT |
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); | |
a15d60f8 DT |
176 | |
177 | psmouse->protocol_handler = lifebook_process_byte; | |
a913829e | 178 | psmouse->set_resolution = lifebook_set_resolution; |
a15d60f8 DT |
179 | psmouse->disconnect = lifebook_disconnect; |
180 | psmouse->reconnect = lifebook_absolute_mode; | |
181 | psmouse->pktsize = 3; | |
182 | ||
183 | return 0; | |
184 | } | |
185 |