1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
|
/*
* Silead touchscreen driver DMI based configuration code
*
* Copyright (c) 2017 Red Hat Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Red Hat authors:
* Hans de Goede <hdegoede@redhat.com>
*/
#include <linux/acpi.h>
#include <linux/device.h>
#include <linux/dmi.h>
#include <linux/i2c.h>
#include <linux/notifier.h>
#include <linux/property.h>
#include <linux/string.h>
struct silead_ts_dmi_data {
const char *acpi_name;
const struct property_entry *properties;
};
static const struct property_entry cube_iwork8_air_props[] = {
PROPERTY_ENTRY_U32("touchscreen-size-x", 1660),
PROPERTY_ENTRY_U32("touchscreen-size-y", 900),
PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
PROPERTY_ENTRY_STRING("firmware-name", "gsl3670-cube-iwork8-air.fw"),
PROPERTY_ENTRY_U32("silead,max-fingers", 10),
{ }
};
static const struct silead_ts_dmi_data cube_iwork8_air_data = {
.acpi_name = "MSSL1680:00",
.properties = cube_iwork8_air_props,
};
static const struct property_entry jumper_ezpad_mini3_props[] = {
PROPERTY_ENTRY_U32("touchscreen-size-x", 1700),
PROPERTY_ENTRY_U32("touchscreen-size-y", 1150),
PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
PROPERTY_ENTRY_STRING("firmware-name", "gsl3676-jumper-ezpad-mini3.fw"),
PROPERTY_ENTRY_U32("silead,max-fingers", 10),
{ }
};
static const struct silead_ts_dmi_data jumper_ezpad_mini3_data = {
.acpi_name = "MSSL1680:00",
.properties = jumper_ezpad_mini3_props,
};
static const struct property_entry dexp_ursus_7w_props[] = {
PROPERTY_ENTRY_U32("touchscreen-size-x", 890),
PROPERTY_ENTRY_U32("touchscreen-size-y", 630),
PROPERTY_ENTRY_STRING("firmware-name", "gsl1686-dexp-ursus-7w.fw"),
PROPERTY_ENTRY_U32("silead,max-fingers", 10),
{ }
};
static const struct silead_ts_dmi_data dexp_ursus_7w_data = {
.acpi_name = "MSSL1680:00",
.properties = dexp_ursus_7w_props,
};
static const struct property_entry surftab_wintron70_st70416_6_props[] = {
PROPERTY_ENTRY_U32("touchscreen-size-x", 884),
PROPERTY_ENTRY_U32("touchscreen-size-y", 632),
PROPERTY_ENTRY_STRING("firmware-name",
"gsl1686-surftab-wintron70-st70416-6.fw"),
PROPERTY_ENTRY_U32("silead,max-fingers", 10),
{ }
};
static const struct silead_ts_dmi_data surftab_wintron70_st70416_6_data = {
.acpi_name = "MSSL1680:00",
.properties = surftab_wintron70_st70416_6_props,
};
static const struct property_entry gp_electronic_t701_props[] = {
PROPERTY_ENTRY_U32("touchscreen-size-x", 960),
PROPERTY_ENTRY_U32("touchscreen-size-y", 640),
PROPERTY_ENTRY_BOOL("touchscreen-inverted-x"),
PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
PROPERTY_ENTRY_STRING("firmware-name",
"gsl1680-gp-electronic-t701.fw"),
{ }
};
static const struct silead_ts_dmi_data gp_electronic_t701_data = {
.acpi_name = "MSSL1680:00",
.properties = gp_electronic_t701_props,
};
static const struct property_entry pipo_w2s_props[] = {
PROPERTY_ENTRY_U32("touchscreen-size-x", 1660),
PROPERTY_ENTRY_U32("touchscreen-size-y", 880),
PROPERTY_ENTRY_BOOL("touchscreen-inverted-x"),
PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
PROPERTY_ENTRY_STRING("firmware-name",
"gsl1680-pipo-w2s.fw"),
{ }
};
static const struct silead_ts_dmi_data pipo_w2s_data = {
.acpi_name = "MSSL1680:00",
.properties = pipo_w2s_props,
};
static const struct property_entry pov_mobii_wintab_p800w_props[] = {
PROPERTY_ENTRY_U32("touchscreen-size-x", 1800),
PROPERTY_ENTRY_U32("touchscreen-size-y", 1150),
PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
PROPERTY_ENTRY_STRING("firmware-name",
"gsl3692-pov-mobii-wintab-p800w.fw"),
{ }
};
static const struct silead_ts_dmi_data pov_mobii_wintab_p800w_data = {
.acpi_name = "MSSL1680:00",
.properties = pov_mobii_wintab_p800w_props,
};
static const struct property_entry itworks_tw891_props[] = {
PROPERTY_ENTRY_U32("touchscreen-size-x", 1600),
PROPERTY_ENTRY_U32("touchscreen-size-y", 890),
PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
PROPERTY_ENTRY_STRING("firmware-name", "gsl3670-itworks-tw891.fw"),
{ }
};
static const struct silead_ts_dmi_data itworks_tw891_data = {
.acpi_name = "MSSL1680:00",
.properties = itworks_tw891_props,
};
static const struct property_entry chuwi_hi8_pro_props[] = {
PROPERTY_ENTRY_U32("touchscreen-size-x", 1728),
PROPERTY_ENTRY_U32("touchscreen-size-y", 1148),
PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
PROPERTY_ENTRY_STRING("firmware-name", "gsl3680-chuwi-hi8-pro.fw"),
{ }
};
static const struct silead_ts_dmi_data chuwi_hi8_pro_data = {
.acpi_name = "MSSL1680:00",
.properties = chuwi_hi8_pro_props,
};
static const struct dmi_system_id silead_ts_dmi_table[] = {
{
/* CUBE iwork8 Air */
.driver_data = (void *)&cube_iwork8_air_data,
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "cube"),
DMI_MATCH(DMI_PRODUCT_NAME, "i1-TF"),
DMI_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"),
},
},
{
/* Jumper EZpad mini3 */
.driver_data = (void *)&jumper_ezpad_mini3_data,
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
/* jumperx.T87.KFBNEEA02 with the version-nr dropped */
DMI_MATCH(DMI_BIOS_VERSION, "jumperx.T87.KFBNEEA"),
},
},
{
/* DEXP Ursus 7W */
.driver_data = (void *)&dexp_ursus_7w_data,
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
DMI_MATCH(DMI_PRODUCT_NAME, "7W"),
},
},
{
/* Trekstor Surftab Wintron 7.0 ST70416-6 */
.driver_data = (void *)&surftab_wintron70_st70416_6_data,
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
DMI_MATCH(DMI_PRODUCT_NAME, "ST70416-6"),
/* Exact match, different versions need different fw */
DMI_MATCH(DMI_BIOS_VERSION, "TREK.G.WI71C.JGBMRBA04"),
},
},
{
/* Ployer Momo7w (same hardware as the Trekstor ST70416-6) */
.driver_data = (void *)&surftab_wintron70_st70416_6_data,
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Shenzhen PLOYER"),
DMI_MATCH(DMI_PRODUCT_NAME, "MOMO7W"),
/* Exact match, different versions need different fw */
DMI_MATCH(DMI_BIOS_VERSION, "MOMO.G.WI71C.MABMRBA02"),
},
},
{
/* GP-electronic T701 */
.driver_data = (void *)&gp_electronic_t701_data,
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
DMI_MATCH(DMI_PRODUCT_NAME, "T701"),
DMI_MATCH(DMI_BIOS_VERSION, "BYT70A.YNCHENG.WIN.007"),
},
},
{
/* Pipo W2S */
.driver_data = (void *)&pipo_w2s_data,
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "PIPO"),
DMI_MATCH(DMI_PRODUCT_NAME, "W2S"),
},
},
{
/* Point of View mobii wintab p800w */
.driver_data = (void *)&pov_mobii_wintab_p800w_data,
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
DMI_MATCH(DMI_BOARD_NAME, "Aptio CRB"),
DMI_MATCH(DMI_BIOS_VERSION, "3BAIR1013"),
/* Above matches are too generic, add bios-date match */
DMI_MATCH(DMI_BIOS_DATE, "08/22/2014"),
},
},
{
/* I.T.Works TW891 */
.driver_data = (void *)&itworks_tw891_data,
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "To be filled by O.E.M."),
DMI_MATCH(DMI_PRODUCT_NAME, "TW891"),
},
},
{
/* Chuwi Hi8 Pro */
.driver_data = (void *)&chuwi_hi8_pro_data,
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Hampoo"),
DMI_MATCH(DMI_PRODUCT_NAME, "X1D3_C806N"),
},
},
{ },
};
static const struct silead_ts_dmi_data *silead_ts_data;
static void silead_ts_dmi_add_props(struct i2c_client *client)
{
struct device *dev = &client->dev;
int error;
if (has_acpi_companion(dev) &&
!strncmp(silead_ts_data->acpi_name, client->name, I2C_NAME_SIZE)) {
error = device_add_properties(dev, silead_ts_data->properties);
if (error)
dev_err(dev, "failed to add properties: %d\n", error);
}
}
static int silead_ts_dmi_notifier_call(struct notifier_block *nb,
unsigned long action, void *data)
{
struct device *dev = data;
struct i2c_client *client;
switch (action) {
case BUS_NOTIFY_ADD_DEVICE:
client = i2c_verify_client(dev);
if (client)
silead_ts_dmi_add_props(client);
break;
default:
break;
}
return 0;
}
static struct notifier_block silead_ts_dmi_notifier = {
.notifier_call = silead_ts_dmi_notifier_call,
};
static int __init silead_ts_dmi_init(void)
{
const struct dmi_system_id *dmi_id;
int error;
dmi_id = dmi_first_match(silead_ts_dmi_table);
if (!dmi_id)
return 0; /* Not an error */
silead_ts_data = dmi_id->driver_data;
error = bus_register_notifier(&i2c_bus_type, &silead_ts_dmi_notifier);
if (error)
pr_err("%s: failed to register i2c bus notifier: %d\n",
__func__, error);
return error;
}
/*
* We are registering out notifier after i2c core is initialized and i2c bus
* itself is ready (which happens at postcore initcall level), but before
* ACPI starts enumerating devices (at subsys initcall level).
*/
arch_initcall(silead_ts_dmi_init);
|
