Commit | Line | Data |
---|---|---|
d1381f45 BL |
1 | /* |
2 | * chromeos_laptop.c - Driver to instantiate Chromebook i2c/smbus devices. | |
3 | * | |
4 | * Author : Benson Leung <bleung@chromium.org> | |
5 | * | |
6 | * Copyright (C) 2012 Google, Inc. | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
21 | * | |
22 | */ | |
23 | ||
24 | #include <linux/dmi.h> | |
25 | #include <linux/i2c.h> | |
2ef39204 BL |
26 | #include <linux/i2c/atmel_mxt_ts.h> |
27 | #include <linux/input.h> | |
28 | #include <linux/interrupt.h> | |
d1381f45 | 29 | #include <linux/module.h> |
9ad36924 | 30 | #include <linux/platform_device.h> |
d1381f45 | 31 | |
8e1ad4c4 BL |
32 | #define ATMEL_TP_I2C_ADDR 0x4b |
33 | #define ATMEL_TP_I2C_BL_ADDR 0x25 | |
33a84f8a YS |
34 | #define ATMEL_TS_I2C_ADDR 0x4a |
35 | #define ATMEL_TS_I2C_BL_ADDR 0x26 | |
d1381f45 BL |
36 | #define CYAPA_TP_I2C_ADDR 0x67 |
37 | #define ISL_ALS_I2C_ADDR 0x44 | |
aabf3f44 | 38 | #define TAOS_ALS_I2C_ADDR 0x29 |
d1381f45 | 39 | |
5502486a BL |
40 | #define MAX_I2C_DEVICE_DEFERRALS 5 |
41 | ||
d1381f45 BL |
42 | static struct i2c_client *als; |
43 | static struct i2c_client *tp; | |
33a84f8a | 44 | static struct i2c_client *ts; |
d1381f45 | 45 | |
6d3c1afe | 46 | static const char *i2c_adapter_names[] = { |
d1381f45 | 47 | "SMBus I801 adapter", |
741bf0c7 BL |
48 | "i915 gmbus vga", |
49 | "i915 gmbus panel", | |
da3b0ab7 MW |
50 | "i2c-designware-pci", |
51 | "i2c-designware-pci", | |
d1381f45 BL |
52 | }; |
53 | ||
54 | /* Keep this enum consistent with i2c_adapter_names */ | |
55 | enum i2c_adapter_type { | |
56 | I2C_ADAPTER_SMBUS = 0, | |
741bf0c7 BL |
57 | I2C_ADAPTER_VGADDC, |
58 | I2C_ADAPTER_PANEL, | |
da3b0ab7 MW |
59 | I2C_ADAPTER_DESIGNWARE_0, |
60 | I2C_ADAPTER_DESIGNWARE_1, | |
d1381f45 BL |
61 | }; |
62 | ||
5502486a BL |
63 | enum i2c_peripheral_state { |
64 | UNPROBED = 0, | |
65 | PROBED, | |
66 | TIMEDOUT, | |
d1381f45 BL |
67 | }; |
68 | ||
ec199dd5 | 69 | struct i2c_peripheral { |
9ad36924 | 70 | int (*add)(enum i2c_adapter_type type); |
ec199dd5 | 71 | enum i2c_adapter_type type; |
5502486a BL |
72 | enum i2c_peripheral_state state; |
73 | int tries; | |
ec199dd5 AD |
74 | }; |
75 | ||
76 | #define MAX_I2C_PERIPHERALS 3 | |
77 | ||
78 | struct chromeos_laptop { | |
79 | struct i2c_peripheral i2c_peripherals[MAX_I2C_PERIPHERALS]; | |
80 | }; | |
81 | ||
9ad36924 BL |
82 | static struct chromeos_laptop *cros_laptop; |
83 | ||
84 | static struct i2c_board_info cyapa_device = { | |
d1381f45 BL |
85 | I2C_BOARD_INFO("cyapa", CYAPA_TP_I2C_ADDR), |
86 | .flags = I2C_CLIENT_WAKE, | |
87 | }; | |
88 | ||
9ad36924 | 89 | static struct i2c_board_info isl_als_device = { |
d1381f45 BL |
90 | I2C_BOARD_INFO("isl29018", ISL_ALS_I2C_ADDR), |
91 | }; | |
92 | ||
9ad36924 | 93 | static struct i2c_board_info tsl2583_als_device = { |
8016bcbc BL |
94 | I2C_BOARD_INFO("tsl2583", TAOS_ALS_I2C_ADDR), |
95 | }; | |
96 | ||
9ad36924 | 97 | static struct i2c_board_info tsl2563_als_device = { |
aabf3f44 BL |
98 | I2C_BOARD_INFO("tsl2563", TAOS_ALS_I2C_ADDR), |
99 | }; | |
100 | ||
fb5e4c3e ND |
101 | static int mxt_t19_keys[] = { |
102 | KEY_RESERVED, | |
103 | KEY_RESERVED, | |
104 | KEY_RESERVED, | |
105 | KEY_RESERVED, | |
106 | KEY_RESERVED, | |
107 | BTN_LEFT | |
108 | }; | |
109 | ||
2ef39204 | 110 | static struct mxt_platform_data atmel_224s_tp_platform_data = { |
2ef39204 | 111 | .irqflags = IRQF_TRIGGER_FALLING, |
fb5e4c3e ND |
112 | .t19_num_keys = ARRAY_SIZE(mxt_t19_keys), |
113 | .t19_keymap = mxt_t19_keys, | |
2ef39204 BL |
114 | }; |
115 | ||
9ad36924 | 116 | static struct i2c_board_info atmel_224s_tp_device = { |
8e1ad4c4 | 117 | I2C_BOARD_INFO("atmel_mxt_tp", ATMEL_TP_I2C_ADDR), |
2ef39204 | 118 | .platform_data = &atmel_224s_tp_platform_data, |
8e1ad4c4 BL |
119 | .flags = I2C_CLIENT_WAKE, |
120 | }; | |
121 | ||
2ef39204 | 122 | static struct mxt_platform_data atmel_1664s_platform_data = { |
2ef39204 | 123 | .irqflags = IRQF_TRIGGER_FALLING, |
2ef39204 BL |
124 | }; |
125 | ||
9ad36924 | 126 | static struct i2c_board_info atmel_1664s_device = { |
33a84f8a | 127 | I2C_BOARD_INFO("atmel_mxt_ts", ATMEL_TS_I2C_ADDR), |
2ef39204 | 128 | .platform_data = &atmel_1664s_platform_data, |
33a84f8a YS |
129 | .flags = I2C_CLIENT_WAKE, |
130 | }; | |
131 | ||
9ad36924 | 132 | static struct i2c_client *__add_probed_i2c_device( |
d1381f45 BL |
133 | const char *name, |
134 | int bus, | |
135 | struct i2c_board_info *info, | |
96cba9b0 | 136 | const unsigned short *alt_addr_list) |
d1381f45 BL |
137 | { |
138 | const struct dmi_device *dmi_dev; | |
139 | const struct dmi_dev_onboard *dev_data; | |
140 | struct i2c_adapter *adapter; | |
96cba9b0 DT |
141 | struct i2c_client *client = NULL; |
142 | const unsigned short addr_list[] = { info->addr, I2C_CLIENT_END }; | |
d1381f45 BL |
143 | |
144 | if (bus < 0) | |
145 | return NULL; | |
146 | /* | |
147 | * If a name is specified, look for irq platform information stashed | |
148 | * in DMI_DEV_TYPE_DEV_ONBOARD by the Chrome OS custom system firmware. | |
149 | */ | |
150 | if (name) { | |
151 | dmi_dev = dmi_find_device(DMI_DEV_TYPE_DEV_ONBOARD, name, NULL); | |
152 | if (!dmi_dev) { | |
153 | pr_err("%s failed to dmi find device %s.\n", | |
154 | __func__, | |
155 | name); | |
156 | return NULL; | |
157 | } | |
158 | dev_data = (struct dmi_dev_onboard *)dmi_dev->device_data; | |
159 | if (!dev_data) { | |
160 | pr_err("%s failed to get data from dmi for %s.\n", | |
161 | __func__, name); | |
162 | return NULL; | |
163 | } | |
164 | info->irq = dev_data->instance; | |
165 | } | |
166 | ||
167 | adapter = i2c_get_adapter(bus); | |
168 | if (!adapter) { | |
169 | pr_err("%s failed to get i2c adapter %d.\n", __func__, bus); | |
170 | return NULL; | |
171 | } | |
172 | ||
96cba9b0 DT |
173 | /* |
174 | * Add the i2c device. If we can't detect it at the primary | |
175 | * address we scan secondary addresses. In any case the client | |
176 | * structure gets assigned primary address. | |
177 | */ | |
178 | client = i2c_new_probed_device(adapter, info, addr_list, NULL); | |
179 | if (!client && alt_addr_list) { | |
180 | struct i2c_board_info dummy_info = { | |
181 | I2C_BOARD_INFO("dummy", info->addr), | |
182 | }; | |
183 | struct i2c_client *dummy; | |
184 | ||
185 | dummy = i2c_new_probed_device(adapter, &dummy_info, | |
186 | alt_addr_list, NULL); | |
187 | if (dummy) { | |
188 | pr_debug("%s %d-%02x is probed at %02x\n", | |
189 | __func__, bus, info->addr, dummy->addr); | |
190 | i2c_unregister_device(dummy); | |
191 | client = i2c_new_device(adapter, info); | |
192 | } | |
193 | } | |
194 | ||
d1381f45 | 195 | if (!client) |
5502486a BL |
196 | pr_notice("%s failed to register device %d-%02x\n", |
197 | __func__, bus, info->addr); | |
d1381f45 BL |
198 | else |
199 | pr_debug("%s added i2c device %d-%02x\n", | |
200 | __func__, bus, info->addr); | |
201 | ||
202 | i2c_put_adapter(adapter); | |
203 | return client; | |
204 | } | |
205 | ||
da3b0ab7 MW |
206 | struct i2c_lookup { |
207 | const char *name; | |
208 | int instance; | |
209 | int n; | |
210 | }; | |
211 | ||
9ad36924 | 212 | static int __find_i2c_adap(struct device *dev, void *data) |
d1381f45 | 213 | { |
da3b0ab7 | 214 | struct i2c_lookup *lookup = data; |
d1381f45 BL |
215 | static const char *prefix = "i2c-"; |
216 | struct i2c_adapter *adapter; | |
49c68a21 | 217 | |
d1381f45 BL |
218 | if (strncmp(dev_name(dev), prefix, strlen(prefix)) != 0) |
219 | return 0; | |
220 | adapter = to_i2c_adapter(dev); | |
da3b0ab7 MW |
221 | if (strncmp(adapter->name, lookup->name, strlen(lookup->name)) == 0 && |
222 | lookup->n++ == lookup->instance) | |
223 | return 1; | |
224 | return 0; | |
d1381f45 BL |
225 | } |
226 | ||
9ad36924 | 227 | static int find_i2c_adapter_num(enum i2c_adapter_type type) |
d1381f45 BL |
228 | { |
229 | struct device *dev = NULL; | |
230 | struct i2c_adapter *adapter; | |
da3b0ab7 MW |
231 | struct i2c_lookup lookup; |
232 | ||
233 | memset(&lookup, 0, sizeof(lookup)); | |
234 | lookup.name = i2c_adapter_names[type]; | |
235 | lookup.instance = (type == I2C_ADAPTER_DESIGNWARE_1) ? 1 : 0; | |
236 | ||
d1381f45 | 237 | /* find the adapter by name */ |
da3b0ab7 | 238 | dev = bus_find_device(&i2c_bus_type, NULL, &lookup, __find_i2c_adap); |
d1381f45 | 239 | if (!dev) { |
9ad36924 BL |
240 | /* Adapters may appear later. Deferred probing will retry */ |
241 | pr_notice("%s: i2c adapter %s not found on system.\n", __func__, | |
da3b0ab7 | 242 | lookup.name); |
d1381f45 BL |
243 | return -ENODEV; |
244 | } | |
245 | adapter = to_i2c_adapter(dev); | |
246 | return adapter->nr; | |
247 | } | |
248 | ||
bcaf089c BL |
249 | /* |
250 | * Takes a list of addresses in addrs as such : | |
251 | * { addr1, ... , addrn, I2C_CLIENT_END }; | |
252 | * add_probed_i2c_device will use i2c_new_probed_device | |
253 | * and probe for devices at all of the addresses listed. | |
254 | * Returns NULL if no devices found. | |
255 | * See Documentation/i2c/instantiating-devices for more information. | |
256 | */ | |
9ad36924 | 257 | static struct i2c_client *add_probed_i2c_device( |
bcaf089c BL |
258 | const char *name, |
259 | enum i2c_adapter_type type, | |
260 | struct i2c_board_info *info, | |
261 | const unsigned short *addrs) | |
262 | { | |
263 | return __add_probed_i2c_device(name, | |
264 | find_i2c_adapter_num(type), | |
265 | info, | |
266 | addrs); | |
267 | } | |
268 | ||
d1381f45 BL |
269 | /* |
270 | * Probes for a device at a single address, the one provided by | |
271 | * info->addr. | |
272 | * Returns NULL if no device found. | |
273 | */ | |
9ad36924 | 274 | static struct i2c_client *add_i2c_device(const char *name, |
e7b28845 BL |
275 | enum i2c_adapter_type type, |
276 | struct i2c_board_info *info) | |
d1381f45 | 277 | { |
d1381f45 | 278 | return __add_probed_i2c_device(name, |
e7b28845 | 279 | find_i2c_adapter_num(type), |
d1381f45 | 280 | info, |
96cba9b0 | 281 | NULL); |
d1381f45 BL |
282 | } |
283 | ||
9ad36924 | 284 | static int setup_cyapa_tp(enum i2c_adapter_type type) |
d1381f45 | 285 | { |
9ad36924 BL |
286 | if (tp) |
287 | return 0; | |
288 | ||
ec199dd5 AD |
289 | /* add cyapa touchpad */ |
290 | tp = add_i2c_device("trackpad", type, &cyapa_device); | |
9ad36924 | 291 | return (!tp) ? -EAGAIN : 0; |
d1381f45 BL |
292 | } |
293 | ||
9ad36924 | 294 | static int setup_atmel_224s_tp(enum i2c_adapter_type type) |
8e1ad4c4 BL |
295 | { |
296 | const unsigned short addr_list[] = { ATMEL_TP_I2C_BL_ADDR, | |
8e1ad4c4 | 297 | I2C_CLIENT_END }; |
9ad36924 BL |
298 | if (tp) |
299 | return 0; | |
8e1ad4c4 | 300 | |
ec199dd5 AD |
301 | /* add atmel mxt touchpad */ |
302 | tp = add_probed_i2c_device("trackpad", type, | |
8e1ad4c4 | 303 | &atmel_224s_tp_device, addr_list); |
9ad36924 | 304 | return (!tp) ? -EAGAIN : 0; |
8e1ad4c4 BL |
305 | } |
306 | ||
9ad36924 | 307 | static int setup_atmel_1664s_ts(enum i2c_adapter_type type) |
33a84f8a YS |
308 | { |
309 | const unsigned short addr_list[] = { ATMEL_TS_I2C_BL_ADDR, | |
33a84f8a | 310 | I2C_CLIENT_END }; |
9ad36924 BL |
311 | if (ts) |
312 | return 0; | |
33a84f8a | 313 | |
ec199dd5 AD |
314 | /* add atmel mxt touch device */ |
315 | ts = add_probed_i2c_device("touchscreen", type, | |
33a84f8a | 316 | &atmel_1664s_device, addr_list); |
9ad36924 | 317 | return (!ts) ? -EAGAIN : 0; |
33a84f8a YS |
318 | } |
319 | ||
9ad36924 | 320 | static int setup_isl29018_als(enum i2c_adapter_type type) |
d1381f45 | 321 | { |
9ad36924 BL |
322 | if (als) |
323 | return 0; | |
324 | ||
d1381f45 | 325 | /* add isl29018 light sensor */ |
ec199dd5 | 326 | als = add_i2c_device("lightsensor", type, &isl_als_device); |
9ad36924 | 327 | return (!als) ? -EAGAIN : 0; |
d1381f45 BL |
328 | } |
329 | ||
9ad36924 | 330 | static int setup_tsl2583_als(enum i2c_adapter_type type) |
cc5c3985 | 331 | { |
9ad36924 BL |
332 | if (als) |
333 | return 0; | |
334 | ||
ec199dd5 AD |
335 | /* add tsl2583 light sensor */ |
336 | als = add_i2c_device(NULL, type, &tsl2583_als_device); | |
9ad36924 | 337 | return (!als) ? -EAGAIN : 0; |
cc5c3985 BL |
338 | } |
339 | ||
9ad36924 | 340 | static int setup_tsl2563_als(enum i2c_adapter_type type) |
8016bcbc | 341 | { |
9ad36924 BL |
342 | if (als) |
343 | return 0; | |
344 | ||
ec199dd5 AD |
345 | /* add tsl2563 light sensor */ |
346 | als = add_i2c_device(NULL, type, &tsl2563_als_device); | |
9ad36924 | 347 | return (!als) ? -EAGAIN : 0; |
8016bcbc BL |
348 | } |
349 | ||
9ad36924 | 350 | static int __init chromeos_laptop_dmi_matched(const struct dmi_system_id *id) |
aabf3f44 | 351 | { |
9ad36924 BL |
352 | cros_laptop = (void *)id->driver_data; |
353 | pr_debug("DMI Matched %s.\n", id->ident); | |
ec199dd5 | 354 | |
9ad36924 BL |
355 | /* Indicate to dmi_scan that processing is done. */ |
356 | return 1; | |
357 | } | |
358 | ||
359 | static int chromeos_laptop_probe(struct platform_device *pdev) | |
360 | { | |
361 | int i; | |
362 | int ret = 0; | |
ec199dd5 AD |
363 | |
364 | for (i = 0; i < MAX_I2C_PERIPHERALS; i++) { | |
365 | struct i2c_peripheral *i2c_dev; | |
366 | ||
367 | i2c_dev = &cros_laptop->i2c_peripherals[i]; | |
368 | ||
369 | /* No more peripherals. */ | |
370 | if (i2c_dev->add == NULL) | |
371 | break; | |
372 | ||
5502486a BL |
373 | if (i2c_dev->state == TIMEDOUT || i2c_dev->state == PROBED) |
374 | continue; | |
375 | ||
376 | /* | |
377 | * Check that the i2c adapter is present. | |
378 | * -EPROBE_DEFER if missing as the adapter may appear much | |
379 | * later. | |
380 | */ | |
381 | if (find_i2c_adapter_num(i2c_dev->type) == -ENODEV) { | |
9ad36924 | 382 | ret = -EPROBE_DEFER; |
5502486a BL |
383 | continue; |
384 | } | |
385 | ||
386 | /* Add the device. */ | |
387 | if (i2c_dev->add(i2c_dev->type) == -EAGAIN) { | |
388 | /* | |
389 | * Set -EPROBE_DEFER a limited num of times | |
390 | * if device is not successfully added. | |
391 | */ | |
392 | if (++i2c_dev->tries < MAX_I2C_DEVICE_DEFERRALS) { | |
393 | ret = -EPROBE_DEFER; | |
394 | } else { | |
395 | /* Ran out of tries. */ | |
396 | pr_notice("%s: Ran out of tries for device.\n", | |
397 | __func__); | |
398 | i2c_dev->state = TIMEDOUT; | |
399 | } | |
400 | } else { | |
401 | i2c_dev->state = PROBED; | |
402 | } | |
ec199dd5 AD |
403 | } |
404 | ||
9ad36924 | 405 | return ret; |
aabf3f44 BL |
406 | } |
407 | ||
9ad36924 | 408 | static struct chromeos_laptop samsung_series_5_550 = { |
ec199dd5 AD |
409 | .i2c_peripherals = { |
410 | /* Touchpad. */ | |
411 | { .add = setup_cyapa_tp, I2C_ADAPTER_SMBUS }, | |
412 | /* Light Sensor. */ | |
413 | { .add = setup_isl29018_als, I2C_ADAPTER_SMBUS }, | |
414 | }, | |
415 | }; | |
416 | ||
9ad36924 | 417 | static struct chromeos_laptop samsung_series_5 = { |
ec199dd5 AD |
418 | .i2c_peripherals = { |
419 | /* Light Sensor. */ | |
420 | { .add = setup_tsl2583_als, I2C_ADAPTER_SMBUS }, | |
421 | }, | |
422 | }; | |
423 | ||
9ad36924 | 424 | static struct chromeos_laptop chromebook_pixel = { |
ec199dd5 AD |
425 | .i2c_peripherals = { |
426 | /* Touch Screen. */ | |
427 | { .add = setup_atmel_1664s_ts, I2C_ADAPTER_PANEL }, | |
428 | /* Touchpad. */ | |
429 | { .add = setup_atmel_224s_tp, I2C_ADAPTER_VGADDC }, | |
430 | /* Light Sensor. */ | |
431 | { .add = setup_isl29018_als, I2C_ADAPTER_PANEL }, | |
432 | }, | |
433 | }; | |
434 | ||
5ea9567f BL |
435 | static struct chromeos_laptop hp_chromebook_14 = { |
436 | .i2c_peripherals = { | |
437 | /* Touchpad. */ | |
438 | { .add = setup_cyapa_tp, I2C_ADAPTER_DESIGNWARE_0 }, | |
439 | }, | |
440 | }; | |
441 | ||
0e1e5e59 MH |
442 | static struct chromeos_laptop dell_chromebook_11 = { |
443 | .i2c_peripherals = { | |
444 | /* Touchpad. */ | |
445 | { .add = setup_cyapa_tp, I2C_ADAPTER_DESIGNWARE_0 }, | |
446 | }, | |
447 | }; | |
448 | ||
963cb6fa GC |
449 | static struct chromeos_laptop toshiba_cb35 = { |
450 | .i2c_peripherals = { | |
451 | /* Touchpad. */ | |
452 | { .add = setup_cyapa_tp, I2C_ADAPTER_DESIGNWARE_0 }, | |
453 | }, | |
454 | }; | |
455 | ||
9ad36924 | 456 | static struct chromeos_laptop acer_c7_chromebook = { |
ec199dd5 AD |
457 | .i2c_peripherals = { |
458 | /* Touchpad. */ | |
459 | { .add = setup_cyapa_tp, I2C_ADAPTER_SMBUS }, | |
460 | }, | |
461 | }; | |
462 | ||
9ad36924 | 463 | static struct chromeos_laptop acer_ac700 = { |
ec199dd5 AD |
464 | .i2c_peripherals = { |
465 | /* Light Sensor. */ | |
466 | { .add = setup_tsl2563_als, I2C_ADAPTER_SMBUS }, | |
467 | }, | |
468 | }; | |
469 | ||
da3b0ab7 MW |
470 | static struct chromeos_laptop acer_c720 = { |
471 | .i2c_peripherals = { | |
b90b3c4a MM |
472 | /* Touchscreen. */ |
473 | { .add = setup_atmel_1664s_ts, I2C_ADAPTER_DESIGNWARE_1 }, | |
da3b0ab7 MW |
474 | /* Touchpad. */ |
475 | { .add = setup_cyapa_tp, I2C_ADAPTER_DESIGNWARE_0 }, | |
476 | /* Light Sensor. */ | |
477 | { .add = setup_isl29018_als, I2C_ADAPTER_DESIGNWARE_1 }, | |
478 | }, | |
479 | }; | |
480 | ||
9ad36924 | 481 | static struct chromeos_laptop hp_pavilion_14_chromebook = { |
ec199dd5 AD |
482 | .i2c_peripherals = { |
483 | /* Touchpad. */ | |
484 | { .add = setup_cyapa_tp, I2C_ADAPTER_SMBUS }, | |
485 | }, | |
486 | }; | |
487 | ||
9ad36924 | 488 | static struct chromeos_laptop cr48 = { |
ec199dd5 AD |
489 | .i2c_peripherals = { |
490 | /* Light Sensor. */ | |
491 | { .add = setup_tsl2563_als, I2C_ADAPTER_SMBUS }, | |
492 | }, | |
493 | }; | |
494 | ||
495 | #define _CBDD(board_) \ | |
9ad36924 | 496 | .callback = chromeos_laptop_dmi_matched, \ |
ec199dd5 AD |
497 | .driver_data = (void *)&board_ |
498 | ||
cdddd23f | 499 | static struct dmi_system_id chromeos_laptop_dmi_table[] __initdata = { |
d1381f45 | 500 | { |
ec199dd5 | 501 | .ident = "Samsung Series 5 550", |
d1381f45 BL |
502 | .matches = { |
503 | DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG"), | |
504 | DMI_MATCH(DMI_PRODUCT_NAME, "Lumpy"), | |
505 | }, | |
ec199dd5 | 506 | _CBDD(samsung_series_5_550), |
8e1ad4c4 | 507 | }, |
d1381f45 | 508 | { |
ec199dd5 | 509 | .ident = "Samsung Series 5", |
d1381f45 | 510 | .matches = { |
ec199dd5 | 511 | DMI_MATCH(DMI_PRODUCT_NAME, "Alex"), |
d1381f45 | 512 | }, |
ec199dd5 | 513 | _CBDD(samsung_series_5), |
d1381f45 | 514 | }, |
cc5c3985 | 515 | { |
ec199dd5 | 516 | .ident = "Chromebook Pixel", |
cc5c3985 BL |
517 | .matches = { |
518 | DMI_MATCH(DMI_SYS_VENDOR, "GOOGLE"), | |
519 | DMI_MATCH(DMI_PRODUCT_NAME, "Link"), | |
520 | }, | |
ec199dd5 | 521 | _CBDD(chromebook_pixel), |
cc5c3985 | 522 | }, |
0e1e5e59 MH |
523 | { |
524 | .ident = "Wolf", | |
525 | .matches = { | |
526 | DMI_MATCH(DMI_BIOS_VENDOR, "coreboot"), | |
527 | DMI_MATCH(DMI_PRODUCT_NAME, "Wolf"), | |
528 | }, | |
529 | _CBDD(dell_chromebook_11), | |
530 | }, | |
5ea9567f BL |
531 | { |
532 | .ident = "HP Chromebook 14", | |
533 | .matches = { | |
534 | DMI_MATCH(DMI_BIOS_VENDOR, "coreboot"), | |
535 | DMI_MATCH(DMI_PRODUCT_NAME, "Falco"), | |
536 | }, | |
537 | _CBDD(hp_chromebook_14), | |
538 | }, | |
963cb6fa GC |
539 | { |
540 | .ident = "Toshiba CB35", | |
541 | .matches = { | |
542 | DMI_MATCH(DMI_BIOS_VENDOR, "coreboot"), | |
543 | DMI_MATCH(DMI_PRODUCT_NAME, "Leon"), | |
544 | }, | |
545 | _CBDD(toshiba_cb35), | |
546 | }, | |
261f171f | 547 | { |
ec199dd5 | 548 | .ident = "Acer C7 Chromebook", |
261f171f BL |
549 | .matches = { |
550 | DMI_MATCH(DMI_PRODUCT_NAME, "Parrot"), | |
551 | }, | |
ec199dd5 | 552 | _CBDD(acer_c7_chromebook), |
e65a624b BL |
553 | }, |
554 | { | |
ec199dd5 | 555 | .ident = "Acer AC700", |
e65a624b | 556 | .matches = { |
ec199dd5 | 557 | DMI_MATCH(DMI_PRODUCT_NAME, "ZGB"), |
e65a624b | 558 | }, |
ec199dd5 | 559 | _CBDD(acer_ac700), |
261f171f | 560 | }, |
da3b0ab7 MW |
561 | { |
562 | .ident = "Acer C720", | |
563 | .matches = { | |
564 | DMI_MATCH(DMI_PRODUCT_NAME, "Peppy"), | |
565 | }, | |
566 | _CBDD(acer_c720), | |
567 | }, | |
8016bcbc | 568 | { |
ec199dd5 | 569 | .ident = "HP Pavilion 14 Chromebook", |
8016bcbc | 570 | .matches = { |
ec199dd5 | 571 | DMI_MATCH(DMI_PRODUCT_NAME, "Butterfly"), |
8016bcbc | 572 | }, |
ec199dd5 | 573 | _CBDD(hp_pavilion_14_chromebook), |
8016bcbc | 574 | }, |
aabf3f44 | 575 | { |
ec199dd5 | 576 | .ident = "Cr-48", |
aabf3f44 BL |
577 | .matches = { |
578 | DMI_MATCH(DMI_PRODUCT_NAME, "Mario"), | |
579 | }, | |
ec199dd5 | 580 | _CBDD(cr48), |
aabf3f44 | 581 | }, |
d1381f45 BL |
582 | { } |
583 | }; | |
584 | MODULE_DEVICE_TABLE(dmi, chromeos_laptop_dmi_table); | |
585 | ||
9ad36924 BL |
586 | static struct platform_device *cros_platform_device; |
587 | ||
588 | static struct platform_driver cros_platform_driver = { | |
589 | .driver = { | |
590 | .name = "chromeos_laptop", | |
9ad36924 BL |
591 | }, |
592 | .probe = chromeos_laptop_probe, | |
593 | }; | |
594 | ||
d1381f45 BL |
595 | static int __init chromeos_laptop_init(void) |
596 | { | |
9ad36924 | 597 | int ret; |
49c68a21 | 598 | |
d1381f45 BL |
599 | if (!dmi_check_system(chromeos_laptop_dmi_table)) { |
600 | pr_debug("%s unsupported system.\n", __func__); | |
601 | return -ENODEV; | |
602 | } | |
9ad36924 BL |
603 | |
604 | ret = platform_driver_register(&cros_platform_driver); | |
605 | if (ret) | |
606 | return ret; | |
607 | ||
608 | cros_platform_device = platform_device_alloc("chromeos_laptop", -1); | |
609 | if (!cros_platform_device) { | |
610 | ret = -ENOMEM; | |
611 | goto fail_platform_device1; | |
612 | } | |
613 | ||
614 | ret = platform_device_add(cros_platform_device); | |
615 | if (ret) | |
616 | goto fail_platform_device2; | |
617 | ||
d1381f45 | 618 | return 0; |
9ad36924 BL |
619 | |
620 | fail_platform_device2: | |
621 | platform_device_put(cros_platform_device); | |
622 | fail_platform_device1: | |
623 | platform_driver_unregister(&cros_platform_driver); | |
624 | return ret; | |
d1381f45 BL |
625 | } |
626 | ||
627 | static void __exit chromeos_laptop_exit(void) | |
628 | { | |
629 | if (als) | |
630 | i2c_unregister_device(als); | |
631 | if (tp) | |
632 | i2c_unregister_device(tp); | |
33a84f8a YS |
633 | if (ts) |
634 | i2c_unregister_device(ts); | |
2b8454a7 WY |
635 | |
636 | platform_device_unregister(cros_platform_device); | |
637 | platform_driver_unregister(&cros_platform_driver); | |
d1381f45 BL |
638 | } |
639 | ||
640 | module_init(chromeos_laptop_init); | |
641 | module_exit(chromeos_laptop_exit); | |
642 | ||
643 | MODULE_DESCRIPTION("Chrome OS Laptop driver"); | |
644 | MODULE_AUTHOR("Benson Leung <bleung@chromium.org>"); | |
645 | MODULE_LICENSE("GPL"); |