1 | // SPDX-License-Identifier: GPL-2.0-or-later |
2 | /* |
3 | * ACPI Sony Notebook Control Driver (SNC and SPIC) |
4 | * |
5 | * Copyright (C) 2004-2005 Stelian Pop <stelian@popies.net> |
6 | * Copyright (C) 2007-2009 Mattia Dongili <malattia@linux.it> |
7 | * |
8 | * Parts of this driver inspired from asus_acpi.c and ibm_acpi.c |
9 | * which are copyrighted by their respective authors. |
10 | * |
11 | * The SNY6001 driver part is based on the sonypi driver which includes |
12 | * material from: |
13 | * |
14 | * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net> |
15 | * |
16 | * Copyright (C) 2005 Narayanan R S <nars@kadamba.org> |
17 | * |
18 | * Copyright (C) 2001-2002 AlcĂ´ve <www.alcove.com> |
19 | * |
20 | * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au> |
21 | * |
22 | * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp> |
23 | * |
24 | * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp> |
25 | * |
26 | * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com> |
27 | * |
28 | * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras. |
29 | */ |
30 | |
31 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
32 | |
33 | #include <linux/kernel.h> |
34 | #include <linux/module.h> |
35 | #include <linux/moduleparam.h> |
36 | #include <linux/init.h> |
37 | #include <linux/types.h> |
38 | #include <linux/backlight.h> |
39 | #include <linux/platform_device.h> |
40 | #include <linux/err.h> |
41 | #include <linux/dmi.h> |
42 | #include <linux/pci.h> |
43 | #include <linux/interrupt.h> |
44 | #include <linux/delay.h> |
45 | #include <linux/input.h> |
46 | #include <linux/kfifo.h> |
47 | #include <linux/workqueue.h> |
48 | #include <linux/acpi.h> |
49 | #include <linux/slab.h> |
50 | #include <linux/sonypi.h> |
51 | #include <linux/sony-laptop.h> |
52 | #include <linux/rfkill.h> |
53 | #ifdef CONFIG_SONYPI_COMPAT |
54 | #include <linux/poll.h> |
55 | #include <linux/miscdevice.h> |
56 | #endif |
57 | #include <linux/uaccess.h> |
58 | #include <acpi/video.h> |
59 | |
60 | #define dprintk(fmt, ...) \ |
61 | do { \ |
62 | if (debug) \ |
63 | pr_warn(fmt, ##__VA_ARGS__); \ |
64 | } while (0) |
65 | |
66 | #define SONY_NC_CLASS "sony-nc" |
67 | #define SONY_NC_HID "SNY5001" |
68 | #define SONY_NC_DRIVER_NAME "Sony Notebook Control Driver" |
69 | |
70 | #define SONY_PIC_CLASS "sony-pic" |
71 | #define SONY_PIC_HID "SNY6001" |
72 | #define SONY_PIC_DRIVER_NAME "Sony Programmable IO Control Driver" |
73 | |
74 | MODULE_AUTHOR("Stelian Pop, Mattia Dongili" ); |
75 | MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)" ); |
76 | MODULE_LICENSE("GPL" ); |
77 | |
78 | static int debug; |
79 | module_param(debug, int, 0); |
80 | MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help " |
81 | "the development of this driver" ); |
82 | |
83 | static int no_spic; /* = 0 */ |
84 | module_param(no_spic, int, 0444); |
85 | MODULE_PARM_DESC(no_spic, |
86 | "set this if you don't want to enable the SPIC device" ); |
87 | |
88 | static int compat; /* = 0 */ |
89 | module_param(compat, int, 0444); |
90 | MODULE_PARM_DESC(compat, |
91 | "set this if you want to enable backward compatibility mode" ); |
92 | |
93 | static unsigned long mask = 0xffffffff; |
94 | module_param(mask, ulong, 0644); |
95 | MODULE_PARM_DESC(mask, |
96 | "set this to the mask of event you want to enable (see doc)" ); |
97 | |
98 | static int camera; /* = 0 */ |
99 | module_param(camera, int, 0444); |
100 | MODULE_PARM_DESC(camera, |
101 | "set this to 1 to enable Motion Eye camera controls " |
102 | "(only use it if you have a C1VE or C1VN model)" ); |
103 | |
104 | #ifdef CONFIG_SONYPI_COMPAT |
105 | static int minor = -1; |
106 | module_param(minor, int, 0); |
107 | MODULE_PARM_DESC(minor, |
108 | "minor number of the misc device for the SPIC compatibility code, " |
109 | "default is -1 (automatic)" ); |
110 | #endif |
111 | |
112 | static int kbd_backlight = -1; |
113 | module_param(kbd_backlight, int, 0444); |
114 | MODULE_PARM_DESC(kbd_backlight, |
115 | "set this to 0 to disable keyboard backlight, " |
116 | "1 to enable it with automatic control and 2 to have it always " |
117 | "on (default: no change from current value)" ); |
118 | |
119 | static int kbd_backlight_timeout = -1; |
120 | module_param(kbd_backlight_timeout, int, 0444); |
121 | MODULE_PARM_DESC(kbd_backlight_timeout, |
122 | "meaningful values vary from 0 to 3 and their meaning depends " |
123 | "on the model (default: no change from current value)" ); |
124 | |
125 | #ifdef CONFIG_PM_SLEEP |
126 | static void sony_nc_thermal_resume(void); |
127 | #endif |
128 | static int sony_nc_kbd_backlight_setup(struct platform_device *pd, |
129 | unsigned int handle); |
130 | static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd, |
131 | unsigned int handle); |
132 | |
133 | static int sony_nc_battery_care_setup(struct platform_device *pd, |
134 | unsigned int handle); |
135 | static void sony_nc_battery_care_cleanup(struct platform_device *pd); |
136 | |
137 | static int sony_nc_thermal_setup(struct platform_device *pd); |
138 | static void sony_nc_thermal_cleanup(struct platform_device *pd); |
139 | |
140 | static int sony_nc_lid_resume_setup(struct platform_device *pd, |
141 | unsigned int handle); |
142 | static void sony_nc_lid_resume_cleanup(struct platform_device *pd); |
143 | |
144 | static int sony_nc_gfx_switch_setup(struct platform_device *pd, |
145 | unsigned int handle); |
146 | static void sony_nc_gfx_switch_cleanup(struct platform_device *pd); |
147 | static int __sony_nc_gfx_switch_status_get(void); |
148 | |
149 | static int sony_nc_highspeed_charging_setup(struct platform_device *pd); |
150 | static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd); |
151 | |
152 | static int sony_nc_lowbatt_setup(struct platform_device *pd); |
153 | static void sony_nc_lowbatt_cleanup(struct platform_device *pd); |
154 | |
155 | static int sony_nc_fanspeed_setup(struct platform_device *pd); |
156 | static void sony_nc_fanspeed_cleanup(struct platform_device *pd); |
157 | |
158 | static int sony_nc_usb_charge_setup(struct platform_device *pd); |
159 | static void sony_nc_usb_charge_cleanup(struct platform_device *pd); |
160 | |
161 | static int sony_nc_panelid_setup(struct platform_device *pd); |
162 | static void sony_nc_panelid_cleanup(struct platform_device *pd); |
163 | |
164 | static int sony_nc_smart_conn_setup(struct platform_device *pd); |
165 | static void sony_nc_smart_conn_cleanup(struct platform_device *pd); |
166 | |
167 | static int sony_nc_touchpad_setup(struct platform_device *pd, |
168 | unsigned int handle); |
169 | static void sony_nc_touchpad_cleanup(struct platform_device *pd); |
170 | |
171 | enum sony_nc_rfkill { |
172 | SONY_WIFI, |
173 | SONY_BLUETOOTH, |
174 | SONY_WWAN, |
175 | SONY_WIMAX, |
176 | N_SONY_RFKILL, |
177 | }; |
178 | |
179 | static int sony_rfkill_handle; |
180 | static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL]; |
181 | static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900}; |
182 | static int sony_nc_rfkill_setup(struct acpi_device *device, |
183 | unsigned int handle); |
184 | static void sony_nc_rfkill_cleanup(void); |
185 | static void sony_nc_rfkill_update(void); |
186 | |
187 | /*********** Input Devices ***********/ |
188 | |
189 | #define SONY_LAPTOP_BUF_SIZE 128 |
190 | struct sony_laptop_input_s { |
191 | atomic_t users; |
192 | struct input_dev *jog_dev; |
193 | struct input_dev *key_dev; |
194 | struct kfifo fifo; |
195 | spinlock_t fifo_lock; |
196 | struct timer_list release_key_timer; |
197 | }; |
198 | |
199 | static struct sony_laptop_input_s sony_laptop_input = { |
200 | .users = ATOMIC_INIT(0), |
201 | }; |
202 | |
203 | struct sony_laptop_keypress { |
204 | struct input_dev *dev; |
205 | int key; |
206 | }; |
207 | |
208 | /* Correspondance table between sonypi events |
209 | * and input layer indexes in the keymap |
210 | */ |
211 | static const int sony_laptop_input_index[] = { |
212 | -1, /* 0 no event */ |
213 | -1, /* 1 SONYPI_EVENT_JOGDIAL_DOWN */ |
214 | -1, /* 2 SONYPI_EVENT_JOGDIAL_UP */ |
215 | -1, /* 3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */ |
216 | -1, /* 4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */ |
217 | -1, /* 5 SONYPI_EVENT_JOGDIAL_PRESSED */ |
218 | -1, /* 6 SONYPI_EVENT_JOGDIAL_RELEASED */ |
219 | 0, /* 7 SONYPI_EVENT_CAPTURE_PRESSED */ |
220 | 1, /* 8 SONYPI_EVENT_CAPTURE_RELEASED */ |
221 | 2, /* 9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */ |
222 | 3, /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */ |
223 | 4, /* 11 SONYPI_EVENT_FNKEY_ESC */ |
224 | 5, /* 12 SONYPI_EVENT_FNKEY_F1 */ |
225 | 6, /* 13 SONYPI_EVENT_FNKEY_F2 */ |
226 | 7, /* 14 SONYPI_EVENT_FNKEY_F3 */ |
227 | 8, /* 15 SONYPI_EVENT_FNKEY_F4 */ |
228 | 9, /* 16 SONYPI_EVENT_FNKEY_F5 */ |
229 | 10, /* 17 SONYPI_EVENT_FNKEY_F6 */ |
230 | 11, /* 18 SONYPI_EVENT_FNKEY_F7 */ |
231 | 12, /* 19 SONYPI_EVENT_FNKEY_F8 */ |
232 | 13, /* 20 SONYPI_EVENT_FNKEY_F9 */ |
233 | 14, /* 21 SONYPI_EVENT_FNKEY_F10 */ |
234 | 15, /* 22 SONYPI_EVENT_FNKEY_F11 */ |
235 | 16, /* 23 SONYPI_EVENT_FNKEY_F12 */ |
236 | 17, /* 24 SONYPI_EVENT_FNKEY_1 */ |
237 | 18, /* 25 SONYPI_EVENT_FNKEY_2 */ |
238 | 19, /* 26 SONYPI_EVENT_FNKEY_D */ |
239 | 20, /* 27 SONYPI_EVENT_FNKEY_E */ |
240 | 21, /* 28 SONYPI_EVENT_FNKEY_F */ |
241 | 22, /* 29 SONYPI_EVENT_FNKEY_S */ |
242 | 23, /* 30 SONYPI_EVENT_FNKEY_B */ |
243 | 24, /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */ |
244 | 25, /* 32 SONYPI_EVENT_PKEY_P1 */ |
245 | 26, /* 33 SONYPI_EVENT_PKEY_P2 */ |
246 | 27, /* 34 SONYPI_EVENT_PKEY_P3 */ |
247 | 28, /* 35 SONYPI_EVENT_BACK_PRESSED */ |
248 | -1, /* 36 SONYPI_EVENT_LID_CLOSED */ |
249 | -1, /* 37 SONYPI_EVENT_LID_OPENED */ |
250 | 29, /* 38 SONYPI_EVENT_BLUETOOTH_ON */ |
251 | 30, /* 39 SONYPI_EVENT_BLUETOOTH_OFF */ |
252 | 31, /* 40 SONYPI_EVENT_HELP_PRESSED */ |
253 | 32, /* 41 SONYPI_EVENT_FNKEY_ONLY */ |
254 | 33, /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */ |
255 | 34, /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */ |
256 | 35, /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */ |
257 | 36, /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */ |
258 | 37, /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */ |
259 | 38, /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */ |
260 | 39, /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */ |
261 | 40, /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */ |
262 | 41, /* 50 SONYPI_EVENT_ZOOM_PRESSED */ |
263 | 42, /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */ |
264 | 43, /* 52 SONYPI_EVENT_MEYE_FACE */ |
265 | 44, /* 53 SONYPI_EVENT_MEYE_OPPOSITE */ |
266 | 45, /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */ |
267 | 46, /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */ |
268 | -1, /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */ |
269 | -1, /* 57 SONYPI_EVENT_BATTERY_INSERT */ |
270 | -1, /* 58 SONYPI_EVENT_BATTERY_REMOVE */ |
271 | -1, /* 59 SONYPI_EVENT_FNKEY_RELEASED */ |
272 | 47, /* 60 SONYPI_EVENT_WIRELESS_ON */ |
273 | 48, /* 61 SONYPI_EVENT_WIRELESS_OFF */ |
274 | 49, /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */ |
275 | 50, /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */ |
276 | 51, /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */ |
277 | 52, /* 65 SONYPI_EVENT_MODEKEY_PRESSED */ |
278 | 53, /* 66 SONYPI_EVENT_PKEY_P4 */ |
279 | 54, /* 67 SONYPI_EVENT_PKEY_P5 */ |
280 | 55, /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */ |
281 | 56, /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */ |
282 | 57, /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */ |
283 | -1, /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */ |
284 | 58, /* 72 SONYPI_EVENT_MEDIA_PRESSED */ |
285 | 59, /* 72 SONYPI_EVENT_VENDOR_PRESSED */ |
286 | }; |
287 | |
288 | static int sony_laptop_input_keycode_map[] = { |
289 | KEY_CAMERA, /* 0 SONYPI_EVENT_CAPTURE_PRESSED */ |
290 | KEY_RESERVED, /* 1 SONYPI_EVENT_CAPTURE_RELEASED */ |
291 | KEY_RESERVED, /* 2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */ |
292 | KEY_RESERVED, /* 3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */ |
293 | KEY_FN_ESC, /* 4 SONYPI_EVENT_FNKEY_ESC */ |
294 | KEY_FN_F1, /* 5 SONYPI_EVENT_FNKEY_F1 */ |
295 | KEY_FN_F2, /* 6 SONYPI_EVENT_FNKEY_F2 */ |
296 | KEY_FN_F3, /* 7 SONYPI_EVENT_FNKEY_F3 */ |
297 | KEY_FN_F4, /* 8 SONYPI_EVENT_FNKEY_F4 */ |
298 | KEY_FN_F5, /* 9 SONYPI_EVENT_FNKEY_F5 */ |
299 | KEY_FN_F6, /* 10 SONYPI_EVENT_FNKEY_F6 */ |
300 | KEY_FN_F7, /* 11 SONYPI_EVENT_FNKEY_F7 */ |
301 | KEY_FN_F8, /* 12 SONYPI_EVENT_FNKEY_F8 */ |
302 | KEY_FN_F9, /* 13 SONYPI_EVENT_FNKEY_F9 */ |
303 | KEY_FN_F10, /* 14 SONYPI_EVENT_FNKEY_F10 */ |
304 | KEY_FN_F11, /* 15 SONYPI_EVENT_FNKEY_F11 */ |
305 | KEY_FN_F12, /* 16 SONYPI_EVENT_FNKEY_F12 */ |
306 | KEY_FN_1, /* 17 SONYPI_EVENT_FNKEY_1 */ |
307 | KEY_FN_2, /* 18 SONYPI_EVENT_FNKEY_2 */ |
308 | KEY_FN_D, /* 19 SONYPI_EVENT_FNKEY_D */ |
309 | KEY_FN_E, /* 20 SONYPI_EVENT_FNKEY_E */ |
310 | KEY_FN_F, /* 21 SONYPI_EVENT_FNKEY_F */ |
311 | KEY_FN_S, /* 22 SONYPI_EVENT_FNKEY_S */ |
312 | KEY_FN_B, /* 23 SONYPI_EVENT_FNKEY_B */ |
313 | KEY_BLUETOOTH, /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */ |
314 | KEY_PROG1, /* 25 SONYPI_EVENT_PKEY_P1 */ |
315 | KEY_PROG2, /* 26 SONYPI_EVENT_PKEY_P2 */ |
316 | KEY_PROG3, /* 27 SONYPI_EVENT_PKEY_P3 */ |
317 | KEY_BACK, /* 28 SONYPI_EVENT_BACK_PRESSED */ |
318 | KEY_BLUETOOTH, /* 29 SONYPI_EVENT_BLUETOOTH_ON */ |
319 | KEY_BLUETOOTH, /* 30 SONYPI_EVENT_BLUETOOTH_OFF */ |
320 | KEY_HELP, /* 31 SONYPI_EVENT_HELP_PRESSED */ |
321 | KEY_FN, /* 32 SONYPI_EVENT_FNKEY_ONLY */ |
322 | KEY_RESERVED, /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */ |
323 | KEY_RESERVED, /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */ |
324 | KEY_RESERVED, /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */ |
325 | KEY_RESERVED, /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */ |
326 | KEY_RESERVED, /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */ |
327 | KEY_RESERVED, /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */ |
328 | KEY_RESERVED, /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */ |
329 | KEY_RESERVED, /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */ |
330 | KEY_ZOOM, /* 41 SONYPI_EVENT_ZOOM_PRESSED */ |
331 | BTN_THUMB, /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */ |
332 | KEY_RESERVED, /* 43 SONYPI_EVENT_MEYE_FACE */ |
333 | KEY_RESERVED, /* 44 SONYPI_EVENT_MEYE_OPPOSITE */ |
334 | KEY_RESERVED, /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */ |
335 | KEY_RESERVED, /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */ |
336 | KEY_WLAN, /* 47 SONYPI_EVENT_WIRELESS_ON */ |
337 | KEY_WLAN, /* 48 SONYPI_EVENT_WIRELESS_OFF */ |
338 | KEY_ZOOMIN, /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */ |
339 | KEY_ZOOMOUT, /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */ |
340 | KEY_EJECTCD, /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */ |
341 | KEY_F13, /* 52 SONYPI_EVENT_MODEKEY_PRESSED */ |
342 | KEY_PROG4, /* 53 SONYPI_EVENT_PKEY_P4 */ |
343 | KEY_F14, /* 54 SONYPI_EVENT_PKEY_P5 */ |
344 | KEY_F15, /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */ |
345 | KEY_VOLUMEUP, /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */ |
346 | KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */ |
347 | KEY_MEDIA, /* 58 SONYPI_EVENT_MEDIA_PRESSED */ |
348 | KEY_VENDOR, /* 59 SONYPI_EVENT_VENDOR_PRESSED */ |
349 | }; |
350 | |
351 | /* release buttons after a short delay if pressed */ |
352 | static void do_sony_laptop_release_key(struct timer_list *unused) |
353 | { |
354 | struct sony_laptop_keypress kp; |
355 | unsigned long flags; |
356 | |
357 | spin_lock_irqsave(&sony_laptop_input.fifo_lock, flags); |
358 | |
359 | if (kfifo_out(&sony_laptop_input.fifo, |
360 | (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) { |
361 | input_report_key(dev: kp.dev, code: kp.key, value: 0); |
362 | input_sync(dev: kp.dev); |
363 | } |
364 | |
365 | /* If there is something in the fifo schedule next release. */ |
366 | if (kfifo_len(&sony_laptop_input.fifo) != 0) |
367 | mod_timer(timer: &sony_laptop_input.release_key_timer, |
368 | expires: jiffies + msecs_to_jiffies(m: 10)); |
369 | |
370 | spin_unlock_irqrestore(lock: &sony_laptop_input.fifo_lock, flags); |
371 | } |
372 | |
373 | /* forward event to the input subsystem */ |
374 | static void sony_laptop_report_input_event(u8 event) |
375 | { |
376 | struct input_dev *jog_dev = sony_laptop_input.jog_dev; |
377 | struct input_dev *key_dev = sony_laptop_input.key_dev; |
378 | struct sony_laptop_keypress kp = { NULL }; |
379 | int scancode = -1; |
380 | |
381 | if (event == SONYPI_EVENT_FNKEY_RELEASED || |
382 | event == SONYPI_EVENT_ANYBUTTON_RELEASED) { |
383 | /* Nothing, not all VAIOs generate this event */ |
384 | return; |
385 | } |
386 | |
387 | /* report events */ |
388 | switch (event) { |
389 | /* jog_dev events */ |
390 | case SONYPI_EVENT_JOGDIAL_UP: |
391 | case SONYPI_EVENT_JOGDIAL_UP_PRESSED: |
392 | input_report_rel(dev: jog_dev, REL_WHEEL, value: 1); |
393 | input_sync(dev: jog_dev); |
394 | return; |
395 | |
396 | case SONYPI_EVENT_JOGDIAL_DOWN: |
397 | case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED: |
398 | input_report_rel(dev: jog_dev, REL_WHEEL, value: -1); |
399 | input_sync(dev: jog_dev); |
400 | return; |
401 | |
402 | /* key_dev events */ |
403 | case SONYPI_EVENT_JOGDIAL_PRESSED: |
404 | kp.key = BTN_MIDDLE; |
405 | kp.dev = jog_dev; |
406 | break; |
407 | |
408 | default: |
409 | if (event >= ARRAY_SIZE(sony_laptop_input_index)) { |
410 | dprintk("sony_laptop_report_input_event, event not known: %d\n" , event); |
411 | break; |
412 | } |
413 | if ((scancode = sony_laptop_input_index[event]) != -1) { |
414 | kp.key = sony_laptop_input_keycode_map[scancode]; |
415 | if (kp.key != KEY_UNKNOWN) |
416 | kp.dev = key_dev; |
417 | } |
418 | break; |
419 | } |
420 | |
421 | if (kp.dev) { |
422 | /* if we have a scancode we emit it so we can always |
423 | remap the key */ |
424 | if (scancode != -1) |
425 | input_event(dev: kp.dev, EV_MSC, MSC_SCAN, value: scancode); |
426 | input_report_key(dev: kp.dev, code: kp.key, value: 1); |
427 | input_sync(dev: kp.dev); |
428 | |
429 | /* schedule key release */ |
430 | kfifo_in_locked(&sony_laptop_input.fifo, |
431 | (unsigned char *)&kp, sizeof(kp), |
432 | &sony_laptop_input.fifo_lock); |
433 | mod_timer(timer: &sony_laptop_input.release_key_timer, |
434 | expires: jiffies + msecs_to_jiffies(m: 10)); |
435 | } else |
436 | dprintk("unknown input event %.2x\n" , event); |
437 | } |
438 | |
439 | static int sony_laptop_setup_input(struct acpi_device *acpi_device) |
440 | { |
441 | struct input_dev *jog_dev; |
442 | struct input_dev *key_dev; |
443 | int i; |
444 | int error; |
445 | |
446 | /* don't run again if already initialized */ |
447 | if (atomic_add_return(i: 1, v: &sony_laptop_input.users) > 1) |
448 | return 0; |
449 | |
450 | /* kfifo */ |
451 | spin_lock_init(&sony_laptop_input.fifo_lock); |
452 | error = kfifo_alloc(&sony_laptop_input.fifo, |
453 | SONY_LAPTOP_BUF_SIZE, GFP_KERNEL); |
454 | if (error) { |
455 | pr_err("kfifo_alloc failed\n" ); |
456 | goto err_dec_users; |
457 | } |
458 | |
459 | timer_setup(&sony_laptop_input.release_key_timer, |
460 | do_sony_laptop_release_key, 0); |
461 | |
462 | /* input keys */ |
463 | key_dev = input_allocate_device(); |
464 | if (!key_dev) { |
465 | error = -ENOMEM; |
466 | goto err_free_kfifo; |
467 | } |
468 | |
469 | key_dev->name = "Sony Vaio Keys" ; |
470 | key_dev->id.bustype = BUS_ISA; |
471 | key_dev->id.vendor = PCI_VENDOR_ID_SONY; |
472 | key_dev->dev.parent = &acpi_device->dev; |
473 | |
474 | /* Initialize the Input Drivers: special keys */ |
475 | input_set_capability(dev: key_dev, EV_MSC, MSC_SCAN); |
476 | |
477 | __set_bit(EV_KEY, key_dev->evbit); |
478 | key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]); |
479 | key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map); |
480 | key_dev->keycode = &sony_laptop_input_keycode_map; |
481 | for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++) |
482 | __set_bit(sony_laptop_input_keycode_map[i], key_dev->keybit); |
483 | __clear_bit(KEY_RESERVED, key_dev->keybit); |
484 | |
485 | error = input_register_device(key_dev); |
486 | if (error) |
487 | goto err_free_keydev; |
488 | |
489 | sony_laptop_input.key_dev = key_dev; |
490 | |
491 | /* jogdial */ |
492 | jog_dev = input_allocate_device(); |
493 | if (!jog_dev) { |
494 | error = -ENOMEM; |
495 | goto err_unregister_keydev; |
496 | } |
497 | |
498 | jog_dev->name = "Sony Vaio Jogdial" ; |
499 | jog_dev->id.bustype = BUS_ISA; |
500 | jog_dev->id.vendor = PCI_VENDOR_ID_SONY; |
501 | jog_dev->dev.parent = &acpi_device->dev; |
502 | |
503 | input_set_capability(dev: jog_dev, EV_KEY, BTN_MIDDLE); |
504 | input_set_capability(dev: jog_dev, EV_REL, REL_WHEEL); |
505 | |
506 | error = input_register_device(jog_dev); |
507 | if (error) |
508 | goto err_free_jogdev; |
509 | |
510 | sony_laptop_input.jog_dev = jog_dev; |
511 | |
512 | return 0; |
513 | |
514 | err_free_jogdev: |
515 | input_free_device(dev: jog_dev); |
516 | |
517 | err_unregister_keydev: |
518 | input_unregister_device(key_dev); |
519 | /* to avoid kref underflow below at input_free_device */ |
520 | key_dev = NULL; |
521 | |
522 | err_free_keydev: |
523 | input_free_device(dev: key_dev); |
524 | |
525 | err_free_kfifo: |
526 | kfifo_free(&sony_laptop_input.fifo); |
527 | |
528 | err_dec_users: |
529 | atomic_dec(v: &sony_laptop_input.users); |
530 | return error; |
531 | } |
532 | |
533 | static void sony_laptop_remove_input(void) |
534 | { |
535 | struct sony_laptop_keypress kp = { NULL }; |
536 | |
537 | /* Cleanup only after the last user has gone */ |
538 | if (!atomic_dec_and_test(v: &sony_laptop_input.users)) |
539 | return; |
540 | |
541 | del_timer_sync(timer: &sony_laptop_input.release_key_timer); |
542 | |
543 | /* |
544 | * Generate key-up events for remaining keys. Note that we don't |
545 | * need locking since nobody is adding new events to the kfifo. |
546 | */ |
547 | while (kfifo_out(&sony_laptop_input.fifo, |
548 | (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) { |
549 | input_report_key(dev: kp.dev, code: kp.key, value: 0); |
550 | input_sync(dev: kp.dev); |
551 | } |
552 | |
553 | /* destroy input devs */ |
554 | input_unregister_device(sony_laptop_input.key_dev); |
555 | sony_laptop_input.key_dev = NULL; |
556 | |
557 | if (sony_laptop_input.jog_dev) { |
558 | input_unregister_device(sony_laptop_input.jog_dev); |
559 | sony_laptop_input.jog_dev = NULL; |
560 | } |
561 | |
562 | kfifo_free(&sony_laptop_input.fifo); |
563 | } |
564 | |
565 | /*********** Platform Device ***********/ |
566 | |
567 | static atomic_t sony_pf_users = ATOMIC_INIT(0); |
568 | static struct platform_driver sony_pf_driver = { |
569 | .driver = { |
570 | .name = "sony-laptop" , |
571 | } |
572 | }; |
573 | static struct platform_device *sony_pf_device; |
574 | |
575 | static int sony_pf_add(void) |
576 | { |
577 | int ret = 0; |
578 | |
579 | /* don't run again if already initialized */ |
580 | if (atomic_add_return(i: 1, v: &sony_pf_users) > 1) |
581 | return 0; |
582 | |
583 | ret = platform_driver_register(&sony_pf_driver); |
584 | if (ret) |
585 | goto out; |
586 | |
587 | sony_pf_device = platform_device_alloc(name: "sony-laptop" , PLATFORM_DEVID_NONE); |
588 | if (!sony_pf_device) { |
589 | ret = -ENOMEM; |
590 | goto out_platform_registered; |
591 | } |
592 | |
593 | ret = platform_device_add(pdev: sony_pf_device); |
594 | if (ret) |
595 | goto out_platform_alloced; |
596 | |
597 | return 0; |
598 | |
599 | out_platform_alloced: |
600 | platform_device_put(pdev: sony_pf_device); |
601 | sony_pf_device = NULL; |
602 | out_platform_registered: |
603 | platform_driver_unregister(&sony_pf_driver); |
604 | out: |
605 | atomic_dec(v: &sony_pf_users); |
606 | return ret; |
607 | } |
608 | |
609 | static void sony_pf_remove(void) |
610 | { |
611 | /* deregister only after the last user has gone */ |
612 | if (!atomic_dec_and_test(v: &sony_pf_users)) |
613 | return; |
614 | |
615 | platform_device_unregister(sony_pf_device); |
616 | platform_driver_unregister(&sony_pf_driver); |
617 | } |
618 | |
619 | /*********** SNC (SNY5001) Device ***********/ |
620 | |
621 | /* the device uses 1-based values, while the backlight subsystem uses |
622 | 0-based values */ |
623 | #define SONY_MAX_BRIGHTNESS 8 |
624 | |
625 | #define SNC_VALIDATE_IN 0 |
626 | #define SNC_VALIDATE_OUT 1 |
627 | |
628 | static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *, |
629 | char *); |
630 | static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *, |
631 | const char *, size_t); |
632 | static int boolean_validate(const int, const int); |
633 | static int brightness_default_validate(const int, const int); |
634 | |
635 | struct sony_nc_value { |
636 | char *name; /* name of the entry */ |
637 | char **acpiget; /* names of the ACPI get function */ |
638 | char **acpiset; /* names of the ACPI set function */ |
639 | int (*validate)(const int, const int); /* input/output validation */ |
640 | int value; /* current setting */ |
641 | int valid; /* Has ever been set */ |
642 | int debug; /* active only in debug mode ? */ |
643 | struct device_attribute devattr; /* sysfs attribute */ |
644 | }; |
645 | |
646 | #define SNC_HANDLE_NAMES(_name, _values...) \ |
647 | static char *snc_##_name[] = { _values, NULL } |
648 | |
649 | #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \ |
650 | { \ |
651 | .name = __stringify(_name), \ |
652 | .acpiget = _getters, \ |
653 | .acpiset = _setters, \ |
654 | .validate = _validate, \ |
655 | .debug = _debug, \ |
656 | .devattr = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \ |
657 | } |
658 | |
659 | #define SNC_HANDLE_NULL { .name = NULL } |
660 | |
661 | SNC_HANDLE_NAMES(fnkey_get, "GHKE" ); |
662 | |
663 | SNC_HANDLE_NAMES(brightness_def_get, "GPBR" ); |
664 | SNC_HANDLE_NAMES(brightness_def_set, "SPBR" ); |
665 | |
666 | SNC_HANDLE_NAMES(cdpower_get, "GCDP" ); |
667 | SNC_HANDLE_NAMES(cdpower_set, "SCDP" , "CDPW" ); |
668 | |
669 | SNC_HANDLE_NAMES(audiopower_get, "GAZP" ); |
670 | SNC_HANDLE_NAMES(audiopower_set, "AZPW" ); |
671 | |
672 | SNC_HANDLE_NAMES(lanpower_get, "GLNP" ); |
673 | SNC_HANDLE_NAMES(lanpower_set, "LNPW" ); |
674 | |
675 | SNC_HANDLE_NAMES(lidstate_get, "GLID" ); |
676 | |
677 | SNC_HANDLE_NAMES(indicatorlamp_get, "GILS" ); |
678 | SNC_HANDLE_NAMES(indicatorlamp_set, "SILS" ); |
679 | |
680 | SNC_HANDLE_NAMES(gainbass_get, "GMGB" ); |
681 | SNC_HANDLE_NAMES(gainbass_set, "CMGB" ); |
682 | |
683 | SNC_HANDLE_NAMES(PID_get, "GPID" ); |
684 | |
685 | SNC_HANDLE_NAMES(CTR_get, "GCTR" ); |
686 | SNC_HANDLE_NAMES(CTR_set, "SCTR" ); |
687 | |
688 | SNC_HANDLE_NAMES(PCR_get, "GPCR" ); |
689 | SNC_HANDLE_NAMES(PCR_set, "SPCR" ); |
690 | |
691 | SNC_HANDLE_NAMES(CMI_get, "GCMI" ); |
692 | SNC_HANDLE_NAMES(CMI_set, "SCMI" ); |
693 | |
694 | static struct sony_nc_value sony_nc_values[] = { |
695 | SNC_HANDLE(brightness_default, snc_brightness_def_get, |
696 | snc_brightness_def_set, brightness_default_validate, 0), |
697 | SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0), |
698 | SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0), |
699 | SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set, |
700 | boolean_validate, 0), |
701 | SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set, |
702 | boolean_validate, 1), |
703 | SNC_HANDLE(lidstate, snc_lidstate_get, NULL, |
704 | boolean_validate, 0), |
705 | SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set, |
706 | boolean_validate, 0), |
707 | SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set, |
708 | boolean_validate, 0), |
709 | /* unknown methods */ |
710 | SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1), |
711 | SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1), |
712 | SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1), |
713 | SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1), |
714 | SNC_HANDLE_NULL |
715 | }; |
716 | |
717 | static acpi_handle sony_nc_acpi_handle; |
718 | static struct acpi_device *sony_nc_acpi_device = NULL; |
719 | |
720 | /* |
721 | * acpi_evaluate_object wrappers |
722 | * all useful calls into SNC methods take one or zero parameters and return |
723 | * integers or arrays. |
724 | */ |
725 | static union acpi_object *__call_snc_method(acpi_handle handle, char *method, |
726 | u64 *value) |
727 | { |
728 | union acpi_object *result = NULL; |
729 | struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; |
730 | acpi_status status; |
731 | |
732 | if (value) { |
733 | struct acpi_object_list params; |
734 | union acpi_object in; |
735 | in.type = ACPI_TYPE_INTEGER; |
736 | in.integer.value = *value; |
737 | params.count = 1; |
738 | params.pointer = ∈ |
739 | status = acpi_evaluate_object(object: handle, pathname: method, parameter_objects: ¶ms, return_object_buffer: &output); |
740 | dprintk("__call_snc_method: [%s:0x%.8x%.8x]\n" , method, |
741 | (unsigned int)(*value >> 32), |
742 | (unsigned int)*value & 0xffffffff); |
743 | } else { |
744 | status = acpi_evaluate_object(object: handle, pathname: method, NULL, return_object_buffer: &output); |
745 | dprintk("__call_snc_method: [%s]\n" , method); |
746 | } |
747 | |
748 | if (ACPI_FAILURE(status)) { |
749 | pr_err("Failed to evaluate [%s]\n" , method); |
750 | return NULL; |
751 | } |
752 | |
753 | result = (union acpi_object *) output.pointer; |
754 | if (!result) |
755 | dprintk("No return object [%s]\n" , method); |
756 | |
757 | return result; |
758 | } |
759 | |
760 | #define MIN(a, b) (a > b ? b : a) |
761 | static int sony_nc_buffer_call(acpi_handle handle, char *name, u64 *value, |
762 | void *buffer, size_t buflen) |
763 | { |
764 | int ret = 0; |
765 | size_t len; |
766 | union acpi_object *object = __call_snc_method(handle, method: name, value); |
767 | |
768 | if (!object) |
769 | return -EINVAL; |
770 | |
771 | if (!buffer) { |
772 | /* do nothing */ |
773 | } else if (object->type == ACPI_TYPE_BUFFER) { |
774 | len = MIN(buflen, object->buffer.length); |
775 | memset(buffer, 0, buflen); |
776 | memcpy(buffer, object->buffer.pointer, len); |
777 | |
778 | } else if (object->type == ACPI_TYPE_INTEGER) { |
779 | len = MIN(buflen, sizeof(object->integer.value)); |
780 | memset(buffer, 0, buflen); |
781 | memcpy(buffer, &object->integer.value, len); |
782 | |
783 | } else { |
784 | pr_warn("Unexpected acpi_object: 0x%x\n" , object->type); |
785 | ret = -EINVAL; |
786 | } |
787 | |
788 | kfree(objp: object); |
789 | return ret; |
790 | } |
791 | |
792 | static int sony_nc_int_call(acpi_handle handle, char *name, int *value, int |
793 | *result) |
794 | { |
795 | int ret; |
796 | |
797 | if (value) { |
798 | u64 v = *value; |
799 | |
800 | ret = sony_nc_buffer_call(handle, name, value: &v, buffer: result, |
801 | buflen: sizeof(*result)); |
802 | } else { |
803 | ret = sony_nc_buffer_call(handle, name, NULL, buffer: result, |
804 | buflen: sizeof(*result)); |
805 | } |
806 | return ret; |
807 | } |
808 | |
809 | struct sony_nc_handles { |
810 | u16 cap[0x10]; |
811 | struct device_attribute devattr; |
812 | }; |
813 | |
814 | static struct sony_nc_handles *handles; |
815 | |
816 | static ssize_t sony_nc_handles_show(struct device *dev, |
817 | struct device_attribute *attr, char *buffer) |
818 | { |
819 | ssize_t len = 0; |
820 | int i; |
821 | |
822 | for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { |
823 | len += sysfs_emit_at(buf: buffer, at: len, fmt: "0x%.4x " , handles->cap[i]); |
824 | } |
825 | len += sysfs_emit_at(buf: buffer, at: len, fmt: "\n" ); |
826 | |
827 | return len; |
828 | } |
829 | |
830 | static int sony_nc_handles_setup(struct platform_device *pd) |
831 | { |
832 | int i, r, result, arg; |
833 | |
834 | handles = kzalloc(size: sizeof(*handles), GFP_KERNEL); |
835 | if (!handles) |
836 | return -ENOMEM; |
837 | |
838 | for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { |
839 | arg = i + 0x20; |
840 | r = sony_nc_int_call(handle: sony_nc_acpi_handle, name: "SN00" , value: &arg, |
841 | result: &result); |
842 | if (!r) { |
843 | dprintk("caching handle 0x%.4x (offset: 0x%.2x)\n" , |
844 | result, i); |
845 | handles->cap[i] = result; |
846 | } |
847 | } |
848 | |
849 | if (debug) { |
850 | sysfs_attr_init(&handles->devattr.attr); |
851 | handles->devattr.attr.name = "handles" ; |
852 | handles->devattr.attr.mode = S_IRUGO; |
853 | handles->devattr.show = sony_nc_handles_show; |
854 | |
855 | /* allow reading capabilities via sysfs */ |
856 | if (device_create_file(device: &pd->dev, entry: &handles->devattr)) { |
857 | kfree(objp: handles); |
858 | handles = NULL; |
859 | return -1; |
860 | } |
861 | } |
862 | |
863 | return 0; |
864 | } |
865 | |
866 | static int sony_nc_handles_cleanup(struct platform_device *pd) |
867 | { |
868 | if (handles) { |
869 | if (debug) |
870 | device_remove_file(dev: &pd->dev, attr: &handles->devattr); |
871 | kfree(objp: handles); |
872 | handles = NULL; |
873 | } |
874 | return 0; |
875 | } |
876 | |
877 | static int sony_find_snc_handle(int handle) |
878 | { |
879 | int i; |
880 | |
881 | /* not initialized yet, return early */ |
882 | if (!handles || !handle) |
883 | return -EINVAL; |
884 | |
885 | for (i = 0; i < 0x10; i++) { |
886 | if (handles->cap[i] == handle) { |
887 | dprintk("found handle 0x%.4x (offset: 0x%.2x)\n" , |
888 | handle, i); |
889 | return i; |
890 | } |
891 | } |
892 | dprintk("handle 0x%.4x not found\n" , handle); |
893 | return -EINVAL; |
894 | } |
895 | |
896 | static int sony_call_snc_handle(int handle, int argument, int *result) |
897 | { |
898 | int arg, ret = 0; |
899 | int offset = sony_find_snc_handle(handle); |
900 | |
901 | if (offset < 0) |
902 | return offset; |
903 | |
904 | arg = offset | argument; |
905 | ret = sony_nc_int_call(handle: sony_nc_acpi_handle, name: "SN07" , value: &arg, result); |
906 | dprintk("called SN07 with 0x%.4x (result: 0x%.4x)\n" , arg, *result); |
907 | return ret; |
908 | } |
909 | |
910 | /* |
911 | * sony_nc_values input/output validate functions |
912 | */ |
913 | |
914 | /* brightness_default_validate: |
915 | * |
916 | * manipulate input output values to keep consistency with the |
917 | * backlight framework for which brightness values are 0-based. |
918 | */ |
919 | static int brightness_default_validate(const int direction, const int value) |
920 | { |
921 | switch (direction) { |
922 | case SNC_VALIDATE_OUT: |
923 | return value - 1; |
924 | case SNC_VALIDATE_IN: |
925 | if (value >= 0 && value < SONY_MAX_BRIGHTNESS) |
926 | return value + 1; |
927 | } |
928 | return -EINVAL; |
929 | } |
930 | |
931 | /* boolean_validate: |
932 | * |
933 | * on input validate boolean values 0/1, on output just pass the |
934 | * received value. |
935 | */ |
936 | static int boolean_validate(const int direction, const int value) |
937 | { |
938 | if (direction == SNC_VALIDATE_IN) { |
939 | if (value != 0 && value != 1) |
940 | return -EINVAL; |
941 | } |
942 | return value; |
943 | } |
944 | |
945 | /* |
946 | * Sysfs show/store common to all sony_nc_values |
947 | */ |
948 | static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr, |
949 | char *buffer) |
950 | { |
951 | int value, ret = 0; |
952 | struct sony_nc_value *item = |
953 | container_of(attr, struct sony_nc_value, devattr); |
954 | |
955 | if (!*item->acpiget) |
956 | return -EIO; |
957 | |
958 | ret = sony_nc_int_call(handle: sony_nc_acpi_handle, name: *item->acpiget, NULL, |
959 | result: &value); |
960 | if (ret < 0) |
961 | return -EIO; |
962 | |
963 | if (item->validate) |
964 | value = item->validate(SNC_VALIDATE_OUT, value); |
965 | |
966 | return sysfs_emit(buf: buffer, fmt: "%d\n" , value); |
967 | } |
968 | |
969 | static ssize_t sony_nc_sysfs_store(struct device *dev, |
970 | struct device_attribute *attr, |
971 | const char *buffer, size_t count) |
972 | { |
973 | int value; |
974 | int ret = 0; |
975 | struct sony_nc_value *item = |
976 | container_of(attr, struct sony_nc_value, devattr); |
977 | |
978 | if (!item->acpiset) |
979 | return -EIO; |
980 | |
981 | if (count > 31) |
982 | return -EINVAL; |
983 | |
984 | if (kstrtoint(s: buffer, base: 10, res: &value)) |
985 | return -EINVAL; |
986 | |
987 | if (item->validate) |
988 | value = item->validate(SNC_VALIDATE_IN, value); |
989 | |
990 | if (value < 0) |
991 | return value; |
992 | |
993 | ret = sony_nc_int_call(handle: sony_nc_acpi_handle, name: *item->acpiset, |
994 | value: &value, NULL); |
995 | if (ret < 0) |
996 | return -EIO; |
997 | |
998 | item->value = value; |
999 | item->valid = 1; |
1000 | return count; |
1001 | } |
1002 | |
1003 | |
1004 | /* |
1005 | * Backlight device |
1006 | */ |
1007 | struct sony_backlight_props { |
1008 | struct backlight_device *dev; |
1009 | int handle; |
1010 | int cmd_base; |
1011 | u8 offset; |
1012 | u8 maxlvl; |
1013 | }; |
1014 | static struct sony_backlight_props sony_bl_props; |
1015 | |
1016 | static int sony_backlight_update_status(struct backlight_device *bd) |
1017 | { |
1018 | int arg = bd->props.brightness + 1; |
1019 | return sony_nc_int_call(handle: sony_nc_acpi_handle, name: "SBRT" , value: &arg, NULL); |
1020 | } |
1021 | |
1022 | static int sony_backlight_get_brightness(struct backlight_device *bd) |
1023 | { |
1024 | int value; |
1025 | |
1026 | if (sony_nc_int_call(handle: sony_nc_acpi_handle, name: "GBRT" , NULL, result: &value)) |
1027 | return 0; |
1028 | /* brightness levels are 1-based, while backlight ones are 0-based */ |
1029 | return value - 1; |
1030 | } |
1031 | |
1032 | static int sony_nc_get_brightness_ng(struct backlight_device *bd) |
1033 | { |
1034 | int result; |
1035 | struct sony_backlight_props *sdev = |
1036 | (struct sony_backlight_props *)bl_get_data(bl_dev: bd); |
1037 | |
1038 | sony_call_snc_handle(handle: sdev->handle, argument: sdev->cmd_base + 0x100, result: &result); |
1039 | |
1040 | return (result & 0xff) - sdev->offset; |
1041 | } |
1042 | |
1043 | static int sony_nc_update_status_ng(struct backlight_device *bd) |
1044 | { |
1045 | int value, result; |
1046 | struct sony_backlight_props *sdev = |
1047 | (struct sony_backlight_props *)bl_get_data(bl_dev: bd); |
1048 | |
1049 | value = bd->props.brightness + sdev->offset; |
1050 | if (sony_call_snc_handle(handle: sdev->handle, argument: sdev->cmd_base | (value << 0x10), |
1051 | result: &result)) |
1052 | return -EIO; |
1053 | |
1054 | return value; |
1055 | } |
1056 | |
1057 | static const struct backlight_ops sony_backlight_ops = { |
1058 | .options = BL_CORE_SUSPENDRESUME, |
1059 | .update_status = sony_backlight_update_status, |
1060 | .get_brightness = sony_backlight_get_brightness, |
1061 | }; |
1062 | static const struct backlight_ops sony_backlight_ng_ops = { |
1063 | .options = BL_CORE_SUSPENDRESUME, |
1064 | .update_status = sony_nc_update_status_ng, |
1065 | .get_brightness = sony_nc_get_brightness_ng, |
1066 | }; |
1067 | |
1068 | /* |
1069 | * New SNC-only Vaios event mapping to driver known keys |
1070 | */ |
1071 | struct sony_nc_event { |
1072 | u8 data; |
1073 | u8 event; |
1074 | }; |
1075 | |
1076 | static struct sony_nc_event sony_100_events[] = { |
1077 | { 0x90, SONYPI_EVENT_PKEY_P1 }, |
1078 | { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED }, |
1079 | { 0x91, SONYPI_EVENT_PKEY_P2 }, |
1080 | { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED }, |
1081 | { 0x81, SONYPI_EVENT_FNKEY_F1 }, |
1082 | { 0x01, SONYPI_EVENT_FNKEY_RELEASED }, |
1083 | { 0x82, SONYPI_EVENT_FNKEY_F2 }, |
1084 | { 0x02, SONYPI_EVENT_FNKEY_RELEASED }, |
1085 | { 0x83, SONYPI_EVENT_FNKEY_F3 }, |
1086 | { 0x03, SONYPI_EVENT_FNKEY_RELEASED }, |
1087 | { 0x84, SONYPI_EVENT_FNKEY_F4 }, |
1088 | { 0x04, SONYPI_EVENT_FNKEY_RELEASED }, |
1089 | { 0x85, SONYPI_EVENT_FNKEY_F5 }, |
1090 | { 0x05, SONYPI_EVENT_FNKEY_RELEASED }, |
1091 | { 0x86, SONYPI_EVENT_FNKEY_F6 }, |
1092 | { 0x06, SONYPI_EVENT_FNKEY_RELEASED }, |
1093 | { 0x87, SONYPI_EVENT_FNKEY_F7 }, |
1094 | { 0x07, SONYPI_EVENT_FNKEY_RELEASED }, |
1095 | { 0x88, SONYPI_EVENT_FNKEY_F8 }, |
1096 | { 0x08, SONYPI_EVENT_FNKEY_RELEASED }, |
1097 | { 0x89, SONYPI_EVENT_FNKEY_F9 }, |
1098 | { 0x09, SONYPI_EVENT_FNKEY_RELEASED }, |
1099 | { 0x8A, SONYPI_EVENT_FNKEY_F10 }, |
1100 | { 0x0A, SONYPI_EVENT_FNKEY_RELEASED }, |
1101 | { 0x8B, SONYPI_EVENT_FNKEY_F11 }, |
1102 | { 0x0B, SONYPI_EVENT_FNKEY_RELEASED }, |
1103 | { 0x8C, SONYPI_EVENT_FNKEY_F12 }, |
1104 | { 0x0C, SONYPI_EVENT_FNKEY_RELEASED }, |
1105 | { 0x9d, SONYPI_EVENT_ZOOM_PRESSED }, |
1106 | { 0x1d, SONYPI_EVENT_ANYBUTTON_RELEASED }, |
1107 | { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED }, |
1108 | { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED }, |
1109 | { 0xa1, SONYPI_EVENT_MEDIA_PRESSED }, |
1110 | { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED }, |
1111 | { 0xa4, SONYPI_EVENT_CD_EJECT_PRESSED }, |
1112 | { 0x24, SONYPI_EVENT_ANYBUTTON_RELEASED }, |
1113 | { 0xa5, SONYPI_EVENT_VENDOR_PRESSED }, |
1114 | { 0x25, SONYPI_EVENT_ANYBUTTON_RELEASED }, |
1115 | { 0xa6, SONYPI_EVENT_HELP_PRESSED }, |
1116 | { 0x26, SONYPI_EVENT_ANYBUTTON_RELEASED }, |
1117 | { 0xa8, SONYPI_EVENT_FNKEY_1 }, |
1118 | { 0x28, SONYPI_EVENT_ANYBUTTON_RELEASED }, |
1119 | { 0, 0 }, |
1120 | }; |
1121 | |
1122 | static struct sony_nc_event sony_127_events[] = { |
1123 | { 0x81, SONYPI_EVENT_MODEKEY_PRESSED }, |
1124 | { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED }, |
1125 | { 0x82, SONYPI_EVENT_PKEY_P1 }, |
1126 | { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED }, |
1127 | { 0x83, SONYPI_EVENT_PKEY_P2 }, |
1128 | { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED }, |
1129 | { 0x84, SONYPI_EVENT_PKEY_P3 }, |
1130 | { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED }, |
1131 | { 0x85, SONYPI_EVENT_PKEY_P4 }, |
1132 | { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED }, |
1133 | { 0x86, SONYPI_EVENT_PKEY_P5 }, |
1134 | { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED }, |
1135 | { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED }, |
1136 | { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED }, |
1137 | { 0, 0 }, |
1138 | }; |
1139 | |
1140 | static int sony_nc_hotkeys_decode(u32 event, unsigned int handle) |
1141 | { |
1142 | int ret = -EINVAL; |
1143 | unsigned int result = 0; |
1144 | struct sony_nc_event *key_event; |
1145 | |
1146 | if (sony_call_snc_handle(handle, argument: 0x200, result: &result)) { |
1147 | dprintk("Unable to decode event 0x%.2x 0x%.2x\n" , handle, |
1148 | event); |
1149 | return -EINVAL; |
1150 | } |
1151 | |
1152 | result &= 0xFF; |
1153 | |
1154 | if (handle == 0x0100) |
1155 | key_event = sony_100_events; |
1156 | else |
1157 | key_event = sony_127_events; |
1158 | |
1159 | for (; key_event->data; key_event++) { |
1160 | if (key_event->data == result) { |
1161 | ret = key_event->event; |
1162 | break; |
1163 | } |
1164 | } |
1165 | |
1166 | if (!key_event->data) |
1167 | pr_info("Unknown hotkey 0x%.2x/0x%.2x (handle 0x%.2x)\n" , |
1168 | event, result, handle); |
1169 | |
1170 | return ret; |
1171 | } |
1172 | |
1173 | /* |
1174 | * ACPI callbacks |
1175 | */ |
1176 | enum event_types { |
1177 | HOTKEY = 1, |
1178 | KILLSWITCH, |
1179 | GFX_SWITCH |
1180 | }; |
1181 | static void sony_nc_notify(struct acpi_device *device, u32 event) |
1182 | { |
1183 | u32 real_ev = event; |
1184 | u8 ev_type = 0; |
1185 | int ret; |
1186 | |
1187 | dprintk("sony_nc_notify, event: 0x%.2x\n" , event); |
1188 | |
1189 | if (event >= 0x90) { |
1190 | unsigned int result = 0; |
1191 | unsigned int arg = 0; |
1192 | unsigned int handle = 0; |
1193 | unsigned int offset = event - 0x90; |
1194 | |
1195 | if (offset >= ARRAY_SIZE(handles->cap)) { |
1196 | pr_err("Event 0x%x outside of capabilities list\n" , |
1197 | event); |
1198 | return; |
1199 | } |
1200 | handle = handles->cap[offset]; |
1201 | |
1202 | /* list of handles known for generating events */ |
1203 | switch (handle) { |
1204 | /* hotkey event */ |
1205 | case 0x0100: |
1206 | case 0x0127: |
1207 | ev_type = HOTKEY; |
1208 | ret = sony_nc_hotkeys_decode(event, handle); |
1209 | |
1210 | if (ret > 0) { |
1211 | sony_laptop_report_input_event(event: ret); |
1212 | real_ev = ret; |
1213 | } |
1214 | |
1215 | break; |
1216 | |
1217 | /* wlan switch */ |
1218 | case 0x0124: |
1219 | case 0x0135: |
1220 | /* events on this handle are reported when the |
1221 | * switch changes position or for battery |
1222 | * events. We'll notify both of them but only |
1223 | * update the rfkill device status when the |
1224 | * switch is moved. |
1225 | */ |
1226 | ev_type = KILLSWITCH; |
1227 | sony_call_snc_handle(handle, argument: 0x0100, result: &result); |
1228 | real_ev = result & 0x03; |
1229 | |
1230 | /* hw switch event */ |
1231 | if (real_ev == 1) |
1232 | sony_nc_rfkill_update(); |
1233 | |
1234 | break; |
1235 | |
1236 | case 0x0128: |
1237 | case 0x0146: |
1238 | /* Hybrid GFX switching */ |
1239 | sony_call_snc_handle(handle, argument: 0x0000, result: &result); |
1240 | dprintk("GFX switch event received (reason: %s)\n" , |
1241 | (result == 0x1) ? "switch change" : |
1242 | (result == 0x2) ? "output switch" : |
1243 | (result == 0x3) ? "output switch" : |
1244 | "" ); |
1245 | |
1246 | ev_type = GFX_SWITCH; |
1247 | real_ev = __sony_nc_gfx_switch_status_get(); |
1248 | break; |
1249 | |
1250 | case 0x015B: |
1251 | /* Hybrid GFX switching SVS151290S */ |
1252 | ev_type = GFX_SWITCH; |
1253 | real_ev = __sony_nc_gfx_switch_status_get(); |
1254 | break; |
1255 | default: |
1256 | dprintk("Unknown event 0x%x for handle 0x%x\n" , |
1257 | event, handle); |
1258 | break; |
1259 | } |
1260 | |
1261 | /* clear the event (and the event reason when present) */ |
1262 | arg = 1 << offset; |
1263 | sony_nc_int_call(handle: sony_nc_acpi_handle, name: "SN05" , value: &arg, result: &result); |
1264 | |
1265 | } else { |
1266 | /* old style event */ |
1267 | ev_type = HOTKEY; |
1268 | sony_laptop_report_input_event(event: real_ev); |
1269 | } |
1270 | acpi_bus_generate_netlink_event(sony_nc_acpi_device->pnp.device_class, |
1271 | dev_name(dev: &sony_nc_acpi_device->dev), ev_type, real_ev); |
1272 | } |
1273 | |
1274 | static acpi_status sony_walk_callback(acpi_handle handle, u32 level, |
1275 | void *context, void **return_value) |
1276 | { |
1277 | struct acpi_device_info *info; |
1278 | |
1279 | if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) { |
1280 | pr_warn("method: name: %4.4s, args %X\n" , |
1281 | (char *)&info->name, info->param_count); |
1282 | |
1283 | kfree(objp: info); |
1284 | } |
1285 | |
1286 | return AE_OK; |
1287 | } |
1288 | |
1289 | /* |
1290 | * ACPI device |
1291 | */ |
1292 | static void sony_nc_function_setup(struct acpi_device *device, |
1293 | struct platform_device *pf_device) |
1294 | { |
1295 | unsigned int i, result, bitmask, arg; |
1296 | |
1297 | if (!handles) |
1298 | return; |
1299 | |
1300 | /* setup found handles here */ |
1301 | for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { |
1302 | unsigned int handle = handles->cap[i]; |
1303 | |
1304 | if (!handle) |
1305 | continue; |
1306 | |
1307 | dprintk("setting up handle 0x%.4x\n" , handle); |
1308 | |
1309 | switch (handle) { |
1310 | case 0x0100: |
1311 | case 0x0101: |
1312 | case 0x0127: |
1313 | /* setup hotkeys */ |
1314 | sony_call_snc_handle(handle, argument: 0, result: &result); |
1315 | break; |
1316 | case 0x0102: |
1317 | /* setup hotkeys */ |
1318 | sony_call_snc_handle(handle, argument: 0x100, result: &result); |
1319 | break; |
1320 | case 0x0105: |
1321 | case 0x0148: |
1322 | /* touchpad enable/disable */ |
1323 | result = sony_nc_touchpad_setup(pd: pf_device, handle); |
1324 | if (result) |
1325 | pr_err("couldn't set up touchpad control function (%d)\n" , |
1326 | result); |
1327 | break; |
1328 | case 0x0115: |
1329 | case 0x0136: |
1330 | case 0x013f: |
1331 | result = sony_nc_battery_care_setup(pd: pf_device, handle); |
1332 | if (result) |
1333 | pr_err("couldn't set up battery care function (%d)\n" , |
1334 | result); |
1335 | break; |
1336 | case 0x0119: |
1337 | case 0x015D: |
1338 | result = sony_nc_lid_resume_setup(pd: pf_device, handle); |
1339 | if (result) |
1340 | pr_err("couldn't set up lid resume function (%d)\n" , |
1341 | result); |
1342 | break; |
1343 | case 0x0122: |
1344 | result = sony_nc_thermal_setup(pd: pf_device); |
1345 | if (result) |
1346 | pr_err("couldn't set up thermal profile function (%d)\n" , |
1347 | result); |
1348 | break; |
1349 | case 0x0128: |
1350 | case 0x0146: |
1351 | case 0x015B: |
1352 | result = sony_nc_gfx_switch_setup(pd: pf_device, handle); |
1353 | if (result) |
1354 | pr_err("couldn't set up GFX Switch status (%d)\n" , |
1355 | result); |
1356 | break; |
1357 | case 0x0131: |
1358 | result = sony_nc_highspeed_charging_setup(pd: pf_device); |
1359 | if (result) |
1360 | pr_err("couldn't set up high speed charging function (%d)\n" , |
1361 | result); |
1362 | break; |
1363 | case 0x0124: |
1364 | case 0x0135: |
1365 | result = sony_nc_rfkill_setup(device, handle); |
1366 | if (result) |
1367 | pr_err("couldn't set up rfkill support (%d)\n" , |
1368 | result); |
1369 | break; |
1370 | case 0x0137: |
1371 | case 0x0143: |
1372 | case 0x014b: |
1373 | case 0x014c: |
1374 | case 0x0153: |
1375 | case 0x0163: |
1376 | result = sony_nc_kbd_backlight_setup(pd: pf_device, handle); |
1377 | if (result) |
1378 | pr_err("couldn't set up keyboard backlight function (%d)\n" , |
1379 | result); |
1380 | break; |
1381 | case 0x0121: |
1382 | result = sony_nc_lowbatt_setup(pd: pf_device); |
1383 | if (result) |
1384 | pr_err("couldn't set up low battery function (%d)\n" , |
1385 | result); |
1386 | break; |
1387 | case 0x0149: |
1388 | result = sony_nc_fanspeed_setup(pd: pf_device); |
1389 | if (result) |
1390 | pr_err("couldn't set up fan speed function (%d)\n" , |
1391 | result); |
1392 | break; |
1393 | case 0x0155: |
1394 | result = sony_nc_usb_charge_setup(pd: pf_device); |
1395 | if (result) |
1396 | pr_err("couldn't set up USB charge support (%d)\n" , |
1397 | result); |
1398 | break; |
1399 | case 0x011D: |
1400 | result = sony_nc_panelid_setup(pd: pf_device); |
1401 | if (result) |
1402 | pr_err("couldn't set up panel ID function (%d)\n" , |
1403 | result); |
1404 | break; |
1405 | case 0x0168: |
1406 | result = sony_nc_smart_conn_setup(pd: pf_device); |
1407 | if (result) |
1408 | pr_err("couldn't set up smart connect support (%d)\n" , |
1409 | result); |
1410 | break; |
1411 | default: |
1412 | continue; |
1413 | } |
1414 | } |
1415 | |
1416 | /* Enable all events */ |
1417 | arg = 0x10; |
1418 | if (!sony_nc_int_call(handle: sony_nc_acpi_handle, name: "SN00" , value: &arg, result: &bitmask)) |
1419 | sony_nc_int_call(handle: sony_nc_acpi_handle, name: "SN02" , value: &bitmask, |
1420 | result: &result); |
1421 | } |
1422 | |
1423 | static void sony_nc_function_cleanup(struct platform_device *pd) |
1424 | { |
1425 | unsigned int i, result, bitmask, handle; |
1426 | |
1427 | if (!handles) |
1428 | return; |
1429 | |
1430 | /* get enabled events and disable them */ |
1431 | sony_nc_int_call(handle: sony_nc_acpi_handle, name: "SN01" , NULL, result: &bitmask); |
1432 | sony_nc_int_call(handle: sony_nc_acpi_handle, name: "SN03" , value: &bitmask, result: &result); |
1433 | |
1434 | /* cleanup handles here */ |
1435 | for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { |
1436 | |
1437 | handle = handles->cap[i]; |
1438 | |
1439 | if (!handle) |
1440 | continue; |
1441 | |
1442 | switch (handle) { |
1443 | case 0x0105: |
1444 | case 0x0148: |
1445 | sony_nc_touchpad_cleanup(pd); |
1446 | break; |
1447 | case 0x0115: |
1448 | case 0x0136: |
1449 | case 0x013f: |
1450 | sony_nc_battery_care_cleanup(pd); |
1451 | break; |
1452 | case 0x0119: |
1453 | case 0x015D: |
1454 | sony_nc_lid_resume_cleanup(pd); |
1455 | break; |
1456 | case 0x0122: |
1457 | sony_nc_thermal_cleanup(pd); |
1458 | break; |
1459 | case 0x0128: |
1460 | case 0x0146: |
1461 | case 0x015B: |
1462 | sony_nc_gfx_switch_cleanup(pd); |
1463 | break; |
1464 | case 0x0131: |
1465 | sony_nc_highspeed_charging_cleanup(pd); |
1466 | break; |
1467 | case 0x0124: |
1468 | case 0x0135: |
1469 | sony_nc_rfkill_cleanup(); |
1470 | break; |
1471 | case 0x0137: |
1472 | case 0x0143: |
1473 | case 0x014b: |
1474 | case 0x014c: |
1475 | case 0x0153: |
1476 | case 0x0163: |
1477 | sony_nc_kbd_backlight_cleanup(pd, handle); |
1478 | break; |
1479 | case 0x0121: |
1480 | sony_nc_lowbatt_cleanup(pd); |
1481 | break; |
1482 | case 0x0149: |
1483 | sony_nc_fanspeed_cleanup(pd); |
1484 | break; |
1485 | case 0x0155: |
1486 | sony_nc_usb_charge_cleanup(pd); |
1487 | break; |
1488 | case 0x011D: |
1489 | sony_nc_panelid_cleanup(pd); |
1490 | break; |
1491 | case 0x0168: |
1492 | sony_nc_smart_conn_cleanup(pd); |
1493 | break; |
1494 | default: |
1495 | continue; |
1496 | } |
1497 | } |
1498 | |
1499 | /* finally cleanup the handles list */ |
1500 | sony_nc_handles_cleanup(pd); |
1501 | } |
1502 | |
1503 | #ifdef CONFIG_PM_SLEEP |
1504 | static void sony_nc_function_resume(void) |
1505 | { |
1506 | unsigned int i, result, bitmask, arg; |
1507 | |
1508 | dprintk("Resuming SNC device\n" ); |
1509 | |
1510 | for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { |
1511 | unsigned int handle = handles->cap[i]; |
1512 | |
1513 | if (!handle) |
1514 | continue; |
1515 | |
1516 | switch (handle) { |
1517 | case 0x0100: |
1518 | case 0x0101: |
1519 | case 0x0127: |
1520 | /* re-enable hotkeys */ |
1521 | sony_call_snc_handle(handle, argument: 0, result: &result); |
1522 | break; |
1523 | case 0x0102: |
1524 | /* re-enable hotkeys */ |
1525 | sony_call_snc_handle(handle, argument: 0x100, result: &result); |
1526 | break; |
1527 | case 0x0122: |
1528 | sony_nc_thermal_resume(); |
1529 | break; |
1530 | case 0x0124: |
1531 | case 0x0135: |
1532 | sony_nc_rfkill_update(); |
1533 | break; |
1534 | default: |
1535 | continue; |
1536 | } |
1537 | } |
1538 | |
1539 | /* Enable all events */ |
1540 | arg = 0x10; |
1541 | if (!sony_nc_int_call(handle: sony_nc_acpi_handle, name: "SN00" , value: &arg, result: &bitmask)) |
1542 | sony_nc_int_call(handle: sony_nc_acpi_handle, name: "SN02" , value: &bitmask, |
1543 | result: &result); |
1544 | } |
1545 | |
1546 | static int sony_nc_resume(struct device *dev) |
1547 | { |
1548 | struct sony_nc_value *item; |
1549 | |
1550 | for (item = sony_nc_values; item->name; item++) { |
1551 | int ret; |
1552 | |
1553 | if (!item->valid) |
1554 | continue; |
1555 | ret = sony_nc_int_call(handle: sony_nc_acpi_handle, name: *item->acpiset, |
1556 | value: &item->value, NULL); |
1557 | if (ret < 0) { |
1558 | pr_err("%s: %d\n" , __func__, ret); |
1559 | break; |
1560 | } |
1561 | } |
1562 | |
1563 | if (acpi_has_method(handle: sony_nc_acpi_handle, name: "ECON" )) { |
1564 | int arg = 1; |
1565 | if (sony_nc_int_call(handle: sony_nc_acpi_handle, name: "ECON" , value: &arg, NULL)) |
1566 | dprintk("ECON Method failed\n" ); |
1567 | } |
1568 | |
1569 | if (acpi_has_method(handle: sony_nc_acpi_handle, name: "SN00" )) |
1570 | sony_nc_function_resume(); |
1571 | |
1572 | return 0; |
1573 | } |
1574 | #endif |
1575 | |
1576 | static SIMPLE_DEV_PM_OPS(sony_nc_pm, NULL, sony_nc_resume); |
1577 | |
1578 | static void sony_nc_rfkill_cleanup(void) |
1579 | { |
1580 | int i; |
1581 | |
1582 | for (i = 0; i < N_SONY_RFKILL; i++) { |
1583 | if (sony_rfkill_devices[i]) { |
1584 | rfkill_unregister(rfkill: sony_rfkill_devices[i]); |
1585 | rfkill_destroy(rfkill: sony_rfkill_devices[i]); |
1586 | } |
1587 | } |
1588 | } |
1589 | |
1590 | static int sony_nc_rfkill_set(void *data, bool blocked) |
1591 | { |
1592 | int result; |
1593 | int argument = sony_rfkill_address[(long) data] + 0x100; |
1594 | |
1595 | if (!blocked) |
1596 | argument |= 0x070000; |
1597 | |
1598 | return sony_call_snc_handle(handle: sony_rfkill_handle, argument, result: &result); |
1599 | } |
1600 | |
1601 | static const struct rfkill_ops sony_rfkill_ops = { |
1602 | .set_block = sony_nc_rfkill_set, |
1603 | }; |
1604 | |
1605 | static int sony_nc_setup_rfkill(struct acpi_device *device, |
1606 | enum sony_nc_rfkill nc_type) |
1607 | { |
1608 | int err; |
1609 | struct rfkill *rfk; |
1610 | enum rfkill_type type; |
1611 | const char *name; |
1612 | int result; |
1613 | bool hwblock, swblock; |
1614 | |
1615 | switch (nc_type) { |
1616 | case SONY_WIFI: |
1617 | type = RFKILL_TYPE_WLAN; |
1618 | name = "sony-wifi" ; |
1619 | break; |
1620 | case SONY_BLUETOOTH: |
1621 | type = RFKILL_TYPE_BLUETOOTH; |
1622 | name = "sony-bluetooth" ; |
1623 | break; |
1624 | case SONY_WWAN: |
1625 | type = RFKILL_TYPE_WWAN; |
1626 | name = "sony-wwan" ; |
1627 | break; |
1628 | case SONY_WIMAX: |
1629 | type = RFKILL_TYPE_WIMAX; |
1630 | name = "sony-wimax" ; |
1631 | break; |
1632 | default: |
1633 | return -EINVAL; |
1634 | } |
1635 | |
1636 | rfk = rfkill_alloc(name, parent: &device->dev, type, |
1637 | ops: &sony_rfkill_ops, ops_data: (void *)nc_type); |
1638 | if (!rfk) |
1639 | return -ENOMEM; |
1640 | |
1641 | err = sony_call_snc_handle(handle: sony_rfkill_handle, argument: 0x200, result: &result); |
1642 | if (err < 0) { |
1643 | rfkill_destroy(rfkill: rfk); |
1644 | return err; |
1645 | } |
1646 | hwblock = !(result & 0x1); |
1647 | |
1648 | err = sony_call_snc_handle(handle: sony_rfkill_handle, |
1649 | argument: sony_rfkill_address[nc_type], |
1650 | result: &result); |
1651 | if (err < 0) { |
1652 | rfkill_destroy(rfkill: rfk); |
1653 | return err; |
1654 | } |
1655 | swblock = !(result & 0x2); |
1656 | |
1657 | rfkill_init_sw_state(rfkill: rfk, blocked: swblock); |
1658 | rfkill_set_hw_state(rfkill: rfk, blocked: hwblock); |
1659 | |
1660 | err = rfkill_register(rfkill: rfk); |
1661 | if (err) { |
1662 | rfkill_destroy(rfkill: rfk); |
1663 | return err; |
1664 | } |
1665 | sony_rfkill_devices[nc_type] = rfk; |
1666 | return err; |
1667 | } |
1668 | |
1669 | static void sony_nc_rfkill_update(void) |
1670 | { |
1671 | enum sony_nc_rfkill i; |
1672 | int result; |
1673 | bool hwblock; |
1674 | |
1675 | sony_call_snc_handle(handle: sony_rfkill_handle, argument: 0x200, result: &result); |
1676 | hwblock = !(result & 0x1); |
1677 | |
1678 | for (i = 0; i < N_SONY_RFKILL; i++) { |
1679 | int argument = sony_rfkill_address[i]; |
1680 | |
1681 | if (!sony_rfkill_devices[i]) |
1682 | continue; |
1683 | |
1684 | if (hwblock) { |
1685 | if (rfkill_set_hw_state(rfkill: sony_rfkill_devices[i], blocked: true)) { |
1686 | /* we already know we're blocked */ |
1687 | } |
1688 | continue; |
1689 | } |
1690 | |
1691 | sony_call_snc_handle(handle: sony_rfkill_handle, argument, result: &result); |
1692 | rfkill_set_states(rfkill: sony_rfkill_devices[i], |
1693 | sw: !(result & 0x2), hw: false); |
1694 | } |
1695 | } |
1696 | |
1697 | static int sony_nc_rfkill_setup(struct acpi_device *device, |
1698 | unsigned int handle) |
1699 | { |
1700 | u64 offset; |
1701 | int i; |
1702 | unsigned char buffer[32] = { 0 }; |
1703 | |
1704 | offset = sony_find_snc_handle(handle); |
1705 | sony_rfkill_handle = handle; |
1706 | |
1707 | i = sony_nc_buffer_call(handle: sony_nc_acpi_handle, name: "SN06" , value: &offset, buffer, |
1708 | buflen: 32); |
1709 | if (i < 0) |
1710 | return i; |
1711 | |
1712 | /* The buffer is filled with magic numbers describing the devices |
1713 | * available, 0xff terminates the enumeration. |
1714 | * Known codes: |
1715 | * 0x00 WLAN |
1716 | * 0x10 BLUETOOTH |
1717 | * 0x20 WWAN GPRS-EDGE |
1718 | * 0x21 WWAN HSDPA |
1719 | * 0x22 WWAN EV-DO |
1720 | * 0x23 WWAN GPS |
1721 | * 0x25 Gobi WWAN no GPS |
1722 | * 0x26 Gobi WWAN + GPS |
1723 | * 0x28 Gobi WWAN no GPS |
1724 | * 0x29 Gobi WWAN + GPS |
1725 | * 0x30 WIMAX |
1726 | * 0x50 Gobi WWAN no GPS |
1727 | * 0x51 Gobi WWAN + GPS |
1728 | * 0x70 no SIM card slot |
1729 | * 0x71 SIM card slot |
1730 | */ |
1731 | for (i = 0; i < ARRAY_SIZE(buffer); i++) { |
1732 | |
1733 | if (buffer[i] == 0xff) |
1734 | break; |
1735 | |
1736 | dprintk("Radio devices, found 0x%.2x\n" , buffer[i]); |
1737 | |
1738 | if (buffer[i] == 0 && !sony_rfkill_devices[SONY_WIFI]) |
1739 | sony_nc_setup_rfkill(device, nc_type: SONY_WIFI); |
1740 | |
1741 | if (buffer[i] == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH]) |
1742 | sony_nc_setup_rfkill(device, nc_type: SONY_BLUETOOTH); |
1743 | |
1744 | if (((0xf0 & buffer[i]) == 0x20 || |
1745 | (0xf0 & buffer[i]) == 0x50) && |
1746 | !sony_rfkill_devices[SONY_WWAN]) |
1747 | sony_nc_setup_rfkill(device, nc_type: SONY_WWAN); |
1748 | |
1749 | if (buffer[i] == 0x30 && !sony_rfkill_devices[SONY_WIMAX]) |
1750 | sony_nc_setup_rfkill(device, nc_type: SONY_WIMAX); |
1751 | } |
1752 | return 0; |
1753 | } |
1754 | |
1755 | /* Keyboard backlight feature */ |
1756 | struct kbd_backlight { |
1757 | unsigned int handle; |
1758 | unsigned int base; |
1759 | unsigned int mode; |
1760 | unsigned int timeout; |
1761 | unsigned int has_timeout; |
1762 | struct device_attribute mode_attr; |
1763 | struct device_attribute timeout_attr; |
1764 | }; |
1765 | |
1766 | static struct kbd_backlight *kbdbl_ctl; |
1767 | |
1768 | static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value) |
1769 | { |
1770 | int result; |
1771 | |
1772 | if (value > 2) |
1773 | return -EINVAL; |
1774 | |
1775 | if (sony_call_snc_handle(handle: kbdbl_ctl->handle, |
1776 | argument: (value << 0x10) | (kbdbl_ctl->base), result: &result)) |
1777 | return -EIO; |
1778 | |
1779 | /* Try to turn the light on/off immediately */ |
1780 | if (value != 1) |
1781 | sony_call_snc_handle(handle: kbdbl_ctl->handle, |
1782 | argument: (value << 0x0f) | (kbdbl_ctl->base + 0x100), |
1783 | result: &result); |
1784 | |
1785 | kbdbl_ctl->mode = value; |
1786 | |
1787 | return 0; |
1788 | } |
1789 | |
1790 | static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev, |
1791 | struct device_attribute *attr, |
1792 | const char *buffer, size_t count) |
1793 | { |
1794 | int ret = 0; |
1795 | unsigned long value; |
1796 | |
1797 | if (count > 31) |
1798 | return -EINVAL; |
1799 | |
1800 | if (kstrtoul(s: buffer, base: 10, res: &value)) |
1801 | return -EINVAL; |
1802 | |
1803 | ret = __sony_nc_kbd_backlight_mode_set(value); |
1804 | if (ret < 0) |
1805 | return ret; |
1806 | |
1807 | return count; |
1808 | } |
1809 | |
1810 | static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev, |
1811 | struct device_attribute *attr, char *buffer) |
1812 | { |
1813 | return sysfs_emit(buf: buffer, fmt: "%d\n" , kbdbl_ctl->mode); |
1814 | } |
1815 | |
1816 | static int __sony_nc_kbd_backlight_timeout_set(u8 value) |
1817 | { |
1818 | int result; |
1819 | |
1820 | if (value > 3) |
1821 | return -EINVAL; |
1822 | |
1823 | if (sony_call_snc_handle(handle: kbdbl_ctl->handle, argument: (value << 0x10) | |
1824 | (kbdbl_ctl->base + 0x200), result: &result)) |
1825 | return -EIO; |
1826 | |
1827 | kbdbl_ctl->timeout = value; |
1828 | |
1829 | return 0; |
1830 | } |
1831 | |
1832 | static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev, |
1833 | struct device_attribute *attr, |
1834 | const char *buffer, size_t count) |
1835 | { |
1836 | int ret = 0; |
1837 | unsigned long value; |
1838 | |
1839 | if (count > 31) |
1840 | return -EINVAL; |
1841 | |
1842 | if (kstrtoul(s: buffer, base: 10, res: &value)) |
1843 | return -EINVAL; |
1844 | |
1845 | ret = __sony_nc_kbd_backlight_timeout_set(value); |
1846 | if (ret < 0) |
1847 | return ret; |
1848 | |
1849 | return count; |
1850 | } |
1851 | |
1852 | static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev, |
1853 | struct device_attribute *attr, char *buffer) |
1854 | { |
1855 | return sysfs_emit(buf: buffer, fmt: "%d\n" , kbdbl_ctl->timeout); |
1856 | } |
1857 | |
1858 | static int sony_nc_kbd_backlight_setup(struct platform_device *pd, |
1859 | unsigned int handle) |
1860 | { |
1861 | int result; |
1862 | int probe_base = 0; |
1863 | int ctl_base = 0; |
1864 | int ret = 0; |
1865 | |
1866 | if (kbdbl_ctl) { |
1867 | pr_warn("handle 0x%.4x: keyboard backlight setup already done for 0x%.4x\n" , |
1868 | handle, kbdbl_ctl->handle); |
1869 | return -EBUSY; |
1870 | } |
1871 | |
1872 | /* verify the kbd backlight presence, some of these handles are not used |
1873 | * for keyboard backlight only |
1874 | */ |
1875 | switch (handle) { |
1876 | case 0x0153: |
1877 | probe_base = 0x0; |
1878 | ctl_base = 0x0; |
1879 | break; |
1880 | case 0x0137: |
1881 | probe_base = 0x0B00; |
1882 | ctl_base = 0x0C00; |
1883 | break; |
1884 | default: |
1885 | probe_base = 0x0100; |
1886 | ctl_base = 0x4000; |
1887 | break; |
1888 | } |
1889 | |
1890 | /* |
1891 | * Only probe if there is a separate probe_base, otherwise the probe call |
1892 | * is equivalent to __sony_nc_kbd_backlight_mode_set(0), resulting in |
1893 | * the keyboard backlight being turned off. |
1894 | */ |
1895 | if (probe_base) { |
1896 | ret = sony_call_snc_handle(handle, argument: probe_base, result: &result); |
1897 | if (ret) |
1898 | return ret; |
1899 | |
1900 | if ((handle == 0x0137 && !(result & 0x02)) || |
1901 | !(result & 0x01)) { |
1902 | dprintk("no backlight keyboard found\n" ); |
1903 | return 0; |
1904 | } |
1905 | } |
1906 | |
1907 | kbdbl_ctl = kzalloc(size: sizeof(*kbdbl_ctl), GFP_KERNEL); |
1908 | if (!kbdbl_ctl) |
1909 | return -ENOMEM; |
1910 | |
1911 | kbdbl_ctl->mode = kbd_backlight; |
1912 | kbdbl_ctl->timeout = kbd_backlight_timeout; |
1913 | kbdbl_ctl->handle = handle; |
1914 | kbdbl_ctl->base = ctl_base; |
1915 | /* Some models do not allow timeout control */ |
1916 | kbdbl_ctl->has_timeout = handle != 0x0153; |
1917 | |
1918 | sysfs_attr_init(&kbdbl_ctl->mode_attr.attr); |
1919 | kbdbl_ctl->mode_attr.attr.name = "kbd_backlight" ; |
1920 | kbdbl_ctl->mode_attr.attr.mode = S_IRUGO | S_IWUSR; |
1921 | kbdbl_ctl->mode_attr.show = sony_nc_kbd_backlight_mode_show; |
1922 | kbdbl_ctl->mode_attr.store = sony_nc_kbd_backlight_mode_store; |
1923 | |
1924 | ret = device_create_file(device: &pd->dev, entry: &kbdbl_ctl->mode_attr); |
1925 | if (ret) |
1926 | goto outkzalloc; |
1927 | |
1928 | __sony_nc_kbd_backlight_mode_set(value: kbdbl_ctl->mode); |
1929 | |
1930 | if (kbdbl_ctl->has_timeout) { |
1931 | sysfs_attr_init(&kbdbl_ctl->timeout_attr.attr); |
1932 | kbdbl_ctl->timeout_attr.attr.name = "kbd_backlight_timeout" ; |
1933 | kbdbl_ctl->timeout_attr.attr.mode = S_IRUGO | S_IWUSR; |
1934 | kbdbl_ctl->timeout_attr.show = |
1935 | sony_nc_kbd_backlight_timeout_show; |
1936 | kbdbl_ctl->timeout_attr.store = |
1937 | sony_nc_kbd_backlight_timeout_store; |
1938 | |
1939 | ret = device_create_file(device: &pd->dev, entry: &kbdbl_ctl->timeout_attr); |
1940 | if (ret) |
1941 | goto outmode; |
1942 | |
1943 | __sony_nc_kbd_backlight_timeout_set(value: kbdbl_ctl->timeout); |
1944 | } |
1945 | |
1946 | |
1947 | return 0; |
1948 | |
1949 | outmode: |
1950 | device_remove_file(dev: &pd->dev, attr: &kbdbl_ctl->mode_attr); |
1951 | outkzalloc: |
1952 | kfree(objp: kbdbl_ctl); |
1953 | kbdbl_ctl = NULL; |
1954 | return ret; |
1955 | } |
1956 | |
1957 | static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd, |
1958 | unsigned int handle) |
1959 | { |
1960 | if (kbdbl_ctl && handle == kbdbl_ctl->handle) { |
1961 | device_remove_file(dev: &pd->dev, attr: &kbdbl_ctl->mode_attr); |
1962 | if (kbdbl_ctl->has_timeout) |
1963 | device_remove_file(dev: &pd->dev, attr: &kbdbl_ctl->timeout_attr); |
1964 | kfree(objp: kbdbl_ctl); |
1965 | kbdbl_ctl = NULL; |
1966 | } |
1967 | } |
1968 | |
1969 | struct battery_care_control { |
1970 | struct device_attribute attrs[2]; |
1971 | unsigned int handle; |
1972 | }; |
1973 | static struct battery_care_control *bcare_ctl; |
1974 | |
1975 | static ssize_t sony_nc_battery_care_limit_store(struct device *dev, |
1976 | struct device_attribute *attr, |
1977 | const char *buffer, size_t count) |
1978 | { |
1979 | unsigned int result, cmd; |
1980 | unsigned long value; |
1981 | |
1982 | if (count > 31) |
1983 | return -EINVAL; |
1984 | |
1985 | if (kstrtoul(s: buffer, base: 10, res: &value)) |
1986 | return -EINVAL; |
1987 | |
1988 | /* limit values (2 bits): |
1989 | * 00 - none |
1990 | * 01 - 80% |
1991 | * 10 - 50% |
1992 | * 11 - 100% |
1993 | * |
1994 | * bit 0: 0 disable BCL, 1 enable BCL |
1995 | * bit 1: 1 tell to store the battery limit (see bits 6,7) too |
1996 | * bits 2,3: reserved |
1997 | * bits 4,5: store the limit into the EC |
1998 | * bits 6,7: store the limit into the battery |
1999 | */ |
2000 | cmd = 0; |
2001 | |
2002 | if (value > 0) { |
2003 | if (value <= 50) |
2004 | cmd = 0x20; |
2005 | |
2006 | else if (value <= 80) |
2007 | cmd = 0x10; |
2008 | |
2009 | else if (value <= 100) |
2010 | cmd = 0x30; |
2011 | |
2012 | else |
2013 | return -EINVAL; |
2014 | |
2015 | /* |
2016 | * handle 0x0115 should allow storing on battery too; |
2017 | * handle 0x0136 same as 0x0115 + health status; |
2018 | * handle 0x013f, same as 0x0136 but no storing on the battery |
2019 | */ |
2020 | if (bcare_ctl->handle != 0x013f) |
2021 | cmd = cmd | (cmd << 2); |
2022 | |
2023 | cmd = (cmd | 0x1) << 0x10; |
2024 | } |
2025 | |
2026 | if (sony_call_snc_handle(handle: bcare_ctl->handle, argument: cmd | 0x0100, result: &result)) |
2027 | return -EIO; |
2028 | |
2029 | return count; |
2030 | } |
2031 | |
2032 | static ssize_t sony_nc_battery_care_limit_show(struct device *dev, |
2033 | struct device_attribute *attr, char *buffer) |
2034 | { |
2035 | unsigned int result, status; |
2036 | |
2037 | if (sony_call_snc_handle(handle: bcare_ctl->handle, argument: 0x0000, result: &result)) |
2038 | return -EIO; |
2039 | |
2040 | status = (result & 0x01) ? ((result & 0x30) >> 0x04) : 0; |
2041 | switch (status) { |
2042 | case 1: |
2043 | status = 80; |
2044 | break; |
2045 | case 2: |
2046 | status = 50; |
2047 | break; |
2048 | case 3: |
2049 | status = 100; |
2050 | break; |
2051 | default: |
2052 | status = 0; |
2053 | break; |
2054 | } |
2055 | |
2056 | return sysfs_emit(buf: buffer, fmt: "%d\n" , status); |
2057 | } |
2058 | |
2059 | static ssize_t sony_nc_battery_care_health_show(struct device *dev, |
2060 | struct device_attribute *attr, char *buffer) |
2061 | { |
2062 | unsigned int health; |
2063 | |
2064 | if (sony_call_snc_handle(handle: bcare_ctl->handle, argument: 0x0200, result: &health)) |
2065 | return -EIO; |
2066 | |
2067 | return sysfs_emit(buf: buffer, fmt: "%d\n" , health & 0xff); |
2068 | } |
2069 | |
2070 | static int sony_nc_battery_care_setup(struct platform_device *pd, |
2071 | unsigned int handle) |
2072 | { |
2073 | int ret = 0; |
2074 | |
2075 | bcare_ctl = kzalloc(size: sizeof(struct battery_care_control), GFP_KERNEL); |
2076 | if (!bcare_ctl) |
2077 | return -ENOMEM; |
2078 | |
2079 | bcare_ctl->handle = handle; |
2080 | |
2081 | sysfs_attr_init(&bcare_ctl->attrs[0].attr); |
2082 | bcare_ctl->attrs[0].attr.name = "battery_care_limiter" ; |
2083 | bcare_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR; |
2084 | bcare_ctl->attrs[0].show = sony_nc_battery_care_limit_show; |
2085 | bcare_ctl->attrs[0].store = sony_nc_battery_care_limit_store; |
2086 | |
2087 | ret = device_create_file(device: &pd->dev, entry: &bcare_ctl->attrs[0]); |
2088 | if (ret) |
2089 | goto outkzalloc; |
2090 | |
2091 | /* 0x0115 is for models with no health reporting capability */ |
2092 | if (handle == 0x0115) |
2093 | return 0; |
2094 | |
2095 | sysfs_attr_init(&bcare_ctl->attrs[1].attr); |
2096 | bcare_ctl->attrs[1].attr.name = "battery_care_health" ; |
2097 | bcare_ctl->attrs[1].attr.mode = S_IRUGO; |
2098 | bcare_ctl->attrs[1].show = sony_nc_battery_care_health_show; |
2099 | |
2100 | ret = device_create_file(device: &pd->dev, entry: &bcare_ctl->attrs[1]); |
2101 | if (ret) |
2102 | goto outlimiter; |
2103 | |
2104 | return 0; |
2105 | |
2106 | outlimiter: |
2107 | device_remove_file(dev: &pd->dev, attr: &bcare_ctl->attrs[0]); |
2108 | |
2109 | outkzalloc: |
2110 | kfree(objp: bcare_ctl); |
2111 | bcare_ctl = NULL; |
2112 | |
2113 | return ret; |
2114 | } |
2115 | |
2116 | static void sony_nc_battery_care_cleanup(struct platform_device *pd) |
2117 | { |
2118 | if (bcare_ctl) { |
2119 | device_remove_file(dev: &pd->dev, attr: &bcare_ctl->attrs[0]); |
2120 | if (bcare_ctl->handle != 0x0115) |
2121 | device_remove_file(dev: &pd->dev, attr: &bcare_ctl->attrs[1]); |
2122 | |
2123 | kfree(objp: bcare_ctl); |
2124 | bcare_ctl = NULL; |
2125 | } |
2126 | } |
2127 | |
2128 | struct snc_thermal_ctrl { |
2129 | unsigned int mode; |
2130 | unsigned int profiles; |
2131 | struct device_attribute mode_attr; |
2132 | struct device_attribute profiles_attr; |
2133 | }; |
2134 | static struct snc_thermal_ctrl *th_handle; |
2135 | |
2136 | #define THM_PROFILE_MAX 3 |
2137 | static const char * const snc_thermal_profiles[] = { |
2138 | "balanced" , |
2139 | "silent" , |
2140 | "performance" |
2141 | }; |
2142 | |
2143 | static int sony_nc_thermal_mode_set(unsigned short mode) |
2144 | { |
2145 | unsigned int result; |
2146 | |
2147 | /* the thermal profile seems to be a two bit bitmask: |
2148 | * lsb -> silent |
2149 | * msb -> performance |
2150 | * no bit set is the normal operation and is always valid |
2151 | * Some vaio models only have "balanced" and "performance" |
2152 | */ |
2153 | if ((mode && !(th_handle->profiles & mode)) || mode >= THM_PROFILE_MAX) |
2154 | return -EINVAL; |
2155 | |
2156 | if (sony_call_snc_handle(handle: 0x0122, argument: mode << 0x10 | 0x0200, result: &result)) |
2157 | return -EIO; |
2158 | |
2159 | th_handle->mode = mode; |
2160 | |
2161 | return 0; |
2162 | } |
2163 | |
2164 | static int sony_nc_thermal_mode_get(void) |
2165 | { |
2166 | unsigned int result; |
2167 | |
2168 | if (sony_call_snc_handle(handle: 0x0122, argument: 0x0100, result: &result)) |
2169 | return -EIO; |
2170 | |
2171 | return result & 0xff; |
2172 | } |
2173 | |
2174 | static ssize_t sony_nc_thermal_profiles_show(struct device *dev, |
2175 | struct device_attribute *attr, char *buffer) |
2176 | { |
2177 | short cnt; |
2178 | size_t idx = 0; |
2179 | |
2180 | for (cnt = 0; cnt < THM_PROFILE_MAX; cnt++) { |
2181 | if (!cnt || (th_handle->profiles & cnt)) |
2182 | idx += sysfs_emit_at(buf: buffer, at: idx, fmt: "%s " , snc_thermal_profiles[cnt]); |
2183 | } |
2184 | idx += sysfs_emit_at(buf: buffer, at: idx, fmt: "\n" ); |
2185 | |
2186 | return idx; |
2187 | } |
2188 | |
2189 | static ssize_t sony_nc_thermal_mode_store(struct device *dev, |
2190 | struct device_attribute *attr, |
2191 | const char *buffer, size_t count) |
2192 | { |
2193 | unsigned short cmd; |
2194 | size_t len = count; |
2195 | |
2196 | if (count == 0) |
2197 | return -EINVAL; |
2198 | |
2199 | /* skip the newline if present */ |
2200 | if (buffer[len - 1] == '\n') |
2201 | len--; |
2202 | |
2203 | for (cmd = 0; cmd < THM_PROFILE_MAX; cmd++) |
2204 | if (strncmp(buffer, snc_thermal_profiles[cmd], len) == 0) |
2205 | break; |
2206 | |
2207 | if (sony_nc_thermal_mode_set(mode: cmd)) |
2208 | return -EIO; |
2209 | |
2210 | return count; |
2211 | } |
2212 | |
2213 | static ssize_t sony_nc_thermal_mode_show(struct device *dev, |
2214 | struct device_attribute *attr, char *buffer) |
2215 | { |
2216 | int mode = sony_nc_thermal_mode_get(); |
2217 | |
2218 | if (mode < 0) |
2219 | return mode; |
2220 | |
2221 | return sysfs_emit(buf: buffer, fmt: "%s\n" , snc_thermal_profiles[mode]); |
2222 | } |
2223 | |
2224 | static int sony_nc_thermal_setup(struct platform_device *pd) |
2225 | { |
2226 | int ret = 0; |
2227 | th_handle = kzalloc(size: sizeof(struct snc_thermal_ctrl), GFP_KERNEL); |
2228 | if (!th_handle) |
2229 | return -ENOMEM; |
2230 | |
2231 | ret = sony_call_snc_handle(handle: 0x0122, argument: 0x0000, result: &th_handle->profiles); |
2232 | if (ret) { |
2233 | pr_warn("couldn't to read the thermal profiles\n" ); |
2234 | goto outkzalloc; |
2235 | } |
2236 | |
2237 | ret = sony_nc_thermal_mode_get(); |
2238 | if (ret < 0) { |
2239 | pr_warn("couldn't to read the current thermal profile" ); |
2240 | goto outkzalloc; |
2241 | } |
2242 | th_handle->mode = ret; |
2243 | |
2244 | sysfs_attr_init(&th_handle->profiles_attr.attr); |
2245 | th_handle->profiles_attr.attr.name = "thermal_profiles" ; |
2246 | th_handle->profiles_attr.attr.mode = S_IRUGO; |
2247 | th_handle->profiles_attr.show = sony_nc_thermal_profiles_show; |
2248 | |
2249 | sysfs_attr_init(&th_handle->mode_attr.attr); |
2250 | th_handle->mode_attr.attr.name = "thermal_control" ; |
2251 | th_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR; |
2252 | th_handle->mode_attr.show = sony_nc_thermal_mode_show; |
2253 | th_handle->mode_attr.store = sony_nc_thermal_mode_store; |
2254 | |
2255 | ret = device_create_file(device: &pd->dev, entry: &th_handle->profiles_attr); |
2256 | if (ret) |
2257 | goto outkzalloc; |
2258 | |
2259 | ret = device_create_file(device: &pd->dev, entry: &th_handle->mode_attr); |
2260 | if (ret) |
2261 | goto outprofiles; |
2262 | |
2263 | return 0; |
2264 | |
2265 | outprofiles: |
2266 | device_remove_file(dev: &pd->dev, attr: &th_handle->profiles_attr); |
2267 | outkzalloc: |
2268 | kfree(objp: th_handle); |
2269 | th_handle = NULL; |
2270 | return ret; |
2271 | } |
2272 | |
2273 | static void sony_nc_thermal_cleanup(struct platform_device *pd) |
2274 | { |
2275 | if (th_handle) { |
2276 | device_remove_file(dev: &pd->dev, attr: &th_handle->profiles_attr); |
2277 | device_remove_file(dev: &pd->dev, attr: &th_handle->mode_attr); |
2278 | kfree(objp: th_handle); |
2279 | th_handle = NULL; |
2280 | } |
2281 | } |
2282 | |
2283 | #ifdef CONFIG_PM_SLEEP |
2284 | static void sony_nc_thermal_resume(void) |
2285 | { |
2286 | int status; |
2287 | |
2288 | if (!th_handle) |
2289 | return; |
2290 | |
2291 | status = sony_nc_thermal_mode_get(); |
2292 | |
2293 | if (status != th_handle->mode) |
2294 | sony_nc_thermal_mode_set(mode: th_handle->mode); |
2295 | } |
2296 | #endif |
2297 | |
2298 | /* resume on LID open */ |
2299 | #define LID_RESUME_S5 0 |
2300 | #define LID_RESUME_S4 1 |
2301 | #define LID_RESUME_S3 2 |
2302 | #define LID_RESUME_MAX 3 |
2303 | struct snc_lid_resume_control { |
2304 | struct device_attribute attrs[LID_RESUME_MAX]; |
2305 | unsigned int status; |
2306 | int handle; |
2307 | }; |
2308 | static struct snc_lid_resume_control *lid_ctl; |
2309 | |
2310 | static ssize_t sony_nc_lid_resume_store(struct device *dev, |
2311 | struct device_attribute *attr, |
2312 | const char *buffer, size_t count) |
2313 | { |
2314 | unsigned int result; |
2315 | unsigned long value; |
2316 | unsigned int pos = LID_RESUME_S5; |
2317 | if (count > 31) |
2318 | return -EINVAL; |
2319 | |
2320 | if (kstrtoul(s: buffer, base: 10, res: &value) || value > 1) |
2321 | return -EINVAL; |
2322 | |
2323 | /* the value we have to write to SNC is a bitmask: |
2324 | * +--------------+ |
2325 | * | S3 | S4 | S5 | |
2326 | * +--------------+ |
2327 | * 2 1 0 |
2328 | */ |
2329 | while (pos < LID_RESUME_MAX) { |
2330 | if (&lid_ctl->attrs[pos].attr == &attr->attr) |
2331 | break; |
2332 | pos++; |
2333 | } |
2334 | if (pos == LID_RESUME_MAX) |
2335 | return -EINVAL; |
2336 | |
2337 | if (value) |
2338 | value = lid_ctl->status | (1 << pos); |
2339 | else |
2340 | value = lid_ctl->status & ~(1 << pos); |
2341 | |
2342 | if (sony_call_snc_handle(handle: lid_ctl->handle, argument: value << 0x10 | 0x0100, |
2343 | result: &result)) |
2344 | return -EIO; |
2345 | |
2346 | lid_ctl->status = value; |
2347 | |
2348 | return count; |
2349 | } |
2350 | |
2351 | static ssize_t sony_nc_lid_resume_show(struct device *dev, |
2352 | struct device_attribute *attr, |
2353 | char *buffer) |
2354 | { |
2355 | unsigned int pos = LID_RESUME_S5; |
2356 | |
2357 | while (pos < LID_RESUME_MAX) { |
2358 | if (&lid_ctl->attrs[pos].attr == &attr->attr) |
2359 | return sysfs_emit(buf: buffer, fmt: "%d\n" , |
2360 | (lid_ctl->status >> pos) & 0x01); |
2361 | pos++; |
2362 | } |
2363 | return -EINVAL; |
2364 | } |
2365 | |
2366 | static int sony_nc_lid_resume_setup(struct platform_device *pd, |
2367 | unsigned int handle) |
2368 | { |
2369 | unsigned int result; |
2370 | int i; |
2371 | |
2372 | if (sony_call_snc_handle(handle, argument: 0x0000, result: &result)) |
2373 | return -EIO; |
2374 | |
2375 | lid_ctl = kzalloc(size: sizeof(struct snc_lid_resume_control), GFP_KERNEL); |
2376 | if (!lid_ctl) |
2377 | return -ENOMEM; |
2378 | |
2379 | lid_ctl->status = result & 0x7; |
2380 | lid_ctl->handle = handle; |
2381 | |
2382 | sysfs_attr_init(&lid_ctl->attrs[0].attr); |
2383 | lid_ctl->attrs[LID_RESUME_S5].attr.name = "lid_resume_S5" ; |
2384 | lid_ctl->attrs[LID_RESUME_S5].attr.mode = S_IRUGO | S_IWUSR; |
2385 | lid_ctl->attrs[LID_RESUME_S5].show = sony_nc_lid_resume_show; |
2386 | lid_ctl->attrs[LID_RESUME_S5].store = sony_nc_lid_resume_store; |
2387 | |
2388 | if (handle == 0x0119) { |
2389 | sysfs_attr_init(&lid_ctl->attrs[1].attr); |
2390 | lid_ctl->attrs[LID_RESUME_S4].attr.name = "lid_resume_S4" ; |
2391 | lid_ctl->attrs[LID_RESUME_S4].attr.mode = S_IRUGO | S_IWUSR; |
2392 | lid_ctl->attrs[LID_RESUME_S4].show = sony_nc_lid_resume_show; |
2393 | lid_ctl->attrs[LID_RESUME_S4].store = sony_nc_lid_resume_store; |
2394 | |
2395 | sysfs_attr_init(&lid_ctl->attrs[2].attr); |
2396 | lid_ctl->attrs[LID_RESUME_S3].attr.name = "lid_resume_S3" ; |
2397 | lid_ctl->attrs[LID_RESUME_S3].attr.mode = S_IRUGO | S_IWUSR; |
2398 | lid_ctl->attrs[LID_RESUME_S3].show = sony_nc_lid_resume_show; |
2399 | lid_ctl->attrs[LID_RESUME_S3].store = sony_nc_lid_resume_store; |
2400 | } |
2401 | for (i = 0; i < LID_RESUME_MAX && |
2402 | lid_ctl->attrs[i].attr.name; i++) { |
2403 | result = device_create_file(device: &pd->dev, entry: &lid_ctl->attrs[i]); |
2404 | if (result) |
2405 | goto liderror; |
2406 | } |
2407 | |
2408 | return 0; |
2409 | |
2410 | liderror: |
2411 | for (i--; i >= 0; i--) |
2412 | device_remove_file(dev: &pd->dev, attr: &lid_ctl->attrs[i]); |
2413 | |
2414 | kfree(objp: lid_ctl); |
2415 | lid_ctl = NULL; |
2416 | |
2417 | return result; |
2418 | } |
2419 | |
2420 | static void sony_nc_lid_resume_cleanup(struct platform_device *pd) |
2421 | { |
2422 | int i; |
2423 | |
2424 | if (lid_ctl) { |
2425 | for (i = 0; i < LID_RESUME_MAX; i++) { |
2426 | if (!lid_ctl->attrs[i].attr.name) |
2427 | break; |
2428 | |
2429 | device_remove_file(dev: &pd->dev, attr: &lid_ctl->attrs[i]); |
2430 | } |
2431 | |
2432 | kfree(objp: lid_ctl); |
2433 | lid_ctl = NULL; |
2434 | } |
2435 | } |
2436 | |
2437 | /* GFX Switch position */ |
2438 | enum gfx_switch { |
2439 | SPEED, |
2440 | STAMINA, |
2441 | AUTO |
2442 | }; |
2443 | struct snc_gfx_switch_control { |
2444 | struct device_attribute attr; |
2445 | unsigned int handle; |
2446 | }; |
2447 | static struct snc_gfx_switch_control *gfxs_ctl; |
2448 | |
2449 | /* returns 0 for speed, 1 for stamina */ |
2450 | static int __sony_nc_gfx_switch_status_get(void) |
2451 | { |
2452 | unsigned int result; |
2453 | |
2454 | if (sony_call_snc_handle(handle: gfxs_ctl->handle, |
2455 | argument: gfxs_ctl->handle == 0x015B ? 0x0000 : 0x0100, |
2456 | result: &result)) |
2457 | return -EIO; |
2458 | |
2459 | switch (gfxs_ctl->handle) { |
2460 | case 0x0146: |
2461 | /* 1: discrete GFX (speed) |
2462 | * 0: integrated GFX (stamina) |
2463 | */ |
2464 | return result & 0x1 ? SPEED : STAMINA; |
2465 | case 0x015B: |
2466 | /* 0: discrete GFX (speed) |
2467 | * 1: integrated GFX (stamina) |
2468 | */ |
2469 | return result & 0x1 ? STAMINA : SPEED; |
2470 | case 0x0128: |
2471 | /* it's a more elaborated bitmask, for now: |
2472 | * 2: integrated GFX (stamina) |
2473 | * 0: discrete GFX (speed) |
2474 | */ |
2475 | dprintk("GFX Status: 0x%x\n" , result); |
2476 | return result & 0x80 ? AUTO : |
2477 | result & 0x02 ? STAMINA : SPEED; |
2478 | } |
2479 | return -EINVAL; |
2480 | } |
2481 | |
2482 | static ssize_t sony_nc_gfx_switch_status_show(struct device *dev, |
2483 | struct device_attribute *attr, |
2484 | char *buffer) |
2485 | { |
2486 | int pos = __sony_nc_gfx_switch_status_get(); |
2487 | |
2488 | if (pos < 0) |
2489 | return pos; |
2490 | |
2491 | return sysfs_emit(buf: buffer, fmt: "%s\n" , |
2492 | pos == SPEED ? "speed" : |
2493 | pos == STAMINA ? "stamina" : |
2494 | pos == AUTO ? "auto" : "unknown" ); |
2495 | } |
2496 | |
2497 | static int sony_nc_gfx_switch_setup(struct platform_device *pd, |
2498 | unsigned int handle) |
2499 | { |
2500 | unsigned int result; |
2501 | |
2502 | gfxs_ctl = kzalloc(size: sizeof(struct snc_gfx_switch_control), GFP_KERNEL); |
2503 | if (!gfxs_ctl) |
2504 | return -ENOMEM; |
2505 | |
2506 | gfxs_ctl->handle = handle; |
2507 | |
2508 | sysfs_attr_init(&gfxs_ctl->attr.attr); |
2509 | gfxs_ctl->attr.attr.name = "gfx_switch_status" ; |
2510 | gfxs_ctl->attr.attr.mode = S_IRUGO; |
2511 | gfxs_ctl->attr.show = sony_nc_gfx_switch_status_show; |
2512 | |
2513 | result = device_create_file(device: &pd->dev, entry: &gfxs_ctl->attr); |
2514 | if (result) |
2515 | goto gfxerror; |
2516 | |
2517 | return 0; |
2518 | |
2519 | gfxerror: |
2520 | kfree(objp: gfxs_ctl); |
2521 | gfxs_ctl = NULL; |
2522 | |
2523 | return result; |
2524 | } |
2525 | |
2526 | static void sony_nc_gfx_switch_cleanup(struct platform_device *pd) |
2527 | { |
2528 | if (gfxs_ctl) { |
2529 | device_remove_file(dev: &pd->dev, attr: &gfxs_ctl->attr); |
2530 | |
2531 | kfree(objp: gfxs_ctl); |
2532 | gfxs_ctl = NULL; |
2533 | } |
2534 | } |
2535 | |
2536 | /* High speed charging function */ |
2537 | static struct device_attribute *hsc_handle; |
2538 | |
2539 | static ssize_t sony_nc_highspeed_charging_store(struct device *dev, |
2540 | struct device_attribute *attr, |
2541 | const char *buffer, size_t count) |
2542 | { |
2543 | unsigned int result; |
2544 | unsigned long value; |
2545 | |
2546 | if (count > 31) |
2547 | return -EINVAL; |
2548 | |
2549 | if (kstrtoul(s: buffer, base: 10, res: &value) || value > 1) |
2550 | return -EINVAL; |
2551 | |
2552 | if (sony_call_snc_handle(handle: 0x0131, argument: value << 0x10 | 0x0200, result: &result)) |
2553 | return -EIO; |
2554 | |
2555 | return count; |
2556 | } |
2557 | |
2558 | static ssize_t sony_nc_highspeed_charging_show(struct device *dev, |
2559 | struct device_attribute *attr, char *buffer) |
2560 | { |
2561 | unsigned int result; |
2562 | |
2563 | if (sony_call_snc_handle(handle: 0x0131, argument: 0x0100, result: &result)) |
2564 | return -EIO; |
2565 | |
2566 | return sysfs_emit(buf: buffer, fmt: "%d\n" , result & 0x01); |
2567 | } |
2568 | |
2569 | static int sony_nc_highspeed_charging_setup(struct platform_device *pd) |
2570 | { |
2571 | unsigned int result; |
2572 | |
2573 | if (sony_call_snc_handle(handle: 0x0131, argument: 0x0000, result: &result) || !(result & 0x01)) { |
2574 | /* some models advertise the handle but have no implementation |
2575 | * for it |
2576 | */ |
2577 | pr_info("No High Speed Charging capability found\n" ); |
2578 | return 0; |
2579 | } |
2580 | |
2581 | hsc_handle = kzalloc(size: sizeof(struct device_attribute), GFP_KERNEL); |
2582 | if (!hsc_handle) |
2583 | return -ENOMEM; |
2584 | |
2585 | sysfs_attr_init(&hsc_handle->attr); |
2586 | hsc_handle->attr.name = "battery_highspeed_charging" ; |
2587 | hsc_handle->attr.mode = S_IRUGO | S_IWUSR; |
2588 | hsc_handle->show = sony_nc_highspeed_charging_show; |
2589 | hsc_handle->store = sony_nc_highspeed_charging_store; |
2590 | |
2591 | result = device_create_file(device: &pd->dev, entry: hsc_handle); |
2592 | if (result) { |
2593 | kfree(objp: hsc_handle); |
2594 | hsc_handle = NULL; |
2595 | return result; |
2596 | } |
2597 | |
2598 | return 0; |
2599 | } |
2600 | |
2601 | static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd) |
2602 | { |
2603 | if (hsc_handle) { |
2604 | device_remove_file(dev: &pd->dev, attr: hsc_handle); |
2605 | kfree(objp: hsc_handle); |
2606 | hsc_handle = NULL; |
2607 | } |
2608 | } |
2609 | |
2610 | /* low battery function */ |
2611 | static struct device_attribute *lowbatt_handle; |
2612 | |
2613 | static ssize_t sony_nc_lowbatt_store(struct device *dev, |
2614 | struct device_attribute *attr, |
2615 | const char *buffer, size_t count) |
2616 | { |
2617 | unsigned int result; |
2618 | unsigned long value; |
2619 | |
2620 | if (count > 31) |
2621 | return -EINVAL; |
2622 | |
2623 | if (kstrtoul(s: buffer, base: 10, res: &value) || value > 1) |
2624 | return -EINVAL; |
2625 | |
2626 | if (sony_call_snc_handle(handle: 0x0121, argument: value << 8, result: &result)) |
2627 | return -EIO; |
2628 | |
2629 | return count; |
2630 | } |
2631 | |
2632 | static ssize_t sony_nc_lowbatt_show(struct device *dev, |
2633 | struct device_attribute *attr, char *buffer) |
2634 | { |
2635 | unsigned int result; |
2636 | |
2637 | if (sony_call_snc_handle(handle: 0x0121, argument: 0x0200, result: &result)) |
2638 | return -EIO; |
2639 | |
2640 | return sysfs_emit(buf: buffer, fmt: "%d\n" , result & 1); |
2641 | } |
2642 | |
2643 | static int sony_nc_lowbatt_setup(struct platform_device *pd) |
2644 | { |
2645 | unsigned int result; |
2646 | |
2647 | lowbatt_handle = kzalloc(size: sizeof(struct device_attribute), GFP_KERNEL); |
2648 | if (!lowbatt_handle) |
2649 | return -ENOMEM; |
2650 | |
2651 | sysfs_attr_init(&lowbatt_handle->attr); |
2652 | lowbatt_handle->attr.name = "lowbatt_hibernate" ; |
2653 | lowbatt_handle->attr.mode = S_IRUGO | S_IWUSR; |
2654 | lowbatt_handle->show = sony_nc_lowbatt_show; |
2655 | lowbatt_handle->store = sony_nc_lowbatt_store; |
2656 | |
2657 | result = device_create_file(device: &pd->dev, entry: lowbatt_handle); |
2658 | if (result) { |
2659 | kfree(objp: lowbatt_handle); |
2660 | lowbatt_handle = NULL; |
2661 | return result; |
2662 | } |
2663 | |
2664 | return 0; |
2665 | } |
2666 | |
2667 | static void sony_nc_lowbatt_cleanup(struct platform_device *pd) |
2668 | { |
2669 | if (lowbatt_handle) { |
2670 | device_remove_file(dev: &pd->dev, attr: lowbatt_handle); |
2671 | kfree(objp: lowbatt_handle); |
2672 | lowbatt_handle = NULL; |
2673 | } |
2674 | } |
2675 | |
2676 | /* fan speed function */ |
2677 | static struct device_attribute *fan_handle, *hsf_handle; |
2678 | |
2679 | static ssize_t sony_nc_hsfan_store(struct device *dev, |
2680 | struct device_attribute *attr, |
2681 | const char *buffer, size_t count) |
2682 | { |
2683 | unsigned int result; |
2684 | unsigned long value; |
2685 | |
2686 | if (count > 31) |
2687 | return -EINVAL; |
2688 | |
2689 | if (kstrtoul(s: buffer, base: 10, res: &value) || value > 1) |
2690 | return -EINVAL; |
2691 | |
2692 | if (sony_call_snc_handle(handle: 0x0149, argument: value << 0x10 | 0x0200, result: &result)) |
2693 | return -EIO; |
2694 | |
2695 | return count; |
2696 | } |
2697 | |
2698 | static ssize_t sony_nc_hsfan_show(struct device *dev, |
2699 | struct device_attribute *attr, char *buffer) |
2700 | { |
2701 | unsigned int result; |
2702 | |
2703 | if (sony_call_snc_handle(handle: 0x0149, argument: 0x0100, result: &result)) |
2704 | return -EIO; |
2705 | |
2706 | return sysfs_emit(buf: buffer, fmt: "%d\n" , result & 0x01); |
2707 | } |
2708 | |
2709 | static ssize_t sony_nc_fanspeed_show(struct device *dev, |
2710 | struct device_attribute *attr, char *buffer) |
2711 | { |
2712 | unsigned int result; |
2713 | |
2714 | if (sony_call_snc_handle(handle: 0x0149, argument: 0x0300, result: &result)) |
2715 | return -EIO; |
2716 | |
2717 | return sysfs_emit(buf: buffer, fmt: "%d\n" , result & 0xff); |
2718 | } |
2719 | |
2720 | static int sony_nc_fanspeed_setup(struct platform_device *pd) |
2721 | { |
2722 | unsigned int result; |
2723 | |
2724 | fan_handle = kzalloc(size: sizeof(struct device_attribute), GFP_KERNEL); |
2725 | if (!fan_handle) |
2726 | return -ENOMEM; |
2727 | |
2728 | hsf_handle = kzalloc(size: sizeof(struct device_attribute), GFP_KERNEL); |
2729 | if (!hsf_handle) { |
2730 | result = -ENOMEM; |
2731 | goto out_hsf_handle_alloc; |
2732 | } |
2733 | |
2734 | sysfs_attr_init(&fan_handle->attr); |
2735 | fan_handle->attr.name = "fanspeed" ; |
2736 | fan_handle->attr.mode = S_IRUGO; |
2737 | fan_handle->show = sony_nc_fanspeed_show; |
2738 | fan_handle->store = NULL; |
2739 | |
2740 | sysfs_attr_init(&hsf_handle->attr); |
2741 | hsf_handle->attr.name = "fan_forced" ; |
2742 | hsf_handle->attr.mode = S_IRUGO | S_IWUSR; |
2743 | hsf_handle->show = sony_nc_hsfan_show; |
2744 | hsf_handle->store = sony_nc_hsfan_store; |
2745 | |
2746 | result = device_create_file(device: &pd->dev, entry: fan_handle); |
2747 | if (result) |
2748 | goto out_fan_handle; |
2749 | |
2750 | result = device_create_file(device: &pd->dev, entry: hsf_handle); |
2751 | if (result) |
2752 | goto out_hsf_handle; |
2753 | |
2754 | return 0; |
2755 | |
2756 | out_hsf_handle: |
2757 | device_remove_file(dev: &pd->dev, attr: fan_handle); |
2758 | |
2759 | out_fan_handle: |
2760 | kfree(objp: hsf_handle); |
2761 | hsf_handle = NULL; |
2762 | |
2763 | out_hsf_handle_alloc: |
2764 | kfree(objp: fan_handle); |
2765 | fan_handle = NULL; |
2766 | return result; |
2767 | } |
2768 | |
2769 | static void sony_nc_fanspeed_cleanup(struct platform_device *pd) |
2770 | { |
2771 | if (fan_handle) { |
2772 | device_remove_file(dev: &pd->dev, attr: fan_handle); |
2773 | kfree(objp: fan_handle); |
2774 | fan_handle = NULL; |
2775 | } |
2776 | if (hsf_handle) { |
2777 | device_remove_file(dev: &pd->dev, attr: hsf_handle); |
2778 | kfree(objp: hsf_handle); |
2779 | hsf_handle = NULL; |
2780 | } |
2781 | } |
2782 | |
2783 | /* USB charge function */ |
2784 | static struct device_attribute *uc_handle; |
2785 | |
2786 | static ssize_t sony_nc_usb_charge_store(struct device *dev, |
2787 | struct device_attribute *attr, |
2788 | const char *buffer, size_t count) |
2789 | { |
2790 | unsigned int result; |
2791 | unsigned long value; |
2792 | |
2793 | if (count > 31) |
2794 | return -EINVAL; |
2795 | |
2796 | if (kstrtoul(s: buffer, base: 10, res: &value) || value > 1) |
2797 | return -EINVAL; |
2798 | |
2799 | if (sony_call_snc_handle(handle: 0x0155, argument: value << 0x10 | 0x0100, result: &result)) |
2800 | return -EIO; |
2801 | |
2802 | return count; |
2803 | } |
2804 | |
2805 | static ssize_t sony_nc_usb_charge_show(struct device *dev, |
2806 | struct device_attribute *attr, char *buffer) |
2807 | { |
2808 | unsigned int result; |
2809 | |
2810 | if (sony_call_snc_handle(handle: 0x0155, argument: 0x0000, result: &result)) |
2811 | return -EIO; |
2812 | |
2813 | return sysfs_emit(buf: buffer, fmt: "%d\n" , result & 0x01); |
2814 | } |
2815 | |
2816 | static int sony_nc_usb_charge_setup(struct platform_device *pd) |
2817 | { |
2818 | unsigned int result; |
2819 | |
2820 | if (sony_call_snc_handle(handle: 0x0155, argument: 0x0000, result: &result) || !(result & 0x01)) { |
2821 | /* some models advertise the handle but have no implementation |
2822 | * for it |
2823 | */ |
2824 | pr_info("No USB Charge capability found\n" ); |
2825 | return 0; |
2826 | } |
2827 | |
2828 | uc_handle = kzalloc(size: sizeof(struct device_attribute), GFP_KERNEL); |
2829 | if (!uc_handle) |
2830 | return -ENOMEM; |
2831 | |
2832 | sysfs_attr_init(&uc_handle->attr); |
2833 | uc_handle->attr.name = "usb_charge" ; |
2834 | uc_handle->attr.mode = S_IRUGO | S_IWUSR; |
2835 | uc_handle->show = sony_nc_usb_charge_show; |
2836 | uc_handle->store = sony_nc_usb_charge_store; |
2837 | |
2838 | result = device_create_file(device: &pd->dev, entry: uc_handle); |
2839 | if (result) { |
2840 | kfree(objp: uc_handle); |
2841 | uc_handle = NULL; |
2842 | return result; |
2843 | } |
2844 | |
2845 | return 0; |
2846 | } |
2847 | |
2848 | static void sony_nc_usb_charge_cleanup(struct platform_device *pd) |
2849 | { |
2850 | if (uc_handle) { |
2851 | device_remove_file(dev: &pd->dev, attr: uc_handle); |
2852 | kfree(objp: uc_handle); |
2853 | uc_handle = NULL; |
2854 | } |
2855 | } |
2856 | |
2857 | /* Panel ID function */ |
2858 | static struct device_attribute *panel_handle; |
2859 | |
2860 | static ssize_t sony_nc_panelid_show(struct device *dev, |
2861 | struct device_attribute *attr, char *buffer) |
2862 | { |
2863 | unsigned int result; |
2864 | |
2865 | if (sony_call_snc_handle(handle: 0x011D, argument: 0x0000, result: &result)) |
2866 | return -EIO; |
2867 | |
2868 | return sysfs_emit(buf: buffer, fmt: "%d\n" , result); |
2869 | } |
2870 | |
2871 | static int sony_nc_panelid_setup(struct platform_device *pd) |
2872 | { |
2873 | unsigned int result; |
2874 | |
2875 | panel_handle = kzalloc(size: sizeof(struct device_attribute), GFP_KERNEL); |
2876 | if (!panel_handle) |
2877 | return -ENOMEM; |
2878 | |
2879 | sysfs_attr_init(&panel_handle->attr); |
2880 | panel_handle->attr.name = "panel_id" ; |
2881 | panel_handle->attr.mode = S_IRUGO; |
2882 | panel_handle->show = sony_nc_panelid_show; |
2883 | panel_handle->store = NULL; |
2884 | |
2885 | result = device_create_file(device: &pd->dev, entry: panel_handle); |
2886 | if (result) { |
2887 | kfree(objp: panel_handle); |
2888 | panel_handle = NULL; |
2889 | return result; |
2890 | } |
2891 | |
2892 | return 0; |
2893 | } |
2894 | |
2895 | static void sony_nc_panelid_cleanup(struct platform_device *pd) |
2896 | { |
2897 | if (panel_handle) { |
2898 | device_remove_file(dev: &pd->dev, attr: panel_handle); |
2899 | kfree(objp: panel_handle); |
2900 | panel_handle = NULL; |
2901 | } |
2902 | } |
2903 | |
2904 | /* smart connect function */ |
2905 | static struct device_attribute *sc_handle; |
2906 | |
2907 | static ssize_t sony_nc_smart_conn_store(struct device *dev, |
2908 | struct device_attribute *attr, |
2909 | const char *buffer, size_t count) |
2910 | { |
2911 | unsigned int result; |
2912 | unsigned long value; |
2913 | |
2914 | if (count > 31) |
2915 | return -EINVAL; |
2916 | |
2917 | if (kstrtoul(s: buffer, base: 10, res: &value) || value > 1) |
2918 | return -EINVAL; |
2919 | |
2920 | if (sony_call_snc_handle(handle: 0x0168, argument: value << 0x10, result: &result)) |
2921 | return -EIO; |
2922 | |
2923 | return count; |
2924 | } |
2925 | |
2926 | static int sony_nc_smart_conn_setup(struct platform_device *pd) |
2927 | { |
2928 | unsigned int result; |
2929 | |
2930 | sc_handle = kzalloc(size: sizeof(struct device_attribute), GFP_KERNEL); |
2931 | if (!sc_handle) |
2932 | return -ENOMEM; |
2933 | |
2934 | sysfs_attr_init(&sc_handle->attr); |
2935 | sc_handle->attr.name = "smart_connect" ; |
2936 | sc_handle->attr.mode = S_IWUSR; |
2937 | sc_handle->show = NULL; |
2938 | sc_handle->store = sony_nc_smart_conn_store; |
2939 | |
2940 | result = device_create_file(device: &pd->dev, entry: sc_handle); |
2941 | if (result) { |
2942 | kfree(objp: sc_handle); |
2943 | sc_handle = NULL; |
2944 | return result; |
2945 | } |
2946 | |
2947 | return 0; |
2948 | } |
2949 | |
2950 | static void sony_nc_smart_conn_cleanup(struct platform_device *pd) |
2951 | { |
2952 | if (sc_handle) { |
2953 | device_remove_file(dev: &pd->dev, attr: sc_handle); |
2954 | kfree(objp: sc_handle); |
2955 | sc_handle = NULL; |
2956 | } |
2957 | } |
2958 | |
2959 | /* Touchpad enable/disable */ |
2960 | struct touchpad_control { |
2961 | struct device_attribute attr; |
2962 | int handle; |
2963 | }; |
2964 | static struct touchpad_control *tp_ctl; |
2965 | |
2966 | static ssize_t sony_nc_touchpad_store(struct device *dev, |
2967 | struct device_attribute *attr, const char *buffer, size_t count) |
2968 | { |
2969 | unsigned int result; |
2970 | unsigned long value; |
2971 | |
2972 | if (count > 31) |
2973 | return -EINVAL; |
2974 | |
2975 | if (kstrtoul(s: buffer, base: 10, res: &value) || value > 1) |
2976 | return -EINVAL; |
2977 | |
2978 | /* sysfs: 0 disabled, 1 enabled |
2979 | * EC: 0 enabled, 1 disabled |
2980 | */ |
2981 | if (sony_call_snc_handle(handle: tp_ctl->handle, |
2982 | argument: (!value << 0x10) | 0x100, result: &result)) |
2983 | return -EIO; |
2984 | |
2985 | return count; |
2986 | } |
2987 | |
2988 | static ssize_t sony_nc_touchpad_show(struct device *dev, |
2989 | struct device_attribute *attr, char *buffer) |
2990 | { |
2991 | unsigned int result; |
2992 | |
2993 | if (sony_call_snc_handle(handle: tp_ctl->handle, argument: 0x000, result: &result)) |
2994 | return -EINVAL; |
2995 | |
2996 | return sysfs_emit(buf: buffer, fmt: "%d\n" , !(result & 0x01)); |
2997 | } |
2998 | |
2999 | static int sony_nc_touchpad_setup(struct platform_device *pd, |
3000 | unsigned int handle) |
3001 | { |
3002 | int ret = 0; |
3003 | |
3004 | tp_ctl = kzalloc(size: sizeof(struct touchpad_control), GFP_KERNEL); |
3005 | if (!tp_ctl) |
3006 | return -ENOMEM; |
3007 | |
3008 | tp_ctl->handle = handle; |
3009 | |
3010 | sysfs_attr_init(&tp_ctl->attr.attr); |
3011 | tp_ctl->attr.attr.name = "touchpad" ; |
3012 | tp_ctl->attr.attr.mode = S_IRUGO | S_IWUSR; |
3013 | tp_ctl->attr.show = sony_nc_touchpad_show; |
3014 | tp_ctl->attr.store = sony_nc_touchpad_store; |
3015 | |
3016 | ret = device_create_file(device: &pd->dev, entry: &tp_ctl->attr); |
3017 | if (ret) { |
3018 | kfree(objp: tp_ctl); |
3019 | tp_ctl = NULL; |
3020 | } |
3021 | |
3022 | return ret; |
3023 | } |
3024 | |
3025 | static void sony_nc_touchpad_cleanup(struct platform_device *pd) |
3026 | { |
3027 | if (tp_ctl) { |
3028 | device_remove_file(dev: &pd->dev, attr: &tp_ctl->attr); |
3029 | kfree(objp: tp_ctl); |
3030 | tp_ctl = NULL; |
3031 | } |
3032 | } |
3033 | |
3034 | static void sony_nc_backlight_ng_read_limits(int handle, |
3035 | struct sony_backlight_props *props) |
3036 | { |
3037 | u64 offset; |
3038 | int i; |
3039 | int lvl_table_len = 0; |
3040 | u8 min = 0xff, max = 0x00; |
3041 | unsigned char buffer[32] = { 0 }; |
3042 | |
3043 | props->handle = handle; |
3044 | props->offset = 0; |
3045 | props->maxlvl = 0xff; |
3046 | |
3047 | offset = sony_find_snc_handle(handle); |
3048 | |
3049 | /* try to read the boundaries from ACPI tables, if we fail the above |
3050 | * defaults should be reasonable |
3051 | */ |
3052 | i = sony_nc_buffer_call(handle: sony_nc_acpi_handle, name: "SN06" , value: &offset, buffer, |
3053 | buflen: 32); |
3054 | if (i < 0) |
3055 | return; |
3056 | |
3057 | switch (handle) { |
3058 | case 0x012f: |
3059 | case 0x0137: |
3060 | lvl_table_len = 9; |
3061 | break; |
3062 | case 0x143: |
3063 | case 0x14b: |
3064 | case 0x14c: |
3065 | lvl_table_len = 16; |
3066 | break; |
3067 | } |
3068 | |
3069 | /* the buffer lists brightness levels available, brightness levels are |
3070 | * from position 0 to 8 in the array, other values are used by ALS |
3071 | * control. |
3072 | */ |
3073 | for (i = 0; i < lvl_table_len && i < ARRAY_SIZE(buffer); i++) { |
3074 | |
3075 | dprintk("Brightness level: %d\n" , buffer[i]); |
3076 | |
3077 | if (!buffer[i]) |
3078 | break; |
3079 | |
3080 | if (buffer[i] > max) |
3081 | max = buffer[i]; |
3082 | if (buffer[i] < min) |
3083 | min = buffer[i]; |
3084 | } |
3085 | props->offset = min; |
3086 | props->maxlvl = max; |
3087 | dprintk("Brightness levels: min=%d max=%d\n" , props->offset, |
3088 | props->maxlvl); |
3089 | } |
3090 | |
3091 | static void sony_nc_backlight_setup(void) |
3092 | { |
3093 | int max_brightness = 0; |
3094 | const struct backlight_ops *ops = NULL; |
3095 | struct backlight_properties props; |
3096 | |
3097 | if (sony_find_snc_handle(handle: 0x12f) >= 0) { |
3098 | ops = &sony_backlight_ng_ops; |
3099 | sony_bl_props.cmd_base = 0x0100; |
3100 | sony_nc_backlight_ng_read_limits(handle: 0x12f, props: &sony_bl_props); |
3101 | max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; |
3102 | |
3103 | } else if (sony_find_snc_handle(handle: 0x137) >= 0) { |
3104 | ops = &sony_backlight_ng_ops; |
3105 | sony_bl_props.cmd_base = 0x0100; |
3106 | sony_nc_backlight_ng_read_limits(handle: 0x137, props: &sony_bl_props); |
3107 | max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; |
3108 | |
3109 | } else if (sony_find_snc_handle(handle: 0x143) >= 0) { |
3110 | ops = &sony_backlight_ng_ops; |
3111 | sony_bl_props.cmd_base = 0x3000; |
3112 | sony_nc_backlight_ng_read_limits(handle: 0x143, props: &sony_bl_props); |
3113 | max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; |
3114 | |
3115 | } else if (sony_find_snc_handle(handle: 0x14b) >= 0) { |
3116 | ops = &sony_backlight_ng_ops; |
3117 | sony_bl_props.cmd_base = 0x3000; |
3118 | sony_nc_backlight_ng_read_limits(handle: 0x14b, props: &sony_bl_props); |
3119 | max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; |
3120 | |
3121 | } else if (sony_find_snc_handle(handle: 0x14c) >= 0) { |
3122 | ops = &sony_backlight_ng_ops; |
3123 | sony_bl_props.cmd_base = 0x3000; |
3124 | sony_nc_backlight_ng_read_limits(handle: 0x14c, props: &sony_bl_props); |
3125 | max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; |
3126 | |
3127 | } else if (acpi_has_method(handle: sony_nc_acpi_handle, name: "GBRT" )) { |
3128 | ops = &sony_backlight_ops; |
3129 | max_brightness = SONY_MAX_BRIGHTNESS - 1; |
3130 | |
3131 | } else |
3132 | return; |
3133 | |
3134 | memset(&props, 0, sizeof(struct backlight_properties)); |
3135 | props.type = BACKLIGHT_PLATFORM; |
3136 | props.max_brightness = max_brightness; |
3137 | sony_bl_props.dev = backlight_device_register(name: "sony" , NULL, |
3138 | devdata: &sony_bl_props, |
3139 | ops, props: &props); |
3140 | |
3141 | if (IS_ERR(ptr: sony_bl_props.dev)) { |
3142 | pr_warn("unable to register backlight device\n" ); |
3143 | sony_bl_props.dev = NULL; |
3144 | } else |
3145 | sony_bl_props.dev->props.brightness = |
3146 | ops->get_brightness(sony_bl_props.dev); |
3147 | } |
3148 | |
3149 | static void sony_nc_backlight_cleanup(void) |
3150 | { |
3151 | backlight_device_unregister(bd: sony_bl_props.dev); |
3152 | } |
3153 | |
3154 | static int sony_nc_add(struct acpi_device *device) |
3155 | { |
3156 | acpi_status status; |
3157 | int result = 0; |
3158 | struct sony_nc_value *item; |
3159 | |
3160 | sony_nc_acpi_device = device; |
3161 | strcpy(acpi_device_class(device), q: "sony/hotkey" ); |
3162 | |
3163 | sony_nc_acpi_handle = device->handle; |
3164 | |
3165 | /* read device status */ |
3166 | result = acpi_bus_get_status(device); |
3167 | /* bail IFF the above call was successful and the device is not present */ |
3168 | if (!result && !device->status.present) { |
3169 | dprintk("Device not present\n" ); |
3170 | result = -ENODEV; |
3171 | goto outwalk; |
3172 | } |
3173 | |
3174 | result = sony_pf_add(); |
3175 | if (result) |
3176 | goto outpresent; |
3177 | |
3178 | if (debug) { |
3179 | status = acpi_walk_namespace(ACPI_TYPE_METHOD, |
3180 | start_object: sony_nc_acpi_handle, max_depth: 1, descending_callback: sony_walk_callback, |
3181 | NULL, NULL, NULL); |
3182 | if (ACPI_FAILURE(status)) { |
3183 | pr_warn("unable to walk acpi resources\n" ); |
3184 | result = -ENODEV; |
3185 | goto outpresent; |
3186 | } |
3187 | } |
3188 | |
3189 | result = sony_laptop_setup_input(acpi_device: device); |
3190 | if (result) { |
3191 | pr_err("Unable to create input devices\n" ); |
3192 | goto outplatform; |
3193 | } |
3194 | |
3195 | if (acpi_has_method(handle: sony_nc_acpi_handle, name: "ECON" )) { |
3196 | int arg = 1; |
3197 | if (sony_nc_int_call(handle: sony_nc_acpi_handle, name: "ECON" , value: &arg, NULL)) |
3198 | dprintk("ECON Method failed\n" ); |
3199 | } |
3200 | |
3201 | if (acpi_has_method(handle: sony_nc_acpi_handle, name: "SN00" )) { |
3202 | dprintk("Doing SNC setup\n" ); |
3203 | /* retrieve the available handles */ |
3204 | result = sony_nc_handles_setup(pd: sony_pf_device); |
3205 | if (!result) |
3206 | sony_nc_function_setup(device, pf_device: sony_pf_device); |
3207 | } |
3208 | |
3209 | if (acpi_video_get_backlight_type() == acpi_backlight_vendor) |
3210 | sony_nc_backlight_setup(); |
3211 | |
3212 | /* create sony_pf sysfs attributes related to the SNC device */ |
3213 | for (item = sony_nc_values; item->name; ++item) { |
3214 | |
3215 | if (!debug && item->debug) |
3216 | continue; |
3217 | |
3218 | /* find the available acpiget as described in the DSDT */ |
3219 | for (; item->acpiget && *item->acpiget; ++item->acpiget) { |
3220 | if (acpi_has_method(handle: sony_nc_acpi_handle, |
3221 | name: *item->acpiget)) { |
3222 | dprintk("Found %s getter: %s\n" , |
3223 | item->name, *item->acpiget); |
3224 | item->devattr.attr.mode |= S_IRUGO; |
3225 | break; |
3226 | } |
3227 | } |
3228 | |
3229 | /* find the available acpiset as described in the DSDT */ |
3230 | for (; item->acpiset && *item->acpiset; ++item->acpiset) { |
3231 | if (acpi_has_method(handle: sony_nc_acpi_handle, |
3232 | name: *item->acpiset)) { |
3233 | dprintk("Found %s setter: %s\n" , |
3234 | item->name, *item->acpiset); |
3235 | item->devattr.attr.mode |= S_IWUSR; |
3236 | break; |
3237 | } |
3238 | } |
3239 | |
3240 | if (item->devattr.attr.mode != 0) { |
3241 | result = |
3242 | device_create_file(device: &sony_pf_device->dev, |
3243 | entry: &item->devattr); |
3244 | if (result) |
3245 | goto out_sysfs; |
3246 | } |
3247 | } |
3248 | |
3249 | pr_info("SNC setup done.\n" ); |
3250 | return 0; |
3251 | |
3252 | out_sysfs: |
3253 | for (item = sony_nc_values; item->name; ++item) { |
3254 | device_remove_file(dev: &sony_pf_device->dev, attr: &item->devattr); |
3255 | } |
3256 | sony_nc_backlight_cleanup(); |
3257 | sony_nc_function_cleanup(pd: sony_pf_device); |
3258 | sony_nc_handles_cleanup(pd: sony_pf_device); |
3259 | |
3260 | outplatform: |
3261 | sony_laptop_remove_input(); |
3262 | |
3263 | outpresent: |
3264 | sony_pf_remove(); |
3265 | |
3266 | outwalk: |
3267 | sony_nc_rfkill_cleanup(); |
3268 | return result; |
3269 | } |
3270 | |
3271 | static void sony_nc_remove(struct acpi_device *device) |
3272 | { |
3273 | struct sony_nc_value *item; |
3274 | |
3275 | sony_nc_backlight_cleanup(); |
3276 | |
3277 | sony_nc_acpi_device = NULL; |
3278 | |
3279 | for (item = sony_nc_values; item->name; ++item) { |
3280 | device_remove_file(dev: &sony_pf_device->dev, attr: &item->devattr); |
3281 | } |
3282 | |
3283 | sony_nc_function_cleanup(pd: sony_pf_device); |
3284 | sony_nc_handles_cleanup(pd: sony_pf_device); |
3285 | sony_pf_remove(); |
3286 | sony_laptop_remove_input(); |
3287 | dprintk(SONY_NC_DRIVER_NAME " removed.\n" ); |
3288 | } |
3289 | |
3290 | static const struct acpi_device_id sony_device_ids[] __maybe_unused = { |
3291 | {SONY_NC_HID, 0}, |
3292 | {SONY_PIC_HID, 0}, |
3293 | {"" , 0}, |
3294 | }; |
3295 | MODULE_DEVICE_TABLE(acpi, sony_device_ids); |
3296 | |
3297 | static const struct acpi_device_id sony_nc_device_ids[] = { |
3298 | {SONY_NC_HID, 0}, |
3299 | {"" , 0}, |
3300 | }; |
3301 | |
3302 | static struct acpi_driver sony_nc_driver = { |
3303 | .name = SONY_NC_DRIVER_NAME, |
3304 | .class = SONY_NC_CLASS, |
3305 | .ids = sony_nc_device_ids, |
3306 | .owner = THIS_MODULE, |
3307 | .ops = { |
3308 | .add = sony_nc_add, |
3309 | .remove = sony_nc_remove, |
3310 | .notify = sony_nc_notify, |
3311 | }, |
3312 | .drv.pm = &sony_nc_pm, |
3313 | }; |
3314 | |
3315 | /*********** SPIC (SNY6001) Device ***********/ |
3316 | |
3317 | #define SONYPI_DEVICE_TYPE1 0x00000001 |
3318 | #define SONYPI_DEVICE_TYPE2 0x00000002 |
3319 | #define SONYPI_DEVICE_TYPE3 0x00000004 |
3320 | |
3321 | #define SONYPI_TYPE1_OFFSET 0x04 |
3322 | #define SONYPI_TYPE2_OFFSET 0x12 |
3323 | #define SONYPI_TYPE3_OFFSET 0x12 |
3324 | |
3325 | struct sony_pic_ioport { |
3326 | struct acpi_resource_io io1; |
3327 | struct acpi_resource_io io2; |
3328 | struct list_head list; |
3329 | }; |
3330 | |
3331 | struct sony_pic_irq { |
3332 | struct acpi_resource_irq irq; |
3333 | struct list_head list; |
3334 | }; |
3335 | |
3336 | struct sonypi_eventtypes { |
3337 | u8 data; |
3338 | unsigned long mask; |
3339 | struct sonypi_event *events; |
3340 | }; |
3341 | |
3342 | struct sony_pic_dev { |
3343 | struct acpi_device *acpi_dev; |
3344 | struct sony_pic_irq *cur_irq; |
3345 | struct sony_pic_ioport *cur_ioport; |
3346 | struct list_head interrupts; |
3347 | struct list_head ioports; |
3348 | struct mutex lock; |
3349 | struct sonypi_eventtypes *event_types; |
3350 | int (*handle_irq)(const u8, const u8); |
3351 | int model; |
3352 | u16 evport_offset; |
3353 | u8 camera_power; |
3354 | u8 bluetooth_power; |
3355 | u8 wwan_power; |
3356 | }; |
3357 | |
3358 | static struct sony_pic_dev spic_dev = { |
3359 | .interrupts = LIST_HEAD_INIT(spic_dev.interrupts), |
3360 | .ioports = LIST_HEAD_INIT(spic_dev.ioports), |
3361 | }; |
3362 | |
3363 | static int spic_drv_registered; |
3364 | |
3365 | /* Event masks */ |
3366 | #define SONYPI_JOGGER_MASK 0x00000001 |
3367 | #define SONYPI_CAPTURE_MASK 0x00000002 |
3368 | #define SONYPI_FNKEY_MASK 0x00000004 |
3369 | #define SONYPI_BLUETOOTH_MASK 0x00000008 |
3370 | #define SONYPI_PKEY_MASK 0x00000010 |
3371 | #define SONYPI_BACK_MASK 0x00000020 |
3372 | #define SONYPI_HELP_MASK 0x00000040 |
3373 | #define SONYPI_LID_MASK 0x00000080 |
3374 | #define SONYPI_ZOOM_MASK 0x00000100 |
3375 | #define SONYPI_THUMBPHRASE_MASK 0x00000200 |
3376 | #define SONYPI_MEYE_MASK 0x00000400 |
3377 | #define SONYPI_MEMORYSTICK_MASK 0x00000800 |
3378 | #define SONYPI_BATTERY_MASK 0x00001000 |
3379 | #define SONYPI_WIRELESS_MASK 0x00002000 |
3380 | |
3381 | struct sonypi_event { |
3382 | u8 data; |
3383 | u8 event; |
3384 | }; |
3385 | |
3386 | /* The set of possible button release events */ |
3387 | static struct sonypi_event sonypi_releaseev[] = { |
3388 | { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED }, |
3389 | { 0, 0 } |
3390 | }; |
3391 | |
3392 | /* The set of possible jogger events */ |
3393 | static struct sonypi_event sonypi_joggerev[] = { |
3394 | { 0x1f, SONYPI_EVENT_JOGDIAL_UP }, |
3395 | { 0x01, SONYPI_EVENT_JOGDIAL_DOWN }, |
3396 | { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED }, |
3397 | { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED }, |
3398 | { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP }, |
3399 | { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN }, |
3400 | { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED }, |
3401 | { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED }, |
3402 | { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP }, |
3403 | { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN }, |
3404 | { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED }, |
3405 | { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED }, |
3406 | { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED }, |
3407 | { 0, 0 } |
3408 | }; |
3409 | |
3410 | /* The set of possible capture button events */ |
3411 | static struct sonypi_event sonypi_captureev[] = { |
3412 | { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED }, |
3413 | { 0x07, SONYPI_EVENT_CAPTURE_PRESSED }, |
3414 | { 0x40, SONYPI_EVENT_CAPTURE_PRESSED }, |
3415 | { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED }, |
3416 | { 0, 0 } |
3417 | }; |
3418 | |
3419 | /* The set of possible fnkeys events */ |
3420 | static struct sonypi_event sonypi_fnkeyev[] = { |
3421 | { 0x10, SONYPI_EVENT_FNKEY_ESC }, |
3422 | { 0x11, SONYPI_EVENT_FNKEY_F1 }, |
3423 | { 0x12, SONYPI_EVENT_FNKEY_F2 }, |
3424 | { 0x13, SONYPI_EVENT_FNKEY_F3 }, |
3425 | { 0x14, SONYPI_EVENT_FNKEY_F4 }, |
3426 | { 0x15, SONYPI_EVENT_FNKEY_F5 }, |
3427 | { 0x16, SONYPI_EVENT_FNKEY_F6 }, |
3428 | { 0x17, SONYPI_EVENT_FNKEY_F7 }, |
3429 | { 0x18, SONYPI_EVENT_FNKEY_F8 }, |
3430 | { 0x19, SONYPI_EVENT_FNKEY_F9 }, |
3431 | { 0x1a, SONYPI_EVENT_FNKEY_F10 }, |
3432 | { 0x1b, SONYPI_EVENT_FNKEY_F11 }, |
3433 | { 0x1c, SONYPI_EVENT_FNKEY_F12 }, |
3434 | { 0x1f, SONYPI_EVENT_FNKEY_RELEASED }, |
3435 | { 0x21, SONYPI_EVENT_FNKEY_1 }, |
3436 | { 0x22, SONYPI_EVENT_FNKEY_2 }, |
3437 | { 0x31, SONYPI_EVENT_FNKEY_D }, |
3438 | { 0x32, SONYPI_EVENT_FNKEY_E }, |
3439 | { 0x33, SONYPI_EVENT_FNKEY_F }, |
3440 | { 0x34, SONYPI_EVENT_FNKEY_S }, |
3441 | { 0x35, SONYPI_EVENT_FNKEY_B }, |
3442 | { 0x36, SONYPI_EVENT_FNKEY_ONLY }, |
3443 | { 0, 0 } |
3444 | }; |
3445 | |
3446 | /* The set of possible program key events */ |
3447 | static struct sonypi_event sonypi_pkeyev[] = { |
3448 | { 0x01, SONYPI_EVENT_PKEY_P1 }, |
3449 | { 0x02, SONYPI_EVENT_PKEY_P2 }, |
3450 | { 0x04, SONYPI_EVENT_PKEY_P3 }, |
3451 | { 0x20, SONYPI_EVENT_PKEY_P1 }, |
3452 | { 0, 0 } |
3453 | }; |
3454 | |
3455 | /* The set of possible bluetooth events */ |
3456 | static struct sonypi_event sonypi_blueev[] = { |
3457 | { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED }, |
3458 | { 0x59, SONYPI_EVENT_BLUETOOTH_ON }, |
3459 | { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF }, |
3460 | { 0, 0 } |
3461 | }; |
3462 | |
3463 | /* The set of possible wireless events */ |
3464 | static struct sonypi_event sonypi_wlessev[] = { |
3465 | { 0x59, SONYPI_EVENT_IGNORE }, |
3466 | { 0x5a, SONYPI_EVENT_IGNORE }, |
3467 | { 0, 0 } |
3468 | }; |
3469 | |
3470 | /* The set of possible back button events */ |
3471 | static struct sonypi_event sonypi_backev[] = { |
3472 | { 0x20, SONYPI_EVENT_BACK_PRESSED }, |
3473 | { 0, 0 } |
3474 | }; |
3475 | |
3476 | /* The set of possible help button events */ |
3477 | static struct sonypi_event sonypi_helpev[] = { |
3478 | { 0x3b, SONYPI_EVENT_HELP_PRESSED }, |
3479 | { 0, 0 } |
3480 | }; |
3481 | |
3482 | |
3483 | /* The set of possible lid events */ |
3484 | static struct sonypi_event sonypi_lidev[] = { |
3485 | { 0x51, SONYPI_EVENT_LID_CLOSED }, |
3486 | { 0x50, SONYPI_EVENT_LID_OPENED }, |
3487 | { 0, 0 } |
3488 | }; |
3489 | |
3490 | /* The set of possible zoom events */ |
3491 | static struct sonypi_event sonypi_zoomev[] = { |
3492 | { 0x39, SONYPI_EVENT_ZOOM_PRESSED }, |
3493 | { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED }, |
3494 | { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED }, |
3495 | { 0x04, SONYPI_EVENT_ZOOM_PRESSED }, |
3496 | { 0, 0 } |
3497 | }; |
3498 | |
3499 | /* The set of possible thumbphrase events */ |
3500 | static struct sonypi_event sonypi_thumbphraseev[] = { |
3501 | { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED }, |
3502 | { 0, 0 } |
3503 | }; |
3504 | |
3505 | /* The set of possible motioneye camera events */ |
3506 | static struct sonypi_event sonypi_meyeev[] = { |
3507 | { 0x00, SONYPI_EVENT_MEYE_FACE }, |
3508 | { 0x01, SONYPI_EVENT_MEYE_OPPOSITE }, |
3509 | { 0, 0 } |
3510 | }; |
3511 | |
3512 | /* The set of possible memorystick events */ |
3513 | static struct sonypi_event sonypi_memorystickev[] = { |
3514 | { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT }, |
3515 | { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT }, |
3516 | { 0, 0 } |
3517 | }; |
3518 | |
3519 | /* The set of possible battery events */ |
3520 | static struct sonypi_event sonypi_batteryev[] = { |
3521 | { 0x20, SONYPI_EVENT_BATTERY_INSERT }, |
3522 | { 0x30, SONYPI_EVENT_BATTERY_REMOVE }, |
3523 | { 0, 0 } |
3524 | }; |
3525 | |
3526 | /* The set of possible volume events */ |
3527 | static struct sonypi_event sonypi_volumeev[] = { |
3528 | { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED }, |
3529 | { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED }, |
3530 | { 0, 0 } |
3531 | }; |
3532 | |
3533 | /* The set of possible brightness events */ |
3534 | static struct sonypi_event sonypi_brightnessev[] = { |
3535 | { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED }, |
3536 | { 0, 0 } |
3537 | }; |
3538 | |
3539 | static struct sonypi_eventtypes type1_events[] = { |
3540 | { 0, 0xffffffff, sonypi_releaseev }, |
3541 | { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev }, |
3542 | { 0x30, SONYPI_LID_MASK, sonypi_lidev }, |
3543 | { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev }, |
3544 | { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev }, |
3545 | { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, |
3546 | { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev }, |
3547 | { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev }, |
3548 | { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, |
3549 | { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev }, |
3550 | { 0 }, |
3551 | }; |
3552 | static struct sonypi_eventtypes type2_events[] = { |
3553 | { 0, 0xffffffff, sonypi_releaseev }, |
3554 | { 0x38, SONYPI_LID_MASK, sonypi_lidev }, |
3555 | { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev }, |
3556 | { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev }, |
3557 | { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, |
3558 | { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev }, |
3559 | { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev }, |
3560 | { 0x11, SONYPI_BACK_MASK, sonypi_backev }, |
3561 | { 0x21, SONYPI_HELP_MASK, sonypi_helpev }, |
3562 | { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev }, |
3563 | { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev }, |
3564 | { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, |
3565 | { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, |
3566 | { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev }, |
3567 | { 0 }, |
3568 | }; |
3569 | static struct sonypi_eventtypes type3_events[] = { |
3570 | { 0, 0xffffffff, sonypi_releaseev }, |
3571 | { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, |
3572 | { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev }, |
3573 | { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, |
3574 | { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, |
3575 | { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev }, |
3576 | { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev }, |
3577 | { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev }, |
3578 | { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev }, |
3579 | { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev }, |
3580 | { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev }, |
3581 | { 0 }, |
3582 | }; |
3583 | |
3584 | /* low level spic calls */ |
3585 | #define ITERATIONS_LONG 10000 |
3586 | #define ITERATIONS_SHORT 10 |
3587 | #define wait_on_command(command, iterations) { \ |
3588 | unsigned int n = iterations; \ |
3589 | while (--n && (command)) \ |
3590 | udelay(1); \ |
3591 | if (!n) \ |
3592 | dprintk("command failed at %s : %s (line %d)\n", \ |
3593 | __FILE__, __func__, __LINE__); \ |
3594 | } |
3595 | |
3596 | static u8 sony_pic_call1(u8 dev) |
3597 | { |
3598 | u8 v1, v2; |
3599 | |
3600 | wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, |
3601 | ITERATIONS_LONG); |
3602 | outb(value: dev, port: spic_dev.cur_ioport->io1.minimum + 4); |
3603 | v1 = inb_p(port: spic_dev.cur_ioport->io1.minimum + 4); |
3604 | v2 = inb_p(port: spic_dev.cur_ioport->io1.minimum); |
3605 | dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n" , dev, (v2 << 8) | v1); |
3606 | return v2; |
3607 | } |
3608 | |
3609 | static u8 sony_pic_call2(u8 dev, u8 fn) |
3610 | { |
3611 | u8 v1; |
3612 | |
3613 | wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, |
3614 | ITERATIONS_LONG); |
3615 | outb(value: dev, port: spic_dev.cur_ioport->io1.minimum + 4); |
3616 | wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, |
3617 | ITERATIONS_LONG); |
3618 | outb(value: fn, port: spic_dev.cur_ioport->io1.minimum); |
3619 | v1 = inb_p(port: spic_dev.cur_ioport->io1.minimum); |
3620 | dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n" , dev, fn, v1); |
3621 | return v1; |
3622 | } |
3623 | |
3624 | static u8 sony_pic_call3(u8 dev, u8 fn, u8 v) |
3625 | { |
3626 | u8 v1; |
3627 | |
3628 | wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); |
3629 | outb(value: dev, port: spic_dev.cur_ioport->io1.minimum + 4); |
3630 | wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); |
3631 | outb(value: fn, port: spic_dev.cur_ioport->io1.minimum); |
3632 | wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); |
3633 | outb(value: v, port: spic_dev.cur_ioport->io1.minimum); |
3634 | v1 = inb_p(port: spic_dev.cur_ioport->io1.minimum); |
3635 | dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n" , |
3636 | dev, fn, v, v1); |
3637 | return v1; |
3638 | } |
3639 | |
3640 | /* |
3641 | * minidrivers for SPIC models |
3642 | */ |
3643 | static int type3_handle_irq(const u8 data_mask, const u8 ev) |
3644 | { |
3645 | /* |
3646 | * 0x31 could mean we have to take some extra action and wait for |
3647 | * the next irq for some Type3 models, it will generate a new |
3648 | * irq and we can read new data from the device: |
3649 | * - 0x5c and 0x5f requires 0xA0 |
3650 | * - 0x61 requires 0xB3 |
3651 | */ |
3652 | if (data_mask == 0x31) { |
3653 | if (ev == 0x5c || ev == 0x5f) |
3654 | sony_pic_call1(dev: 0xA0); |
3655 | else if (ev == 0x61) |
3656 | sony_pic_call1(dev: 0xB3); |
3657 | return 0; |
3658 | } |
3659 | return 1; |
3660 | } |
3661 | |
3662 | static void sony_pic_detect_device_type(struct sony_pic_dev *dev) |
3663 | { |
3664 | struct pci_dev *pcidev; |
3665 | |
3666 | pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, |
3667 | PCI_DEVICE_ID_INTEL_82371AB_3, NULL); |
3668 | if (pcidev) { |
3669 | dev->model = SONYPI_DEVICE_TYPE1; |
3670 | dev->evport_offset = SONYPI_TYPE1_OFFSET; |
3671 | dev->event_types = type1_events; |
3672 | goto out; |
3673 | } |
3674 | |
3675 | pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, |
3676 | PCI_DEVICE_ID_INTEL_ICH6_1, NULL); |
3677 | if (pcidev) { |
3678 | dev->model = SONYPI_DEVICE_TYPE2; |
3679 | dev->evport_offset = SONYPI_TYPE2_OFFSET; |
3680 | dev->event_types = type2_events; |
3681 | goto out; |
3682 | } |
3683 | |
3684 | pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, |
3685 | PCI_DEVICE_ID_INTEL_ICH7_1, NULL); |
3686 | if (pcidev) { |
3687 | dev->model = SONYPI_DEVICE_TYPE3; |
3688 | dev->handle_irq = type3_handle_irq; |
3689 | dev->evport_offset = SONYPI_TYPE3_OFFSET; |
3690 | dev->event_types = type3_events; |
3691 | goto out; |
3692 | } |
3693 | |
3694 | pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, |
3695 | PCI_DEVICE_ID_INTEL_ICH8_4, NULL); |
3696 | if (pcidev) { |
3697 | dev->model = SONYPI_DEVICE_TYPE3; |
3698 | dev->handle_irq = type3_handle_irq; |
3699 | dev->evport_offset = SONYPI_TYPE3_OFFSET; |
3700 | dev->event_types = type3_events; |
3701 | goto out; |
3702 | } |
3703 | |
3704 | pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, |
3705 | PCI_DEVICE_ID_INTEL_ICH9_1, NULL); |
3706 | if (pcidev) { |
3707 | dev->model = SONYPI_DEVICE_TYPE3; |
3708 | dev->handle_irq = type3_handle_irq; |
3709 | dev->evport_offset = SONYPI_TYPE3_OFFSET; |
3710 | dev->event_types = type3_events; |
3711 | goto out; |
3712 | } |
3713 | |
3714 | /* default */ |
3715 | dev->model = SONYPI_DEVICE_TYPE2; |
3716 | dev->evport_offset = SONYPI_TYPE2_OFFSET; |
3717 | dev->event_types = type2_events; |
3718 | |
3719 | out: |
3720 | pci_dev_put(dev: pcidev); |
3721 | |
3722 | pr_info("detected Type%d model\n" , |
3723 | dev->model == SONYPI_DEVICE_TYPE1 ? 1 : |
3724 | dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3); |
3725 | } |
3726 | |
3727 | /* camera tests and poweron/poweroff */ |
3728 | #define SONYPI_CAMERA_PICTURE 5 |
3729 | #define SONYPI_CAMERA_CONTROL 0x10 |
3730 | |
3731 | #define SONYPI_CAMERA_BRIGHTNESS 0 |
3732 | #define SONYPI_CAMERA_CONTRAST 1 |
3733 | #define SONYPI_CAMERA_HUE 2 |
3734 | #define SONYPI_CAMERA_COLOR 3 |
3735 | #define SONYPI_CAMERA_SHARPNESS 4 |
3736 | |
3737 | #define SONYPI_CAMERA_EXPOSURE_MASK 0xC |
3738 | #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3 |
3739 | #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30 |
3740 | #define SONYPI_CAMERA_MUTE_MASK 0x40 |
3741 | |
3742 | /* the rest don't need a loop until not 0xff */ |
3743 | #define SONYPI_CAMERA_AGC 6 |
3744 | #define SONYPI_CAMERA_AGC_MASK 0x30 |
3745 | #define SONYPI_CAMERA_SHUTTER_MASK 0x7 |
3746 | |
3747 | #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7 |
3748 | #define SONYPI_CAMERA_CONTROL 0x10 |
3749 | |
3750 | #define SONYPI_CAMERA_STATUS 7 |
3751 | #define SONYPI_CAMERA_STATUS_READY 0x2 |
3752 | #define SONYPI_CAMERA_STATUS_POSITION 0x4 |
3753 | |
3754 | #define SONYPI_DIRECTION_BACKWARDS 0x4 |
3755 | |
3756 | #define SONYPI_CAMERA_REVISION 8 |
3757 | #define SONYPI_CAMERA_ROMVERSION 9 |
3758 | |
3759 | static int __sony_pic_camera_ready(void) |
3760 | { |
3761 | u8 v; |
3762 | |
3763 | v = sony_pic_call2(dev: 0x8f, SONYPI_CAMERA_STATUS); |
3764 | return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY)); |
3765 | } |
3766 | |
3767 | static int __sony_pic_camera_off(void) |
3768 | { |
3769 | if (!camera) { |
3770 | pr_warn("camera control not enabled\n" ); |
3771 | return -ENODEV; |
3772 | } |
3773 | |
3774 | wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, |
3775 | SONYPI_CAMERA_MUTE_MASK), |
3776 | ITERATIONS_SHORT); |
3777 | |
3778 | if (spic_dev.camera_power) { |
3779 | sony_pic_call2(dev: 0x91, fn: 0); |
3780 | spic_dev.camera_power = 0; |
3781 | } |
3782 | return 0; |
3783 | } |
3784 | |
3785 | static int __sony_pic_camera_on(void) |
3786 | { |
3787 | int i, j, x; |
3788 | |
3789 | if (!camera) { |
3790 | pr_warn("camera control not enabled\n" ); |
3791 | return -ENODEV; |
3792 | } |
3793 | |
3794 | if (spic_dev.camera_power) |
3795 | return 0; |
3796 | |
3797 | for (j = 5; j > 0; j--) { |
3798 | |
3799 | for (x = 0; x < 100 && sony_pic_call2(dev: 0x91, fn: 0x1); x++) |
3800 | msleep(msecs: 10); |
3801 | sony_pic_call1(dev: 0x93); |
3802 | |
3803 | for (i = 400; i > 0; i--) { |
3804 | if (__sony_pic_camera_ready()) |
3805 | break; |
3806 | msleep(msecs: 10); |
3807 | } |
3808 | if (i) |
3809 | break; |
3810 | } |
3811 | |
3812 | if (j == 0) { |
3813 | pr_warn("failed to power on camera\n" ); |
3814 | return -ENODEV; |
3815 | } |
3816 | |
3817 | wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL, |
3818 | 0x5a), |
3819 | ITERATIONS_SHORT); |
3820 | |
3821 | spic_dev.camera_power = 1; |
3822 | return 0; |
3823 | } |
3824 | |
3825 | /* External camera command (exported to the motion eye v4l driver) */ |
3826 | int sony_pic_camera_command(int command, u8 value) |
3827 | { |
3828 | if (!camera) |
3829 | return -EIO; |
3830 | |
3831 | mutex_lock(&spic_dev.lock); |
3832 | |
3833 | switch (command) { |
3834 | case SONY_PIC_COMMAND_SETCAMERA: |
3835 | if (value) |
3836 | __sony_pic_camera_on(); |
3837 | else |
3838 | __sony_pic_camera_off(); |
3839 | break; |
3840 | case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS: |
3841 | wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value), |
3842 | ITERATIONS_SHORT); |
3843 | break; |
3844 | case SONY_PIC_COMMAND_SETCAMERACONTRAST: |
3845 | wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value), |
3846 | ITERATIONS_SHORT); |
3847 | break; |
3848 | case SONY_PIC_COMMAND_SETCAMERAHUE: |
3849 | wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value), |
3850 | ITERATIONS_SHORT); |
3851 | break; |
3852 | case SONY_PIC_COMMAND_SETCAMERACOLOR: |
3853 | wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value), |
3854 | ITERATIONS_SHORT); |
3855 | break; |
3856 | case SONY_PIC_COMMAND_SETCAMERASHARPNESS: |
3857 | wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value), |
3858 | ITERATIONS_SHORT); |
3859 | break; |
3860 | case SONY_PIC_COMMAND_SETCAMERAPICTURE: |
3861 | wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value), |
3862 | ITERATIONS_SHORT); |
3863 | break; |
3864 | case SONY_PIC_COMMAND_SETCAMERAAGC: |
3865 | wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value), |
3866 | ITERATIONS_SHORT); |
3867 | break; |
3868 | default: |
3869 | pr_err("sony_pic_camera_command invalid: %d\n" , command); |
3870 | break; |
3871 | } |
3872 | mutex_unlock(lock: &spic_dev.lock); |
3873 | return 0; |
3874 | } |
3875 | EXPORT_SYMBOL(sony_pic_camera_command); |
3876 | |
3877 | /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */ |
3878 | static void __sony_pic_set_wwanpower(u8 state) |
3879 | { |
3880 | state = !!state; |
3881 | if (spic_dev.wwan_power == state) |
3882 | return; |
3883 | sony_pic_call2(dev: 0xB0, fn: state); |
3884 | sony_pic_call1(dev: 0x82); |
3885 | spic_dev.wwan_power = state; |
3886 | } |
3887 | |
3888 | static ssize_t sony_pic_wwanpower_store(struct device *dev, |
3889 | struct device_attribute *attr, |
3890 | const char *buffer, size_t count) |
3891 | { |
3892 | unsigned long value; |
3893 | if (count > 31) |
3894 | return -EINVAL; |
3895 | |
3896 | if (kstrtoul(s: buffer, base: 10, res: &value)) |
3897 | return -EINVAL; |
3898 | |
3899 | mutex_lock(&spic_dev.lock); |
3900 | __sony_pic_set_wwanpower(state: value); |
3901 | mutex_unlock(lock: &spic_dev.lock); |
3902 | |
3903 | return count; |
3904 | } |
3905 | |
3906 | static ssize_t sony_pic_wwanpower_show(struct device *dev, |
3907 | struct device_attribute *attr, char *buffer) |
3908 | { |
3909 | ssize_t count; |
3910 | mutex_lock(&spic_dev.lock); |
3911 | count = sysfs_emit(buf: buffer, fmt: "%d\n" , spic_dev.wwan_power); |
3912 | mutex_unlock(lock: &spic_dev.lock); |
3913 | return count; |
3914 | } |
3915 | |
3916 | /* bluetooth subsystem power state */ |
3917 | static void __sony_pic_set_bluetoothpower(u8 state) |
3918 | { |
3919 | state = !!state; |
3920 | if (spic_dev.bluetooth_power == state) |
3921 | return; |
3922 | sony_pic_call2(dev: 0x96, fn: state); |
3923 | sony_pic_call1(dev: 0x82); |
3924 | spic_dev.bluetooth_power = state; |
3925 | } |
3926 | |
3927 | static ssize_t sony_pic_bluetoothpower_store(struct device *dev, |
3928 | struct device_attribute *attr, |
3929 | const char *buffer, size_t count) |
3930 | { |
3931 | unsigned long value; |
3932 | if (count > 31) |
3933 | return -EINVAL; |
3934 | |
3935 | if (kstrtoul(s: buffer, base: 10, res: &value)) |
3936 | return -EINVAL; |
3937 | |
3938 | mutex_lock(&spic_dev.lock); |
3939 | __sony_pic_set_bluetoothpower(state: value); |
3940 | mutex_unlock(lock: &spic_dev.lock); |
3941 | |
3942 | return count; |
3943 | } |
3944 | |
3945 | static ssize_t sony_pic_bluetoothpower_show(struct device *dev, |
3946 | struct device_attribute *attr, char *buffer) |
3947 | { |
3948 | ssize_t count = 0; |
3949 | mutex_lock(&spic_dev.lock); |
3950 | count = sysfs_emit(buf: buffer, fmt: "%d\n" , spic_dev.bluetooth_power); |
3951 | mutex_unlock(lock: &spic_dev.lock); |
3952 | return count; |
3953 | } |
3954 | |
3955 | /* fan speed */ |
3956 | /* FAN0 information (reverse engineered from ACPI tables) */ |
3957 | #define SONY_PIC_FAN0_STATUS 0x93 |
3958 | static int sony_pic_set_fanspeed(unsigned long value) |
3959 | { |
3960 | return ec_write(SONY_PIC_FAN0_STATUS, val: value); |
3961 | } |
3962 | |
3963 | static int sony_pic_get_fanspeed(u8 *value) |
3964 | { |
3965 | return ec_read(SONY_PIC_FAN0_STATUS, val: value); |
3966 | } |
3967 | |
3968 | static ssize_t sony_pic_fanspeed_store(struct device *dev, |
3969 | struct device_attribute *attr, |
3970 | const char *buffer, size_t count) |
3971 | { |
3972 | unsigned long value; |
3973 | if (count > 31) |
3974 | return -EINVAL; |
3975 | |
3976 | if (kstrtoul(s: buffer, base: 10, res: &value)) |
3977 | return -EINVAL; |
3978 | |
3979 | if (sony_pic_set_fanspeed(value)) |
3980 | return -EIO; |
3981 | |
3982 | return count; |
3983 | } |
3984 | |
3985 | static ssize_t sony_pic_fanspeed_show(struct device *dev, |
3986 | struct device_attribute *attr, char *buffer) |
3987 | { |
3988 | u8 value = 0; |
3989 | if (sony_pic_get_fanspeed(value: &value)) |
3990 | return -EIO; |
3991 | |
3992 | return sysfs_emit(buf: buffer, fmt: "%d\n" , value); |
3993 | } |
3994 | |
3995 | #define SPIC_ATTR(_name, _mode) \ |
3996 | struct device_attribute spic_attr_##_name = __ATTR(_name, \ |
3997 | _mode, sony_pic_## _name ##_show, \ |
3998 | sony_pic_## _name ##_store) |
3999 | |
4000 | static SPIC_ATTR(bluetoothpower, 0644); |
4001 | static SPIC_ATTR(wwanpower, 0644); |
4002 | static SPIC_ATTR(fanspeed, 0644); |
4003 | |
4004 | static struct attribute *spic_attributes[] = { |
4005 | &spic_attr_bluetoothpower.attr, |
4006 | &spic_attr_wwanpower.attr, |
4007 | &spic_attr_fanspeed.attr, |
4008 | NULL |
4009 | }; |
4010 | |
4011 | static const struct attribute_group spic_attribute_group = { |
4012 | .attrs = spic_attributes |
4013 | }; |
4014 | |
4015 | /******** SONYPI compatibility **********/ |
4016 | #ifdef CONFIG_SONYPI_COMPAT |
4017 | |
4018 | /* battery / brightness / temperature addresses */ |
4019 | #define SONYPI_BAT_FLAGS 0x81 |
4020 | #define SONYPI_LCD_LIGHT 0x96 |
4021 | #define SONYPI_BAT1_PCTRM 0xa0 |
4022 | #define SONYPI_BAT1_LEFT 0xa2 |
4023 | #define SONYPI_BAT1_MAXRT 0xa4 |
4024 | #define SONYPI_BAT2_PCTRM 0xa8 |
4025 | #define SONYPI_BAT2_LEFT 0xaa |
4026 | #define SONYPI_BAT2_MAXRT 0xac |
4027 | #define SONYPI_BAT1_MAXTK 0xb0 |
4028 | #define SONYPI_BAT1_FULL 0xb2 |
4029 | #define SONYPI_BAT2_MAXTK 0xb8 |
4030 | #define SONYPI_BAT2_FULL 0xba |
4031 | #define SONYPI_TEMP_STATUS 0xC1 |
4032 | |
4033 | struct sonypi_compat_s { |
4034 | struct fasync_struct *fifo_async; |
4035 | struct kfifo fifo; |
4036 | spinlock_t fifo_lock; |
4037 | wait_queue_head_t fifo_proc_list; |
4038 | atomic_t open_count; |
4039 | }; |
4040 | static struct sonypi_compat_s sonypi_compat = { |
4041 | .open_count = ATOMIC_INIT(0), |
4042 | }; |
4043 | |
4044 | static int sonypi_misc_fasync(int fd, struct file *filp, int on) |
4045 | { |
4046 | return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async); |
4047 | } |
4048 | |
4049 | static int sonypi_misc_release(struct inode *inode, struct file *file) |
4050 | { |
4051 | atomic_dec(v: &sonypi_compat.open_count); |
4052 | return 0; |
4053 | } |
4054 | |
4055 | static int sonypi_misc_open(struct inode *inode, struct file *file) |
4056 | { |
4057 | /* Flush input queue on first open */ |
4058 | unsigned long flags; |
4059 | |
4060 | spin_lock_irqsave(&sonypi_compat.fifo_lock, flags); |
4061 | |
4062 | if (atomic_inc_return(v: &sonypi_compat.open_count) == 1) |
4063 | kfifo_reset(&sonypi_compat.fifo); |
4064 | |
4065 | spin_unlock_irqrestore(lock: &sonypi_compat.fifo_lock, flags); |
4066 | |
4067 | return 0; |
4068 | } |
4069 | |
4070 | static ssize_t sonypi_misc_read(struct file *file, char __user *buf, |
4071 | size_t count, loff_t *pos) |
4072 | { |
4073 | ssize_t ret; |
4074 | unsigned char c; |
4075 | |
4076 | if ((kfifo_len(&sonypi_compat.fifo) == 0) && |
4077 | (file->f_flags & O_NONBLOCK)) |
4078 | return -EAGAIN; |
4079 | |
4080 | ret = wait_event_interruptible(sonypi_compat.fifo_proc_list, |
4081 | kfifo_len(&sonypi_compat.fifo) != 0); |
4082 | if (ret) |
4083 | return ret; |
4084 | |
4085 | while (ret < count && |
4086 | (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c), |
4087 | &sonypi_compat.fifo_lock) == sizeof(c))) { |
4088 | if (put_user(c, buf++)) |
4089 | return -EFAULT; |
4090 | ret++; |
4091 | } |
4092 | |
4093 | if (ret > 0) { |
4094 | struct inode *inode = file_inode(f: file); |
4095 | inode_set_atime_to_ts(inode, ts: current_time(inode)); |
4096 | } |
4097 | |
4098 | return ret; |
4099 | } |
4100 | |
4101 | static __poll_t sonypi_misc_poll(struct file *file, poll_table *wait) |
4102 | { |
4103 | poll_wait(filp: file, wait_address: &sonypi_compat.fifo_proc_list, p: wait); |
4104 | if (kfifo_len(&sonypi_compat.fifo)) |
4105 | return EPOLLIN | EPOLLRDNORM; |
4106 | return 0; |
4107 | } |
4108 | |
4109 | static int ec_read16(u8 addr, u16 *value) |
4110 | { |
4111 | u8 val_lb, val_hb; |
4112 | if (ec_read(addr, val: &val_lb)) |
4113 | return -1; |
4114 | if (ec_read(addr: addr + 1, val: &val_hb)) |
4115 | return -1; |
4116 | *value = val_lb | (val_hb << 8); |
4117 | return 0; |
4118 | } |
4119 | |
4120 | static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd, |
4121 | unsigned long arg) |
4122 | { |
4123 | int ret = 0; |
4124 | void __user *argp = (void __user *)arg; |
4125 | u8 val8; |
4126 | u16 val16; |
4127 | int value; |
4128 | |
4129 | mutex_lock(&spic_dev.lock); |
4130 | switch (cmd) { |
4131 | case SONYPI_IOCGBRT: |
4132 | if (sony_bl_props.dev == NULL) { |
4133 | ret = -EIO; |
4134 | break; |
4135 | } |
4136 | if (sony_nc_int_call(handle: sony_nc_acpi_handle, name: "GBRT" , NULL, |
4137 | result: &value)) { |
4138 | ret = -EIO; |
4139 | break; |
4140 | } |
4141 | val8 = ((value & 0xff) - 1) << 5; |
4142 | if (copy_to_user(to: argp, from: &val8, n: sizeof(val8))) |
4143 | ret = -EFAULT; |
4144 | break; |
4145 | case SONYPI_IOCSBRT: |
4146 | if (sony_bl_props.dev == NULL) { |
4147 | ret = -EIO; |
4148 | break; |
4149 | } |
4150 | if (copy_from_user(to: &val8, from: argp, n: sizeof(val8))) { |
4151 | ret = -EFAULT; |
4152 | break; |
4153 | } |
4154 | value = (val8 >> 5) + 1; |
4155 | if (sony_nc_int_call(handle: sony_nc_acpi_handle, name: "SBRT" , value: &value, |
4156 | NULL)) { |
4157 | ret = -EIO; |
4158 | break; |
4159 | } |
4160 | /* sync the backlight device status */ |
4161 | sony_bl_props.dev->props.brightness = |
4162 | sony_backlight_get_brightness(bd: sony_bl_props.dev); |
4163 | break; |
4164 | case SONYPI_IOCGBAT1CAP: |
4165 | if (ec_read16(SONYPI_BAT1_FULL, value: &val16)) { |
4166 | ret = -EIO; |
4167 | break; |
4168 | } |
4169 | if (copy_to_user(to: argp, from: &val16, n: sizeof(val16))) |
4170 | ret = -EFAULT; |
4171 | break; |
4172 | case SONYPI_IOCGBAT1REM: |
4173 | if (ec_read16(SONYPI_BAT1_LEFT, value: &val16)) { |
4174 | ret = -EIO; |
4175 | break; |
4176 | } |
4177 | if (copy_to_user(to: argp, from: &val16, n: sizeof(val16))) |
4178 | ret = -EFAULT; |
4179 | break; |
4180 | case SONYPI_IOCGBAT2CAP: |
4181 | if (ec_read16(SONYPI_BAT2_FULL, value: &val16)) { |
4182 | ret = -EIO; |
4183 | break; |
4184 | } |
4185 | if (copy_to_user(to: argp, from: &val16, n: sizeof(val16))) |
4186 | ret = -EFAULT; |
4187 | break; |
4188 | case SONYPI_IOCGBAT2REM: |
4189 | if (ec_read16(SONYPI_BAT2_LEFT, value: &val16)) { |
4190 | ret = -EIO; |
4191 | break; |
4192 | } |
4193 | if (copy_to_user(to: argp, from: &val16, n: sizeof(val16))) |
4194 | ret = -EFAULT; |
4195 | break; |
4196 | case SONYPI_IOCGBATFLAGS: |
4197 | if (ec_read(SONYPI_BAT_FLAGS, val: &val8)) { |
4198 | ret = -EIO; |
4199 | break; |
4200 | } |
4201 | val8 &= 0x07; |
4202 | if (copy_to_user(to: argp, from: &val8, n: sizeof(val8))) |
4203 | ret = -EFAULT; |
4204 | break; |
4205 | case SONYPI_IOCGBLUE: |
4206 | val8 = spic_dev.bluetooth_power; |
4207 | if (copy_to_user(to: argp, from: &val8, n: sizeof(val8))) |
4208 | ret = -EFAULT; |
4209 | break; |
4210 | case SONYPI_IOCSBLUE: |
4211 | if (copy_from_user(to: &val8, from: argp, n: sizeof(val8))) { |
4212 | ret = -EFAULT; |
4213 | break; |
4214 | } |
4215 | __sony_pic_set_bluetoothpower(state: val8); |
4216 | break; |
4217 | /* FAN Controls */ |
4218 | case SONYPI_IOCGFAN: |
4219 | if (sony_pic_get_fanspeed(value: &val8)) { |
4220 | ret = -EIO; |
4221 | break; |
4222 | } |
4223 | if (copy_to_user(to: argp, from: &val8, n: sizeof(val8))) |
4224 | ret = -EFAULT; |
4225 | break; |
4226 | case SONYPI_IOCSFAN: |
4227 | if (copy_from_user(to: &val8, from: argp, n: sizeof(val8))) { |
4228 | ret = -EFAULT; |
4229 | break; |
4230 | } |
4231 | if (sony_pic_set_fanspeed(value: val8)) |
4232 | ret = -EIO; |
4233 | break; |
4234 | /* GET Temperature (useful under APM) */ |
4235 | case SONYPI_IOCGTEMP: |
4236 | if (ec_read(SONYPI_TEMP_STATUS, val: &val8)) { |
4237 | ret = -EIO; |
4238 | break; |
4239 | } |
4240 | if (copy_to_user(to: argp, from: &val8, n: sizeof(val8))) |
4241 | ret = -EFAULT; |
4242 | break; |
4243 | default: |
4244 | ret = -EINVAL; |
4245 | } |
4246 | mutex_unlock(lock: &spic_dev.lock); |
4247 | return ret; |
4248 | } |
4249 | |
4250 | static const struct file_operations sonypi_misc_fops = { |
4251 | .owner = THIS_MODULE, |
4252 | .read = sonypi_misc_read, |
4253 | .poll = sonypi_misc_poll, |
4254 | .open = sonypi_misc_open, |
4255 | .release = sonypi_misc_release, |
4256 | .fasync = sonypi_misc_fasync, |
4257 | .unlocked_ioctl = sonypi_misc_ioctl, |
4258 | .llseek = noop_llseek, |
4259 | }; |
4260 | |
4261 | static struct miscdevice sonypi_misc_device = { |
4262 | .minor = MISC_DYNAMIC_MINOR, |
4263 | .name = "sonypi" , |
4264 | .fops = &sonypi_misc_fops, |
4265 | }; |
4266 | |
4267 | static void sonypi_compat_report_event(u8 event) |
4268 | { |
4269 | kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event, |
4270 | sizeof(event), &sonypi_compat.fifo_lock); |
4271 | kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN); |
4272 | wake_up_interruptible(&sonypi_compat.fifo_proc_list); |
4273 | } |
4274 | |
4275 | static int sonypi_compat_init(void) |
4276 | { |
4277 | int error; |
4278 | |
4279 | spin_lock_init(&sonypi_compat.fifo_lock); |
4280 | error = |
4281 | kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL); |
4282 | if (error) { |
4283 | pr_err("kfifo_alloc failed\n" ); |
4284 | return error; |
4285 | } |
4286 | |
4287 | init_waitqueue_head(&sonypi_compat.fifo_proc_list); |
4288 | |
4289 | if (minor != -1) |
4290 | sonypi_misc_device.minor = minor; |
4291 | error = misc_register(misc: &sonypi_misc_device); |
4292 | if (error) { |
4293 | pr_err("misc_register failed\n" ); |
4294 | goto err_free_kfifo; |
4295 | } |
4296 | if (minor == -1) |
4297 | pr_info("device allocated minor is %d\n" , |
4298 | sonypi_misc_device.minor); |
4299 | |
4300 | return 0; |
4301 | |
4302 | err_free_kfifo: |
4303 | kfifo_free(&sonypi_compat.fifo); |
4304 | return error; |
4305 | } |
4306 | |
4307 | static void sonypi_compat_exit(void) |
4308 | { |
4309 | misc_deregister(misc: &sonypi_misc_device); |
4310 | kfifo_free(&sonypi_compat.fifo); |
4311 | } |
4312 | #else |
4313 | static int sonypi_compat_init(void) { return 0; } |
4314 | static void sonypi_compat_exit(void) { } |
4315 | static void sonypi_compat_report_event(u8 event) { } |
4316 | #endif /* CONFIG_SONYPI_COMPAT */ |
4317 | |
4318 | /* |
4319 | * ACPI callbacks |
4320 | */ |
4321 | static acpi_status |
4322 | sony_pic_read_possible_resource(struct acpi_resource *resource, void *context) |
4323 | { |
4324 | u32 i; |
4325 | struct sony_pic_dev *dev = (struct sony_pic_dev *)context; |
4326 | |
4327 | switch (resource->type) { |
4328 | case ACPI_RESOURCE_TYPE_START_DEPENDENT: |
4329 | { |
4330 | /* start IO enumeration */ |
4331 | struct sony_pic_ioport *ioport = kzalloc(size: sizeof(*ioport), GFP_KERNEL); |
4332 | if (!ioport) |
4333 | return AE_ERROR; |
4334 | |
4335 | list_add(new: &ioport->list, head: &dev->ioports); |
4336 | return AE_OK; |
4337 | } |
4338 | |
4339 | case ACPI_RESOURCE_TYPE_END_DEPENDENT: |
4340 | /* end IO enumeration */ |
4341 | return AE_OK; |
4342 | |
4343 | case ACPI_RESOURCE_TYPE_IRQ: |
4344 | { |
4345 | struct acpi_resource_irq *p = &resource->data.irq; |
4346 | struct sony_pic_irq *interrupt = NULL; |
4347 | if (!p->interrupt_count) { |
4348 | /* |
4349 | * IRQ descriptors may have no IRQ# bits set, |
4350 | * particularly those those w/ _STA disabled |
4351 | */ |
4352 | dprintk("Blank IRQ resource\n" ); |
4353 | return AE_OK; |
4354 | } |
4355 | for (i = 0; i < p->interrupt_count; i++) { |
4356 | if (!p->interrupts[i]) { |
4357 | pr_warn("Invalid IRQ %d\n" , |
4358 | p->interrupts[i]); |
4359 | continue; |
4360 | } |
4361 | interrupt = kzalloc(size: sizeof(*interrupt), |
4362 | GFP_KERNEL); |
4363 | if (!interrupt) |
4364 | return AE_ERROR; |
4365 | |
4366 | list_add(new: &interrupt->list, head: &dev->interrupts); |
4367 | interrupt->irq.triggering = p->triggering; |
4368 | interrupt->irq.polarity = p->polarity; |
4369 | interrupt->irq.shareable = p->shareable; |
4370 | interrupt->irq.interrupt_count = 1; |
4371 | interrupt->irq.interrupts[0] = p->interrupts[i]; |
4372 | } |
4373 | return AE_OK; |
4374 | } |
4375 | case ACPI_RESOURCE_TYPE_IO: |
4376 | { |
4377 | struct acpi_resource_io *io = &resource->data.io; |
4378 | struct sony_pic_ioport *ioport = |
4379 | list_first_entry(&dev->ioports, struct sony_pic_ioport, list); |
4380 | if (!ioport->io1.minimum) { |
4381 | memcpy(&ioport->io1, io, sizeof(*io)); |
4382 | dprintk("IO1 at 0x%.4x (0x%.2x)\n" , ioport->io1.minimum, |
4383 | ioport->io1.address_length); |
4384 | } |
4385 | else if (!ioport->io2.minimum) { |
4386 | memcpy(&ioport->io2, io, sizeof(*io)); |
4387 | dprintk("IO2 at 0x%.4x (0x%.2x)\n" , ioport->io2.minimum, |
4388 | ioport->io2.address_length); |
4389 | } |
4390 | else { |
4391 | pr_err("Unknown SPIC Type, more than 2 IO Ports\n" ); |
4392 | return AE_ERROR; |
4393 | } |
4394 | return AE_OK; |
4395 | } |
4396 | |
4397 | case ACPI_RESOURCE_TYPE_END_TAG: |
4398 | return AE_OK; |
4399 | |
4400 | default: |
4401 | dprintk("Resource %d isn't an IRQ nor an IO port\n" , |
4402 | resource->type); |
4403 | return AE_CTRL_TERMINATE; |
4404 | |
4405 | } |
4406 | } |
4407 | |
4408 | static int sony_pic_possible_resources(struct acpi_device *device) |
4409 | { |
4410 | int result = 0; |
4411 | acpi_status status = AE_OK; |
4412 | |
4413 | if (!device) |
4414 | return -EINVAL; |
4415 | |
4416 | /* get device status */ |
4417 | /* see acpi_pci_link_get_current acpi_pci_link_get_possible */ |
4418 | dprintk("Evaluating _STA\n" ); |
4419 | result = acpi_bus_get_status(device); |
4420 | if (result) { |
4421 | pr_warn("Unable to read status\n" ); |
4422 | goto end; |
4423 | } |
4424 | |
4425 | if (!device->status.enabled) |
4426 | dprintk("Device disabled\n" ); |
4427 | else |
4428 | dprintk("Device enabled\n" ); |
4429 | |
4430 | /* |
4431 | * Query and parse 'method' |
4432 | */ |
4433 | dprintk("Evaluating %s\n" , METHOD_NAME__PRS); |
4434 | status = acpi_walk_resources(device: device->handle, METHOD_NAME__PRS, |
4435 | user_function: sony_pic_read_possible_resource, context: &spic_dev); |
4436 | if (ACPI_FAILURE(status)) { |
4437 | pr_warn("Failure evaluating %s\n" , METHOD_NAME__PRS); |
4438 | result = -ENODEV; |
4439 | } |
4440 | end: |
4441 | return result; |
4442 | } |
4443 | |
4444 | /* |
4445 | * Disable the spic device by calling its _DIS method |
4446 | */ |
4447 | static int sony_pic_disable(struct acpi_device *device) |
4448 | { |
4449 | acpi_status ret = acpi_evaluate_object(object: device->handle, pathname: "_DIS" , NULL, |
4450 | NULL); |
4451 | |
4452 | if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND) |
4453 | return -ENXIO; |
4454 | |
4455 | dprintk("Device disabled\n" ); |
4456 | return 0; |
4457 | } |
4458 | |
4459 | |
4460 | /* |
4461 | * Based on drivers/acpi/pci_link.c:acpi_pci_link_set |
4462 | * |
4463 | * Call _SRS to set current resources |
4464 | */ |
4465 | static int sony_pic_enable(struct acpi_device *device, |
4466 | struct sony_pic_ioport *ioport, struct sony_pic_irq *irq) |
4467 | { |
4468 | acpi_status status; |
4469 | int result = 0; |
4470 | /* Type 1 resource layout is: |
4471 | * IO |
4472 | * IO |
4473 | * IRQNoFlags |
4474 | * End |
4475 | * |
4476 | * Type 2 and 3 resource layout is: |
4477 | * IO |
4478 | * IRQNoFlags |
4479 | * End |
4480 | */ |
4481 | struct { |
4482 | struct acpi_resource res1; |
4483 | struct acpi_resource res2; |
4484 | struct acpi_resource res3; |
4485 | struct acpi_resource res4; |
4486 | } *resource; |
4487 | struct acpi_buffer buffer = { 0, NULL }; |
4488 | |
4489 | if (!ioport || !irq) |
4490 | return -EINVAL; |
4491 | |
4492 | /* init acpi_buffer */ |
4493 | resource = kzalloc(size: sizeof(*resource) + 1, GFP_KERNEL); |
4494 | if (!resource) |
4495 | return -ENOMEM; |
4496 | |
4497 | buffer.length = sizeof(*resource) + 1; |
4498 | buffer.pointer = resource; |
4499 | |
4500 | /* setup Type 1 resources */ |
4501 | if (spic_dev.model == SONYPI_DEVICE_TYPE1) { |
4502 | |
4503 | /* setup io resources */ |
4504 | resource->res1.type = ACPI_RESOURCE_TYPE_IO; |
4505 | resource->res1.length = sizeof(struct acpi_resource); |
4506 | memcpy(&resource->res1.data.io, &ioport->io1, |
4507 | sizeof(struct acpi_resource_io)); |
4508 | |
4509 | resource->res2.type = ACPI_RESOURCE_TYPE_IO; |
4510 | resource->res2.length = sizeof(struct acpi_resource); |
4511 | memcpy(&resource->res2.data.io, &ioport->io2, |
4512 | sizeof(struct acpi_resource_io)); |
4513 | |
4514 | /* setup irq resource */ |
4515 | resource->res3.type = ACPI_RESOURCE_TYPE_IRQ; |
4516 | resource->res3.length = sizeof(struct acpi_resource); |
4517 | memcpy(&resource->res3.data.irq, &irq->irq, |
4518 | sizeof(struct acpi_resource_irq)); |
4519 | /* we requested a shared irq */ |
4520 | resource->res3.data.irq.shareable = ACPI_SHARED; |
4521 | |
4522 | resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG; |
4523 | resource->res4.length = sizeof(struct acpi_resource); |
4524 | } |
4525 | /* setup Type 2/3 resources */ |
4526 | else { |
4527 | /* setup io resource */ |
4528 | resource->res1.type = ACPI_RESOURCE_TYPE_IO; |
4529 | resource->res1.length = sizeof(struct acpi_resource); |
4530 | memcpy(&resource->res1.data.io, &ioport->io1, |
4531 | sizeof(struct acpi_resource_io)); |
4532 | |
4533 | /* setup irq resource */ |
4534 | resource->res2.type = ACPI_RESOURCE_TYPE_IRQ; |
4535 | resource->res2.length = sizeof(struct acpi_resource); |
4536 | memcpy(&resource->res2.data.irq, &irq->irq, |
4537 | sizeof(struct acpi_resource_irq)); |
4538 | /* we requested a shared irq */ |
4539 | resource->res2.data.irq.shareable = ACPI_SHARED; |
4540 | |
4541 | resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG; |
4542 | resource->res3.length = sizeof(struct acpi_resource); |
4543 | } |
4544 | |
4545 | /* Attempt to set the resource */ |
4546 | dprintk("Evaluating _SRS\n" ); |
4547 | status = acpi_set_current_resources(device: device->handle, in_buffer: &buffer); |
4548 | |
4549 | /* check for total failure */ |
4550 | if (ACPI_FAILURE(status)) { |
4551 | pr_err("Error evaluating _SRS\n" ); |
4552 | result = -ENODEV; |
4553 | goto end; |
4554 | } |
4555 | |
4556 | /* Necessary device initializations calls (from sonypi) */ |
4557 | sony_pic_call1(dev: 0x82); |
4558 | sony_pic_call2(dev: 0x81, fn: 0xff); |
4559 | sony_pic_call1(dev: compat ? 0x92 : 0x82); |
4560 | |
4561 | end: |
4562 | kfree(objp: resource); |
4563 | return result; |
4564 | } |
4565 | |
4566 | /***************** |
4567 | * |
4568 | * ISR: some event is available |
4569 | * |
4570 | *****************/ |
4571 | static irqreturn_t sony_pic_irq(int irq, void *dev_id) |
4572 | { |
4573 | int i, j; |
4574 | u8 ev = 0; |
4575 | u8 data_mask = 0; |
4576 | u8 device_event = 0; |
4577 | |
4578 | struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id; |
4579 | |
4580 | ev = inb_p(port: dev->cur_ioport->io1.minimum); |
4581 | if (dev->cur_ioport->io2.minimum) |
4582 | data_mask = inb_p(port: dev->cur_ioport->io2.minimum); |
4583 | else |
4584 | data_mask = inb_p(port: dev->cur_ioport->io1.minimum + |
4585 | dev->evport_offset); |
4586 | |
4587 | dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n" , |
4588 | ev, data_mask, dev->cur_ioport->io1.minimum, |
4589 | dev->evport_offset); |
4590 | |
4591 | if (ev == 0x00 || ev == 0xff) |
4592 | return IRQ_HANDLED; |
4593 | |
4594 | for (i = 0; dev->event_types[i].mask; i++) { |
4595 | |
4596 | if ((data_mask & dev->event_types[i].data) != |
4597 | dev->event_types[i].data) |
4598 | continue; |
4599 | |
4600 | if (!(mask & dev->event_types[i].mask)) |
4601 | continue; |
4602 | |
4603 | for (j = 0; dev->event_types[i].events[j].event; j++) { |
4604 | if (ev == dev->event_types[i].events[j].data) { |
4605 | device_event = |
4606 | dev->event_types[i].events[j].event; |
4607 | /* some events may require ignoring */ |
4608 | if (!device_event) |
4609 | return IRQ_HANDLED; |
4610 | goto found; |
4611 | } |
4612 | } |
4613 | } |
4614 | /* Still not able to decode the event try to pass |
4615 | * it over to the minidriver |
4616 | */ |
4617 | if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0) |
4618 | return IRQ_HANDLED; |
4619 | |
4620 | dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n" , |
4621 | ev, data_mask, dev->cur_ioport->io1.minimum, |
4622 | dev->evport_offset); |
4623 | return IRQ_HANDLED; |
4624 | |
4625 | found: |
4626 | sony_laptop_report_input_event(event: device_event); |
4627 | sonypi_compat_report_event(event: device_event); |
4628 | return IRQ_HANDLED; |
4629 | } |
4630 | |
4631 | /***************** |
4632 | * |
4633 | * ACPI driver |
4634 | * |
4635 | *****************/ |
4636 | static void sony_pic_remove(struct acpi_device *device) |
4637 | { |
4638 | struct sony_pic_ioport *io, *tmp_io; |
4639 | struct sony_pic_irq *irq, *tmp_irq; |
4640 | |
4641 | if (sony_pic_disable(device)) { |
4642 | pr_err("Couldn't disable device\n" ); |
4643 | return; |
4644 | } |
4645 | |
4646 | free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev); |
4647 | release_region(spic_dev.cur_ioport->io1.minimum, |
4648 | spic_dev.cur_ioport->io1.address_length); |
4649 | if (spic_dev.cur_ioport->io2.minimum) |
4650 | release_region(spic_dev.cur_ioport->io2.minimum, |
4651 | spic_dev.cur_ioport->io2.address_length); |
4652 | |
4653 | sonypi_compat_exit(); |
4654 | |
4655 | sony_laptop_remove_input(); |
4656 | |
4657 | /* pf attrs */ |
4658 | sysfs_remove_group(kobj: &sony_pf_device->dev.kobj, grp: &spic_attribute_group); |
4659 | sony_pf_remove(); |
4660 | |
4661 | list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) { |
4662 | list_del(entry: &io->list); |
4663 | kfree(objp: io); |
4664 | } |
4665 | list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) { |
4666 | list_del(entry: &irq->list); |
4667 | kfree(objp: irq); |
4668 | } |
4669 | spic_dev.cur_ioport = NULL; |
4670 | spic_dev.cur_irq = NULL; |
4671 | |
4672 | dprintk(SONY_PIC_DRIVER_NAME " removed.\n" ); |
4673 | } |
4674 | |
4675 | static int sony_pic_add(struct acpi_device *device) |
4676 | { |
4677 | int result; |
4678 | struct sony_pic_ioport *io, *tmp_io; |
4679 | struct sony_pic_irq *irq, *tmp_irq; |
4680 | |
4681 | spic_dev.acpi_dev = device; |
4682 | strcpy(acpi_device_class(device), q: "sony/hotkey" ); |
4683 | sony_pic_detect_device_type(dev: &spic_dev); |
4684 | mutex_init(&spic_dev.lock); |
4685 | |
4686 | /* read _PRS resources */ |
4687 | result = sony_pic_possible_resources(device); |
4688 | if (result) { |
4689 | pr_err("Unable to read possible resources\n" ); |
4690 | goto err_free_resources; |
4691 | } |
4692 | |
4693 | /* setup input devices and helper fifo */ |
4694 | result = sony_laptop_setup_input(acpi_device: device); |
4695 | if (result) { |
4696 | pr_err("Unable to create input devices\n" ); |
4697 | goto err_free_resources; |
4698 | } |
4699 | |
4700 | result = sonypi_compat_init(); |
4701 | if (result) |
4702 | goto err_remove_input; |
4703 | |
4704 | /* request io port */ |
4705 | list_for_each_entry_reverse(io, &spic_dev.ioports, list) { |
4706 | if (request_region(io->io1.minimum, io->io1.address_length, |
4707 | "Sony Programmable I/O Device" )) { |
4708 | dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n" , |
4709 | io->io1.minimum, io->io1.maximum, |
4710 | io->io1.address_length); |
4711 | /* Type 1 have 2 ioports */ |
4712 | if (io->io2.minimum) { |
4713 | if (request_region(io->io2.minimum, |
4714 | io->io2.address_length, |
4715 | "Sony Programmable I/O Device" )) { |
4716 | dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n" , |
4717 | io->io2.minimum, io->io2.maximum, |
4718 | io->io2.address_length); |
4719 | spic_dev.cur_ioport = io; |
4720 | break; |
4721 | } |
4722 | else { |
4723 | dprintk("Unable to get I/O port2: " |
4724 | "0x%.4x (0x%.4x) + 0x%.2x\n" , |
4725 | io->io2.minimum, io->io2.maximum, |
4726 | io->io2.address_length); |
4727 | release_region(io->io1.minimum, |
4728 | io->io1.address_length); |
4729 | } |
4730 | } |
4731 | else { |
4732 | spic_dev.cur_ioport = io; |
4733 | break; |
4734 | } |
4735 | } |
4736 | } |
4737 | if (!spic_dev.cur_ioport) { |
4738 | pr_err("Failed to request_region\n" ); |
4739 | result = -ENODEV; |
4740 | goto err_remove_compat; |
4741 | } |
4742 | |
4743 | /* request IRQ */ |
4744 | list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) { |
4745 | if (!request_irq(irq: irq->irq.interrupts[0], handler: sony_pic_irq, |
4746 | flags: 0, name: "sony-laptop" , dev: &spic_dev)) { |
4747 | dprintk("IRQ: %d - triggering: %d - " |
4748 | "polarity: %d - shr: %d\n" , |
4749 | irq->irq.interrupts[0], |
4750 | irq->irq.triggering, |
4751 | irq->irq.polarity, |
4752 | irq->irq.shareable); |
4753 | spic_dev.cur_irq = irq; |
4754 | break; |
4755 | } |
4756 | } |
4757 | if (!spic_dev.cur_irq) { |
4758 | pr_err("Failed to request_irq\n" ); |
4759 | result = -ENODEV; |
4760 | goto err_release_region; |
4761 | } |
4762 | |
4763 | /* set resource status _SRS */ |
4764 | result = sony_pic_enable(device, ioport: spic_dev.cur_ioport, irq: spic_dev.cur_irq); |
4765 | if (result) { |
4766 | pr_err("Couldn't enable device\n" ); |
4767 | goto err_free_irq; |
4768 | } |
4769 | |
4770 | spic_dev.bluetooth_power = -1; |
4771 | /* create device attributes */ |
4772 | result = sony_pf_add(); |
4773 | if (result) |
4774 | goto err_disable_device; |
4775 | |
4776 | result = sysfs_create_group(kobj: &sony_pf_device->dev.kobj, grp: &spic_attribute_group); |
4777 | if (result) |
4778 | goto err_remove_pf; |
4779 | |
4780 | pr_info("SPIC setup done.\n" ); |
4781 | return 0; |
4782 | |
4783 | err_remove_pf: |
4784 | sony_pf_remove(); |
4785 | |
4786 | err_disable_device: |
4787 | sony_pic_disable(device); |
4788 | |
4789 | err_free_irq: |
4790 | free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev); |
4791 | |
4792 | err_release_region: |
4793 | release_region(spic_dev.cur_ioport->io1.minimum, |
4794 | spic_dev.cur_ioport->io1.address_length); |
4795 | if (spic_dev.cur_ioport->io2.minimum) |
4796 | release_region(spic_dev.cur_ioport->io2.minimum, |
4797 | spic_dev.cur_ioport->io2.address_length); |
4798 | |
4799 | err_remove_compat: |
4800 | sonypi_compat_exit(); |
4801 | |
4802 | err_remove_input: |
4803 | sony_laptop_remove_input(); |
4804 | |
4805 | err_free_resources: |
4806 | list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) { |
4807 | list_del(entry: &io->list); |
4808 | kfree(objp: io); |
4809 | } |
4810 | list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) { |
4811 | list_del(entry: &irq->list); |
4812 | kfree(objp: irq); |
4813 | } |
4814 | spic_dev.cur_ioport = NULL; |
4815 | spic_dev.cur_irq = NULL; |
4816 | |
4817 | return result; |
4818 | } |
4819 | |
4820 | #ifdef CONFIG_PM_SLEEP |
4821 | static int sony_pic_suspend(struct device *dev) |
4822 | { |
4823 | if (sony_pic_disable(to_acpi_device(dev))) |
4824 | return -ENXIO; |
4825 | return 0; |
4826 | } |
4827 | |
4828 | static int sony_pic_resume(struct device *dev) |
4829 | { |
4830 | sony_pic_enable(to_acpi_device(dev), |
4831 | ioport: spic_dev.cur_ioport, irq: spic_dev.cur_irq); |
4832 | return 0; |
4833 | } |
4834 | #endif |
4835 | |
4836 | static SIMPLE_DEV_PM_OPS(sony_pic_pm, sony_pic_suspend, sony_pic_resume); |
4837 | |
4838 | static const struct acpi_device_id sony_pic_device_ids[] = { |
4839 | {SONY_PIC_HID, 0}, |
4840 | {"" , 0}, |
4841 | }; |
4842 | |
4843 | static struct acpi_driver sony_pic_driver = { |
4844 | .name = SONY_PIC_DRIVER_NAME, |
4845 | .class = SONY_PIC_CLASS, |
4846 | .ids = sony_pic_device_ids, |
4847 | .owner = THIS_MODULE, |
4848 | .ops = { |
4849 | .add = sony_pic_add, |
4850 | .remove = sony_pic_remove, |
4851 | }, |
4852 | .drv.pm = &sony_pic_pm, |
4853 | }; |
4854 | |
4855 | static const struct dmi_system_id sonypi_dmi_table[] __initconst = { |
4856 | { |
4857 | .ident = "Sony Vaio" , |
4858 | .matches = { |
4859 | DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation" ), |
4860 | DMI_MATCH(DMI_PRODUCT_NAME, "PCG-" ), |
4861 | }, |
4862 | }, |
4863 | { |
4864 | .ident = "Sony Vaio" , |
4865 | .matches = { |
4866 | DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation" ), |
4867 | DMI_MATCH(DMI_PRODUCT_NAME, "VGN-" ), |
4868 | }, |
4869 | }, |
4870 | { } |
4871 | }; |
4872 | |
4873 | static int __init sony_laptop_init(void) |
4874 | { |
4875 | int result; |
4876 | |
4877 | if (!no_spic && dmi_check_system(list: sonypi_dmi_table)) { |
4878 | result = acpi_bus_register_driver(driver: &sony_pic_driver); |
4879 | if (result) { |
4880 | pr_err("Unable to register SPIC driver\n" ); |
4881 | goto out; |
4882 | } |
4883 | spic_drv_registered = 1; |
4884 | } |
4885 | |
4886 | result = acpi_bus_register_driver(driver: &sony_nc_driver); |
4887 | if (result) { |
4888 | pr_err("Unable to register SNC driver\n" ); |
4889 | goto out_unregister_pic; |
4890 | } |
4891 | |
4892 | return 0; |
4893 | |
4894 | out_unregister_pic: |
4895 | if (spic_drv_registered) |
4896 | acpi_bus_unregister_driver(driver: &sony_pic_driver); |
4897 | out: |
4898 | return result; |
4899 | } |
4900 | |
4901 | static void __exit sony_laptop_exit(void) |
4902 | { |
4903 | acpi_bus_unregister_driver(driver: &sony_nc_driver); |
4904 | if (spic_drv_registered) |
4905 | acpi_bus_unregister_driver(driver: &sony_pic_driver); |
4906 | } |
4907 | |
4908 | module_init(sony_laptop_init); |
4909 | module_exit(sony_laptop_exit); |
4910 | |