diff options
Diffstat (limited to 'firmware/target/hosted/ibasso/sysfs-ibasso.c')
-rw-r--r-- | firmware/target/hosted/ibasso/sysfs-ibasso.c | 404 |
1 files changed, 404 insertions, 0 deletions
diff --git a/firmware/target/hosted/ibasso/sysfs-ibasso.c b/firmware/target/hosted/ibasso/sysfs-ibasso.c new file mode 100644 index 0000000000..8ca3edf387 --- /dev/null +++ b/firmware/target/hosted/ibasso/sysfs-ibasso.c | |||
@@ -0,0 +1,404 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___ | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * | ||
9 | * Copyright (C) 2014 by Ilia Sergachev: Initial Rockbox port to iBasso DX50 | ||
10 | * Copyright (C) 2014 by Mario Basister: iBasso DX90 port | ||
11 | * Copyright (C) 2014 by Simon Rothen: Initial Rockbox repository submission, additional features | ||
12 | * Copyright (C) 2014 by Udo Schläpfer: Code clean up, additional features | ||
13 | * | ||
14 | * This program is free software; you can redistribute it and/or | ||
15 | * modify it under the terms of the GNU General Public License | ||
16 | * as published by the Free Software Foundation; either version 2 | ||
17 | * of the License, or (at your option) any later version. | ||
18 | * | ||
19 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
20 | * KIND, either express or implied. | ||
21 | * | ||
22 | ****************************************************************************/ | ||
23 | |||
24 | |||
25 | #include <stdio.h> | ||
26 | #include <string.h> | ||
27 | |||
28 | #include "config.h" | ||
29 | #include "debug.h" | ||
30 | |||
31 | #include "debug-ibasso.h" | ||
32 | #include "sysfs-ibasso.h" | ||
33 | |||
34 | |||
35 | static const char* SYSFS_PATHS[] = | ||
36 | { | ||
37 | /* SYSFS_DX50_CODEC_VOLUME */ | ||
38 | "/dev/codec_volume", | ||
39 | |||
40 | /* SYSFS_HOLDKEY */ | ||
41 | "/sys/class/axppower/holdkey", | ||
42 | |||
43 | /* SYSFS_DX90_ES9018_VOLUME */ | ||
44 | "/sys/class/codec/es9018_volume", | ||
45 | |||
46 | /* SYSFS_MUTE */ | ||
47 | "/sys/class/codec/mute", | ||
48 | |||
49 | /* SYSFS_WM8740_MUTE */ | ||
50 | "/sys/class/codec/wm8740_mute", | ||
51 | |||
52 | /* SYSFS_BATTERY_CAPACITY */ | ||
53 | "/sys/class/power_supply/battery/capacity", | ||
54 | |||
55 | /* SYSFS_BATTERY_CURRENT_NOW */ | ||
56 | "/sys/class/power_supply/battery/current_now", | ||
57 | |||
58 | /* SYSFS_BATTERY_ENERGY_FULL_DESIGN */ | ||
59 | "/sys/class/power_supply/battery/energy_full_design", | ||
60 | |||
61 | /* SYSFS_BATTERY_HEALTH */ | ||
62 | "/sys/class/power_supply/battery/health", | ||
63 | |||
64 | /* SYSFS_BATTERY_MODEL_NAME */ | ||
65 | "/sys/class/power_supply/battery/model_name", | ||
66 | |||
67 | /* SYSFS_BATTERY_ONLINE */ | ||
68 | "/sys/class/power_supply/battery/online", | ||
69 | |||
70 | /* SYSFS_BATTERY_PRESENT */ | ||
71 | "/sys/class/power_supply/battery/present", | ||
72 | |||
73 | /* SYSFS_BATTERY_STATUS */ | ||
74 | "/sys/class/power_supply/battery/status", | ||
75 | |||
76 | /* SYSFS_BATTERY_TECHNOLOGY */ | ||
77 | "/sys/class/power_supply/battery/technology", | ||
78 | |||
79 | /* SYSFS_BATTERY_TEMP */ | ||
80 | "/sys/class/power_supply/battery/temp", | ||
81 | |||
82 | /* SYSFS_BATTERY_TYPE */ | ||
83 | "/sys/class/power_supply/battery/type", | ||
84 | |||
85 | /* SYSFS_BATTERY_VOLTAGE_MAX_DESIGN */ | ||
86 | "/sys/class/power_supply/battery/voltage_max_design", | ||
87 | |||
88 | /* SYSFS_BATTERY_VOLTAGE_MIN_DESIGN */ | ||
89 | "/sys/class/power_supply/battery/voltage_min_design", | ||
90 | |||
91 | /* SYSFS_BATTERY_VOLTAGE_NOW */ | ||
92 | "/sys/class/power_supply/battery/voltage_now", | ||
93 | |||
94 | /* SYSFS_USB_POWER_CURRENT_NOW */ | ||
95 | "/sys/class/power_supply/usb/current_now", | ||
96 | |||
97 | /* SYSFS_USB_POWER_ONLINE */ | ||
98 | "/sys/class/power_supply/usb/online", | ||
99 | |||
100 | /* SYSFS_USB_POWER_PRESENT */ | ||
101 | "/sys/class/power_supply/usb/present", | ||
102 | |||
103 | /* SYSFS_USB_POWER_VOLTAGE_NOW */ | ||
104 | "/sys/class/power_supply/usb/voltage_now", | ||
105 | |||
106 | /* SYSFS_BACKLIGHT_POWER */ | ||
107 | "/sys/devices/platform/rk29_backlight/backlight/rk28_bl/bl_power", | ||
108 | |||
109 | /* SYSFS_BACKLIGHT_BRIGHTNESS */ | ||
110 | "/sys/devices/platform/rk29_backlight/backlight/rk28_bl/brightness", | ||
111 | |||
112 | /* SYSFS_POWER_STATE */ | ||
113 | "/sys/power/state", | ||
114 | |||
115 | /* SYSFS_POWER_WAKE_LOCK */ | ||
116 | "/sys/power/wake_lock" | ||
117 | }; | ||
118 | |||
119 | |||
120 | static FILE* open_read(const char* file_name) | ||
121 | { | ||
122 | FILE *f = fopen(file_name, "r"); | ||
123 | if(f == NULL) | ||
124 | { | ||
125 | DEBUGF("ERROR %s: Can not open %s for reading.", __func__, file_name); | ||
126 | } | ||
127 | |||
128 | return f; | ||
129 | } | ||
130 | |||
131 | |||
132 | static FILE* open_write(const char* file_name) | ||
133 | { | ||
134 | FILE *f = fopen(file_name, "w"); | ||
135 | if(f == NULL) | ||
136 | { | ||
137 | DEBUGF("ERROR %s: Can not open %s for writing.", __func__, file_name); | ||
138 | } | ||
139 | |||
140 | return f; | ||
141 | } | ||
142 | |||
143 | |||
144 | bool sysfs_get_int(enum sys_fs_interface_id id, int* value) | ||
145 | { | ||
146 | *value = -1; | ||
147 | |||
148 | switch(id) | ||
149 | { | ||
150 | case SYSFS_BATTERY_CAPACITY: | ||
151 | case SYSFS_BATTERY_CURRENT_NOW: | ||
152 | case SYSFS_BATTERY_ENERGY_FULL_DESIGN: | ||
153 | case SYSFS_BATTERY_ONLINE: | ||
154 | case SYSFS_BATTERY_PRESENT: | ||
155 | case SYSFS_BATTERY_TEMP: | ||
156 | case SYSFS_BATTERY_VOLTAGE_MAX_DESIGN: | ||
157 | case SYSFS_BATTERY_VOLTAGE_MIN_DESIGN: | ||
158 | case SYSFS_BATTERY_VOLTAGE_NOW: | ||
159 | case SYSFS_USB_POWER_CURRENT_NOW: | ||
160 | case SYSFS_USB_POWER_VOLTAGE_NOW: | ||
161 | case SYSFS_USB_POWER_ONLINE: | ||
162 | case SYSFS_USB_POWER_PRESENT: | ||
163 | { | ||
164 | break; | ||
165 | } | ||
166 | |||
167 | default: | ||
168 | { | ||
169 | DEBUGF("ERROR %s: Unknown interface id: %d.", __func__, id); | ||
170 | return false; | ||
171 | } | ||
172 | } | ||
173 | |||
174 | const char* interface = SYSFS_PATHS[id]; | ||
175 | |||
176 | /*DEBUGF("%s: interface: %s.", __func__, interface);*/ | ||
177 | |||
178 | FILE *f = open_read(interface); | ||
179 | if(f == NULL) | ||
180 | { | ||
181 | return false; | ||
182 | } | ||
183 | |||
184 | bool success = true; | ||
185 | if(fscanf(f, "%d", value) == EOF) | ||
186 | { | ||
187 | DEBUGF("ERROR %s: Read failed for %s.", __func__, interface); | ||
188 | success = false; | ||
189 | } | ||
190 | |||
191 | fclose(f); | ||
192 | return success; | ||
193 | } | ||
194 | |||
195 | |||
196 | bool sysfs_set_int(enum sys_fs_interface_id id, int value) | ||
197 | { | ||
198 | switch(id) | ||
199 | { | ||
200 | case SYSFS_BACKLIGHT_POWER: | ||
201 | case SYSFS_BACKLIGHT_BRIGHTNESS: | ||
202 | case SYSFS_DX50_CODEC_VOLUME: | ||
203 | case SYSFS_DX90_ES9018_VOLUME: | ||
204 | { | ||
205 | break; | ||
206 | } | ||
207 | |||
208 | default: | ||
209 | { | ||
210 | DEBUGF("ERROR %s: Unknown interface id: %d.", __func__, id); | ||
211 | return false; | ||
212 | } | ||
213 | } | ||
214 | |||
215 | const char* interface = SYSFS_PATHS[id]; | ||
216 | |||
217 | /*DEBUGF("%s: interface: %s, value: %d.", __func__, interface, value);*/ | ||
218 | |||
219 | FILE *f = open_write(interface); | ||
220 | if(f == NULL) | ||
221 | { | ||
222 | return false; | ||
223 | } | ||
224 | |||
225 | bool success = true; | ||
226 | if(fprintf(f, "%d", value) < 1) | ||
227 | { | ||
228 | DEBUGF("ERROR %s: Write failed for %s.", __func__, interface); | ||
229 | success = false; | ||
230 | } | ||
231 | |||
232 | fclose(f); | ||
233 | return success; | ||
234 | } | ||
235 | |||
236 | |||
237 | bool sysfs_get_char(enum sys_fs_interface_id id, char* value) | ||
238 | { | ||
239 | *value = '\0'; | ||
240 | |||
241 | switch(id) | ||
242 | { | ||
243 | case SYSFS_HOLDKEY: | ||
244 | { | ||
245 | break; | ||
246 | } | ||
247 | |||
248 | default: | ||
249 | { | ||
250 | DEBUGF("ERROR %s: Unknown interface id: %d.", __func__, id); | ||
251 | return false; | ||
252 | } | ||
253 | } | ||
254 | |||
255 | const char* interface = SYSFS_PATHS[id]; | ||
256 | |||
257 | /*DEBUGF("%s: interface: %s.", __func__, interface);*/ | ||
258 | |||
259 | FILE *f = open_read(interface); | ||
260 | if(f == NULL) | ||
261 | { | ||
262 | return false; | ||
263 | } | ||
264 | |||
265 | bool success = true; | ||
266 | if(fscanf(f, "%c", value) == EOF) | ||
267 | { | ||
268 | DEBUGF("ERROR %s: Read failed for %s.", __func__, interface); | ||
269 | success = false; | ||
270 | } | ||
271 | |||
272 | fclose(f); | ||
273 | return success; | ||
274 | } | ||
275 | |||
276 | |||
277 | bool sysfs_set_char(enum sys_fs_interface_id id, char value) | ||
278 | { | ||
279 | switch(id) | ||
280 | { | ||
281 | case SYSFS_MUTE: | ||
282 | case SYSFS_WM8740_MUTE: | ||
283 | { | ||
284 | break; | ||
285 | } | ||
286 | |||
287 | default: | ||
288 | { | ||
289 | DEBUGF("ERROR %s: Unknown interface id: %d.", __func__, id); | ||
290 | return false; | ||
291 | } | ||
292 | } | ||
293 | |||
294 | const char* interface = SYSFS_PATHS[id]; | ||
295 | |||
296 | /*DEBUGF("%s: interface: %s, value: %c.", __func__, interface, value);*/ | ||
297 | |||
298 | FILE *f = open_write(interface); | ||
299 | if(f == NULL) | ||
300 | { | ||
301 | return false; | ||
302 | } | ||
303 | |||
304 | bool success = true; | ||
305 | if(fprintf(f, "%c", value) < 1) | ||
306 | { | ||
307 | DEBUGF("ERROR %s: Write failed for %s.", __func__, interface); | ||
308 | success = false; | ||
309 | } | ||
310 | |||
311 | fclose(f); | ||
312 | return success; | ||
313 | } | ||
314 | |||
315 | |||
316 | bool sysfs_get_string(enum sys_fs_interface_id id, char* value, int size) | ||
317 | { | ||
318 | value[0] = '\0'; | ||
319 | |||
320 | switch(id) | ||
321 | { | ||
322 | case SYSFS_BATTERY_STATUS: | ||
323 | case SYSFS_BATTERY_HEALTH: | ||
324 | case SYSFS_BATTERY_MODEL_NAME: | ||
325 | case SYSFS_BATTERY_TECHNOLOGY: | ||
326 | case SYSFS_BATTERY_TYPE: | ||
327 | { | ||
328 | break; | ||
329 | } | ||
330 | |||
331 | default: | ||
332 | { | ||
333 | DEBUGF("ERROR %s: Unknown interface id: %d.", __func__, id); | ||
334 | return false; | ||
335 | } | ||
336 | } | ||
337 | |||
338 | const char* interface = SYSFS_PATHS[id]; | ||
339 | |||
340 | /*DEBUGF("%s: interface: %s, size: %d.", __func__, interface, size);*/ | ||
341 | |||
342 | FILE *f = open_read(interface); | ||
343 | if(f == NULL) | ||
344 | { | ||
345 | return false; | ||
346 | } | ||
347 | |||
348 | bool success = true; | ||
349 | if(fgets(value, size, f) == NULL) | ||
350 | { | ||
351 | DEBUGF("ERROR %s: Read failed for %s.", __func__, interface); | ||
352 | success = false; | ||
353 | } | ||
354 | else | ||
355 | { | ||
356 | size_t length = strlen(value); | ||
357 | if((length > 0) && value[length - 1] == '\n') | ||
358 | { | ||
359 | value[length - 1] = '\0'; | ||
360 | } | ||
361 | } | ||
362 | |||
363 | fclose(f); | ||
364 | return success; | ||
365 | } | ||
366 | |||
367 | |||
368 | bool sysfs_set_string(enum sys_fs_interface_id id, char* value) | ||
369 | { | ||
370 | switch(id) | ||
371 | { | ||
372 | case SYSFS_POWER_STATE: | ||
373 | case SYSFS_POWER_WAKE_LOCK: | ||
374 | { | ||
375 | break; | ||
376 | } | ||
377 | |||
378 | default: | ||
379 | { | ||
380 | DEBUGF("ERROR %s: Unknown interface id: %d.", __func__, id); | ||
381 | return false; | ||
382 | } | ||
383 | } | ||
384 | |||
385 | const char* interface = SYSFS_PATHS[id]; | ||
386 | |||
387 | /*DEBUGF("%s: interface: %s, value: %s.", __func__, interface, value);*/ | ||
388 | |||
389 | FILE *f = open_write(interface); | ||
390 | if(f == NULL) | ||
391 | { | ||
392 | return false; | ||
393 | } | ||
394 | |||
395 | bool success = true; | ||
396 | if(fprintf(f, "%s", value) < 1) | ||
397 | { | ||
398 | DEBUGF("ERROR %s: Write failed for %s.", __func__, interface); | ||
399 | success = false; | ||
400 | } | ||
401 | |||
402 | fclose(f); | ||
403 | return success; | ||
404 | } | ||