diff options
Diffstat (limited to 'firmware/drivers/button.c')
-rw-r--r-- | firmware/drivers/button.c | 424 |
1 files changed, 1 insertions, 423 deletions
diff --git a/firmware/drivers/button.c b/firmware/drivers/button.c index 599c22bc80..8acae01006 100644 --- a/firmware/drivers/button.c +++ b/firmware/drivers/button.c | |||
@@ -72,8 +72,7 @@ static bool remote_filter_first_keypress; | |||
72 | #define REPEAT_INTERVAL_FINISH 5 | 72 | #define REPEAT_INTERVAL_FINISH 5 |
73 | 73 | ||
74 | /* the power-off button and number of repeated keys before shutting off */ | 74 | /* the power-off button and number of repeated keys before shutting off */ |
75 | #if (CONFIG_KEYPAD == IPOD_3G_PAD) || (CONFIG_KEYPAD == IPOD_4G_PAD) ||\ | 75 | #if (CONFIG_KEYPAD == IRIVER_IFP7XX_PAD) |
76 | (CONFIG_KEYPAD == IRIVER_IFP7XX_PAD) | ||
77 | #define POWEROFF_BUTTON BUTTON_PLAY | 76 | #define POWEROFF_BUTTON BUTTON_PLAY |
78 | #define POWEROFF_COUNT 40 | 77 | #define POWEROFF_COUNT 40 |
79 | #elif !defined(TARGET_TREE) | 78 | #elif !defined(TARGET_TREE) |
@@ -87,344 +86,10 @@ static int button_read(void); | |||
87 | static bool remote_button_hold_only(void); | 86 | static bool remote_button_hold_only(void); |
88 | #endif | 87 | #endif |
89 | 88 | ||
90 | #if CONFIG_KEYPAD == IPOD_4G_PAD | ||
91 | /* Variable to use for setting button status in interrupt handler */ | ||
92 | int int_btn = BUTTON_NONE; | ||
93 | #ifdef HAVE_WHEEL_POSITION | ||
94 | static int wheel_position = -1; | ||
95 | static bool send_events = true; | ||
96 | #endif | ||
97 | #endif | ||
98 | |||
99 | #ifdef HAVE_HEADPHONE_DETECTION | 89 | #ifdef HAVE_HEADPHONE_DETECTION |
100 | bool phones_present = false; | 90 | bool phones_present = false; |
101 | #endif | 91 | #endif |
102 | 92 | ||
103 | #if (CONFIG_KEYPAD == IPOD_4G_PAD) && !defined(IPOD_MINI) | ||
104 | static void opto_i2c_init(void) | ||
105 | { | ||
106 | int i, curr_value; | ||
107 | |||
108 | /* wait for value to settle */ | ||
109 | i = 1000; | ||
110 | curr_value = (inl(0x7000c104) << 16) >> 24; | ||
111 | while (i > 0) | ||
112 | { | ||
113 | int new_value = (inl(0x7000c104) << 16) >> 24; | ||
114 | |||
115 | if (new_value != curr_value) { | ||
116 | i = 10000; | ||
117 | curr_value = new_value; | ||
118 | } | ||
119 | else { | ||
120 | i--; | ||
121 | } | ||
122 | } | ||
123 | |||
124 | GPIOB_OUTPUT_VAL |= 0x10; | ||
125 | DEV_EN |= 0x10000; | ||
126 | DEV_RS |= 0x10000; | ||
127 | udelay(5); | ||
128 | DEV_RS &= ~0x10000; /* finish reset */ | ||
129 | |||
130 | outl(0xffffffff, 0x7000c120); | ||
131 | outl(0xffffffff, 0x7000c124); | ||
132 | outl(0xc00a1f00, 0x7000c100); | ||
133 | outl(0x1000000, 0x7000c104); | ||
134 | } | ||
135 | |||
136 | static inline int ipod_4g_button_read(void) | ||
137 | { | ||
138 | int whl = -1; | ||
139 | |||
140 | /* The ipodlinux source had a udelay(250) here, but testing has shown that | ||
141 | it is not needed - tested on Nano, Color/Photo and Video. */ | ||
142 | /* udelay(250);*/ | ||
143 | |||
144 | int btn = BUTTON_NONE; | ||
145 | unsigned reg = 0x7000c104; | ||
146 | if ((inl(0x7000c104) & 0x4000000) != 0) { | ||
147 | unsigned status = inl(0x7000c140); | ||
148 | |||
149 | reg = reg + 0x3C; /* 0x7000c140 */ | ||
150 | outl(0x0, 0x7000c140); /* clear interrupt status? */ | ||
151 | |||
152 | if ((status & 0x800000ff) == 0x8000001a) { | ||
153 | static int old_wheel_value IDATA_ATTR = -1; | ||
154 | static int wheel_repeat = 0; | ||
155 | |||
156 | if (status & 0x100) | ||
157 | btn |= BUTTON_SELECT; | ||
158 | if (status & 0x200) | ||
159 | btn |= BUTTON_RIGHT; | ||
160 | if (status & 0x400) | ||
161 | btn |= BUTTON_LEFT; | ||
162 | if (status & 0x800) | ||
163 | btn |= BUTTON_PLAY; | ||
164 | if (status & 0x1000) | ||
165 | btn |= BUTTON_MENU; | ||
166 | if (status & 0x40000000) { | ||
167 | /* NB: highest wheel = 0x5F, clockwise increases */ | ||
168 | int new_wheel_value = (status << 9) >> 25; | ||
169 | whl = new_wheel_value; | ||
170 | backlight_on(); | ||
171 | /* The queue should have no other events when scrolling */ | ||
172 | if (queue_empty(&button_queue) && old_wheel_value >= 0) { | ||
173 | |||
174 | /* This is for later = BUTTON_SCROLL_TOUCH;*/ | ||
175 | int wheel_delta = new_wheel_value - old_wheel_value; | ||
176 | unsigned long data; | ||
177 | int wheel_keycode; | ||
178 | |||
179 | if (wheel_delta < -48) | ||
180 | wheel_delta += 96; /* Forward wrapping case */ | ||
181 | else if (wheel_delta > 48) | ||
182 | wheel_delta -= 96; /* Backward wrapping case */ | ||
183 | |||
184 | if (wheel_delta > 4) { | ||
185 | wheel_keycode = BUTTON_SCROLL_FWD; | ||
186 | } else if (wheel_delta < -4) { | ||
187 | wheel_keycode = BUTTON_SCROLL_BACK; | ||
188 | } else goto wheel_end; | ||
189 | |||
190 | #ifdef HAVE_WHEEL_POSITION | ||
191 | if (send_events) | ||
192 | #endif | ||
193 | { | ||
194 | data = (wheel_delta << 16) | new_wheel_value; | ||
195 | queue_post(&button_queue, wheel_keycode | wheel_repeat, | ||
196 | (void *)data); | ||
197 | } | ||
198 | |||
199 | if (!wheel_repeat) wheel_repeat = BUTTON_REPEAT; | ||
200 | } | ||
201 | |||
202 | old_wheel_value = new_wheel_value; | ||
203 | } else if (old_wheel_value >= 0) { | ||
204 | /* scroll wheel up */ | ||
205 | old_wheel_value = -1; | ||
206 | wheel_repeat = 0; | ||
207 | } | ||
208 | |||
209 | } else if (status == 0xffffffff) { | ||
210 | opto_i2c_init(); | ||
211 | } | ||
212 | } | ||
213 | |||
214 | wheel_end: | ||
215 | |||
216 | if ((inl(reg) & 0x8000000) != 0) { | ||
217 | outl(0xffffffff, 0x7000c120); | ||
218 | outl(0xffffffff, 0x7000c124); | ||
219 | } | ||
220 | /* Save the new absolute wheel position */ | ||
221 | wheel_position = whl; | ||
222 | return btn; | ||
223 | } | ||
224 | |||
225 | void ipod_4g_button_int(void) | ||
226 | { | ||
227 | CPU_HI_INT_CLR = I2C_MASK; | ||
228 | /* The following delay was 250 in the ipodlinux source, but 50 seems to | ||
229 | work fine - tested on Nano, Color/Photo and Video. */ | ||
230 | udelay(50); | ||
231 | outl(0x0, 0x7000c140); | ||
232 | int_btn = ipod_4g_button_read(); | ||
233 | outl(inl(0x7000c104) | 0xC000000, 0x7000c104); | ||
234 | outl(0x400a1f00, 0x7000c100); | ||
235 | |||
236 | GPIOB_OUTPUT_VAL |= 0x10; | ||
237 | CPU_INT_EN = 0x40000000; | ||
238 | CPU_HI_INT_EN = I2C_MASK; | ||
239 | } | ||
240 | #endif | ||
241 | #if (CONFIG_KEYPAD == IPOD_3G_PAD) || defined(IPOD_MINI) | ||
242 | /* iPod 3G and mini 1G, mini 2G uses iPod 4G code */ | ||
243 | void handle_scroll_wheel(int new_scroll, int was_hold, int reverse) | ||
244 | { | ||
245 | int wheel_keycode = BUTTON_NONE; | ||
246 | static int prev_scroll = -1; | ||
247 | static int direction = 0; | ||
248 | static int count = 0; | ||
249 | static int scroll_state[4][4] = { | ||
250 | {0, 1, -1, 0}, | ||
251 | {-1, 0, 0, 1}, | ||
252 | {1, 0, 0, -1}, | ||
253 | {0, -1, 1, 0} | ||
254 | }; | ||
255 | |||
256 | if ( prev_scroll == -1 ) { | ||
257 | prev_scroll = new_scroll; | ||
258 | } | ||
259 | else if (direction != scroll_state[prev_scroll][new_scroll]) { | ||
260 | direction = scroll_state[prev_scroll][new_scroll]; | ||
261 | count = 0; | ||
262 | } | ||
263 | else if (!was_hold) { | ||
264 | backlight_on(); | ||
265 | if (++count == 6) { /* reduce sensitivity */ | ||
266 | count = 0; | ||
267 | switch (direction) { | ||
268 | case 1: | ||
269 | if (reverse) { | ||
270 | /* 'r' keypress */ | ||
271 | wheel_keycode = BUTTON_SCROLL_FWD; | ||
272 | } | ||
273 | else { | ||
274 | /* 'l' keypress */ | ||
275 | wheel_keycode = BUTTON_SCROLL_BACK; | ||
276 | } | ||
277 | break; | ||
278 | case -1: | ||
279 | if (reverse) { | ||
280 | /* 'l' keypress */ | ||
281 | wheel_keycode = BUTTON_SCROLL_BACK; | ||
282 | } | ||
283 | else { | ||
284 | /* 'r' keypress */ | ||
285 | wheel_keycode = BUTTON_SCROLL_FWD; | ||
286 | } | ||
287 | break; | ||
288 | default: | ||
289 | /* only happens if we get out of sync */ | ||
290 | break; | ||
291 | } | ||
292 | } | ||
293 | } | ||
294 | if (wheel_keycode != BUTTON_NONE && queue_empty(&button_queue)) | ||
295 | queue_post(&button_queue, wheel_keycode, NULL); | ||
296 | prev_scroll = new_scroll; | ||
297 | } | ||
298 | #endif | ||
299 | #if (CONFIG_KEYPAD == IPOD_4G_PAD) && defined(IPOD_MINI) | ||
300 | /* mini 1 only, mini 2G uses iPod 4G code */ | ||
301 | static int ipod_mini_button_read(void) | ||
302 | { | ||
303 | unsigned char source, wheel_source, state, wheel_state; | ||
304 | static bool was_hold = false; | ||
305 | int btn = BUTTON_NONE; | ||
306 | |||
307 | /* The ipodlinux source had a udelay(250) here, but testing has shown that | ||
308 | it is not needed - tested on mini 1g. */ | ||
309 | /* udelay(250);*/ | ||
310 | |||
311 | /* get source(s) of interupt */ | ||
312 | source = GPIOA_INT_STAT & 0x3f; | ||
313 | wheel_source = GPIOB_INT_STAT & 0x30; | ||
314 | |||
315 | if (source == 0 && wheel_source == 0) { | ||
316 | return BUTTON_NONE; /* not for us */ | ||
317 | } | ||
318 | |||
319 | /* get current keypad & wheel status */ | ||
320 | state = GPIOA_INPUT_VAL & 0x3f; | ||
321 | wheel_state = GPIOB_INPUT_VAL & 0x30; | ||
322 | |||
323 | /* toggle interrupt level */ | ||
324 | GPIOA_INT_LEV = ~state; | ||
325 | GPIOB_INT_LEV = ~wheel_state; | ||
326 | |||
327 | /* hold switch causes all outputs to go low */ | ||
328 | /* we shouldn't interpret these as key presses */ | ||
329 | if ((state & 0x20)) { | ||
330 | if (!(state & 0x1)) | ||
331 | btn |= BUTTON_SELECT; | ||
332 | if (!(state & 0x2)) | ||
333 | btn |= BUTTON_MENU; | ||
334 | if (!(state & 0x4)) | ||
335 | btn |= BUTTON_PLAY; | ||
336 | if (!(state & 0x8)) | ||
337 | btn |= BUTTON_RIGHT; | ||
338 | if (!(state & 0x10)) | ||
339 | btn |= BUTTON_LEFT; | ||
340 | |||
341 | if (wheel_source & 0x30) { | ||
342 | handle_scroll_wheel((wheel_state & 0x30) >> 4, was_hold, 1); | ||
343 | } | ||
344 | } | ||
345 | |||
346 | was_hold = button_hold(); | ||
347 | |||
348 | /* ack any active interrupts */ | ||
349 | if (source) | ||
350 | GPIOA_INT_CLR = source; | ||
351 | if (wheel_source) | ||
352 | GPIOB_INT_CLR = wheel_source; | ||
353 | |||
354 | return btn; | ||
355 | } | ||
356 | |||
357 | void ipod_mini_button_int(void) | ||
358 | { | ||
359 | CPU_HI_INT_CLR = GPIO_MASK; | ||
360 | int_btn = ipod_mini_button_read(); | ||
361 | //CPU_INT_EN = 0x40000000; | ||
362 | CPU_HI_INT_EN = GPIO_MASK; | ||
363 | } | ||
364 | #endif | ||
365 | #if CONFIG_KEYPAD == IPOD_3G_PAD | ||
366 | static int ipod_3g_button_read(void) | ||
367 | { | ||
368 | unsigned char source, state; | ||
369 | static int was_hold = 0; | ||
370 | int btn = BUTTON_NONE; | ||
371 | /* | ||
372 | * we need some delay for g3, cause hold generates several interrupts, | ||
373 | * some of them delayed | ||
374 | */ | ||
375 | udelay(250); | ||
376 | |||
377 | /* get source of interupts */ | ||
378 | source = GPIOA_INT_STAT; | ||
379 | |||
380 | |||
381 | /* get current keypad status */ | ||
382 | state = GPIOA_INPUT_VAL; | ||
383 | GPIOA_INT_LEV = ~state; | ||
384 | |||
385 | if (was_hold && source == 0x40 && state == 0xbf) { | ||
386 | /* ack any active interrupts */ | ||
387 | GPIOA_INT_CLR = source; | ||
388 | return BUTTON_NONE; | ||
389 | } | ||
390 | was_hold = 0; | ||
391 | |||
392 | |||
393 | if ((state & 0x20) == 0) { | ||
394 | /* 3g hold switch is active low */ | ||
395 | was_hold = 1; | ||
396 | /* hold switch on 3g causes all outputs to go low */ | ||
397 | /* we shouldn't interpret these as key presses */ | ||
398 | GPIOA_INT_CLR = source; | ||
399 | return BUTTON_NONE; | ||
400 | } | ||
401 | if ((state & 0x1) == 0) { | ||
402 | btn |= BUTTON_RIGHT; | ||
403 | } | ||
404 | if ((state & 0x2) == 0) { | ||
405 | btn |= BUTTON_SELECT; | ||
406 | } | ||
407 | if ((state & 0x4) == 0) { | ||
408 | btn |= BUTTON_PLAY; | ||
409 | } | ||
410 | if ((state & 0x8) == 0) { | ||
411 | btn |= BUTTON_LEFT; | ||
412 | } | ||
413 | if ((state & 0x10) == 0) { | ||
414 | btn |= BUTTON_MENU; | ||
415 | } | ||
416 | |||
417 | if (source & 0xc0) { | ||
418 | handle_scroll_wheel((state & 0xc0) >> 6, was_hold, 0); | ||
419 | } | ||
420 | |||
421 | /* ack any active interrupts */ | ||
422 | GPIOA_INT_CLR = source; | ||
423 | |||
424 | return btn; | ||
425 | } | ||
426 | #endif | ||
427 | |||
428 | static void button_tick(void) | 93 | static void button_tick(void) |
429 | { | 94 | { |
430 | static int count = 0; | 95 | static int count = 0; |
@@ -669,45 +334,6 @@ void button_init(void) | |||
669 | /* nothing to initialize here */ | 334 | /* nothing to initialize here */ |
670 | #elif CONFIG_KEYPAD == GMINI100_PAD | 335 | #elif CONFIG_KEYPAD == GMINI100_PAD |
671 | /* nothing to initialize here */ | 336 | /* nothing to initialize here */ |
672 | #elif (CONFIG_KEYPAD == IPOD_4G_PAD) && !defined(IPOD_MINI) | ||
673 | opto_i2c_init(); | ||
674 | /* hold button - enable as input */ | ||
675 | GPIOA_ENABLE |= 0x20; | ||
676 | GPIOA_OUTPUT_EN &= ~0x20; | ||
677 | /* hold button - set interrupt levels */ | ||
678 | GPIOA_INT_LEV = ~(GPIOA_INPUT_VAL & 0x20); | ||
679 | GPIOA_INT_CLR = GPIOA_INT_STAT & 0x20; | ||
680 | /* enable interrupts */ | ||
681 | GPIOA_INT_EN = 0x20; | ||
682 | /* unmask interrupt */ | ||
683 | CPU_INT_EN = 0x40000000; | ||
684 | CPU_HI_INT_EN = I2C_MASK; | ||
685 | |||
686 | #elif (CONFIG_KEYPAD == IPOD_4G_PAD) && defined(IPOD_MINI) | ||
687 | /* iPod Mini G1 */ | ||
688 | /* buttons - enable as input */ | ||
689 | GPIOA_ENABLE |= 0x3f; | ||
690 | GPIOA_OUTPUT_EN &= ~0x3f; | ||
691 | /* scroll wheel- enable as input */ | ||
692 | GPIOB_ENABLE |= 0x30; /* port b 4,5 */ | ||
693 | GPIOB_OUTPUT_EN &= ~0x30; /* port b 4,5 */ | ||
694 | /* buttons - set interrupt levels */ | ||
695 | GPIOA_INT_LEV = ~(GPIOA_INPUT_VAL & 0x3f); | ||
696 | GPIOA_INT_CLR = GPIOA_INT_STAT & 0x3f; | ||
697 | /* scroll wheel - set interrupt levels */ | ||
698 | GPIOB_INT_LEV = ~(GPIOB_INPUT_VAL & 0x30); | ||
699 | GPIOB_INT_CLR = GPIOB_INT_STAT & 0x30; | ||
700 | /* enable interrupts */ | ||
701 | GPIOA_INT_EN = 0x3f; | ||
702 | GPIOB_INT_EN = 0x30; | ||
703 | /* unmask interrupt */ | ||
704 | CPU_INT_EN = 0x40000000; | ||
705 | CPU_HI_INT_EN = GPIO_MASK; | ||
706 | |||
707 | #elif CONFIG_KEYPAD == IPOD_3G_PAD | ||
708 | GPIOA_INT_LEV = ~GPIOA_INPUT_VAL; | ||
709 | GPIOA_INT_CLR = GPIOA_INT_STAT; | ||
710 | GPIOA_INT_EN = 0xff; | ||
711 | #endif /* CONFIG_KEYPAD */ | 337 | #endif /* CONFIG_KEYPAD */ |
712 | queue_init(&button_queue, true); | 338 | queue_init(&button_queue, true); |
713 | button_read(); | 339 | button_read(); |
@@ -1266,35 +892,6 @@ static int button_read(void) | |||
1266 | if (data & 0x01) | 892 | if (data & 0x01) |
1267 | btn |= BUTTON_ON; | 893 | btn |= BUTTON_ON; |
1268 | 894 | ||
1269 | #elif (CONFIG_KEYPAD == IPOD_4G_PAD) | ||
1270 | static bool hold_button = false; | ||
1271 | bool hold_button_old; | ||
1272 | |||
1273 | /* normal buttons */ | ||
1274 | hold_button_old = hold_button; | ||
1275 | hold_button = button_hold(); | ||
1276 | |||
1277 | if (hold_button != hold_button_old) | ||
1278 | backlight_hold_changed(hold_button); | ||
1279 | |||
1280 | (void)data; | ||
1281 | /* The int_btn variable is set in the button interrupt handler */ | ||
1282 | btn = int_btn; | ||
1283 | |||
1284 | #elif (CONFIG_KEYPAD == IPOD_3G_PAD) | ||
1285 | static bool hold_button = false; | ||
1286 | bool hold_button_old; | ||
1287 | |||
1288 | /* normal buttons */ | ||
1289 | hold_button_old = hold_button; | ||
1290 | hold_button = button_hold(); | ||
1291 | |||
1292 | if (hold_button != hold_button_old) | ||
1293 | backlight_hold_changed(hold_button); | ||
1294 | |||
1295 | (void)data; | ||
1296 | btn = ipod_3g_button_read(); | ||
1297 | |||
1298 | #endif /* CONFIG_KEYPAD */ | 895 | #endif /* CONFIG_KEYPAD */ |
1299 | 896 | ||
1300 | #ifdef HAVE_LCD_BITMAP | 897 | #ifdef HAVE_LCD_BITMAP |
@@ -1313,13 +910,6 @@ static int button_read(void) | |||
1313 | return retval; | 910 | return retval; |
1314 | } | 911 | } |
1315 | 912 | ||
1316 | #if (CONFIG_KEYPAD == IPOD_4G_PAD) || (CONFIG_KEYPAD == IPOD_3G_PAD) | ||
1317 | bool button_hold(void) | ||
1318 | { | ||
1319 | return (GPIOA_INPUT_VAL & 0x20)?false:true; | ||
1320 | } | ||
1321 | #endif | ||
1322 | |||
1323 | #if (CONFIG_KEYPAD == IRIVER_H100_PAD) || (CONFIG_KEYPAD == IRIVER_H300_PAD) | 913 | #if (CONFIG_KEYPAD == IRIVER_H100_PAD) || (CONFIG_KEYPAD == IRIVER_H300_PAD) |
1324 | bool button_hold(void) | 914 | bool button_hold(void) |
1325 | { | 915 | { |
@@ -1357,18 +947,6 @@ int button_status(void) | |||
1357 | return lastbtn; | 947 | return lastbtn; |
1358 | } | 948 | } |
1359 | 949 | ||
1360 | #ifdef HAVE_WHEEL_POSITION | ||
1361 | int wheel_status(void) | ||
1362 | { | ||
1363 | return wheel_position; | ||
1364 | } | ||
1365 | |||
1366 | void wheel_send_events(bool send) | ||
1367 | { | ||
1368 | send_events = send; | ||
1369 | } | ||
1370 | #endif | ||
1371 | |||
1372 | void button_clear_queue(void) | 950 | void button_clear_queue(void) |
1373 | { | 951 | { |
1374 | queue_clear(&button_queue); | 952 | queue_clear(&button_queue); |