root / hw / tsc210x.c @ 997641a8
History | View | Annotate | Download (34.7 kB)
1 |
/*
|
---|---|
2 |
* TI TSC2102 (touchscreen/sensors/audio controller) emulator.
|
3 |
* TI TSC2301 (touchscreen/sensors/keypad).
|
4 |
*
|
5 |
* Copyright (c) 2006 Andrzej Zaborowski <balrog@zabor.org>
|
6 |
* Copyright (C) 2008 Nokia Corporation
|
7 |
*
|
8 |
* This program is free software; you can redistribute it and/or
|
9 |
* modify it under the terms of the GNU General Public License as
|
10 |
* published by the Free Software Foundation; either version 2 or
|
11 |
* (at your option) version 3 of the License.
|
12 |
*
|
13 |
* This program is distributed in the hope that it will be useful,
|
14 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
15 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
16 |
* GNU General Public License for more details.
|
17 |
*
|
18 |
* You should have received a copy of the GNU General Public License
|
19 |
* along with this program; if not, write to the Free Software
|
20 |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
21 |
* MA 02111-1307 USA
|
22 |
*/
|
23 |
|
24 |
#include "hw.h" |
25 |
#include "audio/audio.h" |
26 |
#include "qemu-timer.h" |
27 |
#include "console.h" |
28 |
#include "omap.h" /* For struct i2s_codec_s and struct uwire_slave_s */ |
29 |
#include "devices.h" |
30 |
|
31 |
#define TSC_DATA_REGISTERS_PAGE 0x0 |
32 |
#define TSC_CONTROL_REGISTERS_PAGE 0x1 |
33 |
#define TSC_AUDIO_REGISTERS_PAGE 0x2 |
34 |
|
35 |
#define TSC_VERBOSE
|
36 |
|
37 |
#define TSC_CUT_RESOLUTION(value, p) ((value) >> (16 - resolution[p])) |
38 |
|
39 |
struct tsc210x_state_s {
|
40 |
qemu_irq pint; |
41 |
qemu_irq kbint; |
42 |
qemu_irq davint; |
43 |
QEMUTimer *timer; |
44 |
QEMUSoundCard card; |
45 |
struct uwire_slave_s chip;
|
46 |
struct i2s_codec_s codec;
|
47 |
uint8_t in_fifo[16384];
|
48 |
uint8_t out_fifo[16384];
|
49 |
uint16_t model; |
50 |
|
51 |
int x, y;
|
52 |
int pressure;
|
53 |
|
54 |
int state, page, offset, irq;
|
55 |
uint16_t command, dav; |
56 |
|
57 |
int busy;
|
58 |
int enabled;
|
59 |
int host_mode;
|
60 |
int function;
|
61 |
int nextfunction;
|
62 |
int precision;
|
63 |
int nextprecision;
|
64 |
int filter;
|
65 |
int pin_func;
|
66 |
int ref;
|
67 |
int timing;
|
68 |
int noise;
|
69 |
|
70 |
uint16_t audio_ctrl1; |
71 |
uint16_t audio_ctrl2; |
72 |
uint16_t audio_ctrl3; |
73 |
uint16_t pll[3];
|
74 |
uint16_t volume; |
75 |
int64_t volume_change; |
76 |
int softstep;
|
77 |
uint16_t dac_power; |
78 |
int64_t powerdown; |
79 |
uint16_t filter_data[0x14];
|
80 |
|
81 |
const char *name; |
82 |
SWVoiceIn *adc_voice[1];
|
83 |
SWVoiceOut *dac_voice[1];
|
84 |
int i2s_rx_rate;
|
85 |
int i2s_tx_rate;
|
86 |
AudioState *audio; |
87 |
|
88 |
int tr[8]; |
89 |
|
90 |
struct {
|
91 |
uint16_t down; |
92 |
uint16_t mask; |
93 |
int scan;
|
94 |
int debounce;
|
95 |
int mode;
|
96 |
int intr;
|
97 |
} kb; |
98 |
}; |
99 |
|
100 |
static const int resolution[4] = { 12, 8, 10, 12 }; |
101 |
|
102 |
#define TSC_MODE_NO_SCAN 0x0 |
103 |
#define TSC_MODE_XY_SCAN 0x1 |
104 |
#define TSC_MODE_XYZ_SCAN 0x2 |
105 |
#define TSC_MODE_X 0x3 |
106 |
#define TSC_MODE_Y 0x4 |
107 |
#define TSC_MODE_Z 0x5 |
108 |
#define TSC_MODE_BAT1 0x6 |
109 |
#define TSC_MODE_BAT2 0x7 |
110 |
#define TSC_MODE_AUX 0x8 |
111 |
#define TSC_MODE_AUX_SCAN 0x9 |
112 |
#define TSC_MODE_TEMP1 0xa |
113 |
#define TSC_MODE_PORT_SCAN 0xb |
114 |
#define TSC_MODE_TEMP2 0xc |
115 |
#define TSC_MODE_XX_DRV 0xd |
116 |
#define TSC_MODE_YY_DRV 0xe |
117 |
#define TSC_MODE_YX_DRV 0xf |
118 |
|
119 |
static const uint16_t mode_regs[16] = { |
120 |
0x0000, /* No scan */ |
121 |
0x0600, /* X, Y scan */ |
122 |
0x0780, /* X, Y, Z scan */ |
123 |
0x0400, /* X */ |
124 |
0x0200, /* Y */ |
125 |
0x0180, /* Z */ |
126 |
0x0040, /* BAT1 */ |
127 |
0x0030, /* BAT2 */ |
128 |
0x0010, /* AUX */ |
129 |
0x0010, /* AUX scan */ |
130 |
0x0004, /* TEMP1 */ |
131 |
0x0070, /* Port scan */ |
132 |
0x0002, /* TEMP2 */ |
133 |
0x0000, /* X+, X- drivers */ |
134 |
0x0000, /* Y+, Y- drivers */ |
135 |
0x0000, /* Y+, X- drivers */ |
136 |
}; |
137 |
|
138 |
#define X_TRANSFORM(s) \
|
139 |
((s->y * s->tr[0] - s->x * s->tr[1]) / s->tr[2] + s->tr[3]) |
140 |
#define Y_TRANSFORM(s) \
|
141 |
((s->y * s->tr[4] - s->x * s->tr[5]) / s->tr[6] + s->tr[7]) |
142 |
#define Z1_TRANSFORM(s) \
|
143 |
((400 - ((s)->x >> 7) + ((s)->pressure << 10)) << 4) |
144 |
#define Z2_TRANSFORM(s) \
|
145 |
((4000 + ((s)->y >> 7) - ((s)->pressure << 10)) << 4) |
146 |
|
147 |
#define BAT1_VAL 0x8660 |
148 |
#define BAT2_VAL 0x0000 |
149 |
#define AUX1_VAL 0x35c0 |
150 |
#define AUX2_VAL 0xffff |
151 |
#define TEMP1_VAL 0x8c70 |
152 |
#define TEMP2_VAL 0xa5b0 |
153 |
|
154 |
#define TSC_POWEROFF_DELAY 50 |
155 |
#define TSC_SOFTSTEP_DELAY 50 |
156 |
|
157 |
static void tsc210x_reset(struct tsc210x_state_s *s) |
158 |
{ |
159 |
s->state = 0;
|
160 |
s->pin_func = 2;
|
161 |
s->enabled = 0;
|
162 |
s->busy = 0;
|
163 |
s->nextfunction = 0;
|
164 |
s->ref = 0;
|
165 |
s->timing = 0;
|
166 |
s->irq = 0;
|
167 |
s->dav = 0;
|
168 |
|
169 |
s->audio_ctrl1 = 0x0000;
|
170 |
s->audio_ctrl2 = 0x4410;
|
171 |
s->audio_ctrl3 = 0x0000;
|
172 |
s->pll[0] = 0x1004; |
173 |
s->pll[1] = 0x0000; |
174 |
s->pll[2] = 0x1fff; |
175 |
s->volume = 0xffff;
|
176 |
s->dac_power = 0x8540;
|
177 |
s->softstep = 1;
|
178 |
s->volume_change = 0;
|
179 |
s->powerdown = 0;
|
180 |
s->filter_data[0x00] = 0x6be3; |
181 |
s->filter_data[0x01] = 0x9666; |
182 |
s->filter_data[0x02] = 0x675d; |
183 |
s->filter_data[0x03] = 0x6be3; |
184 |
s->filter_data[0x04] = 0x9666; |
185 |
s->filter_data[0x05] = 0x675d; |
186 |
s->filter_data[0x06] = 0x7d83; |
187 |
s->filter_data[0x07] = 0x84ee; |
188 |
s->filter_data[0x08] = 0x7d83; |
189 |
s->filter_data[0x09] = 0x84ee; |
190 |
s->filter_data[0x0a] = 0x6be3; |
191 |
s->filter_data[0x0b] = 0x9666; |
192 |
s->filter_data[0x0c] = 0x675d; |
193 |
s->filter_data[0x0d] = 0x6be3; |
194 |
s->filter_data[0x0e] = 0x9666; |
195 |
s->filter_data[0x0f] = 0x675d; |
196 |
s->filter_data[0x10] = 0x7d83; |
197 |
s->filter_data[0x11] = 0x84ee; |
198 |
s->filter_data[0x12] = 0x7d83; |
199 |
s->filter_data[0x13] = 0x84ee; |
200 |
|
201 |
s->i2s_tx_rate = 0;
|
202 |
s->i2s_rx_rate = 0;
|
203 |
|
204 |
s->kb.scan = 1;
|
205 |
s->kb.debounce = 0;
|
206 |
s->kb.mask = 0x0000;
|
207 |
s->kb.mode = 3;
|
208 |
s->kb.intr = 0;
|
209 |
|
210 |
qemu_set_irq(s->pint, !s->irq); |
211 |
qemu_set_irq(s->davint, !s->dav); |
212 |
qemu_irq_raise(s->kbint); |
213 |
} |
214 |
|
215 |
struct tsc210x_rate_info_s {
|
216 |
int rate;
|
217 |
int dsor;
|
218 |
int fsref;
|
219 |
}; |
220 |
|
221 |
/* { rate, dsor, fsref } */
|
222 |
static const struct tsc210x_rate_info_s tsc2101_rates[] = { |
223 |
/* Fsref / 6.0 */
|
224 |
{ 7350, 7, 1 }, |
225 |
{ 8000, 7, 0 }, |
226 |
/* Fsref / 5.5 */
|
227 |
{ 8018, 6, 1 }, |
228 |
{ 8727, 6, 0 }, |
229 |
/* Fsref / 5.0 */
|
230 |
{ 8820, 5, 1 }, |
231 |
{ 9600, 5, 0 }, |
232 |
/* Fsref / 4.0 */
|
233 |
{ 11025, 4, 1 }, |
234 |
{ 12000, 4, 0 }, |
235 |
/* Fsref / 3.0 */
|
236 |
{ 14700, 3, 1 }, |
237 |
{ 16000, 3, 0 }, |
238 |
/* Fsref / 2.0 */
|
239 |
{ 22050, 2, 1 }, |
240 |
{ 24000, 2, 0 }, |
241 |
/* Fsref / 1.5 */
|
242 |
{ 29400, 1, 1 }, |
243 |
{ 32000, 1, 0 }, |
244 |
/* Fsref */
|
245 |
{ 44100, 0, 1 }, |
246 |
{ 48000, 0, 0 }, |
247 |
|
248 |
{ 0, 0, 0 }, |
249 |
}; |
250 |
|
251 |
/* { rate, dsor, fsref } */
|
252 |
static const struct tsc210x_rate_info_s tsc2102_rates[] = { |
253 |
/* Fsref / 6.0 */
|
254 |
{ 7350, 63, 1 }, |
255 |
{ 8000, 63, 0 }, |
256 |
/* Fsref / 6.0 */
|
257 |
{ 7350, 54, 1 }, |
258 |
{ 8000, 54, 0 }, |
259 |
/* Fsref / 5.0 */
|
260 |
{ 8820, 45, 1 }, |
261 |
{ 9600, 45, 0 }, |
262 |
/* Fsref / 4.0 */
|
263 |
{ 11025, 36, 1 }, |
264 |
{ 12000, 36, 0 }, |
265 |
/* Fsref / 3.0 */
|
266 |
{ 14700, 27, 1 }, |
267 |
{ 16000, 27, 0 }, |
268 |
/* Fsref / 2.0 */
|
269 |
{ 22050, 18, 1 }, |
270 |
{ 24000, 18, 0 }, |
271 |
/* Fsref / 1.5 */
|
272 |
{ 29400, 9, 1 }, |
273 |
{ 32000, 9, 0 }, |
274 |
/* Fsref */
|
275 |
{ 44100, 0, 1 }, |
276 |
{ 48000, 0, 0 }, |
277 |
|
278 |
{ 0, 0, 0 }, |
279 |
}; |
280 |
|
281 |
static inline void tsc210x_out_flush(struct tsc210x_state_s *s, int len) |
282 |
{ |
283 |
uint8_t *data = s->codec.out.fifo + s->codec.out.start; |
284 |
uint8_t *end = data + len; |
285 |
|
286 |
while (data < end)
|
287 |
data += AUD_write(s->dac_voice[0], data, end - data) ?: (end - data);
|
288 |
|
289 |
s->codec.out.len -= len; |
290 |
if (s->codec.out.len)
|
291 |
memmove(s->codec.out.fifo, end, s->codec.out.len); |
292 |
s->codec.out.start = 0;
|
293 |
} |
294 |
|
295 |
static void tsc210x_audio_out_cb(struct tsc210x_state_s *s, int free_b) |
296 |
{ |
297 |
if (s->codec.out.len >= free_b) {
|
298 |
tsc210x_out_flush(s, free_b); |
299 |
return;
|
300 |
} |
301 |
|
302 |
s->codec.out.size = MIN(free_b, 16384);
|
303 |
qemu_irq_raise(s->codec.tx_start); |
304 |
} |
305 |
|
306 |
static void tsc2102_audio_rate_update(struct tsc210x_state_s *s) |
307 |
{ |
308 |
const struct tsc210x_rate_info_s *rate; |
309 |
|
310 |
s->codec.tx_rate = 0;
|
311 |
s->codec.rx_rate = 0;
|
312 |
if (s->dac_power & (1 << 15)) /* PWDNC */ |
313 |
return;
|
314 |
|
315 |
for (rate = tsc2102_rates; rate->rate; rate ++)
|
316 |
if (rate->dsor == (s->audio_ctrl1 & 0x3f) && /* DACFS */ |
317 |
rate->fsref == ((s->audio_ctrl3 >> 13) & 1))/* REFFS */ |
318 |
break;
|
319 |
if (!rate->rate) {
|
320 |
printf("%s: unknown sampling rate configured\n", __FUNCTION__);
|
321 |
return;
|
322 |
} |
323 |
|
324 |
s->codec.tx_rate = rate->rate; |
325 |
} |
326 |
|
327 |
static void tsc2102_audio_output_update(struct tsc210x_state_s *s) |
328 |
{ |
329 |
int enable;
|
330 |
struct audsettings fmt;
|
331 |
|
332 |
if (s->dac_voice[0]) { |
333 |
tsc210x_out_flush(s, s->codec.out.len); |
334 |
s->codec.out.size = 0;
|
335 |
AUD_set_active_out(s->dac_voice[0], 0); |
336 |
AUD_close_out(&s->card, s->dac_voice[0]);
|
337 |
s->dac_voice[0] = 0; |
338 |
} |
339 |
s->codec.cts = 0;
|
340 |
|
341 |
enable = |
342 |
(~s->dac_power & (1 << 15)) && /* PWDNC */ |
343 |
(~s->dac_power & (1 << 10)); /* DAPWDN */ |
344 |
if (!enable || !s->codec.tx_rate)
|
345 |
return;
|
346 |
|
347 |
/* Force our own sampling rate even in slave DAC mode */
|
348 |
fmt.endianness = 0;
|
349 |
fmt.nchannels = 2;
|
350 |
fmt.freq = s->codec.tx_rate; |
351 |
fmt.fmt = AUD_FMT_S16; |
352 |
|
353 |
s->dac_voice[0] = AUD_open_out(&s->card, s->dac_voice[0], |
354 |
"tsc2102.sink", s, (void *) tsc210x_audio_out_cb, &fmt); |
355 |
if (s->dac_voice[0]) { |
356 |
s->codec.cts = 1;
|
357 |
AUD_set_active_out(s->dac_voice[0], 1); |
358 |
} |
359 |
} |
360 |
|
361 |
static uint16_t tsc2102_data_register_read(struct tsc210x_state_s *s, int reg) |
362 |
{ |
363 |
switch (reg) {
|
364 |
case 0x00: /* X */ |
365 |
s->dav &= 0xfbff;
|
366 |
return TSC_CUT_RESOLUTION(X_TRANSFORM(s), s->precision) +
|
367 |
(s->noise & 3);
|
368 |
|
369 |
case 0x01: /* Y */ |
370 |
s->noise ++; |
371 |
s->dav &= 0xfdff;
|
372 |
return TSC_CUT_RESOLUTION(Y_TRANSFORM(s), s->precision) ^
|
373 |
(s->noise & 3);
|
374 |
|
375 |
case 0x02: /* Z1 */ |
376 |
s->dav &= 0xfeff;
|
377 |
return TSC_CUT_RESOLUTION(Z1_TRANSFORM(s), s->precision) -
|
378 |
(s->noise & 3);
|
379 |
|
380 |
case 0x03: /* Z2 */ |
381 |
s->dav &= 0xff7f;
|
382 |
return TSC_CUT_RESOLUTION(Z2_TRANSFORM(s), s->precision) |
|
383 |
(s->noise & 3);
|
384 |
|
385 |
case 0x04: /* KPData */ |
386 |
if ((s->model & 0xff00) == 0x2300) { |
387 |
if (s->kb.intr && (s->kb.mode & 2)) { |
388 |
s->kb.intr = 0;
|
389 |
qemu_irq_raise(s->kbint); |
390 |
} |
391 |
return s->kb.down;
|
392 |
} |
393 |
|
394 |
return 0xffff; |
395 |
|
396 |
case 0x05: /* BAT1 */ |
397 |
s->dav &= 0xffbf;
|
398 |
return TSC_CUT_RESOLUTION(BAT1_VAL, s->precision) +
|
399 |
(s->noise & 6);
|
400 |
|
401 |
case 0x06: /* BAT2 */ |
402 |
s->dav &= 0xffdf;
|
403 |
return TSC_CUT_RESOLUTION(BAT2_VAL, s->precision);
|
404 |
|
405 |
case 0x07: /* AUX1 */ |
406 |
s->dav &= 0xffef;
|
407 |
return TSC_CUT_RESOLUTION(AUX1_VAL, s->precision);
|
408 |
|
409 |
case 0x08: /* AUX2 */ |
410 |
s->dav &= 0xfff7;
|
411 |
return 0xffff; |
412 |
|
413 |
case 0x09: /* TEMP1 */ |
414 |
s->dav &= 0xfffb;
|
415 |
return TSC_CUT_RESOLUTION(TEMP1_VAL, s->precision) -
|
416 |
(s->noise & 5);
|
417 |
|
418 |
case 0x0a: /* TEMP2 */ |
419 |
s->dav &= 0xfffd;
|
420 |
return TSC_CUT_RESOLUTION(TEMP2_VAL, s->precision) ^
|
421 |
(s->noise & 3);
|
422 |
|
423 |
case 0x0b: /* DAC */ |
424 |
s->dav &= 0xfffe;
|
425 |
return 0xffff; |
426 |
|
427 |
default:
|
428 |
#ifdef TSC_VERBOSE
|
429 |
fprintf(stderr, "tsc2102_data_register_read: "
|
430 |
"no such register: 0x%02x\n", reg);
|
431 |
#endif
|
432 |
return 0xffff; |
433 |
} |
434 |
} |
435 |
|
436 |
static uint16_t tsc2102_control_register_read(
|
437 |
struct tsc210x_state_s *s, int reg) |
438 |
{ |
439 |
switch (reg) {
|
440 |
case 0x00: /* TSC ADC */ |
441 |
return (s->pressure << 15) | ((!s->busy) << 14) | |
442 |
(s->nextfunction << 10) | (s->nextprecision << 8) | s->filter; |
443 |
|
444 |
case 0x01: /* Status / Keypad Control */ |
445 |
if ((s->model & 0xff00) == 0x2100) |
446 |
return (s->pin_func << 14) | ((!s->enabled) << 13) | |
447 |
(s->host_mode << 12) | ((!!s->dav) << 11) | s->dav; |
448 |
else
|
449 |
return (s->kb.intr << 15) | ((s->kb.scan || !s->kb.down) << 14) | |
450 |
(s->kb.debounce << 11);
|
451 |
|
452 |
case 0x02: /* DAC Control */ |
453 |
if ((s->model & 0xff00) == 0x2300) |
454 |
return s->dac_power & 0x8000; |
455 |
else
|
456 |
goto bad_reg;
|
457 |
|
458 |
case 0x03: /* Reference */ |
459 |
return s->ref;
|
460 |
|
461 |
case 0x04: /* Reset */ |
462 |
return 0xffff; |
463 |
|
464 |
case 0x05: /* Configuration */ |
465 |
return s->timing;
|
466 |
|
467 |
case 0x06: /* Secondary configuration */ |
468 |
if ((s->model & 0xff00) == 0x2100) |
469 |
goto bad_reg;
|
470 |
return ((!s->dav) << 15) | ((s->kb.mode & 1) << 14) | s->pll[2]; |
471 |
|
472 |
case 0x10: /* Keypad Mask */ |
473 |
if ((s->model & 0xff00) == 0x2100) |
474 |
goto bad_reg;
|
475 |
return s->kb.mask;
|
476 |
|
477 |
default:
|
478 |
bad_reg:
|
479 |
#ifdef TSC_VERBOSE
|
480 |
fprintf(stderr, "tsc2102_control_register_read: "
|
481 |
"no such register: 0x%02x\n", reg);
|
482 |
#endif
|
483 |
return 0xffff; |
484 |
} |
485 |
} |
486 |
|
487 |
static uint16_t tsc2102_audio_register_read(struct tsc210x_state_s *s, int reg) |
488 |
{ |
489 |
int l_ch, r_ch;
|
490 |
uint16_t val; |
491 |
|
492 |
switch (reg) {
|
493 |
case 0x00: /* Audio Control 1 */ |
494 |
return s->audio_ctrl1;
|
495 |
|
496 |
case 0x01: |
497 |
return 0xff00; |
498 |
|
499 |
case 0x02: /* DAC Volume Control */ |
500 |
return s->volume;
|
501 |
|
502 |
case 0x03: |
503 |
return 0x8b00; |
504 |
|
505 |
case 0x04: /* Audio Control 2 */ |
506 |
l_ch = 1;
|
507 |
r_ch = 1;
|
508 |
if (s->softstep && !(s->dac_power & (1 << 10))) { |
509 |
l_ch = (qemu_get_clock(vm_clock) > |
510 |
s->volume_change + TSC_SOFTSTEP_DELAY); |
511 |
r_ch = (qemu_get_clock(vm_clock) > |
512 |
s->volume_change + TSC_SOFTSTEP_DELAY); |
513 |
} |
514 |
|
515 |
return s->audio_ctrl2 | (l_ch << 3) | (r_ch << 2); |
516 |
|
517 |
case 0x05: /* Stereo DAC Power Control */ |
518 |
return 0x2aa0 | s->dac_power | |
519 |
(((s->dac_power & (1 << 10)) && |
520 |
(qemu_get_clock(vm_clock) > |
521 |
s->powerdown + TSC_POWEROFF_DELAY)) << 6);
|
522 |
|
523 |
case 0x06: /* Audio Control 3 */ |
524 |
val = s->audio_ctrl3 | 0x0001;
|
525 |
s->audio_ctrl3 &= 0xff3f;
|
526 |
return val;
|
527 |
|
528 |
case 0x07: /* LCH_BASS_BOOST_N0 */ |
529 |
case 0x08: /* LCH_BASS_BOOST_N1 */ |
530 |
case 0x09: /* LCH_BASS_BOOST_N2 */ |
531 |
case 0x0a: /* LCH_BASS_BOOST_N3 */ |
532 |
case 0x0b: /* LCH_BASS_BOOST_N4 */ |
533 |
case 0x0c: /* LCH_BASS_BOOST_N5 */ |
534 |
case 0x0d: /* LCH_BASS_BOOST_D1 */ |
535 |
case 0x0e: /* LCH_BASS_BOOST_D2 */ |
536 |
case 0x0f: /* LCH_BASS_BOOST_D4 */ |
537 |
case 0x10: /* LCH_BASS_BOOST_D5 */ |
538 |
case 0x11: /* RCH_BASS_BOOST_N0 */ |
539 |
case 0x12: /* RCH_BASS_BOOST_N1 */ |
540 |
case 0x13: /* RCH_BASS_BOOST_N2 */ |
541 |
case 0x14: /* RCH_BASS_BOOST_N3 */ |
542 |
case 0x15: /* RCH_BASS_BOOST_N4 */ |
543 |
case 0x16: /* RCH_BASS_BOOST_N5 */ |
544 |
case 0x17: /* RCH_BASS_BOOST_D1 */ |
545 |
case 0x18: /* RCH_BASS_BOOST_D2 */ |
546 |
case 0x19: /* RCH_BASS_BOOST_D4 */ |
547 |
case 0x1a: /* RCH_BASS_BOOST_D5 */ |
548 |
return s->filter_data[reg - 0x07]; |
549 |
|
550 |
case 0x1b: /* PLL Programmability 1 */ |
551 |
return s->pll[0]; |
552 |
|
553 |
case 0x1c: /* PLL Programmability 2 */ |
554 |
return s->pll[1]; |
555 |
|
556 |
case 0x1d: /* Audio Control 4 */ |
557 |
return (!s->softstep) << 14; |
558 |
|
559 |
default:
|
560 |
#ifdef TSC_VERBOSE
|
561 |
fprintf(stderr, "tsc2102_audio_register_read: "
|
562 |
"no such register: 0x%02x\n", reg);
|
563 |
#endif
|
564 |
return 0xffff; |
565 |
} |
566 |
} |
567 |
|
568 |
static void tsc2102_data_register_write( |
569 |
struct tsc210x_state_s *s, int reg, uint16_t value) |
570 |
{ |
571 |
switch (reg) {
|
572 |
case 0x00: /* X */ |
573 |
case 0x01: /* Y */ |
574 |
case 0x02: /* Z1 */ |
575 |
case 0x03: /* Z2 */ |
576 |
case 0x05: /* BAT1 */ |
577 |
case 0x06: /* BAT2 */ |
578 |
case 0x07: /* AUX1 */ |
579 |
case 0x08: /* AUX2 */ |
580 |
case 0x09: /* TEMP1 */ |
581 |
case 0x0a: /* TEMP2 */ |
582 |
return;
|
583 |
|
584 |
default:
|
585 |
#ifdef TSC_VERBOSE
|
586 |
fprintf(stderr, "tsc2102_data_register_write: "
|
587 |
"no such register: 0x%02x\n", reg);
|
588 |
#endif
|
589 |
} |
590 |
} |
591 |
|
592 |
static void tsc2102_control_register_write( |
593 |
struct tsc210x_state_s *s, int reg, uint16_t value) |
594 |
{ |
595 |
switch (reg) {
|
596 |
case 0x00: /* TSC ADC */ |
597 |
s->host_mode = value >> 15;
|
598 |
s->enabled = !(value & 0x4000);
|
599 |
if (s->busy && !s->enabled)
|
600 |
qemu_del_timer(s->timer); |
601 |
s->busy &= s->enabled; |
602 |
s->nextfunction = (value >> 10) & 0xf; |
603 |
s->nextprecision = (value >> 8) & 3; |
604 |
s->filter = value & 0xff;
|
605 |
return;
|
606 |
|
607 |
case 0x01: /* Status / Keypad Control */ |
608 |
if ((s->model & 0xff00) == 0x2100) |
609 |
s->pin_func = value >> 14;
|
610 |
else {
|
611 |
s->kb.scan = (value >> 14) & 1; |
612 |
s->kb.debounce = (value >> 11) & 7; |
613 |
if (s->kb.intr && s->kb.scan) {
|
614 |
s->kb.intr = 0;
|
615 |
qemu_irq_raise(s->kbint); |
616 |
} |
617 |
} |
618 |
return;
|
619 |
|
620 |
case 0x02: /* DAC Control */ |
621 |
if ((s->model & 0xff00) == 0x2300) { |
622 |
s->dac_power &= 0x7fff;
|
623 |
s->dac_power |= 0x8000 & value;
|
624 |
} else
|
625 |
goto bad_reg;
|
626 |
break;
|
627 |
|
628 |
case 0x03: /* Reference */ |
629 |
s->ref = value & 0x1f;
|
630 |
return;
|
631 |
|
632 |
case 0x04: /* Reset */ |
633 |
if (value == 0xbb00) { |
634 |
if (s->busy)
|
635 |
qemu_del_timer(s->timer); |
636 |
tsc210x_reset(s); |
637 |
#ifdef TSC_VERBOSE
|
638 |
} else {
|
639 |
fprintf(stderr, "tsc2102_control_register_write: "
|
640 |
"wrong value written into RESET\n");
|
641 |
#endif
|
642 |
} |
643 |
return;
|
644 |
|
645 |
case 0x05: /* Configuration */ |
646 |
s->timing = value & 0x3f;
|
647 |
#ifdef TSC_VERBOSE
|
648 |
if (value & ~0x3f) |
649 |
fprintf(stderr, "tsc2102_control_register_write: "
|
650 |
"wrong value written into CONFIG\n");
|
651 |
#endif
|
652 |
return;
|
653 |
|
654 |
case 0x06: /* Secondary configuration */ |
655 |
if ((s->model & 0xff00) == 0x2100) |
656 |
goto bad_reg;
|
657 |
s->kb.mode = value >> 14;
|
658 |
s->pll[2] = value & 0x3ffff; |
659 |
return;
|
660 |
|
661 |
case 0x10: /* Keypad Mask */ |
662 |
if ((s->model & 0xff00) == 0x2100) |
663 |
goto bad_reg;
|
664 |
s->kb.mask = value; |
665 |
return;
|
666 |
|
667 |
default:
|
668 |
bad_reg:
|
669 |
#ifdef TSC_VERBOSE
|
670 |
fprintf(stderr, "tsc2102_control_register_write: "
|
671 |
"no such register: 0x%02x\n", reg);
|
672 |
#endif
|
673 |
} |
674 |
} |
675 |
|
676 |
static void tsc2102_audio_register_write( |
677 |
struct tsc210x_state_s *s, int reg, uint16_t value) |
678 |
{ |
679 |
switch (reg) {
|
680 |
case 0x00: /* Audio Control 1 */ |
681 |
s->audio_ctrl1 = value & 0x0f3f;
|
682 |
#ifdef TSC_VERBOSE
|
683 |
if ((value & ~0x0f3f) || ((value & 7) != ((value >> 3) & 7))) |
684 |
fprintf(stderr, "tsc2102_audio_register_write: "
|
685 |
"wrong value written into Audio 1\n");
|
686 |
#endif
|
687 |
tsc2102_audio_rate_update(s); |
688 |
if (s->audio)
|
689 |
tsc2102_audio_output_update(s); |
690 |
return;
|
691 |
|
692 |
case 0x01: |
693 |
#ifdef TSC_VERBOSE
|
694 |
if (value != 0xff00) |
695 |
fprintf(stderr, "tsc2102_audio_register_write: "
|
696 |
"wrong value written into reg 0x01\n");
|
697 |
#endif
|
698 |
return;
|
699 |
|
700 |
case 0x02: /* DAC Volume Control */ |
701 |
s->volume = value; |
702 |
s->volume_change = qemu_get_clock(vm_clock); |
703 |
return;
|
704 |
|
705 |
case 0x03: |
706 |
#ifdef TSC_VERBOSE
|
707 |
if (value != 0x8b00) |
708 |
fprintf(stderr, "tsc2102_audio_register_write: "
|
709 |
"wrong value written into reg 0x03\n");
|
710 |
#endif
|
711 |
return;
|
712 |
|
713 |
case 0x04: /* Audio Control 2 */ |
714 |
s->audio_ctrl2 = value & 0xf7f2;
|
715 |
#ifdef TSC_VERBOSE
|
716 |
if (value & ~0xf7fd) |
717 |
fprintf(stderr, "tsc2102_audio_register_write: "
|
718 |
"wrong value written into Audio 2\n");
|
719 |
#endif
|
720 |
return;
|
721 |
|
722 |
case 0x05: /* Stereo DAC Power Control */ |
723 |
if ((value & ~s->dac_power) & (1 << 10)) |
724 |
s->powerdown = qemu_get_clock(vm_clock); |
725 |
|
726 |
s->dac_power = value & 0x9543;
|
727 |
#ifdef TSC_VERBOSE
|
728 |
if ((value & ~0x9543) != 0x2aa0) |
729 |
fprintf(stderr, "tsc2102_audio_register_write: "
|
730 |
"wrong value written into Power\n");
|
731 |
#endif
|
732 |
tsc2102_audio_rate_update(s); |
733 |
if (s->audio)
|
734 |
tsc2102_audio_output_update(s); |
735 |
return;
|
736 |
|
737 |
case 0x06: /* Audio Control 3 */ |
738 |
s->audio_ctrl3 &= 0x00c0;
|
739 |
s->audio_ctrl3 |= value & 0xf800;
|
740 |
#ifdef TSC_VERBOSE
|
741 |
if (value & ~0xf8c7) |
742 |
fprintf(stderr, "tsc2102_audio_register_write: "
|
743 |
"wrong value written into Audio 3\n");
|
744 |
#endif
|
745 |
if (s->audio)
|
746 |
tsc2102_audio_output_update(s); |
747 |
return;
|
748 |
|
749 |
case 0x07: /* LCH_BASS_BOOST_N0 */ |
750 |
case 0x08: /* LCH_BASS_BOOST_N1 */ |
751 |
case 0x09: /* LCH_BASS_BOOST_N2 */ |
752 |
case 0x0a: /* LCH_BASS_BOOST_N3 */ |
753 |
case 0x0b: /* LCH_BASS_BOOST_N4 */ |
754 |
case 0x0c: /* LCH_BASS_BOOST_N5 */ |
755 |
case 0x0d: /* LCH_BASS_BOOST_D1 */ |
756 |
case 0x0e: /* LCH_BASS_BOOST_D2 */ |
757 |
case 0x0f: /* LCH_BASS_BOOST_D4 */ |
758 |
case 0x10: /* LCH_BASS_BOOST_D5 */ |
759 |
case 0x11: /* RCH_BASS_BOOST_N0 */ |
760 |
case 0x12: /* RCH_BASS_BOOST_N1 */ |
761 |
case 0x13: /* RCH_BASS_BOOST_N2 */ |
762 |
case 0x14: /* RCH_BASS_BOOST_N3 */ |
763 |
case 0x15: /* RCH_BASS_BOOST_N4 */ |
764 |
case 0x16: /* RCH_BASS_BOOST_N5 */ |
765 |
case 0x17: /* RCH_BASS_BOOST_D1 */ |
766 |
case 0x18: /* RCH_BASS_BOOST_D2 */ |
767 |
case 0x19: /* RCH_BASS_BOOST_D4 */ |
768 |
case 0x1a: /* RCH_BASS_BOOST_D5 */ |
769 |
s->filter_data[reg - 0x07] = value;
|
770 |
return;
|
771 |
|
772 |
case 0x1b: /* PLL Programmability 1 */ |
773 |
s->pll[0] = value & 0xfffc; |
774 |
#ifdef TSC_VERBOSE
|
775 |
if (value & ~0xfffc) |
776 |
fprintf(stderr, "tsc2102_audio_register_write: "
|
777 |
"wrong value written into PLL 1\n");
|
778 |
#endif
|
779 |
return;
|
780 |
|
781 |
case 0x1c: /* PLL Programmability 2 */ |
782 |
s->pll[1] = value & 0xfffc; |
783 |
#ifdef TSC_VERBOSE
|
784 |
if (value & ~0xfffc) |
785 |
fprintf(stderr, "tsc2102_audio_register_write: "
|
786 |
"wrong value written into PLL 2\n");
|
787 |
#endif
|
788 |
return;
|
789 |
|
790 |
case 0x1d: /* Audio Control 4 */ |
791 |
s->softstep = !(value & 0x4000);
|
792 |
#ifdef TSC_VERBOSE
|
793 |
if (value & ~0x4000) |
794 |
fprintf(stderr, "tsc2102_audio_register_write: "
|
795 |
"wrong value written into Audio 4\n");
|
796 |
#endif
|
797 |
return;
|
798 |
|
799 |
default:
|
800 |
#ifdef TSC_VERBOSE
|
801 |
fprintf(stderr, "tsc2102_audio_register_write: "
|
802 |
"no such register: 0x%02x\n", reg);
|
803 |
#endif
|
804 |
} |
805 |
} |
806 |
|
807 |
/* This handles most of the chip logic. */
|
808 |
static void tsc210x_pin_update(struct tsc210x_state_s *s) |
809 |
{ |
810 |
int64_t expires; |
811 |
int pin_state;
|
812 |
|
813 |
switch (s->pin_func) {
|
814 |
case 0: |
815 |
pin_state = s->pressure; |
816 |
break;
|
817 |
case 1: |
818 |
pin_state = !!s->dav; |
819 |
break;
|
820 |
case 2: |
821 |
default:
|
822 |
pin_state = s->pressure && !s->dav; |
823 |
} |
824 |
|
825 |
if (!s->enabled)
|
826 |
pin_state = 0;
|
827 |
|
828 |
if (pin_state != s->irq) {
|
829 |
s->irq = pin_state; |
830 |
qemu_set_irq(s->pint, !s->irq); |
831 |
} |
832 |
|
833 |
switch (s->nextfunction) {
|
834 |
case TSC_MODE_XY_SCAN:
|
835 |
case TSC_MODE_XYZ_SCAN:
|
836 |
if (!s->pressure)
|
837 |
return;
|
838 |
break;
|
839 |
|
840 |
case TSC_MODE_X:
|
841 |
case TSC_MODE_Y:
|
842 |
case TSC_MODE_Z:
|
843 |
if (!s->pressure)
|
844 |
return;
|
845 |
/* Fall through */
|
846 |
case TSC_MODE_BAT1:
|
847 |
case TSC_MODE_BAT2:
|
848 |
case TSC_MODE_AUX:
|
849 |
case TSC_MODE_TEMP1:
|
850 |
case TSC_MODE_TEMP2:
|
851 |
if (s->dav)
|
852 |
s->enabled = 0;
|
853 |
break;
|
854 |
|
855 |
case TSC_MODE_AUX_SCAN:
|
856 |
case TSC_MODE_PORT_SCAN:
|
857 |
break;
|
858 |
|
859 |
case TSC_MODE_NO_SCAN:
|
860 |
case TSC_MODE_XX_DRV:
|
861 |
case TSC_MODE_YY_DRV:
|
862 |
case TSC_MODE_YX_DRV:
|
863 |
default:
|
864 |
return;
|
865 |
} |
866 |
|
867 |
if (!s->enabled || s->busy || s->dav)
|
868 |
return;
|
869 |
|
870 |
s->busy = 1;
|
871 |
s->precision = s->nextprecision; |
872 |
s->function = s->nextfunction; |
873 |
expires = qemu_get_clock(vm_clock) + (ticks_per_sec >> 10);
|
874 |
qemu_mod_timer(s->timer, expires); |
875 |
} |
876 |
|
877 |
static uint16_t tsc210x_read(struct tsc210x_state_s *s) |
878 |
{ |
879 |
uint16_t ret = 0x0000;
|
880 |
|
881 |
if (!s->command)
|
882 |
fprintf(stderr, "tsc210x_read: SPI underrun!\n");
|
883 |
|
884 |
switch (s->page) {
|
885 |
case TSC_DATA_REGISTERS_PAGE:
|
886 |
ret = tsc2102_data_register_read(s, s->offset); |
887 |
if (!s->dav)
|
888 |
qemu_irq_raise(s->davint); |
889 |
break;
|
890 |
case TSC_CONTROL_REGISTERS_PAGE:
|
891 |
ret = tsc2102_control_register_read(s, s->offset); |
892 |
break;
|
893 |
case TSC_AUDIO_REGISTERS_PAGE:
|
894 |
ret = tsc2102_audio_register_read(s, s->offset); |
895 |
break;
|
896 |
default:
|
897 |
cpu_abort(cpu_single_env, "tsc210x_read: wrong memory page\n");
|
898 |
} |
899 |
|
900 |
tsc210x_pin_update(s); |
901 |
|
902 |
/* Allow sequential reads. */
|
903 |
s->offset ++; |
904 |
s->state = 0;
|
905 |
return ret;
|
906 |
} |
907 |
|
908 |
static void tsc210x_write(struct tsc210x_state_s *s, uint16_t value) |
909 |
{ |
910 |
/*
|
911 |
* This is a two-state state machine for reading
|
912 |
* command and data every second time.
|
913 |
*/
|
914 |
if (!s->state) {
|
915 |
s->command = value >> 15;
|
916 |
s->page = (value >> 11) & 0x0f; |
917 |
s->offset = (value >> 5) & 0x3f; |
918 |
s->state = 1;
|
919 |
} else {
|
920 |
if (s->command)
|
921 |
fprintf(stderr, "tsc210x_write: SPI overrun!\n");
|
922 |
else
|
923 |
switch (s->page) {
|
924 |
case TSC_DATA_REGISTERS_PAGE:
|
925 |
tsc2102_data_register_write(s, s->offset, value); |
926 |
break;
|
927 |
case TSC_CONTROL_REGISTERS_PAGE:
|
928 |
tsc2102_control_register_write(s, s->offset, value); |
929 |
break;
|
930 |
case TSC_AUDIO_REGISTERS_PAGE:
|
931 |
tsc2102_audio_register_write(s, s->offset, value); |
932 |
break;
|
933 |
default:
|
934 |
cpu_abort(cpu_single_env, |
935 |
"tsc210x_write: wrong memory page\n");
|
936 |
} |
937 |
|
938 |
tsc210x_pin_update(s); |
939 |
s->state = 0;
|
940 |
} |
941 |
} |
942 |
|
943 |
uint32_t tsc210x_txrx(void *opaque, uint32_t value, int len) |
944 |
{ |
945 |
struct tsc210x_state_s *s = opaque;
|
946 |
uint32_t ret = 0;
|
947 |
|
948 |
if (len != 16) |
949 |
cpu_abort(cpu_single_env, "%s: FIXME: bad SPI word width %i\n",
|
950 |
__FUNCTION__, len); |
951 |
|
952 |
/* TODO: sequential reads etc - how do we make sure the host doesn't
|
953 |
* unintentionally read out a conversion result from a register while
|
954 |
* transmitting the command word of the next command? */
|
955 |
if (!value || (s->state && s->command))
|
956 |
ret = tsc210x_read(s); |
957 |
if (value || (s->state && !s->command))
|
958 |
tsc210x_write(s, value); |
959 |
|
960 |
return ret;
|
961 |
} |
962 |
|
963 |
static void tsc210x_timer_tick(void *opaque) |
964 |
{ |
965 |
struct tsc210x_state_s *s = opaque;
|
966 |
|
967 |
/* Timer ticked -- a set of conversions has been finished. */
|
968 |
|
969 |
if (!s->busy)
|
970 |
return;
|
971 |
|
972 |
s->busy = 0;
|
973 |
s->dav |= mode_regs[s->function]; |
974 |
tsc210x_pin_update(s); |
975 |
qemu_irq_lower(s->davint); |
976 |
} |
977 |
|
978 |
static void tsc210x_touchscreen_event(void *opaque, |
979 |
int x, int y, int z, int buttons_state) |
980 |
{ |
981 |
struct tsc210x_state_s *s = opaque;
|
982 |
int p = s->pressure;
|
983 |
|
984 |
if (buttons_state) {
|
985 |
s->x = x; |
986 |
s->y = y; |
987 |
} |
988 |
s->pressure = !!buttons_state; |
989 |
|
990 |
/*
|
991 |
* Note: We would get better responsiveness in the guest by
|
992 |
* signaling TS events immediately, but for now we simulate
|
993 |
* the first conversion delay for sake of correctness.
|
994 |
*/
|
995 |
if (p != s->pressure)
|
996 |
tsc210x_pin_update(s); |
997 |
} |
998 |
|
999 |
static void tsc210x_i2s_swallow(struct tsc210x_state_s *s) |
1000 |
{ |
1001 |
if (s->dac_voice[0]) |
1002 |
tsc210x_out_flush(s, s->codec.out.len); |
1003 |
else
|
1004 |
s->codec.out.len = 0;
|
1005 |
} |
1006 |
|
1007 |
static void tsc210x_i2s_set_rate(struct tsc210x_state_s *s, int in, int out) |
1008 |
{ |
1009 |
s->i2s_tx_rate = out; |
1010 |
s->i2s_rx_rate = in; |
1011 |
} |
1012 |
|
1013 |
static void tsc210x_save(QEMUFile *f, void *opaque) |
1014 |
{ |
1015 |
struct tsc210x_state_s *s = (struct tsc210x_state_s *) opaque; |
1016 |
int64_t now = qemu_get_clock(vm_clock); |
1017 |
int i;
|
1018 |
|
1019 |
qemu_put_be16(f, s->x); |
1020 |
qemu_put_be16(f, s->y); |
1021 |
qemu_put_byte(f, s->pressure); |
1022 |
|
1023 |
qemu_put_byte(f, s->state); |
1024 |
qemu_put_byte(f, s->page); |
1025 |
qemu_put_byte(f, s->offset); |
1026 |
qemu_put_byte(f, s->command); |
1027 |
|
1028 |
qemu_put_byte(f, s->irq); |
1029 |
qemu_put_be16s(f, &s->dav); |
1030 |
|
1031 |
qemu_put_timer(f, s->timer); |
1032 |
qemu_put_byte(f, s->enabled); |
1033 |
qemu_put_byte(f, s->host_mode); |
1034 |
qemu_put_byte(f, s->function); |
1035 |
qemu_put_byte(f, s->nextfunction); |
1036 |
qemu_put_byte(f, s->precision); |
1037 |
qemu_put_byte(f, s->nextprecision); |
1038 |
qemu_put_byte(f, s->filter); |
1039 |
qemu_put_byte(f, s->pin_func); |
1040 |
qemu_put_byte(f, s->ref); |
1041 |
qemu_put_byte(f, s->timing); |
1042 |
qemu_put_be32(f, s->noise); |
1043 |
|
1044 |
qemu_put_be16s(f, &s->audio_ctrl1); |
1045 |
qemu_put_be16s(f, &s->audio_ctrl2); |
1046 |
qemu_put_be16s(f, &s->audio_ctrl3); |
1047 |
qemu_put_be16s(f, &s->pll[0]);
|
1048 |
qemu_put_be16s(f, &s->pll[1]);
|
1049 |
qemu_put_be16s(f, &s->volume); |
1050 |
qemu_put_sbe64(f, (s->volume_change - now)); |
1051 |
qemu_put_sbe64(f, (s->powerdown - now)); |
1052 |
qemu_put_byte(f, s->softstep); |
1053 |
qemu_put_be16s(f, &s->dac_power); |
1054 |
|
1055 |
for (i = 0; i < 0x14; i ++) |
1056 |
qemu_put_be16s(f, &s->filter_data[i]); |
1057 |
} |
1058 |
|
1059 |
static int tsc210x_load(QEMUFile *f, void *opaque, int version_id) |
1060 |
{ |
1061 |
struct tsc210x_state_s *s = (struct tsc210x_state_s *) opaque; |
1062 |
int64_t now = qemu_get_clock(vm_clock); |
1063 |
int i;
|
1064 |
|
1065 |
s->x = qemu_get_be16(f); |
1066 |
s->y = qemu_get_be16(f); |
1067 |
s->pressure = qemu_get_byte(f); |
1068 |
|
1069 |
s->state = qemu_get_byte(f); |
1070 |
s->page = qemu_get_byte(f); |
1071 |
s->offset = qemu_get_byte(f); |
1072 |
s->command = qemu_get_byte(f); |
1073 |
|
1074 |
s->irq = qemu_get_byte(f); |
1075 |
qemu_get_be16s(f, &s->dav); |
1076 |
|
1077 |
qemu_get_timer(f, s->timer); |
1078 |
s->enabled = qemu_get_byte(f); |
1079 |
s->host_mode = qemu_get_byte(f); |
1080 |
s->function = qemu_get_byte(f); |
1081 |
s->nextfunction = qemu_get_byte(f); |
1082 |
s->precision = qemu_get_byte(f); |
1083 |
s->nextprecision = qemu_get_byte(f); |
1084 |
s->filter = qemu_get_byte(f); |
1085 |
s->pin_func = qemu_get_byte(f); |
1086 |
s->ref = qemu_get_byte(f); |
1087 |
s->timing = qemu_get_byte(f); |
1088 |
s->noise = qemu_get_be32(f); |
1089 |
|
1090 |
qemu_get_be16s(f, &s->audio_ctrl1); |
1091 |
qemu_get_be16s(f, &s->audio_ctrl2); |
1092 |
qemu_get_be16s(f, &s->audio_ctrl3); |
1093 |
qemu_get_be16s(f, &s->pll[0]);
|
1094 |
qemu_get_be16s(f, &s->pll[1]);
|
1095 |
qemu_get_be16s(f, &s->volume); |
1096 |
s->volume_change = qemu_get_sbe64(f) + now; |
1097 |
s->powerdown = qemu_get_sbe64(f) + now; |
1098 |
s->softstep = qemu_get_byte(f); |
1099 |
qemu_get_be16s(f, &s->dac_power); |
1100 |
|
1101 |
for (i = 0; i < 0x14; i ++) |
1102 |
qemu_get_be16s(f, &s->filter_data[i]); |
1103 |
|
1104 |
s->busy = qemu_timer_pending(s->timer); |
1105 |
qemu_set_irq(s->pint, !s->irq); |
1106 |
qemu_set_irq(s->davint, !s->dav); |
1107 |
|
1108 |
return 0; |
1109 |
} |
1110 |
|
1111 |
struct uwire_slave_s *tsc2102_init(qemu_irq pint, AudioState *audio)
|
1112 |
{ |
1113 |
struct tsc210x_state_s *s;
|
1114 |
|
1115 |
s = (struct tsc210x_state_s *)
|
1116 |
qemu_mallocz(sizeof(struct tsc210x_state_s)); |
1117 |
memset(s, 0, sizeof(struct tsc210x_state_s)); |
1118 |
s->x = 160;
|
1119 |
s->y = 160;
|
1120 |
s->pressure = 0;
|
1121 |
s->precision = s->nextprecision = 0;
|
1122 |
s->timer = qemu_new_timer(vm_clock, tsc210x_timer_tick, s); |
1123 |
s->pint = pint; |
1124 |
s->model = 0x2102;
|
1125 |
s->name = "tsc2102";
|
1126 |
s->audio = audio; |
1127 |
|
1128 |
s->tr[0] = 0; |
1129 |
s->tr[1] = 1; |
1130 |
s->tr[2] = 1; |
1131 |
s->tr[3] = 0; |
1132 |
s->tr[4] = 1; |
1133 |
s->tr[5] = 0; |
1134 |
s->tr[6] = 1; |
1135 |
s->tr[7] = 0; |
1136 |
|
1137 |
s->chip.opaque = s; |
1138 |
s->chip.send = (void *) tsc210x_write;
|
1139 |
s->chip.receive = (void *) tsc210x_read;
|
1140 |
|
1141 |
s->codec.opaque = s; |
1142 |
s->codec.tx_swallow = (void *) tsc210x_i2s_swallow;
|
1143 |
s->codec.set_rate = (void *) tsc210x_i2s_set_rate;
|
1144 |
s->codec.in.fifo = s->in_fifo; |
1145 |
s->codec.out.fifo = s->out_fifo; |
1146 |
|
1147 |
tsc210x_reset(s); |
1148 |
|
1149 |
qemu_add_mouse_event_handler(tsc210x_touchscreen_event, s, 1,
|
1150 |
"QEMU TSC2102-driven Touchscreen");
|
1151 |
|
1152 |
if (s->audio)
|
1153 |
AUD_register_card(s->audio, s->name, &s->card); |
1154 |
|
1155 |
qemu_register_reset((void *) tsc210x_reset, s);
|
1156 |
register_savevm(s->name, -1, 0, |
1157 |
tsc210x_save, tsc210x_load, s); |
1158 |
|
1159 |
return &s->chip;
|
1160 |
} |
1161 |
|
1162 |
struct uwire_slave_s *tsc2301_init(qemu_irq penirq, qemu_irq kbirq,
|
1163 |
qemu_irq dav, AudioState *audio) |
1164 |
{ |
1165 |
struct tsc210x_state_s *s;
|
1166 |
|
1167 |
s = (struct tsc210x_state_s *)
|
1168 |
qemu_mallocz(sizeof(struct tsc210x_state_s)); |
1169 |
memset(s, 0, sizeof(struct tsc210x_state_s)); |
1170 |
s->x = 400;
|
1171 |
s->y = 240;
|
1172 |
s->pressure = 0;
|
1173 |
s->precision = s->nextprecision = 0;
|
1174 |
s->timer = qemu_new_timer(vm_clock, tsc210x_timer_tick, s); |
1175 |
s->pint = penirq; |
1176 |
s->kbint = kbirq; |
1177 |
s->davint = dav; |
1178 |
s->model = 0x2301;
|
1179 |
s->name = "tsc2301";
|
1180 |
s->audio = audio; |
1181 |
|
1182 |
s->tr[0] = 0; |
1183 |
s->tr[1] = 1; |
1184 |
s->tr[2] = 1; |
1185 |
s->tr[3] = 0; |
1186 |
s->tr[4] = 1; |
1187 |
s->tr[5] = 0; |
1188 |
s->tr[6] = 1; |
1189 |
s->tr[7] = 0; |
1190 |
|
1191 |
s->chip.opaque = s; |
1192 |
s->chip.send = (void *) tsc210x_write;
|
1193 |
s->chip.receive = (void *) tsc210x_read;
|
1194 |
|
1195 |
s->codec.opaque = s; |
1196 |
s->codec.tx_swallow = (void *) tsc210x_i2s_swallow;
|
1197 |
s->codec.set_rate = (void *) tsc210x_i2s_set_rate;
|
1198 |
s->codec.in.fifo = s->in_fifo; |
1199 |
s->codec.out.fifo = s->out_fifo; |
1200 |
|
1201 |
tsc210x_reset(s); |
1202 |
|
1203 |
qemu_add_mouse_event_handler(tsc210x_touchscreen_event, s, 1,
|
1204 |
"QEMU TSC2301-driven Touchscreen");
|
1205 |
|
1206 |
if (s->audio)
|
1207 |
AUD_register_card(s->audio, s->name, &s->card); |
1208 |
|
1209 |
qemu_register_reset((void *) tsc210x_reset, s);
|
1210 |
register_savevm(s->name, -1, 0, tsc210x_save, tsc210x_load, s); |
1211 |
|
1212 |
return &s->chip;
|
1213 |
} |
1214 |
|
1215 |
struct i2s_codec_s *tsc210x_codec(struct uwire_slave_s *chip) |
1216 |
{ |
1217 |
struct tsc210x_state_s *s = (struct tsc210x_state_s *) chip->opaque; |
1218 |
|
1219 |
return &s->codec;
|
1220 |
} |
1221 |
|
1222 |
/*
|
1223 |
* Use tslib generated calibration data to generate ADC input values
|
1224 |
* from the touchscreen. Assuming 12-bit precision was used during
|
1225 |
* tslib calibration.
|
1226 |
*/
|
1227 |
void tsc210x_set_transform(struct uwire_slave_s *chip, |
1228 |
struct mouse_transform_info_s *info)
|
1229 |
{ |
1230 |
struct tsc210x_state_s *s = (struct tsc210x_state_s *) chip->opaque; |
1231 |
#if 0
|
1232 |
int64_t ltr[8];
|
1233 |
|
1234 |
ltr[0] = (int64_t) info->a[1] * info->y;
|
1235 |
ltr[1] = (int64_t) info->a[4] * info->x;
|
1236 |
ltr[2] = (int64_t) info->a[1] * info->a[3] -
|
1237 |
(int64_t) info->a[4] * info->a[0];
|
1238 |
ltr[3] = (int64_t) info->a[2] * info->a[4] -
|
1239 |
(int64_t) info->a[5] * info->a[1];
|
1240 |
ltr[4] = (int64_t) info->a[0] * info->y;
|
1241 |
ltr[5] = (int64_t) info->a[3] * info->x;
|
1242 |
ltr[6] = (int64_t) info->a[4] * info->a[0] -
|
1243 |
(int64_t) info->a[1] * info->a[3];
|
1244 |
ltr[7] = (int64_t) info->a[2] * info->a[3] -
|
1245 |
(int64_t) info->a[5] * info->a[0];
|
1246 |
|
1247 |
/* Avoid integer overflow */
|
1248 |
s->tr[0] = ltr[0] >> 11;
|
1249 |
s->tr[1] = ltr[1] >> 11;
|
1250 |
s->tr[2] = muldiv64(ltr[2], 1, info->a[6]);
|
1251 |
s->tr[3] = muldiv64(ltr[3], 1 << 4, ltr[2]);
|
1252 |
s->tr[4] = ltr[4] >> 11;
|
1253 |
s->tr[5] = ltr[5] >> 11;
|
1254 |
s->tr[6] = muldiv64(ltr[6], 1, info->a[6]);
|
1255 |
s->tr[7] = muldiv64(ltr[7], 1 << 4, ltr[6]);
|
1256 |
#else
|
1257 |
|
1258 |
/* This version assumes touchscreen X & Y axis are parallel or
|
1259 |
* perpendicular to LCD's X & Y axis in some way. */
|
1260 |
if (abs(info->a[0]) > abs(info->a[1])) { |
1261 |
s->tr[0] = 0; |
1262 |
s->tr[1] = -info->a[6] * info->x; |
1263 |
s->tr[2] = info->a[0]; |
1264 |
s->tr[3] = -info->a[2] / info->a[0]; |
1265 |
s->tr[4] = info->a[6] * info->y; |
1266 |
s->tr[5] = 0; |
1267 |
s->tr[6] = info->a[4]; |
1268 |
s->tr[7] = -info->a[5] / info->a[4]; |
1269 |
} else {
|
1270 |
s->tr[0] = info->a[6] * info->y; |
1271 |
s->tr[1] = 0; |
1272 |
s->tr[2] = info->a[1]; |
1273 |
s->tr[3] = -info->a[2] / info->a[1]; |
1274 |
s->tr[4] = 0; |
1275 |
s->tr[5] = -info->a[6] * info->x; |
1276 |
s->tr[6] = info->a[3]; |
1277 |
s->tr[7] = -info->a[5] / info->a[3]; |
1278 |
} |
1279 |
|
1280 |
s->tr[0] >>= 11; |
1281 |
s->tr[1] >>= 11; |
1282 |
s->tr[3] <<= 4; |
1283 |
s->tr[4] >>= 11; |
1284 |
s->tr[5] >>= 11; |
1285 |
s->tr[7] <<= 4; |
1286 |
#endif
|
1287 |
} |
1288 |
|
1289 |
void tsc210x_key_event(struct uwire_slave_s *chip, int key, int down) |
1290 |
{ |
1291 |
struct tsc210x_state_s *s = (struct tsc210x_state_s *) chip->opaque; |
1292 |
|
1293 |
if (down)
|
1294 |
s->kb.down |= 1 << key;
|
1295 |
else
|
1296 |
s->kb.down &= ~(1 << key);
|
1297 |
|
1298 |
if (down && (s->kb.down & ~s->kb.mask) && !s->kb.intr) {
|
1299 |
s->kb.intr = 1;
|
1300 |
qemu_irq_lower(s->kbint); |
1301 |
} else if (s->kb.intr && !(s->kb.down & ~s->kb.mask) && |
1302 |
!(s->kb.mode & 1)) {
|
1303 |
s->kb.intr = 0;
|
1304 |
qemu_irq_raise(s->kbint); |
1305 |
} |
1306 |
} |