2 * TI TSC2102 (touchscreen/sensors/audio controller) emulator.
3 * TI TSC2301 (touchscreen/sensors/keypad).
6 * Copyright (C) 2008 Nokia Corporation
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.
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.
18 * You should have received a copy of the GNU General Public License along
19 * with this program; if not, see <http://www.gnu.org/licenses/>.
23 #include "audio/audio.h"
24 #include "qemu/timer.h"
25 #include "ui/console.h"
26 #include "hw/arm/omap.h" /* For I2SCodec and uWireSlave */
27 #include "hw/devices.h"
29 #define TSC_DATA_REGISTERS_PAGE 0x0
30 #define TSC_CONTROL_REGISTERS_PAGE 0x1
31 #define TSC_AUDIO_REGISTERS_PAGE 0x2
35 #define TSC_CUT_RESOLUTION(value, p) ((value) >> (16 - resolution[p]))
45 uint8_t in_fifo[16384];
46 uint8_t out_fifo[16384];
52 int state, page, offset, irq;
53 uint16_t command, dav;
73 int64_t volume_change;
77 uint16_t filter_data[0x14];
80 SWVoiceIn *adc_voice[1];
81 SWVoiceOut *dac_voice[1];
97 static const int resolution[4] = { 12, 8, 10, 12 };
99 #define TSC_MODE_NO_SCAN 0x0
100 #define TSC_MODE_XY_SCAN 0x1
101 #define TSC_MODE_XYZ_SCAN 0x2
102 #define TSC_MODE_X 0x3
103 #define TSC_MODE_Y 0x4
104 #define TSC_MODE_Z 0x5
105 #define TSC_MODE_BAT1 0x6
106 #define TSC_MODE_BAT2 0x7
107 #define TSC_MODE_AUX 0x8
108 #define TSC_MODE_AUX_SCAN 0x9
109 #define TSC_MODE_TEMP1 0xa
110 #define TSC_MODE_PORT_SCAN 0xb
111 #define TSC_MODE_TEMP2 0xc
112 #define TSC_MODE_XX_DRV 0xd
113 #define TSC_MODE_YY_DRV 0xe
114 #define TSC_MODE_YX_DRV 0xf
116 static const uint16_t mode_regs[16] = {
117 0x0000, /* No scan */
118 0x0600, /* X, Y scan */
119 0x0780, /* X, Y, Z scan */
126 0x0010, /* AUX scan */
128 0x0070, /* Port scan */
130 0x0000, /* X+, X- drivers */
131 0x0000, /* Y+, Y- drivers */
132 0x0000, /* Y+, X- drivers */
135 #define X_TRANSFORM(s) \
136 ((s->y * s->tr[0] - s->x * s->tr[1]) / s->tr[2] + s->tr[3])
137 #define Y_TRANSFORM(s) \
138 ((s->y * s->tr[4] - s->x * s->tr[5]) / s->tr[6] + s->tr[7])
139 #define Z1_TRANSFORM(s) \
140 ((400 - ((s)->x >> 7) + ((s)->pressure << 10)) << 4)
141 #define Z2_TRANSFORM(s) \
142 ((4000 + ((s)->y >> 7) - ((s)->pressure << 10)) << 4)
144 #define BAT1_VAL 0x8660
145 #define BAT2_VAL 0x0000
146 #define AUX1_VAL 0x35c0
147 #define AUX2_VAL 0xffff
148 #define TEMP1_VAL 0x8c70
149 #define TEMP2_VAL 0xa5b0
151 #define TSC_POWEROFF_DELAY 50
152 #define TSC_SOFTSTEP_DELAY 50
154 static void tsc210x_reset(TSC210xState *s)
166 s->audio_ctrl1 = 0x0000;
167 s->audio_ctrl2 = 0x4410;
168 s->audio_ctrl3 = 0x0000;
173 s->dac_power = 0x8540;
175 s->volume_change = 0;
177 s->filter_data[0x00] = 0x6be3;
178 s->filter_data[0x01] = 0x9666;
179 s->filter_data[0x02] = 0x675d;
180 s->filter_data[0x03] = 0x6be3;
181 s->filter_data[0x04] = 0x9666;
182 s->filter_data[0x05] = 0x675d;
183 s->filter_data[0x06] = 0x7d83;
184 s->filter_data[0x07] = 0x84ee;
185 s->filter_data[0x08] = 0x7d83;
186 s->filter_data[0x09] = 0x84ee;
187 s->filter_data[0x0a] = 0x6be3;
188 s->filter_data[0x0b] = 0x9666;
189 s->filter_data[0x0c] = 0x675d;
190 s->filter_data[0x0d] = 0x6be3;
191 s->filter_data[0x0e] = 0x9666;
192 s->filter_data[0x0f] = 0x675d;
193 s->filter_data[0x10] = 0x7d83;
194 s->filter_data[0x11] = 0x84ee;
195 s->filter_data[0x12] = 0x7d83;
196 s->filter_data[0x13] = 0x84ee;
207 qemu_set_irq(s->pint, !s->irq);
208 qemu_set_irq(s->davint, !s->dav);
209 qemu_irq_raise(s->kbint);
218 /* { rate, dsor, fsref } */
219 static const TSC210xRateInfo tsc2102_rates[] = {
248 static inline void tsc210x_out_flush(TSC210xState *s, int len)
250 uint8_t *data = s->codec.out.fifo + s->codec.out.start;
251 uint8_t *end = data + len;
254 data += AUD_write(s->dac_voice[0], data, end - data) ?: (end - data);
256 s->codec.out.len -= len;
257 if (s->codec.out.len)
258 memmove(s->codec.out.fifo, end, s->codec.out.len);
259 s->codec.out.start = 0;
262 static void tsc210x_audio_out_cb(TSC210xState *s, int free_b)
264 if (s->codec.out.len >= free_b) {
265 tsc210x_out_flush(s, free_b);
269 s->codec.out.size = MIN(free_b, 16384);
270 qemu_irq_raise(s->codec.tx_start);
273 static void tsc2102_audio_rate_update(TSC210xState *s)
275 const TSC210xRateInfo *rate;
277 s->codec.tx_rate = 0;
278 s->codec.rx_rate = 0;
279 if (s->dac_power & (1 << 15)) /* PWDNC */
282 for (rate = tsc2102_rates; rate->rate; rate ++)
283 if (rate->dsor == (s->audio_ctrl1 & 0x3f) && /* DACFS */
284 rate->fsref == ((s->audio_ctrl3 >> 13) & 1))/* REFFS */
287 printf("%s: unknown sampling rate configured\n", __FUNCTION__);
291 s->codec.tx_rate = rate->rate;
294 static void tsc2102_audio_output_update(TSC210xState *s)
297 struct audsettings fmt;
299 if (s->dac_voice[0]) {
300 tsc210x_out_flush(s, s->codec.out.len);
301 s->codec.out.size = 0;
302 AUD_set_active_out(s->dac_voice[0], 0);
303 AUD_close_out(&s->card, s->dac_voice[0]);
304 s->dac_voice[0] = NULL;
309 (~s->dac_power & (1 << 15)) && /* PWDNC */
310 (~s->dac_power & (1 << 10)); /* DAPWDN */
311 if (!enable || !s->codec.tx_rate)
314 /* Force our own sampling rate even in slave DAC mode */
317 fmt.freq = s->codec.tx_rate;
318 fmt.fmt = AUD_FMT_S16;
320 s->dac_voice[0] = AUD_open_out(&s->card, s->dac_voice[0],
321 "tsc2102.sink", s, (void *) tsc210x_audio_out_cb, &fmt);
322 if (s->dac_voice[0]) {
324 AUD_set_active_out(s->dac_voice[0], 1);
328 static uint16_t tsc2102_data_register_read(TSC210xState *s, int reg)
333 return TSC_CUT_RESOLUTION(X_TRANSFORM(s), s->precision) +
339 return TSC_CUT_RESOLUTION(Y_TRANSFORM(s), s->precision) ^
344 return TSC_CUT_RESOLUTION(Z1_TRANSFORM(s), s->precision) -
349 return TSC_CUT_RESOLUTION(Z2_TRANSFORM(s), s->precision) |
352 case 0x04: /* KPData */
353 if ((s->model & 0xff00) == 0x2300) {
354 if (s->kb.intr && (s->kb.mode & 2)) {
356 qemu_irq_raise(s->kbint);
363 case 0x05: /* BAT1 */
365 return TSC_CUT_RESOLUTION(BAT1_VAL, s->precision) +
368 case 0x06: /* BAT2 */
370 return TSC_CUT_RESOLUTION(BAT2_VAL, s->precision);
372 case 0x07: /* AUX1 */
374 return TSC_CUT_RESOLUTION(AUX1_VAL, s->precision);
376 case 0x08: /* AUX2 */
380 case 0x09: /* TEMP1 */
382 return TSC_CUT_RESOLUTION(TEMP1_VAL, s->precision) -
385 case 0x0a: /* TEMP2 */
387 return TSC_CUT_RESOLUTION(TEMP2_VAL, s->precision) ^
396 fprintf(stderr, "tsc2102_data_register_read: "
397 "no such register: 0x%02x\n", reg);
403 static uint16_t tsc2102_control_register_read(
404 TSC210xState *s, int reg)
407 case 0x00: /* TSC ADC */
408 return (s->pressure << 15) | ((!s->busy) << 14) |
409 (s->nextfunction << 10) | (s->nextprecision << 8) | s->filter;
411 case 0x01: /* Status / Keypad Control */
412 if ((s->model & 0xff00) == 0x2100)
413 return (s->pin_func << 14) | ((!s->enabled) << 13) |
414 (s->host_mode << 12) | ((!!s->dav) << 11) | s->dav;
416 return (s->kb.intr << 15) | ((s->kb.scan || !s->kb.down) << 14) |
417 (s->kb.debounce << 11);
419 case 0x02: /* DAC Control */
420 if ((s->model & 0xff00) == 0x2300)
421 return s->dac_power & 0x8000;
425 case 0x03: /* Reference */
428 case 0x04: /* Reset */
431 case 0x05: /* Configuration */
434 case 0x06: /* Secondary configuration */
435 if ((s->model & 0xff00) == 0x2100)
437 return ((!s->dav) << 15) | ((s->kb.mode & 1) << 14) | s->pll[2];
439 case 0x10: /* Keypad Mask */
440 if ((s->model & 0xff00) == 0x2100)
447 fprintf(stderr, "tsc2102_control_register_read: "
448 "no such register: 0x%02x\n", reg);
454 static uint16_t tsc2102_audio_register_read(TSC210xState *s, int reg)
460 case 0x00: /* Audio Control 1 */
461 return s->audio_ctrl1;
466 case 0x02: /* DAC Volume Control */
472 case 0x04: /* Audio Control 2 */
475 if (s->softstep && !(s->dac_power & (1 << 10))) {
476 l_ch = (qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) >
477 s->volume_change + TSC_SOFTSTEP_DELAY);
478 r_ch = (qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) >
479 s->volume_change + TSC_SOFTSTEP_DELAY);
482 return s->audio_ctrl2 | (l_ch << 3) | (r_ch << 2);
484 case 0x05: /* Stereo DAC Power Control */
485 return 0x2aa0 | s->dac_power |
486 (((s->dac_power & (1 << 10)) &&
487 (qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) >
488 s->powerdown + TSC_POWEROFF_DELAY)) << 6);
490 case 0x06: /* Audio Control 3 */
491 val = s->audio_ctrl3 | 0x0001;
492 s->audio_ctrl3 &= 0xff3f;
495 case 0x07: /* LCH_BASS_BOOST_N0 */
496 case 0x08: /* LCH_BASS_BOOST_N1 */
497 case 0x09: /* LCH_BASS_BOOST_N2 */
498 case 0x0a: /* LCH_BASS_BOOST_N3 */
499 case 0x0b: /* LCH_BASS_BOOST_N4 */
500 case 0x0c: /* LCH_BASS_BOOST_N5 */
501 case 0x0d: /* LCH_BASS_BOOST_D1 */
502 case 0x0e: /* LCH_BASS_BOOST_D2 */
503 case 0x0f: /* LCH_BASS_BOOST_D4 */
504 case 0x10: /* LCH_BASS_BOOST_D5 */
505 case 0x11: /* RCH_BASS_BOOST_N0 */
506 case 0x12: /* RCH_BASS_BOOST_N1 */
507 case 0x13: /* RCH_BASS_BOOST_N2 */
508 case 0x14: /* RCH_BASS_BOOST_N3 */
509 case 0x15: /* RCH_BASS_BOOST_N4 */
510 case 0x16: /* RCH_BASS_BOOST_N5 */
511 case 0x17: /* RCH_BASS_BOOST_D1 */
512 case 0x18: /* RCH_BASS_BOOST_D2 */
513 case 0x19: /* RCH_BASS_BOOST_D4 */
514 case 0x1a: /* RCH_BASS_BOOST_D5 */
515 return s->filter_data[reg - 0x07];
517 case 0x1b: /* PLL Programmability 1 */
520 case 0x1c: /* PLL Programmability 2 */
523 case 0x1d: /* Audio Control 4 */
524 return (!s->softstep) << 14;
528 fprintf(stderr, "tsc2102_audio_register_read: "
529 "no such register: 0x%02x\n", reg);
535 static void tsc2102_data_register_write(
536 TSC210xState *s, int reg, uint16_t value)
543 case 0x05: /* BAT1 */
544 case 0x06: /* BAT2 */
545 case 0x07: /* AUX1 */
546 case 0x08: /* AUX2 */
547 case 0x09: /* TEMP1 */
548 case 0x0a: /* TEMP2 */
553 fprintf(stderr, "tsc2102_data_register_write: "
554 "no such register: 0x%02x\n", reg);
559 static void tsc2102_control_register_write(
560 TSC210xState *s, int reg, uint16_t value)
563 case 0x00: /* TSC ADC */
564 s->host_mode = value >> 15;
565 s->enabled = !(value & 0x4000);
566 if (s->busy && !s->enabled)
568 s->busy &= s->enabled;
569 s->nextfunction = (value >> 10) & 0xf;
570 s->nextprecision = (value >> 8) & 3;
571 s->filter = value & 0xff;
574 case 0x01: /* Status / Keypad Control */
575 if ((s->model & 0xff00) == 0x2100)
576 s->pin_func = value >> 14;
578 s->kb.scan = (value >> 14) & 1;
579 s->kb.debounce = (value >> 11) & 7;
580 if (s->kb.intr && s->kb.scan) {
582 qemu_irq_raise(s->kbint);
587 case 0x02: /* DAC Control */
588 if ((s->model & 0xff00) == 0x2300) {
589 s->dac_power &= 0x7fff;
590 s->dac_power |= 0x8000 & value;
595 case 0x03: /* Reference */
596 s->ref = value & 0x1f;
599 case 0x04: /* Reset */
600 if (value == 0xbb00) {
606 fprintf(stderr, "tsc2102_control_register_write: "
607 "wrong value written into RESET\n");
612 case 0x05: /* Configuration */
613 s->timing = value & 0x3f;
616 fprintf(stderr, "tsc2102_control_register_write: "
617 "wrong value written into CONFIG\n");
621 case 0x06: /* Secondary configuration */
622 if ((s->model & 0xff00) == 0x2100)
624 s->kb.mode = value >> 14;
625 s->pll[2] = value & 0x3ffff;
628 case 0x10: /* Keypad Mask */
629 if ((s->model & 0xff00) == 0x2100)
637 fprintf(stderr, "tsc2102_control_register_write: "
638 "no such register: 0x%02x\n", reg);
643 static void tsc2102_audio_register_write(
644 TSC210xState *s, int reg, uint16_t value)
647 case 0x00: /* Audio Control 1 */
648 s->audio_ctrl1 = value & 0x0f3f;
650 if ((value & ~0x0f3f) || ((value & 7) != ((value >> 3) & 7)))
651 fprintf(stderr, "tsc2102_audio_register_write: "
652 "wrong value written into Audio 1\n");
654 tsc2102_audio_rate_update(s);
655 tsc2102_audio_output_update(s);
661 fprintf(stderr, "tsc2102_audio_register_write: "
662 "wrong value written into reg 0x01\n");
666 case 0x02: /* DAC Volume Control */
668 s->volume_change = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
674 fprintf(stderr, "tsc2102_audio_register_write: "
675 "wrong value written into reg 0x03\n");
679 case 0x04: /* Audio Control 2 */
680 s->audio_ctrl2 = value & 0xf7f2;
683 fprintf(stderr, "tsc2102_audio_register_write: "
684 "wrong value written into Audio 2\n");
688 case 0x05: /* Stereo DAC Power Control */
689 if ((value & ~s->dac_power) & (1 << 10))
690 s->powerdown = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
692 s->dac_power = value & 0x9543;
694 if ((value & ~0x9543) != 0x2aa0)
695 fprintf(stderr, "tsc2102_audio_register_write: "
696 "wrong value written into Power\n");
698 tsc2102_audio_rate_update(s);
699 tsc2102_audio_output_update(s);
702 case 0x06: /* Audio Control 3 */
703 s->audio_ctrl3 &= 0x00c0;
704 s->audio_ctrl3 |= value & 0xf800;
707 fprintf(stderr, "tsc2102_audio_register_write: "
708 "wrong value written into Audio 3\n");
710 tsc2102_audio_output_update(s);
713 case 0x07: /* LCH_BASS_BOOST_N0 */
714 case 0x08: /* LCH_BASS_BOOST_N1 */
715 case 0x09: /* LCH_BASS_BOOST_N2 */
716 case 0x0a: /* LCH_BASS_BOOST_N3 */
717 case 0x0b: /* LCH_BASS_BOOST_N4 */
718 case 0x0c: /* LCH_BASS_BOOST_N5 */
719 case 0x0d: /* LCH_BASS_BOOST_D1 */
720 case 0x0e: /* LCH_BASS_BOOST_D2 */
721 case 0x0f: /* LCH_BASS_BOOST_D4 */
722 case 0x10: /* LCH_BASS_BOOST_D5 */
723 case 0x11: /* RCH_BASS_BOOST_N0 */
724 case 0x12: /* RCH_BASS_BOOST_N1 */
725 case 0x13: /* RCH_BASS_BOOST_N2 */
726 case 0x14: /* RCH_BASS_BOOST_N3 */
727 case 0x15: /* RCH_BASS_BOOST_N4 */
728 case 0x16: /* RCH_BASS_BOOST_N5 */
729 case 0x17: /* RCH_BASS_BOOST_D1 */
730 case 0x18: /* RCH_BASS_BOOST_D2 */
731 case 0x19: /* RCH_BASS_BOOST_D4 */
732 case 0x1a: /* RCH_BASS_BOOST_D5 */
733 s->filter_data[reg - 0x07] = value;
736 case 0x1b: /* PLL Programmability 1 */
737 s->pll[0] = value & 0xfffc;
740 fprintf(stderr, "tsc2102_audio_register_write: "
741 "wrong value written into PLL 1\n");
745 case 0x1c: /* PLL Programmability 2 */
746 s->pll[1] = value & 0xfffc;
749 fprintf(stderr, "tsc2102_audio_register_write: "
750 "wrong value written into PLL 2\n");
754 case 0x1d: /* Audio Control 4 */
755 s->softstep = !(value & 0x4000);
758 fprintf(stderr, "tsc2102_audio_register_write: "
759 "wrong value written into Audio 4\n");
765 fprintf(stderr, "tsc2102_audio_register_write: "
766 "no such register: 0x%02x\n", reg);
771 /* This handles most of the chip logic. */
772 static void tsc210x_pin_update(TSC210xState *s)
777 switch (s->pin_func) {
779 pin_state = s->pressure;
782 pin_state = !!s->dav;
786 pin_state = s->pressure && !s->dav;
792 if (pin_state != s->irq) {
794 qemu_set_irq(s->pint, !s->irq);
797 switch (s->nextfunction) {
798 case TSC_MODE_XY_SCAN:
799 case TSC_MODE_XYZ_SCAN:
819 case TSC_MODE_AUX_SCAN:
820 case TSC_MODE_PORT_SCAN:
823 case TSC_MODE_NO_SCAN:
824 case TSC_MODE_XX_DRV:
825 case TSC_MODE_YY_DRV:
826 case TSC_MODE_YX_DRV:
831 if (!s->enabled || s->busy || s->dav)
835 s->precision = s->nextprecision;
836 s->function = s->nextfunction;
837 expires = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + (get_ticks_per_sec() >> 10);
838 timer_mod(s->timer, expires);
841 static uint16_t tsc210x_read(TSC210xState *s)
843 uint16_t ret = 0x0000;
846 fprintf(stderr, "tsc210x_read: SPI underrun!\n");
849 case TSC_DATA_REGISTERS_PAGE:
850 ret = tsc2102_data_register_read(s, s->offset);
852 qemu_irq_raise(s->davint);
854 case TSC_CONTROL_REGISTERS_PAGE:
855 ret = tsc2102_control_register_read(s, s->offset);
857 case TSC_AUDIO_REGISTERS_PAGE:
858 ret = tsc2102_audio_register_read(s, s->offset);
861 hw_error("tsc210x_read: wrong memory page\n");
864 tsc210x_pin_update(s);
866 /* Allow sequential reads. */
872 static void tsc210x_write(TSC210xState *s, uint16_t value)
875 * This is a two-state state machine for reading
876 * command and data every second time.
879 s->command = value >> 15;
880 s->page = (value >> 11) & 0x0f;
881 s->offset = (value >> 5) & 0x3f;
885 fprintf(stderr, "tsc210x_write: SPI overrun!\n");
888 case TSC_DATA_REGISTERS_PAGE:
889 tsc2102_data_register_write(s, s->offset, value);
891 case TSC_CONTROL_REGISTERS_PAGE:
892 tsc2102_control_register_write(s, s->offset, value);
894 case TSC_AUDIO_REGISTERS_PAGE:
895 tsc2102_audio_register_write(s, s->offset, value);
898 hw_error("tsc210x_write: wrong memory page\n");
901 tsc210x_pin_update(s);
906 uint32_t tsc210x_txrx(void *opaque, uint32_t value, int len)
908 TSC210xState *s = opaque;
912 hw_error("%s: FIXME: bad SPI word width %i\n", __FUNCTION__, len);
914 /* TODO: sequential reads etc - how do we make sure the host doesn't
915 * unintentionally read out a conversion result from a register while
916 * transmitting the command word of the next command? */
917 if (!value || (s->state && s->command))
918 ret = tsc210x_read(s);
919 if (value || (s->state && !s->command))
920 tsc210x_write(s, value);
925 static void tsc210x_timer_tick(void *opaque)
927 TSC210xState *s = opaque;
929 /* Timer ticked -- a set of conversions has been finished. */
935 s->dav |= mode_regs[s->function];
936 tsc210x_pin_update(s);
937 qemu_irq_lower(s->davint);
940 static void tsc210x_touchscreen_event(void *opaque,
941 int x, int y, int z, int buttons_state)
943 TSC210xState *s = opaque;
950 s->pressure = !!buttons_state;
953 * Note: We would get better responsiveness in the guest by
954 * signaling TS events immediately, but for now we simulate
955 * the first conversion delay for sake of correctness.
957 if (p != s->pressure)
958 tsc210x_pin_update(s);
961 static void tsc210x_i2s_swallow(TSC210xState *s)
964 tsc210x_out_flush(s, s->codec.out.len);
966 s->codec.out.len = 0;
969 static void tsc210x_i2s_set_rate(TSC210xState *s, int in, int out)
971 s->i2s_tx_rate = out;
975 static void tsc210x_save(QEMUFile *f, void *opaque)
977 TSC210xState *s = (TSC210xState *) opaque;
978 int64_t now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
981 qemu_put_be16(f, s->x);
982 qemu_put_be16(f, s->y);
983 qemu_put_byte(f, s->pressure);
985 qemu_put_byte(f, s->state);
986 qemu_put_byte(f, s->page);
987 qemu_put_byte(f, s->offset);
988 qemu_put_byte(f, s->command);
990 qemu_put_byte(f, s->irq);
991 qemu_put_be16s(f, &s->dav);
993 timer_put(f, s->timer);
994 qemu_put_byte(f, s->enabled);
995 qemu_put_byte(f, s->host_mode);
996 qemu_put_byte(f, s->function);
997 qemu_put_byte(f, s->nextfunction);
998 qemu_put_byte(f, s->precision);
999 qemu_put_byte(f, s->nextprecision);
1000 qemu_put_byte(f, s->filter);
1001 qemu_put_byte(f, s->pin_func);
1002 qemu_put_byte(f, s->ref);
1003 qemu_put_byte(f, s->timing);
1004 qemu_put_be32(f, s->noise);
1006 qemu_put_be16s(f, &s->audio_ctrl1);
1007 qemu_put_be16s(f, &s->audio_ctrl2);
1008 qemu_put_be16s(f, &s->audio_ctrl3);
1009 qemu_put_be16s(f, &s->pll[0]);
1010 qemu_put_be16s(f, &s->pll[1]);
1011 qemu_put_be16s(f, &s->volume);
1012 qemu_put_sbe64(f, (s->volume_change - now));
1013 qemu_put_sbe64(f, (s->powerdown - now));
1014 qemu_put_byte(f, s->softstep);
1015 qemu_put_be16s(f, &s->dac_power);
1017 for (i = 0; i < 0x14; i ++)
1018 qemu_put_be16s(f, &s->filter_data[i]);
1021 static int tsc210x_load(QEMUFile *f, void *opaque, int version_id)
1023 TSC210xState *s = (TSC210xState *) opaque;
1024 int64_t now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
1027 s->x = qemu_get_be16(f);
1028 s->y = qemu_get_be16(f);
1029 s->pressure = qemu_get_byte(f);
1031 s->state = qemu_get_byte(f);
1032 s->page = qemu_get_byte(f);
1033 s->offset = qemu_get_byte(f);
1034 s->command = qemu_get_byte(f);
1036 s->irq = qemu_get_byte(f);
1037 qemu_get_be16s(f, &s->dav);
1039 timer_get(f, s->timer);
1040 s->enabled = qemu_get_byte(f);
1041 s->host_mode = qemu_get_byte(f);
1042 s->function = qemu_get_byte(f);
1043 if (s->function < 0 || s->function >= ARRAY_SIZE(mode_regs)) {
1046 s->nextfunction = qemu_get_byte(f);
1047 if (s->nextfunction < 0 || s->nextfunction >= ARRAY_SIZE(mode_regs)) {
1050 s->precision = qemu_get_byte(f);
1051 if (s->precision < 0 || s->precision >= ARRAY_SIZE(resolution)) {
1054 s->nextprecision = qemu_get_byte(f);
1055 if (s->nextprecision < 0 || s->nextprecision >= ARRAY_SIZE(resolution)) {
1058 s->filter = qemu_get_byte(f);
1059 s->pin_func = qemu_get_byte(f);
1060 s->ref = qemu_get_byte(f);
1061 s->timing = qemu_get_byte(f);
1062 s->noise = qemu_get_be32(f);
1064 qemu_get_be16s(f, &s->audio_ctrl1);
1065 qemu_get_be16s(f, &s->audio_ctrl2);
1066 qemu_get_be16s(f, &s->audio_ctrl3);
1067 qemu_get_be16s(f, &s->pll[0]);
1068 qemu_get_be16s(f, &s->pll[1]);
1069 qemu_get_be16s(f, &s->volume);
1070 s->volume_change = qemu_get_sbe64(f) + now;
1071 s->powerdown = qemu_get_sbe64(f) + now;
1072 s->softstep = qemu_get_byte(f);
1073 qemu_get_be16s(f, &s->dac_power);
1075 for (i = 0; i < 0x14; i ++)
1076 qemu_get_be16s(f, &s->filter_data[i]);
1078 s->busy = timer_pending(s->timer);
1079 qemu_set_irq(s->pint, !s->irq);
1080 qemu_set_irq(s->davint, !s->dav);
1085 uWireSlave *tsc2102_init(qemu_irq pint)
1089 s = (TSC210xState *)
1090 g_malloc0(sizeof(TSC210xState));
1091 memset(s, 0, sizeof(TSC210xState));
1095 s->precision = s->nextprecision = 0;
1096 s->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, tsc210x_timer_tick, s);
1099 s->name = "tsc2102";
1111 s->chip.send = (void *) tsc210x_write;
1112 s->chip.receive = (void *) tsc210x_read;
1114 s->codec.opaque = s;
1115 s->codec.tx_swallow = (void *) tsc210x_i2s_swallow;
1116 s->codec.set_rate = (void *) tsc210x_i2s_set_rate;
1117 s->codec.in.fifo = s->in_fifo;
1118 s->codec.out.fifo = s->out_fifo;
1122 qemu_add_mouse_event_handler(tsc210x_touchscreen_event, s, 1,
1123 "QEMU TSC2102-driven Touchscreen");
1125 AUD_register_card(s->name, &s->card);
1127 qemu_register_reset((void *) tsc210x_reset, s);
1128 register_savevm(NULL, s->name, -1, 0,
1129 tsc210x_save, tsc210x_load, s);
1134 uWireSlave *tsc2301_init(qemu_irq penirq, qemu_irq kbirq, qemu_irq dav)
1138 s = (TSC210xState *)
1139 g_malloc0(sizeof(TSC210xState));
1140 memset(s, 0, sizeof(TSC210xState));
1144 s->precision = s->nextprecision = 0;
1145 s->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, tsc210x_timer_tick, s);
1150 s->name = "tsc2301";
1162 s->chip.send = (void *) tsc210x_write;
1163 s->chip.receive = (void *) tsc210x_read;
1165 s->codec.opaque = s;
1166 s->codec.tx_swallow = (void *) tsc210x_i2s_swallow;
1167 s->codec.set_rate = (void *) tsc210x_i2s_set_rate;
1168 s->codec.in.fifo = s->in_fifo;
1169 s->codec.out.fifo = s->out_fifo;
1173 qemu_add_mouse_event_handler(tsc210x_touchscreen_event, s, 1,
1174 "QEMU TSC2301-driven Touchscreen");
1176 AUD_register_card(s->name, &s->card);
1178 qemu_register_reset((void *) tsc210x_reset, s);
1179 register_savevm(NULL, s->name, -1, 0, tsc210x_save, tsc210x_load, s);
1184 I2SCodec *tsc210x_codec(uWireSlave *chip)
1186 TSC210xState *s = (TSC210xState *) chip->opaque;
1192 * Use tslib generated calibration data to generate ADC input values
1193 * from the touchscreen. Assuming 12-bit precision was used during
1194 * tslib calibration.
1196 void tsc210x_set_transform(uWireSlave *chip,
1197 MouseTransformInfo *info)
1199 TSC210xState *s = (TSC210xState *) chip->opaque;
1203 ltr[0] = (int64_t) info->a[1] * info->y;
1204 ltr[1] = (int64_t) info->a[4] * info->x;
1205 ltr[2] = (int64_t) info->a[1] * info->a[3] -
1206 (int64_t) info->a[4] * info->a[0];
1207 ltr[3] = (int64_t) info->a[2] * info->a[4] -
1208 (int64_t) info->a[5] * info->a[1];
1209 ltr[4] = (int64_t) info->a[0] * info->y;
1210 ltr[5] = (int64_t) info->a[3] * info->x;
1211 ltr[6] = (int64_t) info->a[4] * info->a[0] -
1212 (int64_t) info->a[1] * info->a[3];
1213 ltr[7] = (int64_t) info->a[2] * info->a[3] -
1214 (int64_t) info->a[5] * info->a[0];
1216 /* Avoid integer overflow */
1217 s->tr[0] = ltr[0] >> 11;
1218 s->tr[1] = ltr[1] >> 11;
1219 s->tr[2] = muldiv64(ltr[2], 1, info->a[6]);
1220 s->tr[3] = muldiv64(ltr[3], 1 << 4, ltr[2]);
1221 s->tr[4] = ltr[4] >> 11;
1222 s->tr[5] = ltr[5] >> 11;
1223 s->tr[6] = muldiv64(ltr[6], 1, info->a[6]);
1224 s->tr[7] = muldiv64(ltr[7], 1 << 4, ltr[6]);
1227 /* This version assumes touchscreen X & Y axis are parallel or
1228 * perpendicular to LCD's X & Y axis in some way. */
1229 if (abs(info->a[0]) > abs(info->a[1])) {
1231 s->tr[1] = -info->a[6] * info->x;
1232 s->tr[2] = info->a[0];
1233 s->tr[3] = -info->a[2] / info->a[0];
1234 s->tr[4] = info->a[6] * info->y;
1236 s->tr[6] = info->a[4];
1237 s->tr[7] = -info->a[5] / info->a[4];
1239 s->tr[0] = info->a[6] * info->y;
1241 s->tr[2] = info->a[1];
1242 s->tr[3] = -info->a[2] / info->a[1];
1244 s->tr[5] = -info->a[6] * info->x;
1245 s->tr[6] = info->a[3];
1246 s->tr[7] = -info->a[5] / info->a[3];
1258 void tsc210x_key_event(uWireSlave *chip, int key, int down)
1260 TSC210xState *s = (TSC210xState *) chip->opaque;
1263 s->kb.down |= 1 << key;
1265 s->kb.down &= ~(1 << key);
1267 if (down && (s->kb.down & ~s->kb.mask) && !s->kb.intr) {
1269 qemu_irq_lower(s->kbint);
1270 } else if (s->kb.intr && !(s->kb.down & ~s->kb.mask) &&
1271 !(s->kb.mode & 1)) {
1273 qemu_irq_raise(s->kbint);