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 tsc2101_rates[] = {
248 /* { rate, dsor, fsref } */
249 static const TSC210xRateInfo tsc2102_rates[] = {
278 static inline void tsc210x_out_flush(TSC210xState *s, int len)
280 uint8_t *data = s->codec.out.fifo + s->codec.out.start;
281 uint8_t *end = data + len;
284 data += AUD_write(s->dac_voice[0], data, end - data) ?: (end - data);
286 s->codec.out.len -= len;
287 if (s->codec.out.len)
288 memmove(s->codec.out.fifo, end, s->codec.out.len);
289 s->codec.out.start = 0;
292 static void tsc210x_audio_out_cb(TSC210xState *s, int free_b)
294 if (s->codec.out.len >= free_b) {
295 tsc210x_out_flush(s, free_b);
299 s->codec.out.size = MIN(free_b, 16384);
300 qemu_irq_raise(s->codec.tx_start);
303 static void tsc2102_audio_rate_update(TSC210xState *s)
305 const TSC210xRateInfo *rate;
307 s->codec.tx_rate = 0;
308 s->codec.rx_rate = 0;
309 if (s->dac_power & (1 << 15)) /* PWDNC */
312 for (rate = tsc2102_rates; rate->rate; rate ++)
313 if (rate->dsor == (s->audio_ctrl1 & 0x3f) && /* DACFS */
314 rate->fsref == ((s->audio_ctrl3 >> 13) & 1))/* REFFS */
317 printf("%s: unknown sampling rate configured\n", __FUNCTION__);
321 s->codec.tx_rate = rate->rate;
324 static void tsc2102_audio_output_update(TSC210xState *s)
327 struct audsettings fmt;
329 if (s->dac_voice[0]) {
330 tsc210x_out_flush(s, s->codec.out.len);
331 s->codec.out.size = 0;
332 AUD_set_active_out(s->dac_voice[0], 0);
333 AUD_close_out(&s->card, s->dac_voice[0]);
334 s->dac_voice[0] = NULL;
339 (~s->dac_power & (1 << 15)) && /* PWDNC */
340 (~s->dac_power & (1 << 10)); /* DAPWDN */
341 if (!enable || !s->codec.tx_rate)
344 /* Force our own sampling rate even in slave DAC mode */
347 fmt.freq = s->codec.tx_rate;
348 fmt.fmt = AUD_FMT_S16;
350 s->dac_voice[0] = AUD_open_out(&s->card, s->dac_voice[0],
351 "tsc2102.sink", s, (void *) tsc210x_audio_out_cb, &fmt);
352 if (s->dac_voice[0]) {
354 AUD_set_active_out(s->dac_voice[0], 1);
358 static uint16_t tsc2102_data_register_read(TSC210xState *s, int reg)
363 return TSC_CUT_RESOLUTION(X_TRANSFORM(s), s->precision) +
369 return TSC_CUT_RESOLUTION(Y_TRANSFORM(s), s->precision) ^
374 return TSC_CUT_RESOLUTION(Z1_TRANSFORM(s), s->precision) -
379 return TSC_CUT_RESOLUTION(Z2_TRANSFORM(s), s->precision) |
382 case 0x04: /* KPData */
383 if ((s->model & 0xff00) == 0x2300) {
384 if (s->kb.intr && (s->kb.mode & 2)) {
386 qemu_irq_raise(s->kbint);
393 case 0x05: /* BAT1 */
395 return TSC_CUT_RESOLUTION(BAT1_VAL, s->precision) +
398 case 0x06: /* BAT2 */
400 return TSC_CUT_RESOLUTION(BAT2_VAL, s->precision);
402 case 0x07: /* AUX1 */
404 return TSC_CUT_RESOLUTION(AUX1_VAL, s->precision);
406 case 0x08: /* AUX2 */
410 case 0x09: /* TEMP1 */
412 return TSC_CUT_RESOLUTION(TEMP1_VAL, s->precision) -
415 case 0x0a: /* TEMP2 */
417 return TSC_CUT_RESOLUTION(TEMP2_VAL, s->precision) ^
426 fprintf(stderr, "tsc2102_data_register_read: "
427 "no such register: 0x%02x\n", reg);
433 static uint16_t tsc2102_control_register_read(
434 TSC210xState *s, int reg)
437 case 0x00: /* TSC ADC */
438 return (s->pressure << 15) | ((!s->busy) << 14) |
439 (s->nextfunction << 10) | (s->nextprecision << 8) | s->filter;
441 case 0x01: /* Status / Keypad Control */
442 if ((s->model & 0xff00) == 0x2100)
443 return (s->pin_func << 14) | ((!s->enabled) << 13) |
444 (s->host_mode << 12) | ((!!s->dav) << 11) | s->dav;
446 return (s->kb.intr << 15) | ((s->kb.scan || !s->kb.down) << 14) |
447 (s->kb.debounce << 11);
449 case 0x02: /* DAC Control */
450 if ((s->model & 0xff00) == 0x2300)
451 return s->dac_power & 0x8000;
455 case 0x03: /* Reference */
458 case 0x04: /* Reset */
461 case 0x05: /* Configuration */
464 case 0x06: /* Secondary configuration */
465 if ((s->model & 0xff00) == 0x2100)
467 return ((!s->dav) << 15) | ((s->kb.mode & 1) << 14) | s->pll[2];
469 case 0x10: /* Keypad Mask */
470 if ((s->model & 0xff00) == 0x2100)
477 fprintf(stderr, "tsc2102_control_register_read: "
478 "no such register: 0x%02x\n", reg);
484 static uint16_t tsc2102_audio_register_read(TSC210xState *s, int reg)
490 case 0x00: /* Audio Control 1 */
491 return s->audio_ctrl1;
496 case 0x02: /* DAC Volume Control */
502 case 0x04: /* Audio Control 2 */
505 if (s->softstep && !(s->dac_power & (1 << 10))) {
506 l_ch = (qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) >
507 s->volume_change + TSC_SOFTSTEP_DELAY);
508 r_ch = (qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) >
509 s->volume_change + TSC_SOFTSTEP_DELAY);
512 return s->audio_ctrl2 | (l_ch << 3) | (r_ch << 2);
514 case 0x05: /* Stereo DAC Power Control */
515 return 0x2aa0 | s->dac_power |
516 (((s->dac_power & (1 << 10)) &&
517 (qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) >
518 s->powerdown + TSC_POWEROFF_DELAY)) << 6);
520 case 0x06: /* Audio Control 3 */
521 val = s->audio_ctrl3 | 0x0001;
522 s->audio_ctrl3 &= 0xff3f;
525 case 0x07: /* LCH_BASS_BOOST_N0 */
526 case 0x08: /* LCH_BASS_BOOST_N1 */
527 case 0x09: /* LCH_BASS_BOOST_N2 */
528 case 0x0a: /* LCH_BASS_BOOST_N3 */
529 case 0x0b: /* LCH_BASS_BOOST_N4 */
530 case 0x0c: /* LCH_BASS_BOOST_N5 */
531 case 0x0d: /* LCH_BASS_BOOST_D1 */
532 case 0x0e: /* LCH_BASS_BOOST_D2 */
533 case 0x0f: /* LCH_BASS_BOOST_D4 */
534 case 0x10: /* LCH_BASS_BOOST_D5 */
535 case 0x11: /* RCH_BASS_BOOST_N0 */
536 case 0x12: /* RCH_BASS_BOOST_N1 */
537 case 0x13: /* RCH_BASS_BOOST_N2 */
538 case 0x14: /* RCH_BASS_BOOST_N3 */
539 case 0x15: /* RCH_BASS_BOOST_N4 */
540 case 0x16: /* RCH_BASS_BOOST_N5 */
541 case 0x17: /* RCH_BASS_BOOST_D1 */
542 case 0x18: /* RCH_BASS_BOOST_D2 */
543 case 0x19: /* RCH_BASS_BOOST_D4 */
544 case 0x1a: /* RCH_BASS_BOOST_D5 */
545 return s->filter_data[reg - 0x07];
547 case 0x1b: /* PLL Programmability 1 */
550 case 0x1c: /* PLL Programmability 2 */
553 case 0x1d: /* Audio Control 4 */
554 return (!s->softstep) << 14;
558 fprintf(stderr, "tsc2102_audio_register_read: "
559 "no such register: 0x%02x\n", reg);
565 static void tsc2102_data_register_write(
566 TSC210xState *s, int reg, uint16_t value)
573 case 0x05: /* BAT1 */
574 case 0x06: /* BAT2 */
575 case 0x07: /* AUX1 */
576 case 0x08: /* AUX2 */
577 case 0x09: /* TEMP1 */
578 case 0x0a: /* TEMP2 */
583 fprintf(stderr, "tsc2102_data_register_write: "
584 "no such register: 0x%02x\n", reg);
589 static void tsc2102_control_register_write(
590 TSC210xState *s, int reg, uint16_t value)
593 case 0x00: /* TSC ADC */
594 s->host_mode = value >> 15;
595 s->enabled = !(value & 0x4000);
596 if (s->busy && !s->enabled)
598 s->busy &= s->enabled;
599 s->nextfunction = (value >> 10) & 0xf;
600 s->nextprecision = (value >> 8) & 3;
601 s->filter = value & 0xff;
604 case 0x01: /* Status / Keypad Control */
605 if ((s->model & 0xff00) == 0x2100)
606 s->pin_func = value >> 14;
608 s->kb.scan = (value >> 14) & 1;
609 s->kb.debounce = (value >> 11) & 7;
610 if (s->kb.intr && s->kb.scan) {
612 qemu_irq_raise(s->kbint);
617 case 0x02: /* DAC Control */
618 if ((s->model & 0xff00) == 0x2300) {
619 s->dac_power &= 0x7fff;
620 s->dac_power |= 0x8000 & value;
625 case 0x03: /* Reference */
626 s->ref = value & 0x1f;
629 case 0x04: /* Reset */
630 if (value == 0xbb00) {
636 fprintf(stderr, "tsc2102_control_register_write: "
637 "wrong value written into RESET\n");
642 case 0x05: /* Configuration */
643 s->timing = value & 0x3f;
646 fprintf(stderr, "tsc2102_control_register_write: "
647 "wrong value written into CONFIG\n");
651 case 0x06: /* Secondary configuration */
652 if ((s->model & 0xff00) == 0x2100)
654 s->kb.mode = value >> 14;
655 s->pll[2] = value & 0x3ffff;
658 case 0x10: /* Keypad Mask */
659 if ((s->model & 0xff00) == 0x2100)
667 fprintf(stderr, "tsc2102_control_register_write: "
668 "no such register: 0x%02x\n", reg);
673 static void tsc2102_audio_register_write(
674 TSC210xState *s, int reg, uint16_t value)
677 case 0x00: /* Audio Control 1 */
678 s->audio_ctrl1 = value & 0x0f3f;
680 if ((value & ~0x0f3f) || ((value & 7) != ((value >> 3) & 7)))
681 fprintf(stderr, "tsc2102_audio_register_write: "
682 "wrong value written into Audio 1\n");
684 tsc2102_audio_rate_update(s);
685 tsc2102_audio_output_update(s);
691 fprintf(stderr, "tsc2102_audio_register_write: "
692 "wrong value written into reg 0x01\n");
696 case 0x02: /* DAC Volume Control */
698 s->volume_change = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
704 fprintf(stderr, "tsc2102_audio_register_write: "
705 "wrong value written into reg 0x03\n");
709 case 0x04: /* Audio Control 2 */
710 s->audio_ctrl2 = value & 0xf7f2;
713 fprintf(stderr, "tsc2102_audio_register_write: "
714 "wrong value written into Audio 2\n");
718 case 0x05: /* Stereo DAC Power Control */
719 if ((value & ~s->dac_power) & (1 << 10))
720 s->powerdown = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
722 s->dac_power = value & 0x9543;
724 if ((value & ~0x9543) != 0x2aa0)
725 fprintf(stderr, "tsc2102_audio_register_write: "
726 "wrong value written into Power\n");
728 tsc2102_audio_rate_update(s);
729 tsc2102_audio_output_update(s);
732 case 0x06: /* Audio Control 3 */
733 s->audio_ctrl3 &= 0x00c0;
734 s->audio_ctrl3 |= value & 0xf800;
737 fprintf(stderr, "tsc2102_audio_register_write: "
738 "wrong value written into Audio 3\n");
740 tsc2102_audio_output_update(s);
743 case 0x07: /* LCH_BASS_BOOST_N0 */
744 case 0x08: /* LCH_BASS_BOOST_N1 */
745 case 0x09: /* LCH_BASS_BOOST_N2 */
746 case 0x0a: /* LCH_BASS_BOOST_N3 */
747 case 0x0b: /* LCH_BASS_BOOST_N4 */
748 case 0x0c: /* LCH_BASS_BOOST_N5 */
749 case 0x0d: /* LCH_BASS_BOOST_D1 */
750 case 0x0e: /* LCH_BASS_BOOST_D2 */
751 case 0x0f: /* LCH_BASS_BOOST_D4 */
752 case 0x10: /* LCH_BASS_BOOST_D5 */
753 case 0x11: /* RCH_BASS_BOOST_N0 */
754 case 0x12: /* RCH_BASS_BOOST_N1 */
755 case 0x13: /* RCH_BASS_BOOST_N2 */
756 case 0x14: /* RCH_BASS_BOOST_N3 */
757 case 0x15: /* RCH_BASS_BOOST_N4 */
758 case 0x16: /* RCH_BASS_BOOST_N5 */
759 case 0x17: /* RCH_BASS_BOOST_D1 */
760 case 0x18: /* RCH_BASS_BOOST_D2 */
761 case 0x19: /* RCH_BASS_BOOST_D4 */
762 case 0x1a: /* RCH_BASS_BOOST_D5 */
763 s->filter_data[reg - 0x07] = value;
766 case 0x1b: /* PLL Programmability 1 */
767 s->pll[0] = value & 0xfffc;
770 fprintf(stderr, "tsc2102_audio_register_write: "
771 "wrong value written into PLL 1\n");
775 case 0x1c: /* PLL Programmability 2 */
776 s->pll[1] = value & 0xfffc;
779 fprintf(stderr, "tsc2102_audio_register_write: "
780 "wrong value written into PLL 2\n");
784 case 0x1d: /* Audio Control 4 */
785 s->softstep = !(value & 0x4000);
788 fprintf(stderr, "tsc2102_audio_register_write: "
789 "wrong value written into Audio 4\n");
795 fprintf(stderr, "tsc2102_audio_register_write: "
796 "no such register: 0x%02x\n", reg);
801 /* This handles most of the chip logic. */
802 static void tsc210x_pin_update(TSC210xState *s)
807 switch (s->pin_func) {
809 pin_state = s->pressure;
812 pin_state = !!s->dav;
816 pin_state = s->pressure && !s->dav;
822 if (pin_state != s->irq) {
824 qemu_set_irq(s->pint, !s->irq);
827 switch (s->nextfunction) {
828 case TSC_MODE_XY_SCAN:
829 case TSC_MODE_XYZ_SCAN:
849 case TSC_MODE_AUX_SCAN:
850 case TSC_MODE_PORT_SCAN:
853 case TSC_MODE_NO_SCAN:
854 case TSC_MODE_XX_DRV:
855 case TSC_MODE_YY_DRV:
856 case TSC_MODE_YX_DRV:
861 if (!s->enabled || s->busy || s->dav)
865 s->precision = s->nextprecision;
866 s->function = s->nextfunction;
867 expires = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + (get_ticks_per_sec() >> 10);
868 timer_mod(s->timer, expires);
871 static uint16_t tsc210x_read(TSC210xState *s)
873 uint16_t ret = 0x0000;
876 fprintf(stderr, "tsc210x_read: SPI underrun!\n");
879 case TSC_DATA_REGISTERS_PAGE:
880 ret = tsc2102_data_register_read(s, s->offset);
882 qemu_irq_raise(s->davint);
884 case TSC_CONTROL_REGISTERS_PAGE:
885 ret = tsc2102_control_register_read(s, s->offset);
887 case TSC_AUDIO_REGISTERS_PAGE:
888 ret = tsc2102_audio_register_read(s, s->offset);
891 hw_error("tsc210x_read: wrong memory page\n");
894 tsc210x_pin_update(s);
896 /* Allow sequential reads. */
902 static void tsc210x_write(TSC210xState *s, uint16_t value)
905 * This is a two-state state machine for reading
906 * command and data every second time.
909 s->command = value >> 15;
910 s->page = (value >> 11) & 0x0f;
911 s->offset = (value >> 5) & 0x3f;
915 fprintf(stderr, "tsc210x_write: SPI overrun!\n");
918 case TSC_DATA_REGISTERS_PAGE:
919 tsc2102_data_register_write(s, s->offset, value);
921 case TSC_CONTROL_REGISTERS_PAGE:
922 tsc2102_control_register_write(s, s->offset, value);
924 case TSC_AUDIO_REGISTERS_PAGE:
925 tsc2102_audio_register_write(s, s->offset, value);
928 hw_error("tsc210x_write: wrong memory page\n");
931 tsc210x_pin_update(s);
936 uint32_t tsc210x_txrx(void *opaque, uint32_t value, int len)
938 TSC210xState *s = opaque;
942 hw_error("%s: FIXME: bad SPI word width %i\n", __FUNCTION__, len);
944 /* TODO: sequential reads etc - how do we make sure the host doesn't
945 * unintentionally read out a conversion result from a register while
946 * transmitting the command word of the next command? */
947 if (!value || (s->state && s->command))
948 ret = tsc210x_read(s);
949 if (value || (s->state && !s->command))
950 tsc210x_write(s, value);
955 static void tsc210x_timer_tick(void *opaque)
957 TSC210xState *s = opaque;
959 /* Timer ticked -- a set of conversions has been finished. */
965 s->dav |= mode_regs[s->function];
966 tsc210x_pin_update(s);
967 qemu_irq_lower(s->davint);
970 static void tsc210x_touchscreen_event(void *opaque,
971 int x, int y, int z, int buttons_state)
973 TSC210xState *s = opaque;
980 s->pressure = !!buttons_state;
983 * Note: We would get better responsiveness in the guest by
984 * signaling TS events immediately, but for now we simulate
985 * the first conversion delay for sake of correctness.
987 if (p != s->pressure)
988 tsc210x_pin_update(s);
991 static void tsc210x_i2s_swallow(TSC210xState *s)
994 tsc210x_out_flush(s, s->codec.out.len);
996 s->codec.out.len = 0;
999 static void tsc210x_i2s_set_rate(TSC210xState *s, int in, int out)
1001 s->i2s_tx_rate = out;
1002 s->i2s_rx_rate = in;
1005 static void tsc210x_save(QEMUFile *f, void *opaque)
1007 TSC210xState *s = (TSC210xState *) opaque;
1008 int64_t now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
1011 qemu_put_be16(f, s->x);
1012 qemu_put_be16(f, s->y);
1013 qemu_put_byte(f, s->pressure);
1015 qemu_put_byte(f, s->state);
1016 qemu_put_byte(f, s->page);
1017 qemu_put_byte(f, s->offset);
1018 qemu_put_byte(f, s->command);
1020 qemu_put_byte(f, s->irq);
1021 qemu_put_be16s(f, &s->dav);
1023 timer_put(f, s->timer);
1024 qemu_put_byte(f, s->enabled);
1025 qemu_put_byte(f, s->host_mode);
1026 qemu_put_byte(f, s->function);
1027 qemu_put_byte(f, s->nextfunction);
1028 qemu_put_byte(f, s->precision);
1029 qemu_put_byte(f, s->nextprecision);
1030 qemu_put_byte(f, s->filter);
1031 qemu_put_byte(f, s->pin_func);
1032 qemu_put_byte(f, s->ref);
1033 qemu_put_byte(f, s->timing);
1034 qemu_put_be32(f, s->noise);
1036 qemu_put_be16s(f, &s->audio_ctrl1);
1037 qemu_put_be16s(f, &s->audio_ctrl2);
1038 qemu_put_be16s(f, &s->audio_ctrl3);
1039 qemu_put_be16s(f, &s->pll[0]);
1040 qemu_put_be16s(f, &s->pll[1]);
1041 qemu_put_be16s(f, &s->volume);
1042 qemu_put_sbe64(f, (s->volume_change - now));
1043 qemu_put_sbe64(f, (s->powerdown - now));
1044 qemu_put_byte(f, s->softstep);
1045 qemu_put_be16s(f, &s->dac_power);
1047 for (i = 0; i < 0x14; i ++)
1048 qemu_put_be16s(f, &s->filter_data[i]);
1051 static int tsc210x_load(QEMUFile *f, void *opaque, int version_id)
1053 TSC210xState *s = (TSC210xState *) opaque;
1054 int64_t now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
1057 s->x = qemu_get_be16(f);
1058 s->y = qemu_get_be16(f);
1059 s->pressure = qemu_get_byte(f);
1061 s->state = qemu_get_byte(f);
1062 s->page = qemu_get_byte(f);
1063 s->offset = qemu_get_byte(f);
1064 s->command = qemu_get_byte(f);
1066 s->irq = qemu_get_byte(f);
1067 qemu_get_be16s(f, &s->dav);
1069 timer_get(f, s->timer);
1070 s->enabled = qemu_get_byte(f);
1071 s->host_mode = qemu_get_byte(f);
1072 s->function = qemu_get_byte(f);
1073 if (s->function < 0 || s->function >= ARRAY_SIZE(mode_regs)) {
1076 s->nextfunction = qemu_get_byte(f);
1077 if (s->nextfunction < 0 || s->nextfunction >= ARRAY_SIZE(mode_regs)) {
1080 s->precision = qemu_get_byte(f);
1081 if (s->precision < 0 || s->precision >= ARRAY_SIZE(resolution)) {
1084 s->nextprecision = qemu_get_byte(f);
1085 if (s->nextprecision < 0 || s->nextprecision >= ARRAY_SIZE(resolution)) {
1088 s->filter = qemu_get_byte(f);
1089 s->pin_func = qemu_get_byte(f);
1090 s->ref = qemu_get_byte(f);
1091 s->timing = qemu_get_byte(f);
1092 s->noise = qemu_get_be32(f);
1094 qemu_get_be16s(f, &s->audio_ctrl1);
1095 qemu_get_be16s(f, &s->audio_ctrl2);
1096 qemu_get_be16s(f, &s->audio_ctrl3);
1097 qemu_get_be16s(f, &s->pll[0]);
1098 qemu_get_be16s(f, &s->pll[1]);
1099 qemu_get_be16s(f, &s->volume);
1100 s->volume_change = qemu_get_sbe64(f) + now;
1101 s->powerdown = qemu_get_sbe64(f) + now;
1102 s->softstep = qemu_get_byte(f);
1103 qemu_get_be16s(f, &s->dac_power);
1105 for (i = 0; i < 0x14; i ++)
1106 qemu_get_be16s(f, &s->filter_data[i]);
1108 s->busy = timer_pending(s->timer);
1109 qemu_set_irq(s->pint, !s->irq);
1110 qemu_set_irq(s->davint, !s->dav);
1115 uWireSlave *tsc2102_init(qemu_irq pint)
1119 s = (TSC210xState *)
1120 g_malloc0(sizeof(TSC210xState));
1121 memset(s, 0, sizeof(TSC210xState));
1125 s->precision = s->nextprecision = 0;
1126 s->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, tsc210x_timer_tick, s);
1129 s->name = "tsc2102";
1141 s->chip.send = (void *) tsc210x_write;
1142 s->chip.receive = (void *) tsc210x_read;
1144 s->codec.opaque = s;
1145 s->codec.tx_swallow = (void *) tsc210x_i2s_swallow;
1146 s->codec.set_rate = (void *) tsc210x_i2s_set_rate;
1147 s->codec.in.fifo = s->in_fifo;
1148 s->codec.out.fifo = s->out_fifo;
1152 qemu_add_mouse_event_handler(tsc210x_touchscreen_event, s, 1,
1153 "QEMU TSC2102-driven Touchscreen");
1155 AUD_register_card(s->name, &s->card);
1157 qemu_register_reset((void *) tsc210x_reset, s);
1158 register_savevm(NULL, s->name, -1, 0,
1159 tsc210x_save, tsc210x_load, s);
1164 uWireSlave *tsc2301_init(qemu_irq penirq, qemu_irq kbirq, qemu_irq dav)
1168 s = (TSC210xState *)
1169 g_malloc0(sizeof(TSC210xState));
1170 memset(s, 0, sizeof(TSC210xState));
1174 s->precision = s->nextprecision = 0;
1175 s->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, tsc210x_timer_tick, s);
1180 s->name = "tsc2301";
1192 s->chip.send = (void *) tsc210x_write;
1193 s->chip.receive = (void *) tsc210x_read;
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;
1203 qemu_add_mouse_event_handler(tsc210x_touchscreen_event, s, 1,
1204 "QEMU TSC2301-driven Touchscreen");
1206 AUD_register_card(s->name, &s->card);
1208 qemu_register_reset((void *) tsc210x_reset, s);
1209 register_savevm(NULL, s->name, -1, 0, tsc210x_save, tsc210x_load, s);
1214 I2SCodec *tsc210x_codec(uWireSlave *chip)
1216 TSC210xState *s = (TSC210xState *) chip->opaque;
1222 * Use tslib generated calibration data to generate ADC input values
1223 * from the touchscreen. Assuming 12-bit precision was used during
1224 * tslib calibration.
1226 void tsc210x_set_transform(uWireSlave *chip,
1227 MouseTransformInfo *info)
1229 TSC210xState *s = (TSC210xState *) chip->opaque;
1233 ltr[0] = (int64_t) info->a[1] * info->y;
1234 ltr[1] = (int64_t) info->a[4] * info->x;
1235 ltr[2] = (int64_t) info->a[1] * info->a[3] -
1236 (int64_t) info->a[4] * info->a[0];
1237 ltr[3] = (int64_t) info->a[2] * info->a[4] -
1238 (int64_t) info->a[5] * info->a[1];
1239 ltr[4] = (int64_t) info->a[0] * info->y;
1240 ltr[5] = (int64_t) info->a[3] * info->x;
1241 ltr[6] = (int64_t) info->a[4] * info->a[0] -
1242 (int64_t) info->a[1] * info->a[3];
1243 ltr[7] = (int64_t) info->a[2] * info->a[3] -
1244 (int64_t) info->a[5] * info->a[0];
1246 /* Avoid integer overflow */
1247 s->tr[0] = ltr[0] >> 11;
1248 s->tr[1] = ltr[1] >> 11;
1249 s->tr[2] = muldiv64(ltr[2], 1, info->a[6]);
1250 s->tr[3] = muldiv64(ltr[3], 1 << 4, ltr[2]);
1251 s->tr[4] = ltr[4] >> 11;
1252 s->tr[5] = ltr[5] >> 11;
1253 s->tr[6] = muldiv64(ltr[6], 1, info->a[6]);
1254 s->tr[7] = muldiv64(ltr[7], 1 << 4, ltr[6]);
1257 /* This version assumes touchscreen X & Y axis are parallel or
1258 * perpendicular to LCD's X & Y axis in some way. */
1259 if (abs(info->a[0]) > abs(info->a[1])) {
1261 s->tr[1] = -info->a[6] * info->x;
1262 s->tr[2] = info->a[0];
1263 s->tr[3] = -info->a[2] / info->a[0];
1264 s->tr[4] = info->a[6] * info->y;
1266 s->tr[6] = info->a[4];
1267 s->tr[7] = -info->a[5] / info->a[4];
1269 s->tr[0] = info->a[6] * info->y;
1271 s->tr[2] = info->a[1];
1272 s->tr[3] = -info->a[2] / info->a[1];
1274 s->tr[5] = -info->a[6] * info->x;
1275 s->tr[6] = info->a[3];
1276 s->tr[7] = -info->a[5] / info->a[3];
1288 void tsc210x_key_event(uWireSlave *chip, int key, int down)
1290 TSC210xState *s = (TSC210xState *) chip->opaque;
1293 s->kb.down |= 1 << key;
1295 s->kb.down &= ~(1 << key);
1297 if (down && (s->kb.down & ~s->kb.mask) && !s->kb.intr) {
1299 qemu_irq_lower(s->kbint);
1300 } else if (s->kb.intr && !(s->kb.down & ~s->kb.mask) &&
1301 !(s->kb.mode & 1)) {
1303 qemu_irq_raise(s->kbint);