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-rw-r--r--hw/tsc210x.c1293
1 files changed, 0 insertions, 1293 deletions
diff --git a/hw/tsc210x.c b/hw/tsc210x.c
deleted file mode 100644
index b93e502e05..0000000000
--- a/hw/tsc210x.c
+++ /dev/null
@@ -1,1293 +0,0 @@
-/*
- * TI TSC2102 (touchscreen/sensors/audio controller) emulator.
- * TI TSC2301 (touchscreen/sensors/keypad).
- *
- * Copyright (c) 2006 Andrzej Zaborowski <balrog@zabor.org>
- * Copyright (C) 2008 Nokia Corporation
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 or
- * (at your option) version 3 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "hw/hw.h"
-#include "audio/audio.h"
-#include "qemu/timer.h"
-#include "ui/console.h"
-#include "hw/omap.h" /* For I2SCodec and uWireSlave */
-#include "hw/devices.h"
-
-#define TSC_DATA_REGISTERS_PAGE 0x0
-#define TSC_CONTROL_REGISTERS_PAGE 0x1
-#define TSC_AUDIO_REGISTERS_PAGE 0x2
-
-#define TSC_VERBOSE
-
-#define TSC_CUT_RESOLUTION(value, p) ((value) >> (16 - resolution[p]))
-
-typedef struct {
- qemu_irq pint;
- qemu_irq kbint;
- qemu_irq davint;
- QEMUTimer *timer;
- QEMUSoundCard card;
- uWireSlave chip;
- I2SCodec codec;
- uint8_t in_fifo[16384];
- uint8_t out_fifo[16384];
- uint16_t model;
-
- int x, y;
- int pressure;
-
- int state, page, offset, irq;
- uint16_t command, dav;
-
- int busy;
- int enabled;
- int host_mode;
- int function;
- int nextfunction;
- int precision;
- int nextprecision;
- int filter;
- int pin_func;
- int ref;
- int timing;
- int noise;
-
- uint16_t audio_ctrl1;
- uint16_t audio_ctrl2;
- uint16_t audio_ctrl3;
- uint16_t pll[3];
- uint16_t volume;
- int64_t volume_change;
- int softstep;
- uint16_t dac_power;
- int64_t powerdown;
- uint16_t filter_data[0x14];
-
- const char *name;
- SWVoiceIn *adc_voice[1];
- SWVoiceOut *dac_voice[1];
- int i2s_rx_rate;
- int i2s_tx_rate;
-
- int tr[8];
-
- struct {
- uint16_t down;
- uint16_t mask;
- int scan;
- int debounce;
- int mode;
- int intr;
- } kb;
-} TSC210xState;
-
-static const int resolution[4] = { 12, 8, 10, 12 };
-
-#define TSC_MODE_NO_SCAN 0x0
-#define TSC_MODE_XY_SCAN 0x1
-#define TSC_MODE_XYZ_SCAN 0x2
-#define TSC_MODE_X 0x3
-#define TSC_MODE_Y 0x4
-#define TSC_MODE_Z 0x5
-#define TSC_MODE_BAT1 0x6
-#define TSC_MODE_BAT2 0x7
-#define TSC_MODE_AUX 0x8
-#define TSC_MODE_AUX_SCAN 0x9
-#define TSC_MODE_TEMP1 0xa
-#define TSC_MODE_PORT_SCAN 0xb
-#define TSC_MODE_TEMP2 0xc
-#define TSC_MODE_XX_DRV 0xd
-#define TSC_MODE_YY_DRV 0xe
-#define TSC_MODE_YX_DRV 0xf
-
-static const uint16_t mode_regs[16] = {
- 0x0000, /* No scan */
- 0x0600, /* X, Y scan */
- 0x0780, /* X, Y, Z scan */
- 0x0400, /* X */
- 0x0200, /* Y */
- 0x0180, /* Z */
- 0x0040, /* BAT1 */
- 0x0030, /* BAT2 */
- 0x0010, /* AUX */
- 0x0010, /* AUX scan */
- 0x0004, /* TEMP1 */
- 0x0070, /* Port scan */
- 0x0002, /* TEMP2 */
- 0x0000, /* X+, X- drivers */
- 0x0000, /* Y+, Y- drivers */
- 0x0000, /* Y+, X- drivers */
-};
-
-#define X_TRANSFORM(s) \
- ((s->y * s->tr[0] - s->x * s->tr[1]) / s->tr[2] + s->tr[3])
-#define Y_TRANSFORM(s) \
- ((s->y * s->tr[4] - s->x * s->tr[5]) / s->tr[6] + s->tr[7])
-#define Z1_TRANSFORM(s) \
- ((400 - ((s)->x >> 7) + ((s)->pressure << 10)) << 4)
-#define Z2_TRANSFORM(s) \
- ((4000 + ((s)->y >> 7) - ((s)->pressure << 10)) << 4)
-
-#define BAT1_VAL 0x8660
-#define BAT2_VAL 0x0000
-#define AUX1_VAL 0x35c0
-#define AUX2_VAL 0xffff
-#define TEMP1_VAL 0x8c70
-#define TEMP2_VAL 0xa5b0
-
-#define TSC_POWEROFF_DELAY 50
-#define TSC_SOFTSTEP_DELAY 50
-
-static void tsc210x_reset(TSC210xState *s)
-{
- s->state = 0;
- s->pin_func = 2;
- s->enabled = 0;
- s->busy = 0;
- s->nextfunction = 0;
- s->ref = 0;
- s->timing = 0;
- s->irq = 0;
- s->dav = 0;
-
- s->audio_ctrl1 = 0x0000;
- s->audio_ctrl2 = 0x4410;
- s->audio_ctrl3 = 0x0000;
- s->pll[0] = 0x1004;
- s->pll[1] = 0x0000;
- s->pll[2] = 0x1fff;
- s->volume = 0xffff;
- s->dac_power = 0x8540;
- s->softstep = 1;
- s->volume_change = 0;
- s->powerdown = 0;
- s->filter_data[0x00] = 0x6be3;
- s->filter_data[0x01] = 0x9666;
- s->filter_data[0x02] = 0x675d;
- s->filter_data[0x03] = 0x6be3;
- s->filter_data[0x04] = 0x9666;
- s->filter_data[0x05] = 0x675d;
- s->filter_data[0x06] = 0x7d83;
- s->filter_data[0x07] = 0x84ee;
- s->filter_data[0x08] = 0x7d83;
- s->filter_data[0x09] = 0x84ee;
- s->filter_data[0x0a] = 0x6be3;
- s->filter_data[0x0b] = 0x9666;
- s->filter_data[0x0c] = 0x675d;
- s->filter_data[0x0d] = 0x6be3;
- s->filter_data[0x0e] = 0x9666;
- s->filter_data[0x0f] = 0x675d;
- s->filter_data[0x10] = 0x7d83;
- s->filter_data[0x11] = 0x84ee;
- s->filter_data[0x12] = 0x7d83;
- s->filter_data[0x13] = 0x84ee;
-
- s->i2s_tx_rate = 0;
- s->i2s_rx_rate = 0;
-
- s->kb.scan = 1;
- s->kb.debounce = 0;
- s->kb.mask = 0x0000;
- s->kb.mode = 3;
- s->kb.intr = 0;
-
- qemu_set_irq(s->pint, !s->irq);
- qemu_set_irq(s->davint, !s->dav);
- qemu_irq_raise(s->kbint);
-}
-
-typedef struct {
- int rate;
- int dsor;
- int fsref;
-} TSC210xRateInfo;
-
-/* { rate, dsor, fsref } */
-static const TSC210xRateInfo tsc2101_rates[] = {
- /* Fsref / 6.0 */
- { 7350, 7, 1 },
- { 8000, 7, 0 },
- /* Fsref / 5.5 */
- { 8018, 6, 1 },
- { 8727, 6, 0 },
- /* Fsref / 5.0 */
- { 8820, 5, 1 },
- { 9600, 5, 0 },
- /* Fsref / 4.0 */
- { 11025, 4, 1 },
- { 12000, 4, 0 },
- /* Fsref / 3.0 */
- { 14700, 3, 1 },
- { 16000, 3, 0 },
- /* Fsref / 2.0 */
- { 22050, 2, 1 },
- { 24000, 2, 0 },
- /* Fsref / 1.5 */
- { 29400, 1, 1 },
- { 32000, 1, 0 },
- /* Fsref */
- { 44100, 0, 1 },
- { 48000, 0, 0 },
-
- { 0, 0, 0 },
-};
-
-/* { rate, dsor, fsref } */
-static const TSC210xRateInfo tsc2102_rates[] = {
- /* Fsref / 6.0 */
- { 7350, 63, 1 },
- { 8000, 63, 0 },
- /* Fsref / 6.0 */
- { 7350, 54, 1 },
- { 8000, 54, 0 },
- /* Fsref / 5.0 */
- { 8820, 45, 1 },
- { 9600, 45, 0 },
- /* Fsref / 4.0 */
- { 11025, 36, 1 },
- { 12000, 36, 0 },
- /* Fsref / 3.0 */
- { 14700, 27, 1 },
- { 16000, 27, 0 },
- /* Fsref / 2.0 */
- { 22050, 18, 1 },
- { 24000, 18, 0 },
- /* Fsref / 1.5 */
- { 29400, 9, 1 },
- { 32000, 9, 0 },
- /* Fsref */
- { 44100, 0, 1 },
- { 48000, 0, 0 },
-
- { 0, 0, 0 },
-};
-
-static inline void tsc210x_out_flush(TSC210xState *s, int len)
-{
- uint8_t *data = s->codec.out.fifo + s->codec.out.start;
- uint8_t *end = data + len;
-
- while (data < end)
- data += AUD_write(s->dac_voice[0], data, end - data) ?: (end - data);
-
- s->codec.out.len -= len;
- if (s->codec.out.len)
- memmove(s->codec.out.fifo, end, s->codec.out.len);
- s->codec.out.start = 0;
-}
-
-static void tsc210x_audio_out_cb(TSC210xState *s, int free_b)
-{
- if (s->codec.out.len >= free_b) {
- tsc210x_out_flush(s, free_b);
- return;
- }
-
- s->codec.out.size = MIN(free_b, 16384);
- qemu_irq_raise(s->codec.tx_start);
-}
-
-static void tsc2102_audio_rate_update(TSC210xState *s)
-{
- const TSC210xRateInfo *rate;
-
- s->codec.tx_rate = 0;
- s->codec.rx_rate = 0;
- if (s->dac_power & (1 << 15)) /* PWDNC */
- return;
-
- for (rate = tsc2102_rates; rate->rate; rate ++)
- if (rate->dsor == (s->audio_ctrl1 & 0x3f) && /* DACFS */
- rate->fsref == ((s->audio_ctrl3 >> 13) & 1))/* REFFS */
- break;
- if (!rate->rate) {
- printf("%s: unknown sampling rate configured\n", __FUNCTION__);
- return;
- }
-
- s->codec.tx_rate = rate->rate;
-}
-
-static void tsc2102_audio_output_update(TSC210xState *s)
-{
- int enable;
- struct audsettings fmt;
-
- if (s->dac_voice[0]) {
- tsc210x_out_flush(s, s->codec.out.len);
- s->codec.out.size = 0;
- AUD_set_active_out(s->dac_voice[0], 0);
- AUD_close_out(&s->card, s->dac_voice[0]);
- s->dac_voice[0] = NULL;
- }
- s->codec.cts = 0;
-
- enable =
- (~s->dac_power & (1 << 15)) && /* PWDNC */
- (~s->dac_power & (1 << 10)); /* DAPWDN */
- if (!enable || !s->codec.tx_rate)
- return;
-
- /* Force our own sampling rate even in slave DAC mode */
- fmt.endianness = 0;
- fmt.nchannels = 2;
- fmt.freq = s->codec.tx_rate;
- fmt.fmt = AUD_FMT_S16;
-
- s->dac_voice[0] = AUD_open_out(&s->card, s->dac_voice[0],
- "tsc2102.sink", s, (void *) tsc210x_audio_out_cb, &fmt);
- if (s->dac_voice[0]) {
- s->codec.cts = 1;
- AUD_set_active_out(s->dac_voice[0], 1);
- }
-}
-
-static uint16_t tsc2102_data_register_read(TSC210xState *s, int reg)
-{
- switch (reg) {
- case 0x00: /* X */
- s->dav &= 0xfbff;
- return TSC_CUT_RESOLUTION(X_TRANSFORM(s), s->precision) +
- (s->noise & 3);
-
- case 0x01: /* Y */
- s->noise ++;
- s->dav &= 0xfdff;
- return TSC_CUT_RESOLUTION(Y_TRANSFORM(s), s->precision) ^
- (s->noise & 3);
-
- case 0x02: /* Z1 */
- s->dav &= 0xfeff;
- return TSC_CUT_RESOLUTION(Z1_TRANSFORM(s), s->precision) -
- (s->noise & 3);
-
- case 0x03: /* Z2 */
- s->dav &= 0xff7f;
- return TSC_CUT_RESOLUTION(Z2_TRANSFORM(s), s->precision) |
- (s->noise & 3);
-
- case 0x04: /* KPData */
- if ((s->model & 0xff00) == 0x2300) {
- if (s->kb.intr && (s->kb.mode & 2)) {
- s->kb.intr = 0;
- qemu_irq_raise(s->kbint);
- }
- return s->kb.down;
- }
-
- return 0xffff;
-
- case 0x05: /* BAT1 */
- s->dav &= 0xffbf;
- return TSC_CUT_RESOLUTION(BAT1_VAL, s->precision) +
- (s->noise & 6);
-
- case 0x06: /* BAT2 */
- s->dav &= 0xffdf;
- return TSC_CUT_RESOLUTION(BAT2_VAL, s->precision);
-
- case 0x07: /* AUX1 */
- s->dav &= 0xffef;
- return TSC_CUT_RESOLUTION(AUX1_VAL, s->precision);
-
- case 0x08: /* AUX2 */
- s->dav &= 0xfff7;
- return 0xffff;
-
- case 0x09: /* TEMP1 */
- s->dav &= 0xfffb;
- return TSC_CUT_RESOLUTION(TEMP1_VAL, s->precision) -
- (s->noise & 5);
-
- case 0x0a: /* TEMP2 */
- s->dav &= 0xfffd;
- return TSC_CUT_RESOLUTION(TEMP2_VAL, s->precision) ^
- (s->noise & 3);
-
- case 0x0b: /* DAC */
- s->dav &= 0xfffe;
- return 0xffff;
-
- default:
-#ifdef TSC_VERBOSE
- fprintf(stderr, "tsc2102_data_register_read: "
- "no such register: 0x%02x\n", reg);
-#endif
- return 0xffff;
- }
-}
-
-static uint16_t tsc2102_control_register_read(
- TSC210xState *s, int reg)
-{
- switch (reg) {
- case 0x00: /* TSC ADC */
- return (s->pressure << 15) | ((!s->busy) << 14) |
- (s->nextfunction << 10) | (s->nextprecision << 8) | s->filter;
-
- case 0x01: /* Status / Keypad Control */
- if ((s->model & 0xff00) == 0x2100)
- return (s->pin_func << 14) | ((!s->enabled) << 13) |
- (s->host_mode << 12) | ((!!s->dav) << 11) | s->dav;
- else
- return (s->kb.intr << 15) | ((s->kb.scan || !s->kb.down) << 14) |
- (s->kb.debounce << 11);
-
- case 0x02: /* DAC Control */
- if ((s->model & 0xff00) == 0x2300)
- return s->dac_power & 0x8000;
- else
- goto bad_reg;
-
- case 0x03: /* Reference */
- return s->ref;
-
- case 0x04: /* Reset */
- return 0xffff;
-
- case 0x05: /* Configuration */
- return s->timing;
-
- case 0x06: /* Secondary configuration */
- if ((s->model & 0xff00) == 0x2100)
- goto bad_reg;
- return ((!s->dav) << 15) | ((s->kb.mode & 1) << 14) | s->pll[2];
-
- case 0x10: /* Keypad Mask */
- if ((s->model & 0xff00) == 0x2100)
- goto bad_reg;
- return s->kb.mask;
-
- default:
- bad_reg:
-#ifdef TSC_VERBOSE
- fprintf(stderr, "tsc2102_control_register_read: "
- "no such register: 0x%02x\n", reg);
-#endif
- return 0xffff;
- }
-}
-
-static uint16_t tsc2102_audio_register_read(TSC210xState *s, int reg)
-{
- int l_ch, r_ch;
- uint16_t val;
-
- switch (reg) {
- case 0x00: /* Audio Control 1 */
- return s->audio_ctrl1;
-
- case 0x01:
- return 0xff00;
-
- case 0x02: /* DAC Volume Control */
- return s->volume;
-
- case 0x03:
- return 0x8b00;
-
- case 0x04: /* Audio Control 2 */
- l_ch = 1;
- r_ch = 1;
- if (s->softstep && !(s->dac_power & (1 << 10))) {
- l_ch = (qemu_get_clock_ns(vm_clock) >
- s->volume_change + TSC_SOFTSTEP_DELAY);
- r_ch = (qemu_get_clock_ns(vm_clock) >
- s->volume_change + TSC_SOFTSTEP_DELAY);
- }
-
- return s->audio_ctrl2 | (l_ch << 3) | (r_ch << 2);
-
- case 0x05: /* Stereo DAC Power Control */
- return 0x2aa0 | s->dac_power |
- (((s->dac_power & (1 << 10)) &&
- (qemu_get_clock_ns(vm_clock) >
- s->powerdown + TSC_POWEROFF_DELAY)) << 6);
-
- case 0x06: /* Audio Control 3 */
- val = s->audio_ctrl3 | 0x0001;
- s->audio_ctrl3 &= 0xff3f;
- return val;
-
- case 0x07: /* LCH_BASS_BOOST_N0 */
- case 0x08: /* LCH_BASS_BOOST_N1 */
- case 0x09: /* LCH_BASS_BOOST_N2 */
- case 0x0a: /* LCH_BASS_BOOST_N3 */
- case 0x0b: /* LCH_BASS_BOOST_N4 */
- case 0x0c: /* LCH_BASS_BOOST_N5 */
- case 0x0d: /* LCH_BASS_BOOST_D1 */
- case 0x0e: /* LCH_BASS_BOOST_D2 */
- case 0x0f: /* LCH_BASS_BOOST_D4 */
- case 0x10: /* LCH_BASS_BOOST_D5 */
- case 0x11: /* RCH_BASS_BOOST_N0 */
- case 0x12: /* RCH_BASS_BOOST_N1 */
- case 0x13: /* RCH_BASS_BOOST_N2 */
- case 0x14: /* RCH_BASS_BOOST_N3 */
- case 0x15: /* RCH_BASS_BOOST_N4 */
- case 0x16: /* RCH_BASS_BOOST_N5 */
- case 0x17: /* RCH_BASS_BOOST_D1 */
- case 0x18: /* RCH_BASS_BOOST_D2 */
- case 0x19: /* RCH_BASS_BOOST_D4 */
- case 0x1a: /* RCH_BASS_BOOST_D5 */
- return s->filter_data[reg - 0x07];
-
- case 0x1b: /* PLL Programmability 1 */
- return s->pll[0];
-
- case 0x1c: /* PLL Programmability 2 */
- return s->pll[1];
-
- case 0x1d: /* Audio Control 4 */
- return (!s->softstep) << 14;
-
- default:
-#ifdef TSC_VERBOSE
- fprintf(stderr, "tsc2102_audio_register_read: "
- "no such register: 0x%02x\n", reg);
-#endif
- return 0xffff;
- }
-}
-
-static void tsc2102_data_register_write(
- TSC210xState *s, int reg, uint16_t value)
-{
- switch (reg) {
- case 0x00: /* X */
- case 0x01: /* Y */
- case 0x02: /* Z1 */
- case 0x03: /* Z2 */
- case 0x05: /* BAT1 */
- case 0x06: /* BAT2 */
- case 0x07: /* AUX1 */
- case 0x08: /* AUX2 */
- case 0x09: /* TEMP1 */
- case 0x0a: /* TEMP2 */
- return;
-
- default:
-#ifdef TSC_VERBOSE
- fprintf(stderr, "tsc2102_data_register_write: "
- "no such register: 0x%02x\n", reg);
-#endif
- }
-}
-
-static void tsc2102_control_register_write(
- TSC210xState *s, int reg, uint16_t value)
-{
- switch (reg) {
- case 0x00: /* TSC ADC */
- s->host_mode = value >> 15;
- s->enabled = !(value & 0x4000);
- if (s->busy && !s->enabled)
- qemu_del_timer(s->timer);
- s->busy &= s->enabled;
- s->nextfunction = (value >> 10) & 0xf;
- s->nextprecision = (value >> 8) & 3;
- s->filter = value & 0xff;
- return;
-
- case 0x01: /* Status / Keypad Control */
- if ((s->model & 0xff00) == 0x2100)
- s->pin_func = value >> 14;
- else {
- s->kb.scan = (value >> 14) & 1;
- s->kb.debounce = (value >> 11) & 7;
- if (s->kb.intr && s->kb.scan) {
- s->kb.intr = 0;
- qemu_irq_raise(s->kbint);
- }
- }
- return;
-
- case 0x02: /* DAC Control */
- if ((s->model & 0xff00) == 0x2300) {
- s->dac_power &= 0x7fff;
- s->dac_power |= 0x8000 & value;
- } else
- goto bad_reg;
- break;
-
- case 0x03: /* Reference */
- s->ref = value & 0x1f;
- return;
-
- case 0x04: /* Reset */
- if (value == 0xbb00) {
- if (s->busy)
- qemu_del_timer(s->timer);
- tsc210x_reset(s);
-#ifdef TSC_VERBOSE
- } else {
- fprintf(stderr, "tsc2102_control_register_write: "
- "wrong value written into RESET\n");
-#endif
- }
- return;
-
- case 0x05: /* Configuration */
- s->timing = value & 0x3f;
-#ifdef TSC_VERBOSE
- if (value & ~0x3f)
- fprintf(stderr, "tsc2102_control_register_write: "
- "wrong value written into CONFIG\n");
-#endif
- return;
-
- case 0x06: /* Secondary configuration */
- if ((s->model & 0xff00) == 0x2100)
- goto bad_reg;
- s->kb.mode = value >> 14;
- s->pll[2] = value & 0x3ffff;
- return;
-
- case 0x10: /* Keypad Mask */
- if ((s->model & 0xff00) == 0x2100)
- goto bad_reg;
- s->kb.mask = value;
- return;
-
- default:
- bad_reg:
-#ifdef TSC_VERBOSE
- fprintf(stderr, "tsc2102_control_register_write: "
- "no such register: 0x%02x\n", reg);
-#endif
- }
-}
-
-static void tsc2102_audio_register_write(
- TSC210xState *s, int reg, uint16_t value)
-{
- switch (reg) {
- case 0x00: /* Audio Control 1 */
- s->audio_ctrl1 = value & 0x0f3f;
-#ifdef TSC_VERBOSE
- if ((value & ~0x0f3f) || ((value & 7) != ((value >> 3) & 7)))
- fprintf(stderr, "tsc2102_audio_register_write: "
- "wrong value written into Audio 1\n");
-#endif
- tsc2102_audio_rate_update(s);
- tsc2102_audio_output_update(s);
- return;
-
- case 0x01:
-#ifdef TSC_VERBOSE
- if (value != 0xff00)
- fprintf(stderr, "tsc2102_audio_register_write: "
- "wrong value written into reg 0x01\n");
-#endif
- return;
-
- case 0x02: /* DAC Volume Control */
- s->volume = value;
- s->volume_change = qemu_get_clock_ns(vm_clock);
- return;
-
- case 0x03:
-#ifdef TSC_VERBOSE
- if (value != 0x8b00)
- fprintf(stderr, "tsc2102_audio_register_write: "
- "wrong value written into reg 0x03\n");
-#endif
- return;
-
- case 0x04: /* Audio Control 2 */
- s->audio_ctrl2 = value & 0xf7f2;
-#ifdef TSC_VERBOSE
- if (value & ~0xf7fd)
- fprintf(stderr, "tsc2102_audio_register_write: "
- "wrong value written into Audio 2\n");
-#endif
- return;
-
- case 0x05: /* Stereo DAC Power Control */
- if ((value & ~s->dac_power) & (1 << 10))
- s->powerdown = qemu_get_clock_ns(vm_clock);
-
- s->dac_power = value & 0x9543;
-#ifdef TSC_VERBOSE
- if ((value & ~0x9543) != 0x2aa0)
- fprintf(stderr, "tsc2102_audio_register_write: "
- "wrong value written into Power\n");
-#endif
- tsc2102_audio_rate_update(s);
- tsc2102_audio_output_update(s);
- return;
-
- case 0x06: /* Audio Control 3 */
- s->audio_ctrl3 &= 0x00c0;
- s->audio_ctrl3 |= value & 0xf800;
-#ifdef TSC_VERBOSE
- if (value & ~0xf8c7)
- fprintf(stderr, "tsc2102_audio_register_write: "
- "wrong value written into Audio 3\n");
-#endif
- tsc2102_audio_output_update(s);
- return;
-
- case 0x07: /* LCH_BASS_BOOST_N0 */
- case 0x08: /* LCH_BASS_BOOST_N1 */
- case 0x09: /* LCH_BASS_BOOST_N2 */
- case 0x0a: /* LCH_BASS_BOOST_N3 */
- case 0x0b: /* LCH_BASS_BOOST_N4 */
- case 0x0c: /* LCH_BASS_BOOST_N5 */
- case 0x0d: /* LCH_BASS_BOOST_D1 */
- case 0x0e: /* LCH_BASS_BOOST_D2 */
- case 0x0f: /* LCH_BASS_BOOST_D4 */
- case 0x10: /* LCH_BASS_BOOST_D5 */
- case 0x11: /* RCH_BASS_BOOST_N0 */
- case 0x12: /* RCH_BASS_BOOST_N1 */
- case 0x13: /* RCH_BASS_BOOST_N2 */
- case 0x14: /* RCH_BASS_BOOST_N3 */
- case 0x15: /* RCH_BASS_BOOST_N4 */
- case 0x16: /* RCH_BASS_BOOST_N5 */
- case 0x17: /* RCH_BASS_BOOST_D1 */
- case 0x18: /* RCH_BASS_BOOST_D2 */
- case 0x19: /* RCH_BASS_BOOST_D4 */
- case 0x1a: /* RCH_BASS_BOOST_D5 */
- s->filter_data[reg - 0x07] = value;
- return;
-
- case 0x1b: /* PLL Programmability 1 */
- s->pll[0] = value & 0xfffc;
-#ifdef TSC_VERBOSE
- if (value & ~0xfffc)
- fprintf(stderr, "tsc2102_audio_register_write: "
- "wrong value written into PLL 1\n");
-#endif
- return;
-
- case 0x1c: /* PLL Programmability 2 */
- s->pll[1] = value & 0xfffc;
-#ifdef TSC_VERBOSE
- if (value & ~0xfffc)
- fprintf(stderr, "tsc2102_audio_register_write: "
- "wrong value written into PLL 2\n");
-#endif
- return;
-
- case 0x1d: /* Audio Control 4 */
- s->softstep = !(value & 0x4000);
-#ifdef TSC_VERBOSE
- if (value & ~0x4000)
- fprintf(stderr, "tsc2102_audio_register_write: "
- "wrong value written into Audio 4\n");
-#endif
- return;
-
- default:
-#ifdef TSC_VERBOSE
- fprintf(stderr, "tsc2102_audio_register_write: "
- "no such register: 0x%02x\n", reg);
-#endif
- }
-}
-
-/* This handles most of the chip logic. */
-static void tsc210x_pin_update(TSC210xState *s)
-{
- int64_t expires;
- int pin_state;
-
- switch (s->pin_func) {
- case 0:
- pin_state = s->pressure;
- break;
- case 1:
- pin_state = !!s->dav;
- break;
- case 2:
- default:
- pin_state = s->pressure && !s->dav;
- }
-
- if (!s->enabled)
- pin_state = 0;
-
- if (pin_state != s->irq) {
- s->irq = pin_state;
- qemu_set_irq(s->pint, !s->irq);
- }
-
- switch (s->nextfunction) {
- case TSC_MODE_XY_SCAN:
- case TSC_MODE_XYZ_SCAN:
- if (!s->pressure)
- return;
- break;
-
- case TSC_MODE_X:
- case TSC_MODE_Y:
- case TSC_MODE_Z:
- if (!s->pressure)
- return;
- /* Fall through */
- case TSC_MODE_BAT1:
- case TSC_MODE_BAT2:
- case TSC_MODE_AUX:
- case TSC_MODE_TEMP1:
- case TSC_MODE_TEMP2:
- if (s->dav)
- s->enabled = 0;
- break;
-
- case TSC_MODE_AUX_SCAN:
- case TSC_MODE_PORT_SCAN:
- break;
-
- case TSC_MODE_NO_SCAN:
- case TSC_MODE_XX_DRV:
- case TSC_MODE_YY_DRV:
- case TSC_MODE_YX_DRV:
- default:
- return;
- }
-
- if (!s->enabled || s->busy || s->dav)
- return;
-
- s->busy = 1;
- s->precision = s->nextprecision;
- s->function = s->nextfunction;
- expires = qemu_get_clock_ns(vm_clock) + (get_ticks_per_sec() >> 10);
- qemu_mod_timer(s->timer, expires);
-}
-
-static uint16_t tsc210x_read(TSC210xState *s)
-{
- uint16_t ret = 0x0000;
-
- if (!s->command)
- fprintf(stderr, "tsc210x_read: SPI underrun!\n");
-
- switch (s->page) {
- case TSC_DATA_REGISTERS_PAGE:
- ret = tsc2102_data_register_read(s, s->offset);
- if (!s->dav)
- qemu_irq_raise(s->davint);
- break;
- case TSC_CONTROL_REGISTERS_PAGE:
- ret = tsc2102_control_register_read(s, s->offset);
- break;
- case TSC_AUDIO_REGISTERS_PAGE:
- ret = tsc2102_audio_register_read(s, s->offset);
- break;
- default:
- hw_error("tsc210x_read: wrong memory page\n");
- }
-
- tsc210x_pin_update(s);
-
- /* Allow sequential reads. */
- s->offset ++;
- s->state = 0;
- return ret;
-}
-
-static void tsc210x_write(TSC210xState *s, uint16_t value)
-{
- /*
- * This is a two-state state machine for reading
- * command and data every second time.
- */
- if (!s->state) {
- s->command = value >> 15;
- s->page = (value >> 11) & 0x0f;
- s->offset = (value >> 5) & 0x3f;
- s->state = 1;
- } else {
- if (s->command)
- fprintf(stderr, "tsc210x_write: SPI overrun!\n");
- else
- switch (s->page) {
- case TSC_DATA_REGISTERS_PAGE:
- tsc2102_data_register_write(s, s->offset, value);
- break;
- case TSC_CONTROL_REGISTERS_PAGE:
- tsc2102_control_register_write(s, s->offset, value);
- break;
- case TSC_AUDIO_REGISTERS_PAGE:
- tsc2102_audio_register_write(s, s->offset, value);
- break;
- default:
- hw_error("tsc210x_write: wrong memory page\n");
- }
-
- tsc210x_pin_update(s);
- s->state = 0;
- }
-}
-
-uint32_t tsc210x_txrx(void *opaque, uint32_t value, int len)
-{
- TSC210xState *s = opaque;
- uint32_t ret = 0;
-
- if (len != 16)
- hw_error("%s: FIXME: bad SPI word width %i\n", __FUNCTION__, len);
-
- /* TODO: sequential reads etc - how do we make sure the host doesn't
- * unintentionally read out a conversion result from a register while
- * transmitting the command word of the next command? */
- if (!value || (s->state && s->command))
- ret = tsc210x_read(s);
- if (value || (s->state && !s->command))
- tsc210x_write(s, value);
-
- return ret;
-}
-
-static void tsc210x_timer_tick(void *opaque)
-{
- TSC210xState *s = opaque;
-
- /* Timer ticked -- a set of conversions has been finished. */
-
- if (!s->busy)
- return;
-
- s->busy = 0;
- s->dav |= mode_regs[s->function];
- tsc210x_pin_update(s);
- qemu_irq_lower(s->davint);
-}
-
-static void tsc210x_touchscreen_event(void *opaque,
- int x, int y, int z, int buttons_state)
-{
- TSC210xState *s = opaque;
- int p = s->pressure;
-
- if (buttons_state) {
- s->x = x;
- s->y = y;
- }
- s->pressure = !!buttons_state;
-
- /*
- * Note: We would get better responsiveness in the guest by
- * signaling TS events immediately, but for now we simulate
- * the first conversion delay for sake of correctness.
- */
- if (p != s->pressure)
- tsc210x_pin_update(s);
-}
-
-static void tsc210x_i2s_swallow(TSC210xState *s)
-{
- if (s->dac_voice[0])
- tsc210x_out_flush(s, s->codec.out.len);
- else
- s->codec.out.len = 0;
-}
-
-static void tsc210x_i2s_set_rate(TSC210xState *s, int in, int out)
-{
- s->i2s_tx_rate = out;
- s->i2s_rx_rate = in;
-}
-
-static void tsc210x_save(QEMUFile *f, void *opaque)
-{
- TSC210xState *s = (TSC210xState *) opaque;
- int64_t now = qemu_get_clock_ns(vm_clock);
- int i;
-
- qemu_put_be16(f, s->x);
- qemu_put_be16(f, s->y);
- qemu_put_byte(f, s->pressure);
-
- qemu_put_byte(f, s->state);
- qemu_put_byte(f, s->page);
- qemu_put_byte(f, s->offset);
- qemu_put_byte(f, s->command);
-
- qemu_put_byte(f, s->irq);
- qemu_put_be16s(f, &s->dav);
-
- qemu_put_timer(f, s->timer);
- qemu_put_byte(f, s->enabled);
- qemu_put_byte(f, s->host_mode);
- qemu_put_byte(f, s->function);
- qemu_put_byte(f, s->nextfunction);
- qemu_put_byte(f, s->precision);
- qemu_put_byte(f, s->nextprecision);
- qemu_put_byte(f, s->filter);
- qemu_put_byte(f, s->pin_func);
- qemu_put_byte(f, s->ref);
- qemu_put_byte(f, s->timing);
- qemu_put_be32(f, s->noise);
-
- qemu_put_be16s(f, &s->audio_ctrl1);
- qemu_put_be16s(f, &s->audio_ctrl2);
- qemu_put_be16s(f, &s->audio_ctrl3);
- qemu_put_be16s(f, &s->pll[0]);
- qemu_put_be16s(f, &s->pll[1]);
- qemu_put_be16s(f, &s->volume);
- qemu_put_sbe64(f, (s->volume_change - now));
- qemu_put_sbe64(f, (s->powerdown - now));
- qemu_put_byte(f, s->softstep);
- qemu_put_be16s(f, &s->dac_power);
-
- for (i = 0; i < 0x14; i ++)
- qemu_put_be16s(f, &s->filter_data[i]);
-}
-
-static int tsc210x_load(QEMUFile *f, void *opaque, int version_id)
-{
- TSC210xState *s = (TSC210xState *) opaque;
- int64_t now = qemu_get_clock_ns(vm_clock);
- int i;
-
- s->x = qemu_get_be16(f);
- s->y = qemu_get_be16(f);
- s->pressure = qemu_get_byte(f);
-
- s->state = qemu_get_byte(f);
- s->page = qemu_get_byte(f);
- s->offset = qemu_get_byte(f);
- s->command = qemu_get_byte(f);
-
- s->irq = qemu_get_byte(f);
- qemu_get_be16s(f, &s->dav);
-
- qemu_get_timer(f, s->timer);
- s->enabled = qemu_get_byte(f);
- s->host_mode = qemu_get_byte(f);
- s->function = qemu_get_byte(f);
- s->nextfunction = qemu_get_byte(f);
- s->precision = qemu_get_byte(f);
- s->nextprecision = qemu_get_byte(f);
- s->filter = qemu_get_byte(f);
- s->pin_func = qemu_get_byte(f);
- s->ref = qemu_get_byte(f);
- s->timing = qemu_get_byte(f);
- s->noise = qemu_get_be32(f);
-
- qemu_get_be16s(f, &s->audio_ctrl1);
- qemu_get_be16s(f, &s->audio_ctrl2);
- qemu_get_be16s(f, &s->audio_ctrl3);
- qemu_get_be16s(f, &s->pll[0]);
- qemu_get_be16s(f, &s->pll[1]);
- qemu_get_be16s(f, &s->volume);
- s->volume_change = qemu_get_sbe64(f) + now;
- s->powerdown = qemu_get_sbe64(f) + now;
- s->softstep = qemu_get_byte(f);
- qemu_get_be16s(f, &s->dac_power);
-
- for (i = 0; i < 0x14; i ++)
- qemu_get_be16s(f, &s->filter_data[i]);
-
- s->busy = qemu_timer_pending(s->timer);
- qemu_set_irq(s->pint, !s->irq);
- qemu_set_irq(s->davint, !s->dav);
-
- return 0;
-}
-
-uWireSlave *tsc2102_init(qemu_irq pint)
-{
- TSC210xState *s;
-
- s = (TSC210xState *)
- g_malloc0(sizeof(TSC210xState));
- memset(s, 0, sizeof(TSC210xState));
- s->x = 160;
- s->y = 160;
- s->pressure = 0;
- s->precision = s->nextprecision = 0;
- s->timer = qemu_new_timer_ns(vm_clock, tsc210x_timer_tick, s);
- s->pint = pint;
- s->model = 0x2102;
- s->name = "tsc2102";
-
- s->tr[0] = 0;
- s->tr[1] = 1;
- s->tr[2] = 1;
- s->tr[3] = 0;
- s->tr[4] = 1;
- s->tr[5] = 0;
- s->tr[6] = 1;
- s->tr[7] = 0;
-
- s->chip.opaque = s;
- s->chip.send = (void *) tsc210x_write;
- s->chip.receive = (void *) tsc210x_read;
-
- s->codec.opaque = s;
- s->codec.tx_swallow = (void *) tsc210x_i2s_swallow;
- s->codec.set_rate = (void *) tsc210x_i2s_set_rate;
- s->codec.in.fifo = s->in_fifo;
- s->codec.out.fifo = s->out_fifo;
-
- tsc210x_reset(s);
-
- qemu_add_mouse_event_handler(tsc210x_touchscreen_event, s, 1,
- "QEMU TSC2102-driven Touchscreen");
-
- AUD_register_card(s->name, &s->card);
-
- qemu_register_reset((void *) tsc210x_reset, s);
- register_savevm(NULL, s->name, -1, 0,
- tsc210x_save, tsc210x_load, s);
-
- return &s->chip;
-}
-
-uWireSlave *tsc2301_init(qemu_irq penirq, qemu_irq kbirq, qemu_irq dav)
-{
- TSC210xState *s;
-
- s = (TSC210xState *)
- g_malloc0(sizeof(TSC210xState));
- memset(s, 0, sizeof(TSC210xState));
- s->x = 400;
- s->y = 240;
- s->pressure = 0;
- s->precision = s->nextprecision = 0;
- s->timer = qemu_new_timer_ns(vm_clock, tsc210x_timer_tick, s);
- s->pint = penirq;
- s->kbint = kbirq;
- s->davint = dav;
- s->model = 0x2301;
- s->name = "tsc2301";
-
- s->tr[0] = 0;
- s->tr[1] = 1;
- s->tr[2] = 1;
- s->tr[3] = 0;
- s->tr[4] = 1;
- s->tr[5] = 0;
- s->tr[6] = 1;
- s->tr[7] = 0;
-
- s->chip.opaque = s;
- s->chip.send = (void *) tsc210x_write;
- s->chip.receive = (void *) tsc210x_read;
-
- s->codec.opaque = s;
- s->codec.tx_swallow = (void *) tsc210x_i2s_swallow;
- s->codec.set_rate = (void *) tsc210x_i2s_set_rate;
- s->codec.in.fifo = s->in_fifo;
- s->codec.out.fifo = s->out_fifo;
-
- tsc210x_reset(s);
-
- qemu_add_mouse_event_handler(tsc210x_touchscreen_event, s, 1,
- "QEMU TSC2301-driven Touchscreen");
-
- AUD_register_card(s->name, &s->card);
-
- qemu_register_reset((void *) tsc210x_reset, s);
- register_savevm(NULL, s->name, -1, 0, tsc210x_save, tsc210x_load, s);
-
- return &s->chip;
-}
-
-I2SCodec *tsc210x_codec(uWireSlave *chip)
-{
- TSC210xState *s = (TSC210xState *) chip->opaque;
-
- return &s->codec;
-}
-
-/*
- * Use tslib generated calibration data to generate ADC input values
- * from the touchscreen. Assuming 12-bit precision was used during
- * tslib calibration.
- */
-void tsc210x_set_transform(uWireSlave *chip,
- MouseTransformInfo *info)
-{
- TSC210xState *s = (TSC210xState *) chip->opaque;
-#if 0
- int64_t ltr[8];
-
- ltr[0] = (int64_t) info->a[1] * info->y;
- ltr[1] = (int64_t) info->a[4] * info->x;
- ltr[2] = (int64_t) info->a[1] * info->a[3] -
- (int64_t) info->a[4] * info->a[0];
- ltr[3] = (int64_t) info->a[2] * info->a[4] -
- (int64_t) info->a[5] * info->a[1];
- ltr[4] = (int64_t) info->a[0] * info->y;
- ltr[5] = (int64_t) info->a[3] * info->x;
- ltr[6] = (int64_t) info->a[4] * info->a[0] -
- (int64_t) info->a[1] * info->a[3];
- ltr[7] = (int64_t) info->a[2] * info->a[3] -
- (int64_t) info->a[5] * info->a[0];
-
- /* Avoid integer overflow */
- s->tr[0] = ltr[0] >> 11;
- s->tr[1] = ltr[1] >> 11;
- s->tr[2] = muldiv64(ltr[2], 1, info->a[6]);
- s->tr[3] = muldiv64(ltr[3], 1 << 4, ltr[2]);
- s->tr[4] = ltr[4] >> 11;
- s->tr[5] = ltr[5] >> 11;
- s->tr[6] = muldiv64(ltr[6], 1, info->a[6]);
- s->tr[7] = muldiv64(ltr[7], 1 << 4, ltr[6]);
-#else
-
- /* This version assumes touchscreen X & Y axis are parallel or
- * perpendicular to LCD's X & Y axis in some way. */
- if (abs(info->a[0]) > abs(info->a[1])) {
- s->tr[0] = 0;
- s->tr[1] = -info->a[6] * info->x;
- s->tr[2] = info->a[0];
- s->tr[3] = -info->a[2] / info->a[0];
- s->tr[4] = info->a[6] * info->y;
- s->tr[5] = 0;
- s->tr[6] = info->a[4];
- s->tr[7] = -info->a[5] / info->a[4];
- } else {
- s->tr[0] = info->a[6] * info->y;
- s->tr[1] = 0;
- s->tr[2] = info->a[1];
- s->tr[3] = -info->a[2] / info->a[1];
- s->tr[4] = 0;
- s->tr[5] = -info->a[6] * info->x;
- s->tr[6] = info->a[3];
- s->tr[7] = -info->a[5] / info->a[3];
- }
-
- s->tr[0] >>= 11;
- s->tr[1] >>= 11;
- s->tr[3] <<= 4;
- s->tr[4] >>= 11;
- s->tr[5] >>= 11;
- s->tr[7] <<= 4;
-#endif
-}
-
-void tsc210x_key_event(uWireSlave *chip, int key, int down)
-{
- TSC210xState *s = (TSC210xState *) chip->opaque;
-
- if (down)
- s->kb.down |= 1 << key;
- else
- s->kb.down &= ~(1 << key);
-
- if (down && (s->kb.down & ~s->kb.mask) && !s->kb.intr) {
- s->kb.intr = 1;
- qemu_irq_lower(s->kbint);
- } else if (s->kb.intr && !(s->kb.down & ~s->kb.mask) &&
- !(s->kb.mode & 1)) {
- s->kb.intr = 0;
- qemu_irq_raise(s->kbint);
- }
-}
generated by cgit v1.2.1 (git 2.18.0) at 2024-06-18 21:40:35 +0000