1294 lines
34 KiB
C
1294 lines
34 KiB
C
/*
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* TI TSC2102 (touchscreen/sensors/audio controller) emulator.
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* TI TSC2301 (touchscreen/sensors/keypad).
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*
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* Copyright (c) 2006 Andrzej Zaborowski <balrog@zabor.org>
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* Copyright (C) 2008 Nokia Corporation
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 or
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* (at your option) version 3 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include "hw.h"
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#include "audio/audio.h"
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#include "qemu/timer.h"
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#include "ui/console.h"
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#include "omap.h" /* For I2SCodec and uWireSlave */
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#include "devices.h"
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#define TSC_DATA_REGISTERS_PAGE 0x0
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#define TSC_CONTROL_REGISTERS_PAGE 0x1
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#define TSC_AUDIO_REGISTERS_PAGE 0x2
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#define TSC_VERBOSE
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#define TSC_CUT_RESOLUTION(value, p) ((value) >> (16 - resolution[p]))
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typedef struct {
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qemu_irq pint;
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qemu_irq kbint;
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qemu_irq davint;
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QEMUTimer *timer;
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QEMUSoundCard card;
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uWireSlave chip;
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I2SCodec codec;
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uint8_t in_fifo[16384];
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uint8_t out_fifo[16384];
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uint16_t model;
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int x, y;
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int pressure;
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int state, page, offset, irq;
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uint16_t command, dav;
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int busy;
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int enabled;
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int host_mode;
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int function;
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int nextfunction;
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int precision;
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int nextprecision;
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int filter;
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int pin_func;
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int ref;
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int timing;
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int noise;
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uint16_t audio_ctrl1;
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uint16_t audio_ctrl2;
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uint16_t audio_ctrl3;
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uint16_t pll[3];
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uint16_t volume;
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int64_t volume_change;
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int softstep;
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uint16_t dac_power;
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int64_t powerdown;
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uint16_t filter_data[0x14];
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const char *name;
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SWVoiceIn *adc_voice[1];
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SWVoiceOut *dac_voice[1];
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int i2s_rx_rate;
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int i2s_tx_rate;
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int tr[8];
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struct {
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uint16_t down;
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uint16_t mask;
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int scan;
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int debounce;
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int mode;
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int intr;
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} kb;
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} TSC210xState;
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static const int resolution[4] = { 12, 8, 10, 12 };
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#define TSC_MODE_NO_SCAN 0x0
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#define TSC_MODE_XY_SCAN 0x1
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#define TSC_MODE_XYZ_SCAN 0x2
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#define TSC_MODE_X 0x3
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#define TSC_MODE_Y 0x4
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#define TSC_MODE_Z 0x5
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#define TSC_MODE_BAT1 0x6
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#define TSC_MODE_BAT2 0x7
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#define TSC_MODE_AUX 0x8
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#define TSC_MODE_AUX_SCAN 0x9
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#define TSC_MODE_TEMP1 0xa
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#define TSC_MODE_PORT_SCAN 0xb
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#define TSC_MODE_TEMP2 0xc
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#define TSC_MODE_XX_DRV 0xd
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#define TSC_MODE_YY_DRV 0xe
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#define TSC_MODE_YX_DRV 0xf
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static const uint16_t mode_regs[16] = {
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0x0000, /* No scan */
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0x0600, /* X, Y scan */
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0x0780, /* X, Y, Z scan */
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0x0400, /* X */
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0x0200, /* Y */
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0x0180, /* Z */
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0x0040, /* BAT1 */
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0x0030, /* BAT2 */
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0x0010, /* AUX */
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0x0010, /* AUX scan */
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0x0004, /* TEMP1 */
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0x0070, /* Port scan */
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0x0002, /* TEMP2 */
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0x0000, /* X+, X- drivers */
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0x0000, /* Y+, Y- drivers */
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0x0000, /* Y+, X- drivers */
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};
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#define X_TRANSFORM(s) \
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((s->y * s->tr[0] - s->x * s->tr[1]) / s->tr[2] + s->tr[3])
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#define Y_TRANSFORM(s) \
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((s->y * s->tr[4] - s->x * s->tr[5]) / s->tr[6] + s->tr[7])
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#define Z1_TRANSFORM(s) \
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((400 - ((s)->x >> 7) + ((s)->pressure << 10)) << 4)
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#define Z2_TRANSFORM(s) \
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((4000 + ((s)->y >> 7) - ((s)->pressure << 10)) << 4)
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#define BAT1_VAL 0x8660
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#define BAT2_VAL 0x0000
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#define AUX1_VAL 0x35c0
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#define AUX2_VAL 0xffff
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#define TEMP1_VAL 0x8c70
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#define TEMP2_VAL 0xa5b0
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#define TSC_POWEROFF_DELAY 50
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#define TSC_SOFTSTEP_DELAY 50
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static void tsc210x_reset(TSC210xState *s)
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{
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s->state = 0;
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s->pin_func = 2;
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s->enabled = 0;
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s->busy = 0;
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s->nextfunction = 0;
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s->ref = 0;
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s->timing = 0;
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s->irq = 0;
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s->dav = 0;
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s->audio_ctrl1 = 0x0000;
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s->audio_ctrl2 = 0x4410;
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s->audio_ctrl3 = 0x0000;
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s->pll[0] = 0x1004;
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s->pll[1] = 0x0000;
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s->pll[2] = 0x1fff;
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s->volume = 0xffff;
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s->dac_power = 0x8540;
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s->softstep = 1;
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s->volume_change = 0;
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s->powerdown = 0;
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s->filter_data[0x00] = 0x6be3;
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s->filter_data[0x01] = 0x9666;
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s->filter_data[0x02] = 0x675d;
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s->filter_data[0x03] = 0x6be3;
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s->filter_data[0x04] = 0x9666;
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s->filter_data[0x05] = 0x675d;
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s->filter_data[0x06] = 0x7d83;
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s->filter_data[0x07] = 0x84ee;
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s->filter_data[0x08] = 0x7d83;
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s->filter_data[0x09] = 0x84ee;
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s->filter_data[0x0a] = 0x6be3;
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s->filter_data[0x0b] = 0x9666;
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s->filter_data[0x0c] = 0x675d;
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s->filter_data[0x0d] = 0x6be3;
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s->filter_data[0x0e] = 0x9666;
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s->filter_data[0x0f] = 0x675d;
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s->filter_data[0x10] = 0x7d83;
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s->filter_data[0x11] = 0x84ee;
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s->filter_data[0x12] = 0x7d83;
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s->filter_data[0x13] = 0x84ee;
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s->i2s_tx_rate = 0;
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s->i2s_rx_rate = 0;
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s->kb.scan = 1;
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s->kb.debounce = 0;
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s->kb.mask = 0x0000;
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s->kb.mode = 3;
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s->kb.intr = 0;
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qemu_set_irq(s->pint, !s->irq);
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qemu_set_irq(s->davint, !s->dav);
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qemu_irq_raise(s->kbint);
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}
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typedef struct {
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int rate;
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int dsor;
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int fsref;
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} TSC210xRateInfo;
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/* { rate, dsor, fsref } */
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static const TSC210xRateInfo tsc2101_rates[] = {
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/* Fsref / 6.0 */
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{ 7350, 7, 1 },
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{ 8000, 7, 0 },
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/* Fsref / 5.5 */
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{ 8018, 6, 1 },
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{ 8727, 6, 0 },
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/* Fsref / 5.0 */
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{ 8820, 5, 1 },
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{ 9600, 5, 0 },
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/* Fsref / 4.0 */
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{ 11025, 4, 1 },
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{ 12000, 4, 0 },
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/* Fsref / 3.0 */
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{ 14700, 3, 1 },
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{ 16000, 3, 0 },
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/* Fsref / 2.0 */
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{ 22050, 2, 1 },
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{ 24000, 2, 0 },
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/* Fsref / 1.5 */
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{ 29400, 1, 1 },
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{ 32000, 1, 0 },
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/* Fsref */
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{ 44100, 0, 1 },
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{ 48000, 0, 0 },
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{ 0, 0, 0 },
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};
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/* { rate, dsor, fsref } */
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static const TSC210xRateInfo tsc2102_rates[] = {
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/* Fsref / 6.0 */
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{ 7350, 63, 1 },
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{ 8000, 63, 0 },
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/* Fsref / 6.0 */
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{ 7350, 54, 1 },
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{ 8000, 54, 0 },
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/* Fsref / 5.0 */
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{ 8820, 45, 1 },
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{ 9600, 45, 0 },
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/* Fsref / 4.0 */
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{ 11025, 36, 1 },
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{ 12000, 36, 0 },
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/* Fsref / 3.0 */
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{ 14700, 27, 1 },
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{ 16000, 27, 0 },
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/* Fsref / 2.0 */
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{ 22050, 18, 1 },
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{ 24000, 18, 0 },
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/* Fsref / 1.5 */
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{ 29400, 9, 1 },
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{ 32000, 9, 0 },
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/* Fsref */
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{ 44100, 0, 1 },
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{ 48000, 0, 0 },
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{ 0, 0, 0 },
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};
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static inline void tsc210x_out_flush(TSC210xState *s, int len)
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{
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uint8_t *data = s->codec.out.fifo + s->codec.out.start;
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uint8_t *end = data + len;
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while (data < end)
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data += AUD_write(s->dac_voice[0], data, end - data) ?: (end - data);
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s->codec.out.len -= len;
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if (s->codec.out.len)
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memmove(s->codec.out.fifo, end, s->codec.out.len);
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s->codec.out.start = 0;
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}
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static void tsc210x_audio_out_cb(TSC210xState *s, int free_b)
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{
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if (s->codec.out.len >= free_b) {
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tsc210x_out_flush(s, free_b);
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return;
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}
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s->codec.out.size = MIN(free_b, 16384);
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qemu_irq_raise(s->codec.tx_start);
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}
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static void tsc2102_audio_rate_update(TSC210xState *s)
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{
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const TSC210xRateInfo *rate;
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s->codec.tx_rate = 0;
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s->codec.rx_rate = 0;
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if (s->dac_power & (1 << 15)) /* PWDNC */
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return;
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for (rate = tsc2102_rates; rate->rate; rate ++)
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if (rate->dsor == (s->audio_ctrl1 & 0x3f) && /* DACFS */
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rate->fsref == ((s->audio_ctrl3 >> 13) & 1))/* REFFS */
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break;
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if (!rate->rate) {
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printf("%s: unknown sampling rate configured\n", __FUNCTION__);
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return;
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}
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s->codec.tx_rate = rate->rate;
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}
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static void tsc2102_audio_output_update(TSC210xState *s)
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{
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int enable;
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struct audsettings fmt;
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if (s->dac_voice[0]) {
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tsc210x_out_flush(s, s->codec.out.len);
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s->codec.out.size = 0;
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AUD_set_active_out(s->dac_voice[0], 0);
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AUD_close_out(&s->card, s->dac_voice[0]);
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s->dac_voice[0] = NULL;
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}
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s->codec.cts = 0;
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enable =
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(~s->dac_power & (1 << 15)) && /* PWDNC */
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(~s->dac_power & (1 << 10)); /* DAPWDN */
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if (!enable || !s->codec.tx_rate)
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return;
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/* Force our own sampling rate even in slave DAC mode */
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fmt.endianness = 0;
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fmt.nchannels = 2;
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fmt.freq = s->codec.tx_rate;
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fmt.fmt = AUD_FMT_S16;
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s->dac_voice[0] = AUD_open_out(&s->card, s->dac_voice[0],
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"tsc2102.sink", s, (void *) tsc210x_audio_out_cb, &fmt);
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if (s->dac_voice[0]) {
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s->codec.cts = 1;
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AUD_set_active_out(s->dac_voice[0], 1);
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}
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}
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static uint16_t tsc2102_data_register_read(TSC210xState *s, int reg)
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{
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switch (reg) {
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case 0x00: /* X */
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s->dav &= 0xfbff;
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return TSC_CUT_RESOLUTION(X_TRANSFORM(s), s->precision) +
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(s->noise & 3);
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case 0x01: /* Y */
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s->noise ++;
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s->dav &= 0xfdff;
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return TSC_CUT_RESOLUTION(Y_TRANSFORM(s), s->precision) ^
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(s->noise & 3);
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case 0x02: /* Z1 */
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s->dav &= 0xfeff;
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return TSC_CUT_RESOLUTION(Z1_TRANSFORM(s), s->precision) -
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(s->noise & 3);
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case 0x03: /* Z2 */
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s->dav &= 0xff7f;
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return TSC_CUT_RESOLUTION(Z2_TRANSFORM(s), s->precision) |
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(s->noise & 3);
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case 0x04: /* KPData */
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if ((s->model & 0xff00) == 0x2300) {
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if (s->kb.intr && (s->kb.mode & 2)) {
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s->kb.intr = 0;
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qemu_irq_raise(s->kbint);
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}
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return s->kb.down;
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}
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return 0xffff;
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case 0x05: /* BAT1 */
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s->dav &= 0xffbf;
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return TSC_CUT_RESOLUTION(BAT1_VAL, s->precision) +
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(s->noise & 6);
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case 0x06: /* BAT2 */
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s->dav &= 0xffdf;
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return TSC_CUT_RESOLUTION(BAT2_VAL, s->precision);
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case 0x07: /* AUX1 */
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s->dav &= 0xffef;
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return TSC_CUT_RESOLUTION(AUX1_VAL, s->precision);
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case 0x08: /* AUX2 */
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s->dav &= 0xfff7;
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return 0xffff;
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case 0x09: /* TEMP1 */
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s->dav &= 0xfffb;
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return TSC_CUT_RESOLUTION(TEMP1_VAL, s->precision) -
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(s->noise & 5);
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case 0x0a: /* TEMP2 */
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s->dav &= 0xfffd;
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return TSC_CUT_RESOLUTION(TEMP2_VAL, s->precision) ^
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(s->noise & 3);
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case 0x0b: /* DAC */
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s->dav &= 0xfffe;
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return 0xffff;
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default:
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#ifdef TSC_VERBOSE
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fprintf(stderr, "tsc2102_data_register_read: "
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"no such register: 0x%02x\n", reg);
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#endif
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return 0xffff;
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}
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}
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static uint16_t tsc2102_control_register_read(
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TSC210xState *s, int reg)
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{
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switch (reg) {
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case 0x00: /* TSC ADC */
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return (s->pressure << 15) | ((!s->busy) << 14) |
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(s->nextfunction << 10) | (s->nextprecision << 8) | s->filter;
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case 0x01: /* Status / Keypad Control */
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if ((s->model & 0xff00) == 0x2100)
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return (s->pin_func << 14) | ((!s->enabled) << 13) |
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(s->host_mode << 12) | ((!!s->dav) << 11) | s->dav;
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else
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return (s->kb.intr << 15) | ((s->kb.scan || !s->kb.down) << 14) |
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(s->kb.debounce << 11);
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case 0x02: /* DAC Control */
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if ((s->model & 0xff00) == 0x2300)
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return s->dac_power & 0x8000;
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else
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goto bad_reg;
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case 0x03: /* Reference */
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return s->ref;
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case 0x04: /* Reset */
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return 0xffff;
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case 0x05: /* Configuration */
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return s->timing;
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case 0x06: /* Secondary configuration */
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if ((s->model & 0xff00) == 0x2100)
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goto bad_reg;
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return ((!s->dav) << 15) | ((s->kb.mode & 1) << 14) | s->pll[2];
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case 0x10: /* Keypad Mask */
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if ((s->model & 0xff00) == 0x2100)
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goto bad_reg;
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return s->kb.mask;
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default:
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bad_reg:
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#ifdef TSC_VERBOSE
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fprintf(stderr, "tsc2102_control_register_read: "
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"no such register: 0x%02x\n", reg);
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#endif
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return 0xffff;
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}
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}
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|
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static uint16_t tsc2102_audio_register_read(TSC210xState *s, int reg)
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{
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int l_ch, r_ch;
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uint16_t val;
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|
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switch (reg) {
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case 0x00: /* Audio Control 1 */
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return s->audio_ctrl1;
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case 0x01:
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return 0xff00;
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|
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case 0x02: /* DAC Volume Control */
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return s->volume;
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|
|
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;
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|
int64_t now = qemu_get_clock_ns(vm_clock);
|
|
int i;
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|
|
|
qemu_put_be16(f, s->x);
|
|
qemu_put_be16(f, s->y);
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|
qemu_put_byte(f, s->pressure);
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|
|
|
qemu_put_byte(f, s->state);
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|
qemu_put_byte(f, s->page);
|
|
qemu_put_byte(f, s->offset);
|
|
qemu_put_byte(f, s->command);
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|
|
|
qemu_put_byte(f, s->irq);
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|
qemu_put_be16s(f, &s->dav);
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|
|
|
qemu_put_timer(f, s->timer);
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|
qemu_put_byte(f, s->enabled);
|
|
qemu_put_byte(f, s->host_mode);
|
|
qemu_put_byte(f, s->function);
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|
qemu_put_byte(f, s->nextfunction);
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|
qemu_put_byte(f, s->precision);
|
|
qemu_put_byte(f, s->nextprecision);
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|
qemu_put_byte(f, s->filter);
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|
qemu_put_byte(f, s->pin_func);
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|
qemu_put_byte(f, s->ref);
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|
qemu_put_byte(f, s->timing);
|
|
qemu_put_be32(f, s->noise);
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|
|
|
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]);
|
|
}
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|
|
|
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;
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|
|
|
s->x = qemu_get_be16(f);
|
|
s->y = qemu_get_be16(f);
|
|
s->pressure = qemu_get_byte(f);
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|
|
|
s->state = qemu_get_byte(f);
|
|
s->page = qemu_get_byte(f);
|
|
s->offset = qemu_get_byte(f);
|
|
s->command = qemu_get_byte(f);
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|
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|
s->irq = qemu_get_byte(f);
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|
qemu_get_be16s(f, &s->dav);
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|
|
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qemu_get_timer(f, s->timer);
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|
s->enabled = qemu_get_byte(f);
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|
s->host_mode = qemu_get_byte(f);
|
|
s->function = qemu_get_byte(f);
|
|
s->nextfunction = qemu_get_byte(f);
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|
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);
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|
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);
|
|
}
|
|
}
|